[netcdf-libcf] 01/06: Imported Upstream version 1.0~alpha4

Bas Couwenberg sebastic at xs4all.nl
Sat Jan 24 18:08:21 UTC 2015


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sebastic-guest pushed a commit to branch master
in repository netcdf-libcf.

commit 3786d9a82b2d7934668b3d32cb9de80c113197a7
Author: Bas Couwenberg <sebastic at xs4all.nl>
Date:   Sat Jan 17 18:52:29 2015 +0100

    Imported Upstream version 1.0~alpha4
---
 COPYRIGHT                                          |    35 +
 Makefile.am                                        |    45 +
 Makefile.in                                        |   704 +
 acinclude.m4                                       |  1170 +
 aclocal.m4                                         |   908 +
 cfcheck/Makefile.am                                |    43 +
 cfcheck/Makefile.in                                |   593 +
 cfcheck/cfcheck.c                                  |    87 +
 cfcheck/tst_cfcheck.sh                             |    21 +
 compile                                            |   142 +
 config.guess                                       |  1526 ++
 config.h.in                                        |   183 +
 config.sub                                         |  1658 ++
 configure                                          | 27024 +++++++++++++++++++
 configure.ac                                       |   256 +
 depcomp                                            |   589 +
 doc/Makefile.am                                    |    43 +
 doc/Makefile.in                                    |   676 +
 doc/defines.texi                                   |    61 +
 doc/libcf.info                                     |  2592 ++
 doc/libcf.pdf                                      |   Bin 0 -> 152955 bytes
 doc/libcf.ps                                       |  3556 +++
 doc/libcf.texi                                     |  2546 ++
 doc/mdate-sh                                       |   201 +
 doc/stamp-vti                                      |     4 +
 doc/texinfo.tex                                    |  7210 +++++
 doc/version.texi                                   |     4 +
 gridspec_tools_20080702/Makefile.am                |     1 +
 gridspec_tools_20080702/Makefile.in                |   506 +
 gridspec_tools_20080702/shared/Makefile.am         |     1 +
 gridspec_tools_20080702/shared/Makefile.in         |   506 +
 gridspec_tools_20080702/shared/mosaic/Makefile.am  |    32 +
 gridspec_tools_20080702/shared/mosaic/Makefile.in  |   484 +
 gridspec_tools_20080702/shared/mosaic/constant.h   |     2 +
 .../shared/mosaic/create_xgrid.c                   |  1106 +
 .../shared/mosaic/create_xgrid.h                   |    43 +
 .../shared/mosaic/gradient_c2l.c                   |   435 +
 .../shared/mosaic/gradient_c2l.h                   |    17 +
 gridspec_tools_20080702/shared/mosaic/interp.c     |   152 +
 gridspec_tools_20080702/shared/mosaic/interp.h     |    14 +
 .../shared/mosaic/mosaic_util.c                    |   531 +
 .../shared/mosaic/mosaic_util.h                    |    34 +
 .../shared/mosaic/read_mosaic.c                    |   656 +
 .../shared/mosaic/read_mosaic.h                    |    15 +
 gridspec_tools_20080702/tools/Makefile.am          |     2 +
 gridspec_tools_20080702/tools/Makefile.in          |   508 +
 gridspec_tools_20080702/tools/fregrid/Makefile.am  |    45 +
 gridspec_tools_20080702/tools/fregrid/Makefile.in  |   537 +
 .../tools/fregrid/bilinear_interp.c                |  1131 +
 .../tools/fregrid/bilinear_interp.h                |    10 +
 .../tools/fregrid/conserve_interp.c                |   689 +
 .../tools/fregrid/conserve_interp.h                |    13 +
 gridspec_tools_20080702/tools/fregrid/fregrid.c    |   668 +
 .../tools/fregrid/fregrid_util.c                   |  1597 ++
 .../tools/fregrid/fregrid_util.h                   |    28 +
 gridspec_tools_20080702/tools/fregrid/globals.h    |   166 +
 gridspec_tools_20080702/tools/fregrid/gs_fregrid.c |   416 +
 .../tools/make_coupler_mosaic/Makefile.am          |    41 +
 .../tools/make_coupler_mosaic/Makefile.in          |   527 +
 .../make_coupler_mosaic/gs_make_coupler_mosaic.c   |   218 +
 .../make_coupler_mosaic/make_coupler_mosaic.c      |  2005 ++
 .../tools/make_hgrid/Makefile.am                   |    45 +
 .../tools/make_hgrid/Makefile.in                   |   540 +
 .../tools/make_hgrid/create_conformal_cubic_grid.c |   814 +
 .../tools/make_hgrid/create_gnomonic_cubic_grid.c  |   907 +
 .../tools/make_hgrid/create_grid_from_file.c       |   152 +
 .../tools/make_hgrid/create_hgrid.h                |    41 +
 .../tools/make_hgrid/create_lonlat_grid.c          |   406 +
 .../tools/make_hgrid/gs_make_hgrid.c               |   340 +
 .../tools/make_hgrid/make_hgrid.c                  |   626 +
 .../tools/make_solo_mosaic/Makefile.am             |    43 +
 .../tools/make_solo_mosaic/Makefile.in             |   532 +
 .../tools/make_solo_mosaic/get_contact.c           |   326 +
 .../tools/make_solo_mosaic/get_contact.h           |    13 +
 .../tools/make_solo_mosaic/gs_make_solo_mosaic.c   |   152 +
 .../tools/make_solo_mosaic/make_solo_mosaic.c      |   287 +
 .../tools/make_topog/Makefile.am                   |    41 +
 .../tools/make_topog/Makefile.in                   |   524 +
 .../tools/make_topog/make_topog.c                  |   511 +
 gridspec_tools_20080702/tools/make_topog/topog.c   |   542 +
 gridspec_tools_20080702/tools/make_topog/topog.h   |    14 +
 .../tools/make_vgrid/Makefile.am                   |    41 +
 .../tools/make_vgrid/Makefile.in                   |   526 +
 .../tools/make_vgrid/create_vgrid.c                |    43 +
 .../tools/make_vgrid/create_vgrid.h                |    11 +
 .../tools/make_vgrid/gs_make_vgrid.c               |   133 +
 .../tools/make_vgrid/make_vgrid.c                  |   162 +
 .../tools/river_regrid/Makefile.am                 |    41 +
 .../tools/river_regrid/Makefile.in                 |   524 +
 .../tools/river_regrid/gs_river_regrid.c           |   119 +
 .../tools/river_regrid/river_regrid.c              |  1484 +
 gridspec_tools_20080702/tools/shared/Makefile.am   |    39 +
 gridspec_tools_20080702/tools/shared/Makefile.in   |   504 +
 .../tools/shared/bilinear_interp.c                 |  1131 +
 .../tools/shared/conserve_interp.c                 |   689 +
 .../tools/shared/create_conformal_cubic_grid.c     |   814 +
 .../tools/shared/create_gnomonic_cubic_grid.c      |   907 +
 .../tools/shared/create_grid_from_file.c           |   152 +
 .../tools/shared/create_lonlat_grid.c              |   406 +
 .../tools/shared/create_vgrid.c                    |    43 +
 .../tools/shared/fregrid_util.c                    |  1597 ++
 gridspec_tools_20080702/tools/shared/get_contact.c |   326 +
 gridspec_tools_20080702/tools/shared/mpp.c         |   230 +
 gridspec_tools_20080702/tools/shared/mpp.h         |    24 +
 gridspec_tools_20080702/tools/shared/mpp_domain.c  |   534 +
 gridspec_tools_20080702/tools/shared/mpp_domain.h  |    50 +
 gridspec_tools_20080702/tools/shared/mpp_io.c      |   875 +
 gridspec_tools_20080702/tools/shared/mpp_io.h      |    44 +
 gridspec_tools_20080702/tools/shared/tool_util.c   |  5969 ++++
 gridspec_tools_20080702/tools/shared/tool_util.h   |    69 +
 gridspec_tools_20080702/tools/shared/topog.c       |   542 +
 .../tools/shared/transfer_to_mosaic.c              |  1278 +
 .../tools/transfer_to_mosaic_grid/Makefile.am      |    39 +
 .../tools/transfer_to_mosaic_grid/Makefile.in      |   523 +
 .../gs_transfer_to_mosaic.c                        |    73 +
 .../transfer_to_mosaic_grid/transfer_to_mosaic.c   |  1278 +
 install-sh                                         |   519 +
 ltmain.sh                                          |  7874 ++++++
 m4/libtool.m4                                      |  7309 +++++
 m4/ltoptions.m4                                    |   368 +
 m4/ltsugar.m4                                      |   123 +
 m4/ltversion.m4                                    |    23 +
 m4/lt~obsolete.m4                                  |    92 +
 missing                                            |   367 +
 nfconfig.in                                        |    83 +
 src/Makefile.am                                    |    99 +
 src/Makefile.in                                    |   793 +
 src/cdTimeConv.c                                   |  1082 +
 src/cddrs.h                                        |   154 +
 src/cdms.h                                         |   317 +
 src/cdmsint.h                                      |   591 +
 src/cdunif.h                                       |   178 +
 src/cfcvars.c                                      |  1550 ++
 src/cferror.c                                      |    80 +
 src/cferror.h                                      |    37 +
 src/cffcvars.f90                                   |    85 +
 src/cffiles.c                                      |   357 +
 src/cfsubsets.c                                    |   265 +
 src/cfvars.c                                       |   321 +
 src/drscdf.h                                       |   275 +
 src/libcf.h                                        |   509 +
 src/libcf_int.h                                    |    23 +
 src/nc_tests.h                                     |    71 +
 src/nccoord.c                                      |   379 +
 src/tst_coords.c                                   |   447 +
 src/tst_cvars.c                                    |    66 +
 src/tst_example_data.c                             |    50 +
 src/tst_f03_file.f90                               |    33 +
 src/tst_files.c                                    |   165 +
 src/tst_subsets.c                                  |   623 +
 src/tst_vars.c                                     |   120 +
 src/tst_vert.c                                     |   283 +
 152 files changed, 118800 insertions(+)

diff --git a/COPYRIGHT b/COPYRIGHT
new file mode 100644
index 0000000..da081ff
--- /dev/null
+++ b/COPYRIGHT
@@ -0,0 +1,35 @@
+Copyright 1993-2004 University Corporation for Atmospheric Research/Unidata
+
+Portions of this software were developed by the Unidata Program at the 
+University Corporation for Atmospheric Research.
+
+Access and use of this software shall impose the following obligations
+and understandings on the user. The user is granted the right, without
+any fee or cost, to use, copy, modify, alter, enhance and distribute
+this software, and any derivative works thereof, and its supporting
+documentation for any purpose whatsoever, provided that this entire
+notice appears in all copies of the software, derivative works and
+supporting documentation.  Further, UCAR requests that the user credit
+UCAR/Unidata in any publications that result from the use of this
+software or in any product that includes this software, although this
+is not an obligation. The names UCAR and/or Unidata, however, may not
+be used in any advertising or publicity to endorse or promote any
+products or commercial entity unless specific written permission is
+obtained from UCAR/Unidata. The user also understands that
+UCAR/Unidata is not obligated to provide the user with any support,
+consulting, training or assistance of any kind with regard to the use,
+operation and performance of this software nor to provide the user
+with any updates, revisions, new versions or "bug fixes."
+
+THIS SOFTWARE IS PROVIDED BY UCAR/UNIDATA "AS IS" AND ANY EXPRESS OR
+IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL UCAR/UNIDATA BE LIABLE FOR ANY SPECIAL,
+INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
+FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
+WITH THE ACCESS, USE OR PERFORMANCE OF THIS SOFTWARE.
+
+
+
+
diff --git a/Makefile.am b/Makefile.am
new file mode 100644
index 0000000..f60e0b4
--- /dev/null
+++ b/Makefile.am
@@ -0,0 +1,45 @@
+## This is a automake file, part of Unidata's NetCDF CF Library package.
+# Copyright 2006, see the COPYRIGHT file for more information.
+
+# This is the main automake file for the NetCDF CF Library. 
+
+# $Id: Makefile.am,v 1.9 2009/04/12 14:18:13 ed Exp $
+
+# These files get added to the distribution.
+EXTRA_DIST = COPYRIGHT
+
+ACLOCAL_AMFLAGS = -I m4
+
+# Does the user want to build cfcheck?
+if BUILD_CFCHECK
+CFCHECK = cfcheck
+endif
+
+# Does the user want to build the docs?
+if BUILD_DOCS
+DOC = doc
+endif
+
+# Does the user want to build the gridspec?
+if BUILD_GRIDSPEC
+GRIDSPEC = gridspec_tools_20080702
+endif
+
+SUBDIRS = $(GRIDSPEC) src $(CFCHECK) $(DOC) 
+
+check_install: check install
+
+# What needs to go in the binrary dist?
+BINFILES = README_BINARIES.txt include/libcf.h lib/libcf.a
+
+# At Unidata, package up binaries.
+ftpbin: install
+	echo "Getting binaries from ${prefix}"
+	ls ${prefix}
+	echo "These are the binaries for libCF @PACKAGE_VERSION at ." > ${prefix}/README_BINARIES.txt
+	echo "For this build: CC=$(CC) CXX=$(CXX) FC=$(FC) F77=$(F77) $F90=$(F90)" >> ${prefix}/README_BINARIES.txt
+	echo "CFLAGS=$(CFLAGS) CXXFLAGS=$(CXXFLAGS)" >> ${prefix}/README_BINARIES.txt
+	echo "FCFLAGS=$(FCFLAGS) F77FLAGS=$(F77FLAGS) $F90FLAGS=$(F90FLAGS)" >> ${prefix}/README_BINARIES.txt
+	tar cf binary-libcf- at PACKAGE_VERSION@.tar -C ${prefix} ${BINFILES}
+	gzip -f binary-libcf- at PACKAGE_VERSION@.tar
+
diff --git a/Makefile.in b/Makefile.in
new file mode 100644
index 0000000..9e2bb04
--- /dev/null
+++ b/Makefile.in
@@ -0,0 +1,704 @@
+# Makefile.in generated by automake 1.10.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+ at SET_MAKE@
+
+# Copyright 2006, see the COPYRIGHT file for more information.
+
+# This is the main automake file for the NetCDF CF Library. 
+
+# $Id: Makefile.am,v 1.9 2009/04/12 14:18:13 ed Exp $
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+docdir = @docdir@
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+host_alias = @host_alias@
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+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+
+# These files get added to the distribution.
+EXTRA_DIST = COPYRIGHT
+ACLOCAL_AMFLAGS = -I m4
+
+# Does the user want to build cfcheck?
+ at BUILD_CFCHECK_TRUE@CFCHECK = cfcheck
+
+# Does the user want to build the docs?
+ at BUILD_DOCS_TRUE@DOC = doc
+
+# Does the user want to build the gridspec?
+ at BUILD_GRIDSPEC_TRUE@GRIDSPEC = gridspec_tools_20080702
+SUBDIRS = $(GRIDSPEC) src $(CFCHECK) $(DOC) 
+
+# What needs to go in the binrary dist?
+BINFILES = README_BINARIES.txt include/libcf.h lib/libcf.a
+all: config.h nfconfig.inc
+	$(MAKE) $(AM_MAKEFLAGS) all-recursive
+
+.SUFFIXES:
+am--refresh:
+	@:
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+		&& exit 0; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign  Makefile'; \
+	cd $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign  Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
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+	else :; fi
+
+stamp-h1: $(srcdir)/config.h.in $(top_builddir)/config.status
+	@rm -f stamp-h1
+	cd $(top_builddir) && $(SHELL) ./config.status config.h
+$(srcdir)/config.h.in:  $(am__configure_deps) 
+	cd $(top_srcdir) && $(AUTOHEADER)
+	rm -f stamp-h1
+	touch $@
+
+nfconfig.inc: stamp-h2
+	@if test ! -f $@; then \
+	  rm -f stamp-h2; \
+	  $(MAKE) $(AM_MAKEFLAGS) stamp-h2; \
+	else :; fi
+
+stamp-h2: $(srcdir)/nfconfig.in $(top_builddir)/config.status
+	@rm -f stamp-h2
+	cd $(top_builddir) && $(SHELL) ./config.status nfconfig.inc
+
+distclean-hdr:
+	-rm -f config.h stamp-h1 nfconfig.inc stamp-h2
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+distclean-libtool:
+	-rm -f libtool
+
+# This directory's subdirectories are mostly independent; you can cd
+# into them and run `make' without going through this Makefile.
+# To change the values of `make' variables: instead of editing Makefiles,
+# (1) if the variable is set in `config.status', edit `config.status'
+#     (which will cause the Makefiles to be regenerated when you run `make');
+# (2) otherwise, pass the desired values on the `make' command line.
+$(RECURSIVE_TARGETS):
+	@failcom='exit 1'; \
+	for f in x $$MAKEFLAGS; do \
+	  case $$f in \
+	    *=* | --[!k]*);; \
+	    *k*) failcom='fail=yes';; \
+	  esac; \
+	done; \
+	dot_seen=no; \
+	target=`echo $@ | sed s/-recursive//`; \
+	list='$(SUBDIRS)'; for subdir in $$list; do \
+	  echo "Making $$target in $$subdir"; \
+	  if test "$$subdir" = "."; then \
+	    dot_seen=yes; \
+	    local_target="$$target-am"; \
+	  else \
+	    local_target="$$target"; \
+	  fi; \
+	  (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) $$local_target) \
+	  || eval $$failcom; \
+	done; \
+	if test "$$dot_seen" = "no"; then \
+	  $(MAKE) $(AM_MAKEFLAGS) "$$target-am" || exit 1; \
+	fi; test -z "$$fail"
+
+$(RECURSIVE_CLEAN_TARGETS):
+	@failcom='exit 1'; \
+	for f in x $$MAKEFLAGS; do \
+	  case $$f in \
+	    *=* | --[!k]*);; \
+	    *k*) failcom='fail=yes';; \
+	  esac; \
+	done; \
+	dot_seen=no; \
+	case "$@" in \
+	  distclean-* | maintainer-clean-*) list='$(DIST_SUBDIRS)' ;; \
+	  *) list='$(SUBDIRS)' ;; \
+	esac; \
+	rev=''; for subdir in $$list; do \
+	  if test "$$subdir" = "."; then :; else \
+	    rev="$$subdir $$rev"; \
+	  fi; \
+	done; \
+	rev="$$rev ."; \
+	target=`echo $@ | sed s/-recursive//`; \
+	for subdir in $$rev; do \
+	  echo "Making $$target in $$subdir"; \
+	  if test "$$subdir" = "."; then \
+	    local_target="$$target-am"; \
+	  else \
+	    local_target="$$target"; \
+	  fi; \
+	  (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) $$local_target) \
+	  || eval $$failcom; \
+	done && test -z "$$fail"
+tags-recursive:
+	list='$(SUBDIRS)'; for subdir in $$list; do \
+	  test "$$subdir" = . || (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) tags); \
+	done
+ctags-recursive:
+	list='$(SUBDIRS)'; for subdir in $$list; do \
+	  test "$$subdir" = . || (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) ctags); \
+	done
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+	list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonemtpy = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	mkid -fID $$unique
+tags: TAGS
+
+TAGS: tags-recursive $(HEADERS) $(SOURCES) config.h.in nfconfig.in $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	tags=; \
+	here=`pwd`; \
+	if ($(ETAGS) --etags-include --version) >/dev/null 2>&1; then \
+	  include_option=--etags-include; \
+	  empty_fix=.; \
+	else \
+	  include_option=--include; \
+	  empty_fix=; \
+	fi; \
+	list='$(SUBDIRS)'; for subdir in $$list; do \
+	  if test "$$subdir" = .; then :; else \
+	    test ! -f $$subdir/TAGS || \
+	      tags="$$tags $$include_option=$$here/$$subdir/TAGS"; \
+	  fi; \
+	done; \
+	list='$(SOURCES) $(HEADERS) config.h.in nfconfig.in $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	if test -z "$(ETAGS_ARGS)$$tags$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	    $$tags $$unique; \
+	fi
+ctags: CTAGS
+CTAGS: ctags-recursive $(HEADERS) $(SOURCES) config.h.in nfconfig.in $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	tags=; \
+	list='$(SOURCES) $(HEADERS) config.h.in nfconfig.in $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	test -z "$(CTAGS_ARGS)$$tags$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$tags $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && cd $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) $$here
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+	$(am__remove_distdir)
+	test -d $(distdir) || mkdir $(distdir)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -pR $(srcdir)/$$file $(distdir)$$dir || exit 1; \
+	    fi; \
+	    cp -pR $$d/$$file $(distdir)$$dir || exit 1; \
+	  else \
+	    test -f $(distdir)/$$file \
+	    || cp -p $$d/$$file $(distdir)/$$file \
+	    || exit 1; \
+	  fi; \
+	done
+	list='$(DIST_SUBDIRS)'; for subdir in $$list; do \
+	  if test "$$subdir" = .; then :; else \
+	    test -d "$(distdir)/$$subdir" \
+	    || $(MKDIR_P) "$(distdir)/$$subdir" \
+	    || exit 1; \
+	    distdir=`$(am__cd) $(distdir) && pwd`; \
+	    top_distdir=`$(am__cd) $(top_distdir) && pwd`; \
+	    (cd $$subdir && \
+	      $(MAKE) $(AM_MAKEFLAGS) \
+	        top_distdir="$$top_distdir" \
+	        distdir="$$distdir/$$subdir" \
+		am__remove_distdir=: \
+		am__skip_length_check=: \
+	        distdir) \
+	      || exit 1; \
+	  fi; \
+	done
+	-find $(distdir) -type d ! -perm -777 -exec chmod a+rwx {} \; -o \
+	  ! -type d ! -perm -444 -links 1 -exec chmod a+r {} \; -o \
+	  ! -type d ! -perm -400 -exec chmod a+r {} \; -o \
+	  ! -type d ! -perm -444 -exec $(install_sh) -c -m a+r {} {} \; \
+	|| chmod -R a+r $(distdir)
+dist-gzip: distdir
+	tardir=$(distdir) && $(am__tar) | GZIP=$(GZIP_ENV) gzip -c >$(distdir).tar.gz
+	$(am__remove_distdir)
+dist-bzip2: distdir
+	tardir=$(distdir) && $(am__tar) | bzip2 -9 -c >$(distdir).tar.bz2
+	$(am__remove_distdir)
+
+dist-lzma: distdir
+	tardir=$(distdir) && $(am__tar) | lzma -9 -c >$(distdir).tar.lzma
+	$(am__remove_distdir)
+dist-tarZ: distdir
+	tardir=$(distdir) && $(am__tar) | compress -c >$(distdir).tar.Z
+	$(am__remove_distdir)
+
+dist-shar: distdir
+	shar $(distdir) | GZIP=$(GZIP_ENV) gzip -c >$(distdir).shar.gz
+	$(am__remove_distdir)
+dist-zip: distdir
+	-rm -f $(distdir).zip
+	zip -rq $(distdir).zip $(distdir)
+	$(am__remove_distdir)
+
+dist dist-all: distdir
+	tardir=$(distdir) && $(am__tar) | GZIP=$(GZIP_ENV) gzip -c >$(distdir).tar.gz
+	tardir=$(distdir) && $(am__tar) | bzip2 -9 -c >$(distdir).tar.bz2
+	tardir=$(distdir) && $(am__tar) | compress -c >$(distdir).tar.Z
+	-rm -f $(distdir).zip
+	zip -rq $(distdir).zip $(distdir)
+	$(am__remove_distdir)
+
+# This target untars the dist file and tries a VPATH configuration.  Then
+# it guarantees that the distribution is self-contained by making another
+# tarfile.
+distcheck: dist
+	case '$(DIST_ARCHIVES)' in \
+	*.tar.gz*) \
+	  GZIP=$(GZIP_ENV) gunzip -c $(distdir).tar.gz | $(am__untar) ;;\
+	*.tar.bz2*) \
+	  bunzip2 -c $(distdir).tar.bz2 | $(am__untar) ;;\
+	*.tar.lzma*) \
+	  unlzma -c $(distdir).tar.lzma | $(am__untar) ;;\
+	*.tar.Z*) \
+	  uncompress -c $(distdir).tar.Z | $(am__untar) ;;\
+	*.shar.gz*) \
+	  GZIP=$(GZIP_ENV) gunzip -c $(distdir).shar.gz | unshar ;;\
+	*.zip*) \
+	  unzip $(distdir).zip ;;\
+	esac
+	chmod -R a-w $(distdir); chmod a+w $(distdir)
+	mkdir $(distdir)/_build
+	mkdir $(distdir)/_inst
+	chmod a-w $(distdir)
+	dc_install_base=`$(am__cd) $(distdir)/_inst && pwd | sed -e 's,^[^:\\/]:[\\/],/,'` \
+	  && dc_destdir="$${TMPDIR-/tmp}/am-dc-$$$$/" \
+	  && cd $(distdir)/_build \
+	  && ../configure --srcdir=.. --prefix="$$dc_install_base" \
+	    $(DISTCHECK_CONFIGURE_FLAGS) \
+	  && $(MAKE) $(AM_MAKEFLAGS) \
+	  && $(MAKE) $(AM_MAKEFLAGS) dvi \
+	  && $(MAKE) $(AM_MAKEFLAGS) check \
+	  && $(MAKE) $(AM_MAKEFLAGS) install \
+	  && $(MAKE) $(AM_MAKEFLAGS) installcheck \
+	  && $(MAKE) $(AM_MAKEFLAGS) uninstall \
+	  && $(MAKE) $(AM_MAKEFLAGS) distuninstallcheck_dir="$$dc_install_base" \
+	        distuninstallcheck \
+	  && chmod -R a-w "$$dc_install_base" \
+	  && ({ \
+	       (cd ../.. && umask 077 && mkdir "$$dc_destdir") \
+	       && $(MAKE) $(AM_MAKEFLAGS) DESTDIR="$$dc_destdir" install \
+	       && $(MAKE) $(AM_MAKEFLAGS) DESTDIR="$$dc_destdir" uninstall \
+	       && $(MAKE) $(AM_MAKEFLAGS) DESTDIR="$$dc_destdir" \
+	            distuninstallcheck_dir="$$dc_destdir" distuninstallcheck; \
+	      } || { rm -rf "$$dc_destdir"; exit 1; }) \
+	  && rm -rf "$$dc_destdir" \
+	  && $(MAKE) $(AM_MAKEFLAGS) dist \
+	  && rm -rf $(DIST_ARCHIVES) \
+	  && $(MAKE) $(AM_MAKEFLAGS) distcleancheck
+	$(am__remove_distdir)
+	@(echo "$(distdir) archives ready for distribution: "; \
+	  list='$(DIST_ARCHIVES)'; for i in $$list; do echo $$i; done) | \
+	  sed -e 1h -e 1s/./=/g -e 1p -e 1x -e '$$p' -e '$$x'
+distuninstallcheck:
+	@cd $(distuninstallcheck_dir) \
+	&& test `$(distuninstallcheck_listfiles) | wc -l` -le 1 \
+	   || { echo "ERROR: files left after uninstall:" ; \
+	        if test -n "$(DESTDIR)"; then \
+	          echo "  (check DESTDIR support)"; \
+	        fi ; \
+	        $(distuninstallcheck_listfiles) ; \
+	        exit 1; } >&2
+distcleancheck: distclean
+	@if test '$(srcdir)' = . ; then \
+	  echo "ERROR: distcleancheck can only run from a VPATH build" ; \
+	  exit 1 ; \
+	fi
+	@test `$(distcleancheck_listfiles) | wc -l` -eq 0 \
+	  || { echo "ERROR: files left in build directory after distclean:" ; \
+	       $(distcleancheck_listfiles) ; \
+	       exit 1; } >&2
+check-am: all-am
+check: check-recursive
+all-am: Makefile config.h nfconfig.inc
+installdirs: installdirs-recursive
+installdirs-am:
+install: install-recursive
+install-exec: install-exec-recursive
+install-data: install-data-recursive
+uninstall: uninstall-recursive
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-recursive
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-recursive
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-recursive
+	-rm -f $(am__CONFIG_DISTCLEAN_FILES)
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic distclean-hdr \
+	distclean-libtool distclean-tags
+
+dvi: dvi-recursive
+
+dvi-am:
+
+html: html-recursive
+
+info: info-recursive
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-recursive
+
+install-exec-am:
+
+install-html: install-html-recursive
+
+install-info: install-info-recursive
+
+install-man:
+
+install-pdf: install-pdf-recursive
+
+install-ps: install-ps-recursive
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-recursive
+	-rm -f $(am__CONFIG_DISTCLEAN_FILES)
+	-rm -rf $(top_srcdir)/autom4te.cache
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-recursive
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-recursive
+
+pdf-am:
+
+ps: ps-recursive
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) install-am \
+	install-strip
+
+.PHONY: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) CTAGS GTAGS \
+	all all-am am--refresh check check-am clean clean-generic \
+	clean-libtool ctags ctags-recursive dist dist-all dist-bzip2 \
+	dist-gzip dist-lzma dist-shar dist-tarZ dist-zip distcheck \
+	distclean distclean-generic distclean-hdr distclean-libtool \
+	distclean-tags distcleancheck distdir distuninstallcheck dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man install-pdf \
+	install-pdf-am install-ps install-ps-am install-strip \
+	installcheck installcheck-am installdirs installdirs-am \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-recursive uninstall uninstall-am
+
+
+check_install: check install
+
+# At Unidata, package up binaries.
+ftpbin: install
+	echo "Getting binaries from ${prefix}"
+	ls ${prefix}
+	echo "These are the binaries for libCF @PACKAGE_VERSION at ." > ${prefix}/README_BINARIES.txt
+	echo "For this build: CC=$(CC) CXX=$(CXX) FC=$(FC) F77=$(F77) $F90=$(F90)" >> ${prefix}/README_BINARIES.txt
+	echo "CFLAGS=$(CFLAGS) CXXFLAGS=$(CXXFLAGS)" >> ${prefix}/README_BINARIES.txt
+	echo "FCFLAGS=$(FCFLAGS) F77FLAGS=$(F77FLAGS) $F90FLAGS=$(F90FLAGS)" >> ${prefix}/README_BINARIES.txt
+	tar cf binary-libcf- at PACKAGE_VERSION@.tar -C ${prefix} ${BINFILES}
+	gzip -f binary-libcf- at PACKAGE_VERSION@.tar
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/acinclude.m4 b/acinclude.m4
new file mode 100644
index 0000000..2d8d3af
--- /dev/null
+++ b/acinclude.m4
@@ -0,0 +1,1170 @@
+dnl $Id: acinclude.m4,v 1.1.1.1 2006/07/15 15:34:55 ed Exp $
+dnl UD macros for netcdf configure
+
+
+dnl Convert a string to all uppercase.
+dnl
+define([uppercase],
+[translit($1, abcdefghijklmnopqrstuvwxyz, ABCDEFGHIJKLMNOPQRSTUVWXYZ)])
+
+dnl
+dnl Check for an m4(1) preprocessor utility.
+dnl
+AC_DEFUN([UD_PROG_M4],
+[
+    case "${M4-unset}" in
+	unset) AC_CHECK_PROGS(M4, m4 gm4, m4) ;;
+	*) AC_CHECK_PROGS(M4, $M4 m4 gm4, m4) ;;
+    esac
+    AC_MSG_CHECKING(m4 flags)
+    case "${M4FLAGS-unset}" in
+	unset) M4FLAGS=-B10000 ;;
+    esac
+    AC_MSG_RESULT($M4FLAGS)
+    AC_SUBST(M4FLAGS)
+])
+
+dnl
+dnl Check for an ar(1) utility.
+dnl
+AC_DEFUN([UD_PROG_AR],
+[
+    case "${AR-unset}" in
+	unset) AC_CHECK_PROGS(AR, ar, ar) ;;
+	*) AC_CHECK_PROGS(AR, $AR ar, ar) ;;
+    esac
+    AC_MSG_CHECKING(ar flags)
+    case "${ARFLAGS-unset}" in
+	unset) ARFLAGS=cru ;;
+    esac
+    AC_MSG_RESULT($ARFLAGS)
+    AC_SUBST(ARFLAGS)
+])
+
+dnl
+dnl Check for an nm(1) utility.
+dnl
+AC_DEFUN([UD_PROG_NM],
+[
+    case "${NM-unset}" in
+	unset) AC_CHECK_PROGS(NM, nm, nm) ;;
+	*) AC_CHECK_PROGS(NM, $NM nm, nm) ;;
+    esac
+    AC_MSG_CHECKING(nm flags)
+    case "${NMFLAGS-unset}" in
+	unset) NMFLAGS= ;;
+    esac
+    AC_MSG_RESULT($NMFLAGS)
+    AC_SUBST(NMFLAGS)
+])
+
+dnl
+dnl Set the top-level source-directory.
+dnl
+AC_DEFUN([UD_SRCDIR],
+[
+    AC_MSG_CHECKING(for top-level source-directory)
+    SRCDIR=`(cd $srcdir && pwd)`
+    AC_MSG_RESULT($SRCDIR)
+    AC_SUBST(SRCDIR)
+])
+
+dnl
+dnl Check for a Standard C compiler.  Prefer a native one over the
+dnl GNU one to reduce the chance that the environment variable LIBS
+dnl will have to be set to reference the GNU C runtime library.
+dnl
+AC_DEFUN([UD_PROG_CC],
+[
+    # Because we must have a C compiler, we treat an unset CC
+    # the same as an empty CC.
+    case "${CC}" in
+	'')
+	    case `uname` in
+		ULTRIX)
+		    # The native ULTRIX C compiler isn't standard.
+		    ccs='gcc cc'
+		    ;;
+		*)
+		    # xlc is before c89 because AIX's sizeof(long long)
+		    # differs between the two.
+		    #
+		    ccs='xlc c89 acc cc gcc'
+		    ;;
+	    esac
+	    for cc in $ccs; do
+		AC_CHECK_PROG(CC, $cc, $cc)
+		case "$CC" in
+		    '') ;;
+		    *)  break
+			;;
+		esac
+	    done
+	    case "${CC}" in
+		'')
+		    AC_MSG_ERROR("Could not find C compiler")
+		    ;;
+	    esac
+	    ;;
+    esac
+    #
+    # On some systems, a discovered compiler nevertheless won't
+    # work (due to licensing, for example); thus, we check the
+    # compiler with a test program.
+    # 
+    AC_MSG_CHECKING(C compiler \"$CC\")
+    AC_TRY_COMPILE(, ,
+	AC_MSG_RESULT(works),
+	AC_MSG_RESULT(failed to compile test program))
+    AC_SUBST(CC)
+    case "$CC" in
+	*gcc*)
+	    GCC=yes		# Expected by autoconf(1) macros
+	    ;;
+    esac
+    case `uname -sr` in
+	'HP-UX A.09'*)
+	    AC_DEFINE([_HPUX_SOURCE], [], [building on HPUX system])
+	    ;;
+    esac
+])
+
+dnl
+dnl Check for a C++ compiler.  Prefer a native one over the
+dnl GNU one to reduce the chance that the environment variable LIBS
+dnl will have to be set to reference the GNU C runtime library.
+dnl
+AC_DEFUN([UD_PROG_CXX],
+[
+    case "${CXX-unset}" in
+	unset)
+	    case `uname` in
+		AIX)
+		    preferred_cxx='xlC'
+		    ;;
+	    esac
+	    possible_cxxs="${preferred_cxx} CC cxx c++ g++ gcc"
+	    ;;
+	'') AC_MSG_WARN("Empty CXX variable")
+	    possible_cxxs=
+	    ;;
+	*)  possible_cxxs=$CXX
+	    ;;
+    esac
+    case "${possible_cxxs}" in
+	'') CXX=
+	    ;;
+	*)  AC_LANG_SAVE()
+	    AC_LANG_CPLUSPLUS()
+	    for cxx in $possible_cxxs; do
+		AC_CHECK_PROG(CXX, $cxx, $cxx)
+		case "$CXX" in
+		    '') ;;
+		    *)  # On some systems, a discovered compiler nevertheless
+                        # won't work (because it's a script to a non-existant
+                        # executable, for example); thus, we check the compiler
+                        # with a test program.  We also test for "iostream" and
+                        # the standard C++ library because we need these to
+                        # work.
+			# 
+			AC_MSG_CHECKING(C++ compiler \"$CXX\")
+			AC_TRY_RUN(
+ 			    [
+				#include <iostream>
+				int main() {
+				    std::cout << "";
+				    return 0;
+				}
+			    ],
+			    [
+				AC_MSG_RESULT(works)
+				break
+			    ],
+			    [
+				AC_MSG_WARN($CXX failed on standard C++ test program)
+				CXX=
+				unset ac_cv_prog_CXX
+			    ])
+			;;
+		esac
+	    done
+	    AC_LANG_RESTORE()
+	    case "${CXX}" in
+		'') AC_MSG_WARN("Could not find working C++ compiler")
+		    AC_MSG_WARN(Setting CXX to the empty string)
+		    ;;
+	    esac
+	    ;;
+    esac
+    case "${CXX}" in
+	'') AC_MSG_WARN(The C++ interface will not be built)
+	    ;;
+    esac
+    AC_SUBST(CXX)
+    case `uname` in
+	'HP-UX A.09'*)
+	    AC_DEFINE([_HPUX_SOURCE], [], [building on HPUX system])
+	    ;;
+    esac
+])
+
+
+dnl
+dnl like AC_LONG_DOUBLE, except checks for 'long long'
+dnl
+AC_DEFUN([UD_C_LONG_LONG],
+[AC_MSG_CHECKING(for long long)
+AC_CACHE_VAL(ac_cv_c_long_long,
+[if test "$GCC" = yes; then
+  ac_cv_c_long_long=yes
+else
+AC_TRY_RUN([int main() {
+long long foo = 0;
+exit(sizeof(long long) < sizeof(long)); }],
+ac_cv_c_long_long=yes, ac_cv_c_long_long=no, :)
+fi])dnl
+AC_MSG_RESULT($ac_cv_c_long_long)
+if test $ac_cv_c_long_long = yes; then
+  AC_DEFINE([HAVE_LONG_LONG], [], [have long long type])
+fi
+])
+
+dnl UD_CHECK_SIZEOF(TYPE)
+AC_DEFUN([UD_CHECK_SIZEOF],
+[changequote(<<, >>)dnl
+dnl The name to #define.
+define(<<AC_TYPE_NAME>>, translit(sizeof_$1, [a-z *], [A-Z_P]))dnl
+dnl The cache variable name.
+define(<<AC_CV_NAME>>, translit(ac_cv_sizeof_$1, [ *], [_p]))dnl
+changequote([, ])dnl
+AC_MSG_CHECKING(size of $1)
+AC_CACHE_VAL(AC_CV_NAME,
+[AC_TRY_RUN([#include <stdio.h>
+#include <sys/types.h>
+#if STDC_HEADERS
+#include <stdlib.h>
+#endif
+main()
+{
+  FILE *f=fopen("conftestval", "w");
+  if (!f) exit(1);
+  fprintf(f, "%d\n", sizeof($1));
+  exit(0);
+}], AC_CV_NAME=`cat conftestval`, AC_CV_NAME=0, AC_CV_NAME=0)])dnl
+AC_MSG_RESULT($AC_CV_NAME)
+AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME, [type size])
+undefine([AC_TYPE_NAME])dnl
+undefine([AC_CV_NAME])dnl
+])
+
+
+dnl 
+dnl UD_CHECK_IEEE
+dnl If the 'double' is not an IEEE double
+dnl or the 'float' is not and IEEE single,
+dnl define NO_IEEE_FLOAT
+dnl
+AC_DEFUN([UD_CHECK_IEEE],
+[
+AC_MSG_CHECKING(for IEEE floating point format)
+AC_TRY_RUN([#ifndef NO_FLOAT_H
+#include <float.h>
+#endif
+
+#define EXIT_NOTIEEE	1
+#define EXIT_MAYBEIEEE	0
+
+int
+main()
+{
+#if	defined(FLT_RADIX)	&& FLT_RADIX != 2
+		return EXIT_NOTIEEE;
+#elif	defined(DBL_MAX_EXP)	&& DBL_MAX_EXP != 1024
+		return EXIT_NOTIEEE;
+#elif	defined(DBL_MANT_DIG)	&& DBL_MANT_DIG != 53
+		return EXIT_NOTIEEE;
+#elif 	defined(FLT_MAX_EXP)	&& !(FLT_MAX_EXP == 1024 || FLT_MAX_EXP == 128)
+		return EXIT_NOTIEEE;
+#elif	defined(FLT_MANT_DIG)	&& !(FLT_MANT_DIG == 53 || FLT_MANT_DIG == 24)
+		return EXIT_NOTIEEE;
+#else
+	/* (assuming eight bit char) */
+	if(sizeof(double) != 8)
+		return EXIT_NOTIEEE;
+	if(!(sizeof(float) == 4 || sizeof(float) == 8))
+		return EXIT_NOTIEEE;
+
+	return EXIT_MAYBEIEEE;
+#endif
+}],ac_cv_c_ieeefloat=yes, ac_cv_c_ieeefloat=no, :)
+AC_MSG_RESULT($ac_cv_c_ieeefloat)
+if test $ac_cv_c_ieeefloat = no; then
+  AC_DEFINE([NO_IEEE_FLOAT], [], [no IEEE float on this platform])
+fi
+])
+
+dnl Check for utility for generating makefile dependencies.
+dnl Should only be used at the UPC.
+dnl
+AC_DEFUN([UD_PROG_CC_MAKEDEPEND],
+[
+    AC_MSG_CHECKING(how to make dependencies)
+    case `uname -s` in
+	IRIX*|OSF1)
+	    CC_MAKEDEPEND='cc -M'
+	    ;;
+	SunOS)
+	    case `uname -r` in
+		4*)
+		    CC_MAKEDEPEND='cc -M'
+		    ;;
+		5*|*)
+		    CC_MAKEDEPEND='cc -xM'
+		    ;;
+	    esac
+	    ;;
+	ULTRIX)
+	    case `uname -m` in
+		RISC)
+		    CC_MAKEDEPEND='cc -M'
+		    ;;
+		VAX)	# Can't handle prototypes in netcdf.h
+		    ;;
+	    esac
+	    ;;
+	AIX)	# Writes to .u files rather than standard out
+	    ;;
+	HP-UX)	# Writes escaped newlines to standard error
+	    ;;
+    esac
+    case "${CC_MAKEDEPEND}" in
+	'')
+	    CC_MAKEDEPEND=false
+	    ;;
+    esac
+    AC_MSG_RESULT($CC_MAKEDEPEND)
+    AC_SUBST(CC_MAKEDEPEND)
+])
+
+
+dnl Check for Fortran-90 compiler.
+dnl
+AC_DEFUN([UD_PROG_F90],
+[
+    case "${F90+set}" in
+	set)
+	    AC_MSG_CHECKING(user-defined Fortran-90 compiler \"$F90\")
+	    cat <<EOF >conftest.f90
+		subroutine foo(bar)
+		integer, intent(in) :: bar
+		end subroutine foo
+EOF
+	    doit='$F90 -c ${F90FLAGS} conftest.f90'
+	    if AC_TRY_EVAL(doit); then
+		AC_MSG_RESULT(works)
+	    else
+		AC_MSG_RESULT(failed to compile test program)
+		unset F90
+	    fi
+	    rm -f conftest.*
+	    ;;
+	*)
+	    case "${FC+set}" in
+		set)
+		    F90=$FC
+		    FFLAGS="${FCFLAGS-}"
+		    F90FLAGS="${F90FLAGS-${FFLAGS-}}"
+		    F90LIBS="${F90LIBS-${FLIBS}}"
+		    cat <<EOF >conftest.f90
+			program foo
+			call bar(1)
+			end program foo
+			subroutine bar(bof)
+			integer, intent(in) :: bof
+			end subroutine bar
+EOF
+		    AC_MSG_CHECKING(\"$F90\" as Fortran-90 compiler)
+		    doit='$F90 -o conftest ${F90FLAGS} conftest.f90 ${F90LIBS}'
+		    if AC_TRY_EVAL(doit); then
+			doit=./conftest
+			if AC_TRY_EVAL(doit); then
+			    AC_MSG_RESULT(works)
+			else
+			    AC_MSG_RESULT(failed to build executable program)
+			    unset F90
+			fi
+		    else
+			AC_MSG_RESULT(failed to build test program)
+			unset F90
+		    fi
+		    rm -f conftest*
+		    ;;
+	    esac
+	    case "${F90-unset}" in
+		unset)
+		    cat <<EOF >conftest.f90
+			program foo
+			call bar(1)
+			end program foo
+			subroutine bar(bof)
+			integer, intent(in) :: bof
+			end subroutine bar
+EOF
+		    for f90 in xlf90 f90 pgf90 g95; do
+			AC_CHECK_PROG(F90, $f90, $f90)
+			case "${F90}" in
+			    '')
+				;;
+			    *)
+				dnl Check for compiler dependant F90FLAGS. Remember not to change
+				dnl F90FLAGS if it is already set.
+AC_MSG_CHECKING(F90 F90FLAGS)
+AC_MSG_RESULT($F90 $F90FLAGS)
+				AC_MSG_CHECKING(if F90 flag needed)
+				case "${F90FLAGS-unset}" in
+				    unset)	
+					case "${F90}" in
+					     *xlf90*) 
+						  F90FLAGS='-qsuffix=f=f90'
+						  ;;
+					     *xlf95*) 
+						  F90FLAGS='-qfree=f90 -qxlf90=noautodealloc:nosignedzero -qsuffix=f=f90'
+						  ;;
+					esac
+				esac
+				AC_MSG_RESULT($F90FLAGS)
+				AC_MSG_CHECKING(Fortran-90 compiler \"$F90\")
+				doit='$F90 -o conftest ${F90FLAGS} conftest.f90 ${F90LIBS}'
+				if AC_TRY_EVAL(doit); then
+				    doit=./conftest
+				    if AC_TRY_EVAL(doit); then
+					AC_MSG_RESULT(works)
+					break;
+				    else
+					AC_MSG_RESULT(
+					    failed to build executable program)
+					unset F90
+					unset ac_cv_prog_F90
+				    fi
+				else
+				    AC_MSG_RESULT(failed to build test program)
+				    unset F90
+				    unset ac_cv_prog_F90
+				fi
+				;;
+			esac
+		    done
+		    rm -f conftest*
+		    case "${F90}" in
+			'') AC_MSG_WARN(
+			    "Could not find working Fortran-90 compiler")
+			    ;;
+		    esac
+		    ;;
+	    esac
+	    ;;
+    esac
+    case "${F90}" in
+	'')
+	    AC_MSG_WARN("The Fortran-90 interface will not be built")
+	    ;;
+    esac
+    AC_SUBST(F90)
+    AC_SUBST(F90FLAGS)
+    AC_SUBST(F90LIBS)
+])
+
+dnl Check for Fortran-77 compiler.
+dnl
+AC_DEFUN([UD_PROG_FC],
+[
+    AC_BEFORE([UD_FORTRAN_TYPES])
+    case "${FC+set}" in
+	set)
+	    case "$FC" in
+		'')
+		    AC_MSG_WARN(Fortran-77 compiler is explicitly null)
+		    ;;
+		*)
+		    AC_MSG_CHECKING(user-defined Fortran-77 compiler \"$FC\")
+		    cat <<EOF >conftest.f
+                        CALL FOO
+                        END
+EOF
+		    doit='$FC -c ${FFLAGS} conftest.f'
+		    if AC_TRY_EVAL(doit); then
+			AC_MSG_RESULT(works)
+		    else
+			AC_MSG_RESULT(failed to compile test program)
+			FC=
+		    fi
+		    rm -f conftest.*
+		    ;;
+	    esac
+	    ;;
+	*)
+	    case "${F90+set}" in
+		set)
+		    FC=$F90
+		    FFLAGS="${FFLAGS-${F90FLAGS--O}}"
+		    FLIBS="${FLIBS-${F90LIBS-}}"
+		    AC_MSG_CHECKING(\"$FC\" as Fortran-77 compiler)
+		    cat <<EOF >conftest.f
+                        CALL FOO
+                        END
+EOF
+		    doit='$FC -c ${FFLAGS} conftest.f'
+		    if AC_TRY_EVAL(doit); then
+			AC_MSG_RESULT(works)
+		    else
+			AC_MSG_RESULT(failed to compile test program)
+			unset FC
+		    fi
+		    rm -f conftest.*
+		    ;;
+	    esac
+	    case "${FC-unset}" in
+		unset)
+		    case `uname -sr` in
+			AIX*)
+			    # xlf90(1) thinks fortran/ftest.F has bad syntax.
+			    forts="xlf f77"
+			    ;;
+			BSD/OS*|FreeBSD*)
+			    forts="f77 fort77 g77"
+			    ;;
+			HP-UX*)
+			    # f77(1) doesn't have the -L option.
+			    forts=fort77
+			    FLIBS=-lU77
+			    ;;
+			IRIX*)
+			    # f90(1) can't link with c89(1)-compiled objects
+			    forts=f77
+			    ;;
+			IRIX64*)
+			    forts='f77 g77 fort77'
+			    ;;
+			Linux*)
+			    forts="pgf90 f77 fort77 g77"
+			    ;;
+			OSF1*)
+			    # The use of f90(1) results in the following for
+			    # an unknown reason (`make' works in the fortran/
+			    # directory):
+			    # f90 -c -I../libsrc ftest.F 
+			    # Last chance handler: pc = 0xa971b8, 
+			    # sp = 0x3fece0, ra = 0xa971b8
+			    # Last chance handler: internal exception: unwinding
+			    forts="f77"
+			    ;;
+			'SunOS 4'*)
+			    forts='f77 g77 fort77'
+			    ;;
+			'SunOS 5'*)
+			    # SunOS's f90(1) has problems passing a C `char'
+			    # as a Fortran `integer*1' => use f77(1)
+			    forts="pgf90 f77"
+			    ;;
+			sn*|UNICOS*|unicos*)
+			    forts="fort77 cf77 f77 g77 f90"
+			    ;;
+			*)
+			    forts="xlf fort77 ghf77 f77 cf77 g77 xlf90 f90"
+			    ;;
+		    esac
+		    for fc in $forts; do
+			AC_CHECK_PROG(FC, $fc, $fc)
+			case "${FC}" in
+			    '')
+				;;
+			    *)
+				#
+				# On some systems, a discovered compiler
+				# nevertheless won't work (due to licensing,
+				# for example); thus, we check the compiler
+				# with a test program.
+				# 
+				cat <<EOF >conftest.f
+				    CALL FOO
+				    END
+EOF
+				doit='$FC -c ${FFLAGS} conftest.f'
+				if AC_TRY_EVAL(doit); then
+				    break
+				else
+				    AC_MSG_RESULT(
+					failed to compile test program)
+				    unset FC
+				    unset ac_cv_prog_FC
+				fi
+				;;
+			esac
+		    done
+		    rm -f conftest.*
+		    case "${FC}" in
+			'') AC_MSG_WARN(
+				"Could not find working Fortran-77 compiler")
+			    ;;
+		    esac
+		    ;;
+	    esac
+	    ;;
+    esac
+    case "${FC}" in
+	'') AC_MSG_WARN("The Fortran-77 interface will not be built")
+	    ;;
+    esac
+    AC_SUBST(FC)
+    AC_SUBST(FFLAGS)
+    AC_SUBST(FLIBS)
+    #
+    # Set the make(1) macro for compiling a .F file.
+    #
+    case "${FPP-}" in
+    '')
+	AC_MSG_CHECKING(for Fortran .F compiler)
+	AC_MSG_RESULT($COMPILE_F)
+	case "${COMPILE_F-unset}" in
+	unset)
+	    case "${FC}" in
+	    '')
+		COMPILE_F=
+		;;
+	    *)
+		AC_MSG_CHECKING(if Fortran-77 compiler handles *.F files)
+		cat >conftest.h <<\EOF
+#define J 1
+EOF
+		cat >conftest.F <<\EOF
+#include "conftest.h"
+#define N 5
+		  real r(J,N)
+		  end
+EOF
+		doit='$FC -o conftest ${FFLAGS} conftest.F ${FLIBS}'
+		if AC_TRY_EVAL(doit); then
+		    COMPILE_F='$(COMPILE.f) $(FPPFLAGS)'
+		    AC_MSG_RESULT(yes)
+		else
+		    COMPILE_F=
+		    AC_MSG_RESULT(no)
+		fi
+		rm -f conftest*
+		;;
+	    esac
+	    ;;
+	esac
+	;;
+    *)
+	unset COMPILE_F
+	;;
+    esac
+    case "${COMPILE_F-}" in
+	'') UD_PROG_FPP;;
+    esac
+    AC_SUBST(COMPILE_F)
+    FPPFLAGS=${FPPFLAGS-}
+    AC_SUBST(FPPFLAGS)
+])
+
+
+dnl Check for Fortran preprocessor.
+dnl
+AC_DEFUN([UD_PROG_FPP],
+[
+    AC_MSG_CHECKING(for Fortran preprocessor)
+    case "$FPP" in
+    '')
+	AC_REQUIRE([AC_PROG_CPP])
+	FPP="$CPP"
+	;;
+    esac
+    AC_MSG_RESULT($FPP)
+    AC_SUBST(FPP)
+])
+
+
+dnl Check for a Fortran type equivalent to a netCDF type.
+dnl
+dnl UD_CHECK_FORTRAN_NCTYPE(forttype, possibs, nctype)
+dnl
+AC_DEFUN([UD_CHECK_FORTRAN_NCTYPE],
+[
+    AC_MSG_CHECKING(for Fortran-equivalent to netCDF \"$3\")
+    for type in $2; do
+	cat >conftest.f <<EOF
+               $type foo
+               end
+EOF
+	doit='$FC -c ${FFLAGS} conftest.f'
+	if AC_TRY_EVAL(doit); then
+	    break;
+	fi
+    done
+    rm -f conftest.f conftest.o
+    AC_DEFINE_UNQUOTED($1, $type, [type definition])
+    AC_MSG_RESULT($type)
+    $1=$type
+])
+
+
+dnl Check for a Fortran type equivalent to a C type.
+dnl
+dnl UD_CHECK_FORTRAN_CTYPE(v3forttype, v2forttype, ctype, min, max)
+dnl
+AC_DEFUN([UD_CHECK_FORTRAN_CTYPE],
+[
+    AC_MSG_CHECKING(for Fortran-equivalent to C \"$3\")
+    cat >conftest.f <<EOF
+        subroutine sub(values, minval, maxval)
+        implicit        none
+        $2              values(5), minval, maxval
+        minval = values(2)
+        maxval = values(4)
+        if (values(2) .ge. values(4)) then
+            minval = values(4)
+            maxval = values(2)
+        endif
+        end
+EOF
+    doit='$FC -c ${FFLAGS} conftest.f'
+    if AC_TRY_EVAL(doit); then
+	mv conftest.o conftestf.o
+	cat >conftest.c <<EOF
+#include <limits.h>
+#include <float.h>
+void main()
+{
+$3		values[[]] = {0, $4, 0, $5, 0};
+$3		minval, maxval;
+void	$FCALLSCSUB($3*, $3*, $3*);
+$FCALLSCSUB(values, &minval, &maxval);
+exit(!(minval == $4 && maxval == $5));
+}
+EOF
+	doit='$CC -o conftest ${CPPFLAGS} ${CFLAGS} ${LDFLAGS} conftest.c conftestf.o ${LIBS}'
+	if AC_TRY_EVAL(doit); then
+	    doit=./conftest
+	    if AC_TRY_EVAL(doit); then
+		AC_MSG_RESULT($2)
+		$1=$2
+		AC_DEFINE_UNQUOTED($1,$2, [take a guess])
+	    else
+		AC_MSG_RESULT(no equivalent type)
+		unset $1
+	    fi
+	else
+	    AC_MSG_ERROR(Could not compile-and-link conftest.c and conftestf.o)
+	fi
+    else
+	AC_MSG_ERROR(Could not compile conftest.f)
+    fi
+    rm -f conftest*
+])
+
+
+dnl Check for a Fortran data type.
+dnl
+dnl UD_CHECK_FORTRAN_TYPE(varname, ftypes)
+dnl
+AC_DEFUN([UD_CHECK_FORTRAN_TYPE],
+[
+    for ftype in $2; do
+	AC_MSG_CHECKING(for Fortran \"$ftype\")
+	cat >conftest.f <<EOF
+      subroutine sub(value)
+      $ftype value
+      end
+EOF
+	doit='$FC -c ${FFLAGS} conftest.f'
+	if AC_TRY_EVAL(doit); then
+	    AC_MSG_RESULT(yes)
+	    $1=$ftype
+	    AC_DEFINE_UNQUOTED($1, $ftype, [type thing])
+	    break
+	else
+	    AC_MSG_RESULT(no)
+	fi
+    done
+    rm -f conftest*
+])
+
+
+dnl Check for the name format of a Fortran-callable C routine.
+dnl
+dnl UD_CHECK_FCALLSCSUB
+AC_DEFUN([UD_CHECK_FCALLSCSUB],
+[
+    AC_REQUIRE([UD_PROG_FC])
+    case "$FC" in
+	'') ;;
+	*)
+	    AC_REQUIRE([UD_PROG_NM])
+	    AC_BEFORE([UD_CHECK_FORTRAN_CTYPE])
+	    AC_BEFORE([UD_CHECK_CTYPE_FORTRAN])
+	    AC_MSG_CHECKING(for C-equivalent to Fortran routine \"SUB\")
+	    cat >conftest.f <<\EOF
+              call sub()
+              end
+EOF
+	    doit='$FC -c ${FFLAGS} conftest.f'
+	    if AC_TRY_EVAL(doit); then
+		FCALLSCSUB=`$NM $NMFLAGS conftest.o | awk '
+		    /SUB_/{print "SUB_";exit}
+		    /SUB/ {print "SUB"; exit}
+		    /sub_/{print "sub_";exit}
+		    /sub/ {print "sub"; exit}'`
+		case "$FCALLSCSUB" in
+		    '') AC_MSG_ERROR(not found)
+			;;
+		    *)  AC_MSG_RESULT($FCALLSCSUB)
+			;;
+		esac
+	    else
+		AC_MSG_ERROR(Could not compile conftest.f)
+	    fi
+	    rm -f conftest*
+	    ;;
+    esac
+])
+
+
+dnl Check for a C type equivalent to a Fortran type.
+dnl
+dnl UD_CHECK_CTYPE_FORTRAN(ftype, ctypes, fmacro_root)
+dnl
+AC_DEFUN([UD_CHECK_CTYPE_FORTRAN],
+[
+    cat >conftestf.f <<EOF
+           $1 values(4)
+           data values /-1, -2, -3, -4/
+           call sub(values)
+           end
+EOF
+    for ctype in $2; do
+	AC_MSG_CHECKING(if Fortran \"$1\" is C \"$ctype\")
+	cat >conftest.c <<EOF
+	    void $FCALLSCSUB(values)
+		$ctype values[[4]];
+	    {
+		exit(values[[1]] != -2 || values[[2]] != -3);
+	    }
+EOF
+	doit='$CC -c ${CPPFLAGS} ${CFLAGS} conftest.c'
+	if AC_TRY_EVAL(doit); then
+	    doit='$FC ${FFLAGS} -c conftestf.f'
+	    if AC_TRY_EVAL(doit); then
+	        doit='$FC -o conftest ${FFLAGS} ${FLDFLAGS} conftestf.o conftest.o ${FLIBS} ${LIBS}'
+	        if AC_TRY_EVAL(doit); then
+		    doit=./conftest
+		    if AC_TRY_EVAL(doit); then
+		        AC_MSG_RESULT(yes)
+		        cname=`echo $ctype | tr ' abcdefghijklmnopqrstuvwxyz' \
+			    _ABCDEFGHIJKLMNOPQRSTUVWXYZ`
+		        AC_DEFINE_UNQUOTED(NF_$3[]_IS_C_$cname, [1], [fortran to c conversion])
+		        break
+		    else
+		        AC_MSG_RESULT(no)
+		    fi
+	        else
+		    AC_MSG_ERROR(Could not link conftestf.o and conftest.o)
+	        fi
+	    else
+		AC_MSG_ERROR(Could not compile conftestf.f)
+	    fi
+	else
+	    AC_MSG_ERROR(Could not compile conftest.c)
+	fi
+    done
+    rm -f conftest*
+])
+
+
+dnl Get information about Fortran data types.
+dnl
+AC_DEFUN([UD_FORTRAN_TYPES],
+[
+    AC_REQUIRE([UD_PROG_FC])
+    case "$FC" in
+    '')
+	;;
+    *)
+	AC_REQUIRE([UD_CHECK_FCALLSCSUB])
+	UD_CHECK_FORTRAN_TYPE(NF_INT1_T, byte integer*1 "integer(kind(1))")
+	UD_CHECK_FORTRAN_TYPE(NF_INT2_T, integer*2 "integer(kind(2))")
+
+	case "${NF_INT1_T}" in
+	    '') ;;
+	    *)  UD_CHECK_CTYPE_FORTRAN($NF_INT1_T, "signed char", INT1)
+		UD_CHECK_CTYPE_FORTRAN($NF_INT1_T, "short", INT1)
+		UD_CHECK_CTYPE_FORTRAN($NF_INT1_T, "int", INT1)
+		UD_CHECK_CTYPE_FORTRAN($NF_INT1_T, "long", INT1)
+		;;
+	esac
+	case "${NF_INT2_T}" in
+	    '') ;;
+	    *)  UD_CHECK_CTYPE_FORTRAN($NF_INT2_T, short, INT2)
+		UD_CHECK_CTYPE_FORTRAN($NF_INT2_T, int, INT2)
+		UD_CHECK_CTYPE_FORTRAN($NF_INT2_T, long, INT2)
+		;;
+	esac
+	UD_CHECK_CTYPE_FORTRAN(integer, int long, INT)
+	UD_CHECK_CTYPE_FORTRAN(real, float double, REAL)
+	UD_CHECK_CTYPE_FORTRAN(doubleprecision, double float, DOUBLEPRECISION)
+
+	UD_CHECK_FORTRAN_NCTYPE(NCBYTE_T, byte integer*1 integer, byte)
+
+	UD_CHECK_FORTRAN_NCTYPE(NCSHORT_T, integer*2 integer, short)
+dnl	UD_CHECK_FORTRAN_CTYPE(NF_SHORT_T, $NCSHORT_T, short, SHRT_MIN, SHRT_MAX)
+
+dnl	UD_CHECK_FORTRAN_NCTYPE(NCLONG_T, integer*4 integer, long)
+dnl	UD_CHECK_FORTRAN_CTYPE(NF_INT_T, integer, int, INT_MIN, INT_MAX)
+
+dnl	UD_CHECK_FORTRAN_NCTYPE(NCFLOAT_T, real*4 real, float)
+dnl	UD_CHECK_FORTRAN_CTYPE(NF_FLOAT_T, $NCFLOAT_T, float, FLT_MIN, FLT_MAX)
+
+dnl	UD_CHECK_FORTRAN_NCTYPE(NCDOUBLE_T, real*8 doubleprecision real, double)
+dnl	UD_CHECK_FORTRAN_CTYPE(NF_DOUBLE_T, $NCDOUBLE_T, double, DBL_MIN, DBL_MAX)
+	;;
+    esac
+])
+
+
+dnl Setup for making a manual-page database.
+dnl
+AC_DEFUN([UD_MAKEWHATIS],
+[
+    #
+    # NB: We always want to define WHATIS to prevent the
+    # $(MANDIR)/$(WHATIS) make(1) target from being just $(MANDIR)/ and
+    # conflicting with the (directory creation) target with the same name.
+    #
+    WHATIS=whatis
+    case `uname -sr` in
+	BSD/OS*|FreeBSD*)
+	    # Can't generate a user-database -- only /usr/share/man/whatis.db.
+	    MAKEWHATIS_CMD=
+	    ;;
+	'IRIX64 6.5'|'IRIX 6.5')
+	    MAKEWHATIS_CMD='/usr/lib/makewhatis -M $(MANDIR) $(MANDIR)/whatis'
+	    ;;
+	'IRIX 6'*)
+	    # Can't generate a user-database.
+	    MAKEWHATIS_CMD=
+	    ;;
+	HP-UX*)
+	    # Can't generate a user-database -- only /usr/lib/whatis.
+	    MAKEWHATIS_CMD=
+	    ;;
+	'Linux '*)
+	    # /usr/sbin/makewhatis doesn't work
+	    MAKEWHATIS_CMD=
+	    ;;
+	ULTRIX*)
+	    # Can't generate a user-database -- only /usr/lib/whatis.
+	    MAKEWHATIS_CMD=
+	    ;;
+	*)
+	    if test -r /usr/man/windex; then
+		WHATIS=windex
+	    fi
+	    AC_CHECK_PROGS(prog, catman makewhatis /usr/lib/makewhatis)
+	    case "$prog" in
+		*catman*)
+		    MAKEWHATIS_CMD=$prog' -w -M $(MANDIR)'
+		    ;;
+		*makewhatis*)
+		    MAKEWHATIS_CMD=$prog' $(MANDIR)'
+		    ;;
+	    esac
+	    ;;
+    esac
+    AC_SUBST(WHATIS)
+    AC_SUBST(MAKEWHATIS_CMD)
+    AC_MSG_CHECKING(for manual-page index command)
+    AC_MSG_RESULT($MAKEWHATIS_CMD)
+])
+
+
+dnl Check for the math library.
+dnl
+AC_DEFUN([UD_CHECK_LIB_MATH],
+[
+    case "${MATHLIB}" in
+	'')
+	    AC_CHECK_LIB(c, tanh, MATHLIB=,
+		    AC_CHECK_LIB(m, tanh, MATHLIB=-lm, MATHLIB=))
+	    ;;
+	*)
+	    ;;
+    esac 
+   AC_SUBST(MATHLIB)
+])
+
+
+dnl Check for the ftruncate() function and its correct behavior.
+dnl
+AC_DEFUN([UD_CHECK_FTRUNCATE],
+[
+    AC_MSG_CHECKING(for working ftruncate())
+    AC_TRY_RUN(dnl
+#include <unistd.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+main()
+{
+    char*	path = tmpnam(NULL);
+    int		exitStatus = 1;
+
+    if (path != NULL)
+    {
+	int	fd = open(path, O_RDWR | O_CREAT | O_TRUNC, 0666);
+
+	if (fd != -1)
+	{
+	    if (write(fd, "0", 1) == 1)
+	    {
+		off_t	pos = lseek(fd, 0, SEEK_CUR);
+
+		if (pos != (off_t)-1)
+		{
+		    if (ftruncate(fd, 512) != -1)
+		    {
+			if (pos == lseek(fd, 0, SEEK_CUR))
+			{
+			    if (lseek(fd, 0, SEEK_SET) == 0)
+			    {
+				char	buf[[512]];
+
+				if (read(fd, buf, 512) == 512)
+				    exitStatus = 0;
+			    }
+			}
+		    }
+		}
+	    }
+	    close(fd);
+	    unlink(path);
+	}
+    }
+
+    return exitStatus;
+}
+    ,
+	AC_MSG_RESULT(yes)
+	AC_DEFINE([HAVE_FTRUNCATE], [], [have ftruncate])
+    ,
+	AC_MSG_RESULT(no)
+    )
+])
+
+
+dnl Set the binary distribution directory.
+dnl
+AC_DEFUN([UD_FTPBINDIR], [dnl
+    AC_MSG_CHECKING([binary distribution directory])
+    case ${FTPBINDIR-unset} in
+	unset)
+	    system=`(system) 2>/dev/null || echo dummy_system`
+	    FTPBINDIR=${FTPDIR-/home/ftp}/pub/binary/$system
+	    ;;
+    esac
+    AC_SUBST(FTPBINDIR)dnl
+    AC_MSG_RESULT($FTPBINDIR)
+])
+
+
+dnl
+dnl
+dnl
+
+dnl
+dnl These headers won't get C style comments
+dnl
+dnl UD_CONFIG_HEADER(HEADER-TO-CREATE ...)
+AC_DEFUN([UD_CONFIG_HEADER],
+[define(UD_LIST_HEADER, $1)])
+
+
+dnl
+dnl Print which compilers are going to be used, the flags, and their
+dnl locations. This is all to assist in debugging, and help with
+dnl support questions.
+dnl
+AC_DEFUN([UD_DISPLAY_RESULTS],
+[
+AC_MSG_CHECKING(CPPFLAGS)
+AC_MSG_RESULT($CPPFLAGS)
+AC_MSG_CHECKING(CC CFLAGS)
+AC_MSG_RESULT($CC $CFLAGS)
+ud_type_cc=`type $CC`
+AC_MSG_CHECKING(type $CC)
+AC_MSG_RESULT($ud_type_cc)
+
+AC_MSG_CHECKING(CXX)
+if test -n "$CXX"; then
+	AC_MSG_RESULT($CXX)
+	AC_MSG_CHECKING(CXXFLAGS)
+	AC_MSG_RESULT($CXXFLAGS)
+	ud_type_CXX=`type $CXX`
+	AC_MSG_CHECKING(type $CXX)
+	AC_MSG_RESULT($ud_type_CXX)
+else
+	AC_MSG_RESULT(unset)
+fi
+
+AC_MSG_CHECKING(FC)
+if test -n "$FC"; then
+	AC_MSG_RESULT($FC)
+	AC_MSG_CHECKING(FFLAGS)
+	AC_MSG_RESULT($FFLAGS)
+	ud_type_fc=`type $FC`
+	AC_MSG_CHECKING(type $FC)
+	AC_MSG_RESULT($ud_type_fc)
+else
+	AC_MSG_RESULT(unset)
+fi
+
+AC_MSG_CHECKING(F90)
+if test -n "$F90"; then
+	AC_MSG_RESULT($F90)
+	AC_MSG_CHECKING(F90FLAGS)
+	AC_MSG_RESULT($F90FLAGS)
+	ud_type_F90=`type $F90`
+	AC_MSG_CHECKING(type $F90)
+	AC_MSG_RESULT($ud_type_F90)
+else
+	AC_MSG_RESULT(unset)
+fi
+
+AC_MSG_CHECKING(AR)
+if test -n "$AR"; then
+	AC_MSG_RESULT($AR)
+	AC_MSG_CHECKING(ARFLAGS)
+	AC_MSG_RESULT($ARFLAGS)
+	ud_type_AR=`type $AR`
+	AC_MSG_CHECKING(type $AR)
+	AC_MSG_RESULT($ud_type_AR)
+else
+	AC_MSG_RESULT(unset)
+fi
+
+AC_MSG_CHECKING(NM)
+if test -n "$NM"; then
+	AC_MSG_RESULT($NM)
+	AC_MSG_CHECKING(NMFLAGS)
+	AC_MSG_RESULT($NMFLAGS)
+#	ud_type_NM=`type $NM`
+#	AC_MSG_CHECKING(type $NM)
+#	AC_MSG_RESULT($ud_type_NM)
+else
+	AC_MSG_RESULT(unset)
+fi
+
+])
+
+
+
diff --git a/aclocal.m4 b/aclocal.m4
new file mode 100644
index 0000000..eab4b58
--- /dev/null
+++ b/aclocal.m4
@@ -0,0 +1,908 @@
+# generated automatically by aclocal 1.10.1 -*- Autoconf -*-
+
+# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+# 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+m4_ifndef([AC_AUTOCONF_VERSION],
+  [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
+m4_if(AC_AUTOCONF_VERSION, [2.62],,
+[m4_warning([this file was generated for autoconf 2.62.
+You have another version of autoconf.  It may work, but is not guaranteed to.
+If you have problems, you may need to regenerate the build system entirely.
+To do so, use the procedure documented by the package, typically `autoreconf'.])])
+
+# Copyright (C) 2002, 2003, 2005, 2006, 2007  Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_AUTOMAKE_VERSION(VERSION)
+# ----------------------------
+# Automake X.Y traces this macro to ensure aclocal.m4 has been
+# generated from the m4 files accompanying Automake X.Y.
+# (This private macro should not be called outside this file.)
+AC_DEFUN([AM_AUTOMAKE_VERSION],
+[am__api_version='1.10'
+dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
+dnl require some minimum version.  Point them to the right macro.
+m4_if([$1], [1.10.1], [],
+      [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
+])
+
+# _AM_AUTOCONF_VERSION(VERSION)
+# -----------------------------
+# aclocal traces this macro to find the Autoconf version.
+# This is a private macro too.  Using m4_define simplifies
+# the logic in aclocal, which can simply ignore this definition.
+m4_define([_AM_AUTOCONF_VERSION], [])
+
+# AM_SET_CURRENT_AUTOMAKE_VERSION
+# -------------------------------
+# Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
+# This function is AC_REQUIREd by AC_INIT_AUTOMAKE.
+AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
+[AM_AUTOMAKE_VERSION([1.10.1])dnl
+m4_ifndef([AC_AUTOCONF_VERSION],
+  [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
+_AM_AUTOCONF_VERSION(AC_AUTOCONF_VERSION)])
+
+# AM_AUX_DIR_EXPAND                                         -*- Autoconf -*-
+
+# Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
+# $ac_aux_dir to `$srcdir/foo'.  In other projects, it is set to
+# `$srcdir', `$srcdir/..', or `$srcdir/../..'.
+#
+# Of course, Automake must honor this variable whenever it calls a
+# tool from the auxiliary directory.  The problem is that $srcdir (and
+# therefore $ac_aux_dir as well) can be either absolute or relative,
+# depending on how configure is run.  This is pretty annoying, since
+# it makes $ac_aux_dir quite unusable in subdirectories: in the top
+# source directory, any form will work fine, but in subdirectories a
+# relative path needs to be adjusted first.
+#
+# $ac_aux_dir/missing
+#    fails when called from a subdirectory if $ac_aux_dir is relative
+# $top_srcdir/$ac_aux_dir/missing
+#    fails if $ac_aux_dir is absolute,
+#    fails when called from a subdirectory in a VPATH build with
+#          a relative $ac_aux_dir
+#
+# The reason of the latter failure is that $top_srcdir and $ac_aux_dir
+# are both prefixed by $srcdir.  In an in-source build this is usually
+# harmless because $srcdir is `.', but things will broke when you
+# start a VPATH build or use an absolute $srcdir.
+#
+# So we could use something similar to $top_srcdir/$ac_aux_dir/missing,
+# iff we strip the leading $srcdir from $ac_aux_dir.  That would be:
+#   am_aux_dir='\$(top_srcdir)/'`expr "$ac_aux_dir" : "$srcdir//*\(.*\)"`
+# and then we would define $MISSING as
+#   MISSING="\${SHELL} $am_aux_dir/missing"
+# This will work as long as MISSING is not called from configure, because
+# unfortunately $(top_srcdir) has no meaning in configure.
+# However there are other variables, like CC, which are often used in
+# configure, and could therefore not use this "fixed" $ac_aux_dir.
+#
+# Another solution, used here, is to always expand $ac_aux_dir to an
+# absolute PATH.  The drawback is that using absolute paths prevent a
+# configured tree to be moved without reconfiguration.
+
+AC_DEFUN([AM_AUX_DIR_EXPAND],
+[dnl Rely on autoconf to set up CDPATH properly.
+AC_PREREQ([2.50])dnl
+# expand $ac_aux_dir to an absolute path
+am_aux_dir=`cd $ac_aux_dir && pwd`
+])
+
+# AM_CONDITIONAL                                            -*- Autoconf -*-
+
+# Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005, 2006
+# Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 8
+
+# AM_CONDITIONAL(NAME, SHELL-CONDITION)
+# -------------------------------------
+# Define a conditional.
+AC_DEFUN([AM_CONDITIONAL],
+[AC_PREREQ(2.52)dnl
+ ifelse([$1], [TRUE],  [AC_FATAL([$0: invalid condition: $1])],
+	[$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl
+AC_SUBST([$1_TRUE])dnl
+AC_SUBST([$1_FALSE])dnl
+_AM_SUBST_NOTMAKE([$1_TRUE])dnl
+_AM_SUBST_NOTMAKE([$1_FALSE])dnl
+if $2; then
+  $1_TRUE=
+  $1_FALSE='#'
+else
+  $1_TRUE='#'
+  $1_FALSE=
+fi
+AC_CONFIG_COMMANDS_PRE(
+[if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then
+  AC_MSG_ERROR([[conditional "$1" was never defined.
+Usually this means the macro was only invoked conditionally.]])
+fi])])
+
+# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+# Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 9
+
+# There are a few dirty hacks below to avoid letting `AC_PROG_CC' be
+# written in clear, in which case automake, when reading aclocal.m4,
+# will think it sees a *use*, and therefore will trigger all it's
+# C support machinery.  Also note that it means that autoscan, seeing
+# CC etc. in the Makefile, will ask for an AC_PROG_CC use...
+
+
+# _AM_DEPENDENCIES(NAME)
+# ----------------------
+# See how the compiler implements dependency checking.
+# NAME is "CC", "CXX", "GCJ", or "OBJC".
+# We try a few techniques and use that to set a single cache variable.
+#
+# We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was
+# modified to invoke _AM_DEPENDENCIES(CC); we would have a circular
+# dependency, and given that the user is not expected to run this macro,
+# just rely on AC_PROG_CC.
+AC_DEFUN([_AM_DEPENDENCIES],
+[AC_REQUIRE([AM_SET_DEPDIR])dnl
+AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
+AC_REQUIRE([AM_MAKE_INCLUDE])dnl
+AC_REQUIRE([AM_DEP_TRACK])dnl
+
+ifelse([$1], CC,   [depcc="$CC"   am_compiler_list=],
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+       [$1], UPC,  [depcc="$UPC"  am_compiler_list=],
+       [$1], GCJ,  [depcc="$GCJ"  am_compiler_list='gcc3 gcc'],
+                   [depcc="$$1"   am_compiler_list=])
+
+AC_CACHE_CHECK([dependency style of $depcc],
+               [am_cv_$1_dependencies_compiler_type],
+[if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
+  # We make a subdir and do the tests there.  Otherwise we can end up
+  # making bogus files that we don't know about and never remove.  For
+  # instance it was reported that on HP-UX the gcc test will end up
+  # making a dummy file named `D' -- because `-MD' means `put the output
+  # in D'.
+  mkdir conftest.dir
+  # Copy depcomp to subdir because otherwise we won't find it if we're
+  # using a relative directory.
+  cp "$am_depcomp" conftest.dir
+  cd conftest.dir
+  # We will build objects and dependencies in a subdirectory because
+  # it helps to detect inapplicable dependency modes.  For instance
+  # both Tru64's cc and ICC support -MD to output dependencies as a
+  # side effect of compilation, but ICC will put the dependencies in
+  # the current directory while Tru64 will put them in the object
+  # directory.
+  mkdir sub
+
+  am_cv_$1_dependencies_compiler_type=none
+  if test "$am_compiler_list" = ""; then
+     am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`
+  fi
+  for depmode in $am_compiler_list; do
+    # Setup a source with many dependencies, because some compilers
+    # like to wrap large dependency lists on column 80 (with \), and
+    # we should not choose a depcomp mode which is confused by this.
+    #
+    # We need to recreate these files for each test, as the compiler may
+    # overwrite some of them when testing with obscure command lines.
+    # This happens at least with the AIX C compiler.
+    : > sub/conftest.c
+    for i in 1 2 3 4 5 6; do
+      echo '#include "conftst'$i'.h"' >> sub/conftest.c
+      # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
+      # Solaris 8's {/usr,}/bin/sh.
+      touch sub/conftst$i.h
+    done
+    echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
+
+    case $depmode in
+    nosideeffect)
+      # after this tag, mechanisms are not by side-effect, so they'll
+      # only be used when explicitly requested
+      if test "x$enable_dependency_tracking" = xyes; then
+	continue
+      else
+	break
+      fi
+      ;;
+    none) break ;;
+    esac
+    # We check with `-c' and `-o' for the sake of the "dashmstdout"
+    # mode.  It turns out that the SunPro C++ compiler does not properly
+    # handle `-M -o', and we need to detect this.
+    if depmode=$depmode \
+       source=sub/conftest.c object=sub/conftest.${OBJEXT-o} \
+       depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
+       $SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c \
+         >/dev/null 2>conftest.err &&
+       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep sub/conftest.${OBJEXT-o} sub/conftest.Po > /dev/null 2>&1 &&
+       ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
+      # icc doesn't choke on unknown options, it will just issue warnings
+      # or remarks (even with -Werror).  So we grep stderr for any message
+      # that says an option was ignored or not supported.
+      # When given -MP, icc 7.0 and 7.1 complain thusly:
+      #   icc: Command line warning: ignoring option '-M'; no argument required
+      # The diagnosis changed in icc 8.0:
+      #   icc: Command line remark: option '-MP' not supported
+      if (grep 'ignoring option' conftest.err ||
+          grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
+        am_cv_$1_dependencies_compiler_type=$depmode
+        break
+      fi
+    fi
+  done
+
+  cd ..
+  rm -rf conftest.dir
+else
+  am_cv_$1_dependencies_compiler_type=none
+fi
+])
+AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
+AM_CONDITIONAL([am__fastdep$1], [
+  test "x$enable_dependency_tracking" != xno \
+  && test "$am_cv_$1_dependencies_compiler_type" = gcc3])
+])
+
+
+# AM_SET_DEPDIR
+# -------------
+# Choose a directory name for dependency files.
+# This macro is AC_REQUIREd in _AM_DEPENDENCIES
+AC_DEFUN([AM_SET_DEPDIR],
+[AC_REQUIRE([AM_SET_LEADING_DOT])dnl
+AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
+])
+
+
+# AM_DEP_TRACK
+# ------------
+AC_DEFUN([AM_DEP_TRACK],
+[AC_ARG_ENABLE(dependency-tracking,
+[  --disable-dependency-tracking  speeds up one-time build
+  --enable-dependency-tracking   do not reject slow dependency extractors])
+if test "x$enable_dependency_tracking" != xno; then
+  am_depcomp="$ac_aux_dir/depcomp"
+  AMDEPBACKSLASH='\'
+fi
+AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
+AC_SUBST([AMDEPBACKSLASH])dnl
+_AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
+])
+
+# Generate code to set up dependency tracking.              -*- Autoconf -*-
+
+# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005
+# Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+#serial 3
+
+# _AM_OUTPUT_DEPENDENCY_COMMANDS
+# ------------------------------
+AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
+[for mf in $CONFIG_FILES; do
+  # Strip MF so we end up with the name of the file.
+  mf=`echo "$mf" | sed -e 's/:.*$//'`
+  # Check whether this is an Automake generated Makefile or not.
+  # We used to match only the files named `Makefile.in', but
+  # some people rename them; so instead we look at the file content.
+  # Grep'ing the first line is not enough: some people post-process
+  # each Makefile.in and add a new line on top of each file to say so.
+  # Grep'ing the whole file is not good either: AIX grep has a line
+  # limit of 2048, but all sed's we know have understand at least 4000.
+  if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
+    dirpart=`AS_DIRNAME("$mf")`
+  else
+    continue
+  fi
+  # Extract the definition of DEPDIR, am__include, and am__quote
+  # from the Makefile without running `make'.
+  DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
+  test -z "$DEPDIR" && continue
+  am__include=`sed -n 's/^am__include = //p' < "$mf"`
+  test -z "am__include" && continue
+  am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
+  # When using ansi2knr, U may be empty or an underscore; expand it
+  U=`sed -n 's/^U = //p' < "$mf"`
+  # Find all dependency output files, they are included files with
+  # $(DEPDIR) in their names.  We invoke sed twice because it is the
+  # simplest approach to changing $(DEPDIR) to its actual value in the
+  # expansion.
+  for file in `sed -n "
+    s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
+       sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
+    # Make sure the directory exists.
+    test -f "$dirpart/$file" && continue
+    fdir=`AS_DIRNAME(["$file"])`
+    AS_MKDIR_P([$dirpart/$fdir])
+    # echo "creating $dirpart/$file"
+    echo '# dummy' > "$dirpart/$file"
+  done
+done
+])# _AM_OUTPUT_DEPENDENCY_COMMANDS
+
+
+# AM_OUTPUT_DEPENDENCY_COMMANDS
+# -----------------------------
+# This macro should only be invoked once -- use via AC_REQUIRE.
+#
+# This code is only required when automatic dependency tracking
+# is enabled.  FIXME.  This creates each `.P' file that we will
+# need in order to bootstrap the dependency handling code.
+AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
+[AC_CONFIG_COMMANDS([depfiles],
+     [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
+     [AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
+])
+
+# Do all the work for Automake.                             -*- Autoconf -*-
+
+# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+# 2005, 2006, 2008 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 13
+
+# This macro actually does too much.  Some checks are only needed if
+# your package does certain things.  But this isn't really a big deal.
+
+# AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
+# AM_INIT_AUTOMAKE([OPTIONS])
+# -----------------------------------------------
+# The call with PACKAGE and VERSION arguments is the old style
+# call (pre autoconf-2.50), which is being phased out.  PACKAGE
+# and VERSION should now be passed to AC_INIT and removed from
+# the call to AM_INIT_AUTOMAKE.
+# We support both call styles for the transition.  After
+# the next Automake release, Autoconf can make the AC_INIT
+# arguments mandatory, and then we can depend on a new Autoconf
+# release and drop the old call support.
+AC_DEFUN([AM_INIT_AUTOMAKE],
+[AC_PREREQ([2.60])dnl
+dnl Autoconf wants to disallow AM_ names.  We explicitly allow
+dnl the ones we care about.
+m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
+AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
+AC_REQUIRE([AC_PROG_INSTALL])dnl
+if test "`cd $srcdir && pwd`" != "`pwd`"; then
+  # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
+  # is not polluted with repeated "-I."
+  AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
+  # test to see if srcdir already configured
+  if test -f $srcdir/config.status; then
+    AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
+  fi
+fi
+
+# test whether we have cygpath
+if test -z "$CYGPATH_W"; then
+  if (cygpath --version) >/dev/null 2>/dev/null; then
+    CYGPATH_W='cygpath -w'
+  else
+    CYGPATH_W=echo
+  fi
+fi
+AC_SUBST([CYGPATH_W])
+
+# Define the identity of the package.
+dnl Distinguish between old-style and new-style calls.
+m4_ifval([$2],
+[m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
+ AC_SUBST([PACKAGE], [$1])dnl
+ AC_SUBST([VERSION], [$2])],
+[_AM_SET_OPTIONS([$1])dnl
+dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
+m4_if(m4_ifdef([AC_PACKAGE_NAME], 1)m4_ifdef([AC_PACKAGE_VERSION], 1), 11,,
+  [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
+ AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
+ AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
+
+_AM_IF_OPTION([no-define],,
+[AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
+ AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])])dnl
+
+# Some tools Automake needs.
+AC_REQUIRE([AM_SANITY_CHECK])dnl
+AC_REQUIRE([AC_ARG_PROGRAM])dnl
+AM_MISSING_PROG(ACLOCAL, aclocal-${am__api_version})
+AM_MISSING_PROG(AUTOCONF, autoconf)
+AM_MISSING_PROG(AUTOMAKE, automake-${am__api_version})
+AM_MISSING_PROG(AUTOHEADER, autoheader)
+AM_MISSING_PROG(MAKEINFO, makeinfo)
+AM_PROG_INSTALL_SH
+AM_PROG_INSTALL_STRIP
+AC_REQUIRE([AM_PROG_MKDIR_P])dnl
+# We need awk for the "check" target.  The system "awk" is bad on
+# some platforms.
+AC_REQUIRE([AC_PROG_AWK])dnl
+AC_REQUIRE([AC_PROG_MAKE_SET])dnl
+AC_REQUIRE([AM_SET_LEADING_DOT])dnl
+_AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
+              [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
+	      		     [_AM_PROG_TAR([v7])])])
+_AM_IF_OPTION([no-dependencies],,
+[AC_PROVIDE_IFELSE([AC_PROG_CC],
+                  [_AM_DEPENDENCIES(CC)],
+                  [define([AC_PROG_CC],
+                          defn([AC_PROG_CC])[_AM_DEPENDENCIES(CC)])])dnl
+AC_PROVIDE_IFELSE([AC_PROG_CXX],
+                  [_AM_DEPENDENCIES(CXX)],
+                  [define([AC_PROG_CXX],
+                          defn([AC_PROG_CXX])[_AM_DEPENDENCIES(CXX)])])dnl
+AC_PROVIDE_IFELSE([AC_PROG_OBJC],
+                  [_AM_DEPENDENCIES(OBJC)],
+                  [define([AC_PROG_OBJC],
+                          defn([AC_PROG_OBJC])[_AM_DEPENDENCIES(OBJC)])])dnl
+])
+])
+
+
+# When config.status generates a header, we must update the stamp-h file.
+# This file resides in the same directory as the config header
+# that is generated.  The stamp files are numbered to have different names.
+
+# Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
+# loop where config.status creates the headers, so we can generate
+# our stamp files there.
+AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
+[# Compute $1's index in $config_headers.
+_am_arg=$1
+_am_stamp_count=1
+for _am_header in $config_headers :; do
+  case $_am_header in
+    $_am_arg | $_am_arg:* )
+      break ;;
+    * )
+      _am_stamp_count=`expr $_am_stamp_count + 1` ;;
+  esac
+done
+echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
+
+# Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_PROG_INSTALL_SH
+# ------------------
+# Define $install_sh.
+AC_DEFUN([AM_PROG_INSTALL_SH],
+[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
+install_sh=${install_sh-"\$(SHELL) $am_aux_dir/install-sh"}
+AC_SUBST(install_sh)])
+
+# Copyright (C) 2003, 2005  Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 2
+
+# Check whether the underlying file-system supports filenames
+# with a leading dot.  For instance MS-DOS doesn't.
+AC_DEFUN([AM_SET_LEADING_DOT],
+[rm -rf .tst 2>/dev/null
+mkdir .tst 2>/dev/null
+if test -d .tst; then
+  am__leading_dot=.
+else
+  am__leading_dot=_
+fi
+rmdir .tst 2>/dev/null
+AC_SUBST([am__leading_dot])])
+
+# Check to see how 'make' treats includes.	            -*- Autoconf -*-
+
+# Copyright (C) 2001, 2002, 2003, 2005  Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 3
+
+# AM_MAKE_INCLUDE()
+# -----------------
+# Check to see how make treats includes.
+AC_DEFUN([AM_MAKE_INCLUDE],
+[am_make=${MAKE-make}
+cat > confinc << 'END'
+am__doit:
+	@echo done
+.PHONY: am__doit
+END
+# If we don't find an include directive, just comment out the code.
+AC_MSG_CHECKING([for style of include used by $am_make])
+am__include="#"
+am__quote=
+_am_result=none
+# First try GNU make style include.
+echo "include confinc" > confmf
+# We grep out `Entering directory' and `Leaving directory'
+# messages which can occur if `w' ends up in MAKEFLAGS.
+# In particular we don't look at `^make:' because GNU make might
+# be invoked under some other name (usually "gmake"), in which
+# case it prints its new name instead of `make'.
+if test "`$am_make -s -f confmf 2> /dev/null | grep -v 'ing directory'`" = "done"; then
+   am__include=include
+   am__quote=
+   _am_result=GNU
+fi
+# Now try BSD make style include.
+if test "$am__include" = "#"; then
+   echo '.include "confinc"' > confmf
+   if test "`$am_make -s -f confmf 2> /dev/null`" = "done"; then
+      am__include=.include
+      am__quote="\""
+      _am_result=BSD
+   fi
+fi
+AC_SUBST([am__include])
+AC_SUBST([am__quote])
+AC_MSG_RESULT([$_am_result])
+rm -f confinc confmf
+])
+
+# Copyright (C) 1999, 2000, 2001, 2003, 2004, 2005
+# Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 5
+
+# AM_PROG_CC_C_O
+# --------------
+# Like AC_PROG_CC_C_O, but changed for automake.
+AC_DEFUN([AM_PROG_CC_C_O],
+[AC_REQUIRE([AC_PROG_CC_C_O])dnl
+AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
+AC_REQUIRE_AUX_FILE([compile])dnl
+# FIXME: we rely on the cache variable name because
+# there is no other way.
+set dummy $CC
+ac_cc=`echo $[2] | sed ['s/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/']`
+if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" != yes"; then
+   # Losing compiler, so override with the script.
+   # FIXME: It is wrong to rewrite CC.
+   # But if we don't then we get into trouble of one sort or another.
+   # A longer-term fix would be to have automake use am__CC in this case,
+   # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
+   CC="$am_aux_dir/compile $CC"
+fi
+dnl Make sure AC_PROG_CC is never called again, or it will override our
+dnl setting of CC.
+m4_define([AC_PROG_CC],
+          [m4_fatal([AC_PROG_CC cannot be called after AM_PROG_CC_C_O])])
+])
+
+# Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
+
+# Copyright (C) 1997, 1999, 2000, 2001, 2003, 2004, 2005
+# Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 5
+
+# AM_MISSING_PROG(NAME, PROGRAM)
+# ------------------------------
+AC_DEFUN([AM_MISSING_PROG],
+[AC_REQUIRE([AM_MISSING_HAS_RUN])
+$1=${$1-"${am_missing_run}$2"}
+AC_SUBST($1)])
+
+
+# AM_MISSING_HAS_RUN
+# ------------------
+# Define MISSING if not defined so far and test if it supports --run.
+# If it does, set am_missing_run to use it, otherwise, to nothing.
+AC_DEFUN([AM_MISSING_HAS_RUN],
+[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
+AC_REQUIRE_AUX_FILE([missing])dnl
+test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing"
+# Use eval to expand $SHELL
+if eval "$MISSING --run true"; then
+  am_missing_run="$MISSING --run "
+else
+  am_missing_run=
+  AC_MSG_WARN([`missing' script is too old or missing])
+fi
+])
+
+# Copyright (C) 2003, 2004, 2005, 2006  Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_PROG_MKDIR_P
+# ---------------
+# Check for `mkdir -p'.
+AC_DEFUN([AM_PROG_MKDIR_P],
+[AC_PREREQ([2.60])dnl
+AC_REQUIRE([AC_PROG_MKDIR_P])dnl
+dnl Automake 1.8 to 1.9.6 used to define mkdir_p.  We now use MKDIR_P,
+dnl while keeping a definition of mkdir_p for backward compatibility.
+dnl @MKDIR_P@ is magic: AC_OUTPUT adjusts its value for each Makefile.
+dnl However we cannot define mkdir_p as $(MKDIR_P) for the sake of
+dnl Makefile.ins that do not define MKDIR_P, so we do our own
+dnl adjustment using top_builddir (which is defined more often than
+dnl MKDIR_P).
+AC_SUBST([mkdir_p], ["$MKDIR_P"])dnl
+case $mkdir_p in
+  [[\\/$]]* | ?:[[\\/]]*) ;;
+  */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
+esac
+])
+
+# Helper functions for option handling.                     -*- Autoconf -*-
+
+# Copyright (C) 2001, 2002, 2003, 2005  Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 3
+
+# _AM_MANGLE_OPTION(NAME)
+# -----------------------
+AC_DEFUN([_AM_MANGLE_OPTION],
+[[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
+
+# _AM_SET_OPTION(NAME)
+# ------------------------------
+# Set option NAME.  Presently that only means defining a flag for this option.
+AC_DEFUN([_AM_SET_OPTION],
+[m4_define(_AM_MANGLE_OPTION([$1]), 1)])
+
+# _AM_SET_OPTIONS(OPTIONS)
+# ----------------------------------
+# OPTIONS is a space-separated list of Automake options.
+AC_DEFUN([_AM_SET_OPTIONS],
+[AC_FOREACH([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
+
+# _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
+# -------------------------------------------
+# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
+AC_DEFUN([_AM_IF_OPTION],
+[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
+
+# Check to make sure that the build environment is sane.    -*- Autoconf -*-
+
+# Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005
+# Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 4
+
+# AM_SANITY_CHECK
+# ---------------
+AC_DEFUN([AM_SANITY_CHECK],
+[AC_MSG_CHECKING([whether build environment is sane])
+# Just in case
+sleep 1
+echo timestamp > conftest.file
+# Do `set' in a subshell so we don't clobber the current shell's
+# arguments.  Must try -L first in case configure is actually a
+# symlink; some systems play weird games with the mod time of symlinks
+# (eg FreeBSD returns the mod time of the symlink's containing
+# directory).
+if (
+   set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null`
+   if test "$[*]" = "X"; then
+      # -L didn't work.
+      set X `ls -t $srcdir/configure conftest.file`
+   fi
+   rm -f conftest.file
+   if test "$[*]" != "X $srcdir/configure conftest.file" \
+      && test "$[*]" != "X conftest.file $srcdir/configure"; then
+
+      # If neither matched, then we have a broken ls.  This can happen
+      # if, for instance, CONFIG_SHELL is bash and it inherits a
+      # broken ls alias from the environment.  This has actually
+      # happened.  Such a system could not be considered "sane".
+      AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
+alias in your environment])
+   fi
+
+   test "$[2]" = conftest.file
+   )
+then
+   # Ok.
+   :
+else
+   AC_MSG_ERROR([newly created file is older than distributed files!
+Check your system clock])
+fi
+AC_MSG_RESULT(yes)])
+
+# Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_PROG_INSTALL_STRIP
+# ---------------------
+# One issue with vendor `install' (even GNU) is that you can't
+# specify the program used to strip binaries.  This is especially
+# annoying in cross-compiling environments, where the build's strip
+# is unlikely to handle the host's binaries.
+# Fortunately install-sh will honor a STRIPPROG variable, so we
+# always use install-sh in `make install-strip', and initialize
+# STRIPPROG with the value of the STRIP variable (set by the user).
+AC_DEFUN([AM_PROG_INSTALL_STRIP],
+[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
+# Installed binaries are usually stripped using `strip' when the user
+# run `make install-strip'.  However `strip' might not be the right
+# tool to use in cross-compilation environments, therefore Automake
+# will honor the `STRIP' environment variable to overrule this program.
+dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
+if test "$cross_compiling" != no; then
+  AC_CHECK_TOOL([STRIP], [strip], :)
+fi
+INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
+AC_SUBST([INSTALL_STRIP_PROGRAM])])
+
+# Copyright (C) 2006  Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# _AM_SUBST_NOTMAKE(VARIABLE)
+# ---------------------------
+# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
+# This macro is traced by Automake.
+AC_DEFUN([_AM_SUBST_NOTMAKE])
+
+# Check how to create a tarball.                            -*- Autoconf -*-
+
+# Copyright (C) 2004, 2005  Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 2
+
+# _AM_PROG_TAR(FORMAT)
+# --------------------
+# Check how to create a tarball in format FORMAT.
+# FORMAT should be one of `v7', `ustar', or `pax'.
+#
+# Substitute a variable $(am__tar) that is a command
+# writing to stdout a FORMAT-tarball containing the directory
+# $tardir.
+#     tardir=directory && $(am__tar) > result.tar
+#
+# Substitute a variable $(am__untar) that extract such
+# a tarball read from stdin.
+#     $(am__untar) < result.tar
+AC_DEFUN([_AM_PROG_TAR],
+[# Always define AMTAR for backward compatibility.
+AM_MISSING_PROG([AMTAR], [tar])
+m4_if([$1], [v7],
+     [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
+     [m4_case([$1], [ustar],, [pax],,
+              [m4_fatal([Unknown tar format])])
+AC_MSG_CHECKING([how to create a $1 tar archive])
+# Loop over all known methods to create a tar archive until one works.
+_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
+_am_tools=${am_cv_prog_tar_$1-$_am_tools}
+# Do not fold the above two line into one, because Tru64 sh and
+# Solaris sh will not grok spaces in the rhs of `-'.
+for _am_tool in $_am_tools
+do
+  case $_am_tool in
+  gnutar)
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+      AM_RUN_LOG([$_am_tar --version]) && break
+    done
+    am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
+    am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
+    am__untar="$_am_tar -xf -"
+    ;;
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+    # Must skip GNU tar: if it does not support --format= it doesn't create
+    # ustar tarball either.
+    (tar --version) >/dev/null 2>&1 && continue
+    am__tar='tar chf - "$$tardir"'
+    am__tar_='tar chf - "$tardir"'
+    am__untar='tar xf -'
+    ;;
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+    am__tar='pax -L -x $1 -w "$$tardir"'
+    am__tar_='pax -L -x $1 -w "$tardir"'
+    am__untar='pax -r'
+    ;;
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+    am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
+    am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
+    am__untar='cpio -i -H $1 -d'
+    ;;
+  none)
+    am__tar=false
+    am__tar_=false
+    am__untar=false
+    ;;
+  esac
+
+  # If the value was cached, stop now.  We just wanted to have am__tar
+  # and am__untar set.
+  test -n "${am_cv_prog_tar_$1}" && break
+
+  # tar/untar a dummy directory, and stop if the command works
+  rm -rf conftest.dir
+  mkdir conftest.dir
+  echo GrepMe > conftest.dir/file
+  AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
+  rm -rf conftest.dir
+  if test -s conftest.tar; then
+    AM_RUN_LOG([$am__untar <conftest.tar])
+    grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
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+
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+AC_MSG_RESULT([$am_cv_prog_tar_$1])])
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+m4_include([m4/libtool.m4])
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+m4_include([m4/lt~obsolete.m4])
+m4_include([acinclude.m4])
diff --git a/cfcheck/Makefile.am b/cfcheck/Makefile.am
new file mode 100644
index 0000000..9588892
--- /dev/null
+++ b/cfcheck/Makefile.am
@@ -0,0 +1,43 @@
+# This is part of the libcf library.
+
+# This automake file handles the building of cfcheck.
+
+# Ed Hartnett 11/23/06
+
+# $Id: Makefile.am,v 1.3 2007/05/27 06:56:11 ed Exp $
+
+# Find libcf.h here.
+AM_CPPFLAGS = -I${top_srcdir}/src
+
+AM_LDFLAGS = 
+
+# Link in our libcf library, also netCDF.
+LDADD = ../src/libcf.la -lnetcdf 
+
+# If the user is building with netCDF-4, we also have to link to the
+# HDF5 high-level library, and the HDF5 library, and the zlib
+# compression library.
+if USE_NETCDF4
+LDADD += -lhdf5_hl -lhdf5 -lz
+endif # USE_NETCDF4
+
+# If the user specified a root location for NETCDF, use it.
+if USE_NETCDF_DIR
+AM_CPPFLAGS += -I at NETCDFDIR@/include
+AM_LDFLAGS += -L at NETCDFDIR@/lib
+endif
+
+# If the user specified a root location for HDF5, use it.
+if USE_HDF5_DIR
+AM_CPPFLAGS += -I at HDF5DIR@/include
+AM_LDFLAGS += -L at HDF5DIR@/lib
+endif
+
+EXTRA_DIST = tst_cfcheck.sh
+
+bin_PROGRAMS = cfcheck
+cfcheck_SOURCES = cfcheck.c
+
+TESTS = tst_cfcheck.sh
+
+CLEANFILES = useage.txt
\ No newline at end of file
diff --git a/cfcheck/Makefile.in b/cfcheck/Makefile.in
new file mode 100644
index 0000000..69ea17e
--- /dev/null
+++ b/cfcheck/Makefile.in
@@ -0,0 +1,593 @@
+# Makefile.in generated by automake 1.10.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+ at SET_MAKE@
+
+# This is part of the libcf library.
+
+# This automake file handles the building of cfcheck.
+
+# Ed Hartnett 11/23/06
+
+# $Id: Makefile.am,v 1.3 2007/05/27 06:56:11 ed Exp $
+
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
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+pkgincludedir = $(includedir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
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+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+
+# If the user is building with netCDF-4, we also have to link to the
+# HDF5 high-level library, and the HDF5 library, and the zlib
+# compression library.
+ at USE_NETCDF4_TRUE@am__append_1 = -lhdf5_hl -lhdf5 -lz
+
+# If the user specified a root location for NETCDF, use it.
+ at USE_NETCDF_DIR_TRUE@am__append_2 = -I at NETCDFDIR@/include
+ at USE_NETCDF_DIR_TRUE@am__append_3 = -L at NETCDFDIR@/lib
+
+# If the user specified a root location for HDF5, use it.
+ at USE_HDF5_DIR_TRUE@am__append_4 = -I at HDF5DIR@/include
+ at USE_HDF5_DIR_TRUE@am__append_5 = -L at HDF5DIR@/lib
+bin_PROGRAMS = cfcheck$(EXEEXT)
+subdir = cfcheck
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/m4/libtool.m4 \
+	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
+	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
+	$(top_srcdir)/acinclude.m4 $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
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+CONFIG_CLEAN_FILES =
+am__installdirs = "$(DESTDIR)$(bindir)"
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+	$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
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+	--mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \
+	$(LDFLAGS) -o $@
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+target_alias = @target_alias@
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+
+# Find libcf.h here.
+AM_CPPFLAGS = -I${top_srcdir}/src $(am__append_2) $(am__append_4)
+AM_LDFLAGS = $(am__append_3) $(am__append_5)
+
+# Link in our libcf library, also netCDF.
+LDADD = ../src/libcf.la -lnetcdf $(am__append_1)
+EXTRA_DIST = tst_cfcheck.sh
+cfcheck_SOURCES = cfcheck.c
+TESTS = tst_cfcheck.sh
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+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
+		&& exit 0; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign  cfcheck/Makefile'; \
+	cd $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign  cfcheck/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
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+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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+install-binPROGRAMS: $(bin_PROGRAMS)
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+	test -z "$(bindir)" || $(MKDIR_P) "$(DESTDIR)$(bindir)"
+	@list='$(bin_PROGRAMS)'; for p in $$list; do \
+	  p1=`echo $$p|sed 's/$(EXEEXT)$$//'`; \
+	  if test -f $$p \
+	     || test -f $$p1 \
+	  ; then \
+	    f=`echo "$$p1" | sed 's,^.*/,,;$(transform);s/$$/$(EXEEXT)/'`; \
+	   echo " $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(binPROGRAMS_INSTALL) '$$p' '$(DESTDIR)$(bindir)/$$f'"; \
+	   $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(binPROGRAMS_INSTALL) "$$p" "$(DESTDIR)$(bindir)/$$f" || exit 1; \
+	  else :; fi; \
+	done
+
+uninstall-binPROGRAMS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(bin_PROGRAMS)'; for p in $$list; do \
+	  f=`echo "$$p" | sed 's,^.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/'`; \
+	  echo " rm -f '$(DESTDIR)$(bindir)/$$f'"; \
+	  rm -f "$(DESTDIR)$(bindir)/$$f"; \
+	done
+
+clean-binPROGRAMS:
+	@list='$(bin_PROGRAMS)'; for p in $$list; do \
+	  f=`echo $$p|sed 's/$(EXEEXT)$$//'`; \
+	  echo " rm -f $$p $$f"; \
+	  rm -f $$p $$f ; \
+	done
+cfcheck$(EXEEXT): $(cfcheck_OBJECTS) $(cfcheck_DEPENDENCIES) 
+	@rm -f cfcheck$(EXEEXT)
+	$(LINK) $(cfcheck_OBJECTS) $(cfcheck_LDADD) $(LIBS)
+
+mostlyclean-compile:
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+
+distclean-compile:
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+ at AMDEP_TRUE@@am__include@ @am__quote at ./$(DEPDIR)/cfcheck.Po at am__quote@
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+ at am__fastdepCC_FALSE@	$(LTCOMPILE) -c -o $@ $<
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+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
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+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonemtpy = 1; } \
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+	mkid -fID $$unique
+tags: TAGS
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+TAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	tags=; \
+	here=`pwd`; \
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
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+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
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+		$(TAGS_FILES) $(LISP)
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+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
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+	     $$tags $$unique
+
+GTAGS:
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+	  && cd $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) $$here
+
+distclean-tags:
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+check-TESTS: $(TESTS)
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+	srcdir=$(srcdir); export srcdir; \
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+	if test -n "$$list"; then \
+	  for tst in $$list; do \
+	    if test -f ./$$tst; then dir=./; \
+	    elif test -f $$tst; then dir=; \
+	    else dir="$(srcdir)/"; fi; \
+	    if $(TESTS_ENVIRONMENT) $${dir}$$tst; then \
+	      all=`expr $$all + 1`; \
+	      case " $(XFAIL_TESTS) " in \
+	      *$$ws$$tst$$ws*) \
+		xpass=`expr $$xpass + 1`; \
+		failed=`expr $$failed + 1`; \
+		echo "XPASS: $$tst"; \
+	      ;; \
+	      *) \
+		echo "PASS: $$tst"; \
+	      ;; \
+	      esac; \
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+	      all=`expr $$all + 1`; \
+	      case " $(XFAIL_TESTS) " in \
+	      *$$ws$$tst$$ws*) \
+		xfail=`expr $$xfail + 1`; \
+		echo "XFAIL: $$tst"; \
+	      ;; \
+	      *) \
+		failed=`expr $$failed + 1`; \
+		echo "FAIL: $$tst"; \
+	      ;; \
+	      esac; \
+	    else \
+	      skip=`expr $$skip + 1`; \
+	      echo "SKIP: $$tst"; \
+	    fi; \
+	  done; \
+	  if test "$$failed" -eq 0; then \
+	    if test "$$xfail" -eq 0; then \
+	      banner="All $$all tests passed"; \
+	    else \
+	      banner="All $$all tests behaved as expected ($$xfail expected failures)"; \
+	    fi; \
+	  else \
+	    if test "$$xpass" -eq 0; then \
+	      banner="$$failed of $$all tests failed"; \
+	    else \
+	      banner="$$failed of $$all tests did not behave as expected ($$xpass unexpected passes)"; \
+	    fi; \
+	  fi; \
+	  dashes="$$banner"; \
+	  skipped=""; \
+	  if test "$$skip" -ne 0; then \
+	    skipped="($$skip tests were not run)"; \
+	    test `echo "$$skipped" | wc -c` -le `echo "$$banner" | wc -c` || \
+	      dashes="$$skipped"; \
+	  fi; \
+	  report=""; \
+	  if test "$$failed" -ne 0 && test -n "$(PACKAGE_BUGREPORT)"; then \
+	    report="Please report to $(PACKAGE_BUGREPORT)"; \
+	    test `echo "$$report" | wc -c` -le `echo "$$banner" | wc -c` || \
+	      dashes="$$report"; \
+	  fi; \
+	  dashes=`echo "$$dashes" | sed s/./=/g`; \
+	  echo "$$dashes"; \
+	  echo "$$banner"; \
+	  test -z "$$skipped" || echo "$$skipped"; \
+	  test -z "$$report" || echo "$$report"; \
+	  echo "$$dashes"; \
+	  test "$$failed" -eq 0; \
+	else :; fi
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -pR $(srcdir)/$$file $(distdir)$$dir || exit 1; \
+	    fi; \
+	    cp -pR $$d/$$file $(distdir)$$dir || exit 1; \
+	  else \
+	    test -f $(distdir)/$$file \
+	    || cp -p $$d/$$file $(distdir)/$$file \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+	$(MAKE) $(AM_MAKEFLAGS) check-TESTS
+check: check-am
+all-am: Makefile $(PROGRAMS)
+installdirs:
+	for dir in "$(DESTDIR)$(bindir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+	-test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-binPROGRAMS clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-exec-am: install-binPROGRAMS
+
+install-html: install-html-am
+
+install-info: install-info-am
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-ps: install-ps-am
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-binPROGRAMS
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-TESTS check-am clean \
+	clean-binPROGRAMS clean-generic clean-libtool ctags distclean \
+	distclean-compile distclean-generic distclean-libtool \
+	distclean-tags distdir dvi dvi-am html html-am info info-am \
+	install install-am install-binPROGRAMS install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-pdf install-pdf-am \
+	install-ps install-ps-am install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags uninstall uninstall-am uninstall-binPROGRAMS
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/cfcheck/cfcheck.c b/cfcheck/cfcheck.c
new file mode 100644
index 0000000..c38f184
--- /dev/null
+++ b/cfcheck/cfcheck.c
@@ -0,0 +1,87 @@
+/* Copyright 2006, Unidata/UCAR. See COPYRIGHT file for more
+   details. 
+
+   This program checks a netCDF file to see how well it complies with
+   the CF Metadata conventions.
+
+   Ed Hartnett, 11/23/06
+
+   $Id: cfcheck.c,v 1.2 2006/11/26 11:45:09 ed Exp $
+*/
+
+#include <config.h>
+#include <stdio.h>
+#include <unistd.h> /* for getopt */
+#include <netcdf.h>
+#include <libcf.h>
+
+/* This struct is used to keep track of user options from the command
+ * line. */
+typedef struct
+{
+      int verbose;
+} OPTIONS_T;
+
+/* This is a message to the user about how to use cfcheck. */
+#define USAGE   "\
+  file             Name of netCDF file\n"
+
+/* This prints out a helpful message to the user when they screw up or
+ * are confused and ask for help. */
+static void
+usage()
+{
+   fprintf(stderr, "cfcheck file\n%s", USAGE);
+   fprintf(stderr, "netcdf library version %s\n", nc_inq_libvers());
+}
+
+/* This function checks one file for cf conventions. */
+static int
+do_cfcheck(char *filename, OPTIONS_T *options)
+{
+   printf("Checking CF conventions for file %s.\n", filename);
+   return CF_NOERR;
+}
+
+int 
+main(int argc, char** argv)
+{
+   extern int optind;
+   extern int opterr;
+   extern char *optarg;
+   char c;
+   OPTIONS_T options;
+   int i;
+
+   /* If the user called ncdump without arguments, print the usage
+    * message and return peacefully. */
+   if (argc <= 1)
+   {
+      usage();
+      return 0;
+   }
+
+   /* See what options the user wants, and set flags in the OPTIONS_T
+    * stuct. */
+   while ((c = getopt(argc, argv, "?:v")) != EOF)
+   {
+      switch(c) 
+      {
+	 case '?':
+	    usage();
+	    return 0;
+	 case 'v':
+	    options.verbose = 1;
+	    return 0;
+      }
+      argc -= optind;
+      argv += optind;
+   }
+
+   /* Check each file in turn. */
+   for (i = 1; i < argc; i++)
+      if (argc > 0) 
+	 do_cfcheck(argv[i], &options);
+
+   return CF_NOERR;
+}
diff --git a/cfcheck/tst_cfcheck.sh b/cfcheck/tst_cfcheck.sh
new file mode 100755
index 0000000..17981d3
--- /dev/null
+++ b/cfcheck/tst_cfcheck.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+# Copyright 2006, Unidata/UCAR. See COPYRIGHT file.
+
+# This is part of the libcf library.
+
+# This shell script runs the cfcheck tests.
+
+# Ed Hartnett, 11/23/06
+
+# $Id: tst_cfcheck.sh,v 1.2 2006/11/26 11:45:09 ed Exp $
+
+set -e
+echo ""
+echo "*** Testing cfcheck."
+
+echo "*** testing that useage works..."
+./cfcheck &> useage.txt
+#diff -w usage.txt ref_usage.txt
+
+echo "*** All tests of cfcheck passed!"
+exit 0
diff --git a/compile b/compile
new file mode 100755
index 0000000..1b1d232
--- /dev/null
+++ b/compile
@@ -0,0 +1,142 @@
+#! /bin/sh
+# Wrapper for compilers which do not understand `-c -o'.
+
+scriptversion=2005-05-14.22
+
+# Copyright (C) 1999, 2000, 2003, 2004, 2005 Free Software Foundation, Inc.
+# Written by Tom Tromey <tromey at cygnus.com>.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# This file is maintained in Automake, please report
+# bugs to <bug-automake at gnu.org> or send patches to
+# <automake-patches at gnu.org>.
+
+case $1 in
+  '')
+     echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
+     exit 1;
+     ;;
+  -h | --h*)
+    cat <<\EOF
+Usage: compile [--help] [--version] PROGRAM [ARGS]
+
+Wrapper for compilers which do not understand `-c -o'.
+Remove `-o dest.o' from ARGS, run PROGRAM with the remaining
+arguments, and rename the output as expected.
+
+If you are trying to build a whole package this is not the
+right script to run: please start by reading the file `INSTALL'.
+
+Report bugs to <bug-automake at gnu.org>.
+EOF
+    exit $?
+    ;;
+  -v | --v*)
+    echo "compile $scriptversion"
+    exit $?
+    ;;
+esac
+
+ofile=
+cfile=
+eat=
+
+for arg
+do
+  if test -n "$eat"; then
+    eat=
+  else
+    case $1 in
+      -o)
+	# configure might choose to run compile as `compile cc -o foo foo.c'.
+	# So we strip `-o arg' only if arg is an object.
+	eat=1
+	case $2 in
+	  *.o | *.obj)
+	    ofile=$2
+	    ;;
+	  *)
+	    set x "$@" -o "$2"
+	    shift
+	    ;;
+	esac
+	;;
+      *.c)
+	cfile=$1
+	set x "$@" "$1"
+	shift
+	;;
+      *)
+	set x "$@" "$1"
+	shift
+	;;
+    esac
+  fi
+  shift
+done
+
+if test -z "$ofile" || test -z "$cfile"; then
+  # If no `-o' option was seen then we might have been invoked from a
+  # pattern rule where we don't need one.  That is ok -- this is a
+  # normal compilation that the losing compiler can handle.  If no
+  # `.c' file was seen then we are probably linking.  That is also
+  # ok.
+  exec "$@"
+fi
+
+# Name of file we expect compiler to create.
+cofile=`echo "$cfile" | sed -e 's|^.*/||' -e 's/\.c$/.o/'`
+
+# Create the lock directory.
+# Note: use `[/.-]' here to ensure that we don't use the same name
+# that we are using for the .o file.  Also, base the name on the expected
+# object file name, since that is what matters with a parallel build.
+lockdir=`echo "$cofile" | sed -e 's|[/.-]|_|g'`.d
+while true; do
+  if mkdir "$lockdir" >/dev/null 2>&1; then
+    break
+  fi
+  sleep 1
+done
+# FIXME: race condition here if user kills between mkdir and trap.
+trap "rmdir '$lockdir'; exit 1" 1 2 15
+
+# Run the compile.
+"$@"
+ret=$?
+
+if test -f "$cofile"; then
+  mv "$cofile" "$ofile"
+elif test -f "${cofile}bj"; then
+  mv "${cofile}bj" "$ofile"
+fi
+
+rmdir "$lockdir"
+exit $ret
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-end: "$"
+# End:
diff --git a/config.guess b/config.guess
new file mode 100755
index 0000000..ca2a03c
--- /dev/null
+++ b/config.guess
@@ -0,0 +1,1526 @@
+#! /bin/sh
+# Attempt to guess a canonical system name.
+#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+#   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+#   Free Software Foundation, Inc.
+
+timestamp='2008-01-08'
+
+# This file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+# 02110-1301, USA.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+
+# Originally written by Per Bothner <per at bothner.com>.
+# Please send patches to <config-patches at gnu.org>.  Submit a context
+# diff and a properly formatted ChangeLog entry.
+#
+# This script attempts to guess a canonical system name similar to
+# config.sub.  If it succeeds, it prints the system name on stdout, and
+# exits with 0.  Otherwise, it exits with 1.
+#
+# The plan is that this can be called by configure scripts if you
+# don't specify an explicit build system type.
+
+me=`echo "$0" | sed -e 's,.*/,,'`
+
+usage="\
+Usage: $0 [OPTION]
+
+Output the configuration name of the system \`$me' is run on.
+
+Operation modes:
+  -h, --help         print this help, then exit
+  -t, --time-stamp   print date of last modification, then exit
+  -v, --version      print version number, then exit
+
+Report bugs and patches to <config-patches at gnu.org>."
+
+version="\
+GNU config.guess ($timestamp)
+
+Originally written by Per Bothner.
+Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
+2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+
+This is free software; see the source for copying conditions.  There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
+
+help="
+Try \`$me --help' for more information."
+
+# Parse command line
+while test $# -gt 0 ; do
+  case $1 in
+    --time-stamp | --time* | -t )
+       echo "$timestamp" ; exit ;;
+    --version | -v )
+       echo "$version" ; exit ;;
+    --help | --h* | -h )
+       echo "$usage"; exit ;;
+    -- )     # Stop option processing
+       shift; break ;;
+    - )	# Use stdin as input.
+       break ;;
+    -* )
+       echo "$me: invalid option $1$help" >&2
+       exit 1 ;;
+    * )
+       break ;;
+  esac
+done
+
+if test $# != 0; then
+  echo "$me: too many arguments$help" >&2
+  exit 1
+fi
+
+trap 'exit 1' 1 2 15
+
+# CC_FOR_BUILD -- compiler used by this script. Note that the use of a
+# compiler to aid in system detection is discouraged as it requires
+# temporary files to be created and, as you can see below, it is a
+# headache to deal with in a portable fashion.
+
+# Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. We still
+# use `HOST_CC' if defined, but it is deprecated.
+
+# Portable tmp directory creation inspired by the Autoconf team.
+
+set_cc_for_build='
+trap "exitcode=\$?; (rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null) && exit \$exitcode" 0 ;
+trap "rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null; exit 1" 1 2 13 15 ;
+: ${TMPDIR=/tmp} ;
+ { tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } ||
+ { test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir $tmp) ; } ||
+ { tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir $tmp) && echo "Warning: creating insecure temp directory" >&2 ; } ||
+ { echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; } ;
+dummy=$tmp/dummy ;
+tmpfiles="$dummy.c $dummy.o $dummy.rel $dummy" ;
+case $CC_FOR_BUILD,$HOST_CC,$CC in
+ ,,)    echo "int x;" > $dummy.c ;
+	for c in cc gcc c89 c99 ; do
+	  if ($c -c -o $dummy.o $dummy.c) >/dev/null 2>&1 ; then
+	     CC_FOR_BUILD="$c"; break ;
+	  fi ;
+	done ;
+	if test x"$CC_FOR_BUILD" = x ; then
+	  CC_FOR_BUILD=no_compiler_found ;
+	fi
+	;;
+ ,,*)   CC_FOR_BUILD=$CC ;;
+ ,*,*)  CC_FOR_BUILD=$HOST_CC ;;
+esac ; set_cc_for_build= ;'
+
+# This is needed to find uname on a Pyramid OSx when run in the BSD universe.
+# (ghazi at noc.rutgers.edu 1994-08-24)
+if (test -f /.attbin/uname) >/dev/null 2>&1 ; then
+	PATH=$PATH:/.attbin ; export PATH
+fi
+
+UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown
+UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown
+UNAME_SYSTEM=`(uname -s) 2>/dev/null`  || UNAME_SYSTEM=unknown
+UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown
+
+# Note: order is significant - the case branches are not exclusive.
+
+case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
+    *:NetBSD:*:*)
+	# NetBSD (nbsd) targets should (where applicable) match one or
+	# more of the tupples: *-*-netbsdelf*, *-*-netbsdaout*,
+	# *-*-netbsdecoff* and *-*-netbsd*.  For targets that recently
+	# switched to ELF, *-*-netbsd* would select the old
+	# object file format.  This provides both forward
+	# compatibility and a consistent mechanism for selecting the
+	# object file format.
+	#
+	# Note: NetBSD doesn't particularly care about the vendor
+	# portion of the name.  We always set it to "unknown".
+	sysctl="sysctl -n hw.machine_arch"
+	UNAME_MACHINE_ARCH=`(/sbin/$sysctl 2>/dev/null || \
+	    /usr/sbin/$sysctl 2>/dev/null || echo unknown)`
+	case "${UNAME_MACHINE_ARCH}" in
+	    armeb) machine=armeb-unknown ;;
+	    arm*) machine=arm-unknown ;;
+	    sh3el) machine=shl-unknown ;;
+	    sh3eb) machine=sh-unknown ;;
+	    sh5el) machine=sh5le-unknown ;;
+	    *) machine=${UNAME_MACHINE_ARCH}-unknown ;;
+	esac
+	# The Operating System including object format, if it has switched
+	# to ELF recently, or will in the future.
+	case "${UNAME_MACHINE_ARCH}" in
+	    arm*|i386|m68k|ns32k|sh3*|sparc|vax)
+		eval $set_cc_for_build
+		if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
+			| grep __ELF__ >/dev/null
+		then
+		    # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout).
+		    # Return netbsd for either.  FIX?
+		    os=netbsd
+		else
+		    os=netbsdelf
+		fi
+		;;
+	    *)
+	        os=netbsd
+		;;
+	esac
+	# The OS release
+	# Debian GNU/NetBSD machines have a different userland, and
+	# thus, need a distinct triplet. However, they do not need
+	# kernel version information, so it can be replaced with a
+	# suitable tag, in the style of linux-gnu.
+	case "${UNAME_VERSION}" in
+	    Debian*)
+		release='-gnu'
+		;;
+	    *)
+		release=`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
+		;;
+	esac
+	# Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM:
+	# contains redundant information, the shorter form:
+	# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
+	echo "${machine}-${os}${release}"
+	exit ;;
+    *:OpenBSD:*:*)
+	UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'`
+	echo ${UNAME_MACHINE_ARCH}-unknown-openbsd${UNAME_RELEASE}
+	exit ;;
+    *:ekkoBSD:*:*)
+	echo ${UNAME_MACHINE}-unknown-ekkobsd${UNAME_RELEASE}
+	exit ;;
+    *:SolidBSD:*:*)
+	echo ${UNAME_MACHINE}-unknown-solidbsd${UNAME_RELEASE}
+	exit ;;
+    macppc:MirBSD:*:*)
+	echo powerpc-unknown-mirbsd${UNAME_RELEASE}
+	exit ;;
+    *:MirBSD:*:*)
+	echo ${UNAME_MACHINE}-unknown-mirbsd${UNAME_RELEASE}
+	exit ;;
+    alpha:OSF1:*:*)
+	case $UNAME_RELEASE in
+	*4.0)
+		UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'`
+		;;
+	*5.*)
+	        UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'`
+		;;
+	esac
+	# According to Compaq, /usr/sbin/psrinfo has been available on
+	# OSF/1 and Tru64 systems produced since 1995.  I hope that
+	# covers most systems running today.  This code pipes the CPU
+	# types through head -n 1, so we only detect the type of CPU 0.
+	ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^  The alpha \(.*\) processor.*$/\1/p' | head -n 1`
+	case "$ALPHA_CPU_TYPE" in
+	    "EV4 (21064)")
+		UNAME_MACHINE="alpha" ;;
+	    "EV4.5 (21064)")
+		UNAME_MACHINE="alpha" ;;
+	    "LCA4 (21066/21068)")
+		UNAME_MACHINE="alpha" ;;
+	    "EV5 (21164)")
+		UNAME_MACHINE="alphaev5" ;;
+	    "EV5.6 (21164A)")
+		UNAME_MACHINE="alphaev56" ;;
+	    "EV5.6 (21164PC)")
+		UNAME_MACHINE="alphapca56" ;;
+	    "EV5.7 (21164PC)")
+		UNAME_MACHINE="alphapca57" ;;
+	    "EV6 (21264)")
+		UNAME_MACHINE="alphaev6" ;;
+	    "EV6.7 (21264A)")
+		UNAME_MACHINE="alphaev67" ;;
+	    "EV6.8CB (21264C)")
+		UNAME_MACHINE="alphaev68" ;;
+	    "EV6.8AL (21264B)")
+		UNAME_MACHINE="alphaev68" ;;
+	    "EV6.8CX (21264D)")
+		UNAME_MACHINE="alphaev68" ;;
+	    "EV6.9A (21264/EV69A)")
+		UNAME_MACHINE="alphaev69" ;;
+	    "EV7 (21364)")
+		UNAME_MACHINE="alphaev7" ;;
+	    "EV7.9 (21364A)")
+		UNAME_MACHINE="alphaev79" ;;
+	esac
+	# A Pn.n version is a patched version.
+	# A Vn.n version is a released version.
+	# A Tn.n version is a released field test version.
+	# A Xn.n version is an unreleased experimental baselevel.
+	# 1.2 uses "1.2" for uname -r.
+	echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[PVTX]//' | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
+	exit ;;
+    Alpha\ *:Windows_NT*:*)
+	# How do we know it's Interix rather than the generic POSIX subsystem?
+	# Should we change UNAME_MACHINE based on the output of uname instead
+	# of the specific Alpha model?
+	echo alpha-pc-interix
+	exit ;;
+    21064:Windows_NT:50:3)
+	echo alpha-dec-winnt3.5
+	exit ;;
+    Amiga*:UNIX_System_V:4.0:*)
+	echo m68k-unknown-sysv4
+	exit ;;
+    *:[Aa]miga[Oo][Ss]:*:*)
+	echo ${UNAME_MACHINE}-unknown-amigaos
+	exit ;;
+    *:[Mm]orph[Oo][Ss]:*:*)
+	echo ${UNAME_MACHINE}-unknown-morphos
+	exit ;;
+    *:OS/390:*:*)
+	echo i370-ibm-openedition
+	exit ;;
+    *:z/VM:*:*)
+	echo s390-ibm-zvmoe
+	exit ;;
+    *:OS400:*:*)
+        echo powerpc-ibm-os400
+	exit ;;
+    arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
+	echo arm-acorn-riscix${UNAME_RELEASE}
+	exit ;;
+    arm:riscos:*:*|arm:RISCOS:*:*)
+	echo arm-unknown-riscos
+	exit ;;
+    SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*)
+	echo hppa1.1-hitachi-hiuxmpp
+	exit ;;
+    Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*)
+	# akee at wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE.
+	if test "`(/bin/universe) 2>/dev/null`" = att ; then
+		echo pyramid-pyramid-sysv3
+	else
+		echo pyramid-pyramid-bsd
+	fi
+	exit ;;
+    NILE*:*:*:dcosx)
+	echo pyramid-pyramid-svr4
+	exit ;;
+    DRS?6000:unix:4.0:6*)
+	echo sparc-icl-nx6
+	exit ;;
+    DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*)
+	case `/usr/bin/uname -p` in
+	    sparc) echo sparc-icl-nx7; exit ;;
+	esac ;;
+    sun4H:SunOS:5.*:*)
+	echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	exit ;;
+    sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
+	echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	exit ;;
+    i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*)
+	echo i386-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	exit ;;
+    sun4*:SunOS:6*:*)
+	# According to config.sub, this is the proper way to canonicalize
+	# SunOS6.  Hard to guess exactly what SunOS6 will be like, but
+	# it's likely to be more like Solaris than SunOS4.
+	echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	exit ;;
+    sun4*:SunOS:*:*)
+	case "`/usr/bin/arch -k`" in
+	    Series*|S4*)
+		UNAME_RELEASE=`uname -v`
+		;;
+	esac
+	# Japanese Language versions have a version number like `4.1.3-JL'.
+	echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'`
+	exit ;;
+    sun3*:SunOS:*:*)
+	echo m68k-sun-sunos${UNAME_RELEASE}
+	exit ;;
+    sun*:*:4.2BSD:*)
+	UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null`
+	test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3
+	case "`/bin/arch`" in
+	    sun3)
+		echo m68k-sun-sunos${UNAME_RELEASE}
+		;;
+	    sun4)
+		echo sparc-sun-sunos${UNAME_RELEASE}
+		;;
+	esac
+	exit ;;
+    aushp:SunOS:*:*)
+	echo sparc-auspex-sunos${UNAME_RELEASE}
+	exit ;;
+    # The situation for MiNT is a little confusing.  The machine name
+    # can be virtually everything (everything which is not
+    # "atarist" or "atariste" at least should have a processor
+    # > m68000).  The system name ranges from "MiNT" over "FreeMiNT"
+    # to the lowercase version "mint" (or "freemint").  Finally
+    # the system name "TOS" denotes a system which is actually not
+    # MiNT.  But MiNT is downward compatible to TOS, so this should
+    # be no problem.
+    atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*)
+        echo m68k-atari-mint${UNAME_RELEASE}
+	exit ;;
+    atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*)
+	echo m68k-atari-mint${UNAME_RELEASE}
+        exit ;;
+    *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*)
+        echo m68k-atari-mint${UNAME_RELEASE}
+	exit ;;
+    milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*)
+        echo m68k-milan-mint${UNAME_RELEASE}
+        exit ;;
+    hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*)
+        echo m68k-hades-mint${UNAME_RELEASE}
+        exit ;;
+    *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*)
+        echo m68k-unknown-mint${UNAME_RELEASE}
+        exit ;;
+    m68k:machten:*:*)
+	echo m68k-apple-machten${UNAME_RELEASE}
+	exit ;;
+    powerpc:machten:*:*)
+	echo powerpc-apple-machten${UNAME_RELEASE}
+	exit ;;
+    RISC*:Mach:*:*)
+	echo mips-dec-mach_bsd4.3
+	exit ;;
+    RISC*:ULTRIX:*:*)
+	echo mips-dec-ultrix${UNAME_RELEASE}
+	exit ;;
+    VAX*:ULTRIX*:*:*)
+	echo vax-dec-ultrix${UNAME_RELEASE}
+	exit ;;
+    2020:CLIX:*:* | 2430:CLIX:*:*)
+	echo clipper-intergraph-clix${UNAME_RELEASE}
+	exit ;;
+    mips:*:*:UMIPS | mips:*:*:RISCos)
+	eval $set_cc_for_build
+	sed 's/^	//' << EOF >$dummy.c
+#ifdef __cplusplus
+#include <stdio.h>  /* for printf() prototype */
+	int main (int argc, char *argv[]) {
+#else
+	int main (argc, argv) int argc; char *argv[]; {
+#endif
+	#if defined (host_mips) && defined (MIPSEB)
+	#if defined (SYSTYPE_SYSV)
+	  printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0);
+	#endif
+	#if defined (SYSTYPE_SVR4)
+	  printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0);
+	#endif
+	#if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD)
+	  printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0);
+	#endif
+	#endif
+	  exit (-1);
+	}
+EOF
+	$CC_FOR_BUILD -o $dummy $dummy.c &&
+	  dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` &&
+	  SYSTEM_NAME=`$dummy $dummyarg` &&
+	    { echo "$SYSTEM_NAME"; exit; }
+	echo mips-mips-riscos${UNAME_RELEASE}
+	exit ;;
+    Motorola:PowerMAX_OS:*:*)
+	echo powerpc-motorola-powermax
+	exit ;;
+    Motorola:*:4.3:PL8-*)
+	echo powerpc-harris-powermax
+	exit ;;
+    Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*)
+	echo powerpc-harris-powermax
+	exit ;;
+    Night_Hawk:Power_UNIX:*:*)
+	echo powerpc-harris-powerunix
+	exit ;;
+    m88k:CX/UX:7*:*)
+	echo m88k-harris-cxux7
+	exit ;;
+    m88k:*:4*:R4*)
+	echo m88k-motorola-sysv4
+	exit ;;
+    m88k:*:3*:R3*)
+	echo m88k-motorola-sysv3
+	exit ;;
+    AViiON:dgux:*:*)
+        # DG/UX returns AViiON for all architectures
+        UNAME_PROCESSOR=`/usr/bin/uname -p`
+	if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ]
+	then
+	    if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \
+	       [ ${TARGET_BINARY_INTERFACE}x = x ]
+	    then
+		echo m88k-dg-dgux${UNAME_RELEASE}
+	    else
+		echo m88k-dg-dguxbcs${UNAME_RELEASE}
+	    fi
+	else
+	    echo i586-dg-dgux${UNAME_RELEASE}
+	fi
+ 	exit ;;
+    M88*:DolphinOS:*:*)	# DolphinOS (SVR3)
+	echo m88k-dolphin-sysv3
+	exit ;;
+    M88*:*:R3*:*)
+	# Delta 88k system running SVR3
+	echo m88k-motorola-sysv3
+	exit ;;
+    XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3)
+	echo m88k-tektronix-sysv3
+	exit ;;
+    Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD)
+	echo m68k-tektronix-bsd
+	exit ;;
+    *:IRIX*:*:*)
+	echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'`
+	exit ;;
+    ????????:AIX?:[12].1:2)   # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX.
+	echo romp-ibm-aix     # uname -m gives an 8 hex-code CPU id
+	exit ;;               # Note that: echo "'`uname -s`'" gives 'AIX '
+    i*86:AIX:*:*)
+	echo i386-ibm-aix
+	exit ;;
+    ia64:AIX:*:*)
+	if [ -x /usr/bin/oslevel ] ; then
+		IBM_REV=`/usr/bin/oslevel`
+	else
+		IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
+	fi
+	echo ${UNAME_MACHINE}-ibm-aix${IBM_REV}
+	exit ;;
+    *:AIX:2:3)
+	if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
+		eval $set_cc_for_build
+		sed 's/^		//' << EOF >$dummy.c
+		#include <sys/systemcfg.h>
+
+		main()
+			{
+			if (!__power_pc())
+				exit(1);
+			puts("powerpc-ibm-aix3.2.5");
+			exit(0);
+			}
+EOF
+		if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy`
+		then
+			echo "$SYSTEM_NAME"
+		else
+			echo rs6000-ibm-aix3.2.5
+		fi
+	elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then
+		echo rs6000-ibm-aix3.2.4
+	else
+		echo rs6000-ibm-aix3.2
+	fi
+	exit ;;
+    *:AIX:*:[456])
+	IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'`
+	if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then
+		IBM_ARCH=rs6000
+	else
+		IBM_ARCH=powerpc
+	fi
+	if [ -x /usr/bin/oslevel ] ; then
+		IBM_REV=`/usr/bin/oslevel`
+	else
+		IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
+	fi
+	echo ${IBM_ARCH}-ibm-aix${IBM_REV}
+	exit ;;
+    *:AIX:*:*)
+	echo rs6000-ibm-aix
+	exit ;;
+    ibmrt:4.4BSD:*|romp-ibm:BSD:*)
+	echo romp-ibm-bsd4.4
+	exit ;;
+    ibmrt:*BSD:*|romp-ibm:BSD:*)            # covers RT/PC BSD and
+	echo romp-ibm-bsd${UNAME_RELEASE}   # 4.3 with uname added to
+	exit ;;                             # report: romp-ibm BSD 4.3
+    *:BOSX:*:*)
+	echo rs6000-bull-bosx
+	exit ;;
+    DPX/2?00:B.O.S.:*:*)
+	echo m68k-bull-sysv3
+	exit ;;
+    9000/[34]??:4.3bsd:1.*:*)
+	echo m68k-hp-bsd
+	exit ;;
+    hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*)
+	echo m68k-hp-bsd4.4
+	exit ;;
+    9000/[34678]??:HP-UX:*:*)
+	HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
+	case "${UNAME_MACHINE}" in
+	    9000/31? )            HP_ARCH=m68000 ;;
+	    9000/[34]?? )         HP_ARCH=m68k ;;
+	    9000/[678][0-9][0-9])
+		if [ -x /usr/bin/getconf ]; then
+		    sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null`
+                    sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null`
+                    case "${sc_cpu_version}" in
+                      523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0
+                      528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1
+                      532)                      # CPU_PA_RISC2_0
+                        case "${sc_kernel_bits}" in
+                          32) HP_ARCH="hppa2.0n" ;;
+                          64) HP_ARCH="hppa2.0w" ;;
+			  '') HP_ARCH="hppa2.0" ;;   # HP-UX 10.20
+                        esac ;;
+                    esac
+		fi
+		if [ "${HP_ARCH}" = "" ]; then
+		    eval $set_cc_for_build
+		    sed 's/^              //' << EOF >$dummy.c
+
+              #define _HPUX_SOURCE
+              #include <stdlib.h>
+              #include <unistd.h>
+
+              int main ()
+              {
+              #if defined(_SC_KERNEL_BITS)
+                  long bits = sysconf(_SC_KERNEL_BITS);
+              #endif
+                  long cpu  = sysconf (_SC_CPU_VERSION);
+
+                  switch (cpu)
+              	{
+              	case CPU_PA_RISC1_0: puts ("hppa1.0"); break;
+              	case CPU_PA_RISC1_1: puts ("hppa1.1"); break;
+              	case CPU_PA_RISC2_0:
+              #if defined(_SC_KERNEL_BITS)
+              	    switch (bits)
+              		{
+              		case 64: puts ("hppa2.0w"); break;
+              		case 32: puts ("hppa2.0n"); break;
+              		default: puts ("hppa2.0"); break;
+              		} break;
+              #else  /* !defined(_SC_KERNEL_BITS) */
+              	    puts ("hppa2.0"); break;
+              #endif
+              	default: puts ("hppa1.0"); break;
+              	}
+                  exit (0);
+              }
+EOF
+		    (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy`
+		    test -z "$HP_ARCH" && HP_ARCH=hppa
+		fi ;;
+	esac
+	if [ ${HP_ARCH} = "hppa2.0w" ]
+	then
+	    eval $set_cc_for_build
+
+	    # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating
+	    # 32-bit code.  hppa64-hp-hpux* has the same kernel and a compiler
+	    # generating 64-bit code.  GNU and HP use different nomenclature:
+	    #
+	    # $ CC_FOR_BUILD=cc ./config.guess
+	    # => hppa2.0w-hp-hpux11.23
+	    # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess
+	    # => hppa64-hp-hpux11.23
+
+	    if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) |
+		grep __LP64__ >/dev/null
+	    then
+		HP_ARCH="hppa2.0w"
+	    else
+		HP_ARCH="hppa64"
+	    fi
+	fi
+	echo ${HP_ARCH}-hp-hpux${HPUX_REV}
+	exit ;;
+    ia64:HP-UX:*:*)
+	HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
+	echo ia64-hp-hpux${HPUX_REV}
+	exit ;;
+    3050*:HI-UX:*:*)
+	eval $set_cc_for_build
+	sed 's/^	//' << EOF >$dummy.c
+	#include <unistd.h>
+	int
+	main ()
+	{
+	  long cpu = sysconf (_SC_CPU_VERSION);
+	  /* The order matters, because CPU_IS_HP_MC68K erroneously returns
+	     true for CPU_PA_RISC1_0.  CPU_IS_PA_RISC returns correct
+	     results, however.  */
+	  if (CPU_IS_PA_RISC (cpu))
+	    {
+	      switch (cpu)
+		{
+		  case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break;
+		  case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break;
+		  case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break;
+		  default: puts ("hppa-hitachi-hiuxwe2"); break;
+		}
+	    }
+	  else if (CPU_IS_HP_MC68K (cpu))
+	    puts ("m68k-hitachi-hiuxwe2");
+	  else puts ("unknown-hitachi-hiuxwe2");
+	  exit (0);
+	}
+EOF
+	$CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` &&
+		{ echo "$SYSTEM_NAME"; exit; }
+	echo unknown-hitachi-hiuxwe2
+	exit ;;
+    9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* )
+	echo hppa1.1-hp-bsd
+	exit ;;
+    9000/8??:4.3bsd:*:*)
+	echo hppa1.0-hp-bsd
+	exit ;;
+    *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*)
+	echo hppa1.0-hp-mpeix
+	exit ;;
+    hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* )
+	echo hppa1.1-hp-osf
+	exit ;;
+    hp8??:OSF1:*:*)
+	echo hppa1.0-hp-osf
+	exit ;;
+    i*86:OSF1:*:*)
+	if [ -x /usr/sbin/sysversion ] ; then
+	    echo ${UNAME_MACHINE}-unknown-osf1mk
+	else
+	    echo ${UNAME_MACHINE}-unknown-osf1
+	fi
+	exit ;;
+    parisc*:Lites*:*:*)
+	echo hppa1.1-hp-lites
+	exit ;;
+    C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*)
+	echo c1-convex-bsd
+        exit ;;
+    C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*)
+	if getsysinfo -f scalar_acc
+	then echo c32-convex-bsd
+	else echo c2-convex-bsd
+	fi
+        exit ;;
+    C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*)
+	echo c34-convex-bsd
+        exit ;;
+    C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*)
+	echo c38-convex-bsd
+        exit ;;
+    C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*)
+	echo c4-convex-bsd
+        exit ;;
+    CRAY*Y-MP:*:*:*)
+	echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+	exit ;;
+    CRAY*[A-Z]90:*:*:*)
+	echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \
+	| sed -e 's/CRAY.*\([A-Z]90\)/\1/' \
+	      -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \
+	      -e 's/\.[^.]*$/.X/'
+	exit ;;
+    CRAY*TS:*:*:*)
+	echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+	exit ;;
+    CRAY*T3E:*:*:*)
+	echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+	exit ;;
+    CRAY*SV1:*:*:*)
+	echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+	exit ;;
+    *:UNICOS/mp:*:*)
+	echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+	exit ;;
+    F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*)
+	FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
+        FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
+        FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'`
+        echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
+        exit ;;
+    5000:UNIX_System_V:4.*:*)
+        FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
+        FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'`
+        echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
+	exit ;;
+    i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*)
+	echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE}
+	exit ;;
+    sparc*:BSD/OS:*:*)
+	echo sparc-unknown-bsdi${UNAME_RELEASE}
+	exit ;;
+    *:BSD/OS:*:*)
+	echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE}
+	exit ;;
+    *:FreeBSD:*:*)
+	case ${UNAME_MACHINE} in
+	    pc98)
+		echo i386-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
+	    amd64)
+		echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
+	    *)
+		echo ${UNAME_MACHINE}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
+	esac
+	exit ;;
+    i*:CYGWIN*:*)
+	echo ${UNAME_MACHINE}-pc-cygwin
+	exit ;;
+    *:MINGW*:*)
+	echo ${UNAME_MACHINE}-pc-mingw32
+	exit ;;
+    i*:windows32*:*)
+    	# uname -m includes "-pc" on this system.
+    	echo ${UNAME_MACHINE}-mingw32
+	exit ;;
+    i*:PW*:*)
+	echo ${UNAME_MACHINE}-pc-pw32
+	exit ;;
+    *:Interix*:[3456]*)
+    	case ${UNAME_MACHINE} in
+	    x86)
+		echo i586-pc-interix${UNAME_RELEASE}
+		exit ;;
+	    EM64T | authenticamd)
+		echo x86_64-unknown-interix${UNAME_RELEASE}
+		exit ;;
+	    IA64)
+		echo ia64-unknown-interix${UNAME_RELEASE}
+		exit ;;
+	esac ;;
+    [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*)
+	echo i${UNAME_MACHINE}-pc-mks
+	exit ;;
+    i*:Windows_NT*:* | Pentium*:Windows_NT*:*)
+	# How do we know it's Interix rather than the generic POSIX subsystem?
+	# It also conflicts with pre-2.0 versions of AT&T UWIN. Should we
+	# UNAME_MACHINE based on the output of uname instead of i386?
+	echo i586-pc-interix
+	exit ;;
+    i*:UWIN*:*)
+	echo ${UNAME_MACHINE}-pc-uwin
+	exit ;;
+    amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*)
+	echo x86_64-unknown-cygwin
+	exit ;;
+    p*:CYGWIN*:*)
+	echo powerpcle-unknown-cygwin
+	exit ;;
+    prep*:SunOS:5.*:*)
+	echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	exit ;;
+    *:GNU:*:*)
+	# the GNU system
+	echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'`
+	exit ;;
+    *:GNU/*:*:*)
+	# other systems with GNU libc and userland
+	echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-gnu
+	exit ;;
+    i*86:Minix:*:*)
+	echo ${UNAME_MACHINE}-pc-minix
+	exit ;;
+    arm*:Linux:*:*)
+	eval $set_cc_for_build
+	if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \
+	    | grep -q __ARM_EABI__
+	then
+	    echo ${UNAME_MACHINE}-unknown-linux-gnu
+	else
+	    echo ${UNAME_MACHINE}-unknown-linux-gnueabi
+	fi
+	exit ;;
+    avr32*:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	exit ;;
+    cris:Linux:*:*)
+	echo cris-axis-linux-gnu
+	exit ;;
+    crisv32:Linux:*:*)
+	echo crisv32-axis-linux-gnu
+	exit ;;
+    frv:Linux:*:*)
+    	echo frv-unknown-linux-gnu
+	exit ;;
+    ia64:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	exit ;;
+    m32r*:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	exit ;;
+    m68*:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	exit ;;
+    mips:Linux:*:*)
+	eval $set_cc_for_build
+	sed 's/^	//' << EOF >$dummy.c
+	#undef CPU
+	#undef mips
+	#undef mipsel
+	#if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL)
+	CPU=mipsel
+	#else
+	#if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB)
+	CPU=mips
+	#else
+	CPU=
+	#endif
+	#endif
+EOF
+	eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n '
+	    /^CPU/{
+		s: ::g
+		p
+	    }'`"
+	test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; }
+	;;
+    mips64:Linux:*:*)
+	eval $set_cc_for_build
+	sed 's/^	//' << EOF >$dummy.c
+	#undef CPU
+	#undef mips64
+	#undef mips64el
+	#if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL)
+	CPU=mips64el
+	#else
+	#if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB)
+	CPU=mips64
+	#else
+	CPU=
+	#endif
+	#endif
+EOF
+	eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n '
+	    /^CPU/{
+		s: ::g
+		p
+	    }'`"
+	test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; }
+	;;
+    or32:Linux:*:*)
+	echo or32-unknown-linux-gnu
+	exit ;;
+    ppc:Linux:*:*)
+	echo powerpc-unknown-linux-gnu
+	exit ;;
+    ppc64:Linux:*:*)
+	echo powerpc64-unknown-linux-gnu
+	exit ;;
+    alpha:Linux:*:*)
+	case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
+	  EV5)   UNAME_MACHINE=alphaev5 ;;
+	  EV56)  UNAME_MACHINE=alphaev56 ;;
+	  PCA56) UNAME_MACHINE=alphapca56 ;;
+	  PCA57) UNAME_MACHINE=alphapca56 ;;
+	  EV6)   UNAME_MACHINE=alphaev6 ;;
+	  EV67)  UNAME_MACHINE=alphaev67 ;;
+	  EV68*) UNAME_MACHINE=alphaev68 ;;
+        esac
+	objdump --private-headers /bin/sh | grep ld.so.1 >/dev/null
+	if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi
+	echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC}
+	exit ;;
+    parisc:Linux:*:* | hppa:Linux:*:*)
+	# Look for CPU level
+	case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in
+	  PA7*) echo hppa1.1-unknown-linux-gnu ;;
+	  PA8*) echo hppa2.0-unknown-linux-gnu ;;
+	  *)    echo hppa-unknown-linux-gnu ;;
+	esac
+	exit ;;
+    parisc64:Linux:*:* | hppa64:Linux:*:*)
+	echo hppa64-unknown-linux-gnu
+	exit ;;
+    s390:Linux:*:* | s390x:Linux:*:*)
+	echo ${UNAME_MACHINE}-ibm-linux
+	exit ;;
+    sh64*:Linux:*:*)
+    	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	exit ;;
+    sh*:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	exit ;;
+    sparc:Linux:*:* | sparc64:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	exit ;;
+    vax:Linux:*:*)
+	echo ${UNAME_MACHINE}-dec-linux-gnu
+	exit ;;
+    x86_64:Linux:*:*)
+	echo x86_64-unknown-linux-gnu
+	exit ;;
+    xtensa*:Linux:*:*)
+    	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	exit ;;
+    i*86:Linux:*:*)
+	# The BFD linker knows what the default object file format is, so
+	# first see if it will tell us. cd to the root directory to prevent
+	# problems with other programs or directories called `ld' in the path.
+	# Set LC_ALL=C to ensure ld outputs messages in English.
+	ld_supported_targets=`cd /; LC_ALL=C ld --help 2>&1 \
+			 | sed -ne '/supported targets:/!d
+				    s/[ 	][ 	]*/ /g
+				    s/.*supported targets: *//
+				    s/ .*//
+				    p'`
+        case "$ld_supported_targets" in
+	  elf32-i386)
+		TENTATIVE="${UNAME_MACHINE}-pc-linux-gnu"
+		;;
+	  a.out-i386-linux)
+		echo "${UNAME_MACHINE}-pc-linux-gnuaout"
+		exit ;;
+	  coff-i386)
+		echo "${UNAME_MACHINE}-pc-linux-gnucoff"
+		exit ;;
+	  "")
+		# Either a pre-BFD a.out linker (linux-gnuoldld) or
+		# one that does not give us useful --help.
+		echo "${UNAME_MACHINE}-pc-linux-gnuoldld"
+		exit ;;
+	esac
+	# Determine whether the default compiler is a.out or elf
+	eval $set_cc_for_build
+	sed 's/^	//' << EOF >$dummy.c
+	#include <features.h>
+	#ifdef __ELF__
+	# ifdef __GLIBC__
+	#  if __GLIBC__ >= 2
+	LIBC=gnu
+	#  else
+	LIBC=gnulibc1
+	#  endif
+	# else
+	LIBC=gnulibc1
+	# endif
+	#else
+	#if defined(__INTEL_COMPILER) || defined(__PGI) || defined(__SUNPRO_C) || defined(__SUNPRO_CC)
+	LIBC=gnu
+	#else
+	LIBC=gnuaout
+	#endif
+	#endif
+	#ifdef __dietlibc__
+	LIBC=dietlibc
+	#endif
+EOF
+	eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n '
+	    /^LIBC/{
+		s: ::g
+		p
+	    }'`"
+	test x"${LIBC}" != x && {
+		echo "${UNAME_MACHINE}-pc-linux-${LIBC}"
+		exit
+	}
+	test x"${TENTATIVE}" != x && { echo "${TENTATIVE}"; exit; }
+	;;
+    i*86:DYNIX/ptx:4*:*)
+	# ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.
+	# earlier versions are messed up and put the nodename in both
+	# sysname and nodename.
+	echo i386-sequent-sysv4
+	exit ;;
+    i*86:UNIX_SV:4.2MP:2.*)
+        # Unixware is an offshoot of SVR4, but it has its own version
+        # number series starting with 2...
+        # I am not positive that other SVR4 systems won't match this,
+	# I just have to hope.  -- rms.
+        # Use sysv4.2uw... so that sysv4* matches it.
+	echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION}
+	exit ;;
+    i*86:OS/2:*:*)
+	# If we were able to find `uname', then EMX Unix compatibility
+	# is probably installed.
+	echo ${UNAME_MACHINE}-pc-os2-emx
+	exit ;;
+    i*86:XTS-300:*:STOP)
+	echo ${UNAME_MACHINE}-unknown-stop
+	exit ;;
+    i*86:atheos:*:*)
+	echo ${UNAME_MACHINE}-unknown-atheos
+	exit ;;
+    i*86:syllable:*:*)
+	echo ${UNAME_MACHINE}-pc-syllable
+	exit ;;
+    i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.0*:*)
+	echo i386-unknown-lynxos${UNAME_RELEASE}
+	exit ;;
+    i*86:*DOS:*:*)
+	echo ${UNAME_MACHINE}-pc-msdosdjgpp
+	exit ;;
+    i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*)
+	UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'`
+	if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then
+		echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL}
+	else
+		echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL}
+	fi
+	exit ;;
+    i*86:*:5:[678]*)
+    	# UnixWare 7.x, OpenUNIX and OpenServer 6.
+	case `/bin/uname -X | grep "^Machine"` in
+	    *486*)	     UNAME_MACHINE=i486 ;;
+	    *Pentium)	     UNAME_MACHINE=i586 ;;
+	    *Pent*|*Celeron) UNAME_MACHINE=i686 ;;
+	esac
+	echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION}
+	exit ;;
+    i*86:*:3.2:*)
+	if test -f /usr/options/cb.name; then
+		UNAME_REL=`sed -n 's/.*Version //p' </usr/options/cb.name`
+		echo ${UNAME_MACHINE}-pc-isc$UNAME_REL
+	elif /bin/uname -X 2>/dev/null >/dev/null ; then
+		UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')`
+		(/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486
+		(/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \
+			&& UNAME_MACHINE=i586
+		(/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \
+			&& UNAME_MACHINE=i686
+		(/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \
+			&& UNAME_MACHINE=i686
+		echo ${UNAME_MACHINE}-pc-sco$UNAME_REL
+	else
+		echo ${UNAME_MACHINE}-pc-sysv32
+	fi
+	exit ;;
+    pc:*:*:*)
+	# Left here for compatibility:
+        # uname -m prints for DJGPP always 'pc', but it prints nothing about
+        # the processor, so we play safe by assuming i386.
+	echo i386-pc-msdosdjgpp
+        exit ;;
+    Intel:Mach:3*:*)
+	echo i386-pc-mach3
+	exit ;;
+    paragon:*:*:*)
+	echo i860-intel-osf1
+	exit ;;
+    i860:*:4.*:*) # i860-SVR4
+	if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then
+	  echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4
+	else # Add other i860-SVR4 vendors below as they are discovered.
+	  echo i860-unknown-sysv${UNAME_RELEASE}  # Unknown i860-SVR4
+	fi
+	exit ;;
+    mini*:CTIX:SYS*5:*)
+	# "miniframe"
+	echo m68010-convergent-sysv
+	exit ;;
+    mc68k:UNIX:SYSTEM5:3.51m)
+	echo m68k-convergent-sysv
+	exit ;;
+    M680?0:D-NIX:5.3:*)
+	echo m68k-diab-dnix
+	exit ;;
+    M68*:*:R3V[5678]*:*)
+	test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;;
+    3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0)
+	OS_REL=''
+	test -r /etc/.relid \
+	&& OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
+	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
+	  && { echo i486-ncr-sysv4.3${OS_REL}; exit; }
+	/bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
+	  && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;;
+    3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*)
+        /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
+          && { echo i486-ncr-sysv4; exit; } ;;
+    m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*)
+	echo m68k-unknown-lynxos${UNAME_RELEASE}
+	exit ;;
+    mc68030:UNIX_System_V:4.*:*)
+	echo m68k-atari-sysv4
+	exit ;;
+    TSUNAMI:LynxOS:2.*:*)
+	echo sparc-unknown-lynxos${UNAME_RELEASE}
+	exit ;;
+    rs6000:LynxOS:2.*:*)
+	echo rs6000-unknown-lynxos${UNAME_RELEASE}
+	exit ;;
+    PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.0*:*)
+	echo powerpc-unknown-lynxos${UNAME_RELEASE}
+	exit ;;
+    SM[BE]S:UNIX_SV:*:*)
+	echo mips-dde-sysv${UNAME_RELEASE}
+	exit ;;
+    RM*:ReliantUNIX-*:*:*)
+	echo mips-sni-sysv4
+	exit ;;
+    RM*:SINIX-*:*:*)
+	echo mips-sni-sysv4
+	exit ;;
+    *:SINIX-*:*:*)
+	if uname -p 2>/dev/null >/dev/null ; then
+		UNAME_MACHINE=`(uname -p) 2>/dev/null`
+		echo ${UNAME_MACHINE}-sni-sysv4
+	else
+		echo ns32k-sni-sysv
+	fi
+	exit ;;
+    PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort
+                      # says <Richard.M.Bartel at ccMail.Census.GOV>
+        echo i586-unisys-sysv4
+        exit ;;
+    *:UNIX_System_V:4*:FTX*)
+	# From Gerald Hewes <hewes at openmarket.com>.
+	# How about differentiating between stratus architectures? -djm
+	echo hppa1.1-stratus-sysv4
+	exit ;;
+    *:*:*:FTX*)
+	# From seanf at swdc.stratus.com.
+	echo i860-stratus-sysv4
+	exit ;;
+    i*86:VOS:*:*)
+	# From Paul.Green at stratus.com.
+	echo ${UNAME_MACHINE}-stratus-vos
+	exit ;;
+    *:VOS:*:*)
+	# From Paul.Green at stratus.com.
+	echo hppa1.1-stratus-vos
+	exit ;;
+    mc68*:A/UX:*:*)
+	echo m68k-apple-aux${UNAME_RELEASE}
+	exit ;;
+    news*:NEWS-OS:6*:*)
+	echo mips-sony-newsos6
+	exit ;;
+    R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
+	if [ -d /usr/nec ]; then
+	        echo mips-nec-sysv${UNAME_RELEASE}
+	else
+	        echo mips-unknown-sysv${UNAME_RELEASE}
+	fi
+        exit ;;
+    BeBox:BeOS:*:*)	# BeOS running on hardware made by Be, PPC only.
+	echo powerpc-be-beos
+	exit ;;
+    BeMac:BeOS:*:*)	# BeOS running on Mac or Mac clone, PPC only.
+	echo powerpc-apple-beos
+	exit ;;
+    BePC:BeOS:*:*)	# BeOS running on Intel PC compatible.
+	echo i586-pc-beos
+	exit ;;
+    SX-4:SUPER-UX:*:*)
+	echo sx4-nec-superux${UNAME_RELEASE}
+	exit ;;
+    SX-5:SUPER-UX:*:*)
+	echo sx5-nec-superux${UNAME_RELEASE}
+	exit ;;
+    SX-6:SUPER-UX:*:*)
+	echo sx6-nec-superux${UNAME_RELEASE}
+	exit ;;
+    SX-7:SUPER-UX:*:*)
+	echo sx7-nec-superux${UNAME_RELEASE}
+	exit ;;
+    SX-8:SUPER-UX:*:*)
+	echo sx8-nec-superux${UNAME_RELEASE}
+	exit ;;
+    SX-8R:SUPER-UX:*:*)
+	echo sx8r-nec-superux${UNAME_RELEASE}
+	exit ;;
+    Power*:Rhapsody:*:*)
+	echo powerpc-apple-rhapsody${UNAME_RELEASE}
+	exit ;;
+    *:Rhapsody:*:*)
+	echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE}
+	exit ;;
+    *:Darwin:*:*)
+	UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown
+	case $UNAME_PROCESSOR in
+	    unknown) UNAME_PROCESSOR=powerpc ;;
+	esac
+	echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE}
+	exit ;;
+    *:procnto*:*:* | *:QNX:[0123456789]*:*)
+	UNAME_PROCESSOR=`uname -p`
+	if test "$UNAME_PROCESSOR" = "x86"; then
+		UNAME_PROCESSOR=i386
+		UNAME_MACHINE=pc
+	fi
+	echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE}
+	exit ;;
+    *:QNX:*:4*)
+	echo i386-pc-qnx
+	exit ;;
+    NSE-?:NONSTOP_KERNEL:*:*)
+	echo nse-tandem-nsk${UNAME_RELEASE}
+	exit ;;
+    NSR-?:NONSTOP_KERNEL:*:*)
+	echo nsr-tandem-nsk${UNAME_RELEASE}
+	exit ;;
+    *:NonStop-UX:*:*)
+	echo mips-compaq-nonstopux
+	exit ;;
+    BS2000:POSIX*:*:*)
+	echo bs2000-siemens-sysv
+	exit ;;
+    DS/*:UNIX_System_V:*:*)
+	echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE}
+	exit ;;
+    *:Plan9:*:*)
+	# "uname -m" is not consistent, so use $cputype instead. 386
+	# is converted to i386 for consistency with other x86
+	# operating systems.
+	if test "$cputype" = "386"; then
+	    UNAME_MACHINE=i386
+	else
+	    UNAME_MACHINE="$cputype"
+	fi
+	echo ${UNAME_MACHINE}-unknown-plan9
+	exit ;;
+    *:TOPS-10:*:*)
+	echo pdp10-unknown-tops10
+	exit ;;
+    *:TENEX:*:*)
+	echo pdp10-unknown-tenex
+	exit ;;
+    KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*)
+	echo pdp10-dec-tops20
+	exit ;;
+    XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*)
+	echo pdp10-xkl-tops20
+	exit ;;
+    *:TOPS-20:*:*)
+	echo pdp10-unknown-tops20
+	exit ;;
+    *:ITS:*:*)
+	echo pdp10-unknown-its
+	exit ;;
+    SEI:*:*:SEIUX)
+        echo mips-sei-seiux${UNAME_RELEASE}
+	exit ;;
+    *:DragonFly:*:*)
+	echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`
+	exit ;;
+    *:*VMS:*:*)
+    	UNAME_MACHINE=`(uname -p) 2>/dev/null`
+	case "${UNAME_MACHINE}" in
+	    A*) echo alpha-dec-vms ; exit ;;
+	    I*) echo ia64-dec-vms ; exit ;;
+	    V*) echo vax-dec-vms ; exit ;;
+	esac ;;
+    *:XENIX:*:SysV)
+	echo i386-pc-xenix
+	exit ;;
+    i*86:skyos:*:*)
+	echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE}` | sed -e 's/ .*$//'
+	exit ;;
+    i*86:rdos:*:*)
+	echo ${UNAME_MACHINE}-pc-rdos
+	exit ;;
+esac
+
+#echo '(No uname command or uname output not recognized.)' 1>&2
+#echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2
+
+eval $set_cc_for_build
+cat >$dummy.c <<EOF
+#ifdef _SEQUENT_
+# include <sys/types.h>
+# include <sys/utsname.h>
+#endif
+main ()
+{
+#if defined (sony)
+#if defined (MIPSEB)
+  /* BFD wants "bsd" instead of "newsos".  Perhaps BFD should be changed,
+     I don't know....  */
+  printf ("mips-sony-bsd\n"); exit (0);
+#else
+#include <sys/param.h>
+  printf ("m68k-sony-newsos%s\n",
+#ifdef NEWSOS4
+          "4"
+#else
+	  ""
+#endif
+         ); exit (0);
+#endif
+#endif
+
+#if defined (__arm) && defined (__acorn) && defined (__unix)
+  printf ("arm-acorn-riscix\n"); exit (0);
+#endif
+
+#if defined (hp300) && !defined (hpux)
+  printf ("m68k-hp-bsd\n"); exit (0);
+#endif
+
+#if defined (NeXT)
+#if !defined (__ARCHITECTURE__)
+#define __ARCHITECTURE__ "m68k"
+#endif
+  int version;
+  version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`;
+  if (version < 4)
+    printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version);
+  else
+    printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version);
+  exit (0);
+#endif
+
+#if defined (MULTIMAX) || defined (n16)
+#if defined (UMAXV)
+  printf ("ns32k-encore-sysv\n"); exit (0);
+#else
+#if defined (CMU)
+  printf ("ns32k-encore-mach\n"); exit (0);
+#else
+  printf ("ns32k-encore-bsd\n"); exit (0);
+#endif
+#endif
+#endif
+
+#if defined (__386BSD__)
+  printf ("i386-pc-bsd\n"); exit (0);
+#endif
+
+#if defined (sequent)
+#if defined (i386)
+  printf ("i386-sequent-dynix\n"); exit (0);
+#endif
+#if defined (ns32000)
+  printf ("ns32k-sequent-dynix\n"); exit (0);
+#endif
+#endif
+
+#if defined (_SEQUENT_)
+    struct utsname un;
+
+    uname(&un);
+
+    if (strncmp(un.version, "V2", 2) == 0) {
+	printf ("i386-sequent-ptx2\n"); exit (0);
+    }
+    if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */
+	printf ("i386-sequent-ptx1\n"); exit (0);
+    }
+    printf ("i386-sequent-ptx\n"); exit (0);
+
+#endif
+
+#if defined (vax)
+# if !defined (ultrix)
+#  include <sys/param.h>
+#  if defined (BSD)
+#   if BSD == 43
+      printf ("vax-dec-bsd4.3\n"); exit (0);
+#   else
+#    if BSD == 199006
+      printf ("vax-dec-bsd4.3reno\n"); exit (0);
+#    else
+      printf ("vax-dec-bsd\n"); exit (0);
+#    endif
+#   endif
+#  else
+    printf ("vax-dec-bsd\n"); exit (0);
+#  endif
+# else
+    printf ("vax-dec-ultrix\n"); exit (0);
+# endif
+#endif
+
+#if defined (alliant) && defined (i860)
+  printf ("i860-alliant-bsd\n"); exit (0);
+#endif
+
+  exit (1);
+}
+EOF
+
+$CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null && SYSTEM_NAME=`$dummy` &&
+	{ echo "$SYSTEM_NAME"; exit; }
+
+# Apollos put the system type in the environment.
+
+test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit; }
+
+# Convex versions that predate uname can use getsysinfo(1)
+
+if [ -x /usr/convex/getsysinfo ]
+then
+    case `getsysinfo -f cpu_type` in
+    c1*)
+	echo c1-convex-bsd
+	exit ;;
+    c2*)
+	if getsysinfo -f scalar_acc
+	then echo c32-convex-bsd
+	else echo c2-convex-bsd
+	fi
+	exit ;;
+    c34*)
+	echo c34-convex-bsd
+	exit ;;
+    c38*)
+	echo c38-convex-bsd
+	exit ;;
+    c4*)
+	echo c4-convex-bsd
+	exit ;;
+    esac
+fi
+
+cat >&2 <<EOF
+$0: unable to guess system type
+
+This script, last modified $timestamp, has failed to recognize
+the operating system you are using. It is advised that you
+download the most up to date version of the config scripts from
+
+  http://savannah.gnu.org/cgi-bin/viewcvs/*checkout*/config/config/config.guess
+and
+  http://savannah.gnu.org/cgi-bin/viewcvs/*checkout*/config/config/config.sub
+
+If the version you run ($0) is already up to date, please
+send the following data and any information you think might be
+pertinent to <config-patches at gnu.org> in order to provide the needed
+information to handle your system.
+
+config.guess timestamp = $timestamp
+
+uname -m = `(uname -m) 2>/dev/null || echo unknown`
+uname -r = `(uname -r) 2>/dev/null || echo unknown`
+uname -s = `(uname -s) 2>/dev/null || echo unknown`
+uname -v = `(uname -v) 2>/dev/null || echo unknown`
+
+/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null`
+/bin/uname -X     = `(/bin/uname -X) 2>/dev/null`
+
+hostinfo               = `(hostinfo) 2>/dev/null`
+/bin/universe          = `(/bin/universe) 2>/dev/null`
+/usr/bin/arch -k       = `(/usr/bin/arch -k) 2>/dev/null`
+/bin/arch              = `(/bin/arch) 2>/dev/null`
+/usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null`
+/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null`
+
+UNAME_MACHINE = ${UNAME_MACHINE}
+UNAME_RELEASE = ${UNAME_RELEASE}
+UNAME_SYSTEM  = ${UNAME_SYSTEM}
+UNAME_VERSION = ${UNAME_VERSION}
+EOF
+
+exit 1
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "timestamp='"
+# time-stamp-format: "%:y-%02m-%02d"
+# time-stamp-end: "'"
+# End:
diff --git a/config.h.in b/config.h.in
new file mode 100644
index 0000000..bf5de8a
--- /dev/null
+++ b/config.h.in
@@ -0,0 +1,183 @@
+/* config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define to one of `_getb67', `GETB67', `getb67' for Cray-2 and Cray-YMP
+   systems. This function is required for `alloca.c' support on those systems.
+   */
+#undef CRAY_STACKSEG_END
+
+/* Define to 1 if using `alloca.c'. */
+#undef C_ALLOCA
+
+/* Define to 1 if you have `alloca', as a function or macro. */
+#undef HAVE_ALLOCA
+
+/* Define to 1 if you have <alloca.h> and it should be used (not on Ultrix).
+   */
+#undef HAVE_ALLOCA_H
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#undef HAVE_DLFCN_H
+
+/* have ftruncate */
+#undef HAVE_FTRUNCATE
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#undef HAVE_INTTYPES_H
+
+/* Define to 1 if you have the <memory.h> header file. */
+#undef HAVE_MEMORY_H
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#undef HAVE_STDINT_H
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#undef HAVE_STDLIB_H
+
+/* Define to 1 if you have the <strings.h> header file. */
+#undef HAVE_STRINGS_H
+
+/* Define to 1 if you have the <string.h> header file. */
+#undef HAVE_STRING_H
+
+/* Define this if you have strlcat() */
+#undef HAVE_STRLCAT
+
+/* Define to 1 if `st_blksize' is member of `struct stat'. */
+#undef HAVE_STRUCT_STAT_ST_BLKSIZE
+
+/* Define to 1 if your `struct stat' has `st_blksize'. Deprecated, use
+   `HAVE_STRUCT_STAT_ST_BLKSIZE' instead. */
+#undef HAVE_ST_BLKSIZE
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#undef HAVE_SYS_STAT_H
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#undef HAVE_SYS_TYPES_H
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#undef HAVE_UNISTD_H
+
+/* if true, turn on logging */
+#undef LOGGING
+
+/* Define to the sub-directory in which libtool stores uninstalled libraries.
+   */
+#undef LT_OBJDIR
+
+/* type definition */
+#undef NCBYTE_T
+
+/* type definition */
+#undef NCSHORT_T
+
+/* type thing */
+#undef NF_INT1_T
+
+/* type thing */
+#undef NF_INT2_T
+
+/* no IEEE float on this platform */
+#undef NO_IEEE_FLOAT
+
+/* Define to 1 if your C compiler doesn't accept -c and -o together. */
+#undef NO_MINUS_C_MINUS_O
+
+/* no stdlib.h */
+#undef NO_STDLIB_H
+
+/* no strerror.h */
+#undef NO_STRERROR
+
+/* no sys_types.h */
+#undef NO_SYS_TYPES_H
+
+/* Name of package */
+#undef PACKAGE
+
+/* Define to the address where bug reports for this package should be sent. */
+#undef PACKAGE_BUGREPORT
+
+/* Define to the full name of this package. */
+#undef PACKAGE_NAME
+
+/* Define to the full name and version of this package. */
+#undef PACKAGE_STRING
+
+/* Define to the one symbol short name of this package. */
+#undef PACKAGE_TARNAME
+
+/* Define to the version of this package. */
+#undef PACKAGE_VERSION
+
+/* The size of `double', as computed by sizeof. */
+#undef SIZEOF_DOUBLE
+
+/* The size of `float', as computed by sizeof. */
+#undef SIZEOF_FLOAT
+
+/* The size of `int', as computed by sizeof. */
+#undef SIZEOF_INT
+
+/* The size of `long', as computed by sizeof. */
+#undef SIZEOF_LONG
+
+/* type size */
+#undef SIZEOF_OFF_T
+
+/* The size of `short', as computed by sizeof. */
+#undef SIZEOF_SHORT
+
+/* type size */
+#undef SIZEOF_SIZE_T
+
+/* If using the C implementation of alloca, define if you know the
+   direction of stack growth for your system; otherwise it will be
+   automatically deduced at runtime.
+	STACK_DIRECTION > 0 => grows toward higher addresses
+	STACK_DIRECTION < 0 => grows toward lower addresses
+	STACK_DIRECTION = 0 => direction of growth unknown */
+#undef STACK_DIRECTION
+
+/* Define to 1 if you have the ANSI C header files. */
+#undef STDC_HEADERS
+
+/* if true, use netCDF-4 */
+#undef USE_NETCDF4
+
+/* Version number of package */
+#undef VERSION
+
+/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
+   significant byte first (like Motorola and SPARC, unlike Intel and VAX). */
+#if defined __BIG_ENDIAN__
+# define WORDS_BIGENDIAN 1
+#elif ! defined __LITTLE_ENDIAN__
+# undef WORDS_BIGENDIAN
+#endif
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+#undef _FILE_OFFSET_BITS
+
+/* Define for large files, on AIX-style hosts. */
+#undef _LARGE_FILES
+
+/* Define to 1 if type `char' is unsigned and you are not using gcc.  */
+#ifndef __CHAR_UNSIGNED__
+# undef __CHAR_UNSIGNED__
+#endif
+
+/* Define to `long int' if <sys/types.h> does not define. */
+#undef off_t
+
+/* Define to `int' if <sys/types.h> does not define. */
+#undef ptrdiff_t
+
+/* Define to `unsigned int' if <sys/types.h> does not define. */
+#undef size_t
+
+/* Define to `int' if <sys/types.h> does not define. */
+#undef ssize_t
+
+/* Define to `unsigned char' if <sys/types.h> does not define. */
+#undef uchar
diff --git a/config.sub b/config.sub
new file mode 100755
index 0000000..6759825
--- /dev/null
+++ b/config.sub
@@ -0,0 +1,1658 @@
+#! /bin/sh
+# Configuration validation subroutine script.
+#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+#   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+#   Free Software Foundation, Inc.
+
+timestamp='2008-01-16'
+
+# This file is (in principle) common to ALL GNU software.
+# The presence of a machine in this file suggests that SOME GNU software
+# can handle that machine.  It does not imply ALL GNU software can.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+# 02110-1301, USA.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+
+# Please send patches to <config-patches at gnu.org>.  Submit a context
+# diff and a properly formatted ChangeLog entry.
+#
+# Configuration subroutine to validate and canonicalize a configuration type.
+# Supply the specified configuration type as an argument.
+# If it is invalid, we print an error message on stderr and exit with code 1.
+# Otherwise, we print the canonical config type on stdout and succeed.
+
+# This file is supposed to be the same for all GNU packages
+# and recognize all the CPU types, system types and aliases
+# that are meaningful with *any* GNU software.
+# Each package is responsible for reporting which valid configurations
+# it does not support.  The user should be able to distinguish
+# a failure to support a valid configuration from a meaningless
+# configuration.
+
+# The goal of this file is to map all the various variations of a given
+# machine specification into a single specification in the form:
+#	CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
+# or in some cases, the newer four-part form:
+#	CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
+# It is wrong to echo any other type of specification.
+
+me=`echo "$0" | sed -e 's,.*/,,'`
+
+usage="\
+Usage: $0 [OPTION] CPU-MFR-OPSYS
+       $0 [OPTION] ALIAS
+
+Canonicalize a configuration name.
+
+Operation modes:
+  -h, --help         print this help, then exit
+  -t, --time-stamp   print date of last modification, then exit
+  -v, --version      print version number, then exit
+
+Report bugs and patches to <config-patches at gnu.org>."
+
+version="\
+GNU config.sub ($timestamp)
+
+Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
+2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+
+This is free software; see the source for copying conditions.  There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
+
+help="
+Try \`$me --help' for more information."
+
+# Parse command line
+while test $# -gt 0 ; do
+  case $1 in
+    --time-stamp | --time* | -t )
+       echo "$timestamp" ; exit ;;
+    --version | -v )
+       echo "$version" ; exit ;;
+    --help | --h* | -h )
+       echo "$usage"; exit ;;
+    -- )     # Stop option processing
+       shift; break ;;
+    - )	# Use stdin as input.
+       break ;;
+    -* )
+       echo "$me: invalid option $1$help"
+       exit 1 ;;
+
+    *local*)
+       # First pass through any local machine types.
+       echo $1
+       exit ;;
+
+    * )
+       break ;;
+  esac
+done
+
+case $# in
+ 0) echo "$me: missing argument$help" >&2
+    exit 1;;
+ 1) ;;
+ *) echo "$me: too many arguments$help" >&2
+    exit 1;;
+esac
+
+# Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any).
+# Here we must recognize all the valid KERNEL-OS combinations.
+maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
+case $maybe_os in
+  nto-qnx* | linux-gnu* | linux-dietlibc | linux-newlib* | linux-uclibc* | \
+  uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* | \
+  storm-chaos* | os2-emx* | rtmk-nova*)
+    os=-$maybe_os
+    basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
+    ;;
+  *)
+    basic_machine=`echo $1 | sed 's/-[^-]*$//'`
+    if [ $basic_machine != $1 ]
+    then os=`echo $1 | sed 's/.*-/-/'`
+    else os=; fi
+    ;;
+esac
+
+### Let's recognize common machines as not being operating systems so
+### that things like config.sub decstation-3100 work.  We also
+### recognize some manufacturers as not being operating systems, so we
+### can provide default operating systems below.
+case $os in
+	-sun*os*)
+		# Prevent following clause from handling this invalid input.
+		;;
+	-dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \
+	-att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \
+	-unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \
+	-convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\
+	-c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \
+	-harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \
+	-apple | -axis | -knuth | -cray)
+		os=
+		basic_machine=$1
+		;;
+	-sim | -cisco | -oki | -wec | -winbond)
+		os=
+		basic_machine=$1
+		;;
+	-scout)
+		;;
+	-wrs)
+		os=-vxworks
+		basic_machine=$1
+		;;
+	-chorusos*)
+		os=-chorusos
+		basic_machine=$1
+		;;
+ 	-chorusrdb)
+ 		os=-chorusrdb
+		basic_machine=$1
+ 		;;
+	-hiux*)
+		os=-hiuxwe2
+		;;
+	-sco6)
+		os=-sco5v6
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-sco5)
+		os=-sco3.2v5
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-sco4)
+		os=-sco3.2v4
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-sco3.2.[4-9]*)
+		os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-sco3.2v[4-9]*)
+		# Don't forget version if it is 3.2v4 or newer.
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-sco5v6*)
+		# Don't forget version if it is 3.2v4 or newer.
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-sco*)
+		os=-sco3.2v2
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-udk*)
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-isc)
+		os=-isc2.2
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-clix*)
+		basic_machine=clipper-intergraph
+		;;
+	-isc*)
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-lynx*)
+		os=-lynxos
+		;;
+	-ptx*)
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'`
+		;;
+	-windowsnt*)
+		os=`echo $os | sed -e 's/windowsnt/winnt/'`
+		;;
+	-psos*)
+		os=-psos
+		;;
+	-mint | -mint[0-9]*)
+		basic_machine=m68k-atari
+		os=-mint
+		;;
+esac
+
+# Decode aliases for certain CPU-COMPANY combinations.
+case $basic_machine in
+	# Recognize the basic CPU types without company name.
+	# Some are omitted here because they have special meanings below.
+	1750a | 580 \
+	| a29k \
+	| alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \
+	| alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \
+	| am33_2.0 \
+	| arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \
+	| bfin \
+	| c4x | clipper \
+	| d10v | d30v | dlx | dsp16xx \
+	| fido | fr30 | frv \
+	| h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
+	| i370 | i860 | i960 | ia64 \
+	| ip2k | iq2000 \
+	| m32c | m32r | m32rle | m68000 | m68k | m88k \
+	| maxq | mb | microblaze | mcore | mep \
+	| mips | mipsbe | mipseb | mipsel | mipsle \
+	| mips16 \
+	| mips64 | mips64el \
+	| mips64vr | mips64vrel \
+	| mips64orion | mips64orionel \
+	| mips64vr4100 | mips64vr4100el \
+	| mips64vr4300 | mips64vr4300el \
+	| mips64vr5000 | mips64vr5000el \
+	| mips64vr5900 | mips64vr5900el \
+	| mipsisa32 | mipsisa32el \
+	| mipsisa32r2 | mipsisa32r2el \
+	| mipsisa64 | mipsisa64el \
+	| mipsisa64r2 | mipsisa64r2el \
+	| mipsisa64sb1 | mipsisa64sb1el \
+	| mipsisa64sr71k | mipsisa64sr71kel \
+	| mipstx39 | mipstx39el \
+	| mn10200 | mn10300 \
+	| mt \
+	| msp430 \
+	| nios | nios2 \
+	| ns16k | ns32k \
+	| or32 \
+	| pdp10 | pdp11 | pj | pjl \
+	| powerpc | powerpc64 | powerpc64le | powerpcle | ppcbe \
+	| pyramid \
+	| score \
+	| sh | sh[1234] | sh[24]a | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \
+	| sh64 | sh64le \
+	| sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \
+	| sparcv8 | sparcv9 | sparcv9b | sparcv9v \
+	| spu | strongarm \
+	| tahoe | thumb | tic4x | tic80 | tron \
+	| v850 | v850e \
+	| we32k \
+	| x86 | xc16x | xscale | xscalee[bl] | xstormy16 | xtensa \
+	| z8k)
+		basic_machine=$basic_machine-unknown
+		;;
+	m6811 | m68hc11 | m6812 | m68hc12)
+		# Motorola 68HC11/12.
+		basic_machine=$basic_machine-unknown
+		os=-none
+		;;
+	m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k)
+		;;
+	ms1)
+		basic_machine=mt-unknown
+		;;
+
+	# We use `pc' rather than `unknown'
+	# because (1) that's what they normally are, and
+	# (2) the word "unknown" tends to confuse beginning users.
+	i*86 | x86_64)
+	  basic_machine=$basic_machine-pc
+	  ;;
+	# Object if more than one company name word.
+	*-*-*)
+		echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
+		exit 1
+		;;
+	# Recognize the basic CPU types with company name.
+	580-* \
+	| a29k-* \
+	| alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \
+	| alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \
+	| alphapca5[67]-* | alpha64pca5[67]-* | arc-* \
+	| arm-*  | armbe-* | armle-* | armeb-* | armv*-* \
+	| avr-* | avr32-* \
+	| bfin-* | bs2000-* \
+	| c[123]* | c30-* | [cjt]90-* | c4x-* | c54x-* | c55x-* | c6x-* \
+	| clipper-* | craynv-* | cydra-* \
+	| d10v-* | d30v-* | dlx-* \
+	| elxsi-* \
+	| f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \
+	| h8300-* | h8500-* \
+	| hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \
+	| i*86-* | i860-* | i960-* | ia64-* \
+	| ip2k-* | iq2000-* \
+	| m32c-* | m32r-* | m32rle-* \
+	| m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \
+	| m88110-* | m88k-* | maxq-* | mcore-* \
+	| mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \
+	| mips16-* \
+	| mips64-* | mips64el-* \
+	| mips64vr-* | mips64vrel-* \
+	| mips64orion-* | mips64orionel-* \
+	| mips64vr4100-* | mips64vr4100el-* \
+	| mips64vr4300-* | mips64vr4300el-* \
+	| mips64vr5000-* | mips64vr5000el-* \
+	| mips64vr5900-* | mips64vr5900el-* \
+	| mipsisa32-* | mipsisa32el-* \
+	| mipsisa32r2-* | mipsisa32r2el-* \
+	| mipsisa64-* | mipsisa64el-* \
+	| mipsisa64r2-* | mipsisa64r2el-* \
+	| mipsisa64sb1-* | mipsisa64sb1el-* \
+	| mipsisa64sr71k-* | mipsisa64sr71kel-* \
+	| mipstx39-* | mipstx39el-* \
+	| mmix-* \
+	| mt-* \
+	| msp430-* \
+	| nios-* | nios2-* \
+	| none-* | np1-* | ns16k-* | ns32k-* \
+	| orion-* \
+	| pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \
+	| powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* | ppcbe-* \
+	| pyramid-* \
+	| romp-* | rs6000-* \
+	| sh-* | sh[1234]-* | sh[24]a-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \
+	| shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \
+	| sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \
+	| sparclite-* \
+	| sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | strongarm-* | sv1-* | sx?-* \
+	| tahoe-* | thumb-* \
+	| tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \
+	| tron-* \
+	| v850-* | v850e-* | vax-* \
+	| we32k-* \
+	| x86-* | x86_64-* | xc16x-* | xps100-* | xscale-* | xscalee[bl]-* \
+	| xstormy16-* | xtensa*-* \
+	| ymp-* \
+	| z8k-*)
+		;;
+	# Recognize the basic CPU types without company name, with glob match.
+	xtensa*)
+		basic_machine=$basic_machine-unknown
+		;;
+	# Recognize the various machine names and aliases which stand
+	# for a CPU type and a company and sometimes even an OS.
+	386bsd)
+		basic_machine=i386-unknown
+		os=-bsd
+		;;
+	3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
+		basic_machine=m68000-att
+		;;
+	3b*)
+		basic_machine=we32k-att
+		;;
+	a29khif)
+		basic_machine=a29k-amd
+		os=-udi
+		;;
+    	abacus)
+		basic_machine=abacus-unknown
+		;;
+	adobe68k)
+		basic_machine=m68010-adobe
+		os=-scout
+		;;
+	alliant | fx80)
+		basic_machine=fx80-alliant
+		;;
+	altos | altos3068)
+		basic_machine=m68k-altos
+		;;
+	am29k)
+		basic_machine=a29k-none
+		os=-bsd
+		;;
+	amd64)
+		basic_machine=x86_64-pc
+		;;
+	amd64-*)
+		basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	amdahl)
+		basic_machine=580-amdahl
+		os=-sysv
+		;;
+	amiga | amiga-*)
+		basic_machine=m68k-unknown
+		;;
+	amigaos | amigados)
+		basic_machine=m68k-unknown
+		os=-amigaos
+		;;
+	amigaunix | amix)
+		basic_machine=m68k-unknown
+		os=-sysv4
+		;;
+	apollo68)
+		basic_machine=m68k-apollo
+		os=-sysv
+		;;
+	apollo68bsd)
+		basic_machine=m68k-apollo
+		os=-bsd
+		;;
+	aux)
+		basic_machine=m68k-apple
+		os=-aux
+		;;
+	balance)
+		basic_machine=ns32k-sequent
+		os=-dynix
+		;;
+	blackfin)
+		basic_machine=bfin-unknown
+		os=-linux
+		;;
+	blackfin-*)
+		basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'`
+		os=-linux
+		;;
+	c90)
+		basic_machine=c90-cray
+		os=-unicos
+		;;
+	convex-c1)
+		basic_machine=c1-convex
+		os=-bsd
+		;;
+	convex-c2)
+		basic_machine=c2-convex
+		os=-bsd
+		;;
+	convex-c32)
+		basic_machine=c32-convex
+		os=-bsd
+		;;
+	convex-c34)
+		basic_machine=c34-convex
+		os=-bsd
+		;;
+	convex-c38)
+		basic_machine=c38-convex
+		os=-bsd
+		;;
+	cray | j90)
+		basic_machine=j90-cray
+		os=-unicos
+		;;
+	craynv)
+		basic_machine=craynv-cray
+		os=-unicosmp
+		;;
+	cr16)
+		basic_machine=cr16-unknown
+		os=-elf
+		;;
+	crds | unos)
+		basic_machine=m68k-crds
+		;;
+	crisv32 | crisv32-* | etraxfs*)
+		basic_machine=crisv32-axis
+		;;
+	cris | cris-* | etrax*)
+		basic_machine=cris-axis
+		;;
+	crx)
+		basic_machine=crx-unknown
+		os=-elf
+		;;
+	da30 | da30-*)
+		basic_machine=m68k-da30
+		;;
+	decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
+		basic_machine=mips-dec
+		;;
+	decsystem10* | dec10*)
+		basic_machine=pdp10-dec
+		os=-tops10
+		;;
+	decsystem20* | dec20*)
+		basic_machine=pdp10-dec
+		os=-tops20
+		;;
+	delta | 3300 | motorola-3300 | motorola-delta \
+	      | 3300-motorola | delta-motorola)
+		basic_machine=m68k-motorola
+		;;
+	delta88)
+		basic_machine=m88k-motorola
+		os=-sysv3
+		;;
+	djgpp)
+		basic_machine=i586-pc
+		os=-msdosdjgpp
+		;;
+	dpx20 | dpx20-*)
+		basic_machine=rs6000-bull
+		os=-bosx
+		;;
+	dpx2* | dpx2*-bull)
+		basic_machine=m68k-bull
+		os=-sysv3
+		;;
+	ebmon29k)
+		basic_machine=a29k-amd
+		os=-ebmon
+		;;
+	elxsi)
+		basic_machine=elxsi-elxsi
+		os=-bsd
+		;;
+	encore | umax | mmax)
+		basic_machine=ns32k-encore
+		;;
+	es1800 | OSE68k | ose68k | ose | OSE)
+		basic_machine=m68k-ericsson
+		os=-ose
+		;;
+	fx2800)
+		basic_machine=i860-alliant
+		;;
+	genix)
+		basic_machine=ns32k-ns
+		;;
+	gmicro)
+		basic_machine=tron-gmicro
+		os=-sysv
+		;;
+	go32)
+		basic_machine=i386-pc
+		os=-go32
+		;;
+	h3050r* | hiux*)
+		basic_machine=hppa1.1-hitachi
+		os=-hiuxwe2
+		;;
+	h8300hms)
+		basic_machine=h8300-hitachi
+		os=-hms
+		;;
+	h8300xray)
+		basic_machine=h8300-hitachi
+		os=-xray
+		;;
+	h8500hms)
+		basic_machine=h8500-hitachi
+		os=-hms
+		;;
+	harris)
+		basic_machine=m88k-harris
+		os=-sysv3
+		;;
+	hp300-*)
+		basic_machine=m68k-hp
+		;;
+	hp300bsd)
+		basic_machine=m68k-hp
+		os=-bsd
+		;;
+	hp300hpux)
+		basic_machine=m68k-hp
+		os=-hpux
+		;;
+	hp3k9[0-9][0-9] | hp9[0-9][0-9])
+		basic_machine=hppa1.0-hp
+		;;
+	hp9k2[0-9][0-9] | hp9k31[0-9])
+		basic_machine=m68000-hp
+		;;
+	hp9k3[2-9][0-9])
+		basic_machine=m68k-hp
+		;;
+	hp9k6[0-9][0-9] | hp6[0-9][0-9])
+		basic_machine=hppa1.0-hp
+		;;
+	hp9k7[0-79][0-9] | hp7[0-79][0-9])
+		basic_machine=hppa1.1-hp
+		;;
+	hp9k78[0-9] | hp78[0-9])
+		# FIXME: really hppa2.0-hp
+		basic_machine=hppa1.1-hp
+		;;
+	hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893)
+		# FIXME: really hppa2.0-hp
+		basic_machine=hppa1.1-hp
+		;;
+	hp9k8[0-9][13679] | hp8[0-9][13679])
+		basic_machine=hppa1.1-hp
+		;;
+	hp9k8[0-9][0-9] | hp8[0-9][0-9])
+		basic_machine=hppa1.0-hp
+		;;
+	hppa-next)
+		os=-nextstep3
+		;;
+	hppaosf)
+		basic_machine=hppa1.1-hp
+		os=-osf
+		;;
+	hppro)
+		basic_machine=hppa1.1-hp
+		os=-proelf
+		;;
+	i370-ibm* | ibm*)
+		basic_machine=i370-ibm
+		;;
+# I'm not sure what "Sysv32" means.  Should this be sysv3.2?
+	i*86v32)
+		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+		os=-sysv32
+		;;
+	i*86v4*)
+		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+		os=-sysv4
+		;;
+	i*86v)
+		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+		os=-sysv
+		;;
+	i*86sol2)
+		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+		os=-solaris2
+		;;
+	i386mach)
+		basic_machine=i386-mach
+		os=-mach
+		;;
+	i386-vsta | vsta)
+		basic_machine=i386-unknown
+		os=-vsta
+		;;
+	iris | iris4d)
+		basic_machine=mips-sgi
+		case $os in
+		    -irix*)
+			;;
+		    *)
+			os=-irix4
+			;;
+		esac
+		;;
+	isi68 | isi)
+		basic_machine=m68k-isi
+		os=-sysv
+		;;
+	m68knommu)
+		basic_machine=m68k-unknown
+		os=-linux
+		;;
+	m68knommu-*)
+		basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'`
+		os=-linux
+		;;
+	m88k-omron*)
+		basic_machine=m88k-omron
+		;;
+	magnum | m3230)
+		basic_machine=mips-mips
+		os=-sysv
+		;;
+	merlin)
+		basic_machine=ns32k-utek
+		os=-sysv
+		;;
+	mingw32)
+		basic_machine=i386-pc
+		os=-mingw32
+		;;
+	mingw32ce)
+		basic_machine=arm-unknown
+		os=-mingw32ce
+		;;
+	miniframe)
+		basic_machine=m68000-convergent
+		;;
+	*mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*)
+		basic_machine=m68k-atari
+		os=-mint
+		;;
+	mips3*-*)
+		basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
+		;;
+	mips3*)
+		basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
+		;;
+	monitor)
+		basic_machine=m68k-rom68k
+		os=-coff
+		;;
+	morphos)
+		basic_machine=powerpc-unknown
+		os=-morphos
+		;;
+	msdos)
+		basic_machine=i386-pc
+		os=-msdos
+		;;
+	ms1-*)
+		basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'`
+		;;
+	mvs)
+		basic_machine=i370-ibm
+		os=-mvs
+		;;
+	ncr3000)
+		basic_machine=i486-ncr
+		os=-sysv4
+		;;
+	netbsd386)
+		basic_machine=i386-unknown
+		os=-netbsd
+		;;
+	netwinder)
+		basic_machine=armv4l-rebel
+		os=-linux
+		;;
+	news | news700 | news800 | news900)
+		basic_machine=m68k-sony
+		os=-newsos
+		;;
+	news1000)
+		basic_machine=m68030-sony
+		os=-newsos
+		;;
+	news-3600 | risc-news)
+		basic_machine=mips-sony
+		os=-newsos
+		;;
+	necv70)
+		basic_machine=v70-nec
+		os=-sysv
+		;;
+	next | m*-next )
+		basic_machine=m68k-next
+		case $os in
+		    -nextstep* )
+			;;
+		    -ns2*)
+		      os=-nextstep2
+			;;
+		    *)
+		      os=-nextstep3
+			;;
+		esac
+		;;
+	nh3000)
+		basic_machine=m68k-harris
+		os=-cxux
+		;;
+	nh[45]000)
+		basic_machine=m88k-harris
+		os=-cxux
+		;;
+	nindy960)
+		basic_machine=i960-intel
+		os=-nindy
+		;;
+	mon960)
+		basic_machine=i960-intel
+		os=-mon960
+		;;
+	nonstopux)
+		basic_machine=mips-compaq
+		os=-nonstopux
+		;;
+	np1)
+		basic_machine=np1-gould
+		;;
+	nsr-tandem)
+		basic_machine=nsr-tandem
+		;;
+	op50n-* | op60c-*)
+		basic_machine=hppa1.1-oki
+		os=-proelf
+		;;
+	openrisc | openrisc-*)
+		basic_machine=or32-unknown
+		;;
+	os400)
+		basic_machine=powerpc-ibm
+		os=-os400
+		;;
+	OSE68000 | ose68000)
+		basic_machine=m68000-ericsson
+		os=-ose
+		;;
+	os68k)
+		basic_machine=m68k-none
+		os=-os68k
+		;;
+	pa-hitachi)
+		basic_machine=hppa1.1-hitachi
+		os=-hiuxwe2
+		;;
+	paragon)
+		basic_machine=i860-intel
+		os=-osf
+		;;
+	parisc)
+		basic_machine=hppa-unknown
+		os=-linux
+		;;
+	parisc-*)
+		basic_machine=hppa-`echo $basic_machine | sed 's/^[^-]*-//'`
+		os=-linux
+		;;
+	pbd)
+		basic_machine=sparc-tti
+		;;
+	pbb)
+		basic_machine=m68k-tti
+		;;
+	pc532 | pc532-*)
+		basic_machine=ns32k-pc532
+		;;
+	pc98)
+		basic_machine=i386-pc
+		;;
+	pc98-*)
+		basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	pentium | p5 | k5 | k6 | nexgen | viac3)
+		basic_machine=i586-pc
+		;;
+	pentiumpro | p6 | 6x86 | athlon | athlon_*)
+		basic_machine=i686-pc
+		;;
+	pentiumii | pentium2 | pentiumiii | pentium3)
+		basic_machine=i686-pc
+		;;
+	pentium4)
+		basic_machine=i786-pc
+		;;
+	pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
+		basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	pentiumpro-* | p6-* | 6x86-* | athlon-*)
+		basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
+		basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	pentium4-*)
+		basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	pn)
+		basic_machine=pn-gould
+		;;
+	power)	basic_machine=power-ibm
+		;;
+	ppc)	basic_machine=powerpc-unknown
+		;;
+	ppc-*)	basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	ppcle | powerpclittle | ppc-le | powerpc-little)
+		basic_machine=powerpcle-unknown
+		;;
+	ppcle-* | powerpclittle-*)
+		basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	ppc64)	basic_machine=powerpc64-unknown
+		;;
+	ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	ppc64le | powerpc64little | ppc64-le | powerpc64-little)
+		basic_machine=powerpc64le-unknown
+		;;
+	ppc64le-* | powerpc64little-*)
+		basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	ps2)
+		basic_machine=i386-ibm
+		;;
+	pw32)
+		basic_machine=i586-unknown
+		os=-pw32
+		;;
+	rdos)
+		basic_machine=i386-pc
+		os=-rdos
+		;;
+	rom68k)
+		basic_machine=m68k-rom68k
+		os=-coff
+		;;
+	rm[46]00)
+		basic_machine=mips-siemens
+		;;
+	rtpc | rtpc-*)
+		basic_machine=romp-ibm
+		;;
+	s390 | s390-*)
+		basic_machine=s390-ibm
+		;;
+	s390x | s390x-*)
+		basic_machine=s390x-ibm
+		;;
+	sa29200)
+		basic_machine=a29k-amd
+		os=-udi
+		;;
+	sb1)
+		basic_machine=mipsisa64sb1-unknown
+		;;
+	sb1el)
+		basic_machine=mipsisa64sb1el-unknown
+		;;
+	sde)
+		basic_machine=mipsisa32-sde
+		os=-elf
+		;;
+	sei)
+		basic_machine=mips-sei
+		os=-seiux
+		;;
+	sequent)
+		basic_machine=i386-sequent
+		;;
+	sh)
+		basic_machine=sh-hitachi
+		os=-hms
+		;;
+	sh5el)
+		basic_machine=sh5le-unknown
+		;;
+	sh64)
+		basic_machine=sh64-unknown
+		;;
+	sparclite-wrs | simso-wrs)
+		basic_machine=sparclite-wrs
+		os=-vxworks
+		;;
+	sps7)
+		basic_machine=m68k-bull
+		os=-sysv2
+		;;
+	spur)
+		basic_machine=spur-unknown
+		;;
+	st2000)
+		basic_machine=m68k-tandem
+		;;
+	stratus)
+		basic_machine=i860-stratus
+		os=-sysv4
+		;;
+	sun2)
+		basic_machine=m68000-sun
+		;;
+	sun2os3)
+		basic_machine=m68000-sun
+		os=-sunos3
+		;;
+	sun2os4)
+		basic_machine=m68000-sun
+		os=-sunos4
+		;;
+	sun3os3)
+		basic_machine=m68k-sun
+		os=-sunos3
+		;;
+	sun3os4)
+		basic_machine=m68k-sun
+		os=-sunos4
+		;;
+	sun4os3)
+		basic_machine=sparc-sun
+		os=-sunos3
+		;;
+	sun4os4)
+		basic_machine=sparc-sun
+		os=-sunos4
+		;;
+	sun4sol2)
+		basic_machine=sparc-sun
+		os=-solaris2
+		;;
+	sun3 | sun3-*)
+		basic_machine=m68k-sun
+		;;
+	sun4)
+		basic_machine=sparc-sun
+		;;
+	sun386 | sun386i | roadrunner)
+		basic_machine=i386-sun
+		;;
+	sv1)
+		basic_machine=sv1-cray
+		os=-unicos
+		;;
+	symmetry)
+		basic_machine=i386-sequent
+		os=-dynix
+		;;
+	t3e)
+		basic_machine=alphaev5-cray
+		os=-unicos
+		;;
+	t90)
+		basic_machine=t90-cray
+		os=-unicos
+		;;
+	tic54x | c54x*)
+		basic_machine=tic54x-unknown
+		os=-coff
+		;;
+	tic55x | c55x*)
+		basic_machine=tic55x-unknown
+		os=-coff
+		;;
+	tic6x | c6x*)
+		basic_machine=tic6x-unknown
+		os=-coff
+		;;
+	tile*)
+		basic_machine=tile-unknown
+		os=-linux-gnu
+		;;
+	tx39)
+		basic_machine=mipstx39-unknown
+		;;
+	tx39el)
+		basic_machine=mipstx39el-unknown
+		;;
+	toad1)
+		basic_machine=pdp10-xkl
+		os=-tops20
+		;;
+	tower | tower-32)
+		basic_machine=m68k-ncr
+		;;
+	tpf)
+		basic_machine=s390x-ibm
+		os=-tpf
+		;;
+	udi29k)
+		basic_machine=a29k-amd
+		os=-udi
+		;;
+	ultra3)
+		basic_machine=a29k-nyu
+		os=-sym1
+		;;
+	v810 | necv810)
+		basic_machine=v810-nec
+		os=-none
+		;;
+	vaxv)
+		basic_machine=vax-dec
+		os=-sysv
+		;;
+	vms)
+		basic_machine=vax-dec
+		os=-vms
+		;;
+	vpp*|vx|vx-*)
+		basic_machine=f301-fujitsu
+		;;
+	vxworks960)
+		basic_machine=i960-wrs
+		os=-vxworks
+		;;
+	vxworks68)
+		basic_machine=m68k-wrs
+		os=-vxworks
+		;;
+	vxworks29k)
+		basic_machine=a29k-wrs
+		os=-vxworks
+		;;
+	w65*)
+		basic_machine=w65-wdc
+		os=-none
+		;;
+	w89k-*)
+		basic_machine=hppa1.1-winbond
+		os=-proelf
+		;;
+	xbox)
+		basic_machine=i686-pc
+		os=-mingw32
+		;;
+	xps | xps100)
+		basic_machine=xps100-honeywell
+		;;
+	ymp)
+		basic_machine=ymp-cray
+		os=-unicos
+		;;
+	z8k-*-coff)
+		basic_machine=z8k-unknown
+		os=-sim
+		;;
+	none)
+		basic_machine=none-none
+		os=-none
+		;;
+
+# Here we handle the default manufacturer of certain CPU types.  It is in
+# some cases the only manufacturer, in others, it is the most popular.
+	w89k)
+		basic_machine=hppa1.1-winbond
+		;;
+	op50n)
+		basic_machine=hppa1.1-oki
+		;;
+	op60c)
+		basic_machine=hppa1.1-oki
+		;;
+	romp)
+		basic_machine=romp-ibm
+		;;
+	mmix)
+		basic_machine=mmix-knuth
+		;;
+	rs6000)
+		basic_machine=rs6000-ibm
+		;;
+	vax)
+		basic_machine=vax-dec
+		;;
+	pdp10)
+		# there are many clones, so DEC is not a safe bet
+		basic_machine=pdp10-unknown
+		;;
+	pdp11)
+		basic_machine=pdp11-dec
+		;;
+	we32k)
+		basic_machine=we32k-att
+		;;
+	sh[1234] | sh[24]a | sh[34]eb | sh[1234]le | sh[23]ele)
+		basic_machine=sh-unknown
+		;;
+	sparc | sparcv8 | sparcv9 | sparcv9b | sparcv9v)
+		basic_machine=sparc-sun
+		;;
+	cydra)
+		basic_machine=cydra-cydrome
+		;;
+	orion)
+		basic_machine=orion-highlevel
+		;;
+	orion105)
+		basic_machine=clipper-highlevel
+		;;
+	mac | mpw | mac-mpw)
+		basic_machine=m68k-apple
+		;;
+	pmac | pmac-mpw)
+		basic_machine=powerpc-apple
+		;;
+	*-unknown)
+		# Make sure to match an already-canonicalized machine name.
+		;;
+	*)
+		echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
+		exit 1
+		;;
+esac
+
+# Here we canonicalize certain aliases for manufacturers.
+case $basic_machine in
+	*-digital*)
+		basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
+		;;
+	*-commodore*)
+		basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
+		;;
+	*)
+		;;
+esac
+
+# Decode manufacturer-specific aliases for certain operating systems.
+
+if [ x"$os" != x"" ]
+then
+case $os in
+        # First match some system type aliases
+        # that might get confused with valid system types.
+	# -solaris* is a basic system type, with this one exception.
+	-solaris1 | -solaris1.*)
+		os=`echo $os | sed -e 's|solaris1|sunos4|'`
+		;;
+	-solaris)
+		os=-solaris2
+		;;
+	-svr4*)
+		os=-sysv4
+		;;
+	-unixware*)
+		os=-sysv4.2uw
+		;;
+	-gnu/linux*)
+		os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
+		;;
+	# First accept the basic system types.
+	# The portable systems comes first.
+	# Each alternative MUST END IN A *, to match a version number.
+	# -sysv* is not here because it comes later, after sysvr4.
+	-gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
+	      | -*vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[34]*\
+	      | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
+	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
+	      | -aos* \
+	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
+	      | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
+	      | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \
+	      | -openbsd* | -solidbsd* \
+	      | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \
+	      | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \
+	      | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
+	      | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
+	      | -chorusos* | -chorusrdb* \
+	      | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
+	      | -mingw32* | -linux-gnu* | -linux-newlib* | -linux-uclibc* \
+	      | -uxpv* | -beos* | -mpeix* | -udk* \
+	      | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \
+	      | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
+	      | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \
+	      | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \
+	      | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
+	      | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \
+	      | -skyos* | -haiku* | -rdos* | -toppers* | -drops*)
+	# Remember, each alternative MUST END IN *, to match a version number.
+		;;
+	-qnx*)
+		case $basic_machine in
+		    x86-* | i*86-*)
+			;;
+		    *)
+			os=-nto$os
+			;;
+		esac
+		;;
+	-nto-qnx*)
+		;;
+	-nto*)
+		os=`echo $os | sed -e 's|nto|nto-qnx|'`
+		;;
+	-sim | -es1800* | -hms* | -xray | -os68k* | -none* | -v88r* \
+	      | -windows* | -osx | -abug | -netware* | -os9* | -beos* | -haiku* \
+	      | -macos* | -mpw* | -magic* | -mmixware* | -mon960* | -lnews*)
+		;;
+	-mac*)
+		os=`echo $os | sed -e 's|mac|macos|'`
+		;;
+	-linux-dietlibc)
+		os=-linux-dietlibc
+		;;
+	-linux*)
+		os=`echo $os | sed -e 's|linux|linux-gnu|'`
+		;;
+	-sunos5*)
+		os=`echo $os | sed -e 's|sunos5|solaris2|'`
+		;;
+	-sunos6*)
+		os=`echo $os | sed -e 's|sunos6|solaris3|'`
+		;;
+	-opened*)
+		os=-openedition
+		;;
+        -os400*)
+		os=-os400
+		;;
+	-wince*)
+		os=-wince
+		;;
+	-osfrose*)
+		os=-osfrose
+		;;
+	-osf*)
+		os=-osf
+		;;
+	-utek*)
+		os=-bsd
+		;;
+	-dynix*)
+		os=-bsd
+		;;
+	-acis*)
+		os=-aos
+		;;
+	-atheos*)
+		os=-atheos
+		;;
+	-syllable*)
+		os=-syllable
+		;;
+	-386bsd)
+		os=-bsd
+		;;
+	-ctix* | -uts*)
+		os=-sysv
+		;;
+	-nova*)
+		os=-rtmk-nova
+		;;
+	-ns2 )
+		os=-nextstep2
+		;;
+	-nsk*)
+		os=-nsk
+		;;
+	# Preserve the version number of sinix5.
+	-sinix5.*)
+		os=`echo $os | sed -e 's|sinix|sysv|'`
+		;;
+	-sinix*)
+		os=-sysv4
+		;;
+        -tpf*)
+		os=-tpf
+		;;
+	-triton*)
+		os=-sysv3
+		;;
+	-oss*)
+		os=-sysv3
+		;;
+	-svr4)
+		os=-sysv4
+		;;
+	-svr3)
+		os=-sysv3
+		;;
+	-sysvr4)
+		os=-sysv4
+		;;
+	# This must come after -sysvr4.
+	-sysv*)
+		;;
+	-ose*)
+		os=-ose
+		;;
+	-es1800*)
+		os=-ose
+		;;
+	-xenix)
+		os=-xenix
+		;;
+	-*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
+		os=-mint
+		;;
+	-aros*)
+		os=-aros
+		;;
+	-kaos*)
+		os=-kaos
+		;;
+	-zvmoe)
+		os=-zvmoe
+		;;
+	-none)
+		;;
+	*)
+		# Get rid of the `-' at the beginning of $os.
+		os=`echo $os | sed 's/[^-]*-//'`
+		echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
+		exit 1
+		;;
+esac
+else
+
+# Here we handle the default operating systems that come with various machines.
+# The value should be what the vendor currently ships out the door with their
+# machine or put another way, the most popular os provided with the machine.
+
+# Note that if you're going to try to match "-MANUFACTURER" here (say,
+# "-sun"), then you have to tell the case statement up towards the top
+# that MANUFACTURER isn't an operating system.  Otherwise, code above
+# will signal an error saying that MANUFACTURER isn't an operating
+# system, and we'll never get to this point.
+
+case $basic_machine in
+        score-*)
+		os=-elf
+		;;
+        spu-*)
+		os=-elf
+		;;
+	*-acorn)
+		os=-riscix1.2
+		;;
+	arm*-rebel)
+		os=-linux
+		;;
+	arm*-semi)
+		os=-aout
+		;;
+        c4x-* | tic4x-*)
+        	os=-coff
+		;;
+	# This must come before the *-dec entry.
+	pdp10-*)
+		os=-tops20
+		;;
+	pdp11-*)
+		os=-none
+		;;
+	*-dec | vax-*)
+		os=-ultrix4.2
+		;;
+	m68*-apollo)
+		os=-domain
+		;;
+	i386-sun)
+		os=-sunos4.0.2
+		;;
+	m68000-sun)
+		os=-sunos3
+		# This also exists in the configure program, but was not the
+		# default.
+		# os=-sunos4
+		;;
+	m68*-cisco)
+		os=-aout
+		;;
+        mep-*)
+		os=-elf
+		;;
+	mips*-cisco)
+		os=-elf
+		;;
+	mips*-*)
+		os=-elf
+		;;
+	or32-*)
+		os=-coff
+		;;
+	*-tti)	# must be before sparc entry or we get the wrong os.
+		os=-sysv3
+		;;
+	sparc-* | *-sun)
+		os=-sunos4.1.1
+		;;
+	*-be)
+		os=-beos
+		;;
+	*-haiku)
+		os=-haiku
+		;;
+	*-ibm)
+		os=-aix
+		;;
+    	*-knuth)
+		os=-mmixware
+		;;
+	*-wec)
+		os=-proelf
+		;;
+	*-winbond)
+		os=-proelf
+		;;
+	*-oki)
+		os=-proelf
+		;;
+	*-hp)
+		os=-hpux
+		;;
+	*-hitachi)
+		os=-hiux
+		;;
+	i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
+		os=-sysv
+		;;
+	*-cbm)
+		os=-amigaos
+		;;
+	*-dg)
+		os=-dgux
+		;;
+	*-dolphin)
+		os=-sysv3
+		;;
+	m68k-ccur)
+		os=-rtu
+		;;
+	m88k-omron*)
+		os=-luna
+		;;
+	*-next )
+		os=-nextstep
+		;;
+	*-sequent)
+		os=-ptx
+		;;
+	*-crds)
+		os=-unos
+		;;
+	*-ns)
+		os=-genix
+		;;
+	i370-*)
+		os=-mvs
+		;;
+	*-next)
+		os=-nextstep3
+		;;
+	*-gould)
+		os=-sysv
+		;;
+	*-highlevel)
+		os=-bsd
+		;;
+	*-encore)
+		os=-bsd
+		;;
+	*-sgi)
+		os=-irix
+		;;
+	*-siemens)
+		os=-sysv4
+		;;
+	*-masscomp)
+		os=-rtu
+		;;
+	f30[01]-fujitsu | f700-fujitsu)
+		os=-uxpv
+		;;
+	*-rom68k)
+		os=-coff
+		;;
+	*-*bug)
+		os=-coff
+		;;
+	*-apple)
+		os=-macos
+		;;
+	*-atari*)
+		os=-mint
+		;;
+	*)
+		os=-none
+		;;
+esac
+fi
+
+# Here we handle the case where we know the os, and the CPU type, but not the
+# manufacturer.  We pick the logical manufacturer.
+vendor=unknown
+case $basic_machine in
+	*-unknown)
+		case $os in
+			-riscix*)
+				vendor=acorn
+				;;
+			-sunos*)
+				vendor=sun
+				;;
+			-aix*)
+				vendor=ibm
+				;;
+			-beos*)
+				vendor=be
+				;;
+			-hpux*)
+				vendor=hp
+				;;
+			-mpeix*)
+				vendor=hp
+				;;
+			-hiux*)
+				vendor=hitachi
+				;;
+			-unos*)
+				vendor=crds
+				;;
+			-dgux*)
+				vendor=dg
+				;;
+			-luna*)
+				vendor=omron
+				;;
+			-genix*)
+				vendor=ns
+				;;
+			-mvs* | -opened*)
+				vendor=ibm
+				;;
+			-os400*)
+				vendor=ibm
+				;;
+			-ptx*)
+				vendor=sequent
+				;;
+			-tpf*)
+				vendor=ibm
+				;;
+			-vxsim* | -vxworks* | -windiss*)
+				vendor=wrs
+				;;
+			-aux*)
+				vendor=apple
+				;;
+			-hms*)
+				vendor=hitachi
+				;;
+			-mpw* | -macos*)
+				vendor=apple
+				;;
+			-*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
+				vendor=atari
+				;;
+			-vos*)
+				vendor=stratus
+				;;
+		esac
+		basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
+		;;
+esac
+
+echo $basic_machine$os
+exit
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "timestamp='"
+# time-stamp-format: "%:y-%02m-%02d"
+# time-stamp-end: "'"
+# End:
diff --git a/configure b/configure
new file mode 100755
index 0000000..c5f9766
--- /dev/null
+++ b/configure
@@ -0,0 +1,27024 @@
+#! /bin/sh
+# From configure.ac Id: configure.ac,v 1.22 2009/04/12 14:18:13 ed Exp .
+# Guess values for system-dependent variables and create Makefiles.
+# Generated by GNU Autoconf 2.62 for libcf 1.0-alpha4.
+#
+# Report bugs to <support at unidata.ucar.edu>.
+#
+# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
+# 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+# This configure script is free software; the Free Software Foundation
+# gives unlimited permission to copy, distribute and modify it.
+## --------------------- ##
+## M4sh Initialization.  ##
+## --------------------- ##
+
+# Be more Bourne compatible
+DUALCASE=1; export DUALCASE # for MKS sh
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in
+  *posix*) set -o posix ;;
+esac
+
+fi
+
+
+
+
+# PATH needs CR
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
+
+as_nl='
+'
+export as_nl
+# Printing a long string crashes Solaris 7 /usr/bin/printf.
+as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
+if (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='printf %s\n'
+  as_echo_n='printf %s'
+else
+  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
+    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
+    as_echo_n='/usr/ucb/echo -n'
+  else
+    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
+    as_echo_n_body='eval
+      arg=$1;
+      case $arg in
+      *"$as_nl"*)
+	expr "X$arg" : "X\\(.*\\)$as_nl";
+	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
+      esac;
+      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
+    '
+    export as_echo_n_body
+    as_echo_n='sh -c $as_echo_n_body as_echo'
+  fi
+  export as_echo_body
+  as_echo='sh -c $as_echo_body as_echo'
+fi
+
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+  PATH_SEPARATOR=:
+  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
+    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
+      PATH_SEPARATOR=';'
+  }
+fi
+
+# Support unset when possible.
+if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
+  as_unset=unset
+else
+  as_unset=false
+fi
+
+
+# IFS
+# We need space, tab and new line, in precisely that order.  Quoting is
+# there to prevent editors from complaining about space-tab.
+# (If _AS_PATH_WALK were called with IFS unset, it would disable word
+# splitting by setting IFS to empty value.)
+IFS=" ""	$as_nl"
+
+# Find who we are.  Look in the path if we contain no directory separator.
+case $0 in
+  *[\\/]* ) as_myself=$0 ;;
+  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+done
+IFS=$as_save_IFS
+
+     ;;
+esac
+# We did not find ourselves, most probably we were run as `sh COMMAND'
+# in which case we are not to be found in the path.
+if test "x$as_myself" = x; then
+  as_myself=$0
+fi
+if test ! -f "$as_myself"; then
+  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  { (exit 1); exit 1; }
+fi
+
+# Work around bugs in pre-3.0 UWIN ksh.
+for as_var in ENV MAIL MAILPATH
+do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
+done
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# NLS nuisances.
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# Required to use basename.
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
+  as_basename=basename
+else
+  as_basename=false
+fi
+
+
+# Name of the executable.
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+
+# CDPATH.
+$as_unset CDPATH
+
+
+if test "x$CONFIG_SHELL" = x; then
+  if (eval ":") 2>/dev/null; then
+  as_have_required=yes
+else
+  as_have_required=no
+fi
+
+  if test $as_have_required = yes &&	 (eval ":
+(as_func_return () {
+  (exit \$1)
+}
+as_func_success () {
+  as_func_return 0
+}
+as_func_failure () {
+  as_func_return 1
+}
+as_func_ret_success () {
+  return 0
+}
+as_func_ret_failure () {
+  return 1
+}
+
+exitcode=0
+if as_func_success; then
+  :
+else
+  exitcode=1
+  echo as_func_success failed.
+fi
+
+if as_func_failure; then
+  exitcode=1
+  echo as_func_failure succeeded.
+fi
+
+if as_func_ret_success; then
+  :
+else
+  exitcode=1
+  echo as_func_ret_success failed.
+fi
+
+if as_func_ret_failure; then
+  exitcode=1
+  echo as_func_ret_failure succeeded.
+fi
+
+if ( set x; as_func_ret_success y && test x = \"\$1\" ); then
+  :
+else
+  exitcode=1
+  echo positional parameters were not saved.
+fi
+
+test \$exitcode = 0) || { (exit 1); exit 1; }
+
+(
+  as_lineno_1=\$LINENO
+  as_lineno_2=\$LINENO
+  test \"x\$as_lineno_1\" != \"x\$as_lineno_2\" &&
+  test \"x\`expr \$as_lineno_1 + 1\`\" = \"x\$as_lineno_2\") || { (exit 1); exit 1; }
+") 2> /dev/null; then
+  :
+else
+  as_candidate_shells=
+    as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  case $as_dir in
+	 /*)
+	   for as_base in sh bash ksh sh5; do
+	     as_candidate_shells="$as_candidate_shells $as_dir/$as_base"
+	   done;;
+       esac
+done
+IFS=$as_save_IFS
+
+
+      for as_shell in $as_candidate_shells $SHELL; do
+	 # Try only shells that exist, to save several forks.
+	 if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
+		{ ("$as_shell") 2> /dev/null <<\_ASEOF
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in
+  *posix*) set -o posix ;;
+esac
+
+fi
+
+
+:
+_ASEOF
+}; then
+  CONFIG_SHELL=$as_shell
+	       as_have_required=yes
+	       if { "$as_shell" 2> /dev/null <<\_ASEOF
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in
+  *posix*) set -o posix ;;
+esac
+
+fi
+
+
+:
+(as_func_return () {
+  (exit $1)
+}
+as_func_success () {
+  as_func_return 0
+}
+as_func_failure () {
+  as_func_return 1
+}
+as_func_ret_success () {
+  return 0
+}
+as_func_ret_failure () {
+  return 1
+}
+
+exitcode=0
+if as_func_success; then
+  :
+else
+  exitcode=1
+  echo as_func_success failed.
+fi
+
+if as_func_failure; then
+  exitcode=1
+  echo as_func_failure succeeded.
+fi
+
+if as_func_ret_success; then
+  :
+else
+  exitcode=1
+  echo as_func_ret_success failed.
+fi
+
+if as_func_ret_failure; then
+  exitcode=1
+  echo as_func_ret_failure succeeded.
+fi
+
+if ( set x; as_func_ret_success y && test x = "$1" ); then
+  :
+else
+  exitcode=1
+  echo positional parameters were not saved.
+fi
+
+test $exitcode = 0) || { (exit 1); exit 1; }
+
+(
+  as_lineno_1=$LINENO
+  as_lineno_2=$LINENO
+  test "x$as_lineno_1" != "x$as_lineno_2" &&
+  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2") || { (exit 1); exit 1; }
+
+_ASEOF
+}; then
+  break
+fi
+
+fi
+
+      done
+
+      if test "x$CONFIG_SHELL" != x; then
+  for as_var in BASH_ENV ENV
+	do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
+	done
+	export CONFIG_SHELL
+	exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
+fi
+
+
+    if test $as_have_required = no; then
+  echo This script requires a shell more modern than all the
+      echo shells that I found on your system.  Please install a
+      echo modern shell, or manually run the script under such a
+      echo shell if you do have one.
+      { (exit 1); exit 1; }
+fi
+
+
+fi
+
+fi
+
+
+
+(eval "as_func_return () {
+  (exit \$1)
+}
+as_func_success () {
+  as_func_return 0
+}
+as_func_failure () {
+  as_func_return 1
+}
+as_func_ret_success () {
+  return 0
+}
+as_func_ret_failure () {
+  return 1
+}
+
+exitcode=0
+if as_func_success; then
+  :
+else
+  exitcode=1
+  echo as_func_success failed.
+fi
+
+if as_func_failure; then
+  exitcode=1
+  echo as_func_failure succeeded.
+fi
+
+if as_func_ret_success; then
+  :
+else
+  exitcode=1
+  echo as_func_ret_success failed.
+fi
+
+if as_func_ret_failure; then
+  exitcode=1
+  echo as_func_ret_failure succeeded.
+fi
+
+if ( set x; as_func_ret_success y && test x = \"\$1\" ); then
+  :
+else
+  exitcode=1
+  echo positional parameters were not saved.
+fi
+
+test \$exitcode = 0") || {
+  echo No shell found that supports shell functions.
+  echo Please tell bug-autoconf at gnu.org about your system,
+  echo including any error possibly output before this message.
+  echo This can help us improve future autoconf versions.
+  echo Configuration will now proceed without shell functions.
+}
+
+
+
+  as_lineno_1=$LINENO
+  as_lineno_2=$LINENO
+  test "x$as_lineno_1" != "x$as_lineno_2" &&
+  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2" || {
+
+  # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
+  # uniformly replaced by the line number.  The first 'sed' inserts a
+  # line-number line after each line using $LINENO; the second 'sed'
+  # does the real work.  The second script uses 'N' to pair each
+  # line-number line with the line containing $LINENO, and appends
+  # trailing '-' during substitution so that $LINENO is not a special
+  # case at line end.
+  # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
+  # scripts with optimization help from Paolo Bonzini.  Blame Lee
+  # E. McMahon (1931-1989) for sed's syntax.  :-)
+  sed -n '
+    p
+    /[$]LINENO/=
+  ' <$as_myself |
+    sed '
+      s/[$]LINENO.*/&-/
+      t lineno
+      b
+      :lineno
+      N
+      :loop
+      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
+      t loop
+      s/-\n.*//
+    ' >$as_me.lineno &&
+  chmod +x "$as_me.lineno" ||
+    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2
+   { (exit 1); exit 1; }; }
+
+  # Don't try to exec as it changes $[0], causing all sort of problems
+  # (the dirname of $[0] is not the place where we might find the
+  # original and so on.  Autoconf is especially sensitive to this).
+  . "./$as_me.lineno"
+  # Exit status is that of the last command.
+  exit
+}
+
+
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
+
+ECHO_C= ECHO_N= ECHO_T=
+case `echo -n x` in
+-n*)
+  case `echo 'x\c'` in
+  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
+  *)   ECHO_C='\c';;
+  esac;;
+*)
+  ECHO_N='-n';;
+esac
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
+rm -f conf$$ conf$$.exe conf$$.file
+if test -d conf$$.dir; then
+  rm -f conf$$.dir/conf$$.file
+else
+  rm -f conf$$.dir
+  mkdir conf$$.dir 2>/dev/null
+fi
+if (echo >conf$$.file) 2>/dev/null; then
+  if ln -s conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s='ln -s'
+    # ... but there are two gotchas:
+    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+    # In both cases, we have to default to `cp -p'.
+    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+      as_ln_s='cp -p'
+  elif ln conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s=ln
+  else
+    as_ln_s='cp -p'
+  fi
+else
+  as_ln_s='cp -p'
+fi
+rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
+rmdir conf$$.dir 2>/dev/null
+
+if mkdir -p . 2>/dev/null; then
+  as_mkdir_p=:
+else
+  test -d ./-p && rmdir ./-p
+  as_mkdir_p=false
+fi
+
+if test -x / >/dev/null 2>&1; then
+  as_test_x='test -x'
+else
+  if ls -dL / >/dev/null 2>&1; then
+    as_ls_L_option=L
+  else
+    as_ls_L_option=
+  fi
+  as_test_x='
+    eval sh -c '\''
+      if test -d "$1"; then
+	test -d "$1/.";
+      else
+	case $1 in
+	-*)set "./$1";;
+	esac;
+	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in
+	???[sx]*):;;*)false;;esac;fi
+    '\'' sh
+  '
+fi
+as_executable_p=$as_test_x
+
+# Sed expression to map a string onto a valid CPP name.
+as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+
+# Sed expression to map a string onto a valid variable name.
+as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+
+
+
+
+# Check that we are running under the correct shell.
+SHELL=${CONFIG_SHELL-/bin/sh}
+
+case X$lt_ECHO in
+X*--fallback-echo)
+  # Remove one level of quotation (which was required for Make).
+  ECHO=`echo "$lt_ECHO" | sed 's,\\\\\$\\$0,'$0','`
+  ;;
+esac
+
+ECHO=${lt_ECHO-echo}
+if test "X$1" = X--no-reexec; then
+  # Discard the --no-reexec flag, and continue.
+  shift
+elif test "X$1" = X--fallback-echo; then
+  # Avoid inline document here, it may be left over
+  :
+elif test "X`{ $ECHO '\t'; } 2>/dev/null`" = 'X\t' ; then
+  # Yippee, $ECHO works!
+  :
+else
+  # Restart under the correct shell.
+  exec $SHELL "$0" --no-reexec ${1+"$@"}
+fi
+
+if test "X$1" = X--fallback-echo; then
+  # used as fallback echo
+  shift
+  cat <<_LT_EOF
+$*
+_LT_EOF
+  exit 0
+fi
+
+# The HP-UX ksh and POSIX shell print the target directory to stdout
+# if CDPATH is set.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+if test -z "$lt_ECHO"; then
+  if test "X${echo_test_string+set}" != Xset; then
+    # find a string as large as possible, as long as the shell can cope with it
+    for cmd in 'sed 50q "$0"' 'sed 20q "$0"' 'sed 10q "$0"' 'sed 2q "$0"' 'echo test'; do
+      # expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ...
+      if { echo_test_string=`eval $cmd`; } 2>/dev/null &&
+	 { test "X$echo_test_string" = "X$echo_test_string"; } 2>/dev/null
+      then
+        break
+      fi
+    done
+  fi
+
+  if test "X`{ $ECHO '\t'; } 2>/dev/null`" = 'X\t' &&
+     echo_testing_string=`{ $ECHO "$echo_test_string"; } 2>/dev/null` &&
+     test "X$echo_testing_string" = "X$echo_test_string"; then
+    :
+  else
+    # The Solaris, AIX, and Digital Unix default echo programs unquote
+    # backslashes.  This makes it impossible to quote backslashes using
+    #   echo "$something" | sed 's/\\/\\\\/g'
+    #
+    # So, first we look for a working echo in the user's PATH.
+
+    lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+    for dir in $PATH /usr/ucb; do
+      IFS="$lt_save_ifs"
+      if (test -f $dir/echo || test -f $dir/echo$ac_exeext) &&
+         test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' &&
+         echo_testing_string=`($dir/echo "$echo_test_string") 2>/dev/null` &&
+         test "X$echo_testing_string" = "X$echo_test_string"; then
+        ECHO="$dir/echo"
+        break
+      fi
+    done
+    IFS="$lt_save_ifs"
+
+    if test "X$ECHO" = Xecho; then
+      # We didn't find a better echo, so look for alternatives.
+      if test "X`{ print -r '\t'; } 2>/dev/null`" = 'X\t' &&
+         echo_testing_string=`{ print -r "$echo_test_string"; } 2>/dev/null` &&
+         test "X$echo_testing_string" = "X$echo_test_string"; then
+        # This shell has a builtin print -r that does the trick.
+        ECHO='print -r'
+      elif { test -f /bin/ksh || test -f /bin/ksh$ac_exeext; } &&
+	   test "X$CONFIG_SHELL" != X/bin/ksh; then
+        # If we have ksh, try running configure again with it.
+        ORIGINAL_CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
+        export ORIGINAL_CONFIG_SHELL
+        CONFIG_SHELL=/bin/ksh
+        export CONFIG_SHELL
+        exec $CONFIG_SHELL "$0" --no-reexec ${1+"$@"}
+      else
+        # Try using printf.
+        ECHO='printf %s\n'
+        if test "X`{ $ECHO '\t'; } 2>/dev/null`" = 'X\t' &&
+	   echo_testing_string=`{ $ECHO "$echo_test_string"; } 2>/dev/null` &&
+	   test "X$echo_testing_string" = "X$echo_test_string"; then
+	  # Cool, printf works
+	  :
+        elif echo_testing_string=`($ORIGINAL_CONFIG_SHELL "$0" --fallback-echo '\t') 2>/dev/null` &&
+	     test "X$echo_testing_string" = 'X\t' &&
+	     echo_testing_string=`($ORIGINAL_CONFIG_SHELL "$0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
+	     test "X$echo_testing_string" = "X$echo_test_string"; then
+	  CONFIG_SHELL=$ORIGINAL_CONFIG_SHELL
+	  export CONFIG_SHELL
+	  SHELL="$CONFIG_SHELL"
+	  export SHELL
+	  ECHO="$CONFIG_SHELL $0 --fallback-echo"
+        elif echo_testing_string=`($CONFIG_SHELL "$0" --fallback-echo '\t') 2>/dev/null` &&
+	     test "X$echo_testing_string" = 'X\t' &&
+	     echo_testing_string=`($CONFIG_SHELL "$0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
+	     test "X$echo_testing_string" = "X$echo_test_string"; then
+	  ECHO="$CONFIG_SHELL $0 --fallback-echo"
+        else
+	  # maybe with a smaller string...
+	  prev=:
+
+	  for cmd in 'echo test' 'sed 2q "$0"' 'sed 10q "$0"' 'sed 20q "$0"' 'sed 50q "$0"'; do
+	    if { test "X$echo_test_string" = "X`eval $cmd`"; } 2>/dev/null
+	    then
+	      break
+	    fi
+	    prev="$cmd"
+	  done
+
+	  if test "$prev" != 'sed 50q "$0"'; then
+	    echo_test_string=`eval $prev`
+	    export echo_test_string
+	    exec ${ORIGINAL_CONFIG_SHELL-${CONFIG_SHELL-/bin/sh}} "$0" ${1+"$@"}
+	  else
+	    # Oops.  We lost completely, so just stick with echo.
+	    ECHO=echo
+	  fi
+        fi
+      fi
+    fi
+  fi
+fi
+
+# Copy echo and quote the copy suitably for passing to libtool from
+# the Makefile, instead of quoting the original, which is used later.
+lt_ECHO=$ECHO
+if test "X$lt_ECHO" = "X$CONFIG_SHELL $0 --fallback-echo"; then
+   lt_ECHO="$CONFIG_SHELL \\\$\$0 --fallback-echo"
+fi
+
+
+
+
+exec 7<&0 </dev/null 6>&1
+
+# Name of the host.
+# hostname on some systems (SVR3.2, Linux) returns a bogus exit status,
+# so uname gets run too.
+ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`
+
+#
+# Initializations.
+#
+ac_default_prefix=/usr/local
+ac_clean_files=
+ac_config_libobj_dir=.
+LIBOBJS=
+cross_compiling=no
+subdirs=
+MFLAGS=
+MAKEFLAGS=
+SHELL=${CONFIG_SHELL-/bin/sh}
+
+# Identity of this package.
+PACKAGE_NAME='libcf'
+PACKAGE_TARNAME='libcf'
+PACKAGE_VERSION='1.0-alpha4'
+PACKAGE_STRING='libcf 1.0-alpha4'
+PACKAGE_BUGREPORT='support at unidata.ucar.edu'
+
+ac_unique_file="src/nccoord.c"
+# Factoring default headers for most tests.
+ac_includes_default="\
+#include <stdio.h>
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
+#ifdef STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#else
+# ifdef HAVE_STDLIB_H
+#  include <stdlib.h>
+# endif
+#endif
+#ifdef HAVE_STRING_H
+# if !defined STDC_HEADERS && defined HAVE_MEMORY_H
+#  include <memory.h>
+# endif
+# include <string.h>
+#endif
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif
+#ifdef HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+#ifdef HAVE_STDINT_H
+# include <stdint.h>
+#endif
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif"
+
+ac_subst_vars='SHELL
+PATH_SEPARATOR
+PACKAGE_NAME
+PACKAGE_TARNAME
+PACKAGE_VERSION
+PACKAGE_STRING
+PACKAGE_BUGREPORT
+exec_prefix
+prefix
+program_transform_name
+bindir
+sbindir
+libexecdir
+datarootdir
+datadir
+sysconfdir
+sharedstatedir
+localstatedir
+includedir
+oldincludedir
+docdir
+infodir
+htmldir
+dvidir
+pdfdir
+psdir
+libdir
+localedir
+mandir
+DEFS
+ECHO_C
+ECHO_N
+ECHO_T
+LIBS
+build_alias
+host_alias
+target_alias
+build
+build_cpu
+build_vendor
+build_os
+host
+host_cpu
+host_vendor
+host_os
+INSTALL_PROGRAM
+INSTALL_SCRIPT
+INSTALL_DATA
+am__isrc
+CYGPATH_W
+PACKAGE
+VERSION
+ACLOCAL
+AUTOCONF
+AUTOMAKE
+AUTOHEADER
+MAKEINFO
+install_sh
+STRIP
+INSTALL_STRIP_PROGRAM
+MKDIR_P
+mkdir_p
+AWK
+SET_MAKE
+am__leading_dot
+AMTAR
+am__tar
+am__untar
+BUILD_DOCS_TRUE
+BUILD_DOCS_FALSE
+BUILD_GRIDSPEC_TRUE
+BUILD_GRIDSPEC_FALSE
+BUILD_CFCHECK_TRUE
+BUILD_CFCHECK_FALSE
+USE_NETCDF4_TRUE
+USE_NETCDF4_FALSE
+EXTRA_DATA_TESTS_TRUE
+EXTRA_DATA_TESTS_FALSE
+USE_HDF5_DIR_TRUE
+USE_HDF5_DIR_FALSE
+HDF5DIR
+BUILD_F90_TRUE
+BUILD_F90_FALSE
+USE_NETCDF_DIR_TRUE
+USE_NETCDF_DIR_FALSE
+NETCDFDIR
+CC
+CFLAGS
+LDFLAGS
+CPPFLAGS
+ac_ct_CC
+EXEEXT
+OBJEXT
+DEPDIR
+am__include
+am__quote
+AMDEP_TRUE
+AMDEP_FALSE
+AMDEPBACKSLASH
+CCDEPMODE
+am__fastdepCC_TRUE
+am__fastdepCC_FALSE
+F77
+FFLAGS
+ac_ct_F77
+FC
+FCFLAGS
+ac_ct_FC
+AS
+DLLTOOL
+OBJDUMP
+LIBTOOL
+SED
+GREP
+EGREP
+FGREP
+LD
+DUMPBIN
+ac_ct_DUMPBIN
+NM
+LN_S
+AR
+RANLIB
+lt_ECHO
+DSYMUTIL
+NMEDIT
+LIPO
+OTOOL
+OTOOL64
+CPP
+FLIBS
+FPP
+COMPILE_F
+FPPFLAGS
+NMFLAGS
+MATHLIB
+ALLOCA
+prog
+WHATIS
+MAKEWHATIS_CMD
+LIBOBJS
+LTLIBOBJS'
+ac_subst_files=''
+ac_user_opts='
+enable_option_checking
+enable_shared
+enable_docs
+enable_gridspec
+enable_cfcheck
+enable_logging
+enable_netcdf_4
+enable_extra_data_tests
+with_hdf5
+enable_f90
+with_netcdf
+enable_dependency_tracking
+enable_static
+with_pic
+enable_fast_install
+with_gnu_ld
+enable_libtool_lock
+enable_largefile
+'
+      ac_precious_vars='build_alias
+host_alias
+target_alias
+CC
+CFLAGS
+LDFLAGS
+LIBS
+CPPFLAGS
+F77
+FFLAGS
+FC
+FCFLAGS
+CPP'
+
+
+# Initialize some variables set by options.
+ac_init_help=
+ac_init_version=false
+ac_unrecognized_opts=
+ac_unrecognized_sep=
+# The variables have the same names as the options, with
+# dashes changed to underlines.
+cache_file=/dev/null
+exec_prefix=NONE
+no_create=
+no_recursion=
+prefix=NONE
+program_prefix=NONE
+program_suffix=NONE
+program_transform_name=s,x,x,
+silent=
+site=
+srcdir=
+verbose=
+x_includes=NONE
+x_libraries=NONE
+
+# Installation directory options.
+# These are left unexpanded so users can "make install exec_prefix=/foo"
+# and all the variables that are supposed to be based on exec_prefix
+# by default will actually change.
+# Use braces instead of parens because sh, perl, etc. also accept them.
+# (The list follows the same order as the GNU Coding Standards.)
+bindir='${exec_prefix}/bin'
+sbindir='${exec_prefix}/sbin'
+libexecdir='${exec_prefix}/libexec'
+datarootdir='${prefix}/share'
+datadir='${datarootdir}'
+sysconfdir='${prefix}/etc'
+sharedstatedir='${prefix}/com'
+localstatedir='${prefix}/var'
+includedir='${prefix}/include'
+oldincludedir='/usr/include'
+docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
+infodir='${datarootdir}/info'
+htmldir='${docdir}'
+dvidir='${docdir}'
+pdfdir='${docdir}'
+psdir='${docdir}'
+libdir='${exec_prefix}/lib'
+localedir='${datarootdir}/locale'
+mandir='${datarootdir}/man'
+
+ac_prev=
+ac_dashdash=
+for ac_option
+do
+  # If the previous option needs an argument, assign it.
+  if test -n "$ac_prev"; then
+    eval $ac_prev=\$ac_option
+    ac_prev=
+    continue
+  fi
+
+  case $ac_option in
+  *=*)	ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
+  *)	ac_optarg=yes ;;
+  esac
+
+  # Accept the important Cygnus configure options, so we can diagnose typos.
+
+  case $ac_dashdash$ac_option in
+  --)
+    ac_dashdash=yes ;;
+
+  -bindir | --bindir | --bindi | --bind | --bin | --bi)
+    ac_prev=bindir ;;
+  -bindir=* | --bindir=* | --bindi=* | --bind=* | --bin=* | --bi=*)
+    bindir=$ac_optarg ;;
+
+  -build | --build | --buil | --bui | --bu)
+    ac_prev=build_alias ;;
+  -build=* | --build=* | --buil=* | --bui=* | --bu=*)
+    build_alias=$ac_optarg ;;
+
+  -cache-file | --cache-file | --cache-fil | --cache-fi \
+  | --cache-f | --cache- | --cache | --cach | --cac | --ca | --c)
+    ac_prev=cache_file ;;
+  -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \
+  | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* | --c=*)
+    cache_file=$ac_optarg ;;
+
+  --config-cache | -C)
+    cache_file=config.cache ;;
+
+  -datadir | --datadir | --datadi | --datad)
+    ac_prev=datadir ;;
+  -datadir=* | --datadir=* | --datadi=* | --datad=*)
+    datadir=$ac_optarg ;;
+
+  -datarootdir | --datarootdir | --datarootdi | --datarootd | --dataroot \
+  | --dataroo | --dataro | --datar)
+    ac_prev=datarootdir ;;
+  -datarootdir=* | --datarootdir=* | --datarootdi=* | --datarootd=* \
+  | --dataroot=* | --dataroo=* | --dataro=* | --datar=*)
+    datarootdir=$ac_optarg ;;
+
+  -disable-* | --disable-*)
+    ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
+    # Reject names that are not valid shell variable names.
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      { $as_echo "$as_me: error: invalid feature name: $ac_useropt" >&2
+   { (exit 1); exit 1; }; }
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"enable_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--disable-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval enable_$ac_useropt=no ;;
+
+  -docdir | --docdir | --docdi | --doc | --do)
+    ac_prev=docdir ;;
+  -docdir=* | --docdir=* | --docdi=* | --doc=* | --do=*)
+    docdir=$ac_optarg ;;
+
+  -dvidir | --dvidir | --dvidi | --dvid | --dvi | --dv)
+    ac_prev=dvidir ;;
+  -dvidir=* | --dvidir=* | --dvidi=* | --dvid=* | --dvi=* | --dv=*)
+    dvidir=$ac_optarg ;;
+
+  -enable-* | --enable-*)
+    ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
+    # Reject names that are not valid shell variable names.
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      { $as_echo "$as_me: error: invalid feature name: $ac_useropt" >&2
+   { (exit 1); exit 1; }; }
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"enable_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--enable-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval enable_$ac_useropt=\$ac_optarg ;;
+
+  -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
+  | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
+  | --exec | --exe | --ex)
+    ac_prev=exec_prefix ;;
+  -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \
+  | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* \
+  | --exec=* | --exe=* | --ex=*)
+    exec_prefix=$ac_optarg ;;
+
+  -gas | --gas | --ga | --g)
+    # Obsolete; use --with-gas.
+    with_gas=yes ;;
+
+  -help | --help | --hel | --he | -h)
+    ac_init_help=long ;;
+  -help=r* | --help=r* | --hel=r* | --he=r* | -hr*)
+    ac_init_help=recursive ;;
+  -help=s* | --help=s* | --hel=s* | --he=s* | -hs*)
+    ac_init_help=short ;;
+
+  -host | --host | --hos | --ho)
+    ac_prev=host_alias ;;
+  -host=* | --host=* | --hos=* | --ho=*)
+    host_alias=$ac_optarg ;;
+
+  -htmldir | --htmldir | --htmldi | --htmld | --html | --htm | --ht)
+    ac_prev=htmldir ;;
+  -htmldir=* | --htmldir=* | --htmldi=* | --htmld=* | --html=* | --htm=* \
+  | --ht=*)
+    htmldir=$ac_optarg ;;
+
+  -includedir | --includedir | --includedi | --included | --include \
+  | --includ | --inclu | --incl | --inc)
+    ac_prev=includedir ;;
+  -includedir=* | --includedir=* | --includedi=* | --included=* | --include=* \
+  | --includ=* | --inclu=* | --incl=* | --inc=*)
+    includedir=$ac_optarg ;;
+
+  -infodir | --infodir | --infodi | --infod | --info | --inf)
+    ac_prev=infodir ;;
+  -infodir=* | --infodir=* | --infodi=* | --infod=* | --info=* | --inf=*)
+    infodir=$ac_optarg ;;
+
+  -libdir | --libdir | --libdi | --libd)
+    ac_prev=libdir ;;
+  -libdir=* | --libdir=* | --libdi=* | --libd=*)
+    libdir=$ac_optarg ;;
+
+  -libexecdir | --libexecdir | --libexecdi | --libexecd | --libexec \
+  | --libexe | --libex | --libe)
+    ac_prev=libexecdir ;;
+  -libexecdir=* | --libexecdir=* | --libexecdi=* | --libexecd=* | --libexec=* \
+  | --libexe=* | --libex=* | --libe=*)
+    libexecdir=$ac_optarg ;;
+
+  -localedir | --localedir | --localedi | --localed | --locale)
+    ac_prev=localedir ;;
+  -localedir=* | --localedir=* | --localedi=* | --localed=* | --locale=*)
+    localedir=$ac_optarg ;;
+
+  -localstatedir | --localstatedir | --localstatedi | --localstated \
+  | --localstate | --localstat | --localsta | --localst | --locals)
+    ac_prev=localstatedir ;;
+  -localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* \
+  | --localstate=* | --localstat=* | --localsta=* | --localst=* | --locals=*)
+    localstatedir=$ac_optarg ;;
+
+  -mandir | --mandir | --mandi | --mand | --man | --ma | --m)
+    ac_prev=mandir ;;
+  -mandir=* | --mandir=* | --mandi=* | --mand=* | --man=* | --ma=* | --m=*)
+    mandir=$ac_optarg ;;
+
+  -nfp | --nfp | --nf)
+    # Obsolete; use --without-fp.
+    with_fp=no ;;
+
+  -no-create | --no-create | --no-creat | --no-crea | --no-cre \
+  | --no-cr | --no-c | -n)
+    no_create=yes ;;
+
+  -no-recursion | --no-recursion | --no-recursio | --no-recursi \
+  | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r)
+    no_recursion=yes ;;
+
+  -oldincludedir | --oldincludedir | --oldincludedi | --oldincluded \
+  | --oldinclude | --oldinclud | --oldinclu | --oldincl | --oldinc \
+  | --oldin | --oldi | --old | --ol | --o)
+    ac_prev=oldincludedir ;;
+  -oldincludedir=* | --oldincludedir=* | --oldincludedi=* | --oldincluded=* \
+  | --oldinclude=* | --oldinclud=* | --oldinclu=* | --oldincl=* | --oldinc=* \
+  | --oldin=* | --oldi=* | --old=* | --ol=* | --o=*)
+    oldincludedir=$ac_optarg ;;
+
+  -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
+    ac_prev=prefix ;;
+  -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
+    prefix=$ac_optarg ;;
+
+  -program-prefix | --program-prefix | --program-prefi | --program-pref \
+  | --program-pre | --program-pr | --program-p)
+    ac_prev=program_prefix ;;
+  -program-prefix=* | --program-prefix=* | --program-prefi=* \
+  | --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*)
+    program_prefix=$ac_optarg ;;
+
+  -program-suffix | --program-suffix | --program-suffi | --program-suff \
+  | --program-suf | --program-su | --program-s)
+    ac_prev=program_suffix ;;
+  -program-suffix=* | --program-suffix=* | --program-suffi=* \
+  | --program-suff=* | --program-suf=* | --program-su=* | --program-s=*)
+    program_suffix=$ac_optarg ;;
+
+  -program-transform-name | --program-transform-name \
+  | --program-transform-nam | --program-transform-na \
+  | --program-transform-n | --program-transform- \
+  | --program-transform | --program-transfor \
+  | --program-transfo | --program-transf \
+  | --program-trans | --program-tran \
+  | --progr-tra | --program-tr | --program-t)
+    ac_prev=program_transform_name ;;
+  -program-transform-name=* | --program-transform-name=* \
+  | --program-transform-nam=* | --program-transform-na=* \
+  | --program-transform-n=* | --program-transform-=* \
+  | --program-transform=* | --program-transfor=* \
+  | --program-transfo=* | --program-transf=* \
+  | --program-trans=* | --program-tran=* \
+  | --progr-tra=* | --program-tr=* | --program-t=*)
+    program_transform_name=$ac_optarg ;;
+
+  -pdfdir | --pdfdir | --pdfdi | --pdfd | --pdf | --pd)
+    ac_prev=pdfdir ;;
+  -pdfdir=* | --pdfdir=* | --pdfdi=* | --pdfd=* | --pdf=* | --pd=*)
+    pdfdir=$ac_optarg ;;
+
+  -psdir | --psdir | --psdi | --psd | --ps)
+    ac_prev=psdir ;;
+  -psdir=* | --psdir=* | --psdi=* | --psd=* | --ps=*)
+    psdir=$ac_optarg ;;
+
+  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+  | -silent | --silent | --silen | --sile | --sil)
+    silent=yes ;;
+
+  -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
+    ac_prev=sbindir ;;
+  -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
+  | --sbi=* | --sb=*)
+    sbindir=$ac_optarg ;;
+
+  -sharedstatedir | --sharedstatedir | --sharedstatedi \
+  | --sharedstated | --sharedstate | --sharedstat | --sharedsta \
+  | --sharedst | --shareds | --shared | --share | --shar \
+  | --sha | --sh)
+    ac_prev=sharedstatedir ;;
+  -sharedstatedir=* | --sharedstatedir=* | --sharedstatedi=* \
+  | --sharedstated=* | --sharedstate=* | --sharedstat=* | --sharedsta=* \
+  | --sharedst=* | --shareds=* | --shared=* | --share=* | --shar=* \
+  | --sha=* | --sh=*)
+    sharedstatedir=$ac_optarg ;;
+
+  -site | --site | --sit)
+    ac_prev=site ;;
+  -site=* | --site=* | --sit=*)
+    site=$ac_optarg ;;
+
+  -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
+    ac_prev=srcdir ;;
+  -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
+    srcdir=$ac_optarg ;;
+
+  -sysconfdir | --sysconfdir | --sysconfdi | --sysconfd | --sysconf \
+  | --syscon | --sysco | --sysc | --sys | --sy)
+    ac_prev=sysconfdir ;;
+  -sysconfdir=* | --sysconfdir=* | --sysconfdi=* | --sysconfd=* | --sysconf=* \
+  | --syscon=* | --sysco=* | --sysc=* | --sys=* | --sy=*)
+    sysconfdir=$ac_optarg ;;
+
+  -target | --target | --targe | --targ | --tar | --ta | --t)
+    ac_prev=target_alias ;;
+  -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=* | --t=*)
+    target_alias=$ac_optarg ;;
+
+  -v | -verbose | --verbose | --verbos | --verbo | --verb)
+    verbose=yes ;;
+
+  -version | --version | --versio | --versi | --vers | -V)
+    ac_init_version=: ;;
+
+  -with-* | --with-*)
+    ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
+    # Reject names that are not valid shell variable names.
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      { $as_echo "$as_me: error: invalid package name: $ac_useropt" >&2
+   { (exit 1); exit 1; }; }
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"with_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--with-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval with_$ac_useropt=\$ac_optarg ;;
+
+  -without-* | --without-*)
+    ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
+    # Reject names that are not valid shell variable names.
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      { $as_echo "$as_me: error: invalid package name: $ac_useropt" >&2
+   { (exit 1); exit 1; }; }
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"with_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--without-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval with_$ac_useropt=no ;;
+
+  --x)
+    # Obsolete; use --with-x.
+    with_x=yes ;;
+
+  -x-includes | --x-includes | --x-include | --x-includ | --x-inclu \
+  | --x-incl | --x-inc | --x-in | --x-i)
+    ac_prev=x_includes ;;
+  -x-includes=* | --x-includes=* | --x-include=* | --x-includ=* | --x-inclu=* \
+  | --x-incl=* | --x-inc=* | --x-in=* | --x-i=*)
+    x_includes=$ac_optarg ;;
+
+  -x-libraries | --x-libraries | --x-librarie | --x-librari \
+  | --x-librar | --x-libra | --x-libr | --x-lib | --x-li | --x-l)
+    ac_prev=x_libraries ;;
+  -x-libraries=* | --x-libraries=* | --x-librarie=* | --x-librari=* \
+  | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
+    x_libraries=$ac_optarg ;;
+
+  -*) { $as_echo "$as_me: error: unrecognized option: $ac_option
+Try \`$0 --help' for more information." >&2
+   { (exit 1); exit 1; }; }
+    ;;
+
+  *=*)
+    ac_envvar=`expr "x$ac_option" : 'x\([^=]*\)='`
+    # Reject names that are not valid shell variable names.
+    expr "x$ac_envvar" : ".*[^_$as_cr_alnum]" >/dev/null &&
+      { $as_echo "$as_me: error: invalid variable name: $ac_envvar" >&2
+   { (exit 1); exit 1; }; }
+    eval $ac_envvar=\$ac_optarg
+    export $ac_envvar ;;
+
+  *)
+    # FIXME: should be removed in autoconf 3.0.
+    $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2
+    expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
+      $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2
+    : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}
+    ;;
+
+  esac
+done
+
+if test -n "$ac_prev"; then
+  ac_option=--`echo $ac_prev | sed 's/_/-/g'`
+  { $as_echo "$as_me: error: missing argument to $ac_option" >&2
+   { (exit 1); exit 1; }; }
+fi
+
+if test -n "$ac_unrecognized_opts"; then
+  case $enable_option_checking in
+    no) ;;
+    fatal) { $as_echo "$as_me: error: Unrecognized options: $ac_unrecognized_opts" >&2
+   { (exit 1); exit 1; }; } ;;
+    *)     $as_echo "$as_me: WARNING: Unrecognized options: $ac_unrecognized_opts" >&2 ;;
+  esac
+fi
+
+# Check all directory arguments for consistency.
+for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
+		datadir sysconfdir sharedstatedir localstatedir includedir \
+		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
+		libdir localedir mandir
+do
+  eval ac_val=\$$ac_var
+  # Remove trailing slashes.
+  case $ac_val in
+    */ )
+      ac_val=`expr "X$ac_val" : 'X\(.*[^/]\)' \| "X$ac_val" : 'X\(.*\)'`
+      eval $ac_var=\$ac_val;;
+  esac
+  # Be sure to have absolute directory names.
+  case $ac_val in
+    [\\/$]* | ?:[\\/]* )  continue;;
+    NONE | '' ) case $ac_var in *prefix ) continue;; esac;;
+  esac
+  { $as_echo "$as_me: error: expected an absolute directory name for --$ac_var: $ac_val" >&2
+   { (exit 1); exit 1; }; }
+done
+
+# There might be people who depend on the old broken behavior: `$host'
+# used to hold the argument of --host etc.
+# FIXME: To remove some day.
+build=$build_alias
+host=$host_alias
+target=$target_alias
+
+# FIXME: To remove some day.
+if test "x$host_alias" != x; then
+  if test "x$build_alias" = x; then
+    cross_compiling=maybe
+    $as_echo "$as_me: WARNING: If you wanted to set the --build type, don't use --host.
+    If a cross compiler is detected then cross compile mode will be used." >&2
+  elif test "x$build_alias" != "x$host_alias"; then
+    cross_compiling=yes
+  fi
+fi
+
+ac_tool_prefix=
+test -n "$host_alias" && ac_tool_prefix=$host_alias-
+
+test "$silent" = yes && exec 6>/dev/null
+
+
+ac_pwd=`pwd` && test -n "$ac_pwd" &&
+ac_ls_di=`ls -di .` &&
+ac_pwd_ls_di=`cd "$ac_pwd" && ls -di .` ||
+  { $as_echo "$as_me: error: Working directory cannot be determined" >&2
+   { (exit 1); exit 1; }; }
+test "X$ac_ls_di" = "X$ac_pwd_ls_di" ||
+  { $as_echo "$as_me: error: pwd does not report name of working directory" >&2
+   { (exit 1); exit 1; }; }
+
+
+# Find the source files, if location was not specified.
+if test -z "$srcdir"; then
+  ac_srcdir_defaulted=yes
+  # Try the directory containing this script, then the parent directory.
+  ac_confdir=`$as_dirname -- "$as_myself" ||
+$as_expr X"$as_myself" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_myself" : 'X\(//\)[^/]' \| \
+	 X"$as_myself" : 'X\(//\)$' \| \
+	 X"$as_myself" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$as_myself" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+  srcdir=$ac_confdir
+  if test ! -r "$srcdir/$ac_unique_file"; then
+    srcdir=..
+  fi
+else
+  ac_srcdir_defaulted=no
+fi
+if test ! -r "$srcdir/$ac_unique_file"; then
+  test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .."
+  { $as_echo "$as_me: error: cannot find sources ($ac_unique_file) in $srcdir" >&2
+   { (exit 1); exit 1; }; }
+fi
+ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work"
+ac_abs_confdir=`(
+	cd "$srcdir" && test -r "./$ac_unique_file" || { $as_echo "$as_me: error: $ac_msg" >&2
+   { (exit 1); exit 1; }; }
+	pwd)`
+# When building in place, set srcdir=.
+if test "$ac_abs_confdir" = "$ac_pwd"; then
+  srcdir=.
+fi
+# Remove unnecessary trailing slashes from srcdir.
+# Double slashes in file names in object file debugging info
+# mess up M-x gdb in Emacs.
+case $srcdir in
+*/) srcdir=`expr "X$srcdir" : 'X\(.*[^/]\)' \| "X$srcdir" : 'X\(.*\)'`;;
+esac
+for ac_var in $ac_precious_vars; do
+  eval ac_env_${ac_var}_set=\${${ac_var}+set}
+  eval ac_env_${ac_var}_value=\$${ac_var}
+  eval ac_cv_env_${ac_var}_set=\${${ac_var}+set}
+  eval ac_cv_env_${ac_var}_value=\$${ac_var}
+done
+
+#
+# Report the --help message.
+#
+if test "$ac_init_help" = "long"; then
+  # Omit some internal or obsolete options to make the list less imposing.
+  # This message is too long to be a string in the A/UX 3.1 sh.
+  cat <<_ACEOF
+\`configure' configures libcf 1.0-alpha4 to adapt to many kinds of systems.
+
+Usage: $0 [OPTION]... [VAR=VALUE]...
+
+To assign environment variables (e.g., CC, CFLAGS...), specify them as
+VAR=VALUE.  See below for descriptions of some of the useful variables.
+
+Defaults for the options are specified in brackets.
+
+Configuration:
+  -h, --help              display this help and exit
+      --help=short        display options specific to this package
+      --help=recursive    display the short help of all the included packages
+  -V, --version           display version information and exit
+  -q, --quiet, --silent   do not print \`checking...' messages
+      --cache-file=FILE   cache test results in FILE [disabled]
+  -C, --config-cache      alias for \`--cache-file=config.cache'
+  -n, --no-create         do not create output files
+      --srcdir=DIR        find the sources in DIR [configure dir or \`..']
+
+Installation directories:
+  --prefix=PREFIX         install architecture-independent files in PREFIX
+                          [$ac_default_prefix]
+  --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX
+                          [PREFIX]
+
+By default, \`make install' will install all the files in
+\`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc.  You can specify
+an installation prefix other than \`$ac_default_prefix' using \`--prefix',
+for instance \`--prefix=\$HOME'.
+
+For better control, use the options below.
+
+Fine tuning of the installation directories:
+  --bindir=DIR            user executables [EPREFIX/bin]
+  --sbindir=DIR           system admin executables [EPREFIX/sbin]
+  --libexecdir=DIR        program executables [EPREFIX/libexec]
+  --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
+  --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
+  --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
+  --libdir=DIR            object code libraries [EPREFIX/lib]
+  --includedir=DIR        C header files [PREFIX/include]
+  --oldincludedir=DIR     C header files for non-gcc [/usr/include]
+  --datarootdir=DIR       read-only arch.-independent data root [PREFIX/share]
+  --datadir=DIR           read-only architecture-independent data [DATAROOTDIR]
+  --infodir=DIR           info documentation [DATAROOTDIR/info]
+  --localedir=DIR         locale-dependent data [DATAROOTDIR/locale]
+  --mandir=DIR            man documentation [DATAROOTDIR/man]
+  --docdir=DIR            documentation root [DATAROOTDIR/doc/libcf]
+  --htmldir=DIR           html documentation [DOCDIR]
+  --dvidir=DIR            dvi documentation [DOCDIR]
+  --pdfdir=DIR            pdf documentation [DOCDIR]
+  --psdir=DIR             ps documentation [DOCDIR]
+_ACEOF
+
+  cat <<\_ACEOF
+
+Program names:
+  --program-prefix=PREFIX            prepend PREFIX to installed program names
+  --program-suffix=SUFFIX            append SUFFIX to installed program names
+  --program-transform-name=PROGRAM   run sed PROGRAM on installed program names
+
+System types:
+  --build=BUILD     configure for building on BUILD [guessed]
+  --host=HOST       cross-compile to build programs to run on HOST [BUILD]
+_ACEOF
+fi
+
+if test -n "$ac_init_help"; then
+  case $ac_init_help in
+     short | recursive ) echo "Configuration of libcf 1.0-alpha4:";;
+   esac
+  cat <<\_ACEOF
+
+Optional Features:
+  --disable-option-checking  ignore unrecognized --enable/--with options
+  --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
+  --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
+  --enable-shared[=PKGS]  build shared libraries [default=no]
+  --enable-docs           build the libcf documentation (a built version is
+                          already included with the distrubution)
+  --enable-gridspec       build the gridspec tools
+  --disable-cfcheck       don't build the cfcheck application
+  --enable-logging        enable logging capability. This debugging features
+                          is only of interest to libcf developers.
+  --enable-netcdf-4       build with netcdf-4 (HDF5 is required)
+  --enable-extra-data-tests
+                          Perform extra tests using CF example files from
+                          Unidata web site (example files must be donloaded
+                          separately). This option should only be used by
+                          those with excessive interest in testing libcf.
+  --disable-f90           don't try to build Fortran 90 API
+  --disable-dependency-tracking  speeds up one-time build
+  --enable-dependency-tracking   do not reject slow dependency extractors
+  --enable-static[=PKGS]  build static libraries [default=yes]
+  --enable-fast-install[=PKGS]
+                          optimize for fast installation [default=yes]
+  --disable-libtool-lock  avoid locking (might break parallel builds)
+  --disable-largefile     omit support for large files
+
+Optional Packages:
+  --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
+  --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
+  --with-hdf5=<directory> Specify location of HDF5 library. Configure will
+                          expect to find subdirs include and lib.
+  --with-netcdf=<directory>
+                          Specify location of netCDF library. Configure will
+                          expect to find subdirs include and lib.
+  --with-pic              try to use only PIC/non-PIC objects [default=use
+                          both]
+  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]
+
+Some influential environment variables:
+  CC          C compiler command
+  CFLAGS      C compiler flags
+  LDFLAGS     linker flags, e.g. -L<lib dir> if you have libraries in a
+              nonstandard directory <lib dir>
+  LIBS        libraries to pass to the linker, e.g. -l<library>
+  CPPFLAGS    C/C++/Objective C preprocessor flags, e.g. -I<include dir> if
+              you have headers in a nonstandard directory <include dir>
+  F77         Fortran 77 compiler command
+  FFLAGS      Fortran 77 compiler flags
+  FC          Fortran compiler command
+  FCFLAGS     Fortran compiler flags
+  CPP         C preprocessor
+
+Use these variables to override the choices made by `configure' or to help
+it to find libraries and programs with nonstandard names/locations.
+
+Report bugs to <support at unidata.ucar.edu>.
+_ACEOF
+ac_status=$?
+fi
+
+if test "$ac_init_help" = "recursive"; then
+  # If there are subdirs, report their specific --help.
+  for ac_dir in : $ac_subdirs_all; do test "x$ac_dir" = x: && continue
+    test -d "$ac_dir" ||
+      { cd "$srcdir" && ac_pwd=`pwd` && srcdir=. && test -d "$ac_dir"; } ||
+      continue
+    ac_builddir=.
+
+case "$ac_dir" in
+.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
+*)
+  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
+  # A ".." for each directory in $ac_dir_suffix.
+  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  case $ac_top_builddir_sub in
+  "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
+  *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
+  esac ;;
+esac
+ac_abs_top_builddir=$ac_pwd
+ac_abs_builddir=$ac_pwd$ac_dir_suffix
+# for backward compatibility:
+ac_top_builddir=$ac_top_build_prefix
+
+case $srcdir in
+  .)  # We are building in place.
+    ac_srcdir=.
+    ac_top_srcdir=$ac_top_builddir_sub
+    ac_abs_top_srcdir=$ac_pwd ;;
+  [\\/]* | ?:[\\/]* )  # Absolute name.
+    ac_srcdir=$srcdir$ac_dir_suffix;
+    ac_top_srcdir=$srcdir
+    ac_abs_top_srcdir=$srcdir ;;
+  *) # Relative name.
+    ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix
+    ac_top_srcdir=$ac_top_build_prefix$srcdir
+    ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
+esac
+ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
+
+    cd "$ac_dir" || { ac_status=$?; continue; }
+    # Check for guested configure.
+    if test -f "$ac_srcdir/configure.gnu"; then
+      echo &&
+      $SHELL "$ac_srcdir/configure.gnu" --help=recursive
+    elif test -f "$ac_srcdir/configure"; then
+      echo &&
+      $SHELL "$ac_srcdir/configure" --help=recursive
+    else
+      $as_echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
+    fi || ac_status=$?
+    cd "$ac_pwd" || { ac_status=$?; break; }
+  done
+fi
+
+test -n "$ac_init_help" && exit $ac_status
+if $ac_init_version; then
+  cat <<\_ACEOF
+libcf configure 1.0-alpha4
+generated by GNU Autoconf 2.62
+
+Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
+2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+This configure script is free software; the Free Software Foundation
+gives unlimited permission to copy, distribute and modify it.
+_ACEOF
+  exit
+fi
+cat >config.log <<_ACEOF
+This file contains any messages produced by compilers while
+running configure, to aid debugging if configure makes a mistake.
+
+It was created by libcf $as_me 1.0-alpha4, which was
+generated by GNU Autoconf 2.62.  Invocation command line was
+
+  $ $0 $@
+
+_ACEOF
+exec 5>>config.log
+{
+cat <<_ASUNAME
+## --------- ##
+## Platform. ##
+## --------- ##
+
+hostname = `(hostname || uname -n) 2>/dev/null | sed 1q`
+uname -m = `(uname -m) 2>/dev/null || echo unknown`
+uname -r = `(uname -r) 2>/dev/null || echo unknown`
+uname -s = `(uname -s) 2>/dev/null || echo unknown`
+uname -v = `(uname -v) 2>/dev/null || echo unknown`
+
+/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null || echo unknown`
+/bin/uname -X     = `(/bin/uname -X) 2>/dev/null     || echo unknown`
+
+/bin/arch              = `(/bin/arch) 2>/dev/null              || echo unknown`
+/usr/bin/arch -k       = `(/usr/bin/arch -k) 2>/dev/null       || echo unknown`
+/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown`
+/usr/bin/hostinfo      = `(/usr/bin/hostinfo) 2>/dev/null      || echo unknown`
+/bin/machine           = `(/bin/machine) 2>/dev/null           || echo unknown`
+/usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null       || echo unknown`
+/bin/universe          = `(/bin/universe) 2>/dev/null          || echo unknown`
+
+_ASUNAME
+
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  $as_echo "PATH: $as_dir"
+done
+IFS=$as_save_IFS
+
+} >&5
+
+cat >&5 <<_ACEOF
+
+
+## ----------- ##
+## Core tests. ##
+## ----------- ##
+
+_ACEOF
+
+
+# Keep a trace of the command line.
+# Strip out --no-create and --no-recursion so they do not pile up.
+# Strip out --silent because we don't want to record it for future runs.
+# Also quote any args containing shell meta-characters.
+# Make two passes to allow for proper duplicate-argument suppression.
+ac_configure_args=
+ac_configure_args0=
+ac_configure_args1=
+ac_must_keep_next=false
+for ac_pass in 1 2
+do
+  for ac_arg
+  do
+    case $ac_arg in
+    -no-create | --no-c* | -n | -no-recursion | --no-r*) continue ;;
+    -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+    | -silent | --silent | --silen | --sile | --sil)
+      continue ;;
+    *\'*)
+      ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    esac
+    case $ac_pass in
+    1) ac_configure_args0="$ac_configure_args0 '$ac_arg'" ;;
+    2)
+      ac_configure_args1="$ac_configure_args1 '$ac_arg'"
+      if test $ac_must_keep_next = true; then
+	ac_must_keep_next=false # Got value, back to normal.
+      else
+	case $ac_arg in
+	  *=* | --config-cache | -C | -disable-* | --disable-* \
+	  | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
+	  | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
+	  | -with-* | --with-* | -without-* | --without-* | --x)
+	    case "$ac_configure_args0 " in
+	      "$ac_configure_args1"*" '$ac_arg' "* ) continue ;;
+	    esac
+	    ;;
+	  -* ) ac_must_keep_next=true ;;
+	esac
+      fi
+      ac_configure_args="$ac_configure_args '$ac_arg'"
+      ;;
+    esac
+  done
+done
+$as_unset ac_configure_args0 || test "${ac_configure_args0+set}" != set || { ac_configure_args0=; export ac_configure_args0; }
+$as_unset ac_configure_args1 || test "${ac_configure_args1+set}" != set || { ac_configure_args1=; export ac_configure_args1; }
+
+# When interrupted or exit'd, cleanup temporary files, and complete
+# config.log.  We remove comments because anyway the quotes in there
+# would cause problems or look ugly.
+# WARNING: Use '\'' to represent an apostrophe within the trap.
+# WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug.
+trap 'exit_status=$?
+  # Save into config.log some information that might help in debugging.
+  {
+    echo
+
+    cat <<\_ASBOX
+## ---------------- ##
+## Cache variables. ##
+## ---------------- ##
+_ASBOX
+    echo
+    # The following way of writing the cache mishandles newlines in values,
+(
+  for ac_var in `(set) 2>&1 | sed -n '\''s/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'\''`; do
+    eval ac_val=\$$ac_var
+    case $ac_val in #(
+    *${as_nl}*)
+      case $ac_var in #(
+      *_cv_*) { $as_echo "$as_me:$LINENO: WARNING: Cache variable $ac_var contains a newline." >&5
+$as_echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;;
+      esac
+      case $ac_var in #(
+      _ | IFS | as_nl) ;; #(
+      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
+      *) $as_unset $ac_var ;;
+      esac ;;
+    esac
+  done
+  (set) 2>&1 |
+    case $as_nl`(ac_space='\'' '\''; set) 2>&1` in #(
+    *${as_nl}ac_space=\ *)
+      sed -n \
+	"s/'\''/'\''\\\\'\'''\''/g;
+	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\''\\2'\''/p"
+      ;; #(
+    *)
+      sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
+      ;;
+    esac |
+    sort
+)
+    echo
+
+    cat <<\_ASBOX
+## ----------------- ##
+## Output variables. ##
+## ----------------- ##
+_ASBOX
+    echo
+    for ac_var in $ac_subst_vars
+    do
+      eval ac_val=\$$ac_var
+      case $ac_val in
+      *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+      esac
+      $as_echo "$ac_var='\''$ac_val'\''"
+    done | sort
+    echo
+
+    if test -n "$ac_subst_files"; then
+      cat <<\_ASBOX
+## ------------------- ##
+## File substitutions. ##
+## ------------------- ##
+_ASBOX
+      echo
+      for ac_var in $ac_subst_files
+      do
+	eval ac_val=\$$ac_var
+	case $ac_val in
+	*\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+	esac
+	$as_echo "$ac_var='\''$ac_val'\''"
+      done | sort
+      echo
+    fi
+
+    if test -s confdefs.h; then
+      cat <<\_ASBOX
+## ----------- ##
+## confdefs.h. ##
+## ----------- ##
+_ASBOX
+      echo
+      cat confdefs.h
+      echo
+    fi
+    test "$ac_signal" != 0 &&
+      $as_echo "$as_me: caught signal $ac_signal"
+    $as_echo "$as_me: exit $exit_status"
+  } >&5
+  rm -f core *.core core.conftest.* &&
+    rm -f -r conftest* confdefs* conf$$* $ac_clean_files &&
+    exit $exit_status
+' 0
+for ac_signal in 1 2 13 15; do
+  trap 'ac_signal='$ac_signal'; { (exit 1); exit 1; }' $ac_signal
+done
+ac_signal=0
+
+# confdefs.h avoids OS command line length limits that DEFS can exceed.
+rm -f -r conftest* confdefs.h
+
+# Predefined preprocessor variables.
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_NAME "$PACKAGE_NAME"
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_TARNAME "$PACKAGE_TARNAME"
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_VERSION "$PACKAGE_VERSION"
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_STRING "$PACKAGE_STRING"
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT"
+_ACEOF
+
+
+# Let the site file select an alternate cache file if it wants to.
+# Prefer an explicitly selected file to automatically selected ones.
+ac_site_file1=NONE
+ac_site_file2=NONE
+if test -n "$CONFIG_SITE"; then
+  ac_site_file1=$CONFIG_SITE
+elif test "x$prefix" != xNONE; then
+  ac_site_file1=$prefix/share/config.site
+  ac_site_file2=$prefix/etc/config.site
+else
+  ac_site_file1=$ac_default_prefix/share/config.site
+  ac_site_file2=$ac_default_prefix/etc/config.site
+fi
+for ac_site_file in "$ac_site_file1" "$ac_site_file2"
+do
+  test "x$ac_site_file" = xNONE && continue
+  if test -r "$ac_site_file"; then
+    { $as_echo "$as_me:$LINENO: loading site script $ac_site_file" >&5
+$as_echo "$as_me: loading site script $ac_site_file" >&6;}
+    sed 's/^/| /' "$ac_site_file" >&5
+    . "$ac_site_file"
+  fi
+done
+
+if test -r "$cache_file"; then
+  # Some versions of bash will fail to source /dev/null (special
+  # files actually), so we avoid doing that.
+  if test -f "$cache_file"; then
+    { $as_echo "$as_me:$LINENO: loading cache $cache_file" >&5
+$as_echo "$as_me: loading cache $cache_file" >&6;}
+    case $cache_file in
+      [\\/]* | ?:[\\/]* ) . "$cache_file";;
+      *)                      . "./$cache_file";;
+    esac
+  fi
+else
+  { $as_echo "$as_me:$LINENO: creating cache $cache_file" >&5
+$as_echo "$as_me: creating cache $cache_file" >&6;}
+  >$cache_file
+fi
+
+# Check that the precious variables saved in the cache have kept the same
+# value.
+ac_cache_corrupted=false
+for ac_var in $ac_precious_vars; do
+  eval ac_old_set=\$ac_cv_env_${ac_var}_set
+  eval ac_new_set=\$ac_env_${ac_var}_set
+  eval ac_old_val=\$ac_cv_env_${ac_var}_value
+  eval ac_new_val=\$ac_env_${ac_var}_value
+  case $ac_old_set,$ac_new_set in
+    set,)
+      { $as_echo "$as_me:$LINENO: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
+$as_echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
+      ac_cache_corrupted=: ;;
+    ,set)
+      { $as_echo "$as_me:$LINENO: error: \`$ac_var' was not set in the previous run" >&5
+$as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
+      ac_cache_corrupted=: ;;
+    ,);;
+    *)
+      if test "x$ac_old_val" != "x$ac_new_val"; then
+	# differences in whitespace do not lead to failure.
+	ac_old_val_w=`echo x $ac_old_val`
+	ac_new_val_w=`echo x $ac_new_val`
+	if test "$ac_old_val_w" != "$ac_new_val_w"; then
+	  { $as_echo "$as_me:$LINENO: error: \`$ac_var' has changed since the previous run:" >&5
+$as_echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
+	  ac_cache_corrupted=:
+	else
+	  { $as_echo "$as_me:$LINENO: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
+$as_echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
+	  eval $ac_var=\$ac_old_val
+	fi
+	{ $as_echo "$as_me:$LINENO:   former value:  \`$ac_old_val'" >&5
+$as_echo "$as_me:   former value:  \`$ac_old_val'" >&2;}
+	{ $as_echo "$as_me:$LINENO:   current value: \`$ac_new_val'" >&5
+$as_echo "$as_me:   current value: \`$ac_new_val'" >&2;}
+      fi;;
+  esac
+  # Pass precious variables to config.status.
+  if test "$ac_new_set" = set; then
+    case $ac_new_val in
+    *\'*) ac_arg=$ac_var=`$as_echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *) ac_arg=$ac_var=$ac_new_val ;;
+    esac
+    case " $ac_configure_args " in
+      *" '$ac_arg' "*) ;; # Avoid dups.  Use of quotes ensures accuracy.
+      *) ac_configure_args="$ac_configure_args '$ac_arg'" ;;
+    esac
+  fi
+done
+if $ac_cache_corrupted; then
+  { $as_echo "$as_me:$LINENO: error: changes in the environment can compromise the build" >&5
+$as_echo "$as_me: error: changes in the environment can compromise the build" >&2;}
+  { { $as_echo "$as_me:$LINENO: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&5
+$as_echo "$as_me: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+
+
+{ $as_echo "$as_me:$LINENO: libcf 1.0-alpha4" >&5
+$as_echo "$as_me: libcf 1.0-alpha4" >&6;}
+
+# Find out about the host we're building on.
+ac_aux_dir=
+for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
+  if test -f "$ac_dir/install-sh"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/install-sh -c"
+    break
+  elif test -f "$ac_dir/install.sh"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/install.sh -c"
+    break
+  elif test -f "$ac_dir/shtool"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/shtool install -c"
+    break
+  fi
+done
+if test -z "$ac_aux_dir"; then
+  { { $as_echo "$as_me:$LINENO: error: cannot find install-sh or install.sh in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" >&5
+$as_echo "$as_me: error: cannot find install-sh or install.sh in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
+# These three variables are undocumented and unsupported,
+# and are intended to be withdrawn in a future Autoconf release.
+# They can cause serious problems if a builder's source tree is in a directory
+# whose full name contains unusual characters.
+ac_config_guess="$SHELL $ac_aux_dir/config.guess"  # Please don't use this var.
+ac_config_sub="$SHELL $ac_aux_dir/config.sub"  # Please don't use this var.
+ac_configure="$SHELL $ac_aux_dir/configure"  # Please don't use this var.
+
+
+# Make sure we can run config.sub.
+$SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
+  { { $as_echo "$as_me:$LINENO: error: cannot run $SHELL $ac_aux_dir/config.sub" >&5
+$as_echo "$as_me: error: cannot run $SHELL $ac_aux_dir/config.sub" >&2;}
+   { (exit 1); exit 1; }; }
+
+{ $as_echo "$as_me:$LINENO: checking build system type" >&5
+$as_echo_n "checking build system type... " >&6; }
+if test "${ac_cv_build+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_build_alias=$build_alias
+test "x$ac_build_alias" = x &&
+  ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"`
+test "x$ac_build_alias" = x &&
+  { { $as_echo "$as_me:$LINENO: error: cannot guess build type; you must specify one" >&5
+$as_echo "$as_me: error: cannot guess build type; you must specify one" >&2;}
+   { (exit 1); exit 1; }; }
+ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` ||
+  { { $as_echo "$as_me:$LINENO: error: $SHELL $ac_aux_dir/config.sub $ac_build_alias failed" >&5
+$as_echo "$as_me: error: $SHELL $ac_aux_dir/config.sub $ac_build_alias failed" >&2;}
+   { (exit 1); exit 1; }; }
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_build" >&5
+$as_echo "$ac_cv_build" >&6; }
+case $ac_cv_build in
+*-*-*) ;;
+*) { { $as_echo "$as_me:$LINENO: error: invalid value of canonical build" >&5
+$as_echo "$as_me: error: invalid value of canonical build" >&2;}
+   { (exit 1); exit 1; }; };;
+esac
+build=$ac_cv_build
+ac_save_IFS=$IFS; IFS='-'
+set x $ac_cv_build
+shift
+build_cpu=$1
+build_vendor=$2
+shift; shift
+# Remember, the first character of IFS is used to create $*,
+# except with old shells:
+build_os=$*
+IFS=$ac_save_IFS
+case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
+
+
+{ $as_echo "$as_me:$LINENO: checking host system type" >&5
+$as_echo_n "checking host system type... " >&6; }
+if test "${ac_cv_host+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test "x$host_alias" = x; then
+  ac_cv_host=$ac_cv_build
+else
+  ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` ||
+    { { $as_echo "$as_me:$LINENO: error: $SHELL $ac_aux_dir/config.sub $host_alias failed" >&5
+$as_echo "$as_me: error: $SHELL $ac_aux_dir/config.sub $host_alias failed" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_host" >&5
+$as_echo "$ac_cv_host" >&6; }
+case $ac_cv_host in
+*-*-*) ;;
+*) { { $as_echo "$as_me:$LINENO: error: invalid value of canonical host" >&5
+$as_echo "$as_me: error: invalid value of canonical host" >&2;}
+   { (exit 1); exit 1; }; };;
+esac
+host=$ac_cv_host
+ac_save_IFS=$IFS; IFS='-'
+set x $ac_cv_host
+shift
+host_cpu=$1
+host_vendor=$2
+shift; shift
+# Remember, the first character of IFS is used to create $*,
+# except with old shells:
+host_os=$*
+IFS=$ac_save_IFS
+case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
+
+
+
+# We will output a config.h for the C library, and a fortran inc file,
+# nfconfig.inc.
+ac_config_headers="$ac_config_headers config.h"
+
+ac_config_headers="$ac_config_headers nfconfig.inc:nfconfig.in"
+
+
+# This call is required by automake.
+am__api_version='1.10'
+
+# Find a good install program.  We prefer a C program (faster),
+# so one script is as good as another.  But avoid the broken or
+# incompatible versions:
+# SysV /etc/install, /usr/sbin/install
+# SunOS /usr/etc/install
+# IRIX /sbin/install
+# AIX /bin/install
+# AmigaOS /C/install, which installs bootblocks on floppy discs
+# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
+# AFS /usr/afsws/bin/install, which mishandles nonexistent args
+# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
+# OS/2's system install, which has a completely different semantic
+# ./install, which can be erroneously created by make from ./install.sh.
+# Reject install programs that cannot install multiple files.
+{ $as_echo "$as_me:$LINENO: checking for a BSD-compatible install" >&5
+$as_echo_n "checking for a BSD-compatible install... " >&6; }
+if test -z "$INSTALL"; then
+if test "${ac_cv_path_install+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  # Account for people who put trailing slashes in PATH elements.
+case $as_dir/ in
+  ./ | .// | /cC/* | \
+  /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \
+  ?:\\/os2\\/install\\/* | ?:\\/OS2\\/INSTALL\\/* | \
+  /usr/ucb/* ) ;;
+  *)
+    # OSF1 and SCO ODT 3.0 have their own names for install.
+    # Don't use installbsd from OSF since it installs stuff as root
+    # by default.
+    for ac_prog in ginstall scoinst install; do
+      for ac_exec_ext in '' $ac_executable_extensions; do
+	if { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; }; then
+	  if test $ac_prog = install &&
+	    grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+	    # AIX install.  It has an incompatible calling convention.
+	    :
+	  elif test $ac_prog = install &&
+	    grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+	    # program-specific install script used by HP pwplus--don't use.
+	    :
+	  else
+	    rm -rf conftest.one conftest.two conftest.dir
+	    echo one > conftest.one
+	    echo two > conftest.two
+	    mkdir conftest.dir
+	    if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" &&
+	      test -s conftest.one && test -s conftest.two &&
+	      test -s conftest.dir/conftest.one &&
+	      test -s conftest.dir/conftest.two
+	    then
+	      ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
+	      break 3
+	    fi
+	  fi
+	fi
+      done
+    done
+    ;;
+esac
+
+done
+IFS=$as_save_IFS
+
+rm -rf conftest.one conftest.two conftest.dir
+
+fi
+  if test "${ac_cv_path_install+set}" = set; then
+    INSTALL=$ac_cv_path_install
+  else
+    # As a last resort, use the slow shell script.  Don't cache a
+    # value for INSTALL within a source directory, because that will
+    # break other packages using the cache if that directory is
+    # removed, or if the value is a relative name.
+    INSTALL=$ac_install_sh
+  fi
+fi
+{ $as_echo "$as_me:$LINENO: result: $INSTALL" >&5
+$as_echo "$INSTALL" >&6; }
+
+# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
+# It thinks the first close brace ends the variable substitution.
+test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
+
+test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
+
+test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
+
+{ $as_echo "$as_me:$LINENO: checking whether build environment is sane" >&5
+$as_echo_n "checking whether build environment is sane... " >&6; }
+# Just in case
+sleep 1
+echo timestamp > conftest.file
+# Do `set' in a subshell so we don't clobber the current shell's
+# arguments.  Must try -L first in case configure is actually a
+# symlink; some systems play weird games with the mod time of symlinks
+# (eg FreeBSD returns the mod time of the symlink's containing
+# directory).
+if (
+   set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null`
+   if test "$*" = "X"; then
+      # -L didn't work.
+      set X `ls -t $srcdir/configure conftest.file`
+   fi
+   rm -f conftest.file
+   if test "$*" != "X $srcdir/configure conftest.file" \
+      && test "$*" != "X conftest.file $srcdir/configure"; then
+
+      # If neither matched, then we have a broken ls.  This can happen
+      # if, for instance, CONFIG_SHELL is bash and it inherits a
+      # broken ls alias from the environment.  This has actually
+      # happened.  Such a system could not be considered "sane".
+      { { $as_echo "$as_me:$LINENO: error: ls -t appears to fail.  Make sure there is not a broken
+alias in your environment" >&5
+$as_echo "$as_me: error: ls -t appears to fail.  Make sure there is not a broken
+alias in your environment" >&2;}
+   { (exit 1); exit 1; }; }
+   fi
+
+   test "$2" = conftest.file
+   )
+then
+   # Ok.
+   :
+else
+   { { $as_echo "$as_me:$LINENO: error: newly created file is older than distributed files!
+Check your system clock" >&5
+$as_echo "$as_me: error: newly created file is older than distributed files!
+Check your system clock" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+test "$program_prefix" != NONE &&
+  program_transform_name="s&^&$program_prefix&;$program_transform_name"
+# Use a double $ so make ignores it.
+test "$program_suffix" != NONE &&
+  program_transform_name="s&\$&$program_suffix&;$program_transform_name"
+# Double any \ or $.
+# By default was `s,x,x', remove it if useless.
+ac_script='s/[\\$]/&&/g;s/;s,x,x,$//'
+program_transform_name=`$as_echo "$program_transform_name" | sed "$ac_script"`
+
+# expand $ac_aux_dir to an absolute path
+am_aux_dir=`cd $ac_aux_dir && pwd`
+
+test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing"
+# Use eval to expand $SHELL
+if eval "$MISSING --run true"; then
+  am_missing_run="$MISSING --run "
+else
+  am_missing_run=
+  { $as_echo "$as_me:$LINENO: WARNING: \`missing' script is too old or missing" >&5
+$as_echo "$as_me: WARNING: \`missing' script is too old or missing" >&2;}
+fi
+
+{ $as_echo "$as_me:$LINENO: checking for a thread-safe mkdir -p" >&5
+$as_echo_n "checking for a thread-safe mkdir -p... " >&6; }
+if test -z "$MKDIR_P"; then
+  if test "${ac_cv_path_mkdir+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/opt/sfw/bin
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_prog in mkdir gmkdir; do
+	 for ac_exec_ext in '' $ac_executable_extensions; do
+	   { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; } || continue
+	   case `"$as_dir/$ac_prog$ac_exec_ext" --version 2>&1` in #(
+	     'mkdir (GNU coreutils) '* | \
+	     'mkdir (coreutils) '* | \
+	     'mkdir (fileutils) '4.1*)
+	       ac_cv_path_mkdir=$as_dir/$ac_prog$ac_exec_ext
+	       break 3;;
+	   esac
+	 done
+       done
+done
+IFS=$as_save_IFS
+
+fi
+
+  if test "${ac_cv_path_mkdir+set}" = set; then
+    MKDIR_P="$ac_cv_path_mkdir -p"
+  else
+    # As a last resort, use the slow shell script.  Don't cache a
+    # value for MKDIR_P within a source directory, because that will
+    # break other packages using the cache if that directory is
+    # removed, or if the value is a relative name.
+    test -d ./--version && rmdir ./--version
+    MKDIR_P="$ac_install_sh -d"
+  fi
+fi
+{ $as_echo "$as_me:$LINENO: result: $MKDIR_P" >&5
+$as_echo "$MKDIR_P" >&6; }
+
+mkdir_p="$MKDIR_P"
+case $mkdir_p in
+  [\\/$]* | ?:[\\/]*) ;;
+  */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
+esac
+
+for ac_prog in gawk mawk nawk awk
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_AWK+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$AWK"; then
+  ac_cv_prog_AWK="$AWK" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_AWK="$ac_prog"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+AWK=$ac_cv_prog_AWK
+if test -n "$AWK"; then
+  { $as_echo "$as_me:$LINENO: result: $AWK" >&5
+$as_echo "$AWK" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$AWK" && break
+done
+
+{ $as_echo "$as_me:$LINENO: checking whether ${MAKE-make} sets \$(MAKE)" >&5
+$as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; }
+set x ${MAKE-make}
+ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
+if { as_var=ac_cv_prog_make_${ac_make}_set; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.make <<\_ACEOF
+SHELL = /bin/sh
+all:
+	@echo '@@@%%%=$(MAKE)=@@@%%%'
+_ACEOF
+# GNU make sometimes prints "make[1]: Entering...", which would confuse us.
+case `${MAKE-make} -f conftest.make 2>/dev/null` in
+  *@@@%%%=?*=@@@%%%*)
+    eval ac_cv_prog_make_${ac_make}_set=yes;;
+  *)
+    eval ac_cv_prog_make_${ac_make}_set=no;;
+esac
+rm -f conftest.make
+fi
+if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then
+  { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+  SET_MAKE=
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+  SET_MAKE="MAKE=${MAKE-make}"
+fi
+
+rm -rf .tst 2>/dev/null
+mkdir .tst 2>/dev/null
+if test -d .tst; then
+  am__leading_dot=.
+else
+  am__leading_dot=_
+fi
+rmdir .tst 2>/dev/null
+
+if test "`cd $srcdir && pwd`" != "`pwd`"; then
+  # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
+  # is not polluted with repeated "-I."
+  am__isrc=' -I$(srcdir)'
+  # test to see if srcdir already configured
+  if test -f $srcdir/config.status; then
+    { { $as_echo "$as_me:$LINENO: error: source directory already configured; run \"make distclean\" there first" >&5
+$as_echo "$as_me: error: source directory already configured; run \"make distclean\" there first" >&2;}
+   { (exit 1); exit 1; }; }
+  fi
+fi
+
+# test whether we have cygpath
+if test -z "$CYGPATH_W"; then
+  if (cygpath --version) >/dev/null 2>/dev/null; then
+    CYGPATH_W='cygpath -w'
+  else
+    CYGPATH_W=echo
+  fi
+fi
+
+
+# Define the identity of the package.
+ PACKAGE='libcf'
+ VERSION='1.0-alpha4'
+
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE "$PACKAGE"
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define VERSION "$VERSION"
+_ACEOF
+
+# Some tools Automake needs.
+
+ACLOCAL=${ACLOCAL-"${am_missing_run}aclocal-${am__api_version}"}
+
+
+AUTOCONF=${AUTOCONF-"${am_missing_run}autoconf"}
+
+
+AUTOMAKE=${AUTOMAKE-"${am_missing_run}automake-${am__api_version}"}
+
+
+AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"}
+
+
+MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"}
+
+install_sh=${install_sh-"\$(SHELL) $am_aux_dir/install-sh"}
+
+# Installed binaries are usually stripped using `strip' when the user
+# run `make install-strip'.  However `strip' might not be the right
+# tool to use in cross-compilation environments, therefore Automake
+# will honor the `STRIP' environment variable to overrule this program.
+if test "$cross_compiling" != no; then
+  if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
+set dummy ${ac_tool_prefix}strip; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_STRIP+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$STRIP"; then
+  ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_STRIP="${ac_tool_prefix}strip"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
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+$as_echo "$STRIP" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
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+
+
+fi
+if test -z "$ac_cv_prog_STRIP"; then
+  ac_ct_STRIP=$STRIP
+  # Extract the first word of "strip", so it can be a program name with args.
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+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_STRIP+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_STRIP"; then
+  ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_STRIP="strip"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
+if test -n "$ac_ct_STRIP"; then
+  { $as_echo "$as_me:$LINENO: result: $ac_ct_STRIP" >&5
+$as_echo "$ac_ct_STRIP" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_STRIP" = x; then
+    STRIP=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&5
+$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&2;}
+ac_tool_warned=yes ;;
+esac
+    STRIP=$ac_ct_STRIP
+  fi
+else
+  STRIP="$ac_cv_prog_STRIP"
+fi
+
+fi
+INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
+
+# We need awk for the "check" target.  The system "awk" is bad on
+# some platforms.
+# Always define AMTAR for backward compatibility.
+
+AMTAR=${AMTAR-"${am_missing_run}tar"}
+
+am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'
+
+
+
+
+
+
+# Check for the existance of this file before proceeding.
+
+
+{ $as_echo "$as_me:$LINENO: checking user options" >&5
+$as_echo "$as_me: checking user options" >&6;}
+
+# Turn off shared libraries by default
+# Check whether --enable-shared was given.
+if test "${enable_shared+set}" = set; then
+  enableval=$enable_shared; p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_shared=yes ;;
+    no) enable_shared=no ;;
+    *)
+      enable_shared=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+      for pkg in $enableval; do
+	IFS="$lt_save_ifs"
+	if test "X$pkg" = "X$p"; then
+	  enable_shared=yes
+	fi
+      done
+      IFS="$lt_save_ifs"
+      ;;
+    esac
+else
+  enable_shared=no
+fi
+
+
+
+
+
+
+
+
+
+
+# The autoconf manual suggests the following to set a var if it's not
+# already set: test "${var+set}" = set || var={value}
+
+# For backward compatibility, check to see if the user has set FC to
+# null. If so, treat that as the --disable-fortran option to
+# configure.
+
+# Did the user set fc to null?
+{ $as_echo "$as_me:$LINENO: checking whether FC is set to ''" >&5
+$as_echo_n "checking whether FC is set to ''... " >&6; }
+nc_null_fc=no
+test "x${FC+set}" = xset && test "x$FC" = x && nc_null_fc=yes
+{ $as_echo "$as_me:$LINENO: result: $nc_null_fc" >&5
+$as_echo "$nc_null_fc" >&6; }
+
+# Does the user want to build documentation?
+{ $as_echo "$as_me:$LINENO: checking whether documentation is to be built" >&5
+$as_echo_n "checking whether documentation is to be built... " >&6; }
+# Check whether --enable-docs was given.
+if test "${enable_docs+set}" = set; then
+  enableval=$enable_docs;
+fi
+
+test "x$enable_docs" = xyes || enable_docs=no
+{ $as_echo "$as_me:$LINENO: result: $enable_docs" >&5
+$as_echo "$enable_docs" >&6; }
+ if test x$enable_docs = xyes; then
+  BUILD_DOCS_TRUE=
+  BUILD_DOCS_FALSE='#'
+else
+  BUILD_DOCS_TRUE='#'
+  BUILD_DOCS_FALSE=
+fi
+
+
+# Does the user want to build gridspec tools?
+{ $as_echo "$as_me:$LINENO: checking whether gridspec tools are to be built" >&5
+$as_echo_n "checking whether gridspec tools are to be built... " >&6; }
+# Check whether --enable-gridspec was given.
+if test "${enable_gridspec+set}" = set; then
+  enableval=$enable_gridspec;
+fi
+
+test "x$enable_gridspec" = xyes || enable_gridspec=no
+{ $as_echo "$as_me:$LINENO: result: $enable_gridspec" >&5
+$as_echo "$enable_gridspec" >&6; }
+ if test x$enable_gridspec = xyes; then
+  BUILD_GRIDSPEC_TRUE=
+  BUILD_GRIDSPEC_FALSE='#'
+else
+  BUILD_GRIDSPEC_TRUE='#'
+  BUILD_GRIDSPEC_FALSE=
+fi
+
+
+# Does the user want to build cfcheck?
+{ $as_echo "$as_me:$LINENO: checking whether cfcheck is to be built" >&5
+$as_echo_n "checking whether cfcheck is to be built... " >&6; }
+# Check whether --enable-cfcheck was given.
+if test "${enable_cfcheck+set}" = set; then
+  enableval=$enable_cfcheck;
+fi
+
+test "x$enable_cfcheck" = xno || enable_cfcheck=yes
+{ $as_echo "$as_me:$LINENO: result: $enable_cfcheck" >&5
+$as_echo "$enable_cfcheck" >&6; }
+ if test x$enable_cfcheck = xyes; then
+  BUILD_CFCHECK_TRUE=
+  BUILD_CFCHECK_FALSE='#'
+else
+  BUILD_CFCHECK_TRUE='#'
+  BUILD_CFCHECK_FALSE=
+fi
+
+
+# Does the user want to enable logging?
+{ $as_echo "$as_me:$LINENO: checking whether logging is enabled (useful to CF developers, mainly" >&5
+$as_echo_n "checking whether logging is enabled (useful to CF developers, mainly... " >&6; }
+# Check whether --enable-logging was given.
+if test "${enable_logging+set}" = set; then
+  enableval=$enable_logging;
+fi
+
+test "x$enable_logging" = "xyes" || enable_logging=no
+{ $as_echo "$as_me:$LINENO: result: $enable_logging" >&5
+$as_echo "$enable_logging" >&6; }
+if test "x$enable_logging" = xyes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define LOGGING 1
+_ACEOF
+
+fi
+
+# Does the user want to use netcdf-4?
+{ $as_echo "$as_me:$LINENO: checking whether netCDF-4 is to be used" >&5
+$as_echo_n "checking whether netCDF-4 is to be used... " >&6; }
+# Check whether --enable-netcdf-4 was given.
+if test "${enable_netcdf_4+set}" = set; then
+  enableval=$enable_netcdf_4;
+fi
+
+test "x$enable_netcdf_4" = xyes || enable_netcdf_4=no
+{ $as_echo "$as_me:$LINENO: result: $enable_netcdf_4" >&5
+$as_echo "$enable_netcdf_4" >&6; }
+ if test x$enable_netcdf_4 = xyes; then
+  USE_NETCDF4_TRUE=
+  USE_NETCDF4_FALSE='#'
+else
+  USE_NETCDF4_TRUE='#'
+  USE_NETCDF4_FALSE=
+fi
+
+if test "x$enable_netcdf_4" = xyes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define USE_NETCDF4 1
+_ACEOF
+
+fi
+
+# Does the user want to use netcdf-4?
+{ $as_echo "$as_me:$LINENO: checking whether extra tests on sample data should be performed" >&5
+$as_echo_n "checking whether extra tests on sample data should be performed... " >&6; }
+# Check whether --enable-extra-data-tests was given.
+if test "${enable_extra_data_tests+set}" = set; then
+  enableval=$enable_extra_data_tests;
+fi
+
+test "x$enable_extra_data_tests" = xyes || enable_extra_data_tests=no
+{ $as_echo "$as_me:$LINENO: result: $enable_extra_data_tests" >&5
+$as_echo "$enable_extra_data_tests" >&6; }
+ if test x$enable_extra_data_tests = xyes; then
+  EXTRA_DATA_TESTS_TRUE=
+  EXTRA_DATA_TESTS_FALSE='#'
+else
+  EXTRA_DATA_TESTS_TRUE='#'
+  EXTRA_DATA_TESTS_FALSE=
+fi
+
+
+# Did the user specify a location for the HDF5 library?
+{ $as_echo "$as_me:$LINENO: checking whether a location for the HDF5 library was specified" >&5
+$as_echo_n "checking whether a location for the HDF5 library was specified... " >&6; }
+
+# Check whether --with-hdf5 was given.
+if test "${with_hdf5+set}" = set; then
+  withval=$with_hdf5; HDF5DIR=$with_hdf5
+fi
+
+HDF5DIR=${HDF5DIR-.}
+{ $as_echo "$as_me:$LINENO: result: $HDF5DIR" >&5
+$as_echo "$HDF5DIR" >&6; }
+ if test ! "x$HDF5DIR" = x; then
+  USE_HDF5_DIR_TRUE=
+  USE_HDF5_DIR_FALSE='#'
+else
+  USE_HDF5_DIR_TRUE='#'
+  USE_HDF5_DIR_FALSE=
+fi
+
+HDF5DIR=$HDF5DIR
+
+
+# Do we want to build the fortran API? Check for --disable-f90
+nc_build_f90=yes
+{ $as_echo "$as_me:$LINENO: checking whether Fortran 90 API is desired" >&5
+$as_echo_n "checking whether Fortran 90 API is desired... " >&6; }
+# Check whether --enable-f90 was given.
+if test "${enable_f90+set}" = set; then
+  enableval=$enable_f90;
+fi
+
+test "x$enable_f90" = "xno" && nc_build_f90=no
+test "x$nc_null_fc" = xyes && nc_build_f90=no
+{ $as_echo "$as_me:$LINENO: result: $nc_build_f90" >&5
+$as_echo "$nc_build_f90" >&6; }
+ if test "x$nc_build_f90" = xyes; then
+  BUILD_F90_TRUE=
+  BUILD_F90_FALSE='#'
+else
+  BUILD_F90_TRUE='#'
+  BUILD_F90_FALSE=
+fi
+
+
+# Did the user specify a location for the netcdf library?
+{ $as_echo "$as_me:$LINENO: checking whether a location for the netCDF library was specified" >&5
+$as_echo_n "checking whether a location for the netCDF library was specified... " >&6; }
+
+# Check whether --with-netcdf was given.
+if test "${with_netcdf+set}" = set; then
+  withval=$with_netcdf; NETCDFDIR=$with_netcdf
+fi
+
+NETCDFDIR=${NETCDFDIR}
+{ $as_echo "$as_me:$LINENO: result: $NETCDFDIR" >&5
+$as_echo "$NETCDFDIR" >&6; }
+ if test ! "x$NETCDFDIR" = x; then
+  USE_NETCDF_DIR_TRUE=
+  USE_NETCDF_DIR_FALSE='#'
+else
+  USE_NETCDF_DIR_TRUE='#'
+  USE_NETCDF_DIR_FALSE=
+fi
+
+NETCDFDIR=$NETCDFDIR
+
+
+# According to the autoconf mailing list gurus, we must test for
+# compilers unconditionally. That is, we can't skip looking for the
+# fortran compilers, just because the user doesn't want fortran. This
+# is due to a limitation in autoconf.
+
+# Find the C compiler.
+{ $as_echo "$as_me:$LINENO: finding C compiler" >&5
+$as_echo "$as_me: finding C compiler" >&6;}
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+if test -n "$ac_tool_prefix"; then
+  for ac_prog in mpcc_r xlc cc c89 acc gcc
+  do
+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { $as_echo "$as_me:$LINENO: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+    test -n "$CC" && break
+  done
+fi
+if test -z "$CC"; then
+  ac_ct_CC=$CC
+  for ac_prog in mpcc_r xlc cc c89 acc gcc
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_CC"; then
+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_CC="$ac_prog"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+  { $as_echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
+$as_echo "$ac_ct_CC" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$ac_ct_CC" && break
+done
+
+  if test "x$ac_ct_CC" = x; then
+    CC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&5
+$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&2;}
+ac_tool_warned=yes ;;
+esac
+    CC=$ac_ct_CC
+  fi
+fi
+
+
+test -z "$CC" && { { $as_echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: no acceptable C compiler found in \$PATH
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
+
+# Provide some information about the compiler.
+$as_echo "$as_me:$LINENO: checking for C compiler version" >&5
+set X $ac_compile
+ac_compiler=$2
+{ (ac_try="$ac_compiler --version >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compiler --version >&5") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+{ (ac_try="$ac_compiler -v >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compiler -v >&5") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+{ (ac_try="$ac_compiler -V >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compiler -V >&5") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+ac_clean_files_save=$ac_clean_files
+ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out"
+# Try to create an executable without -o first, disregard a.out.
+# It will help us diagnose broken compilers, and finding out an intuition
+# of exeext.
+{ $as_echo "$as_me:$LINENO: checking for C compiler default output file name" >&5
+$as_echo_n "checking for C compiler default output file name... " >&6; }
+ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
+
+# The possible output files:
+ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*"
+
+ac_rmfiles=
+for ac_file in $ac_files
+do
+  case $ac_file in
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
+    * ) ac_rmfiles="$ac_rmfiles $ac_file";;
+  esac
+done
+rm -f $ac_rmfiles
+
+if { (ac_try="$ac_link_default"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link_default") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+  # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
+# So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
+# in a Makefile.  We should not override ac_cv_exeext if it was cached,
+# so that the user can short-circuit this test for compilers unknown to
+# Autoconf.
+for ac_file in $ac_files ''
+do
+  test -f "$ac_file" || continue
+  case $ac_file in
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj )
+	;;
+    [ab].out )
+	# We found the default executable, but exeext='' is most
+	# certainly right.
+	break;;
+    *.* )
+        if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no;
+	then :; else
+	   ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
+	fi
+	# We set ac_cv_exeext here because the later test for it is not
+	# safe: cross compilers may not add the suffix if given an `-o'
+	# argument, so we may need to know it at that point already.
+	# Even if this section looks crufty: it has the advantage of
+	# actually working.
+	break;;
+    * )
+	break;;
+  esac
+done
+test "$ac_cv_exeext" = no && ac_cv_exeext=
+
+else
+  ac_file=''
+fi
+
+{ $as_echo "$as_me:$LINENO: result: $ac_file" >&5
+$as_echo "$ac_file" >&6; }
+if test -z "$ac_file"; then
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+{ { $as_echo "$as_me:$LINENO: error: C compiler cannot create executables
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: C compiler cannot create executables
+See \`config.log' for more details." >&2;}
+   { (exit 77); exit 77; }; }
+fi
+
+ac_exeext=$ac_cv_exeext
+
+# Check that the compiler produces executables we can run.  If not, either
+# the compiler is broken, or we cross compile.
+{ $as_echo "$as_me:$LINENO: checking whether the C compiler works" >&5
+$as_echo_n "checking whether the C compiler works... " >&6; }
+# FIXME: These cross compiler hacks should be removed for Autoconf 3.0
+# If not cross compiling, check that we can run a simple program.
+if test "$cross_compiling" != yes; then
+  if { ac_try='./$ac_file'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+    cross_compiling=no
+  else
+    if test "$cross_compiling" = maybe; then
+	cross_compiling=yes
+    else
+	{ { $as_echo "$as_me:$LINENO: error: cannot run C compiled programs.
+If you meant to cross compile, use \`--host'.
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: cannot run C compiled programs.
+If you meant to cross compile, use \`--host'.
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
+    fi
+  fi
+fi
+{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out
+ac_clean_files=$ac_clean_files_save
+# Check that the compiler produces executables we can run.  If not, either
+# the compiler is broken, or we cross compile.
+{ $as_echo "$as_me:$LINENO: checking whether we are cross compiling" >&5
+$as_echo_n "checking whether we are cross compiling... " >&6; }
+{ $as_echo "$as_me:$LINENO: result: $cross_compiling" >&5
+$as_echo "$cross_compiling" >&6; }
+
+{ $as_echo "$as_me:$LINENO: checking for suffix of executables" >&5
+$as_echo_n "checking for suffix of executables... " >&6; }
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+  # If both `conftest.exe' and `conftest' are `present' (well, observable)
+# catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will
+# work properly (i.e., refer to `conftest.exe'), while it won't with
+# `rm'.
+for ac_file in conftest.exe conftest conftest.*; do
+  test -f "$ac_file" || continue
+  case $ac_file in
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
+    *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
+	  break;;
+    * ) break;;
+  esac
+done
+else
+  { { $as_echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
+rm -f conftest$ac_cv_exeext
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_exeext" >&5
+$as_echo "$ac_cv_exeext" >&6; }
+
+rm -f conftest.$ac_ext
+EXEEXT=$ac_cv_exeext
+ac_exeext=$EXEEXT
+{ $as_echo "$as_me:$LINENO: checking for suffix of object files" >&5
+$as_echo_n "checking for suffix of object files... " >&6; }
+if test "${ac_cv_objext+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.o conftest.obj
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+  for ac_file in conftest.o conftest.obj conftest.*; do
+  test -f "$ac_file" || continue;
+  case $ac_file in
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;;
+    *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'`
+       break;;
+  esac
+done
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+{ { $as_echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: cannot compute suffix of object files: cannot compile
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
+rm -f conftest.$ac_cv_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_objext" >&5
+$as_echo "$ac_cv_objext" >&6; }
+OBJEXT=$ac_cv_objext
+ac_objext=$OBJEXT
+{ $as_echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5
+$as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
+if test "${ac_cv_c_compiler_gnu+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+#ifndef __GNUC__
+       choke me
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_compiler_gnu=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_compiler_gnu=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ac_cv_c_compiler_gnu=$ac_compiler_gnu
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5
+$as_echo "$ac_cv_c_compiler_gnu" >&6; }
+if test $ac_compiler_gnu = yes; then
+  GCC=yes
+else
+  GCC=
+fi
+ac_test_CFLAGS=${CFLAGS+set}
+ac_save_CFLAGS=$CFLAGS
+{ $as_echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5
+$as_echo_n "checking whether $CC accepts -g... " >&6; }
+if test "${ac_cv_prog_cc_g+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_save_c_werror_flag=$ac_c_werror_flag
+   ac_c_werror_flag=yes
+   ac_cv_prog_cc_g=no
+   CFLAGS="-g"
+   cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_prog_cc_g=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	CFLAGS=""
+      cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  :
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_c_werror_flag=$ac_save_c_werror_flag
+	 CFLAGS="-g"
+	 cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_prog_cc_g=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+   ac_c_werror_flag=$ac_save_c_werror_flag
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5
+$as_echo "$ac_cv_prog_cc_g" >&6; }
+if test "$ac_test_CFLAGS" = set; then
+  CFLAGS=$ac_save_CFLAGS
+elif test $ac_cv_prog_cc_g = yes; then
+  if test "$GCC" = yes; then
+    CFLAGS="-g -O2"
+  else
+    CFLAGS="-g"
+  fi
+else
+  if test "$GCC" = yes; then
+    CFLAGS="-O2"
+  else
+    CFLAGS=
+  fi
+fi
+{ $as_echo "$as_me:$LINENO: checking for $CC option to accept ISO C89" >&5
+$as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
+if test "${ac_cv_prog_cc_c89+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_prog_cc_c89=no
+ac_save_CC=$CC
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <stdarg.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+/* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
+struct buf { int x; };
+FILE * (*rcsopen) (struct buf *, struct stat *, int);
+static char *e (p, i)
+     char **p;
+     int i;
+{
+  return p[i];
+}
+static char *f (char * (*g) (char **, int), char **p, ...)
+{
+  char *s;
+  va_list v;
+  va_start (v,p);
+  s = g (p, va_arg (v,int));
+  va_end (v);
+  return s;
+}
+
+/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
+   function prototypes and stuff, but not '\xHH' hex character constants.
+   These don't provoke an error unfortunately, instead are silently treated
+   as 'x'.  The following induces an error, until -std is added to get
+   proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an
+   array size at least.  It's necessary to write '\x00'==0 to get something
+   that's true only with -std.  */
+int osf4_cc_array ['\x00' == 0 ? 1 : -1];
+
+/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
+   inside strings and character constants.  */
+#define FOO(x) 'x'
+int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];
+
+int test (int i, double x);
+struct s1 {int (*f) (int a);};
+struct s2 {int (*f) (double a);};
+int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
+int argc;
+char **argv;
+int
+main ()
+{
+return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
+  ;
+  return 0;
+}
+_ACEOF
+for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \
+	-Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+do
+  CC="$ac_save_CC $ac_arg"
+  rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_prog_cc_c89=$ac_arg
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext
+  test "x$ac_cv_prog_cc_c89" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CC=$ac_save_CC
+
+fi
+# AC_CACHE_VAL
+case "x$ac_cv_prog_cc_c89" in
+  x)
+    { $as_echo "$as_me:$LINENO: result: none needed" >&5
+$as_echo "none needed" >&6; } ;;
+  xno)
+    { $as_echo "$as_me:$LINENO: result: unsupported" >&5
+$as_echo "unsupported" >&6; } ;;
+  *)
+    CC="$CC $ac_cv_prog_cc_c89"
+    { $as_echo "$as_me:$LINENO: result: $ac_cv_prog_cc_c89" >&5
+$as_echo "$ac_cv_prog_cc_c89" >&6; } ;;
+esac
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+DEPDIR="${am__leading_dot}deps"
+
+ac_config_commands="$ac_config_commands depfiles"
+
+
+am_make=${MAKE-make}
+cat > confinc << 'END'
+am__doit:
+	@echo done
+.PHONY: am__doit
+END
+# If we don't find an include directive, just comment out the code.
+{ $as_echo "$as_me:$LINENO: checking for style of include used by $am_make" >&5
+$as_echo_n "checking for style of include used by $am_make... " >&6; }
+am__include="#"
+am__quote=
+_am_result=none
+# First try GNU make style include.
+echo "include confinc" > confmf
+# We grep out `Entering directory' and `Leaving directory'
+# messages which can occur if `w' ends up in MAKEFLAGS.
+# In particular we don't look at `^make:' because GNU make might
+# be invoked under some other name (usually "gmake"), in which
+# case it prints its new name instead of `make'.
+if test "`$am_make -s -f confmf 2> /dev/null | grep -v 'ing directory'`" = "done"; then
+   am__include=include
+   am__quote=
+   _am_result=GNU
+fi
+# Now try BSD make style include.
+if test "$am__include" = "#"; then
+   echo '.include "confinc"' > confmf
+   if test "`$am_make -s -f confmf 2> /dev/null`" = "done"; then
+      am__include=.include
+      am__quote="\""
+      _am_result=BSD
+   fi
+fi
+
+
+{ $as_echo "$as_me:$LINENO: result: $_am_result" >&5
+$as_echo "$_am_result" >&6; }
+rm -f confinc confmf
+
+# Check whether --enable-dependency-tracking was given.
+if test "${enable_dependency_tracking+set}" = set; then
+  enableval=$enable_dependency_tracking;
+fi
+
+if test "x$enable_dependency_tracking" != xno; then
+  am_depcomp="$ac_aux_dir/depcomp"
+  AMDEPBACKSLASH='\'
+fi
+ if test "x$enable_dependency_tracking" != xno; then
+  AMDEP_TRUE=
+  AMDEP_FALSE='#'
+else
+  AMDEP_TRUE='#'
+  AMDEP_FALSE=
+fi
+
+
+
+depcc="$CC"   am_compiler_list=
+
+{ $as_echo "$as_me:$LINENO: checking dependency style of $depcc" >&5
+$as_echo_n "checking dependency style of $depcc... " >&6; }
+if test "${am_cv_CC_dependencies_compiler_type+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
+  # We make a subdir and do the tests there.  Otherwise we can end up
+  # making bogus files that we don't know about and never remove.  For
+  # instance it was reported that on HP-UX the gcc test will end up
+  # making a dummy file named `D' -- because `-MD' means `put the output
+  # in D'.
+  mkdir conftest.dir
+  # Copy depcomp to subdir because otherwise we won't find it if we're
+  # using a relative directory.
+  cp "$am_depcomp" conftest.dir
+  cd conftest.dir
+  # We will build objects and dependencies in a subdirectory because
+  # it helps to detect inapplicable dependency modes.  For instance
+  # both Tru64's cc and ICC support -MD to output dependencies as a
+  # side effect of compilation, but ICC will put the dependencies in
+  # the current directory while Tru64 will put them in the object
+  # directory.
+  mkdir sub
+
+  am_cv_CC_dependencies_compiler_type=none
+  if test "$am_compiler_list" = ""; then
+     am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp`
+  fi
+  for depmode in $am_compiler_list; do
+    # Setup a source with many dependencies, because some compilers
+    # like to wrap large dependency lists on column 80 (with \), and
+    # we should not choose a depcomp mode which is confused by this.
+    #
+    # We need to recreate these files for each test, as the compiler may
+    # overwrite some of them when testing with obscure command lines.
+    # This happens at least with the AIX C compiler.
+    : > sub/conftest.c
+    for i in 1 2 3 4 5 6; do
+      echo '#include "conftst'$i'.h"' >> sub/conftest.c
+      # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
+      # Solaris 8's {/usr,}/bin/sh.
+      touch sub/conftst$i.h
+    done
+    echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
+
+    case $depmode in
+    nosideeffect)
+      # after this tag, mechanisms are not by side-effect, so they'll
+      # only be used when explicitly requested
+      if test "x$enable_dependency_tracking" = xyes; then
+	continue
+      else
+	break
+      fi
+      ;;
+    none) break ;;
+    esac
+    # We check with `-c' and `-o' for the sake of the "dashmstdout"
+    # mode.  It turns out that the SunPro C++ compiler does not properly
+    # handle `-M -o', and we need to detect this.
+    if depmode=$depmode \
+       source=sub/conftest.c object=sub/conftest.${OBJEXT-o} \
+       depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
+       $SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c \
+         >/dev/null 2>conftest.err &&
+       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep sub/conftest.${OBJEXT-o} sub/conftest.Po > /dev/null 2>&1 &&
+       ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
+      # icc doesn't choke on unknown options, it will just issue warnings
+      # or remarks (even with -Werror).  So we grep stderr for any message
+      # that says an option was ignored or not supported.
+      # When given -MP, icc 7.0 and 7.1 complain thusly:
+      #   icc: Command line warning: ignoring option '-M'; no argument required
+      # The diagnosis changed in icc 8.0:
+      #   icc: Command line remark: option '-MP' not supported
+      if (grep 'ignoring option' conftest.err ||
+          grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
+        am_cv_CC_dependencies_compiler_type=$depmode
+        break
+      fi
+    fi
+  done
+
+  cd ..
+  rm -rf conftest.dir
+else
+  am_cv_CC_dependencies_compiler_type=none
+fi
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $am_cv_CC_dependencies_compiler_type" >&5
+$as_echo "$am_cv_CC_dependencies_compiler_type" >&6; }
+CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type
+
+ if
+  test "x$enable_dependency_tracking" != xno \
+  && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then
+  am__fastdepCC_TRUE=
+  am__fastdepCC_FALSE='#'
+else
+  am__fastdepCC_TRUE='#'
+  am__fastdepCC_FALSE=
+fi
+
+
+if test "x$CC" != xcc; then
+  { $as_echo "$as_me:$LINENO: checking whether $CC and cc understand -c and -o together" >&5
+$as_echo_n "checking whether $CC and cc understand -c and -o together... " >&6; }
+else
+  { $as_echo "$as_me:$LINENO: checking whether cc understands -c and -o together" >&5
+$as_echo_n "checking whether cc understands -c and -o together... " >&6; }
+fi
+set dummy $CC; ac_cc=`$as_echo "$2" |
+		      sed 's/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/'`
+if { as_var=ac_cv_prog_cc_${ac_cc}_c_o; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+# Make sure it works both with $CC and with simple cc.
+# We do the test twice because some compilers refuse to overwrite an
+# existing .o file with -o, though they will create one.
+ac_try='$CC -c conftest.$ac_ext -o conftest2.$ac_objext >&5'
+rm -f conftest2.*
+if { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+   test -f conftest2.$ac_objext && { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); };
+then
+  eval ac_cv_prog_cc_${ac_cc}_c_o=yes
+  if test "x$CC" != xcc; then
+    # Test first that cc exists at all.
+    if { ac_try='cc -c conftest.$ac_ext >&5'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+      ac_try='cc -c conftest.$ac_ext -o conftest2.$ac_objext >&5'
+      rm -f conftest2.*
+      if { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 test -f conftest2.$ac_objext && { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); };
+      then
+	# cc works too.
+	:
+      else
+	# cc exists but doesn't like -o.
+	eval ac_cv_prog_cc_${ac_cc}_c_o=no
+      fi
+    fi
+  fi
+else
+  eval ac_cv_prog_cc_${ac_cc}_c_o=no
+fi
+rm -f core conftest*
+
+fi
+if eval test \$ac_cv_prog_cc_${ac_cc}_c_o = yes; then
+  { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define NO_MINUS_C_MINUS_O 1
+_ACEOF
+
+fi
+
+# FIXME: we rely on the cache variable name because
+# there is no other way.
+set dummy $CC
+ac_cc=`echo $2 | sed 's/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/'`
+if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" != yes"; then
+   # Losing compiler, so override with the script.
+   # FIXME: It is wrong to rewrite CC.
+   # But if we don't then we get into trouble of one sort or another.
+   # A longer-term fix would be to have automake use am__CC in this case,
+   # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
+   CC="$am_aux_dir/compile $CC"
+fi
+
+
+
+# Find fortran compiler. If FC isn't set after AC_PROG_FC, we couldn't
+# find a fortran compiler. If the user requested the fortran API, then
+# bail out right here.
+{ $as_echo "$as_me:$LINENO: finding Fortran compiler (required, even if Fortran API is not desired)" >&5
+$as_echo "$as_me: finding Fortran compiler (required, even if Fortran API is not desired)" >&6;}
+
+# We must call AC_PROG_F77 here, otherwise the LIBTOOL macro below
+# will call it, and reset F77 to g77.
+ac_ext=f
+ac_compile='$F77 -c $FFLAGS conftest.$ac_ext >&5'
+ac_link='$F77 -o conftest$ac_exeext $FFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_f77_compiler_gnu
+if test -n "$ac_tool_prefix"; then
+  for ac_prog in mpxlf_r xlf fort xlf95 ifort ifc efc pgf95 lf95 g95 gfortran f95 frt pgf77 f77 fort77 fl32 af77 f90 xlf90 pgf90 epcf90 g77
+  do
+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_F77+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$F77"; then
+  ac_cv_prog_F77="$F77" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_F77="$ac_tool_prefix$ac_prog"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+F77=$ac_cv_prog_F77
+if test -n "$F77"; then
+  { $as_echo "$as_me:$LINENO: result: $F77" >&5
+$as_echo "$F77" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+    test -n "$F77" && break
+  done
+fi
+if test -z "$F77"; then
+  ac_ct_F77=$F77
+  for ac_prog in mpxlf_r xlf fort xlf95 ifort ifc efc pgf95 lf95 g95 gfortran f95 frt pgf77 f77 fort77 fl32 af77 f90 xlf90 pgf90 epcf90 g77
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_F77+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_F77"; then
+  ac_cv_prog_ac_ct_F77="$ac_ct_F77" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_F77="$ac_prog"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_F77=$ac_cv_prog_ac_ct_F77
+if test -n "$ac_ct_F77"; then
+  { $as_echo "$as_me:$LINENO: result: $ac_ct_F77" >&5
+$as_echo "$ac_ct_F77" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$ac_ct_F77" && break
+done
+
+  if test "x$ac_ct_F77" = x; then
+    F77=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&5
+$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&2;}
+ac_tool_warned=yes ;;
+esac
+    F77=$ac_ct_F77
+  fi
+fi
+
+
+# Provide some information about the compiler.
+$as_echo "$as_me:$LINENO: checking for Fortran 77 compiler version" >&5
+set X $ac_compile
+ac_compiler=$2
+{ (ac_try="$ac_compiler --version >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compiler --version >&5") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+{ (ac_try="$ac_compiler -v >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compiler -v >&5") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+{ (ac_try="$ac_compiler -V >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compiler -V >&5") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+rm -f a.out
+
+# If we don't use `.F' as extension, the preprocessor is not run on the
+# input file.  (Note that this only needs to work for GNU compilers.)
+ac_save_ext=$ac_ext
+ac_ext=F
+{ $as_echo "$as_me:$LINENO: checking whether we are using the GNU Fortran 77 compiler" >&5
+$as_echo_n "checking whether we are using the GNU Fortran 77 compiler... " >&6; }
+if test "${ac_cv_f77_compiler_gnu+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+      program main
+#ifndef __GNUC__
+       choke me
+#endif
+
+      end
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_f77_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_compiler_gnu=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_compiler_gnu=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ac_cv_f77_compiler_gnu=$ac_compiler_gnu
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_f77_compiler_gnu" >&5
+$as_echo "$ac_cv_f77_compiler_gnu" >&6; }
+ac_ext=$ac_save_ext
+ac_test_FFLAGS=${FFLAGS+set}
+ac_save_FFLAGS=$FFLAGS
+FFLAGS=
+{ $as_echo "$as_me:$LINENO: checking whether $F77 accepts -g" >&5
+$as_echo_n "checking whether $F77 accepts -g... " >&6; }
+if test "${ac_cv_prog_f77_g+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  FFLAGS=-g
+cat >conftest.$ac_ext <<_ACEOF
+      program main
+
+      end
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_f77_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_prog_f77_g=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_prog_f77_g=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_prog_f77_g" >&5
+$as_echo "$ac_cv_prog_f77_g" >&6; }
+if test "$ac_test_FFLAGS" = set; then
+  FFLAGS=$ac_save_FFLAGS
+elif test $ac_cv_prog_f77_g = yes; then
+  if test "x$ac_cv_f77_compiler_gnu" = xyes; then
+    FFLAGS="-g -O2"
+  else
+    FFLAGS="-g"
+  fi
+else
+  if test "x$ac_cv_f77_compiler_gnu" = xyes; then
+    FFLAGS="-O2"
+  else
+    FFLAGS=
+  fi
+fi
+
+if test $ac_compiler_gnu = yes; then
+  G77=yes
+else
+  G77=
+fi
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+if test "${F77+set}" = set && test "x$F77" = x && test "x$nc_build_fortran" = xyes; then
+   { { $as_echo "$as_me:$LINENO: error: Can't find F77 compiler, and compiler recovery disabled." >&5
+$as_echo "$as_me: error: Can't find F77 compiler, and compiler recovery disabled." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+ac_ext=${ac_fc_srcext-f}
+ac_compile='$FC -c $FCFLAGS $ac_fcflags_srcext conftest.$ac_ext >&5'
+ac_link='$FC -o conftest$ac_exeext $FCFLAGS $LDFLAGS $ac_fcflags_srcext conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_fc_compiler_gnu
+if test -n "$ac_tool_prefix"; then
+  for ac_prog in mpxlf_r xlf90 fort xlf95 ifort ifc efc pgf95 lf95 g95 gfortran f95 frt pgf77 f77 fort77 fl32 af77 f90 xlf90 pgf90 epcf90 g77
+  do
+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_FC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$FC"; then
+  ac_cv_prog_FC="$FC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_FC="$ac_tool_prefix$ac_prog"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+FC=$ac_cv_prog_FC
+if test -n "$FC"; then
+  { $as_echo "$as_me:$LINENO: result: $FC" >&5
+$as_echo "$FC" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+    test -n "$FC" && break
+  done
+fi
+if test -z "$FC"; then
+  ac_ct_FC=$FC
+  for ac_prog in mpxlf_r xlf90 fort xlf95 ifort ifc efc pgf95 lf95 g95 gfortran f95 frt pgf77 f77 fort77 fl32 af77 f90 xlf90 pgf90 epcf90 g77
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_FC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_FC"; then
+  ac_cv_prog_ac_ct_FC="$ac_ct_FC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_FC="$ac_prog"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_FC=$ac_cv_prog_ac_ct_FC
+if test -n "$ac_ct_FC"; then
+  { $as_echo "$as_me:$LINENO: result: $ac_ct_FC" >&5
+$as_echo "$ac_ct_FC" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$ac_ct_FC" && break
+done
+
+  if test "x$ac_ct_FC" = x; then
+    FC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&5
+$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&2;}
+ac_tool_warned=yes ;;
+esac
+    FC=$ac_ct_FC
+  fi
+fi
+
+
+# Provide some information about the compiler.
+$as_echo "$as_me:$LINENO: checking for Fortran compiler version" >&5
+set X $ac_compile
+ac_compiler=$2
+{ (ac_try="$ac_compiler --version >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compiler --version >&5") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+{ (ac_try="$ac_compiler -v >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compiler -v >&5") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+{ (ac_try="$ac_compiler -V >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compiler -V >&5") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+rm -f a.out
+
+# If we don't use `.F' as extension, the preprocessor is not run on the
+# input file.  (Note that this only needs to work for GNU compilers.)
+ac_save_ext=$ac_ext
+ac_ext=F
+{ $as_echo "$as_me:$LINENO: checking whether we are using the GNU Fortran compiler" >&5
+$as_echo_n "checking whether we are using the GNU Fortran compiler... " >&6; }
+if test "${ac_cv_fc_compiler_gnu+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+      program main
+#ifndef __GNUC__
+       choke me
+#endif
+
+      end
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_fc_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_compiler_gnu=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_compiler_gnu=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ac_cv_fc_compiler_gnu=$ac_compiler_gnu
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_fc_compiler_gnu" >&5
+$as_echo "$ac_cv_fc_compiler_gnu" >&6; }
+ac_ext=$ac_save_ext
+ac_test_FFLAGS=${FCFLAGS+set}
+ac_save_FFLAGS=$FCFLAGS
+FCFLAGS=
+{ $as_echo "$as_me:$LINENO: checking whether $FC accepts -g" >&5
+$as_echo_n "checking whether $FC accepts -g... " >&6; }
+if test "${ac_cv_prog_fc_g+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  FCFLAGS=-g
+cat >conftest.$ac_ext <<_ACEOF
+      program main
+
+      end
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_fc_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_prog_fc_g=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_prog_fc_g=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_prog_fc_g" >&5
+$as_echo "$ac_cv_prog_fc_g" >&6; }
+if test "$ac_test_FFLAGS" = set; then
+  FCFLAGS=$ac_save_FFLAGS
+elif test $ac_cv_prog_fc_g = yes; then
+  if test "x$ac_cv_fc_compiler_gnu" = xyes; then
+    FCFLAGS="-g -O2"
+  else
+    FCFLAGS="-g"
+  fi
+else
+  if test "x$ac_cv_fc_compiler_gnu" = xyes; then
+    FCFLAGS="-O2"
+  else
+    FCFLAGS=
+  fi
+fi
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+{ $as_echo "$as_me:$LINENO: finding other utilities" >&5
+$as_echo "$as_me: finding other utilities" >&6;}
+
+# Find a good install program.  We prefer a C program (faster),
+# so one script is as good as another.  But avoid the broken or
+# incompatible versions:
+# SysV /etc/install, /usr/sbin/install
+# SunOS /usr/etc/install
+# IRIX /sbin/install
+# AIX /bin/install
+# AmigaOS /C/install, which installs bootblocks on floppy discs
+# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
+# AFS /usr/afsws/bin/install, which mishandles nonexistent args
+# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
+# OS/2's system install, which has a completely different semantic
+# ./install, which can be erroneously created by make from ./install.sh.
+# Reject install programs that cannot install multiple files.
+{ $as_echo "$as_me:$LINENO: checking for a BSD-compatible install" >&5
+$as_echo_n "checking for a BSD-compatible install... " >&6; }
+if test -z "$INSTALL"; then
+if test "${ac_cv_path_install+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  # Account for people who put trailing slashes in PATH elements.
+case $as_dir/ in
+  ./ | .// | /cC/* | \
+  /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \
+  ?:\\/os2\\/install\\/* | ?:\\/OS2\\/INSTALL\\/* | \
+  /usr/ucb/* ) ;;
+  *)
+    # OSF1 and SCO ODT 3.0 have their own names for install.
+    # Don't use installbsd from OSF since it installs stuff as root
+    # by default.
+    for ac_prog in ginstall scoinst install; do
+      for ac_exec_ext in '' $ac_executable_extensions; do
+	if { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; }; then
+	  if test $ac_prog = install &&
+	    grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+	    # AIX install.  It has an incompatible calling convention.
+	    :
+	  elif test $ac_prog = install &&
+	    grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+	    # program-specific install script used by HP pwplus--don't use.
+	    :
+	  else
+	    rm -rf conftest.one conftest.two conftest.dir
+	    echo one > conftest.one
+	    echo two > conftest.two
+	    mkdir conftest.dir
+	    if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" &&
+	      test -s conftest.one && test -s conftest.two &&
+	      test -s conftest.dir/conftest.one &&
+	      test -s conftest.dir/conftest.two
+	    then
+	      ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
+	      break 3
+	    fi
+	  fi
+	fi
+      done
+    done
+    ;;
+esac
+
+done
+IFS=$as_save_IFS
+
+rm -rf conftest.one conftest.two conftest.dir
+
+fi
+  if test "${ac_cv_path_install+set}" = set; then
+    INSTALL=$ac_cv_path_install
+  else
+    # As a last resort, use the slow shell script.  Don't cache a
+    # value for INSTALL within a source directory, because that will
+    # break other packages using the cache if that directory is
+    # removed, or if the value is a relative name.
+    INSTALL=$ac_install_sh
+  fi
+fi
+{ $as_echo "$as_me:$LINENO: result: $INSTALL" >&5
+$as_echo "$INSTALL" >&6; }
+
+# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
+# It thinks the first close brace ends the variable substitution.
+test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
+
+test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
+
+test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
+
+
+{ $as_echo "$as_me:$LINENO: setting up libtool" >&5
+$as_echo "$as_me: setting up libtool" >&6;}
+
+# Produce a windows DLL. This macro must be before AM_PROG_LIBTOOL.
+enable_win32_dll=yes
+
+case $host in
+*-*-cygwin* | *-*-mingw* | *-*-pw32*)
+  if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}as", so it can be a program name with args.
+set dummy ${ac_tool_prefix}as; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_AS+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$AS"; then
+  ac_cv_prog_AS="$AS" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_AS="${ac_tool_prefix}as"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+AS=$ac_cv_prog_AS
+if test -n "$AS"; then
+  { $as_echo "$as_me:$LINENO: result: $AS" >&5
+$as_echo "$AS" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_AS"; then
+  ac_ct_AS=$AS
+  # Extract the first word of "as", so it can be a program name with args.
+set dummy as; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_AS+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_AS"; then
+  ac_cv_prog_ac_ct_AS="$ac_ct_AS" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_AS="as"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_AS=$ac_cv_prog_ac_ct_AS
+if test -n "$ac_ct_AS"; then
+  { $as_echo "$as_me:$LINENO: result: $ac_ct_AS" >&5
+$as_echo "$ac_ct_AS" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_AS" = x; then
+    AS="false"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&5
+$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&2;}
+ac_tool_warned=yes ;;
+esac
+    AS=$ac_ct_AS
+  fi
+else
+  AS="$ac_cv_prog_AS"
+fi
+
+  if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args.
+set dummy ${ac_tool_prefix}dlltool; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_DLLTOOL+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$DLLTOOL"; then
+  ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+DLLTOOL=$ac_cv_prog_DLLTOOL
+if test -n "$DLLTOOL"; then
+  { $as_echo "$as_me:$LINENO: result: $DLLTOOL" >&5
+$as_echo "$DLLTOOL" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_DLLTOOL"; then
+  ac_ct_DLLTOOL=$DLLTOOL
+  # Extract the first word of "dlltool", so it can be a program name with args.
+set dummy dlltool; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_DLLTOOL+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_DLLTOOL"; then
+  ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_DLLTOOL="dlltool"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL
+if test -n "$ac_ct_DLLTOOL"; then
+  { $as_echo "$as_me:$LINENO: result: $ac_ct_DLLTOOL" >&5
+$as_echo "$ac_ct_DLLTOOL" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_DLLTOOL" = x; then
+    DLLTOOL="false"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&5
+$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&2;}
+ac_tool_warned=yes ;;
+esac
+    DLLTOOL=$ac_ct_DLLTOOL
+  fi
+else
+  DLLTOOL="$ac_cv_prog_DLLTOOL"
+fi
+
+  if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args.
+set dummy ${ac_tool_prefix}objdump; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_OBJDUMP+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$OBJDUMP"; then
+  ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+OBJDUMP=$ac_cv_prog_OBJDUMP
+if test -n "$OBJDUMP"; then
+  { $as_echo "$as_me:$LINENO: result: $OBJDUMP" >&5
+$as_echo "$OBJDUMP" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_OBJDUMP"; then
+  ac_ct_OBJDUMP=$OBJDUMP
+  # Extract the first word of "objdump", so it can be a program name with args.
+set dummy objdump; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_OBJDUMP+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_OBJDUMP"; then
+  ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_OBJDUMP="objdump"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP
+if test -n "$ac_ct_OBJDUMP"; then
+  { $as_echo "$as_me:$LINENO: result: $ac_ct_OBJDUMP" >&5
+$as_echo "$ac_ct_OBJDUMP" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_OBJDUMP" = x; then
+    OBJDUMP="false"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&5
+$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&2;}
+ac_tool_warned=yes ;;
+esac
+    OBJDUMP=$ac_ct_OBJDUMP
+  fi
+else
+  OBJDUMP="$ac_cv_prog_OBJDUMP"
+fi
+
+  ;;
+esac
+
+test -z "$AS" && AS=as
+
+
+
+
+
+test -z "$DLLTOOL" && DLLTOOL=dlltool
+
+
+
+
+
+test -z "$OBJDUMP" && OBJDUMP=objdump
+
+
+
+
+
+
+
+
+# Use libtool.
+case `pwd` in
+  *\ * | *\	*)
+    { $as_echo "$as_me:$LINENO: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&5
+$as_echo "$as_me: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&2;} ;;
+esac
+
+
+
+macro_version='2.2.4'
+macro_revision='1.2976'
+
+
+
+
+
+
+
+
+
+
+
+
+
+ltmain="$ac_aux_dir/ltmain.sh"
+
+{ $as_echo "$as_me:$LINENO: checking for a sed that does not truncate output" >&5
+$as_echo_n "checking for a sed that does not truncate output... " >&6; }
+if test "${ac_cv_path_SED+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+            ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/
+     for ac_i in 1 2 3 4 5 6 7; do
+       ac_script="$ac_script$as_nl$ac_script"
+     done
+     echo "$ac_script" 2>/dev/null | sed 99q >conftest.sed
+     $as_unset ac_script || ac_script=
+     if test -z "$SED"; then
+  ac_path_SED_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_prog in sed gsed; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_SED="$as_dir/$ac_prog$ac_exec_ext"
+      { test -f "$ac_path_SED" && $as_test_x "$ac_path_SED"; } || continue
+# Check for GNU ac_path_SED and select it if it is found.
+  # Check for GNU $ac_path_SED
+case `"$ac_path_SED" --version 2>&1` in
+*GNU*)
+  ac_cv_path_SED="$ac_path_SED" ac_path_SED_found=:;;
+*)
+  ac_count=0
+  $as_echo_n 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    $as_echo '' >> "conftest.nl"
+    "$ac_path_SED" -f conftest.sed < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    ac_count=`expr $ac_count + 1`
+    if test $ac_count -gt ${ac_path_SED_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_SED="$ac_path_SED"
+      ac_path_SED_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_SED_found && break 3
+    done
+  done
+done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_SED"; then
+    { { $as_echo "$as_me:$LINENO: error: no acceptable sed could be found in \$PATH" >&5
+$as_echo "$as_me: error: no acceptable sed could be found in \$PATH" >&2;}
+   { (exit 1); exit 1; }; }
+  fi
+else
+  ac_cv_path_SED=$SED
+fi
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_path_SED" >&5
+$as_echo "$ac_cv_path_SED" >&6; }
+ SED="$ac_cv_path_SED"
+  rm -f conftest.sed
+
+test -z "$SED" && SED=sed
+Xsed="$SED -e 1s/^X//"
+
+
+
+
+
+
+
+
+
+
+
+{ $as_echo "$as_me:$LINENO: checking for grep that handles long lines and -e" >&5
+$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
+if test "${ac_cv_path_GREP+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -z "$GREP"; then
+  ac_path_GREP_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_prog in grep ggrep; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
+      { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
+# Check for GNU ac_path_GREP and select it if it is found.
+  # Check for GNU $ac_path_GREP
+case `"$ac_path_GREP" --version 2>&1` in
+*GNU*)
+  ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
+*)
+  ac_count=0
+  $as_echo_n 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    $as_echo 'GREP' >> "conftest.nl"
+    "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    ac_count=`expr $ac_count + 1`
+    if test $ac_count -gt ${ac_path_GREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_GREP="$ac_path_GREP"
+      ac_path_GREP_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_GREP_found && break 3
+    done
+  done
+done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_GREP"; then
+    { { $as_echo "$as_me:$LINENO: error: no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
+$as_echo "$as_me: error: no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
+   { (exit 1); exit 1; }; }
+  fi
+else
+  ac_cv_path_GREP=$GREP
+fi
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_path_GREP" >&5
+$as_echo "$ac_cv_path_GREP" >&6; }
+ GREP="$ac_cv_path_GREP"
+
+
+{ $as_echo "$as_me:$LINENO: checking for egrep" >&5
+$as_echo_n "checking for egrep... " >&6; }
+if test "${ac_cv_path_EGREP+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
+   then ac_cv_path_EGREP="$GREP -E"
+   else
+     if test -z "$EGREP"; then
+  ac_path_EGREP_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_prog in egrep; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
+      { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
+# Check for GNU ac_path_EGREP and select it if it is found.
+  # Check for GNU $ac_path_EGREP
+case `"$ac_path_EGREP" --version 2>&1` in
+*GNU*)
+  ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
+*)
+  ac_count=0
+  $as_echo_n 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    $as_echo 'EGREP' >> "conftest.nl"
+    "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    ac_count=`expr $ac_count + 1`
+    if test $ac_count -gt ${ac_path_EGREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_EGREP="$ac_path_EGREP"
+      ac_path_EGREP_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_EGREP_found && break 3
+    done
+  done
+done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_EGREP"; then
+    { { $as_echo "$as_me:$LINENO: error: no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
+$as_echo "$as_me: error: no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
+   { (exit 1); exit 1; }; }
+  fi
+else
+  ac_cv_path_EGREP=$EGREP
+fi
+
+   fi
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_path_EGREP" >&5
+$as_echo "$ac_cv_path_EGREP" >&6; }
+ EGREP="$ac_cv_path_EGREP"
+
+
+{ $as_echo "$as_me:$LINENO: checking for fgrep" >&5
+$as_echo_n "checking for fgrep... " >&6; }
+if test "${ac_cv_path_FGREP+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if echo 'ab*c' | $GREP -F 'ab*c' >/dev/null 2>&1
+   then ac_cv_path_FGREP="$GREP -F"
+   else
+     if test -z "$FGREP"; then
+  ac_path_FGREP_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_prog in fgrep; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_FGREP="$as_dir/$ac_prog$ac_exec_ext"
+      { test -f "$ac_path_FGREP" && $as_test_x "$ac_path_FGREP"; } || continue
+# Check for GNU ac_path_FGREP and select it if it is found.
+  # Check for GNU $ac_path_FGREP
+case `"$ac_path_FGREP" --version 2>&1` in
+*GNU*)
+  ac_cv_path_FGREP="$ac_path_FGREP" ac_path_FGREP_found=:;;
+*)
+  ac_count=0
+  $as_echo_n 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    $as_echo 'FGREP' >> "conftest.nl"
+    "$ac_path_FGREP" FGREP < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    ac_count=`expr $ac_count + 1`
+    if test $ac_count -gt ${ac_path_FGREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_FGREP="$ac_path_FGREP"
+      ac_path_FGREP_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_FGREP_found && break 3
+    done
+  done
+done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_FGREP"; then
+    { { $as_echo "$as_me:$LINENO: error: no acceptable fgrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
+$as_echo "$as_me: error: no acceptable fgrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
+   { (exit 1); exit 1; }; }
+  fi
+else
+  ac_cv_path_FGREP=$FGREP
+fi
+
+   fi
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_path_FGREP" >&5
+$as_echo "$ac_cv_path_FGREP" >&6; }
+ FGREP="$ac_cv_path_FGREP"
+
+
+test -z "$GREP" && GREP=grep
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+# Check whether --with-gnu-ld was given.
+if test "${with_gnu_ld+set}" = set; then
+  withval=$with_gnu_ld; test "$withval" = no || with_gnu_ld=yes
+else
+  with_gnu_ld=no
+fi
+
+ac_prog=ld
+if test "$GCC" = yes; then
+  # Check if gcc -print-prog-name=ld gives a path.
+  { $as_echo "$as_me:$LINENO: checking for ld used by $CC" >&5
+$as_echo_n "checking for ld used by $CC... " >&6; }
+  case $host in
+  *-*-mingw*)
+    # gcc leaves a trailing carriage return which upsets mingw
+    ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
+  *)
+    ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
+  esac
+  case $ac_prog in
+    # Accept absolute paths.
+    [\\/]* | ?:[\\/]*)
+      re_direlt='/[^/][^/]*/\.\./'
+      # Canonicalize the pathname of ld
+      ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'`
+      while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do
+	ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"`
+      done
+      test -z "$LD" && LD="$ac_prog"
+      ;;
+  "")
+    # If it fails, then pretend we aren't using GCC.
+    ac_prog=ld
+    ;;
+  *)
+    # If it is relative, then search for the first ld in PATH.
+    with_gnu_ld=unknown
+    ;;
+  esac
+elif test "$with_gnu_ld" = yes; then
+  { $as_echo "$as_me:$LINENO: checking for GNU ld" >&5
+$as_echo_n "checking for GNU ld... " >&6; }
+else
+  { $as_echo "$as_me:$LINENO: checking for non-GNU ld" >&5
+$as_echo_n "checking for non-GNU ld... " >&6; }
+fi
+if test "${lt_cv_path_LD+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -z "$LD"; then
+  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+  for ac_dir in $PATH; do
+    IFS="$lt_save_ifs"
+    test -z "$ac_dir" && ac_dir=.
+    if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
+      lt_cv_path_LD="$ac_dir/$ac_prog"
+      # Check to see if the program is GNU ld.  I'd rather use --version,
+      # but apparently some variants of GNU ld only accept -v.
+      # Break only if it was the GNU/non-GNU ld that we prefer.
+      case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in
+      *GNU* | *'with BFD'*)
+	test "$with_gnu_ld" != no && break
+	;;
+      *)
+	test "$with_gnu_ld" != yes && break
+	;;
+      esac
+    fi
+  done
+  IFS="$lt_save_ifs"
+else
+  lt_cv_path_LD="$LD" # Let the user override the test with a path.
+fi
+fi
+
+LD="$lt_cv_path_LD"
+if test -n "$LD"; then
+  { $as_echo "$as_me:$LINENO: result: $LD" >&5
+$as_echo "$LD" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+test -z "$LD" && { { $as_echo "$as_me:$LINENO: error: no acceptable ld found in \$PATH" >&5
+$as_echo "$as_me: error: no acceptable ld found in \$PATH" >&2;}
+   { (exit 1); exit 1; }; }
+{ $as_echo "$as_me:$LINENO: checking if the linker ($LD) is GNU ld" >&5
+$as_echo_n "checking if the linker ($LD) is GNU ld... " >&6; }
+if test "${lt_cv_prog_gnu_ld+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  # I'd rather use --version here, but apparently some GNU lds only accept -v.
+case `$LD -v 2>&1 </dev/null` in
+*GNU* | *'with BFD'*)
+  lt_cv_prog_gnu_ld=yes
+  ;;
+*)
+  lt_cv_prog_gnu_ld=no
+  ;;
+esac
+fi
+{ $as_echo "$as_me:$LINENO: result: $lt_cv_prog_gnu_ld" >&5
+$as_echo "$lt_cv_prog_gnu_ld" >&6; }
+with_gnu_ld=$lt_cv_prog_gnu_ld
+
+
+
+
+
+
+
+
+
+{ $as_echo "$as_me:$LINENO: checking for BSD- or MS-compatible name lister (nm)" >&5
+$as_echo_n "checking for BSD- or MS-compatible name lister (nm)... " >&6; }
+if test "${lt_cv_path_NM+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$NM"; then
+  # Let the user override the test.
+  lt_cv_path_NM="$NM"
+else
+  lt_nm_to_check="${ac_tool_prefix}nm"
+  if test -n "$ac_tool_prefix" && test "$build" = "$host"; then
+    lt_nm_to_check="$lt_nm_to_check nm"
+  fi
+  for lt_tmp_nm in $lt_nm_to_check; do
+    lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+    for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do
+      IFS="$lt_save_ifs"
+      test -z "$ac_dir" && ac_dir=.
+      tmp_nm="$ac_dir/$lt_tmp_nm"
+      if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then
+	# Check to see if the nm accepts a BSD-compat flag.
+	# Adding the `sed 1q' prevents false positives on HP-UX, which says:
+	#   nm: unknown option "B" ignored
+	# Tru64's nm complains that /dev/null is an invalid object file
+	case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in
+	*/dev/null* | *'Invalid file or object type'*)
+	  lt_cv_path_NM="$tmp_nm -B"
+	  break
+	  ;;
+	*)
+	  case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in
+	  */dev/null*)
+	    lt_cv_path_NM="$tmp_nm -p"
+	    break
+	    ;;
+	  *)
+	    lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
+	    continue # so that we can try to find one that supports BSD flags
+	    ;;
+	  esac
+	  ;;
+	esac
+      fi
+    done
+    IFS="$lt_save_ifs"
+  done
+  : ${lt_cv_path_NM=no}
+fi
+fi
+{ $as_echo "$as_me:$LINENO: result: $lt_cv_path_NM" >&5
+$as_echo "$lt_cv_path_NM" >&6; }
+if test "$lt_cv_path_NM" != "no"; then
+  NM="$lt_cv_path_NM"
+else
+  # Didn't find any BSD compatible name lister, look for dumpbin.
+  if test -n "$ac_tool_prefix"; then
+  for ac_prog in "dumpbin -symbols" "link -dump -symbols"
+  do
+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_DUMPBIN+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$DUMPBIN"; then
+  ac_cv_prog_DUMPBIN="$DUMPBIN" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_DUMPBIN="$ac_tool_prefix$ac_prog"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+DUMPBIN=$ac_cv_prog_DUMPBIN
+if test -n "$DUMPBIN"; then
+  { $as_echo "$as_me:$LINENO: result: $DUMPBIN" >&5
+$as_echo "$DUMPBIN" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+    test -n "$DUMPBIN" && break
+  done
+fi
+if test -z "$DUMPBIN"; then
+  ac_ct_DUMPBIN=$DUMPBIN
+  for ac_prog in "dumpbin -symbols" "link -dump -symbols"
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_DUMPBIN+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_DUMPBIN"; then
+  ac_cv_prog_ac_ct_DUMPBIN="$ac_ct_DUMPBIN" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_DUMPBIN="$ac_prog"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_DUMPBIN=$ac_cv_prog_ac_ct_DUMPBIN
+if test -n "$ac_ct_DUMPBIN"; then
+  { $as_echo "$as_me:$LINENO: result: $ac_ct_DUMPBIN" >&5
+$as_echo "$ac_ct_DUMPBIN" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$ac_ct_DUMPBIN" && break
+done
+
+  if test "x$ac_ct_DUMPBIN" = x; then
+    DUMPBIN=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&5
+$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&2;}
+ac_tool_warned=yes ;;
+esac
+    DUMPBIN=$ac_ct_DUMPBIN
+  fi
+fi
+
+
+  if test "$DUMPBIN" != ":"; then
+    NM="$DUMPBIN"
+  fi
+fi
+test -z "$NM" && NM=nm
+
+
+
+
+
+
+{ $as_echo "$as_me:$LINENO: checking the name lister ($NM) interface" >&5
+$as_echo_n "checking the name lister ($NM) interface... " >&6; }
+if test "${lt_cv_nm_interface+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_nm_interface="BSD nm"
+  echo "int some_variable = 0;" > conftest.$ac_ext
+  (eval echo "\"\$as_me:5566: $ac_compile\"" >&5)
+  (eval "$ac_compile" 2>conftest.err)
+  cat conftest.err >&5
+  (eval echo "\"\$as_me:5569: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
+  (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
+  cat conftest.err >&5
+  (eval echo "\"\$as_me:5572: output\"" >&5)
+  cat conftest.out >&5
+  if $GREP 'External.*some_variable' conftest.out > /dev/null; then
+    lt_cv_nm_interface="MS dumpbin"
+  fi
+  rm -f conftest*
+fi
+{ $as_echo "$as_me:$LINENO: result: $lt_cv_nm_interface" >&5
+$as_echo "$lt_cv_nm_interface" >&6; }
+
+{ $as_echo "$as_me:$LINENO: checking whether ln -s works" >&5
+$as_echo_n "checking whether ln -s works... " >&6; }
+LN_S=$as_ln_s
+if test "$LN_S" = "ln -s"; then
+  { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no, using $LN_S" >&5
+$as_echo "no, using $LN_S" >&6; }
+fi
+
+# find the maximum length of command line arguments
+{ $as_echo "$as_me:$LINENO: checking the maximum length of command line arguments" >&5
+$as_echo_n "checking the maximum length of command line arguments... " >&6; }
+if test "${lt_cv_sys_max_cmd_len+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+    i=0
+  teststring="ABCD"
+
+  case $build_os in
+  msdosdjgpp*)
+    # On DJGPP, this test can blow up pretty badly due to problems in libc
+    # (any single argument exceeding 2000 bytes causes a buffer overrun
+    # during glob expansion).  Even if it were fixed, the result of this
+    # check would be larger than it should be.
+    lt_cv_sys_max_cmd_len=12288;    # 12K is about right
+    ;;
+
+  gnu*)
+    # Under GNU Hurd, this test is not required because there is
+    # no limit to the length of command line arguments.
+    # Libtool will interpret -1 as no limit whatsoever
+    lt_cv_sys_max_cmd_len=-1;
+    ;;
+
+  cygwin* | mingw*)
+    # On Win9x/ME, this test blows up -- it succeeds, but takes
+    # about 5 minutes as the teststring grows exponentially.
+    # Worse, since 9x/ME are not pre-emptively multitasking,
+    # you end up with a "frozen" computer, even though with patience
+    # the test eventually succeeds (with a max line length of 256k).
+    # Instead, let's just punt: use the minimum linelength reported by
+    # all of the supported platforms: 8192 (on NT/2K/XP).
+    lt_cv_sys_max_cmd_len=8192;
+    ;;
+
+  amigaos*)
+    # On AmigaOS with pdksh, this test takes hours, literally.
+    # So we just punt and use a minimum line length of 8192.
+    lt_cv_sys_max_cmd_len=8192;
+    ;;
+
+  netbsd* | freebsd* | openbsd* | darwin* | dragonfly*)
+    # This has been around since 386BSD, at least.  Likely further.
+    if test -x /sbin/sysctl; then
+      lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax`
+    elif test -x /usr/sbin/sysctl; then
+      lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax`
+    else
+      lt_cv_sys_max_cmd_len=65536	# usable default for all BSDs
+    fi
+    # And add a safety zone
+    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
+    ;;
+
+  interix*)
+    # We know the value 262144 and hardcode it with a safety zone (like BSD)
+    lt_cv_sys_max_cmd_len=196608
+    ;;
+
+  osf*)
+    # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
+    # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not
+    # nice to cause kernel panics so lets avoid the loop below.
+    # First set a reasonable default.
+    lt_cv_sys_max_cmd_len=16384
+    #
+    if test -x /sbin/sysconfig; then
+      case `/sbin/sysconfig -q proc exec_disable_arg_limit` in
+        *1*) lt_cv_sys_max_cmd_len=-1 ;;
+      esac
+    fi
+    ;;
+  sco3.2v5*)
+    lt_cv_sys_max_cmd_len=102400
+    ;;
+  sysv5* | sco5v6* | sysv4.2uw2*)
+    kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null`
+    if test -n "$kargmax"; then
+      lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[	 ]//'`
+    else
+      lt_cv_sys_max_cmd_len=32768
+    fi
+    ;;
+  *)
+    lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null`
+    if test -n "$lt_cv_sys_max_cmd_len"; then
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
+    else
+      # Make teststring a little bigger before we do anything with it.
+      # a 1K string should be a reasonable start.
+      for i in 1 2 3 4 5 6 7 8 ; do
+        teststring=$teststring$teststring
+      done
+      SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}}
+      # If test is not a shell built-in, we'll probably end up computing a
+      # maximum length that is only half of the actual maximum length, but
+      # we can't tell.
+      while { test "X"`$SHELL $0 --fallback-echo "X$teststring$teststring" 2>/dev/null` \
+	         = "XX$teststring$teststring"; } >/dev/null 2>&1 &&
+	      test $i != 17 # 1/2 MB should be enough
+      do
+        i=`expr $i + 1`
+        teststring=$teststring$teststring
+      done
+      # Only check the string length outside the loop.
+      lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1`
+      teststring=
+      # Add a significant safety factor because C++ compilers can tack on
+      # massive amounts of additional arguments before passing them to the
+      # linker.  It appears as though 1/2 is a usable value.
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2`
+    fi
+    ;;
+  esac
+
+fi
+
+if test -n $lt_cv_sys_max_cmd_len ; then
+  { $as_echo "$as_me:$LINENO: result: $lt_cv_sys_max_cmd_len" >&5
+$as_echo "$lt_cv_sys_max_cmd_len" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: none" >&5
+$as_echo "none" >&6; }
+fi
+max_cmd_len=$lt_cv_sys_max_cmd_len
+
+
+
+
+
+
+: ${CP="cp -f"}
+: ${MV="mv -f"}
+: ${RM="rm -f"}
+
+{ $as_echo "$as_me:$LINENO: checking whether the shell understands some XSI constructs" >&5
+$as_echo_n "checking whether the shell understands some XSI constructs... " >&6; }
+# Try some XSI features
+xsi_shell=no
+( _lt_dummy="a/b/c"
+  test "${_lt_dummy##*/},${_lt_dummy%/*},"${_lt_dummy%"$_lt_dummy"}, \
+      = c,a/b,, \
+    && eval 'test $(( 1 + 1 )) -eq 2 \
+    && test "${#_lt_dummy}" -eq 5' ) >/dev/null 2>&1 \
+  && xsi_shell=yes
+{ $as_echo "$as_me:$LINENO: result: $xsi_shell" >&5
+$as_echo "$xsi_shell" >&6; }
+
+
+{ $as_echo "$as_me:$LINENO: checking whether the shell understands \"+=\"" >&5
+$as_echo_n "checking whether the shell understands \"+=\"... " >&6; }
+lt_shell_append=no
+( foo=bar; set foo baz; eval "$1+=\$2" && test "$foo" = barbaz ) \
+    >/dev/null 2>&1 \
+  && lt_shell_append=yes
+{ $as_echo "$as_me:$LINENO: result: $lt_shell_append" >&5
+$as_echo "$lt_shell_append" >&6; }
+
+
+if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
+  lt_unset=unset
+else
+  lt_unset=false
+fi
+
+
+
+
+
+# test EBCDIC or ASCII
+case `echo X|tr X '\101'` in
+ A) # ASCII based system
+    # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr
+  lt_SP2NL='tr \040 \012'
+  lt_NL2SP='tr \015\012 \040\040'
+  ;;
+ *) # EBCDIC based system
+  lt_SP2NL='tr \100 \n'
+  lt_NL2SP='tr \r\n \100\100'
+  ;;
+esac
+
+
+
+
+
+
+
+
+
+{ $as_echo "$as_me:$LINENO: checking for $LD option to reload object files" >&5
+$as_echo_n "checking for $LD option to reload object files... " >&6; }
+if test "${lt_cv_ld_reload_flag+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_ld_reload_flag='-r'
+fi
+{ $as_echo "$as_me:$LINENO: result: $lt_cv_ld_reload_flag" >&5
+$as_echo "$lt_cv_ld_reload_flag" >&6; }
+reload_flag=$lt_cv_ld_reload_flag
+case $reload_flag in
+"" | " "*) ;;
+*) reload_flag=" $reload_flag" ;;
+esac
+reload_cmds='$LD$reload_flag -o $output$reload_objs'
+case $host_os in
+  darwin*)
+    if test "$GCC" = yes; then
+      reload_cmds='$LTCC $LTCFLAGS -nostdlib ${wl}-r -o $output$reload_objs'
+    else
+      reload_cmds='$LD$reload_flag -o $output$reload_objs'
+    fi
+    ;;
+esac
+
+
+
+
+
+
+
+
+
+
+{ $as_echo "$as_me:$LINENO: checking how to recognize dependent libraries" >&5
+$as_echo_n "checking how to recognize dependent libraries... " >&6; }
+if test "${lt_cv_deplibs_check_method+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_file_magic_cmd='$MAGIC_CMD'
+lt_cv_file_magic_test_file=
+lt_cv_deplibs_check_method='unknown'
+# Need to set the preceding variable on all platforms that support
+# interlibrary dependencies.
+# 'none' -- dependencies not supported.
+# `unknown' -- same as none, but documents that we really don't know.
+# 'pass_all' -- all dependencies passed with no checks.
+# 'test_compile' -- check by making test program.
+# 'file_magic [[regex]]' -- check by looking for files in library path
+# which responds to the $file_magic_cmd with a given extended regex.
+# If you have `file' or equivalent on your system and you're not sure
+# whether `pass_all' will *always* work, you probably want this one.
+
+case $host_os in
+aix[4-9]*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+beos*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+bsdi[45]*)
+  lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)'
+  lt_cv_file_magic_cmd='/usr/bin/file -L'
+  lt_cv_file_magic_test_file=/shlib/libc.so
+  ;;
+
+cygwin*)
+  # func_win32_libid is a shell function defined in ltmain.sh
+  lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
+  lt_cv_file_magic_cmd='func_win32_libid'
+  ;;
+
+mingw* | pw32*)
+  # Base MSYS/MinGW do not provide the 'file' command needed by
+  # func_win32_libid shell function, so use a weaker test based on 'objdump',
+  # unless we find 'file', for example because we are cross-compiling.
+  if ( file / ) >/dev/null 2>&1; then
+    lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
+    lt_cv_file_magic_cmd='func_win32_libid'
+  else
+    lt_cv_deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?'
+    lt_cv_file_magic_cmd='$OBJDUMP -f'
+  fi
+  ;;
+
+darwin* | rhapsody*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+freebsd* | dragonfly*)
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
+    case $host_cpu in
+    i*86 )
+      # Not sure whether the presence of OpenBSD here was a mistake.
+      # Let's accept both of them until this is cleared up.
+      lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library'
+      lt_cv_file_magic_cmd=/usr/bin/file
+      lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
+      ;;
+    esac
+  else
+    lt_cv_deplibs_check_method=pass_all
+  fi
+  ;;
+
+gnu*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+hpux10.20* | hpux11*)
+  lt_cv_file_magic_cmd=/usr/bin/file
+  case $host_cpu in
+  ia64*)
+    lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64'
+    lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so
+    ;;
+  hppa*64*)
+    lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - PA-RISC [0-9].[0-9]'
+    lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl
+    ;;
+  *)
+    lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9].[0-9]) shared library'
+    lt_cv_file_magic_test_file=/usr/lib/libc.sl
+    ;;
+  esac
+  ;;
+
+interix[3-9]*)
+  # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here
+  lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|\.a)$'
+  ;;
+
+irix5* | irix6* | nonstopux*)
+  case $LD in
+  *-32|*"-32 ") libmagic=32-bit;;
+  *-n32|*"-n32 ") libmagic=N32;;
+  *-64|*"-64 ") libmagic=64-bit;;
+  *) libmagic=never-match;;
+  esac
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+# This must be Linux ELF.
+linux* | k*bsd*-gnu)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+netbsd*)
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
+    lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$'
+  else
+    lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|_pic\.a)$'
+  fi
+  ;;
+
+newos6*)
+  lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)'
+  lt_cv_file_magic_cmd=/usr/bin/file
+  lt_cv_file_magic_test_file=/usr/lib/libnls.so
+  ;;
+
+*nto* | *qnx*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+openbsd*)
+  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+    lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|\.so|_pic\.a)$'
+  else
+    lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$'
+  fi
+  ;;
+
+osf3* | osf4* | osf5*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+rdos*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+solaris*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+sysv4 | sysv4.3*)
+  case $host_vendor in
+  motorola)
+    lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]'
+    lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
+    ;;
+  ncr)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  sequent)
+    lt_cv_file_magic_cmd='/bin/file'
+    lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )'
+    ;;
+  sni)
+    lt_cv_file_magic_cmd='/bin/file'
+    lt_cv_deplibs_check_method="file_magic ELF [0-9][0-9]*-bit [LM]SB dynamic lib"
+    lt_cv_file_magic_test_file=/lib/libc.so
+    ;;
+  siemens)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  pc)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  esac
+  ;;
+
+tpf*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+esac
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $lt_cv_deplibs_check_method" >&5
+$as_echo "$lt_cv_deplibs_check_method" >&6; }
+file_magic_cmd=$lt_cv_file_magic_cmd
+deplibs_check_method=$lt_cv_deplibs_check_method
+test -z "$deplibs_check_method" && deplibs_check_method=unknown
+
+
+
+
+
+
+
+
+
+
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args.
+set dummy ${ac_tool_prefix}ar; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_AR+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$AR"; then
+  ac_cv_prog_AR="$AR" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_AR="${ac_tool_prefix}ar"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+AR=$ac_cv_prog_AR
+if test -n "$AR"; then
+  { $as_echo "$as_me:$LINENO: result: $AR" >&5
+$as_echo "$AR" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_AR"; then
+  ac_ct_AR=$AR
+  # Extract the first word of "ar", so it can be a program name with args.
+set dummy ar; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_AR+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_AR"; then
+  ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_AR="ar"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_AR=$ac_cv_prog_ac_ct_AR
+if test -n "$ac_ct_AR"; then
+  { $as_echo "$as_me:$LINENO: result: $ac_ct_AR" >&5
+$as_echo "$ac_ct_AR" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_AR" = x; then
+    AR="false"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&5
+$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&2;}
+ac_tool_warned=yes ;;
+esac
+    AR=$ac_ct_AR
+  fi
+else
+  AR="$ac_cv_prog_AR"
+fi
+
+test -z "$AR" && AR=ar
+test -z "$AR_FLAGS" && AR_FLAGS=cru
+
+
+
+
+
+
+
+
+
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
+set dummy ${ac_tool_prefix}strip; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_STRIP+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$STRIP"; then
+  ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_STRIP="${ac_tool_prefix}strip"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+STRIP=$ac_cv_prog_STRIP
+if test -n "$STRIP"; then
+  { $as_echo "$as_me:$LINENO: result: $STRIP" >&5
+$as_echo "$STRIP" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_STRIP"; then
+  ac_ct_STRIP=$STRIP
+  # Extract the first word of "strip", so it can be a program name with args.
+set dummy strip; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_STRIP+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_STRIP"; then
+  ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_STRIP="strip"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
+if test -n "$ac_ct_STRIP"; then
+  { $as_echo "$as_me:$LINENO: result: $ac_ct_STRIP" >&5
+$as_echo "$ac_ct_STRIP" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_STRIP" = x; then
+    STRIP=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&5
+$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&2;}
+ac_tool_warned=yes ;;
+esac
+    STRIP=$ac_ct_STRIP
+  fi
+else
+  STRIP="$ac_cv_prog_STRIP"
+fi
+
+test -z "$STRIP" && STRIP=:
+
+
+
+
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
+set dummy ${ac_tool_prefix}ranlib; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_RANLIB+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$RANLIB"; then
+  ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+RANLIB=$ac_cv_prog_RANLIB
+if test -n "$RANLIB"; then
+  { $as_echo "$as_me:$LINENO: result: $RANLIB" >&5
+$as_echo "$RANLIB" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_RANLIB"; then
+  ac_ct_RANLIB=$RANLIB
+  # Extract the first word of "ranlib", so it can be a program name with args.
+set dummy ranlib; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_RANLIB"; then
+  ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_RANLIB="ranlib"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
+if test -n "$ac_ct_RANLIB"; then
+  { $as_echo "$as_me:$LINENO: result: $ac_ct_RANLIB" >&5
+$as_echo "$ac_ct_RANLIB" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_RANLIB" = x; then
+    RANLIB=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&5
+$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&2;}
+ac_tool_warned=yes ;;
+esac
+    RANLIB=$ac_ct_RANLIB
+  fi
+else
+  RANLIB="$ac_cv_prog_RANLIB"
+fi
+
+test -z "$RANLIB" && RANLIB=:
+
+
+
+
+
+
+# Determine commands to create old-style static archives.
+old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs'
+old_postinstall_cmds='chmod 644 $oldlib'
+old_postuninstall_cmds=
+
+if test -n "$RANLIB"; then
+  case $host_os in
+  openbsd*)
+    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$oldlib"
+    ;;
+  *)
+    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$oldlib"
+    ;;
+  esac
+  old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+# If no C compiler was specified, use CC.
+LTCC=${LTCC-"$CC"}
+
+# If no C compiler flags were specified, use CFLAGS.
+LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
+
+# Allow CC to be a program name with arguments.
+compiler=$CC
+
+
+# Check for command to grab the raw symbol name followed by C symbol from nm.
+{ $as_echo "$as_me:$LINENO: checking command to parse $NM output from $compiler object" >&5
+$as_echo_n "checking command to parse $NM output from $compiler object... " >&6; }
+if test "${lt_cv_sys_global_symbol_pipe+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+
+# These are sane defaults that work on at least a few old systems.
+# [They come from Ultrix.  What could be older than Ultrix?!! ;)]
+
+# Character class describing NM global symbol codes.
+symcode='[BCDEGRST]'
+
+# Regexp to match symbols that can be accessed directly from C.
+sympat='\([_A-Za-z][_A-Za-z0-9]*\)'
+
+# Define system-specific variables.
+case $host_os in
+aix*)
+  symcode='[BCDT]'
+  ;;
+cygwin* | mingw* | pw32*)
+  symcode='[ABCDGISTW]'
+  ;;
+hpux*)
+  if test "$host_cpu" = ia64; then
+    symcode='[ABCDEGRST]'
+  fi
+  ;;
+irix* | nonstopux*)
+  symcode='[BCDEGRST]'
+  ;;
+osf*)
+  symcode='[BCDEGQRST]'
+  ;;
+solaris*)
+  symcode='[BDRT]'
+  ;;
+sco3.2v5*)
+  symcode='[DT]'
+  ;;
+sysv4.2uw2*)
+  symcode='[DT]'
+  ;;
+sysv5* | sco5v6* | unixware* | OpenUNIX*)
+  symcode='[ABDT]'
+  ;;
+sysv4)
+  symcode='[DFNSTU]'
+  ;;
+esac
+
+# If we're using GNU nm, then use its standard symbol codes.
+case `$NM -V 2>&1` in
+*GNU* | *'with BFD'*)
+  symcode='[ABCDGIRSTW]' ;;
+esac
+
+# Transform an extracted symbol line into a proper C declaration.
+# Some systems (esp. on ia64) link data and code symbols differently,
+# so use this general approach.
+lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'"
+
+# Transform an extracted symbol line into symbol name and symbol address
+lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([^ ]*\) $/  {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/  {\"\2\", (void *) \&\2},/p'"
+lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([^ ]*\) $/  {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \(lib[^ ]*\)$/  {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/  {\"lib\2\", (void *) \&\2},/p'"
+
+# Handle CRLF in mingw tool chain
+opt_cr=
+case $build_os in
+mingw*)
+  opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp
+  ;;
+esac
+
+# Try without a prefix underscore, then with it.
+for ac_symprfx in "" "_"; do
+
+  # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol.
+  symxfrm="\\1 $ac_symprfx\\2 \\2"
+
+  # Write the raw and C identifiers.
+  if test "$lt_cv_nm_interface" = "MS dumpbin"; then
+    # Fake it for dumpbin and say T for any non-static function
+    # and D for any global variable.
+    # Also find C++ and __fastcall symbols from MSVC++,
+    # which start with @ or ?.
+    lt_cv_sys_global_symbol_pipe="$AWK '"\
+"     {last_section=section; section=\$ 3};"\
+"     /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\
+"     \$ 0!~/External *\|/{next};"\
+"     / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\
+"     {if(hide[section]) next};"\
+"     {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\
+"     {split(\$ 0, a, /\||\r/); split(a[2], s)};"\
+"     s[1]~/^[@?]/{print s[1], s[1]; next};"\
+"     s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\
+"     ' prfx=^$ac_symprfx"
+  else
+    lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[	 ]\($symcode$symcode*\)[	 ][	 ]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'"
+  fi
+
+  # Check to see that the pipe works correctly.
+  pipe_works=no
+
+  rm -f conftest*
+  cat > conftest.$ac_ext <<_LT_EOF
+#ifdef __cplusplus
+extern "C" {
+#endif
+char nm_test_var;
+void nm_test_func(void);
+void nm_test_func(void){}
+#ifdef __cplusplus
+}
+#endif
+int main(){nm_test_var='a';nm_test_func();return(0);}
+_LT_EOF
+
+  if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+    # Now try to grab the symbols.
+    nlist=conftest.nm
+    if { (eval echo "$as_me:$LINENO: \"$NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \> $nlist\"") >&5
+  (eval $NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \> $nlist) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && test -s "$nlist"; then
+      # Try sorting and uniquifying the output.
+      if sort "$nlist" | uniq > "$nlist"T; then
+	mv -f "$nlist"T "$nlist"
+      else
+	rm -f "$nlist"T
+      fi
+
+      # Make sure that we snagged all the symbols we need.
+      if $GREP ' nm_test_var$' "$nlist" >/dev/null; then
+	if $GREP ' nm_test_func$' "$nlist" >/dev/null; then
+	  cat <<_LT_EOF > conftest.$ac_ext
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+_LT_EOF
+	  # Now generate the symbol file.
+	  eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext'
+
+	  cat <<_LT_EOF >> conftest.$ac_ext
+
+/* The mapping between symbol names and symbols.  */
+const struct {
+  const char *name;
+  void       *address;
+}
+lt__PROGRAM__LTX_preloaded_symbols[] =
+{
+  { "@PROGRAM@", (void *) 0 },
+_LT_EOF
+	  $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/  {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext
+	  cat <<\_LT_EOF >> conftest.$ac_ext
+  {0, (void *) 0}
+};
+
+/* This works around a problem in FreeBSD linker */
+#ifdef FREEBSD_WORKAROUND
+static const void *lt_preloaded_setup() {
+  return lt__PROGRAM__LTX_preloaded_symbols;
+}
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+_LT_EOF
+	  # Now try linking the two files.
+	  mv conftest.$ac_objext conftstm.$ac_objext
+	  lt_save_LIBS="$LIBS"
+	  lt_save_CFLAGS="$CFLAGS"
+	  LIBS="conftstm.$ac_objext"
+	  CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag"
+	  if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && test -s conftest${ac_exeext}; then
+	    pipe_works=yes
+	  fi
+	  LIBS="$lt_save_LIBS"
+	  CFLAGS="$lt_save_CFLAGS"
+	else
+	  echo "cannot find nm_test_func in $nlist" >&5
+	fi
+      else
+	echo "cannot find nm_test_var in $nlist" >&5
+      fi
+    else
+      echo "cannot run $lt_cv_sys_global_symbol_pipe" >&5
+    fi
+  else
+    echo "$progname: failed program was:" >&5
+    cat conftest.$ac_ext >&5
+  fi
+  rm -rf conftest* conftst*
+
+  # Do not use the global_symbol_pipe unless it works.
+  if test "$pipe_works" = yes; then
+    break
+  else
+    lt_cv_sys_global_symbol_pipe=
+  fi
+done
+
+fi
+
+if test -z "$lt_cv_sys_global_symbol_pipe"; then
+  lt_cv_sys_global_symbol_to_cdecl=
+fi
+if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then
+  { $as_echo "$as_me:$LINENO: result: failed" >&5
+$as_echo "failed" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: ok" >&5
+$as_echo "ok" >&6; }
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+# Check whether --enable-libtool-lock was given.
+if test "${enable_libtool_lock+set}" = set; then
+  enableval=$enable_libtool_lock;
+fi
+
+test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes
+
+# Some flags need to be propagated to the compiler or linker for good
+# libtool support.
+case $host in
+ia64-*-hpux*)
+  # Find out which ABI we are using.
+  echo 'int i;' > conftest.$ac_ext
+  if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+    case `/usr/bin/file conftest.$ac_objext` in
+      *ELF-32*)
+	HPUX_IA64_MODE="32"
+	;;
+      *ELF-64*)
+	HPUX_IA64_MODE="64"
+	;;
+    esac
+  fi
+  rm -rf conftest*
+  ;;
+*-*-irix6*)
+  # Find out which ABI we are using.
+  echo '#line 6683 "configure"' > conftest.$ac_ext
+  if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+    if test "$lt_cv_prog_gnu_ld" = yes; then
+      case `/usr/bin/file conftest.$ac_objext` in
+	*32-bit*)
+	  LD="${LD-ld} -melf32bsmip"
+	  ;;
+	*N32*)
+	  LD="${LD-ld} -melf32bmipn32"
+	  ;;
+	*64-bit*)
+	  LD="${LD-ld} -melf64bmip"
+	;;
+      esac
+    else
+      case `/usr/bin/file conftest.$ac_objext` in
+	*32-bit*)
+	  LD="${LD-ld} -32"
+	  ;;
+	*N32*)
+	  LD="${LD-ld} -n32"
+	  ;;
+	*64-bit*)
+	  LD="${LD-ld} -64"
+	  ;;
+      esac
+    fi
+  fi
+  rm -rf conftest*
+  ;;
+
+x86_64-*kfreebsd*-gnu|x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*| \
+s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
+  # Find out which ABI we are using.
+  echo 'int i;' > conftest.$ac_ext
+  if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+    case `/usr/bin/file conftest.o` in
+      *32-bit*)
+	case $host in
+	  x86_64-*kfreebsd*-gnu)
+	    LD="${LD-ld} -m elf_i386_fbsd"
+	    ;;
+	  x86_64-*linux*)
+	    LD="${LD-ld} -m elf_i386"
+	    ;;
+	  ppc64-*linux*|powerpc64-*linux*)
+	    LD="${LD-ld} -m elf32ppclinux"
+	    ;;
+	  s390x-*linux*)
+	    LD="${LD-ld} -m elf_s390"
+	    ;;
+	  sparc64-*linux*)
+	    LD="${LD-ld} -m elf32_sparc"
+	    ;;
+	esac
+	;;
+      *64-bit*)
+	case $host in
+	  x86_64-*kfreebsd*-gnu)
+	    LD="${LD-ld} -m elf_x86_64_fbsd"
+	    ;;
+	  x86_64-*linux*)
+	    LD="${LD-ld} -m elf_x86_64"
+	    ;;
+	  ppc*-*linux*|powerpc*-*linux*)
+	    LD="${LD-ld} -m elf64ppc"
+	    ;;
+	  s390*-*linux*|s390*-*tpf*)
+	    LD="${LD-ld} -m elf64_s390"
+	    ;;
+	  sparc*-*linux*)
+	    LD="${LD-ld} -m elf64_sparc"
+	    ;;
+	esac
+	;;
+    esac
+  fi
+  rm -rf conftest*
+  ;;
+
+*-*-sco3.2v5*)
+  # On SCO OpenServer 5, we need -belf to get full-featured binaries.
+  SAVE_CFLAGS="$CFLAGS"
+  CFLAGS="$CFLAGS -belf"
+  { $as_echo "$as_me:$LINENO: checking whether the C compiler needs -belf" >&5
+$as_echo_n "checking whether the C compiler needs -belf... " >&6; }
+if test "${lt_cv_cc_needs_belf+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+     cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  lt_cv_cc_needs_belf=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	lt_cv_cc_needs_belf=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+     ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $lt_cv_cc_needs_belf" >&5
+$as_echo "$lt_cv_cc_needs_belf" >&6; }
+  if test x"$lt_cv_cc_needs_belf" != x"yes"; then
+    # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
+    CFLAGS="$SAVE_CFLAGS"
+  fi
+  ;;
+sparc*-*solaris*)
+  # Find out which ABI we are using.
+  echo 'int i;' > conftest.$ac_ext
+  if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+    case `/usr/bin/file conftest.o` in
+    *64-bit*)
+      case $lt_cv_prog_gnu_ld in
+      yes*) LD="${LD-ld} -m elf64_sparc" ;;
+      *)
+	if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then
+	  LD="${LD-ld} -64"
+	fi
+	;;
+      esac
+      ;;
+    esac
+  fi
+  rm -rf conftest*
+  ;;
+esac
+
+need_locks="$enable_libtool_lock"
+
+
+  case $host_os in
+    rhapsody* | darwin*)
+    if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args.
+set dummy ${ac_tool_prefix}dsymutil; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_DSYMUTIL+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$DSYMUTIL"; then
+  ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+DSYMUTIL=$ac_cv_prog_DSYMUTIL
+if test -n "$DSYMUTIL"; then
+  { $as_echo "$as_me:$LINENO: result: $DSYMUTIL" >&5
+$as_echo "$DSYMUTIL" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_DSYMUTIL"; then
+  ac_ct_DSYMUTIL=$DSYMUTIL
+  # Extract the first word of "dsymutil", so it can be a program name with args.
+set dummy dsymutil; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_DSYMUTIL+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_DSYMUTIL"; then
+  ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_DSYMUTIL="dsymutil"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL
+if test -n "$ac_ct_DSYMUTIL"; then
+  { $as_echo "$as_me:$LINENO: result: $ac_ct_DSYMUTIL" >&5
+$as_echo "$ac_ct_DSYMUTIL" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_DSYMUTIL" = x; then
+    DSYMUTIL=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&5
+$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&2;}
+ac_tool_warned=yes ;;
+esac
+    DSYMUTIL=$ac_ct_DSYMUTIL
+  fi
+else
+  DSYMUTIL="$ac_cv_prog_DSYMUTIL"
+fi
+
+    if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args.
+set dummy ${ac_tool_prefix}nmedit; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_NMEDIT+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$NMEDIT"; then
+  ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+NMEDIT=$ac_cv_prog_NMEDIT
+if test -n "$NMEDIT"; then
+  { $as_echo "$as_me:$LINENO: result: $NMEDIT" >&5
+$as_echo "$NMEDIT" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_NMEDIT"; then
+  ac_ct_NMEDIT=$NMEDIT
+  # Extract the first word of "nmedit", so it can be a program name with args.
+set dummy nmedit; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_NMEDIT+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_NMEDIT"; then
+  ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_NMEDIT="nmedit"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT
+if test -n "$ac_ct_NMEDIT"; then
+  { $as_echo "$as_me:$LINENO: result: $ac_ct_NMEDIT" >&5
+$as_echo "$ac_ct_NMEDIT" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_NMEDIT" = x; then
+    NMEDIT=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&5
+$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&2;}
+ac_tool_warned=yes ;;
+esac
+    NMEDIT=$ac_ct_NMEDIT
+  fi
+else
+  NMEDIT="$ac_cv_prog_NMEDIT"
+fi
+
+    if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}lipo", so it can be a program name with args.
+set dummy ${ac_tool_prefix}lipo; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_LIPO+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$LIPO"; then
+  ac_cv_prog_LIPO="$LIPO" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_LIPO="${ac_tool_prefix}lipo"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+LIPO=$ac_cv_prog_LIPO
+if test -n "$LIPO"; then
+  { $as_echo "$as_me:$LINENO: result: $LIPO" >&5
+$as_echo "$LIPO" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_LIPO"; then
+  ac_ct_LIPO=$LIPO
+  # Extract the first word of "lipo", so it can be a program name with args.
+set dummy lipo; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_LIPO+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_LIPO"; then
+  ac_cv_prog_ac_ct_LIPO="$ac_ct_LIPO" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_LIPO="lipo"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO
+if test -n "$ac_ct_LIPO"; then
+  { $as_echo "$as_me:$LINENO: result: $ac_ct_LIPO" >&5
+$as_echo "$ac_ct_LIPO" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_LIPO" = x; then
+    LIPO=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&5
+$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&2;}
+ac_tool_warned=yes ;;
+esac
+    LIPO=$ac_ct_LIPO
+  fi
+else
+  LIPO="$ac_cv_prog_LIPO"
+fi
+
+    if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}otool", so it can be a program name with args.
+set dummy ${ac_tool_prefix}otool; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_OTOOL+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$OTOOL"; then
+  ac_cv_prog_OTOOL="$OTOOL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_OTOOL="${ac_tool_prefix}otool"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+OTOOL=$ac_cv_prog_OTOOL
+if test -n "$OTOOL"; then
+  { $as_echo "$as_me:$LINENO: result: $OTOOL" >&5
+$as_echo "$OTOOL" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_OTOOL"; then
+  ac_ct_OTOOL=$OTOOL
+  # Extract the first word of "otool", so it can be a program name with args.
+set dummy otool; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_OTOOL+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_OTOOL"; then
+  ac_cv_prog_ac_ct_OTOOL="$ac_ct_OTOOL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_OTOOL="otool"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL
+if test -n "$ac_ct_OTOOL"; then
+  { $as_echo "$as_me:$LINENO: result: $ac_ct_OTOOL" >&5
+$as_echo "$ac_ct_OTOOL" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_OTOOL" = x; then
+    OTOOL=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&5
+$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&2;}
+ac_tool_warned=yes ;;
+esac
+    OTOOL=$ac_ct_OTOOL
+  fi
+else
+  OTOOL="$ac_cv_prog_OTOOL"
+fi
+
+    if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}otool64", so it can be a program name with args.
+set dummy ${ac_tool_prefix}otool64; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_OTOOL64+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$OTOOL64"; then
+  ac_cv_prog_OTOOL64="$OTOOL64" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_OTOOL64="${ac_tool_prefix}otool64"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+OTOOL64=$ac_cv_prog_OTOOL64
+if test -n "$OTOOL64"; then
+  { $as_echo "$as_me:$LINENO: result: $OTOOL64" >&5
+$as_echo "$OTOOL64" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_OTOOL64"; then
+  ac_ct_OTOOL64=$OTOOL64
+  # Extract the first word of "otool64", so it can be a program name with args.
+set dummy otool64; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_OTOOL64+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_OTOOL64"; then
+  ac_cv_prog_ac_ct_OTOOL64="$ac_ct_OTOOL64" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_OTOOL64="otool64"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_OTOOL64=$ac_cv_prog_ac_ct_OTOOL64
+if test -n "$ac_ct_OTOOL64"; then
+  { $as_echo "$as_me:$LINENO: result: $ac_ct_OTOOL64" >&5
+$as_echo "$ac_ct_OTOOL64" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_OTOOL64" = x; then
+    OTOOL64=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&5
+$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&2;}
+ac_tool_warned=yes ;;
+esac
+    OTOOL64=$ac_ct_OTOOL64
+  fi
+else
+  OTOOL64="$ac_cv_prog_OTOOL64"
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+    { $as_echo "$as_me:$LINENO: checking for -single_module linker flag" >&5
+$as_echo_n "checking for -single_module linker flag... " >&6; }
+if test "${lt_cv_apple_cc_single_mod+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_apple_cc_single_mod=no
+      if test -z "${LT_MULTI_MODULE}"; then
+	# By default we will add the -single_module flag. You can override
+	# by either setting the environment variable LT_MULTI_MODULE
+	# non-empty at configure time, or by adding -multi_module to the
+	# link flags.
+	rm -rf libconftest.dylib*
+	echo "int foo(void){return 1;}" > conftest.c
+	echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
+-dynamiclib -Wl,-single_module conftest.c" >&5
+	$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
+	  -dynamiclib -Wl,-single_module conftest.c 2>conftest.err
+        _lt_result=$?
+	if test -f libconftest.dylib && test ! -s conftest.err && test $_lt_result = 0; then
+	  lt_cv_apple_cc_single_mod=yes
+	else
+	  cat conftest.err >&5
+	fi
+	rm -rf libconftest.dylib*
+	rm -f conftest.*
+      fi
+fi
+{ $as_echo "$as_me:$LINENO: result: $lt_cv_apple_cc_single_mod" >&5
+$as_echo "$lt_cv_apple_cc_single_mod" >&6; }
+    { $as_echo "$as_me:$LINENO: checking for -exported_symbols_list linker flag" >&5
+$as_echo_n "checking for -exported_symbols_list linker flag... " >&6; }
+if test "${lt_cv_ld_exported_symbols_list+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_ld_exported_symbols_list=no
+      save_LDFLAGS=$LDFLAGS
+      echo "_main" > conftest.sym
+      LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym"
+      cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  lt_cv_ld_exported_symbols_list=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	lt_cv_ld_exported_symbols_list=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+	LDFLAGS="$save_LDFLAGS"
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $lt_cv_ld_exported_symbols_list" >&5
+$as_echo "$lt_cv_ld_exported_symbols_list" >&6; }
+    case $host_os in
+    rhapsody* | darwin1.[012])
+      _lt_dar_allow_undefined='${wl}-undefined ${wl}suppress' ;;
+    darwin1.*)
+      _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
+    darwin*) # darwin 5.x on
+      # if running on 10.5 or later, the deployment target defaults
+      # to the OS version, if on x86, and 10.4, the deployment
+      # target defaults to 10.4. Don't you love it?
+      case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
+	10.0,*86*-darwin8*|10.0,*-darwin[91]*)
+	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
+	10.[012]*)
+	  _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
+	10.*)
+	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
+      esac
+    ;;
+  esac
+    if test "$lt_cv_apple_cc_single_mod" = "yes"; then
+      _lt_dar_single_mod='$single_module'
+    fi
+    if test "$lt_cv_ld_exported_symbols_list" = "yes"; then
+      _lt_dar_export_syms=' ${wl}-exported_symbols_list,$output_objdir/${libname}-symbols.expsym'
+    else
+      _lt_dar_export_syms='~$NMEDIT -s $output_objdir/${libname}-symbols.expsym ${lib}'
+    fi
+    if test "$DSYMUTIL" != ":"; then
+      _lt_dsymutil='~$DSYMUTIL $lib || :'
+    else
+      _lt_dsymutil=
+    fi
+    ;;
+  esac
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+{ $as_echo "$as_me:$LINENO: checking how to run the C preprocessor" >&5
+$as_echo_n "checking how to run the C preprocessor... " >&6; }
+# On Suns, sometimes $CPP names a directory.
+if test -n "$CPP" && test -d "$CPP"; then
+  CPP=
+fi
+if test -z "$CPP"; then
+  if test "${ac_cv_prog_CPP+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+      # Double quotes because CPP needs to be expanded
+    for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
+    do
+      ac_preproc_ok=false
+for ac_c_preproc_warn_flag in '' yes
+do
+  # Use a header file that comes with gcc, so configuring glibc
+  # with a fresh cross-compiler works.
+  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+  # <limits.h> exists even on freestanding compilers.
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp. "Syntax error" is here to catch this case.
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+		     Syntax error
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  :
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  # Broken: fails on valid input.
+continue
+fi
+
+rm -f conftest.err conftest.$ac_ext
+
+  # OK, works on sane cases.  Now check whether nonexistent headers
+  # can be detected and how.
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <ac_nonexistent.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  # Broken: success on invalid input.
+continue
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+
+rm -f conftest.err conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then
+  break
+fi
+
+    done
+    ac_cv_prog_CPP=$CPP
+
+fi
+  CPP=$ac_cv_prog_CPP
+else
+  ac_cv_prog_CPP=$CPP
+fi
+{ $as_echo "$as_me:$LINENO: result: $CPP" >&5
+$as_echo "$CPP" >&6; }
+ac_preproc_ok=false
+for ac_c_preproc_warn_flag in '' yes
+do
+  # Use a header file that comes with gcc, so configuring glibc
+  # with a fresh cross-compiler works.
+  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+  # <limits.h> exists even on freestanding compilers.
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp. "Syntax error" is here to catch this case.
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+		     Syntax error
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  :
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  # Broken: fails on valid input.
+continue
+fi
+
+rm -f conftest.err conftest.$ac_ext
+
+  # OK, works on sane cases.  Now check whether nonexistent headers
+  # can be detected and how.
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <ac_nonexistent.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  # Broken: success on invalid input.
+continue
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+
+rm -f conftest.err conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then
+  :
+else
+  { { $as_echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+{ $as_echo "$as_me:$LINENO: checking for ANSI C header files" >&5
+$as_echo_n "checking for ANSI C header files... " >&6; }
+if test "${ac_cv_header_stdc+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <float.h>
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_header_stdc=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_header_stdc=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+if test $ac_cv_header_stdc = yes; then
+  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <string.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "memchr" >/dev/null 2>&1; then
+  :
+else
+  ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <stdlib.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "free" >/dev/null 2>&1; then
+  :
+else
+  ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
+  if test "$cross_compiling" = yes; then
+  :
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <ctype.h>
+#include <stdlib.h>
+#if ((' ' & 0x0FF) == 0x020)
+# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
+# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
+#else
+# define ISLOWER(c) \
+		   (('a' <= (c) && (c) <= 'i') \
+		     || ('j' <= (c) && (c) <= 'r') \
+		     || ('s' <= (c) && (c) <= 'z'))
+# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
+#endif
+
+#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
+int
+main ()
+{
+  int i;
+  for (i = 0; i < 256; i++)
+    if (XOR (islower (i), ISLOWER (i))
+	|| toupper (i) != TOUPPER (i))
+      return 2;
+  return 0;
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  :
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+$as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_cv_header_stdc=no
+fi
+rm -rf conftest.dSYM
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+fi
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5
+$as_echo "$ac_cv_header_stdc" >&6; }
+if test $ac_cv_header_stdc = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define STDC_HEADERS 1
+_ACEOF
+
+fi
+
+# On IRIX 5.3, sys/types and inttypes.h are conflicting.
+
+
+
+
+
+
+
+
+
+for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
+		  inttypes.h stdint.h unistd.h
+do
+as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+{ $as_echo "$as_me:$LINENO: checking for $ac_header" >&5
+$as_echo_n "checking for $ac_header... " >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  eval "$as_ac_Header=yes"
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval "$as_ac_Header=no"
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+ac_res=`eval 'as_val=${'$as_ac_Header'}
+		 $as_echo "$as_val"'`
+	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if test `eval 'as_val=${'$as_ac_Header'}
+		 $as_echo "$as_val"'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+
+for ac_header in dlfcn.h
+do
+as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+{ $as_echo "$as_me:$LINENO: checking for $ac_header" >&5
+$as_echo_n "checking for $ac_header... " >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  eval "$as_ac_Header=yes"
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval "$as_ac_Header=no"
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+ac_res=`eval 'as_val=${'$as_ac_Header'}
+		 $as_echo "$as_val"'`
+	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if test `eval 'as_val=${'$as_ac_Header'}
+		 $as_echo "$as_val"'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+
+ac_ext=f
+ac_compile='$F77 -c $FFLAGS conftest.$ac_ext >&5'
+ac_link='$F77 -o conftest$ac_exeext $FFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_f77_compiler_gnu
+if test -n "$ac_tool_prefix"; then
+  for ac_prog in g77 xlf f77 frt pgf77 cf77 fort77 fl32 af77 xlf90 f90 pgf90 pghpf epcf90 gfortran g95 xlf95 f95 fort ifort ifc efc pgf95 lf95 ftn
+  do
+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_F77+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$F77"; then
+  ac_cv_prog_F77="$F77" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_F77="$ac_tool_prefix$ac_prog"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+F77=$ac_cv_prog_F77
+if test -n "$F77"; then
+  { $as_echo "$as_me:$LINENO: result: $F77" >&5
+$as_echo "$F77" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+    test -n "$F77" && break
+  done
+fi
+if test -z "$F77"; then
+  ac_ct_F77=$F77
+  for ac_prog in g77 xlf f77 frt pgf77 cf77 fort77 fl32 af77 xlf90 f90 pgf90 pghpf epcf90 gfortran g95 xlf95 f95 fort ifort ifc efc pgf95 lf95 ftn
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_F77+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_F77"; then
+  ac_cv_prog_ac_ct_F77="$ac_ct_F77" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_F77="$ac_prog"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_F77=$ac_cv_prog_ac_ct_F77
+if test -n "$ac_ct_F77"; then
+  { $as_echo "$as_me:$LINENO: result: $ac_ct_F77" >&5
+$as_echo "$ac_ct_F77" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$ac_ct_F77" && break
+done
+
+  if test "x$ac_ct_F77" = x; then
+    F77=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&5
+$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&2;}
+ac_tool_warned=yes ;;
+esac
+    F77=$ac_ct_F77
+  fi
+fi
+
+
+# Provide some information about the compiler.
+$as_echo "$as_me:$LINENO: checking for Fortran 77 compiler version" >&5
+set X $ac_compile
+ac_compiler=$2
+{ (ac_try="$ac_compiler --version >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compiler --version >&5") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+{ (ac_try="$ac_compiler -v >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compiler -v >&5") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+{ (ac_try="$ac_compiler -V >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compiler -V >&5") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+rm -f a.out
+
+# If we don't use `.F' as extension, the preprocessor is not run on the
+# input file.  (Note that this only needs to work for GNU compilers.)
+ac_save_ext=$ac_ext
+ac_ext=F
+{ $as_echo "$as_me:$LINENO: checking whether we are using the GNU Fortran 77 compiler" >&5
+$as_echo_n "checking whether we are using the GNU Fortran 77 compiler... " >&6; }
+if test "${ac_cv_f77_compiler_gnu+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+      program main
+#ifndef __GNUC__
+       choke me
+#endif
+
+      end
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_f77_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_compiler_gnu=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_compiler_gnu=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ac_cv_f77_compiler_gnu=$ac_compiler_gnu
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_f77_compiler_gnu" >&5
+$as_echo "$ac_cv_f77_compiler_gnu" >&6; }
+ac_ext=$ac_save_ext
+ac_test_FFLAGS=${FFLAGS+set}
+ac_save_FFLAGS=$FFLAGS
+FFLAGS=
+{ $as_echo "$as_me:$LINENO: checking whether $F77 accepts -g" >&5
+$as_echo_n "checking whether $F77 accepts -g... " >&6; }
+if test "${ac_cv_prog_f77_g+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  FFLAGS=-g
+cat >conftest.$ac_ext <<_ACEOF
+      program main
+
+      end
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_f77_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_prog_f77_g=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_prog_f77_g=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_prog_f77_g" >&5
+$as_echo "$ac_cv_prog_f77_g" >&6; }
+if test "$ac_test_FFLAGS" = set; then
+  FFLAGS=$ac_save_FFLAGS
+elif test $ac_cv_prog_f77_g = yes; then
+  if test "x$ac_cv_f77_compiler_gnu" = xyes; then
+    FFLAGS="-g -O2"
+  else
+    FFLAGS="-g"
+  fi
+else
+  if test "x$ac_cv_f77_compiler_gnu" = xyes; then
+    FFLAGS="-O2"
+  else
+    FFLAGS=
+  fi
+fi
+
+if test $ac_compiler_gnu = yes; then
+  G77=yes
+else
+  G77=
+fi
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+if test -z "$F77" || test "X$F77" = "Xno"; then
+  _lt_disable_F77=yes
+fi
+
+
+
+
+
+ac_ext=${ac_fc_srcext-f}
+ac_compile='$FC -c $FCFLAGS $ac_fcflags_srcext conftest.$ac_ext >&5'
+ac_link='$FC -o conftest$ac_exeext $FCFLAGS $LDFLAGS $ac_fcflags_srcext conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_fc_compiler_gnu
+if test -n "$ac_tool_prefix"; then
+  for ac_prog in gfortran g95 xlf95 f95 fort ifort ifc efc pgf95 lf95 ftn xlf90 f90 pgf90 pghpf epcf90 g77 xlf f77 frt pgf77 cf77 fort77 fl32 af77
+  do
+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_FC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$FC"; then
+  ac_cv_prog_FC="$FC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_FC="$ac_tool_prefix$ac_prog"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+FC=$ac_cv_prog_FC
+if test -n "$FC"; then
+  { $as_echo "$as_me:$LINENO: result: $FC" >&5
+$as_echo "$FC" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+    test -n "$FC" && break
+  done
+fi
+if test -z "$FC"; then
+  ac_ct_FC=$FC
+  for ac_prog in gfortran g95 xlf95 f95 fort ifort ifc efc pgf95 lf95 ftn xlf90 f90 pgf90 pghpf epcf90 g77 xlf f77 frt pgf77 cf77 fort77 fl32 af77
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_FC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_FC"; then
+  ac_cv_prog_ac_ct_FC="$ac_ct_FC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_FC="$ac_prog"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_FC=$ac_cv_prog_ac_ct_FC
+if test -n "$ac_ct_FC"; then
+  { $as_echo "$as_me:$LINENO: result: $ac_ct_FC" >&5
+$as_echo "$ac_ct_FC" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$ac_ct_FC" && break
+done
+
+  if test "x$ac_ct_FC" = x; then
+    FC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&5
+$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf at gnu.org." >&2;}
+ac_tool_warned=yes ;;
+esac
+    FC=$ac_ct_FC
+  fi
+fi
+
+
+# Provide some information about the compiler.
+$as_echo "$as_me:$LINENO: checking for Fortran compiler version" >&5
+set X $ac_compile
+ac_compiler=$2
+{ (ac_try="$ac_compiler --version >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compiler --version >&5") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+{ (ac_try="$ac_compiler -v >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compiler -v >&5") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+{ (ac_try="$ac_compiler -V >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compiler -V >&5") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+rm -f a.out
+
+# If we don't use `.F' as extension, the preprocessor is not run on the
+# input file.  (Note that this only needs to work for GNU compilers.)
+ac_save_ext=$ac_ext
+ac_ext=F
+{ $as_echo "$as_me:$LINENO: checking whether we are using the GNU Fortran compiler" >&5
+$as_echo_n "checking whether we are using the GNU Fortran compiler... " >&6; }
+if test "${ac_cv_fc_compiler_gnu+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+      program main
+#ifndef __GNUC__
+       choke me
+#endif
+
+      end
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_fc_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_compiler_gnu=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_compiler_gnu=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ac_cv_fc_compiler_gnu=$ac_compiler_gnu
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_fc_compiler_gnu" >&5
+$as_echo "$ac_cv_fc_compiler_gnu" >&6; }
+ac_ext=$ac_save_ext
+ac_test_FFLAGS=${FCFLAGS+set}
+ac_save_FFLAGS=$FCFLAGS
+FCFLAGS=
+{ $as_echo "$as_me:$LINENO: checking whether $FC accepts -g" >&5
+$as_echo_n "checking whether $FC accepts -g... " >&6; }
+if test "${ac_cv_prog_fc_g+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  FCFLAGS=-g
+cat >conftest.$ac_ext <<_ACEOF
+      program main
+
+      end
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_fc_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_prog_fc_g=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_prog_fc_g=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_prog_fc_g" >&5
+$as_echo "$ac_cv_prog_fc_g" >&6; }
+if test "$ac_test_FFLAGS" = set; then
+  FCFLAGS=$ac_save_FFLAGS
+elif test $ac_cv_prog_fc_g = yes; then
+  if test "x$ac_cv_fc_compiler_gnu" = xyes; then
+    FCFLAGS="-g -O2"
+  else
+    FCFLAGS="-g"
+  fi
+else
+  if test "x$ac_cv_fc_compiler_gnu" = xyes; then
+    FCFLAGS="-O2"
+  else
+    FCFLAGS=
+  fi
+fi
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+if test -z "$FC" || test "X$FC" = "Xno"; then
+  _lt_disable_FC=yes
+fi
+
+
+
+
+
+# Set options
+
+
+
+        enable_dlopen=no
+
+
+
+
+  # Check whether --enable-static was given.
+if test "${enable_static+set}" = set; then
+  enableval=$enable_static; p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_static=yes ;;
+    no) enable_static=no ;;
+    *)
+     enable_static=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+      for pkg in $enableval; do
+	IFS="$lt_save_ifs"
+	if test "X$pkg" = "X$p"; then
+	  enable_static=yes
+	fi
+      done
+      IFS="$lt_save_ifs"
+      ;;
+    esac
+else
+  enable_static=yes
+fi
+
+
+
+
+
+
+
+
+
+
+# Check whether --with-pic was given.
+if test "${with_pic+set}" = set; then
+  withval=$with_pic; pic_mode="$withval"
+else
+  pic_mode=default
+fi
+
+
+test -z "$pic_mode" && pic_mode=default
+
+
+
+
+
+
+
+  # Check whether --enable-fast-install was given.
+if test "${enable_fast_install+set}" = set; then
+  enableval=$enable_fast_install; p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_fast_install=yes ;;
+    no) enable_fast_install=no ;;
+    *)
+      enable_fast_install=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+      for pkg in $enableval; do
+	IFS="$lt_save_ifs"
+	if test "X$pkg" = "X$p"; then
+	  enable_fast_install=yes
+	fi
+      done
+      IFS="$lt_save_ifs"
+      ;;
+    esac
+else
+  enable_fast_install=yes
+fi
+
+
+
+
+
+
+
+
+
+
+
+# This can be used to rebuild libtool when needed
+LIBTOOL_DEPS="$ltmain"
+
+# Always use our own libtool.
+LIBTOOL='$(SHELL) $(top_builddir)/libtool'
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+test -z "$LN_S" && LN_S="ln -s"
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+if test -n "${ZSH_VERSION+set}" ; then
+   setopt NO_GLOB_SUBST
+fi
+
+{ $as_echo "$as_me:$LINENO: checking for objdir" >&5
+$as_echo_n "checking for objdir... " >&6; }
+if test "${lt_cv_objdir+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  rm -f .libs 2>/dev/null
+mkdir .libs 2>/dev/null
+if test -d .libs; then
+  lt_cv_objdir=.libs
+else
+  # MS-DOS does not allow filenames that begin with a dot.
+  lt_cv_objdir=_libs
+fi
+rmdir .libs 2>/dev/null
+fi
+{ $as_echo "$as_me:$LINENO: result: $lt_cv_objdir" >&5
+$as_echo "$lt_cv_objdir" >&6; }
+objdir=$lt_cv_objdir
+
+
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define LT_OBJDIR "$lt_cv_objdir/"
+_ACEOF
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+case $host_os in
+aix3*)
+  # AIX sometimes has problems with the GCC collect2 program.  For some
+  # reason, if we set the COLLECT_NAMES environment variable, the problems
+  # vanish in a puff of smoke.
+  if test "X${COLLECT_NAMES+set}" != Xset; then
+    COLLECT_NAMES=
+    export COLLECT_NAMES
+  fi
+  ;;
+esac
+
+# Sed substitution that helps us do robust quoting.  It backslashifies
+# metacharacters that are still active within double-quoted strings.
+sed_quote_subst='s/\(["`$\\]\)/\\\1/g'
+
+# Same as above, but do not quote variable references.
+double_quote_subst='s/\(["`\\]\)/\\\1/g'
+
+# Sed substitution to delay expansion of an escaped shell variable in a
+# double_quote_subst'ed string.
+delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
+
+# Sed substitution to delay expansion of an escaped single quote.
+delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g'
+
+# Sed substitution to avoid accidental globbing in evaled expressions
+no_glob_subst='s/\*/\\\*/g'
+
+# Global variables:
+ofile=libtool
+can_build_shared=yes
+
+# All known linkers require a `.a' archive for static linking (except MSVC,
+# which needs '.lib').
+libext=a
+
+with_gnu_ld="$lt_cv_prog_gnu_ld"
+
+old_CC="$CC"
+old_CFLAGS="$CFLAGS"
+
+# Set sane defaults for various variables
+test -z "$CC" && CC=cc
+test -z "$LTCC" && LTCC=$CC
+test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS
+test -z "$LD" && LD=ld
+test -z "$ac_objext" && ac_objext=o
+
+for cc_temp in $compiler""; do
+  case $cc_temp in
+    compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
+    distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
+    \-*) ;;
+    *) break;;
+  esac
+done
+cc_basename=`$ECHO "X$cc_temp" | $Xsed -e 's%.*/%%' -e "s%^$host_alias-%%"`
+
+
+# Only perform the check for file, if the check method requires it
+test -z "$MAGIC_CMD" && MAGIC_CMD=file
+case $deplibs_check_method in
+file_magic*)
+  if test "$file_magic_cmd" = '$MAGIC_CMD'; then
+    { $as_echo "$as_me:$LINENO: checking for ${ac_tool_prefix}file" >&5
+$as_echo_n "checking for ${ac_tool_prefix}file... " >&6; }
+if test "${lt_cv_path_MAGIC_CMD+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  case $MAGIC_CMD in
+[\\/*] |  ?:[\\/]*)
+  lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path.
+  ;;
+*)
+  lt_save_MAGIC_CMD="$MAGIC_CMD"
+  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+  ac_dummy="/usr/bin$PATH_SEPARATOR$PATH"
+  for ac_dir in $ac_dummy; do
+    IFS="$lt_save_ifs"
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/${ac_tool_prefix}file; then
+      lt_cv_path_MAGIC_CMD="$ac_dir/${ac_tool_prefix}file"
+      if test -n "$file_magic_test_file"; then
+	case $deplibs_check_method in
+	"file_magic "*)
+	  file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"`
+	  MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+	  if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
+	    $EGREP "$file_magic_regex" > /dev/null; then
+	    :
+	  else
+	    cat <<_LT_EOF 1>&2
+
+*** Warning: the command libtool uses to detect shared libraries,
+*** $file_magic_cmd, produces output that libtool cannot recognize.
+*** The result is that libtool may fail to recognize shared libraries
+*** as such.  This will affect the creation of libtool libraries that
+*** depend on shared libraries, but programs linked with such libtool
+*** libraries will work regardless of this problem.  Nevertheless, you
+*** may want to report the problem to your system manager and/or to
+*** bug-libtool at gnu.org
+
+_LT_EOF
+	  fi ;;
+	esac
+      fi
+      break
+    fi
+  done
+  IFS="$lt_save_ifs"
+  MAGIC_CMD="$lt_save_MAGIC_CMD"
+  ;;
+esac
+fi
+
+MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+if test -n "$MAGIC_CMD"; then
+  { $as_echo "$as_me:$LINENO: result: $MAGIC_CMD" >&5
+$as_echo "$MAGIC_CMD" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+
+
+
+if test -z "$lt_cv_path_MAGIC_CMD"; then
+  if test -n "$ac_tool_prefix"; then
+    { $as_echo "$as_me:$LINENO: checking for file" >&5
+$as_echo_n "checking for file... " >&6; }
+if test "${lt_cv_path_MAGIC_CMD+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  case $MAGIC_CMD in
+[\\/*] |  ?:[\\/]*)
+  lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path.
+  ;;
+*)
+  lt_save_MAGIC_CMD="$MAGIC_CMD"
+  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+  ac_dummy="/usr/bin$PATH_SEPARATOR$PATH"
+  for ac_dir in $ac_dummy; do
+    IFS="$lt_save_ifs"
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/file; then
+      lt_cv_path_MAGIC_CMD="$ac_dir/file"
+      if test -n "$file_magic_test_file"; then
+	case $deplibs_check_method in
+	"file_magic "*)
+	  file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"`
+	  MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+	  if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
+	    $EGREP "$file_magic_regex" > /dev/null; then
+	    :
+	  else
+	    cat <<_LT_EOF 1>&2
+
+*** Warning: the command libtool uses to detect shared libraries,
+*** $file_magic_cmd, produces output that libtool cannot recognize.
+*** The result is that libtool may fail to recognize shared libraries
+*** as such.  This will affect the creation of libtool libraries that
+*** depend on shared libraries, but programs linked with such libtool
+*** libraries will work regardless of this problem.  Nevertheless, you
+*** may want to report the problem to your system manager and/or to
+*** bug-libtool at gnu.org
+
+_LT_EOF
+	  fi ;;
+	esac
+      fi
+      break
+    fi
+  done
+  IFS="$lt_save_ifs"
+  MAGIC_CMD="$lt_save_MAGIC_CMD"
+  ;;
+esac
+fi
+
+MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+if test -n "$MAGIC_CMD"; then
+  { $as_echo "$as_me:$LINENO: result: $MAGIC_CMD" >&5
+$as_echo "$MAGIC_CMD" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  else
+    MAGIC_CMD=:
+  fi
+fi
+
+  fi
+  ;;
+esac
+
+# Use C for the default configuration in the libtool script
+
+lt_save_CC="$CC"
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+# Source file extension for C test sources.
+ac_ext=c
+
+# Object file extension for compiled C test sources.
+objext=o
+objext=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="int some_variable = 0;"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='int main(){return(0);}'
+
+
+
+
+
+
+
+# If no C compiler was specified, use CC.
+LTCC=${LTCC-"$CC"}
+
+# If no C compiler flags were specified, use CFLAGS.
+LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
+
+# Allow CC to be a program name with arguments.
+compiler=$CC
+
+# Save the default compiler, since it gets overwritten when the other
+# tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP.
+compiler_DEFAULT=$CC
+
+# save warnings/boilerplate of simple test code
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_compile_test_code" >conftest.$ac_ext
+eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_compiler_boilerplate=`cat conftest.err`
+$RM conftest*
+
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_link_test_code" >conftest.$ac_ext
+eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_linker_boilerplate=`cat conftest.err`
+$RM -r conftest*
+
+
+## CAVEAT EMPTOR:
+## There is no encapsulation within the following macros, do not change
+## the running order or otherwise move them around unless you know exactly
+## what you are doing...
+if test -n "$compiler"; then
+
+lt_prog_compiler_no_builtin_flag=
+
+if test "$GCC" = yes; then
+  lt_prog_compiler_no_builtin_flag=' -fno-builtin'
+
+  { $as_echo "$as_me:$LINENO: checking if $compiler supports -fno-rtti -fno-exceptions" >&5
+$as_echo_n "checking if $compiler supports -fno-rtti -fno-exceptions... " >&6; }
+if test "${lt_cv_prog_compiler_rtti_exceptions+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_prog_compiler_rtti_exceptions=no
+   ac_outfile=conftest.$ac_objext
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+   lt_compiler_flag="-fno-rtti -fno-exceptions"
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   # The option is referenced via a variable to avoid confusing sed.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:9075: $lt_compile\"" >&5)
+   (eval "$lt_compile" 2>conftest.err)
+   ac_status=$?
+   cat conftest.err >&5
+   echo "$as_me:9079: \$? = $ac_status" >&5
+   if (exit $ac_status) && test -s "$ac_outfile"; then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings other than the usual output.
+     $ECHO "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' >conftest.exp
+     $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+     if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
+       lt_cv_prog_compiler_rtti_exceptions=yes
+     fi
+   fi
+   $RM conftest*
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_rtti_exceptions" >&5
+$as_echo "$lt_cv_prog_compiler_rtti_exceptions" >&6; }
+
+if test x"$lt_cv_prog_compiler_rtti_exceptions" = xyes; then
+    lt_prog_compiler_no_builtin_flag="$lt_prog_compiler_no_builtin_flag -fno-rtti -fno-exceptions"
+else
+    :
+fi
+
+fi
+
+
+
+
+
+
+  lt_prog_compiler_wl=
+lt_prog_compiler_pic=
+lt_prog_compiler_static=
+
+{ $as_echo "$as_me:$LINENO: checking for $compiler option to produce PIC" >&5
+$as_echo_n "checking for $compiler option to produce PIC... " >&6; }
+
+  if test "$GCC" = yes; then
+    lt_prog_compiler_wl='-Wl,'
+    lt_prog_compiler_static='-static'
+
+    case $host_os in
+      aix*)
+      # All AIX code is PIC.
+      if test "$host_cpu" = ia64; then
+	# AIX 5 now supports IA64 processor
+	lt_prog_compiler_static='-Bstatic'
+      fi
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            lt_prog_compiler_pic='-fPIC'
+        ;;
+      m68k)
+            # FIXME: we need at least 68020 code to build shared libraries, but
+            # adding the `-m68020' flag to GCC prevents building anything better,
+            # like `-m68040'.
+            lt_prog_compiler_pic='-m68020 -resident32 -malways-restore-a4'
+        ;;
+      esac
+      ;;
+
+    beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
+      # PIC is the default for these OSes.
+      ;;
+
+    mingw* | cygwin* | pw32* | os2*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      # Although the cygwin gcc ignores -fPIC, still need this for old-style
+      # (--disable-auto-import) libraries
+      lt_prog_compiler_pic='-DDLL_EXPORT'
+      ;;
+
+    darwin* | rhapsody*)
+      # PIC is the default on this platform
+      # Common symbols not allowed in MH_DYLIB files
+      lt_prog_compiler_pic='-fno-common'
+      ;;
+
+    hpux*)
+      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+      # not for PA HP-UX.
+      case $host_cpu in
+      hppa*64*|ia64*)
+	# +Z the default
+	;;
+      *)
+	lt_prog_compiler_pic='-fPIC'
+	;;
+      esac
+      ;;
+
+    interix[3-9]*)
+      # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+      # Instead, we relocate shared libraries at runtime.
+      ;;
+
+    msdosdjgpp*)
+      # Just because we use GCC doesn't mean we suddenly get shared libraries
+      # on systems that don't support them.
+      lt_prog_compiler_can_build_shared=no
+      enable_shared=no
+      ;;
+
+    *nto* | *qnx*)
+      # QNX uses GNU C++, but need to define -shared option too, otherwise
+      # it will coredump.
+      lt_prog_compiler_pic='-fPIC -shared'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	lt_prog_compiler_pic=-Kconform_pic
+      fi
+      ;;
+
+    *)
+      lt_prog_compiler_pic='-fPIC'
+      ;;
+    esac
+  else
+    # PORTME Check for flag to pass linker flags through the system compiler.
+    case $host_os in
+    aix*)
+      lt_prog_compiler_wl='-Wl,'
+      if test "$host_cpu" = ia64; then
+	# AIX 5 now supports IA64 processor
+	lt_prog_compiler_static='-Bstatic'
+      else
+	lt_prog_compiler_static='-bnso -bI:/lib/syscalls.exp'
+      fi
+      ;;
+
+    mingw* | cygwin* | pw32* | os2*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      lt_prog_compiler_pic='-DDLL_EXPORT'
+      ;;
+
+    hpux9* | hpux10* | hpux11*)
+      lt_prog_compiler_wl='-Wl,'
+      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+      # not for PA HP-UX.
+      case $host_cpu in
+      hppa*64*|ia64*)
+	# +Z the default
+	;;
+      *)
+	lt_prog_compiler_pic='+Z'
+	;;
+      esac
+      # Is there a better lt_prog_compiler_static that works with the bundled CC?
+      lt_prog_compiler_static='${wl}-a ${wl}archive'
+      ;;
+
+    irix5* | irix6* | nonstopux*)
+      lt_prog_compiler_wl='-Wl,'
+      # PIC (with -KPIC) is the default.
+      lt_prog_compiler_static='-non_shared'
+      ;;
+
+    linux* | k*bsd*-gnu)
+      case $cc_basename in
+      icc* | ecc* | ifort*)
+	lt_prog_compiler_wl='-Wl,'
+	lt_prog_compiler_pic='-KPIC'
+	lt_prog_compiler_static='-static'
+        ;;
+      pgcc* | pgf77* | pgf90* | pgf95*)
+        # Portland Group compilers (*not* the Pentium gcc compiler,
+	# which looks to be a dead project)
+	lt_prog_compiler_wl='-Wl,'
+	lt_prog_compiler_pic='-fpic'
+	lt_prog_compiler_static='-Bstatic'
+        ;;
+      ccc*)
+        lt_prog_compiler_wl='-Wl,'
+        # All Alpha code is PIC.
+        lt_prog_compiler_static='-non_shared'
+        ;;
+      xl*)
+	# IBM XL C 8.0/Fortran 10.1 on PPC
+	lt_prog_compiler_wl='-Wl,'
+	lt_prog_compiler_pic='-qpic'
+	lt_prog_compiler_static='-qstaticlink'
+	;;
+      *)
+	case `$CC -V 2>&1 | sed 5q` in
+	*Sun\ C*)
+	  # Sun C 5.9
+	  lt_prog_compiler_pic='-KPIC'
+	  lt_prog_compiler_static='-Bstatic'
+	  lt_prog_compiler_wl='-Wl,'
+	  ;;
+	*Sun\ F*)
+	  # Sun Fortran 8.3 passes all unrecognized flags to the linker
+	  lt_prog_compiler_pic='-KPIC'
+	  lt_prog_compiler_static='-Bstatic'
+	  lt_prog_compiler_wl=''
+	  ;;
+	esac
+	;;
+      esac
+      ;;
+
+    newsos6)
+      lt_prog_compiler_pic='-KPIC'
+      lt_prog_compiler_static='-Bstatic'
+      ;;
+
+    *nto* | *qnx*)
+      # QNX uses GNU C++, but need to define -shared option too, otherwise
+      # it will coredump.
+      lt_prog_compiler_pic='-fPIC -shared'
+      ;;
+
+    osf3* | osf4* | osf5*)
+      lt_prog_compiler_wl='-Wl,'
+      # All OSF/1 code is PIC.
+      lt_prog_compiler_static='-non_shared'
+      ;;
+
+    rdos*)
+      lt_prog_compiler_static='-non_shared'
+      ;;
+
+    solaris*)
+      lt_prog_compiler_pic='-KPIC'
+      lt_prog_compiler_static='-Bstatic'
+      case $cc_basename in
+      f77* | f90* | f95*)
+	lt_prog_compiler_wl='-Qoption ld ';;
+      *)
+	lt_prog_compiler_wl='-Wl,';;
+      esac
+      ;;
+
+    sunos4*)
+      lt_prog_compiler_wl='-Qoption ld '
+      lt_prog_compiler_pic='-PIC'
+      lt_prog_compiler_static='-Bstatic'
+      ;;
+
+    sysv4 | sysv4.2uw2* | sysv4.3*)
+      lt_prog_compiler_wl='-Wl,'
+      lt_prog_compiler_pic='-KPIC'
+      lt_prog_compiler_static='-Bstatic'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec ;then
+	lt_prog_compiler_pic='-Kconform_pic'
+	lt_prog_compiler_static='-Bstatic'
+      fi
+      ;;
+
+    sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
+      lt_prog_compiler_wl='-Wl,'
+      lt_prog_compiler_pic='-KPIC'
+      lt_prog_compiler_static='-Bstatic'
+      ;;
+
+    unicos*)
+      lt_prog_compiler_wl='-Wl,'
+      lt_prog_compiler_can_build_shared=no
+      ;;
+
+    uts4*)
+      lt_prog_compiler_pic='-pic'
+      lt_prog_compiler_static='-Bstatic'
+      ;;
+
+    *)
+      lt_prog_compiler_can_build_shared=no
+      ;;
+    esac
+  fi
+
+case $host_os in
+  # For platforms which do not support PIC, -DPIC is meaningless:
+  *djgpp*)
+    lt_prog_compiler_pic=
+    ;;
+  *)
+    lt_prog_compiler_pic="$lt_prog_compiler_pic -DPIC"
+    ;;
+esac
+{ $as_echo "$as_me:$LINENO: result: $lt_prog_compiler_pic" >&5
+$as_echo "$lt_prog_compiler_pic" >&6; }
+
+
+
+
+
+
+#
+# Check to make sure the PIC flag actually works.
+#
+if test -n "$lt_prog_compiler_pic"; then
+  { $as_echo "$as_me:$LINENO: checking if $compiler PIC flag $lt_prog_compiler_pic works" >&5
+$as_echo_n "checking if $compiler PIC flag $lt_prog_compiler_pic works... " >&6; }
+if test "${lt_cv_prog_compiler_pic_works+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_prog_compiler_pic_works=no
+   ac_outfile=conftest.$ac_objext
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+   lt_compiler_flag="$lt_prog_compiler_pic -DPIC"
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   # The option is referenced via a variable to avoid confusing sed.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:9399: $lt_compile\"" >&5)
+   (eval "$lt_compile" 2>conftest.err)
+   ac_status=$?
+   cat conftest.err >&5
+   echo "$as_me:9403: \$? = $ac_status" >&5
+   if (exit $ac_status) && test -s "$ac_outfile"; then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings other than the usual output.
+     $ECHO "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' >conftest.exp
+     $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+     if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
+       lt_cv_prog_compiler_pic_works=yes
+     fi
+   fi
+   $RM conftest*
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_pic_works" >&5
+$as_echo "$lt_cv_prog_compiler_pic_works" >&6; }
+
+if test x"$lt_cv_prog_compiler_pic_works" = xyes; then
+    case $lt_prog_compiler_pic in
+     "" | " "*) ;;
+     *) lt_prog_compiler_pic=" $lt_prog_compiler_pic" ;;
+     esac
+else
+    lt_prog_compiler_pic=
+     lt_prog_compiler_can_build_shared=no
+fi
+
+fi
+
+
+
+
+
+
+#
+# Check to make sure the static flag actually works.
+#
+wl=$lt_prog_compiler_wl eval lt_tmp_static_flag=\"$lt_prog_compiler_static\"
+{ $as_echo "$as_me:$LINENO: checking if $compiler static flag $lt_tmp_static_flag works" >&5
+$as_echo_n "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; }
+if test "${lt_cv_prog_compiler_static_works+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_prog_compiler_static_works=no
+   save_LDFLAGS="$LDFLAGS"
+   LDFLAGS="$LDFLAGS $lt_tmp_static_flag"
+   echo "$lt_simple_link_test_code" > conftest.$ac_ext
+   if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
+     # The linker can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     if test -s conftest.err; then
+       # Append any errors to the config.log.
+       cat conftest.err 1>&5
+       $ECHO "X$_lt_linker_boilerplate" | $Xsed -e '/^$/d' > conftest.exp
+       $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+       if diff conftest.exp conftest.er2 >/dev/null; then
+         lt_cv_prog_compiler_static_works=yes
+       fi
+     else
+       lt_cv_prog_compiler_static_works=yes
+     fi
+   fi
+   $RM -r conftest*
+   LDFLAGS="$save_LDFLAGS"
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_static_works" >&5
+$as_echo "$lt_cv_prog_compiler_static_works" >&6; }
+
+if test x"$lt_cv_prog_compiler_static_works" = xyes; then
+    :
+else
+    lt_prog_compiler_static=
+fi
+
+
+
+
+
+
+
+  { $as_echo "$as_me:$LINENO: checking if $compiler supports -c -o file.$ac_objext" >&5
+$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
+if test "${lt_cv_prog_compiler_c_o+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_prog_compiler_c_o=no
+   $RM -r conftest 2>/dev/null
+   mkdir conftest
+   cd conftest
+   mkdir out
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+   lt_compiler_flag="-o out/conftest2.$ac_objext"
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:9504: $lt_compile\"" >&5)
+   (eval "$lt_compile" 2>out/conftest.err)
+   ac_status=$?
+   cat out/conftest.err >&5
+   echo "$as_me:9508: \$? = $ac_status" >&5
+   if (exit $ac_status) && test -s out/conftest2.$ac_objext
+   then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     $ECHO "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' > out/conftest.exp
+     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
+     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
+       lt_cv_prog_compiler_c_o=yes
+     fi
+   fi
+   chmod u+w . 2>&5
+   $RM conftest*
+   # SGI C++ compiler will create directory out/ii_files/ for
+   # template instantiation
+   test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
+   $RM out/* && rmdir out
+   cd ..
+   $RM -r conftest
+   $RM conftest*
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_c_o" >&5
+$as_echo "$lt_cv_prog_compiler_c_o" >&6; }
+
+
+
+
+
+
+  { $as_echo "$as_me:$LINENO: checking if $compiler supports -c -o file.$ac_objext" >&5
+$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
+if test "${lt_cv_prog_compiler_c_o+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_prog_compiler_c_o=no
+   $RM -r conftest 2>/dev/null
+   mkdir conftest
+   cd conftest
+   mkdir out
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+   lt_compiler_flag="-o out/conftest2.$ac_objext"
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:9559: $lt_compile\"" >&5)
+   (eval "$lt_compile" 2>out/conftest.err)
+   ac_status=$?
+   cat out/conftest.err >&5
+   echo "$as_me:9563: \$? = $ac_status" >&5
+   if (exit $ac_status) && test -s out/conftest2.$ac_objext
+   then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     $ECHO "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' > out/conftest.exp
+     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
+     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
+       lt_cv_prog_compiler_c_o=yes
+     fi
+   fi
+   chmod u+w . 2>&5
+   $RM conftest*
+   # SGI C++ compiler will create directory out/ii_files/ for
+   # template instantiation
+   test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
+   $RM out/* && rmdir out
+   cd ..
+   $RM -r conftest
+   $RM conftest*
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_c_o" >&5
+$as_echo "$lt_cv_prog_compiler_c_o" >&6; }
+
+
+
+
+hard_links="nottested"
+if test "$lt_cv_prog_compiler_c_o" = no && test "$need_locks" != no; then
+  # do not overwrite the value of need_locks provided by the user
+  { $as_echo "$as_me:$LINENO: checking if we can lock with hard links" >&5
+$as_echo_n "checking if we can lock with hard links... " >&6; }
+  hard_links=yes
+  $RM conftest*
+  ln conftest.a conftest.b 2>/dev/null && hard_links=no
+  touch conftest.a
+  ln conftest.a conftest.b 2>&5 || hard_links=no
+  ln conftest.a conftest.b 2>/dev/null && hard_links=no
+  { $as_echo "$as_me:$LINENO: result: $hard_links" >&5
+$as_echo "$hard_links" >&6; }
+  if test "$hard_links" = no; then
+    { $as_echo "$as_me:$LINENO: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&5
+$as_echo "$as_me: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2;}
+    need_locks=warn
+  fi
+else
+  need_locks=no
+fi
+
+
+
+
+
+
+  { $as_echo "$as_me:$LINENO: checking whether the $compiler linker ($LD) supports shared libraries" >&5
+$as_echo_n "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; }
+
+  runpath_var=
+  allow_undefined_flag=
+  always_export_symbols=no
+  archive_cmds=
+  archive_expsym_cmds=
+  compiler_needs_object=no
+  enable_shared_with_static_runtimes=no
+  export_dynamic_flag_spec=
+  export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+  hardcode_automatic=no
+  hardcode_direct=no
+  hardcode_direct_absolute=no
+  hardcode_libdir_flag_spec=
+  hardcode_libdir_flag_spec_ld=
+  hardcode_libdir_separator=
+  hardcode_minus_L=no
+  hardcode_shlibpath_var=unsupported
+  inherit_rpath=no
+  link_all_deplibs=unknown
+  module_cmds=
+  module_expsym_cmds=
+  old_archive_from_new_cmds=
+  old_archive_from_expsyms_cmds=
+  thread_safe_flag_spec=
+  whole_archive_flag_spec=
+  # include_expsyms should be a list of space-separated symbols to be *always*
+  # included in the symbol list
+  include_expsyms=
+  # exclude_expsyms can be an extended regexp of symbols to exclude
+  # it will be wrapped by ` (' and `)$', so one must not match beginning or
+  # end of line.  Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
+  # as well as any symbol that contains `d'.
+  exclude_expsyms='_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'
+  # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
+  # platforms (ab)use it in PIC code, but their linkers get confused if
+  # the symbol is explicitly referenced.  Since portable code cannot
+  # rely on this symbol name, it's probably fine to never include it in
+  # preloaded symbol tables.
+  # Exclude shared library initialization/finalization symbols.
+  extract_expsyms_cmds=
+
+  case $host_os in
+  cygwin* | mingw* | pw32*)
+    # FIXME: the MSVC++ port hasn't been tested in a loooong time
+    # When not using gcc, we currently assume that we are using
+    # Microsoft Visual C++.
+    if test "$GCC" != yes; then
+      with_gnu_ld=no
+    fi
+    ;;
+  interix*)
+    # we just hope/assume this is gcc and not c89 (= MSVC++)
+    with_gnu_ld=yes
+    ;;
+  openbsd*)
+    with_gnu_ld=no
+    ;;
+  esac
+
+  ld_shlibs=yes
+  if test "$with_gnu_ld" = yes; then
+    # If archive_cmds runs LD, not CC, wlarc should be empty
+    wlarc='${wl}'
+
+    # Set some defaults for GNU ld with shared library support. These
+    # are reset later if shared libraries are not supported. Putting them
+    # here allows them to be overridden if necessary.
+    runpath_var=LD_RUN_PATH
+    hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+    export_dynamic_flag_spec='${wl}--export-dynamic'
+    # ancient GNU ld didn't support --whole-archive et. al.
+    if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then
+      whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
+    else
+      whole_archive_flag_spec=
+    fi
+    supports_anon_versioning=no
+    case `$LD -v 2>&1` in
+      *\ [01].* | *\ 2.[0-9].* | *\ 2.10.*) ;; # catch versions < 2.11
+      *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ...
+      *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ...
+      *\ 2.11.*) ;; # other 2.11 versions
+      *) supports_anon_versioning=yes ;;
+    esac
+
+    # See if GNU ld supports shared libraries.
+    case $host_os in
+    aix[3-9]*)
+      # On AIX/PPC, the GNU linker is very broken
+      if test "$host_cpu" != ia64; then
+	ld_shlibs=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: the GNU linker, at least up to release 2.9.1, is reported
+*** to be unable to reliably create shared libraries on AIX.
+*** Therefore, libtool is disabling shared libraries support.  If you
+*** really care for shared libraries, you may want to modify your PATH
+*** so that a non-GNU linker is found, and then restart.
+
+_LT_EOF
+      fi
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+            archive_expsym_cmds=''
+        ;;
+      m68k)
+            archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+            hardcode_libdir_flag_spec='-L$libdir'
+            hardcode_minus_L=yes
+        ;;
+      esac
+      ;;
+
+    beos*)
+      if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	allow_undefined_flag=unsupported
+	# Joseph Beckenbach <jrb3 at best.com> says some releases of gcc
+	# support --undefined.  This deserves some investigation.  FIXME
+	archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+      else
+	ld_shlibs=no
+      fi
+      ;;
+
+    cygwin* | mingw* | pw32*)
+      # _LT_TAGVAR(hardcode_libdir_flag_spec, ) is actually meaningless,
+      # as there is no search path for DLLs.
+      hardcode_libdir_flag_spec='-L$libdir'
+      allow_undefined_flag=unsupported
+      always_export_symbols=no
+      enable_shared_with_static_runtimes=yes
+      export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1 DATA/'\'' | $SED -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols'
+
+      if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then
+        archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+	# If the export-symbols file already is a .def file (1st line
+	# is EXPORTS), use it as is; otherwise, prepend...
+	archive_expsym_cmds='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
+	  cp $export_symbols $output_objdir/$soname.def;
+	else
+	  echo EXPORTS > $output_objdir/$soname.def;
+	  cat $export_symbols >> $output_objdir/$soname.def;
+	fi~
+	$CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+      else
+	ld_shlibs=no
+      fi
+      ;;
+
+    interix[3-9]*)
+      hardcode_direct=no
+      hardcode_shlibpath_var=no
+      hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
+      export_dynamic_flag_spec='${wl}-E'
+      # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+      # Instead, shared libraries are loaded at an image base (0x10000000 by
+      # default) and relocated if they conflict, which is a slow very memory
+      # consuming and fragmenting process.  To avoid this, we pick a random,
+      # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+      # time.  Moving up from 0x10000000 also allows more sbrk(2) space.
+      archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+      archive_expsym_cmds='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+      ;;
+
+    gnu* | linux* | tpf* | k*bsd*-gnu)
+      tmp_diet=no
+      if test "$host_os" = linux-dietlibc; then
+	case $cc_basename in
+	  diet\ *) tmp_diet=yes;;	# linux-dietlibc with static linking (!diet-dyn)
+	esac
+      fi
+      if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
+	 && test "$tmp_diet" = no
+      then
+	tmp_addflag=
+	tmp_sharedflag='-shared'
+	case $cc_basename,$host_cpu in
+        pgcc*)				# Portland Group C compiler
+	  whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $ECHO \"$new_convenience\"` ${wl}--no-whole-archive'
+	  tmp_addflag=' $pic_flag'
+	  ;;
+	pgf77* | pgf90* | pgf95*)	# Portland Group f77 and f90 compilers
+	  whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $ECHO \"$new_convenience\"` ${wl}--no-whole-archive'
+	  tmp_addflag=' $pic_flag -Mnomain' ;;
+	ecc*,ia64* | icc*,ia64*)	# Intel C compiler on ia64
+	  tmp_addflag=' -i_dynamic' ;;
+	efc*,ia64* | ifort*,ia64*)	# Intel Fortran compiler on ia64
+	  tmp_addflag=' -i_dynamic -nofor_main' ;;
+	ifc* | ifort*)			# Intel Fortran compiler
+	  tmp_addflag=' -nofor_main' ;;
+	xl[cC]*)			# IBM XL C 8.0 on PPC (deal with xlf below)
+	  tmp_sharedflag='-qmkshrobj'
+	  tmp_addflag= ;;
+	esac
+	case `$CC -V 2>&1 | sed 5q` in
+	*Sun\ C*)			# Sun C 5.9
+	  whole_archive_flag_spec='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; $ECHO \"$new_convenience\"` ${wl}--no-whole-archive'
+	  compiler_needs_object=yes
+	  tmp_sharedflag='-G' ;;
+	*Sun\ F*)			# Sun Fortran 8.3
+	  tmp_sharedflag='-G' ;;
+	esac
+	archive_cmds='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+
+        if test "x$supports_anon_versioning" = xyes; then
+          archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~
+	    cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+	    echo "local: *; };" >> $output_objdir/$libname.ver~
+	    $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib'
+        fi
+
+	case $cc_basename in
+	xlf*)
+	  # IBM XL Fortran 10.1 on PPC cannot create shared libs itself
+	  whole_archive_flag_spec='--whole-archive$convenience --no-whole-archive'
+	  hardcode_libdir_flag_spec=
+	  hardcode_libdir_flag_spec_ld='-rpath $libdir'
+	  archive_cmds='$LD -shared $libobjs $deplibs $compiler_flags -soname $soname -o $lib'
+	  if test "x$supports_anon_versioning" = xyes; then
+	    archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~
+	      cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+	      echo "local: *; };" >> $output_objdir/$libname.ver~
+	      $LD -shared $libobjs $deplibs $compiler_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib'
+	  fi
+	  ;;
+	esac
+      else
+        ld_shlibs=no
+      fi
+      ;;
+
+    netbsd*)
+      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+	archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
+	wlarc=
+      else
+	archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+      fi
+      ;;
+
+    solaris*)
+      if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then
+	ld_shlibs=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: The releases 2.8.* of the GNU linker cannot reliably
+*** create shared libraries on Solaris systems.  Therefore, libtool
+*** is disabling shared libraries support.  We urge you to upgrade GNU
+*** binutils to release 2.9.1 or newer.  Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+      elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+      else
+	ld_shlibs=no
+      fi
+      ;;
+
+    sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
+      case `$LD -v 2>&1` in
+        *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*)
+	ld_shlibs=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not
+*** reliably create shared libraries on SCO systems.  Therefore, libtool
+*** is disabling shared libraries support.  We urge you to upgrade GNU
+*** binutils to release 2.16.91.0.3 or newer.  Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+	;;
+	*)
+	  # For security reasons, it is highly recommended that you always
+	  # use absolute paths for naming shared libraries, and exclude the
+	  # DT_RUNPATH tag from executables and libraries.  But doing so
+	  # requires that you compile everything twice, which is a pain.
+	  if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	    hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+	    archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	    archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+	  else
+	    ld_shlibs=no
+	  fi
+	;;
+      esac
+      ;;
+
+    sunos4*)
+      archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+      wlarc=
+      hardcode_direct=yes
+      hardcode_shlibpath_var=no
+      ;;
+
+    *)
+      if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+      else
+	ld_shlibs=no
+      fi
+      ;;
+    esac
+
+    if test "$ld_shlibs" = no; then
+      runpath_var=
+      hardcode_libdir_flag_spec=
+      export_dynamic_flag_spec=
+      whole_archive_flag_spec=
+    fi
+  else
+    # PORTME fill in a description of your system's linker (not GNU ld)
+    case $host_os in
+    aix3*)
+      allow_undefined_flag=unsupported
+      always_export_symbols=yes
+      archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
+      # Note: this linker hardcodes the directories in LIBPATH if there
+      # are no directories specified by -L.
+      hardcode_minus_L=yes
+      if test "$GCC" = yes && test -z "$lt_prog_compiler_static"; then
+	# Neither direct hardcoding nor static linking is supported with a
+	# broken collect2.
+	hardcode_direct=unsupported
+      fi
+      ;;
+
+    aix[4-9]*)
+      if test "$host_cpu" = ia64; then
+	# On IA64, the linker does run time linking by default, so we don't
+	# have to do anything special.
+	aix_use_runtimelinking=no
+	exp_sym_flag='-Bexport'
+	no_entry_flag=""
+      else
+	# If we're using GNU nm, then we don't want the "-C" option.
+	# -C means demangle to AIX nm, but means don't demangle with GNU nm
+	if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
+	  export_symbols_cmds='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+	else
+	  export_symbols_cmds='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+	fi
+	aix_use_runtimelinking=no
+
+	# Test if we are trying to use run time linking or normal
+	# AIX style linking. If -brtl is somewhere in LDFLAGS, we
+	# need to do runtime linking.
+	case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*)
+	  for ld_flag in $LDFLAGS; do
+	  if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
+	    aix_use_runtimelinking=yes
+	    break
+	  fi
+	  done
+	  ;;
+	esac
+
+	exp_sym_flag='-bexport'
+	no_entry_flag='-bnoentry'
+      fi
+
+      # When large executables or shared objects are built, AIX ld can
+      # have problems creating the table of contents.  If linking a library
+      # or program results in "error TOC overflow" add -mminimal-toc to
+      # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
+      # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
+
+      archive_cmds=''
+      hardcode_direct=yes
+      hardcode_direct_absolute=yes
+      hardcode_libdir_separator=':'
+      link_all_deplibs=yes
+      file_list_spec='${wl}-f,'
+
+      if test "$GCC" = yes; then
+	case $host_os in aix4.[012]|aix4.[012].*)
+	# We only want to do this on AIX 4.2 and lower, the check
+	# below for broken collect2 doesn't work under 4.3+
+	  collect2name=`${CC} -print-prog-name=collect2`
+	  if test -f "$collect2name" &&
+	   strings "$collect2name" | $GREP resolve_lib_name >/dev/null
+	  then
+	  # We have reworked collect2
+	  :
+	  else
+	  # We have old collect2
+	  hardcode_direct=unsupported
+	  # It fails to find uninstalled libraries when the uninstalled
+	  # path is not listed in the libpath.  Setting hardcode_minus_L
+	  # to unsupported forces relinking
+	  hardcode_minus_L=yes
+	  hardcode_libdir_flag_spec='-L$libdir'
+	  hardcode_libdir_separator=
+	  fi
+	  ;;
+	esac
+	shared_flag='-shared'
+	if test "$aix_use_runtimelinking" = yes; then
+	  shared_flag="$shared_flag "'${wl}-G'
+	fi
+      else
+	# not using gcc
+	if test "$host_cpu" = ia64; then
+	# VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
+	# chokes on -Wl,-G. The following line is correct:
+	  shared_flag='-G'
+	else
+	  if test "$aix_use_runtimelinking" = yes; then
+	    shared_flag='${wl}-G'
+	  else
+	    shared_flag='${wl}-bM:SRE'
+	  fi
+	fi
+      fi
+
+      # It seems that -bexpall does not export symbols beginning with
+      # underscore (_), so it is better to generate a list of symbols to export.
+      always_export_symbols=yes
+      if test "$aix_use_runtimelinking" = yes; then
+	# Warning - without using the other runtime loading flags (-brtl),
+	# -berok will link without error, but may produce a broken library.
+	allow_undefined_flag='-berok'
+        # Determine the default libpath from the value encoded in an
+        # empty executable.
+        cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+
+lt_aix_libpath_sed='
+    /Import File Strings/,/^$/ {
+	/^0/ {
+	    s/^0  *\(.*\)$/\1/
+	    p
+	}
+    }'
+aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+# Check for a 64-bit object if we didn't find anything.
+if test -z "$aix_libpath"; then
+  aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+fi
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
+
+        hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
+        archive_expsym_cmds='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then $ECHO "X${wl}${allow_undefined_flag}" | $Xsed; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag"
+      else
+	if test "$host_cpu" = ia64; then
+	  hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
+	  allow_undefined_flag="-z nodefs"
+	  archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols"
+	else
+	 # Determine the default libpath from the value encoded in an
+	 # empty executable.
+	 cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+
+lt_aix_libpath_sed='
+    /Import File Strings/,/^$/ {
+	/^0/ {
+	    s/^0  *\(.*\)$/\1/
+	    p
+	}
+    }'
+aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+# Check for a 64-bit object if we didn't find anything.
+if test -z "$aix_libpath"; then
+  aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+fi
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
+
+	 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
+	  # Warning - without using the other run time loading flags,
+	  # -berok will link without error, but may produce a broken library.
+	  no_undefined_flag=' ${wl}-bernotok'
+	  allow_undefined_flag=' ${wl}-berok'
+	  # Exported symbols can be pulled into shared objects from archives
+	  whole_archive_flag_spec='$convenience'
+	  archive_cmds_need_lc=yes
+	  # This is similar to how AIX traditionally builds its shared libraries.
+	  archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
+	fi
+      fi
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+            archive_expsym_cmds=''
+        ;;
+      m68k)
+            archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+            hardcode_libdir_flag_spec='-L$libdir'
+            hardcode_minus_L=yes
+        ;;
+      esac
+      ;;
+
+    bsdi[45]*)
+      export_dynamic_flag_spec=-rdynamic
+      ;;
+
+    cygwin* | mingw* | pw32*)
+      # When not using gcc, we currently assume that we are using
+      # Microsoft Visual C++.
+      # hardcode_libdir_flag_spec is actually meaningless, as there is
+      # no search path for DLLs.
+      hardcode_libdir_flag_spec=' '
+      allow_undefined_flag=unsupported
+      # Tell ltmain to make .lib files, not .a files.
+      libext=lib
+      # Tell ltmain to make .dll files, not .so files.
+      shrext_cmds=".dll"
+      # FIXME: Setting linknames here is a bad hack.
+      archive_cmds='$CC -o $lib $libobjs $compiler_flags `$ECHO "X$deplibs" | $Xsed -e '\''s/ -lc$//'\''` -link -dll~linknames='
+      # The linker will automatically build a .lib file if we build a DLL.
+      old_archive_from_new_cmds='true'
+      # FIXME: Should let the user specify the lib program.
+      old_archive_cmds='lib -OUT:$oldlib$oldobjs$old_deplibs'
+      fix_srcfile_path='`cygpath -w "$srcfile"`'
+      enable_shared_with_static_runtimes=yes
+      ;;
+
+    darwin* | rhapsody*)
+
+
+  archive_cmds_need_lc=no
+  hardcode_direct=no
+  hardcode_automatic=yes
+  hardcode_shlibpath_var=unsupported
+  whole_archive_flag_spec=''
+  link_all_deplibs=yes
+  allow_undefined_flag="$_lt_dar_allow_undefined"
+  if test "$GCC" = "yes"; then
+    output_verbose_link_cmd=echo
+    archive_cmds="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}"
+    module_cmds="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}"
+    archive_expsym_cmds="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}"
+    module_expsym_cmds="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}"
+
+  else
+  ld_shlibs=no
+  fi
+
+      ;;
+
+    dgux*)
+      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      hardcode_libdir_flag_spec='-L$libdir'
+      hardcode_shlibpath_var=no
+      ;;
+
+    freebsd1*)
+      ld_shlibs=no
+      ;;
+
+    # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
+    # support.  Future versions do this automatically, but an explicit c++rt0.o
+    # does not break anything, and helps significantly (at the cost of a little
+    # extra space).
+    freebsd2.2*)
+      archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
+      hardcode_libdir_flag_spec='-R$libdir'
+      hardcode_direct=yes
+      hardcode_shlibpath_var=no
+      ;;
+
+    # Unfortunately, older versions of FreeBSD 2 do not have this feature.
+    freebsd2*)
+      archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+      hardcode_direct=yes
+      hardcode_minus_L=yes
+      hardcode_shlibpath_var=no
+      ;;
+
+    # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
+    freebsd* | dragonfly*)
+      archive_cmds='$CC -shared -o $lib $libobjs $deplibs $compiler_flags'
+      hardcode_libdir_flag_spec='-R$libdir'
+      hardcode_direct=yes
+      hardcode_shlibpath_var=no
+      ;;
+
+    hpux9*)
+      if test "$GCC" = yes; then
+	archive_cmds='$RM $output_objdir/$soname~$CC -shared -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+      else
+	archive_cmds='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+      fi
+      hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
+      hardcode_libdir_separator=:
+      hardcode_direct=yes
+
+      # hardcode_minus_L: Not really in the search PATH,
+      # but as the default location of the library.
+      hardcode_minus_L=yes
+      export_dynamic_flag_spec='${wl}-E'
+      ;;
+
+    hpux10*)
+      if test "$GCC" = yes -a "$with_gnu_ld" = no; then
+	archive_cmds='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
+      fi
+      if test "$with_gnu_ld" = no; then
+	hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
+	hardcode_libdir_flag_spec_ld='+b $libdir'
+	hardcode_libdir_separator=:
+	hardcode_direct=yes
+	hardcode_direct_absolute=yes
+	export_dynamic_flag_spec='${wl}-E'
+	# hardcode_minus_L: Not really in the search PATH,
+	# but as the default location of the library.
+	hardcode_minus_L=yes
+      fi
+      ;;
+
+    hpux11*)
+      if test "$GCC" = yes -a "$with_gnu_ld" = no; then
+	case $host_cpu in
+	hppa*64*)
+	  archive_cmds='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	ia64*)
+	  archive_cmds='$CC -shared ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	*)
+	  archive_cmds='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	esac
+      else
+	case $host_cpu in
+	hppa*64*)
+	  archive_cmds='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	ia64*)
+	  archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	*)
+	  archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	esac
+      fi
+      if test "$with_gnu_ld" = no; then
+	hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
+	hardcode_libdir_separator=:
+
+	case $host_cpu in
+	hppa*64*|ia64*)
+	  hardcode_direct=no
+	  hardcode_shlibpath_var=no
+	  ;;
+	*)
+	  hardcode_direct=yes
+	  hardcode_direct_absolute=yes
+	  export_dynamic_flag_spec='${wl}-E'
+
+	  # hardcode_minus_L: Not really in the search PATH,
+	  # but as the default location of the library.
+	  hardcode_minus_L=yes
+	  ;;
+	esac
+      fi
+      ;;
+
+    irix5* | irix6* | nonstopux*)
+      if test "$GCC" = yes; then
+	archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+	# Try to use the -exported_symbol ld option, if it does not
+	# work, assume that -exports_file does not work either and
+	# implicitly export all symbols.
+        save_LDFLAGS="$LDFLAGS"
+        LDFLAGS="$LDFLAGS -shared ${wl}-exported_symbol ${wl}foo ${wl}-update_registry ${wl}/dev/null"
+        cat >conftest.$ac_ext <<_ACEOF
+int foo(void) {}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations ${wl}-exports_file ${wl}$export_symbols -o $lib'
+
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+        LDFLAGS="$save_LDFLAGS"
+      else
+	archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib'
+	archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -exports_file $export_symbols -o $lib'
+      fi
+      archive_cmds_need_lc='no'
+      hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+      hardcode_libdir_separator=:
+      inherit_rpath=yes
+      link_all_deplibs=yes
+      ;;
+
+    netbsd*)
+      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+	archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
+      else
+	archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags'      # ELF
+      fi
+      hardcode_libdir_flag_spec='-R$libdir'
+      hardcode_direct=yes
+      hardcode_shlibpath_var=no
+      ;;
+
+    newsos6)
+      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      hardcode_direct=yes
+      hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+      hardcode_libdir_separator=:
+      hardcode_shlibpath_var=no
+      ;;
+
+    *nto* | *qnx*)
+      ;;
+
+    openbsd*)
+      if test -f /usr/libexec/ld.so; then
+	hardcode_direct=yes
+	hardcode_shlibpath_var=no
+	hardcode_direct_absolute=yes
+	if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+	  archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+	  archive_expsym_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols'
+	  hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
+	  export_dynamic_flag_spec='${wl}-E'
+	else
+	  case $host_os in
+	   openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
+	     archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+	     hardcode_libdir_flag_spec='-R$libdir'
+	     ;;
+	   *)
+	     archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+	     hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
+	     ;;
+	  esac
+	fi
+      else
+	ld_shlibs=no
+      fi
+      ;;
+
+    os2*)
+      hardcode_libdir_flag_spec='-L$libdir'
+      hardcode_minus_L=yes
+      allow_undefined_flag=unsupported
+      archive_cmds='$ECHO "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~$ECHO DATA >> $output_objdir/$libname.def~$ECHO " SINGLE NONSHARED" >> $output_objdir/$libname.def~$ECHO EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def'
+      old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
+      ;;
+
+    osf3*)
+      if test "$GCC" = yes; then
+	allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
+	archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+      else
+	allow_undefined_flag=' -expect_unresolved \*'
+	archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib'
+      fi
+      archive_cmds_need_lc='no'
+      hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+      hardcode_libdir_separator=:
+      ;;
+
+    osf4* | osf5*)	# as osf3* with the addition of -msym flag
+      if test "$GCC" = yes; then
+	allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
+	archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+	hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+      else
+	allow_undefined_flag=' -expect_unresolved \*'
+	archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib'
+	archive_expsym_cmds='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~
+	$CC -shared${allow_undefined_flag} ${wl}-input ${wl}$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib~$RM $lib.exp'
+
+	# Both c and cxx compiler support -rpath directly
+	hardcode_libdir_flag_spec='-rpath $libdir'
+      fi
+      archive_cmds_need_lc='no'
+      hardcode_libdir_separator=:
+      ;;
+
+    solaris*)
+      no_undefined_flag=' -z defs'
+      if test "$GCC" = yes; then
+	wlarc='${wl}'
+	archive_cmds='$CC -shared ${wl}-z ${wl}text ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+	  $CC -shared ${wl}-z ${wl}text ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
+      else
+	case `$CC -V 2>&1` in
+	*"Compilers 5.0"*)
+	  wlarc=''
+	  archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+	  $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp'
+	  ;;
+	*)
+	  wlarc='${wl}'
+	  archive_cmds='$CC -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $compiler_flags'
+	  archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+	  $CC -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
+	  ;;
+	esac
+      fi
+      hardcode_libdir_flag_spec='-R$libdir'
+      hardcode_shlibpath_var=no
+      case $host_os in
+      solaris2.[0-5] | solaris2.[0-5].*) ;;
+      *)
+	# The compiler driver will combine and reorder linker options,
+	# but understands `-z linker_flag'.  GCC discards it without `$wl',
+	# but is careful enough not to reorder.
+	# Supported since Solaris 2.6 (maybe 2.5.1?)
+	if test "$GCC" = yes; then
+	  whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
+	else
+	  whole_archive_flag_spec='-z allextract$convenience -z defaultextract'
+	fi
+	;;
+      esac
+      link_all_deplibs=yes
+      ;;
+
+    sunos4*)
+      if test "x$host_vendor" = xsequent; then
+	# Use $CC to link under sequent, because it throws in some extra .o
+	# files that make .init and .fini sections work.
+	archive_cmds='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
+      fi
+      hardcode_libdir_flag_spec='-L$libdir'
+      hardcode_direct=yes
+      hardcode_minus_L=yes
+      hardcode_shlibpath_var=no
+      ;;
+
+    sysv4)
+      case $host_vendor in
+	sni)
+	  archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  hardcode_direct=yes # is this really true???
+	;;
+	siemens)
+	  ## LD is ld it makes a PLAMLIB
+	  ## CC just makes a GrossModule.
+	  archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags'
+	  reload_cmds='$CC -r -o $output$reload_objs'
+	  hardcode_direct=no
+        ;;
+	motorola)
+	  archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  hardcode_direct=no #Motorola manual says yes, but my tests say they lie
+	;;
+      esac
+      runpath_var='LD_RUN_PATH'
+      hardcode_shlibpath_var=no
+      ;;
+
+    sysv4.3*)
+      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      hardcode_shlibpath_var=no
+      export_dynamic_flag_spec='-Bexport'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	hardcode_shlibpath_var=no
+	runpath_var=LD_RUN_PATH
+	hardcode_runpath_var=yes
+	ld_shlibs=yes
+      fi
+      ;;
+
+    sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*)
+      no_undefined_flag='${wl}-z,text'
+      archive_cmds_need_lc=no
+      hardcode_shlibpath_var=no
+      runpath_var='LD_RUN_PATH'
+
+      if test "$GCC" = yes; then
+	archive_cmds='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	archive_cmds='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      fi
+      ;;
+
+    sysv5* | sco3.2v5* | sco5v6*)
+      # Note: We can NOT use -z defs as we might desire, because we do not
+      # link with -lc, and that would cause any symbols used from libc to
+      # always be unresolved, which means just about no library would
+      # ever link correctly.  If we're not using GNU ld we use -z text
+      # though, which does catch some bad symbols but isn't as heavy-handed
+      # as -z defs.
+      no_undefined_flag='${wl}-z,text'
+      allow_undefined_flag='${wl}-z,nodefs'
+      archive_cmds_need_lc=no
+      hardcode_shlibpath_var=no
+      hardcode_libdir_flag_spec='${wl}-R,$libdir'
+      hardcode_libdir_separator=':'
+      link_all_deplibs=yes
+      export_dynamic_flag_spec='${wl}-Bexport'
+      runpath_var='LD_RUN_PATH'
+
+      if test "$GCC" = yes; then
+	archive_cmds='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	archive_cmds='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      fi
+      ;;
+
+    uts4*)
+      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      hardcode_libdir_flag_spec='-L$libdir'
+      hardcode_shlibpath_var=no
+      ;;
+
+    *)
+      ld_shlibs=no
+      ;;
+    esac
+
+    if test x$host_vendor = xsni; then
+      case $host in
+      sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
+	export_dynamic_flag_spec='${wl}-Blargedynsym'
+	;;
+      esac
+    fi
+  fi
+
+{ $as_echo "$as_me:$LINENO: result: $ld_shlibs" >&5
+$as_echo "$ld_shlibs" >&6; }
+test "$ld_shlibs" = no && can_build_shared=no
+
+with_gnu_ld=$with_gnu_ld
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+#
+# Do we need to explicitly link libc?
+#
+case "x$archive_cmds_need_lc" in
+x|xyes)
+  # Assume -lc should be added
+  archive_cmds_need_lc=yes
+
+  if test "$enable_shared" = yes && test "$GCC" = yes; then
+    case $archive_cmds in
+    *'~'*)
+      # FIXME: we may have to deal with multi-command sequences.
+      ;;
+    '$CC '*)
+      # Test whether the compiler implicitly links with -lc since on some
+      # systems, -lgcc has to come before -lc. If gcc already passes -lc
+      # to ld, don't add -lc before -lgcc.
+      { $as_echo "$as_me:$LINENO: checking whether -lc should be explicitly linked in" >&5
+$as_echo_n "checking whether -lc should be explicitly linked in... " >&6; }
+      $RM conftest*
+      echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+      if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } 2>conftest.err; then
+        soname=conftest
+        lib=conftest
+        libobjs=conftest.$ac_objext
+        deplibs=
+        wl=$lt_prog_compiler_wl
+	pic_flag=$lt_prog_compiler_pic
+        compiler_flags=-v
+        linker_flags=-v
+        verstring=
+        output_objdir=.
+        libname=conftest
+        lt_save_allow_undefined_flag=$allow_undefined_flag
+        allow_undefined_flag=
+        if { (eval echo "$as_me:$LINENO: \"$archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1\"") >&5
+  (eval $archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+        then
+	  archive_cmds_need_lc=no
+        else
+	  archive_cmds_need_lc=yes
+        fi
+        allow_undefined_flag=$lt_save_allow_undefined_flag
+      else
+        cat conftest.err 1>&5
+      fi
+      $RM conftest*
+      { $as_echo "$as_me:$LINENO: result: $archive_cmds_need_lc" >&5
+$as_echo "$archive_cmds_need_lc" >&6; }
+      ;;
+    esac
+  fi
+  ;;
+esac
+
+
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+
+
+  { $as_echo "$as_me:$LINENO: checking dynamic linker characteristics" >&5
+$as_echo_n "checking dynamic linker characteristics... " >&6; }
+
+if test "$GCC" = yes; then
+  case $host_os in
+    darwin*) lt_awk_arg="/^libraries:/,/LR/" ;;
+    *) lt_awk_arg="/^libraries:/" ;;
+  esac
+  lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e "s,=/,/,g"`
+  if $ECHO "$lt_search_path_spec" | $GREP ';' >/dev/null ; then
+    # if the path contains ";" then we assume it to be the separator
+    # otherwise default to the standard path separator (i.e. ":") - it is
+    # assumed that no part of a normal pathname contains ";" but that should
+    # okay in the real world where ";" in dirpaths is itself problematic.
+    lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED -e 's/;/ /g'`
+  else
+    lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED  -e "s/$PATH_SEPARATOR/ /g"`
+  fi
+  # Ok, now we have the path, separated by spaces, we can step through it
+  # and add multilib dir if necessary.
+  lt_tmp_lt_search_path_spec=
+  lt_multi_os_dir=`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null`
+  for lt_sys_path in $lt_search_path_spec; do
+    if test -d "$lt_sys_path/$lt_multi_os_dir"; then
+      lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path/$lt_multi_os_dir"
+    else
+      test -d "$lt_sys_path" && \
+	lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path"
+    fi
+  done
+  lt_search_path_spec=`$ECHO $lt_tmp_lt_search_path_spec | awk '
+BEGIN {RS=" "; FS="/|\n";} {
+  lt_foo="";
+  lt_count=0;
+  for (lt_i = NF; lt_i > 0; lt_i--) {
+    if ($lt_i != "" && $lt_i != ".") {
+      if ($lt_i == "..") {
+        lt_count++;
+      } else {
+        if (lt_count == 0) {
+          lt_foo="/" $lt_i lt_foo;
+        } else {
+          lt_count--;
+        }
+      }
+    }
+  }
+  if (lt_foo != "") { lt_freq[lt_foo]++; }
+  if (lt_freq[lt_foo] == 1) { print lt_foo; }
+}'`
+  sys_lib_search_path_spec=`$ECHO $lt_search_path_spec`
+else
+  sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
+fi
+library_names_spec=
+libname_spec='lib$name'
+soname_spec=
+shrext_cmds=".so"
+postinstall_cmds=
+postuninstall_cmds=
+finish_cmds=
+finish_eval=
+shlibpath_var=
+shlibpath_overrides_runpath=unknown
+version_type=none
+dynamic_linker="$host_os ld.so"
+sys_lib_dlsearch_path_spec="/lib /usr/lib"
+need_lib_prefix=unknown
+hardcode_into_libs=no
+
+# when you set need_version to no, make sure it does not cause -set_version
+# flags to be left without arguments
+need_version=unknown
+
+case $host_os in
+aix3*)
+  version_type=linux
+  library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a'
+  shlibpath_var=LIBPATH
+
+  # AIX 3 has no versioning support, so we append a major version to the name.
+  soname_spec='${libname}${release}${shared_ext}$major'
+  ;;
+
+aix[4-9]*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  hardcode_into_libs=yes
+  if test "$host_cpu" = ia64; then
+    # AIX 5 supports IA64
+    library_names_spec='${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext}$versuffix $libname${shared_ext}'
+    shlibpath_var=LD_LIBRARY_PATH
+  else
+    # With GCC up to 2.95.x, collect2 would create an import file
+    # for dependence libraries.  The import file would start with
+    # the line `#! .'.  This would cause the generated library to
+    # depend on `.', always an invalid library.  This was fixed in
+    # development snapshots of GCC prior to 3.0.
+    case $host_os in
+      aix4 | aix4.[01] | aix4.[01].*)
+      if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
+	   echo ' yes '
+	   echo '#endif'; } | ${CC} -E - | $GREP yes > /dev/null; then
+	:
+      else
+	can_build_shared=no
+      fi
+      ;;
+    esac
+    # AIX (on Power*) has no versioning support, so currently we can not hardcode correct
+    # soname into executable. Probably we can add versioning support to
+    # collect2, so additional links can be useful in future.
+    if test "$aix_use_runtimelinking" = yes; then
+      # If using run time linking (on AIX 4.2 or later) use lib<name>.so
+      # instead of lib<name>.a to let people know that these are not
+      # typical AIX shared libraries.
+      library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    else
+      # We preserve .a as extension for shared libraries through AIX4.2
+      # and later when we are not doing run time linking.
+      library_names_spec='${libname}${release}.a $libname.a'
+      soname_spec='${libname}${release}${shared_ext}$major'
+    fi
+    shlibpath_var=LIBPATH
+  fi
+  ;;
+
+amigaos*)
+  case $host_cpu in
+  powerpc)
+    # Since July 2007 AmigaOS4 officially supports .so libraries.
+    # When compiling the executable, add -use-dynld -Lsobjs: to the compileline.
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    ;;
+  m68k)
+    library_names_spec='$libname.ixlibrary $libname.a'
+    # Create ${libname}_ixlibrary.a entries in /sys/libs.
+    finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`$ECHO "X$lib" | $Xsed -e '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; test $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
+    ;;
+  esac
+  ;;
+
+beos*)
+  library_names_spec='${libname}${shared_ext}'
+  dynamic_linker="$host_os ld.so"
+  shlibpath_var=LIBRARY_PATH
+  ;;
+
+bsdi[45]*)
+  version_type=linux
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
+  sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
+  # the default ld.so.conf also contains /usr/contrib/lib and
+  # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
+  # libtool to hard-code these into programs
+  ;;
+
+cygwin* | mingw* | pw32*)
+  version_type=windows
+  shrext_cmds=".dll"
+  need_version=no
+  need_lib_prefix=no
+
+  case $GCC,$host_os in
+  yes,cygwin* | yes,mingw* | yes,pw32*)
+    library_names_spec='$libname.dll.a'
+    # DLL is installed to $(libdir)/../bin by postinstall_cmds
+    postinstall_cmds='base_file=`basename \${file}`~
+      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~
+      dldir=$destdir/`dirname \$dlpath`~
+      test -d \$dldir || mkdir -p \$dldir~
+      $install_prog $dir/$dlname \$dldir/$dlname~
+      chmod a+x \$dldir/$dlname~
+      if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
+        eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
+      fi'
+    postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
+      dlpath=$dir/\$dldll~
+       $RM \$dlpath'
+    shlibpath_overrides_runpath=yes
+
+    case $host_os in
+    cygwin*)
+      # Cygwin DLLs use 'cyg' prefix rather than 'lib'
+      soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+      sys_lib_search_path_spec="/usr/lib /lib/w32api /lib /usr/local/lib"
+      ;;
+    mingw*)
+      # MinGW DLLs use traditional 'lib' prefix
+      soname_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+      sys_lib_search_path_spec=`$CC -print-search-dirs | $GREP "^libraries:" | $SED -e "s/^libraries://" -e "s,=/,/,g"`
+      if $ECHO "$sys_lib_search_path_spec" | $GREP ';[c-zC-Z]:/' >/dev/null; then
+        # It is most probably a Windows format PATH printed by
+        # mingw gcc, but we are running on Cygwin. Gcc prints its search
+        # path with ; separators, and with drive letters. We can handle the
+        # drive letters (cygwin fileutils understands them), so leave them,
+        # especially as we might pass files found there to a mingw objdump,
+        # which wouldn't understand a cygwinified path. Ahh.
+        sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
+      else
+        sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED  -e "s/$PATH_SEPARATOR/ /g"`
+      fi
+      ;;
+    pw32*)
+      # pw32 DLLs use 'pw' prefix rather than 'lib'
+      library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+      ;;
+    esac
+    ;;
+
+  *)
+    library_names_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext} $libname.lib'
+    ;;
+  esac
+  dynamic_linker='Win32 ld.exe'
+  # FIXME: first we should search . and the directory the executable is in
+  shlibpath_var=PATH
+  ;;
+
+darwin* | rhapsody*)
+  dynamic_linker="$host_os dyld"
+  version_type=darwin
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${major}$shared_ext ${libname}$shared_ext'
+  soname_spec='${libname}${release}${major}$shared_ext'
+  shlibpath_overrides_runpath=yes
+  shlibpath_var=DYLD_LIBRARY_PATH
+  shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`'
+
+  sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib"
+  sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
+  ;;
+
+dgux*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  ;;
+
+freebsd1*)
+  dynamic_linker=no
+  ;;
+
+freebsd* | dragonfly*)
+  # DragonFly does not have aout.  When/if they implement a new
+  # versioning mechanism, adjust this.
+  if test -x /usr/bin/objformat; then
+    objformat=`/usr/bin/objformat`
+  else
+    case $host_os in
+    freebsd[123]*) objformat=aout ;;
+    *) objformat=elf ;;
+    esac
+  fi
+  version_type=freebsd-$objformat
+  case $version_type in
+    freebsd-elf*)
+      library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+      need_version=no
+      need_lib_prefix=no
+      ;;
+    freebsd-*)
+      library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix'
+      need_version=yes
+      ;;
+  esac
+  shlibpath_var=LD_LIBRARY_PATH
+  case $host_os in
+  freebsd2*)
+    shlibpath_overrides_runpath=yes
+    ;;
+  freebsd3.[01]* | freebsdelf3.[01]*)
+    shlibpath_overrides_runpath=yes
+    hardcode_into_libs=yes
+    ;;
+  freebsd3.[2-9]* | freebsdelf3.[2-9]* | \
+  freebsd4.[0-5] | freebsdelf4.[0-5] | freebsd4.1.1 | freebsdelf4.1.1)
+    shlibpath_overrides_runpath=no
+    hardcode_into_libs=yes
+    ;;
+  *) # from 4.6 on, and DragonFly
+    shlibpath_overrides_runpath=yes
+    hardcode_into_libs=yes
+    ;;
+  esac
+  ;;
+
+gnu*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  hardcode_into_libs=yes
+  ;;
+
+hpux9* | hpux10* | hpux11*)
+  # Give a soname corresponding to the major version so that dld.sl refuses to
+  # link against other versions.
+  version_type=sunos
+  need_lib_prefix=no
+  need_version=no
+  case $host_cpu in
+  ia64*)
+    shrext_cmds='.so'
+    hardcode_into_libs=yes
+    dynamic_linker="$host_os dld.so"
+    shlibpath_var=LD_LIBRARY_PATH
+    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    soname_spec='${libname}${release}${shared_ext}$major'
+    if test "X$HPUX_IA64_MODE" = X32; then
+      sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
+    else
+      sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
+    fi
+    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+    ;;
+  hppa*64*)
+    shrext_cmds='.sl'
+    hardcode_into_libs=yes
+    dynamic_linker="$host_os dld.sl"
+    shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
+    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    soname_spec='${libname}${release}${shared_ext}$major'
+    sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
+    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+    ;;
+  *)
+    shrext_cmds='.sl'
+    dynamic_linker="$host_os dld.sl"
+    shlibpath_var=SHLIB_PATH
+    shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    soname_spec='${libname}${release}${shared_ext}$major'
+    ;;
+  esac
+  # HP-UX runs *really* slowly unless shared libraries are mode 555.
+  postinstall_cmds='chmod 555 $lib'
+  ;;
+
+interix[3-9]*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  ;;
+
+irix5* | irix6* | nonstopux*)
+  case $host_os in
+    nonstopux*) version_type=nonstopux ;;
+    *)
+	if test "$lt_cv_prog_gnu_ld" = yes; then
+		version_type=linux
+	else
+		version_type=irix
+	fi ;;
+  esac
+  need_lib_prefix=no
+  need_version=no
+  soname_spec='${libname}${release}${shared_ext}$major'
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}'
+  case $host_os in
+  irix5* | nonstopux*)
+    libsuff= shlibsuff=
+    ;;
+  *)
+    case $LD in # libtool.m4 will add one of these switches to LD
+    *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ")
+      libsuff= shlibsuff= libmagic=32-bit;;
+    *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ")
+      libsuff=32 shlibsuff=N32 libmagic=N32;;
+    *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ")
+      libsuff=64 shlibsuff=64 libmagic=64-bit;;
+    *) libsuff= shlibsuff= libmagic=never-match;;
+    esac
+    ;;
+  esac
+  shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
+  shlibpath_overrides_runpath=no
+  sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
+  sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
+  hardcode_into_libs=yes
+  ;;
+
+# No shared lib support for Linux oldld, aout, or coff.
+linux*oldld* | linux*aout* | linux*coff*)
+  dynamic_linker=no
+  ;;
+
+# This must be Linux ELF.
+linux* | k*bsd*-gnu)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  # Some binutils ld are patched to set DT_RUNPATH
+  save_LDFLAGS=$LDFLAGS
+  save_libdir=$libdir
+  eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \
+       LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec\""
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  if  ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then
+  shlibpath_overrides_runpath=yes
+fi
+
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+  LDFLAGS=$save_LDFLAGS
+  libdir=$save_libdir
+
+  # This implies no fast_install, which is unacceptable.
+  # Some rework will be needed to allow for fast_install
+  # before this can be enabled.
+  hardcode_into_libs=yes
+
+  # Append ld.so.conf contents to the search path
+  if test -f /etc/ld.so.conf; then
+    lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[	 ]*hwcap[	 ]/d;s/[:,	]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;/^$/d' | tr '\n' ' '`
+    sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
+  fi
+
+  # We used to test for /lib/ld.so.1 and disable shared libraries on
+  # powerpc, because MkLinux only supported shared libraries with the
+  # GNU dynamic linker.  Since this was broken with cross compilers,
+  # most powerpc-linux boxes support dynamic linking these days and
+  # people can always --disable-shared, the test was removed, and we
+  # assume the GNU/Linux dynamic linker is in use.
+  dynamic_linker='GNU/Linux ld.so'
+  ;;
+
+netbsd*)
+  version_type=sunos
+  need_lib_prefix=no
+  need_version=no
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+    finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+    dynamic_linker='NetBSD (a.out) ld.so'
+  else
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+    soname_spec='${libname}${release}${shared_ext}$major'
+    dynamic_linker='NetBSD ld.elf_so'
+  fi
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  ;;
+
+newsos6)
+  version_type=linux
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  ;;
+
+*nto* | *qnx*)
+  version_type=qnx
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  dynamic_linker='ldqnx.so'
+  ;;
+
+openbsd*)
+  version_type=sunos
+  sys_lib_dlsearch_path_spec="/usr/lib"
+  need_lib_prefix=no
+  # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs.
+  case $host_os in
+    openbsd3.3 | openbsd3.3.*)	need_version=yes ;;
+    *)				need_version=no  ;;
+  esac
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+    case $host_os in
+      openbsd2.[89] | openbsd2.[89].*)
+	shlibpath_overrides_runpath=no
+	;;
+      *)
+	shlibpath_overrides_runpath=yes
+	;;
+      esac
+  else
+    shlibpath_overrides_runpath=yes
+  fi
+  ;;
+
+os2*)
+  libname_spec='$name'
+  shrext_cmds=".dll"
+  need_lib_prefix=no
+  library_names_spec='$libname${shared_ext} $libname.a'
+  dynamic_linker='OS/2 ld.exe'
+  shlibpath_var=LIBPATH
+  ;;
+
+osf3* | osf4* | osf5*)
+  version_type=osf
+  need_lib_prefix=no
+  need_version=no
+  soname_spec='${libname}${release}${shared_ext}$major'
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  shlibpath_var=LD_LIBRARY_PATH
+  sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
+  sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
+  ;;
+
+rdos*)
+  dynamic_linker=no
+  ;;
+
+solaris*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  # ldd complains unless libraries are executable
+  postinstall_cmds='chmod +x $lib'
+  ;;
+
+sunos4*)
+  version_type=sunos
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+  finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  if test "$with_gnu_ld" = yes; then
+    need_lib_prefix=no
+  fi
+  need_version=yes
+  ;;
+
+sysv4 | sysv4.3*)
+  version_type=linux
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  case $host_vendor in
+    sni)
+      shlibpath_overrides_runpath=no
+      need_lib_prefix=no
+      runpath_var=LD_RUN_PATH
+      ;;
+    siemens)
+      need_lib_prefix=no
+      ;;
+    motorola)
+      need_lib_prefix=no
+      need_version=no
+      shlibpath_overrides_runpath=no
+      sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
+      ;;
+  esac
+  ;;
+
+sysv4*MP*)
+  if test -d /usr/nec ;then
+    version_type=linux
+    library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}'
+    soname_spec='$libname${shared_ext}.$major'
+    shlibpath_var=LD_LIBRARY_PATH
+  fi
+  ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+  version_type=freebsd-elf
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  if test "$with_gnu_ld" = yes; then
+    sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib'
+  else
+    sys_lib_search_path_spec='/usr/ccs/lib /usr/lib'
+    case $host_os in
+      sco3.2v5*)
+        sys_lib_search_path_spec="$sys_lib_search_path_spec /lib"
+	;;
+    esac
+  fi
+  sys_lib_dlsearch_path_spec='/usr/lib'
+  ;;
+
+tpf*)
+  # TPF is a cross-target only.  Preferred cross-host = GNU/Linux.
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_name_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  ;;
+
+uts4*)
+  version_type=linux
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  ;;
+
+*)
+  dynamic_linker=no
+  ;;
+esac
+{ $as_echo "$as_me:$LINENO: result: $dynamic_linker" >&5
+$as_echo "$dynamic_linker" >&6; }
+test "$dynamic_linker" = no && can_build_shared=no
+
+variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
+if test "$GCC" = yes; then
+  variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
+fi
+
+if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then
+  sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec"
+fi
+if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then
+  sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec"
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+  { $as_echo "$as_me:$LINENO: checking how to hardcode library paths into programs" >&5
+$as_echo_n "checking how to hardcode library paths into programs... " >&6; }
+hardcode_action=
+if test -n "$hardcode_libdir_flag_spec" ||
+   test -n "$runpath_var" ||
+   test "X$hardcode_automatic" = "Xyes" ; then
+
+  # We can hardcode non-existent directories.
+  if test "$hardcode_direct" != no &&
+     # If the only mechanism to avoid hardcoding is shlibpath_var, we
+     # have to relink, otherwise we might link with an installed library
+     # when we should be linking with a yet-to-be-installed one
+     ## test "$_LT_TAGVAR(hardcode_shlibpath_var, )" != no &&
+     test "$hardcode_minus_L" != no; then
+    # Linking always hardcodes the temporary library directory.
+    hardcode_action=relink
+  else
+    # We can link without hardcoding, and we can hardcode nonexisting dirs.
+    hardcode_action=immediate
+  fi
+else
+  # We cannot hardcode anything, or else we can only hardcode existing
+  # directories.
+  hardcode_action=unsupported
+fi
+{ $as_echo "$as_me:$LINENO: result: $hardcode_action" >&5
+$as_echo "$hardcode_action" >&6; }
+
+if test "$hardcode_action" = relink ||
+   test "$inherit_rpath" = yes; then
+  # Fast installation is not supported
+  enable_fast_install=no
+elif test "$shlibpath_overrides_runpath" = yes ||
+     test "$enable_shared" = no; then
+  # Fast installation is not necessary
+  enable_fast_install=needless
+fi
+
+
+
+
+
+
+  if test "x$enable_dlopen" != xyes; then
+  enable_dlopen=unknown
+  enable_dlopen_self=unknown
+  enable_dlopen_self_static=unknown
+else
+  lt_cv_dlopen=no
+  lt_cv_dlopen_libs=
+
+  case $host_os in
+  beos*)
+    lt_cv_dlopen="load_add_on"
+    lt_cv_dlopen_libs=
+    lt_cv_dlopen_self=yes
+    ;;
+
+  mingw* | pw32*)
+    lt_cv_dlopen="LoadLibrary"
+    lt_cv_dlopen_libs=
+    ;;
+
+  cygwin*)
+    lt_cv_dlopen="dlopen"
+    lt_cv_dlopen_libs=
+    ;;
+
+  darwin*)
+  # if libdl is installed we need to link against it
+    { $as_echo "$as_me:$LINENO: checking for dlopen in -ldl" >&5
+$as_echo_n "checking for dlopen in -ldl... " >&6; }
+if test "${ac_cv_lib_dl_dlopen+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldl  $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlopen ();
+int
+main ()
+{
+return dlopen ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  ac_cv_lib_dl_dlopen=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_dl_dlopen=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_dl_dlopen" >&5
+$as_echo "$ac_cv_lib_dl_dlopen" >&6; }
+if test $ac_cv_lib_dl_dlopen = yes; then
+  lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"
+else
+
+    lt_cv_dlopen="dyld"
+    lt_cv_dlopen_libs=
+    lt_cv_dlopen_self=yes
+
+fi
+
+    ;;
+
+  *)
+    { $as_echo "$as_me:$LINENO: checking for shl_load" >&5
+$as_echo_n "checking for shl_load... " >&6; }
+if test "${ac_cv_func_shl_load+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define shl_load to an innocuous variant, in case <limits.h> declares shl_load.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define shl_load innocuous_shl_load
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char shl_load (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef shl_load
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char shl_load ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_shl_load || defined __stub___shl_load
+choke me
+#endif
+
+int
+main ()
+{
+return shl_load ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  ac_cv_func_shl_load=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_func_shl_load=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_shl_load" >&5
+$as_echo "$ac_cv_func_shl_load" >&6; }
+if test $ac_cv_func_shl_load = yes; then
+  lt_cv_dlopen="shl_load"
+else
+  { $as_echo "$as_me:$LINENO: checking for shl_load in -ldld" >&5
+$as_echo_n "checking for shl_load in -ldld... " >&6; }
+if test "${ac_cv_lib_dld_shl_load+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldld  $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char shl_load ();
+int
+main ()
+{
+return shl_load ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  ac_cv_lib_dld_shl_load=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_dld_shl_load=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_dld_shl_load" >&5
+$as_echo "$ac_cv_lib_dld_shl_load" >&6; }
+if test $ac_cv_lib_dld_shl_load = yes; then
+  lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"
+else
+  { $as_echo "$as_me:$LINENO: checking for dlopen" >&5
+$as_echo_n "checking for dlopen... " >&6; }
+if test "${ac_cv_func_dlopen+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define dlopen to an innocuous variant, in case <limits.h> declares dlopen.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define dlopen innocuous_dlopen
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char dlopen (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef dlopen
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlopen ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_dlopen || defined __stub___dlopen
+choke me
+#endif
+
+int
+main ()
+{
+return dlopen ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  ac_cv_func_dlopen=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_func_dlopen=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_dlopen" >&5
+$as_echo "$ac_cv_func_dlopen" >&6; }
+if test $ac_cv_func_dlopen = yes; then
+  lt_cv_dlopen="dlopen"
+else
+  { $as_echo "$as_me:$LINENO: checking for dlopen in -ldl" >&5
+$as_echo_n "checking for dlopen in -ldl... " >&6; }
+if test "${ac_cv_lib_dl_dlopen+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldl  $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlopen ();
+int
+main ()
+{
+return dlopen ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  ac_cv_lib_dl_dlopen=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_dl_dlopen=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_dl_dlopen" >&5
+$as_echo "$ac_cv_lib_dl_dlopen" >&6; }
+if test $ac_cv_lib_dl_dlopen = yes; then
+  lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"
+else
+  { $as_echo "$as_me:$LINENO: checking for dlopen in -lsvld" >&5
+$as_echo_n "checking for dlopen in -lsvld... " >&6; }
+if test "${ac_cv_lib_svld_dlopen+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lsvld  $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlopen ();
+int
+main ()
+{
+return dlopen ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  ac_cv_lib_svld_dlopen=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_svld_dlopen=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_svld_dlopen" >&5
+$as_echo "$ac_cv_lib_svld_dlopen" >&6; }
+if test $ac_cv_lib_svld_dlopen = yes; then
+  lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"
+else
+  { $as_echo "$as_me:$LINENO: checking for dld_link in -ldld" >&5
+$as_echo_n "checking for dld_link in -ldld... " >&6; }
+if test "${ac_cv_lib_dld_dld_link+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldld  $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dld_link ();
+int
+main ()
+{
+return dld_link ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  ac_cv_lib_dld_dld_link=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_dld_dld_link=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_dld_dld_link" >&5
+$as_echo "$ac_cv_lib_dld_dld_link" >&6; }
+if test $ac_cv_lib_dld_dld_link = yes; then
+  lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"
+fi
+
+
+fi
+
+
+fi
+
+
+fi
+
+
+fi
+
+
+fi
+
+    ;;
+  esac
+
+  if test "x$lt_cv_dlopen" != xno; then
+    enable_dlopen=yes
+  else
+    enable_dlopen=no
+  fi
+
+  case $lt_cv_dlopen in
+  dlopen)
+    save_CPPFLAGS="$CPPFLAGS"
+    test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
+
+    save_LDFLAGS="$LDFLAGS"
+    wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
+
+    save_LIBS="$LIBS"
+    LIBS="$lt_cv_dlopen_libs $LIBS"
+
+    { $as_echo "$as_me:$LINENO: checking whether a program can dlopen itself" >&5
+$as_echo_n "checking whether a program can dlopen itself... " >&6; }
+if test "${lt_cv_dlopen_self+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  	  if test "$cross_compiling" = yes; then :
+  lt_cv_dlopen_self=cross
+else
+  lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
+  lt_status=$lt_dlunknown
+  cat > conftest.$ac_ext <<_LT_EOF
+#line 12351 "configure"
+#include "confdefs.h"
+
+#if HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+
+#include <stdio.h>
+
+#ifdef RTLD_GLOBAL
+#  define LT_DLGLOBAL		RTLD_GLOBAL
+#else
+#  ifdef DL_GLOBAL
+#    define LT_DLGLOBAL		DL_GLOBAL
+#  else
+#    define LT_DLGLOBAL		0
+#  endif
+#endif
+
+/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
+   find out it does not work in some platform. */
+#ifndef LT_DLLAZY_OR_NOW
+#  ifdef RTLD_LAZY
+#    define LT_DLLAZY_OR_NOW		RTLD_LAZY
+#  else
+#    ifdef DL_LAZY
+#      define LT_DLLAZY_OR_NOW		DL_LAZY
+#    else
+#      ifdef RTLD_NOW
+#        define LT_DLLAZY_OR_NOW	RTLD_NOW
+#      else
+#        ifdef DL_NOW
+#          define LT_DLLAZY_OR_NOW	DL_NOW
+#        else
+#          define LT_DLLAZY_OR_NOW	0
+#        endif
+#      endif
+#    endif
+#  endif
+#endif
+
+#ifdef __cplusplus
+extern "C" void exit (int);
+#endif
+
+void fnord() { int i=42;}
+int main ()
+{
+  void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
+  int status = $lt_dlunknown;
+
+  if (self)
+    {
+      if (dlsym (self,"fnord"))       status = $lt_dlno_uscore;
+      else if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore;
+      /* dlclose (self); */
+    }
+  else
+    puts (dlerror ());
+
+    exit (status);
+}
+_LT_EOF
+  if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && test -s conftest${ac_exeext} 2>/dev/null; then
+    (./conftest; exit; ) >&5 2>/dev/null
+    lt_status=$?
+    case x$lt_status in
+      x$lt_dlno_uscore) lt_cv_dlopen_self=yes ;;
+      x$lt_dlneed_uscore) lt_cv_dlopen_self=yes ;;
+      x$lt_dlunknown|x*) lt_cv_dlopen_self=no ;;
+    esac
+  else :
+    # compilation failed
+    lt_cv_dlopen_self=no
+  fi
+fi
+rm -fr conftest*
+
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $lt_cv_dlopen_self" >&5
+$as_echo "$lt_cv_dlopen_self" >&6; }
+
+    if test "x$lt_cv_dlopen_self" = xyes; then
+      wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\"
+      { $as_echo "$as_me:$LINENO: checking whether a statically linked program can dlopen itself" >&5
+$as_echo_n "checking whether a statically linked program can dlopen itself... " >&6; }
+if test "${lt_cv_dlopen_self_static+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  	  if test "$cross_compiling" = yes; then :
+  lt_cv_dlopen_self_static=cross
+else
+  lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
+  lt_status=$lt_dlunknown
+  cat > conftest.$ac_ext <<_LT_EOF
+#line 12451 "configure"
+#include "confdefs.h"
+
+#if HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+
+#include <stdio.h>
+
+#ifdef RTLD_GLOBAL
+#  define LT_DLGLOBAL		RTLD_GLOBAL
+#else
+#  ifdef DL_GLOBAL
+#    define LT_DLGLOBAL		DL_GLOBAL
+#  else
+#    define LT_DLGLOBAL		0
+#  endif
+#endif
+
+/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
+   find out it does not work in some platform. */
+#ifndef LT_DLLAZY_OR_NOW
+#  ifdef RTLD_LAZY
+#    define LT_DLLAZY_OR_NOW		RTLD_LAZY
+#  else
+#    ifdef DL_LAZY
+#      define LT_DLLAZY_OR_NOW		DL_LAZY
+#    else
+#      ifdef RTLD_NOW
+#        define LT_DLLAZY_OR_NOW	RTLD_NOW
+#      else
+#        ifdef DL_NOW
+#          define LT_DLLAZY_OR_NOW	DL_NOW
+#        else
+#          define LT_DLLAZY_OR_NOW	0
+#        endif
+#      endif
+#    endif
+#  endif
+#endif
+
+#ifdef __cplusplus
+extern "C" void exit (int);
+#endif
+
+void fnord() { int i=42;}
+int main ()
+{
+  void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
+  int status = $lt_dlunknown;
+
+  if (self)
+    {
+      if (dlsym (self,"fnord"))       status = $lt_dlno_uscore;
+      else if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore;
+      /* dlclose (self); */
+    }
+  else
+    puts (dlerror ());
+
+    exit (status);
+}
+_LT_EOF
+  if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && test -s conftest${ac_exeext} 2>/dev/null; then
+    (./conftest; exit; ) >&5 2>/dev/null
+    lt_status=$?
+    case x$lt_status in
+      x$lt_dlno_uscore) lt_cv_dlopen_self_static=yes ;;
+      x$lt_dlneed_uscore) lt_cv_dlopen_self_static=yes ;;
+      x$lt_dlunknown|x*) lt_cv_dlopen_self_static=no ;;
+    esac
+  else :
+    # compilation failed
+    lt_cv_dlopen_self_static=no
+  fi
+fi
+rm -fr conftest*
+
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $lt_cv_dlopen_self_static" >&5
+$as_echo "$lt_cv_dlopen_self_static" >&6; }
+    fi
+
+    CPPFLAGS="$save_CPPFLAGS"
+    LDFLAGS="$save_LDFLAGS"
+    LIBS="$save_LIBS"
+    ;;
+  esac
+
+  case $lt_cv_dlopen_self in
+  yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
+  *) enable_dlopen_self=unknown ;;
+  esac
+
+  case $lt_cv_dlopen_self_static in
+  yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
+  *) enable_dlopen_self_static=unknown ;;
+  esac
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+striplib=
+old_striplib=
+{ $as_echo "$as_me:$LINENO: checking whether stripping libraries is possible" >&5
+$as_echo_n "checking whether stripping libraries is possible... " >&6; }
+if test -n "$STRIP" && $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then
+  test -z "$old_striplib" && old_striplib="$STRIP --strip-debug"
+  test -z "$striplib" && striplib="$STRIP --strip-unneeded"
+  { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+else
+# FIXME - insert some real tests, host_os isn't really good enough
+  case $host_os in
+  darwin*)
+    if test -n "$STRIP" ; then
+      striplib="$STRIP -x"
+      old_striplib="$STRIP -S"
+      { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+    else
+      { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+    fi
+    ;;
+  *)
+    { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+    ;;
+  esac
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+  # Report which library types will actually be built
+  { $as_echo "$as_me:$LINENO: checking if libtool supports shared libraries" >&5
+$as_echo_n "checking if libtool supports shared libraries... " >&6; }
+  { $as_echo "$as_me:$LINENO: result: $can_build_shared" >&5
+$as_echo "$can_build_shared" >&6; }
+
+  { $as_echo "$as_me:$LINENO: checking whether to build shared libraries" >&5
+$as_echo_n "checking whether to build shared libraries... " >&6; }
+  test "$can_build_shared" = "no" && enable_shared=no
+
+  # On AIX, shared libraries and static libraries use the same namespace, and
+  # are all built from PIC.
+  case $host_os in
+  aix3*)
+    test "$enable_shared" = yes && enable_static=no
+    if test -n "$RANLIB"; then
+      archive_cmds="$archive_cmds~\$RANLIB \$lib"
+      postinstall_cmds='$RANLIB $lib'
+    fi
+    ;;
+
+  aix[4-9]*)
+    if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
+      test "$enable_shared" = yes && enable_static=no
+    fi
+    ;;
+  esac
+  { $as_echo "$as_me:$LINENO: result: $enable_shared" >&5
+$as_echo "$enable_shared" >&6; }
+
+  { $as_echo "$as_me:$LINENO: checking whether to build static libraries" >&5
+$as_echo_n "checking whether to build static libraries... " >&6; }
+  # Make sure either enable_shared or enable_static is yes.
+  test "$enable_shared" = yes || enable_static=yes
+  { $as_echo "$as_me:$LINENO: result: $enable_static" >&5
+$as_echo "$enable_static" >&6; }
+
+
+
+
+fi
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+CC="$lt_save_CC"
+
+
+
+      ac_ext=f
+ac_compile='$F77 -c $FFLAGS conftest.$ac_ext >&5'
+ac_link='$F77 -o conftest$ac_exeext $FFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_f77_compiler_gnu
+
+
+archive_cmds_need_lc_F77=no
+allow_undefined_flag_F77=
+always_export_symbols_F77=no
+archive_expsym_cmds_F77=
+export_dynamic_flag_spec_F77=
+hardcode_direct_F77=no
+hardcode_direct_absolute_F77=no
+hardcode_libdir_flag_spec_F77=
+hardcode_libdir_flag_spec_ld_F77=
+hardcode_libdir_separator_F77=
+hardcode_minus_L_F77=no
+hardcode_automatic_F77=no
+inherit_rpath_F77=no
+module_cmds_F77=
+module_expsym_cmds_F77=
+link_all_deplibs_F77=unknown
+old_archive_cmds_F77=$old_archive_cmds
+no_undefined_flag_F77=
+whole_archive_flag_spec_F77=
+enable_shared_with_static_runtimes_F77=no
+
+# Source file extension for f77 test sources.
+ac_ext=f
+
+# Object file extension for compiled f77 test sources.
+objext=o
+objext_F77=$objext
+
+# No sense in running all these tests if we already determined that
+# the F77 compiler isn't working.  Some variables (like enable_shared)
+# are currently assumed to apply to all compilers on this platform,
+# and will be corrupted by setting them based on a non-working compiler.
+if test "$_lt_disable_F77" != yes; then
+  # Code to be used in simple compile tests
+  lt_simple_compile_test_code="\
+      subroutine t
+      return
+      end
+"
+
+  # Code to be used in simple link tests
+  lt_simple_link_test_code="\
+      program t
+      end
+"
+
+  # ltmain only uses $CC for tagged configurations so make sure $CC is set.
+
+
+
+
+
+
+# If no C compiler was specified, use CC.
+LTCC=${LTCC-"$CC"}
+
+# If no C compiler flags were specified, use CFLAGS.
+LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
+
+# Allow CC to be a program name with arguments.
+compiler=$CC
+
+
+  # save warnings/boilerplate of simple test code
+  ac_outfile=conftest.$ac_objext
+echo "$lt_simple_compile_test_code" >conftest.$ac_ext
+eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_compiler_boilerplate=`cat conftest.err`
+$RM conftest*
+
+  ac_outfile=conftest.$ac_objext
+echo "$lt_simple_link_test_code" >conftest.$ac_ext
+eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_linker_boilerplate=`cat conftest.err`
+$RM -r conftest*
+
+
+  # Allow CC to be a program name with arguments.
+  lt_save_CC="$CC"
+  lt_save_GCC=$GCC
+  CC=${F77-"f77"}
+  compiler=$CC
+  compiler_F77=$CC
+  for cc_temp in $compiler""; do
+  case $cc_temp in
+    compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
+    distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
+    \-*) ;;
+    *) break;;
+  esac
+done
+cc_basename=`$ECHO "X$cc_temp" | $Xsed -e 's%.*/%%' -e "s%^$host_alias-%%"`
+
+  GCC=$G77
+  if test -n "$compiler"; then
+    { $as_echo "$as_me:$LINENO: checking if libtool supports shared libraries" >&5
+$as_echo_n "checking if libtool supports shared libraries... " >&6; }
+    { $as_echo "$as_me:$LINENO: result: $can_build_shared" >&5
+$as_echo "$can_build_shared" >&6; }
+
+    { $as_echo "$as_me:$LINENO: checking whether to build shared libraries" >&5
+$as_echo_n "checking whether to build shared libraries... " >&6; }
+    test "$can_build_shared" = "no" && enable_shared=no
+
+    # On AIX, shared libraries and static libraries use the same namespace, and
+    # are all built from PIC.
+    case $host_os in
+      aix3*)
+        test "$enable_shared" = yes && enable_static=no
+        if test -n "$RANLIB"; then
+          archive_cmds="$archive_cmds~\$RANLIB \$lib"
+          postinstall_cmds='$RANLIB $lib'
+        fi
+        ;;
+      aix[4-9]*)
+	if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
+	  test "$enable_shared" = yes && enable_static=no
+	fi
+        ;;
+    esac
+    { $as_echo "$as_me:$LINENO: result: $enable_shared" >&5
+$as_echo "$enable_shared" >&6; }
+
+    { $as_echo "$as_me:$LINENO: checking whether to build static libraries" >&5
+$as_echo_n "checking whether to build static libraries... " >&6; }
+    # Make sure either enable_shared or enable_static is yes.
+    test "$enable_shared" = yes || enable_static=yes
+    { $as_echo "$as_me:$LINENO: result: $enable_static" >&5
+$as_echo "$enable_static" >&6; }
+
+    GCC_F77="$G77"
+    LD_F77="$LD"
+
+    ## CAVEAT EMPTOR:
+    ## There is no encapsulation within the following macros, do not change
+    ## the running order or otherwise move them around unless you know exactly
+    ## what you are doing...
+    lt_prog_compiler_wl_F77=
+lt_prog_compiler_pic_F77=
+lt_prog_compiler_static_F77=
+
+{ $as_echo "$as_me:$LINENO: checking for $compiler option to produce PIC" >&5
+$as_echo_n "checking for $compiler option to produce PIC... " >&6; }
+
+  if test "$GCC" = yes; then
+    lt_prog_compiler_wl_F77='-Wl,'
+    lt_prog_compiler_static_F77='-static'
+
+    case $host_os in
+      aix*)
+      # All AIX code is PIC.
+      if test "$host_cpu" = ia64; then
+	# AIX 5 now supports IA64 processor
+	lt_prog_compiler_static_F77='-Bstatic'
+      fi
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            lt_prog_compiler_pic_F77='-fPIC'
+        ;;
+      m68k)
+            # FIXME: we need at least 68020 code to build shared libraries, but
+            # adding the `-m68020' flag to GCC prevents building anything better,
+            # like `-m68040'.
+            lt_prog_compiler_pic_F77='-m68020 -resident32 -malways-restore-a4'
+        ;;
+      esac
+      ;;
+
+    beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
+      # PIC is the default for these OSes.
+      ;;
+
+    mingw* | cygwin* | pw32* | os2*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      # Although the cygwin gcc ignores -fPIC, still need this for old-style
+      # (--disable-auto-import) libraries
+      lt_prog_compiler_pic_F77='-DDLL_EXPORT'
+      ;;
+
+    darwin* | rhapsody*)
+      # PIC is the default on this platform
+      # Common symbols not allowed in MH_DYLIB files
+      lt_prog_compiler_pic_F77='-fno-common'
+      ;;
+
+    hpux*)
+      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+      # not for PA HP-UX.
+      case $host_cpu in
+      hppa*64*|ia64*)
+	# +Z the default
+	;;
+      *)
+	lt_prog_compiler_pic_F77='-fPIC'
+	;;
+      esac
+      ;;
+
+    interix[3-9]*)
+      # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+      # Instead, we relocate shared libraries at runtime.
+      ;;
+
+    msdosdjgpp*)
+      # Just because we use GCC doesn't mean we suddenly get shared libraries
+      # on systems that don't support them.
+      lt_prog_compiler_can_build_shared_F77=no
+      enable_shared=no
+      ;;
+
+    *nto* | *qnx*)
+      # QNX uses GNU C++, but need to define -shared option too, otherwise
+      # it will coredump.
+      lt_prog_compiler_pic_F77='-fPIC -shared'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	lt_prog_compiler_pic_F77=-Kconform_pic
+      fi
+      ;;
+
+    *)
+      lt_prog_compiler_pic_F77='-fPIC'
+      ;;
+    esac
+  else
+    # PORTME Check for flag to pass linker flags through the system compiler.
+    case $host_os in
+    aix*)
+      lt_prog_compiler_wl_F77='-Wl,'
+      if test "$host_cpu" = ia64; then
+	# AIX 5 now supports IA64 processor
+	lt_prog_compiler_static_F77='-Bstatic'
+      else
+	lt_prog_compiler_static_F77='-bnso -bI:/lib/syscalls.exp'
+      fi
+      ;;
+
+    mingw* | cygwin* | pw32* | os2*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      lt_prog_compiler_pic_F77='-DDLL_EXPORT'
+      ;;
+
+    hpux9* | hpux10* | hpux11*)
+      lt_prog_compiler_wl_F77='-Wl,'
+      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+      # not for PA HP-UX.
+      case $host_cpu in
+      hppa*64*|ia64*)
+	# +Z the default
+	;;
+      *)
+	lt_prog_compiler_pic_F77='+Z'
+	;;
+      esac
+      # Is there a better lt_prog_compiler_static that works with the bundled CC?
+      lt_prog_compiler_static_F77='${wl}-a ${wl}archive'
+      ;;
+
+    irix5* | irix6* | nonstopux*)
+      lt_prog_compiler_wl_F77='-Wl,'
+      # PIC (with -KPIC) is the default.
+      lt_prog_compiler_static_F77='-non_shared'
+      ;;
+
+    linux* | k*bsd*-gnu)
+      case $cc_basename in
+      icc* | ecc* | ifort*)
+	lt_prog_compiler_wl_F77='-Wl,'
+	lt_prog_compiler_pic_F77='-KPIC'
+	lt_prog_compiler_static_F77='-static'
+        ;;
+      pgcc* | pgf77* | pgf90* | pgf95*)
+        # Portland Group compilers (*not* the Pentium gcc compiler,
+	# which looks to be a dead project)
+	lt_prog_compiler_wl_F77='-Wl,'
+	lt_prog_compiler_pic_F77='-fpic'
+	lt_prog_compiler_static_F77='-Bstatic'
+        ;;
+      ccc*)
+        lt_prog_compiler_wl_F77='-Wl,'
+        # All Alpha code is PIC.
+        lt_prog_compiler_static_F77='-non_shared'
+        ;;
+      xl*)
+	# IBM XL C 8.0/Fortran 10.1 on PPC
+	lt_prog_compiler_wl_F77='-Wl,'
+	lt_prog_compiler_pic_F77='-qpic'
+	lt_prog_compiler_static_F77='-qstaticlink'
+	;;
+      *)
+	case `$CC -V 2>&1 | sed 5q` in
+	*Sun\ C*)
+	  # Sun C 5.9
+	  lt_prog_compiler_pic_F77='-KPIC'
+	  lt_prog_compiler_static_F77='-Bstatic'
+	  lt_prog_compiler_wl_F77='-Wl,'
+	  ;;
+	*Sun\ F*)
+	  # Sun Fortran 8.3 passes all unrecognized flags to the linker
+	  lt_prog_compiler_pic_F77='-KPIC'
+	  lt_prog_compiler_static_F77='-Bstatic'
+	  lt_prog_compiler_wl_F77=''
+	  ;;
+	esac
+	;;
+      esac
+      ;;
+
+    newsos6)
+      lt_prog_compiler_pic_F77='-KPIC'
+      lt_prog_compiler_static_F77='-Bstatic'
+      ;;
+
+    *nto* | *qnx*)
+      # QNX uses GNU C++, but need to define -shared option too, otherwise
+      # it will coredump.
+      lt_prog_compiler_pic_F77='-fPIC -shared'
+      ;;
+
+    osf3* | osf4* | osf5*)
+      lt_prog_compiler_wl_F77='-Wl,'
+      # All OSF/1 code is PIC.
+      lt_prog_compiler_static_F77='-non_shared'
+      ;;
+
+    rdos*)
+      lt_prog_compiler_static_F77='-non_shared'
+      ;;
+
+    solaris*)
+      lt_prog_compiler_pic_F77='-KPIC'
+      lt_prog_compiler_static_F77='-Bstatic'
+      case $cc_basename in
+      f77* | f90* | f95*)
+	lt_prog_compiler_wl_F77='-Qoption ld ';;
+      *)
+	lt_prog_compiler_wl_F77='-Wl,';;
+      esac
+      ;;
+
+    sunos4*)
+      lt_prog_compiler_wl_F77='-Qoption ld '
+      lt_prog_compiler_pic_F77='-PIC'
+      lt_prog_compiler_static_F77='-Bstatic'
+      ;;
+
+    sysv4 | sysv4.2uw2* | sysv4.3*)
+      lt_prog_compiler_wl_F77='-Wl,'
+      lt_prog_compiler_pic_F77='-KPIC'
+      lt_prog_compiler_static_F77='-Bstatic'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec ;then
+	lt_prog_compiler_pic_F77='-Kconform_pic'
+	lt_prog_compiler_static_F77='-Bstatic'
+      fi
+      ;;
+
+    sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
+      lt_prog_compiler_wl_F77='-Wl,'
+      lt_prog_compiler_pic_F77='-KPIC'
+      lt_prog_compiler_static_F77='-Bstatic'
+      ;;
+
+    unicos*)
+      lt_prog_compiler_wl_F77='-Wl,'
+      lt_prog_compiler_can_build_shared_F77=no
+      ;;
+
+    uts4*)
+      lt_prog_compiler_pic_F77='-pic'
+      lt_prog_compiler_static_F77='-Bstatic'
+      ;;
+
+    *)
+      lt_prog_compiler_can_build_shared_F77=no
+      ;;
+    esac
+  fi
+
+case $host_os in
+  # For platforms which do not support PIC, -DPIC is meaningless:
+  *djgpp*)
+    lt_prog_compiler_pic_F77=
+    ;;
+  *)
+    lt_prog_compiler_pic_F77="$lt_prog_compiler_pic_F77"
+    ;;
+esac
+{ $as_echo "$as_me:$LINENO: result: $lt_prog_compiler_pic_F77" >&5
+$as_echo "$lt_prog_compiler_pic_F77" >&6; }
+
+
+
+#
+# Check to make sure the PIC flag actually works.
+#
+if test -n "$lt_prog_compiler_pic_F77"; then
+  { $as_echo "$as_me:$LINENO: checking if $compiler PIC flag $lt_prog_compiler_pic_F77 works" >&5
+$as_echo_n "checking if $compiler PIC flag $lt_prog_compiler_pic_F77 works... " >&6; }
+if test "${lt_cv_prog_compiler_pic_works_F77+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_prog_compiler_pic_works_F77=no
+   ac_outfile=conftest.$ac_objext
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+   lt_compiler_flag="$lt_prog_compiler_pic_F77"
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   # The option is referenced via a variable to avoid confusing sed.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:13095: $lt_compile\"" >&5)
+   (eval "$lt_compile" 2>conftest.err)
+   ac_status=$?
+   cat conftest.err >&5
+   echo "$as_me:13099: \$? = $ac_status" >&5
+   if (exit $ac_status) && test -s "$ac_outfile"; then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings other than the usual output.
+     $ECHO "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' >conftest.exp
+     $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+     if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
+       lt_cv_prog_compiler_pic_works_F77=yes
+     fi
+   fi
+   $RM conftest*
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_pic_works_F77" >&5
+$as_echo "$lt_cv_prog_compiler_pic_works_F77" >&6; }
+
+if test x"$lt_cv_prog_compiler_pic_works_F77" = xyes; then
+    case $lt_prog_compiler_pic_F77 in
+     "" | " "*) ;;
+     *) lt_prog_compiler_pic_F77=" $lt_prog_compiler_pic_F77" ;;
+     esac
+else
+    lt_prog_compiler_pic_F77=
+     lt_prog_compiler_can_build_shared_F77=no
+fi
+
+fi
+
+
+
+#
+# Check to make sure the static flag actually works.
+#
+wl=$lt_prog_compiler_wl_F77 eval lt_tmp_static_flag=\"$lt_prog_compiler_static_F77\"
+{ $as_echo "$as_me:$LINENO: checking if $compiler static flag $lt_tmp_static_flag works" >&5
+$as_echo_n "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; }
+if test "${lt_cv_prog_compiler_static_works_F77+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_prog_compiler_static_works_F77=no
+   save_LDFLAGS="$LDFLAGS"
+   LDFLAGS="$LDFLAGS $lt_tmp_static_flag"
+   echo "$lt_simple_link_test_code" > conftest.$ac_ext
+   if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
+     # The linker can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     if test -s conftest.err; then
+       # Append any errors to the config.log.
+       cat conftest.err 1>&5
+       $ECHO "X$_lt_linker_boilerplate" | $Xsed -e '/^$/d' > conftest.exp
+       $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+       if diff conftest.exp conftest.er2 >/dev/null; then
+         lt_cv_prog_compiler_static_works_F77=yes
+       fi
+     else
+       lt_cv_prog_compiler_static_works_F77=yes
+     fi
+   fi
+   $RM -r conftest*
+   LDFLAGS="$save_LDFLAGS"
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_static_works_F77" >&5
+$as_echo "$lt_cv_prog_compiler_static_works_F77" >&6; }
+
+if test x"$lt_cv_prog_compiler_static_works_F77" = xyes; then
+    :
+else
+    lt_prog_compiler_static_F77=
+fi
+
+
+
+
+    { $as_echo "$as_me:$LINENO: checking if $compiler supports -c -o file.$ac_objext" >&5
+$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
+if test "${lt_cv_prog_compiler_c_o_F77+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_prog_compiler_c_o_F77=no
+   $RM -r conftest 2>/dev/null
+   mkdir conftest
+   cd conftest
+   mkdir out
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+   lt_compiler_flag="-o out/conftest2.$ac_objext"
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:13194: $lt_compile\"" >&5)
+   (eval "$lt_compile" 2>out/conftest.err)
+   ac_status=$?
+   cat out/conftest.err >&5
+   echo "$as_me:13198: \$? = $ac_status" >&5
+   if (exit $ac_status) && test -s out/conftest2.$ac_objext
+   then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     $ECHO "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' > out/conftest.exp
+     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
+     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
+       lt_cv_prog_compiler_c_o_F77=yes
+     fi
+   fi
+   chmod u+w . 2>&5
+   $RM conftest*
+   # SGI C++ compiler will create directory out/ii_files/ for
+   # template instantiation
+   test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
+   $RM out/* && rmdir out
+   cd ..
+   $RM -r conftest
+   $RM conftest*
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_c_o_F77" >&5
+$as_echo "$lt_cv_prog_compiler_c_o_F77" >&6; }
+
+
+
+    { $as_echo "$as_me:$LINENO: checking if $compiler supports -c -o file.$ac_objext" >&5
+$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
+if test "${lt_cv_prog_compiler_c_o_F77+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_prog_compiler_c_o_F77=no
+   $RM -r conftest 2>/dev/null
+   mkdir conftest
+   cd conftest
+   mkdir out
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+   lt_compiler_flag="-o out/conftest2.$ac_objext"
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:13246: $lt_compile\"" >&5)
+   (eval "$lt_compile" 2>out/conftest.err)
+   ac_status=$?
+   cat out/conftest.err >&5
+   echo "$as_me:13250: \$? = $ac_status" >&5
+   if (exit $ac_status) && test -s out/conftest2.$ac_objext
+   then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     $ECHO "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' > out/conftest.exp
+     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
+     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
+       lt_cv_prog_compiler_c_o_F77=yes
+     fi
+   fi
+   chmod u+w . 2>&5
+   $RM conftest*
+   # SGI C++ compiler will create directory out/ii_files/ for
+   # template instantiation
+   test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
+   $RM out/* && rmdir out
+   cd ..
+   $RM -r conftest
+   $RM conftest*
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_c_o_F77" >&5
+$as_echo "$lt_cv_prog_compiler_c_o_F77" >&6; }
+
+
+
+
+hard_links="nottested"
+if test "$lt_cv_prog_compiler_c_o_F77" = no && test "$need_locks" != no; then
+  # do not overwrite the value of need_locks provided by the user
+  { $as_echo "$as_me:$LINENO: checking if we can lock with hard links" >&5
+$as_echo_n "checking if we can lock with hard links... " >&6; }
+  hard_links=yes
+  $RM conftest*
+  ln conftest.a conftest.b 2>/dev/null && hard_links=no
+  touch conftest.a
+  ln conftest.a conftest.b 2>&5 || hard_links=no
+  ln conftest.a conftest.b 2>/dev/null && hard_links=no
+  { $as_echo "$as_me:$LINENO: result: $hard_links" >&5
+$as_echo "$hard_links" >&6; }
+  if test "$hard_links" = no; then
+    { $as_echo "$as_me:$LINENO: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&5
+$as_echo "$as_me: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2;}
+    need_locks=warn
+  fi
+else
+  need_locks=no
+fi
+
+
+
+    { $as_echo "$as_me:$LINENO: checking whether the $compiler linker ($LD) supports shared libraries" >&5
+$as_echo_n "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; }
+
+  runpath_var=
+  allow_undefined_flag_F77=
+  always_export_symbols_F77=no
+  archive_cmds_F77=
+  archive_expsym_cmds_F77=
+  compiler_needs_object_F77=no
+  enable_shared_with_static_runtimes_F77=no
+  export_dynamic_flag_spec_F77=
+  export_symbols_cmds_F77='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+  hardcode_automatic_F77=no
+  hardcode_direct_F77=no
+  hardcode_direct_absolute_F77=no
+  hardcode_libdir_flag_spec_F77=
+  hardcode_libdir_flag_spec_ld_F77=
+  hardcode_libdir_separator_F77=
+  hardcode_minus_L_F77=no
+  hardcode_shlibpath_var_F77=unsupported
+  inherit_rpath_F77=no
+  link_all_deplibs_F77=unknown
+  module_cmds_F77=
+  module_expsym_cmds_F77=
+  old_archive_from_new_cmds_F77=
+  old_archive_from_expsyms_cmds_F77=
+  thread_safe_flag_spec_F77=
+  whole_archive_flag_spec_F77=
+  # include_expsyms should be a list of space-separated symbols to be *always*
+  # included in the symbol list
+  include_expsyms_F77=
+  # exclude_expsyms can be an extended regexp of symbols to exclude
+  # it will be wrapped by ` (' and `)$', so one must not match beginning or
+  # end of line.  Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
+  # as well as any symbol that contains `d'.
+  exclude_expsyms_F77='_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'
+  # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
+  # platforms (ab)use it in PIC code, but their linkers get confused if
+  # the symbol is explicitly referenced.  Since portable code cannot
+  # rely on this symbol name, it's probably fine to never include it in
+  # preloaded symbol tables.
+  # Exclude shared library initialization/finalization symbols.
+  extract_expsyms_cmds=
+
+  case $host_os in
+  cygwin* | mingw* | pw32*)
+    # FIXME: the MSVC++ port hasn't been tested in a loooong time
+    # When not using gcc, we currently assume that we are using
+    # Microsoft Visual C++.
+    if test "$GCC" != yes; then
+      with_gnu_ld=no
+    fi
+    ;;
+  interix*)
+    # we just hope/assume this is gcc and not c89 (= MSVC++)
+    with_gnu_ld=yes
+    ;;
+  openbsd*)
+    with_gnu_ld=no
+    ;;
+  esac
+
+  ld_shlibs_F77=yes
+  if test "$with_gnu_ld" = yes; then
+    # If archive_cmds runs LD, not CC, wlarc should be empty
+    wlarc='${wl}'
+
+    # Set some defaults for GNU ld with shared library support. These
+    # are reset later if shared libraries are not supported. Putting them
+    # here allows them to be overridden if necessary.
+    runpath_var=LD_RUN_PATH
+    hardcode_libdir_flag_spec_F77='${wl}-rpath ${wl}$libdir'
+    export_dynamic_flag_spec_F77='${wl}--export-dynamic'
+    # ancient GNU ld didn't support --whole-archive et. al.
+    if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then
+      whole_archive_flag_spec_F77="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
+    else
+      whole_archive_flag_spec_F77=
+    fi
+    supports_anon_versioning=no
+    case `$LD -v 2>&1` in
+      *\ [01].* | *\ 2.[0-9].* | *\ 2.10.*) ;; # catch versions < 2.11
+      *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ...
+      *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ...
+      *\ 2.11.*) ;; # other 2.11 versions
+      *) supports_anon_versioning=yes ;;
+    esac
+
+    # See if GNU ld supports shared libraries.
+    case $host_os in
+    aix[3-9]*)
+      # On AIX/PPC, the GNU linker is very broken
+      if test "$host_cpu" != ia64; then
+	ld_shlibs_F77=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: the GNU linker, at least up to release 2.9.1, is reported
+*** to be unable to reliably create shared libraries on AIX.
+*** Therefore, libtool is disabling shared libraries support.  If you
+*** really care for shared libraries, you may want to modify your PATH
+*** so that a non-GNU linker is found, and then restart.
+
+_LT_EOF
+      fi
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            archive_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+            archive_expsym_cmds_F77=''
+        ;;
+      m68k)
+            archive_cmds_F77='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+            hardcode_libdir_flag_spec_F77='-L$libdir'
+            hardcode_minus_L_F77=yes
+        ;;
+      esac
+      ;;
+
+    beos*)
+      if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	allow_undefined_flag_F77=unsupported
+	# Joseph Beckenbach <jrb3 at best.com> says some releases of gcc
+	# support --undefined.  This deserves some investigation.  FIXME
+	archive_cmds_F77='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+      else
+	ld_shlibs_F77=no
+      fi
+      ;;
+
+    cygwin* | mingw* | pw32*)
+      # _LT_TAGVAR(hardcode_libdir_flag_spec, F77) is actually meaningless,
+      # as there is no search path for DLLs.
+      hardcode_libdir_flag_spec_F77='-L$libdir'
+      allow_undefined_flag_F77=unsupported
+      always_export_symbols_F77=no
+      enable_shared_with_static_runtimes_F77=yes
+      export_symbols_cmds_F77='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1 DATA/'\'' | $SED -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols'
+
+      if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then
+        archive_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+	# If the export-symbols file already is a .def file (1st line
+	# is EXPORTS), use it as is; otherwise, prepend...
+	archive_expsym_cmds_F77='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
+	  cp $export_symbols $output_objdir/$soname.def;
+	else
+	  echo EXPORTS > $output_objdir/$soname.def;
+	  cat $export_symbols >> $output_objdir/$soname.def;
+	fi~
+	$CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+      else
+	ld_shlibs_F77=no
+      fi
+      ;;
+
+    interix[3-9]*)
+      hardcode_direct_F77=no
+      hardcode_shlibpath_var_F77=no
+      hardcode_libdir_flag_spec_F77='${wl}-rpath,$libdir'
+      export_dynamic_flag_spec_F77='${wl}-E'
+      # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+      # Instead, shared libraries are loaded at an image base (0x10000000 by
+      # default) and relocated if they conflict, which is a slow very memory
+      # consuming and fragmenting process.  To avoid this, we pick a random,
+      # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+      # time.  Moving up from 0x10000000 also allows more sbrk(2) space.
+      archive_cmds_F77='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+      archive_expsym_cmds_F77='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+      ;;
+
+    gnu* | linux* | tpf* | k*bsd*-gnu)
+      tmp_diet=no
+      if test "$host_os" = linux-dietlibc; then
+	case $cc_basename in
+	  diet\ *) tmp_diet=yes;;	# linux-dietlibc with static linking (!diet-dyn)
+	esac
+      fi
+      if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
+	 && test "$tmp_diet" = no
+      then
+	tmp_addflag=
+	tmp_sharedflag='-shared'
+	case $cc_basename,$host_cpu in
+        pgcc*)				# Portland Group C compiler
+	  whole_archive_flag_spec_F77='${wl}--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $ECHO \"$new_convenience\"` ${wl}--no-whole-archive'
+	  tmp_addflag=' $pic_flag'
+	  ;;
+	pgf77* | pgf90* | pgf95*)	# Portland Group f77 and f90 compilers
+	  whole_archive_flag_spec_F77='${wl}--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $ECHO \"$new_convenience\"` ${wl}--no-whole-archive'
+	  tmp_addflag=' $pic_flag -Mnomain' ;;
+	ecc*,ia64* | icc*,ia64*)	# Intel C compiler on ia64
+	  tmp_addflag=' -i_dynamic' ;;
+	efc*,ia64* | ifort*,ia64*)	# Intel Fortran compiler on ia64
+	  tmp_addflag=' -i_dynamic -nofor_main' ;;
+	ifc* | ifort*)			# Intel Fortran compiler
+	  tmp_addflag=' -nofor_main' ;;
+	xl[cC]*)			# IBM XL C 8.0 on PPC (deal with xlf below)
+	  tmp_sharedflag='-qmkshrobj'
+	  tmp_addflag= ;;
+	esac
+	case `$CC -V 2>&1 | sed 5q` in
+	*Sun\ C*)			# Sun C 5.9
+	  whole_archive_flag_spec_F77='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; $ECHO \"$new_convenience\"` ${wl}--no-whole-archive'
+	  compiler_needs_object_F77=yes
+	  tmp_sharedflag='-G' ;;
+	*Sun\ F*)			# Sun Fortran 8.3
+	  tmp_sharedflag='-G' ;;
+	esac
+	archive_cmds_F77='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+
+        if test "x$supports_anon_versioning" = xyes; then
+          archive_expsym_cmds_F77='echo "{ global:" > $output_objdir/$libname.ver~
+	    cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+	    echo "local: *; };" >> $output_objdir/$libname.ver~
+	    $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib'
+        fi
+
+	case $cc_basename in
+	xlf*)
+	  # IBM XL Fortran 10.1 on PPC cannot create shared libs itself
+	  whole_archive_flag_spec_F77='--whole-archive$convenience --no-whole-archive'
+	  hardcode_libdir_flag_spec_F77=
+	  hardcode_libdir_flag_spec_ld_F77='-rpath $libdir'
+	  archive_cmds_F77='$LD -shared $libobjs $deplibs $compiler_flags -soname $soname -o $lib'
+	  if test "x$supports_anon_versioning" = xyes; then
+	    archive_expsym_cmds_F77='echo "{ global:" > $output_objdir/$libname.ver~
+	      cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+	      echo "local: *; };" >> $output_objdir/$libname.ver~
+	      $LD -shared $libobjs $deplibs $compiler_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib'
+	  fi
+	  ;;
+	esac
+      else
+        ld_shlibs_F77=no
+      fi
+      ;;
+
+    netbsd*)
+      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+	archive_cmds_F77='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
+	wlarc=
+      else
+	archive_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	archive_expsym_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+      fi
+      ;;
+
+    solaris*)
+      if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then
+	ld_shlibs_F77=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: The releases 2.8.* of the GNU linker cannot reliably
+*** create shared libraries on Solaris systems.  Therefore, libtool
+*** is disabling shared libraries support.  We urge you to upgrade GNU
+*** binutils to release 2.9.1 or newer.  Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+      elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	archive_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	archive_expsym_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+      else
+	ld_shlibs_F77=no
+      fi
+      ;;
+
+    sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
+      case `$LD -v 2>&1` in
+        *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*)
+	ld_shlibs_F77=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not
+*** reliably create shared libraries on SCO systems.  Therefore, libtool
+*** is disabling shared libraries support.  We urge you to upgrade GNU
+*** binutils to release 2.16.91.0.3 or newer.  Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+	;;
+	*)
+	  # For security reasons, it is highly recommended that you always
+	  # use absolute paths for naming shared libraries, and exclude the
+	  # DT_RUNPATH tag from executables and libraries.  But doing so
+	  # requires that you compile everything twice, which is a pain.
+	  if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	    hardcode_libdir_flag_spec_F77='${wl}-rpath ${wl}$libdir'
+	    archive_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	    archive_expsym_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+	  else
+	    ld_shlibs_F77=no
+	  fi
+	;;
+      esac
+      ;;
+
+    sunos4*)
+      archive_cmds_F77='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+      wlarc=
+      hardcode_direct_F77=yes
+      hardcode_shlibpath_var_F77=no
+      ;;
+
+    *)
+      if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	archive_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	archive_expsym_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+      else
+	ld_shlibs_F77=no
+      fi
+      ;;
+    esac
+
+    if test "$ld_shlibs_F77" = no; then
+      runpath_var=
+      hardcode_libdir_flag_spec_F77=
+      export_dynamic_flag_spec_F77=
+      whole_archive_flag_spec_F77=
+    fi
+  else
+    # PORTME fill in a description of your system's linker (not GNU ld)
+    case $host_os in
+    aix3*)
+      allow_undefined_flag_F77=unsupported
+      always_export_symbols_F77=yes
+      archive_expsym_cmds_F77='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
+      # Note: this linker hardcodes the directories in LIBPATH if there
+      # are no directories specified by -L.
+      hardcode_minus_L_F77=yes
+      if test "$GCC" = yes && test -z "$lt_prog_compiler_static"; then
+	# Neither direct hardcoding nor static linking is supported with a
+	# broken collect2.
+	hardcode_direct_F77=unsupported
+      fi
+      ;;
+
+    aix[4-9]*)
+      if test "$host_cpu" = ia64; then
+	# On IA64, the linker does run time linking by default, so we don't
+	# have to do anything special.
+	aix_use_runtimelinking=no
+	exp_sym_flag='-Bexport'
+	no_entry_flag=""
+      else
+	# If we're using GNU nm, then we don't want the "-C" option.
+	# -C means demangle to AIX nm, but means don't demangle with GNU nm
+	if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
+	  export_symbols_cmds_F77='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+	else
+	  export_symbols_cmds_F77='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+	fi
+	aix_use_runtimelinking=no
+
+	# Test if we are trying to use run time linking or normal
+	# AIX style linking. If -brtl is somewhere in LDFLAGS, we
+	# need to do runtime linking.
+	case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*)
+	  for ld_flag in $LDFLAGS; do
+	  if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
+	    aix_use_runtimelinking=yes
+	    break
+	  fi
+	  done
+	  ;;
+	esac
+
+	exp_sym_flag='-bexport'
+	no_entry_flag='-bnoentry'
+      fi
+
+      # When large executables or shared objects are built, AIX ld can
+      # have problems creating the table of contents.  If linking a library
+      # or program results in "error TOC overflow" add -mminimal-toc to
+      # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
+      # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
+
+      archive_cmds_F77=''
+      hardcode_direct_F77=yes
+      hardcode_direct_absolute_F77=yes
+      hardcode_libdir_separator_F77=':'
+      link_all_deplibs_F77=yes
+      file_list_spec_F77='${wl}-f,'
+
+      if test "$GCC" = yes; then
+	case $host_os in aix4.[012]|aix4.[012].*)
+	# We only want to do this on AIX 4.2 and lower, the check
+	# below for broken collect2 doesn't work under 4.3+
+	  collect2name=`${CC} -print-prog-name=collect2`
+	  if test -f "$collect2name" &&
+	   strings "$collect2name" | $GREP resolve_lib_name >/dev/null
+	  then
+	  # We have reworked collect2
+	  :
+	  else
+	  # We have old collect2
+	  hardcode_direct_F77=unsupported
+	  # It fails to find uninstalled libraries when the uninstalled
+	  # path is not listed in the libpath.  Setting hardcode_minus_L
+	  # to unsupported forces relinking
+	  hardcode_minus_L_F77=yes
+	  hardcode_libdir_flag_spec_F77='-L$libdir'
+	  hardcode_libdir_separator_F77=
+	  fi
+	  ;;
+	esac
+	shared_flag='-shared'
+	if test "$aix_use_runtimelinking" = yes; then
+	  shared_flag="$shared_flag "'${wl}-G'
+	fi
+      else
+	# not using gcc
+	if test "$host_cpu" = ia64; then
+	# VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
+	# chokes on -Wl,-G. The following line is correct:
+	  shared_flag='-G'
+	else
+	  if test "$aix_use_runtimelinking" = yes; then
+	    shared_flag='${wl}-G'
+	  else
+	    shared_flag='${wl}-bM:SRE'
+	  fi
+	fi
+      fi
+
+      # It seems that -bexpall does not export symbols beginning with
+      # underscore (_), so it is better to generate a list of symbols to export.
+      always_export_symbols_F77=yes
+      if test "$aix_use_runtimelinking" = yes; then
+	# Warning - without using the other runtime loading flags (-brtl),
+	# -berok will link without error, but may produce a broken library.
+	allow_undefined_flag_F77='-berok'
+        # Determine the default libpath from the value encoded in an
+        # empty executable.
+        cat >conftest.$ac_ext <<_ACEOF
+      program main
+
+      end
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_f77_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+
+lt_aix_libpath_sed='
+    /Import File Strings/,/^$/ {
+	/^0/ {
+	    s/^0  *\(.*\)$/\1/
+	    p
+	}
+    }'
+aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+# Check for a 64-bit object if we didn't find anything.
+if test -z "$aix_libpath"; then
+  aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+fi
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
+
+        hardcode_libdir_flag_spec_F77='${wl}-blibpath:$libdir:'"$aix_libpath"
+        archive_expsym_cmds_F77='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then $ECHO "X${wl}${allow_undefined_flag}" | $Xsed; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag"
+      else
+	if test "$host_cpu" = ia64; then
+	  hardcode_libdir_flag_spec_F77='${wl}-R $libdir:/usr/lib:/lib'
+	  allow_undefined_flag_F77="-z nodefs"
+	  archive_expsym_cmds_F77="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols"
+	else
+	 # Determine the default libpath from the value encoded in an
+	 # empty executable.
+	 cat >conftest.$ac_ext <<_ACEOF
+      program main
+
+      end
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_f77_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+
+lt_aix_libpath_sed='
+    /Import File Strings/,/^$/ {
+	/^0/ {
+	    s/^0  *\(.*\)$/\1/
+	    p
+	}
+    }'
+aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+# Check for a 64-bit object if we didn't find anything.
+if test -z "$aix_libpath"; then
+  aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+fi
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
+
+	 hardcode_libdir_flag_spec_F77='${wl}-blibpath:$libdir:'"$aix_libpath"
+	  # Warning - without using the other run time loading flags,
+	  # -berok will link without error, but may produce a broken library.
+	  no_undefined_flag_F77=' ${wl}-bernotok'
+	  allow_undefined_flag_F77=' ${wl}-berok'
+	  # Exported symbols can be pulled into shared objects from archives
+	  whole_archive_flag_spec_F77='$convenience'
+	  archive_cmds_need_lc_F77=yes
+	  # This is similar to how AIX traditionally builds its shared libraries.
+	  archive_expsym_cmds_F77="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
+	fi
+      fi
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            archive_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+            archive_expsym_cmds_F77=''
+        ;;
+      m68k)
+            archive_cmds_F77='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+            hardcode_libdir_flag_spec_F77='-L$libdir'
+            hardcode_minus_L_F77=yes
+        ;;
+      esac
+      ;;
+
+    bsdi[45]*)
+      export_dynamic_flag_spec_F77=-rdynamic
+      ;;
+
+    cygwin* | mingw* | pw32*)
+      # When not using gcc, we currently assume that we are using
+      # Microsoft Visual C++.
+      # hardcode_libdir_flag_spec is actually meaningless, as there is
+      # no search path for DLLs.
+      hardcode_libdir_flag_spec_F77=' '
+      allow_undefined_flag_F77=unsupported
+      # Tell ltmain to make .lib files, not .a files.
+      libext=lib
+      # Tell ltmain to make .dll files, not .so files.
+      shrext_cmds=".dll"
+      # FIXME: Setting linknames here is a bad hack.
+      archive_cmds_F77='$CC -o $lib $libobjs $compiler_flags `$ECHO "X$deplibs" | $Xsed -e '\''s/ -lc$//'\''` -link -dll~linknames='
+      # The linker will automatically build a .lib file if we build a DLL.
+      old_archive_from_new_cmds_F77='true'
+      # FIXME: Should let the user specify the lib program.
+      old_archive_cmds_F77='lib -OUT:$oldlib$oldobjs$old_deplibs'
+      fix_srcfile_path_F77='`cygpath -w "$srcfile"`'
+      enable_shared_with_static_runtimes_F77=yes
+      ;;
+
+    darwin* | rhapsody*)
+
+
+  archive_cmds_need_lc_F77=no
+  hardcode_direct_F77=no
+  hardcode_automatic_F77=yes
+  hardcode_shlibpath_var_F77=unsupported
+  whole_archive_flag_spec_F77=''
+  link_all_deplibs_F77=yes
+  allow_undefined_flag_F77="$_lt_dar_allow_undefined"
+  if test "$GCC" = "yes"; then
+    output_verbose_link_cmd=echo
+    archive_cmds_F77="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}"
+    module_cmds_F77="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}"
+    archive_expsym_cmds_F77="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}"
+    module_expsym_cmds_F77="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}"
+
+  else
+  ld_shlibs_F77=no
+  fi
+
+      ;;
+
+    dgux*)
+      archive_cmds_F77='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      hardcode_libdir_flag_spec_F77='-L$libdir'
+      hardcode_shlibpath_var_F77=no
+      ;;
+
+    freebsd1*)
+      ld_shlibs_F77=no
+      ;;
+
+    # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
+    # support.  Future versions do this automatically, but an explicit c++rt0.o
+    # does not break anything, and helps significantly (at the cost of a little
+    # extra space).
+    freebsd2.2*)
+      archive_cmds_F77='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
+      hardcode_libdir_flag_spec_F77='-R$libdir'
+      hardcode_direct_F77=yes
+      hardcode_shlibpath_var_F77=no
+      ;;
+
+    # Unfortunately, older versions of FreeBSD 2 do not have this feature.
+    freebsd2*)
+      archive_cmds_F77='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+      hardcode_direct_F77=yes
+      hardcode_minus_L_F77=yes
+      hardcode_shlibpath_var_F77=no
+      ;;
+
+    # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
+    freebsd* | dragonfly*)
+      archive_cmds_F77='$CC -shared -o $lib $libobjs $deplibs $compiler_flags'
+      hardcode_libdir_flag_spec_F77='-R$libdir'
+      hardcode_direct_F77=yes
+      hardcode_shlibpath_var_F77=no
+      ;;
+
+    hpux9*)
+      if test "$GCC" = yes; then
+	archive_cmds_F77='$RM $output_objdir/$soname~$CC -shared -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+      else
+	archive_cmds_F77='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+      fi
+      hardcode_libdir_flag_spec_F77='${wl}+b ${wl}$libdir'
+      hardcode_libdir_separator_F77=:
+      hardcode_direct_F77=yes
+
+      # hardcode_minus_L: Not really in the search PATH,
+      # but as the default location of the library.
+      hardcode_minus_L_F77=yes
+      export_dynamic_flag_spec_F77='${wl}-E'
+      ;;
+
+    hpux10*)
+      if test "$GCC" = yes -a "$with_gnu_ld" = no; then
+	archive_cmds_F77='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	archive_cmds_F77='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
+      fi
+      if test "$with_gnu_ld" = no; then
+	hardcode_libdir_flag_spec_F77='${wl}+b ${wl}$libdir'
+	hardcode_libdir_flag_spec_ld_F77='+b $libdir'
+	hardcode_libdir_separator_F77=:
+	hardcode_direct_F77=yes
+	hardcode_direct_absolute_F77=yes
+	export_dynamic_flag_spec_F77='${wl}-E'
+	# hardcode_minus_L: Not really in the search PATH,
+	# but as the default location of the library.
+	hardcode_minus_L_F77=yes
+      fi
+      ;;
+
+    hpux11*)
+      if test "$GCC" = yes -a "$with_gnu_ld" = no; then
+	case $host_cpu in
+	hppa*64*)
+	  archive_cmds_F77='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	ia64*)
+	  archive_cmds_F77='$CC -shared ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	*)
+	  archive_cmds_F77='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	esac
+      else
+	case $host_cpu in
+	hppa*64*)
+	  archive_cmds_F77='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	ia64*)
+	  archive_cmds_F77='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	*)
+	  archive_cmds_F77='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	esac
+      fi
+      if test "$with_gnu_ld" = no; then
+	hardcode_libdir_flag_spec_F77='${wl}+b ${wl}$libdir'
+	hardcode_libdir_separator_F77=:
+
+	case $host_cpu in
+	hppa*64*|ia64*)
+	  hardcode_direct_F77=no
+	  hardcode_shlibpath_var_F77=no
+	  ;;
+	*)
+	  hardcode_direct_F77=yes
+	  hardcode_direct_absolute_F77=yes
+	  export_dynamic_flag_spec_F77='${wl}-E'
+
+	  # hardcode_minus_L: Not really in the search PATH,
+	  # but as the default location of the library.
+	  hardcode_minus_L_F77=yes
+	  ;;
+	esac
+      fi
+      ;;
+
+    irix5* | irix6* | nonstopux*)
+      if test "$GCC" = yes; then
+	archive_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+	# Try to use the -exported_symbol ld option, if it does not
+	# work, assume that -exports_file does not work either and
+	# implicitly export all symbols.
+        save_LDFLAGS="$LDFLAGS"
+        LDFLAGS="$LDFLAGS -shared ${wl}-exported_symbol ${wl}foo ${wl}-update_registry ${wl}/dev/null"
+        cat >conftest.$ac_ext <<_ACEOF
+int foo(void) {}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_f77_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  archive_expsym_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations ${wl}-exports_file ${wl}$export_symbols -o $lib'
+
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+        LDFLAGS="$save_LDFLAGS"
+      else
+	archive_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib'
+	archive_expsym_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -exports_file $export_symbols -o $lib'
+      fi
+      archive_cmds_need_lc_F77='no'
+      hardcode_libdir_flag_spec_F77='${wl}-rpath ${wl}$libdir'
+      hardcode_libdir_separator_F77=:
+      inherit_rpath_F77=yes
+      link_all_deplibs_F77=yes
+      ;;
+
+    netbsd*)
+      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+	archive_cmds_F77='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
+      else
+	archive_cmds_F77='$LD -shared -o $lib $libobjs $deplibs $linker_flags'      # ELF
+      fi
+      hardcode_libdir_flag_spec_F77='-R$libdir'
+      hardcode_direct_F77=yes
+      hardcode_shlibpath_var_F77=no
+      ;;
+
+    newsos6)
+      archive_cmds_F77='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      hardcode_direct_F77=yes
+      hardcode_libdir_flag_spec_F77='${wl}-rpath ${wl}$libdir'
+      hardcode_libdir_separator_F77=:
+      hardcode_shlibpath_var_F77=no
+      ;;
+
+    *nto* | *qnx*)
+      ;;
+
+    openbsd*)
+      if test -f /usr/libexec/ld.so; then
+	hardcode_direct_F77=yes
+	hardcode_shlibpath_var_F77=no
+	hardcode_direct_absolute_F77=yes
+	if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+	  archive_cmds_F77='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+	  archive_expsym_cmds_F77='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols'
+	  hardcode_libdir_flag_spec_F77='${wl}-rpath,$libdir'
+	  export_dynamic_flag_spec_F77='${wl}-E'
+	else
+	  case $host_os in
+	   openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
+	     archive_cmds_F77='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+	     hardcode_libdir_flag_spec_F77='-R$libdir'
+	     ;;
+	   *)
+	     archive_cmds_F77='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+	     hardcode_libdir_flag_spec_F77='${wl}-rpath,$libdir'
+	     ;;
+	  esac
+	fi
+      else
+	ld_shlibs_F77=no
+      fi
+      ;;
+
+    os2*)
+      hardcode_libdir_flag_spec_F77='-L$libdir'
+      hardcode_minus_L_F77=yes
+      allow_undefined_flag_F77=unsupported
+      archive_cmds_F77='$ECHO "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~$ECHO DATA >> $output_objdir/$libname.def~$ECHO " SINGLE NONSHARED" >> $output_objdir/$libname.def~$ECHO EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def'
+      old_archive_from_new_cmds_F77='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
+      ;;
+
+    osf3*)
+      if test "$GCC" = yes; then
+	allow_undefined_flag_F77=' ${wl}-expect_unresolved ${wl}\*'
+	archive_cmds_F77='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+      else
+	allow_undefined_flag_F77=' -expect_unresolved \*'
+	archive_cmds_F77='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib'
+      fi
+      archive_cmds_need_lc_F77='no'
+      hardcode_libdir_flag_spec_F77='${wl}-rpath ${wl}$libdir'
+      hardcode_libdir_separator_F77=:
+      ;;
+
+    osf4* | osf5*)	# as osf3* with the addition of -msym flag
+      if test "$GCC" = yes; then
+	allow_undefined_flag_F77=' ${wl}-expect_unresolved ${wl}\*'
+	archive_cmds_F77='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+	hardcode_libdir_flag_spec_F77='${wl}-rpath ${wl}$libdir'
+      else
+	allow_undefined_flag_F77=' -expect_unresolved \*'
+	archive_cmds_F77='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib'
+	archive_expsym_cmds_F77='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~
+	$CC -shared${allow_undefined_flag} ${wl}-input ${wl}$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib~$RM $lib.exp'
+
+	# Both c and cxx compiler support -rpath directly
+	hardcode_libdir_flag_spec_F77='-rpath $libdir'
+      fi
+      archive_cmds_need_lc_F77='no'
+      hardcode_libdir_separator_F77=:
+      ;;
+
+    solaris*)
+      no_undefined_flag_F77=' -z defs'
+      if test "$GCC" = yes; then
+	wlarc='${wl}'
+	archive_cmds_F77='$CC -shared ${wl}-z ${wl}text ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds_F77='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+	  $CC -shared ${wl}-z ${wl}text ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
+      else
+	case `$CC -V 2>&1` in
+	*"Compilers 5.0"*)
+	  wlarc=''
+	  archive_cmds_F77='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  archive_expsym_cmds_F77='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+	  $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp'
+	  ;;
+	*)
+	  wlarc='${wl}'
+	  archive_cmds_F77='$CC -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $compiler_flags'
+	  archive_expsym_cmds_F77='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+	  $CC -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
+	  ;;
+	esac
+      fi
+      hardcode_libdir_flag_spec_F77='-R$libdir'
+      hardcode_shlibpath_var_F77=no
+      case $host_os in
+      solaris2.[0-5] | solaris2.[0-5].*) ;;
+      *)
+	# The compiler driver will combine and reorder linker options,
+	# but understands `-z linker_flag'.  GCC discards it without `$wl',
+	# but is careful enough not to reorder.
+	# Supported since Solaris 2.6 (maybe 2.5.1?)
+	if test "$GCC" = yes; then
+	  whole_archive_flag_spec_F77='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
+	else
+	  whole_archive_flag_spec_F77='-z allextract$convenience -z defaultextract'
+	fi
+	;;
+      esac
+      link_all_deplibs_F77=yes
+      ;;
+
+    sunos4*)
+      if test "x$host_vendor" = xsequent; then
+	# Use $CC to link under sequent, because it throws in some extra .o
+	# files that make .init and .fini sections work.
+	archive_cmds_F77='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	archive_cmds_F77='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
+      fi
+      hardcode_libdir_flag_spec_F77='-L$libdir'
+      hardcode_direct_F77=yes
+      hardcode_minus_L_F77=yes
+      hardcode_shlibpath_var_F77=no
+      ;;
+
+    sysv4)
+      case $host_vendor in
+	sni)
+	  archive_cmds_F77='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  hardcode_direct_F77=yes # is this really true???
+	;;
+	siemens)
+	  ## LD is ld it makes a PLAMLIB
+	  ## CC just makes a GrossModule.
+	  archive_cmds_F77='$LD -G -o $lib $libobjs $deplibs $linker_flags'
+	  reload_cmds_F77='$CC -r -o $output$reload_objs'
+	  hardcode_direct_F77=no
+        ;;
+	motorola)
+	  archive_cmds_F77='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  hardcode_direct_F77=no #Motorola manual says yes, but my tests say they lie
+	;;
+      esac
+      runpath_var='LD_RUN_PATH'
+      hardcode_shlibpath_var_F77=no
+      ;;
+
+    sysv4.3*)
+      archive_cmds_F77='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      hardcode_shlibpath_var_F77=no
+      export_dynamic_flag_spec_F77='-Bexport'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	archive_cmds_F77='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	hardcode_shlibpath_var_F77=no
+	runpath_var=LD_RUN_PATH
+	hardcode_runpath_var=yes
+	ld_shlibs_F77=yes
+      fi
+      ;;
+
+    sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*)
+      no_undefined_flag_F77='${wl}-z,text'
+      archive_cmds_need_lc_F77=no
+      hardcode_shlibpath_var_F77=no
+      runpath_var='LD_RUN_PATH'
+
+      if test "$GCC" = yes; then
+	archive_cmds_F77='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds_F77='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	archive_cmds_F77='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds_F77='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      fi
+      ;;
+
+    sysv5* | sco3.2v5* | sco5v6*)
+      # Note: We can NOT use -z defs as we might desire, because we do not
+      # link with -lc, and that would cause any symbols used from libc to
+      # always be unresolved, which means just about no library would
+      # ever link correctly.  If we're not using GNU ld we use -z text
+      # though, which does catch some bad symbols but isn't as heavy-handed
+      # as -z defs.
+      no_undefined_flag_F77='${wl}-z,text'
+      allow_undefined_flag_F77='${wl}-z,nodefs'
+      archive_cmds_need_lc_F77=no
+      hardcode_shlibpath_var_F77=no
+      hardcode_libdir_flag_spec_F77='${wl}-R,$libdir'
+      hardcode_libdir_separator_F77=':'
+      link_all_deplibs_F77=yes
+      export_dynamic_flag_spec_F77='${wl}-Bexport'
+      runpath_var='LD_RUN_PATH'
+
+      if test "$GCC" = yes; then
+	archive_cmds_F77='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds_F77='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	archive_cmds_F77='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds_F77='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      fi
+      ;;
+
+    uts4*)
+      archive_cmds_F77='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      hardcode_libdir_flag_spec_F77='-L$libdir'
+      hardcode_shlibpath_var_F77=no
+      ;;
+
+    *)
+      ld_shlibs_F77=no
+      ;;
+    esac
+
+    if test x$host_vendor = xsni; then
+      case $host in
+      sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
+	export_dynamic_flag_spec_F77='${wl}-Blargedynsym'
+	;;
+      esac
+    fi
+  fi
+
+{ $as_echo "$as_me:$LINENO: result: $ld_shlibs_F77" >&5
+$as_echo "$ld_shlibs_F77" >&6; }
+test "$ld_shlibs_F77" = no && can_build_shared=no
+
+with_gnu_ld_F77=$with_gnu_ld
+
+
+
+
+
+
+#
+# Do we need to explicitly link libc?
+#
+case "x$archive_cmds_need_lc_F77" in
+x|xyes)
+  # Assume -lc should be added
+  archive_cmds_need_lc_F77=yes
+
+  if test "$enable_shared" = yes && test "$GCC" = yes; then
+    case $archive_cmds_F77 in
+    *'~'*)
+      # FIXME: we may have to deal with multi-command sequences.
+      ;;
+    '$CC '*)
+      # Test whether the compiler implicitly links with -lc since on some
+      # systems, -lgcc has to come before -lc. If gcc already passes -lc
+      # to ld, don't add -lc before -lgcc.
+      { $as_echo "$as_me:$LINENO: checking whether -lc should be explicitly linked in" >&5
+$as_echo_n "checking whether -lc should be explicitly linked in... " >&6; }
+      $RM conftest*
+      echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+      if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } 2>conftest.err; then
+        soname=conftest
+        lib=conftest
+        libobjs=conftest.$ac_objext
+        deplibs=
+        wl=$lt_prog_compiler_wl_F77
+	pic_flag=$lt_prog_compiler_pic_F77
+        compiler_flags=-v
+        linker_flags=-v
+        verstring=
+        output_objdir=.
+        libname=conftest
+        lt_save_allow_undefined_flag=$allow_undefined_flag_F77
+        allow_undefined_flag_F77=
+        if { (eval echo "$as_me:$LINENO: \"$archive_cmds_F77 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1\"") >&5
+  (eval $archive_cmds_F77 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+        then
+	  archive_cmds_need_lc_F77=no
+        else
+	  archive_cmds_need_lc_F77=yes
+        fi
+        allow_undefined_flag_F77=$lt_save_allow_undefined_flag
+      else
+        cat conftest.err 1>&5
+      fi
+      $RM conftest*
+      { $as_echo "$as_me:$LINENO: result: $archive_cmds_need_lc_F77" >&5
+$as_echo "$archive_cmds_need_lc_F77" >&6; }
+      ;;
+    esac
+  fi
+  ;;
+esac
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+    { $as_echo "$as_me:$LINENO: checking dynamic linker characteristics" >&5
+$as_echo_n "checking dynamic linker characteristics... " >&6; }
+
+library_names_spec=
+libname_spec='lib$name'
+soname_spec=
+shrext_cmds=".so"
+postinstall_cmds=
+postuninstall_cmds=
+finish_cmds=
+finish_eval=
+shlibpath_var=
+shlibpath_overrides_runpath=unknown
+version_type=none
+dynamic_linker="$host_os ld.so"
+sys_lib_dlsearch_path_spec="/lib /usr/lib"
+need_lib_prefix=unknown
+hardcode_into_libs=no
+
+# when you set need_version to no, make sure it does not cause -set_version
+# flags to be left without arguments
+need_version=unknown
+
+case $host_os in
+aix3*)
+  version_type=linux
+  library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a'
+  shlibpath_var=LIBPATH
+
+  # AIX 3 has no versioning support, so we append a major version to the name.
+  soname_spec='${libname}${release}${shared_ext}$major'
+  ;;
+
+aix[4-9]*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  hardcode_into_libs=yes
+  if test "$host_cpu" = ia64; then
+    # AIX 5 supports IA64
+    library_names_spec='${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext}$versuffix $libname${shared_ext}'
+    shlibpath_var=LD_LIBRARY_PATH
+  else
+    # With GCC up to 2.95.x, collect2 would create an import file
+    # for dependence libraries.  The import file would start with
+    # the line `#! .'.  This would cause the generated library to
+    # depend on `.', always an invalid library.  This was fixed in
+    # development snapshots of GCC prior to 3.0.
+    case $host_os in
+      aix4 | aix4.[01] | aix4.[01].*)
+      if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
+	   echo ' yes '
+	   echo '#endif'; } | ${CC} -E - | $GREP yes > /dev/null; then
+	:
+      else
+	can_build_shared=no
+      fi
+      ;;
+    esac
+    # AIX (on Power*) has no versioning support, so currently we can not hardcode correct
+    # soname into executable. Probably we can add versioning support to
+    # collect2, so additional links can be useful in future.
+    if test "$aix_use_runtimelinking" = yes; then
+      # If using run time linking (on AIX 4.2 or later) use lib<name>.so
+      # instead of lib<name>.a to let people know that these are not
+      # typical AIX shared libraries.
+      library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    else
+      # We preserve .a as extension for shared libraries through AIX4.2
+      # and later when we are not doing run time linking.
+      library_names_spec='${libname}${release}.a $libname.a'
+      soname_spec='${libname}${release}${shared_ext}$major'
+    fi
+    shlibpath_var=LIBPATH
+  fi
+  ;;
+
+amigaos*)
+  case $host_cpu in
+  powerpc)
+    # Since July 2007 AmigaOS4 officially supports .so libraries.
+    # When compiling the executable, add -use-dynld -Lsobjs: to the compileline.
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    ;;
+  m68k)
+    library_names_spec='$libname.ixlibrary $libname.a'
+    # Create ${libname}_ixlibrary.a entries in /sys/libs.
+    finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`$ECHO "X$lib" | $Xsed -e '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; test $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
+    ;;
+  esac
+  ;;
+
+beos*)
+  library_names_spec='${libname}${shared_ext}'
+  dynamic_linker="$host_os ld.so"
+  shlibpath_var=LIBRARY_PATH
+  ;;
+
+bsdi[45]*)
+  version_type=linux
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
+  sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
+  # the default ld.so.conf also contains /usr/contrib/lib and
+  # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
+  # libtool to hard-code these into programs
+  ;;
+
+cygwin* | mingw* | pw32*)
+  version_type=windows
+  shrext_cmds=".dll"
+  need_version=no
+  need_lib_prefix=no
+
+  case $GCC,$host_os in
+  yes,cygwin* | yes,mingw* | yes,pw32*)
+    library_names_spec='$libname.dll.a'
+    # DLL is installed to $(libdir)/../bin by postinstall_cmds
+    postinstall_cmds='base_file=`basename \${file}`~
+      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~
+      dldir=$destdir/`dirname \$dlpath`~
+      test -d \$dldir || mkdir -p \$dldir~
+      $install_prog $dir/$dlname \$dldir/$dlname~
+      chmod a+x \$dldir/$dlname~
+      if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
+        eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
+      fi'
+    postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
+      dlpath=$dir/\$dldll~
+       $RM \$dlpath'
+    shlibpath_overrides_runpath=yes
+
+    case $host_os in
+    cygwin*)
+      # Cygwin DLLs use 'cyg' prefix rather than 'lib'
+      soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+      sys_lib_search_path_spec="/usr/lib /lib/w32api /lib /usr/local/lib"
+      ;;
+    mingw*)
+      # MinGW DLLs use traditional 'lib' prefix
+      soname_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+      sys_lib_search_path_spec=`$CC -print-search-dirs | $GREP "^libraries:" | $SED -e "s/^libraries://" -e "s,=/,/,g"`
+      if $ECHO "$sys_lib_search_path_spec" | $GREP ';[c-zC-Z]:/' >/dev/null; then
+        # It is most probably a Windows format PATH printed by
+        # mingw gcc, but we are running on Cygwin. Gcc prints its search
+        # path with ; separators, and with drive letters. We can handle the
+        # drive letters (cygwin fileutils understands them), so leave them,
+        # especially as we might pass files found there to a mingw objdump,
+        # which wouldn't understand a cygwinified path. Ahh.
+        sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
+      else
+        sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED  -e "s/$PATH_SEPARATOR/ /g"`
+      fi
+      ;;
+    pw32*)
+      # pw32 DLLs use 'pw' prefix rather than 'lib'
+      library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+      ;;
+    esac
+    ;;
+
+  *)
+    library_names_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext} $libname.lib'
+    ;;
+  esac
+  dynamic_linker='Win32 ld.exe'
+  # FIXME: first we should search . and the directory the executable is in
+  shlibpath_var=PATH
+  ;;
+
+darwin* | rhapsody*)
+  dynamic_linker="$host_os dyld"
+  version_type=darwin
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${major}$shared_ext ${libname}$shared_ext'
+  soname_spec='${libname}${release}${major}$shared_ext'
+  shlibpath_overrides_runpath=yes
+  shlibpath_var=DYLD_LIBRARY_PATH
+  shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`'
+
+  sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
+  ;;
+
+dgux*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  ;;
+
+freebsd1*)
+  dynamic_linker=no
+  ;;
+
+freebsd* | dragonfly*)
+  # DragonFly does not have aout.  When/if they implement a new
+  # versioning mechanism, adjust this.
+  if test -x /usr/bin/objformat; then
+    objformat=`/usr/bin/objformat`
+  else
+    case $host_os in
+    freebsd[123]*) objformat=aout ;;
+    *) objformat=elf ;;
+    esac
+  fi
+  version_type=freebsd-$objformat
+  case $version_type in
+    freebsd-elf*)
+      library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+      need_version=no
+      need_lib_prefix=no
+      ;;
+    freebsd-*)
+      library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix'
+      need_version=yes
+      ;;
+  esac
+  shlibpath_var=LD_LIBRARY_PATH
+  case $host_os in
+  freebsd2*)
+    shlibpath_overrides_runpath=yes
+    ;;
+  freebsd3.[01]* | freebsdelf3.[01]*)
+    shlibpath_overrides_runpath=yes
+    hardcode_into_libs=yes
+    ;;
+  freebsd3.[2-9]* | freebsdelf3.[2-9]* | \
+  freebsd4.[0-5] | freebsdelf4.[0-5] | freebsd4.1.1 | freebsdelf4.1.1)
+    shlibpath_overrides_runpath=no
+    hardcode_into_libs=yes
+    ;;
+  *) # from 4.6 on, and DragonFly
+    shlibpath_overrides_runpath=yes
+    hardcode_into_libs=yes
+    ;;
+  esac
+  ;;
+
+gnu*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  hardcode_into_libs=yes
+  ;;
+
+hpux9* | hpux10* | hpux11*)
+  # Give a soname corresponding to the major version so that dld.sl refuses to
+  # link against other versions.
+  version_type=sunos
+  need_lib_prefix=no
+  need_version=no
+  case $host_cpu in
+  ia64*)
+    shrext_cmds='.so'
+    hardcode_into_libs=yes
+    dynamic_linker="$host_os dld.so"
+    shlibpath_var=LD_LIBRARY_PATH
+    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    soname_spec='${libname}${release}${shared_ext}$major'
+    if test "X$HPUX_IA64_MODE" = X32; then
+      sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
+    else
+      sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
+    fi
+    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+    ;;
+  hppa*64*)
+    shrext_cmds='.sl'
+    hardcode_into_libs=yes
+    dynamic_linker="$host_os dld.sl"
+    shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
+    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    soname_spec='${libname}${release}${shared_ext}$major'
+    sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
+    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+    ;;
+  *)
+    shrext_cmds='.sl'
+    dynamic_linker="$host_os dld.sl"
+    shlibpath_var=SHLIB_PATH
+    shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    soname_spec='${libname}${release}${shared_ext}$major'
+    ;;
+  esac
+  # HP-UX runs *really* slowly unless shared libraries are mode 555.
+  postinstall_cmds='chmod 555 $lib'
+  ;;
+
+interix[3-9]*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  ;;
+
+irix5* | irix6* | nonstopux*)
+  case $host_os in
+    nonstopux*) version_type=nonstopux ;;
+    *)
+	if test "$lt_cv_prog_gnu_ld" = yes; then
+		version_type=linux
+	else
+		version_type=irix
+	fi ;;
+  esac
+  need_lib_prefix=no
+  need_version=no
+  soname_spec='${libname}${release}${shared_ext}$major'
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}'
+  case $host_os in
+  irix5* | nonstopux*)
+    libsuff= shlibsuff=
+    ;;
+  *)
+    case $LD in # libtool.m4 will add one of these switches to LD
+    *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ")
+      libsuff= shlibsuff= libmagic=32-bit;;
+    *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ")
+      libsuff=32 shlibsuff=N32 libmagic=N32;;
+    *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ")
+      libsuff=64 shlibsuff=64 libmagic=64-bit;;
+    *) libsuff= shlibsuff= libmagic=never-match;;
+    esac
+    ;;
+  esac
+  shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
+  shlibpath_overrides_runpath=no
+  sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
+  sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
+  hardcode_into_libs=yes
+  ;;
+
+# No shared lib support for Linux oldld, aout, or coff.
+linux*oldld* | linux*aout* | linux*coff*)
+  dynamic_linker=no
+  ;;
+
+# This must be Linux ELF.
+linux* | k*bsd*-gnu)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  # Some binutils ld are patched to set DT_RUNPATH
+  save_LDFLAGS=$LDFLAGS
+  save_libdir=$libdir
+  eval "libdir=/foo; wl=\"$lt_prog_compiler_wl_F77\"; \
+       LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec_F77\""
+  cat >conftest.$ac_ext <<_ACEOF
+      program main
+
+      end
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_f77_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  if  ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then
+  shlibpath_overrides_runpath=yes
+fi
+
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+  LDFLAGS=$save_LDFLAGS
+  libdir=$save_libdir
+
+  # This implies no fast_install, which is unacceptable.
+  # Some rework will be needed to allow for fast_install
+  # before this can be enabled.
+  hardcode_into_libs=yes
+
+  # Append ld.so.conf contents to the search path
+  if test -f /etc/ld.so.conf; then
+    lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[	 ]*hwcap[	 ]/d;s/[:,	]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;/^$/d' | tr '\n' ' '`
+    sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
+  fi
+
+  # We used to test for /lib/ld.so.1 and disable shared libraries on
+  # powerpc, because MkLinux only supported shared libraries with the
+  # GNU dynamic linker.  Since this was broken with cross compilers,
+  # most powerpc-linux boxes support dynamic linking these days and
+  # people can always --disable-shared, the test was removed, and we
+  # assume the GNU/Linux dynamic linker is in use.
+  dynamic_linker='GNU/Linux ld.so'
+  ;;
+
+netbsd*)
+  version_type=sunos
+  need_lib_prefix=no
+  need_version=no
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+    finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+    dynamic_linker='NetBSD (a.out) ld.so'
+  else
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+    soname_spec='${libname}${release}${shared_ext}$major'
+    dynamic_linker='NetBSD ld.elf_so'
+  fi
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  ;;
+
+newsos6)
+  version_type=linux
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  ;;
+
+*nto* | *qnx*)
+  version_type=qnx
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  dynamic_linker='ldqnx.so'
+  ;;
+
+openbsd*)
+  version_type=sunos
+  sys_lib_dlsearch_path_spec="/usr/lib"
+  need_lib_prefix=no
+  # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs.
+  case $host_os in
+    openbsd3.3 | openbsd3.3.*)	need_version=yes ;;
+    *)				need_version=no  ;;
+  esac
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+    case $host_os in
+      openbsd2.[89] | openbsd2.[89].*)
+	shlibpath_overrides_runpath=no
+	;;
+      *)
+	shlibpath_overrides_runpath=yes
+	;;
+      esac
+  else
+    shlibpath_overrides_runpath=yes
+  fi
+  ;;
+
+os2*)
+  libname_spec='$name'
+  shrext_cmds=".dll"
+  need_lib_prefix=no
+  library_names_spec='$libname${shared_ext} $libname.a'
+  dynamic_linker='OS/2 ld.exe'
+  shlibpath_var=LIBPATH
+  ;;
+
+osf3* | osf4* | osf5*)
+  version_type=osf
+  need_lib_prefix=no
+  need_version=no
+  soname_spec='${libname}${release}${shared_ext}$major'
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  shlibpath_var=LD_LIBRARY_PATH
+  sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
+  sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
+  ;;
+
+rdos*)
+  dynamic_linker=no
+  ;;
+
+solaris*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  # ldd complains unless libraries are executable
+  postinstall_cmds='chmod +x $lib'
+  ;;
+
+sunos4*)
+  version_type=sunos
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+  finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  if test "$with_gnu_ld" = yes; then
+    need_lib_prefix=no
+  fi
+  need_version=yes
+  ;;
+
+sysv4 | sysv4.3*)
+  version_type=linux
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  case $host_vendor in
+    sni)
+      shlibpath_overrides_runpath=no
+      need_lib_prefix=no
+      runpath_var=LD_RUN_PATH
+      ;;
+    siemens)
+      need_lib_prefix=no
+      ;;
+    motorola)
+      need_lib_prefix=no
+      need_version=no
+      shlibpath_overrides_runpath=no
+      sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
+      ;;
+  esac
+  ;;
+
+sysv4*MP*)
+  if test -d /usr/nec ;then
+    version_type=linux
+    library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}'
+    soname_spec='$libname${shared_ext}.$major'
+    shlibpath_var=LD_LIBRARY_PATH
+  fi
+  ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+  version_type=freebsd-elf
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  if test "$with_gnu_ld" = yes; then
+    sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib'
+  else
+    sys_lib_search_path_spec='/usr/ccs/lib /usr/lib'
+    case $host_os in
+      sco3.2v5*)
+        sys_lib_search_path_spec="$sys_lib_search_path_spec /lib"
+	;;
+    esac
+  fi
+  sys_lib_dlsearch_path_spec='/usr/lib'
+  ;;
+
+tpf*)
+  # TPF is a cross-target only.  Preferred cross-host = GNU/Linux.
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_name_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  ;;
+
+uts4*)
+  version_type=linux
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  ;;
+
+*)
+  dynamic_linker=no
+  ;;
+esac
+{ $as_echo "$as_me:$LINENO: result: $dynamic_linker" >&5
+$as_echo "$dynamic_linker" >&6; }
+test "$dynamic_linker" = no && can_build_shared=no
+
+variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
+if test "$GCC" = yes; then
+  variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
+fi
+
+if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then
+  sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec"
+fi
+if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then
+  sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec"
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+    { $as_echo "$as_me:$LINENO: checking how to hardcode library paths into programs" >&5
+$as_echo_n "checking how to hardcode library paths into programs... " >&6; }
+hardcode_action_F77=
+if test -n "$hardcode_libdir_flag_spec_F77" ||
+   test -n "$runpath_var_F77" ||
+   test "X$hardcode_automatic_F77" = "Xyes" ; then
+
+  # We can hardcode non-existent directories.
+  if test "$hardcode_direct_F77" != no &&
+     # If the only mechanism to avoid hardcoding is shlibpath_var, we
+     # have to relink, otherwise we might link with an installed library
+     # when we should be linking with a yet-to-be-installed one
+     ## test "$_LT_TAGVAR(hardcode_shlibpath_var, F77)" != no &&
+     test "$hardcode_minus_L_F77" != no; then
+    # Linking always hardcodes the temporary library directory.
+    hardcode_action_F77=relink
+  else
+    # We can link without hardcoding, and we can hardcode nonexisting dirs.
+    hardcode_action_F77=immediate
+  fi
+else
+  # We cannot hardcode anything, or else we can only hardcode existing
+  # directories.
+  hardcode_action_F77=unsupported
+fi
+{ $as_echo "$as_me:$LINENO: result: $hardcode_action_F77" >&5
+$as_echo "$hardcode_action_F77" >&6; }
+
+if test "$hardcode_action_F77" = relink ||
+   test "$inherit_rpath_F77" = yes; then
+  # Fast installation is not supported
+  enable_fast_install=no
+elif test "$shlibpath_overrides_runpath" = yes ||
+     test "$enable_shared" = no; then
+  # Fast installation is not necessary
+  enable_fast_install=needless
+fi
+
+
+
+
+
+
+
+  fi # test -n "$compiler"
+
+  GCC=$lt_save_GCC
+  CC="$lt_save_CC"
+fi # test "$_lt_disable_F77" != yes
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+
+      ac_ext=${ac_fc_srcext-f}
+ac_compile='$FC -c $FCFLAGS $ac_fcflags_srcext conftest.$ac_ext >&5'
+ac_link='$FC -o conftest$ac_exeext $FCFLAGS $LDFLAGS $ac_fcflags_srcext conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_fc_compiler_gnu
+
+
+archive_cmds_need_lc_FC=no
+allow_undefined_flag_FC=
+always_export_symbols_FC=no
+archive_expsym_cmds_FC=
+export_dynamic_flag_spec_FC=
+hardcode_direct_FC=no
+hardcode_direct_absolute_FC=no
+hardcode_libdir_flag_spec_FC=
+hardcode_libdir_flag_spec_ld_FC=
+hardcode_libdir_separator_FC=
+hardcode_minus_L_FC=no
+hardcode_automatic_FC=no
+inherit_rpath_FC=no
+module_cmds_FC=
+module_expsym_cmds_FC=
+link_all_deplibs_FC=unknown
+old_archive_cmds_FC=$old_archive_cmds
+no_undefined_flag_FC=
+whole_archive_flag_spec_FC=
+enable_shared_with_static_runtimes_FC=no
+
+# Source file extension for fc test sources.
+ac_ext=${ac_fc_srcext-f}
+
+# Object file extension for compiled fc test sources.
+objext=o
+objext_FC=$objext
+
+# No sense in running all these tests if we already determined that
+# the FC compiler isn't working.  Some variables (like enable_shared)
+# are currently assumed to apply to all compilers on this platform,
+# and will be corrupted by setting them based on a non-working compiler.
+if test "$_lt_disable_FC" != yes; then
+  # Code to be used in simple compile tests
+  lt_simple_compile_test_code="\
+      subroutine t
+      return
+      end
+"
+
+  # Code to be used in simple link tests
+  lt_simple_link_test_code="\
+      program t
+      end
+"
+
+  # ltmain only uses $CC for tagged configurations so make sure $CC is set.
+
+
+
+
+
+
+# If no C compiler was specified, use CC.
+LTCC=${LTCC-"$CC"}
+
+# If no C compiler flags were specified, use CFLAGS.
+LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
+
+# Allow CC to be a program name with arguments.
+compiler=$CC
+
+
+  # save warnings/boilerplate of simple test code
+  ac_outfile=conftest.$ac_objext
+echo "$lt_simple_compile_test_code" >conftest.$ac_ext
+eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_compiler_boilerplate=`cat conftest.err`
+$RM conftest*
+
+  ac_outfile=conftest.$ac_objext
+echo "$lt_simple_link_test_code" >conftest.$ac_ext
+eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_linker_boilerplate=`cat conftest.err`
+$RM -r conftest*
+
+
+  # Allow CC to be a program name with arguments.
+  lt_save_CC="$CC"
+  lt_save_GCC=$GCC
+  CC=${FC-"f95"}
+  compiler=$CC
+  GCC=$ac_cv_fc_compiler_gnu
+
+  compiler_FC=$CC
+  for cc_temp in $compiler""; do
+  case $cc_temp in
+    compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
+    distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
+    \-*) ;;
+    *) break;;
+  esac
+done
+cc_basename=`$ECHO "X$cc_temp" | $Xsed -e 's%.*/%%' -e "s%^$host_alias-%%"`
+
+
+  if test -n "$compiler"; then
+    { $as_echo "$as_me:$LINENO: checking if libtool supports shared libraries" >&5
+$as_echo_n "checking if libtool supports shared libraries... " >&6; }
+    { $as_echo "$as_me:$LINENO: result: $can_build_shared" >&5
+$as_echo "$can_build_shared" >&6; }
+
+    { $as_echo "$as_me:$LINENO: checking whether to build shared libraries" >&5
+$as_echo_n "checking whether to build shared libraries... " >&6; }
+    test "$can_build_shared" = "no" && enable_shared=no
+
+    # On AIX, shared libraries and static libraries use the same namespace, and
+    # are all built from PIC.
+    case $host_os in
+      aix3*)
+        test "$enable_shared" = yes && enable_static=no
+        if test -n "$RANLIB"; then
+          archive_cmds="$archive_cmds~\$RANLIB \$lib"
+          postinstall_cmds='$RANLIB $lib'
+        fi
+        ;;
+      aix[4-9]*)
+	if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
+	  test "$enable_shared" = yes && enable_static=no
+	fi
+        ;;
+    esac
+    { $as_echo "$as_me:$LINENO: result: $enable_shared" >&5
+$as_echo "$enable_shared" >&6; }
+
+    { $as_echo "$as_me:$LINENO: checking whether to build static libraries" >&5
+$as_echo_n "checking whether to build static libraries... " >&6; }
+    # Make sure either enable_shared or enable_static is yes.
+    test "$enable_shared" = yes || enable_static=yes
+    { $as_echo "$as_me:$LINENO: result: $enable_static" >&5
+$as_echo "$enable_static" >&6; }
+
+    GCC_FC="$ac_cv_fc_compiler_gnu"
+    LD_FC="$LD"
+
+    ## CAVEAT EMPTOR:
+    ## There is no encapsulation within the following macros, do not change
+    ## the running order or otherwise move them around unless you know exactly
+    ## what you are doing...
+    # Dependencies to place before and after the object being linked:
+predep_objects_FC=
+postdep_objects_FC=
+predeps_FC=
+postdeps_FC=
+compiler_lib_search_path_FC=
+
+cat > conftest.$ac_ext <<_LT_EOF
+      subroutine foo
+      implicit none
+      integer a
+      a=0
+      return
+      end
+_LT_EOF
+
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+  # Parse the compiler output and extract the necessary
+  # objects, libraries and library flags.
+
+  # Sentinel used to keep track of whether or not we are before
+  # the conftest object file.
+  pre_test_object_deps_done=no
+
+  for p in `eval "$output_verbose_link_cmd"`; do
+    case $p in
+
+    -L* | -R* | -l*)
+       # Some compilers place space between "-{L,R}" and the path.
+       # Remove the space.
+       if test $p = "-L" ||
+          test $p = "-R"; then
+	 prev=$p
+	 continue
+       else
+	 prev=
+       fi
+
+       if test "$pre_test_object_deps_done" = no; then
+	 case $p in
+	 -L* | -R*)
+	   # Internal compiler library paths should come after those
+	   # provided the user.  The postdeps already come after the
+	   # user supplied libs so there is no need to process them.
+	   if test -z "$compiler_lib_search_path_FC"; then
+	     compiler_lib_search_path_FC="${prev}${p}"
+	   else
+	     compiler_lib_search_path_FC="${compiler_lib_search_path_FC} ${prev}${p}"
+	   fi
+	   ;;
+	 # The "-l" case would never come before the object being
+	 # linked, so don't bother handling this case.
+	 esac
+       else
+	 if test -z "$postdeps_FC"; then
+	   postdeps_FC="${prev}${p}"
+	 else
+	   postdeps_FC="${postdeps_FC} ${prev}${p}"
+	 fi
+       fi
+       ;;
+
+    *.$objext)
+       # This assumes that the test object file only shows up
+       # once in the compiler output.
+       if test "$p" = "conftest.$objext"; then
+	 pre_test_object_deps_done=yes
+	 continue
+       fi
+
+       if test "$pre_test_object_deps_done" = no; then
+	 if test -z "$predep_objects_FC"; then
+	   predep_objects_FC="$p"
+	 else
+	   predep_objects_FC="$predep_objects_FC $p"
+	 fi
+       else
+	 if test -z "$postdep_objects_FC"; then
+	   postdep_objects_FC="$p"
+	 else
+	   postdep_objects_FC="$postdep_objects_FC $p"
+	 fi
+       fi
+       ;;
+
+    *) ;; # Ignore the rest.
+
+    esac
+  done
+
+  # Clean up.
+  rm -f a.out a.exe
+else
+  echo "libtool.m4: error: problem compiling FC test program"
+fi
+
+$RM -f confest.$objext
+
+# PORTME: override above test on systems where it is broken
+
+
+case " $postdeps_FC " in
+*" -lc "*) archive_cmds_need_lc_FC=no ;;
+esac
+ compiler_lib_search_dirs_FC=
+if test -n "${compiler_lib_search_path_FC}"; then
+ compiler_lib_search_dirs_FC=`echo " ${compiler_lib_search_path_FC}" | ${SED} -e 's! -L! !g' -e 's!^ !!'`
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+    lt_prog_compiler_wl_FC=
+lt_prog_compiler_pic_FC=
+lt_prog_compiler_static_FC=
+
+{ $as_echo "$as_me:$LINENO: checking for $compiler option to produce PIC" >&5
+$as_echo_n "checking for $compiler option to produce PIC... " >&6; }
+
+  if test "$GCC" = yes; then
+    lt_prog_compiler_wl_FC='-Wl,'
+    lt_prog_compiler_static_FC='-static'
+
+    case $host_os in
+      aix*)
+      # All AIX code is PIC.
+      if test "$host_cpu" = ia64; then
+	# AIX 5 now supports IA64 processor
+	lt_prog_compiler_static_FC='-Bstatic'
+      fi
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            lt_prog_compiler_pic_FC='-fPIC'
+        ;;
+      m68k)
+            # FIXME: we need at least 68020 code to build shared libraries, but
+            # adding the `-m68020' flag to GCC prevents building anything better,
+            # like `-m68040'.
+            lt_prog_compiler_pic_FC='-m68020 -resident32 -malways-restore-a4'
+        ;;
+      esac
+      ;;
+
+    beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
+      # PIC is the default for these OSes.
+      ;;
+
+    mingw* | cygwin* | pw32* | os2*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      # Although the cygwin gcc ignores -fPIC, still need this for old-style
+      # (--disable-auto-import) libraries
+      lt_prog_compiler_pic_FC='-DDLL_EXPORT'
+      ;;
+
+    darwin* | rhapsody*)
+      # PIC is the default on this platform
+      # Common symbols not allowed in MH_DYLIB files
+      lt_prog_compiler_pic_FC='-fno-common'
+      ;;
+
+    hpux*)
+      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+      # not for PA HP-UX.
+      case $host_cpu in
+      hppa*64*|ia64*)
+	# +Z the default
+	;;
+      *)
+	lt_prog_compiler_pic_FC='-fPIC'
+	;;
+      esac
+      ;;
+
+    interix[3-9]*)
+      # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+      # Instead, we relocate shared libraries at runtime.
+      ;;
+
+    msdosdjgpp*)
+      # Just because we use GCC doesn't mean we suddenly get shared libraries
+      # on systems that don't support them.
+      lt_prog_compiler_can_build_shared_FC=no
+      enable_shared=no
+      ;;
+
+    *nto* | *qnx*)
+      # QNX uses GNU C++, but need to define -shared option too, otherwise
+      # it will coredump.
+      lt_prog_compiler_pic_FC='-fPIC -shared'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	lt_prog_compiler_pic_FC=-Kconform_pic
+      fi
+      ;;
+
+    *)
+      lt_prog_compiler_pic_FC='-fPIC'
+      ;;
+    esac
+  else
+    # PORTME Check for flag to pass linker flags through the system compiler.
+    case $host_os in
+    aix*)
+      lt_prog_compiler_wl_FC='-Wl,'
+      if test "$host_cpu" = ia64; then
+	# AIX 5 now supports IA64 processor
+	lt_prog_compiler_static_FC='-Bstatic'
+      else
+	lt_prog_compiler_static_FC='-bnso -bI:/lib/syscalls.exp'
+      fi
+      ;;
+
+    mingw* | cygwin* | pw32* | os2*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      lt_prog_compiler_pic_FC='-DDLL_EXPORT'
+      ;;
+
+    hpux9* | hpux10* | hpux11*)
+      lt_prog_compiler_wl_FC='-Wl,'
+      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+      # not for PA HP-UX.
+      case $host_cpu in
+      hppa*64*|ia64*)
+	# +Z the default
+	;;
+      *)
+	lt_prog_compiler_pic_FC='+Z'
+	;;
+      esac
+      # Is there a better lt_prog_compiler_static that works with the bundled CC?
+      lt_prog_compiler_static_FC='${wl}-a ${wl}archive'
+      ;;
+
+    irix5* | irix6* | nonstopux*)
+      lt_prog_compiler_wl_FC='-Wl,'
+      # PIC (with -KPIC) is the default.
+      lt_prog_compiler_static_FC='-non_shared'
+      ;;
+
+    linux* | k*bsd*-gnu)
+      case $cc_basename in
+      icc* | ecc* | ifort*)
+	lt_prog_compiler_wl_FC='-Wl,'
+	lt_prog_compiler_pic_FC='-KPIC'
+	lt_prog_compiler_static_FC='-static'
+        ;;
+      pgcc* | pgf77* | pgf90* | pgf95*)
+        # Portland Group compilers (*not* the Pentium gcc compiler,
+	# which looks to be a dead project)
+	lt_prog_compiler_wl_FC='-Wl,'
+	lt_prog_compiler_pic_FC='-fpic'
+	lt_prog_compiler_static_FC='-Bstatic'
+        ;;
+      ccc*)
+        lt_prog_compiler_wl_FC='-Wl,'
+        # All Alpha code is PIC.
+        lt_prog_compiler_static_FC='-non_shared'
+        ;;
+      xl*)
+	# IBM XL C 8.0/Fortran 10.1 on PPC
+	lt_prog_compiler_wl_FC='-Wl,'
+	lt_prog_compiler_pic_FC='-qpic'
+	lt_prog_compiler_static_FC='-qstaticlink'
+	;;
+      *)
+	case `$CC -V 2>&1 | sed 5q` in
+	*Sun\ C*)
+	  # Sun C 5.9
+	  lt_prog_compiler_pic_FC='-KPIC'
+	  lt_prog_compiler_static_FC='-Bstatic'
+	  lt_prog_compiler_wl_FC='-Wl,'
+	  ;;
+	*Sun\ F*)
+	  # Sun Fortran 8.3 passes all unrecognized flags to the linker
+	  lt_prog_compiler_pic_FC='-KPIC'
+	  lt_prog_compiler_static_FC='-Bstatic'
+	  lt_prog_compiler_wl_FC=''
+	  ;;
+	esac
+	;;
+      esac
+      ;;
+
+    newsos6)
+      lt_prog_compiler_pic_FC='-KPIC'
+      lt_prog_compiler_static_FC='-Bstatic'
+      ;;
+
+    *nto* | *qnx*)
+      # QNX uses GNU C++, but need to define -shared option too, otherwise
+      # it will coredump.
+      lt_prog_compiler_pic_FC='-fPIC -shared'
+      ;;
+
+    osf3* | osf4* | osf5*)
+      lt_prog_compiler_wl_FC='-Wl,'
+      # All OSF/1 code is PIC.
+      lt_prog_compiler_static_FC='-non_shared'
+      ;;
+
+    rdos*)
+      lt_prog_compiler_static_FC='-non_shared'
+      ;;
+
+    solaris*)
+      lt_prog_compiler_pic_FC='-KPIC'
+      lt_prog_compiler_static_FC='-Bstatic'
+      case $cc_basename in
+      f77* | f90* | f95*)
+	lt_prog_compiler_wl_FC='-Qoption ld ';;
+      *)
+	lt_prog_compiler_wl_FC='-Wl,';;
+      esac
+      ;;
+
+    sunos4*)
+      lt_prog_compiler_wl_FC='-Qoption ld '
+      lt_prog_compiler_pic_FC='-PIC'
+      lt_prog_compiler_static_FC='-Bstatic'
+      ;;
+
+    sysv4 | sysv4.2uw2* | sysv4.3*)
+      lt_prog_compiler_wl_FC='-Wl,'
+      lt_prog_compiler_pic_FC='-KPIC'
+      lt_prog_compiler_static_FC='-Bstatic'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec ;then
+	lt_prog_compiler_pic_FC='-Kconform_pic'
+	lt_prog_compiler_static_FC='-Bstatic'
+      fi
+      ;;
+
+    sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
+      lt_prog_compiler_wl_FC='-Wl,'
+      lt_prog_compiler_pic_FC='-KPIC'
+      lt_prog_compiler_static_FC='-Bstatic'
+      ;;
+
+    unicos*)
+      lt_prog_compiler_wl_FC='-Wl,'
+      lt_prog_compiler_can_build_shared_FC=no
+      ;;
+
+    uts4*)
+      lt_prog_compiler_pic_FC='-pic'
+      lt_prog_compiler_static_FC='-Bstatic'
+      ;;
+
+    *)
+      lt_prog_compiler_can_build_shared_FC=no
+      ;;
+    esac
+  fi
+
+case $host_os in
+  # For platforms which do not support PIC, -DPIC is meaningless:
+  *djgpp*)
+    lt_prog_compiler_pic_FC=
+    ;;
+  *)
+    lt_prog_compiler_pic_FC="$lt_prog_compiler_pic_FC"
+    ;;
+esac
+{ $as_echo "$as_me:$LINENO: result: $lt_prog_compiler_pic_FC" >&5
+$as_echo "$lt_prog_compiler_pic_FC" >&6; }
+
+
+
+#
+# Check to make sure the PIC flag actually works.
+#
+if test -n "$lt_prog_compiler_pic_FC"; then
+  { $as_echo "$as_me:$LINENO: checking if $compiler PIC flag $lt_prog_compiler_pic_FC works" >&5
+$as_echo_n "checking if $compiler PIC flag $lt_prog_compiler_pic_FC works... " >&6; }
+if test "${lt_cv_prog_compiler_pic_works_FC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_prog_compiler_pic_works_FC=no
+   ac_outfile=conftest.$ac_objext
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+   lt_compiler_flag="$lt_prog_compiler_pic_FC"
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   # The option is referenced via a variable to avoid confusing sed.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:15791: $lt_compile\"" >&5)
+   (eval "$lt_compile" 2>conftest.err)
+   ac_status=$?
+   cat conftest.err >&5
+   echo "$as_me:15795: \$? = $ac_status" >&5
+   if (exit $ac_status) && test -s "$ac_outfile"; then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings other than the usual output.
+     $ECHO "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' >conftest.exp
+     $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+     if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
+       lt_cv_prog_compiler_pic_works_FC=yes
+     fi
+   fi
+   $RM conftest*
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_pic_works_FC" >&5
+$as_echo "$lt_cv_prog_compiler_pic_works_FC" >&6; }
+
+if test x"$lt_cv_prog_compiler_pic_works_FC" = xyes; then
+    case $lt_prog_compiler_pic_FC in
+     "" | " "*) ;;
+     *) lt_prog_compiler_pic_FC=" $lt_prog_compiler_pic_FC" ;;
+     esac
+else
+    lt_prog_compiler_pic_FC=
+     lt_prog_compiler_can_build_shared_FC=no
+fi
+
+fi
+
+
+
+#
+# Check to make sure the static flag actually works.
+#
+wl=$lt_prog_compiler_wl_FC eval lt_tmp_static_flag=\"$lt_prog_compiler_static_FC\"
+{ $as_echo "$as_me:$LINENO: checking if $compiler static flag $lt_tmp_static_flag works" >&5
+$as_echo_n "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; }
+if test "${lt_cv_prog_compiler_static_works_FC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_prog_compiler_static_works_FC=no
+   save_LDFLAGS="$LDFLAGS"
+   LDFLAGS="$LDFLAGS $lt_tmp_static_flag"
+   echo "$lt_simple_link_test_code" > conftest.$ac_ext
+   if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
+     # The linker can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     if test -s conftest.err; then
+       # Append any errors to the config.log.
+       cat conftest.err 1>&5
+       $ECHO "X$_lt_linker_boilerplate" | $Xsed -e '/^$/d' > conftest.exp
+       $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+       if diff conftest.exp conftest.er2 >/dev/null; then
+         lt_cv_prog_compiler_static_works_FC=yes
+       fi
+     else
+       lt_cv_prog_compiler_static_works_FC=yes
+     fi
+   fi
+   $RM -r conftest*
+   LDFLAGS="$save_LDFLAGS"
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_static_works_FC" >&5
+$as_echo "$lt_cv_prog_compiler_static_works_FC" >&6; }
+
+if test x"$lt_cv_prog_compiler_static_works_FC" = xyes; then
+    :
+else
+    lt_prog_compiler_static_FC=
+fi
+
+
+
+
+    { $as_echo "$as_me:$LINENO: checking if $compiler supports -c -o file.$ac_objext" >&5
+$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
+if test "${lt_cv_prog_compiler_c_o_FC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_prog_compiler_c_o_FC=no
+   $RM -r conftest 2>/dev/null
+   mkdir conftest
+   cd conftest
+   mkdir out
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+   lt_compiler_flag="-o out/conftest2.$ac_objext"
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:15890: $lt_compile\"" >&5)
+   (eval "$lt_compile" 2>out/conftest.err)
+   ac_status=$?
+   cat out/conftest.err >&5
+   echo "$as_me:15894: \$? = $ac_status" >&5
+   if (exit $ac_status) && test -s out/conftest2.$ac_objext
+   then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     $ECHO "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' > out/conftest.exp
+     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
+     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
+       lt_cv_prog_compiler_c_o_FC=yes
+     fi
+   fi
+   chmod u+w . 2>&5
+   $RM conftest*
+   # SGI C++ compiler will create directory out/ii_files/ for
+   # template instantiation
+   test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
+   $RM out/* && rmdir out
+   cd ..
+   $RM -r conftest
+   $RM conftest*
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_c_o_FC" >&5
+$as_echo "$lt_cv_prog_compiler_c_o_FC" >&6; }
+
+
+
+    { $as_echo "$as_me:$LINENO: checking if $compiler supports -c -o file.$ac_objext" >&5
+$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
+if test "${lt_cv_prog_compiler_c_o_FC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_prog_compiler_c_o_FC=no
+   $RM -r conftest 2>/dev/null
+   mkdir conftest
+   cd conftest
+   mkdir out
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+   lt_compiler_flag="-o out/conftest2.$ac_objext"
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:15942: $lt_compile\"" >&5)
+   (eval "$lt_compile" 2>out/conftest.err)
+   ac_status=$?
+   cat out/conftest.err >&5
+   echo "$as_me:15946: \$? = $ac_status" >&5
+   if (exit $ac_status) && test -s out/conftest2.$ac_objext
+   then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     $ECHO "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' > out/conftest.exp
+     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
+     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
+       lt_cv_prog_compiler_c_o_FC=yes
+     fi
+   fi
+   chmod u+w . 2>&5
+   $RM conftest*
+   # SGI C++ compiler will create directory out/ii_files/ for
+   # template instantiation
+   test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
+   $RM out/* && rmdir out
+   cd ..
+   $RM -r conftest
+   $RM conftest*
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_c_o_FC" >&5
+$as_echo "$lt_cv_prog_compiler_c_o_FC" >&6; }
+
+
+
+
+hard_links="nottested"
+if test "$lt_cv_prog_compiler_c_o_FC" = no && test "$need_locks" != no; then
+  # do not overwrite the value of need_locks provided by the user
+  { $as_echo "$as_me:$LINENO: checking if we can lock with hard links" >&5
+$as_echo_n "checking if we can lock with hard links... " >&6; }
+  hard_links=yes
+  $RM conftest*
+  ln conftest.a conftest.b 2>/dev/null && hard_links=no
+  touch conftest.a
+  ln conftest.a conftest.b 2>&5 || hard_links=no
+  ln conftest.a conftest.b 2>/dev/null && hard_links=no
+  { $as_echo "$as_me:$LINENO: result: $hard_links" >&5
+$as_echo "$hard_links" >&6; }
+  if test "$hard_links" = no; then
+    { $as_echo "$as_me:$LINENO: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&5
+$as_echo "$as_me: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2;}
+    need_locks=warn
+  fi
+else
+  need_locks=no
+fi
+
+
+
+    { $as_echo "$as_me:$LINENO: checking whether the $compiler linker ($LD) supports shared libraries" >&5
+$as_echo_n "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; }
+
+  runpath_var=
+  allow_undefined_flag_FC=
+  always_export_symbols_FC=no
+  archive_cmds_FC=
+  archive_expsym_cmds_FC=
+  compiler_needs_object_FC=no
+  enable_shared_with_static_runtimes_FC=no
+  export_dynamic_flag_spec_FC=
+  export_symbols_cmds_FC='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+  hardcode_automatic_FC=no
+  hardcode_direct_FC=no
+  hardcode_direct_absolute_FC=no
+  hardcode_libdir_flag_spec_FC=
+  hardcode_libdir_flag_spec_ld_FC=
+  hardcode_libdir_separator_FC=
+  hardcode_minus_L_FC=no
+  hardcode_shlibpath_var_FC=unsupported
+  inherit_rpath_FC=no
+  link_all_deplibs_FC=unknown
+  module_cmds_FC=
+  module_expsym_cmds_FC=
+  old_archive_from_new_cmds_FC=
+  old_archive_from_expsyms_cmds_FC=
+  thread_safe_flag_spec_FC=
+  whole_archive_flag_spec_FC=
+  # include_expsyms should be a list of space-separated symbols to be *always*
+  # included in the symbol list
+  include_expsyms_FC=
+  # exclude_expsyms can be an extended regexp of symbols to exclude
+  # it will be wrapped by ` (' and `)$', so one must not match beginning or
+  # end of line.  Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
+  # as well as any symbol that contains `d'.
+  exclude_expsyms_FC='_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'
+  # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
+  # platforms (ab)use it in PIC code, but their linkers get confused if
+  # the symbol is explicitly referenced.  Since portable code cannot
+  # rely on this symbol name, it's probably fine to never include it in
+  # preloaded symbol tables.
+  # Exclude shared library initialization/finalization symbols.
+  extract_expsyms_cmds=
+
+  case $host_os in
+  cygwin* | mingw* | pw32*)
+    # FIXME: the MSVC++ port hasn't been tested in a loooong time
+    # When not using gcc, we currently assume that we are using
+    # Microsoft Visual C++.
+    if test "$GCC" != yes; then
+      with_gnu_ld=no
+    fi
+    ;;
+  interix*)
+    # we just hope/assume this is gcc and not c89 (= MSVC++)
+    with_gnu_ld=yes
+    ;;
+  openbsd*)
+    with_gnu_ld=no
+    ;;
+  esac
+
+  ld_shlibs_FC=yes
+  if test "$with_gnu_ld" = yes; then
+    # If archive_cmds runs LD, not CC, wlarc should be empty
+    wlarc='${wl}'
+
+    # Set some defaults for GNU ld with shared library support. These
+    # are reset later if shared libraries are not supported. Putting them
+    # here allows them to be overridden if necessary.
+    runpath_var=LD_RUN_PATH
+    hardcode_libdir_flag_spec_FC='${wl}-rpath ${wl}$libdir'
+    export_dynamic_flag_spec_FC='${wl}--export-dynamic'
+    # ancient GNU ld didn't support --whole-archive et. al.
+    if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then
+      whole_archive_flag_spec_FC="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
+    else
+      whole_archive_flag_spec_FC=
+    fi
+    supports_anon_versioning=no
+    case `$LD -v 2>&1` in
+      *\ [01].* | *\ 2.[0-9].* | *\ 2.10.*) ;; # catch versions < 2.11
+      *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ...
+      *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ...
+      *\ 2.11.*) ;; # other 2.11 versions
+      *) supports_anon_versioning=yes ;;
+    esac
+
+    # See if GNU ld supports shared libraries.
+    case $host_os in
+    aix[3-9]*)
+      # On AIX/PPC, the GNU linker is very broken
+      if test "$host_cpu" != ia64; then
+	ld_shlibs_FC=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: the GNU linker, at least up to release 2.9.1, is reported
+*** to be unable to reliably create shared libraries on AIX.
+*** Therefore, libtool is disabling shared libraries support.  If you
+*** really care for shared libraries, you may want to modify your PATH
+*** so that a non-GNU linker is found, and then restart.
+
+_LT_EOF
+      fi
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            archive_cmds_FC='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+            archive_expsym_cmds_FC=''
+        ;;
+      m68k)
+            archive_cmds_FC='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+            hardcode_libdir_flag_spec_FC='-L$libdir'
+            hardcode_minus_L_FC=yes
+        ;;
+      esac
+      ;;
+
+    beos*)
+      if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	allow_undefined_flag_FC=unsupported
+	# Joseph Beckenbach <jrb3 at best.com> says some releases of gcc
+	# support --undefined.  This deserves some investigation.  FIXME
+	archive_cmds_FC='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+      else
+	ld_shlibs_FC=no
+      fi
+      ;;
+
+    cygwin* | mingw* | pw32*)
+      # _LT_TAGVAR(hardcode_libdir_flag_spec, FC) is actually meaningless,
+      # as there is no search path for DLLs.
+      hardcode_libdir_flag_spec_FC='-L$libdir'
+      allow_undefined_flag_FC=unsupported
+      always_export_symbols_FC=no
+      enable_shared_with_static_runtimes_FC=yes
+      export_symbols_cmds_FC='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1 DATA/'\'' | $SED -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols'
+
+      if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then
+        archive_cmds_FC='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+	# If the export-symbols file already is a .def file (1st line
+	# is EXPORTS), use it as is; otherwise, prepend...
+	archive_expsym_cmds_FC='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
+	  cp $export_symbols $output_objdir/$soname.def;
+	else
+	  echo EXPORTS > $output_objdir/$soname.def;
+	  cat $export_symbols >> $output_objdir/$soname.def;
+	fi~
+	$CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+      else
+	ld_shlibs_FC=no
+      fi
+      ;;
+
+    interix[3-9]*)
+      hardcode_direct_FC=no
+      hardcode_shlibpath_var_FC=no
+      hardcode_libdir_flag_spec_FC='${wl}-rpath,$libdir'
+      export_dynamic_flag_spec_FC='${wl}-E'
+      # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+      # Instead, shared libraries are loaded at an image base (0x10000000 by
+      # default) and relocated if they conflict, which is a slow very memory
+      # consuming and fragmenting process.  To avoid this, we pick a random,
+      # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+      # time.  Moving up from 0x10000000 also allows more sbrk(2) space.
+      archive_cmds_FC='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+      archive_expsym_cmds_FC='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+      ;;
+
+    gnu* | linux* | tpf* | k*bsd*-gnu)
+      tmp_diet=no
+      if test "$host_os" = linux-dietlibc; then
+	case $cc_basename in
+	  diet\ *) tmp_diet=yes;;	# linux-dietlibc with static linking (!diet-dyn)
+	esac
+      fi
+      if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
+	 && test "$tmp_diet" = no
+      then
+	tmp_addflag=
+	tmp_sharedflag='-shared'
+	case $cc_basename,$host_cpu in
+        pgcc*)				# Portland Group C compiler
+	  whole_archive_flag_spec_FC='${wl}--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $ECHO \"$new_convenience\"` ${wl}--no-whole-archive'
+	  tmp_addflag=' $pic_flag'
+	  ;;
+	pgf77* | pgf90* | pgf95*)	# Portland Group f77 and f90 compilers
+	  whole_archive_flag_spec_FC='${wl}--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $ECHO \"$new_convenience\"` ${wl}--no-whole-archive'
+	  tmp_addflag=' $pic_flag -Mnomain' ;;
+	ecc*,ia64* | icc*,ia64*)	# Intel C compiler on ia64
+	  tmp_addflag=' -i_dynamic' ;;
+	efc*,ia64* | ifort*,ia64*)	# Intel Fortran compiler on ia64
+	  tmp_addflag=' -i_dynamic -nofor_main' ;;
+	ifc* | ifort*)			# Intel Fortran compiler
+	  tmp_addflag=' -nofor_main' ;;
+	xl[cC]*)			# IBM XL C 8.0 on PPC (deal with xlf below)
+	  tmp_sharedflag='-qmkshrobj'
+	  tmp_addflag= ;;
+	esac
+	case `$CC -V 2>&1 | sed 5q` in
+	*Sun\ C*)			# Sun C 5.9
+	  whole_archive_flag_spec_FC='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; $ECHO \"$new_convenience\"` ${wl}--no-whole-archive'
+	  compiler_needs_object_FC=yes
+	  tmp_sharedflag='-G' ;;
+	*Sun\ F*)			# Sun Fortran 8.3
+	  tmp_sharedflag='-G' ;;
+	esac
+	archive_cmds_FC='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+
+        if test "x$supports_anon_versioning" = xyes; then
+          archive_expsym_cmds_FC='echo "{ global:" > $output_objdir/$libname.ver~
+	    cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+	    echo "local: *; };" >> $output_objdir/$libname.ver~
+	    $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib'
+        fi
+
+	case $cc_basename in
+	xlf*)
+	  # IBM XL Fortran 10.1 on PPC cannot create shared libs itself
+	  whole_archive_flag_spec_FC='--whole-archive$convenience --no-whole-archive'
+	  hardcode_libdir_flag_spec_FC=
+	  hardcode_libdir_flag_spec_ld_FC='-rpath $libdir'
+	  archive_cmds_FC='$LD -shared $libobjs $deplibs $compiler_flags -soname $soname -o $lib'
+	  if test "x$supports_anon_versioning" = xyes; then
+	    archive_expsym_cmds_FC='echo "{ global:" > $output_objdir/$libname.ver~
+	      cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+	      echo "local: *; };" >> $output_objdir/$libname.ver~
+	      $LD -shared $libobjs $deplibs $compiler_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib'
+	  fi
+	  ;;
+	esac
+      else
+        ld_shlibs_FC=no
+      fi
+      ;;
+
+    netbsd*)
+      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+	archive_cmds_FC='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
+	wlarc=
+      else
+	archive_cmds_FC='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	archive_expsym_cmds_FC='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+      fi
+      ;;
+
+    solaris*)
+      if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then
+	ld_shlibs_FC=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: The releases 2.8.* of the GNU linker cannot reliably
+*** create shared libraries on Solaris systems.  Therefore, libtool
+*** is disabling shared libraries support.  We urge you to upgrade GNU
+*** binutils to release 2.9.1 or newer.  Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+      elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	archive_cmds_FC='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	archive_expsym_cmds_FC='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+      else
+	ld_shlibs_FC=no
+      fi
+      ;;
+
+    sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
+      case `$LD -v 2>&1` in
+        *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*)
+	ld_shlibs_FC=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not
+*** reliably create shared libraries on SCO systems.  Therefore, libtool
+*** is disabling shared libraries support.  We urge you to upgrade GNU
+*** binutils to release 2.16.91.0.3 or newer.  Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+	;;
+	*)
+	  # For security reasons, it is highly recommended that you always
+	  # use absolute paths for naming shared libraries, and exclude the
+	  # DT_RUNPATH tag from executables and libraries.  But doing so
+	  # requires that you compile everything twice, which is a pain.
+	  if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	    hardcode_libdir_flag_spec_FC='${wl}-rpath ${wl}$libdir'
+	    archive_cmds_FC='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	    archive_expsym_cmds_FC='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+	  else
+	    ld_shlibs_FC=no
+	  fi
+	;;
+      esac
+      ;;
+
+    sunos4*)
+      archive_cmds_FC='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+      wlarc=
+      hardcode_direct_FC=yes
+      hardcode_shlibpath_var_FC=no
+      ;;
+
+    *)
+      if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	archive_cmds_FC='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	archive_expsym_cmds_FC='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+      else
+	ld_shlibs_FC=no
+      fi
+      ;;
+    esac
+
+    if test "$ld_shlibs_FC" = no; then
+      runpath_var=
+      hardcode_libdir_flag_spec_FC=
+      export_dynamic_flag_spec_FC=
+      whole_archive_flag_spec_FC=
+    fi
+  else
+    # PORTME fill in a description of your system's linker (not GNU ld)
+    case $host_os in
+    aix3*)
+      allow_undefined_flag_FC=unsupported
+      always_export_symbols_FC=yes
+      archive_expsym_cmds_FC='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
+      # Note: this linker hardcodes the directories in LIBPATH if there
+      # are no directories specified by -L.
+      hardcode_minus_L_FC=yes
+      if test "$GCC" = yes && test -z "$lt_prog_compiler_static"; then
+	# Neither direct hardcoding nor static linking is supported with a
+	# broken collect2.
+	hardcode_direct_FC=unsupported
+      fi
+      ;;
+
+    aix[4-9]*)
+      if test "$host_cpu" = ia64; then
+	# On IA64, the linker does run time linking by default, so we don't
+	# have to do anything special.
+	aix_use_runtimelinking=no
+	exp_sym_flag='-Bexport'
+	no_entry_flag=""
+      else
+	# If we're using GNU nm, then we don't want the "-C" option.
+	# -C means demangle to AIX nm, but means don't demangle with GNU nm
+	if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
+	  export_symbols_cmds_FC='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+	else
+	  export_symbols_cmds_FC='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+	fi
+	aix_use_runtimelinking=no
+
+	# Test if we are trying to use run time linking or normal
+	# AIX style linking. If -brtl is somewhere in LDFLAGS, we
+	# need to do runtime linking.
+	case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*)
+	  for ld_flag in $LDFLAGS; do
+	  if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
+	    aix_use_runtimelinking=yes
+	    break
+	  fi
+	  done
+	  ;;
+	esac
+
+	exp_sym_flag='-bexport'
+	no_entry_flag='-bnoentry'
+      fi
+
+      # When large executables or shared objects are built, AIX ld can
+      # have problems creating the table of contents.  If linking a library
+      # or program results in "error TOC overflow" add -mminimal-toc to
+      # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
+      # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
+
+      archive_cmds_FC=''
+      hardcode_direct_FC=yes
+      hardcode_direct_absolute_FC=yes
+      hardcode_libdir_separator_FC=':'
+      link_all_deplibs_FC=yes
+      file_list_spec_FC='${wl}-f,'
+
+      if test "$GCC" = yes; then
+	case $host_os in aix4.[012]|aix4.[012].*)
+	# We only want to do this on AIX 4.2 and lower, the check
+	# below for broken collect2 doesn't work under 4.3+
+	  collect2name=`${CC} -print-prog-name=collect2`
+	  if test -f "$collect2name" &&
+	   strings "$collect2name" | $GREP resolve_lib_name >/dev/null
+	  then
+	  # We have reworked collect2
+	  :
+	  else
+	  # We have old collect2
+	  hardcode_direct_FC=unsupported
+	  # It fails to find uninstalled libraries when the uninstalled
+	  # path is not listed in the libpath.  Setting hardcode_minus_L
+	  # to unsupported forces relinking
+	  hardcode_minus_L_FC=yes
+	  hardcode_libdir_flag_spec_FC='-L$libdir'
+	  hardcode_libdir_separator_FC=
+	  fi
+	  ;;
+	esac
+	shared_flag='-shared'
+	if test "$aix_use_runtimelinking" = yes; then
+	  shared_flag="$shared_flag "'${wl}-G'
+	fi
+      else
+	# not using gcc
+	if test "$host_cpu" = ia64; then
+	# VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
+	# chokes on -Wl,-G. The following line is correct:
+	  shared_flag='-G'
+	else
+	  if test "$aix_use_runtimelinking" = yes; then
+	    shared_flag='${wl}-G'
+	  else
+	    shared_flag='${wl}-bM:SRE'
+	  fi
+	fi
+      fi
+
+      # It seems that -bexpall does not export symbols beginning with
+      # underscore (_), so it is better to generate a list of symbols to export.
+      always_export_symbols_FC=yes
+      if test "$aix_use_runtimelinking" = yes; then
+	# Warning - without using the other runtime loading flags (-brtl),
+	# -berok will link without error, but may produce a broken library.
+	allow_undefined_flag_FC='-berok'
+        # Determine the default libpath from the value encoded in an
+        # empty executable.
+        cat >conftest.$ac_ext <<_ACEOF
+      program main
+
+      end
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_fc_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+
+lt_aix_libpath_sed='
+    /Import File Strings/,/^$/ {
+	/^0/ {
+	    s/^0  *\(.*\)$/\1/
+	    p
+	}
+    }'
+aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+# Check for a 64-bit object if we didn't find anything.
+if test -z "$aix_libpath"; then
+  aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+fi
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
+
+        hardcode_libdir_flag_spec_FC='${wl}-blibpath:$libdir:'"$aix_libpath"
+        archive_expsym_cmds_FC='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then $ECHO "X${wl}${allow_undefined_flag}" | $Xsed; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag"
+      else
+	if test "$host_cpu" = ia64; then
+	  hardcode_libdir_flag_spec_FC='${wl}-R $libdir:/usr/lib:/lib'
+	  allow_undefined_flag_FC="-z nodefs"
+	  archive_expsym_cmds_FC="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols"
+	else
+	 # Determine the default libpath from the value encoded in an
+	 # empty executable.
+	 cat >conftest.$ac_ext <<_ACEOF
+      program main
+
+      end
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_fc_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+
+lt_aix_libpath_sed='
+    /Import File Strings/,/^$/ {
+	/^0/ {
+	    s/^0  *\(.*\)$/\1/
+	    p
+	}
+    }'
+aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+# Check for a 64-bit object if we didn't find anything.
+if test -z "$aix_libpath"; then
+  aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+fi
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
+
+	 hardcode_libdir_flag_spec_FC='${wl}-blibpath:$libdir:'"$aix_libpath"
+	  # Warning - without using the other run time loading flags,
+	  # -berok will link without error, but may produce a broken library.
+	  no_undefined_flag_FC=' ${wl}-bernotok'
+	  allow_undefined_flag_FC=' ${wl}-berok'
+	  # Exported symbols can be pulled into shared objects from archives
+	  whole_archive_flag_spec_FC='$convenience'
+	  archive_cmds_need_lc_FC=yes
+	  # This is similar to how AIX traditionally builds its shared libraries.
+	  archive_expsym_cmds_FC="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
+	fi
+      fi
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            archive_cmds_FC='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+            archive_expsym_cmds_FC=''
+        ;;
+      m68k)
+            archive_cmds_FC='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+            hardcode_libdir_flag_spec_FC='-L$libdir'
+            hardcode_minus_L_FC=yes
+        ;;
+      esac
+      ;;
+
+    bsdi[45]*)
+      export_dynamic_flag_spec_FC=-rdynamic
+      ;;
+
+    cygwin* | mingw* | pw32*)
+      # When not using gcc, we currently assume that we are using
+      # Microsoft Visual C++.
+      # hardcode_libdir_flag_spec is actually meaningless, as there is
+      # no search path for DLLs.
+      hardcode_libdir_flag_spec_FC=' '
+      allow_undefined_flag_FC=unsupported
+      # Tell ltmain to make .lib files, not .a files.
+      libext=lib
+      # Tell ltmain to make .dll files, not .so files.
+      shrext_cmds=".dll"
+      # FIXME: Setting linknames here is a bad hack.
+      archive_cmds_FC='$CC -o $lib $libobjs $compiler_flags `$ECHO "X$deplibs" | $Xsed -e '\''s/ -lc$//'\''` -link -dll~linknames='
+      # The linker will automatically build a .lib file if we build a DLL.
+      old_archive_from_new_cmds_FC='true'
+      # FIXME: Should let the user specify the lib program.
+      old_archive_cmds_FC='lib -OUT:$oldlib$oldobjs$old_deplibs'
+      fix_srcfile_path_FC='`cygpath -w "$srcfile"`'
+      enable_shared_with_static_runtimes_FC=yes
+      ;;
+
+    darwin* | rhapsody*)
+
+
+  archive_cmds_need_lc_FC=no
+  hardcode_direct_FC=no
+  hardcode_automatic_FC=yes
+  hardcode_shlibpath_var_FC=unsupported
+  whole_archive_flag_spec_FC=''
+  link_all_deplibs_FC=yes
+  allow_undefined_flag_FC="$_lt_dar_allow_undefined"
+  if test "$GCC" = "yes"; then
+    output_verbose_link_cmd=echo
+    archive_cmds_FC="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}"
+    module_cmds_FC="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}"
+    archive_expsym_cmds_FC="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}"
+    module_expsym_cmds_FC="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}"
+
+  else
+  ld_shlibs_FC=no
+  fi
+
+      ;;
+
+    dgux*)
+      archive_cmds_FC='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      hardcode_libdir_flag_spec_FC='-L$libdir'
+      hardcode_shlibpath_var_FC=no
+      ;;
+
+    freebsd1*)
+      ld_shlibs_FC=no
+      ;;
+
+    # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
+    # support.  Future versions do this automatically, but an explicit c++rt0.o
+    # does not break anything, and helps significantly (at the cost of a little
+    # extra space).
+    freebsd2.2*)
+      archive_cmds_FC='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
+      hardcode_libdir_flag_spec_FC='-R$libdir'
+      hardcode_direct_FC=yes
+      hardcode_shlibpath_var_FC=no
+      ;;
+
+    # Unfortunately, older versions of FreeBSD 2 do not have this feature.
+    freebsd2*)
+      archive_cmds_FC='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+      hardcode_direct_FC=yes
+      hardcode_minus_L_FC=yes
+      hardcode_shlibpath_var_FC=no
+      ;;
+
+    # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
+    freebsd* | dragonfly*)
+      archive_cmds_FC='$CC -shared -o $lib $libobjs $deplibs $compiler_flags'
+      hardcode_libdir_flag_spec_FC='-R$libdir'
+      hardcode_direct_FC=yes
+      hardcode_shlibpath_var_FC=no
+      ;;
+
+    hpux9*)
+      if test "$GCC" = yes; then
+	archive_cmds_FC='$RM $output_objdir/$soname~$CC -shared -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+      else
+	archive_cmds_FC='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+      fi
+      hardcode_libdir_flag_spec_FC='${wl}+b ${wl}$libdir'
+      hardcode_libdir_separator_FC=:
+      hardcode_direct_FC=yes
+
+      # hardcode_minus_L: Not really in the search PATH,
+      # but as the default location of the library.
+      hardcode_minus_L_FC=yes
+      export_dynamic_flag_spec_FC='${wl}-E'
+      ;;
+
+    hpux10*)
+      if test "$GCC" = yes -a "$with_gnu_ld" = no; then
+	archive_cmds_FC='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	archive_cmds_FC='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
+      fi
+      if test "$with_gnu_ld" = no; then
+	hardcode_libdir_flag_spec_FC='${wl}+b ${wl}$libdir'
+	hardcode_libdir_flag_spec_ld_FC='+b $libdir'
+	hardcode_libdir_separator_FC=:
+	hardcode_direct_FC=yes
+	hardcode_direct_absolute_FC=yes
+	export_dynamic_flag_spec_FC='${wl}-E'
+	# hardcode_minus_L: Not really in the search PATH,
+	# but as the default location of the library.
+	hardcode_minus_L_FC=yes
+      fi
+      ;;
+
+    hpux11*)
+      if test "$GCC" = yes -a "$with_gnu_ld" = no; then
+	case $host_cpu in
+	hppa*64*)
+	  archive_cmds_FC='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	ia64*)
+	  archive_cmds_FC='$CC -shared ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	*)
+	  archive_cmds_FC='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	esac
+      else
+	case $host_cpu in
+	hppa*64*)
+	  archive_cmds_FC='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	ia64*)
+	  archive_cmds_FC='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	*)
+	  archive_cmds_FC='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	esac
+      fi
+      if test "$with_gnu_ld" = no; then
+	hardcode_libdir_flag_spec_FC='${wl}+b ${wl}$libdir'
+	hardcode_libdir_separator_FC=:
+
+	case $host_cpu in
+	hppa*64*|ia64*)
+	  hardcode_direct_FC=no
+	  hardcode_shlibpath_var_FC=no
+	  ;;
+	*)
+	  hardcode_direct_FC=yes
+	  hardcode_direct_absolute_FC=yes
+	  export_dynamic_flag_spec_FC='${wl}-E'
+
+	  # hardcode_minus_L: Not really in the search PATH,
+	  # but as the default location of the library.
+	  hardcode_minus_L_FC=yes
+	  ;;
+	esac
+      fi
+      ;;
+
+    irix5* | irix6* | nonstopux*)
+      if test "$GCC" = yes; then
+	archive_cmds_FC='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+	# Try to use the -exported_symbol ld option, if it does not
+	# work, assume that -exports_file does not work either and
+	# implicitly export all symbols.
+        save_LDFLAGS="$LDFLAGS"
+        LDFLAGS="$LDFLAGS -shared ${wl}-exported_symbol ${wl}foo ${wl}-update_registry ${wl}/dev/null"
+        cat >conftest.$ac_ext <<_ACEOF
+int foo(void) {}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_fc_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  archive_expsym_cmds_FC='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations ${wl}-exports_file ${wl}$export_symbols -o $lib'
+
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+        LDFLAGS="$save_LDFLAGS"
+      else
+	archive_cmds_FC='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib'
+	archive_expsym_cmds_FC='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -exports_file $export_symbols -o $lib'
+      fi
+      archive_cmds_need_lc_FC='no'
+      hardcode_libdir_flag_spec_FC='${wl}-rpath ${wl}$libdir'
+      hardcode_libdir_separator_FC=:
+      inherit_rpath_FC=yes
+      link_all_deplibs_FC=yes
+      ;;
+
+    netbsd*)
+      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+	archive_cmds_FC='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
+      else
+	archive_cmds_FC='$LD -shared -o $lib $libobjs $deplibs $linker_flags'      # ELF
+      fi
+      hardcode_libdir_flag_spec_FC='-R$libdir'
+      hardcode_direct_FC=yes
+      hardcode_shlibpath_var_FC=no
+      ;;
+
+    newsos6)
+      archive_cmds_FC='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      hardcode_direct_FC=yes
+      hardcode_libdir_flag_spec_FC='${wl}-rpath ${wl}$libdir'
+      hardcode_libdir_separator_FC=:
+      hardcode_shlibpath_var_FC=no
+      ;;
+
+    *nto* | *qnx*)
+      ;;
+
+    openbsd*)
+      if test -f /usr/libexec/ld.so; then
+	hardcode_direct_FC=yes
+	hardcode_shlibpath_var_FC=no
+	hardcode_direct_absolute_FC=yes
+	if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+	  archive_cmds_FC='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+	  archive_expsym_cmds_FC='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols'
+	  hardcode_libdir_flag_spec_FC='${wl}-rpath,$libdir'
+	  export_dynamic_flag_spec_FC='${wl}-E'
+	else
+	  case $host_os in
+	   openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
+	     archive_cmds_FC='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+	     hardcode_libdir_flag_spec_FC='-R$libdir'
+	     ;;
+	   *)
+	     archive_cmds_FC='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+	     hardcode_libdir_flag_spec_FC='${wl}-rpath,$libdir'
+	     ;;
+	  esac
+	fi
+      else
+	ld_shlibs_FC=no
+      fi
+      ;;
+
+    os2*)
+      hardcode_libdir_flag_spec_FC='-L$libdir'
+      hardcode_minus_L_FC=yes
+      allow_undefined_flag_FC=unsupported
+      archive_cmds_FC='$ECHO "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~$ECHO DATA >> $output_objdir/$libname.def~$ECHO " SINGLE NONSHARED" >> $output_objdir/$libname.def~$ECHO EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def'
+      old_archive_from_new_cmds_FC='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
+      ;;
+
+    osf3*)
+      if test "$GCC" = yes; then
+	allow_undefined_flag_FC=' ${wl}-expect_unresolved ${wl}\*'
+	archive_cmds_FC='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+      else
+	allow_undefined_flag_FC=' -expect_unresolved \*'
+	archive_cmds_FC='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib'
+      fi
+      archive_cmds_need_lc_FC='no'
+      hardcode_libdir_flag_spec_FC='${wl}-rpath ${wl}$libdir'
+      hardcode_libdir_separator_FC=:
+      ;;
+
+    osf4* | osf5*)	# as osf3* with the addition of -msym flag
+      if test "$GCC" = yes; then
+	allow_undefined_flag_FC=' ${wl}-expect_unresolved ${wl}\*'
+	archive_cmds_FC='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+	hardcode_libdir_flag_spec_FC='${wl}-rpath ${wl}$libdir'
+      else
+	allow_undefined_flag_FC=' -expect_unresolved \*'
+	archive_cmds_FC='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib'
+	archive_expsym_cmds_FC='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~
+	$CC -shared${allow_undefined_flag} ${wl}-input ${wl}$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib~$RM $lib.exp'
+
+	# Both c and cxx compiler support -rpath directly
+	hardcode_libdir_flag_spec_FC='-rpath $libdir'
+      fi
+      archive_cmds_need_lc_FC='no'
+      hardcode_libdir_separator_FC=:
+      ;;
+
+    solaris*)
+      no_undefined_flag_FC=' -z defs'
+      if test "$GCC" = yes; then
+	wlarc='${wl}'
+	archive_cmds_FC='$CC -shared ${wl}-z ${wl}text ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds_FC='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+	  $CC -shared ${wl}-z ${wl}text ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
+      else
+	case `$CC -V 2>&1` in
+	*"Compilers 5.0"*)
+	  wlarc=''
+	  archive_cmds_FC='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  archive_expsym_cmds_FC='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+	  $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp'
+	  ;;
+	*)
+	  wlarc='${wl}'
+	  archive_cmds_FC='$CC -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $compiler_flags'
+	  archive_expsym_cmds_FC='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+	  $CC -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
+	  ;;
+	esac
+      fi
+      hardcode_libdir_flag_spec_FC='-R$libdir'
+      hardcode_shlibpath_var_FC=no
+      case $host_os in
+      solaris2.[0-5] | solaris2.[0-5].*) ;;
+      *)
+	# The compiler driver will combine and reorder linker options,
+	# but understands `-z linker_flag'.  GCC discards it without `$wl',
+	# but is careful enough not to reorder.
+	# Supported since Solaris 2.6 (maybe 2.5.1?)
+	if test "$GCC" = yes; then
+	  whole_archive_flag_spec_FC='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
+	else
+	  whole_archive_flag_spec_FC='-z allextract$convenience -z defaultextract'
+	fi
+	;;
+      esac
+      link_all_deplibs_FC=yes
+      ;;
+
+    sunos4*)
+      if test "x$host_vendor" = xsequent; then
+	# Use $CC to link under sequent, because it throws in some extra .o
+	# files that make .init and .fini sections work.
+	archive_cmds_FC='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	archive_cmds_FC='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
+      fi
+      hardcode_libdir_flag_spec_FC='-L$libdir'
+      hardcode_direct_FC=yes
+      hardcode_minus_L_FC=yes
+      hardcode_shlibpath_var_FC=no
+      ;;
+
+    sysv4)
+      case $host_vendor in
+	sni)
+	  archive_cmds_FC='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  hardcode_direct_FC=yes # is this really true???
+	;;
+	siemens)
+	  ## LD is ld it makes a PLAMLIB
+	  ## CC just makes a GrossModule.
+	  archive_cmds_FC='$LD -G -o $lib $libobjs $deplibs $linker_flags'
+	  reload_cmds_FC='$CC -r -o $output$reload_objs'
+	  hardcode_direct_FC=no
+        ;;
+	motorola)
+	  archive_cmds_FC='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  hardcode_direct_FC=no #Motorola manual says yes, but my tests say they lie
+	;;
+      esac
+      runpath_var='LD_RUN_PATH'
+      hardcode_shlibpath_var_FC=no
+      ;;
+
+    sysv4.3*)
+      archive_cmds_FC='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      hardcode_shlibpath_var_FC=no
+      export_dynamic_flag_spec_FC='-Bexport'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	archive_cmds_FC='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	hardcode_shlibpath_var_FC=no
+	runpath_var=LD_RUN_PATH
+	hardcode_runpath_var=yes
+	ld_shlibs_FC=yes
+      fi
+      ;;
+
+    sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*)
+      no_undefined_flag_FC='${wl}-z,text'
+      archive_cmds_need_lc_FC=no
+      hardcode_shlibpath_var_FC=no
+      runpath_var='LD_RUN_PATH'
+
+      if test "$GCC" = yes; then
+	archive_cmds_FC='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds_FC='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	archive_cmds_FC='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds_FC='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      fi
+      ;;
+
+    sysv5* | sco3.2v5* | sco5v6*)
+      # Note: We can NOT use -z defs as we might desire, because we do not
+      # link with -lc, and that would cause any symbols used from libc to
+      # always be unresolved, which means just about no library would
+      # ever link correctly.  If we're not using GNU ld we use -z text
+      # though, which does catch some bad symbols but isn't as heavy-handed
+      # as -z defs.
+      no_undefined_flag_FC='${wl}-z,text'
+      allow_undefined_flag_FC='${wl}-z,nodefs'
+      archive_cmds_need_lc_FC=no
+      hardcode_shlibpath_var_FC=no
+      hardcode_libdir_flag_spec_FC='${wl}-R,$libdir'
+      hardcode_libdir_separator_FC=':'
+      link_all_deplibs_FC=yes
+      export_dynamic_flag_spec_FC='${wl}-Bexport'
+      runpath_var='LD_RUN_PATH'
+
+      if test "$GCC" = yes; then
+	archive_cmds_FC='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds_FC='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	archive_cmds_FC='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds_FC='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      fi
+      ;;
+
+    uts4*)
+      archive_cmds_FC='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      hardcode_libdir_flag_spec_FC='-L$libdir'
+      hardcode_shlibpath_var_FC=no
+      ;;
+
+    *)
+      ld_shlibs_FC=no
+      ;;
+    esac
+
+    if test x$host_vendor = xsni; then
+      case $host in
+      sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
+	export_dynamic_flag_spec_FC='${wl}-Blargedynsym'
+	;;
+      esac
+    fi
+  fi
+
+{ $as_echo "$as_me:$LINENO: result: $ld_shlibs_FC" >&5
+$as_echo "$ld_shlibs_FC" >&6; }
+test "$ld_shlibs_FC" = no && can_build_shared=no
+
+with_gnu_ld_FC=$with_gnu_ld
+
+
+
+
+
+
+#
+# Do we need to explicitly link libc?
+#
+case "x$archive_cmds_need_lc_FC" in
+x|xyes)
+  # Assume -lc should be added
+  archive_cmds_need_lc_FC=yes
+
+  if test "$enable_shared" = yes && test "$GCC" = yes; then
+    case $archive_cmds_FC in
+    *'~'*)
+      # FIXME: we may have to deal with multi-command sequences.
+      ;;
+    '$CC '*)
+      # Test whether the compiler implicitly links with -lc since on some
+      # systems, -lgcc has to come before -lc. If gcc already passes -lc
+      # to ld, don't add -lc before -lgcc.
+      { $as_echo "$as_me:$LINENO: checking whether -lc should be explicitly linked in" >&5
+$as_echo_n "checking whether -lc should be explicitly linked in... " >&6; }
+      $RM conftest*
+      echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+      if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } 2>conftest.err; then
+        soname=conftest
+        lib=conftest
+        libobjs=conftest.$ac_objext
+        deplibs=
+        wl=$lt_prog_compiler_wl_FC
+	pic_flag=$lt_prog_compiler_pic_FC
+        compiler_flags=-v
+        linker_flags=-v
+        verstring=
+        output_objdir=.
+        libname=conftest
+        lt_save_allow_undefined_flag=$allow_undefined_flag_FC
+        allow_undefined_flag_FC=
+        if { (eval echo "$as_me:$LINENO: \"$archive_cmds_FC 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1\"") >&5
+  (eval $archive_cmds_FC 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+        then
+	  archive_cmds_need_lc_FC=no
+        else
+	  archive_cmds_need_lc_FC=yes
+        fi
+        allow_undefined_flag_FC=$lt_save_allow_undefined_flag
+      else
+        cat conftest.err 1>&5
+      fi
+      $RM conftest*
+      { $as_echo "$as_me:$LINENO: result: $archive_cmds_need_lc_FC" >&5
+$as_echo "$archive_cmds_need_lc_FC" >&6; }
+      ;;
+    esac
+  fi
+  ;;
+esac
+
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+
+
+
+
+
+
+    { $as_echo "$as_me:$LINENO: checking dynamic linker characteristics" >&5
+$as_echo_n "checking dynamic linker characteristics... " >&6; }
+
+library_names_spec=
+libname_spec='lib$name'
+soname_spec=
+shrext_cmds=".so"
+postinstall_cmds=
+postuninstall_cmds=
+finish_cmds=
+finish_eval=
+shlibpath_var=
+shlibpath_overrides_runpath=unknown
+version_type=none
+dynamic_linker="$host_os ld.so"
+sys_lib_dlsearch_path_spec="/lib /usr/lib"
+need_lib_prefix=unknown
+hardcode_into_libs=no
+
+# when you set need_version to no, make sure it does not cause -set_version
+# flags to be left without arguments
+need_version=unknown
+
+case $host_os in
+aix3*)
+  version_type=linux
+  library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a'
+  shlibpath_var=LIBPATH
+
+  # AIX 3 has no versioning support, so we append a major version to the name.
+  soname_spec='${libname}${release}${shared_ext}$major'
+  ;;
+
+aix[4-9]*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  hardcode_into_libs=yes
+  if test "$host_cpu" = ia64; then
+    # AIX 5 supports IA64
+    library_names_spec='${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext}$versuffix $libname${shared_ext}'
+    shlibpath_var=LD_LIBRARY_PATH
+  else
+    # With GCC up to 2.95.x, collect2 would create an import file
+    # for dependence libraries.  The import file would start with
+    # the line `#! .'.  This would cause the generated library to
+    # depend on `.', always an invalid library.  This was fixed in
+    # development snapshots of GCC prior to 3.0.
+    case $host_os in
+      aix4 | aix4.[01] | aix4.[01].*)
+      if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
+	   echo ' yes '
+	   echo '#endif'; } | ${CC} -E - | $GREP yes > /dev/null; then
+	:
+      else
+	can_build_shared=no
+      fi
+      ;;
+    esac
+    # AIX (on Power*) has no versioning support, so currently we can not hardcode correct
+    # soname into executable. Probably we can add versioning support to
+    # collect2, so additional links can be useful in future.
+    if test "$aix_use_runtimelinking" = yes; then
+      # If using run time linking (on AIX 4.2 or later) use lib<name>.so
+      # instead of lib<name>.a to let people know that these are not
+      # typical AIX shared libraries.
+      library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    else
+      # We preserve .a as extension for shared libraries through AIX4.2
+      # and later when we are not doing run time linking.
+      library_names_spec='${libname}${release}.a $libname.a'
+      soname_spec='${libname}${release}${shared_ext}$major'
+    fi
+    shlibpath_var=LIBPATH
+  fi
+  ;;
+
+amigaos*)
+  case $host_cpu in
+  powerpc)
+    # Since July 2007 AmigaOS4 officially supports .so libraries.
+    # When compiling the executable, add -use-dynld -Lsobjs: to the compileline.
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    ;;
+  m68k)
+    library_names_spec='$libname.ixlibrary $libname.a'
+    # Create ${libname}_ixlibrary.a entries in /sys/libs.
+    finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`$ECHO "X$lib" | $Xsed -e '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; test $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
+    ;;
+  esac
+  ;;
+
+beos*)
+  library_names_spec='${libname}${shared_ext}'
+  dynamic_linker="$host_os ld.so"
+  shlibpath_var=LIBRARY_PATH
+  ;;
+
+bsdi[45]*)
+  version_type=linux
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
+  sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
+  # the default ld.so.conf also contains /usr/contrib/lib and
+  # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
+  # libtool to hard-code these into programs
+  ;;
+
+cygwin* | mingw* | pw32*)
+  version_type=windows
+  shrext_cmds=".dll"
+  need_version=no
+  need_lib_prefix=no
+
+  case $GCC,$host_os in
+  yes,cygwin* | yes,mingw* | yes,pw32*)
+    library_names_spec='$libname.dll.a'
+    # DLL is installed to $(libdir)/../bin by postinstall_cmds
+    postinstall_cmds='base_file=`basename \${file}`~
+      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~
+      dldir=$destdir/`dirname \$dlpath`~
+      test -d \$dldir || mkdir -p \$dldir~
+      $install_prog $dir/$dlname \$dldir/$dlname~
+      chmod a+x \$dldir/$dlname~
+      if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
+        eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
+      fi'
+    postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
+      dlpath=$dir/\$dldll~
+       $RM \$dlpath'
+    shlibpath_overrides_runpath=yes
+
+    case $host_os in
+    cygwin*)
+      # Cygwin DLLs use 'cyg' prefix rather than 'lib'
+      soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+      sys_lib_search_path_spec="/usr/lib /lib/w32api /lib /usr/local/lib"
+      ;;
+    mingw*)
+      # MinGW DLLs use traditional 'lib' prefix
+      soname_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+      sys_lib_search_path_spec=`$CC -print-search-dirs | $GREP "^libraries:" | $SED -e "s/^libraries://" -e "s,=/,/,g"`
+      if $ECHO "$sys_lib_search_path_spec" | $GREP ';[c-zC-Z]:/' >/dev/null; then
+        # It is most probably a Windows format PATH printed by
+        # mingw gcc, but we are running on Cygwin. Gcc prints its search
+        # path with ; separators, and with drive letters. We can handle the
+        # drive letters (cygwin fileutils understands them), so leave them,
+        # especially as we might pass files found there to a mingw objdump,
+        # which wouldn't understand a cygwinified path. Ahh.
+        sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
+      else
+        sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED  -e "s/$PATH_SEPARATOR/ /g"`
+      fi
+      ;;
+    pw32*)
+      # pw32 DLLs use 'pw' prefix rather than 'lib'
+      library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+      ;;
+    esac
+    ;;
+
+  *)
+    library_names_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext} $libname.lib'
+    ;;
+  esac
+  dynamic_linker='Win32 ld.exe'
+  # FIXME: first we should search . and the directory the executable is in
+  shlibpath_var=PATH
+  ;;
+
+darwin* | rhapsody*)
+  dynamic_linker="$host_os dyld"
+  version_type=darwin
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${major}$shared_ext ${libname}$shared_ext'
+  soname_spec='${libname}${release}${major}$shared_ext'
+  shlibpath_overrides_runpath=yes
+  shlibpath_var=DYLD_LIBRARY_PATH
+  shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`'
+
+  sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
+  ;;
+
+dgux*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  ;;
+
+freebsd1*)
+  dynamic_linker=no
+  ;;
+
+freebsd* | dragonfly*)
+  # DragonFly does not have aout.  When/if they implement a new
+  # versioning mechanism, adjust this.
+  if test -x /usr/bin/objformat; then
+    objformat=`/usr/bin/objformat`
+  else
+    case $host_os in
+    freebsd[123]*) objformat=aout ;;
+    *) objformat=elf ;;
+    esac
+  fi
+  version_type=freebsd-$objformat
+  case $version_type in
+    freebsd-elf*)
+      library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+      need_version=no
+      need_lib_prefix=no
+      ;;
+    freebsd-*)
+      library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix'
+      need_version=yes
+      ;;
+  esac
+  shlibpath_var=LD_LIBRARY_PATH
+  case $host_os in
+  freebsd2*)
+    shlibpath_overrides_runpath=yes
+    ;;
+  freebsd3.[01]* | freebsdelf3.[01]*)
+    shlibpath_overrides_runpath=yes
+    hardcode_into_libs=yes
+    ;;
+  freebsd3.[2-9]* | freebsdelf3.[2-9]* | \
+  freebsd4.[0-5] | freebsdelf4.[0-5] | freebsd4.1.1 | freebsdelf4.1.1)
+    shlibpath_overrides_runpath=no
+    hardcode_into_libs=yes
+    ;;
+  *) # from 4.6 on, and DragonFly
+    shlibpath_overrides_runpath=yes
+    hardcode_into_libs=yes
+    ;;
+  esac
+  ;;
+
+gnu*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  hardcode_into_libs=yes
+  ;;
+
+hpux9* | hpux10* | hpux11*)
+  # Give a soname corresponding to the major version so that dld.sl refuses to
+  # link against other versions.
+  version_type=sunos
+  need_lib_prefix=no
+  need_version=no
+  case $host_cpu in
+  ia64*)
+    shrext_cmds='.so'
+    hardcode_into_libs=yes
+    dynamic_linker="$host_os dld.so"
+    shlibpath_var=LD_LIBRARY_PATH
+    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    soname_spec='${libname}${release}${shared_ext}$major'
+    if test "X$HPUX_IA64_MODE" = X32; then
+      sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
+    else
+      sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
+    fi
+    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+    ;;
+  hppa*64*)
+    shrext_cmds='.sl'
+    hardcode_into_libs=yes
+    dynamic_linker="$host_os dld.sl"
+    shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
+    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    soname_spec='${libname}${release}${shared_ext}$major'
+    sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
+    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+    ;;
+  *)
+    shrext_cmds='.sl'
+    dynamic_linker="$host_os dld.sl"
+    shlibpath_var=SHLIB_PATH
+    shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    soname_spec='${libname}${release}${shared_ext}$major'
+    ;;
+  esac
+  # HP-UX runs *really* slowly unless shared libraries are mode 555.
+  postinstall_cmds='chmod 555 $lib'
+  ;;
+
+interix[3-9]*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  ;;
+
+irix5* | irix6* | nonstopux*)
+  case $host_os in
+    nonstopux*) version_type=nonstopux ;;
+    *)
+	if test "$lt_cv_prog_gnu_ld" = yes; then
+		version_type=linux
+	else
+		version_type=irix
+	fi ;;
+  esac
+  need_lib_prefix=no
+  need_version=no
+  soname_spec='${libname}${release}${shared_ext}$major'
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}'
+  case $host_os in
+  irix5* | nonstopux*)
+    libsuff= shlibsuff=
+    ;;
+  *)
+    case $LD in # libtool.m4 will add one of these switches to LD
+    *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ")
+      libsuff= shlibsuff= libmagic=32-bit;;
+    *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ")
+      libsuff=32 shlibsuff=N32 libmagic=N32;;
+    *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ")
+      libsuff=64 shlibsuff=64 libmagic=64-bit;;
+    *) libsuff= shlibsuff= libmagic=never-match;;
+    esac
+    ;;
+  esac
+  shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
+  shlibpath_overrides_runpath=no
+  sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
+  sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
+  hardcode_into_libs=yes
+  ;;
+
+# No shared lib support for Linux oldld, aout, or coff.
+linux*oldld* | linux*aout* | linux*coff*)
+  dynamic_linker=no
+  ;;
+
+# This must be Linux ELF.
+linux* | k*bsd*-gnu)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  # Some binutils ld are patched to set DT_RUNPATH
+  save_LDFLAGS=$LDFLAGS
+  save_libdir=$libdir
+  eval "libdir=/foo; wl=\"$lt_prog_compiler_wl_FC\"; \
+       LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec_FC\""
+  cat >conftest.$ac_ext <<_ACEOF
+      program main
+
+      end
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_fc_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  if  ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then
+  shlibpath_overrides_runpath=yes
+fi
+
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+  LDFLAGS=$save_LDFLAGS
+  libdir=$save_libdir
+
+  # This implies no fast_install, which is unacceptable.
+  # Some rework will be needed to allow for fast_install
+  # before this can be enabled.
+  hardcode_into_libs=yes
+
+  # Append ld.so.conf contents to the search path
+  if test -f /etc/ld.so.conf; then
+    lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[	 ]*hwcap[	 ]/d;s/[:,	]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;/^$/d' | tr '\n' ' '`
+    sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
+  fi
+
+  # We used to test for /lib/ld.so.1 and disable shared libraries on
+  # powerpc, because MkLinux only supported shared libraries with the
+  # GNU dynamic linker.  Since this was broken with cross compilers,
+  # most powerpc-linux boxes support dynamic linking these days and
+  # people can always --disable-shared, the test was removed, and we
+  # assume the GNU/Linux dynamic linker is in use.
+  dynamic_linker='GNU/Linux ld.so'
+  ;;
+
+netbsd*)
+  version_type=sunos
+  need_lib_prefix=no
+  need_version=no
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+    finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+    dynamic_linker='NetBSD (a.out) ld.so'
+  else
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+    soname_spec='${libname}${release}${shared_ext}$major'
+    dynamic_linker='NetBSD ld.elf_so'
+  fi
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  ;;
+
+newsos6)
+  version_type=linux
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  ;;
+
+*nto* | *qnx*)
+  version_type=qnx
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  dynamic_linker='ldqnx.so'
+  ;;
+
+openbsd*)
+  version_type=sunos
+  sys_lib_dlsearch_path_spec="/usr/lib"
+  need_lib_prefix=no
+  # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs.
+  case $host_os in
+    openbsd3.3 | openbsd3.3.*)	need_version=yes ;;
+    *)				need_version=no  ;;
+  esac
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+    case $host_os in
+      openbsd2.[89] | openbsd2.[89].*)
+	shlibpath_overrides_runpath=no
+	;;
+      *)
+	shlibpath_overrides_runpath=yes
+	;;
+      esac
+  else
+    shlibpath_overrides_runpath=yes
+  fi
+  ;;
+
+os2*)
+  libname_spec='$name'
+  shrext_cmds=".dll"
+  need_lib_prefix=no
+  library_names_spec='$libname${shared_ext} $libname.a'
+  dynamic_linker='OS/2 ld.exe'
+  shlibpath_var=LIBPATH
+  ;;
+
+osf3* | osf4* | osf5*)
+  version_type=osf
+  need_lib_prefix=no
+  need_version=no
+  soname_spec='${libname}${release}${shared_ext}$major'
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  shlibpath_var=LD_LIBRARY_PATH
+  sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
+  sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
+  ;;
+
+rdos*)
+  dynamic_linker=no
+  ;;
+
+solaris*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  # ldd complains unless libraries are executable
+  postinstall_cmds='chmod +x $lib'
+  ;;
+
+sunos4*)
+  version_type=sunos
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+  finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  if test "$with_gnu_ld" = yes; then
+    need_lib_prefix=no
+  fi
+  need_version=yes
+  ;;
+
+sysv4 | sysv4.3*)
+  version_type=linux
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  case $host_vendor in
+    sni)
+      shlibpath_overrides_runpath=no
+      need_lib_prefix=no
+      runpath_var=LD_RUN_PATH
+      ;;
+    siemens)
+      need_lib_prefix=no
+      ;;
+    motorola)
+      need_lib_prefix=no
+      need_version=no
+      shlibpath_overrides_runpath=no
+      sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
+      ;;
+  esac
+  ;;
+
+sysv4*MP*)
+  if test -d /usr/nec ;then
+    version_type=linux
+    library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}'
+    soname_spec='$libname${shared_ext}.$major'
+    shlibpath_var=LD_LIBRARY_PATH
+  fi
+  ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+  version_type=freebsd-elf
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  if test "$with_gnu_ld" = yes; then
+    sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib'
+  else
+    sys_lib_search_path_spec='/usr/ccs/lib /usr/lib'
+    case $host_os in
+      sco3.2v5*)
+        sys_lib_search_path_spec="$sys_lib_search_path_spec /lib"
+	;;
+    esac
+  fi
+  sys_lib_dlsearch_path_spec='/usr/lib'
+  ;;
+
+tpf*)
+  # TPF is a cross-target only.  Preferred cross-host = GNU/Linux.
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_name_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  ;;
+
+uts4*)
+  version_type=linux
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  ;;
+
+*)
+  dynamic_linker=no
+  ;;
+esac
+{ $as_echo "$as_me:$LINENO: result: $dynamic_linker" >&5
+$as_echo "$dynamic_linker" >&6; }
+test "$dynamic_linker" = no && can_build_shared=no
+
+variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
+if test "$GCC" = yes; then
+  variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
+fi
+
+if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then
+  sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec"
+fi
+if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then
+  sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec"
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+    { $as_echo "$as_me:$LINENO: checking how to hardcode library paths into programs" >&5
+$as_echo_n "checking how to hardcode library paths into programs... " >&6; }
+hardcode_action_FC=
+if test -n "$hardcode_libdir_flag_spec_FC" ||
+   test -n "$runpath_var_FC" ||
+   test "X$hardcode_automatic_FC" = "Xyes" ; then
+
+  # We can hardcode non-existent directories.
+  if test "$hardcode_direct_FC" != no &&
+     # If the only mechanism to avoid hardcoding is shlibpath_var, we
+     # have to relink, otherwise we might link with an installed library
+     # when we should be linking with a yet-to-be-installed one
+     ## test "$_LT_TAGVAR(hardcode_shlibpath_var, FC)" != no &&
+     test "$hardcode_minus_L_FC" != no; then
+    # Linking always hardcodes the temporary library directory.
+    hardcode_action_FC=relink
+  else
+    # We can link without hardcoding, and we can hardcode nonexisting dirs.
+    hardcode_action_FC=immediate
+  fi
+else
+  # We cannot hardcode anything, or else we can only hardcode existing
+  # directories.
+  hardcode_action_FC=unsupported
+fi
+{ $as_echo "$as_me:$LINENO: result: $hardcode_action_FC" >&5
+$as_echo "$hardcode_action_FC" >&6; }
+
+if test "$hardcode_action_FC" = relink ||
+   test "$inherit_rpath_FC" = yes; then
+  # Fast installation is not supported
+  enable_fast_install=no
+elif test "$shlibpath_overrides_runpath" = yes ||
+     test "$enable_shared" = no; then
+  # Fast installation is not necessary
+  enable_fast_install=needless
+fi
+
+
+
+
+
+
+
+  fi # test -n "$compiler"
+
+  GCC=$lt_save_GCC
+  CC="$lt_save_CC"
+fi # test "$_lt_disable_FC" != yes
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+
+
+
+
+
+
+
+        ac_config_commands="$ac_config_commands libtool"
+
+
+
+
+# Only expand once:
+
+
+
+{ $as_echo "$as_me:$LINENO: checking for large file support" >&5
+$as_echo "$as_me: checking for large file support" >&6;}
+
+# Check whether --enable-largefile was given.
+if test "${enable_largefile+set}" = set; then
+  enableval=$enable_largefile;
+fi
+
+if test "$enable_largefile" != no; then
+
+  { $as_echo "$as_me:$LINENO: checking for special C compiler options needed for large files" >&5
+$as_echo_n "checking for special C compiler options needed for large files... " >&6; }
+if test "${ac_cv_sys_largefile_CC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_sys_largefile_CC=no
+     if test "$GCC" != yes; then
+       ac_save_CC=$CC
+       while :; do
+	 # IRIX 6.2 and later do not support large files by default,
+	 # so use the C compiler's -n32 option if that helps.
+	 cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+	 rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  break
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext
+	 CC="$CC -n32"
+	 rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_sys_largefile_CC=' -n32'; break
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext
+	 break
+       done
+       CC=$ac_save_CC
+       rm -f conftest.$ac_ext
+    fi
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_sys_largefile_CC" >&5
+$as_echo "$ac_cv_sys_largefile_CC" >&6; }
+  if test "$ac_cv_sys_largefile_CC" != no; then
+    CC=$CC$ac_cv_sys_largefile_CC
+  fi
+
+  { $as_echo "$as_me:$LINENO: checking for _FILE_OFFSET_BITS value needed for large files" >&5
+$as_echo_n "checking for _FILE_OFFSET_BITS value needed for large files... " >&6; }
+if test "${ac_cv_sys_file_offset_bits+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  while :; do
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_sys_file_offset_bits=no; break
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#define _FILE_OFFSET_BITS 64
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_sys_file_offset_bits=64; break
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  ac_cv_sys_file_offset_bits=unknown
+  break
+done
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_sys_file_offset_bits" >&5
+$as_echo "$ac_cv_sys_file_offset_bits" >&6; }
+case $ac_cv_sys_file_offset_bits in #(
+  no | unknown) ;;
+  *)
+cat >>confdefs.h <<_ACEOF
+#define _FILE_OFFSET_BITS $ac_cv_sys_file_offset_bits
+_ACEOF
+;;
+esac
+rm -rf conftest*
+  if test $ac_cv_sys_file_offset_bits = unknown; then
+    { $as_echo "$as_me:$LINENO: checking for _LARGE_FILES value needed for large files" >&5
+$as_echo_n "checking for _LARGE_FILES value needed for large files... " >&6; }
+if test "${ac_cv_sys_large_files+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  while :; do
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_sys_large_files=no; break
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#define _LARGE_FILES 1
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_sys_large_files=1; break
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  ac_cv_sys_large_files=unknown
+  break
+done
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_sys_large_files" >&5
+$as_echo "$ac_cv_sys_large_files" >&6; }
+case $ac_cv_sys_large_files in #(
+  no | unknown) ;;
+  *)
+cat >>confdefs.h <<_ACEOF
+#define _LARGE_FILES $ac_cv_sys_large_files
+_ACEOF
+;;
+esac
+rm -rf conftest*
+  fi
+fi
+
+
+{ $as_echo "$as_me:$LINENO: displaying some results" >&5
+$as_echo "$as_me: displaying some results" >&6;}
+
+## This next macro just prints some results for debugging
+## support issues.
+
+{ $as_echo "$as_me:$LINENO: checking CPPFLAGS" >&5
+$as_echo_n "checking CPPFLAGS... " >&6; }
+{ $as_echo "$as_me:$LINENO: result: $CPPFLAGS" >&5
+$as_echo "$CPPFLAGS" >&6; }
+{ $as_echo "$as_me:$LINENO: checking CC CFLAGS" >&5
+$as_echo_n "checking CC CFLAGS... " >&6; }
+{ $as_echo "$as_me:$LINENO: result: $CC $CFLAGS" >&5
+$as_echo "$CC $CFLAGS" >&6; }
+ud_type_cc=`type $CC`
+{ $as_echo "$as_me:$LINENO: checking type $CC" >&5
+$as_echo_n "checking type $CC... " >&6; }
+{ $as_echo "$as_me:$LINENO: result: $ud_type_cc" >&5
+$as_echo "$ud_type_cc" >&6; }
+
+{ $as_echo "$as_me:$LINENO: checking CXX" >&5
+$as_echo_n "checking CXX... " >&6; }
+if test -n "$CXX"; then
+	{ $as_echo "$as_me:$LINENO: result: $CXX" >&5
+$as_echo "$CXX" >&6; }
+	{ $as_echo "$as_me:$LINENO: checking CXXFLAGS" >&5
+$as_echo_n "checking CXXFLAGS... " >&6; }
+	{ $as_echo "$as_me:$LINENO: result: $CXXFLAGS" >&5
+$as_echo "$CXXFLAGS" >&6; }
+	ud_type_CXX=`type $CXX`
+	{ $as_echo "$as_me:$LINENO: checking type $CXX" >&5
+$as_echo_n "checking type $CXX... " >&6; }
+	{ $as_echo "$as_me:$LINENO: result: $ud_type_CXX" >&5
+$as_echo "$ud_type_CXX" >&6; }
+else
+	{ $as_echo "$as_me:$LINENO: result: unset" >&5
+$as_echo "unset" >&6; }
+fi
+
+{ $as_echo "$as_me:$LINENO: checking FC" >&5
+$as_echo_n "checking FC... " >&6; }
+if test -n "$FC"; then
+	{ $as_echo "$as_me:$LINENO: result: $FC" >&5
+$as_echo "$FC" >&6; }
+	{ $as_echo "$as_me:$LINENO: checking FFLAGS" >&5
+$as_echo_n "checking FFLAGS... " >&6; }
+	{ $as_echo "$as_me:$LINENO: result: $FFLAGS" >&5
+$as_echo "$FFLAGS" >&6; }
+	ud_type_fc=`type $FC`
+	{ $as_echo "$as_me:$LINENO: checking type $FC" >&5
+$as_echo_n "checking type $FC... " >&6; }
+	{ $as_echo "$as_me:$LINENO: result: $ud_type_fc" >&5
+$as_echo "$ud_type_fc" >&6; }
+else
+	{ $as_echo "$as_me:$LINENO: result: unset" >&5
+$as_echo "unset" >&6; }
+fi
+
+{ $as_echo "$as_me:$LINENO: checking F90" >&5
+$as_echo_n "checking F90... " >&6; }
+if test -n "$F90"; then
+	{ $as_echo "$as_me:$LINENO: result: $F90" >&5
+$as_echo "$F90" >&6; }
+	{ $as_echo "$as_me:$LINENO: checking F90FLAGS" >&5
+$as_echo_n "checking F90FLAGS... " >&6; }
+	{ $as_echo "$as_me:$LINENO: result: $F90FLAGS" >&5
+$as_echo "$F90FLAGS" >&6; }
+	ud_type_F90=`type $F90`
+	{ $as_echo "$as_me:$LINENO: checking type $F90" >&5
+$as_echo_n "checking type $F90... " >&6; }
+	{ $as_echo "$as_me:$LINENO: result: $ud_type_F90" >&5
+$as_echo "$ud_type_F90" >&6; }
+else
+	{ $as_echo "$as_me:$LINENO: result: unset" >&5
+$as_echo "unset" >&6; }
+fi
+
+{ $as_echo "$as_me:$LINENO: checking AR" >&5
+$as_echo_n "checking AR... " >&6; }
+if test -n "$AR"; then
+	{ $as_echo "$as_me:$LINENO: result: $AR" >&5
+$as_echo "$AR" >&6; }
+	{ $as_echo "$as_me:$LINENO: checking ARFLAGS" >&5
+$as_echo_n "checking ARFLAGS... " >&6; }
+	{ $as_echo "$as_me:$LINENO: result: $ARFLAGS" >&5
+$as_echo "$ARFLAGS" >&6; }
+	ud_type_AR=`type $AR`
+	{ $as_echo "$as_me:$LINENO: checking type $AR" >&5
+$as_echo_n "checking type $AR... " >&6; }
+	{ $as_echo "$as_me:$LINENO: result: $ud_type_AR" >&5
+$as_echo "$ud_type_AR" >&6; }
+else
+	{ $as_echo "$as_me:$LINENO: result: unset" >&5
+$as_echo "unset" >&6; }
+fi
+
+{ $as_echo "$as_me:$LINENO: checking NM" >&5
+$as_echo_n "checking NM... " >&6; }
+if test -n "$NM"; then
+	{ $as_echo "$as_me:$LINENO: result: $NM" >&5
+$as_echo "$NM" >&6; }
+	{ $as_echo "$as_me:$LINENO: checking NMFLAGS" >&5
+$as_echo_n "checking NMFLAGS... " >&6; }
+	{ $as_echo "$as_me:$LINENO: result: $NMFLAGS" >&5
+$as_echo "$NMFLAGS" >&6; }
+#	ud_type_NM=`type $NM`
+#	AC_MSG_CHECKING(type $NM)
+#	AC_MSG_RESULT($ud_type_NM)
+else
+	{ $as_echo "$as_me:$LINENO: result: unset" >&5
+$as_echo "unset" >&6; }
+fi
+
+
+
+{ $as_echo "$as_me:$LINENO: checking types, headers, and functions" >&5
+$as_echo "$as_me: checking types, headers, and functions" >&6;}
+
+
+
+    case "${FC+set}" in
+	set)
+	    case "$FC" in
+		'')
+		    { $as_echo "$as_me:$LINENO: WARNING: Fortran-77 compiler is explicitly null" >&5
+$as_echo "$as_me: WARNING: Fortran-77 compiler is explicitly null" >&2;}
+		    ;;
+		*)
+		    { $as_echo "$as_me:$LINENO: checking user-defined Fortran-77 compiler \"$FC\"" >&5
+$as_echo_n "checking user-defined Fortran-77 compiler \"$FC\"... " >&6; }
+		    cat <<EOF >conftest.f
+                        CALL FOO
+                        END
+EOF
+		    doit='$FC -c ${FFLAGS} conftest.f'
+		    if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+			{ $as_echo "$as_me:$LINENO: result: works" >&5
+$as_echo "works" >&6; }
+		    else
+			{ $as_echo "$as_me:$LINENO: result: failed to compile test program" >&5
+$as_echo "failed to compile test program" >&6; }
+			FC=
+		    fi
+		    rm -f conftest.*
+		    ;;
+	    esac
+	    ;;
+	*)
+	    case "${F90+set}" in
+		set)
+		    FC=$F90
+		    FFLAGS="${FFLAGS-${F90FLAGS--O}}"
+		    FLIBS="${FLIBS-${F90LIBS-}}"
+		    { $as_echo "$as_me:$LINENO: checking \"$FC\" as Fortran-77 compiler" >&5
+$as_echo_n "checking \"$FC\" as Fortran-77 compiler... " >&6; }
+		    cat <<EOF >conftest.f
+                        CALL FOO
+                        END
+EOF
+		    doit='$FC -c ${FFLAGS} conftest.f'
+		    if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+			{ $as_echo "$as_me:$LINENO: result: works" >&5
+$as_echo "works" >&6; }
+		    else
+			{ $as_echo "$as_me:$LINENO: result: failed to compile test program" >&5
+$as_echo "failed to compile test program" >&6; }
+			unset FC
+		    fi
+		    rm -f conftest.*
+		    ;;
+	    esac
+	    case "${FC-unset}" in
+		unset)
+		    case `uname -sr` in
+			AIX*)
+			    # xlf90(1) thinks fortran/ftest.F has bad syntax.
+			    forts="xlf f77"
+			    ;;
+			BSD/OS*|FreeBSD*)
+			    forts="f77 fort77 g77"
+			    ;;
+			HP-UX*)
+			    # f77(1) doesn't have the -L option.
+			    forts=fort77
+			    FLIBS=-lU77
+			    ;;
+			IRIX*)
+			    # f90(1) can't link with c89(1)-compiled objects
+			    forts=f77
+			    ;;
+			IRIX64*)
+			    forts='f77 g77 fort77'
+			    ;;
+			Linux*)
+			    forts="pgf90 f77 fort77 g77"
+			    ;;
+			OSF1*)
+			    # The use of f90(1) results in the following for
+			    # an unknown reason (`make' works in the fortran/
+			    # directory):
+			    # f90 -c -I../libsrc ftest.F
+			    # Last chance handler: pc = 0xa971b8,
+			    # sp = 0x3fece0, ra = 0xa971b8
+			    # Last chance handler: internal exception: unwinding
+			    forts="f77"
+			    ;;
+			'SunOS 4'*)
+			    forts='f77 g77 fort77'
+			    ;;
+			'SunOS 5'*)
+			    # SunOS's f90(1) has problems passing a C `char'
+			    # as a Fortran `integer*1' => use f77(1)
+			    forts="pgf90 f77"
+			    ;;
+			sn*|UNICOS*|unicos*)
+			    forts="fort77 cf77 f77 g77 f90"
+			    ;;
+			*)
+			    forts="xlf fort77 ghf77 f77 cf77 g77 xlf90 f90"
+			    ;;
+		    esac
+		    for fc in $forts; do
+			# Extract the first word of "$fc", so it can be a program name with args.
+set dummy $fc; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_FC+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$FC"; then
+  ac_cv_prog_FC="$FC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_FC="$fc"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+FC=$ac_cv_prog_FC
+if test -n "$FC"; then
+  { $as_echo "$as_me:$LINENO: result: $FC" >&5
+$as_echo "$FC" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+			case "${FC}" in
+			    '')
+				;;
+			    *)
+				#
+				# On some systems, a discovered compiler
+				# nevertheless won't work (due to licensing,
+				# for example); thus, we check the compiler
+				# with a test program.
+				#
+				cat <<EOF >conftest.f
+				    CALL FOO
+				    END
+EOF
+				doit='$FC -c ${FFLAGS} conftest.f'
+				if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+				    break
+				else
+				    { $as_echo "$as_me:$LINENO: result: failed to compile test program" >&5
+$as_echo "failed to compile test program" >&6; }
+				    unset FC
+				    unset ac_cv_prog_FC
+				fi
+				;;
+			esac
+		    done
+		    rm -f conftest.*
+		    case "${FC}" in
+			'') { $as_echo "$as_me:$LINENO: WARNING: \"Could not find working Fortran-77 compiler\"" >&5
+$as_echo "$as_me: WARNING: \"Could not find working Fortran-77 compiler\"" >&2;}
+			    ;;
+		    esac
+		    ;;
+	    esac
+	    ;;
+    esac
+    case "${FC}" in
+	'') { $as_echo "$as_me:$LINENO: WARNING: \"The Fortran-77 interface will not be built\"" >&5
+$as_echo "$as_me: WARNING: \"The Fortran-77 interface will not be built\"" >&2;}
+	    ;;
+    esac
+
+
+
+    #
+    # Set the make(1) macro for compiling a .F file.
+    #
+    case "${FPP-}" in
+    '')
+	{ $as_echo "$as_me:$LINENO: checking for Fortran .F compiler" >&5
+$as_echo_n "checking for Fortran .F compiler... " >&6; }
+	{ $as_echo "$as_me:$LINENO: result: $COMPILE_F" >&5
+$as_echo "$COMPILE_F" >&6; }
+	case "${COMPILE_F-unset}" in
+	unset)
+	    case "${FC}" in
+	    '')
+		COMPILE_F=
+		;;
+	    *)
+		{ $as_echo "$as_me:$LINENO: checking if Fortran-77 compiler handles *.F files" >&5
+$as_echo_n "checking if Fortran-77 compiler handles *.F files... " >&6; }
+		cat >conftest.h <<\EOF
+#define J 1
+EOF
+		cat >conftest.F <<\EOF
+#include "conftest.h"
+#define N 5
+		  real r(J,N)
+		  end
+EOF
+		doit='$FC -o conftest ${FFLAGS} conftest.F ${FLIBS}'
+		if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+		    COMPILE_F='$(COMPILE.f) $(FPPFLAGS)'
+		    { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+		else
+		    COMPILE_F=
+		    { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+		fi
+		rm -f conftest*
+		;;
+	    esac
+	    ;;
+	esac
+	;;
+    *)
+	unset COMPILE_F
+	;;
+    esac
+    case "${COMPILE_F-}" in
+	'')
+    { $as_echo "$as_me:$LINENO: checking for Fortran preprocessor" >&5
+$as_echo_n "checking for Fortran preprocessor... " >&6; }
+    case "$FPP" in
+    '')
+
+	FPP="$CPP"
+	;;
+    esac
+    { $as_echo "$as_me:$LINENO: result: $FPP" >&5
+$as_echo "$FPP" >&6; }
+
+;;
+    esac
+
+    FPPFLAGS=${FPPFLAGS-}
+
+
+
+    case "${NM-unset}" in
+	unset) for ac_prog in nm
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_NM+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$NM"; then
+  ac_cv_prog_NM="$NM" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_NM="$ac_prog"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+NM=$ac_cv_prog_NM
+if test -n "$NM"; then
+  { $as_echo "$as_me:$LINENO: result: $NM" >&5
+$as_echo "$NM" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$NM" && break
+done
+test -n "$NM" || NM="nm"
+ ;;
+	*) for ac_prog in $NM nm
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_NM+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$NM"; then
+  ac_cv_prog_NM="$NM" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_NM="$ac_prog"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+NM=$ac_cv_prog_NM
+if test -n "$NM"; then
+  { $as_echo "$as_me:$LINENO: result: $NM" >&5
+$as_echo "$NM" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$NM" && break
+done
+test -n "$NM" || NM="nm"
+ ;;
+    esac
+    { $as_echo "$as_me:$LINENO: checking nm flags" >&5
+$as_echo_n "checking nm flags... " >&6; }
+    case "${NMFLAGS-unset}" in
+	unset) NMFLAGS= ;;
+    esac
+    { $as_echo "$as_me:$LINENO: result: $NMFLAGS" >&5
+$as_echo "$NMFLAGS" >&6; }
+
+
+
+
+    case "$FC" in
+	'') ;;
+	*)
+
+
+
+	    { $as_echo "$as_me:$LINENO: checking for C-equivalent to Fortran routine \"SUB\"" >&5
+$as_echo_n "checking for C-equivalent to Fortran routine \"SUB\"... " >&6; }
+	    cat >conftest.f <<\EOF
+              call sub()
+              end
+EOF
+	    doit='$FC -c ${FFLAGS} conftest.f'
+	    if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+		FCALLSCSUB=`$NM $NMFLAGS conftest.o | awk '
+		    /SUB_/{print "SUB_";exit}
+		    /SUB/ {print "SUB"; exit}
+		    /sub_/{print "sub_";exit}
+		    /sub/ {print "sub"; exit}'`
+		case "$FCALLSCSUB" in
+		    '') { { $as_echo "$as_me:$LINENO: error: not found" >&5
+$as_echo "$as_me: error: not found" >&2;}
+   { (exit 1); exit 1; }; }
+			;;
+		    *)  { $as_echo "$as_me:$LINENO: result: $FCALLSCSUB" >&5
+$as_echo "$FCALLSCSUB" >&6; }
+			;;
+		esac
+	    else
+		{ { $as_echo "$as_me:$LINENO: error: Could not compile conftest.f" >&5
+$as_echo "$as_me: error: Could not compile conftest.f" >&2;}
+   { (exit 1); exit 1; }; }
+	    fi
+	    rm -f conftest*
+	    ;;
+    esac
+
+
+
+    case "$FC" in
+    '')
+	;;
+    *)
+
+
+    for ftype in byte integer*1 "integer(kind(1))"; do
+	{ $as_echo "$as_me:$LINENO: checking for Fortran \"$ftype\"" >&5
+$as_echo_n "checking for Fortran \"$ftype\"... " >&6; }
+	cat >conftest.f <<EOF
+      subroutine sub(value)
+      $ftype value
+      end
+EOF
+	doit='$FC -c ${FFLAGS} conftest.f'
+	if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+	    { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+	    NF_INT1_T=$ftype
+
+cat >>confdefs.h <<_ACEOF
+#define NF_INT1_T $ftype
+_ACEOF
+
+	    break
+	else
+	    { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+	fi
+    done
+    rm -f conftest*
+
+
+    for ftype in integer*2 "integer(kind(2))"; do
+	{ $as_echo "$as_me:$LINENO: checking for Fortran \"$ftype\"" >&5
+$as_echo_n "checking for Fortran \"$ftype\"... " >&6; }
+	cat >conftest.f <<EOF
+      subroutine sub(value)
+      $ftype value
+      end
+EOF
+	doit='$FC -c ${FFLAGS} conftest.f'
+	if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+	    { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+	    NF_INT2_T=$ftype
+
+cat >>confdefs.h <<_ACEOF
+#define NF_INT2_T $ftype
+_ACEOF
+
+	    break
+	else
+	    { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+	fi
+    done
+    rm -f conftest*
+
+
+	case "${NF_INT1_T}" in
+	    '') ;;
+	    *)
+    cat >conftestf.f <<EOF
+           $NF_INT1_T values(4)
+           data values /-1, -2, -3, -4/
+           call sub(values)
+           end
+EOF
+    for ctype in "signed char"; do
+	{ $as_echo "$as_me:$LINENO: checking if Fortran \"$NF_INT1_T\" is C \"$ctype\"" >&5
+$as_echo_n "checking if Fortran \"$NF_INT1_T\" is C \"$ctype\"... " >&6; }
+	cat >conftest.c <<EOF
+	    void $FCALLSCSUB(values)
+		$ctype values[4];
+	    {
+		exit(values[1] != -2 || values[2] != -3);
+	    }
+EOF
+	doit='$CC -c ${CPPFLAGS} ${CFLAGS} conftest.c'
+	if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+	    doit='$FC ${FFLAGS} -c conftestf.f'
+	    if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+	        doit='$FC -o conftest ${FFLAGS} ${FLDFLAGS} conftestf.o conftest.o ${FLIBS} ${LIBS}'
+	        if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+		    doit=./conftest
+		    if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+		        { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+		        cname=`echo $ctype | tr ' abcdefghijklmnopqrstuvwxyz' \
+			    _ABCDEFGHIJKLMNOPQRSTUVWXYZ`
+
+cat >>confdefs.h <<_ACEOF
+#define NF_INT1_IS_C_$cname 1
+_ACEOF
+
+		        break
+		    else
+		        { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+		    fi
+	        else
+		    { { $as_echo "$as_me:$LINENO: error: Could not link conftestf.o and conftest.o" >&5
+$as_echo "$as_me: error: Could not link conftestf.o and conftest.o" >&2;}
+   { (exit 1); exit 1; }; }
+	        fi
+	    else
+		{ { $as_echo "$as_me:$LINENO: error: Could not compile conftestf.f" >&5
+$as_echo "$as_me: error: Could not compile conftestf.f" >&2;}
+   { (exit 1); exit 1; }; }
+	    fi
+	else
+	    { { $as_echo "$as_me:$LINENO: error: Could not compile conftest.c" >&5
+$as_echo "$as_me: error: Could not compile conftest.c" >&2;}
+   { (exit 1); exit 1; }; }
+	fi
+    done
+    rm -f conftest*
+
+
+    cat >conftestf.f <<EOF
+           $NF_INT1_T values(4)
+           data values /-1, -2, -3, -4/
+           call sub(values)
+           end
+EOF
+    for ctype in "short"; do
+	{ $as_echo "$as_me:$LINENO: checking if Fortran \"$NF_INT1_T\" is C \"$ctype\"" >&5
+$as_echo_n "checking if Fortran \"$NF_INT1_T\" is C \"$ctype\"... " >&6; }
+	cat >conftest.c <<EOF
+	    void $FCALLSCSUB(values)
+		$ctype values[4];
+	    {
+		exit(values[1] != -2 || values[2] != -3);
+	    }
+EOF
+	doit='$CC -c ${CPPFLAGS} ${CFLAGS} conftest.c'
+	if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+	    doit='$FC ${FFLAGS} -c conftestf.f'
+	    if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+	        doit='$FC -o conftest ${FFLAGS} ${FLDFLAGS} conftestf.o conftest.o ${FLIBS} ${LIBS}'
+	        if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+		    doit=./conftest
+		    if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+		        { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+		        cname=`echo $ctype | tr ' abcdefghijklmnopqrstuvwxyz' \
+			    _ABCDEFGHIJKLMNOPQRSTUVWXYZ`
+
+cat >>confdefs.h <<_ACEOF
+#define NF_INT1_IS_C_$cname 1
+_ACEOF
+
+		        break
+		    else
+		        { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+		    fi
+	        else
+		    { { $as_echo "$as_me:$LINENO: error: Could not link conftestf.o and conftest.o" >&5
+$as_echo "$as_me: error: Could not link conftestf.o and conftest.o" >&2;}
+   { (exit 1); exit 1; }; }
+	        fi
+	    else
+		{ { $as_echo "$as_me:$LINENO: error: Could not compile conftestf.f" >&5
+$as_echo "$as_me: error: Could not compile conftestf.f" >&2;}
+   { (exit 1); exit 1; }; }
+	    fi
+	else
+	    { { $as_echo "$as_me:$LINENO: error: Could not compile conftest.c" >&5
+$as_echo "$as_me: error: Could not compile conftest.c" >&2;}
+   { (exit 1); exit 1; }; }
+	fi
+    done
+    rm -f conftest*
+
+
+    cat >conftestf.f <<EOF
+           $NF_INT1_T values(4)
+           data values /-1, -2, -3, -4/
+           call sub(values)
+           end
+EOF
+    for ctype in "int"; do
+	{ $as_echo "$as_me:$LINENO: checking if Fortran \"$NF_INT1_T\" is C \"$ctype\"" >&5
+$as_echo_n "checking if Fortran \"$NF_INT1_T\" is C \"$ctype\"... " >&6; }
+	cat >conftest.c <<EOF
+	    void $FCALLSCSUB(values)
+		$ctype values[4];
+	    {
+		exit(values[1] != -2 || values[2] != -3);
+	    }
+EOF
+	doit='$CC -c ${CPPFLAGS} ${CFLAGS} conftest.c'
+	if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+	    doit='$FC ${FFLAGS} -c conftestf.f'
+	    if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+	        doit='$FC -o conftest ${FFLAGS} ${FLDFLAGS} conftestf.o conftest.o ${FLIBS} ${LIBS}'
+	        if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+		    doit=./conftest
+		    if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+		        { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+		        cname=`echo $ctype | tr ' abcdefghijklmnopqrstuvwxyz' \
+			    _ABCDEFGHIJKLMNOPQRSTUVWXYZ`
+
+cat >>confdefs.h <<_ACEOF
+#define NF_INT1_IS_C_$cname 1
+_ACEOF
+
+		        break
+		    else
+		        { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+		    fi
+	        else
+		    { { $as_echo "$as_me:$LINENO: error: Could not link conftestf.o and conftest.o" >&5
+$as_echo "$as_me: error: Could not link conftestf.o and conftest.o" >&2;}
+   { (exit 1); exit 1; }; }
+	        fi
+	    else
+		{ { $as_echo "$as_me:$LINENO: error: Could not compile conftestf.f" >&5
+$as_echo "$as_me: error: Could not compile conftestf.f" >&2;}
+   { (exit 1); exit 1; }; }
+	    fi
+	else
+	    { { $as_echo "$as_me:$LINENO: error: Could not compile conftest.c" >&5
+$as_echo "$as_me: error: Could not compile conftest.c" >&2;}
+   { (exit 1); exit 1; }; }
+	fi
+    done
+    rm -f conftest*
+
+
+    cat >conftestf.f <<EOF
+           $NF_INT1_T values(4)
+           data values /-1, -2, -3, -4/
+           call sub(values)
+           end
+EOF
+    for ctype in "long"; do
+	{ $as_echo "$as_me:$LINENO: checking if Fortran \"$NF_INT1_T\" is C \"$ctype\"" >&5
+$as_echo_n "checking if Fortran \"$NF_INT1_T\" is C \"$ctype\"... " >&6; }
+	cat >conftest.c <<EOF
+	    void $FCALLSCSUB(values)
+		$ctype values[4];
+	    {
+		exit(values[1] != -2 || values[2] != -3);
+	    }
+EOF
+	doit='$CC -c ${CPPFLAGS} ${CFLAGS} conftest.c'
+	if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+	    doit='$FC ${FFLAGS} -c conftestf.f'
+	    if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+	        doit='$FC -o conftest ${FFLAGS} ${FLDFLAGS} conftestf.o conftest.o ${FLIBS} ${LIBS}'
+	        if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+		    doit=./conftest
+		    if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+		        { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+		        cname=`echo $ctype | tr ' abcdefghijklmnopqrstuvwxyz' \
+			    _ABCDEFGHIJKLMNOPQRSTUVWXYZ`
+
+cat >>confdefs.h <<_ACEOF
+#define NF_INT1_IS_C_$cname 1
+_ACEOF
+
+		        break
+		    else
+		        { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+		    fi
+	        else
+		    { { $as_echo "$as_me:$LINENO: error: Could not link conftestf.o and conftest.o" >&5
+$as_echo "$as_me: error: Could not link conftestf.o and conftest.o" >&2;}
+   { (exit 1); exit 1; }; }
+	        fi
+	    else
+		{ { $as_echo "$as_me:$LINENO: error: Could not compile conftestf.f" >&5
+$as_echo "$as_me: error: Could not compile conftestf.f" >&2;}
+   { (exit 1); exit 1; }; }
+	    fi
+	else
+	    { { $as_echo "$as_me:$LINENO: error: Could not compile conftest.c" >&5
+$as_echo "$as_me: error: Could not compile conftest.c" >&2;}
+   { (exit 1); exit 1; }; }
+	fi
+    done
+    rm -f conftest*
+
+		;;
+	esac
+	case "${NF_INT2_T}" in
+	    '') ;;
+	    *)
+    cat >conftestf.f <<EOF
+           $NF_INT2_T values(4)
+           data values /-1, -2, -3, -4/
+           call sub(values)
+           end
+EOF
+    for ctype in short; do
+	{ $as_echo "$as_me:$LINENO: checking if Fortran \"$NF_INT2_T\" is C \"$ctype\"" >&5
+$as_echo_n "checking if Fortran \"$NF_INT2_T\" is C \"$ctype\"... " >&6; }
+	cat >conftest.c <<EOF
+	    void $FCALLSCSUB(values)
+		$ctype values[4];
+	    {
+		exit(values[1] != -2 || values[2] != -3);
+	    }
+EOF
+	doit='$CC -c ${CPPFLAGS} ${CFLAGS} conftest.c'
+	if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+	    doit='$FC ${FFLAGS} -c conftestf.f'
+	    if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+	        doit='$FC -o conftest ${FFLAGS} ${FLDFLAGS} conftestf.o conftest.o ${FLIBS} ${LIBS}'
+	        if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+		    doit=./conftest
+		    if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+		        { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+		        cname=`echo $ctype | tr ' abcdefghijklmnopqrstuvwxyz' \
+			    _ABCDEFGHIJKLMNOPQRSTUVWXYZ`
+
+cat >>confdefs.h <<_ACEOF
+#define NF_INT2_IS_C_$cname 1
+_ACEOF
+
+		        break
+		    else
+		        { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+		    fi
+	        else
+		    { { $as_echo "$as_me:$LINENO: error: Could not link conftestf.o and conftest.o" >&5
+$as_echo "$as_me: error: Could not link conftestf.o and conftest.o" >&2;}
+   { (exit 1); exit 1; }; }
+	        fi
+	    else
+		{ { $as_echo "$as_me:$LINENO: error: Could not compile conftestf.f" >&5
+$as_echo "$as_me: error: Could not compile conftestf.f" >&2;}
+   { (exit 1); exit 1; }; }
+	    fi
+	else
+	    { { $as_echo "$as_me:$LINENO: error: Could not compile conftest.c" >&5
+$as_echo "$as_me: error: Could not compile conftest.c" >&2;}
+   { (exit 1); exit 1; }; }
+	fi
+    done
+    rm -f conftest*
+
+
+    cat >conftestf.f <<EOF
+           $NF_INT2_T values(4)
+           data values /-1, -2, -3, -4/
+           call sub(values)
+           end
+EOF
+    for ctype in int; do
+	{ $as_echo "$as_me:$LINENO: checking if Fortran \"$NF_INT2_T\" is C \"$ctype\"" >&5
+$as_echo_n "checking if Fortran \"$NF_INT2_T\" is C \"$ctype\"... " >&6; }
+	cat >conftest.c <<EOF
+	    void $FCALLSCSUB(values)
+		$ctype values[4];
+	    {
+		exit(values[1] != -2 || values[2] != -3);
+	    }
+EOF
+	doit='$CC -c ${CPPFLAGS} ${CFLAGS} conftest.c'
+	if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+	    doit='$FC ${FFLAGS} -c conftestf.f'
+	    if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+	        doit='$FC -o conftest ${FFLAGS} ${FLDFLAGS} conftestf.o conftest.o ${FLIBS} ${LIBS}'
+	        if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+		    doit=./conftest
+		    if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+		        { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+		        cname=`echo $ctype | tr ' abcdefghijklmnopqrstuvwxyz' \
+			    _ABCDEFGHIJKLMNOPQRSTUVWXYZ`
+
+cat >>confdefs.h <<_ACEOF
+#define NF_INT2_IS_C_$cname 1
+_ACEOF
+
+		        break
+		    else
+		        { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+		    fi
+	        else
+		    { { $as_echo "$as_me:$LINENO: error: Could not link conftestf.o and conftest.o" >&5
+$as_echo "$as_me: error: Could not link conftestf.o and conftest.o" >&2;}
+   { (exit 1); exit 1; }; }
+	        fi
+	    else
+		{ { $as_echo "$as_me:$LINENO: error: Could not compile conftestf.f" >&5
+$as_echo "$as_me: error: Could not compile conftestf.f" >&2;}
+   { (exit 1); exit 1; }; }
+	    fi
+	else
+	    { { $as_echo "$as_me:$LINENO: error: Could not compile conftest.c" >&5
+$as_echo "$as_me: error: Could not compile conftest.c" >&2;}
+   { (exit 1); exit 1; }; }
+	fi
+    done
+    rm -f conftest*
+
+
+    cat >conftestf.f <<EOF
+           $NF_INT2_T values(4)
+           data values /-1, -2, -3, -4/
+           call sub(values)
+           end
+EOF
+    for ctype in long; do
+	{ $as_echo "$as_me:$LINENO: checking if Fortran \"$NF_INT2_T\" is C \"$ctype\"" >&5
+$as_echo_n "checking if Fortran \"$NF_INT2_T\" is C \"$ctype\"... " >&6; }
+	cat >conftest.c <<EOF
+	    void $FCALLSCSUB(values)
+		$ctype values[4];
+	    {
+		exit(values[1] != -2 || values[2] != -3);
+	    }
+EOF
+	doit='$CC -c ${CPPFLAGS} ${CFLAGS} conftest.c'
+	if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+	    doit='$FC ${FFLAGS} -c conftestf.f'
+	    if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+	        doit='$FC -o conftest ${FFLAGS} ${FLDFLAGS} conftestf.o conftest.o ${FLIBS} ${LIBS}'
+	        if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+		    doit=./conftest
+		    if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+		        { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+		        cname=`echo $ctype | tr ' abcdefghijklmnopqrstuvwxyz' \
+			    _ABCDEFGHIJKLMNOPQRSTUVWXYZ`
+
+cat >>confdefs.h <<_ACEOF
+#define NF_INT2_IS_C_$cname 1
+_ACEOF
+
+		        break
+		    else
+		        { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+		    fi
+	        else
+		    { { $as_echo "$as_me:$LINENO: error: Could not link conftestf.o and conftest.o" >&5
+$as_echo "$as_me: error: Could not link conftestf.o and conftest.o" >&2;}
+   { (exit 1); exit 1; }; }
+	        fi
+	    else
+		{ { $as_echo "$as_me:$LINENO: error: Could not compile conftestf.f" >&5
+$as_echo "$as_me: error: Could not compile conftestf.f" >&2;}
+   { (exit 1); exit 1; }; }
+	    fi
+	else
+	    { { $as_echo "$as_me:$LINENO: error: Could not compile conftest.c" >&5
+$as_echo "$as_me: error: Could not compile conftest.c" >&2;}
+   { (exit 1); exit 1; }; }
+	fi
+    done
+    rm -f conftest*
+
+		;;
+	esac
+
+    cat >conftestf.f <<EOF
+           integer values(4)
+           data values /-1, -2, -3, -4/
+           call sub(values)
+           end
+EOF
+    for ctype in int long; do
+	{ $as_echo "$as_me:$LINENO: checking if Fortran \"integer\" is C \"$ctype\"" >&5
+$as_echo_n "checking if Fortran \"integer\" is C \"$ctype\"... " >&6; }
+	cat >conftest.c <<EOF
+	    void $FCALLSCSUB(values)
+		$ctype values[4];
+	    {
+		exit(values[1] != -2 || values[2] != -3);
+	    }
+EOF
+	doit='$CC -c ${CPPFLAGS} ${CFLAGS} conftest.c'
+	if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+	    doit='$FC ${FFLAGS} -c conftestf.f'
+	    if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+	        doit='$FC -o conftest ${FFLAGS} ${FLDFLAGS} conftestf.o conftest.o ${FLIBS} ${LIBS}'
+	        if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+		    doit=./conftest
+		    if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+		        { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+		        cname=`echo $ctype | tr ' abcdefghijklmnopqrstuvwxyz' \
+			    _ABCDEFGHIJKLMNOPQRSTUVWXYZ`
+
+cat >>confdefs.h <<_ACEOF
+#define NF_INT_IS_C_$cname 1
+_ACEOF
+
+		        break
+		    else
+		        { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+		    fi
+	        else
+		    { { $as_echo "$as_me:$LINENO: error: Could not link conftestf.o and conftest.o" >&5
+$as_echo "$as_me: error: Could not link conftestf.o and conftest.o" >&2;}
+   { (exit 1); exit 1; }; }
+	        fi
+	    else
+		{ { $as_echo "$as_me:$LINENO: error: Could not compile conftestf.f" >&5
+$as_echo "$as_me: error: Could not compile conftestf.f" >&2;}
+   { (exit 1); exit 1; }; }
+	    fi
+	else
+	    { { $as_echo "$as_me:$LINENO: error: Could not compile conftest.c" >&5
+$as_echo "$as_me: error: Could not compile conftest.c" >&2;}
+   { (exit 1); exit 1; }; }
+	fi
+    done
+    rm -f conftest*
+
+
+    cat >conftestf.f <<EOF
+           real values(4)
+           data values /-1, -2, -3, -4/
+           call sub(values)
+           end
+EOF
+    for ctype in float double; do
+	{ $as_echo "$as_me:$LINENO: checking if Fortran \"real\" is C \"$ctype\"" >&5
+$as_echo_n "checking if Fortran \"real\" is C \"$ctype\"... " >&6; }
+	cat >conftest.c <<EOF
+	    void $FCALLSCSUB(values)
+		$ctype values[4];
+	    {
+		exit(values[1] != -2 || values[2] != -3);
+	    }
+EOF
+	doit='$CC -c ${CPPFLAGS} ${CFLAGS} conftest.c'
+	if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+	    doit='$FC ${FFLAGS} -c conftestf.f'
+	    if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+	        doit='$FC -o conftest ${FFLAGS} ${FLDFLAGS} conftestf.o conftest.o ${FLIBS} ${LIBS}'
+	        if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+		    doit=./conftest
+		    if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+		        { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+		        cname=`echo $ctype | tr ' abcdefghijklmnopqrstuvwxyz' \
+			    _ABCDEFGHIJKLMNOPQRSTUVWXYZ`
+
+cat >>confdefs.h <<_ACEOF
+#define NF_REAL_IS_C_$cname 1
+_ACEOF
+
+		        break
+		    else
+		        { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+		    fi
+	        else
+		    { { $as_echo "$as_me:$LINENO: error: Could not link conftestf.o and conftest.o" >&5
+$as_echo "$as_me: error: Could not link conftestf.o and conftest.o" >&2;}
+   { (exit 1); exit 1; }; }
+	        fi
+	    else
+		{ { $as_echo "$as_me:$LINENO: error: Could not compile conftestf.f" >&5
+$as_echo "$as_me: error: Could not compile conftestf.f" >&2;}
+   { (exit 1); exit 1; }; }
+	    fi
+	else
+	    { { $as_echo "$as_me:$LINENO: error: Could not compile conftest.c" >&5
+$as_echo "$as_me: error: Could not compile conftest.c" >&2;}
+   { (exit 1); exit 1; }; }
+	fi
+    done
+    rm -f conftest*
+
+
+    cat >conftestf.f <<EOF
+           doubleprecision values(4)
+           data values /-1, -2, -3, -4/
+           call sub(values)
+           end
+EOF
+    for ctype in double float; do
+	{ $as_echo "$as_me:$LINENO: checking if Fortran \"doubleprecision\" is C \"$ctype\"" >&5
+$as_echo_n "checking if Fortran \"doubleprecision\" is C \"$ctype\"... " >&6; }
+	cat >conftest.c <<EOF
+	    void $FCALLSCSUB(values)
+		$ctype values[4];
+	    {
+		exit(values[1] != -2 || values[2] != -3);
+	    }
+EOF
+	doit='$CC -c ${CPPFLAGS} ${CFLAGS} conftest.c'
+	if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+	    doit='$FC ${FFLAGS} -c conftestf.f'
+	    if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+	        doit='$FC -o conftest ${FFLAGS} ${FLDFLAGS} conftestf.o conftest.o ${FLIBS} ${LIBS}'
+	        if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+		    doit=./conftest
+		    if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+		        { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+		        cname=`echo $ctype | tr ' abcdefghijklmnopqrstuvwxyz' \
+			    _ABCDEFGHIJKLMNOPQRSTUVWXYZ`
+
+cat >>confdefs.h <<_ACEOF
+#define NF_DOUBLEPRECISION_IS_C_$cname 1
+_ACEOF
+
+		        break
+		    else
+		        { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+		    fi
+	        else
+		    { { $as_echo "$as_me:$LINENO: error: Could not link conftestf.o and conftest.o" >&5
+$as_echo "$as_me: error: Could not link conftestf.o and conftest.o" >&2;}
+   { (exit 1); exit 1; }; }
+	        fi
+	    else
+		{ { $as_echo "$as_me:$LINENO: error: Could not compile conftestf.f" >&5
+$as_echo "$as_me: error: Could not compile conftestf.f" >&2;}
+   { (exit 1); exit 1; }; }
+	    fi
+	else
+	    { { $as_echo "$as_me:$LINENO: error: Could not compile conftest.c" >&5
+$as_echo "$as_me: error: Could not compile conftest.c" >&2;}
+   { (exit 1); exit 1; }; }
+	fi
+    done
+    rm -f conftest*
+
+
+
+    { $as_echo "$as_me:$LINENO: checking for Fortran-equivalent to netCDF \"byte\"" >&5
+$as_echo_n "checking for Fortran-equivalent to netCDF \"byte\"... " >&6; }
+    for type in byte integer*1 integer; do
+	cat >conftest.f <<EOF
+               $type foo
+               end
+EOF
+	doit='$FC -c ${FFLAGS} conftest.f'
+	if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+	    break;
+	fi
+    done
+    rm -f conftest.f conftest.o
+
+cat >>confdefs.h <<_ACEOF
+#define NCBYTE_T $type
+_ACEOF
+
+    { $as_echo "$as_me:$LINENO: result: $type" >&5
+$as_echo "$type" >&6; }
+    NCBYTE_T=$type
+
+
+
+    { $as_echo "$as_me:$LINENO: checking for Fortran-equivalent to netCDF \"short\"" >&5
+$as_echo_n "checking for Fortran-equivalent to netCDF \"short\"... " >&6; }
+    for type in integer*2 integer; do
+	cat >conftest.f <<EOF
+               $type foo
+               end
+EOF
+	doit='$FC -c ${FFLAGS} conftest.f'
+	if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
+  (eval $doit) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+	    break;
+	fi
+    done
+    rm -f conftest.f conftest.o
+
+cat >>confdefs.h <<_ACEOF
+#define NCSHORT_T $type
+_ACEOF
+
+    { $as_echo "$as_me:$LINENO: result: $type" >&5
+$as_echo "$type" >&6; }
+    NCSHORT_T=$type
+
+
+
+
+	;;
+    esac
+
+
+    case "${MATHLIB}" in
+	'')
+	    { $as_echo "$as_me:$LINENO: checking for tanh in -lc" >&5
+$as_echo_n "checking for tanh in -lc... " >&6; }
+if test "${ac_cv_lib_c_tanh+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lc  $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char tanh ();
+int
+main ()
+{
+return tanh ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  ac_cv_lib_c_tanh=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_c_tanh=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_c_tanh" >&5
+$as_echo "$ac_cv_lib_c_tanh" >&6; }
+if test $ac_cv_lib_c_tanh = yes; then
+  MATHLIB=
+else
+  { $as_echo "$as_me:$LINENO: checking for tanh in -lm" >&5
+$as_echo_n "checking for tanh in -lm... " >&6; }
+if test "${ac_cv_lib_m_tanh+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lm  $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char tanh ();
+int
+main ()
+{
+return tanh ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  ac_cv_lib_m_tanh=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_m_tanh=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_m_tanh" >&5
+$as_echo "$ac_cv_lib_m_tanh" >&6; }
+if test $ac_cv_lib_m_tanh = yes; then
+  MATHLIB=-lm
+else
+  MATHLIB=
+fi
+
+fi
+
+	    ;;
+	*)
+	    ;;
+    esac
+
+
+if test "${ac_cv_header_stdlib_h+set}" = set; then
+  { $as_echo "$as_me:$LINENO: checking for stdlib.h" >&5
+$as_echo_n "checking for stdlib.h... " >&6; }
+if test "${ac_cv_header_stdlib_h+set}" = set; then
+  $as_echo_n "(cached) " >&6
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_stdlib_h" >&5
+$as_echo "$ac_cv_header_stdlib_h" >&6; }
+else
+  # Is the header compilable?
+{ $as_echo "$as_me:$LINENO: checking stdlib.h usability" >&5
+$as_echo_n "checking stdlib.h usability... " >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <stdlib.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ $as_echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+$as_echo "$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ $as_echo "$as_me:$LINENO: checking stdlib.h presence" >&5
+$as_echo_n "checking stdlib.h presence... " >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <stdlib.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ $as_echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+$as_echo "$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { $as_echo "$as_me:$LINENO: WARNING: stdlib.h: accepted by the compiler, rejected by the preprocessor!" >&5
+$as_echo "$as_me: WARNING: stdlib.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: stdlib.h: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: stdlib.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { $as_echo "$as_me:$LINENO: WARNING: stdlib.h: present but cannot be compiled" >&5
+$as_echo "$as_me: WARNING: stdlib.h: present but cannot be compiled" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: stdlib.h:     check for missing prerequisite headers?" >&5
+$as_echo "$as_me: WARNING: stdlib.h:     check for missing prerequisite headers?" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: stdlib.h: see the Autoconf documentation" >&5
+$as_echo "$as_me: WARNING: stdlib.h: see the Autoconf documentation" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: stdlib.h:     section \"Present But Cannot Be Compiled\"" >&5
+$as_echo "$as_me: WARNING: stdlib.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: stdlib.h: proceeding with the preprocessor's result" >&5
+$as_echo "$as_me: WARNING: stdlib.h: proceeding with the preprocessor's result" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: stdlib.h: in the future, the compiler will take precedence" >&5
+$as_echo "$as_me: WARNING: stdlib.h: in the future, the compiler will take precedence" >&2;}
+    ( cat <<\_ASBOX
+## --------------------------------------- ##
+## Report this to support at unidata.ucar.edu ##
+## --------------------------------------- ##
+_ASBOX
+     ) | sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+{ $as_echo "$as_me:$LINENO: checking for stdlib.h" >&5
+$as_echo_n "checking for stdlib.h... " >&6; }
+if test "${ac_cv_header_stdlib_h+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_header_stdlib_h=$ac_header_preproc
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_stdlib_h" >&5
+$as_echo "$ac_cv_header_stdlib_h" >&6; }
+
+fi
+if test $ac_cv_header_stdlib_h = yes; then
+  :
+else
+
+cat >>confdefs.h <<\_ACEOF
+#define NO_STDLIB_H /**/
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_sys_types_h+set}" = set; then
+  { $as_echo "$as_me:$LINENO: checking for sys/types.h" >&5
+$as_echo_n "checking for sys/types.h... " >&6; }
+if test "${ac_cv_header_sys_types_h+set}" = set; then
+  $as_echo_n "(cached) " >&6
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_sys_types_h" >&5
+$as_echo "$ac_cv_header_sys_types_h" >&6; }
+else
+  # Is the header compilable?
+{ $as_echo "$as_me:$LINENO: checking sys/types.h usability" >&5
+$as_echo_n "checking sys/types.h usability... " >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <sys/types.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ $as_echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+$as_echo "$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ $as_echo "$as_me:$LINENO: checking sys/types.h presence" >&5
+$as_echo_n "checking sys/types.h presence... " >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/types.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ $as_echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+$as_echo "$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { $as_echo "$as_me:$LINENO: WARNING: sys/types.h: accepted by the compiler, rejected by the preprocessor!" >&5
+$as_echo "$as_me: WARNING: sys/types.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: sys/types.h: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: sys/types.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { $as_echo "$as_me:$LINENO: WARNING: sys/types.h: present but cannot be compiled" >&5
+$as_echo "$as_me: WARNING: sys/types.h: present but cannot be compiled" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: sys/types.h:     check for missing prerequisite headers?" >&5
+$as_echo "$as_me: WARNING: sys/types.h:     check for missing prerequisite headers?" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: sys/types.h: see the Autoconf documentation" >&5
+$as_echo "$as_me: WARNING: sys/types.h: see the Autoconf documentation" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: sys/types.h:     section \"Present But Cannot Be Compiled\"" >&5
+$as_echo "$as_me: WARNING: sys/types.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: sys/types.h: proceeding with the preprocessor's result" >&5
+$as_echo "$as_me: WARNING: sys/types.h: proceeding with the preprocessor's result" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: sys/types.h: in the future, the compiler will take precedence" >&5
+$as_echo "$as_me: WARNING: sys/types.h: in the future, the compiler will take precedence" >&2;}
+    ( cat <<\_ASBOX
+## --------------------------------------- ##
+## Report this to support at unidata.ucar.edu ##
+## --------------------------------------- ##
+_ASBOX
+     ) | sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+{ $as_echo "$as_me:$LINENO: checking for sys/types.h" >&5
+$as_echo_n "checking for sys/types.h... " >&6; }
+if test "${ac_cv_header_sys_types_h+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_header_sys_types_h=$ac_header_preproc
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_sys_types_h" >&5
+$as_echo "$ac_cv_header_sys_types_h" >&6; }
+
+fi
+if test $ac_cv_header_sys_types_h = yes; then
+  :
+else
+
+cat >>confdefs.h <<\_ACEOF
+#define NO_SYS_TYPES_H /**/
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_unistd_h+set}" = set; then
+  { $as_echo "$as_me:$LINENO: checking for unistd.h" >&5
+$as_echo_n "checking for unistd.h... " >&6; }
+if test "${ac_cv_header_unistd_h+set}" = set; then
+  $as_echo_n "(cached) " >&6
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_unistd_h" >&5
+$as_echo "$ac_cv_header_unistd_h" >&6; }
+else
+  # Is the header compilable?
+{ $as_echo "$as_me:$LINENO: checking unistd.h usability" >&5
+$as_echo_n "checking unistd.h usability... " >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <unistd.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ $as_echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+$as_echo "$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ $as_echo "$as_me:$LINENO: checking unistd.h presence" >&5
+$as_echo_n "checking unistd.h presence... " >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <unistd.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ $as_echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+$as_echo "$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { $as_echo "$as_me:$LINENO: WARNING: unistd.h: accepted by the compiler, rejected by the preprocessor!" >&5
+$as_echo "$as_me: WARNING: unistd.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: unistd.h: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: unistd.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { $as_echo "$as_me:$LINENO: WARNING: unistd.h: present but cannot be compiled" >&5
+$as_echo "$as_me: WARNING: unistd.h: present but cannot be compiled" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: unistd.h:     check for missing prerequisite headers?" >&5
+$as_echo "$as_me: WARNING: unistd.h:     check for missing prerequisite headers?" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: unistd.h: see the Autoconf documentation" >&5
+$as_echo "$as_me: WARNING: unistd.h: see the Autoconf documentation" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: unistd.h:     section \"Present But Cannot Be Compiled\"" >&5
+$as_echo "$as_me: WARNING: unistd.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: unistd.h: proceeding with the preprocessor's result" >&5
+$as_echo "$as_me: WARNING: unistd.h: proceeding with the preprocessor's result" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: unistd.h: in the future, the compiler will take precedence" >&5
+$as_echo "$as_me: WARNING: unistd.h: in the future, the compiler will take precedence" >&2;}
+    ( cat <<\_ASBOX
+## --------------------------------------- ##
+## Report this to support at unidata.ucar.edu ##
+## --------------------------------------- ##
+_ASBOX
+     ) | sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+{ $as_echo "$as_me:$LINENO: checking for unistd.h" >&5
+$as_echo_n "checking for unistd.h... " >&6; }
+if test "${ac_cv_header_unistd_h+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_header_unistd_h=$ac_header_preproc
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_unistd_h" >&5
+$as_echo "$ac_cv_header_unistd_h" >&6; }
+
+fi
+
+
+{ $as_echo "$as_me:$LINENO: checking for strerror" >&5
+$as_echo_n "checking for strerror... " >&6; }
+if test "${ac_cv_func_strerror+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define strerror to an innocuous variant, in case <limits.h> declares strerror.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define strerror innocuous_strerror
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char strerror (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef strerror
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char strerror ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_strerror || defined __stub___strerror
+choke me
+#endif
+
+int
+main ()
+{
+return strerror ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  ac_cv_func_strerror=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_func_strerror=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_strerror" >&5
+$as_echo "$ac_cv_func_strerror" >&6; }
+if test $ac_cv_func_strerror = yes; then
+  :
+else
+
+cat >>confdefs.h <<\_ACEOF
+#define NO_STRERROR /**/
+_ACEOF
+
+fi
+
+{ $as_echo "$as_me:$LINENO: checking for strlcat" >&5
+$as_echo_n "checking for strlcat... " >&6; }
+if test "${ac_cv_func_strlcat+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define strlcat to an innocuous variant, in case <limits.h> declares strlcat.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define strlcat innocuous_strlcat
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char strlcat (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef strlcat
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char strlcat ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_strlcat || defined __stub___strlcat
+choke me
+#endif
+
+int
+main ()
+{
+return strlcat ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  ac_cv_func_strlcat=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_func_strlcat=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_strlcat" >&5
+$as_echo "$ac_cv_func_strlcat" >&6; }
+if test $ac_cv_func_strlcat = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_STRLCAT 1
+_ACEOF
+
+fi
+
+
+    { $as_echo "$as_me:$LINENO: checking for working ftruncate()" >&5
+$as_echo_n "checking for working ftruncate()... " >&6; }
+    if test "$cross_compiling" = yes; then
+  { { $as_echo "$as_me:$LINENO: error: cannot run test program while cross compiling
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: cannot run test program while cross compiling
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <unistd.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+main()
+{
+    char*	path = tmpnam(NULL);
+    int		exitStatus = 1;
+
+    if (path != NULL)
+    {
+	int	fd = open(path, O_RDWR | O_CREAT | O_TRUNC, 0666);
+
+	if (fd != -1)
+	{
+	    if (write(fd, "0", 1) == 1)
+	    {
+		off_t	pos = lseek(fd, 0, SEEK_CUR);
+
+		if (pos != (off_t)-1)
+		{
+		    if (ftruncate(fd, 512) != -1)
+		    {
+			if (pos == lseek(fd, 0, SEEK_CUR))
+			{
+			    if (lseek(fd, 0, SEEK_SET) == 0)
+			    {
+				char	buf[512];
+
+				if (read(fd, buf, 512) == 512)
+				    exitStatus = 0;
+			    }
+			}
+		    }
+		}
+	    }
+	    close(fd);
+	    unlink(path);
+	}
+    }
+
+    return exitStatus;
+}
+
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_FTRUNCATE /**/
+_ACEOF
+
+
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+$as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+fi
+rm -rf conftest.dSYM
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+
+# The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
+# for constant arguments.  Useless!
+{ $as_echo "$as_me:$LINENO: checking for working alloca.h" >&5
+$as_echo_n "checking for working alloca.h... " >&6; }
+if test "${ac_cv_working_alloca_h+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <alloca.h>
+int
+main ()
+{
+char *p = (char *) alloca (2 * sizeof (int));
+			  if (p) return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  ac_cv_working_alloca_h=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_working_alloca_h=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_working_alloca_h" >&5
+$as_echo "$ac_cv_working_alloca_h" >&6; }
+if test $ac_cv_working_alloca_h = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_ALLOCA_H 1
+_ACEOF
+
+fi
+
+{ $as_echo "$as_me:$LINENO: checking for alloca" >&5
+$as_echo_n "checking for alloca... " >&6; }
+if test "${ac_cv_func_alloca_works+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#ifdef __GNUC__
+# define alloca __builtin_alloca
+#else
+# ifdef _MSC_VER
+#  include <malloc.h>
+#  define alloca _alloca
+# else
+#  ifdef HAVE_ALLOCA_H
+#   include <alloca.h>
+#  else
+#   ifdef _AIX
+ #pragma alloca
+#   else
+#    ifndef alloca /* predefined by HP cc +Olibcalls */
+char *alloca ();
+#    endif
+#   endif
+#  endif
+# endif
+#endif
+
+int
+main ()
+{
+char *p = (char *) alloca (1);
+				    if (p) return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  ac_cv_func_alloca_works=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_func_alloca_works=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_alloca_works" >&5
+$as_echo "$ac_cv_func_alloca_works" >&6; }
+
+if test $ac_cv_func_alloca_works = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_ALLOCA 1
+_ACEOF
+
+else
+  # The SVR3 libPW and SVR4 libucb both contain incompatible functions
+# that cause trouble.  Some versions do not even contain alloca or
+# contain a buggy version.  If you still want to use their alloca,
+# use ar to extract alloca.o from them instead of compiling alloca.c.
+
+ALLOCA=\${LIBOBJDIR}alloca.$ac_objext
+
+cat >>confdefs.h <<\_ACEOF
+#define C_ALLOCA 1
+_ACEOF
+
+
+{ $as_echo "$as_me:$LINENO: checking whether \`alloca.c' needs Cray hooks" >&5
+$as_echo_n "checking whether \`alloca.c' needs Cray hooks... " >&6; }
+if test "${ac_cv_os_cray+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#if defined CRAY && ! defined CRAY2
+webecray
+#else
+wenotbecray
+#endif
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "webecray" >/dev/null 2>&1; then
+  ac_cv_os_cray=yes
+else
+  ac_cv_os_cray=no
+fi
+rm -f conftest*
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_os_cray" >&5
+$as_echo "$ac_cv_os_cray" >&6; }
+if test $ac_cv_os_cray = yes; then
+  for ac_func in _getb67 GETB67 getb67; do
+    as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
+$as_echo_n "checking for $ac_func... " >&6; }
+if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_$ac_func || defined __stub___$ac_func
+choke me
+#endif
+
+int
+main ()
+{
+return $ac_func ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  eval "$as_ac_var=yes"
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval "$as_ac_var=no"
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+ac_res=`eval 'as_val=${'$as_ac_var'}
+		 $as_echo "$as_val"'`
+	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if test `eval 'as_val=${'$as_ac_var'}
+		 $as_echo "$as_val"'` = yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define CRAY_STACKSEG_END $ac_func
+_ACEOF
+
+    break
+fi
+
+  done
+fi
+
+{ $as_echo "$as_me:$LINENO: checking stack direction for C alloca" >&5
+$as_echo_n "checking stack direction for C alloca... " >&6; }
+if test "${ac_cv_c_stack_direction+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then
+  ac_cv_c_stack_direction=0
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+find_stack_direction ()
+{
+  static char *addr = 0;
+  auto char dummy;
+  if (addr == 0)
+    {
+      addr = &dummy;
+      return find_stack_direction ();
+    }
+  else
+    return (&dummy > addr) ? 1 : -1;
+}
+
+int
+main ()
+{
+  return find_stack_direction () < 0;
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_c_stack_direction=1
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+$as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_cv_c_stack_direction=-1
+fi
+rm -rf conftest.dSYM
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_c_stack_direction" >&5
+$as_echo "$ac_cv_c_stack_direction" >&6; }
+
+cat >>confdefs.h <<_ACEOF
+#define STACK_DIRECTION $ac_cv_c_stack_direction
+_ACEOF
+
+
+fi
+
+{ $as_echo "$as_me:$LINENO: checking for struct stat.st_blksize" >&5
+$as_echo_n "checking for struct stat.st_blksize... " >&6; }
+if test "${ac_cv_member_struct_stat_st_blksize+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+static struct stat ac_aggr;
+if (ac_aggr.st_blksize)
+return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_member_struct_stat_st_blksize=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+static struct stat ac_aggr;
+if (sizeof ac_aggr.st_blksize)
+return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_member_struct_stat_st_blksize=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_member_struct_stat_st_blksize=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_member_struct_stat_st_blksize" >&5
+$as_echo "$ac_cv_member_struct_stat_st_blksize" >&6; }
+if test $ac_cv_member_struct_stat_st_blksize = yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_STRUCT_STAT_ST_BLKSIZE 1
+_ACEOF
+
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_ST_BLKSIZE 1
+_ACEOF
+
+fi
+
+
+
+{ $as_echo "$as_me:$LINENO: checking for IEEE floating point format" >&5
+$as_echo_n "checking for IEEE floating point format... " >&6; }
+if test "$cross_compiling" = yes; then
+  :
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#ifndef NO_FLOAT_H
+#include <float.h>
+#endif
+
+#define EXIT_NOTIEEE	1
+#define EXIT_MAYBEIEEE	0
+
+int
+main()
+{
+#if	defined(FLT_RADIX)	&& FLT_RADIX != 2
+		return EXIT_NOTIEEE;
+#elif	defined(DBL_MAX_EXP)	&& DBL_MAX_EXP != 1024
+		return EXIT_NOTIEEE;
+#elif	defined(DBL_MANT_DIG)	&& DBL_MANT_DIG != 53
+		return EXIT_NOTIEEE;
+#elif 	defined(FLT_MAX_EXP)	&& !(FLT_MAX_EXP == 1024 || FLT_MAX_EXP == 128)
+		return EXIT_NOTIEEE;
+#elif	defined(FLT_MANT_DIG)	&& !(FLT_MANT_DIG == 53 || FLT_MANT_DIG == 24)
+		return EXIT_NOTIEEE;
+#else
+	/* (assuming eight bit char) */
+	if(sizeof(double) != 8)
+		return EXIT_NOTIEEE;
+	if(!(sizeof(float) == 4 || sizeof(float) == 8))
+		return EXIT_NOTIEEE;
+
+	return EXIT_MAYBEIEEE;
+#endif
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_c_ieeefloat=yes
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+$as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_cv_c_ieeefloat=no
+fi
+rm -rf conftest.dSYM
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_c_ieeefloat" >&5
+$as_echo "$ac_cv_c_ieeefloat" >&6; }
+if test $ac_cv_c_ieeefloat = no; then
+
+cat >>confdefs.h <<\_ACEOF
+#define NO_IEEE_FLOAT /**/
+_ACEOF
+
+fi
+
+{ $as_echo "$as_me:$LINENO: checking for size_t" >&5
+$as_echo_n "checking for size_t... " >&6; }
+if test "${ac_cv_type_size_t+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_type_size_t=no
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+if (sizeof (size_t))
+       return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+if (sizeof ((size_t)))
+	  return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  :
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_type_size_t=yes
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_size_t" >&5
+$as_echo "$ac_cv_type_size_t" >&6; }
+if test $ac_cv_type_size_t = yes; then
+  :
+else
+
+cat >>confdefs.h <<_ACEOF
+#define size_t unsigned int
+_ACEOF
+
+fi
+
+{ $as_echo "$as_me:$LINENO: checking for off_t" >&5
+$as_echo_n "checking for off_t... " >&6; }
+if test "${ac_cv_type_off_t+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_type_off_t=no
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+if (sizeof (off_t))
+       return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+if (sizeof ((off_t)))
+	  return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  :
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_type_off_t=yes
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_off_t" >&5
+$as_echo "$ac_cv_type_off_t" >&6; }
+if test $ac_cv_type_off_t = yes; then
+  :
+else
+
+cat >>confdefs.h <<_ACEOF
+#define off_t long int
+_ACEOF
+
+fi
+
+{ $as_echo "$as_me:$LINENO: checking for ssize_t" >&5
+$as_echo_n "checking for ssize_t... " >&6; }
+if test "${ac_cv_type_ssize_t+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_type_ssize_t=no
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+if (sizeof (ssize_t))
+       return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+if (sizeof ((ssize_t)))
+	  return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  :
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_type_ssize_t=yes
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_ssize_t" >&5
+$as_echo "$ac_cv_type_ssize_t" >&6; }
+if test $ac_cv_type_ssize_t = yes; then
+  :
+else
+
+cat >>confdefs.h <<_ACEOF
+#define ssize_t int
+_ACEOF
+
+fi
+
+{ $as_echo "$as_me:$LINENO: checking for ptrdiff_t" >&5
+$as_echo_n "checking for ptrdiff_t... " >&6; }
+if test "${ac_cv_type_ptrdiff_t+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_type_ptrdiff_t=no
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+if (sizeof (ptrdiff_t))
+       return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+if (sizeof ((ptrdiff_t)))
+	  return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  :
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_type_ptrdiff_t=yes
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_ptrdiff_t" >&5
+$as_echo "$ac_cv_type_ptrdiff_t" >&6; }
+if test $ac_cv_type_ptrdiff_t = yes; then
+  :
+else
+
+cat >>confdefs.h <<_ACEOF
+#define ptrdiff_t int
+_ACEOF
+
+fi
+
+{ $as_echo "$as_me:$LINENO: checking for uchar" >&5
+$as_echo_n "checking for uchar... " >&6; }
+if test "${ac_cv_type_uchar+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_type_uchar=no
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+if (sizeof (uchar))
+       return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+if (sizeof ((uchar)))
+	  return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  :
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_type_uchar=yes
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_uchar" >&5
+$as_echo "$ac_cv_type_uchar" >&6; }
+if test $ac_cv_type_uchar = yes; then
+  :
+else
+
+cat >>confdefs.h <<_ACEOF
+#define uchar unsigned char
+_ACEOF
+
+fi
+
+
+{ $as_echo "$as_me:$LINENO: checking whether char is unsigned" >&5
+$as_echo_n "checking whether char is unsigned... " >&6; }
+if test "${ac_cv_c_char_unsigned+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((char) -1) < 0)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_c_char_unsigned=no
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_c_char_unsigned=yes
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_c_char_unsigned" >&5
+$as_echo "$ac_cv_c_char_unsigned" >&6; }
+if test $ac_cv_c_char_unsigned = yes && test "$GCC" != yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define __CHAR_UNSIGNED__ 1
+_ACEOF
+
+fi
+
+
+ { $as_echo "$as_me:$LINENO: checking whether byte ordering is bigendian" >&5
+$as_echo_n "checking whether byte ordering is bigendian... " >&6; }
+if test "${ac_cv_c_bigendian+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_c_bigendian=unknown
+    # See if __BIG_ENDIAN__ or __LITTLE_ENDIAN__ is defined.
+       cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#if ! (defined __BIG_ENDIAN__ || defined __LITTLE_ENDIAN__)
+	       neither is defined;
+	     #endif
+	     typedef int dummy;
+
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_c_bigendian=universal
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+    if test $ac_cv_c_bigendian = unknown; then
+      # See if sys/param.h defines the BYTE_ORDER macro.
+      cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/types.h>
+	     #include <sys/param.h>
+
+int
+main ()
+{
+#if ! (defined BYTE_ORDER && defined BIG_ENDIAN \
+		     && defined LITTLE_ENDIAN && BYTE_ORDER && BIG_ENDIAN \
+		     && LITTLE_ENDIAN)
+	      bogus endian macros
+	     #endif
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  # It does; now see whether it defined to BIG_ENDIAN or not.
+	 cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/types.h>
+		#include <sys/param.h>
+
+int
+main ()
+{
+#if BYTE_ORDER != BIG_ENDIAN
+		 not big endian
+		#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_c_bigendian=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_c_bigendian=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+    fi
+    if test $ac_cv_c_bigendian = unknown; then
+      # See if <limits.h> defines _LITTLE_ENDIAN or _BIG_ENDIAN (e.g., Solaris).
+      cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <limits.h>
+
+int
+main ()
+{
+#if ! (defined _LITTLE_ENDIAN || defined _BIG_ENDIAN)
+	      bogus endian macros
+	     #endif
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  # It does; now see whether it defined to _BIG_ENDIAN or not.
+	 cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <limits.h>
+
+int
+main ()
+{
+#ifndef _BIG_ENDIAN
+		 not big endian
+		#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_c_bigendian=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_c_bigendian=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+    fi
+    if test $ac_cv_c_bigendian = unknown; then
+      # Compile a test program.
+      if test "$cross_compiling" = yes; then
+  # Try to guess by grepping values from an object file.
+	 cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+short int ascii_mm[] =
+		  { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 };
+		short int ascii_ii[] =
+		  { 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 };
+		int use_ascii (int i) {
+		  return ascii_mm[i] + ascii_ii[i];
+		}
+		short int ebcdic_ii[] =
+		  { 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 };
+		short int ebcdic_mm[] =
+		  { 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 };
+		int use_ebcdic (int i) {
+		  return ebcdic_mm[i] + ebcdic_ii[i];
+		}
+		extern int foo;
+
+int
+main ()
+{
+return use_ascii (foo) == use_ebcdic (foo);
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  if grep BIGenDianSyS conftest.$ac_objext >/dev/null; then
+	      ac_cv_c_bigendian=yes
+	    fi
+	    if grep LiTTleEnDian conftest.$ac_objext >/dev/null ; then
+	      if test "$ac_cv_c_bigendian" = unknown; then
+		ac_cv_c_bigendian=no
+	      else
+		# finding both strings is unlikely to happen, but who knows?
+		ac_cv_c_bigendian=unknown
+	      fi
+	    fi
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+
+	     /* Are we little or big endian?  From Harbison&Steele.  */
+	     union
+	     {
+	       long int l;
+	       char c[sizeof (long int)];
+	     } u;
+	     u.l = 1;
+	     return u.c[sizeof (long int) - 1] == 1;
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_c_bigendian=no
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+$as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_cv_c_bigendian=yes
+fi
+rm -rf conftest.dSYM
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+    fi
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_c_bigendian" >&5
+$as_echo "$ac_cv_c_bigendian" >&6; }
+ case $ac_cv_c_bigendian in #(
+   yes)
+     cat >>confdefs.h <<\_ACEOF
+#define WORDS_BIGENDIAN 1
+_ACEOF
+;; #(
+   no)
+      ;; #(
+   universal)
+      ;; #(
+   *)
+     { { $as_echo "$as_me:$LINENO: error: unknown endianness
+ presetting ac_cv_c_bigendian=no (or yes) will help" >&5
+$as_echo "$as_me: error: unknown endianness
+ presetting ac_cv_c_bigendian=no (or yes) will help" >&2;}
+   { (exit 1); exit 1; }; } ;;
+ esac
+
+# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ $as_echo "$as_me:$LINENO: checking size of short" >&5
+$as_echo_n "checking size of short... " >&6; }
+if test "${ac_cv_sizeof_short+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then
+  # Depending upon the size, compute the lo and hi bounds.
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long int) (sizeof (short))) >= 0)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_lo=0 ac_mid=0
+  while :; do
+    cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long int) (sizeof (short))) <= $ac_mid)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_hi=$ac_mid; break
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_lo=`expr $ac_mid + 1`
+			if test $ac_lo -le $ac_mid; then
+			  ac_lo= ac_hi=
+			  break
+			fi
+			ac_mid=`expr 2 '*' $ac_mid + 1`
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  done
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long int) (sizeof (short))) < 0)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_hi=-1 ac_mid=-1
+  while :; do
+    cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long int) (sizeof (short))) >= $ac_mid)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_lo=$ac_mid; break
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_hi=`expr '(' $ac_mid ')' - 1`
+			if test $ac_mid -le $ac_hi; then
+			  ac_lo= ac_hi=
+			  break
+			fi
+			ac_mid=`expr 2 '*' $ac_mid`
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  done
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_lo= ac_hi=
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+# Binary search between lo and hi bounds.
+while test "x$ac_lo" != "x$ac_hi"; do
+  ac_mid=`expr '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo`
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long int) (sizeof (short))) <= $ac_mid)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_hi=$ac_mid
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_lo=`expr '(' $ac_mid ')' + 1`
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+done
+case $ac_lo in
+?*) ac_cv_sizeof_short=$ac_lo;;
+'') if test "$ac_cv_type_short" = yes; then
+     { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (short)
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: cannot compute sizeof (short)
+See \`config.log' for more details." >&2;}
+   { (exit 77); exit 77; }; }
+   else
+     ac_cv_sizeof_short=0
+   fi ;;
+esac
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+static long int longval () { return (long int) (sizeof (short)); }
+static unsigned long int ulongval () { return (long int) (sizeof (short)); }
+#include <stdio.h>
+#include <stdlib.h>
+int
+main ()
+{
+
+  FILE *f = fopen ("conftest.val", "w");
+  if (! f)
+    return 1;
+  if (((long int) (sizeof (short))) < 0)
+    {
+      long int i = longval ();
+      if (i != ((long int) (sizeof (short))))
+	return 1;
+      fprintf (f, "%ld", i);
+    }
+  else
+    {
+      unsigned long int i = ulongval ();
+      if (i != ((long int) (sizeof (short))))
+	return 1;
+      fprintf (f, "%lu", i);
+    }
+  /* Do not output a trailing newline, as this causes \r\n confusion
+     on some platforms.  */
+  return ferror (f) || fclose (f) != 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_sizeof_short=`cat conftest.val`
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+$as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+if test "$ac_cv_type_short" = yes; then
+     { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (short)
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: cannot compute sizeof (short)
+See \`config.log' for more details." >&2;}
+   { (exit 77); exit 77; }; }
+   else
+     ac_cv_sizeof_short=0
+   fi
+fi
+rm -rf conftest.dSYM
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f conftest.val
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_sizeof_short" >&5
+$as_echo "$ac_cv_sizeof_short" >&6; }
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_SHORT $ac_cv_sizeof_short
+_ACEOF
+
+
+# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ $as_echo "$as_me:$LINENO: checking size of int" >&5
+$as_echo_n "checking size of int... " >&6; }
+if test "${ac_cv_sizeof_int+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then
+  # Depending upon the size, compute the lo and hi bounds.
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long int) (sizeof (int))) >= 0)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_lo=0 ac_mid=0
+  while :; do
+    cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long int) (sizeof (int))) <= $ac_mid)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_hi=$ac_mid; break
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_lo=`expr $ac_mid + 1`
+			if test $ac_lo -le $ac_mid; then
+			  ac_lo= ac_hi=
+			  break
+			fi
+			ac_mid=`expr 2 '*' $ac_mid + 1`
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  done
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long int) (sizeof (int))) < 0)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_hi=-1 ac_mid=-1
+  while :; do
+    cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long int) (sizeof (int))) >= $ac_mid)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_lo=$ac_mid; break
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_hi=`expr '(' $ac_mid ')' - 1`
+			if test $ac_mid -le $ac_hi; then
+			  ac_lo= ac_hi=
+			  break
+			fi
+			ac_mid=`expr 2 '*' $ac_mid`
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  done
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_lo= ac_hi=
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+# Binary search between lo and hi bounds.
+while test "x$ac_lo" != "x$ac_hi"; do
+  ac_mid=`expr '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo`
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long int) (sizeof (int))) <= $ac_mid)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_hi=$ac_mid
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_lo=`expr '(' $ac_mid ')' + 1`
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+done
+case $ac_lo in
+?*) ac_cv_sizeof_int=$ac_lo;;
+'') if test "$ac_cv_type_int" = yes; then
+     { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (int)
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: cannot compute sizeof (int)
+See \`config.log' for more details." >&2;}
+   { (exit 77); exit 77; }; }
+   else
+     ac_cv_sizeof_int=0
+   fi ;;
+esac
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+static long int longval () { return (long int) (sizeof (int)); }
+static unsigned long int ulongval () { return (long int) (sizeof (int)); }
+#include <stdio.h>
+#include <stdlib.h>
+int
+main ()
+{
+
+  FILE *f = fopen ("conftest.val", "w");
+  if (! f)
+    return 1;
+  if (((long int) (sizeof (int))) < 0)
+    {
+      long int i = longval ();
+      if (i != ((long int) (sizeof (int))))
+	return 1;
+      fprintf (f, "%ld", i);
+    }
+  else
+    {
+      unsigned long int i = ulongval ();
+      if (i != ((long int) (sizeof (int))))
+	return 1;
+      fprintf (f, "%lu", i);
+    }
+  /* Do not output a trailing newline, as this causes \r\n confusion
+     on some platforms.  */
+  return ferror (f) || fclose (f) != 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_sizeof_int=`cat conftest.val`
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+$as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+if test "$ac_cv_type_int" = yes; then
+     { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (int)
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: cannot compute sizeof (int)
+See \`config.log' for more details." >&2;}
+   { (exit 77); exit 77; }; }
+   else
+     ac_cv_sizeof_int=0
+   fi
+fi
+rm -rf conftest.dSYM
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f conftest.val
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_sizeof_int" >&5
+$as_echo "$ac_cv_sizeof_int" >&6; }
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_INT $ac_cv_sizeof_int
+_ACEOF
+
+
+# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ $as_echo "$as_me:$LINENO: checking size of long" >&5
+$as_echo_n "checking size of long... " >&6; }
+if test "${ac_cv_sizeof_long+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then
+  # Depending upon the size, compute the lo and hi bounds.
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long int) (sizeof (long))) >= 0)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_lo=0 ac_mid=0
+  while :; do
+    cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long int) (sizeof (long))) <= $ac_mid)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_hi=$ac_mid; break
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_lo=`expr $ac_mid + 1`
+			if test $ac_lo -le $ac_mid; then
+			  ac_lo= ac_hi=
+			  break
+			fi
+			ac_mid=`expr 2 '*' $ac_mid + 1`
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  done
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long int) (sizeof (long))) < 0)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_hi=-1 ac_mid=-1
+  while :; do
+    cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long int) (sizeof (long))) >= $ac_mid)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_lo=$ac_mid; break
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_hi=`expr '(' $ac_mid ')' - 1`
+			if test $ac_mid -le $ac_hi; then
+			  ac_lo= ac_hi=
+			  break
+			fi
+			ac_mid=`expr 2 '*' $ac_mid`
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  done
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_lo= ac_hi=
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+# Binary search between lo and hi bounds.
+while test "x$ac_lo" != "x$ac_hi"; do
+  ac_mid=`expr '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo`
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long int) (sizeof (long))) <= $ac_mid)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_hi=$ac_mid
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_lo=`expr '(' $ac_mid ')' + 1`
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+done
+case $ac_lo in
+?*) ac_cv_sizeof_long=$ac_lo;;
+'') if test "$ac_cv_type_long" = yes; then
+     { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (long)
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: cannot compute sizeof (long)
+See \`config.log' for more details." >&2;}
+   { (exit 77); exit 77; }; }
+   else
+     ac_cv_sizeof_long=0
+   fi ;;
+esac
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+static long int longval () { return (long int) (sizeof (long)); }
+static unsigned long int ulongval () { return (long int) (sizeof (long)); }
+#include <stdio.h>
+#include <stdlib.h>
+int
+main ()
+{
+
+  FILE *f = fopen ("conftest.val", "w");
+  if (! f)
+    return 1;
+  if (((long int) (sizeof (long))) < 0)
+    {
+      long int i = longval ();
+      if (i != ((long int) (sizeof (long))))
+	return 1;
+      fprintf (f, "%ld", i);
+    }
+  else
+    {
+      unsigned long int i = ulongval ();
+      if (i != ((long int) (sizeof (long))))
+	return 1;
+      fprintf (f, "%lu", i);
+    }
+  /* Do not output a trailing newline, as this causes \r\n confusion
+     on some platforms.  */
+  return ferror (f) || fclose (f) != 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_sizeof_long=`cat conftest.val`
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+$as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+if test "$ac_cv_type_long" = yes; then
+     { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (long)
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: cannot compute sizeof (long)
+See \`config.log' for more details." >&2;}
+   { (exit 77); exit 77; }; }
+   else
+     ac_cv_sizeof_long=0
+   fi
+fi
+rm -rf conftest.dSYM
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f conftest.val
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_sizeof_long" >&5
+$as_echo "$ac_cv_sizeof_long" >&6; }
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_LONG $ac_cv_sizeof_long
+_ACEOF
+
+
+# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ $as_echo "$as_me:$LINENO: checking size of float" >&5
+$as_echo_n "checking size of float... " >&6; }
+if test "${ac_cv_sizeof_float+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then
+  # Depending upon the size, compute the lo and hi bounds.
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long int) (sizeof (float))) >= 0)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_lo=0 ac_mid=0
+  while :; do
+    cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long int) (sizeof (float))) <= $ac_mid)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_hi=$ac_mid; break
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_lo=`expr $ac_mid + 1`
+			if test $ac_lo -le $ac_mid; then
+			  ac_lo= ac_hi=
+			  break
+			fi
+			ac_mid=`expr 2 '*' $ac_mid + 1`
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  done
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long int) (sizeof (float))) < 0)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_hi=-1 ac_mid=-1
+  while :; do
+    cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long int) (sizeof (float))) >= $ac_mid)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_lo=$ac_mid; break
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_hi=`expr '(' $ac_mid ')' - 1`
+			if test $ac_mid -le $ac_hi; then
+			  ac_lo= ac_hi=
+			  break
+			fi
+			ac_mid=`expr 2 '*' $ac_mid`
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  done
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_lo= ac_hi=
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+# Binary search between lo and hi bounds.
+while test "x$ac_lo" != "x$ac_hi"; do
+  ac_mid=`expr '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo`
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long int) (sizeof (float))) <= $ac_mid)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_hi=$ac_mid
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_lo=`expr '(' $ac_mid ')' + 1`
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+done
+case $ac_lo in
+?*) ac_cv_sizeof_float=$ac_lo;;
+'') if test "$ac_cv_type_float" = yes; then
+     { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (float)
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: cannot compute sizeof (float)
+See \`config.log' for more details." >&2;}
+   { (exit 77); exit 77; }; }
+   else
+     ac_cv_sizeof_float=0
+   fi ;;
+esac
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+static long int longval () { return (long int) (sizeof (float)); }
+static unsigned long int ulongval () { return (long int) (sizeof (float)); }
+#include <stdio.h>
+#include <stdlib.h>
+int
+main ()
+{
+
+  FILE *f = fopen ("conftest.val", "w");
+  if (! f)
+    return 1;
+  if (((long int) (sizeof (float))) < 0)
+    {
+      long int i = longval ();
+      if (i != ((long int) (sizeof (float))))
+	return 1;
+      fprintf (f, "%ld", i);
+    }
+  else
+    {
+      unsigned long int i = ulongval ();
+      if (i != ((long int) (sizeof (float))))
+	return 1;
+      fprintf (f, "%lu", i);
+    }
+  /* Do not output a trailing newline, as this causes \r\n confusion
+     on some platforms.  */
+  return ferror (f) || fclose (f) != 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_sizeof_float=`cat conftest.val`
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+$as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+if test "$ac_cv_type_float" = yes; then
+     { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (float)
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: cannot compute sizeof (float)
+See \`config.log' for more details." >&2;}
+   { (exit 77); exit 77; }; }
+   else
+     ac_cv_sizeof_float=0
+   fi
+fi
+rm -rf conftest.dSYM
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f conftest.val
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_sizeof_float" >&5
+$as_echo "$ac_cv_sizeof_float" >&6; }
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_FLOAT $ac_cv_sizeof_float
+_ACEOF
+
+
+# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ $as_echo "$as_me:$LINENO: checking size of double" >&5
+$as_echo_n "checking size of double... " >&6; }
+if test "${ac_cv_sizeof_double+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then
+  # Depending upon the size, compute the lo and hi bounds.
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long int) (sizeof (double))) >= 0)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_lo=0 ac_mid=0
+  while :; do
+    cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long int) (sizeof (double))) <= $ac_mid)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_hi=$ac_mid; break
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_lo=`expr $ac_mid + 1`
+			if test $ac_lo -le $ac_mid; then
+			  ac_lo= ac_hi=
+			  break
+			fi
+			ac_mid=`expr 2 '*' $ac_mid + 1`
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  done
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long int) (sizeof (double))) < 0)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_hi=-1 ac_mid=-1
+  while :; do
+    cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long int) (sizeof (double))) >= $ac_mid)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_lo=$ac_mid; break
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_hi=`expr '(' $ac_mid ')' - 1`
+			if test $ac_mid -le $ac_hi; then
+			  ac_lo= ac_hi=
+			  break
+			fi
+			ac_mid=`expr 2 '*' $ac_mid`
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  done
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_lo= ac_hi=
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+# Binary search between lo and hi bounds.
+while test "x$ac_lo" != "x$ac_hi"; do
+  ac_mid=`expr '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo`
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long int) (sizeof (double))) <= $ac_mid)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_hi=$ac_mid
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_lo=`expr '(' $ac_mid ')' + 1`
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+done
+case $ac_lo in
+?*) ac_cv_sizeof_double=$ac_lo;;
+'') if test "$ac_cv_type_double" = yes; then
+     { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (double)
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: cannot compute sizeof (double)
+See \`config.log' for more details." >&2;}
+   { (exit 77); exit 77; }; }
+   else
+     ac_cv_sizeof_double=0
+   fi ;;
+esac
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+static long int longval () { return (long int) (sizeof (double)); }
+static unsigned long int ulongval () { return (long int) (sizeof (double)); }
+#include <stdio.h>
+#include <stdlib.h>
+int
+main ()
+{
+
+  FILE *f = fopen ("conftest.val", "w");
+  if (! f)
+    return 1;
+  if (((long int) (sizeof (double))) < 0)
+    {
+      long int i = longval ();
+      if (i != ((long int) (sizeof (double))))
+	return 1;
+      fprintf (f, "%ld", i);
+    }
+  else
+    {
+      unsigned long int i = ulongval ();
+      if (i != ((long int) (sizeof (double))))
+	return 1;
+      fprintf (f, "%lu", i);
+    }
+  /* Do not output a trailing newline, as this causes \r\n confusion
+     on some platforms.  */
+  return ferror (f) || fclose (f) != 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_sizeof_double=`cat conftest.val`
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+$as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+if test "$ac_cv_type_double" = yes; then
+     { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (double)
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: cannot compute sizeof (double)
+See \`config.log' for more details." >&2;}
+   { (exit 77); exit 77; }; }
+   else
+     ac_cv_sizeof_double=0
+   fi
+fi
+rm -rf conftest.dSYM
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f conftest.val
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_sizeof_double" >&5
+$as_echo "$ac_cv_sizeof_double" >&6; }
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_DOUBLE $ac_cv_sizeof_double
+_ACEOF
+
+
+{ $as_echo "$as_me:$LINENO: checking size of off_t" >&5
+$as_echo_n "checking size of off_t... " >&6; }
+if test "${ac_cv_sizeof_off_t+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then
+  ac_cv_sizeof_off_t=0
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <stdio.h>
+#include <sys/types.h>
+#if STDC_HEADERS
+#include <stdlib.h>
+#endif
+main()
+{
+  FILE *f=fopen("conftestval", "w");
+  if (!f) exit(1);
+  fprintf(f, "%d\n", sizeof(off_t));
+  exit(0);
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_sizeof_off_t=`cat conftestval`
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+$as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_cv_sizeof_off_t=0
+fi
+rm -rf conftest.dSYM
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_sizeof_off_t" >&5
+$as_echo "$ac_cv_sizeof_off_t" >&6; }
+
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_OFF_T $ac_cv_sizeof_off_t
+_ACEOF
+
+
+{ $as_echo "$as_me:$LINENO: checking size of size_t" >&5
+$as_echo_n "checking size of size_t... " >&6; }
+if test "${ac_cv_sizeof_size_t+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then
+  ac_cv_sizeof_size_t=0
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <stdio.h>
+#include <sys/types.h>
+#if STDC_HEADERS
+#include <stdlib.h>
+#endif
+main()
+{
+  FILE *f=fopen("conftestval", "w");
+  if (!f) exit(1);
+  fprintf(f, "%d\n", sizeof(size_t));
+  exit(0);
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_sizeof_size_t=`cat conftestval`
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+$as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_cv_sizeof_size_t=0
+fi
+rm -rf conftest.dSYM
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_sizeof_size_t" >&5
+$as_echo "$ac_cv_sizeof_size_t" >&6; }
+
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_SIZE_T $ac_cv_sizeof_size_t
+_ACEOF
+
+
+
+    #
+    # NB: We always want to define WHATIS to prevent the
+    # $(MANDIR)/$(WHATIS) make(1) target from being just $(MANDIR)/ and
+    # conflicting with the (directory creation) target with the same name.
+    #
+    WHATIS=whatis
+    case `uname -sr` in
+	BSD/OS*|FreeBSD*)
+	    # Can't generate a user-database -- only /usr/share/man/whatis.db.
+	    MAKEWHATIS_CMD=
+	    ;;
+	'IRIX64 6.5'|'IRIX 6.5')
+	    MAKEWHATIS_CMD='/usr/lib/makewhatis -M $(MANDIR) $(MANDIR)/whatis'
+	    ;;
+	'IRIX 6'*)
+	    # Can't generate a user-database.
+	    MAKEWHATIS_CMD=
+	    ;;
+	HP-UX*)
+	    # Can't generate a user-database -- only /usr/lib/whatis.
+	    MAKEWHATIS_CMD=
+	    ;;
+	'Linux '*)
+	    # /usr/sbin/makewhatis doesn't work
+	    MAKEWHATIS_CMD=
+	    ;;
+	ULTRIX*)
+	    # Can't generate a user-database -- only /usr/lib/whatis.
+	    MAKEWHATIS_CMD=
+	    ;;
+	*)
+	    if test -r /usr/man/windex; then
+		WHATIS=windex
+	    fi
+	    for ac_prog in catman makewhatis /usr/lib/makewhatis
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_prog+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$prog"; then
+  ac_cv_prog_prog="$prog" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_prog="$ac_prog"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+prog=$ac_cv_prog_prog
+if test -n "$prog"; then
+  { $as_echo "$as_me:$LINENO: result: $prog" >&5
+$as_echo "$prog" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$prog" && break
+done
+
+	    case "$prog" in
+		*catman*)
+		    MAKEWHATIS_CMD=$prog' -w -M $(MANDIR)'
+		    ;;
+		*makewhatis*)
+		    MAKEWHATIS_CMD=$prog' $(MANDIR)'
+		    ;;
+	    esac
+	    ;;
+    esac
+
+
+    { $as_echo "$as_me:$LINENO: checking for manual-page index command" >&5
+$as_echo_n "checking for manual-page index command... " >&6; }
+    { $as_echo "$as_me:$LINENO: result: $MAKEWHATIS_CMD" >&5
+$as_echo "$MAKEWHATIS_CMD" >&6; }
+
+
+# For nightly build testing, output CC, FC, etc.
+if test x$enable_compiler_recover = xno; then
+   echo "CC=$CC CXX=$CXX FC=$FC F77=$F77" >> comps.txt
+fi
+
+{ $as_echo "$as_me:$LINENO: generating header files and makefiles" >&5
+$as_echo "$as_me: generating header files and makefiles" >&6;}
+
+ac_config_files="$ac_config_files Makefile doc/Makefile cfcheck/Makefile src/Makefile gridspec_tools_20080702/Makefile gridspec_tools_20080702/shared/Makefile gridspec_tools_20080702/shared/mosaic/Makefile gridspec_tools_20080702/tools/Makefile gridspec_tools_20080702/tools/shared/Makefile gridspec_tools_20080702/tools/make_hgrid/Makefile gridspec_tools_20080702/tools/make_solo_mosaic/Makefile gridspec_tools_20080702/tools/make_coupler_mosaic/Makefile gridspec_tools_20080702/tools/fregri [...]
+
+
+cat >confcache <<\_ACEOF
+# This file is a shell script that caches the results of configure
+# tests run on this system so they can be shared between configure
+# scripts and configure runs, see configure's option --config-cache.
+# It is not useful on other systems.  If it contains results you don't
+# want to keep, you may remove or edit it.
+#
+# config.status only pays attention to the cache file if you give it
+# the --recheck option to rerun configure.
+#
+# `ac_cv_env_foo' variables (set or unset) will be overridden when
+# loading this file, other *unset* `ac_cv_foo' will be assigned the
+# following values.
+
+_ACEOF
+
+# The following way of writing the cache mishandles newlines in values,
+# but we know of no workaround that is simple, portable, and efficient.
+# So, we kill variables containing newlines.
+# Ultrix sh set writes to stderr and can't be redirected directly,
+# and sets the high bit in the cache file unless we assign to the vars.
+(
+  for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do
+    eval ac_val=\$$ac_var
+    case $ac_val in #(
+    *${as_nl}*)
+      case $ac_var in #(
+      *_cv_*) { $as_echo "$as_me:$LINENO: WARNING: Cache variable $ac_var contains a newline." >&5
+$as_echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;;
+      esac
+      case $ac_var in #(
+      _ | IFS | as_nl) ;; #(
+      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
+      *) $as_unset $ac_var ;;
+      esac ;;
+    esac
+  done
+
+  (set) 2>&1 |
+    case $as_nl`(ac_space=' '; set) 2>&1` in #(
+    *${as_nl}ac_space=\ *)
+      # `set' does not quote correctly, so add quotes (double-quote
+      # substitution turns \\\\ into \\, and sed turns \\ into \).
+      sed -n \
+	"s/'/'\\\\''/g;
+	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
+      ;; #(
+    *)
+      # `set' quotes correctly as required by POSIX, so do not add quotes.
+      sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
+      ;;
+    esac |
+    sort
+) |
+  sed '
+     /^ac_cv_env_/b end
+     t clear
+     :clear
+     s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/
+     t end
+     s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/
+     :end' >>confcache
+if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
+  if test -w "$cache_file"; then
+    test "x$cache_file" != "x/dev/null" &&
+      { $as_echo "$as_me:$LINENO: updating cache $cache_file" >&5
+$as_echo "$as_me: updating cache $cache_file" >&6;}
+    cat confcache >$cache_file
+  else
+    { $as_echo "$as_me:$LINENO: not updating unwritable cache $cache_file" >&5
+$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
+  fi
+fi
+rm -f confcache
+
+test "x$prefix" = xNONE && prefix=$ac_default_prefix
+# Let make expand exec_prefix.
+test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
+
+DEFS=-DHAVE_CONFIG_H
+
+ac_libobjs=
+ac_ltlibobjs=
+for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
+  # 1. Remove the extension, and $U if already installed.
+  ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
+  ac_i=`$as_echo "$ac_i" | sed "$ac_script"`
+  # 2. Prepend LIBOBJDIR.  When used with automake>=1.10 LIBOBJDIR
+  #    will be set to the directory where LIBOBJS objects are built.
+  ac_libobjs="$ac_libobjs \${LIBOBJDIR}$ac_i\$U.$ac_objext"
+  ac_ltlibobjs="$ac_ltlibobjs \${LIBOBJDIR}$ac_i"'$U.lo'
+done
+LIBOBJS=$ac_libobjs
+
+LTLIBOBJS=$ac_ltlibobjs
+
+
+if test -z "${BUILD_DOCS_TRUE}" && test -z "${BUILD_DOCS_FALSE}"; then
+  { { $as_echo "$as_me:$LINENO: error: conditional \"BUILD_DOCS\" was never defined.
+Usually this means the macro was only invoked conditionally." >&5
+$as_echo "$as_me: error: conditional \"BUILD_DOCS\" was never defined.
+Usually this means the macro was only invoked conditionally." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+if test -z "${BUILD_GRIDSPEC_TRUE}" && test -z "${BUILD_GRIDSPEC_FALSE}"; then
+  { { $as_echo "$as_me:$LINENO: error: conditional \"BUILD_GRIDSPEC\" was never defined.
+Usually this means the macro was only invoked conditionally." >&5
+$as_echo "$as_me: error: conditional \"BUILD_GRIDSPEC\" was never defined.
+Usually this means the macro was only invoked conditionally." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+if test -z "${BUILD_CFCHECK_TRUE}" && test -z "${BUILD_CFCHECK_FALSE}"; then
+  { { $as_echo "$as_me:$LINENO: error: conditional \"BUILD_CFCHECK\" was never defined.
+Usually this means the macro was only invoked conditionally." >&5
+$as_echo "$as_me: error: conditional \"BUILD_CFCHECK\" was never defined.
+Usually this means the macro was only invoked conditionally." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+if test -z "${USE_NETCDF4_TRUE}" && test -z "${USE_NETCDF4_FALSE}"; then
+  { { $as_echo "$as_me:$LINENO: error: conditional \"USE_NETCDF4\" was never defined.
+Usually this means the macro was only invoked conditionally." >&5
+$as_echo "$as_me: error: conditional \"USE_NETCDF4\" was never defined.
+Usually this means the macro was only invoked conditionally." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+if test -z "${EXTRA_DATA_TESTS_TRUE}" && test -z "${EXTRA_DATA_TESTS_FALSE}"; then
+  { { $as_echo "$as_me:$LINENO: error: conditional \"EXTRA_DATA_TESTS\" was never defined.
+Usually this means the macro was only invoked conditionally." >&5
+$as_echo "$as_me: error: conditional \"EXTRA_DATA_TESTS\" was never defined.
+Usually this means the macro was only invoked conditionally." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+if test -z "${USE_HDF5_DIR_TRUE}" && test -z "${USE_HDF5_DIR_FALSE}"; then
+  { { $as_echo "$as_me:$LINENO: error: conditional \"USE_HDF5_DIR\" was never defined.
+Usually this means the macro was only invoked conditionally." >&5
+$as_echo "$as_me: error: conditional \"USE_HDF5_DIR\" was never defined.
+Usually this means the macro was only invoked conditionally." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+if test -z "${BUILD_F90_TRUE}" && test -z "${BUILD_F90_FALSE}"; then
+  { { $as_echo "$as_me:$LINENO: error: conditional \"BUILD_F90\" was never defined.
+Usually this means the macro was only invoked conditionally." >&5
+$as_echo "$as_me: error: conditional \"BUILD_F90\" was never defined.
+Usually this means the macro was only invoked conditionally." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+if test -z "${USE_NETCDF_DIR_TRUE}" && test -z "${USE_NETCDF_DIR_FALSE}"; then
+  { { $as_echo "$as_me:$LINENO: error: conditional \"USE_NETCDF_DIR\" was never defined.
+Usually this means the macro was only invoked conditionally." >&5
+$as_echo "$as_me: error: conditional \"USE_NETCDF_DIR\" was never defined.
+Usually this means the macro was only invoked conditionally." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then
+  { { $as_echo "$as_me:$LINENO: error: conditional \"AMDEP\" was never defined.
+Usually this means the macro was only invoked conditionally." >&5
+$as_echo "$as_me: error: conditional \"AMDEP\" was never defined.
+Usually this means the macro was only invoked conditionally." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then
+  { { $as_echo "$as_me:$LINENO: error: conditional \"am__fastdepCC\" was never defined.
+Usually this means the macro was only invoked conditionally." >&5
+$as_echo "$as_me: error: conditional \"am__fastdepCC\" was never defined.
+Usually this means the macro was only invoked conditionally." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
+: ${CONFIG_STATUS=./config.status}
+ac_write_fail=0
+ac_clean_files_save=$ac_clean_files
+ac_clean_files="$ac_clean_files $CONFIG_STATUS"
+{ $as_echo "$as_me:$LINENO: creating $CONFIG_STATUS" >&5
+$as_echo "$as_me: creating $CONFIG_STATUS" >&6;}
+cat >$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+#! $SHELL
+# Generated by $as_me.
+# Run this file to recreate the current configuration.
+# Compiler output produced by configure, useful for debugging
+# configure, is in config.log if it exists.
+
+debug=false
+ac_cs_recheck=false
+ac_cs_silent=false
+SHELL=\${CONFIG_SHELL-$SHELL}
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+## --------------------- ##
+## M4sh Initialization.  ##
+## --------------------- ##
+
+# Be more Bourne compatible
+DUALCASE=1; export DUALCASE # for MKS sh
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in
+  *posix*) set -o posix ;;
+esac
+
+fi
+
+
+
+
+# PATH needs CR
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
+
+as_nl='
+'
+export as_nl
+# Printing a long string crashes Solaris 7 /usr/bin/printf.
+as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
+if (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='printf %s\n'
+  as_echo_n='printf %s'
+else
+  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
+    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
+    as_echo_n='/usr/ucb/echo -n'
+  else
+    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
+    as_echo_n_body='eval
+      arg=$1;
+      case $arg in
+      *"$as_nl"*)
+	expr "X$arg" : "X\\(.*\\)$as_nl";
+	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
+      esac;
+      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
+    '
+    export as_echo_n_body
+    as_echo_n='sh -c $as_echo_n_body as_echo'
+  fi
+  export as_echo_body
+  as_echo='sh -c $as_echo_body as_echo'
+fi
+
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+  PATH_SEPARATOR=:
+  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
+    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
+      PATH_SEPARATOR=';'
+  }
+fi
+
+# Support unset when possible.
+if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
+  as_unset=unset
+else
+  as_unset=false
+fi
+
+
+# IFS
+# We need space, tab and new line, in precisely that order.  Quoting is
+# there to prevent editors from complaining about space-tab.
+# (If _AS_PATH_WALK were called with IFS unset, it would disable word
+# splitting by setting IFS to empty value.)
+IFS=" ""	$as_nl"
+
+# Find who we are.  Look in the path if we contain no directory separator.
+case $0 in
+  *[\\/]* ) as_myself=$0 ;;
+  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+done
+IFS=$as_save_IFS
+
+     ;;
+esac
+# We did not find ourselves, most probably we were run as `sh COMMAND'
+# in which case we are not to be found in the path.
+if test "x$as_myself" = x; then
+  as_myself=$0
+fi
+if test ! -f "$as_myself"; then
+  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  { (exit 1); exit 1; }
+fi
+
+# Work around bugs in pre-3.0 UWIN ksh.
+for as_var in ENV MAIL MAILPATH
+do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
+done
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# NLS nuisances.
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# Required to use basename.
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
+  as_basename=basename
+else
+  as_basename=false
+fi
+
+
+# Name of the executable.
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+
+# CDPATH.
+$as_unset CDPATH
+
+
+
+  as_lineno_1=$LINENO
+  as_lineno_2=$LINENO
+  test "x$as_lineno_1" != "x$as_lineno_2" &&
+  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2" || {
+
+  # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
+  # uniformly replaced by the line number.  The first 'sed' inserts a
+  # line-number line after each line using $LINENO; the second 'sed'
+  # does the real work.  The second script uses 'N' to pair each
+  # line-number line with the line containing $LINENO, and appends
+  # trailing '-' during substitution so that $LINENO is not a special
+  # case at line end.
+  # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
+  # scripts with optimization help from Paolo Bonzini.  Blame Lee
+  # E. McMahon (1931-1989) for sed's syntax.  :-)
+  sed -n '
+    p
+    /[$]LINENO/=
+  ' <$as_myself |
+    sed '
+      s/[$]LINENO.*/&-/
+      t lineno
+      b
+      :lineno
+      N
+      :loop
+      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
+      t loop
+      s/-\n.*//
+    ' >$as_me.lineno &&
+  chmod +x "$as_me.lineno" ||
+    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2
+   { (exit 1); exit 1; }; }
+
+  # Don't try to exec as it changes $[0], causing all sort of problems
+  # (the dirname of $[0] is not the place where we might find the
+  # original and so on.  Autoconf is especially sensitive to this).
+  . "./$as_me.lineno"
+  # Exit status is that of the last command.
+  exit
+}
+
+
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
+
+ECHO_C= ECHO_N= ECHO_T=
+case `echo -n x` in
+-n*)
+  case `echo 'x\c'` in
+  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
+  *)   ECHO_C='\c';;
+  esac;;
+*)
+  ECHO_N='-n';;
+esac
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
+rm -f conf$$ conf$$.exe conf$$.file
+if test -d conf$$.dir; then
+  rm -f conf$$.dir/conf$$.file
+else
+  rm -f conf$$.dir
+  mkdir conf$$.dir 2>/dev/null
+fi
+if (echo >conf$$.file) 2>/dev/null; then
+  if ln -s conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s='ln -s'
+    # ... but there are two gotchas:
+    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+    # In both cases, we have to default to `cp -p'.
+    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+      as_ln_s='cp -p'
+  elif ln conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s=ln
+  else
+    as_ln_s='cp -p'
+  fi
+else
+  as_ln_s='cp -p'
+fi
+rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
+rmdir conf$$.dir 2>/dev/null
+
+if mkdir -p . 2>/dev/null; then
+  as_mkdir_p=:
+else
+  test -d ./-p && rmdir ./-p
+  as_mkdir_p=false
+fi
+
+if test -x / >/dev/null 2>&1; then
+  as_test_x='test -x'
+else
+  if ls -dL / >/dev/null 2>&1; then
+    as_ls_L_option=L
+  else
+    as_ls_L_option=
+  fi
+  as_test_x='
+    eval sh -c '\''
+      if test -d "$1"; then
+	test -d "$1/.";
+      else
+	case $1 in
+	-*)set "./$1";;
+	esac;
+	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in
+	???[sx]*):;;*)false;;esac;fi
+    '\'' sh
+  '
+fi
+as_executable_p=$as_test_x
+
+# Sed expression to map a string onto a valid CPP name.
+as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+
+# Sed expression to map a string onto a valid variable name.
+as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+
+
+exec 6>&1
+
+# Save the log message, to keep $[0] and so on meaningful, and to
+# report actual input values of CONFIG_FILES etc. instead of their
+# values after options handling.
+ac_log="
+This file was extended by libcf $as_me 1.0-alpha4, which was
+generated by GNU Autoconf 2.62.  Invocation command line was
+
+  CONFIG_FILES    = $CONFIG_FILES
+  CONFIG_HEADERS  = $CONFIG_HEADERS
+  CONFIG_LINKS    = $CONFIG_LINKS
+  CONFIG_COMMANDS = $CONFIG_COMMANDS
+  $ $0 $@
+
+on `(hostname || uname -n) 2>/dev/null | sed 1q`
+"
+
+_ACEOF
+
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+# Files that config.status was made for.
+config_files="$ac_config_files"
+config_headers="$ac_config_headers"
+config_commands="$ac_config_commands"
+
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+ac_cs_usage="\
+\`$as_me' instantiates files from templates according to the
+current configuration.
+
+Usage: $0 [OPTIONS] [FILE]...
+
+  -h, --help       print this help, then exit
+  -V, --version    print version number and configuration settings, then exit
+  -q, --quiet      do not print progress messages
+  -d, --debug      don't remove temporary files
+      --recheck    update $as_me by reconfiguring in the same conditions
+  --file=FILE[:TEMPLATE]
+                   instantiate the configuration file FILE
+  --header=FILE[:TEMPLATE]
+                   instantiate the configuration header FILE
+
+Configuration files:
+$config_files
+
+Configuration headers:
+$config_headers
+
+Configuration commands:
+$config_commands
+
+Report bugs to <bug-autoconf at gnu.org>."
+
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ac_cs_version="\\
+libcf config.status 1.0-alpha4
+configured by $0, generated by GNU Autoconf 2.62,
+  with options \\"`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
+
+Copyright (C) 2008 Free Software Foundation, Inc.
+This config.status script is free software; the Free Software Foundation
+gives unlimited permission to copy, distribute and modify it."
+
+ac_pwd='$ac_pwd'
+srcdir='$srcdir'
+INSTALL='$INSTALL'
+MKDIR_P='$MKDIR_P'
+AWK='$AWK'
+test -n "\$AWK" || AWK=awk
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# The default lists apply if the user does not specify any file.
+ac_need_defaults=:
+while test $# != 0
+do
+  case $1 in
+  --*=*)
+    ac_option=`expr "X$1" : 'X\([^=]*\)='`
+    ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'`
+    ac_shift=:
+    ;;
+  *)
+    ac_option=$1
+    ac_optarg=$2
+    ac_shift=shift
+    ;;
+  esac
+
+  case $ac_option in
+  # Handling of the options.
+  -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
+    ac_cs_recheck=: ;;
+  --version | --versio | --versi | --vers | --ver | --ve | --v | -V )
+    $as_echo "$ac_cs_version"; exit ;;
+  --debug | --debu | --deb | --de | --d | -d )
+    debug=: ;;
+  --file | --fil | --fi | --f )
+    $ac_shift
+    case $ac_optarg in
+    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    esac
+    CONFIG_FILES="$CONFIG_FILES '$ac_optarg'"
+    ac_need_defaults=false;;
+  --header | --heade | --head | --hea )
+    $ac_shift
+    case $ac_optarg in
+    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    esac
+    CONFIG_HEADERS="$CONFIG_HEADERS '$ac_optarg'"
+    ac_need_defaults=false;;
+  --he | --h)
+    # Conflict between --help and --header
+    { $as_echo "$as_me: error: ambiguous option: $1
+Try \`$0 --help' for more information." >&2
+   { (exit 1); exit 1; }; };;
+  --help | --hel | -h )
+    $as_echo "$ac_cs_usage"; exit ;;
+  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+  | -silent | --silent | --silen | --sile | --sil | --si | --s)
+    ac_cs_silent=: ;;
+
+  # This is an error.
+  -*) { $as_echo "$as_me: error: unrecognized option: $1
+Try \`$0 --help' for more information." >&2
+   { (exit 1); exit 1; }; } ;;
+
+  *) ac_config_targets="$ac_config_targets $1"
+     ac_need_defaults=false ;;
+
+  esac
+  shift
+done
+
+ac_configure_extra_args=
+
+if $ac_cs_silent; then
+  exec 6>/dev/null
+  ac_configure_extra_args="$ac_configure_extra_args --silent"
+fi
+
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+if \$ac_cs_recheck; then
+  set X '$SHELL' '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
+  shift
+  \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6
+  CONFIG_SHELL='$SHELL'
+  export CONFIG_SHELL
+  exec "\$@"
+fi
+
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+exec 5>>config.log
+{
+  echo
+  sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
+## Running $as_me. ##
+_ASBOX
+  $as_echo "$ac_log"
+} >&5
+
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+#
+# INIT-COMMANDS
+#
+AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"
+
+
+# The HP-UX ksh and POSIX shell print the target directory to stdout
+# if CDPATH is set.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+sed_quote_subst='$sed_quote_subst'
+double_quote_subst='$double_quote_subst'
+delay_variable_subst='$delay_variable_subst'
+enable_shared='`$ECHO "X$enable_shared" | $Xsed -e "$delay_single_quote_subst"`'
+AS='`$ECHO "X$AS" | $Xsed -e "$delay_single_quote_subst"`'
+DLLTOOL='`$ECHO "X$DLLTOOL" | $Xsed -e "$delay_single_quote_subst"`'
+OBJDUMP='`$ECHO "X$OBJDUMP" | $Xsed -e "$delay_single_quote_subst"`'
+macro_version='`$ECHO "X$macro_version" | $Xsed -e "$delay_single_quote_subst"`'
+macro_revision='`$ECHO "X$macro_revision" | $Xsed -e "$delay_single_quote_subst"`'
+enable_static='`$ECHO "X$enable_static" | $Xsed -e "$delay_single_quote_subst"`'
+pic_mode='`$ECHO "X$pic_mode" | $Xsed -e "$delay_single_quote_subst"`'
+enable_fast_install='`$ECHO "X$enable_fast_install" | $Xsed -e "$delay_single_quote_subst"`'
+host_alias='`$ECHO "X$host_alias" | $Xsed -e "$delay_single_quote_subst"`'
+host='`$ECHO "X$host" | $Xsed -e "$delay_single_quote_subst"`'
+host_os='`$ECHO "X$host_os" | $Xsed -e "$delay_single_quote_subst"`'
+build_alias='`$ECHO "X$build_alias" | $Xsed -e "$delay_single_quote_subst"`'
+build='`$ECHO "X$build" | $Xsed -e "$delay_single_quote_subst"`'
+build_os='`$ECHO "X$build_os" | $Xsed -e "$delay_single_quote_subst"`'
+SED='`$ECHO "X$SED" | $Xsed -e "$delay_single_quote_subst"`'
+Xsed='`$ECHO "X$Xsed" | $Xsed -e "$delay_single_quote_subst"`'
+GREP='`$ECHO "X$GREP" | $Xsed -e "$delay_single_quote_subst"`'
+EGREP='`$ECHO "X$EGREP" | $Xsed -e "$delay_single_quote_subst"`'
+FGREP='`$ECHO "X$FGREP" | $Xsed -e "$delay_single_quote_subst"`'
+LD='`$ECHO "X$LD" | $Xsed -e "$delay_single_quote_subst"`'
+NM='`$ECHO "X$NM" | $Xsed -e "$delay_single_quote_subst"`'
+LN_S='`$ECHO "X$LN_S" | $Xsed -e "$delay_single_quote_subst"`'
+max_cmd_len='`$ECHO "X$max_cmd_len" | $Xsed -e "$delay_single_quote_subst"`'
+ac_objext='`$ECHO "X$ac_objext" | $Xsed -e "$delay_single_quote_subst"`'
+exeext='`$ECHO "X$exeext" | $Xsed -e "$delay_single_quote_subst"`'
+lt_unset='`$ECHO "X$lt_unset" | $Xsed -e "$delay_single_quote_subst"`'
+lt_SP2NL='`$ECHO "X$lt_SP2NL" | $Xsed -e "$delay_single_quote_subst"`'
+lt_NL2SP='`$ECHO "X$lt_NL2SP" | $Xsed -e "$delay_single_quote_subst"`'
+reload_flag='`$ECHO "X$reload_flag" | $Xsed -e "$delay_single_quote_subst"`'
+reload_cmds='`$ECHO "X$reload_cmds" | $Xsed -e "$delay_single_quote_subst"`'
+deplibs_check_method='`$ECHO "X$deplibs_check_method" | $Xsed -e "$delay_single_quote_subst"`'
+file_magic_cmd='`$ECHO "X$file_magic_cmd" | $Xsed -e "$delay_single_quote_subst"`'
+AR='`$ECHO "X$AR" | $Xsed -e "$delay_single_quote_subst"`'
+AR_FLAGS='`$ECHO "X$AR_FLAGS" | $Xsed -e "$delay_single_quote_subst"`'
+STRIP='`$ECHO "X$STRIP" | $Xsed -e "$delay_single_quote_subst"`'
+RANLIB='`$ECHO "X$RANLIB" | $Xsed -e "$delay_single_quote_subst"`'
+old_postinstall_cmds='`$ECHO "X$old_postinstall_cmds" | $Xsed -e "$delay_single_quote_subst"`'
+old_postuninstall_cmds='`$ECHO "X$old_postuninstall_cmds" | $Xsed -e "$delay_single_quote_subst"`'
+old_archive_cmds='`$ECHO "X$old_archive_cmds" | $Xsed -e "$delay_single_quote_subst"`'
+CC='`$ECHO "X$CC" | $Xsed -e "$delay_single_quote_subst"`'
+CFLAGS='`$ECHO "X$CFLAGS" | $Xsed -e "$delay_single_quote_subst"`'
+compiler='`$ECHO "X$compiler" | $Xsed -e "$delay_single_quote_subst"`'
+GCC='`$ECHO "X$GCC" | $Xsed -e "$delay_single_quote_subst"`'
+lt_cv_sys_global_symbol_pipe='`$ECHO "X$lt_cv_sys_global_symbol_pipe" | $Xsed -e "$delay_single_quote_subst"`'
+lt_cv_sys_global_symbol_to_cdecl='`$ECHO "X$lt_cv_sys_global_symbol_to_cdecl" | $Xsed -e "$delay_single_quote_subst"`'
+lt_cv_sys_global_symbol_to_c_name_address='`$ECHO "X$lt_cv_sys_global_symbol_to_c_name_address" | $Xsed -e "$delay_single_quote_subst"`'
+lt_cv_sys_global_symbol_to_c_name_address_lib_prefix='`$ECHO "X$lt_cv_sys_global_symbol_to_c_name_address_lib_prefix" | $Xsed -e "$delay_single_quote_subst"`'
+objdir='`$ECHO "X$objdir" | $Xsed -e "$delay_single_quote_subst"`'
+SHELL='`$ECHO "X$SHELL" | $Xsed -e "$delay_single_quote_subst"`'
+ECHO='`$ECHO "X$ECHO" | $Xsed -e "$delay_single_quote_subst"`'
+MAGIC_CMD='`$ECHO "X$MAGIC_CMD" | $Xsed -e "$delay_single_quote_subst"`'
+lt_prog_compiler_no_builtin_flag='`$ECHO "X$lt_prog_compiler_no_builtin_flag" | $Xsed -e "$delay_single_quote_subst"`'
+lt_prog_compiler_wl='`$ECHO "X$lt_prog_compiler_wl" | $Xsed -e "$delay_single_quote_subst"`'
+lt_prog_compiler_pic='`$ECHO "X$lt_prog_compiler_pic" | $Xsed -e "$delay_single_quote_subst"`'
+lt_prog_compiler_static='`$ECHO "X$lt_prog_compiler_static" | $Xsed -e "$delay_single_quote_subst"`'
+lt_cv_prog_compiler_c_o='`$ECHO "X$lt_cv_prog_compiler_c_o" | $Xsed -e "$delay_single_quote_subst"`'
+need_locks='`$ECHO "X$need_locks" | $Xsed -e "$delay_single_quote_subst"`'
+DSYMUTIL='`$ECHO "X$DSYMUTIL" | $Xsed -e "$delay_single_quote_subst"`'
+NMEDIT='`$ECHO "X$NMEDIT" | $Xsed -e "$delay_single_quote_subst"`'
+LIPO='`$ECHO "X$LIPO" | $Xsed -e "$delay_single_quote_subst"`'
+OTOOL='`$ECHO "X$OTOOL" | $Xsed -e "$delay_single_quote_subst"`'
+OTOOL64='`$ECHO "X$OTOOL64" | $Xsed -e "$delay_single_quote_subst"`'
+libext='`$ECHO "X$libext" | $Xsed -e "$delay_single_quote_subst"`'
+shrext_cmds='`$ECHO "X$shrext_cmds" | $Xsed -e "$delay_single_quote_subst"`'
+extract_expsyms_cmds='`$ECHO "X$extract_expsyms_cmds" | $Xsed -e "$delay_single_quote_subst"`'
+archive_cmds_need_lc='`$ECHO "X$archive_cmds_need_lc" | $Xsed -e "$delay_single_quote_subst"`'
+enable_shared_with_static_runtimes='`$ECHO "X$enable_shared_with_static_runtimes" | $Xsed -e "$delay_single_quote_subst"`'
+export_dynamic_flag_spec='`$ECHO "X$export_dynamic_flag_spec" | $Xsed -e "$delay_single_quote_subst"`'
+whole_archive_flag_spec='`$ECHO "X$whole_archive_flag_spec" | $Xsed -e "$delay_single_quote_subst"`'
+compiler_needs_object='`$ECHO "X$compiler_needs_object" | $Xsed -e "$delay_single_quote_subst"`'
+old_archive_from_new_cmds='`$ECHO "X$old_archive_from_new_cmds" | $Xsed -e "$delay_single_quote_subst"`'
+old_archive_from_expsyms_cmds='`$ECHO "X$old_archive_from_expsyms_cmds" | $Xsed -e "$delay_single_quote_subst"`'
+archive_cmds='`$ECHO "X$archive_cmds" | $Xsed -e "$delay_single_quote_subst"`'
+archive_expsym_cmds='`$ECHO "X$archive_expsym_cmds" | $Xsed -e "$delay_single_quote_subst"`'
+module_cmds='`$ECHO "X$module_cmds" | $Xsed -e "$delay_single_quote_subst"`'
+module_expsym_cmds='`$ECHO "X$module_expsym_cmds" | $Xsed -e "$delay_single_quote_subst"`'
+with_gnu_ld='`$ECHO "X$with_gnu_ld" | $Xsed -e "$delay_single_quote_subst"`'
+allow_undefined_flag='`$ECHO "X$allow_undefined_flag" | $Xsed -e "$delay_single_quote_subst"`'
+no_undefined_flag='`$ECHO "X$no_undefined_flag" | $Xsed -e "$delay_single_quote_subst"`'
+hardcode_libdir_flag_spec='`$ECHO "X$hardcode_libdir_flag_spec" | $Xsed -e "$delay_single_quote_subst"`'
+hardcode_libdir_flag_spec_ld='`$ECHO "X$hardcode_libdir_flag_spec_ld" | $Xsed -e "$delay_single_quote_subst"`'
+hardcode_libdir_separator='`$ECHO "X$hardcode_libdir_separator" | $Xsed -e "$delay_single_quote_subst"`'
+hardcode_direct='`$ECHO "X$hardcode_direct" | $Xsed -e "$delay_single_quote_subst"`'
+hardcode_direct_absolute='`$ECHO "X$hardcode_direct_absolute" | $Xsed -e "$delay_single_quote_subst"`'
+hardcode_minus_L='`$ECHO "X$hardcode_minus_L" | $Xsed -e "$delay_single_quote_subst"`'
+hardcode_shlibpath_var='`$ECHO "X$hardcode_shlibpath_var" | $Xsed -e "$delay_single_quote_subst"`'
+hardcode_automatic='`$ECHO "X$hardcode_automatic" | $Xsed -e "$delay_single_quote_subst"`'
+inherit_rpath='`$ECHO "X$inherit_rpath" | $Xsed -e "$delay_single_quote_subst"`'
+link_all_deplibs='`$ECHO "X$link_all_deplibs" | $Xsed -e "$delay_single_quote_subst"`'
+fix_srcfile_path='`$ECHO "X$fix_srcfile_path" | $Xsed -e "$delay_single_quote_subst"`'
+always_export_symbols='`$ECHO "X$always_export_symbols" | $Xsed -e "$delay_single_quote_subst"`'
+export_symbols_cmds='`$ECHO "X$export_symbols_cmds" | $Xsed -e "$delay_single_quote_subst"`'
+exclude_expsyms='`$ECHO "X$exclude_expsyms" | $Xsed -e "$delay_single_quote_subst"`'
+include_expsyms='`$ECHO "X$include_expsyms" | $Xsed -e "$delay_single_quote_subst"`'
+prelink_cmds='`$ECHO "X$prelink_cmds" | $Xsed -e "$delay_single_quote_subst"`'
+file_list_spec='`$ECHO "X$file_list_spec" | $Xsed -e "$delay_single_quote_subst"`'
+variables_saved_for_relink='`$ECHO "X$variables_saved_for_relink" | $Xsed -e "$delay_single_quote_subst"`'
+need_lib_prefix='`$ECHO "X$need_lib_prefix" | $Xsed -e "$delay_single_quote_subst"`'
+need_version='`$ECHO "X$need_version" | $Xsed -e "$delay_single_quote_subst"`'
+version_type='`$ECHO "X$version_type" | $Xsed -e "$delay_single_quote_subst"`'
+runpath_var='`$ECHO "X$runpath_var" | $Xsed -e "$delay_single_quote_subst"`'
+shlibpath_var='`$ECHO "X$shlibpath_var" | $Xsed -e "$delay_single_quote_subst"`'
+shlibpath_overrides_runpath='`$ECHO "X$shlibpath_overrides_runpath" | $Xsed -e "$delay_single_quote_subst"`'
+libname_spec='`$ECHO "X$libname_spec" | $Xsed -e "$delay_single_quote_subst"`'
+library_names_spec='`$ECHO "X$library_names_spec" | $Xsed -e "$delay_single_quote_subst"`'
+soname_spec='`$ECHO "X$soname_spec" | $Xsed -e "$delay_single_quote_subst"`'
+postinstall_cmds='`$ECHO "X$postinstall_cmds" | $Xsed -e "$delay_single_quote_subst"`'
+postuninstall_cmds='`$ECHO "X$postuninstall_cmds" | $Xsed -e "$delay_single_quote_subst"`'
+finish_cmds='`$ECHO "X$finish_cmds" | $Xsed -e "$delay_single_quote_subst"`'
+finish_eval='`$ECHO "X$finish_eval" | $Xsed -e "$delay_single_quote_subst"`'
+hardcode_into_libs='`$ECHO "X$hardcode_into_libs" | $Xsed -e "$delay_single_quote_subst"`'
+sys_lib_search_path_spec='`$ECHO "X$sys_lib_search_path_spec" | $Xsed -e "$delay_single_quote_subst"`'
+sys_lib_dlsearch_path_spec='`$ECHO "X$sys_lib_dlsearch_path_spec" | $Xsed -e "$delay_single_quote_subst"`'
+hardcode_action='`$ECHO "X$hardcode_action" | $Xsed -e "$delay_single_quote_subst"`'
+enable_dlopen='`$ECHO "X$enable_dlopen" | $Xsed -e "$delay_single_quote_subst"`'
+enable_dlopen_self='`$ECHO "X$enable_dlopen_self" | $Xsed -e "$delay_single_quote_subst"`'
+enable_dlopen_self_static='`$ECHO "X$enable_dlopen_self_static" | $Xsed -e "$delay_single_quote_subst"`'
+old_striplib='`$ECHO "X$old_striplib" | $Xsed -e "$delay_single_quote_subst"`'
+striplib='`$ECHO "X$striplib" | $Xsed -e "$delay_single_quote_subst"`'
+compiler_lib_search_dirs='`$ECHO "X$compiler_lib_search_dirs" | $Xsed -e "$delay_single_quote_subst"`'
+predep_objects='`$ECHO "X$predep_objects" | $Xsed -e "$delay_single_quote_subst"`'
+postdep_objects='`$ECHO "X$postdep_objects" | $Xsed -e "$delay_single_quote_subst"`'
+predeps='`$ECHO "X$predeps" | $Xsed -e "$delay_single_quote_subst"`'
+postdeps='`$ECHO "X$postdeps" | $Xsed -e "$delay_single_quote_subst"`'
+compiler_lib_search_path='`$ECHO "X$compiler_lib_search_path" | $Xsed -e "$delay_single_quote_subst"`'
+LD_F77='`$ECHO "X$LD_F77" | $Xsed -e "$delay_single_quote_subst"`'
+LD_FC='`$ECHO "X$LD_FC" | $Xsed -e "$delay_single_quote_subst"`'
+old_archive_cmds_F77='`$ECHO "X$old_archive_cmds_F77" | $Xsed -e "$delay_single_quote_subst"`'
+old_archive_cmds_FC='`$ECHO "X$old_archive_cmds_FC" | $Xsed -e "$delay_single_quote_subst"`'
+compiler_F77='`$ECHO "X$compiler_F77" | $Xsed -e "$delay_single_quote_subst"`'
+compiler_FC='`$ECHO "X$compiler_FC" | $Xsed -e "$delay_single_quote_subst"`'
+GCC_F77='`$ECHO "X$GCC_F77" | $Xsed -e "$delay_single_quote_subst"`'
+GCC_FC='`$ECHO "X$GCC_FC" | $Xsed -e "$delay_single_quote_subst"`'
+lt_prog_compiler_no_builtin_flag_F77='`$ECHO "X$lt_prog_compiler_no_builtin_flag_F77" | $Xsed -e "$delay_single_quote_subst"`'
+lt_prog_compiler_no_builtin_flag_FC='`$ECHO "X$lt_prog_compiler_no_builtin_flag_FC" | $Xsed -e "$delay_single_quote_subst"`'
+lt_prog_compiler_wl_F77='`$ECHO "X$lt_prog_compiler_wl_F77" | $Xsed -e "$delay_single_quote_subst"`'
+lt_prog_compiler_wl_FC='`$ECHO "X$lt_prog_compiler_wl_FC" | $Xsed -e "$delay_single_quote_subst"`'
+lt_prog_compiler_pic_F77='`$ECHO "X$lt_prog_compiler_pic_F77" | $Xsed -e "$delay_single_quote_subst"`'
+lt_prog_compiler_pic_FC='`$ECHO "X$lt_prog_compiler_pic_FC" | $Xsed -e "$delay_single_quote_subst"`'
+lt_prog_compiler_static_F77='`$ECHO "X$lt_prog_compiler_static_F77" | $Xsed -e "$delay_single_quote_subst"`'
+lt_prog_compiler_static_FC='`$ECHO "X$lt_prog_compiler_static_FC" | $Xsed -e "$delay_single_quote_subst"`'
+lt_cv_prog_compiler_c_o_F77='`$ECHO "X$lt_cv_prog_compiler_c_o_F77" | $Xsed -e "$delay_single_quote_subst"`'
+lt_cv_prog_compiler_c_o_FC='`$ECHO "X$lt_cv_prog_compiler_c_o_FC" | $Xsed -e "$delay_single_quote_subst"`'
+archive_cmds_need_lc_F77='`$ECHO "X$archive_cmds_need_lc_F77" | $Xsed -e "$delay_single_quote_subst"`'
+archive_cmds_need_lc_FC='`$ECHO "X$archive_cmds_need_lc_FC" | $Xsed -e "$delay_single_quote_subst"`'
+enable_shared_with_static_runtimes_F77='`$ECHO "X$enable_shared_with_static_runtimes_F77" | $Xsed -e "$delay_single_quote_subst"`'
+enable_shared_with_static_runtimes_FC='`$ECHO "X$enable_shared_with_static_runtimes_FC" | $Xsed -e "$delay_single_quote_subst"`'
+export_dynamic_flag_spec_F77='`$ECHO "X$export_dynamic_flag_spec_F77" | $Xsed -e "$delay_single_quote_subst"`'
+export_dynamic_flag_spec_FC='`$ECHO "X$export_dynamic_flag_spec_FC" | $Xsed -e "$delay_single_quote_subst"`'
+whole_archive_flag_spec_F77='`$ECHO "X$whole_archive_flag_spec_F77" | $Xsed -e "$delay_single_quote_subst"`'
+whole_archive_flag_spec_FC='`$ECHO "X$whole_archive_flag_spec_FC" | $Xsed -e "$delay_single_quote_subst"`'
+compiler_needs_object_F77='`$ECHO "X$compiler_needs_object_F77" | $Xsed -e "$delay_single_quote_subst"`'
+compiler_needs_object_FC='`$ECHO "X$compiler_needs_object_FC" | $Xsed -e "$delay_single_quote_subst"`'
+old_archive_from_new_cmds_F77='`$ECHO "X$old_archive_from_new_cmds_F77" | $Xsed -e "$delay_single_quote_subst"`'
+old_archive_from_new_cmds_FC='`$ECHO "X$old_archive_from_new_cmds_FC" | $Xsed -e "$delay_single_quote_subst"`'
+old_archive_from_expsyms_cmds_F77='`$ECHO "X$old_archive_from_expsyms_cmds_F77" | $Xsed -e "$delay_single_quote_subst"`'
+old_archive_from_expsyms_cmds_FC='`$ECHO "X$old_archive_from_expsyms_cmds_FC" | $Xsed -e "$delay_single_quote_subst"`'
+archive_cmds_F77='`$ECHO "X$archive_cmds_F77" | $Xsed -e "$delay_single_quote_subst"`'
+archive_cmds_FC='`$ECHO "X$archive_cmds_FC" | $Xsed -e "$delay_single_quote_subst"`'
+archive_expsym_cmds_F77='`$ECHO "X$archive_expsym_cmds_F77" | $Xsed -e "$delay_single_quote_subst"`'
+archive_expsym_cmds_FC='`$ECHO "X$archive_expsym_cmds_FC" | $Xsed -e "$delay_single_quote_subst"`'
+module_cmds_F77='`$ECHO "X$module_cmds_F77" | $Xsed -e "$delay_single_quote_subst"`'
+module_cmds_FC='`$ECHO "X$module_cmds_FC" | $Xsed -e "$delay_single_quote_subst"`'
+module_expsym_cmds_F77='`$ECHO "X$module_expsym_cmds_F77" | $Xsed -e "$delay_single_quote_subst"`'
+module_expsym_cmds_FC='`$ECHO "X$module_expsym_cmds_FC" | $Xsed -e "$delay_single_quote_subst"`'
+with_gnu_ld_F77='`$ECHO "X$with_gnu_ld_F77" | $Xsed -e "$delay_single_quote_subst"`'
+with_gnu_ld_FC='`$ECHO "X$with_gnu_ld_FC" | $Xsed -e "$delay_single_quote_subst"`'
+allow_undefined_flag_F77='`$ECHO "X$allow_undefined_flag_F77" | $Xsed -e "$delay_single_quote_subst"`'
+allow_undefined_flag_FC='`$ECHO "X$allow_undefined_flag_FC" | $Xsed -e "$delay_single_quote_subst"`'
+no_undefined_flag_F77='`$ECHO "X$no_undefined_flag_F77" | $Xsed -e "$delay_single_quote_subst"`'
+no_undefined_flag_FC='`$ECHO "X$no_undefined_flag_FC" | $Xsed -e "$delay_single_quote_subst"`'
+hardcode_libdir_flag_spec_F77='`$ECHO "X$hardcode_libdir_flag_spec_F77" | $Xsed -e "$delay_single_quote_subst"`'
+hardcode_libdir_flag_spec_FC='`$ECHO "X$hardcode_libdir_flag_spec_FC" | $Xsed -e "$delay_single_quote_subst"`'
+hardcode_libdir_flag_spec_ld_F77='`$ECHO "X$hardcode_libdir_flag_spec_ld_F77" | $Xsed -e "$delay_single_quote_subst"`'
+hardcode_libdir_flag_spec_ld_FC='`$ECHO "X$hardcode_libdir_flag_spec_ld_FC" | $Xsed -e "$delay_single_quote_subst"`'
+hardcode_libdir_separator_F77='`$ECHO "X$hardcode_libdir_separator_F77" | $Xsed -e "$delay_single_quote_subst"`'
+hardcode_libdir_separator_FC='`$ECHO "X$hardcode_libdir_separator_FC" | $Xsed -e "$delay_single_quote_subst"`'
+hardcode_direct_F77='`$ECHO "X$hardcode_direct_F77" | $Xsed -e "$delay_single_quote_subst"`'
+hardcode_direct_FC='`$ECHO "X$hardcode_direct_FC" | $Xsed -e "$delay_single_quote_subst"`'
+hardcode_direct_absolute_F77='`$ECHO "X$hardcode_direct_absolute_F77" | $Xsed -e "$delay_single_quote_subst"`'
+hardcode_direct_absolute_FC='`$ECHO "X$hardcode_direct_absolute_FC" | $Xsed -e "$delay_single_quote_subst"`'
+hardcode_minus_L_F77='`$ECHO "X$hardcode_minus_L_F77" | $Xsed -e "$delay_single_quote_subst"`'
+hardcode_minus_L_FC='`$ECHO "X$hardcode_minus_L_FC" | $Xsed -e "$delay_single_quote_subst"`'
+hardcode_shlibpath_var_F77='`$ECHO "X$hardcode_shlibpath_var_F77" | $Xsed -e "$delay_single_quote_subst"`'
+hardcode_shlibpath_var_FC='`$ECHO "X$hardcode_shlibpath_var_FC" | $Xsed -e "$delay_single_quote_subst"`'
+hardcode_automatic_F77='`$ECHO "X$hardcode_automatic_F77" | $Xsed -e "$delay_single_quote_subst"`'
+hardcode_automatic_FC='`$ECHO "X$hardcode_automatic_FC" | $Xsed -e "$delay_single_quote_subst"`'
+inherit_rpath_F77='`$ECHO "X$inherit_rpath_F77" | $Xsed -e "$delay_single_quote_subst"`'
+inherit_rpath_FC='`$ECHO "X$inherit_rpath_FC" | $Xsed -e "$delay_single_quote_subst"`'
+link_all_deplibs_F77='`$ECHO "X$link_all_deplibs_F77" | $Xsed -e "$delay_single_quote_subst"`'
+link_all_deplibs_FC='`$ECHO "X$link_all_deplibs_FC" | $Xsed -e "$delay_single_quote_subst"`'
+fix_srcfile_path_F77='`$ECHO "X$fix_srcfile_path_F77" | $Xsed -e "$delay_single_quote_subst"`'
+fix_srcfile_path_FC='`$ECHO "X$fix_srcfile_path_FC" | $Xsed -e "$delay_single_quote_subst"`'
+always_export_symbols_F77='`$ECHO "X$always_export_symbols_F77" | $Xsed -e "$delay_single_quote_subst"`'
+always_export_symbols_FC='`$ECHO "X$always_export_symbols_FC" | $Xsed -e "$delay_single_quote_subst"`'
+export_symbols_cmds_F77='`$ECHO "X$export_symbols_cmds_F77" | $Xsed -e "$delay_single_quote_subst"`'
+export_symbols_cmds_FC='`$ECHO "X$export_symbols_cmds_FC" | $Xsed -e "$delay_single_quote_subst"`'
+exclude_expsyms_F77='`$ECHO "X$exclude_expsyms_F77" | $Xsed -e "$delay_single_quote_subst"`'
+exclude_expsyms_FC='`$ECHO "X$exclude_expsyms_FC" | $Xsed -e "$delay_single_quote_subst"`'
+include_expsyms_F77='`$ECHO "X$include_expsyms_F77" | $Xsed -e "$delay_single_quote_subst"`'
+include_expsyms_FC='`$ECHO "X$include_expsyms_FC" | $Xsed -e "$delay_single_quote_subst"`'
+prelink_cmds_F77='`$ECHO "X$prelink_cmds_F77" | $Xsed -e "$delay_single_quote_subst"`'
+prelink_cmds_FC='`$ECHO "X$prelink_cmds_FC" | $Xsed -e "$delay_single_quote_subst"`'
+file_list_spec_F77='`$ECHO "X$file_list_spec_F77" | $Xsed -e "$delay_single_quote_subst"`'
+file_list_spec_FC='`$ECHO "X$file_list_spec_FC" | $Xsed -e "$delay_single_quote_subst"`'
+hardcode_action_F77='`$ECHO "X$hardcode_action_F77" | $Xsed -e "$delay_single_quote_subst"`'
+hardcode_action_FC='`$ECHO "X$hardcode_action_FC" | $Xsed -e "$delay_single_quote_subst"`'
+compiler_lib_search_dirs_F77='`$ECHO "X$compiler_lib_search_dirs_F77" | $Xsed -e "$delay_single_quote_subst"`'
+compiler_lib_search_dirs_FC='`$ECHO "X$compiler_lib_search_dirs_FC" | $Xsed -e "$delay_single_quote_subst"`'
+predep_objects_F77='`$ECHO "X$predep_objects_F77" | $Xsed -e "$delay_single_quote_subst"`'
+predep_objects_FC='`$ECHO "X$predep_objects_FC" | $Xsed -e "$delay_single_quote_subst"`'
+postdep_objects_F77='`$ECHO "X$postdep_objects_F77" | $Xsed -e "$delay_single_quote_subst"`'
+postdep_objects_FC='`$ECHO "X$postdep_objects_FC" | $Xsed -e "$delay_single_quote_subst"`'
+predeps_F77='`$ECHO "X$predeps_F77" | $Xsed -e "$delay_single_quote_subst"`'
+predeps_FC='`$ECHO "X$predeps_FC" | $Xsed -e "$delay_single_quote_subst"`'
+postdeps_F77='`$ECHO "X$postdeps_F77" | $Xsed -e "$delay_single_quote_subst"`'
+postdeps_FC='`$ECHO "X$postdeps_FC" | $Xsed -e "$delay_single_quote_subst"`'
+compiler_lib_search_path_F77='`$ECHO "X$compiler_lib_search_path_F77" | $Xsed -e "$delay_single_quote_subst"`'
+compiler_lib_search_path_FC='`$ECHO "X$compiler_lib_search_path_FC" | $Xsed -e "$delay_single_quote_subst"`'
+
+LTCC='$LTCC'
+LTCFLAGS='$LTCFLAGS'
+compiler='$compiler_DEFAULT'
+
+# Quote evaled strings.
+for var in SED \
+GREP \
+EGREP \
+FGREP \
+LD \
+NM \
+LN_S \
+lt_SP2NL \
+lt_NL2SP \
+reload_flag \
+deplibs_check_method \
+file_magic_cmd \
+AR \
+AR_FLAGS \
+STRIP \
+RANLIB \
+CC \
+CFLAGS \
+compiler \
+lt_cv_sys_global_symbol_pipe \
+lt_cv_sys_global_symbol_to_cdecl \
+lt_cv_sys_global_symbol_to_c_name_address \
+lt_cv_sys_global_symbol_to_c_name_address_lib_prefix \
+SHELL \
+ECHO \
+lt_prog_compiler_no_builtin_flag \
+lt_prog_compiler_wl \
+lt_prog_compiler_pic \
+lt_prog_compiler_static \
+lt_cv_prog_compiler_c_o \
+need_locks \
+DSYMUTIL \
+NMEDIT \
+LIPO \
+OTOOL \
+OTOOL64 \
+shrext_cmds \
+export_dynamic_flag_spec \
+whole_archive_flag_spec \
+compiler_needs_object \
+with_gnu_ld \
+allow_undefined_flag \
+no_undefined_flag \
+hardcode_libdir_flag_spec \
+hardcode_libdir_flag_spec_ld \
+hardcode_libdir_separator \
+fix_srcfile_path \
+exclude_expsyms \
+include_expsyms \
+file_list_spec \
+variables_saved_for_relink \
+libname_spec \
+library_names_spec \
+soname_spec \
+finish_eval \
+old_striplib \
+striplib \
+compiler_lib_search_dirs \
+predep_objects \
+postdep_objects \
+predeps \
+postdeps \
+compiler_lib_search_path \
+LD_F77 \
+LD_FC \
+compiler_F77 \
+compiler_FC \
+lt_prog_compiler_no_builtin_flag_F77 \
+lt_prog_compiler_no_builtin_flag_FC \
+lt_prog_compiler_wl_F77 \
+lt_prog_compiler_wl_FC \
+lt_prog_compiler_pic_F77 \
+lt_prog_compiler_pic_FC \
+lt_prog_compiler_static_F77 \
+lt_prog_compiler_static_FC \
+lt_cv_prog_compiler_c_o_F77 \
+lt_cv_prog_compiler_c_o_FC \
+export_dynamic_flag_spec_F77 \
+export_dynamic_flag_spec_FC \
+whole_archive_flag_spec_F77 \
+whole_archive_flag_spec_FC \
+compiler_needs_object_F77 \
+compiler_needs_object_FC \
+with_gnu_ld_F77 \
+with_gnu_ld_FC \
+allow_undefined_flag_F77 \
+allow_undefined_flag_FC \
+no_undefined_flag_F77 \
+no_undefined_flag_FC \
+hardcode_libdir_flag_spec_F77 \
+hardcode_libdir_flag_spec_FC \
+hardcode_libdir_flag_spec_ld_F77 \
+hardcode_libdir_flag_spec_ld_FC \
+hardcode_libdir_separator_F77 \
+hardcode_libdir_separator_FC \
+fix_srcfile_path_F77 \
+fix_srcfile_path_FC \
+exclude_expsyms_F77 \
+exclude_expsyms_FC \
+include_expsyms_F77 \
+include_expsyms_FC \
+file_list_spec_F77 \
+file_list_spec_FC \
+compiler_lib_search_dirs_F77 \
+compiler_lib_search_dirs_FC \
+predep_objects_F77 \
+predep_objects_FC \
+postdep_objects_F77 \
+postdep_objects_FC \
+predeps_F77 \
+predeps_FC \
+postdeps_F77 \
+postdeps_FC \
+compiler_lib_search_path_F77 \
+compiler_lib_search_path_FC; do
+    case \`eval \\\\\$ECHO "X\\\\\$\$var"\` in
+    *[\\\\\\\`\\"\\\$]*)
+      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"X\\\$\$var\\" | \\\$Xsed -e \\"\\\$sed_quote_subst\\"\\\`\\\\\\""
+      ;;
+    *)
+      eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
+      ;;
+    esac
+done
+
+# Double-quote double-evaled strings.
+for var in reload_cmds \
+old_postinstall_cmds \
+old_postuninstall_cmds \
+old_archive_cmds \
+extract_expsyms_cmds \
+old_archive_from_new_cmds \
+old_archive_from_expsyms_cmds \
+archive_cmds \
+archive_expsym_cmds \
+module_cmds \
+module_expsym_cmds \
+export_symbols_cmds \
+prelink_cmds \
+postinstall_cmds \
+postuninstall_cmds \
+finish_cmds \
+sys_lib_search_path_spec \
+sys_lib_dlsearch_path_spec \
+old_archive_cmds_F77 \
+old_archive_cmds_FC \
+old_archive_from_new_cmds_F77 \
+old_archive_from_new_cmds_FC \
+old_archive_from_expsyms_cmds_F77 \
+old_archive_from_expsyms_cmds_FC \
+archive_cmds_F77 \
+archive_cmds_FC \
+archive_expsym_cmds_F77 \
+archive_expsym_cmds_FC \
+module_cmds_F77 \
+module_cmds_FC \
+module_expsym_cmds_F77 \
+module_expsym_cmds_FC \
+export_symbols_cmds_F77 \
+export_symbols_cmds_FC \
+prelink_cmds_F77 \
+prelink_cmds_FC; do
+    case \`eval \\\\\$ECHO "X\\\\\$\$var"\` in
+    *[\\\\\\\`\\"\\\$]*)
+      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"X\\\$\$var\\" | \\\$Xsed -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\""
+      ;;
+    *)
+      eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
+      ;;
+    esac
+done
+
+# Fix-up fallback echo if it was mangled by the above quoting rules.
+case \$lt_ECHO in
+*'\\\$0 --fallback-echo"')  lt_ECHO=\`\$ECHO "X\$lt_ECHO" | \$Xsed -e 's/\\\\\\\\\\\\\\\$0 --fallback-echo"\$/\$0 --fallback-echo"/'\`
+  ;;
+esac
+
+ac_aux_dir='$ac_aux_dir'
+xsi_shell='$xsi_shell'
+lt_shell_append='$lt_shell_append'
+
+# See if we are running on zsh, and set the options which allow our
+# commands through without removal of \ escapes INIT.
+if test -n "\${ZSH_VERSION+set}" ; then
+   setopt NO_GLOB_SUBST
+fi
+
+
+    PACKAGE='$PACKAGE'
+    VERSION='$VERSION'
+    TIMESTAMP='$TIMESTAMP'
+    RM='$RM'
+    ofile='$ofile'
+
+
+
+
+
+
+
+
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+
+# Handling of arguments.
+for ac_config_target in $ac_config_targets
+do
+  case $ac_config_target in
+    "config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;;
+    "nfconfig.inc") CONFIG_HEADERS="$CONFIG_HEADERS nfconfig.inc:nfconfig.in" ;;
+    "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;;
+    "libtool") CONFIG_COMMANDS="$CONFIG_COMMANDS libtool" ;;
+    "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
+    "doc/Makefile") CONFIG_FILES="$CONFIG_FILES doc/Makefile" ;;
+    "cfcheck/Makefile") CONFIG_FILES="$CONFIG_FILES cfcheck/Makefile" ;;
+    "src/Makefile") CONFIG_FILES="$CONFIG_FILES src/Makefile" ;;
+    "gridspec_tools_20080702/Makefile") CONFIG_FILES="$CONFIG_FILES gridspec_tools_20080702/Makefile" ;;
+    "gridspec_tools_20080702/shared/Makefile") CONFIG_FILES="$CONFIG_FILES gridspec_tools_20080702/shared/Makefile" ;;
+    "gridspec_tools_20080702/shared/mosaic/Makefile") CONFIG_FILES="$CONFIG_FILES gridspec_tools_20080702/shared/mosaic/Makefile" ;;
+    "gridspec_tools_20080702/tools/Makefile") CONFIG_FILES="$CONFIG_FILES gridspec_tools_20080702/tools/Makefile" ;;
+    "gridspec_tools_20080702/tools/shared/Makefile") CONFIG_FILES="$CONFIG_FILES gridspec_tools_20080702/tools/shared/Makefile" ;;
+    "gridspec_tools_20080702/tools/make_hgrid/Makefile") CONFIG_FILES="$CONFIG_FILES gridspec_tools_20080702/tools/make_hgrid/Makefile" ;;
+    "gridspec_tools_20080702/tools/make_solo_mosaic/Makefile") CONFIG_FILES="$CONFIG_FILES gridspec_tools_20080702/tools/make_solo_mosaic/Makefile" ;;
+    "gridspec_tools_20080702/tools/make_coupler_mosaic/Makefile") CONFIG_FILES="$CONFIG_FILES gridspec_tools_20080702/tools/make_coupler_mosaic/Makefile" ;;
+    "gridspec_tools_20080702/tools/fregrid/Makefile") CONFIG_FILES="$CONFIG_FILES gridspec_tools_20080702/tools/fregrid/Makefile" ;;
+    "gridspec_tools_20080702/tools/make_topog/Makefile") CONFIG_FILES="$CONFIG_FILES gridspec_tools_20080702/tools/make_topog/Makefile" ;;
+    "gridspec_tools_20080702/tools/make_vgrid/Makefile") CONFIG_FILES="$CONFIG_FILES gridspec_tools_20080702/tools/make_vgrid/Makefile" ;;
+    "gridspec_tools_20080702/tools/river_regrid/Makefile") CONFIG_FILES="$CONFIG_FILES gridspec_tools_20080702/tools/river_regrid/Makefile" ;;
+    "gridspec_tools_20080702/tools/transfer_to_mosaic_grid/Makefile") CONFIG_FILES="$CONFIG_FILES gridspec_tools_20080702/tools/transfer_to_mosaic_grid/Makefile" ;;
+
+  *) { { $as_echo "$as_me:$LINENO: error: invalid argument: $ac_config_target" >&5
+$as_echo "$as_me: error: invalid argument: $ac_config_target" >&2;}
+   { (exit 1); exit 1; }; };;
+  esac
+done
+
+
+# If the user did not use the arguments to specify the items to instantiate,
+# then the envvar interface is used.  Set only those that are not.
+# We use the long form for the default assignment because of an extremely
+# bizarre bug on SunOS 4.1.3.
+if $ac_need_defaults; then
+  test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files
+  test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers
+  test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands
+fi
+
+# Have a temporary directory for convenience.  Make it in the build tree
+# simply because there is no reason against having it here, and in addition,
+# creating and moving files from /tmp can sometimes cause problems.
+# Hook for its removal unless debugging.
+# Note that there is a small window in which the directory will not be cleaned:
+# after its creation but before its name has been assigned to `$tmp'.
+$debug ||
+{
+  tmp=
+  trap 'exit_status=$?
+  { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status
+' 0
+  trap '{ (exit 1); exit 1; }' 1 2 13 15
+}
+# Create a (secure) tmp directory for tmp files.
+
+{
+  tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
+  test -n "$tmp" && test -d "$tmp"
+}  ||
+{
+  tmp=./conf$$-$RANDOM
+  (umask 077 && mkdir "$tmp")
+} ||
+{
+   $as_echo "$as_me: cannot create a temporary directory in ." >&2
+   { (exit 1); exit 1; }
+}
+
+# Set up the scripts for CONFIG_FILES section.
+# No need to generate them if there are no CONFIG_FILES.
+# This happens for instance with `./config.status config.h'.
+if test -n "$CONFIG_FILES"; then
+
+
+ac_cr='
'
+ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null`
+if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then
+  ac_cs_awk_cr='\\r'
+else
+  ac_cs_awk_cr=$ac_cr
+fi
+
+echo 'BEGIN {' >"$tmp/subs1.awk" &&
+_ACEOF
+
+
+{
+  echo "cat >conf$$subs.awk <<_ACEOF" &&
+  echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' &&
+  echo "_ACEOF"
+} >conf$$subs.sh ||
+  { { $as_echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
+$as_echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
+   { (exit 1); exit 1; }; }
+ac_delim_num=`echo "$ac_subst_vars" | grep -c '$'`
+ac_delim='%!_!# '
+for ac_last_try in false false false false false :; do
+  . ./conf$$subs.sh ||
+    { { $as_echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
+$as_echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
+   { (exit 1); exit 1; }; }
+
+  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X` = $ac_delim_num; then
+    break
+  elif $ac_last_try; then
+    { { $as_echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
+$as_echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
+   { (exit 1); exit 1; }; }
+  else
+    ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
+  fi
+done
+rm -f conf$$subs.sh
+
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+cat >>"\$tmp/subs1.awk" <<\\_ACAWK &&
+_ACEOF
+sed -n '
+h
+s/^/S["/; s/!.*/"]=/
+p
+g
+s/^[^!]*!//
+:repl
+t repl
+s/'"$ac_delim"'$//
+t delim
+:nl
+h
+s/\(.\{148\}\).*/\1/
+t more1
+s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/
+p
+n
+b repl
+:more1
+s/["\\]/\\&/g; s/^/"/; s/$/"\\/
+p
+g
+s/.\{148\}//
+t nl
+:delim
+h
+s/\(.\{148\}\).*/\1/
+t more2
+s/["\\]/\\&/g; s/^/"/; s/$/"/
+p
+b
+:more2
+s/["\\]/\\&/g; s/^/"/; s/$/"\\/
+p
+g
+s/.\{148\}//
+t delim
+' <conf$$subs.awk | sed '
+/^[^""]/{
+  N
+  s/\n//
+}
+' >>$CONFIG_STATUS || ac_write_fail=1
+rm -f conf$$subs.awk
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+_ACAWK
+cat >>"\$tmp/subs1.awk" <<_ACAWK &&
+  for (key in S) S_is_set[key] = 1
+  FS = ""
+
+}
+{
+  line = $ 0
+  nfields = split(line, field, "@")
+  substed = 0
+  len = length(field[1])
+  for (i = 2; i < nfields; i++) {
+    key = field[i]
+    keylen = length(key)
+    if (S_is_set[key]) {
+      value = S[key]
+      line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3)
+      len += length(value) + length(field[++i])
+      substed = 1
+    } else
+      len += 1 + keylen
+  }
+
+  print line
+}
+
+_ACAWK
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
+  sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
+else
+  cat
+fi < "$tmp/subs1.awk" > "$tmp/subs.awk" \
+  || { { $as_echo "$as_me:$LINENO: error: could not setup config files machinery" >&5
+$as_echo "$as_me: error: could not setup config files machinery" >&2;}
+   { (exit 1); exit 1; }; }
+_ACEOF
+
+# VPATH may cause trouble with some makes, so we remove $(srcdir),
+# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and
+# trailing colons and then remove the whole line if VPATH becomes empty
+# (actually we leave an empty line to preserve line numbers).
+if test "x$srcdir" = x.; then
+  ac_vpsub='/^[	 ]*VPATH[	 ]*=/{
+s/:*\$(srcdir):*/:/
+s/:*\${srcdir}:*/:/
+s/:*@srcdir@:*/:/
+s/^\([^=]*=[	 ]*\):*/\1/
+s/:*$//
+s/^[^=]*=[	 ]*$//
+}'
+fi
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+fi # test -n "$CONFIG_FILES"
+
+# Set up the scripts for CONFIG_HEADERS section.
+# No need to generate them if there are no CONFIG_HEADERS.
+# This happens for instance with `./config.status Makefile'.
+if test -n "$CONFIG_HEADERS"; then
+cat >"$tmp/defines.awk" <<\_ACAWK ||
+BEGIN {
+_ACEOF
+
+# Transform confdefs.h into an awk script `defines.awk', embedded as
+# here-document in config.status, that substitutes the proper values into
+# config.h.in to produce config.h.
+
+# Create a delimiter string that does not exist in confdefs.h, to ease
+# handling of long lines.
+ac_delim='%!_!# '
+for ac_last_try in false false :; do
+  ac_t=`sed -n "/$ac_delim/p" confdefs.h`
+  if test -z "$ac_t"; then
+    break
+  elif $ac_last_try; then
+    { { $as_echo "$as_me:$LINENO: error: could not make $CONFIG_HEADERS" >&5
+$as_echo "$as_me: error: could not make $CONFIG_HEADERS" >&2;}
+   { (exit 1); exit 1; }; }
+  else
+    ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
+  fi
+done
+
+# For the awk script, D is an array of macro values keyed by name,
+# likewise P contains macro parameters if any.  Preserve backslash
+# newline sequences.
+
+ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]*
+sed -n '
+s/.\{148\}/&'"$ac_delim"'/g
+t rset
+:rset
+s/^[	 ]*#[	 ]*define[	 ][	 ]*/ /
+t def
+d
+:def
+s/\\$//
+t bsnl
+s/["\\]/\\&/g
+s/^ \('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/P["\1"]="\2"\
+D["\1"]=" \3"/p
+s/^ \('"$ac_word_re"'\)[	 ]*\(.*\)/D["\1"]=" \2"/p
+d
+:bsnl
+s/["\\]/\\&/g
+s/^ \('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/P["\1"]="\2"\
+D["\1"]=" \3\\\\\\n"\\/p
+t cont
+s/^ \('"$ac_word_re"'\)[	 ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p
+t cont
+d
+:cont
+n
+s/.\{148\}/&'"$ac_delim"'/g
+t clear
+:clear
+s/\\$//
+t bsnlc
+s/["\\]/\\&/g; s/^/"/; s/$/"/p
+d
+:bsnlc
+s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p
+b cont
+' <confdefs.h | sed '
+s/'"$ac_delim"'/"\\\
+"/g' >>$CONFIG_STATUS || ac_write_fail=1
+
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+  for (key in D) D_is_set[key] = 1
+  FS = ""
+}
+/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ {
+  line = \$ 0
+  split(line, arg, " ")
+  if (arg[1] == "#") {
+    defundef = arg[2]
+    mac1 = arg[3]
+  } else {
+    defundef = substr(arg[1], 2)
+    mac1 = arg[2]
+  }
+  split(mac1, mac2, "(") #)
+  macro = mac2[1]
+  if (D_is_set[macro]) {
+    # Preserve the white space surrounding the "#".
+    prefix = substr(line, 1, index(line, defundef) - 1)
+    print prefix "define", macro P[macro] D[macro]
+    next
+  } else {
+    # Replace #undef with comments.  This is necessary, for example,
+    # in the case of _POSIX_SOURCE, which is predefined and required
+    # on some systems where configure will not decide to define it.
+    if (defundef == "undef") {
+      print "/*", line, "*/"
+      next
+    }
+  }
+}
+{ print }
+_ACAWK
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+  { { $as_echo "$as_me:$LINENO: error: could not setup config headers machinery" >&5
+$as_echo "$as_me: error: could not setup config headers machinery" >&2;}
+   { (exit 1); exit 1; }; }
+fi # test -n "$CONFIG_HEADERS"
+
+
+eval set X "  :F $CONFIG_FILES  :H $CONFIG_HEADERS    :C $CONFIG_COMMANDS"
+shift
+for ac_tag
+do
+  case $ac_tag in
+  :[FHLC]) ac_mode=$ac_tag; continue;;
+  esac
+  case $ac_mode$ac_tag in
+  :[FHL]*:*);;
+  :L* | :C*:*) { { $as_echo "$as_me:$LINENO: error: Invalid tag $ac_tag." >&5
+$as_echo "$as_me: error: Invalid tag $ac_tag." >&2;}
+   { (exit 1); exit 1; }; };;
+  :[FH]-) ac_tag=-:-;;
+  :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
+  esac
+  ac_save_IFS=$IFS
+  IFS=:
+  set x $ac_tag
+  IFS=$ac_save_IFS
+  shift
+  ac_file=$1
+  shift
+
+  case $ac_mode in
+  :L) ac_source=$1;;
+  :[FH])
+    ac_file_inputs=
+    for ac_f
+    do
+      case $ac_f in
+      -) ac_f="$tmp/stdin";;
+      *) # Look for the file first in the build tree, then in the source tree
+	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
+	 # because $ac_f cannot contain `:'.
+	 test -f "$ac_f" ||
+	   case $ac_f in
+	   [\\/$]*) false;;
+	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
+	   esac ||
+	   { { $as_echo "$as_me:$LINENO: error: cannot find input file: $ac_f" >&5
+$as_echo "$as_me: error: cannot find input file: $ac_f" >&2;}
+   { (exit 1); exit 1; }; };;
+      esac
+      case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
+      ac_file_inputs="$ac_file_inputs '$ac_f'"
+    done
+
+    # Let's still pretend it is `configure' which instantiates (i.e., don't
+    # use $as_me), people would be surprised to read:
+    #    /* config.h.  Generated by config.status.  */
+    configure_input='Generated from '`
+	  $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
+	`' by configure.'
+    if test x"$ac_file" != x-; then
+      configure_input="$ac_file.  $configure_input"
+      { $as_echo "$as_me:$LINENO: creating $ac_file" >&5
+$as_echo "$as_me: creating $ac_file" >&6;}
+    fi
+    # Neutralize special characters interpreted by sed in replacement strings.
+    case $configure_input in #(
+    *\&* | *\|* | *\\* )
+       ac_sed_conf_input=`$as_echo "$configure_input" |
+       sed 's/[\\\\&|]/\\\\&/g'`;; #(
+    *) ac_sed_conf_input=$configure_input;;
+    esac
+
+    case $ac_tag in
+    *:-:* | *:-) cat >"$tmp/stdin" \
+      || { { $as_echo "$as_me:$LINENO: error: could not create $ac_file" >&5
+$as_echo "$as_me: error: could not create $ac_file" >&2;}
+   { (exit 1); exit 1; }; } ;;
+    esac
+    ;;
+  esac
+
+  ac_dir=`$as_dirname -- "$ac_file" ||
+$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$ac_file" : 'X\(//\)[^/]' \| \
+	 X"$ac_file" : 'X\(//\)$' \| \
+	 X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$ac_file" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+  { as_dir="$ac_dir"
+  case $as_dir in #(
+  -*) as_dir=./$as_dir;;
+  esac
+  test -d "$as_dir" || { $as_mkdir_p && mkdir -p "$as_dir"; } || {
+    as_dirs=
+    while :; do
+      case $as_dir in #(
+      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *) as_qdir=$as_dir;;
+      esac
+      as_dirs="'$as_qdir' $as_dirs"
+      as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_dir" : 'X\(//\)[^/]' \| \
+	 X"$as_dir" : 'X\(//\)$' \| \
+	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$as_dir" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      test -d "$as_dir" && break
+    done
+    test -z "$as_dirs" || eval "mkdir $as_dirs"
+  } || test -d "$as_dir" || { { $as_echo "$as_me:$LINENO: error: cannot create directory $as_dir" >&5
+$as_echo "$as_me: error: cannot create directory $as_dir" >&2;}
+   { (exit 1); exit 1; }; }; }
+  ac_builddir=.
+
+case "$ac_dir" in
+.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
+*)
+  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
+  # A ".." for each directory in $ac_dir_suffix.
+  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  case $ac_top_builddir_sub in
+  "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
+  *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
+  esac ;;
+esac
+ac_abs_top_builddir=$ac_pwd
+ac_abs_builddir=$ac_pwd$ac_dir_suffix
+# for backward compatibility:
+ac_top_builddir=$ac_top_build_prefix
+
+case $srcdir in
+  .)  # We are building in place.
+    ac_srcdir=.
+    ac_top_srcdir=$ac_top_builddir_sub
+    ac_abs_top_srcdir=$ac_pwd ;;
+  [\\/]* | ?:[\\/]* )  # Absolute name.
+    ac_srcdir=$srcdir$ac_dir_suffix;
+    ac_top_srcdir=$srcdir
+    ac_abs_top_srcdir=$srcdir ;;
+  *) # Relative name.
+    ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix
+    ac_top_srcdir=$ac_top_build_prefix$srcdir
+    ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
+esac
+ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
+
+
+  case $ac_mode in
+  :F)
+  #
+  # CONFIG_FILE
+  #
+
+  case $INSTALL in
+  [\\/$]* | ?:[\\/]* ) ac_INSTALL=$INSTALL ;;
+  *) ac_INSTALL=$ac_top_build_prefix$INSTALL ;;
+  esac
+  ac_MKDIR_P=$MKDIR_P
+  case $MKDIR_P in
+  [\\/$]* | ?:[\\/]* ) ;;
+  */*) ac_MKDIR_P=$ac_top_build_prefix$MKDIR_P ;;
+  esac
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# If the template does not know about datarootdir, expand it.
+# FIXME: This hack should be removed a few years after 2.60.
+ac_datarootdir_hack=; ac_datarootdir_seen=
+
+ac_sed_dataroot='
+/datarootdir/ {
+  p
+  q
+}
+/@datadir@/p
+/@docdir@/p
+/@infodir@/p
+/@localedir@/p
+/@mandir@/p
+'
+case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in
+*datarootdir*) ac_datarootdir_seen=yes;;
+*@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*)
+  { $as_echo "$as_me:$LINENO: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
+$as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+  ac_datarootdir_hack='
+  s&@datadir@&$datadir&g
+  s&@docdir@&$docdir&g
+  s&@infodir@&$infodir&g
+  s&@localedir@&$localedir&g
+  s&@mandir@&$mandir&g
+    s&\\\${datarootdir}&$datarootdir&g' ;;
+esac
+_ACEOF
+
+# Neutralize VPATH when `$srcdir' = `.'.
+# Shell code in configure.ac might set extrasub.
+# FIXME: do we really want to maintain this feature?
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ac_sed_extra="$ac_vpsub
+$extrasub
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+:t
+/@[a-zA-Z_][a-zA-Z_0-9]*@/!b
+s|@configure_input@|$ac_sed_conf_input|;t t
+s&@top_builddir@&$ac_top_builddir_sub&;t t
+s&@top_build_prefix@&$ac_top_build_prefix&;t t
+s&@srcdir@&$ac_srcdir&;t t
+s&@abs_srcdir@&$ac_abs_srcdir&;t t
+s&@top_srcdir@&$ac_top_srcdir&;t t
+s&@abs_top_srcdir@&$ac_abs_top_srcdir&;t t
+s&@builddir@&$ac_builddir&;t t
+s&@abs_builddir@&$ac_abs_builddir&;t t
+s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
+s&@INSTALL@&$ac_INSTALL&;t t
+s&@MKDIR_P@&$ac_MKDIR_P&;t t
+$ac_datarootdir_hack
+"
+eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$tmp/subs.awk" >$tmp/out \
+  || { { $as_echo "$as_me:$LINENO: error: could not create $ac_file" >&5
+$as_echo "$as_me: error: could not create $ac_file" >&2;}
+   { (exit 1); exit 1; }; }
+
+test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
+  { ac_out=`sed -n '/\${datarootdir}/p' "$tmp/out"`; test -n "$ac_out"; } &&
+  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' "$tmp/out"`; test -z "$ac_out"; } &&
+  { $as_echo "$as_me:$LINENO: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+which seems to be undefined.  Please make sure it is defined." >&5
+$as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+which seems to be undefined.  Please make sure it is defined." >&2;}
+
+  rm -f "$tmp/stdin"
+  case $ac_file in
+  -) cat "$tmp/out" && rm -f "$tmp/out";;
+  *) rm -f "$ac_file" && mv "$tmp/out" "$ac_file";;
+  esac \
+  || { { $as_echo "$as_me:$LINENO: error: could not create $ac_file" >&5
+$as_echo "$as_me: error: could not create $ac_file" >&2;}
+   { (exit 1); exit 1; }; }
+ ;;
+  :H)
+  #
+  # CONFIG_HEADER
+  #
+  if test x"$ac_file" != x-; then
+    {
+      $as_echo "/* $configure_input  */" \
+      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs"
+    } >"$tmp/config.h" \
+      || { { $as_echo "$as_me:$LINENO: error: could not create $ac_file" >&5
+$as_echo "$as_me: error: could not create $ac_file" >&2;}
+   { (exit 1); exit 1; }; }
+    if diff "$ac_file" "$tmp/config.h" >/dev/null 2>&1; then
+      { $as_echo "$as_me:$LINENO: $ac_file is unchanged" >&5
+$as_echo "$as_me: $ac_file is unchanged" >&6;}
+    else
+      rm -f "$ac_file"
+      mv "$tmp/config.h" "$ac_file" \
+	|| { { $as_echo "$as_me:$LINENO: error: could not create $ac_file" >&5
+$as_echo "$as_me: error: could not create $ac_file" >&2;}
+   { (exit 1); exit 1; }; }
+    fi
+  else
+    $as_echo "/* $configure_input  */" \
+      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs" \
+      || { { $as_echo "$as_me:$LINENO: error: could not create -" >&5
+$as_echo "$as_me: error: could not create -" >&2;}
+   { (exit 1); exit 1; }; }
+  fi
+# Compute "$ac_file"'s index in $config_headers.
+_am_arg="$ac_file"
+_am_stamp_count=1
+for _am_header in $config_headers :; do
+  case $_am_header in
+    $_am_arg | $_am_arg:* )
+      break ;;
+    * )
+      _am_stamp_count=`expr $_am_stamp_count + 1` ;;
+  esac
+done
+echo "timestamp for $_am_arg" >`$as_dirname -- "$_am_arg" ||
+$as_expr X"$_am_arg" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$_am_arg" : 'X\(//\)[^/]' \| \
+	 X"$_am_arg" : 'X\(//\)$' \| \
+	 X"$_am_arg" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$_am_arg" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`/stamp-h$_am_stamp_count
+ ;;
+
+  :C)  { $as_echo "$as_me:$LINENO: executing $ac_file commands" >&5
+$as_echo "$as_me: executing $ac_file commands" >&6;}
+ ;;
+  esac
+
+
+  case $ac_file$ac_mode in
+    "nfconfig.inc":H) sed '1d;s%^/\* \(.*\) \*/%\1%' nfconfig.inc >conftest.tmp && mv conftest.tmp nfconfig.inc ;;
+    "depfiles":C) test x"$AMDEP_TRUE" != x"" || for mf in $CONFIG_FILES; do
+  # Strip MF so we end up with the name of the file.
+  mf=`echo "$mf" | sed -e 's/:.*$//'`
+  # Check whether this is an Automake generated Makefile or not.
+  # We used to match only the files named `Makefile.in', but
+  # some people rename them; so instead we look at the file content.
+  # Grep'ing the first line is not enough: some people post-process
+  # each Makefile.in and add a new line on top of each file to say so.
+  # Grep'ing the whole file is not good either: AIX grep has a line
+  # limit of 2048, but all sed's we know have understand at least 4000.
+  if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
+    dirpart=`$as_dirname -- "$mf" ||
+$as_expr X"$mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$mf" : 'X\(//\)[^/]' \| \
+	 X"$mf" : 'X\(//\)$' \| \
+	 X"$mf" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$mf" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+  else
+    continue
+  fi
+  # Extract the definition of DEPDIR, am__include, and am__quote
+  # from the Makefile without running `make'.
+  DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
+  test -z "$DEPDIR" && continue
+  am__include=`sed -n 's/^am__include = //p' < "$mf"`
+  test -z "am__include" && continue
+  am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
+  # When using ansi2knr, U may be empty or an underscore; expand it
+  U=`sed -n 's/^U = //p' < "$mf"`
+  # Find all dependency output files, they are included files with
+  # $(DEPDIR) in their names.  We invoke sed twice because it is the
+  # simplest approach to changing $(DEPDIR) to its actual value in the
+  # expansion.
+  for file in `sed -n "
+    s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
+       sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
+    # Make sure the directory exists.
+    test -f "$dirpart/$file" && continue
+    fdir=`$as_dirname -- "$file" ||
+$as_expr X"$file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$file" : 'X\(//\)[^/]' \| \
+	 X"$file" : 'X\(//\)$' \| \
+	 X"$file" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$file" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+    { as_dir=$dirpart/$fdir
+  case $as_dir in #(
+  -*) as_dir=./$as_dir;;
+  esac
+  test -d "$as_dir" || { $as_mkdir_p && mkdir -p "$as_dir"; } || {
+    as_dirs=
+    while :; do
+      case $as_dir in #(
+      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *) as_qdir=$as_dir;;
+      esac
+      as_dirs="'$as_qdir' $as_dirs"
+      as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_dir" : 'X\(//\)[^/]' \| \
+	 X"$as_dir" : 'X\(//\)$' \| \
+	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$as_dir" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      test -d "$as_dir" && break
+    done
+    test -z "$as_dirs" || eval "mkdir $as_dirs"
+  } || test -d "$as_dir" || { { $as_echo "$as_me:$LINENO: error: cannot create directory $as_dir" >&5
+$as_echo "$as_me: error: cannot create directory $as_dir" >&2;}
+   { (exit 1); exit 1; }; }; }
+    # echo "creating $dirpart/$file"
+    echo '# dummy' > "$dirpart/$file"
+  done
+done
+ ;;
+    "libtool":C)
+
+    # See if we are running on zsh, and set the options which allow our
+    # commands through without removal of \ escapes.
+    if test -n "${ZSH_VERSION+set}" ; then
+      setopt NO_GLOB_SUBST
+    fi
+
+    cfgfile="${ofile}T"
+    trap "$RM \"$cfgfile\"; exit 1" 1 2 15
+    $RM "$cfgfile"
+
+    cat <<_LT_EOF >> "$cfgfile"
+#! $SHELL
+
+# `$ECHO "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
+# Generated automatically by $as_me ($PACKAGE$TIMESTAMP) $VERSION
+# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
+# NOTE: Changes made to this file will be lost: look at ltmain.sh.
+#
+#   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,
+#                 2006, 2007, 2008 Free Software Foundation, Inc.
+#   Written by Gordon Matzigkeit, 1996
+#
+#   This file is part of GNU Libtool.
+#
+# GNU Libtool is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# As a special exception to the GNU General Public License,
+# if you distribute this file as part of a program or library that
+# is built using GNU Libtool, you may include this file under the
+# same distribution terms that you use for the rest of that program.
+#
+# GNU Libtool is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Libtool; see the file COPYING.  If not, a copy
+# can be downloaded from http://www.gnu.org/licenses/gpl.html, or
+# obtained by writing to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+
+# The names of the tagged configurations supported by this script.
+available_tags="F77 FC "
+
+# ### BEGIN LIBTOOL CONFIG
+
+# Whether or not to build shared libraries.
+build_libtool_libs=$enable_shared
+
+# Assembler program.
+AS=$AS
+
+# DLL creation program.
+DLLTOOL=$DLLTOOL
+
+# Object dumper program.
+OBJDUMP=$OBJDUMP
+
+# Which release of libtool.m4 was used?
+macro_version=$macro_version
+macro_revision=$macro_revision
+
+# Whether or not to build static libraries.
+build_old_libs=$enable_static
+
+# What type of objects to build.
+pic_mode=$pic_mode
+
+# Whether or not to optimize for fast installation.
+fast_install=$enable_fast_install
+
+# The host system.
+host_alias=$host_alias
+host=$host
+host_os=$host_os
+
+# The build system.
+build_alias=$build_alias
+build=$build
+build_os=$build_os
+
+# A sed program that does not truncate output.
+SED=$lt_SED
+
+# Sed that helps us avoid accidentally triggering echo(1) options like -n.
+Xsed="\$SED -e 1s/^X//"
+
+# A grep program that handles long lines.
+GREP=$lt_GREP
+
+# An ERE matcher.
+EGREP=$lt_EGREP
+
+# A literal string matcher.
+FGREP=$lt_FGREP
+
+# A BSD- or MS-compatible name lister.
+NM=$lt_NM
+
+# Whether we need soft or hard links.
+LN_S=$lt_LN_S
+
+# What is the maximum length of a command?
+max_cmd_len=$max_cmd_len
+
+# Object file suffix (normally "o").
+objext=$ac_objext
+
+# Executable file suffix (normally "").
+exeext=$exeext
+
+# whether the shell understands "unset".
+lt_unset=$lt_unset
+
+# turn spaces into newlines.
+SP2NL=$lt_lt_SP2NL
+
+# turn newlines into spaces.
+NL2SP=$lt_lt_NL2SP
+
+# How to create reloadable object files.
+reload_flag=$lt_reload_flag
+reload_cmds=$lt_reload_cmds
+
+# Method to check whether dependent libraries are shared objects.
+deplibs_check_method=$lt_deplibs_check_method
+
+# Command to use when deplibs_check_method == "file_magic".
+file_magic_cmd=$lt_file_magic_cmd
+
+# The archiver.
+AR=$lt_AR
+AR_FLAGS=$lt_AR_FLAGS
+
+# A symbol stripping program.
+STRIP=$lt_STRIP
+
+# Commands used to install an old-style archive.
+RANLIB=$lt_RANLIB
+old_postinstall_cmds=$lt_old_postinstall_cmds
+old_postuninstall_cmds=$lt_old_postuninstall_cmds
+
+# A C compiler.
+LTCC=$lt_CC
+
+# LTCC compiler flags.
+LTCFLAGS=$lt_CFLAGS
+
+# Take the output of nm and produce a listing of raw symbols and C names.
+global_symbol_pipe=$lt_lt_cv_sys_global_symbol_pipe
+
+# Transform the output of nm in a proper C declaration.
+global_symbol_to_cdecl=$lt_lt_cv_sys_global_symbol_to_cdecl
+
+# Transform the output of nm in a C name address pair.
+global_symbol_to_c_name_address=$lt_lt_cv_sys_global_symbol_to_c_name_address
+
+# Transform the output of nm in a C name address pair when lib prefix is needed.
+global_symbol_to_c_name_address_lib_prefix=$lt_lt_cv_sys_global_symbol_to_c_name_address_lib_prefix
+
+# The name of the directory that contains temporary libtool files.
+objdir=$objdir
+
+# Shell to use when invoking shell scripts.
+SHELL=$lt_SHELL
+
+# An echo program that does not interpret backslashes.
+ECHO=$lt_ECHO
+
+# Used to examine libraries when file_magic_cmd begins with "file".
+MAGIC_CMD=$MAGIC_CMD
+
+# Must we lock files when doing compilation?
+need_locks=$lt_need_locks
+
+# Tool to manipulate archived DWARF debug symbol files on Mac OS X.
+DSYMUTIL=$lt_DSYMUTIL
+
+# Tool to change global to local symbols on Mac OS X.
+NMEDIT=$lt_NMEDIT
+
+# Tool to manipulate fat objects and archives on Mac OS X.
+LIPO=$lt_LIPO
+
+# ldd/readelf like tool for Mach-O binaries on Mac OS X.
+OTOOL=$lt_OTOOL
+
+# ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4.
+OTOOL64=$lt_OTOOL64
+
+# Old archive suffix (normally "a").
+libext=$libext
+
+# Shared library suffix (normally ".so").
+shrext_cmds=$lt_shrext_cmds
+
+# The commands to extract the exported symbol list from a shared archive.
+extract_expsyms_cmds=$lt_extract_expsyms_cmds
+
+# Variables whose values should be saved in libtool wrapper scripts and
+# restored at link time.
+variables_saved_for_relink=$lt_variables_saved_for_relink
+
+# Do we need the "lib" prefix for modules?
+need_lib_prefix=$need_lib_prefix
+
+# Do we need a version for libraries?
+need_version=$need_version
+
+# Library versioning type.
+version_type=$version_type
+
+# Shared library runtime path variable.
+runpath_var=$runpath_var
+
+# Shared library path variable.
+shlibpath_var=$shlibpath_var
+
+# Is shlibpath searched before the hard-coded library search path?
+shlibpath_overrides_runpath=$shlibpath_overrides_runpath
+
+# Format of library name prefix.
+libname_spec=$lt_libname_spec
+
+# List of archive names.  First name is the real one, the rest are links.
+# The last name is the one that the linker finds with -lNAME
+library_names_spec=$lt_library_names_spec
+
+# The coded name of the library, if different from the real name.
+soname_spec=$lt_soname_spec
+
+# Command to use after installation of a shared archive.
+postinstall_cmds=$lt_postinstall_cmds
+
+# Command to use after uninstallation of a shared archive.
+postuninstall_cmds=$lt_postuninstall_cmds
+
+# Commands used to finish a libtool library installation in a directory.
+finish_cmds=$lt_finish_cmds
+
+# As "finish_cmds", except a single script fragment to be evaled but
+# not shown.
+finish_eval=$lt_finish_eval
+
+# Whether we should hardcode library paths into libraries.
+hardcode_into_libs=$hardcode_into_libs
+
+# Compile-time system search path for libraries.
+sys_lib_search_path_spec=$lt_sys_lib_search_path_spec
+
+# Run-time system search path for libraries.
+sys_lib_dlsearch_path_spec=$lt_sys_lib_dlsearch_path_spec
+
+# Whether dlopen is supported.
+dlopen_support=$enable_dlopen
+
+# Whether dlopen of programs is supported.
+dlopen_self=$enable_dlopen_self
+
+# Whether dlopen of statically linked programs is supported.
+dlopen_self_static=$enable_dlopen_self_static
+
+# Commands to strip libraries.
+old_striplib=$lt_old_striplib
+striplib=$lt_striplib
+
+
+# The linker used to build libraries.
+LD=$lt_LD
+
+# Commands used to build an old-style archive.
+old_archive_cmds=$lt_old_archive_cmds
+
+# A language specific compiler.
+CC=$lt_compiler
+
+# Is the compiler the GNU compiler?
+with_gcc=$GCC
+
+# Compiler flag to turn off builtin functions.
+no_builtin_flag=$lt_lt_prog_compiler_no_builtin_flag
+
+# How to pass a linker flag through the compiler.
+wl=$lt_lt_prog_compiler_wl
+
+# Additional compiler flags for building library objects.
+pic_flag=$lt_lt_prog_compiler_pic
+
+# Compiler flag to prevent dynamic linking.
+link_static_flag=$lt_lt_prog_compiler_static
+
+# Does compiler simultaneously support -c and -o options?
+compiler_c_o=$lt_lt_cv_prog_compiler_c_o
+
+# Whether or not to add -lc for building shared libraries.
+build_libtool_need_lc=$archive_cmds_need_lc
+
+# Whether or not to disallow shared libs when runtime libs are static.
+allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes
+
+# Compiler flag to allow reflexive dlopens.
+export_dynamic_flag_spec=$lt_export_dynamic_flag_spec
+
+# Compiler flag to generate shared objects directly from archives.
+whole_archive_flag_spec=$lt_whole_archive_flag_spec
+
+# Whether the compiler copes with passing no objects directly.
+compiler_needs_object=$lt_compiler_needs_object
+
+# Create an old-style archive from a shared archive.
+old_archive_from_new_cmds=$lt_old_archive_from_new_cmds
+
+# Create a temporary old-style archive to link instead of a shared archive.
+old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds
+
+# Commands used to build a shared archive.
+archive_cmds=$lt_archive_cmds
+archive_expsym_cmds=$lt_archive_expsym_cmds
+
+# Commands used to build a loadable module if different from building
+# a shared archive.
+module_cmds=$lt_module_cmds
+module_expsym_cmds=$lt_module_expsym_cmds
+
+# Whether we are building with GNU ld or not.
+with_gnu_ld=$lt_with_gnu_ld
+
+# Flag that allows shared libraries with undefined symbols to be built.
+allow_undefined_flag=$lt_allow_undefined_flag
+
+# Flag that enforces no undefined symbols.
+no_undefined_flag=$lt_no_undefined_flag
+
+# Flag to hardcode \$libdir into a binary during linking.
+# This must work even if \$libdir does not exist
+hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec
+
+# If ld is used when linking, flag to hardcode \$libdir into a binary
+# during linking.  This must work even if \$libdir does not exist.
+hardcode_libdir_flag_spec_ld=$lt_hardcode_libdir_flag_spec_ld
+
+# Whether we need a single "-rpath" flag with a separated argument.
+hardcode_libdir_separator=$lt_hardcode_libdir_separator
+
+# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes
+# DIR into the resulting binary.
+hardcode_direct=$hardcode_direct
+
+# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes
+# DIR into the resulting binary and the resulting library dependency is
+# "absolute",i.e impossible to change by setting \${shlibpath_var} if the
+# library is relocated.
+hardcode_direct_absolute=$hardcode_direct_absolute
+
+# Set to "yes" if using the -LDIR flag during linking hardcodes DIR
+# into the resulting binary.
+hardcode_minus_L=$hardcode_minus_L
+
+# Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR
+# into the resulting binary.
+hardcode_shlibpath_var=$hardcode_shlibpath_var
+
+# Set to "yes" if building a shared library automatically hardcodes DIR
+# into the library and all subsequent libraries and executables linked
+# against it.
+hardcode_automatic=$hardcode_automatic
+
+# Set to yes if linker adds runtime paths of dependent libraries
+# to runtime path list.
+inherit_rpath=$inherit_rpath
+
+# Whether libtool must link a program against all its dependency libraries.
+link_all_deplibs=$link_all_deplibs
+
+# Fix the shell variable \$srcfile for the compiler.
+fix_srcfile_path=$lt_fix_srcfile_path
+
+# Set to "yes" if exported symbols are required.
+always_export_symbols=$always_export_symbols
+
+# The commands to list exported symbols.
+export_symbols_cmds=$lt_export_symbols_cmds
+
+# Symbols that should not be listed in the preloaded symbols.
+exclude_expsyms=$lt_exclude_expsyms
+
+# Symbols that must always be exported.
+include_expsyms=$lt_include_expsyms
+
+# Commands necessary for linking programs (against libraries) with templates.
+prelink_cmds=$lt_prelink_cmds
+
+# Specify filename containing input files.
+file_list_spec=$lt_file_list_spec
+
+# How to hardcode a shared library path into an executable.
+hardcode_action=$hardcode_action
+
+# The directories searched by this compiler when creating a shared library.
+compiler_lib_search_dirs=$lt_compiler_lib_search_dirs
+
+# Dependencies to place before and after the objects being linked to
+# create a shared library.
+predep_objects=$lt_predep_objects
+postdep_objects=$lt_postdep_objects
+predeps=$lt_predeps
+postdeps=$lt_postdeps
+
+# The library search path used internally by the compiler when linking
+# a shared library.
+compiler_lib_search_path=$lt_compiler_lib_search_path
+
+# ### END LIBTOOL CONFIG
+
+_LT_EOF
+
+  case $host_os in
+  aix3*)
+    cat <<\_LT_EOF >> "$cfgfile"
+# AIX sometimes has problems with the GCC collect2 program.  For some
+# reason, if we set the COLLECT_NAMES environment variable, the problems
+# vanish in a puff of smoke.
+if test "X${COLLECT_NAMES+set}" != Xset; then
+  COLLECT_NAMES=
+  export COLLECT_NAMES
+fi
+_LT_EOF
+    ;;
+  esac
+
+
+ltmain="$ac_aux_dir/ltmain.sh"
+
+
+  # We use sed instead of cat because bash on DJGPP gets confused if
+  # if finds mixed CR/LF and LF-only lines.  Since sed operates in
+  # text mode, it properly converts lines to CR/LF.  This bash problem
+  # is reportedly fixed, but why not run on old versions too?
+  sed '/^# Generated shell functions inserted here/q' "$ltmain" >> "$cfgfile" \
+    || (rm -f "$cfgfile"; exit 1)
+
+  case $xsi_shell in
+  yes)
+    cat << \_LT_EOF >> "$cfgfile"
+
+# func_dirname file append nondir_replacement
+# Compute the dirname of FILE.  If nonempty, add APPEND to the result,
+# otherwise set result to NONDIR_REPLACEMENT.
+func_dirname ()
+{
+  case ${1} in
+    */*) func_dirname_result="${1%/*}${2}" ;;
+    *  ) func_dirname_result="${3}" ;;
+  esac
+}
+
+# func_basename file
+func_basename ()
+{
+  func_basename_result="${1##*/}"
+}
+
+# func_dirname_and_basename file append nondir_replacement
+# perform func_basename and func_dirname in a single function
+# call:
+#   dirname:  Compute the dirname of FILE.  If nonempty,
+#             add APPEND to the result, otherwise set result
+#             to NONDIR_REPLACEMENT.
+#             value returned in "$func_dirname_result"
+#   basename: Compute filename of FILE.
+#             value retuned in "$func_basename_result"
+# Implementation must be kept synchronized with func_dirname
+# and func_basename. For efficiency, we do not delegate to
+# those functions but instead duplicate the functionality here.
+func_dirname_and_basename ()
+{
+  case ${1} in
+    */*) func_dirname_result="${1%/*}${2}" ;;
+    *  ) func_dirname_result="${3}" ;;
+  esac
+  func_basename_result="${1##*/}"
+}
+
+# func_stripname prefix suffix name
+# strip PREFIX and SUFFIX off of NAME.
+# PREFIX and SUFFIX must not contain globbing or regex special
+# characters, hashes, percent signs, but SUFFIX may contain a leading
+# dot (in which case that matches only a dot).
+func_stripname ()
+{
+  # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are
+  # positional parameters, so assign one to ordinary parameter first.
+  func_stripname_result=${3}
+  func_stripname_result=${func_stripname_result#"${1}"}
+  func_stripname_result=${func_stripname_result%"${2}"}
+}
+
+# func_opt_split
+func_opt_split ()
+{
+  func_opt_split_opt=${1%%=*}
+  func_opt_split_arg=${1#*=}
+}
+
+# func_lo2o object
+func_lo2o ()
+{
+  case ${1} in
+    *.lo) func_lo2o_result=${1%.lo}.${objext} ;;
+    *)    func_lo2o_result=${1} ;;
+  esac
+}
+
+# func_xform libobj-or-source
+func_xform ()
+{
+  func_xform_result=${1%.*}.lo
+}
+
+# func_arith arithmetic-term...
+func_arith ()
+{
+  func_arith_result=$(( $* ))
+}
+
+# func_len string
+# STRING may not start with a hyphen.
+func_len ()
+{
+  func_len_result=${#1}
+}
+
+_LT_EOF
+    ;;
+  *) # Bourne compatible functions.
+    cat << \_LT_EOF >> "$cfgfile"
+
+# func_dirname file append nondir_replacement
+# Compute the dirname of FILE.  If nonempty, add APPEND to the result,
+# otherwise set result to NONDIR_REPLACEMENT.
+func_dirname ()
+{
+  # Extract subdirectory from the argument.
+  func_dirname_result=`$ECHO "X${1}" | $Xsed -e "$dirname"`
+  if test "X$func_dirname_result" = "X${1}"; then
+    func_dirname_result="${3}"
+  else
+    func_dirname_result="$func_dirname_result${2}"
+  fi
+}
+
+# func_basename file
+func_basename ()
+{
+  func_basename_result=`$ECHO "X${1}" | $Xsed -e "$basename"`
+}
+
+
+# func_stripname prefix suffix name
+# strip PREFIX and SUFFIX off of NAME.
+# PREFIX and SUFFIX must not contain globbing or regex special
+# characters, hashes, percent signs, but SUFFIX may contain a leading
+# dot (in which case that matches only a dot).
+# func_strip_suffix prefix name
+func_stripname ()
+{
+  case ${2} in
+    .*) func_stripname_result=`$ECHO "X${3}" \
+           | $Xsed -e "s%^${1}%%" -e "s%\\\\${2}\$%%"`;;
+    *)  func_stripname_result=`$ECHO "X${3}" \
+           | $Xsed -e "s%^${1}%%" -e "s%${2}\$%%"`;;
+  esac
+}
+
+# sed scripts:
+my_sed_long_opt='1s/^\(-[^=]*\)=.*/\1/;q'
+my_sed_long_arg='1s/^-[^=]*=//'
+
+# func_opt_split
+func_opt_split ()
+{
+  func_opt_split_opt=`$ECHO "X${1}" | $Xsed -e "$my_sed_long_opt"`
+  func_opt_split_arg=`$ECHO "X${1}" | $Xsed -e "$my_sed_long_arg"`
+}
+
+# func_lo2o object
+func_lo2o ()
+{
+  func_lo2o_result=`$ECHO "X${1}" | $Xsed -e "$lo2o"`
+}
+
+# func_xform libobj-or-source
+func_xform ()
+{
+  func_xform_result=`$ECHO "X${1}" | $Xsed -e 's/\.[^.]*$/.lo/'`
+}
+
+# func_arith arithmetic-term...
+func_arith ()
+{
+  func_arith_result=`expr "$@"`
+}
+
+# func_len string
+# STRING may not start with a hyphen.
+func_len ()
+{
+  func_len_result=`expr "$1" : ".*" 2>/dev/null || echo $max_cmd_len`
+}
+
+_LT_EOF
+esac
+
+case $lt_shell_append in
+  yes)
+    cat << \_LT_EOF >> "$cfgfile"
+
+# func_append var value
+# Append VALUE to the end of shell variable VAR.
+func_append ()
+{
+  eval "$1+=\$2"
+}
+_LT_EOF
+    ;;
+  *)
+    cat << \_LT_EOF >> "$cfgfile"
+
+# func_append var value
+# Append VALUE to the end of shell variable VAR.
+func_append ()
+{
+  eval "$1=\$$1\$2"
+}
+
+_LT_EOF
+    ;;
+  esac
+
+
+  sed -n '/^# Generated shell functions inserted here/,$p' "$ltmain" >> "$cfgfile" \
+    || (rm -f "$cfgfile"; exit 1)
+
+  mv -f "$cfgfile" "$ofile" ||
+    (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile")
+  chmod +x "$ofile"
+
+
+    cat <<_LT_EOF >> "$ofile"
+
+# ### BEGIN LIBTOOL TAG CONFIG: F77
+
+# The linker used to build libraries.
+LD=$lt_LD_F77
+
+# Commands used to build an old-style archive.
+old_archive_cmds=$lt_old_archive_cmds_F77
+
+# A language specific compiler.
+CC=$lt_compiler_F77
+
+# Is the compiler the GNU compiler?
+with_gcc=$GCC_F77
+
+# Compiler flag to turn off builtin functions.
+no_builtin_flag=$lt_lt_prog_compiler_no_builtin_flag_F77
+
+# How to pass a linker flag through the compiler.
+wl=$lt_lt_prog_compiler_wl_F77
+
+# Additional compiler flags for building library objects.
+pic_flag=$lt_lt_prog_compiler_pic_F77
+
+# Compiler flag to prevent dynamic linking.
+link_static_flag=$lt_lt_prog_compiler_static_F77
+
+# Does compiler simultaneously support -c and -o options?
+compiler_c_o=$lt_lt_cv_prog_compiler_c_o_F77
+
+# Whether or not to add -lc for building shared libraries.
+build_libtool_need_lc=$archive_cmds_need_lc_F77
+
+# Whether or not to disallow shared libs when runtime libs are static.
+allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes_F77
+
+# Compiler flag to allow reflexive dlopens.
+export_dynamic_flag_spec=$lt_export_dynamic_flag_spec_F77
+
+# Compiler flag to generate shared objects directly from archives.
+whole_archive_flag_spec=$lt_whole_archive_flag_spec_F77
+
+# Whether the compiler copes with passing no objects directly.
+compiler_needs_object=$lt_compiler_needs_object_F77
+
+# Create an old-style archive from a shared archive.
+old_archive_from_new_cmds=$lt_old_archive_from_new_cmds_F77
+
+# Create a temporary old-style archive to link instead of a shared archive.
+old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds_F77
+
+# Commands used to build a shared archive.
+archive_cmds=$lt_archive_cmds_F77
+archive_expsym_cmds=$lt_archive_expsym_cmds_F77
+
+# Commands used to build a loadable module if different from building
+# a shared archive.
+module_cmds=$lt_module_cmds_F77
+module_expsym_cmds=$lt_module_expsym_cmds_F77
+
+# Whether we are building with GNU ld or not.
+with_gnu_ld=$lt_with_gnu_ld_F77
+
+# Flag that allows shared libraries with undefined symbols to be built.
+allow_undefined_flag=$lt_allow_undefined_flag_F77
+
+# Flag that enforces no undefined symbols.
+no_undefined_flag=$lt_no_undefined_flag_F77
+
+# Flag to hardcode \$libdir into a binary during linking.
+# This must work even if \$libdir does not exist
+hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec_F77
+
+# If ld is used when linking, flag to hardcode \$libdir into a binary
+# during linking.  This must work even if \$libdir does not exist.
+hardcode_libdir_flag_spec_ld=$lt_hardcode_libdir_flag_spec_ld_F77
+
+# Whether we need a single "-rpath" flag with a separated argument.
+hardcode_libdir_separator=$lt_hardcode_libdir_separator_F77
+
+# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes
+# DIR into the resulting binary.
+hardcode_direct=$hardcode_direct_F77
+
+# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes
+# DIR into the resulting binary and the resulting library dependency is
+# "absolute",i.e impossible to change by setting \${shlibpath_var} if the
+# library is relocated.
+hardcode_direct_absolute=$hardcode_direct_absolute_F77
+
+# Set to "yes" if using the -LDIR flag during linking hardcodes DIR
+# into the resulting binary.
+hardcode_minus_L=$hardcode_minus_L_F77
+
+# Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR
+# into the resulting binary.
+hardcode_shlibpath_var=$hardcode_shlibpath_var_F77
+
+# Set to "yes" if building a shared library automatically hardcodes DIR
+# into the library and all subsequent libraries and executables linked
+# against it.
+hardcode_automatic=$hardcode_automatic_F77
+
+# Set to yes if linker adds runtime paths of dependent libraries
+# to runtime path list.
+inherit_rpath=$inherit_rpath_F77
+
+# Whether libtool must link a program against all its dependency libraries.
+link_all_deplibs=$link_all_deplibs_F77
+
+# Fix the shell variable \$srcfile for the compiler.
+fix_srcfile_path=$lt_fix_srcfile_path_F77
+
+# Set to "yes" if exported symbols are required.
+always_export_symbols=$always_export_symbols_F77
+
+# The commands to list exported symbols.
+export_symbols_cmds=$lt_export_symbols_cmds_F77
+
+# Symbols that should not be listed in the preloaded symbols.
+exclude_expsyms=$lt_exclude_expsyms_F77
+
+# Symbols that must always be exported.
+include_expsyms=$lt_include_expsyms_F77
+
+# Commands necessary for linking programs (against libraries) with templates.
+prelink_cmds=$lt_prelink_cmds_F77
+
+# Specify filename containing input files.
+file_list_spec=$lt_file_list_spec_F77
+
+# How to hardcode a shared library path into an executable.
+hardcode_action=$hardcode_action_F77
+
+# The directories searched by this compiler when creating a shared library.
+compiler_lib_search_dirs=$lt_compiler_lib_search_dirs_F77
+
+# Dependencies to place before and after the objects being linked to
+# create a shared library.
+predep_objects=$lt_predep_objects_F77
+postdep_objects=$lt_postdep_objects_F77
+predeps=$lt_predeps_F77
+postdeps=$lt_postdeps_F77
+
+# The library search path used internally by the compiler when linking
+# a shared library.
+compiler_lib_search_path=$lt_compiler_lib_search_path_F77
+
+# ### END LIBTOOL TAG CONFIG: F77
+_LT_EOF
+
+
+    cat <<_LT_EOF >> "$ofile"
+
+# ### BEGIN LIBTOOL TAG CONFIG: FC
+
+# The linker used to build libraries.
+LD=$lt_LD_FC
+
+# Commands used to build an old-style archive.
+old_archive_cmds=$lt_old_archive_cmds_FC
+
+# A language specific compiler.
+CC=$lt_compiler_FC
+
+# Is the compiler the GNU compiler?
+with_gcc=$GCC_FC
+
+# Compiler flag to turn off builtin functions.
+no_builtin_flag=$lt_lt_prog_compiler_no_builtin_flag_FC
+
+# How to pass a linker flag through the compiler.
+wl=$lt_lt_prog_compiler_wl_FC
+
+# Additional compiler flags for building library objects.
+pic_flag=$lt_lt_prog_compiler_pic_FC
+
+# Compiler flag to prevent dynamic linking.
+link_static_flag=$lt_lt_prog_compiler_static_FC
+
+# Does compiler simultaneously support -c and -o options?
+compiler_c_o=$lt_lt_cv_prog_compiler_c_o_FC
+
+# Whether or not to add -lc for building shared libraries.
+build_libtool_need_lc=$archive_cmds_need_lc_FC
+
+# Whether or not to disallow shared libs when runtime libs are static.
+allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes_FC
+
+# Compiler flag to allow reflexive dlopens.
+export_dynamic_flag_spec=$lt_export_dynamic_flag_spec_FC
+
+# Compiler flag to generate shared objects directly from archives.
+whole_archive_flag_spec=$lt_whole_archive_flag_spec_FC
+
+# Whether the compiler copes with passing no objects directly.
+compiler_needs_object=$lt_compiler_needs_object_FC
+
+# Create an old-style archive from a shared archive.
+old_archive_from_new_cmds=$lt_old_archive_from_new_cmds_FC
+
+# Create a temporary old-style archive to link instead of a shared archive.
+old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds_FC
+
+# Commands used to build a shared archive.
+archive_cmds=$lt_archive_cmds_FC
+archive_expsym_cmds=$lt_archive_expsym_cmds_FC
+
+# Commands used to build a loadable module if different from building
+# a shared archive.
+module_cmds=$lt_module_cmds_FC
+module_expsym_cmds=$lt_module_expsym_cmds_FC
+
+# Whether we are building with GNU ld or not.
+with_gnu_ld=$lt_with_gnu_ld_FC
+
+# Flag that allows shared libraries with undefined symbols to be built.
+allow_undefined_flag=$lt_allow_undefined_flag_FC
+
+# Flag that enforces no undefined symbols.
+no_undefined_flag=$lt_no_undefined_flag_FC
+
+# Flag to hardcode \$libdir into a binary during linking.
+# This must work even if \$libdir does not exist
+hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec_FC
+
+# If ld is used when linking, flag to hardcode \$libdir into a binary
+# during linking.  This must work even if \$libdir does not exist.
+hardcode_libdir_flag_spec_ld=$lt_hardcode_libdir_flag_spec_ld_FC
+
+# Whether we need a single "-rpath" flag with a separated argument.
+hardcode_libdir_separator=$lt_hardcode_libdir_separator_FC
+
+# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes
+# DIR into the resulting binary.
+hardcode_direct=$hardcode_direct_FC
+
+# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes
+# DIR into the resulting binary and the resulting library dependency is
+# "absolute",i.e impossible to change by setting \${shlibpath_var} if the
+# library is relocated.
+hardcode_direct_absolute=$hardcode_direct_absolute_FC
+
+# Set to "yes" if using the -LDIR flag during linking hardcodes DIR
+# into the resulting binary.
+hardcode_minus_L=$hardcode_minus_L_FC
+
+# Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR
+# into the resulting binary.
+hardcode_shlibpath_var=$hardcode_shlibpath_var_FC
+
+# Set to "yes" if building a shared library automatically hardcodes DIR
+# into the library and all subsequent libraries and executables linked
+# against it.
+hardcode_automatic=$hardcode_automatic_FC
+
+# Set to yes if linker adds runtime paths of dependent libraries
+# to runtime path list.
+inherit_rpath=$inherit_rpath_FC
+
+# Whether libtool must link a program against all its dependency libraries.
+link_all_deplibs=$link_all_deplibs_FC
+
+# Fix the shell variable \$srcfile for the compiler.
+fix_srcfile_path=$lt_fix_srcfile_path_FC
+
+# Set to "yes" if exported symbols are required.
+always_export_symbols=$always_export_symbols_FC
+
+# The commands to list exported symbols.
+export_symbols_cmds=$lt_export_symbols_cmds_FC
+
+# Symbols that should not be listed in the preloaded symbols.
+exclude_expsyms=$lt_exclude_expsyms_FC
+
+# Symbols that must always be exported.
+include_expsyms=$lt_include_expsyms_FC
+
+# Commands necessary for linking programs (against libraries) with templates.
+prelink_cmds=$lt_prelink_cmds_FC
+
+# Specify filename containing input files.
+file_list_spec=$lt_file_list_spec_FC
+
+# How to hardcode a shared library path into an executable.
+hardcode_action=$hardcode_action_FC
+
+# The directories searched by this compiler when creating a shared library.
+compiler_lib_search_dirs=$lt_compiler_lib_search_dirs_FC
+
+# Dependencies to place before and after the objects being linked to
+# create a shared library.
+predep_objects=$lt_predep_objects_FC
+postdep_objects=$lt_postdep_objects_FC
+predeps=$lt_predeps_FC
+postdeps=$lt_postdeps_FC
+
+# The library search path used internally by the compiler when linking
+# a shared library.
+compiler_lib_search_path=$lt_compiler_lib_search_path_FC
+
+# ### END LIBTOOL TAG CONFIG: FC
+_LT_EOF
+
+ ;;
+
+  esac
+done # for ac_tag
+
+
+{ (exit 0); exit 0; }
+_ACEOF
+chmod +x $CONFIG_STATUS
+ac_clean_files=$ac_clean_files_save
+
+test $ac_write_fail = 0 ||
+  { { $as_echo "$as_me:$LINENO: error: write failure creating $CONFIG_STATUS" >&5
+$as_echo "$as_me: error: write failure creating $CONFIG_STATUS" >&2;}
+   { (exit 1); exit 1; }; }
+
+
+# configure is writing to config.log, and then calls config.status.
+# config.status does its own redirection, appending to config.log.
+# Unfortunately, on DOS this fails, as config.log is still kept open
+# by configure, so config.status won't be able to write to it; its
+# output is simply discarded.  So we exec the FD to /dev/null,
+# effectively closing config.log, so it can be properly (re)opened and
+# appended to by config.status.  When coming back to configure, we
+# need to make the FD available again.
+if test "$no_create" != yes; then
+  ac_cs_success=:
+  ac_config_status_args=
+  test "$silent" = yes &&
+    ac_config_status_args="$ac_config_status_args --quiet"
+  exec 5>/dev/null
+  $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false
+  exec 5>>config.log
+  # Use ||, not &&, to avoid exiting from the if with $? = 1, which
+  # would make configure fail if this is the last instruction.
+  $ac_cs_success || { (exit 1); exit 1; }
+fi
+if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
+  { $as_echo "$as_me:$LINENO: WARNING: Unrecognized options: $ac_unrecognized_opts" >&5
+$as_echo "$as_me: WARNING: Unrecognized options: $ac_unrecognized_opts" >&2;}
+fi
+
+
diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..39c28ac
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,256 @@
+#                                               -*- Autoconf -*-
+## Process this file with autoconf to produce a configure script.
+
+# This is part of Unidata's NetCDF CF Library. package. Copyright
+# 2006, see the COPYRIGHT file for more information.
+
+## This puts the cvs ID tag in the output configure script.
+AC_REVISION([$Id: configure.ac,v 1.22 2009/04/12 14:18:13 ed Exp $])
+
+## Running autoconf on this file will trigger a warning if 
+## autoconf is not at least the specified version.
+AC_PREREQ([2.59])
+
+## Tell autoconf to look for auxiliary build tools in this directory.
+#AC_CONFIG_AUX_DIR([config])
+
+## Tell autoconf where to find aclocal.
+#AC_CONFIG_MACRO_DIR([config])
+
+## Initialize with name, version, and support email address. 
+AC_INIT([libcf], [1.0-alpha4], [support at unidata.ucar.edu])
+AC_CONFIG_MACRO_DIR([m4])
+
+AC_MSG_NOTICE([libcf AC_PACKAGE_VERSION])
+
+# Find out about the host we're building on.
+AC_CANONICAL_HOST
+
+# We will output a config.h for the C library, and a fortran inc file,
+# nfconfig.inc.
+AC_CONFIG_HEADERS([config.h])
+AC_CONFIG_HEADERS([nfconfig.inc:nfconfig.in], 
+   [sed '1d;s%^/\* \(.*\) \*/%\1%' nfconfig.inc >conftest.tmp && mv conftest.tmp nfconfig.inc])
+
+# This call is required by automake.
+AM_INIT_AUTOMAKE([foreign no-installinfo dist-bzip2 dist-zip dist-tarZ subdir-objects -Wall])
+
+# Check for the existance of this file before proceeding.
+AC_CONFIG_SRCDIR([src/nccoord.c])
+
+AC_MSG_NOTICE([checking user options])
+
+# Turn off shared libraries by default
+AM_DISABLE_SHARED
+
+# The autoconf manual suggests the following to set a var if it's not
+# already set: test "${var+set}" = set || var={value}
+
+# For backward compatibility, check to see if the user has set FC to
+# null. If so, treat that as the --disable-fortran option to
+# configure.
+
+# Did the user set fc to null?
+AC_MSG_CHECKING([whether FC is set to ''])
+nc_null_fc=no
+test "x${FC+set}" = xset && test "x$FC" = x && nc_null_fc=yes
+AC_MSG_RESULT([$nc_null_fc])
+
+# Does the user want to build documentation?
+AC_MSG_CHECKING([whether documentation is to be built])
+AC_ARG_ENABLE([docs],
+              [AS_HELP_STRING([--enable-docs],
+                              [build the libcf documentation (a built version is already \
+			      included with the distrubution)])])
+test "x$enable_docs" = xyes || enable_docs=no
+AC_MSG_RESULT($enable_docs)
+AM_CONDITIONAL(BUILD_DOCS, [test x$enable_docs = xyes])
+
+# Does the user want to build gridspec tools?
+AC_MSG_CHECKING([whether gridspec tools are to be built])
+AC_ARG_ENABLE([gridspec],
+              [AS_HELP_STRING([--enable-gridspec],
+                              [build the gridspec tools])])
+test "x$enable_gridspec" = xyes || enable_gridspec=no
+AC_MSG_RESULT($enable_gridspec)
+AM_CONDITIONAL(BUILD_GRIDSPEC, [test x$enable_gridspec = xyes])
+
+# Does the user want to build cfcheck?
+AC_MSG_CHECKING([whether cfcheck is to be built])
+AC_ARG_ENABLE([cfcheck],
+              [AS_HELP_STRING([--disable-cfcheck],
+                              [don't build the cfcheck application])])
+test "x$enable_cfcheck" = xno || enable_cfcheck=yes
+AC_MSG_RESULT($enable_cfcheck)
+AM_CONDITIONAL(BUILD_CFCHECK, [test x$enable_cfcheck = xyes])
+
+# Does the user want to enable logging?
+AC_MSG_CHECKING([whether logging is enabled (useful to CF developers, mainly])
+AC_ARG_ENABLE([logging],
+              [AS_HELP_STRING([--enable-logging],
+                              [enable logging capability. This debugging features \
+			      is only of interest to libcf developers.])])
+test "x$enable_logging" = "xyes" || enable_logging=no
+AC_MSG_RESULT([$enable_logging])
+if test "x$enable_logging" = xyes; then
+   AC_DEFINE([LOGGING], 1, [if true, turn on logging])
+fi
+
+# Does the user want to use netcdf-4?
+AC_MSG_CHECKING([whether netCDF-4 is to be used])
+AC_ARG_ENABLE([netcdf-4],
+              [AS_HELP_STRING([--enable-netcdf-4],
+                              [build with netcdf-4 (HDF5 is required)])])
+test "x$enable_netcdf_4" = xyes || enable_netcdf_4=no
+AC_MSG_RESULT($enable_netcdf_4)
+AM_CONDITIONAL(USE_NETCDF4, [test x$enable_netcdf_4 = xyes])
+if test "x$enable_netcdf_4" = xyes; then
+   AC_DEFINE([USE_NETCDF4], 1, [if true, use netCDF-4])
+fi
+
+# Does the user want to use netcdf-4?
+AC_MSG_CHECKING([whether extra tests on sample data should be performed])
+AC_ARG_ENABLE([extra-data-tests],
+              [AS_HELP_STRING([--enable-extra-data-tests],
+                              [Perform extra tests using CF example files from Unidata web site \
+			      (example files must be donloaded separately). This option should \
+			      only be used by those with excessive interest in testing libcf.])])
+test "x$enable_extra_data_tests" = xyes || enable_extra_data_tests=no
+AC_MSG_RESULT($enable_extra_data_tests)
+AM_CONDITIONAL(EXTRA_DATA_TESTS, [test x$enable_extra_data_tests = xyes])
+
+# Did the user specify a location for the HDF5 library?
+AC_MSG_CHECKING([whether a location for the HDF5 library was specified])
+AC_ARG_WITH([hdf5],
+              [AS_HELP_STRING([--with-hdf5=<directory>],
+                              [Specify location of HDF5 library. Configure will expect \
+			      to find subdirs include and lib.])],
+            [HDF5DIR=$with_hdf5])
+HDF5DIR=${HDF5DIR-.}
+AC_MSG_RESULT([$HDF5DIR])
+AM_CONDITIONAL(USE_HDF5_DIR, [test ! "x$HDF5DIR" = x])
+AC_SUBST(HDF5DIR, [$HDF5DIR])
+
+# Do we want to build the fortran API? Check for --disable-f90
+nc_build_f90=yes
+AC_MSG_CHECKING([whether Fortran 90 API is desired])
+AC_ARG_ENABLE([f90],
+              [AS_HELP_STRING([--disable-f90],
+                              [don't try to build Fortran 90 API])])
+test "x$enable_f90" = "xno" && nc_build_f90=no
+test "x$nc_null_fc" = xyes && nc_build_f90=no
+AC_MSG_RESULT([$nc_build_f90])
+AM_CONDITIONAL(BUILD_F90, [test "x$nc_build_f90" = xyes])
+
+# Did the user specify a location for the netcdf library?
+AC_MSG_CHECKING([whether a location for the netCDF library was specified])
+AC_ARG_WITH([netcdf],
+              [AS_HELP_STRING([--with-netcdf=<directory>],
+                              [Specify location of netCDF library. Configure will expect to find subdirs include and lib.])],
+            [NETCDFDIR=$with_netcdf])
+NETCDFDIR=${NETCDFDIR}
+AC_MSG_RESULT([$NETCDFDIR])
+AM_CONDITIONAL(USE_NETCDF_DIR, [test ! "x$NETCDFDIR" = x])
+AC_SUBST(NETCDFDIR, [$NETCDFDIR])
+
+# According to the autoconf mailing list gurus, we must test for
+# compilers unconditionally. That is, we can't skip looking for the
+# fortran compilers, just because the user doesn't want fortran. This
+# is due to a limitation in autoconf.
+
+# Find the C compiler.
+AC_MSG_NOTICE([finding C compiler])
+AC_PROG_CC(mpcc_r xlc cc c89 acc gcc)
+AM_PROG_CC_C_O
+
+# Find fortran compiler. If FC isn't set after AC_PROG_FC, we couldn't
+# find a fortran compiler. If the user requested the fortran API, then
+# bail out right here.
+AC_MSG_NOTICE([finding Fortran compiler (required, even if Fortran API is not desired)])
+
+# We must call AC_PROG_F77 here, otherwise the LIBTOOL macro below
+# will call it, and reset F77 to g77.
+AC_PROG_F77([mpxlf_r xlf fort xlf95 ifort ifc efc pgf95 lf95 g95 gfortran f95 frt pgf77 f77 fort77 fl32 af77 f90 xlf90 pgf90 epcf90 g77])
+if test "${F77+set}" = set && test "x$F77" = x && test "x$nc_build_fortran" = xyes; then
+   AC_MSG_ERROR([Can't find F77 compiler, and compiler recovery disabled.])
+fi
+AC_PROG_FC([mpxlf_r xlf90 fort xlf95 ifort ifc efc pgf95 lf95 g95 gfortran f95 frt pgf77 f77 fort77 fl32 af77 f90 xlf90 pgf90 epcf90 g77])
+
+AC_MSG_NOTICE([finding other utilities])
+
+AC_PROG_INSTALL
+
+AC_MSG_NOTICE([setting up libtool])
+
+# Produce a windows DLL. This macro must be before AM_PROG_LIBTOOL.
+AC_LIBTOOL_WIN32_DLL
+
+# Use libtool.
+AC_PROG_LIBTOOL
+
+AC_MSG_NOTICE([checking for large file support])
+
+AC_SYS_LARGEFILE
+
+AC_MSG_NOTICE([displaying some results])
+
+## This next macro just prints some results for debugging
+## support issues.
+UD_DISPLAY_RESULTS
+
+AC_MSG_NOTICE([checking types, headers, and functions])
+
+UD_FORTRAN_TYPES
+UD_CHECK_LIB_MATH
+AC_CHECK_HEADER(stdlib.h, ,AC_DEFINE([NO_STDLIB_H], [], [no stdlib.h]))
+AC_CHECK_HEADER(sys/types.h, ,AC_DEFINE([NO_SYS_TYPES_H], [], [no sys_types.h]))
+AC_CHECK_HEADER([unistd.h])
+AC_CHECK_FUNC(strerror, ,AC_DEFINE([NO_STRERROR], [], [no strerror.h]))
+AC_CHECK_FUNC(strlcat,AC_DEFINE([HAVE_STRLCAT],1,[Define this if you have strlcat()]))
+UD_CHECK_FTRUNCATE
+AC_FUNC_ALLOCA
+AC_STRUCT_ST_BLKSIZE
+UD_CHECK_IEEE
+AC_TYPE_SIZE_T
+AC_TYPE_OFF_T
+AC_CHECK_TYPE(ssize_t, int)
+AC_CHECK_TYPE(ptrdiff_t, int)
+AC_CHECK_TYPE(uchar, unsigned char)
+AC_C_CHAR_UNSIGNED
+AC_C_BIGENDIAN
+AC_CHECK_SIZEOF(short)
+AC_CHECK_SIZEOF(int)
+AC_CHECK_SIZEOF(long)
+AC_CHECK_SIZEOF(float)
+AC_CHECK_SIZEOF(double)
+UD_CHECK_SIZEOF(off_t)
+UD_CHECK_SIZEOF(size_t)
+UD_MAKEWHATIS
+
+# For nightly build testing, output CC, FC, etc.
+if test x$enable_compiler_recover = xno; then
+   echo "CC=$CC CXX=$CXX FC=$FC F77=$F77" >> comps.txt
+fi
+
+AC_MSG_NOTICE([generating header files and makefiles])
+
+AC_CONFIG_FILES([Makefile
+                 doc/Makefile
+                 cfcheck/Makefile
+                 src/Makefile
+		 gridspec_tools_20080702/Makefile
+		 gridspec_tools_20080702/shared/Makefile
+		 gridspec_tools_20080702/shared/mosaic/Makefile
+		 gridspec_tools_20080702/tools/Makefile
+		 gridspec_tools_20080702/tools/shared/Makefile
+		 gridspec_tools_20080702/tools/make_hgrid/Makefile
+		 gridspec_tools_20080702/tools/make_solo_mosaic/Makefile
+		 gridspec_tools_20080702/tools/make_coupler_mosaic/Makefile
+		 gridspec_tools_20080702/tools/fregrid/Makefile
+		 gridspec_tools_20080702/tools/make_topog/Makefile
+		 gridspec_tools_20080702/tools/make_vgrid/Makefile
+		 gridspec_tools_20080702/tools/river_regrid/Makefile
+		 gridspec_tools_20080702/tools/transfer_to_mosaic_grid/Makefile])
+
+AC_OUTPUT()
+
diff --git a/depcomp b/depcomp
new file mode 100755
index 0000000..e5f9736
--- /dev/null
+++ b/depcomp
@@ -0,0 +1,589 @@
+#! /bin/sh
+# depcomp - compile a program generating dependencies as side-effects
+
+scriptversion=2007-03-29.01
+
+# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007 Free Software
+# Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301, USA.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# Originally written by Alexandre Oliva <oliva at dcc.unicamp.br>.
+
+case $1 in
+  '')
+     echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
+     exit 1;
+     ;;
+  -h | --h*)
+    cat <<\EOF
+Usage: depcomp [--help] [--version] PROGRAM [ARGS]
+
+Run PROGRAMS ARGS to compile a file, generating dependencies
+as side-effects.
+
+Environment variables:
+  depmode     Dependency tracking mode.
+  source      Source file read by `PROGRAMS ARGS'.
+  object      Object file output by `PROGRAMS ARGS'.
+  DEPDIR      directory where to store dependencies.
+  depfile     Dependency file to output.
+  tmpdepfile  Temporary file to use when outputing dependencies.
+  libtool     Whether libtool is used (yes/no).
+
+Report bugs to <bug-automake at gnu.org>.
+EOF
+    exit $?
+    ;;
+  -v | --v*)
+    echo "depcomp $scriptversion"
+    exit $?
+    ;;
+esac
+
+if test -z "$depmode" || test -z "$source" || test -z "$object"; then
+  echo "depcomp: Variables source, object and depmode must be set" 1>&2
+  exit 1
+fi
+
+# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
+depfile=${depfile-`echo "$object" |
+  sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
+tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
+
+rm -f "$tmpdepfile"
+
+# Some modes work just like other modes, but use different flags.  We
+# parameterize here, but still list the modes in the big case below,
+# to make depend.m4 easier to write.  Note that we *cannot* use a case
+# here, because this file can only contain one case statement.
+if test "$depmode" = hp; then
+  # HP compiler uses -M and no extra arg.
+  gccflag=-M
+  depmode=gcc
+fi
+
+if test "$depmode" = dashXmstdout; then
+   # This is just like dashmstdout with a different argument.
+   dashmflag=-xM
+   depmode=dashmstdout
+fi
+
+case "$depmode" in
+gcc3)
+## gcc 3 implements dependency tracking that does exactly what
+## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
+## it if -MD -MP comes after the -MF stuff.  Hmm.
+## Unfortunately, FreeBSD c89 acceptance of flags depends upon
+## the command line argument order; so add the flags where they
+## appear in depend2.am.  Note that the slowdown incurred here
+## affects only configure: in makefiles, %FASTDEP% shortcuts this.
+  for arg
+  do
+    case $arg in
+    -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
+    *)  set fnord "$@" "$arg" ;;
+    esac
+    shift # fnord
+    shift # $arg
+  done
+  "$@"
+  stat=$?
+  if test $stat -eq 0; then :
+  else
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  mv "$tmpdepfile" "$depfile"
+  ;;
+
+gcc)
+## There are various ways to get dependency output from gcc.  Here's
+## why we pick this rather obscure method:
+## - Don't want to use -MD because we'd like the dependencies to end
+##   up in a subdir.  Having to rename by hand is ugly.
+##   (We might end up doing this anyway to support other compilers.)
+## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
+##   -MM, not -M (despite what the docs say).
+## - Using -M directly means running the compiler twice (even worse
+##   than renaming).
+  if test -z "$gccflag"; then
+    gccflag=-MD,
+  fi
+  "$@" -Wp,"$gccflag$tmpdepfile"
+  stat=$?
+  if test $stat -eq 0; then :
+  else
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
+## The second -e expression handles DOS-style file names with drive letters.
+  sed -e 's/^[^:]*: / /' \
+      -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
+## This next piece of magic avoids the `deleted header file' problem.
+## The problem is that when a header file which appears in a .P file
+## is deleted, the dependency causes make to die (because there is
+## typically no way to rebuild the header).  We avoid this by adding
+## dummy dependencies for each header file.  Too bad gcc doesn't do
+## this for us directly.
+  tr ' ' '
+' < "$tmpdepfile" |
+## Some versions of gcc put a space before the `:'.  On the theory
+## that the space means something, we add a space to the output as
+## well.
+## Some versions of the HPUX 10.20 sed can't process this invocation
+## correctly.  Breaking it into two sed invocations is a workaround.
+    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+hp)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
+
+sgi)
+  if test "$libtool" = yes; then
+    "$@" "-Wp,-MDupdate,$tmpdepfile"
+  else
+    "$@" -MDupdate "$tmpdepfile"
+  fi
+  stat=$?
+  if test $stat -eq 0; then :
+  else
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+
+  if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
+    echo "$object : \\" > "$depfile"
+
+    # Clip off the initial element (the dependent).  Don't try to be
+    # clever and replace this with sed code, as IRIX sed won't handle
+    # lines with more than a fixed number of characters (4096 in
+    # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
+    # the IRIX cc adds comments like `#:fec' to the end of the
+    # dependency line.
+    tr ' ' '
+' < "$tmpdepfile" \
+    | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
+    tr '
+' ' ' >> $depfile
+    echo >> $depfile
+
+    # The second pass generates a dummy entry for each header file.
+    tr ' ' '
+' < "$tmpdepfile" \
+   | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
+   >> $depfile
+  else
+    # The sourcefile does not contain any dependencies, so just
+    # store a dummy comment line, to avoid errors with the Makefile
+    # "include basename.Plo" scheme.
+    echo "#dummy" > "$depfile"
+  fi
+  rm -f "$tmpdepfile"
+  ;;
+
+aix)
+  # The C for AIX Compiler uses -M and outputs the dependencies
+  # in a .u file.  In older versions, this file always lives in the
+  # current directory.  Also, the AIX compiler puts `$object:' at the
+  # start of each line; $object doesn't have directory information.
+  # Version 6 uses the directory in both cases.
+  dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
+  test "x$dir" = "x$object" && dir=
+  base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
+  if test "$libtool" = yes; then
+    tmpdepfile1=$dir$base.u
+    tmpdepfile2=$base.u
+    tmpdepfile3=$dir.libs/$base.u
+    "$@" -Wc,-M
+  else
+    tmpdepfile1=$dir$base.u
+    tmpdepfile2=$dir$base.u
+    tmpdepfile3=$dir$base.u
+    "$@" -M
+  fi
+  stat=$?
+
+  if test $stat -eq 0; then :
+  else
+    rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+    exit $stat
+  fi
+
+  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+  do
+    test -f "$tmpdepfile" && break
+  done
+  if test -f "$tmpdepfile"; then
+    # Each line is of the form `foo.o: dependent.h'.
+    # Do two passes, one to just change these to
+    # `$object: dependent.h' and one to simply `dependent.h:'.
+    sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
+    # That's a tab and a space in the [].
+    sed -e 's,^.*\.[a-z]*:[	 ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
+  else
+    # The sourcefile does not contain any dependencies, so just
+    # store a dummy comment line, to avoid errors with the Makefile
+    # "include basename.Plo" scheme.
+    echo "#dummy" > "$depfile"
+  fi
+  rm -f "$tmpdepfile"
+  ;;
+
+icc)
+  # Intel's C compiler understands `-MD -MF file'.  However on
+  #    icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
+  # ICC 7.0 will fill foo.d with something like
+  #    foo.o: sub/foo.c
+  #    foo.o: sub/foo.h
+  # which is wrong.  We want:
+  #    sub/foo.o: sub/foo.c
+  #    sub/foo.o: sub/foo.h
+  #    sub/foo.c:
+  #    sub/foo.h:
+  # ICC 7.1 will output
+  #    foo.o: sub/foo.c sub/foo.h
+  # and will wrap long lines using \ :
+  #    foo.o: sub/foo.c ... \
+  #     sub/foo.h ... \
+  #     ...
+
+  "$@" -MD -MF "$tmpdepfile"
+  stat=$?
+  if test $stat -eq 0; then :
+  else
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  # Each line is of the form `foo.o: dependent.h',
+  # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
+  # Do two passes, one to just change these to
+  # `$object: dependent.h' and one to simply `dependent.h:'.
+  sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
+  # Some versions of the HPUX 10.20 sed can't process this invocation
+  # correctly.  Breaking it into two sed invocations is a workaround.
+  sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
+    sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+hp2)
+  # The "hp" stanza above does not work with aCC (C++) and HP's ia64
+  # compilers, which have integrated preprocessors.  The correct option
+  # to use with these is +Maked; it writes dependencies to a file named
+  # 'foo.d', which lands next to the object file, wherever that
+  # happens to be.
+  # Much of this is similar to the tru64 case; see comments there.
+  dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
+  test "x$dir" = "x$object" && dir=
+  base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
+  if test "$libtool" = yes; then
+    tmpdepfile1=$dir$base.d
+    tmpdepfile2=$dir.libs/$base.d
+    "$@" -Wc,+Maked
+  else
+    tmpdepfile1=$dir$base.d
+    tmpdepfile2=$dir$base.d
+    "$@" +Maked
+  fi
+  stat=$?
+  if test $stat -eq 0; then :
+  else
+     rm -f "$tmpdepfile1" "$tmpdepfile2"
+     exit $stat
+  fi
+
+  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
+  do
+    test -f "$tmpdepfile" && break
+  done
+  if test -f "$tmpdepfile"; then
+    sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile"
+    # Add `dependent.h:' lines.
+    sed -ne '2,${; s/^ *//; s/ \\*$//; s/$/:/; p;}' "$tmpdepfile" >> "$depfile"
+  else
+    echo "#dummy" > "$depfile"
+  fi
+  rm -f "$tmpdepfile" "$tmpdepfile2"
+  ;;
+
+tru64)
+   # The Tru64 compiler uses -MD to generate dependencies as a side
+   # effect.  `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
+   # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
+   # dependencies in `foo.d' instead, so we check for that too.
+   # Subdirectories are respected.
+   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
+   test "x$dir" = "x$object" && dir=
+   base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
+
+   if test "$libtool" = yes; then
+      # With Tru64 cc, shared objects can also be used to make a
+      # static library.  This mechanism is used in libtool 1.4 series to
+      # handle both shared and static libraries in a single compilation.
+      # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d.
+      #
+      # With libtool 1.5 this exception was removed, and libtool now
+      # generates 2 separate objects for the 2 libraries.  These two
+      # compilations output dependencies in $dir.libs/$base.o.d and
+      # in $dir$base.o.d.  We have to check for both files, because
+      # one of the two compilations can be disabled.  We should prefer
+      # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
+      # automatically cleaned when .libs/ is deleted, while ignoring
+      # the former would cause a distcleancheck panic.
+      tmpdepfile1=$dir.libs/$base.lo.d   # libtool 1.4
+      tmpdepfile2=$dir$base.o.d          # libtool 1.5
+      tmpdepfile3=$dir.libs/$base.o.d    # libtool 1.5
+      tmpdepfile4=$dir.libs/$base.d      # Compaq CCC V6.2-504
+      "$@" -Wc,-MD
+   else
+      tmpdepfile1=$dir$base.o.d
+      tmpdepfile2=$dir$base.d
+      tmpdepfile3=$dir$base.d
+      tmpdepfile4=$dir$base.d
+      "$@" -MD
+   fi
+
+   stat=$?
+   if test $stat -eq 0; then :
+   else
+      rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
+      exit $stat
+   fi
+
+   for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
+   do
+     test -f "$tmpdepfile" && break
+   done
+   if test -f "$tmpdepfile"; then
+      sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
+      # That's a tab and a space in the [].
+      sed -e 's,^.*\.[a-z]*:[	 ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
+   else
+      echo "#dummy" > "$depfile"
+   fi
+   rm -f "$tmpdepfile"
+   ;;
+
+#nosideeffect)
+  # This comment above is used by automake to tell side-effect
+  # dependency tracking mechanisms from slower ones.
+
+dashmstdout)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout, regardless of -o.
+  "$@" || exit $?
+
+  # Remove the call to Libtool.
+  if test "$libtool" = yes; then
+    while test $1 != '--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+
+  # Remove `-o $object'.
+  IFS=" "
+  for arg
+  do
+    case $arg in
+    -o)
+      shift
+      ;;
+    $object)
+      shift
+      ;;
+    *)
+      set fnord "$@" "$arg"
+      shift # fnord
+      shift # $arg
+      ;;
+    esac
+  done
+
+  test -z "$dashmflag" && dashmflag=-M
+  # Require at least two characters before searching for `:'
+  # in the target name.  This is to cope with DOS-style filenames:
+  # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
+  "$@" $dashmflag |
+    sed 's:^[  ]*[^: ][^:][^:]*\:[    ]*:'"$object"'\: :' > "$tmpdepfile"
+  rm -f "$depfile"
+  cat < "$tmpdepfile" > "$depfile"
+  tr ' ' '
+' < "$tmpdepfile" | \
+## Some versions of the HPUX 10.20 sed can't process this invocation
+## correctly.  Breaking it into two sed invocations is a workaround.
+    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+dashXmstdout)
+  # This case only exists to satisfy depend.m4.  It is never actually
+  # run, as this mode is specially recognized in the preamble.
+  exit 1
+  ;;
+
+makedepend)
+  "$@" || exit $?
+  # Remove any Libtool call
+  if test "$libtool" = yes; then
+    while test $1 != '--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+  # X makedepend
+  shift
+  cleared=no
+  for arg in "$@"; do
+    case $cleared in
+    no)
+      set ""; shift
+      cleared=yes ;;
+    esac
+    case "$arg" in
+    -D*|-I*)
+      set fnord "$@" "$arg"; shift ;;
+    # Strip any option that makedepend may not understand.  Remove
+    # the object too, otherwise makedepend will parse it as a source file.
+    -*|$object)
+      ;;
+    *)
+      set fnord "$@" "$arg"; shift ;;
+    esac
+  done
+  obj_suffix="`echo $object | sed 's/^.*\././'`"
+  touch "$tmpdepfile"
+  ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
+  rm -f "$depfile"
+  cat < "$tmpdepfile" > "$depfile"
+  sed '1,2d' "$tmpdepfile" | tr ' ' '
+' | \
+## Some versions of the HPUX 10.20 sed can't process this invocation
+## correctly.  Breaking it into two sed invocations is a workaround.
+    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile" "$tmpdepfile".bak
+  ;;
+
+cpp)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout.
+  "$@" || exit $?
+
+  # Remove the call to Libtool.
+  if test "$libtool" = yes; then
+    while test $1 != '--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+
+  # Remove `-o $object'.
+  IFS=" "
+  for arg
+  do
+    case $arg in
+    -o)
+      shift
+      ;;
+    $object)
+      shift
+      ;;
+    *)
+      set fnord "$@" "$arg"
+      shift # fnord
+      shift # $arg
+      ;;
+    esac
+  done
+
+  "$@" -E |
+    sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
+       -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
+    sed '$ s: \\$::' > "$tmpdepfile"
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  cat < "$tmpdepfile" >> "$depfile"
+  sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+msvisualcpp)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout, regardless of -o,
+  # because we must use -o when running libtool.
+  "$@" || exit $?
+  IFS=" "
+  for arg
+  do
+    case "$arg" in
+    "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
+	set fnord "$@"
+	shift
+	shift
+	;;
+    *)
+	set fnord "$@" "$arg"
+	shift
+	shift
+	;;
+    esac
+  done
+  "$@" -E |
+  sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile"
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::	\1 \\:p' >> "$depfile"
+  echo "	" >> "$depfile"
+  . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+none)
+  exec "$@"
+  ;;
+
+*)
+  echo "Unknown depmode $depmode" 1>&2
+  exit 1
+  ;;
+esac
+
+exit 0
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-end: "$"
+# End:
diff --git a/doc/Makefile.am b/doc/Makefile.am
new file mode 100644
index 0000000..4efa58d
--- /dev/null
+++ b/doc/Makefile.am
@@ -0,0 +1,43 @@
+## This is a automake file, part of Unidata's NetCDF CF Library package.
+# Copyright 2006, see the COPYRIGHT file for more information.
+
+# This is the automake file for the NetCDF CF Library documentation.
+
+# $Id: Makefile.am,v 1.6 2008/07/01 11:12:04 ed Exp $
+
+info_TEXINFOS = libcf.texi
+
+# Get texi2dvi to shut the hell up!
+TEXI2DVI = texi2dvi -s
+
+# Get lists of the coresponding ps, info, and pdf files.
+html_docs = ${info_TEXINFOS:.texi=.html} 
+ps_docs = ${info_TEXINFOS:.texi=.ps} 
+pdf_docs = ${info_TEXINFOS:.texi=.pdf}
+info_docs= ${info_TEXINFOS:.texi=.info}
+
+EXTRA_DIST = defines.texi
+
+# Distributes the ps, info, and pdf files with the distribution.
+dist_pkgdata_DATA = $(ps_docs) $(info_docs) $(pdf_docs) 
+
+# Automake seems to be broken with respect to generating html
+# output. Also it steals the *.html targets, no matter what I do. So
+# this cheesy phoney target does the html builds.
+libcf_html:
+	$(MAKEINFO) --html $(AM_MAKEINFOHTMLFLAGS) $(MAKEINFOFLAGS) -I$(srcdir) libcf.texi
+	$(MAKEINFO) --no-split --html $(AM_MAKEINFOHTMLFLAGS) $(MAKEINFOFLAGS) -I$(srcdir) libcf.texi
+
+# This isn't made by all, but tars up everything needed for the website
+web-tarball: all libcf_html
+	tar cf libcf_info.tar *.info*
+	gzip -f libcf_info.tar
+	zip libcf_info *.info &> /dev/null
+	tar cf libcf_pdf.tar *.pdf 
+	gzip -f libcf_pdf.tar
+	zip libcf_pdf *.pdf &> /dev/null
+	tar cf libcf_html.tar libcf libcf.html
+	gzip -f libcf_html.tar
+	zip libcf_html *.pdf &> /dev/null
+	tar cf libcf_docs.tar $(nmans) *.pdf *.html *.tar.gz *.zip libcf
+	gzip -f libcf_docs.tar
diff --git a/doc/Makefile.in b/doc/Makefile.in
new file mode 100644
index 0000000..ab9dfb0
--- /dev/null
+++ b/doc/Makefile.in
@@ -0,0 +1,676 @@
+# Makefile.in generated by automake 1.10.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+ at SET_MAKE@
+
+# Copyright 2006, see the COPYRIGHT file for more information.
+
+# This is the automake file for the NetCDF CF Library documentation.
+
+# $Id: Makefile.am,v 1.6 2008/07/01 11:12:04 ed Exp $
+
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+subdir = doc
+DIST_COMMON = $(dist_pkgdata_DATA) $(srcdir)/Makefile.am \
+	$(srcdir)/Makefile.in $(srcdir)/stamp-vti \
+	$(srcdir)/version.texi mdate-sh texinfo.tex
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/m4/libtool.m4 \
+	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
+	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
+	$(top_srcdir)/acinclude.m4 $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h $(top_builddir)/nfconfig.inc
+CONFIG_CLEAN_FILES =
+SOURCES =
+DIST_SOURCES =
+INFO_DEPS = $(srcdir)/libcf.info
+am__TEXINFO_TEX_DIR = $(srcdir)
+DVIS = libcf.dvi
+PDFS = libcf.pdf
+PSS = libcf.ps
+HTMLS = libcf.html
+TEXINFOS = libcf.texi
+TEXI2PDF = $(TEXI2DVI) --pdf --batch
+MAKEINFOHTML = $(MAKEINFO) --html
+AM_MAKEINFOHTMLFLAGS = $(AM_MAKEINFOFLAGS)
+DVIPS = dvips
+am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
+am__vpath_adj = case $$p in \
+    $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
+    *) f=$$p;; \
+  esac;
+am__strip_dir = `echo $$p | sed -e 's|^.*/||'`;
+am__installdirs = "$(DESTDIR)$(pkgdatadir)"
+dist_pkgdataDATA_INSTALL = $(INSTALL_DATA)
+DATA = $(dist_pkgdata_DATA)
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+ACLOCAL = @ACLOCAL@
+ALLOCA = @ALLOCA@
+AMTAR = @AMTAR@
+AR = @AR@
+AS = @AS@
+AUTOCONF = @AUTOCONF@
+AUTOHEADER = @AUTOHEADER@
+AUTOMAKE = @AUTOMAKE@
+AWK = @AWK@
+CC = @CC@
+CCDEPMODE = @CCDEPMODE@
+CFLAGS = @CFLAGS@
+COMPILE_F = @COMPILE_F@
+CPP = @CPP@
+CPPFLAGS = @CPPFLAGS@
+CYGPATH_W = @CYGPATH_W@
+DEFS = @DEFS@
+DEPDIR = @DEPDIR@
+DLLTOOL = @DLLTOOL@
+DSYMUTIL = @DSYMUTIL@
+DUMPBIN = @DUMPBIN@
+ECHO_C = @ECHO_C@
+ECHO_N = @ECHO_N@
+ECHO_T = @ECHO_T@
+EGREP = @EGREP@
+EXEEXT = @EXEEXT@
+F77 = @F77@
+FC = @FC@
+FCFLAGS = @FCFLAGS@
+FFLAGS = @FFLAGS@
+FGREP = @FGREP@
+FLIBS = @FLIBS@
+FPP = @FPP@
+FPPFLAGS = @FPPFLAGS@
+GREP = @GREP@
+HDF5DIR = @HDF5DIR@
+INSTALL = @INSTALL@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+LD = @LD@
+LDFLAGS = @LDFLAGS@
+LIBOBJS = @LIBOBJS@
+LIBS = @LIBS@
+LIBTOOL = @LIBTOOL@
+LIPO = @LIPO@
+LN_S = @LN_S@
+LTLIBOBJS = @LTLIBOBJS@
+MAKEINFO = @MAKEINFO@
+MAKEWHATIS_CMD = @MAKEWHATIS_CMD@
+MATHLIB = @MATHLIB@
+MKDIR_P = @MKDIR_P@
+NETCDFDIR = @NETCDFDIR@
+NM = @NM@
+NMEDIT = @NMEDIT@
+NMFLAGS = @NMFLAGS@
+OBJDUMP = @OBJDUMP@
+OBJEXT = @OBJEXT@
+OTOOL = @OTOOL@
+OTOOL64 = @OTOOL64@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+RANLIB = @RANLIB@
+SED = @SED@
+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
+STRIP = @STRIP@
+VERSION = @VERSION@
+WHATIS = @WHATIS@
+abs_builddir = @abs_builddir@
+abs_srcdir = @abs_srcdir@
+abs_top_builddir = @abs_top_builddir@
+abs_top_srcdir = @abs_top_srcdir@
+ac_ct_CC = @ac_ct_CC@
+ac_ct_DUMPBIN = @ac_ct_DUMPBIN@
+ac_ct_F77 = @ac_ct_F77@
+ac_ct_FC = @ac_ct_FC@
+am__include = @am__include@
+am__leading_dot = @am__leading_dot@
+am__quote = @am__quote@
+am__tar = @am__tar@
+am__untar = @am__untar@
+bindir = @bindir@
+build = @build@
+build_alias = @build_alias@
+build_cpu = @build_cpu@
+build_os = @build_os@
+build_vendor = @build_vendor@
+builddir = @builddir@
+datadir = @datadir@
+datarootdir = @datarootdir@
+docdir = @docdir@
+dvidir = @dvidir@
+exec_prefix = @exec_prefix@
+host = @host@
+host_alias = @host_alias@
+host_cpu = @host_cpu@
+host_os = @host_os@
+host_vendor = @host_vendor@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+lt_ECHO = @lt_ECHO@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@
+prefix = @prefix@
+prog = @prog@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+srcdir = @srcdir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+info_TEXINFOS = libcf.texi
+
+# Get texi2dvi to shut the hell up!
+TEXI2DVI = texi2dvi -s
+
+# Get lists of the coresponding ps, info, and pdf files.
+html_docs = ${info_TEXINFOS:.texi=.html} 
+ps_docs = ${info_TEXINFOS:.texi=.ps} 
+pdf_docs = ${info_TEXINFOS:.texi=.pdf}
+info_docs = ${info_TEXINFOS:.texi=.info}
+EXTRA_DIST = defines.texi
+
+# Distributes the ps, info, and pdf files with the distribution.
+dist_pkgdata_DATA = $(ps_docs) $(info_docs) $(pdf_docs) 
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .dvi .html .info .pdf .ps .texi
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
+		&& exit 0; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign  doc/Makefile'; \
+	cd $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign  doc/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+.texi.info:
+	restore=: && backupdir="$(am__leading_dot)am$$$$" && \
+	am__cwd=`pwd` && cd $(srcdir) && \
+	rm -rf $$backupdir && mkdir $$backupdir && \
+	if ($(MAKEINFO) --version) >/dev/null 2>&1; then \
+	  for f in $@ $@-[0-9] $@-[0-9][0-9] $(@:.info=).i[0-9] $(@:.info=).i[0-9][0-9]; do \
+	    if test -f $$f; then mv $$f $$backupdir; restore=mv; else :; fi; \
+	  done; \
+	else :; fi && \
+	cd "$$am__cwd"; \
+	if $(MAKEINFO) $(AM_MAKEINFOFLAGS) $(MAKEINFOFLAGS) -I $(srcdir) \
+	 -o $@ $<; \
+	then \
+	  rc=0; \
+	  cd $(srcdir); \
+	else \
+	  rc=$$?; \
+	  cd $(srcdir) && \
+	  $$restore $$backupdir/* `echo "./$@" | sed 's|[^/]*$$||'`; \
+	fi; \
+	rm -rf $$backupdir; exit $$rc
+
+.texi.dvi:
+	TEXINPUTS="$(am__TEXINFO_TEX_DIR)$(PATH_SEPARATOR)$$TEXINPUTS" \
+	MAKEINFO='$(MAKEINFO) $(AM_MAKEINFOFLAGS) $(MAKEINFOFLAGS) -I $(srcdir)' \
+	$(TEXI2DVI) $<
+
+.texi.pdf:
+	TEXINPUTS="$(am__TEXINFO_TEX_DIR)$(PATH_SEPARATOR)$$TEXINPUTS" \
+	MAKEINFO='$(MAKEINFO) $(AM_MAKEINFOFLAGS) $(MAKEINFOFLAGS) -I $(srcdir)' \
+	$(TEXI2PDF) $<
+
+.texi.html:
+	rm -rf $(@:.html=.htp)
+	if $(MAKEINFOHTML) $(AM_MAKEINFOHTMLFLAGS) $(MAKEINFOFLAGS) -I $(srcdir) \
+	 -o $(@:.html=.htp) $<; \
+	then \
+	  rm -rf $@; \
+	  if test ! -d $(@:.html=.htp) && test -d $(@:.html=); then \
+	    mv $(@:.html=) $@; else mv $(@:.html=.htp) $@; fi; \
+	else \
+	  if test ! -d $(@:.html=.htp) && test -d $(@:.html=); then \
+	    rm -rf $(@:.html=); else rm -Rf $(@:.html=.htp) $@; fi; \
+	  exit 1; \
+	fi
+$(srcdir)/libcf.info: libcf.texi $(srcdir)/version.texi
+libcf.dvi: libcf.texi $(srcdir)/version.texi
+libcf.pdf: libcf.texi $(srcdir)/version.texi
+libcf.html: libcf.texi $(srcdir)/version.texi
+$(srcdir)/version.texi:  $(srcdir)/stamp-vti
+$(srcdir)/stamp-vti: libcf.texi $(top_srcdir)/configure
+	@(dir=.; test -f ./libcf.texi || dir=$(srcdir); \
+	set `$(SHELL) $(srcdir)/mdate-sh $$dir/libcf.texi`; \
+	echo "@set UPDATED $$1 $$2 $$3"; \
+	echo "@set UPDATED-MONTH $$2 $$3"; \
+	echo "@set EDITION $(VERSION)"; \
+	echo "@set VERSION $(VERSION)") > vti.tmp
+	@cmp -s vti.tmp $(srcdir)/version.texi \
+	  || (echo "Updating $(srcdir)/version.texi"; \
+	      cp vti.tmp $(srcdir)/version.texi)
+	- at rm -f vti.tmp
+	@cp $(srcdir)/version.texi $@
+
+mostlyclean-vti:
+	-rm -f vti.tmp
+
+maintainer-clean-vti:
+	-rm -f $(srcdir)/stamp-vti $(srcdir)/version.texi
+.dvi.ps:
+	TEXINPUTS="$(am__TEXINFO_TEX_DIR)$(PATH_SEPARATOR)$$TEXINPUTS" \
+	$(DVIPS) -o $@ $<
+
+uninstall-dvi-am:
+	@$(NORMAL_UNINSTALL)
+	@list='$(DVIS)'; for p in $$list; do \
+	  f=$(am__strip_dir) \
+	  echo " rm -f '$(DESTDIR)$(dvidir)/$$f'"; \
+	  rm -f "$(DESTDIR)$(dvidir)/$$f"; \
+	done
+
+uninstall-html-am:
+	@$(NORMAL_UNINSTALL)
+	@list='$(HTMLS)'; for p in $$list; do \
+	  f=$(am__strip_dir) \
+	  echo " rm -rf '$(DESTDIR)$(htmldir)/$$f'"; \
+	  rm -rf "$(DESTDIR)$(htmldir)/$$f"; \
+	done
+
+uninstall-info-am:
+	@$(PRE_UNINSTALL)
+	@if test -d '$(DESTDIR)$(infodir)' && \
+	    (install-info --version && \
+	     install-info --version 2>&1 | sed 1q | grep -i -v debian) >/dev/null 2>&1; then \
+	  list='$(INFO_DEPS)'; \
+	  for file in $$list; do \
+	    relfile=`echo "$$file" | sed 's|^.*/||'`; \
+	    echo " install-info --info-dir='$(DESTDIR)$(infodir)' --remove '$(DESTDIR)$(infodir)/$$relfile'"; \
+	    install-info --info-dir="$(DESTDIR)$(infodir)" --remove "$(DESTDIR)$(infodir)/$$relfile"; \
+	  done; \
+	else :; fi
+	@$(NORMAL_UNINSTALL)
+	@list='$(INFO_DEPS)'; \
+	for file in $$list; do \
+	  relfile=`echo "$$file" | sed 's|^.*/||'`; \
+	  relfile_i=`echo "$$relfile" | sed 's|\.info$$||;s|$$|.i|'`; \
+	  (if test -d "$(DESTDIR)$(infodir)" && cd "$(DESTDIR)$(infodir)"; then \
+	     echo " cd '$(DESTDIR)$(infodir)' && rm -f $$relfile $$relfile-[0-9] $$relfile-[0-9][0-9] $$relfile_i[0-9] $$relfile_i[0-9][0-9]"; \
+	     rm -f $$relfile $$relfile-[0-9] $$relfile-[0-9][0-9] $$relfile_i[0-9] $$relfile_i[0-9][0-9]; \
+	   else :; fi); \
+	done
+
+uninstall-pdf-am:
+	@$(NORMAL_UNINSTALL)
+	@list='$(PDFS)'; for p in $$list; do \
+	  f=$(am__strip_dir) \
+	  echo " rm -f '$(DESTDIR)$(pdfdir)/$$f'"; \
+	  rm -f "$(DESTDIR)$(pdfdir)/$$f"; \
+	done
+
+uninstall-ps-am:
+	@$(NORMAL_UNINSTALL)
+	@list='$(PSS)'; for p in $$list; do \
+	  f=$(am__strip_dir) \
+	  echo " rm -f '$(DESTDIR)$(psdir)/$$f'"; \
+	  rm -f "$(DESTDIR)$(psdir)/$$f"; \
+	done
+
+dist-info: $(INFO_DEPS)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; \
+	list='$(INFO_DEPS)'; \
+	for base in $$list; do \
+	  case $$base in \
+	    $(srcdir)/*) base=`echo "$$base" | sed "s|^$$srcdirstrip/||"`;; \
+	  esac; \
+	  if test -f $$base; then d=.; else d=$(srcdir); fi; \
+	  base_i=`echo "$$base" | sed 's|\.info$$||;s|$$|.i|'`; \
+	  for file in $$d/$$base $$d/$$base-[0-9] $$d/$$base-[0-9][0-9] $$d/$$base_i[0-9] $$d/$$base_i[0-9][0-9]; do \
+	    if test -f $$file; then \
+	      relfile=`expr "$$file" : "$$d/\(.*\)"`; \
+	      test -f $(distdir)/$$relfile || \
+		cp -p $$file $(distdir)/$$relfile; \
+	    else :; fi; \
+	  done; \
+	done
+
+mostlyclean-aminfo:
+	-rm -rf libcf.aux libcf.cp libcf.cps libcf.fn libcf.ky libcf.kys libcf.log \
+	  libcf.pg libcf.pgs libcf.tmp libcf.toc libcf.tp libcf.tps \
+	  libcf.vr libcf.dvi libcf.pdf libcf.ps libcf.html
+
+maintainer-clean-aminfo:
+	@list='$(INFO_DEPS)'; for i in $$list; do \
+	  i_i=`echo "$$i" | sed 's|\.info$$||;s|$$|.i|'`; \
+	  echo " rm -f $$i $$i-[0-9] $$i-[0-9][0-9] $$i_i[0-9] $$i_i[0-9][0-9]"; \
+	  rm -f $$i $$i-[0-9] $$i-[0-9][0-9] $$i_i[0-9] $$i_i[0-9][0-9]; \
+	done
+install-dist_pkgdataDATA: $(dist_pkgdata_DATA)
+	@$(NORMAL_INSTALL)
+	test -z "$(pkgdatadir)" || $(MKDIR_P) "$(DESTDIR)$(pkgdatadir)"
+	@list='$(dist_pkgdata_DATA)'; for p in $$list; do \
+	  if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
+	  f=$(am__strip_dir) \
+	  echo " $(dist_pkgdataDATA_INSTALL) '$$d$$p' '$(DESTDIR)$(pkgdatadir)/$$f'"; \
+	  $(dist_pkgdataDATA_INSTALL) "$$d$$p" "$(DESTDIR)$(pkgdatadir)/$$f"; \
+	done
+
+uninstall-dist_pkgdataDATA:
+	@$(NORMAL_UNINSTALL)
+	@list='$(dist_pkgdata_DATA)'; for p in $$list; do \
+	  f=$(am__strip_dir) \
+	  echo " rm -f '$(DESTDIR)$(pkgdatadir)/$$f'"; \
+	  rm -f "$(DESTDIR)$(pkgdatadir)/$$f"; \
+	done
+tags: TAGS
+TAGS:
+
+ctags: CTAGS
+CTAGS:
+
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -pR $(srcdir)/$$file $(distdir)$$dir || exit 1; \
+	    fi; \
+	    cp -pR $$d/$$file $(distdir)$$dir || exit 1; \
+	  else \
+	    test -f $(distdir)/$$file \
+	    || cp -p $$d/$$file $(distdir)/$$file \
+	    || exit 1; \
+	  fi; \
+	done
+	$(MAKE) $(AM_MAKEFLAGS) \
+	  top_distdir="$(top_distdir)" distdir="$(distdir)" \
+	  dist-info
+check-am: all-am
+check: check-am
+all-am: Makefile $(DATA)
+installdirs:
+	for dir in "$(DESTDIR)$(pkgdatadir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-am
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic
+
+dvi: dvi-am
+
+dvi-am: $(DVIS)
+
+html: html-am
+
+html-am: $(HTMLS)
+
+info: info-am
+
+info-am: $(INFO_DEPS)
+
+install-data-am: install-dist_pkgdataDATA
+
+install-dvi: install-dvi-am
+
+install-dvi-am: $(DVIS)
+	@$(NORMAL_INSTALL)
+	test -z "$(dvidir)" || $(MKDIR_P) "$(DESTDIR)$(dvidir)"
+	@list='$(DVIS)'; for p in $$list; do \
+	  if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
+	  f=$(am__strip_dir) \
+	  echo " $(INSTALL_DATA) '$$d$$p' '$(DESTDIR)$(dvidir)/$$f'"; \
+	  $(INSTALL_DATA) "$$d$$p" "$(DESTDIR)$(dvidir)/$$f"; \
+	done
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am: $(HTMLS)
+	@$(NORMAL_INSTALL)
+	test -z "$(htmldir)" || $(MKDIR_P) "$(DESTDIR)$(htmldir)"
+	@list='$(HTMLS)'; for p in $$list; do \
+	  if test -f "$$p" || test -d "$$p"; then d=; else d="$(srcdir)/"; fi; \
+	  f=$(am__strip_dir) \
+	  if test -d "$$d$$p"; then \
+	    echo " $(MKDIR_P) '$(DESTDIR)$(htmldir)/$$f'"; \
+	    $(MKDIR_P) "$(DESTDIR)$(htmldir)/$$f" || exit 1; \
+	    echo " $(INSTALL_DATA) '$$d$$p'/* '$(DESTDIR)$(htmldir)/$$f'"; \
+	    $(INSTALL_DATA) "$$d$$p"/* "$(DESTDIR)$(htmldir)/$$f"; \
+	  else \
+	    echo " $(INSTALL_DATA) '$$d$$p' '$(DESTDIR)$(htmldir)/$$f'"; \
+	    $(INSTALL_DATA) "$$d$$p" "$(DESTDIR)$(htmldir)/$$f"; \
+	  fi; \
+	done
+install-info: install-info-am
+
+install-info-am: $(INFO_DEPS)
+	@$(NORMAL_INSTALL)
+	test -z "$(infodir)" || $(MKDIR_P) "$(DESTDIR)$(infodir)"
+	@srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; \
+	list='$(INFO_DEPS)'; \
+	for file in $$list; do \
+	  case $$file in \
+	    $(srcdir)/*) file=`echo "$$file" | sed "s|^$$srcdirstrip/||"`;; \
+	  esac; \
+	  if test -f $$file; then d=.; else d=$(srcdir); fi; \
+	  file_i=`echo "$$file" | sed 's|\.info$$||;s|$$|.i|'`; \
+	  for ifile in $$d/$$file $$d/$$file-[0-9] $$d/$$file-[0-9][0-9] \
+                       $$d/$$file_i[0-9] $$d/$$file_i[0-9][0-9] ; do \
+	    if test -f $$ifile; then \
+	      relfile=`echo "$$ifile" | sed 's|^.*/||'`; \
+	      echo " $(INSTALL_DATA) '$$ifile' '$(DESTDIR)$(infodir)/$$relfile'"; \
+	      $(INSTALL_DATA) "$$ifile" "$(DESTDIR)$(infodir)/$$relfile"; \
+	    else : ; fi; \
+	  done; \
+	done
+	@$(POST_INSTALL)
+	@if (install-info --version && \
+	     install-info --version 2>&1 | sed 1q | grep -i -v debian) >/dev/null 2>&1; then \
+	  list='$(INFO_DEPS)'; \
+	  for file in $$list; do \
+	    relfile=`echo "$$file" | sed 's|^.*/||'`; \
+	    echo " install-info --info-dir='$(DESTDIR)$(infodir)' '$(DESTDIR)$(infodir)/$$relfile'";\
+	    install-info --info-dir="$(DESTDIR)$(infodir)" "$(DESTDIR)$(infodir)/$$relfile" || :;\
+	  done; \
+	else : ; fi
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am: $(PDFS)
+	@$(NORMAL_INSTALL)
+	test -z "$(pdfdir)" || $(MKDIR_P) "$(DESTDIR)$(pdfdir)"
+	@list='$(PDFS)'; for p in $$list; do \
+	  if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
+	  f=$(am__strip_dir) \
+	  echo " $(INSTALL_DATA) '$$d$$p' '$(DESTDIR)$(pdfdir)/$$f'"; \
+	  $(INSTALL_DATA) "$$d$$p" "$(DESTDIR)$(pdfdir)/$$f"; \
+	done
+install-ps: install-ps-am
+
+install-ps-am: $(PSS)
+	@$(NORMAL_INSTALL)
+	test -z "$(psdir)" || $(MKDIR_P) "$(DESTDIR)$(psdir)"
+	@list='$(PSS)'; for p in $$list; do \
+	  if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
+	  f=$(am__strip_dir) \
+	  echo " $(INSTALL_DATA) '$$d$$p' '$(DESTDIR)$(psdir)/$$f'"; \
+	  $(INSTALL_DATA) "$$d$$p" "$(DESTDIR)$(psdir)/$$f"; \
+	done
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-aminfo \
+	maintainer-clean-generic maintainer-clean-vti
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-aminfo mostlyclean-generic \
+	mostlyclean-libtool mostlyclean-vti
+
+pdf: pdf-am
+
+pdf-am: $(PDFS)
+
+ps: ps-am
+
+ps-am: $(PSS)
+
+uninstall-am: uninstall-dist_pkgdataDATA uninstall-dvi-am \
+	uninstall-html-am uninstall-info-am uninstall-pdf-am \
+	uninstall-ps-am
+
+.MAKE: install-am install-strip
+
+.PHONY: all all-am check check-am clean clean-generic clean-libtool \
+	dist-info distclean distclean-generic distclean-libtool \
+	distdir dvi dvi-am html html-am info info-am install \
+	install-am install-data install-data-am \
+	install-dist_pkgdataDATA install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man install-pdf \
+	install-pdf-am install-ps install-ps-am install-strip \
+	installcheck installcheck-am installdirs maintainer-clean \
+	maintainer-clean-aminfo maintainer-clean-generic \
+	maintainer-clean-vti mostlyclean mostlyclean-aminfo \
+	mostlyclean-generic mostlyclean-libtool mostlyclean-vti pdf \
+	pdf-am ps ps-am uninstall uninstall-am \
+	uninstall-dist_pkgdataDATA uninstall-dvi-am uninstall-html-am \
+	uninstall-info-am uninstall-pdf-am uninstall-ps-am
+
+
+# Automake seems to be broken with respect to generating html
+# output. Also it steals the *.html targets, no matter what I do. So
+# this cheesy phoney target does the html builds.
+libcf_html:
+	$(MAKEINFO) --html $(AM_MAKEINFOHTMLFLAGS) $(MAKEINFOFLAGS) -I$(srcdir) libcf.texi
+	$(MAKEINFO) --no-split --html $(AM_MAKEINFOHTMLFLAGS) $(MAKEINFOFLAGS) -I$(srcdir) libcf.texi
+
+# This isn't made by all, but tars up everything needed for the website
+web-tarball: all libcf_html
+	tar cf libcf_info.tar *.info*
+	gzip -f libcf_info.tar
+	zip libcf_info *.info &> /dev/null
+	tar cf libcf_pdf.tar *.pdf 
+	gzip -f libcf_pdf.tar
+	zip libcf_pdf *.pdf &> /dev/null
+	tar cf libcf_html.tar libcf libcf.html
+	gzip -f libcf_html.tar
+	zip libcf_html *.pdf &> /dev/null
+	tar cf libcf_docs.tar $(nmans) *.pdf *.html *.tar.gz *.zip libcf
+	gzip -f libcf_docs.tar
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/doc/defines.texi b/doc/defines.texi
new file mode 100644
index 0000000..c208bab
--- /dev/null
+++ b/doc/defines.texi
@@ -0,0 +1,61 @@
+ at c This is part of the libcf documentation. See COPYRIGHT file
+ at c for terms of use.
+
+ at c This file is included by the texi file, and contains
+ at c common definitions.
+
+ at c $Id: defines.texi,v 1.2 2006/09/13 20:46:04 ed Exp $
+
+ at set libcf-man The NetCDF CF Library Users Guide and Reference
+
+ at set libcf-support-email support-libcf@@unidata.ucar.edu
+
+ at c URLs for CF stuff.
+ at set cf-url http://www.cgd.ucar.edu/cms/eaton/cf-metadata/CF-1.0.html
+
+ at c home pages for netcdf, netcdf-4, netcdf java, hdf5, Unidata
+ at set hdf5-url http://hdf.ncsa.uiuc.edu/HDF5
+ at set unidata-url http://www.unidata.ucar.edu
+ at set netcdf-url @value{unidata-url}/software/netcdf
+ at set netcdf-4-url @value{netcdf-url}/netcdf-4
+ at set netcdf-java-url @value{unidata-url}/software/netcdf-java
+ at set ucar-url http://www.ucar.edu
+ at set udunits-url http://www.unidata.ucar.edu/software/udunits/
+
+ at c urls for netcdf documents
+ at set docs-url @value{netcdf-url}/docs
+
+ at c urls to search on-line stuff
+ at set libcf-support-search-url @value{unidata-url}/mailsearchform.php?archive=libcf&archivename=LibCF
+ at set libcf-list-search-url @value{unidata-url}/mailsearchform.php?archive=libcfgroup-list&archivename=LibCF_Group
+
+ at c places to get downloads
+ at set ftp-site ftp://ftp.unidata.ucar.edu/pub/libcf
+
+ at setchapternewpage odd
+ at finalout
+ at copying 
+Copyright @copyright{} 2006 University Corporation for
+Atmospheric Research
+
+ at sp 2
+Permission is granted to make and distribute verbatim copies of this
+manual provided that the copyright notice and these paragraphs are
+preserved on all copies.  The software and any accompanying written 
+materials are provided ``as is'' without warranty of any kind.  UCAR 
+expressly disclaims all warranties of any kind, either expressed or 
+implied, including but not limited to the implied warranties of 
+merchantability and fitness for a particular purpose.  
+
+The Unidata Program Center is managed by the University 
+Corporation for Atmospheric Research and sponsored by the National 
+Science Foundation.  Any opinions, findings, conclusions, or 
+recommendations expressed in this publication are those of the 
+author(s) and do not necessarily reflect the views of the National 
+Science Foundation.
+
+Mention of any commercial company or product in this document 
+does not constitute an endorsement by the Unidata Program Center.  
+Unidata does not authorize any use of information from this 
+publication for advertising or publicity purposes.
+ at end copying
diff --git a/doc/libcf.info b/doc/libcf.info
new file mode 100644
index 0000000..f001b29
--- /dev/null
+++ b/doc/libcf.info
@@ -0,0 +1,2592 @@
+This is libcf.info, produced by makeinfo version 4.11 from
+/machine/shecky/lb_new9/doc//defines.texi.
+
+Copyright (C) 2006 University Corporation for Atmospheric Research
+
+
+
+   Permission is granted to make and distribute verbatim copies of this
+manual provided that the copyright notice and these paragraphs are
+preserved on all copies.  The software and any accompanying written
+materials are provided "as is" without warranty of any kind.  UCAR
+expressly disclaims all warranties of any kind, either expressed or
+implied, including but not limited to the implied warranties of
+merchantability and fitness for a particular purpose.
+
+   The Unidata Program Center is managed by the University Corporation
+for Atmospheric Research and sponsored by the National Science
+Foundation.  Any opinions, findings, conclusions, or recommendations
+expressed in this publication are those of the author(s) and do not
+necessarily reflect the views of the National Science Foundation.
+
+   Mention of any commercial company or product in this document does
+not constitute an endorsement by the Unidata Program Center.  Unidata
+does not authorize any use of information from this publication for
+advertising or publicity purposes.
+
+INFO-DIR-SECTION netCDF CF Library
+START-INFO-DIR-ENTRY
+* libcf: (libcf).         The NetCDF CF Library Users Guide and Reference
+END-INFO-DIR-ENTRY
+
+
+File: libcf.info,  Node: Top,  Next: Summary,  Prev: (dir),  Up: (dir)
+
+The NetCDF CF Library Users Guide and Reference
+***********************************************
+
+This guide describes libcf, the netCDF CF Library. This document
+applies to libcf version 1.0-alpha3, and was last updated on 2 May 2007.
+
+* Menu:
+
+* Summary::
+* Installation::
+* cfcheck::
+* Files::
+* Variables::
+* Coordinates::
+* Combined Index::
+
+
+File: libcf.info,  Node: Summary,  Next: Installation,  Prev: Top,  Up: Top
+
+Summary
+*******
+
+The CF conventions for climate and forecast metadata are designed to
+promote the processing and sharing of files created with the netCDF API.
+
+   This library, libcf, makes it easier to create and work with data
+files which conform to the CF conventions.
+
+   The functions of the CF library are intended to be interspersed with
+netCDF library calls. That is, the programmer will open or create a
+netCDF file with the netCDF API, and then add or read metadata with
+libcf library functions, then continue to working with the netCDF API
+to read and write data.
+
+   By using libcf, a data producer can produce files that conform to the
+CF standards, without having to write netCDF code to create and decode
+all the attributes that the CF convention uses to store meta-data. A
+data consumer can use libcf to read any file which conforms to the CF
+conventions; the file does not need to be created with libcf to be read
+by libcf.
+
+   Fortran-77 wrapper functions provide a Fortran 77 API, just as is
+done with netCDF itself. A Fortran 90 API is planned, but not yet begun.
+
+   For more information about the CF Conventions, see the CF Metadata
+web site at `http://www.cgd.ucar.edu/cms/eaton/cf-metadata/CF-1.0.html'.
+
+
+File: libcf.info,  Node: Installation,  Next: cfcheck,  Prev: Summary,  Up: Top
+
+Downloading and Installing libcf
+********************************
+
+Currently, and for some time to come, libcf is in alpha release. The
+code is tested, but not extensively. The API may be extended, and
+possibly changed, in each release.
+
+   You must have either netCDF-3 (or netCDF-4) installed. And reasonably
+recent version of netCDF should work. libcf is tested with netCDF
+3.6.2-beta4.
+
+   Get the latest version of the libcf tarball at the libcf ftp site:
+ftp://ftp.unidata.ucar.edu/pub/libcf
+
+   Unpack the tarball, and run:
+
+     ./configure --with-netcdf=/my/netcdf --prefix=/my/libcf && make check install > output.txt
+
+   Where /my/netcdf is the root install directory of the netCDF library
+you want to use, and /my/libcf is the root directory where you want
+libcf installed. (They may be the same directory.)
+
+   If you wish to use netCDF-4, you must also have HDF5 and libz, the
+compression library, installed. In this case, configure libcf like this:
+
+     ./configure --with-netcdf=/s/n4_new1/install --enable-netcdf-4 --with-hdf5=/home/ed/local/s && make check install > output.txt
+
+   If the build does not work for you, please email libcf support:
+support-libcf at unidata.ucar.edu. Please send the *complete* output of the
+configure and build output, in ASCII (the output.txt file produced by
+the above build commands), and the file config.log, which is generated
+by the configure script.
+
+
+File: libcf.info,  Node: cfcheck,  Next: Files,  Prev: Installation,  Up: Top
+
+1 The cfcheck Utility
+*********************
+
+The cfchck utility will chck a file to see if it contains valid CF
+metadata. Messages about the file are printed to stdout.
+
+
+File: libcf.info,  Node: Files,  Next: Variables,  Prev: cfcheck,  Up: Top
+
+2 Files
+*******
+
+* Menu:
+
+* nccf_def_convention::
+* nccf_inq_convention::
+* nccf_def_file::
+* nccf_inq_file::
+* nccf_add_history::
+
+
+File: libcf.info,  Node: nccf_def_convention,  Next: nccf_inq_convention,  Prev: Files,  Up: Files
+
+2.1 Mark a File as Conforming to CF Conventions
+===============================================
+
+Mark the file as following CF-1.0 conventions.
+
+   This functions is called automatically by nccf_def_file, so need not
+be called by the user if nccf_def_file is being called.
+
+Usage
+=====
+
+        int nccf_def_convention(int ncid);
+
+`ncid'
+     The ncid of the file.
+
+
+Return Codes
+============
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_inq_convention,  Next: nccf_def_file,  Prev: nccf_def_convention,  Up: Files
+
+2.2 Determine if a File Claims to Conform to CF Conventions
+===========================================================
+
+Determine if the file claims to follow CF-1.0 conventions. This
+function only checks the global "Conventions" attribute. It does not
+look at file metadata to ensure that this is a well-formed CF file. It
+only tells whether the file claims to be a CF file.
+
+Usage
+=====
+
+        int nccf_inq_convention(int ncid, int *cf_convention);
+
+`ncid'
+     The ncid of the file.
+
+`cf_conventions'
+     If this pointer to an int is provided, a 1 is written there if this
+     file claims to follow CF 1.0 conventions, a 0 otherwise.
+
+
+Return Codes
+============
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_def_file,  Next: nccf_inq_file,  Prev: nccf_inq_convention,  Up: Files
+
+2.3 Add description to the data with nccf_def_file
+==================================================
+
+Add some or all of the CF recommended text attributes to a file. Any
+parameters which are set to NULL will be ignored.
+
+Usage
+=====
+
+     int nccf_def_file(int ncid, char *title, char *history, char *institution,
+                       char *source, char *comment, char *references);
+
+`ncid'
+     The ncid of the file.
+
+`title'
+     If non-NULL, this text string will be written as the CF-recommended
+     "title" attribute.
+
+`history'
+     If non-NULL, this text string will be written as the CF-recommended
+     "history" attribute.
+
+`institution'
+     If non-NULL, this text string will be written as the CF-recommended
+     "institution" attribute.
+
+`source'
+     If non-NULL, this text string will be written as the CF-recommended
+     "source" attribute.
+
+`comment'
+     If non-NULL, this text string will be written as the CF-recommended
+     "comment" attribute.
+
+`references'
+     If non-NULL, this text string will be written as the CF-recommended
+     "references" attribute.
+
+
+Return Codes
+============
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_inq_file,  Next: nccf_add_history,  Prev: nccf_def_file,  Up: Files
+
+2.4 Read the description of the data with nccf_inq_file
+=======================================================
+
+Read any existing CF recommended text attributes from the file.
+
+   Recall that in C, strlens do not include the null terminator. To get
+the lengths before the strings (in order to allocated) pass NULL for
+any or all strings and the lengths will be returned. Then call the
+function again after allocating memory.
+
+   The CF version is guaranteed to be less than NC_MAX_NAME.
+
+   Any of these pointer arguments may be NULL, in which case it will be
+ignored.
+
+Usage
+=====
+
+     int nccf_inq_file(int ncid, size_t *title_lenp, char *title,
+                       size_t *history_lenp, char *history,
+                       size_t *institution_lenp, char *institution,
+                       size_t *source_lenp, char *source,
+                       size_t *comment_lenp, char *comment,
+                       size_t *references_lenp, char *references);
+
+`ncid'
+     The ncid of the file.
+
+`title_lenp'
+     Pointer to size_t which, if not NULL, will get the length of the
+     title attribute.
+
+`title'
+     Pointer to char array which, if not NULL, will get the title
+     string. Memory must be allocated before this function is called.
+     Call this function with a NULL for this parameter to get the size
+     first.
+
+`history_lenp'
+     Pointer to size_t which, if not NULL, will get the length of the
+     history attribute.
+
+`history'
+     Pointer to char array which, if not NULL, will get the history
+     string. Memory must be allocated before this function is called.
+     Call this function with a NULL for this parameter to get the size
+     first.
+
+`institution_lenp'
+     Pointer to size_t which, if not NULL, will get the length of the
+     institution attribute.
+
+`institution'
+     Pointer to char array which, if not NULL, will get the institution
+     string. Memory must be allocated before this function is called.
+     Call this function with a NULL for this parameter to get the size
+     first.
+
+`source_lenp'
+     Pointer to size_t which, if not NULL, will get the length of the
+     source attribute.
+
+`source'
+     Pointer to char array which, if not NULL, will get the source
+     string. Memory must be allocated before this function is called.
+     Call this function with a NULL for this parameter to get the size
+     first.
+
+`comment_lenp'
+     Pointer to size_t which, if not NULL, will get the length of the
+     comment attribute.
+
+`comment'
+     Pointer to char array which, if not NULL, will get the comment
+     string. Memory must be allocated before this function is called.
+     Call this function with a NULL for this parameter to get the size
+     first.
+
+`references_lenp'
+     Pointer to size_t which, if not NULL, will get the length of the
+     references attribute.
+
+`references'
+     Pointer to char array which, if not NULL, will get the references
+     string. Memory must be allocated before this function is called.
+     Call this function with a NULL for this parameter to get the size
+     first.
+
+
+Return Codes
+============
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_add_history,  Prev: nccf_inq_file,  Up: Files
+
+2.5 Append to a History Attribute
+=================================
+
+This function appends a time-stamped history string to the history
+attribute, creating the attribute if it doesn't already exist.
+
+Usage
+=====
+
+     int nccf_add_history(int ncid, const char *history);
+
+`ncid'
+     The ncid of the file.
+
+`history'
+     The string to append to the history attribute.
+
+
+Return Codes
+============
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: Variables,  Next: Coordinates,  Prev: Files,  Up: Top
+
+3 Variables
+***********
+
+* Menu:
+
+* nccf_def_var::
+* nccf_inq_var::
+* nccf_def_var_missing::
+* nccf_inq_var_missing::
+* nccf_def_notes::
+* nccf_inq_notes::
+* nccf_def_latitude::
+* nccf_inq_latitude::
+* nccf_def_longitude::
+* nccf_inq_longitude::
+* nccf_def_lvl::
+* nccf_inq_lvl::
+* nccf_def_lvl_vert::
+* nccf_inq_lvl_vert::
+* nccf_def_time::
+* nccf_inq_time::
+* nccf_def_ft_sigma::
+* nccf_inq_lvl_sigma::
+* nccf_def_ft_hybrid_sigma::
+* nccf_inq_lvl_hybrid_sigma::
+* nccf_def_ft_hybrid_height::
+* nccf_inq_lvl_hybrid_height::
+* nccf_def_ft_sleve::
+* nccf_inq_lvl_sleve::
+* nccf_def_ft_ocean_sigma::
+* nccf_inq_lvl_ocean_sigma::
+* nccf_def_ft_ocean_s::
+* nccf_inq_lvl_ocean_s::
+* nccf_def_ft_ocean_sigma_z::
+* nccf_inq_lvl_ocean_sigma_z::
+* nccf_def_ft_ocean_dbl_sigma::
+* nccf_inq_lvl_ocean_dbl_sigma::
+* nccf_get_vara::
+
+
+File: libcf.info,  Node: nccf_def_var,  Next: nccf_inq_var,  Prev: Variables,  Up: Variables
+
+3.1 Add description to a variable with nccf_def_var
+===================================================
+
+Usage
+=====
+
+     int nccf_def_var(int ncid, int varid, const char *units,
+                         const char *long_name, const char *standard_name,
+                         int ncoord_vars, int *coord_varids);
+
+`ncid'
+     The ncid of the file.
+
+`varid'
+     The varid of the netCDF variable being described.
+
+`units'
+     If non-NULL, this text string will be written as the CF-recommended
+     "units" attribute.
+
+`long_name'
+     If non-NULL, this text string will be written as the CF-recommended
+     "long_name" attribute.
+
+`standard_name'
+     If non-NULL, this text string will be written as the CF-recommended
+     "standard_name" attribute.
+
+`ncoord_vars'
+     Number of coordinate variables for this variable.
+
+`coord_varids'
+     The variable IDs of the coordinate variables for this variable.
+
+
+Return Codes
+============
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_inq_var,  Next: nccf_def_var_missing,  Prev: nccf_def_var,  Up: Variables
+
+3.2 Read variable description with nccf_inq_var
+===============================================
+
+Read any existing CF recommended text attributes from a variable.
+
+Usage
+=====
+
+     int nccf_inq_var(int ncid, int varid, size_t *units_lenp, char *units,
+                      size_t *long_name_lenp, char *long_name,
+                      size_t *standard_name_lenp, char *standard_name,
+                      int *ncoord_vars, int *coord_varids);
+
+`ncid'
+     The ncid of the file.
+
+`varid'
+     The varid of the netCDF variable.
+
+`units_lenp'
+     Pointer to size_t which, if not NULL, will get the length of the
+     units attribute.
+
+`units'
+     Pointer to char array which, if not NULL, will get the long_name
+     string. Memory must be allocated before this function is called.
+     Call this function with a NULL for this parameter to get the size
+     first.
+
+`long_name_lenp'
+     Pointer to size_t which, if not NULL, will get the length of the
+     long_name attribute.
+
+`long_name'
+     Pointer to char array which, if not NULL, will get the long_name
+     string. Memory must be allocated before this function is called.
+     Call this function with a NULL for this parameter to get the size
+     first.
+
+`standard_name_lenp'
+     Pointer to size_t which, if not NULL, will get the length of the
+     standard_name attribute.
+
+`standard_name'
+     Pointer to char array which, if not NULL, will get the
+     standard_name string. Memory must be allocated before this
+     function is called. Call this function with a NULL for this
+     parameter to get the size first.
+
+`ncoord_vars'
+     Pointer to an integer, which, if non-NULL, will get the number of
+     coordinate variables identified in the "coordinates" attribute.
+
+`coord_varids'
+     Pointer to an array of integer, which, if non-NULL, will be filled
+     with the variable IDs of the variables listed int he "coordinates"
+     attribute.
+
+
+Return Codes
+============
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_def_var_missing,  Next: nccf_inq_var_missing,  Prev: nccf_inq_var,  Up: Variables
+
+3.3 Define missing data values for a variable with nccf_def_var_missing
+=======================================================================
+
+nccf_def_notes
+
+   This function sets the "fill_value", "valid_min", and "valid_max"
+attributes.
+
+Usage
+=====
+
+     int nccf_def_var_missing(int ncid, int varid, const void *fill_valuep,
+                                 const void *valid_minp, const void *valid_maxp);
+
+`ncid'
+     The ncid of the file.
+
+`varid'
+     The varid of the netCDF variable being described.
+
+`fill_valuep'
+     If non-NULL, this will point to a value of the same type as this
+     varid, which will be used as the fill_value for the data.
+
+`valid_minp'
+     If non-NULL, this will point to a value of the same type as this
+     varid, which will be written as the "valid_min" attribute. If this
+     parameter is non-NULL, valid_max must also be provided.
+
+`valid_maxp'
+     If non-NULL, this will point to a value of the same type as this
+     varid, which will be written as the "valid_max" attribute. If this
+     parameter is non-NULL, valid_min must also be provided.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_inq_var_missing,  Next: nccf_def_notes,  Prev: nccf_def_var_missing,  Up: Variables
+
+3.4 Learn about missing data settings with nccf_inq_var_missing
+===============================================================
+
+Get attributes which define missing data information. If the attributes
+are not there, then provide the valid data anyway, based on netCDF
+defaults.
+
+Usage
+=====
+
+     int nccf_inq_var_missing(int ncid, int varid, void *fill_valuep,
+                                 void *valid_minp, void *valid_maxp);
+
+`ncid'
+     The ncid of the file.
+
+`varid'
+     The varid of the netCDF variable.
+
+`fill_valuep'
+     If this is not NULL, the fill value of the variable will be
+     written at this address by nccf_inq_var_missing. If the fill value
+     was not defined for the variable, the netCDF default value will be
+     used.
+
+`valid_minp'
+     If this is not NULL, the valid_min value of the variable will be
+     written at this address by nccf_inq_var_missing. If the valid_min
+     was not defined for the variable, the netCDF default value will be
+     used.
+
+`valid_maxp'
+     If this is not NULL, the valid_max value of the variable will be
+     written at this address by nccf_inq_var_missing. If the valid_max
+     value was not defined for the variable, the netCDF default value
+     will be used.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_def_notes,  Next: nccf_inq_notes,  Prev: nccf_inq_var_missing,  Up: Variables
+
+3.5 Add CF-Recommended Metadata to a File or Variable with
+==========================================================
+
+nccf_def_notes
+
+   This functions writes up to four text attributes for either a
+variable, or an entire file. These text attributes, "institution,"
+"source," "comment," and "references" are recommended by the CF
+Metadata Convention.
+
+Usage
+=====
+
+     int nccf_def_notes(int ncid, int varid, char *units, char *long_name,
+                        char *standard_name, char *institution,
+                        char *source, char *comment, char *references);
+
+`ncid'
+     The ncid of the file.
+
+`varid'
+     The varid of the netCDF variable being described. Use NC_GLOBAL if
+     you wish these attributes to apply to the entire file.
+
+`institution'
+     If non-NULL, this text string will be written as the CF-recommended
+     "institution" attribute.
+
+`source'
+     If non-NULL, this text string will be written as the CF-recommended
+     "source" attribute.
+
+`comment'
+     If non-NULL, this text string will be written as the CF-recommended
+     "comment" attribute.
+
+`references'
+     If non-NULL, this text string will be written as the CF-recommended
+     "references" attribute.
+
+
+Return Codes
+============
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_inq_notes,  Next: nccf_def_latitude,  Prev: nccf_def_notes,  Up: Variables
+
+3.6 Read variable description with nccf_inq_notes
+=================================================
+
+Read any existing CF recommended text attributes from a variable.
+
+Usage
+=====
+
+     int nccf_inq_notes(int ncid, int varid,
+                        size_t *institution_lenp, char *institution,
+                        size_t *source_lenp, char *source,
+                        size_t *comment_lenp, char *comment,
+                        size_t *references_lenp, char *references);
+
+`ncid'
+     The ncid of the file.
+
+`varid'
+     The varid of the netCDF variable.
+
+`institution_lenp'
+     Pointer to size_t which, if not NULL, will get the length of the
+     institution attribute.
+
+`institution'
+     Pointer to char array which, if not NULL, will get the institution
+     string. Memory must be allocated before this function is called.
+     Call this function with a NULL for this parameter to get the size
+     first.
+
+`source_lenp'
+     Pointer to size_t which, if not NULL, will get the length of the
+     source attribute.
+
+`source'
+     Pointer to char array which, if not NULL, will get the source
+     string. Memory must be allocated before this function is called.
+     Call this function with a NULL for this parameter to get the size
+     first.
+
+`comment_lenp'
+     Pointer to size_t which, if not NULL, will get the length of the
+     comment attribute.
+
+`comment'
+     Pointer to char array which, if not NULL, will get the comment
+     string. Memory must be allocated before this function is called.
+     Call this function with a NULL for this parameter to get the size
+     first.
+
+`references_lenp'
+     Pointer to size_t which, if not NULL, will get the length of the
+     references attribute.
+
+`references'
+     Pointer to char array which, if not NULL, will get the references
+     string. Memory must be allocated before this function is called.
+     Call this function with a NULL for this parameter to get the size
+     first.
+
+
+Return Codes
+============
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_def_latitude,  Next: nccf_inq_latitude,  Prev: nccf_inq_notes,  Up: Variables
+
+3.7 Define a coordinate variable and dimension for latitude with nccf_def_latitude
+==================================================================================
+
+Define a coordinate variable and dimension with all the CF recommended
+attribute accessories for latitude.
+
+Usage
+=====
+
+     int nccf_def_latitude(int ncid, size_t len, nc_type xtype,
+                              const char *formula_terms, int *lat_dimidp,
+                              int *lat_varidp);
+
+`ncid'
+     The ncid of the file.
+
+`len'
+     The length of this coordinate dimension.
+
+`xtype'
+     The type of this coordinate variable.
+
+`formula_terms'
+     If non-NULL, a string which will be written as the "formula_terms"
+     attribute on the coordinate variable.
+
+`lat_dimidp'
+     If non-NULL, nccf_def_latitude will write the dimension ID of the
+     netCDF dimension for the latitude here.
+
+`lat_varidp'
+     If non-NULL, nccf_def_latitude will write the variable ID of the
+     netCDF coordinate variable for the latitude here.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_inq_latitude,  Next: nccf_def_longitude,  Prev: nccf_def_latitude,  Up: Variables
+
+3.8 Learn about a latitude coordinate variable and dimension with
+=================================================================
+
+nccf_inq_latitude
+
+   Inquire about a latitude dimension and coordinate variable.
+
+Usage
+=====
+
+     int nccf_inq_latitude(int ncid, size_t *lenp, nc_type *xtypep,
+                              size_t *ft_lenp, char *formula_terms,
+                              int *lat_dimidp, int *lat_varidp);
+
+`ncid'
+     The ncid of the file.
+
+`lenp'
+     If non-NULL, the length of the latitude dimension will be written
+     here by nccf_inq_latitude.
+
+`xtypep'
+     If non-NULL, the type of the coordinate variable will be written
+     here.
+
+`ft_lenp'
+     If non-NULL, the length of the value of the "formula_terms"
+     attribute will be written here by ft_lenp. If there is no
+     "formula_terms" attribute, zero will be written.
+
+`lat_dimidp'
+     If non-NULL, the dimid of the latitude dimension will be written
+     here.
+
+`lat_varidp'
+     If non-NULL, the varid of the latitude coordinate variable will be
+     written here.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_def_longitude,  Next: nccf_inq_longitude,  Prev: nccf_inq_latitude,  Up: Variables
+
+3.9 Define a coordinate variable and dimension for longitude with nccf_def_longitude
+====================================================================================
+
+Define a coordinate variable and dimension with all the CF recommended
+attribute accessories for longitude.
+
+Usage
+=====
+
+     int nccf_def_longitude(int ncid, size_t len, nc_type xtype,
+                              const char *formula_terms, int *lon_dimidp,
+                              int *lon_varidp);
+
+`ncid'
+     The ncid of the file.
+
+`len'
+     The length of this coordinate dimension.
+
+`xtype'
+     The type of this coordinate variable.
+
+`formula_terms'
+     If non-NULL, a string which will be written as the "formula_terms"
+     attribute on the coordinate variable.
+
+`lon_dimidp'
+     If non-NULL, nccf_def_longitude will write the dimension ID of the
+     netCDF dimension for the longitude here.
+
+`lon_varidp'
+     If non-NULL, nccf_def_longitude will write the variable ID of the
+     netCDF coordinate variable for the longitude here.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_inq_longitude,  Next: nccf_def_lvl,  Prev: nccf_def_longitude,  Up: Variables
+
+3.10 Learn about a longitude coordinate variable and dimension with
+===================================================================
+
+nccf_inq_longitude
+
+   Inquire about a longitude dimension and coordinate variable.
+
+Usage
+=====
+
+     int nccf_inq_longitude(int ncid, size_t *lenp, nc_type *xtypep,
+                              size_t *ft_lenp, char *formula_terms,
+                              int *lon_dimidp, int *lon_varidp);
+
+`ncid'
+     The ncid of the file.
+
+`lenp'
+     If non-NULL, the length of the longitude dimension will be written
+     here by nccf_inq_longitude.
+
+`xtypep'
+     If non-NULL, the type of the coordinate variable will be written
+     here.
+
+`ft_lenp'
+     If non-NULL, the length of the value of the "formula_terms"
+     attribute will be written here by ft_lenp. If there is no
+     "formula_terms" attribute, zero will be written.
+
+`lon_dimidp'
+     If non-NULL, the dimid of the longitude dimension will be written
+     here.
+
+`lon_varidp'
+     If non-NULL, the varid of the longitude coordinate variable will be
+     written here.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_def_lvl,  Next: nccf_inq_lvl,  Prev: nccf_inq_longitude,  Up: Variables
+
+3.11 Define a coordinate variable and dimension for level with nccf_def_lvl
+===========================================================================
+
+Define a coordinate variable and dimension with all the CF recommended
+attribute accessories for a vertical level.
+
+Usage
+=====
+
+     int nccf_def_lvl(int ncid, const char *name, size_t len, nc_type xtype,
+                      const char *units, int positive_up, const char *standard_name,
+                      const char *long_name, const char *formula_terms,
+                      int *lvl_dimidp, int *lvl_varidp);
+
+`ncid'
+     The ncid of the file.
+
+`name'
+     The name of the coordinate dimension and variable.
+
+`len'
+     The length of this coordinate dimension and variable.
+
+`xtype'
+     The type of this coordinate variable.
+
+`units'
+     If non-NULL, a string which will be written as the "units"
+     attribute on the coordinate variable.
+
+`positive_up'
+     Set to 0 and the attribute "positive" to "down". Set to any other
+     value to get "up".
+
+`standard_name'
+     If non-NULL, a string which will be written as the "standard_name"
+     attribute on the coordinate variable.
+
+`long_name'
+     If non-NULL, a string which will be written as the "long_name"
+     attribute on the coordinate variable.
+
+`lon_dimidp'
+     If non-NULL, nccf_def_lvl will write the dimension ID of the
+     netCDF dimension for the level here.
+
+`lon_varidp'
+     If non-NULL, nccf_def_lvl will write the variable ID of the netCDF
+     coordinate variable for the level here.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_inq_lvl,  Next: nccf_def_lvl_vert,  Prev: nccf_def_lvl,  Up: Variables
+
+3.12 Learn about a level coordinate variable and dimension with
+===============================================================
+
+nccf_inq_lvl
+
+   Inquire about a level dimension and coordinate variable.
+
+Usage
+=====
+
+     int nccf_inq_lvl(int ncid, char *name, size_t *lenp, nc_type *xtypep,
+                      size_t *ft_lenp, char *formula_terms, int *positive_upp,
+                      int *lvl_dimidp, int *lvl_varidp);
+
+`ncid'
+     The ncid of the file.
+
+`name'
+     If non-NULL, the name of this vertical level dimension (and
+     variable) will be written here.
+
+`lenp'
+     If non-NULL, the length of the level dimension will be written
+     here by nccf_inq_lvl.
+
+`xtypep'
+     If non-NULL, the type of the coordinate variable will be written
+     here.
+
+`ft_lenp'
+     If non-NULL, the length of the value of the "formula_terms"
+     attribute will be written here by ft_lenp. If there is no
+     "formula_terms" attribute, zero will be written.
+
+`positive_upp'
+     If non-NULL, a one will be written here if the "positive" attribute
+     of this coordinate variable is "up", a zero will be written if it
+     is "down".
+
+`lvl_dimidp'
+     If non-NULL, the dimid of the level dimension will be written here.
+
+`lvl_varidp'
+     If non-NULL, the varid of the level coordinate variable will be
+     written here.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_def_lvl_vert,  Next: nccf_inq_lvl_vert,  Prev: nccf_inq_lvl,  Up: Variables
+
+3.13 Define a coordinate variable and dimension for level with nccf_def_lvl
+===========================================================================
+
+Define a unitless vertical coordinate variable and dimension from
+Apendix D of the CF Convention, with all the CF recommended attribute
+accessories for a vertical level.
+
+Usage
+=====
+
+     int nccf_def_lvl_vert(int ncid, int lvl_type, const char *name, nc_type xtype,
+                           size_t len, int *lvl_dimidp, int *lvl_varidp);
+
+`ncid'
+     The ncid of the file.
+
+`lvl_type'
+     One of: CF_VERT_ATM_LN, CF_VERT_SIGMA, CF_VERT_HYBRID_SIGMA,
+     CF_VERT_HYBRID_HEIGHT, CF_VERT_SLEVE, CF_VERT_OCEAN_SIGMA,
+     CF_VERT_OCEAN_S, CF_VERT_OCEAN_SIGMA_Z, CF_VERT_OCEAN_DBL_SIGMA.
+
+`name'
+     The name of the coordinate dimension and variable.
+
+`xtype'
+     The type of this coordinate variable.
+
+`len'
+     The length of this coordinate dimension and variable.
+
+`lvl_dimidp'
+     If non-NULL, the function will write the dimension ID of the
+     netCDF dimension for the level here.
+
+`llvl_varidp'
+     If non-NULL, the function will write the variable ID of the netCDF
+     coordinate variable for the level here.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_inq_lvl_vert,  Next: nccf_def_time,  Prev: nccf_def_lvl_vert,  Up: Variables
+
+3.14 Learn about a level coordinate variable and dimension with
+===============================================================
+
+nccf_inq_lvl
+
+   Inquire about a level dimension and coordinate variable.
+
+Usage
+=====
+
+     int nccf_inq_lvl_vert(int ncid, char *name, nc_type *xtypep, size_t *lenp,
+                           int *lvl_typep, int *lvl_dimidp, int *lvl_varidp);
+
+`ncid'
+     The ncid of the file.
+
+`name'
+     If non-NULL, the name of this vertical level dimension (and
+     variable) will be written here.
+
+`xtypep'
+     If non-NULL, the type of the coordinate variable will be written
+     here.
+
+`lenp'
+     If non-NULL, the length of the level dimension will be written
+     here.
+
+`lvl_typep'
+     If non-NULL, the type of vertical dimension will be written here,
+     one of CF_VERT_ATM_LN, CF_VERT_SIGMA, CF_VERT_HYBRID_SIGMA,
+     CF_VERT_HYBRID_HEIGHT, CF_VERT_SLEVE, CF_VERT_OCEAN_SIGMA,
+     CF_VERT_OCEAN_S, CF_VERT_OCEAN_SIGMA_Z, CF_VERT_OCEAN_DBL_SIGMA.
+
+`lvl_dimidp'
+     If non-NULL, the dimid of the level dimension will be written here.
+
+`lvl_varidp'
+     If non-NULL, the varid of the level coordinate variable will be
+     written here.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_def_time,  Next: nccf_inq_time,  Prev: nccf_inq_lvl_vert,  Up: Variables
+
+3.15 Define a coordinate variable and dimension for time with nccf_def_time
+===========================================================================
+
+Define a coordinate variable and dimension with all the CF recommended
+attribute accessories for time.
+
+Usage
+=====
+
+     int nccf_def_time(int ncid, const char *name, size_t len, nc_type xtype,
+                          const char *units, const char *standard_name, const char *long_name,
+                          const char *formula_terms, int *time_dimidp, int *time_varidp);
+
+`ncid'
+     The ncid of the file.
+
+`len'
+     The length of this coordinate dimension.
+
+`xtype'
+     The type of this coordinate variable.
+
+`formula_terms'
+     If non-NULL, a string which will be written as the "formula_terms"
+     attribute on the coordinate variable.
+
+`lon_dimidp'
+     If non-NULL, nccf_def_time will write the dimension ID of the
+     netCDF dimension for the time here.
+
+`lon_varidp'
+     If non-NULL, nccf_def_time will write the variable ID of the
+     netCDF coordinate variable for the time here.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_inq_time,  Next: nccf_def_ft_sigma,  Prev: nccf_def_time,  Up: Variables
+
+3.16 Learn about a time coordinate variable and dimension with
+==============================================================
+
+nccf_inq_time
+
+   Inquire about a time dimension and coordinate variable.
+
+Usage
+=====
+
+     int nccf_inq_time(int ncid, size_t *lenp, nc_type *xtypep, size_t *ft_lenp,
+                          char *formula_terms, int *time_dimidp, int *time_varidp);
+
+`ncid'
+     The ncid of the file.
+
+`lenp'
+     If non-NULL, the length of the time dimension will be written here
+     by nccf_inq_time.
+
+`xtypep'
+     If non-NULL, the type of the coordinate variable will be written
+     here.
+
+`ft_lenp'
+     If non-NULL, the length of the value of the "formula_terms"
+     attribute will be written here by ft_lenp. If there is no
+     "formula_terms" attribute, zero will be written.
+
+`formula_terms'
+     If non-NULL the value of the "formula_terms" attribute, if any,
+     will be copied here.
+
+`time_dimidp'
+     If non-NULL, the dimid of the time dimension will be written here.
+
+`time_varidp'
+     If non-NULL, the varid of the time coordinate variable will be
+     written here.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_def_ft_sigma,  Next: nccf_inq_lvl_sigma,  Prev: nccf_inq_time,  Up: Variables
+
+3.17 Define atmosphere sigma coordinate.
+========================================
+
+Define formula terms attribute for atmosphere sigma coordinate variable.
+
+Usage
+=====
+
+     int nccf_def_ft_sigma(int ncid, int varid, int ps_varid, int ptop_varid);
+
+`ncid'
+     The ncid of the file.
+
+`varid'
+     The varid of the vertical coordinate variable.
+
+`ps_varid'
+     The variable ID of the ps variable.
+
+`ptop_varid'
+     The variable ID of the ptop variable.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_inq_lvl_sigma,  Next: nccf_def_ft_hybrid_sigma,  Prev: nccf_def_ft_sigma,  Up: Variables
+
+3.18 Inquire about atmosphere sigma coordinate.
+===============================================
+
+nccf_inq_time
+
+   Inquire about atmosphere sigma coordinate.
+
+Usage
+=====
+
+     int nccf_inq_lvl_sigma(int ncid, char *name, nc_type *xtypep, size_t *lenp,
+                            int *ps_varidp, int *ptop_varidp, int *lvl_dimidp,
+                            int *lvl_varidp);
+
+`ncid'
+     The ncid of the file.
+
+`name'
+     If non-NULL, this pointer gets the name of the coordinate variable
+     and dimension.
+
+`xtypep'
+     If non-NULL, the type of the coordinate variable will be written
+     here.
+
+`lenp'
+     If non-NULL, the length of the coordinate dimension will be written
+     here.
+
+`ps_varidp'
+     If non-NULL, the variable ID of the ps variable will be written
+     here.
+
+`ptop_varidp'
+     If non-NULL, the variable ID of the ptop variable will be written
+     here.
+
+`lvl_dimidp'
+     If non-NULL, the dimid of the coordinate dimension will be written
+     here.
+
+`lvl_varidp'
+     If non-NULL, the varid of the coordinate variable will be written
+     here.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_def_ft_hybrid_sigma,  Next: nccf_inq_lvl_hybrid_sigma,  Prev: nccf_inq_lvl_sigma,  Up: Variables
+
+3.19 Define atmosphere sigma coordinate.
+========================================
+
+Define formula terms attribute for atmosphere hybrid sigma coordinate
+variable.
+
+Usage
+=====
+
+     int nccf_def_ft_hybrid_sigma(int ncid, int varid, int a_varid, int b_varid,
+                                  int ps_varid, int p0_varid);
+
+`ncid'
+     The ncid of the file.
+
+`varid'
+     The varid of the vertical coordinate variable.
+
+`a_varid'
+     The variable ID of the a variable.
+
+`b_varid'
+     The variable ID of the b variable.
+
+`ps_varid'
+     The variable ID of the ps variable.
+
+`ptop_varid'
+     The variable ID of the ptop variable.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_inq_lvl_hybrid_sigma,  Next: nccf_def_ft_hybrid_height,  Prev: nccf_def_ft_hybrid_sigma,  Up: Variables
+
+3.20 Inquire about atmosphere sigma coordinate.
+===============================================
+
+Inquire about atmosphere hybrid sigma coordinate.
+
+Usage
+=====
+
+     int nccf_inq_lvl_hybrid_sigma(int ncid, char *name, nc_type *xtypep,
+                                   size_t *lenp, int *a_varidp, int *b_varidp,
+                                   int *ps_varidp, int *p0_varidp, int *lvl_dimidp,
+                                   int *lvl_varidp);
+
+`ncid'
+     The ncid of the file.
+
+`name'
+     If non-NULL, this pointer gets the name of the coordinate variable
+     and dimension.
+
+`xtypep'
+     If non-NULL, the type of the coordinate variable will be written
+     here.
+
+`lenp'
+     If non-NULL, the length of the coordinate dimension will be written
+     here.
+
+`a_varidp'
+     If non-NULL, the variable ID of the a variable will be written
+     here.
+
+`b_varidp'
+     If non-NULL, the variable ID of the b variable will be written
+     here.
+
+`ps_varidp'
+     If non-NULL, the variable ID of the ps variable will be written
+     here.
+
+`ptop_varidp'
+     If non-NULL, the variable ID of the ptop variable will be written
+     here.
+
+`lvl_dimidp'
+     If non-NULL, the dimid of the coordinate dimension will be written
+     here.
+
+`lvl_varidp'
+     If non-NULL, the varid of the coordinate variable will be written
+     here.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_def_ft_hybrid_height,  Next: nccf_inq_lvl_hybrid_height,  Prev: nccf_inq_lvl_hybrid_sigma,  Up: Variables
+
+3.21 The formula_terms attribute for atmosphere hybrid height
+=============================================================
+
+Define formula terms attribute for atmosphere hybrid height coordinate
+variable
+
+Usage
+=====
+
+     int nccf_def_ft_hybrid_height(int ncid, int varid, int a_varid, int b_varid,
+                                   int orog_varid);
+
+`ncid'
+     The ncid of the file.
+
+`varid'
+     The varid of the vertical coordinate variable.
+
+`a_varid'
+     The variable ID of the a variable.
+
+`b_varid'
+     The variable ID of the b variable.
+
+`orog_varid'
+     The variable ID of the orog variable.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_inq_lvl_hybrid_height,  Next: nccf_def_ft_sleve,  Prev: nccf_def_ft_hybrid_height,  Up: Variables
+
+3.22 Inquire about hybrid height coordinate.
+============================================
+
+Inquire about the hybrid height coordinate.
+
+Usage
+=====
+
+     int nccf_inq_lvl_hybrid_height(int ncid, char *name, nc_type *xtypep, size_t *lenp,
+                                    int *a_varidp, int *b_varidp, int *orog_varidp,
+                                    int *lvl_dimidp, int *lvl_varidp);
+
+`ncid'
+     The ncid of the file.
+
+`name'
+     If non-NULL, this pointer gets the name of the coordinate variable
+     and dimension.
+
+`xtypep'
+     If non-NULL, the type of the coordinate variable will be written
+     here.
+
+`lenp'
+     If non-NULL, the length of the coordinate dimension will be written
+     here.
+
+`a_varidp'
+     If non-NULL, the variable ID of the a variable will be written
+     here.
+
+`b_varidp'
+     If non-NULL, the variable ID of the b variable will be written
+     here.
+
+`orog_varidp'
+     If non-NULL, the variable ID of the orog variable will be written
+     here.
+
+`lvl_dimidp'
+     If non-NULL, the dimid of the coordinate dimension will be written
+     here.
+
+`lvl_varidp'
+     If non-NULL, the varid of the coordinate variable will be written
+     here.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_def_ft_sleve,  Next: nccf_inq_lvl_sleve,  Prev: nccf_inq_lvl_hybrid_height,  Up: Variables
+
+3.23 Define atmosphere sleve coordinate.
+========================================
+
+Define formula terms attribute for the atmosphere sleve coordinate
+variable.
+
+Usage
+=====
+
+     int nccf_def_ft_sleve(int ncid, int varid, int a_varid, int b1_varid,
+                           int b2_varid, int ztop_varid, int zsurf1_varid,
+                           int zsurf2_varid);
+
+`ncid'
+     The ncid of the file.
+
+`varid'
+     The varid of the vertical coordinate variable.
+
+`a_varid'
+     The variable ID of the a variable.
+
+`b1_varid'
+     The variable ID of the b1 variable.
+
+`b2_varid'
+     The variable ID of the b2 variable.
+
+`ztop_varid'
+     The variable ID of the ztop variable.
+
+`zsurf1_varid'
+     The variable ID of the zsurf1 variable.
+
+`zsurf2_varid'
+     The variable ID of the zsurf2 variable.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_inq_lvl_sleve,  Next: nccf_def_ft_ocean_sigma,  Prev: nccf_def_ft_sleve,  Up: Variables
+
+3.24 Inquire About Sleve Coordinate.
+====================================
+
+Inquire about the sleve coordinate.
+
+Usage
+=====
+
+     int nccf_inq_lvl_sleve(int ncid, char *name, nc_type *xtypep, size_t *lenp,
+                            int *a_varidp, int *b1_varidp, int *b2_varidp, int *ztop_varidp,
+                            int *zsurf1_varidp, int *zsurf2_varidp, int *lvl_dimidp,
+                            int *lvl_varidp);
+
+`ncid'
+     The ncid of the file.
+
+`name'
+     If non-NULL, this pointer gets the name of the coordinate variable
+     and dimension.
+
+`xtypep'
+     If non-NULL, the type of the coordinate variable will be written
+     here.
+
+`lenp'
+     If non-NULL, the length of the coordinate dimension will be written
+     here.
+
+`a_varidp'
+     If non-NULL, the variable ID of the a variable will be written
+     here.
+
+`b1_varidp'
+     If non-NULL, the variable ID of the b1 variable will be written
+     here.
+
+`b2_varidp'
+     If non-NULL, the variable ID of the b2 variable will be written
+     here.
+
+`ztop_varidp'
+     If non-NULL, the variable ID of the ztop variable will be written
+     here.
+
+`zsurf1_varidp'
+     If non-NULL, the variable ID of the zsurf1 variable will be written
+     here.
+
+`zsurf2_varidp'
+     If non-NULL, the variable ID of the zsurf2 variable will be written
+     here.
+
+`lvl_dimidp'
+     If non-NULL, the dimid of the coordinate dimension will be written
+     here.
+
+`lvl_varidp'
+     If non-NULL, the varid of the coordinate variable will be written
+     here.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_def_ft_ocean_sigma,  Next: nccf_inq_lvl_ocean_sigma,  Prev: nccf_inq_lvl_sleve,  Up: Variables
+
+3.25 Define Ocean Sigma Coordinate.
+===================================
+
+Define the formula terms attribute for the ocean sigma coordinate
+variable.
+
+Usage
+=====
+
+     int nccf_def_ft_ocean_sigma(int ncid, int varid, int eta_varid, int depth_varid);
+
+`ncid'
+     The ncid of the file.
+
+`varid'
+     The varid of the vertical coordinate variable.
+
+`eta_varid'
+     The variable ID of the eta variable.
+
+`depth_varid'
+     The variable ID of the depth variable.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_inq_lvl_ocean_sigma,  Next: nccf_def_ft_ocean_s,  Prev: nccf_def_ft_ocean_sigma,  Up: Variables
+
+3.26 Inquire About Ocean Sigma Coordinate.
+==========================================
+
+Inquire about the ocean sigma coordinate.
+
+Usage
+=====
+
+     int nccf_inq_lvl_ocean_sigma(int ncid, char *name, nc_type *xtypep, size_t *lenp,
+                                  int *eta_varidp, int *depth_varidp, int *lvl_dimidp,
+                                  int *lvl_varidp);
+
+`ncid'
+     The ncid of the file.
+
+`name'
+     If non-NULL, this pointer gets the name of the coordinate variable
+     and dimension.
+
+`xtypep'
+     If non-NULL, the type of the coordinate variable will be written
+     here.
+
+`lenp'
+     If non-NULL, the length of the coordinate dimension will be written
+     here.
+
+`eta_varidp'
+     If non-NULL, the variable ID of the eta variable will be written
+     here.
+
+`lvl_dimidp'
+     If non-NULL, the dimid of the coordinate dimension will be written
+     here.
+
+`lvl_varidp'
+     If non-NULL, the varid of the coordinate variable will be written
+     here.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_def_ft_ocean_s,  Next: nccf_inq_lvl_ocean_s,  Prev: nccf_inq_lvl_ocean_sigma,  Up: Variables
+
+3.27 Define Ocean S Coordinate.
+===============================
+
+Define ocean s coordinate.
+
+Usage
+=====
+
+     int nccf_def_ft_ocean_s(int ncid, const char *name, nc_type xtype, size_t len,
+                              int eta_varid, int depth_varid, int a_varid, int b_varid,
+                              int depth_c_varid, int *lvl_dimidp, int *lvl_varidp);
+
+`ncid'
+     The ncid of the file.
+
+`varid'
+     The varid of the vertical coordinate variable.
+
+`xtype'
+     The type of this coordinate variable.
+
+`len'
+     The length of this coordinate dimension.
+
+`eta_varid'
+     The variable ID of the eta variable.
+
+`depth_varid'
+     The variable ID of the depth variable.
+
+`a_varid'
+     The variable ID of the a variable.
+
+`b_varid'
+     The variable ID of the b variable.
+
+`depth_c_varid'
+     The variable ID of the depth_c variable.
+
+`lvl_dimidp'
+     If non-NULL, the dimension ID of the netCDF coordinate dimension
+     will be written here.
+
+`lvl_varidp'
+     If non-NULL, the variable ID of the netCDF coordinate variable
+     will be written here.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_inq_lvl_ocean_s,  Next: nccf_def_ft_ocean_sigma_z,  Prev: nccf_def_ft_ocean_s,  Up: Variables
+
+3.28 Inquire About Ocean S Coordinate.
+======================================
+
+nccf_inq_time
+
+   Inquire about the ocean s coordinate.
+
+Usage
+=====
+
+     int nccf_inq_lvl_ocean_s(int ncid, char *name, nc_type *xtypep, size_t *lenp,
+                              int *eta_varidp, int *depth_varidp, int *a_varidp, int *b_varidp,
+                              int *depth_c_varidp, int *lvl_dimidp, int *lvl_varidp);
+
+`ncid'
+     The ncid of the file.
+
+`name'
+     If non-NULL, this pointer gets the name of the coordinate variable
+     and dimension.
+
+`xtypep'
+     If non-NULL, the type of the coordinate variable will be written
+     here.
+
+`lenp'
+     If non-NULL, the length of the coordinate dimension will be written
+     here.
+
+`eta_varidp'
+     If non-NULL, the variable ID of the eta variable will be written
+     here.
+
+`depth_varidp'
+     If non-NULL, the variable ID of the depth variable will be written
+     here.
+
+`a_varidp'
+     If non-NULL, the variable ID of the a variable will be written
+     here.
+
+`b_varidp'
+     If non-NULL, the variable ID of the b variable will be written
+     here.
+
+`depth_c_varidp'
+     If non-NULL, the variable ID of the depth_c variable will be
+     written here.
+
+`lvl_dimidp'
+     If non-NULL, the dimid of the coordinate dimension will be written
+     here.
+
+`lvl_varidp'
+     If non-NULL, the varid of the coordinate variable will be written
+     here.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_def_ft_ocean_sigma_z,  Next: nccf_inq_lvl_ocean_sigma_z,  Prev: nccf_inq_lvl_ocean_s,  Up: Variables
+
+3.29 Define Ocean Sigma Z Coordinate.
+=====================================
+
+Define ocean sigma z coordinate.
+
+Usage
+=====
+
+     int nccf_def_ft_ocean_sigma_z(int ncid, const char *name, nc_type xtype,
+                                    size_t len, int eta_varid, int depth_varid,
+                                    int depth_c_varid, int nsigma_varid,
+                                    int zlev_varid, int *lvl_dimidp, int *lvl_varidp);
+
+`ncid'
+     The ncid of the file.
+
+`varid'
+     The varid of the vertical coordinate variable.
+
+`xtype'
+     The type of this coordinate variable.
+
+`len'
+     The length of this coordinate dimension.
+
+`eta_varid'
+     The variable ID of the eta variable.
+
+`depth_varid'
+     The variable ID of the depth variable.
+
+`depth_c_varid'
+     The variable ID of the depth_c variable.
+
+`nsigma_varid'
+     The variable ID of the nsigma variable.
+
+`zlev_varid'
+     The variable ID of the zlev variable.
+
+`lvl_dimidp'
+     If non-NULL, the dimension ID of the netCDF coordinate dimension
+     will be written here.
+
+`lvl_varidp'
+     If non-NULL, the variable ID of the netCDF coordinate variable
+     will be written here.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_inq_lvl_ocean_sigma_z,  Next: nccf_def_ft_ocean_dbl_sigma,  Prev: nccf_def_ft_ocean_sigma_z,  Up: Variables
+
+3.30 Inquire About Ocean Sigma Z Coordinate.
+============================================
+
+Inquire about the ocean sigma z coordinate.
+
+Usage
+=====
+
+     int nccf_inq_lvl_ocean_sigma_z(int ncid, char *name, nc_type *xtypep, size_t *lenp,
+                                    int *eta_varidp, int *depth_varidp, int *depth_c_varidp,
+                                    int *nsigma_varidp, int *zlev_varidp, int *lvl_dimidp,
+                                    int *lvl_varidp);
+
+`ncid'
+     The ncid of the file.
+
+`name'
+     If non-NULL, this pointer gets the name of the coordinate variable
+     and dimension.
+
+`xtypep'
+     If non-NULL, the type of the coordinate variable will be written
+     here.
+
+`lenp'
+     If non-NULL, the length of the coordinate dimension will be written
+     here.
+
+`eta_varidp'
+     If non-NULL, the variable ID of the eta variable will be written
+     here.
+
+`depth_varidp'
+     If non-NULL, the variable ID of the depth variable will be written
+     here.
+
+`depth_c_varidp'
+     If non-NULL, the variable ID of the depth_c variable will be
+     written here.
+
+`nsigma_varidp'
+     If non-NULL, the variable ID of the nsigma variable will be written
+     here.
+
+`zlev_varidp'
+     If non-NULL, the variable ID of the zlev variable will be written
+     here.
+
+`lvl_dimidp'
+     If non-NULL, the dimid of the coordinate dimension will be written
+     here.
+
+`lvl_varidp'
+     If non-NULL, the varid of the coordinate variable will be written
+     here.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_def_ft_ocean_dbl_sigma,  Next: nccf_inq_lvl_ocean_dbl_sigma,  Prev: nccf_inq_lvl_ocean_sigma_z,  Up: Variables
+
+3.31 Define Ocean Double Sigma Coordinate.
+==========================================
+
+Define ocean double sigma coordinate.
+
+Usage
+=====
+
+     int nccf_def_ft_ocean_dbl_sigma(int ncid, const char *name, nc_type xtype, size_t len,
+                                      int depth_varid, int z1_varid, int z2_varid, int a_varid,
+                                      int href_varid, int k_c_varid, int *lvl_dimidp,
+                                      int *lvl_varidp);
+
+`ncid'
+     The ncid of the file.
+
+`varid'
+     The varid of the vertical coordinate variable.
+
+`xtype'
+     The type of this coordinate variable.
+
+`len'
+     The length of this coordinate dimension.
+
+`depth_varid'
+     The variable ID of the depth variable.
+
+`z1_varid'
+     The variable ID of the z1 variable.
+
+`z2_varid'
+     The variable ID of the z2 variable.
+
+`a_varid'
+     The variable ID of the a variable.
+
+`href_varid'
+     The variable ID of the href variable.
+
+`k_c_varid'
+     The variable ID of the k_c variable.
+
+`lvl_dimidp'
+     If non-NULL, the dimension ID of the netCDF coordinate dimension
+     will be written here.
+
+`lvl_varidp'
+     If non-NULL, the variable ID of the netCDF coordinate variable
+     will be written here.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_inq_lvl_ocean_dbl_sigma,  Next: nccf_get_vara,  Prev: nccf_def_ft_ocean_dbl_sigma,  Up: Variables
+
+3.32 Inquire About Ocean Double Sigma Coordinate.
+=================================================
+
+Inquire about the ocean double sigma coordinate.
+
+Usage
+=====
+
+     int nccf_inq_lvl_ocean_dbl_sigma(int ncid, char *name, nc_type *xtypep, size_t *lenp,
+                                      int *depth_varidp, int *z1_varidp, int *z2_varidp,
+                                      int *a_varidp, int *href_varidp, int *k_c_varidp,
+                                      int *lvl_dimidp, int *lvl_varidp);
+
+`ncid'
+     The ncid of the file.
+
+`name'
+     If non-NULL, this pointer gets the name of the coordinate variable
+     and dimension.
+
+`xtypep'
+     If non-NULL, the type of the coordinate variable will be written
+     here.
+
+`lenp'
+     If non-NULL, the length of the coordinate dimension will be written
+     here.
+
+`depth_varidp'
+     If non-NULL, the variable ID of the depth variable will be written
+     here.
+
+`z1_varidp'
+     If non-NULL, the variable ID of the z1 variable will be written
+     here.
+
+`z2_varidp'
+     If non-NULL, the variable ID of the z2 variable will be written
+     here.
+
+`a_varidp'
+     If non-NULL, the variable ID of the a variable will be written
+     here.
+
+`href_varidp'
+     If non-NULL, the variable ID of the href variable will be written
+     here.
+
+`k_c_varidp'
+     If non-NULL, the variable ID of the k_c variable will be written
+     here.
+
+`lvl_dimidp'
+     If non-NULL, the dimid of the coordinate dimension will be written
+     here.
+
+`lvl_varidp'
+     If non-NULL, the varid of the coordinate variable will be written
+     here.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf_get_vara,  Prev: nccf_inq_lvl_ocean_dbl_sigma,  Up: Variables
+
+3.33 Get a geographic subset of the data.
+=========================================
+
+Get a geographic subset of the data.
+
+Usage
+=====
+
+        int nccf_get_vara(int ncid, int varid, float *lat_bounds, int *nlat, float *lon_bounds,
+     		     int *nlon, int *lvl_index, int *nlvl, int rec, void *data);
+
+`ncid'
+     The ncid of the file.
+
+`varid'
+     The varid of the data variable from which the subset will be taken.
+
+`lat_bounds'
+     A length two array, this holds the latitude start and stop values
+     for the range of interest.
+
+`nlat'
+     A pointer to an integer which will get the number of latitude
+     values which fall within the range.
+
+`lon_bounds'
+     A length two array, this holds the longitude start and stop values
+     for the range of interest. (Wrapping around the dateline is not
+     allowed!)
+
+`nlon'
+     A pointer to an integer which will get the number of longitude
+     values which fall within the range.
+
+`lvl_index'
+     A zero-based index number for the verticle level of interest to the
+     subsetter. (Ignored if data has no vertical axis).
+
+`timestep'
+     A zero-based index number for the timestep of interest to the
+     subsetter. (Ignored if data has no time axis).
+
+`data'
+     A pointer to which the data subset will be written. Memory must be
+     allocated (and deallocated) by the user.
+
+
+Return Codes
+============
+
+This function returns zero for success, or an error code for failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: Coordinates,  Next: Combined Index,  Prev: Variables,  Up: Top
+
+4 Coordinate Systems
+********************
+
+* Menu:
+
+* nccf-def-axis-type::
+* nccf-inq-axis-type::
+* nccf-def-coord-system::
+* nccf-inq-coord-system::
+* nccf-assign-coord-system::
+* nccf-def-transform::
+* nccf-inq-transform::
+* nccf-assign-transform::
+
+
+File: libcf.info,  Node: nccf-def-axis-type,  Next: nccf-inq-axis-type,  Prev: Coordinates,  Up: Coordinates
+
+4.1 Label the axis type of a coordinate var with nccf_def_axis_type
+===================================================================
+
+Usage
+=====
+
+     int
+     nccf_def_axis_type(int ncid, int varid, int axis_type);
+
+`ncid'
+     The ncid of the file.
+
+
+Return Codes
+============
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf-inq-axis-type,  Next: nccf-def-coord-system,  Prev: nccf-def-axis-type,  Up: Coordinates
+
+4.2 Find out the axis type of a coordinate var with nccf_inq_axis_type
+======================================================================
+
+Usage
+=====
+
+     int
+     nccf_inq_axis_type(int ncid, int varid, int *axis_type);
+
+`ncid'
+     The ncid of the file.
+
+
+Return Codes
+============
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf-def-coord-system,  Next: nccf-inq-coord-system,  Prev: nccf-inq-axis-type,  Up: Coordinates
+
+4.3 Define a coordinate system with nccf_def_coord_system
+=========================================================
+
+Usage
+=====
+
+     int
+     nccf_def_coord_system(int ncid, const char *name, int naxes, int *axis_varids,
+                         int *system_varid);
+
+   Define a coordinate system consisting of naxes axes, each axis
+represented by a coordinate varid in the axis_varids array. This create
+a new (scalar, NC_CHAR) var, whose varid is returned in system_varid.
+
+`ncid'
+     The ncid of the file.
+
+
+Return Codes
+============
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf-inq-coord-system,  Next: nccf-assign-coord-system,  Prev: nccf-def-coord-system,  Up: Coordinates
+
+4.4 Find out about a coordinate system with nccf_inq_coord_system
+=================================================================
+
+Usage
+=====
+
+     int
+     nccf_inq_coord_system(int ncid, int system_varid, char *name,
+                         int *naxes, int *axis_varids);
+
+   Find out about a coordinate system, it's name, number of axes, and
+the varid of each axis coordinate var.
+
+`ncid'
+     The ncid of the file.
+
+
+Return Codes
+============
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf-assign-coord-system,  Next: nccf-def-transform,  Prev: nccf-inq-coord-system,  Up: Coordinates
+
+4.5 Assign a coordinate system to a var with nccf_assign_coord_system
+=====================================================================
+
+Usage
+=====
+
+     int
+     nccf_assign_coord_system(int ncid, int varid, int system_varid);
+
+   Assign a coordinate system to a var. This adds an attribute to the
+var.
+
+`ncid'
+     The ncid of the file.
+
+
+Return Codes
+============
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf-def-transform,  Next: nccf-inq-transform,  Prev: nccf-assign-coord-system,  Up: Coordinates
+
+4.6 Define a coordinate transform with nccf_def_transform
+=========================================================
+
+Usage
+=====
+
+     int
+     nccf_def_transform(int ncid, const char *name, const char *transform_type,
+                      const char *transform_name, int *transform_varid);
+
+   Define a coordinate transform. This adds a (scalar, NC_CHAR) var,
+which contains some attributes. The varid of this new variable is
+returned in transform_varid.
+
+`ncid'
+     The ncid of the file.
+
+
+Return Codes
+============
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf-inq-transform,  Next: nccf-assign-transform,  Prev: nccf-def-transform,  Up: Coordinates
+
+4.7 Find out about a coordinate transform with nccf_inq_transform
+=================================================================
+
+Usage
+=====
+
+     int
+     nccf_inq_transform(int ncid, int transform_varid, char *name, size_t *type_len,
+                      char *transform_type, size_t *name_len, char *transform_name);
+
+   Find out about a coordinate transform, it's name, and the contents
+of the transform_type and transform_name attributes. Pass NULL for any
+that you're not interested in. Pass NULL for transform_type and
+transform_name to get their lengths with type_len and name_len.
+
+`ncid'
+     The ncid of the file.
+
+
+Return Codes
+============
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: nccf-assign-transform,  Prev: nccf-inq-transform,  Up: Coordinates
+
+4.8 Assign a coordinate transform to a coordinate system with nccf_assign_transform
+===================================================================================
+
+Usage
+=====
+
+     int
+     nccf_assign_transform(int ncid, int system_varid, int transform_varid);
+
+   Assign a coordinate transform to a coordinate system. This adds an
+attribute to the variable that holds the coordinate system attributes.
+
+`ncid'
+     The ncid of the file.
+
+
+Return Codes
+============
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+Example
+=======
+
+
+
+File: libcf.info,  Node: Combined Index,  Prev: Coordinates,  Up: Top
+
+Index
+*****
+
+ [index ]
+* Menu:
+
+* API, C:                                Summary.               (line 6)
+* API, F90:                              Summary.               (line 6)
+* API, Fortran:                          Summary.               (line 6)
+* supported programming languages:       Summary.               (line 6)
+
+
+
+Tag Table:
+Node: Top1366
+Node: Summary1786
+Node: Installation3094
+Node: cfcheck4582
+Node: Files4833
+Node: nccf_def_convention5043
+Node: nccf_inq_convention5634
+Node: nccf_def_file6510
+Node: nccf_inq_file7828
+Node: nccf_add_history11119
+Node: Variables11691
+Node: nccf_def_var12594
+Node: nccf_inq_var13727
+Node: nccf_def_var_missing15873
+Node: nccf_inq_var_missing17201
+Node: nccf_def_notes18668
+Node: nccf_inq_notes20108
+Node: nccf_def_latitude22298
+Node: nccf_inq_latitude23542
+Node: nccf_def_longitude24835
+Node: nccf_inq_longitude26094
+Node: nccf_def_lvl27394
+Node: nccf_inq_lvl29142
+Node: nccf_def_lvl_vert30689
+Node: nccf_inq_lvl_vert32094
+Node: nccf_def_time33492
+Node: nccf_inq_time34774
+Node: nccf_def_ft_sigma36101
+Node: nccf_inq_lvl_sigma36785
+Node: nccf_def_ft_hybrid_sigma38104
+Node: nccf_inq_lvl_hybrid_sigma38981
+Node: nccf_def_ft_hybrid_height40570
+Node: nccf_inq_lvl_hybrid_height41435
+Node: nccf_def_ft_sleve42867
+Node: nccf_inq_lvl_sleve43911
+Node: nccf_def_ft_ocean_sigma45667
+Node: nccf_inq_lvl_ocean_sigma46373
+Node: nccf_def_ft_ocean_s47595
+Node: nccf_inq_lvl_ocean_s48901
+Node: nccf_def_ft_ocean_sigma_z50550
+Node: nccf_inq_lvl_ocean_sigma_z51960
+Node: nccf_def_ft_ocean_dbl_sigma53701
+Node: nccf_inq_lvl_ocean_dbl_sigma55181
+Node: nccf_get_vara57014
+Node: Coordinates58567
+Node: nccf-def-axis-type58910
+Node: nccf-inq-axis-type59401
+Node: nccf-def-coord-system59909
+Node: nccf-inq-coord-system60670
+Node: nccf-assign-coord-system61348
+Node: nccf-def-transform61944
+Node: nccf-inq-transform62685
+Node: nccf-assign-transform63561
+Node: Combined Index64225
+
+End Tag Table
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+%%EndFont 
+%%BeginFont: CMTT10
+%!PS-AdobeFont-1.1: CMTT10 1.00B
+%%CreationDate: 1992 Apr 26 10:42:42
+% Copyright (C) 1997 American Mathematical Society. All Rights Reserved.
+11 dict begin
+/FontInfo 7 dict dup begin
+/version (1.00B) readonly def
+/Notice (Copyright (C) 1997 American Mathematical Society. All Rights Reserved) readonly def
+/FullName (CMTT10) readonly def
+/FamilyName (Computer Modern) readonly def
+/Weight (Medium) readonly def
+/ItalicAngle 0 def
+/isFixedPitch true def
+end readonly def
+/FontName /CMTT10 def
+/PaintType 0 def
+/FontType 1 def
+/FontMatrix [0.001 0 0 0.001 0 0] readonly def
+/Encoding 256 array
+0 1 255 {1 index exch /.notdef put} for
+dup 38 /ampersand put
+dup 40 /parenleft put
+dup 41 /parenright put
+dup 42 /asterisk put
+dup 44 /comma put
+dup 45 /hyphen put
+dup 46 /period put
+dup 47 /slash put
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+dup 49 /one put
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+readonly def
+/FontBBox{-4 -235 731 800}readonly def
+currentdict end
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+%%CreationDate: 1991 Aug 18 17:46:30
+% Copyright (C) 1997 American Mathematical Society. All Rights Reserved.
+11 dict begin
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+%%CreationDate: 1991 Aug 20 16:34:54
+% Copyright (C) 1997 American Mathematical Society. All Rights Reserved.
+11 dict begin
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+%%CreationDate: 1991 Aug 15 07:20:57
+% Copyright (C) 1997 American Mathematical Society. All Rights Reserved.
+11 dict begin
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+/Weight (Medium) readonly def
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+readonly def
+/FontBBox{-29 -960 1116 775}readonly def
+currentdict end
+currentfile eexec
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+cleartomark
+%%EndFont 
+%%BeginFont: CMR10
+%!PS-AdobeFont-1.1: CMR10 1.00B
+%%CreationDate: 1992 Feb 19 19:54:52
+% Copyright (C) 1997 American Mathematical Society. All Rights Reserved.
+11 dict begin
+/FontInfo 7 dict dup begin
+/version (1.00B) readonly def
+/Notice (Copyright (C) 1997 American Mathematical Society. All Rights Reserved) readonly def
+/FullName (CMR10) readonly def
+/FamilyName (Computer Modern) readonly def
+/Weight (Medium) readonly def
+/ItalicAngle 0 def
+/isFixedPitch false def
+end readonly def
+/FontName /CMR10 def
+/PaintType 0 def
+/FontType 1 def
+/FontMatrix [0.001 0 0 0.001 0 0] readonly def
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+dup 12 /fi put
+dup 13 /fl put
+dup 33 /exclam put
+dup 34 /quotedblright put
+dup 39 /quoteright put
+dup 40 /parenleft put
+dup 41 /parenright put
+dup 42 /asterisk put
+dup 44 /comma put
+dup 45 /hyphen put
+dup 46 /period put
+dup 47 /slash put
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+dup 58 /colon put
+dup 59 /semicolon put
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+dup 118 /v put
+dup 119 /w put
+dup 120 /x put
+dup 121 /y put
+dup 122 /z put
+readonly def
+/FontBBox{-251 -250 1009 969}readonly def
+currentdict end
+currentfile eexec
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diff --git a/doc/libcf.texi b/doc/libcf.texi
new file mode 100644
index 0000000..b2b971c
--- /dev/null
+++ b/doc/libcf.texi
@@ -0,0 +1,2546 @@
+\input texinfo @c -*-texinfo-*-
+ at comment $Id: libcf.texi,v 1.11 2007/05/02 20:29:47 ed Exp $
+ at c %**start of header
+ at setfilename libcf.info
+ at settitle The CF Library Users Guide 
+ at setcontentsaftertitlepage
+ at c Combine the variable, concept, and function indices.
+ at synindex vr cp
+ at synindex fn cp
+ at c %**end of header
+
+ at c version.texi is automatically generated by automake and contains
+ at c defined variables VERSION, UPDATED, UPDATED-MONTH.
+ at include version.texi
+ at include defines.texi
+
+ at ifinfo
+ at dircategory netCDF CF Library
+ at direntry
+* libcf: (libcf).         @value{libcf-man}
+ at end direntry
+ at end ifinfo
+
+ at titlepage
+ at title @value{libcf-man}
+ at subtitle Version @value{VERSION}
+ at subtitle @value{UPDATED-MONTH}
+ at author Ed Hartnett
+ at author Unidata Program Center
+ at page
+ at vskip 0pt plus 1filll
+ at insertcopying
+ at end titlepage
+
+ at ifnottex
+ at node Top, Summary, (dir), (dir)
+ at top @value{libcf-man}
+
+This guide describes libcf, the netCDF CF Library. This document
+applies to libcf version @value{VERSION}, and was last updated on
+ at value{UPDATED}.
+
+ at end ifnottex
+
+ at menu
+* Summary::                     
+* Installation::                
+* cfcheck::                     
+* Files::                       
+* Variables::                   
+* Coordinates::                 
+* Combined Index::              
+ at end menu
+
+ at node Summary, Installation, Top, Top
+ at unnumbered Summary
+ at cindex supported programming languages
+ at cindex API, C
+ at cindex API, Fortran
+ at cindex API, F90
+
+The CF conventions for climate and forecast metadata are designed to
+promote the processing and sharing of files created with the netCDF
+API.
+
+This library, libcf, makes it easier to create and work with data
+files which conform to the CF conventions.
+
+The functions of the CF library are intended to be interspersed with
+netCDF library calls. That is, the programmer will open or create a
+netCDF file with the netCDF API, and then add or read metadata with
+libcf library functions, then continue to working with the netCDF API
+to read and write data.
+
+By using libcf, a data producer can produce files that conform to the
+CF standards, without having to write netCDF code to create and decode
+all the attributes that the CF convention uses to store meta-data. A
+data consumer can use libcf to read any file which conforms to the CF
+conventions; the file does not need to be created with libcf to be
+read by libcf.
+
+Fortran-77 wrapper functions provide a Fortran 77 API, just as is done
+with netCDF itself. A Fortran 90 API is planned, but not yet begun.
+
+For more information about the CF Conventions, see the CF Metadata
+web site at @uref{@value{cf-url}}.
+
+ at node Installation, cfcheck, Summary, Top
+ at unnumbered Downloading and Installing libcf
+
+Currently, and for some time to come, libcf is in alpha release. The
+code is tested, but not extensively. The API may be extended, and
+possibly changed, in each release.
+
+You must have either netCDF-3 (or netCDF-4) installed. And reasonably
+recent version of netCDF should work. libcf is tested with netCDF
+3.6.2-beta4.
+
+Get the latest version of the libcf tarball at the libcf ftp site:
+ at value{ftp-site}
+
+Unpack the tarball, and run:
+
+ at example
+./configure --with-netcdf=/my/netcdf --prefix=/my/libcf && make check install > output.txt
+ at end example
+
+Where /my/netcdf is the root install directory of the netCDF library
+you want to use, and /my/libcf is the root directory where you want
+libcf installed. (They may be the same directory.) 
+
+If you wish to use netCDF-4, you must also have HDF5 and libz, the
+compression library, installed. In this case, configure libcf like
+this:
+
+ at example
+./configure --with-netcdf=/s/n4_new1/install --enable-netcdf-4 --with-hdf5=/home/ed/local/s && make check install > output.txt
+ at end example
+
+If the build does not work for you, please email libcf support:
+ at value{libcf-support-email}. Please send the *complete* output of the
+configure and build output, in ASCII (the output.txt file produced by
+the above build commands), and the file config.log, which is generated
+by the configure script.
+
+ at node cfcheck, Files, Installation, Top
+ at chapter The cfcheck Utility
+
+The cfchck utility will chck a file to see if it contains valid CF
+metadata. Messages about the file are printed to stdout.
+
+ at node Files, Variables, cfcheck, Top
+ at chapter Files
+
+ at menu
+* nccf_def_convention::         
+* nccf_inq_convention::         
+* nccf_def_file::               
+* nccf_inq_file::               
+* nccf_add_history::            
+ at end menu
+
+ at node nccf_def_convention, nccf_inq_convention, Files, Files
+ at section Mark a File as Conforming to CF Conventions
+
+Mark the file as following CF-1.0 conventions.
+
+This functions is called automatically by nccf_def_file, so need not
+be called by the user if nccf_def_file is being called.
+
+ at heading Usage 
+
+ at example
+   int nccf_def_convention(int ncid);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_inq_convention, nccf_def_file, nccf_def_convention, Files
+ at section Determine if a File Claims to Conform to CF Conventions
+
+Determine if the file claims to follow CF-1.0 conventions. This
+function only checks the global ``Conventions'' attribute. It does not
+look at file metadata to ensure that this is a well-formed CF file. It
+only tells whether the file claims to be a CF file.
+
+ at heading Usage 
+
+ at example
+   int nccf_inq_convention(int ncid, int *cf_convention);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item cf_conventions
+If this pointer to an int is provided, a 1 is written there if this
+file claims to follow CF 1.0 conventions, a 0 otherwise.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_def_file, nccf_inq_file, nccf_inq_convention, Files
+ at section Add description to the data with nccf_def_file
+
+Add some or all of the CF recommended text attributes to a file. Any
+parameters which are set to NULL will be ignored.
+
+ at heading Usage 
+
+ at example
+int nccf_def_file(int ncid, char *title, char *history, char *institution, 
+                  char *source, char *comment, char *references);
+ at end example
+
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item title
+If non-NULL, this text string will be written as the CF-recommended
+``title'' attribute.
+
+ at item history
+If non-NULL, this text string will be written as the CF-recommended
+``history'' attribute.
+
+ at item institution
+If non-NULL, this text string will be written as the CF-recommended
+``institution'' attribute.
+
+ at item source
+If non-NULL, this text string will be written as the CF-recommended
+``source'' attribute.
+
+ at item comment
+If non-NULL, this text string will be written as the CF-recommended
+``comment'' attribute.
+
+ at item references
+If non-NULL, this text string will be written as the CF-recommended
+``references'' attribute.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_inq_file, nccf_add_history, nccf_def_file, Files
+ at section Read the description of the data with nccf_inq_file
+
+Read any existing CF recommended text attributes from the file.
+
+Recall that in C, strlens do not include the null terminator. To get
+the lengths before the strings (in order to allocated) pass NULL for
+any or all strings and the lengths will be returned. Then call the
+function again after allocating memory.
+
+The CF version is guaranteed to be less than NC_MAX_NAME.
+
+Any of these pointer arguments may be NULL, in which case it will be
+ignored.
+
+ at heading Usage 
+
+ at example
+int nccf_inq_file(int ncid, size_t *title_lenp, char *title, 
+                  size_t *history_lenp, char *history, 
+                  size_t *institution_lenp, char *institution, 
+                  size_t *source_lenp, char *source, 
+                  size_t *comment_lenp, char *comment,
+                  size_t *references_lenp, char *references);
+ at end example
+
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item title_lenp
+Pointer to size_t which, if not NULL, will get the length of the title
+attribute.
+
+ at item title
+Pointer to char array which, if not NULL, will get the title
+string. Memory must be allocated before this function is called. Call
+this function with a NULL for this parameter to get the size first.
+
+ at item history_lenp
+Pointer to size_t which, if not NULL, will get the length of the history
+attribute.
+
+ at item history
+Pointer to char array which, if not NULL, will get the history
+string. Memory must be allocated before this function is called. Call
+this function with a NULL for this parameter to get the size first.
+
+ at item institution_lenp
+Pointer to size_t which, if not NULL, will get the length of the institution
+attribute.
+
+ at item institution
+Pointer to char array which, if not NULL, will get the institution
+string. Memory must be allocated before this function is called. Call
+this function with a NULL for this parameter to get the size first.
+
+ at item source_lenp
+Pointer to size_t which, if not NULL, will get the length of the source
+attribute.
+
+ at item source
+Pointer to char array which, if not NULL, will get the source
+string. Memory must be allocated before this function is called. Call
+this function with a NULL for this parameter to get the size first.
+
+ at item comment_lenp
+Pointer to size_t which, if not NULL, will get the length of the comment
+attribute.
+
+ at item comment
+Pointer to char array which, if not NULL, will get the comment
+string. Memory must be allocated before this function is called. Call
+this function with a NULL for this parameter to get the size first.
+
+ at item references_lenp
+Pointer to size_t which, if not NULL, will get the length of the references
+attribute.
+
+ at item references
+Pointer to char array which, if not NULL, will get the references
+string. Memory must be allocated before this function is called. Call
+this function with a NULL for this parameter to get the size first.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_add_history,  , nccf_inq_file, Files
+ at section Append to a History Attribute
+
+This function appends a time-stamped history string to the history
+attribute, creating the attribute if it doesn't already exist.
+
+ at heading Usage 
+
+ at example
+int nccf_add_history(int ncid, const char *history);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item history
+The string to append to the history attribute. 
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node Variables, Coordinates, Files, Top
+ at chapter Variables
+
+ at menu
+* nccf_def_var::                
+* nccf_inq_var::                
+* nccf_def_var_missing::        
+* nccf_inq_var_missing::        
+* nccf_def_notes::              
+* nccf_inq_notes::              
+* nccf_def_latitude::           
+* nccf_inq_latitude::           
+* nccf_def_longitude::          
+* nccf_inq_longitude::          
+* nccf_def_lvl::                
+* nccf_inq_lvl::                
+* nccf_def_lvl_vert::           
+* nccf_inq_lvl_vert::           
+* nccf_def_time::               
+* nccf_inq_time::               
+* nccf_def_ft_sigma::           
+* nccf_inq_lvl_sigma::          
+* nccf_def_ft_hybrid_sigma::    
+* nccf_inq_lvl_hybrid_sigma::   
+* nccf_def_ft_hybrid_height::   
+* nccf_inq_lvl_hybrid_height::  
+* nccf_def_ft_sleve::           
+* nccf_inq_lvl_sleve::          
+* nccf_def_ft_ocean_sigma::     
+* nccf_inq_lvl_ocean_sigma::    
+* nccf_def_ft_ocean_s::         
+* nccf_inq_lvl_ocean_s::        
+* nccf_def_ft_ocean_sigma_z::   
+* nccf_inq_lvl_ocean_sigma_z::  
+* nccf_def_ft_ocean_dbl_sigma::  
+* nccf_inq_lvl_ocean_dbl_sigma::  
+* nccf_get_vara::               
+ at end menu
+
+ at node nccf_def_var, nccf_inq_var, Variables, Variables
+ at section Add description to a variable with nccf_def_var
+
+ at heading Usage 
+
+ at example
+int nccf_def_var(int ncid, int varid, const char *units, 
+                    const char *long_name, const char *standard_name, 
+                    int ncoord_vars, int *coord_varids);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item varid
+The varid of the netCDF variable being described.
+
+ at item units
+If non-NULL, this text string will be written as the CF-recommended
+``units'' attribute.
+
+ at item long_name
+If non-NULL, this text string will be written as the CF-recommended
+``long_name'' attribute.
+
+ at item standard_name
+If non-NULL, this text string will be written as the CF-recommended
+``standard_name'' attribute.
+
+ at item ncoord_vars
+Number of coordinate variables for this variable.
+
+ at item coord_varids
+The variable IDs of the coordinate variables for this variable.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_inq_var, nccf_def_var_missing, nccf_def_var, Variables
+ at section Read variable description with nccf_inq_var
+
+Read any existing CF recommended text attributes from a variable. 
+
+ at heading Usage 
+
+ at example
+int nccf_inq_var(int ncid, int varid, size_t *units_lenp, char *units, 
+                 size_t *long_name_lenp, char *long_name, 
+                 size_t *standard_name_lenp, char *standard_name,
+                 int *ncoord_vars, int *coord_varids);
+
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item varid
+The varid of the netCDF variable.
+
+ at item units_lenp
+Pointer to size_t which, if not NULL, will get the length of the units
+attribute.
+
+ at item units
+Pointer to char array which, if not NULL, will get the long_name
+string. Memory must be allocated before this function is called. Call
+this function with a NULL for this parameter to get the size first.
+
+ at item long_name_lenp
+Pointer to size_t which, if not NULL, will get the length of the long_name
+attribute.
+
+ at item long_name
+Pointer to char array which, if not NULL, will get the long_name
+string. Memory must be allocated before this function is called. Call
+this function with a NULL for this parameter to get the size first.
+
+ at item standard_name_lenp
+Pointer to size_t which, if not NULL, will get the length of the standard_name
+attribute.
+
+ at item standard_name
+Pointer to char array which, if not NULL, will get the standard_name
+string. Memory must be allocated before this function is called. Call
+this function with a NULL for this parameter to get the size first.
+
+ at item ncoord_vars
+Pointer to an integer, which, if non-NULL, will get the number of
+coordinate variables identified in the ``coordinates'' attribute.
+
+ at item coord_varids
+Pointer to an array of integer, which, if non-NULL, will be filled
+with the variable IDs of the variables listed int he ``coordinates''
+attribute.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_def_var_missing, nccf_inq_var_missing, nccf_inq_var, Variables
+ at section Define missing data values for a variable with nccf_def_var_missing
+nccf_def_notes
+
+This function sets the ``fill_value'', ``valid_min'', and
+``valid_max'' attributes.
+
+ at heading Usage 
+
+ at example
+int nccf_def_var_missing(int ncid, int varid, const void *fill_valuep, 
+                            const void *valid_minp, const void *valid_maxp);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item varid
+The varid of the netCDF variable being described. 
+
+ at item fill_valuep
+If non-NULL, this will point to a value of the same type as this
+varid, which will be used as the fill_value for the data.
+
+ at item valid_minp
+If non-NULL, this will point to a value of the same type as this
+varid, which will be written as the ``valid_min'' attribute. If this
+parameter is non-NULL, valid_max must also be provided.
+
+ at item valid_maxp
+If non-NULL, this will point to a value of the same type as this
+varid, which will be written as the ``valid_max'' attribute. If this
+parameter is non-NULL, valid_min must also be provided.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_inq_var_missing, nccf_def_notes, nccf_def_var_missing, Variables
+ at section Learn about missing data settings with nccf_inq_var_missing
+
+Get attributes which define missing data information. If the
+attributes are not there, then provide the valid data anyway, based on
+netCDF defaults.
+
+ at heading Usage 
+
+ at example
+int nccf_inq_var_missing(int ncid, int varid, void *fill_valuep, 
+                            void *valid_minp, void *valid_maxp);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item varid
+The varid of the netCDF variable.
+
+ at item fill_valuep
+If this is not NULL, the fill value of the variable will be written at
+this address by nccf_inq_var_missing. If the fill value was not
+defined for the variable, the netCDF default value will be used.
+
+ at item valid_minp
+If this is not NULL, the valid_min value of the variable will be
+written at this address by nccf_inq_var_missing. If the valid_min was
+not defined for the variable, the netCDF default value will be used.
+
+ at item valid_maxp
+If this is not NULL, the valid_max value of the variable will be
+written at this address by nccf_inq_var_missing. If the valid_max
+value was not defined for the variable, the netCDF default value will
+be used.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_def_notes, nccf_inq_notes, nccf_inq_var_missing, Variables
+ at section Add CF-Recommended Metadata to a File or Variable with
+nccf_def_notes
+
+This functions writes up to four text attributes for either a
+variable, or an entire file. These text attributes, ``institution,''
+``source,'' ``comment,'' and ``references'' are recommended by the CF
+Metadata Convention.
+
+ at heading Usage 
+
+ at example
+int nccf_def_notes(int ncid, int varid, char *units, char *long_name, 
+                   char *standard_name, char *institution, 
+                   char *source, char *comment, char *references);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item varid
+The varid of the netCDF variable being described. Use NC_GLOBAL if you
+wish these attributes to apply to the entire file.
+
+ at item institution
+If non-NULL, this text string will be written as the CF-recommended
+``institution'' attribute.
+
+ at item source
+If non-NULL, this text string will be written as the CF-recommended
+``source'' attribute.
+
+ at item comment
+If non-NULL, this text string will be written as the CF-recommended
+``comment'' attribute.
+
+ at item references
+If non-NULL, this text string will be written as the CF-recommended
+``references'' attribute.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_inq_notes, nccf_def_latitude, nccf_def_notes, Variables
+ at section Read variable description with nccf_inq_notes
+
+Read any existing CF recommended text attributes from a variable. 
+
+ at heading Usage 
+
+ at example
+int nccf_inq_notes(int ncid, int varid, 
+                   size_t *institution_lenp, char *institution, 
+                   size_t *source_lenp, char *source, 
+                   size_t *comment_lenp, char *comment, 
+                   size_t *references_lenp, char *references);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item varid
+The varid of the netCDF variable.
+
+ at item institution_lenp
+Pointer to size_t which, if not NULL, will get the length of the institution
+attribute.
+
+ at item institution
+Pointer to char array which, if not NULL, will get the institution
+string. Memory must be allocated before this function is called. Call
+this function with a NULL for this parameter to get the size first.
+
+ at item source_lenp
+Pointer to size_t which, if not NULL, will get the length of the source
+attribute.
+
+ at item source
+Pointer to char array which, if not NULL, will get the source
+string. Memory must be allocated before this function is called. Call
+this function with a NULL for this parameter to get the size first.
+
+ at item comment_lenp
+Pointer to size_t which, if not NULL, will get the length of the comment
+attribute.
+
+ at item comment
+Pointer to char array which, if not NULL, will get the comment
+string. Memory must be allocated before this function is called. Call
+this function with a NULL for this parameter to get the size first.
+
+ at item references_lenp
+Pointer to size_t which, if not NULL, will get the length of the references
+attribute.
+
+ at item references
+Pointer to char array which, if not NULL, will get the references
+string. Memory must be allocated before this function is called. Call
+this function with a NULL for this parameter to get the size first.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_def_latitude, nccf_inq_latitude, nccf_inq_notes, Variables
+ at section Define a coordinate variable and dimension for latitude with nccf_def_latitude
+
+Define a coordinate variable and dimension with all the CF
+recommended attribute accessories for latitude.
+
+ at heading Usage 
+
+ at example
+int nccf_def_latitude(int ncid, size_t len, nc_type xtype, 
+                         const char *formula_terms, int *lat_dimidp, 
+                         int *lat_varidp);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item len
+The length of this coordinate dimension.
+
+ at item xtype
+The type of this coordinate variable.
+
+ at item formula_terms
+If non-NULL, a string which will be written as the ``formula_terms''
+attribute on the coordinate variable.
+
+ at item lat_dimidp
+If non-NULL, nccf_def_latitude will write the dimension ID of the
+netCDF dimension for the latitude here.
+
+ at item lat_varidp
+If non-NULL, nccf_def_latitude will write the variable ID of the
+netCDF coordinate variable for the latitude here.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_inq_latitude, nccf_def_longitude, nccf_def_latitude, Variables
+ at section Learn about a latitude coordinate variable and dimension with
+nccf_inq_latitude
+
+Inquire about a latitude dimension and coordinate variable. 
+
+ at heading Usage 
+
+ at example
+int nccf_inq_latitude(int ncid, size_t *lenp, nc_type *xtypep, 
+                         size_t *ft_lenp, char *formula_terms, 
+                         int *lat_dimidp, int *lat_varidp);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item lenp
+If non-NULL, the length of the latitude dimension will be written
+here by nccf_inq_latitude.
+
+ at item xtypep
+If non-NULL, the type of the coordinate variable will be written here.
+
+ at item ft_lenp
+If non-NULL, the length of the value of the ``formula_terms''
+attribute will be written here by ft_lenp. If there is no
+``formula_terms'' attribute, zero will be written.
+
+ at item lat_dimidp
+If non-NULL, the dimid of the latitude dimension will be written here.
+
+ at item lat_varidp
+If non-NULL, the varid of the latitude coordinate variable will be
+written here.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_def_longitude, nccf_inq_longitude, nccf_inq_latitude, Variables
+ at section Define a coordinate variable and dimension for longitude with nccf_def_longitude
+
+Define a coordinate variable and dimension with all the CF
+recommended attribute accessories for longitude.
+
+ at heading Usage 
+
+ at example
+int nccf_def_longitude(int ncid, size_t len, nc_type xtype, 
+                         const char *formula_terms, int *lon_dimidp, 
+                         int *lon_varidp);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item len
+The length of this coordinate dimension.
+
+ at item xtype
+The type of this coordinate variable.
+
+ at item formula_terms
+If non-NULL, a string which will be written as the ``formula_terms''
+attribute on the coordinate variable.
+
+ at item lon_dimidp
+If non-NULL, nccf_def_longitude will write the dimension ID of the
+netCDF dimension for the longitude here.
+
+ at item lon_varidp
+If non-NULL, nccf_def_longitude will write the variable ID of the
+netCDF coordinate variable for the longitude here.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_inq_longitude, nccf_def_lvl, nccf_def_longitude, Variables
+ at section Learn about a longitude coordinate variable and dimension with
+nccf_inq_longitude
+
+Inquire about a longitude dimension and coordinate variable. 
+
+ at heading Usage 
+
+ at example
+int nccf_inq_longitude(int ncid, size_t *lenp, nc_type *xtypep, 
+                         size_t *ft_lenp, char *formula_terms, 
+                         int *lon_dimidp, int *lon_varidp);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item lenp
+If non-NULL, the length of the longitude dimension will be written
+here by nccf_inq_longitude.
+
+ at item xtypep
+If non-NULL, the type of the coordinate variable will be written here.
+
+ at item ft_lenp
+If non-NULL, the length of the value of the ``formula_terms''
+attribute will be written here by ft_lenp. If there is no
+``formula_terms'' attribute, zero will be written.
+
+ at item lon_dimidp
+If non-NULL, the dimid of the longitude dimension will be written here.
+
+ at item lon_varidp
+If non-NULL, the varid of the longitude coordinate variable will be
+written here.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_def_lvl, nccf_inq_lvl, nccf_inq_longitude, Variables
+ at section Define a coordinate variable and dimension for level with nccf_def_lvl
+
+Define a coordinate variable and dimension with all the CF
+recommended attribute accessories for a vertical level.
+
+ at heading Usage 
+
+ at example
+int nccf_def_lvl(int ncid, const char *name, size_t len, nc_type xtype, 
+                 const char *units, int positive_up, const char *standard_name, 
+                 const char *long_name, const char *formula_terms, 
+                 int *lvl_dimidp, int *lvl_varidp);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item name
+The name of the coordinate dimension and variable.
+
+ at item len
+The length of this coordinate dimension and variable.
+
+ at item xtype
+The type of this coordinate variable.
+
+ at item units
+If non-NULL, a string which will be written as the ``units''
+attribute on the coordinate variable.
+
+ at item positive_up
+Set to 0 and the attribute ``positive'' to ``down''. Set to any other
+value to get ``up''.
+
+ at item standard_name
+If non-NULL, a string which will be written as the ``standard_name''
+attribute on the coordinate variable.
+
+ at item long_name
+If non-NULL, a string which will be written as the ``long_name''
+attribute on the coordinate variable.
+
+ at item lon_dimidp
+If non-NULL, nccf_def_lvl will write the dimension ID of the
+netCDF dimension for the level here.
+
+ at item lon_varidp
+If non-NULL, nccf_def_lvl will write the variable ID of the
+netCDF coordinate variable for the level here.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_inq_lvl, nccf_def_lvl_vert, nccf_def_lvl, Variables
+ at section Learn about a level coordinate variable and dimension with
+nccf_inq_lvl
+
+Inquire about a level dimension and coordinate variable. 
+
+ at heading Usage 
+
+ at example
+int nccf_inq_lvl(int ncid, char *name, size_t *lenp, nc_type *xtypep, 
+                 size_t *ft_lenp, char *formula_terms, int *positive_upp, 
+                 int *lvl_dimidp, int *lvl_varidp);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item name
+If non-NULL, the name of this vertical level dimension (and variable)
+will be written here.
+
+ at item lenp
+If non-NULL, the length of the level dimension will be written
+here by nccf_inq_lvl.
+
+ at item xtypep
+If non-NULL, the type of the coordinate variable will be written here.
+
+ at item ft_lenp
+If non-NULL, the length of the value of the ``formula_terms''
+attribute will be written here by ft_lenp. If there is no
+``formula_terms'' attribute, zero will be written.
+
+ at item positive_upp
+If non-NULL, a one will be written here if the ``positive'' attribute
+of this coordinate variable is ``up'', a zero will be written if it is
+``down''.
+
+ at item lvl_dimidp
+If non-NULL, the dimid of the level dimension will be written here.
+
+ at item lvl_varidp
+If non-NULL, the varid of the level coordinate variable will be
+written here.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_def_lvl_vert, nccf_inq_lvl_vert, nccf_inq_lvl, Variables
+ at section Define a coordinate variable and dimension for level with nccf_def_lvl
+
+Define a unitless vertical coordinate variable and dimension from
+Apendix D of the CF Convention, with all the CF recommended attribute
+accessories for a vertical level.
+
+ at heading Usage 
+
+ at example
+int nccf_def_lvl_vert(int ncid, int lvl_type, const char *name, nc_type xtype, 
+                      size_t len, int *lvl_dimidp, int *lvl_varidp);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item lvl_type
+One of: CF_VERT_ATM_LN, CF_VERT_SIGMA, CF_VERT_HYBRID_SIGMA,
+CF_VERT_HYBRID_HEIGHT, CF_VERT_SLEVE, CF_VERT_OCEAN_SIGMA,
+CF_VERT_OCEAN_S, CF_VERT_OCEAN_SIGMA_Z, CF_VERT_OCEAN_DBL_SIGMA.
+
+ at item name
+The name of the coordinate dimension and variable.
+
+ at item xtype
+The type of this coordinate variable.
+
+ at item len
+The length of this coordinate dimension and variable.
+
+ at item lvl_dimidp
+If non-NULL, the function will write the dimension ID of the
+netCDF dimension for the level here.
+
+ at item llvl_varidp
+If non-NULL, the function will write the variable ID of the
+netCDF coordinate variable for the level here.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_inq_lvl_vert, nccf_def_time, nccf_def_lvl_vert, Variables
+ at section Learn about a level coordinate variable and dimension with
+nccf_inq_lvl
+
+Inquire about a level dimension and coordinate variable. 
+
+ at heading Usage 
+
+ at example
+int nccf_inq_lvl_vert(int ncid, char *name, nc_type *xtypep, size_t *lenp, 
+                      int *lvl_typep, int *lvl_dimidp, int *lvl_varidp);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item name
+If non-NULL, the name of this vertical level dimension (and variable)
+will be written here.
+
+ at item xtypep
+If non-NULL, the type of the coordinate variable will be written here.
+
+ at item lenp
+If non-NULL, the length of the level dimension will be written
+here.
+
+ at item lvl_typep
+If non-NULL, the type of vertical dimension will be written here, one
+of CF_VERT_ATM_LN, CF_VERT_SIGMA, CF_VERT_HYBRID_SIGMA,
+CF_VERT_HYBRID_HEIGHT, CF_VERT_SLEVE, CF_VERT_OCEAN_SIGMA,
+CF_VERT_OCEAN_S, CF_VERT_OCEAN_SIGMA_Z, CF_VERT_OCEAN_DBL_SIGMA.
+
+ at item lvl_dimidp
+If non-NULL, the dimid of the level dimension will be written here.
+
+ at item lvl_varidp
+If non-NULL, the varid of the level coordinate variable will be
+written here.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_def_time, nccf_inq_time, nccf_inq_lvl_vert, Variables
+ at section Define a coordinate variable and dimension for time with nccf_def_time
+
+Define a coordinate variable and dimension with all the CF
+recommended attribute accessories for time.
+
+ at heading Usage 
+
+ at example
+int nccf_def_time(int ncid, const char *name, size_t len, nc_type xtype, 
+                     const char *units, const char *standard_name, const char *long_name, 
+                     const char *formula_terms, int *time_dimidp, int *time_varidp);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item len
+The length of this coordinate dimension.
+
+ at item xtype
+The type of this coordinate variable.
+
+ at item formula_terms
+If non-NULL, a string which will be written as the ``formula_terms''
+attribute on the coordinate variable.
+
+ at item lon_dimidp
+If non-NULL, nccf_def_time will write the dimension ID of the
+netCDF dimension for the time here.
+
+ at item lon_varidp
+If non-NULL, nccf_def_time will write the variable ID of the
+netCDF coordinate variable for the time here.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_inq_time, nccf_def_ft_sigma, nccf_def_time, Variables
+ at section Learn about a time coordinate variable and dimension with
+nccf_inq_time
+
+Inquire about a time dimension and coordinate variable. 
+
+ at heading Usage 
+
+ at example
+int nccf_inq_time(int ncid, size_t *lenp, nc_type *xtypep, size_t *ft_lenp, 
+                     char *formula_terms, int *time_dimidp, int *time_varidp);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item lenp
+If non-NULL, the length of the time dimension will be written
+here by nccf_inq_time.
+
+ at item xtypep
+If non-NULL, the type of the coordinate variable will be written here.
+
+ at item ft_lenp
+If non-NULL, the length of the value of the ``formula_terms''
+attribute will be written here by ft_lenp. If there is no
+``formula_terms'' attribute, zero will be written.
+
+ at item formula_terms
+If non-NULL the value of the ``formula_terms'' attribute, if any, will
+be copied here.
+
+ at item time_dimidp
+If non-NULL, the dimid of the time dimension will be written here.
+
+ at item time_varidp
+If non-NULL, the varid of the time coordinate variable will be
+written here.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_def_ft_sigma, nccf_inq_lvl_sigma, nccf_inq_time, Variables
+ at section Define atmosphere sigma coordinate.
+
+Define formula terms attribute for atmosphere sigma coordinate variable.
+
+ at heading Usage 
+
+ at example
+int nccf_def_ft_sigma(int ncid, int varid, int ps_varid, int ptop_varid);
+
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item varid 
+The varid of the vertical coordinate variable.
+
+ at item ps_varid
+The variable ID of the ps variable.
+
+ at item ptop_varid
+The variable ID of the ptop variable.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_inq_lvl_sigma, nccf_def_ft_hybrid_sigma, nccf_def_ft_sigma, Variables
+ at section Inquire about atmosphere sigma coordinate.
+nccf_inq_time
+
+Inquire about atmosphere sigma coordinate.
+
+ at heading Usage 
+
+ at example
+int nccf_inq_lvl_sigma(int ncid, char *name, nc_type *xtypep, size_t *lenp, 
+                       int *ps_varidp, int *ptop_varidp, int *lvl_dimidp, 
+                       int *lvl_varidp);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item name
+If non-NULL, this pointer gets the name of the coordinate variable and
+dimension.     
+
+ at item xtypep
+If non-NULL, the type of the coordinate variable will be written here.
+
+ at item lenp
+If non-NULL, the length of the coordinate dimension will be written
+here.
+
+ at item ps_varidp
+If non-NULL, the variable ID of the ps variable will be written
+here.
+
+ at item ptop_varidp
+If non-NULL, the variable ID of the ptop variable will be written
+here.
+
+ at item lvl_dimidp
+If non-NULL, the dimid of the coordinate dimension will be written here.
+
+ at item lvl_varidp
+If non-NULL, the varid of the coordinate variable will be written
+here.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_def_ft_hybrid_sigma, nccf_inq_lvl_hybrid_sigma, nccf_inq_lvl_sigma, Variables
+ at section Define atmosphere sigma coordinate.
+
+Define formula terms attribute for atmosphere hybrid sigma coordinate
+variable.
+
+ at heading Usage 
+
+ at example
+int nccf_def_ft_hybrid_sigma(int ncid, int varid, int a_varid, int b_varid, 
+                             int ps_varid, int p0_varid);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item varid 
+The varid of the vertical coordinate variable.
+
+ at item a_varid
+The variable ID of the a variable.
+
+ at item b_varid
+The variable ID of the b variable.
+
+ at item ps_varid
+The variable ID of the ps variable.
+
+ at item ptop_varid
+The variable ID of the ptop variable.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_inq_lvl_hybrid_sigma, nccf_def_ft_hybrid_height, nccf_def_ft_hybrid_sigma, Variables
+ at section Inquire about atmosphere sigma coordinate.
+
+Inquire about atmosphere hybrid sigma coordinate.
+
+ at heading Usage 
+
+ at example
+int nccf_inq_lvl_hybrid_sigma(int ncid, char *name, nc_type *xtypep, 
+                              size_t *lenp, int *a_varidp, int *b_varidp, 
+                              int *ps_varidp, int *p0_varidp, int *lvl_dimidp, 
+                              int *lvl_varidp);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item name
+If non-NULL, this pointer gets the name of the coordinate variable and
+dimension.     
+
+ at item xtypep
+If non-NULL, the type of the coordinate variable will be written here.
+
+ at item lenp
+If non-NULL, the length of the coordinate dimension will be written
+here.
+
+ at item a_varidp
+If non-NULL, the variable ID of the a variable will be written
+here.
+
+ at item b_varidp
+If non-NULL, the variable ID of the b variable will be written
+here.
+
+ at item ps_varidp
+If non-NULL, the variable ID of the ps variable will be written
+here.
+
+ at item ptop_varidp
+If non-NULL, the variable ID of the ptop variable will be written
+here.
+
+ at item lvl_dimidp
+If non-NULL, the dimid of the coordinate dimension will be written here.
+
+ at item lvl_varidp
+If non-NULL, the varid of the coordinate variable will be written
+here.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_def_ft_hybrid_height, nccf_inq_lvl_hybrid_height, nccf_inq_lvl_hybrid_sigma, Variables
+ at section The formula_terms attribute for atmosphere hybrid height
+
+Define formula terms attribute for atmosphere hybrid height
+coordinate variable
+
+ at heading Usage 
+
+ at example
+int nccf_def_ft_hybrid_height(int ncid, int varid, int a_varid, int b_varid, 
+                              int orog_varid);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item varid 
+The varid of the vertical coordinate variable.
+
+ at item a_varid
+The variable ID of the a variable.
+
+ at item b_varid
+The variable ID of the b variable.
+
+ at item orog_varid
+The variable ID of the orog variable.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_inq_lvl_hybrid_height, nccf_def_ft_sleve, nccf_def_ft_hybrid_height, Variables
+ at section Inquire about hybrid height coordinate.
+
+Inquire about the hybrid height coordinate.
+
+ at heading Usage 
+
+ at example
+int nccf_inq_lvl_hybrid_height(int ncid, char *name, nc_type *xtypep, size_t *lenp,
+                               int *a_varidp, int *b_varidp, int *orog_varidp,
+                               int *lvl_dimidp, int *lvl_varidp);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item name
+If non-NULL, this pointer gets the name of the coordinate variable and
+dimension.     
+
+ at item xtypep
+If non-NULL, the type of the coordinate variable will be written here.
+
+ at item lenp
+If non-NULL, the length of the coordinate dimension will be written
+here.
+
+ at item a_varidp
+If non-NULL, the variable ID of the a variable will be written
+here.
+
+ at item b_varidp
+If non-NULL, the variable ID of the b variable will be written
+here.
+
+ at item orog_varidp
+If non-NULL, the variable ID of the orog variable will be written
+here.
+
+ at item lvl_dimidp
+If non-NULL, the dimid of the coordinate dimension will be written here.
+
+ at item lvl_varidp
+If non-NULL, the varid of the coordinate variable will be written
+here.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_def_ft_sleve, nccf_inq_lvl_sleve, nccf_inq_lvl_hybrid_height, Variables
+ at section Define atmosphere sleve coordinate.
+
+Define formula terms attribute for the atmosphere sleve coordinate
+variable.
+
+ at heading Usage 
+
+ at example
+int nccf_def_ft_sleve(int ncid, int varid, int a_varid, int b1_varid, 
+                      int b2_varid, int ztop_varid, int zsurf1_varid, 
+                      int zsurf2_varid);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item varid 
+The varid of the vertical coordinate variable.
+
+ at item a_varid
+The variable ID of the a variable.
+
+ at item b1_varid
+The variable ID of the b1 variable.
+
+ at item b2_varid
+The variable ID of the b2 variable.
+
+ at item ztop_varid
+The variable ID of the ztop variable.
+
+ at item zsurf1_varid
+The variable ID of the zsurf1 variable.
+
+ at item zsurf2_varid
+The variable ID of the zsurf2 variable.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_inq_lvl_sleve, nccf_def_ft_ocean_sigma, nccf_def_ft_sleve, Variables
+ at section Inquire About Sleve Coordinate.
+
+Inquire about the sleve coordinate.
+
+ at heading Usage 
+
+ at example
+int nccf_inq_lvl_sleve(int ncid, char *name, nc_type *xtypep, size_t *lenp,
+                       int *a_varidp, int *b1_varidp, int *b2_varidp, int *ztop_varidp,
+                       int *zsurf1_varidp, int *zsurf2_varidp, int *lvl_dimidp,
+                       int *lvl_varidp);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item name
+If non-NULL, this pointer gets the name of the coordinate variable and
+dimension.     
+
+ at item xtypep
+If non-NULL, the type of the coordinate variable will be written here.
+
+ at item lenp
+If non-NULL, the length of the coordinate dimension will be written
+here.
+
+ at item a_varidp
+If non-NULL, the variable ID of the a variable will be written
+here.
+
+ at item b1_varidp
+If non-NULL, the variable ID of the b1 variable will be written
+here.
+
+ at item b2_varidp
+If non-NULL, the variable ID of the b2 variable will be written
+here.
+
+ at item ztop_varidp
+If non-NULL, the variable ID of the ztop variable will be written
+here.
+
+ at item zsurf1_varidp
+If non-NULL, the variable ID of the zsurf1 variable will be written
+here.
+
+ at item zsurf2_varidp
+If non-NULL, the variable ID of the zsurf2 variable will be written
+here.
+
+ at item lvl_dimidp
+If non-NULL, the dimid of the coordinate dimension will be written here.
+
+ at item lvl_varidp
+If non-NULL, the varid of the coordinate variable will be written
+here.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_def_ft_ocean_sigma, nccf_inq_lvl_ocean_sigma, nccf_inq_lvl_sleve, Variables
+ at section Define Ocean Sigma Coordinate.
+
+Define the formula terms attribute for the ocean sigma coordinate variable.
+
+ at heading Usage 
+
+ at example
+int nccf_def_ft_ocean_sigma(int ncid, int varid, int eta_varid, int depth_varid);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item varid 
+The varid of the vertical coordinate variable.
+
+ at item eta_varid
+The variable ID of the eta variable.
+
+ at item depth_varid
+The variable ID of the depth variable.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_inq_lvl_ocean_sigma, nccf_def_ft_ocean_s, nccf_def_ft_ocean_sigma, Variables
+ at section Inquire About Ocean Sigma Coordinate.
+
+Inquire about the ocean sigma coordinate.
+
+ at heading Usage 
+
+ at example
+int nccf_inq_lvl_ocean_sigma(int ncid, char *name, nc_type *xtypep, size_t *lenp,
+                             int *eta_varidp, int *depth_varidp, int *lvl_dimidp,
+                             int *lvl_varidp);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item name
+If non-NULL, this pointer gets the name of the coordinate variable and
+dimension.     
+
+ at item xtypep
+If non-NULL, the type of the coordinate variable will be written here.
+
+ at item lenp
+If non-NULL, the length of the coordinate dimension will be written
+here.
+
+ at item eta_varidp
+If non-NULL, the variable ID of the eta variable will be written
+here.
+
+ at item lvl_dimidp
+If non-NULL, the dimid of the coordinate dimension will be written here.
+
+ at item lvl_varidp
+If non-NULL, the varid of the coordinate variable will be written
+here.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_def_ft_ocean_s, nccf_inq_lvl_ocean_s, nccf_inq_lvl_ocean_sigma, Variables
+ at section Define Ocean S Coordinate.
+
+Define ocean s coordinate.
+
+ at heading Usage 
+
+ at example
+int nccf_def_ft_ocean_s(int ncid, const char *name, nc_type xtype, size_t len,
+                         int eta_varid, int depth_varid, int a_varid, int b_varid,
+                         int depth_c_varid, int *lvl_dimidp, int *lvl_varidp);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item varid 
+The varid of the vertical coordinate variable.
+
+ at item xtype
+The type of this coordinate variable.
+
+ at item len
+The length of this coordinate dimension.
+
+ at item eta_varid
+The variable ID of the eta variable.
+
+ at item depth_varid
+The variable ID of the depth variable.
+
+ at item a_varid
+The variable ID of the a variable.
+
+ at item b_varid
+The variable ID of the b variable.
+
+ at item depth_c_varid
+The variable ID of the depth_c variable.
+
+ at item lvl_dimidp
+If non-NULL, the dimension ID of the netCDF coordinate dimension will
+be written here.
+
+ at item lvl_varidp
+If non-NULL, the variable ID of the netCDF coordinate variable will be
+written here.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_inq_lvl_ocean_s, nccf_def_ft_ocean_sigma_z, nccf_def_ft_ocean_s, Variables
+ at section Inquire About Ocean S Coordinate.
+nccf_inq_time
+
+Inquire about the ocean s coordinate.
+
+ at heading Usage 
+
+ at example
+int nccf_inq_lvl_ocean_s(int ncid, char *name, nc_type *xtypep, size_t *lenp,
+                         int *eta_varidp, int *depth_varidp, int *a_varidp, int *b_varidp,
+                         int *depth_c_varidp, int *lvl_dimidp, int *lvl_varidp);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item name
+If non-NULL, this pointer gets the name of the coordinate variable and
+dimension.     
+
+ at item xtypep
+If non-NULL, the type of the coordinate variable will be written here.
+
+ at item lenp
+If non-NULL, the length of the coordinate dimension will be written
+here.
+
+ at item eta_varidp
+If non-NULL, the variable ID of the eta variable will be written
+here.
+
+ at item depth_varidp
+If non-NULL, the variable ID of the depth variable will be written
+here.
+
+ at item a_varidp
+If non-NULL, the variable ID of the a variable will be written
+here.
+
+ at item b_varidp
+If non-NULL, the variable ID of the b variable will be written
+here.
+
+ at item depth_c_varidp
+If non-NULL, the variable ID of the depth_c variable will be written
+here.
+
+ at item lvl_dimidp
+If non-NULL, the dimid of the coordinate dimension will be written here.
+
+ at item lvl_varidp
+If non-NULL, the varid of the coordinate variable will be written
+here.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_def_ft_ocean_sigma_z, nccf_inq_lvl_ocean_sigma_z, nccf_inq_lvl_ocean_s, Variables
+ at section Define Ocean Sigma Z Coordinate.
+
+Define ocean sigma z coordinate.
+
+ at heading Usage 
+
+ at example
+int nccf_def_ft_ocean_sigma_z(int ncid, const char *name, nc_type xtype,
+                               size_t len, int eta_varid, int depth_varid,
+                               int depth_c_varid, int nsigma_varid,
+                               int zlev_varid, int *lvl_dimidp, int *lvl_varidp);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item varid 
+The varid of the vertical coordinate variable.
+
+ at item xtype
+The type of this coordinate variable.
+
+ at item len
+The length of this coordinate dimension.
+
+ at item eta_varid
+The variable ID of the eta variable.
+
+ at item depth_varid
+The variable ID of the depth variable.
+
+ at item depth_c_varid
+The variable ID of the depth_c variable.
+
+ at item nsigma_varid
+The variable ID of the nsigma variable.
+
+ at item zlev_varid
+The variable ID of the zlev variable.
+
+ at item lvl_dimidp
+If non-NULL, the dimension ID of the netCDF coordinate dimension will
+be written here.
+
+ at item lvl_varidp
+If non-NULL, the variable ID of the netCDF coordinate variable will be
+written here.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_inq_lvl_ocean_sigma_z, nccf_def_ft_ocean_dbl_sigma, nccf_def_ft_ocean_sigma_z, Variables
+ at section Inquire About Ocean Sigma Z Coordinate.
+
+Inquire about the ocean sigma z coordinate.
+
+ at heading Usage 
+
+ at example
+int nccf_inq_lvl_ocean_sigma_z(int ncid, char *name, nc_type *xtypep, size_t *lenp,
+                               int *eta_varidp, int *depth_varidp, int *depth_c_varidp,
+                               int *nsigma_varidp, int *zlev_varidp, int *lvl_dimidp,
+                               int *lvl_varidp);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item name
+If non-NULL, this pointer gets the name of the coordinate variable and
+dimension.     
+
+ at item xtypep
+If non-NULL, the type of the coordinate variable will be written here.
+
+ at item lenp
+If non-NULL, the length of the coordinate dimension will be written
+here.
+
+ at item eta_varidp
+If non-NULL, the variable ID of the eta variable will be written
+here.
+
+ at item depth_varidp
+If non-NULL, the variable ID of the depth variable will be written
+here.
+
+ at item depth_c_varidp
+If non-NULL, the variable ID of the depth_c variable will be written
+here.
+
+ at item nsigma_varidp
+If non-NULL, the variable ID of the nsigma variable will be written
+here.
+
+ at item zlev_varidp
+If non-NULL, the variable ID of the zlev variable will be written
+here.
+
+ at item lvl_dimidp
+If non-NULL, the dimid of the coordinate dimension will be written here.
+
+ at item lvl_varidp
+If non-NULL, the varid of the coordinate variable will be written
+here.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_def_ft_ocean_dbl_sigma, nccf_inq_lvl_ocean_dbl_sigma, nccf_inq_lvl_ocean_sigma_z, Variables
+ at section Define Ocean Double Sigma Coordinate.
+
+Define ocean double sigma coordinate.
+
+ at heading Usage 
+
+ at example
+int nccf_def_ft_ocean_dbl_sigma(int ncid, const char *name, nc_type xtype, size_t len,
+                                 int depth_varid, int z1_varid, int z2_varid, int a_varid,
+                                 int href_varid, int k_c_varid, int *lvl_dimidp,
+                                 int *lvl_varidp);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item varid 
+The varid of the vertical coordinate variable.
+
+ at item xtype
+The type of this coordinate variable.
+
+ at item len
+The length of this coordinate dimension.
+
+ at item depth_varid
+The variable ID of the depth variable.
+
+ at item z1_varid
+The variable ID of the z1 variable.
+
+ at item z2_varid
+The variable ID of the z2 variable.
+
+ at item a_varid
+The variable ID of the a variable.
+
+ at item href_varid
+The variable ID of the href variable.
+
+ at item k_c_varid
+The variable ID of the k_c variable.
+
+ at item lvl_dimidp
+If non-NULL, the dimension ID of the netCDF coordinate dimension will
+be written here.
+
+ at item lvl_varidp
+If non-NULL, the variable ID of the netCDF coordinate variable will be
+written here.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_inq_lvl_ocean_dbl_sigma, nccf_get_vara, nccf_def_ft_ocean_dbl_sigma, Variables
+ at section Inquire About Ocean Double Sigma Coordinate.
+
+Inquire about the ocean double sigma coordinate.
+
+ at heading Usage 
+
+ at example
+int nccf_inq_lvl_ocean_dbl_sigma(int ncid, char *name, nc_type *xtypep, size_t *lenp,
+                                 int *depth_varidp, int *z1_varidp, int *z2_varidp,
+                                 int *a_varidp, int *href_varidp, int *k_c_varidp,
+                                 int *lvl_dimidp, int *lvl_varidp);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item name
+If non-NULL, this pointer gets the name of the coordinate variable and
+dimension.     
+
+ at item xtypep
+If non-NULL, the type of the coordinate variable will be written here.
+
+ at item lenp
+If non-NULL, the length of the coordinate dimension will be written
+here.
+
+ at item depth_varidp
+If non-NULL, the variable ID of the depth variable will be written
+here.
+
+ at item z1_varidp
+If non-NULL, the variable ID of the z1 variable will be written
+here.
+
+ at item z2_varidp
+If non-NULL, the variable ID of the z2 variable will be written
+here.
+
+ at item a_varidp
+If non-NULL, the variable ID of the a variable will be written
+here.
+
+ at item href_varidp
+If non-NULL, the variable ID of the href variable will be written
+here.
+
+ at item k_c_varidp
+If non-NULL, the variable ID of the k_c variable will be written
+here.
+
+ at item lvl_dimidp
+If non-NULL, the dimid of the coordinate dimension will be written here.
+
+ at item lvl_varidp
+If non-NULL, the varid of the coordinate variable will be written
+here.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf_get_vara,  , nccf_inq_lvl_ocean_dbl_sigma, Variables
+ at section Get a geographic subset of the data.
+
+Get a geographic subset of the data.
+
+ at heading Usage 
+
+ at example
+   int nccf_get_vara(int ncid, int varid, float *lat_bounds, int *nlat, float *lon_bounds, 
+		     int *nlon, int *lvl_index, int *nlvl, int rec, void *data);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at item varid
+The varid of the data variable from which the subset will be taken.
+
+ at item lat_bounds
+A length two array, this holds the latitude start and stop values for
+the range of interest.
+
+ at item nlat
+A pointer to an integer which will get the number of latitude values
+which fall within the range.
+
+ at item lon_bounds
+A length two array, this holds the longitude start and stop values for
+the range of interest. (Wrapping around the dateline is not allowed!)
+
+ at item nlon
+A pointer to an integer which will get the number of longitude values
+which fall within the range.
+
+ at item lvl_index
+A zero-based index number for the verticle level of interest to the
+subsetter. (Ignored if data has no vertical axis).
+
+ at item timestep
+A zero-based index number for the timestep of interest to the
+subsetter. (Ignored if data has no time axis).
+
+ at item data
+A pointer to which the data subset will be written. Memory must be
+allocated (and deallocated) by the user.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or an error code for failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node Coordinates, Combined Index, Variables, Top
+ at chapter Coordinate Systems
+
+ at menu
+* nccf-def-axis-type::          
+* nccf-inq-axis-type::          
+* nccf-def-coord-system::       
+* nccf-inq-coord-system::       
+* nccf-assign-coord-system::    
+* nccf-def-transform::          
+* nccf-inq-transform::          
+* nccf-assign-transform::       
+ at end menu
+
+ at node nccf-def-axis-type, nccf-inq-axis-type, Coordinates, Coordinates
+ at section Label the axis type of a coordinate var with nccf_def_axis_type
+
+ at heading Usage 
+
+ at example
+int
+nccf_def_axis_type(int ncid, int varid, int axis_type);
+ at end example
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf-inq-axis-type, nccf-def-coord-system, nccf-def-axis-type, Coordinates
+ at section Find out the axis type of a coordinate var with nccf_inq_axis_type
+
+ at heading Usage 
+
+ at example
+int
+nccf_inq_axis_type(int ncid, int varid, int *axis_type);
+ at end example
+
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf-def-coord-system, nccf-inq-coord-system, nccf-inq-axis-type, Coordinates
+ at section Define a coordinate system with nccf_def_coord_system
+
+ at heading Usage 
+
+ at example
+int
+nccf_def_coord_system(int ncid, const char *name, int naxes, int *axis_varids, 
+                    int *system_varid);
+ at end example
+
+Define a coordinate system consisting of naxes axes, each axis
+represented by a coordinate varid in the axis_varids array. This
+create a new (scalar, NC_CHAR) var, whose varid is returned in
+system_varid.
+
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf-inq-coord-system, nccf-assign-coord-system, nccf-def-coord-system, Coordinates
+ at section Find out about a coordinate system with nccf_inq_coord_system
+
+ at heading Usage 
+
+ at example
+int
+nccf_inq_coord_system(int ncid, int system_varid, char *name, 
+                    int *naxes, int *axis_varids);
+ at end example
+
+Find out about a coordinate system, it's name, number of axes, and the
+varid of each axis coordinate var.
+
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf-assign-coord-system, nccf-def-transform, nccf-inq-coord-system, Coordinates
+ at section Assign a coordinate system to a var with nccf_assign_coord_system
+
+ at heading Usage 
+
+ at example
+int
+nccf_assign_coord_system(int ncid, int varid, int system_varid);
+ at end example
+
+Assign a coordinate system to a var. This adds an attribute to the
+var.
+
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf-def-transform, nccf-inq-transform, nccf-assign-coord-system, Coordinates
+ at section Define a coordinate transform with nccf_def_transform
+
+ at heading Usage 
+
+ at example
+int
+nccf_def_transform(int ncid, const char *name, const char *transform_type, 
+                 const char *transform_name, int *transform_varid);
+ at end example
+
+Define a coordinate transform. This adds a (scalar, NC_CHAR) var,
+which contains some attributes. The varid of this new variable is
+returned in transform_varid.
+
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf-inq-transform, nccf-assign-transform, nccf-def-transform, Coordinates
+ at section Find out about a coordinate transform with nccf_inq_transform
+
+ at heading Usage 
+
+ at example
+int
+nccf_inq_transform(int ncid, int transform_varid, char *name, size_t *type_len, 
+                 char *transform_type, size_t *name_len, char *transform_name);
+ at end example
+
+Find out about a coordinate transform, it's name, and the contents
+of the transform_type and transform_name attributes. Pass NULL for
+any that you're not interested in. Pass NULL for transform_type and
+transform_name to get their lengths with type_len and name_len.
+
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node nccf-assign-transform,  , nccf-inq-transform, Coordinates
+ at section Assign a coordinate transform to a coordinate system with nccf_assign_transform
+
+ at heading Usage 
+
+ at example
+int
+nccf_assign_transform(int ncid, int system_varid, int transform_varid);
+ at end example
+
+Assign a coordinate transform to a coordinate system. This adds an
+attribute to the variable that holds the coordinate system
+attributes.
+
+
+ at table @code
+
+ at item ncid
+The ncid of the file.
+
+ at end table
+
+ at heading Return Codes
+
+This function returns zero for success, or a netCDF error code for
+failure.
+
+ at heading Example 
+
+ at example
+ at end example
+ 
+ at node Combined Index,  , Coordinates, Top
+ at unnumbered Index
+
+ at printindex cp
+
+ at bye
+End:
diff --git a/doc/mdate-sh b/doc/mdate-sh
new file mode 100755
index 0000000..cd916c0
--- /dev/null
+++ b/doc/mdate-sh
@@ -0,0 +1,201 @@
+#!/bin/sh
+# Get modification time of a file or directory and pretty-print it.
+
+scriptversion=2005-06-29.22
+
+# Copyright (C) 1995, 1996, 1997, 2003, 2004, 2005 Free Software
+# Foundation, Inc.
+# written by Ulrich Drepper <drepper at gnu.ai.mit.edu>, June 1995
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# This file is maintained in Automake, please report
+# bugs to <bug-automake at gnu.org> or send patches to
+# <automake-patches at gnu.org>.
+
+case $1 in
+  '')
+     echo "$0: No file.  Try \`$0 --help' for more information." 1>&2
+     exit 1;
+     ;;
+  -h | --h*)
+    cat <<\EOF
+Usage: mdate-sh [--help] [--version] FILE
+
+Pretty-print the modification time of FILE.
+
+Report bugs to <bug-automake at gnu.org>.
+EOF
+    exit $?
+    ;;
+  -v | --v*)
+    echo "mdate-sh $scriptversion"
+    exit $?
+    ;;
+esac
+
+# Prevent date giving response in another language.
+LANG=C
+export LANG
+LC_ALL=C
+export LC_ALL
+LC_TIME=C
+export LC_TIME
+
+# GNU ls changes its time format in response to the TIME_STYLE
+# variable.  Since we cannot assume `unset' works, revert this
+# variable to its documented default.
+if test "${TIME_STYLE+set}" = set; then
+  TIME_STYLE=posix-long-iso
+  export TIME_STYLE
+fi
+
+save_arg1=$1
+
+# Find out how to get the extended ls output of a file or directory.
+if ls -L /dev/null 1>/dev/null 2>&1; then
+  ls_command='ls -L -l -d'
+else
+  ls_command='ls -l -d'
+fi
+
+# A `ls -l' line looks as follows on OS/2.
+#  drwxrwx---        0 Aug 11  2001 foo
+# This differs from Unix, which adds ownership information.
+#  drwxrwx---   2 root  root      4096 Aug 11  2001 foo
+#
+# To find the date, we split the line on spaces and iterate on words
+# until we find a month.  This cannot work with files whose owner is a
+# user named `Jan', or `Feb', etc.  However, it's unlikely that `/'
+# will be owned by a user whose name is a month.  So we first look at
+# the extended ls output of the root directory to decide how many
+# words should be skipped to get the date.
+
+# On HPUX /bin/sh, "set" interprets "-rw-r--r--" as options, so the "x" below.
+set x`ls -l -d /`
+
+# Find which argument is the month.
+month=
+command=
+until test $month
+do
+  shift
+  # Add another shift to the command.
+  command="$command shift;"
+  case $1 in
+    Jan) month=January; nummonth=1;;
+    Feb) month=February; nummonth=2;;
+    Mar) month=March; nummonth=3;;
+    Apr) month=April; nummonth=4;;
+    May) month=May; nummonth=5;;
+    Jun) month=June; nummonth=6;;
+    Jul) month=July; nummonth=7;;
+    Aug) month=August; nummonth=8;;
+    Sep) month=September; nummonth=9;;
+    Oct) month=October; nummonth=10;;
+    Nov) month=November; nummonth=11;;
+    Dec) month=December; nummonth=12;;
+  esac
+done
+
+# Get the extended ls output of the file or directory.
+set dummy x`eval "$ls_command \"\$save_arg1\""`
+
+# Remove all preceding arguments
+eval $command
+
+# Because of the dummy argument above, month is in $2.
+#
+# On a POSIX system, we should have
+#
+# $# = 5
+# $1 = file size
+# $2 = month
+# $3 = day
+# $4 = year or time
+# $5 = filename
+#
+# On Darwin 7.7.0 and 7.6.0, we have
+#
+# $# = 4
+# $1 = day
+# $2 = month
+# $3 = year or time
+# $4 = filename
+
+# Get the month.
+case $2 in
+  Jan) month=January; nummonth=1;;
+  Feb) month=February; nummonth=2;;
+  Mar) month=March; nummonth=3;;
+  Apr) month=April; nummonth=4;;
+  May) month=May; nummonth=5;;
+  Jun) month=June; nummonth=6;;
+  Jul) month=July; nummonth=7;;
+  Aug) month=August; nummonth=8;;
+  Sep) month=September; nummonth=9;;
+  Oct) month=October; nummonth=10;;
+  Nov) month=November; nummonth=11;;
+  Dec) month=December; nummonth=12;;
+esac
+
+case $3 in
+  ???*) day=$1;;
+  *) day=$3; shift;;
+esac
+
+# Here we have to deal with the problem that the ls output gives either
+# the time of day or the year.
+case $3 in
+  *:*) set `date`; eval year=\$$#
+       case $2 in
+	 Jan) nummonthtod=1;;
+	 Feb) nummonthtod=2;;
+	 Mar) nummonthtod=3;;
+	 Apr) nummonthtod=4;;
+	 May) nummonthtod=5;;
+	 Jun) nummonthtod=6;;
+	 Jul) nummonthtod=7;;
+	 Aug) nummonthtod=8;;
+	 Sep) nummonthtod=9;;
+	 Oct) nummonthtod=10;;
+	 Nov) nummonthtod=11;;
+	 Dec) nummonthtod=12;;
+       esac
+       # For the first six month of the year the time notation can also
+       # be used for files modified in the last year.
+       if (expr $nummonth \> $nummonthtod) > /dev/null;
+       then
+	 year=`expr $year - 1`
+       fi;;
+  *) year=$3;;
+esac
+
+# The result.
+echo $day $month $year
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-end: "$"
+# End:
diff --git a/doc/stamp-vti b/doc/stamp-vti
new file mode 100644
index 0000000..5da139a
--- /dev/null
+++ b/doc/stamp-vti
@@ -0,0 +1,4 @@
+ at set UPDATED 2 May 2007
+ at set UPDATED-MONTH May 2007
+ at set EDITION 1.0-alpha4
+ at set VERSION 1.0-alpha4
diff --git a/doc/texinfo.tex b/doc/texinfo.tex
new file mode 100644
index 0000000..ff2c406
--- /dev/null
+++ b/doc/texinfo.tex
@@ -0,0 +1,7210 @@
+% texinfo.tex -- TeX macros to handle Texinfo files.
+%
+% Load plain if necessary, i.e., if running under initex.
+\expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
+%
+\def\texinfoversion{2005-07-05.19}
+%
+% Copyright (C) 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995,
+% 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software
+% Foundation, Inc.
+%
+% This texinfo.tex file is free software; you can redistribute it and/or
+% modify it under the terms of the GNU General Public License as
+% published by the Free Software Foundation; either version 2, or (at
+% your option) any later version.
+%
+% This texinfo.tex file is distributed in the hope that it will be
+% useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+% of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+% General Public License for more details.
+%
+% You should have received a copy of the GNU General Public License
+% along with this texinfo.tex file; see the file COPYING.  If not, write
+% to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+% Boston, MA 02110-1301, USA.
+%
+% As a special exception, when this file is read by TeX when processing
+% a Texinfo source document, you may use the result without
+% restriction.  (This has been our intent since Texinfo was invented.)
+%
+% Please try the latest version of texinfo.tex before submitting bug
+% reports; you can get the latest version from:
+%   http://www.gnu.org/software/texinfo/ (the Texinfo home page), or
+%   ftp://tug.org/tex/texinfo.tex
+%     (and all CTAN mirrors, see http://www.ctan.org).
+% The texinfo.tex in any given distribution could well be out
+% of date, so if that's what you're using, please check.
+%
+% Send bug reports to bug-texinfo at gnu.org.  Please include including a
+% complete document in each bug report with which we can reproduce the
+% problem.  Patches are, of course, greatly appreciated.
+%
+% To process a Texinfo manual with TeX, it's most reliable to use the
+% texi2dvi shell script that comes with the distribution.  For a simple
+% manual foo.texi, however, you can get away with this:
+%   tex foo.texi
+%   texindex foo.??
+%   tex foo.texi
+%   tex foo.texi
+%   dvips foo.dvi -o  # or whatever; this makes foo.ps.
+% The extra TeX runs get the cross-reference information correct.
+% Sometimes one run after texindex suffices, and sometimes you need more
+% than two; texi2dvi does it as many times as necessary.
+%
+% It is possible to adapt texinfo.tex for other languages, to some
+% extent.  You can get the existing language-specific files from the
+% full Texinfo distribution.
+%
+% The GNU Texinfo home page is http://www.gnu.org/software/texinfo.
+
+
+\message{Loading texinfo [version \texinfoversion]:}
+
+% If in a .fmt file, print the version number
+% and turn on active characters that we couldn't do earlier because
+% they might have appeared in the input file name.
+\everyjob{\message{[Texinfo version \texinfoversion]}%
+  \catcode`+=\active \catcode`\_=\active}
+
+\message{Basics,}
+\chardef\other=12
+
+% We never want plain's \outer definition of \+ in Texinfo.
+% For @tex, we can use \tabalign.
+\let\+ = \relax
+
+% Save some plain tex macros whose names we will redefine.
+\let\ptexb=\b
+\let\ptexbullet=\bullet
+\let\ptexc=\c
+\let\ptexcomma=\,
+\let\ptexdot=\.
+\let\ptexdots=\dots
+\let\ptexend=\end
+\let\ptexequiv=\equiv
+\let\ptexexclam=\!
+\let\ptexfootnote=\footnote
+\let\ptexgtr=>
+\let\ptexhat=^
+\let\ptexi=\i
+\let\ptexindent=\indent
+\let\ptexinsert=\insert
+\let\ptexlbrace=\{
+\let\ptexless=<
+\let\ptexnewwrite\newwrite
+\let\ptexnoindent=\noindent
+\let\ptexplus=+
+\let\ptexrbrace=\}
+\let\ptexslash=\/
+\let\ptexstar=\*
+\let\ptext=\t
+
+% If this character appears in an error message or help string, it
+% starts a new line in the output.
+\newlinechar = `^^J
+
+% Use TeX 3.0's \inputlineno to get the line number, for better error
+% messages, but if we're using an old version of TeX, don't do anything.
+%
+\ifx\inputlineno\thisisundefined
+  \let\linenumber = \empty % Pre-3.0.
+\else
+  \def\linenumber{l.\the\inputlineno:\space}
+\fi
+
+% Set up fixed words for English if not already set.
+\ifx\putwordAppendix\undefined  \gdef\putwordAppendix{Appendix}\fi
+\ifx\putwordChapter\undefined   \gdef\putwordChapter{Chapter}\fi
+\ifx\putwordfile\undefined      \gdef\putwordfile{file}\fi
+\ifx\putwordin\undefined        \gdef\putwordin{in}\fi
+\ifx\putwordIndexIsEmpty\undefined     \gdef\putwordIndexIsEmpty{(Index is empty)}\fi
+\ifx\putwordIndexNonexistent\undefined \gdef\putwordIndexNonexistent{(Index is nonexistent)}\fi
+\ifx\putwordInfo\undefined      \gdef\putwordInfo{Info}\fi
+\ifx\putwordInstanceVariableof\undefined \gdef\putwordInstanceVariableof{Instance Variable of}\fi
+\ifx\putwordMethodon\undefined  \gdef\putwordMethodon{Method on}\fi
+\ifx\putwordNoTitle\undefined   \gdef\putwordNoTitle{No Title}\fi
+\ifx\putwordof\undefined        \gdef\putwordof{of}\fi
+\ifx\putwordon\undefined        \gdef\putwordon{on}\fi
+\ifx\putwordpage\undefined      \gdef\putwordpage{page}\fi
+\ifx\putwordsection\undefined   \gdef\putwordsection{section}\fi
+\ifx\putwordSection\undefined   \gdef\putwordSection{Section}\fi
+\ifx\putwordsee\undefined       \gdef\putwordsee{see}\fi
+\ifx\putwordSee\undefined       \gdef\putwordSee{See}\fi
+\ifx\putwordShortTOC\undefined  \gdef\putwordShortTOC{Short Contents}\fi
+\ifx\putwordTOC\undefined       \gdef\putwordTOC{Table of Contents}\fi
+%
+\ifx\putwordMJan\undefined \gdef\putwordMJan{January}\fi
+\ifx\putwordMFeb\undefined \gdef\putwordMFeb{February}\fi
+\ifx\putwordMMar\undefined \gdef\putwordMMar{March}\fi
+\ifx\putwordMApr\undefined \gdef\putwordMApr{April}\fi
+\ifx\putwordMMay\undefined \gdef\putwordMMay{May}\fi
+\ifx\putwordMJun\undefined \gdef\putwordMJun{June}\fi
+\ifx\putwordMJul\undefined \gdef\putwordMJul{July}\fi
+\ifx\putwordMAug\undefined \gdef\putwordMAug{August}\fi
+\ifx\putwordMSep\undefined \gdef\putwordMSep{September}\fi
+\ifx\putwordMOct\undefined \gdef\putwordMOct{October}\fi
+\ifx\putwordMNov\undefined \gdef\putwordMNov{November}\fi
+\ifx\putwordMDec\undefined \gdef\putwordMDec{December}\fi
+%
+\ifx\putwordDefmac\undefined    \gdef\putwordDefmac{Macro}\fi
+\ifx\putwordDefspec\undefined   \gdef\putwordDefspec{Special Form}\fi
+\ifx\putwordDefvar\undefined    \gdef\putwordDefvar{Variable}\fi
+\ifx\putwordDefopt\undefined    \gdef\putwordDefopt{User Option}\fi
+\ifx\putwordDeffunc\undefined   \gdef\putwordDeffunc{Function}\fi
+
+% In some macros, we cannot use the `\? notation---the left quote is
+% in some cases the escape char.
+\chardef\backChar  = `\\
+\chardef\colonChar = `\:
+\chardef\commaChar = `\,
+\chardef\dotChar   = `\.
+\chardef\exclamChar= `\!
+\chardef\plusChar  = `\+
+\chardef\questChar = `\?
+\chardef\semiChar  = `\;
+\chardef\underChar = `\_
+
+\chardef\spaceChar = `\ %
+\chardef\spacecat = 10
+\def\spaceisspace{\catcode\spaceChar=\spacecat}
+
+{% for help with debugging.
+ % example usage: \expandafter\show\activebackslash
+ \catcode`\! = 0 \catcode`\\ = \active
+ !global!def!activebackslash{\}
+}
+
+% Ignore a token.
+%
+\def\gobble#1{}
+
+% The following is used inside several \edef's.
+\def\makecsname#1{\expandafter\noexpand\csname#1\endcsname}
+
+% Hyphenation fixes.
+\hyphenation{
+  Flor-i-da Ghost-script Ghost-view Mac-OS Post-Script
+  ap-pen-dix bit-map bit-maps
+  data-base data-bases eshell fall-ing half-way long-est man-u-script
+  man-u-scripts mini-buf-fer mini-buf-fers over-view par-a-digm
+  par-a-digms rath-er rec-tan-gu-lar ro-bot-ics se-vere-ly set-up spa-ces
+  spell-ing spell-ings
+  stand-alone strong-est time-stamp time-stamps which-ever white-space
+  wide-spread wrap-around
+}
+
+% Margin to add to right of even pages, to left of odd pages.
+\newdimen\bindingoffset
+\newdimen\normaloffset
+\newdimen\pagewidth \newdimen\pageheight
+
+% For a final copy, take out the rectangles
+% that mark overfull boxes (in case you have decided
+% that the text looks ok even though it passes the margin).
+%
+\def\finalout{\overfullrule=0pt}
+
+% @| inserts a changebar to the left of the current line.  It should
+% surround any changed text.  This approach does *not* work if the
+% change spans more than two lines of output.  To handle that, we would
+% have adopt a much more difficult approach (putting marks into the main
+% vertical list for the beginning and end of each change).
+%
+\def\|{%
+  % \vadjust can only be used in horizontal mode.
+  \leavevmode
+  %
+  % Append this vertical mode material after the current line in the output.
+  \vadjust{%
+    % We want to insert a rule with the height and depth of the current
+    % leading; that is exactly what \strutbox is supposed to record.
+    \vskip-\baselineskip
+    %
+    % \vadjust-items are inserted at the left edge of the type.  So
+    % the \llap here moves out into the left-hand margin.
+    \llap{%
+      %
+      % For a thicker or thinner bar, change the `1pt'.
+      \vrule height\baselineskip width1pt
+      %
+      % This is the space between the bar and the text.
+      \hskip 12pt
+    }%
+  }%
+}
+
+% Sometimes it is convenient to have everything in the transcript file
+% and nothing on the terminal.  We don't just call \tracingall here,
+% since that produces some useless output on the terminal.  We also make
+% some effort to order the tracing commands to reduce output in the log
+% file; cf. trace.sty in LaTeX.
+%
+\def\gloggingall{\begingroup \globaldefs = 1 \loggingall \endgroup}%
+\def\loggingall{%
+  \tracingstats2
+  \tracingpages1
+  \tracinglostchars2  % 2 gives us more in etex
+  \tracingparagraphs1
+  \tracingoutput1
+  \tracingmacros2
+  \tracingrestores1
+  \showboxbreadth\maxdimen \showboxdepth\maxdimen
+  \ifx\eTeXversion\undefined\else % etex gives us more logging
+    \tracingscantokens1
+    \tracingifs1
+    \tracinggroups1
+    \tracingnesting2
+    \tracingassigns1
+  \fi
+  \tracingcommands3  % 3 gives us more in etex
+  \errorcontextlines16
+}%
+
+% add check for \lastpenalty to plain's definitions.  If the last thing
+% we did was a \nobreak, we don't want to insert more space.
+%
+\def\smallbreak{\ifnum\lastpenalty<10000\par\ifdim\lastskip<\smallskipamount
+  \removelastskip\penalty-50\smallskip\fi\fi}
+\def\medbreak{\ifnum\lastpenalty<10000\par\ifdim\lastskip<\medskipamount
+  \removelastskip\penalty-100\medskip\fi\fi}
+\def\bigbreak{\ifnum\lastpenalty<10000\par\ifdim\lastskip<\bigskipamount
+  \removelastskip\penalty-200\bigskip\fi\fi}
+
+% For @cropmarks command.
+% Do @cropmarks to get crop marks.
+%
+\newif\ifcropmarks
+\let\cropmarks = \cropmarkstrue
+%
+% Dimensions to add cropmarks at corners.
+% Added by P. A. MacKay, 12 Nov. 1986
+%
+\newdimen\outerhsize \newdimen\outervsize % set by the paper size routines
+\newdimen\cornerlong  \cornerlong=1pc
+\newdimen\cornerthick \cornerthick=.3pt
+\newdimen\topandbottommargin \topandbottommargin=.75in
+
+% Main output routine.
+\chardef\PAGE = 255
+\output = {\onepageout{\pagecontents\PAGE}}
+
+\newbox\headlinebox
+\newbox\footlinebox
+
+% \onepageout takes a vbox as an argument.  Note that \pagecontents
+% does insertions, but you have to call it yourself.
+\def\onepageout#1{%
+  \ifcropmarks \hoffset=0pt \else \hoffset=\normaloffset \fi
+  %
+  \ifodd\pageno  \advance\hoffset by \bindingoffset
+  \else \advance\hoffset by -\bindingoffset\fi
+  %
+  % Do this outside of the \shipout so @code etc. will be expanded in
+  % the headline as they should be, not taken literally (outputting ''code).
+  \setbox\headlinebox = \vbox{\let\hsize=\pagewidth \makeheadline}%
+  \setbox\footlinebox = \vbox{\let\hsize=\pagewidth \makefootline}%
+  %
+  {%
+    % Have to do this stuff outside the \shipout because we want it to
+    % take effect in \write's, yet the group defined by the \vbox ends
+    % before the \shipout runs.
+    %
+    \indexdummies         % don't expand commands in the output.
+    \shipout\vbox{%
+      % Do this early so pdf references go to the beginning of the page.
+      \ifpdfmakepagedest \pdfdest name{\the\pageno} xyz\fi
+      %
+      \ifcropmarks \vbox to \outervsize\bgroup
+        \hsize = \outerhsize
+        \vskip-\topandbottommargin
+        \vtop to0pt{%
+          \line{\ewtop\hfil\ewtop}%
+          \nointerlineskip
+          \line{%
+            \vbox{\moveleft\cornerthick\nstop}%
+            \hfill
+            \vbox{\moveright\cornerthick\nstop}%
+          }%
+          \vss}%
+        \vskip\topandbottommargin
+        \line\bgroup
+          \hfil % center the page within the outer (page) hsize.
+          \ifodd\pageno\hskip\bindingoffset\fi
+          \vbox\bgroup
+      \fi
+      %
+      \unvbox\headlinebox
+      \pagebody{#1}%
+      \ifdim\ht\footlinebox > 0pt
+        % Only leave this space if the footline is nonempty.
+        % (We lessened \vsize for it in \oddfootingxxx.)
+        % The \baselineskip=24pt in plain's \makefootline has no effect.
+        \vskip 2\baselineskip
+        \unvbox\footlinebox
+      \fi
+      %
+      \ifcropmarks
+          \egroup % end of \vbox\bgroup
+        \hfil\egroup % end of (centering) \line\bgroup
+        \vskip\topandbottommargin plus1fill minus1fill
+        \boxmaxdepth = \cornerthick
+        \vbox to0pt{\vss
+          \line{%
+            \vbox{\moveleft\cornerthick\nsbot}%
+            \hfill
+            \vbox{\moveright\cornerthick\nsbot}%
+          }%
+          \nointerlineskip
+          \line{\ewbot\hfil\ewbot}%
+        }%
+      \egroup % \vbox from first cropmarks clause
+      \fi
+    }% end of \shipout\vbox
+  }% end of group with \indexdummies
+  \advancepageno
+  \ifnum\outputpenalty>-20000 \else\dosupereject\fi
+}
+
+\newinsert\margin \dimen\margin=\maxdimen
+
+\def\pagebody#1{\vbox to\pageheight{\boxmaxdepth=\maxdepth #1}}
+{\catcode`\@ =11
+\gdef\pagecontents#1{\ifvoid\topins\else\unvbox\topins\fi
+% marginal hacks, juha at viisa.uucp (Juha Takala)
+\ifvoid\margin\else % marginal info is present
+  \rlap{\kern\hsize\vbox to\z@{\kern1pt\box\margin \vss}}\fi
+\dimen@=\dp#1 \unvbox#1
+\ifvoid\footins\else\vskip\skip\footins\footnoterule \unvbox\footins\fi
+\ifr at ggedbottom \kern-\dimen@ \vfil \fi}
+}
+
+% Here are the rules for the cropmarks.  Note that they are
+% offset so that the space between them is truly \outerhsize or \outervsize
+% (P. A. MacKay, 12 November, 1986)
+%
+\def\ewtop{\vrule height\cornerthick depth0pt width\cornerlong}
+\def\nstop{\vbox
+  {\hrule height\cornerthick depth\cornerlong width\cornerthick}}
+\def\ewbot{\vrule height0pt depth\cornerthick width\cornerlong}
+\def\nsbot{\vbox
+  {\hrule height\cornerlong depth\cornerthick width\cornerthick}}
+
+% Parse an argument, then pass it to #1.  The argument is the rest of
+% the input line (except we remove a trailing comment).  #1 should be a
+% macro which expects an ordinary undelimited TeX argument.
+%
+\def\parsearg{\parseargusing{}}
+\def\parseargusing#1#2{%
+  \def\next{#2}%
+  \begingroup
+    \obeylines
+    \spaceisspace
+    #1%
+    \parseargline\empty% Insert the \empty token, see \finishparsearg below.
+}
+
+{\obeylines %
+  \gdef\parseargline#1^^M{%
+    \endgroup % End of the group started in \parsearg.
+    \argremovecomment #1\comment\ArgTerm%
+  }%
+}
+
+% First remove any @comment, then any @c comment.
+\def\argremovecomment#1\comment#2\ArgTerm{\argremovec #1\c\ArgTerm}
+\def\argremovec#1\c#2\ArgTerm{\argcheckspaces#1\^^M\ArgTerm}
+
+% Each occurence of `\^^M' or `<space>\^^M' is replaced by a single space.
+%
+% \argremovec might leave us with trailing space, e.g.,
+%    @end itemize  @c foo
+% This space token undergoes the same procedure and is eventually removed
+% by \finishparsearg.
+%
+\def\argcheckspaces#1\^^M{\argcheckspacesX#1\^^M \^^M}
+\def\argcheckspacesX#1 \^^M{\argcheckspacesY#1\^^M}
+\def\argcheckspacesY#1\^^M#2\^^M#3\ArgTerm{%
+  \def\temp{#3}%
+  \ifx\temp\empty
+    % We cannot use \next here, as it holds the macro to run;
+    % thus we reuse \temp.
+    \let\temp\finishparsearg
+  \else
+    \let\temp\argcheckspaces
+  \fi
+  % Put the space token in:
+  \temp#1 #3\ArgTerm
+}
+
+% If a _delimited_ argument is enclosed in braces, they get stripped; so
+% to get _exactly_ the rest of the line, we had to prevent such situation.
+% We prepended an \empty token at the very beginning and we expand it now,
+% just before passing the control to \next.
+% (Similarily, we have to think about #3 of \argcheckspacesY above: it is
+% either the null string, or it ends with \^^M---thus there is no danger
+% that a pair of braces would be stripped.
+%
+% But first, we have to remove the trailing space token.
+%
+\def\finishparsearg#1 \ArgTerm{\expandafter\next\expandafter{#1}}
+
+% \parseargdef\foo{...}
+%	is roughly equivalent to
+% \def\foo{\parsearg\Xfoo}
+% \def\Xfoo#1{...}
+%
+% Actually, I use \csname\string\foo\endcsname, ie. \\foo, as it is my
+% favourite TeX trick.  --kasal, 16nov03
+
+\def\parseargdef#1{%
+  \expandafter \doparseargdef \csname\string#1\endcsname #1%
+}
+\def\doparseargdef#1#2{%
+  \def#2{\parsearg#1}%
+  \def#1##1%
+}
+
+% Several utility definitions with active space:
+{
+  \obeyspaces
+  \gdef\obeyedspace{ }
+
+  % Make each space character in the input produce a normal interword
+  % space in the output.  Don't allow a line break at this space, as this
+  % is used only in environments like @example, where each line of input
+  % should produce a line of output anyway.
+  %
+  \gdef\sepspaces{\obeyspaces\let =\tie}
+
+  % If an index command is used in an @example environment, any spaces
+  % therein should become regular spaces in the raw index file, not the
+  % expansion of \tie (\leavevmode \penalty \@M \ ).
+  \gdef\unsepspaces{\let =\space}
+}
+
+
+\def\flushcr{\ifx\par\lisppar \def\next##1{}\else \let\next=\relax \fi \next}
+
+% Define the framework for environments in texinfo.tex.  It's used like this:
+%
+%   \envdef\foo{...}
+%   \def\Efoo{...}
+%
+% It's the responsibility of \envdef to insert \begingroup before the
+% actual body; @end closes the group after calling \Efoo.  \envdef also
+% defines \thisenv, so the current environment is known; @end checks
+% whether the environment name matches.  The \checkenv macro can also be
+% used to check whether the current environment is the one expected.
+%
+% Non-false conditionals (@iftex, @ifset) don't fit into this, so they
+% are not treated as enviroments; they don't open a group.  (The
+% implementation of @end takes care not to call \endgroup in this
+% special case.)
+
+
+% At runtime, environments start with this:
+\def\startenvironment#1{\begingroup\def\thisenv{#1}}
+% initialize
+\let\thisenv\empty
+
+% ... but they get defined via ``\envdef\foo{...}'':
+\long\def\envdef#1#2{\def#1{\startenvironment#1#2}}
+\def\envparseargdef#1#2{\parseargdef#1{\startenvironment#1#2}}
+
+% Check whether we're in the right environment:
+\def\checkenv#1{%
+  \def\temp{#1}%
+  \ifx\thisenv\temp
+  \else
+    \badenverr
+  \fi
+}
+
+% Evironment mismatch, #1 expected:
+\def\badenverr{%
+  \errhelp = \EMsimple
+  \errmessage{This command can appear only \inenvironment\temp,
+    not \inenvironment\thisenv}%
+}
+\def\inenvironment#1{%
+  \ifx#1\empty
+    out of any environment%
+  \else
+    in environment \expandafter\string#1%
+  \fi
+}
+
+% @end foo executes the definition of \Efoo.
+% But first, it executes a specialized version of \checkenv
+%
+\parseargdef\end{%
+  \if 1\csname iscond.#1\endcsname
+  \else
+    % The general wording of \badenverr may not be ideal, but... --kasal, 06nov03
+    \expandafter\checkenv\csname#1\endcsname
+    \csname E#1\endcsname
+    \endgroup
+  \fi
+}
+
+\newhelp\EMsimple{Press RETURN to continue.}
+
+
+%% Simple single-character @ commands
+
+% @@ prints an @
+% Kludge this until the fonts are right (grr).
+\def\@{{\tt\char64}}
+
+% This is turned off because it was never documented
+% and you can use @w{...} around a quote to suppress ligatures.
+%% Define @` and @' to be the same as ` and '
+%% but suppressing ligatures.
+%\def\`{{`}}
+%\def\'{{'}}
+
+% Used to generate quoted braces.
+\def\mylbrace {{\tt\char123}}
+\def\myrbrace {{\tt\char125}}
+\let\{=\mylbrace
+\let\}=\myrbrace
+\begingroup
+  % Definitions to produce \{ and \} commands for indices,
+  % and @{ and @} for the aux/toc files.
+  \catcode`\{ = \other \catcode`\} = \other
+  \catcode`\[ = 1 \catcode`\] = 2
+  \catcode`\! = 0 \catcode`\\ = \other
+  !gdef!lbracecmd[\{]%
+  !gdef!rbracecmd[\}]%
+  !gdef!lbraceatcmd[@{]%
+  !gdef!rbraceatcmd[@}]%
+!endgroup
+
+% @comma{} to avoid , parsing problems.
+\let\comma = ,
+
+% Accents: @, @dotaccent @ringaccent @ubaraccent @udotaccent
+% Others are defined by plain TeX: @` @' @" @^ @~ @= @u @v @H.
+\let\, = \c
+\let\dotaccent = \.
+\def\ringaccent#1{{\accent23 #1}}
+\let\tieaccent = \t
+\let\ubaraccent = \b
+\let\udotaccent = \d
+
+% Other special characters: @questiondown @exclamdown @ordf @ordm
+% Plain TeX defines: @AA @AE @O @OE @L (plus lowercase versions) @ss.
+\def\questiondown{?`}
+\def\exclamdown{!`}
+\def\ordf{\leavevmode\raise1ex\hbox{\selectfonts\lllsize \underbar{a}}}
+\def\ordm{\leavevmode\raise1ex\hbox{\selectfonts\lllsize \underbar{o}}}
+
+% Dotless i and dotless j, used for accents.
+\def\imacro{i}
+\def\jmacro{j}
+\def\dotless#1{%
+  \def\temp{#1}%
+  \ifx\temp\imacro \ptexi
+  \else\ifx\temp\jmacro \j
+  \else \errmessage{@dotless can be used only with i or j}%
+  \fi\fi
+}
+
+% The \TeX{} logo, as in plain, but resetting the spacing so that a
+% period following counts as ending a sentence.  (Idea found in latex.)
+%
+\edef\TeX{\TeX \spacefactor=1000 }
+
+% @LaTeX{} logo.  Not quite the same results as the definition in
+% latex.ltx, since we use a different font for the raised A; it's most
+% convenient for us to use an explicitly smaller font, rather than using
+% the \scriptstyle font (since we don't reset \scriptstyle and
+% \scriptscriptstyle).
+%
+\def\LaTeX{%
+  L\kern-.36em
+  {\setbox0=\hbox{T}%
+   \vbox to \ht0{\hbox{\selectfonts\lllsize A}\vss}}%
+  \kern-.15em
+  \TeX
+}
+
+% Be sure we're in horizontal mode when doing a tie, since we make space
+% equivalent to this in @example-like environments. Otherwise, a space
+% at the beginning of a line will start with \penalty -- and
+% since \penalty is valid in vertical mode, we'd end up putting the
+% penalty on the vertical list instead of in the new paragraph.
+{\catcode`@ = 11
+ % Avoid using \@M directly, because that causes trouble
+ % if the definition is written into an index file.
+ \global\let\tiepenalty = \@M
+ \gdef\tie{\leavevmode\penalty\tiepenalty\ }
+}
+
+% @: forces normal size whitespace following.
+\def\:{\spacefactor=1000 }
+
+% @* forces a line break.
+\def\*{\hfil\break\hbox{}\ignorespaces}
+
+% @/ allows a line break.
+\let\/=\allowbreak
+
+% @. is an end-of-sentence period.
+\def\.{.\spacefactor=\endofsentencespacefactor\space}
+
+% @! is an end-of-sentence bang.
+\def\!{!\spacefactor=\endofsentencespacefactor\space}
+
+% @? is an end-of-sentence query.
+\def\?{?\spacefactor=\endofsentencespacefactor\space}
+
+% @frenchspacing on|off  says whether to put extra space after punctuation.
+% 
+\def\onword{on}
+\def\offword{off}
+%
+\parseargdef\frenchspacing{%
+  \def\temp{#1}%
+  \ifx\temp\onword \plainfrenchspacing
+  \else\ifx\temp\offword \plainnonfrenchspacing
+  \else
+    \errhelp = \EMsimple
+    \errmessage{Unknown @frenchspacing option `\temp', must be on/off}%
+  \fi\fi
+}
+
+% @w prevents a word break.  Without the \leavevmode, @w at the
+% beginning of a paragraph, when TeX is still in vertical mode, would
+% produce a whole line of output instead of starting the paragraph.
+\def\w#1{\leavevmode\hbox{#1}}
+
+% @group ... @end group forces ... to be all on one page, by enclosing
+% it in a TeX vbox.  We use \vtop instead of \vbox to construct the box
+% to keep its height that of a normal line.  According to the rules for
+% \topskip (p.114 of the TeXbook), the glue inserted is
+% max (\topskip - \ht (first item), 0).  If that height is large,
+% therefore, no glue is inserted, and the space between the headline and
+% the text is small, which looks bad.
+%
+% Another complication is that the group might be very large.  This can
+% cause the glue on the previous page to be unduly stretched, because it
+% does not have much material.  In this case, it's better to add an
+% explicit \vfill so that the extra space is at the bottom.  The
+% threshold for doing this is if the group is more than \vfilllimit
+% percent of a page (\vfilllimit can be changed inside of @tex).
+%
+\newbox\groupbox
+\def\vfilllimit{0.7}
+%
+\envdef\group{%
+  \ifnum\catcode`\^^M=\active \else
+    \errhelp = \groupinvalidhelp
+    \errmessage{@group invalid in context where filling is enabled}%
+  \fi
+  \startsavinginserts
+  %
+  \setbox\groupbox = \vtop\bgroup
+    % Do @comment since we are called inside an environment such as
+    % @example, where each end-of-line in the input causes an
+    % end-of-line in the output.  We don't want the end-of-line after
+    % the `@group' to put extra space in the output.  Since @group
+    % should appear on a line by itself (according to the Texinfo
+    % manual), we don't worry about eating any user text.
+    \comment
+}
+%
+% The \vtop produces a box with normal height and large depth; thus, TeX puts
+% \baselineskip glue before it, and (when the next line of text is done)
+% \lineskip glue after it.  Thus, space below is not quite equal to space
+% above.  But it's pretty close.
+\def\Egroup{%
+    % To get correct interline space between the last line of the group
+    % and the first line afterwards, we have to propagate \prevdepth.
+    \endgraf % Not \par, as it may have been set to \lisppar.
+    \global\dimen1 = \prevdepth
+  \egroup           % End the \vtop.
+  % \dimen0 is the vertical size of the group's box.
+  \dimen0 = \ht\groupbox  \advance\dimen0 by \dp\groupbox
+  % \dimen2 is how much space is left on the page (more or less).
+  \dimen2 = \pageheight   \advance\dimen2 by -\pagetotal
+  % if the group doesn't fit on the current page, and it's a big big
+  % group, force a page break.
+  \ifdim \dimen0 > \dimen2
+    \ifdim \pagetotal < \vfilllimit\pageheight
+      \page
+    \fi
+  \fi
+  \box\groupbox
+  \prevdepth = \dimen1
+  \checkinserts
+}
+%
+% TeX puts in an \escapechar (i.e., `@') at the beginning of the help
+% message, so this ends up printing `@group can only ...'.
+%
+\newhelp\groupinvalidhelp{%
+group can only be used in environments such as @example,^^J%
+where each line of input produces a line of output.}
+
+% @need space-in-mils
+% forces a page break if there is not space-in-mils remaining.
+
+\newdimen\mil  \mil=0.001in
+
+% Old definition--didn't work.
+%\parseargdef\need{\par %
+%% This method tries to make TeX break the page naturally
+%% if the depth of the box does not fit.
+%{\baselineskip=0pt%
+%\vtop to #1\mil{\vfil}\kern -#1\mil\nobreak
+%\prevdepth=-1000pt
+%}}
+
+\parseargdef\need{%
+  % Ensure vertical mode, so we don't make a big box in the middle of a
+  % paragraph.
+  \par
+  %
+  % If the @need value is less than one line space, it's useless.
+  \dimen0 = #1\mil
+  \dimen2 = \ht\strutbox
+  \advance\dimen2 by \dp\strutbox
+  \ifdim\dimen0 > \dimen2
+    %
+    % Do a \strut just to make the height of this box be normal, so the
+    % normal leading is inserted relative to the preceding line.
+    % And a page break here is fine.
+    \vtop to #1\mil{\strut\vfil}%
+    %
+    % TeX does not even consider page breaks if a penalty added to the
+    % main vertical list is 10000 or more.  But in order to see if the
+    % empty box we just added fits on the page, we must make it consider
+    % page breaks.  On the other hand, we don't want to actually break the
+    % page after the empty box.  So we use a penalty of 9999.
+    %
+    % There is an extremely small chance that TeX will actually break the
+    % page at this \penalty, if there are no other feasible breakpoints in
+    % sight.  (If the user is using lots of big @group commands, which
+    % almost-but-not-quite fill up a page, TeX will have a hard time doing
+    % good page breaking, for example.)  However, I could not construct an
+    % example where a page broke at this \penalty; if it happens in a real
+    % document, then we can reconsider our strategy.
+    \penalty9999
+    %
+    % Back up by the size of the box, whether we did a page break or not.
+    \kern -#1\mil
+    %
+    % Do not allow a page break right after this kern.
+    \nobreak
+  \fi
+}
+
+% @br   forces paragraph break (and is undocumented).
+
+\let\br = \par
+
+% @page forces the start of a new page.
+%
+\def\page{\par\vfill\supereject}
+
+% @exdent text....
+% outputs text on separate line in roman font, starting at standard page margin
+
+% This records the amount of indent in the innermost environment.
+% That's how much \exdent should take out.
+\newskip\exdentamount
+
+% This defn is used inside fill environments such as @defun.
+\parseargdef\exdent{\hfil\break\hbox{\kern -\exdentamount{\rm#1}}\hfil\break}
+
+% This defn is used inside nofill environments such as @example.
+\parseargdef\nofillexdent{{\advance \leftskip by -\exdentamount
+  \leftline{\hskip\leftskip{\rm#1}}}}
+
+% @inmargin{WHICH}{TEXT} puts TEXT in the WHICH margin next to the current
+% paragraph.  For more general purposes, use the \margin insertion
+% class.  WHICH is `l' or `r'.
+%
+\newskip\inmarginspacing \inmarginspacing=1cm
+\def\strutdepth{\dp\strutbox}
+%
+\def\doinmargin#1#2{\strut\vadjust{%
+  \nobreak
+  \kern-\strutdepth
+  \vtop to \strutdepth{%
+    \baselineskip=\strutdepth
+    \vss
+    % if you have multiple lines of stuff to put here, you'll need to
+    % make the vbox yourself of the appropriate size.
+    \ifx#1l%
+      \llap{\ignorespaces #2\hskip\inmarginspacing}%
+    \else
+      \rlap{\hskip\hsize \hskip\inmarginspacing \ignorespaces #2}%
+    \fi
+    \null
+  }%
+}}
+\def\inleftmargin{\doinmargin l}
+\def\inrightmargin{\doinmargin r}
+%
+% @inmargin{TEXT [, RIGHT-TEXT]}
+% (if RIGHT-TEXT is given, use TEXT for left page, RIGHT-TEXT for right;
+% else use TEXT for both).
+%
+\def\inmargin#1{\parseinmargin #1,,\finish}
+\def\parseinmargin#1,#2,#3\finish{% not perfect, but better than nothing.
+  \setbox0 = \hbox{\ignorespaces #2}%
+  \ifdim\wd0 > 0pt
+    \def\lefttext{#1}%  have both texts
+    \def\righttext{#2}%
+  \else
+    \def\lefttext{#1}%  have only one text
+    \def\righttext{#1}%
+  \fi
+  %
+  \ifodd\pageno
+    \def\temp{\inrightmargin\righttext}% odd page -> outside is right margin
+  \else
+    \def\temp{\inleftmargin\lefttext}%
+  \fi
+  \temp
+}
+
+% @include file    insert text of that file as input.
+%
+\def\include{\parseargusing\filenamecatcodes\includezzz}
+\def\includezzz#1{%
+  \pushthisfilestack
+  \def\thisfile{#1}%
+  {%
+    \makevalueexpandable
+    \def\temp{\input #1 }%
+    \expandafter
+  }\temp
+  \popthisfilestack
+}
+\def\filenamecatcodes{%
+  \catcode`\\=\other
+  \catcode`~=\other
+  \catcode`^=\other
+  \catcode`_=\other
+  \catcode`|=\other
+  \catcode`<=\other
+  \catcode`>=\other
+  \catcode`+=\other
+  \catcode`-=\other
+}
+
+\def\pushthisfilestack{%
+  \expandafter\pushthisfilestackX\popthisfilestack\StackTerm
+}
+\def\pushthisfilestackX{%
+  \expandafter\pushthisfilestackY\thisfile\StackTerm
+}
+\def\pushthisfilestackY #1\StackTerm #2\StackTerm {%
+  \gdef\popthisfilestack{\gdef\thisfile{#1}\gdef\popthisfilestack{#2}}%
+}
+
+\def\popthisfilestack{\errthisfilestackempty}
+\def\errthisfilestackempty{\errmessage{Internal error:
+  the stack of filenames is empty.}}
+
+\def\thisfile{}
+
+% @center line
+% outputs that line, centered.
+%
+\parseargdef\center{%
+  \ifhmode
+    \let\next\centerH
+  \else
+    \let\next\centerV
+  \fi
+  \next{\hfil \ignorespaces#1\unskip \hfil}%
+}
+\def\centerH#1{%
+  {%
+    \hfil\break
+    \advance\hsize by -\leftskip
+    \advance\hsize by -\rightskip
+    \line{#1}%
+    \break
+  }%
+}
+\def\centerV#1{\line{\kern\leftskip #1\kern\rightskip}}
+
+% @sp n   outputs n lines of vertical space
+
+\parseargdef\sp{\vskip #1\baselineskip}
+
+% @comment ...line which is ignored...
+% @c is the same as @comment
+% @ignore ... @end ignore  is another way to write a comment
+
+\def\comment{\begingroup \catcode`\^^M=\other%
+\catcode`\@=\other \catcode`\{=\other \catcode`\}=\other%
+\commentxxx}
+{\catcode`\^^M=\other \gdef\commentxxx#1^^M{\endgroup}}
+
+\let\c=\comment
+
+% @paragraphindent NCHARS
+% We'll use ems for NCHARS, close enough.
+% NCHARS can also be the word `asis' or `none'.
+% We cannot feasibly implement @paragraphindent asis, though.
+%
+\def\asisword{asis} % no translation, these are keywords
+\def\noneword{none}
+%
+\parseargdef\paragraphindent{%
+  \def\temp{#1}%
+  \ifx\temp\asisword
+  \else
+    \ifx\temp\noneword
+      \defaultparindent = 0pt
+    \else
+      \defaultparindent = #1em
+    \fi
+  \fi
+  \parindent = \defaultparindent
+}
+
+% @exampleindent NCHARS
+% We'll use ems for NCHARS like @paragraphindent.
+% It seems @exampleindent asis isn't necessary, but
+% I preserve it to make it similar to @paragraphindent.
+\parseargdef\exampleindent{%
+  \def\temp{#1}%
+  \ifx\temp\asisword
+  \else
+    \ifx\temp\noneword
+      \lispnarrowing = 0pt
+    \else
+      \lispnarrowing = #1em
+    \fi
+  \fi
+}
+
+% @firstparagraphindent WORD
+% If WORD is `none', then suppress indentation of the first paragraph
+% after a section heading.  If WORD is `insert', then do indent at such
+% paragraphs.
+%
+% The paragraph indentation is suppressed or not by calling
+% \suppressfirstparagraphindent, which the sectioning commands do.
+% We switch the definition of this back and forth according to WORD.
+% By default, we suppress indentation.
+%
+\def\suppressfirstparagraphindent{\dosuppressfirstparagraphindent}
+\def\insertword{insert}
+%
+\parseargdef\firstparagraphindent{%
+  \def\temp{#1}%
+  \ifx\temp\noneword
+    \let\suppressfirstparagraphindent = \dosuppressfirstparagraphindent
+  \else\ifx\temp\insertword
+    \let\suppressfirstparagraphindent = \relax
+  \else
+    \errhelp = \EMsimple
+    \errmessage{Unknown @firstparagraphindent option `\temp'}%
+  \fi\fi
+}
+
+% Here is how we actually suppress indentation.  Redefine \everypar to
+% \kern backwards by \parindent, and then reset itself to empty.
+%
+% We also make \indent itself not actually do anything until the next
+% paragraph.
+%
+\gdef\dosuppressfirstparagraphindent{%
+  \gdef\indent{%
+    \restorefirstparagraphindent
+    \indent
+  }%
+  \gdef\noindent{%
+    \restorefirstparagraphindent
+    \noindent
+  }%
+  \global\everypar = {%
+    \kern -\parindent
+    \restorefirstparagraphindent
+  }%
+}
+
+\gdef\restorefirstparagraphindent{%
+  \global \let \indent = \ptexindent
+  \global \let \noindent = \ptexnoindent
+  \global \everypar = {}%
+}
+
+
+% @asis just yields its argument.  Used with @table, for example.
+%
+\def\asis#1{#1}
+
+% @math outputs its argument in math mode.
+%
+% One complication: _ usually means subscripts, but it could also mean
+% an actual _ character, as in @math{@var{some_variable} + 1}.  So make
+% _ active, and distinguish by seeing if the current family is \slfam,
+% which is what @var uses.
+{
+  \catcode\underChar = \active
+  \gdef\mathunderscore{%
+    \catcode\underChar=\active
+    \def_{\ifnum\fam=\slfam \_\else\sb\fi}%
+  }
+}
+% Another complication: we want \\ (and @\) to output a \ character.
+% FYI, plain.tex uses \\ as a temporary control sequence (why?), but
+% this is not advertised and we don't care.  Texinfo does not
+% otherwise define @\.
+%
+% The \mathchar is class=0=ordinary, family=7=ttfam, position=5C=\.
+\def\mathbackslash{\ifnum\fam=\ttfam \mathchar"075C \else\backslash \fi}
+%
+\def\math{%
+  \tex
+  \mathunderscore
+  \let\\ = \mathbackslash
+  \mathactive
+  $\finishmath
+}
+\def\finishmath#1{#1$\endgroup}  % Close the group opened by \tex.
+
+% Some active characters (such as <) are spaced differently in math.
+% We have to reset their definitions in case the @math was an argument
+% to a command which sets the catcodes (such as @item or @section).
+%
+{
+  \catcode`^ = \active
+  \catcode`< = \active
+  \catcode`> = \active
+  \catcode`+ = \active
+  \gdef\mathactive{%
+    \let^ = \ptexhat
+    \let< = \ptexless
+    \let> = \ptexgtr
+    \let+ = \ptexplus
+  }
+}
+
+% @bullet and @minus need the same treatment as @math, just above.
+\def\bullet{$\ptexbullet$}
+\def\minus{$-$}
+
+% @dots{} outputs an ellipsis using the current font.
+% We do .5em per period so that it has the same spacing in a typewriter
+% font as three actual period characters.
+%
+\def\dots{%
+  \leavevmode
+  \hbox to 1.5em{%
+    \hskip 0pt plus 0.25fil
+    .\hfil.\hfil.%
+    \hskip 0pt plus 0.5fil
+  }%
+}
+
+% @enddots{} is an end-of-sentence ellipsis.
+%
+\def\enddots{%
+  \dots
+  \spacefactor=\endofsentencespacefactor
+}
+
+% @comma{} is so commas can be inserted into text without messing up
+% Texinfo's parsing.
+%
+\let\comma = ,
+
+% @refill is a no-op.
+\let\refill=\relax
+
+% If working on a large document in chapters, it is convenient to
+% be able to disable indexing, cross-referencing, and contents, for test runs.
+% This is done with @novalidate (before @setfilename).
+%
+\newif\iflinks \linkstrue % by default we want the aux files.
+\let\novalidate = \linksfalse
+
+% @setfilename is done at the beginning of every texinfo file.
+% So open here the files we need to have open while reading the input.
+% This makes it possible to make a .fmt file for texinfo.
+\def\setfilename{%
+   \fixbackslash  % Turn off hack to swallow `\input texinfo'.
+   \iflinks
+     \tryauxfile
+     % Open the new aux file.  TeX will close it automatically at exit.
+     \immediate\openout\auxfile=\jobname.aux
+   \fi % \openindices needs to do some work in any case.
+   \openindices
+   \let\setfilename=\comment % Ignore extra @setfilename cmds.
+   %
+   % If texinfo.cnf is present on the system, read it.
+   % Useful for site-wide @afourpaper, etc.
+   \openin 1 texinfo.cnf
+   \ifeof 1 \else \input texinfo.cnf \fi
+   \closein 1
+   %
+   \comment % Ignore the actual filename.
+}
+
+% Called from \setfilename.
+%
+\def\openindices{%
+  \newindex{cp}%
+  \newcodeindex{fn}%
+  \newcodeindex{vr}%
+  \newcodeindex{tp}%
+  \newcodeindex{ky}%
+  \newcodeindex{pg}%
+}
+
+% @bye.
+\outer\def\bye{\pagealignmacro\tracingstats=1\ptexend}
+
+
+\message{pdf,}
+% adobe `portable' document format
+\newcount\tempnum
+\newcount\lnkcount
+\newtoks\filename
+\newcount\filenamelength
+\newcount\pgn
+\newtoks\toksA
+\newtoks\toksB
+\newtoks\toksC
+\newtoks\toksD
+\newbox\boxA
+\newcount\countA
+\newif\ifpdf
+\newif\ifpdfmakepagedest
+
+% when pdftex is run in dvi mode, \pdfoutput is defined (so \pdfoutput=1
+% can be set).  So we test for \relax and 0 as well as \undefined,
+% borrowed from ifpdf.sty.
+\ifx\pdfoutput\undefined
+\else
+  \ifx\pdfoutput\relax
+  \else
+    \ifcase\pdfoutput
+    \else
+      \pdftrue
+    \fi
+  \fi
+\fi
+
+% PDF uses PostScript string constants for the names of xref targets, to
+% for display in the outlines, and in other places.  Thus, we have to
+% double any backslashes.  Otherwise, a name like "\node" will be
+% interpreted as a newline (\n), followed by o, d, e.  Not good.
+% http://www.ntg.nl/pipermail/ntg-pdftex/2004-July/000654.html
+% (and related messages, the final outcome is that it is up to the TeX
+% user to double the backslashes and otherwise make the string valid, so
+% that's we do).
+
+% double active backslashes.
+% 
+{\catcode`\@=0 \catcode`\\=\active
+ @gdef at activebackslash{@catcode`@\=@active @otherbackslash}
+ @gdef at activebackslashdouble{%
+   @catcode at backChar=@active
+   @let\=@doublebackslash}
+}
+
+% To handle parens, we must adopt a different approach, since parens are
+% not active characters.  hyperref.dtx (which has the same problem as
+% us) handles it with this amazing macro to replace tokens.  I've
+% tinkered with it a little for texinfo, but it's definitely from there.
+% 
+% #1 is the tokens to replace.
+% #2 is the replacement.
+% #3 is the control sequence with the string.
+% 
+\def\HyPsdSubst#1#2#3{%
+  \def\HyPsdReplace##1#1##2\END{%
+    ##1%
+    \ifx\\##2\\%
+    \else
+      #2%
+      \HyReturnAfterFi{%
+        \HyPsdReplace##2\END
+      }%
+    \fi
+  }%
+  \xdef#3{\expandafter\HyPsdReplace#3#1\END}%
+}
+\long\def\HyReturnAfterFi#1\fi{\fi#1}
+
+% #1 is a control sequence in which to do the replacements.
+\def\backslashparens#1{%
+  \xdef#1{#1}% redefine it as its expansion; the definition is simply
+             % \lastnode when called from \setref -> \pdfmkdest.
+  \HyPsdSubst{(}{\backslashlparen}{#1}%
+  \HyPsdSubst{)}{\backslashrparen}{#1}%
+}
+
+{\catcode\exclamChar = 0 \catcode\backChar = \other
+ !gdef!backslashlparen{\(}%
+ !gdef!backslashrparen{\)}%
+}
+
+\ifpdf
+  \input pdfcolor
+  \pdfcatalog{/PageMode /UseOutlines}%
+  \def\dopdfimage#1#2#3{%
+    \def\imagewidth{#2}%
+    \def\imageheight{#3}%
+    % without \immediate, pdftex seg faults when the same image is
+    % included twice.  (Version 3.14159-pre-1.0-unofficial-20010704.)
+    \ifnum\pdftexversion < 14
+      \immediate\pdfimage
+    \else
+      \immediate\pdfximage
+    \fi
+      \ifx\empty\imagewidth\else width \imagewidth \fi
+      \ifx\empty\imageheight\else height \imageheight \fi
+      \ifnum\pdftexversion<13
+         #1.pdf%
+       \else
+         {#1.pdf}%
+       \fi
+    \ifnum\pdftexversion < 14 \else
+      \pdfrefximage \pdflastximage
+    \fi}
+  \def\pdfmkdest#1{{%
+    % We have to set dummies so commands such as @code, and characters
+    % such as \, aren't expanded when present in a section title.
+    \atdummies
+    \activebackslashdouble
+    \def\pdfdestname{#1}%
+    \backslashparens\pdfdestname
+    \pdfdest name{\pdfdestname} xyz%
+  }}%
+  %
+  % used to mark target names; must be expandable.
+  \def\pdfmkpgn#1{#1}%
+  %
+  \let\linkcolor = \Blue  % was Cyan, but that seems light?
+  \def\endlink{\Black\pdfendlink}
+  % Adding outlines to PDF; macros for calculating structure of outlines
+  % come from Petr Olsak
+  \def\expnumber#1{\expandafter\ifx\csname#1\endcsname\relax 0%
+    \else \csname#1\endcsname \fi}
+  \def\advancenumber#1{\tempnum=\expnumber{#1}\relax
+    \advance\tempnum by 1
+    \expandafter\xdef\csname#1\endcsname{\the\tempnum}}
+  %
+  % #1 is the section text, which is what will be displayed in the
+  % outline by the pdf viewer.  #2 is the pdf expression for the number
+  % of subentries (or empty, for subsubsections).  #3 is the node text,
+  % which might be empty if this toc entry had no corresponding node.
+  % #4 is the page number
+  %
+  \def\dopdfoutline#1#2#3#4{%
+    % Generate a link to the node text if that exists; else, use the
+    % page number.  We could generate a destination for the section
+    % text in the case where a section has no node, but it doesn't
+    % seem worth the trouble, since most documents are normally structured.
+    \def\pdfoutlinedest{#3}%
+    \ifx\pdfoutlinedest\empty
+      \def\pdfoutlinedest{#4}%
+    \else
+      % Doubled backslashes in the name.
+      {\activebackslashdouble \xdef\pdfoutlinedest{#3}%
+       \backslashparens\pdfoutlinedest}%
+    \fi
+    %
+    % Also double the backslashes in the display string.
+    {\activebackslashdouble \xdef\pdfoutlinetext{#1}%
+     \backslashparens\pdfoutlinetext}%
+    %
+    \pdfoutline goto name{\pdfmkpgn{\pdfoutlinedest}}#2{\pdfoutlinetext}%
+  }
+  %
+  \def\pdfmakeoutlines{%
+    \begingroup
+      % Thanh's hack / proper braces in bookmarks
+      \edef\mylbrace{\iftrue \string{\else}\fi}\let\{=\mylbrace
+      \edef\myrbrace{\iffalse{\else\string}\fi}\let\}=\myrbrace
+      %
+      % Read toc silently, to get counts of subentries for \pdfoutline.
+      \def\numchapentry##1##2##3##4{%
+	\def\thischapnum{##2}%
+	\def\thissecnum{0}%
+	\def\thissubsecnum{0}%
+      }%
+      \def\numsecentry##1##2##3##4{%
+	\advancenumber{chap\thischapnum}%
+	\def\thissecnum{##2}%
+	\def\thissubsecnum{0}%
+      }%
+      \def\numsubsecentry##1##2##3##4{%
+	\advancenumber{sec\thissecnum}%
+	\def\thissubsecnum{##2}%
+      }%
+      \def\numsubsubsecentry##1##2##3##4{%
+	\advancenumber{subsec\thissubsecnum}%
+      }%
+      \def\thischapnum{0}%
+      \def\thissecnum{0}%
+      \def\thissubsecnum{0}%
+      %
+      % use \def rather than \let here because we redefine \chapentry et
+      % al. a second time, below.
+      \def\appentry{\numchapentry}%
+      \def\appsecentry{\numsecentry}%
+      \def\appsubsecentry{\numsubsecentry}%
+      \def\appsubsubsecentry{\numsubsubsecentry}%
+      \def\unnchapentry{\numchapentry}%
+      \def\unnsecentry{\numsecentry}%
+      \def\unnsubsecentry{\numsubsecentry}%
+      \def\unnsubsubsecentry{\numsubsubsecentry}%
+      \readdatafile{toc}%
+      %
+      % Read toc second time, this time actually producing the outlines.
+      % The `-' means take the \expnumber as the absolute number of
+      % subentries, which we calculated on our first read of the .toc above.
+      %
+      % We use the node names as the destinations.
+      \def\numchapentry##1##2##3##4{%
+        \dopdfoutline{##1}{count-\expnumber{chap##2}}{##3}{##4}}%
+      \def\numsecentry##1##2##3##4{%
+        \dopdfoutline{##1}{count-\expnumber{sec##2}}{##3}{##4}}%
+      \def\numsubsecentry##1##2##3##4{%
+        \dopdfoutline{##1}{count-\expnumber{subsec##2}}{##3}{##4}}%
+      \def\numsubsubsecentry##1##2##3##4{% count is always zero
+        \dopdfoutline{##1}{}{##3}{##4}}%
+      %
+      % PDF outlines are displayed using system fonts, instead of
+      % document fonts.  Therefore we cannot use special characters,
+      % since the encoding is unknown.  For example, the eogonek from
+      % Latin 2 (0xea) gets translated to a | character.  Info from
+      % Staszek Wawrykiewicz, 19 Jan 2004 04:09:24 +0100.
+      %
+      % xx to do this right, we have to translate 8-bit characters to
+      % their "best" equivalent, based on the @documentencoding.  Right
+      % now, I guess we'll just let the pdf reader have its way.
+      \indexnofonts
+      \setupdatafile
+      \activebackslash
+      \input \jobname.toc
+    \endgroup
+  }
+  %
+  \def\skipspaces#1{\def\PP{#1}\def\D{|}%
+    \ifx\PP\D\let\nextsp\relax
+    \else\let\nextsp\skipspaces
+      \ifx\p\space\else\addtokens{\filename}{\PP}%
+        \advance\filenamelength by 1
+      \fi
+    \fi
+    \nextsp}
+  \def\getfilename#1{\filenamelength=0\expandafter\skipspaces#1|\relax}
+  \ifnum\pdftexversion < 14
+    \let \startlink \pdfannotlink
+  \else
+    \let \startlink \pdfstartlink
+  \fi
+  \def\pdfurl#1{%
+    \begingroup
+      \normalturnoffactive\def\@{@}%
+      \makevalueexpandable
+      \leavevmode\Red
+      \startlink attr{/Border [0 0 0]}%
+        user{/Subtype /Link /A << /S /URI /URI (#1) >>}%
+    \endgroup}
+  \def\pdfgettoks#1.{\setbox\boxA=\hbox{\toksA={#1.}\toksB={}\maketoks}}
+  \def\addtokens#1#2{\edef\addtoks{\noexpand#1={\the#1#2}}\addtoks}
+  \def\adn#1{\addtokens{\toksC}{#1}\global\countA=1\let\next=\maketoks}
+  \def\poptoks#1#2|ENDTOKS|{\let\first=#1\toksD={#1}\toksA={#2}}
+  \def\maketoks{%
+    \expandafter\poptoks\the\toksA|ENDTOKS|\relax
+    \ifx\first0\adn0
+    \else\ifx\first1\adn1 \else\ifx\first2\adn2 \else\ifx\first3\adn3
+    \else\ifx\first4\adn4 \else\ifx\first5\adn5 \else\ifx\first6\adn6
+    \else\ifx\first7\adn7 \else\ifx\first8\adn8 \else\ifx\first9\adn9
+    \else
+      \ifnum0=\countA\else\makelink\fi
+      \ifx\first.\let\next=\done\else
+        \let\next=\maketoks
+        \addtokens{\toksB}{\the\toksD}
+        \ifx\first,\addtokens{\toksB}{\space}\fi
+      \fi
+    \fi\fi\fi\fi\fi\fi\fi\fi\fi\fi
+    \next}
+  \def\makelink{\addtokens{\toksB}%
+    {\noexpand\pdflink{\the\toksC}}\toksC={}\global\countA=0}
+  \def\pdflink#1{%
+    \startlink attr{/Border [0 0 0]} goto name{\pdfmkpgn{#1}}
+    \linkcolor #1\endlink}
+  \def\done{\edef\st{\global\noexpand\toksA={\the\toksB}}\st}
+\else
+  \let\pdfmkdest = \gobble
+  \let\pdfurl = \gobble
+  \let\endlink = \relax
+  \let\linkcolor = \relax
+  \let\pdfmakeoutlines = \relax
+\fi  % \ifx\pdfoutput
+
+
+\message{fonts,}
+
+% Change the current font style to #1, remembering it in \curfontstyle.
+% For now, we do not accumulate font styles: @b{@i{foo}} prints foo in
+% italics, not bold italics.
+%
+\def\setfontstyle#1{%
+  \def\curfontstyle{#1}% not as a control sequence, because we are \edef'd.
+  \csname ten#1\endcsname  % change the current font
+}
+
+% Select #1 fonts with the current style.
+%
+\def\selectfonts#1{\csname #1fonts\endcsname \csname\curfontstyle\endcsname}
+
+\def\rm{\fam=0 \setfontstyle{rm}}
+\def\it{\fam=\itfam \setfontstyle{it}}
+\def\sl{\fam=\slfam \setfontstyle{sl}}
+\def\bf{\fam=\bffam \setfontstyle{bf}}\def\bfstylename{bf}
+\def\tt{\fam=\ttfam \setfontstyle{tt}}
+
+% Texinfo sort of supports the sans serif font style, which plain TeX does not.
+% So we set up a \sf.
+\newfam\sffam
+\def\sf{\fam=\sffam \setfontstyle{sf}}
+\let\li = \sf % Sometimes we call it \li, not \sf.
+
+% We don't need math for this font style.
+\def\ttsl{\setfontstyle{ttsl}}
+
+% Default leading.
+\newdimen\textleading  \textleading = 13.2pt
+
+% Set the baselineskip to #1, and the lineskip and strut size
+% correspondingly.  There is no deep meaning behind these magic numbers
+% used as factors; they just match (closely enough) what Knuth defined.
+%
+\def\lineskipfactor{.08333}
+\def\strutheightpercent{.70833}
+\def\strutdepthpercent {.29167}
+%
+\def\setleading#1{%
+  \normalbaselineskip = #1\relax
+  \normallineskip = \lineskipfactor\normalbaselineskip
+  \normalbaselines
+  \setbox\strutbox =\hbox{%
+    \vrule width0pt height\strutheightpercent\baselineskip
+                    depth \strutdepthpercent \baselineskip
+  }%
+}
+
+% Set the font macro #1 to the font named #2, adding on the
+% specified font prefix (normally `cm').
+% #3 is the font's design size, #4 is a scale factor
+\def\setfont#1#2#3#4{\font#1=\fontprefix#2#3 scaled #4}
+
+% Use cm as the default font prefix.
+% To specify the font prefix, you must define \fontprefix
+% before you read in texinfo.tex.
+\ifx\fontprefix\undefined
+\def\fontprefix{cm}
+\fi
+% Support font families that don't use the same naming scheme as CM.
+\def\rmshape{r}
+\def\rmbshape{bx}               %where the normal face is bold
+\def\bfshape{b}
+\def\bxshape{bx}
+\def\ttshape{tt}
+\def\ttbshape{tt}
+\def\ttslshape{sltt}
+\def\itshape{ti}
+\def\itbshape{bxti}
+\def\slshape{sl}
+\def\slbshape{bxsl}
+\def\sfshape{ss}
+\def\sfbshape{ss}
+\def\scshape{csc}
+\def\scbshape{csc}
+
+% Text fonts (11.2pt, magstep1).
+\def\textnominalsize{11pt}
+\edef\mainmagstep{\magstephalf}
+\setfont\textrm\rmshape{10}{\mainmagstep}
+\setfont\texttt\ttshape{10}{\mainmagstep}
+\setfont\textbf\bfshape{10}{\mainmagstep}
+\setfont\textit\itshape{10}{\mainmagstep}
+\setfont\textsl\slshape{10}{\mainmagstep}
+\setfont\textsf\sfshape{10}{\mainmagstep}
+\setfont\textsc\scshape{10}{\mainmagstep}
+\setfont\textttsl\ttslshape{10}{\mainmagstep}
+\font\texti=cmmi10 scaled \mainmagstep
+\font\textsy=cmsy10 scaled \mainmagstep
+
+% A few fonts for @defun names and args.
+\setfont\defbf\bfshape{10}{\magstep1}
+\setfont\deftt\ttshape{10}{\magstep1}
+\setfont\defttsl\ttslshape{10}{\magstep1}
+\def\df{\let\tentt=\deftt \let\tenbf = \defbf \let\tenttsl=\defttsl \bf}
+
+% Fonts for indices, footnotes, small examples (9pt).
+\def\smallnominalsize{9pt}
+\setfont\smallrm\rmshape{9}{1000}
+\setfont\smalltt\ttshape{9}{1000}
+\setfont\smallbf\bfshape{10}{900}
+\setfont\smallit\itshape{9}{1000}
+\setfont\smallsl\slshape{9}{1000}
+\setfont\smallsf\sfshape{9}{1000}
+\setfont\smallsc\scshape{10}{900}
+\setfont\smallttsl\ttslshape{10}{900}
+\font\smalli=cmmi9
+\font\smallsy=cmsy9
+
+% Fonts for small examples (8pt).
+\def\smallernominalsize{8pt}
+\setfont\smallerrm\rmshape{8}{1000}
+\setfont\smallertt\ttshape{8}{1000}
+\setfont\smallerbf\bfshape{10}{800}
+\setfont\smallerit\itshape{8}{1000}
+\setfont\smallersl\slshape{8}{1000}
+\setfont\smallersf\sfshape{8}{1000}
+\setfont\smallersc\scshape{10}{800}
+\setfont\smallerttsl\ttslshape{10}{800}
+\font\smalleri=cmmi8
+\font\smallersy=cmsy8
+
+% Fonts for title page (20.4pt):
+\def\titlenominalsize{20pt}
+\setfont\titlerm\rmbshape{12}{\magstep3}
+\setfont\titleit\itbshape{10}{\magstep4}
+\setfont\titlesl\slbshape{10}{\magstep4}
+\setfont\titlett\ttbshape{12}{\magstep3}
+\setfont\titlettsl\ttslshape{10}{\magstep4}
+\setfont\titlesf\sfbshape{17}{\magstep1}
+\let\titlebf=\titlerm
+\setfont\titlesc\scbshape{10}{\magstep4}
+\font\titlei=cmmi12 scaled \magstep3
+\font\titlesy=cmsy10 scaled \magstep4
+\def\authorrm{\secrm}
+\def\authortt{\sectt}
+
+% Chapter (and unnumbered) fonts (17.28pt).
+\def\chapnominalsize{17pt}
+\setfont\chaprm\rmbshape{12}{\magstep2}
+\setfont\chapit\itbshape{10}{\magstep3}
+\setfont\chapsl\slbshape{10}{\magstep3}
+\setfont\chaptt\ttbshape{12}{\magstep2}
+\setfont\chapttsl\ttslshape{10}{\magstep3}
+\setfont\chapsf\sfbshape{17}{1000}
+\let\chapbf=\chaprm
+\setfont\chapsc\scbshape{10}{\magstep3}
+\font\chapi=cmmi12 scaled \magstep2
+\font\chapsy=cmsy10 scaled \magstep3
+
+% Section fonts (14.4pt).
+\def\secnominalsize{14pt}
+\setfont\secrm\rmbshape{12}{\magstep1}
+\setfont\secit\itbshape{10}{\magstep2}
+\setfont\secsl\slbshape{10}{\magstep2}
+\setfont\sectt\ttbshape{12}{\magstep1}
+\setfont\secttsl\ttslshape{10}{\magstep2}
+\setfont\secsf\sfbshape{12}{\magstep1}
+\let\secbf\secrm
+\setfont\secsc\scbshape{10}{\magstep2}
+\font\seci=cmmi12 scaled \magstep1
+\font\secsy=cmsy10 scaled \magstep2
+
+% Subsection fonts (13.15pt).
+\def\ssecnominalsize{13pt}
+\setfont\ssecrm\rmbshape{12}{\magstephalf}
+\setfont\ssecit\itbshape{10}{1315}
+\setfont\ssecsl\slbshape{10}{1315}
+\setfont\ssectt\ttbshape{12}{\magstephalf}
+\setfont\ssecttsl\ttslshape{10}{1315}
+\setfont\ssecsf\sfbshape{12}{\magstephalf}
+\let\ssecbf\ssecrm
+\setfont\ssecsc\scbshape{10}{1315}
+\font\sseci=cmmi12 scaled \magstephalf
+\font\ssecsy=cmsy10 scaled 1315
+
+% Reduced fonts for @acro in text (10pt).
+\def\reducednominalsize{10pt}
+\setfont\reducedrm\rmshape{10}{1000}
+\setfont\reducedtt\ttshape{10}{1000}
+\setfont\reducedbf\bfshape{10}{1000}
+\setfont\reducedit\itshape{10}{1000}
+\setfont\reducedsl\slshape{10}{1000}
+\setfont\reducedsf\sfshape{10}{1000}
+\setfont\reducedsc\scshape{10}{1000}
+\setfont\reducedttsl\ttslshape{10}{1000}
+\font\reducedi=cmmi10
+\font\reducedsy=cmsy10
+
+% In order for the font changes to affect most math symbols and letters,
+% we have to define the \textfont of the standard families.  Since
+% texinfo doesn't allow for producing subscripts and superscripts except
+% in the main text, we don't bother to reset \scriptfont and
+% \scriptscriptfont (which would also require loading a lot more fonts).
+%
+\def\resetmathfonts{%
+  \textfont0=\tenrm \textfont1=\teni \textfont2=\tensy
+  \textfont\itfam=\tenit \textfont\slfam=\tensl \textfont\bffam=\tenbf
+  \textfont\ttfam=\tentt \textfont\sffam=\tensf
+}
+
+% The font-changing commands redefine the meanings of \tenSTYLE, instead
+% of just \STYLE.  We do this because \STYLE needs to also set the
+% current \fam for math mode.  Our \STYLE (e.g., \rm) commands hardwire
+% \tenSTYLE to set the current font.
+%
+% Each font-changing command also sets the names \lsize (one size lower)
+% and \lllsize (three sizes lower).  These relative commands are used in
+% the LaTeX logo and acronyms.
+%
+% This all needs generalizing, badly.
+%
+\def\textfonts{%
+  \let\tenrm=\textrm \let\tenit=\textit \let\tensl=\textsl
+  \let\tenbf=\textbf \let\tentt=\texttt \let\smallcaps=\textsc
+  \let\tensf=\textsf \let\teni=\texti \let\tensy=\textsy
+  \let\tenttsl=\textttsl
+  \def\curfontsize{text}%
+  \def\lsize{reduced}\def\lllsize{smaller}%
+  \resetmathfonts \setleading{\textleading}}
+\def\titlefonts{%
+  \let\tenrm=\titlerm \let\tenit=\titleit \let\tensl=\titlesl
+  \let\tenbf=\titlebf \let\tentt=\titlett \let\smallcaps=\titlesc
+  \let\tensf=\titlesf \let\teni=\titlei \let\tensy=\titlesy
+  \let\tenttsl=\titlettsl
+  \def\curfontsize{title}%
+  \def\lsize{chap}\def\lllsize{subsec}%
+  \resetmathfonts \setleading{25pt}}
+\def\titlefont#1{{\titlefonts\rm #1}}
+\def\chapfonts{%
+  \let\tenrm=\chaprm \let\tenit=\chapit \let\tensl=\chapsl
+  \let\tenbf=\chapbf \let\tentt=\chaptt \let\smallcaps=\chapsc
+  \let\tensf=\chapsf \let\teni=\chapi \let\tensy=\chapsy
+  \let\tenttsl=\chapttsl
+  \def\curfontsize{chap}%
+  \def\lsize{sec}\def\lllsize{text}%
+  \resetmathfonts \setleading{19pt}}
+\def\secfonts{%
+  \let\tenrm=\secrm \let\tenit=\secit \let\tensl=\secsl
+  \let\tenbf=\secbf \let\tentt=\sectt \let\smallcaps=\secsc
+  \let\tensf=\secsf \let\teni=\seci \let\tensy=\secsy
+  \let\tenttsl=\secttsl
+  \def\curfontsize{sec}%
+  \def\lsize{subsec}\def\lllsize{reduced}%
+  \resetmathfonts \setleading{16pt}}
+\def\subsecfonts{%
+  \let\tenrm=\ssecrm \let\tenit=\ssecit \let\tensl=\ssecsl
+  \let\tenbf=\ssecbf \let\tentt=\ssectt \let\smallcaps=\ssecsc
+  \let\tensf=\ssecsf \let\teni=\sseci \let\tensy=\ssecsy
+  \let\tenttsl=\ssecttsl
+  \def\curfontsize{ssec}%
+  \def\lsize{text}\def\lllsize{small}%
+  \resetmathfonts \setleading{15pt}}
+\let\subsubsecfonts = \subsecfonts
+\def\reducedfonts{%
+  \let\tenrm=\reducedrm \let\tenit=\reducedit \let\tensl=\reducedsl
+  \let\tenbf=\reducedbf \let\tentt=\reducedtt \let\reducedcaps=\reducedsc
+  \let\tensf=\reducedsf \let\teni=\reducedi \let\tensy=\reducedsy
+  \let\tenttsl=\reducedttsl
+  \def\curfontsize{reduced}%
+  \def\lsize{small}\def\lllsize{smaller}%
+  \resetmathfonts \setleading{10.5pt}}
+\def\smallfonts{%
+  \let\tenrm=\smallrm \let\tenit=\smallit \let\tensl=\smallsl
+  \let\tenbf=\smallbf \let\tentt=\smalltt \let\smallcaps=\smallsc
+  \let\tensf=\smallsf \let\teni=\smalli \let\tensy=\smallsy
+  \let\tenttsl=\smallttsl
+  \def\curfontsize{small}%
+  \def\lsize{smaller}\def\lllsize{smaller}%
+  \resetmathfonts \setleading{10.5pt}}
+\def\smallerfonts{%
+  \let\tenrm=\smallerrm \let\tenit=\smallerit \let\tensl=\smallersl
+  \let\tenbf=\smallerbf \let\tentt=\smallertt \let\smallcaps=\smallersc
+  \let\tensf=\smallersf \let\teni=\smalleri \let\tensy=\smallersy
+  \let\tenttsl=\smallerttsl
+  \def\curfontsize{smaller}%
+  \def\lsize{smaller}\def\lllsize{smaller}%
+  \resetmathfonts \setleading{9.5pt}}
+
+% Set the fonts to use with the @small... environments.
+\let\smallexamplefonts = \smallfonts
+
+% About \smallexamplefonts.  If we use \smallfonts (9pt), @smallexample
+% can fit this many characters:
+%   8.5x11=86   smallbook=72  a4=90  a5=69
+% If we use \scriptfonts (8pt), then we can fit this many characters:
+%   8.5x11=90+  smallbook=80  a4=90+  a5=77
+% For me, subjectively, the few extra characters that fit aren't worth
+% the additional smallness of 8pt.  So I'm making the default 9pt.
+%
+% By the way, for comparison, here's what fits with @example (10pt):
+%   8.5x11=71  smallbook=60  a4=75  a5=58
+%
+% I wish the USA used A4 paper.
+% --karl, 24jan03.
+
+
+% Set up the default fonts, so we can use them for creating boxes.
+%
+\textfonts \rm
+
+% Define these so they can be easily changed for other fonts.
+\def\angleleft{$\langle$}
+\def\angleright{$\rangle$}
+
+% Count depth in font-changes, for error checks
+\newcount\fontdepth \fontdepth=0
+
+% Fonts for short table of contents.
+\setfont\shortcontrm\rmshape{12}{1000}
+\setfont\shortcontbf\bfshape{10}{\magstep1}  % no cmb12
+\setfont\shortcontsl\slshape{12}{1000}
+\setfont\shortconttt\ttshape{12}{1000}
+
+%% Add scribe-like font environments, plus @l for inline lisp (usually sans
+%% serif) and @ii for TeX italic
+
+% \smartitalic{ARG} outputs arg in italics, followed by an italic correction
+% unless the following character is such as not to need one.
+\def\smartitalicx{\ifx\next,\else\ifx\next-\else\ifx\next.\else
+                    \ptexslash\fi\fi\fi}
+\def\smartslanted#1{{\ifusingtt\ttsl\sl #1}\futurelet\next\smartitalicx}
+\def\smartitalic#1{{\ifusingtt\ttsl\it #1}\futurelet\next\smartitalicx}
+
+% like \smartslanted except unconditionally uses \ttsl.
+% @var is set to this for defun arguments.
+\def\ttslanted#1{{\ttsl #1}\futurelet\next\smartitalicx}
+
+% like \smartslanted except unconditionally use \sl.  We never want
+% ttsl for book titles, do we?
+\def\cite#1{{\sl #1}\futurelet\next\smartitalicx}
+
+\let\i=\smartitalic
+\let\slanted=\smartslanted
+\let\var=\smartslanted
+\let\dfn=\smartslanted
+\let\emph=\smartitalic
+
+% @b, explicit bold.
+\def\b#1{{\bf #1}}
+\let\strong=\b
+
+% @sansserif, explicit sans.
+\def\sansserif#1{{\sf #1}}
+
+% We can't just use \exhyphenpenalty, because that only has effect at
+% the end of a paragraph.  Restore normal hyphenation at the end of the
+% group within which \nohyphenation is presumably called.
+%
+\def\nohyphenation{\hyphenchar\font = -1  \aftergroup\restorehyphenation}
+\def\restorehyphenation{\hyphenchar\font = `- }
+
+% Set sfcode to normal for the chars that usually have another value.
+% Can't use plain's \frenchspacing because it uses the `\x notation, and
+% sometimes \x has an active definition that messes things up.
+%
+\catcode`@=11
+  \def\plainfrenchspacing{%
+    \sfcode\dotChar  =\@m \sfcode\questChar=\@m \sfcode\exclamChar=\@m
+    \sfcode\colonChar=\@m \sfcode\semiChar =\@m \sfcode\commaChar =\@m
+    \def\endofsentencespacefactor{1000}% for @. and friends
+  }
+  \def\plainnonfrenchspacing{%
+    \sfcode`\.3000\sfcode`\?3000\sfcode`\!3000
+    \sfcode`\:2000\sfcode`\;1500\sfcode`\,1250
+    \def\endofsentencespacefactor{3000}% for @. and friends
+  }
+\catcode`@=\other
+\def\endofsentencespacefactor{3000}% default
+
+\def\t#1{%
+  {\tt \rawbackslash \plainfrenchspacing #1}%
+  \null
+}
+\def\samp#1{`\tclose{#1}'\null}
+\setfont\keyrm\rmshape{8}{1000}
+\font\keysy=cmsy9
+\def\key#1{{\keyrm\textfont2=\keysy \leavevmode\hbox{%
+  \raise0.4pt\hbox{\angleleft}\kern-.08em\vtop{%
+    \vbox{\hrule\kern-0.4pt
+     \hbox{\raise0.4pt\hbox{\vphantom{\angleleft}}#1}}%
+    \kern-0.4pt\hrule}%
+  \kern-.06em\raise0.4pt\hbox{\angleright}}}}
+% The old definition, with no lozenge:
+%\def\key #1{{\ttsl \nohyphenation \uppercase{#1}}\null}
+\def\ctrl #1{{\tt \rawbackslash \hat}#1}
+
+% @file, @option are the same as @samp.
+\let\file=\samp
+\let\option=\samp
+
+% @code is a modification of @t,
+% which makes spaces the same size as normal in the surrounding text.
+\def\tclose#1{%
+  {%
+    % Change normal interword space to be same as for the current font.
+    \spaceskip = \fontdimen2\font
+    %
+    % Switch to typewriter.
+    \tt
+    %
+    % But `\ ' produces the large typewriter interword space.
+    \def\ {{\spaceskip = 0pt{} }}%
+    %
+    % Turn off hyphenation.
+    \nohyphenation
+    %
+    \rawbackslash
+    \plainfrenchspacing
+    #1%
+  }%
+  \null
+}
+
+% We *must* turn on hyphenation at `-' and `_' in @code.
+% Otherwise, it is too hard to avoid overfull hboxes
+% in the Emacs manual, the Library manual, etc.
+
+% Unfortunately, TeX uses one parameter (\hyphenchar) to control
+% both hyphenation at - and hyphenation within words.
+% We must therefore turn them both off (\tclose does that)
+% and arrange explicitly to hyphenate at a dash.
+%  -- rms.
+{
+  \catcode`\-=\active
+  \catcode`\_=\active
+  %
+  \global\def\code{\begingroup
+    \catcode`\-=\active  \catcode`\_=\active
+    \ifallowcodebreaks
+     \let-\codedash
+     \let_\codeunder
+    \else
+     \let-\realdash
+     \let_\realunder
+    \fi
+    \codex
+  }
+}
+
+\def\realdash{-}
+\def\codedash{-\discretionary{}{}{}}
+\def\codeunder{%
+  % this is all so @math{@code{var_name}+1} can work.  In math mode, _
+  % is "active" (mathcode"8000) and \normalunderscore (or \char95, etc.)
+  % will therefore expand the active definition of _, which is us
+  % (inside @code that is), therefore an endless loop.
+  \ifusingtt{\ifmmode
+               \mathchar"075F % class 0=ordinary, family 7=ttfam, pos 0x5F=_.
+             \else\normalunderscore \fi
+             \discretionary{}{}{}}%
+            {\_}%
+}
+\def\codex #1{\tclose{#1}\endgroup}
+
+% An additional complication: the above will allow breaks after, e.g.,
+% each of the four underscores in __typeof__.  This is undesirable in
+% some manuals, especially if they don't have long identifiers in
+% general.  @allowcodebreaks provides a way to control this.
+% 
+\newif\ifallowcodebreaks  \allowcodebreakstrue
+
+\def\keywordtrue{true}
+\def\keywordfalse{false}
+
+\parseargdef\allowcodebreaks{%
+  \def\txiarg{#1}%
+  \ifx\txiarg\keywordtrue
+    \allowcodebreakstrue
+  \else\ifx\txiarg\keywordfalse
+    \allowcodebreaksfalse
+  \else
+    \errhelp = \EMsimple
+    \errmessage{Unknown @allowcodebreaks option `\txiarg'}%
+  \fi\fi
+}
+
+% @kbd is like @code, except that if the argument is just one @key command,
+% then @kbd has no effect.
+
+% @kbdinputstyle -- arg is `distinct' (@kbd uses slanted tty font always),
+%   `example' (@kbd uses ttsl only inside of @example and friends),
+%   or `code' (@kbd uses normal tty font always).
+\parseargdef\kbdinputstyle{%
+  \def\txiarg{#1}%
+  \ifx\txiarg\worddistinct
+    \gdef\kbdexamplefont{\ttsl}\gdef\kbdfont{\ttsl}%
+  \else\ifx\txiarg\wordexample
+    \gdef\kbdexamplefont{\ttsl}\gdef\kbdfont{\tt}%
+  \else\ifx\txiarg\wordcode
+    \gdef\kbdexamplefont{\tt}\gdef\kbdfont{\tt}%
+  \else
+    \errhelp = \EMsimple
+    \errmessage{Unknown @kbdinputstyle option `\txiarg'}%
+  \fi\fi\fi
+}
+\def\worddistinct{distinct}
+\def\wordexample{example}
+\def\wordcode{code}
+
+% Default is `distinct.'
+\kbdinputstyle distinct
+
+\def\xkey{\key}
+\def\kbdfoo#1#2#3\par{\def\one{#1}\def\three{#3}\def\threex{??}%
+\ifx\one\xkey\ifx\threex\three \key{#2}%
+\else{\tclose{\kbdfont\look}}\fi
+\else{\tclose{\kbdfont\look}}\fi}
+
+% For @indicateurl, @env, @command quotes seem unnecessary, so use \code.
+\let\indicateurl=\code
+\let\env=\code
+\let\command=\code
+
+% @uref (abbreviation for `urlref') takes an optional (comma-separated)
+% second argument specifying the text to display and an optional third
+% arg as text to display instead of (rather than in addition to) the url
+% itself.  First (mandatory) arg is the url.  Perhaps eventually put in
+% a hypertex \special here.
+%
+\def\uref#1{\douref #1,,,\finish}
+\def\douref#1,#2,#3,#4\finish{\begingroup
+  \unsepspaces
+  \pdfurl{#1}%
+  \setbox0 = \hbox{\ignorespaces #3}%
+  \ifdim\wd0 > 0pt
+    \unhbox0 % third arg given, show only that
+  \else
+    \setbox0 = \hbox{\ignorespaces #2}%
+    \ifdim\wd0 > 0pt
+      \ifpdf
+        \unhbox0             % PDF: 2nd arg given, show only it
+      \else
+        \unhbox0\ (\code{#1})% DVI: 2nd arg given, show both it and url
+      \fi
+    \else
+      \code{#1}% only url given, so show it
+    \fi
+  \fi
+  \endlink
+\endgroup}
+
+% @url synonym for @uref, since that's how everyone uses it.
+%
+\let\url=\uref
+
+% rms does not like angle brackets --karl, 17may97.
+% So now @email is just like @uref, unless we are pdf.
+%
+%\def\email#1{\angleleft{\tt #1}\angleright}
+\ifpdf
+  \def\email#1{\doemail#1,,\finish}
+  \def\doemail#1,#2,#3\finish{\begingroup
+    \unsepspaces
+    \pdfurl{mailto:#1}%
+    \setbox0 = \hbox{\ignorespaces #2}%
+    \ifdim\wd0>0pt\unhbox0\else\code{#1}\fi
+    \endlink
+  \endgroup}
+\else
+  \let\email=\uref
+\fi
+
+% Check if we are currently using a typewriter font.  Since all the
+% Computer Modern typewriter fonts have zero interword stretch (and
+% shrink), and it is reasonable to expect all typewriter fonts to have
+% this property, we can check that font parameter.
+%
+\def\ifmonospace{\ifdim\fontdimen3\font=0pt }
+
+% Typeset a dimension, e.g., `in' or `pt'.  The only reason for the
+% argument is to make the input look right: @dmn{pt} instead of @dmn{}pt.
+%
+\def\dmn#1{\thinspace #1}
+
+\def\kbd#1{\def\look{#1}\expandafter\kbdfoo\look??\par}
+
+% @l was never documented to mean ``switch to the Lisp font'',
+% and it is not used as such in any manual I can find.  We need it for
+% Polish suppressed-l.  --karl, 22sep96.
+%\def\l#1{{\li #1}\null}
+
+% Explicit font changes: @r, @sc, undocumented @ii.
+\def\r#1{{\rm #1}}              % roman font
+\def\sc#1{{\smallcaps#1}}       % smallcaps font
+\def\ii#1{{\it #1}}             % italic font
+
+% @acronym for "FBI", "NATO", and the like.
+% We print this one point size smaller, since it's intended for
+% all-uppercase.
+% 
+\def\acronym#1{\doacronym #1,,\finish}
+\def\doacronym#1,#2,#3\finish{%
+  {\selectfonts\lsize #1}%
+  \def\temp{#2}%
+  \ifx\temp\empty \else
+    \space ({\unsepspaces \ignorespaces \temp \unskip})%
+  \fi
+}
+
+% @abbr for "Comput. J." and the like.
+% No font change, but don't do end-of-sentence spacing.
+% 
+\def\abbr#1{\doabbr #1,,\finish}
+\def\doabbr#1,#2,#3\finish{%
+  {\plainfrenchspacing #1}%
+  \def\temp{#2}%
+  \ifx\temp\empty \else
+    \space ({\unsepspaces \ignorespaces \temp \unskip})%
+  \fi
+}
+
+% @pounds{} is a sterling sign, which Knuth put in the CM italic font.
+%
+\def\pounds{{\it\$}}
+
+% @euro{} comes from a separate font, depending on the current style.
+% We use the free feym* fonts from the eurosym package by Henrik
+% Theiling, which support regular, slanted, bold and bold slanted (and
+% "outlined" (blackboard board, sort of) versions, which we don't need).
+% It is available from http://www.ctan.org/tex-archive/fonts/eurosym.
+% 
+% Although only regular is the truly official Euro symbol, we ignore
+% that.  The Euro is designed to be slightly taller than the regular
+% font height.
+% 
+% feymr - regular
+% feymo - slanted
+% feybr - bold
+% feybo - bold slanted
+% 
+% There is no good (free) typewriter version, to my knowledge.
+% A feymr10 euro is ~7.3pt wide, while a normal cmtt10 char is ~5.25pt wide.
+% Hmm.
+% 
+% Also doesn't work in math.  Do we need to do math with euro symbols?
+% Hope not.
+% 
+% 
+\def\euro{{\eurofont e}}
+\def\eurofont{%
+  % We set the font at each command, rather than predefining it in
+  % \textfonts and the other font-switching commands, so that
+  % installations which never need the symbol don't have to have the
+  % font installed.
+  % 
+  % There is only one designed size (nominal 10pt), so we always scale
+  % that to the current nominal size.
+  % 
+  % By the way, simply using "at 1em" works for cmr10 and the like, but
+  % does not work for cmbx10 and other extended/shrunken fonts.
+  % 
+  \def\eurosize{\csname\curfontsize nominalsize\endcsname}%
+  %
+  \ifx\curfontstyle\bfstylename 
+    % bold:
+    \font\thiseurofont = \ifusingit{feybo10}{feybr10} at \eurosize
+  \else 
+    % regular:
+    \font\thiseurofont = \ifusingit{feymo10}{feymr10} at \eurosize
+  \fi
+  \thiseurofont
+}
+
+% @registeredsymbol - R in a circle.  The font for the R should really
+% be smaller yet, but lllsize is the best we can do for now.
+% Adapted from the plain.tex definition of \copyright.
+%
+\def\registeredsymbol{%
+  $^{{\ooalign{\hfil\raise.07ex\hbox{\selectfonts\lllsize R}%
+               \hfil\crcr\Orb}}%
+    }$%
+}
+
+% Laurent Siebenmann reports \Orb undefined with:
+%  Textures 1.7.7 (preloaded format=plain 93.10.14)  (68K)  16 APR 2004 02:38
+% so we'll define it if necessary.
+% 
+\ifx\Orb\undefined
+\def\Orb{\mathhexbox20D}
+\fi
+
+
+\message{page headings,}
+
+\newskip\titlepagetopglue \titlepagetopglue = 1.5in
+\newskip\titlepagebottomglue \titlepagebottomglue = 2pc
+
+% First the title page.  Must do @settitle before @titlepage.
+\newif\ifseenauthor
+\newif\iffinishedtitlepage
+
+% Do an implicit @contents or @shortcontents after @end titlepage if the
+% user says @setcontentsaftertitlepage or @setshortcontentsaftertitlepage.
+%
+\newif\ifsetcontentsaftertitlepage
+ \let\setcontentsaftertitlepage = \setcontentsaftertitlepagetrue
+\newif\ifsetshortcontentsaftertitlepage
+ \let\setshortcontentsaftertitlepage = \setshortcontentsaftertitlepagetrue
+
+\parseargdef\shorttitlepage{\begingroup\hbox{}\vskip 1.5in \chaprm \centerline{#1}%
+        \endgroup\page\hbox{}\page}
+
+\envdef\titlepage{%
+  % Open one extra group, as we want to close it in the middle of \Etitlepage.
+  \begingroup
+    \parindent=0pt \textfonts
+    % Leave some space at the very top of the page.
+    \vglue\titlepagetopglue
+    % No rule at page bottom unless we print one at the top with @title.
+    \finishedtitlepagetrue
+    %
+    % Most title ``pages'' are actually two pages long, with space
+    % at the top of the second.  We don't want the ragged left on the second.
+    \let\oldpage = \page
+    \def\page{%
+      \iffinishedtitlepage\else
+	 \finishtitlepage
+      \fi
+      \let\page = \oldpage
+      \page
+      \null
+    }%
+}
+
+\def\Etitlepage{%
+    \iffinishedtitlepage\else
+	\finishtitlepage
+    \fi
+    % It is important to do the page break before ending the group,
+    % because the headline and footline are only empty inside the group.
+    % If we use the new definition of \page, we always get a blank page
+    % after the title page, which we certainly don't want.
+    \oldpage
+  \endgroup
+  %
+  % Need this before the \...aftertitlepage checks so that if they are
+  % in effect the toc pages will come out with page numbers.
+  \HEADINGSon
+  %
+  % If they want short, they certainly want long too.
+  \ifsetshortcontentsaftertitlepage
+    \shortcontents
+    \contents
+    \global\let\shortcontents = \relax
+    \global\let\contents = \relax
+  \fi
+  %
+  \ifsetcontentsaftertitlepage
+    \contents
+    \global\let\contents = \relax
+    \global\let\shortcontents = \relax
+  \fi
+}
+
+\def\finishtitlepage{%
+  \vskip4pt \hrule height 2pt width \hsize
+  \vskip\titlepagebottomglue
+  \finishedtitlepagetrue
+}
+
+%%% Macros to be used within @titlepage:
+
+\let\subtitlerm=\tenrm
+\def\subtitlefont{\subtitlerm \normalbaselineskip = 13pt \normalbaselines}
+
+\def\authorfont{\authorrm \normalbaselineskip = 16pt \normalbaselines
+		\let\tt=\authortt}
+
+\parseargdef\title{%
+  \checkenv\titlepage
+  \leftline{\titlefonts\rm #1}
+  % print a rule at the page bottom also.
+  \finishedtitlepagefalse
+  \vskip4pt \hrule height 4pt width \hsize \vskip4pt
+}
+
+\parseargdef\subtitle{%
+  \checkenv\titlepage
+  {\subtitlefont \rightline{#1}}%
+}
+
+% @author should come last, but may come many times.
+% It can also be used inside @quotation.
+%
+\parseargdef\author{%
+  \def\temp{\quotation}%
+  \ifx\thisenv\temp
+    \def\quotationauthor{#1}% printed in \Equotation.
+  \else
+    \checkenv\titlepage
+    \ifseenauthor\else \vskip 0pt plus 1filll \seenauthortrue \fi
+    {\authorfont \leftline{#1}}%
+  \fi
+}
+
+
+%%% Set up page headings and footings.
+
+\let\thispage=\folio
+
+\newtoks\evenheadline    % headline on even pages
+\newtoks\oddheadline     % headline on odd pages
+\newtoks\evenfootline    % footline on even pages
+\newtoks\oddfootline     % footline on odd pages
+
+% Now make TeX use those variables
+\headline={{\textfonts\rm \ifodd\pageno \the\oddheadline
+                            \else \the\evenheadline \fi}}
+\footline={{\textfonts\rm \ifodd\pageno \the\oddfootline
+                            \else \the\evenfootline \fi}\HEADINGShook}
+\let\HEADINGShook=\relax
+
+% Commands to set those variables.
+% For example, this is what  @headings on  does
+% @evenheading @thistitle|@thispage|@thischapter
+% @oddheading @thischapter|@thispage|@thistitle
+% @evenfooting @thisfile||
+% @oddfooting ||@thisfile
+
+
+\def\evenheading{\parsearg\evenheadingxxx}
+\def\evenheadingxxx #1{\evenheadingyyy #1\|\|\|\|\finish}
+\def\evenheadingyyy #1\|#2\|#3\|#4\finish{%
+\global\evenheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
+
+\def\oddheading{\parsearg\oddheadingxxx}
+\def\oddheadingxxx #1{\oddheadingyyy #1\|\|\|\|\finish}
+\def\oddheadingyyy #1\|#2\|#3\|#4\finish{%
+\global\oddheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
+
+\parseargdef\everyheading{\oddheadingxxx{#1}\evenheadingxxx{#1}}%
+
+\def\evenfooting{\parsearg\evenfootingxxx}
+\def\evenfootingxxx #1{\evenfootingyyy #1\|\|\|\|\finish}
+\def\evenfootingyyy #1\|#2\|#3\|#4\finish{%
+\global\evenfootline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
+
+\def\oddfooting{\parsearg\oddfootingxxx}
+\def\oddfootingxxx #1{\oddfootingyyy #1\|\|\|\|\finish}
+\def\oddfootingyyy #1\|#2\|#3\|#4\finish{%
+  \global\oddfootline = {\rlap{\centerline{#2}}\line{#1\hfil#3}}%
+  %
+  % Leave some space for the footline.  Hopefully ok to assume
+  % @evenfooting will not be used by itself.
+  \global\advance\pageheight by -\baselineskip
+  \global\advance\vsize by -\baselineskip
+}
+
+\parseargdef\everyfooting{\oddfootingxxx{#1}\evenfootingxxx{#1}}
+
+
+% @headings double      turns headings on for double-sided printing.
+% @headings single      turns headings on for single-sided printing.
+% @headings off         turns them off.
+% @headings on          same as @headings double, retained for compatibility.
+% @headings after       turns on double-sided headings after this page.
+% @headings doubleafter turns on double-sided headings after this page.
+% @headings singleafter turns on single-sided headings after this page.
+% By default, they are off at the start of a document,
+% and turned `on' after @end titlepage.
+
+\def\headings #1 {\csname HEADINGS#1\endcsname}
+
+\def\HEADINGSoff{%
+\global\evenheadline={\hfil} \global\evenfootline={\hfil}
+\global\oddheadline={\hfil} \global\oddfootline={\hfil}}
+\HEADINGSoff
+% When we turn headings on, set the page number to 1.
+% For double-sided printing, put current file name in lower left corner,
+% chapter name on inside top of right hand pages, document
+% title on inside top of left hand pages, and page numbers on outside top
+% edge of all pages.
+\def\HEADINGSdouble{%
+\global\pageno=1
+\global\evenfootline={\hfil}
+\global\oddfootline={\hfil}
+\global\evenheadline={\line{\folio\hfil\thistitle}}
+\global\oddheadline={\line{\thischapter\hfil\folio}}
+\global\let\contentsalignmacro = \chapoddpage
+}
+\let\contentsalignmacro = \chappager
+
+% For single-sided printing, chapter title goes across top left of page,
+% page number on top right.
+\def\HEADINGSsingle{%
+\global\pageno=1
+\global\evenfootline={\hfil}
+\global\oddfootline={\hfil}
+\global\evenheadline={\line{\thischapter\hfil\folio}}
+\global\oddheadline={\line{\thischapter\hfil\folio}}
+\global\let\contentsalignmacro = \chappager
+}
+\def\HEADINGSon{\HEADINGSdouble}
+
+\def\HEADINGSafter{\let\HEADINGShook=\HEADINGSdoublex}
+\let\HEADINGSdoubleafter=\HEADINGSafter
+\def\HEADINGSdoublex{%
+\global\evenfootline={\hfil}
+\global\oddfootline={\hfil}
+\global\evenheadline={\line{\folio\hfil\thistitle}}
+\global\oddheadline={\line{\thischapter\hfil\folio}}
+\global\let\contentsalignmacro = \chapoddpage
+}
+
+\def\HEADINGSsingleafter{\let\HEADINGShook=\HEADINGSsinglex}
+\def\HEADINGSsinglex{%
+\global\evenfootline={\hfil}
+\global\oddfootline={\hfil}
+\global\evenheadline={\line{\thischapter\hfil\folio}}
+\global\oddheadline={\line{\thischapter\hfil\folio}}
+\global\let\contentsalignmacro = \chappager
+}
+
+% Subroutines used in generating headings
+% This produces Day Month Year style of output.
+% Only define if not already defined, in case a txi-??.tex file has set
+% up a different format (e.g., txi-cs.tex does this).
+\ifx\today\undefined
+\def\today{%
+  \number\day\space
+  \ifcase\month
+  \or\putwordMJan\or\putwordMFeb\or\putwordMMar\or\putwordMApr
+  \or\putwordMMay\or\putwordMJun\or\putwordMJul\or\putwordMAug
+  \or\putwordMSep\or\putwordMOct\or\putwordMNov\or\putwordMDec
+  \fi
+  \space\number\year}
+\fi
+
+% @settitle line...  specifies the title of the document, for headings.
+% It generates no output of its own.
+\def\thistitle{\putwordNoTitle}
+\def\settitle{\parsearg{\gdef\thistitle}}
+
+
+\message{tables,}
+% Tables -- @table, @ftable, @vtable, @item(x).
+
+% default indentation of table text
+\newdimen\tableindent \tableindent=.8in
+% default indentation of @itemize and @enumerate text
+\newdimen\itemindent  \itemindent=.3in
+% margin between end of table item and start of table text.
+\newdimen\itemmargin  \itemmargin=.1in
+
+% used internally for \itemindent minus \itemmargin
+\newdimen\itemmax
+
+% Note @table, @ftable, and @vtable define @item, @itemx, etc., with
+% these defs.
+% They also define \itemindex
+% to index the item name in whatever manner is desired (perhaps none).
+
+\newif\ifitemxneedsnegativevskip
+
+\def\itemxpar{\par\ifitemxneedsnegativevskip\nobreak\vskip-\parskip\nobreak\fi}
+
+\def\internalBitem{\smallbreak \parsearg\itemzzz}
+\def\internalBitemx{\itemxpar \parsearg\itemzzz}
+
+\def\itemzzz #1{\begingroup %
+  \advance\hsize by -\rightskip
+  \advance\hsize by -\tableindent
+  \setbox0=\hbox{\itemindicate{#1}}%
+  \itemindex{#1}%
+  \nobreak % This prevents a break before @itemx.
+  %
+  % If the item text does not fit in the space we have, put it on a line
+  % by itself, and do not allow a page break either before or after that
+  % line.  We do not start a paragraph here because then if the next
+  % command is, e.g., @kindex, the whatsit would get put into the
+  % horizontal list on a line by itself, resulting in extra blank space.
+  \ifdim \wd0>\itemmax
+    %
+    % Make this a paragraph so we get the \parskip glue and wrapping,
+    % but leave it ragged-right.
+    \begingroup
+      \advance\leftskip by-\tableindent
+      \advance\hsize by\tableindent
+      \advance\rightskip by0pt plus1fil
+      \leavevmode\unhbox0\par
+    \endgroup
+    %
+    % We're going to be starting a paragraph, but we don't want the
+    % \parskip glue -- logically it's part of the @item we just started.
+    \nobreak \vskip-\parskip
+    %
+    % Stop a page break at the \parskip glue coming up.  However, if
+    % what follows is an environment such as @example, there will be no
+    % \parskip glue; then the negative vskip we just inserted would
+    % cause the example and the item to crash together.  So we use this
+    % bizarre value of 10001 as a signal to \aboveenvbreak to insert
+    % \parskip glue after all.  Section titles are handled this way also.
+    % 
+    \penalty 10001
+    \endgroup
+    \itemxneedsnegativevskipfalse
+  \else
+    % The item text fits into the space.  Start a paragraph, so that the
+    % following text (if any) will end up on the same line.
+    \noindent
+    % Do this with kerns and \unhbox so that if there is a footnote in
+    % the item text, it can migrate to the main vertical list and
+    % eventually be printed.
+    \nobreak\kern-\tableindent
+    \dimen0 = \itemmax  \advance\dimen0 by \itemmargin \advance\dimen0 by -\wd0
+    \unhbox0
+    \nobreak\kern\dimen0
+    \endgroup
+    \itemxneedsnegativevskiptrue
+  \fi
+}
+
+\def\item{\errmessage{@item while not in a list environment}}
+\def\itemx{\errmessage{@itemx while not in a list environment}}
+
+% @table, @ftable, @vtable.
+\envdef\table{%
+  \let\itemindex\gobble
+  \tablecheck{table}%
+}
+\envdef\ftable{%
+  \def\itemindex ##1{\doind {fn}{\code{##1}}}%
+  \tablecheck{ftable}%
+}
+\envdef\vtable{%
+  \def\itemindex ##1{\doind {vr}{\code{##1}}}%
+  \tablecheck{vtable}%
+}
+\def\tablecheck#1{%
+  \ifnum \the\catcode`\^^M=\active
+    \endgroup
+    \errmessage{This command won't work in this context; perhaps the problem is
+      that we are \inenvironment\thisenv}%
+    \def\next{\doignore{#1}}%
+  \else
+    \let\next\tablex
+  \fi
+  \next
+}
+\def\tablex#1{%
+  \def\itemindicate{#1}%
+  \parsearg\tabley
+}
+\def\tabley#1{%
+  {%
+    \makevalueexpandable
+    \edef\temp{\noexpand\tablez #1\space\space\space}%
+    \expandafter
+  }\temp \endtablez
+}
+\def\tablez #1 #2 #3 #4\endtablez{%
+  \aboveenvbreak
+  \ifnum 0#1>0 \advance \leftskip by #1\mil \fi
+  \ifnum 0#2>0 \tableindent=#2\mil \fi
+  \ifnum 0#3>0 \advance \rightskip by #3\mil \fi
+  \itemmax=\tableindent
+  \advance \itemmax by -\itemmargin
+  \advance \leftskip by \tableindent
+  \exdentamount=\tableindent
+  \parindent = 0pt
+  \parskip = \smallskipamount
+  \ifdim \parskip=0pt \parskip=2pt \fi
+  \let\item = \internalBitem
+  \let\itemx = \internalBitemx
+}
+\def\Etable{\endgraf\afterenvbreak}
+\let\Eftable\Etable
+\let\Evtable\Etable
+\let\Eitemize\Etable
+\let\Eenumerate\Etable
+
+% This is the counter used by @enumerate, which is really @itemize
+
+\newcount \itemno
+
+\envdef\itemize{\parsearg\doitemize}
+
+\def\doitemize#1{%
+  \aboveenvbreak
+  \itemmax=\itemindent
+  \advance\itemmax by -\itemmargin
+  \advance\leftskip by \itemindent
+  \exdentamount=\itemindent
+  \parindent=0pt
+  \parskip=\smallskipamount
+  \ifdim\parskip=0pt \parskip=2pt \fi
+  \def\itemcontents{#1}%
+  % @itemize with no arg is equivalent to @itemize @bullet.
+  \ifx\itemcontents\empty\def\itemcontents{\bullet}\fi
+  \let\item=\itemizeitem
+}
+
+% Definition of @item while inside @itemize and @enumerate.
+%
+\def\itemizeitem{%
+  \advance\itemno by 1  % for enumerations
+  {\let\par=\endgraf \smallbreak}% reasonable place to break
+  {%
+   % If the document has an @itemize directly after a section title, a
+   % \nobreak will be last on the list, and \sectionheading will have
+   % done a \vskip-\parskip.  In that case, we don't want to zero
+   % parskip, or the item text will crash with the heading.  On the
+   % other hand, when there is normal text preceding the item (as there
+   % usually is), we do want to zero parskip, or there would be too much
+   % space.  In that case, we won't have a \nobreak before.  At least
+   % that's the theory.
+   \ifnum\lastpenalty<10000 \parskip=0in \fi
+   \noindent
+   \hbox to 0pt{\hss \itemcontents \kern\itemmargin}%
+   \vadjust{\penalty 1200}}% not good to break after first line of item.
+  \flushcr
+}
+
+% \splitoff TOKENS\endmark defines \first to be the first token in
+% TOKENS, and \rest to be the remainder.
+%
+\def\splitoff#1#2\endmark{\def\first{#1}\def\rest{#2}}%
+
+% Allow an optional argument of an uppercase letter, lowercase letter,
+% or number, to specify the first label in the enumerated list.  No
+% argument is the same as `1'.
+%
+\envparseargdef\enumerate{\enumeratey #1  \endenumeratey}
+\def\enumeratey #1 #2\endenumeratey{%
+  % If we were given no argument, pretend we were given `1'.
+  \def\thearg{#1}%
+  \ifx\thearg\empty \def\thearg{1}\fi
+  %
+  % Detect if the argument is a single token.  If so, it might be a
+  % letter.  Otherwise, the only valid thing it can be is a number.
+  % (We will always have one token, because of the test we just made.
+  % This is a good thing, since \splitoff doesn't work given nothing at
+  % all -- the first parameter is undelimited.)
+  \expandafter\splitoff\thearg\endmark
+  \ifx\rest\empty
+    % Only one token in the argument.  It could still be anything.
+    % A ``lowercase letter'' is one whose \lccode is nonzero.
+    % An ``uppercase letter'' is one whose \lccode is both nonzero, and
+    %   not equal to itself.
+    % Otherwise, we assume it's a number.
+    %
+    % We need the \relax at the end of the \ifnum lines to stop TeX from
+    % continuing to look for a <number>.
+    %
+    \ifnum\lccode\expandafter`\thearg=0\relax
+      \numericenumerate % a number (we hope)
+    \else
+      % It's a letter.
+      \ifnum\lccode\expandafter`\thearg=\expandafter`\thearg\relax
+        \lowercaseenumerate % lowercase letter
+      \else
+        \uppercaseenumerate % uppercase letter
+      \fi
+    \fi
+  \else
+    % Multiple tokens in the argument.  We hope it's a number.
+    \numericenumerate
+  \fi
+}
+
+% An @enumerate whose labels are integers.  The starting integer is
+% given in \thearg.
+%
+\def\numericenumerate{%
+  \itemno = \thearg
+  \startenumeration{\the\itemno}%
+}
+
+% The starting (lowercase) letter is in \thearg.
+\def\lowercaseenumerate{%
+  \itemno = \expandafter`\thearg
+  \startenumeration{%
+    % Be sure we're not beyond the end of the alphabet.
+    \ifnum\itemno=0
+      \errmessage{No more lowercase letters in @enumerate; get a bigger
+                  alphabet}%
+    \fi
+    \char\lccode\itemno
+  }%
+}
+
+% The starting (uppercase) letter is in \thearg.
+\def\uppercaseenumerate{%
+  \itemno = \expandafter`\thearg
+  \startenumeration{%
+    % Be sure we're not beyond the end of the alphabet.
+    \ifnum\itemno=0
+      \errmessage{No more uppercase letters in @enumerate; get a bigger
+                  alphabet}
+    \fi
+    \char\uccode\itemno
+  }%
+}
+
+% Call \doitemize, adding a period to the first argument and supplying the
+% common last two arguments.  Also subtract one from the initial value in
+% \itemno, since @item increments \itemno.
+%
+\def\startenumeration#1{%
+  \advance\itemno by -1
+  \doitemize{#1.}\flushcr
+}
+
+% @alphaenumerate and @capsenumerate are abbreviations for giving an arg
+% to @enumerate.
+%
+\def\alphaenumerate{\enumerate{a}}
+\def\capsenumerate{\enumerate{A}}
+\def\Ealphaenumerate{\Eenumerate}
+\def\Ecapsenumerate{\Eenumerate}
+
+
+% @multitable macros
+% Amy Hendrickson, 8/18/94, 3/6/96
+%
+% @multitable ... @end multitable will make as many columns as desired.
+% Contents of each column will wrap at width given in preamble.  Width
+% can be specified either with sample text given in a template line,
+% or in percent of \hsize, the current width of text on page.
+
+% Table can continue over pages but will only break between lines.
+
+% To make preamble:
+%
+% Either define widths of columns in terms of percent of \hsize:
+%   @multitable @columnfractions .25 .3 .45
+%   @item ...
+%
+%   Numbers following @columnfractions are the percent of the total
+%   current hsize to be used for each column. You may use as many
+%   columns as desired.
+
+
+% Or use a template:
+%   @multitable {Column 1 template} {Column 2 template} {Column 3 template}
+%   @item ...
+%   using the widest term desired in each column.
+
+% Each new table line starts with @item, each subsequent new column
+% starts with @tab. Empty columns may be produced by supplying @tab's
+% with nothing between them for as many times as empty columns are needed,
+% ie, @tab at tab@tab will produce two empty columns.
+
+% @item, @tab do not need to be on their own lines, but it will not hurt
+% if they are.
+
+% Sample multitable:
+
+%   @multitable {Column 1 template} {Column 2 template} {Column 3 template}
+%   @item first col stuff @tab second col stuff @tab third col
+%   @item
+%   first col stuff
+%   @tab
+%   second col stuff
+%   @tab
+%   third col
+%   @item first col stuff @tab second col stuff
+%   @tab Many paragraphs of text may be used in any column.
+%
+%         They will wrap at the width determined by the template.
+%   @item at tab@tab This will be in third column.
+%   @end multitable
+
+% Default dimensions may be reset by user.
+% @multitableparskip is vertical space between paragraphs in table.
+% @multitableparindent is paragraph indent in table.
+% @multitablecolmargin is horizontal space to be left between columns.
+% @multitablelinespace is space to leave between table items, baseline
+%                                                            to baseline.
+%   0pt means it depends on current normal line spacing.
+%
+\newskip\multitableparskip
+\newskip\multitableparindent
+\newdimen\multitablecolspace
+\newskip\multitablelinespace
+\multitableparskip=0pt
+\multitableparindent=6pt
+\multitablecolspace=12pt
+\multitablelinespace=0pt
+
+% Macros used to set up halign preamble:
+%
+\let\endsetuptable\relax
+\def\xendsetuptable{\endsetuptable}
+\let\columnfractions\relax
+\def\xcolumnfractions{\columnfractions}
+\newif\ifsetpercent
+
+% #1 is the @columnfraction, usually a decimal number like .5, but might
+% be just 1.  We just use it, whatever it is.
+%
+\def\pickupwholefraction#1 {%
+  \global\advance\colcount by 1
+  \expandafter\xdef\csname col\the\colcount\endcsname{#1\hsize}%
+  \setuptable
+}
+
+\newcount\colcount
+\def\setuptable#1{%
+  \def\firstarg{#1}%
+  \ifx\firstarg\xendsetuptable
+    \let\go = \relax
+  \else
+    \ifx\firstarg\xcolumnfractions
+      \global\setpercenttrue
+    \else
+      \ifsetpercent
+         \let\go\pickupwholefraction
+      \else
+         \global\advance\colcount by 1
+         \setbox0=\hbox{#1\unskip\space}% Add a normal word space as a
+                   % separator; typically that is always in the input, anyway.
+         \expandafter\xdef\csname col\the\colcount\endcsname{\the\wd0}%
+      \fi
+    \fi
+    \ifx\go\pickupwholefraction
+      % Put the argument back for the \pickupwholefraction call, so
+      % we'll always have a period there to be parsed.
+      \def\go{\pickupwholefraction#1}%
+    \else
+      \let\go = \setuptable
+    \fi%
+  \fi
+  \go
+}
+
+% multitable-only commands.
+%
+% @headitem starts a heading row, which we typeset in bold.
+% Assignments have to be global since we are inside the implicit group
+% of an alignment entry.  Note that \everycr resets \everytab.
+\def\headitem{\checkenv\multitable \crcr \global\everytab={\bf}\the\everytab}%
+%
+% A \tab used to include \hskip1sp.  But then the space in a template
+% line is not enough.  That is bad.  So let's go back to just `&' until
+% we encounter the problem it was intended to solve again.
+%					--karl, nathan at acm.org, 20apr99.
+\def\tab{\checkenv\multitable &\the\everytab}%
+
+% @multitable ... @end multitable definitions:
+%
+\newtoks\everytab  % insert after every tab.
+%
+\envdef\multitable{%
+  \vskip\parskip
+  \startsavinginserts
+  %
+  % @item within a multitable starts a normal row.
+  % We use \def instead of \let so that if one of the multitable entries
+  % contains an @itemize, we don't choke on the \item (seen as \crcr aka
+  % \endtemplate) expanding \doitemize.
+  \def\item{\crcr}%
+  %
+  \tolerance=9500
+  \hbadness=9500
+  \setmultitablespacing
+  \parskip=\multitableparskip
+  \parindent=\multitableparindent
+  \overfullrule=0pt
+  \global\colcount=0
+  %
+  \everycr = {%
+    \noalign{%
+      \global\everytab={}%
+      \global\colcount=0 % Reset the column counter.
+      % Check for saved footnotes, etc.
+      \checkinserts
+      % Keeps underfull box messages off when table breaks over pages.
+      %\filbreak
+	% Maybe so, but it also creates really weird page breaks when the
+	% table breaks over pages. Wouldn't \vfil be better?  Wait until the
+	% problem manifests itself, so it can be fixed for real --karl.
+    }%
+  }%
+  %
+  \parsearg\domultitable
+}
+\def\domultitable#1{%
+  % To parse everything between @multitable and @item:
+  \setuptable#1 \endsetuptable
+  %
+  % This preamble sets up a generic column definition, which will
+  % be used as many times as user calls for columns.
+  % \vtop will set a single line and will also let text wrap and
+  % continue for many paragraphs if desired.
+  \halign\bgroup &%
+    \global\advance\colcount by 1
+    \multistrut
+    \vtop{%
+      % Use the current \colcount to find the correct column width:
+      \hsize=\expandafter\csname col\the\colcount\endcsname
+      %
+      % In order to keep entries from bumping into each other
+      % we will add a \leftskip of \multitablecolspace to all columns after
+      % the first one.
+      %
+      % If a template has been used, we will add \multitablecolspace
+      % to the width of each template entry.
+      %
+      % If the user has set preamble in terms of percent of \hsize we will
+      % use that dimension as the width of the column, and the \leftskip
+      % will keep entries from bumping into each other.  Table will start at
+      % left margin and final column will justify at right margin.
+      %
+      % Make sure we don't inherit \rightskip from the outer environment.
+      \rightskip=0pt
+      \ifnum\colcount=1
+	% The first column will be indented with the surrounding text.
+	\advance\hsize by\leftskip
+      \else
+	\ifsetpercent \else
+	  % If user has not set preamble in terms of percent of \hsize
+	  % we will advance \hsize by \multitablecolspace.
+	  \advance\hsize by \multitablecolspace
+	\fi
+       % In either case we will make \leftskip=\multitablecolspace:
+      \leftskip=\multitablecolspace
+      \fi
+      % Ignoring space at the beginning and end avoids an occasional spurious
+      % blank line, when TeX decides to break the line at the space before the
+      % box from the multistrut, so the strut ends up on a line by itself.
+      % For example:
+      % @multitable @columnfractions .11 .89
+      % @item @code{#}
+      % @tab Legal holiday which is valid in major parts of the whole country.
+      % Is automatically provided with highlighting sequences respectively
+      % marking characters.
+      \noindent\ignorespaces##\unskip\multistrut
+    }\cr
+}
+\def\Emultitable{%
+  \crcr
+  \egroup % end the \halign
+  \global\setpercentfalse
+}
+
+\def\setmultitablespacing{%
+  \def\multistrut{\strut}% just use the standard line spacing
+  %
+  % Compute \multitablelinespace (if not defined by user) for use in
+  % \multitableparskip calculation.  We used define \multistrut based on
+  % this, but (ironically) that caused the spacing to be off.
+  % See bug-texinfo report from Werner Lemberg, 31 Oct 2004 12:52:20 +0100.
+\ifdim\multitablelinespace=0pt
+\setbox0=\vbox{X}\global\multitablelinespace=\the\baselineskip
+\global\advance\multitablelinespace by-\ht0
+\fi
+%% Test to see if parskip is larger than space between lines of
+%% table. If not, do nothing.
+%%        If so, set to same dimension as multitablelinespace.
+\ifdim\multitableparskip>\multitablelinespace
+\global\multitableparskip=\multitablelinespace
+\global\advance\multitableparskip-7pt %% to keep parskip somewhat smaller
+                                      %% than skip between lines in the table.
+\fi%
+\ifdim\multitableparskip=0pt
+\global\multitableparskip=\multitablelinespace
+\global\advance\multitableparskip-7pt %% to keep parskip somewhat smaller
+                                      %% than skip between lines in the table.
+\fi}
+
+
+\message{conditionals,}
+
+% @iftex, @ifnotdocbook, @ifnothtml, @ifnotinfo, @ifnotplaintext,
+% @ifnotxml always succeed.  They currently do nothing; we don't
+% attempt to check whether the conditionals are properly nested.  But we
+% have to remember that they are conditionals, so that @end doesn't
+% attempt to close an environment group.
+%
+\def\makecond#1{%
+  \expandafter\let\csname #1\endcsname = \relax
+  \expandafter\let\csname iscond.#1\endcsname = 1
+}
+\makecond{iftex}
+\makecond{ifnotdocbook}
+\makecond{ifnothtml}
+\makecond{ifnotinfo}
+\makecond{ifnotplaintext}
+\makecond{ifnotxml}
+
+% Ignore @ignore, @ifhtml, @ifinfo, and the like.
+%
+\def\direntry{\doignore{direntry}}
+\def\documentdescription{\doignore{documentdescription}}
+\def\docbook{\doignore{docbook}}
+\def\html{\doignore{html}}
+\def\ifdocbook{\doignore{ifdocbook}}
+\def\ifhtml{\doignore{ifhtml}}
+\def\ifinfo{\doignore{ifinfo}}
+\def\ifnottex{\doignore{ifnottex}}
+\def\ifplaintext{\doignore{ifplaintext}}
+\def\ifxml{\doignore{ifxml}}
+\def\ignore{\doignore{ignore}}
+\def\menu{\doignore{menu}}
+\def\xml{\doignore{xml}}
+
+% Ignore text until a line `@end #1', keeping track of nested conditionals.
+%
+% A count to remember the depth of nesting.
+\newcount\doignorecount
+
+\def\doignore#1{\begingroup
+  % Scan in ``verbatim'' mode:
+  \catcode`\@ = \other
+  \catcode`\{ = \other
+  \catcode`\} = \other
+  %
+  % Make sure that spaces turn into tokens that match what \doignoretext wants.
+  \spaceisspace
+  %
+  % Count number of #1's that we've seen.
+  \doignorecount = 0
+  %
+  % Swallow text until we reach the matching `@end #1'.
+  \dodoignore{#1}%
+}
+
+{ \catcode`_=11 % We want to use \_STOP_ which cannot appear in texinfo source.
+  \obeylines %
+  %
+  \gdef\dodoignore#1{%
+    % #1 contains the command name as a string, e.g., `ifinfo'.
+    %
+    % Define a command to find the next `@end #1', which must be on a line
+    % by itself.
+    \long\def\doignoretext##1^^M at end #1{\doignoretextyyy##1^^M@#1\_STOP_}%
+    % And this command to find another #1 command, at the beginning of a
+    % line.  (Otherwise, we would consider a line `@c @ifset', for
+    % example, to count as an @ifset for nesting.)
+    \long\def\doignoretextyyy##1^^M@#1##2\_STOP_{\doignoreyyy{##2}\_STOP_}%
+    %
+    % And now expand that command.
+    \obeylines %
+    \doignoretext ^^M%
+  }%
+}
+
+\def\doignoreyyy#1{%
+  \def\temp{#1}%
+  \ifx\temp\empty			% Nothing found.
+    \let\next\doignoretextzzz
+  \else					% Found a nested condition, ...
+    \advance\doignorecount by 1
+    \let\next\doignoretextyyy		% ..., look for another.
+    % If we're here, #1 ends with ^^M\ifinfo (for example).
+  \fi
+  \next #1% the token \_STOP_ is present just after this macro.
+}
+
+% We have to swallow the remaining "\_STOP_".
+%
+\def\doignoretextzzz#1{%
+  \ifnum\doignorecount = 0	% We have just found the outermost @end.
+    \let\next\enddoignore
+  \else				% Still inside a nested condition.
+    \advance\doignorecount by -1
+    \let\next\doignoretext      % Look for the next @end.
+  \fi
+  \next
+}
+
+% Finish off ignored text.
+\def\enddoignore{\endgroup\ignorespaces}
+
+
+% @set VAR sets the variable VAR to an empty value.
+% @set VAR REST-OF-LINE sets VAR to the value REST-OF-LINE.
+%
+% Since we want to separate VAR from REST-OF-LINE (which might be
+% empty), we can't just use \parsearg; we have to insert a space of our
+% own to delimit the rest of the line, and then take it out again if we
+% didn't need it.
+% We rely on the fact that \parsearg sets \catcode`\ =10.
+%
+\parseargdef\set{\setyyy#1 \endsetyyy}
+\def\setyyy#1 #2\endsetyyy{%
+  {%
+    \makevalueexpandable
+    \def\temp{#2}%
+    \edef\next{\gdef\makecsname{SET#1}}%
+    \ifx\temp\empty
+      \next{}%
+    \else
+      \setzzz#2\endsetzzz
+    \fi
+  }%
+}
+% Remove the trailing space \setxxx inserted.
+\def\setzzz#1 \endsetzzz{\next{#1}}
+
+% @clear VAR clears (i.e., unsets) the variable VAR.
+%
+\parseargdef\clear{%
+  {%
+    \makevalueexpandable
+    \global\expandafter\let\csname SET#1\endcsname=\relax
+  }%
+}
+
+% @value{foo} gets the text saved in variable foo.
+\def\value{\begingroup\makevalueexpandable\valuexxx}
+\def\valuexxx#1{\expandablevalue{#1}\endgroup}
+{
+  \catcode`\- = \active \catcode`\_ = \active
+  %
+  \gdef\makevalueexpandable{%
+    \let\value = \expandablevalue
+    % We don't want these characters active, ...
+    \catcode`\-=\other \catcode`\_=\other
+    % ..., but we might end up with active ones in the argument if
+    % we're called from @code, as @code{@value{foo-bar_}}, though.
+    % So \let them to their normal equivalents.
+    \let-\realdash \let_\normalunderscore
+  }
+}
+
+% We have this subroutine so that we can handle at least some @value's
+% properly in indexes (we call \makevalueexpandable in \indexdummies).
+% The command has to be fully expandable (if the variable is set), since
+% the result winds up in the index file.  This means that if the
+% variable's value contains other Texinfo commands, it's almost certain
+% it will fail (although perhaps we could fix that with sufficient work
+% to do a one-level expansion on the result, instead of complete).
+%
+\def\expandablevalue#1{%
+  \expandafter\ifx\csname SET#1\endcsname\relax
+    {[No value for ``#1'']}%
+    \message{Variable `#1', used in @value, is not set.}%
+  \else
+    \csname SET#1\endcsname
+  \fi
+}
+
+% @ifset VAR ... @end ifset reads the `...' iff VAR has been defined
+% with @set.
+%
+% To get special treatment of `@end ifset,' call \makeond and the redefine.
+%
+\makecond{ifset}
+\def\ifset{\parsearg{\doifset{\let\next=\ifsetfail}}}
+\def\doifset#1#2{%
+  {%
+    \makevalueexpandable
+    \let\next=\empty
+    \expandafter\ifx\csname SET#2\endcsname\relax
+      #1% If not set, redefine \next.
+    \fi
+    \expandafter
+  }\next
+}
+\def\ifsetfail{\doignore{ifset}}
+
+% @ifclear VAR ... @end ifclear reads the `...' iff VAR has never been
+% defined with @set, or has been undefined with @clear.
+%
+% The `\else' inside the `\doifset' parameter is a trick to reuse the
+% above code: if the variable is not set, do nothing, if it is set,
+% then redefine \next to \ifclearfail.
+%
+\makecond{ifclear}
+\def\ifclear{\parsearg{\doifset{\else \let\next=\ifclearfail}}}
+\def\ifclearfail{\doignore{ifclear}}
+
+% @dircategory CATEGORY  -- specify a category of the dir file
+% which this file should belong to.  Ignore this in TeX.
+\let\dircategory=\comment
+
+% @defininfoenclose.
+\let\definfoenclose=\comment
+
+
+\message{indexing,}
+% Index generation facilities
+
+% Define \newwrite to be identical to plain tex's \newwrite
+% except not \outer, so it can be used within macros and \if's.
+\edef\newwrite{\makecsname{ptexnewwrite}}
+
+% \newindex {foo} defines an index named foo.
+% It automatically defines \fooindex such that
+% \fooindex ...rest of line... puts an entry in the index foo.
+% It also defines \fooindfile to be the number of the output channel for
+% the file that accumulates this index.  The file's extension is foo.
+% The name of an index should be no more than 2 characters long
+% for the sake of vms.
+%
+\def\newindex#1{%
+  \iflinks
+    \expandafter\newwrite \csname#1indfile\endcsname
+    \openout \csname#1indfile\endcsname \jobname.#1 % Open the file
+  \fi
+  \expandafter\xdef\csname#1index\endcsname{%     % Define @#1index
+    \noexpand\doindex{#1}}
+}
+
+% @defindex foo  ==  \newindex{foo}
+%
+\def\defindex{\parsearg\newindex}
+
+% Define @defcodeindex, like @defindex except put all entries in @code.
+%
+\def\defcodeindex{\parsearg\newcodeindex}
+%
+\def\newcodeindex#1{%
+  \iflinks
+    \expandafter\newwrite \csname#1indfile\endcsname
+    \openout \csname#1indfile\endcsname \jobname.#1
+  \fi
+  \expandafter\xdef\csname#1index\endcsname{%
+    \noexpand\docodeindex{#1}}%
+}
+
+
+% @synindex foo bar    makes index foo feed into index bar.
+% Do this instead of @defindex foo if you don't want it as a separate index.
+%
+% @syncodeindex foo bar   similar, but put all entries made for index foo
+% inside @code.
+%
+\def\synindex#1 #2 {\dosynindex\doindex{#1}{#2}}
+\def\syncodeindex#1 #2 {\dosynindex\docodeindex{#1}{#2}}
+
+% #1 is \doindex or \docodeindex, #2 the index getting redefined (foo),
+% #3 the target index (bar).
+\def\dosynindex#1#2#3{%
+  % Only do \closeout if we haven't already done it, else we'll end up
+  % closing the target index.
+  \expandafter \ifx\csname donesynindex#2\endcsname \undefined
+    % The \closeout helps reduce unnecessary open files; the limit on the
+    % Acorn RISC OS is a mere 16 files.
+    \expandafter\closeout\csname#2indfile\endcsname
+    \expandafter\let\csname\donesynindex#2\endcsname = 1
+  \fi
+  % redefine \fooindfile:
+  \expandafter\let\expandafter\temp\expandafter=\csname#3indfile\endcsname
+  \expandafter\let\csname#2indfile\endcsname=\temp
+  % redefine \fooindex:
+  \expandafter\xdef\csname#2index\endcsname{\noexpand#1{#3}}%
+}
+
+% Define \doindex, the driver for all \fooindex macros.
+% Argument #1 is generated by the calling \fooindex macro,
+%  and it is "foo", the name of the index.
+
+% \doindex just uses \parsearg; it calls \doind for the actual work.
+% This is because \doind is more useful to call from other macros.
+
+% There is also \dosubind {index}{topic}{subtopic}
+% which makes an entry in a two-level index such as the operation index.
+
+\def\doindex#1{\edef\indexname{#1}\parsearg\singleindexer}
+\def\singleindexer #1{\doind{\indexname}{#1}}
+
+% like the previous two, but they put @code around the argument.
+\def\docodeindex#1{\edef\indexname{#1}\parsearg\singlecodeindexer}
+\def\singlecodeindexer #1{\doind{\indexname}{\code{#1}}}
+
+% Take care of Texinfo commands that can appear in an index entry.
+% Since there are some commands we want to expand, and others we don't,
+% we have to laboriously prevent expansion for those that we don't.
+%
+\def\indexdummies{%
+  \escapechar = `\\     % use backslash in output files.
+  \def\@{@}% change to @@ when we switch to @ as escape char in index files.
+  \def\ {\realbackslash\space }%
+  % Need these in case \tex is in effect and \{ is a \delimiter again.
+  % But can't use \lbracecmd and \rbracecmd because texindex assumes
+  % braces and backslashes are used only as delimiters.
+  \let\{ = \mylbrace
+  \let\} = \myrbrace
+  %
+  % Do the redefinitions.
+  \commondummies
+}
+
+% For the aux and toc files, @ is the escape character.  So we want to
+% redefine everything using @ as the escape character (instead of
+% \realbackslash, still used for index files).  When everything uses @,
+% this will be simpler.
+%
+\def\atdummies{%
+  \def\@{@@}%
+  \def\ {@ }%
+  \let\{ = \lbraceatcmd
+  \let\} = \rbraceatcmd
+  %
+  % Do the redefinitions.
+  \commondummies
+}
+
+% Called from \indexdummies and \atdummies.
+%
+\def\commondummies{%
+  %
+  % \definedummyword defines \#1 as \string\#1\space, thus effectively
+  % preventing its expansion.  This is used only for control% words,
+  % not control letters, because the \space would be incorrect for
+  % control characters, but is needed to separate the control word
+  % from whatever follows.
+  %
+  % For control letters, we have \definedummyletter, which omits the
+  % space.
+  %
+  % These can be used both for control words that take an argument and
+  % those that do not.  If it is followed by {arg} in the input, then
+  % that will dutifully get written to the index (or wherever).
+  %
+  \def\definedummyword  ##1{\def##1{\string##1\space}}%
+  \def\definedummyletter##1{\def##1{\string##1}}%
+  \let\definedummyaccent\definedummyletter
+  %
+  \commondummiesnofonts
+  %
+  \definedummyletter\_%
+  %
+  % Non-English letters.
+  \definedummyword\AA
+  \definedummyword\AE
+  \definedummyword\L
+  \definedummyword\OE
+  \definedummyword\O
+  \definedummyword\aa
+  \definedummyword\ae
+  \definedummyword\l
+  \definedummyword\oe
+  \definedummyword\o
+  \definedummyword\ss
+  \definedummyword\exclamdown
+  \definedummyword\questiondown
+  \definedummyword\ordf
+  \definedummyword\ordm
+  %
+  % Although these internal commands shouldn't show up, sometimes they do.
+  \definedummyword\bf
+  \definedummyword\gtr
+  \definedummyword\hat
+  \definedummyword\less
+  \definedummyword\sf
+  \definedummyword\sl
+  \definedummyword\tclose
+  \definedummyword\tt
+  %
+  \definedummyword\LaTeX
+  \definedummyword\TeX
+  %
+  % Assorted special characters.
+  \definedummyword\bullet
+  \definedummyword\comma
+  \definedummyword\copyright
+  \definedummyword\registeredsymbol
+  \definedummyword\dots
+  \definedummyword\enddots
+  \definedummyword\equiv
+  \definedummyword\error
+  \definedummyword\euro
+  \definedummyword\expansion
+  \definedummyword\minus
+  \definedummyword\pounds
+  \definedummyword\point
+  \definedummyword\print
+  \definedummyword\result
+  %
+  % We want to disable all macros so that they are not expanded by \write.
+  \macrolist
+  %
+  \normalturnoffactive
+  %
+  % Handle some cases of @value -- where it does not contain any
+  % (non-fully-expandable) commands.
+  \makevalueexpandable
+}
+
+% \commondummiesnofonts: common to \commondummies and \indexnofonts.
+%
+% Better have this without active chars.
+{
+  \catcode`\~=\other
+  \gdef\commondummiesnofonts{%
+    % Control letters and accents.
+    \definedummyletter\!%
+    \definedummyaccent\"%
+    \definedummyaccent\'%
+    \definedummyletter\*%
+    \definedummyaccent\,%
+    \definedummyletter\.%
+    \definedummyletter\/%
+    \definedummyletter\:%
+    \definedummyaccent\=%
+    \definedummyletter\?%
+    \definedummyaccent\^%
+    \definedummyaccent\`%
+    \definedummyaccent\~%
+    \definedummyword\u
+    \definedummyword\v
+    \definedummyword\H
+    \definedummyword\dotaccent
+    \definedummyword\ringaccent
+    \definedummyword\tieaccent
+    \definedummyword\ubaraccent
+    \definedummyword\udotaccent
+    \definedummyword\dotless
+    %
+    % Texinfo font commands.
+    \definedummyword\b
+    \definedummyword\i
+    \definedummyword\r
+    \definedummyword\sc
+    \definedummyword\t
+    %
+    % Commands that take arguments.
+    \definedummyword\acronym
+    \definedummyword\cite
+    \definedummyword\code
+    \definedummyword\command
+    \definedummyword\dfn
+    \definedummyword\emph
+    \definedummyword\env
+    \definedummyword\file
+    \definedummyword\kbd
+    \definedummyword\key
+    \definedummyword\math
+    \definedummyword\option
+    \definedummyword\samp
+    \definedummyword\strong
+    \definedummyword\tie
+    \definedummyword\uref
+    \definedummyword\url
+    \definedummyword\var
+    \definedummyword\verb
+    \definedummyword\w
+  }
+}
+
+% \indexnofonts is used when outputting the strings to sort the index
+% by, and when constructing control sequence names.  It eliminates all
+% control sequences and just writes whatever the best ASCII sort string
+% would be for a given command (usually its argument).
+%
+\def\indexnofonts{%
+  % Accent commands should become @asis.
+  \def\definedummyaccent##1{\let##1\asis}%
+  % We can just ignore other control letters.
+  \def\definedummyletter##1{\let##1\empty}%
+  % Hopefully, all control words can become @asis.
+  \let\definedummyword\definedummyaccent
+  %
+  \commondummiesnofonts
+  %
+  % Don't no-op \tt, since it isn't a user-level command
+  % and is used in the definitions of the active chars like <, >, |, etc.
+  % Likewise with the other plain tex font commands.
+  %\let\tt=\asis
+  %
+  \def\ { }%
+  \def\@{@}%
+  % how to handle braces?
+  \def\_{\normalunderscore}%
+  %
+  % Non-English letters.
+  \def\AA{AA}%
+  \def\AE{AE}%
+  \def\L{L}%
+  \def\OE{OE}%
+  \def\O{O}%
+  \def\aa{aa}%
+  \def\ae{ae}%
+  \def\l{l}%
+  \def\oe{oe}%
+  \def\o{o}%
+  \def\ss{ss}%
+  \def\exclamdown{!}%
+  \def\questiondown{?}%
+  \def\ordf{a}%
+  \def\ordm{o}%
+  %
+  \def\LaTeX{LaTeX}%
+  \def\TeX{TeX}%
+  %
+  % Assorted special characters.
+  % (The following {} will end up in the sort string, but that's ok.)
+  \def\bullet{bullet}%
+  \def\comma{,}%
+  \def\copyright{copyright}%
+  \def\registeredsymbol{R}%
+  \def\dots{...}%
+  \def\enddots{...}%
+  \def\equiv{==}%
+  \def\error{error}%
+  \def\euro{euro}%
+  \def\expansion{==>}%
+  \def\minus{-}%
+  \def\pounds{pounds}%
+  \def\point{.}%
+  \def\print{-|}%
+  \def\result{=>}%
+  %
+  % We need to get rid of all macros, leaving only the arguments (if present).
+  % Of course this is not nearly correct, but it is the best we can do for now.
+  % makeinfo does not expand macros in the argument to @deffn, which ends up
+  % writing an index entry, and texindex isn't prepared for an index sort entry
+  % that starts with \.
+  % 
+  % Since macro invocations are followed by braces, we can just redefine them
+  % to take a single TeX argument.  The case of a macro invocation that
+  % goes to end-of-line is not handled.
+  % 
+  \macrolist
+}
+
+\let\indexbackslash=0  %overridden during \printindex.
+\let\SETmarginindex=\relax % put index entries in margin (undocumented)?
+
+% Most index entries go through here, but \dosubind is the general case.
+% #1 is the index name, #2 is the entry text.
+\def\doind#1#2{\dosubind{#1}{#2}{}}
+
+% Workhorse for all \fooindexes.
+% #1 is name of index, #2 is stuff to put there, #3 is subentry --
+% empty if called from \doind, as we usually are (the main exception
+% is with most defuns, which call us directly).
+%
+\def\dosubind#1#2#3{%
+  \iflinks
+  {%
+    % Store the main index entry text (including the third arg).
+    \toks0 = {#2}%
+    % If third arg is present, precede it with a space.
+    \def\thirdarg{#3}%
+    \ifx\thirdarg\empty \else
+      \toks0 = \expandafter{\the\toks0 \space #3}%
+    \fi
+    %
+    \edef\writeto{\csname#1indfile\endcsname}%
+    %
+    \ifvmode
+      \dosubindsanitize
+    \else
+      \dosubindwrite
+    \fi
+  }%
+  \fi
+}
+
+% Write the entry in \toks0 to the index file:
+%
+\def\dosubindwrite{%
+  % Put the index entry in the margin if desired.
+  \ifx\SETmarginindex\relax\else
+    \insert\margin{\hbox{\vrule height8pt depth3pt width0pt \the\toks0}}%
+  \fi
+  %
+  % Remember, we are within a group.
+  \indexdummies % Must do this here, since \bf, etc expand at this stage
+  \def\backslashcurfont{\indexbackslash}% \indexbackslash isn't defined now
+      % so it will be output as is; and it will print as backslash.
+  %
+  % Process the index entry with all font commands turned off, to
+  % get the string to sort by.
+  {\indexnofonts
+   \edef\temp{\the\toks0}% need full expansion
+   \xdef\indexsorttmp{\temp}%
+  }%
+  %
+  % Set up the complete index entry, with both the sort key and
+  % the original text, including any font commands.  We write
+  % three arguments to \entry to the .?? file (four in the
+  % subentry case), texindex reduces to two when writing the .??s
+  % sorted result.
+  \edef\temp{%
+    \write\writeto{%
+      \string\entry{\indexsorttmp}{\noexpand\folio}{\the\toks0}}%
+  }%
+  \temp
+}
+
+% Take care of unwanted page breaks:
+%
+% If a skip is the last thing on the list now, preserve it
+% by backing up by \lastskip, doing the \write, then inserting
+% the skip again.  Otherwise, the whatsit generated by the
+% \write will make \lastskip zero.  The result is that sequences
+% like this:
+% @end defun
+% @tindex whatever
+% @defun ...
+% will have extra space inserted, because the \medbreak in the
+% start of the @defun won't see the skip inserted by the @end of
+% the previous defun.
+%
+% But don't do any of this if we're not in vertical mode.  We
+% don't want to do a \vskip and prematurely end a paragraph.
+%
+% Avoid page breaks due to these extra skips, too.
+%
+% But wait, there is a catch there:
+% We'll have to check whether \lastskip is zero skip.  \ifdim is not
+% sufficient for this purpose, as it ignores stretch and shrink parts
+% of the skip.  The only way seems to be to check the textual
+% representation of the skip.
+%
+% The following is almost like \def\zeroskipmacro{0.0pt} except that
+% the ``p'' and ``t'' characters have catcode \other, not 11 (letter).
+%
+\edef\zeroskipmacro{\expandafter\the\csname z at skip\endcsname}
+%
+% ..., ready, GO:
+%
+\def\dosubindsanitize{%
+  % \lastskip and \lastpenalty cannot both be nonzero simultaneously.
+  \skip0 = \lastskip
+  \edef\lastskipmacro{\the\lastskip}%
+  \count255 = \lastpenalty
+  %
+  % If \lastskip is nonzero, that means the last item was a
+  % skip.  And since a skip is discardable, that means this
+  % -\skip0 glue we're inserting is preceded by a
+  % non-discardable item, therefore it is not a potential
+  % breakpoint, therefore no \nobreak needed.
+  \ifx\lastskipmacro\zeroskipmacro
+  \else
+    \vskip-\skip0
+  \fi
+  %
+  \dosubindwrite
+  %
+  \ifx\lastskipmacro\zeroskipmacro
+    % If \lastskip was zero, perhaps the last item was a penalty, and
+    % perhaps it was >=10000, e.g., a \nobreak.  In that case, we want
+    % to re-insert the same penalty (values >10000 are used for various
+    % signals); since we just inserted a non-discardable item, any
+    % following glue (such as a \parskip) would be a breakpoint.  For example:
+    % 
+    %   @deffn deffn-whatever
+    %   @vindex index-whatever
+    %   Description.
+    % would allow a break between the index-whatever whatsit
+    % and the "Description." paragraph.
+    \ifnum\count255>9999 \penalty\count255 \fi
+  \else
+    % On the other hand, if we had a nonzero \lastskip,
+    % this make-up glue would be preceded by a non-discardable item
+    % (the whatsit from the \write), so we must insert a \nobreak.
+    \nobreak\vskip\skip0
+  \fi
+}
+
+% The index entry written in the file actually looks like
+%  \entry {sortstring}{page}{topic}
+% or
+%  \entry {sortstring}{page}{topic}{subtopic}
+% The texindex program reads in these files and writes files
+% containing these kinds of lines:
+%  \initial {c}
+%     before the first topic whose initial is c
+%  \entry {topic}{pagelist}
+%     for a topic that is used without subtopics
+%  \primary {topic}
+%     for the beginning of a topic that is used with subtopics
+%  \secondary {subtopic}{pagelist}
+%     for each subtopic.
+
+% Define the user-accessible indexing commands
+% @findex, @vindex, @kindex, @cindex.
+
+\def\findex {\fnindex}
+\def\kindex {\kyindex}
+\def\cindex {\cpindex}
+\def\vindex {\vrindex}
+\def\tindex {\tpindex}
+\def\pindex {\pgindex}
+
+\def\cindexsub {\begingroup\obeylines\cindexsub}
+{\obeylines %
+\gdef\cindexsub "#1" #2^^M{\endgroup %
+\dosubind{cp}{#2}{#1}}}
+
+% Define the macros used in formatting output of the sorted index material.
+
+% @printindex causes a particular index (the ??s file) to get printed.
+% It does not print any chapter heading (usually an @unnumbered).
+%
+\parseargdef\printindex{\begingroup
+  \dobreak \chapheadingskip{10000}%
+  %
+  \smallfonts \rm
+  \tolerance = 9500
+  \everypar = {}% don't want the \kern\-parindent from indentation suppression.
+  %
+  % See if the index file exists and is nonempty.
+  % Change catcode of @ here so that if the index file contains
+  % \initial {@}
+  % as its first line, TeX doesn't complain about mismatched braces
+  % (because it thinks @} is a control sequence).
+  \catcode`\@ = 11
+  \openin 1 \jobname.#1s
+  \ifeof 1
+    % \enddoublecolumns gets confused if there is no text in the index,
+    % and it loses the chapter title and the aux file entries for the
+    % index.  The easiest way to prevent this problem is to make sure
+    % there is some text.
+    \putwordIndexNonexistent
+  \else
+    %
+    % If the index file exists but is empty, then \openin leaves \ifeof
+    % false.  We have to make TeX try to read something from the file, so
+    % it can discover if there is anything in it.
+    \read 1 to \temp
+    \ifeof 1
+      \putwordIndexIsEmpty
+    \else
+      % Index files are almost Texinfo source, but we use \ as the escape
+      % character.  It would be better to use @, but that's too big a change
+      % to make right now.
+      \def\indexbackslash{\backslashcurfont}%
+      \catcode`\\ = 0
+      \escapechar = `\\
+      \begindoublecolumns
+      \input \jobname.#1s
+      \enddoublecolumns
+    \fi
+  \fi
+  \closein 1
+\endgroup}
+
+% These macros are used by the sorted index file itself.
+% Change them to control the appearance of the index.
+
+\def\initial#1{{%
+  % Some minor font changes for the special characters.
+  \let\tentt=\sectt \let\tt=\sectt \let\sf=\sectt
+  %
+  % Remove any glue we may have, we'll be inserting our own.
+  \removelastskip
+  %
+  % We like breaks before the index initials, so insert a bonus.
+  \nobreak
+  \vskip 0pt plus 3\baselineskip
+  \penalty 0
+  \vskip 0pt plus -3\baselineskip
+  %
+  % Typeset the initial.  Making this add up to a whole number of
+  % baselineskips increases the chance of the dots lining up from column
+  % to column.  It still won't often be perfect, because of the stretch
+  % we need before each entry, but it's better.
+  %
+  % No shrink because it confuses \balancecolumns.
+  \vskip 1.67\baselineskip plus .5\baselineskip
+  \leftline{\secbf #1}%
+  % Do our best not to break after the initial.
+  \nobreak
+  \vskip .33\baselineskip plus .1\baselineskip
+}}
+
+% \entry typesets a paragraph consisting of the text (#1), dot leaders, and
+% then page number (#2) flushed to the right margin.  It is used for index
+% and table of contents entries.  The paragraph is indented by \leftskip.
+%
+% A straightforward implementation would start like this:
+%	\def\entry#1#2{...
+% But this frozes the catcodes in the argument, and can cause problems to
+% @code, which sets - active.  This problem was fixed by a kludge---
+% ``-'' was active throughout whole index, but this isn't really right.
+%
+% The right solution is to prevent \entry from swallowing the whole text.
+%                                 --kasal, 21nov03
+\def\entry{%
+  \begingroup
+    %
+    % Start a new paragraph if necessary, so our assignments below can't
+    % affect previous text.
+    \par
+    %
+    % Do not fill out the last line with white space.
+    \parfillskip = 0in
+    %
+    % No extra space above this paragraph.
+    \parskip = 0in
+    %
+    % Do not prefer a separate line ending with a hyphen to fewer lines.
+    \finalhyphendemerits = 0
+    %
+    % \hangindent is only relevant when the entry text and page number
+    % don't both fit on one line.  In that case, bob suggests starting the
+    % dots pretty far over on the line.  Unfortunately, a large
+    % indentation looks wrong when the entry text itself is broken across
+    % lines.  So we use a small indentation and put up with long leaders.
+    %
+    % \hangafter is reset to 1 (which is the value we want) at the start
+    % of each paragraph, so we need not do anything with that.
+    \hangindent = 2em
+    %
+    % When the entry text needs to be broken, just fill out the first line
+    % with blank space.
+    \rightskip = 0pt plus1fil
+    %
+    % A bit of stretch before each entry for the benefit of balancing
+    % columns.
+    \vskip 0pt plus1pt
+    %
+    % Swallow the left brace of the text (first parameter):
+    \afterassignment\doentry
+    \let\temp =
+}
+\def\doentry{%
+    \bgroup % Instead of the swallowed brace.
+      \noindent
+      \aftergroup\finishentry
+      % And now comes the text of the entry.
+}
+\def\finishentry#1{%
+    % #1 is the page number.
+    %
+    % The following is kludged to not output a line of dots in the index if
+    % there are no page numbers.  The next person who breaks this will be
+    % cursed by a Unix daemon.
+    \def\tempa{{\rm }}%
+    \def\tempb{#1}%
+    \edef\tempc{\tempa}%
+    \edef\tempd{\tempb}%
+    \ifx\tempc\tempd
+      \ %
+    \else
+      %
+      % If we must, put the page number on a line of its own, and fill out
+      % this line with blank space.  (The \hfil is overwhelmed with the
+      % fill leaders glue in \indexdotfill if the page number does fit.)
+      \hfil\penalty50
+      \null\nobreak\indexdotfill % Have leaders before the page number.
+      %
+      % The `\ ' here is removed by the implicit \unskip that TeX does as
+      % part of (the primitive) \par.  Without it, a spurious underfull
+      % \hbox ensues.
+      \ifpdf
+	\pdfgettoks#1.%
+	\ \the\toksA
+      \else
+	\ #1%
+      \fi
+    \fi
+    \par
+  \endgroup
+}
+
+% Like \dotfill except takes at least 1 em.
+\def\indexdotfill{\cleaders
+  \hbox{$\mathsurround=0pt \mkern1.5mu ${\it .}$ \mkern1.5mu$}\hskip 1em plus 1fill}
+
+\def\primary #1{\line{#1\hfil}}
+
+\newskip\secondaryindent \secondaryindent=0.5cm
+\def\secondary#1#2{{%
+  \parfillskip=0in
+  \parskip=0in
+  \hangindent=1in
+  \hangafter=1
+  \noindent\hskip\secondaryindent\hbox{#1}\indexdotfill
+  \ifpdf
+    \pdfgettoks#2.\ \the\toksA % The page number ends the paragraph.
+  \else
+    #2
+  \fi
+  \par
+}}
+
+% Define two-column mode, which we use to typeset indexes.
+% Adapted from the TeXbook, page 416, which is to say,
+% the manmac.tex format used to print the TeXbook itself.
+\catcode`\@=11
+
+\newbox\partialpage
+\newdimen\doublecolumnhsize
+
+\def\begindoublecolumns{\begingroup % ended by \enddoublecolumns
+  % Grab any single-column material above us.
+  \output = {%
+    %
+    % Here is a possibility not foreseen in manmac: if we accumulate a
+    % whole lot of material, we might end up calling this \output
+    % routine twice in a row (see the doublecol-lose test, which is
+    % essentially a couple of indexes with @setchapternewpage off).  In
+    % that case we just ship out what is in \partialpage with the normal
+    % output routine.  Generally, \partialpage will be empty when this
+    % runs and this will be a no-op.  See the indexspread.tex test case.
+    \ifvoid\partialpage \else
+      \onepageout{\pagecontents\partialpage}%
+    \fi
+    %
+    \global\setbox\partialpage = \vbox{%
+      % Unvbox the main output page.
+      \unvbox\PAGE
+      \kern-\topskip \kern\baselineskip
+    }%
+  }%
+  \eject % run that output routine to set \partialpage
+  %
+  % Use the double-column output routine for subsequent pages.
+  \output = {\doublecolumnout}%
+  %
+  % Change the page size parameters.  We could do this once outside this
+  % routine, in each of @smallbook, @afourpaper, and the default 8.5x11
+  % format, but then we repeat the same computation.  Repeating a couple
+  % of assignments once per index is clearly meaningless for the
+  % execution time, so we may as well do it in one place.
+  %
+  % First we halve the line length, less a little for the gutter between
+  % the columns.  We compute the gutter based on the line length, so it
+  % changes automatically with the paper format.  The magic constant
+  % below is chosen so that the gutter has the same value (well, +-<1pt)
+  % as it did when we hard-coded it.
+  %
+  % We put the result in a separate register, \doublecolumhsize, so we
+  % can restore it in \pagesofar, after \hsize itself has (potentially)
+  % been clobbered.
+  %
+  \doublecolumnhsize = \hsize
+    \advance\doublecolumnhsize by -.04154\hsize
+    \divide\doublecolumnhsize by 2
+  \hsize = \doublecolumnhsize
+  %
+  % Double the \vsize as well.  (We don't need a separate register here,
+  % since nobody clobbers \vsize.)
+  \vsize = 2\vsize
+}
+
+% The double-column output routine for all double-column pages except
+% the last.
+%
+\def\doublecolumnout{%
+  \splittopskip=\topskip \splitmaxdepth=\maxdepth
+  % Get the available space for the double columns -- the normal
+  % (undoubled) page height minus any material left over from the
+  % previous page.
+  \dimen@ = \vsize
+  \divide\dimen@ by 2
+  \advance\dimen@ by -\ht\partialpage
+  %
+  % box0 will be the left-hand column, box2 the right.
+  \setbox0=\vsplit255 to\dimen@ \setbox2=\vsplit255 to\dimen@
+  \onepageout\pagesofar
+  \unvbox255
+  \penalty\outputpenalty
+}
+%
+% Re-output the contents of the output page -- any previous material,
+% followed by the two boxes we just split, in box0 and box2.
+\def\pagesofar{%
+  \unvbox\partialpage
+  %
+  \hsize = \doublecolumnhsize
+  \wd0=\hsize \wd2=\hsize
+  \hbox to\pagewidth{\box0\hfil\box2}%
+}
+%
+% All done with double columns.
+\def\enddoublecolumns{%
+  \output = {%
+    % Split the last of the double-column material.  Leave it on the
+    % current page, no automatic page break.
+    \balancecolumns
+    %
+    % If we end up splitting too much material for the current page,
+    % though, there will be another page break right after this \output
+    % invocation ends.  Having called \balancecolumns once, we do not
+    % want to call it again.  Therefore, reset \output to its normal
+    % definition right away.  (We hope \balancecolumns will never be
+    % called on to balance too much material, but if it is, this makes
+    % the output somewhat more palatable.)
+    \global\output = {\onepageout{\pagecontents\PAGE}}%
+  }%
+  \eject
+  \endgroup % started in \begindoublecolumns
+  %
+  % \pagegoal was set to the doubled \vsize above, since we restarted
+  % the current page.  We're now back to normal single-column
+  % typesetting, so reset \pagegoal to the normal \vsize (after the
+  % \endgroup where \vsize got restored).
+  \pagegoal = \vsize
+}
+%
+% Called at the end of the double column material.
+\def\balancecolumns{%
+  \setbox0 = \vbox{\unvbox255}% like \box255 but more efficient, see p.120.
+  \dimen@ = \ht0
+  \advance\dimen@ by \topskip
+  \advance\dimen@ by-\baselineskip
+  \divide\dimen@ by 2 % target to split to
+  %debug\message{final 2-column material height=\the\ht0, target=\the\dimen at .}%
+  \splittopskip = \topskip
+  % Loop until we get a decent breakpoint.
+  {%
+    \vbadness = 10000
+    \loop
+      \global\setbox3 = \copy0
+      \global\setbox1 = \vsplit3 to \dimen@
+    \ifdim\ht3>\dimen@
+      \global\advance\dimen@ by 1pt
+    \repeat
+  }%
+  %debug\message{split to \the\dimen@, column heights: \the\ht1, \the\ht3.}%
+  \setbox0=\vbox to\dimen@{\unvbox1}%
+  \setbox2=\vbox to\dimen@{\unvbox3}%
+  %
+  \pagesofar
+}
+\catcode`\@ = \other
+
+
+\message{sectioning,}
+% Chapters, sections, etc.
+
+% \unnumberedno is an oxymoron, of course.  But we count the unnumbered
+% sections so that we can refer to them unambiguously in the pdf
+% outlines by their "section number".  We avoid collisions with chapter
+% numbers by starting them at 10000.  (If a document ever has 10000
+% chapters, we're in trouble anyway, I'm sure.)
+\newcount\unnumberedno \unnumberedno = 10000
+\newcount\chapno
+\newcount\secno        \secno=0
+\newcount\subsecno     \subsecno=0
+\newcount\subsubsecno  \subsubsecno=0
+
+% This counter is funny since it counts through charcodes of letters A, B, ...
+\newcount\appendixno  \appendixno = `\@
+%
+% \def\appendixletter{\char\the\appendixno}
+% We do the following ugly conditional instead of the above simple
+% construct for the sake of pdftex, which needs the actual
+% letter in the expansion, not just typeset.
+%
+\def\appendixletter{%
+  \ifnum\appendixno=`A A%
+  \else\ifnum\appendixno=`B B%
+  \else\ifnum\appendixno=`C C%
+  \else\ifnum\appendixno=`D D%
+  \else\ifnum\appendixno=`E E%
+  \else\ifnum\appendixno=`F F%
+  \else\ifnum\appendixno=`G G%
+  \else\ifnum\appendixno=`H H%
+  \else\ifnum\appendixno=`I I%
+  \else\ifnum\appendixno=`J J%
+  \else\ifnum\appendixno=`K K%
+  \else\ifnum\appendixno=`L L%
+  \else\ifnum\appendixno=`M M%
+  \else\ifnum\appendixno=`N N%
+  \else\ifnum\appendixno=`O O%
+  \else\ifnum\appendixno=`P P%
+  \else\ifnum\appendixno=`Q Q%
+  \else\ifnum\appendixno=`R R%
+  \else\ifnum\appendixno=`S S%
+  \else\ifnum\appendixno=`T T%
+  \else\ifnum\appendixno=`U U%
+  \else\ifnum\appendixno=`V V%
+  \else\ifnum\appendixno=`W W%
+  \else\ifnum\appendixno=`X X%
+  \else\ifnum\appendixno=`Y Y%
+  \else\ifnum\appendixno=`Z Z%
+  % The \the is necessary, despite appearances, because \appendixletter is
+  % expanded while writing the .toc file.  \char\appendixno is not
+  % expandable, thus it is written literally, thus all appendixes come out
+  % with the same letter (or @) in the toc without it.
+  \else\char\the\appendixno
+  \fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi
+  \fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi}
+
+% Each @chapter defines this as the name of the chapter.
+% page headings and footings can use it.  @section does likewise.
+% However, they are not reliable, because we don't use marks.
+\def\thischapter{}
+\def\thissection{}
+
+\newcount\absseclevel % used to calculate proper heading level
+\newcount\secbase\secbase=0 % @raisesections/@lowersections modify this count
+
+% @raisesections: treat @section as chapter, @subsection as section, etc.
+\def\raisesections{\global\advance\secbase by -1}
+\let\up=\raisesections % original BFox name
+
+% @lowersections: treat @chapter as section, @section as subsection, etc.
+\def\lowersections{\global\advance\secbase by 1}
+\let\down=\lowersections % original BFox name
+
+% we only have subsub.
+\chardef\maxseclevel = 3
+%
+% A numbered section within an unnumbered changes to unnumbered too.
+% To achive this, remember the "biggest" unnum. sec. we are currently in:
+\chardef\unmlevel = \maxseclevel
+%
+% Trace whether the current chapter is an appendix or not:
+% \chapheadtype is "N" or "A", unnumbered chapters are ignored.
+\def\chapheadtype{N}
+
+% Choose a heading macro
+% #1 is heading type
+% #2 is heading level
+% #3 is text for heading
+\def\genhead#1#2#3{%
+  % Compute the abs. sec. level:
+  \absseclevel=#2
+  \advance\absseclevel by \secbase
+  % Make sure \absseclevel doesn't fall outside the range:
+  \ifnum \absseclevel < 0
+    \absseclevel = 0
+  \else
+    \ifnum \absseclevel > 3
+      \absseclevel = 3
+    \fi
+  \fi
+  % The heading type:
+  \def\headtype{#1}%
+  \if \headtype U%
+    \ifnum \absseclevel < \unmlevel
+      \chardef\unmlevel = \absseclevel
+    \fi
+  \else
+    % Check for appendix sections:
+    \ifnum \absseclevel = 0
+      \edef\chapheadtype{\headtype}%
+    \else
+      \if \headtype A\if \chapheadtype N%
+	\errmessage{@appendix... within a non-appendix chapter}%
+      \fi\fi
+    \fi
+    % Check for numbered within unnumbered:
+    \ifnum \absseclevel > \unmlevel
+      \def\headtype{U}%
+    \else
+      \chardef\unmlevel = 3
+    \fi
+  \fi
+  % Now print the heading:
+  \if \headtype U%
+    \ifcase\absseclevel
+	\unnumberedzzz{#3}%
+    \or \unnumberedseczzz{#3}%
+    \or \unnumberedsubseczzz{#3}%
+    \or \unnumberedsubsubseczzz{#3}%
+    \fi
+  \else
+    \if \headtype A%
+      \ifcase\absseclevel
+	  \appendixzzz{#3}%
+      \or \appendixsectionzzz{#3}%
+      \or \appendixsubseczzz{#3}%
+      \or \appendixsubsubseczzz{#3}%
+      \fi
+    \else
+      \ifcase\absseclevel
+	  \chapterzzz{#3}%
+      \or \seczzz{#3}%
+      \or \numberedsubseczzz{#3}%
+      \or \numberedsubsubseczzz{#3}%
+      \fi
+    \fi
+  \fi
+  \suppressfirstparagraphindent
+}
+
+% an interface:
+\def\numhead{\genhead N}
+\def\apphead{\genhead A}
+\def\unnmhead{\genhead U}
+
+% @chapter, @appendix, @unnumbered.  Increment top-level counter, reset
+% all lower-level sectioning counters to zero.
+%
+% Also set \chaplevelprefix, which we prepend to @float sequence numbers
+% (e.g., figures), q.v.  By default (before any chapter), that is empty.
+\let\chaplevelprefix = \empty
+%
+\outer\parseargdef\chapter{\numhead0{#1}} % normally numhead0 calls chapterzzz
+\def\chapterzzz#1{%
+  % section resetting is \global in case the chapter is in a group, such
+  % as an @include file.
+  \global\secno=0 \global\subsecno=0 \global\subsubsecno=0
+    \global\advance\chapno by 1
+  %
+  % Used for \float.
+  \gdef\chaplevelprefix{\the\chapno.}%
+  \resetallfloatnos
+  %
+  \message{\putwordChapter\space \the\chapno}%
+  %
+  % Write the actual heading.
+  \chapmacro{#1}{Ynumbered}{\the\chapno}%
+  %
+  % So @section and the like are numbered underneath this chapter.
+  \global\let\section = \numberedsec
+  \global\let\subsection = \numberedsubsec
+  \global\let\subsubsection = \numberedsubsubsec
+}
+
+\outer\parseargdef\appendix{\apphead0{#1}} % normally apphead0 calls appendixzzz
+\def\appendixzzz#1{%
+  \global\secno=0 \global\subsecno=0 \global\subsubsecno=0
+    \global\advance\appendixno by 1
+  \gdef\chaplevelprefix{\appendixletter.}%
+  \resetallfloatnos
+  %
+  \def\appendixnum{\putwordAppendix\space \appendixletter}%
+  \message{\appendixnum}%
+  %
+  \chapmacro{#1}{Yappendix}{\appendixletter}%
+  %
+  \global\let\section = \appendixsec
+  \global\let\subsection = \appendixsubsec
+  \global\let\subsubsection = \appendixsubsubsec
+}
+
+\outer\parseargdef\unnumbered{\unnmhead0{#1}} % normally unnmhead0 calls unnumberedzzz
+\def\unnumberedzzz#1{%
+  \global\secno=0 \global\subsecno=0 \global\subsubsecno=0
+    \global\advance\unnumberedno by 1
+  %
+  % Since an unnumbered has no number, no prefix for figures.
+  \global\let\chaplevelprefix = \empty
+  \resetallfloatnos
+  %
+  % This used to be simply \message{#1}, but TeX fully expands the
+  % argument to \message.  Therefore, if #1 contained @-commands, TeX
+  % expanded them.  For example, in `@unnumbered The @cite{Book}', TeX
+  % expanded @cite (which turns out to cause errors because \cite is meant
+  % to be executed, not expanded).
+  %
+  % Anyway, we don't want the fully-expanded definition of @cite to appear
+  % as a result of the \message, we just want `@cite' itself.  We use
+  % \the<toks register> to achieve this: TeX expands \the<toks> only once,
+  % simply yielding the contents of <toks register>.  (We also do this for
+  % the toc entries.)
+  \toks0 = {#1}%
+  \message{(\the\toks0)}%
+  %
+  \chapmacro{#1}{Ynothing}{\the\unnumberedno}%
+  %
+  \global\let\section = \unnumberedsec
+  \global\let\subsection = \unnumberedsubsec
+  \global\let\subsubsection = \unnumberedsubsubsec
+}
+
+% @centerchap is like @unnumbered, but the heading is centered.
+\outer\parseargdef\centerchap{%
+  % Well, we could do the following in a group, but that would break
+  % an assumption that \chapmacro is called at the outermost level.
+  % Thus we are safer this way:		--kasal, 24feb04
+  \let\centerparametersmaybe = \centerparameters
+  \unnmhead0{#1}%
+  \let\centerparametersmaybe = \relax
+}
+
+% @top is like @unnumbered.
+\let\top\unnumbered
+
+% Sections.
+\outer\parseargdef\numberedsec{\numhead1{#1}} % normally calls seczzz
+\def\seczzz#1{%
+  \global\subsecno=0 \global\subsubsecno=0  \global\advance\secno by 1
+  \sectionheading{#1}{sec}{Ynumbered}{\the\chapno.\the\secno}%
+}
+
+\outer\parseargdef\appendixsection{\apphead1{#1}} % normally calls appendixsectionzzz
+\def\appendixsectionzzz#1{%
+  \global\subsecno=0 \global\subsubsecno=0  \global\advance\secno by 1
+  \sectionheading{#1}{sec}{Yappendix}{\appendixletter.\the\secno}%
+}
+\let\appendixsec\appendixsection
+
+\outer\parseargdef\unnumberedsec{\unnmhead1{#1}} % normally calls unnumberedseczzz
+\def\unnumberedseczzz#1{%
+  \global\subsecno=0 \global\subsubsecno=0  \global\advance\secno by 1
+  \sectionheading{#1}{sec}{Ynothing}{\the\unnumberedno.\the\secno}%
+}
+
+% Subsections.
+\outer\parseargdef\numberedsubsec{\numhead2{#1}} % normally calls numberedsubseczzz
+\def\numberedsubseczzz#1{%
+  \global\subsubsecno=0  \global\advance\subsecno by 1
+  \sectionheading{#1}{subsec}{Ynumbered}{\the\chapno.\the\secno.\the\subsecno}%
+}
+
+\outer\parseargdef\appendixsubsec{\apphead2{#1}} % normally calls appendixsubseczzz
+\def\appendixsubseczzz#1{%
+  \global\subsubsecno=0  \global\advance\subsecno by 1
+  \sectionheading{#1}{subsec}{Yappendix}%
+                 {\appendixletter.\the\secno.\the\subsecno}%
+}
+
+\outer\parseargdef\unnumberedsubsec{\unnmhead2{#1}} %normally calls unnumberedsubseczzz
+\def\unnumberedsubseczzz#1{%
+  \global\subsubsecno=0  \global\advance\subsecno by 1
+  \sectionheading{#1}{subsec}{Ynothing}%
+                 {\the\unnumberedno.\the\secno.\the\subsecno}%
+}
+
+% Subsubsections.
+\outer\parseargdef\numberedsubsubsec{\numhead3{#1}} % normally numberedsubsubseczzz
+\def\numberedsubsubseczzz#1{%
+  \global\advance\subsubsecno by 1
+  \sectionheading{#1}{subsubsec}{Ynumbered}%
+                 {\the\chapno.\the\secno.\the\subsecno.\the\subsubsecno}%
+}
+
+\outer\parseargdef\appendixsubsubsec{\apphead3{#1}} % normally appendixsubsubseczzz
+\def\appendixsubsubseczzz#1{%
+  \global\advance\subsubsecno by 1
+  \sectionheading{#1}{subsubsec}{Yappendix}%
+                 {\appendixletter.\the\secno.\the\subsecno.\the\subsubsecno}%
+}
+
+\outer\parseargdef\unnumberedsubsubsec{\unnmhead3{#1}} %normally unnumberedsubsubseczzz
+\def\unnumberedsubsubseczzz#1{%
+  \global\advance\subsubsecno by 1
+  \sectionheading{#1}{subsubsec}{Ynothing}%
+                 {\the\unnumberedno.\the\secno.\the\subsecno.\the\subsubsecno}%
+}
+
+% These macros control what the section commands do, according
+% to what kind of chapter we are in (ordinary, appendix, or unnumbered).
+% Define them by default for a numbered chapter.
+\let\section = \numberedsec
+\let\subsection = \numberedsubsec
+\let\subsubsection = \numberedsubsubsec
+
+% Define @majorheading, @heading and @subheading
+
+% NOTE on use of \vbox for chapter headings, section headings, and such:
+%       1) We use \vbox rather than the earlier \line to permit
+%          overlong headings to fold.
+%       2) \hyphenpenalty is set to 10000 because hyphenation in a
+%          heading is obnoxious; this forbids it.
+%       3) Likewise, headings look best if no \parindent is used, and
+%          if justification is not attempted.  Hence \raggedright.
+
+
+\def\majorheading{%
+  {\advance\chapheadingskip by 10pt \chapbreak }%
+  \parsearg\chapheadingzzz
+}
+
+\def\chapheading{\chapbreak \parsearg\chapheadingzzz}
+\def\chapheadingzzz#1{%
+  {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
+                    \parindent=0pt\raggedright
+                    \rm #1\hfill}}%
+  \bigskip \par\penalty 200\relax
+  \suppressfirstparagraphindent
+}
+
+% @heading, @subheading, @subsubheading.
+\parseargdef\heading{\sectionheading{#1}{sec}{Yomitfromtoc}{}
+  \suppressfirstparagraphindent}
+\parseargdef\subheading{\sectionheading{#1}{subsec}{Yomitfromtoc}{}
+  \suppressfirstparagraphindent}
+\parseargdef\subsubheading{\sectionheading{#1}{subsubsec}{Yomitfromtoc}{}
+  \suppressfirstparagraphindent}
+
+% These macros generate a chapter, section, etc. heading only
+% (including whitespace, linebreaking, etc. around it),
+% given all the information in convenient, parsed form.
+
+%%% Args are the skip and penalty (usually negative)
+\def\dobreak#1#2{\par\ifdim\lastskip<#1\removelastskip\penalty#2\vskip#1\fi}
+
+%%% Define plain chapter starts, and page on/off switching for it
+% Parameter controlling skip before chapter headings (if needed)
+
+\newskip\chapheadingskip
+
+\def\chapbreak{\dobreak \chapheadingskip {-4000}}
+\def\chappager{\par\vfill\supereject}
+\def\chapoddpage{\chappager \ifodd\pageno \else \hbox to 0pt{} \chappager\fi}
+
+\def\setchapternewpage #1 {\csname CHAPPAG#1\endcsname}
+
+\def\CHAPPAGoff{%
+\global\let\contentsalignmacro = \chappager
+\global\let\pchapsepmacro=\chapbreak
+\global\let\pagealignmacro=\chappager}
+
+\def\CHAPPAGon{%
+\global\let\contentsalignmacro = \chappager
+\global\let\pchapsepmacro=\chappager
+\global\let\pagealignmacro=\chappager
+\global\def\HEADINGSon{\HEADINGSsingle}}
+
+\def\CHAPPAGodd{%
+\global\let\contentsalignmacro = \chapoddpage
+\global\let\pchapsepmacro=\chapoddpage
+\global\let\pagealignmacro=\chapoddpage
+\global\def\HEADINGSon{\HEADINGSdouble}}
+
+\CHAPPAGon
+
+% Chapter opening.
+%
+% #1 is the text, #2 is the section type (Ynumbered, Ynothing,
+% Yappendix, Yomitfromtoc), #3 the chapter number.
+%
+% To test against our argument.
+\def\Ynothingkeyword{Ynothing}
+\def\Yomitfromtockeyword{Yomitfromtoc}
+\def\Yappendixkeyword{Yappendix}
+%
+\def\chapmacro#1#2#3{%
+  \pchapsepmacro
+  {%
+    \chapfonts \rm
+    %
+    % Have to define \thissection before calling \donoderef, because the
+    % xref code eventually uses it.  On the other hand, it has to be called
+    % after \pchapsepmacro, or the headline will change too soon.
+    \gdef\thissection{#1}%
+    \gdef\thischaptername{#1}%
+    %
+    % Only insert the separating space if we have a chapter/appendix
+    % number, and don't print the unnumbered ``number''.
+    \def\temptype{#2}%
+    \ifx\temptype\Ynothingkeyword
+      \setbox0 = \hbox{}%
+      \def\toctype{unnchap}%
+      \gdef\thischapter{#1}%
+    \else\ifx\temptype\Yomitfromtockeyword
+      \setbox0 = \hbox{}% contents like unnumbered, but no toc entry
+      \def\toctype{omit}%
+      \gdef\thischapter{}%
+    \else\ifx\temptype\Yappendixkeyword
+      \setbox0 = \hbox{\putwordAppendix{} #3\enspace}%
+      \def\toctype{app}%
+      % We don't substitute the actual chapter name into \thischapter
+      % because we don't want its macros evaluated now.  And we don't
+      % use \thissection because that changes with each section.
+      %
+      \xdef\thischapter{\putwordAppendix{} \appendixletter:
+                        \noexpand\thischaptername}%
+    \else
+      \setbox0 = \hbox{#3\enspace}%
+      \def\toctype{numchap}%
+      \xdef\thischapter{\putwordChapter{} \the\chapno:
+                        \noexpand\thischaptername}%
+    \fi\fi\fi
+    %
+    % Write the toc entry for this chapter.  Must come before the
+    % \donoderef, because we include the current node name in the toc
+    % entry, and \donoderef resets it to empty.
+    \writetocentry{\toctype}{#1}{#3}%
+    %
+    % For pdftex, we have to write out the node definition (aka, make
+    % the pdfdest) after any page break, but before the actual text has
+    % been typeset.  If the destination for the pdf outline is after the
+    % text, then jumping from the outline may wind up with the text not
+    % being visible, for instance under high magnification.
+    \donoderef{#2}%
+    %
+    % Typeset the actual heading.
+    \vbox{\hyphenpenalty=10000 \tolerance=5000 \parindent=0pt \raggedright
+          \hangindent=\wd0 \centerparametersmaybe
+          \unhbox0 #1\par}%
+  }%
+  \nobreak\bigskip % no page break after a chapter title
+  \nobreak
+}
+
+% @centerchap -- centered and unnumbered.
+\let\centerparametersmaybe = \relax
+\def\centerparameters{%
+  \advance\rightskip by 3\rightskip
+  \leftskip = \rightskip
+  \parfillskip = 0pt
+}
+
+
+% I don't think this chapter style is supported any more, so I'm not
+% updating it with the new noderef stuff.  We'll see.  --karl, 11aug03.
+%
+\def\setchapterstyle #1 {\csname CHAPF#1\endcsname}
+%
+\def\unnchfopen #1{%
+\chapoddpage {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
+                       \parindent=0pt\raggedright
+                       \rm #1\hfill}}\bigskip \par\nobreak
+}
+\def\chfopen #1#2{\chapoddpage {\chapfonts
+\vbox to 3in{\vfil \hbox to\hsize{\hfil #2} \hbox to\hsize{\hfil #1} \vfil}}%
+\par\penalty 5000 %
+}
+\def\centerchfopen #1{%
+\chapoddpage {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
+                       \parindent=0pt
+                       \hfill {\rm #1}\hfill}}\bigskip \par\nobreak
+}
+\def\CHAPFopen{%
+  \global\let\chapmacro=\chfopen
+  \global\let\centerchapmacro=\centerchfopen}
+
+
+% Section titles.  These macros combine the section number parts and
+% call the generic \sectionheading to do the printing.
+%
+\newskip\secheadingskip
+\def\secheadingbreak{\dobreak \secheadingskip{-1000}}
+
+% Subsection titles.
+\newskip\subsecheadingskip
+\def\subsecheadingbreak{\dobreak \subsecheadingskip{-500}}
+
+% Subsubsection titles.
+\def\subsubsecheadingskip{\subsecheadingskip}
+\def\subsubsecheadingbreak{\subsecheadingbreak}
+
+
+% Print any size, any type, section title.
+%
+% #1 is the text, #2 is the section level (sec/subsec/subsubsec), #3 is
+% the section type for xrefs (Ynumbered, Ynothing, Yappendix), #4 is the
+% section number.
+%
+\def\sectionheading#1#2#3#4{%
+  {%
+    % Switch to the right set of fonts.
+    \csname #2fonts\endcsname \rm
+    %
+    % Insert space above the heading.
+    \csname #2headingbreak\endcsname
+    %
+    % Only insert the space after the number if we have a section number.
+    \def\sectionlevel{#2}%
+    \def\temptype{#3}%
+    %
+    \ifx\temptype\Ynothingkeyword
+      \setbox0 = \hbox{}%
+      \def\toctype{unn}%
+      \gdef\thissection{#1}%
+    \else\ifx\temptype\Yomitfromtockeyword
+      % for @headings -- no section number, don't include in toc,
+      % and don't redefine \thissection.
+      \setbox0 = \hbox{}%
+      \def\toctype{omit}%
+      \let\sectionlevel=\empty
+    \else\ifx\temptype\Yappendixkeyword
+      \setbox0 = \hbox{#4\enspace}%
+      \def\toctype{app}%
+      \gdef\thissection{#1}%
+    \else
+      \setbox0 = \hbox{#4\enspace}%
+      \def\toctype{num}%
+      \gdef\thissection{#1}%
+    \fi\fi\fi
+    %
+    % Write the toc entry (before \donoderef).  See comments in \chfplain.
+    \writetocentry{\toctype\sectionlevel}{#1}{#4}%
+    %
+    % Write the node reference (= pdf destination for pdftex).
+    % Again, see comments in \chfplain.
+    \donoderef{#3}%
+    %
+    % Output the actual section heading.
+    \vbox{\hyphenpenalty=10000 \tolerance=5000 \parindent=0pt \raggedright
+          \hangindent=\wd0  % zero if no section number
+          \unhbox0 #1}%
+  }%
+  % Add extra space after the heading -- half of whatever came above it.
+  % Don't allow stretch, though.
+  \kern .5 \csname #2headingskip\endcsname
+  %
+  % Do not let the kern be a potential breakpoint, as it would be if it
+  % was followed by glue.
+  \nobreak
+  %
+  % We'll almost certainly start a paragraph next, so don't let that
+  % glue accumulate.  (Not a breakpoint because it's preceded by a
+  % discardable item.)
+  \vskip-\parskip
+  % 
+  % This is purely so the last item on the list is a known \penalty >
+  % 10000.  This is so \startdefun can avoid allowing breakpoints after
+  % section headings.  Otherwise, it would insert a valid breakpoint between:
+  % 
+  %   @section sec-whatever
+  %   @deffn def-whatever
+  \penalty 10001
+}
+
+
+\message{toc,}
+% Table of contents.
+\newwrite\tocfile
+
+% Write an entry to the toc file, opening it if necessary.
+% Called from @chapter, etc.
+%
+% Example usage: \writetocentry{sec}{Section Name}{\the\chapno.\the\secno}
+% We append the current node name (if any) and page number as additional
+% arguments for the \{chap,sec,...}entry macros which will eventually
+% read this.  The node name is used in the pdf outlines as the
+% destination to jump to.
+%
+% We open the .toc file for writing here instead of at @setfilename (or
+% any other fixed time) so that @contents can be anywhere in the document.
+% But if #1 is `omit', then we don't do anything.  This is used for the
+% table of contents chapter openings themselves.
+%
+\newif\iftocfileopened
+\def\omitkeyword{omit}%
+%
+\def\writetocentry#1#2#3{%
+  \edef\writetoctype{#1}%
+  \ifx\writetoctype\omitkeyword \else
+    \iftocfileopened\else
+      \immediate\openout\tocfile = \jobname.toc
+      \global\tocfileopenedtrue
+    \fi
+    %
+    \iflinks
+      {\atdummies
+       \edef\temp{%
+         \write\tocfile{@#1entry{#2}{#3}{\lastnode}{\noexpand\folio}}}%
+       \temp
+      }
+    \fi
+  \fi
+  %
+  % Tell \shipout to create a pdf destination on each page, if we're
+  % writing pdf.  These are used in the table of contents.  We can't
+  % just write one on every page because the title pages are numbered
+  % 1 and 2 (the page numbers aren't printed), and so are the first
+  % two pages of the document.  Thus, we'd have two destinations named
+  % `1', and two named `2'.
+  \ifpdf \global\pdfmakepagedesttrue \fi
+}
+
+
+% These characters do not print properly in the Computer Modern roman
+% fonts, so we must take special care.  This is more or less redundant
+% with the Texinfo input format setup at the end of this file.
+% 
+\def\activecatcodes{%
+  \catcode`\"=\active
+  \catcode`\$=\active
+  \catcode`\<=\active
+  \catcode`\>=\active
+  \catcode`\\=\active
+  \catcode`\^=\active
+  \catcode`\_=\active
+  \catcode`\|=\active
+  \catcode`\~=\active
+}
+
+
+% Read the toc file, which is essentially Texinfo input.
+\def\readtocfile{%
+  \setupdatafile
+  \activecatcodes
+  \input \jobname.toc
+}
+
+\newskip\contentsrightmargin \contentsrightmargin=1in
+\newcount\savepageno
+\newcount\lastnegativepageno \lastnegativepageno = -1
+
+% Prepare to read what we've written to \tocfile.
+%
+\def\startcontents#1{%
+  % If @setchapternewpage on, and @headings double, the contents should
+  % start on an odd page, unlike chapters.  Thus, we maintain
+  % \contentsalignmacro in parallel with \pagealignmacro.
+  % From: Torbjorn Granlund <tege at matematik.su.se>
+  \contentsalignmacro
+  \immediate\closeout\tocfile
+  %
+  % Don't need to put `Contents' or `Short Contents' in the headline.
+  % It is abundantly clear what they are.
+  \def\thischapter{}%
+  \chapmacro{#1}{Yomitfromtoc}{}%
+  %
+  \savepageno = \pageno
+  \begingroup                  % Set up to handle contents files properly.
+    \raggedbottom              % Worry more about breakpoints than the bottom.
+    \advance\hsize by -\contentsrightmargin % Don't use the full line length.
+    %
+    % Roman numerals for page numbers.
+    \ifnum \pageno>0 \global\pageno = \lastnegativepageno \fi
+}
+
+
+% Normal (long) toc.
+\def\contents{%
+  \startcontents{\putwordTOC}%
+    \openin 1 \jobname.toc
+    \ifeof 1 \else
+      \readtocfile
+    \fi
+    \vfill \eject
+    \contentsalignmacro % in case @setchapternewpage odd is in effect
+    \ifeof 1 \else
+      \pdfmakeoutlines
+    \fi
+    \closein 1
+  \endgroup
+  \lastnegativepageno = \pageno
+  \global\pageno = \savepageno
+}
+
+% And just the chapters.
+\def\summarycontents{%
+  \startcontents{\putwordShortTOC}%
+    %
+    \let\numchapentry = \shortchapentry
+    \let\appentry = \shortchapentry
+    \let\unnchapentry = \shortunnchapentry
+    % We want a true roman here for the page numbers.
+    \secfonts
+    \let\rm=\shortcontrm \let\bf=\shortcontbf
+    \let\sl=\shortcontsl \let\tt=\shortconttt
+    \rm
+    \hyphenpenalty = 10000
+    \advance\baselineskip by 1pt % Open it up a little.
+    \def\numsecentry##1##2##3##4{}
+    \let\appsecentry = \numsecentry
+    \let\unnsecentry = \numsecentry
+    \let\numsubsecentry = \numsecentry
+    \let\appsubsecentry = \numsecentry
+    \let\unnsubsecentry = \numsecentry
+    \let\numsubsubsecentry = \numsecentry
+    \let\appsubsubsecentry = \numsecentry
+    \let\unnsubsubsecentry = \numsecentry
+    \openin 1 \jobname.toc
+    \ifeof 1 \else
+      \readtocfile
+    \fi
+    \closein 1
+    \vfill \eject
+    \contentsalignmacro % in case @setchapternewpage odd is in effect
+  \endgroup
+  \lastnegativepageno = \pageno
+  \global\pageno = \savepageno
+}
+\let\shortcontents = \summarycontents
+
+% Typeset the label for a chapter or appendix for the short contents.
+% The arg is, e.g., `A' for an appendix, or `3' for a chapter.
+%
+\def\shortchaplabel#1{%
+  % This space should be enough, since a single number is .5em, and the
+  % widest letter (M) is 1em, at least in the Computer Modern fonts.
+  % But use \hss just in case.
+  % (This space doesn't include the extra space that gets added after
+  % the label; that gets put in by \shortchapentry above.)
+  %
+  % We'd like to right-justify chapter numbers, but that looks strange
+  % with appendix letters.  And right-justifying numbers and
+  % left-justifying letters looks strange when there is less than 10
+  % chapters.  Have to read the whole toc once to know how many chapters
+  % there are before deciding ...
+  \hbox to 1em{#1\hss}%
+}
+
+% These macros generate individual entries in the table of contents.
+% The first argument is the chapter or section name.
+% The last argument is the page number.
+% The arguments in between are the chapter number, section number, ...
+
+% Chapters, in the main contents.
+\def\numchapentry#1#2#3#4{\dochapentry{#2\labelspace#1}{#4}}
+%
+% Chapters, in the short toc.
+% See comments in \dochapentry re vbox and related settings.
+\def\shortchapentry#1#2#3#4{%
+  \tocentry{\shortchaplabel{#2}\labelspace #1}{\doshortpageno\bgroup#4\egroup}%
+}
+
+% Appendices, in the main contents.
+% Need the word Appendix, and a fixed-size box.
+%
+\def\appendixbox#1{%
+  % We use M since it's probably the widest letter.
+  \setbox0 = \hbox{\putwordAppendix{} M}%
+  \hbox to \wd0{\putwordAppendix{} #1\hss}}
+%
+\def\appentry#1#2#3#4{\dochapentry{\appendixbox{#2}\labelspace#1}{#4}}
+
+% Unnumbered chapters.
+\def\unnchapentry#1#2#3#4{\dochapentry{#1}{#4}}
+\def\shortunnchapentry#1#2#3#4{\tocentry{#1}{\doshortpageno\bgroup#4\egroup}}
+
+% Sections.
+\def\numsecentry#1#2#3#4{\dosecentry{#2\labelspace#1}{#4}}
+\let\appsecentry=\numsecentry
+\def\unnsecentry#1#2#3#4{\dosecentry{#1}{#4}}
+
+% Subsections.
+\def\numsubsecentry#1#2#3#4{\dosubsecentry{#2\labelspace#1}{#4}}
+\let\appsubsecentry=\numsubsecentry
+\def\unnsubsecentry#1#2#3#4{\dosubsecentry{#1}{#4}}
+
+% And subsubsections.
+\def\numsubsubsecentry#1#2#3#4{\dosubsubsecentry{#2\labelspace#1}{#4}}
+\let\appsubsubsecentry=\numsubsubsecentry
+\def\unnsubsubsecentry#1#2#3#4{\dosubsubsecentry{#1}{#4}}
+
+% This parameter controls the indentation of the various levels.
+% Same as \defaultparindent.
+\newdimen\tocindent \tocindent = 15pt
+
+% Now for the actual typesetting. In all these, #1 is the text and #2 is the
+% page number.
+%
+% If the toc has to be broken over pages, we want it to be at chapters
+% if at all possible; hence the \penalty.
+\def\dochapentry#1#2{%
+   \penalty-300 \vskip1\baselineskip plus.33\baselineskip minus.25\baselineskip
+   \begingroup
+     \chapentryfonts
+     \tocentry{#1}{\dopageno\bgroup#2\egroup}%
+   \endgroup
+   \nobreak\vskip .25\baselineskip plus.1\baselineskip
+}
+
+\def\dosecentry#1#2{\begingroup
+  \secentryfonts \leftskip=\tocindent
+  \tocentry{#1}{\dopageno\bgroup#2\egroup}%
+\endgroup}
+
+\def\dosubsecentry#1#2{\begingroup
+  \subsecentryfonts \leftskip=2\tocindent
+  \tocentry{#1}{\dopageno\bgroup#2\egroup}%
+\endgroup}
+
+\def\dosubsubsecentry#1#2{\begingroup
+  \subsubsecentryfonts \leftskip=3\tocindent
+  \tocentry{#1}{\dopageno\bgroup#2\egroup}%
+\endgroup}
+
+% We use the same \entry macro as for the index entries.
+\let\tocentry = \entry
+
+% Space between chapter (or whatever) number and the title.
+\def\labelspace{\hskip1em \relax}
+
+\def\dopageno#1{{\rm #1}}
+\def\doshortpageno#1{{\rm #1}}
+
+\def\chapentryfonts{\secfonts \rm}
+\def\secentryfonts{\textfonts}
+\def\subsecentryfonts{\textfonts}
+\def\subsubsecentryfonts{\textfonts}
+
+
+\message{environments,}
+% @foo ... @end foo.
+
+% @point{}, @result{}, @expansion{}, @print{}, @equiv{}.
+%
+% Since these characters are used in examples, it should be an even number of
+% \tt widths. Each \tt character is 1en, so two makes it 1em.
+%
+\def\point{$\star$}
+\def\result{\leavevmode\raise.15ex\hbox to 1em{\hfil$\Rightarrow$\hfil}}
+\def\expansion{\leavevmode\raise.1ex\hbox to 1em{\hfil$\mapsto$\hfil}}
+\def\print{\leavevmode\lower.1ex\hbox to 1em{\hfil$\dashv$\hfil}}
+\def\equiv{\leavevmode\lower.1ex\hbox to 1em{\hfil$\ptexequiv$\hfil}}
+
+% The @error{} command.
+% Adapted from the TeXbook's \boxit.
+%
+\newbox\errorbox
+%
+{\tentt \global\dimen0 = 3em}% Width of the box.
+\dimen2 = .55pt % Thickness of rules
+% The text. (`r' is open on the right, `e' somewhat less so on the left.)
+\setbox0 = \hbox{\kern-.75pt \tensf error\kern-1.5pt}
+%
+\setbox\errorbox=\hbox to \dimen0{\hfil
+   \hsize = \dimen0 \advance\hsize by -5.8pt % Space to left+right.
+   \advance\hsize by -2\dimen2 % Rules.
+   \vbox{%
+      \hrule height\dimen2
+      \hbox{\vrule width\dimen2 \kern3pt          % Space to left of text.
+         \vtop{\kern2.4pt \box0 \kern2.4pt}% Space above/below.
+         \kern3pt\vrule width\dimen2}% Space to right.
+      \hrule height\dimen2}
+    \hfil}
+%
+\def\error{\leavevmode\lower.7ex\copy\errorbox}
+
+% @tex ... @end tex    escapes into raw Tex temporarily.
+% One exception: @ is still an escape character, so that @end tex works.
+% But \@ or @@ will get a plain tex @ character.
+
+\envdef\tex{%
+  \catcode `\\=0 \catcode `\{=1 \catcode `\}=2
+  \catcode `\$=3 \catcode `\&=4 \catcode `\#=6
+  \catcode `\^=7 \catcode `\_=8 \catcode `\~=\active \let~=\tie
+  \catcode `\%=14
+  \catcode `\+=\other
+  \catcode `\"=\other
+  \catcode `\|=\other
+  \catcode `\<=\other
+  \catcode `\>=\other
+  \escapechar=`\\
+  %
+  \let\b=\ptexb
+  \let\bullet=\ptexbullet
+  \let\c=\ptexc
+  \let\,=\ptexcomma
+  \let\.=\ptexdot
+  \let\dots=\ptexdots
+  \let\equiv=\ptexequiv
+  \let\!=\ptexexclam
+  \let\i=\ptexi
+  \let\indent=\ptexindent
+  \let\noindent=\ptexnoindent
+  \let\{=\ptexlbrace
+  \let\+=\tabalign
+  \let\}=\ptexrbrace
+  \let\/=\ptexslash
+  \let\*=\ptexstar
+  \let\t=\ptext
+  \let\frenchspacing=\plainfrenchspacing
+  %
+  \def\endldots{\mathinner{\ldots\ldots\ldots\ldots}}%
+  \def\enddots{\relax\ifmmode\endldots\else$\mathsurround=0pt \endldots\,$\fi}%
+  \def\@{@}%
+}
+% There is no need to define \Etex.
+
+% Define @lisp ... @end lisp.
+% @lisp environment forms a group so it can rebind things,
+% including the definition of @end lisp (which normally is erroneous).
+
+% Amount to narrow the margins by for @lisp.
+\newskip\lispnarrowing \lispnarrowing=0.4in
+
+% This is the definition that ^^M gets inside @lisp, @example, and other
+% such environments.  \null is better than a space, since it doesn't
+% have any width.
+\def\lisppar{\null\endgraf}
+
+% This space is always present above and below environments.
+\newskip\envskipamount \envskipamount = 0pt
+
+% Make spacing and below environment symmetrical.  We use \parskip here
+% to help in doing that, since in @example-like environments \parskip
+% is reset to zero; thus the \afterenvbreak inserts no space -- but the
+% start of the next paragraph will insert \parskip.
+%
+\def\aboveenvbreak{{%
+  % =10000 instead of <10000 because of a special case in \itemzzz and
+  % \sectionheading, q.v.
+  \ifnum \lastpenalty=10000 \else
+    \advance\envskipamount by \parskip
+    \endgraf
+    \ifdim\lastskip<\envskipamount
+      \removelastskip
+      % it's not a good place to break if the last penalty was \nobreak
+      % or better ...
+      \ifnum\lastpenalty<10000 \penalty-50 \fi
+      \vskip\envskipamount
+    \fi
+  \fi
+}}
+
+\let\afterenvbreak = \aboveenvbreak
+
+% \nonarrowing is a flag.  If "set", @lisp etc don't narrow margins; it will
+% also clear it, so that its embedded environments do the narrowing again.
+\let\nonarrowing=\relax
+
+% @cartouche ... @end cartouche: draw rectangle w/rounded corners around
+% environment contents.
+\font\circle=lcircle10
+\newdimen\circthick
+\newdimen\cartouter\newdimen\cartinner
+\newskip\normbskip\newskip\normpskip\newskip\normlskip
+\circthick=\fontdimen8\circle
+%
+\def\ctl{{\circle\char'013\hskip -6pt}}% 6pt from pl file: 1/2charwidth
+\def\ctr{{\hskip 6pt\circle\char'010}}
+\def\cbl{{\circle\char'012\hskip -6pt}}
+\def\cbr{{\hskip 6pt\circle\char'011}}
+\def\carttop{\hbox to \cartouter{\hskip\lskip
+        \ctl\leaders\hrule height\circthick\hfil\ctr
+        \hskip\rskip}}
+\def\cartbot{\hbox to \cartouter{\hskip\lskip
+        \cbl\leaders\hrule height\circthick\hfil\cbr
+        \hskip\rskip}}
+%
+\newskip\lskip\newskip\rskip
+
+\envdef\cartouche{%
+  \ifhmode\par\fi  % can't be in the midst of a paragraph.
+  \startsavinginserts
+  \lskip=\leftskip \rskip=\rightskip
+  \leftskip=0pt\rightskip=0pt % we want these *outside*.
+  \cartinner=\hsize \advance\cartinner by-\lskip
+  \advance\cartinner by-\rskip
+  \cartouter=\hsize
+  \advance\cartouter by 18.4pt	% allow for 3pt kerns on either
+				% side, and for 6pt waste from
+				% each corner char, and rule thickness
+  \normbskip=\baselineskip \normpskip=\parskip \normlskip=\lineskip
+  % Flag to tell @lisp, etc., not to narrow margin.
+  \let\nonarrowing = t%
+  \vbox\bgroup
+      \baselineskip=0pt\parskip=0pt\lineskip=0pt
+      \carttop
+      \hbox\bgroup
+	  \hskip\lskip
+	  \vrule\kern3pt
+	  \vbox\bgroup
+	      \kern3pt
+	      \hsize=\cartinner
+	      \baselineskip=\normbskip
+	      \lineskip=\normlskip
+	      \parskip=\normpskip
+	      \vskip -\parskip
+	      \comment % For explanation, see the end of \def\group.
+}
+\def\Ecartouche{%
+              \ifhmode\par\fi
+	      \kern3pt
+	  \egroup
+	  \kern3pt\vrule
+	  \hskip\rskip
+      \egroup
+      \cartbot
+  \egroup
+  \checkinserts
+}
+
+
+% This macro is called at the beginning of all the @example variants,
+% inside a group.
+\def\nonfillstart{%
+  \aboveenvbreak
+  \hfuzz = 12pt % Don't be fussy
+  \sepspaces % Make spaces be word-separators rather than space tokens.
+  \let\par = \lisppar % don't ignore blank lines
+  \obeylines % each line of input is a line of output
+  \parskip = 0pt
+  \parindent = 0pt
+  \emergencystretch = 0pt % don't try to avoid overfull boxes
+  \ifx\nonarrowing\relax
+    \advance \leftskip by \lispnarrowing
+    \exdentamount=\lispnarrowing
+  \else
+    \let\nonarrowing = \relax
+  \fi
+  \let\exdent=\nofillexdent
+}
+
+% If you want all examples etc. small: @set dispenvsize small.
+% If you want even small examples the full size: @set dispenvsize nosmall.
+% This affects the following displayed environments:
+%    @example, @display, @format, @lisp
+%
+\def\smallword{small}
+\def\nosmallword{nosmall}
+\let\SETdispenvsize\relax
+\def\setnormaldispenv{%
+  \ifx\SETdispenvsize\smallword
+    \smallexamplefonts \rm
+  \fi
+}
+\def\setsmalldispenv{%
+  \ifx\SETdispenvsize\nosmallword
+  \else
+    \smallexamplefonts \rm
+  \fi
+}
+
+% We often define two environments, @foo and @smallfoo.
+% Let's do it by one command:
+\def\makedispenv #1#2{
+  \expandafter\envdef\csname#1\endcsname {\setnormaldispenv #2}
+  \expandafter\envdef\csname small#1\endcsname {\setsmalldispenv #2}
+  \expandafter\let\csname E#1\endcsname \afterenvbreak
+  \expandafter\let\csname Esmall#1\endcsname \afterenvbreak
+}
+
+% Define two synonyms:
+\def\maketwodispenvs #1#2#3{
+  \makedispenv{#1}{#3}
+  \makedispenv{#2}{#3}
+}
+
+% @lisp: indented, narrowed, typewriter font; @example: same as @lisp.
+%
+% @smallexample and @smalllisp: use smaller fonts.
+% Originally contributed by Pavel at xerox.
+%
+\maketwodispenvs {lisp}{example}{%
+  \nonfillstart
+  \tt
+  \let\kbdfont = \kbdexamplefont % Allow @kbd to do something special.
+  \gobble       % eat return
+}
+
+% @display/@smalldisplay: same as @lisp except keep current font.
+%
+\makedispenv {display}{%
+  \nonfillstart
+  \gobble
+}
+
+% @format/@smallformat: same as @display except don't narrow margins.
+%
+\makedispenv{format}{%
+  \let\nonarrowing = t%
+  \nonfillstart
+  \gobble
+}
+
+% @flushleft: same as @format, but doesn't obey \SETdispenvsize.
+\envdef\flushleft{%
+  \let\nonarrowing = t%
+  \nonfillstart
+  \gobble
+}
+\let\Eflushleft = \afterenvbreak
+
+% @flushright.
+%
+\envdef\flushright{%
+  \let\nonarrowing = t%
+  \nonfillstart
+  \advance\leftskip by 0pt plus 1fill
+  \gobble
+}
+\let\Eflushright = \afterenvbreak
+
+
+% @quotation does normal linebreaking (hence we can't use \nonfillstart)
+% and narrows the margins.  We keep \parskip nonzero in general, since
+% we're doing normal filling.  So, when using \aboveenvbreak and
+% \afterenvbreak, temporarily make \parskip 0.
+%
+\envdef\quotation{%
+  {\parskip=0pt \aboveenvbreak}% because \aboveenvbreak inserts \parskip
+  \parindent=0pt
+  %
+  % @cartouche defines \nonarrowing to inhibit narrowing at next level down.
+  \ifx\nonarrowing\relax
+    \advance\leftskip by \lispnarrowing
+    \advance\rightskip by \lispnarrowing
+    \exdentamount = \lispnarrowing
+  \else
+    \let\nonarrowing = \relax
+  \fi
+  \parsearg\quotationlabel
+}
+
+% We have retained a nonzero parskip for the environment, since we're
+% doing normal filling.
+%
+\def\Equotation{%
+  \par
+  \ifx\quotationauthor\undefined\else
+    % indent a bit.
+    \leftline{\kern 2\leftskip \sl ---\quotationauthor}%
+  \fi
+  {\parskip=0pt \afterenvbreak}%
+}
+
+% If we're given an argument, typeset it in bold with a colon after.
+\def\quotationlabel#1{%
+  \def\temp{#1}%
+  \ifx\temp\empty \else
+    {\bf #1: }%
+  \fi
+}
+
+
+% LaTeX-like @verbatim... at end verbatim and @verb{<char>...<char>}
+% If we want to allow any <char> as delimiter,
+% we need the curly braces so that makeinfo sees the @verb command, eg:
+% `@verbx...x' would look like the '@verbx' command.  --janneke at gnu.org
+%
+% [Knuth]: Donald Ervin Knuth, 1996.  The TeXbook.
+%
+% [Knuth] p.344; only we need to do the other characters Texinfo sets
+% active too.  Otherwise, they get lost as the first character on a
+% verbatim line.
+\def\dospecials{%
+  \do\ \do\\\do\{\do\}\do\$\do\&%
+  \do\#\do\^\do\^^K\do\_\do\^^A\do\%\do\~%
+  \do\<\do\>\do\|\do\@\do+\do\"%
+}
+%
+% [Knuth] p. 380
+\def\uncatcodespecials{%
+  \def\do##1{\catcode`##1=\other}\dospecials}
+%
+% [Knuth] pp. 380,381,391
+% Disable Spanish ligatures ?` and !` of \tt font
+\begingroup
+  \catcode`\`=\active\gdef`{\relax\lq}
+\endgroup
+%
+% Setup for the @verb command.
+%
+% Eight spaces for a tab
+\begingroup
+  \catcode`\^^I=\active
+  \gdef\tabeightspaces{\catcode`\^^I=\active\def^^I{\ \ \ \ \ \ \ \ }}
+\endgroup
+%
+\def\setupverb{%
+  \tt  % easiest (and conventionally used) font for verbatim
+  \def\par{\leavevmode\endgraf}%
+  \catcode`\`=\active
+  \tabeightspaces
+  % Respect line breaks,
+  % print special symbols as themselves, and
+  % make each space count
+  % must do in this order:
+  \obeylines \uncatcodespecials \sepspaces
+}
+
+% Setup for the @verbatim environment
+%
+% Real tab expansion
+\newdimen\tabw \setbox0=\hbox{\tt\space} \tabw=8\wd0 % tab amount
+%
+\def\starttabbox{\setbox0=\hbox\bgroup}
+\begingroup
+  \catcode`\^^I=\active
+  \gdef\tabexpand{%
+    \catcode`\^^I=\active
+    \def^^I{\leavevmode\egroup
+      \dimen0=\wd0 % the width so far, or since the previous tab
+      \divide\dimen0 by\tabw
+      \multiply\dimen0 by\tabw % compute previous multiple of \tabw
+      \advance\dimen0 by\tabw  % advance to next multiple of \tabw
+      \wd0=\dimen0 \box0 \starttabbox
+    }%
+  }
+\endgroup
+\def\setupverbatim{%
+  \let\nonarrowing = t%
+  \nonfillstart
+  % Easiest (and conventionally used) font for verbatim
+  \tt
+  \def\par{\leavevmode\egroup\box0\endgraf}%
+  \catcode`\`=\active
+  \tabexpand
+  % Respect line breaks,
+  % print special symbols as themselves, and
+  % make each space count
+  % must do in this order:
+  \obeylines \uncatcodespecials \sepspaces
+  \everypar{\starttabbox}%
+}
+
+% Do the @verb magic: verbatim text is quoted by unique
+% delimiter characters.  Before first delimiter expect a
+% right brace, after last delimiter expect closing brace:
+%
+%    \def\doverb'{'<char>#1<char>'}'{#1}
+%
+% [Knuth] p. 382; only eat outer {}
+\begingroup
+  \catcode`[=1\catcode`]=2\catcode`\{=\other\catcode`\}=\other
+  \gdef\doverb{#1[\def\next##1#1}[##1\endgroup]\next]
+\endgroup
+%
+\def\verb{\begingroup\setupverb\doverb}
+%
+%
+% Do the @verbatim magic: define the macro \doverbatim so that
+% the (first) argument ends when '@end verbatim' is reached, ie:
+%
+%     \def\doverbatim#1 at end verbatim{#1}
+%
+% For Texinfo it's a lot easier than for LaTeX,
+% because texinfo's \verbatim doesn't stop at '\end{verbatim}':
+% we need not redefine '\', '{' and '}'.
+%
+% Inspired by LaTeX's verbatim command set [latex.ltx]
+%
+\begingroup
+  \catcode`\ =\active
+  \obeylines %
+  % ignore everything up to the first ^^M, that's the newline at the end
+  % of the @verbatim input line itself.  Otherwise we get an extra blank
+  % line in the output.
+  \xdef\doverbatim#1^^M#2 at end verbatim{#2\noexpand\end\gobble verbatim}%
+  % We really want {...\end verbatim} in the body of the macro, but
+  % without the active space; thus we have to use \xdef and \gobble.
+\endgroup
+%
+\envdef\verbatim{%
+    \setupverbatim\doverbatim
+}
+\let\Everbatim = \afterenvbreak
+
+
+% @verbatiminclude FILE - insert text of file in verbatim environment.
+%
+\def\verbatiminclude{\parseargusing\filenamecatcodes\doverbatiminclude}
+%
+\def\doverbatiminclude#1{%
+  {%
+    \makevalueexpandable
+    \setupverbatim
+    \input #1
+    \afterenvbreak
+  }%
+}
+
+% @copying ... @end copying.
+% Save the text away for @insertcopying later.
+%
+% We save the uninterpreted tokens, rather than creating a box.
+% Saving the text in a box would be much easier, but then all the
+% typesetting commands (@smallbook, font changes, etc.) have to be done
+% beforehand -- and a) we want @copying to be done first in the source
+% file; b) letting users define the frontmatter in as flexible order as
+% possible is very desirable.
+%
+\def\copying{\checkenv{}\begingroup\scanargctxt\docopying}
+\def\docopying#1 at end copying{\endgroup\def\copyingtext{#1}}
+%
+\def\insertcopying{%
+  \begingroup
+    \parindent = 0pt  % paragraph indentation looks wrong on title page
+    \scanexp\copyingtext
+  \endgroup
+}
+
+\message{defuns,}
+% @defun etc.
+
+\newskip\defbodyindent \defbodyindent=.4in
+\newskip\defargsindent \defargsindent=50pt
+\newskip\deflastargmargin \deflastargmargin=18pt
+
+% Start the processing of @deffn:
+\def\startdefun{%
+  \ifnum\lastpenalty<10000
+    \medbreak
+  \else
+    % If there are two @def commands in a row, we'll have a \nobreak,
+    % which is there to keep the function description together with its
+    % header.  But if there's nothing but headers, we need to allow a
+    % break somewhere.  Check specifically for penalty 10002, inserted
+    % by \defargscommonending, instead of 10000, since the sectioning
+    % commands also insert a nobreak penalty, and we don't want to allow
+    % a break between a section heading and a defun.
+    % 
+    \ifnum\lastpenalty=10002 \penalty2000 \fi
+    %
+    % Similarly, after a section heading, do not allow a break.
+    % But do insert the glue.
+    \medskip  % preceded by discardable penalty, so not a breakpoint
+  \fi
+  %
+  \parindent=0in
+  \advance\leftskip by \defbodyindent
+  \exdentamount=\defbodyindent
+}
+
+\def\dodefunx#1{%
+  % First, check whether we are in the right environment:
+  \checkenv#1%
+  %
+  % As above, allow line break if we have multiple x headers in a row.
+  % It's not a great place, though.
+  \ifnum\lastpenalty=10002 \penalty3000 \fi
+  %
+  % And now, it's time to reuse the body of the original defun:
+  \expandafter\gobbledefun#1%
+}
+\def\gobbledefun#1\startdefun{}
+
+% \printdefunline \deffnheader{text}
+%
+\def\printdefunline#1#2{%
+  \begingroup
+    % call \deffnheader:
+    #1#2 \endheader
+    % common ending:
+    \interlinepenalty = 10000
+    \advance\rightskip by 0pt plus 1fil
+    \endgraf
+    \nobreak\vskip -\parskip
+    \penalty 10002  % signal to \startdefun and \dodefunx
+    % Some of the @defun-type tags do not enable magic parentheses,
+    % rendering the following check redundant.  But we don't optimize.
+    \checkparencounts
+  \endgroup
+}
+
+\def\Edefun{\endgraf\medbreak}
+
+% \makedefun{deffn} creates \deffn, \deffnx and \Edeffn;
+% the only thing remainnig is to define \deffnheader.
+%
+\def\makedefun#1{%
+  \expandafter\let\csname E#1\endcsname = \Edefun
+  \edef\temp{\noexpand\domakedefun
+    \makecsname{#1}\makecsname{#1x}\makecsname{#1header}}%
+  \temp
+}
+
+% \domakedefun \deffn \deffnx \deffnheader
+%
+% Define \deffn and \deffnx, without parameters.
+% \deffnheader has to be defined explicitly.
+%
+\def\domakedefun#1#2#3{%
+  \envdef#1{%
+    \startdefun
+    \parseargusing\activeparens{\printdefunline#3}%
+  }%
+  \def#2{\dodefunx#1}%
+  \def#3%
+}
+
+%%% Untyped functions:
+
+% @deffn category name args
+\makedefun{deffn}{\deffngeneral{}}
+
+% @deffn category class name args
+\makedefun{defop}#1 {\defopon{#1\ \putwordon}}
+
+% \defopon {category on}class name args
+\def\defopon#1#2 {\deffngeneral{\putwordon\ \code{#2}}{#1\ \code{#2}} }
+
+% \deffngeneral {subind}category name args
+%
+\def\deffngeneral#1#2 #3 #4\endheader{%
+  % Remember that \dosubind{fn}{foo}{} is equivalent to \doind{fn}{foo}.
+  \dosubind{fn}{\code{#3}}{#1}%
+  \defname{#2}{}{#3}\magicamp\defunargs{#4\unskip}%
+}
+
+%%% Typed functions:
+
+% @deftypefn category type name args
+\makedefun{deftypefn}{\deftypefngeneral{}}
+
+% @deftypeop category class type name args
+\makedefun{deftypeop}#1 {\deftypeopon{#1\ \putwordon}}
+
+% \deftypeopon {category on}class type name args
+\def\deftypeopon#1#2 {\deftypefngeneral{\putwordon\ \code{#2}}{#1\ \code{#2}} }
+
+% \deftypefngeneral {subind}category type name args
+%
+\def\deftypefngeneral#1#2 #3 #4 #5\endheader{%
+  \dosubind{fn}{\code{#4}}{#1}%
+  \defname{#2}{#3}{#4}\defunargs{#5\unskip}%
+}
+
+%%% Typed variables:
+
+% @deftypevr category type var args
+\makedefun{deftypevr}{\deftypecvgeneral{}}
+
+% @deftypecv category class type var args
+\makedefun{deftypecv}#1 {\deftypecvof{#1\ \putwordof}}
+
+% \deftypecvof {category of}class type var args
+\def\deftypecvof#1#2 {\deftypecvgeneral{\putwordof\ \code{#2}}{#1\ \code{#2}} }
+
+% \deftypecvgeneral {subind}category type var args
+%
+\def\deftypecvgeneral#1#2 #3 #4 #5\endheader{%
+  \dosubind{vr}{\code{#4}}{#1}%
+  \defname{#2}{#3}{#4}\defunargs{#5\unskip}%
+}
+
+%%% Untyped variables:
+
+% @defvr category var args
+\makedefun{defvr}#1 {\deftypevrheader{#1} {} }
+
+% @defcv category class var args
+\makedefun{defcv}#1 {\defcvof{#1\ \putwordof}}
+
+% \defcvof {category of}class var args
+\def\defcvof#1#2 {\deftypecvof{#1}#2 {} }
+
+%%% Type:
+% @deftp category name args
+\makedefun{deftp}#1 #2 #3\endheader{%
+  \doind{tp}{\code{#2}}%
+  \defname{#1}{}{#2}\defunargs{#3\unskip}%
+}
+
+% Remaining @defun-like shortcuts:
+\makedefun{defun}{\deffnheader{\putwordDeffunc} }
+\makedefun{defmac}{\deffnheader{\putwordDefmac} }
+\makedefun{defspec}{\deffnheader{\putwordDefspec} }
+\makedefun{deftypefun}{\deftypefnheader{\putwordDeffunc} }
+\makedefun{defvar}{\defvrheader{\putwordDefvar} }
+\makedefun{defopt}{\defvrheader{\putwordDefopt} }
+\makedefun{deftypevar}{\deftypevrheader{\putwordDefvar} }
+\makedefun{defmethod}{\defopon\putwordMethodon}
+\makedefun{deftypemethod}{\deftypeopon\putwordMethodon}
+\makedefun{defivar}{\defcvof\putwordInstanceVariableof}
+\makedefun{deftypeivar}{\deftypecvof\putwordInstanceVariableof}
+
+% \defname, which formats the name of the @def (not the args).
+% #1 is the category, such as "Function".
+% #2 is the return type, if any.
+% #3 is the function name.
+%
+% We are followed by (but not passed) the arguments, if any.
+%
+\def\defname#1#2#3{%
+  % Get the values of \leftskip and \rightskip as they were outside the @def...
+  \advance\leftskip by -\defbodyindent
+  %
+  % How we'll format the type name.  Putting it in brackets helps
+  % distinguish it from the body text that may end up on the next line
+  % just below it.
+  \def\temp{#1}%
+  \setbox0=\hbox{\kern\deflastargmargin \ifx\temp\empty\else [\rm\temp]\fi}
+  %
+  % Figure out line sizes for the paragraph shape.
+  % The first line needs space for \box0; but if \rightskip is nonzero,
+  % we need only space for the part of \box0 which exceeds it:
+  \dimen0=\hsize  \advance\dimen0 by -\wd0  \advance\dimen0 by \rightskip
+  % The continuations:
+  \dimen2=\hsize  \advance\dimen2 by -\defargsindent
+  % (plain.tex says that \dimen1 should be used only as global.)
+  \parshape 2 0in \dimen0 \defargsindent \dimen2
+  %
+  % Put the type name to the right margin.
+  \noindent
+  \hbox to 0pt{%
+    \hfil\box0 \kern-\hsize
+    % \hsize has to be shortened this way:
+    \kern\leftskip
+    % Intentionally do not respect \rightskip, since we need the space.
+  }%
+  %
+  % Allow all lines to be underfull without complaint:
+  \tolerance=10000 \hbadness=10000
+  \exdentamount=\defbodyindent
+  {%
+    % defun fonts. We use typewriter by default (used to be bold) because:
+    % . we're printing identifiers, they should be in tt in principle.
+    % . in languages with many accents, such as Czech or French, it's
+    %   common to leave accents off identifiers.  The result looks ok in
+    %   tt, but exceedingly strange in rm.
+    % . we don't want -- and --- to be treated as ligatures.
+    % . this still does not fix the ?` and !` ligatures, but so far no
+    %   one has made identifiers using them :).
+    \df \tt
+    \def\temp{#2}% return value type
+    \ifx\temp\empty\else \tclose{\temp} \fi
+    #3% output function name
+  }%
+  {\rm\enskip}% hskip 0.5 em of \tenrm
+  %
+  \boldbrax
+  % arguments will be output next, if any.
+}
+
+% Print arguments in slanted roman (not ttsl), inconsistently with using
+% tt for the name.  This is because literal text is sometimes needed in
+% the argument list (groff manual), and ttsl and tt are not very
+% distinguishable.  Prevent hyphenation at `-' chars.
+%
+\def\defunargs#1{%
+  % use sl by default (not ttsl),
+  % tt for the names.
+  \df \sl \hyphenchar\font=0
+  %
+  % On the other hand, if an argument has two dashes (for instance), we
+  % want a way to get ttsl.  Let's try @var for that.
+  \let\var=\ttslanted
+  #1%
+  \sl\hyphenchar\font=45
+}
+
+% We want ()&[] to print specially on the defun line.
+%
+\def\activeparens{%
+  \catcode`\(=\active \catcode`\)=\active
+  \catcode`\[=\active \catcode`\]=\active
+  \catcode`\&=\active
+}
+
+% Make control sequences which act like normal parenthesis chars.
+\let\lparen = ( \let\rparen = )
+
+% Be sure that we always have a definition for `(', etc.  For example,
+% if the fn name has parens in it, \boldbrax will not be in effect yet,
+% so TeX would otherwise complain about undefined control sequence.
+{
+  \activeparens
+  \global\let(=\lparen \global\let)=\rparen
+  \global\let[=\lbrack \global\let]=\rbrack
+  \global\let& = \&
+
+  \gdef\boldbrax{\let(=\opnr\let)=\clnr\let[=\lbrb\let]=\rbrb}
+  \gdef\magicamp{\let&=\amprm}
+}
+
+\newcount\parencount
+
+% If we encounter &foo, then turn on ()-hacking afterwards
+\newif\ifampseen
+\def\amprm#1 {\ampseentrue{\bf\&#1 }}
+
+\def\parenfont{%
+  \ifampseen
+    % At the first level, print parens in roman,
+    % otherwise use the default font.
+    \ifnum \parencount=1 \rm \fi
+  \else
+    % The \sf parens (in \boldbrax) actually are a little bolder than
+    % the contained text.  This is especially needed for [ and ] .
+    \sf
+  \fi
+}
+\def\infirstlevel#1{%
+  \ifampseen
+    \ifnum\parencount=1
+      #1%
+    \fi
+  \fi
+}
+\def\bfafterword#1 {#1 \bf}
+
+\def\opnr{%
+  \global\advance\parencount by 1
+  {\parenfont(}%
+  \infirstlevel \bfafterword
+}
+\def\clnr{%
+  {\parenfont)}%
+  \infirstlevel \sl
+  \global\advance\parencount by -1
+}
+
+\newcount\brackcount
+\def\lbrb{%
+  \global\advance\brackcount by 1
+  {\bf[}%
+}
+\def\rbrb{%
+  {\bf]}%
+  \global\advance\brackcount by -1
+}
+
+\def\checkparencounts{%
+  \ifnum\parencount=0 \else \badparencount \fi
+  \ifnum\brackcount=0 \else \badbrackcount \fi
+}
+\def\badparencount{%
+  \errmessage{Unbalanced parentheses in @def}%
+  \global\parencount=0
+}
+\def\badbrackcount{%
+  \errmessage{Unbalanced square braces in @def}%
+  \global\brackcount=0
+}
+
+
+\message{macros,}
+% @macro.
+
+% To do this right we need a feature of e-TeX, \scantokens,
+% which we arrange to emulate with a temporary file in ordinary TeX.
+\ifx\eTeXversion\undefined
+  \newwrite\macscribble
+  \def\scantokens#1{%
+    \toks0={#1}%
+    \immediate\openout\macscribble=\jobname.tmp
+    \immediate\write\macscribble{\the\toks0}%
+    \immediate\closeout\macscribble
+    \input \jobname.tmp
+  }
+\fi
+
+\def\scanmacro#1{%
+  \begingroup
+    \newlinechar`\^^M
+    \let\xeatspaces\eatspaces
+    % Undo catcode changes of \startcontents and \doprintindex
+    % When called from @insertcopying or (short)caption, we need active
+    % backslash to get it printed correctly.  Previously, we had
+    % \catcode`\\=\other instead.  We'll see whether a problem appears
+    % with macro expansion.				--kasal, 19aug04
+    \catcode`\@=0 \catcode`\\=\active \escapechar=`\@
+    % ... and \example
+    \spaceisspace
+    %
+    % Append \endinput to make sure that TeX does not see the ending newline.
+    %
+    % I've verified that it is necessary both for e-TeX and for ordinary TeX
+    %							--kasal, 29nov03
+    \scantokens{#1\endinput}%
+  \endgroup
+}
+
+\def\scanexp#1{%
+  \edef\temp{\noexpand\scanmacro{#1}}%
+  \temp
+}
+
+\newcount\paramno   % Count of parameters
+\newtoks\macname    % Macro name
+\newif\ifrecursive  % Is it recursive?
+
+% List of all defined macros in the form
+%    \definedummyword\macro1\definedummyword\macro2...
+% Currently is also contains all @aliases; the list can be split
+% if there is a need.
+\def\macrolist{}
+
+% Add the macro to \macrolist
+\def\addtomacrolist#1{\expandafter \addtomacrolistxxx \csname#1\endcsname}
+\def\addtomacrolistxxx#1{%
+     \toks0 = \expandafter{\macrolist\definedummyword#1}%
+     \xdef\macrolist{\the\toks0}%
+}
+
+% Utility routines.
+% This does \let #1 = #2, with \csnames; that is,
+%   \let \csname#1\endcsname = \csname#2\endcsname
+% (except of course we have to play expansion games).
+% 
+\def\cslet#1#2{%
+  \expandafter\let
+  \csname#1\expandafter\endcsname
+  \csname#2\endcsname
+}
+
+% Trim leading and trailing spaces off a string.
+% Concepts from aro-bend problem 15 (see CTAN).
+{\catcode`\@=11
+\gdef\eatspaces #1{\expandafter\trim@\expandafter{#1 }}
+\gdef\trim@ #1{\trim@@ @#1 @ #1 @ @@}
+\gdef\trim@@ #1@ #2@ #3@@{\trim@@@\empty #2 @}
+\def\unbrace#1{#1}
+\unbrace{\gdef\trim@@@ #1 } #2@{#1}
+}
+
+% Trim a single trailing ^^M off a string.
+{\catcode`\^^M=\other \catcode`\Q=3%
+\gdef\eatcr #1{\eatcra #1Q^^MQ}%
+\gdef\eatcra#1^^MQ{\eatcrb#1Q}%
+\gdef\eatcrb#1Q#2Q{#1}%
+}
+
+% Macro bodies are absorbed as an argument in a context where
+% all characters are catcode 10, 11 or 12, except \ which is active
+% (as in normal texinfo). It is necessary to change the definition of \.
+
+% It's necessary to have hard CRs when the macro is executed. This is
+% done by  making ^^M (\endlinechar) catcode 12 when reading the macro
+% body, and then making it the \newlinechar in \scanmacro.
+
+\def\scanctxt{%
+  \catcode`\"=\other
+  \catcode`\+=\other
+  \catcode`\<=\other
+  \catcode`\>=\other
+  \catcode`\@=\other
+  \catcode`\^=\other
+  \catcode`\_=\other
+  \catcode`\|=\other
+  \catcode`\~=\other
+}
+
+\def\scanargctxt{%
+  \scanctxt
+  \catcode`\\=\other
+  \catcode`\^^M=\other
+}
+
+\def\macrobodyctxt{%
+  \scanctxt
+  \catcode`\{=\other
+  \catcode`\}=\other
+  \catcode`\^^M=\other
+  \usembodybackslash
+}
+
+\def\macroargctxt{%
+  \scanctxt
+  \catcode`\\=\other
+}
+
+% \mbodybackslash is the definition of \ in @macro bodies.
+% It maps \foo\ => \csname macarg.foo\endcsname => #N
+% where N is the macro parameter number.
+% We define \csname macarg.\endcsname to be \realbackslash, so
+% \\ in macro replacement text gets you a backslash.
+
+{\catcode`@=0 @catcode`@\=@active
+ @gdef at usembodybackslash{@let\=@mbodybackslash}
+ @gdef at mbodybackslash#1\{@csname macarg.#1 at endcsname}
+}
+\expandafter\def\csname macarg.\endcsname{\realbackslash}
+
+\def\macro{\recursivefalse\parsearg\macroxxx}
+\def\rmacro{\recursivetrue\parsearg\macroxxx}
+
+\def\macroxxx#1{%
+  \getargs{#1}%           now \macname is the macname and \argl the arglist
+  \ifx\argl\empty       % no arguments
+     \paramno=0%
+  \else
+     \expandafter\parsemargdef \argl;%
+  \fi
+  \if1\csname ismacro.\the\macname\endcsname
+     \message{Warning: redefining \the\macname}%
+  \else
+     \expandafter\ifx\csname \the\macname\endcsname \relax
+     \else \errmessage{Macro name \the\macname\space already defined}\fi
+     \global\cslet{macsave.\the\macname}{\the\macname}%
+     \global\expandafter\let\csname ismacro.\the\macname\endcsname=1%
+     \addtomacrolist{\the\macname}%
+  \fi
+  \begingroup \macrobodyctxt
+  \ifrecursive \expandafter\parsermacbody
+  \else \expandafter\parsemacbody
+  \fi}
+
+\parseargdef\unmacro{%
+  \if1\csname ismacro.#1\endcsname
+    \global\cslet{#1}{macsave.#1}%
+    \global\expandafter\let \csname ismacro.#1\endcsname=0%
+    % Remove the macro name from \macrolist:
+    \begingroup
+      \expandafter\let\csname#1\endcsname \relax
+      \let\definedummyword\unmacrodo
+      \xdef\macrolist{\macrolist}%
+    \endgroup
+  \else
+    \errmessage{Macro #1 not defined}%
+  \fi
+}
+
+% Called by \do from \dounmacro on each macro.  The idea is to omit any
+% macro definitions that have been changed to \relax.
+%
+\def\unmacrodo#1{%
+  \ifx #1\relax
+    % remove this
+  \else
+    \noexpand\definedummyword \noexpand#1%
+  \fi
+}
+
+% This makes use of the obscure feature that if the last token of a
+% <parameter list> is #, then the preceding argument is delimited by
+% an opening brace, and that opening brace is not consumed.
+\def\getargs#1{\getargsxxx#1{}}
+\def\getargsxxx#1#{\getmacname #1 \relax\getmacargs}
+\def\getmacname #1 #2\relax{\macname={#1}}
+\def\getmacargs#1{\def\argl{#1}}
+
+% Parse the optional {params} list.  Set up \paramno and \paramlist
+% so \defmacro knows what to do.  Define \macarg.blah for each blah
+% in the params list, to be ##N where N is the position in that list.
+% That gets used by \mbodybackslash (above).
+
+% We need to get `macro parameter char #' into several definitions.
+% The technique used is stolen from LaTeX:  let \hash be something
+% unexpandable, insert that wherever you need a #, and then redefine
+% it to # just before using the token list produced.
+%
+% The same technique is used to protect \eatspaces till just before
+% the macro is used.
+
+\def\parsemargdef#1;{\paramno=0\def\paramlist{}%
+        \let\hash\relax\let\xeatspaces\relax\parsemargdefxxx#1,;,}
+\def\parsemargdefxxx#1,{%
+  \if#1;\let\next=\relax
+  \else \let\next=\parsemargdefxxx
+    \advance\paramno by 1%
+    \expandafter\edef\csname macarg.\eatspaces{#1}\endcsname
+        {\xeatspaces{\hash\the\paramno}}%
+    \edef\paramlist{\paramlist\hash\the\paramno,}%
+  \fi\next}
+
+% These two commands read recursive and nonrecursive macro bodies.
+% (They're different since rec and nonrec macros end differently.)
+
+\long\def\parsemacbody#1 at end macro%
+{\xdef\temp{\eatcr{#1}}\endgroup\defmacro}%
+\long\def\parsermacbody#1 at end rmacro%
+{\xdef\temp{\eatcr{#1}}\endgroup\defmacro}%
+
+% This defines the macro itself. There are six cases: recursive and
+% nonrecursive macros of zero, one, and many arguments.
+% Much magic with \expandafter here.
+% \xdef is used so that macro definitions will survive the file
+% they're defined in; @include reads the file inside a group.
+\def\defmacro{%
+  \let\hash=##% convert placeholders to macro parameter chars
+  \ifrecursive
+    \ifcase\paramno
+    % 0
+      \expandafter\xdef\csname\the\macname\endcsname{%
+        \noexpand\scanmacro{\temp}}%
+    \or % 1
+      \expandafter\xdef\csname\the\macname\endcsname{%
+         \bgroup\noexpand\macroargctxt
+         \noexpand\braceorline
+         \expandafter\noexpand\csname\the\macname xxx\endcsname}%
+      \expandafter\xdef\csname\the\macname xxx\endcsname##1{%
+         \egroup\noexpand\scanmacro{\temp}}%
+    \else % many
+      \expandafter\xdef\csname\the\macname\endcsname{%
+         \bgroup\noexpand\macroargctxt
+         \noexpand\csname\the\macname xx\endcsname}%
+      \expandafter\xdef\csname\the\macname xx\endcsname##1{%
+          \expandafter\noexpand\csname\the\macname xxx\endcsname ##1,}%
+      \expandafter\expandafter
+      \expandafter\xdef
+      \expandafter\expandafter
+        \csname\the\macname xxx\endcsname
+          \paramlist{\egroup\noexpand\scanmacro{\temp}}%
+    \fi
+  \else
+    \ifcase\paramno
+    % 0
+      \expandafter\xdef\csname\the\macname\endcsname{%
+        \noexpand\norecurse{\the\macname}%
+        \noexpand\scanmacro{\temp}\egroup}%
+    \or % 1
+      \expandafter\xdef\csname\the\macname\endcsname{%
+         \bgroup\noexpand\macroargctxt
+         \noexpand\braceorline
+         \expandafter\noexpand\csname\the\macname xxx\endcsname}%
+      \expandafter\xdef\csname\the\macname xxx\endcsname##1{%
+        \egroup
+        \noexpand\norecurse{\the\macname}%
+        \noexpand\scanmacro{\temp}\egroup}%
+    \else % many
+      \expandafter\xdef\csname\the\macname\endcsname{%
+         \bgroup\noexpand\macroargctxt
+         \expandafter\noexpand\csname\the\macname xx\endcsname}%
+      \expandafter\xdef\csname\the\macname xx\endcsname##1{%
+          \expandafter\noexpand\csname\the\macname xxx\endcsname ##1,}%
+      \expandafter\expandafter
+      \expandafter\xdef
+      \expandafter\expandafter
+      \csname\the\macname xxx\endcsname
+      \paramlist{%
+          \egroup
+          \noexpand\norecurse{\the\macname}%
+          \noexpand\scanmacro{\temp}\egroup}%
+    \fi
+  \fi}
+
+\def\norecurse#1{\bgroup\cslet{#1}{macsave.#1}}
+
+% \braceorline decides whether the next nonwhitespace character is a
+% {.  If so it reads up to the closing }, if not, it reads the whole
+% line.  Whatever was read is then fed to the next control sequence
+% as an argument (by \parsebrace or \parsearg)
+\def\braceorline#1{\let\next=#1\futurelet\nchar\braceorlinexxx}
+\def\braceorlinexxx{%
+  \ifx\nchar\bgroup\else
+    \expandafter\parsearg
+  \fi \next}
+
+
+% @alias.
+% We need some trickery to remove the optional spaces around the equal
+% sign.  Just make them active and then expand them all to nothing.
+\def\alias{\parseargusing\obeyspaces\aliasxxx}
+\def\aliasxxx #1{\aliasyyy#1\relax}
+\def\aliasyyy #1=#2\relax{%
+  {%
+    \expandafter\let\obeyedspace=\empty
+    \addtomacrolist{#1}%
+    \xdef\next{\global\let\makecsname{#1}=\makecsname{#2}}%
+  }%
+  \next
+}
+
+
+\message{cross references,}
+
+\newwrite\auxfile
+
+\newif\ifhavexrefs    % True if xref values are known.
+\newif\ifwarnedxrefs  % True if we warned once that they aren't known.
+
+% @inforef is relatively simple.
+\def\inforef #1{\inforefzzz #1,,,,**}
+\def\inforefzzz #1,#2,#3,#4**{\putwordSee{} \putwordInfo{} \putwordfile{} \file{\ignorespaces #3{}},
+  node \samp{\ignorespaces#1{}}}
+
+% @node's only job in TeX is to define \lastnode, which is used in
+% cross-references.  The @node line might or might not have commas, and
+% might or might not have spaces before the first comma, like:
+% @node foo , bar , ...
+% We don't want such trailing spaces in the node name.
+%
+\parseargdef\node{\checkenv{}\donode #1 ,\finishnodeparse}
+%
+% also remove a trailing comma, in case of something like this:
+% @node Help-Cross,  ,  , Cross-refs
+\def\donode#1 ,#2\finishnodeparse{\dodonode #1,\finishnodeparse}
+\def\dodonode#1,#2\finishnodeparse{\gdef\lastnode{#1}}
+
+\let\nwnode=\node
+\let\lastnode=\empty
+
+% Write a cross-reference definition for the current node.  #1 is the
+% type (Ynumbered, Yappendix, Ynothing).
+%
+\def\donoderef#1{%
+  \ifx\lastnode\empty\else
+    \setref{\lastnode}{#1}%
+    \global\let\lastnode=\empty
+  \fi
+}
+
+% @anchor{NAME} -- define xref target at arbitrary point.
+%
+\newcount\savesfregister
+%
+\def\savesf{\relax \ifhmode \savesfregister=\spacefactor \fi}
+\def\restoresf{\relax \ifhmode \spacefactor=\savesfregister \fi}
+\def\anchor#1{\savesf \setref{#1}{Ynothing}\restoresf \ignorespaces}
+
+% \setref{NAME}{SNT} defines a cross-reference point NAME (a node or an
+% anchor), which consists of three parts:
+% 1) NAME-title - the current sectioning name taken from \thissection,
+%                 or the anchor name.
+% 2) NAME-snt   - section number and type, passed as the SNT arg, or
+%                 empty for anchors.
+% 3) NAME-pg    - the page number.
+%
+% This is called from \donoderef, \anchor, and \dofloat.  In the case of
+% floats, there is an additional part, which is not written here:
+% 4) NAME-lof   - the text as it should appear in a @listoffloats.
+%
+\def\setref#1#2{%
+  \pdfmkdest{#1}%
+  \iflinks
+    {%
+      \atdummies  % preserve commands, but don't expand them
+      \edef\writexrdef##1##2{%
+	\write\auxfile{@xrdef{#1-% #1 of \setref, expanded by the \edef
+	  ##1}{##2}}% these are parameters of \writexrdef
+      }%
+      \toks0 = \expandafter{\thissection}%
+      \immediate \writexrdef{title}{\the\toks0 }%
+      \immediate \writexrdef{snt}{\csname #2\endcsname}% \Ynumbered etc.
+      \writexrdef{pg}{\folio}% will be written later, during \shipout
+    }%
+  \fi
+}
+
+% @xref, @pxref, and @ref generate cross-references.  For \xrefX, #1 is
+% the node name, #2 the name of the Info cross-reference, #3 the printed
+% node name, #4 the name of the Info file, #5 the name of the printed
+% manual.  All but the node name can be omitted.
+%
+\def\pxref#1{\putwordsee{} \xrefX[#1,,,,,,,]}
+\def\xref#1{\putwordSee{} \xrefX[#1,,,,,,,]}
+\def\ref#1{\xrefX[#1,,,,,,,]}
+\def\xrefX[#1,#2,#3,#4,#5,#6]{\begingroup
+  \unsepspaces
+  \def\printedmanual{\ignorespaces #5}%
+  \def\printedrefname{\ignorespaces #3}%
+  \setbox1=\hbox{\printedmanual\unskip}%
+  \setbox0=\hbox{\printedrefname\unskip}%
+  \ifdim \wd0 = 0pt
+    % No printed node name was explicitly given.
+    \expandafter\ifx\csname SETxref-automatic-section-title\endcsname\relax
+      % Use the node name inside the square brackets.
+      \def\printedrefname{\ignorespaces #1}%
+    \else
+      % Use the actual chapter/section title appear inside
+      % the square brackets.  Use the real section title if we have it.
+      \ifdim \wd1 > 0pt
+        % It is in another manual, so we don't have it.
+        \def\printedrefname{\ignorespaces #1}%
+      \else
+        \ifhavexrefs
+          % We know the real title if we have the xref values.
+          \def\printedrefname{\refx{#1-title}{}}%
+        \else
+          % Otherwise just copy the Info node name.
+          \def\printedrefname{\ignorespaces #1}%
+        \fi%
+      \fi
+    \fi
+  \fi
+  %
+  % Make link in pdf output.
+  \ifpdf
+    \leavevmode
+    \getfilename{#4}%
+    {\turnoffactive
+     % See comments at \activebackslashdouble.
+     {\activebackslashdouble \xdef\pdfxrefdest{#1}%
+      \backslashparens\pdfxrefdest}%
+     %
+     \ifnum\filenamelength>0
+       \startlink attr{/Border [0 0 0]}%
+         goto file{\the\filename.pdf} name{\pdfxrefdest}%
+     \else
+       \startlink attr{/Border [0 0 0]}%
+         goto name{\pdfmkpgn{\pdfxrefdest}}%
+     \fi
+    }%
+    \linkcolor
+  \fi
+  %
+  % Float references are printed completely differently: "Figure 1.2"
+  % instead of "[somenode], p.3".  We distinguish them by the
+  % LABEL-title being set to a magic string.
+  {%
+    % Have to otherify everything special to allow the \csname to
+    % include an _ in the xref name, etc.
+    \indexnofonts
+    \turnoffactive
+    \expandafter\global\expandafter\let\expandafter\Xthisreftitle
+      \csname XR#1-title\endcsname
+  }%
+  \iffloat\Xthisreftitle
+    % If the user specified the print name (third arg) to the ref,
+    % print it instead of our usual "Figure 1.2".
+    \ifdim\wd0 = 0pt
+      \refx{#1-snt}%
+    \else
+      \printedrefname
+    \fi
+    %
+    % if the user also gave the printed manual name (fifth arg), append
+    % "in MANUALNAME".
+    \ifdim \wd1 > 0pt
+      \space \putwordin{} \cite{\printedmanual}%
+    \fi
+  \else
+    % node/anchor (non-float) references.
+    %
+    % If we use \unhbox0 and \unhbox1 to print the node names, TeX does not
+    % insert empty discretionaries after hyphens, which means that it will
+    % not find a line break at a hyphen in a node names.  Since some manuals
+    % are best written with fairly long node names, containing hyphens, this
+    % is a loss.  Therefore, we give the text of the node name again, so it
+    % is as if TeX is seeing it for the first time.
+    \ifdim \wd1 > 0pt
+      \putwordsection{} ``\printedrefname'' \putwordin{} \cite{\printedmanual}%
+    \else
+      % _ (for example) has to be the character _ for the purposes of the
+      % control sequence corresponding to the node, but it has to expand
+      % into the usual \leavevmode...\vrule stuff for purposes of
+      % printing. So we \turnoffactive for the \refx-snt, back on for the
+      % printing, back off for the \refx-pg.
+      {\turnoffactive
+       % Only output a following space if the -snt ref is nonempty; for
+       % @unnumbered and @anchor, it won't be.
+       \setbox2 = \hbox{\ignorespaces \refx{#1-snt}{}}%
+       \ifdim \wd2 > 0pt \refx{#1-snt}\space\fi
+      }%
+      % output the `[mynode]' via a macro so it can be overridden.
+      \xrefprintnodename\printedrefname
+      %
+      % But we always want a comma and a space:
+      ,\space
+      %
+      % output the `page 3'.
+      \turnoffactive \putwordpage\tie\refx{#1-pg}{}%
+    \fi
+  \fi
+  \endlink
+\endgroup}
+
+% This macro is called from \xrefX for the `[nodename]' part of xref
+% output.  It's a separate macro only so it can be changed more easily,
+% since square brackets don't work well in some documents.  Particularly
+% one that Bob is working on :).
+%
+\def\xrefprintnodename#1{[#1]}
+
+% Things referred to by \setref.
+%
+\def\Ynothing{}
+\def\Yomitfromtoc{}
+\def\Ynumbered{%
+  \ifnum\secno=0
+    \putwordChapter at tie \the\chapno
+  \else \ifnum\subsecno=0
+    \putwordSection at tie \the\chapno.\the\secno
+  \else \ifnum\subsubsecno=0
+    \putwordSection at tie \the\chapno.\the\secno.\the\subsecno
+  \else
+    \putwordSection at tie \the\chapno.\the\secno.\the\subsecno.\the\subsubsecno
+  \fi\fi\fi
+}
+\def\Yappendix{%
+  \ifnum\secno=0
+     \putwordAppendix at tie @char\the\appendixno{}%
+  \else \ifnum\subsecno=0
+     \putwordSection at tie @char\the\appendixno.\the\secno
+  \else \ifnum\subsubsecno=0
+    \putwordSection at tie @char\the\appendixno.\the\secno.\the\subsecno
+  \else
+    \putwordSection at tie
+      @char\the\appendixno.\the\secno.\the\subsecno.\the\subsubsecno
+  \fi\fi\fi
+}
+
+% Define \refx{NAME}{SUFFIX} to reference a cross-reference string named NAME.
+% If its value is nonempty, SUFFIX is output afterward.
+%
+\def\refx#1#2{%
+  {%
+    \indexnofonts
+    \otherbackslash
+    \expandafter\global\expandafter\let\expandafter\thisrefX
+      \csname XR#1\endcsname
+  }%
+  \ifx\thisrefX\relax
+    % If not defined, say something at least.
+    \angleleft un\-de\-fined\angleright
+    \iflinks
+      \ifhavexrefs
+        \message{\linenumber Undefined cross reference `#1'.}%
+      \else
+        \ifwarnedxrefs\else
+          \global\warnedxrefstrue
+          \message{Cross reference values unknown; you must run TeX again.}%
+        \fi
+      \fi
+    \fi
+  \else
+    % It's defined, so just use it.
+    \thisrefX
+  \fi
+  #2% Output the suffix in any case.
+}
+
+% This is the macro invoked by entries in the aux file.  Usually it's
+% just a \def (we prepend XR to the control sequence name to avoid
+% collisions).  But if this is a float type, we have more work to do.
+%
+\def\xrdef#1#2{%
+  \expandafter\gdef\csname XR#1\endcsname{#2}% remember this xref value.
+  %
+  % Was that xref control sequence that we just defined for a float?
+  \expandafter\iffloat\csname XR#1\endcsname
+    % it was a float, and we have the (safe) float type in \iffloattype.
+    \expandafter\let\expandafter\floatlist
+      \csname floatlist\iffloattype\endcsname
+    %
+    % Is this the first time we've seen this float type?
+    \expandafter\ifx\floatlist\relax
+      \toks0 = {\do}% yes, so just \do
+    \else
+      % had it before, so preserve previous elements in list.
+      \toks0 = \expandafter{\floatlist\do}%
+    \fi
+    %
+    % Remember this xref in the control sequence \floatlistFLOATTYPE,
+    % for later use in \listoffloats.
+    \expandafter\xdef\csname floatlist\iffloattype\endcsname{\the\toks0{#1}}%
+  \fi
+}
+
+% Read the last existing aux file, if any.  No error if none exists.
+%
+\def\tryauxfile{%
+  \openin 1 \jobname.aux
+  \ifeof 1 \else
+    \readdatafile{aux}%
+    \global\havexrefstrue
+  \fi
+  \closein 1
+}
+
+\def\setupdatafile{%
+  \catcode`\^^@=\other
+  \catcode`\^^A=\other
+  \catcode`\^^B=\other
+  \catcode`\^^C=\other
+  \catcode`\^^D=\other
+  \catcode`\^^E=\other
+  \catcode`\^^F=\other
+  \catcode`\^^G=\other
+  \catcode`\^^H=\other
+  \catcode`\^^K=\other
+  \catcode`\^^L=\other
+  \catcode`\^^N=\other
+  \catcode`\^^P=\other
+  \catcode`\^^Q=\other
+  \catcode`\^^R=\other
+  \catcode`\^^S=\other
+  \catcode`\^^T=\other
+  \catcode`\^^U=\other
+  \catcode`\^^V=\other
+  \catcode`\^^W=\other
+  \catcode`\^^X=\other
+  \catcode`\^^Z=\other
+  \catcode`\^^[=\other
+  \catcode`\^^\=\other
+  \catcode`\^^]=\other
+  \catcode`\^^^=\other
+  \catcode`\^^_=\other
+  % It was suggested to set the catcode of ^ to 7, which would allow ^^e4 etc.
+  % in xref tags, i.e., node names.  But since ^^e4 notation isn't
+  % supported in the main text, it doesn't seem desirable.  Furthermore,
+  % that is not enough: for node names that actually contain a ^
+  % character, we would end up writing a line like this: 'xrdef {'hat
+  % b-title}{'hat b} and \xrdef does a \csname...\endcsname on the first
+  % argument, and \hat is not an expandable control sequence.  It could
+  % all be worked out, but why?  Either we support ^^ or we don't.
+  %
+  % The other change necessary for this was to define \auxhat:
+  % \def\auxhat{\def^{'hat }}% extra space so ok if followed by letter
+  % and then to call \auxhat in \setq.
+  %
+  \catcode`\^=\other
+  %
+  % Special characters.  Should be turned off anyway, but...
+  \catcode`\~=\other
+  \catcode`\[=\other
+  \catcode`\]=\other
+  \catcode`\"=\other
+  \catcode`\_=\other
+  \catcode`\|=\other
+  \catcode`\<=\other
+  \catcode`\>=\other
+  \catcode`\$=\other
+  \catcode`\#=\other
+  \catcode`\&=\other
+  \catcode`\%=\other
+  \catcode`+=\other % avoid \+ for paranoia even though we've turned it off
+  %
+  % This is to support \ in node names and titles, since the \
+  % characters end up in a \csname.  It's easier than
+  % leaving it active and making its active definition an actual \
+  % character.  What I don't understand is why it works in the *value*
+  % of the xrdef.  Seems like it should be a catcode12 \, and that
+  % should not typeset properly.  But it works, so I'm moving on for
+  % now.  --karl, 15jan04.
+  \catcode`\\=\other
+  %
+  % Make the characters 128-255 be printing characters.
+  {%
+    \count1=128
+    \def\loop{%
+      \catcode\count1=\other
+      \advance\count1 by 1
+      \ifnum \count1<256 \loop \fi
+    }%
+  }%
+  %
+  % @ is our escape character in .aux files, and we need braces.
+  \catcode`\{=1
+  \catcode`\}=2
+  \catcode`\@=0
+}
+
+\def\readdatafile#1{%
+\begingroup
+  \setupdatafile
+  \input\jobname.#1
+\endgroup}
+
+\message{insertions,}
+% including footnotes.
+
+\newcount \footnoteno
+
+% The trailing space in the following definition for supereject is
+% vital for proper filling; pages come out unaligned when you do a
+% pagealignmacro call if that space before the closing brace is
+% removed. (Generally, numeric constants should always be followed by a
+% space to prevent strange expansion errors.)
+\def\supereject{\par\penalty -20000\footnoteno =0 }
+
+% @footnotestyle is meaningful for info output only.
+\let\footnotestyle=\comment
+
+{\catcode `\@=11
+%
+% Auto-number footnotes.  Otherwise like plain.
+\gdef\footnote{%
+  \let\indent=\ptexindent
+  \let\noindent=\ptexnoindent
+  \global\advance\footnoteno by \@ne
+  \edef\thisfootno{$^{\the\footnoteno}$}%
+  %
+  % In case the footnote comes at the end of a sentence, preserve the
+  % extra spacing after we do the footnote number.
+  \let\@sf\empty
+  \ifhmode\edef\@sf{\spacefactor\the\spacefactor}\ptexslash\fi
+  %
+  % Remove inadvertent blank space before typesetting the footnote number.
+  \unskip
+  \thisfootno\@sf
+  \dofootnote
+}%
+
+% Don't bother with the trickery in plain.tex to not require the
+% footnote text as a parameter.  Our footnotes don't need to be so general.
+%
+% Oh yes, they do; otherwise, @ifset (and anything else that uses
+% \parseargline) fails inside footnotes because the tokens are fixed when
+% the footnote is read.  --karl, 16nov96.
+%
+\gdef\dofootnote{%
+  \insert\footins\bgroup
+  % We want to typeset this text as a normal paragraph, even if the
+  % footnote reference occurs in (for example) a display environment.
+  % So reset some parameters.
+  \hsize=\pagewidth
+  \interlinepenalty\interfootnotelinepenalty
+  \splittopskip\ht\strutbox % top baseline for broken footnotes
+  \splitmaxdepth\dp\strutbox
+  \floatingpenalty\@MM
+  \leftskip\z at skip
+  \rightskip\z at skip
+  \spaceskip\z at skip
+  \xspaceskip\z at skip
+  \parindent\defaultparindent
+  %
+  \smallfonts \rm
+  %
+  % Because we use hanging indentation in footnotes, a @noindent appears
+  % to exdent this text, so make it be a no-op.  makeinfo does not use
+  % hanging indentation so @noindent can still be needed within footnote
+  % text after an @example or the like (not that this is good style).
+  \let\noindent = \relax
+  %
+  % Hang the footnote text off the number.  Use \everypar in case the
+  % footnote extends for more than one paragraph.
+  \everypar = {\hang}%
+  \textindent{\thisfootno}%
+  %
+  % Don't crash into the line above the footnote text.  Since this
+  % expands into a box, it must come within the paragraph, lest it
+  % provide a place where TeX can split the footnote.
+  \footstrut
+  \futurelet\next\fo at t
+}
+}%end \catcode `\@=11
+
+% In case a @footnote appears in a vbox, save the footnote text and create
+% the real \insert just after the vbox finished.  Otherwise, the insertion
+% would be lost.
+% Similarily, if a @footnote appears inside an alignment, save the footnote
+% text to a box and make the \insert when a row of the table is finished.
+% And the same can be done for other insert classes.  --kasal, 16nov03.
+
+% Replace the \insert primitive by a cheating macro.
+% Deeper inside, just make sure that the saved insertions are not spilled
+% out prematurely.
+%
+\def\startsavinginserts{%
+  \ifx \insert\ptexinsert
+    \let\insert\saveinsert
+  \else
+    \let\checkinserts\relax
+  \fi
+}
+
+% This \insert replacement works for both \insert\footins{foo} and
+% \insert\footins\bgroup foo\egroup, but it doesn't work for \insert27{foo}.
+%
+\def\saveinsert#1{%
+  \edef\next{\noexpand\savetobox \makeSAVEname#1}%
+  \afterassignment\next
+  % swallow the left brace
+  \let\temp =
+}
+\def\makeSAVEname#1{\makecsname{SAVE\expandafter\gobble\string#1}}
+\def\savetobox#1{\global\setbox#1 = \vbox\bgroup \unvbox#1}
+
+\def\checksaveins#1{\ifvoid#1\else \placesaveins#1\fi}
+
+\def\placesaveins#1{%
+  \ptexinsert \csname\expandafter\gobblesave\string#1\endcsname
+    {\box#1}%
+}
+
+% eat @SAVE -- beware, all of them have catcode \other:
+{
+  \def\dospecials{\do S\do A\do V\do E} \uncatcodespecials  %  ;-)
+  \gdef\gobblesave @SAVE{}
+}
+
+% initialization:
+\def\newsaveins #1{%
+  \edef\next{\noexpand\newsaveinsX \makeSAVEname#1}%
+  \next
+}
+\def\newsaveinsX #1{%
+  \csname newbox\endcsname #1%
+  \expandafter\def\expandafter\checkinserts\expandafter{\checkinserts
+    \checksaveins #1}%
+}
+
+% initialize:
+\let\checkinserts\empty
+\newsaveins\footins
+\newsaveins\margin
+
+
+% @image.  We use the macros from epsf.tex to support this.
+% If epsf.tex is not installed and @image is used, we complain.
+%
+% Check for and read epsf.tex up front.  If we read it only at @image
+% time, we might be inside a group, and then its definitions would get
+% undone and the next image would fail.
+\openin 1 = epsf.tex
+\ifeof 1 \else
+  % Do not bother showing banner with epsf.tex v2.7k (available in
+  % doc/epsf.tex and on ctan).
+  \def\epsfannounce{\toks0 = }%
+  \input epsf.tex
+\fi
+\closein 1
+%
+% We will only complain once about lack of epsf.tex.
+\newif\ifwarnednoepsf
+\newhelp\noepsfhelp{epsf.tex must be installed for images to
+  work.  It is also included in the Texinfo distribution, or you can get
+  it from ftp://tug.org/tex/epsf.tex.}
+%
+\def\image#1{%
+  \ifx\epsfbox\undefined
+    \ifwarnednoepsf \else
+      \errhelp = \noepsfhelp
+      \errmessage{epsf.tex not found, images will be ignored}%
+      \global\warnednoepsftrue
+    \fi
+  \else
+    \imagexxx #1,,,,,\finish
+  \fi
+}
+%
+% Arguments to @image:
+% #1 is (mandatory) image filename; we tack on .eps extension.
+% #2 is (optional) width, #3 is (optional) height.
+% #4 is (ignored optional) html alt text.
+% #5 is (ignored optional) extension.
+% #6 is just the usual extra ignored arg for parsing this stuff.
+\newif\ifimagevmode
+\def\imagexxx#1,#2,#3,#4,#5,#6\finish{\begingroup
+  \catcode`\^^M = 5     % in case we're inside an example
+  \normalturnoffactive  % allow _ et al. in names
+  % If the image is by itself, center it.
+  \ifvmode
+    \imagevmodetrue
+    \nobreak\bigskip
+    % Usually we'll have text after the image which will insert
+    % \parskip glue, so insert it here too to equalize the space
+    % above and below.
+    \nobreak\vskip\parskip
+    \nobreak
+    \line\bgroup\hss
+  \fi
+  %
+  % Output the image.
+  \ifpdf
+    \dopdfimage{#1}{#2}{#3}%
+  \else
+    % \epsfbox itself resets \epsf?size at each figure.
+    \setbox0 = \hbox{\ignorespaces #2}\ifdim\wd0 > 0pt \epsfxsize=#2\relax \fi
+    \setbox0 = \hbox{\ignorespaces #3}\ifdim\wd0 > 0pt \epsfysize=#3\relax \fi
+    \epsfbox{#1.eps}%
+  \fi
+  %
+  \ifimagevmode \hss \egroup \bigbreak \fi  % space after the image
+\endgroup}
+
+
+% @float FLOATTYPE,LABEL,LOC ... @end float for displayed figures, tables,
+% etc.  We don't actually implement floating yet, we always include the
+% float "here".  But it seemed the best name for the future.
+%
+\envparseargdef\float{\eatcommaspace\eatcommaspace\dofloat#1, , ,\finish}
+
+% There may be a space before second and/or third parameter; delete it.
+\def\eatcommaspace#1, {#1,}
+
+% #1 is the optional FLOATTYPE, the text label for this float, typically
+% "Figure", "Table", "Example", etc.  Can't contain commas.  If omitted,
+% this float will not be numbered and cannot be referred to.
+%
+% #2 is the optional xref label.  Also must be present for the float to
+% be referable.
+%
+% #3 is the optional positioning argument; for now, it is ignored.  It
+% will somehow specify the positions allowed to float to (here, top, bottom).
+%
+% We keep a separate counter for each FLOATTYPE, which we reset at each
+% chapter-level command.
+\let\resetallfloatnos=\empty
+%
+\def\dofloat#1,#2,#3,#4\finish{%
+  \let\thiscaption=\empty
+  \let\thisshortcaption=\empty
+  %
+  % don't lose footnotes inside @float.
+  %
+  % BEWARE: when the floats start float, we have to issue warning whenever an
+  % insert appears inside a float which could possibly float. --kasal, 26may04
+  %
+  \startsavinginserts
+  %
+  % We can't be used inside a paragraph.
+  \par
+  %
+  \vtop\bgroup
+    \def\floattype{#1}%
+    \def\floatlabel{#2}%
+    \def\floatloc{#3}% we do nothing with this yet.
+    %
+    \ifx\floattype\empty
+      \let\safefloattype=\empty
+    \else
+      {%
+        % the floattype might have accents or other special characters,
+        % but we need to use it in a control sequence name.
+        \indexnofonts
+        \turnoffactive
+        \xdef\safefloattype{\floattype}%
+      }%
+    \fi
+    %
+    % If label is given but no type, we handle that as the empty type.
+    \ifx\floatlabel\empty \else
+      % We want each FLOATTYPE to be numbered separately (Figure 1,
+      % Table 1, Figure 2, ...).  (And if no label, no number.)
+      %
+      \expandafter\getfloatno\csname\safefloattype floatno\endcsname
+      \global\advance\floatno by 1
+      %
+      {%
+        % This magic value for \thissection is output by \setref as the
+        % XREFLABEL-title value.  \xrefX uses it to distinguish float
+        % labels (which have a completely different output format) from
+        % node and anchor labels.  And \xrdef uses it to construct the
+        % lists of floats.
+        %
+        \edef\thissection{\floatmagic=\safefloattype}%
+        \setref{\floatlabel}{Yfloat}%
+      }%
+    \fi
+    %
+    % start with \parskip glue, I guess.
+    \vskip\parskip
+    %
+    % Don't suppress indentation if a float happens to start a section.
+    \restorefirstparagraphindent
+}
+
+% we have these possibilities:
+% @float Foo,lbl & @caption{Cap}: Foo 1.1: Cap
+% @float Foo,lbl & no caption:    Foo 1.1
+% @float Foo & @caption{Cap}:     Foo: Cap
+% @float Foo & no caption:        Foo
+% @float ,lbl & Caption{Cap}:     1.1: Cap
+% @float ,lbl & no caption:       1.1
+% @float & @caption{Cap}:         Cap
+% @float & no caption:
+%
+\def\Efloat{%
+    \let\floatident = \empty
+    %
+    % In all cases, if we have a float type, it comes first.
+    \ifx\floattype\empty \else \def\floatident{\floattype}\fi
+    %
+    % If we have an xref label, the number comes next.
+    \ifx\floatlabel\empty \else
+      \ifx\floattype\empty \else % if also had float type, need tie first.
+        \appendtomacro\floatident{\tie}%
+      \fi
+      % the number.
+      \appendtomacro\floatident{\chaplevelprefix\the\floatno}%
+    \fi
+    %
+    % Start the printed caption with what we've constructed in
+    % \floatident, but keep it separate; we need \floatident again.
+    \let\captionline = \floatident
+    %
+    \ifx\thiscaption\empty \else
+      \ifx\floatident\empty \else
+	\appendtomacro\captionline{: }% had ident, so need a colon between
+      \fi
+      %
+      % caption text.
+      \appendtomacro\captionline{\scanexp\thiscaption}%
+    \fi
+    %
+    % If we have anything to print, print it, with space before.
+    % Eventually this needs to become an \insert.
+    \ifx\captionline\empty \else
+      \vskip.5\parskip
+      \captionline
+      %
+      % Space below caption.
+      \vskip\parskip
+    \fi
+    %
+    % If have an xref label, write the list of floats info.  Do this
+    % after the caption, to avoid chance of it being a breakpoint.
+    \ifx\floatlabel\empty \else
+      % Write the text that goes in the lof to the aux file as
+      % \floatlabel-lof.  Besides \floatident, we include the short
+      % caption if specified, else the full caption if specified, else nothing.
+      {%
+        \atdummies
+        % since we read the caption text in the macro world, where ^^M
+        % is turned into a normal character, we have to scan it back, so
+        % we don't write the literal three characters "^^M" into the aux file.
+	\scanexp{%
+	  \xdef\noexpand\gtemp{%
+	    \ifx\thisshortcaption\empty
+	      \thiscaption
+	    \else
+	      \thisshortcaption
+	    \fi
+	  }%
+	}%
+        \immediate\write\auxfile{@xrdef{\floatlabel-lof}{\floatident
+	  \ifx\gtemp\empty \else : \gtemp \fi}}%
+      }%
+    \fi
+  \egroup  % end of \vtop
+  %
+  % place the captured inserts
+  %
+  % BEWARE: when the floats start float, we have to issue warning whenever an
+  % insert appears inside a float which could possibly float. --kasal, 26may04
+  %
+  \checkinserts
+}
+
+% Append the tokens #2 to the definition of macro #1, not expanding either.
+%
+\def\appendtomacro#1#2{%
+  \expandafter\def\expandafter#1\expandafter{#1#2}%
+}
+
+% @caption, @shortcaption
+%
+\def\caption{\docaption\thiscaption}
+\def\shortcaption{\docaption\thisshortcaption}
+\def\docaption{\checkenv\float \bgroup\scanargctxt\defcaption}
+\def\defcaption#1#2{\egroup \def#1{#2}}
+
+% The parameter is the control sequence identifying the counter we are
+% going to use.  Create it if it doesn't exist and assign it to \floatno.
+\def\getfloatno#1{%
+  \ifx#1\relax
+      % Haven't seen this figure type before.
+      \csname newcount\endcsname #1%
+      %
+      % Remember to reset this floatno at the next chap.
+      \expandafter\gdef\expandafter\resetallfloatnos
+        \expandafter{\resetallfloatnos #1=0 }%
+  \fi
+  \let\floatno#1%
+}
+
+% \setref calls this to get the XREFLABEL-snt value.  We want an @xref
+% to the FLOATLABEL to expand to "Figure 3.1".  We call \setref when we
+% first read the @float command.
+%
+\def\Yfloat{\floattype at tie \chaplevelprefix\the\floatno}%
+
+% Magic string used for the XREFLABEL-title value, so \xrefX can
+% distinguish floats from other xref types.
+\def\floatmagic{!!float!!}
+
+% #1 is the control sequence we are passed; we expand into a conditional
+% which is true if #1 represents a float ref.  That is, the magic
+% \thissection value which we \setref above.
+%
+\def\iffloat#1{\expandafter\doiffloat#1==\finish}
+%
+% #1 is (maybe) the \floatmagic string.  If so, #2 will be the
+% (safe) float type for this float.  We set \iffloattype to #2.
+%
+\def\doiffloat#1=#2=#3\finish{%
+  \def\temp{#1}%
+  \def\iffloattype{#2}%
+  \ifx\temp\floatmagic
+}
+
+% @listoffloats FLOATTYPE - print a list of floats like a table of contents.
+%
+\parseargdef\listoffloats{%
+  \def\floattype{#1}% floattype
+  {%
+    % the floattype might have accents or other special characters,
+    % but we need to use it in a control sequence name.
+    \indexnofonts
+    \turnoffactive
+    \xdef\safefloattype{\floattype}%
+  }%
+  %
+  % \xrdef saves the floats as a \do-list in \floatlistSAFEFLOATTYPE.
+  \expandafter\ifx\csname floatlist\safefloattype\endcsname \relax
+    \ifhavexrefs
+      % if the user said @listoffloats foo but never @float foo.
+      \message{\linenumber No `\safefloattype' floats to list.}%
+    \fi
+  \else
+    \begingroup
+      \leftskip=\tocindent  % indent these entries like a toc
+      \let\do=\listoffloatsdo
+      \csname floatlist\safefloattype\endcsname
+    \endgroup
+  \fi
+}
+
+% This is called on each entry in a list of floats.  We're passed the
+% xref label, in the form LABEL-title, which is how we save it in the
+% aux file.  We strip off the -title and look up \XRLABEL-lof, which
+% has the text we're supposed to typeset here.
+%
+% Figures without xref labels will not be included in the list (since
+% they won't appear in the aux file).
+%
+\def\listoffloatsdo#1{\listoffloatsdoentry#1\finish}
+\def\listoffloatsdoentry#1-title\finish{{%
+  % Can't fully expand XR#1-lof because it can contain anything.  Just
+  % pass the control sequence.  On the other hand, XR#1-pg is just the
+  % page number, and we want to fully expand that so we can get a link
+  % in pdf output.
+  \toksA = \expandafter{\csname XR#1-lof\endcsname}%
+  %
+  % use the same \entry macro we use to generate the TOC and index.
+  \edef\writeentry{\noexpand\entry{\the\toksA}{\csname XR#1-pg\endcsname}}%
+  \writeentry
+}}
+
+\message{localization,}
+% and i18n.
+
+% @documentlanguage is usually given very early, just after
+% @setfilename.  If done too late, it may not override everything
+% properly.  Single argument is the language abbreviation.
+% It would be nice if we could set up a hyphenation file here.
+%
+\parseargdef\documentlanguage{%
+  \tex % read txi-??.tex file in plain TeX.
+    % Read the file if it exists.
+    \openin 1 txi-#1.tex
+    \ifeof 1
+      \errhelp = \nolanghelp
+      \errmessage{Cannot read language file txi-#1.tex}%
+    \else
+      \input txi-#1.tex
+    \fi
+    \closein 1
+  \endgroup
+}
+\newhelp\nolanghelp{The given language definition file cannot be found or
+is empty.  Maybe you need to install it?  In the current directory
+should work if nowhere else does.}
+
+
+% @documentencoding should change something in TeX eventually, most
+% likely, but for now just recognize it.
+\let\documentencoding = \comment
+
+
+% Page size parameters.
+%
+\newdimen\defaultparindent \defaultparindent = 15pt
+
+\chapheadingskip = 15pt plus 4pt minus 2pt
+\secheadingskip = 12pt plus 3pt minus 2pt
+\subsecheadingskip = 9pt plus 2pt minus 2pt
+
+% Prevent underfull vbox error messages.
+\vbadness = 10000
+
+% Don't be so finicky about underfull hboxes, either.
+\hbadness = 2000
+
+% Following George Bush, just get rid of widows and orphans.
+\widowpenalty=10000
+\clubpenalty=10000
+
+% Use TeX 3.0's \emergencystretch to help line breaking, but if we're
+% using an old version of TeX, don't do anything.  We want the amount of
+% stretch added to depend on the line length, hence the dependence on
+% \hsize.  We call this whenever the paper size is set.
+%
+\def\setemergencystretch{%
+  \ifx\emergencystretch\thisisundefined
+    % Allow us to assign to \emergencystretch anyway.
+    \def\emergencystretch{\dimen0}%
+  \else
+    \emergencystretch = .15\hsize
+  \fi
+}
+
+% Parameters in order: 1) textheight; 2) textwidth;
+% 3) voffset; 4) hoffset; 5) binding offset; 6) topskip;
+% 7) physical page height; 8) physical page width.
+%
+% We also call \setleading{\textleading}, so the caller should define
+% \textleading.  The caller should also set \parskip.
+%
+\def\internalpagesizes#1#2#3#4#5#6#7#8{%
+  \voffset = #3\relax
+  \topskip = #6\relax
+  \splittopskip = \topskip
+  %
+  \vsize = #1\relax
+  \advance\vsize by \topskip
+  \outervsize = \vsize
+  \advance\outervsize by 2\topandbottommargin
+  \pageheight = \vsize
+  %
+  \hsize = #2\relax
+  \outerhsize = \hsize
+  \advance\outerhsize by 0.5in
+  \pagewidth = \hsize
+  %
+  \normaloffset = #4\relax
+  \bindingoffset = #5\relax
+  %
+  \ifpdf
+    \pdfpageheight #7\relax
+    \pdfpagewidth #8\relax
+  \fi
+  %
+  \setleading{\textleading}
+  %
+  \parindent = \defaultparindent
+  \setemergencystretch
+}
+
+% @letterpaper (the default).
+\def\letterpaper{{\globaldefs = 1
+  \parskip = 3pt plus 2pt minus 1pt
+  \textleading = 13.2pt
+  %
+  % If page is nothing but text, make it come out even.
+  \internalpagesizes{46\baselineskip}{6in}%
+                    {\voffset}{.25in}%
+                    {\bindingoffset}{36pt}%
+                    {11in}{8.5in}%
+}}
+
+% Use @smallbook to reset parameters for 7x9.25 trim size.
+\def\smallbook{{\globaldefs = 1
+  \parskip = 2pt plus 1pt
+  \textleading = 12pt
+  %
+  \internalpagesizes{7.5in}{5in}%
+                    {\voffset}{.25in}%
+                    {\bindingoffset}{16pt}%
+                    {9.25in}{7in}%
+  %
+  \lispnarrowing = 0.3in
+  \tolerance = 700
+  \hfuzz = 1pt
+  \contentsrightmargin = 0pt
+  \defbodyindent = .5cm
+}}
+
+% Use @smallerbook to reset parameters for 6x9 trim size.
+% (Just testing, parameters still in flux.)
+\def\smallerbook{{\globaldefs = 1
+  \parskip = 1.5pt plus 1pt
+  \textleading = 12pt
+  %
+  \internalpagesizes{7.4in}{4.8in}%
+                    {-.2in}{-.4in}%
+                    {0pt}{14pt}%
+                    {9in}{6in}%
+  %
+  \lispnarrowing = 0.25in
+  \tolerance = 700
+  \hfuzz = 1pt
+  \contentsrightmargin = 0pt
+  \defbodyindent = .4cm
+}}
+
+% Use @afourpaper to print on European A4 paper.
+\def\afourpaper{{\globaldefs = 1
+  \parskip = 3pt plus 2pt minus 1pt
+  \textleading = 13.2pt
+  %
+  % Double-side printing via postscript on Laserjet 4050
+  % prints double-sided nicely when \bindingoffset=10mm and \hoffset=-6mm.
+  % To change the settings for a different printer or situation, adjust
+  % \normaloffset until the front-side and back-side texts align.  Then
+  % do the same for \bindingoffset.  You can set these for testing in
+  % your texinfo source file like this:
+  % @tex
+  % \global\normaloffset = -6mm
+  % \global\bindingoffset = 10mm
+  % @end tex
+  \internalpagesizes{51\baselineskip}{160mm}
+                    {\voffset}{\hoffset}%
+                    {\bindingoffset}{44pt}%
+                    {297mm}{210mm}%
+  %
+  \tolerance = 700
+  \hfuzz = 1pt
+  \contentsrightmargin = 0pt
+  \defbodyindent = 5mm
+}}
+
+% Use @afivepaper to print on European A5 paper.
+% From romildo at urano.iceb.ufop.br, 2 July 2000.
+% He also recommends making @example and @lisp be small.
+\def\afivepaper{{\globaldefs = 1
+  \parskip = 2pt plus 1pt minus 0.1pt
+  \textleading = 12.5pt
+  %
+  \internalpagesizes{160mm}{120mm}%
+                    {\voffset}{\hoffset}%
+                    {\bindingoffset}{8pt}%
+                    {210mm}{148mm}%
+  %
+  \lispnarrowing = 0.2in
+  \tolerance = 800
+  \hfuzz = 1.2pt
+  \contentsrightmargin = 0pt
+  \defbodyindent = 2mm
+  \tableindent = 12mm
+}}
+
+% A specific text layout, 24x15cm overall, intended for A4 paper.
+\def\afourlatex{{\globaldefs = 1
+  \afourpaper
+  \internalpagesizes{237mm}{150mm}%
+                    {\voffset}{4.6mm}%
+                    {\bindingoffset}{7mm}%
+                    {297mm}{210mm}%
+  %
+  % Must explicitly reset to 0 because we call \afourpaper.
+  \globaldefs = 0
+}}
+
+% Use @afourwide to print on A4 paper in landscape format.
+\def\afourwide{{\globaldefs = 1
+  \afourpaper
+  \internalpagesizes{241mm}{165mm}%
+                    {\voffset}{-2.95mm}%
+                    {\bindingoffset}{7mm}%
+                    {297mm}{210mm}%
+  \globaldefs = 0
+}}
+
+% @pagesizes TEXTHEIGHT[,TEXTWIDTH]
+% Perhaps we should allow setting the margins, \topskip, \parskip,
+% and/or leading, also. Or perhaps we should compute them somehow.
+%
+\parseargdef\pagesizes{\pagesizesyyy #1,,\finish}
+\def\pagesizesyyy#1,#2,#3\finish{{%
+  \setbox0 = \hbox{\ignorespaces #2}\ifdim\wd0 > 0pt \hsize=#2\relax \fi
+  \globaldefs = 1
+  %
+  \parskip = 3pt plus 2pt minus 1pt
+  \setleading{\textleading}%
+  %
+  \dimen0 = #1
+  \advance\dimen0 by \voffset
+  %
+  \dimen2 = \hsize
+  \advance\dimen2 by \normaloffset
+  %
+  \internalpagesizes{#1}{\hsize}%
+                    {\voffset}{\normaloffset}%
+                    {\bindingoffset}{44pt}%
+                    {\dimen0}{\dimen2}%
+}}
+
+% Set default to letter.
+%
+\letterpaper
+
+
+\message{and turning on texinfo input format.}
+
+% Define macros to output various characters with catcode for normal text.
+\catcode`\"=\other
+\catcode`\~=\other
+\catcode`\^=\other
+\catcode`\_=\other
+\catcode`\|=\other
+\catcode`\<=\other
+\catcode`\>=\other
+\catcode`\+=\other
+\catcode`\$=\other
+\def\normaldoublequote{"}
+\def\normaltilde{~}
+\def\normalcaret{^}
+\def\normalunderscore{_}
+\def\normalverticalbar{|}
+\def\normalless{<}
+\def\normalgreater{>}
+\def\normalplus{+}
+\def\normaldollar{$}%$ font-lock fix
+
+% This macro is used to make a character print one way in \tt
+% (where it can probably be output as-is), and another way in other fonts,
+% where something hairier probably needs to be done.
+%
+% #1 is what to print if we are indeed using \tt; #2 is what to print
+% otherwise.  Since all the Computer Modern typewriter fonts have zero
+% interword stretch (and shrink), and it is reasonable to expect all
+% typewriter fonts to have this, we can check that font parameter.
+%
+\def\ifusingtt#1#2{\ifdim \fontdimen3\font=0pt #1\else #2\fi}
+
+% Same as above, but check for italic font.  Actually this also catches
+% non-italic slanted fonts since it is impossible to distinguish them from
+% italic fonts.  But since this is only used by $ and it uses \sl anyway
+% this is not a problem.
+\def\ifusingit#1#2{\ifdim \fontdimen1\font>0pt #1\else #2\fi}
+
+% Turn off all special characters except @
+% (and those which the user can use as if they were ordinary).
+% Most of these we simply print from the \tt font, but for some, we can
+% use math or other variants that look better in normal text.
+
+\catcode`\"=\active
+\def\activedoublequote{{\tt\char34}}
+\let"=\activedoublequote
+\catcode`\~=\active
+\def~{{\tt\char126}}
+\chardef\hat=`\^
+\catcode`\^=\active
+\def^{{\tt \hat}}
+
+\catcode`\_=\active
+\def_{\ifusingtt\normalunderscore\_}
+\let\realunder=_
+% Subroutine for the previous macro.
+\def\_{\leavevmode \kern.07em \vbox{\hrule width.3em height.1ex}\kern .07em }
+
+\catcode`\|=\active
+\def|{{\tt\char124}}
+\chardef \less=`\<
+\catcode`\<=\active
+\def<{{\tt \less}}
+\chardef \gtr=`\>
+\catcode`\>=\active
+\def>{{\tt \gtr}}
+\catcode`\+=\active
+\def+{{\tt \char 43}}
+\catcode`\$=\active
+\def${\ifusingit{{\sl\$}}\normaldollar}%$ font-lock fix
+
+% If a .fmt file is being used, characters that might appear in a file
+% name cannot be active until we have parsed the command line.
+% So turn them off again, and have \everyjob (or @setfilename) turn them on.
+% \otherifyactive is called near the end of this file.
+\def\otherifyactive{\catcode`+=\other \catcode`\_=\other}
+
+\catcode`\@=0
+
+% \backslashcurfont outputs one backslash character in current font,
+% as in \char`\\.
+\global\chardef\backslashcurfont=`\\
+\global\let\rawbackslashxx=\backslashcurfont  % let existing .??s files work
+
+% \rawbackslash defines an active \ to do \backslashcurfont.
+% \otherbackslash defines an active \ to be a literal `\' character with
+% catcode other.
+{\catcode`\\=\active
+ @gdef at rawbackslash{@let\=@backslashcurfont}
+ @gdef at otherbackslash{@let\=@realbackslash}
+}
+
+% \realbackslash is an actual character `\' with catcode other, and
+% \doublebackslash is two of them (for the pdf outlines).
+{\catcode`\\=\other @gdef at realbackslash{\} @gdef at doublebackslash{\\}}
+
+% \normalbackslash outputs one backslash in fixed width font.
+\def\normalbackslash{{\tt\backslashcurfont}}
+
+\catcode`\\=\active
+
+% Used sometimes to turn off (effectively) the active characters
+% even after parsing them.
+ at def@turnoffactive{%
+  @let"=@normaldoublequote
+  @let\=@realbackslash
+  @let~=@normaltilde
+  @let^=@normalcaret
+  @let_=@normalunderscore
+  @let|=@normalverticalbar
+  @let<=@normalless
+  @let>=@normalgreater
+  @let+=@normalplus
+  @let$=@normaldollar %$ font-lock fix
+  @unsepspaces
+}
+
+% Same as @turnoffactive except outputs \ as {\tt\char`\\} instead of
+% the literal character `\'.  (Thus, \ is not expandable when this is in
+% effect.)
+%
+ at def@normalturnoffactive{@turnoffactive @let\=@normalbackslash}
+
+% Make _ and + \other characters, temporarily.
+% This is canceled by @fixbackslash.
+ at otherifyactive
+
+% If a .fmt file is being used, we don't want the `\input texinfo' to show up.
+% That is what \eatinput is for; after that, the `\' should revert to printing
+% a backslash.
+%
+ at gdef@eatinput input texinfo{@fixbackslash}
+ at global@let\ = @eatinput
+
+% On the other hand, perhaps the file did not have a `\input texinfo'. Then
+% the first `\{ in the file would cause an error. This macro tries to fix
+% that, assuming it is called before the first `\' could plausibly occur.
+% Also turn back on active characters that might appear in the input
+% file name, in case not using a pre-dumped format.
+%
+ at gdef@fixbackslash{%
+  @ifx\@eatinput @let\ = @normalbackslash @fi
+  @catcode`+=@active
+  @catcode`@_=@active
+}
+
+% Say @foo, not \foo, in error messages.
+ at escapechar = `@@
+
+% These look ok in all fonts, so just make them not special.
+ at catcode`@& = @other
+ at catcode`@# = @other
+ at catcode`@% = @other
+
+
+ at c Local variables:
+ at c eval: (add-hook 'write-file-hooks 'time-stamp)
+ at c page-delimiter: "^\\\\message"
+ at c time-stamp-start: "def\\\\texinfoversion{"
+ at c time-stamp-format: "%:y-%02m-%02d.%02H"
+ at c time-stamp-end: "}"
+ at c End:
+
+ at c vim:sw=2:
+
+ at ignore
+   arch-tag: e1b36e32-c96e-4135-a41a-0b2efa2ea115
+ at end ignore
diff --git a/doc/version.texi b/doc/version.texi
new file mode 100644
index 0000000..5da139a
--- /dev/null
+++ b/doc/version.texi
@@ -0,0 +1,4 @@
+ at set UPDATED 2 May 2007
+ at set UPDATED-MONTH May 2007
+ at set EDITION 1.0-alpha4
+ at set VERSION 1.0-alpha4
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new file mode 100644
index 0000000..81552df
--- /dev/null
+++ b/gridspec_tools_20080702/shared/mosaic/Makefile.am
@@ -0,0 +1,32 @@
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diff --git a/gridspec_tools_20080702/shared/mosaic/Makefile.in b/gridspec_tools_20080702/shared/mosaic/Makefile.in
new file mode 100644
index 0000000..76f6abb
--- /dev/null
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diff --git a/gridspec_tools_20080702/shared/mosaic/constant.h b/gridspec_tools_20080702/shared/mosaic/constant.h
new file mode 100644
index 0000000..619ae07
--- /dev/null
+++ b/gridspec_tools_20080702/shared/mosaic/constant.h
@@ -0,0 +1,2 @@
+#define RADIUS        (6371000.)
+#define STRING        255
diff --git a/gridspec_tools_20080702/shared/mosaic/create_xgrid.c b/gridspec_tools_20080702/shared/mosaic/create_xgrid.c
new file mode 100644
index 0000000..9f0c409
--- /dev/null
+++ b/gridspec_tools_20080702/shared/mosaic/create_xgrid.c
@@ -0,0 +1,1106 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include "mosaic_util.h"
+#include "create_xgrid.h"
+#include "constant.h"
+
+#define AREA_RATIO_THRESH (1.e-6)  
+#define MASK_THRESH       (0.5)
+#define EPSLN             (1.0e-30)
+double grid_box_radius(const double *x, const double *y, const double *z, int n);
+double dist_between_boxes(const double *x1, const double *y1, const double *z1, int n1,
+			  const double *x2, const double *y2, const double *z2, int n2);
+int inside_edge(double x0, double y0, double x1, double y1, double x, double y);
+/*******************************************************************************
+  int get_maxxgrid
+  return constants MAXXGRID.
+*******************************************************************************/
+int get_maxxgrid(void)  
+{
+  return MAXXGRID;
+}
+
+int get_maxxgrid_(void)
+{
+  return get_maxxgrid();
+}
+
+/*******************************************************************************
+void get_grid_area(const int *nlon, const int *nlat, const double *lon, const double *lat, const double *area)
+  return the grid area.
+*******************************************************************************/
+void get_grid_area_(const int *nlon, const int *nlat, const double *lon, const double *lat, double *area)
+{
+  get_grid_area(nlon, nlat, lon, lat, area);
+}
+
+void get_grid_area(const int *nlon, const int *nlat, const double *lon, const double *lat, double *area)
+{
+  int nx, ny, nxp, i, j, n_in;
+  double x_in[20], y_in[20];
+  
+  nx = *nlon;
+  ny = *nlat;
+  nxp = nx + 1;
+
+  for(j=0; j<ny; j++) for(i=0; i < nx; i++) {
+    x_in[0] = lon[j*nxp+i];
+    x_in[1] = lon[j*nxp+i+1];
+    x_in[2] = lon[(j+1)*nxp+i+1];
+    x_in[3] = lon[(j+1)*nxp+i];
+    y_in[0] = lat[j*nxp+i];
+    y_in[1] = lat[j*nxp+i+1];
+    y_in[2] = lat[(j+1)*nxp+i+1];
+    y_in[3] = lat[(j+1)*nxp+i];
+    n_in = fix_lon(x_in, y_in, 4, M_PI);    
+    area[j*nx+i] = poly_area(x_in, y_in, n_in);
+  }
+
+};  /* get_grid_area */
+
+
+void get_grid_area_no_adjust(const int *nlon, const int *nlat, const double *lon, const double *lat, double *area)
+{
+  int nx, ny, nxp, i, j, n_in;
+  double x_in[20], y_in[20];
+  
+  nx = *nlon;
+  ny = *nlat;
+  nxp = nx + 1;
+
+  for(j=0; j<ny; j++) for(i=0; i < nx; i++) {
+    x_in[0] = lon[j*nxp+i];
+    x_in[1] = lon[j*nxp+i+1];
+    x_in[2] = lon[(j+1)*nxp+i+1];
+    x_in[3] = lon[(j+1)*nxp+i];
+    y_in[0] = lat[j*nxp+i];
+    y_in[1] = lat[j*nxp+i+1];
+    y_in[2] = lat[(j+1)*nxp+i+1];
+    y_in[3] = lat[(j+1)*nxp+i];
+    n_in = 4;
+    area[j*nx+i] = poly_area_no_adjust(x_in, y_in, n_in);
+  }
+
+};  /* get_grid_area_no_adjust */
+
+/*******************************************************************************
+  void create_xgrid_1dx2d_order1
+  This routine generate exchange grids between two grids for the first order
+  conservative interpolation. nlon_in,nlat_in,nlon_out,nlat_out are the size of the grid cell
+  and lon_in,lat_in are 1-D grid bounds, lon_out,lat_out are geographic grid location of grid cell bounds. 
+*******************************************************************************/
+int create_xgrid_1dx2d_order1_(const int *nlon_in, const int *nlat_in, const int *nlon_out, const int *nlat_out,
+			       const double *lon_in, const double *lat_in, const double *lon_out, const double *lat_out,
+			       const double *mask_in, int *i_in, int *j_in, int *i_out, int *j_out, double *xgrid_area)
+{
+  int nxgrid;
+  
+  nxgrid = create_xgrid_1dx2d_order1(nlon_in, nlat_in, nlon_out, nlat_out, lon_in, lat_in, lon_out, lat_out, mask_in,
+			       i_in, j_in, i_out, j_out, xgrid_area);
+  return nxgrid;
+    
+};  
+
+int create_xgrid_1dx2d_order1(const int *nlon_in, const int *nlat_in, const int *nlon_out, const int *nlat_out, const double *lon_in,
+			      const double *lat_in, const double *lon_out, const double *lat_out,
+			      const double *mask_in, int *i_in, int *j_in, int *i_out,
+			      int *j_out, double *xgrid_area)
+{
+
+  int nx1, ny1, nx2, ny2, nx1p, nx2p;
+  int i1, j1, i2, j2, nxgrid;
+  double ll_lon, ll_lat, ur_lon, ur_lat, x_in[MV], y_in[MV], x_out[MV], y_out[MV];
+  double *area_in, *area_out, min_area;
+  double *tmpx, *tmpy;
+  
+  nx1 = *nlon_in;
+  ny1 = *nlat_in;
+  nx2 = *nlon_out;
+  ny2 = *nlat_out;
+
+  nxgrid = 0;
+  nx1p = nx1 + 1;
+  nx2p = nx2 + 1;
+
+  area_in = (double *)malloc(nx1*ny1*sizeof(double));
+  area_out = (double *)malloc(nx2*ny2*sizeof(double));
+  tmpx = (double *)malloc((nx1+1)*(ny1+1)*sizeof(double));
+  tmpy = (double *)malloc((nx1+1)*(ny1+1)*sizeof(double));
+  for(j1=0; j1<=ny1; j1++) for(i1=0; i1<=nx1; i1++) {
+    tmpx[j1*nx1p+i1] = lon_in[i1];
+    tmpy[j1*nx1p+i1] = lat_in[j1];
+  }
+  /* This is just a temporary fix to solve the issue that there is one point in zonal direction */
+  if(nx1 > 1)
+     get_grid_area(nlon_in, nlat_in, tmpx, tmpy, area_in);
+  else
+    get_grid_area_no_adjust(nlon_in, nlat_in, tmpx, tmpy, area_in);
+  
+  get_grid_area(nlon_out, nlat_out, lon_out, lat_out, area_out);  
+  free(tmpx);
+  free(tmpy);  
+
+  for(j1=0; j1<ny1; j1++) for(i1=0; i1<nx1; i1++) if( mask_in[j1*nx1+i1] > MASK_THRESH ) {
+
+    ll_lon = lon_in[i1];   ll_lat = lat_in[j1];
+    ur_lon = lon_in[i1+1]; ur_lat = lat_in[j1+1];
+    for(j2=0; j2<ny2; j2++) for(i2=0; i2<nx2; i2++) {
+      int n_in, n_out;
+      double Xarea;
+      
+      y_in[0] = lat_out[j2*nx2p+i2];
+      y_in[1] = lat_out[j2*nx2p+i2+1];
+      y_in[2] = lat_out[(j2+1)*nx2p+i2+1];
+      y_in[3] = lat_out[(j2+1)*nx2p+i2];
+      if (  (y_in[0]<=ll_lat) && (y_in[1]<=ll_lat)
+	    && (y_in[2]<=ll_lat) && (y_in[3]<=ll_lat) ) continue;
+      if (  (y_in[0]>=ur_lat) && (y_in[1]>=ur_lat)
+	    && (y_in[2]>=ur_lat) && (y_in[3]>=ur_lat) ) continue;
+
+      x_in[0] = lon_out[j2*nx2p+i2];
+      x_in[1] = lon_out[j2*nx2p+i2+1];
+      x_in[2] = lon_out[(j2+1)*nx2p+i2+1];
+      x_in[3] = lon_out[(j2+1)*nx2p+i2];
+      n_in = fix_lon(x_in, y_in, 4, (ll_lon+ur_lon)/2);
+      
+      if ( (n_out = clip ( x_in, y_in, n_in, ll_lon, ll_lat, ur_lon, ur_lat, x_out, y_out )) > 0 ) {
+	Xarea = poly_area (x_out, y_out, n_out ) * mask_in[j1*nx1+i1];
+	min_area = min(area_in[j1*nx1+i1], area_out[j2*nx2+i2]);
+	if( Xarea/min_area > AREA_RATIO_THRESH ) {
+      	  xgrid_area[nxgrid] = Xarea;
+	  i_in[nxgrid]    = i1;
+	  j_in[nxgrid]    = j1;
+	  i_out[nxgrid]   = i2;
+	  j_out[nxgrid]   = j2;
+	  ++nxgrid;
+	  if(nxgrid > MAXXGRID) error_handler("nxgrid is greater than MAXXGRID, increase MAXXGRID");
+	}
+      }
+    }
+  }
+
+  free(area_in);
+  free(area_out);
+  
+  return nxgrid;
+  
+}; /* create_xgrid_1dx2d_order1 */
+
+
+/********************************************************************************
+  void create_xgrid_1dx2d_order2
+  This routine generate exchange grids between two grids for the second order
+  conservative interpolation. nlon_in,nlat_in,nlon_out,nlat_out are the size of the grid cell
+  and lon_in,lat_in are 1-D grid bounds, lon_out,lat_out are geographic grid location of grid cell bounds.
+********************************************************************************/
+int create_xgrid_1dx2d_order2_(const int *nlon_in, const int *nlat_in, const int *nlon_out, const int *nlat_out,
+			       const double *lon_in, const double *lat_in, const double *lon_out, const double *lat_out,
+			       const double *mask_in, int *i_in, int *j_in, int *i_out, int *j_out,
+			       double *xgrid_area, double *xgrid_clon, double *xgrid_clat)
+{
+  int nxgrid;
+  nxgrid = create_xgrid_1dx2d_order2(nlon_in, nlat_in, nlon_out, nlat_out, lon_in, lat_in, lon_out, lat_out, mask_in, i_in,
+                                     j_in, i_out, j_out, xgrid_area, xgrid_clon, xgrid_clat);
+  return nxgrid;
+
+};
+int create_xgrid_1dx2d_order2(const int *nlon_in, const int *nlat_in, const int *nlon_out, const int *nlat_out,
+			      const double *lon_in, const double *lat_in, const double *lon_out, const double *lat_out,
+			      const double *mask_in, int *i_in, int *j_in, int *i_out, int *j_out,
+			      double *xgrid_area, double *xgrid_clon, double *xgrid_clat)
+{
+
+  int nx1, ny1, nx2, ny2, nx1p, nx2p;
+  int i1, j1, i2, j2, nxgrid, n;
+  double ll_lon, ll_lat, ur_lon, ur_lat, x_in[MV], y_in[MV], x_out[MV], y_out[MV];
+  double *area_in, *area_out, min_area;
+  double *tmpx, *tmpy;
+  
+  nx1 = *nlon_in;
+  ny1 = *nlat_in;
+  nx2 = *nlon_out;
+  ny2 = *nlat_out;
+
+  nxgrid = 0;
+  nx1p = nx1 + 1;
+  nx2p = nx2 + 1;
+
+  area_in      = (double *)malloc(nx1*ny1*sizeof(double));
+  area_out     = (double *)malloc(nx2*ny2*sizeof(double));
+  tmpx = (double *)malloc((nx1+1)*(ny1+1)*sizeof(double));
+  tmpy = (double *)malloc((nx1+1)*(ny1+1)*sizeof(double));
+  for(j1=0; j1<=ny1; j1++) for(i1=0; i1<=nx1; i1++) {
+    tmpx[j1*nx1p+i1] = lon_in[i1];
+    tmpy[j1*nx1p+i1] = lat_in[j1];
+  }
+  get_grid_area(nlon_in, nlat_in, tmpx, tmpy, area_in);     
+  get_grid_area(nlon_out, nlat_out, lon_out, lat_out, area_out);  
+  free(tmpx);
+  free(tmpy);    
+  
+  for(j1=0; j1<ny1; j1++) for(i1=0; i1<nx1; i1++) if( mask_in[j1*nx1+i1] > MASK_THRESH ) {
+
+    ll_lon = lon_in[i1];   ll_lat = lat_in[j1];
+    ur_lon = lon_in[i1+1]; ur_lat = lat_in[j1+1];
+    for(j2=0; j2<ny2; j2++) for(i2=0; i2<nx2; i2++) {
+      int n_in, n_out;
+      double xarea, lon_in_avg;
+      
+      y_in[0] = lat_out[j2*nx2p+i2];
+      y_in[1] = lat_out[j2*nx2p+i2+1];
+      y_in[2] = lat_out[(j2+1)*nx2p+i2+1];
+      y_in[3] = lat_out[(j2+1)*nx2p+i2];
+      if (  (y_in[0]<=ll_lat) && (y_in[1]<=ll_lat)
+	    && (y_in[2]<=ll_lat) && (y_in[3]<=ll_lat) ) continue;
+      if (  (y_in[0]>=ur_lat) && (y_in[1]>=ur_lat)
+	    && (y_in[2]>=ur_lat) && (y_in[3]>=ur_lat) ) continue;
+
+      x_in[0] = lon_out[j2*nx2p+i2];
+      x_in[1] = lon_out[j2*nx2p+i2+1];
+      x_in[2] = lon_out[(j2+1)*nx2p+i2+1];
+      x_in[3] = lon_out[(j2+1)*nx2p+i2];
+      n_in = fix_lon(x_in, y_in, 4, (ll_lon+ur_lon)/2);
+      lon_in_avg = avgval_double(n_in, x_in);
+      
+      if (  (n_out = clip ( x_in, y_in, n_in, ll_lon, ll_lat, ur_lon, ur_lat, x_out, y_out )) > 0 ) {
+	xarea = poly_area (x_out, y_out, n_out ) * mask_in[j1*nx1+i1];	
+        min_area = min(area_in[j1*nx1+i1], area_out[j2*nx2+i2]);
+	if(xarea/min_area > AREA_RATIO_THRESH ) {	  
+	  xgrid_area[nxgrid] = xarea;
+	  xgrid_clon[nxgrid] = poly_ctrlon(x_out, y_out, n_out, lon_in_avg);
+	  xgrid_clat[nxgrid] = poly_ctrlat (x_out, y_out, n_out );
+	  i_in[nxgrid]    = i1;
+	  j_in[nxgrid]    = j1;
+	  i_out[nxgrid]   = i2;
+	  j_out[nxgrid]   = j2;
+	  ++nxgrid;
+	  if(nxgrid > MAXXGRID) error_handler("nxgrid is greater than MAXXGRID, increase MAXXGRID");
+	}
+      }
+    }
+  }
+  free(area_in);
+  free(area_out);
+  
+  return nxgrid;
+  
+}; /* create_xgrid_1dx2d_order2 */
+
+/*******************************************************************************
+  void create_xgrid_2dx1d_order1
+  This routine generate exchange grids between two grids for the first order
+  conservative interpolation. nlon_in,nlat_in,nlon_out,nlat_out are the size of the grid cell
+  and lon_out,lat_out are 1-D grid bounds, lon_in,lat_in are geographic grid location of grid cell bounds.
+  mask is on grid lon_in/lat_in. 
+*******************************************************************************/
+int create_xgrid_2dx1d_order1_(const int *nlon_in, const int *nlat_in, const int *nlon_out, const int *nlat_out,
+			       const double *lon_in, const double *lat_in, const double *lon_out, const double *lat_out,
+			       const double *mask_in, int *i_in, int *j_in, int *i_out,
+			       int *j_out, double *xgrid_area)
+{
+  int nxgrid;
+  
+  nxgrid = create_xgrid_2dx1d_order1(nlon_in, nlat_in, nlon_out, nlat_out, lon_in, lat_in, lon_out, lat_out, mask_in,
+			       i_in, j_in, i_out, j_out, xgrid_area);
+  return nxgrid;
+    
+};  
+int create_xgrid_2dx1d_order1(const int *nlon_in, const int *nlat_in, const int *nlon_out, const int *nlat_out, const double *lon_in,
+			      const double *lat_in, const double *lon_out, const double *lat_out,
+			      const double *mask_in, int *i_in, int *j_in, int *i_out,
+			      int *j_out, double *xgrid_area)
+{
+
+  int nx1, ny1, nx2, ny2, nx1p, nx2p;
+  int i1, j1, i2, j2, nxgrid;
+  double ll_lon, ll_lat, ur_lon, ur_lat, x_in[MV], y_in[MV], x_out[MV], y_out[MV];
+  double *area_in, *area_out, min_area;
+  double *tmpx, *tmpy;
+  
+  nx1 = *nlon_in;
+  ny1 = *nlat_in;
+  nx2 = *nlon_out;
+  ny2 = *nlat_out;
+
+  nxgrid = 0;
+  nx1p = nx1 + 1;
+  nx2p = nx2 + 1;
+  area_in = (double *)malloc(nx1*ny1*sizeof(double));
+  area_out = (double *)malloc(nx2*ny2*sizeof(double));
+  tmpx = (double *)malloc((nx2+1)*(ny2+1)*sizeof(double));
+  tmpy = (double *)malloc((nx2+1)*(ny2+1)*sizeof(double));
+  for(j2=0; j2<=ny2; j2++) for(i2=0; i2<=nx2; i2++) {
+    tmpx[j2*nx2p+i2] = lon_out[i2];
+    tmpy[j2*nx2p+i2] = lat_out[j2];
+  }
+  get_grid_area(nlon_in, nlat_in, lon_in, lat_in, area_in);     
+  get_grid_area(nlon_out, nlat_out, tmpx, tmpy, area_out);  
+
+  free(tmpx);
+  free(tmpy);
+  
+  for(j2=0; j2<ny2; j2++) for(i2=0; i2<nx2; i2++) {
+
+    ll_lon = lon_out[i2];   ll_lat = lat_out[j2];
+    ur_lon = lon_out[i2+1]; ur_lat = lat_out[j2+1];
+    for(j1=0; j1<ny1; j1++) for(i1=0; i1<nx1; i1++) if( mask_in[j1*nx1+i1] > MASK_THRESH ) {
+      int n_in, n_out;
+      double Xarea;
+      
+      y_in[0] = lat_in[j1*nx1p+i1];
+      y_in[1] = lat_in[j1*nx1p+i1+1];
+      y_in[2] = lat_in[(j1+1)*nx1p+i1+1];
+      y_in[3] = lat_in[(j1+1)*nx1p+i1];
+      if (  (y_in[0]<=ll_lat) && (y_in[1]<=ll_lat)
+	    && (y_in[2]<=ll_lat) && (y_in[3]<=ll_lat) ) continue;
+      if (  (y_in[0]>=ur_lat) && (y_in[1]>=ur_lat)
+	    && (y_in[2]>=ur_lat) && (y_in[3]>=ur_lat) ) continue;
+
+      x_in[0] = lon_in[j1*nx1p+i1];
+      x_in[1] = lon_in[j1*nx1p+i1+1];
+      x_in[2] = lon_in[(j1+1)*nx1p+i1+1];
+      x_in[3] = lon_in[(j1+1)*nx1p+i1];
+
+      n_in = fix_lon(x_in, y_in, 4, (ll_lon+ur_lon)/2);
+      
+      if ( (n_out = clip ( x_in, y_in, n_in, ll_lon, ll_lat, ur_lon, ur_lat, x_out, y_out )) > 0 ) {
+	Xarea = poly_area ( x_out, y_out, n_out ) * mask_in[j1*nx1+i1];
+	min_area = min(area_in[j1*nx1+i1], area_out[j2*nx2+i2]);
+	if( Xarea/min_area > AREA_RATIO_THRESH ) {
+      	  xgrid_area[nxgrid] = Xarea;
+	  i_in[nxgrid]    = i1;
+	  j_in[nxgrid]    = j1;
+	  i_out[nxgrid]   = i2;
+	  j_out[nxgrid]   = j2;
+	  ++nxgrid;
+	  if(nxgrid > MAXXGRID) error_handler("nxgrid is greater than MAXXGRID, increase MAXXGRID");
+	}
+      }
+    }
+  }
+
+  free(area_in);
+  free(area_out);
+  
+  return nxgrid;
+  
+}; /* create_xgrid_2dx1d_order1 */
+
+
+/********************************************************************************
+  void create_xgrid_2dx1d_order2
+  This routine generate exchange grids between two grids for the second order
+  conservative interpolation. nlon_in,nlat_in,nlon_out,nlat_out are the size of the grid cell
+  and lon_out,lat_out are 1-D grid bounds, lon_in,lat_in are geographic grid location of grid cell bounds.
+  mask is on grid lon_in/lat_in. 
+********************************************************************************/
+int create_xgrid_2dx1d_order2_(const int *nlon_in, const int *nlat_in, const int *nlon_out, const int *nlat_out,
+			       const double *lon_in, const double *lat_in, const double *lon_out, const double *lat_out,
+			       const double *mask_in, int *i_in, int *j_in, int *i_out, int *j_out,
+			       double *xgrid_area, double *xgrid_clon, double *xgrid_clat)
+{
+  int nxgrid;
+  nxgrid = create_xgrid_2dx1d_order2(nlon_in, nlat_in, nlon_out, nlat_out, lon_in, lat_in, lon_out, lat_out, mask_in, i_in,
+                                     j_in, i_out, j_out, xgrid_area, xgrid_clon, xgrid_clat);
+  return nxgrid;
+
+};
+
+int create_xgrid_2dx1d_order2(const int *nlon_in, const int *nlat_in, const int *nlon_out, const int *nlat_out,
+			      const double *lon_in, const double *lat_in, const double *lon_out, const double *lat_out,
+			      const double *mask_in, int *i_in, int *j_in, int *i_out, int *j_out,
+			      double *xgrid_area, double *xgrid_clon, double *xgrid_clat)
+{
+
+  int nx1, ny1, nx2, ny2, nx1p, nx2p;
+  int i1, j1, i2, j2, nxgrid, n;
+  double ll_lon, ll_lat, ur_lon, ur_lat, x_in[MV], y_in[MV], x_out[MV], y_out[MV];
+  double *tmpx, *tmpy;
+  double *area_in, *area_out, min_area;
+  double  lon_in_avg;
+  
+  nx1 = *nlon_in;
+  ny1 = *nlat_in;
+  nx2 = *nlon_out;
+  ny2 = *nlat_out;
+
+  nxgrid = 0;
+  nx1p = nx1 + 1;
+  nx2p = nx2 + 1;
+
+  area_in      = (double *)malloc(nx1*ny1*sizeof(double));
+  area_out     = (double *)malloc(nx2*ny2*sizeof(double));
+  tmpx = (double *)malloc((nx2+1)*(ny2+1)*sizeof(double));
+  tmpy = (double *)malloc((nx2+1)*(ny2+1)*sizeof(double));
+  for(j2=0; j2<=ny2; j2++) for(i2=0; i2<=nx2; i2++) {
+    tmpx[j2*nx2p+i2] = lon_out[i2];
+    tmpy[j2*nx2p+i2] = lat_out[j2];
+  }
+  get_grid_area(nlon_in, nlat_in, lon_in, lat_in, area_in);     
+  get_grid_area(nlon_out, nlat_out, tmpx, tmpy, area_out);  
+
+  free(tmpx);
+  free(tmpy);  
+  
+  for(j2=0; j2<ny2; j2++) for(i2=0; i2<nx2; i2++) {
+
+    ll_lon = lon_out[i2];   ll_lat = lat_out[j2];
+    ur_lon = lon_out[i2+1]; ur_lat = lat_out[j2+1];
+    for(j1=0; j1<ny1; j1++) for(i1=0; i1<nx1; i1++) if( mask_in[j1*nx1+i1] > MASK_THRESH ) {
+      int n_in, n_out;
+      double xarea;
+      
+      y_in[0] = lat_in[j1*nx1p+i1];
+      y_in[1] = lat_in[j1*nx1p+i1+1];
+      y_in[2] = lat_in[(j1+1)*nx1p+i1+1];
+      y_in[3] = lat_in[(j1+1)*nx1p+i1];
+      if (  (y_in[0]<=ll_lat) && (y_in[1]<=ll_lat)
+	    && (y_in[2]<=ll_lat) && (y_in[3]<=ll_lat) ) continue;
+      if (  (y_in[0]>=ur_lat) && (y_in[1]>=ur_lat)
+	    && (y_in[2]>=ur_lat) && (y_in[3]>=ur_lat) ) continue;
+
+      x_in[0] = lon_in[j1*nx1p+i1];
+      x_in[1] = lon_in[j1*nx1p+i1+1];
+      x_in[2] = lon_in[(j1+1)*nx1p+i1+1];
+      x_in[3] = lon_in[(j1+1)*nx1p+i1];
+
+      n_in = fix_lon(x_in, y_in, 4, (ll_lon+ur_lon)/2);
+      lon_in_avg = avgval_double(n_in, x_in);
+      
+      if (  (n_out = clip ( x_in, y_in, n_in, ll_lon, ll_lat, ur_lon, ur_lat, x_out, y_out )) > 0 ) {
+	xarea = poly_area (x_out, y_out, n_out ) * mask_in[j1*nx1+i1];	
+	min_area = min(area_in[j1*nx1+i1], area_out[j2*nx2+i2]);
+	if(xarea/min_area > AREA_RATIO_THRESH ) {	  
+	  xgrid_area[nxgrid] = xarea;
+	  xgrid_clon[nxgrid] = poly_ctrlon(x_out, y_out, n_out, lon_in_avg);
+	  xgrid_clat[nxgrid] = poly_ctrlat (x_out, y_out, n_out );
+	  i_in[nxgrid]  = i1;
+	  j_in[nxgrid]  = j1;
+	  i_out[nxgrid] = i2;
+	  j_out[nxgrid] = j2;
+	  ++nxgrid;
+	  if(nxgrid > MAXXGRID) error_handler("nxgrid is greater than MAXXGRID, increase MAXXGRID");
+	}
+      }
+    }
+  }
+
+  free(area_in);
+  free(area_out);  
+  
+  return nxgrid;
+  
+}; /* create_xgrid_2dx1d_order2 */
+
+/*******************************************************************************
+  void create_xgrid_2DX2D_order1
+  This routine generate exchange grids between two grids for the first order
+  conservative interpolation. nlon_in,nlat_in,nlon_out,nlat_out are the size of the grid cell
+  and lon_in,lat_in, lon_out,lat_out are geographic grid location of grid cell bounds.
+  mask is on grid lon_in/lat_in.
+*******************************************************************************/
+#ifndef __AIX
+int create_xgrid_2dx2d_order1_(const int *nlon_in, const int *nlat_in, const int *nlon_out, const int *nlat_out,
+			       const double *lon_in, const double *lat_in, const double *lon_out, const double *lat_out,
+			       const double *mask_in, int *i_in, int *j_in, int *i_out,
+			       int *j_out, double *xgrid_area)
+{
+  int nxgrid;
+  
+  nxgrid = create_xgrid_2dx2d_order1(nlon_in, nlat_in, nlon_out, nlat_out, lon_in, lat_in, lon_out, lat_out, mask_in,
+			       i_in, j_in, i_out, j_out, xgrid_area);
+  return nxgrid;
+    
+};  
+#endif
+int create_xgrid_2dx2d_order1(const int *nlon_in, const int *nlat_in, const int *nlon_out, const int *nlat_out,
+			      const double *lon_in, const double *lat_in, const double *lon_out, const double *lat_out,
+			      const double *mask_in, int *i_in, int *j_in, int *i_out,
+			      int *j_out, double *xgrid_area)
+{
+
+  int nx1, ny1, nx2, ny2, nx1p, nx2p, ny1p, ny2p, nxgrid, n1_in, n2_in;
+  int n0, n1, n2, n3, i1, j1, i2, j2, l;
+  double x1_in[MV], y1_in[MV], x2_in[MV], y2_in[MV], x_out[MV], y_out[MV];
+  double lon_in_min, lon_out_min, lon_in_max, lon_out_max, lat_in_min, lat_in_max, lat_out_min, lat_out_max;
+  double lon_in_avg;
+  double *area_in, *area_out, min_area;  
+
+  nx1 = *nlon_in;
+  ny1 = *nlat_in;
+  nx2 = *nlon_out;
+  ny2 = *nlat_out;
+
+  nxgrid = 0;
+  nx1p = nx1 + 1;
+  nx2p = nx2 + 1;
+
+  area_in = (double *)malloc(nx1*ny1*sizeof(double));
+  area_out = (double *)malloc(nx2*ny2*sizeof(double));
+  get_grid_area(nlon_in, nlat_in, lon_in, lat_in, area_in);     
+  get_grid_area(nlon_out, nlat_out, lon_out, lat_out, area_out);  
+
+  for(j1=0; j1<ny1; j1++) for(i1=0; i1<nx1; i1++) if( mask_in[j1*nx1+i1] > MASK_THRESH ) {
+    n0 = j1*nx1p+i1;       n1 = j1*nx1p+i1+1;
+    n2 = (j1+1)*nx1p+i1+1; n3 = (j1+1)*nx1p+i1;      
+    x1_in[0] = lon_in[n0]; y1_in[0] = lat_in[n0];
+    x1_in[1] = lon_in[n1]; y1_in[1] = lat_in[n1];
+    x1_in[2] = lon_in[n2]; y1_in[2] = lat_in[n2];
+    x1_in[3] = lon_in[n3]; y1_in[3] = lat_in[n3];
+    lat_in_min = minval_double(4, y1_in);
+    lat_in_max = maxval_double(4, y1_in);
+    n1_in = fix_lon(x1_in, y1_in, 4, M_PI);
+    lon_in_min = minval_double(n1_in, x1_in);
+    lon_in_max = maxval_double(n1_in, x1_in);
+    lon_in_avg = avgval_double(n1_in, x1_in);
+      
+    for(j2=0; j2<ny2; j2++) for(i2=0; i2<nx2; i2++) {
+      int n_in, n_out;
+      double Xarea;
+      n0 = j2*nx2p+i2; n1 = j2*nx2p+i2+1;
+      n2 = (j2+1)*nx2p+i2+1; n3 = (j2+1)*nx2p+i2;
+      x2_in[0] = lon_out[n0]; y2_in[0] = lat_out[n0];
+      x2_in[1] = lon_out[n1]; y2_in[1] = lat_out[n1];
+      x2_in[2] = lon_out[n2]; y2_in[2] = lat_out[n2];
+      x2_in[3] = lon_out[n3]; y2_in[3] = lat_out[n3];
+
+      lat_out_min = minval_double(4, y2_in);
+      lat_out_max = maxval_double(4, y2_in);
+      if(lat_out_min >= lat_in_max || lat_out_max <= lat_in_min ) continue;
+      n2_in = fix_lon(x2_in, y2_in, 4, lon_in_avg);
+      lon_out_min = minval_double(n2_in, x2_in);
+      lon_out_max = maxval_double(n2_in, x2_in);    
+      
+      /* x2_in should in the same range as lon_in_in after lon_fix, so no need to
+	 consider cyclic condition
+      */
+      if(lon_out_min >= lon_in_max || lon_out_max <= lon_in_min ) continue;
+
+      if ( (n_out = clip_2dx2d ( x1_in, y1_in, n1_in, x2_in, y2_in, n2_in, x_out, y_out )) > 0) {
+	Xarea = poly_area (x_out, y_out, n_out) * mask_in[j1*nx1+i1];
+	min_area = min(area_in[j1*nx1+i1], area_out[j2*nx2+i2]);
+	if( Xarea/min_area > AREA_RATIO_THRESH ) {
+	  xgrid_area[nxgrid] = Xarea;
+	  i_in[nxgrid]    = i1;
+	  j_in[nxgrid]    = j1;
+	  i_out[nxgrid]   = i2;
+	  j_out[nxgrid]   = j2;
+	  ++nxgrid;
+	  if(nxgrid > MAXXGRID) error_handler("nxgrid is greater than MAXXGRID, increase MAXXGRID");
+	}
+      }
+    }
+  }
+
+  free(area_in);
+  free(area_out);
+  return nxgrid;
+  
+};/* get_xgrid_2Dx2D_order1 */
+
+/********************************************************************************
+  void create_xgrid_2dx1d_order2
+  This routine generate exchange grids between two grids for the second order
+  conservative interpolation. nlon_in,nlat_in,nlon_out,nlat_out are the size of the grid cell
+  and lon_in,lat_in, lon_out,lat_out are geographic grid location of grid cell bounds.
+  mask is on grid lon_in/lat_in. 
+********************************************************************************/
+#ifndef __AIX
+int create_xgrid_2dx2d_order2_(const int *nlon_in, const int *nlat_in, const int *nlon_out, const int *nlat_out,
+			       const double *lon_in, const double *lat_in, const double *lon_out, const double *lat_out,
+			       const double *mask_in, int *i_in, int *j_in, int *i_out, int *j_out,
+			       double *xgrid_area, double *xgrid_clon, double *xgrid_clat)
+{
+  int nxgrid;
+  nxgrid = create_xgrid_2dx2d_order2(nlon_in, nlat_in, nlon_out, nlat_out, lon_in, lat_in, lon_out, lat_out, mask_in, i_in,
+                                     j_in, i_out, j_out, xgrid_area, xgrid_clon, xgrid_clat);
+  return nxgrid;
+
+};
+#endif
+int create_xgrid_2dx2d_order2(const int *nlon_in, const int *nlat_in, const int *nlon_out, const int *nlat_out,
+			      const double *lon_in, const double *lat_in, const double *lon_out, const double *lat_out,
+			      const double *mask_in, int *i_in, int *j_in, int *i_out, int *j_out,
+			      double *xgrid_area, double *xgrid_clon, double *xgrid_clat)
+{
+
+  int nx1, nx2, ny1, ny2, nx1p, nx2p, ny1p, ny2p, nxgrid, n1_in, n2_in;
+  int n0, n1, n2, n3, i1, j1, i2, j2, l, n;
+  double x1_in[MV], y1_in[MV], x2_in[MV], y2_in[MV], x_out[MV], y_out[MV];
+  double lon_in_min, lon_out_min, lon_in_max, lon_out_max, lat_in_min, lat_in_max, lat_out_min, lat_out_max;
+  double lon_in_avg, xctrlon, xctrlat;
+  double *area_in, *area_out, min_area;
+  
+  nx1 = *nlon_in;
+  ny1 = *nlat_in;
+  nx2 = *nlon_out;
+  ny2 = *nlat_out;  
+  nxgrid = 0;
+  nx1p = nx1 + 1;
+  nx2p = nx2 + 1;
+  ny1p = ny1 + 1;
+  ny2p = ny2 + 1;
+
+  area_in  = (double *)malloc(nx1*ny1*sizeof(double));
+  area_out = (double *)malloc(nx2*ny2*sizeof(double));
+  get_grid_area(nlon_in, nlat_in, lon_in, lat_in, area_in);     
+  get_grid_area(nlon_out, nlat_out, lon_out, lat_out, area_out);
+  
+  for(j1=0; j1<ny1; j1++) for(i1=0; i1<nx1; i1++) if( mask_in[j1*nx1+i1] > MASK_THRESH ) {
+    n0 = j1*nx1p+i1;       n1 = j1*nx1p+i1+1;
+    n2 = (j1+1)*nx1p+i1+1; n3 = (j1+1)*nx1p+i1;      
+    x1_in[0] = lon_in[n0]; y1_in[0] = lat_in[n0];
+    x1_in[1] = lon_in[n1]; y1_in[1] = lat_in[n1];
+    x1_in[2] = lon_in[n2]; y1_in[2] = lat_in[n2];
+    x1_in[3] = lon_in[n3]; y1_in[3] = lat_in[n3];
+    lat_in_min = minval_double(4, y1_in);
+    lat_in_max = maxval_double(4, y1_in);
+    n1_in = fix_lon(x1_in, y1_in, 4, M_PI);
+    lon_in_min = minval_double(n1_in, x1_in);
+    lon_in_max = maxval_double(n1_in, x1_in);
+    lon_in_avg = avgval_double(n1_in, x1_in);
+      
+    for(j2=0; j2<ny2; j2++) for(i2=0; i2<nx2; i2++) {
+      int n_in, n_out;
+      double xarea;
+      n0 = j2*nx2p+i2; n1 = j2*nx2p+i2+1;
+      n2 = (j2+1)*nx2p+i2+1; n3 = (j2+1)*nx2p+i2;
+      x2_in[0] = lon_out[n0]; y2_in[0] = lat_out[n0];
+      x2_in[1] = lon_out[n1]; y2_in[1] = lat_out[n1];
+      x2_in[2] = lon_out[n2]; y2_in[2] = lat_out[n2];
+      x2_in[3] = lon_out[n3]; y2_in[3] = lat_out[n3];
+
+      lat_out_min = minval_double(4, y2_in);
+      lat_out_max = maxval_double(4, y2_in);
+      if(lat_out_min >= lat_in_max || lat_out_max <= lat_in_min ) continue;
+      n2_in = fix_lon(x2_in, y2_in, 4, lon_in_avg);
+      lon_out_min = minval_double(n2_in, x2_in);
+      lon_out_max = maxval_double(n2_in, x2_in);    
+
+      /* x2_in should in the same range as x1_in after lon_fix, so no need to
+	 consider cyclic condition
+      */
+      if(lon_out_min >= lon_in_max || lon_out_max <= lon_in_min ) continue;
+
+      if (  (n_out = clip_2dx2d( x1_in, y1_in, n1_in, x2_in, y2_in, n2_in, x_out, y_out )) > 0) {
+	xarea = poly_area (x_out, y_out, n_out ) * mask_in[j1*nx1+i1];	
+	min_area = min(area_in[j1*nx1+i1], area_out[j2*nx2+i2]);
+	if( xarea/min_area > AREA_RATIO_THRESH ) {
+	  xgrid_area[nxgrid] = xarea;
+	  xgrid_clon[nxgrid] = poly_ctrlon(x_out, y_out, n_out, lon_in_avg);
+	  xgrid_clat[nxgrid] = poly_ctrlat (x_out, y_out, n_out );
+	  i_in[nxgrid]       = i1;
+	  j_in[nxgrid]       = j1;
+	  i_out[nxgrid]      = i2;
+	  j_out[nxgrid]      = j2;
+	  ++nxgrid;
+	  if(nxgrid > MAXXGRID) error_handler("nxgrid is greater than MAXXGRID, increase MAXXGRID");
+	}
+      }
+    }
+  }
+
+  free(area_in);
+  free(area_out);  
+  
+  return nxgrid;
+  
+};/* get_xgrid_2Dx2D_order2 */
+
+/*******************************************************************************
+   Sutherland-Hodgeman algorithm sequentially clips parts outside 4 boundaries
+*******************************************************************************/
+
+int clip(const double lon_in[], const double lat_in[], int n_in, double ll_lon, double ll_lat,
+	 double ur_lon, double ur_lat, double lon_out[], double lat_out[])
+{
+  double x_tmp[MV], y_tmp[MV], x_last, y_last;
+  int i_in, i_out, n_out, inside_last, inside;
+
+  /* clip polygon with LEFT boundary - clip V_IN to V_TMP */
+  x_last = lon_in[n_in-1];
+  y_last = lat_in[n_in-1];
+  inside_last = (x_last >= ll_lon);
+  for (i_in=0,i_out=0;i_in<n_in;i_in++) {
+ 
+    /* if crossing LEFT boundary - output intersection */
+    if ((inside=(lon_in[i_in] >= ll_lon))!=inside_last) {
+      x_tmp[i_out] = ll_lon;
+      y_tmp[i_out++] = y_last + (ll_lon - x_last) * (lat_in[i_in] - y_last) / (lon_in[i_in] - x_last);
+    }
+
+    /* if "to" point is right of LEFT boundary, output it */
+    if (inside) {
+      x_tmp[i_out]   = lon_in[i_in];
+      y_tmp[i_out++] = lat_in[i_in];
+    }
+    x_last = lon_in[i_in];
+    y_last = lat_in[i_in];
+    inside_last = inside;
+  }
+  if (!(n_out=i_out)) return(0);
+
+  /* clip polygon with RIGHT boundary - clip V_TMP to V_OUT */
+  x_last = x_tmp[n_out-1];
+  y_last = y_tmp[n_out-1];
+  inside_last = (x_last <= ur_lon);
+  for (i_in=0,i_out=0;i_in<n_out;i_in++) {
+ 
+    /* if crossing RIGHT boundary - output intersection */
+    if ((inside=(x_tmp[i_in] <= ur_lon))!=inside_last) {
+      lon_out[i_out]   = ur_lon;
+      lat_out[i_out++] = y_last + (ur_lon - x_last) * (y_tmp[i_in] - y_last)
+                                                 / (x_tmp[i_in] - x_last);
+    }
+
+    /* if "to" point is left of RIGHT boundary, output it */
+    if (inside) {
+      lon_out[i_out]   = x_tmp[i_in];
+      lat_out[i_out++] = y_tmp[i_in];
+    }
+    
+    x_last = x_tmp[i_in];
+    y_last = y_tmp[i_in];
+    inside_last = inside;
+  }
+  if (!(n_out=i_out)) return(0);
+
+  /* clip polygon with BOTTOM boundary - clip V_OUT to V_TMP */
+  x_last = lon_out[n_out-1];
+  y_last = lat_out[n_out-1];
+  inside_last = (y_last >= ll_lat);
+  for (i_in=0,i_out=0;i_in<n_out;i_in++) {
+ 
+    /* if crossing BOTTOM boundary - output intersection */
+    if ((inside=(lat_out[i_in] >= ll_lat))!=inside_last) {
+      y_tmp[i_out]   = ll_lat;
+      x_tmp[i_out++] = x_last + (ll_lat - y_last) * (lon_out[i_in] - x_last) / (lat_out[i_in] - y_last);
+    }
+
+    /* if "to" point is above BOTTOM boundary, output it */
+    if (inside) {
+      x_tmp[i_out]   = lon_out[i_in];
+      y_tmp[i_out++] = lat_out[i_in];
+    }
+    x_last = lon_out[i_in];
+    y_last = lat_out[i_in];
+    inside_last = inside;
+  }
+  if (!(n_out=i_out)) return(0);
+
+  /* clip polygon with TOP boundary - clip V_TMP to V_OUT */
+  x_last = x_tmp[n_out-1];
+  y_last = y_tmp[n_out-1];
+  inside_last = (y_last <= ur_lat);
+  for (i_in=0,i_out=0;i_in<n_out;i_in++) {
+ 
+    /* if crossing TOP boundary - output intersection */
+    if ((inside=(y_tmp[i_in] <= ur_lat))!=inside_last) {
+      lat_out[i_out]   = ur_lat;
+      lon_out[i_out++] = x_last + (ur_lat - y_last) * (x_tmp[i_in] - x_last) / (y_tmp[i_in] - y_last);
+    }
+
+    /* if "to" point is below TOP boundary, output it */
+    if (inside) {
+      lon_out[i_out]   = x_tmp[i_in];
+      lat_out[i_out++] = y_tmp[i_in];
+    }
+    x_last = x_tmp[i_in];
+    y_last = y_tmp[i_in];
+    inside_last = inside;
+  }
+  return(i_out);
+}; /* clip */  
+
+
+/*******************************************************************************
+   Revise Sutherland-Hodgeman algorithm to find the vertices of the overlapping
+   between any two grid boxes. It return the number of vertices for the exchange grid.
+*******************************************************************************/
+
+int clip_2dx2d(const double lon1_in[], const double lat1_in[], int n1_in, 
+	 const double lon2_in[], const double lat2_in[], int n2_in, 
+	 double lon_out[], double lat_out[])
+{
+  double lon_tmp[MV], lat_tmp[MV];
+  double x1_0, y1_0, x1_1, y1_1, x2_0, y2_0, x2_1, y2_1;
+  double dx1, dy1, dx2, dy2, determ, ds1, ds2;
+  int i_out, n_out, inside_last, inside, i1, i2;
+
+  /* clip polygon with each boundary of the polygon */
+  /* We treat lon1_in/lat1_in as clip polygon and lon2_in/lat2_in as subject polygon */
+  n_out = n1_in;
+  for(i1=0; i1<n1_in; i1++) {
+    lon_tmp[i1] = lon1_in[i1];
+    lat_tmp[i1] = lat1_in[i1];
+  }
+  x2_0 = lon2_in[n2_in-1];
+  y2_0 = lat2_in[n2_in-1];
+  for(i2=0; i2<n2_in; i2++) {
+    x2_1 = lon2_in[i2];
+    y2_1 = lat2_in[i2];
+    x1_0 = lon_tmp[n_out-1];
+    y1_0 = lat_tmp[n_out-1];
+    inside_last = inside_edge( x2_0, y2_0, x2_1, y2_1, x1_0, y1_0);
+    for(i1=0, i_out=0; i1<n_out; i1++) {
+      x1_1 = lon_tmp[i1];
+      y1_1 = lat_tmp[i1];
+      if((inside = inside_edge(x2_0, y2_0, x2_1, y2_1, x1_1, y1_1)) != inside_last ) {
+        /* there is intersection, the line between <x1_0,y1_0> and  <x1_1,y1_1>
+           should not parallel to the line between <x2_0,y2_0> and  <x2_1,y2_1>
+           may need to consider truncation error */
+	dy1 = y1_1-y1_0;
+	dy2 = y2_1-y2_0;
+	dx1 = x1_1-x1_0;
+	dx2 = x2_1-x2_0;
+	ds1 = y1_0*x1_1 - y1_1*x1_0;
+	ds2 = y2_0*x2_1 - y2_1*x2_0;
+	determ = dy2*dx1 - dy1*dx2;
+        if(fabs(determ) < EPSLN) {
+	  error_handler("the line between <x1_0,y1_0> and  <x1_1,y1_1> should not parallel to "
+				     "the line between <x2_0,y2_0> and  <x2_1,y2_1>");
+	}
+	lon_out[i_out]   = (dx2*ds1 - dx1*ds2)/determ;
+	lat_out[i_out++] = (dy2*ds1 - dy1*ds2)/determ;
+	
+
+      }
+      if(inside) {
+	lon_out[i_out]   = x1_1;
+	lat_out[i_out++] = y1_1;	
+      }
+      x1_0 = x1_1;
+      y1_0 = y1_1;
+      inside_last = inside;
+    }
+    if(!(n_out=i_out)) return 0;
+    for(i1=0; i1<n_out; i1++) {
+      lon_tmp[i1] = lon_out[i1];
+      lat_tmp[i1] = lat_out[i1];
+    }
+    /* shift the starting point */
+    x2_0 = x2_1;
+    y2_0 = y2_1;
+  }
+  return(n_out);
+}; /* clip */
+    
+
+/*------------------------------------------------------------------------------
+  double poly_ctrlat(const double x[], const double y[], int n)
+  This routine is used to calculate the latitude of the centroid 
+   ---------------------------------------------------------------------------*/
+
+double poly_ctrlat(const double x[], const double y[], int n)
+{
+  double ctrlat = 0.0;
+  int    i;
+
+  for (i=0;i<n;i++) {
+    int ip = (i+1) % n;
+    double dx = (x[ip]-x[i]);
+    double dy, avg_y, hdy;
+    double lat1, lat2;
+    lat1 = y[ip];
+    lat2 = y[i];
+    dy = lat2 - lat1;
+    hdy = dy*0.5;
+    avg_y = (lat1+lat2)*0.5;
+    if      (dx==0.0) continue;
+    if(dx > M_PI)  dx = dx - 2.0*M_PI;
+    if(dx < -M_PI) dx = dx + 2.0*M_PI;
+
+    if ( fabs(hdy)< SMALL_VALUE ) /* cheap area calculation along latitude */
+      ctrlat -= dx*(2*cos(avg_y) + lat2*sin(avg_y) - cos(lat1) );
+    else 
+      ctrlat -= dx*( (sin(hdy)/hdy)*(2*cos(avg_y) + lat2*sin(avg_y)) - cos(lat1) );
+  }
+  return (ctrlat*RADIUS*RADIUS);
+}; /* poly_ctrlat */        
+
+/*------------------------------------------------------------------------------
+  double poly_ctrlon(const double x[], const double y[], int n, double clon)
+  This routine is used to calculate the lontitude of the centroid.
+   ---------------------------------------------------------------------------*/
+double poly_ctrlon(const double x[], const double y[], int n, double clon)
+{
+  double ctrlon = 0.0;
+  int    i;
+
+  clon = clon;
+  for (i=0;i<n;i++) {
+    int ip = (i+1) % n;
+    double phi1, phi2, dphi, lat1, lat2, dphi1, dphi2;
+    double f1, f2, fac, fint;
+    phi1   = x[ip];
+    phi2   = x[i];
+    lat1 = y[ip];
+    lat2 = y[i];    
+    dphi   = phi1 - phi2;
+    
+    if      (dphi==0.0) continue;
+
+    f1 = 0.5*(cos(lat1)*sin(lat1)+lat1);
+    f2 = 0.5*(cos(lat2)*sin(lat2)+lat2);
+
+     /* this will make sure longitude of centroid is at 
+        the same interval as the center of any grid */  
+    if(dphi > M_PI)  dphi = dphi - 2.0*M_PI;
+    if(dphi < -M_PI) dphi = dphi + 2.0*M_PI;
+    dphi1 = phi1 - clon;
+    if( dphi1 > M_PI) dphi1 -= 2.0*M_PI;
+    if( dphi1 <-M_PI) dphi1 += 2.0*M_PI;
+    dphi2 = phi2 -clon;
+    if( dphi2 > M_PI) dphi2 -= 2.0*M_PI;
+    if( dphi2 <-M_PI) dphi2 += 2.0*M_PI;    
+
+    if(abs(dphi2 -dphi1) < M_PI) {
+      ctrlon -= dphi * (dphi1*f1+dphi2*f2)/2.0;
+    }
+    else {
+      if(dphi1 > 0.0)
+	fac = M_PI;
+      else
+	fac = -M_PI;
+      fint = f1 + (f2-f1)*(fac-dphi1)/abs(dphi);
+      ctrlon -= 0.5*dphi1*(dphi1-fac)*f1 - 0.5*dphi2*(dphi2+fac)*f2
+	+ 0.5*fac*(dphi1+dphi2)*fint;
+	}
+    
+  }
+  return (ctrlon*RADIUS*RADIUS);
+};   /* poly_ctrlon */
+
+/* -----------------------------------------------------------------------------
+   double box_ctrlat(double ll_lon, double ll_lat, double ur_lon, double ur_lat)
+   This routine is used to calculate the latitude of the centroid.
+   ---------------------------------------------------------------------------*/
+double box_ctrlat(double ll_lon, double ll_lat, double ur_lon, double ur_lat)
+{
+  double dphi = ur_lon-ll_lon;
+  double ctrlat;
+  
+  if(dphi > M_PI)  dphi = dphi - 2.0*M_PI;
+  if(dphi < -M_PI) dphi = dphi + 2.0*M_PI;
+  ctrlat = dphi*(cos(ur_lat) + ur_lat*sin(ur_lat)-(cos(ll_lat) + ll_lat*sin(ll_lat)));
+  return (ctrlat*RADIUS*RADIUS); 
+}; /* box_ctrlat */
+
+/*------------------------------------------------------------------------------
+  double box_ctrlon(double ll_lon, double ll_lat, double ur_lon, double ur_lat, double clon)
+  This routine is used to calculate the lontitude of the centroid 
+   ----------------------------------------------------------------------------*/
+double box_ctrlon(double ll_lon, double ll_lat, double ur_lon, double ur_lat, double clon)
+{
+  double phi1, phi2, dphi, lat1, lat2, dphi1, dphi2;
+  double f1, f2, fac, fint;  
+  double ctrlon  = 0.0;
+  int i;
+  clon = clon;  
+  for( i =0; i<2; i++) {
+    if(i == 0) {
+      phi1 = ur_lon;
+      phi2 = ll_lon;
+      lat1 = lat2 = ll_lat;
+    }
+    else {
+      phi1 = ll_lon;
+      phi2 = ur_lon;
+      lat1 = lat2 = ur_lat;
+    }
+    dphi   = phi1 - phi2;
+    f1 = 0.5*(cos(lat1)*sin(lat1)+lat1);
+    f2 = 0.5*(cos(lat2)*sin(lat2)+lat2);
+
+    if(dphi > M_PI)  dphi = dphi - 2.0*M_PI;
+    if(dphi < -M_PI) dphi = dphi + 2.0*M_PI;
+    /* make sure the center is in the same grid box. */
+    dphi1 = phi1 - clon;
+    if( dphi1 > M_PI) dphi1 -= 2.0*M_PI;
+    if( dphi1 <-M_PI) dphi1 += 2.0*M_PI;
+    dphi2 = phi2 -clon;
+    if( dphi2 > M_PI) dphi2 -= 2.0*M_PI;
+    if( dphi2 <-M_PI) dphi2 += 2.0*M_PI;    
+
+    if(abs(dphi2 -dphi1) < M_PI) {
+      ctrlon -= dphi * (dphi1*f1+dphi2*f2)/2.0;
+    }
+    else {
+      if(dphi1 > 0.0)
+	fac = M_PI;
+      else
+	fac = -M_PI;
+      fint = f1 + (f2-f1)*(fac-dphi1)/abs(dphi);
+      ctrlon -= 0.5*dphi1*(dphi1-fac)*f1 - 0.5*dphi2*(dphi2+fac)*f2
+	+ 0.5*fac*(dphi1+dphi2)*fint;
+    }
+  }
+  return (ctrlon*RADIUS*RADIUS);    
+} /* box_ctrlon */
+
+/*******************************************************************************
+  double grid_box_radius(double *x, double *y, double *z, int n);
+  Find the radius of the grid box, the radius is defined the
+  maximum distance between any two vertices
+*******************************************************************************/ 
+double grid_box_radius(const double *x, const double *y, const double *z, int n)
+{
+  double radius;
+  int i, j;
+  
+  radius = 0;
+  for(i=0; i<n-1; i++) {
+    for(j=i+1; j<n; j++) {
+      radius = max(radius, pow(x[i]-x[j],2.)+pow(y[i]-y[j],2.)+pow(z[i]-z[j],2.));
+    }
+  }
+  
+  radius = sqrt(radius);
+
+  return (radius);
+  
+}; /* grid_box_radius */
+
+/*******************************************************************************
+  double dist_between_boxes(const double *x1, const double *y1, const double *z1, int n1,
+			    const double *x2, const double *y2, const double *z2, int n2);
+  Find the distance between any two grid boxes. The distance is defined by the maximum
+  distance between any vertices of these two box
+*******************************************************************************/
+double dist_between_boxes(const double *x1, const double *y1, const double *z1, int n1,
+			  const double *x2, const double *y2, const double *z2, int n2)
+{
+  double dist;
+  int i, j;
+
+  for(i=0; i<n1; i++) {
+    for(j=0; j<n2; j++) {   
+      dist = max(dist, pow(x1[i]-x2[j],2.)+pow(y1[i]-y2[j],2.)+pow(z1[i]-z2[j],2.));
+    }
+  }
+
+  dist = sqrt(dist);
+  return (dist);
+
+}; /* dist_between_boxes */
+
+/*******************************************************************************
+ int inside_edge(double x0, double y0, double x1, double y1, double x, double y)
+ determine a point(x,y) is inside or outside a given edge with vertex,
+ (x0,y0) and (x1,y1). return 1 if inside and 0 if outside. <y1-y0, -(x1-x0)> is
+ the outward edge normal from vertex <x0,y0> to <x1,y1>. <x-x0,y-y0> is the vector
+ from <x0,y0> to <x,y>. 
+ if Inner produce <x-x0,y-y0>*<y1-y0, -(x1-x0)> > 0, outside, otherwise inside.
+ inner product value = 0 also treate as inside.
+*******************************************************************************/
+ int inside_edge(double x0, double y0, double x1, double y1, double x, double y)
+ {
+   const double SMALL = 1.e-12;
+   double product;
+   
+   product = ( x-x0 )*(y1-y0) + (x0-x1)*(y-y0);
+   return (product<=SMALL) ? 1:0;
+   
+ }; /* inside_edge */
+
diff --git a/gridspec_tools_20080702/shared/mosaic/create_xgrid.h b/gridspec_tools_20080702/shared/mosaic/create_xgrid.h
new file mode 100644
index 0000000..629ea59
--- /dev/null
+++ b/gridspec_tools_20080702/shared/mosaic/create_xgrid.h
@@ -0,0 +1,43 @@
+#ifndef CREATE_XGRID_H_
+#define CREATE_XGRID_H_
+#define MAXXGRID 1e7
+#define MV 50
+/* this value is small compare to earth area */
+
+double poly_ctrlon(const double lon[], const double lat[], int n, double clon);
+double poly_ctrlat(const double lon[], const double lat[], int n);
+double box_ctrlon(double ll_lon, double ll_lat, double ur_lon, double ur_lat, double clon);
+double box_ctrlat(double ll_lon, double ll_lat, double ur_lon, double ur_lat);
+int get_maxxgrid(void);
+void get_grid_area(const int *nlon, const int *nlat, const double *lon, const double *lat, double *area);
+void get_grid_area_no_adjust(const int *nlon, const int *nlat, const double *lon, const double *lat, double *area);
+int clip(const double lon_in[], const double lat_in[], int n_in, double ll_lon, double ll_lat,
+	 double ur_lon, double ur_lat, double lon_out[], double lat_out[]);
+int clip_2dx2d(const double lon1_in[], const double lat1_in[], int n1_in, 
+	       const double lon2_in[], const double lat2_in[], int n2_in, 
+	       double lon_out[], double lat_out[]);
+int create_xgrid_1dx2d_order1(const int *nlon_in, const int *nlat_in, const int *nlon_out, const int *nlat_out, const double *lon_in,
+			      const double *lat_in, const double *lon_out, const double *lat_out,
+			      const double *mask_in, int *i_in, int *j_in, int *i_out,
+			      int *j_out, double *xgrid_area);
+int create_xgrid_1dx2d_order2(const int *nlon_in, const int *nlat_in, const int *nlon_out, const int *nlat_out,
+			      const double *lon_in, const double *lat_in, const double *lon_out, const double *lat_out,
+			      const double *mask_in, int *i_in, int *j_in, int *i_out, int *j_out,
+			      double *xgrid_area, double *xgrid_clon, double *xgrid_clat);
+int create_xgrid_2dx1d_order1(const int *nlon_in, const int *nlat_in, const int *nlon_out, const int *nlat_out, const double *lon_in,
+			      const double *lat_in, const double *lon_out, const double *lat_out,
+			      const double *mask_in, int *i_in, int *j_in, int *i_out,
+			      int *j_out, double *xgrid_area);
+int create_xgrid_2dx1d_order2(const int *nlon_in, const int *nlat_in, const int *nlon_out, const int *nlat_out,
+			      const double *lon_in, const double *lat_in, const double *lon_out, const double *lat_out,
+			      const double *mask_in, int *i_in, int *j_in, int *i_out, int *j_out,
+			      double *xgrid_area, double *xgrid_clon, double *xgrid_clat);
+int create_xgrid_2dx2d_order1(const int *nlon_in, const int *nlat_in, const int *nlon_out, const int *nlat_out,
+			      const double *lon_in, const double *lat_in, const double *lon_out, const double *lat_out,
+			      const double *mask_in, int *i_in, int *j_in, int *i_out,
+			      int *j_out, double *xgrid_area);
+int create_xgrid_2dx2d_order2(const int *nlon_in, const int *nlat_in, const int *nlon_out, const int *nlat_out,
+			      const double *lon_in, const double *lat_in, const double *lon_out, const double *lat_out,
+			      const double *mask_in, int *i_in, int *j_in, int *i_out, int *j_out,
+			      double *xgrid_area, double *xgrid_clon, double *xgrid_clat);
+#endif
diff --git a/gridspec_tools_20080702/shared/mosaic/gradient_c2l.c b/gridspec_tools_20080702/shared/mosaic/gradient_c2l.c
new file mode 100644
index 0000000..b246fad
--- /dev/null
+++ b/gridspec_tools_20080702/shared/mosaic/gradient_c2l.c
@@ -0,0 +1,435 @@
+#include <math.h>
+#include <stdlib.h>
+#include "constant.h"
+#include "mosaic_util.h"
+#include "gradient_c2l.h"
+#include <stdio.h>
+void a2b_ord2(int nx, int ny, const double *qin, const double *edge_w, const double *edge_e,
+	      const double *edge_s, const double *edge_n, double *qout,
+	      int on_west_edge, int on_east_edge, int on_south_edge, int on_north_edge);
+
+
+/*------------------------------------------------------------------------------
+  Routine to compute gradient terms for SCRIP:
+  SJL: Oct 5, 2007
+  NOTe: pin has halo size = 1.
+  the size of pin    will be (nx+2,ny+2), T-cell center, with halo = 1
+  the size of dx     will be (nx, ny+1),  N-cell center
+  the size of dy     will be (nx+1, ny),  E-cell center
+  the size of area   will be (nx, ny),    T-cell center.
+  The size of edge_w will be (ny+1),      C-cell center
+  The size of edge_e will be (ny+1),      C-cell center
+  The size of edge_s will be (nx+1),      C-cell center
+  The size of edge_n will be (nx+1),      C-cell center
+  The size of en_n   will be (nx, ny+1,3),N-cell center
+  The size of en_e   will be (nx+1,ny,3), E-cell center
+  The size of vlon   will be (nx, ny, 3)  T-cell center
+  The size of vlat   will be (nx, ny, 3), T-cell center
+  ----------------------------------------------------------------------------*/
+void grad_c2l_(const int *nlon, const int *nlat, const double *pin, const double *dx, const double *dy, const double *area,
+	       const double *edge_w, const double *edge_e, const double *edge_s, const double *edge_n,
+	       const double *en_n, const double *en_e, const double *vlon, const double *vlat,
+	       double *grad_x, double *grad_y, const int *on_west_edge, const int *on_east_edge,
+	       const int *on_south_edge, const int *on_north_edge)
+{
+  grad_c2l(nlon, nlat, pin, dx, dy, area, edge_w, edge_e, edge_s, edge_n, en_n, en_e, vlon, vlat, grad_x, grad_y,
+	   on_west_edge, on_east_edge, on_south_edge, on_north_edge);
+}
+  
+void grad_c2l(const int *nlon, const int *nlat, const double *pin, const double *dx, const double *dy, const double *area,
+	      const double *edge_w, const double *edge_e, const double *edge_s, const double *edge_n,
+	      const double *en_n, const double *en_e, const double *vlon, const double *vlat,
+	      double *grad_x, double *grad_y, const int *on_west_edge, const int *on_east_edge,
+	      const int *on_south_edge, const int *on_north_edge)
+{
+
+  double *pb, *pdx, *pdy, *grad3;
+  int nx, ny, nxp, nyp, i, j, m0, m1, m2, n;
+
+  nx    = *nlon;
+  ny    = *nlat;
+  nxp   = nx+1;
+  nyp   = ny+1;
+  pb    = (double *)malloc(nxp*nyp*sizeof(double));
+  pdx   = (double *)malloc(3*nx*(ny+1)*sizeof(double));
+  pdy   = (double *)malloc(3*(nx+1)*ny*sizeof(double));
+  grad3 = (double *)malloc(3*nx*ny*sizeof(double));
+  a2b_ord2(nx, ny, pin, edge_w, edge_e, edge_s, edge_n, pb, *on_west_edge, *on_east_edge,*on_south_edge, *on_north_edge);
+  
+  for(j=0; j<nyp; j++) for(i=0; i<nx; i++) {
+    m0 = j*nx+i;
+    m1 = j*nxp+i;
+    for(n=0; n<3; n++) {
+      pdx[3*m0+n] = 0.5*(pb[m1]+pb[m1+1])*dx[m0]*en_n[3*m0+n];
+    }
+  }
+
+  for(j=0; j<ny; j++) for(i=0; i<nxp; i++) {
+    m0 = j*nxp+i;
+    for(n=0; n<3; n++) {
+      pdy[3*m0+n] = 0.5*(pb[m0]+pb[m0+nxp])*dy[m0]*en_e[3*m0+n];
+    }
+  }
+
+  /* Compute 3D grad of the input scalar field  by Green's theorem */
+  for(j=0; j<ny; j++) for(i=0; i<nx; i++) {
+    m0 = 3*(j*nx+i);
+    for(n=0; n<3; n++) {
+      grad3[m0+n] = pdx[3*((j+1)*nx+i)+n]-pdx[m0+n]-pdy[3*(j*nxp+i)+n]+pdy[3*(j*nxp+i+1)+n];
+    }
+  }
+
+  /* Compute inner product: V3 * grad (pe) */
+  for(j=0; j<ny; j++) for(i=0; i<nx; i++) {
+    m0 = j*nx+i;
+    m1 = 3*m0;
+    /* dq / d(Lamda)*/
+    grad_x[m0] = (vlon[m1]*grad3[m1] + vlon[m1+1]*grad3[m1+1] + vlon[m1+2]*grad3[m1+2])/area[m0];
+    grad_x[m0] *= RADIUS;
+    /* dq / d(theta) */
+    grad_y[m0] = (vlat[m1]*grad3[m1] + vlat[m1+1]*grad3[m1+1] + vlat[m1+2]*grad3[m1+2] )/area[m0];
+    grad_y[m0] *= RADIUS;
+  }
+
+  free(pb);
+  free(pdx);
+  free(pdy);
+  free(grad3);
+  
+}; /* grad_c2l */
+
+/*------------------------------------------------------------------------------
+  qin:  A-grid field, size (nx+2, ny+2)
+  qout: B-grid field, size (nx+1, ny+1)
+  ----------------------------------------------------------------------------*/
+void a2b_ord2(int nx, int ny, const double *qin, const double *edge_w, const double *edge_e,
+	      const double *edge_s, const double *edge_n, double *qout,
+	      int on_west_edge, int on_east_edge, int on_south_edge, int on_north_edge)
+{
+  int    nxp, nyp, i, j;
+  int    istart, iend, jstart, jend;
+  double *q1, *q2;
+  const double r3 = 1./3.;
+
+  nxp = nx+1;
+  nyp = ny+1;
+  q1 = (double *)malloc((nx+2)*sizeof(double));
+  q2 = (double *)malloc((ny+2)*sizeof(double));
+
+  
+  if(on_west_edge)
+    istart = 1;
+  else
+    istart = 0;
+  if(on_east_edge)
+    iend = nx;
+  else
+    iend = nxp;
+  if(on_south_edge)
+    jstart = 1;
+  else
+    jstart = 0;
+  if(on_north_edge)
+    jend = ny;
+  else
+    jend = nyp;
+  
+  /* internal region ( 1: nx-1, 1:ny-1) */
+  for(j=jstart; j<jend; j++) for(i=istart; i<iend; i++) {
+    qout[j*nxp+i] = 0.25*(qin[j*(nx+2)+i] + qin[j*(nx+2)+i+1] +
+			  qin[(j+1)*(nx+2)+i] + qin[(j+1)*(nx+2)+i+1] );
+  }
+
+  /* Fix the 4 Corners */
+  if(on_west_edge && on_south_edge)qout[        0] = r3*(qin[1* (nx+2)+1 ]+qin[1* (nx+2)    ]+qin[             1]); /* sw_corner */
+  if(on_east_edge && on_south_edge)qout[       nx] = r3*(qin[1* (nx+2)+nx]+qin[          nx ]+qin[1*  (nx+2)+nxp]); /* se_corner */
+  if(on_east_edge && on_north_edge)qout[ny*nxp+nx] = r3*(qin[ny*(nx+2)+nx]+qin[ny*(nx+2)+nxp]+qin[nyp*(nx+2)+nx ]); /* ne_corner */
+  if(on_west_edge && on_north_edge)qout[ny*nxp   ] = r3*(qin[ny*(nx+2)+1 ]+qin[ny*(nx+2)    ]+qin[nyp*(nx+2)+1  ]); /* nw_corner */
+  
+  /* West Edges */
+  if(on_west_edge) {
+    for(j=jstart; j<=jend; j++) q2[j] = 0.5*(qin[j*(nx+2)] + qin[j*(nx+2)+1]);
+    for(j=jstart; j<jend; j++) qout[j*nxp] = edge_w[j]*q2[j] + (1-edge_w[j])*q2[j+1];
+  }
+  
+  /* East Edges */
+  if(on_east_edge) {  
+    for(j=jstart; j<=jend; j++)q2[j] = 0.5*(qin[j*(nx+2)+nx] + qin[j*(nx+2)+nxp]);
+    for(j=jstart; j<jend; j++) qout[j*nxp+nx] = edge_e[j]*q2[j] + (1-edge_e[j])*q2[j+1];
+  }
+  
+  /* south edge */
+  if(on_south_edge) {  
+    for(i=istart; i<=iend; i++) q1[i] = 0.5*(qin[i] + qin[(nx+2)+i]);
+    for(i=istart; i<iend; i++) qout[i] = edge_s[i]*q1[i] + (1 - edge_s[i])*q1[i+1];
+  }
+  
+  /* north edge */
+  if(on_north_edge) {  
+     for(i=istart; i<=iend; i++) q1[i] = 0.5*(qin[ny*(nx+2)+i] + qin[nyp*(nx+2)+i]);
+     for(i=istart; i<iend; i++) qout[ny*nxp+i] = edge_n[i]*q1[i] + (1 - edge_n[i])*q1[i+1];  
+  }
+  
+}; /* a2b_ord2 */
+
+
+void get_edge(int nx, int ny, const double *lont, const double *latt,
+	      const double *lonc, const double *latc, double *edge_w, double *edge_e, double *edge_s, double *edge_n,
+	      int on_west_edge, int on_east_edge, int on_south_edge, int on_north_edge)
+{
+  int i, j, nxp, nyp;
+  int istart, iend, jstart, jend;
+  double p1[2], p2[2];
+  double *py, *px;
+  double d1, d2;
+  
+  nxp = nx + 1;
+  nyp = ny + 1;
+
+  for(i=0; i<nxp; i++) {
+    edge_s[i] = 0.5; /* dummy value */
+    edge_n[i] = 0.5; /* dummy value */
+  }
+  for(j=0; j<nyp; j++) {
+    edge_w[j] = 0.5; /* dummy value */
+    edge_e[j] = 0.5; /* dummy value */
+  }  
+    
+  px = (double *)malloc(2*(nx+2)*sizeof(double));
+  py = (double *)malloc(2*(ny+2)*sizeof(double));
+
+  if(on_west_edge)
+    istart = 1;
+  else
+    istart = 0;
+  if(on_east_edge)
+    iend = nx;
+  else
+    iend = nxp;
+  if(on_south_edge)
+    jstart = 1;
+  else
+    jstart = 0;
+  if(on_north_edge)
+    jend = ny;
+  else
+    jend = nyp;  
+  /* west edge */
+
+  if(on_west_edge) {
+    i=0;
+    for(j=jstart; j<=jend; j++) {
+      /* get mid point sphere */
+      p1[0] = lont[j*(nx+2)+i  ]; p1[1] = latt[j*(nx+2)+i  ];
+      p2[0] = lont[j*(nx+2)+i+1]; p2[1] = latt[j*(nx+2)+i+1];
+      mid_pt_sphere(p1, p2, &(py[2*j]));
+    }    
+    
+    for(j=jstart; j<jend; j++) {
+      p1[0] = lonc[j*nxp+i];
+      p1[1] = latc[j*nxp+i];
+      d1 = great_circle_distance(py+2*j, p1);
+      d2 = great_circle_distance(py+2*(j+1), p1);
+      edge_w[j] = d2/(d1+d2);
+    }
+  }
+  /* east edge */
+  if(on_east_edge) {  
+    i=nx;
+    for(j=jstart; j<=jend; j++) {
+      /* get mid point sphere */
+      p1[0] = lont[j*(nx+2)+i  ]; p1[1] = latt[j*(nx+2)+i  ];
+      p2[0] = lont[j*(nx+2)+i+1]; p2[1] = latt[j*(nx+2)+i+1];
+      mid_pt_sphere(p1, p2, &(py[2*j]));
+    }    
+    
+    for(j=jstart; j<jend; j++) {
+      p1[0] = lonc[j*nxp+i];
+      p1[1] = latc[j*nxp+i];
+      d1 = great_circle_distance(&(py[2*j]), p1);
+      d2 = great_circle_distance(&(py[2*(j+1)]), p1);
+      edge_e[j] = d2/(d1+d2);
+    }  
+  }
+  
+  /* south edge */
+  if(on_south_edge) {
+    j=0;
+    for(i=istart; i<=iend; i++) {
+      p1[0] = lont[j    *(nx+2)+i]; p1[1] = latt[j    *(nx+2)+i];
+      p2[0] = lont[(j+1)*(nx+2)+i]; p2[1] = latt[(j+1)*(nx+2)+i];
+      mid_pt_sphere(p1, p2, &(px[2*i]));
+    }
+    for(i=istart; i<iend; i++) {
+      p1[0] = lonc[j*nxp+i];
+      p1[1] = latc[j*nxp+i];
+      d1 = great_circle_distance(&(px[2*i]), p1);
+      d2 = great_circle_distance(&(px[2*(i+1)]), p1);
+      edge_s[i] = d2/(d1+d2);
+    }
+  }
+  /* north edge */
+  if(on_north_edge) {
+    j=ny;
+    for(i=istart; i<=iend; i++) {
+      p1[0] = lont[j    *(nx+2)+i]; p1[1] = latt[j    *(nx+2)+i];
+      p2[0] = lont[(j+1)*(nx+2)+i]; p2[1] = latt[(j+1)*(nx+2)+i];
+      mid_pt_sphere(p1, p2, &(px[2*i]));
+    }
+    for(i=istart; i<iend; i++) {
+      p1[0] = lonc[j*nxp+i];
+      p1[1] = latc[j*nxp+i];
+      d1 = great_circle_distance(&(px[2*i]), p1);
+      d2 = great_circle_distance(&(px[2*(i+1)]), p1);
+      edge_n[i] = d2/(d1+d2);
+    }  
+  }
+  
+  free(px);
+  free(py);
+  
+}; /* get_edge */
+
+void mid_pt_sphere(const double *p1, const double *p2, double *pm)
+{
+  double e1[3], e2[3], e3[3];
+
+  latlon2xyz(1, p1, p1+1, e1, e1+1, e1+2);
+  latlon2xyz(1, p2, p2+1, e2, e2+1, e2+2);
+  mid_pt3_cart(e1, e2, e3);
+  xyz2latlon(1, e3, e3+1, e3+2, pm, pm+1);
+
+}
+
+void mid_pt3_cart(const double *p1, const double *p2, double *e)
+{
+  double dd;
+
+  e[0] = p1[0] + p2[0];
+  e[1] = p1[1] + p2[1];
+  e[2] = p1[2] + p2[2];
+  dd = sqrt( e[0]*e[0] + e[1]*e[1] + e[2]*e[2] );
+  e[0] /= dd;
+  e[1] /= dd;
+  e[2] /= dd;
+}
+
+/**********************************************************************************************
+  This routine is used to calculate grid information for second order conservative interpolation
+  from cubic grid to other grid
+  the size of xt     will be (nx+2,ny+2), T-cell center, with halo = 1
+  the size of yt     will be (nx+2,ny+2), T-cell center, with halo = 1
+  the size of xc     will be (nx+1,ny+1), C-cell center
+  the size of yc     will be (nx+1,ny+1), C-cell center
+  the size of dx     will be (nx, ny+1),  N-cell center
+  the size of dy     will be (nx+1, ny),  E-cell center
+  the size of area   will be (nx, ny),    T-cell center.
+  The size of edge_w will be (ny-1),      C-cell center, without two end point
+  The size of edge_e will be (ny-1),      C-cell center, without two end point
+  The size of edge_s will be (nx-1),      C-cell center, without two end point
+  The size of edge_n will be (nx-1),      C-cell center, without two end point
+  The size of en_n   will be (nx, ny+1,3),N-cell center
+  The size of en_e   will be (nx+1,ny,3), E-cell center
+  The size of vlon   will be (nx, ny)     T-cell center
+  The size of vlat   will be (nx, ny),    T-cell center
+**********************************************************************************************/
+void calc_c2l_grid_info_(int *nx_pt, int *ny_pt, const double *xt, const double *yt, const double *xc, const double *yc,
+		         double *dx, double *dy, double *area, double *edge_w, double *edge_e, double *edge_s,
+		         double *edge_n, double *en_n, double *en_e, double *vlon, double *vlat,
+			int *on_west_edge, int *on_east_edge, int *on_south_edge, int *on_north_edge)
+{
+    calc_c2l_grid_info(nx_pt, ny_pt, xt, yt, xc, yc, dx, dy, area, edge_w, edge_e, edge_s, edge_n,
+		       en_n, en_e, vlon, vlat, on_west_edge, on_east_edge, on_south_edge, on_north_edge);
+
+}
+
+void calc_c2l_grid_info(int *nx_pt, int *ny_pt, const double *xt, const double *yt, const double *xc, const double *yc,
+		        double *dx, double *dy, double *area, double *edge_w, double *edge_e, double *edge_s,
+		        double *edge_n, double *en_n, double *en_e, double *vlon, double *vlat,
+			int *on_west_edge, int *on_east_edge, int *on_south_edge, int *on_north_edge)
+{
+  double *x, *y, *z, *xt_tmp, *yt_tmp;
+  int    nx, ny, nxp, nyp, i, j;
+  double p1[3], p2[3], p3[3], p4[3];
+
+
+  nx  = *nx_pt;
+  ny  = *ny_pt;
+  nxp = nx+1;
+  nyp = ny+1;
+
+  for(j=0; j<nyp; j++) for(i=0; i<nx; i++) {
+    p1[0] = xc[j*nxp+i];
+    p1[1] = yc[j*nxp+i];
+    p2[0] = xc[j*nxp+i+1];
+    p2[1] = yc[j*nxp+i+1];
+    dx[j*nx+i] = great_circle_distance(p1, p2);
+  }
+
+  for(j=0; j<ny; j++) for(i=0; i<nxp; i++) {
+    p1[0] = xc[j*nxp+i];
+    p1[1] = yc[j*nxp+i];
+    p2[0] = xc[(j+1)*nxp+i];
+    p2[1] = yc[(j+1)*nxp+i];
+    dy[j*nxp+i] = great_circle_distance(p1, p2);
+  }
+  
+  for(j=0; j<ny; j++) for(i=0; i<nx; i++) {
+    p1[0] = xc[j*nxp+i];       /* ll lon */
+    p1[1] = yc[j*nxp+i];       /* ll lat */
+    p2[0] = xc[(j+1)*nxp+i];   /* ul lon */
+    p2[1] = yc[(j+1)*nxp+i];   /* ul lat */
+    p3[0] = xc[j*nxp+i+1];     /* lr lon */
+    p3[1] = yc[j*nxp+i+1];     /* lr lat */
+    p4[0] = xc[(j+1)*nxp+i+1]; /* ur lon */
+    p4[1] = yc[(j+1)*nxp+i+1]; /* ur lat */	
+    area[j*nx+i] = spherical_excess_area(p1, p2, p3, p4, RADIUS);
+  }
+
+  x = (double *)malloc(nxp*nyp*sizeof(double));
+  y = (double *)malloc(nxp*nyp*sizeof(double));
+  z = (double *)malloc(nxp*nyp*sizeof(double));
+  
+  latlon2xyz(nxp*nyp, xc, yc, x, y, z);
+  for(j=0; j<nyp; j++) for(i=0; i<nx; i++) {
+    p1[0] = x[j*nxp+i];
+    p1[1] = y[j*nxp+i];
+    p1[2] = z[j*nxp+i];
+    p2[0] = x[j*nxp+i+1];
+    p2[1] = y[j*nxp+i+1];
+    p2[2] = z[j*nxp+i+1];
+    vect_cross(p1, p2, en_n+3*(j*nx+i) );
+    normalize_vect(en_n+3*(j*nx+i));
+  }
+
+  for(j=0; j<ny; j++) for(i=0; i<nxp; i++) {
+    p2[0] = x[j*nxp+i];
+    p2[1] = y[j*nxp+i];
+    p2[2] = z[j*nxp+i];
+    p1[0] = x[(j+1)*nxp+i];
+    p1[1] = y[(j+1)*nxp+i];
+    p1[2] = z[(j+1)*nxp+i];
+    vect_cross(p1, p2, en_e+3*(j*nxp+i) );
+    normalize_vect(en_e+3*(j*nxp+i));
+  }  
+  
+  xt_tmp = (double *)malloc(nx*ny*sizeof(double));
+  yt_tmp = (double *)malloc(nx*ny*sizeof(double));
+  for(j=0; j<ny; j++)for(i=0; i<nx; i++) {
+    xt_tmp[j*nx+i] = xt[(j+1)*(nx+2)+i+1];
+    yt_tmp[j*nx+i] = yt[(j+1)*(nx+2)+i+1];
+  }  
+  unit_vect_latlon(nx*ny, xt_tmp, yt_tmp, vlon, vlat);
+  get_edge(nx, ny, xt, yt, xc, yc, edge_w, edge_e, edge_s, edge_n, *on_west_edge, *on_east_edge,
+	   *on_south_edge, *on_north_edge);
+
+  free(x);
+  free(y);
+  free(z);
+  free(xt_tmp);
+  free(yt_tmp);
+  
+}
+
+
+
diff --git a/gridspec_tools_20080702/shared/mosaic/gradient_c2l.h b/gridspec_tools_20080702/shared/mosaic/gradient_c2l.h
new file mode 100644
index 0000000..e68440a
--- /dev/null
+++ b/gridspec_tools_20080702/shared/mosaic/gradient_c2l.h
@@ -0,0 +1,17 @@
+#ifndef GRADIENT_H_
+#define GRADIENT_H_
+void grad_c2l(const int *nlon, const int *nlat, const double *pin, const double *dx, const double *dy, const double *area,
+	      const double *edge_w, const double *edge_e, const double *edge_s, const double *edge_n,
+	      const double *en_n, const double *en_e, const double *vlon, const double *vlat,
+	      double *grad_x, double *grad_y, const int *on_west_edge, const int *on_east_edge,
+	      const int *on_south_edge, const int *on_north_edge);
+void calc_c2l_grid_info(int *nx_pt, int *ny_pt, const double *xt, const double *yt, const double *xc, const double *yc,
+		        double *dx, double *dy, double *area, double *edge_w, double *edge_e, double *edge_s,
+		        double *edge_n, double *en_n, double *en_e, double *vlon, double *vlat,
+                        int *on_west_edge, int *on_east_edge, int *on_south_edge, int *on_north_edge);
+void get_edge(int nx, int ny, const double *lont, const double *latt,
+	      const double *lonc, const double *latc, double *edge_w, double *edge_e, double *edge_s, double *edge_n,
+              int on_west_edge, int on_east_edge, int on_south_edge, int on_north_edge );
+void mid_pt_sphere(const double *p1, const double *p2, double *pm);
+void mid_pt3_cart(const double *p1, const double *p2, double *e);
+#endif
diff --git a/gridspec_tools_20080702/shared/mosaic/interp.c b/gridspec_tools_20080702/shared/mosaic/interp.c
new file mode 100644
index 0000000..97deb59
--- /dev/null
+++ b/gridspec_tools_20080702/shared/mosaic/interp.c
@@ -0,0 +1,152 @@
+#include <stdlib.h>
+#include <math.h>
+#include "mosaic_util.h"
+#include "interp.h"
+#include "create_xgrid.h"
+
+/*********************************************************************
+   void cublic_spline(size1, size2, grid1, grid2, data1, data2, yp1, ypn  )
+
+   This alborithm is to get an interpolation formula that is smooth in the first
+   derivative, and continuous in the second derivative, both within an interval
+   and its boundaries. It will be used to interpolation data in 1-D space.
+
+   INPUT Arguments:
+    grid1:    grid for input data grid.          
+    grid2:    grid for output data grid.         
+    size1:    size of input grid.                
+    size2:    size of output grid.               
+    data1:    input data associated with grid1.
+    yp1:      first derivative of starting point.
+              Set to 0 to be "natural"           (INPUT)
+    ypn:      first derivative of ending point.
+              Set to 0 to be "natural"           (INPUT)
+
+   OUTPUT ARGUMENTS:
+    data2:    output data associated with grid2. (OUTPUT)
+
+*********************************************************************/
+
+void cubic_spline(int size1, int size2, const double *grid1, const double *grid2, const double *data1,
+		  double *data2, double yp1, double ypn  )
+{
+  double *y2=NULL, *u=NULL;
+  double p, sig, qn, un, h, a, b;
+  int i, k, n, klo, khi;
+  
+  for(i=1; i<size1; i++) {
+    if( grid1[i] <= grid1[i-1] ) error_handler("cubic_spline: grid1 is not monotonic increasing");
+  }
+
+  for(i=0; i<size2; i++) {
+    if( grid2[i] < grid1[0] || grid2[i] > grid1[size1-1]) error_handler("cubic_spline: grid2 lies outside grid1");
+  }  
+
+  if(size1 < 2) error_handler("cubic_spline: the size of input grid should be at least 2");
+  if(size1 == 2) {  /* when size1 is 2, it just reduced to a linear interpolation */
+    p = (data1[1]-data1[0])/(grid1[1]-grid1[0]);
+    for(i=0; i< size2; i++) data2[i] = p*(grid2[i] - grid1[0]) + data1[0];
+    return;
+  }
+  y2 = (double *)malloc(size1*sizeof(double));
+  u = (double *)malloc(size1*sizeof(double));
+  if (yp1 >.99e30) {
+    y2[0]=0.;
+    u[0]=0.;
+  }
+  else {
+    y2[0]=-0.5;
+    u[0]=(3./(grid1[1]-grid1[0]))*((data1[1]-data1[0])/(grid1[1]-grid1[0])-yp1);
+  }
+
+  for(i=1; i<size1-1; i++) {
+    sig=(grid1[i]-grid1[i-1])/(grid1[i+1]-grid1[i-1]);
+    p=sig*y2[i-1]+2.;
+    y2[i]=(sig-1.)/p;
+    u[i]=(6.*((data1[i+1]-data1[i])/(grid1[i+1]-grid1[i])-(data1[i]-data1[i-1])
+	      /(grid1[i]-grid1[i-1]))/(grid1[i+1]-grid1[i-1])-sig*u[i-1])/p;
+
+  }
+  
+  if (ypn > .99e30) {
+    qn=0.;
+    un=0.;
+  }
+  else {
+    qn=0.5;
+    un=(3./(grid1[size1-1]-grid1[size1-2]))*(ypn-(data1[size1-1]-data1[size1-2])/(grid1[size1-1]-grid1[size1-2]));
+  }
+
+  y2[size1-1]=(un-qn*u[size1-2])/(qn*y2[size1-2]+1.);
+
+  for(k=size1-2; k>=0; k--) y2[k] = y2[k]*y2[k+1]+u[k];
+
+  /* interpolate data onto grid2 */
+  for(k=0; k<size2; k++) {
+    n = nearest_index(grid2[k],grid1, size1);
+    if (grid1[n] < grid2[k]) {
+	 klo = n;
+    }
+    else {
+      if(n==0) {
+	klo = n;
+      }
+      else {
+	klo = n -1;
+      }
+    }
+    khi = klo+1;
+    h   = grid1[khi]-grid1[klo];
+    a   = (grid1[khi] - grid2[k])/h;
+    b   = (grid2[k] - grid1[klo])/h;
+    data2[k] = a*data1[klo] + b*data1[khi]+ ((pow(a,3.0)-a)*y2[klo] + (pow(b,3.0)-b)*y2[khi])*(pow(h,2.0))/6;
+  }
+
+  free(y2);
+  free(u);
+  
+};/* cubic spline */
+
+
+/*------------------------------------------------------------------------------
+  void conserve_interp()
+  conservative interpolation through exchange grid.
+  Currently only first order interpolation are implemented here.
+  ----------------------------------------------------------------------------*/
+void conserve_interp(int nx_src, int ny_src, int nx_dst, int ny_dst, const double *x_src,
+		     const double *y_src, const double *x_dst, const double *y_dst,
+		     const double *mask_src, const double *data_src, double *data_dst )
+{
+  int n, nxgrid;
+  int *xgrid_i1, *xgrid_j1, *xgrid_i2, *xgrid_j2;
+  double *xgrid_area, *dst_area, *area_frac; 
+  
+  /* get the exchange grid between source and destination grid. */
+  xgrid_i1   = (int    *)malloc(MAXXGRID*sizeof(int));
+  xgrid_j1   = (int    *)malloc(MAXXGRID*sizeof(int));
+  xgrid_i2   = (int    *)malloc(MAXXGRID*sizeof(int));
+  xgrid_j2   = (int    *)malloc(MAXXGRID*sizeof(int));
+  xgrid_area = (double *)malloc(MAXXGRID*sizeof(double));
+  dst_area   = (double *)malloc(nx_dst*ny_dst*sizeof(double));
+  nxgrid = create_xgrid_2dx2d_order1(&nx_src, &ny_src, &nx_dst, &ny_dst, x_src, y_src, x_dst, y_dst, mask_src,
+	                       xgrid_i1, xgrid_j1, xgrid_i2, xgrid_j2, xgrid_area );
+  get_grid_area(&nx_dst, &ny_dst, x_dst, y_dst, dst_area);
+  area_frac = (double *)malloc(nxgrid*sizeof(double));
+  for(n=0; n<nxgrid; n++) area_frac[n] = xgrid_area[n]/dst_area[xgrid_j2[n]*nx_dst+xgrid_i2[n]];
+  
+  for(n=0; n<nx_dst*ny_dst; n++) {
+    data_dst[n] = 0;
+  }
+  for(n=0; n<nxgrid; n++) {
+    data_dst[xgrid_j2[n]*nx_dst+xgrid_i2[n]] += data_src[xgrid_j1[n]*nx_src+xgrid_i1[n]]*area_frac[n];
+  }
+
+  free(xgrid_i1);
+  free(xgrid_j1);
+  free(xgrid_i2);
+  free(xgrid_j2);
+  free(xgrid_area);
+  free(dst_area);
+  free(area_frac);
+  
+}; /* conserve_interp */
diff --git a/gridspec_tools_20080702/shared/mosaic/interp.h b/gridspec_tools_20080702/shared/mosaic/interp.h
new file mode 100644
index 0000000..245dec8
--- /dev/null
+++ b/gridspec_tools_20080702/shared/mosaic/interp.h
@@ -0,0 +1,14 @@
+#ifndef INTERP_H_
+#define INTERP_H_
+/*********************************************************************
+                     interp.h
+   This header files contains defition of some interpolation routine  (1-D or 2-D).
+   contact: Zhi.Liang at noaa.gov
+*********************************************************************/
+
+void cubic_spline(int size1, int size2, const double *grid1, const double *grid2, const double *data1,
+		  double *data2, double yp1, double ypn  );
+void conserve_interp(int nx_src, int ny_src, int nx_dst, int ny_dst, const double *x_src,
+		     const double *y_src, const double *x_dst, const double *y_dst,
+		     const double *mask_src, const double *data_src, double *data_dst );
+#endif
diff --git a/gridspec_tools_20080702/shared/mosaic/mosaic_util.c b/gridspec_tools_20080702/shared/mosaic/mosaic_util.c
new file mode 100644
index 0000000..4634428
--- /dev/null
+++ b/gridspec_tools_20080702/shared/mosaic/mosaic_util.c
@@ -0,0 +1,531 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include <string.h>
+#ifdef use_libMPI 
+#include <mpi.h>
+#endif
+#include "mosaic_util.h"
+#include "constant.h"
+
+#define HPI (0.5*M_PI)
+#define TPI (2.0*M_PI)
+#define TOLORENCE (1.e-6)
+#define EPSLN (1.e-10)
+/***********************************************************
+    void error_handler(char *str)
+    error handler: will print out error message and then abort
+***********************************************************/
+
+void error_handler(const char *msg)
+{
+  fprintf(stderr, "FATAL Error: %s\n", msg );
+#ifdef use_libMPI      
+  MPI_Abort(MPI_COMM_WORLD, -1);
+#else
+  exit(1);
+#endif  
+}; /* error_handler */
+
+/*********************************************************************
+
+   int nearest_index(double value, const double *array, int ia)
+
+   return index of nearest data point within "array" corresponding to "value".
+   if "value" is outside the domain of "array" then nearest_index = 0
+   or = size(array)-1 depending on whether array(0) or array(ia-1) is
+   closest to "value"
+
+   Arguments:
+     value:  arbitrary data...same units as elements in "array"
+     array:  array of data points  (must be monotonically increasing)
+     ia   :  size of array.
+
+ ********************************************************************/
+int nearest_index(double value, const double *array, int ia)
+{
+  int index, i;
+  int keep_going;
+
+  for(i=1; i<ia; i++){
+    if (array[i] < array[i-1]) 
+      error_handler("nearest_index: array must be monotonically increasing"); 
+  }
+  if (value < array[0] )
+    index = 0;
+  else if ( value > array[ia-1]) 
+    index = ia-1;
+  else
+    {
+      i=0;
+      keep_going = 1;
+      while (i < ia && keep_going) {
+	i = i+1;
+	if (value <= array[i]) {
+	  index = i;
+	  if (array[i]-value > value-array[i-1]) index = i-1;
+	  keep_going = 0;
+	}
+      }
+    }
+  return index;
+
+};
+
+/******************************************************************/
+
+void tokenize(const char * const string, const char *tokens, unsigned int varlen,
+	      unsigned int maxvar, char * pstring, unsigned int * const nstr)
+{
+  size_t i, j, nvar, len, ntoken;
+  int found, n;
+  
+  nvar = 0; j = 0;
+  len = strlen(string);
+  ntoken = strlen(tokens);
+  /* here we use the fact that C array [][] is contiguous in memory */
+  if(string[0] == 0)error_handler("Error from tokenize: to-be-parsed string is empty");
+  
+  for(i = 0; i < len; i ++){
+    if(string[i] != ' ' && string[i] != '\t'){
+      found = 0;
+      for(n=0; n<ntoken; n++) {
+	if(string[i] == tokens[n] ) {
+	  found = 1;
+	  break;
+	}
+      }
+      if(found) {
+	if( j != 0) { /* remove :: */
+	  *(pstring + (nvar++)*varlen + j) = 0;
+	  j = 0;
+	  if(nvar >= maxvar) error_handler("Error from tokenize: number of variables exceeds limit");
+	}
+      }
+      else {
+        *(pstring + nvar*varlen + j++) = string[i];
+        if(j >= varlen ) error_handler("error from tokenize: variable name length exceeds limit during tokenization");
+      }
+    }
+  }
+  *(pstring + nvar*varlen + j) = 0;
+  
+  *nstr = ++nvar;
+
+}
+
+/*******************************************************************************
+  double maxval_double(int size, double *data)
+  get the maximum value of double array
+*******************************************************************************/
+double maxval_double(int size, const double *data)
+{
+  int n;
+  double maxval;
+
+  maxval = data[0];
+  for(n=1; n<size; n++){
+    if( data[n] > maxval ) maxval = data[n];
+  }
+
+  return maxval;
+  
+}; /* maxval_double */
+
+
+/*******************************************************************************
+  double minval_double(int size, double *data)
+  get the minimum value of double array
+*******************************************************************************/
+double minval_double(int size, const double *data)
+{
+  int n;
+  double minval;
+
+  minval = data[0];
+  for(n=1; n<size; n++){
+    if( data[n] < minval ) minval = data[n];
+  }
+
+  return minval;
+  
+}; /* minval_double */
+
+/*******************************************************************************
+  double avgval_double(int size, double *data)
+  get the average value of double array
+*******************************************************************************/
+double avgval_double(int size, const double *data)
+{
+  int n;
+  double avgval;
+
+  avgval = 0;
+  for(n=0; n<size; n++) avgval += data[n];
+  avgval /= size;
+  
+  return avgval;
+  
+}; /* avgval_double */
+
+
+/*******************************************************************************
+  void latlon2xyz
+  Routine to map (lon, lat) to (x,y,z)
+******************************************************************************/
+void latlon2xyz(int size, const double *lon, const double *lat, double *x, double *y, double *z)
+{
+  int n;
+  
+  for(n=0; n<size; n++) {
+    x[n] = cos(lat[n])*cos(lon[n]);
+    y[n] = cos(lat[n])*sin(lon[n]);
+    z[n] = sin(lat[n]);
+  }
+
+} /* latlon2xyz */
+
+/*------------------------------------------------------------
+       void xyz2laton(np, p, xs, ys)
+   Transfer cartesian coordinates to spherical coordinates
+   ----------------------------------------------------------*/
+void xyz2latlon( int np, const double *x, const double *y, const double *z, double *lon, double *lat)
+{
+
+  double xx, yy, zz;
+  double dist, sinp;
+  int i;
+
+  for(i=0; i<np; i++) {
+    xx = x[i];
+    yy = y[i];
+    zz = z[i];
+    dist = sqrt(xx*xx+yy*yy+zz*zz);
+    xx /= dist;
+    yy /= dist;
+    zz /= dist;
+    
+    if ( fabs(xx)+fabs(yy)  < EPSLN ) 
+       lon[i] = 0;
+     else
+       lon[i] = atan2(yy, xx);
+     lat[i] = asin(zz);
+    
+     if ( lon[i] < 0.) lon[i] = 2.*M_PI + lon[i];
+  }
+
+} /* xyz2latlon */
+
+/*------------------------------------------------------------------------------
+  double box_area(double ll_lon, double ll_lat, double ur_lon, double ur_lat)
+  return the area of a lat-lon grid box. grid is in radians.
+  ----------------------------------------------------------------------------*/
+double box_area(double ll_lon, double ll_lat, double ur_lon, double ur_lat)
+{
+  double dx = ur_lon-ll_lon;
+  double area;
+  
+  if(dx > M_PI)  dx = dx - 2.0*M_PI;
+  if(dx < -M_PI) dx = dx + 2.0*M_PI;
+
+  return (dx*(sin(ur_lat)-sin(ll_lat))*RADIUS*RADIUS ) ;
+  
+}; /* box_area */
+
+
+/*------------------------------------------------------------------------------
+  double poly_area(const x[], const y[], int n)
+  obtains area of input polygon by line integrating -sin(lat)d(lon)
+  Vertex coordinates must be in degrees.
+  Vertices must be listed counter-clockwise around polygon.
+  grid is in radians.
+  ----------------------------------------------------------------------------*/
+double poly_area(const double x[], const double y[], int n)
+{
+  double area = 0.0;
+  int    i;
+
+  for (i=0;i<n;i++) {
+    int ip = (i+1) % n;
+    double dx = (x[ip]-x[i]);
+    double lat1, lat2;
+
+    lat1 = y[ip];
+    lat2 = y[i];
+    if(dx > M_PI)  dx = dx - 2.0*M_PI;
+    if(dx < -M_PI) dx = dx + 2.0*M_PI;
+    if (dx==0.0) continue;
+    
+    if ( fabs(lat1-lat2) < SMALL_VALUE) /* cheap area calculation along latitude */
+      area -= dx*sin(0.5*(lat1+lat2));
+    else
+      area += dx*(cos(lat1)-cos(lat2))/(lat1-lat2);
+  }
+  return area*RADIUS*RADIUS;
+
+}; /* poly_area */
+
+double poly_area_no_adjust(const double x[], const double y[], int n)
+{
+  double area = 0.0;
+  int    i;
+
+  for (i=0;i<n;i++) {
+    int ip = (i+1) % n;
+    double dx = (x[ip]-x[i]);
+    double lat1, lat2;
+
+    lat1 = y[ip];
+    lat2 = y[i];
+    if (dx==0.0) continue;
+    
+    if ( fabs(lat1-lat2) < SMALL_VALUE) /* cheap area calculation along latitude */
+      area -= dx*sin(0.5*(lat1+lat2));
+    else
+      area += dx*(cos(lat1)-cos(lat2))/(lat1-lat2);
+  }
+  return area*RADIUS*RADIUS;
+
+}; /* poly_area_no_adjust */
+
+int delete_vtx(double x[], double y[], int n, int n_del)
+{
+  for (;n_del<n-1;n_del++) {
+    x[n_del] = x[n_del+1];
+    y[n_del] = y[n_del+1];
+  }
+  
+  return (n-1);
+} /* delete_vtx */
+
+int insert_vtx(double x[], double y[], int n, int n_ins, double lon_in, double lat_in)
+{
+  int i;
+
+  for (i=n-1;i>=n_ins;i--) {
+    x[i+1] = x[i];
+    y[i+1] = y[i];
+  }
+  
+  x[n_ins] = lon_in;
+  y[n_ins] = lat_in;
+  return (n+1);
+} /* insert_vtx */
+
+void v_print(double x[], double y[], int n)
+{
+  int i;
+
+  for (i=0;i<n;i++) printf(" %20g   %20g\n", x[i], y[i]);
+} /* v_print */
+
+int fix_lon(double x[], double y[], int n, double tlon)
+{
+  double x_sum, dx;
+  int i, nn = n, pole = 0;
+
+  for (i=0;i<nn;i++) if (fabs(y[i])>=HPI-TOLORENCE) pole = 1;
+  if (0&&pole) {
+    printf("fixing pole cell\n");
+    v_print(x, y, nn);
+    printf("---------");
+  }
+
+  /* all pole points must be paired */
+  for (i=0;i<nn;i++) if (fabs(y[i])>=HPI-TOLORENCE) {
+    int im=(i+nn-1)%nn, ip=(i+1)%nn;
+
+    if (y[im]==y[i] && y[ip]==y[i]) {
+      nn = delete_vtx(x, y, nn, i);
+      i--;
+    } else if (y[im]!=y[i] && y[ip]!=y[i]) {
+      nn = insert_vtx(x, y, nn, i, x[i], y[i]);
+      i++;
+    }
+  }
+  /* first of pole pair has longitude of previous vertex */
+  /* second of pole pair has longitude of subsequent vertex */
+  for (i=0;i<nn;i++) if (fabs(y[i])>=HPI-TOLORENCE) {
+    int im=(i+nn-1)%nn, ip=(i+1)%nn;
+
+    if (y[im]!=y[i]) x[i] = x[im];
+    if (y[ip]!=y[i]) x[i] = x[ip];
+  }
+
+  if (nn) x_sum = x[0]; else return(0);
+  for (i=1;i<nn;i++) {
+    double dx = x[i]-x[i-1];
+
+    if      (dx < -M_PI) dx = dx + TPI;
+    else if (dx >  M_PI) dx = dx - TPI;
+    x_sum += (x[i] = x[i-1] + dx);
+  }
+
+  dx = (x_sum/nn)-tlon;
+  if      (dx < -M_PI) for (i=0;i<nn;i++) x[i] += TPI;
+  else if (dx >  M_PI) for (i=0;i<nn;i++) x[i] -= TPI;
+
+  if (0&&pole) {
+    printf("area=%g\n", poly_area(x, y,nn));
+    v_print(x, y, nn);
+    printf("---------");
+  }
+
+  return (nn);
+} /* fix_lon */
+
+
+/*------------------------------------------------------------------------------
+  double great_circle_distance()
+  computes distance between two points along a great circle
+  (the shortest distance between 2 points on a sphere)
+  returned in units of meter
+  ----------------------------------------------------------------------------*/
+double great_circle_distance(double *p1, double *p2)
+{
+  double dist, beta;
+  
+  /* This algorithm is not accurate for small distance 
+  dist = RADIUS*ACOS(SIN(p1[1])*SIN(p2[1]) + COS(p1[1])*COS(p2[1])*COS(p1[0]-p2[0]));
+  */
+  beta = 2.*asin( sqrt( sin((p1[1]-p2[1])/2.)*sin((p1[1]-p2[1])/2.) + 
+                               cos(p1[1])*cos(p2[1])*(sin((p1[0]-p2[0])/2.)*sin((p1[0]-p2[0])/2.)) ) );
+  dist = RADIUS*beta;
+  return dist;
+
+}; /* great_circle_distance */
+
+
+/*------------------------------------------------------------------------------
+  double spherical_angle(const double *p1, const double *p2, const double *p3)
+           p3
+         /
+        /
+       p1 ---> angle
+         \
+          \
+           p2
+ -----------------------------------------------------------------------------*/
+double spherical_angle(const double *v1, const double *v2, const double *v3)
+{
+  double angle;
+  double px, py, pz, qx, qy, qz, ddd;
+
+  /* vector product between v1 and v2 */
+  px = v1[1]*v2[2] - v1[2]*v2[1];
+  py = v1[2]*v2[0] - v1[0]*v2[2];
+  pz = v1[0]*v2[1] - v1[1]*v2[0];
+  /* vector product between v1 and v3 */
+  qx = v1[1]*v3[2] - v1[2]*v3[1];
+  qy = v1[2]*v3[0] - v1[0]*v3[2];
+  qz = v1[0]*v3[1] - v1[1]*v3[0];
+    
+  /* angle between p and q */
+  ddd = sqrt( (px*px+py*py+pz*pz)*(qx*qx+qy*qy+qz*qz) );
+  if (ddd > 0) {
+    angle = acos((px*qx+py*qy+pz*qz)/ddd);
+  }
+  else
+    angle = 0.;
+
+  return angle;
+}; /* spherical_angle */
+
+/*------------------------------------------------------------------------------
+  double spherical_excess_area(p_lL, p_uL, p_lR, p_uR) 
+  get the surface area of a cell defined as a quadrilateral 
+  on the sphere. Area is computed as the spherical excess
+  [area units are m^2]
+  ----------------------------------------------------------------------------*/
+double spherical_excess_area(const double* p_ll, const double* p_ul,
+			     const double* p_lr, const double* p_ur, double radius)
+{
+  double area, ang1, ang2, ang3, ang4;
+  double v1[3], v2[3], v3[3];
+
+  /*   S-W: 1   */  
+  latlon2xyz(1, p_ll, p_ll+1, v1, v1+1, v1+2);
+  latlon2xyz(1, p_lr, p_lr+1, v2, v2+1, v2+2);
+  latlon2xyz(1, p_ul, p_ul+1, v3, v3+1, v3+2);
+  ang1 = spherical_angle(v1, v2, v3);
+
+  /*   S-E: 2   */  
+  latlon2xyz(1, p_lr, p_lr+1, v1, v1+1, v1+2);
+  latlon2xyz(1, p_ur, p_ur+1, v2, v2+1, v2+2);
+  latlon2xyz(1, p_ll, p_ll+1, v3, v3+1, v3+2);
+  ang2 = spherical_angle(v1, v2, v3);
+
+  /*   N-E: 3   */  
+  latlon2xyz(1, p_ur, p_ur+1, v1, v1+1, v1+2);
+  latlon2xyz(1, p_ul, p_ul+1, v2, v2+1, v2+2);
+  latlon2xyz(1, p_lr, p_lr+1, v3, v3+1, v3+2);
+  ang3 = spherical_angle(v1, v2, v3);
+  
+  /*   N-W: 4   */  
+  latlon2xyz(1, p_ul, p_ul+1, v1, v1+1, v1+2);
+  latlon2xyz(1, p_ur, p_ur+1, v2, v2+1, v2+2);
+  latlon2xyz(1, p_ll, p_ll+1, v3, v3+1, v3+2);
+  ang4 = spherical_angle(v1, v2, v3);
+
+  area = (ang1 + ang2 + ang3 + ang4 - 2.*M_PI) * radius* radius;
+
+  return area;
+  
+}; /* spherical_excess_area */
+
+
+/*----------------------------------------------------------------------
+    void vect_cross(e, p1, p2)
+    Perform cross products of 3D vectors: e = P1 X P2
+    -------------------------------------------------------------------*/
+    
+void vect_cross(const double *p1, const double *p2, double *e )
+{
+  
+  e[0] = p1[1]*p2[2] - p1[2]*p2[1];
+  e[1] = p1[2]*p2[0] - p1[0]*p2[2];
+  e[2] = p1[0]*p2[1] - p1[1]*p2[0];
+
+}; /* vect_cross */
+
+/* ----------------------------------------------------------------
+   make a unit vector
+   --------------------------------------------------------------*/
+void normalize_vect(double *e)
+{
+  double pdot;
+  int k;
+
+  pdot = e[0]*e[0] + e[1] * e[1] + e[2] * e[2];
+  pdot = sqrt( pdot ); 
+
+  for(k=0; k<3; k++) e[k] /= pdot;
+};
+
+
+/*------------------------------------------------------------------
+  void unit_vect_latlon(int size, lon, lat, vlon, vlat)
+
+  calculate unit vector for latlon in cartesian coordinates
+
+  ---------------------------------------------------------------------*/
+void unit_vect_latlon(int size, const double *lon, const double *lat, double *vlon, double *vlat)
+{
+  double sin_lon, cos_lon, sin_lat, cos_lat;
+  int n;
+  
+  for(n=0; n<size; n++) {
+    sin_lon = sin(lon[n]);
+    cos_lon = cos(lon[n]);
+    sin_lat = sin(lat[n]);
+    cos_lat = cos(lat[n]);
+    
+    vlon[3*n] = -sin_lon;
+    vlon[3*n+1] =  cos_lon;
+    vlon[3*n+2] =  0.;
+    
+    vlat[3*n]   = -sin_lat*cos_lon;
+    vlat[3*n+1] = -sin_lat*sin_lon;
+    vlat[3*n+2] =  cos_lat;
+  }
+}; /* unit_vect_latlon */
diff --git a/gridspec_tools_20080702/shared/mosaic/mosaic_util.h b/gridspec_tools_20080702/shared/mosaic/mosaic_util.h
new file mode 100644
index 0000000..7de4854
--- /dev/null
+++ b/gridspec_tools_20080702/shared/mosaic/mosaic_util.h
@@ -0,0 +1,34 @@
+/***********************************************************************
+                      mosaic_util.h
+    This header file provide some utilities routine that will be used in many tools.
+    
+    contact: Zhi.Liang at noaa.gov
+***********************************************************************/
+#ifndef MOSAIC_UTIL_H_
+#define MOSAIC_UTIL_H_
+
+#define min(a,b) (a<b ? a:b)
+#define max(a,b) (a>b ? a:b)
+#define SMALL_VALUE ( 1.e-10 )
+void error_handler(const char *msg);
+int nearest_index(double value, const double *array, int ia);
+int lon_fix(double *x, double *y, int n_in, double tlon);
+double minval_double(int size, const double *data);
+double maxval_double(int size, const double *data);
+double avgval_double(int size, const double *data);
+void latlon2xyz(int size, const double *lon, const double *lat, double *x, double *y, double *z); 
+void xyz2latlon(int size, const double *x, const double *y, const double *z, double *lon, double *lat);
+double box_area(double ll_lon, double ll_lat, double ur_lon, double ur_lat);
+double poly_area(const double lon[], const double lat[], int n);
+double poly_area_no_adjust(const double x[], const double y[], int n);
+int fix_lon(double lon[], double lat[], int n, double tlon);
+void tokenize(const char * const string, const char *tokens, unsigned int varlen,
+	      unsigned int maxvar, char * pstring, unsigned int * const nstr);
+double great_circle_distance(double *p1, double *p2);
+double spherical_excess_area(const double* p_ll, const double* p_ul,
+			     const double* p_lr, const double* p_ur, double radius);
+void vect_cross(const double *p1, const double *p2, double *e );
+double spherical_angle(const double *v1, const double *v2, const double *v3);
+void normalize_vect(double *e);
+void unit_vect_latlon(int size, const double *lon, const double *lat, double *vlon, double *vlat);
+#endif
diff --git a/gridspec_tools_20080702/shared/mosaic/read_mosaic.c b/gridspec_tools_20080702/shared/mosaic/read_mosaic.c
new file mode 100644
index 0000000..cc82b25
--- /dev/null
+++ b/gridspec_tools_20080702/shared/mosaic/read_mosaic.c
@@ -0,0 +1,656 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include <string.h>
+#include "read_mosaic.h"
+#include "constant.h"
+#ifdef use_netCDF
+#include <netcdf.h>
+#endif
+/*********************************************************************
+    void netcdf_error( int status )
+    status is the returning value of netcdf call. this routine will
+    handle the error when status is not NC_NOERR.
+********************************************************************/
+void handle_netcdf_error(const char *msg, int status )
+{
+  char errmsg[512];
+
+  sprintf( errmsg, "%s: %s", msg, nc_strerror(status) );
+  error_handler(errmsg);
+
+}; /* handle_netcdf_error */
+
+/***************************************************************************
+  void get_file_dir(const char *file, char *dir)
+  get the directory where file is located. The dir will be the complate path
+  before the last "/". If no "/" exist in file, the path will be current ".".
+***************************************************************************/
+void get_file_dir(const char *file, char *dir)
+{
+  int len;
+  char *strptr = NULL;
+
+  /* get the diretory */
+ 
+  strptr = strrchr(file, '/');
+  if(strptr) {
+    len = strptr - file;
+    strncpy(dir, file, len);
+  }
+  else {
+    len = 1;
+    strcpy(dir, ".");
+  }
+  dir[len] = 0;
+
+}; /* get_file_dir */
+
+
+int get_dimlen(const char* file, const char *name)
+{
+  int ncid, dimid, status, len;
+  size_t size;
+  char msg[512];
+#ifdef use_netCDF  
+  status = nc_open(file, NC_NOWRITE, &ncid);
+  if(status != NC_NOERR) {
+    sprintf(msg, "in opening file %s", file);
+    handle_netcdf_error(msg, status);
+  }
+  
+  status = nc_inq_dimid(ncid, name, &dimid);
+  if(status != NC_NOERR) {
+    sprintf(msg, "in getting dimid of %s from file %s.", name, file);
+    handle_netcdf_error(msg, status);
+  }
+  
+  status = nc_inq_dimlen(ncid, dimid, &size);
+  if(status != NC_NOERR) {
+    sprintf(msg, "in getting dimension size of %s from file %s.", name, file);
+    handle_netcdf_error(msg, status);
+  }
+  status = nc_close(ncid);
+  if(status != NC_NOERR) {
+    sprintf(msg, "in closing file %s.", file);
+    handle_netcdf_error(msg, status);
+  }
+  
+  len = size;
+  if(status != NC_NOERR) {
+    sprintf(msg, "in closing file ", file);
+    handle_netcdf_error(msg, status);
+  }
+#else
+  error_handler("read_mosaic: Add flag -Duse_netCDF when compiling");
+#endif
+  
+  return len;
+  
+}; /* get_dimlen */
+
+/*******************************************************************************
+   void get_string_data(const char *file, const char *name, char *data)
+   get string data of field with "name" from "file".
+******************************************************************************/
+void get_string_data(const char *file, const char *name, char *data)
+{
+  int ncid, varid, status;
+  char msg[512];
+
+#ifdef use_netCDF    
+  status = nc_open(file, NC_NOWRITE, &ncid);
+  if(status != NC_NOERR) {
+    sprintf(msg, "in opening file %s", file);
+    handle_netcdf_error(msg, status);
+  }
+  status = nc_inq_varid(ncid, name, &varid);
+  if(status != NC_NOERR) {
+    sprintf(msg, "in getting varid of %s from file %s.", name, file);
+    handle_netcdf_error(msg, status);
+  }     
+  status = nc_get_var_text(ncid, varid, data);
+  if(status != NC_NOERR) {
+    sprintf(msg, "in getting data of %s from file %s.", name, file);
+    handle_netcdf_error(msg, status);
+  }
+  status = nc_close(ncid);
+  if(status != NC_NOERR) {
+    sprintf(msg, "in closing file %s.", file);
+    handle_netcdf_error(msg, status);
+  }  
+#else
+  error_handler("read_mosaic: Add flag -Duse_netCDF when compiling");
+#endif
+  
+}; /* get_string_data */
+
+/*******************************************************************************
+   void get_string_data_level(const char *file, const char *name, const size_t *start, const size_t *nread, char *data)
+   get string data of field with "name" from "file".
+******************************************************************************/
+void get_string_data_level(const char *file, const char *name, char *data, const int *level)
+{
+  int ncid, varid, status, i;
+  size_t start[4], nread[4];
+  char msg[512];
+
+#ifdef use_netCDF  
+  status = nc_open(file, NC_NOWRITE, &ncid);
+  if(status != NC_NOERR) {
+    sprintf(msg, "in opening file %s", file);
+    handle_netcdf_error(msg, status);
+  }
+  status = nc_inq_varid(ncid, name, &varid);
+  if(status != NC_NOERR) {
+    sprintf(msg, "in getting varid of %s from file %s.", name, file);
+    handle_netcdf_error(msg, status);
+  }
+  for(i=0; i<4; i++) {
+    start[i] = 0; nread[i] = 1;
+  }
+  start[0] = *level; nread[1] = STRING;
+  status = nc_get_vara_text(ncid, varid, start, nread, data);
+  if(status != NC_NOERR) {
+    sprintf(msg, "in getting data of %s from file %s.", name, file);
+    handle_netcdf_error(msg, status);
+  }
+  status = nc_close(ncid);
+  if(status != NC_NOERR) {
+    sprintf(msg, "in closing file %s.", file);
+    handle_netcdf_error(msg, status);
+  }  
+#else
+  error_handler("read_mosaic: Add flag -Duse_netCDF when compiling");
+#endif
+  
+}; /* get_string_data_level */
+
+
+/*******************************************************************************
+   void get_int_data(const char *file, const char *name, int *data)
+   get int data of field with "name" from "file".
+******************************************************************************/
+void get_int_data(const char *file, const char *name, int *data)
+{
+  int ncid, varid, status;
+  char msg[512];
+
+#ifdef use_netCDF    
+  status = nc_open(file, NC_NOWRITE, &ncid);
+  if(status != NC_NOERR) {
+    sprintf(msg, "in opening file %s", file);
+    handle_netcdf_error(msg, status);
+  }
+  status = nc_inq_varid(ncid, name, &varid);
+  if(status != NC_NOERR) {
+    sprintf(msg, "in getting varid of %s from file %s.", name, file);
+    handle_netcdf_error(msg, status);
+  }     
+  status = nc_get_var_int(ncid, varid, data);
+  if(status != NC_NOERR) {
+    sprintf(msg, "in getting data of %s from file %s", name, file);
+    handle_netcdf_error(msg, status);
+  }
+  status = nc_close(ncid);
+  if(status != NC_NOERR) {
+    sprintf(msg, "in closing file %s.", file);
+    handle_netcdf_error(msg, status);
+  }  
+#else
+  error_handler("read_mosaic: Add flag -Duse_netCDF when compiling");
+#endif
+  
+}; /* get_int_data */
+
+/*******************************************************************************
+   void get_double_data(const char *file, const char *name, double *data)
+   get double data of field with "name" from "file".
+******************************************************************************/
+void get_double_data(const char *file, const char *name, double *data)
+{
+
+  int ncid, varid, status;  
+  char msg[512];
+
+#ifdef use_netCDF    
+  status = nc_open(file, NC_NOWRITE, &ncid);
+  if(status != NC_NOERR) {
+    sprintf(msg, "in opening file ", file);
+    handle_netcdf_error(msg, status);
+  }
+  status = nc_inq_varid(ncid, name, &varid);
+  if(status != NC_NOERR) {
+    sprintf(msg, "in getting varid of %s from file %s.", name, file);
+    handle_netcdf_error(msg, status);
+  }     
+  status = nc_get_var_double(ncid, varid, data);
+  if(status != NC_NOERR) {
+    sprintf(msg, "in getting data of %s from file %s.", name, file);
+    handle_netcdf_error(msg, status);
+  }
+  status = nc_close(ncid);
+  if(status != NC_NOERR) {
+    sprintf(msg, "in closing file %s.", file);
+    handle_netcdf_error(msg, status);
+  }  
+#else
+  error_handler("read_mosaic: Add flag -Duse_netCDF when compiling");
+#endif
+  
+}; /* get_double_data */
+
+/******************************************************************************
+   void get_var_text_att(const char *file, const char *name, const char *attname, char *att)
+   get text attribute of field 'name' from 'file
+******************************************************************************/
+void get_var_text_att(const char *file, const char *name, const char *attname, char *att)
+{
+  int ncid, varid, status;  
+  char msg[512];
+
+#ifdef use_netCDF    
+  status = nc_open(file, NC_NOWRITE, &ncid);
+  if(status != NC_NOERR) {
+    sprintf(msg, "in opening file ", file);
+    handle_netcdf_error(msg, status);
+  }
+  status = nc_inq_varid(ncid, name, &varid);
+  if(status != NC_NOERR) {
+    sprintf(msg, "in getting varid of %s from file %s.", name, file);
+    handle_netcdf_error(msg, status);
+  }     
+  status = nc_get_att_text(ncid, varid, attname, att);
+  if(status != NC_NOERR) {
+    sprintf(msg, "in getting attribute %s of %s from file %s.", attname, name, file);
+    handle_netcdf_error(msg, status);
+  }
+  status = nc_close(ncid);
+  if(status != NC_NOERR) {
+    sprintf(msg, "in closing file %s.", file);
+    handle_netcdf_error(msg, status);
+  }  
+#else
+  error_handler("read_mosaic: Add flag -Duse_netCDF when compiling");
+#endif
+  
+}; /* get_var_text_att */
+
+/***********************************************************************
+  return number of overlapping cells.
+***********************************************************************/
+#ifndef __AIX
+int read_mosaic_xgrid_size_( const char *xgrid_file )
+{
+  return read_mosaic_xgrid_size(xgrid_file);
+}
+#endif
+
+int read_mosaic_xgrid_size( const char *xgrid_file )
+{
+  int ncells;
+  
+  ncells = get_dimlen(xgrid_file, "ncells");
+  return ncells;
+}
+
+
+
+/****************************************************************************/
+#ifndef __AIX
+void read_mosaic_xgrid_order1_(const char *xgrid_file, int *i1, int *j1, int *i2, int *j2, double *area )
+{
+  read_mosaic_xgrid_order1(xgrid_file, i1, j1, i2, j2, area);
+  
+};
+#endif
+
+void read_mosaic_xgrid_order1(const char *xgrid_file, int *i1, int *j1, int *i2, int *j2, double *area )
+{
+  int    ncells, n;
+  int    *tile1_cell, *tile2_cell;
+  double garea;
+  
+  ncells = get_dimlen(xgrid_file, "ncells");
+
+  tile1_cell       = (int *)malloc(ncells*2*sizeof(int));
+  tile2_cell       = (int *)malloc(ncells*2*sizeof(int));
+  get_int_data(xgrid_file, "tile1_cell", tile1_cell);
+  get_int_data(xgrid_file, "tile2_cell", tile2_cell);
+  get_double_data(xgrid_file, "xgrid_area", area);
+  garea = 4*M_PI*RADIUS*RADIUS;
+  
+  for(n=0; n<ncells; n++) {
+    i1[n] = tile1_cell[n*2] - 1;
+    j1[n] = tile1_cell[n*2+1] - 1;
+    i2[n] = tile2_cell[n*2] - 1;
+    j2[n] = tile2_cell[n*2+1] - 1;
+    area[n] /= garea; /* rescale the exchange grid area to unit earth area */
+  }
+
+  free(tile1_cell);
+  free(tile2_cell);
+  
+}; /* read_mosaic_xgrid_order1 */
+
+/* NOTE: di, dj is for tile1, */
+/****************************************************************************/
+#ifndef __AIX
+void read_mosaic_xgrid_order2_(const char *xgrid_file, int *i1, int *j1, int *i2, int *j2, double *area, double *di, double *dj )
+{
+  read_mosaic_xgrid_order2(xgrid_file, i1, j1, i2, j2, area, di, dj);
+  
+};
+#endif
+
+void read_mosaic_xgrid_order2(const char *xgrid_file, int *i1, int *j1, int *i2, int *j2, double *area, double *di, double *dj )
+{
+  int    ncells, n;
+  int    *tile1_cell, *tile2_cell;
+  double *tile1_distance;
+  double garea;
+  
+  ncells = get_dimlen(xgrid_file, "ncells");
+
+  tile1_cell       = (int    *)malloc(ncells*2*sizeof(int   ));
+  tile2_cell       = (int    *)malloc(ncells*2*sizeof(int   ));
+  tile1_distance   = (double *)malloc(ncells*2*sizeof(double));
+  get_int_data(xgrid_file, "tile1_cell", tile1_cell);
+  get_int_data(xgrid_file, "tile2_cell", tile2_cell);
+  get_double_data(xgrid_file, "xgrid_area", area);
+  get_double_data(xgrid_file, "tile1_distance", tile1_distance);
+  garea = 4*M_PI*RADIUS*RADIUS;
+  
+  for(n=0; n<ncells; n++) {
+    i1[n] = tile1_cell[n*2] - 1;
+    j1[n] = tile1_cell[n*2+1] - 1;
+    i2[n] = tile2_cell[n*2] - 1;
+    j2[n] = tile2_cell[n*2+1] - 1;
+    di[n] = tile1_distance[n*2];
+    dj[n] = tile1_distance[n*2+1];
+    area[n] /= garea; /* rescale the exchange grid area to unit earth area */
+  }
+
+  free(tile1_cell);
+  free(tile2_cell);
+  free(tile1_distance);
+  
+}; /* read_mosaic_xgrid_order2 */
+
+/******************************************************************************
+  int read_mosaic_ntiles(const char *mosaic_file)
+  return number tiles in mosaic_file
+******************************************************************************/
+#ifndef __AIX
+int read_mosaic_ntiles_(const char *mosaic_file)
+{
+  return read_mosaic_ntiles(mosaic_file);
+}
+#endif
+int read_mosaic_ntiles(const char *mosaic_file)
+{
+
+  int ntiles;
+
+  ntiles = get_dimlen(mosaic_file, "ntiles");
+
+  return ntiles;
+  
+}; /* read_mosaic_ntiles */
+
+/******************************************************************************
+  int read_mosaic_ncontacts(const char *mosaic_file)
+  return number of contacts in mosaic_file
+******************************************************************************/
+#ifndef __AIX
+int read_mosaic_ncontacts_(const char *mosaic_file)
+{
+  return read_mosaic_ncontacts(mosaic_file);
+}
+#endif
+int read_mosaic_ncontacts(const char *mosaic_file)
+{
+
+  int ncontacts;
+
+  ncontacts = get_dimlen(mosaic_file, "ncontact");
+
+  return ncontacts;
+  
+}; /* read_mosaic_ncontacts */
+
+
+/*****************************************************************************
+  void read_mosaic_grid_sizes(const char *mosaic_file, int *nx, int *ny)
+  read mosaic grid size of each tile, currently we are assuming the refinement is 2.
+  We assume the grid files are located at the same directory as mosaic_file.
+*****************************************************************************/
+#ifndef __AIX
+void read_mosaic_grid_sizes_(const char *mosaic_file, int *nx, int *ny)
+{
+  read_mosaic_grid_sizes(mosaic_file, nx, ny);
+}
+#endif
+void read_mosaic_grid_sizes(const char *mosaic_file, int *nx, int *ny)
+{
+  int ntiles, n;
+  char gridfile[STRING], tilefile[2*STRING];
+  char dir[STRING];
+  const int x_refine = 2, y_refine = 2;
+
+  get_file_dir(mosaic_file, dir);  
+  ntiles = get_dimlen(mosaic_file, "ntiles");
+  for(n = 0; n < ntiles; n++) {
+    get_string_data_level(mosaic_file, "gridfiles", gridfile, &n);
+    sprintf(tilefile, "%s/%s", dir, gridfile);
+    nx[n] = get_dimlen(tilefile, "nx");
+    ny[n] = get_dimlen(tilefile, "ny");
+    if(nx[n]%x_refine != 0) error_handler("Error from read_mosaic_grid_sizes: nx is not divided by x_refine");
+    if(ny[n]%y_refine != 0) error_handler("Error from read_mosaic_grid_sizes: ny is not divided by y_refine");
+    nx[n] /= x_refine;
+    ny[n] /= y_refine;
+  }
+  
+}; /* read_mosaic_grid_sizes */
+  
+
+/******************************************************************************
+  void read_mosaic_contact(const char *mosaic_file)
+  read mosaic contact information
+******************************************************************************/
+#ifndef __AIX
+void read_mosaic_contact_(const char *mosaic_file, int *tile1, int *tile2, int *istart1, int *iend1,
+			 int *jstart1, int *jend1, int *istart2, int *iend2, int *jstart2, int *jend2)
+{
+  read_mosaic_contact(mosaic_file, tile1, tile2, istart1, iend1, jstart1, jend1, istart2, iend2, jstart2, jend2);
+}
+#endif
+
+void read_mosaic_contact(const char *mosaic_file, int *tile1, int *tile2, int *istart1, int *iend1,
+			 int *jstart1, int *jend1, int *istart2, int *iend2, int *jstart2, int *jend2)
+{
+  char contacts[STRING];
+  char **gridtiles;
+#define MAXVAR 40
+  char pstring[MAXVAR][STRING];
+  int ntiles, ncontacts, n, m, l, nstr, found;
+  const int x_refine = 2, y_refine = 2;
+  
+  ntiles = get_dimlen(mosaic_file, "ntiles");
+  gridtiles = (char **)malloc(ntiles*sizeof(char *));
+  for(n=0; n<ntiles; n++) {
+    gridtiles[n] = (char *)malloc(STRING*sizeof(char));
+    get_string_data_level(mosaic_file, "gridtiles", gridtiles[n], &n);
+  }
+    
+  ncontacts = get_dimlen(mosaic_file, "ncontact"); 
+  for(n = 0; n < ncontacts; n++) {
+    get_string_data_level(mosaic_file, "contacts", contacts, &n);
+    /* parse the string contacts to get tile number */
+    tokenize( contacts, ":", STRING, MAXVAR, pstring, &nstr);
+    if(nstr != 4) error_handler("Error from read_mosaic: number of elements "
+				 "in contact seperated by :/:: should be 4");
+    found = 0;
+    for(m=0; m<ntiles; m++) {
+      if(strcmp(gridtiles[m], pstring[1]) == 0) { /*found the tile name */
+	found = 1;
+	tile1[n] = m+1;
+	break;
+      }
+    }
+    if(!found) error_handler("error from read_mosaic: the first tile name specified "
+			     "in contact is not found in tile list");
+    found = 0;
+    for(m=0; m<ntiles; m++) {
+      if(strcmp(gridtiles[m], pstring[3]) == 0) { /*found the tile name */
+	found = 1;
+	tile2[n] = m+1;
+	break;
+      }
+    }
+    if(!found) error_handler("error from read_mosaic: the second tile name specified "
+			     "in contact is not found in tile list");    
+    get_string_data_level(mosaic_file, "contact_index", contacts, &n);
+    /* parse the string to get contact index */
+    tokenize( contacts, ":,", STRING, MAXVAR, pstring, &nstr);
+    if(nstr != 8) error_handler("Error from read_mosaic: number of elements "
+				 "in contact_index seperated by :/, should be 8");
+    /* make sure the string is only composed of numbers */
+    for(m=0; m<nstr; m++) for(l=0; l<strlen(pstring[m]); l++) {
+      if(pstring[m][l] > '9' ||  pstring[m][l] < '0' ) {
+	error_handler("Error from read_mosaic: some of the character in "
+		      "contact_indices except token is not digit number");
+      }
+    }
+    istart1[n] = atoi(pstring[0]);
+    iend1[n]   = atoi(pstring[1]);
+    jstart1[n] = atoi(pstring[2]);
+    jend1[n]   = atoi(pstring[3]);
+    istart2[n] = atoi(pstring[4]);
+    iend2[n]   = atoi(pstring[5]);
+    jstart2[n] = atoi(pstring[6]);
+    jend2[n]   = atoi(pstring[7]);
+    if(istart1[n] == iend1[n] ) {
+      istart1[n] = (istart1[n]+1)/x_refine-1;
+      iend1[n]   = istart1[n];
+      if( jend1[n] > jstart1[n] ) {
+	jstart1[n] -= 1;
+	jend1[n]   -= y_refine;
+      }
+      else if( jend1[n] < jstart1[n] ) {
+	jstart1[n] -= y_refine;
+	jend1[n]   -= 1;
+      }
+      else
+	error_handler("Error from read_mosaic_contact: jstart1 and jend1 should not be equal when istart1=iend1");
+
+      if(jstart1[n]%y_refine || jend1[n]%y_refine)
+	error_handler("Error from read_mosaic_contact: mismatch between y_refine and jstart1/jend1 when istart1=iend1");
+      jstart1[n] /= y_refine;
+      jend1[n]   /= y_refine;
+    }
+    else if( jstart1[n] == jend1[n] ) {
+      jstart1[n] = (jstart1[n]+1)/y_refine-1;
+      jend1[n]   = jstart1[n];      
+      if(iend1[n] > istart1[n] ) {
+	istart1[n] -= 1;
+	iend1[n]   -= x_refine;
+      }
+      else if(istart1[n] > iend1[n] ) {
+	istart1[n] -= x_refine;
+	iend1[n]   -= 1;	
+      }
+      else
+	error_handler("Error from read_mosaic_contact: istart1 and iend1 should not be equal when jstart1=jend1");
+      
+      if(istart1[n]%x_refine || iend1[n]%x_refine)
+	error_handler("Error from read_mosaic_contact: mismatch between x_refine and istart1/iend1 when jstart1=jend1");
+      istart1[n] /= x_refine;
+      iend1[n]   /= x_refine;
+    }
+    else {
+      error_handler("Error from read_mosaic_contact: only line contact is supported now, contact developer");
+    }
+    if(istart2[n] == iend2[n] ) {
+      istart2[n] = (istart2[n]+1)/x_refine-1;
+      iend2[n]   = istart2[n];
+      if( jend2[n] > jstart2[n] ) {
+	jstart2[n] -= 1;
+	jend2[n]   -= y_refine;
+      }
+      else if( jstart2[n] > jend2[n] ) {
+	jstart2[n] -= y_refine;
+	jend2[n]   -= 1;
+      }
+      else
+	error_handler("Error from read_mosaic_contact: jstart2 and jend2 should not be equal when istart2=iend2");
+      
+      if(jstart2[n]%y_refine || jend2[n]%y_refine )
+	error_handler("Error from read_mosaic_contact: mismatch between y_refine and jstart2/jend2 when istart2=iend2");
+
+      jstart2[n] /= y_refine;
+      jend2[n]   /= y_refine;
+    }
+    else if( jstart2[n] == jend2[n] ) {
+      jstart2[n] = (jstart2[n]+1)/y_refine-1;
+      jend2[n]   = jstart2[n];
+      if(iend2[n] > istart2[n] ) {
+	istart2[n] -= 1;
+	iend2[n]   -= x_refine;
+      }
+      else if(istart2[n] > iend2[n] ) {
+	istart2[n] -= x_refine;
+	iend2[n]   -= 1;
+      }
+      else
+	error_handler("Error from read_mosaic_contact: istart2 and iend2 should not be equal when jstart2=jend2");
+      
+      if(istart2[n]%x_refine || iend2[n]%x_refine)
+	error_handler("Error from read_mosaic_contact: mismatch between x_refine and istart2/iend2 when jstart2=jend2");
+      istart2[n] /= x_refine;
+      iend2[n]   /= x_refine;
+    }
+    else {
+      error_handler("Error from read_mosaic_contact: only line contact is supported now, contact developer");
+    }
+
+  }
+
+}; /* read_mosaic_contact */
+
+
+/******************************************************************************
+  void read_mosaic_grid_data(const char *mosaic_file, const char *name, int nx, int ny,
+                             double *data, int level, int ioff, int joff)
+  read mosaic grid information onto model grid. We assume the refinement is 2 right now.
+  We may remove this restriction in the future. nx and ny are model grid size. level
+  is the tile number. ioff and joff to indicate grid location. ioff =0 and joff = 0
+  for C-cell. ioff=0 and joff=1 for E-cell, ioff=1 and joff=0 for N-cell,
+  ioff=1 and joff=1 for T-cell
+******************************************************************************/
+void read_mosaic_grid_data(const char *mosaic_file, const char *name, int nx, int ny,
+                           double *data, int level, int ioff, int joff)
+{
+  char   tilefile[STRING], gridfile[STRING], dir[STRING];
+  double *tmp;
+  int    ni, nj, nxp, nyp, i, j;
+
+  get_file_dir(mosaic_file, dir);
+  
+  get_string_data_level(mosaic_file, "gridfiles", gridfile, &level);
+  sprintf(tilefile, "%s/%s", dir, gridfile);
+  
+  ni = get_dimlen(tilefile, "nx");
+  nj = get_dimlen(tilefile, "ny");
+
+  if( ni != nx*2 || nj != ny*2) error_handler("supergrid size should be double of the model grid size");
+  tmp = (double *)malloc((ni+1)*(nj+1)*sizeof(double));
+  get_double_data( tilefile, name, tmp);
+  nxp = nx + 1 - ioff;
+  nyp = ny + 1 - joff;
+  for(j=0; j<nyp; j++) for(i=0; i<nxp; i++) data[j*nxp+i] = tmp[(2*j+joff)*(ni+1)+2*i+ioff];
+  free(tmp);
+   
+}; /* read_mosaic_grid_data */
+
+
diff --git a/gridspec_tools_20080702/shared/mosaic/read_mosaic.h b/gridspec_tools_20080702/shared/mosaic/read_mosaic.h
new file mode 100644
index 0000000..b698cc6
--- /dev/null
+++ b/gridspec_tools_20080702/shared/mosaic/read_mosaic.h
@@ -0,0 +1,15 @@
+#ifndef READ_MOSAIC_H_
+#define READ_MOSAIC_H_
+
+int read_mosaic_xgrid_size( const char *xgrid_file );
+void read_mosaic_xgrid_order1(const char *xgrid_file, int *i1, int *j1, int *i2, int *j2, double *area );
+void read_mosaic_xgrid_order2(const char *xgrid_file, int *i1, int *j1, int *i2, int *j2, 
+                              double *area, double *di, double *dj );
+int read_mosaic_ntiles(const char *mosaic_file);
+int read_mosaic_ncontacts(const char *mosaic_file);
+void read_mosaic_grid_sizes(const char *mosaic_file, int *nx, int *ny);
+void read_mosaic_contact(const char *mosaic_file, int *tile1, int *tile2, int *istart1, int *iend1,
+			 int *jstart1, int *jend1, int *istart2, int *iend2, int *jstart2, int *jend2);
+void read_mosaic_grid_data(const char *mosaic_file, const char *name, int nx, int ny,
+                           double *data, int level, int ioff, int joff);
+#endif
diff --git a/gridspec_tools_20080702/tools/Makefile.am b/gridspec_tools_20080702/tools/Makefile.am
new file mode 100644
index 0000000..61da840
--- /dev/null
+++ b/gridspec_tools_20080702/tools/Makefile.am
@@ -0,0 +1,2 @@
+SUBDIRS = shared make_hgrid make_solo_mosaic make_coupler_mosaic	\
+make_topog make_vgrid river_regrid transfer_to_mosaic_grid fregrid
\ No newline at end of file
diff --git a/gridspec_tools_20080702/tools/Makefile.in b/gridspec_tools_20080702/tools/Makefile.in
new file mode 100644
index 0000000..1391d7f
--- /dev/null
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@@ -0,0 +1,508 @@
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diff --git a/gridspec_tools_20080702/tools/fregrid/Makefile.am b/gridspec_tools_20080702/tools/fregrid/Makefile.am
new file mode 100644
index 0000000..fedd3ec
--- /dev/null
+++ b/gridspec_tools_20080702/tools/fregrid/Makefile.am
@@ -0,0 +1,45 @@
+## This is an automake file, part of Unidata's NetCDF CF Library
+## package. Copyright 2009, see the COPYRIGHT file for more
+## information.
+
+# This automake file is in charge of building the gridspec
+# fregrid tool.
+
+# $Id: Makefile.am,v 1.2 2009/04/06 22:21:10 ed Exp $
+
+bin_PROGRAMS = fregrid gs_fregrid
+fregrid_SOURCES = bilinear_interp.c bilinear_interp.h		\
+conserve_interp.c conserve_interp.h fregrid.c fregrid_util.c	\
+fregrid_util.h globals.h
+gs_fregrid_SOURCES = bilinear_interp.c bilinear_interp.h	\
+conserve_interp.c conserve_interp.h gs_fregrid.c fregrid_util.c	\
+fregrid_util.h globals.h
+
+# Initalize these.
+AM_CPPFLAGS = -I../shared -I../../shared/mosaic
+AM_LDFLAGS = -L../shared -L../../shared/mosaic
+
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diff --git a/gridspec_tools_20080702/tools/fregrid/Makefile.in b/gridspec_tools_20080702/tools/fregrid/Makefile.in
new file mode 100644
index 0000000..c6fb3bc
--- /dev/null
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+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-binPROGRAMS
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-binPROGRAMS \
+	clean-generic clean-libtool ctags distclean distclean-compile \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-binPROGRAMS install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+	pdf pdf-am ps ps-am tags uninstall uninstall-am \
+	uninstall-binPROGRAMS
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/gridspec_tools_20080702/tools/fregrid/bilinear_interp.c b/gridspec_tools_20080702/tools/fregrid/bilinear_interp.c
new file mode 100644
index 0000000..337b2da
--- /dev/null
+++ b/gridspec_tools_20080702/tools/fregrid/bilinear_interp.c
@@ -0,0 +1,1131 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include "globals.h"
+#include "mosaic_util.h"
+#include "bilinear_interp.h"
+#include "mpp_io.h"
+
+#define min(a,b) (a<b ? a:b)
+#define max(a,b) (a>b ? a:b)
+#define sign(a,b)(b<0 ? -fabs(a):fabs(a))
+
+
+int max_weight_index( double *var, int nvar);
+double normalize_great_circle_distance(const double *v1, const double *v2);
+/*double spherical_angle(double *v1, double *v2, double *v3);*/
+double dist2side(const double *v1, const double *v2, const double *point);
+void redu2x(const double *varfin, const double *yfin, int nxfin, int nyfin, double *varcrs,
+	    int nxcrs, int nycrs, int nz, int has_missing, double missvalue);
+void do_latlon_coarsening(const double *var_latlon, const double *ylat, int nlon, int nlat, int nz,    
+			  double *var_latlon_crs, int finer_steps, int has_missing, double missvalue);
+void do_c2l_interp(const Interp_config *interp, int nx_in, int ny_in, int nz, const Field_config *field_in,
+		   int nx_out, int ny_out, double *data_out, int has_missing, double missing, int fill_missing );
+void sort_index(int ntiles, int *index, double *shortest);
+int get_index(const Grid_config *grid_in, const Grid_config *grid_out, int *index,
+	       int i_in, int j_in, int l_in, int i_out, int j_out);
+/*******************************************************************************
+  void setup_bilinear_interp( )
+    !------------------------------------------------------------------!
+    ! calculate weights for bilinear interpolation                     !
+    ! from cubed sphere to latlon grid                                 !
+    !                                                                  !
+    ! input:                                                           !
+    ! sph_corner      cubed sphere corner location in spherical coor   !
+    ! npx, npy        number of corners per tile                       !
+    ! ntiles          number of tiles                                  !
+    ! xlon, ylat      latlon grid coor                                 !
+    ! nlon, nlat      latlon grid dimension                            !
+    !                                                                  !
+    ! output:                                                          !
+    ! c2l_index       cubed sphere index for latlon interpolation      !
+    ! c2l_weight      weights for cubsph_to_latlon interpolation       !
+    ! elon_cubsph     lon unit vector for cubed sphere center          !
+    ! elat_cubsph     lat unit vector for cubed sphere center          !
+    ! elon_latlon     lon unit vector for latlon grid                  !
+    ! elat_latlon     lat unit vector for latlon grid                  !
+    !------------------------------------------------------------------!
+*******************************************************************************/
+void setup_bilinear_interp(int ntiles_in, const Grid_config *grid_in, int ntiles_out, const Grid_config *grid_out, 
+                      Interp_config *interp, unsigned int opcode)
+{
+  const int max_iter = 10;
+  double abs_center, dcub, dlon, dlat, coslat, distance;
+  double dist1, dist2, dist3, dist4, sum;
+  double *shortest;
+  int    i, j, n, l, ic, jc, lc, icc, jcc, i_min, i_max, j_min, j_max, iter;
+  int    n0, n1, n2, n3, n4, m0, m1;
+  int    nx_in, ny_in, nx_out, ny_out, nxd, nyd;
+  double v0[3], v1[3], v2[3], v3[3], v4[3];
+  int    all_done;
+  int    *found, *index;
+  
+  /* ntiles_in must be six and ntiles_out must be one */
+  if(ntiles_in != 6) mpp_error("Error from bilinear_interp: source mosaic should be cubic mosaic "
+			       "and have six tiles when using bilinear option");
+  if(ntiles_out != 1) mpp_error("Error from bilinear_interp: destination mosaic should be "
+				"one tile lat-lon grid when using bilinear option"); 
+  /*-----------------------------------------------------------------!
+    ! cubed sphere: cartesian coordinates of cell corners,             !
+    !               cell lenghts between corners,                      !
+    !               cartesian and spherical coordinates of cell centers! 
+    !               calculate latlon unit vector                       !
+    !-----------------------------------------------------------------*/
+
+  /* calculation is done on the fine grid */
+  nx_out   = grid_out->nx_fine;
+  ny_out   = grid_out->ny_fine;
+  nx_in    = grid_in->nx;       /* the cubic grid has same resolution on each face */
+  ny_in    = grid_in->ny;
+  nxd      = nx_in + 2;
+  nyd      = ny_in + 2;
+
+  interp->index  = (int    *)malloc(3*nx_out*ny_out*sizeof(int   ));
+  interp->weight = (double *)malloc(4*nx_out*ny_out*sizeof(double));
+
+  if( (opcode & READ) && interp->file_exist ) { /* reading from file */
+    int nx2, ny2, fid, vid;
+
+    /* check the size of the grid matching the size in remapping file */
+    printf("NOTE: reading index and weight for bilinear interpolation from file.\n");
+    fid = mpp_open(interp->remap_file, MPP_READ);
+    nx2 = mpp_get_dimlen(fid, "nlon");
+    ny2 = mpp_get_dimlen(fid, "nlat");
+    printf("grid size is nx=%d, ny=%d, remap file size is nx=%d, ny=%d.\n", nx_out, ny_out, nx2, ny2);
+    if(nx2 != nx_out || ny2 != ny_out ) mpp_error("bilinear_interp: size mismatch between grid size and remap file size");
+    vid = mpp_get_varid(fid, "index");
+    mpp_get_var_value(fid, vid, interp->index);
+    vid = mpp_get_varid(fid, "weight");
+    mpp_get_var_value(fid, vid, interp->weight);
+    mpp_close(fid);
+    return;
+  }
+  
+  /*------------------------------------------------------------------
+    find lower left corner on cubed sphere for given latlon location 
+    ------------------------------------------------------------------*/
+  found    = (int *)malloc(nx_out*ny_out*sizeof(int));
+  index    = (int *)malloc(ntiles_in*3*sizeof(int));
+  shortest = (double *)malloc(ntiles_in*sizeof(double));
+  for(i=0; i<nx_out*ny_out; i++) found[i] = 0;
+    
+  dlon=(M_PI+M_PI)/nx_out;
+  dlat=M_PI/(ny_out-1);
+
+  for(iter=1; iter<=max_iter; iter++) {
+    for(l=0; l<ntiles_in; l++) {
+      for(jc=1; jc<=ny_in; jc++) for(ic=1; ic<=nx_in; ic++) {
+	/*------------------------------------------------------
+	  guess latlon indexes for given cubed sphere cell     
+	  ------------------------------------------------------*/
+	n1 = jc*nxd+ic;
+	n2 = (jc+1)*nxd+ic+1;
+	v1[0] = grid_in[l].xt[n1];
+	v1[1] = grid_in[l].yt[n1];
+	v1[2] = grid_in[l].zt[n1];
+	v2[0] = grid_in[l].xt[n2];
+	v2[1] = grid_in[l].yt[n2];
+	v2[2] = grid_in[l].zt[n2];
+	dcub=iter*normalize_great_circle_distance(v1, v2);
+	j_min=max(   1,  floor((grid_in[l].latt[n1]-dcub+0.5*M_PI)/dlat)-iter+1);
+	j_max=min(ny_out,ceil((grid_in[l].latt[n1]+dcub+0.5*M_PI)/dlat)+iter-1);
+	if (j_min==1 || j_max==ny_out) {
+	  i_min=1;
+	  i_max=nx_out;
+	}
+        else {
+	  i_min=max(   1,  floor((grid_in[l].lont[n1]-dcub)/dlon-iter+1));
+	  i_max=min(nx_out,ceil((grid_in[l].lont[n1]+dcub)/dlon+iter-1));
+	}
+	for(j=j_min-1; j<j_max; j++) for(i=i_min-1; i<i_max; i++) {
+	  n0 = j*nx_out + i;
+	  /*--------------------------------------------------------------------
+            for latlon cell find nearest cubed sphere cell 
+            ------------------------------------------------------------------*/
+	  if (!found[n0]) {
+	    shortest[l]=M_PI+M_PI;
+	    for(jcc=jc; jcc<=min(ny_in, jc+1); jcc++) for(icc=ic; icc<=min(nx_in, ic+1); icc++) {
+	      n1 = jcc*nxd + icc;
+	      n2 = j*nx_out + i;
+	      v1[0] = grid_in[l].xt[n1];
+	      v1[1] = grid_in[l].yt[n1];
+	      v1[2] = grid_in[l].zt[n1];
+	      v2[0] = grid_out->xt[n2];
+	      v2[1] = grid_out->yt[n2];
+	      v2[2] = grid_out->zt[n2];	      
+	      distance=normalize_great_circle_distance(v1, v2);
+	      if (distance < shortest[l]) {
+		shortest[l]=distance;
+		index[3*l]  =icc;
+		index[3*l+1]=jcc;
+		index[3*l+2]=l;
+	      }
+	    }
+	    /*------------------------------------------------
+              determine lower left corner                    
+              ------------------------------------------------*/
+	    found[n0] = get_closest_index(&(grid_in[l]), grid_out, &(interp->index[3*(j*nx_out+i)]), index[3*l],
+			      index[3*l+1], index[3*l+2], i, j);
+	  }
+	}
+      }
+    }
+    if (iter>1) {
+      all_done = 1;
+      for(i=0; i<nx_out*ny_out; i++) {
+	if( !found[i]) {
+	  all_done = 0;
+	  break;
+	}
+      };
+      if (all_done) break;
+    }
+  }
+  
+  /*------------------------------------------------------------------
+    double check if lower left corner was found                      
+    calculate weights for interpolation                              
+    ------------------------------------------------------------------*/
+  for(j=0; j<ny_out; j++) for(i=0; i<nx_out; i++) {
+    n0 = j*nx_out + i;
+    m0 = 3*n0;
+    m1 = 4*n0;
+    if (!found[n0]) {
+      printf("**************************************************************\n");
+      printf("WARNING: didn't find lower left corner for (ilon,jlat) = (%d,%d)\n", i,j);
+      printf("will perform expensive global sweep\n");
+      printf("**************************************************************\n");
+      /*---------------------------------------------------------
+	for latlon cell find nearby cubed sphere cell           
+	---------------------------------------------------------*/
+      for(l=0; l<3*ntiles_in; l++) index[l] = 0;	
+      for(l=0; l<ntiles_in; l++) shortest[l] = M_PI + M_PI;
+      for(l=0; l<ntiles_in; l++) {
+	for(jc=0; jc<ny_in; j++) for(ic=0; ic<nx_in; ic++) {
+	  n1 = jc*nxd+ic;
+	  v1[0] = grid_in[l].xt[n1];
+	  v1[1] = grid_in[l].yt[n1];
+	  v1[2] = grid_in[l].zt[n1];
+	  v0[0] = grid_out[l].xt[n0];
+	  v0[1] = grid_out[l].yt[n0];
+	  v0[2] = grid_out[l].zt[n0];	    
+	  distance=normalize_great_circle_distance(v1, v2);
+	  if (distance<shortest[l]) {
+	    shortest[l]=distance;
+	    index[3*l  ]=ic;
+	    index[3*l+1]=jc;
+	    index[3*l+2]=l;
+	  }
+	}
+      }
+
+      /*---------------------------------------------------------
+	determine lower left corner                             
+	---------------------------------------------------------*/
+      sort_index(ntiles_in, index, shortest);
+      found[n0]=0;
+      for(l=0; l<ntiles_in; l++) {
+	if (!found[n0]) {
+	  found[n0]=get_index(&(grid_in[l]), grid_out, &(interp->index[3*(j*nx_out+i)]), index[3*l],
+			      index[3*l+1], index[3*l+2], i, j);
+	  if (found[n0]) break;
+	}
+      }
+      if (! found[n0] ) mpp_error("error from bilinear_interp: couldn't find lower left corner");
+    }
+    /*------------------------------------------------------------
+      calculate shortest distance to each side of rectangle      
+      formed by cubed sphere cell centers                        
+      special corner treatment                                   
+      ------------------------------------------------------------*/
+    ic=interp->index[m0];
+    jc=interp->index[m0+1];
+    l =interp->index[m0+2];
+    if (ic==nx_in && jc==ny_in) {
+      /*------------------------------------------------------------
+	calculate weights for bilinear interpolation near corner   
+	------------------------------------------------------------*/
+      n1 = jc*nxd+ic;
+      n2 = jc*nxd+ic+1;
+      n3 = (jc+1)*nxd+ic;
+      v1[0] = grid_in[l].xt[n1];
+      v1[1] = grid_in[l].yt[n1];
+      v1[2] = grid_in[l].zt[n1];
+      v2[0] = grid_in[l].xt[n2];
+      v2[1] = grid_in[l].yt[n2];
+      v2[2] = grid_in[l].zt[n2];
+      v3[0] = grid_in[l].xt[n3];
+      v3[1] = grid_in[l].yt[n3];
+      v3[2] = grid_in[l].zt[n3];
+      v0[0] = grid_out->xt[n0];
+      v0[1] = grid_out->yt[n0];
+      v0[2] = grid_out->zt[n0];	  
+      dist1=dist2side(v2, v3, v0);
+      dist2=dist2side(v2, v1, v0);
+      dist3=dist2side(v1, v3, v0);
+      interp->weight[m1]  =dist1;      /* ic,   jc    weight */
+      interp->weight[m1+1]=dist2;      /* ic,   jc+1  weight */
+      interp->weight[m1+2]=0.;         /* ic+1, jc+1  weight */
+      interp->weight[m1+3]=dist3;      /* ic+1, jc    weight */
+             
+      sum=interp->weight[m1]+interp->weight[m1+1]+interp->weight[m1+3];
+      interp->weight[m1]  /=sum;
+      interp->weight[m1+1]/=sum;
+      interp->weight[m1+3]/=sum;
+    }
+    else if (ic==0 && jc==ny_in) {
+      /*------------------------------------------------------------
+	calculate weights for bilinear interpolation near corner   
+	------------------------------------------------------------*/
+	
+      n1 = jc*nxd+ic;
+      n2 = jc*nxd+ic+1;
+      n3 = (jc+1)*nxd+ic+1;
+      v1[0] = grid_in[l].xt[n1];
+      v1[1] = grid_in[l].yt[n1];
+      v1[2] = grid_in[l].zt[n1];
+      v2[0] = grid_in[l].xt[n2];
+      v2[1] = grid_in[l].yt[n2];
+      v2[2] = grid_in[l].zt[n2];
+      v3[0] = grid_in[l].xt[n3];
+      v3[1] = grid_in[l].yt[n3];
+      v3[2] = grid_in[l].zt[n3];
+      v0[0] = grid_out->xt[n0];
+      v0[1] = grid_out->yt[n0];
+      v0[2] = grid_out->zt[n0];	  
+      dist1=dist2side(v3, v2, v0);
+      dist2=dist2side(v2, v1, v0);
+      dist3=dist2side(v3, v1, v0);             
+      interp->weight[m1]  =dist1;      /* ic,   jc    weight */
+      interp->weight[m1+1]=0.;         /* ic,   jc+1  weight */
+      interp->weight[m1+2]=dist2;      /* ic+1, jc+1  weight */
+      interp->weight[m1+3]=dist3;      /* ic+1, jc    weight */
+             
+      sum=interp->weight[m1]+interp->weight[m1+2]+interp->weight[m1+3];
+      interp->weight[m1]  /=sum;
+      interp->weight[m1+2]/=sum;
+      interp->weight[m1+3]/=sum;
+    }
+    else if (jc==0 && ic==nx_in) {
+      /*------------------------------------------------------------
+	calculate weights for bilinear interpolation near corner   
+	------------------------------------------------------------*/
+      n1 = jc*nxd+ic;
+      n2 = (jc+1)*nxd+ic;
+      n3 = (jc+1)*nxd+ic+1;
+      v1[0] = grid_in[l].xt[n1];
+      v1[1] = grid_in[l].yt[n1];
+      v1[2] = grid_in[l].zt[n1];
+      v2[0] = grid_in[l].xt[n2];
+      v2[1] = grid_in[l].yt[n2];
+      v2[2] = grid_in[l].zt[n2];
+      v3[0] = grid_in[l].xt[n3];
+      v3[1] = grid_in[l].yt[n3];
+      v3[2] = grid_in[l].zt[n3];
+      v0[0] = grid_out->xt[n0];
+      v0[1] = grid_out->yt[n0];
+      v0[2] = grid_out->zt[n0];	  
+      dist1=dist2side(v2, v3, v0);
+      dist2=dist2side(v1, v3, v0);
+      dist3=dist2side(v1, v2, v0);             	     
+             
+      interp->weight[m1]  =dist1;      /* ic,   jc    weight */
+      interp->weight[m1+1]=dist2;      /* ic,   jc+1  weight */
+      interp->weight[m1+2]=dist3;      /* ic+1, jc+1  weight */
+      interp->weight[m1+3]=0.;         /* ic+1, jc    weight */
+             
+      sum=interp->weight[m1]+interp->weight[m1+1]+interp->weight[m1+2];
+      interp->weight[m1]  /=sum;
+      interp->weight[m1+1]/=sum;
+      interp->weight[m1+2]/=sum;
+    }
+    else {
+      /*------------------------------------------------------------
+	calculate weights for bilinear interpolation if no corner  
+	------------------------------------------------------------*/
+      n1 = jc*nxd+ic;
+      n2 = jc*nxd+ic+1;
+      n3 = (jc+1)*nxd+ic;
+      n4 = (jc+1)*nxd+ic+1;
+      v1[0] = grid_in[l].xt[n1];
+      v1[1] = grid_in[l].yt[n1];
+      v1[2] = grid_in[l].zt[n1];
+      v2[0] = grid_in[l].xt[n2];
+      v2[1] = grid_in[l].yt[n2];
+      v2[2] = grid_in[l].zt[n2];
+      v3[0] = grid_in[l].xt[n3];
+      v3[1] = grid_in[l].yt[n3];
+      v3[2] = grid_in[l].zt[n3];
+      v4[0] = grid_in[l].xt[n4];
+      v4[1] = grid_in[l].yt[n4];
+      v4[2] = grid_in[l].zt[n4];	
+      v0[0] = grid_out->xt[n0];
+      v0[1] = grid_out->yt[n0];
+      v0[2] = grid_out->zt[n0];	  
+      dist1=dist2side(v1, v3, v0);
+      dist2=dist2side(v3, v4, v0);
+      dist3=dist2side(v4, v2, v0);
+      dist4=dist2side(v2, v1, v0);
+	
+      interp->weight[m1]  =dist2*dist3;      /* ic,   jc    weight */
+      interp->weight[m1+1]=dist3*dist4;      /* ic,   jc+1  weight */
+      interp->weight[m1+2]=dist4*dist1;      /* ic+1, jc+1  weight */
+      interp->weight[m1+3]=dist1*dist2;      /* ic+1, jc    weight */
+             
+      sum=interp->weight[m1]+interp->weight[m1+1]+interp->weight[m1+2]+interp->weight[m1+3];
+      interp->weight[m1]  /=sum;
+      interp->weight[m1+1]/=sum;
+      interp->weight[m1+2]/=sum;
+      interp->weight[m1+3]/=sum;
+    }
+  }
+
+  /* write out weight information if needed */
+  if( opcode & WRITE ) {
+    int fid, dim_three, dim_four, dim_nlon, dim_nlat, dims[3];
+    int fld_index, fld_weight;
+    
+    fid = mpp_open( interp->remap_file, MPP_WRITE);
+    dim_nlon = mpp_def_dim(fid, "nlon", nx_out);
+    dim_nlat = mpp_def_dim(fid, "nlat", ny_out);
+    dim_three = mpp_def_dim(fid, "three", 3);
+    dim_four  = mpp_def_dim(fid, "four", 4);
+    
+    dims[0] = dim_three; dims[1] = dim_nlat; dims[2] = dim_nlon;
+    fld_index = mpp_def_var(fid, "index", NC_INT, 3, dims, 0);
+    dims[0] = dim_four; dims[1] = dim_nlat; dims[2] = dim_nlon;
+    fld_weight = mpp_def_var(fid, "weight", NC_DOUBLE, 3, dims, 0);
+    mpp_end_def(fid);
+    mpp_put_var_value(fid, fld_index, interp->index);
+    mpp_put_var_value(fid, fld_weight, interp->weight);
+    mpp_close(fid);
+  }
+
+  /* release the memory */
+  free(found);
+  free(shortest);
+  free(index);
+  
+  printf("\n done calculating interp_index and interp_weight\n");
+}; /* setup_bilinear_interp */
+
+/*----------------------------------------------------------------------------
+   void do_scalar_bilinear_interp(Mosaic_config *input, Mosaic_config *output, int varid )
+   interpolate scalar data to latlon,                               !
+   --------------------------------------------------------------------------*/
+void do_scalar_bilinear_interp(const Interp_config *interp, int vid, int ntiles_in, const Grid_config *grid_in, const Grid_config *grid_out,
+			  const Field_config *field_in, Field_config *field_out, int finer_step, int fill_missing)
+{
+  int    nx_in, ny_in, nx_out, ny_out, nz;
+  int    n, ts, tn, tw, te;
+  int    has_missing;
+  double missing;
+  double *data_fine;
+  
+  /*------------------------------------------------------------------
+    determine target grid resolution                                 
+    ------------------------------------------------------------------*/
+  nx_out     = grid_out->nx_fine;
+  ny_out     = grid_out->ny_fine;
+  nx_in       = grid_in->nx;
+  ny_in       = grid_in->ny;
+  nz          = field_in[0].var[vid].nz;
+  missing     = field_in[0].var[vid].missing;
+  has_missing = field_in[0].var[vid].has_missing;
+
+  data_fine = (double *)malloc(nx_out*ny_out*nz*sizeof(double));
+
+  do_c2l_interp(interp, nx_in, ny_in, nz, field_in, nx_out, ny_out, data_fine, has_missing, missing, fill_missing);
+  do_latlon_coarsening(data_fine, grid_out->latt1D_fine, nx_out, ny_out, nz, field_out->data,
+		       finer_step, has_missing, missing);
+  free(data_fine);
+  
+}; /* do_c2l_scalar_interp */
+
+
+   
+/*----------------------------------------------------------------------------
+   void do_vector_bilinear_interp()
+   interpolate vector data to latlon,                               !
+   --------------------------------------------------------------------------*/
+void do_vector_bilinear_interp(Interp_config *interp, int vid, int ntiles_in, const Grid_config *grid_in, int ntiles_out, 
+			  const Grid_config *grid_out, const Field_config *u_in,  const Field_config *v_in,
+			  Field_config *u_out, Field_config *v_out, int finer_step, int fill_missing)
+{
+  Field_config *var_cubsph;
+  int          nx_in, ny_in, nx_out, ny_out, nxd, nyd, nz, has_missing;
+  int          i, j, k, n, n1, n2, ts, tn, tw, te;
+  double       missing;
+  double       *x_latlon, *y_latlon, *z_latlon, *var_latlon;
+  
+  nx_out      = grid_out->nx_fine;
+  ny_out      = grid_out->ny_fine;
+  nx_in       = grid_in->nx;
+  ny_in       = grid_in->ny;
+  nxd         = nx_in + 2;
+  nyd         = ny_in + 2;
+  nz          = u_in[0].var[vid].nz;
+  missing     = u_in[0].var[vid].missing;
+  has_missing = u_in[0].var[vid].has_missing;
+
+
+  x_latlon   = (double *)malloc(nx_out*ny_out*nz*sizeof(double));
+  y_latlon   = (double *)malloc(nx_out*ny_out*nz*sizeof(double));
+  z_latlon   = (double *)malloc(nx_out*ny_out*nz*sizeof(double));
+  var_latlon = (double *)malloc(nx_out*ny_out*nz*sizeof(double));
+  var_cubsph = (Field_config *)malloc(ntiles_in*sizeof(Field_config));
+  for(n=0; n<ntiles_in; n++) var_cubsph[n].data = (double *)malloc((nx_in+2)*(ny_in+2)*nz*sizeof(double));
+
+  for(n=0; n<ntiles_in; n++) {
+    for(k=0; k<nz; k++) for(j=0; j<nyd; j++) for(i=0; i<nxd; i++) {
+      n1 = k*nxd*nyd + j*nxd + i;
+      n2 = j*nxd + i;
+      var_cubsph[n].data[n1] = u_in[n].data[n1]*grid_in[n].vlon_t[3*n2]+v_in[n].data[n1]*grid_in[n].vlat_t[3*n2];
+    }
+  }
+
+  do_c2l_interp(interp, nx_in, ny_in, nz, var_cubsph, nx_out, ny_out, x_latlon, has_missing, missing, fill_missing);  
+
+  for(n=0; n<ntiles_in; n++) {
+    for(k=0; k<nz; k++) for(j=0; j<nyd; j++) for(i=0; i<nxd; i++) {
+      n1 = k*nxd*nyd + j*nxd + i;
+      n2 = j*nxd + i;
+      var_cubsph[n].data[n1] = u_in[n].data[n1]*grid_in[n].vlon_t[3*n2+1]+v_in[n].data[n1]*grid_in[n].vlat_t[3*n2+1];
+    }
+  }
+  do_c2l_interp(interp, nx_in, ny_in, nz, var_cubsph, nx_out, ny_out, y_latlon, has_missing, missing, fill_missing);  
+  
+  for(n=0; n<ntiles_in; n++) {
+    for(k=0; k<nz; k++) for(j=0; j<nyd; j++) for(i=0; i<nxd; i++) {
+      n1 = k*nxd*nyd + j*nxd + i;
+      n2 = j*nxd + i;
+      var_cubsph[n].data[n1] = u_in[n].data[n1]*grid_in[n].vlon_t[3*n2+2]+v_in[n].data[n1]*grid_in[n].vlat_t[3*n2+2];
+    }
+  }
+
+  do_c2l_interp(interp, nx_in, ny_in, nz, var_cubsph, nx_out, ny_out, z_latlon, has_missing, missing, fill_missing);  
+
+  for(n=0; n<ntiles_in; n++) free(var_cubsph[n].data);
+  free(var_cubsph);
+
+  
+  for(k=0; k<nz; k++) for(j=0; j<ny_out; j++) for(i=0; i<nx_out; i++) {
+    n1 = k*nx_out*ny_out + j*nx_out + i;
+    n2 = j*nx_out + i;
+    var_latlon[n1] = x_latlon[n1]*grid_out->vlon_t[3*n2] +  y_latlon[n1]*grid_out->vlon_t[3*n2+1] +  z_latlon[n1]*grid_out->vlon_t[3*n2+2];
+  }
+  do_latlon_coarsening(var_latlon, grid_out->latt1D_fine, nx_out, ny_out, nz, u_out->data,
+		       finer_step, has_missing, missing);
+
+  for(k=0; k<nz; k++) for(j=0; j<ny_out; j++) for(i=0; i<nx_out; i++) {
+    n1 = k*nx_out*ny_out + j*nx_out + i;
+    n2 = j*nx_out + i;
+    var_latlon[n1] = x_latlon[n1]*grid_out->vlat_t[3*n2] +  y_latlon[n1]*grid_out->vlat_t[3*n2+1] +  z_latlon[n1]*grid_out->vlat_t[3*n2+2];
+  }
+
+  do_latlon_coarsening(var_latlon, grid_out->latt1D_fine, nx_out, ny_out, nz, v_out->data,
+		       finer_step, has_missing, missing);
+
+  free(x_latlon);
+  free(y_latlon);
+  free(z_latlon);
+    
+}; /* do_vector_bilinear_interp */
+
+
+void do_c2l_interp(const Interp_config *interp, int nx_in, int ny_in, int nz, const Field_config *field_in,
+		   int nx_out, int ny_out, double *data_out, int has_missing, double missing, int fill_missing )
+{
+  int i, j, k, nxd, nyd, ic, jc, ind, n1, tile;
+  double d_in[4];
+  
+  nxd = nx_in + 2;
+  nyd = ny_in + 2;
+  
+  if (has_missing) {
+    for(k=0; k<nz; k++) for(j=0; j<ny_out; j++) for(i=0; i<nx_out; i++) {
+      n1      = j*nx_out+i;
+      ic      = interp->index[3*n1];
+      jc      = interp->index[3*n1+1];
+      tile    = interp->index[3*n1+2];
+      d_in[0] = field_in[tile].data[k*nxd*nyd+jc    *nxd+ic];
+      d_in[1] = field_in[tile].data[k*nxd*nyd+(jc+1)*nxd+ic];
+      d_in[2] = field_in[tile].data[k*nxd*nyd+(jc+1)*nxd+ic+1];
+      d_in[3] = field_in[tile].data[k*nxd*nyd+jc    *nxd+ic+1];
+      if (d_in[0] == missing || d_in[1] == missing || d_in[3] == missing || d_in[4] == missing ) {
+	if (fill_missing) {
+	  ind = max_weight_index( &(interp->weight[4*n1]), 4);
+	  data_out[k*nx_out*ny_out+n1] = d_in[ind];
+	}
+	else {
+	  data_out[k*nx_out*ny_out+n1] = missing;
+	}
+      }
+      else {
+	data_out[k*nx_out*ny_out+n1] = d_in[0]*interp->weight[4*n1] + d_in[1]*interp->weight[4*n1+1]
+	  + d_in[2]*interp->weight[4*n1+2] + d_in[3]*interp->weight[4*n1+3];
+      }
+    }
+  }
+  else {
+    for(k=0; k<nz; k++) for(j=0; j<ny_out; j++) for(i=0; i<nx_out; i++) {
+      n1      = j*nx_out+i;
+      ic      = interp->index[3*n1];
+      jc      = interp->index[3*n1+1];
+      tile    = interp->index[3*n1+2];
+      d_in[0] = field_in[tile].data[k*nxd*nyd+jc    *nxd+ic];
+      d_in[1] = field_in[tile].data[k*nxd*nyd+(jc+1)*nxd+ic];
+      d_in[2] = field_in[tile].data[k*nxd*nyd+(jc+1)*nxd+ic+1];
+      d_in[3] = field_in[tile].data[k*nxd*nyd+jc    *nxd+ic+1];
+      data_out[k*nx_out*ny_out+n1] = d_in[0]*interp->weight[4*n1] + d_in[1]*interp->weight[4*n1+1]
+	+ d_in[2]*interp->weight[4*n1+2] + d_in[3]*interp->weight[4*n1+3];
+    }
+  }
+  
+}; /* do_c2l_interp */
+
+   
+/*------------------------------------------------------------------
+  void sort_index()
+  sort index by shortest                                         
+  ----------------------------------------------------------------*/
+void sort_index(int ntiles, int *index, double *shortest)
+{
+  int l, ll, lll, i;
+  double *shortest_sort;
+  int    *index_sort;
+
+  shortest_sort = (double *)malloc(3*ntiles*sizeof(double));
+  index_sort    = (int    *)malloc(  ntiles*sizeof(int   ));
+  
+  for(l=0; l<3*ntiles; l++)index_sort[l] = 0;
+  for(l=0; l<ntiles; l++)shortest_sort[l] = M_PI+M_PI;
+  for(l=0; l<ntiles; l++) {
+    for(ll=0; ll<ntiles; ll++) {
+      if (shortest[l]<shortest_sort[ll]) {
+	for(lll=ntiles-2; lll>=ll; lll--) {
+	  index_sort[3*lll+1]=index_sort[3*lll];
+	  shortest_sort[lll+1]=shortest_sort[lll];
+	}
+	for(i=0; i<3; i++) index_sort[3*ll+i]=index[3*l+i];
+	shortest_sort[ll]=shortest[l];
+	break;
+      }
+    }
+  }
+
+  for(l=0; l<3*ntiles; l++) index[l]    = index_sort[l];
+  for(l=0; l<  ntiles; l++) shortest[l] = shortest_sort[l];
+
+  free(shortest_sort);
+  free(index_sort);
+  
+}; /* sort_index */
+
+
+/*------------------------------------------------------------------
+  void get_index(ig, jg, lg)
+  determine lower left corner                                    
+  ----------------------------------------------------------------*/
+int get_index(const Grid_config *grid_in, const Grid_config *grid_out, int *index,
+	       int i_in, int j_in, int l_in, int i_out, int j_out)
+{
+  int    ok, n0, n1, n2, n3, n4, n5;
+  int    nx_in, ny_in, nx_out, ny_out;
+  double v0[3], v1[3], v2[3], v3[3], v4[3], v5[3];
+  double angle_1, angle_1a, angle_1b, angle_2, angle_2a, angle_2b;
+  double angle_3, angle_3a, angle_3b, angle_4, angle_4a, angle_4b;
+  
+  ok=1;
+  nx_in  = grid_in->nx_fine;
+  ny_in  = grid_in->nx_fine;
+  nx_out = grid_out->nx;
+  ny_out = grid_out->nx;
+  n0 = j_out*nx_out + i_out;
+  n1 = j_in*nx_in + i_in;
+  n2 = j_in*nx_in + i_in+1;
+  n3 = (j_in+1)*nx_in + i_in;
+  v0[0] = grid_out->xt[n1];
+  v0[1] = grid_out->yt[n1];
+  v0[2] = grid_out->zt[n1];
+  v1[0] = grid_in->xt[n1];
+  v1[1] = grid_in->yt[n1];
+  v1[2] = grid_in->zt[n1];
+  v2[0] = grid_in->xt[n2];
+  v2[1] = grid_in->yt[n2];
+  v2[2] = grid_in->zt[n2];
+  v3[0] = grid_in->xt[n3];
+  v3[1] = grid_in->yt[n3];
+  v3[2] = grid_in->zt[n3];
+  angle_1 = spherical_angle(v1, v2, v3);
+  angle_1a= spherical_angle(v1, v2, v0); 
+  angle_1b= spherical_angle(v1, v3, v0);
+  
+  if (max(angle_1a,angle_1b)<angle_1) {
+    index[0]=i_in;
+    index[1]=j_in;
+    index[2]=l_in;
+  }
+  else {
+    n4 = j_in*nx_in + i_in-1;
+    v4[0] = grid_in->xt[n4];
+    v4[1] = grid_in->yt[n4];
+    v4[2] = grid_in->zt[n4];
+    angle_2 =spherical_angle(v1, v3, v4);
+    angle_2a=angle_1b;
+    angle_2b=spherical_angle(v1, v4, v0);
+    if (max(angle_2a,angle_2b)<angle_2) {
+      index[0]=i_in-1;
+      index[1]=j_in;
+      index[2]=l_in;
+    }
+    else {
+      n5 = (j_in-1)*nx_in + i_in;
+      v5[0] = grid_in->xt[n5];
+      v5[1] = grid_in->yt[n5];
+      v5[2] = grid_in->zt[n5];      
+      angle_3 =spherical_angle(v1, v4, v5);
+      angle_3a=angle_2b;
+      angle_3b=spherical_angle(v1, v5, v0);
+      if (max(angle_3a,angle_3b)<angle_3 && i_in>1 && j_in>1) {
+	index[0]=i_in-1;
+	index[1]=j_in-1;
+	index[2]=l_in;
+      }
+      else {
+	angle_4 =spherical_angle(v1, v5, v2);
+	angle_4a=angle_3b;
+	angle_4b=spherical_angle(v1, v2, v0);
+	if (max(angle_4a,angle_4b)<angle_4) {
+	  index[0]=i_in;
+	  index[1]=j_in-1;
+	  index[2]=l_in;
+	}
+        else {
+	  ok=0;
+	}
+      }
+    }
+  }
+  return ok;
+  
+}; /* get_index */
+
+
+/*-------------------------------------------------------------
+  determine lower left corner
+  void get_closest_index(int ig, int jg, int lg, int ok)
+  --------------------------------------------------------------*/
+int get_closest_index(const Grid_config *grid_in, const Grid_config *grid_out, int *index,
+		      int i_in, int j_in, int l_in, int i_out, int j_out)
+{
+  int found;
+  double angle_11, angle_11a, angle_11b;
+  double angle_22, angle_22a, angle_22b;
+  double angle_33, angle_33a, angle_33b;
+  double angle_44, angle_44a, angle_44b;
+  double angle_1,  angle_1a,  angle_1b;
+  double angle_2,  angle_2a,  angle_2b;
+  double angle_3,  angle_3a,  angle_3b;
+  double angle_4,  angle_4a,  angle_4b;  
+  int    n0, n1, n2, n3, n4, n5, n6, n7, n8;
+  int    nx_in, ny_in, nx_out, ny_out, nxd;
+  double v0[3], v1[3], v2[3], v3[3], v4[3], v5[3], v6[3], v7[3], v8[3];
+
+  found = 0;
+  nx_in  = grid_in->nx;
+  ny_in  = grid_in->ny;
+  nxd    = nx_in + 2;
+  nx_out = grid_out->nx_fine;
+  ny_out = grid_out->ny_fine;
+  n0     = j_out*nx_out+i_out;
+  n1     = j_in*nxd+i_in;
+  n2     = j_in*nxd+i_in+1;
+  n3     = (j_in+1)*nxd+i_in;
+  v1[0]  = grid_in->xt[n1];
+  v1[1]  = grid_in->yt[n1];
+  v1[2]  = grid_in->zt[n1];
+  v2[0]  = grid_in->xt[n2];
+  v2[1]  = grid_in->yt[n2];
+  v2[2]  = grid_in->zt[n2];
+  v3[0]  = grid_in->xt[n3];
+  v3[1]  = grid_in->yt[n3];
+  v3[2]  = grid_in->zt[n3];
+  v0[0]  = grid_out->xt[n0];
+  v0[1]  = grid_out->yt[n0];
+  v0[2]  = grid_out->zt[n0];
+  angle_1 =spherical_angle(v1, v2, v3);
+  angle_1a=spherical_angle(v1, v2, v0);
+  angle_1b=spherical_angle(v1, v3, v0);
+  if (max(angle_1a,angle_1b) <= angle_1) {
+    if (i_in==nx_in && j_in==ny_in) {
+      angle_11 =spherical_angle(v2, v3, v1);
+      angle_11a=spherical_angle(v2, v1, v0);
+      angle_11b=spherical_angle(v2, v3, v0);
+    }
+    else {
+      n4 = (j_in+1)*nxd+i_in+1;
+      v4[0]  = grid_in->xt[n4];
+      v4[1]  = grid_in->yt[n4];
+      v4[2]  = grid_in->zt[n4];
+      angle_11 =spherical_angle(v4, v3, v2);
+      angle_11a=spherical_angle(v4, v2, v0);
+      angle_11b=spherical_angle(v4, v3, v0);
+    }
+    if (max(angle_11a,angle_11b)<=angle_11) {
+      found = 1;
+      index[0]=i_in;
+      index[1]=j_in;
+      index[2]=l_in;
+    }
+  }
+  else {
+    n4 = j_in*nxd+i_in-1;
+    v4[0]  = grid_in->xt[n4];
+    v4[1]  = grid_in->yt[n4];
+    v4[2]  = grid_in->zt[n4]; 
+    angle_2 =spherical_angle(v1,v3,v4);
+    angle_2a=angle_1b;
+    angle_2b=spherical_angle(v1,v4,v0);
+    if (max(angle_2a,angle_2b)<=angle_2) {
+      if (i_in==1 && j_in==ny_in) {
+	angle_22 =spherical_angle(v3, v1, v4);
+	angle_22a=spherical_angle(v3, v4, v0);
+	angle_22b=spherical_angle(v3, v1, v0);
+      }
+      else {
+	n5 = (j_in+1)*nxd+i_in-1;
+	n6 = j_in    *nxd+i_in-1;
+	v5[0]  = grid_in->xt[n5];
+	v5[1]  = grid_in->yt[n5];
+	v5[2]  = grid_in->zt[n5];
+	v6[0]  = grid_in->xt[n6];
+	v6[1]  = grid_in->yt[n6];
+	v6[2]  = grid_in->zt[n6];
+	angle_22 =spherical_angle(v5, v3, v6);
+	angle_22a=spherical_angle(v5, v6, v0);
+	angle_22b=spherical_angle(v5, v3, v0);
+      }
+      if (max(angle_22a,angle_22b)<=angle_22) {
+	found=1;
+	index[0]=i_in-1;
+	index[1]=j_in;
+	index[2]=l_in;
+      }
+    }
+    else {
+      n5 = j_in*nxd+i_in-1;
+      n6 = (j_in-1)*nxd+i_in;
+      v5[0]  = grid_in->xt[n5];
+      v5[1]  = grid_in->yt[n5];
+      v5[2]  = grid_in->zt[n5];
+      v6[0]  = grid_in->xt[n6];
+      v6[1]  = grid_in->yt[n6];
+      v6[2]  = grid_in->zt[n6];	  
+      angle_3 =spherical_angle(v1, v5, v6);
+      angle_3a=angle_2b;
+      angle_3b=spherical_angle(v1, v6, v0);
+      if (max(angle_3a,angle_3b)<=angle_3 && i_in>1 && j_in>1) {
+	n7 = (j_in-1)*nxd+i_in-1;
+	v7[0]  = grid_in->xt[n7];
+	v7[1]  = grid_in->yt[n7];
+	v7[2]  = grid_in->zt[n7];    
+	angle_33 =spherical_angle(v7, v6, v5);
+	angle_33a=spherical_angle(v7, v5, v0);
+	angle_33b=spherical_angle(v7, v6, v0);
+	if (max(angle_33a,angle_33b)<=angle_33) {
+	  found=1;
+	  index[0]=i_in-1;
+	  index[1]=j_in-1;
+	  index[2]=l_in;
+	}
+      }
+      else {
+	angle_4 =spherical_angle(v1, v6, v2);
+	angle_4a=angle_3b;
+	angle_4b=spherical_angle(v1, v2, v0);
+	if (max(angle_4a,angle_4b)<=angle_4) {
+	  if (i_in==nx_in && j_in==1) {
+	    angle_44 =spherical_angle(v2, v1, v6);
+	    angle_44a=spherical_angle(v2, v6, v0);
+	    angle_44b=spherical_angle(v2, v1, v0);
+	  }
+	  else {
+	    n8 = (j_in-1)*nxd+i_in+1;
+	    v8[0]  = grid_in->xt[n8];
+	    v8[1]  = grid_in->yt[n8];
+	    v8[2]  = grid_in->zt[n8];   
+	    angle_44 =spherical_angle(v8, v2, v6);
+	    angle_44a=spherical_angle(v8, v6, v0);
+	    angle_44b=spherical_angle(v8, v2, v0);
+	  }
+	  if (max(angle_44a,angle_44b)<=angle_44) {
+	    found=1;
+	    index[0]=i_in;
+	    index[1]=j_in-1;
+	    index[2]=l_in;
+	  }
+	}
+      }
+    }
+  }
+  return found;
+  
+}; /* get_closest_index */
+	      
+
+
+/*--------------------------------------------------------------------------
+
+calculate normalized great circle distance between v1 and v2 
+double normalize_great_circle_distance(v1, v2)
+---------------------------------------------------------------------------*/
+double normalize_great_circle_distance(const double *v1, const double *v2)
+{
+  double dist;
+
+  dist=(v1[0]*v2[0]+v1[1]*v2[1]+v1[2]*v2[2])
+    /sqrt((v1[0]*v1[0]+v1[1]*v1[1]+v1[2]*v1[2])                 
+	  *(v2[0]*v2[0]+v2[1]*v2[1]+v2[2]*v2[2]));
+  dist = sign(min(1.,fabs(dist)),dist);
+  dist = acos(dist);
+  return dist;
+  
+}; /* normalize_great_circle_distance */
+
+/*------------------------------------------------------------------
+  double spherical_angle(v1, v2, v3)
+
+  calculate spherical angle of a triangle formed by v1, v2 and v3 at v1                                                            
+  ------------------------------------------------------------------*/
+/* double spherical_angle(double *v1, double *v2, double *v3) */
+/* { */
+/*   double angle; */
+/*   double px, py, pz, qx, qy, qz, abs_p, abs_q; */
+
+/*   /* vector product between v1 and v2 */
+/*   px = v1[1]*v2[2] - v1[2]*v2[1]; */
+/*   py = v1[2]*v2[0] - v1[0]*v2[2]; */
+/*   pz = v1[0]*v2[1] - v1[1]*v2[0]; */
+/*   /* vector product between v1 and v3  */
+/*   qx = v1[1]*v3[2] - v1[2]*v3[1]; */
+/*   qy = v1[2]*v3[0] - v1[0]*v3[2]; */
+/*   qz = v1[0]*v3[1] - v1[1]*v3[0]; */
+    
+/*   /* angle between p and q */ 
+/*   abs_p=px*px+py*py+pz*pz; */
+/*   abs_q=qx*qx+qy*qy+qz*qz; */
+/*   if (abs_p*abs_q==0.) */
+/*     angle=0.; */
+/*   else { */
+/*     angle = (px*qx+py*qy+pz*qz)/sqrt(abs_p*abs_q); */
+/*     angle = sign(min(1.,fabs(angle)),angle); */
+/*     angle = acos(angle); */
+/*   } */
+
+/*   return angle; */
+/* }; /* spherical_angle */
+
+/*---------------------------------------------------------------------
+  double dist2side(v1, v2, point)
+  calculate shortest normalized distance on sphere                 
+  from point to straight line defined by v1 and v2                 
+  ------------------------------------------------------------------*/
+double dist2side(const double *v1, const double *v2, const double *point)
+{
+  double angle, side;
+
+  angle = spherical_angle(v1, v2, point);
+  side  = normalize_great_circle_distance(v1, point);
+
+  return (asin(sin(side)*sin(angle)));
+
+};/* dist2side */
+
+  
+int max_weight_index( double *var, int nvar)
+{
+
+  int ind, i;
+
+  ind = 0;
+
+  for(i=1; i<nvar; i++) {
+    if(var[i]>var[ind]) ind = i;
+  }
+
+  return ind;
+}
+
+/*------------------------------------------------------------------------------
+  void do_latlon_coarsening(var_latlon, ylat, nlon, nlat, nz,     
+                            var_latlon_crs, nlon_crs, nlat_crs,   
+                            finer_steps, misval, varmisval)
+
+  calculate variable on coarser latlon grid                        
+  by doubling spatial resolution and preserving volume means       
+  ---------------------------------------------------------------------------*/
+void do_latlon_coarsening(const double *var_latlon, const double *ylat, int nlon, int nlat, int nz,    
+			  double *var_latlon_crs, int finer_steps, int has_missing, double missvalue)
+{
+
+  double  *var_latlon_old, *ylat_old, *var_latlon_new;
+  double  dlat;
+  int     nlon_old, nlat_old, nlon_new, nlat_new, steps, i, j;
+  int     nlon_crs, nlat_crs;
+  
+  nlon_crs=nlon/pow(2,finer_steps);
+  nlat_crs=(nlat-1)/pow(2,finer_steps)+1;
+  switch (finer_steps) {
+  case 0:
+    if (nlon_crs !=nlon || nlat_crs != nlat) mpp_error("bilinear_interp(do_latlon_coarsening): grid dimensions don't match");
+    for(i=0; i<nlon*nlat*nz; i++) var_latlon_crs[i] = var_latlon[i];
+    break;
+  case 1:
+    redu2x(var_latlon, ylat, nlon, nlat, var_latlon_crs, nlon_crs, nlat_crs, nz, has_missing, missvalue);
+    break;
+  default:
+    nlon_new=nlon;
+    nlat_new=nlat;
+    for(steps=1; steps<=finer_steps; steps++) {
+      nlon_old=nlon_new;
+      nlat_old=nlat_new;
+      var_latlon_old = (double *)malloc(nlon_old*nlat_old*nz*sizeof(double));
+      ylat_old       = (double *)malloc(nlat_old*sizeof(double));
+      if (steps==1) {
+	for(i=0; i<nlat; i++) ylat_old[i] = ylat[i]; 
+	for(i=0; i<nlon_old*nlat_old*nz; i++) var_latlon_old[i] = var_latlon[i];
+      }
+      else {
+	dlat=M_PI/(nlat_old-1);
+	ylat_old[0]=-0.5*M_PI;
+	ylat_old[nlat_old-1]= 0.5*M_PI;
+	for(j=1; j<nlat_old-1; j++) ylat_old[j] = ylat_old[0] + j*dlat;
+	for(i=0; i<nlon_old*nlat_old*nz; i++) var_latlon_old[i] = var_latlon_new[i];
+	free(var_latlon_new);
+      }
+          
+      nlon_new=nlon_new/2;
+      nlat_new=(nlat_new-1)/2+1;
+      var_latlon_new = (double *)malloc(nlon_new*nlat_new*nz*sizeof(double));
+      redu2x(var_latlon_old, ylat_old, nlon_old, nlat_old, var_latlon_new, nlon_new, nlat_new, nz, has_missing, missvalue);
+      free(var_latlon_old);
+      free(ylat_old);
+    }
+    for(i=0; i<nlon_new*nlat_new*nz; i++) var_latlon_crs[i] = var_latlon_new[i];
+    free(var_latlon_new);
+  }
+}; /* do_latlon_coarsening */
+
+/*------------------------------------------------------------------------------
+  void redu2x(varfin, yfin, nxfin, nyfin, varcrs, nxcrs, nycrs)
+  this routine is for reducing fvccm data by a factor of 2       
+  volume averaging for all data except at the poles              
+  original developer: S.-J. Lin                                  
+  ----------------------------------------------------------------------------*/
+void redu2x(const double *varfin, const double *yfin, int nxfin, int nyfin, double *varcrs,
+	    int nxcrs, int nycrs, int nz, int has_missing, double missvalue)
+{
+  double  *cosp, *acosp, *vartmp;
+  int     i, j, k, i2, j2, n1, n2;
+
+  /*------------------------------------------------------------------
+    calculate cosine of latitude                                   
+    trick in cosp needed to maintain a constant field              
+    ----------------------------------------------------------------*/
+  cosp  = (double *)malloc(nyfin*sizeof(double));
+  acosp = (double *)malloc(nyfin*sizeof(double));
+  vartmp = (double *)malloc(nxcrs*nyfin*nz*sizeof(double));
+  cosp[0]=0.;
+  cosp[nyfin-1]=0.;
+  for(j=1; j<nyfin-1; j++) cosp[j]  = cos(yfin[j]);
+  for(j=1; j<nyfin-1; j++) acosp[j] = 1./(cosp[j]+0.5*(cosp[j-1]+cosp[j+1]));
+
+  /*----------------------------------------------------------------
+    x-sweep                                                        
+    ----------------------------------------------------------------*/
+  if(has_missing) {
+    for(k=0; k<nz; k++) for(j=1; j<nyfin-1; j++) {
+      n1 = k*nxfin*nyfin+j*nxfin;
+      n2 = k*nxcrs*nyfin+j*nxcrs;
+      if (varfin[n1+nxfin-1] == missvalue || varfin[n1] == missvalue || varfin[n1+1] == missvalue)
+	vartmp[n2] = missvalue;
+      else
+	vartmp[n2] = 0.25*(varfin[n1+nxfin-1]+2.*varfin[n1]+varfin[n1+1]);
+      for(i=2; i<nxfin-1; i+=2) {
+	i2 = i/2;
+	if (varfin[n1+i-1] == missvalue || varfin[n1+i] == missvalue || varfin[n1+i+1] == missvalue) 
+	  vartmp[n2+i2] = missvalue;
+        else
+	  vartmp[n2+i2] = 0.25*(varfin[n1+i-1]+2.*varfin[n1+i]+varfin[n1+i+1]);
+      }
+    }
+  }
+  else {
+    for(k=0; k<nz; k++) for(j=1; j<nyfin-1; j++) {
+      n1 = k*nxfin*nyfin+j*nxfin;
+      n2 = k*nxcrs*nyfin+j*nxcrs;
+      vartmp[n2] = 0.25*(varfin[n1+nxfin-1]+2.*varfin[n1]+varfin[n1+1]);
+      for(i=2; i<nxfin-1; i+=2) {
+	i2 = i/2;
+	vartmp[n2+i2] = 0.25*(varfin[n1+i-1]+2.*varfin[n1+i]+varfin[n1+i+1]);
+      }
+    }
+  }
+  /*---------------------------------------------------------------------
+    poles:                                                         
+    this code segment works for both the scalar and vector fields. 
+    Winds at poles are wave-1; the follwoing is quick & dirty yet the correct way
+    The skipping method. A more rigorous way is to                 
+    recompute the wave-1 components for the coarser grid.          
+    --------------------------------------------------------------------*/
+  for(k=0; k<nz; k++) for(i=0; i<nxcrs; i++) {
+    i2 = i*2;
+    n1 = k*nxcrs*nycrs;
+    n2 = k*nxfin*nyfin; 
+    varcrs[n1+i] = varfin[n2+i2];
+    varcrs[n1+(nycrs-1)*nxcrs+i] = varfin[n1+(nyfin-1)*nxfin+i2];
+  }
+  /*----------------------------------------------------------------
+    y-sweep                                                        
+    ----------------------------------------------------------------*/
+  if (has_missing) {
+    for(k=0; k<nz; k++) for(j=1; j<nyfin-1; j++) for(i=0; i<nxcrs; i++) {
+      n1 = k*nxcrs*nyfin+j*nxcrs+i;
+      if (vartmp[n1] /= missvalue) vartmp[n1] *= cosp[j];
+    }
+    for(k=0; k<nz; k++) for(j=2; j<nyfin-2; j+=2) {
+      j2 = j/2;
+      for(i=0; i<nxcrs; i++) {
+	n1 = k*nxcrs*nyfin + i;
+	n2 = k*nxcrs*nycrs + i;
+	if (vartmp[n1+j*nxcrs] == missvalue || vartmp[n1+(j-1)*nxcrs] == missvalue
+	    || vartmp[n1+(j+1)*nxcrs] == missvalue )
+	  varcrs[n2+j2*nxcrs] = missvalue;
+	else
+	  varcrs[n2+j2*nxcrs] = acosp[j]*(vartmp[n1+j*nxcrs] + 0.5*(vartmp[n1+(j-1)*nxcrs]+ vartmp[n1+(j+1)*nxcrs]));
+      }
+    }
+  }
+  else {
+    for(k=0; k<nz; k++) for(j=1; j<nyfin-1; j++) for(i=0; i<nxcrs; i++) {
+      n1 = k*nxcrs*nyfin+j*nxcrs+i;
+      vartmp[n1] *= cosp[j];
+    }
+    for(k=0; k<nz; k++) for(j=2; j<nyfin-2; j+=2) {
+      j2 = j/2;
+      for(i=0; i<nxcrs; i++) {
+	n1 = k*nxcrs*nyfin + i;
+	n2 = k*nxcrs*nycrs + i;
+	varcrs[n2+j2*nxcrs] = acosp[j]*(vartmp[n1+j*nxcrs] + 0.5*(vartmp[n1+(j-1)*nxcrs]+ vartmp[n1+(j+1)*nxcrs]));
+      }
+    }
+  }
+
+  free(cosp);
+  free(acosp);
+  free(vartmp);
+  
+}; /*redu2x*/
+
+
diff --git a/gridspec_tools_20080702/tools/fregrid/bilinear_interp.h b/gridspec_tools_20080702/tools/fregrid/bilinear_interp.h
new file mode 100644
index 0000000..faead20
--- /dev/null
+++ b/gridspec_tools_20080702/tools/fregrid/bilinear_interp.h
@@ -0,0 +1,10 @@
+#ifndef BILINEAR_INTERP_H_
+#define BILINEAR_INTERP_H_
+void setup_bilinear_interp(int ntiles_in, const Grid_config *grid_in, int ntiles_out, const Grid_config *grid_out, 
+                      Interp_config *interp, unsigned int opcode);
+void do_scalar_bilinear_interp(const Interp_config *interp, int vid, int ntiles_in, const Grid_config *grid_in, const Grid_config *grid_out,
+                          const Field_config *field_in, Field_config *field_out, int finer_step, int fill_missing);
+void do_vector_bilinear_interp(Interp_config *interp, int vid, int ntiles_in, const Grid_config *grid_in, int ntiles_out, 
+			  const Grid_config *grid_out, const Field_config *u_in,  const Field_config *v_in,
+			  Field_config *u_out, Field_config *v_out, int finer_step, int fill_missing);
+#endif
diff --git a/gridspec_tools_20080702/tools/fregrid/conserve_interp.c b/gridspec_tools_20080702/tools/fregrid/conserve_interp.c
new file mode 100644
index 0000000..05d714d
--- /dev/null
+++ b/gridspec_tools_20080702/tools/fregrid/conserve_interp.c
@@ -0,0 +1,689 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <netcdf.h>
+#include <math.h>
+#include "constant.h"
+#include "globals.h"
+#include "create_xgrid.h"
+#include "mosaic_util.h"
+#include "conserve_interp.h"
+#include "fregrid_util.h"
+#include "mpp.h"
+#include "mpp_io.h"
+
+#define  AREA_RATIO (1.e-3)
+
+/*******************************************************************************
+  void setup_conserve_interp
+  Setup the interpolation weight for conservative interpolation 
+*******************************************************************************/
+void setup_conserve_interp(int ntiles_in, const Grid_config *grid_in, int ntiles_out,
+			   Grid_config *grid_out, Interp_config *interp, unsigned int opcode) 
+{
+  int    n, m, i, ii, jj, nx_in, ny_in, nx_out, ny_out, tile;
+  size_t nxgrid, nxgrid2, nxgrid_prev;
+  int    *i_in, *j_in, *i_out, *j_out;
+  int   *tmp_t_in, *tmp_i_in, *tmp_j_in, *tmp_i_out, *tmp_j_out;
+  double *tmp_di_in, *tmp_dj_in;
+  double *xgrid_area, *tmp_area, *xgrid_clon, *xgrid_clat;
+  
+  double garea;
+  typedef struct{
+    double *area;
+    double *clon;
+    double *clat;
+  } CellStruct;
+  CellStruct *cell_in;
+  
+  i_in       = (int    *)malloc(MAXXGRID   * sizeof(int   ));
+  j_in       = (int    *)malloc(MAXXGRID   * sizeof(int   ));
+  i_out      = (int    *)malloc(MAXXGRID   * sizeof(int   ));
+  j_out      = (int    *)malloc(MAXXGRID   * sizeof(int   ));
+  xgrid_area = (double *)malloc(MAXXGRID   * sizeof(double));
+  if(opcode & CONSERVE_ORDER2) {
+    xgrid_clon = (double *)malloc(MAXXGRID   * sizeof(double));
+    xgrid_clat = (double *)malloc(MAXXGRID   * sizeof(double));
+  }
+  garea = 4*M_PI*RADIUS*RADIUS;
+
+  if( opcode & READ) {
+    for(n=0; n<ntiles_out; n++) {
+      if( interp[n].file_exist ) { /* reading from file */
+	int *t_in, *ind;
+	int fid, vid;
+	
+	nxgrid     = read_mosaic_xgrid_size(interp[n].remap_file);
+	t_in       = (int    *)malloc(nxgrid*sizeof(int   ));
+	ind        = (int    *)malloc(nxgrid*sizeof(int   ));
+	if(opcode & CONSERVE_ORDER1)
+	  read_mosaic_xgrid_order1(interp[n].remap_file, i_in, j_in, i_out, j_out, xgrid_area);
+	else
+	  read_mosaic_xgrid_order2(interp[n].remap_file, i_in, j_in, i_out, j_out, xgrid_area, xgrid_clon, xgrid_clat);
+	
+	/*--- rescale the xgrid area */
+	for(i=0; i<nxgrid; i++) xgrid_area[i] *= garea;
+	fid = mpp_open(interp[n].remap_file, MPP_READ);
+	vid = mpp_get_varid(fid, "tile1");
+      	mpp_get_var_value(fid, vid, t_in);
+	mpp_close(fid);
+	/*distribute the exchange grid on each pe according to target grid index*/
+	interp[n].nxgrid = 0;
+	for(i=0; i<nxgrid; i++) {
+	  if( i_out[i] <= grid_out[n].iec && i_out[i] >= grid_out[n].isc &&
+	      j_out[i] <= grid_out[n].jec && j_out[i] >= grid_out[n].jsc )
+	    ind[interp[n].nxgrid++] = i;
+	}
+	interp[n].i_in   = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+	interp[n].j_in   = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+	interp[n].i_out  = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+	interp[n].j_out  = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+	interp[n].area   = (double *)malloc(interp[n].nxgrid*sizeof(double));
+	interp[n].t_in   = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+
+	for(i=0; i< interp[n].nxgrid; i++) {
+	  interp[n].i_in [i] = i_in [ind[i]];
+	  interp[n].j_in [i] = j_in [ind[i]];
+	  interp[n].t_in [i] = t_in [ind[i]] - 1;
+	  interp[n].i_out[i] = i_out[ind[i]] - grid_out[n].isc;
+	  interp[n].j_out[i] = j_out[ind[i]] - grid_out[n].jsc;
+	  interp[n].area [i] = xgrid_area[ind[i]];
+     	}
+	if(opcode & CONSERVE_ORDER2) {
+	  interp[n].di_in   = (double *)malloc(interp[n].nxgrid*sizeof(double));
+	  interp[n].dj_in   = (double *)malloc(interp[n].nxgrid*sizeof(double));
+	  for(i=0; i< interp[n].nxgrid; i++) {
+	    interp[n].di_in[i] = xgrid_clon[ind[i]];
+	    interp[n].dj_in[i] = xgrid_clat[ind[i]];
+	  }
+	}	
+	free(t_in);
+	free(ind);
+      }
+    }
+    if(mpp_pe() == mpp_root_pe())printf("NOTE: Finish reading index and weight for conservative interpolation from file.\n");
+  }
+  else {
+    cell_in    = (CellStruct *)malloc(ntiles_in * sizeof(CellStruct));
+    for(m=0; m<ntiles_in; m++) {
+      nx_in = grid_in[m].nx;
+      ny_in = grid_in[m].ny;
+      cell_in[m].area = (double *)malloc(nx_in*ny_in*sizeof(double));
+      cell_in[m].clon = (double *)malloc(nx_in*ny_in*sizeof(double));
+      cell_in[m].clat = (double *)malloc(nx_in*ny_in*sizeof(double));
+      for(n=0; n<nx_in*ny_in; n++) {
+	cell_in[m].area[n] = 0;
+	cell_in[m].clon[n] = 0;
+        cell_in[m].clat[n] = 0;
+      }
+    }
+    for(n=0; n<ntiles_out; n++) {
+      nx_out    = grid_out[n].nxc;
+      ny_out    = grid_out[n].nyc;      
+      interp[n].nxgrid = 0;
+      for(m=0; m<ntiles_in; m++) {
+	double *mask;
+        nx_in = grid_in[m].nx;
+	ny_in = grid_in[m].ny;
+
+	mask = (double *)malloc(nx_in*ny_in*sizeof(double));
+	for(i=0; i<nx_in*ny_in; i++) mask[i] = 1.0; 
+	
+	if(opcode & CONSERVE_ORDER1) {
+	  nxgrid = create_xgrid_2dx2d_order1(&nx_in, &ny_in, &nx_out, &ny_out, grid_in[m].lonc,
+					     grid_in[m].latc,  grid_out[n].lonc,  grid_out[n].latc,
+					     mask, i_in, j_in, i_out, j_out, xgrid_area);
+	}
+	else if(opcode & CONSERVE_ORDER2) {
+	  int g_nxgrid;
+	  int    *g_i_in, *g_j_in;
+	  double *g_area, *g_clon, *g_clat;
+	  
+	  nxgrid = create_xgrid_2dx2d_order2(&nx_in, &ny_in, &nx_out, &ny_out, grid_in[m].lonc,
+					     grid_in[m].latc,  grid_out[n].lonc,  grid_out[n].latc,
+					     mask, i_in, j_in, i_out, j_out, xgrid_area, xgrid_clon, xgrid_clat);
+	  /* For the purpose of bitiwise reproducing, the following operation is needed. */
+      	  g_nxgrid = nxgrid;
+	  mpp_sum_int(1, &g_nxgrid);
+	  if(g_nxgrid > 0) {
+	    g_i_in = (int    *)malloc(g_nxgrid*sizeof(int   ));
+	    g_j_in = (int    *)malloc(g_nxgrid*sizeof(int   ));			   
+	    g_area = (double *)malloc(g_nxgrid*sizeof(double));
+	    g_clon = (double *)malloc(g_nxgrid*sizeof(double));
+	    g_clat = (double *)malloc(g_nxgrid*sizeof(double));
+	    mpp_gather_field_int   (nxgrid, i_in,       g_i_in);
+	    mpp_gather_field_int   (nxgrid, j_in,       g_j_in);
+	    mpp_gather_field_double(nxgrid, xgrid_area, g_area);
+	    mpp_gather_field_double(nxgrid, xgrid_clon, g_clon);
+	    mpp_gather_field_double(nxgrid, xgrid_clat, g_clat);
+	    for(i=0; i<g_nxgrid; i++) {
+	      ii = g_j_in[i]*nx_in+g_i_in[i];
+	      cell_in[m].area[ii] += g_area[i];
+	      cell_in[m].clon[ii] += g_clon[i];
+	      cell_in[m].clat[ii] += g_clat[i];
+	    }
+	    free(g_i_in);
+	    free(g_j_in);
+	    free(g_area);
+	    free(g_clon);
+	    free(g_clat);
+	  }
+	}
+	else
+	  mpp_error("conserve_interp: interp_method should be CONSERVE_ORDER1 or CONSERVE_ORDER2");
+
+	free(mask);
+	if(nxgrid > 0) {
+	  nxgrid_prev = interp[n].nxgrid;
+	  interp[n].nxgrid += nxgrid;
+	  if(nxgrid_prev == 0 ) {
+	    interp[n].i_in   = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+	    interp[n].j_in   = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+	    interp[n].i_out  = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+	    interp[n].j_out  = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+	    interp[n].area   = (double *)malloc(interp[n].nxgrid*sizeof(double));
+	    interp[n].t_in   = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+	    for(i=0; i<interp[n].nxgrid; i++) {
+	      interp[n].t_in [i] = m;
+	      interp[n].i_in [i] = i_in [i];
+	      interp[n].j_in [i] = j_in [i];
+	      interp[n].i_out[i] = i_out[i];
+	      interp[n].j_out[i] = j_out[i];
+	      interp[n].area[i]  = xgrid_area[i];
+	    }
+	    if(opcode & CONSERVE_ORDER2) {
+	      interp[n].di_in   = (double *)malloc(interp[n].nxgrid*sizeof(double));
+	      interp[n].dj_in   = (double *)malloc(interp[n].nxgrid*sizeof(double));
+	      for(i=0; i<interp[n].nxgrid; i++) {
+		jj = j_in [i]*nx_in+i_in [i];
+		interp[n].di_in [i] = xgrid_clon[i]/xgrid_area[i];
+		interp[n].dj_in [i] = xgrid_clat[i]/xgrid_area[i];
+	      }
+	    }
+	  }
+	  else {
+	    tmp_i_in  = interp[n].i_in;
+	    tmp_j_in  = interp[n].j_in;
+	    tmp_i_out = interp[n].i_out;
+	    tmp_j_out = interp[n].j_out;
+	    tmp_area  = interp[n].area;
+	    tmp_t_in  = interp[n].t_in;
+	    interp[n].i_in   = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+	    interp[n].j_in   = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+	    interp[n].i_out  = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+	    interp[n].j_out  = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+	    interp[n].area   = (double *)malloc(interp[n].nxgrid*sizeof(double));
+	    interp[n].t_in   = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+	    for(i=0; i<nxgrid_prev; i++) {
+	      interp[n].t_in [i] = tmp_t_in [i];
+	      interp[n].i_in [i] = tmp_i_in [i];
+	      interp[n].j_in [i] = tmp_j_in [i];
+	      interp[n].i_out[i] = tmp_i_out[i];
+	      interp[n].j_out[i] = tmp_j_out[i];
+	      interp[n].area [i] = tmp_area [i];
+	    }
+	    for(i=0; i<nxgrid; i++) {
+	      ii = i + nxgrid_prev;
+	      interp[n].t_in [ii] = m;
+	      interp[n].i_in [ii] = i_in [i];
+	      interp[n].j_in [ii] = j_in [i];
+	      interp[n].i_out[ii] = i_out[i];
+	      interp[n].j_out[ii] = j_out[i];
+	      interp[n].area [ii] = xgrid_area[i];
+	    }
+	    if(opcode & CONSERVE_ORDER2) {
+	      tmp_di_in  = interp[n].di_in;
+	      tmp_dj_in  = interp[n].dj_in;
+	      interp[n].di_in   = (double *)malloc(interp[n].nxgrid*sizeof(double));
+	      interp[n].dj_in   = (double *)malloc(interp[n].nxgrid*sizeof(double));
+	      for(i=0; i<nxgrid_prev; i++) { 
+		interp[n].di_in [i] = tmp_di_in [i];
+		interp[n].dj_in [i] = tmp_dj_in [i];
+	      }
+	      for(i=0; i<nxgrid; i++) {
+		ii = i + nxgrid_prev;
+		jj = j_in [i]*nx_in+i_in [i];
+		interp[n].di_in [ii] = xgrid_clon[i]/xgrid_area[i];
+		interp[n].dj_in [ii] = xgrid_clat[i]/xgrid_area[i];
+	      }
+	      free(tmp_di_in);
+	      free(tmp_dj_in);
+	    }
+	    free(tmp_t_in);
+	    free(tmp_i_in);
+	    free(tmp_j_in);
+	    free(tmp_i_out);
+	    free(tmp_j_out);
+	    free(tmp_area);
+	  }
+	}  /* if(nxgrid>0) */
+      }
+    }
+    if(opcode & CONSERVE_ORDER2) {
+      /* subtrack the grid_in clon and clat to get the distance between xgrid and grid_in */
+      for(n=0; n<ntiles_in; n++) {
+	double *area_in;
+	double x1_in[50], y1_in[50], lon_in_avg, clon, clat;
+	int    j, n0, n1, n2, n3, n1_in;
+	/* calcualte cell area */
+     	nx_in = grid_in[n].nx;
+	ny_in = grid_in[n].ny;
+	area_in = (double *)malloc(nx_in*ny_in*sizeof(double));
+	get_grid_area(&nx_in, &ny_in, grid_in[n].lonc, grid_in[n].latc, area_in);	
+	for(j=0; j<ny_in; j++) for(i=0; i<nx_in; i++) {
+	  ii = j*nx_in + i;
+	  if(cell_in[n].area[ii] > 0) {
+	    if( fabs(cell_in[n].area[ii]-area_in[ii])/area_in[ii] < AREA_RATIO ) {
+	      cell_in[n].clon[ii] /= cell_in[n].area[ii];
+	      cell_in[n].clat[ii] /= cell_in[n].area[ii];
+	    }
+	    else {
+	      n0 = j*(nx_in+1)+i;       n1 = j*(nx_in+1)+i+1;
+	      n2 = (j+1)*(nx_in+1)+i+1; n3 = (j+1)*(nx_in+1)+i;
+	      x1_in[0] = grid_in[n].lonc[n0]; y1_in[0] = grid_in[n].latc[n0];
+	      x1_in[1] = grid_in[n].lonc[n1]; y1_in[1] = grid_in[n].latc[n1];
+	      x1_in[2] = grid_in[n].lonc[n2]; y1_in[2] = grid_in[n].latc[n2];
+	      x1_in[3] = grid_in[n].lonc[n3]; y1_in[3] = grid_in[n].latc[n3];
+	      n1_in = fix_lon(x1_in, y1_in, 4, M_PI);
+	      lon_in_avg = avgval_double(n1_in, x1_in);
+              clon = poly_ctrlon(x1_in, y1_in, n1_in, lon_in_avg);
+	      clat = poly_ctrlat (x1_in, y1_in, n1_in );
+	      cell_in[n].clon[ii] = clon/area_in[ii];
+	      cell_in[n].clat[ii] = clat/area_in[ii];
+	    }
+	  } 
+	}
+	free(area_in);
+      }
+      for(n=0; n<ntiles_out; n++) {
+	for(i=0; i<interp[n].nxgrid; i++) {
+	  tile = interp[n].t_in[i];
+	  ii   = interp[n].j_in[i] * grid_in[tile].nx + interp[n].i_in[i];
+          interp[n].di_in[i] -= cell_in[tile].clon[ii];
+	  interp[n].dj_in[i] -= cell_in[tile].clat[ii];
+	}
+      }
+
+      /* free the memory */
+      for(n=0; n<ntiles_in; n++) {
+	free(cell_in[n].area);
+	free(cell_in[n].clon);
+	free(cell_in[n].clat);
+      }
+      free(cell_in);
+    }
+    if( opcode & WRITE) { /* write out remapping information */
+      for(n=0; n<ntiles_out; n++) {
+	int nxgrid;
+	
+	nxgrid = interp[n].nxgrid;
+	mpp_sum_int(1, &nxgrid);
+	if(nxgrid > 0) {
+	  size_t start[4], nwrite[4];
+	  int    fid, dim_string, dim_ncells, dim_two, dims[4];
+	  int    id_xgrid_area, id_tile1_dist;
+	  int    id_tile1_cell, id_tile2_cell, id_tile1;
+	  int    *gdata_int, *ldata_int;	  
+	  double *gdata_dbl;
+	  
+	  fid = mpp_open( interp[n].remap_file, MPP_WRITE);
+	  dim_string = mpp_def_dim(fid, "string", STRING);
+	  dim_ncells = mpp_def_dim(fid, "ncells", nxgrid);
+	  dim_two    = mpp_def_dim(fid, "two", 2);
+	  dims[0] = dim_ncells; dims[1] = dim_two;
+	  id_tile1      = mpp_def_var(fid, "tile1",      NC_INT, 1, &dim_ncells, 1,
+				      "standard_name", "tile_number_in_mosaic1");
+	  id_tile1_cell = mpp_def_var(fid, "tile1_cell", NC_INT, 2, dims, 1,
+				      "standard_name", "parent_cell_indices_in_mosaic1");
+	  id_tile2_cell = mpp_def_var(fid, "tile2_cell", NC_INT, 2, dims, 1,
+				      "standard_name", "parent_cell_indices_in_mosaic2");
+	  id_xgrid_area = mpp_def_var(fid, "xgrid_area", NC_DOUBLE, 1, &dim_ncells, 2,
+				      "standard_name", "exchange_grid_area", "units", "m2");
+	  if(opcode & CONSERVE_ORDER2) id_tile1_dist = mpp_def_var(fid, "tile1_distance", NC_DOUBLE, 2, dims, 1,
+								   "standard_name", "distance_from_parent1_cell_centroid");
+	  mpp_end_def(fid);
+	  for(i=0; i<4; i++) {
+	    start[i] = 0; nwrite[i] = 1;
+	  }
+	  nwrite[0] = nxgrid;
+	  gdata_int = (int *)malloc(nxgrid*sizeof(int));
+	  if(interp[n].nxgrid>0) ldata_int = (int *)malloc(interp[n].nxgrid*sizeof(int));
+	  gdata_dbl = (double *)malloc(nxgrid*sizeof(double));
+	  mpp_gather_field_double(interp[n].nxgrid, interp[n].area, gdata_dbl);
+	  mpp_put_var_value(fid, id_xgrid_area, gdata_dbl);
+	  mpp_gather_field_int(interp[n].nxgrid, interp[n].t_in, gdata_int);
+	  for(i=0; i<nxgrid; i++) gdata_int[i]++;
+	  mpp_put_var_value(fid, id_tile1, gdata_int);
+	  mpp_gather_field_int(interp[n].nxgrid, interp[n].i_in, gdata_int);
+	  for(i=0; i<nxgrid; i++) gdata_int[i]++;
+	  mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, gdata_int);
+	  if(opcode & CONSERVE_ORDER2) {
+	    mpp_gather_field_double(interp[n].nxgrid, interp[n].di_in, gdata_dbl);
+	    mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, gdata_dbl);
+	  }
+	  for(i=0; i<interp[n].nxgrid; i++) ldata_int[i] = interp[n].i_out[i] + grid_out[n].isc + 1; 
+	  mpp_gather_field_int(interp[n].nxgrid, ldata_int, gdata_int);
+	  mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, gdata_int);
+	  mpp_gather_field_int(interp[n].nxgrid, interp[n].j_in, gdata_int);
+	  for(i=0; i<nxgrid; i++) gdata_int[i]++;
+	  start[1] = 1;
+	  mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, gdata_int);
+	  if(opcode & CONSERVE_ORDER2) {
+	    mpp_gather_field_double(interp[n].nxgrid, interp[n].dj_in, gdata_dbl);
+	    mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, gdata_dbl);
+	  }
+	  for(i=0; i<interp[n].nxgrid; i++) ldata_int[i] = interp[n].j_out[i] + grid_out[n].jsc + 1; 	  
+	  mpp_gather_field_int(interp[n].nxgrid, ldata_int, gdata_int);
+	  mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, gdata_int);
+	  free(gdata_int);
+	  free(gdata_dbl);
+	  if(interp[n].nxgrid>0)free(ldata_int);
+	  mpp_close(fid);
+	}
+      }
+    }
+    if(mpp_pe() == mpp_root_pe())printf("NOTE: done calculating index and weight for conservative interpolation\n");
+  }
+  /* get target grid area if needed */
+  if( opcode & TARGET ) {
+    for(n=0; n<ntiles_out; n++) {
+      nx_out    = grid_out[n].nxc;
+      ny_out    = grid_out[n].nyc; 
+      grid_out[n].area = (double *)malloc(nx_out*ny_out*sizeof(double));
+      get_grid_area(&nx_out,&ny_out, grid_out[n].lonc,  grid_out[n].latc, grid_out[n].area);
+    }
+  }
+  free(i_in);
+  free(j_in);
+  free(i_out);
+  free(j_out);
+  free(xgrid_area);
+  if(opcode & CONSERVE_ORDER2) {
+    free(xgrid_clon);
+    free(xgrid_clat);
+  }
+  
+}; /* setup_conserve_interp */
+
+
+/*******************************************************************************
+ void do_scalar_conserve_interp( )
+ doing conservative interpolation
+*******************************************************************************/
+void do_scalar_conserve_interp(Interp_config *interp, int varid, int ntiles_in, const Grid_config *grid_in,
+			       int ntiles_out, const Grid_config *grid_out, const Field_config *field_in,
+			       Field_config *field_out, unsigned int opcode)
+{
+  int nx1, ny1, nx2, ny2, nz, i1, j1, i2, j2, tile, n, k, m, i, j, kk, n1, n2;
+  int has_missing, halo;
+  double area, missing, di, dj;
+  double *out_area;
+
+  halo = 0;
+  if(opcode & CONSERVE_ORDER2) halo = 1;
+  
+  missing = field_in->var[varid].missing;
+  has_missing = field_in->var[varid].has_missing;
+  nz = field_in->var[varid].nz;
+  
+  for(m=0; m<ntiles_out; m++) {
+    nx2 = grid_out[m].nxc;
+    ny2 = grid_out[m].nyc;
+    out_area = (double *)malloc(nx2*ny2*sizeof(double));
+    
+    for(i=0; i<nx2*ny2*nz; i++) field_out[m].data[i] = 0.0;
+    
+    for(k=0; k<nz; k++) {
+      kk = k*nx2*ny2;
+      for(i=0; i<nx2*ny2; i++) out_area[i] = 0.0;
+      if(opcode & CONSERVE_ORDER1) {
+	if(has_missing) {
+	  for(n=0; n<interp[m].nxgrid; n++) {
+	    i2   = interp[m].i_out[n];
+	    j2   = interp[m].j_out[n];
+	    i1   = interp[m].i_in [n];
+	    j1   = interp[m].j_in [n];    
+	    tile = interp[m].t_in [n];
+	    area = interp[m].area [n];
+	    nx1  = grid_in[tile].nx;
+	    ny1  = grid_in[tile].ny;
+	    if( field_in[tile].data[k*nx1*ny1+j1*nx1+i1] != missing ) {
+	      field_out[m].data[kk+j2*nx2+i2] += field_in[tile].data[k*nx1*ny1+j1*nx1+i1]*area;
+	      out_area[j2*nx2+i2] += area;
+	    }
+	  }
+	}
+	else {
+	  for(n=0; n<interp[m].nxgrid; n++) {
+	    i2   = interp[m].i_out[n];
+	    j2   = interp[m].j_out[n];
+	    i1   = interp[m].i_in [n];
+	    j1   = interp[m].j_in [n];    
+	    tile = interp[m].t_in [n];
+	    area = interp[m].area [n];
+	    nx1  = grid_in[tile].nx;
+	    ny1  = grid_in[tile].ny;
+	    field_out[m].data[kk+j2*nx2+i2] += field_in[tile].data[k*nx1*ny1+j1*nx1+i1]*area;
+	    out_area[j2*nx2+i2] += area;
+	  }
+	}	  
+      }
+      else {
+	if(has_missing) {
+	  for(n=0; n<interp[m].nxgrid; n++) {
+	    i2   = interp[m].i_out[n];
+	    j2   = interp[m].j_out[n];
+	    i1   = interp[m].i_in [n];
+	    j1   = interp[m].j_in [n];
+	    di   = interp[m].di_in[n];
+	    dj   = interp[m].dj_in[n];
+	    tile = interp[m].t_in [n];
+	    area = interp[m].area [n];
+	    nx1  = grid_in[tile].nx;
+	    ny1  = grid_in[tile].ny;
+	    n2 = k*(nx1+2)*(ny1+2)+(j1+1)*(nx1+2)+i1+1;
+	    if( field_in[tile].data[n2] != missing ) {
+	      n1 = k*nx1*ny1+j1*nx1+i1;
+              if(field_in[tile].grad_mask[n1]) { /* use zero gradient */
+		field_out[m].data[kk+j2*nx2+i2] += field_in[tile].data[n2]*area;
+	      }
+	      else {
+		field_out[m].data[kk+j2*nx2+i2] += (field_in[tile].data[n2]+field_in[tile].grad_x[n1]*di
+						    +field_in[tile].grad_y[n1]*dj)*area;
+	      }
+	      out_area[j2*nx2+i2] += area;
+	    }
+	  }
+	}
+	else {
+	  for(n=0; n<interp[m].nxgrid; n++) {
+	    i2   = interp[m].i_out[n];
+	    j2   = interp[m].j_out[n];
+	    i1   = interp[m].i_in [n];
+	    j1   = interp[m].j_in [n];
+	    di   = interp[m].di_in[n];
+	    dj   = interp[m].dj_in[n];
+	    tile = interp[m].t_in [n];
+	    area = interp[m].area [n];
+	    nx1  = grid_in[tile].nx;
+	    ny1  = grid_in[tile].ny;
+	    n1 = k*nx1*ny1+j1*nx1+i1;
+	    n2 = k*(nx1+2)*(ny1+2)+(j1+1)*(nx1+2)+i1+1;
+	    field_out[m].data[kk+j2*nx2+i2] += (field_in[tile].data[n2]+field_in[tile].grad_x[n1]*di
+						+field_in[tile].grad_y[n1]*dj)*area;
+	    out_area[j2*nx2+i2] += area;
+	  }
+	}
+      }
+      if(opcode & TARGET) {
+	for(i=0; i<nx2*ny2; i++) {
+	  if(out_area[i] > 0)
+	    field_out[m].data[kk+i] /= grid_out[m].area[i];
+	  else
+	    field_out[m].data[kk+i] = missing;
+	}
+      }
+      else {
+	for(i=0; i<nx2*ny2; i++) {
+	  if(out_area[i] > 0)
+	    field_out[m].data[kk+i] /= out_area[i];
+	  else
+	    field_out[m].data[kk+i] = missing;
+	}      
+      }
+    }
+
+    free(out_area);
+  }
+
+  /* conservation check if needed */
+  if(opcode & CHECK_CONSERVE) {
+    double gsum_in, gsum_out, dd;
+    double *area;
+    gsum_in = 0;
+    gsum_out = 0;
+    for(n=0; n<ntiles_in; n++) {
+      nx1  = grid_in[n].nx;
+      ny1  = grid_in[n].ny;
+      area = (double *)malloc(nx1*ny1*sizeof(double));
+      get_grid_area(&nx1, &ny1, grid_in[n].lonc, grid_in[n].latc, area);
+      
+      for(k=0; k<nz; k++) {
+	kk = k*(nx1+2*halo)*(ny1+2*halo);
+	for(j=0; j<ny1; j++) for(i=0; i<nx1; i++) {
+	  dd = field_in[n].data[kk+(j+halo)*(nx1+2*halo)+i+halo];
+	  if(dd != missing) gsum_in += dd*area[j*nx1+i];
+	}
+      }
+      free(area);
+    }
+    for(n=0; n<ntiles_out; n++) {
+      nx2  = grid_out[n].nxc;
+      ny2  = grid_out[n].nyc;
+      area = (double *)malloc(nx2*ny2*sizeof(double));
+      get_grid_area(&nx2, &ny2, grid_out[n].lonc, grid_out[n].latc, area);
+      
+      for(k=0; k<nz; k++) {
+	kk = k*nx2*ny2;
+	for(j=0; j<ny2; j++) for(i=0; i<nx2; i++) {
+	  dd = field_out[n].data[kk+j*nx2+i];
+	  if(dd != missing) gsum_out += dd*area[j*nx2+i];
+	}
+      }
+      free(area);
+    }
+    mpp_sum_double(1, &gsum_out);
+    
+    if(mpp_pe() == mpp_root_pe()) printf("the flux(data*area) sum of %s: input = %g, output = %g, diff = %g. \n",
+					 field_in->var[varid].name, gsum_in, gsum_out, gsum_out-gsum_in);
+        
+
+    
+  }
+  
+  
+}; /* do_scalar_conserve_interp */
+
+
+/*******************************************************************************
+ void do_vector_conserve_interp( )
+ doing conservative interpolation
+*******************************************************************************/
+void do_vector_conserve_interp(Interp_config *interp, int varid, int ntiles_in, const Grid_config *grid_in, int ntiles_out, 
+                               const Grid_config *grid_out, const Field_config *u_in,  const Field_config *v_in,
+                               Field_config *u_out, Field_config *v_out, unsigned int opcode)  
+{
+  int          nx1, ny1, nx2, ny2, nz, i1, j1, i2, j2, tile, n, k, m, i, kk;
+  double       area, missing, tmp_x, tmp_y;
+  double       *out_area;
+
+  nz = u_in->var[varid].nz;
+  missing = u_in->var[varid].missing;  
+  /* first rotate input data */
+  for(n = 0; n < ntiles_in; n++) {
+    if(grid_in[n].rotate) {
+      nx1 = grid_in[n].nx;
+      ny1 = grid_in[n].ny;
+      for(k = 0; k < nz; k++) {
+	for(i=0; i<nx1*ny1; i++) {
+	  tmp_x = u_in[n].data[k*nx1*ny1+i];
+	  tmp_y = v_in[n].data[k*nx1*ny1+i];
+	  if( tmp_x != missing && tmp_y != missing) {
+	    u_in[n].data[k*nx1*ny1+i] = tmp_x * grid_in[n].cosrot[i] - tmp_y * grid_in[n].sinrot[i];
+	    v_in[n].data[k*nx1*ny1+i] = tmp_x * grid_in[n].sinrot[i] + tmp_y * grid_in[n].cosrot[i];
+	  }
+	}
+      }
+    }
+  }
+  
+  for(m=0; m<ntiles_out; m++) {
+    nx2 = grid_out[m].nxc;
+    ny2 = grid_out[m].nyc;
+    out_area = (double *)malloc(nx2*ny2*sizeof(double));
+    
+    for(i=0; i<nx2*ny2*nz; i++) {
+      u_out[m].data[i] = 0.0;
+      v_out[m].data[i] = 0.0;
+    }
+    for(k=0; k<nz; k++) {
+      kk = k*nx2*ny2;
+      for(i=0; i<nx2*ny2; i++) out_area[i] = 0.0;
+    
+      for(n=0; n<interp[m].nxgrid; n++) {
+	i2   = interp[m].i_out[n];
+	j2   = interp[m].j_out[n];
+	i1   = interp[m].i_in [n];
+	j1   = interp[m].j_in [n];    
+	tile = interp[m].t_in [n];
+	area = interp[m].area [n];
+	nx1  = grid_in[tile].nx;
+	ny1  = grid_in[tile].ny;
+	tmp_x = u_in[tile].data[k*nx1*ny1+j1*nx1+i1];
+	tmp_y = v_in[tile].data[k*nx1*ny1+j1*nx1+i1];
+	if( tmp_x != missing && tmp_y != missing ) {
+	  u_out[m].data[kk+j2*nx2+i2] += u_in[tile].data[k*nx1*ny1+j1*nx1+i1]*area;
+	  v_out[m].data[kk+j2*nx2+i2] += v_in[tile].data[k*nx1*ny1+j1*nx1+i1]*area;
+	  out_area[j2*nx2+i2] += area;
+	}
+      }
+      if(opcode & TARGET) {
+	for(i=0; i<nx2*ny2; i++) {
+	  if(out_area[i] > 0) {
+	    u_out[m].data[kk+i] /= grid_out[m].area[i];
+	    v_out[m].data[kk+i] /= grid_out[m].area[i];
+	  }
+	  else {
+	    u_out[m].data[kk+i] = missing;
+	    v_out[m].data[kk+i] = missing;
+	  }
+	}
+      }
+      else {
+	for(i=0; i<nx2*ny2; i++) {
+	  if(out_area[i] > 0) {
+	    u_out[m].data[kk+i] /= out_area[i];
+	    v_out[m].data[kk+i] /= out_area[i];
+	  }
+	  else {
+	    u_out[m].data[kk+i] = missing;
+	    v_out[m].data[kk+i] = missing;
+	  }
+	}      
+      }
+      /* rotate the data if needed */
+      if(grid_out[m].rotate) {
+	for(i=0; i<nx2*ny2; i++) {
+	  tmp_x = u_out[m].data[k*nx2*ny2+i];
+	  tmp_y = v_out[m].data[k*nx2*ny2+i];
+	  if( tmp_x != missing && tmp_y != missing) {
+	    u_out[m].data[k*nx2*ny2+i] =  tmp_x * grid_out[m].cosrot[i] + tmp_y * grid_out[m].sinrot[i];
+	    v_out[m].data[k*nx2*ny2+i] = -tmp_x * grid_out[m].sinrot[i] + tmp_y * grid_out[m].cosrot[i];
+	  }
+	}
+      }
+    }
+    free(out_area);
+  }    
+  
+}; /* do_vector_conserve_interp */
diff --git a/gridspec_tools_20080702/tools/fregrid/conserve_interp.h b/gridspec_tools_20080702/tools/fregrid/conserve_interp.h
new file mode 100644
index 0000000..3e61df5
--- /dev/null
+++ b/gridspec_tools_20080702/tools/fregrid/conserve_interp.h
@@ -0,0 +1,13 @@
+#ifndef CONSERVE_INTERP_H_
+#define CONSERVE_INTERP_H_
+#include "globals.h"
+
+void setup_conserve_interp(int ntiles_in, const Grid_config *grid_in, int ntiles_out,
+			   Grid_config *grid_out, Interp_config *interp, unsigned int opcode);
+void do_scalar_conserve_interp(Interp_config *interp, int varid, int ntiles_in, const Grid_config *grid_in,
+			       int ntiles_out, const Grid_config *grid_out, const Field_config *field_in,
+			       Field_config *field_out, unsigned int opcode);
+void do_vector_conserve_interp(Interp_config *interp, int varid, int ntiles_in, const Grid_config *grid_in, int ntiles_out, 
+                               const Grid_config *grid_out, const Field_config *u_in,  const Field_config *v_in,
+                               Field_config *u_out, Field_config *v_out, unsigned int opcode);  
+#endif
diff --git a/gridspec_tools_20080702/tools/fregrid/fregrid.c b/gridspec_tools_20080702/tools/fregrid/fregrid.c
new file mode 100644
index 0000000..bbc88e8
--- /dev/null
+++ b/gridspec_tools_20080702/tools/fregrid/fregrid.c
@@ -0,0 +1,668 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <getopt.h>
+#include <math.h>
+#include "globals.h"
+#include "constant.h"
+#include "read_mosaic.h"
+#include "mpp_io.h"
+#include "conserve_interp.h"
+#include "bilinear_interp.h"
+#include "fregrid_util.h"
+
+char *usage[] = {
+  "",
+  "  fregrid --input_mosaic input_mosaic --input_file input_file                         ",
+  "          [--scalar_field scalar_fld] [--u_field u_fld]  [--v_field v_fld]            ",
+  "          [--output_mosaic output_mosaic] [--lonBegin #decimal] [--lonEnd #decimal]   ",
+  "          [--latBegin #decimal] [--latEnd #decimal] [--nlon #integer]                 ",
+  "          [--nlat #integer] [--KlevelBegin #integer] [--KlevelEnd #integer]           ",
+  "          [--LstepBegin #integer] [--LstepEnd #integer]                               ",
+  "          [--output_file output_file] [--input_dir input_dir]                         ",
+  "          [--output_dir output_dir] [--remap_file remap_file]                         ",
+  "          [--interp_method method] [--grid_type grid_type] [--test_case test_case]    ",
+  "          [--symmetry] [--target_grid] [--finer_step #] [--fill_missing]              ",
+  "          [--center_y] [--check_conserve]                                             ",
+  "fregrid remap data (scalar or vector) from input_mosaic onto output_mosaic (The       ",
+  "target grid also could be specified through lonBegin, lonEnd, latBegin, latEnd, nlon  ",
+  "and nlat). Currently only T-cell scalar regridding and AGRID vector regridding (only  ",
+  "bilinear interpolation is implemented for cubic grid vector interpolation). The       ",
+  "interpolation algorithm used is controlled by --interp_method with default            ",
+  "'conserve_order1'. Currently only 'conserve_order1', 'conserve_order2' and 'bilinear' ",
+  "remapping scheme are implemented. 'bilinear' is only used to remap data from cubic    ",
+  "grid to latlon grid. We will add more scheme in the future if needed. fregrid expects ",
+  "NetCDF format input. scalar_field and/or u_field/v_field must be specified. u_fld and ",
+  "v_fld must be paired together.    ",
+  "                                                                                      ",
+  "fregrid takes the following flags:                                                    ",
+  "                                                                                      ",
+  "REQUIRED:                                                                             ",
+  "                                                                                      ",
+  "--input_mosaic  input_mosaic  specify the input mosaic information. This file         ",
+  "                              contains list of tile files which specify the grid      ",
+  "                              information for each tile.                              ",
+  "                                                                                      ",
+  "OPTIONAL FLAGS                                                                        ",
+  "                                                                                      ",  
+  "--input_file    input_file    specify the input file name. The suffix '.nc' can be    ",
+  "                              omitted. The suffix 'tile#' should not present for      ",
+  "                              multiple-tile files. The number of files must be 1 for  ",
+  "                              scalar regridding and can be 1 or 2 for vector          ",
+  "                              regridding. File path should not be includes.           ",
+  "                                                                                      ",
+  "--scalar_field    scalar_fld  specify the scalar field name to be regridded. The      ",
+  "                              multiple entry field names are seperated by comma.      ",
+  "                                                                                      ",    
+  "--u_field         u_fld       specify the vector field u-componentname to be          ",
+  "                              regridded. The multiple entry field names are seperated ",
+  "                              by comma. u_field must be paired together with v_field. ",
+  "                                                                                      ",    
+  "--v_field         v_fld       specify the vector field v-componentname to be          ",
+  "                              regridded. The multiple entry field names are seperated ",
+  "                              by comma. v_field must be paired together with u_field. ",
+  "                                                                                      ",  
+  "--output_mosaic output_mosaic specify the output mosaic information. This file        ",
+  "                              contains list of tile files which specify the grid      ",
+  "                              information for each tile. If output_mosaic is not      ",
+  "                              specified, nlon and nlat must be specified.             ",
+  "                                                                                      ",
+  "--lonBegin  #decimal          specify the starting longitude(in degree) of the        ",
+  "                              geographical region of the target grid on which the     ",
+  "                              output is desired. The default value is 0.              ",
+  "                                                                                      ",
+  "--lonEnd   #decimal           specify the ending longitude(in degree) of the          ",
+  "                              geographical region of the target grid on which the     ",
+  "                              output is desired. The default value is 360.            ",
+  "                                                                                      ",
+  "--latBegin  #decimal          specify the starting latitude(in degree) of the         ",
+  "                              geographical region of the target grid on which the     ",
+  "                              output is desired. The default value is -90.            ",
+  "                                                                                      ",
+  "--latEnd   #decimal           specify the ending latitude(in degree) of the           ",
+  "                              geographical region of the target grid on which the     ",
+  "                              output is desired. The default value is 90.             ",  
+  "                                                                                      ",
+  "--nlon #integer               specify number of grid box cells in x-direction for a   ",
+  "                              regular lat-lon grid.                                   ",
+  "                                                                                      ",
+  "--nlat #integer               specify number of grid box cells in y-direction for a   ",
+  "                              regular lat-lon grid.                                   ",
+  "                                                                                      ",  
+  "--KlevelBegin #integer        specify begin index of the k-level (depth axis) that    ",
+  "                              to be regridded.                                        ",
+  "                                                                                      ",
+  "--KlevelEnd #integer          specify end index of the k-level (depth axis) that      ",
+  "                              to be regridded.                                        ",  
+  "                                                                                      ",
+  "--LstepBegin #integer         specify the begin index of L-step (time axis) that      ",
+  "                              to be regridded.                                        ",
+  "                                                                                      ",
+  "--LstepEnd #integer           specify the end index of L-step (time axis) that        ",
+  "                              to be regridded.                                        ",  
+  "                                                                                      ",  
+  "--output_file   output_file   specify the output file name. If not presented,         ",
+  "                              output_file will take the value of input_file. The      ",
+  "                              suffix '.nc' can be omitted. The suffix 'tile#' should  ",
+  "                              not present for multiple-tile files. The number of      ",
+  "                              files must be 1 for scalar regridding and can be 1 or 2 ",
+  "                              for vector regridding. File path should not be includes.",  
+  "                                                                                      ",
+  "--input_dir     input_dir     specify the path that stores input_file. If not         ",
+  "                              presented, the input file is assumed to be stored in    ",
+  "                              current diretory.                                       ",
+  "                                                                                      ",
+  "--output_dir   output_dir     specify the path that will store output file. If not    ",
+  "                              presented, the output file will be stored in current    ",
+  "                              diretory.                                               ",
+  "                                                                                      ",
+  "--remap_file   remap_file     specify the file name that saves remapping information. ",
+  "                              If remap_file is specified and the file does not exist, ",
+  "                              remapping information will be calculated ans stored in  ",
+  "                              remap_file. If remap_file is specified and the file     ",
+  "                              exists, remapping information will be read from         ",
+  "                              remap_file.                                             ",
+  "                                                                                      ",
+  "--interp_method interp_method specify the remapping algorithm to be used. Default is  ",
+  "                              'conserve_order1'. Currently only 'conserve_order1',    ",
+  "                              'conserve_order2' and 'bilinear' remapping scheme are   ",
+  "                              implemented in this tool. The bilinear scheme can only  ",
+  "                              be used to remap data from cubic grid to regular latlon ",
+  "                              grid. When interp_method is 'bilinear', nlon and nlat   ",
+  "                              must be specified and the output data in y-direction    ",
+  "                              will be located at the center of cell or bound of the   ",
+  "                              cell depending on the setting of y_center.              ",
+  "                                                                                      ",
+  "--test_case test_case         specify the test function to be used for testing.       ",
+  "                                                                                      ",
+  "--grid_type     grid_type     specify the vector field grid location. default is      ",
+  "                              AGRID and only AGRID is implemented yet.                ",
+  "                                                                                      ",
+  "--symmetry                    indicate the grid is symmetry or not.                   ",
+  "                                                                                      ",
+  "--target_grid                 use input cell area instead of calculating based on     ",
+  "                              exchange grid area. default is off.                     ",
+  "                                                                                      ",
+  "---finer_step #integer        This is used only for bilinear interpolation. Set       ",
+  "                              finer_step to a positive integer to reduce noise in     ",
+  "                              interpolation and get a relatively smooth output. The   ",
+  "                              default value is 0. When finer_step is greater than 0,  ",
+  "                              fregrid will first remap data from source grid onto a   ",
+  "                              finer grid with resolution that is power of 2 of        ",
+  "                              destination grid resolution using bilinear              ",
+  "                              interpolation, then using volume averaging to remap     ",
+  "                              data from finer grid onto destination grid.             ",
+  "                                                                                      ",
+  "--center_y                    output latitude will locate at cell center, i.e., the   ",
+  "                              starting latitude will be -89 when nlat = 90. when      ",
+  "                              center_y is not set, starting latitude will be -90. for ",
+  "                              bilinear interpolation. For conservative interpolation, ",
+  "                              center_y is assumed.                                    ",
+  "                                                                                      ",
+  "--check_conserve              check the conservation of conservative interpolation.   ",
+  "                              The area sum will be printed out for input and output   ",
+  "                              mosaic.                                                 ",
+  "                                                                                      ",
+  "  fregrid --input_mosaic input_mosaic.nc --output_mosaic output_mosaic.nc             ",
+  "          --input_dir input_dir --input_file input_file --scalar_field temp,salt      ",
+  "                                                                                      ",
+  NULL};
+
+const double D2R = M_PI/180.;
+char tagname[] = "$Name:  $";
+
+int main(int argc, char* argv[])
+{
+  unsigned int opcode = 0;
+  char    *mosaic_in=NULL;            /* input mosaic file name */
+  char    *mosaic_out=NULL;           /* input mosaic file name */
+  char    *dir_in=NULL;               /* input file location */
+  char    *dir_out=NULL;              /* output file location */
+  int     ntiles_in = 0;              /* number of tiles in input mosaic */
+  int     ntiles_out = 0;             /* number of tiles in output mosaic */
+  int     nfiles     = 0;              /* number of input file */
+  int     nfiles_out = 0;             /* number of output file */
+  char    input_file [NFILE][STRING];
+  char    output_file[NFILE][STRING];
+  char    scalar_name[NVAR] [STRING];
+  char    u_name     [NVAR] [STRING];
+  char    v_name     [NVAR] [STRING];
+  char    *test_case = NULL;
+  double  test_param = 1;
+  int     check_conserve = 0; /* 0 means no check */
+  double  lonbegin = 0, lonend = 360;
+  double  latbegin = -90, latend = 90;			  
+  int     nlon = 0, nlat = 0;
+  int     kbegin = 0, kend = -1; 
+  int     lbegin = 0, lend = -1;
+  char    *remap_file = NULL;
+  char    interp_method[STRING] = "conserve_order1";
+  int     y_at_center = 0;
+  int     grid_type = AGRID;
+  int     nscalar=0, nvector=0, nvector2;
+  int     option_index, c, i, n, m, l;
+  char    entry[MAXSTRING];  /* should be long enough */
+  char    txt[STRING];
+  char    history[MAXATT];
+  int     fill_missing = 0;
+  unsigned int  finer_step = 0;
+
+  Grid_config   *grid_in    = NULL;   /* store input grid  */
+  Grid_config   *grid_out   = NULL;   /* store output grid */
+  Field_config  *scalar_in  = NULL;   /* store input scalar data */
+  Field_config  *scalar_out = NULL;   /* store output scalar data */
+  Field_config  *u_in       = NULL;   /* store input vector u-component */
+  Field_config  *v_in       = NULL;   /* store input vector v-component */
+  Field_config  *u_out      = NULL;   /* store input vector u-component */
+  Field_config  *v_out      = NULL;   /* store input vector v-component */
+  File_config   *file_in    = NULL;   /* store input file information */
+  File_config   *file_out   = NULL;   /* store output file information */
+  File_config   *file2_in   = NULL;   /* store input file information */
+  File_config   *file2_out  = NULL;   /* store output file information */
+  Bound_config  *bound_T    = NULL;   /* store halo update information for T-cell*/
+  Interp_config *interp     = NULL;   /* store remapping information */
+  int save_weight_only      = 0;
+  
+  int errflg = (argc == 1);
+  int fid;
+  
+  static struct option long_options[] = {
+    {"input_mosaic",     required_argument, NULL, 'a'},
+    {"output_mosaic",    required_argument, NULL, 'b'},
+    {"input_dir",        required_argument, NULL, 'c'},
+    {"output_dir",       required_argument, NULL, 'd'},
+    {"input_file",       required_argument, NULL, 'e'},
+    {"output_file",      required_argument, NULL, 'f'},
+    {"remap_file",       required_argument, NULL, 'g'},
+    {"test_case",        required_argument, NULL, 'i'},
+    {"interp_method",    required_argument, NULL, 'j'},
+    {"test_parameter",   required_argument, NULL, 'k'},
+    {"symmetry",         no_argument,       NULL, 'l'},
+    {"grid_type",        required_argument, NULL, 'm'},
+    {"target_grid",      no_argument,       NULL, 'n'},
+    {"finer_step",       required_argument, NULL, 'o'},
+    {"fill_missing",     no_argument,       NULL, 'p'},
+    {"nlon",             required_argument, NULL, 'q'},
+    {"nlat",             required_argument, NULL, 'r'},
+    {"scalar_field",     required_argument, NULL, 's'},
+    {"check_conserve",   no_argument,       NULL, 't'},
+    {"u_field",          required_argument, NULL, 'u'},
+    {"v_field",          required_argument, NULL, 'v'},
+    {"center_y",         no_argument,       NULL, 'y'},
+    {"lonBegin",         required_argument, NULL, 'A'},
+    {"lonEnd",           required_argument, NULL, 'B'},
+    {"latBegin",         required_argument, NULL, 'C'},
+    {"latEnd",           required_argument, NULL, 'D'},
+    {"KlevelBegin",      required_argument, NULL, 'E'},
+    {"KlevelEnd",        required_argument, NULL, 'F'},
+    {"LstepBegin",       required_argument, NULL, 'G'},
+    {"LstepEnd",         required_argument, NULL, 'H'},
+    {"help",             no_argument,       NULL, 'h'},
+    {0, 0, 0, 0},
+  };  
+  
+  /* start parallel */
+  mpp_init(&argc, &argv);
+  mpp_domain_init();
+  
+  while ((c = getopt_long(argc, argv, "", long_options, &option_index)) != -1) {
+    switch (c) {
+    case 'a':
+      mosaic_in  = optarg;
+      break;
+    case 'b':
+      mosaic_out = optarg;
+      break;
+    case 'c':
+      dir_in = optarg;
+      break;
+    case 'd':
+      dir_out = optarg;
+      break;
+    case 'e':
+      if(strlen(optarg) >= MAXSTRING) mpp_error("fregrid: the entry is not long for option -e");
+      strcpy(entry, optarg);
+      tokenize(entry, ",", STRING, NFILE, input_file, &nfiles);
+      break;
+    case 'f':
+      if(strlen(optarg) >= MAXSTRING)  mpp_error("fregrid: the entry is not long for option -f");      
+      strcpy(entry, optarg);
+      tokenize(entry, ",", STRING, NFILE, output_file, &nfiles_out);
+      break;
+    case 'g':
+      remap_file = optarg;
+      break;
+    case 's':
+      if(strlen(optarg) >= MAXSTRING) mpp_error("fregrid: the entry is not long for option -s");      
+      strcpy(entry, optarg);
+      tokenize(entry, ",", STRING, NVAR, scalar_name, &nscalar);
+      break;
+    case 'u':
+      if(strlen(optarg) >= MAXSTRING) mpp_error("fregrid: the entry is not long for option -u");      
+      strcpy(entry, optarg);
+      tokenize(entry, ",", STRING, NVAR, u_name, &nvector);
+      break;        
+    case 'v':
+      if(strlen(optarg) >= MAXSTRING) mpp_error("fregrid: the entry is not long for option -v");      
+      strcpy(entry, optarg);
+      tokenize(entry, ",", STRING, NVAR, v_name, &nvector2);
+      break;      
+    case 'j':
+      strcpy(interp_method, optarg);
+      break;
+    case 'i':
+      test_case = optarg;
+      break;
+    case 'k':
+      test_param = atof(optarg);
+      break;      
+    case 'l':
+      opcode |= SYMMETRY;
+      break;
+    case 'm':
+      if(strcmp(optarg, "AGRID") == 0)
+	grid_type = AGRID;
+      else if(strcmp(optarg, "BGRID") == 0)
+	grid_type = BGRID;
+      else
+	mpp_error("fregrid: only AGRID and BGRID vector regridding are implmented, contact developer");
+      break;
+    case 'n':
+      opcode |= TARGET;
+      break;
+    case 'o':
+      finer_step = atoi(optarg);
+      break;
+    case 'p':
+      fill_missing = 1;
+      break;
+    case 'q':
+      nlon = atoi(optarg);
+      break;
+    case 'r':
+      nlat = atoi(optarg);
+      break;
+    case 't':
+      check_conserve = 1;
+      break;
+    case 'y':
+      y_at_center = 1;
+      break;
+    case 'A':
+      lonbegin = atof(optarg);
+      break;
+    case 'B':
+      lonend = atof(optarg);
+      break;
+    case 'C':
+      latbegin = atof(optarg);
+      break;
+    case 'D':
+      latend = atof(optarg);
+      break;
+    case 'E':
+      kbegin = atoi(optarg);
+      break;
+    case 'F':
+      kend = atoi(optarg);
+      break;
+    case 'G':
+      lbegin = atoi(optarg);
+      break;
+    case 'H':
+      lend = atoi(optarg);
+      break;
+    case '?':
+      errflg++;
+      break;
+    }
+  }
+
+  if (errflg) {
+    char **u = usage;
+    while (*u) { fprintf(stderr, "%s\n", *u); u++; }
+    exit(2);
+  }      
+  /* check the arguments */
+  if( !mosaic_in  ) mpp_error("fregrid: input_mosaic is not specified");
+  if( !mosaic_out ) {
+    if(nlon == 0 || nlat ==0 ) mpp_error("fregrid: when output_mosaic is not specified, nlon and nlat should be specified");
+    if(lonend <= lonbegin) mpp_error("fregrid: when output_mosaic is not specified, lonEnd should be larger than lonBegin");
+    if(latend <= latbegin) mpp_error("fregrid: when output_mosaic is not specified, latEnd should be larger than latBegin");
+  }
+  else {
+    if(nlon !=0 || nlat != 0) mpp_error("fregrid: when output_mosaic is specified, nlon and nlat should not be specified");
+  }
+  
+  if( nfiles == 0) {
+    if(nvector > 0 || nscalar > 0 || nvector2 > 0)
+      mpp_error("fregrid: when --input_file is not specified, --scalar_field, --u_field and --v_field should also not be specified");
+    if(!remap_file) mpp_error("fregrid: when --input_file is not specified, remap_file must be specified to save weight information");
+    save_weight_only = 1;
+    if(mpp_pe()==mpp_root_pe())printf("NOTE: No input file specified in this run, no data file will be regridded "
+				      "and only weight information is calculated.\n");
+  }
+  else if( nfiles == 1 || nfiles ==2) {
+    if( nvector != nvector2 ) mpp_error("fregrid: number of fields specified in u_field must be the same as specified in v_field");
+    if( nscalar+nvector==0 ) mpp_error("fregrid: both scalar_field and vector_field are not specified");
+    /* when nvector =2 and nscalar=0, nfiles can be 2 otherwise nfiles must be 1 */
+    if( nscalar && nfiles != 1 )
+      mpp_error("fregrid: when scalar_field is specified, number of files must be 1");
+    if( nfiles_out == 0 ) {
+      for(i=0; i<nfiles; i++) strcpy(output_file[i], input_file[i]);
+    }
+    else if (nfiles_out != nfiles )
+      mpp_error("fregrid:number of input file is not equal to number of output file");
+  }
+  else
+    mpp_error("fregrid: number of input file should be 1 or 2");
+
+  if(kbegin != 0 || kend != -1) { /* at least one of kbegin and kend is set */
+    if(kbegin < 1 || kend < kbegin) mpp_error("fregrid:KlevelBegin should be a positive integer and no larger "
+					      "than KlevelEnd when you want pick certain klevel");
+  }
+  if(lbegin != 0 || lend != -1) { /* at least one of lbegin and lend is set */
+     if(lbegin < 1 || lend < lbegin) mpp_error("fregrid:LstepBegin should be a positive integer and no larger "
+					      "than LstepEnd when you want pick certain Lstep");
+  }
+  
+  if(nvector > 0) {
+    opcode |= VECTOR;
+    if(grid_type == AGRID)
+      opcode |= AGRID;
+    else if(grid_type == BGRID)
+      opcode |= BGRID;
+  }
+  
+  /* define history to be the history in the grid file */
+  strcpy(history,argv[0]);
+
+  for(i=1;i<argc;i++) {
+    strcat(history, " ");
+    if(strlen(argv[i]) > MAXENTRY) { /* limit the size of each entry, here we are assume the only entry that is longer than
+					MAXENTRY= 256 is the option --scalar_field --u_field and v_field */
+      if(strcmp(argv[i-1], "--scalar_field") && strcmp(argv[i-1], "--u_field") && strcmp(argv[i-1], "--v_field") )
+	mpp_error("fregrid: the entry ( is not scalar_field, u_field, v_field ) is too long, need to increase parameter MAXENTRY");
+      strcat(history, "(**please see the field list in this file**)" );
+    }
+    else
+      strcat(history, argv[i]);
+  }
+  
+  /* get the mosaic information of input and output mosaic*/
+  fid = mpp_open(mosaic_in, MPP_READ);
+  ntiles_in = mpp_get_dimlen(fid, "ntiles");
+  mpp_close(fid);
+  if(mosaic_out) {
+    fid = mpp_open(mosaic_out, MPP_READ);
+    ntiles_out = mpp_get_dimlen(fid, "ntiles");
+    mpp_close(fid);
+  }
+  else
+    ntiles_out = 1;
+
+  if(!strcmp(interp_method, "conserve_order1") ) {
+    if(mpp_pe() == mpp_root_pe())printf("****fregrid: first order conservative scheme will be used for regridding.\n");
+    opcode |= CONSERVE_ORDER1;
+  }
+  else if(!strcmp(interp_method, "conserve_order2") ) {
+    if(mpp_pe() == mpp_root_pe())printf("****fregrid: second order conservative scheme will be used for regridding.\n");
+    opcode |= CONSERVE_ORDER2;
+  }
+  else if(!strcmp(interp_method, "bilinear") ) {
+    if(mpp_pe() == mpp_root_pe())printf("****fregrid: bilinear remapping scheme will be used for regridding.\n");  
+    opcode |= BILINEAR;
+  }
+  else
+    mpp_error("fregrid: interp_method must be 'conserve_order1', 'conserve_order2' or 'bilinear'");
+
+  if(test_case) {
+    if(nfiles != 1) mpp_error("fregrid: when test_case is specified, nfiles should be 1");
+    sprintf(output_file[0], "%s.%s.output", test_case, interp_method);
+  }
+
+  if(check_conserve) opcode |= CHECK_CONSERVE;
+  
+  if( opcode & BILINEAR ) {
+    int ncontact;
+    ncontact = read_mosaic_ncontacts(mosaic_in);
+    if( nlon == 0 || nlat == 0) mpp_error("fregrid: when interp_method is bilinear, nlon and nlat should be specified");
+    if(ntiles_in != 6) mpp_error("fregrid: when interp_method is bilinear, the input mosaic should be 6 tile cubic grid");
+    if(ncontact !=12)  mpp_error("fregrid: when interp_method is bilinear, the input mosaic should be 12 contact cubic grid");
+    if(mpp_npes() > 1) mpp_error("fregrid: parallel is not implemented for bilinear remapping");
+  }
+  else
+    y_at_center = 1;
+
+
+  /* memory allocation for data structure */
+  grid_in   = (Grid_config *)malloc(ntiles_in *sizeof(Grid_config));
+  grid_out  = (Grid_config *)malloc(ntiles_out*sizeof(Grid_config));
+  bound_T   = (Bound_config *)malloc(ntiles_in *sizeof(Bound_config));
+  interp    = (Interp_config *)malloc(ntiles_out*sizeof(Interp_config));
+  get_input_grid( ntiles_in, grid_in, bound_T, mosaic_in, opcode );
+  if(mosaic_out)
+    get_output_grid_from_mosaic( ntiles_out, grid_out, mosaic_out, opcode );
+  else
+    get_output_grid_by_size(ntiles_out, grid_out, lonbegin, lonend, latbegin, latend,
+			    nlon, nlat, finer_step, y_at_center, opcode);
+
+  if(remap_file) set_remap_file(ntiles_out, mosaic_out, remap_file, interp, &opcode, save_weight_only);
+
+  /* preparing for the interpolation, if remapping information exist, read it from remap_file,
+     otherwise create the remapping information and write it to remap_file
+  */
+   if( opcode & BILINEAR ) /* bilinear interpolation from cubic to lalon */
+     setup_bilinear_interp(ntiles_in, grid_in, ntiles_out, grid_out, interp, opcode );
+   else
+     setup_conserve_interp(ntiles_in, grid_in, ntiles_out, grid_out, interp, opcode);
+  
+   if(save_weight_only) {
+     if(mpp_pe() == mpp_root_pe() ) {
+       printf("NOTE: Successfully running fregrid and the following files which store weight information are generated.\n");
+       for(n=0; n<ntiles_out; n++) {
+	 printf("****%s\n", interp[n].remap_file);
+       }
+     }
+     mpp_end();
+     return 0;     
+   }
+  
+  file_in   = (File_config *)malloc(ntiles_in *sizeof(File_config));
+  file_out  = (File_config *)malloc(ntiles_out*sizeof(File_config));
+ 
+  if(nfiles == 2) {
+    file2_in   = (File_config *)malloc(ntiles_in *sizeof(File_config));
+    file2_out  = (File_config *)malloc(ntiles_out*sizeof(File_config));
+  }
+  if(nscalar > 0) {
+    scalar_in  = (Field_config *)malloc(ntiles_in *sizeof(Field_config));
+    scalar_out = (Field_config *)malloc(ntiles_out *sizeof(Field_config));
+  }
+  if(nvector > 0) {
+    u_in  = (Field_config *)malloc(ntiles_in *sizeof(Field_config));
+    u_out = (Field_config *)malloc(ntiles_out *sizeof(Field_config));    
+    v_in  = (Field_config *)malloc(ntiles_in *sizeof(Field_config));
+    v_out = (Field_config *)malloc(ntiles_out *sizeof(Field_config));
+  }
+  
+      
+  set_mosaic_data_file(ntiles_in, mosaic_in, dir_in, file_in,  input_file[0]);
+  set_mosaic_data_file(ntiles_out, mosaic_out, dir_out, file_out, output_file[0]);
+  if(nfiles == 2) {
+    set_mosaic_data_file(ntiles_in, mosaic_in, dir_in, file2_in,  input_file[1]);
+    set_mosaic_data_file(ntiles_out, mosaic_out, dir_out, file2_out, output_file[1]);    
+  }
+
+  for(n=0; n<ntiles_in; n++) file_in[n].fid = mpp_open(file_in[n].name, MPP_READ);
+
+  set_field_struct ( ntiles_in,   scalar_in,   nscalar, scalar_name[0], file_in);
+  set_field_struct ( ntiles_out,  scalar_out,  nscalar, scalar_name[0], file_out);
+  set_field_struct ( ntiles_in,   u_in,        nvector, u_name[0], file_in);
+  set_field_struct ( ntiles_out,  u_out,       nvector, u_name[0], file_out);
+  if(nfiles == 1) {
+    set_field_struct ( ntiles_in,   v_in,        nvector, v_name[0], file_in);
+    set_field_struct ( ntiles_out,  v_out,       nvector, v_name[0], file_out);
+  }
+  else {
+    set_field_struct ( ntiles_in,   v_in,        nvector, v_name[0], file2_in);
+    set_field_struct ( ntiles_out,  v_out,       nvector, v_name[0], file2_out);
+  }
+
+  get_input_metadata(ntiles_in, nfiles, file_in, file2_in, scalar_in, u_in, v_in, grid_in, kbegin, kend, lbegin, lend );
+
+  set_output_metadata(ntiles_in, nfiles, file_in, file2_in, scalar_in, u_in, v_in,
+		      ntiles_out, file_out, file2_out, scalar_out, u_out, v_out, grid_out, history, tagname );
+
+  if(nscalar > 0) get_field_missing(ntiles_in, scalar_in);
+  if(nvector > 0) {
+    get_field_missing(ntiles_in, u_in);
+    get_field_missing(ntiles_in, v_in);
+  }
+  
+   /* set time step to 1, only test scalar field now, nz need to be 1 */
+   if(test_case) {
+     if(nscalar != 1 || nvector != 0) mpp_error("fregrid: when test_case is specified, nscalar must be 1 and nvector must be 0");
+     if(scalar_in->var->nz != 1) mpp_error("fregrid: when test_case is specified, number of vertical level must be 1");
+     file_in->nt = 1;
+     file_out->nt = 1;
+   }
+   
+  /* Then doing the regridding */
+  for(m=0; m<file_in->nt; m++) {
+    int memsize, level;
+
+    write_output_time(ntiles_out, file_out, m);
+    if(nfiles > 1) write_output_time(ntiles_out, file2_out, m);
+    
+    /* first interp scalar variable */
+    for(l=0; l<nscalar; l++) {
+      if( !scalar_in->var[l].has_taxis && m>0) continue;
+      level = m + scalar_in->var[l].lstart;
+      if(test_case)
+	get_test_input_data(test_case, test_param, ntiles_in, scalar_in, grid_in, bound_T, opcode);
+      else
+        get_input_data(ntiles_in, scalar_in, grid_in, bound_T, l, level, opcode);
+      allocate_field_data(ntiles_out, scalar_out, grid_out, l);
+      if( opcode & BILINEAR )
+	do_scalar_bilinear_interp(interp, l, ntiles_in, grid_in, grid_out, scalar_in, scalar_out, finer_step, fill_missing);
+      else
+	do_scalar_conserve_interp(interp, l, ntiles_in, grid_in, ntiles_out, grid_out, scalar_in, scalar_out, opcode);
+      write_field_data(ntiles_out, scalar_out, grid_out, l, m);
+      if(opcode & CONSERVE_ORDER2) {
+	for(n=0; n<ntiles_in; n++) {
+	  free(scalar_in[n].grad_x);
+	  free(scalar_in[n].grad_y);
+	  if(scalar_in[n].var[l].has_missing) free(scalar_in[n].grad_mask);
+	}
+      }
+      for(n=0; n<ntiles_in; n++) free(scalar_in[n].data);
+      for(n=0; n<ntiles_out; n++) free(scalar_out[n].data);
+    }
+
+    /* then interp vector field */
+    for(l=0; l<nvector; l++) {
+      if( !u_in[n].var[l].has_taxis && m>0) continue;
+      level = m + u_in->var[l].lstart;
+      get_input_data(ntiles_in, u_in, grid_in, bound_T, l, level, opcode);
+      get_input_data(ntiles_in, v_in, grid_in, bound_T, l, level, opcode);
+      allocate_field_data(ntiles_out, u_out, grid_out, l);
+      allocate_field_data(ntiles_out, v_out, grid_out, l);
+      if( opcode & BILINEAR )
+	do_vector_bilinear_interp(interp, l, ntiles_in, grid_in, ntiles_out, grid_out, u_in, v_in, u_out, v_out, finer_step, fill_missing);
+      else
+	do_vector_conserve_interp(interp, l, ntiles_in, grid_in, ntiles_out, grid_out, u_in, v_in, u_out, v_out, opcode);
+      
+      write_field_data(ntiles_out, u_out, grid_out, l, m);
+      write_field_data(ntiles_out, v_out, grid_out, l, m);
+      for(n=0; n<ntiles_in; n++) {
+	free(u_in[n].data);
+	free(v_in[n].data);
+      }
+      for(n=0; n<ntiles_out; n++) {
+	free(u_out[n].data);
+	free(v_out[n].data);
+      }      
+    }
+  }
+
+  if(mpp_pe() == mpp_root_pe() ) {
+    printf("Successfully running fregrid and the following output file are generated.\n");
+    for(n=0; n<ntiles_out; n++) {
+      mpp_close(file_out[n].fid);
+      printf("****%s\n", file_out[n].name);
+      if( nfiles > 1 ) {
+	mpp_close(file2_out[n].fid);
+	printf("****%s\n", file2_out[n].name);
+      }
+    }
+  }
+      
+  mpp_end();
+  return 0;
+  
+} /* end of main */
+  
+
+  
+  
diff --git a/gridspec_tools_20080702/tools/fregrid/fregrid_util.c b/gridspec_tools_20080702/tools/fregrid/fregrid_util.c
new file mode 100644
index 0000000..2e12176
--- /dev/null
+++ b/gridspec_tools_20080702/tools/fregrid/fregrid_util.c
@@ -0,0 +1,1597 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include <string.h>
+#include "fregrid_util.h"
+#include "mpp_io.h"
+#include "mosaic_util.h"
+#include "gradient_c2l.h"
+
+#define D2R (M_PI/180)
+#define R2D (180/M_PI)
+#define EPSLN (1.e-10)
+void init_halo(double *var, int nx, int ny, int nz, int halo);
+void update_halo(int nx, int ny, int nz, double *data, Bound_config *bound, Data_holder *dHold);
+void setup_boundary(const char *mosaic_file, int ntiles, Grid_config *grid, Bound_config *bound, int halo, int position);
+void delete_bound_memory(int ntiles, Bound_config *bound);
+/*******************************************************************************
+  void setup_tile_data_file(Mosaic_config mosaic, const char *filename)
+  This routine will setup the data file name for each tile.
+*******************************************************************************/
+
+void set_mosaic_data_file(int ntiles, const char *mosaic_file, const char *dir, File_config *file,
+			  const char *filename)
+{
+  char   str1[STRING]="", str2[STRING]="", tilename[STRING]="";
+  int    i, n, len, fid, vid;
+  size_t start[4], nread[4];
+
+  len = strlen(filename); 
+  if( strstr(filename, ".nc") ) 
+    strncpy(str1, filename, len-3);
+  else
+    strcpy(str1, filename);
+  if(dir) {
+    if(strlen(dir)+strlen(str1) >= STRING)mpp_error("set_mosaic_data_file(fregrid_util): length of str1 + "
+						    "length of dir should be no greater than STRING");
+    sprintf(str2, "%s/%s", dir, str1);
+  }
+  else
+    strcpy(str2, str1);
+  
+  for(i=0; i<4; i++) {
+    start[i] = 0; nread[i] = 1;
+  }
+  nread[1] = STRING;
+  if(ntiles > 1) {
+    if(!mosaic_file) mpp_error("fregrid_util: when ntiles is greater than 1, mosaic_file should be defined");
+    fid = mpp_open(mosaic_file, MPP_READ);
+    vid = mpp_get_varid(fid, "gridtiles");
+  }
+  for(i = 0; i < ntiles; i++) {
+    start[0] = i;
+    if(ntiles > 1) {
+      mpp_get_var_value_block(fid, vid, start, nread, tilename);
+      if(strlen(str2) + strlen(tilename) > STRING -5) mpp_error("set_mosaic_data_file(fregrid_util): length of str2 + "
+								"length of tilename should be no greater than STRING-5");
+      sprintf(file[i].name, "%s.%s.nc", str2, tilename);
+    }
+    else 
+      sprintf(file[i].name, "%s.nc", str2);
+  }
+
+}; /* setup_data_file */
+
+/*******************************************************************************
+  void set_scalar_var()
+*******************************************************************************/
+void set_field_struct(int ntiles, Field_config *field, int nvar, char * varname, File_config *file)
+{
+  int  n, i;
+  
+  if(nvar == 0) return;
+ 
+  for(n=0; n<ntiles; n++) {
+    field[n].file = file[n].name;
+    field[n].fid = &(file[n].fid);
+    field[n].nvar = nvar;
+    field[n].var = (Var_config *)malloc(nvar*sizeof(Var_config)); 
+    for(i=0; i<nvar; i++) 
+      strcpy(field[n].var[i].name, varname+i*STRING);
+  }
+
+}; /* set_field_var */
+
+
+/*******************************************************************************
+  void get_mosaic_grid()
+
+*******************************************************************************/
+void get_input_grid(int ntiles, Grid_config *grid, Bound_config *bound_T, const char *mosaic_file, unsigned int opcode)
+{
+  int         n, m1, m2, i, j, l, ind1, ind2, nlon, nlat;
+  int         ts, tw, tn, te, halo, nbound;
+  int         m_fid, g_fid, vid;
+  int         *nx, *ny;
+  double      *x, *y;
+  char         grid_file[256], filename[256], dir[256];
+  size_t        start[4], nread[4];
+  Data_holder *dHold;
+  Bound_config *bound_C;
+  
+  halo = 0;
+  if(opcode & BILINEAR) halo = 1;
+  for(n=0; n<4; n++) {
+    start[n] = 0; nread[n] = 1;
+  }
+
+  bound_C = (Bound_config *)malloc(ntiles*sizeof(Bound_config));
+  nx = (int *)malloc(ntiles * sizeof(int) );
+  ny = (int *)malloc(ntiles * sizeof(int) );
+
+  m_fid = mpp_open(mosaic_file, MPP_READ);
+  get_file_path(mosaic_file, dir);
+  for(n=0; n<ntiles; n++) {
+    start[0] = n; start[1] = 0; nread[0] = 1; nread[1] = STRING;
+    vid = mpp_get_varid(m_fid, "gridfiles");
+    mpp_get_var_value_block(m_fid, vid, start, nread, filename);
+    sprintf(grid_file, "%s/%s", dir, filename);
+    g_fid = mpp_open(grid_file, MPP_READ);
+    
+    nx[n] = mpp_get_dimlen(g_fid, "nx");
+    ny[n] = mpp_get_dimlen(g_fid, "ny");
+    if(nx[n]%2) mpp_error("fregrid_util(get_input_grid): the size of dimension nx should be even (on supergrid)");
+    if(ny[n]%2) mpp_error("fregrid_util(get_input_grid): the size of dimension ny should be even (on supergrid)");
+    nx[n] /= 2;
+    ny[n] /= 2;
+    grid[n].halo = halo;
+    grid[n].nx   = nx[n];
+    grid[n].ny   = ny[n];
+    grid[n].nxc  = nx[n];
+    grid[n].nyc  = ny[n];
+    
+    /* get supergrid */
+    x = (double *)malloc((2*nx[n]+1)*(2*ny[n]+1)*sizeof(double));
+    y = (double *)malloc((2*nx[n]+1)*(2*ny[n]+1)*sizeof(double));
+
+    vid = mpp_get_varid(g_fid, "x");
+    mpp_get_var_value(g_fid, vid, x);
+    vid = mpp_get_varid(g_fid, "y");
+    mpp_get_var_value(g_fid, vid, y);
+    grid[n].lont = (double *) malloc((nx[n]+2)*(ny[n]+2)*sizeof(double));
+    grid[n].latt = (double *) malloc((nx[n]+2)*(ny[n]+2)*sizeof(double));
+    grid[n].lonc = (double *) malloc((nx[n]+1+2*halo)*(ny[n]+1+2*halo)*sizeof(double));
+    grid[n].latc = (double *) malloc((nx[n]+1+2*halo)*(ny[n]+1+2*halo)*sizeof(double));
+    if(halo>0) {
+      init_halo(grid[n].lonc, nx[n]+1, ny[n]+1, 1, halo);
+      init_halo(grid[n].latc, nx[n]+1, ny[n]+1, 1, halo);
+    }
+    for(j=0; j<=ny[n]; j++) for(i=0; i<=nx[n]; i++) {
+      ind1 = (j+halo)*(nx[n]+1+2*halo)+i+halo;
+      ind2 = 2*j*(2*nx[n]+1)+2*i;
+      grid[n].lonc[ind1] = x[ind2]*D2R;
+      grid[n].latc[ind1] = y[ind2]*D2R;
+    }
+    for(j=0; j<ny[n]; j++) for(i=0; i<nx[n]; i++) {
+      ind1 = (j+1)*(nx[n]+2)+i+1;
+      ind2 = (2*j+1)*(2*nx[n]+1)+2*i+1;
+      grid[n].lont[ind1] = x[ind2]*D2R;
+      grid[n].latt[ind1] = y[ind2]*D2R;
+    }
+    init_halo(grid[n].lont, nx[n], ny[n], 1, 1);
+    init_halo(grid[n].latt, nx[n], ny[n], 1, 1);
+    
+    if(opcode & CONSERVE_ORDER2 || opcode & BILINEAR ) {
+      grid[n].vlon_t = (double *) malloc(3*(nx[n]+2*halo)*(ny[n]+2*halo)*sizeof(double));
+      grid[n].vlat_t = (double *) malloc(3*(nx[n]+2*halo)*(ny[n]+2*halo)*sizeof(double));
+      grid[n].xt     = (double *) malloc((nx[n]+2)*(ny[n]+2)*sizeof(double));
+      grid[n].yt     = (double *) malloc((nx[n]+2)*(ny[n]+2)*sizeof(double));
+      grid[n].zt     = (double *) malloc((nx[n]+2)*(ny[n]+2)*sizeof(double));
+    }
+    /* if vector, need to get rotation angle */
+    /* we assume the grid is orthogonal */
+    if( opcode & VECTOR ) {
+      if( opcode & AGRID) {
+	double *angle;
+      	angle          = (double *) malloc((2*nx[n]+1)*(2*ny[n]+1)*sizeof(double));
+	grid[n].cosrot = (double *) malloc(nx[n]*ny[n]*sizeof(double));	 
+	grid[n].sinrot = (double *) malloc(nx[n]*ny[n]*sizeof(double));
+	vid = mpp_get_varid(g_fid, "angle_dx");
+	mpp_get_var_value(g_fid, vid, angle);
+	grid[n].rotate = 0;
+	for(j=0; j<ny[n]; j++) for(i=0; i<nx[n]; i++) {
+          m1 = j*nx[n]+i;
+	  m2 = (2*j+2)*(2*nx[n]+2)+2*i+2;
+	  grid[n].cosrot[m1] = cos(angle[m2]*D2R);
+	  grid[n].sinrot[m1] = sin(angle[m2]*D2R);
+	  if(fabs(grid[n].sinrot[m1]) > EPSLN) grid[n].rotate = 1;
+	}
+	free(angle);
+      }
+    }
+    free(x);
+    free(y);
+    mpp_close(g_fid);
+  }
+
+  mpp_close(m_fid);
+  
+  /* get the boundary condition */
+  setup_boundary(mosaic_file, ntiles, grid, bound_T, 1, CENTER);
+  if(opcode & BILINEAR)
+    setup_boundary(mosaic_file, ntiles, grid, bound_C, 1, CORNER);
+
+  for(n=0; n<ntiles; n++) {
+    nlon = grid[n].nx;
+    nlat = grid[n].ny;
+    nbound = bound_T[n].nbound;
+    if(nbound > 0 ) {
+      dHold = (Data_holder *)malloc(nbound*sizeof(Data_holder));
+      for(l=0; l<nbound; l++) {
+	dHold[l].data = grid[bound_T[n].tile2[l]].lont;
+	dHold[l].nx = grid[bound_T[n].tile2[l]].nx+2;
+	dHold[l].ny = grid[bound_T[n].tile2[l]].ny+2;
+      }
+      update_halo(nlon+2, nlat+2, 1, grid[n].lont, &(bound_T[n]), dHold );
+      for(l=0; l<nbound; l++) dHold[l].data = grid[bound_T[n].tile2[l]].latt;
+      update_halo(nlon+2, nlat+2, 1, grid[n].latt, &(bound_T[n]), dHold );
+	
+      for(l=0; l<nbound; l++) dHold[l].data = NULL;
+      free(dHold);
+    }
+  }
+  
+  if(opcode & BILINEAR) {
+
+  }
+  
+  /* for bilinear interpolation, need to get cell-center grid */
+  if(opcode & BILINEAR) {
+    /*--- fill the halo of corner cell */
+    for(n=0; n<ntiles; n++) {
+      nlon = grid[n].nx;
+      nlat = grid[n].ny;
+      latlon2xyz((nlon+2)*(nlat+2), grid[n].lont, grid[n].latt, grid[n].xt, grid[n].yt, grid[n].zt);
+      unit_vect_latlon((nlon+2)*(nlat+2), grid[n].lont, grid[n].latt, grid[n].vlon_t, grid[n].vlat_t);
+      nbound = bound_C[n].nbound;
+      if(nbound > 0) {
+	dHold = (Data_holder *)malloc(nbound*sizeof(Data_holder));
+	for(l=0; l<nbound; l++) {
+	  dHold[l].data = grid[bound_C[n].tile2[l]].lonc;
+	  dHold[l].nx   = grid[bound_C[n].tile2[l]].nx + 1 + 2*halo;
+	  dHold[l].ny   = grid[bound_C[n].tile2[l]].ny + 1 + 2*halo;
+	}
+	update_halo(nlon+1+2*halo, nlat+1+2*halo, 1, grid[n].lonc, &(bound_C[n]), dHold);
+	for(l=0; l<nbound; l++) dHold[l].data = grid[bound_C[n].tile2[l]].latc;
+	
+	update_halo(nlon+1+2*halo, nlat+1+2*halo, 1, grid[n].latc, &(bound_C[n]), dHold);
+	for(l=0; l<nbound; l++) dHold[l].data = NULL;
+	free(dHold);
+      }
+    }
+  }
+  else if(opcode & CONSERVE_ORDER2) {
+    double p1[3], p2[3], p3[3], p4[3];
+    
+    for(n=0; n<ntiles; n++) {
+      int is_true = 1;
+      nlon = grid[n].nx;
+      nlat = grid[n].ny;
+      /* calculate dx, dy, area */
+      grid[n].dx     = (double *)malloc(nlon    *(nlat+1)*sizeof(double));
+      grid[n].dy     = (double *)malloc((nlon+1)*nlat    *sizeof(double));
+      grid[n].area   = (double *)malloc(nlon    *nlat    *sizeof(double));
+      grid[n].edge_w = (double *)malloc(         (nlat+1)*sizeof(double));
+      grid[n].edge_e = (double *)malloc(         (nlat+1)*sizeof(double));
+      grid[n].edge_s = (double *)malloc((nlon+1)         *sizeof(double));
+      grid[n].edge_n = (double *)malloc((nlon+1)         *sizeof(double));
+      grid[n].en_n   = (double *)malloc(3*nlon  *(nlat+1)*sizeof(double));
+      grid[n].en_e   = (double *)malloc(3*(nlon+1)*nlat  *sizeof(double));
+      calc_c2l_grid_info(&nlon, &nlat, grid[n].lont, grid[n].latt, grid[n].lonc, grid[n].latc,
+			 grid[n].dx, grid[n].dy, grid[n].area, grid[n].edge_w, grid[n].edge_e,
+			 grid[n].edge_s, grid[n].edge_n, grid[n].en_n, grid[n].en_e,
+			 grid[n].vlon_t, grid[n].vlat_t, &is_true, &is_true, &is_true, &is_true);
+    }
+  }
+
+  if(opcode & BILINEAR) delete_bound_memory(ntiles, bound_C);
+  free(bound_C);
+  free(nx);
+  free(ny);
+}; /* get_input_grid */ 
+
+/*******************************************************************************
+  void get_output_grid_from_mosaic(Mosaic_config *mosaic)
+
+*******************************************************************************/
+void get_output_grid_from_mosaic(int ntiles, Grid_config *grid, const char *mosaic_file, unsigned int opcode)
+{
+  int         n, i, j, ii, jj, npes, layout[2];
+  int         m_fid, g_fid, vid;
+  int         *nx, *ny;
+  double      *x, *y;
+  size_t        start[4], nread[4];
+  char         grid_file[256], filename[256], dir[256];
+  
+  if(opcode & BILINEAR) mpp_error("fregrid_util: for bilinear interpolation, output grid can not got from mosaic file");
+  
+  npes   = mpp_npes();
+  nx = (int *)malloc(ntiles * sizeof(int) );
+  ny = (int *)malloc(ntiles * sizeof(int) );
+
+  for(n=0; n<4; n++) {
+    start[n] = 0;
+    nread[n] = 1;
+  }
+  m_fid = mpp_open(mosaic_file, MPP_READ);
+  get_file_path(mosaic_file, dir);
+  
+  for(n=0; n<ntiles; n++) {
+    start[0] = n; start[1] = 0; nread[0] = 1; nread[1] = STRING;
+    vid = mpp_get_varid(m_fid, "gridfiles");
+    mpp_get_var_value_block(m_fid, vid, start, nread, filename);
+    sprintf(grid_file, "%s/%s", dir, filename);
+    g_fid = mpp_open(grid_file, MPP_READ);
+    nx[n] = mpp_get_dimlen(g_fid, "nx");
+    ny[n] = mpp_get_dimlen(g_fid, "ny");
+    if(nx[n]%2) mpp_error("fregrid_util(get_output_grid_from_mosaic): the size of dimension nx should be even (on supergrid)");
+    if(ny[n]%2) mpp_error("fregrid_util(get_output_grid_from_mosaic): the size of dimension ny should be even (on supergrid)");
+    nx[n] /= 2;
+    ny[n] /= 2;
+    grid[n].nx = nx[n];
+    grid[n].ny = ny[n];
+    /* to be able to reprocessor count, layout need to be set as follwoing */
+    layout[0] = 1;
+    layout[1] = npes;
+    mpp_define_domain2d(grid[n].nx, grid[n].ny, layout, 0, 0, &(grid[n].domain));
+    mpp_get_compute_domain2d(grid[n].domain, &(grid[n].isc), &(grid[n].iec), &(grid[n].jsc), &(grid[n].jec));
+    grid[n].nxc = grid[n].iec - grid[n].isc + 1;
+    grid[n].nyc = grid[n].jec - grid[n].jsc + 1;
+
+    grid[n].lonc  = (double *) malloc((grid[n].nxc+1)*(grid[n].nyc+1)*sizeof(double));
+    grid[n].latc  = (double *) malloc((grid[n].nxc+1)*(grid[n].nyc+1)*sizeof(double));
+    
+    grid[n].lont1D = (double *) malloc(nx[n]*sizeof(double));
+    grid[n].latt1D = (double *) malloc(ny[n]*sizeof(double));
+    grid[n].lonc1D = (double *) malloc((nx[n]+1)*sizeof(double));
+    grid[n].latc1D = (double *) malloc((ny[n]+1)*sizeof(double));
+    x = (double *) malloc((2*nx[n]+1)*(2*ny[n]+1)*sizeof(double));
+    y = (double *) malloc((2*nx[n]+1)*(2*ny[n]+1)*sizeof(double));
+    vid = mpp_get_varid(g_fid, "x");
+    mpp_get_var_value(g_fid, vid, x);
+    vid = mpp_get_varid(g_fid, "y");
+    mpp_get_var_value(g_fid, vid, y);
+    for(j=0; j<=grid[n].nyc; j++) for(i=0; i<=grid[n].nxc; i++) {
+      jj = 2*(j + grid[n].jsc);
+      ii = 2*(i + grid[n].isc);
+      grid[n].lonc[j*(grid[n].nxc+1)+i] = x[jj*(2*nx[n]+1)+ii] * D2R;
+      grid[n].latc[j*(grid[n].nxc+1)+i] = y[jj*(2*nx[n]+1)+ii] * D2R;
+    }
+    for(i=0; i<nx[n]+1; i++) grid[n].lonc1D[i] = x[i] * D2R;
+    for(j=0; j<ny[n]+1; j++) grid[n].latc1D[j] = y[j*(nx[n]+1)] * D2R;
+
+    for(i=0; i<nx[n]; i++) grid[n].lont1D[i] = x[2*nx[n]+1+2*i+1] * D2R;
+    for(j=0; j<ny[n]; j++) grid[n].latt1D[j] = y[(2*j+1)*(2*nx[n]+1) + 1] * D2R;
+    free(x);
+    free(y);
+      
+    /* if vector, need to get rotation angle */
+    /* we assume the grid is orthogonal */
+    if(opcode & VECTOR) {
+      if(opcode & AGRID) {
+	double *angle; 
+	angle          = (double *) malloc((2*nx[n]+1)*(2*ny[n]+1)*sizeof(double));
+	grid[n].cosrot = (double *) malloc(nx[n]*ny[n]*sizeof(double));	 
+	grid[n].sinrot = (double *) malloc(nx[n]*ny[n]*sizeof(double));
+	vid = mpp_get_varid(g_fid, "angle_dx");
+	mpp_get_var_value(g_fid, vid, angle);
+	grid[n].rotate = 0;
+	for(j=0; j<grid[n].nyc; j++) for(i=0; i<grid[n].nxc; i++) {
+	  jj = 2*(j + grid[n].jsc);
+	  ii = 2*(i + grid[n].isc);
+	  grid[n].cosrot[j*grid[n].nxc+i] = cos(angle[jj*(2*nx[n]+1)+ii]*D2R);
+	  grid[n].sinrot[j*grid[n].nxc+i] = sin(angle[jj*(2*nx[n]+1)+ii]*D2R);
+	  if(fabs(grid[n].sinrot[j*grid[n].nxc+i]) > EPSLN) grid[n].rotate = 1;
+	}
+	free(angle);
+      }
+    }
+    mpp_close(g_fid);
+  }
+
+  mpp_close(m_fid);
+  
+  free(nx);
+  free(ny);
+}; /* get_output_grid_from_mosaic*/ 
+
+/*******************************************************************************
+  void get_output_grid_by_size(Mosaic_config *mosaic, int nlon, int nlat, int finer_steps, unsigned int opcode)
+  calculate output grid based on nlon, nlat and finer steps.
+
+*******************************************************************************/
+void get_output_grid_by_size(int ntiles, Grid_config *grid, double lonbegin, double lonend, double latbegin, double latend,
+			     int nlon, int nlat, int finer_steps, int center_y, unsigned int opcode)
+{
+  double      dlon, dlat, lon_fine, lat_fine, lon_range, lat_range;
+  int         nx_fine, ny_fine, i, j, layout[2];
+  int nxc, nyc, ii, jj;
+  
+  if(ntiles !=1) mpp_error("fregrid_utils: ntiles of output mosaic must be 1 for bilinear interpolation");
+  if(finer_steps && !(opcode&BILINEAR)) mpp_error("fregrid_util: finer_steps must be 0 when interp_method is not bilinear");
+  
+  grid->nx      = nlon;
+  grid->ny      = nlat;
+  grid->nx_fine = pow(2,finer_steps)*nlon;
+  grid->ny_fine = pow(2,finer_steps)*(nlat-1)+1;
+  nx_fine       = grid->nx_fine;
+  ny_fine       = grid->ny_fine;
+  lon_range     = lonend - lonbegin;
+  lat_range     = latend - latbegin;
+
+  grid->lont1D = (double *)malloc(nlon*sizeof(double));
+  grid->latt1D = (double *)malloc(nlat*sizeof(double));
+  grid->lonc1D = (double *)malloc((nlon+1)*sizeof(double));
+  grid->latc1D = (double *)malloc((nlat+1)*sizeof(double));
+
+  dlon=lon_range/nlon;
+  for(i=0; i<nlon; i++) grid->lont1D[i]  = (lonbegin + (i + 0.5)*dlon)*D2R;
+  for(i=0; i<=nlon; i++) grid->lonc1D[i] = (lonbegin + i*dlon)*D2R;
+
+  layout[0] = 1;
+  layout[1] = mpp_npes();
+  mpp_define_domain2d(grid->nx, grid->ny, layout, 0, 0, &(grid->domain));
+  mpp_get_compute_domain2d(grid->domain, &(grid->isc), &(grid->iec), &(grid->jsc), &(grid->jec));
+  grid->nxc = grid->iec - grid->isc + 1;
+  grid->nyc = grid->jec - grid->jsc + 1;
+  nxc       = grid->nxc;
+  nyc       = grid->nyc;
+  if(center_y) {
+    dlat=lat_range/nlat;
+    for(j=0; j<nlat; j++) grid->latt1D[j] = (latbegin+(j+0.5)*dlat)*D2R;
+    for(j=0; j<=nlat; j++) grid->latc1D[j] = (latbegin+j*dlat)*D2R;
+  }
+  else {
+    dlat=lat_range/(nlat-1);
+    for(j=0; j<nlat; j++) grid->latt1D[j] = (latbegin+j*dlat)*D2R;
+    for(j=0; j<=nlat; j++) grid->latc1D[j] = (latbegin+(j-0.5)*dlat)*D2R;
+  }
+  
+  if(opcode & BILINEAR) {
+    grid->latt1D_fine = (double *)malloc(ny_fine*sizeof(double));
+    grid->lont   = (double *)malloc(nx_fine*ny_fine*sizeof(double));
+    grid->latt   = (double *)malloc(nx_fine*ny_fine*sizeof(double));
+    grid->xt     = (double *)malloc(nx_fine*ny_fine*sizeof(double));
+    grid->yt     = (double *)malloc(nx_fine*ny_fine*sizeof(double));  
+    grid->zt     = (double *)malloc(nx_fine*ny_fine*sizeof(double));  
+    grid->vlon_t = (double *)malloc(3*nx_fine*ny_fine*sizeof(double));
+    grid->vlat_t = (double *)malloc(3*nx_fine*ny_fine*sizeof(double));  
+
+    dlon = lon_range/nx_fine;
+    for(i=0; i<nx_fine; i++) {
+      lon_fine = (lonbegin + (i + 0.5)*dlon)*D2R;
+      for(j=0; j<ny_fine; j++) grid->lont[j*nx_fine+i] = lon_fine;
+    }
+    if(center_y) {
+      dlat=lat_range/ny_fine;
+      for(j=0; j<ny_fine; j++)grid->latt1D_fine[j] = (latbegin+(j+0.5)*dlat)*D2R;
+    }
+    else {
+      dlat = lat_range/(ny_fine-1);
+      for(j=0; j<ny_fine; j++) grid->latt1D_fine[j] = (latbegin+j*dlat)*D2R;
+     
+    }
+    for(j=0; j<ny_fine; j++) for(i=0; i<nx_fine; i++) {
+      grid->latt[j*nx_fine+i] = grid->latt1D_fine[j];
+    }
+    /* get the cartesian coordinates */  
+    latlon2xyz(nx_fine*ny_fine, grid->lont, grid->latt, grid->xt, grid->yt, grid->zt);
+
+    unit_vect_latlon(nx_fine*ny_fine, grid->lont, grid->latt, grid->vlon_t, grid->vlat_t);
+  
+  }
+  else { /* for conservative interpolation */
+
+    grid->lonc  = (double *) malloc((nxc+1)*(nyc+1)*sizeof(double));
+    grid->latc  = (double *) malloc((nxc+1)*(nyc+1)*sizeof(double));
+    for(j=0; j<=nyc; j++) {
+      jj = j + grid->jsc;
+      for(i=0; i<=nxc; i++) {
+	ii = i + grid->isc;
+	grid->lonc[j*(nxc+1)+i] = grid->lonc1D[ii];
+	grid->latc[j*(nxc+1)+i] = grid->latc1D[jj];
+      }
+    }
+    if(opcode & VECTOR) { /* no rotation is needed for regular lat-lon grid. */
+      grid->rotate = 0;
+    }
+  }
+  
+}; /* get_output_grid_by_size */
+  
+/*******************************************************************************
+  void get_input_metadata(Mosaic_config, *mosaic)
+*******************************************************************************/
+void get_input_metadata(int ntiles, int nfiles, File_config *file1, File_config *file2,
+		        Field_config *scalar, Field_config *u_comp, Field_config *v_comp,
+			const Grid_config *grid, int kbegin, int kend, int lbegin, int lend)
+{
+  int     n, m, i, l, ll, nscalar, nvector, nfield;
+  int     ndim, dimsize[4], nz;
+  nc_type type[4];
+  char    cart[4];
+  char    dimname[4][STRING], bndname[4][STRING], errmsg[STRING];
+  File_config  *file  = NULL;
+  Field_config *field = NULL;
+  size_t start[4], nread[4];
+  
+  /* First find out how many fields in file and file2. */
+  nscalar = 0;
+  nvector = 0;
+  if( scalar) nscalar = scalar->nvar;
+  if( u_comp) nvector = u_comp->nvar;
+
+  for(n=0; n<4; n++) {
+    start[n] = 0; nread[n] = 1;
+  }
+  
+  for(m=0; m<nfiles; m++) {
+    file = m==0? file1:file2;  
+    for(n=0; n<ntiles; n++) {
+      file[n].nt        = 1;
+      file[n].axis      = (Axis_config *)malloc(MAXDIM*sizeof(Axis_config));
+      file[n].ndim      = 0;
+      file[n].has_tavg_info = 0;
+    }
+  }
+             
+  for(l=0; l<nscalar; l++) for(n=0; n<ntiles; n++) {
+    scalar[n].var[l].nz        = 1;
+    scalar[n].var[l].has_zaxis = 0;
+    scalar[n].var[l].has_taxis = 0;
+    scalar[n].var[l].kstart    = 0;
+    scalar[n].var[l].kend      = 0;
+    scalar[n].var[l].lstart    = 0;
+    scalar[n].var[l].lend      = 0;
+  }
+    
+  for(l=0; l<nvector; l++) for(n=0; n<ntiles; n++) {
+    u_comp[n].var[l].nz        = 1;
+    u_comp[n].var[l].has_zaxis = 0;
+    u_comp[n].var[l].has_taxis = 0;
+    u_comp[n].var[l].kstart    = 0;
+    u_comp[n].var[l].kend      = 0;
+    u_comp[n].var[l].lstart    = 0;
+    u_comp[n].var[l].lend      = 0;
+    v_comp[n].var[l].nz        = 1;
+    v_comp[n].var[l].has_zaxis = 0;
+    v_comp[n].var[l].has_taxis = 0;
+    v_comp[n].var[l].kstart    = 0;
+    v_comp[n].var[l].kend      = 0;
+    v_comp[n].var[l].lstart    = 0;
+    v_comp[n].var[l].lend      = 0;   
+  }
+  
+  nfield = (nfiles == 1)? (nscalar+2*nvector):nvector;  /* when nfiles = 2, no scalar */
+  
+  for(m=0; m<nfiles; m++) {
+    file = m==0? file1:file2;
+    for(n=0; n<ntiles; n++) {
+      for(l=0; l<nfield; l++) {
+	if(nfiles == 1) {
+	  if(l<nscalar) {
+	    field = scalar;
+	    ll = l;
+	  }
+	  else if(l<nscalar + nvector) {
+	    field = u_comp;
+	    ll = l - nscalar;
+	  }
+	  else {
+	    field = v_comp;
+	    ll = l - nscalar - nvector;
+	  }
+	}
+	else {
+	  ll = l;
+	  field = (m==0)?u_comp:v_comp;
+	}
+
+      	field[n].var[ll].vid = mpp_get_varid(file[n].fid, field[n].var[ll].name);
+	field[n].var[ll].type  = mpp_get_var_type(file[n].fid, field[n].var[ll].vid);
+        /* check if time_avg_info attribute existed in any variables */
+	if(!file[n].has_tavg_info) {
+	  if(mpp_var_att_exist(file[n].fid, field[n].var[ll].vid, "time_avg_info") ) file[n].has_tavg_info = 1;
+	}
+	ndim = mpp_get_var_ndim(file[n].fid, field[n].var[ll].vid);
+	
+	for(i=0; i<ndim; i++) {
+	  int vid;
+          mpp_get_var_dimname(file[n].fid, field[n].var[ll].vid, i, dimname[i]);
+	  dimsize[i] = mpp_get_dimlen(file[n].fid, dimname[i]);
+	  vid = mpp_get_varid(file[n].fid, dimname[i]);
+	  cart[i] = mpp_get_var_cart(file[n].fid, vid);
+	  type[i] = mpp_get_var_type(file[n].fid, vid);
+	  mpp_get_var_bndname(file[n].fid, vid, bndname[i]);
+      	}
+	field[n].var[ll].ndim = ndim;
+	if(ndim <2 || ndim>4) mpp_error("get_input_metadata(fregrid_util.c): ndim should be no less than 2 and no larger than 4");
+	if(cart[ndim-1] != 'X') mpp_error("get_input_metadata(fregrid_util.c): the last dimension cartesian should be 'X'");
+	if(cart[ndim-2] != 'Y') mpp_error("get_input_metadata(fregrid_util.c): the second last dimension cartesian should be 'Y'");
+	if(dimsize[ndim-1] != grid[n].nx) mpp_error("get_input_metadata(fregrid_util.c): x-size in grid file in not the same as in data file");
+	if(dimsize[ndim-2] != grid[n].ny) mpp_error("get_input_metadata(fregrid_util.c): y-size in grid file in not the same as in data file");	
+	if(cart[0] == 'Z' || cart[1] == 'Z') {
+	  field[n].var[ll].has_zaxis = 1;
+	  field[n].var[ll].nz        = cart[0] == 'Z'? dimsize[0]:dimsize[1];
+	  /* the selected vertical level should be between 1 and nz. */
+	  if(kend > field[n].var[ll].nz) {
+	    sprintf(errmsg, "get_input_metadata(fregrid_util.c): KlevelEnd should be no larger than "
+		    "number of vertical levels of field %s in file %s.", field[n].var[ll].name, file[n].name);
+	    mpp_error(errmsg);
+	  }
+	  if(kbegin>0) {
+	    field[n].var[ll].kstart = kbegin - 1;
+	    field[n].var[ll].kend   = kend - 1;
+	    field[n].var[ll].nz     = kend - kbegin + 1;
+	  }
+	  else {
+	    field[n].var[ll].kstart = 0;
+	    field[n].var[ll].kend   = field[n].var[ll].nz - 1;
+	  }
+	}
+	if(cart[0] == 'T') {
+	  field[n].var[ll].has_taxis = 1;
+	  if(lend > dimsize[0]) {
+	    sprintf(errmsg, "get_input_metadata(fregrid_util.c): LstepEnd should be no larger than "
+		    "number of time levels of field %s in file %s.", field[n].var[ll].name, file[n].name);
+	    mpp_error(errmsg);
+	  }
+	  if(lbegin>0) {
+	    field[n].var[ll].lstart = lbegin - 1;
+	    field[n].var[ll].lend   = lend - 1;
+	    file[n].nt              = lend - lbegin + 1;
+	  }
+	  else {
+	    field[n].var[ll].lstart = 0;
+	    field[n].var[ll].lend   = dimsize[0] - 1;
+	    file[n].nt              = dimsize[0];
+	  }
+	    
+	}
+	for(i=0; i<ndim; i++) {
+	  /* loop through all the file dimensions to see if the dimension already exist or not */
+	  int found, j; 
+	  found = 0;
+	  for(j=0; j<file[n].ndim; j++) {
+	    if(!strcmp(dimname[i], file[n].axis[j].name) ) {
+	      found = 1;
+	      field[n].var[ll].index[i] = j;
+	      break;
+	    }
+	  }
+	  if(!found) {
+	    j                         = file[n].ndim;
+	    field[n].var[ll].index[i] = file[n].ndim;
+	    file[n].ndim++;
+            if(	file[n].ndim > MAXDIM) mpp_error("get_input_metadata(fregrid_util.c):ndim is greater than MAXDIM");
+
+	    file[n].axis[j].cart = cart[i];
+	    file[n].axis[j].type = type[i];
+	    strcpy(file[n].axis[j].name, dimname[i]);
+	    strcpy(file[n].axis[j].bndname, bndname[i]);
+	    file[n].axis[j].vid = mpp_get_varid(file[n].fid, dimname[i]);
+	    if(cart[i] == 'T') {
+	      start[0] = field[n].var[ll].lstart;
+	      file[n].axis[j].size = file[n].nt;
+	    }
+	    else if(cart[i] == 'Z') {
+	      start[0] = field[n].var[ll].kstart;
+	      file[n].axis[j].size = field[n].var[ll].nz;
+	    }
+	    else {
+	      start[0] = 0;
+               file[n].axis[j].size = dimsize[i];
+	    }
+	    file[n].axis[j].data = (double *)malloc(file[n].axis[j].size*sizeof(double));
+	    nread[0] = file[n].axis[j].size;
+	    mpp_get_var_value_block(file[n].fid, file[n].axis[j].vid, start, nread, file[n].axis[j].data);
+	    file[n].axis[j].bndtype = 0;
+	    if(strcmp(bndname[i], "none") ) {
+	      file[n].axis[j].bndid = mpp_get_varid(file[n].fid, bndname[i]);
+	      if(mpp_get_var_ndim(file[n].fid,file[n].axis[j].bndid) == 1) {
+		file[n].axis[j].bndtype = 1;
+		file[n].axis[j].bnddata = (double *)malloc((file[n].axis[j].size+1)*sizeof(double));
+		nread[0] = file[n].axis[j].size+1;
+	      }
+	      else {
+	        file[n].axis[j].bndtype = 2;
+		file[n].axis[j].bnddata = (double *)malloc(2*file[n].axis[j].size*sizeof(double));
+		nread[0] = file[n].axis[j].size; nread[1] = 2;
+	      }
+	      mpp_get_var_value_block(file[n].fid, file[n].axis[j].bndid, start, nread, file[n].axis[j].bnddata);
+	    }
+	  }
+	} /*ndim*/
+      }  /* nvar */
+    } /* ntile */
+    /* make sure the consistency between tiles */
+    for(n=1; n<ntiles; n++) {
+      if(file[n].has_tavg_info != file[0].has_tavg_info)
+	mpp_error("get_input_metadata(fregrid_util.c): mismatch between tiles for field attribute has_tavg_info");
+      
+      if(file[n].ndim != file[0].ndim)
+	mpp_error("get_input_metadata(fregrid_util.c): mismatch between tiles for file ndim");
+      for(l=0; l<file[n].ndim; l++) {
+	if(strcmp(file[n].axis[l].name, file[0].axis[l].name) )
+	   mpp_error("get_input_metadata(fregrid_util.c): mismatch between tiles for file axis name");
+      }
+      for(l=0; l<nscalar+2*nvector; l++) {
+	if(l<nscalar) {
+	  field = scalar;
+	  ll = l;
+	}
+	else if(l<nscalar + nvector) {
+	  field = u_comp;
+	  ll = l - nscalar;
+	}
+	else {
+	  field = v_comp;
+	  ll = l - nscalar - nvector;
+	}      
+	if(field[n].var[ll].ndim != field[0].var[ll].ndim)
+	  mpp_error("get_input_metadata(fregrid_util.c): mismatch between tiles for var ndim");
+	for(i=0; i<field[n].var[ll].ndim; i++) {  
+	  if(field[n].var[ll].index[i] != field[0].var[ll].index[i])
+	    mpp_error("get_input_metadata(fregrid_util.c): mismatch between tiles for var dimindex");
+	}
+      }
+    }
+    /* close the file and get the tavg_info */
+    for(n=0; n<ntiles; n++) {
+      if(file[n].has_tavg_info) {
+
+	file[n].t1    = (double *)malloc(file[n].nt*sizeof(double));
+	file[n].t2    = (double *)malloc(file[n].nt*sizeof(double));	
+	file[n].dt    = (double *)malloc(file[n].nt*sizeof(double));
+	file[n].id_t1 = mpp_get_varid(file[n].fid, "average_T1");
+	file[n].id_t2 = mpp_get_varid(file[n].fid, "average_T2");
+	file[n].id_dt = mpp_get_varid(file[n].fid, "average_DT");
+	if(lbegin > 0) 
+	  start[0] = lbegin-1;
+	else
+	  start[0] = 0;
+	  nread[0] = file[n].nt; nread[1] = 1; 
+	mpp_get_var_value_block(file[n].fid, file[n].id_t1, start, nread, file[n].t1);
+	mpp_get_var_value_block(file[n].fid, file[n].id_t2, start, nread, file[n].t2);	
+	mpp_get_var_value_block(file[n].fid, file[n].id_dt, start, nread, file[n].dt);
+      }
+    }
+
+  } /*nfile*/
+
+}; /* get_input_metadata */
+  
+
+/*******************************************************************************
+void set_output_metadata ( Mosaic_config *mosaic)
+*******************************************************************************/
+
+void set_output_metadata (int ntiles_in, int nfiles, const File_config *file1_in, const File_config *file2_in,
+			  const Field_config *scalar_in, const Field_config *u_in, const Field_config *v_in,
+			  int ntiles_out, File_config *file1_out, File_config *file2_out, Field_config *scalar_out,
+			  Field_config *u_out, Field_config *v_out, const Grid_config *grid_out,
+			  const char *history, const char *tagname)
+{
+  int m, n, ndim, i, l, dims[4];
+  int dim_bnds, dim_time;
+  int nscalar, nvector;
+  const File_config *file_in = NULL;
+  File_config *file_out = NULL;
+
+  nscalar = 0;
+  nvector = 0;
+  if( scalar_in) nscalar = scalar_in->nvar;
+  if( u_in)      nvector = u_in->nvar;
+  for(n=0; n<ntiles_out; n++) {
+    for(l=0; l<nscalar; l++) {
+      scalar_out[n].var[l].kstart      = scalar_in[0].var[l].kstart;
+      scalar_out[n].var[l].kend        = scalar_in[0].var[l].kend;
+      scalar_out[n].var[l].lstart      = scalar_in[0].var[l].lstart;
+      scalar_out[n].var[l].lend        = scalar_in[0].var[l].lend;
+      scalar_out[n].var[l].nz          = scalar_in[0].var[l].nz;
+      scalar_out[n].var[l].has_zaxis   = scalar_in[0].var[l].has_zaxis;
+      scalar_out[n].var[l].has_taxis   = scalar_in[0].var[l].has_taxis;
+      scalar_out[n].var[l].ndim        = scalar_in[0].var[l].ndim;
+      for(i=0; i<scalar_in[0].var[l].ndim; i++) scalar_out[n].var[l].index[i] = scalar_in[0].var[l].index[i];
+    }
+    
+    for(l=0; l<nvector; l++) {
+      u_out[n].var[l].ndim        = u_in[0].var[l].ndim;
+      v_out[n].var[l].ndim        = v_in[0].var[l].ndim;
+      for(i=0; i<u_in[0].var[l].ndim; i++) u_out[n].var[l].index[i] = u_in[0].var[l].index[i];
+      for(i=0; i<v_in[0].var[l].ndim; i++) v_out[n].var[l].index[i] = v_in[0].var[l].index[i];
+      u_out[n].var[l].kstart      = u_in[0].var[l].kstart;
+      u_out[n].var[l].kend        = u_in[0].var[l].kend;
+      u_out[n].var[l].lstart      = u_in[0].var[l].lstart;
+      u_out[n].var[l].lend        = u_in[0].var[l].lend;
+      u_out[n].var[l].nz          = u_in[0].var[l].nz;
+      u_out[n].var[l].has_zaxis   = u_in[0].var[l].has_zaxis;
+      u_out[n].var[l].has_taxis   = u_in[0].var[l].has_taxis;
+      v_out[n].var[l].kstart      = v_in[0].var[l].kstart;
+      v_out[n].var[l].kend        = v_in[0].var[l].kend;
+      v_out[n].var[l].lstart      = v_in[0].var[l].lstart;
+      v_out[n].var[l].lend        = v_in[0].var[l].lend;
+      v_out[n].var[l].nz          = v_in[0].var[l].nz;
+      v_out[n].var[l].has_zaxis   = v_in[0].var[l].has_zaxis;
+      v_out[n].var[l].has_taxis   = v_in[0].var[l].has_taxis;
+    }
+  }
+  
+  for(m=0; m<nfiles; m++) {
+    file_in  = m==0? file1_in:file2_in;
+    file_out = m==0? file1_out:file2_out;
+    for(n=0; n<ntiles_out; n++) {
+      char tilename[STRING];
+      file_out[n].nt        = file_in[0].nt;
+      ndim                  = file_in[0].ndim;
+      file_out[n].ndim      = ndim;
+      file_out[n].axis      = (Axis_config *)malloc(ndim*sizeof(Axis_config));
+      file_out[n].has_tavg_info = file_in[0].has_tavg_info;
+      
+      for(i=0; i<ndim; i++) {
+	file_out[n].axis[i].cart = file_in[0].axis[i].cart;
+	file_out[n].axis[i].size = file_in[0].axis[i].size;
+	if(file_out[n].axis[i].cart == 'X') file_out[n].axis[i].size = grid_out[n].nx;
+	if(file_out[n].axis[i].cart == 'Y') file_out[n].axis[i].size = grid_out[n].ny;	
+	file_out[n].axis[i].type    = file_in[0].axis[i].type;
+	file_out[n].axis[i].bndtype = file_in[0].axis[i].bndtype;
+	strcpy(file_out[n].axis[i].name, file_in[0].axis[i].name);
+	strcpy(file_out[n].axis[i].bndname, file_in[0].axis[i].bndname);
+      }
+      for(i=0; i<ndim; i++) {
+	file_out[n].axis[i].data = (double *)malloc(file_out[n].axis[i].size*sizeof(double));
+	if( file_out[n].axis[i].cart == 'X' ) {   /* x-axis */
+	  for(l=0; l<file_out[n].axis[i].size; l++) 
+	    file_out[n].axis[i].data[l] = grid_out[n].lont1D[l]*R2D; /* T-cell center */
+	}
+	else if ( file_out[n].axis[i].cart == 'Y') { /* y-axis */
+	  for(l=0; l<file_out[n].axis[i].size; l++) 
+	    file_out[n].axis[i].data[l] = grid_out[n].latt1D[l]*R2D; /* T-cell center */
+	}	  
+	else { /* z or t axis */
+	  for(l=0; l<file_out[n].axis[i].size; l++) 
+	    file_out[n].axis[i].data[l] = file_in[0].axis[i].data[l];
+	}
+	switch( file_out[n].axis[i].bndtype ) {
+	case 1:
+	  file_out[n].axis[i].bnddata = (double *)malloc((file_out[n].axis[i].size+1)*sizeof(double));
+	  if( file_out[n].axis[i].cart == 'X' ) {   /* x-axis */
+	    for(l=0; l<=file_out[n].axis[i].size; l++) file_out[n].axis[i].bnddata[l] = grid_out[n].lonc1D[l]*R2D;
+	  }
+	  else if(file_out[n].axis[i].cart == 'Y') {
+	    for(l=0; l<=file_out[n].axis[i].size; l++) file_out[n].axis[i].bnddata[l  ] = grid_out[n].latc1D[l]*R2D;
+	  }
+	  else {
+	    for(l=0; l<=file_out[n].axis[i].size; l++) file_out[n].axis[i].bnddata[l] = file_in[0].axis[i].bnddata[l];
+	  }
+	  break;
+     	case 2:
+	  file_out[n].axis[i].bnddata = (double *)malloc(2*file_out[n].axis[i].size*sizeof(double));
+	  if( file_out[n].axis[i].cart == 'X' ) {   /* x-axis */
+	    for(l=0; l<file_out[n].axis[i].size; l++) {
+	      file_out[n].axis[i].bnddata[2*l  ] = grid_out[n].lonc[l]*R2D;
+	      file_out[n].axis[i].bnddata[2*l+1] = grid_out[n].lonc[l+1]*R2D;
+	    }
+	  }
+	  else if(file_out[n].axis[i].cart == 'Y') {
+	    for(l=0; l<file_out[n].axis[i].size; l++) {
+	      file_out[n].axis[i].bnddata[2*l  ] = grid_out[n].latc[l]*R2D;
+	      file_out[n].axis[i].bnddata[2*l+1] = grid_out[n].latc[l+1]*R2D;
+	    }
+	  }
+	  else {
+	    for(l=0; l<file_out[n].axis[i].size; l++) {
+	      file_out[n].axis[i].bnddata[2*l  ] = file_in[0].axis[i].bnddata[2*l];
+	      file_out[n].axis[i].bnddata[2*l+1] = file_in[0].axis[i].bnddata[2*l+1];
+	    }
+	  }
+	  break;	  
+	}
+      }
+      if(mpp_pe() == mpp_root_pe()) {
+	file_out[n].fid = mpp_open(file_out[n].name, MPP_WRITE);
+	mpp_copy_global_att(file_in[0].fid, file_out[n].fid);
+	mpp_def_global_att(file_out[n].fid, "history", history);
+	mpp_def_global_att(file_out[n].fid, "code_version", tagname);
+	/* define dim_bnds if bnds axis exist */
+	for(i=0; i<ndim; i++) {
+	  if(file_out[n].axis[i].bndtype == 2) {
+	    dim_bnds = mpp_def_dim(file_out[n].fid, "bnds", 2);
+	    break;
+	  }
+	}
+	for(i=0; i<ndim; i++) {
+	  if(file_out[n].axis[i].cart=='T') {
+	    file_out[n].axis[i].dimid = mpp_def_dim(file_out[n].fid, file_out[n].axis[i].name, NC_UNLIMITED);
+	    dim_time = file_out[n].axis[i].dimid;
+	  }
+	  else
+	    file_out[n].axis[i].dimid = mpp_def_dim(file_out[n].fid, file_out[n].axis[i].name, file_out[n].axis[i].size);
+	  file_out[n].axis[i].vid = mpp_def_var(file_out[n].fid, file_out[n].axis[i].name, file_out[n].axis[i].type, 1,
+						  &(file_out[n].axis[i].dimid), 0);
+	  mpp_copy_var_att(file_in[0].fid, file_in[0].axis[i].vid, file_out[n].fid, file_out[n].axis[i].vid);
+	  switch( file_out[n].axis[i].bndtype ) {
+	  case 1:
+	    dims[0] = mpp_def_dim(file_out[n].fid, file_out[n].axis[i].bndname, file_out[n].axis[i].size+1);
+	    file_out[n].axis[i].bndid = mpp_def_var(file_out[n].fid, file_out[n].axis[i].bndname, file_out[n].axis[i].type, 1, dims , 0);
+	    mpp_copy_var_att(file_in[0].fid, file_in[0].axis[i].bndid, file_out[n].fid, file_out[n].axis[i].bndid);
+	    break;
+	  case 2:
+	    dims[0] = file_out[n].axis[i].dimid;
+	    dims[1] = dim_bnds;
+	    file_out[n].axis[i].bndid = mpp_def_var(file_out[n].fid, file_out[n].axis[i].bndname, file_out[n].axis[i].type, 2, dims , 0);
+	    mpp_copy_var_att(file_in[0].fid, file_in[0].axis[i].bndid, file_out[n].fid, file_out[n].axis[i].bndid);
+	    break;
+	  }
+	    
+	}
+
+	/* define the field meta data */
+	for(l=0; l<nscalar; l++) {
+	  scalar_out[n].var[l].type = scalar_in[0].var[l].type;
+	  for(i=0; i<scalar_out[n].var[l].ndim; i++) dims[i] = file_out[n].axis[scalar_out[n].var[l].index[i]].dimid;
+	  scalar_out[n].var[l].vid = mpp_def_var(file_out[n].fid, scalar_out[n].var[l].name, scalar_out[n].var[l].type,
+						   scalar_out[n].var[l].ndim, dims, 0); 
+	  mpp_copy_var_att(file_in[0].fid, scalar_in[0].var[l].vid, file_out[n].fid, scalar_out[n].var[l].vid);
+	}
+	for(l=0; l<nvector; l++) {
+	  if(m==0) {
+	    u_out[n].var[l].type = u_in[0].var[l].type;
+	    for(i=0; i<u_out[n].var[l].ndim; i++) dims[i] = file_out[n].axis[u_out[n].var[l].index[i]].dimid;
+	    u_out[n].var[l].vid = mpp_def_var(file_out[n].fid, u_out[n].var[l].name, u_out[n].var[l].type,
+			        		u_out[n].var[l].ndim, dims, 0); 
+	    mpp_copy_var_att(file_in[0].fid, u_in[0].var[l].vid, file_out[n].fid, u_out[n].var[l].vid);
+	  }
+	  if(m==1 || nfiles == 1) {
+	    v_out[n].var[l].type = v_in[0].var[l].type;
+	    for(i=0; i<v_out[n].var[l].ndim; i++) dims[i] = file_out[n].axis[v_out[n].var[l].index[i]].dimid;
+	    v_out[n].var[l].vid = mpp_def_var(file_out[n].fid, v_out[n].var[l].name, v_out[n].var[l].type,
+						v_out[n].var[l].ndim, dims, 0); 
+	    mpp_copy_var_att(file_in[0].fid, v_in[0].var[l].vid, file_out[n].fid, v_out[n].var[l].vid);
+	  }
+	}
+	/* define time avg info variables */
+	if(file_out[n].has_tavg_info) {
+	  int ll;
+	  file_out[n].id_t1 = mpp_def_var(file_out[n].fid, "average_T1", NC_DOUBLE, 1, &dim_time, 0);
+	  mpp_copy_var_att(file_in[0].fid, file_in[0].id_t1, file_out[n].fid, file_out[n].id_t1);
+	  file_out[n].id_t2 = mpp_def_var(file_out[n].fid, "average_T2", NC_DOUBLE, 1, &dim_time, 0);
+	  mpp_copy_var_att(file_in[0].fid, file_in[0].id_t2, file_out[n].fid, file_out[n].id_t2);	  
+	  file_out[n].id_dt = mpp_def_var(file_out[n].fid, "average_DT", NC_DOUBLE, 1, &dim_time, 0);
+	  mpp_copy_var_att(file_in[0].fid, file_in[0].id_dt, file_out[n].fid, file_out[n].id_dt);
+	  file_out[n].t1 = (double *)malloc(file_out[n].nt*sizeof(double));
+	  file_out[n].t2 = (double *)malloc(file_out[n].nt*sizeof(double));
+	  file_out[n].dt = (double *)malloc(file_out[n].nt*sizeof(double));
+	  for(ll=0; ll<file_out[n].nt; ll++) {
+	    file_out[n].t1[ll] = file_in[0].t1[ll];
+	    file_out[n].t2[ll] = file_in[0].t2[ll];
+	    file_out[n].dt[ll] = file_in[0].dt[ll];
+	  }
+	}
+	mpp_end_def(file_out[n].fid);
+	for(i=0; i<ndim; i++) {
+	  if(file_out[n].axis[i].cart == 'T') continue;
+	  mpp_put_var_value(file_out[n].fid, file_out[n].axis[i].vid, file_out[n].axis[i].data);
+	  if(strcmp(file_out[n].axis[i].bndname, "none") )
+	    mpp_put_var_value(file_out[n].fid, file_out[n].axis[i].bndid, file_out[n].axis[i].bnddata);
+	}
+      }
+    }
+  }
+  
+}; /* set_output_metadata */
+
+/*******************************************************************************
+   void get_field_missing( )
+   *******************************************************************************/
+void get_field_missing( int ntiles, Field_config *field)
+{
+  int n, l, nfield;
+  char str[128];
+  
+  nfield = field->nvar;
+
+  for(l=0; l<nfield; l++) {
+    for(n=0; n<ntiles; n++) {
+      field[n].var[l].missing = 0;
+      field[n].var[l].vid = mpp_get_varid(*(field[n].fid), field[n].var[l].name);
+      if( field[n].var[l].has_missing = mpp_var_att_exist(*(field[n].fid), field[n].var[l].vid, "missing_value") ) {
+	mpp_get_var_att(*(field[n].fid), field[n].var[l].vid, "missing_value", (void *)(&(field[n].var[l].missing)));
+	//	  field[n].var[l].missing = atof(str);
+      }
+    }
+  }
+
+}; /* get_field_missing */
+
+
+/*******************************************************************************
+void set_remap_file( )
+*******************************************************************************/
+void set_remap_file( int ntiles, const char *mosaic_file, const char *remap_file, Interp_config *interp,
+		     unsigned int *opcode, int save_weight_only)
+{
+  int    i, len, m, fid, vid;
+  size_t start[4], nread[4];
+  char str1[STRING], tilename[STRING];
+  int file_exist;
+  
+  if(!remap_file) return;
+  
+  for(i=0; i<4; i++) {
+    start[i] = 0; nread[i] = 1;
+  }
+  nread[1] = STRING;
+  
+  len = strlen(remap_file);
+  if(len >= STRING) mpp_error("setoutput_remap_file(fregrid_util): length of remap_file should be less than STRING");  
+  if( strstr(remap_file, ".nc") ) {
+    strncpy(str1, remap_file, len-3);
+    str1[len-3] = 0;
+  }
+  else
+    strcpy(str1, remap_file);
+
+  (*opcode) |= WRITE;
+
+  if(ntiles>1) {
+     fid = mpp_open(mosaic_file, MPP_READ);
+     vid   = mpp_get_varid(fid, "gridtiles");
+  }
+  
+  for(m=0; m<ntiles; m++) {
+    interp[m].file_exist = 0;
+    if(ntiles > 1) {
+      start[0] = m;
+      mpp_get_var_value_block(fid, vid, start, nread, tilename);
+      if(strlen(str1) + strlen(tilename) > STRING -5) mpp_error("set_output_remap_file(fregrid_util): length of str1 + "
+								"length of tilename should be no greater than STRING-5");
+      sprintf(interp[m].remap_file, "%s.%s.nc", str1, tilename);
+    }
+    else
+      sprintf(interp[m].remap_file, "%s.nc", str1);
+    /* check xgrid file to be read (=1) or write ( = 2) */
+    if(!save_weight_only && mpp_file_exist(interp[m].remap_file)) {
+      (*opcode) |= READ;
+      interp[m].file_exist = 1;
+    }
+      
+  }
+
+  if(ntiles>1) mpp_close(fid);
+  
+};/* set_remap_file */
+
+
+/*----------------------------------------------------------------------
+  void write_output_axis_data( )
+  write out time axis data of the output data file
+  --------------------------------------------------------------------*/
+void write_output_time(int ntiles, File_config *file, int level)
+{
+  int         i, n;
+  size_t      start[4], nwrite[4];
+
+  for(i=0; i<4; i++) {
+    start[i] = 0; nwrite[i] = 1;
+  }
+  start[0] = level;   
+  if( mpp_pe() == mpp_root_pe()) {
+    for(n=0; n<ntiles; n++) {
+      for(i=0; i<file[n].ndim; i++) {
+	if(file[n].axis[i].cart == 'T') {
+	  nwrite[1] = 1;
+	  mpp_put_var_value_block(file[n].fid, file[n].axis[i].vid, start,
+				 nwrite, &(file[n].axis[i].data[level]));
+	  if(strcmp(file[n].axis[i].bndname, "none") ) {
+	    nwrite[1] = 2;
+	    mpp_put_var_value_block(file[n].fid, file[n].axis[i].bndid, start,
+				   nwrite, &(file[n].axis[i].bnddata[level*2]));
+	  }
+	}
+      }
+      /* write out time_avg_info if exist */
+      if(file[n].has_tavg_info) {
+	nwrite[1] = 1;
+	mpp_put_var_value_block(file[n].fid, file[n].id_t1, start, nwrite, &(file[n].t1[level]) );
+	mpp_put_var_value_block(file[n].fid, file[n].id_t2, start, nwrite, &(file[n].t2[level]) );
+	mpp_put_var_value_block(file[n].fid, file[n].id_dt, start, nwrite, &(file[n].dt[level]) );
+      }
+    }
+  }
+}; /* write_output_time */
+
+/*---------------------------------------------------------------------------
+  void get_input_data(Mosaic_config *input, int l)
+  get the input data for the number l variable.
+  -------------------------------------------------------------------------*/
+void get_input_data(int ntiles, Field_config *field, Grid_config *grid, Bound_config *bound,
+		    int varid, int level, unsigned int opcode)
+{
+  int         halo, i, j, k, i1, i2, n, memsize, nx, ny, nz, ndim, nbound, l;
+  size_t      start[4], nread[4];
+  double      *data;
+  Data_holder *dHold;
+
+  if(opcode & CONSERVE_ORDER1)
+    halo = 0;
+  else
+    halo = 1;
+  nz = field->var[varid].nz;
+  
+  for(i=0; i<4; i++) {
+    start[i] = 0; nread[i] = 1;
+  }
+  start[0] = level;
+
+  /* first read input data for each tile */
+  for(n=0; n<ntiles; n++) {
+    nx = grid[n].nx;
+    ny = grid[n].ny;
+    memsize = 1;
+    ndim = field[n].var[varid].ndim;
+    nread[ndim-1] = nx;
+    nread[ndim-2] = ny;
+    if(field[n].var[varid].has_zaxis) {
+      start[ndim-3] = field->var[varid].kstart;
+      nread[ndim-3] = nz;
+    }
+    memsize = (nx+2*halo)*(ny+2*halo)*nz;
+	
+    field[n].data = (double *)malloc(memsize*sizeof(double));
+    if(halo ==0) {
+      mpp_get_var_value_block(*(field[n].fid), field[n].var[varid].vid, start, nread, field[n].data);
+    }
+    else {
+      data = (double *)malloc(nx*ny*nz*sizeof(double));
+      mpp_get_var_value_block(*(field[n].fid), field[n].var[varid].vid, start, nread, data);
+      init_halo(field[n].data, nx, ny, nz, 1);
+
+      /* copy the data onto compute domain */
+      for(k=0; k<nz; k++) for(j=0; j<ny; j++) for(i=0; i<nx; i++) {
+	i1 = k*(nx+2*halo)*(ny+2*halo)+(j+halo)*(nx+2*halo)+i+halo;
+	i2 = k*nx*ny+j*nx+i;
+	field[n].data[i1] = data[i2];
+      }
+      free(data);
+    }
+  }  
+
+  /* update halo when halo > 0 */
+  if(halo > 0) {
+    for(n=0; n<ntiles; n++) {
+      nbound = bound[n].nbound;
+      if(nbound > 0) {
+	dHold = (Data_holder *)malloc(nbound*sizeof(Data_holder));
+	for(l=0; l<nbound; l++) {
+	  dHold[l].data = field[bound[n].tile2[l]].data;
+	  dHold[l].nx = grid[bound[n].tile2[l]].nx+2;
+	  dHold[l].ny = grid[bound[n].tile2[l]].ny+2;
+	}
+	update_halo(grid[n].nx+2, grid[n].ny+2, nz, field[n].data, &(bound[n]), dHold );
+	for(l=0; l<nbound; l++) dHold[l].data = NULL;
+	free(dHold);
+      }
+    }
+    /* second order conservative interpolation, gradient need to be calculated */
+    if(opcode & CONSERVE_ORDER2) {
+      for(n=0; n<ntiles; n++) {
+	int is_true = 1;
+	nx = grid[n].nx;
+	ny = grid[n].ny;
+	field[n].grad_x = (double *)malloc(nx*ny*nz*sizeof(double));
+	field[n].grad_y = (double *)malloc(nx*ny*nz*sizeof(double));
+	for(k=0; k<nz; k++) {
+	  grad_c2l(&(grid[n].nx), &(grid[n].ny), field[n].data+k*(nx+2)*(ny+2), grid[n].dx, grid[n].dy, grid[n].area,
+		   grid[n].edge_w, grid[n].edge_e, grid[n].edge_s, grid[n].edge_n,
+		   grid[n].en_n, grid[n].en_e, grid[n].vlon_t, grid[n].vlat_t, 
+		   field[n].grad_x+k*nx*ny, field[n].grad_y+k*nx*ny, &is_true, &is_true, &is_true, &is_true);
+	}
+	/* where there is missing and using second order conservative interpolation, need to calculate mask for gradient */
+	if( field[n].var[varid].has_missing ) {
+	  int ip1, im1, jp1, jm1,kk,ii,jj;
+	  double missing;
+	  missing = field[n].var[varid].missing;
+	  field[n].grad_mask = (int *)malloc(nx*ny*nz*sizeof(int));
+	  for(k=0; k<nz; k++) for(j=0; j<ny; j++) for(i=0; i<nx; i++) {
+	    ii=i+1; ip1 = ii+1; im1 = ii-1; jj = j+1; jp1 = jj+1; jm1 = jj-1;
+	    kk = k*(nx+2)*(ny+2);
+	    if(field[n].data[kk+jm1*(nx+2)+im1] == missing || field[n].data[kk+jm1*(nx+2)+ii ] == missing ||
+	       field[n].data[kk+jm1*(nx+2)+ip1] == missing || field[n].data[kk+jj *(nx+2)+im1] == missing ||
+	       field[n].data[kk+jj *(nx+2)+ip1] == missing || field[n].data[kk+jp1*(nx+2)+im1] == missing ||
+	       field[n].data[kk+jp1*(nx+2)+ii ] == missing || field[n].data[kk+jp1*(nx+2)+ip1] == missing  )
+	      field[n].grad_mask[k*nx*ny+j*nx+i] = 1;
+	    else
+	      field[n].grad_mask[k*nx*ny+j*nx+i] = 0;
+	  }
+	}
+      }
+    }
+  }
+
+
+  
+}; /* get_input_data */
+
+/*---------------------------------------------------------------------------
+  void get_input_data(Mosaic_config *input, int l)
+  get the input data for the number l variable.
+  -------------------------------------------------------------------------*/
+void get_test_input_data(char *test_case, double test_param, int ntiles, Field_config *field,
+			 Grid_config *grid, Bound_config *bound, unsigned int opcode)
+{
+  int         halo, i, j, k, ii, n, nx, ny, l, nbound;
+  double      *data;
+  Data_holder *dHold;
+  char input_file[128];
+  int  fid, vid, dim[2]; 
+  
+  if(opcode & CONSERVE_ORDER1)
+    halo = 0;
+  else
+    halo = 1;
+  
+  for(n=0; n<ntiles; n++) {
+    nx = grid[n].nx;
+    ny = grid[n].ny;
+    field[n].data = (double *)malloc((nx+2*halo)*(ny+2*halo)*sizeof(double));
+    data          = (double *)malloc(nx*ny*sizeof(double));
+    if(!strcmp(test_case,"tanh_cosphi_costheta") ) {
+      for(j=0; j<ny; j++) for(i=0; i<nx; i++) {
+	data[j*ny+i] = tanh(test_param*cos(grid[n].lont[(j+1)*(nx+2)+i+1])*cos(grid[n].latt[(j+1)*(nx+2)+i+1]));
+      }
+    }
+    if(!strcmp(test_case,"tanh_sinphi_sintheta") ) {
+      for(j=0; j<ny; j++) for(i=0; i<nx; i++) {
+	data[j*ny+i] = tanh(test_param*sin(grid[n].lont[(j+1)*(nx+2)+i+1])*sin(grid[n].latt[(j+1)*(nx+2)+i+1]));
+      }
+    }    
+    else if(!strcmp(test_case,"cosphi_costheta") ) {
+      for(j=0; j<ny; j++) for(i=0; i<nx; i++) {
+	data[j*ny+i] = cos(grid[n].lont[(j+1)*(nx+2)+i+1])*cos(grid[n].latt[(j+1)*(nx+2)+i+1]);
+      }
+    }
+    else if(!strcmp(test_case,"sinphi_costheta") ) {
+      for(j=0; j<ny; j++) for(i=0; i<nx; i++) {
+	data[j*ny+i] = sin(grid[n].lont[(j+1)*(nx+2)+i+1])*cos(grid[n].latt[(j+1)*(nx+2)+i+1]);
+      }
+    }
+    else
+      mpp_error("fregrid_util: invalid choice of test_case");
+
+    /* write out input data */
+    sprintf(input_file, "%s.input.tile%d.nc", test_case, n+1);
+    fid = mpp_open(input_file, MPP_WRITE);
+    dim[0] = mpp_def_dim(fid, "grid_y", ny);
+    dim[1] = mpp_def_dim(fid, "grid_x", nx);
+    vid    = mpp_def_var(fid, "data", NC_DOUBLE, 2, dim, 0);
+    mpp_end_def(fid);
+    mpp_put_var_value(fid, vid, data);
+    mpp_close(fid);
+    
+    for(j=0; j<ny; j++) for(i=0; i<nx; i++) {
+      ii = (j+halo)*(nx+2*halo)+i+halo;
+      field[n].data[ii] = data[j*nx+i];
+    }
+    free(data);
+  }
+    
+  /* update halo when halo > 0 */
+  if(halo > 0) {
+    for(n=0; n<ntiles; n++) {
+      nbound = bound[n].nbound;
+      if(nbound > 0) {
+	dHold = (Data_holder *)malloc(nbound*sizeof(Data_holder));
+	for(l=0; l<nbound; l++) {
+	  dHold[l].data = field[bound[n].tile2[l]].data;
+	  dHold[l].nx = grid[bound[n].tile2[l]].nx+2;
+	  dHold[l].ny = grid[bound[n].tile2[l]].ny+2;
+	}
+	update_halo(grid[n].nx+2, grid[n].ny+2, 1, field[n].data, &(bound[n]), dHold );
+	for(l=0; l<nbound; l++) dHold[l].data = NULL;
+	free(dHold);
+      }
+    }
+    /* second order conservative interpolation, gradient need to be calculated */
+    if(opcode & CONSERVE_ORDER2) {
+      for(n=0; n<ntiles; n++) {
+	int is_true = 1;
+	field[n].grad_x = (double *)malloc((grid[n].nx+2)*(grid[n].ny+2)*sizeof(double));
+	field[n].grad_y = (double *)malloc((grid[n].nx+2)*(grid[n].ny+2)*sizeof(double));
+	grad_c2l(&(grid[n].nx), &(grid[n].ny), field[n].data, grid[n].dx, grid[n].dy, grid[n].area,
+		 grid[n].edge_w, grid[n].edge_e, grid[n].edge_s, grid[n].edge_n,
+		 grid[n].en_n, grid[n].en_e, grid[n].vlon_t, grid[n].vlat_t,
+		 field[n].grad_x, field[n].grad_y, &is_true, &is_true, &is_true, &is_true);
+      }
+    }
+  }
+  
+}; /* get_test_input_data */
+
+
+void allocate_field_data(int ntiles, Field_config *field, Grid_config *grid, int l)
+{
+  int n, i;
+  size_t memsize;
+  
+  for(n=0; n<ntiles; n++) {
+    memsize = grid[n].nx*grid[n].ny*field[n].var[l].nz;
+    field[n].data = (double *)malloc(memsize*sizeof(double));
+  }
+
+}; /* allocate_field_data */
+
+
+/*-------------------------------------------------------------------------
+  write_output_data(Mosaic_config *output)
+  write data to output file
+  -----------------------------------------------------------------------*/
+void write_field_data(int ntiles, Field_config *field, Grid_config *grid, int l, int level)
+{
+  double *gdata;
+  int    nx, ny, nz, n, ndim, i, j, k;
+  size_t nwrite[4], start[4];
+
+  nz = field->var[l].nz;
+  for(i=0; i<4; i++) {
+    start[i] = 0; nwrite[i] = 1;
+  }
+  start[0] = level;      
+  for(n=0; n<ntiles; n++) {
+    /* global data onto root pe */
+    nx = grid[n].nx;
+    ny = grid[n].ny;
+    
+    ndim = field[n].var[l].ndim;
+    nwrite[ndim-1] = nx;
+    nwrite[ndim-2] = ny;
+    if(field[n].var[l].has_zaxis) nwrite[ndim-3] = nz;
+    if(mpp_npes() == 1) {
+      mpp_put_var_value_block(*(field[n].fid), field[n].var[l].vid, start, nwrite, field[n].data);
+    }
+    else {
+      gdata = (double *)malloc(nx*ny*nz*sizeof(double));
+      mpp_global_field_double_3D(grid[n].domain, grid[n].nxc, grid[n].nyc, nz,
+				 field[n].data, gdata);
+      /*     for(k=0; k<nz; k++) { */
+      /*      mpp_global_field_double(grid[n].domain, grid[n].nxc, grid[n].nyc, */
+      /* 			      field[n].data+k*grid[n].nxc*grid[n].nyc, gdata+k*nx*ny); */
+      /*    } */
+    
+      if(mpp_pe() == mpp_root_pe())mpp_put_var_value_block(*(field[n].fid), field[n].var[l].vid,
+							   start, nwrite, gdata);
+      free(gdata);
+    }
+  }  
+
+};/* write_output_data */
+
+void get_contact_direction(int ncontact, const int *tile, const int *istart, const int *iend,
+			   const int *jstart, const int *jend, int *dir)
+{
+  int n;
+   
+  for(n=0; n<ncontact; n++) {
+    if(istart[n] == iend[n] && jstart[n] == jend[n])
+      mpp_error("fregrid_util: istart = iend and jstart = jend can not be both true for one contact");
+    if(istart[n] != iend[n] && jstart[n] != jend[n])
+      mpp_error("fregrid_util: either istart = iend or jstart = jend need to be true");
+    if(istart[n] == iend[n]) {
+      if(istart[n] == 0)
+	dir[n] = WEST;
+      else
+	dir[n] = EAST;
+    }
+    else {
+      if(jstart[n] == 0)
+	dir[n] = SOUTH;
+      else
+	dir[n] = NORTH;
+    }
+  }
+
+}
+
+void setup_boundary(const char *mosaic_file, int ntiles, Grid_config *grid, Bound_config *bound, int halo, int position)
+{
+  int ncontacts, shift, n, nbound, l, l2, nb, nx, ny;
+  int *tile, *dir;
+  int *istart, *iend, *jstart, *jend;
+
+  ncontacts = read_mosaic_ncontacts(mosaic_file);
+  if(ncontacts == 0) {
+    for(n=0; n<ntiles; n++) bound[n].nbound = 0;
+    return;
+  }
+
+  if(position == CENTER)
+    shift = 0;
+  else if(position == CORNER)
+    shift = 1;
+  else
+    mpp_error("fregrid_util: position should be CENTER or CORNER");
+  
+  tile   = (int *)malloc(2*ncontacts*sizeof(int));
+  istart = (int *)malloc(2*ncontacts*sizeof(int));
+  iend   = (int *)malloc(2*ncontacts*sizeof(int));
+  jstart = (int *)malloc(2*ncontacts*sizeof(int));
+  jend   = (int *)malloc(2*ncontacts*sizeof(int));
+  dir    = (int *)malloc(2*ncontacts*sizeof(int));
+  read_mosaic_contact(mosaic_file, tile, tile+ncontacts, istart, iend, jstart, jend,
+		      istart+ncontacts, iend+ncontacts, jstart+ncontacts, jend+ncontacts);
+  for(n=0; n<2*ncontacts; n++) --tile[n];
+  get_contact_direction(2*ncontacts, tile, istart, iend, jstart, jend, dir);
+  
+  /* First find number of boundary for each tile */
+  for(n=0; n<ntiles; n++) {
+    nbound = 0;
+    nx = grid[n].nx;
+    ny = grid[n].ny;
+    for(l=0; l<2*ncontacts; l++) {
+      if(tile[l] == n) nbound++;
+    }
+    bound[n].nbound = nbound;
+    if(nbound > 0) {
+      bound[n].is1    = (int *)malloc(nbound*sizeof(int));
+      bound[n].ie1    = (int *)malloc(nbound*sizeof(int));
+      bound[n].js1    = (int *)malloc(nbound*sizeof(int));
+      bound[n].je1    = (int *)malloc(nbound*sizeof(int));
+      bound[n].is2    = (int *)malloc(nbound*sizeof(int));
+      bound[n].ie2    = (int *)malloc(nbound*sizeof(int));
+      bound[n].js2    = (int *)malloc(nbound*sizeof(int));
+      bound[n].je2    = (int *)malloc(nbound*sizeof(int));      
+      bound[n].rotate = (int *)malloc(nbound*sizeof(int));
+      bound[n].tile2  = (int *)malloc(nbound*sizeof(int));
+      nb = 0;
+      for(l=0; l<2*ncontacts; l++) {
+	if(tile[l] != n) continue;
+	switch(dir[l]) {
+	case WEST:
+	  bound[n].is1[nb]  = 0;
+	  bound[n].ie1[nb]  = halo-1;
+	  bound[n].js1[nb]  = min(jstart[l],jend[l])+halo;
+	  bound[n].je1[nb]  = max(jstart[l],jend[l])+halo+shift;
+	  break;
+	case EAST:
+	  bound[n].is1[nb]  = nx+shift+halo;
+	  bound[n].ie1[nb]  = nx+shift+halo+halo-1;
+	  bound[n].js1[nb]  = min(jstart[l],jend[l])+halo;
+	  bound[n].je1[nb]  = max(jstart[l],jend[l])+halo+shift;
+	  break;
+	case SOUTH:
+	  bound[n].is1[nb]  = min(istart[l],iend[l])+halo;
+	  bound[n].ie1[nb]  = max(istart[l],iend[l])+halo+shift;
+	  bound[n].js1[nb]  = 0;
+	  bound[n].je1[nb]  = halo-1;
+	  break;
+	case NORTH:
+	  bound[n].is1[nb]  = min(istart[l],iend[l])+halo;
+	  bound[n].ie1[nb]  = max(istart[l],iend[l])+halo+shift;
+	  bound[n].js1[nb]  = ny+shift+halo;
+	  bound[n].je1[nb]  = ny+shift+halo+halo-1;
+	  break;	    
+	}
+	l2 = (l+ncontacts)%(2*ncontacts);
+	bound[n].tile2[nb] = tile[l2];
+	switch(dir[l2]) {
+	case WEST:
+	  bound[n].is2[nb]  = halo+shift;
+	  bound[n].ie2[nb]  = halo+shift+halo-1;
+	  bound[n].js2[nb]  = min(jstart[l2],jend[l2])+halo;
+	  bound[n].je2[nb]  = max(jstart[l2],jend[l2])+halo+shift;
+	  break;
+	case EAST:
+	  bound[n].is2[nb]  = nx-halo+1;
+	  bound[n].ie2[nb]  = nx;
+	  bound[n].js2[nb]  = min(jstart[l2],jend[l2])+halo;
+	  bound[n].je2[nb]  = max(jstart[l2],jend[l2])+halo+shift;
+	  break;
+	case SOUTH:
+	  bound[n].is2[nb]  = min(istart[l2],iend[l2])+halo;
+	  bound[n].ie2[nb]  = max(istart[l2],iend[l2])+halo+shift;
+	  bound[n].js2[nb]  = halo+shift;
+	  bound[n].je2[nb]  = halo+shift+halo-1;
+	  break;
+	case NORTH:
+	  bound[n].is2[nb]  = min(istart[l2],iend[l2])+halo;
+	  bound[n].ie2[nb]  = max(istart[l2],iend[l2])+halo+shift;
+	  bound[n].js2[nb]  = ny-halo+1;
+	  bound[n].je2[nb]  = ny;
+	  break;	    
+	}
+	bound[n].rotate[nb] = ZERO;
+	if(dir[l] == WEST && dir[l2] == NORTH) bound[n].rotate[nb] = NINETY;
+	if(dir[l] == EAST && dir[l2] == SOUTH) bound[n].rotate[nb]= NINETY;
+	if(dir[l] == SOUTH && dir[l2] == EAST) bound[n].rotate[nb] = MINUS_NINETY;
+	if(dir[l] == NORTH && dir[l2] == WEST) bound[n].rotate[nb] = MINUS_NINETY;      
+	if(dir[l] == NORTH && dir[l2] == NORTH) bound[n].rotate[nb] = ONE_HUNDRED_EIGHTY;
+	/* make sure the size match at the boundary */
+	if( (bound[n].ie2[nb]-bound[n].is2[nb]+1)*(bound[n].je2[nb]-bound[n].js2[nb]+1) !=
+	    (bound[n].ie1[nb]-bound[n].is1[nb]+1)*(bound[n].je1[nb]-bound[n].js1[nb]+1) )
+	  mpp_error("fregrid_util: size mismatch between the boundary");
+	nb++;
+      }      
+    }
+  }
+}; /* setup_boundary */
+
+void delete_bound_memory(int ntiles, Bound_config *bound)
+{
+  int n;
+  
+  for(n=0; n<ntiles; n++) {
+    if(bound[n].nbound > 0) {
+      free(bound[n].is1);
+      free(bound[n].ie1);
+      free(bound[n].js1);
+      free(bound[n].je1);
+      free(bound[n].is2);
+      free(bound[n].ie2);
+      free(bound[n].js2);
+      free(bound[n].je2);
+      free(bound[n].tile2);
+      free(bound[n].rotate);
+    }
+  }
+}
+  
+
+/*-----------------------------------------------------------------------------
+  void init_halo(double *var, int nx, int ny, int nz, int halo)
+  initialze the halo data to be zero.
+  ---------------------------------------------------------------------------*/
+void init_halo(double *var, int nx, int ny, int nz, int halo)
+{
+  int i, j, k;
+  int nxd, nyd, nall;
+
+  nxd = nx+2*halo;
+  nyd = ny+2*halo;
+  nall = nxd*nyd;
+  
+  for(k=0; k<nz; k++) {
+    for(j=0; j<nyd; j++) for(i=0; i<halo; i++) var[k*nall+j*nxd+i] = 0; /* west halo */
+    for(j=0; j<nyd; j++) for(i=nx+halo; i<nxd; i++) var[k*nall+j*nxd+i] = 0; /* east halo */
+    for(j=0; j<halo; j++) for(i=0; i<nxd; i++) var[k*nall+j*nxd+i] = 0; /* south halo */
+    for(j=ny+halo; j<nyd; j++) for(i=0; i<nxd; i++) var[k*nall+j*nxd+i] = 0; /* north halo */
+  }
+
+};/* init_halo */
+
+ 
+void update_halo(int nx, int ny, int nz, double *data, Bound_config *bound, Data_holder *dHold)
+{
+  int nbound, n, i, j, k, l, size1, size2, nx2, ny2;
+  int is1, ie1, js1, je1, is2, ie2, js2, je2, bufsize;
+  double *buffer;
+  
+  nbound = bound->nbound;
+  size1  = nx*ny;
+
+  for(n=0; n<nbound; n++) {
+    is1 = bound->is1[n];
+    ie1 = bound->ie1[n];
+    js1 = bound->js1[n];
+    je1 = bound->je1[n];
+    is2 = bound->is2[n];
+    ie2 = bound->ie2[n];
+    js2 = bound->js2[n];
+    je2 = bound->je2[n];
+    nx2 = dHold[n].nx;
+    ny2 = dHold[n].ny;
+    size2 = nx2*ny2;
+    bufsize = nz*(ie2-is2+1)*(je2-js2+1);
+    buffer = (double *)malloc(bufsize*sizeof(double));
+    /* fill the buffer */
+    l = 0;
+    switch(bound->rotate[n]) {
+    case ZERO:
+      for(k=0; k<nz; k++) for(j=js2; j<=je2; j++) for(i=is2; i<=ie2; i++) buffer[l++] = dHold[n].data[k*size2+j*nx2+i];
+      break;
+    case NINETY:
+      for(k=0; k<nz; k++) for(i=ie2; i>=is2; i--) for(j=js2; j<=je2; j++) buffer[l++] = dHold[n].data[k*size2+j*nx2+i];
+      break;
+    case MINUS_NINETY:
+      for(k=0; k<nz; k++) for(i=is2; i<=ie2; i++) for(j=je2; j>=js2; j--) buffer[l++] = dHold[n].data[k*size2+j*nx2+i];
+      break;
+    case ONE_HUNDRED_EIGHTY:
+      for(k=0; k<nz; k++) for(j=je2; j>=js2; j--) for(i=ie2; i>=is2; i--) buffer[l++] = dHold[n].data[k*size2+j*nx2+i];
+      break;
+    }
+    l = 0;
+    for(k=0; k<nz; k++) for(j=js1; j<=je1; j++) for(i=is1; i<=ie1; i++) data[k*size1+j*nx+i] = buffer[l++];
+    free(buffer);
+  }  
+
+}
+ 
diff --git a/gridspec_tools_20080702/tools/fregrid/fregrid_util.h b/gridspec_tools_20080702/tools/fregrid/fregrid_util.h
new file mode 100644
index 0000000..12b390e
--- /dev/null
+++ b/gridspec_tools_20080702/tools/fregrid/fregrid_util.h
@@ -0,0 +1,28 @@
+#ifndef FREGRID_UTIL_H_
+#define FREGRID_UTIL_H_
+#include "globals.h"
+void set_mosaic_data_file(int ntiles, const char *mosaic_file, const char *dir, File_config *file,
+			  const char *filename);
+void set_field_struct(int ntiles, Field_config *field, int nvar, char * varname, File_config *file);
+void get_input_grid(int ntiles, Grid_config *grid, Bound_config *bound, const char *mosaic_file, unsigned int opcode);
+void get_output_grid_from_mosaic(int ntiles, Grid_config *grid, const char *mosaic_file, unsigned int opcode);
+void get_output_grid_by_size(int ntiles, Grid_config *grid, double lonbegin, double lonend, double latbegin, double latend, 
+                             int nlon, int nlat, int finer_steps, int center_y, unsigned int opcode);
+void get_input_metadata(int ntiles, int nfiles, File_config *file1, File_config *file2,
+		        Field_config *scalar, Field_config *u_comp, Field_config *v_comp,
+			const Grid_config *grid, int kbegin, int kend, int lbegin, int lend);
+void set_output_metadata (int ntiles_in, int nfiles, const File_config *file1_in, const File_config *file2_in,
+			  const Field_config *scalar_in, const Field_config *u_in, const Field_config *v_in,
+			  int ntiles_out, File_config *file1_out, File_config *file2_out, Field_config *scalar_out,
+			  Field_config *u_out, Field_config *v_out, const Grid_config *grid_out, const char *history, const char *tagname);
+void get_field_missing( int ntiles, Field_config *field);
+void set_remap_file( int ntiles, const char *mosaic_file, const char *remap_file, Interp_config *interp, unsigned int *opcode, int save_weight_only);
+void write_output_time(int ntiles, File_config *output, int level);
+void get_input_data(int ntiles, Field_config *field, Grid_config *grid, Bound_config *bound, 
+                    int l, int level, unsigned int opcode);
+void get_test_input_data(char *test_case, double test_param, int ntiles, Field_config *field,
+			 Grid_config *grid, Bound_config *bound, unsigned int opcode);
+void allocate_field_data(int ntiles, Field_config *field, Grid_config *grid, int l);
+void write_field_data(int ntiles, Field_config *output, Grid_config *grid, int l, int level);
+
+#endif
diff --git a/gridspec_tools_20080702/tools/fregrid/globals.h b/gridspec_tools_20080702/tools/fregrid/globals.h
new file mode 100644
index 0000000..f58f54f
--- /dev/null
+++ b/gridspec_tools_20080702/tools/fregrid/globals.h
@@ -0,0 +1,166 @@
+#ifndef GLOBALS_H_
+#define GLOBALS_H_
+#include "constant.h"
+#include "mpp_domain.h"
+
+#define MAXATT   4096
+#define MAXSTRING 10240
+#define MAXENTRY  512
+#define NVAR     2048
+#define NFILE    32
+#define MAXDIM   10
+/* constants for grid type and grid location */
+#define ZERO   0
+#define NINETY 1
+#define MINUS_NINETY -1
+#define ONE_HUNDRED_EIGHTY 2
+#define CENTER 3
+#define CORNER 4
+#define EAST   4
+#define NORTH  5
+#define WEST   6
+#define SOUTH  7
+
+
+
+/* constants for option */
+#define CONSERVE_ORDER1 1
+#define CONSERVE_ORDER2 2
+#define BILINEAR        4
+#define VECTOR          8
+#define TARGET          16
+#define SYMMETRY        32
+#define AGRID           64
+#define BGRID           128
+#define READ            256
+#define WRITE           512
+#define CHECK_CONSERVE  1024
+
+typedef struct {
+  char   name[STRING];   /* variable name */
+  int    vid;
+  int    type;
+  int    ndim;
+  int    index[4];
+  int    nz;
+  int    kstart;
+  int    kend;
+  int    lstart;
+  int    lend;
+  int    has_zaxis;
+  int    has_taxis;
+  double missing;
+  int    has_missing;
+} Var_config;
+
+typedef struct {
+  char       *file;
+  int        *fid;
+  int         nvar;
+  double     *data;   /* array to store one variable data */
+  double     *grad_x; /* array to store one variable data gradient in x-direction */
+  double     *grad_y; /* array to store one variable data gradient in y-direction */
+  int        *grad_mask; /* array to store the mask for gradient */
+  Var_config *var;
+} Field_config;
+
+typedef struct {
+  char name[STRING];
+  char bndname[STRING];
+  int  dimid;
+  int  vid;
+  int  bndid;
+  int  size;
+  int  type;
+  char cart; 
+  int  bndtype;
+  double *bnddata;
+  double *data; 
+} Axis_config;
+
+typedef struct {
+  int  nt;
+  char name[STRING];
+  int fid;
+  int ndim;
+  Axis_config  *axis;
+  int has_tavg_info;
+  int id_t1, id_t2, id_dt;
+  double *t1, *t2, *dt;
+} File_config;
+
+typedef struct {
+  size_t nxgrid;
+  int *i_in;
+  int *j_in;
+  int *i_out;
+  int *j_out;
+  int *t_in;
+  double *di_in;
+  double *dj_in;
+  double *area;
+  double *weight;
+  int    *index;
+  char   remap_file[STRING];
+  int    file_exist;
+} Interp_config;
+
+
+typedef struct {
+  int halo;
+  int nx;
+  int ny;
+  int nx_fine;
+  int ny_fine;
+  int isc;
+  int iec;
+  int jsc;
+  int jec;
+  int nxc;
+  int nyc;
+  double *lonc;
+  double *latc;
+  double *lont;
+  double *latt;
+  double *xt;
+  double *yt;
+  double *xc;
+  double *yc;
+  double *zt;
+  double *dx;
+  double *dy;
+  double *area;
+  double *lonc1D;
+  double *latc1D;
+  double *lont1D;
+  double *latt1D;
+  double *latt1D_fine;
+  double *en_e;
+  double *en_n;
+  double *edge_w;
+  double *edge_e;
+  double *edge_s;
+  double *edge_n;
+  double *vlon_t;
+  double *vlat_t;
+  double *cosrot;
+  double *sinrot;
+  int    rotate;
+  domain2D domain;
+} Grid_config;
+
+typedef struct{
+  int nbound;
+  int *tile2;
+  int *is1, *ie1, *js1, *je1;
+  int *is2, *ie2, *js2, *je2;
+  int *rotate;
+} Bound_config;
+
+typedef struct{
+  double *data;
+  int nx;
+  int ny;
+} Data_holder;
+
+#endif
diff --git a/gridspec_tools_20080702/tools/fregrid/gs_fregrid.c b/gridspec_tools_20080702/tools/fregrid/gs_fregrid.c
new file mode 100644
index 0000000..ba34f74
--- /dev/null
+++ b/gridspec_tools_20080702/tools/fregrid/gs_fregrid.c
@@ -0,0 +1,416 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <getopt.h>
+#include <math.h>
+#include "globals.h"
+#include "constant.h"
+#include "read_mosaic.h"
+#include "mpp_io.h"
+#include "conserve_interp.h"
+#include "bilinear_interp.h"
+#include "fregrid_util.h"
+
+char *usage[] = {
+   "",
+   "  fregrid --input_mosaic input_mosaic --input_file input_file                         ",
+   "          [--scalar_field scalar_fld] [--u_field u_fld]  [--v_field v_fld]            ",
+   "          [--output_mosaic output_mosaic] [--lonBegin #decimal] [--lonEnd #decimal]   ",
+   "          [--latBegin #decimal] [--latEnd #decimal] [--nlon #integer]                 ",
+   "          [--nlat #integer] [--KlevelBegin #integer] [--KlevelEnd #integer]           ",
+   "          [--LstepBegin #integer] [--LstepEnd #integer]                               ",
+   "          [--output_file output_file] [--input_dir input_dir]                         ",
+   "          [--output_dir output_dir] [--remap_file remap_file]                         ",
+   "          [--interp_method method] [--grid_type grid_type] [--test_case test_case]    ",
+   "          [--symmetry] [--target_grid] [--finer_step #] [--fill_missing]              ",
+   "          [--center_y] [--check_conserve]                                             ",
+   "fregrid remap data (scalar or vector) from input_mosaic onto output_mosaic (The       ",
+   "target grid also could be specified through lonBegin, lonEnd, latBegin, latEnd, nlon  ",
+   "and nlat). Currently only T-cell scalar regridding and AGRID vector regridding (only  ",
+   "bilinear interpolation is implemented for cubic grid vector interpolation). The       ",
+   "interpolation algorithm used is controlled by --interp_method with default            ",
+   "'conserve_order1'. Currently only 'conserve_order1', 'conserve_order2' and 'bilinear' ",
+   "remapping scheme are implemented. 'bilinear' is only used to remap data from cubic    ",
+   "grid to latlon grid. We will add more scheme in the future if needed. fregrid expects ",
+   "NetCDF format input. scalar_field and/or u_field/v_field must be specified. u_fld and ",
+   "v_fld must be paired together.    ",
+   "                                                                                      ",
+   "fregrid takes the following flags:                                                    ",
+   "                                                                                      ",
+   "REQUIRED:                                                                             ",
+   "                                                                                      ",
+   "--input_mosaic  input_mosaic  specify the input mosaic information. This file         ",
+   "                              contains list of tile files which specify the grid      ",
+   "                              information for each tile.                              ",
+   "                                                                                      ",
+   "OPTIONAL FLAGS                                                                        ",
+   "                                                                                      ",  
+   "--input_file    input_file    specify the input file name. The suffix '.nc' can be    ",
+   "                              omitted. The suffix 'tile#' should not present for      ",
+   "                              multiple-tile files. The number of files must be 1 for  ",
+   "                              scalar regridding and can be 1 or 2 for vector          ",
+   "                              regridding. File path should not be includes.           ",
+   "                                                                                      ",
+   "--scalar_field    scalar_fld  specify the scalar field name to be regridded. The      ",
+   "                              multiple entry field names are seperated by comma.      ",
+   "                                                                                      ",    
+   "--u_field         u_fld       specify the vector field u-componentname to be          ",
+   "                              regridded. The multiple entry field names are seperated ",
+   "                              by comma. u_field must be paired together with v_field. ",
+   "                                                                                      ",    
+   "--v_field         v_fld       specify the vector field v-componentname to be          ",
+   "                              regridded. The multiple entry field names are seperated ",
+   "                              by comma. v_field must be paired together with u_field. ",
+   "                                                                                      ",  
+   "--output_mosaic output_mosaic specify the output mosaic information. This file        ",
+   "                              contains list of tile files which specify the grid      ",
+   "                              information for each tile. If output_mosaic is not      ",
+   "                              specified, nlon and nlat must be specified.             ",
+   "                                                                                      ",
+   "--lonBegin  #decimal          specify the starting longitude(in degree) of the        ",
+   "                              geographical region of the target grid on which the     ",
+   "                              output is desired. The default value is 0.              ",
+   "                                                                                      ",
+   "--lonEnd   #decimal           specify the ending longitude(in degree) of the          ",
+   "                              geographical region of the target grid on which the     ",
+   "                              output is desired. The default value is 360.            ",
+   "                                                                                      ",
+   "--latBegin  #decimal          specify the starting latitude(in degree) of the         ",
+   "                              geographical region of the target grid on which the     ",
+   "                              output is desired. The default value is -90.            ",
+   "                                                                                      ",
+   "--latEnd   #decimal           specify the ending latitude(in degree) of the           ",
+   "                              geographical region of the target grid on which the     ",
+   "                              output is desired. The default value is 90.             ",  
+   "                                                                                      ",
+   "--nlon #integer               specify number of grid box cells in x-direction for a   ",
+   "                              regular lat-lon grid.                                   ",
+   "                                                                                      ",
+   "--nlat #integer               specify number of grid box cells in y-direction for a   ",
+   "                              regular lat-lon grid.                                   ",
+   "                                                                                      ",  
+   "--KlevelBegin #integer        specify begin index of the k-level (depth axis) that    ",
+   "                              to be regridded.                                        ",
+   "                                                                                      ",
+   "--KlevelEnd #integer          specify end index of the k-level (depth axis) that      ",
+   "                              to be regridded.                                        ",  
+   "                                                                                      ",
+   "--LstepBegin #integer         specify the begin index of L-step (time axis) that      ",
+   "                              to be regridded.                                        ",
+   "                                                                                      ",
+   "--LstepEnd #integer           specify the end index of L-step (time axis) that        ",
+   "                              to be regridded.                                        ",  
+   "                                                                                      ",  
+   "--output_file   output_file   specify the output file name. If not presented,         ",
+   "                              output_file will take the value of input_file. The      ",
+   "                              suffix '.nc' can be omitted. The suffix 'tile#' should  ",
+   "                              not present for multiple-tile files. The number of      ",
+   "                              files must be 1 for scalar regridding and can be 1 or 2 ",
+   "                              for vector regridding. File path should not be includes.",  
+   "                                                                                      ",
+   "--input_dir     input_dir     specify the path that stores input_file. If not         ",
+   "                              presented, the input file is assumed to be stored in    ",
+   "                              current diretory.                                       ",
+   "                                                                                      ",
+   "--output_dir   output_dir     specify the path that will store output file. If not    ",
+   "                              presented, the output file will be stored in current    ",
+   "                              diretory.                                               ",
+   "                                                                                      ",
+   "--remap_file   remap_file     specify the file name that saves remapping information. ",
+   "                              If remap_file is specified and the file does not exist, ",
+   "                              remapping information will be calculated ans stored in  ",
+   "                              remap_file. If remap_file is specified and the file     ",
+   "                              exists, remapping information will be read from         ",
+   "                              remap_file.                                             ",
+   "                                                                                      ",
+   "--interp_method interp_method specify the remapping algorithm to be used. Default is  ",
+   "                              'conserve_order1'. Currently only 'conserve_order1',    ",
+   "                              'conserve_order2' and 'bilinear' remapping scheme are   ",
+   "                              implemented in this tool. The bilinear scheme can only  ",
+   "                              be used to remap data from cubic grid to regular latlon ",
+   "                              grid. When interp_method is 'bilinear', nlon and nlat   ",
+   "                              must be specified and the output data in y-direction    ",
+   "                              will be located at the center of cell or bound of the   ",
+   "                              cell depending on the setting of y_center.              ",
+   "                                                                                      ",
+   "--test_case test_case         specify the test function to be used for testing.       ",
+   "                                                                                      ",
+   "--grid_type     grid_type     specify the vector field grid location. default is      ",
+   "                              AGRID and only AGRID is implemented yet.                ",
+   "                                                                                      ",
+   "--symmetry                    indicate the grid is symmetry or not.                   ",
+   "                                                                                      ",
+   "--target_grid                 use input cell area instead of calculating based on     ",
+   "                              exchange grid area. default is off.                     ",
+   "                                                                                      ",
+   "---finer_step #integer        This is used only for bilinear interpolation. Set       ",
+   "                              finer_step to a positive integer to reduce noise in     ",
+   "                              interpolation and get a relatively smooth output. The   ",
+   "                              default value is 0. When finer_step is greater than 0,  ",
+   "                              fregrid will first remap data from source grid onto a   ",
+   "                              finer grid with resolution that is power of 2 of        ",
+   "                              destination grid resolution using bilinear              ",
+   "                              interpolation, then using volume averaging to remap     ",
+   "                              data from finer grid onto destination grid.             ",
+   "                                                                                      ",
+   "--center_y                    output latitude will locate at cell center, i.e., the   ",
+   "                              starting latitude will be -89 when nlat = 90. when      ",
+   "                              center_y is not set, starting latitude will be -90. for ",
+   "                              bilinear interpolation. For conservative interpolation, ",
+   "                              center_y is assumed.                                    ",
+   "                                                                                      ",
+   "--check_conserve              check the conservation of conservative interpolation.   ",
+   "                              The area sum will be printed out for input and output   ",
+   "                              mosaic.                                                 ",
+   "                                                                                      ",
+   "  fregrid --input_mosaic input_mosaic.nc --output_mosaic output_mosaic.nc             ",
+   "          --input_dir input_dir --input_file input_file --scalar_field temp,salt      ",
+   "                                                                                      ",
+   NULL};
+
+const double D2R = M_PI/180.;
+char tagname[] = "$Name:  $";
+
+int main(int argc, char* argv[])
+{
+   unsigned int opcode = 0;
+   char    *mosaic_in=NULL;            /* input mosaic file name */
+   char    *mosaic_out=NULL;           /* input mosaic file name */
+   char    *dir_in=NULL;               /* input file location */
+   char    *dir_out=NULL;              /* output file location */
+   int     ntiles_in = 0;              /* number of tiles in input mosaic */
+   int     ntiles_out = 0;             /* number of tiles in output mosaic */
+   int     nfiles     = 0;              /* number of input file */
+   int     nfiles_out = 0;             /* number of output file */
+   char    input_file [NFILE][STRING];
+   char    output_file[NFILE][STRING];
+   char    scalar_name[NVAR] [STRING];
+   char    u_name     [NVAR] [STRING];
+   char    v_name     [NVAR] [STRING];
+   char    *test_case = NULL;
+   double  test_param = 1;
+   int     check_conserve = 0; /* 0 means no check */
+   double  lonbegin = 0, lonend = 360;
+   double  latbegin = -90, latend = 90;			  
+   int     nlon = 0, nlat = 0;
+   int     kbegin = 0, kend = -1; 
+   int     lbegin = 0, lend = -1;
+   char    *remap_file = NULL;
+   char    interp_method[STRING] = "conserve_order1";
+   int     y_at_center = 0;
+   int     grid_type = AGRID;
+   int     nscalar=0, nvector=0, nvector2;
+   int     option_index, c, i, n, m, l;
+   char    entry[MAXSTRING];  /* should be long enough */
+   char    txt[STRING];
+   char    history[MAXATT];
+   int     fill_missing = 0;
+   unsigned int  finer_step = 0;
+
+   Grid_config   *grid_in    = NULL;   /* store input grid  */
+   Grid_config   *grid_out   = NULL;   /* store output grid */
+   Field_config  *scalar_in  = NULL;   /* store input scalar data */
+   Field_config  *scalar_out = NULL;   /* store output scalar data */
+   Field_config  *u_in       = NULL;   /* store input vector u-component */
+   Field_config  *v_in       = NULL;   /* store input vector v-component */
+   Field_config  *u_out      = NULL;   /* store input vector u-component */
+   Field_config  *v_out      = NULL;   /* store input vector v-component */
+   File_config   *file_in    = NULL;   /* store input file information */
+   File_config   *file_out   = NULL;   /* store output file information */
+   File_config   *file2_in   = NULL;   /* store input file information */
+   File_config   *file2_out  = NULL;   /* store output file information */
+   Bound_config  *bound_T    = NULL;   /* store halo update information for T-cell*/
+   Interp_config *interp     = NULL;   /* store remapping information */
+   int save_weight_only      = 0;
+  
+   int errflg = (argc == 1);
+   int fid;
+   int ret;
+  
+   static struct option long_options[] = {
+      {"input_mosaic",     required_argument, NULL, 'a'},
+      {"output_mosaic",    required_argument, NULL, 'b'},
+      {"input_dir",        required_argument, NULL, 'c'},
+      {"output_dir",       required_argument, NULL, 'd'},
+      {"input_file",       required_argument, NULL, 'e'},
+      {"output_file",      required_argument, NULL, 'f'},
+      {"remap_file",       required_argument, NULL, 'g'},
+      {"test_case",        required_argument, NULL, 'i'},
+      {"interp_method",    required_argument, NULL, 'j'},
+      {"test_parameter",   required_argument, NULL, 'k'},
+      {"symmetry",         no_argument,       NULL, 'l'},
+      {"grid_type",        required_argument, NULL, 'm'},
+      {"target_grid",      no_argument,       NULL, 'n'},
+      {"finer_step",       required_argument, NULL, 'o'},
+      {"fill_missing",     no_argument,       NULL, 'p'},
+      {"nlon",             required_argument, NULL, 'q'},
+      {"nlat",             required_argument, NULL, 'r'},
+      {"scalar_field",     required_argument, NULL, 's'},
+      {"check_conserve",   no_argument,       NULL, 't'},
+      {"u_field",          required_argument, NULL, 'u'},
+      {"v_field",          required_argument, NULL, 'v'},
+      {"center_y",         no_argument,       NULL, 'y'},
+      {"lonBegin",         required_argument, NULL, 'A'},
+      {"lonEnd",           required_argument, NULL, 'B'},
+      {"latBegin",         required_argument, NULL, 'C'},
+      {"latEnd",           required_argument, NULL, 'D'},
+      {"KlevelBegin",      required_argument, NULL, 'E'},
+      {"KlevelEnd",        required_argument, NULL, 'F'},
+      {"LstepBegin",       required_argument, NULL, 'G'},
+      {"LstepEnd",         required_argument, NULL, 'H'},
+      {"help",             no_argument,       NULL, 'h'},
+      {0, 0, 0, 0},
+   };  
+  
+   /* start parallel */
+   mpp_init(&argc, &argv);
+   mpp_domain_init();
+  
+   while ((c = getopt_long(argc, argv, "", long_options, &option_index)) != -1) {
+      switch (c) {
+	 case 'a':
+	    mosaic_in  = optarg;
+	    break;
+	 case 'b':
+	    mosaic_out = optarg;
+	    break;
+	 case 'c':
+	    dir_in = optarg;
+	    break;
+	 case 'd':
+	    dir_out = optarg;
+	    break;
+	 case 'e':
+	    if(strlen(optarg) >= MAXSTRING) mpp_error("fregrid: the entry is not long for option -e");
+	    strcpy(entry, optarg);
+	    tokenize(entry, ",", STRING, NFILE, input_file, &nfiles);
+	    break;
+	 case 'f':
+	    if(strlen(optarg) >= MAXSTRING)  mpp_error("fregrid: the entry is not long for option -f");      
+	    strcpy(entry, optarg);
+	    tokenize(entry, ",", STRING, NFILE, output_file, &nfiles_out);
+	    break;
+	 case 'g':
+	    remap_file = optarg;
+	    break;
+	 case 's':
+	    if(strlen(optarg) >= MAXSTRING) mpp_error("fregrid: the entry is not long for option -s");      
+	    strcpy(entry, optarg);
+	    tokenize(entry, ",", STRING, NVAR, scalar_name, &nscalar);
+	    break;
+	 case 'u':
+	    if(strlen(optarg) >= MAXSTRING) mpp_error("fregrid: the entry is not long for option -u");      
+	    strcpy(entry, optarg);
+	    tokenize(entry, ",", STRING, NVAR, u_name, &nvector);
+	    break;        
+	 case 'v':
+	    if(strlen(optarg) >= MAXSTRING) mpp_error("fregrid: the entry is not long for option -v");      
+	    strcpy(entry, optarg);
+	    tokenize(entry, ",", STRING, NVAR, v_name, &nvector2);
+	    break;      
+	 case 'j':
+	    strcpy(interp_method, optarg);
+	    break;
+	 case 'i':
+	    test_case = optarg;
+	    break;
+	 case 'k':
+	    test_param = atof(optarg);
+	    break;      
+	 case 'l':
+	    opcode |= SYMMETRY;
+	    break;
+	 case 'm':
+	    if(strcmp(optarg, "AGRID") == 0)
+	       grid_type = AGRID;
+	    else if(strcmp(optarg, "BGRID") == 0)
+	       grid_type = BGRID;
+	    else
+	       mpp_error("fregrid: only AGRID and BGRID vector regridding are implmented, contact developer");
+	    break;
+	 case 'n':
+	    opcode |= TARGET;
+	    break;
+	 case 'o':
+	    finer_step = atoi(optarg);
+	    break;
+	 case 'p':
+	    fill_missing = 1;
+	    break;
+	 case 'q':
+	    nlon = atoi(optarg);
+	    break;
+	 case 'r':
+	    nlat = atoi(optarg);
+	    break;
+	 case 't':
+	    check_conserve = 1;
+	    break;
+	 case 'y':
+	    y_at_center = 1;
+	    break;
+	 case 'A':
+	    lonbegin = atof(optarg);
+	    break;
+	 case 'B':
+	    lonend = atof(optarg);
+	    break;
+	 case 'C':
+	    latbegin = atof(optarg);
+	    break;
+	 case 'D':
+	    latend = atof(optarg);
+	    break;
+	 case 'E':
+	    kbegin = atoi(optarg);
+	    break;
+	 case 'F':
+	    kend = atoi(optarg);
+	    break;
+	 case 'G':
+	    lbegin = atoi(optarg);
+	    break;
+	 case 'H':
+	    lend = atoi(optarg);
+	    break;
+	 case '?':
+	    errflg++;
+	    break;
+      }
+   }
+
+   if (errflg) {
+      char **u = usage;
+      while (*u) { fprintf(stderr, "%s\n", *u); u++; }
+      exit(2);
+   }      
+
+   /* define history to be the history in the grid file */
+   strcpy(history,argv[0]);
+   for(i=1;i<argc;i++) {
+      strcat(history, " ");
+      if(strlen(argv[i]) > MAXENTRY) { /* limit the size of each entry, here we are assume the only entry that is longer than
+					  MAXENTRY= 256 is the option --scalar_field --u_field and v_field */
+	 if(strcmp(argv[i-1], "--scalar_field") && strcmp(argv[i-1], "--u_field") && strcmp(argv[i-1], "--v_field") )
+	    mpp_error("fregrid: the entry ( is not scalar_field, u_field, v_field ) is too long, need to increase parameter MAXENTRY");
+	 strcat(history, "(**please see the field list in this file**)" );
+      }
+      else
+	 strcat(history, argv[i]);
+   }
+  
+
+   if ((ret = gs_fregrid(history, mosaic_in, mosaic_out, dir_in, 
+                         dir_out, input_file, nfiles, output_file, nfiles_out, 
+                         remap_file, scalar_name, nscalar, u_name, nvector, 
+                         v_name, nvector2, interp_method, test_case, test_param, 
+                         opcode, grid_type, finer_step, fill_missing, nlon, nlat, check_conserve, 
+                         y_at_center, lonbegin, lonend, latbegin, latend, 
+                         lbegin, kend, lbegin, lend)))
+      return ret;
+      
+   mpp_end();
+   return 0;
+  
+} /* end of main */
+  
diff --git a/gridspec_tools_20080702/tools/make_coupler_mosaic/Makefile.am b/gridspec_tools_20080702/tools/make_coupler_mosaic/Makefile.am
new file mode 100644
index 0000000..6b4d280
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_coupler_mosaic/Makefile.am
@@ -0,0 +1,41 @@
+## This is an automake file, part of Unidata's NetCDF CF Library
+## package. Copyright 2009, see the COPYRIGHT file for more
+## information.
+
+# This automake file is in charge of building the gridspec
+# make_coupler_mosaic tool.
+
+# $Id: Makefile.am,v 1.2 2009/04/07 15:14:47 ed Exp $
+
+bin_PROGRAMS = make_coupler_mosaic gs_make_coupler_mosaic
+make_coupler_mosaic_SOURCES = make_coupler_mosaic.c
+gs_make_coupler_mosaic_SOURCES = gs_make_coupler_mosaic.c
+
+# Initalize these.
+AM_CPPFLAGS = -I../shared -I../../shared/mosaic
+AM_LDFLAGS = -L../shared -L../../shared/mosaic
+
+# If the user specified a root location for NETCDF, use it.
+if USE_NETCDF_DIR
+AM_CPPFLAGS += -I at NETCDFDIR@/include
+AM_FCFLAGS = -I at NETCDFDIR@/include
+AM_LDFLAGS += -L at NETCDFDIR@/lib
+endif
+
+# If the user specified a root location for HDF5, use it.
+if USE_HDF5_DIR
+AM_CPPFLAGS += -I at HDF5DIR@/include
+AM_LDFLAGS += -L at HDF5DIR@/lib
+endif
+
+# We need the netCDF library, of course!
+LDADD = -ltoolsshared -lshared -lnetcdf
+
+# If the user is building with netCDF-4, we also have to link to the
+# HDF5 high-level library, and the HDF5 library, and the zlib
+# compression library.
+if USE_NETCDF4
+LDADD += -lhdf5_hl -lhdf5 -lz
+endif # USE_NETCDF4
+
+
diff --git a/gridspec_tools_20080702/tools/make_coupler_mosaic/Makefile.in b/gridspec_tools_20080702/tools/make_coupler_mosaic/Makefile.in
new file mode 100644
index 0000000..507aaa0
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_coupler_mosaic/Makefile.in
@@ -0,0 +1,527 @@
+# Makefile.in generated by automake 1.10.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+ at SET_MAKE@
+
+# This automake file is in charge of building the gridspec
+# make_coupler_mosaic tool.
+
+# $Id: Makefile.am,v 1.2 2009/04/07 15:14:47 ed Exp $
+
+VPATH = @srcdir@
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+PRE_UNINSTALL = :
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+build_triplet = @build@
+host_triplet = @host@
+bin_PROGRAMS = make_coupler_mosaic$(EXEEXT) \
+	gs_make_coupler_mosaic$(EXEEXT)
+
+# If the user specified a root location for NETCDF, use it.
+ at USE_NETCDF_DIR_TRUE@am__append_1 = -I at NETCDFDIR@/include
+ at USE_NETCDF_DIR_TRUE@am__append_2 = -L at NETCDFDIR@/lib
+
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+ at USE_NETCDF4_TRUE@am__append_5 = -lhdf5_hl -lhdf5 -lz
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+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+make_coupler_mosaic_SOURCES = make_coupler_mosaic.c
+gs_make_coupler_mosaic_SOURCES = gs_make_coupler_mosaic.c
+
+# Initalize these.
+AM_CPPFLAGS = -I../shared -I../../shared/mosaic $(am__append_1) \
+	$(am__append_3)
+AM_LDFLAGS = -L../shared -L../../shared/mosaic $(am__append_2) \
+	$(am__append_4)
+ at USE_NETCDF_DIR_TRUE@AM_FCFLAGS = -I at NETCDFDIR@/include
+
+# We need the netCDF library, of course!
+LDADD = -ltoolsshared -lshared -lnetcdf $(am__append_5)
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
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+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
+		&& exit 0; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign  gridspec_tools_20080702/tools/make_coupler_mosaic/Makefile'; \
+	cd $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign  gridspec_tools_20080702/tools/make_coupler_mosaic/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
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+	     || test -f $$p1 \
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+	    f=`echo "$$p1" | sed 's,^.*/,,;$(transform);s/$$/$(EXEEXT)/'`; \
+	   echo " $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(binPROGRAMS_INSTALL) '$$p' '$(DESTDIR)$(bindir)/$$f'"; \
+	   $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(binPROGRAMS_INSTALL) "$$p" "$(DESTDIR)$(bindir)/$$f" || exit 1; \
+	  else :; fi; \
+	done
+
+uninstall-binPROGRAMS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(bin_PROGRAMS)'; for p in $$list; do \
+	  f=`echo "$$p" | sed 's,^.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/'`; \
+	  echo " rm -f '$(DESTDIR)$(bindir)/$$f'"; \
+	  rm -f "$(DESTDIR)$(bindir)/$$f"; \
+	done
+
+clean-binPROGRAMS:
+	@list='$(bin_PROGRAMS)'; for p in $$list; do \
+	  f=`echo $$p|sed 's/$(EXEEXT)$$//'`; \
+	  echo " rm -f $$p $$f"; \
+	  rm -f $$p $$f ; \
+	done
+gs_make_coupler_mosaic$(EXEEXT): $(gs_make_coupler_mosaic_OBJECTS) $(gs_make_coupler_mosaic_DEPENDENCIES) 
+	@rm -f gs_make_coupler_mosaic$(EXEEXT)
+	$(LINK) $(gs_make_coupler_mosaic_OBJECTS) $(gs_make_coupler_mosaic_LDADD) $(LIBS)
+make_coupler_mosaic$(EXEEXT): $(make_coupler_mosaic_OBJECTS) $(make_coupler_mosaic_DEPENDENCIES) 
+	@rm -f make_coupler_mosaic$(EXEEXT)
+	$(LINK) $(make_coupler_mosaic_OBJECTS) $(make_coupler_mosaic_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+ at AMDEP_TRUE@@am__include@ @am__quote at ./$(DEPDIR)/gs_make_coupler_mosaic.Po at am__quote@
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+
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+	mkid -fID $$unique
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+	fi
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+	here=`$(am__cd) $(top_builddir) && pwd` \
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+	    cp -pR $$d/$$file $(distdir)$$dir || exit 1; \
+	  else \
+	    test -f $(distdir)/$$file \
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+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
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+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
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diff --git a/gridspec_tools_20080702/tools/make_coupler_mosaic/gs_make_coupler_mosaic.c b/gridspec_tools_20080702/tools/make_coupler_mosaic/gs_make_coupler_mosaic.c
new file mode 100644
index 0000000..60f1a88
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_coupler_mosaic/gs_make_coupler_mosaic.c
@@ -0,0 +1,218 @@
+/*
+ * Modify land grid to match ocean grid at coast and calculate atmos/land,
+ * atmos/ocean, and land/ocean overlaps using the Sutherland-Hodgeman polygon
+ * clipping algorithm (Sutherland, I. E. and G. W. Hodgeman, 1974:  Reentrant
+ * polygon clipping, CACM, 17(1), 32-42).
+ *  Warning, when the atmos grid is cubic grid, the number of model points should be
+ *  even to avoid tiling error. I will come back to solve this issue in the future.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <getopt.h>
+#include <string.h>
+#include <math.h>
+#include "constant.h"
+#include "mpp.h"
+#include "mpp_io.h"
+#include "tool_util.h"
+#include "mpp_domain.h"
+#include "mosaic_util.h"
+#include "create_xgrid.h"
+
+
+char *usage[] = {
+   "",
+   "  make_coupler_mosaic --atmos_mosaic atmos_mosaic.nc --ocean_mosaic ocean_mosaic.nc ",
+   "              --ocean_topog ocean_topog.nc [--land_mosaic land_mosaic.nc] ",
+   "              [--sea_level #]  [--interp_method #] [--mosaic_name mosaic_name] ",
+   "              [--check ]                                                       ",
+   " ",
+   "make_coupler_mosaic generates three exchange grids for the FMS coupler. The output ",
+   "file includes exchange grid files for fluxes between atmosphere and surface (sea ice ",
+   "and land), exchange grid files for runoff between land and sea ice. There might be more ",
+   "than one exchange grid files between two model solo mosaic because there might be ",
+   "multiple tiles in a solo mosaic. All the exchange grid information are between model ",
+   "grid, not between supergrid. We assume the refinement ratio between model grid and ",
+   "supergrid is 2. Currently we only output the exchange grid on T-cell. ",
+   "Besides generate the exchange grid files, make_coupler_mosaic also generate the ",
+   "coupler mosaic file (the file name will be mosaic_name.nc) which contains the atmos, ",
+   "land and ocean mosaic path, ocean mosaic topog path and exchange grid file path. ",
+   "make_coupler_mosaic expects NetCDF format input.",
+   " ",
+   "make_coupler_mosaic takes the following flags:",
+   "",
+   "REQUIRED:",
+   "",
+   "--atmos_mosaic atmos_mosaic.nc specify the atmosphere mosaic information. This file",
+   "                               contains list of tile files which specify the grid ",
+   "                               information for each tile. Each grid is required to be ",
+   "                               regular lon/lat grid. The file name can not be 'mosaic.nc' ",
+   "",
+   "--ocean_mosaic ocean_mosaic.nc specify the ocean mosaic information. This file",
+   "                               contains list of tile files which specify the grid ",
+   "                               information for each tile. The file name can not be 'mosaic.nc' ",
+   " ",
+   "--ocean_topog ocean_topog.nc   specify the topography information for ocean mosaic.",
+   "                               The field name of the topography is depth_tile# or depth when ",
+   "                               ntiles = 1, The topography data is positive down.",
+   " ",
+   "OPTIONAL FLAGS",
+   "",
+   "--land_mosaic land_mosaic.nc   specify the land mosaic information. This file",
+   "                               contains list of tile files which specify the grid ",
+   "                               information for each tile. Each grid is required to be ",
+   "                               regular lon/lat grid. When land_mosaic is not specified,",
+   "                               atmosphere mosaic will be used to specify land mosaic.",
+   "                               The file name can not be 'mosaic.nc'.",
+   " ",
+   "--interp_order #               specify the order of conservative interplation. Its value "
+   "                               can be 1 ( linear order ) or 2 ( second order ) with default "
+   "                               value 2.                                                     "
+   "                                                                                            "
+   "--sea_level #                  specify the sea level ( in meters ) and its value will be used",
+   "                               to determine land/sea mask. When topography of  ",
+   "                               a grid cell is less than sea level, this grid cell will be land,",
+   "                               otherwise it will be ocean. Default value is 0",
+   " ",
+   "--mosaic_name mosaic_name      coupler mosaic name. The output coupler mosaic file will be ",
+   "                               mosaic_name.nc. default value is 'mosaic'. ",
+   " ",  
+   "--check                        check the tiling error",
+   "", 
+   "A sample call to make_coupler_mosaic that makes exchange grids for atmosphere, land and ocean ",
+   "mosaic (atmosphere and land are coincident) is: ",
+   "",
+   "  make_coupler_mosaic --atmos_mosaic atmos_mosaic.nc --ocean_mosaic ocean_mosaic.nc ",
+   "                  --ocean_topog ocean_topog.nc",
+   "",
+   NULL };
+
+#define D2R (M_PI/180.)
+#define MAXXGRIDFILE 100 
+#define MX 2000  
+#define AREA_RATIO_THRESH (1.e-6)
+#define TINY_VALUE (1.e-7)
+#define TOLORENCE (1.e-4)
+
+char grid_version[] = "0.2";
+char tagname[] = "$Name:  $";
+
+int main (int argc, char *argv[])
+{
+   int c, i, same_mosaic;
+   extern char *optarg;
+   char *omosaic  = NULL;
+   char *amosaic  = NULL;
+   char *lmosaic  = NULL;
+   char *otopog   = NULL;
+   char mosaic_name[STRING] = "mosaic", mosaic_file[STRING];
+   char omosaic_name[STRING], amosaic_name[STRING], lmosaic_name[STRING];
+   char **otile_name=NULL, **atile_name=NULL, **ltile_name=NULL;
+   int x_refine = 2, y_refine = 2;
+   int  interp_order = 2;
+   int check = 0;
+   int errflg = (argc == 1);
+   char history[512];
+   int nfile_lxo=0, nfile_axo=0, nfile_axl=0;
+   char lxo_file[MAXXGRIDFILE][STRING];
+   char axo_file[MAXXGRIDFILE][STRING];
+   char axl_file[MAXXGRIDFILE][STRING];  
+   char amosaic_dir[STRING], amosaic_file[STRING];
+   char lmosaic_dir[STRING], lmosaic_file[STRING];
+   char omosaic_dir[STRING], omosaic_file[STRING];
+   char otopog_dir[STRING], otopog_file[STRING];
+   int    ntile_ocn, ntile_atm, ntile_lnd;
+   int    *nxo = NULL, *nyo = NULL, *nxa = NULL, *nya = NULL, *nxl = NULL, *nyl = NULL;
+   double **xocn = NULL, **yocn = NULL, **xatm = NULL, **yatm = NULL, **xlnd = NULL, **ylnd = NULL;
+   double **area_ocn = NULL, **area_lnd = NULL, **area_atm = NULL;
+   double **omask = NULL;
+   double sea_level = 0.;
+   int    lnd_same_as_atm = 0;
+   int    option_index = 0;
+   double axo_area_sum = 0, axl_area_sum = 0;
+   int    ocn_south_ext = 0;
+   int ret;
+    
+   static struct option long_options[] = {
+      {"atmos_mosaic",       required_argument, NULL, 'a'},
+      {"land_mosaic",        required_argument, NULL, 'l'},
+      {"ocean_mosaic",       required_argument, NULL, 'o'},
+      {"ocean_topog",        required_argument, NULL, 't'},
+      {"sea_level",          required_argument, NULL, 's'},
+      {"interp_order",       required_argument, NULL, 'i'},
+      {"mosaic_name",        required_argument, NULL, 'm'},
+      {"check",              no_argument,       NULL, 'n'},
+      {NULL, 0, NULL, 0}
+   };
+
+   mpp_init(&argc, &argv);
+   mpp_domain_init();
+  
+   /*
+    * process command line
+    */
+
+   while ((c = getopt_long(argc, argv, "i:", long_options, &option_index) ) != -1)
+      switch (c) {
+	 case 'a': 
+	    amosaic = optarg;
+	    break;
+	 case 'l': 
+	    lmosaic = optarg;
+	    break;
+	 case 'o':
+	    omosaic = optarg;
+	    break;
+	 case 't':
+	    otopog = optarg;
+	    break;
+	 case 'i':
+	    interp_order = atoi(optarg);
+	    break;
+	 case 's':
+	    sea_level = atof(optarg);
+	    break;
+	 case 'm':
+	    strcpy(mosaic_name,optarg);
+	    break;
+	 case 'n':
+	    check = 1;
+	    break;
+	 case '?':
+	    errflg++;
+      }
+
+   if (errflg || !amosaic || !omosaic || !otopog) {
+      char **u = usage;
+      while (*u) { fprintf(stderr, "%s\n", *u); u++; }
+      exit(2);
+   }
+
+   /* interp_order should be 1 or 2 */
+   if(interp_order != 1 && interp_order !=2 )mpp_error("make_coupler_mosaic: interp_order should be 1 or 2");
+  
+   strcpy(history,argv[0]);
+
+   for(i=1;i<argc;i++) {
+      strcat(history, " ");
+      strcat(history, argv[i]);
+   }
+
+   /*if lmosaic is not specifiied, assign amosaic value to it */
+   if(!lmosaic) lmosaic = amosaic;
+  
+   if ((ret = gs_make_coupler_mosaic(history, amosaic, lmosaic, omosaic, otopog, 
+                                     interp_order, sea_level, mosaic_name, check)))
+      return ret;
+
+   if(mpp_pe() == mpp_root_pe())
+      printf("\n***** Congratulation! You have successfully run make_coupler_mosaic\n");
+   mpp_end();
+
+   return 0;
+  
+} /* main */
+
+
diff --git a/gridspec_tools_20080702/tools/make_coupler_mosaic/make_coupler_mosaic.c b/gridspec_tools_20080702/tools/make_coupler_mosaic/make_coupler_mosaic.c
new file mode 100644
index 0000000..493d85a
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_coupler_mosaic/make_coupler_mosaic.c
@@ -0,0 +1,2005 @@
+/*
+ * Modify land grid to match ocean grid at coast and calculate atmos/land,
+ * atmos/ocean, and land/ocean overlaps using the Sutherland-Hodgeman polygon
+ * clipping algorithm (Sutherland, I. E. and G. W. Hodgeman, 1974:  Reentrant
+ * polygon clipping, CACM, 17(1), 32-42).
+ *  Warning, when the atmos grid is cubic grid, the number of model points should be
+ *  even to avoid tiling error. I will come back to solve this issue in the future.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <getopt.h>
+#include <string.h>
+#include <math.h>
+#include "constant.h"
+#include "mpp.h"
+#include "mpp_io.h"
+#include "tool_util.h"
+#include "mpp_domain.h"
+#include "mosaic_util.h"
+#include "create_xgrid.h"
+
+
+char *usage[] = {
+  "",
+  "  make_coupler_mosaic --atmos_mosaic atmos_mosaic.nc --ocean_mosaic ocean_mosaic.nc ",
+  "              --ocean_topog ocean_topog.nc [--land_mosaic land_mosaic.nc] ",
+  "              [--sea_level #]  [--interp_method #] [--mosaic_name mosaic_name] ",
+  "              [--check ]                                                       ",
+  " ",
+  "make_coupler_mosaic generates three exchange grids for the FMS coupler. The output ",
+  "file includes exchange grid files for fluxes between atmosphere and surface (sea ice ",
+  "and land), exchange grid files for runoff between land and sea ice. There might be more ",
+  "than one exchange grid files between two model solo mosaic because there might be ",
+  "multiple tiles in a solo mosaic. All the exchange grid information are between model ",
+  "grid, not between supergrid. We assume the refinement ratio between model grid and ",
+  "supergrid is 2. Currently we only output the exchange grid on T-cell. ",
+  "Besides generate the exchange grid files, make_coupler_mosaic also generate the ",
+  "coupler mosaic file (the file name will be mosaic_name.nc) which contains the atmos, ",
+  "land and ocean mosaic path, ocean mosaic topog path and exchange grid file path. ",
+  "make_coupler_mosaic expects NetCDF format input.",
+  " ",
+  "make_coupler_mosaic takes the following flags:",
+  "",
+  "REQUIRED:",
+  "",
+  "--atmos_mosaic atmos_mosaic.nc specify the atmosphere mosaic information. This file",
+  "                               contains list of tile files which specify the grid ",
+  "                               information for each tile. Each grid is required to be ",
+  "                               regular lon/lat grid. The file name can not be 'mosaic.nc' ",
+  "",
+  "--ocean_mosaic ocean_mosaic.nc specify the ocean mosaic information. This file",
+  "                               contains list of tile files which specify the grid ",
+  "                               information for each tile. The file name can not be 'mosaic.nc' ",
+  " ",
+  "--ocean_topog ocean_topog.nc   specify the topography information for ocean mosaic.",
+  "                               The field name of the topography is depth_tile# or depth when ",
+  "                               ntiles = 1, The topography data is positive down.",
+  " ",
+  "OPTIONAL FLAGS",
+  "",
+  "--land_mosaic land_mosaic.nc   specify the land mosaic information. This file",
+  "                               contains list of tile files which specify the grid ",
+  "                               information for each tile. Each grid is required to be ",
+  "                               regular lon/lat grid. When land_mosaic is not specified,",
+  "                               atmosphere mosaic will be used to specify land mosaic.",
+  "                               The file name can not be 'mosaic.nc'.",
+  " ",
+  "--interp_order #               specify the order of conservative interplation. Its value "
+  "                               can be 1 ( linear order ) or 2 ( second order ) with default "
+  "                               value 2.                                                     "
+  "                                                                                            "
+  "--sea_level #                  specify the sea level ( in meters ) and its value will be used",
+  "                               to determine land/sea mask. When topography of  ",
+  "                               a grid cell is less than sea level, this grid cell will be land,",
+  "                               otherwise it will be ocean. Default value is 0",
+  " ",
+  "--mosaic_name mosaic_name      coupler mosaic name. The output coupler mosaic file will be ",
+  "                               mosaic_name.nc. default value is 'mosaic'. ",
+  " ",  
+  "--check                        check the tiling error",
+    "", 
+  "A sample call to make_coupler_mosaic that makes exchange grids for atmosphere, land and ocean ",
+  "mosaic (atmosphere and land are coincident) is: ",
+  "",
+  "  make_coupler_mosaic --atmos_mosaic atmos_mosaic.nc --ocean_mosaic ocean_mosaic.nc ",
+  "                  --ocean_topog ocean_topog.nc",
+  "",
+  NULL };
+
+#define D2R (M_PI/180.)
+#define MAXXGRIDFILE 100 
+#define MX 2000  
+#define AREA_RATIO_THRESH (1.e-6)
+#define TINY_VALUE (1.e-7)
+#define TOLORENCE (1.e-4)
+
+char grid_version[] = "0.2";
+char tagname[] = "$Name:  $";
+
+/* This file will get the directory that stores the file and the file name (without the dir path) */
+void get_file_dir_and_name(char *file, char *filedir, char *filename)
+{
+  char *fptr=NULL;
+  int siz;
+  
+  fptr = strrchr(file, '/');
+
+    if(!fptr) {
+      strcpy(filename, file);
+      strcpy(filedir, "./");
+    }
+    else {
+      ++fptr;
+      siz = fptr - file;
+      strcpy(filename, fptr);
+      strncpy(filedir, file, siz);      
+    }
+};
+
+
+int main (int argc, char *argv[])
+{
+  int c, i, same_mosaic;
+  extern char *optarg;
+  char *omosaic  = NULL;
+  char *amosaic  = NULL;
+  char *lmosaic  = NULL;
+  char *otopog   = NULL;
+  char mosaic_name[STRING] = "mosaic", mosaic_file[STRING];
+  char omosaic_name[STRING], amosaic_name[STRING], lmosaic_name[STRING];
+  char **otile_name=NULL, **atile_name=NULL, **ltile_name=NULL;
+  int x_refine = 2, y_refine = 2;
+  int  interp_order = 2;
+  int check = 0;
+  int errflg = (argc == 1);
+  char history[512];
+  int nfile_lxo=0, nfile_axo=0, nfile_axl=0;
+  char lxo_file[MAXXGRIDFILE][STRING];
+  char axo_file[MAXXGRIDFILE][STRING];
+  char axl_file[MAXXGRIDFILE][STRING];  
+  char amosaic_dir[STRING], amosaic_file[STRING];
+  char lmosaic_dir[STRING], lmosaic_file[STRING];
+  char omosaic_dir[STRING], omosaic_file[STRING];
+  char otopog_dir[STRING], otopog_file[STRING];
+  int    ntile_ocn, ntile_atm, ntile_lnd;
+  int    *nxo = NULL, *nyo = NULL, *nxa = NULL, *nya = NULL, *nxl = NULL, *nyl = NULL;
+  double **xocn = NULL, **yocn = NULL, **xatm = NULL, **yatm = NULL, **xlnd = NULL, **ylnd = NULL;
+  double **area_ocn = NULL, **area_lnd = NULL, **area_atm = NULL;
+  double **omask = NULL;
+  double sea_level = 0.;
+  int    lnd_same_as_atm = 0;
+  int    option_index = 0;
+  double axo_area_sum = 0, axl_area_sum = 0;
+  int    ocn_south_ext = 0;
+    
+  static struct option long_options[] = {
+    {"atmos_mosaic",       required_argument, NULL, 'a'},
+    {"land_mosaic",        required_argument, NULL, 'l'},
+    {"ocean_mosaic",       required_argument, NULL, 'o'},
+    {"ocean_topog",        required_argument, NULL, 't'},
+    {"sea_level",          required_argument, NULL, 's'},
+    {"interp_order",       required_argument, NULL, 'i'},
+    {"mosaic_name",        required_argument, NULL, 'm'},
+    {"check",              no_argument,       NULL, 'n'},
+    {NULL, 0, NULL, 0}
+  };
+
+  mpp_init(&argc, &argv);
+  mpp_domain_init();
+  
+  /*
+   * process command line
+   */
+
+  while ((c = getopt_long(argc, argv, "i:", long_options, &option_index) ) != -1)
+    switch (c) {
+    case 'a': 
+      amosaic = optarg;
+      break;
+    case 'l': 
+      lmosaic = optarg;
+      break;
+    case 'o':
+      omosaic = optarg;
+      break;
+    case 't':
+      otopog = optarg;
+      break;
+    case 'i':
+      interp_order = atoi(optarg);
+      break;
+    case 's':
+      sea_level = atof(optarg);
+      break;
+    case 'm':
+      strcpy(mosaic_name,optarg);
+      break;
+    case 'n':
+      check = 1;
+      break;
+    case '?':
+      errflg++;
+    }
+  if (errflg || !amosaic || !omosaic || !otopog) {
+    char **u = usage;
+    while (*u) { fprintf(stderr, "%s\n", *u); u++; }
+    exit(2);
+  }
+
+  /* interp_order should be 1 or 2 */
+  if(interp_order != 1 && interp_order !=2 )mpp_error("make_coupler_mosaic: interp_order should be 1 or 2");
+  
+  strcpy(history,argv[0]);
+
+  for(i=1;i<argc;i++) {
+    strcat(history, " ");
+    strcat(history, argv[i]);
+  }
+
+  /*if lmosaic is not specifiied, assign amosaic value to it */
+  if(!lmosaic) lmosaic = amosaic;
+  
+  /*mosaic_file can not have the same name as amosaic, lmosaic or omosaic, also the file name of
+    amosaic, lmosaic, omosaic can not be "mosaic.nc"
+  */
+  sprintf(mosaic_file, "%s.nc", mosaic_name);
+  get_file_dir_and_name(amosaic, amosaic_dir, amosaic_file);
+  get_file_dir_and_name(lmosaic, lmosaic_dir, lmosaic_file);
+  get_file_dir_and_name(omosaic, omosaic_dir, omosaic_file);
+  get_file_dir_and_name(otopog, otopog_dir, otopog_file);
+  if( !strcmp(mosaic_file, amosaic_file) || !strcmp(mosaic_file, lmosaic_file) || !strcmp(mosaic_file, omosaic_file) ) 
+    mpp_error("make_coupler_mosaic: mosaic_file can not have the same name as amosaic, lmosaic or omosaic"); 
+  if( !strcmp(amosaic_file, "mosaic.nc") || !strcmp(lmosaic_file, "mosaic.nc") || !strcmp(omosaic_file, "mosaic.nc") ) 
+    mpp_error("make_coupler_mosaic: the file name of amosaic, lmosaic or omosaic can not be mosaic.nc"); 
+
+  
+  /*
+   * Read atmosphere grid
+   */
+  {
+    int n, m_fid, g_fid, vid, gid, tid;
+    size_t start[4], nread[4];
+    char dir[STRING], filename[STRING], file[2*STRING];    
+
+    for(n=0; n<4; n++) {
+      start[n] = 0;
+      nread[n] = 1;
+    }
+
+    m_fid = mpp_open(amosaic, MPP_READ);
+    vid = mpp_get_varid(m_fid, "mosaic");    
+    mpp_get_var_value(m_fid, vid, amosaic_name);
+    ntile_atm  = mpp_get_dimlen(m_fid, "ntiles");
+    nxa        = (int *) malloc (ntile_atm*sizeof(int));
+    nya        = (int *) malloc (ntile_atm*sizeof(int));
+    xatm       = (double **) malloc( ntile_atm*sizeof(double *));
+    yatm       = (double **) malloc( ntile_atm*sizeof(double *));
+    area_atm   = (double **) malloc( ntile_atm*sizeof(double *));
+    atile_name = (char **)malloc(ntile_atm*sizeof(char *));
+    /* grid should be located in the same directory of mosaic file */
+    get_file_path(amosaic, dir);
+    gid = mpp_get_varid(m_fid, "gridfiles");
+    tid = mpp_get_varid(m_fid, "gridtiles");
+    for(n=0; n<ntile_atm; n++) {
+      double *tmpx, *tmpy;
+      int i, j;
+      
+      start[0] = n; start[1] = 0; nread[0] = 1; nread[1] = STRING;
+      mpp_get_var_value_block(m_fid, gid, start, nread, filename);
+      atile_name[n] = (char *)malloc(STRING*sizeof(char));
+      mpp_get_var_value_block(m_fid, tid, start, nread,  atile_name[n]);
+      sprintf(file, "%s/%s", dir, filename);
+      g_fid = mpp_open(file, MPP_READ);
+      nxa[n] = mpp_get_dimlen(g_fid, "nx");
+      nya[n] = mpp_get_dimlen(g_fid, "ny");
+      if(nxa[n]%x_refine != 0 ) mpp_error("make_coupler_mosaic: atmos supergrid x-size can not be divided by x_refine");
+      if(nya[n]%y_refine != 0 ) mpp_error("make_coupler_mosaic: atmos supergrid y-size can not be divided by y_refine");
+      nxa[n] /= x_refine;
+      nya[n] /= y_refine;
+      xatm[n]     = (double *)malloc((nxa[n]+1)*(nya[n]+1)*sizeof(double));
+      yatm[n]     = (double *)malloc((nxa[n]+1)*(nya[n]+1)*sizeof(double));
+      area_atm[n] = (double *)malloc((nxa[n]  )*(nya[n]  )*sizeof(double));
+      tmpx        = (double *)malloc((nxa[n]*x_refine+1)*(nya[n]*y_refine+1)*sizeof(double));
+      tmpy        = (double *)malloc((nxa[n]*x_refine+1)*(nya[n]*y_refine+1)*sizeof(double));
+      vid = mpp_get_varid(g_fid, "x");
+      mpp_get_var_value(g_fid, vid, tmpx);
+      vid = mpp_get_varid(g_fid, "y");
+      mpp_get_var_value(g_fid, vid, tmpy);      
+      for(j = 0; j < nya[n]+1; j++) for(i = 0; i < nxa[n]+1; i++) {
+	xatm[n][j*(nxa[n]+1)+i] = tmpx[(j*y_refine)*(nxa[n]*x_refine+1)+i*x_refine];
+	yatm[n][j*(nxa[n]+1)+i] = tmpy[(j*y_refine)*(nxa[n]*x_refine+1)+i*x_refine];
+      }
+      free(tmpx);
+      free(tmpy);      
+      /*scale grid from degree to radian, because create_xgrid assume the grid is in radians */
+      for(i=0; i<(nxa[n]+1)*(nya[n]+1); i++) {
+	xatm[n][i] *= D2R;
+	yatm[n][i] *= D2R;
+      }
+      get_grid_area(nxa+n, nya+n, xatm[n], yatm[n], area_atm[n]);
+      mpp_close(g_fid);
+    }
+    mpp_close(m_fid);
+  }
+
+  /*
+   * Read land grid
+   */
+  if (strcmp(lmosaic, amosaic) ) { /* land mosaic is different from atmosphere mosaic */
+    int n, m_fid, g_fid, vid, gid, tid;
+    size_t start[4], nread[4];
+    char dir[STRING], filename[STRING], file[2*STRING];   
+
+    for(n=0; n<4; n++) {
+      start[n] = 0;
+      nread[n] = 1;
+    }
+    m_fid = mpp_open(lmosaic, MPP_READ);
+    vid = mpp_get_varid(m_fid, "mosaic");    
+    mpp_get_var_value(m_fid, vid, lmosaic_name);
+    ntile_lnd  = mpp_get_dimlen(m_fid, "ntiles");
+    nxl        = (int *) malloc (ntile_lnd*sizeof(int));
+    nyl        = (int *) malloc (ntile_lnd*sizeof(int));
+    xlnd       = (double **) malloc( ntile_lnd*sizeof(double *));
+    ylnd       = (double **) malloc( ntile_lnd*sizeof(double *));
+    area_lnd   = (double **) malloc( ntile_lnd*sizeof(double *));
+    ltile_name = (char **)malloc(ntile_lnd*sizeof(char *));
+    /* grid should be located in the same directory of mosaic file */
+    get_file_path(lmosaic, dir);
+    gid = mpp_get_varid(m_fid, "gridfiles");
+    tid = mpp_get_varid(m_fid, "gridtiles");    
+    for(n=0; n<ntile_lnd; n++) {
+      double *tmpx, *tmpy;
+      int i, j;
+      
+      start[0] = n; start[1] = 0; nread[0] = 1; nread[1] = STRING;
+      mpp_get_var_value_block(m_fid, gid, start, nread, filename);
+      ltile_name[n] = (char *)malloc(STRING*sizeof(char));
+      mpp_get_var_value_block(m_fid, tid, start, nread,  ltile_name[n]);
+      sprintf(file, "%s/%s", dir, filename);
+      g_fid = mpp_open(file, MPP_READ);
+      nxl[n] = mpp_get_dimlen(g_fid, "nx");
+      nyl[n] = mpp_get_dimlen(g_fid, "ny");
+      if(nxl[n]%x_refine != 0 ) mpp_error("make_coupler_mosaic: land supergrid x-size can not be divided by x_refine");
+      if(nyl[n]%y_refine != 0 ) mpp_error("make_coupler_mosaic: land supergrid y-size can not be divided by y_refine");
+      nxl[n]      /= x_refine;
+      nyl[n]      /= y_refine;
+      xlnd[n]     = (double *)malloc((nxl[n]+1)*(nyl[n]+1)*sizeof(double));
+      ylnd[n]     = (double *)malloc((nxl[n]+1)*(nyl[n]+1)*sizeof(double));
+      area_lnd[n] = (double *)malloc((nxl[n]  )*(nyl[n]  )*sizeof(double));
+      tmpx        = (double *)malloc((nxl[n]*x_refine+1)*(nyl[n]*y_refine+1)*sizeof(double));
+      tmpy        = (double *)malloc((nxl[n]*x_refine+1)*(nyl[n]*y_refine+1)*sizeof(double));
+      vid = mpp_get_varid(g_fid, "x");
+      mpp_get_var_value(g_fid, vid, tmpx);
+      vid = mpp_get_varid(g_fid, "y");
+      mpp_get_var_value(g_fid, vid, tmpy);     
+      for(j = 0; j < nyl[n]+1; j++) for(i = 0; i < nxl[n]+1; i++) {
+	xlnd[n][j*(nxl[n]+1)+i] = tmpx[(j*y_refine)*(nxl[n]*x_refine+1)+i*x_refine];
+	ylnd[n][j*(nxl[n]+1)+i] = tmpy[(j*y_refine)*(nxl[n]*x_refine+1)+i*x_refine];
+      }
+      free(tmpx);
+      free(tmpy);
+      /*scale grid from degree to radian, because create_xgrid assume the grid is in radians */
+      for(i=0; i<(nxl[n]+1)*(nyl[n]+1); i++) {
+	xlnd[n][i] *= D2R;
+	ylnd[n][i] *= D2R;
+      }
+      get_grid_area(nxl+n, nyl+n, xlnd[n], ylnd[n], area_lnd[n]);
+      mpp_close(g_fid);
+    }
+    mpp_close(m_fid);
+  }
+  else { /* land mosaic is same as atmosphere mosaic */
+    ntile_lnd = ntile_atm;
+    nxl = nxa;
+    nyl = nya;
+    xlnd = xatm;
+    ylnd = yatm;
+    area_lnd = area_atm;
+    lnd_same_as_atm = 1;
+    strcpy(lmosaic_name, amosaic_name);
+    ltile_name = atile_name;
+  }
+
+  /*
+   * Read ocean grid boundaries and mask (where water is) for each tile within the mosaic.
+   */
+  {
+    int n, ntiles, m_fid, g_fid, t_fid, vid, gid, tid;
+    size_t start[4], nread[4];
+    char dir[STRING], filename[STRING], file[2*STRING];
+    
+    for(n=0; n<4; n++) {
+      start[n] = 0;
+      nread[n] = 1;
+    }
+    m_fid = mpp_open(omosaic, MPP_READ);
+    vid = mpp_get_varid(m_fid, "mosaic");    
+    mpp_get_var_value(m_fid, vid, omosaic_name);
+    ntile_ocn  = mpp_get_dimlen(m_fid, "ntiles");
+    nxo      = (int     *) malloc(ntile_ocn*sizeof(int));
+    nyo      = (int     *) malloc(ntile_ocn*sizeof(int));
+    xocn     = (double **) malloc(ntile_ocn*sizeof(double *));
+    yocn     = (double **) malloc(ntile_ocn*sizeof(double *));
+    area_ocn = (double **) malloc(ntile_ocn*sizeof(double *));
+    otile_name = (char **) malloc(ntile_ocn*sizeof(char *));
+    /* grid should be located in the same directory of mosaic file */
+    get_file_path(omosaic, dir);
+    gid = mpp_get_varid(m_fid, "gridfiles");
+    tid = mpp_get_varid(m_fid, "gridtiles");    
+
+    /* For the purpose of reproducing between processor count, the layout
+       is set to (1, npes). */
+
+    for(n=0; n<ntile_ocn; n++) {
+      double *tmpx, *tmpy;
+      int i, j;
+      double min_atm_lat, min_lat;
+      
+      start[0] = n; start[1] = 0; nread[0] = 1; nread[1] = STRING;
+      mpp_get_var_value_block(m_fid, gid, start, nread, filename);
+      otile_name[n] = (char *)malloc(STRING*sizeof(char));
+      mpp_get_var_value_block(m_fid, tid, start, nread,  otile_name[n]);
+      sprintf(file, "%s/%s", dir, filename);
+      g_fid = mpp_open(file, MPP_READ);
+      nxo[n] = mpp_get_dimlen(g_fid, "nx");
+      nyo[n] = mpp_get_dimlen(g_fid, "ny");
+      if(nxo[n]%x_refine != 0 ) mpp_error("make_coupler_mosaic: ocean supergrid x-size can not be divided by x_refine");
+      if(nyo[n]%y_refine != 0 ) mpp_error("make_coupler_mosaic: ocean supergrid y-size can not be divided by y_refine");
+      tmpx        = (double *)malloc((nxo[n]+1)*(nyo[n]+1)*sizeof(double));
+      tmpy        = (double *)malloc((nxo[n]+1)*(nyo[n]+1)*sizeof(double));
+      vid = mpp_get_varid(g_fid, "x");
+      mpp_get_var_value(g_fid, vid, tmpx);
+      vid = mpp_get_varid(g_fid, "y");
+      mpp_get_var_value(g_fid, vid, tmpy);     
+   
+      /* sometimes the ocean is only covered part of atmosphere, especially not cover
+	 the south pole region. In order to get all the exchange grid between atmosXland,
+	 we need to extend one point to cover the whole atmosphere. This need the
+	 assumption of one-tile ocean. Also we assume the latitude is the along j=0
+      */
+      if(ntile_ocn == 1) {
+	int na;
+	for(i=1; i<=nxo[n]; i++) 
+	  if(tmpy[i] != tmpy[i-1]) mpp_error("make_coupler_mosaic: latitude is not uniform along j=0");
+	/* calculate the minimum of latitude of atmosphere grid */
+	min_atm_lat = 9999; /* dummy large value */
+	for(na=0; na<ntile_atm; na++) {
+	  min_lat = minval_double((nxa[na]+1)*(nya[na]+1), yatm[na]);
+	  if(min_atm_lat > min_lat) min_atm_lat = min_lat;
+	}
+	if(tmpy[0]*D2R > min_atm_lat + TINY_VALUE) { /* extend one point in south direction*/
+	  ocn_south_ext = 1;
+	}
+      }      
+      nxo[n] /= x_refine;
+      nyo[n] /= y_refine;
+      nyo[n] += ocn_south_ext;
+      xocn[n]     = (double *)malloc((nxo[n]+1)*(nyo[n]+1)*sizeof(double));
+      yocn[n]     = (double *)malloc((nxo[n]+1)*(nyo[n]+1)*sizeof(double));
+      area_ocn[n] = (double *)malloc((nxo[n]  )*(nyo[n]  )*sizeof(double));
+
+      for(j = 0; j < nyo[n]+1; j++) for(i = 0; i < nxo[n]+1; i++) {
+	xocn[n][(j+ocn_south_ext)*(nxo[n]+1)+i] = tmpx[(j*y_refine)*(nxo[n]*x_refine+1)+i*x_refine] * D2R;
+	yocn[n][(j+ocn_south_ext)*(nxo[n]+1)+i] = tmpy[(j*y_refine)*(nxo[n]*x_refine+1)+i*x_refine] * D2R;
+      }
+      if(ocn_south_ext==1) {
+	for(i=0; i<nxo[n]+1; i++) {
+	  xocn[n][i] = xocn[n][nxo[n]+1+i];
+	  yocn[n][i] = min_atm_lat;
+	}
+      }
+      free(tmpx);
+      free(tmpy);
+      get_grid_area(nxo+n, nyo+n, xocn[n], yocn[n], area_ocn[n]);
+      mpp_close(g_fid);
+    }
+    mpp_close(m_fid);
+    
+    /* read ocean topography */
+    t_fid = mpp_open(otopog, MPP_READ);
+    ntiles = mpp_get_dimlen(t_fid, "ntiles");
+    if(ntile_ocn != ntiles) mpp_error("make_coupler_mosaic: dimlen ntiles in mosaic file is not the same as dimlen in topog file");
+    omask = (double **)malloc(ntile_ocn*sizeof(double *));
+    for(n=0; n<ntile_ocn; n++) {
+      char name[128];
+      int nx, ny, i, j;
+      double *depth;
+
+      if(ntiles == 1)
+	strcpy(name, "nx");
+      else
+	sprintf(name, "nx_tile%d", n+1);
+      nx = mpp_get_dimlen(t_fid, name);
+      if(ntiles == 1)
+	strcpy(name, "ny");
+      else
+	sprintf(name, "ny_tile%d", n+1);
+      ny = mpp_get_dimlen(t_fid, name);
+      if( nx != nxo[n] || ny+ocn_south_ext != nyo[n]) mpp_error("make_coupler_mosaic: grid size mismatch between mosaic file and topog file");
+      if(ntiles == 1)
+	strcpy(name, "depth");
+      else
+        sprintf(name, "depth_tile%d", n+1);
+      depth    = (double *)malloc(nx*ny*sizeof(double));
+      omask[n] = (double *)malloc(nxo[n]*nyo[n]*sizeof(double));
+      vid = mpp_get_varid(t_fid, name);
+      mpp_get_var_value(t_fid, vid, depth);
+      for(i=0; i<nxo[n]*nyo[n]; i++) omask[n][i] = 0;
+      for(j=0; j<ny; j++) for(i=0; i<nx; i++) {
+	if(depth[j*nx+i] >sea_level) omask[n][(j+ocn_south_ext)*nx+i] = 1;
+      }
+      free(depth);
+    }
+    mpp_close(t_fid);
+  }    
+
+  
+  /* Either omosaic is different from both lmosaic and amosaic,
+     or all the three mosaic are the same
+  */
+  if(strcmp(omosaic_name, amosaic_name)) { /* omosaic is different from amosaic */
+    if(!strcmp(omosaic_name, lmosaic_name)) mpp_error("make_coupler_mosaic: omosaic is the same as lmosaic, "
+						      "but different from amosaic.");
+    same_mosaic = 0;
+  }
+  else { /* omosaic is same as amosaic */
+    if(strcmp(omosaic_name, lmosaic_name)) mpp_error("make_coupler_mosaic: omosaic is the same as amosaic, "
+						      "but different from lmosaic.");
+    same_mosaic = 1;
+  }
+    
+    
+  /***************************************************************************************
+     First generate the exchange grid between atmos mosaic and land/ocean mosaic              
+  ***************************************************************************************/
+  nfile_axo = 0;
+  nfile_axl = 0;
+  nfile_lxo = 0;
+  {
+    int no, nl, na, n;
+    size_t  **naxl, **naxo;
+    int     ***atmxlnd_ia,   ***atmxlnd_ja,   ***atmxlnd_il,   ***atmxlnd_jl;
+    int     ***atmxocn_ia,   ***atmxocn_ja,   ***atmxocn_io,   ***atmxocn_jo;
+    double  ***atmxlnd_area, ***atmxlnd_dia,  ***atmxlnd_dja,  ***atmxlnd_dil,  ***atmxlnd_djl;
+    double  ***atmxocn_area, ***atmxocn_dia,  ***atmxocn_dja,  ***atmxocn_dio,  ***atmxocn_djo;
+    double  ***atmxocn_clon, ***atmxocn_clat, ***atmxlnd_clon, ***atmxlnd_clat;
+    double   min_area; 
+
+    naxl         = (size_t ** )malloc(ntile_atm*sizeof(size_t *));
+    naxo         = (size_t ** )malloc(ntile_atm*sizeof(size_t *));
+    atmxlnd_area = (double ***)malloc(ntile_atm*sizeof(double **));
+    atmxlnd_ia   = (int    ***)malloc(ntile_atm*sizeof(int    **));
+    atmxlnd_ja   = (int    ***)malloc(ntile_atm*sizeof(int    **));
+    atmxlnd_il   = (int    ***)malloc(ntile_atm*sizeof(int    **));
+    atmxlnd_jl   = (int    ***)malloc(ntile_atm*sizeof(int    **));
+    atmxocn_area = (double ***)malloc(ntile_atm*sizeof(double **));
+    atmxocn_ia   = (int    ***)malloc(ntile_atm*sizeof(int    **));
+    atmxocn_ja   = (int    ***)malloc(ntile_atm*sizeof(int    **));
+    atmxocn_io   = (int    ***)malloc(ntile_atm*sizeof(int    **));
+    atmxocn_jo   = (int    ***)malloc(ntile_atm*sizeof(int    **));
+
+    if(interp_order == 2 ) {
+      atmxlnd_dia  = (double ***)malloc(ntile_atm*sizeof(double **));
+      atmxlnd_dja  = (double ***)malloc(ntile_atm*sizeof(double **));
+      atmxlnd_dil  = (double ***)malloc(ntile_atm*sizeof(double **));
+      atmxlnd_djl  = (double ***)malloc(ntile_atm*sizeof(double **));
+      atmxocn_dia  = (double ***)malloc(ntile_atm*sizeof(double **));
+      atmxocn_dja  = (double ***)malloc(ntile_atm*sizeof(double **));
+      atmxocn_dio  = (double ***)malloc(ntile_atm*sizeof(double **));
+      atmxocn_djo  = (double ***)malloc(ntile_atm*sizeof(double **));      
+      atmxlnd_clon = (double ***)malloc(ntile_atm*sizeof(double **));
+      atmxlnd_clat = (double ***)malloc(ntile_atm*sizeof(double **));
+      atmxocn_clon = (double ***)malloc(ntile_atm*sizeof(double **));
+      atmxocn_clat = (double ***)malloc(ntile_atm*sizeof(double **));      
+    }
+    
+    for(na=0; na<ntile_atm; na++) {
+      naxl[na]         = (size_t * )malloc(ntile_lnd*sizeof(size_t));
+      naxo[na]         = (size_t * )malloc(ntile_ocn*sizeof(size_t));
+      atmxlnd_area[na] = (double **)malloc(ntile_lnd*sizeof(double *));
+      atmxlnd_ia[na]   = (int    **)malloc(ntile_lnd*sizeof(int    *));
+      atmxlnd_ja[na]   = (int    **)malloc(ntile_lnd*sizeof(int    *));
+      atmxlnd_il[na]   = (int    **)malloc(ntile_lnd*sizeof(int    *));
+      atmxlnd_jl[na]   = (int    **)malloc(ntile_lnd*sizeof(int    *));
+      atmxocn_area[na] = (double **)malloc(ntile_ocn*sizeof(double *));
+      atmxocn_ia[na]   = (int    **)malloc(ntile_ocn*sizeof(int    *));
+      atmxocn_ja[na]   = (int    **)malloc(ntile_ocn*sizeof(int    *));
+      atmxocn_io[na]   = (int    **)malloc(ntile_ocn*sizeof(int    *));
+      atmxocn_jo[na]   = (int    **)malloc(ntile_ocn*sizeof(int    *));
+    
+      if(interp_order == 2 ) {
+	atmxlnd_dia [na] = (double **)malloc(ntile_lnd*sizeof(double *));
+	atmxlnd_dja [na] = (double **)malloc(ntile_lnd*sizeof(double *));
+	atmxlnd_dil [na] = (double **)malloc(ntile_lnd*sizeof(double *));
+	atmxlnd_djl [na] = (double **)malloc(ntile_lnd*sizeof(double *));
+	atmxocn_dia [na] = (double **)malloc(ntile_ocn*sizeof(double *));
+	atmxocn_dja [na] = (double **)malloc(ntile_ocn*sizeof(double *));
+	atmxocn_dio [na] = (double **)malloc(ntile_ocn*sizeof(double *));
+	atmxocn_djo [na] = (double **)malloc(ntile_ocn*sizeof(double *));
+	atmxlnd_clon[na] = (double **)malloc(ntile_lnd*sizeof(double *));
+	atmxlnd_clat[na] = (double **)malloc(ntile_lnd*sizeof(double *));
+	atmxocn_clon[na] = (double **)malloc(ntile_ocn*sizeof(double *));
+	atmxocn_clat[na] = (double **)malloc(ntile_ocn*sizeof(double *));      
+      }
+
+      for(nl=0; nl<ntile_lnd; nl++) {
+	atmxlnd_area[na][nl] = (double *)malloc(MAXXGRID*sizeof(double));
+	atmxlnd_ia  [na][nl] = (int    *)malloc(MAXXGRID*sizeof(int   ));
+	atmxlnd_ja  [na][nl] = (int    *)malloc(MAXXGRID*sizeof(int   ));
+	atmxlnd_il  [na][nl] = (int    *)malloc(MAXXGRID*sizeof(int   ));
+	atmxlnd_jl  [na][nl] = (int    *)malloc(MAXXGRID*sizeof(int   ));
+	if(interp_order == 2 ) {
+	  atmxlnd_clon[na][nl] = (double *)malloc(MAXXGRID*sizeof(double));
+	  atmxlnd_clat[na][nl] = (double *)malloc(MAXXGRID*sizeof(double));
+	  atmxlnd_dia [na][nl] = (double *)malloc(MAXXGRID*sizeof(double));
+	  atmxlnd_dja [na][nl] = (double *)malloc(MAXXGRID*sizeof(double));
+	  atmxlnd_dil [na][nl] = (double *)malloc(MAXXGRID*sizeof(double));
+	  atmxlnd_djl [na][nl] = (double *)malloc(MAXXGRID*sizeof(double));
+	}
+      }
+ 
+      for(no=0; no<ntile_ocn; no++) {
+	atmxocn_area[na][no] = (double *)malloc(MAXXGRID*sizeof(double));
+	atmxocn_ia  [na][no] = (int    *)malloc(MAXXGRID*sizeof(int   ));
+	atmxocn_ja  [na][no] = (int    *)malloc(MAXXGRID*sizeof(int   ));
+	atmxocn_io  [na][no] = (int    *)malloc(MAXXGRID*sizeof(int   ));
+	atmxocn_jo  [na][no] = (int    *)malloc(MAXXGRID*sizeof(int   ));          
+	if(interp_order == 2 ) {
+	  atmxocn_clon[na][no] = (double *)malloc(MAXXGRID*sizeof(double));
+	  atmxocn_clat[na][no] = (double *)malloc(MAXXGRID*sizeof(double));
+	  atmxocn_dia [na][no] = (double *)malloc(MAXXGRID*sizeof(double));
+	  atmxocn_dja [na][no] = (double *)malloc(MAXXGRID*sizeof(double));
+	  atmxocn_dio [na][no] = (double *)malloc(MAXXGRID*sizeof(double));
+	  atmxocn_djo [na][no] = (double *)malloc(MAXXGRID*sizeof(double));
+	}
+      }
+    }
+      
+    for(na=0; na<ntile_atm; na++) {
+      
+      int      l, is, ie, js, je, la, ia, ja, il, jl, io, jo, layout[2];
+      int      n0, n1, n2, n3, na_in, nl_in, no_in, n_out, n_out2;
+      double   xa_min, ya_min, xo_min, yo_min, xl_min, yl_min, xa_avg;
+      double   xa_max, ya_max, xo_max, yo_max, xl_max, yl_max;
+      double   xarea;
+      double   xa[MV], ya[MV], xl[MV], yl[MV], xo[MV], yo[MV];
+      double   x_out[MV], y_out[MV];
+      double   atmxlnd_x[MX][MV], atmxlnd_y[MX][MV];
+      int      num_v[MX];
+      int      axl_i[MX], axl_j[MX], axl_t[MX];
+      double   axl_xmin[MX], axl_xmax[MX], axl_ymin[MX], axl_ymax[MX];
+      double   axl_area[MX], axl_clon[MX], axl_clat[MX];
+      size_t   count;
+      domain2D Dom;
+      
+      for(nl=0; nl<ntile_lnd; nl++) naxl[na][nl] = 0;
+      for(no=0; no<ntile_ocn; no++) naxo[na][no] = 0;
+      layout[0] = mpp_npes();
+      layout[1] = 1;
+        
+      mpp_define_domain2d(nxa[na]*nya[na], 1, layout, 0, 0, &Dom);
+      mpp_get_compute_domain2d(Dom, &is, &ie, &js, &je );
+      for(la=is;la<=ie;la++) {
+	
+	ia = la%nxa[na];
+	ja = la/nxa[na];
+	n0 = ja    *(nxa[na]+1) + ia;
+	n1 = ja    *(nxa[na]+1) + ia+1;
+	n2 = (ja+1)*(nxa[na]+1) + ia+1;
+	n3 = (ja+1)*(nxa[na]+1) + ia;
+	xa[0] = xatm[na][n0]; ya[0] = yatm[na][n0];
+        xa[1] = xatm[na][n1]; ya[1] = yatm[na][n1];
+	xa[2] = xatm[na][n2]; ya[2] = yatm[na][n2];
+        xa[3] = xatm[na][n3]; ya[3] = yatm[na][n3];
+	ya_min  = minval_double(4, ya);
+	ya_max  = maxval_double(4, ya);
+	na_in   = fix_lon(xa, ya, 4, M_PI);
+	xa_min  = minval_double(na_in, xa);
+	xa_max  = maxval_double(na_in, xa);
+	xa_avg  = avgval_double(na_in, xa);
+	count = 0;
+	for(nl=0; nl<ntile_lnd; nl++) {
+	  for(jl = 0; jl < nyl[nl]; jl ++) for(il = 0; il < nxl[nl]; il++) {
+	    n0 = jl    *(nxl[nl]+1) + il;
+	    n1 = jl    *(nxl[nl]+1) + il+1;
+	    n2 = (jl+1)*(nxl[nl]+1) + il+1;
+	    n3 = (jl+1)*(nxl[nl]+1) + il;
+	    xl[0] = xlnd[nl][n0]; yl[0] = ylnd[nl][n0];
+	    xl[1] = xlnd[nl][n1]; yl[1] = ylnd[nl][n1];
+	    xl[2] = xlnd[nl][n2]; yl[2] = ylnd[nl][n2];
+	    xl[3] = xlnd[nl][n3]; yl[3] = ylnd[nl][n3];
+	    yl_min = minval_double(4, yl);
+	    yl_max = maxval_double(4, yl);
+            if(yl_min >= ya_max || yl_max <= ya_min ) continue;	    
+	    nl_in  = fix_lon(xl, yl, 4, xa_avg);
+	    xl_min = minval_double(nl_in, xl);
+	    xl_max = maxval_double(nl_in, xl);
+	    /* xl should in the same range as xa after lon_fix, so no need to
+	       consider cyclic condition
+	    */
+	      	    
+	    if(xa_min >= xl_max || xa_max <= xl_min ) continue;	
+	    if (  (n_out = clip_2dx2d( xa, ya, na_in, xl, yl, nl_in, x_out, y_out )) > 0 ) {
+	      xarea = poly_area(x_out, y_out, n_out);
+	      min_area = min(area_lnd[nl][jl*nxl[nl]+il], area_atm[na][la]);
+	      if( xarea/min_area > AREA_RATIO_THRESH ) {
+		/*  remember the exchange grid vertices */
+		for(n=0; n<n_out; n++) {
+		  atmxlnd_x[count][n] = x_out[n];
+		  atmxlnd_y[count][n] = y_out[n];
+		}
+		axl_i[count]    = il;
+		axl_j[count]    = jl;
+		axl_t[count]    = nl;
+		num_v[count]    = n_out;
+		axl_xmin[count] = minval_double(n_out, x_out);
+		axl_xmax[count] = maxval_double(n_out, x_out);
+		axl_ymin[count] = minval_double(n_out, y_out);
+		axl_ymax[count] = maxval_double(n_out, y_out);
+		axl_area[count] = 0;
+		if(interp_order == 2) {
+		  axl_clon[count] = 0;
+		  axl_clat[count] = 0;
+		}
+		++count;
+		if(count>MX) mpp_error("make_coupler_mosaic: count is greater than MX, increase MX");
+      	      }
+	    }
+	  }
+	}
+
+	/* calculate atmos/ocean x-cells */
+	for(no=0; no<ntile_ocn; no++) {
+	  for(jo = 0; jo < nyo[no]; jo++) for(io = 0; io < nxo[no]; io++) {	
+	    n0 = jo    *(nxo[no]+1) + io;
+	    n1 = jo    *(nxo[no]+1) + io+1;
+	    n2 = (jo+1)*(nxo[no]+1) + io+1;
+	    n3 = (jo+1)*(nxo[no]+1) + io;
+	    xo[0] = xocn[no][n0]; yo[0] = yocn[no][n0];
+	    xo[1] = xocn[no][n1]; yo[1] = yocn[no][n1];
+	    xo[2] = xocn[no][n2]; yo[2] = yocn[no][n2];
+	    xo[3] = xocn[no][n3]; yo[3] = yocn[no][n3];
+	    yo_min = minval_double(4, yo);
+	    yo_max = maxval_double(4, yo);
+	    no_in  = fix_lon(xo, yo, 4, xa_avg);
+	    xo_min = minval_double(no_in, xo);
+	    xo_max = maxval_double(no_in, xo);
+	    if(omask[no][jo*nxo[no]+io] > 0.5) { /* over sea/ice */
+	      /* xo should in the same range as xa after lon_fix, so no need to
+		 consider cyclic condition
+	      */
+              if(xa_min >= xo_max || xa_max <= xo_min || yo_min >= ya_max || yo_max <= ya_min ) continue;	    
+
+	      if (  (n_out = clip_2dx2d( xa, ya, na_in, xo, yo, no_in, x_out, y_out )) > 0) {
+		xarea = poly_area(x_out, y_out, n_out );
+		min_area = min(area_ocn[no][jo*nxo[no]+io], area_atm[na][la]);
+		if(xarea/min_area > AREA_RATIO_THRESH) {
+	    
+		  atmxocn_area[na][no][naxo[na][no]] = xarea;
+		  atmxocn_io[na][no][naxo[na][no]]   = io;
+		  atmxocn_jo[na][no][naxo[na][no]]   = jo;
+		  atmxocn_ia[na][no][naxo[na][no]]   = ia;
+		  atmxocn_ja[na][no][naxo[na][no]]   = ja;
+		  if(interp_order == 2) {
+		    atmxocn_clon[na][no][naxo[na][no]] = poly_ctrlon ( x_out, y_out, n_out, xa_avg);
+		    atmxocn_clat[na][no][naxo[na][no]] = poly_ctrlat ( x_out, y_out, n_out );		
+		  }
+		  ++(naxo[na][no]);
+		  if(naxo[na][no] > MAXXGRID) mpp_error("naxo is greater than MAXXGRID, increase MAXXGRID");
+		}
+	      }
+	    }
+	    else { /* over land */
+	      /* find the overlap of atmxlnd and ocean cell */
+	      for(l=0; l<count; l++) {
+		if(axl_xmin[l] >= xo_max || axl_xmax[l] <= xo_min || axl_ymin[l] >= ya_max || axl_ymax[l] <= ya_min ) continue;	  
+		if((n_out = clip_2dx2d( atmxlnd_x[l], atmxlnd_y[l], num_v[l], xo, yo, no_in, x_out, y_out )) > 0) {
+		  xarea = poly_area(x_out, y_out, n_out );
+		  min_area = min(area_lnd[axl_t[l]][axl_j[l]*nxl[axl_t[l]]+axl_i[l]], area_atm[na][la]);
+		  if(xarea/min_area > AREA_RATIO_THRESH) {
+		    axl_area[l] += xarea;
+		    if(interp_order == 2) {
+		      axl_clon[l] += poly_ctrlon ( x_out, y_out, n_out, xa_avg);
+		      axl_clat[l] += poly_ctrlat ( x_out, y_out, n_out);
+		    }
+		  }
+		}
+	      }
+	    }
+	  }
+	}
+	/* get the exchange grid between land and atmos. */
+	for(l=0; l<count; l++) {
+	  nl = axl_t[l];
+	  min_area = min(area_lnd[nl][axl_j[l]*nxl[nl]+axl_i[l]], area_atm[na][la]);
+	  if(axl_area[l]/min_area > AREA_RATIO_THRESH) {
+	    atmxlnd_area[na][nl][naxl[na][nl]] = axl_area[l];
+	    atmxlnd_ia  [na][nl][naxl[na][nl]] = ia;
+	    atmxlnd_ja  [na][nl][naxl[na][nl]] = ja;
+	    atmxlnd_il  [na][nl][naxl[na][nl]] = axl_i[l];
+	    atmxlnd_jl  [na][nl][naxl[na][nl]] = axl_j[l];
+	    if(interp_order == 2) {
+	      atmxlnd_clon[na][nl][naxl[na][nl]] = axl_clon[l];
+	      atmxlnd_clat[na][nl][naxl[na][nl]] = axl_clat[l];
+	    }
+	    ++(naxl[na][nl]);
+	    if(naxl[na][nl] > MAXXGRID) mpp_error("naxl is greater than MAXXGRID, increase MAXXGRID");
+	  }
+	}   
+      }/* end of la loop */
+
+      mpp_delete_domain2d(&Dom);
+    } /* end of na loop */
+
+    /* calculate the centroid of model grid, as well as land_mask and ocean_mask */
+    {
+      double **l_area, **o_area;
+      int    nl, no, ll, lo;
+      l_area = (double **)malloc(ntile_lnd*sizeof(double *));
+      o_area = (double **)malloc(ntile_ocn*sizeof(double *));
+      for(nl =0; nl<ntile_lnd; nl++) {
+	l_area[nl] = (double *)malloc(nxl[nl]*nyl[nl]*sizeof(double));
+	for(ll=0; ll<nxl[nl]*nyl[nl]; ll++) {
+	  l_area[nl][ll] = 0;
+	}
+      }
+      for(no =0; no<ntile_ocn; no++) {
+	o_area[no] = (double *)malloc(nxo[no]*nyo[no]*sizeof(double));
+	for(lo=0; lo<nxo[no]*nyo[no]; lo++) {
+	  o_area[no][lo] = 0;
+	}
+      }
+            
+      if(interp_order == 1) {
+	for(na=0; na<ntile_atm; na++) {
+	  for(nl=0; nl<ntile_lnd; nl++) {
+	    int nxgrid;
+	  
+	    nxgrid = naxl[na][nl];
+	    mpp_sum_int(1, &nxgrid);
+	    if(nxgrid > 0) {
+	      double *g_area;
+	      int    *g_il, *g_jl;
+	      int    ii;
+	      g_il = (int    *)malloc(nxgrid*sizeof(int   ));
+	      g_jl = (int    *)malloc(nxgrid*sizeof(int   ));	
+	      g_area = (double *)malloc(nxgrid*sizeof(double));
+	      mpp_gather_field_int   (naxl[na][nl], atmxlnd_il[na][nl], g_il);
+	      mpp_gather_field_int   (naxl[na][nl], atmxlnd_jl[na][nl], g_jl);
+	      mpp_gather_field_double(naxl[na][nl], atmxlnd_area[na][nl], g_area);
+	      for(i=0; i<nxgrid; i++) {
+		ii = g_jl[i]*nxl[nl]+g_il[i];
+		l_area[nl][ii] += g_area[i];
+	      }
+	      free(g_il);
+	      free(g_jl);
+	      free(g_area);
+	    }
+	  }
+
+	  for(no=0; no<ntile_ocn; no++) {
+	    int nxgrid;
+	    nxgrid = naxo[na][no];
+	    mpp_sum_int(1, &nxgrid);
+	    if(nxgrid > 0) {
+	      double *g_area;
+	      int    *g_io, *g_jo;
+	      int    ii;
+	      g_io = (int    *)malloc(nxgrid*sizeof(int   ));
+	      g_jo = (int    *)malloc(nxgrid*sizeof(int   ));	
+	      g_area = (double *)malloc(nxgrid*sizeof(double));
+	      mpp_gather_field_int   (naxo[na][no], atmxocn_io[na][no], g_io);
+	      mpp_gather_field_int   (naxo[na][no], atmxocn_jo[na][no], g_jo);
+	      mpp_gather_field_double(naxo[na][no], atmxocn_area[na][no], g_area);
+	      for(i=0; i<nxgrid; i++) {	      
+		ii = g_jo[i]*nxo[no]+g_io[i];
+		o_area[no][ii] += g_area[i];
+	      }
+	      free(g_io);
+	      free(g_jo);
+	      free(g_area);
+	    }
+	  }
+	}
+      }
+      else { /* interp_order == 2 */
+	double **l_clon, **l_clat;
+	double **o_clon, **o_clat;
+	double  *a_area,  *a_clon,  *a_clat;
+	int la;
+      
+	l_clon = (double **)malloc(ntile_lnd*sizeof(double *));
+	l_clat = (double **)malloc(ntile_lnd*sizeof(double *));
+	for(nl =0; nl<ntile_lnd; nl++) {
+	  l_clon[nl] = (double *)malloc(nxl[nl]*nyl[nl]*sizeof(double));
+	  l_clat[nl] = (double *)malloc(nxl[nl]*nyl[nl]*sizeof(double));
+	  for(ll=0; ll<nxl[nl]*nyl[nl]; ll++) {
+	    l_clon[nl][ll] = 0;
+	    l_clat[nl][ll] = 0;
+	  }
+	}
+	o_clon = (double **)malloc(ntile_ocn*sizeof(double *));
+	o_clat = (double **)malloc(ntile_ocn*sizeof(double *));
+	for(no =0; no<ntile_ocn; no++) {
+	  o_clon[no] = (double *)malloc(nxo[no]*nyo[no]*sizeof(double));
+	  o_clat[no] = (double *)malloc(nxo[no]*nyo[no]*sizeof(double));
+	  for(lo=0; lo<nxo[no]*nyo[no]; lo++) {
+	    o_clon[no][lo] = 0;
+	    o_clat[no][lo] = 0;
+	  }
+	}	
+	for(na=0; na<ntile_atm; na++) {
+	  //	double *area, *clon, *clat;
+      
+	  a_area = (double *)malloc(nxa[na]*nya[na]*sizeof(double));
+	  a_clon = (double *)malloc(nxa[na]*nya[na]*sizeof(double));
+	  a_clat = (double *)malloc(nxa[na]*nya[na]*sizeof(double));
+	  for(la=0; la<nxa[na]*nya[na]; la++) {
+	    a_area[la] = 0;
+	    a_clon[la] = 0;
+	    a_clat[la] = 0;
+	  }
+
+	  for(nl=0; nl<ntile_lnd; nl++) {
+	    int nxgrid;
+	  
+	    nxgrid = naxl[na][nl];
+	    mpp_sum_int(1, &nxgrid);
+	    if(nxgrid > 0) {
+	      double *g_area, *g_clon, *g_clat;
+	      int    *g_ia,   *g_ja,   *g_il, *g_jl;
+	      int    ii;
+	      g_ia = (int    *)malloc(nxgrid*sizeof(int   ));
+	      g_ja = (int    *)malloc(nxgrid*sizeof(int   ));
+	      g_il = (int    *)malloc(nxgrid*sizeof(int   ));
+	      g_jl = (int    *)malloc(nxgrid*sizeof(int   ));	
+	      g_area = (double *)malloc(nxgrid*sizeof(double));
+	      g_clon = (double *)malloc(nxgrid*sizeof(double));
+	      g_clat = (double *)malloc(nxgrid*sizeof(double));
+	      mpp_gather_field_int   (naxl[na][nl], atmxlnd_ia[na][nl], g_ia);
+	      mpp_gather_field_int   (naxl[na][nl], atmxlnd_ja[na][nl], g_ja);
+	      mpp_gather_field_int   (naxl[na][nl], atmxlnd_il[na][nl], g_il);
+	      mpp_gather_field_int   (naxl[na][nl], atmxlnd_jl[na][nl], g_jl);
+	      mpp_gather_field_double(naxl[na][nl], atmxlnd_area[na][nl], g_area);
+	      mpp_gather_field_double(naxl[na][nl], atmxlnd_clon[na][nl], g_clon);
+	      mpp_gather_field_double(naxl[na][nl], atmxlnd_clat[na][nl], g_clat);
+	      for(i=0; i<nxgrid; i++) {
+		ii = g_ja[i]*nxa[na]+g_ia[i];
+		a_area[ii] += g_area[i];
+		a_clon[ii] += g_clon[i];
+		a_clat[ii] += g_clat[i];
+		ii = g_jl[i]*nxl[nl]+g_il[i];
+		l_area[nl][ii] += g_area[i];
+		l_clon[nl][ii] += g_clon[i];
+		l_clat[nl][ii] += g_clat[i];
+	      }
+	      free(g_ia);
+	      free(g_ja);
+	      free(g_il);
+	      free(g_jl);
+	      free(g_area);
+	      free(g_clon);
+	      free(g_clat);
+	    }
+	  }
+
+	  for(no=0; no<ntile_ocn; no++) {
+	    int nxgrid;
+	    nxgrid = naxo[na][no];
+	    mpp_sum_int(1, &nxgrid);
+	    if(nxgrid > 0) {
+	      double *g_area, *g_clon, *g_clat;
+	      int    *g_ia,   *g_ja,   *g_io, *g_jo;
+	      int    ii;
+	      g_ia = (int    *)malloc(nxgrid*sizeof(int   ));
+	      g_ja = (int    *)malloc(nxgrid*sizeof(int   ));
+	      g_io = (int    *)malloc(nxgrid*sizeof(int   ));
+	      g_jo = (int    *)malloc(nxgrid*sizeof(int   ));	
+	      g_area = (double *)malloc(nxgrid*sizeof(double));
+	      g_clon = (double *)malloc(nxgrid*sizeof(double));
+	      g_clat = (double *)malloc(nxgrid*sizeof(double));
+	      mpp_gather_field_int   (naxo[na][no], atmxocn_ia[na][no], g_ia);
+	      mpp_gather_field_int   (naxo[na][no], atmxocn_ja[na][no], g_ja);
+	      mpp_gather_field_int   (naxo[na][no], atmxocn_io[na][no], g_io);
+	      mpp_gather_field_int   (naxo[na][no], atmxocn_jo[na][no], g_jo);
+	      mpp_gather_field_double(naxo[na][no], atmxocn_area[na][no], g_area);
+	      mpp_gather_field_double(naxo[na][no], atmxocn_clon[na][no], g_clon);
+	      mpp_gather_field_double(naxo[na][no], atmxocn_clat[na][no], g_clat);
+	      for(i=0; i<nxgrid; i++) {	      
+		ii = g_ja[i]*nxa[na]+g_ia[i];
+		a_area[ii] += g_area[i];
+		a_clon[ii] += g_clon[i];
+		a_clat[ii] += g_clat[i];
+		ii = g_jo[i]*nxo[no]+g_io[i];
+		o_area[no][ii] += g_area[i];
+		o_clon[no][ii] += g_clon[i];
+		o_clat[no][ii] += g_clat[i];
+	      }
+	      free(g_ia);
+	      free(g_ja);
+	      free(g_io);
+	      free(g_jo);
+	      free(g_area);
+	      free(g_clon);
+	      free(g_clat);
+	    }
+	  }
+
+	  for(la=0; la<nxa[na]*nya[na]; la++) {
+	    if(a_area[la] > 0) {
+	      a_clon[la] /= a_area[la];
+	      a_clat[la] /= a_area[la];
+	    }
+	  }
+	
+	  /* substract atmos centroid to get the centroid distance between atmos grid and exchange grid. */
+	  for(nl=0; nl<ntile_lnd; nl++) {
+	    for(i=0; i<naxl[na][nl]; i++) {
+	      la = atmxlnd_ja[na][nl][i]*nxa[na] + atmxlnd_ia[na][nl][i];
+	      atmxlnd_dia[na][nl][i] = atmxlnd_clon[na][nl][i]/atmxlnd_area[na][nl][i] - a_clon[la];
+	      atmxlnd_dja[na][nl][i] = atmxlnd_clat[na][nl][i]/atmxlnd_area[na][nl][i] - a_clat[la];
+	    }
+	  }
+	  for(no=0; no<ntile_ocn; no++) {
+	    for(i=0; i<naxo[na][no]; i++) {
+	      la = atmxocn_ja[na][no][i]*nxa[na] + atmxocn_ia[na][no][i];
+	      atmxocn_dia[na][no][i] = atmxocn_clon[na][no][i]/atmxocn_area[na][no][i] - a_clon[la];
+	      atmxocn_dja[na][no][i] = atmxocn_clat[na][no][i]/atmxocn_area[na][no][i] - a_clat[la];
+	    }
+	  }
+	
+	  free(a_area);
+	  free(a_clon);
+	  free(a_clat);
+	}
+
+      
+	/* centroid distance from exchange grid to land grid */
+	for(nl=0; nl<ntile_lnd; nl++) {
+	  for(ll=0; ll<nxl[nl]*nyl[nl]; ll++) {
+	    if(l_area[nl][ll] > 0) {
+	      l_clon[nl][ll] /= l_area[nl][ll];
+	      l_clat[nl][ll] /= l_area[nl][ll];
+	    }
+	  }
+	  for(na=0; na<ntile_atm; na++) {
+	    for(i=0; i<naxl[na][nl]; i++) {
+	      ll = atmxlnd_jl[na][nl][i]*nxl[nl] + atmxlnd_il[na][nl][i];
+	      atmxlnd_dil[na][nl][i] = atmxlnd_clon[na][nl][i]/atmxlnd_area[na][nl][i] - l_clon[nl][ll];
+	      atmxlnd_djl[na][nl][i] = atmxlnd_clat[na][nl][i]/atmxlnd_area[na][nl][i] - l_clat[nl][ll];
+	    }
+	  }
+	  free(l_clon[nl]);
+	  free(l_clat[nl]);
+	}
+
+	/* centroid distance from exchange grid to ocean grid */
+	for(no=0; no<ntile_ocn; no++) {
+	  for(lo=0; lo<nxo[no]*nyo[no]; lo++) {
+	    if(o_area[no][lo] > 0) {
+	      o_clon[no][lo] /= o_area[no][lo];
+	      o_clat[no][lo] /= o_area[no][lo];
+	    }
+	  }
+	  for(na=0; na<ntile_atm; na++) {
+	    for(i=0; i<naxo[na][no]; i++) {
+	      lo = atmxocn_jo[na][no][i]*nxo[no] + atmxocn_io[na][no][i];
+	      atmxocn_dio[na][no][i] = atmxocn_clon[na][no][i]/atmxocn_area[na][no][i] - o_clon[no][lo];
+	      atmxocn_djo[na][no][i] = atmxocn_clat[na][no][i]/atmxocn_area[na][no][i] - o_clat[no][lo];
+	    }
+	  }
+	  free(o_clon[no]);
+	  free(o_clat[no]);
+	}
+	free(o_clon);
+	free(o_clat);
+	free(l_clon);
+	free(l_clat);  
+      }
+
+      /* calculate ocean_frac and compare ocean_frac with omask */
+      /* also write out ocn_frac */
+      {
+	int    io, jo;
+	double ocn_frac;
+	int    id_mask, fid, dims[2];
+	char ocn_mask_file[STRING];
+	double *mask;
+	int ny;
+
+
+	for(no=0; no<ntile_ocn; no++) {
+	  ny = nyo[no]-ocn_south_ext;
+	  mask = (double *)malloc(nxo[no]*ny*sizeof(double));
+	  for(jo=0; jo<ny; jo++) for(io=0; io<nxo[no]; io++) {
+	    i = (jo+ocn_south_ext)*nxo[no]+io;
+	    ocn_frac = o_area[no][i]/area_ocn[no][i];
+	    if( fabs(omask[no][i] - ocn_frac) > TOLORENCE ) {
+	      printf("at ocean point (%d,%d), omask = %f, ocn_frac = %f, diff = %f\n",
+		     io, jo, omask[no][i], ocn_frac, omask[no][i] - ocn_frac);
+	      mpp_error("make_coupler_mosaic: omask is not equal ocn_frac");
+	    }
+	    mask[jo*nxo[no]+io] = ocn_frac;
+	  }
+	  if(ntile_ocn > 1)
+	    sprintf(ocn_mask_file, "ocean_mask_tile%d.nc", no+1);
+	  else
+	    strcpy(ocn_mask_file, "ocean_mask.nc");
+	  fid = mpp_open(ocn_mask_file, MPP_WRITE);
+	  mpp_def_global_att(fid, "grid_version", grid_version);
+	  mpp_def_global_att(fid, "code_version", tagname);
+	  mpp_def_global_att(fid, "history", history);
+          	  
+
+	  dims[1] = mpp_def_dim(fid, "nx", nxo[no]); 
+	  dims[0] = mpp_def_dim(fid, "ny", ny);
+	  id_mask = mpp_def_var(fid, "mask", MPP_DOUBLE, 2, dims,  2, "standard_name",
+				"ocean fraction at T-cell centers", "units", "none");
+	  mpp_end_def(fid);
+	  mpp_put_var_value(fid, id_mask, mask);
+	  mpp_close(fid);
+	  free(mask);
+	}
+      }
+
+      /* calculate land_frac and  write out land_frac */
+      {
+	int    il, jl;
+	int    id_mask, fid, dims[2];
+	char lnd_mask_file[STRING];
+	double *mask;
+	
+	for(nl=0; nl<ntile_lnd; nl++) {
+	  mask = (double *)malloc(nxl[nl]*nyl[nl]*sizeof(double));
+	  for(jl=0; jl<nyl[nl]; jl++) for(il=0; il<nxl[nl]; il++) {
+	    i = jl*nxl[nl]+il;
+	    mask[i] = l_area[nl][i]/area_lnd[nl][i];
+	  }
+	  if(ntile_lnd > 1)
+	    sprintf(lnd_mask_file, "land_mask_tile%d.nc", nl+1);
+	  else
+	    strcpy(lnd_mask_file, "land_mask.nc");
+	  fid = mpp_open(lnd_mask_file, MPP_WRITE);
+	  mpp_def_global_att(fid, "grid_version", grid_version);
+	  mpp_def_global_att(fid, "code_version", tagname);
+	  mpp_def_global_att(fid, "history", history);
+	  dims[1] = mpp_def_dim(fid, "nx", nxl[nl]); 
+	  dims[0] = mpp_def_dim(fid, "ny", nyl[nl]);
+	  id_mask = mpp_def_var(fid, "mask", MPP_DOUBLE, 2, dims,  2, "standard_name",
+				"land fraction at T-cell centers", "units", "none");
+	  mpp_end_def(fid);
+	  mpp_put_var_value(fid, id_mask, mask);
+	  free(mask);
+	  mpp_close(fid);
+	}
+      }        
+      
+      for(nl=0; nl<ntile_lnd; nl++) free(l_area[nl]);
+      for(no=0; no<ntile_ocn; no++) free(o_area[no]);      
+      free(o_area);
+      free(l_area);
+    }
+    
+  
+    for(na=0; na<ntile_atm; na++) {
+    /* write out atmXlnd data*/
+      for(nl = 0; nl < ntile_lnd; nl++) {
+	int nxgrid;
+	nxgrid = naxl[na][nl];
+	mpp_sum_int(1, &nxgrid);
+	if(nxgrid>0) {
+	  size_t start[4], nwrite[4];
+	  int *gdata_int;
+	  double *gdata_dbl;
+	  
+	  int fid, dim_string, dim_ncells, dim_two, dims[4];
+	  int id_xgrid_area, id_contact, n;
+	  int id_tile1_cell, id_tile2_cell, id_tile1_dist, id_tile2_dist;
+	  char contact[STRING];
+
+	  for(i=0; i<4; i++) {
+	    start[i] = 0; nwrite[i] = 1;
+	  }	  	  
+	  if(same_mosaic)
+	    sprintf(axl_file[nfile_axl], "atm_%s_%sXlnd_%s_%s.nc", amosaic_name, atile_name[na], lmosaic_name, ltile_name[nl]);
+	  else
+	    sprintf(axl_file[nfile_axl], "%s_%sX%s_%s.nc", amosaic_name, atile_name[na], lmosaic_name, ltile_name[nl]);
+	  sprintf(contact, "%s:%s::%s:%s", amosaic_name, atile_name[na], lmosaic_name, ltile_name[nl]);
+	  fid = mpp_open(axl_file[nfile_axl], MPP_WRITE);
+	  mpp_def_global_att(fid, "grid_version", grid_version);
+	  mpp_def_global_att(fid, "code_version", tagname);
+	  mpp_def_global_att(fid, "history", history);
+	  dim_string = mpp_def_dim(fid, "string", STRING);
+	  dim_ncells = mpp_def_dim(fid, "ncells", nxgrid);
+	  dim_two    = mpp_def_dim(fid, "two", 2);
+	  if(interp_order == 2) {
+	    id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 7, "standard_name", "grid_contact_spec",
+				     "contact_type", "exchange", "parent1_cell",
+				     "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area", 
+				     "distant_to_parent1_centroid", "tile1_distance", "distant_to_parent2_centroid", "tile2_distance");
+	  }
+	  else {
+	    id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 5, "standard_name", "grid_contact_spec",
+				     "contact_type", "exchange", "parent1_cell",
+				     "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area");
+	  }
+	    
+	  dims[0] = dim_ncells; dims[1] = dim_two;
+	  id_tile1_cell = mpp_def_var(fid, "tile1_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic1");
+	  id_tile2_cell = mpp_def_var(fid, "tile2_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic2");
+	  id_xgrid_area = mpp_def_var(fid, "xgrid_area", MPP_DOUBLE, 1, &dim_ncells, 2, "standard_name",
+				      "exchange_grid_area", "units", "m2");
+	  if(interp_order == 2) {
+	    id_tile1_dist = mpp_def_var(fid, "tile1_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent1_cell_centroid");
+	    id_tile2_dist = mpp_def_var(fid, "tile2_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent2_cell_centroid");
+	  }
+	  mpp_end_def(fid);
+
+	  /* the index will start from 1, instead of 0 ( fortran index) */
+	  for(i = 0;i < naxl[na][nl]; i++) {
+	    ++(atmxlnd_ia[na][nl][i]);
+	    ++(atmxlnd_ja[na][nl][i]);
+	    ++(atmxlnd_il[na][nl][i]);
+	    ++(atmxlnd_jl[na][nl][i]);
+	  }
+	  nwrite[0] = strlen(contact);
+	  mpp_put_var_value_block(fid, id_contact, start, nwrite, contact);
+     	  nwrite[0] = nxgrid;
+
+	  gdata_int = (int *)malloc(nxgrid*sizeof(int));
+	  gdata_dbl = (double *)malloc(nxgrid*sizeof(double));
+
+	  mpp_gather_field_double(naxl[na][nl], atmxlnd_area[na][nl], gdata_dbl);
+	  if(check) {
+	    for(n=0; n<nxgrid; n++) axl_area_sum += gdata_dbl[n];
+	  }
+	  mpp_put_var_value(fid, id_xgrid_area, gdata_dbl);
+	  mpp_gather_field_int(naxl[na][nl], atmxlnd_ia[na][nl], gdata_int);
+	  mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, gdata_int);
+	  mpp_gather_field_int(naxl[na][nl], atmxlnd_il[na][nl], gdata_int);
+	  mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, gdata_int);
+	  start[1] = 1;
+	  mpp_gather_field_int(naxl[na][nl], atmxlnd_ja[na][nl], gdata_int);
+	  mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, gdata_int);
+	  mpp_gather_field_int(naxl[na][nl], atmxlnd_jl[na][nl], gdata_int);
+	  mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, gdata_int);
+	  if(interp_order == 2) {
+	    start[1] = 0;
+  	    mpp_gather_field_double(naxl[na][nl], atmxlnd_dia[na][nl], gdata_dbl);
+	    mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, gdata_dbl);
+	    mpp_gather_field_double(naxl[na][nl], atmxlnd_dil[na][nl], gdata_dbl);
+	    mpp_put_var_value_block(fid, id_tile2_dist, start, nwrite, gdata_dbl);
+	    start[1] = 1;
+  	    mpp_gather_field_double(naxl[na][nl], atmxlnd_dja[na][nl], gdata_dbl);
+	    mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, gdata_dbl);
+	    mpp_gather_field_double(naxl[na][nl], atmxlnd_djl[na][nl], gdata_dbl);
+	    mpp_put_var_value_block(fid, id_tile2_dist, start, nwrite, gdata_dbl);
+	  }
+	  mpp_close(fid);
+	  free(gdata_int);
+	  free(gdata_dbl);
+	  ++nfile_axl;
+	}
+      } /* end of nl loop */
+
+      /* write out atmXocn data */
+      for(no = 0; no < ntile_ocn; no++) {
+	int nxgrid;
+	
+	nxgrid = naxo[na][no];
+	mpp_sum_int(1, &nxgrid);
+	if(nxgrid>0) {
+	  size_t start[4], nwrite[4];
+	  int *gdata_int;
+	  double *gdata_dbl;
+	  int fid, dim_string, dim_ncells, dim_two, dims[4];
+	  int id_xgrid_area, id_contact, n;
+	  int id_tile1_cell, id_tile2_cell, id_tile1_dist, id_tile2_dist;	  
+	  char contact[STRING];
+
+	  for(i=0; i<4; i++) {
+	    start[i] = 0; nwrite[i] = 1;
+	  }
+	  
+	  if(same_mosaic)
+	    sprintf(axo_file[nfile_axo], "atm_%s_%sXocn_%s_%s.nc", amosaic_name, atile_name[na], omosaic_name, otile_name[no]);
+	  else
+	    sprintf(axo_file[nfile_axo], "%s_%sX%s_%s.nc", amosaic_name, atile_name[na], omosaic_name, otile_name[no]);
+	  
+	  sprintf(contact, "%s:%s::%s:%s", amosaic_name, atile_name[na], omosaic_name, otile_name[no]);
+	  fid = mpp_open(axo_file[nfile_axo], MPP_WRITE);
+	  mpp_def_global_att(fid, "grid_version", grid_version);
+          mpp_def_global_att(fid, "code_version", tagname);
+	  mpp_def_global_att(fid, "history", history);
+	  dim_string = mpp_def_dim(fid, "string", STRING);
+	  dim_ncells = mpp_def_dim(fid, "ncells", nxgrid);
+	  dim_two    = mpp_def_dim(fid, "two", 2);
+	  if(interp_order == 2) {
+	    id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 7, "standard_name", "grid_contact_spec",
+				   "contact_type", "exchange", "parent1_cell",
+				   "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area", 
+				   "distant_to_parent1_centroid", "tile1_distance", "distant_to_parent2_centroid", "tile2_distance");
+	  }
+	  else {
+	    id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 5, "standard_name", "grid_contact_spec",
+				   "contact_type", "exchange", "parent1_cell",
+				   "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area" );
+	  }
+	  dims[0] = dim_ncells; dims[1] = dim_two;
+	  id_tile1_cell = mpp_def_var(fid, "tile1_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic1");
+	  id_tile2_cell = mpp_def_var(fid, "tile2_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic2");
+	  id_xgrid_area = mpp_def_var(fid, "xgrid_area", MPP_DOUBLE, 1, &dim_ncells, 2, "standard_name",
+				      "exchange_grid_area", "units", "m2");
+	  if(interp_order == 2) {
+	    id_tile1_dist = mpp_def_var(fid, "tile1_distance", MPP_DOUBLE, 2, dims, 1, "standard_name",
+					"distance_from_parent1_cell_centroid");
+	    id_tile2_dist = mpp_def_var(fid, "tile2_distance", MPP_DOUBLE, 2, dims, 1, "standard_name",
+					"distance_from_parent2_cell_centroid");
+	  }
+	  mpp_end_def(fid);
+
+	  /* the index will start from 1, instead of 0 ( fortran index) */
+	  for(i = 0;i < naxo[na][no]; i++) {
+	    ++(atmxocn_ia[na][no][i]);
+	    ++(atmxocn_ja[na][no][i]);
+	    ++(atmxocn_io[na][no][i]);
+	    atmxocn_jo[na][no][i] += 1-ocn_south_ext; /* possible one artificial j-level is added at south end */
+	  }
+
+          nwrite[0] = strlen(contact);
+	  mpp_put_var_value_block(fid, id_contact, start, nwrite, contact);
+	
+	  nwrite[0] = nxgrid;
+
+	  gdata_int = (int *)malloc(nxgrid*sizeof(int));
+	  gdata_dbl = (double *)malloc(nxgrid*sizeof(double));
+
+	  mpp_gather_field_double(naxo[na][no], atmxocn_area[na][no], gdata_dbl);
+	  if(check) {
+	    for(n=0; n<nxgrid; n++) axo_area_sum += gdata_dbl[n];
+	  }
+	  mpp_put_var_value_block(fid, id_xgrid_area, start, nwrite, gdata_dbl);
+	  mpp_gather_field_int(naxo[na][no], atmxocn_ia[na][no], gdata_int);
+	  mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, gdata_int);
+	  mpp_gather_field_int(naxo[na][no], atmxocn_io[na][no], gdata_int);
+	  mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, gdata_int);
+	  start[1] = 1;
+	  mpp_gather_field_int(naxo[na][no], atmxocn_ja[na][no], gdata_int);
+	  mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, gdata_int);
+	  mpp_gather_field_int(naxo[na][no], atmxocn_jo[na][no], gdata_int);
+	  mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, gdata_int);
+	  if(interp_order == 2) {
+	    start[1] = 0;
+  	    mpp_gather_field_double(naxo[na][no], atmxocn_dia[na][no], gdata_dbl);
+	    mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, gdata_dbl);
+	    mpp_gather_field_double(naxo[na][no], atmxocn_dio[na][no], gdata_dbl);
+	    mpp_put_var_value_block(fid, id_tile2_dist, start, nwrite, gdata_dbl);
+	    start[1] = 1;
+  	    mpp_gather_field_double(naxo[na][no], atmxocn_dja[na][no], gdata_dbl);
+	    mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, gdata_dbl);
+	    mpp_gather_field_double(naxo[na][no], atmxocn_djo[na][no], gdata_dbl);
+	    mpp_put_var_value_block(fid, id_tile2_dist, start, nwrite, gdata_dbl);
+	  }
+	  mpp_close(fid);
+     	  free(gdata_int);
+	  free(gdata_dbl);
+	  ++nfile_axo;
+	}
+      } /* end of no loop */
+      
+    } /* end of na loop */
+
+    /*release the memory */
+    for(na=0; na<ntile_atm; na++) {
+      for(nl=0; nl<ntile_lnd; nl++) {
+	free(atmxlnd_area[na][nl]);
+	free(atmxlnd_ia  [na][nl]);
+	free(atmxlnd_ja  [na][nl]);
+	free(atmxlnd_il  [na][nl]);
+	free(atmxlnd_jl  [na][nl]);
+	if(interp_order == 2) {
+	  free(atmxlnd_clon[na][nl]);
+	  free(atmxlnd_clat[na][nl]);
+	  free(atmxlnd_dia [na][nl]);
+	  free(atmxlnd_dja [na][nl]);
+	  free(atmxlnd_dil [na][nl]);
+	  free(atmxlnd_djl [na][nl]);
+	}
+      }
+      free(atmxlnd_area[na]);
+      free(atmxlnd_ia  [na]);
+      free(atmxlnd_ja  [na]);
+      free(atmxlnd_il  [na]);
+      free(atmxlnd_jl  [na]);
+      if(interp_order == 2) {
+	free(atmxlnd_clon[na]);
+	free(atmxlnd_clat[na]);
+	free(atmxlnd_dia [na]);
+	free(atmxlnd_dja [na]);
+	free(atmxlnd_dil [na]);
+	free(atmxlnd_djl [na]);
+      }
+      for(no=0; no<ntile_ocn; no++) {
+	free(atmxocn_area[na][no]);
+	free(atmxocn_ia  [na][no]);
+	free(atmxocn_ja  [na][no]);
+	free(atmxocn_io  [na][no]);
+	free(atmxocn_jo  [na][no]);
+	if(interp_order == 2) {
+	  free(atmxocn_clon[na][no]);
+	  free(atmxocn_clat[na][no]);
+	  free(atmxocn_dia [na][no]);
+	  free(atmxocn_dja [na][no]);
+	  free(atmxocn_dio [na][no]);
+	  free(atmxocn_djo [na][no]);
+	}
+      }
+      free(atmxocn_area[na]);
+      free(atmxocn_ia  [na]);
+      free(atmxocn_ja  [na]);
+      free(atmxocn_io  [na]);
+      free(atmxocn_jo  [na]);
+      if(interp_order == 2) {
+	free(atmxocn_clon[na]);
+	free(atmxocn_clat[na]);
+	free(atmxocn_dia [na]);
+	free(atmxocn_dja [na]);
+	free(atmxocn_dio [na]);
+	free(atmxocn_djo [na]);
+      }
+      free(naxl[na]);
+      free(naxo[na]);
+    }    
+    free(atmxlnd_area);
+    free(atmxlnd_ia  );
+    free(atmxlnd_ja  );
+    free(atmxlnd_il  );
+    free(atmxlnd_jl  );
+    free(atmxocn_area);
+    free(atmxocn_ia  );
+    free(atmxocn_ja  );
+    free(atmxocn_io  );
+    free(atmxocn_jo  );   
+    if(interp_order == 2) {
+      free(atmxlnd_clon);
+      free(atmxlnd_clat);
+      free(atmxlnd_dja );
+      free(atmxlnd_dia );
+      free(atmxlnd_dil );
+      free(atmxlnd_djl );
+      free(atmxocn_clon);
+      free(atmxocn_clat);
+      free(atmxocn_dia );
+      free(atmxocn_dja );
+      free(atmxocn_dio );
+      free(atmxocn_djo );
+    }
+    free(naxl);
+    free(naxo);
+  }
+  if(mpp_pe() == mpp_root_pe()) printf("\nNOTE from make_coupler_mosaic: Complete the process to create exchange grids "
+				       "for fluxes between atmosphere and surface (sea ice and land)\n" );
+  
+  /***************************************************************************************
+     Then generate the exchange grid between land mosaic and ocean mosaic
+     if land mosaic is different from atmos mosaic
+  ***************************************************************************************/
+  nfile_lxo = 0;
+  if( !lnd_same_as_atm ) {
+    int     no, nl, ll, lo;
+    size_t  **nlxo;
+    int     ***lndxocn_il, ***lndxocn_jl, ***lndxocn_io, ***lndxocn_jo;
+    double  ***lndxocn_area, ***lndxocn_dil, ***lndxocn_djl, ***lndxocn_dio, ***lndxocn_djo;
+    double  ***lndxocn_clon, ***lndxocn_clat;
+    double  min_area;
+
+    nlxo         = (size_t ** )malloc(ntile_lnd*sizeof(size_t * ));
+    lndxocn_area = (double ***)malloc(ntile_lnd*sizeof(double **));
+    lndxocn_il   = (int    ***)malloc(ntile_lnd*sizeof(int    **));
+    lndxocn_jl   = (int    ***)malloc(ntile_lnd*sizeof(int    **));
+    lndxocn_io   = (int    ***)malloc(ntile_lnd*sizeof(int    **));
+    lndxocn_jo   = (int    ***)malloc(ntile_lnd*sizeof(int    **));
+    if(interp_order == 2) {
+      lndxocn_dil  = (double ***)malloc(ntile_lnd*sizeof(double **));
+      lndxocn_djl  = (double ***)malloc(ntile_lnd*sizeof(double **));
+      lndxocn_dio  = (double ***)malloc(ntile_lnd*sizeof(double **));
+      lndxocn_djo  = (double ***)malloc(ntile_lnd*sizeof(double **));
+      lndxocn_clon = (double ***)malloc(ntile_lnd*sizeof(double **));
+      lndxocn_clat = (double ***)malloc(ntile_lnd*sizeof(double **));
+    }
+    for(nl=0; nl<ntile_lnd; nl++) {
+      nlxo        [nl] = (size_t * )malloc(ntile_ocn*sizeof(size_t  ));
+      lndxocn_area[nl] = (double **)malloc(ntile_ocn*sizeof(double *));
+      lndxocn_il  [nl] = (int    **)malloc(ntile_ocn*sizeof(int    *));
+      lndxocn_jl  [nl] = (int    **)malloc(ntile_ocn*sizeof(int    *));
+      lndxocn_io  [nl] = (int    **)malloc(ntile_ocn*sizeof(int    *));
+      lndxocn_jo  [nl] = (int    **)malloc(ntile_ocn*sizeof(int    *));
+      if(interp_order == 2) {
+	lndxocn_dil [nl] = (double **)malloc(ntile_ocn*sizeof(double *));
+	lndxocn_djl [nl] = (double **)malloc(ntile_ocn*sizeof(double *));
+	lndxocn_dio [nl] = (double **)malloc(ntile_ocn*sizeof(double *));
+	lndxocn_djo [nl] = (double **)malloc(ntile_ocn*sizeof(double *));
+	lndxocn_clon[nl] = (double **)malloc(ntile_ocn*sizeof(double *));
+	lndxocn_clat[nl] = (double **)malloc(ntile_ocn*sizeof(double *));
+      }
+      for(no=0; no<ntile_ocn; no++) {
+	lndxocn_area[nl][no] = (double *)malloc(MAXXGRID*sizeof(double));
+	lndxocn_il  [nl][no] = (int    *)malloc(MAXXGRID*sizeof(int   ));
+	lndxocn_jl  [nl][no] = (int    *)malloc(MAXXGRID*sizeof(int   ));
+	lndxocn_io  [nl][no] = (int    *)malloc(MAXXGRID*sizeof(int   ));
+	lndxocn_jo  [nl][no] = (int    *)malloc(MAXXGRID*sizeof(int   ));          
+	if(interp_order == 2 ) {  
+	  lndxocn_dil[nl][no]  = (double *)malloc(MAXXGRID*sizeof(double));
+	  lndxocn_djl[nl][no]  = (double *)malloc(MAXXGRID*sizeof(double));
+	  lndxocn_dio[nl][no]  = (double *)malloc(MAXXGRID*sizeof(double));
+	  lndxocn_djo[nl][no]  = (double *)malloc(MAXXGRID*sizeof(double));
+	  lndxocn_clon[nl][no] = (double *)malloc(MAXXGRID*sizeof(double *));
+	  lndxocn_clat[nl][no] = (double *)malloc(MAXXGRID*sizeof(double *));
+	}
+      }
+    }
+ 
+    for(nl=0; nl<ntile_lnd; nl++) {
+      int      il, jl, io, jo, is, ie, js, je, layout[2];
+      int      n0, n1, n2, n3, nl_in, no_in, n_out, nxgrid;
+      double   xarea, xctrlon, xctrlat;
+      double   xl_min, yl_min, xo_min, yo_min, xl_avg;
+      double   xl_max, yl_max, xo_max, yo_max;
+      double   xl[MV], yl[MV], xo[MV], yo[MV], x_out[MV], y_out[MV];
+      domain2D Dom;
+
+      for(no=0; no<ntile_ocn; no++) nlxo[nl][no] = 0;
+      
+      layout[0] = mpp_npes();
+      layout[1] = 1;
+        
+      mpp_define_domain2d(nxl[nl]*nyl[nl], 1, layout, 0, 0, &Dom);
+      mpp_get_compute_domain2d(Dom, &is, &ie, &js, &je );
+      for(ll=is;ll<=ie;ll++) {
+	il = ll%nxl[nl];
+	jl = ll/nxl[nl];
+	n0 = jl    *(nxl[nl]+1) + il;
+	n1 = jl    *(nxl[nl]+1) + il+1;
+	n2 = (jl+1)*(nxl[nl]+1) + il+1;
+	n3 = (jl+1)*(nxl[nl]+1) + il;
+	xl[0] = xlnd[nl][n0]; yl[0] = ylnd[nl][n0];
+	xl[1] = xlnd[nl][n1]; yl[1] = ylnd[nl][n1];
+	xl[2] = xlnd[nl][n2]; yl[2] = ylnd[nl][n2];
+	xl[3] = xlnd[nl][n3]; yl[3] = ylnd[nl][n3];
+	yl_min  = minval_double(4, yl);
+	yl_max  = maxval_double(4, yl);
+	nl_in   = fix_lon(xl, yl, 4, M_PI);
+	xl_min  = minval_double(nl_in, xl);
+	xl_max  = maxval_double(nl_in, xl);
+	xl_avg  = avgval_double(nl_in, xl);      
+	for(no=0; no<ntile_ocn; no++) {
+	  for(jo = 0; jo < nyo[no]; jo++) for(io = 0; io < nxo[no]; io++) if(omask[no][jo*nxo[no]+io] > 0.5) {	
+	    n0 = jo    *(nxo[no]+1) + io;
+	    n1 = jo    *(nxo[no]+1) + io+1;
+	    n2 = (jo+1)*(nxo[no]+1) + io+1;
+	    n3 = (jo+1)*(nxo[no]+1) + io;
+	    xo[0] = xocn[no][n0]; yo[0] = yocn[no][n0];
+	    xo[1] = xocn[no][n1]; yo[1] = yocn[no][n1];
+	    xo[2] = xocn[no][n2]; yo[2] = yocn[no][n2];
+	    xo[3] = xocn[no][n3]; yo[3] = yocn[no][n3];
+	    yo_min = minval_double(4, yo);
+	    yo_max = maxval_double(4, yo);
+            if(yo_min >= yl_max || yo_max <= yl_min ) continue;	    
+	    no_in  = fix_lon(xo, yo, 4, xl_avg);
+	    xo_min = minval_double(no_in, xo);
+	    xo_max = maxval_double(no_in, xo);
+	    /* xo should in the same range as xa after lon_fix, so no need to
+	       consider cyclic condition
+	    */
+	    if(xl_min >= xo_max || xl_max <= xo_min ) continue;
+	    if (  (n_out = clip_2dx2d( xl, yl, nl_in, xo, yo, no_in, x_out, y_out )) > 0 ){
+	      xarea = poly_area(x_out, y_out, n_out );
+	      min_area = min(area_ocn[no][jo*nxo[no]+io], area_lnd[nl][ll] );
+	      if(xarea/min_area > AREA_RATIO_THRESH ) {
+		lndxocn_area[nl][no][nlxo[nl][no]] = xarea;
+		lndxocn_io[nl][no][nlxo[nl][no]]   = io;
+		lndxocn_jo[nl][no][nlxo[nl][no]]   = jo;
+		lndxocn_il[nl][no][nlxo[nl][no]]   = il;
+		lndxocn_jl[nl][no][nlxo[nl][no]]   = jl;
+		if(interp_order == 2) {
+		  lndxocn_clon[nl][no][nlxo[nl][no]] = poly_ctrlon ( x_out, y_out, n_out, xl_avg);
+		  lndxocn_clat[nl][no][nlxo[nl][no]] = poly_ctrlat ( x_out, y_out, n_out );
+		}
+		++(nlxo[nl][no]);
+		if(nlxo[nl][no] > MAXXGRID) mpp_error("nlxo is greater than MAXXGRID, increase MAXXGRID");
+	      }
+	    }
+	  } /* end of io, jo loop */
+	} 
+      } /* end of ll( or il, jl) loop */
+      mpp_delete_domain2d(&Dom);
+    }/* for(nl=0; nl<ntile_lnd; nl++) */
+
+    /* calculate the centroid of model grid. */
+    if(interp_order == 2) {
+      double *l_area, *l_clon, *l_clat;
+      double **o_area, **o_clon, **o_clat;
+ 
+      o_area = (double **)malloc(ntile_ocn*sizeof(double *));
+      o_clon = (double **)malloc(ntile_ocn*sizeof(double *));
+      o_clat = (double **)malloc(ntile_ocn*sizeof(double *));
+      for(no =0; no<ntile_ocn; no++) {
+	o_area[no] = (double *)malloc(nxo[no]*nyo[no]*sizeof(double));
+	o_clon[no] = (double *)malloc(nxo[no]*nyo[no]*sizeof(double));
+	o_clat[no] = (double *)malloc(nxo[no]*nyo[no]*sizeof(double));
+	for(lo=0; lo<nxo[no]*nyo[no]; lo++) {
+	  o_area[no][lo] = 0;
+	  o_clon[no][lo] = 0;
+	  o_clat[no][lo] = 0;
+	}
+      }
+
+      for(nl=0; nl<ntile_lnd; nl++) {
+	l_area = (double *)malloc(nxl[nl]*nyl[nl]*sizeof(double));
+	l_clon = (double *)malloc(nxl[nl]*nyl[nl]*sizeof(double));
+	l_clat = (double *)malloc(nxl[nl]*nyl[nl]*sizeof(double));
+	for(ll=0; ll<nxl[nl]*nyl[nl]; ll++) {
+	  l_area[ll] = 0;
+	  l_clon[ll] = 0;
+	  l_clat[ll] = 0;
+	}
+
+	for(no=0; no<ntile_ocn; no++) {
+	  int nxgrid;
+	  nxgrid = nlxo[nl][no];
+	  mpp_sum_int(1, &nxgrid);
+	  if(nxgrid > 0) {
+	    double *g_area, *g_clon, *g_clat;
+	    int    *g_il,   *g_jl,   *g_io, *g_jo;
+	    int    ii;
+	    g_il = (int    *)malloc(nxgrid*sizeof(int   ));
+	    g_jl = (int    *)malloc(nxgrid*sizeof(int   ));
+	    g_io = (int    *)malloc(nxgrid*sizeof(int   ));
+	    g_jo = (int    *)malloc(nxgrid*sizeof(int   ));	
+	    g_area = (double *)malloc(nxgrid*sizeof(double));
+	    g_clon = (double *)malloc(nxgrid*sizeof(double));
+	    g_clat = (double *)malloc(nxgrid*sizeof(double));
+	    mpp_gather_field_int   (nlxo[nl][no], lndxocn_il[nl][no], g_il);
+	    mpp_gather_field_int   (nlxo[nl][no], lndxocn_jl[nl][no], g_jl);
+	    mpp_gather_field_int   (nlxo[nl][no], lndxocn_io[nl][no], g_io);
+	    mpp_gather_field_int   (nlxo[nl][no], lndxocn_jo[nl][no], g_jo);
+	    mpp_gather_field_double(nlxo[nl][no], lndxocn_area[nl][no], g_area);
+	    mpp_gather_field_double(nlxo[nl][no], lndxocn_clon[nl][no], g_clon);
+	    mpp_gather_field_double(nlxo[nl][no], lndxocn_clat[nl][no], g_clat);
+	    for(i=0; i<nxgrid; i++) {	      
+	      ii = g_jl[i]*nxl[nl]+g_il[i];
+	      l_area[ii] += g_area[i];
+	      l_clon[ii] += g_clon[i];
+	      l_clat[ii] += g_clat[i];
+	      ii = g_jo[i]*nxo[no]+g_io[i];
+	      o_area[no][ii] += g_area[i];
+	      o_clon[no][ii] += g_clon[i];
+	      o_clat[no][ii] += g_clat[i];
+	    }
+	    free(g_il);
+	    free(g_jl);
+	    free(g_io);
+	    free(g_jo);
+	    free(g_area);
+	    free(g_clon);
+	    free(g_clat);
+	  }
+	}
+	for(ll=0; ll<nxl[nl]*nyl[nl]; ll++) {
+	  if(l_area[ll] > 0) {
+	    l_clon[ll] /= l_area[ll];
+	    l_clat[ll] /= l_area[ll];
+	  }
+	}
+	/* substract land centroid to get the centroid distance between land grid and exchange grid. */
+	for(no=0; no<ntile_ocn; no++) {
+	  for(i=0; i<nlxo[nl][no]; i++) {
+	    ll = lndxocn_jl[nl][no][i]*nxl[nl] + lndxocn_il[nl][no][i];
+	    lndxocn_dil[nl][no][i] = lndxocn_clon[nl][no][i]/lndxocn_area[nl][no][i] - l_clon[ll];
+	    lndxocn_djl[nl][no][i] = lndxocn_clat[nl][no][i]/lndxocn_area[nl][no][i] - l_clat[ll];
+	  }
+	}
+	
+	free(l_area);
+	free(l_clon);
+	free(l_clat);	
+      }
+
+      /* centroid distance from exchange grid to ocean grid */
+      for(no=0; no<ntile_ocn; no++) {
+	for(lo=0; lo<nxo[no]*nyo[no]; lo++) {
+	  if(o_area[no][lo] > 0) {
+	    o_clon[no][lo] /= o_area[no][lo];
+	    o_clat[no][lo] /= o_area[no][lo];
+	  }
+	}
+	for(nl=0; nl<ntile_lnd; nl++) {
+	  for(i=0; i<nlxo[nl][no]; i++) {
+	    lo = lndxocn_jo[nl][no][i]*nxo[no] + lndxocn_io[nl][no][i];
+	    lndxocn_dio[nl][no][i] = lndxocn_clon[nl][no][i]/lndxocn_area[nl][no][i] - o_clon[no][lo];
+	    lndxocn_djo[nl][no][i] = lndxocn_clat[nl][no][i]/lndxocn_area[nl][no][i] - o_clat[no][lo];
+	  }
+	}
+	free(o_area[no]);
+	free(o_clon[no]);
+	free(o_clat[no]);
+      }
+
+      free(o_area);
+      free(o_clon);
+      free(o_clat);
+    }
+
+    /* write out lndXocn data */
+    for(nl = 0; nl < ntile_lnd; nl++) {
+       for(no = 0; no < ntile_ocn; no++) {
+	 int nxgrid;
+	 
+	/* get total number of exchange grid on all the pes */
+	 nxgrid = nlxo[nl][no];
+	mpp_sum_int(1, &nxgrid);
+	
+	if(nxgrid >0) {
+	  size_t start[4], nwrite[4];
+	  int *gdata_int;
+	  double *gdata_dbl;
+	  
+	  char contact[STRING];
+	  int fid, dim_string, dim_ncells, dim_two, dims[4];
+	  int id_contact, id_xgrid_area, n;
+	  int id_tile1_cell, id_tile2_cell, id_tile1_dist, id_tile2_dist;
+
+	  for(i=0; i<4; i++) {
+	    start[i] = 0; nwrite[i] = 1;
+	  }	  	  
+	  
+	  if(same_mosaic)
+	    sprintf(lxo_file[nfile_lxo], "lnd_%s_%sXocn_%s_%s.nc", lmosaic_name, ltile_name[nl], omosaic_name, otile_name[no]);
+	  else
+	    sprintf(lxo_file[nfile_lxo], "%s_%sX%s_%s.nc", lmosaic_name, ltile_name[nl], omosaic_name, otile_name[no]);
+	  sprintf(contact, "%s:%s::%s:%s", lmosaic_name, ltile_name[nl], omosaic_name, otile_name[no]);
+
+	  fid = mpp_open(lxo_file[nfile_lxo], MPP_WRITE);
+	  mpp_def_global_att(fid, "grid_version", grid_version);
+          mpp_def_global_att(fid, "code_version", tagname);
+	  mpp_def_global_att(fid, "history", history);
+	  dim_string = mpp_def_dim(fid, "string", STRING);
+	  dim_ncells = mpp_def_dim(fid, "ncells", nxgrid);
+	  dim_two    = mpp_def_dim(fid, "two", 2);
+	  if(interp_order == 2) {
+	    id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 7, "standard_name", "grid_contact_spec",
+				     "contact_type", "exchange", "parent1_cell",
+				     "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area", 
+				     "distant_to_parent1_centroid", "tile1_distance", "distant_to_parent2_centroid", "tile2_distance");
+	  }
+	  else {
+	    id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 5, "standard_name", "grid_contact_spec",
+				     "contact_type", "exchange", "parent1_cell",
+				     "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area" );
+	  }
+	  dims[0] = dim_ncells; dims[1] = dim_two;
+	  id_tile1_cell = mpp_def_var(fid, "tile1_cell", MPP_INT, 2, dims, 1, "standard_name", "parent1_cell_indices");
+	  id_tile2_cell = mpp_def_var(fid, "tile2_cell", MPP_INT, 2, dims, 1, "standard_name", "parent2_cell_indices");
+	  id_xgrid_area = mpp_def_var(fid, "xgrid_area", MPP_DOUBLE, 1, &dim_ncells, 2, "standard_name",
+				      "exchange_grid_area", "units", "m2");
+
+	  if(interp_order == 2) {
+	    id_tile1_dist = mpp_def_var(fid, "tile1_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent1_cell_centroid");
+	    id_tile2_dist = mpp_def_var(fid, "tile2_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent2_cell_centroid");
+	  }
+	  mpp_end_def(fid);
+
+	  /* the index will start from 1, instead of 0 ( fortran index) */
+	  for(i = 0;i < nlxo[nl][no]; i++) {
+	    ++(lndxocn_il[nl][no][i]);
+	    ++(lndxocn_jl[nl][no][i]);
+	    ++(lndxocn_io[nl][no][i]);
+	    lndxocn_jo[nl][no][i] += 1 - ocn_south_ext; /* one artificial j-level may be added in the south end */
+	  }
+
+	  nwrite[0] = strlen(contact);
+	  mpp_put_var_value_block(fid, id_contact, start, nwrite, contact);
+	  nwrite[0] = nxgrid;
+
+	  gdata_int = (int *)malloc(nxgrid*sizeof(int));
+	  gdata_dbl = (double *)malloc(nxgrid*sizeof(double));
+
+	  mpp_gather_field_double(nlxo[nl][no], lndxocn_area[nl][no], gdata_dbl);
+	  mpp_put_var_value(fid, id_xgrid_area, gdata_dbl);
+	  mpp_gather_field_int(nlxo[nl][no], lndxocn_il[nl][no], gdata_int);
+	  mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, gdata_int);
+	  mpp_gather_field_int(nlxo[nl][no], lndxocn_io[nl][no], gdata_int);
+	  mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, gdata_int);
+	  start[1] = 1;
+	  mpp_gather_field_int(nlxo[nl][no], lndxocn_jl[nl][no], gdata_int);
+	  mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, gdata_int);
+	  mpp_gather_field_int(nlxo[nl][no], lndxocn_jo[nl][no], gdata_int);
+	  mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, gdata_int);
+	  if(interp_order == 2) {
+	    start[1] = 0;
+  	    mpp_gather_field_double(nlxo[nl][no], lndxocn_dil[nl][no], gdata_dbl);
+	    mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, gdata_dbl);
+	    mpp_gather_field_double(nlxo[nl][no], lndxocn_dio[nl][no], gdata_dbl);
+	    mpp_put_var_value_block(fid, id_tile2_dist, start, nwrite, gdata_dbl);
+	    start[1] = 1;
+  	    mpp_gather_field_double(nlxo[nl][no], lndxocn_djl[nl][no], gdata_dbl);
+	    mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, gdata_dbl);
+	    mpp_gather_field_double(nlxo[nl][no], lndxocn_djo[nl][no], gdata_dbl);
+	    mpp_put_var_value_block(fid, id_tile2_dist, start, nwrite, gdata_dbl);
+	  }
+	  mpp_close(fid);
+	  free(gdata_int);
+	  free(gdata_dbl);
+	  ++nfile_lxo;
+	}
+       } /* for(no=0; no<ntile_ocn; no++) */
+    } /* for(nl=0; nl<ntile_lnd; nl++) */
+
+    /* release the memory */
+    for(nl=0; nl<ntile_lnd; nl++) {
+      for(no=0; no<ntile_ocn; no++) {
+	free(lndxocn_area[nl][no]);
+	free(lndxocn_il  [nl][no]);
+	free(lndxocn_jl  [nl][no]);
+	free(lndxocn_io  [nl][no]);
+	free(lndxocn_jo  [nl][no]);
+	if(interp_order == 2) {
+	  free(lndxocn_clon[nl][no]);
+	  free(lndxocn_clat[nl][no]);
+	  free(lndxocn_dil [nl][no]);
+	  free(lndxocn_djl [nl][no]);
+	  free(lndxocn_dio [nl][no]);
+	  free(lndxocn_djo [nl][no]);
+	}
+      }
+      free(lndxocn_area[nl]);
+      free(lndxocn_il  [nl]);
+      free(lndxocn_jl  [nl]);
+      free(lndxocn_io  [nl]);
+      free(lndxocn_jo  [nl]);
+      if(interp_order == 2) {
+	free(lndxocn_clon[nl]);
+	free(lndxocn_clat[nl]);
+	free(lndxocn_dil [nl]);
+	free(lndxocn_djl [nl]);
+	free(lndxocn_dio [nl]);
+	free(lndxocn_djo [nl]);
+      }
+      free(nlxo[nl]);
+    }
+    free(nlxo);
+    free(lndxocn_area);
+    free(lndxocn_il  );
+    free(lndxocn_jl  );
+    free(lndxocn_io  );
+    free(lndxocn_jo  );   
+    if(interp_order == 2) {
+      free(lndxocn_clon);
+      free(lndxocn_clat);
+      free(lndxocn_dil );
+      free(lndxocn_djl );
+      free(lndxocn_dio );
+      free(lndxocn_djo );
+    }
+
+    if(mpp_pe() == mpp_root_pe()) printf("\nNOTE from make_coupler_mosaic: Complete the process to create exchange grids "
+					 "for runoff between land and sea ice.\n" );
+  }
+  else {
+    nfile_lxo = nfile_axo;
+    for(i=0; i<nfile_axo; i++) strcpy(lxo_file[i], axo_file[i]);
+    if(mpp_pe() == mpp_root_pe()) printf("\nNOTE from make_coupler_mosaic: Since lmosaic is the same as amosaic, "
+					 "no need to compute the exchange grid between lmosaic and omosaic, "
+					 "simply use the exchange grid between amosaic and omosaic.\n");    
+  }
+
+  if(mpp_pe() == mpp_root_pe()) {
+    int n, i;
+    double axo_area_frac;
+    double axl_area_frac;
+    double tiling_area;
+    double *atm_area;
+    double atm_area_sum;
+
+    if(check) {
+      /* for cubic grid, when number of model points is odd, some grid cell area will be negative,
+	 need to think about how to solve this issue in the future */
+      /*      atm_area_sum = 4*M_PI*RADIUS*RADIUS; */
+      atm_area_sum = 0;
+      for(n=0; n<ntile_atm; n++) {
+	atm_area = (double *)malloc(nxa[n]*nya[n]*sizeof(double));
+	get_grid_area(&nxa[n], &nya[n], xatm[n], yatm[n], atm_area);
+	for(i=0; i<nxa[n]*nya[n]; i++) atm_area_sum += atm_area[i];
+	free(atm_area);
+      }
+      axo_area_frac = axo_area_sum/atm_area_sum*100;
+      axl_area_frac = axl_area_sum/atm_area_sum*100;
+      tiling_area   = (atm_area_sum-axo_area_sum-axl_area_sum)/atm_area_sum*100;    
+      printf("\nNOTE: axo_area_sum is %f and ocean fraction is %f%%\n", axo_area_sum, axo_area_frac);
+      printf("NOTE: axl_area_sum is %f and land  fraction is %f%%\n", axl_area_sum, axl_area_frac);
+      printf("NOTE: tiling error is %f%%\n", tiling_area );
+    }
+  }
+  
+  /*Fianlly create the coupler mosaic file mosaic_name.nc */
+  {
+    int fid, dim_string, dim_axo, dim_lxo, dim_axl, dims[4], n;
+    size_t start[4], nwrite[4];
+    int id_lmosaic_dir, id_lmosaic_file, id_omosaic_dir, id_omosaic_file;
+    int id_amosaic_dir, id_amosaic_file, id_otopog_dir, id_otopog_file;
+    int id_xgrids_dir, id_axo_file, id_lxo_file, id_axl_file;
+    int id_amosaic, id_lmosaic, id_omosaic;
+    
+    fid = mpp_open(mosaic_file, MPP_WRITE);
+    mpp_def_global_att(fid, "grid_version", grid_version);
+    mpp_def_global_att(fid, "code_version", tagname);
+    mpp_def_global_att(fid, "history", history);
+    dim_string = mpp_def_dim(fid, "string", STRING);
+    dim_axo = mpp_def_dim(fid, "nfile_aXo", nfile_axo);
+    dim_axl = mpp_def_dim(fid, "nfile_aXl", nfile_axl);
+    dim_lxo = mpp_def_dim(fid, "nfile_lXo", nfile_lxo);
+    id_amosaic_dir  = mpp_def_var(fid, "atm_mosaic_dir", MPP_CHAR, 1, &dim_string,
+				  1, "standard_name", "directory_storing_atmosphere_mosaic");
+    id_amosaic_file = mpp_def_var(fid, "atm_mosaic_file", MPP_CHAR, 1, &dim_string,
+				  1, "standard_name", "atmosphere_mosaic_file_name");
+    id_amosaic      = mpp_def_var(fid, "atm_mosaic", MPP_CHAR, 1, &dim_string,
+				  1, "standard_name", "atmosphere_mosaic_name");
+    id_lmosaic_dir  = mpp_def_var(fid, "lnd_mosaic_dir", MPP_CHAR, 1, &dim_string,
+				  1, "standard_name", "directory_storing_land_mosaic");
+    id_lmosaic_file = mpp_def_var(fid, "lnd_mosaic_file", MPP_CHAR, 1, &dim_string,
+				  1, "standard_name", "land_mosaic_file_name");
+    id_lmosaic      = mpp_def_var(fid, "lnd_mosaic", MPP_CHAR, 1, &dim_string,
+				  1, "standard_name", "land_mosaic_name");        
+    id_omosaic_dir  = mpp_def_var(fid, "ocn_mosaic_dir", MPP_CHAR, 1, &dim_string,
+				  1, "standard_name", "directory_storing_ocean_mosaic");
+    id_omosaic_file = mpp_def_var(fid, "ocn_mosaic_file", MPP_CHAR, 1, &dim_string,
+				  1, "standard_name", "ocean_mosaic_file_name");
+    id_omosaic      = mpp_def_var(fid, "ocn_mosaic", MPP_CHAR, 1, &dim_string,
+				  1, "standard_name", "ocean_mosaic_name");    
+    id_otopog_dir   = mpp_def_var(fid, "ocn_topog_dir", MPP_CHAR, 1, &dim_string,
+				  1, "standard_name", "directory_storing_ocean_topog");
+    id_otopog_file  = mpp_def_var(fid, "ocn_topog_file", MPP_CHAR, 1, &dim_string,
+				  1, "standard_name", "ocean_topog_file_name");
+    /* since exchange grid is created in this tool, we may add command line option to specify where to store the output */
+    /*    id_xgrids_dir = mpp_def_var(fid, "xgrids_dir", MPP_CHAR, 1, &dim_string,
+	  1, "standard_name", "directory_storing_xgrids"); */
+    dims[0] = dim_axo; dims[1] = dim_string;
+    id_axo_file = mpp_def_var(fid, "aXo_file", MPP_CHAR, 2, dims, 1, "standard_name", "atmXocn_exchange_grid_file");
+    dims[0] = dim_axl; dims[1] = dim_string;
+    id_axl_file = mpp_def_var(fid, "aXl_file", MPP_CHAR, 2, dims, 1, "standard_name", "atmXlnd_exchange_grid_file");
+    dims[0] = dim_lxo; dims[1] = dim_string;
+    id_lxo_file = mpp_def_var(fid, "lXo_file", MPP_CHAR, 2, dims, 1, "standard_name", "lndXocn_exchange_grid_file");
+    mpp_end_def(fid);
+    for(i=0; i<4; i++) { start[i] = 0; nwrite[i] = 1; }
+    
+    nwrite[0] = strlen(amosaic_dir);
+    mpp_put_var_value_block(fid, id_amosaic_dir, start, nwrite, amosaic_dir);
+    nwrite[0] = strlen(amosaic_file);
+    mpp_put_var_value_block(fid, id_amosaic_file, start, nwrite, amosaic_file);
+    nwrite[0] = strlen(amosaic_name);
+    mpp_put_var_value_block(fid, id_amosaic, start, nwrite, amosaic_name);
+    nwrite[0] = strlen(lmosaic_dir);
+    mpp_put_var_value_block(fid, id_lmosaic_dir, start, nwrite, lmosaic_dir);
+    nwrite[0] = strlen(lmosaic_file);
+    mpp_put_var_value_block(fid, id_lmosaic_file, start, nwrite, lmosaic_file);
+    nwrite[0] = strlen(lmosaic_name);
+    mpp_put_var_value_block(fid, id_lmosaic, start, nwrite, lmosaic_name);
+    nwrite[0] = strlen(omosaic_dir);
+    mpp_put_var_value_block(fid, id_omosaic_dir, start, nwrite, omosaic_dir);
+    nwrite[0] = strlen(omosaic_file);
+    mpp_put_var_value_block(fid, id_omosaic_file, start, nwrite, omosaic_file);
+    nwrite[0] = strlen(omosaic_name);
+    mpp_put_var_value_block(fid, id_omosaic, start, nwrite, omosaic_name);
+    nwrite[0] = strlen(otopog_dir);
+    mpp_put_var_value_block(fid, id_otopog_dir, start, nwrite, otopog_dir);
+    nwrite[0] = strlen(otopog_file);
+    mpp_put_var_value_block(fid, id_otopog_file, start, nwrite, otopog_file);
+    nwrite[0] = 1;
+
+    for(n=0; n<nfile_axo; n++) {
+      start[0] = n; nwrite[1] = strlen(axo_file[n]);
+      mpp_put_var_value_block(fid, id_axo_file, start, nwrite, axo_file[n]);
+    }
+    for(n=0; n<nfile_axl; n++) {
+      start[0] = n; nwrite[1] = strlen(axl_file[n]);
+      mpp_put_var_value_block(fid, id_axl_file, start, nwrite, axl_file[n]);
+    }
+    for(n=0; n<nfile_lxo; n++) {
+      start[0] = n; nwrite[1] = strlen(lxo_file[n]);
+      mpp_put_var_value_block(fid, id_lxo_file, start, nwrite, lxo_file[n]);
+    }    
+    mpp_close(fid);
+  }
+  
+  if(mpp_pe()== mpp_root_pe())printf("\n***** Congratulation! You have successfully run make_coupler_mosaic\n");
+  mpp_end();
+
+  return 0;
+  
+} /* main */
+
+
diff --git a/gridspec_tools_20080702/tools/make_hgrid/Makefile.am b/gridspec_tools_20080702/tools/make_hgrid/Makefile.am
new file mode 100644
index 0000000..5583a38
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_hgrid/Makefile.am
@@ -0,0 +1,45 @@
+## This is an automake file, part of Unidata's NetCDF CF Library
+## package. Copyright 2009, see the COPYRIGHT file for more
+## information.
+
+# This automake file is in charge of building the gridspec make_hgrid
+# tools.
+
+# $Id: Makefile.am,v 1.3 2009/04/04 11:22:53 ed Exp $
+
+bin_PROGRAMS = make_hgrid gs_make_hgrid
+make_hgrid_SOURCES = make_hgrid.c create_conformal_cubic_grid.c		\
+create_gnomonic_cubic_grid.c create_grid_from_file.c create_hgrid.h	\
+create_lonlat_grid.c
+gs_make_hgrid_SOURCES = gs_make_hgrid.c create_conformal_cubic_grid.c	\
+create_gnomonic_cubic_grid.c create_grid_from_file.c create_hgrid.h	\
+create_lonlat_grid.c
+
+# Initalize these.
+AM_CPPFLAGS = -I../shared -I../../shared/mosaic
+AM_LDFLAGS = -L../shared -L../../shared/mosaic
+
+# If the user specified a root location for NETCDF, use it.
+if USE_NETCDF_DIR
+AM_CPPFLAGS += -I at NETCDFDIR@/include
+AM_FCFLAGS = -I at NETCDFDIR@/include
+AM_LDFLAGS += -L at NETCDFDIR@/lib
+endif
+
+# If the user specified a root location for HDF5, use it.
+if USE_HDF5_DIR
+AM_CPPFLAGS += -I at HDF5DIR@/include
+AM_LDFLAGS += -L at HDF5DIR@/lib
+endif
+
+# We need the netCDF library, of course!
+LDADD = -ltoolsshared -lshared -lnetcdf
+
+# If the user is building with netCDF-4, we also have to link to the
+# HDF5 high-level library, and the HDF5 library, and the zlib
+# compression library.
+if USE_NETCDF4
+LDADD += -lhdf5_hl -lhdf5 -lz
+endif # USE_NETCDF4
+
+
diff --git a/gridspec_tools_20080702/tools/make_hgrid/Makefile.in b/gridspec_tools_20080702/tools/make_hgrid/Makefile.in
new file mode 100644
index 0000000..f374e5d
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_hgrid/Makefile.in
@@ -0,0 +1,540 @@
+# Makefile.in generated by automake 1.10.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+ at SET_MAKE@
+
+# This automake file is in charge of building the gridspec make_hgrid
+# tools.
+
+# $Id: Makefile.am,v 1.3 2009/04/04 11:22:53 ed Exp $
+
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+bin_PROGRAMS = make_hgrid$(EXEEXT) gs_make_hgrid$(EXEEXT)
+
+# If the user specified a root location for NETCDF, use it.
+ at USE_NETCDF_DIR_TRUE@am__append_1 = -I at NETCDFDIR@/include
+ at USE_NETCDF_DIR_TRUE@am__append_2 = -L at NETCDFDIR@/lib
+
+# If the user specified a root location for HDF5, use it.
+ at USE_HDF5_DIR_TRUE@am__append_3 = -I at HDF5DIR@/include
+ at USE_HDF5_DIR_TRUE@am__append_4 = -L at HDF5DIR@/lib
+
+# If the user is building with netCDF-4, we also have to link to the
+# HDF5 high-level library, and the HDF5 library, and the zlib
+# compression library.
+ at USE_NETCDF4_TRUE@am__append_5 = -lhdf5_hl -lhdf5 -lz
+subdir = gridspec_tools_20080702/tools/make_hgrid
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/m4/libtool.m4 \
+	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
+	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
+	$(top_srcdir)/acinclude.m4 $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h $(top_builddir)/nfconfig.inc
+CONFIG_CLEAN_FILES =
+am__installdirs = "$(DESTDIR)$(bindir)"
+binPROGRAMS_INSTALL = $(INSTALL_PROGRAM)
+PROGRAMS = $(bin_PROGRAMS)
+am_gs_make_hgrid_OBJECTS = gs_make_hgrid.$(OBJEXT) \
+	create_conformal_cubic_grid.$(OBJEXT) \
+	create_gnomonic_cubic_grid.$(OBJEXT) \
+	create_grid_from_file.$(OBJEXT) create_lonlat_grid.$(OBJEXT)
+gs_make_hgrid_OBJECTS = $(am_gs_make_hgrid_OBJECTS)
+gs_make_hgrid_LDADD = $(LDADD)
+am__DEPENDENCIES_1 =
+gs_make_hgrid_DEPENDENCIES = $(am__DEPENDENCIES_1)
+am_make_hgrid_OBJECTS = make_hgrid.$(OBJEXT) \
+	create_conformal_cubic_grid.$(OBJEXT) \
+	create_gnomonic_cubic_grid.$(OBJEXT) \
+	create_grid_from_file.$(OBJEXT) create_lonlat_grid.$(OBJEXT)
+make_hgrid_OBJECTS = $(am_make_hgrid_OBJECTS)
+make_hgrid_LDADD = $(LDADD)
+make_hgrid_DEPENDENCIES = $(am__DEPENDENCIES_1)
+DEFAULT_INCLUDES = -I. at am__isrc@ -I$(top_builddir)
+depcomp = $(SHELL) $(top_srcdir)/depcomp
+am__depfiles_maybe = depfiles
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
+	--mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
+	$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+CCLD = $(CC)
+LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
+	--mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \
+	$(LDFLAGS) -o $@
+SOURCES = $(gs_make_hgrid_SOURCES) $(make_hgrid_SOURCES)
+DIST_SOURCES = $(gs_make_hgrid_SOURCES) $(make_hgrid_SOURCES)
+ETAGS = etags
+CTAGS = ctags
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+ACLOCAL = @ACLOCAL@
+ALLOCA = @ALLOCA@
+AMTAR = @AMTAR@
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+INSTALL = @INSTALL@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
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+PATH_SEPARATOR = @PATH_SEPARATOR@
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+SED = @SED@
+SET_MAKE = @SET_MAKE@
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+WHATIS = @WHATIS@
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+builddir = @builddir@
+datadir = @datadir@
+datarootdir = @datarootdir@
+docdir = @docdir@
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+exec_prefix = @exec_prefix@
+host = @host@
+host_alias = @host_alias@
+host_cpu = @host_cpu@
+host_os = @host_os@
+host_vendor = @host_vendor@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+lt_ECHO = @lt_ECHO@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@
+prefix = @prefix@
+prog = @prog@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+srcdir = @srcdir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+make_hgrid_SOURCES = make_hgrid.c create_conformal_cubic_grid.c		\
+create_gnomonic_cubic_grid.c create_grid_from_file.c create_hgrid.h	\
+create_lonlat_grid.c
+
+gs_make_hgrid_SOURCES = gs_make_hgrid.c create_conformal_cubic_grid.c	\
+create_gnomonic_cubic_grid.c create_grid_from_file.c create_hgrid.h	\
+create_lonlat_grid.c
+
+
+# Initalize these.
+AM_CPPFLAGS = -I../shared -I../../shared/mosaic $(am__append_1) \
+	$(am__append_3)
+AM_LDFLAGS = -L../shared -L../../shared/mosaic $(am__append_2) \
+	$(am__append_4)
+ at USE_NETCDF_DIR_TRUE@AM_FCFLAGS = -I at NETCDFDIR@/include
+
+# We need the netCDF library, of course!
+LDADD = -ltoolsshared -lshared -lnetcdf $(am__append_5)
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
+		&& exit 0; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign  gridspec_tools_20080702/tools/make_hgrid/Makefile'; \
+	cd $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign  gridspec_tools_20080702/tools/make_hgrid/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+install-binPROGRAMS: $(bin_PROGRAMS)
+	@$(NORMAL_INSTALL)
+	test -z "$(bindir)" || $(MKDIR_P) "$(DESTDIR)$(bindir)"
+	@list='$(bin_PROGRAMS)'; for p in $$list; do \
+	  p1=`echo $$p|sed 's/$(EXEEXT)$$//'`; \
+	  if test -f $$p \
+	     || test -f $$p1 \
+	  ; then \
+	    f=`echo "$$p1" | sed 's,^.*/,,;$(transform);s/$$/$(EXEEXT)/'`; \
+	   echo " $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(binPROGRAMS_INSTALL) '$$p' '$(DESTDIR)$(bindir)/$$f'"; \
+	   $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(binPROGRAMS_INSTALL) "$$p" "$(DESTDIR)$(bindir)/$$f" || exit 1; \
+	  else :; fi; \
+	done
+
+uninstall-binPROGRAMS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(bin_PROGRAMS)'; for p in $$list; do \
+	  f=`echo "$$p" | sed 's,^.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/'`; \
+	  echo " rm -f '$(DESTDIR)$(bindir)/$$f'"; \
+	  rm -f "$(DESTDIR)$(bindir)/$$f"; \
+	done
+
+clean-binPROGRAMS:
+	@list='$(bin_PROGRAMS)'; for p in $$list; do \
+	  f=`echo $$p|sed 's/$(EXEEXT)$$//'`; \
+	  echo " rm -f $$p $$f"; \
+	  rm -f $$p $$f ; \
+	done
+gs_make_hgrid$(EXEEXT): $(gs_make_hgrid_OBJECTS) $(gs_make_hgrid_DEPENDENCIES) 
+	@rm -f gs_make_hgrid$(EXEEXT)
+	$(LINK) $(gs_make_hgrid_OBJECTS) $(gs_make_hgrid_LDADD) $(LIBS)
+make_hgrid$(EXEEXT): $(make_hgrid_OBJECTS) $(make_hgrid_DEPENDENCIES) 
+	@rm -f make_hgrid$(EXEEXT)
+	$(LINK) $(make_hgrid_OBJECTS) $(make_hgrid_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+ at AMDEP_TRUE@@am__include@ @am__quote at ./$(DEPDIR)/create_conformal_cubic_grid.Po at am__quote@
+ at AMDEP_TRUE@@am__include@ @am__quote at ./$(DEPDIR)/create_gnomonic_cubic_grid.Po at am__quote@
+ at AMDEP_TRUE@@am__include@ @am__quote at ./$(DEPDIR)/create_grid_from_file.Po at am__quote@
+ at AMDEP_TRUE@@am__include@ @am__quote at ./$(DEPDIR)/create_lonlat_grid.Po at am__quote@
+ at AMDEP_TRUE@@am__include@ @am__quote at ./$(DEPDIR)/gs_make_hgrid.Po at am__quote@
+ at AMDEP_TRUE@@am__include@ @am__quote at ./$(DEPDIR)/make_hgrid.Po at am__quote@
+
+.c.o:
+ at am__fastdepCC_TRUE@	depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.o$$||'`;\
+ at am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ $< &&\
+ at am__fastdepCC_TRUE@	mv -f $$depbase.Tpo $$depbase.Po
+ at AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+ at AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+ at am__fastdepCC_FALSE@	$(COMPILE) -c -o $@ $<
+
+.c.obj:
+ at am__fastdepCC_TRUE@	depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.obj$$||'`;\
+ at am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ `$(CYGPATH_W) '$<'` &&\
+ at am__fastdepCC_TRUE@	mv -f $$depbase.Tpo $$depbase.Po
+ at AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
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+ at am__fastdepCC_FALSE@	$(COMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
+
+.c.lo:
+ at am__fastdepCC_TRUE@	depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.lo$$||'`;\
+ at am__fastdepCC_TRUE@	$(LTCOMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ $< &&\
+ at am__fastdepCC_TRUE@	mv -f $$depbase.Tpo $$depbase.Plo
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+ at am__fastdepCC_FALSE@	$(LTCOMPILE) -c -o $@ $<
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+mostlyclean-libtool:
+	-rm -f *.lo
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+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+	list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonemtpy = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	mkid -fID $$unique
+tags: TAGS
+
+TAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	tags=; \
+	here=`pwd`; \
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	if test -z "$(ETAGS_ARGS)$$tags$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	    $$tags $$unique; \
+	fi
+ctags: CTAGS
+CTAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	tags=; \
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	test -z "$(CTAGS_ARGS)$$tags$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$tags $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && cd $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) $$here
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -pR $(srcdir)/$$file $(distdir)$$dir || exit 1; \
+	    fi; \
+	    cp -pR $$d/$$file $(distdir)$$dir || exit 1; \
+	  else \
+	    test -f $(distdir)/$$file \
+	    || cp -p $$d/$$file $(distdir)/$$file \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(PROGRAMS)
+installdirs:
+	for dir in "$(DESTDIR)$(bindir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-binPROGRAMS clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
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+info: info-am
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+info-am:
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+install-data-am:
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+install-exec-am: install-binPROGRAMS
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+install-html: install-html-am
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+install-man:
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+installcheck-am:
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+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
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+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-binPROGRAMS
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+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-binPROGRAMS \
+	clean-generic clean-libtool ctags distclean distclean-compile \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-binPROGRAMS install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+	pdf pdf-am ps ps-am tags uninstall uninstall-am \
+	uninstall-binPROGRAMS
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/gridspec_tools_20080702/tools/make_hgrid/create_conformal_cubic_grid.c b/gridspec_tools_20080702/tools/make_hgrid/create_conformal_cubic_grid.c
new file mode 100644
index 0000000..b044ea7
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_hgrid/create_conformal_cubic_grid.c
@@ -0,0 +1,814 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <complex.h>
+#include <math.h>
+#include "mosaic_util.h"
+#include "tool_util.h"
+#include "constant.h"
+#include "create_hgrid.h"
+#define  D2R (M_PI/180.)
+#define  R2D (180./M_PI)
+/*********************************************************************************
+   some private routines used in this file
+*********************************************************************************/
+void calc_geocoords_centerpole(int nx, int ny, double *x, double *y);
+void conformal_map_coords2xyz ( int ni, int nj, double *lx, double *ly, double *X, double *Y, double *Z );
+void map_xyz2lonlat(int ni, int nj, double *X, double *Y, double *Z, double *lon, double *lat );
+void rotate_about_xaxis(int ni, int nj, double *X, double *Y, double *Z, double angle);
+void permutiles(int ni, int nj, double *b, int num);
+void calc_fvgrid(int nx, int ny, int nratio, double *dx, double *dy, double *area);
+double* angle_between_vectors(int ni, int nj, double *vec1, double *vec2);
+double* excess_of_quad(int ni, int nj, double *vec1, double *vec2, double *vec3, double *vec4 );
+double* plane_normal(int ni, int nj, double *P1, double *P2);
+void calc_rotation_angle(int nxp, int nyp, double *x, double *y, double *angle_dx, double *angle_dy);
+
+
+/*******************************************************************************
+  void create_conformal_cubic_grid( int *npoints, int *nratio, char *method, char *orientation, double *x,
+                          double *y, double *dx, double *dy, double *area, double *angle_dx,
+                          double *angle_dy )
+  create cubic grid. All six tiles grid will be generated.
+*******************************************************************************/
+void create_conformal_cubic_grid( int *npts, int *nratio, char *method, char *orientation, double *x,
+			double *y, double *dx, double *dy, double *area, double *angle_dx,
+			double *angle_dy )
+{
+  int nx, ny, nxp, nyp;
+
+  nx  = *npts;
+  ny  = nx;
+  nxp = nx+1;
+  nyp = nxp;
+  
+  /*calculate geographic coordinates. */
+  if(strcmp(orientation, "center_pole") == 0)
+    calc_geocoords_centerpole(nx, ny, x, y);
+  else
+    mpp_error("create_cubic_grid: only center pole orientation is implemented");  
+
+  /* calculate cell length and area */
+  calc_fvgrid(nx, ny, *nratio, dx, dy, area);  
+
+  /*calculate rotation angle, just some workaround, will modify this in the future. */
+  calc_rotation_angle(nxp, nyp, x, y, angle_dx, angle_dy );
+  
+}; /* create_conformal_cubic_grid */
+
+/***********************************************************************
+   calc_geoocoords_centerpole(int nx, int ny, double *x, double *y);
+calculate geographic coordinates for all six tiles.
+
+***********************************************************************/
+void calc_geocoords_centerpole(int nx, int ny, double *x, double *y)
+{
+  int i, j, n, m, nxp, nyp, nxh, nyh;
+  double *lx, *ly, *X, *Y, *Z, *lonP, *latP, *lonE, *latE, *tmp;
+
+  nxp = nx+1;
+  nyp = ny+1;
+  nxh = (nxp+1)/2;
+  nyh = (nyp+1)/2;  
+  
+  lx = (double *)malloc(nxh*nyh*sizeof(double));
+  ly = (double *)malloc(nxh*nyh*sizeof(double));
+
+  n = 0;
+  for(j=0; j<nyh; j++) {
+    for(i=0; i<nxh; i++) {
+      lx[n] = -1. + 2.0*i/(nxp-1);
+      ly[n++] = -1. + 2.0*j/(nyp-1);
+    }
+  } 
+
+  X = (double *)malloc(nxh*nyh*sizeof(double));
+  Y = (double *)malloc(nxh*nyh*sizeof(double));
+  Z = (double *)malloc(nxh*nyh*sizeof(double));
+
+  /* calculating 3D coordinates on unit sphere */
+  conformal_map_coords2xyz( nxh, nyh, lx, ly, X, Y, Z);
+
+  lonP = (double *) malloc(nxp*nyp*sizeof(double));
+  latP = (double *) malloc(nxp*nyp*sizeof(double));
+  lonE = (double *) malloc(nxp*nyp*sizeof(double));
+  latE = (double *) malloc(nxp*nyp*sizeof(double));
+  
+  /* map 3D coordinates to geographical coordinates. */
+  map_xyz2lonlat( nxh, nyh, X, Y, Z, lx, ly );
+
+  /* coyy data from lx, ly to lonP and latP */
+  for(j=0;j<nyh;j++) {
+    for(i=0; i<nxh; i++) {
+      lonP[j*nxp+i] = lx[j*nxh+i];
+      latP[j*nxp+i] = ly[j*nxh+i];
+    }
+  }
+
+  /* enforce symmetry */
+  for(j=0;j<nyh;j++) {
+    for(i=0; i<nxh; i++) {
+      if( i<j )
+	latP[j*nxp+i] = 0.5*(latP[j*nxp+i] + latP[i*nxp+j]);
+      else
+	latP[j*nxp+i] = latP[i*nxp+j];       
+      if(lonP[j*nxp+i] >= M_PI ) lonP[j*nxp+i] -= 2*M_PI;
+    }
+  }
+
+  tmp = (double *) malloc(nxh*nyh*sizeof(double));
+  n = 0;
+  for(j=0; j<nyh; j++)
+    for(i=0; i<nxh; i++) tmp[n++] = lonP[j*nxp+i];
+
+  for(j=0;j<nyh;j++) {  
+    for(i=0; i<nxh; i++) {
+      lonP[j*nxp+i] = (tmp[j*nxh+i]-3./2.*M_PI-tmp[i*nxh+j])*0.5;
+      if(i==j) lonP[j*nxp+i] = -3.0/4.0*M_PI;
+    }
+  }
+
+  free(tmp);
+  
+  /*use symmetry to expand to full cubic */
+  for(j=0;j<nyh;j++) {
+    for(i=nxh;i<nxp; i++) {
+      lonP[j*nxp+i] = -M_PI-lonP[j*nxp+nxp-i-1];
+      latP[j*nxp+i] = latP[j*nxp+nxp-i-1];
+    }
+  }
+
+  for(j=nyh; j<nyp; j++) {
+    for(i=0; i<nxp; i++) {
+      lonP[j*nxp+i] = -lonP[(nyp-j-1)*nxp+i];
+      latP[j*nxp+i] = latP[(nyp-j-1)*nxp+i];
+    }
+  }       
+
+  rotate_about_xaxis(nxh, nyh, X, Y, Z, M_PI/2);   
+
+  map_xyz2lonlat( nxh, nyh, X, Y, Z, lx, ly );
+
+  /* coyy data from lx, ly to lonE and latE */
+  for(j=0;j<nyh;j++) {
+    for(i=0; i<nxh; i++) {
+      lonE[j*nxp+i] = lx[j*nxh+i];
+      latE[j*nxp+i] = ly[j*nxh+i];
+    }
+  }
+  
+  free(lx);
+  free(ly);
+  
+  /* enforce symmetry */
+  for(j=0;j<nyh;j++) lonE[j*nxp] = -3./4.*M_PI;
+  for(i=0;i<nxh;i++) {
+    latE[(nyh-1)*nxp+i] = 0;
+    latE[i]    = -latP[i];
+  }
+  /*use symmetry to expand to full cube. */
+  for(j=0;j<nxh; j++) {
+    for(i=nxh;i<nxp;i++) {
+      lonE[j*nxp+i] = -M_PI-lonE[j*nxp+nxp-i-1];
+      latE[j*nxp+i] = latE[j*nxp+nxp-i-1];
+    }
+  }
+
+  for(j=nyh; j<nyp; j++) {
+    for(i=0; i<nxp; i++) {
+      lonE[j*nxp+i] = lonE[(nyp-j-1)*nxp+i];
+      latE[j*nxp+i] = -latE[(nyp-j-1)*nxp+i];
+    }
+  }      
+
+  /*convert to geographic grid */
+  n = 0;
+  /* tile 1 */
+  for(m = 0; m < nxp*nyp; m++) { 
+    x[n] = lonE[m]*R2D-90.;
+    if(x[n]<=-180.) x[n] += 360.;
+    y[n++] = latE[m]*R2D;
+  }
+
+  /* tile 2 */
+  for(m = 0; m < nxp*nyp; m++) {
+    x[n] = lonE[m]*R2D;
+    y[n++] = latE[m]*R2D;
+  }
+
+  /* tile 3 */
+  for(m = 0; m < nxp*nyp; m++) {
+    x[n] = lonP[m]*R2D;
+    y[n++] = latP[m]*R2D;
+  }
+    
+  /* tile 4 */
+  for(j=0; j<nyp; j++) {
+    for(i=0; i<nxp; i++) {
+      x[n] = lonE[i*nxp+j]*R2D+90.;
+      y[n++] = latE[(nxp-i-1)*nxp+j]*R2D;
+    }
+  }
+
+  /* tile 5 */
+  for(j=0; j<nyp; j++) {
+    for(i=0; i<nxp; i++) {
+      x[n] = lonE[i*nxp+j]*R2D+180.;
+      y[n++] = latE[(nxp-i-1)*nxp+j]*R2D;
+    }
+  }
+
+  /* tile 6 */
+  for(j=0; j<nyp; j++) {
+    for(i=0; i<nxp; i++) {
+      x[n] = lonP[(nxp-i-1)*nxp+nyp-j-1]*R2D;
+      y[n++] = -latP[j*nxp+i]*R2D;
+    }
+  }
+
+  permutiles(nxp, nyp, x,2);
+  permutiles(nxp, nyp, y,2);
+
+}; /*calc_geocords_centerpole */
+
+/*************************************************************************
+  void conformal_map_coords2xyz ( double *lx, double * ly, double *X, double *Y, double *Z )
+  Conformal mapping of a cube onto a sphere maps (lx, ly) on the north-pole face of a cube
+  to (X,Y,Z) coordinates in physical space. 
+  Face is oriented normal to Z-axis with  X and Y increasing with lx and ly
+  valid ranges:  -1 < lx < 1   -1 < ly < 1
+  Based on matlab scripts from Alistair  ???? 
+**************************************************************************/
+  
+void conformal_map_coords2xyz ( int ni, int nj, double *lx, double *ly,
+     				   double *X, double *Y, double *Z )
+{
+  const double RA = sqrt(3.)-1;
+  const double THRD = 1./3.;
+  const complex CB = -1. + I;
+  const complex CC = RA*CB/2.;
+  const int order = 29;
+  const double A[] = { 1.47713057321600,
+		       -0.38183513110512,
+		       -0.05573055466344,
+		       -0.01895884801823,
+		       -0.00791314396396,
+		       -0.00486626515498,
+		       -0.00329250387158,
+		       -0.00235482619663,
+		       -0.00175869000970,
+		       -0.00135682443774,
+		       -0.00107458043205,
+		       -0.00086946107050,
+		       -0.00071604933286,
+		       -0.00059869243613,
+		       -0.00050696402446,
+		       -0.00043418115349,
+		       -0.00037537743098,
+		       -0.00032745130951,
+		       -0.00028769063795,
+		       -0.00025464473946,
+		       -0.00022659577923,
+		       -0.00020297175587,
+		       -0.00018247947703,
+		       -0.00016510295548,
+		       -0.00014967258633,
+		       -0.00013660647356,
+		       -0.00012466390509,
+		       -0.00011468147908,
+		       -0.00010518717478,
+		       -0.00009749136078,
+  };
+  complex w, zc,a,b;
+  int i, j, n, m;
+  double xc, yc, h, t;
+  size_t *dims;
+
+  for(n=0; n< ni*nj; n++) {
+    xc = fabs(lx[n]);
+    yc = fabs(ly[n]);
+    X[n] = xc;
+    Y[n] = yc;
+    xc   = 1 - xc;
+    yc   = 1 - yc;
+    if(fabs(ly[n]) > fabs(lx[n]) ) {
+      xc = 1-Y[n];
+      yc = 1-X[n];
+    }
+    zc  = cpow((xc+I*yc)/2.,4);
+    /*Evaluate the Taylor series.  */
+    w = 0;
+
+    for(m=order; m>=0; m--) w = ( w + A[m] ) * zc;
+    if( w != 0. ) w =  cpow(I,THRD) * cpow( w*I, THRD);
+    w = (w-RA)/(CB+CC*w);
+    X[n] = creal(w);  
+    Y[n] = cimag(w);
+    h    = 2./(1+cpow(X[n],2)+cpow(Y[n],2));
+    X[n] = X[n]*h;
+    Y[n] = Y[n]*h;
+    Z[n] = h-1;
+  }
+
+  for(n=0; n< ni*nj; n++) {
+    if(fabs(ly[n]) > fabs(lx[n]) ) {
+      t = X[n];
+      X[n] = Y[n];
+      Y[n] = t;
+    }
+
+    if(lx[n]<0)  X[n] = -X[n];
+    if(lx[n]==0) X[n] = 0;
+    if(ly[n]<0)  Y[n] = -Y[n];
+    if(ly[n]==0) Y[n] = 0;
+  }
+
+}; /* conformal_map_coords2xyz */
+
+
+
+/**********************************************************
+  Convert 3-D coordinates (x,y,z) to (lon,lat)
+  Assumes "lat" is positive with "z", equatorial plane
+  falls at z=0  and "lon" is measured anti-clockwise (eastward)
+  from x-axis (y=0) about z-axis.
+
+************************************************************/
+
+void map_xyz2lonlat(int ni, int nj, double *X, double *Y, double *Z, 
+		    double *lon, double *lat )
+{
+  int i, j, n;
+  double req;
+
+  for(n=0; n<ni*nj; n++) {
+    /*latitude */
+    req = sqrt(X[n]*X[n]+Y[n]*Y[n]);
+    if( req == 0)
+      if(Z[n] == 0 )
+	lat[n] = 0.;
+      else
+        lat[n] = M_PI*0.5;
+    else
+      lat[n] = atan( Z[n]/req );
+
+    /*longitude */
+    if(X[n] == 0)
+      lon[n] = M_PI*0.5;
+    else
+      lon[n] = atan(Y[n]/X[n]);
+
+    if(X[n]<0 && Y[n] >=0) lon[n] += M_PI;
+    if(X[n]<=0 && Y[n] < 0) lon[n] -= M_PI;
+  }
+  
+};  /* map_xyz2lonlat */
+
+
+/**************************************************************
+   void rotate_about_xaxis(int ni, int nj, double *X, double *Y, 
+	              	   double *Z, double angle)
+
+   Rotate about X axis by "angle"
+
+***************************************************************/
+
+void rotate_about_xaxis(int ni, int nj, double *X, double *Y, 
+	          	double *Z, double angle) {
+  int i, j, n;
+  double s,c,old;
+  const double tolerance = 1.e-9;
+
+  s=sin(angle);
+  c=cos(angle);
+
+  if (c<tolerance) {
+    c=0;
+    if(s>0)
+      s = 1;
+    else
+      s = -1;
+  }
+
+  for(n=0; n<ni*nj; n++) {
+    old = Y[n];
+    Y[n] = c*Y[n]-s*Z[n];
+    Z[n] = s*old+c*Z[n];
+  }
+
+}; /* rotate_about_xaxis */
+
+
+/*************************************************************************
+   void permutetiles(int ni, int nj, double *b, int n)
+
+   shifts the tile data left by n places around the equator
+   n=1, tile 2->1, 4->2, 5->4, 1->5, the tiles 3 and 6 get rotated 90 degs.
+
+*************************************************************************/
+
+void permutiles(int ni, int nj, double *b, int num) {
+
+  int i, j, k, n;
+  int ntiles = 6;
+  double *c=NULL;
+  
+  c = (double *)malloc(ni*nj*ntiles*sizeof(double));
+
+  for(k=0; k<num; k++) {
+    for(j=0;j<nj;j++) {
+      for(i=0;i<ni;i++) {
+	n = j*ni+i;
+	c[n]         = b[ni*nj+n];
+	c[ni*nj+n]   = b[3*ni*nj+i*ni+nj-j-1];
+	c[2*ni*nj+n] = b[2*ni*nj+i*ni+nj-j-1];
+	c[3*ni*nj+n] = b[4*ni*nj+n];
+	c[4*ni*nj+n] = b[(ni-i-1)*ni+j];
+	c[5*ni*nj+n] = b[5*ni*nj+(ni-i-1)*ni+j];
+      }
+    }
+    for(n=0; n<ni*nj*ntiles; n++) b[n] = c[n];
+  }
+
+  free(c);
+};  /* permutiles */
+
+/*************************************************************************
+
+     calc_fvgrid( lx, vector ly, vector dxl, vector dyl, vector areal)
+
+     Calculates finite volume grid info (dxl,dyl,areal) for conformal cubic grid 
+     with 3-D coordinates (X, Y, Z)
+     Meant to be used for single quadrant of tile but does work for full tile
+
+**************************************************************************/
+
+void calc_fvgrid(int nx, int ny, int nratio, double *dx, double *dy, double *area)
+{
+  int nxf, nyf, nif, njf, nxp, nyp, nxh, nyh, i, j, n, m;
+  double ar;
+  double *lx, *ly, *X, *Y, *Z, *vec1, *vec2, *vec3, *vec4, *dxl, *dyl, *areal;
+  size_t *dims;
+  
+  nxp = nx+1;
+  nyp = ny+1;
+  nxh = (nxp+1)/2;
+  nyh = (nyp+1)/2;
+
+  nxf = nx*nratio+1;
+  nyf = nxf; 
+  nif = (nxf+1)/2;
+  njf = nif;
+
+  lx = (double *)malloc(nif*njf*sizeof(double));
+  ly = (double *)malloc(nif*njf*sizeof(double));
+
+  n = 0;
+  for(j=0; j<njf; j++) {
+    for(i=0; i<nif; i++) {
+      lx[n] = -1. + 2.0*i/(nxf-1);
+      ly[n++] = -1. + 2.0*j/(nyf-1);
+    }
+  } 
+
+  X = (double *)malloc(nif*njf*sizeof(double));
+  Y = (double *)malloc(nif*njf*sizeof(double));
+  Z = (double *)malloc(nif*njf*sizeof(double));
+
+ /* calculating 3D coordinates on unit sphere */
+  conformal_map_coords2xyz( nif, njf, lx, ly, X, Y, Z);
+
+  vec1  = (double *)malloc((nif-1)*njf*3*sizeof(double));
+  vec2  = (double *)malloc((nif-1)*njf*3*sizeof(double));
+
+  for(j=0;j<njf;j++) {
+    for(i=0;i<nif-1;i++) {
+      n = j*(nif-1)+i;
+      vec1[n] = X[j*nif+i];
+      vec2[n] = X[j*nif+i+1];
+      vec1[(nif-1)*njf+n] = Y[j*nif+i];
+      vec2[(nif-1)*njf+n] = Y[j*nif+i+1];
+      vec1[2*(nif-1)*njf+n] = Z[j*nif+i];
+      vec2[2*(nif-1)*njf+n] = Z[j*nif+i+1];
+    }
+  }
+  
+  dxl = angle_between_vectors( nif-1, njf, vec1, vec2);
+
+  free(vec1);
+  free(vec2);
+
+  vec1  = (double *)malloc(nif*(njf-1)*3*sizeof(double));
+  vec2  = (double *)malloc(nif*(njf-1)*3*sizeof(double));
+
+  for(j=0;j<njf-1;j++) {
+    for(i=0;i<nif;i++) {
+      n = j*nif+i;
+      vec1[n] = X[j*nif+i];
+      vec2[n] = X[(j+1)*nif+i];
+      vec1[nif*(njf-1)+n] = Y[j*nif+i];
+      vec2[nif*(njf-1)+n] = Y[(j+1)*nif+i];
+      vec1[2*nif*(njf-1)+n] = Z[j*nif+i];
+      vec2[2*nif*(njf-1)+n] = Z[(j+1)*nif+i];
+    }
+  }  
+
+  dyl = angle_between_vectors( nif, njf-1, vec1, vec2);
+  
+  free(vec1);
+  free(vec2);
+
+  vec1  = (double *)malloc((nif-1)*(njf-1)*3*sizeof(double));
+  vec2  = (double *)malloc((nif-1)*(njf-1)*3*sizeof(double)); 
+  vec3  = (double *)malloc((nif-1)*(njf-1)*3*sizeof(double));
+  vec4  = (double *)malloc((nif-1)*(njf-1)*3*sizeof(double)); 
+
+  for(j=0;j<njf-1;j++) {
+    for(i=0;i<nif-1;i++) {
+      n = j*(nif-1)+i;
+      vec1[n] = X[j*nif+i];
+      vec2[n] = X[j*nif+i+1];
+      vec3[n] = X[(j+1)*nif+i+1];
+      vec4[n] = X[(j+1)*nif+i];
+      vec1[(nif-1)*(njf-1)+n] = Y[j*nif+i];
+      vec2[(nif-1)*(njf-1)+n] = Y[j*nif+i+1];
+      vec3[(nif-1)*(njf-1)+n] = Y[(j+1)*nif+i+1];
+      vec4[(nif-1)*(njf-1)+n] = Y[(j+1)*nif+i];
+      vec1[2*(nif-1)*(njf-1)+n] = Z[j*nif+i];
+      vec2[2*(nif-1)*(njf-1)+n] = Z[j*nif+i+1];
+      vec3[2*(nif-1)*(njf-1)+n] = Z[(j+1)*nif+i+1];
+      vec4[2*(nif-1)*(njf-1)+n] = Z[(j+1)*nif+i];
+    }
+  }  
+
+  areal = excess_of_quad( nif-1, njf-1, vec1, vec2, vec3, vec4);
+  free(vec1);
+  free(vec2);
+  free(vec3);
+  free(vec4);  
+
+  /*Force some symmetry (probably does nothing) */
+  for(j=0; j<njf; j++) {
+    for(i=0; i<nif-1; i++) dxl[j*(nif-1)+i] = (dxl[j*(nif-1)+i]+dyl[i*nif+j])*0.5;
+  }
+
+  for(j=0; j<njf-1; j++) {
+    for(i=0; i<nif; i++) dyl[j*nif+i] = dxl[i*(nif-1)+j];
+  }
+
+  for(j=0; j<njf-1; j++) {
+    for(i=0; i<nif-1; i++) {
+      if(j<i) 
+	areal[j*(nif-1)+i] = (areal[j*(nif-1)+i]+areal[i*(nif-1)+j])*0.5;
+      else if(j>i)
+        areal[j*(nif-1)+i] = areal[i*(nif-1)+j];
+    }
+  }
+
+  /* Use symmetry to fill second octant */
+  for(j=1; j<njf; j++) {
+    for(i=0; i<j; i++) {
+      dxl[j*(nif-1)+i] = dyl[i*nif+j];
+    }
+  }
+
+  for(j=1; j<njf-1; j++) {
+    for(i=0; i<j; i++) {
+      areal[j*(nif-1)+i] = areal[i*(nif-1)+j];
+    }
+  }
+
+  /* copy data from fine grid to super grid. */
+  
+  for(j=0;j<nyh;j++) {
+    for(i=0;i<nxh-1;i++) {
+      ar = 0;
+      for(n=0;n<nratio;n++) ar = ar + dxl[j*nratio*(nif-1)+i*nratio+n];
+      dx[j*nx+i] = ar*RADIUS;
+    }
+  }
+    
+  for(j=0;j<nyh-1;j++) {
+    for(i=0;i<nxh-1;i++) {
+      ar = 0;
+      for(n=0; n<nratio; n++) 
+	for(m=0; m<nratio; m++) ar += areal[(j*nratio+n)*(nif-1)+i*nratio+m];
+      area[j*nx+i] = ar*RADIUS*RADIUS;
+    }
+  }
+  
+  /*use reflection symmetry of quadrants to fill face. */
+  for(j=0;j<nyh; j++) {
+    for(i=nxh-1; i<nx; i++) {
+      dx[j*nx+i] = dx[j*nx+nxp-i-2];
+    }
+  }
+
+  for(j=nyh;j<nyp; j++) {
+    for(i=0; i<nx; i++) {
+      dx[j*nx+i] = dx[(ny-j)*nx+i];
+    }
+  }
+
+  for(j=0;j<nyh-1; j++) {
+    for(i=nxh-1; i<nx; i++) {
+      area[j*nx+i]   = area[j*nx+nxp-i-2];
+    }
+  }
+
+  for(j=nyh-1;j<ny; j++) {
+    for(i=0; i<nx; i++) {
+      area[j*ny+i]   = area[(nyp-j-2)*nx+i];
+    }
+  }
+
+  /* copy dx to dy */
+  for(j=0;j<ny;j++) 
+    for(i=0;i<nxp;i++) dy[j*nxp+i] =  dx[i*nx+j] ;
+
+}; /* calc_fvgrid */
+
+
+/******************************************************************************* 
+   array<double>* angle_between_vectors(array<double> vec1, array<double> vec2)
+*******************************************************************************/
+
+double* angle_between_vectors(int ni, int nj, double *vec1, double *vec2) {
+  int n;
+  double vector_prod, nrm1, nrm2;
+  double *angle;
+  
+  angle = (double *)malloc(ni*nj*sizeof(double));
+
+  for(n=0; n<ni*nj; n++) {
+    vector_prod=vec1[n]*vec2[n] + vec1[ni*nj+n]*vec2[ni*nj+n] + vec1[2*ni*nj+n]*vec2[2*ni*nj+n];
+      nrm1=pow(vec1[n],2)+pow(vec1[ni*nj+n],2)+pow(vec1[2*ni*nj+n],2);
+      nrm2=pow(vec2[n],2)+pow(vec2[ni*nj+n],2)+pow(vec2[2*ni*nj+n],2);
+      angle[n] = acos( vector_prod/sqrt(nrm1*nrm2) );
+  }
+  return angle;
+}; /* angle_between_vectors */
+
+/*****************************************************************
+   double* excess_of_quad(int ni, int nj, double *vec1, double *vec2, 
+                          double *vec3, double *vec4 )
+*******************************************************************/
+double* excess_of_quad(int ni, int nj, double *vec1, double *vec2, double *vec3, double *vec4 )
+{
+  int n;
+  double ang12, ang23, ang34, ang41;
+  double *excess, *plane1, *plane2, *plane3, *plane4;
+  double *angle12, *angle23, *angle34, *angle41;
+  
+  excess = (double *)malloc(ni*nj*sizeof(double));
+
+  plane1=plane_normal(ni, nj, vec1, vec2);
+  plane2=plane_normal(ni, nj, vec2, vec3);
+  plane3=plane_normal(ni, nj, vec3, vec4);
+  plane4=plane_normal(ni, nj, vec4, vec1);
+  angle12=angle_between_vectors(ni, nj, plane2,plane1);
+  angle23=angle_between_vectors(ni, nj, plane3,plane2);
+  angle34=angle_between_vectors(ni, nj, plane4,plane3);
+  angle41=angle_between_vectors(ni, nj, plane1,plane4);
+
+  for(n=0; n<ni*nj; n++) {
+    ang12 = M_PI-angle12[n];
+    ang23 = M_PI-angle23[n];
+    ang34 = M_PI-angle34[n];
+    ang41 = M_PI-angle41[n];
+    excess[n] = ang12+ang23+ang34+ang41-2*M_PI;
+  }
+
+  free(plane1);
+  free(plane2);
+  free(plane3);
+  free(plane4);
+  free(angle12);
+  free(angle23);
+  free(angle34);
+  free(angle41);
+  
+  return excess;
+
+}; /* excess_of_quad */
+
+/***********************************************************************
+   double* plane_normal(int ni, int nj, double *P1, double *P2)
+***********************************************************************/
+
+double* plane_normal(int ni, int nj, double *P1, double *P2)
+{
+  int i, j, n;
+  double p1, p2, p3, mag;
+  double *plane;
+  
+  plane = (double *)malloc(ni*nj*3*sizeof(double));
+
+  for(j=0;j<nj;j++) {
+    for(i=0;i<ni;i++) {
+      n = j*ni + i;
+      p1 = P1[ni*nj+n] * P2[2*ni*nj+n] - P1[2*ni*nj+n] * P2[ni*nj+n];
+      p2 = P1[2*ni*nj+n] * P2[n] - P1[n] * P2[2*ni*nj+n];
+      p3 = P1[n] * P2[ni*nj+n] - P1[ni*nj+n] * P2[n];
+      mag=sqrt(pow(p1,2) + pow(p2,2) + pow(p3,2));
+      plane[n]=p1/mag;
+      plane[ni*nj+n]=p2/mag;
+      plane[2*ni*nj+n]=p3/mag;
+    }
+  }
+
+  return plane;
+
+};
+
+/******************************************************************
+
+  void calc_rotation_angle()
+
+******************************************************************/
+
+void calc_rotation_angle(int nxp, int nyp, double *x, double *y, double *angle_dx, double *angle_dy)
+{
+  int ip1, im1, jp1, jm1, tp1, tm1, i, j, n, ntiles, nx, ny;
+  double lon_scale;
+
+  nx = nxp - 1;
+  ny = nyp - 1;
+  ntiles = 6;
+  for(n=0; n<ntiles; n++) {
+    for(j=0; j<nyp; j++) {
+      for(i=0; i<nxp; i++) {
+	lon_scale = cos(y[n*nxp*nyp+j*nxp+i]*D2R);
+	tp1 = n;
+	tm1 = n;
+	ip1 = i+1;
+	im1 = i-1;
+	jp1 = j;
+	jm1 = j;
+
+        if(ip1 >= nxp) {  /* find the neighbor tile. */
+	  if(n % 2 == 0) { /* tile 1, 3, 5 */
+	    tp1 = n+1;
+	    ip1 = 0;
+	  }
+	  else { /* tile 2, 4, 6 */
+	    tp1 = n+2;
+	    if(tp1 >= ntiles) tp1 -= ntiles;
+	    ip1 = ny-j-1;
+	    jp1 = 0;
+	  }
+	}        
+        if(im1 < 0) {  /* find the neighbor tile. */
+	  if(n % 2 == 0) { /* tile 1, 3, 5 */
+	    tm1 = n-2;
+	    if(tm1 < 0) tm1 += ntiles;
+	    jm1 = ny;
+	    im1 = nx-j;
+	  }
+	  else { /* tile 2, 4, 6 */
+	    tm1 = n-1;
+	    im1 = nx;
+	  }
+	}
+
+	angle_dx[n*nxp*nyp+j*nxp+i] = atan2(y[tp1*nxp*nyp+jp1*nxp+ip1]-y[tm1*nxp*nyp+jm1*nxp+im1],
+					    (x[tp1*nxp*nyp+jp1*nxp+ip1]-x[tm1*nxp*nyp+jm1*nxp+im1])*lon_scale )*R2D;
+	tp1 = n;
+	tm1 = n;
+	ip1 = i;
+	im1 = i;
+	jp1 = j+1;
+	jm1 = j-1;
+        if(jp1 >=nyp) {  /* find the neighbor tile. */
+	  if(n % 2 == 0) { /* tile 1, 3, 5 */
+	    tp1 = n+2;
+	    if(tp1 >= ntiles) tp1 -= ntiles;
+	    jp1 = nx-i;
+	    ip1 = 0;
+	  }
+	  else { /* tile 2, 4, 6 */
+	    tp1 = n+1;
+	    if(tp1 >= ntiles) tp1 -= ntiles;
+	    jp1 = 0;
+	  }
+	}        
+        if(jm1 < 0) {  /* find the neighbor tile. */
+	  if(n % 2 == 0) { /* tile 1, 3, 5 */
+	    tm1 = n-1;
+	    if(tm1 < 0) tm1 += ntiles;
+	    jm1 = ny;
+	  }
+	  else { /* tile 2, 4, 6 */
+	    tm1 = n-2;
+	    if(tm1 < 0) tm1 += ntiles;
+	    im1 = nx;
+	    jm1 = nx-i;
+	  }
+	}	
+
+	angle_dy[n*nxp*nyp+j*nxp+i] = atan2(y[tp1*nxp*nyp+jp1*nxp+ip1]-y[tm1*nxp*nyp+jm1*nxp+im1],
+					    (x[tp1*nxp*nyp+jp1*nxp+ip1]-x[tm1*nxp*nyp+jm1*nxp+im1])*lon_scale )*R2D;
+      }
+    }
+  }
+
+}; /* calc_rotation_angle */
+ 
diff --git a/gridspec_tools_20080702/tools/make_hgrid/create_gnomonic_cubic_grid.c b/gridspec_tools_20080702/tools/make_hgrid/create_gnomonic_cubic_grid.c
new file mode 100644
index 0000000..8d37c16
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_hgrid/create_gnomonic_cubic_grid.c
@@ -0,0 +1,907 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+#include "constant.h"
+#include "mosaic_util.h"
+#include "tool_util.h"
+#include "create_hgrid.h"
+#define  D2R (M_PI/180.)
+#define  R2D (180./M_PI)
+#define  EPSLN (1.e-10)
+
+/* private subroutines */
+void gnomonic_ed  (int ni, double* lamda, double* theta);
+void gnomonic_angl(int ni, double* lamda, double* theta);
+void gnomonic_dist(int ni, double* lamda, double* theta);
+void cartesian_to_spherical(double x, double y, double z, double *lon, double *lat, double *r);
+void spherical_to_cartesian(double lon, double lat, double r, double *x, double *y, double *z);
+void symm_ed(int ni, double *lamda, double *theta);
+void mirror_grid(int ni, int ntiles, double *x, double *y );
+void mirror_latlon(double lon1, double lat1, double lon2, double lat2, double lon0,
+		   double lat0, double *lon, double *lat);
+void rot_3d(int axis, double x1in, double y1in, double z1in, double angle, double *x2out,
+	    double *y2out, double *z2out, int degrees, int convert);
+double excess_of_quad2(const double *vec1, const double *vec2, const double *vec3, const double *vec4 );
+double angle_between_vectors2(const double *vec1, const double *vec2);
+void plane_normal2(const double *P1, const double *P2, double *plane);
+void calc_rotation_angle2(int nxp, double *x, double *y, double *angle_dx, double *angle_dy);
+void cell_center(int ni, const double *lonc, const double *latc, double *lont, double *latt);
+void cell_east(int ni, const double *lonc, const double *latc, double *lone, double *late);
+void cell_north(int ni, const double *lonc, const double *latc, double *lonn, double *latn);
+/*******************************************************************************
+  void create_gnomonic_cubic_grid( int *npoints, int *nratio, char *method, char *orientation, double *x,
+                          double *y, double *dx, double *dy, double *area, double *angle_dx,
+                          double *angle_dy )
+  create nomomic cubic grid. All six tiles grid will be generated.
+*******************************************************************************/
+void create_gnomonic_cubic_grid( char* grid_type, int *npts, double *x, double *y,
+				double *dx, double *dy, double *area, double *angle_dx,
+			        double *angle_dy )
+{
+  const int ntiles = 6;
+  int nx, nxp, ni, nip;
+  int i, j, n;
+  double p1[2], p2[2];
+  double p_ll[2], p_ul[2], p_lr[2], p_ur[2], ar;
+  double *lon, *lat;
+  double *xc, *yc, *xt, *yt;
+  double *xe, *ye, *xn, *yn;
+  
+  nx  = *npts;
+  if( nx%2 ) mpp_error("create_gnomonic_cubic_grid: supergrid size should be divided by 2");
+  ni  = nx/2;
+  nip = ni + 1;
+  nxp = nx+1;
+
+  lon = (double *)malloc(nip*nip*sizeof(double));
+  lat = (double *)malloc(nip*nip*sizeof(double));
+  
+  if(strcmp(grid_type, "gnomonic_ed")==0 )
+    gnomonic_ed(  ni, lon, lat);
+  else if(strcmp(grid_type,"gnomonic_dist")==0)
+    gnomonic_dist(ni, lon, lat);
+  else if(strcmp(grid_type,"gnomonic_angl")==0)
+    gnomonic_angl(ni, lon, lat);
+  else mpp_error("create_gnomonic_cubic_grid: grid type should be 'gnomonic_ed', "
+		 "'gnomonic_dist' or 'gnomonic_angl'");
+
+  symm_ed(ni, lon, lat);
+
+  xc = (double *)malloc(ntiles*nip*nip*sizeof(double));
+  yc = (double *)malloc(ntiles*nip*nip*sizeof(double));
+  xt = (double *)malloc(ntiles*ni *ni *sizeof(double));
+  yt = (double *)malloc(ntiles*ni *ni *sizeof(double));
+  xe = (double *)malloc(ntiles*nip*ni *sizeof(double));
+  ye = (double *)malloc(ntiles*nip*ni *sizeof(double));
+  xn = (double *)malloc(ntiles*ni *nip*sizeof(double));
+  yn = (double *)malloc(ntiles*ni *nip*sizeof(double));
+  
+  for(j=0; j<nip; j++) {
+    for(i=0; i<nip; i++) {
+      xc[j*nip+i] = lon[j*nip+i] - M_PI;
+      yc[j*nip+i] = lat[j*nip+i];
+    }
+  }
+  
+  /* mirror_grid assumes that the tile=1 is centered on equator
+     and greenwich meridian Lon[-pi,pi]  */
+  mirror_grid(ni, ntiles, xc, yc);
+
+  for(n=0; n<ntiles*nip*nip; n++) {
+#ifndef NO_SHIFT_WEST
+    /* This will result in the corner close to east coast of china */
+    xc[n] -= M_PI/18.;
+#endif    
+    if(xc[n] < 0.) xc[n] += 2.*M_PI;
+    if(fabs(xc[n]) < EPSLN) xc[n] = 0;
+    if(fabs(yc[n]) < EPSLN) yc[n] = 0;
+  }
+      
+  /* ensure consistency on the boundary between tiles */
+  for(j=0; j<nip; j++) {
+    xc[  nip*nip+j*nip] = xc[j*nip+ni];                 /* 1E -> 2W */
+    yc[  nip*nip+j*nip] = yc[j*nip+ni];                 /* 1E -> 2W */
+    xc[2*nip*nip+j*nip] = xc[ni*nip+ni-j];              /* 1N -> 3W */
+    yc[2*nip*nip+j*nip] = yc[ni*nip+ni-j];              /* 1N -> 3W */      
+  }
+  for(i=0; i<nip; i++) {
+    xc[4*nip*nip+ni*nip+i] = xc[(ni-i)*nip];            /* 1W -> 5N */
+    yc[4*nip*nip+ni*nip+i] = yc[(ni-i)*nip];            /* 1W -> 2N */
+    xc[5*nip*nip+ni*nip+i] = xc[i];                     /* 1S -> 6N */
+    yc[5*nip*nip+ni*nip+i] = yc[i];                     /* 1S -> 6N */      
+    xc[2*nip*nip+i]        = xc[nip*nip+ni*nip+i];      /* 2N -> 3S */
+    yc[2*nip*nip+i]        = yc[nip*nip+ni*nip+i];      /* 2N -> 3S */
+    xc[3*nip*nip+i]        = xc[nip*nip+(ni-i)*nip+ni];  /* 2E -> 4S */
+    yc[3*nip*nip+i]        = yc[nip*nip+(ni-i)*nip+ni];  /* 2E -> 4S */      
+  }
+  for(j=0; j<nip; j++) {
+    xc[5*nip*nip+j*nip+ni] = xc[nip*nip+ni-j];          /* 2S -> 6E */
+    yc[5*nip*nip+j*nip+ni] = yc[nip*nip+ni-j];          /* 2S -> 6E */  
+    xc[3*nip*nip+j*nip]    = xc[2*nip*nip+j*nip+ni];    /* 3E -> 4W */
+    yc[3*nip*nip+j*nip]    = yc[2*nip*nip+j*nip+ni];    /* 3E -> 4W */
+    xc[4*nip*nip+j*nip]    = xc[2*nip*nip+ni*nip+ni-j]; /* 3N -> 5W */
+    yc[4*nip*nip+j*nip]    = yc[2*nip*nip+ni*nip+ni-j]; /* 3N -> 5W */
+  }
+  for(i=0; i<nip; i++) {
+    xc[4*nip*nip+i] = xc[3*nip*nip+ni*nip+i];           /* 4N -> 5S */
+    yc[4*nip*nip+i] = yc[3*nip*nip+ni*nip+i];           /* 4N -> 5S */
+    xc[5*nip*nip+i] = xc[3*nip*nip+(ni-i)*nip+ni];      /* 4E -> 6S */
+    yc[5*nip*nip+i] = yc[3*nip*nip+(ni-i)*nip+ni];      /* 4E -> 6S */
+  }
+  for(j=0; j<nip; j++) {
+    xc[5*nip*nip+j*nip] = xc[4*nip*nip+j*nip+ni];    /* 5E -> 6W */
+    yc[5*nip*nip+j*nip] = yc[4*nip*nip+j*nip+ni];    /* 5E -> 6W */  
+  }
+
+  /* calculate grid box center location */
+       
+  for(n=0; n<ntiles; n++) {
+    cell_center(ni, xc+n*nip*nip, yc+n*nip*nip, xt+n*ni*ni, yt+n*ni*ni);
+    cell_east(ni, xc+n*nip*nip, yc+n*nip*nip, xe+n*nip*ni, ye+n*nip*ni);
+    cell_north(ni, xc+n*nip*nip, yc+n*nip*nip, xn+n*ni*nip, yn+n*ni*nip);
+  }
+
+  /* copy grid box vertices location into super grid */
+  for(n=0; n<ntiles; n++) for(j=0; j<nip; j++) for(i=0; i<nip; i++) {
+    x[n*nxp*nxp+j*2*nxp+i*2]=xc[n*nip*nip+j*nip+i];
+    y[n*nxp*nxp+j*2*nxp+i*2]=yc[n*nip*nip+j*nip+i];
+  }
+
+  /* copy grid box center location to super grid */
+  for(n=0; n<ntiles; n++) for(j=0; j<ni; j++) for(i=0; i<ni; i++) {
+    x[n*nxp*nxp+(j*2+1)*nxp+i*2+1]=xt[n*ni*ni+j*ni+i];
+    y[n*nxp*nxp+(j*2+1)*nxp+i*2+1]=yt[n*ni*ni+j*ni+i];
+  }  
+
+  /* copy grid box east location to super grid */
+  for(n=0; n<ntiles; n++) for(j=0; j<ni; j++) for(i=0; i<nip; i++) {
+    x[n*nxp*nxp+(j*2+1)*nxp+i*2]=xe[n*nip*ni+j*nip+i];
+    y[n*nxp*nxp+(j*2+1)*nxp+i*2]=ye[n*nip*ni+j*nip+i];
+  }  
+
+  /* copy grid box north location to super grid */
+  for(n=0; n<ntiles; n++) for(j=0; j<nip; j++) for(i=0; i<ni; i++) {
+    x[n*nxp*nxp+j*2*nxp+i*2+1]=xn[n*ni*nip+j*ni+i];
+    y[n*nxp*nxp+j*2*nxp+i*2+1]=yn[n*ni*nip+j*ni+i];
+  }  
+  
+  free(xt);
+  free(yt);
+  free(xc);
+  free(yc);  
+  free(xe);
+  free(ye);
+  free(xn);
+  free(yn);
+  
+  /* calculate grid cell length */
+  for(n=0; n<ntiles; n++) {
+    for(j=0; j<nxp; j++) {
+      for(i=0; i<nx; i++) {
+	p1[0] = x[n*nxp*nxp+j*nxp+i];
+	p1[1] = y[n*nxp*nxp+j*nxp+i];
+	p2[0] = x[n*nxp*nxp+j*nxp+i+1];
+	p2[1] = y[n*nxp*nxp+j*nxp+i+1];
+	dx[n*nx*nxp+j*nx+i] = great_circle_distance(p1, p2);
+      }
+    }
+  }
+
+  /* copy dx to dy */
+  for(n=0; n<ntiles; n++) {
+    for(j=0; j<nxp; j++) {
+      for(i=0; i<nx; i++) dy[n*nx*nxp+i*nxp+j] = dx[n*nx*nxp+j*nx+i];
+    }
+  }
+
+  /* ensure consistency on the boundaries between tiles */
+  for(j=0; j<nx; j++) {
+    dy[j*nxp]             = dx[4*nx*nxp+nx*nx+nx-j-1]; /* 5N -> 1W */
+    dy[j*nxp+nx]          = dy[nxp*nx+j*nxp];          /* 2W -> 1E */
+    dy[nxp*nx+j*nxp+nx]   = dx[3*nx*nxp+(nx-j-1)];     /* 4S -> 2E */
+    dy[2*nxp*nx+j*nxp]    = dx[nx*nx+nx-j-1];          /* 1N -> 3W */
+    dy[2*nxp*nx+j*nxp+nx] = dy[3*nxp*nx+j*nxp];        /* 4W -> 3E */
+    dy[3*nxp*nx+j*nxp+nx] = dx[5*nx*nxp+(nx-j-1)];     /* 4S -> 2E */
+    dy[4*nxp*nx+j*nxp]    = dx[2*nx*nxp+nx*nx+nx-j-1]; /* 3N -> 5W */
+    dy[4*nxp*nx+j*nxp+nx] = dy[5*nxp*nx+j*nxp];        /* 6W -> 5E */
+    dy[5*nxp*nx+j*nxp+nx] = dx[nx*nxp+(nx-j-1)];       /* 2S -> 6E */    
+  }
+
+  for(j=0; j<nx; j++) {
+    for(i=0; i<nx; i++) {
+      p_ll[0] = x[j*nxp+i];       p_ll[1] = y[j*nxp+i];
+      p_ul[0] = x[(j+1)*nxp+i];   p_ul[1] = y[(j+1)*nxp+i];
+      p_lr[0] = x[j*nxp+i+1];     p_lr[1] = y[j*nxp+i+1];
+      p_ur[0] = x[(j+1)*nxp+i+1]; p_ur[1] = y[(j+1)*nxp+i+1];
+      /* all the face have the same area */
+      ar = spherical_excess_area(p_ll, p_ul, p_lr, p_ur, RADIUS);
+      area[j*nx+i] = ar;
+      area[nx*nx+j*nx+i] = ar;
+      area[2*nx*nx+j*nx+i] = ar;
+      area[3*nx*nx+j*nx+i] = ar;
+      area[4*nx*nx+j*nx+i] = ar;
+      area[5*nx*nx+j*nx+i] = ar;        
+    }
+  }
+
+  /*calculate rotation angle, just some workaround, will modify this in the future. */
+  calc_rotation_angle2(nxp, x, y, angle_dx, angle_dy );
+
+  /* convert grid location from radians to degree */
+  for(i=0; i<nxp*nxp*ntiles; i++) {
+    x[i] = x[i]*R2D;
+    y[i] = y[i]*R2D;
+  }
+  
+}; /* void create_gnomonic_cubic_grid */
+
+
+/*-----------------------------------------------------
+      void gnomonic_ed
+  Equal distance along the 4 edges of the cubed sphere
+  -----------------------------------------------------
+  Properties: 
+  * defined by intersections of great circles
+  * max(dx,dy; global) / min(dx,dy; global) = sqrt(2) = 1.4142
+  * Max(aspect ratio) = 1.06089
+  * the N-S coordinate curves are const longitude on the 4 faces with equator 
+  For C2000: (dx_min, dx_max) = (3.921, 5.545)    in km unit
+  ! Ranges:
+  ! lamda = [0.75*pi, 1.25*pi]
+  ! theta = [-alpha, alpha]
+  --------------------------------------------------------*/
+void gnomonic_ed(int ni, double* lamda, double* theta)
+{
+
+  int i, j, n, nip;
+  double dely;
+  double *pp, *x, *y, *z;
+  double rsq3, alpha;
+
+
+  nip = ni + 1;
+  rsq3 = 1./sqrt(3.);
+  alpha = asin( rsq3 );
+
+  dely = 2.*alpha/ni;
+
+  /* Define East-West edges: */
+  for(j=0; j<nip; j++) {
+    lamda[j*nip]    = 0.75*M_PI;               /* West edge */
+    lamda[j*nip+ni] = 1.25*M_PI;               /* East edge */
+    theta[j*nip]    = -alpha + dely*j;       /* West edge */
+    theta[j*nip+ni] = theta[j*nip];          /* East edge */
+  }
+
+  /* Get North-South edges by symmetry: */
+
+  for(i=1; i<ni; i++) {
+      mirror_latlon(lamda[0], theta[0], lamda[ni*nip+ni], theta[ni*nip+ni],  
+		    lamda[i*nip], theta[i*nip], &lamda[i], &theta[i] );
+      lamda[ni*nip+i] = lamda[i];
+      theta[ni*nip+i] = -theta[i];
+  }
+
+  x = (double *)malloc(nip*nip*sizeof(double));
+  y = (double *)malloc(nip*nip*sizeof(double));
+  z = (double *)malloc(nip*nip*sizeof(double));
+  /* Set 4 corners: */
+  latlon2xyz(1, &lamda[0], &theta[0], &x[0], &y[0], &z[0]);
+  latlon2xyz(1, &lamda[ni], &theta[ni], &x[ni], &y[ni], &z[ni]);
+  latlon2xyz(1, &lamda[ni*nip], &theta[ni*nip], &x[ni*nip], &y[ni*nip], &z[ni*nip]);
+  latlon2xyz(1, &lamda[ni*nip+ni], &theta[ni*nip+ni], &x[ni*nip+ni], &y[ni*nip+ni], &z[ni*nip+ni]);
+
+  /* Map edges on the sphere back to cube:
+     Intersections at x=-rsq3   */
+
+  for(j=1; j<ni; j++) {
+    n = j*nip;
+    latlon2xyz(1, &lamda[n], &theta[n], &x[n], &y[n], &z[n]);
+    y[n] = -y[n]*rsq3/x[n];
+    z[n] = -z[n]*rsq3/x[n];
+  }
+
+  for(i=1; i<ni; i++) {
+    latlon2xyz(1, &lamda[i], &theta[i], &x[i], &y[i], &z[i]);
+    y[i] = -y[i]*rsq3/x[i];
+    z[i] = -z[i]*rsq3/x[i];
+  }    
+
+  for(j=0; j<nip; j++)
+    for(i=0; i<nip; i++) x[j*nip+i] = -rsq3;
+
+  for(j=1;j<nip; j++) {
+    for(i=1; i<nip; i++) {
+      y[j*nip+i] = y[i];
+      z[j*nip+i] = z[j*nip];
+    }
+  }
+
+  xyz2latlon(nip*nip, x, y, z, lamda, theta);
+
+}; /* gnomonic_ed */
+
+/*----------------------------------------------------------
+  void gnomonic_angl()
+  This is the commonly known equi-angular grid
+**************************************************************/
+
+void gnomonic_angl(int ni, double* lamda, double* theta)
+{
+
+
+
+}; /* gnomonic_angl */
+
+/*----------------------------------------------------------
+  void gnomonic_dist()
+  This is the commonly known equi-distance grid
+**************************************************************/
+
+void gnomonic_dist(int ni, double* lamda, double* theta)
+{
+
+
+
+}; /* gnomonic_dist */
+
+/*------------------------------------------------------------------
+        void mirror_latlon
+   Given the "mirror" as defined by (lon1, lat1), (lon2, lat2), and center 
+   of the sphere, compute the mirror image of (lon0, lat0) as  (lon, lat)
+   ---------------------------------------------------------------*/
+   
+void mirror_latlon(double lon1, double lat1, double lon2, double lat2, double lon0,
+		   double lat0, double *lon, double *lat)
+{
+  double p0[3], p1[3], p2[3], pp[3], nb[3];
+  double pdot;
+  int k;
+
+  latlon2xyz(1, &lon0, &lat0, &p0[0], &p0[1], &p0[2]);
+  latlon2xyz(1, &lon1, &lat1, &p1[0], &p1[1], &p1[2]);
+  latlon2xyz(1, &lon2, &lat2, &p2[0], &p2[1], &p2[2]);
+  vect_cross(p1, p2, nb);
+     
+  pdot = sqrt(nb[0]*nb[0]+nb[1]*nb[1]+nb[2]*nb[2]);
+  for(k=0; k<3; k++) nb[k] = nb[k]/pdot;
+
+  pdot = p0[0]*nb[0] + p0[1]*nb[1] + p0[2]*nb[2];
+  for(k=0; k<3; k++) pp[k] = p0[k] - 2*pdot*nb[k];
+  xyz2latlon(1, &pp[0], &pp[1], &pp[2], lon, lat);
+    
+}; /* mirror_latlon */
+
+/*-------------------------------------------------------------------------
+  void symm_ed(int ni, double *lamda, double *theta)
+  ! Make grid symmetrical to i=ni/2+1 and j=nj/2+1
+  ------------------------------------------------------------------------*/
+void symm_ed(int ni, double *lamda, double *theta)
+{
+  
+  int nip, i, j, ip, jp;
+  double avg;
+  
+  nip = ni+1;
+
+  for(j=1; j<nip; j++)
+    for(i=1; i<ni; i++) lamda[j*nip+i] = lamda[i];
+  
+  for(j=0; j<nip; j++) {
+    for(i=0; i<ni/2; i++) {
+      ip = ni - i;
+      avg = 0.5*(lamda[j*nip+i]-lamda[j*nip+ip]);
+      lamda[j*nip+i] = avg + M_PI;
+      lamda[j*nip+ip] = M_PI - avg;
+      avg = 0.5*(theta[j*nip+i]+theta[j*nip+ip]);
+      theta[j*nip+i] = avg;
+      theta[j*nip+ip] = avg;      
+    }
+  }
+
+  /* Make grid symmetrical to j=im/2+1 */
+  for(j = 0; j<ni/2; j++) {
+    jp = ni - j;
+    for(i=1; i<ni; i++) {
+      avg = 0.5*(lamda[j*nip+i]+lamda[jp*nip+i]);
+      lamda[j*nip+i] = avg;
+      lamda[jp*nip+i] = avg;
+      avg = 0.5*(theta[j*nip+i]-theta[jp*nip+i]);
+      theta[j*nip+i] = avg;
+      theta[jp*nip+i] = -avg;
+    }
+  }
+}/* symm_ed */
+
+/*------------------------------------------------------------------------------
+  void mirror_grid( )
+  Mirror Across the 0-longitude
+  ----------------------------------------------------------------------------*/
+void mirror_grid(int ni, int ntiles, double *x, double *y )
+{
+  int nip, i, j, ip, jp, nt;
+  double x1, y1, z1, x2, y2, z2, ang;
+
+  nip = ni+1;
+  
+  for(j=0; j<ceil(nip/2.); j++) {
+    jp = ni - j;
+    for(i=0; i<ceil(nip/2.); i++) {
+      ip = ni - i;
+      x1 = 0.25 * (fabs(x[j*nip+i]) + fabs(x[j*nip+ip]) + fabs(x[jp*nip+i]) + fabs(x[jp*nip+ip]) );
+      x[j*nip+i]   = x1 * (x[j*nip+i]   >=0 ? 1:-1);
+      x[j*nip+ip]  = x1 * (x[j*nip+ip]  >=0 ? 1:-1);
+      x[jp*nip+i]  = x1 * (x[jp*nip+i]  >=0 ? 1:-1);
+      x[jp*nip+ip] = x1 * (x[jp*nip+ip] >=0 ? 1:-1);      
+
+      y1 = 0.25 * (fabs(y[j*nip+i]) + fabs(y[j*nip+ip]) + fabs(y[jp*nip+i]) + fabs(y[jp*nip+ip]) );
+      y[j*nip+i]   = y1 * (y[j*nip+i]   >=0 ? 1:-1);
+      y[j*nip+ip]  = y1 * (y[j*nip+ip]  >=0 ? 1:-1);
+      y[jp*nip+i]  = y1 * (y[jp*nip+i]  >=0 ? 1:-1);
+      y[jp*nip+ip] = y1 * (y[jp*nip+ip] >=0 ? 1:-1);      
+      
+      /* force dateline/greenwich-meridion consitency */
+      if( nip%2 ) {
+	if( i == (nip-1)/2 ) {
+	  x[j*nip+i] = 0.0;
+	  x[jp*nip+i] = 0.0;
+	}
+      }
+    }
+  }
+
+  /* define the the other five tiles. */
+  for(nt=1; nt<ntiles; nt++) {
+    for(j=0; j<nip; j++) {
+      for(i=0; i<nip; i++) {
+	x1 = x[j*nip+i];
+	y1 = y[j*nip+i];
+	z1 = RADIUS;
+	switch (nt) {
+	case 1: /* tile 2 */
+	  ang = -90.;
+	  rot_3d( 3, x1, y1, z1, ang, &x2, &y2, &z2, 1, 1);  /* rotate about the z-axis */
+	  break;
+	case 2: /* tile 3 */
+	  ang = -90.;
+	  rot_3d( 3, x1, y1, z1, ang, &x2, &y2, &z2, 1, 1);  /* rotate about the z-axis */
+	  ang = 90.;
+	  rot_3d( 1, x2, y2, z2, ang, &x1, &y1, &z1, 1, 1); /* rotate about the z-axis */
+	  x2=x1;
+	  y2=y1;
+	  z2=z1;
+
+	  /* force North Pole and dateline/greenwich-meridion consitency */
+	  if(nip%2) {
+	    if( (i==(nip-1)/2) && (i==j) ) {
+	      x2 = 0;
+	      y2 = M_PI*0.5;
+	    }
+
+	    if( (j==(nip-1)/2) && (i<(nip-1)/2) ) x2 = 0;
+	    if( (j==(nip-1)/2) && (i>(nip-1)/2) ) x2 = M_PI;
+	  }
+	  break;
+	case 3: /* tile 4 */
+	  ang = -180.;
+	  rot_3d( 3, x1, y1, z1, ang, &x2, &y2, &z2, 1, 1); /* rotate about the z-axis */
+	  ang = 90.;
+	  rot_3d( 1, x2, y2, z2, ang, &x1, &y1, &z1, 1, 1); /* rotate about the z-axis */
+	  x2=x1;
+	  y2=y1;
+	  z2=z1;
+
+	  /* force dateline/greenwich-meridion consitency */
+	  if( nip%2 ) {
+	    if( j == (nip-1)/2 ) x2 = M_PI;
+	  }
+	  break;
+	case 4: /* tile 5 */
+	  ang = 90.;
+	  rot_3d( 3, x1, y1, z1, ang, &x2, &y2, &z2, 1, 1); /* rotate about the z-axis */
+	  ang = 90.;
+	  rot_3d( 2, x2, y2, z2, ang, &x1, &y1, &z1, 1, 1); /* rotate about the z-axis */
+	  x2=x1;
+	  y2=y1;
+	  z2=z1;
+	  break;
+	case 5: /* tile 6 */
+	  ang = 90.;
+	  rot_3d( 2, x1, y1, z1, ang, &x2, &y2, &z2, 1, 1); /* rotate about the z-axis */
+	  ang = 0.;
+	  rot_3d( 3, x2, y2, z2, ang, &x1, &y1, &z1, 1, 1); /* rotate about the z-axis */
+	  x2=x1;
+	  y2=y1;
+	  z2=z1;
+	  
+	  /* force South Pole and dateline/greenwich-meridion consitency */
+	  if(nip%2) {
+	    if( (i==(nip-1)/2) && (i==j) ) {
+	      x2 = 0;
+	      y2 = -M_PI*0.5;
+	    }
+
+	    if( (i==(nip-1)/2) && (j>(nip-1)/2) ) x2 = 0;
+	    if( (i==(nip-1)/2) && (j<(nip-1)/2) ) x2 = M_PI;
+	  }
+	  break;
+	}
+	x[nt*nip*nip+j*nip+i] = x2;
+	y[nt*nip*nip+j*nip+i] = y2;
+      }
+    }
+  }
+}; /* mirror_grid */
+
+
+/*-------------------------------------------------------------------------------
+  void rot_3d()
+  rotate points on a sphere in xyz coords (convert angle from
+  degrees to radians if necessary)
+  -----------------------------------------------------------------------------*/
+void rot_3d(int axis, double x1in, double y1in, double z1in, double angle, double *x2out,
+	    double *y2out, double *z2out, int degrees, int convert)
+{
+
+  double x1, y1, z1, x2, y2, z2, c, s;
+  
+  if(convert)
+    spherical_to_cartesian(x1in, y1in, z1in, &x1, &y1, &z1);
+  else {
+    x1=x1in;
+    y1=y1in;
+    z1=z1in;
+  }
+
+  if(degrees) angle = angle*D2R;
+
+  c = cos(angle);
+  s = sin(angle);
+
+  switch (axis) {
+  case 1:
+    x2 =  x1;
+    y2 =  c*y1 + s*z1;
+    z2 = -s*y1 + c*z1;
+    break;
+  case 2:
+    x2 = c*x1 - s*z1;
+    y2 = y1;
+    z2 = s*x1 + c*z1;
+    break;
+  case 3:
+    x2 =  c*x1 + s*y1;
+    y2 = -s*x1 + c*y1;
+    z2 = z1;
+    break;
+  default:
+    mpp_error("Invalid axis: must be 1 for X, 2 for Y, 3 for Z.");
+  }
+  
+  if(convert)
+    cartesian_to_spherical(x2, y2, z2, x2out, y2out, z2out);
+  else {
+    *x2out=x2;;
+    *y2out=y2;
+    *z2out=z2;
+    }
+} /* rot_3d */
+
+/*-------------------------------------------------------------
+  void cartesian_to_spherical(x, y, z, lon, lat, r)
+  may merge with xyz2latlon in the future
+  ------------------------------------------------------------*/
+void cartesian_to_spherical(double x, double y, double z, double *lon, double *lat, double *r)
+{
+
+  *r = sqrt(x*x + y*y + z*z);
+  if ( (fabs(x) + fabs(y)) < EPSLN )       /* poles */
+    *lon = 0.;
+  else
+    *lon = atan2(y,x);    /* range: [-pi,pi] */
+
+
+  *lat = acos(z/(*r)) - M_PI/2.;
+};/* cartesian_to_spherical */
+
+/*-------------------------------------------------------------------------------
+  void spherical_to_cartesian
+  convert from spheircal coordinates to xyz coords
+  may merge with latlon2xyz in the future
+  -----------------------------------------------------------------------------*/
+void spherical_to_cartesian(double lon, double lat, double r, double *x, double *y, double *z)
+{
+  *x = r * cos(lon) * cos(lat);
+  *y = r * sin(lon) * cos(lat);
+
+  *z = -r * sin(lat);
+} /* spherical_to_cartesian */
+
+
+/*****************************************************************
+   double* excess_of_quad(int ni, int nj, double *vec1, double *vec2, 
+                          double *vec3, double *vec4 )
+*******************************************************************/
+double excess_of_quad2(const double *vec1, const double *vec2, const double *vec3, const double *vec4 )
+{
+  double plane1[3], plane2[3], plane3[3], plane4[3];
+  double angle12, angle23, angle34, angle41, excess;
+  double ang12, ang23, ang34, ang41;
+  
+  plane_normal2(vec1, vec2, plane1);
+  plane_normal2(vec2, vec3, plane2);
+  plane_normal2(vec3, vec4, plane3);
+  plane_normal2(vec4, vec1, plane4);
+  angle12 = angle_between_vectors2(plane2,plane1);
+  angle23 = angle_between_vectors2(plane3,plane2);
+  angle34 = angle_between_vectors2(plane4,plane3);
+  angle41 = angle_between_vectors2(plane1,plane4);
+  ang12 = M_PI-angle12;
+  ang23 = M_PI-angle23;
+  ang34 = M_PI-angle34;
+  ang41 = M_PI-angle41;
+  excess = ang12+ang23+ang34+ang41-2*M_PI;
+  /*  excess = 2*M_PI - angle12 - angle23 - angle34 - angle41; */
+
+  return excess;
+
+}; /* excess_of_quad */
+
+/******************************************************************************* 
+double angle_between_vectors(const double *vec1, const double *vec2)
+*******************************************************************************/
+
+double angle_between_vectors2(const double *vec1, const double *vec2) {
+  int n;
+  double vector_prod, nrm1, nrm2;
+  double angle;
+  
+  vector_prod=vec1[0]*vec2[0] + vec1[1]*vec2[1] + vec1[2]*vec2[2];
+  nrm1=pow(vec1[0],2)+pow(vec1[1],2)+pow(vec1[2],2);
+  nrm2=pow(vec2[0],2)+pow(vec2[1],2)+pow(vec2[2],2);
+  if(nrm1*nrm2>0)
+    angle = acos( vector_prod/sqrt(nrm1*nrm2) );
+  else
+    angle = 0;
+  
+  return angle;
+}; /* angle_between_vectors */
+
+
+/***********************************************************************
+   double* plane_normal(int ni, int nj, double *P1, double *P2)
+***********************************************************************/
+
+void plane_normal2(const double *P1, const double *P2, double *plane)
+{
+  double mag;
+  
+  plane[0] = P1[1] * P2[2] - P1[2] * P2[1];
+  plane[1] = P1[2] * P2[0] - P1[0] * P2[2];
+  plane[2] = P1[0] * P2[1] - P1[1] * P2[0];
+  mag=sqrt(pow(plane[0],2) + pow(plane[1],2) + pow(plane[2],2));
+  if(mag>0) {
+    plane[0]=plane[0]/mag;
+    plane[1]=plane[1]/mag;
+    plane[2]=plane[2]/mag;
+  }
+  
+}; /* plane_normal */
+
+/******************************************************************
+
+  void calc_rotation_angle()
+
+******************************************************************/
+
+void calc_rotation_angle2(int nxp, double *x, double *y, double *angle_dx, double *angle_dy)
+{
+  int ip1, im1, jp1, jm1, tp1, tm1, i, j, n, ntiles, nx;
+  double lon_scale;
+
+  nx = nxp - 1;
+  ntiles = 6;
+  for(n=0; n<ntiles; n++) {
+    for(j=0; j<nxp; j++) {
+      for(i=0; i<nxp; i++) {
+	lon_scale = cos(y[n*nxp*nxp+j*nxp+i]*D2R);
+	tp1 = n;
+	tm1 = n;
+	ip1 = i+1;
+	im1 = i-1;
+	jp1 = j;
+	jm1 = j;
+
+        if(ip1 >= nxp) {  /* find the neighbor tile. */
+	  if(n % 2 == 0) { /* tile 1, 3, 5 */
+	    tp1 = n+1;
+	    ip1 = 0;
+	  }
+	  else { /* tile 2, 4, 6 */
+	    tp1 = n+2;
+	    if(tp1 >= ntiles) tp1 -= ntiles;
+	    ip1 = nx-j-1;
+	    jp1 = 0;
+	  }
+	}        
+        if(im1 < 0) {  /* find the neighbor tile. */
+	  if(n % 2 == 0) { /* tile 1, 3, 5 */
+	    tm1 = n-2;
+	    if(tm1 < 0) tm1 += ntiles;
+	    jm1 = nx;
+	    im1 = nx-j;
+	  }
+	  else { /* tile 2, 4, 6 */
+	    tm1 = n-1;
+	    im1 = nx;
+	  }
+	}
+
+	angle_dx[n*nxp*nxp+j*nxp+i] = atan2(y[tp1*nxp*nxp+jp1*nxp+ip1]-y[tm1*nxp*nxp+jm1*nxp+im1],
+					    (x[tp1*nxp*nxp+jp1*nxp+ip1]-x[tm1*nxp*nxp+jm1*nxp+im1])*lon_scale )*R2D;
+	tp1 = n;
+	tm1 = n;
+	ip1 = i;
+	im1 = i;
+	jp1 = j+1;
+	jm1 = j-1;
+        if(jp1 >=nxp) {  /* find the neighbor tile. */
+	  if(n % 2 == 0) { /* tile 1, 3, 5 */
+	    tp1 = n+2;
+	    if(tp1 >= ntiles) tp1 -= ntiles;
+	    jp1 = nx-i;
+	    ip1 = 0;
+	  }
+	  else { /* tile 2, 4, 6 */
+	    tp1 = n+1;
+	    if(tp1 >= ntiles) tp1 -= ntiles;
+	    jp1 = 0;
+	  }
+	}        
+        if(jm1 < 0) {  /* find the neighbor tile. */
+	  if(n % 2 == 0) { /* tile 1, 3, 5 */
+	    tm1 = n-1;
+	    if(tm1 < 0) tm1 += ntiles;
+	    jm1 = nx;
+	  }
+	  else { /* tile 2, 4, 6 */
+	    tm1 = n-2;
+	    if(tm1 < 0) tm1 += ntiles;
+	    im1 = nx;
+	    jm1 = nx-i;
+	  }
+	}	
+
+	angle_dy[n*nxp*nxp+j*nxp+i] = atan2(y[tp1*nxp*nxp+jp1*nxp+ip1]-y[tm1*nxp*nxp+jm1*nxp+im1],
+					    (x[tp1*nxp*nxp+jp1*nxp+ip1]-x[tm1*nxp*nxp+jm1*nxp+im1])*lon_scale )*R2D;
+      }
+    }
+  }
+
+}; /* calc_rotation_angle2 */
+
+
+/* This routine calculate center location based on the vertices location */
+void cell_center(int ni, const double *lonc, const double *latc, double *lont, double *latt)
+{
+
+  int    nip, i, j, p, p1, p2, p3, p4;
+  double *xc, *yc, *zc, *xt, *yt, *zt;
+  double dd;
+  
+  nip = ni+1;  
+  xc = (double *)malloc(nip*nip*sizeof(double));
+  yc = (double *)malloc(nip*nip*sizeof(double));
+  zc = (double *)malloc(nip*nip*sizeof(double));
+  xt = (double *)malloc(ni *ni *sizeof(double));
+  yt = (double *)malloc(ni *ni *sizeof(double));
+  zt = (double *)malloc(ni *ni *sizeof(double));  
+  latlon2xyz(nip*nip, lonc, latc, xc, yc, zc); 
+
+  for(j=0; j<ni; j++) for(i=0; i<ni; i++) {
+    p =  j*ni+i;
+    p1 = j*nip+i;
+    p2 = j*nip+i+1;
+    p3 = (j+1)*nip+i+1;
+    p4 = (j+1)*nip+i;
+    xt[p] = xc[p1] + xc[p2] + xc[p3] + xc[p4];
+    yt[p] = yc[p1] + yc[p2] + yc[p3] + yc[p4];
+    zt[p] = zc[p1] + zc[p2] + zc[p3] + zc[p4];
+
+    dd = sqrt(pow(xt[p],2) + pow(yt[p],2) + pow(zt[p],2) );
+    xt[p] /= dd;
+    yt[p] /= dd;
+    zt[p] /= dd;
+  }
+  xyz2latlon(ni*ni, xt, yt, zt, lont, latt);
+  free(zt);
+  free(yt);
+  free(xt);
+  free(zc);
+  free(yc);
+  free(xc);
+  
+}; /* cell_center */
+
+
+/* This routine calculate east location based on the vertices location */
+void cell_east(int ni, const double *lonc, const double *latc, double *lone, double *late)
+{
+
+  int    nip, i, j, p, p1, p2;
+  double *xc, *yc, *zc, *xe, *ye, *ze;
+  double dd;
+  
+  nip = ni+1;  
+  xc = (double *)malloc(nip*nip*sizeof(double));
+  yc = (double *)malloc(nip*nip*sizeof(double));
+  zc = (double *)malloc(nip*nip*sizeof(double));
+  xe = (double *)malloc(nip*ni *sizeof(double));
+  ye = (double *)malloc(nip*ni *sizeof(double));
+  ze = (double *)malloc(nip*ni *sizeof(double));  
+  latlon2xyz(nip*nip, lonc, latc, xc, yc, zc); 
+
+  for(j=0; j<ni; j++) for(i=0; i<nip; i++) {
+    p =  j*nip+i;
+    p1 = j*nip+i;
+    p2 = (j+1)*nip+i;
+    xe[p] = xc[p1] + xc[p2];
+    ye[p] = yc[p1] + yc[p2];
+    ze[p] = zc[p1] + zc[p2];
+
+    dd = sqrt(pow(xe[p],2) + pow(ye[p],2) + pow(ze[p],2) );
+    xe[p] /= dd;
+    ye[p] /= dd;
+    ze[p] /= dd;
+  }
+  xyz2latlon(nip*ni, xe, ye, ze, lone, late);
+  free(ze);
+  free(ye);
+  free(xe);
+  free(zc);
+  free(yc);
+  free(xc);
+  
+}; /* cell_east */
+
+
+/* This routine calculate center location based on the vertices location */
+void cell_north(int ni, const double *lonc, const double *latc, double *lonn, double *latn)
+{
+
+  int    nip, i, j, p, p1, p2;
+  double *xc, *yc, *zc, *xn, *yn, *zn;
+  double dd;
+  
+  nip = ni+1;  
+  xc = (double *)malloc(nip*nip*sizeof(double));
+  yc = (double *)malloc(nip*nip*sizeof(double));
+  zc = (double *)malloc(nip*nip*sizeof(double));
+  xn = (double *)malloc(ni *nip*sizeof(double));
+  yn = (double *)malloc(ni *nip*sizeof(double));
+  zn = (double *)malloc(ni *nip*sizeof(double));  
+  latlon2xyz(nip*nip, lonc, latc, xc, yc, zc); 
+
+  for(j=0; j<nip; j++) for(i=0; i<ni; i++) {
+    p =  j*ni+i;
+    p1 = j*nip+i;
+    p2 = j*nip+i+1;
+    xn[p] = xc[p1] + xc[p2];
+    yn[p] = yc[p1] + yc[p2];
+    zn[p] = zc[p1] + zc[p2];
+
+    dd = sqrt(pow(xn[p],2) + pow(yn[p],2) + pow(zn[p],2) );
+    xn[p] /= dd;
+    yn[p] /= dd;
+    zn[p] /= dd;
+  }
+  xyz2latlon(ni*nip, xn, yn, zn, lonn, latn);
+  free(zn);
+  free(yn);
+  free(xn);
+  free(zc);
+  free(yc);
+  free(xc);
+  
+}; /* cell_north */
diff --git a/gridspec_tools_20080702/tools/make_hgrid/create_grid_from_file.c b/gridspec_tools_20080702/tools/make_hgrid/create_grid_from_file.c
new file mode 100644
index 0000000..3dc60cc
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_hgrid/create_grid_from_file.c
@@ -0,0 +1,152 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <complex.h>
+#include <math.h>
+#include <string.h>
+#include "mosaic_util.h"
+#include "tool_util.h"
+#include "constant.h"
+#include "mpp_io.h"
+#include "create_hgrid.h"
+#define  D2R (M_PI/180.)
+#define  R2D (180./M_PI)
+
+/***********************************************************************
+  void create_grid_from_file( char *file, int *nlon, int *nlat, double *x, double *y, double *dx,
+                              double *dy, double *area, double *angle_dx )
+   the grid location is defined through ascii file. calculate cell length,
+   cell area and rotation angle  
+************************************************************************/
+void create_grid_from_file( char *file, int *nlon, int *nlat, double *x, double *y, double *dx, double *dy,
+           		    double *area, double *angle_dx )
+{
+  double *xb, *yb, *xt, *yt, *xc, *yc;
+  double p1[4], p2[4];
+  int nx, ny, nxp, nyp, ni, nj, i, j, n;
+  FILE *pFile;
+  char mesg[256], txt[128];
+  
+  /************************************************************
+     identify the grid_file is ascii file or netcdf file,
+     if the file name contains ".nc", it is a netcdf file,
+     otherwise it is ascii file.
+  *********************************************************/
+  nx  = *nlon;
+  ny  = *nlat;
+  nxp = nx + 1;
+  nyp = ny + 1;
+  if(strstr(file, ".nc") ) {
+    int fid, vid;
+
+    ni  = *nlon/2;
+    nj  = *nlat/2;
+    xc = (double *)malloc((ni+1)*(nj+1)*sizeof(double));
+    yc = (double *)malloc((ni+1)*(nj+1)*sizeof(double));
+    xt = (double *)malloc( ni   * nj   *sizeof(double));
+    yt = (double *)malloc( ni   * nj   *sizeof(double));
+    fid = mpp_open(file, MPP_READ);
+    vid = mpp_get_varid(fid, "grid_lon");
+    mpp_get_var_value(fid, vid, xc);
+    vid = mpp_get_varid(fid, "grid_lat");
+    mpp_get_var_value(fid, vid, yc);
+    vid = mpp_get_varid(fid, "grid_lont");
+    mpp_get_var_value(fid, vid, xt);
+    vid = mpp_get_varid(fid, "grid_latt");
+    mpp_get_var_value(fid, vid, yt);
+    mpp_close(fid);
+    for(j=0; j<nj+1; j++) for(i=0; i<ni+1; i++) {
+      x[j*2*nxp+i*2] = xc[j*(ni+1)+i];
+      y[j*2*nxp+i*2] = yc[j*(ni+1)+i];
+    }
+    for(j=0; j<nj; j++) for(i=0; i<ni; i++) {
+      x[(j*2+1)*nxp+i*2+1] = xt[j*ni+i];
+      y[(j*2+1)*nxp+i*2+1] = yt[j*ni+i];
+    }
+    for(j=0; j<nj+1; j++) for(i=0; i<ni; i++) {
+      x[j*2*nxp+i*2+1] = (xc[j*(ni+1)+i]+xc[j*(ni+1)+i+1])*0.5;
+      y[j*2*nxp+i*2+1] = (yc[j*(ni+1)+i]+yc[j*(ni+1)+i+1])*0.5;
+    }    
+    for(j=0; j<nj; j++) for(i=0; i<ni+1; i++) {
+      x[(j*2+1)*nxp+i*2] = (xc[j*(ni+1)+i]+xc[(j+1)*(ni+1)+i])*0.5;
+      y[(j*2+1)*nxp+i*2] = (yc[j*(ni+1)+i]+yc[(j+1)*(ni+1)+i])*0.5;
+    }
+
+    for(j=0; j<nyp; j++) for(i=0; i<nx; i++) {
+      p1[0] = x[j*nxp+i]; p2[0] = x[j*nxp+i+1];
+      p1[1] = y[j*nxp+i]; p2[1] = y[j*nxp+i+1];
+      dx[j*nx+i] = great_circle_distance(p1, p2);
+    }
+    for(j=0; j<ny; j++) for(i=0; i<nxp; i++) {
+      p1[0] = x[j*nxp+i]; p2[0] = x[(j+1)*nxp+i];
+      p1[1] = y[j*nxp+i]; p2[1] = y[(j+1)*nxp+i];
+      dy[j*nxp+i] = great_circle_distance(p1, p2);
+    }    
+    for(j=0; j<ny; j++) for(i=0; i<nx; i++) {
+      p1[0] = x[j*nxp+i]; p1[1] = x[j*nxp+i+1]; p1[2] = x[(j+1)*nxp+i+1]; p1[3] = x[(j+1)*nxp+i];
+      p2[0] = y[j*nxp+i]; p2[1] = y[j*nxp+i+1]; p2[2] = y[(j+1)*nxp+i+1]; p2[3] = y[(j+1)*nxp+i];
+      area[j*nx+i] = poly_area(p1, p2, 4);
+    }
+    /* currently set angle to 0 */
+    for(j=0; j<nyp; j++) for(i=0; i<nxp; i++) angle_dx[j*nxp+i] = 0;    
+    free(xt);
+    free(yt);
+    free(xc);
+    free(yc);
+  }
+  else {
+    pFile = fopen (file,"r");
+    if(!pFile) {
+      strcpy(mesg, "RegularSphericalGrid: Can not open ascii file ");
+      strcat(mesg,file);
+      mpp_error(mesg);
+    }
+
+    fscanf(pFile, "%s%*[^\n]",txt); /* header line (ignored) */
+    xb = (double *) malloc(nxp*sizeof(double));
+    yb = (double *) malloc(nyp*sizeof(double));
+    for(i=0;i<nxp;i++) 
+      fscanf(pFile, "%lg", xb+i); /* longitude */ 
+    fscanf(pFile, "%s%*[^\n]",txt); /* header line (ignored) */   
+    for(j=0;j<nyp;j++) fscanf(pFile, "%lg", yb+j); /* latitude */
+    
+    fclose(pFile);
+    n=0;
+    for(j=0; j<nyp; j++) {
+      for(i=0; i<nxp; i++) {
+	x[n]       = xb[i];
+	y[n]       = yb[j];
+	angle_dx[n++] = 0;   
+      }
+    }
+    /* zonal length */
+    n = 0;
+    for(j=0; j<nyp; j++) {
+      for(i=0; i<nx; i++ ) {
+	dx[n++] = spherical_dist(x[j*nxp+i], y[j*nxp+i], x[j*nxp+i+1], y[j*nxp+i+1] );
+      }
+    }
+
+    /* meridinal length */
+    n = 0;
+    for(j=0; j<ny; j++) {
+      for(i=0; i<nxp; i++ ) {
+	dy[n++] = spherical_dist(x[j*nxp+i], y[j*nxp+i], x[(j+1)*nxp+i], y[(j+1)*nxp+i] );
+      }
+    }
+
+    /* cell area */
+    n = 0;
+    for(j=0; j<ny; j++) {
+      for(i=0; i<nx; i++ ) {
+	area[n++] = box_area(x[j*nxp+i]*D2R, y[j*nxp+i]*D2R, x[(j+1)*nxp+i+1]*D2R, y[(j+1)*nxp+i+1]*D2R );
+      }
+    }
+
+    free(xb);
+    free(yb);
+  }
+}; /* create_grid_from_file */
+
+
+
+
diff --git a/gridspec_tools_20080702/tools/make_hgrid/create_hgrid.h b/gridspec_tools_20080702/tools/make_hgrid/create_hgrid.h
new file mode 100644
index 0000000..88ac844
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_hgrid/create_hgrid.h
@@ -0,0 +1,41 @@
+/*******************************************************************************
+                             create_hgrid.h
+  This header file provide interface to create different types of horizontal 
+  grid. geographical grid location, cell length, cell area and rotation
+  angle are returned. All the returned data are on supergrid.
+
+  contact: Zhi.Liang at noaa.gov
+
+*******************************************************************************/
+#ifdef CREATE_HGRID_H_
+#define CREATE_HGRID_H_
+void create_regular_lonlat_grid( int *nxbnds, int *nybnds, double *xbnds, double *ybnds,
+		         	 int *nlon, int *nlat, int *isc, int *iec,
+				 int *jsc, int *jec, double *x, double *y, double *dx,
+				 double *dy, double *area, double *angle_dx, char *center_cell );
+
+void create_simple_cartesian_grid( double *xbnds, double *ybnds, int *nlon, int *nlat,
+				   double *simple_dx, double *simple_dy, int *isc, int *iec,
+				   int *jsc, int *jec, double *x, double *y,
+				   double *dx, double *dy, double *area, double *angle_dx, char *center_cell );
+
+void create_grid_from_file( char *file, int *nlon, int *nlat, double *x, double *y, double *dx, double *dy,
+           		    double *area, double *angle_dx );
+
+void create_spectral_grid( int *nlon, int *nlat, int *isc, int *iec,
+			   int *jsc, int *jec, double *x, double *y, double *dx,
+			   double *dy, double *area, double *angle_dx );
+
+void create_tripolar_grid( int *nxbnds, int *nybnds, double *xbnds, double *ybnds,
+			   int *nlon, int *nlat, double *lat_join_in, int *isc, int *iec,
+			   int *jsc, int *jec, double *x, double *y, double *dx, double *dy,
+			   double *area, double *angle_dx );
+
+void create_conformal_cubic_grid( int *npts, int *nratio, char *method, char *orientation, double *x,
+			          double *y, double *dx, double *dy, double *area, double *angle_dx,
+			          double *angle_dy );
+
+void create_gnomonic_cubic_grid( char* grid_type, int *npts, double *x, double *y,
+				double *dx, double *dy, double *area, double *angle_dx,
+			        double *angle_dy );
+#endif
diff --git a/gridspec_tools_20080702/tools/make_hgrid/create_lonlat_grid.c b/gridspec_tools_20080702/tools/make_hgrid/create_lonlat_grid.c
new file mode 100644
index 0000000..f562c69
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_hgrid/create_lonlat_grid.c
@@ -0,0 +1,406 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <complex.h>
+#include <math.h>
+#include <string.h>
+#include "mosaic_util.h"
+#include "interp.h"
+#include "tool_util.h"
+#include "constant.h"
+#include "create_hgrid.h"
+#define  D2R (M_PI/180.)
+#define  R2D (180./M_PI)
+
+/*********************************************************************************
+   some private routines used in this file
+*********************************************************************************/
+void set_regular_lonlat_grid( int nxp, int nyp, int isc, int iec, int jsc, int jec, double *xb, double *yb,
+			      double *x, double *y, double *dx, double *dy, double *area, double *angle );
+/************************************************************************************
+   void create_regular_lonlat_grid( int *nxbnds, int *nybnds, double *xbnds, double *ybnds,
+                                    int *nlon, int *nlat, int *isc, int *iec,
+                                    int *jsc, int *jec, double *x, double *y, double *dx,
+                                    double *dy, double *area, double *angle_dx )
+   calculate grid location, length, area and rotation angle.
+   The routine takes the following arguments
+
+   INPUT:
+
+   OUTPUT:
+
+************************************************************************************/
+void create_regular_lonlat_grid( int *nxbnds, int *nybnds, double *xbnds, double *ybnds,
+		         	 int *nlon, int *nlat, int *isc, int *iec,
+				 int *jsc, int *jec, double *x, double *y, double *dx,
+				 double *dy, double *area, double *angle_dx, const char *center )
+{
+  int nx, ny, nxp, nyp, nxb, nyb;
+  double *xb=NULL, *yb=NULL;
+  int refine;
+  
+  /* use cubic-spline interpolation algorithm to calculate nominal zonal grid location. */
+  nxb = *nxbnds;
+  nyb = *nybnds;
+
+  xb = compute_grid_bound(nxb, xbnds, nlon, &nx, center), 
+  nxp = nx + 1;
+  
+  yb = compute_grid_bound(nyb, ybnds, nlat, &ny, center), 
+  nyp = ny + 1;
+     
+  set_regular_lonlat_grid( nxp, nyp, *isc, *iec, *jsc, *jec, xb, yb, x, y, dx, dy, area, angle_dx);
+  free(xb);
+  free(yb);
+    
+}; /* create_regular_lonlat_grid */
+
+
+/************************************************************************************
+   void create_simple_cartesian_grid( double *xbnds, double *ybnds, int *nlon, int *nlat,
+                                      double *simple_dx, *simple_dy, int *isc, int *iec,
+				      int *jsc, int *jec, double *x, double *y,
+				      double *dx, double *dy, double *area, double *angle_dx )
+   calculate grid location, length, area and rotation angle.
+   The routine takes the following arguments
+
+   INPUT:
+
+   OUTPUT:
+
+************************************************************************************/
+void create_simple_cartesian_grid( double *xbnds, double *ybnds, int *nlon, int *nlat,
+				   double *simple_dx, double *simple_dy, int *isc, int *iec,
+				   int *jsc, int *jec, double *x, double *y,
+				   double *dx, double *dy, double *area, double *angle_dx )
+{
+  int nx, ny, nxp, nyp, i, j, n, nxc, nyc, nxb, nyb;
+  double *grid1=NULL, *grid2=NULL, *xb=NULL, *yb=NULL;
+
+  nxb = 2;
+  nyb = 2;
+  nx = *nlon;
+  ny = *nlat;
+  nxp = nx + 1;
+  nyp = ny + 1;  
+  /* use cubic-spline interpolation algorithm to calculate nominal zonal grid location. */
+  xb    = (double *)malloc(nxp*sizeof(double));
+  grid1 = (double *)malloc(nxb*sizeof(double));
+  grid1[0] = 1;
+  grid1[1] = nxp;
+  grid2 = (double *)malloc(nxp*sizeof(double));
+  for(i=0;i<nxp;i++) grid2[i] = i + 1.0;
+  cubic_spline( nxb, nxp, grid1, grid2, xbnds, xb, 1e30,1e30);
+  free(grid1);
+  free(grid2);
+
+  /* use cubic-spline interpolation algorithm to calculate nominal meridinal grid location. */
+  yb    = (double *)malloc(nyp*sizeof(double));
+  grid1 = (double *)malloc(nyb*sizeof(double));
+  grid1[0] = 1;
+  grid1[1] = nyp;
+  grid2 = (double *)malloc(nyp*sizeof(double));
+  for(j=0;j<nyp;j++) grid2[j] = j + 1.0;
+  cubic_spline( nyb, nyp, grid1, grid2, ybnds, yb, 1e30,1e30);
+  free(grid1);
+  free(grid2);
+
+  n = 0;
+  for(j=0; j<nyp; j++) {
+    for(i=0; i<nxp; i++) {
+      x[n] = xb[i];
+      y[n++] = yb[j];
+    }
+  }
+
+  nxc = *iec - *isc + 1;
+  nyc = *jec - *jsc + 1;
+  
+  for(n = 0; n< nxc*(nyc+1);     n++) dx[n] = *simple_dx;
+  for(n = 0; n< (nxc+1)*nyc;     n++) dy[n] = *simple_dy;
+  for(n = 0; n< nxc*nyc;         n++) area[n] = (*simple_dx)*(*simple_dy);
+  for(n = 0; n< (nxc+1)*(nyc+1); n++) angle_dx[n] = 0;
+  
+  free(xb);
+  free(yb);
+    
+}; /* create_simple_cartesian_grid */
+
+
+/*******************************************************************************
+   void create_spectral_grid( nt *nlon, int *nlat, int *isc, int *iec,
+                              int *jsc, int *jec, double *x, double *y, double *dx,
+                              double *dy, double *area, double *angle_dx )
+   generate spectral horizontal grid
+*******************************************************************************/
+void create_spectral_grid( int *nlon, int *nlat, int *isc, int *iec,
+			   int *jsc, int *jec, double *x, double *y, double *dx,
+			   double *dy, double *area, double *angle_dx )
+{
+  const int itermax = 10;
+  const double epsln = 1e-15;
+  int ni, nj, nx, ny, nxp, nyp, i, j, converge, iter;
+  double dlon, z, p1, p2, p3, z1, pp, a, b, c, d, sum_wts; 
+  double *xb, *yb, *lon, *lonb, *lat, *latb;
+  double *sin_hem, *wts_hem, *sin_lat, *wts_lat;
+  
+  nx = *nlon;
+  ny = *nlat;
+  nxp = nx + 1;
+  nyp = ny + 1;
+  ni = nx/2;
+  nj = ny/2;
+
+  xb = (double *) malloc(nxp*sizeof(double));
+  yb = (double *) malloc(nyp*sizeof(double));
+  lon     = (double *) malloc(ni    *sizeof(double));
+  lonb    = (double *) malloc((ni+1)*sizeof(double));
+  lat     = (double *) malloc(nj    *sizeof(double));
+  latb    = (double *) malloc((nj+1)*sizeof(double));
+  sin_hem = (double *) malloc(nj/2*sizeof(double));
+  wts_hem = (double *) malloc(nj/2*sizeof(double));
+  sin_lat = (double *) malloc(nj*sizeof(double));
+  wts_lat = (double *) malloc(nj*sizeof(double));
+  dlon = 360./ni;
+  for(i=0;i< ni;i++) lon[i] = i*dlon;
+  for(i=0;i<=ni;i++) lonb[i] = (i-0.5)*dlon;
+
+  for(j=0;j<nj/2;j++) {
+    converge = 0;
+    z = cos(M_PI*(j +0.75)/(nj + 0.5));
+    for(iter=1; iter<=itermax; i++){
+      p1 = 1.0;
+      p2 = 0.0;
+
+      for(i=1;i<=nj;i++) {
+        p3 = p2;
+        p2 = p1;
+        p1 = ((2.0*i - 1.0)*z*p2 - (i - 1.0)*p3)/i;
+      }
+
+      pp = nj*(z*p1 - p2)/(z*z - 1.0E+00);
+      z1 = z;
+      z  = z1 - p1/pp;
+      if(fabs(z - z1) < epsln ) {
+        converge = 1;
+	break;
+      }
+    }
+    if(! converge) mpp_error("create_spectral_grid: abscissas failed to converge "
+			     "in itermax iterations");
+    sin_hem [j]     = z;
+    wts_hem [j]     = 2.0/((1.0 - z*z)*pp*pp);
+  }
+
+  for(j=0;j<nj/2;j++) {
+    sin_lat[j]      = - sin_hem[j];
+    sin_lat[nj-1-j] =   sin_hem[j];
+    wts_lat[j]      =   wts_hem[j];
+    wts_lat[nj-1-j] =   wts_hem[j];
+  }
+
+  for(j=0;j<nj;j++){
+    lat[j]    = asin(sin_lat[j])*R2D;
+  }
+
+  latb[0] = -90.;
+  latb[nj] = 90.;
+  for(j=1;j<nj;j++) {
+    sum_wts = sum_wts + wts_lat[j-1];
+    latb[j] = asin(sum_wts-1.)*R2D;
+  }
+
+  for(i=0;i<=ni;i++) xb[i*2]   = lonb[i];
+  for(i=0;i<ni; i++) xb[i*2+1] = lon[i];
+  for(j=0;j<=nj;j++) yb[j*2]   = latb[j];
+  for(j=0;j<nj; j++) yb[j*2+1] = lat[j];
+
+  set_regular_lonlat_grid( nxp, nyp, *isc, *iec, *jsc, *jec, xb, yb, x, y, dx, dy, area, angle_dx );
+  free(xb);
+  free(yb);
+  free(lon);
+  free(lonb);
+  free(lat);
+  free(latb);
+  free(sin_hem);
+  free(wts_hem);
+  free(sin_lat);
+  free(wts_lat); 
+  
+}; /* create_spectral_grid */
+
+/*******************************************************************************
+   void set_regular_lonlat_grid( int nxp, int nyp, int isc, int iec, int jsc, int jec,
+                                 double *xb, double *yb, double *x, double *y,
+                                 double *dx, double *dy, double *area, double *angle )
+   set geographic grid location, calculate grid length, area and rotation angle
+   x and y are on global domain, the other fields are on compute domain 
+*******************************************************************************/
+void set_regular_lonlat_grid( int nxp, int nyp, int isc, int iec, int jsc, int jec, double *xb, double *yb,
+			      double *x, double *y, double *dx, double *dy, double *area, double *angle )
+{
+  int n, i, j;
+  
+  n = 0;
+  for(j=0; j<nyp; j++) {
+    for(i=0; i<nxp; i++) {
+      x[n]   = xb[i];
+      y[n++] = yb[j];
+    }
+  }
+  /* zonal length */
+  n = 0;
+  for(j=jsc; j<=jec+1; j++) {
+    for(i=isc; i<=iec; i++ ) {
+      dx[n++] = spherical_dist(x[j*nxp+i], y[j*nxp+i], x[j*nxp+i+1], y[j*nxp+i+1] );
+    }
+  }
+
+  /* meridinal length */
+  n = 0;
+  for(j=jsc; j<=jec; j++) {
+    for(i=isc; i<=iec+1; i++ ) {
+      dy[n++] = spherical_dist(x[j*nxp+i], y[j*nxp+i], x[(j+1)*nxp+i], y[(j+1)*nxp+i] );
+    }
+  }
+
+  /* cell area */
+  n = 0;
+  for(j=jsc; j<=jec; j++) {
+    for(i=isc; i<=iec; i++ ) {
+      area[n++] = box_area(x[j*nxp+i]*D2R, y[j*nxp+i]*D2R, x[(j+1)*nxp+i+1]*D2R, y[(j+1)*nxp+i+1]*D2R );
+    }
+  }
+
+  /* rotation angle */
+  n = 0;
+  for(j=jsc; j<=jec+1; j++) {
+    for(i=isc; i<=iec+1; i++ ) angle[n++] = 0;   
+  }
+
+};  /* set_regular_lonlat_grid */
+
+
+/*******************************************************************************
+   void create_tripolar_grid( int int nxbnds, int nybnds, double *xbnds, double *ybnds,
+                              int *nlon, int *nlat, double *lat_join_in, int *isc, int *iec,
+                              int *jsc, int *jec, double *x, double *y, double *dx, double *dy,
+			      double *area, double *angle_dx )
+   create tripolar grid infomrmation
+********************************************************************************/
+void create_tripolar_grid( int *nxbnds, int *nybnds, double *xbnds, double *ybnds,
+			   int *nlon, int *nlat, double *lat_join_in, int *isc, int *iec,
+			   int *jsc, int *jec, double *x, double *y, double *dx, double *dy,
+			   double *area, double *angle_dx, const char *center )
+{
+  int nxb, nyb, i, j, nx, ny, nxp, nyp, j_join, n, ip1, ii, n_count;
+  double lat_join, lon_start, lon_end, lon_bpeq, lon_bpnp, lon_bpsp;
+  double lam0, rp, lon_last, lon_scale;
+  double *xb, *yb;
+  double x_poly[20], y_poly[20];
+  
+  nxb = *nxbnds;
+  nyb = *nybnds;
+
+  xb = compute_grid_bound(nxb, xbnds, nlon, &nx, center), 
+  nxp = nx + 1;
+  
+  yb = compute_grid_bound(nyb, ybnds, nlat, &ny, center), 
+  nyp = ny + 1;
+
+  n = 0;
+  for(j=0; j<nyp; j++) {
+    for(i=0; i<nxp; i++) {
+      x[n] = xb[i];
+      y[n++] = yb[j];
+    }
+  }
+
+  lat_join = *lat_join_in;
+  j_join = nearest_index(lat_join, yb, nyp);
+  lat_join  = yb[j_join];
+  lon_start = xbnds[0];
+  lon_end   = xbnds[1];  
+  lon_bpeq = lon_start + 90. ;
+  lon_bpnp = lon_start;
+  lon_bpsp = lon_start+180.;
+  
+  if(*lat_join_in != lat_join) {
+    if(mpp_pe() == mpp_root_pe() )printf("NOTE: Change join latitude from %f to %f\n",*lat_join_in, lat_join);
+  }
+  /**********************************************************************
+     Transform from bipolar grid coordinates (bp_lon, bp_lat) to
+     geographic coordinates (geolon_t, geolat_t) following R. Murray,
+     "Explicit generation of orthogonal grids for ocean models",
+     1996, J.Comp.Phys., v. 126, p. 251-273.  All equation
+     numbers refer to the Murray paper.
+  **********************************************************************/
+
+  lam0 = fmod(lon_bpeq*D2R + 2*M_PI, 2*M_PI);
+  rp = tan((0.5*M_PI-lat_join*D2R)/2.);        /* eqn. 2 */
+
+  /*   calculate zonal length */
+  n = 0;
+  for(j=*jsc;j<=*jec+1;j++){
+    for(i=*isc;i<=*iec;i++){
+      if(j < j_join )  /* regular grid region */
+        dx[n++] = spherical_dist(x[j*nxp+i], y[j*nxp+i], x[j*nxp+i+1], y[j*nxp+i+1]);
+      else /*bipolar region */
+	dx[n++] = bipolar_dist(x[j*nxp+i], y[j*nxp+i], x[j*nxp+i+1], y[j*nxp+i+1], lon_bpeq, lon_bpsp, lon_bpnp, rp );
+    }
+  }
+  
+  /*   calculate meridinal length */
+  n = 0;
+  for(j=*jsc;j<=*jec;j++){
+    for(i=*isc;i<=*iec+1;i++){
+      if(j < j_join )  /* regular grid region */
+        dy[n++] = spherical_dist(x[j*nxp+i], y[j*nxp+i], x[(j+1)*nxp+i], y[(j+1)*nxp+i]);
+      else /*bipolar region */
+	dy[n++] = bipolar_dist(x[j*nxp+i], y[j*nxp+i], x[(j+1)*nxp+i], y[(j+1)*nxp+i], lon_bpeq, lon_bpsp, lon_bpnp, rp );
+    }
+  }
+  
+  /*define tripolar grid location */
+  for(j=j_join;j<nyp;j++) {
+    for(i=0;i<nxp;i++) {
+      lon_last = x[j*nxp+max(i-1,0)];
+      tp_trans(&(x[j*nxp+i]),&(y[j*nxp+i]),lon_last,lon_start, lam0, lon_bpeq, lon_bpsp, lon_bpnp, rp);
+    }
+  }
+
+ /*calculte cell area */
+  n = 0;
+  for(j=*jsc;j<=*jec;j++){
+    for(i=*isc;i<=*iec;i++){
+      if(j < j_join) 
+	area[n++] = box_area(x[j*nxp+i]*D2R, y[j*nxp+i]*D2R, x[(j+1)*nxp+i+1]*D2R, y[(j+1)*nxp+i+1]*D2R);
+      else {
+	x_poly[0] = x[j*nxp+i]*D2R;       y_poly[0] = y[j*nxp+i]*D2R;
+	x_poly[1] = x[j*nxp+i+1]*D2R;     y_poly[1] = y[j*nxp+i+1]*D2R;
+	x_poly[2] = x[(j+1)*nxp+i+1]*D2R; y_poly[2] = y[(j+1)*nxp+i+1]*D2R;
+	x_poly[3] = x[(j+1)*nxp+i]*D2R;   y_poly[3] = y[(j+1)*nxp+i]*D2R;
+        n_count = fix_lon(x_poly, y_poly, 4, M_PI);
+	area[n++] = poly_area(x_poly, y_poly, n_count);
+      }
+    }
+  }  
+  
+  /*calculte rotation angle at cell vertex */
+  n = 0;
+  for(j=*jsc;j<=(*jec)+1;j++){
+    for(i=*isc;i<=(*iec)+1;i++){
+      if(j < j_join) 
+	angle_dx[n++] = 0.0;
+      else {
+	lon_scale = cos(y[j*nxp+i]*D2R);
+	if(i==0 || i == nx ) /* always at the boundary */
+	  angle_dx[n++] = 0;
+	else
+	  angle_dx[n++] = atan2(y[j*nxp+i+1]-y[j*nxp+i-1],(x[j*nxp+i+1]-x[j*nxp+i-1])*lon_scale)*R2D;
+      }
+    }
+  }
+  
+}; /* create_tripolar_grid */
+
+
diff --git a/gridspec_tools_20080702/tools/make_hgrid/gs_make_hgrid.c b/gridspec_tools_20080702/tools/make_hgrid/gs_make_hgrid.c
new file mode 100644
index 0000000..db3c309
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_hgrid/gs_make_hgrid.c
@@ -0,0 +1,340 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <getopt.h>
+#include <netcdf.h>
+#include "create_hgrid.h"
+#include "mpp.h"
+#include "mpp_domain.h"
+#include "mpp_io.h"
+
+#define MAXBOUNDS 100
+#define STRINGLEN 255
+  
+/* char grid_version[] = "0.2"; */
+/* char tagname[] = "$Name:  $"; */
+
+char *usage[] = {
+   "",
+   "                                                                                 ",
+   "                                                                                 ",
+   "                    Usage of gs_make_hgrid                                       ",
+   "                                                                                 ",
+   "   gs_make_hgrid --grid_type grid_type --my_grid_file my_grid_file               ",
+   "                  --nxbnds nxbnds --nybnds nybnds                                ",
+   "                  --xbnds x(1),...,x(nxbnds) --ybnds y(1),...,y(nybnds)          ",
+   "                  --nlon nlon(1),...nlon(nxbnds-1)                               ",
+   "                  --nlat nlat(1),...nlat(nybnds-1)                               ",
+   "                  --lat_join lat_join --num_lon num_lon --nratio nratio          ",
+   "                  --simple_dx simple_dx --simple_dy simple_dy                    ",
+   "                  --ndivx ndivx --ndivy ndivy --grid_name gridname               ",
+   "                  --center center                                                ",
+   "                                                                                 ",
+   "   NOTE: This program can generate different types of horizontal grid. The       ",
+   "         output data is on supergrid ( model grid size x refinement(=2) ).       ",
+   "         For 'cubic_grid', six grid files which contain the grid information     ",
+   "         for each tile will be generate, otherwise one file will be generated    ",
+   "         you can specify the grid type through --grid_type. The value of         ",
+   "         grid_type can be 'from_file', 'spectral_grid', 'spherical_grid',        ",
+   "         'conformal_cubic_grid', 'gnomonic_ed' or 'simple_cartesian_grid',       ",
+   "         with default value 'spherical_grid'. --nlon and --nlat                  ",
+   "         must be specified to indicate supergrid size ( for cubic_grid,          ",
+   "         --nlat is not needed because nlat has the same value as nlon.           ",
+   "         --ndivx and --ndivy are optional arguments with default value 1.        ",
+   "         Besides --nlon, --nlat, --ndivx and --ndivy, other optional and         ",
+   "         requirement arguments for each type are,                                ",
+   "                                                                                 ",
+   "   1. 'from_file':              --my_grid_file must be specified. The grid    ",
+   "                                specified in my_grid_file should be super grid   ",
+   "                                vertex.                                          ",
+   "   2. 'spectral_grid':          no other optional or required arguments.         ",
+   "   3. 'regular_lonlat_grid':    --nxbnds, --nybnds --xbnds, --ybnds, must be     ",
+   "                                specified to define the grid bounds.             ",
+   "   4. 'tripolar_grid':          --nxbnds, --nybnds, --xbnds, --ybnds, must be    ",
+   "                                specified to define the grid bounds. --lat_join  ",
+   "                                is optional with default value 65.               ",
+   "   5  'conformal_cubic_grid':   --nratio is optional argument.                   ",
+   "   6  'gnomonic_ed'          :  equal distance gnomonic cubic grid.              ",
+   "   6. 'simple_cartesian_grid':  --xbnds, --ybnds must be specified to define     ",
+   "                                the grid bounds location and grid size. number   ",
+   "                                of bounds must be 2 in both and x and            ",
+   "                                y-direction. --simple_dx and --simple_dy must be ",
+   "                                specified to specify uniform cell length.        ",
+   "                                                                                 ",
+   "   make_hgrid take the following flags                                           ",
+   "                                                                                 ",
+   "   --grid_type grid_type      specify type of topography. See above for          ",
+   "                              grid type option.                                  "
+   "                                                                                 ",
+   "   --my_grid_file file        when this flag is present, the program will read   ",
+   "                              grid information from 'my_grid_file'. The file     ",
+   "                              format can be ascii file or netcdf file. Multiple  ",
+   "                              file entry are allowed but the number should be    ",
+   "                              less than MAXBOUNDS.                                ",
+   "                                                                                 ",
+   "   --nxbnds nxbnds            Specify number of zonal regions for varying        ",
+   "                              resolution.                                        ",
+   "                                                                                 ",
+   "   --nybnds nybnds            Specify number of meridinal regions for varying    ",
+   "                              resolution.                                        ",
+   "                                                                                 ",
+   "   --xbnds x(1),.,x(nxbnds)   Specify boundaries for defining zonal regions of   ",
+   "                              varying resolution. When --tripolar is present,    ",
+   "                              x also defines the longitude of the two new poles. ",
+   "                              nxbnds must be 2 and lon_start = x(1),             ",
+   "                              lon_end = x(nxbnds) are longitude of the two       ",
+   "                              new poles.                                         ",
+   "                                                                                 ",
+   "   --ybnds y(1),.,y(nybnds)   Specify boundaries for defining meridional         ",
+   "                              regions of varying resolution                      ",
+   "                                                                                 ",
+   "   --nlon nlon(1),..,nlon(nxbnds-1) Number of model grid points(supergrid) for   ",
+   "                                    each zonal regions of varying resolution.    ",
+   "                                                                                 ",  
+   "   --nlat nlat(1),..,nlat(nybnds-1) Number of model grid points(supergid) for    ",
+   "                                    each meridinal regions of varying resolution.",
+   "                                                                                 ",
+   "   --lat_join lat_join        Specify latitude for joining spherical and rotated ",
+   "                              bipolar grid. Default value is 65 degree.          ",
+   "                                                                                 ",
+   "   --nratio nratio            Speicify the refinement ratio when calculating     ",
+   "                              cell length and area of supergrid.                 ",
+   "                                                                                 ",
+   "   --simple_dx dimple_dx      Specify the uniform cell length in x-direction for ",
+   "                              simple cartesian grid.                             ",
+   "                                                                                 ",
+   "   --simple_dy dimple_dy      Specify the uniform cell length in y-direction for ",
+   "                              simple cartesian grid.                             ",  
+   "                                                                                 ",
+   "   --ndivx ndivx              Specify number division in x-direction for each    ",
+   "                              face, default value is 1.                          ",
+   "                                                                                 ",
+   "   --ndivy ndivy              Specify number division in y-direction for each    ",
+   "                              face, default value is 1.                          ",
+   "                                                                                 ",
+   "   --grid_name grid_name      Specify the grid name. The output grid file name   ",
+   "                              will be grid_name.nc if there is one tile and      ",
+   "                              grid_name.tile#.nc if there is more than one tile. ",
+   "                              The default value will be horizontal_grid.         ",
+   "                                                                                 ",
+   "   --center center            Specify the center location of grid. The valid     ",
+   "                              entry will be 'none', 't_cell' or 'c_cell' with    ",
+   "                              default value 'none'. The grid refinement is       ",
+   "                              assumed to be 2 in x and y-direction when center   ",
+   "                              is not 'none'. 'c_cell' should be used for the grid",
+   "                              used in MOM4.                                      ",     
+   "                                                                                 ",
+   "   Example                                                                       ",      
+   "                                                                                 ",
+   "                                                                                 ",
+   "   1. generating regular lon-lat grid (supergrid size 60x20)                     ",
+   "      > make_hgrid --grid_type regular_lonlat_grid --nxbnd 2 --nybnd 2           ",
+   "        --xbnd 0,30 --ybnd 50,60  --nlon 60 --nlat 20                            ",
+   "                                                                                 ",
+   "   2. generating tripolar grid with various grid resolution and C-cell centered  ",
+   "      > make_hgrid --grid_type tripolar_grid --nxbnd 2 --nybnd 7 --xbnd -280,80  ",
+   "                   --ybnd -82,-30,-10,0,10,30,90 --nlon 720                      ",
+   "                   --nlat 104,48,40,40,48,120 --grid_name om3_grid               ",
+   "                   --center c_cell  --periodx 360                                ",
+   "                                                                                 ",  
+   "   3. generating simple cartesian grid(supergrid size 20x20)                     ",
+   "      > make_hgrid --grid_type simple_cartesian_grid --xbnd 0,30 --ybnd 50,60    ",
+   "                   --nlon 20 --nlat 20  --simple_dx 1000 --simple_dy 1000        ",
+   "                                                                                 ",
+   "   4. generating conformal cubic grid. (supergrid size 60x60 for each tile)      ",
+   "      > make_hgrid --grid_type conformal_cubic_grid --nlon 60 --nratio 2         ",
+   "                                                                                 ",
+   "   5. generating gnomonic cubic grid with equal_dist_face_edge                   ",
+   "      > make_hgrid --grid_type gnomonic_ed --nlon 60                             ",
+   "                                                                                 ",
+   "   7. generating spectral grid. (supergrid size 128x64)                          ",
+   "      > make_hgrid --grid_type spectral_grid --nlon 128 --nlat 64                ",
+   "                                                                                 ",
+   "   7. Through    user-defined grids                                              ",
+   "      > make_hgrid --grid_type from_file --my_grid_file my_grid_file          ",
+   "                   --nlon 4 --nlat 4                                             ",
+   "                                                                                 ",
+   "       contents of sample my_grid_file                                           ",
+   "         The first line of my_grid_file will be text ( will be ignored)          ",     
+   "         followed by nlon+1 lines of real value of x-direction supergrid bound   ",
+   "         location. Then another line of text ( will be ignored), followed by     ",
+   "         nlat+1 lines of real value of y-direction supergrid bound location.     ",
+   "                                                                                 " ,     
+   "         For example:                                                            ",
+   "                                                                                 ",
+   "            x-grid                                                               ",
+   "            0.0                                                                  ",
+   "            5.0                                                                  ",
+   "            10.0                                                                 ",
+   "            15.0                                                                 ",
+   "            20.0                                                                 ",
+   "            y-grid                                                               ",
+   "            -10                                                                  ",
+   "            10                                                                   ",
+   "            20                                                                   ",
+   "            30                                                                   ",
+   "            40                                                                   ", 
+   "                                                                                 ",
+   "                                                                                 ",
+   "",
+   NULL };
+
+int main(int argc, char* argv[])
+{
+   int  nratio = 1;
+   int  ndivx[] = {1,1,1,1,1,1};
+   int  ndivy[] = {1,1,1,1,1,1};
+   char method[32] = "conformal";
+   char orientation[32] = "center_pole";
+   int  nxbnds=2, nybnds=2, nxbnds0=0, nybnds0=0, nxbnds1=0, nybnds1=0, nxbnds2=0, nybnds2=0;
+   double xbnds[MAXBOUNDS], ybnds[MAXBOUNDS];
+   int nlon[MAXBOUNDS-1], nlat[MAXBOUNDS-1];
+   char grid_type[128]="regular_lonlat_grid";
+   char my_grid_file[MAXBOUNDS][STRINGLEN];
+   double lat_join=65.;
+   double simple_dx=0, simple_dy=0;
+   int nx, ny, nxp, nyp, ntiles=1, ntilex=0, ntiley=0, ntiles_file;
+   double *x=NULL, *y=NULL, *dx=NULL, *dy=NULL, *angle_dx=NULL, *angle_dy=NULL, *area=NULL;
+  
+   char history[2560];
+   char gridname[32] = "horizontal_grid";
+   char center[32] = "none";
+   char geometry[32] = "spherical";
+   char projection[32] = "none";
+   char arcx[32] = "small_circle";
+   char north_pole_tile[32] = "0.0 90.0";
+   char north_pole_arcx[32] = "0.0 90.0";
+   char discretization[32]  = "logically_rectangular";
+   char conformal[32]       = "true";
+   char mesg[256], str[128];
+   char entry[MAXBOUNDS*STRINGLEN];
+   int isc, iec, jsc, jec, nxc, nyc, layout[2];
+   domain2D domain;
+   int n, errflg, c, i;  
+   int option_index;
+   int ret;
+
+   static struct option long_options[] = {
+      {"grid_type",       required_argument, NULL, 'a'},
+      {"my_grid_file",    required_argument, NULL, 'b'},
+      {"nxbnds",          required_argument, NULL, 'c'},
+      {"nybnds",          required_argument, NULL, 'd'},
+      {"xbnds",           required_argument, NULL, 'e'},
+      {"ybnds",           required_argument, NULL, 'f'},
+      {"nlon",            required_argument, NULL, 'g'},
+      {"nlat",            required_argument, NULL, 'i'},
+      {"lat_join",        required_argument, NULL, 'j'},
+      {"nratio",          required_argument, NULL, 'k'},
+      {"simple_dx",       required_argument, NULL, 'l'},
+      {"simple_dy",       required_argument, NULL, 'm'},
+      {"ndivx",           required_argument, NULL, 'o'},
+      {"ndivy",           required_argument, NULL, 'p'},
+      {"grid_name",       required_argument, NULL, 'q'},
+      {"center",          required_argument, NULL, 'r'},
+      {"help",            no_argument,       NULL, 'h'},    
+      {0, 0, 0, 0},
+   };
+
+   /* start parallel */
+   mpp_init(&argc, &argv);
+   mpp_domain_init();  
+
+   /* process command line */
+   errflg = argc <3;
+
+   while ((c = getopt_long(argc, argv, "", long_options, &option_index)) != -1) {
+      switch (c) {
+	 case 'a':
+	    strcpy(grid_type, optarg);
+	    break;
+	 case 'b':
+	    strcpy(entry, optarg);
+	    tokenize(entry, ",", STRINGLEN, MAXBOUNDS, my_grid_file, &ntiles_file);
+	    break;
+	 case 'c':
+	    nxbnds0 = atoi(optarg);
+	    break;
+	 case 'd':
+	    nybnds0 = atoi(optarg);
+	    break;        
+	 case 'e':
+	    strcpy(entry, optarg);
+	    nxbnds1 = get_double_entry(entry, xbnds);
+	    break;
+	 case 'f':
+	    strcpy(entry, optarg);
+	    nybnds1 = get_double_entry(entry, ybnds);
+	    break;
+	 case 'g':
+	    strcpy(entry, optarg);
+	    nxbnds2 = get_int_entry(entry, nlon);
+	    break;
+	 case 'i':
+	    strcpy(entry, optarg);
+	    nybnds2 = get_int_entry(entry, nlat);
+	    break;
+	 case 'j':
+	    lat_join = atof(optarg);
+	    break; 
+	 case 'k':
+	    nratio = atoi(optarg);
+	    break;      
+	 case 'l':
+	    simple_dx = atof(optarg);
+	    break;
+	 case 'm':
+	    simple_dy = atof(optarg);
+	    break;
+	 case 'o':
+	    strcpy(entry, optarg);
+	    ntilex = get_int_entry(entry, ndivx);
+	    break;
+	 case 'p':
+	    strcpy(entry, optarg);
+	    ntiley = get_int_entry(entry, ndivy);
+	    break;      
+	 case 'q':
+	    strcpy(gridname, optarg);
+	    break;
+	 case 'r':
+	    strcpy(center, optarg);
+	    break;
+	 case 'h':
+	    errflg++;
+	    break;
+	 case '?':
+	    errflg++;      
+      }      
+   }
+  
+   if (errflg ) {
+      char **u = usage;
+      while (*u) { fprintf(stderr, "%s\n", *u); u++; }
+      exit(2);
+   }  
+
+   /* define history to be the history in the grid file */
+   strcpy(history,argv[0]);
+
+   for(i=1;i<argc;i++) {
+      strcat(history, " ");
+      strcat(history, argv[i]);
+   }
+
+   if(mpp_pe() == mpp_root_pe() ) printf("==>NOTE: the grid type is %s\n",grid_type);
+
+   /* Do everything. */
+   if ((ret = gs_make_hgrid(grid_type, entry, nxbnds0, nybnds0, nxbnds1, 
+                            nybnds1, nxbnds2, nybnds2, lat_join, nratio, simple_dx, 
+                            simple_dy, ntilex, ntiley, gridname, center)))
+      return ret;
+
+   if(mpp_pe() == mpp_root_pe()) printf("generate_grid is run successfully. \n");
+
+   mpp_end();
+
+   return 0;
+  
+};  /* end of main */
+
+
diff --git a/gridspec_tools_20080702/tools/make_hgrid/make_hgrid.c b/gridspec_tools_20080702/tools/make_hgrid/make_hgrid.c
new file mode 100644
index 0000000..f321564
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_hgrid/make_hgrid.c
@@ -0,0 +1,626 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <getopt.h>
+#include <netcdf.h>
+#include "create_hgrid.h"
+#include "mpp.h"
+#include "mpp_domain.h"
+#include "mpp_io.h"
+
+const int MAXBOUNDS = 100;
+const int STRINGLEN = 255;
+  
+char *usage[] = {
+  "",
+  "                                                                                 ",
+  "                                                                                 ",
+  "                    Usage of make_hgrid                                          ",
+  "                                                                                 ",
+  "   make_hgrid --grid_type grid_type --my_grid_file my_grid_file                  ",
+  "                  --nxbnds nxbnds --nybnds nybnds                                ",
+  "                  --xbnds x(1),...,x(nxbnds) --ybnds y(1),...,y(nybnds)          ",
+  "                  --nlon nlon(1),...nlon(nxbnds-1)                               ",
+  "                  --nlat nlat(1),...nlat(nybnds-1)                               ",
+  "                  --lat_join lat_join --num_lon num_lon --nratio nratio          ",
+  "                  --simple_dx simple_dx --simple_dy simple_dy                    ",
+  "                  --ndivx ndivx --ndivy ndivy --grid_name gridname               ",
+  "                  --center center                                                ",
+  "                                                                                 ",
+  "   NOTE: This program can generate different types of horizontal grid. The       ",
+  "         output data is on supergrid ( model grid size x refinement(=2) ).       ",
+  "         For 'cubic_grid', six grid files which contain the grid information     ",
+  "         for each tile will be generate, otherwise one file will be generated    ",
+  "         you can specify the grid type through --grid_type. The value of         ",
+  "         grid_type can be 'from_file', 'spectral_grid', 'spherical_grid',        ",
+  "         'conformal_cubic_grid', 'gnomonic_ed' or 'simple_cartesian_grid',       ",
+  "         with default value 'spherical_grid'. --nlon and --nlat                  ",
+  "         must be specified to indicate supergrid size ( for cubic_grid,          ",
+  "         --nlat is not needed because nlat has the same value as nlon.           ",
+  "         --ndivx and --ndivy are optional arguments with default value 1.        ",
+  "         Besides --nlon, --nlat, --ndivx and --ndivy, other optional and         ",
+  "         requirement arguments for each type are,                                ",
+  "                                                                                 ",
+  "   1. 'from_file':              --my_grid_file must be specified. The grid    ",
+  "                                specified in my_grid_file should be super grid   ",
+  "                                vertex.                                          ",
+  "   2. 'spectral_grid':          no other optional or required arguments.         ",
+  "   3. 'regular_lonlat_grid':    --nxbnds, --nybnds --xbnds, --ybnds, must be     ",
+  "                                specified to define the grid bounds.             ",
+  "   4. 'tripolar_grid':          --nxbnds, --nybnds, --xbnds, --ybnds, must be    ",
+  "                                specified to define the grid bounds. --lat_join  ",
+  "                                is optional with default value 65.               ",
+  "   5  'conformal_cubic_grid':   --nratio is optional argument.                   ",
+  "   6  'gnomonic_ed'          :  equal distance gnomonic cubic grid.              ",
+  "   6. 'simple_cartesian_grid':  --xbnds, --ybnds must be specified to define     ",
+  "                                the grid bounds location and grid size. number   ",
+  "                                of bounds must be 2 in both and x and            ",
+  "                                y-direction. --simple_dx and --simple_dy must be ",
+  "                                specified to specify uniform cell length.        ",
+  "                                                                                 ",
+  "   make_hgrid take the following flags                                           ",
+  "                                                                                 ",
+  "   --grid_type grid_type      specify type of topography. See above for          ",
+  "                              grid type option.                                  "
+  "                                                                                 ",
+  "   --my_grid_file file        when this flag is present, the program will read   ",
+  "                              grid information from 'my_grid_file'. The file     ",
+  "                              format can be ascii file or netcdf file. Multiple  ",
+  "                              file entry are allowed but the number should be    ",
+  "                              less than MAXBOUNDS.                                ",
+  "                                                                                 ",
+  "   --nxbnds nxbnds            Specify number of zonal regions for varying        ",
+  "                              resolution.                                        ",
+  "                                                                                 ",
+  "   --nybnds nybnds            Specify number of meridinal regions for varying    ",
+  "                              resolution.                                        ",
+  "                                                                                 ",
+  "   --xbnds x(1),.,x(nxbnds)   Specify boundaries for defining zonal regions of   ",
+  "                              varying resolution. When --tripolar is present,    ",
+  "                              x also defines the longitude of the two new poles. ",
+  "                              nxbnds must be 2 and lon_start = x(1),             ",
+  "                              lon_end = x(nxbnds) are longitude of the two       ",
+  "                              new poles.                                         ",
+  "                                                                                 ",
+  "   --ybnds y(1),.,y(nybnds)   Specify boundaries for defining meridional         ",
+  "                              regions of varying resolution                      ",
+  "                                                                                 ",
+  "   --nlon nlon(1),..,nlon(nxbnds-1) Number of model grid points(supergrid) for   ",
+  "                                    each zonal regions of varying resolution.    ",
+  "                                                                                 ",  
+  "   --nlat nlat(1),..,nlat(nybnds-1) Number of model grid points(supergid) for    ",
+  "                                    each meridinal regions of varying resolution.",
+  "                                                                                 ",
+  "   --lat_join lat_join        Specify latitude for joining spherical and rotated ",
+  "                              bipolar grid. Default value is 65 degree.          ",
+  "                                                                                 ",
+  "   --nratio nratio            Speicify the refinement ratio when calculating     ",
+  "                              cell length and area of supergrid.                 ",
+  "                                                                                 ",
+  "   --simple_dx dimple_dx      Specify the uniform cell length in x-direction for ",
+  "                              simple cartesian grid.                             ",
+  "                                                                                 ",
+  "   --simple_dy dimple_dy      Specify the uniform cell length in y-direction for ",
+  "                              simple cartesian grid.                             ",  
+  "                                                                                 ",
+  "   --ndivx ndivx              Specify number division in x-direction for each    ",
+  "                              face, default value is 1.                          ",
+  "                                                                                 ",
+  "   --ndivy ndivy              Specify number division in y-direction for each    ",
+  "                              face, default value is 1.                          ",
+  "                                                                                 ",
+  "   --grid_name grid_name      Specify the grid name. The output grid file name   ",
+  "                              will be grid_name.nc if there is one tile and      ",
+  "                              grid_name.tile#.nc if there is more than one tile. ",
+  "                              The default value will be horizontal_grid.         ",
+  "                                                                                 ",
+  "   --center center            Specify the center location of grid. The valid     ",
+  "                              entry will be 'none', 't_cell' or 'c_cell' with    ",
+  "                              default value 'none'. The grid refinement is       ",
+  "                              assumed to be 2 in x and y-direction when center   ",
+  "                              is not 'none'. 'c_cell' should be used for the grid",
+  "                              used in MOM4.                                      ",     
+  "                                                                                 ",
+  "   Example                                                                       ",      
+  "                                                                                 ",
+  "                                                                                 ",
+  "   1. generating regular lon-lat grid (supergrid size 60x20)                     ",
+  "      > make_hgrid --grid_type regular_lonlat_grid --nxbnd 2 --nybnd 2           ",
+  "        --xbnd 0,30 --ybnd 50,60  --nlon 60 --nlat 20                            ",
+  "                                                                                 ",
+  "   2. generating tripolar grid with various grid resolution and C-cell centered  ",
+  "      > make_hgrid --grid_type tripolar_grid --nxbnd 2 --nybnd 7 --xbnd -280,80  ",
+  "                   --ybnd -82,-30,-10,0,10,30,90 --nlon 720                      ",
+  "                   --nlat 104,48,40,40,48,120 --grid_name om3_grid               ",
+  "                   --center c_cell  --periodx 360                                ",
+  "                                                                                 ",  
+  "   3. generating simple cartesian grid(supergrid size 20x20)                     ",
+  "      > make_hgrid --grid_type simple_cartesian_grid --xbnd 0,30 --ybnd 50,60    ",
+  "                   --nlon 20 --nlat 20  --simple_dx 1000 --simple_dy 1000        ",
+  "                                                                                 ",
+  "   4. generating conformal cubic grid. (supergrid size 60x60 for each tile)      ",
+  "      > make_hgrid --grid_type conformal_cubic_grid --nlon 60 --nratio 2         ",
+  "                                                                                 ",
+  "   5. generating gnomonic cubic grid with equal_dist_face_edge                   ",
+  "      > make_hgrid --grid_type gnomonic_ed --nlon 60                             ",
+  "                                                                                 ",
+  "   7. generating spectral grid. (supergrid size 128x64)                          ",
+  "      > make_hgrid --grid_type spectral_grid --nlon 128 --nlat 64                ",
+  "                                                                                 ",
+  "   7. Through    user-defined grids                                              ",
+  "      > make_hgrid --grid_type from_file --my_grid_file my_grid_file          ",
+  "                   --nlon 4 --nlat 4                                             ",
+  "                                                                                 ",
+  "       contents of sample my_grid_file                                           ",
+  "         The first line of my_grid_file will be text ( will be ignored)          ",     
+  "         followed by nlon+1 lines of real value of x-direction supergrid bound   ",
+  "         location. Then another line of text ( will be ignored), followed by     ",
+  "         nlat+1 lines of real value of y-direction supergrid bound location.     ",
+  "                                                                                 " ,     
+  "         For example:                                                            ",
+  "                                                                                 ",
+  "            x-grid                                                               ",
+  "            0.0                                                                  ",
+  "            5.0                                                                  ",
+  "            10.0                                                                 ",
+  "            15.0                                                                 ",
+  "            20.0                                                                 ",
+  "            y-grid                                                               ",
+  "            -10                                                                  ",
+  "            10                                                                   ",
+  "            20                                                                   ",
+  "            30                                                                   ",
+  "            40                                                                   ", 
+  "                                                                                 ",
+  "                                                                                 ",
+  "",
+  NULL };
+
+char grid_version[] = "0.2";
+char tagname[] = "$Name:  $";
+
+int main(int argc, char* argv[])
+{
+  int  nratio = 1;
+  int  ndivx[] = {1,1,1,1,1,1};
+  int  ndivy[] = {1,1,1,1,1,1};
+  char method[32] = "conformal";
+  char orientation[32] = "center_pole";
+  int  nxbnds=2, nybnds=2, nxbnds0=0, nybnds0=0, nxbnds1=0, nybnds1=0, nxbnds2=0, nybnds2=0;
+  double xbnds[MAXBOUNDS], ybnds[MAXBOUNDS];
+  int nlon[MAXBOUNDS-1], nlat[MAXBOUNDS-1];
+  char grid_type[128]="regular_lonlat_grid";
+  char my_grid_file[MAXBOUNDS][STRINGLEN];
+  double lat_join=65.;
+  double simple_dx=0, simple_dy=0;
+  int nx, ny, nxp, nyp, ntiles=1, ntilex=0, ntiley=0, ntiles_file;
+  double *x=NULL, *y=NULL, *dx=NULL, *dy=NULL, *angle_dx=NULL, *angle_dy=NULL, *area=NULL;
+  
+  char history[2560];
+  char gridname[32] = "horizontal_grid";
+  char center[32] = "none";
+  char geometry[32] = "spherical";
+  char projection[32] = "none";
+  char arcx[32] = "small_circle";
+  char north_pole_tile[32] = "0.0 90.0";
+  char north_pole_arcx[32] = "0.0 90.0";
+  char discretization[32]  = "logically_rectangular";
+  char conformal[32]       = "true";
+  char mesg[256], str[128];
+  char entry[MAXBOUNDS*STRINGLEN];
+  int isc, iec, jsc, jec, nxc, nyc, layout[2];
+  domain2D domain;
+  int n, errflg, c, i;  
+  int option_index;
+
+  static struct option long_options[] = {
+    {"grid_type",       required_argument, NULL, 'a'},
+    {"my_grid_file",    required_argument, NULL, 'b'},
+    {"nxbnds",          required_argument, NULL, 'c'},
+    {"nybnds",          required_argument, NULL, 'd'},
+    {"xbnds",           required_argument, NULL, 'e'},
+    {"ybnds",           required_argument, NULL, 'f'},
+    {"nlon",            required_argument, NULL, 'g'},
+    {"nlat",            required_argument, NULL, 'i'},
+    {"lat_join",        required_argument, NULL, 'j'},
+    {"nratio",          required_argument, NULL, 'k'},
+    {"simple_dx",       required_argument, NULL, 'l'},
+    {"simple_dy",       required_argument, NULL, 'm'},
+    {"ndivx",           required_argument, NULL, 'o'},
+    {"ndivy",           required_argument, NULL, 'p'},
+    {"grid_name",       required_argument, NULL, 'q'},
+    {"center",          required_argument, NULL, 'r'},
+    {"help",            no_argument,       NULL, 'h'},    
+    {0, 0, 0, 0},
+  };
+
+  /* start parallel */
+  mpp_init(&argc, &argv);
+  mpp_domain_init();  
+
+  /*
+   * process command line
+   */
+  errflg = argc <3;
+
+  while ((c = getopt_long(argc, argv, "", long_options, &option_index)) != -1) {
+    switch (c) {
+    case 'a':
+      strcpy(grid_type, optarg);
+      break;
+    case 'b':
+      strcpy(entry, optarg);
+      tokenize(entry, ",", STRINGLEN, MAXBOUNDS, my_grid_file, &ntiles_file);
+      break;
+    case 'c':
+      nxbnds0 = atoi(optarg);
+      break;
+    case 'd':
+      nybnds0 = atoi(optarg);
+      break;        
+    case 'e':
+      strcpy(entry, optarg);
+      nxbnds1 = get_double_entry(entry, xbnds);
+      break;
+    case 'f':
+      strcpy(entry, optarg);
+      nybnds1 = get_double_entry(entry, ybnds);
+      break;
+    case 'g':
+      strcpy(entry, optarg);
+      nxbnds2 = get_int_entry(entry, nlon);
+      break;
+    case 'i':
+      strcpy(entry, optarg);
+      nybnds2 = get_int_entry(entry, nlat);
+      break;
+    case 'j':
+      lat_join = atof(optarg);
+      break; 
+    case 'k':
+      nratio = atoi(optarg);
+      break;      
+    case 'l':
+      simple_dx = atof(optarg);
+      break;
+    case 'm':
+      simple_dy = atof(optarg);
+      break;
+    case 'o':
+      strcpy(entry, optarg);
+      ntilex = get_int_entry(entry, ndivx);
+      break;
+    case 'p':
+      strcpy(entry, optarg);
+      ntiley = get_int_entry(entry, ndivy);
+      break;      
+    case 'q':
+      strcpy(gridname, optarg);
+      break;
+    case 'r':
+      strcpy(center, optarg);
+      break;
+    case 'h':
+      errflg++;
+      break;
+    case '?':
+      errflg++;      
+    }      
+  }
+  
+  if (errflg ) {
+    char **u = usage;
+    while (*u) { fprintf(stderr, "%s\n", *u); u++; }
+    exit(2);
+  }  
+
+  /* define history to be the history in the grid file */
+  strcpy(history,argv[0]);
+
+  for(i=1;i<argc;i++) {
+    strcat(history, " ");
+    strcat(history, argv[i]);
+  }
+
+  if(mpp_pe() == mpp_root_pe() ) printf("==>NOTE: the grid type is %s\n",grid_type);
+
+
+  /* check the command-line arguments to make sure the value are suitable */
+
+  if( strcmp(grid_type,"regular_lonlat_grid") ==0 ) {
+    nxbnds = nxbnds0; nybnds = nybnds0;
+    if( nxbnds <2 || nybnds < 2) mpp_error("make_hgrid: grid type is 'regular_lonlat_grid', "
+					   "both nxbnds and nybnds should be no less than 2");
+    if( nxbnds != nxbnds1 || nxbnds != nxbnds2+1 )
+      mpp_error("make_hgrid: grid type is 'regular_lonlat_grid', nxbnds does"
+		"not match number of entry in xbnds or nlon");
+    if( nybnds != nybnds1 || nybnds != nybnds2+1 )
+      mpp_error("make_hgrid: grid type is 'regular_lonlat_grid', nybnds does "
+		"not match number of entry in ybnds or nlat");
+  }
+  else if( strcmp(grid_type,"tripolar_grid") ==0 ) {
+    strcpy(projection, "tripolar");
+    nxbnds = nxbnds0; nybnds = nybnds0;
+    if( nxbnds != 2) mpp_error("make_hgrid: grid type is 'tripolar_grid', nxbnds should be 2");
+    if( nybnds < 2) mpp_error("make_hgrid: grid type is 'tripolar_grid', nybnds should be no less than 2");
+    if( nxbnds != nxbnds1 || nxbnds != nxbnds2+1 )
+      mpp_error("make_hgrid: grid type is 'tripolar_grid', nxbnds does not match number of entry in xbnds or nlon");
+    if( nybnds != nybnds1 || nybnds != nybnds2+1 )
+      mpp_error("make_hgrid: grid type is 'tripolar_grid', nybnds does not match number of entry in ybnds or nlat");
+  }
+  else if( strcmp(grid_type,"from_file") ==0 ) {
+    /* For ascii file, nlon and nlat should be specified through --nlon, --nlat
+       For netcdf file, grid resolution will be read from grid file
+    */
+    
+    if(ntiles_file == 0) mpp_error("make_hgrid: grid_type is 'from_file', but my_grid_file is not specified");
+    ntiles = ntiles_file;
+    for(n=0; n<ntiles; n++) {
+      if(strstr(my_grid_file[n],".nc") ) {
+	/* get the grid size for each tile, the grid is on model grid, should need to multiply by 2 */
+	int fid;
+	fid = mpp_open(my_grid_file[n], MPP_READ);
+	nlon[n] = mpp_get_dimlen(fid, "grid_xt")*2;
+	nlat[n] = mpp_get_dimlen(fid, "grid_yt")*2;
+	mpp_close(fid);
+      }
+      else {
+	if(nxbnds2 != ntiles || nybnds2 != ntiles ) mpp_error("make_hgrid: grid type is 'from_file', number entry entered "
+						"through --nlon and --nlat should be equal to number of files "
+							  "specified through --my_grid_file");
+      }
+    }
+    	/* for simplify purpose, currently we assume all the tile have the same grid size */
+    for(n=1; n<ntiles; n++) {
+      if( nlon[n] != nlon[0] || nlat[n] != nlat[0])  mpp_error("make_hgrid: grid_type is from_file, all the tiles should "
+							       "have same grid size, contact developer");
+    }
+  }
+  else if( strcmp(grid_type,"simple_cartesian_grid") ==0) {
+    strcpy(geometry, "planar");
+    strcpy(north_pole_tile, "none");
+    if(nxbnds1 != 2 || nybnds1 != 2 ) mpp_error("make_hgrid: grid type is 'simple_cartesian_grid', number entry entered "
+						"through --xbnds and --ybnds should be 2");
+    if(nxbnds2 != 1 || nybnds2 != 1 ) mpp_error("make_hgrid: grid type is 'simple_cartesian_grid', number entry entered "
+						"through --nlon and --nlat should be 1");
+    if(simple_dx == 0 || simple_dy == 0) mpp_error("make_hgrid: grid_type is 'simple_cartesian_grid', "
+						   "both simple_dx and simple_dy both should be specified");
+  }
+  else if ( strcmp(grid_type,"spectral_grid") ==0 ) {
+    if(nxbnds2 != 1 || nybnds2 != 1 ) mpp_error("make_hgrid: grid type is 'spectral_grid', number entry entered "
+						"through --nlon and --nlat should be 1");    
+  }
+  else if( strcmp(grid_type,"conformal_cubic_grid") ==0 ) {
+    strcpy(projection, "cube_gnomonic");
+    strcpy(conformal, "FALSE");
+    if(nxbnds2 != 1 ) mpp_error("make_hgrid: grid type is 'conformal_cubic_grid', number entry entered "
+				"through --nlon should be 1");
+    if(nratio < 1) mpp_error("make_hgrid: grid type is 'conformal_cubic_grid', nratio should be a positive integer");
+  }
+  else if(  !strcmp(grid_type,"gnomonic_ed") ) {
+    strcpy(projection, "cube_gnomonic");
+    strcpy(conformal, "FALSE");
+    if(nxbnds2 != 1 ) mpp_error("make_hgrid: grid type is 'gnomonic_cubic_grid', number entry entered "
+				"through --nlon should be 1");
+  }
+  else {
+    mpp_error("make_hgrid: only grid_type = 'regular_lonlat_grid', 'tripolar_grid', 'from_file', "
+	      "'gnomonic_ed', 'conformal_cubic_grid', 'simple_cartesian_grid' and "
+	      "'spectral_grid' is implemented");  
+  }
+  
+  /* get super grid size */
+
+  if( !strcmp(grid_type,"gnomonic_ed") || !strcmp(grid_type,"conformal_cubic_grid") ) {
+    nx = nlon[0];
+    ny = nx;
+  }
+  else {
+    nx = 0;
+    ny = 0;
+    for(n=0; n<nxbnds-1; n++) nx += nlon[n];
+    for(n=0; n<nybnds-1; n++) ny += nlat[n];  
+  }
+  nxp = nx + 1;
+  nyp = ny + 1;
+
+  if( !strcmp(grid_type,"gnomonic_ed") || !strcmp(grid_type,"conformal_cubic_grid") ) {
+    ntiles = 6;
+    /* Cubic grid is required to run on single processor.*/
+    if(mpp_npes() > 1) mpp_error( "make_hgrid: cubic grid generation must be run one processor, contact developer");
+  }
+  /* Currently we restrict nx can be divided by ndivx and ny can be divided by ndivy */
+  if(ntilex >0 && ntilex != ntiles) mpp_error("make_hgrid: number of entry specified through --ndivx does not equal ntiles");
+  if(ntiley >0 && ntiley != ntiles) mpp_error("make_hgrid: number of entry specified through --ndivy does not equal ntiles");   
+  for(n=0; n<ntiles; n++) {
+    if( nx%ndivx[n] ) mpp_error("make_hgrid: nx can not be divided by ndivx");
+    if( ny%ndivy[n] ) mpp_error("make_hgrid: ny can not be divided by ndivy");
+  }
+
+  if(strcmp(center,"none") && strcmp(center,"c_cell") && strcmp(center,"t_cell") )
+    mpp_error("make_hgrid: center should be 'none', 'c_cell' or 't_cell' ");
+  
+  /* set up domain decomposition, x and y will be on global domain and
+     other fields will be on compute domain. 
+  */
+
+  mpp_define_layout( nx, ny, mpp_npes(), layout);
+  mpp_define_domain2d( nx, ny, layout, 0, 0, &domain);
+  mpp_get_compute_domain2d(domain, &isc, &iec, &jsc, &jec);
+  nxc = iec - isc + 1;
+  nyc = jec - jsc + 1;
+
+  /* create grid information */
+  x        = (double *) malloc(nxp*nyp*ntiles*sizeof(double));
+  y        = (double *) malloc(nxp*nyp*ntiles*sizeof(double));
+  dx       = (double *) malloc(nxc*(nyc+1)*ntiles*sizeof(double));
+  dy       = (double *) malloc((nxc+1)*nyc*ntiles*sizeof(double));
+  area     = (double *) malloc(nxc    *nyc*ntiles*sizeof(double));
+  angle_dx = (double *) malloc((nxc+1)*(nyc+1)*ntiles*sizeof(double));
+  if( strcmp(conformal,"true") !=0 )angle_dy = (double *) malloc(nxp*nyp*ntiles*sizeof(double));
+  
+  if(strcmp(grid_type,"regular_lonlat_grid") ==0) 
+    create_regular_lonlat_grid(&nxbnds, &nybnds, xbnds, ybnds, nlon, nlat, &isc, &iec, &jsc, &jec,
+			       x, y, dx, dy, area, angle_dx, center);
+  else if(strcmp(grid_type,"tripolar_grid") ==0) 
+    create_tripolar_grid(&nxbnds, &nybnds, xbnds, ybnds, nlon, nlat, &lat_join, &isc, &iec, &jsc, &jec,
+			 x, y, dx, dy, area, angle_dx, center);
+  else if( strcmp(grid_type,"from_file") ==0 ) {
+    for(n=0; n<ntiles; n++) {
+      int n1, n2, n3, n4;
+      n1 = n * nxp * nyp;
+      n2 = n * nx  * nyp;
+      n3 = n * nxp * ny;
+      n4 = n * nx  * ny;
+      create_grid_from_file(my_grid_file[n], &nx, &ny, x+n1, y+n1, dx+n2, dy+n3, area+n4, angle_dx+n1);
+    }
+  }
+  else if(strcmp(grid_type,"simple_cartesian_grid") ==0) 
+    create_simple_cartesian_grid(xbnds, ybnds, &nx, &ny, &simple_dx, &simple_dy, &isc, &iec, &jsc, &jec,
+				 x, y, dx, dy, area, angle_dx );
+  else if(strcmp(grid_type,"spectral_grid") ==0 )
+    create_spectral_grid(&nx, &ny, &isc, &iec, &jsc, &jec, x, y, dx, dy, area, angle_dx );
+  else if(strcmp(grid_type,"conformal_cubic_grid") ==0 ) 
+    create_conformal_cubic_grid(&nx, &nratio, method, orientation, x, y, dx, dy, area, angle_dx, angle_dy );
+  else if(strcmp(grid_type,"gnomonic_ed") ==0 ) 
+    create_gnomonic_cubic_grid(grid_type, &nx, x, y, dx, dy, area, angle_dx, angle_dy );
+  
+  /* write out data */
+  {
+    int fid, id_tile, id_x, id_y, id_dx, id_dy, id_area, id_angle_dx, id_angle_dy, id_arcx;
+    int dimlist[5], dims[2], i, j, l, ni, nj, nip, njp, m;
+    size_t start[4], nwrite[4];
+    double *tmp, *gdata;
+    char tilename[128] = "";
+    char outfile[128] = "";
+    
+    l = 0;
+    for(n=0 ; n< ntiles; n++) {
+      for(j=0; j<ndivy[n]; j++) {
+	for(i=0; i<ndivx[n]; i++) {
+	  ++l;
+	  sprintf(tilename, "tile%d", l);
+	  if(ntiles>1)
+	    sprintf(outfile, "%s.tile%d.nc", gridname, l);
+	  else
+	    sprintf(outfile, "%s.nc", gridname);
+	  fid = mpp_open(outfile, MPP_WRITE);
+	  /* define dimenison */
+	  ni = nx/ndivx[n];
+	  nj = ny/ndivy[n];
+	  nip = ni + 1;
+	  njp = nj + 1;
+	  dimlist[0] = mpp_def_dim(fid, "string", STRINGLEN);
+	  dimlist[1] = mpp_def_dim(fid, "nx", ni);
+	  dimlist[2] = mpp_def_dim(fid, "ny", nj);
+	  dimlist[3] = mpp_def_dim(fid, "nxp", nip);
+	  dimlist[4] = mpp_def_dim(fid, "nyp", njp);
+	  /* define variable */
+	  if( strcmp(north_pole_tile, "none") == 0) /* no north pole, then no projection */
+	    id_tile = mpp_def_var(fid, "tile", MPP_CHAR, 1, dimlist, 4, "standard_name", "grid_tile_spec",
+				  "geometry", geometry, "discretization", discretization, "conformal", conformal );
+	  else if( strcmp(projection, "none") == 0) 
+	    id_tile = mpp_def_var(fid, "tile", MPP_CHAR, 1, dimlist, 5, "standard_name", "grid_tile_spec",
+				  "geometry", geometry, "north_pole", north_pole_tile, "discretization",
+				  discretization, "conformal", conformal );
+	  else
+	    id_tile = mpp_def_var(fid, "tile", MPP_CHAR, 1, dimlist, 6, "standard_name", "grid_tile_spec",
+				  "geometry", geometry, "north_pole", north_pole_tile, "projection", projection,
+				  "discretization", discretization, "conformal", conformal );
+	  dims[0] = dimlist[4]; dims[1] = dimlist[3];
+	  id_x = mpp_def_var(fid, "x", MPP_DOUBLE, 2, dims, 2, "standard_name", "geographic_longitude",
+			     "units", "degree_east");
+	  id_y = mpp_def_var(fid, "y", MPP_DOUBLE, 2, dims, 2, "standard_name", "geographic_latitude",
+			     "units", "degree_north");
+	  dims[0] = dimlist[4]; dims[1] = dimlist[1];
+	  id_dx = mpp_def_var(fid, "dx", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_edge_x_distance",
+			      "units", "meters");
+	  dims[0] = dimlist[2]; dims[1] = dimlist[3];
+	  id_dy = mpp_def_var(fid, "dy", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_edge_y_distance",
+			      "units", "meters");
+	  dims[0] = dimlist[2]; dims[1] = dimlist[1];
+	  id_area = mpp_def_var(fid, "area", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_cell_area",
+				"units", "m2" );
+	  dims[0] = dimlist[4]; dims[1] = dimlist[3];
+	  id_angle_dx = mpp_def_var(fid, "angle_dx", MPP_DOUBLE, 2, dims, 2, "standard_name",
+				    "grid_vertex_x_angle_WRT_geographic_east", "units", "degrees_east");
+	  if(strcmp(conformal, "true") != 0)
+	    id_angle_dy = mpp_def_var(fid, "angle_dy", MPP_DOUBLE, 2, dims, 2, "standard_name",
+				      "grid_vertex_y_angle_WRT_geographic_north", "units", "degrees_north");
+	  if( strcmp(north_pole_arcx, "none") == 0)
+	    id_arcx = mpp_def_var(fid, "arcx", MPP_CHAR, 1, dimlist, 1, "standard_name", "grid_edge_x_arc_type" );
+	  else
+	    id_arcx = mpp_def_var(fid, "arcx", MPP_CHAR, 1, dimlist, 2, "standard_name", "grid_edge_x_arc_type",
+				  "north_pole", north_pole_arcx );
+	  mpp_def_global_att(fid, "grid_version", grid_version);
+	  mpp_def_global_att(fid, "code_version", tagname);
+	  mpp_def_global_att(fid, "history", history);
+      
+	  mpp_end_def(fid);
+	  for(m=0; m<4; m++) { start[m] = 0; nwrite[m] = 0; }
+	  nwrite[0] = strlen(tilename);
+	  mpp_put_var_value_block(fid, id_tile, start, nwrite, tilename );
+
+          tmp = get_subregion(nxp, x+n*nxp*nyp, i*ni, (i+1)*ni, j*nj, (j+1)*nj);
+	  mpp_put_var_value(fid, id_x, tmp);
+	  free(tmp);
+          tmp = get_subregion(nxp, y+n*nxp*nyp, i*ni, (i+1)*ni, j*nj, (j+1)*nj);
+	  mpp_put_var_value(fid, id_y, tmp);
+	  free(tmp);
+	  gdata = (double *)malloc(nx*nyp*sizeof(double));
+	  mpp_global_field_double(domain, nxc, nyc+1, dx+n*nx*nyp, gdata);
+	  tmp = get_subregion( nx, gdata, i*ni, (i+1)*ni-1, j*nj, (j+1)*nj);
+	  mpp_put_var_value(fid, id_dx, tmp);
+	  free(tmp);
+	  free(gdata);
+	  gdata = (double *)malloc(nxp*ny*sizeof(double));
+	  mpp_global_field_double(domain, nxc+1, nyc, dy+n*nxp*ny, gdata);
+	  tmp = get_subregion( nxp, gdata, i*ni, (i+1)*ni, j*nj, (j+1)*nj-1);
+	  mpp_put_var_value(fid, id_dy, tmp);
+	  free(tmp);
+	  free(gdata);	  
+	  gdata = (double *)malloc(nx*ny*sizeof(double));
+	  mpp_global_field_double(domain, nxc, nyc, area+n*nx*ny, gdata);
+	  tmp = get_subregion( nx, gdata, i*ni, (i+1)*ni-1, j*nj, (j+1)*nj-1);
+	  mpp_put_var_value(fid, id_area, tmp);
+	  free(tmp);
+	  free(gdata);
+	  gdata = (double *)malloc(nxp*nyp*sizeof(double));
+	  mpp_global_field_double(domain, nxc+1, nyc+1, angle_dx+n*nxp*nyp, gdata);
+	  tmp = get_subregion( nxp, gdata, i*ni, (i+1)*ni, j*nj, (j+1)*nj);
+	  mpp_put_var_value(fid, id_angle_dx, tmp);
+	  free(tmp);
+	  free(gdata);
+	  
+	  if(strcmp(conformal, "true") != 0) {
+	    gdata = (double *)malloc(nxp*nyp*sizeof(double));
+	    mpp_global_field_double(domain, nxc+1, nyc+1, angle_dy+n*nxp*nyp, gdata);
+	    tmp = get_subregion( nxp, gdata, i*ni, (i+1)*ni, j*nj, (j+1)*nj);
+	    mpp_put_var_value(fid, id_angle_dy, tmp);
+	    free(tmp);
+	    free(gdata);
+	  }
+	  nwrite[0] = strlen(arcx);
+	  mpp_put_var_value_block(fid, id_arcx, start, nwrite, arcx );
+	  mpp_close(fid);
+	}
+      }
+    }
+  }
+
+  free(x);
+  free(y);
+  free(dx);
+  free(dy);
+  free(area);
+  free(angle_dx);
+  if(strcmp(conformal, "true") != 0) free(angle_dy);
+  if(mpp_pe() == mpp_root_pe()) printf("generate_grid is run successfully. \n");
+
+  mpp_end();
+
+  return 0;
+  
+};  /* end of main */
+
+
diff --git a/gridspec_tools_20080702/tools/make_solo_mosaic/Makefile.am b/gridspec_tools_20080702/tools/make_solo_mosaic/Makefile.am
new file mode 100644
index 0000000..1ce167f
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_solo_mosaic/Makefile.am
@@ -0,0 +1,43 @@
+## This is an automake file, part of Unidata's NetCDF CF Library
+## package. Copyright 2009, see the COPYRIGHT file for more
+## information.
+
+# This automake file is in charge of building the gridspec
+# make_solo_mosaic tool.
+
+# $Id: Makefile.am,v 1.2 2009/04/08 11:30:58 ed Exp $
+
+bin_PROGRAMS = make_solo_mosaic gs_make_solo_mosaic
+make_solo_mosaic_SOURCES = get_contact.c get_contact.h	\
+make_solo_mosaic.c
+gs_make_solo_mosaic_SOURCES = get_contact.c get_contact.h	\
+gs_make_solo_mosaic.c
+
+# Initalize these.
+AM_CPPFLAGS = -I../shared -I../../shared/mosaic
+AM_LDFLAGS = -L../shared -L../../shared/mosaic
+
+# If the user specified a root location for NETCDF, use it.
+if USE_NETCDF_DIR
+AM_CPPFLAGS += -I at NETCDFDIR@/include
+AM_FCFLAGS = -I at NETCDFDIR@/include
+AM_LDFLAGS += -L at NETCDFDIR@/lib
+endif
+
+# If the user specified a root location for HDF5, use it.
+if USE_HDF5_DIR
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diff --git a/gridspec_tools_20080702/tools/make_solo_mosaic/Makefile.in b/gridspec_tools_20080702/tools/make_solo_mosaic/Makefile.in
new file mode 100644
index 0000000..d9c8ca6
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_solo_mosaic/Makefile.in
@@ -0,0 +1,532 @@
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+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
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+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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+
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+
+# This automake file is in charge of building the gridspec
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+install-man:
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+install-pdf: install-pdf-am
+
+install-ps: install-ps-am
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-binPROGRAMS
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-binPROGRAMS \
+	clean-generic clean-libtool ctags distclean distclean-compile \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-binPROGRAMS install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+	pdf pdf-am ps ps-am tags uninstall uninstall-am \
+	uninstall-binPROGRAMS
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/gridspec_tools_20080702/tools/make_solo_mosaic/get_contact.c b/gridspec_tools_20080702/tools/make_solo_mosaic/get_contact.c
new file mode 100644
index 0000000..43a977a
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_solo_mosaic/get_contact.c
@@ -0,0 +1,326 @@
+#include <stdlib.h>
+#include <math.h>
+#include "mosaic_util.h"
+#include "get_contact.h"
+
+
+/************************************************************************************************
+         int get_align_contact(
+  This routine will return number of algined contacts bewteen two tiles (line contact).
+  This routine assume the starting and ending points of the  contact line are coincidence with
+  the grid points of both tiles. lrg_rectangle tiles are assumed. 
+  It will return the contact information, which includes 
+
+*************************************************************************************************/
+
+double* east_bound(const double *data, int nx, int ny);
+double* west_bound(const double *data, int nx, int ny);
+double* south_bound(const double *data, int nx, int ny);
+double* north_bound(const double *data, int nx, int ny);
+#define EPSLN (1.0e-10)
+
+int get_align_contact(int tile1, int tile2, int nx1, int ny1, int nx2, int ny2, 
+                      const double *x1, const double *y1, const double *x2, 
+                      const double *y2, double periodx, double periody,
+		      int *istart1, int *iend1, int *jstart1, int *jend1, 
+                      int *istart2, int *iend2, int *jstart2, int *jend2)
+{
+  double *xb1, *yb1, *xb2, *yb2;
+  int ncontact, start1, end1, start2, end2;
+  
+  ncontact = 0;
+  /* East bound of tile1 and west bound of tile2 */
+  xb1 = east_bound(x1, nx1, ny1);
+  yb1 = east_bound(y1, nx1, ny1);
+  xb2 = west_bound(x2, nx2, ny2);
+  yb2 = west_bound(y2, nx2, ny2);
+  if( get_contact_index( ny1, ny2, xb1, yb1, xb2, yb2, periodx, 0.0, &start1, &end1, &start2, &end2) ) {
+    istart1[ncontact] = nx1-1;
+    iend1[ncontact]   = nx1-1;
+    istart2[ncontact] = 1;
+    iend2[ncontact]   = 1;    
+    jstart1[ncontact] = start1;
+    jend1[ncontact]   = end1;
+    jstart2[ncontact] = start2;
+    jend2[ncontact]   = end2;
+    ncontact++;   
+  }
+
+  /* East bound of tile1 and SOUTH bound of tile2, tile1 and tile must be different tile */
+  if(tile1 != tile2) {
+    free(xb2);
+    free(yb2);
+    xb2 = south_bound(x2, nx2, ny2);
+    yb2 = south_bound(y2, nx2, ny2);
+    if( get_contact_index( ny1, nx2, xb1, yb1, xb2, yb2, 0.0, 0.0, &start1, &end1, &start2, &end2) ) {
+      istart1[ncontact] = nx1-1;
+      iend1[ncontact]   = nx1-1;
+      istart2[ncontact] = start2;
+      iend2[ncontact]   = end2;    
+      jstart1[ncontact] = start1;
+      jend1[ncontact]   = end1;
+      jstart2[ncontact] = 1;
+      jend2[ncontact]   = 1;
+      ncontact++;
+    }
+  }
+  free(xb1);
+  free(yb1);   
+  free(xb2);
+  free(yb2);  
+  
+  /* South bound of tile1 and NORTH bound of tile2 */
+  xb1 = south_bound(x1, nx1, ny1);
+  yb1 = south_bound(y1, nx1, ny1);
+  xb2 = north_bound(x2, nx2, ny2);
+  yb2 = north_bound(y2, nx2, ny2);
+  if( get_contact_index( nx1, nx2, xb1, yb1, xb2, yb2, 0.0, periody, &start1, &end1, &start2, &end2) ) {
+    istart1[ncontact] = start1;
+    iend1[ncontact]   = end1;
+    istart2[ncontact] = start2;
+    iend2[ncontact]   = end2;    
+    jstart1[ncontact] = 1;
+    jend1[ncontact]   = 1;
+    jstart2[ncontact] = ny2-1;
+    jend2[ncontact]   = ny2-1;
+    ncontact++;
+  }
+
+  /* South bound of tile1 and East bound of tile2, tile1 and tile must be different tile*/  
+  if(tile1 != tile2 ) {
+    free(xb2);
+    free(yb2);
+    xb2 = east_bound(x2, nx2, ny2);
+    yb2 = east_bound(y2, nx2, ny2);
+    if( get_contact_index( nx1, ny2, xb1, yb1, xb2, yb2, 0.0, 0.0, &start1, &end1, &start2, &end2) ) {
+      istart1[ncontact] = start1;
+      iend1[ncontact]   = end1;
+      istart2[ncontact] = nx2-1;
+      iend2[ncontact]   = nx2-1;    
+      jstart1[ncontact] = 1;
+      jend1[ncontact]   = 1;
+      jstart2[ncontact] = start2;
+      jend2[ncontact]   = end2;
+      ncontact++;
+    }
+  }
+  free(xb1);
+  free(yb1);   
+  free(xb2);
+  free(yb2);  
+
+  /* to avoid duplicate, the following will be done only when tile1 not equal to tile2 */
+  if(tile1 != tile2) {
+    /* West bound of tile1 and east bound of tile2*/
+    xb1 = west_bound(x1, nx1, ny1);
+    yb1 = west_bound(y1, nx1, ny1);
+    xb2 = east_bound(x2, nx2, ny2);
+    yb2 = east_bound(y2, nx2, ny2);
+    if( get_contact_index( ny1, ny2, xb1, yb1, xb2, yb2, periodx, 0.0, &start1, &end1, &start2, &end2) ) {
+      istart1[ncontact] = 1;
+      iend1[ncontact]   = 1;
+      istart2[ncontact] = nx2-1;
+      iend2[ncontact]   = nx2-1;    
+      jstart1[ncontact] = start1;
+      jend1[ncontact]   = end1;
+      jstart2[ncontact] = start2;
+      jend2[ncontact]   = end2;
+      ncontact++;
+    }
+    free(xb2);
+    free(yb2);
+
+    /* West bound of tile1 and North bound of tile2 */  
+    xb2 = north_bound(x2, nx2, ny2);
+    yb2 = north_bound(y2, nx2, ny2);
+    if( get_contact_index( ny1, nx2, xb1, yb1, xb2, yb2, 0.0, 0.0, &start1, &end1, &start2, &end2) ) {
+      istart1[ncontact] = 1;
+      iend1[ncontact]   = 1;
+      istart2[ncontact] = start2;
+      iend2[ncontact]   = end2;    
+      jstart1[ncontact] = start1;
+      jend1[ncontact]   = end1;
+      jstart2[ncontact] = ny2-1;
+      jend2[ncontact]   = ny2-1;
+      ncontact++;
+    }
+    free(xb1);
+    free(yb1);   
+    free(xb2);
+    free(yb2);  
+
+  
+    /* North bound of tile1 and South bound of tile2 */
+    xb1 = north_bound(x1, nx1, ny1);
+    yb1 = north_bound(y1, nx1, ny1);
+    xb2 = south_bound(x2, nx2, ny2);
+    yb2 = south_bound(y2, nx2, ny2);
+    if( get_contact_index( nx1, nx2, xb1, yb1, xb2, yb2, 0.0, periody, &start1, &end1, &start2, &end2) ) {
+      istart1[ncontact] = start1;
+      iend1[ncontact]   = end1;
+      istart2[ncontact] = start2;
+      iend2[ncontact]   = end2;    
+      jstart1[ncontact] = ny1-1;
+      jend1[ncontact]   = ny1-1;
+      jstart2[ncontact] = 1;
+      jend2[ncontact]   = 1;
+      ncontact++;
+    }
+    free(xb2);
+    free(yb2);
+
+    /* North bound of tile1 and West bound of tile2 */  
+    xb2 = west_bound(x2, nx2, ny2);
+    yb2 = west_bound(y2, nx2, ny2);
+    if( get_contact_index( nx1, ny2, xb1, yb1, xb2, yb2, 0.0, 0.0, &start1, &end1, &start2, &end2) ) {
+      istart1[ncontact] = start1;
+      iend1[ncontact]   = end1;
+      istart2[ncontact] = 1;
+      iend2[ncontact]   = 1;    
+      jstart1[ncontact] = ny1-1;
+      jend1[ncontact]   = ny1-1;
+      jstart2[ncontact] = start2;
+      jend2[ncontact]   = end2;
+      ncontact++;
+    }
+    free(xb1);
+    free(yb1);   
+    free(xb2);
+    free(yb2);  
+  }
+
+  /* when tile1 = tile2, we need to consider about folded. Only foled north is considered here */
+  if(tile1 == tile2) {
+    int i, folded = 1;
+    double dx;
+    xb1 = north_bound(x1, nx1, ny1);
+    yb1 = north_bound(y1, nx1, ny1);
+    for(i=0; i<nx1/2; i++) {
+      if( yb1[i] != yb1[nx1-i-1] ) {
+	folded = 0;
+	break;
+      }
+      dx = fabs(xb1[i] - xb1[nx1-i-1]);
+      if( dx !=0 && dx != 360 ) {
+	folded = 0;
+	break;
+      }
+    }
+    if(folded) {
+      istart1[ncontact] = 1;
+      iend1[ncontact]   = nx1/2;
+      istart2[ncontact] = nx1-1;
+      iend2[ncontact]   = nx1/2+1;    
+      jstart1[ncontact] = ny1-1;
+      jend1[ncontact]   = ny1-1;
+      jstart2[ncontact] = ny1-1;
+      jend2[ncontact]   = ny1-1;
+      ncontact++;
+    }
+    free(xb1);
+    free(yb1);
+  }
+  
+  return ncontact;
+  
+};
+
+
+int get_contact_index( int size1, int size2, double *x1, double *y1, double *x2, double *y2, double periodx,
+		       double periody, int *start1, int *end1, int *start2, int *end2)
+{
+  int i1, i2;
+  double dx, dy;
+
+  /* Find the first point in tile 1 cocindent with a point in tile2  */
+  *start1 = -1;
+  *start2 = -1;
+  for(i1=0; i1<size1; i1++) {
+    for(i2=0; i2<size2; i2++) {
+      dx = fabs(x1[i1]- x2[i2]);
+      dx = min(dx, fabs(dx-periodx));
+      dy = fabs(y1[i1]- y2[i2]);
+      dy = min(dy, fabs(dy-periody));
+      if( dx < EPSLN && dy <EPSLN ) {
+	*start1 = i1+1;
+	*start2 = i2+1;
+	goto foundstart;
+      }
+    }
+  }
+
+  return 0;
+    
+  foundstart:
+
+  /* Find the last point in tile 1 cocindent with a point in tile2 */
+  *end1 = -1;
+  *end2 = -1;
+  for(i1=size1-1; i1>=0; i1--) {
+    for(i2=size2-1; i2>=0; i2--) {
+      dx = fabs(x1[i1]- x2[i2]);
+      dx = min(dx, fabs(dx-periodx));
+      dy = fabs(y1[i1]- y2[i2]);
+      dy = min(dy, fabs(dy-periody));
+      if( dx < EPSLN && dy <EPSLN ) {
+	*end1 = i1+1;
+	*end2 = i2+1;
+	goto foundend;
+      }
+    }
+  }
+
+  return 0;
+    
+ foundend: if( *start1 == *end1 || *start2 == *end2 ) return 0;
+
+  if(*start1 > *end1 )
+    (*start1)--;
+  else
+    (*end1)--;
+
+  if(*start2 > *end2 )
+    (*start2)--;
+  else
+    (*end2)--;  
+
+  return 1;
+    
+};
+
+
+double* west_bound(const double *data, int nx, int ny)
+{
+  int i;
+  double *bnd;
+  bnd = (double *)malloc(ny*sizeof(double));
+  for(i=0; i<ny; i++) bnd[i] = data[i*nx];
+  return bnd;
+}
+
+double* east_bound(const double *data, int nx, int ny)
+{
+  int i;
+  double *bnd;
+  bnd = (double *)malloc(ny*sizeof(double));
+  for(i=0; i<ny; i++) bnd[i] = data[i*nx+nx-1];
+  return bnd;
+}
+
+double* south_bound(const double *data, int nx, int ny)
+{
+  int i;
+  double *bnd;
+  bnd = (double *)malloc(nx*sizeof(double));
+  for(i=0; i<nx; i++) bnd[i] = data[i];
+  return bnd;
+}
+
+double* north_bound(const double *data, int nx, int ny)
+{
+  int i;
+  double *bnd;
+  bnd = (double *)malloc(nx*sizeof(double));
+  for(i=0; i<nx; i++) bnd[i] = data[(ny-1)*nx+i];
+  return bnd;
+}
diff --git a/gridspec_tools_20080702/tools/make_solo_mosaic/get_contact.h b/gridspec_tools_20080702/tools/make_solo_mosaic/get_contact.h
new file mode 100644
index 0000000..c881609
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_solo_mosaic/get_contact.h
@@ -0,0 +1,13 @@
+#ifndef GET_CONTACT_
+#define GET_CONTACT_
+/**********************************************************************
+                       get_contact.h
+    This header file is used to compute aligned-contact between tiles
+**********************************************************************/
+
+int get_align_contact(int tile1, int tile2, int nx1, int ny1, int nx2, int ny2, 
+                      const double *x1, const double *y1, const double *x2, 
+                      const double *y2, double periodx, double periody,
+		      int *istart1, int *iend1, int *jstart1, int *jend1, 
+                      int *istart2, int *iend2, int *jstart2, int *jend2);
+#endif
diff --git a/gridspec_tools_20080702/tools/make_solo_mosaic/gs_make_solo_mosaic.c b/gridspec_tools_20080702/tools/make_solo_mosaic/gs_make_solo_mosaic.c
new file mode 100644
index 0000000..748ddfb
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_solo_mosaic/gs_make_solo_mosaic.c
@@ -0,0 +1,152 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <getopt.h>
+#include "get_contact.h"
+#include "constant.h"
+#include "mpp_io.h"
+
+char *usage[] = {
+   "",
+   " make_solo_mosaic --num_tiles ntiles --dir directory [--mosaic_name mosaic_name] ",
+   "                 [--tile_file tile_file] [--periodx #] [--periody #]             ",
+   "                                                                                 ",
+   "make_solo_mosaic generates Mosaic information between tiles. The mosaic          ",
+   "information includes: list of tile files, list of contact region                 ",
+   "specified by index, contact type.                                                ",
+   "                                                                                 ",
+   "make_solo_mosaic takes the following flags:                                      ",
+   "                                                                                 ",
+   "REQUIRED:                                                                        ",
+   "                                                                                 ",
+   "--num_tiles ntiles     Number of tiles in the mosaic.                            ",
+   "                                                                                 ",
+   "--dir directory        The directory that contains all the tile grid file.       ",
+   "                                                                                 ",
+   "OPTIONAL FLAGS                                                                   ",
+   "                                                                                 ",
+   "--mosaic_name name     mosaic name. The output file will be mosaic_name.nc.      ",
+   "                       default is 'mosaic'.                                      ",
+   "                                                                                 ",
+   "--tile_file tile_file  Grid file name of all tiles in the mosaic. The file name  ",
+   "                       should be relative file name ( exclude the absolute       "
+   "                       file path). The absolute file path will be dir/tile_file. ",
+   "                       If this option is not specified, the tile_file will be    ",
+   "                       'horizontal_grid.tile#.nc'                                ",
+   "                                                                                 ",
+   "--periodx #             Specify the period in x-direction of mosaic. Default     ",
+   "                        value is 0 (not periodic).                               ",
+   "                                                                                 ",
+   "--periody #             Specify the period in y-direction of mosaic. Default     ",
+   "                        value is 0 (not periodic).                               ",  
+   NULL};
+ 
+const int MAXTILE = 100;
+const int MAXCONTACT = 100;
+const int SHORTSTRING = 32;
+char grid_version[] = "0.2";
+char tagname[] = "$Name:  $";
+
+main (int argc, char *argv[])
+{
+  
+   extern char *optarg;
+   char *pch=NULL, *dir=NULL, history[512], entry[1280];
+   char tilefile[MAXTILE][STRING], tiletype[MAXTILE][SHORTSTRING];
+   char tile_name[MAXTILE][STRING];
+   int ntiles=0, nfiles=0, ncontact=0;
+   int *nxp, *nyp;
+   double **x, **y;
+   double periodx=0, periody=0;
+   int contact_tile1[MAXCONTACT], contact_tile2[MAXCONTACT];
+   int contact_tile1_istart[MAXCONTACT], contact_tile1_iend[MAXCONTACT];
+   int contact_tile1_jstart[MAXCONTACT], contact_tile1_jend[MAXCONTACT];
+   int contact_tile2_istart[MAXCONTACT], contact_tile2_iend[MAXCONTACT];
+   int contact_tile2_jstart[MAXCONTACT], contact_tile2_jend[MAXCONTACT];
+   char mosaic_name[128] = "solo_mosaic";
+   char grid_descriptor[128] = "";
+   int c, i, n, m, l, errflg;
+   int ret;
+  
+   int option_index = 0;
+   static struct option long_options[] = {
+      {"mosaic_name",     required_argument, NULL, 'm'},
+      {"num_tiles",       required_argument, NULL, 'n'},
+      {"grid_descriptor", required_argument, NULL, 'g'},
+      {"tile_file",       required_argument, NULL, 'f'},  
+      {"periodx",         required_argument, NULL, 'x'},
+      {"periody",         required_argument, NULL, 'y'},
+      {"directory",       required_argument, NULL, 'd'},
+      {NULL, 0, NULL, 0}
+   };
+
+   mpp_init(&argc, &argv);
+   /* this tool must be run one processor */
+   if(mpp_npes()>1) mpp_error("make_solo_mosaic: this tool must be run on one processor");
+  
+   errflg = (argc == 1);
+   /* First read command line arguments. */
+
+   while ((c = getopt_long(argc, argv, "h", long_options, &option_index)) != -1) {
+      switch (c) {
+	 case 'n':
+	    ntiles = atoi(optarg);
+	    break;
+	 case 'm':
+	    strcpy(mosaic_name, optarg);
+	    break;
+	 case 'g':
+	    strcpy(grid_descriptor, optarg);
+	    break;
+	 case 'f':
+	    strcpy(entry, optarg); 
+	    pch = strtok(entry, ", ");
+	    nfiles = 0;
+	    while( pch != NULL) {
+	       strcpy(tilefile[nfiles++], pch);
+	       pch = strtok(NULL, ", ");
+	    }
+	    break;
+	 case 'x':
+	    periodx = atof(optarg);
+	    break;
+	 case 'y':
+	    periody = atof(optarg);
+	    break; 
+	 case 'd':  // path of the simple grid file.
+	    dir = optarg;
+	    break;
+	 case '?':
+	    errflg++;
+      }
+   }
+
+   if (errflg || ntiles < 1 || !dir ) {
+      char **u = usage;
+      while (*u) { fprintf(stderr, "%s\n", *u); u++; }
+      exit(2);      
+   }
+
+   strcpy(history,argv[0]);
+
+   for(i=1;i<argc;i++) {
+      strcat(history, " ");
+      strcat(history, argv[i]);
+   }
+
+   if(ntiles > MAXTILE) {
+      mpp_error("make_solo_mosaic: number of tiles is greater than MAXTILE.");
+   }
+
+   if ((ret = gs_make_solo_mosaic(history, ntiles, mosaic_name, grid_descriptor,
+                                  tilefile, periodx, periody, dir)))
+      return ret;
+  
+   printf("congradulation: You have successfully run make_solo_mosaic\n");
+
+   return 0;
+  
+}; // end of main
+
+
+
diff --git a/gridspec_tools_20080702/tools/make_solo_mosaic/make_solo_mosaic.c b/gridspec_tools_20080702/tools/make_solo_mosaic/make_solo_mosaic.c
new file mode 100644
index 0000000..3f7bf27
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_solo_mosaic/make_solo_mosaic.c
@@ -0,0 +1,287 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <getopt.h>
+#include "get_contact.h"
+#include "constant.h"
+#include "mpp_io.h"
+
+char *usage[] = {
+  "",
+  " make_solo_mosaic --num_tiles ntiles --dir directory [--mosaic_name mosaic_name] ",
+  "                 [--tile_file tile_file] [--periodx #] [--periody #]             ",
+  "                                                                                 ",
+  "make_solo_mosaic generates Mosaic information between tiles. The mosaic          ",
+  "information includes: list of tile files, list of contact region                 ",
+  "specified by index, contact type.                                                ",
+  "                                                                                 ",
+  "make_solo_mosaic takes the following flags:                                      ",
+  "                                                                                 ",
+  "REQUIRED:                                                                        ",
+  "                                                                                 ",
+  "--num_tiles ntiles     Number of tiles in the mosaic.                            ",
+  "                                                                                 ",
+  "--dir directory        The directory that contains all the tile grid file.       ",
+  "                                                                                 ",
+  "OPTIONAL FLAGS                                                                   ",
+  "                                                                                 ",
+  "--mosaic_name name     mosaic name. The output file will be mosaic_name.nc.      ",
+  "                       default is 'mosaic'.                                      ",
+  "                                                                                 ",
+  "--tile_file tile_file  Grid file name of all tiles in the mosaic. The file name  ",
+  "                       should be relative file name ( exclude the absolute       "
+  "                       file path). The absolute file path will be dir/tile_file. ",
+  "                       If this option is not specified, the tile_file will be    ",
+  "                       'horizontal_grid.tile#.nc'                                ",
+  "                                                                                 ",
+  "--periodx #             Specify the period in x-direction of mosaic. Default     ",
+  "                        value is 0 (not periodic).                               ",
+  "                                                                                 ",
+  "--periody #             Specify the period in y-direction of mosaic. Default     ",
+  "                        value is 0 (not periodic).                               ",  
+  NULL};
+ 
+const int MAXTILE = 100;
+const int MAXCONTACT = 100;
+const int SHORTSTRING = 32;
+char grid_version[] = "0.2";
+char tagname[] = "$Name:  $";
+
+main (int argc, char *argv[])
+{
+  
+  extern char *optarg;
+  char *pch=NULL, *dir=NULL, history[512], entry[1280];
+  char tilefile[MAXTILE][STRING], tiletype[MAXTILE][SHORTSTRING];
+  char tile_name[MAXTILE][STRING];
+  int ntiles=0, nfiles=0, ncontact=0;
+  int *nxp, *nyp;
+  double **x, **y;
+  double periodx=0, periody=0;
+  int contact_tile1[MAXCONTACT], contact_tile2[MAXCONTACT];
+  int contact_tile1_istart[MAXCONTACT], contact_tile1_iend[MAXCONTACT];
+  int contact_tile1_jstart[MAXCONTACT], contact_tile1_jend[MAXCONTACT];
+  int contact_tile2_istart[MAXCONTACT], contact_tile2_iend[MAXCONTACT];
+  int contact_tile2_jstart[MAXCONTACT], contact_tile2_jend[MAXCONTACT];
+  char mosaic_name[128] = "solo_mosaic";
+  char grid_descriptor[128] = "";
+  int c, i, n, m, l, errflg;
+  
+  int option_index = 0;
+  static struct option long_options[] = {
+    {"mosaic_name",     required_argument, NULL, 'm'},
+    {"num_tiles",       required_argument, NULL, 'n'},
+    {"grid_descriptor", required_argument, NULL, 'g'},
+    {"tile_file",       required_argument, NULL, 'f'},  
+    {"periodx",         required_argument, NULL, 'x'},
+    {"periody",         required_argument, NULL, 'y'},
+    {"directory",       required_argument, NULL, 'd'},
+    {NULL, 0, NULL, 0}
+  };
+
+  mpp_init(&argc, &argv);
+  /* this tool must be run one processor */
+  if(mpp_npes()>1) mpp_error("make_solo_mosaic: this tool must be run on one processor");
+  
+  errflg = (argc == 1);
+  /* First read command line arguments. */
+
+  while ((c = getopt_long(argc, argv, "h", long_options, &option_index)) != -1) {
+    switch (c) {
+    case 'n':
+      ntiles = atoi(optarg);
+      break;
+    case 'm':
+      strcpy(mosaic_name, optarg);
+      break;
+    case 'g':
+      strcpy(grid_descriptor, optarg);
+      break;
+    case 'f':
+      strcpy(entry, optarg); 
+      pch = strtok(entry, ", ");
+      nfiles = 0;
+      while( pch != NULL) {
+        strcpy(tilefile[nfiles++], pch);
+	pch = strtok(NULL, ", ");
+      }
+      break;
+    case 'x':
+      periodx = atof(optarg);
+      break;
+    case 'y':
+      periody = atof(optarg);
+      break; 
+    case 'd':  // path of the simple grid file.
+      dir = optarg;
+      break;
+    case '?':
+      errflg++;
+    }
+  }
+
+  if (errflg || ntiles < 1 || !dir ) {
+    char **u = usage;
+    while (*u) { fprintf(stderr, "%s\n", *u); u++; }
+    exit(2);      
+  }
+
+  strcpy(history,argv[0]);
+
+  for(i=1;i<argc;i++) {
+    strcat(history, " ");
+    strcat(history, argv[i]);
+  }
+
+  if(ntiles > MAXTILE) {
+    mpp_error("make_solo_mosaic: number of tiles is greater than MAXTILE.");
+  }
+    
+  /*--- if file name is not specified through -f, file name will be horizontal_grid.tile#.nc */
+  if(nfiles == 0) {
+    if(ntiles == 1) {
+      sprintf(tilefile[0],"horizontal_grid.nc");
+    }
+    else {
+      for(n=0; n<ntiles; n++) {
+	sprintf(tilefile[n],"horizontal_grid.tile%d.nc",n+1);
+      }
+    }
+  }
+  else { /* Check if ntile are matching number of grid file passed through -f */
+    if( nfiles != ntiles) mpp_error("make_solo_mosaic: number of grid files specified through -n "
+				   " does not equal to number of files specified through -f = ");
+  }
+
+  n = strlen(dir);
+  if( dir[n-1] != '/') strcat(dir, "/");
+
+  /*First read all the grid files.*/
+  nxp = (int *)malloc(ntiles*sizeof(int));
+  nyp = (int *)malloc(ntiles*sizeof(int));
+  x = (double **)malloc(ntiles*sizeof(double *));
+  y = (double **)malloc(ntiles*sizeof(double *));
+  for(n=0; n<ntiles; n++) {
+    char filepath[512];
+    int fid, vid;
+    sprintf(filepath, "%s%s",dir, tilefile[n]);
+    fid = mpp_open(filepath, MPP_READ);
+    nxp[n] = mpp_get_dimlen(fid, "nxp");
+    nyp[n] = mpp_get_dimlen(fid, "nyp");
+    x[n] = (double *)malloc(nxp[n]*nyp[n]*sizeof(double));
+    y[n] = (double *)malloc(nxp[n]*nyp[n]*sizeof(double));
+    vid = mpp_get_varid(fid, "tile");
+    mpp_get_var_value(fid, vid, tile_name[n]);
+    vid = mpp_get_varid(fid, "x");
+    mpp_get_var_value(fid, vid, x[n]);
+    vid = mpp_get_varid(fid, "y");
+    mpp_get_var_value(fid, vid, y[n]);
+    mpp_close(fid);
+  }
+
+
+  /*find the contact region between tiles, currently assume the contact region are align-contact
+    There should be no contact between same directions of two tiles ( w-w, e-e, s-s, n-n)
+    We assume no contact between w-s, e-n ( will added in if needed ) . */
+  ncontact = 0;
+  for(n=0; n<ntiles; n++) {
+    for(m=n; m<ntiles; m++) {
+      int count;
+      int istart1[MAXCONTACT], iend1[MAXCONTACT], jstart1[MAXCONTACT], jend1[MAXCONTACT];
+      int istart2[MAXCONTACT], iend2[MAXCONTACT], jstart2[MAXCONTACT], jend2[MAXCONTACT];
+      count = get_align_contact(n+1, m+1, nxp[n], nyp[n], nxp[m], nyp[m], x[n], y[n], x[m], y[m],
+				periodx, periody, istart1, iend1, jstart1, jend1, istart2, iend2,
+				jstart2, jend2);
+      if(ncontact+count>MAXCONTACT) mpp_error("make_solo_mosaic: number of contacts is more than MAXCONTACT");
+      for(l=0; l<count; l++) {
+	contact_tile1_istart[ncontact] = istart1[l];
+	contact_tile1_iend  [ncontact] = iend1[l];
+	contact_tile1_jstart[ncontact] = jstart1[l];
+	contact_tile1_jend  [ncontact] = jend1[l];
+	contact_tile2_istart[ncontact] = istart2[l];
+	contact_tile2_iend  [ncontact] = iend2[l];
+	contact_tile2_jstart[ncontact] = jstart2[l];
+	contact_tile2_jend  [ncontact] = jend2[l];
+	contact_tile1       [ncontact] = n;
+	contact_tile2       [ncontact] = m;
+	ncontact++;
+      }
+    }
+  }
+
+  /* write out data */
+  {
+    char str[STRING], outfile[STRING];
+    int fid, dim_ntiles, dim_ncontact, dim_string, id_mosaic, id_gridtiles, id_contacts;
+    int id_contact_index, id_griddir, id_gridfiles, dim[2];
+    size_t start[4], nwrite[4];
+
+    sprintf(outfile, "%s.nc", mosaic_name);
+    fid = mpp_open(outfile, MPP_WRITE);
+    /* define dimenison */
+    dim_ntiles = mpp_def_dim(fid, "ntiles", ntiles);
+    if(ncontact>0) dim_ncontact = mpp_def_dim(fid, "ncontact", ncontact);
+    dim_string = mpp_def_dim(fid, "string", STRING);    
+    /* define variable */
+    id_mosaic = mpp_def_var(fid, "mosaic", MPP_CHAR, 1, &dim_string, 4, "standard_name",
+			    "grid_mosaic_spec", "children", "gridtiles", "contact_regions", "contacts",
+			    "grid_descriptor", grid_descriptor);
+    dim[0] = dim_ntiles; dim[1] = dim_string;
+    id_griddir   = mpp_def_var(fid, "gridlocation", MPP_CHAR, 1, &dim[1], 1,
+			       "standard_name", "grid_file_location");
+    id_gridfiles = mpp_def_var(fid, "gridfiles", MPP_CHAR, 2, dim, 0);
+    id_gridtiles = mpp_def_var(fid, "gridtiles", MPP_CHAR, 2, dim, 0);
+
+    if(ncontact>0) {
+      dim[0] = dim_ncontact; dim[1] = dim_string;
+      id_contacts = mpp_def_var(fid, "contacts", MPP_CHAR, 2, dim, 5, "standard_name", "grid_contact_spec",
+				"contact_type", "boundary", "alignment", "true",
+				"contact_index", "contact_index", "orientation", "orient");
+      id_contact_index = mpp_def_var(fid, "contact_index", MPP_CHAR, 2, dim, 1, "standard_name",
+				     "starting_ending_point_index_of_contact");
+
+    }
+    mpp_def_global_att(fid, "grid_version", grid_version);
+    mpp_def_global_att(fid, "code_version", tagname);
+    mpp_def_global_att(fid, "history", history);
+    mpp_end_def(fid);
+
+    /* write out data */
+    for(i=0; i<4; i++) {
+      start[i] = 0; nwrite[i] = 1;
+    }
+    nwrite[0] = strlen(mosaic_name);
+    mpp_put_var_value_block(fid, id_mosaic, start, nwrite, mosaic_name);
+    nwrite[0] = strlen(dir);
+    mpp_put_var_value_block(fid, id_griddir, start, nwrite, dir);
+    nwrite[0] = 1;
+    for(n=0; n<ntiles; n++) {
+      start[0] = n; nwrite[1] = strlen(tile_name[n]);
+      mpp_put_var_value_block(fid, id_gridtiles, start, nwrite, tile_name[n]);
+      nwrite[1] = strlen(tilefile[n]);
+      mpp_put_var_value_block(fid, id_gridfiles, start, nwrite, tilefile[n]);
+    }
+    
+    for(n=0; n<ncontact; n++) {
+      sprintf(str,"%s:%s::%s:%s", mosaic_name, tile_name[contact_tile1[n]], mosaic_name,
+	      tile_name[contact_tile2[n]]);
+      start[0] = n; nwrite[1] = strlen(str);
+      mpp_put_var_value_block(fid, id_contacts, start, nwrite, str);
+      sprintf(str,"%d:%d,%d:%d::%d:%d,%d:%d", contact_tile1_istart[n], contact_tile1_iend[n],
+	      contact_tile1_jstart[n], contact_tile1_jend[n], contact_tile2_istart[n],
+	      contact_tile2_iend[n], contact_tile2_jstart[n], contact_tile2_jend[n] );
+      nwrite[1] = strlen(str);
+      mpp_put_var_value_block(fid, id_contact_index, start, nwrite, str);
+    }
+    mpp_close(fid);    
+  }
+
+  
+  printf("congradulation: You have successfully run make_solo_mosaic\n");
+
+  return 0;
+  
+}; // end of main
+
+
+
diff --git a/gridspec_tools_20080702/tools/make_topog/Makefile.am b/gridspec_tools_20080702/tools/make_topog/Makefile.am
new file mode 100644
index 0000000..4a39d34
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_topog/Makefile.am
@@ -0,0 +1,41 @@
+## This is an automake file, part of Unidata's NetCDF CF Library
+## package. Copyright 2009, see the COPYRIGHT file for more
+## information.
+
+# This automake file is in charge of building the gridspec
+# make_topog tool.
+
+# $Id: Makefile.am,v 1.2 2009/04/07 22:02:40 ed Exp $
+
+bin_PROGRAMS = make_topog gs_make_topog
+make_topog_SOURCES = make_topog.c  topog.c  topog.h
+gs_make_topog_SOURCES = make_topog.c  topog.c  topog.h
+
+# Initalize these.
+AM_CPPFLAGS = -I../shared -I../../shared/mosaic
+AM_LDFLAGS = -L../shared -L../../shared/mosaic
+
+# If the user specified a root location for NETCDF, use it.
+if USE_NETCDF_DIR
+AM_CPPFLAGS += -I at NETCDFDIR@/include
+AM_FCFLAGS = -I at NETCDFDIR@/include
+AM_LDFLAGS += -L at NETCDFDIR@/lib
+endif
+
+# If the user specified a root location for HDF5, use it.
+if USE_HDF5_DIR
+AM_CPPFLAGS += -I at HDF5DIR@/include
+AM_LDFLAGS += -L at HDF5DIR@/lib
+endif
+
+# We need the netCDF library, of course!
+LDADD = -ltoolsshared -lshared -lnetcdf
+
+# If the user is building with netCDF-4, we also have to link to the
+# HDF5 high-level library, and the HDF5 library, and the zlib
+# compression library.
+if USE_NETCDF4
+LDADD += -lhdf5_hl -lhdf5 -lz
+endif # USE_NETCDF4
+
+
diff --git a/gridspec_tools_20080702/tools/make_topog/Makefile.in b/gridspec_tools_20080702/tools/make_topog/Makefile.in
new file mode 100644
index 0000000..85fc7a2
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_topog/Makefile.in
@@ -0,0 +1,524 @@
+# Makefile.in generated by automake 1.10.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+ at SET_MAKE@
+
+# This automake file is in charge of building the gridspec
+# make_topog tool.
+
+# $Id: Makefile.am,v 1.2 2009/04/07 22:02:40 ed Exp $
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+build_triplet = @build@
+host_triplet = @host@
+bin_PROGRAMS = make_topog$(EXEEXT) gs_make_topog$(EXEEXT)
+
+# If the user specified a root location for NETCDF, use it.
+ at USE_NETCDF_DIR_TRUE@am__append_1 = -I at NETCDFDIR@/include
+ at USE_NETCDF_DIR_TRUE@am__append_2 = -L at NETCDFDIR@/lib
+
+# If the user specified a root location for HDF5, use it.
+ at USE_HDF5_DIR_TRUE@am__append_3 = -I at HDF5DIR@/include
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+ at USE_NETCDF4_TRUE@am__append_5 = -lhdf5_hl -lhdf5 -lz
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+target_alias = @target_alias@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+make_topog_SOURCES = make_topog.c  topog.c  topog.h
+gs_make_topog_SOURCES = make_topog.c  topog.c  topog.h
+
+# Initalize these.
+AM_CPPFLAGS = -I../shared -I../../shared/mosaic $(am__append_1) \
+	$(am__append_3)
+AM_LDFLAGS = -L../shared -L../../shared/mosaic $(am__append_2) \
+	$(am__append_4)
+ at USE_NETCDF_DIR_TRUE@AM_FCFLAGS = -I at NETCDFDIR@/include
+
+# We need the netCDF library, of course!
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+all: all-am
+
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+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
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+		&& exit 0; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign  gridspec_tools_20080702/tools/make_topog/Makefile'; \
+	cd $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign  gridspec_tools_20080702/tools/make_topog/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
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+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
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+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+install-binPROGRAMS: $(bin_PROGRAMS)
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+	test -z "$(bindir)" || $(MKDIR_P) "$(DESTDIR)$(bindir)"
+	@list='$(bin_PROGRAMS)'; for p in $$list; do \
+	  p1=`echo $$p|sed 's/$(EXEEXT)$$//'`; \
+	  if test -f $$p \
+	     || test -f $$p1 \
+	  ; then \
+	    f=`echo "$$p1" | sed 's,^.*/,,;$(transform);s/$$/$(EXEEXT)/'`; \
+	   echo " $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(binPROGRAMS_INSTALL) '$$p' '$(DESTDIR)$(bindir)/$$f'"; \
+	   $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(binPROGRAMS_INSTALL) "$$p" "$(DESTDIR)$(bindir)/$$f" || exit 1; \
+	  else :; fi; \
+	done
+
+uninstall-binPROGRAMS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(bin_PROGRAMS)'; for p in $$list; do \
+	  f=`echo "$$p" | sed 's,^.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/'`; \
+	  echo " rm -f '$(DESTDIR)$(bindir)/$$f'"; \
+	  rm -f "$(DESTDIR)$(bindir)/$$f"; \
+	done
+
+clean-binPROGRAMS:
+	@list='$(bin_PROGRAMS)'; for p in $$list; do \
+	  f=`echo $$p|sed 's/$(EXEEXT)$$//'`; \
+	  echo " rm -f $$p $$f"; \
+	  rm -f $$p $$f ; \
+	done
+gs_make_topog$(EXEEXT): $(gs_make_topog_OBJECTS) $(gs_make_topog_DEPENDENCIES) 
+	@rm -f gs_make_topog$(EXEEXT)
+	$(LINK) $(gs_make_topog_OBJECTS) $(gs_make_topog_LDADD) $(LIBS)
+make_topog$(EXEEXT): $(make_topog_OBJECTS) $(make_topog_DEPENDENCIES) 
+	@rm -f make_topog$(EXEEXT)
+	$(LINK) $(make_topog_OBJECTS) $(make_topog_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+ at AMDEP_TRUE@@am__include@ @am__quote at ./$(DEPDIR)/make_topog.Po at am__quote@
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+ at am__fastdepCC_TRUE@	mv -f $$depbase.Tpo $$depbase.Po
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+ at AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
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+ at am__fastdepCC_FALSE@	$(LTCOMPILE) -c -o $@ $<
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+mostlyclean-libtool:
+	-rm -f *.lo
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+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+	list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
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+	mkid -fID $$unique
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+	  test -n "$$unique" || unique=$$empty_fix; \
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+	fi
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+distdir: $(DISTFILES)
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+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
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+	    cp -pR $$d/$$file $(distdir)$$dir || exit 1; \
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+	    test -f $(distdir)/$$file \
+	    || cp -p $$d/$$file $(distdir)/$$file \
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+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
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+clean-generic:
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+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
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+	@echo "it deletes files that may require special tools to rebuild."
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diff --git a/gridspec_tools_20080702/tools/make_topog/make_topog.c b/gridspec_tools_20080702/tools/make_topog/make_topog.c
new file mode 100644
index 0000000..c030a85
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_topog/make_topog.c
@@ -0,0 +1,511 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <getopt.h>
+#include <string.h>
+#include "topog.h"
+#include "mpp.h"
+#include "mpp_domain.h"
+#include "mpp_io.h"
+#include "tool_util.h"
+
+char *usage[] = {
+  "",
+  "                                                                                         ",
+  "                                                                                         ",
+  "                    Usage of make_topog                                                  ",
+  "                                                                                         ",
+  "   make_topog --mosaic mosaic_file [--topog_type topog_type]  [x_refine #] [y_refine #]  ",
+  "              [--basin_depth #] [--bottom_depth #] [--min_depth #]                       ",
+  "              [--topog_file topog_file]  [--topog_field topog_field]                     ",
+  "              [--scale_factor #] [--num_filter_pass #] [--gauss_amp #]                   ",
+  "              [--gauss_scale #] [--slope_x #] [--slope_y #] [--bowl_south #]             ",
+  "              [--bowl_north #] [--bowl_west #] [--bowl_east #]                           ",
+  "              [--fill_first_row] [--filter_topog] [--round_shallow]                      ",
+  "              [--fill_shallow] [--deepen_shallow] [--smooth_topo_allow_deepening]        ",
+  "              [--output output_file [--help]                                             ",
+  "                                                                                         ",
+  "   make_topog can generate topography for any Mosaic. The output file                    ",
+  "   will contains the topography for each tile in the Mosaic. The field name in           ",
+  "   the output topography file will be depth_tile# and it is positive down.               ",
+  "   The topography data will be defined on model grid, the model grid size will be        ",
+  "   supergrid grid size divided by refinement (x_refine, y_refine, default is 2).         ",
+  "   --mosaic is a required option and all other options are optional, but                 ",
+  "   some options are required depending on the choice of topog_type.                      ",
+  "   Below specify the option (required or non-required) needed for every kind             ",
+  "   of topog_type. when topog_type (--topog_type) is                                      ",
+  "                                                                                         ",
+  "     1. 'realistic':          --topog_file and --topog_field must be specified,          ",
+  "                              --bottom_depth, --min_depth, --scale_factor,               ",
+  "                              --num_filter_pass, --flat_bottom                           ",
+  "                              --fill_first_row --adjust_topo --filter_topog              ",
+  "                              --round_shallow] --fill_shallow --deepen_shallow]          ",
+  "                              --smooth_topo_allow_deepening are optional arguments.      ",
+  "     2.  'rectangular_basin': --basin_depth are optional arguments. Set basin_depth      ",
+  "                                to 0 to get all land topography.                         ",
+  "     3.  'gaussian':          --bottom_depth, --min_depth --gauss_amp, --gauss_scale,    ",
+  "                              --slope_x, --slope_y are optional arguments.               ",
+  "     4.. 'bowl':              --bottom_depth, --min_depth, --bowl_south, --bowl_north,   ",
+  "                              --bowl_west, --bowl_east are optional arguments.           ",
+  "     5. 'idealized':          --bottom_depth, --min_depth are optional arguments.        ",
+  "                                                                                         ",      
+  "   generate_mosaic_topo take the following flags                                         ",
+  "                                                                                         ",
+  "   --mosaic mosaic_file          Specify the mosaic file where topography data located.  ",
+  "                                                                                         ",
+  "   --topog_type topog_type       Specify type of topography. Its value can be            ",
+  "                                 'realistic', 'rectangular_basin', 'gaussian', 'bowl'    ",
+  "                                 or 'idealized'. The default value is 'realistic'.       ",
+  "                                                                                         ",
+  "   --x_refine #                  specify the refinement ratio of model grid vs supergrid ",
+  "                                 ins x-directin. default value 2.                        ",
+  "                                                                                         ",
+  "   --y_refine #                  specify the refinement ratio of model grid vs supergrid ",
+  "                                 ins y-directin. default value 2.                        ",
+  "                                                                                         ",
+  "   --basin_depth #               Specify the basin depth when topog_type is              ",
+  "                                 'rectangular_basin'. Default value is 5000 meter.       ",
+  "                                                                                         ",
+  "   --topog_file topog_file       Specify name of topograhy file (e.g. scripps,           ",
+  "                                 navy_topo, ...)                                         ",
+  "                                                                                         ",
+  "   --topog_field topog_field     Specify name of topography field name in topog_file.    ",
+  "                                                                                         ",
+  "   --bottom_depth #              Specify maximum depth (or bottom depth) of ocean.       ",
+  "                                 default value is 5000 meter.                            ",
+  "                                                                                         ",
+  "   --min_depth #                 Specify minimum depth of ocean.                         ",
+  "                                 default value is 10 meter.                              ",
+  "                                                                                         ",  
+  "   --scale_factor #              Specify scaling factor for topography data (e.g. -1 to  ",
+  "                                 flip sign or 0.01 to convert from centimeters).         ",
+  "                                 default value is 1.                                     ",
+  "                                                                                         ",
+  "   --num_filter_pass #           Specify number of passes of spatial filter              ",
+  "                                 default value is 1.                                     ",  
+  "                                                                                         ",
+  "   --gauss_amp #                 specify height of gaussian bump as percentage of ocean  ",
+  "                                 depth. default value is 0.5.                            ",
+  "                                                                                         ",
+  "   --gauss_scale #               Specify width of gaussian bump as percentag e of        ",
+  "                                 basin width. Default value is 0.25.                     ",
+  "                                                                                         ",
+  "   --slope_x #                   Specify rise of the ocean floor to the east for         ",
+  "                                 the gaussian bump. Default value is 0.                  ",
+  "                                                                                         ",
+  "   --slope_y #                   Specify rise of the ocean floor to the north for        ",
+  "                                 the gaussian bump. Default value is 0.                  ",
+  "                                                                                         ",
+  "   --bowl_south #                Specify southern boundary of Winton bowl.               ",
+  "                                 Default value is 60.                                    ",
+  "                                                                                         ",
+  "   --bowl_north #                Specify northern boundary of Winton bowl.               ",
+  "                                 Default value is 70.                                    ",  
+  "                                                                                         ",
+  "   --bowl_west #                 Specify western boundary of Winton bowl.                ",
+  "                                 Default value is 0.                                     ",
+  "                                                                                         ",  
+  "   --bowl_east #                 Specify eastern boundary of Winton bowl.                ",
+  "                                 Default value is 20.                                    ",
+  "                                                                                         ",
+  "   --fill_first_row              when specified, make first row of ocean model all       ",
+  "                                 land points for ice model.                              ",
+  "                                                                                         ",
+  "   --filter_topog                When specified, apply filter to topography.             ",
+  "                                                                                         ",
+  "   --round_shallow               When specified, Make cells land if depth is less        ",
+  "                                 than 1/2 mimumim depth, otherwise make ocean.           ",
+  "                                                                                         ",
+  "   --fill_shallow                When specified, Make cells less than minimum            ",
+  "                                 depth land.                                             ",
+  "                                                                                         ",
+  "   --deepen_shallow              When specified, Make cells less than minimum            ",
+  "                                 depth equal to minimum depth.                           ",
+  "                                                                                         ",
+  "   --smooth_topo_allow_deepening when specified, allow filter to deepen cells.           ",
+  "                                                                                         ",
+  "   --output output_file          The created netcdf file that contains mosaic            ",
+  "                                 topography. Default value is 'topog.nc'                 ",
+  "   --help                        Print out this message and then exit.                   ",
+  "                                                                                         ",   
+  "   Example                                                                               ", 
+  "                                                                                         ",
+  "   1. Generate 'realistic' topography                                                    ",
+  "   > make_topog --mosaic mosaic.nc --topog_type realistic                                ",
+  "                           --topog_file /archive/fms/mom4/input_data/OCCAM_p5degree.nc   ",
+  "                              --topog_field TOPO --scale_factor -1                       ",
+  "                                                                                         ",
+  "   2. Generate 'rectangular_basin' topography (with uniform topography 200 meters).      ",
+  "   > make_topog --mosaic mosaic.nc --topog_type  rectangular_basin            ",
+  "                           --basin_depth 200                                             ",
+  "                                                                                         ",
+  "                                                                                         "
+  "",
+  NULL };
+
+char grid_version[] = "0.2";
+char tagname[] = "$Name:  $";
+
+int main(int argc, char* argv[])
+{
+  char   *mosaic_file = NULL, *topog_file = NULL, *topog_field = NULL;
+  char   topog_type[32] = "realistic", output_file[32] = "topog.nc";
+  int    num_filter_pass = 1;
+  int    x_refine = 2, y_refine = 2;
+  double basin_depth = 5000, bottom_depth = 5000, min_depth = 10, scale_factor = 1;
+  double gauss_amp = 0.5, gauss_scale = 0.25, slope_x = 0, slope_y = 0;
+  double bowl_south = 60, bowl_north = 70, bowl_west = 0, bowl_east = 20;
+  int    flat_bottom = 0, fill_first_row = 0;
+  int    filter_topog = 0, round_shallow = 0, fill_shallow = 0;
+  int    deepen_shallow = 0, smooth_topo_allow_deepening = 0;
+  int    errflg = (argc == 1);
+  int    option_index, i, c;
+
+  
+  /*
+   * process command line
+   */
+
+  static struct option long_options[] = {
+    {"mosaic",                      required_argument, NULL, 'a'},
+    {"topog_type",                  required_argument, NULL, 'b'},
+    {"x_refine",                    required_argument, NULL, 'X'},
+    {"y_refine",                    required_argument, NULL, 'Y'},
+    {"basin_depth",                 required_argument, NULL, 'c'},
+    {"topog_file",                  required_argument, NULL, 'd'},
+    {"topog_field",                 required_argument, NULL, 'e'},
+    {"bottom_depth",                required_argument, NULL, 'f'},
+    {"min_depth",                   required_argument, NULL, 'g'},
+    {"scale_factor",                required_argument, NULL, 'i'},
+    {"num_filter_pass",             required_argument, NULL, 'j'},
+    {"gauss_amp",                   required_argument, NULL, 'k'},
+    {"gauss_scale",                 required_argument, NULL, 'l'},
+    {"slope_x",                     required_argument, NULL, 'm'},    
+    {"slope_y",                     required_argument, NULL, 'n'},
+    {"bowl_south",                  required_argument, NULL, 'p'},
+    {"bowl_north",                  required_argument, NULL, 'q'},
+    {"bowl_west",                   required_argument, NULL, 'r'},
+    {"bowl_east",                   required_argument, NULL, 's'},
+    {"fill_first_row",              no_argument,       NULL, 't'},
+    {"filter_topog",                no_argument,       NULL, 'u'},    
+    {"round_shallow",               no_argument,       NULL, 'v'},
+    {"fill_shallow",                no_argument,       NULL, 'w'},
+    {"deepen_shallow",              no_argument,       NULL, 'x'},
+    {"smooth_topo_allow_deepening", no_argument,       NULL, 'y'},
+    {"output",                      required_argument, NULL, 'o'},
+    {"help",                        no_argument,       NULL, 'h'},
+    {0, 0, 0, 0},
+  };
+
+  /* start parallel */
+
+  mpp_init(&argc, &argv);
+
+  mpp_domain_init();  
+   
+  while ((c = getopt_long(argc, argv, "", long_options, &option_index)) != -1)
+    switch (c) {
+    case 'a':
+      mosaic_file = optarg;
+      break;      
+    case 'b':
+      strcpy(topog_type, optarg);
+      break;
+    case 'X':
+      x_refine = atoi(optarg);
+      break;
+    case 'Y':
+      y_refine = atoi(optarg);
+      break;      
+    case 'c':
+      basin_depth = atof(optarg);
+      break;
+    case 'd':
+      topog_file = optarg;
+      break;
+    case 'e':
+      topog_field = optarg;
+      break;
+    case 'f':
+      bottom_depth = atof(optarg);
+      break; 
+    case 'g':
+      min_depth = atof(optarg);
+      break;
+    case 'i':
+      scale_factor = atof(optarg);
+      break;
+    case 'j':
+      num_filter_pass = atoi(optarg);
+      break; 
+    case 'k':
+      gauss_amp = atof(optarg);
+      break;
+    case 'l':
+      gauss_scale = atof(optarg);
+      break;
+    case 'm':
+      slope_x = atof(optarg);
+      break;
+    case 'n':
+      slope_y = atof(optarg);
+      break;
+    case 'p':
+      bowl_south = atof(optarg);
+      break;
+    case 'q':
+      bowl_north = atof(optarg);
+      break;
+    case 'r':
+      bowl_west  = atof(optarg);
+      break;
+    case 's':
+      bowl_east  = atof(optarg);
+      break;
+    case 't':
+      fill_first_row = 1;
+      break;
+    case 'u':
+      filter_topog = 1;
+      break;
+    case 'v':
+      round_shallow = 1;
+      break;
+    case 'w':
+      fill_shallow = 1;
+      break;
+    case 'x':
+      deepen_shallow = 1;
+      break;
+    case 'y':
+      smooth_topo_allow_deepening = 1;
+      break;
+    case 'o':
+      strcpy(output_file,optarg);
+      break; 
+    case '?':
+      errflg++;
+      break;
+    }
+
+  if (errflg || !mosaic_file ) {
+    char **u = usage;
+    while (*u) { fprintf(stderr, "%s\n", *u); u++; }
+    exit(2);
+  }
+
+
+  /* Write out arguments value  */
+  if(mpp_pe() == mpp_root_pe()) printf("NOTE from make_topog ==> the topog_type is: %s\n",topog_type);
+  if(x_refine != 2 || y_refine != 2 ) mpp_error("Error from make_topog: x_refine and y_refine should be 2, contact developer");
+  if(mpp_pe() == mpp_root_pe()) printf("NOTE from make_topog ==> x_refine is %d, y_refine is %d\n",
+				       x_refine, y_refine);
+
+  if (strcmp(topog_type,"rectangular_basin") == 0) {
+    if(mpp_pe() == mpp_root_pe()) printf("NOTE from make_topog ==> the basin depth is %f\n",basin_depth);
+  }
+  else if (strcmp(topog_type,"gaussian") == 0) {
+    if(mpp_pe() == mpp_root_pe()){
+      printf("NOTE from make_topog ==> bottom_depth is: %f\n", bottom_depth );
+      printf("NOTE from make_topog ==> min_depth is: %f\n", min_depth );
+      printf("NOTE from make_topog ==> gauss_amp is: %f\n", gauss_amp );
+      printf("NOTE from make_topog ==> gauss_scale is: %f\n", gauss_scale );
+      printf("NOTE from make_topog ==> slope_x is: %f\n", slope_x );
+      printf("NOTE from make_topog ==> slope_y is: %f\n", slope_y );      
+    }
+  }
+  else if(strcmp(topog_type,"bowl") == 0) {
+    if(mpp_pe() == mpp_root_pe()){
+      printf("NOTE from make_topog ==> bottom_depth is: %f\n",bottom_depth);
+      printf("NOTE from make_topog ==> min_depth is: %f\n",min_depth);
+      printf("NOTE from make_topog ==> bowl_south is: %f\n",bowl_south);
+      printf("NOTE from make_topog ==> bowl_north is: %f\n",bowl_north);
+      printf("NOTE from make_topog ==> bowl_west is: %f\n",bowl_west);
+      printf("NOTE from make_topog ==> bowl_east is: %f\n",bowl_east);
+    }
+  }
+  else if(strcmp(topog_type,"idealized") == 0) {
+    if(mpp_pe() == mpp_root_pe()){
+      printf("NOTE from make_topog ==> bottom_depth is: %f\n",bottom_depth);
+      printf("NOTE from make_topog ==> min_depth is: %f\n",min_depth);
+    }
+  }
+  else if(strcmp(topog_type,"realistic") == 0) {
+    if(!topog_file || !topog_field)
+      mpp_error("Error from make_topog: when topog_type is realistic, topog_file and topog_field must be specified.");
+    if(mpp_pe() == mpp_root_pe()){
+      printf("NOTE from make_topog ==> bottom_depth is: %f\n",bottom_depth);
+      printf("NOTE from make_topog ==> min_depth is: %f\n",min_depth);
+      printf("NOTE from make_topog ==> topog_file is: %s\n", topog_file);
+      printf("NOTE from make_topog ==> topog_field is: %s\n", topog_field);
+      printf("NOTE from make_topog ==> scale_factor is: %f\n", scale_factor);
+      printf("NOTE from make_topog ==> num_filter_pass is: %d\n", num_filter_pass);
+      if(fill_first_row) printf("NOTE from make_topog ==>make first row of ocean model all land points.\n");
+      if(filter_topog) printf("NOTE from make_topog ==>will apply filter to topography.\n");
+      if(round_shallow) printf("NOTE from make_topog ==>Make cells land if depth is less than 1/2 "
+			       "mimumim depth, otherwise make ocean.\n");
+      if(fill_shallow) printf("NOTE from make_topog ==>Make cells less than minimum depth land.\n");
+      if(deepen_shallow) printf("NOTE from make_topog ==>Make cells less than minimum depth equal to minimum depth.\n");
+      if(smooth_topo_allow_deepening) printf("NOTE from make_topog ==>allow filter to deepen cells.\n");
+    }
+  }
+  else {
+    mpp_error("make_topog: topog_type should be rectangular_basin, gaussian, bowl, idealized or realistic");
+  }
+  
+  if(mpp_pe() == mpp_root_pe()) {
+    printf("**************************************************\n");
+    printf("Begin to generate topography \n");
+  }
+
+  {
+    const int STRING = 255;
+    int m_fid, g_fid, vid;
+    int ntiles, fid, dim_ntiles, n, dims[2];
+    size_t start[4], nread[4], nwrite[4];
+    int *nx, *ny, *nxp, *nyp;
+    int *id_depth;
+    double *depth, *x, *y;
+    char **tile_files;
+    char history[512], dimx_name[128], dimy_name[128], depth_name[128];
+    char gridfile[256], griddir[256];
+    
+    /* history will be write out as global attribute
+       in output file to specify the command line arguments
+    */
+
+    strcpy(history,argv[0]);
+
+    for(i=1;i<argc;i++) {
+      strcat(history, " ");
+      strcat(history, argv[i]);
+    }
+
+    /* grid should be located in the same directory of mosaic file */
+    get_file_path(mosaic_file, griddir);
+    
+    /* get mosaic dimension */
+    m_fid = mpp_open(mosaic_file, MPP_READ);
+    ntiles = mpp_get_dimlen( m_fid, "ntiles");
+    tile_files = (char **)malloc(ntiles*sizeof(double *));
+    id_depth = (int *)malloc(ntiles*sizeof(int));
+    /* loop through each tile to get tile information and set up meta data for output file */
+    fid = mpp_open(output_file, MPP_WRITE);
+    mpp_def_global_att(fid, "grid_version", grid_version);
+    mpp_def_global_att(fid, "code_version", tagname);
+    mpp_def_global_att(fid, "history", history);
+    dim_ntiles = mpp_def_dim(fid, "ntiles", ntiles);
+    nx = (int *)malloc(ntiles*sizeof(int));
+    ny = (int *)malloc(ntiles*sizeof(int));
+    nxp = (int *)malloc(ntiles*sizeof(int));
+    nyp = (int *)malloc(ntiles*sizeof(int));   
+    for( n = 0; n < ntiles; n++ ) {
+      tile_files[n] = (char *)malloc(STRING*sizeof(double));
+      start[0] = n;
+      start[1] = 0;
+      nread[0] = 1;
+      nread[1] = STRING;
+      vid = mpp_get_varid(m_fid, "gridfiles");
+      mpp_get_var_value_block(m_fid, vid, start, nread, gridfile);
+      sprintf(tile_files[n], "%s/%s", griddir, gridfile);
+      g_fid = mpp_open(tile_files[n], MPP_READ);
+      nx[n] = mpp_get_dimlen(g_fid, "nx");
+      ny[n] = mpp_get_dimlen(g_fid, "ny");
+      if( nx[n]%x_refine != 0 ) mpp_error("make_topog: supergrid x-size can not be divided by x_refine");
+      if( ny[n]%y_refine != 0 ) mpp_error("make_topog: supergrid y-size can not be divided by y_refine");
+      nx[n] /= x_refine;
+      ny[n] /= y_refine;
+      nxp[n] = nx[n] + 1;
+      nyp[n] = ny[n] + 1;
+      if(ntiles == 1) {
+	strcpy(dimx_name, "nx");
+	strcpy(dimy_name, "ny");
+	strcpy(depth_name, "depth");
+      }
+      else {
+	sprintf(dimx_name, "nx_tile%d", n+1);
+	sprintf(dimy_name, "ny_tile%d", n+1);
+	sprintf(depth_name, "depth_tile%d", n+1);
+      }
+
+      dims[1] = mpp_def_dim(fid, dimx_name, nx[n]); 
+      dims[0] = mpp_def_dim(fid, dimy_name, ny[n]);
+      id_depth[n] = mpp_def_var(fid, depth_name, NC_DOUBLE, 2, dims,  2, "standard_name",
+				"topographic depth at T-cell centers", "units", "meters");
+      mpp_close(g_fid);
+    }
+    mpp_close(m_fid);
+    mpp_end_def(fid);
+
+    /* Generate topography and write out to the output_file */
+    for(n=0; n<ntiles; n++) {
+      int layout[2], isc, iec, jsc, jec, nxc, nyc, ni, i, j;
+      double *gdata, *tmp;
+      domain2D domain;
+      
+      /* define the domain, each tile will be run on all the processors. */
+      mpp_define_layout( nx[n], ny[n], mpp_npes(), layout);
+      mpp_define_domain2d( nx[n], ny[n], layout, 0, 0, &domain);
+      mpp_get_compute_domain2d( domain, &isc, &iec, &jsc, &jec);
+      nxc = iec - isc + 1;
+      nyc = jec - jsc + 1;
+      
+      depth = (double *)malloc(nxc*nyc*sizeof(double));
+      x     = (double *)malloc((nxc+1)*(nyc+1)*sizeof(double));
+      y     = (double *)malloc((nxc+1)*(nyc+1)*sizeof(double));
+      tmp   = (double *)malloc((nxc*x_refine+1)*(nyc*y_refine+1)*sizeof(double));
+      start[0] = jsc*y_refine; start[1] = isc*x_refine;
+      nread[0] = nyc*y_refine+1; nread[1] = nxc*x_refine+1;
+      ni       = nxc*x_refine+1;
+      g_fid = mpp_open(tile_files[n], MPP_READ);
+      vid = mpp_get_varid(g_fid, "x");
+      mpp_get_var_value_block(g_fid, vid, start, nread, tmp);
+      for(j = 0; j < nyc+1; j++) for(i = 0; i < nxc+1; i++)
+	x[j*(nxc+1)+i] = tmp[(j*y_refine)*ni+i*x_refine];
+      vid = mpp_get_varid(g_fid, "y");
+      mpp_get_var_value_block( g_fid, vid, start, nread, tmp);
+      mpp_close(g_fid);
+      for(j = 0; j < nyc+1; j++) for(i = 0; i < nxc+1; i++)
+	y[j*(nxc+1)+i] = tmp[(j*y_refine)*ni+i*x_refine];
+      if (strcmp(topog_type,"rectangular_basin") == 0)
+	create_rectangular_topog(nx[n], ny[n], basin_depth, depth);
+      else if (strcmp(topog_type,"gaussian") == 0)
+	create_gaussian_topog(nx[n], ny[n], x, y, bottom_depth, min_depth,
+			      gauss_amp, gauss_scale, slope_x, slope_y, depth);
+      else if (strcmp(topog_type,"bowl") == 0)
+	create_bowl_topog(nx[n], ny[n], x, y, bottom_depth, min_depth, bowl_east,
+			  bowl_south, bowl_west, bowl_north, depth);
+      else if (strcmp(topog_type,"idealized") == 0)
+	create_idealized_topog( nx[n], ny[n], x, y, bottom_depth, min_depth, depth);
+      else if (strcmp(topog_type,"realistic") == 0)
+	create_realistic_topog(nxc, nyc, x, y, topog_file, topog_field, scale_factor,
+			       fill_first_row, filter_topog, num_filter_pass,
+			       smooth_topo_allow_deepening, round_shallow, fill_shallow,
+			       deepen_shallow, min_depth, depth );
+      gdata = (double *)malloc(nx[n]*ny[n]*sizeof(double));
+      mpp_global_field_double(domain, nxc, nyc, depth, gdata);
+      mpp_put_var_value(fid, id_depth[n], gdata);
+      free(x);
+      free(y);
+      free(tmp);
+      free(depth);
+      free(gdata);
+      mpp_delete_domain2d(&domain);
+    }
+    mpp_close(fid);
+  
+    /*release memory */
+    free(id_depth);
+    for(n=0; n<ntiles; n++) free(tile_files[n]);
+    free(tile_files);
+    free(nx);
+    free(ny);
+    free(nxp);
+    free(nyp);
+  }
+    
+  if(mpp_pe() == mpp_root_pe() ) printf("Successfully generate %s\n",output_file);
+
+  mpp_end();
+
+  return 0;
+}; //main
diff --git a/gridspec_tools_20080702/tools/make_topog/topog.c b/gridspec_tools_20080702/tools/make_topog/topog.c
new file mode 100644
index 0000000..0f9e5a0
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_topog/topog.c
@@ -0,0 +1,542 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include "topog.h"
+#include "create_xgrid.h"
+#include "mosaic_util.h"
+#include "mpp_io.h"
+
+#define D2R (M_PI/180.)
+
+void filter_topo( int nx, int ny, int num_pass, int smooth_topo_allow_deepening, double *depth);
+void set_depth(int nx, int ny, const double *xbnd, const double *ybnd, double alat1, double slon1,
+	       double elon1, double alat2, double slon2, double elon2, double depth_in, double *depth);
+void enforce_min_depth(int nx, int ny, int round_shallow, int deepen_shallow,
+		       int fill_shallow, double min_depth, double *depth);
+
+/*********************************************************************
+   void create_rectangular_topog()
+   Constructing a rectangular basin with a flat bottom, basin_depth can be 0 ( all land).
+ ********************************************************************/
+void create_rectangular_topog(int nx, int ny, double basin_depth, double *depth)
+{
+  int i;
+
+  for(i=0; i<nx*ny; i++)  depth[i] = basin_depth;
+}; /* create_rectangular_topog  */
+
+/*********************************************************************
+   void create_bowl_topog()
+   From "Simulation of density-driven frictional downslope flow
+   in z-coordinate mocean models"
+   Winton et al. JPO, Vol 28, No 11, 2163-2174, November 1998
+ ********************************************************************/
+void create_bowl_topog(int nx, int ny, const double *x, const double *y, double bottom_depth,
+		       double min_depth, double bowl_east, double bowl_south, double bowl_west,
+		       double bowl_north, double *depth)
+{
+  double bottom, xx, yy;
+  int i, j, nxp, nyp;
+
+  nxp = nx+1;
+  nyp = ny+1;
+  
+  for(j=0;j<ny;j++){
+    for(i=0;i<nx;i++){
+      xx = (x[j*nxp+i]+x[j*nxp+i+1]+x[(j+1)*nxp+i]+x[(j+1)*nxp+i+1])*0.25;
+      yy = (y[j*nxp+i]+y[j*nxp+i+1]+y[(j+1)*nxp+i]+y[(j+1)*nxp+i+1])*0.25;	    
+      if (xx <= bowl_west  || xx >= bowl_east || yy <= bowl_south || yy >= bowl_north)            
+	bottom = min_depth;
+      else
+	bottom = min_depth + bottom_depth*(1.0-exp(-pow((yy-bowl_south)/2.0,2)))
+	  *(1.0-exp(-pow((yy-bowl_north)/2.0,2)))
+	  *(1.0-exp(-pow((xx-bowl_west)/4.0,2)))
+	  *(1.0-exp(-pow((xx-bowl_east)/4.0,2)));
+      depth[j*nx+i] = bottom;
+    }
+  }
+}; /* create_bowl_topog */
+
+
+/*********************************************************************
+   void create_gaussian_topog()
+   Constructing a gaussian bump
+ ********************************************************************/
+void create_gaussian_topog(int nx, int ny, const double *x, const double *y, double bottom_depth,
+			   double min_depth, double gauss_amp, double gauss_scale, double slope_x,
+			   double slope_y, double *depth)
+{
+  double bump_height, bump_scale, xcent, ycent, arg, bottom;
+  double xe, xw, ys, yn;
+  double *xt, *yt;
+  int i, j, nxp, nyp;
+
+  xt = (double *)malloc(nx*ny*sizeof(double));
+  yt = (double *)malloc(nx*ny*sizeof(double));
+  for(j=0; j<ny; j++) {
+    for(i=0; i<nx; i++) {
+      xt[j*nx+i] = (x[j*nxp+i] + x[j*nxp+i+1] + x[(j+1)*nxp+i] + x[(j+1)*nxp+i+1])*0.25;
+      yt[j*nx+i] = (y[j*nxp+i] + y[j*nxp+i+1] + y[(j+1)*nxp+i] + y[(j+1)*nxp+i+1])*0.25;
+    }
+  }
+  
+  xw = xt[0];
+  ys = yt[0];
+  xe = xw;
+  yn = ys;
+
+  for(j=1;j<ny;j++){
+    for(i=1;i<nx;i++){
+      xw = min(xt[j*nx+i],xw); xe = max(xt[j*nx+i],xe);
+      ys = min(yt[j*nx+i],ys); yn = max(yt[j*nx+i],yn);
+    }
+  }
+
+  bump_height = gauss_amp*bottom_depth;
+  bump_scale = gauss_scale*min(xe-xw, yn-ys);
+  xcent = 0.5*(xe+xw);
+  ycent = 0.5*(yn+ys);
+
+  printf("Constructing a gaussian bump of height = %f meters with a scale width of %f degrees.\n",
+	 bump_height, bump_scale);
+  printf("The bump is centered at (lon,lat) = (%f,%f) deg.\n", xcent, ycent);
+  printf("The ocean floor rises with a slope of %f meters/deg towards the east and %f "
+	 " meters/deg to the north.", slope_x, slope_y) ;
+
+  for(j=0;i<nx*ny;j++){
+      arg = pow(xt[i]-xcent,2) + pow(yt[i]-ycent,2);
+      bottom = bottom_depth - bump_height*exp(-arg/pow(bump_scale,2));
+      bottom = bottom - slope_x*(xt[i]-xw)- slope_y*(yt[i]-ys);
+      depth[i] = max(bottom,min_depth);
+  }
+
+  free(xt);
+  free(yt);
+  
+}; /* create_gaussian_topog */
+
+
+/*********************************************************************
+
+  void create_idealized_topog
+   construct a highly "idealized" world ... piece by piece
+
+   note: the purpose of this geometry/topography is to automatically
+         map into arbitrary resolution as grid dimensions are
+         changed, thereby facilitating the implementation
+         and verification of the model on various computer platforms
+         without referencing the topographic database.  Although it
+         somewhat resembles the real world, it is NOT realistic.
+   Note: this routine needs to be re-thought for generalized curvilinear coordinates
+
+ ********************************************************************/
+void create_idealized_topog( int nx, int ny, const double *x, const double *y,
+			     double bottom_depth, double min_depth, double *depth)
+{
+  int i, j, nxp, nyp;
+  double arg;
+  double *xbnd, *ybnd;
+  
+  for(j=0;j<ny;j++){
+    for(i=0;i<nx;i++) depth[j*nx+i]=bottom_depth;
+  }
+  
+  //antarctica
+  xbnd = (double *)malloc(nx*sizeof(double));
+  ybnd = (double *)malloc(ny*sizeof(double));
+  for(i=0; i<nx; i++) xbnd[i] = (x[i]+x[i+1])*0.5;
+  for(j=0; j<ny; j++) ybnd[j] = (y[j*nxp]+y[(j+1)*nxp])*0.5;
+  
+  set_depth (nx, ny, xbnd, ybnd, -90.0, 0.0, 360.0, -80.0, 0.0, 360.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, -80.0, 360.0-25.0, 360.0, -70.0, 360.0, 360.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, -80.0, 0.0, 360.0, -70.0, 0.0, 170.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, -80.0, 360.0-135.0, 360.0-60.0, -68.0, 360.0-75.0, 360.0-60.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, -70.0, 0.0, 155.0, -67.0, 50.0, 145.0, 0.0, depth);
+
+  // australia
+
+  set_depth (nx, ny, xbnd, ybnd, -35.0, 116.0, 120.0, -31.0, 114.0, 130.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, -38.0, 140.0, 151.0, -31.0, 130.0, 151.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, -31.0, 115.0, 153.0, -20.0, 113.0, 149.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, -20.0, 113.0, 149.0, -11.0, 131.0, 143.0, 0.0, depth);
+
+  // south america
+
+  set_depth (nx, ny, xbnd, ybnd, -50.0, 360.0-74.0, 360.0-68.0, -40.0, 360.0-73.0, 360.0-62.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, -40.0, 360.0-73.0, 360.0-62.0, -20.0, 360.0-70.0, 360.0-40.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, -20.0, 360.0-70.0, 360.0-40.0, -16.0, 360.0-81.0, 360.0-35.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, -16.0, 360.0-81.0, 360.0-35.0, 0.0, 360.0-80.0, 360.0-50.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 0.0, 360.0-80.0, 360.0-50.0, 11.0, 360.0-75.0, 360.0-60.0, 0.0, depth);
+
+  // central america
+
+  set_depth (nx, ny, xbnd, ybnd, 6.0, 360.0-78.0, 360.0-75.0, 20.0, 360.0-105.0, 360.0-97.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 20.0, 360.0-105.0, 360.0-97.0, 30.0, 360.0-115.0, 360.0-94.0, 0.0, depth);
+
+  // north america
+
+  set_depth (nx, ny, xbnd, ybnd, 25.0, 360.0-82.0, 360.0-80.0, 30.0, 360.0-85.0, 360.0-81.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 30.0, 360.0-115.0, 360.0-80.0, 40.0, 360.0-124.0, 360.0-74.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 40.0, 360.0-124.0, 360.0-74.0, 50.0, 360.0-124.0, 360.0-57.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 50.0, 360.0-124.0, 360.0-57.0, 60.0, 360.0-140.0, 360.0-64.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 60.0, 360.0-165.0, 360.0-64.0, 65.0, 360.0-140.0, 360.0-64.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 65.0, 360.0-140.0, 360.0-64.0, 70.0, 360.0-162.0, 360.0-72.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 70.0, 360.0-162.0, 360.0-140.0, 72.0, 360.0-157.0, 360.0-157.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 70.0, 360.0-130.0, 360.0-70.0, 75.0, 360.0-120.0, 360.0-80.0, 0.0, depth);
+
+  // greenland
+
+  set_depth (nx, ny, xbnd, ybnd, 60.0, 360.0-45.0, 360.0-45.0, 75.0, 360.0-58.0, 360.0-19.0, 0.0, depth);
+
+  // africa
+
+  set_depth (nx, ny, xbnd, ybnd, -35.0, 19.0, 28.0, 6.0, 8.0, 50.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 6.0, 0.0, 50.0, 18.0, 0.0, 56.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 18.0, 0.0, 56.0, 26.0, 0.0, 59.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 6.0, 360.0-10.0, 360.0, 18.0, 360.0-18.0, 360.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 18.0, 360.0-18.0, 360.0, 26.0,  360.0-15.0, 360.0, 0.0, depth);
+
+  // northern africa and europe and asia
+
+  set_depth (nx, ny, xbnd, ybnd, 26.0, 360.0-15.0, 360.0, 40.0, 360.0-7.0, 360.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 40.0, 360.0-7.0, 360.0, 50.0, 360.0, 360.0, 0.0, depth);
+
+  set_depth (nx, ny, xbnd, ybnd, 8.0, 77.0, 78.0, 26.0, 65.0, 90.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 4.0, 99.0, 100.0, 26.0, 90.0, 115.0, 0.0, depth);
+
+  set_depth (nx, ny, xbnd, ybnd, 26.0, 0.0, 126.0, 40.0, 0.0, 122.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 40.0, 0.0, 130.0, 50.0, 0.0, 140.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 50.0, 0.0, 140.0, 60.0, 8.0, 140.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 60.0, 8.0, 163.0, 65.0, 13.0, 180.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 65.0, 13.0, 188.0, 70.0, 20.0, 180.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 70.0, 70.0, 180.0, 75.0, 90.0, 100.0, 0.0, depth);
+
+  // add an "idealized" undulating topography
+
+  nxp = nx+1;
+  nyp = ny+1;
+  for(j=0;j<ny;j++){
+    for(i=0;i<nx;i++){
+      if (depth[j*nx+i] > 0.0 ) {
+	arg = bottom_depth*(1-0.4*fabs(cos(((j+1)*M_PI)/nyp)*sin(((i+1)*2*M_PI)/nxp)));
+        arg = max(arg, min_depth);      
+        depth[j*nx+i] = arg;
+      }
+    }
+  }
+
+  // add "idealized" ridges
+
+  arg = 0.666*bottom_depth;
+  
+  set_depth (nx, ny, xbnd, ybnd, -20.0, 360.0-20.0, 360.0-10.0, 30.0, 360.0-45.0, 360.0-35.0, arg, depth);
+  set_depth (nx, ny, xbnd, ybnd, 30.0, 360.0-45.0, 360.0-35.0, 60.0, 360.0-20.0,  360.0-30.0, arg, depth);
+  set_depth (nx, ny, xbnd, ybnd, -60.0,360.0-100.0, 360.0-130.0, 40.0, 360.0-160.0, 180.0, arg, depth);
+
+  arg = 0.5*bottom_depth;
+  
+  set_depth (nx, ny, xbnd, ybnd, -50.0, 360.0-120.0, 360.0-120.0, 30.0, 190.0, 190.0, arg, depth);
+
+  free(xbnd);
+  free(ybnd);
+  
+} /* create_idealized_topog */
+
+/*********************************************************************
+   void set_depth(double alat1, double slon1, double elon1, double alat2,
+                  double slon2, double elon2, double depth_in )
+        set the topography depth "depth[i][j](i,j)" = "depth_in" within the area of
+        the trapezoid bounded by vertices:
+        (alat1,slon1), (alat1,elon1), (alat2,slon2), and (alat2,elon2)
+   
+        inputs:
+   
+        alat1 = southern latitude of trapezoid (degrees)
+        slon1 = starting longitude of southern edge of trapezoid (deg)
+        elon1 = ending longitude of southern edge of trapezoid (deg)
+        alat2 = northern latitude of trapezoid (degrees)
+        slon2 = starting longitude of northern edge of trapezoid (deg)
+        elon2 = ending longitude of northern edge of trapezoid (deg)
+        depth_in = constant depth value
+   
+ ********************************************************************/
+void set_depth(int nx, int ny, const double *xbnd, const double *ybnd, double alat1, double slon1, double elon1, double alat2,
+                      double slon2, double elon2, double depth_in, double *depth)
+{
+  double rdj, d;
+  int i, j, i1, i2, j1, j2, is, ie, js, je, is1, ie1, is2, ie2;
+  
+  j1 = nearest_index(alat1, ybnd, ny );
+  j2 = nearest_index(alat2, ybnd, ny );
+  js = min(j1,j2);
+  je = max(j1,j2);
+
+  i1  = nearest_index(slon1, xbnd, nx);
+  i2  = nearest_index(elon1, xbnd, nx);
+  is1 = min(i1,i2);
+  ie1 = max(i1,i2);
+
+  i1  = nearest_index(slon2, xbnd, nx );
+  i2  = nearest_index(elon2, xbnd, ny );
+  is2 = min(i1,i2);
+  ie2 = max(i1,i2);
+
+  is = is1;
+  ie = ie1;
+
+  // fill in the area bounded by (js,is1), (js,ie1), (je,is2), (je,ie2)
+  // the nudging of 1.e-5 is to insure that the test case resolution
+  // generates the same topography and geometry on various computers.
+
+  if (js == je) 
+    rdj = 1.0;
+  else
+    rdj = 1.0/(je-js);
+
+  for(j=js;j<=je;j++){
+    for(i=is;i<=ie;i++) depth[j*nx+i] = depth_in;
+    d = rdj*((j-js)*is2 + (je-j)*is1) + 1.0e-5;
+    is = ceil(d);
+    if( is - d > 0.5) is = is -1;
+    d = rdj*((j-js)*ie2 + (je-j)*ie1) + 1.0e-5;
+    ie = ceil(d);
+    if( ie - d > 0.5) ie = ie -1;
+  }
+
+}; /* set_depth */
+
+/*********************************************************************
+   void create_realistic_topog( )
+   reading data from source data file topog_file and remap it onto current grid
+ ********************************************************************/
+void create_realistic_topog(int nx_dst, int ny_dst, const double *x_dst, const double *y_dst,
+			    const char* topog_file, const char* topog_field, double scale_factor,
+			    double fill_first_row, int filter_topog, int num_filter_pass,
+			    int smooth_topo_allow_deepening, int round_shallow, int fill_shallow,
+			    int deepen_shallow, double min_depth, double *depth )
+{
+  char xname[128], yname[128];
+  int nx_src, ny_src, nxp_src, nyp_src, i, j, count, n;
+  double *depth_src, *mask_src, *xt_src, *yt_src, *x_src, *y_src;
+  double *x_out, *y_out;
+  double missing;
+  int fid, vid;
+  
+  /* first read source topography data to get source grid and source topography */
+  fid = mpp_open(topog_file, MPP_READ);
+  vid = mpp_get_varid(fid, topog_field);
+  mpp_get_var_dimname(fid, vid, 1, xname);
+  mpp_get_var_dimname(fid, vid, 0, yname);
+  nx_src = mpp_get_dimlen( fid, xname );
+  ny_src = mpp_get_dimlen( fid, yname );
+  nxp_src = nx_src + 1;
+  nyp_src = ny_src + 1;
+  depth_src = (double *)malloc(nx_src*ny_src*sizeof(double));
+  mask_src = (double *)malloc(nx_src*ny_src*sizeof(double));
+  xt_src    = (double *)malloc(nx_src*sizeof(double));
+  yt_src    = (double *)malloc(ny_src*sizeof(double));
+  x_src    = (double *)malloc(nxp_src*nyp_src*sizeof(double)); 
+  y_src    = (double *)malloc(nxp_src*nyp_src*sizeof(double));
+
+  mpp_get_var_att(fid, vid, "missing_value", &missing);
+  mpp_get_var_value(fid, vid, depth_src);
+  vid = mpp_get_varid(fid, xname);
+  mpp_get_var_value(fid, vid, xt_src);
+  vid = mpp_get_varid(fid, yname);
+  mpp_get_var_value(fid, vid, yt_src);
+  mpp_close(fid);
+  
+  for(j=0; j<nyp_src; j++) {
+     for(i=1; i<nx_src; i++) x_src[j*nxp_src+i] = (xt_src[i-1] + xt_src[i])*0.5;
+     x_src[j*nxp_src] = 2*xt_src[0] - x_src[j*nxp_src+1];
+     x_src[j*nxp_src+nx_src] = 2*xt_src[nx_src-1] - x_src[j*nxp_src+nx_src-1];
+  }
+  for(i=0; i<nxp_src; i++) {
+    for(j=1; j<ny_src; j++) y_src[j*nxp_src+i] = (yt_src[j-1] + yt_src[j])*0.5;
+    y_src[i] = 2*yt_src[0] - y_src[nxp_src+i];
+    y_src[ny_src*nxp_src+i] = 2*yt_src[ny_src-1] - y_src[(ny_src-1)*nxp_src+i];
+  }
+    
+
+  for(i=0; i<nx_src*ny_src; i++) {
+    if(depth_src[i] == missing)
+      mask_src[i] = 0.0;
+    else {
+      depth_src[i] = depth_src[i]*scale_factor;
+      if( depth_src[i] <= 0.0)
+	mask_src[i] = 0.0;
+      else
+	mask_src[i] = 1.0;
+    }
+  }
+
+  /* scale grid to radius */
+  for(i=0; i<nxp_src*nyp_src; i++) {
+    x_src[i] = x_src[i]*D2R;
+    y_src[i] = y_src[i]*D2R;
+  }
+  x_out = (double *)malloc((nx_dst+1)*(ny_dst+1)*sizeof(double));
+  y_out = (double *)malloc((nx_dst+1)*(ny_dst+1)*sizeof(double));
+  for(i=0; i<(nx_dst+1)*(ny_dst+1); i++) {
+    x_out[i] = x_dst[i]*D2R;
+    y_out[i] = y_dst[i]*D2R;
+  }
+  
+  /* doing the conservative interpolation */
+  conserve_interp(nx_src, ny_src, nx_dst, ny_dst, x_src, y_src, x_out, y_out,
+		  mask_src, depth_src, depth );
+  
+  /* make first row of ocean model all land points for ice model */
+
+  if(fill_first_row) {
+    for(i=0;i<nx_dst;i++) {
+      depth[i] = 0.0;
+    }
+  }
+
+  if (filter_topog) filter_topo(nx_dst, ny_dst, num_filter_pass, smooth_topo_allow_deepening, depth);
+  /* enforce minimum depth when one of round_shallow, deepen_shallow or fill_shallow
+     is true ( At most one ).         */
+  count = 0;
+  if(round_shallow) count++;
+  if(fill_shallow) count++;
+  if(deepen_shallow) count++;
+  if(count > 1) mpp_error("topog: at most one of round_shallow/deepen_shallow/fill_shallow can be set to true");
+     
+  if(count>0) enforce_min_depth(nx_dst, ny_dst, round_shallow, deepen_shallow, fill_shallow,
+				min_depth, depth);
+
+  free(depth_src);
+  free(mask_src);
+  free(x_src);
+  free(y_src);
+  free(xt_src);
+  free(yt_src);
+  free(x_out);
+  free(y_out);
+  
+}; /* create_realistic_topog */
+
+
+/*********************************************************************
+
+    void filter_topo( int nx, int ny, int num_pass, double *depth)
+
+       smooth topographic depth "d" with "num_pass" applications of a 2D
+       version of a shapiro filter (weights = 1/4, 1/2, 1/4) . 
+       allow filtering to decrease the bottom depth but not increase it.
+       do not allow original geometry to change.
+       note: depth "d" should be on a grid of uniformly constant spacing
+
+********************************************************************/
+void filter_topo( int nx, int ny, int num_pass, int smooth_topo_allow_deepening, double *depth)
+{
+  double *rmask, *s;  
+  double f[9], d_old;
+  int n1, n2, i, j, n, m, ip, jp;
+  size_t *dims;
+  
+  rmask = (double *)malloc(nx*ny*sizeof(double));
+  s     = (double *)malloc(nx*ny*sizeof(double));
+
+  /* 2D symmetric filter weights */
+
+  f[0] = 1.0/16.0;
+  f[1] = 1.0/8.0;
+  f[2] = 1.0/16.0;
+  f[3] = 1.0/8.0;
+  f[4] = 1.0/4.0;
+  f[5] = 1.0/8.0;
+  f[6] = 1.0/16.0;
+  f[7] = 1.0/8.0;
+  f[8] = 1.0/16.0;
+  
+  /* geometry mask */
+  for(i=0; i<nx*ny; i++) {
+    if(depth[i] == 0.0)
+      rmask[i] = 0.0;
+    else
+      rmask[i] = 1.0;
+  }
+
+  for(n=1;n<=num_pass;n++) {
+    for(j=1;j<ny-1;j++) {
+      for(i=1;i<nx-1;i++) {
+	s[j*nx+i] = 0.0;
+	d_old = depth[j*nx+i];
+	for(ip=-1;ip<=1;ip++) {
+	  for(jp=-1;jp<=1;jp++) {
+	    m = (ip+1)*3 + jp+1;
+	    if (rmask[(j+jp)*nx+i+ip] == 0.0) 
+	      s[j*nx+i] = s[j*nx+i] + depth[j*nx+i]*f[m];
+            else
+	      s[j*nx+i] = s[j*nx+i] + depth[(j+jp)*nx+i+ip]*f[m];
+	  }
+	}
+	if (! smooth_topo_allow_deepening) {
+	  if (s[j*nx+i] > d_old)  s[j*nx+i] = d_old;
+	}
+	s[j*nx+i] = s[j*nx+i]*rmask[j*nx+i];
+      }
+    }
+    for(i=0; i<nx*ny; i++) depth[i] = s[i];
+  }
+  
+}; /* filter_topog */
+
+/*********************************************************************
+  void enforce_min_depth()
+  ! limit the minimum value of depth, depth should be >= min_depth. 
+ ********************************************************************/
+void enforce_min_depth(int nx, int ny, int round_shallow, int deepen_shallow,
+			   int fill_shallow, double min_depth, double *depth)
+{
+  int i, j, n, l;
+  
+  if(mpp_pe() == mpp_root_pe() ) printf(" Enforcing the minimum topography depth to be %f\n",min_depth);
+
+  n = 0;
+  if(round_shallow) {    
+    for(j=0;j<ny;j++){
+      for(i=0;i<nx;i++){
+	l = j*nx+i;
+	if (depth[l] != 0 && depth[l] < min_depth) {
+	  n = n + 1;
+	  if ( depth[l] < 0.5*min_depth) {
+	    printf("Making location i,j,depth= %d,%d,%f to land.\n",i, j, depth[l]);
+	    depth[l] = 0.0;
+	  }
+	  else {
+	    printf("Setting location i,j,depth= %d,%d,%f to minimum ocean depth.\n",i,j, depth[l]);
+	    depth[l] = min_depth;
+	  }
+	}
+      }
+    }
+  }
+  else if (fill_shallow) {
+    for(j=0;j<ny;j++){
+      for(i=0;i<nx;i++){
+	l = j*nx+i;
+	if (depth[l] != 0 && depth[l] < min_depth) {
+	  n = n + 1;
+	  printf("Making location i,j,depth= %d,%d,%f to land.\n",i, j, depth[l]);
+	  depth[l] = 0.0;
+	}
+      }
+    }
+  }
+  else if (deepen_shallow) {
+    for(j=0;j<ny;j++){
+      for(i=0;i<nx;i++){
+	l = j*nx+i;
+	if (depth[l] != 0 && depth[l] < min_depth) {
+	  n = n + 1;
+	  printf("Setting location i,j,depth= %d,%d,%f to minimum ocean depth.\n",i,j, depth[l]);
+	  depth[l] = min_depth;
+	}
+      }
+    }
+  }
+
+}; /* enforce_min_depth */
diff --git a/gridspec_tools_20080702/tools/make_topog/topog.h b/gridspec_tools_20080702/tools/make_topog/topog.h
new file mode 100644
index 0000000..291710c
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_topog/topog.h
@@ -0,0 +1,14 @@
+void create_rectangular_topog(int nx, int ny, double basin_depth, double *depth);
+void create_bowl_topog(int nx, int ny, const double *x, const double *y, double bottom_depth,
+		       double min_depth, double bowl_east, double bowl_south, double bowl_west,
+		       double bowl_north, double *depth);
+void create_gaussian_topog(int nx, int ny, const double *x, const double *y, double bottom_depth,
+			   double min_depth, double gauss_amp, double gauss_scale, double slope_x,
+			   double slope_y, double *depth);
+void create_idealized_topog( int nx, int ny, const double *x, const double *y,
+			     double bottom_depth, double min_depth, double *depth);
+void create_realistic_topog(int nx_dst, int ny_dst, const double *x_dst, const double *y_dst,
+			    const char* topog_file, const char* topog_field, double scale_factor,
+			    double fill_first_row, int filter_topog, int num_filter_pass,
+			    int smooth_topo_allow_deepening, int round_shallow, int fill_shallow,
+			    int deepen_shallow, double min_depth, double *depth );
diff --git a/gridspec_tools_20080702/tools/make_vgrid/Makefile.am b/gridspec_tools_20080702/tools/make_vgrid/Makefile.am
new file mode 100644
index 0000000..665483d
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_vgrid/Makefile.am
@@ -0,0 +1,41 @@
+## This is an automake file, part of Unidata's NetCDF CF Library
+## package. Copyright 2009, see the COPYRIGHT file for more
+## information.
+
+# This automake file is in charge of building the gridspec
+# make_vgrid tool.
+
+# $Id: Makefile.am,v 1.2 2009/04/08 11:39:02 ed Exp $
+
+bin_PROGRAMS = make_vgrid gs_make_vgrid
+make_vgrid_SOURCES = create_vgrid.c create_vgrid.h make_vgrid.c
+gs_make_vgrid_SOURCES = create_vgrid.c create_vgrid.h gs_make_vgrid.c
+
+# Initalize these.
+AM_CPPFLAGS = -I../shared -I../../shared/mosaic
+AM_LDFLAGS = -L../shared -L../../shared/mosaic
+
+# If the user specified a root location for NETCDF, use it.
+if USE_NETCDF_DIR
+AM_CPPFLAGS += -I at NETCDFDIR@/include
+AM_FCFLAGS = -I at NETCDFDIR@/include
+AM_LDFLAGS += -L at NETCDFDIR@/lib
+endif
+
+# If the user specified a root location for HDF5, use it.
+if USE_HDF5_DIR
+AM_CPPFLAGS += -I at HDF5DIR@/include
+AM_LDFLAGS += -L at HDF5DIR@/lib
+endif
+
+# We need the netCDF library, of course!
+LDADD = -ltoolsshared -lshared -lnetcdf
+
+# If the user is building with netCDF-4, we also have to link to the
+# HDF5 high-level library, and the HDF5 library, and the zlib
+# compression library.
+if USE_NETCDF4
+LDADD += -lhdf5_hl -lhdf5 -lz
+endif # USE_NETCDF4
+
+
diff --git a/gridspec_tools_20080702/tools/make_vgrid/Makefile.in b/gridspec_tools_20080702/tools/make_vgrid/Makefile.in
new file mode 100644
index 0000000..31c9141
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_vgrid/Makefile.in
@@ -0,0 +1,526 @@
+# Makefile.in generated by automake 1.10.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+ at SET_MAKE@
+
+# This automake file is in charge of building the gridspec
+# make_vgrid tool.
+
+# $Id: Makefile.am,v 1.2 2009/04/08 11:39:02 ed Exp $
+
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
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+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
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+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+bin_PROGRAMS = make_vgrid$(EXEEXT) gs_make_vgrid$(EXEEXT)
+
+# If the user specified a root location for NETCDF, use it.
+ at USE_NETCDF_DIR_TRUE@am__append_1 = -I at NETCDFDIR@/include
+ at USE_NETCDF_DIR_TRUE@am__append_2 = -L at NETCDFDIR@/lib
+
+# If the user specified a root location for HDF5, use it.
+ at USE_HDF5_DIR_TRUE@am__append_3 = -I at HDF5DIR@/include
+ at USE_HDF5_DIR_TRUE@am__append_4 = -L at HDF5DIR@/lib
+
+# If the user is building with netCDF-4, we also have to link to the
+# HDF5 high-level library, and the HDF5 library, and the zlib
+# compression library.
+ at USE_NETCDF4_TRUE@am__append_5 = -lhdf5_hl -lhdf5 -lz
+subdir = gridspec_tools_20080702/tools/make_vgrid
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+am__aclocal_m4_deps = $(top_srcdir)/m4/libtool.m4 \
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+	$(top_srcdir)/acinclude.m4 $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
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+	gs_make_vgrid.$(OBJEXT)
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+	--mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
+	$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+CCLD = $(CC)
+LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
+	--mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \
+	$(LDFLAGS) -o $@
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+make_vgrid_SOURCES = create_vgrid.c create_vgrid.h make_vgrid.c
+gs_make_vgrid_SOURCES = create_vgrid.c create_vgrid.h gs_make_vgrid.c
+
+# Initalize these.
+AM_CPPFLAGS = -I../shared -I../../shared/mosaic $(am__append_1) \
+	$(am__append_3)
+AM_LDFLAGS = -L../shared -L../../shared/mosaic $(am__append_2) \
+	$(am__append_4)
+ at USE_NETCDF_DIR_TRUE@AM_FCFLAGS = -I at NETCDFDIR@/include
+
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+
+.SUFFIXES:
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+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
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+		&& exit 0; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign  gridspec_tools_20080702/tools/make_vgrid/Makefile'; \
+	cd $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign  gridspec_tools_20080702/tools/make_vgrid/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
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+	esac;
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+	@list='$(bin_PROGRAMS)'; for p in $$list; do \
+	  p1=`echo $$p|sed 's/$(EXEEXT)$$//'`; \
+	  if test -f $$p \
+	     || test -f $$p1 \
+	  ; then \
+	    f=`echo "$$p1" | sed 's,^.*/,,;$(transform);s/$$/$(EXEEXT)/'`; \
+	   echo " $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(binPROGRAMS_INSTALL) '$$p' '$(DESTDIR)$(bindir)/$$f'"; \
+	   $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(binPROGRAMS_INSTALL) "$$p" "$(DESTDIR)$(bindir)/$$f" || exit 1; \
+	  else :; fi; \
+	done
+
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+	@$(NORMAL_UNINSTALL)
+	@list='$(bin_PROGRAMS)'; for p in $$list; do \
+	  f=`echo "$$p" | sed 's,^.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/'`; \
+	  echo " rm -f '$(DESTDIR)$(bindir)/$$f'"; \
+	  rm -f "$(DESTDIR)$(bindir)/$$f"; \
+	done
+
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+	  f=`echo $$p|sed 's/$(EXEEXT)$$//'`; \
+	  echo " rm -f $$p $$f"; \
+	  rm -f $$p $$f ; \
+	done
+gs_make_vgrid$(EXEEXT): $(gs_make_vgrid_OBJECTS) $(gs_make_vgrid_DEPENDENCIES) 
+	@rm -f gs_make_vgrid$(EXEEXT)
+	$(LINK) $(gs_make_vgrid_OBJECTS) $(gs_make_vgrid_LDADD) $(LIBS)
+make_vgrid$(EXEEXT): $(make_vgrid_OBJECTS) $(make_vgrid_DEPENDENCIES) 
+	@rm -f make_vgrid$(EXEEXT)
+	$(LINK) $(make_vgrid_OBJECTS) $(make_vgrid_LDADD) $(LIBS)
+
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+	-rm -f *.$(OBJEXT)
+
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+
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+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-binPROGRAMS clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-exec-am: install-binPROGRAMS
+
+install-html: install-html-am
+
+install-info: install-info-am
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-ps: install-ps-am
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-binPROGRAMS
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-binPROGRAMS \
+	clean-generic clean-libtool ctags distclean distclean-compile \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-binPROGRAMS install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+	pdf pdf-am ps ps-am tags uninstall uninstall-am \
+	uninstall-binPROGRAMS
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/gridspec_tools_20080702/tools/make_vgrid/create_vgrid.c b/gridspec_tools_20080702/tools/make_vgrid/create_vgrid.c
new file mode 100644
index 0000000..6e84402
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_vgrid/create_vgrid.c
@@ -0,0 +1,43 @@
+#include <stdlib.h>
+#include "create_vgrid.h"
+#include "tool_util.h"
+
+/***********************************************************************
+   void create_vgrid(int nbnds, double *bnds, int *nz, char center, double *zeta)
+   This routine is used to create vertical grid. The created grid is on super grid.
+   the refinement is assumed to be 2.
+
+   INPUT:
+      nbnds:  number of vertical regions for varying resolution.      
+      bnds:   boundaries for defining vertical regions of varying resolution.
+              The size of bnds is nz.
+      nz:     Number of model grid points for each vertical regions of varying resolution.
+              The size of nz will be nz-1
+      center: grid cell center location. Its value can be 'N', 'T' or 'C' with default
+              value 'N'. When the value is 'N', supergrid location will be calculated.
+              When the value is 'T', model grid corner location will be calculated,
+              other grid location of the supergrid will be derived through T-cell
+              centered condition. When the value is 'C', model grid corner location will
+              be calculated, other grid location of the supergrid will be derived through
+              C-cell centered condition.
+
+   OUTPUT:
+      zeta:   created vertical grid location.
+
+***********************************************************************/
+
+void create_vgrid(int nbnds, double *bnds, int *nz, double *zeta, const char *center)
+{
+  int i, np;
+  double *zb=NULL;
+
+  
+  zb = compute_grid_bound(nbnds, bnds, nz, &np, center);
+  np++;
+  
+  for(i=0; i<np; i++) zeta[i] =zb[i];
+
+  free(zb);
+    
+  
+}; /* create_vgrid */
diff --git a/gridspec_tools_20080702/tools/make_vgrid/create_vgrid.h b/gridspec_tools_20080702/tools/make_vgrid/create_vgrid.h
new file mode 100644
index 0000000..679f7d4
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_vgrid/create_vgrid.h
@@ -0,0 +1,11 @@
+/***********************************************************************
+                       creater_vgrid.h
+    This header file contains interface to create vertical grid on supergrid. 
+    refinement =2 is assumed in this routine.
+    contact: Zhi.Liang at noaa.gov
+************************************************************************/
+
+#ifndef CREATE_VGRID_H_
+#define CREATE_VGRID_H_
+void create_vgrid(int nbnds, double *bnds, int *nz, double *zeta, const char *center);
+#endif
diff --git a/gridspec_tools_20080702/tools/make_vgrid/gs_make_vgrid.c b/gridspec_tools_20080702/tools/make_vgrid/gs_make_vgrid.c
new file mode 100644
index 0000000..0ff8321
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_vgrid/gs_make_vgrid.c
@@ -0,0 +1,133 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <getopt.h>
+#include "create_vgrid.h"
+#include "mpp_io.h"
+
+#define MAXBOUNDS 100
+
+char *usage[] = {
+  "",
+  "                                                                                 ",
+  "                                                                                 ",
+  "                    Usage of make_vgrid                                          ",
+  "                                                                                 ",
+  "   make_vgrid --nbnds nbnds --bnds z(1),...,z(nbnds) --nz nz                     ",
+  "              [--grid_name gridname]    [--center center]                        ",
+  "                                                                                 ",
+  "   NOTE: This program call be used to make vertical grid for FMS model.          ",
+  "         It uses cubic-spline algorithm to calculate the grid cell location.     ",
+  "         The output netcdf will contains information on supergrid with grid      ",
+  "         size equal model grid size multipling refinement ( always 2 ).          ",
+  "         make_vgrid takes the following flags                                    ",
+  "                                                                                 ",
+  "   Required Flags:                                                               ",
+  "                                                                                 ",
+  "   --nbnds nbnds             Specify number of vertical regions for varying      ",
+  "                             resolution.                                         ",
+  "                                                                                 ",  
+  "   --bnds z(1),.,z(nbnds)    Specify boundaries for defining vertical regions of ",
+  "                             varying resolution.                                 ",
+  "                                                                                 ",
+  "   --nz nz(1),..,nz(nbnds-1) Number of model grid points for each vertical       ",
+  "                             regions of varying resolution.                       "
+  "                                                                                 ",  
+  "   Optional Flags:                                                               ",
+  "                                                                                 ",
+  " --grid_name gridname        Specify the grid name. The output grid file name    ",
+  "                             will be grid_name.nc. The default value is          ",
+  "                             vertical_grid.                                      ",
+  "                                                                                 ",  
+  " --center   center           Specify the center location of grid. The valid      ",
+  "                             entry will be 'none', 't_cell' or 'c_cell' with     ",
+  "                             default value 'none'. The grid refinement is        ",
+  "                             assumed to be 2 in x and y-direction when center    ",
+  "                             is not 'none'. 'c_cell' should be used for the grid ",
+  "                             used in MOM4.                                       ",
+  "                                                                                 ",
+  "                                                                                 ",
+  "   Example                                                                       ",      
+  "                                                                                 ",
+  "                                                                                 ",
+  " make_vgrid --nbnds 3 --bnds 10,200,1000 --nz 10,20                             ",
+  "       will make a grid file with 60 supergrid cells, 30 model grid cells        ",
+  "       with refinement is 2.                                                     ",
+  "",
+  NULL };  
+
+char grid_version[] = "0.2";
+char tagname[] = "$Name:  $";
+
+int main(int argc, char* argv[])
+{
+  int nbnds, n1, n2, i, nk;
+  double bnds[MAXBOUNDS];
+  int    nz[MAXBOUNDS-1];
+  char gridname[128]= "vertical_grid";
+  char filename[128];
+  double *zeta;
+  char center[32] = "none";
+  char entry[512];
+  char history[256];
+  int errflg, c, option_index = 0;
+  int ret;
+
+  static struct option long_options[]= {  
+    {"nbnds",    required_argument, NULL, 'n'},
+    {"bnds",     required_argument, NULL, 'b'},
+    {"nz",       required_argument, NULL, 'z'},
+    {"grid_name",required_argument, NULL, 'o'},        
+    {"center",   required_argument, NULL, 'c'},    
+    {0, 0, 0, 0}
+  };
+  
+  /* process command line */
+  errflg = argc <4;
+  nbnds = 0;
+  n1 = 0;
+  n2 = 0;
+  while ((c = getopt_long(argc, argv, "", long_options, &option_index)) != -1)
+    switch (c) {
+    case 'n':
+      nbnds = atoi(optarg);
+      break;
+    case 'b':
+      strcpy(entry, optarg);
+      n1 = get_double_entry(entry, bnds);
+      break;
+    case 'z':
+      strcpy(entry, optarg);
+      n2 = get_int_entry(entry, nz);
+      break;
+    case 'o':
+      strcpy(gridname, optarg);
+      break;
+    case 'c':
+      strcpy(center, optarg);
+      break;
+    case '?':
+      errflg++;      
+    }
+
+  if (errflg ) {
+    char **u = usage;
+    while (*u) { fprintf(stderr, "%s\n", *u); u++; }
+    mpp_error("Wrong usage of this program, check arguments") ;
+  }    
+
+  /* define history to be the history in the grid file */
+  strcpy(history,argv[0]);
+
+  for(i=1;i<argc;i++) {
+    strcat(history, " ");
+    strcat(history, argv[i]);
+  }
+
+  if ((ret = gs_make_vgrid(history, nbnds, n1, n2, gridname, center)))
+     return ret;
+
+  mpp_end();
+
+  return 0;
+}    
diff --git a/gridspec_tools_20080702/tools/make_vgrid/make_vgrid.c b/gridspec_tools_20080702/tools/make_vgrid/make_vgrid.c
new file mode 100644
index 0000000..987a682
--- /dev/null
+++ b/gridspec_tools_20080702/tools/make_vgrid/make_vgrid.c
@@ -0,0 +1,162 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <getopt.h>
+#include "create_vgrid.h"
+#include "mpp_io.h"
+
+#define MAXBOUNDS 100
+
+char *usage[] = {
+  "",
+  "                                                                                 ",
+  "                                                                                 ",
+  "                    Usage of make_vgrid                                          ",
+  "                                                                                 ",
+  "   make_vgrid --nbnds nbnds --bnds z(1),...,z(nbnds) --nz nz                     ",
+  "              [--grid_name gridname]    [--center center]                        ",
+  "                                                                                 ",
+  "   NOTE: This program call be used to make vertical grid for FMS model.          ",
+  "         It uses cubic-spline algorithm to calculate the grid cell location.     ",
+  "         The output netcdf will contains information on supergrid with grid      ",
+  "         size equal model grid size multipling refinement ( always 2 ).          ",
+  "         make_vgrid takes the following flags                                    ",
+  "                                                                                 ",
+  "   Required Flags:                                                               ",
+  "                                                                                 ",
+  "   --nbnds nbnds             Specify number of vertical regions for varying      ",
+  "                             resolution.                                         ",
+  "                                                                                 ",  
+  "   --bnds z(1),.,z(nbnds)    Specify boundaries for defining vertical regions of ",
+  "                             varying resolution.                                 ",
+  "                                                                                 ",
+  "   --nz nz(1),..,nz(nbnds-1) Number of model grid points for each vertical       ",
+  "                             regions of varying resolution.                       "
+  "                                                                                 ",  
+  "   Optional Flags:                                                               ",
+  "                                                                                 ",
+  " --grid_name gridname        Specify the grid name. The output grid file name    ",
+  "                             will be grid_name.nc. The default value is          ",
+  "                             vertical_grid.                                      ",
+  "                                                                                 ",  
+  " --center   center           Specify the center location of grid. The valid      ",
+  "                             entry will be 'none', 't_cell' or 'c_cell' with     ",
+  "                             default value 'none'. The grid refinement is        ",
+  "                             assumed to be 2 in x and y-direction when center    ",
+  "                             is not 'none'. 'c_cell' should be used for the grid ",
+  "                             used in MOM4.                                       ",
+  "                                                                                 ",
+  "                                                                                 ",
+  "   Example                                                                       ",      
+  "                                                                                 ",
+  "                                                                                 ",
+  " make_vgrid --nbnds 3 --bnds 10,200,1000 --nz 10,20                             ",
+  "       will make a grid file with 60 supergrid cells, 30 model grid cells        ",
+  "       with refinement is 2.                                                     ",
+  "",
+  NULL };  
+
+char grid_version[] = "0.2";
+char tagname[] = "$Name:  $";
+
+int main(int argc, char* argv[])
+{
+  int nbnds, n1, n2, i, nk;
+  double bnds[MAXBOUNDS];
+  int    nz[MAXBOUNDS-1];
+  char gridname[128]= "vertical_grid";
+  char filename[128];
+  double *zeta;
+  char center[32] = "none";
+  char entry[512];
+  char history[256];
+  int errflg, c, option_index = 0;
+  static struct option long_options[]= {  
+    {"nbnds",    required_argument, NULL, 'n'},
+    {"bnds",     required_argument, NULL, 'b'},
+    {"nz",       required_argument, NULL, 'z'},
+    {"grid_name",required_argument, NULL, 'o'},        
+    {"center",   required_argument, NULL, 'c'},    
+    {0, 0, 0, 0}
+  };
+  
+    /*
+   * process command line
+   */
+  errflg = argc <4;
+  nbnds = 0;
+  n1 = 0;
+  n2 = 0;
+  while ((c = getopt_long(argc, argv, "", long_options, &option_index)) != -1)
+    switch (c) {
+    case 'n':
+      nbnds = atoi(optarg);
+      break;
+    case 'b':
+      strcpy(entry, optarg);
+      n1 = get_double_entry(entry, bnds);
+      break;
+    case 'z':
+      strcpy(entry, optarg);
+      n2 = get_int_entry(entry, nz);
+      break;
+    case 'o':
+      strcpy(gridname, optarg);
+      break;
+    case 'c':
+      strcpy(center, optarg);
+      break;
+    case '?':
+      errflg++;      
+    }
+
+  if (errflg ) {
+    char **u = usage;
+    while (*u) { fprintf(stderr, "%s\n", *u); u++; }
+    mpp_error("Wrong usage of this program, check arguments") ;
+  }    
+
+  /* check the command-line arguments to make sure the value are suitable */
+  if( nbnds < 2 ) mpp_error("number of bounds specified through -nbnd should be an integer greater than 1");
+  if( nbnds != n1 ) mpp_error("nbnds does not equal number entry specified through -bnd");
+  if( nbnds-1 != n2 ) mpp_error("nbnds-1 does not match number entry specified through -nz");
+
+  /* generate grid */
+  nk = 0;
+  for(i=0; i<nbnds-1; i++) nk += nz[i];
+  zeta = (double *)malloc((nk+1)*sizeof(double));
+  create_vgrid(nbnds, bnds, nz, zeta, center);
+
+  /* define history to be the history in the grid file */
+  strcpy(history,argv[0]);
+
+  for(i=1;i<argc;i++) {
+    strcat(history, " ");
+    strcat(history, argv[i]);
+  }
+
+  sprintf(filename, "%s.nc", gridname);
+  
+  /* write out vertical grid into a netcdf file */
+  {
+    int fid, dim, varid;
+    
+    fid = mpp_open(filename, MPP_WRITE);
+    dim  = mpp_def_dim(fid, "nzv", nk+1);
+    varid = mpp_def_var(fid, "zeta", NC_DOUBLE, 1, &dim, 2, "standard_name", "vertical_grid_vertex",
+			"units", "meters");
+    mpp_def_global_att(fid, "grid_version", grid_version);
+    mpp_def_global_att(fid, "code_version", tagname);
+    mpp_def_global_att(fid, "history", history);    
+    mpp_end_def(fid);
+    mpp_put_var_value(fid, varid, zeta);
+  
+    mpp_close(fid);
+  }
+
+  if(mpp_pe() == mpp_root_pe()) printf("Successfully generate vertical grid file %s\n", filename);
+  
+  mpp_end();
+
+  return 0;
+}    
diff --git a/gridspec_tools_20080702/tools/river_regrid/Makefile.am b/gridspec_tools_20080702/tools/river_regrid/Makefile.am
new file mode 100644
index 0000000..f2d1a67
--- /dev/null
+++ b/gridspec_tools_20080702/tools/river_regrid/Makefile.am
@@ -0,0 +1,41 @@
+## This is an automake file, part of Unidata's NetCDF CF Library
+## package. Copyright 2009, see the COPYRIGHT file for more
+## information.
+
+# This automake file is in charge of building the gridspec
+# river_regrid tool.
+
+# $Id: Makefile.am,v 1.2 2009/04/08 11:39:02 ed Exp $
+
+bin_PROGRAMS = river_regrid gs_river_regrid
+river_regrid_SOURCES = river_regrid.c
+gs_river_regrid_SOURCES = gs_river_regrid.c
+
+# Initalize these.
+AM_CPPFLAGS = -I../shared -I../../shared/mosaic
+AM_LDFLAGS = -L../shared -L../../shared/mosaic
+
+# If the user specified a root location for NETCDF, use it.
+if USE_NETCDF_DIR
+AM_CPPFLAGS += -I at NETCDFDIR@/include
+AM_FCFLAGS = -I at NETCDFDIR@/include
+AM_LDFLAGS += -L at NETCDFDIR@/lib
+endif
+
+# If the user specified a root location for HDF5, use it.
+if USE_HDF5_DIR
+AM_CPPFLAGS += -I at HDF5DIR@/include
+AM_LDFLAGS += -L at HDF5DIR@/lib
+endif
+
+# We need the netCDF library, of course!
+LDADD = -ltoolsshared -lshared -lnetcdf
+
+# If the user is building with netCDF-4, we also have to link to the
+# HDF5 high-level library, and the HDF5 library, and the zlib
+# compression library.
+if USE_NETCDF4
+LDADD += -lhdf5_hl -lhdf5 -lz
+endif # USE_NETCDF4
+
+
diff --git a/gridspec_tools_20080702/tools/river_regrid/Makefile.in b/gridspec_tools_20080702/tools/river_regrid/Makefile.in
new file mode 100644
index 0000000..b6583b5
--- /dev/null
+++ b/gridspec_tools_20080702/tools/river_regrid/Makefile.in
@@ -0,0 +1,524 @@
+# Makefile.in generated by automake 1.10.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+ at SET_MAKE@
+
+# This automake file is in charge of building the gridspec
+# river_regrid tool.
+
+# $Id: Makefile.am,v 1.2 2009/04/08 11:39:02 ed Exp $
+
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+bin_PROGRAMS = river_regrid$(EXEEXT) gs_river_regrid$(EXEEXT)
+
+# If the user specified a root location for NETCDF, use it.
+ at USE_NETCDF_DIR_TRUE@am__append_1 = -I at NETCDFDIR@/include
+ at USE_NETCDF_DIR_TRUE@am__append_2 = -L at NETCDFDIR@/lib
+
+# If the user specified a root location for HDF5, use it.
+ at USE_HDF5_DIR_TRUE@am__append_3 = -I at HDF5DIR@/include
+ at USE_HDF5_DIR_TRUE@am__append_4 = -L at HDF5DIR@/lib
+
+# If the user is building with netCDF-4, we also have to link to the
+# HDF5 high-level library, and the HDF5 library, and the zlib
+# compression library.
+ at USE_NETCDF4_TRUE@am__append_5 = -lhdf5_hl -lhdf5 -lz
+subdir = gridspec_tools_20080702/tools/river_regrid
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/m4/libtool.m4 \
+	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
+	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
+	$(top_srcdir)/acinclude.m4 $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h $(top_builddir)/nfconfig.inc
+CONFIG_CLEAN_FILES =
+am__installdirs = "$(DESTDIR)$(bindir)"
+binPROGRAMS_INSTALL = $(INSTALL_PROGRAM)
+PROGRAMS = $(bin_PROGRAMS)
+am_gs_river_regrid_OBJECTS = gs_river_regrid.$(OBJEXT)
+gs_river_regrid_OBJECTS = $(am_gs_river_regrid_OBJECTS)
+gs_river_regrid_LDADD = $(LDADD)
+am__DEPENDENCIES_1 =
+gs_river_regrid_DEPENDENCIES = $(am__DEPENDENCIES_1)
+am_river_regrid_OBJECTS = river_regrid.$(OBJEXT)
+river_regrid_OBJECTS = $(am_river_regrid_OBJECTS)
+river_regrid_LDADD = $(LDADD)
+river_regrid_DEPENDENCIES = $(am__DEPENDENCIES_1)
+DEFAULT_INCLUDES = -I. at am__isrc@ -I$(top_builddir)
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+	  rm -f $$p $$f ; \
+	done
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+	@rm -f gs_river_regrid$(EXEEXT)
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+	@rm -f river_regrid$(EXEEXT)
+	$(LINK) $(river_regrid_OBJECTS) $(river_regrid_LDADD) $(LIBS)
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+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
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diff --git a/gridspec_tools_20080702/tools/river_regrid/gs_river_regrid.c b/gridspec_tools_20080702/tools/river_regrid/gs_river_regrid.c
new file mode 100644
index 0000000..a7d738c
--- /dev/null
+++ b/gridspec_tools_20080702/tools/river_regrid/gs_river_regrid.c
@@ -0,0 +1,119 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <getopt.h>
+#include <math.h>
+#include "mpp.h"
+#include "mpp_io.h"
+#include "create_xgrid.h"
+#include "constant.h"
+#include "mosaic_util.h"
+#include "tool_util.h"
+
+char *usage[] = {
+   "",
+   "  river_regrid --mosaic mosaic_grid --river_src river_src_file [--output output_file] ",
+   "                                                                                    ",
+   "river_regrid will remap river network data from global regular lat-lon grid onto any  ",
+   "other grid (includes regular lat-lon grid and cubic grid ), which is specified        ",
+   "through option --mosaic. The river network source data is specified through option    ",
+   "--river_src.                                                                          ",
+   "                                                                                      ",
+   "river_regrid takes the following flags:                                               ",
+   "                                                                                      ",
+   "REQUIRED:                                                                             ",
+   "                                                                                      ",
+   "--mosaic    mosaic_grid     specify the mosaic file of destination grid. This mosaic  ",
+   "                            file should be a coupler mosaic file, which contains link ",
+   "                            to land solo mosaic and the exchange grid file.           ",
+   "                                                                                      ",
+   "--river_src river_src_file  specify the river network source data file. The data is   ",
+   "                            assumed on regular lat-lon grid and the longitude is      ",
+   "                            assumed from 0 to 360 degree and latitude is assumed      ",
+   "                            from -90 to 90 degree.                                    ",
+   "                                                                                      ",
+   "OPTIONAL FLAGS                                                                        ",
+   "                                                                                      ",
+   "--output output_file        specify the output file base name. the suffix '.nc'       ",
+   "                            should not be included in the output_file. The default    ",
+   "                            value is river_output. For one tile mosaic, the actual    ",
+   "                            result will be $output_file.nc. For multiple tile mosaic, ",
+   "                            the result will be $output.tile#.nc.                      ",
+   "                                                                                      ",  
+   NULL
+};
+
+int main(int argc, char* argv[])
+{
+   unsigned int opcode = 0;  
+   int          option_index, c;
+   char         *mosaic_file     = NULL;
+   char         *river_src_file  = NULL;
+   char         output_file[256] = "river_output";
+   int          ntiles, n;
+   char         land_mosaic_dir[256];
+   char         land_mosaic[256];
+   char         land_mosaic_file[256];  
+   char         history[1024];
+  
+   river_type river_in;
+   river_type *river_out; /* may be more than one tile */
+
+   int errflg = (argc == 1);
+   int ret;
+
+   int    sizeof_int  = 0;
+   int    sizeof_double = 0;
+
+   static struct option long_options[] = {
+      {"mosaic_grid",       required_argument, NULL, 'a'},
+      {"river_src_file",    required_argument, NULL, 'b'},
+      {"output",            required_argument, NULL, 'c'},
+      {0, 0, 0, 0},
+   };      
+
+   mpp_init(&argc, &argv);
+   sizeof_int = sizeof(int);
+   sizeof_double = sizeof(double);
+  
+   /* currently we are assuming the tool is always run on 1 processor */
+   if(mpp_npes() > 1) mpp_error("river_regrid: parallel is not supported yet, try running one single processor");
+   while ((c = getopt_long(argc, argv, "", long_options, &option_index)) != -1) {
+      switch (c) {
+	 case 'a':
+	    mosaic_file  = optarg;
+	    break;
+	 case 'b':
+	    river_src_file = optarg;
+	    break;
+	 case 'c':
+	    strcpy(output_file,optarg);
+	    break;
+	 case '?':
+	    errflg++;
+	    break;
+      }
+   }
+  
+   if (errflg) {
+      char **u = usage;
+      while (*u) { fprintf(stderr, "%s\n", *u); u++; }
+      exit(2);
+   }       
+
+   strcpy(history,argv[0]);
+   for(n=1;n<argc;n++)  {
+      strcat(history, " ");
+      strcat(history, argv[n]); 
+   }
+
+   if ((ret = gs_river_regrid(history, mosaic_file, 
+                              river_src_file, output_file)))
+      return ret;
+
+   mpp_end();
+
+   return 0;  
+
+} /* end of main */
+
diff --git a/gridspec_tools_20080702/tools/river_regrid/river_regrid.c b/gridspec_tools_20080702/tools/river_regrid/river_regrid.c
new file mode 100644
index 0000000..f821e9e
--- /dev/null
+++ b/gridspec_tools_20080702/tools/river_regrid/river_regrid.c
@@ -0,0 +1,1484 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <getopt.h>
+#include <math.h>
+#include "mpp.h"
+#include "mpp_io.h"
+#include "create_xgrid.h"
+#include "constant.h"
+#include "mosaic_util.h"
+#include "tool_util.h"
+
+char *usage[] = {
+  "",
+  "  river_regrid --mosaic mosaic_grid --river_src river_src_file [--output output_file] ",
+  "                                                                                    ",
+  "river_regrid will remap river network data from global regular lat-lon grid onto any  ",
+  "other grid (includes regular lat-lon grid and cubic grid ), which is specified        ",
+  "through option --mosaic. The river network source data is specified through option    ",
+  "--river_src.                                                                          ",
+  "                                                                                      ",
+  "river_regrid takes the following flags:                                               ",
+  "                                                                                      ",
+  "REQUIRED:                                                                             ",
+  "                                                                                      ",
+  "--mosaic    mosaic_grid     specify the mosaic file of destination grid. This mosaic  ",
+  "                            file should be a coupler mosaic file, which contains link ",
+  "                            to land solo mosaic and the exchange grid file.           ",
+  "                                                                                      ",
+  "--river_src river_src_file  specify the river network source data file. The data is   ",
+  "                            assumed on regular lat-lon grid and the longitude is      ",
+  "                            assumed from 0 to 360 degree and latitude is assumed      ",
+  "                            from -90 to 90 degree.                                    ",
+  "                                                                                      ",
+  "OPTIONAL FLAGS                                                                        ",
+  "                                                                                      ",
+  "--output output_file        specify the output file base name. the suffix '.nc'       ",
+  "                            should not be included in the output_file. The default    ",
+  "                            value is river_output. For one tile mosaic, the actual    ",
+  "                            result will be $output_file.nc. For multiple tile mosaic, ",
+  "                            the result will be $output.tile#.nc.                      ",
+  "                                                                                      ",  
+  NULL
+};
+
+/* const double LARGE_VALUE       = 1e20; */
+/* const int    X_CYCLIC          = 1; */
+/* const int    Y_CYCLIC          = 2; */
+/* const int    CUBIC_GRID        = 4; */
+/* const int    x_refine          = 2; */
+/* const int    y_refine          = 2; */
+/* const double EPSLN             = 1.e-4; */
+/* const double MIN_AREA_RATIO    = 1.e-6; */
+/* const double D2R               = M_PI/180.; */
+/*const char   subA_name[]       = "subA";*/
+/* const char   tocell_name[]     = "tocell"; */
+/* const char   travel_name[]     = "travel"; */
+/* const char   basin_name[]      = "basin"; */
+/* const char   cellarea_name[]   = "cellarea"; */
+/* const char   celllength_name[] = "celllength"; */
+/* const char   landfrac_name[]   = "land_frac"; */
+/* const char   tagname[]         = "$Name:  $"; */
+/* const char   version[]         = "0.1"; */
+/* const int    ncells = 3; */
+char   xaxis_name[128];
+char   yaxis_name[128];
+/* char   gridx_name[] = "grid_x"; */
+/* char   gridy_name[] = "grid_y"; */
+/* char   x_name[]     = "x"; */
+/* char   y_name[]     = "y"; */
+/* double suba_cutoff = 1.e12;   */
+
+
+/* typedef struct { */
+/*   int nx; */
+/*   int ny; */
+/*   double *xt; */
+/*   double *yt; */
+/*   double *xb; */
+/*   double *yb; */
+/*   double *xb_r; */
+/*   double *yb_r; */
+/*   double *area; */
+/*   double *landfrac; */
+/*   double *subA; */
+/*   double *cellarea; */
+/*   double *celllength; */
+/*   int    *tocell; */
+/*   int    *travel; */
+/*   int    *basin; */
+/*   int    *dir; */
+/*   int    *last_point; */
+/*   double subA_missing; */
+/*   double cellarea_missing; */
+/*   double celllength_missing; */
+/*   int    tocell_missing; */
+/*   int    travel_missing; */
+/*   int    basin_missing; */
+/*   char   filename[128]; */
+/* } river_type; */
+
+//inline void swap(void *x, void *y, size_t l);
+void qsort_index(double array[], int start, int end, int rank[]);
+void get_source_data(const char *src_file, river_type *river_data);
+void get_mosaic_grid(const char *coupler_mosaic, const char *land_mosaic,
+		     int ntiles, river_type *river_data, unsigned int *opcode);
+void init_river_data(int ntiles, river_type *river_out, const river_type * const river_in);
+void calc_max_subA(const river_type *river_in, river_type *river_out,
+		   int ntiles, unsigned int opcode);
+void update_halo_double(int ntiles, double **data, int nx, int ny, unsigned int opcode);
+void update_halo_int(int ntiles, int **data, int nx, int ny, unsigned int opcode);
+int adjust_lon(double x[], double tlon);
+void calc_tocell(int ntiles, river_type *river_out, unsigned int opcode );
+void calc_river_data(int ntiles, river_type* river_data, unsigned int opcode  );
+void sort_basin(int ntiles, river_type* river_data);
+
+void check_river_data( );
+void write_river_data(const char *river_src_file, const char *output_file,
+		      river_type* river_out, const char *history, int ntiles);
+double distance(double lon1, double lat1, double lon2, double lat2);
+
+int main(int argc, char* argv[])
+{
+  unsigned int opcode = 0;  
+  int          option_index, c;
+  char         *mosaic_file     = NULL;
+  char         *river_src_file  = NULL;
+  char         output_file[256] = "river_output";
+  int          ntiles, n;
+  char         land_mosaic_dir[256];
+  char         land_mosaic[256];
+  char         land_mosaic_file[256];  
+  char         history[1024];
+  
+  river_type river_in;
+  river_type *river_out; /* may be more than one tile */
+
+  int errflg = (argc == 1);
+
+  int    sizeof_int  = 0;
+  int    sizeof_double = 0;
+
+  static struct option long_options[] = {
+    {"mosaic_grid",       required_argument, NULL, 'a'},
+    {"river_src_file",    required_argument, NULL, 'b'},
+    {"output",            required_argument, NULL, 'c'},
+    {0, 0, 0, 0},
+  };      
+
+  mpp_init(&argc, &argv);
+  sizeof_int = sizeof(int);
+  sizeof_double = sizeof(double);
+  
+  /* currently we are assuming the tool is always run on 1 processor */
+  if(mpp_npes() > 1) mpp_error("river_regrid: parallel is not supported yet, try running one single processor");
+  while ((c = getopt_long(argc, argv, "", long_options, &option_index)) != -1) {
+    switch (c) {
+    case 'a':
+      mosaic_file  = optarg;
+      break;
+    case 'b':
+      river_src_file = optarg;
+      break;
+    case 'c':
+      strcpy(output_file,optarg);
+      break;
+    case '?':
+      errflg++;
+      break;
+    }
+  }
+  
+  if (errflg) {
+    char **u = usage;
+    while (*u) { fprintf(stderr, "%s\n", *u); u++; }
+    exit(2);
+  }       
+
+  /* check the arguments */
+  if( !mosaic_file    ) mpp_error("fregrid: mosaic_grid is not specified");
+  if( !river_src_file ) mpp_error("fregrid: river_source_file is not specified");
+
+  strcpy(history,argv[0]);
+  for(n=1;n<argc;n++)  {
+    strcat(history, " ");
+    strcat(history, argv[n]); 
+  }
+
+#ifdef test_qsort  
+  {
+    /* test qsort_index here */
+    int    i, size = 7;
+    double array[]={12,5,18,25,14, 4,11};
+    int    rank[]={1,2,3,4,5,6,7};
+
+    qsort_index(array, 0, size-1, rank);
+    for(i=0; i<size; i++) printf("value = %f, rank = %d \n", array[i], rank[i]);
+  }
+#endif
+  
+  /* First read the source data and source grid */
+  get_source_data(river_src_file, &river_in);
+
+  /* get the mosaic grid information */
+  {
+    int fid, vid;
+    get_file_path(mosaic_file, land_mosaic_dir);
+    fid = mpp_open(mosaic_file, MPP_READ);
+    vid = mpp_get_varid(fid, "lnd_mosaic_file");
+    mpp_get_var_value(fid, vid, land_mosaic_file);
+    sprintf(land_mosaic, "%s/%s", land_mosaic_dir, land_mosaic_file);
+    mpp_close(fid);
+    fid = mpp_open(land_mosaic, MPP_READ);
+    ntiles = mpp_get_dimlen( fid, "ntiles");
+    mpp_close(fid);
+  }
+  river_out = (river_type *)malloc(ntiles*sizeof(river_type));
+  
+  get_mosaic_grid(mosaic_file, land_mosaic, ntiles, river_out, &opcode);
+
+  init_river_data(ntiles, river_out, &river_in);
+  
+  calc_max_subA(&river_in, river_out, ntiles, opcode );
+
+  calc_tocell(ntiles, river_out, opcode );
+
+  calc_river_data(ntiles, river_out, opcode );
+
+  sort_basin(ntiles, river_out);
+  
+  check_river_data(ntiles, river_out);
+  
+  write_river_data(river_src_file, output_file, river_out, history, ntiles);
+  
+  printf("Successfully running river_regrid and the following output file are generated.\n");
+  for(n=0; n<ntiles; n++) printf("****%s\n", river_out[n].filename);
+  
+  mpp_end();
+
+  return 0;  
+
+} /* end of main */
+
+
+/* /\*------------------------------------------------------------------------------ */
+/*   void get_source_data(char *src_file) */
+/*   read the source file to get the source grid and river network data */
+/*   -----------------------------------------------------------------------------*\/ */
+/* void get_source_data(const char *src_file, river_type *river_data) */
+/* { */
+/*   int nx, ny, nxp, nyp; */
+/*   int i, j; */
+/*   int fid, vid; */
+/*   double dbl_missing; */
+
+/*   fid = mpp_open(src_file, MPP_READ); */
+/*   vid = mpp_get_varid(fid, subA_name); */
+  
+/*   mpp_get_var_dimname(fid, vid, 1, xaxis_name); */
+/*   mpp_get_var_dimname(fid, vid, 0, yaxis_name); */
+/*   nx  = mpp_get_dimlen(fid, xaxis_name ); */
+/*   ny  = mpp_get_dimlen(fid, yaxis_name ); */
+/*   nxp = nx + 1; */
+/*   nyp = ny + 1; */
+/*   river_data->nx  = nx; */
+/*   river_data->ny  = ny; */
+  
+/*   river_data->xt   = (double *)malloc(nx*sizeof(double)); */
+/*   river_data->yt   = (double *)malloc(ny*sizeof(double)); */
+/*   river_data->xb   = (double *)malloc(nxp*sizeof(double));  */
+/*   river_data->yb   = (double *)malloc(nyp*sizeof(double)); */
+/*   river_data->xb_r = (double *)malloc(nxp*sizeof(double));  */
+/*   river_data->yb_r = (double *)malloc(nyp*sizeof(double)); */
+/*   river_data->subA = (double *)malloc(nx*ny*sizeof(double)); */
+/*   mpp_get_var_att(fid, vid, "missing_value", &(river_data->subA_missing) ); */
+/*   vid = mpp_get_varid(fid, tocell_name); */
+/*   mpp_get_var_att(fid, vid, "missing_value", &dbl_missing ); */
+/*   river_data->tocell_missing = dbl_missing; */
+/*   vid = mpp_get_varid(fid, travel_name); */
+/*   mpp_get_var_att(fid, vid, "missing_value", &dbl_missing ); */
+/*   river_data->travel_missing = dbl_missing; */
+/*   vid = mpp_get_varid(fid, basin_name); */
+/*   mpp_get_var_att(fid, vid, "missing_value", &dbl_missing ); */
+/*   river_data->basin_missing = dbl_missing; */
+/*   vid = mpp_get_varid(fid, cellarea_name); */
+/*   mpp_get_var_att(fid, vid, "missing_value", &(river_data->cellarea_missing) ); */
+/*   vid = mpp_get_varid(fid, celllength_name); */
+/*   mpp_get_var_att(fid, vid, "missing_value", &(river_data->celllength_missing) ); */
+
+/*   vid = mpp_get_varid(fid, subA_name); */
+/*   mpp_get_var_value(fid, vid, river_data->subA); */
+/*   vid = mpp_get_varid(fid, xaxis_name); */
+/*   mpp_get_var_value(fid, vid, river_data->xt); */
+/*   vid = mpp_get_varid(fid, yaxis_name); */
+/*   mpp_get_var_value(fid, vid, river_data->yt); */
+/*   mpp_close(fid); */
+  
+/*   for(i=1; i<nx; i++ ) river_data->xb[i] = 0.5*(river_data->xt[i-1]+river_data->xt[i]); */
+/*   for(j=1; j<ny; j++ ) river_data->yb[j] = 0.5*(river_data->yt[j-1]+river_data->yt[j]); */
+/*   river_data->xb[0] = 2*river_data->xt[0] - river_data->xb[1]; */
+/*   river_data->yb[0] = 2*river_data->yt[0] - river_data->yb[1]; */
+/*   river_data->xb[nx] = 2*river_data->xt[nx-1] - river_data->xb[nx-1]; */
+/*   river_data->yb[ny] = 2*river_data->yt[ny-1] - river_data->yb[ny-1]; */
+
+/*   /\* make sure the xb is in the range [0,360] and yb is in the range [-90,90] *\/ */
+/*   if(fabs(river_data->xb[0]) > EPSLN) mpp_error("river_regrid: The starting longitude of grid bound is not 0"); */
+/*   if(fabs(river_data->xb[nx]-360) > EPSLN) mpp_error("river_regrid: The ending longitude of grid bound is not 360");   */
+/*   if(fabs(river_data->yb[0]+90) > EPSLN) mpp_error("river_regrid: The starting latitude of grid bound is not -90"); */
+/*   if(fabs(river_data->yb[ny]-90) > EPSLN) mpp_error("river_regrid: The ending latitude of grid bound is not 90");   */
+/*   river_data->xb[0]  = 0.; */
+/*   river_data->xb[nx] = 360.; */
+/*   river_data->yb[0]  = -90.; */
+/*   river_data->yb[ny] = 90.; */
+/*   for(j=0; j<nyp; j++) river_data->yb_r[j] = river_data->yb[j]*D2R; */
+/*   for(i=0; i<nxp; i++) river_data->xb_r[i] = river_data->xb[i]*D2R; */
+
+/* } */
+
+/* /\*---------------------------------------------------------------------- */
+/*    read the grid of detination mosaic.  */
+/*    void get_mosaic_grid(char *file) */
+/*    where file is the coupler mosaic file. */
+/*    --------------------------------------------------------------------*\/ */
+/* void get_mosaic_grid(const char *coupler_mosaic, const char *land_mosaic, int ntiles, river_type *river_data, unsigned int *opcode) */
+/* { */
+/*   int    n_xgrid_files, nx, ny, nxp, nyp, ni, nj, nip, njp; */
+/*   int    n, m, i, j, ii, jj, nxp2, nyp2; */
+/*   size_t start[4], nread[4]; */
+/*   char   dir[STRING], gridfile[STRING], tilefile[STRING]; */
+/*   char   tilename[STRING], land_mosaic_name[STRING]; */
+/*   char   **xgrid_file; */
+/*   double *x, *y; */
+/*   double **pxt, **pyt; */
+/*   char *pfile; */
+/*   int  m_fid, m_vid, g_fid, g_vid; */
+
+/*   /\* coupler_mosaic, land_mosaic, and exchange grid file should be located in the same directory *\/ */
+/*   get_file_path(coupler_mosaic, dir); */
+  
+/*   m_fid = mpp_open(coupler_mosaic, MPP_READ); */
+/*   m_vid = mpp_get_varid(m_fid, "lnd_mosaic"); */
+/*   mpp_get_var_value(m_fid, m_vid, land_mosaic_name); */
+  
+/*   /\* get the exchange grid file name *\/ */
+/*   n_xgrid_files = mpp_get_dimlen(m_fid, "nfile_aXl"); */
+/*   xgrid_file = (char **)malloc(n_xgrid_files*sizeof(char *)); */
+
+/*   m_vid = mpp_get_varid(m_fid, "aXl_file"); */
+/*   for(n=0; n<n_xgrid_files; n++) { */
+/*     xgrid_file[n] = (char *)malloc(STRING*sizeof(char)); */
+/*     start[0] = n; */
+/*     start[1] = 0; */
+/*     nread[0] = 1; */
+/*     nread[1] = STRING;     */
+/*     mpp_get_var_value_block(m_fid, m_vid, start, nread, xgrid_file[n]); */
+/*   } */
+/*   mpp_close(m_fid); */
+/*   m_fid = mpp_open(land_mosaic, MPP_READ); */
+/*   m_vid = mpp_get_varid(m_fid, "gridfiles"); */
+  
+/*   for( n = 0; n < ntiles; n++ ) { */
+/*     double *area; */
+    
+/*     start[0] = n; */
+/*     start[1] = 0; */
+/*     nread[0] = 1; */
+/*     nread[1] = STRING; */
+/*     mpp_get_var_value_block(m_fid, m_vid, start, nread, tilefile); */
+/*     sprintf(gridfile, "%s/%s", dir, tilefile); */
+/*     g_fid = mpp_open(gridfile, MPP_READ); */
+/*     ni = mpp_get_dimlen(g_fid, "nx"); */
+/*     nj = mpp_get_dimlen(g_fid, "ny"); */
+/*     nip = ni + 1; */
+/*     njp = nj + 1; */
+/*     x = (double *)malloc(nip*njp*sizeof(double)); */
+/*     y = (double *)malloc(nip*njp*sizeof(double)); */
+/*     g_vid = mpp_get_varid(g_fid, "x"); */
+/*     mpp_get_var_value(g_fid, g_vid, x); */
+/*     g_vid = mpp_get_varid(g_fid, "y"); */
+/*     mpp_get_var_value(g_fid, g_vid, y); */
+/*     mpp_close(g_fid); */
+/*     if( ni%x_refine != 0 ) mpp_error("river_regrid: supergrid x-size can not be divided by x_refine"); */
+/*     if( nj%y_refine != 0 ) mpp_error("river_regrid: supergrid y-size can not be divided by y_refine"); */
+/*     nx   = ni/x_refine; */
+/*     ny   = nj/y_refine; */
+/*     nxp  = nx + 1; */
+/*     nyp  = ny + 1; */
+/*     nxp2 = nx + 2; */
+/*     nyp2 = ny + 2; */
+/*     river_data[n].nx       = nx; */
+/*     river_data[n].ny       = ny; */
+/*     river_data[n].xt       = (double *)malloc(nxp2*nyp2*sizeof(double));         */
+/*     river_data[n].yt       = (double *)malloc(nxp2*nyp2*sizeof(double)); */
+/*     river_data[n].xb       = (double *)malloc(nxp*nyp*sizeof(double)); */
+/*     river_data[n].yb       = (double *)malloc(nxp*nyp*sizeof(double)); */
+/*     river_data[n].xb_r     = (double *)malloc(nxp*nyp*sizeof(double)); */
+/*     river_data[n].yb_r     = (double *)malloc(nxp*nyp*sizeof(double));     */
+/*     river_data[n].area     = (double *)malloc(nx*ny*sizeof(double)); */
+/*     river_data[n].landfrac = (double *)malloc(nx*ny*sizeof(double));     */
+/*     area                   = (double *)malloc(nx*ny*sizeof(double)); */
+    
+/*     /\* copy the data from super grid to fine grid *\/ */
+/*     for(i=0; i<nx*ny; i++) area[i] = 0.0; */
+/*     for(j = 0; j < ny; j++) for(i = 0; i < nx; i++) { */
+/*       ii = i+1; */
+/*       jj = j+1; */
+/*       river_data[n].xt[jj*nxp2+ii] = x[(j*y_refine+1)*nip+i*x_refine+1]; */
+/*       river_data[n].yt[jj*nxp2+ii] = y[(j*y_refine+1)*nip+i*x_refine+1]; */
+/*     } */
+/*     for(j = 0; j < nyp; j++) for(i = 0; i < nxp; i++) { */
+/*       river_data[n].xb[j*nxp+i] = x[(j*y_refine)*nip+i*x_refine]; */
+/*       river_data[n].yb[j*nxp+i] = y[(j*y_refine)*nip+i*x_refine]; */
+/*     }      */
+/*     free(x); */
+/*     free(y); */
+/*     /\* calculate cell area *\/ */
+
+/*     for(m=0; m<nxp*nyp; m++) { */
+/*       river_data[n].xb_r[m] = river_data[n].xb[m] * D2R; */
+/*       river_data[n].yb_r[m] = river_data[n].yb[m] * D2R; */
+/*     } */
+/*     get_grid_area(&nx, &ny, river_data[n].xb_r, river_data[n].yb_r, river_data[n].area); */
+
+/*     /\* calculate the land fraction *\/ */
+/*     sprintf(tilename, "X%s_tile%d", land_mosaic_name, n+1); */
+/*     for(m=0; m<n_xgrid_files; m++) { */
+/*       if(strstr(xgrid_file[m],tilename)) { */
+/* 	int    nxgrid, l; */
+/* 	int    *i1, *j1, *i2, *j2; */
+/* 	double *xgrid_area; */
+/* 	char filewithpath[512]; */
+	
+/* 	sprintf(filewithpath, "%s/%s", dir, xgrid_file[m]); */
+/* 	g_fid = mpp_open(filewithpath, MPP_READ); */
+/* 	nxgrid = mpp_get_dimlen(g_fid, "ncells"); */
+/* 	mpp_close(g_fid); */
+/* 	i1         = (int    *)malloc(nxgrid*sizeof(int)); */
+/* 	j1         = (int    *)malloc(nxgrid*sizeof(int));	   */
+/* 	i2         = (int    *)malloc(nxgrid*sizeof(int)); */
+/* 	j2         = (int    *)malloc(nxgrid*sizeof(int)); */
+/* 	xgrid_area = (double *)malloc(nxgrid*sizeof(double)); */
+/* 	read_mosaic_xgrid_order1(filewithpath, i1, j1, i2, j2, xgrid_area); */
+/* 	for(l=0; l<nxgrid; l++) area[j2[l]*nx+i2[l]] += xgrid_area[l]; */
+/* 	free(i1); */
+/* 	free(j1); */
+/* 	free(i2); */
+/* 	free(j2); */
+/*       } */
+/*     } */
+
+/*     for(m=0; m<nx*ny; m++) area[m] *= 4*M_PI*RADIUS*RADIUS; */
+/*     for(m=0; m<nx*ny; m++) { */
+/*       river_data[n].landfrac[m] = area[m]/river_data[n].area[m]; */
+/*       /\* consider truncation error *\/ */
+/*       if(fabs(river_data[n].landfrac[m]-1) < EPSLN) river_data[n].landfrac[m] = 1; */
+/*       if(fabs(river_data[n].landfrac[m])   < EPSLN) river_data[n].landfrac[m] = 0; */
+/*       if(river_data[n].landfrac[m] > 1 || river_data[n].landfrac[m] < 0) */
+/* 	mpp_error("river_regrid: land_frac should be between 0 or 1"); */
+/*     } */
+/*     free(area); */
+/*   } /\* n = 0, ntiles *\/ */
+
+/*   mpp_close(m_fid); */
+  
+/*   /\* currently we are assuming all the times have the same grid size *\/ */
+/*   for(n=1; n<ntiles; n++) { */
+/*     if(river_data[n].nx != river_data[0].nx || river_data[n].ny != river_data[0].ny ) */
+/*       mpp_error("river_regrid: all the tiles should have the same grid size"); */
+/*   } */
+  
+/*   /\*---------------------------------------------------------------------------- */
+/*     get boundary condition, currently we are assuming the following case, */
+/*     solid walls: number of contact will be 0. */
+/*     x-cyclic:    number of contact will be 1. */
+/*     y-cyclic:    number of contact will be 1. */
+/*     torus:       number of contact will be 2. */
+/*     cubic:       number of contact will be 12. */
+/*     --------------------------------------------------------------------------*\/ */
+/*   { */
+/*     int ncontact; */
+/*     int *tile1, *tile2; */
+/*     int *istart1, *iend1, *jstart1, *jend1; */
+/*     int *istart2, *iend2, *jstart2, *jend2; */
+    
+/*     ncontact = read_mosaic_ncontacts(land_mosaic); */
+/*     tile1   = (int *)malloc(ncontact*sizeof(int)); */
+/*     tile2   = (int *)malloc(ncontact*sizeof(int)); */
+/*     istart1 = (int *)malloc(ncontact*sizeof(int)); */
+/*     iend1   = (int *)malloc(ncontact*sizeof(int)); */
+/*     jstart1 = (int *)malloc(ncontact*sizeof(int)); */
+/*     jend1   = (int *)malloc(ncontact*sizeof(int)); */
+/*     istart2 = (int *)malloc(ncontact*sizeof(int)); */
+/*     iend2   = (int *)malloc(ncontact*sizeof(int)); */
+/*     jstart2 = (int *)malloc(ncontact*sizeof(int)); */
+/*     jend2   = (int *)malloc(ncontact*sizeof(int)); */
+/*     if(ncontact >0) { */
+/*       read_mosaic_contact(land_mosaic, tile1, tile2, istart1, iend1, */
+/* 			  jstart1, jend1, istart2, iend2, jstart2, jend2); */
+/*       if(ncontact <= 2) { /\* x-cyclic of y-cyclic *\/ */
+/* 	if(ntiles !=1) mpp_error("river_regrid: number of tiles must be 1 for single contact"); */
+/* 	for(n=0; n<ncontact; n++) { */
+/* 	  if(istart1[n] == iend1[n] && istart2[n] == iend2[n] ) /\* x_cyclic *\/ */
+/* 	    *opcode |= X_CYCLIC; */
+/* 	  else if(jstart1[n] == jend1[n] && istart2[n] == iend2[n] ) /\* x_cyclic *\/ */
+/* 	    *opcode |= Y_CYCLIC; */
+/* 	  else */
+/* 	    mpp_error("river_regrid: for one-tile mosaic, the boundary condition should be either x-cyclic or y-cyclic"); */
+/* 	} */
+/*       } */
+/*       else if(ncontact == 12) { */
+/* 	if(ntiles != 6) mpp_error("river_regrid: the mosaic must be a 6-tile cubic grid for 12 contacts."); */
+/* 	*opcode |= CUBIC_GRID; */
+/*       } */
+/*       else */
+/* 	mpp_error("river_regrid: the number of contact should be either 0, 1, 2 or 6"); */
+/*     } */
+
+/*     free(tile1); */
+/*     free(tile2); */
+/*     free(istart1); */
+/*     free(iend1); */
+/*     free(jstart1); */
+/*     free(jend1); */
+/*     free(istart2); */
+/*     free(iend2); */
+/*     free(jstart2); */
+/*     free(jend2); */
+/*   } */
+
+/*   /\* update halo of xt and yt *\/ */
+/*   pxt = (double **)malloc(ntiles*sizeof(double *)); */
+/*   pyt = (double **)malloc(ntiles*sizeof(double *)); */
+/*   for(n=0; n<ntiles; n++) { */
+/*     pxt[n] = river_data[n].xt; */
+/*     pyt[n] = river_data[n].yt; */
+/*   } */
+/*   update_halo_double(ntiles, pxt, nx, ny, *opcode); */
+/*   update_halo_double(ntiles, pyt, nx, ny, *opcode); */
+/*   free(pxt); */
+/*   free(pyt); */
+  
+/* }; /\* get_mosaic_grid *\/ */
+
+/* /\*------------------------------------------------------------------------------ */
+/*   void init_river_data */
+/*   allocate memory to river data and initialize these river data with missing value */
+/*   ----------------------------------------------------------------------------*\/ */
+/* void init_river_data(int ntiles, river_type *river_out, const river_type * const river_in) */
+/* { */
+/*   int nx, ny, nxp2, nyp2, n, i; */
+/*   int tocell_missing, subA_missing, travel_missing, basin_missing; */
+/*   double cellarea_missing, celllength_missing; */
+  
+/*   nx = river_out->nx; */
+/*   ny = river_out->ny; */
+/*   nxp2 = nx + 2; */
+/*   nyp2 = ny + 2; */
+/*   subA_missing   = river_in->subA_missing; */
+/*   tocell_missing = river_in->tocell_missing; */
+/*   travel_missing = river_in->travel_missing; */
+/*   basin_missing  = river_in->basin_missing; */
+/*   cellarea_missing = river_in->cellarea_missing; */
+/*   celllength_missing = river_in->celllength_missing; */
+/*   for(n=0; n<ntiles; n++) { */
+/*     river_out[n].subA_missing   = subA_missing; */
+/*     river_out[n].tocell_missing = tocell_missing; */
+/*     river_out[n].travel_missing = travel_missing; */
+/*     river_out[n].basin_missing  = basin_missing; */
+/*     river_out[n].cellarea_missing = cellarea_missing; */
+/*     river_out[n].celllength_missing  = celllength_missing; */
+/*     river_out[n].subA       = (double *)malloc(nxp2*nyp2*sizeof(double)); */
+/*     river_out[n].tocell     = (int    *)malloc(nxp2*nyp2*sizeof(int   )); */
+/*     river_out[n].travel     = (int    *)malloc(nxp2*nyp2*sizeof(int   )); */
+/*     river_out[n].basin      = (int    *)malloc(nxp2*nyp2*sizeof(int   )); */
+/*     river_out[n].dir        = (int    *)malloc(nxp2*nyp2*sizeof(int   )); */
+/*     river_out[n].cellarea   = (double *)malloc(nx  *ny  *sizeof(double)); */
+/*     river_out[n].celllength = (double *)malloc(nx  *ny  *sizeof(double)); */
+/*     river_out[n].last_point = (int    *)malloc(nx  *ny  *sizeof(int   )); */
+/*     for(i=0; i<nxp2*nyp2; i++) { */
+/*       river_out[n].subA  [i] = subA_missing; */
+/*       river_out[n].travel[i] = travel_missing; */
+/*       river_out[n].basin [i] = basin_missing; */
+/*       river_out[n].tocell[i] = tocell_missing; */
+/*       river_out[n].dir[i]    = -1; */
+/*     } */
+/*     for(i=0; i<nx*ny; i++) { */
+/*       river_out[n].cellarea[i]   = cellarea_missing; */
+/*       river_out[n].celllength[i] = celllength_missing; */
+/*       river_out[n].last_point[i] =  0; */
+/*     } */
+/*   } */
+
+/* } */
+
+
+/* /\*------------------------------------------------------------------------------ */
+/*   void calc_max_subA(const river_type *river_in, river_type *river_out, int ntiles) */
+/*   find max value of suba in each model grid cell. */
+/*   ----------------------------------------------------------------------------*\/ */
+/* void calc_max_subA(const river_type *river_in, river_type *river_out, int ntiles, unsigned int opcode) */
+/* { */
+/*   int nx_in, ny_in; */
+/*   int nx_out, ny_out, nxp_out, nxp1, nyp1, nxp2, nyp2; */
+/*   int n, i, j, i1, j1, ii, jj, n_out; */
+/*   double missing, ll_y, ur_y, ll_x, ur_x; */
+/*   double xv1[4], yv1[4], xv2[20], yv2[20]; */
+/*   double *xb_in, *yb_in; */
+/*   double *xb_out, *yb_out; */
+/*   double **psubA; */
+  
+/*   nx_in = river_in->nx; */
+/*   ny_in = river_in->ny; */
+/*   xb_in = river_in->xb_r; */
+/*   yb_in = river_in->yb_r; */
+/*   missing = river_out->subA_missing; */
+  
+/*   for(n=0; n<ntiles; n++) { */
+/*     nx_out   = river_out[n].nx; */
+/*     ny_out   = river_out[n].ny; */
+/*     nxp2     = nx_out + 2; */
+/*     nyp2     = ny_out + 2;     */
+/*     nxp_out  = nx_out+1; */
+/*     xb_out   = river_out[n].xb_r; */
+/*     yb_out   = river_out[n].yb_r; */
+/*     for(j=0; j<ny_out; j++) for(i=0; i<nx_out; i++) { */
+/*       j1 = j+1; */
+/*       i1 = i+1; */
+/*       /\* set partial land cell and ocean cell to have large subA value *\/ */
+/*       if(river_out[n].landfrac[j*nx_out+i] < 1) { */
+/* 	river_out[n].subA[j1*nxp2+i1] = LARGE_VALUE; */
+/* 	continue; */
+/*       } */
+      
+/*       xv1[0] = xb_out[j*nxp_out+i]; */
+/*       xv1[1] = xb_out[j*nxp_out+i1]; */
+/*       xv1[2] = xb_out[j1*nxp_out+i1]; */
+/*       xv1[3] = xb_out[j1*nxp_out+i];  */
+/*       yv1[0] = yb_out[j*nxp_out+i]; */
+/*       yv1[1] = yb_out[j*nxp_out+i1]; */
+/*       yv1[2] = yb_out[j1*nxp_out+i1]; */
+/*       yv1[3] = yb_out[j1*nxp_out+i];  */
+      
+/*       for(jj=0; jj<ny_in; jj++) { */
+/* 	ll_y = yb_in[jj]; */
+/* 	ur_y = yb_in[jj+1]; */
+/* 	if (  (yv1[0]<=ll_y) && (yv1[1]<=ll_y) */
+/* 	      && (yv1[2]<=ll_y) && (yv1[3]<=ll_y) ) continue; */
+/* 	if (  (yv1[0]>=ur_y) && (yv1[1]>=ur_y) */
+/* 	      && (yv1[2]>=ur_y) && (yv1[3]>=ur_y) ) continue; */
+	
+/* 	for(ii=0; ii<nx_in; ii++) { */
+/* 	  if(river_in->subA[jj*nx_in+ii] == missing) continue; */
+/* 	  ll_x = xb_in[ii]; */
+/* 	  ur_x = xb_in[ii+1]; */
+/* 	  /\* adjust xv1 to make sure it is in the range as ll_x and ur_x *\/ */
+/* 	  adjust_lon(xv1, 0.5*(ll_x + ur_x) ); */
+/* 	  if ( (xv1[0]<=ll_x) && (xv1[1]<=ll_x) && (xv1[2]<=ll_x) && (xv1[3]<=ll_x) ) continue; */
+/* 	  if ( (xv1[0]>=ur_x) && (xv1[1]>=ur_x) && (xv1[2]>=ur_x) && (xv1[3]>=ur_x) ) continue;	   */
+/* 	  if ( (n_out = clip ( xv1, yv1, 4, ll_x, ll_y, ur_x, ur_y, xv2, yv2 )) > 0 ) { */
+/* 	    double xarea;  */
+/* 	    xarea = poly_area (xv2, yv2, n_out ); */
+/* 	    if( xarea/river_out[n].area[j*nx_out+i] < MIN_AREA_RATIO ) continue; */
+/* 	    if(river_in->subA[jj*nx_in+ii] > river_out[n].subA[j1*nxp2+i1]) */
+/* 	      river_out[n].subA[j1*nxp2+i1] = river_in->subA[jj*nx_in+ii]; */
+/* 	  } */
+/* 	} */
+/*       } */
+/*     } */
+/*   } */
+	
+/*   /\* fill the halo of subA *\/ */
+/*   psubA = (double **)malloc(ntiles*sizeof(double *)); */
+/*   for(n=0; n<ntiles; n++) psubA[n] = river_out[n].subA;  */
+/*   update_halo_double(ntiles, psubA, river_out->nx, river_out->ny, opcode);  */
+/*   free(psubA); */
+/* };/\* calc_max_subA *\/ */
+
+/* /\*------------------------------------------------------------------------------ */
+/*   void update_halo_double(int ntiles, double *data, int nx, int ny, unsigned int opcode) */
+/*   We assume all the tiles have the same size. */
+/*   -----------------------------------------------------------------------------*\/ */
+/* void update_halo_double(int ntiles, double **data, int nx, int ny, unsigned int opcode) */
+/* { */
+/*   int nxp1, nyp1, nxp2, i, j, n; */
+/*   int te, tw, ts, tn; */
+  
+/*   nxp1   = nx + 1; */
+/*   nyp1   = ny + 1; */
+/*   nxp2   = nx + 2; */
+/*   if(opcode & X_CYCLIC) { */
+/*     for(j=1; j<nyp1; j++) { */
+/*       data[0][j*nxp2]      = data[0][j*nxp2+nx];     /\* West *\/ */
+/*       data[0][j*nxp2+nxp1] = data[0][j*nxp2+1];      /\* east *\/ */
+/*     } */
+/*   } */
+/*   if(opcode & Y_CYCLIC) { */
+/*     for(i=1; i<nyp1; i++) { */
+/*       data[0][i]           = data[0][ny*nxp2+i];     /\* south *\/ */
+/*       data[0][nyp1*nxp2+i] = data[0][nxp2+i];        /\* north *\/ */
+/*     } */
+/*   } */
+/*   if(opcode & X_CYCLIC && opcode & Y_CYCLIC) { */
+/*     data[0][0]              = data[0][ny*nxp2];      /\* southwest *\/ */
+/*     data[0][nxp1]           = data[0][ny*nxp2+1];    /\* southeast *\/     */
+/*     data[0][nyp1*nxp2+nxp1] = data[0][nxp2+1];       /\* northeast *\/ */
+/*     data[0][nyp1*nxp2]      = data[0][nxp2+nx];      /\* northwest *\/      */
+/*   } */
+
+/*   if(opcode & CUBIC_GRID) { */
+/*     for(n=0; n<ntiles; n++) { */
+      
+/*       if(n%2) { /\* tile 2 4 6 *\/ */
+/* 	tw = (n+5)%ntiles; te = (n+2)%ntiles; ts = (n+4)%ntiles; tn = (n+1)%ntiles; */
+/* 	for(j=1; j<nyp1; j++) { */
+/* 	  data[n][j*nxp2]      = data[tw][j*nxp2+nx];     /\* west *\/ */
+/* 	  data[n][j*nxp2+nxp1] = data[te][nxp2+(nxp1-j)]; /\* east *\/ */
+/* 	} */
+/* 	for(i=1; i<nxp1; i++) { */
+/* 	  data[n][i]           = data[ts][(nyp1-i)*nxp2+nx]; /\* south *\/ */
+/* 	  data[n][nyp1*nxp2+i] = data[tn][nxp2+i];           /\* north *\/ */
+/* 	} */
+/*       } else {  /\* tile 1, 3, 5 *\/ */
+/*        tw = (n+4)%ntiles; te = (n+1)%ntiles; ts = (n+5)%ntiles; tn = (n+2)%ntiles; */
+/* 	for(j=1; j<nyp1; j++) { */
+/* 	  data[n][j*nxp2]      = data[tw][ny*nxp2+nxp1-j]; /\* west *\/ */
+/* 	  data[n][j*nxp2+nxp1] = data[te][j*nxp2+1];       /\* east *\/ */
+/* 	} */
+/* 	for(i=1; i<nxp1; i++) { */
+/* 	  data[n][i]           = data[ts][ny*nxp2+i];       /\* south *\/ */
+/* 	  data[n][nyp1*nxp2+i] = data[tn][(nyp1-i)*nxp2+1]; /\* north *\/ */
+/* 	} */
+/*       } */
+/*     } */
+/*   } */
+  
+/* };/\* update_halo *\/ */
+
+/* void update_halo_int(int ntiles, int **data, int nx, int ny, unsigned int opcode) */
+/* { */
+/*   double **ldata; */
+/*   int n, i, j, nxp2, nyp2; */
+  
+/*   nxp2 = nx + 2; */
+/*   nyp2 = ny + 2; */
+
+
+  
+/*   ldata = (double **)malloc(ntiles*sizeof(double *)); */
+/*   for(n=0; n<ntiles; n++) { */
+/*     ldata[n] =  (double *)malloc(nxp2*nyp2*sizeof(double)); */
+/*     for(i=0; i<nxp2*nyp2; i++) ldata[n][i] = data[n][i]; */
+/*   } */
+/*   update_halo_double(ntiles, ldata, nx, ny, opcode); */
+/*   for(n=0; n<ntiles; n++) { */
+/*     for(i=0; i<nxp2*nyp2; i++) data[n][i] = ldata[n][i]; */
+/*     free(ldata[n]); */
+/*   } */
+/*   free(ldata); */
+  
+/* } */
+
+/* int adjust_lon(double x[], double tlon) */
+/* { */
+/*   double x_sum, dx; */
+/*   int i, npts = 4; */
+
+/*   x_sum = x[0]; */
+/*   for (i=1;i<npts;i++) { */
+/*     double dx = x[i]-x[i-1]; */
+
+/*     if      (dx < -M_PI) dx = dx + 2*M_PI; */
+/*     else if (dx >  M_PI) dx = dx - 2*M_PI; */
+/*     x_sum += (x[i] = x[i-1] + dx); */
+/*   } */
+
+/*   dx = (x_sum/npts)-tlon; */
+/*   if      (dx < -M_PI) for (i=0;i<npts;i++) x[i] += 2*M_PI; */
+/*   else if (dx >  M_PI) for (i=0;i<npts;i++) x[i] -= 2*M_PI; */
+
+/* }; /\* adjust_lon *\/ */
+
+/* /\*------------------------------------------------------------------------------ */
+/*   Find the tocell value for the new grid. */
+/*   void calc_tocell( ) */
+/*   ----------------------------------------------------------------------------*\/ */
+/* void calc_tocell(int ntiles, river_type *river_data, unsigned int opcode )   */
+/* { */
+/*   const int out_flow[] = { 8, 4, 2, 16, -1, 1, 32, 64, 128}; */
+/*   const int out_dir[]  = { 3, 2, 1, 4,  -1, 0, 5,   6,   7}; */
+/*   int n, nx, ny, nxp2, ioff, joff; */
+/*   int i, j, ii, jj, iget, jget, im1, jm1; */
+/*   double tval, subA_missing, subA, subA_me; */
+/*   int **ptocell, **pdir; */
+  
+/*   nx = river_data->nx; */
+/*   ny = river_data->ny; */
+/*   nxp2 = nx + 2; */
+/*   subA_missing = river_data->subA_missing; */
+/*   ptocell = (int **)malloc(ntiles*sizeof(int *)); */
+/*   pdir    = (int **)malloc(ntiles*sizeof(int *)); */
+/*   for(n=0; n<ntiles; n++) { */
+/*     ptocell[n] = river_data[n].tocell; */
+/*     pdir   [n] = river_data[n].dir; */
+/*   } */
+  
+/*   for(n=0; n<ntiles; n++) { */
+/*     for(j=1; j<=ny; j++) for(i=1; i<=nx; i++) { */
+/*       jm1 = j - 1; */
+/*       im1 = i - 1; */
+/*       if(river_data[n].landfrac[jm1*nx+im1] == 0) { */
+/* 	/\* do nothing *\/ */
+/*       } */
+/*       else if(river_data[n].landfrac[jm1*nx+im1] < 1) { */
+/* 	ptocell[n][j*nxp2+i] = 0; */
+/*       } */
+/*       else { */
+/* 	subA_me = river_data[n].subA[j*nxp2+i]; */
+/* 	tval= -999 ;  iget= -1 ;  jget= -1; */
+/* 	if(subA_me > suba_cutoff ) { /\* tocell will be land cell with larger subA value, instead of neighboring ocean cell. *\/ */
+/* 	  for(joff=0; joff<ncells; joff++) { */
+/* 	    jj = jm1+joff; */
+/* 	    for(ioff=0; ioff<ncells; ioff++) { */
+/* 	      ii = im1+ioff; */
+/* 	      if(ioff == 1 && joff == 1) continue; */
+/* 	      subA = river_data[n].subA[jj*nxp2+ii]; */
+/* 	      if(subA > subA_me) { */
+/* 		if(tval == -999 ) { */
+/* 		  if(subA > tval) { */
+/* 		    iget = ioff; */
+/* 		    jget = joff; */
+/* 		    tval = subA; */
+/* 		  } */
+/* 		} */
+/* 		else if(tval < LARGE_VALUE) { */
+/* 		  if(subA > tval && subA < LARGE_VALUE) { */
+/* 		    iget = ioff; */
+/* 		    jget = joff; */
+/* 		    tval = subA; */
+/* 		  } */
+/* 		} */
+/* 		else { */
+/* 		  iget = ioff; */
+/* 		  jget = joff; */
+/* 		  tval = subA; */
+/* 		} */
+/* 	      } */
+/* 	    } */
+/* 	  } */
+/* 	} */
+/* 	else { */
+/* 	  for(joff=0; joff<ncells; joff++) { */
+/* 	    jj = jm1+joff; */
+/* 	    for(ioff=0; ioff<ncells; ioff++) { */
+/* 	      ii = im1+ioff; */
+/* 	      if(ioff == 1 && joff == 1) continue; */
+
+/* 	      subA = river_data[n].subA[jj*nxp2+ii]; */
+/* 	      if( subA != subA_missing ) { */
+/* 		if( subA >= tval) { */
+/* 		  iget = ioff; */
+/* 		  jget = joff; */
+/* 		  tval = subA; */
+/* 		} */
+/* 	      } */
+/* 	    } */
+/* 	  } */
+/* 	} */
+/* 	if(iget >= 0 && jget >= 0) { */
+/* 	  if(tval > river_data[n].subA[j*nxp2+i]) { */
+/* 	    ptocell[n][j*nxp2+i] = out_flow[jget*ncells+iget]; */
+/* 	    pdir   [n][j*nxp2+i] = out_dir [jget*ncells+iget]; */
+/* 	    if(pow(2,pdir[n][j*nxp2+i]) != ptocell[n][j*nxp2+i] ) */
+/* 	      mpp_error("river_regrid: pow(2,dir) should equal to tocell"); */
+/* 	  } */
+/* 	  else */
+/* 	    ptocell[n][j*nxp2+i] = 0; */
+/* 	} */
+/* 	else  */
+/* 	  ptocell[n][j*nxp2+i] = 0; */
+/*       } */
+/*     } */
+/*   } */
+/*   update_halo_int(ntiles, ptocell, nx, ny, opcode);    */
+/*   update_halo_int(ntiles, pdir, nx, ny, opcode); */
+/*   free(ptocell); */
+/*   free(pdir); */
+  
+/* };/\* calc_tocell *\/ */
+
+
+/* /\*------------------------------------------------------------------------------ */
+/*   void calc_river_data() */
+/*   calculate travel and basin according to tocell, as well as celllength, cellarea. */
+/*   For each basin, one and only one river point will have tocell = 0, this point will */
+/*   have travel = 1. */
+/*   ----------------------------------------------------------------------------*\/ */
+/* void calc_river_data(int ntiles, river_type* river_data, unsigned int opcode ) */
+/* { */
+/*   int    nx, ny, nxp2, nyp2, n, i, j, ii, jj, nxp, nyp, im1, jm1, ioff, joff; */
+/*   int    cur_basin, cur_travel; */
+/*   int    not_done, dir, i_dest, j_dest; */
+/*   int    basin_missing, travel_missing, tocell_missing; */
+/*   int    maxtravel, maxbasin, travelnow; */
+/*   double subA_missing; */
+/*   int    **pbasin, **ptravel, **pdir; */
+/*   double **psubA; */
+/*   double xv[4], yv[4]; */
+  
+/*   const int di[] = {1,1,0,-1,-1,-1,0,1}; */
+/*   const int dj[] = {0,-1,-1,-1,0,1,1,1}; */
+/*   nx = river_data->nx; */
+/*   ny = river_data->ny; */
+/*   nxp  = nx+1; */
+/*   nyp  = ny+1; */
+/*   nxp2 = nx+2; */
+/*   nyp2 = ny+2; */
+/*   basin_missing  = river_data->basin_missing; */
+/*   subA_missing   = river_data->subA_missing; */
+/*   tocell_missing = river_data->tocell_missing; */
+/*   cur_basin = 0; */
+
+/*   /\* set up pointer *\/ */
+/*   pbasin  = (int **)malloc(ntiles*sizeof(int *)); */
+/*   ptravel = (int **)malloc(ntiles*sizeof(int *)); */
+/*   pdir    = (int **)malloc(ntiles*sizeof(int *)); */
+/*   psubA   = (double **)malloc(ntiles*sizeof(double *)); */
+/*   for(n=0; n<ntiles; n++) { */
+/*     pbasin [n] = river_data[n].basin; */
+/*     ptravel[n] = river_data[n].travel; */
+/*     psubA  [n] = river_data[n].subA; */
+/*     pdir   [n] = river_data[n].dir; */
+/*   } */
+
+
+/*   /\* reinitialize subA *\/ */
+/*   for(n=0; n<ntiles; n++) { */
+/*     for(i=0; i<nxp2*nyp2; i++) psubA[n][i] = subA_missing;     */
+/*   } */
+  
+/*   /\* calculate celllength and cellarea *\/ */
+/*   for(n=0; n<ntiles; n++) { */
+/*     for(j=0; j<ny; j++) for(i=0; i<nx; i++) { */
+/*       if(river_data[n].landfrac[j*nx+i] > 0) { */
+/* 	ii = i+1; */
+/* 	jj = j+1; */
+
+/* 	xv[0] = river_data[n].xb_r[j*nxp+i]; */
+/* 	xv[1] = river_data[n].xb_r[j*nxp+ii]; */
+/* 	xv[2] = river_data[n].xb_r[jj*nxp+ii]; */
+/* 	xv[3] = river_data[n].xb_r[jj*nxp+i]; */
+/* 	yv[0] = river_data[n].yb_r[j*nxp+i]; */
+/* 	yv[1] = river_data[n].yb_r[j*nxp+ii]; */
+/* 	yv[2] = river_data[n].yb_r[jj*nxp+ii]; */
+/* 	yv[3] = river_data[n].yb_r[jj*nxp+i]; */
+/* 	river_data[n].cellarea[j*nx+i] = river_data[n].area[j*nx+i]*river_data[n].landfrac[j*nx+i]; */
+/* 	dir = pdir[n][jj*nxp2+ii]; */
+/* 	if( dir >= 0) { */
+/* 	  i_dest = ii + di[dir]; */
+/* 	  j_dest = jj + dj[dir];	 */
+/* 	  river_data[n].celllength[j*nx+i] = distance(river_data[n].xt[jj*nxp2+ii], */
+/* 						      river_data[n].yt[jj*nxp2+ii], */
+/* 						      river_data[n].xt[j_dest*nxp2+i_dest], */
+/* 						      river_data[n].yt[j_dest*nxp2+i_dest] ); */
+/* 	} */
+/* 	else */
+/* 	  river_data[n].celllength[j*nx+i] = 0; */
+/*       } */
+/*     } */
+/*   } */
+
+  
+/*   /\* define the basinid and travel for the coast point *\/ */
+  
+/*   for(n=0; n<ntiles; n++) { */
+/*     for(j=1; j<=ny; j++) for(i=1; i<=nx; i++) { */
+/*       if(river_data[n].tocell[j*nxp2+i] == 0) { */
+/* 	pbasin[n] [j*nxp2+i] = ++cur_basin; */
+/* 	ptravel[n][j*nxp2+i] = 0; */
+/* 	river_data[n].last_point[(j-1)*nx+i-1] = 1; */
+/*       } */
+/*       else if(river_data[n].tocell[j*nxp2+i] > 0){ */
+/* 	dir = pdir[n][j*nxp2+i]; */
+/* 	i_dest = i + di[dir]; */
+/* 	j_dest = j + dj[dir]; */
+/* 	if(river_data[n].tocell[j_dest*nxp2+i_dest] == tocell_missing) { */
+/* 	  pbasin[n] [j*nxp2+i] = ++cur_basin; */
+/* 	  ptravel[n][j*nxp2+i] = 1; */
+/* 	  river_data[n].last_point[(j-1)*nx+i-1] = 1; */
+/* 	} */
+/*       } */
+/*     } */
+/*   } */
+
+/*   update_halo_int(ntiles, pbasin, nx, ny, opcode); */
+/*   update_halo_int(ntiles, ptravel, nx, ny, opcode); */
+  
+/*   /\* then define the travel and basin for all other points *\/ */
+/*   cur_travel = 0; */
+
+/*   not_done = 1; */
+/*   while(not_done) { */
+/*     not_done = 0; */
+/*     for(n=0; n<ntiles; n++) { */
+/*       for(j=1; j<=ny; j++) for(i=1; i<=nx; i++) { */
+/* 	dir = pdir[n][j*nxp2+i]; */
+/* 	if( dir >= 0 && pbasin[n][j*nxp2+i] == basin_missing ) { */
+/*           i_dest = i + di[dir]; */
+/* 	  j_dest = j + dj[dir]; */
+/* 	  if( ptravel[n][j_dest*nxp2+i_dest] == cur_travel ) { */
+/* 	    not_done = 1; /\* still have points need to be updateed *\/ */
+/* 	    if(pbasin[n][j_dest*nxp2+i_dest] == basin_missing) { */
+/* 	      mpp_error("river_grid: the tocell should have valid basin value"); */
+/* 	    } */
+/* 	    pbasin[n][j*nxp2+i] = pbasin[n][j_dest*nxp2+i_dest]; */
+/* 	    ptravel[n][j*nxp2+i] = cur_travel+1; */
+/* 	  } */
+/* 	} */
+/*       } */
+/*     } */
+/*     cur_travel++; */
+/*     update_halo_int(ntiles, pbasin, nx, ny, opcode); */
+/*     update_halo_int(ntiles, ptravel, nx, ny, opcode);     */
+/*   } */
+
+/*   /\* figure out maximum travel and maximum basin*\/ */
+/*   maxtravel = -1; */
+/*   maxbasin  = -1; */
+/*   basin_missing = river_data->basin_missing; */
+/*   for(n=0; n<ntiles; n++) { */
+/*     for(j=1; j<=ny; j++) for(i=1; i<=nx; i++) {     */
+/*       maxtravel = max(maxtravel, ptravel[n][j*nxp2+i]); */
+/*       maxbasin  = max(maxbasin,  pbasin[n][j*nxp2+i]); */
+/*     } */
+/*   } */
+
+/*   for(travelnow=maxtravel; travelnow>=0; travelnow--) { */
+/*     for(n=0; n<ntiles; n++) for(j=1; j<=ny; j++) for(i=1; i<=nx; i++) { */
+/*       jm1 = j - 1; */
+/*       im1 = i - 1; */
+/*       if(ptravel[n][j*nxp2+i] == travelnow) { */
+/* 	psubA[n][j*nxp2+i] = river_data[n].cellarea[jm1*nx+im1]; */
+/* 	/\* add the subA of from cell *\/ */
+/* 	for(joff=0; joff<ncells; joff++) for(ioff=0; ioff<ncells; ioff++) { */
+/* 	  if(ioff == 1 && joff == 1) continue; */
+/* 	  jj = jm1 + joff; */
+/* 	  ii = im1 + ioff; */
+/* 	  dir = pdir[n][jj*nxp2+ii]; */
+/* 	  /\* consider about the rotation when it is on the boundary *\/ */
+/* 	  if(dir >=0 ) { */
+/* 	    if( opcode & CUBIC_GRID ) { */
+/* 	      if(ii == 0) { /\* west *\/  */
+/* 		if(n%2==0) dir = (dir+2)%8;  /\* tile 1 3 5 *\/ */
+/* 	      } */
+/* 	      else if(ii == nxp) { /\*east *\/ */
+/* 		if(n%2==1) dir = (dir+2)%8;  /\* tile 2 4 6 *\/ */
+/* 	      } */
+/* 	      else if(jj == 0) { /\* south *\/ */
+/* 		if(n%2==1) dir = (dir+6)%8;  /\* tile 2 4 6 *\/ */
+/* 	      } */
+/* 	      else if(jj == nyp) { /\*north *\/ */
+/* 		if(n%2==0) dir = (dir+6)%8;  /\* tile 1 3 5 *\/ */
+/* 	      } */
+/* 	    } */
+/* 	    i_dest = ii + di[dir]; */
+/* 	    j_dest = jj + dj[dir]; */
+/* 	    if(i_dest == i && j_dest == j) psubA[n][j*nxp2+i] += psubA[n][jj*nxp2+ii]; */
+/* 	  } */
+/* 	} */
+/*       } */
+/*     } */
+/*     update_halo_double(ntiles, psubA, nx, ny, opcode); */
+/*   } */
+  
+/*   free(pbasin); */
+/*   free(ptravel); */
+/*   free(psubA); */
+/*   free(pdir); */
+/* }; /\*  calc_travel *\/ */
+
+/* /\*------------------------------------------------------------------------------ */
+/*   void check_river_data( ) */
+/*   check to make sure all the river points have been assigned travel and basin value */
+/*   and all the ocean points will have missing value. */
+/*   ----------------------------------------------------------------------------*\/ */
+  
+/* void check_river_data(int ntiles, river_type *river_data ) */
+/* { */
+/*   int maxtravel = -1; */
+/*   int maxbasin  = -1; */
+/*   int nx, ny, nxp2, nyp2; */
+/*   int n, i, j, im1, jm1, ioff, joff, ii, jj; */
+/*   int tocell, travel, basin; */
+/*   int tocell_missing, travel_missing, basin_missing; */
+/*   int ncoast_full_land, nsink; */
+/*   double subA, subA_missing; */
+/*   int *ncoast; */
+  
+/*   /\* print out maximum travel and number of rivers *\/ */
+/*   maxtravel = -1; */
+/*   maxbasin  = -1; */
+/*   nx = river_data->nx; */
+/*   ny = river_data->ny; */
+/*   nxp2 = nx + 2; */
+/*   nyp2 = ny + 2; */
+/*   subA_missing = river_data->subA_missing; */
+/*   tocell_missing = river_data->tocell_missing; */
+/*   basin_missing = river_data->basin_missing; */
+/*   travel_missing = river_data->travel_missing; */
+  
+/*   for(n=0; n<ntiles; n++) { */
+/*     for(j=1; j<=ny; j++) for(i=1; i<=nx; i++) {     */
+/*       maxtravel = max(maxtravel, river_data[n].travel[j*nxp2+i]); */
+/*       maxbasin  = max(maxbasin, river_data[n].basin[j*nxp2+i]); */
+/*     } */
+/*   } */
+/*   printf("==> NOTE from river_regrid: maximum travel is %d and maximum basin is %d.\n", maxtravel, maxbasin); */
+
+/*   ncoast_full_land = 0; */
+/*   nsink = 0; */
+/*   for(n=0; n<ntiles; n++) { */
+/*     for(j=1; j<=ny; j++) for(i=1; i<=nx; i++) { */
+/*       jm1 = j - 1; */
+/*       im1 = i -1; */
+/*       subA   = river_data[n].subA  [j*nxp2+i]; */
+/*       tocell = river_data[n].tocell[j*nxp2+i]; */
+/*       travel = river_data[n].travel[j*nxp2+i]; */
+/*       basin  = river_data[n].basin [j*nxp2+i]; */
+/*       if( river_data[n].landfrac[jm1*nx+im1] == 0) { */
+/* 	if(tocell!= tocell_missing || travel != travel_missing || */
+/* 	   basin != basin_missing || subA != subA_missing) { */
+/* 	  printf("At ocean points (i=%d,j=%d), subA = %f, tocell = %d, travel = %d, basin = %d.\n ", */
+/* 		 i, j, subA, tocell, travel, basin); */
+/* 	  mpp_error("river_regrid, subA, tocell, travel, or basin is not missing value for some ocean points"); */
+/* 	} */
+/*       } */
+/*       else { */
+/* 	if(tocell == tocell_missing || travel == travel_missing || */
+/* 	   basin == basin_missing || subA == subA_missing) { */
+/* 	  printf("At river points (i=%d,j=%d), subA = %f, tocell = %d, travel = %d, basin = %d.\n ", */
+/* 		 i, j, subA, tocell, travel, basin); */
+/* 	  mpp_error("river_regrid, subA, tocell, travel, or basin is missing value for some river points"); */
+/* 	} */
+/*       } */
+/*       /\* check if the points with land_frac == 1 and tocell=0, those points should be sink.*\/ */
+/*       if(river_data[n].landfrac[jm1*nx+im1] == 1 && tocell == 0) { */
+/* 	for(joff=0; joff<ncells; joff++) { */
+/* 	  jj = jm1+joff; */
+/* 	  for(ioff=0; ioff<ncells; ioff++) { */
+/* 	    ii = im1+ioff; */
+/*             if(ioff == 1 && joff == 1) continue; */
+/* 	    if(river_data[n].tocell[jj*nxp2+ii] == tocell_missing) { */
+/* 	      ncoast_full_land++; */
+/* 	      printf("At point (%d,%d), tocell = 0 and landfrac = 1 is a coast point\n", i, j); */
+/* 	      goto done_check; */
+/* 	    } */
+/* 	  } */
+/* 	} */
+/* 	 printf("At point (%d,%d), tocell = 0 and landfrac = 1 is a sink point\n", i, j); */
+/*         nsink++; */
+/*       done_check: continue;	 */
+/*       } */
+/*     } */
+/*   } */
+
+/*   if(ncoast_full_land > 0) */
+/*     printf("Warning from river_regrid: there are %d coast points is a full land cell\n", ncoast_full_land); */
+/*   else */
+/*     printf("NOTE from river_regrid: there are no coast points is a full land cell\n"); */
+
+/*   if(nsink > 0) */
+/*     printf("Warning from river_regrid: there are %d sink points is a full land cell\n", nsink); */
+/*   else */
+/*     printf("NOTE from river_regrid: there are no sink points is a full land cell\n"); */
+  
+/*   /\* check river travel to make sure there is one and only one point with travel = 0. *\/ */
+/*   ncoast = (int *)malloc(maxbasin*sizeof(int)); */
+/*   for(n=0; n<maxbasin; n++) ncoast[n] = 0; */
+/*   for(n=0; n<ntiles; n++) { */
+/*     for(j=1; j<=ny; j++) for(i=1; i<=nx; i++) { */
+/*       if(river_data[n].last_point[(j-1)*nx+i-1] ) ++ncoast[river_data[n].basin[j*nxp2+i]-1]; */
+/*     } */
+/*   } */
+/*   for(n=0; n<maxbasin; n++) { */
+/*     if(ncoast[n] <= 0) { */
+/*       printf("river with basin = %d has no point with travel = 0.\n", n+1); */
+/*       mpp_error("river_regrid: some river has no point with travel = 0"); */
+/*     } */
+/*     else if(ncoast[n] >1) { */
+/*       printf("river with basin = %d has more than one point with travel = 0.\n", n+1); */
+/*       mpp_error("river_regrid: some river has more than one point with travel = 0"); */
+/*     } */
+/*   } */
+/*   free(ncoast); */
+  
+
+/* }; /\* check_river_data *\/ */
+
+/* /\*------------------------------------------------------------------------------ */
+/*   void sort_basin(int ntiles, river_type* river_data); */
+/*   sorting the basin according to subA */
+/*   The river with larger subA at coast point will get smaller basinid. */
+/*   The basinid will be reorganized. */
+/*   -----------------------------------------------------------------------------*\/ */
+/* void sort_basin(int ntiles, river_type* river_data) */
+/* { */
+
+/*   int    nx, ny, nxp2, nyp2, i, j, n; */
+/*   int    maxbasin, basin_missing, basin; */
+/*   int    *rank, *indx; */
+/*   double subA_missing, *maxsuba; */
+  
+/*   river_type *river_tmp; */
+
+/*   nx   = river_data->nx; */
+/*   ny   = river_data->ny; */
+/*   nxp2 = nx + 2; */
+/*   nyp2 = ny + 2; */
+/*   river_tmp = (river_type *)malloc(ntiles*sizeof(river_type)); */
+
+/*   /\* calculate maximum basin *\/ */
+/*   maxbasin  = -1; */
+/*   basin_missing = river_data->basin_missing; */
+/*   for(n=0; n<ntiles; n++) { */
+/*     for(j=1; j<=ny; j++) for(i=1; i<=nx; i++) {     */
+/*       maxbasin  = max(maxbasin,  river_data[n].basin[j*nxp2+i]); */
+/*     } */
+/*   }   */
+
+/*   /\* copy basinid data to the tmp data *\/ */
+/*   for(n=0; n<ntiles; n++) { */
+/*     river_tmp[n].basin = (int *)malloc(nxp2*nyp2*sizeof(int)); */
+/*     for(i=0; i<nxp2*nyp2; i++) { */
+/*       river_tmp[n].basin[i] = river_data[n].basin[i]; */
+/*     } */
+/*   } */
+
+/*   /\* calculate maximum subA for each basin *\/ */
+/*   subA_missing = river_data->subA_missing; */
+/*   maxsuba = (double *)malloc(maxbasin*sizeof(double)); */
+/*   indx    = (int    *)malloc(maxbasin*sizeof(int   )); */
+/*   rank    = (int    *)malloc(maxbasin*sizeof(int   )); */
+/*   for(n=0; n<maxbasin; n++) { */
+/*     maxsuba[n] = subA_missing; */
+/*     indx[n]    = n; */
+/*     rank[n]    = -1; */
+/*   } */
+/*   for(n=0; n<ntiles; n++) for(j=1; j<=ny; j++) for(i=1; i<=nx; i++) { */
+/*     if(river_data[n].last_point[(j-1)*nx+i-1]) { /\* coast point *\/ */
+/*       basin = river_tmp[n].basin[j*nxp2+i]; */
+/*       if( basin > maxbasin || basin < 1) mpp_error("river_regrid: basin should be between 1 and maxbasin"); */
+/*       maxsuba[basin-1] = river_data[n].subA[j*nxp2+i]; */
+/*     } */
+/*   } */
+
+/*   /\* make sure maxsuba is assigned properly *\/ */
+/*   for(n=0; n<maxbasin; n++) { */
+/*     if(maxsuba[n] == subA_missing) mpp_error("river_regrid: maxsuba is not assigned for some basin"); */
+/*   } */
+  
+/*   /\* sort maxsuba to get the index rank *\/ */
+/*   qsort_index(maxsuba, 0, maxbasin-1, indx); */
+/*   for(n=0; n<maxbasin; n++) rank[indx[n]] = n; */
+/*   for(n=0; n<maxbasin; n++) { */
+/*     if(rank[n] < 0) mpp_error("river_regrid: rank should be no less than 0"); */
+/*   } */
+  
+/*   /\* now assign basin according to the index rank *\/ */
+/*   for(n=0; n<ntiles; n++) for(j=1; j<=ny; j++) for(i=1; i<=nx; i++) { */
+/*     basin = river_tmp[n].basin[j*nxp2+i]; */
+/*     if(basin != basin_missing) { */
+/*       if( basin > maxbasin || basin < 1) mpp_error("river_regrid: basin should be a positive integer no larger than maxbasin"); */
+/*       river_data[n].basin[j*nxp2+i] = maxbasin - rank[basin-1]; */
+/*     } */
+/*   } */
+  
+/*   /\* release the memory *\/ */
+/*   for(n=0; n<ntiles; n++) free(river_tmp[n].basin); */
+/*   free(river_tmp); */
+/*   free(rank); */
+/*   free(maxsuba); */
+
+/* };/\* sort_basin *\/ */
+
+
+
+/* /\*------------------------------------------------------------------------------ */
+/*   void write_river_data() */
+/*   write out river network output data which is on land grid. */
+/*   ----------------------------------------------------------------------------*\/ */
+/* void write_river_data(const char *river_src_file, const char *output_file, river_type* river_data, const char *history, int ntiles) */
+/* { */
+/*   double *subA, *yt, *xt; */
+/*   int    *tocell, *travel, *basin; */
+/*   int id_subA, id_subA_in, id_tocell, id_tocell_in; */
+/*   int id_travel, id_travel_in, id_basin, id_basin_in; */
+/*   int id_cellarea, id_celllength, id_landfrac; */
+/*   int id_cellarea_in, id_celllength_in, id_x, id_y; */
+/*   int id_xaxis, id_yaxis, id_xaxis_in, id_yaxis_in; */
+/*   int fid, fid_in, dimid[2]; */
+/*   int n, i, j, ii, jj, nx, ny, nxp2; */
+  
+/*   fid_in = mpp_open(river_src_file, MPP_READ); */
+/*   id_subA_in = mpp_get_varid(fid_in, subA_name); */
+/*   id_tocell_in = mpp_get_varid(fid_in, tocell_name); */
+/*   id_travel_in = mpp_get_varid(fid_in, travel_name); */
+/*   id_basin_in = mpp_get_varid(fid_in, basin_name); */
+/*   id_cellarea_in = mpp_get_varid(fid_in, cellarea_name); */
+/*   id_celllength_in = mpp_get_varid(fid_in, celllength_name); */
+/*   id_xaxis_in = mpp_get_varid(fid_in, xaxis_name); */
+/*   id_yaxis_in = mpp_get_varid(fid_in, yaxis_name); */
+/*   for(n=0; n<ntiles; n++) { */
+/*     if(ntiles>1) */
+/*       sprintf(river_data[n].filename, "%s.tile%d.nc", output_file, n+1); */
+/*     else */
+/*       sprintf(river_data[n].filename, "%s.nc", output_file); */
+
+/*     nx = river_data[n].nx; */
+/*     ny = river_data[n].ny; */
+/*     nxp2 = nx + 2; */
+/*     fid = mpp_open(river_data[n].filename, MPP_WRITE); */
+/*     mpp_def_global_att(fid, "version", version);   */
+/*     mpp_def_global_att(fid, "code_version", tagname); */
+/*     mpp_def_global_att(fid, "history", history); */
+/*     dimid[1] = mpp_def_dim(fid, gridx_name, nx); */
+/*     dimid[0] = mpp_def_dim(fid, gridy_name, ny); */
+/*     id_xaxis = mpp_def_var(fid, gridx_name, MPP_DOUBLE, 1, &(dimid[1]), 0); */
+/*     id_yaxis = mpp_def_var(fid, gridy_name, MPP_DOUBLE, 1, dimid, 0); */
+/*     mpp_copy_var_att(fid_in, id_xaxis_in, fid, id_xaxis); */
+/*     mpp_copy_var_att(fid_in, id_yaxis_in, fid, id_yaxis); */
+/*     id_subA = mpp_def_var(fid, subA_name, MPP_DOUBLE, 2, dimid , 0); */
+/*     mpp_copy_var_att(fid_in, id_subA_in, fid, id_subA); */
+/*     id_tocell = mpp_def_var(fid, tocell_name, MPP_INT, 2, dimid, 0); */
+/*     mpp_copy_var_att(fid_in, id_tocell_in, fid, id_tocell); */
+/*     id_travel = mpp_def_var(fid, travel_name, MPP_INT, 2, dimid , 0); */
+/*     mpp_copy_var_att(fid_in, id_travel_in, fid, id_travel); */
+/*     id_basin = mpp_def_var(fid, basin_name, MPP_INT, 2, dimid , 0); */
+/*     mpp_copy_var_att(fid_in, id_basin_in, fid, id_basin); */
+/*     id_cellarea = mpp_def_var(fid, cellarea_name, MPP_DOUBLE, 2, dimid , 0); */
+/*     mpp_copy_var_att(fid_in, id_cellarea_in, fid, id_cellarea); */
+/*     id_celllength = mpp_def_var(fid, celllength_name, MPP_DOUBLE, 2, dimid , 0); */
+/*     mpp_copy_var_att(fid_in, id_celllength_in, fid, id_celllength); */
+/*     id_landfrac = mpp_def_var(fid, landfrac_name, MPP_DOUBLE, 2, dimid, 2, */
+/* 			      "long_name", "land fraction", "units", "none"); */
+/*     id_x        = mpp_def_var(fid, x_name, MPP_DOUBLE, 2, dimid, 2, */
+/* 			      "long_name", "Geographic longitude", "units", "degree_east"); */
+/*     id_y        = mpp_def_var(fid, y_name, MPP_DOUBLE, 2, dimid, 2, */
+/* 			      "long_name", "Geographic latitude", "units", "degree_north");     */
+/*     mpp_end_def(fid); */
+/*     xt = (double *)malloc(nx*sizeof(double)); */
+/*     yt = (double *)malloc(ny*sizeof(double)); */
+/*     /\* */
+/*        for lat-lon grid, actual lon, lat will be written out, */
+/*        for cubic grid, index will be written out */
+/*     *\/ */
+/*     if(ntiles == 1) { */
+/*       for(i=0; i<nx; i++) xt[i] = river_data[n].xt[nxp2+i+1]; */
+/*       for(j=0; j<ny; j++) yt[j] = river_data[n].yt[(j+1)*nxp2+1]; */
+
+/*     } */
+/*     else { */
+/*       for(i=0; i<nx; i++) xt[i] = i+1; */
+/*       for(j=0; j<ny; j++) yt[j] = j+1; */
+/*     } */
+/*     mpp_put_var_value(fid, id_xaxis, xt); */
+/*     mpp_put_var_value(fid, id_yaxis, yt); */
+/*     free(xt); */
+/*     free(yt); */
+
+/*     /\* all the fields is on data domain, so need to copy to compute domain *\/ */
+/*     subA = (double *)malloc(nx*ny*sizeof(double)); */
+/*     travel = (int *)malloc(nx*ny*sizeof(int)); */
+/*     basin  = (int *)malloc(nx*ny*sizeof(int)); */
+/*     tocell = (int *)malloc(nx*ny*sizeof(int)); */
+/*     xt = (double *)malloc(nx*ny*sizeof(double)); */
+/*     yt = (double *)malloc(nx*ny*sizeof(double)); */
+/*     for(j=0; j<ny; j++) for(i=0; i<nx; i++) { */
+/*       ii = i + 1; */
+/*       jj = j + 1; */
+/*       subA[j*nx+i] = river_data[n].subA[jj*nxp2+ii]; */
+/*       tocell[j*nx+i] = river_data[n].tocell[jj*nxp2+ii]; */
+/*       travel[j*nx+i] = river_data[n].travel[jj*nxp2+ii]; */
+/*       basin [j*nx+i] = river_data[n].basin [jj*nxp2+ii]; */
+/*       xt    [j*nx+i] = river_data[n].xt    [jj*nxp2+ii]; */
+/*       yt    [j*nx+i] = river_data[n].yt    [jj*nxp2+ii]; */
+/*     } */
+    
+/*     mpp_put_var_value(fid, id_subA, subA); */
+/*     mpp_put_var_value(fid, id_tocell, tocell); */
+/*     mpp_put_var_value(fid, id_travel, travel); */
+/*     mpp_put_var_value(fid, id_basin, basin); */
+/*     mpp_put_var_value(fid, id_x, xt); */
+/*     mpp_put_var_value(fid, id_y, yt); */
+/*     mpp_put_var_value(fid, id_cellarea, river_data[n].cellarea); */
+/*     mpp_put_var_value(fid, id_celllength, river_data[n].celllength); */
+/*     mpp_put_var_value(fid, id_landfrac, river_data[n].landfrac); */
+/*     mpp_close(fid); */
+/*     free(subA); */
+/*     free(tocell); */
+/*     free(basin); */
+/*     free(travel); */
+/*     free(xt); */
+/*     free(yt); */
+/*   } */
+/*   mpp_close(fid_in); */
+
+/* };/\* write_river_data *\/ */
+
+
+/* /\*------------------------------------------------------------------------------ */
+/*   double distance(double lon1, double lat1, double lon2, double lat2) */
+/*   find the distance of any two grid. */
+/*   ----------------------------------------------------------------------------*\/ */
+/* double distance(double lon1, double lat1, double lon2, double lat2) */
+/* { */
+/*   double s1, s2, dx; */
+/*   double dist; */
+    
+/*   dx = lon2 - lon1; */
+/*   if(dx > 180.) dx = dx - 360.; */
+/*   if(dx < -180.) dx = dx + 360.; */
+
+/*   if(lon1 == lon2) */
+/*     dist = fabs(lat2 - lat1) * D2R; */
+/*   else if(lat1 == lat2)  */
+/*     dist = fabs(dx) * D2R * cos(lat1*D2R); */
+/*   else {   /\* diagonal distance *\/ */
+/*     s1 =  fabs(dx)  * D2R * cos(lat1*D2R); */
+/*     s2 =  fabs(lat2 - lat1) * D2R; */
+/*     dist = sqrt(s1*s1+s2*s2); */
+/*   } */
+/*   dist *= RADIUS; */
+
+/*   return dist; */
+/* }     */
+
+/* /\*------------------------------------------------------------------------------ */
+/*   void qsort_index(double array[], int start, int end, int rank[]) */
+/*   sort array in increasing order and get the rank of each member in the original array */
+/*   the array size of array and rank will be size.  */
+  
+/*   ----------------------------------------------------------------------------*\/ */
+/* #define swap(a,b,t) ((t)=(a),(a)=(b),(b)=(t)) */
+/* void qsort_index(double array[], int start, int end, int rank[]) */
+/* { */
+/*    double pivot; */
+/*    int tmp_int; */
+/*    double tmp_double; */
+
+/*    if (end > start) { */
+/*       int l = start + 1; */
+/*       int r = end; */
+/*       int pivot_index = (start+(end-start)/2); */
+/*       swap(array[start], array[pivot_index], tmp_double); /\*** choose arbitrary pivot ***\/ */
+/*       swap(rank[start],  rank[pivot_index],  tmp_int); */
+/*       pivot = array[start]; */
+/*       while(l < r) { */
+/*          if (array[l] <= pivot) { */
+/*             l++; */
+/*          } else { */
+/* 	   while(l < r && array[r] >= pivot) /\*** skip superfluous swaps ***\/ */
+/* 	     { */
+/* 	       --r; */
+/* 	     } */
+/*             swap(array[l], array[r], tmp_double); */
+/* 	    swap(rank[l],  rank[r],  tmp_int); */
+/*          } */
+/*       } */
+/*       if(l != end || array[end] > pivot ) { */
+/* 	l--; */
+/*         swap(array[start], array[l], tmp_double); */
+/*         swap(rank[start],  rank[l],  tmp_int); */
+/*         qsort_index(array, start, l, rank); */
+/*         qsort_index(array, r, end, rank); */
+/*       } */
+/*       else { /\* the first element is the largest one *\/ */
+/* 	swap(array[start], array[l], tmp_double); */
+/*         swap(rank[start],  rank[l],  tmp_int); */
+/*         qsort_index(array, start, l-1, rank); */
+/*       } */
+/*    } */
+/* } */
+ 
+
+
diff --git a/gridspec_tools_20080702/tools/shared/Makefile.am b/gridspec_tools_20080702/tools/shared/Makefile.am
new file mode 100644
index 0000000..3c501d3
--- /dev/null
+++ b/gridspec_tools_20080702/tools/shared/Makefile.am
@@ -0,0 +1,39 @@
+## This is an automake file, part of Unidata's NetCDF CF Library
+## package. Copyright 2009, see the COPYRIGHT file for more
+## information.
+
+# This automake file is in charge of building the gridspec
+# tools/shared convenience library.
+
+# $Id: Makefile.am,v 1.8 2009/04/08 15:57:16 ed Exp $
+
+noinst_LTLIBRARIES = libtoolsshared.la 
+libtoolsshared_la_SOURCES = mpp.c mpp_domain.c mpp_domain.h mpp.h	\
+mpp_io.c mpp_io.h tool_util.c tool_util.h create_lonlat_grid.c		\
+create_gnomonic_cubic_grid.c create_grid_from_file.c			\
+create_conformal_cubic_grid.c fregrid_util.c conserve_interp.c		\
+bilinear_interp.c topog.c get_contact.c create_vgrid.c			\
+transfer_to_mosaic.c
+
+AM_CPPFLAGS = -I../shared -I../../shared/mosaic -I../make_hgrid	\
+-I../fregrid -I../make_coupler_mosaic -I../make_topog		\
+-I../make_solo_mosaic -I../make_vgrid -I../river_regrid		\
+-I../transfer_to_mosaic_grid
+
+AM_LDFLAGS =
+
+# If the user specified a root location for NETCDF, use it.
+if USE_NETCDF_DIR
+AM_CPPFLAGS += -I at NETCDFDIR@/include
+AM_FCFLAGS = -I at NETCDFDIR@/include
+AM_LDFLAGS += -L at NETCDFDIR@/lib
+endif
+
+# If the user specified a root location for HDF5, use it.
+if USE_HDF5_DIR
+AM_CPPFLAGS += -I at HDF5DIR@/include
+AM_LDFLAGS += -L at HDF5DIR@/lib
+endif
+
+
+
diff --git a/gridspec_tools_20080702/tools/shared/Makefile.in b/gridspec_tools_20080702/tools/shared/Makefile.in
new file mode 100644
index 0000000..ccc6a6d
--- /dev/null
+++ b/gridspec_tools_20080702/tools/shared/Makefile.in
@@ -0,0 +1,504 @@
+# Makefile.in generated by automake 1.10.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+ at SET_MAKE@
+
+# This automake file is in charge of building the gridspec
+# tools/shared convenience library.
+
+# $Id: Makefile.am,v 1.8 2009/04/08 15:57:16 ed Exp $
+
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+
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+ at USE_NETCDF_DIR_TRUE@am__append_1 = -I at NETCDFDIR@/include
+ at USE_NETCDF_DIR_TRUE@am__append_2 = -L at NETCDFDIR@/lib
+
+# If the user specified a root location for HDF5, use it.
+ at USE_HDF5_DIR_TRUE@am__append_3 = -I at HDF5DIR@/include
+ at USE_HDF5_DIR_TRUE@am__append_4 = -L at HDF5DIR@/lib
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+	create_conformal_cubic_grid.lo fregrid_util.lo \
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+mpp_io.c mpp_io.h tool_util.c tool_util.h create_lonlat_grid.c		\
+create_gnomonic_cubic_grid.c create_grid_from_file.c			\
+create_conformal_cubic_grid.c fregrid_util.c conserve_interp.c		\
+bilinear_interp.c topog.c get_contact.c create_vgrid.c			\
+transfer_to_mosaic.c
+
+AM_CPPFLAGS = -I../shared -I../../shared/mosaic -I../make_hgrid \
+	-I../fregrid -I../make_coupler_mosaic -I../make_topog \
+	-I../make_solo_mosaic -I../make_vgrid -I../river_regrid \
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+	  *config.status*) \
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diff --git a/gridspec_tools_20080702/tools/shared/bilinear_interp.c b/gridspec_tools_20080702/tools/shared/bilinear_interp.c
new file mode 100644
index 0000000..337b2da
--- /dev/null
+++ b/gridspec_tools_20080702/tools/shared/bilinear_interp.c
@@ -0,0 +1,1131 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include "globals.h"
+#include "mosaic_util.h"
+#include "bilinear_interp.h"
+#include "mpp_io.h"
+
+#define min(a,b) (a<b ? a:b)
+#define max(a,b) (a>b ? a:b)
+#define sign(a,b)(b<0 ? -fabs(a):fabs(a))
+
+
+int max_weight_index( double *var, int nvar);
+double normalize_great_circle_distance(const double *v1, const double *v2);
+/*double spherical_angle(double *v1, double *v2, double *v3);*/
+double dist2side(const double *v1, const double *v2, const double *point);
+void redu2x(const double *varfin, const double *yfin, int nxfin, int nyfin, double *varcrs,
+	    int nxcrs, int nycrs, int nz, int has_missing, double missvalue);
+void do_latlon_coarsening(const double *var_latlon, const double *ylat, int nlon, int nlat, int nz,    
+			  double *var_latlon_crs, int finer_steps, int has_missing, double missvalue);
+void do_c2l_interp(const Interp_config *interp, int nx_in, int ny_in, int nz, const Field_config *field_in,
+		   int nx_out, int ny_out, double *data_out, int has_missing, double missing, int fill_missing );
+void sort_index(int ntiles, int *index, double *shortest);
+int get_index(const Grid_config *grid_in, const Grid_config *grid_out, int *index,
+	       int i_in, int j_in, int l_in, int i_out, int j_out);
+/*******************************************************************************
+  void setup_bilinear_interp( )
+    !------------------------------------------------------------------!
+    ! calculate weights for bilinear interpolation                     !
+    ! from cubed sphere to latlon grid                                 !
+    !                                                                  !
+    ! input:                                                           !
+    ! sph_corner      cubed sphere corner location in spherical coor   !
+    ! npx, npy        number of corners per tile                       !
+    ! ntiles          number of tiles                                  !
+    ! xlon, ylat      latlon grid coor                                 !
+    ! nlon, nlat      latlon grid dimension                            !
+    !                                                                  !
+    ! output:                                                          !
+    ! c2l_index       cubed sphere index for latlon interpolation      !
+    ! c2l_weight      weights for cubsph_to_latlon interpolation       !
+    ! elon_cubsph     lon unit vector for cubed sphere center          !
+    ! elat_cubsph     lat unit vector for cubed sphere center          !
+    ! elon_latlon     lon unit vector for latlon grid                  !
+    ! elat_latlon     lat unit vector for latlon grid                  !
+    !------------------------------------------------------------------!
+*******************************************************************************/
+void setup_bilinear_interp(int ntiles_in, const Grid_config *grid_in, int ntiles_out, const Grid_config *grid_out, 
+                      Interp_config *interp, unsigned int opcode)
+{
+  const int max_iter = 10;
+  double abs_center, dcub, dlon, dlat, coslat, distance;
+  double dist1, dist2, dist3, dist4, sum;
+  double *shortest;
+  int    i, j, n, l, ic, jc, lc, icc, jcc, i_min, i_max, j_min, j_max, iter;
+  int    n0, n1, n2, n3, n4, m0, m1;
+  int    nx_in, ny_in, nx_out, ny_out, nxd, nyd;
+  double v0[3], v1[3], v2[3], v3[3], v4[3];
+  int    all_done;
+  int    *found, *index;
+  
+  /* ntiles_in must be six and ntiles_out must be one */
+  if(ntiles_in != 6) mpp_error("Error from bilinear_interp: source mosaic should be cubic mosaic "
+			       "and have six tiles when using bilinear option");
+  if(ntiles_out != 1) mpp_error("Error from bilinear_interp: destination mosaic should be "
+				"one tile lat-lon grid when using bilinear option"); 
+  /*-----------------------------------------------------------------!
+    ! cubed sphere: cartesian coordinates of cell corners,             !
+    !               cell lenghts between corners,                      !
+    !               cartesian and spherical coordinates of cell centers! 
+    !               calculate latlon unit vector                       !
+    !-----------------------------------------------------------------*/
+
+  /* calculation is done on the fine grid */
+  nx_out   = grid_out->nx_fine;
+  ny_out   = grid_out->ny_fine;
+  nx_in    = grid_in->nx;       /* the cubic grid has same resolution on each face */
+  ny_in    = grid_in->ny;
+  nxd      = nx_in + 2;
+  nyd      = ny_in + 2;
+
+  interp->index  = (int    *)malloc(3*nx_out*ny_out*sizeof(int   ));
+  interp->weight = (double *)malloc(4*nx_out*ny_out*sizeof(double));
+
+  if( (opcode & READ) && interp->file_exist ) { /* reading from file */
+    int nx2, ny2, fid, vid;
+
+    /* check the size of the grid matching the size in remapping file */
+    printf("NOTE: reading index and weight for bilinear interpolation from file.\n");
+    fid = mpp_open(interp->remap_file, MPP_READ);
+    nx2 = mpp_get_dimlen(fid, "nlon");
+    ny2 = mpp_get_dimlen(fid, "nlat");
+    printf("grid size is nx=%d, ny=%d, remap file size is nx=%d, ny=%d.\n", nx_out, ny_out, nx2, ny2);
+    if(nx2 != nx_out || ny2 != ny_out ) mpp_error("bilinear_interp: size mismatch between grid size and remap file size");
+    vid = mpp_get_varid(fid, "index");
+    mpp_get_var_value(fid, vid, interp->index);
+    vid = mpp_get_varid(fid, "weight");
+    mpp_get_var_value(fid, vid, interp->weight);
+    mpp_close(fid);
+    return;
+  }
+  
+  /*------------------------------------------------------------------
+    find lower left corner on cubed sphere for given latlon location 
+    ------------------------------------------------------------------*/
+  found    = (int *)malloc(nx_out*ny_out*sizeof(int));
+  index    = (int *)malloc(ntiles_in*3*sizeof(int));
+  shortest = (double *)malloc(ntiles_in*sizeof(double));
+  for(i=0; i<nx_out*ny_out; i++) found[i] = 0;
+    
+  dlon=(M_PI+M_PI)/nx_out;
+  dlat=M_PI/(ny_out-1);
+
+  for(iter=1; iter<=max_iter; iter++) {
+    for(l=0; l<ntiles_in; l++) {
+      for(jc=1; jc<=ny_in; jc++) for(ic=1; ic<=nx_in; ic++) {
+	/*------------------------------------------------------
+	  guess latlon indexes for given cubed sphere cell     
+	  ------------------------------------------------------*/
+	n1 = jc*nxd+ic;
+	n2 = (jc+1)*nxd+ic+1;
+	v1[0] = grid_in[l].xt[n1];
+	v1[1] = grid_in[l].yt[n1];
+	v1[2] = grid_in[l].zt[n1];
+	v2[0] = grid_in[l].xt[n2];
+	v2[1] = grid_in[l].yt[n2];
+	v2[2] = grid_in[l].zt[n2];
+	dcub=iter*normalize_great_circle_distance(v1, v2);
+	j_min=max(   1,  floor((grid_in[l].latt[n1]-dcub+0.5*M_PI)/dlat)-iter+1);
+	j_max=min(ny_out,ceil((grid_in[l].latt[n1]+dcub+0.5*M_PI)/dlat)+iter-1);
+	if (j_min==1 || j_max==ny_out) {
+	  i_min=1;
+	  i_max=nx_out;
+	}
+        else {
+	  i_min=max(   1,  floor((grid_in[l].lont[n1]-dcub)/dlon-iter+1));
+	  i_max=min(nx_out,ceil((grid_in[l].lont[n1]+dcub)/dlon+iter-1));
+	}
+	for(j=j_min-1; j<j_max; j++) for(i=i_min-1; i<i_max; i++) {
+	  n0 = j*nx_out + i;
+	  /*--------------------------------------------------------------------
+            for latlon cell find nearest cubed sphere cell 
+            ------------------------------------------------------------------*/
+	  if (!found[n0]) {
+	    shortest[l]=M_PI+M_PI;
+	    for(jcc=jc; jcc<=min(ny_in, jc+1); jcc++) for(icc=ic; icc<=min(nx_in, ic+1); icc++) {
+	      n1 = jcc*nxd + icc;
+	      n2 = j*nx_out + i;
+	      v1[0] = grid_in[l].xt[n1];
+	      v1[1] = grid_in[l].yt[n1];
+	      v1[2] = grid_in[l].zt[n1];
+	      v2[0] = grid_out->xt[n2];
+	      v2[1] = grid_out->yt[n2];
+	      v2[2] = grid_out->zt[n2];	      
+	      distance=normalize_great_circle_distance(v1, v2);
+	      if (distance < shortest[l]) {
+		shortest[l]=distance;
+		index[3*l]  =icc;
+		index[3*l+1]=jcc;
+		index[3*l+2]=l;
+	      }
+	    }
+	    /*------------------------------------------------
+              determine lower left corner                    
+              ------------------------------------------------*/
+	    found[n0] = get_closest_index(&(grid_in[l]), grid_out, &(interp->index[3*(j*nx_out+i)]), index[3*l],
+			      index[3*l+1], index[3*l+2], i, j);
+	  }
+	}
+      }
+    }
+    if (iter>1) {
+      all_done = 1;
+      for(i=0; i<nx_out*ny_out; i++) {
+	if( !found[i]) {
+	  all_done = 0;
+	  break;
+	}
+      };
+      if (all_done) break;
+    }
+  }
+  
+  /*------------------------------------------------------------------
+    double check if lower left corner was found                      
+    calculate weights for interpolation                              
+    ------------------------------------------------------------------*/
+  for(j=0; j<ny_out; j++) for(i=0; i<nx_out; i++) {
+    n0 = j*nx_out + i;
+    m0 = 3*n0;
+    m1 = 4*n0;
+    if (!found[n0]) {
+      printf("**************************************************************\n");
+      printf("WARNING: didn't find lower left corner for (ilon,jlat) = (%d,%d)\n", i,j);
+      printf("will perform expensive global sweep\n");
+      printf("**************************************************************\n");
+      /*---------------------------------------------------------
+	for latlon cell find nearby cubed sphere cell           
+	---------------------------------------------------------*/
+      for(l=0; l<3*ntiles_in; l++) index[l] = 0;	
+      for(l=0; l<ntiles_in; l++) shortest[l] = M_PI + M_PI;
+      for(l=0; l<ntiles_in; l++) {
+	for(jc=0; jc<ny_in; j++) for(ic=0; ic<nx_in; ic++) {
+	  n1 = jc*nxd+ic;
+	  v1[0] = grid_in[l].xt[n1];
+	  v1[1] = grid_in[l].yt[n1];
+	  v1[2] = grid_in[l].zt[n1];
+	  v0[0] = grid_out[l].xt[n0];
+	  v0[1] = grid_out[l].yt[n0];
+	  v0[2] = grid_out[l].zt[n0];	    
+	  distance=normalize_great_circle_distance(v1, v2);
+	  if (distance<shortest[l]) {
+	    shortest[l]=distance;
+	    index[3*l  ]=ic;
+	    index[3*l+1]=jc;
+	    index[3*l+2]=l;
+	  }
+	}
+      }
+
+      /*---------------------------------------------------------
+	determine lower left corner                             
+	---------------------------------------------------------*/
+      sort_index(ntiles_in, index, shortest);
+      found[n0]=0;
+      for(l=0; l<ntiles_in; l++) {
+	if (!found[n0]) {
+	  found[n0]=get_index(&(grid_in[l]), grid_out, &(interp->index[3*(j*nx_out+i)]), index[3*l],
+			      index[3*l+1], index[3*l+2], i, j);
+	  if (found[n0]) break;
+	}
+      }
+      if (! found[n0] ) mpp_error("error from bilinear_interp: couldn't find lower left corner");
+    }
+    /*------------------------------------------------------------
+      calculate shortest distance to each side of rectangle      
+      formed by cubed sphere cell centers                        
+      special corner treatment                                   
+      ------------------------------------------------------------*/
+    ic=interp->index[m0];
+    jc=interp->index[m0+1];
+    l =interp->index[m0+2];
+    if (ic==nx_in && jc==ny_in) {
+      /*------------------------------------------------------------
+	calculate weights for bilinear interpolation near corner   
+	------------------------------------------------------------*/
+      n1 = jc*nxd+ic;
+      n2 = jc*nxd+ic+1;
+      n3 = (jc+1)*nxd+ic;
+      v1[0] = grid_in[l].xt[n1];
+      v1[1] = grid_in[l].yt[n1];
+      v1[2] = grid_in[l].zt[n1];
+      v2[0] = grid_in[l].xt[n2];
+      v2[1] = grid_in[l].yt[n2];
+      v2[2] = grid_in[l].zt[n2];
+      v3[0] = grid_in[l].xt[n3];
+      v3[1] = grid_in[l].yt[n3];
+      v3[2] = grid_in[l].zt[n3];
+      v0[0] = grid_out->xt[n0];
+      v0[1] = grid_out->yt[n0];
+      v0[2] = grid_out->zt[n0];	  
+      dist1=dist2side(v2, v3, v0);
+      dist2=dist2side(v2, v1, v0);
+      dist3=dist2side(v1, v3, v0);
+      interp->weight[m1]  =dist1;      /* ic,   jc    weight */
+      interp->weight[m1+1]=dist2;      /* ic,   jc+1  weight */
+      interp->weight[m1+2]=0.;         /* ic+1, jc+1  weight */
+      interp->weight[m1+3]=dist3;      /* ic+1, jc    weight */
+             
+      sum=interp->weight[m1]+interp->weight[m1+1]+interp->weight[m1+3];
+      interp->weight[m1]  /=sum;
+      interp->weight[m1+1]/=sum;
+      interp->weight[m1+3]/=sum;
+    }
+    else if (ic==0 && jc==ny_in) {
+      /*------------------------------------------------------------
+	calculate weights for bilinear interpolation near corner   
+	------------------------------------------------------------*/
+	
+      n1 = jc*nxd+ic;
+      n2 = jc*nxd+ic+1;
+      n3 = (jc+1)*nxd+ic+1;
+      v1[0] = grid_in[l].xt[n1];
+      v1[1] = grid_in[l].yt[n1];
+      v1[2] = grid_in[l].zt[n1];
+      v2[0] = grid_in[l].xt[n2];
+      v2[1] = grid_in[l].yt[n2];
+      v2[2] = grid_in[l].zt[n2];
+      v3[0] = grid_in[l].xt[n3];
+      v3[1] = grid_in[l].yt[n3];
+      v3[2] = grid_in[l].zt[n3];
+      v0[0] = grid_out->xt[n0];
+      v0[1] = grid_out->yt[n0];
+      v0[2] = grid_out->zt[n0];	  
+      dist1=dist2side(v3, v2, v0);
+      dist2=dist2side(v2, v1, v0);
+      dist3=dist2side(v3, v1, v0);             
+      interp->weight[m1]  =dist1;      /* ic,   jc    weight */
+      interp->weight[m1+1]=0.;         /* ic,   jc+1  weight */
+      interp->weight[m1+2]=dist2;      /* ic+1, jc+1  weight */
+      interp->weight[m1+3]=dist3;      /* ic+1, jc    weight */
+             
+      sum=interp->weight[m1]+interp->weight[m1+2]+interp->weight[m1+3];
+      interp->weight[m1]  /=sum;
+      interp->weight[m1+2]/=sum;
+      interp->weight[m1+3]/=sum;
+    }
+    else if (jc==0 && ic==nx_in) {
+      /*------------------------------------------------------------
+	calculate weights for bilinear interpolation near corner   
+	------------------------------------------------------------*/
+      n1 = jc*nxd+ic;
+      n2 = (jc+1)*nxd+ic;
+      n3 = (jc+1)*nxd+ic+1;
+      v1[0] = grid_in[l].xt[n1];
+      v1[1] = grid_in[l].yt[n1];
+      v1[2] = grid_in[l].zt[n1];
+      v2[0] = grid_in[l].xt[n2];
+      v2[1] = grid_in[l].yt[n2];
+      v2[2] = grid_in[l].zt[n2];
+      v3[0] = grid_in[l].xt[n3];
+      v3[1] = grid_in[l].yt[n3];
+      v3[2] = grid_in[l].zt[n3];
+      v0[0] = grid_out->xt[n0];
+      v0[1] = grid_out->yt[n0];
+      v0[2] = grid_out->zt[n0];	  
+      dist1=dist2side(v2, v3, v0);
+      dist2=dist2side(v1, v3, v0);
+      dist3=dist2side(v1, v2, v0);             	     
+             
+      interp->weight[m1]  =dist1;      /* ic,   jc    weight */
+      interp->weight[m1+1]=dist2;      /* ic,   jc+1  weight */
+      interp->weight[m1+2]=dist3;      /* ic+1, jc+1  weight */
+      interp->weight[m1+3]=0.;         /* ic+1, jc    weight */
+             
+      sum=interp->weight[m1]+interp->weight[m1+1]+interp->weight[m1+2];
+      interp->weight[m1]  /=sum;
+      interp->weight[m1+1]/=sum;
+      interp->weight[m1+2]/=sum;
+    }
+    else {
+      /*------------------------------------------------------------
+	calculate weights for bilinear interpolation if no corner  
+	------------------------------------------------------------*/
+      n1 = jc*nxd+ic;
+      n2 = jc*nxd+ic+1;
+      n3 = (jc+1)*nxd+ic;
+      n4 = (jc+1)*nxd+ic+1;
+      v1[0] = grid_in[l].xt[n1];
+      v1[1] = grid_in[l].yt[n1];
+      v1[2] = grid_in[l].zt[n1];
+      v2[0] = grid_in[l].xt[n2];
+      v2[1] = grid_in[l].yt[n2];
+      v2[2] = grid_in[l].zt[n2];
+      v3[0] = grid_in[l].xt[n3];
+      v3[1] = grid_in[l].yt[n3];
+      v3[2] = grid_in[l].zt[n3];
+      v4[0] = grid_in[l].xt[n4];
+      v4[1] = grid_in[l].yt[n4];
+      v4[2] = grid_in[l].zt[n4];	
+      v0[0] = grid_out->xt[n0];
+      v0[1] = grid_out->yt[n0];
+      v0[2] = grid_out->zt[n0];	  
+      dist1=dist2side(v1, v3, v0);
+      dist2=dist2side(v3, v4, v0);
+      dist3=dist2side(v4, v2, v0);
+      dist4=dist2side(v2, v1, v0);
+	
+      interp->weight[m1]  =dist2*dist3;      /* ic,   jc    weight */
+      interp->weight[m1+1]=dist3*dist4;      /* ic,   jc+1  weight */
+      interp->weight[m1+2]=dist4*dist1;      /* ic+1, jc+1  weight */
+      interp->weight[m1+3]=dist1*dist2;      /* ic+1, jc    weight */
+             
+      sum=interp->weight[m1]+interp->weight[m1+1]+interp->weight[m1+2]+interp->weight[m1+3];
+      interp->weight[m1]  /=sum;
+      interp->weight[m1+1]/=sum;
+      interp->weight[m1+2]/=sum;
+      interp->weight[m1+3]/=sum;
+    }
+  }
+
+  /* write out weight information if needed */
+  if( opcode & WRITE ) {
+    int fid, dim_three, dim_four, dim_nlon, dim_nlat, dims[3];
+    int fld_index, fld_weight;
+    
+    fid = mpp_open( interp->remap_file, MPP_WRITE);
+    dim_nlon = mpp_def_dim(fid, "nlon", nx_out);
+    dim_nlat = mpp_def_dim(fid, "nlat", ny_out);
+    dim_three = mpp_def_dim(fid, "three", 3);
+    dim_four  = mpp_def_dim(fid, "four", 4);
+    
+    dims[0] = dim_three; dims[1] = dim_nlat; dims[2] = dim_nlon;
+    fld_index = mpp_def_var(fid, "index", NC_INT, 3, dims, 0);
+    dims[0] = dim_four; dims[1] = dim_nlat; dims[2] = dim_nlon;
+    fld_weight = mpp_def_var(fid, "weight", NC_DOUBLE, 3, dims, 0);
+    mpp_end_def(fid);
+    mpp_put_var_value(fid, fld_index, interp->index);
+    mpp_put_var_value(fid, fld_weight, interp->weight);
+    mpp_close(fid);
+  }
+
+  /* release the memory */
+  free(found);
+  free(shortest);
+  free(index);
+  
+  printf("\n done calculating interp_index and interp_weight\n");
+}; /* setup_bilinear_interp */
+
+/*----------------------------------------------------------------------------
+   void do_scalar_bilinear_interp(Mosaic_config *input, Mosaic_config *output, int varid )
+   interpolate scalar data to latlon,                               !
+   --------------------------------------------------------------------------*/
+void do_scalar_bilinear_interp(const Interp_config *interp, int vid, int ntiles_in, const Grid_config *grid_in, const Grid_config *grid_out,
+			  const Field_config *field_in, Field_config *field_out, int finer_step, int fill_missing)
+{
+  int    nx_in, ny_in, nx_out, ny_out, nz;
+  int    n, ts, tn, tw, te;
+  int    has_missing;
+  double missing;
+  double *data_fine;
+  
+  /*------------------------------------------------------------------
+    determine target grid resolution                                 
+    ------------------------------------------------------------------*/
+  nx_out     = grid_out->nx_fine;
+  ny_out     = grid_out->ny_fine;
+  nx_in       = grid_in->nx;
+  ny_in       = grid_in->ny;
+  nz          = field_in[0].var[vid].nz;
+  missing     = field_in[0].var[vid].missing;
+  has_missing = field_in[0].var[vid].has_missing;
+
+  data_fine = (double *)malloc(nx_out*ny_out*nz*sizeof(double));
+
+  do_c2l_interp(interp, nx_in, ny_in, nz, field_in, nx_out, ny_out, data_fine, has_missing, missing, fill_missing);
+  do_latlon_coarsening(data_fine, grid_out->latt1D_fine, nx_out, ny_out, nz, field_out->data,
+		       finer_step, has_missing, missing);
+  free(data_fine);
+  
+}; /* do_c2l_scalar_interp */
+
+
+   
+/*----------------------------------------------------------------------------
+   void do_vector_bilinear_interp()
+   interpolate vector data to latlon,                               !
+   --------------------------------------------------------------------------*/
+void do_vector_bilinear_interp(Interp_config *interp, int vid, int ntiles_in, const Grid_config *grid_in, int ntiles_out, 
+			  const Grid_config *grid_out, const Field_config *u_in,  const Field_config *v_in,
+			  Field_config *u_out, Field_config *v_out, int finer_step, int fill_missing)
+{
+  Field_config *var_cubsph;
+  int          nx_in, ny_in, nx_out, ny_out, nxd, nyd, nz, has_missing;
+  int          i, j, k, n, n1, n2, ts, tn, tw, te;
+  double       missing;
+  double       *x_latlon, *y_latlon, *z_latlon, *var_latlon;
+  
+  nx_out      = grid_out->nx_fine;
+  ny_out      = grid_out->ny_fine;
+  nx_in       = grid_in->nx;
+  ny_in       = grid_in->ny;
+  nxd         = nx_in + 2;
+  nyd         = ny_in + 2;
+  nz          = u_in[0].var[vid].nz;
+  missing     = u_in[0].var[vid].missing;
+  has_missing = u_in[0].var[vid].has_missing;
+
+
+  x_latlon   = (double *)malloc(nx_out*ny_out*nz*sizeof(double));
+  y_latlon   = (double *)malloc(nx_out*ny_out*nz*sizeof(double));
+  z_latlon   = (double *)malloc(nx_out*ny_out*nz*sizeof(double));
+  var_latlon = (double *)malloc(nx_out*ny_out*nz*sizeof(double));
+  var_cubsph = (Field_config *)malloc(ntiles_in*sizeof(Field_config));
+  for(n=0; n<ntiles_in; n++) var_cubsph[n].data = (double *)malloc((nx_in+2)*(ny_in+2)*nz*sizeof(double));
+
+  for(n=0; n<ntiles_in; n++) {
+    for(k=0; k<nz; k++) for(j=0; j<nyd; j++) for(i=0; i<nxd; i++) {
+      n1 = k*nxd*nyd + j*nxd + i;
+      n2 = j*nxd + i;
+      var_cubsph[n].data[n1] = u_in[n].data[n1]*grid_in[n].vlon_t[3*n2]+v_in[n].data[n1]*grid_in[n].vlat_t[3*n2];
+    }
+  }
+
+  do_c2l_interp(interp, nx_in, ny_in, nz, var_cubsph, nx_out, ny_out, x_latlon, has_missing, missing, fill_missing);  
+
+  for(n=0; n<ntiles_in; n++) {
+    for(k=0; k<nz; k++) for(j=0; j<nyd; j++) for(i=0; i<nxd; i++) {
+      n1 = k*nxd*nyd + j*nxd + i;
+      n2 = j*nxd + i;
+      var_cubsph[n].data[n1] = u_in[n].data[n1]*grid_in[n].vlon_t[3*n2+1]+v_in[n].data[n1]*grid_in[n].vlat_t[3*n2+1];
+    }
+  }
+  do_c2l_interp(interp, nx_in, ny_in, nz, var_cubsph, nx_out, ny_out, y_latlon, has_missing, missing, fill_missing);  
+  
+  for(n=0; n<ntiles_in; n++) {
+    for(k=0; k<nz; k++) for(j=0; j<nyd; j++) for(i=0; i<nxd; i++) {
+      n1 = k*nxd*nyd + j*nxd + i;
+      n2 = j*nxd + i;
+      var_cubsph[n].data[n1] = u_in[n].data[n1]*grid_in[n].vlon_t[3*n2+2]+v_in[n].data[n1]*grid_in[n].vlat_t[3*n2+2];
+    }
+  }
+
+  do_c2l_interp(interp, nx_in, ny_in, nz, var_cubsph, nx_out, ny_out, z_latlon, has_missing, missing, fill_missing);  
+
+  for(n=0; n<ntiles_in; n++) free(var_cubsph[n].data);
+  free(var_cubsph);
+
+  
+  for(k=0; k<nz; k++) for(j=0; j<ny_out; j++) for(i=0; i<nx_out; i++) {
+    n1 = k*nx_out*ny_out + j*nx_out + i;
+    n2 = j*nx_out + i;
+    var_latlon[n1] = x_latlon[n1]*grid_out->vlon_t[3*n2] +  y_latlon[n1]*grid_out->vlon_t[3*n2+1] +  z_latlon[n1]*grid_out->vlon_t[3*n2+2];
+  }
+  do_latlon_coarsening(var_latlon, grid_out->latt1D_fine, nx_out, ny_out, nz, u_out->data,
+		       finer_step, has_missing, missing);
+
+  for(k=0; k<nz; k++) for(j=0; j<ny_out; j++) for(i=0; i<nx_out; i++) {
+    n1 = k*nx_out*ny_out + j*nx_out + i;
+    n2 = j*nx_out + i;
+    var_latlon[n1] = x_latlon[n1]*grid_out->vlat_t[3*n2] +  y_latlon[n1]*grid_out->vlat_t[3*n2+1] +  z_latlon[n1]*grid_out->vlat_t[3*n2+2];
+  }
+
+  do_latlon_coarsening(var_latlon, grid_out->latt1D_fine, nx_out, ny_out, nz, v_out->data,
+		       finer_step, has_missing, missing);
+
+  free(x_latlon);
+  free(y_latlon);
+  free(z_latlon);
+    
+}; /* do_vector_bilinear_interp */
+
+
+void do_c2l_interp(const Interp_config *interp, int nx_in, int ny_in, int nz, const Field_config *field_in,
+		   int nx_out, int ny_out, double *data_out, int has_missing, double missing, int fill_missing )
+{
+  int i, j, k, nxd, nyd, ic, jc, ind, n1, tile;
+  double d_in[4];
+  
+  nxd = nx_in + 2;
+  nyd = ny_in + 2;
+  
+  if (has_missing) {
+    for(k=0; k<nz; k++) for(j=0; j<ny_out; j++) for(i=0; i<nx_out; i++) {
+      n1      = j*nx_out+i;
+      ic      = interp->index[3*n1];
+      jc      = interp->index[3*n1+1];
+      tile    = interp->index[3*n1+2];
+      d_in[0] = field_in[tile].data[k*nxd*nyd+jc    *nxd+ic];
+      d_in[1] = field_in[tile].data[k*nxd*nyd+(jc+1)*nxd+ic];
+      d_in[2] = field_in[tile].data[k*nxd*nyd+(jc+1)*nxd+ic+1];
+      d_in[3] = field_in[tile].data[k*nxd*nyd+jc    *nxd+ic+1];
+      if (d_in[0] == missing || d_in[1] == missing || d_in[3] == missing || d_in[4] == missing ) {
+	if (fill_missing) {
+	  ind = max_weight_index( &(interp->weight[4*n1]), 4);
+	  data_out[k*nx_out*ny_out+n1] = d_in[ind];
+	}
+	else {
+	  data_out[k*nx_out*ny_out+n1] = missing;
+	}
+      }
+      else {
+	data_out[k*nx_out*ny_out+n1] = d_in[0]*interp->weight[4*n1] + d_in[1]*interp->weight[4*n1+1]
+	  + d_in[2]*interp->weight[4*n1+2] + d_in[3]*interp->weight[4*n1+3];
+      }
+    }
+  }
+  else {
+    for(k=0; k<nz; k++) for(j=0; j<ny_out; j++) for(i=0; i<nx_out; i++) {
+      n1      = j*nx_out+i;
+      ic      = interp->index[3*n1];
+      jc      = interp->index[3*n1+1];
+      tile    = interp->index[3*n1+2];
+      d_in[0] = field_in[tile].data[k*nxd*nyd+jc    *nxd+ic];
+      d_in[1] = field_in[tile].data[k*nxd*nyd+(jc+1)*nxd+ic];
+      d_in[2] = field_in[tile].data[k*nxd*nyd+(jc+1)*nxd+ic+1];
+      d_in[3] = field_in[tile].data[k*nxd*nyd+jc    *nxd+ic+1];
+      data_out[k*nx_out*ny_out+n1] = d_in[0]*interp->weight[4*n1] + d_in[1]*interp->weight[4*n1+1]
+	+ d_in[2]*interp->weight[4*n1+2] + d_in[3]*interp->weight[4*n1+3];
+    }
+  }
+  
+}; /* do_c2l_interp */
+
+   
+/*------------------------------------------------------------------
+  void sort_index()
+  sort index by shortest                                         
+  ----------------------------------------------------------------*/
+void sort_index(int ntiles, int *index, double *shortest)
+{
+  int l, ll, lll, i;
+  double *shortest_sort;
+  int    *index_sort;
+
+  shortest_sort = (double *)malloc(3*ntiles*sizeof(double));
+  index_sort    = (int    *)malloc(  ntiles*sizeof(int   ));
+  
+  for(l=0; l<3*ntiles; l++)index_sort[l] = 0;
+  for(l=0; l<ntiles; l++)shortest_sort[l] = M_PI+M_PI;
+  for(l=0; l<ntiles; l++) {
+    for(ll=0; ll<ntiles; ll++) {
+      if (shortest[l]<shortest_sort[ll]) {
+	for(lll=ntiles-2; lll>=ll; lll--) {
+	  index_sort[3*lll+1]=index_sort[3*lll];
+	  shortest_sort[lll+1]=shortest_sort[lll];
+	}
+	for(i=0; i<3; i++) index_sort[3*ll+i]=index[3*l+i];
+	shortest_sort[ll]=shortest[l];
+	break;
+      }
+    }
+  }
+
+  for(l=0; l<3*ntiles; l++) index[l]    = index_sort[l];
+  for(l=0; l<  ntiles; l++) shortest[l] = shortest_sort[l];
+
+  free(shortest_sort);
+  free(index_sort);
+  
+}; /* sort_index */
+
+
+/*------------------------------------------------------------------
+  void get_index(ig, jg, lg)
+  determine lower left corner                                    
+  ----------------------------------------------------------------*/
+int get_index(const Grid_config *grid_in, const Grid_config *grid_out, int *index,
+	       int i_in, int j_in, int l_in, int i_out, int j_out)
+{
+  int    ok, n0, n1, n2, n3, n4, n5;
+  int    nx_in, ny_in, nx_out, ny_out;
+  double v0[3], v1[3], v2[3], v3[3], v4[3], v5[3];
+  double angle_1, angle_1a, angle_1b, angle_2, angle_2a, angle_2b;
+  double angle_3, angle_3a, angle_3b, angle_4, angle_4a, angle_4b;
+  
+  ok=1;
+  nx_in  = grid_in->nx_fine;
+  ny_in  = grid_in->nx_fine;
+  nx_out = grid_out->nx;
+  ny_out = grid_out->nx;
+  n0 = j_out*nx_out + i_out;
+  n1 = j_in*nx_in + i_in;
+  n2 = j_in*nx_in + i_in+1;
+  n3 = (j_in+1)*nx_in + i_in;
+  v0[0] = grid_out->xt[n1];
+  v0[1] = grid_out->yt[n1];
+  v0[2] = grid_out->zt[n1];
+  v1[0] = grid_in->xt[n1];
+  v1[1] = grid_in->yt[n1];
+  v1[2] = grid_in->zt[n1];
+  v2[0] = grid_in->xt[n2];
+  v2[1] = grid_in->yt[n2];
+  v2[2] = grid_in->zt[n2];
+  v3[0] = grid_in->xt[n3];
+  v3[1] = grid_in->yt[n3];
+  v3[2] = grid_in->zt[n3];
+  angle_1 = spherical_angle(v1, v2, v3);
+  angle_1a= spherical_angle(v1, v2, v0); 
+  angle_1b= spherical_angle(v1, v3, v0);
+  
+  if (max(angle_1a,angle_1b)<angle_1) {
+    index[0]=i_in;
+    index[1]=j_in;
+    index[2]=l_in;
+  }
+  else {
+    n4 = j_in*nx_in + i_in-1;
+    v4[0] = grid_in->xt[n4];
+    v4[1] = grid_in->yt[n4];
+    v4[2] = grid_in->zt[n4];
+    angle_2 =spherical_angle(v1, v3, v4);
+    angle_2a=angle_1b;
+    angle_2b=spherical_angle(v1, v4, v0);
+    if (max(angle_2a,angle_2b)<angle_2) {
+      index[0]=i_in-1;
+      index[1]=j_in;
+      index[2]=l_in;
+    }
+    else {
+      n5 = (j_in-1)*nx_in + i_in;
+      v5[0] = grid_in->xt[n5];
+      v5[1] = grid_in->yt[n5];
+      v5[2] = grid_in->zt[n5];      
+      angle_3 =spherical_angle(v1, v4, v5);
+      angle_3a=angle_2b;
+      angle_3b=spherical_angle(v1, v5, v0);
+      if (max(angle_3a,angle_3b)<angle_3 && i_in>1 && j_in>1) {
+	index[0]=i_in-1;
+	index[1]=j_in-1;
+	index[2]=l_in;
+      }
+      else {
+	angle_4 =spherical_angle(v1, v5, v2);
+	angle_4a=angle_3b;
+	angle_4b=spherical_angle(v1, v2, v0);
+	if (max(angle_4a,angle_4b)<angle_4) {
+	  index[0]=i_in;
+	  index[1]=j_in-1;
+	  index[2]=l_in;
+	}
+        else {
+	  ok=0;
+	}
+      }
+    }
+  }
+  return ok;
+  
+}; /* get_index */
+
+
+/*-------------------------------------------------------------
+  determine lower left corner
+  void get_closest_index(int ig, int jg, int lg, int ok)
+  --------------------------------------------------------------*/
+int get_closest_index(const Grid_config *grid_in, const Grid_config *grid_out, int *index,
+		      int i_in, int j_in, int l_in, int i_out, int j_out)
+{
+  int found;
+  double angle_11, angle_11a, angle_11b;
+  double angle_22, angle_22a, angle_22b;
+  double angle_33, angle_33a, angle_33b;
+  double angle_44, angle_44a, angle_44b;
+  double angle_1,  angle_1a,  angle_1b;
+  double angle_2,  angle_2a,  angle_2b;
+  double angle_3,  angle_3a,  angle_3b;
+  double angle_4,  angle_4a,  angle_4b;  
+  int    n0, n1, n2, n3, n4, n5, n6, n7, n8;
+  int    nx_in, ny_in, nx_out, ny_out, nxd;
+  double v0[3], v1[3], v2[3], v3[3], v4[3], v5[3], v6[3], v7[3], v8[3];
+
+  found = 0;
+  nx_in  = grid_in->nx;
+  ny_in  = grid_in->ny;
+  nxd    = nx_in + 2;
+  nx_out = grid_out->nx_fine;
+  ny_out = grid_out->ny_fine;
+  n0     = j_out*nx_out+i_out;
+  n1     = j_in*nxd+i_in;
+  n2     = j_in*nxd+i_in+1;
+  n3     = (j_in+1)*nxd+i_in;
+  v1[0]  = grid_in->xt[n1];
+  v1[1]  = grid_in->yt[n1];
+  v1[2]  = grid_in->zt[n1];
+  v2[0]  = grid_in->xt[n2];
+  v2[1]  = grid_in->yt[n2];
+  v2[2]  = grid_in->zt[n2];
+  v3[0]  = grid_in->xt[n3];
+  v3[1]  = grid_in->yt[n3];
+  v3[2]  = grid_in->zt[n3];
+  v0[0]  = grid_out->xt[n0];
+  v0[1]  = grid_out->yt[n0];
+  v0[2]  = grid_out->zt[n0];
+  angle_1 =spherical_angle(v1, v2, v3);
+  angle_1a=spherical_angle(v1, v2, v0);
+  angle_1b=spherical_angle(v1, v3, v0);
+  if (max(angle_1a,angle_1b) <= angle_1) {
+    if (i_in==nx_in && j_in==ny_in) {
+      angle_11 =spherical_angle(v2, v3, v1);
+      angle_11a=spherical_angle(v2, v1, v0);
+      angle_11b=spherical_angle(v2, v3, v0);
+    }
+    else {
+      n4 = (j_in+1)*nxd+i_in+1;
+      v4[0]  = grid_in->xt[n4];
+      v4[1]  = grid_in->yt[n4];
+      v4[2]  = grid_in->zt[n4];
+      angle_11 =spherical_angle(v4, v3, v2);
+      angle_11a=spherical_angle(v4, v2, v0);
+      angle_11b=spherical_angle(v4, v3, v0);
+    }
+    if (max(angle_11a,angle_11b)<=angle_11) {
+      found = 1;
+      index[0]=i_in;
+      index[1]=j_in;
+      index[2]=l_in;
+    }
+  }
+  else {
+    n4 = j_in*nxd+i_in-1;
+    v4[0]  = grid_in->xt[n4];
+    v4[1]  = grid_in->yt[n4];
+    v4[2]  = grid_in->zt[n4]; 
+    angle_2 =spherical_angle(v1,v3,v4);
+    angle_2a=angle_1b;
+    angle_2b=spherical_angle(v1,v4,v0);
+    if (max(angle_2a,angle_2b)<=angle_2) {
+      if (i_in==1 && j_in==ny_in) {
+	angle_22 =spherical_angle(v3, v1, v4);
+	angle_22a=spherical_angle(v3, v4, v0);
+	angle_22b=spherical_angle(v3, v1, v0);
+      }
+      else {
+	n5 = (j_in+1)*nxd+i_in-1;
+	n6 = j_in    *nxd+i_in-1;
+	v5[0]  = grid_in->xt[n5];
+	v5[1]  = grid_in->yt[n5];
+	v5[2]  = grid_in->zt[n5];
+	v6[0]  = grid_in->xt[n6];
+	v6[1]  = grid_in->yt[n6];
+	v6[2]  = grid_in->zt[n6];
+	angle_22 =spherical_angle(v5, v3, v6);
+	angle_22a=spherical_angle(v5, v6, v0);
+	angle_22b=spherical_angle(v5, v3, v0);
+      }
+      if (max(angle_22a,angle_22b)<=angle_22) {
+	found=1;
+	index[0]=i_in-1;
+	index[1]=j_in;
+	index[2]=l_in;
+      }
+    }
+    else {
+      n5 = j_in*nxd+i_in-1;
+      n6 = (j_in-1)*nxd+i_in;
+      v5[0]  = grid_in->xt[n5];
+      v5[1]  = grid_in->yt[n5];
+      v5[2]  = grid_in->zt[n5];
+      v6[0]  = grid_in->xt[n6];
+      v6[1]  = grid_in->yt[n6];
+      v6[2]  = grid_in->zt[n6];	  
+      angle_3 =spherical_angle(v1, v5, v6);
+      angle_3a=angle_2b;
+      angle_3b=spherical_angle(v1, v6, v0);
+      if (max(angle_3a,angle_3b)<=angle_3 && i_in>1 && j_in>1) {
+	n7 = (j_in-1)*nxd+i_in-1;
+	v7[0]  = grid_in->xt[n7];
+	v7[1]  = grid_in->yt[n7];
+	v7[2]  = grid_in->zt[n7];    
+	angle_33 =spherical_angle(v7, v6, v5);
+	angle_33a=spherical_angle(v7, v5, v0);
+	angle_33b=spherical_angle(v7, v6, v0);
+	if (max(angle_33a,angle_33b)<=angle_33) {
+	  found=1;
+	  index[0]=i_in-1;
+	  index[1]=j_in-1;
+	  index[2]=l_in;
+	}
+      }
+      else {
+	angle_4 =spherical_angle(v1, v6, v2);
+	angle_4a=angle_3b;
+	angle_4b=spherical_angle(v1, v2, v0);
+	if (max(angle_4a,angle_4b)<=angle_4) {
+	  if (i_in==nx_in && j_in==1) {
+	    angle_44 =spherical_angle(v2, v1, v6);
+	    angle_44a=spherical_angle(v2, v6, v0);
+	    angle_44b=spherical_angle(v2, v1, v0);
+	  }
+	  else {
+	    n8 = (j_in-1)*nxd+i_in+1;
+	    v8[0]  = grid_in->xt[n8];
+	    v8[1]  = grid_in->yt[n8];
+	    v8[2]  = grid_in->zt[n8];   
+	    angle_44 =spherical_angle(v8, v2, v6);
+	    angle_44a=spherical_angle(v8, v6, v0);
+	    angle_44b=spherical_angle(v8, v2, v0);
+	  }
+	  if (max(angle_44a,angle_44b)<=angle_44) {
+	    found=1;
+	    index[0]=i_in;
+	    index[1]=j_in-1;
+	    index[2]=l_in;
+	  }
+	}
+      }
+    }
+  }
+  return found;
+  
+}; /* get_closest_index */
+	      
+
+
+/*--------------------------------------------------------------------------
+
+calculate normalized great circle distance between v1 and v2 
+double normalize_great_circle_distance(v1, v2)
+---------------------------------------------------------------------------*/
+double normalize_great_circle_distance(const double *v1, const double *v2)
+{
+  double dist;
+
+  dist=(v1[0]*v2[0]+v1[1]*v2[1]+v1[2]*v2[2])
+    /sqrt((v1[0]*v1[0]+v1[1]*v1[1]+v1[2]*v1[2])                 
+	  *(v2[0]*v2[0]+v2[1]*v2[1]+v2[2]*v2[2]));
+  dist = sign(min(1.,fabs(dist)),dist);
+  dist = acos(dist);
+  return dist;
+  
+}; /* normalize_great_circle_distance */
+
+/*------------------------------------------------------------------
+  double spherical_angle(v1, v2, v3)
+
+  calculate spherical angle of a triangle formed by v1, v2 and v3 at v1                                                            
+  ------------------------------------------------------------------*/
+/* double spherical_angle(double *v1, double *v2, double *v3) */
+/* { */
+/*   double angle; */
+/*   double px, py, pz, qx, qy, qz, abs_p, abs_q; */
+
+/*   /* vector product between v1 and v2 */
+/*   px = v1[1]*v2[2] - v1[2]*v2[1]; */
+/*   py = v1[2]*v2[0] - v1[0]*v2[2]; */
+/*   pz = v1[0]*v2[1] - v1[1]*v2[0]; */
+/*   /* vector product between v1 and v3  */
+/*   qx = v1[1]*v3[2] - v1[2]*v3[1]; */
+/*   qy = v1[2]*v3[0] - v1[0]*v3[2]; */
+/*   qz = v1[0]*v3[1] - v1[1]*v3[0]; */
+    
+/*   /* angle between p and q */ 
+/*   abs_p=px*px+py*py+pz*pz; */
+/*   abs_q=qx*qx+qy*qy+qz*qz; */
+/*   if (abs_p*abs_q==0.) */
+/*     angle=0.; */
+/*   else { */
+/*     angle = (px*qx+py*qy+pz*qz)/sqrt(abs_p*abs_q); */
+/*     angle = sign(min(1.,fabs(angle)),angle); */
+/*     angle = acos(angle); */
+/*   } */
+
+/*   return angle; */
+/* }; /* spherical_angle */
+
+/*---------------------------------------------------------------------
+  double dist2side(v1, v2, point)
+  calculate shortest normalized distance on sphere                 
+  from point to straight line defined by v1 and v2                 
+  ------------------------------------------------------------------*/
+double dist2side(const double *v1, const double *v2, const double *point)
+{
+  double angle, side;
+
+  angle = spherical_angle(v1, v2, point);
+  side  = normalize_great_circle_distance(v1, point);
+
+  return (asin(sin(side)*sin(angle)));
+
+};/* dist2side */
+
+  
+int max_weight_index( double *var, int nvar)
+{
+
+  int ind, i;
+
+  ind = 0;
+
+  for(i=1; i<nvar; i++) {
+    if(var[i]>var[ind]) ind = i;
+  }
+
+  return ind;
+}
+
+/*------------------------------------------------------------------------------
+  void do_latlon_coarsening(var_latlon, ylat, nlon, nlat, nz,     
+                            var_latlon_crs, nlon_crs, nlat_crs,   
+                            finer_steps, misval, varmisval)
+
+  calculate variable on coarser latlon grid                        
+  by doubling spatial resolution and preserving volume means       
+  ---------------------------------------------------------------------------*/
+void do_latlon_coarsening(const double *var_latlon, const double *ylat, int nlon, int nlat, int nz,    
+			  double *var_latlon_crs, int finer_steps, int has_missing, double missvalue)
+{
+
+  double  *var_latlon_old, *ylat_old, *var_latlon_new;
+  double  dlat;
+  int     nlon_old, nlat_old, nlon_new, nlat_new, steps, i, j;
+  int     nlon_crs, nlat_crs;
+  
+  nlon_crs=nlon/pow(2,finer_steps);
+  nlat_crs=(nlat-1)/pow(2,finer_steps)+1;
+  switch (finer_steps) {
+  case 0:
+    if (nlon_crs !=nlon || nlat_crs != nlat) mpp_error("bilinear_interp(do_latlon_coarsening): grid dimensions don't match");
+    for(i=0; i<nlon*nlat*nz; i++) var_latlon_crs[i] = var_latlon[i];
+    break;
+  case 1:
+    redu2x(var_latlon, ylat, nlon, nlat, var_latlon_crs, nlon_crs, nlat_crs, nz, has_missing, missvalue);
+    break;
+  default:
+    nlon_new=nlon;
+    nlat_new=nlat;
+    for(steps=1; steps<=finer_steps; steps++) {
+      nlon_old=nlon_new;
+      nlat_old=nlat_new;
+      var_latlon_old = (double *)malloc(nlon_old*nlat_old*nz*sizeof(double));
+      ylat_old       = (double *)malloc(nlat_old*sizeof(double));
+      if (steps==1) {
+	for(i=0; i<nlat; i++) ylat_old[i] = ylat[i]; 
+	for(i=0; i<nlon_old*nlat_old*nz; i++) var_latlon_old[i] = var_latlon[i];
+      }
+      else {
+	dlat=M_PI/(nlat_old-1);
+	ylat_old[0]=-0.5*M_PI;
+	ylat_old[nlat_old-1]= 0.5*M_PI;
+	for(j=1; j<nlat_old-1; j++) ylat_old[j] = ylat_old[0] + j*dlat;
+	for(i=0; i<nlon_old*nlat_old*nz; i++) var_latlon_old[i] = var_latlon_new[i];
+	free(var_latlon_new);
+      }
+          
+      nlon_new=nlon_new/2;
+      nlat_new=(nlat_new-1)/2+1;
+      var_latlon_new = (double *)malloc(nlon_new*nlat_new*nz*sizeof(double));
+      redu2x(var_latlon_old, ylat_old, nlon_old, nlat_old, var_latlon_new, nlon_new, nlat_new, nz, has_missing, missvalue);
+      free(var_latlon_old);
+      free(ylat_old);
+    }
+    for(i=0; i<nlon_new*nlat_new*nz; i++) var_latlon_crs[i] = var_latlon_new[i];
+    free(var_latlon_new);
+  }
+}; /* do_latlon_coarsening */
+
+/*------------------------------------------------------------------------------
+  void redu2x(varfin, yfin, nxfin, nyfin, varcrs, nxcrs, nycrs)
+  this routine is for reducing fvccm data by a factor of 2       
+  volume averaging for all data except at the poles              
+  original developer: S.-J. Lin                                  
+  ----------------------------------------------------------------------------*/
+void redu2x(const double *varfin, const double *yfin, int nxfin, int nyfin, double *varcrs,
+	    int nxcrs, int nycrs, int nz, int has_missing, double missvalue)
+{
+  double  *cosp, *acosp, *vartmp;
+  int     i, j, k, i2, j2, n1, n2;
+
+  /*------------------------------------------------------------------
+    calculate cosine of latitude                                   
+    trick in cosp needed to maintain a constant field              
+    ----------------------------------------------------------------*/
+  cosp  = (double *)malloc(nyfin*sizeof(double));
+  acosp = (double *)malloc(nyfin*sizeof(double));
+  vartmp = (double *)malloc(nxcrs*nyfin*nz*sizeof(double));
+  cosp[0]=0.;
+  cosp[nyfin-1]=0.;
+  for(j=1; j<nyfin-1; j++) cosp[j]  = cos(yfin[j]);
+  for(j=1; j<nyfin-1; j++) acosp[j] = 1./(cosp[j]+0.5*(cosp[j-1]+cosp[j+1]));
+
+  /*----------------------------------------------------------------
+    x-sweep                                                        
+    ----------------------------------------------------------------*/
+  if(has_missing) {
+    for(k=0; k<nz; k++) for(j=1; j<nyfin-1; j++) {
+      n1 = k*nxfin*nyfin+j*nxfin;
+      n2 = k*nxcrs*nyfin+j*nxcrs;
+      if (varfin[n1+nxfin-1] == missvalue || varfin[n1] == missvalue || varfin[n1+1] == missvalue)
+	vartmp[n2] = missvalue;
+      else
+	vartmp[n2] = 0.25*(varfin[n1+nxfin-1]+2.*varfin[n1]+varfin[n1+1]);
+      for(i=2; i<nxfin-1; i+=2) {
+	i2 = i/2;
+	if (varfin[n1+i-1] == missvalue || varfin[n1+i] == missvalue || varfin[n1+i+1] == missvalue) 
+	  vartmp[n2+i2] = missvalue;
+        else
+	  vartmp[n2+i2] = 0.25*(varfin[n1+i-1]+2.*varfin[n1+i]+varfin[n1+i+1]);
+      }
+    }
+  }
+  else {
+    for(k=0; k<nz; k++) for(j=1; j<nyfin-1; j++) {
+      n1 = k*nxfin*nyfin+j*nxfin;
+      n2 = k*nxcrs*nyfin+j*nxcrs;
+      vartmp[n2] = 0.25*(varfin[n1+nxfin-1]+2.*varfin[n1]+varfin[n1+1]);
+      for(i=2; i<nxfin-1; i+=2) {
+	i2 = i/2;
+	vartmp[n2+i2] = 0.25*(varfin[n1+i-1]+2.*varfin[n1+i]+varfin[n1+i+1]);
+      }
+    }
+  }
+  /*---------------------------------------------------------------------
+    poles:                                                         
+    this code segment works for both the scalar and vector fields. 
+    Winds at poles are wave-1; the follwoing is quick & dirty yet the correct way
+    The skipping method. A more rigorous way is to                 
+    recompute the wave-1 components for the coarser grid.          
+    --------------------------------------------------------------------*/
+  for(k=0; k<nz; k++) for(i=0; i<nxcrs; i++) {
+    i2 = i*2;
+    n1 = k*nxcrs*nycrs;
+    n2 = k*nxfin*nyfin; 
+    varcrs[n1+i] = varfin[n2+i2];
+    varcrs[n1+(nycrs-1)*nxcrs+i] = varfin[n1+(nyfin-1)*nxfin+i2];
+  }
+  /*----------------------------------------------------------------
+    y-sweep                                                        
+    ----------------------------------------------------------------*/
+  if (has_missing) {
+    for(k=0; k<nz; k++) for(j=1; j<nyfin-1; j++) for(i=0; i<nxcrs; i++) {
+      n1 = k*nxcrs*nyfin+j*nxcrs+i;
+      if (vartmp[n1] /= missvalue) vartmp[n1] *= cosp[j];
+    }
+    for(k=0; k<nz; k++) for(j=2; j<nyfin-2; j+=2) {
+      j2 = j/2;
+      for(i=0; i<nxcrs; i++) {
+	n1 = k*nxcrs*nyfin + i;
+	n2 = k*nxcrs*nycrs + i;
+	if (vartmp[n1+j*nxcrs] == missvalue || vartmp[n1+(j-1)*nxcrs] == missvalue
+	    || vartmp[n1+(j+1)*nxcrs] == missvalue )
+	  varcrs[n2+j2*nxcrs] = missvalue;
+	else
+	  varcrs[n2+j2*nxcrs] = acosp[j]*(vartmp[n1+j*nxcrs] + 0.5*(vartmp[n1+(j-1)*nxcrs]+ vartmp[n1+(j+1)*nxcrs]));
+      }
+    }
+  }
+  else {
+    for(k=0; k<nz; k++) for(j=1; j<nyfin-1; j++) for(i=0; i<nxcrs; i++) {
+      n1 = k*nxcrs*nyfin+j*nxcrs+i;
+      vartmp[n1] *= cosp[j];
+    }
+    for(k=0; k<nz; k++) for(j=2; j<nyfin-2; j+=2) {
+      j2 = j/2;
+      for(i=0; i<nxcrs; i++) {
+	n1 = k*nxcrs*nyfin + i;
+	n2 = k*nxcrs*nycrs + i;
+	varcrs[n2+j2*nxcrs] = acosp[j]*(vartmp[n1+j*nxcrs] + 0.5*(vartmp[n1+(j-1)*nxcrs]+ vartmp[n1+(j+1)*nxcrs]));
+      }
+    }
+  }
+
+  free(cosp);
+  free(acosp);
+  free(vartmp);
+  
+}; /*redu2x*/
+
+
diff --git a/gridspec_tools_20080702/tools/shared/conserve_interp.c b/gridspec_tools_20080702/tools/shared/conserve_interp.c
new file mode 100644
index 0000000..05d714d
--- /dev/null
+++ b/gridspec_tools_20080702/tools/shared/conserve_interp.c
@@ -0,0 +1,689 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <netcdf.h>
+#include <math.h>
+#include "constant.h"
+#include "globals.h"
+#include "create_xgrid.h"
+#include "mosaic_util.h"
+#include "conserve_interp.h"
+#include "fregrid_util.h"
+#include "mpp.h"
+#include "mpp_io.h"
+
+#define  AREA_RATIO (1.e-3)
+
+/*******************************************************************************
+  void setup_conserve_interp
+  Setup the interpolation weight for conservative interpolation 
+*******************************************************************************/
+void setup_conserve_interp(int ntiles_in, const Grid_config *grid_in, int ntiles_out,
+			   Grid_config *grid_out, Interp_config *interp, unsigned int opcode) 
+{
+  int    n, m, i, ii, jj, nx_in, ny_in, nx_out, ny_out, tile;
+  size_t nxgrid, nxgrid2, nxgrid_prev;
+  int    *i_in, *j_in, *i_out, *j_out;
+  int   *tmp_t_in, *tmp_i_in, *tmp_j_in, *tmp_i_out, *tmp_j_out;
+  double *tmp_di_in, *tmp_dj_in;
+  double *xgrid_area, *tmp_area, *xgrid_clon, *xgrid_clat;
+  
+  double garea;
+  typedef struct{
+    double *area;
+    double *clon;
+    double *clat;
+  } CellStruct;
+  CellStruct *cell_in;
+  
+  i_in       = (int    *)malloc(MAXXGRID   * sizeof(int   ));
+  j_in       = (int    *)malloc(MAXXGRID   * sizeof(int   ));
+  i_out      = (int    *)malloc(MAXXGRID   * sizeof(int   ));
+  j_out      = (int    *)malloc(MAXXGRID   * sizeof(int   ));
+  xgrid_area = (double *)malloc(MAXXGRID   * sizeof(double));
+  if(opcode & CONSERVE_ORDER2) {
+    xgrid_clon = (double *)malloc(MAXXGRID   * sizeof(double));
+    xgrid_clat = (double *)malloc(MAXXGRID   * sizeof(double));
+  }
+  garea = 4*M_PI*RADIUS*RADIUS;
+
+  if( opcode & READ) {
+    for(n=0; n<ntiles_out; n++) {
+      if( interp[n].file_exist ) { /* reading from file */
+	int *t_in, *ind;
+	int fid, vid;
+	
+	nxgrid     = read_mosaic_xgrid_size(interp[n].remap_file);
+	t_in       = (int    *)malloc(nxgrid*sizeof(int   ));
+	ind        = (int    *)malloc(nxgrid*sizeof(int   ));
+	if(opcode & CONSERVE_ORDER1)
+	  read_mosaic_xgrid_order1(interp[n].remap_file, i_in, j_in, i_out, j_out, xgrid_area);
+	else
+	  read_mosaic_xgrid_order2(interp[n].remap_file, i_in, j_in, i_out, j_out, xgrid_area, xgrid_clon, xgrid_clat);
+	
+	/*--- rescale the xgrid area */
+	for(i=0; i<nxgrid; i++) xgrid_area[i] *= garea;
+	fid = mpp_open(interp[n].remap_file, MPP_READ);
+	vid = mpp_get_varid(fid, "tile1");
+      	mpp_get_var_value(fid, vid, t_in);
+	mpp_close(fid);
+	/*distribute the exchange grid on each pe according to target grid index*/
+	interp[n].nxgrid = 0;
+	for(i=0; i<nxgrid; i++) {
+	  if( i_out[i] <= grid_out[n].iec && i_out[i] >= grid_out[n].isc &&
+	      j_out[i] <= grid_out[n].jec && j_out[i] >= grid_out[n].jsc )
+	    ind[interp[n].nxgrid++] = i;
+	}
+	interp[n].i_in   = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+	interp[n].j_in   = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+	interp[n].i_out  = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+	interp[n].j_out  = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+	interp[n].area   = (double *)malloc(interp[n].nxgrid*sizeof(double));
+	interp[n].t_in   = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+
+	for(i=0; i< interp[n].nxgrid; i++) {
+	  interp[n].i_in [i] = i_in [ind[i]];
+	  interp[n].j_in [i] = j_in [ind[i]];
+	  interp[n].t_in [i] = t_in [ind[i]] - 1;
+	  interp[n].i_out[i] = i_out[ind[i]] - grid_out[n].isc;
+	  interp[n].j_out[i] = j_out[ind[i]] - grid_out[n].jsc;
+	  interp[n].area [i] = xgrid_area[ind[i]];
+     	}
+	if(opcode & CONSERVE_ORDER2) {
+	  interp[n].di_in   = (double *)malloc(interp[n].nxgrid*sizeof(double));
+	  interp[n].dj_in   = (double *)malloc(interp[n].nxgrid*sizeof(double));
+	  for(i=0; i< interp[n].nxgrid; i++) {
+	    interp[n].di_in[i] = xgrid_clon[ind[i]];
+	    interp[n].dj_in[i] = xgrid_clat[ind[i]];
+	  }
+	}	
+	free(t_in);
+	free(ind);
+      }
+    }
+    if(mpp_pe() == mpp_root_pe())printf("NOTE: Finish reading index and weight for conservative interpolation from file.\n");
+  }
+  else {
+    cell_in    = (CellStruct *)malloc(ntiles_in * sizeof(CellStruct));
+    for(m=0; m<ntiles_in; m++) {
+      nx_in = grid_in[m].nx;
+      ny_in = grid_in[m].ny;
+      cell_in[m].area = (double *)malloc(nx_in*ny_in*sizeof(double));
+      cell_in[m].clon = (double *)malloc(nx_in*ny_in*sizeof(double));
+      cell_in[m].clat = (double *)malloc(nx_in*ny_in*sizeof(double));
+      for(n=0; n<nx_in*ny_in; n++) {
+	cell_in[m].area[n] = 0;
+	cell_in[m].clon[n] = 0;
+        cell_in[m].clat[n] = 0;
+      }
+    }
+    for(n=0; n<ntiles_out; n++) {
+      nx_out    = grid_out[n].nxc;
+      ny_out    = grid_out[n].nyc;      
+      interp[n].nxgrid = 0;
+      for(m=0; m<ntiles_in; m++) {
+	double *mask;
+        nx_in = grid_in[m].nx;
+	ny_in = grid_in[m].ny;
+
+	mask = (double *)malloc(nx_in*ny_in*sizeof(double));
+	for(i=0; i<nx_in*ny_in; i++) mask[i] = 1.0; 
+	
+	if(opcode & CONSERVE_ORDER1) {
+	  nxgrid = create_xgrid_2dx2d_order1(&nx_in, &ny_in, &nx_out, &ny_out, grid_in[m].lonc,
+					     grid_in[m].latc,  grid_out[n].lonc,  grid_out[n].latc,
+					     mask, i_in, j_in, i_out, j_out, xgrid_area);
+	}
+	else if(opcode & CONSERVE_ORDER2) {
+	  int g_nxgrid;
+	  int    *g_i_in, *g_j_in;
+	  double *g_area, *g_clon, *g_clat;
+	  
+	  nxgrid = create_xgrid_2dx2d_order2(&nx_in, &ny_in, &nx_out, &ny_out, grid_in[m].lonc,
+					     grid_in[m].latc,  grid_out[n].lonc,  grid_out[n].latc,
+					     mask, i_in, j_in, i_out, j_out, xgrid_area, xgrid_clon, xgrid_clat);
+	  /* For the purpose of bitiwise reproducing, the following operation is needed. */
+      	  g_nxgrid = nxgrid;
+	  mpp_sum_int(1, &g_nxgrid);
+	  if(g_nxgrid > 0) {
+	    g_i_in = (int    *)malloc(g_nxgrid*sizeof(int   ));
+	    g_j_in = (int    *)malloc(g_nxgrid*sizeof(int   ));			   
+	    g_area = (double *)malloc(g_nxgrid*sizeof(double));
+	    g_clon = (double *)malloc(g_nxgrid*sizeof(double));
+	    g_clat = (double *)malloc(g_nxgrid*sizeof(double));
+	    mpp_gather_field_int   (nxgrid, i_in,       g_i_in);
+	    mpp_gather_field_int   (nxgrid, j_in,       g_j_in);
+	    mpp_gather_field_double(nxgrid, xgrid_area, g_area);
+	    mpp_gather_field_double(nxgrid, xgrid_clon, g_clon);
+	    mpp_gather_field_double(nxgrid, xgrid_clat, g_clat);
+	    for(i=0; i<g_nxgrid; i++) {
+	      ii = g_j_in[i]*nx_in+g_i_in[i];
+	      cell_in[m].area[ii] += g_area[i];
+	      cell_in[m].clon[ii] += g_clon[i];
+	      cell_in[m].clat[ii] += g_clat[i];
+	    }
+	    free(g_i_in);
+	    free(g_j_in);
+	    free(g_area);
+	    free(g_clon);
+	    free(g_clat);
+	  }
+	}
+	else
+	  mpp_error("conserve_interp: interp_method should be CONSERVE_ORDER1 or CONSERVE_ORDER2");
+
+	free(mask);
+	if(nxgrid > 0) {
+	  nxgrid_prev = interp[n].nxgrid;
+	  interp[n].nxgrid += nxgrid;
+	  if(nxgrid_prev == 0 ) {
+	    interp[n].i_in   = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+	    interp[n].j_in   = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+	    interp[n].i_out  = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+	    interp[n].j_out  = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+	    interp[n].area   = (double *)malloc(interp[n].nxgrid*sizeof(double));
+	    interp[n].t_in   = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+	    for(i=0; i<interp[n].nxgrid; i++) {
+	      interp[n].t_in [i] = m;
+	      interp[n].i_in [i] = i_in [i];
+	      interp[n].j_in [i] = j_in [i];
+	      interp[n].i_out[i] = i_out[i];
+	      interp[n].j_out[i] = j_out[i];
+	      interp[n].area[i]  = xgrid_area[i];
+	    }
+	    if(opcode & CONSERVE_ORDER2) {
+	      interp[n].di_in   = (double *)malloc(interp[n].nxgrid*sizeof(double));
+	      interp[n].dj_in   = (double *)malloc(interp[n].nxgrid*sizeof(double));
+	      for(i=0; i<interp[n].nxgrid; i++) {
+		jj = j_in [i]*nx_in+i_in [i];
+		interp[n].di_in [i] = xgrid_clon[i]/xgrid_area[i];
+		interp[n].dj_in [i] = xgrid_clat[i]/xgrid_area[i];
+	      }
+	    }
+	  }
+	  else {
+	    tmp_i_in  = interp[n].i_in;
+	    tmp_j_in  = interp[n].j_in;
+	    tmp_i_out = interp[n].i_out;
+	    tmp_j_out = interp[n].j_out;
+	    tmp_area  = interp[n].area;
+	    tmp_t_in  = interp[n].t_in;
+	    interp[n].i_in   = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+	    interp[n].j_in   = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+	    interp[n].i_out  = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+	    interp[n].j_out  = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+	    interp[n].area   = (double *)malloc(interp[n].nxgrid*sizeof(double));
+	    interp[n].t_in   = (int    *)malloc(interp[n].nxgrid*sizeof(int   ));
+	    for(i=0; i<nxgrid_prev; i++) {
+	      interp[n].t_in [i] = tmp_t_in [i];
+	      interp[n].i_in [i] = tmp_i_in [i];
+	      interp[n].j_in [i] = tmp_j_in [i];
+	      interp[n].i_out[i] = tmp_i_out[i];
+	      interp[n].j_out[i] = tmp_j_out[i];
+	      interp[n].area [i] = tmp_area [i];
+	    }
+	    for(i=0; i<nxgrid; i++) {
+	      ii = i + nxgrid_prev;
+	      interp[n].t_in [ii] = m;
+	      interp[n].i_in [ii] = i_in [i];
+	      interp[n].j_in [ii] = j_in [i];
+	      interp[n].i_out[ii] = i_out[i];
+	      interp[n].j_out[ii] = j_out[i];
+	      interp[n].area [ii] = xgrid_area[i];
+	    }
+	    if(opcode & CONSERVE_ORDER2) {
+	      tmp_di_in  = interp[n].di_in;
+	      tmp_dj_in  = interp[n].dj_in;
+	      interp[n].di_in   = (double *)malloc(interp[n].nxgrid*sizeof(double));
+	      interp[n].dj_in   = (double *)malloc(interp[n].nxgrid*sizeof(double));
+	      for(i=0; i<nxgrid_prev; i++) { 
+		interp[n].di_in [i] = tmp_di_in [i];
+		interp[n].dj_in [i] = tmp_dj_in [i];
+	      }
+	      for(i=0; i<nxgrid; i++) {
+		ii = i + nxgrid_prev;
+		jj = j_in [i]*nx_in+i_in [i];
+		interp[n].di_in [ii] = xgrid_clon[i]/xgrid_area[i];
+		interp[n].dj_in [ii] = xgrid_clat[i]/xgrid_area[i];
+	      }
+	      free(tmp_di_in);
+	      free(tmp_dj_in);
+	    }
+	    free(tmp_t_in);
+	    free(tmp_i_in);
+	    free(tmp_j_in);
+	    free(tmp_i_out);
+	    free(tmp_j_out);
+	    free(tmp_area);
+	  }
+	}  /* if(nxgrid>0) */
+      }
+    }
+    if(opcode & CONSERVE_ORDER2) {
+      /* subtrack the grid_in clon and clat to get the distance between xgrid and grid_in */
+      for(n=0; n<ntiles_in; n++) {
+	double *area_in;
+	double x1_in[50], y1_in[50], lon_in_avg, clon, clat;
+	int    j, n0, n1, n2, n3, n1_in;
+	/* calcualte cell area */
+     	nx_in = grid_in[n].nx;
+	ny_in = grid_in[n].ny;
+	area_in = (double *)malloc(nx_in*ny_in*sizeof(double));
+	get_grid_area(&nx_in, &ny_in, grid_in[n].lonc, grid_in[n].latc, area_in);	
+	for(j=0; j<ny_in; j++) for(i=0; i<nx_in; i++) {
+	  ii = j*nx_in + i;
+	  if(cell_in[n].area[ii] > 0) {
+	    if( fabs(cell_in[n].area[ii]-area_in[ii])/area_in[ii] < AREA_RATIO ) {
+	      cell_in[n].clon[ii] /= cell_in[n].area[ii];
+	      cell_in[n].clat[ii] /= cell_in[n].area[ii];
+	    }
+	    else {
+	      n0 = j*(nx_in+1)+i;       n1 = j*(nx_in+1)+i+1;
+	      n2 = (j+1)*(nx_in+1)+i+1; n3 = (j+1)*(nx_in+1)+i;
+	      x1_in[0] = grid_in[n].lonc[n0]; y1_in[0] = grid_in[n].latc[n0];
+	      x1_in[1] = grid_in[n].lonc[n1]; y1_in[1] = grid_in[n].latc[n1];
+	      x1_in[2] = grid_in[n].lonc[n2]; y1_in[2] = grid_in[n].latc[n2];
+	      x1_in[3] = grid_in[n].lonc[n3]; y1_in[3] = grid_in[n].latc[n3];
+	      n1_in = fix_lon(x1_in, y1_in, 4, M_PI);
+	      lon_in_avg = avgval_double(n1_in, x1_in);
+              clon = poly_ctrlon(x1_in, y1_in, n1_in, lon_in_avg);
+	      clat = poly_ctrlat (x1_in, y1_in, n1_in );
+	      cell_in[n].clon[ii] = clon/area_in[ii];
+	      cell_in[n].clat[ii] = clat/area_in[ii];
+	    }
+	  } 
+	}
+	free(area_in);
+      }
+      for(n=0; n<ntiles_out; n++) {
+	for(i=0; i<interp[n].nxgrid; i++) {
+	  tile = interp[n].t_in[i];
+	  ii   = interp[n].j_in[i] * grid_in[tile].nx + interp[n].i_in[i];
+          interp[n].di_in[i] -= cell_in[tile].clon[ii];
+	  interp[n].dj_in[i] -= cell_in[tile].clat[ii];
+	}
+      }
+
+      /* free the memory */
+      for(n=0; n<ntiles_in; n++) {
+	free(cell_in[n].area);
+	free(cell_in[n].clon);
+	free(cell_in[n].clat);
+      }
+      free(cell_in);
+    }
+    if( opcode & WRITE) { /* write out remapping information */
+      for(n=0; n<ntiles_out; n++) {
+	int nxgrid;
+	
+	nxgrid = interp[n].nxgrid;
+	mpp_sum_int(1, &nxgrid);
+	if(nxgrid > 0) {
+	  size_t start[4], nwrite[4];
+	  int    fid, dim_string, dim_ncells, dim_two, dims[4];
+	  int    id_xgrid_area, id_tile1_dist;
+	  int    id_tile1_cell, id_tile2_cell, id_tile1;
+	  int    *gdata_int, *ldata_int;	  
+	  double *gdata_dbl;
+	  
+	  fid = mpp_open( interp[n].remap_file, MPP_WRITE);
+	  dim_string = mpp_def_dim(fid, "string", STRING);
+	  dim_ncells = mpp_def_dim(fid, "ncells", nxgrid);
+	  dim_two    = mpp_def_dim(fid, "two", 2);
+	  dims[0] = dim_ncells; dims[1] = dim_two;
+	  id_tile1      = mpp_def_var(fid, "tile1",      NC_INT, 1, &dim_ncells, 1,
+				      "standard_name", "tile_number_in_mosaic1");
+	  id_tile1_cell = mpp_def_var(fid, "tile1_cell", NC_INT, 2, dims, 1,
+				      "standard_name", "parent_cell_indices_in_mosaic1");
+	  id_tile2_cell = mpp_def_var(fid, "tile2_cell", NC_INT, 2, dims, 1,
+				      "standard_name", "parent_cell_indices_in_mosaic2");
+	  id_xgrid_area = mpp_def_var(fid, "xgrid_area", NC_DOUBLE, 1, &dim_ncells, 2,
+				      "standard_name", "exchange_grid_area", "units", "m2");
+	  if(opcode & CONSERVE_ORDER2) id_tile1_dist = mpp_def_var(fid, "tile1_distance", NC_DOUBLE, 2, dims, 1,
+								   "standard_name", "distance_from_parent1_cell_centroid");
+	  mpp_end_def(fid);
+	  for(i=0; i<4; i++) {
+	    start[i] = 0; nwrite[i] = 1;
+	  }
+	  nwrite[0] = nxgrid;
+	  gdata_int = (int *)malloc(nxgrid*sizeof(int));
+	  if(interp[n].nxgrid>0) ldata_int = (int *)malloc(interp[n].nxgrid*sizeof(int));
+	  gdata_dbl = (double *)malloc(nxgrid*sizeof(double));
+	  mpp_gather_field_double(interp[n].nxgrid, interp[n].area, gdata_dbl);
+	  mpp_put_var_value(fid, id_xgrid_area, gdata_dbl);
+	  mpp_gather_field_int(interp[n].nxgrid, interp[n].t_in, gdata_int);
+	  for(i=0; i<nxgrid; i++) gdata_int[i]++;
+	  mpp_put_var_value(fid, id_tile1, gdata_int);
+	  mpp_gather_field_int(interp[n].nxgrid, interp[n].i_in, gdata_int);
+	  for(i=0; i<nxgrid; i++) gdata_int[i]++;
+	  mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, gdata_int);
+	  if(opcode & CONSERVE_ORDER2) {
+	    mpp_gather_field_double(interp[n].nxgrid, interp[n].di_in, gdata_dbl);
+	    mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, gdata_dbl);
+	  }
+	  for(i=0; i<interp[n].nxgrid; i++) ldata_int[i] = interp[n].i_out[i] + grid_out[n].isc + 1; 
+	  mpp_gather_field_int(interp[n].nxgrid, ldata_int, gdata_int);
+	  mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, gdata_int);
+	  mpp_gather_field_int(interp[n].nxgrid, interp[n].j_in, gdata_int);
+	  for(i=0; i<nxgrid; i++) gdata_int[i]++;
+	  start[1] = 1;
+	  mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, gdata_int);
+	  if(opcode & CONSERVE_ORDER2) {
+	    mpp_gather_field_double(interp[n].nxgrid, interp[n].dj_in, gdata_dbl);
+	    mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, gdata_dbl);
+	  }
+	  for(i=0; i<interp[n].nxgrid; i++) ldata_int[i] = interp[n].j_out[i] + grid_out[n].jsc + 1; 	  
+	  mpp_gather_field_int(interp[n].nxgrid, ldata_int, gdata_int);
+	  mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, gdata_int);
+	  free(gdata_int);
+	  free(gdata_dbl);
+	  if(interp[n].nxgrid>0)free(ldata_int);
+	  mpp_close(fid);
+	}
+      }
+    }
+    if(mpp_pe() == mpp_root_pe())printf("NOTE: done calculating index and weight for conservative interpolation\n");
+  }
+  /* get target grid area if needed */
+  if( opcode & TARGET ) {
+    for(n=0; n<ntiles_out; n++) {
+      nx_out    = grid_out[n].nxc;
+      ny_out    = grid_out[n].nyc; 
+      grid_out[n].area = (double *)malloc(nx_out*ny_out*sizeof(double));
+      get_grid_area(&nx_out,&ny_out, grid_out[n].lonc,  grid_out[n].latc, grid_out[n].area);
+    }
+  }
+  free(i_in);
+  free(j_in);
+  free(i_out);
+  free(j_out);
+  free(xgrid_area);
+  if(opcode & CONSERVE_ORDER2) {
+    free(xgrid_clon);
+    free(xgrid_clat);
+  }
+  
+}; /* setup_conserve_interp */
+
+
+/*******************************************************************************
+ void do_scalar_conserve_interp( )
+ doing conservative interpolation
+*******************************************************************************/
+void do_scalar_conserve_interp(Interp_config *interp, int varid, int ntiles_in, const Grid_config *grid_in,
+			       int ntiles_out, const Grid_config *grid_out, const Field_config *field_in,
+			       Field_config *field_out, unsigned int opcode)
+{
+  int nx1, ny1, nx2, ny2, nz, i1, j1, i2, j2, tile, n, k, m, i, j, kk, n1, n2;
+  int has_missing, halo;
+  double area, missing, di, dj;
+  double *out_area;
+
+  halo = 0;
+  if(opcode & CONSERVE_ORDER2) halo = 1;
+  
+  missing = field_in->var[varid].missing;
+  has_missing = field_in->var[varid].has_missing;
+  nz = field_in->var[varid].nz;
+  
+  for(m=0; m<ntiles_out; m++) {
+    nx2 = grid_out[m].nxc;
+    ny2 = grid_out[m].nyc;
+    out_area = (double *)malloc(nx2*ny2*sizeof(double));
+    
+    for(i=0; i<nx2*ny2*nz; i++) field_out[m].data[i] = 0.0;
+    
+    for(k=0; k<nz; k++) {
+      kk = k*nx2*ny2;
+      for(i=0; i<nx2*ny2; i++) out_area[i] = 0.0;
+      if(opcode & CONSERVE_ORDER1) {
+	if(has_missing) {
+	  for(n=0; n<interp[m].nxgrid; n++) {
+	    i2   = interp[m].i_out[n];
+	    j2   = interp[m].j_out[n];
+	    i1   = interp[m].i_in [n];
+	    j1   = interp[m].j_in [n];    
+	    tile = interp[m].t_in [n];
+	    area = interp[m].area [n];
+	    nx1  = grid_in[tile].nx;
+	    ny1  = grid_in[tile].ny;
+	    if( field_in[tile].data[k*nx1*ny1+j1*nx1+i1] != missing ) {
+	      field_out[m].data[kk+j2*nx2+i2] += field_in[tile].data[k*nx1*ny1+j1*nx1+i1]*area;
+	      out_area[j2*nx2+i2] += area;
+	    }
+	  }
+	}
+	else {
+	  for(n=0; n<interp[m].nxgrid; n++) {
+	    i2   = interp[m].i_out[n];
+	    j2   = interp[m].j_out[n];
+	    i1   = interp[m].i_in [n];
+	    j1   = interp[m].j_in [n];    
+	    tile = interp[m].t_in [n];
+	    area = interp[m].area [n];
+	    nx1  = grid_in[tile].nx;
+	    ny1  = grid_in[tile].ny;
+	    field_out[m].data[kk+j2*nx2+i2] += field_in[tile].data[k*nx1*ny1+j1*nx1+i1]*area;
+	    out_area[j2*nx2+i2] += area;
+	  }
+	}	  
+      }
+      else {
+	if(has_missing) {
+	  for(n=0; n<interp[m].nxgrid; n++) {
+	    i2   = interp[m].i_out[n];
+	    j2   = interp[m].j_out[n];
+	    i1   = interp[m].i_in [n];
+	    j1   = interp[m].j_in [n];
+	    di   = interp[m].di_in[n];
+	    dj   = interp[m].dj_in[n];
+	    tile = interp[m].t_in [n];
+	    area = interp[m].area [n];
+	    nx1  = grid_in[tile].nx;
+	    ny1  = grid_in[tile].ny;
+	    n2 = k*(nx1+2)*(ny1+2)+(j1+1)*(nx1+2)+i1+1;
+	    if( field_in[tile].data[n2] != missing ) {
+	      n1 = k*nx1*ny1+j1*nx1+i1;
+              if(field_in[tile].grad_mask[n1]) { /* use zero gradient */
+		field_out[m].data[kk+j2*nx2+i2] += field_in[tile].data[n2]*area;
+	      }
+	      else {
+		field_out[m].data[kk+j2*nx2+i2] += (field_in[tile].data[n2]+field_in[tile].grad_x[n1]*di
+						    +field_in[tile].grad_y[n1]*dj)*area;
+	      }
+	      out_area[j2*nx2+i2] += area;
+	    }
+	  }
+	}
+	else {
+	  for(n=0; n<interp[m].nxgrid; n++) {
+	    i2   = interp[m].i_out[n];
+	    j2   = interp[m].j_out[n];
+	    i1   = interp[m].i_in [n];
+	    j1   = interp[m].j_in [n];
+	    di   = interp[m].di_in[n];
+	    dj   = interp[m].dj_in[n];
+	    tile = interp[m].t_in [n];
+	    area = interp[m].area [n];
+	    nx1  = grid_in[tile].nx;
+	    ny1  = grid_in[tile].ny;
+	    n1 = k*nx1*ny1+j1*nx1+i1;
+	    n2 = k*(nx1+2)*(ny1+2)+(j1+1)*(nx1+2)+i1+1;
+	    field_out[m].data[kk+j2*nx2+i2] += (field_in[tile].data[n2]+field_in[tile].grad_x[n1]*di
+						+field_in[tile].grad_y[n1]*dj)*area;
+	    out_area[j2*nx2+i2] += area;
+	  }
+	}
+      }
+      if(opcode & TARGET) {
+	for(i=0; i<nx2*ny2; i++) {
+	  if(out_area[i] > 0)
+	    field_out[m].data[kk+i] /= grid_out[m].area[i];
+	  else
+	    field_out[m].data[kk+i] = missing;
+	}
+      }
+      else {
+	for(i=0; i<nx2*ny2; i++) {
+	  if(out_area[i] > 0)
+	    field_out[m].data[kk+i] /= out_area[i];
+	  else
+	    field_out[m].data[kk+i] = missing;
+	}      
+      }
+    }
+
+    free(out_area);
+  }
+
+  /* conservation check if needed */
+  if(opcode & CHECK_CONSERVE) {
+    double gsum_in, gsum_out, dd;
+    double *area;
+    gsum_in = 0;
+    gsum_out = 0;
+    for(n=0; n<ntiles_in; n++) {
+      nx1  = grid_in[n].nx;
+      ny1  = grid_in[n].ny;
+      area = (double *)malloc(nx1*ny1*sizeof(double));
+      get_grid_area(&nx1, &ny1, grid_in[n].lonc, grid_in[n].latc, area);
+      
+      for(k=0; k<nz; k++) {
+	kk = k*(nx1+2*halo)*(ny1+2*halo);
+	for(j=0; j<ny1; j++) for(i=0; i<nx1; i++) {
+	  dd = field_in[n].data[kk+(j+halo)*(nx1+2*halo)+i+halo];
+	  if(dd != missing) gsum_in += dd*area[j*nx1+i];
+	}
+      }
+      free(area);
+    }
+    for(n=0; n<ntiles_out; n++) {
+      nx2  = grid_out[n].nxc;
+      ny2  = grid_out[n].nyc;
+      area = (double *)malloc(nx2*ny2*sizeof(double));
+      get_grid_area(&nx2, &ny2, grid_out[n].lonc, grid_out[n].latc, area);
+      
+      for(k=0; k<nz; k++) {
+	kk = k*nx2*ny2;
+	for(j=0; j<ny2; j++) for(i=0; i<nx2; i++) {
+	  dd = field_out[n].data[kk+j*nx2+i];
+	  if(dd != missing) gsum_out += dd*area[j*nx2+i];
+	}
+      }
+      free(area);
+    }
+    mpp_sum_double(1, &gsum_out);
+    
+    if(mpp_pe() == mpp_root_pe()) printf("the flux(data*area) sum of %s: input = %g, output = %g, diff = %g. \n",
+					 field_in->var[varid].name, gsum_in, gsum_out, gsum_out-gsum_in);
+        
+
+    
+  }
+  
+  
+}; /* do_scalar_conserve_interp */
+
+
+/*******************************************************************************
+ void do_vector_conserve_interp( )
+ doing conservative interpolation
+*******************************************************************************/
+void do_vector_conserve_interp(Interp_config *interp, int varid, int ntiles_in, const Grid_config *grid_in, int ntiles_out, 
+                               const Grid_config *grid_out, const Field_config *u_in,  const Field_config *v_in,
+                               Field_config *u_out, Field_config *v_out, unsigned int opcode)  
+{
+  int          nx1, ny1, nx2, ny2, nz, i1, j1, i2, j2, tile, n, k, m, i, kk;
+  double       area, missing, tmp_x, tmp_y;
+  double       *out_area;
+
+  nz = u_in->var[varid].nz;
+  missing = u_in->var[varid].missing;  
+  /* first rotate input data */
+  for(n = 0; n < ntiles_in; n++) {
+    if(grid_in[n].rotate) {
+      nx1 = grid_in[n].nx;
+      ny1 = grid_in[n].ny;
+      for(k = 0; k < nz; k++) {
+	for(i=0; i<nx1*ny1; i++) {
+	  tmp_x = u_in[n].data[k*nx1*ny1+i];
+	  tmp_y = v_in[n].data[k*nx1*ny1+i];
+	  if( tmp_x != missing && tmp_y != missing) {
+	    u_in[n].data[k*nx1*ny1+i] = tmp_x * grid_in[n].cosrot[i] - tmp_y * grid_in[n].sinrot[i];
+	    v_in[n].data[k*nx1*ny1+i] = tmp_x * grid_in[n].sinrot[i] + tmp_y * grid_in[n].cosrot[i];
+	  }
+	}
+      }
+    }
+  }
+  
+  for(m=0; m<ntiles_out; m++) {
+    nx2 = grid_out[m].nxc;
+    ny2 = grid_out[m].nyc;
+    out_area = (double *)malloc(nx2*ny2*sizeof(double));
+    
+    for(i=0; i<nx2*ny2*nz; i++) {
+      u_out[m].data[i] = 0.0;
+      v_out[m].data[i] = 0.0;
+    }
+    for(k=0; k<nz; k++) {
+      kk = k*nx2*ny2;
+      for(i=0; i<nx2*ny2; i++) out_area[i] = 0.0;
+    
+      for(n=0; n<interp[m].nxgrid; n++) {
+	i2   = interp[m].i_out[n];
+	j2   = interp[m].j_out[n];
+	i1   = interp[m].i_in [n];
+	j1   = interp[m].j_in [n];    
+	tile = interp[m].t_in [n];
+	area = interp[m].area [n];
+	nx1  = grid_in[tile].nx;
+	ny1  = grid_in[tile].ny;
+	tmp_x = u_in[tile].data[k*nx1*ny1+j1*nx1+i1];
+	tmp_y = v_in[tile].data[k*nx1*ny1+j1*nx1+i1];
+	if( tmp_x != missing && tmp_y != missing ) {
+	  u_out[m].data[kk+j2*nx2+i2] += u_in[tile].data[k*nx1*ny1+j1*nx1+i1]*area;
+	  v_out[m].data[kk+j2*nx2+i2] += v_in[tile].data[k*nx1*ny1+j1*nx1+i1]*area;
+	  out_area[j2*nx2+i2] += area;
+	}
+      }
+      if(opcode & TARGET) {
+	for(i=0; i<nx2*ny2; i++) {
+	  if(out_area[i] > 0) {
+	    u_out[m].data[kk+i] /= grid_out[m].area[i];
+	    v_out[m].data[kk+i] /= grid_out[m].area[i];
+	  }
+	  else {
+	    u_out[m].data[kk+i] = missing;
+	    v_out[m].data[kk+i] = missing;
+	  }
+	}
+      }
+      else {
+	for(i=0; i<nx2*ny2; i++) {
+	  if(out_area[i] > 0) {
+	    u_out[m].data[kk+i] /= out_area[i];
+	    v_out[m].data[kk+i] /= out_area[i];
+	  }
+	  else {
+	    u_out[m].data[kk+i] = missing;
+	    v_out[m].data[kk+i] = missing;
+	  }
+	}      
+      }
+      /* rotate the data if needed */
+      if(grid_out[m].rotate) {
+	for(i=0; i<nx2*ny2; i++) {
+	  tmp_x = u_out[m].data[k*nx2*ny2+i];
+	  tmp_y = v_out[m].data[k*nx2*ny2+i];
+	  if( tmp_x != missing && tmp_y != missing) {
+	    u_out[m].data[k*nx2*ny2+i] =  tmp_x * grid_out[m].cosrot[i] + tmp_y * grid_out[m].sinrot[i];
+	    v_out[m].data[k*nx2*ny2+i] = -tmp_x * grid_out[m].sinrot[i] + tmp_y * grid_out[m].cosrot[i];
+	  }
+	}
+      }
+    }
+    free(out_area);
+  }    
+  
+}; /* do_vector_conserve_interp */
diff --git a/gridspec_tools_20080702/tools/shared/create_conformal_cubic_grid.c b/gridspec_tools_20080702/tools/shared/create_conformal_cubic_grid.c
new file mode 100644
index 0000000..b044ea7
--- /dev/null
+++ b/gridspec_tools_20080702/tools/shared/create_conformal_cubic_grid.c
@@ -0,0 +1,814 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <complex.h>
+#include <math.h>
+#include "mosaic_util.h"
+#include "tool_util.h"
+#include "constant.h"
+#include "create_hgrid.h"
+#define  D2R (M_PI/180.)
+#define  R2D (180./M_PI)
+/*********************************************************************************
+   some private routines used in this file
+*********************************************************************************/
+void calc_geocoords_centerpole(int nx, int ny, double *x, double *y);
+void conformal_map_coords2xyz ( int ni, int nj, double *lx, double *ly, double *X, double *Y, double *Z );
+void map_xyz2lonlat(int ni, int nj, double *X, double *Y, double *Z, double *lon, double *lat );
+void rotate_about_xaxis(int ni, int nj, double *X, double *Y, double *Z, double angle);
+void permutiles(int ni, int nj, double *b, int num);
+void calc_fvgrid(int nx, int ny, int nratio, double *dx, double *dy, double *area);
+double* angle_between_vectors(int ni, int nj, double *vec1, double *vec2);
+double* excess_of_quad(int ni, int nj, double *vec1, double *vec2, double *vec3, double *vec4 );
+double* plane_normal(int ni, int nj, double *P1, double *P2);
+void calc_rotation_angle(int nxp, int nyp, double *x, double *y, double *angle_dx, double *angle_dy);
+
+
+/*******************************************************************************
+  void create_conformal_cubic_grid( int *npoints, int *nratio, char *method, char *orientation, double *x,
+                          double *y, double *dx, double *dy, double *area, double *angle_dx,
+                          double *angle_dy )
+  create cubic grid. All six tiles grid will be generated.
+*******************************************************************************/
+void create_conformal_cubic_grid( int *npts, int *nratio, char *method, char *orientation, double *x,
+			double *y, double *dx, double *dy, double *area, double *angle_dx,
+			double *angle_dy )
+{
+  int nx, ny, nxp, nyp;
+
+  nx  = *npts;
+  ny  = nx;
+  nxp = nx+1;
+  nyp = nxp;
+  
+  /*calculate geographic coordinates. */
+  if(strcmp(orientation, "center_pole") == 0)
+    calc_geocoords_centerpole(nx, ny, x, y);
+  else
+    mpp_error("create_cubic_grid: only center pole orientation is implemented");  
+
+  /* calculate cell length and area */
+  calc_fvgrid(nx, ny, *nratio, dx, dy, area);  
+
+  /*calculate rotation angle, just some workaround, will modify this in the future. */
+  calc_rotation_angle(nxp, nyp, x, y, angle_dx, angle_dy );
+  
+}; /* create_conformal_cubic_grid */
+
+/***********************************************************************
+   calc_geoocoords_centerpole(int nx, int ny, double *x, double *y);
+calculate geographic coordinates for all six tiles.
+
+***********************************************************************/
+void calc_geocoords_centerpole(int nx, int ny, double *x, double *y)
+{
+  int i, j, n, m, nxp, nyp, nxh, nyh;
+  double *lx, *ly, *X, *Y, *Z, *lonP, *latP, *lonE, *latE, *tmp;
+
+  nxp = nx+1;
+  nyp = ny+1;
+  nxh = (nxp+1)/2;
+  nyh = (nyp+1)/2;  
+  
+  lx = (double *)malloc(nxh*nyh*sizeof(double));
+  ly = (double *)malloc(nxh*nyh*sizeof(double));
+
+  n = 0;
+  for(j=0; j<nyh; j++) {
+    for(i=0; i<nxh; i++) {
+      lx[n] = -1. + 2.0*i/(nxp-1);
+      ly[n++] = -1. + 2.0*j/(nyp-1);
+    }
+  } 
+
+  X = (double *)malloc(nxh*nyh*sizeof(double));
+  Y = (double *)malloc(nxh*nyh*sizeof(double));
+  Z = (double *)malloc(nxh*nyh*sizeof(double));
+
+  /* calculating 3D coordinates on unit sphere */
+  conformal_map_coords2xyz( nxh, nyh, lx, ly, X, Y, Z);
+
+  lonP = (double *) malloc(nxp*nyp*sizeof(double));
+  latP = (double *) malloc(nxp*nyp*sizeof(double));
+  lonE = (double *) malloc(nxp*nyp*sizeof(double));
+  latE = (double *) malloc(nxp*nyp*sizeof(double));
+  
+  /* map 3D coordinates to geographical coordinates. */
+  map_xyz2lonlat( nxh, nyh, X, Y, Z, lx, ly );
+
+  /* coyy data from lx, ly to lonP and latP */
+  for(j=0;j<nyh;j++) {
+    for(i=0; i<nxh; i++) {
+      lonP[j*nxp+i] = lx[j*nxh+i];
+      latP[j*nxp+i] = ly[j*nxh+i];
+    }
+  }
+
+  /* enforce symmetry */
+  for(j=0;j<nyh;j++) {
+    for(i=0; i<nxh; i++) {
+      if( i<j )
+	latP[j*nxp+i] = 0.5*(latP[j*nxp+i] + latP[i*nxp+j]);
+      else
+	latP[j*nxp+i] = latP[i*nxp+j];       
+      if(lonP[j*nxp+i] >= M_PI ) lonP[j*nxp+i] -= 2*M_PI;
+    }
+  }
+
+  tmp = (double *) malloc(nxh*nyh*sizeof(double));
+  n = 0;
+  for(j=0; j<nyh; j++)
+    for(i=0; i<nxh; i++) tmp[n++] = lonP[j*nxp+i];
+
+  for(j=0;j<nyh;j++) {  
+    for(i=0; i<nxh; i++) {
+      lonP[j*nxp+i] = (tmp[j*nxh+i]-3./2.*M_PI-tmp[i*nxh+j])*0.5;
+      if(i==j) lonP[j*nxp+i] = -3.0/4.0*M_PI;
+    }
+  }
+
+  free(tmp);
+  
+  /*use symmetry to expand to full cubic */
+  for(j=0;j<nyh;j++) {
+    for(i=nxh;i<nxp; i++) {
+      lonP[j*nxp+i] = -M_PI-lonP[j*nxp+nxp-i-1];
+      latP[j*nxp+i] = latP[j*nxp+nxp-i-1];
+    }
+  }
+
+  for(j=nyh; j<nyp; j++) {
+    for(i=0; i<nxp; i++) {
+      lonP[j*nxp+i] = -lonP[(nyp-j-1)*nxp+i];
+      latP[j*nxp+i] = latP[(nyp-j-1)*nxp+i];
+    }
+  }       
+
+  rotate_about_xaxis(nxh, nyh, X, Y, Z, M_PI/2);   
+
+  map_xyz2lonlat( nxh, nyh, X, Y, Z, lx, ly );
+
+  /* coyy data from lx, ly to lonE and latE */
+  for(j=0;j<nyh;j++) {
+    for(i=0; i<nxh; i++) {
+      lonE[j*nxp+i] = lx[j*nxh+i];
+      latE[j*nxp+i] = ly[j*nxh+i];
+    }
+  }
+  
+  free(lx);
+  free(ly);
+  
+  /* enforce symmetry */
+  for(j=0;j<nyh;j++) lonE[j*nxp] = -3./4.*M_PI;
+  for(i=0;i<nxh;i++) {
+    latE[(nyh-1)*nxp+i] = 0;
+    latE[i]    = -latP[i];
+  }
+  /*use symmetry to expand to full cube. */
+  for(j=0;j<nxh; j++) {
+    for(i=nxh;i<nxp;i++) {
+      lonE[j*nxp+i] = -M_PI-lonE[j*nxp+nxp-i-1];
+      latE[j*nxp+i] = latE[j*nxp+nxp-i-1];
+    }
+  }
+
+  for(j=nyh; j<nyp; j++) {
+    for(i=0; i<nxp; i++) {
+      lonE[j*nxp+i] = lonE[(nyp-j-1)*nxp+i];
+      latE[j*nxp+i] = -latE[(nyp-j-1)*nxp+i];
+    }
+  }      
+
+  /*convert to geographic grid */
+  n = 0;
+  /* tile 1 */
+  for(m = 0; m < nxp*nyp; m++) { 
+    x[n] = lonE[m]*R2D-90.;
+    if(x[n]<=-180.) x[n] += 360.;
+    y[n++] = latE[m]*R2D;
+  }
+
+  /* tile 2 */
+  for(m = 0; m < nxp*nyp; m++) {
+    x[n] = lonE[m]*R2D;
+    y[n++] = latE[m]*R2D;
+  }
+
+  /* tile 3 */
+  for(m = 0; m < nxp*nyp; m++) {
+    x[n] = lonP[m]*R2D;
+    y[n++] = latP[m]*R2D;
+  }
+    
+  /* tile 4 */
+  for(j=0; j<nyp; j++) {
+    for(i=0; i<nxp; i++) {
+      x[n] = lonE[i*nxp+j]*R2D+90.;
+      y[n++] = latE[(nxp-i-1)*nxp+j]*R2D;
+    }
+  }
+
+  /* tile 5 */
+  for(j=0; j<nyp; j++) {
+    for(i=0; i<nxp; i++) {
+      x[n] = lonE[i*nxp+j]*R2D+180.;
+      y[n++] = latE[(nxp-i-1)*nxp+j]*R2D;
+    }
+  }
+
+  /* tile 6 */
+  for(j=0; j<nyp; j++) {
+    for(i=0; i<nxp; i++) {
+      x[n] = lonP[(nxp-i-1)*nxp+nyp-j-1]*R2D;
+      y[n++] = -latP[j*nxp+i]*R2D;
+    }
+  }
+
+  permutiles(nxp, nyp, x,2);
+  permutiles(nxp, nyp, y,2);
+
+}; /*calc_geocords_centerpole */
+
+/*************************************************************************
+  void conformal_map_coords2xyz ( double *lx, double * ly, double *X, double *Y, double *Z )
+  Conformal mapping of a cube onto a sphere maps (lx, ly) on the north-pole face of a cube
+  to (X,Y,Z) coordinates in physical space. 
+  Face is oriented normal to Z-axis with  X and Y increasing with lx and ly
+  valid ranges:  -1 < lx < 1   -1 < ly < 1
+  Based on matlab scripts from Alistair  ???? 
+**************************************************************************/
+  
+void conformal_map_coords2xyz ( int ni, int nj, double *lx, double *ly,
+     				   double *X, double *Y, double *Z )
+{
+  const double RA = sqrt(3.)-1;
+  const double THRD = 1./3.;
+  const complex CB = -1. + I;
+  const complex CC = RA*CB/2.;
+  const int order = 29;
+  const double A[] = { 1.47713057321600,
+		       -0.38183513110512,
+		       -0.05573055466344,
+		       -0.01895884801823,
+		       -0.00791314396396,
+		       -0.00486626515498,
+		       -0.00329250387158,
+		       -0.00235482619663,
+		       -0.00175869000970,
+		       -0.00135682443774,
+		       -0.00107458043205,
+		       -0.00086946107050,
+		       -0.00071604933286,
+		       -0.00059869243613,
+		       -0.00050696402446,
+		       -0.00043418115349,
+		       -0.00037537743098,
+		       -0.00032745130951,
+		       -0.00028769063795,
+		       -0.00025464473946,
+		       -0.00022659577923,
+		       -0.00020297175587,
+		       -0.00018247947703,
+		       -0.00016510295548,
+		       -0.00014967258633,
+		       -0.00013660647356,
+		       -0.00012466390509,
+		       -0.00011468147908,
+		       -0.00010518717478,
+		       -0.00009749136078,
+  };
+  complex w, zc,a,b;
+  int i, j, n, m;
+  double xc, yc, h, t;
+  size_t *dims;
+
+  for(n=0; n< ni*nj; n++) {
+    xc = fabs(lx[n]);
+    yc = fabs(ly[n]);
+    X[n] = xc;
+    Y[n] = yc;
+    xc   = 1 - xc;
+    yc   = 1 - yc;
+    if(fabs(ly[n]) > fabs(lx[n]) ) {
+      xc = 1-Y[n];
+      yc = 1-X[n];
+    }
+    zc  = cpow((xc+I*yc)/2.,4);
+    /*Evaluate the Taylor series.  */
+    w = 0;
+
+    for(m=order; m>=0; m--) w = ( w + A[m] ) * zc;
+    if( w != 0. ) w =  cpow(I,THRD) * cpow( w*I, THRD);
+    w = (w-RA)/(CB+CC*w);
+    X[n] = creal(w);  
+    Y[n] = cimag(w);
+    h    = 2./(1+cpow(X[n],2)+cpow(Y[n],2));
+    X[n] = X[n]*h;
+    Y[n] = Y[n]*h;
+    Z[n] = h-1;
+  }
+
+  for(n=0; n< ni*nj; n++) {
+    if(fabs(ly[n]) > fabs(lx[n]) ) {
+      t = X[n];
+      X[n] = Y[n];
+      Y[n] = t;
+    }
+
+    if(lx[n]<0)  X[n] = -X[n];
+    if(lx[n]==0) X[n] = 0;
+    if(ly[n]<0)  Y[n] = -Y[n];
+    if(ly[n]==0) Y[n] = 0;
+  }
+
+}; /* conformal_map_coords2xyz */
+
+
+
+/**********************************************************
+  Convert 3-D coordinates (x,y,z) to (lon,lat)
+  Assumes "lat" is positive with "z", equatorial plane
+  falls at z=0  and "lon" is measured anti-clockwise (eastward)
+  from x-axis (y=0) about z-axis.
+
+************************************************************/
+
+void map_xyz2lonlat(int ni, int nj, double *X, double *Y, double *Z, 
+		    double *lon, double *lat )
+{
+  int i, j, n;
+  double req;
+
+  for(n=0; n<ni*nj; n++) {
+    /*latitude */
+    req = sqrt(X[n]*X[n]+Y[n]*Y[n]);
+    if( req == 0)
+      if(Z[n] == 0 )
+	lat[n] = 0.;
+      else
+        lat[n] = M_PI*0.5;
+    else
+      lat[n] = atan( Z[n]/req );
+
+    /*longitude */
+    if(X[n] == 0)
+      lon[n] = M_PI*0.5;
+    else
+      lon[n] = atan(Y[n]/X[n]);
+
+    if(X[n]<0 && Y[n] >=0) lon[n] += M_PI;
+    if(X[n]<=0 && Y[n] < 0) lon[n] -= M_PI;
+  }
+  
+};  /* map_xyz2lonlat */
+
+
+/**************************************************************
+   void rotate_about_xaxis(int ni, int nj, double *X, double *Y, 
+	              	   double *Z, double angle)
+
+   Rotate about X axis by "angle"
+
+***************************************************************/
+
+void rotate_about_xaxis(int ni, int nj, double *X, double *Y, 
+	          	double *Z, double angle) {
+  int i, j, n;
+  double s,c,old;
+  const double tolerance = 1.e-9;
+
+  s=sin(angle);
+  c=cos(angle);
+
+  if (c<tolerance) {
+    c=0;
+    if(s>0)
+      s = 1;
+    else
+      s = -1;
+  }
+
+  for(n=0; n<ni*nj; n++) {
+    old = Y[n];
+    Y[n] = c*Y[n]-s*Z[n];
+    Z[n] = s*old+c*Z[n];
+  }
+
+}; /* rotate_about_xaxis */
+
+
+/*************************************************************************
+   void permutetiles(int ni, int nj, double *b, int n)
+
+   shifts the tile data left by n places around the equator
+   n=1, tile 2->1, 4->2, 5->4, 1->5, the tiles 3 and 6 get rotated 90 degs.
+
+*************************************************************************/
+
+void permutiles(int ni, int nj, double *b, int num) {
+
+  int i, j, k, n;
+  int ntiles = 6;
+  double *c=NULL;
+  
+  c = (double *)malloc(ni*nj*ntiles*sizeof(double));
+
+  for(k=0; k<num; k++) {
+    for(j=0;j<nj;j++) {
+      for(i=0;i<ni;i++) {
+	n = j*ni+i;
+	c[n]         = b[ni*nj+n];
+	c[ni*nj+n]   = b[3*ni*nj+i*ni+nj-j-1];
+	c[2*ni*nj+n] = b[2*ni*nj+i*ni+nj-j-1];
+	c[3*ni*nj+n] = b[4*ni*nj+n];
+	c[4*ni*nj+n] = b[(ni-i-1)*ni+j];
+	c[5*ni*nj+n] = b[5*ni*nj+(ni-i-1)*ni+j];
+      }
+    }
+    for(n=0; n<ni*nj*ntiles; n++) b[n] = c[n];
+  }
+
+  free(c);
+};  /* permutiles */
+
+/*************************************************************************
+
+     calc_fvgrid( lx, vector ly, vector dxl, vector dyl, vector areal)
+
+     Calculates finite volume grid info (dxl,dyl,areal) for conformal cubic grid 
+     with 3-D coordinates (X, Y, Z)
+     Meant to be used for single quadrant of tile but does work for full tile
+
+**************************************************************************/
+
+void calc_fvgrid(int nx, int ny, int nratio, double *dx, double *dy, double *area)
+{
+  int nxf, nyf, nif, njf, nxp, nyp, nxh, nyh, i, j, n, m;
+  double ar;
+  double *lx, *ly, *X, *Y, *Z, *vec1, *vec2, *vec3, *vec4, *dxl, *dyl, *areal;
+  size_t *dims;
+  
+  nxp = nx+1;
+  nyp = ny+1;
+  nxh = (nxp+1)/2;
+  nyh = (nyp+1)/2;
+
+  nxf = nx*nratio+1;
+  nyf = nxf; 
+  nif = (nxf+1)/2;
+  njf = nif;
+
+  lx = (double *)malloc(nif*njf*sizeof(double));
+  ly = (double *)malloc(nif*njf*sizeof(double));
+
+  n = 0;
+  for(j=0; j<njf; j++) {
+    for(i=0; i<nif; i++) {
+      lx[n] = -1. + 2.0*i/(nxf-1);
+      ly[n++] = -1. + 2.0*j/(nyf-1);
+    }
+  } 
+
+  X = (double *)malloc(nif*njf*sizeof(double));
+  Y = (double *)malloc(nif*njf*sizeof(double));
+  Z = (double *)malloc(nif*njf*sizeof(double));
+
+ /* calculating 3D coordinates on unit sphere */
+  conformal_map_coords2xyz( nif, njf, lx, ly, X, Y, Z);
+
+  vec1  = (double *)malloc((nif-1)*njf*3*sizeof(double));
+  vec2  = (double *)malloc((nif-1)*njf*3*sizeof(double));
+
+  for(j=0;j<njf;j++) {
+    for(i=0;i<nif-1;i++) {
+      n = j*(nif-1)+i;
+      vec1[n] = X[j*nif+i];
+      vec2[n] = X[j*nif+i+1];
+      vec1[(nif-1)*njf+n] = Y[j*nif+i];
+      vec2[(nif-1)*njf+n] = Y[j*nif+i+1];
+      vec1[2*(nif-1)*njf+n] = Z[j*nif+i];
+      vec2[2*(nif-1)*njf+n] = Z[j*nif+i+1];
+    }
+  }
+  
+  dxl = angle_between_vectors( nif-1, njf, vec1, vec2);
+
+  free(vec1);
+  free(vec2);
+
+  vec1  = (double *)malloc(nif*(njf-1)*3*sizeof(double));
+  vec2  = (double *)malloc(nif*(njf-1)*3*sizeof(double));
+
+  for(j=0;j<njf-1;j++) {
+    for(i=0;i<nif;i++) {
+      n = j*nif+i;
+      vec1[n] = X[j*nif+i];
+      vec2[n] = X[(j+1)*nif+i];
+      vec1[nif*(njf-1)+n] = Y[j*nif+i];
+      vec2[nif*(njf-1)+n] = Y[(j+1)*nif+i];
+      vec1[2*nif*(njf-1)+n] = Z[j*nif+i];
+      vec2[2*nif*(njf-1)+n] = Z[(j+1)*nif+i];
+    }
+  }  
+
+  dyl = angle_between_vectors( nif, njf-1, vec1, vec2);
+  
+  free(vec1);
+  free(vec2);
+
+  vec1  = (double *)malloc((nif-1)*(njf-1)*3*sizeof(double));
+  vec2  = (double *)malloc((nif-1)*(njf-1)*3*sizeof(double)); 
+  vec3  = (double *)malloc((nif-1)*(njf-1)*3*sizeof(double));
+  vec4  = (double *)malloc((nif-1)*(njf-1)*3*sizeof(double)); 
+
+  for(j=0;j<njf-1;j++) {
+    for(i=0;i<nif-1;i++) {
+      n = j*(nif-1)+i;
+      vec1[n] = X[j*nif+i];
+      vec2[n] = X[j*nif+i+1];
+      vec3[n] = X[(j+1)*nif+i+1];
+      vec4[n] = X[(j+1)*nif+i];
+      vec1[(nif-1)*(njf-1)+n] = Y[j*nif+i];
+      vec2[(nif-1)*(njf-1)+n] = Y[j*nif+i+1];
+      vec3[(nif-1)*(njf-1)+n] = Y[(j+1)*nif+i+1];
+      vec4[(nif-1)*(njf-1)+n] = Y[(j+1)*nif+i];
+      vec1[2*(nif-1)*(njf-1)+n] = Z[j*nif+i];
+      vec2[2*(nif-1)*(njf-1)+n] = Z[j*nif+i+1];
+      vec3[2*(nif-1)*(njf-1)+n] = Z[(j+1)*nif+i+1];
+      vec4[2*(nif-1)*(njf-1)+n] = Z[(j+1)*nif+i];
+    }
+  }  
+
+  areal = excess_of_quad( nif-1, njf-1, vec1, vec2, vec3, vec4);
+  free(vec1);
+  free(vec2);
+  free(vec3);
+  free(vec4);  
+
+  /*Force some symmetry (probably does nothing) */
+  for(j=0; j<njf; j++) {
+    for(i=0; i<nif-1; i++) dxl[j*(nif-1)+i] = (dxl[j*(nif-1)+i]+dyl[i*nif+j])*0.5;
+  }
+
+  for(j=0; j<njf-1; j++) {
+    for(i=0; i<nif; i++) dyl[j*nif+i] = dxl[i*(nif-1)+j];
+  }
+
+  for(j=0; j<njf-1; j++) {
+    for(i=0; i<nif-1; i++) {
+      if(j<i) 
+	areal[j*(nif-1)+i] = (areal[j*(nif-1)+i]+areal[i*(nif-1)+j])*0.5;
+      else if(j>i)
+        areal[j*(nif-1)+i] = areal[i*(nif-1)+j];
+    }
+  }
+
+  /* Use symmetry to fill second octant */
+  for(j=1; j<njf; j++) {
+    for(i=0; i<j; i++) {
+      dxl[j*(nif-1)+i] = dyl[i*nif+j];
+    }
+  }
+
+  for(j=1; j<njf-1; j++) {
+    for(i=0; i<j; i++) {
+      areal[j*(nif-1)+i] = areal[i*(nif-1)+j];
+    }
+  }
+
+  /* copy data from fine grid to super grid. */
+  
+  for(j=0;j<nyh;j++) {
+    for(i=0;i<nxh-1;i++) {
+      ar = 0;
+      for(n=0;n<nratio;n++) ar = ar + dxl[j*nratio*(nif-1)+i*nratio+n];
+      dx[j*nx+i] = ar*RADIUS;
+    }
+  }
+    
+  for(j=0;j<nyh-1;j++) {
+    for(i=0;i<nxh-1;i++) {
+      ar = 0;
+      for(n=0; n<nratio; n++) 
+	for(m=0; m<nratio; m++) ar += areal[(j*nratio+n)*(nif-1)+i*nratio+m];
+      area[j*nx+i] = ar*RADIUS*RADIUS;
+    }
+  }
+  
+  /*use reflection symmetry of quadrants to fill face. */
+  for(j=0;j<nyh; j++) {
+    for(i=nxh-1; i<nx; i++) {
+      dx[j*nx+i] = dx[j*nx+nxp-i-2];
+    }
+  }
+
+  for(j=nyh;j<nyp; j++) {
+    for(i=0; i<nx; i++) {
+      dx[j*nx+i] = dx[(ny-j)*nx+i];
+    }
+  }
+
+  for(j=0;j<nyh-1; j++) {
+    for(i=nxh-1; i<nx; i++) {
+      area[j*nx+i]   = area[j*nx+nxp-i-2];
+    }
+  }
+
+  for(j=nyh-1;j<ny; j++) {
+    for(i=0; i<nx; i++) {
+      area[j*ny+i]   = area[(nyp-j-2)*nx+i];
+    }
+  }
+
+  /* copy dx to dy */
+  for(j=0;j<ny;j++) 
+    for(i=0;i<nxp;i++) dy[j*nxp+i] =  dx[i*nx+j] ;
+
+}; /* calc_fvgrid */
+
+
+/******************************************************************************* 
+   array<double>* angle_between_vectors(array<double> vec1, array<double> vec2)
+*******************************************************************************/
+
+double* angle_between_vectors(int ni, int nj, double *vec1, double *vec2) {
+  int n;
+  double vector_prod, nrm1, nrm2;
+  double *angle;
+  
+  angle = (double *)malloc(ni*nj*sizeof(double));
+
+  for(n=0; n<ni*nj; n++) {
+    vector_prod=vec1[n]*vec2[n] + vec1[ni*nj+n]*vec2[ni*nj+n] + vec1[2*ni*nj+n]*vec2[2*ni*nj+n];
+      nrm1=pow(vec1[n],2)+pow(vec1[ni*nj+n],2)+pow(vec1[2*ni*nj+n],2);
+      nrm2=pow(vec2[n],2)+pow(vec2[ni*nj+n],2)+pow(vec2[2*ni*nj+n],2);
+      angle[n] = acos( vector_prod/sqrt(nrm1*nrm2) );
+  }
+  return angle;
+}; /* angle_between_vectors */
+
+/*****************************************************************
+   double* excess_of_quad(int ni, int nj, double *vec1, double *vec2, 
+                          double *vec3, double *vec4 )
+*******************************************************************/
+double* excess_of_quad(int ni, int nj, double *vec1, double *vec2, double *vec3, double *vec4 )
+{
+  int n;
+  double ang12, ang23, ang34, ang41;
+  double *excess, *plane1, *plane2, *plane3, *plane4;
+  double *angle12, *angle23, *angle34, *angle41;
+  
+  excess = (double *)malloc(ni*nj*sizeof(double));
+
+  plane1=plane_normal(ni, nj, vec1, vec2);
+  plane2=plane_normal(ni, nj, vec2, vec3);
+  plane3=plane_normal(ni, nj, vec3, vec4);
+  plane4=plane_normal(ni, nj, vec4, vec1);
+  angle12=angle_between_vectors(ni, nj, plane2,plane1);
+  angle23=angle_between_vectors(ni, nj, plane3,plane2);
+  angle34=angle_between_vectors(ni, nj, plane4,plane3);
+  angle41=angle_between_vectors(ni, nj, plane1,plane4);
+
+  for(n=0; n<ni*nj; n++) {
+    ang12 = M_PI-angle12[n];
+    ang23 = M_PI-angle23[n];
+    ang34 = M_PI-angle34[n];
+    ang41 = M_PI-angle41[n];
+    excess[n] = ang12+ang23+ang34+ang41-2*M_PI;
+  }
+
+  free(plane1);
+  free(plane2);
+  free(plane3);
+  free(plane4);
+  free(angle12);
+  free(angle23);
+  free(angle34);
+  free(angle41);
+  
+  return excess;
+
+}; /* excess_of_quad */
+
+/***********************************************************************
+   double* plane_normal(int ni, int nj, double *P1, double *P2)
+***********************************************************************/
+
+double* plane_normal(int ni, int nj, double *P1, double *P2)
+{
+  int i, j, n;
+  double p1, p2, p3, mag;
+  double *plane;
+  
+  plane = (double *)malloc(ni*nj*3*sizeof(double));
+
+  for(j=0;j<nj;j++) {
+    for(i=0;i<ni;i++) {
+      n = j*ni + i;
+      p1 = P1[ni*nj+n] * P2[2*ni*nj+n] - P1[2*ni*nj+n] * P2[ni*nj+n];
+      p2 = P1[2*ni*nj+n] * P2[n] - P1[n] * P2[2*ni*nj+n];
+      p3 = P1[n] * P2[ni*nj+n] - P1[ni*nj+n] * P2[n];
+      mag=sqrt(pow(p1,2) + pow(p2,2) + pow(p3,2));
+      plane[n]=p1/mag;
+      plane[ni*nj+n]=p2/mag;
+      plane[2*ni*nj+n]=p3/mag;
+    }
+  }
+
+  return plane;
+
+};
+
+/******************************************************************
+
+  void calc_rotation_angle()
+
+******************************************************************/
+
+void calc_rotation_angle(int nxp, int nyp, double *x, double *y, double *angle_dx, double *angle_dy)
+{
+  int ip1, im1, jp1, jm1, tp1, tm1, i, j, n, ntiles, nx, ny;
+  double lon_scale;
+
+  nx = nxp - 1;
+  ny = nyp - 1;
+  ntiles = 6;
+  for(n=0; n<ntiles; n++) {
+    for(j=0; j<nyp; j++) {
+      for(i=0; i<nxp; i++) {
+	lon_scale = cos(y[n*nxp*nyp+j*nxp+i]*D2R);
+	tp1 = n;
+	tm1 = n;
+	ip1 = i+1;
+	im1 = i-1;
+	jp1 = j;
+	jm1 = j;
+
+        if(ip1 >= nxp) {  /* find the neighbor tile. */
+	  if(n % 2 == 0) { /* tile 1, 3, 5 */
+	    tp1 = n+1;
+	    ip1 = 0;
+	  }
+	  else { /* tile 2, 4, 6 */
+	    tp1 = n+2;
+	    if(tp1 >= ntiles) tp1 -= ntiles;
+	    ip1 = ny-j-1;
+	    jp1 = 0;
+	  }
+	}        
+        if(im1 < 0) {  /* find the neighbor tile. */
+	  if(n % 2 == 0) { /* tile 1, 3, 5 */
+	    tm1 = n-2;
+	    if(tm1 < 0) tm1 += ntiles;
+	    jm1 = ny;
+	    im1 = nx-j;
+	  }
+	  else { /* tile 2, 4, 6 */
+	    tm1 = n-1;
+	    im1 = nx;
+	  }
+	}
+
+	angle_dx[n*nxp*nyp+j*nxp+i] = atan2(y[tp1*nxp*nyp+jp1*nxp+ip1]-y[tm1*nxp*nyp+jm1*nxp+im1],
+					    (x[tp1*nxp*nyp+jp1*nxp+ip1]-x[tm1*nxp*nyp+jm1*nxp+im1])*lon_scale )*R2D;
+	tp1 = n;
+	tm1 = n;
+	ip1 = i;
+	im1 = i;
+	jp1 = j+1;
+	jm1 = j-1;
+        if(jp1 >=nyp) {  /* find the neighbor tile. */
+	  if(n % 2 == 0) { /* tile 1, 3, 5 */
+	    tp1 = n+2;
+	    if(tp1 >= ntiles) tp1 -= ntiles;
+	    jp1 = nx-i;
+	    ip1 = 0;
+	  }
+	  else { /* tile 2, 4, 6 */
+	    tp1 = n+1;
+	    if(tp1 >= ntiles) tp1 -= ntiles;
+	    jp1 = 0;
+	  }
+	}        
+        if(jm1 < 0) {  /* find the neighbor tile. */
+	  if(n % 2 == 0) { /* tile 1, 3, 5 */
+	    tm1 = n-1;
+	    if(tm1 < 0) tm1 += ntiles;
+	    jm1 = ny;
+	  }
+	  else { /* tile 2, 4, 6 */
+	    tm1 = n-2;
+	    if(tm1 < 0) tm1 += ntiles;
+	    im1 = nx;
+	    jm1 = nx-i;
+	  }
+	}	
+
+	angle_dy[n*nxp*nyp+j*nxp+i] = atan2(y[tp1*nxp*nyp+jp1*nxp+ip1]-y[tm1*nxp*nyp+jm1*nxp+im1],
+					    (x[tp1*nxp*nyp+jp1*nxp+ip1]-x[tm1*nxp*nyp+jm1*nxp+im1])*lon_scale )*R2D;
+      }
+    }
+  }
+
+}; /* calc_rotation_angle */
+ 
diff --git a/gridspec_tools_20080702/tools/shared/create_gnomonic_cubic_grid.c b/gridspec_tools_20080702/tools/shared/create_gnomonic_cubic_grid.c
new file mode 100644
index 0000000..8d37c16
--- /dev/null
+++ b/gridspec_tools_20080702/tools/shared/create_gnomonic_cubic_grid.c
@@ -0,0 +1,907 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+#include "constant.h"
+#include "mosaic_util.h"
+#include "tool_util.h"
+#include "create_hgrid.h"
+#define  D2R (M_PI/180.)
+#define  R2D (180./M_PI)
+#define  EPSLN (1.e-10)
+
+/* private subroutines */
+void gnomonic_ed  (int ni, double* lamda, double* theta);
+void gnomonic_angl(int ni, double* lamda, double* theta);
+void gnomonic_dist(int ni, double* lamda, double* theta);
+void cartesian_to_spherical(double x, double y, double z, double *lon, double *lat, double *r);
+void spherical_to_cartesian(double lon, double lat, double r, double *x, double *y, double *z);
+void symm_ed(int ni, double *lamda, double *theta);
+void mirror_grid(int ni, int ntiles, double *x, double *y );
+void mirror_latlon(double lon1, double lat1, double lon2, double lat2, double lon0,
+		   double lat0, double *lon, double *lat);
+void rot_3d(int axis, double x1in, double y1in, double z1in, double angle, double *x2out,
+	    double *y2out, double *z2out, int degrees, int convert);
+double excess_of_quad2(const double *vec1, const double *vec2, const double *vec3, const double *vec4 );
+double angle_between_vectors2(const double *vec1, const double *vec2);
+void plane_normal2(const double *P1, const double *P2, double *plane);
+void calc_rotation_angle2(int nxp, double *x, double *y, double *angle_dx, double *angle_dy);
+void cell_center(int ni, const double *lonc, const double *latc, double *lont, double *latt);
+void cell_east(int ni, const double *lonc, const double *latc, double *lone, double *late);
+void cell_north(int ni, const double *lonc, const double *latc, double *lonn, double *latn);
+/*******************************************************************************
+  void create_gnomonic_cubic_grid( int *npoints, int *nratio, char *method, char *orientation, double *x,
+                          double *y, double *dx, double *dy, double *area, double *angle_dx,
+                          double *angle_dy )
+  create nomomic cubic grid. All six tiles grid will be generated.
+*******************************************************************************/
+void create_gnomonic_cubic_grid( char* grid_type, int *npts, double *x, double *y,
+				double *dx, double *dy, double *area, double *angle_dx,
+			        double *angle_dy )
+{
+  const int ntiles = 6;
+  int nx, nxp, ni, nip;
+  int i, j, n;
+  double p1[2], p2[2];
+  double p_ll[2], p_ul[2], p_lr[2], p_ur[2], ar;
+  double *lon, *lat;
+  double *xc, *yc, *xt, *yt;
+  double *xe, *ye, *xn, *yn;
+  
+  nx  = *npts;
+  if( nx%2 ) mpp_error("create_gnomonic_cubic_grid: supergrid size should be divided by 2");
+  ni  = nx/2;
+  nip = ni + 1;
+  nxp = nx+1;
+
+  lon = (double *)malloc(nip*nip*sizeof(double));
+  lat = (double *)malloc(nip*nip*sizeof(double));
+  
+  if(strcmp(grid_type, "gnomonic_ed")==0 )
+    gnomonic_ed(  ni, lon, lat);
+  else if(strcmp(grid_type,"gnomonic_dist")==0)
+    gnomonic_dist(ni, lon, lat);
+  else if(strcmp(grid_type,"gnomonic_angl")==0)
+    gnomonic_angl(ni, lon, lat);
+  else mpp_error("create_gnomonic_cubic_grid: grid type should be 'gnomonic_ed', "
+		 "'gnomonic_dist' or 'gnomonic_angl'");
+
+  symm_ed(ni, lon, lat);
+
+  xc = (double *)malloc(ntiles*nip*nip*sizeof(double));
+  yc = (double *)malloc(ntiles*nip*nip*sizeof(double));
+  xt = (double *)malloc(ntiles*ni *ni *sizeof(double));
+  yt = (double *)malloc(ntiles*ni *ni *sizeof(double));
+  xe = (double *)malloc(ntiles*nip*ni *sizeof(double));
+  ye = (double *)malloc(ntiles*nip*ni *sizeof(double));
+  xn = (double *)malloc(ntiles*ni *nip*sizeof(double));
+  yn = (double *)malloc(ntiles*ni *nip*sizeof(double));
+  
+  for(j=0; j<nip; j++) {
+    for(i=0; i<nip; i++) {
+      xc[j*nip+i] = lon[j*nip+i] - M_PI;
+      yc[j*nip+i] = lat[j*nip+i];
+    }
+  }
+  
+  /* mirror_grid assumes that the tile=1 is centered on equator
+     and greenwich meridian Lon[-pi,pi]  */
+  mirror_grid(ni, ntiles, xc, yc);
+
+  for(n=0; n<ntiles*nip*nip; n++) {
+#ifndef NO_SHIFT_WEST
+    /* This will result in the corner close to east coast of china */
+    xc[n] -= M_PI/18.;
+#endif    
+    if(xc[n] < 0.) xc[n] += 2.*M_PI;
+    if(fabs(xc[n]) < EPSLN) xc[n] = 0;
+    if(fabs(yc[n]) < EPSLN) yc[n] = 0;
+  }
+      
+  /* ensure consistency on the boundary between tiles */
+  for(j=0; j<nip; j++) {
+    xc[  nip*nip+j*nip] = xc[j*nip+ni];                 /* 1E -> 2W */
+    yc[  nip*nip+j*nip] = yc[j*nip+ni];                 /* 1E -> 2W */
+    xc[2*nip*nip+j*nip] = xc[ni*nip+ni-j];              /* 1N -> 3W */
+    yc[2*nip*nip+j*nip] = yc[ni*nip+ni-j];              /* 1N -> 3W */      
+  }
+  for(i=0; i<nip; i++) {
+    xc[4*nip*nip+ni*nip+i] = xc[(ni-i)*nip];            /* 1W -> 5N */
+    yc[4*nip*nip+ni*nip+i] = yc[(ni-i)*nip];            /* 1W -> 2N */
+    xc[5*nip*nip+ni*nip+i] = xc[i];                     /* 1S -> 6N */
+    yc[5*nip*nip+ni*nip+i] = yc[i];                     /* 1S -> 6N */      
+    xc[2*nip*nip+i]        = xc[nip*nip+ni*nip+i];      /* 2N -> 3S */
+    yc[2*nip*nip+i]        = yc[nip*nip+ni*nip+i];      /* 2N -> 3S */
+    xc[3*nip*nip+i]        = xc[nip*nip+(ni-i)*nip+ni];  /* 2E -> 4S */
+    yc[3*nip*nip+i]        = yc[nip*nip+(ni-i)*nip+ni];  /* 2E -> 4S */      
+  }
+  for(j=0; j<nip; j++) {
+    xc[5*nip*nip+j*nip+ni] = xc[nip*nip+ni-j];          /* 2S -> 6E */
+    yc[5*nip*nip+j*nip+ni] = yc[nip*nip+ni-j];          /* 2S -> 6E */  
+    xc[3*nip*nip+j*nip]    = xc[2*nip*nip+j*nip+ni];    /* 3E -> 4W */
+    yc[3*nip*nip+j*nip]    = yc[2*nip*nip+j*nip+ni];    /* 3E -> 4W */
+    xc[4*nip*nip+j*nip]    = xc[2*nip*nip+ni*nip+ni-j]; /* 3N -> 5W */
+    yc[4*nip*nip+j*nip]    = yc[2*nip*nip+ni*nip+ni-j]; /* 3N -> 5W */
+  }
+  for(i=0; i<nip; i++) {
+    xc[4*nip*nip+i] = xc[3*nip*nip+ni*nip+i];           /* 4N -> 5S */
+    yc[4*nip*nip+i] = yc[3*nip*nip+ni*nip+i];           /* 4N -> 5S */
+    xc[5*nip*nip+i] = xc[3*nip*nip+(ni-i)*nip+ni];      /* 4E -> 6S */
+    yc[5*nip*nip+i] = yc[3*nip*nip+(ni-i)*nip+ni];      /* 4E -> 6S */
+  }
+  for(j=0; j<nip; j++) {
+    xc[5*nip*nip+j*nip] = xc[4*nip*nip+j*nip+ni];    /* 5E -> 6W */
+    yc[5*nip*nip+j*nip] = yc[4*nip*nip+j*nip+ni];    /* 5E -> 6W */  
+  }
+
+  /* calculate grid box center location */
+       
+  for(n=0; n<ntiles; n++) {
+    cell_center(ni, xc+n*nip*nip, yc+n*nip*nip, xt+n*ni*ni, yt+n*ni*ni);
+    cell_east(ni, xc+n*nip*nip, yc+n*nip*nip, xe+n*nip*ni, ye+n*nip*ni);
+    cell_north(ni, xc+n*nip*nip, yc+n*nip*nip, xn+n*ni*nip, yn+n*ni*nip);
+  }
+
+  /* copy grid box vertices location into super grid */
+  for(n=0; n<ntiles; n++) for(j=0; j<nip; j++) for(i=0; i<nip; i++) {
+    x[n*nxp*nxp+j*2*nxp+i*2]=xc[n*nip*nip+j*nip+i];
+    y[n*nxp*nxp+j*2*nxp+i*2]=yc[n*nip*nip+j*nip+i];
+  }
+
+  /* copy grid box center location to super grid */
+  for(n=0; n<ntiles; n++) for(j=0; j<ni; j++) for(i=0; i<ni; i++) {
+    x[n*nxp*nxp+(j*2+1)*nxp+i*2+1]=xt[n*ni*ni+j*ni+i];
+    y[n*nxp*nxp+(j*2+1)*nxp+i*2+1]=yt[n*ni*ni+j*ni+i];
+  }  
+
+  /* copy grid box east location to super grid */
+  for(n=0; n<ntiles; n++) for(j=0; j<ni; j++) for(i=0; i<nip; i++) {
+    x[n*nxp*nxp+(j*2+1)*nxp+i*2]=xe[n*nip*ni+j*nip+i];
+    y[n*nxp*nxp+(j*2+1)*nxp+i*2]=ye[n*nip*ni+j*nip+i];
+  }  
+
+  /* copy grid box north location to super grid */
+  for(n=0; n<ntiles; n++) for(j=0; j<nip; j++) for(i=0; i<ni; i++) {
+    x[n*nxp*nxp+j*2*nxp+i*2+1]=xn[n*ni*nip+j*ni+i];
+    y[n*nxp*nxp+j*2*nxp+i*2+1]=yn[n*ni*nip+j*ni+i];
+  }  
+  
+  free(xt);
+  free(yt);
+  free(xc);
+  free(yc);  
+  free(xe);
+  free(ye);
+  free(xn);
+  free(yn);
+  
+  /* calculate grid cell length */
+  for(n=0; n<ntiles; n++) {
+    for(j=0; j<nxp; j++) {
+      for(i=0; i<nx; i++) {
+	p1[0] = x[n*nxp*nxp+j*nxp+i];
+	p1[1] = y[n*nxp*nxp+j*nxp+i];
+	p2[0] = x[n*nxp*nxp+j*nxp+i+1];
+	p2[1] = y[n*nxp*nxp+j*nxp+i+1];
+	dx[n*nx*nxp+j*nx+i] = great_circle_distance(p1, p2);
+      }
+    }
+  }
+
+  /* copy dx to dy */
+  for(n=0; n<ntiles; n++) {
+    for(j=0; j<nxp; j++) {
+      for(i=0; i<nx; i++) dy[n*nx*nxp+i*nxp+j] = dx[n*nx*nxp+j*nx+i];
+    }
+  }
+
+  /* ensure consistency on the boundaries between tiles */
+  for(j=0; j<nx; j++) {
+    dy[j*nxp]             = dx[4*nx*nxp+nx*nx+nx-j-1]; /* 5N -> 1W */
+    dy[j*nxp+nx]          = dy[nxp*nx+j*nxp];          /* 2W -> 1E */
+    dy[nxp*nx+j*nxp+nx]   = dx[3*nx*nxp+(nx-j-1)];     /* 4S -> 2E */
+    dy[2*nxp*nx+j*nxp]    = dx[nx*nx+nx-j-1];          /* 1N -> 3W */
+    dy[2*nxp*nx+j*nxp+nx] = dy[3*nxp*nx+j*nxp];        /* 4W -> 3E */
+    dy[3*nxp*nx+j*nxp+nx] = dx[5*nx*nxp+(nx-j-1)];     /* 4S -> 2E */
+    dy[4*nxp*nx+j*nxp]    = dx[2*nx*nxp+nx*nx+nx-j-1]; /* 3N -> 5W */
+    dy[4*nxp*nx+j*nxp+nx] = dy[5*nxp*nx+j*nxp];        /* 6W -> 5E */
+    dy[5*nxp*nx+j*nxp+nx] = dx[nx*nxp+(nx-j-1)];       /* 2S -> 6E */    
+  }
+
+  for(j=0; j<nx; j++) {
+    for(i=0; i<nx; i++) {
+      p_ll[0] = x[j*nxp+i];       p_ll[1] = y[j*nxp+i];
+      p_ul[0] = x[(j+1)*nxp+i];   p_ul[1] = y[(j+1)*nxp+i];
+      p_lr[0] = x[j*nxp+i+1];     p_lr[1] = y[j*nxp+i+1];
+      p_ur[0] = x[(j+1)*nxp+i+1]; p_ur[1] = y[(j+1)*nxp+i+1];
+      /* all the face have the same area */
+      ar = spherical_excess_area(p_ll, p_ul, p_lr, p_ur, RADIUS);
+      area[j*nx+i] = ar;
+      area[nx*nx+j*nx+i] = ar;
+      area[2*nx*nx+j*nx+i] = ar;
+      area[3*nx*nx+j*nx+i] = ar;
+      area[4*nx*nx+j*nx+i] = ar;
+      area[5*nx*nx+j*nx+i] = ar;        
+    }
+  }
+
+  /*calculate rotation angle, just some workaround, will modify this in the future. */
+  calc_rotation_angle2(nxp, x, y, angle_dx, angle_dy );
+
+  /* convert grid location from radians to degree */
+  for(i=0; i<nxp*nxp*ntiles; i++) {
+    x[i] = x[i]*R2D;
+    y[i] = y[i]*R2D;
+  }
+  
+}; /* void create_gnomonic_cubic_grid */
+
+
+/*-----------------------------------------------------
+      void gnomonic_ed
+  Equal distance along the 4 edges of the cubed sphere
+  -----------------------------------------------------
+  Properties: 
+  * defined by intersections of great circles
+  * max(dx,dy; global) / min(dx,dy; global) = sqrt(2) = 1.4142
+  * Max(aspect ratio) = 1.06089
+  * the N-S coordinate curves are const longitude on the 4 faces with equator 
+  For C2000: (dx_min, dx_max) = (3.921, 5.545)    in km unit
+  ! Ranges:
+  ! lamda = [0.75*pi, 1.25*pi]
+  ! theta = [-alpha, alpha]
+  --------------------------------------------------------*/
+void gnomonic_ed(int ni, double* lamda, double* theta)
+{
+
+  int i, j, n, nip;
+  double dely;
+  double *pp, *x, *y, *z;
+  double rsq3, alpha;
+
+
+  nip = ni + 1;
+  rsq3 = 1./sqrt(3.);
+  alpha = asin( rsq3 );
+
+  dely = 2.*alpha/ni;
+
+  /* Define East-West edges: */
+  for(j=0; j<nip; j++) {
+    lamda[j*nip]    = 0.75*M_PI;               /* West edge */
+    lamda[j*nip+ni] = 1.25*M_PI;               /* East edge */
+    theta[j*nip]    = -alpha + dely*j;       /* West edge */
+    theta[j*nip+ni] = theta[j*nip];          /* East edge */
+  }
+
+  /* Get North-South edges by symmetry: */
+
+  for(i=1; i<ni; i++) {
+      mirror_latlon(lamda[0], theta[0], lamda[ni*nip+ni], theta[ni*nip+ni],  
+		    lamda[i*nip], theta[i*nip], &lamda[i], &theta[i] );
+      lamda[ni*nip+i] = lamda[i];
+      theta[ni*nip+i] = -theta[i];
+  }
+
+  x = (double *)malloc(nip*nip*sizeof(double));
+  y = (double *)malloc(nip*nip*sizeof(double));
+  z = (double *)malloc(nip*nip*sizeof(double));
+  /* Set 4 corners: */
+  latlon2xyz(1, &lamda[0], &theta[0], &x[0], &y[0], &z[0]);
+  latlon2xyz(1, &lamda[ni], &theta[ni], &x[ni], &y[ni], &z[ni]);
+  latlon2xyz(1, &lamda[ni*nip], &theta[ni*nip], &x[ni*nip], &y[ni*nip], &z[ni*nip]);
+  latlon2xyz(1, &lamda[ni*nip+ni], &theta[ni*nip+ni], &x[ni*nip+ni], &y[ni*nip+ni], &z[ni*nip+ni]);
+
+  /* Map edges on the sphere back to cube:
+     Intersections at x=-rsq3   */
+
+  for(j=1; j<ni; j++) {
+    n = j*nip;
+    latlon2xyz(1, &lamda[n], &theta[n], &x[n], &y[n], &z[n]);
+    y[n] = -y[n]*rsq3/x[n];
+    z[n] = -z[n]*rsq3/x[n];
+  }
+
+  for(i=1; i<ni; i++) {
+    latlon2xyz(1, &lamda[i], &theta[i], &x[i], &y[i], &z[i]);
+    y[i] = -y[i]*rsq3/x[i];
+    z[i] = -z[i]*rsq3/x[i];
+  }    
+
+  for(j=0; j<nip; j++)
+    for(i=0; i<nip; i++) x[j*nip+i] = -rsq3;
+
+  for(j=1;j<nip; j++) {
+    for(i=1; i<nip; i++) {
+      y[j*nip+i] = y[i];
+      z[j*nip+i] = z[j*nip];
+    }
+  }
+
+  xyz2latlon(nip*nip, x, y, z, lamda, theta);
+
+}; /* gnomonic_ed */
+
+/*----------------------------------------------------------
+  void gnomonic_angl()
+  This is the commonly known equi-angular grid
+**************************************************************/
+
+void gnomonic_angl(int ni, double* lamda, double* theta)
+{
+
+
+
+}; /* gnomonic_angl */
+
+/*----------------------------------------------------------
+  void gnomonic_dist()
+  This is the commonly known equi-distance grid
+**************************************************************/
+
+void gnomonic_dist(int ni, double* lamda, double* theta)
+{
+
+
+
+}; /* gnomonic_dist */
+
+/*------------------------------------------------------------------
+        void mirror_latlon
+   Given the "mirror" as defined by (lon1, lat1), (lon2, lat2), and center 
+   of the sphere, compute the mirror image of (lon0, lat0) as  (lon, lat)
+   ---------------------------------------------------------------*/
+   
+void mirror_latlon(double lon1, double lat1, double lon2, double lat2, double lon0,
+		   double lat0, double *lon, double *lat)
+{
+  double p0[3], p1[3], p2[3], pp[3], nb[3];
+  double pdot;
+  int k;
+
+  latlon2xyz(1, &lon0, &lat0, &p0[0], &p0[1], &p0[2]);
+  latlon2xyz(1, &lon1, &lat1, &p1[0], &p1[1], &p1[2]);
+  latlon2xyz(1, &lon2, &lat2, &p2[0], &p2[1], &p2[2]);
+  vect_cross(p1, p2, nb);
+     
+  pdot = sqrt(nb[0]*nb[0]+nb[1]*nb[1]+nb[2]*nb[2]);
+  for(k=0; k<3; k++) nb[k] = nb[k]/pdot;
+
+  pdot = p0[0]*nb[0] + p0[1]*nb[1] + p0[2]*nb[2];
+  for(k=0; k<3; k++) pp[k] = p0[k] - 2*pdot*nb[k];
+  xyz2latlon(1, &pp[0], &pp[1], &pp[2], lon, lat);
+    
+}; /* mirror_latlon */
+
+/*-------------------------------------------------------------------------
+  void symm_ed(int ni, double *lamda, double *theta)
+  ! Make grid symmetrical to i=ni/2+1 and j=nj/2+1
+  ------------------------------------------------------------------------*/
+void symm_ed(int ni, double *lamda, double *theta)
+{
+  
+  int nip, i, j, ip, jp;
+  double avg;
+  
+  nip = ni+1;
+
+  for(j=1; j<nip; j++)
+    for(i=1; i<ni; i++) lamda[j*nip+i] = lamda[i];
+  
+  for(j=0; j<nip; j++) {
+    for(i=0; i<ni/2; i++) {
+      ip = ni - i;
+      avg = 0.5*(lamda[j*nip+i]-lamda[j*nip+ip]);
+      lamda[j*nip+i] = avg + M_PI;
+      lamda[j*nip+ip] = M_PI - avg;
+      avg = 0.5*(theta[j*nip+i]+theta[j*nip+ip]);
+      theta[j*nip+i] = avg;
+      theta[j*nip+ip] = avg;      
+    }
+  }
+
+  /* Make grid symmetrical to j=im/2+1 */
+  for(j = 0; j<ni/2; j++) {
+    jp = ni - j;
+    for(i=1; i<ni; i++) {
+      avg = 0.5*(lamda[j*nip+i]+lamda[jp*nip+i]);
+      lamda[j*nip+i] = avg;
+      lamda[jp*nip+i] = avg;
+      avg = 0.5*(theta[j*nip+i]-theta[jp*nip+i]);
+      theta[j*nip+i] = avg;
+      theta[jp*nip+i] = -avg;
+    }
+  }
+}/* symm_ed */
+
+/*------------------------------------------------------------------------------
+  void mirror_grid( )
+  Mirror Across the 0-longitude
+  ----------------------------------------------------------------------------*/
+void mirror_grid(int ni, int ntiles, double *x, double *y )
+{
+  int nip, i, j, ip, jp, nt;
+  double x1, y1, z1, x2, y2, z2, ang;
+
+  nip = ni+1;
+  
+  for(j=0; j<ceil(nip/2.); j++) {
+    jp = ni - j;
+    for(i=0; i<ceil(nip/2.); i++) {
+      ip = ni - i;
+      x1 = 0.25 * (fabs(x[j*nip+i]) + fabs(x[j*nip+ip]) + fabs(x[jp*nip+i]) + fabs(x[jp*nip+ip]) );
+      x[j*nip+i]   = x1 * (x[j*nip+i]   >=0 ? 1:-1);
+      x[j*nip+ip]  = x1 * (x[j*nip+ip]  >=0 ? 1:-1);
+      x[jp*nip+i]  = x1 * (x[jp*nip+i]  >=0 ? 1:-1);
+      x[jp*nip+ip] = x1 * (x[jp*nip+ip] >=0 ? 1:-1);      
+
+      y1 = 0.25 * (fabs(y[j*nip+i]) + fabs(y[j*nip+ip]) + fabs(y[jp*nip+i]) + fabs(y[jp*nip+ip]) );
+      y[j*nip+i]   = y1 * (y[j*nip+i]   >=0 ? 1:-1);
+      y[j*nip+ip]  = y1 * (y[j*nip+ip]  >=0 ? 1:-1);
+      y[jp*nip+i]  = y1 * (y[jp*nip+i]  >=0 ? 1:-1);
+      y[jp*nip+ip] = y1 * (y[jp*nip+ip] >=0 ? 1:-1);      
+      
+      /* force dateline/greenwich-meridion consitency */
+      if( nip%2 ) {
+	if( i == (nip-1)/2 ) {
+	  x[j*nip+i] = 0.0;
+	  x[jp*nip+i] = 0.0;
+	}
+      }
+    }
+  }
+
+  /* define the the other five tiles. */
+  for(nt=1; nt<ntiles; nt++) {
+    for(j=0; j<nip; j++) {
+      for(i=0; i<nip; i++) {
+	x1 = x[j*nip+i];
+	y1 = y[j*nip+i];
+	z1 = RADIUS;
+	switch (nt) {
+	case 1: /* tile 2 */
+	  ang = -90.;
+	  rot_3d( 3, x1, y1, z1, ang, &x2, &y2, &z2, 1, 1);  /* rotate about the z-axis */
+	  break;
+	case 2: /* tile 3 */
+	  ang = -90.;
+	  rot_3d( 3, x1, y1, z1, ang, &x2, &y2, &z2, 1, 1);  /* rotate about the z-axis */
+	  ang = 90.;
+	  rot_3d( 1, x2, y2, z2, ang, &x1, &y1, &z1, 1, 1); /* rotate about the z-axis */
+	  x2=x1;
+	  y2=y1;
+	  z2=z1;
+
+	  /* force North Pole and dateline/greenwich-meridion consitency */
+	  if(nip%2) {
+	    if( (i==(nip-1)/2) && (i==j) ) {
+	      x2 = 0;
+	      y2 = M_PI*0.5;
+	    }
+
+	    if( (j==(nip-1)/2) && (i<(nip-1)/2) ) x2 = 0;
+	    if( (j==(nip-1)/2) && (i>(nip-1)/2) ) x2 = M_PI;
+	  }
+	  break;
+	case 3: /* tile 4 */
+	  ang = -180.;
+	  rot_3d( 3, x1, y1, z1, ang, &x2, &y2, &z2, 1, 1); /* rotate about the z-axis */
+	  ang = 90.;
+	  rot_3d( 1, x2, y2, z2, ang, &x1, &y1, &z1, 1, 1); /* rotate about the z-axis */
+	  x2=x1;
+	  y2=y1;
+	  z2=z1;
+
+	  /* force dateline/greenwich-meridion consitency */
+	  if( nip%2 ) {
+	    if( j == (nip-1)/2 ) x2 = M_PI;
+	  }
+	  break;
+	case 4: /* tile 5 */
+	  ang = 90.;
+	  rot_3d( 3, x1, y1, z1, ang, &x2, &y2, &z2, 1, 1); /* rotate about the z-axis */
+	  ang = 90.;
+	  rot_3d( 2, x2, y2, z2, ang, &x1, &y1, &z1, 1, 1); /* rotate about the z-axis */
+	  x2=x1;
+	  y2=y1;
+	  z2=z1;
+	  break;
+	case 5: /* tile 6 */
+	  ang = 90.;
+	  rot_3d( 2, x1, y1, z1, ang, &x2, &y2, &z2, 1, 1); /* rotate about the z-axis */
+	  ang = 0.;
+	  rot_3d( 3, x2, y2, z2, ang, &x1, &y1, &z1, 1, 1); /* rotate about the z-axis */
+	  x2=x1;
+	  y2=y1;
+	  z2=z1;
+	  
+	  /* force South Pole and dateline/greenwich-meridion consitency */
+	  if(nip%2) {
+	    if( (i==(nip-1)/2) && (i==j) ) {
+	      x2 = 0;
+	      y2 = -M_PI*0.5;
+	    }
+
+	    if( (i==(nip-1)/2) && (j>(nip-1)/2) ) x2 = 0;
+	    if( (i==(nip-1)/2) && (j<(nip-1)/2) ) x2 = M_PI;
+	  }
+	  break;
+	}
+	x[nt*nip*nip+j*nip+i] = x2;
+	y[nt*nip*nip+j*nip+i] = y2;
+      }
+    }
+  }
+}; /* mirror_grid */
+
+
+/*-------------------------------------------------------------------------------
+  void rot_3d()
+  rotate points on a sphere in xyz coords (convert angle from
+  degrees to radians if necessary)
+  -----------------------------------------------------------------------------*/
+void rot_3d(int axis, double x1in, double y1in, double z1in, double angle, double *x2out,
+	    double *y2out, double *z2out, int degrees, int convert)
+{
+
+  double x1, y1, z1, x2, y2, z2, c, s;
+  
+  if(convert)
+    spherical_to_cartesian(x1in, y1in, z1in, &x1, &y1, &z1);
+  else {
+    x1=x1in;
+    y1=y1in;
+    z1=z1in;
+  }
+
+  if(degrees) angle = angle*D2R;
+
+  c = cos(angle);
+  s = sin(angle);
+
+  switch (axis) {
+  case 1:
+    x2 =  x1;
+    y2 =  c*y1 + s*z1;
+    z2 = -s*y1 + c*z1;
+    break;
+  case 2:
+    x2 = c*x1 - s*z1;
+    y2 = y1;
+    z2 = s*x1 + c*z1;
+    break;
+  case 3:
+    x2 =  c*x1 + s*y1;
+    y2 = -s*x1 + c*y1;
+    z2 = z1;
+    break;
+  default:
+    mpp_error("Invalid axis: must be 1 for X, 2 for Y, 3 for Z.");
+  }
+  
+  if(convert)
+    cartesian_to_spherical(x2, y2, z2, x2out, y2out, z2out);
+  else {
+    *x2out=x2;;
+    *y2out=y2;
+    *z2out=z2;
+    }
+} /* rot_3d */
+
+/*-------------------------------------------------------------
+  void cartesian_to_spherical(x, y, z, lon, lat, r)
+  may merge with xyz2latlon in the future
+  ------------------------------------------------------------*/
+void cartesian_to_spherical(double x, double y, double z, double *lon, double *lat, double *r)
+{
+
+  *r = sqrt(x*x + y*y + z*z);
+  if ( (fabs(x) + fabs(y)) < EPSLN )       /* poles */
+    *lon = 0.;
+  else
+    *lon = atan2(y,x);    /* range: [-pi,pi] */
+
+
+  *lat = acos(z/(*r)) - M_PI/2.;
+};/* cartesian_to_spherical */
+
+/*-------------------------------------------------------------------------------
+  void spherical_to_cartesian
+  convert from spheircal coordinates to xyz coords
+  may merge with latlon2xyz in the future
+  -----------------------------------------------------------------------------*/
+void spherical_to_cartesian(double lon, double lat, double r, double *x, double *y, double *z)
+{
+  *x = r * cos(lon) * cos(lat);
+  *y = r * sin(lon) * cos(lat);
+
+  *z = -r * sin(lat);
+} /* spherical_to_cartesian */
+
+
+/*****************************************************************
+   double* excess_of_quad(int ni, int nj, double *vec1, double *vec2, 
+                          double *vec3, double *vec4 )
+*******************************************************************/
+double excess_of_quad2(const double *vec1, const double *vec2, const double *vec3, const double *vec4 )
+{
+  double plane1[3], plane2[3], plane3[3], plane4[3];
+  double angle12, angle23, angle34, angle41, excess;
+  double ang12, ang23, ang34, ang41;
+  
+  plane_normal2(vec1, vec2, plane1);
+  plane_normal2(vec2, vec3, plane2);
+  plane_normal2(vec3, vec4, plane3);
+  plane_normal2(vec4, vec1, plane4);
+  angle12 = angle_between_vectors2(plane2,plane1);
+  angle23 = angle_between_vectors2(plane3,plane2);
+  angle34 = angle_between_vectors2(plane4,plane3);
+  angle41 = angle_between_vectors2(plane1,plane4);
+  ang12 = M_PI-angle12;
+  ang23 = M_PI-angle23;
+  ang34 = M_PI-angle34;
+  ang41 = M_PI-angle41;
+  excess = ang12+ang23+ang34+ang41-2*M_PI;
+  /*  excess = 2*M_PI - angle12 - angle23 - angle34 - angle41; */
+
+  return excess;
+
+}; /* excess_of_quad */
+
+/******************************************************************************* 
+double angle_between_vectors(const double *vec1, const double *vec2)
+*******************************************************************************/
+
+double angle_between_vectors2(const double *vec1, const double *vec2) {
+  int n;
+  double vector_prod, nrm1, nrm2;
+  double angle;
+  
+  vector_prod=vec1[0]*vec2[0] + vec1[1]*vec2[1] + vec1[2]*vec2[2];
+  nrm1=pow(vec1[0],2)+pow(vec1[1],2)+pow(vec1[2],2);
+  nrm2=pow(vec2[0],2)+pow(vec2[1],2)+pow(vec2[2],2);
+  if(nrm1*nrm2>0)
+    angle = acos( vector_prod/sqrt(nrm1*nrm2) );
+  else
+    angle = 0;
+  
+  return angle;
+}; /* angle_between_vectors */
+
+
+/***********************************************************************
+   double* plane_normal(int ni, int nj, double *P1, double *P2)
+***********************************************************************/
+
+void plane_normal2(const double *P1, const double *P2, double *plane)
+{
+  double mag;
+  
+  plane[0] = P1[1] * P2[2] - P1[2] * P2[1];
+  plane[1] = P1[2] * P2[0] - P1[0] * P2[2];
+  plane[2] = P1[0] * P2[1] - P1[1] * P2[0];
+  mag=sqrt(pow(plane[0],2) + pow(plane[1],2) + pow(plane[2],2));
+  if(mag>0) {
+    plane[0]=plane[0]/mag;
+    plane[1]=plane[1]/mag;
+    plane[2]=plane[2]/mag;
+  }
+  
+}; /* plane_normal */
+
+/******************************************************************
+
+  void calc_rotation_angle()
+
+******************************************************************/
+
+void calc_rotation_angle2(int nxp, double *x, double *y, double *angle_dx, double *angle_dy)
+{
+  int ip1, im1, jp1, jm1, tp1, tm1, i, j, n, ntiles, nx;
+  double lon_scale;
+
+  nx = nxp - 1;
+  ntiles = 6;
+  for(n=0; n<ntiles; n++) {
+    for(j=0; j<nxp; j++) {
+      for(i=0; i<nxp; i++) {
+	lon_scale = cos(y[n*nxp*nxp+j*nxp+i]*D2R);
+	tp1 = n;
+	tm1 = n;
+	ip1 = i+1;
+	im1 = i-1;
+	jp1 = j;
+	jm1 = j;
+
+        if(ip1 >= nxp) {  /* find the neighbor tile. */
+	  if(n % 2 == 0) { /* tile 1, 3, 5 */
+	    tp1 = n+1;
+	    ip1 = 0;
+	  }
+	  else { /* tile 2, 4, 6 */
+	    tp1 = n+2;
+	    if(tp1 >= ntiles) tp1 -= ntiles;
+	    ip1 = nx-j-1;
+	    jp1 = 0;
+	  }
+	}        
+        if(im1 < 0) {  /* find the neighbor tile. */
+	  if(n % 2 == 0) { /* tile 1, 3, 5 */
+	    tm1 = n-2;
+	    if(tm1 < 0) tm1 += ntiles;
+	    jm1 = nx;
+	    im1 = nx-j;
+	  }
+	  else { /* tile 2, 4, 6 */
+	    tm1 = n-1;
+	    im1 = nx;
+	  }
+	}
+
+	angle_dx[n*nxp*nxp+j*nxp+i] = atan2(y[tp1*nxp*nxp+jp1*nxp+ip1]-y[tm1*nxp*nxp+jm1*nxp+im1],
+					    (x[tp1*nxp*nxp+jp1*nxp+ip1]-x[tm1*nxp*nxp+jm1*nxp+im1])*lon_scale )*R2D;
+	tp1 = n;
+	tm1 = n;
+	ip1 = i;
+	im1 = i;
+	jp1 = j+1;
+	jm1 = j-1;
+        if(jp1 >=nxp) {  /* find the neighbor tile. */
+	  if(n % 2 == 0) { /* tile 1, 3, 5 */
+	    tp1 = n+2;
+	    if(tp1 >= ntiles) tp1 -= ntiles;
+	    jp1 = nx-i;
+	    ip1 = 0;
+	  }
+	  else { /* tile 2, 4, 6 */
+	    tp1 = n+1;
+	    if(tp1 >= ntiles) tp1 -= ntiles;
+	    jp1 = 0;
+	  }
+	}        
+        if(jm1 < 0) {  /* find the neighbor tile. */
+	  if(n % 2 == 0) { /* tile 1, 3, 5 */
+	    tm1 = n-1;
+	    if(tm1 < 0) tm1 += ntiles;
+	    jm1 = nx;
+	  }
+	  else { /* tile 2, 4, 6 */
+	    tm1 = n-2;
+	    if(tm1 < 0) tm1 += ntiles;
+	    im1 = nx;
+	    jm1 = nx-i;
+	  }
+	}	
+
+	angle_dy[n*nxp*nxp+j*nxp+i] = atan2(y[tp1*nxp*nxp+jp1*nxp+ip1]-y[tm1*nxp*nxp+jm1*nxp+im1],
+					    (x[tp1*nxp*nxp+jp1*nxp+ip1]-x[tm1*nxp*nxp+jm1*nxp+im1])*lon_scale )*R2D;
+      }
+    }
+  }
+
+}; /* calc_rotation_angle2 */
+
+
+/* This routine calculate center location based on the vertices location */
+void cell_center(int ni, const double *lonc, const double *latc, double *lont, double *latt)
+{
+
+  int    nip, i, j, p, p1, p2, p3, p4;
+  double *xc, *yc, *zc, *xt, *yt, *zt;
+  double dd;
+  
+  nip = ni+1;  
+  xc = (double *)malloc(nip*nip*sizeof(double));
+  yc = (double *)malloc(nip*nip*sizeof(double));
+  zc = (double *)malloc(nip*nip*sizeof(double));
+  xt = (double *)malloc(ni *ni *sizeof(double));
+  yt = (double *)malloc(ni *ni *sizeof(double));
+  zt = (double *)malloc(ni *ni *sizeof(double));  
+  latlon2xyz(nip*nip, lonc, latc, xc, yc, zc); 
+
+  for(j=0; j<ni; j++) for(i=0; i<ni; i++) {
+    p =  j*ni+i;
+    p1 = j*nip+i;
+    p2 = j*nip+i+1;
+    p3 = (j+1)*nip+i+1;
+    p4 = (j+1)*nip+i;
+    xt[p] = xc[p1] + xc[p2] + xc[p3] + xc[p4];
+    yt[p] = yc[p1] + yc[p2] + yc[p3] + yc[p4];
+    zt[p] = zc[p1] + zc[p2] + zc[p3] + zc[p4];
+
+    dd = sqrt(pow(xt[p],2) + pow(yt[p],2) + pow(zt[p],2) );
+    xt[p] /= dd;
+    yt[p] /= dd;
+    zt[p] /= dd;
+  }
+  xyz2latlon(ni*ni, xt, yt, zt, lont, latt);
+  free(zt);
+  free(yt);
+  free(xt);
+  free(zc);
+  free(yc);
+  free(xc);
+  
+}; /* cell_center */
+
+
+/* This routine calculate east location based on the vertices location */
+void cell_east(int ni, const double *lonc, const double *latc, double *lone, double *late)
+{
+
+  int    nip, i, j, p, p1, p2;
+  double *xc, *yc, *zc, *xe, *ye, *ze;
+  double dd;
+  
+  nip = ni+1;  
+  xc = (double *)malloc(nip*nip*sizeof(double));
+  yc = (double *)malloc(nip*nip*sizeof(double));
+  zc = (double *)malloc(nip*nip*sizeof(double));
+  xe = (double *)malloc(nip*ni *sizeof(double));
+  ye = (double *)malloc(nip*ni *sizeof(double));
+  ze = (double *)malloc(nip*ni *sizeof(double));  
+  latlon2xyz(nip*nip, lonc, latc, xc, yc, zc); 
+
+  for(j=0; j<ni; j++) for(i=0; i<nip; i++) {
+    p =  j*nip+i;
+    p1 = j*nip+i;
+    p2 = (j+1)*nip+i;
+    xe[p] = xc[p1] + xc[p2];
+    ye[p] = yc[p1] + yc[p2];
+    ze[p] = zc[p1] + zc[p2];
+
+    dd = sqrt(pow(xe[p],2) + pow(ye[p],2) + pow(ze[p],2) );
+    xe[p] /= dd;
+    ye[p] /= dd;
+    ze[p] /= dd;
+  }
+  xyz2latlon(nip*ni, xe, ye, ze, lone, late);
+  free(ze);
+  free(ye);
+  free(xe);
+  free(zc);
+  free(yc);
+  free(xc);
+  
+}; /* cell_east */
+
+
+/* This routine calculate center location based on the vertices location */
+void cell_north(int ni, const double *lonc, const double *latc, double *lonn, double *latn)
+{
+
+  int    nip, i, j, p, p1, p2;
+  double *xc, *yc, *zc, *xn, *yn, *zn;
+  double dd;
+  
+  nip = ni+1;  
+  xc = (double *)malloc(nip*nip*sizeof(double));
+  yc = (double *)malloc(nip*nip*sizeof(double));
+  zc = (double *)malloc(nip*nip*sizeof(double));
+  xn = (double *)malloc(ni *nip*sizeof(double));
+  yn = (double *)malloc(ni *nip*sizeof(double));
+  zn = (double *)malloc(ni *nip*sizeof(double));  
+  latlon2xyz(nip*nip, lonc, latc, xc, yc, zc); 
+
+  for(j=0; j<nip; j++) for(i=0; i<ni; i++) {
+    p =  j*ni+i;
+    p1 = j*nip+i;
+    p2 = j*nip+i+1;
+    xn[p] = xc[p1] + xc[p2];
+    yn[p] = yc[p1] + yc[p2];
+    zn[p] = zc[p1] + zc[p2];
+
+    dd = sqrt(pow(xn[p],2) + pow(yn[p],2) + pow(zn[p],2) );
+    xn[p] /= dd;
+    yn[p] /= dd;
+    zn[p] /= dd;
+  }
+  xyz2latlon(ni*nip, xn, yn, zn, lonn, latn);
+  free(zn);
+  free(yn);
+  free(xn);
+  free(zc);
+  free(yc);
+  free(xc);
+  
+}; /* cell_north */
diff --git a/gridspec_tools_20080702/tools/shared/create_grid_from_file.c b/gridspec_tools_20080702/tools/shared/create_grid_from_file.c
new file mode 100644
index 0000000..3dc60cc
--- /dev/null
+++ b/gridspec_tools_20080702/tools/shared/create_grid_from_file.c
@@ -0,0 +1,152 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <complex.h>
+#include <math.h>
+#include <string.h>
+#include "mosaic_util.h"
+#include "tool_util.h"
+#include "constant.h"
+#include "mpp_io.h"
+#include "create_hgrid.h"
+#define  D2R (M_PI/180.)
+#define  R2D (180./M_PI)
+
+/***********************************************************************
+  void create_grid_from_file( char *file, int *nlon, int *nlat, double *x, double *y, double *dx,
+                              double *dy, double *area, double *angle_dx )
+   the grid location is defined through ascii file. calculate cell length,
+   cell area and rotation angle  
+************************************************************************/
+void create_grid_from_file( char *file, int *nlon, int *nlat, double *x, double *y, double *dx, double *dy,
+           		    double *area, double *angle_dx )
+{
+  double *xb, *yb, *xt, *yt, *xc, *yc;
+  double p1[4], p2[4];
+  int nx, ny, nxp, nyp, ni, nj, i, j, n;
+  FILE *pFile;
+  char mesg[256], txt[128];
+  
+  /************************************************************
+     identify the grid_file is ascii file or netcdf file,
+     if the file name contains ".nc", it is a netcdf file,
+     otherwise it is ascii file.
+  *********************************************************/
+  nx  = *nlon;
+  ny  = *nlat;
+  nxp = nx + 1;
+  nyp = ny + 1;
+  if(strstr(file, ".nc") ) {
+    int fid, vid;
+
+    ni  = *nlon/2;
+    nj  = *nlat/2;
+    xc = (double *)malloc((ni+1)*(nj+1)*sizeof(double));
+    yc = (double *)malloc((ni+1)*(nj+1)*sizeof(double));
+    xt = (double *)malloc( ni   * nj   *sizeof(double));
+    yt = (double *)malloc( ni   * nj   *sizeof(double));
+    fid = mpp_open(file, MPP_READ);
+    vid = mpp_get_varid(fid, "grid_lon");
+    mpp_get_var_value(fid, vid, xc);
+    vid = mpp_get_varid(fid, "grid_lat");
+    mpp_get_var_value(fid, vid, yc);
+    vid = mpp_get_varid(fid, "grid_lont");
+    mpp_get_var_value(fid, vid, xt);
+    vid = mpp_get_varid(fid, "grid_latt");
+    mpp_get_var_value(fid, vid, yt);
+    mpp_close(fid);
+    for(j=0; j<nj+1; j++) for(i=0; i<ni+1; i++) {
+      x[j*2*nxp+i*2] = xc[j*(ni+1)+i];
+      y[j*2*nxp+i*2] = yc[j*(ni+1)+i];
+    }
+    for(j=0; j<nj; j++) for(i=0; i<ni; i++) {
+      x[(j*2+1)*nxp+i*2+1] = xt[j*ni+i];
+      y[(j*2+1)*nxp+i*2+1] = yt[j*ni+i];
+    }
+    for(j=0; j<nj+1; j++) for(i=0; i<ni; i++) {
+      x[j*2*nxp+i*2+1] = (xc[j*(ni+1)+i]+xc[j*(ni+1)+i+1])*0.5;
+      y[j*2*nxp+i*2+1] = (yc[j*(ni+1)+i]+yc[j*(ni+1)+i+1])*0.5;
+    }    
+    for(j=0; j<nj; j++) for(i=0; i<ni+1; i++) {
+      x[(j*2+1)*nxp+i*2] = (xc[j*(ni+1)+i]+xc[(j+1)*(ni+1)+i])*0.5;
+      y[(j*2+1)*nxp+i*2] = (yc[j*(ni+1)+i]+yc[(j+1)*(ni+1)+i])*0.5;
+    }
+
+    for(j=0; j<nyp; j++) for(i=0; i<nx; i++) {
+      p1[0] = x[j*nxp+i]; p2[0] = x[j*nxp+i+1];
+      p1[1] = y[j*nxp+i]; p2[1] = y[j*nxp+i+1];
+      dx[j*nx+i] = great_circle_distance(p1, p2);
+    }
+    for(j=0; j<ny; j++) for(i=0; i<nxp; i++) {
+      p1[0] = x[j*nxp+i]; p2[0] = x[(j+1)*nxp+i];
+      p1[1] = y[j*nxp+i]; p2[1] = y[(j+1)*nxp+i];
+      dy[j*nxp+i] = great_circle_distance(p1, p2);
+    }    
+    for(j=0; j<ny; j++) for(i=0; i<nx; i++) {
+      p1[0] = x[j*nxp+i]; p1[1] = x[j*nxp+i+1]; p1[2] = x[(j+1)*nxp+i+1]; p1[3] = x[(j+1)*nxp+i];
+      p2[0] = y[j*nxp+i]; p2[1] = y[j*nxp+i+1]; p2[2] = y[(j+1)*nxp+i+1]; p2[3] = y[(j+1)*nxp+i];
+      area[j*nx+i] = poly_area(p1, p2, 4);
+    }
+    /* currently set angle to 0 */
+    for(j=0; j<nyp; j++) for(i=0; i<nxp; i++) angle_dx[j*nxp+i] = 0;    
+    free(xt);
+    free(yt);
+    free(xc);
+    free(yc);
+  }
+  else {
+    pFile = fopen (file,"r");
+    if(!pFile) {
+      strcpy(mesg, "RegularSphericalGrid: Can not open ascii file ");
+      strcat(mesg,file);
+      mpp_error(mesg);
+    }
+
+    fscanf(pFile, "%s%*[^\n]",txt); /* header line (ignored) */
+    xb = (double *) malloc(nxp*sizeof(double));
+    yb = (double *) malloc(nyp*sizeof(double));
+    for(i=0;i<nxp;i++) 
+      fscanf(pFile, "%lg", xb+i); /* longitude */ 
+    fscanf(pFile, "%s%*[^\n]",txt); /* header line (ignored) */   
+    for(j=0;j<nyp;j++) fscanf(pFile, "%lg", yb+j); /* latitude */
+    
+    fclose(pFile);
+    n=0;
+    for(j=0; j<nyp; j++) {
+      for(i=0; i<nxp; i++) {
+	x[n]       = xb[i];
+	y[n]       = yb[j];
+	angle_dx[n++] = 0;   
+      }
+    }
+    /* zonal length */
+    n = 0;
+    for(j=0; j<nyp; j++) {
+      for(i=0; i<nx; i++ ) {
+	dx[n++] = spherical_dist(x[j*nxp+i], y[j*nxp+i], x[j*nxp+i+1], y[j*nxp+i+1] );
+      }
+    }
+
+    /* meridinal length */
+    n = 0;
+    for(j=0; j<ny; j++) {
+      for(i=0; i<nxp; i++ ) {
+	dy[n++] = spherical_dist(x[j*nxp+i], y[j*nxp+i], x[(j+1)*nxp+i], y[(j+1)*nxp+i] );
+      }
+    }
+
+    /* cell area */
+    n = 0;
+    for(j=0; j<ny; j++) {
+      for(i=0; i<nx; i++ ) {
+	area[n++] = box_area(x[j*nxp+i]*D2R, y[j*nxp+i]*D2R, x[(j+1)*nxp+i+1]*D2R, y[(j+1)*nxp+i+1]*D2R );
+      }
+    }
+
+    free(xb);
+    free(yb);
+  }
+}; /* create_grid_from_file */
+
+
+
+
diff --git a/gridspec_tools_20080702/tools/shared/create_lonlat_grid.c b/gridspec_tools_20080702/tools/shared/create_lonlat_grid.c
new file mode 100644
index 0000000..f562c69
--- /dev/null
+++ b/gridspec_tools_20080702/tools/shared/create_lonlat_grid.c
@@ -0,0 +1,406 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <complex.h>
+#include <math.h>
+#include <string.h>
+#include "mosaic_util.h"
+#include "interp.h"
+#include "tool_util.h"
+#include "constant.h"
+#include "create_hgrid.h"
+#define  D2R (M_PI/180.)
+#define  R2D (180./M_PI)
+
+/*********************************************************************************
+   some private routines used in this file
+*********************************************************************************/
+void set_regular_lonlat_grid( int nxp, int nyp, int isc, int iec, int jsc, int jec, double *xb, double *yb,
+			      double *x, double *y, double *dx, double *dy, double *area, double *angle );
+/************************************************************************************
+   void create_regular_lonlat_grid( int *nxbnds, int *nybnds, double *xbnds, double *ybnds,
+                                    int *nlon, int *nlat, int *isc, int *iec,
+                                    int *jsc, int *jec, double *x, double *y, double *dx,
+                                    double *dy, double *area, double *angle_dx )
+   calculate grid location, length, area and rotation angle.
+   The routine takes the following arguments
+
+   INPUT:
+
+   OUTPUT:
+
+************************************************************************************/
+void create_regular_lonlat_grid( int *nxbnds, int *nybnds, double *xbnds, double *ybnds,
+		         	 int *nlon, int *nlat, int *isc, int *iec,
+				 int *jsc, int *jec, double *x, double *y, double *dx,
+				 double *dy, double *area, double *angle_dx, const char *center )
+{
+  int nx, ny, nxp, nyp, nxb, nyb;
+  double *xb=NULL, *yb=NULL;
+  int refine;
+  
+  /* use cubic-spline interpolation algorithm to calculate nominal zonal grid location. */
+  nxb = *nxbnds;
+  nyb = *nybnds;
+
+  xb = compute_grid_bound(nxb, xbnds, nlon, &nx, center), 
+  nxp = nx + 1;
+  
+  yb = compute_grid_bound(nyb, ybnds, nlat, &ny, center), 
+  nyp = ny + 1;
+     
+  set_regular_lonlat_grid( nxp, nyp, *isc, *iec, *jsc, *jec, xb, yb, x, y, dx, dy, area, angle_dx);
+  free(xb);
+  free(yb);
+    
+}; /* create_regular_lonlat_grid */
+
+
+/************************************************************************************
+   void create_simple_cartesian_grid( double *xbnds, double *ybnds, int *nlon, int *nlat,
+                                      double *simple_dx, *simple_dy, int *isc, int *iec,
+				      int *jsc, int *jec, double *x, double *y,
+				      double *dx, double *dy, double *area, double *angle_dx )
+   calculate grid location, length, area and rotation angle.
+   The routine takes the following arguments
+
+   INPUT:
+
+   OUTPUT:
+
+************************************************************************************/
+void create_simple_cartesian_grid( double *xbnds, double *ybnds, int *nlon, int *nlat,
+				   double *simple_dx, double *simple_dy, int *isc, int *iec,
+				   int *jsc, int *jec, double *x, double *y,
+				   double *dx, double *dy, double *area, double *angle_dx )
+{
+  int nx, ny, nxp, nyp, i, j, n, nxc, nyc, nxb, nyb;
+  double *grid1=NULL, *grid2=NULL, *xb=NULL, *yb=NULL;
+
+  nxb = 2;
+  nyb = 2;
+  nx = *nlon;
+  ny = *nlat;
+  nxp = nx + 1;
+  nyp = ny + 1;  
+  /* use cubic-spline interpolation algorithm to calculate nominal zonal grid location. */
+  xb    = (double *)malloc(nxp*sizeof(double));
+  grid1 = (double *)malloc(nxb*sizeof(double));
+  grid1[0] = 1;
+  grid1[1] = nxp;
+  grid2 = (double *)malloc(nxp*sizeof(double));
+  for(i=0;i<nxp;i++) grid2[i] = i + 1.0;
+  cubic_spline( nxb, nxp, grid1, grid2, xbnds, xb, 1e30,1e30);
+  free(grid1);
+  free(grid2);
+
+  /* use cubic-spline interpolation algorithm to calculate nominal meridinal grid location. */
+  yb    = (double *)malloc(nyp*sizeof(double));
+  grid1 = (double *)malloc(nyb*sizeof(double));
+  grid1[0] = 1;
+  grid1[1] = nyp;
+  grid2 = (double *)malloc(nyp*sizeof(double));
+  for(j=0;j<nyp;j++) grid2[j] = j + 1.0;
+  cubic_spline( nyb, nyp, grid1, grid2, ybnds, yb, 1e30,1e30);
+  free(grid1);
+  free(grid2);
+
+  n = 0;
+  for(j=0; j<nyp; j++) {
+    for(i=0; i<nxp; i++) {
+      x[n] = xb[i];
+      y[n++] = yb[j];
+    }
+  }
+
+  nxc = *iec - *isc + 1;
+  nyc = *jec - *jsc + 1;
+  
+  for(n = 0; n< nxc*(nyc+1);     n++) dx[n] = *simple_dx;
+  for(n = 0; n< (nxc+1)*nyc;     n++) dy[n] = *simple_dy;
+  for(n = 0; n< nxc*nyc;         n++) area[n] = (*simple_dx)*(*simple_dy);
+  for(n = 0; n< (nxc+1)*(nyc+1); n++) angle_dx[n] = 0;
+  
+  free(xb);
+  free(yb);
+    
+}; /* create_simple_cartesian_grid */
+
+
+/*******************************************************************************
+   void create_spectral_grid( nt *nlon, int *nlat, int *isc, int *iec,
+                              int *jsc, int *jec, double *x, double *y, double *dx,
+                              double *dy, double *area, double *angle_dx )
+   generate spectral horizontal grid
+*******************************************************************************/
+void create_spectral_grid( int *nlon, int *nlat, int *isc, int *iec,
+			   int *jsc, int *jec, double *x, double *y, double *dx,
+			   double *dy, double *area, double *angle_dx )
+{
+  const int itermax = 10;
+  const double epsln = 1e-15;
+  int ni, nj, nx, ny, nxp, nyp, i, j, converge, iter;
+  double dlon, z, p1, p2, p3, z1, pp, a, b, c, d, sum_wts; 
+  double *xb, *yb, *lon, *lonb, *lat, *latb;
+  double *sin_hem, *wts_hem, *sin_lat, *wts_lat;
+  
+  nx = *nlon;
+  ny = *nlat;
+  nxp = nx + 1;
+  nyp = ny + 1;
+  ni = nx/2;
+  nj = ny/2;
+
+  xb = (double *) malloc(nxp*sizeof(double));
+  yb = (double *) malloc(nyp*sizeof(double));
+  lon     = (double *) malloc(ni    *sizeof(double));
+  lonb    = (double *) malloc((ni+1)*sizeof(double));
+  lat     = (double *) malloc(nj    *sizeof(double));
+  latb    = (double *) malloc((nj+1)*sizeof(double));
+  sin_hem = (double *) malloc(nj/2*sizeof(double));
+  wts_hem = (double *) malloc(nj/2*sizeof(double));
+  sin_lat = (double *) malloc(nj*sizeof(double));
+  wts_lat = (double *) malloc(nj*sizeof(double));
+  dlon = 360./ni;
+  for(i=0;i< ni;i++) lon[i] = i*dlon;
+  for(i=0;i<=ni;i++) lonb[i] = (i-0.5)*dlon;
+
+  for(j=0;j<nj/2;j++) {
+    converge = 0;
+    z = cos(M_PI*(j +0.75)/(nj + 0.5));
+    for(iter=1; iter<=itermax; i++){
+      p1 = 1.0;
+      p2 = 0.0;
+
+      for(i=1;i<=nj;i++) {
+        p3 = p2;
+        p2 = p1;
+        p1 = ((2.0*i - 1.0)*z*p2 - (i - 1.0)*p3)/i;
+      }
+
+      pp = nj*(z*p1 - p2)/(z*z - 1.0E+00);
+      z1 = z;
+      z  = z1 - p1/pp;
+      if(fabs(z - z1) < epsln ) {
+        converge = 1;
+	break;
+      }
+    }
+    if(! converge) mpp_error("create_spectral_grid: abscissas failed to converge "
+			     "in itermax iterations");
+    sin_hem [j]     = z;
+    wts_hem [j]     = 2.0/((1.0 - z*z)*pp*pp);
+  }
+
+  for(j=0;j<nj/2;j++) {
+    sin_lat[j]      = - sin_hem[j];
+    sin_lat[nj-1-j] =   sin_hem[j];
+    wts_lat[j]      =   wts_hem[j];
+    wts_lat[nj-1-j] =   wts_hem[j];
+  }
+
+  for(j=0;j<nj;j++){
+    lat[j]    = asin(sin_lat[j])*R2D;
+  }
+
+  latb[0] = -90.;
+  latb[nj] = 90.;
+  for(j=1;j<nj;j++) {
+    sum_wts = sum_wts + wts_lat[j-1];
+    latb[j] = asin(sum_wts-1.)*R2D;
+  }
+
+  for(i=0;i<=ni;i++) xb[i*2]   = lonb[i];
+  for(i=0;i<ni; i++) xb[i*2+1] = lon[i];
+  for(j=0;j<=nj;j++) yb[j*2]   = latb[j];
+  for(j=0;j<nj; j++) yb[j*2+1] = lat[j];
+
+  set_regular_lonlat_grid( nxp, nyp, *isc, *iec, *jsc, *jec, xb, yb, x, y, dx, dy, area, angle_dx );
+  free(xb);
+  free(yb);
+  free(lon);
+  free(lonb);
+  free(lat);
+  free(latb);
+  free(sin_hem);
+  free(wts_hem);
+  free(sin_lat);
+  free(wts_lat); 
+  
+}; /* create_spectral_grid */
+
+/*******************************************************************************
+   void set_regular_lonlat_grid( int nxp, int nyp, int isc, int iec, int jsc, int jec,
+                                 double *xb, double *yb, double *x, double *y,
+                                 double *dx, double *dy, double *area, double *angle )
+   set geographic grid location, calculate grid length, area and rotation angle
+   x and y are on global domain, the other fields are on compute domain 
+*******************************************************************************/
+void set_regular_lonlat_grid( int nxp, int nyp, int isc, int iec, int jsc, int jec, double *xb, double *yb,
+			      double *x, double *y, double *dx, double *dy, double *area, double *angle )
+{
+  int n, i, j;
+  
+  n = 0;
+  for(j=0; j<nyp; j++) {
+    for(i=0; i<nxp; i++) {
+      x[n]   = xb[i];
+      y[n++] = yb[j];
+    }
+  }
+  /* zonal length */
+  n = 0;
+  for(j=jsc; j<=jec+1; j++) {
+    for(i=isc; i<=iec; i++ ) {
+      dx[n++] = spherical_dist(x[j*nxp+i], y[j*nxp+i], x[j*nxp+i+1], y[j*nxp+i+1] );
+    }
+  }
+
+  /* meridinal length */
+  n = 0;
+  for(j=jsc; j<=jec; j++) {
+    for(i=isc; i<=iec+1; i++ ) {
+      dy[n++] = spherical_dist(x[j*nxp+i], y[j*nxp+i], x[(j+1)*nxp+i], y[(j+1)*nxp+i] );
+    }
+  }
+
+  /* cell area */
+  n = 0;
+  for(j=jsc; j<=jec; j++) {
+    for(i=isc; i<=iec; i++ ) {
+      area[n++] = box_area(x[j*nxp+i]*D2R, y[j*nxp+i]*D2R, x[(j+1)*nxp+i+1]*D2R, y[(j+1)*nxp+i+1]*D2R );
+    }
+  }
+
+  /* rotation angle */
+  n = 0;
+  for(j=jsc; j<=jec+1; j++) {
+    for(i=isc; i<=iec+1; i++ ) angle[n++] = 0;   
+  }
+
+};  /* set_regular_lonlat_grid */
+
+
+/*******************************************************************************
+   void create_tripolar_grid( int int nxbnds, int nybnds, double *xbnds, double *ybnds,
+                              int *nlon, int *nlat, double *lat_join_in, int *isc, int *iec,
+                              int *jsc, int *jec, double *x, double *y, double *dx, double *dy,
+			      double *area, double *angle_dx )
+   create tripolar grid infomrmation
+********************************************************************************/
+void create_tripolar_grid( int *nxbnds, int *nybnds, double *xbnds, double *ybnds,
+			   int *nlon, int *nlat, double *lat_join_in, int *isc, int *iec,
+			   int *jsc, int *jec, double *x, double *y, double *dx, double *dy,
+			   double *area, double *angle_dx, const char *center )
+{
+  int nxb, nyb, i, j, nx, ny, nxp, nyp, j_join, n, ip1, ii, n_count;
+  double lat_join, lon_start, lon_end, lon_bpeq, lon_bpnp, lon_bpsp;
+  double lam0, rp, lon_last, lon_scale;
+  double *xb, *yb;
+  double x_poly[20], y_poly[20];
+  
+  nxb = *nxbnds;
+  nyb = *nybnds;
+
+  xb = compute_grid_bound(nxb, xbnds, nlon, &nx, center), 
+  nxp = nx + 1;
+  
+  yb = compute_grid_bound(nyb, ybnds, nlat, &ny, center), 
+  nyp = ny + 1;
+
+  n = 0;
+  for(j=0; j<nyp; j++) {
+    for(i=0; i<nxp; i++) {
+      x[n] = xb[i];
+      y[n++] = yb[j];
+    }
+  }
+
+  lat_join = *lat_join_in;
+  j_join = nearest_index(lat_join, yb, nyp);
+  lat_join  = yb[j_join];
+  lon_start = xbnds[0];
+  lon_end   = xbnds[1];  
+  lon_bpeq = lon_start + 90. ;
+  lon_bpnp = lon_start;
+  lon_bpsp = lon_start+180.;
+  
+  if(*lat_join_in != lat_join) {
+    if(mpp_pe() == mpp_root_pe() )printf("NOTE: Change join latitude from %f to %f\n",*lat_join_in, lat_join);
+  }
+  /**********************************************************************
+     Transform from bipolar grid coordinates (bp_lon, bp_lat) to
+     geographic coordinates (geolon_t, geolat_t) following R. Murray,
+     "Explicit generation of orthogonal grids for ocean models",
+     1996, J.Comp.Phys., v. 126, p. 251-273.  All equation
+     numbers refer to the Murray paper.
+  **********************************************************************/
+
+  lam0 = fmod(lon_bpeq*D2R + 2*M_PI, 2*M_PI);
+  rp = tan((0.5*M_PI-lat_join*D2R)/2.);        /* eqn. 2 */
+
+  /*   calculate zonal length */
+  n = 0;
+  for(j=*jsc;j<=*jec+1;j++){
+    for(i=*isc;i<=*iec;i++){
+      if(j < j_join )  /* regular grid region */
+        dx[n++] = spherical_dist(x[j*nxp+i], y[j*nxp+i], x[j*nxp+i+1], y[j*nxp+i+1]);
+      else /*bipolar region */
+	dx[n++] = bipolar_dist(x[j*nxp+i], y[j*nxp+i], x[j*nxp+i+1], y[j*nxp+i+1], lon_bpeq, lon_bpsp, lon_bpnp, rp );
+    }
+  }
+  
+  /*   calculate meridinal length */
+  n = 0;
+  for(j=*jsc;j<=*jec;j++){
+    for(i=*isc;i<=*iec+1;i++){
+      if(j < j_join )  /* regular grid region */
+        dy[n++] = spherical_dist(x[j*nxp+i], y[j*nxp+i], x[(j+1)*nxp+i], y[(j+1)*nxp+i]);
+      else /*bipolar region */
+	dy[n++] = bipolar_dist(x[j*nxp+i], y[j*nxp+i], x[(j+1)*nxp+i], y[(j+1)*nxp+i], lon_bpeq, lon_bpsp, lon_bpnp, rp );
+    }
+  }
+  
+  /*define tripolar grid location */
+  for(j=j_join;j<nyp;j++) {
+    for(i=0;i<nxp;i++) {
+      lon_last = x[j*nxp+max(i-1,0)];
+      tp_trans(&(x[j*nxp+i]),&(y[j*nxp+i]),lon_last,lon_start, lam0, lon_bpeq, lon_bpsp, lon_bpnp, rp);
+    }
+  }
+
+ /*calculte cell area */
+  n = 0;
+  for(j=*jsc;j<=*jec;j++){
+    for(i=*isc;i<=*iec;i++){
+      if(j < j_join) 
+	area[n++] = box_area(x[j*nxp+i]*D2R, y[j*nxp+i]*D2R, x[(j+1)*nxp+i+1]*D2R, y[(j+1)*nxp+i+1]*D2R);
+      else {
+	x_poly[0] = x[j*nxp+i]*D2R;       y_poly[0] = y[j*nxp+i]*D2R;
+	x_poly[1] = x[j*nxp+i+1]*D2R;     y_poly[1] = y[j*nxp+i+1]*D2R;
+	x_poly[2] = x[(j+1)*nxp+i+1]*D2R; y_poly[2] = y[(j+1)*nxp+i+1]*D2R;
+	x_poly[3] = x[(j+1)*nxp+i]*D2R;   y_poly[3] = y[(j+1)*nxp+i]*D2R;
+        n_count = fix_lon(x_poly, y_poly, 4, M_PI);
+	area[n++] = poly_area(x_poly, y_poly, n_count);
+      }
+    }
+  }  
+  
+  /*calculte rotation angle at cell vertex */
+  n = 0;
+  for(j=*jsc;j<=(*jec)+1;j++){
+    for(i=*isc;i<=(*iec)+1;i++){
+      if(j < j_join) 
+	angle_dx[n++] = 0.0;
+      else {
+	lon_scale = cos(y[j*nxp+i]*D2R);
+	if(i==0 || i == nx ) /* always at the boundary */
+	  angle_dx[n++] = 0;
+	else
+	  angle_dx[n++] = atan2(y[j*nxp+i+1]-y[j*nxp+i-1],(x[j*nxp+i+1]-x[j*nxp+i-1])*lon_scale)*R2D;
+      }
+    }
+  }
+  
+}; /* create_tripolar_grid */
+
+
diff --git a/gridspec_tools_20080702/tools/shared/create_vgrid.c b/gridspec_tools_20080702/tools/shared/create_vgrid.c
new file mode 100644
index 0000000..6e84402
--- /dev/null
+++ b/gridspec_tools_20080702/tools/shared/create_vgrid.c
@@ -0,0 +1,43 @@
+#include <stdlib.h>
+#include "create_vgrid.h"
+#include "tool_util.h"
+
+/***********************************************************************
+   void create_vgrid(int nbnds, double *bnds, int *nz, char center, double *zeta)
+   This routine is used to create vertical grid. The created grid is on super grid.
+   the refinement is assumed to be 2.
+
+   INPUT:
+      nbnds:  number of vertical regions for varying resolution.      
+      bnds:   boundaries for defining vertical regions of varying resolution.
+              The size of bnds is nz.
+      nz:     Number of model grid points for each vertical regions of varying resolution.
+              The size of nz will be nz-1
+      center: grid cell center location. Its value can be 'N', 'T' or 'C' with default
+              value 'N'. When the value is 'N', supergrid location will be calculated.
+              When the value is 'T', model grid corner location will be calculated,
+              other grid location of the supergrid will be derived through T-cell
+              centered condition. When the value is 'C', model grid corner location will
+              be calculated, other grid location of the supergrid will be derived through
+              C-cell centered condition.
+
+   OUTPUT:
+      zeta:   created vertical grid location.
+
+***********************************************************************/
+
+void create_vgrid(int nbnds, double *bnds, int *nz, double *zeta, const char *center)
+{
+  int i, np;
+  double *zb=NULL;
+
+  
+  zb = compute_grid_bound(nbnds, bnds, nz, &np, center);
+  np++;
+  
+  for(i=0; i<np; i++) zeta[i] =zb[i];
+
+  free(zb);
+    
+  
+}; /* create_vgrid */
diff --git a/gridspec_tools_20080702/tools/shared/fregrid_util.c b/gridspec_tools_20080702/tools/shared/fregrid_util.c
new file mode 100644
index 0000000..2e12176
--- /dev/null
+++ b/gridspec_tools_20080702/tools/shared/fregrid_util.c
@@ -0,0 +1,1597 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include <string.h>
+#include "fregrid_util.h"
+#include "mpp_io.h"
+#include "mosaic_util.h"
+#include "gradient_c2l.h"
+
+#define D2R (M_PI/180)
+#define R2D (180/M_PI)
+#define EPSLN (1.e-10)
+void init_halo(double *var, int nx, int ny, int nz, int halo);
+void update_halo(int nx, int ny, int nz, double *data, Bound_config *bound, Data_holder *dHold);
+void setup_boundary(const char *mosaic_file, int ntiles, Grid_config *grid, Bound_config *bound, int halo, int position);
+void delete_bound_memory(int ntiles, Bound_config *bound);
+/*******************************************************************************
+  void setup_tile_data_file(Mosaic_config mosaic, const char *filename)
+  This routine will setup the data file name for each tile.
+*******************************************************************************/
+
+void set_mosaic_data_file(int ntiles, const char *mosaic_file, const char *dir, File_config *file,
+			  const char *filename)
+{
+  char   str1[STRING]="", str2[STRING]="", tilename[STRING]="";
+  int    i, n, len, fid, vid;
+  size_t start[4], nread[4];
+
+  len = strlen(filename); 
+  if( strstr(filename, ".nc") ) 
+    strncpy(str1, filename, len-3);
+  else
+    strcpy(str1, filename);
+  if(dir) {
+    if(strlen(dir)+strlen(str1) >= STRING)mpp_error("set_mosaic_data_file(fregrid_util): length of str1 + "
+						    "length of dir should be no greater than STRING");
+    sprintf(str2, "%s/%s", dir, str1);
+  }
+  else
+    strcpy(str2, str1);
+  
+  for(i=0; i<4; i++) {
+    start[i] = 0; nread[i] = 1;
+  }
+  nread[1] = STRING;
+  if(ntiles > 1) {
+    if(!mosaic_file) mpp_error("fregrid_util: when ntiles is greater than 1, mosaic_file should be defined");
+    fid = mpp_open(mosaic_file, MPP_READ);
+    vid = mpp_get_varid(fid, "gridtiles");
+  }
+  for(i = 0; i < ntiles; i++) {
+    start[0] = i;
+    if(ntiles > 1) {
+      mpp_get_var_value_block(fid, vid, start, nread, tilename);
+      if(strlen(str2) + strlen(tilename) > STRING -5) mpp_error("set_mosaic_data_file(fregrid_util): length of str2 + "
+								"length of tilename should be no greater than STRING-5");
+      sprintf(file[i].name, "%s.%s.nc", str2, tilename);
+    }
+    else 
+      sprintf(file[i].name, "%s.nc", str2);
+  }
+
+}; /* setup_data_file */
+
+/*******************************************************************************
+  void set_scalar_var()
+*******************************************************************************/
+void set_field_struct(int ntiles, Field_config *field, int nvar, char * varname, File_config *file)
+{
+  int  n, i;
+  
+  if(nvar == 0) return;
+ 
+  for(n=0; n<ntiles; n++) {
+    field[n].file = file[n].name;
+    field[n].fid = &(file[n].fid);
+    field[n].nvar = nvar;
+    field[n].var = (Var_config *)malloc(nvar*sizeof(Var_config)); 
+    for(i=0; i<nvar; i++) 
+      strcpy(field[n].var[i].name, varname+i*STRING);
+  }
+
+}; /* set_field_var */
+
+
+/*******************************************************************************
+  void get_mosaic_grid()
+
+*******************************************************************************/
+void get_input_grid(int ntiles, Grid_config *grid, Bound_config *bound_T, const char *mosaic_file, unsigned int opcode)
+{
+  int         n, m1, m2, i, j, l, ind1, ind2, nlon, nlat;
+  int         ts, tw, tn, te, halo, nbound;
+  int         m_fid, g_fid, vid;
+  int         *nx, *ny;
+  double      *x, *y;
+  char         grid_file[256], filename[256], dir[256];
+  size_t        start[4], nread[4];
+  Data_holder *dHold;
+  Bound_config *bound_C;
+  
+  halo = 0;
+  if(opcode & BILINEAR) halo = 1;
+  for(n=0; n<4; n++) {
+    start[n] = 0; nread[n] = 1;
+  }
+
+  bound_C = (Bound_config *)malloc(ntiles*sizeof(Bound_config));
+  nx = (int *)malloc(ntiles * sizeof(int) );
+  ny = (int *)malloc(ntiles * sizeof(int) );
+
+  m_fid = mpp_open(mosaic_file, MPP_READ);
+  get_file_path(mosaic_file, dir);
+  for(n=0; n<ntiles; n++) {
+    start[0] = n; start[1] = 0; nread[0] = 1; nread[1] = STRING;
+    vid = mpp_get_varid(m_fid, "gridfiles");
+    mpp_get_var_value_block(m_fid, vid, start, nread, filename);
+    sprintf(grid_file, "%s/%s", dir, filename);
+    g_fid = mpp_open(grid_file, MPP_READ);
+    
+    nx[n] = mpp_get_dimlen(g_fid, "nx");
+    ny[n] = mpp_get_dimlen(g_fid, "ny");
+    if(nx[n]%2) mpp_error("fregrid_util(get_input_grid): the size of dimension nx should be even (on supergrid)");
+    if(ny[n]%2) mpp_error("fregrid_util(get_input_grid): the size of dimension ny should be even (on supergrid)");
+    nx[n] /= 2;
+    ny[n] /= 2;
+    grid[n].halo = halo;
+    grid[n].nx   = nx[n];
+    grid[n].ny   = ny[n];
+    grid[n].nxc  = nx[n];
+    grid[n].nyc  = ny[n];
+    
+    /* get supergrid */
+    x = (double *)malloc((2*nx[n]+1)*(2*ny[n]+1)*sizeof(double));
+    y = (double *)malloc((2*nx[n]+1)*(2*ny[n]+1)*sizeof(double));
+
+    vid = mpp_get_varid(g_fid, "x");
+    mpp_get_var_value(g_fid, vid, x);
+    vid = mpp_get_varid(g_fid, "y");
+    mpp_get_var_value(g_fid, vid, y);
+    grid[n].lont = (double *) malloc((nx[n]+2)*(ny[n]+2)*sizeof(double));
+    grid[n].latt = (double *) malloc((nx[n]+2)*(ny[n]+2)*sizeof(double));
+    grid[n].lonc = (double *) malloc((nx[n]+1+2*halo)*(ny[n]+1+2*halo)*sizeof(double));
+    grid[n].latc = (double *) malloc((nx[n]+1+2*halo)*(ny[n]+1+2*halo)*sizeof(double));
+    if(halo>0) {
+      init_halo(grid[n].lonc, nx[n]+1, ny[n]+1, 1, halo);
+      init_halo(grid[n].latc, nx[n]+1, ny[n]+1, 1, halo);
+    }
+    for(j=0; j<=ny[n]; j++) for(i=0; i<=nx[n]; i++) {
+      ind1 = (j+halo)*(nx[n]+1+2*halo)+i+halo;
+      ind2 = 2*j*(2*nx[n]+1)+2*i;
+      grid[n].lonc[ind1] = x[ind2]*D2R;
+      grid[n].latc[ind1] = y[ind2]*D2R;
+    }
+    for(j=0; j<ny[n]; j++) for(i=0; i<nx[n]; i++) {
+      ind1 = (j+1)*(nx[n]+2)+i+1;
+      ind2 = (2*j+1)*(2*nx[n]+1)+2*i+1;
+      grid[n].lont[ind1] = x[ind2]*D2R;
+      grid[n].latt[ind1] = y[ind2]*D2R;
+    }
+    init_halo(grid[n].lont, nx[n], ny[n], 1, 1);
+    init_halo(grid[n].latt, nx[n], ny[n], 1, 1);
+    
+    if(opcode & CONSERVE_ORDER2 || opcode & BILINEAR ) {
+      grid[n].vlon_t = (double *) malloc(3*(nx[n]+2*halo)*(ny[n]+2*halo)*sizeof(double));
+      grid[n].vlat_t = (double *) malloc(3*(nx[n]+2*halo)*(ny[n]+2*halo)*sizeof(double));
+      grid[n].xt     = (double *) malloc((nx[n]+2)*(ny[n]+2)*sizeof(double));
+      grid[n].yt     = (double *) malloc((nx[n]+2)*(ny[n]+2)*sizeof(double));
+      grid[n].zt     = (double *) malloc((nx[n]+2)*(ny[n]+2)*sizeof(double));
+    }
+    /* if vector, need to get rotation angle */
+    /* we assume the grid is orthogonal */
+    if( opcode & VECTOR ) {
+      if( opcode & AGRID) {
+	double *angle;
+      	angle          = (double *) malloc((2*nx[n]+1)*(2*ny[n]+1)*sizeof(double));
+	grid[n].cosrot = (double *) malloc(nx[n]*ny[n]*sizeof(double));	 
+	grid[n].sinrot = (double *) malloc(nx[n]*ny[n]*sizeof(double));
+	vid = mpp_get_varid(g_fid, "angle_dx");
+	mpp_get_var_value(g_fid, vid, angle);
+	grid[n].rotate = 0;
+	for(j=0; j<ny[n]; j++) for(i=0; i<nx[n]; i++) {
+          m1 = j*nx[n]+i;
+	  m2 = (2*j+2)*(2*nx[n]+2)+2*i+2;
+	  grid[n].cosrot[m1] = cos(angle[m2]*D2R);
+	  grid[n].sinrot[m1] = sin(angle[m2]*D2R);
+	  if(fabs(grid[n].sinrot[m1]) > EPSLN) grid[n].rotate = 1;
+	}
+	free(angle);
+      }
+    }
+    free(x);
+    free(y);
+    mpp_close(g_fid);
+  }
+
+  mpp_close(m_fid);
+  
+  /* get the boundary condition */
+  setup_boundary(mosaic_file, ntiles, grid, bound_T, 1, CENTER);
+  if(opcode & BILINEAR)
+    setup_boundary(mosaic_file, ntiles, grid, bound_C, 1, CORNER);
+
+  for(n=0; n<ntiles; n++) {
+    nlon = grid[n].nx;
+    nlat = grid[n].ny;
+    nbound = bound_T[n].nbound;
+    if(nbound > 0 ) {
+      dHold = (Data_holder *)malloc(nbound*sizeof(Data_holder));
+      for(l=0; l<nbound; l++) {
+	dHold[l].data = grid[bound_T[n].tile2[l]].lont;
+	dHold[l].nx = grid[bound_T[n].tile2[l]].nx+2;
+	dHold[l].ny = grid[bound_T[n].tile2[l]].ny+2;
+      }
+      update_halo(nlon+2, nlat+2, 1, grid[n].lont, &(bound_T[n]), dHold );
+      for(l=0; l<nbound; l++) dHold[l].data = grid[bound_T[n].tile2[l]].latt;
+      update_halo(nlon+2, nlat+2, 1, grid[n].latt, &(bound_T[n]), dHold );
+	
+      for(l=0; l<nbound; l++) dHold[l].data = NULL;
+      free(dHold);
+    }
+  }
+  
+  if(opcode & BILINEAR) {
+
+  }
+  
+  /* for bilinear interpolation, need to get cell-center grid */
+  if(opcode & BILINEAR) {
+    /*--- fill the halo of corner cell */
+    for(n=0; n<ntiles; n++) {
+      nlon = grid[n].nx;
+      nlat = grid[n].ny;
+      latlon2xyz((nlon+2)*(nlat+2), grid[n].lont, grid[n].latt, grid[n].xt, grid[n].yt, grid[n].zt);
+      unit_vect_latlon((nlon+2)*(nlat+2), grid[n].lont, grid[n].latt, grid[n].vlon_t, grid[n].vlat_t);
+      nbound = bound_C[n].nbound;
+      if(nbound > 0) {
+	dHold = (Data_holder *)malloc(nbound*sizeof(Data_holder));
+	for(l=0; l<nbound; l++) {
+	  dHold[l].data = grid[bound_C[n].tile2[l]].lonc;
+	  dHold[l].nx   = grid[bound_C[n].tile2[l]].nx + 1 + 2*halo;
+	  dHold[l].ny   = grid[bound_C[n].tile2[l]].ny + 1 + 2*halo;
+	}
+	update_halo(nlon+1+2*halo, nlat+1+2*halo, 1, grid[n].lonc, &(bound_C[n]), dHold);
+	for(l=0; l<nbound; l++) dHold[l].data = grid[bound_C[n].tile2[l]].latc;
+	
+	update_halo(nlon+1+2*halo, nlat+1+2*halo, 1, grid[n].latc, &(bound_C[n]), dHold);
+	for(l=0; l<nbound; l++) dHold[l].data = NULL;
+	free(dHold);
+      }
+    }
+  }
+  else if(opcode & CONSERVE_ORDER2) {
+    double p1[3], p2[3], p3[3], p4[3];
+    
+    for(n=0; n<ntiles; n++) {
+      int is_true = 1;
+      nlon = grid[n].nx;
+      nlat = grid[n].ny;
+      /* calculate dx, dy, area */
+      grid[n].dx     = (double *)malloc(nlon    *(nlat+1)*sizeof(double));
+      grid[n].dy     = (double *)malloc((nlon+1)*nlat    *sizeof(double));
+      grid[n].area   = (double *)malloc(nlon    *nlat    *sizeof(double));
+      grid[n].edge_w = (double *)malloc(         (nlat+1)*sizeof(double));
+      grid[n].edge_e = (double *)malloc(         (nlat+1)*sizeof(double));
+      grid[n].edge_s = (double *)malloc((nlon+1)         *sizeof(double));
+      grid[n].edge_n = (double *)malloc((nlon+1)         *sizeof(double));
+      grid[n].en_n   = (double *)malloc(3*nlon  *(nlat+1)*sizeof(double));
+      grid[n].en_e   = (double *)malloc(3*(nlon+1)*nlat  *sizeof(double));
+      calc_c2l_grid_info(&nlon, &nlat, grid[n].lont, grid[n].latt, grid[n].lonc, grid[n].latc,
+			 grid[n].dx, grid[n].dy, grid[n].area, grid[n].edge_w, grid[n].edge_e,
+			 grid[n].edge_s, grid[n].edge_n, grid[n].en_n, grid[n].en_e,
+			 grid[n].vlon_t, grid[n].vlat_t, &is_true, &is_true, &is_true, &is_true);
+    }
+  }
+
+  if(opcode & BILINEAR) delete_bound_memory(ntiles, bound_C);
+  free(bound_C);
+  free(nx);
+  free(ny);
+}; /* get_input_grid */ 
+
+/*******************************************************************************
+  void get_output_grid_from_mosaic(Mosaic_config *mosaic)
+
+*******************************************************************************/
+void get_output_grid_from_mosaic(int ntiles, Grid_config *grid, const char *mosaic_file, unsigned int opcode)
+{
+  int         n, i, j, ii, jj, npes, layout[2];
+  int         m_fid, g_fid, vid;
+  int         *nx, *ny;
+  double      *x, *y;
+  size_t        start[4], nread[4];
+  char         grid_file[256], filename[256], dir[256];
+  
+  if(opcode & BILINEAR) mpp_error("fregrid_util: for bilinear interpolation, output grid can not got from mosaic file");
+  
+  npes   = mpp_npes();
+  nx = (int *)malloc(ntiles * sizeof(int) );
+  ny = (int *)malloc(ntiles * sizeof(int) );
+
+  for(n=0; n<4; n++) {
+    start[n] = 0;
+    nread[n] = 1;
+  }
+  m_fid = mpp_open(mosaic_file, MPP_READ);
+  get_file_path(mosaic_file, dir);
+  
+  for(n=0; n<ntiles; n++) {
+    start[0] = n; start[1] = 0; nread[0] = 1; nread[1] = STRING;
+    vid = mpp_get_varid(m_fid, "gridfiles");
+    mpp_get_var_value_block(m_fid, vid, start, nread, filename);
+    sprintf(grid_file, "%s/%s", dir, filename);
+    g_fid = mpp_open(grid_file, MPP_READ);
+    nx[n] = mpp_get_dimlen(g_fid, "nx");
+    ny[n] = mpp_get_dimlen(g_fid, "ny");
+    if(nx[n]%2) mpp_error("fregrid_util(get_output_grid_from_mosaic): the size of dimension nx should be even (on supergrid)");
+    if(ny[n]%2) mpp_error("fregrid_util(get_output_grid_from_mosaic): the size of dimension ny should be even (on supergrid)");
+    nx[n] /= 2;
+    ny[n] /= 2;
+    grid[n].nx = nx[n];
+    grid[n].ny = ny[n];
+    /* to be able to reprocessor count, layout need to be set as follwoing */
+    layout[0] = 1;
+    layout[1] = npes;
+    mpp_define_domain2d(grid[n].nx, grid[n].ny, layout, 0, 0, &(grid[n].domain));
+    mpp_get_compute_domain2d(grid[n].domain, &(grid[n].isc), &(grid[n].iec), &(grid[n].jsc), &(grid[n].jec));
+    grid[n].nxc = grid[n].iec - grid[n].isc + 1;
+    grid[n].nyc = grid[n].jec - grid[n].jsc + 1;
+
+    grid[n].lonc  = (double *) malloc((grid[n].nxc+1)*(grid[n].nyc+1)*sizeof(double));
+    grid[n].latc  = (double *) malloc((grid[n].nxc+1)*(grid[n].nyc+1)*sizeof(double));
+    
+    grid[n].lont1D = (double *) malloc(nx[n]*sizeof(double));
+    grid[n].latt1D = (double *) malloc(ny[n]*sizeof(double));
+    grid[n].lonc1D = (double *) malloc((nx[n]+1)*sizeof(double));
+    grid[n].latc1D = (double *) malloc((ny[n]+1)*sizeof(double));
+    x = (double *) malloc((2*nx[n]+1)*(2*ny[n]+1)*sizeof(double));
+    y = (double *) malloc((2*nx[n]+1)*(2*ny[n]+1)*sizeof(double));
+    vid = mpp_get_varid(g_fid, "x");
+    mpp_get_var_value(g_fid, vid, x);
+    vid = mpp_get_varid(g_fid, "y");
+    mpp_get_var_value(g_fid, vid, y);
+    for(j=0; j<=grid[n].nyc; j++) for(i=0; i<=grid[n].nxc; i++) {
+      jj = 2*(j + grid[n].jsc);
+      ii = 2*(i + grid[n].isc);
+      grid[n].lonc[j*(grid[n].nxc+1)+i] = x[jj*(2*nx[n]+1)+ii] * D2R;
+      grid[n].latc[j*(grid[n].nxc+1)+i] = y[jj*(2*nx[n]+1)+ii] * D2R;
+    }
+    for(i=0; i<nx[n]+1; i++) grid[n].lonc1D[i] = x[i] * D2R;
+    for(j=0; j<ny[n]+1; j++) grid[n].latc1D[j] = y[j*(nx[n]+1)] * D2R;
+
+    for(i=0; i<nx[n]; i++) grid[n].lont1D[i] = x[2*nx[n]+1+2*i+1] * D2R;
+    for(j=0; j<ny[n]; j++) grid[n].latt1D[j] = y[(2*j+1)*(2*nx[n]+1) + 1] * D2R;
+    free(x);
+    free(y);
+      
+    /* if vector, need to get rotation angle */
+    /* we assume the grid is orthogonal */
+    if(opcode & VECTOR) {
+      if(opcode & AGRID) {
+	double *angle; 
+	angle          = (double *) malloc((2*nx[n]+1)*(2*ny[n]+1)*sizeof(double));
+	grid[n].cosrot = (double *) malloc(nx[n]*ny[n]*sizeof(double));	 
+	grid[n].sinrot = (double *) malloc(nx[n]*ny[n]*sizeof(double));
+	vid = mpp_get_varid(g_fid, "angle_dx");
+	mpp_get_var_value(g_fid, vid, angle);
+	grid[n].rotate = 0;
+	for(j=0; j<grid[n].nyc; j++) for(i=0; i<grid[n].nxc; i++) {
+	  jj = 2*(j + grid[n].jsc);
+	  ii = 2*(i + grid[n].isc);
+	  grid[n].cosrot[j*grid[n].nxc+i] = cos(angle[jj*(2*nx[n]+1)+ii]*D2R);
+	  grid[n].sinrot[j*grid[n].nxc+i] = sin(angle[jj*(2*nx[n]+1)+ii]*D2R);
+	  if(fabs(grid[n].sinrot[j*grid[n].nxc+i]) > EPSLN) grid[n].rotate = 1;
+	}
+	free(angle);
+      }
+    }
+    mpp_close(g_fid);
+  }
+
+  mpp_close(m_fid);
+  
+  free(nx);
+  free(ny);
+}; /* get_output_grid_from_mosaic*/ 
+
+/*******************************************************************************
+  void get_output_grid_by_size(Mosaic_config *mosaic, int nlon, int nlat, int finer_steps, unsigned int opcode)
+  calculate output grid based on nlon, nlat and finer steps.
+
+*******************************************************************************/
+void get_output_grid_by_size(int ntiles, Grid_config *grid, double lonbegin, double lonend, double latbegin, double latend,
+			     int nlon, int nlat, int finer_steps, int center_y, unsigned int opcode)
+{
+  double      dlon, dlat, lon_fine, lat_fine, lon_range, lat_range;
+  int         nx_fine, ny_fine, i, j, layout[2];
+  int nxc, nyc, ii, jj;
+  
+  if(ntiles !=1) mpp_error("fregrid_utils: ntiles of output mosaic must be 1 for bilinear interpolation");
+  if(finer_steps && !(opcode&BILINEAR)) mpp_error("fregrid_util: finer_steps must be 0 when interp_method is not bilinear");
+  
+  grid->nx      = nlon;
+  grid->ny      = nlat;
+  grid->nx_fine = pow(2,finer_steps)*nlon;
+  grid->ny_fine = pow(2,finer_steps)*(nlat-1)+1;
+  nx_fine       = grid->nx_fine;
+  ny_fine       = grid->ny_fine;
+  lon_range     = lonend - lonbegin;
+  lat_range     = latend - latbegin;
+
+  grid->lont1D = (double *)malloc(nlon*sizeof(double));
+  grid->latt1D = (double *)malloc(nlat*sizeof(double));
+  grid->lonc1D = (double *)malloc((nlon+1)*sizeof(double));
+  grid->latc1D = (double *)malloc((nlat+1)*sizeof(double));
+
+  dlon=lon_range/nlon;
+  for(i=0; i<nlon; i++) grid->lont1D[i]  = (lonbegin + (i + 0.5)*dlon)*D2R;
+  for(i=0; i<=nlon; i++) grid->lonc1D[i] = (lonbegin + i*dlon)*D2R;
+
+  layout[0] = 1;
+  layout[1] = mpp_npes();
+  mpp_define_domain2d(grid->nx, grid->ny, layout, 0, 0, &(grid->domain));
+  mpp_get_compute_domain2d(grid->domain, &(grid->isc), &(grid->iec), &(grid->jsc), &(grid->jec));
+  grid->nxc = grid->iec - grid->isc + 1;
+  grid->nyc = grid->jec - grid->jsc + 1;
+  nxc       = grid->nxc;
+  nyc       = grid->nyc;
+  if(center_y) {
+    dlat=lat_range/nlat;
+    for(j=0; j<nlat; j++) grid->latt1D[j] = (latbegin+(j+0.5)*dlat)*D2R;
+    for(j=0; j<=nlat; j++) grid->latc1D[j] = (latbegin+j*dlat)*D2R;
+  }
+  else {
+    dlat=lat_range/(nlat-1);
+    for(j=0; j<nlat; j++) grid->latt1D[j] = (latbegin+j*dlat)*D2R;
+    for(j=0; j<=nlat; j++) grid->latc1D[j] = (latbegin+(j-0.5)*dlat)*D2R;
+  }
+  
+  if(opcode & BILINEAR) {
+    grid->latt1D_fine = (double *)malloc(ny_fine*sizeof(double));
+    grid->lont   = (double *)malloc(nx_fine*ny_fine*sizeof(double));
+    grid->latt   = (double *)malloc(nx_fine*ny_fine*sizeof(double));
+    grid->xt     = (double *)malloc(nx_fine*ny_fine*sizeof(double));
+    grid->yt     = (double *)malloc(nx_fine*ny_fine*sizeof(double));  
+    grid->zt     = (double *)malloc(nx_fine*ny_fine*sizeof(double));  
+    grid->vlon_t = (double *)malloc(3*nx_fine*ny_fine*sizeof(double));
+    grid->vlat_t = (double *)malloc(3*nx_fine*ny_fine*sizeof(double));  
+
+    dlon = lon_range/nx_fine;
+    for(i=0; i<nx_fine; i++) {
+      lon_fine = (lonbegin + (i + 0.5)*dlon)*D2R;
+      for(j=0; j<ny_fine; j++) grid->lont[j*nx_fine+i] = lon_fine;
+    }
+    if(center_y) {
+      dlat=lat_range/ny_fine;
+      for(j=0; j<ny_fine; j++)grid->latt1D_fine[j] = (latbegin+(j+0.5)*dlat)*D2R;
+    }
+    else {
+      dlat = lat_range/(ny_fine-1);
+      for(j=0; j<ny_fine; j++) grid->latt1D_fine[j] = (latbegin+j*dlat)*D2R;
+     
+    }
+    for(j=0; j<ny_fine; j++) for(i=0; i<nx_fine; i++) {
+      grid->latt[j*nx_fine+i] = grid->latt1D_fine[j];
+    }
+    /* get the cartesian coordinates */  
+    latlon2xyz(nx_fine*ny_fine, grid->lont, grid->latt, grid->xt, grid->yt, grid->zt);
+
+    unit_vect_latlon(nx_fine*ny_fine, grid->lont, grid->latt, grid->vlon_t, grid->vlat_t);
+  
+  }
+  else { /* for conservative interpolation */
+
+    grid->lonc  = (double *) malloc((nxc+1)*(nyc+1)*sizeof(double));
+    grid->latc  = (double *) malloc((nxc+1)*(nyc+1)*sizeof(double));
+    for(j=0; j<=nyc; j++) {
+      jj = j + grid->jsc;
+      for(i=0; i<=nxc; i++) {
+	ii = i + grid->isc;
+	grid->lonc[j*(nxc+1)+i] = grid->lonc1D[ii];
+	grid->latc[j*(nxc+1)+i] = grid->latc1D[jj];
+      }
+    }
+    if(opcode & VECTOR) { /* no rotation is needed for regular lat-lon grid. */
+      grid->rotate = 0;
+    }
+  }
+  
+}; /* get_output_grid_by_size */
+  
+/*******************************************************************************
+  void get_input_metadata(Mosaic_config, *mosaic)
+*******************************************************************************/
+void get_input_metadata(int ntiles, int nfiles, File_config *file1, File_config *file2,
+		        Field_config *scalar, Field_config *u_comp, Field_config *v_comp,
+			const Grid_config *grid, int kbegin, int kend, int lbegin, int lend)
+{
+  int     n, m, i, l, ll, nscalar, nvector, nfield;
+  int     ndim, dimsize[4], nz;
+  nc_type type[4];
+  char    cart[4];
+  char    dimname[4][STRING], bndname[4][STRING], errmsg[STRING];
+  File_config  *file  = NULL;
+  Field_config *field = NULL;
+  size_t start[4], nread[4];
+  
+  /* First find out how many fields in file and file2. */
+  nscalar = 0;
+  nvector = 0;
+  if( scalar) nscalar = scalar->nvar;
+  if( u_comp) nvector = u_comp->nvar;
+
+  for(n=0; n<4; n++) {
+    start[n] = 0; nread[n] = 1;
+  }
+  
+  for(m=0; m<nfiles; m++) {
+    file = m==0? file1:file2;  
+    for(n=0; n<ntiles; n++) {
+      file[n].nt        = 1;
+      file[n].axis      = (Axis_config *)malloc(MAXDIM*sizeof(Axis_config));
+      file[n].ndim      = 0;
+      file[n].has_tavg_info = 0;
+    }
+  }
+             
+  for(l=0; l<nscalar; l++) for(n=0; n<ntiles; n++) {
+    scalar[n].var[l].nz        = 1;
+    scalar[n].var[l].has_zaxis = 0;
+    scalar[n].var[l].has_taxis = 0;
+    scalar[n].var[l].kstart    = 0;
+    scalar[n].var[l].kend      = 0;
+    scalar[n].var[l].lstart    = 0;
+    scalar[n].var[l].lend      = 0;
+  }
+    
+  for(l=0; l<nvector; l++) for(n=0; n<ntiles; n++) {
+    u_comp[n].var[l].nz        = 1;
+    u_comp[n].var[l].has_zaxis = 0;
+    u_comp[n].var[l].has_taxis = 0;
+    u_comp[n].var[l].kstart    = 0;
+    u_comp[n].var[l].kend      = 0;
+    u_comp[n].var[l].lstart    = 0;
+    u_comp[n].var[l].lend      = 0;
+    v_comp[n].var[l].nz        = 1;
+    v_comp[n].var[l].has_zaxis = 0;
+    v_comp[n].var[l].has_taxis = 0;
+    v_comp[n].var[l].kstart    = 0;
+    v_comp[n].var[l].kend      = 0;
+    v_comp[n].var[l].lstart    = 0;
+    v_comp[n].var[l].lend      = 0;   
+  }
+  
+  nfield = (nfiles == 1)? (nscalar+2*nvector):nvector;  /* when nfiles = 2, no scalar */
+  
+  for(m=0; m<nfiles; m++) {
+    file = m==0? file1:file2;
+    for(n=0; n<ntiles; n++) {
+      for(l=0; l<nfield; l++) {
+	if(nfiles == 1) {
+	  if(l<nscalar) {
+	    field = scalar;
+	    ll = l;
+	  }
+	  else if(l<nscalar + nvector) {
+	    field = u_comp;
+	    ll = l - nscalar;
+	  }
+	  else {
+	    field = v_comp;
+	    ll = l - nscalar - nvector;
+	  }
+	}
+	else {
+	  ll = l;
+	  field = (m==0)?u_comp:v_comp;
+	}
+
+      	field[n].var[ll].vid = mpp_get_varid(file[n].fid, field[n].var[ll].name);
+	field[n].var[ll].type  = mpp_get_var_type(file[n].fid, field[n].var[ll].vid);
+        /* check if time_avg_info attribute existed in any variables */
+	if(!file[n].has_tavg_info) {
+	  if(mpp_var_att_exist(file[n].fid, field[n].var[ll].vid, "time_avg_info") ) file[n].has_tavg_info = 1;
+	}
+	ndim = mpp_get_var_ndim(file[n].fid, field[n].var[ll].vid);
+	
+	for(i=0; i<ndim; i++) {
+	  int vid;
+          mpp_get_var_dimname(file[n].fid, field[n].var[ll].vid, i, dimname[i]);
+	  dimsize[i] = mpp_get_dimlen(file[n].fid, dimname[i]);
+	  vid = mpp_get_varid(file[n].fid, dimname[i]);
+	  cart[i] = mpp_get_var_cart(file[n].fid, vid);
+	  type[i] = mpp_get_var_type(file[n].fid, vid);
+	  mpp_get_var_bndname(file[n].fid, vid, bndname[i]);
+      	}
+	field[n].var[ll].ndim = ndim;
+	if(ndim <2 || ndim>4) mpp_error("get_input_metadata(fregrid_util.c): ndim should be no less than 2 and no larger than 4");
+	if(cart[ndim-1] != 'X') mpp_error("get_input_metadata(fregrid_util.c): the last dimension cartesian should be 'X'");
+	if(cart[ndim-2] != 'Y') mpp_error("get_input_metadata(fregrid_util.c): the second last dimension cartesian should be 'Y'");
+	if(dimsize[ndim-1] != grid[n].nx) mpp_error("get_input_metadata(fregrid_util.c): x-size in grid file in not the same as in data file");
+	if(dimsize[ndim-2] != grid[n].ny) mpp_error("get_input_metadata(fregrid_util.c): y-size in grid file in not the same as in data file");	
+	if(cart[0] == 'Z' || cart[1] == 'Z') {
+	  field[n].var[ll].has_zaxis = 1;
+	  field[n].var[ll].nz        = cart[0] == 'Z'? dimsize[0]:dimsize[1];
+	  /* the selected vertical level should be between 1 and nz. */
+	  if(kend > field[n].var[ll].nz) {
+	    sprintf(errmsg, "get_input_metadata(fregrid_util.c): KlevelEnd should be no larger than "
+		    "number of vertical levels of field %s in file %s.", field[n].var[ll].name, file[n].name);
+	    mpp_error(errmsg);
+	  }
+	  if(kbegin>0) {
+	    field[n].var[ll].kstart = kbegin - 1;
+	    field[n].var[ll].kend   = kend - 1;
+	    field[n].var[ll].nz     = kend - kbegin + 1;
+	  }
+	  else {
+	    field[n].var[ll].kstart = 0;
+	    field[n].var[ll].kend   = field[n].var[ll].nz - 1;
+	  }
+	}
+	if(cart[0] == 'T') {
+	  field[n].var[ll].has_taxis = 1;
+	  if(lend > dimsize[0]) {
+	    sprintf(errmsg, "get_input_metadata(fregrid_util.c): LstepEnd should be no larger than "
+		    "number of time levels of field %s in file %s.", field[n].var[ll].name, file[n].name);
+	    mpp_error(errmsg);
+	  }
+	  if(lbegin>0) {
+	    field[n].var[ll].lstart = lbegin - 1;
+	    field[n].var[ll].lend   = lend - 1;
+	    file[n].nt              = lend - lbegin + 1;
+	  }
+	  else {
+	    field[n].var[ll].lstart = 0;
+	    field[n].var[ll].lend   = dimsize[0] - 1;
+	    file[n].nt              = dimsize[0];
+	  }
+	    
+	}
+	for(i=0; i<ndim; i++) {
+	  /* loop through all the file dimensions to see if the dimension already exist or not */
+	  int found, j; 
+	  found = 0;
+	  for(j=0; j<file[n].ndim; j++) {
+	    if(!strcmp(dimname[i], file[n].axis[j].name) ) {
+	      found = 1;
+	      field[n].var[ll].index[i] = j;
+	      break;
+	    }
+	  }
+	  if(!found) {
+	    j                         = file[n].ndim;
+	    field[n].var[ll].index[i] = file[n].ndim;
+	    file[n].ndim++;
+            if(	file[n].ndim > MAXDIM) mpp_error("get_input_metadata(fregrid_util.c):ndim is greater than MAXDIM");
+
+	    file[n].axis[j].cart = cart[i];
+	    file[n].axis[j].type = type[i];
+	    strcpy(file[n].axis[j].name, dimname[i]);
+	    strcpy(file[n].axis[j].bndname, bndname[i]);
+	    file[n].axis[j].vid = mpp_get_varid(file[n].fid, dimname[i]);
+	    if(cart[i] == 'T') {
+	      start[0] = field[n].var[ll].lstart;
+	      file[n].axis[j].size = file[n].nt;
+	    }
+	    else if(cart[i] == 'Z') {
+	      start[0] = field[n].var[ll].kstart;
+	      file[n].axis[j].size = field[n].var[ll].nz;
+	    }
+	    else {
+	      start[0] = 0;
+               file[n].axis[j].size = dimsize[i];
+	    }
+	    file[n].axis[j].data = (double *)malloc(file[n].axis[j].size*sizeof(double));
+	    nread[0] = file[n].axis[j].size;
+	    mpp_get_var_value_block(file[n].fid, file[n].axis[j].vid, start, nread, file[n].axis[j].data);
+	    file[n].axis[j].bndtype = 0;
+	    if(strcmp(bndname[i], "none") ) {
+	      file[n].axis[j].bndid = mpp_get_varid(file[n].fid, bndname[i]);
+	      if(mpp_get_var_ndim(file[n].fid,file[n].axis[j].bndid) == 1) {
+		file[n].axis[j].bndtype = 1;
+		file[n].axis[j].bnddata = (double *)malloc((file[n].axis[j].size+1)*sizeof(double));
+		nread[0] = file[n].axis[j].size+1;
+	      }
+	      else {
+	        file[n].axis[j].bndtype = 2;
+		file[n].axis[j].bnddata = (double *)malloc(2*file[n].axis[j].size*sizeof(double));
+		nread[0] = file[n].axis[j].size; nread[1] = 2;
+	      }
+	      mpp_get_var_value_block(file[n].fid, file[n].axis[j].bndid, start, nread, file[n].axis[j].bnddata);
+	    }
+	  }
+	} /*ndim*/
+      }  /* nvar */
+    } /* ntile */
+    /* make sure the consistency between tiles */
+    for(n=1; n<ntiles; n++) {
+      if(file[n].has_tavg_info != file[0].has_tavg_info)
+	mpp_error("get_input_metadata(fregrid_util.c): mismatch between tiles for field attribute has_tavg_info");
+      
+      if(file[n].ndim != file[0].ndim)
+	mpp_error("get_input_metadata(fregrid_util.c): mismatch between tiles for file ndim");
+      for(l=0; l<file[n].ndim; l++) {
+	if(strcmp(file[n].axis[l].name, file[0].axis[l].name) )
+	   mpp_error("get_input_metadata(fregrid_util.c): mismatch between tiles for file axis name");
+      }
+      for(l=0; l<nscalar+2*nvector; l++) {
+	if(l<nscalar) {
+	  field = scalar;
+	  ll = l;
+	}
+	else if(l<nscalar + nvector) {
+	  field = u_comp;
+	  ll = l - nscalar;
+	}
+	else {
+	  field = v_comp;
+	  ll = l - nscalar - nvector;
+	}      
+	if(field[n].var[ll].ndim != field[0].var[ll].ndim)
+	  mpp_error("get_input_metadata(fregrid_util.c): mismatch between tiles for var ndim");
+	for(i=0; i<field[n].var[ll].ndim; i++) {  
+	  if(field[n].var[ll].index[i] != field[0].var[ll].index[i])
+	    mpp_error("get_input_metadata(fregrid_util.c): mismatch between tiles for var dimindex");
+	}
+      }
+    }
+    /* close the file and get the tavg_info */
+    for(n=0; n<ntiles; n++) {
+      if(file[n].has_tavg_info) {
+
+	file[n].t1    = (double *)malloc(file[n].nt*sizeof(double));
+	file[n].t2    = (double *)malloc(file[n].nt*sizeof(double));	
+	file[n].dt    = (double *)malloc(file[n].nt*sizeof(double));
+	file[n].id_t1 = mpp_get_varid(file[n].fid, "average_T1");
+	file[n].id_t2 = mpp_get_varid(file[n].fid, "average_T2");
+	file[n].id_dt = mpp_get_varid(file[n].fid, "average_DT");
+	if(lbegin > 0) 
+	  start[0] = lbegin-1;
+	else
+	  start[0] = 0;
+	  nread[0] = file[n].nt; nread[1] = 1; 
+	mpp_get_var_value_block(file[n].fid, file[n].id_t1, start, nread, file[n].t1);
+	mpp_get_var_value_block(file[n].fid, file[n].id_t2, start, nread, file[n].t2);	
+	mpp_get_var_value_block(file[n].fid, file[n].id_dt, start, nread, file[n].dt);
+      }
+    }
+
+  } /*nfile*/
+
+}; /* get_input_metadata */
+  
+
+/*******************************************************************************
+void set_output_metadata ( Mosaic_config *mosaic)
+*******************************************************************************/
+
+void set_output_metadata (int ntiles_in, int nfiles, const File_config *file1_in, const File_config *file2_in,
+			  const Field_config *scalar_in, const Field_config *u_in, const Field_config *v_in,
+			  int ntiles_out, File_config *file1_out, File_config *file2_out, Field_config *scalar_out,
+			  Field_config *u_out, Field_config *v_out, const Grid_config *grid_out,
+			  const char *history, const char *tagname)
+{
+  int m, n, ndim, i, l, dims[4];
+  int dim_bnds, dim_time;
+  int nscalar, nvector;
+  const File_config *file_in = NULL;
+  File_config *file_out = NULL;
+
+  nscalar = 0;
+  nvector = 0;
+  if( scalar_in) nscalar = scalar_in->nvar;
+  if( u_in)      nvector = u_in->nvar;
+  for(n=0; n<ntiles_out; n++) {
+    for(l=0; l<nscalar; l++) {
+      scalar_out[n].var[l].kstart      = scalar_in[0].var[l].kstart;
+      scalar_out[n].var[l].kend        = scalar_in[0].var[l].kend;
+      scalar_out[n].var[l].lstart      = scalar_in[0].var[l].lstart;
+      scalar_out[n].var[l].lend        = scalar_in[0].var[l].lend;
+      scalar_out[n].var[l].nz          = scalar_in[0].var[l].nz;
+      scalar_out[n].var[l].has_zaxis   = scalar_in[0].var[l].has_zaxis;
+      scalar_out[n].var[l].has_taxis   = scalar_in[0].var[l].has_taxis;
+      scalar_out[n].var[l].ndim        = scalar_in[0].var[l].ndim;
+      for(i=0; i<scalar_in[0].var[l].ndim; i++) scalar_out[n].var[l].index[i] = scalar_in[0].var[l].index[i];
+    }
+    
+    for(l=0; l<nvector; l++) {
+      u_out[n].var[l].ndim        = u_in[0].var[l].ndim;
+      v_out[n].var[l].ndim        = v_in[0].var[l].ndim;
+      for(i=0; i<u_in[0].var[l].ndim; i++) u_out[n].var[l].index[i] = u_in[0].var[l].index[i];
+      for(i=0; i<v_in[0].var[l].ndim; i++) v_out[n].var[l].index[i] = v_in[0].var[l].index[i];
+      u_out[n].var[l].kstart      = u_in[0].var[l].kstart;
+      u_out[n].var[l].kend        = u_in[0].var[l].kend;
+      u_out[n].var[l].lstart      = u_in[0].var[l].lstart;
+      u_out[n].var[l].lend        = u_in[0].var[l].lend;
+      u_out[n].var[l].nz          = u_in[0].var[l].nz;
+      u_out[n].var[l].has_zaxis   = u_in[0].var[l].has_zaxis;
+      u_out[n].var[l].has_taxis   = u_in[0].var[l].has_taxis;
+      v_out[n].var[l].kstart      = v_in[0].var[l].kstart;
+      v_out[n].var[l].kend        = v_in[0].var[l].kend;
+      v_out[n].var[l].lstart      = v_in[0].var[l].lstart;
+      v_out[n].var[l].lend        = v_in[0].var[l].lend;
+      v_out[n].var[l].nz          = v_in[0].var[l].nz;
+      v_out[n].var[l].has_zaxis   = v_in[0].var[l].has_zaxis;
+      v_out[n].var[l].has_taxis   = v_in[0].var[l].has_taxis;
+    }
+  }
+  
+  for(m=0; m<nfiles; m++) {
+    file_in  = m==0? file1_in:file2_in;
+    file_out = m==0? file1_out:file2_out;
+    for(n=0; n<ntiles_out; n++) {
+      char tilename[STRING];
+      file_out[n].nt        = file_in[0].nt;
+      ndim                  = file_in[0].ndim;
+      file_out[n].ndim      = ndim;
+      file_out[n].axis      = (Axis_config *)malloc(ndim*sizeof(Axis_config));
+      file_out[n].has_tavg_info = file_in[0].has_tavg_info;
+      
+      for(i=0; i<ndim; i++) {
+	file_out[n].axis[i].cart = file_in[0].axis[i].cart;
+	file_out[n].axis[i].size = file_in[0].axis[i].size;
+	if(file_out[n].axis[i].cart == 'X') file_out[n].axis[i].size = grid_out[n].nx;
+	if(file_out[n].axis[i].cart == 'Y') file_out[n].axis[i].size = grid_out[n].ny;	
+	file_out[n].axis[i].type    = file_in[0].axis[i].type;
+	file_out[n].axis[i].bndtype = file_in[0].axis[i].bndtype;
+	strcpy(file_out[n].axis[i].name, file_in[0].axis[i].name);
+	strcpy(file_out[n].axis[i].bndname, file_in[0].axis[i].bndname);
+      }
+      for(i=0; i<ndim; i++) {
+	file_out[n].axis[i].data = (double *)malloc(file_out[n].axis[i].size*sizeof(double));
+	if( file_out[n].axis[i].cart == 'X' ) {   /* x-axis */
+	  for(l=0; l<file_out[n].axis[i].size; l++) 
+	    file_out[n].axis[i].data[l] = grid_out[n].lont1D[l]*R2D; /* T-cell center */
+	}
+	else if ( file_out[n].axis[i].cart == 'Y') { /* y-axis */
+	  for(l=0; l<file_out[n].axis[i].size; l++) 
+	    file_out[n].axis[i].data[l] = grid_out[n].latt1D[l]*R2D; /* T-cell center */
+	}	  
+	else { /* z or t axis */
+	  for(l=0; l<file_out[n].axis[i].size; l++) 
+	    file_out[n].axis[i].data[l] = file_in[0].axis[i].data[l];
+	}
+	switch( file_out[n].axis[i].bndtype ) {
+	case 1:
+	  file_out[n].axis[i].bnddata = (double *)malloc((file_out[n].axis[i].size+1)*sizeof(double));
+	  if( file_out[n].axis[i].cart == 'X' ) {   /* x-axis */
+	    for(l=0; l<=file_out[n].axis[i].size; l++) file_out[n].axis[i].bnddata[l] = grid_out[n].lonc1D[l]*R2D;
+	  }
+	  else if(file_out[n].axis[i].cart == 'Y') {
+	    for(l=0; l<=file_out[n].axis[i].size; l++) file_out[n].axis[i].bnddata[l  ] = grid_out[n].latc1D[l]*R2D;
+	  }
+	  else {
+	    for(l=0; l<=file_out[n].axis[i].size; l++) file_out[n].axis[i].bnddata[l] = file_in[0].axis[i].bnddata[l];
+	  }
+	  break;
+     	case 2:
+	  file_out[n].axis[i].bnddata = (double *)malloc(2*file_out[n].axis[i].size*sizeof(double));
+	  if( file_out[n].axis[i].cart == 'X' ) {   /* x-axis */
+	    for(l=0; l<file_out[n].axis[i].size; l++) {
+	      file_out[n].axis[i].bnddata[2*l  ] = grid_out[n].lonc[l]*R2D;
+	      file_out[n].axis[i].bnddata[2*l+1] = grid_out[n].lonc[l+1]*R2D;
+	    }
+	  }
+	  else if(file_out[n].axis[i].cart == 'Y') {
+	    for(l=0; l<file_out[n].axis[i].size; l++) {
+	      file_out[n].axis[i].bnddata[2*l  ] = grid_out[n].latc[l]*R2D;
+	      file_out[n].axis[i].bnddata[2*l+1] = grid_out[n].latc[l+1]*R2D;
+	    }
+	  }
+	  else {
+	    for(l=0; l<file_out[n].axis[i].size; l++) {
+	      file_out[n].axis[i].bnddata[2*l  ] = file_in[0].axis[i].bnddata[2*l];
+	      file_out[n].axis[i].bnddata[2*l+1] = file_in[0].axis[i].bnddata[2*l+1];
+	    }
+	  }
+	  break;	  
+	}
+      }
+      if(mpp_pe() == mpp_root_pe()) {
+	file_out[n].fid = mpp_open(file_out[n].name, MPP_WRITE);
+	mpp_copy_global_att(file_in[0].fid, file_out[n].fid);
+	mpp_def_global_att(file_out[n].fid, "history", history);
+	mpp_def_global_att(file_out[n].fid, "code_version", tagname);
+	/* define dim_bnds if bnds axis exist */
+	for(i=0; i<ndim; i++) {
+	  if(file_out[n].axis[i].bndtype == 2) {
+	    dim_bnds = mpp_def_dim(file_out[n].fid, "bnds", 2);
+	    break;
+	  }
+	}
+	for(i=0; i<ndim; i++) {
+	  if(file_out[n].axis[i].cart=='T') {
+	    file_out[n].axis[i].dimid = mpp_def_dim(file_out[n].fid, file_out[n].axis[i].name, NC_UNLIMITED);
+	    dim_time = file_out[n].axis[i].dimid;
+	  }
+	  else
+	    file_out[n].axis[i].dimid = mpp_def_dim(file_out[n].fid, file_out[n].axis[i].name, file_out[n].axis[i].size);
+	  file_out[n].axis[i].vid = mpp_def_var(file_out[n].fid, file_out[n].axis[i].name, file_out[n].axis[i].type, 1,
+						  &(file_out[n].axis[i].dimid), 0);
+	  mpp_copy_var_att(file_in[0].fid, file_in[0].axis[i].vid, file_out[n].fid, file_out[n].axis[i].vid);
+	  switch( file_out[n].axis[i].bndtype ) {
+	  case 1:
+	    dims[0] = mpp_def_dim(file_out[n].fid, file_out[n].axis[i].bndname, file_out[n].axis[i].size+1);
+	    file_out[n].axis[i].bndid = mpp_def_var(file_out[n].fid, file_out[n].axis[i].bndname, file_out[n].axis[i].type, 1, dims , 0);
+	    mpp_copy_var_att(file_in[0].fid, file_in[0].axis[i].bndid, file_out[n].fid, file_out[n].axis[i].bndid);
+	    break;
+	  case 2:
+	    dims[0] = file_out[n].axis[i].dimid;
+	    dims[1] = dim_bnds;
+	    file_out[n].axis[i].bndid = mpp_def_var(file_out[n].fid, file_out[n].axis[i].bndname, file_out[n].axis[i].type, 2, dims , 0);
+	    mpp_copy_var_att(file_in[0].fid, file_in[0].axis[i].bndid, file_out[n].fid, file_out[n].axis[i].bndid);
+	    break;
+	  }
+	    
+	}
+
+	/* define the field meta data */
+	for(l=0; l<nscalar; l++) {
+	  scalar_out[n].var[l].type = scalar_in[0].var[l].type;
+	  for(i=0; i<scalar_out[n].var[l].ndim; i++) dims[i] = file_out[n].axis[scalar_out[n].var[l].index[i]].dimid;
+	  scalar_out[n].var[l].vid = mpp_def_var(file_out[n].fid, scalar_out[n].var[l].name, scalar_out[n].var[l].type,
+						   scalar_out[n].var[l].ndim, dims, 0); 
+	  mpp_copy_var_att(file_in[0].fid, scalar_in[0].var[l].vid, file_out[n].fid, scalar_out[n].var[l].vid);
+	}
+	for(l=0; l<nvector; l++) {
+	  if(m==0) {
+	    u_out[n].var[l].type = u_in[0].var[l].type;
+	    for(i=0; i<u_out[n].var[l].ndim; i++) dims[i] = file_out[n].axis[u_out[n].var[l].index[i]].dimid;
+	    u_out[n].var[l].vid = mpp_def_var(file_out[n].fid, u_out[n].var[l].name, u_out[n].var[l].type,
+			        		u_out[n].var[l].ndim, dims, 0); 
+	    mpp_copy_var_att(file_in[0].fid, u_in[0].var[l].vid, file_out[n].fid, u_out[n].var[l].vid);
+	  }
+	  if(m==1 || nfiles == 1) {
+	    v_out[n].var[l].type = v_in[0].var[l].type;
+	    for(i=0; i<v_out[n].var[l].ndim; i++) dims[i] = file_out[n].axis[v_out[n].var[l].index[i]].dimid;
+	    v_out[n].var[l].vid = mpp_def_var(file_out[n].fid, v_out[n].var[l].name, v_out[n].var[l].type,
+						v_out[n].var[l].ndim, dims, 0); 
+	    mpp_copy_var_att(file_in[0].fid, v_in[0].var[l].vid, file_out[n].fid, v_out[n].var[l].vid);
+	  }
+	}
+	/* define time avg info variables */
+	if(file_out[n].has_tavg_info) {
+	  int ll;
+	  file_out[n].id_t1 = mpp_def_var(file_out[n].fid, "average_T1", NC_DOUBLE, 1, &dim_time, 0);
+	  mpp_copy_var_att(file_in[0].fid, file_in[0].id_t1, file_out[n].fid, file_out[n].id_t1);
+	  file_out[n].id_t2 = mpp_def_var(file_out[n].fid, "average_T2", NC_DOUBLE, 1, &dim_time, 0);
+	  mpp_copy_var_att(file_in[0].fid, file_in[0].id_t2, file_out[n].fid, file_out[n].id_t2);	  
+	  file_out[n].id_dt = mpp_def_var(file_out[n].fid, "average_DT", NC_DOUBLE, 1, &dim_time, 0);
+	  mpp_copy_var_att(file_in[0].fid, file_in[0].id_dt, file_out[n].fid, file_out[n].id_dt);
+	  file_out[n].t1 = (double *)malloc(file_out[n].nt*sizeof(double));
+	  file_out[n].t2 = (double *)malloc(file_out[n].nt*sizeof(double));
+	  file_out[n].dt = (double *)malloc(file_out[n].nt*sizeof(double));
+	  for(ll=0; ll<file_out[n].nt; ll++) {
+	    file_out[n].t1[ll] = file_in[0].t1[ll];
+	    file_out[n].t2[ll] = file_in[0].t2[ll];
+	    file_out[n].dt[ll] = file_in[0].dt[ll];
+	  }
+	}
+	mpp_end_def(file_out[n].fid);
+	for(i=0; i<ndim; i++) {
+	  if(file_out[n].axis[i].cart == 'T') continue;
+	  mpp_put_var_value(file_out[n].fid, file_out[n].axis[i].vid, file_out[n].axis[i].data);
+	  if(strcmp(file_out[n].axis[i].bndname, "none") )
+	    mpp_put_var_value(file_out[n].fid, file_out[n].axis[i].bndid, file_out[n].axis[i].bnddata);
+	}
+      }
+    }
+  }
+  
+}; /* set_output_metadata */
+
+/*******************************************************************************
+   void get_field_missing( )
+   *******************************************************************************/
+void get_field_missing( int ntiles, Field_config *field)
+{
+  int n, l, nfield;
+  char str[128];
+  
+  nfield = field->nvar;
+
+  for(l=0; l<nfield; l++) {
+    for(n=0; n<ntiles; n++) {
+      field[n].var[l].missing = 0;
+      field[n].var[l].vid = mpp_get_varid(*(field[n].fid), field[n].var[l].name);
+      if( field[n].var[l].has_missing = mpp_var_att_exist(*(field[n].fid), field[n].var[l].vid, "missing_value") ) {
+	mpp_get_var_att(*(field[n].fid), field[n].var[l].vid, "missing_value", (void *)(&(field[n].var[l].missing)));
+	//	  field[n].var[l].missing = atof(str);
+      }
+    }
+  }
+
+}; /* get_field_missing */
+
+
+/*******************************************************************************
+void set_remap_file( )
+*******************************************************************************/
+void set_remap_file( int ntiles, const char *mosaic_file, const char *remap_file, Interp_config *interp,
+		     unsigned int *opcode, int save_weight_only)
+{
+  int    i, len, m, fid, vid;
+  size_t start[4], nread[4];
+  char str1[STRING], tilename[STRING];
+  int file_exist;
+  
+  if(!remap_file) return;
+  
+  for(i=0; i<4; i++) {
+    start[i] = 0; nread[i] = 1;
+  }
+  nread[1] = STRING;
+  
+  len = strlen(remap_file);
+  if(len >= STRING) mpp_error("setoutput_remap_file(fregrid_util): length of remap_file should be less than STRING");  
+  if( strstr(remap_file, ".nc") ) {
+    strncpy(str1, remap_file, len-3);
+    str1[len-3] = 0;
+  }
+  else
+    strcpy(str1, remap_file);
+
+  (*opcode) |= WRITE;
+
+  if(ntiles>1) {
+     fid = mpp_open(mosaic_file, MPP_READ);
+     vid   = mpp_get_varid(fid, "gridtiles");
+  }
+  
+  for(m=0; m<ntiles; m++) {
+    interp[m].file_exist = 0;
+    if(ntiles > 1) {
+      start[0] = m;
+      mpp_get_var_value_block(fid, vid, start, nread, tilename);
+      if(strlen(str1) + strlen(tilename) > STRING -5) mpp_error("set_output_remap_file(fregrid_util): length of str1 + "
+								"length of tilename should be no greater than STRING-5");
+      sprintf(interp[m].remap_file, "%s.%s.nc", str1, tilename);
+    }
+    else
+      sprintf(interp[m].remap_file, "%s.nc", str1);
+    /* check xgrid file to be read (=1) or write ( = 2) */
+    if(!save_weight_only && mpp_file_exist(interp[m].remap_file)) {
+      (*opcode) |= READ;
+      interp[m].file_exist = 1;
+    }
+      
+  }
+
+  if(ntiles>1) mpp_close(fid);
+  
+};/* set_remap_file */
+
+
+/*----------------------------------------------------------------------
+  void write_output_axis_data( )
+  write out time axis data of the output data file
+  --------------------------------------------------------------------*/
+void write_output_time(int ntiles, File_config *file, int level)
+{
+  int         i, n;
+  size_t      start[4], nwrite[4];
+
+  for(i=0; i<4; i++) {
+    start[i] = 0; nwrite[i] = 1;
+  }
+  start[0] = level;   
+  if( mpp_pe() == mpp_root_pe()) {
+    for(n=0; n<ntiles; n++) {
+      for(i=0; i<file[n].ndim; i++) {
+	if(file[n].axis[i].cart == 'T') {
+	  nwrite[1] = 1;
+	  mpp_put_var_value_block(file[n].fid, file[n].axis[i].vid, start,
+				 nwrite, &(file[n].axis[i].data[level]));
+	  if(strcmp(file[n].axis[i].bndname, "none") ) {
+	    nwrite[1] = 2;
+	    mpp_put_var_value_block(file[n].fid, file[n].axis[i].bndid, start,
+				   nwrite, &(file[n].axis[i].bnddata[level*2]));
+	  }
+	}
+      }
+      /* write out time_avg_info if exist */
+      if(file[n].has_tavg_info) {
+	nwrite[1] = 1;
+	mpp_put_var_value_block(file[n].fid, file[n].id_t1, start, nwrite, &(file[n].t1[level]) );
+	mpp_put_var_value_block(file[n].fid, file[n].id_t2, start, nwrite, &(file[n].t2[level]) );
+	mpp_put_var_value_block(file[n].fid, file[n].id_dt, start, nwrite, &(file[n].dt[level]) );
+      }
+    }
+  }
+}; /* write_output_time */
+
+/*---------------------------------------------------------------------------
+  void get_input_data(Mosaic_config *input, int l)
+  get the input data for the number l variable.
+  -------------------------------------------------------------------------*/
+void get_input_data(int ntiles, Field_config *field, Grid_config *grid, Bound_config *bound,
+		    int varid, int level, unsigned int opcode)
+{
+  int         halo, i, j, k, i1, i2, n, memsize, nx, ny, nz, ndim, nbound, l;
+  size_t      start[4], nread[4];
+  double      *data;
+  Data_holder *dHold;
+
+  if(opcode & CONSERVE_ORDER1)
+    halo = 0;
+  else
+    halo = 1;
+  nz = field->var[varid].nz;
+  
+  for(i=0; i<4; i++) {
+    start[i] = 0; nread[i] = 1;
+  }
+  start[0] = level;
+
+  /* first read input data for each tile */
+  for(n=0; n<ntiles; n++) {
+    nx = grid[n].nx;
+    ny = grid[n].ny;
+    memsize = 1;
+    ndim = field[n].var[varid].ndim;
+    nread[ndim-1] = nx;
+    nread[ndim-2] = ny;
+    if(field[n].var[varid].has_zaxis) {
+      start[ndim-3] = field->var[varid].kstart;
+      nread[ndim-3] = nz;
+    }
+    memsize = (nx+2*halo)*(ny+2*halo)*nz;
+	
+    field[n].data = (double *)malloc(memsize*sizeof(double));
+    if(halo ==0) {
+      mpp_get_var_value_block(*(field[n].fid), field[n].var[varid].vid, start, nread, field[n].data);
+    }
+    else {
+      data = (double *)malloc(nx*ny*nz*sizeof(double));
+      mpp_get_var_value_block(*(field[n].fid), field[n].var[varid].vid, start, nread, data);
+      init_halo(field[n].data, nx, ny, nz, 1);
+
+      /* copy the data onto compute domain */
+      for(k=0; k<nz; k++) for(j=0; j<ny; j++) for(i=0; i<nx; i++) {
+	i1 = k*(nx+2*halo)*(ny+2*halo)+(j+halo)*(nx+2*halo)+i+halo;
+	i2 = k*nx*ny+j*nx+i;
+	field[n].data[i1] = data[i2];
+      }
+      free(data);
+    }
+  }  
+
+  /* update halo when halo > 0 */
+  if(halo > 0) {
+    for(n=0; n<ntiles; n++) {
+      nbound = bound[n].nbound;
+      if(nbound > 0) {
+	dHold = (Data_holder *)malloc(nbound*sizeof(Data_holder));
+	for(l=0; l<nbound; l++) {
+	  dHold[l].data = field[bound[n].tile2[l]].data;
+	  dHold[l].nx = grid[bound[n].tile2[l]].nx+2;
+	  dHold[l].ny = grid[bound[n].tile2[l]].ny+2;
+	}
+	update_halo(grid[n].nx+2, grid[n].ny+2, nz, field[n].data, &(bound[n]), dHold );
+	for(l=0; l<nbound; l++) dHold[l].data = NULL;
+	free(dHold);
+      }
+    }
+    /* second order conservative interpolation, gradient need to be calculated */
+    if(opcode & CONSERVE_ORDER2) {
+      for(n=0; n<ntiles; n++) {
+	int is_true = 1;
+	nx = grid[n].nx;
+	ny = grid[n].ny;
+	field[n].grad_x = (double *)malloc(nx*ny*nz*sizeof(double));
+	field[n].grad_y = (double *)malloc(nx*ny*nz*sizeof(double));
+	for(k=0; k<nz; k++) {
+	  grad_c2l(&(grid[n].nx), &(grid[n].ny), field[n].data+k*(nx+2)*(ny+2), grid[n].dx, grid[n].dy, grid[n].area,
+		   grid[n].edge_w, grid[n].edge_e, grid[n].edge_s, grid[n].edge_n,
+		   grid[n].en_n, grid[n].en_e, grid[n].vlon_t, grid[n].vlat_t, 
+		   field[n].grad_x+k*nx*ny, field[n].grad_y+k*nx*ny, &is_true, &is_true, &is_true, &is_true);
+	}
+	/* where there is missing and using second order conservative interpolation, need to calculate mask for gradient */
+	if( field[n].var[varid].has_missing ) {
+	  int ip1, im1, jp1, jm1,kk,ii,jj;
+	  double missing;
+	  missing = field[n].var[varid].missing;
+	  field[n].grad_mask = (int *)malloc(nx*ny*nz*sizeof(int));
+	  for(k=0; k<nz; k++) for(j=0; j<ny; j++) for(i=0; i<nx; i++) {
+	    ii=i+1; ip1 = ii+1; im1 = ii-1; jj = j+1; jp1 = jj+1; jm1 = jj-1;
+	    kk = k*(nx+2)*(ny+2);
+	    if(field[n].data[kk+jm1*(nx+2)+im1] == missing || field[n].data[kk+jm1*(nx+2)+ii ] == missing ||
+	       field[n].data[kk+jm1*(nx+2)+ip1] == missing || field[n].data[kk+jj *(nx+2)+im1] == missing ||
+	       field[n].data[kk+jj *(nx+2)+ip1] == missing || field[n].data[kk+jp1*(nx+2)+im1] == missing ||
+	       field[n].data[kk+jp1*(nx+2)+ii ] == missing || field[n].data[kk+jp1*(nx+2)+ip1] == missing  )
+	      field[n].grad_mask[k*nx*ny+j*nx+i] = 1;
+	    else
+	      field[n].grad_mask[k*nx*ny+j*nx+i] = 0;
+	  }
+	}
+      }
+    }
+  }
+
+
+  
+}; /* get_input_data */
+
+/*---------------------------------------------------------------------------
+  void get_input_data(Mosaic_config *input, int l)
+  get the input data for the number l variable.
+  -------------------------------------------------------------------------*/
+void get_test_input_data(char *test_case, double test_param, int ntiles, Field_config *field,
+			 Grid_config *grid, Bound_config *bound, unsigned int opcode)
+{
+  int         halo, i, j, k, ii, n, nx, ny, l, nbound;
+  double      *data;
+  Data_holder *dHold;
+  char input_file[128];
+  int  fid, vid, dim[2]; 
+  
+  if(opcode & CONSERVE_ORDER1)
+    halo = 0;
+  else
+    halo = 1;
+  
+  for(n=0; n<ntiles; n++) {
+    nx = grid[n].nx;
+    ny = grid[n].ny;
+    field[n].data = (double *)malloc((nx+2*halo)*(ny+2*halo)*sizeof(double));
+    data          = (double *)malloc(nx*ny*sizeof(double));
+    if(!strcmp(test_case,"tanh_cosphi_costheta") ) {
+      for(j=0; j<ny; j++) for(i=0; i<nx; i++) {
+	data[j*ny+i] = tanh(test_param*cos(grid[n].lont[(j+1)*(nx+2)+i+1])*cos(grid[n].latt[(j+1)*(nx+2)+i+1]));
+      }
+    }
+    if(!strcmp(test_case,"tanh_sinphi_sintheta") ) {
+      for(j=0; j<ny; j++) for(i=0; i<nx; i++) {
+	data[j*ny+i] = tanh(test_param*sin(grid[n].lont[(j+1)*(nx+2)+i+1])*sin(grid[n].latt[(j+1)*(nx+2)+i+1]));
+      }
+    }    
+    else if(!strcmp(test_case,"cosphi_costheta") ) {
+      for(j=0; j<ny; j++) for(i=0; i<nx; i++) {
+	data[j*ny+i] = cos(grid[n].lont[(j+1)*(nx+2)+i+1])*cos(grid[n].latt[(j+1)*(nx+2)+i+1]);
+      }
+    }
+    else if(!strcmp(test_case,"sinphi_costheta") ) {
+      for(j=0; j<ny; j++) for(i=0; i<nx; i++) {
+	data[j*ny+i] = sin(grid[n].lont[(j+1)*(nx+2)+i+1])*cos(grid[n].latt[(j+1)*(nx+2)+i+1]);
+      }
+    }
+    else
+      mpp_error("fregrid_util: invalid choice of test_case");
+
+    /* write out input data */
+    sprintf(input_file, "%s.input.tile%d.nc", test_case, n+1);
+    fid = mpp_open(input_file, MPP_WRITE);
+    dim[0] = mpp_def_dim(fid, "grid_y", ny);
+    dim[1] = mpp_def_dim(fid, "grid_x", nx);
+    vid    = mpp_def_var(fid, "data", NC_DOUBLE, 2, dim, 0);
+    mpp_end_def(fid);
+    mpp_put_var_value(fid, vid, data);
+    mpp_close(fid);
+    
+    for(j=0; j<ny; j++) for(i=0; i<nx; i++) {
+      ii = (j+halo)*(nx+2*halo)+i+halo;
+      field[n].data[ii] = data[j*nx+i];
+    }
+    free(data);
+  }
+    
+  /* update halo when halo > 0 */
+  if(halo > 0) {
+    for(n=0; n<ntiles; n++) {
+      nbound = bound[n].nbound;
+      if(nbound > 0) {
+	dHold = (Data_holder *)malloc(nbound*sizeof(Data_holder));
+	for(l=0; l<nbound; l++) {
+	  dHold[l].data = field[bound[n].tile2[l]].data;
+	  dHold[l].nx = grid[bound[n].tile2[l]].nx+2;
+	  dHold[l].ny = grid[bound[n].tile2[l]].ny+2;
+	}
+	update_halo(grid[n].nx+2, grid[n].ny+2, 1, field[n].data, &(bound[n]), dHold );
+	for(l=0; l<nbound; l++) dHold[l].data = NULL;
+	free(dHold);
+      }
+    }
+    /* second order conservative interpolation, gradient need to be calculated */
+    if(opcode & CONSERVE_ORDER2) {
+      for(n=0; n<ntiles; n++) {
+	int is_true = 1;
+	field[n].grad_x = (double *)malloc((grid[n].nx+2)*(grid[n].ny+2)*sizeof(double));
+	field[n].grad_y = (double *)malloc((grid[n].nx+2)*(grid[n].ny+2)*sizeof(double));
+	grad_c2l(&(grid[n].nx), &(grid[n].ny), field[n].data, grid[n].dx, grid[n].dy, grid[n].area,
+		 grid[n].edge_w, grid[n].edge_e, grid[n].edge_s, grid[n].edge_n,
+		 grid[n].en_n, grid[n].en_e, grid[n].vlon_t, grid[n].vlat_t,
+		 field[n].grad_x, field[n].grad_y, &is_true, &is_true, &is_true, &is_true);
+      }
+    }
+  }
+  
+}; /* get_test_input_data */
+
+
+void allocate_field_data(int ntiles, Field_config *field, Grid_config *grid, int l)
+{
+  int n, i;
+  size_t memsize;
+  
+  for(n=0; n<ntiles; n++) {
+    memsize = grid[n].nx*grid[n].ny*field[n].var[l].nz;
+    field[n].data = (double *)malloc(memsize*sizeof(double));
+  }
+
+}; /* allocate_field_data */
+
+
+/*-------------------------------------------------------------------------
+  write_output_data(Mosaic_config *output)
+  write data to output file
+  -----------------------------------------------------------------------*/
+void write_field_data(int ntiles, Field_config *field, Grid_config *grid, int l, int level)
+{
+  double *gdata;
+  int    nx, ny, nz, n, ndim, i, j, k;
+  size_t nwrite[4], start[4];
+
+  nz = field->var[l].nz;
+  for(i=0; i<4; i++) {
+    start[i] = 0; nwrite[i] = 1;
+  }
+  start[0] = level;      
+  for(n=0; n<ntiles; n++) {
+    /* global data onto root pe */
+    nx = grid[n].nx;
+    ny = grid[n].ny;
+    
+    ndim = field[n].var[l].ndim;
+    nwrite[ndim-1] = nx;
+    nwrite[ndim-2] = ny;
+    if(field[n].var[l].has_zaxis) nwrite[ndim-3] = nz;
+    if(mpp_npes() == 1) {
+      mpp_put_var_value_block(*(field[n].fid), field[n].var[l].vid, start, nwrite, field[n].data);
+    }
+    else {
+      gdata = (double *)malloc(nx*ny*nz*sizeof(double));
+      mpp_global_field_double_3D(grid[n].domain, grid[n].nxc, grid[n].nyc, nz,
+				 field[n].data, gdata);
+      /*     for(k=0; k<nz; k++) { */
+      /*      mpp_global_field_double(grid[n].domain, grid[n].nxc, grid[n].nyc, */
+      /* 			      field[n].data+k*grid[n].nxc*grid[n].nyc, gdata+k*nx*ny); */
+      /*    } */
+    
+      if(mpp_pe() == mpp_root_pe())mpp_put_var_value_block(*(field[n].fid), field[n].var[l].vid,
+							   start, nwrite, gdata);
+      free(gdata);
+    }
+  }  
+
+};/* write_output_data */
+
+void get_contact_direction(int ncontact, const int *tile, const int *istart, const int *iend,
+			   const int *jstart, const int *jend, int *dir)
+{
+  int n;
+   
+  for(n=0; n<ncontact; n++) {
+    if(istart[n] == iend[n] && jstart[n] == jend[n])
+      mpp_error("fregrid_util: istart = iend and jstart = jend can not be both true for one contact");
+    if(istart[n] != iend[n] && jstart[n] != jend[n])
+      mpp_error("fregrid_util: either istart = iend or jstart = jend need to be true");
+    if(istart[n] == iend[n]) {
+      if(istart[n] == 0)
+	dir[n] = WEST;
+      else
+	dir[n] = EAST;
+    }
+    else {
+      if(jstart[n] == 0)
+	dir[n] = SOUTH;
+      else
+	dir[n] = NORTH;
+    }
+  }
+
+}
+
+void setup_boundary(const char *mosaic_file, int ntiles, Grid_config *grid, Bound_config *bound, int halo, int position)
+{
+  int ncontacts, shift, n, nbound, l, l2, nb, nx, ny;
+  int *tile, *dir;
+  int *istart, *iend, *jstart, *jend;
+
+  ncontacts = read_mosaic_ncontacts(mosaic_file);
+  if(ncontacts == 0) {
+    for(n=0; n<ntiles; n++) bound[n].nbound = 0;
+    return;
+  }
+
+  if(position == CENTER)
+    shift = 0;
+  else if(position == CORNER)
+    shift = 1;
+  else
+    mpp_error("fregrid_util: position should be CENTER or CORNER");
+  
+  tile   = (int *)malloc(2*ncontacts*sizeof(int));
+  istart = (int *)malloc(2*ncontacts*sizeof(int));
+  iend   = (int *)malloc(2*ncontacts*sizeof(int));
+  jstart = (int *)malloc(2*ncontacts*sizeof(int));
+  jend   = (int *)malloc(2*ncontacts*sizeof(int));
+  dir    = (int *)malloc(2*ncontacts*sizeof(int));
+  read_mosaic_contact(mosaic_file, tile, tile+ncontacts, istart, iend, jstart, jend,
+		      istart+ncontacts, iend+ncontacts, jstart+ncontacts, jend+ncontacts);
+  for(n=0; n<2*ncontacts; n++) --tile[n];
+  get_contact_direction(2*ncontacts, tile, istart, iend, jstart, jend, dir);
+  
+  /* First find number of boundary for each tile */
+  for(n=0; n<ntiles; n++) {
+    nbound = 0;
+    nx = grid[n].nx;
+    ny = grid[n].ny;
+    for(l=0; l<2*ncontacts; l++) {
+      if(tile[l] == n) nbound++;
+    }
+    bound[n].nbound = nbound;
+    if(nbound > 0) {
+      bound[n].is1    = (int *)malloc(nbound*sizeof(int));
+      bound[n].ie1    = (int *)malloc(nbound*sizeof(int));
+      bound[n].js1    = (int *)malloc(nbound*sizeof(int));
+      bound[n].je1    = (int *)malloc(nbound*sizeof(int));
+      bound[n].is2    = (int *)malloc(nbound*sizeof(int));
+      bound[n].ie2    = (int *)malloc(nbound*sizeof(int));
+      bound[n].js2    = (int *)malloc(nbound*sizeof(int));
+      bound[n].je2    = (int *)malloc(nbound*sizeof(int));      
+      bound[n].rotate = (int *)malloc(nbound*sizeof(int));
+      bound[n].tile2  = (int *)malloc(nbound*sizeof(int));
+      nb = 0;
+      for(l=0; l<2*ncontacts; l++) {
+	if(tile[l] != n) continue;
+	switch(dir[l]) {
+	case WEST:
+	  bound[n].is1[nb]  = 0;
+	  bound[n].ie1[nb]  = halo-1;
+	  bound[n].js1[nb]  = min(jstart[l],jend[l])+halo;
+	  bound[n].je1[nb]  = max(jstart[l],jend[l])+halo+shift;
+	  break;
+	case EAST:
+	  bound[n].is1[nb]  = nx+shift+halo;
+	  bound[n].ie1[nb]  = nx+shift+halo+halo-1;
+	  bound[n].js1[nb]  = min(jstart[l],jend[l])+halo;
+	  bound[n].je1[nb]  = max(jstart[l],jend[l])+halo+shift;
+	  break;
+	case SOUTH:
+	  bound[n].is1[nb]  = min(istart[l],iend[l])+halo;
+	  bound[n].ie1[nb]  = max(istart[l],iend[l])+halo+shift;
+	  bound[n].js1[nb]  = 0;
+	  bound[n].je1[nb]  = halo-1;
+	  break;
+	case NORTH:
+	  bound[n].is1[nb]  = min(istart[l],iend[l])+halo;
+	  bound[n].ie1[nb]  = max(istart[l],iend[l])+halo+shift;
+	  bound[n].js1[nb]  = ny+shift+halo;
+	  bound[n].je1[nb]  = ny+shift+halo+halo-1;
+	  break;	    
+	}
+	l2 = (l+ncontacts)%(2*ncontacts);
+	bound[n].tile2[nb] = tile[l2];
+	switch(dir[l2]) {
+	case WEST:
+	  bound[n].is2[nb]  = halo+shift;
+	  bound[n].ie2[nb]  = halo+shift+halo-1;
+	  bound[n].js2[nb]  = min(jstart[l2],jend[l2])+halo;
+	  bound[n].je2[nb]  = max(jstart[l2],jend[l2])+halo+shift;
+	  break;
+	case EAST:
+	  bound[n].is2[nb]  = nx-halo+1;
+	  bound[n].ie2[nb]  = nx;
+	  bound[n].js2[nb]  = min(jstart[l2],jend[l2])+halo;
+	  bound[n].je2[nb]  = max(jstart[l2],jend[l2])+halo+shift;
+	  break;
+	case SOUTH:
+	  bound[n].is2[nb]  = min(istart[l2],iend[l2])+halo;
+	  bound[n].ie2[nb]  = max(istart[l2],iend[l2])+halo+shift;
+	  bound[n].js2[nb]  = halo+shift;
+	  bound[n].je2[nb]  = halo+shift+halo-1;
+	  break;
+	case NORTH:
+	  bound[n].is2[nb]  = min(istart[l2],iend[l2])+halo;
+	  bound[n].ie2[nb]  = max(istart[l2],iend[l2])+halo+shift;
+	  bound[n].js2[nb]  = ny-halo+1;
+	  bound[n].je2[nb]  = ny;
+	  break;	    
+	}
+	bound[n].rotate[nb] = ZERO;
+	if(dir[l] == WEST && dir[l2] == NORTH) bound[n].rotate[nb] = NINETY;
+	if(dir[l] == EAST && dir[l2] == SOUTH) bound[n].rotate[nb]= NINETY;
+	if(dir[l] == SOUTH && dir[l2] == EAST) bound[n].rotate[nb] = MINUS_NINETY;
+	if(dir[l] == NORTH && dir[l2] == WEST) bound[n].rotate[nb] = MINUS_NINETY;      
+	if(dir[l] == NORTH && dir[l2] == NORTH) bound[n].rotate[nb] = ONE_HUNDRED_EIGHTY;
+	/* make sure the size match at the boundary */
+	if( (bound[n].ie2[nb]-bound[n].is2[nb]+1)*(bound[n].je2[nb]-bound[n].js2[nb]+1) !=
+	    (bound[n].ie1[nb]-bound[n].is1[nb]+1)*(bound[n].je1[nb]-bound[n].js1[nb]+1) )
+	  mpp_error("fregrid_util: size mismatch between the boundary");
+	nb++;
+      }      
+    }
+  }
+}; /* setup_boundary */
+
+void delete_bound_memory(int ntiles, Bound_config *bound)
+{
+  int n;
+  
+  for(n=0; n<ntiles; n++) {
+    if(bound[n].nbound > 0) {
+      free(bound[n].is1);
+      free(bound[n].ie1);
+      free(bound[n].js1);
+      free(bound[n].je1);
+      free(bound[n].is2);
+      free(bound[n].ie2);
+      free(bound[n].js2);
+      free(bound[n].je2);
+      free(bound[n].tile2);
+      free(bound[n].rotate);
+    }
+  }
+}
+  
+
+/*-----------------------------------------------------------------------------
+  void init_halo(double *var, int nx, int ny, int nz, int halo)
+  initialze the halo data to be zero.
+  ---------------------------------------------------------------------------*/
+void init_halo(double *var, int nx, int ny, int nz, int halo)
+{
+  int i, j, k;
+  int nxd, nyd, nall;
+
+  nxd = nx+2*halo;
+  nyd = ny+2*halo;
+  nall = nxd*nyd;
+  
+  for(k=0; k<nz; k++) {
+    for(j=0; j<nyd; j++) for(i=0; i<halo; i++) var[k*nall+j*nxd+i] = 0; /* west halo */
+    for(j=0; j<nyd; j++) for(i=nx+halo; i<nxd; i++) var[k*nall+j*nxd+i] = 0; /* east halo */
+    for(j=0; j<halo; j++) for(i=0; i<nxd; i++) var[k*nall+j*nxd+i] = 0; /* south halo */
+    for(j=ny+halo; j<nyd; j++) for(i=0; i<nxd; i++) var[k*nall+j*nxd+i] = 0; /* north halo */
+  }
+
+};/* init_halo */
+
+ 
+void update_halo(int nx, int ny, int nz, double *data, Bound_config *bound, Data_holder *dHold)
+{
+  int nbound, n, i, j, k, l, size1, size2, nx2, ny2;
+  int is1, ie1, js1, je1, is2, ie2, js2, je2, bufsize;
+  double *buffer;
+  
+  nbound = bound->nbound;
+  size1  = nx*ny;
+
+  for(n=0; n<nbound; n++) {
+    is1 = bound->is1[n];
+    ie1 = bound->ie1[n];
+    js1 = bound->js1[n];
+    je1 = bound->je1[n];
+    is2 = bound->is2[n];
+    ie2 = bound->ie2[n];
+    js2 = bound->js2[n];
+    je2 = bound->je2[n];
+    nx2 = dHold[n].nx;
+    ny2 = dHold[n].ny;
+    size2 = nx2*ny2;
+    bufsize = nz*(ie2-is2+1)*(je2-js2+1);
+    buffer = (double *)malloc(bufsize*sizeof(double));
+    /* fill the buffer */
+    l = 0;
+    switch(bound->rotate[n]) {
+    case ZERO:
+      for(k=0; k<nz; k++) for(j=js2; j<=je2; j++) for(i=is2; i<=ie2; i++) buffer[l++] = dHold[n].data[k*size2+j*nx2+i];
+      break;
+    case NINETY:
+      for(k=0; k<nz; k++) for(i=ie2; i>=is2; i--) for(j=js2; j<=je2; j++) buffer[l++] = dHold[n].data[k*size2+j*nx2+i];
+      break;
+    case MINUS_NINETY:
+      for(k=0; k<nz; k++) for(i=is2; i<=ie2; i++) for(j=je2; j>=js2; j--) buffer[l++] = dHold[n].data[k*size2+j*nx2+i];
+      break;
+    case ONE_HUNDRED_EIGHTY:
+      for(k=0; k<nz; k++) for(j=je2; j>=js2; j--) for(i=ie2; i>=is2; i--) buffer[l++] = dHold[n].data[k*size2+j*nx2+i];
+      break;
+    }
+    l = 0;
+    for(k=0; k<nz; k++) for(j=js1; j<=je1; j++) for(i=is1; i<=ie1; i++) data[k*size1+j*nx+i] = buffer[l++];
+    free(buffer);
+  }  
+
+}
+ 
diff --git a/gridspec_tools_20080702/tools/shared/get_contact.c b/gridspec_tools_20080702/tools/shared/get_contact.c
new file mode 100644
index 0000000..43a977a
--- /dev/null
+++ b/gridspec_tools_20080702/tools/shared/get_contact.c
@@ -0,0 +1,326 @@
+#include <stdlib.h>
+#include <math.h>
+#include "mosaic_util.h"
+#include "get_contact.h"
+
+
+/************************************************************************************************
+         int get_align_contact(
+  This routine will return number of algined contacts bewteen two tiles (line contact).
+  This routine assume the starting and ending points of the  contact line are coincidence with
+  the grid points of both tiles. lrg_rectangle tiles are assumed. 
+  It will return the contact information, which includes 
+
+*************************************************************************************************/
+
+double* east_bound(const double *data, int nx, int ny);
+double* west_bound(const double *data, int nx, int ny);
+double* south_bound(const double *data, int nx, int ny);
+double* north_bound(const double *data, int nx, int ny);
+#define EPSLN (1.0e-10)
+
+int get_align_contact(int tile1, int tile2, int nx1, int ny1, int nx2, int ny2, 
+                      const double *x1, const double *y1, const double *x2, 
+                      const double *y2, double periodx, double periody,
+		      int *istart1, int *iend1, int *jstart1, int *jend1, 
+                      int *istart2, int *iend2, int *jstart2, int *jend2)
+{
+  double *xb1, *yb1, *xb2, *yb2;
+  int ncontact, start1, end1, start2, end2;
+  
+  ncontact = 0;
+  /* East bound of tile1 and west bound of tile2 */
+  xb1 = east_bound(x1, nx1, ny1);
+  yb1 = east_bound(y1, nx1, ny1);
+  xb2 = west_bound(x2, nx2, ny2);
+  yb2 = west_bound(y2, nx2, ny2);
+  if( get_contact_index( ny1, ny2, xb1, yb1, xb2, yb2, periodx, 0.0, &start1, &end1, &start2, &end2) ) {
+    istart1[ncontact] = nx1-1;
+    iend1[ncontact]   = nx1-1;
+    istart2[ncontact] = 1;
+    iend2[ncontact]   = 1;    
+    jstart1[ncontact] = start1;
+    jend1[ncontact]   = end1;
+    jstart2[ncontact] = start2;
+    jend2[ncontact]   = end2;
+    ncontact++;   
+  }
+
+  /* East bound of tile1 and SOUTH bound of tile2, tile1 and tile must be different tile */
+  if(tile1 != tile2) {
+    free(xb2);
+    free(yb2);
+    xb2 = south_bound(x2, nx2, ny2);
+    yb2 = south_bound(y2, nx2, ny2);
+    if( get_contact_index( ny1, nx2, xb1, yb1, xb2, yb2, 0.0, 0.0, &start1, &end1, &start2, &end2) ) {
+      istart1[ncontact] = nx1-1;
+      iend1[ncontact]   = nx1-1;
+      istart2[ncontact] = start2;
+      iend2[ncontact]   = end2;    
+      jstart1[ncontact] = start1;
+      jend1[ncontact]   = end1;
+      jstart2[ncontact] = 1;
+      jend2[ncontact]   = 1;
+      ncontact++;
+    }
+  }
+  free(xb1);
+  free(yb1);   
+  free(xb2);
+  free(yb2);  
+  
+  /* South bound of tile1 and NORTH bound of tile2 */
+  xb1 = south_bound(x1, nx1, ny1);
+  yb1 = south_bound(y1, nx1, ny1);
+  xb2 = north_bound(x2, nx2, ny2);
+  yb2 = north_bound(y2, nx2, ny2);
+  if( get_contact_index( nx1, nx2, xb1, yb1, xb2, yb2, 0.0, periody, &start1, &end1, &start2, &end2) ) {
+    istart1[ncontact] = start1;
+    iend1[ncontact]   = end1;
+    istart2[ncontact] = start2;
+    iend2[ncontact]   = end2;    
+    jstart1[ncontact] = 1;
+    jend1[ncontact]   = 1;
+    jstart2[ncontact] = ny2-1;
+    jend2[ncontact]   = ny2-1;
+    ncontact++;
+  }
+
+  /* South bound of tile1 and East bound of tile2, tile1 and tile must be different tile*/  
+  if(tile1 != tile2 ) {
+    free(xb2);
+    free(yb2);
+    xb2 = east_bound(x2, nx2, ny2);
+    yb2 = east_bound(y2, nx2, ny2);
+    if( get_contact_index( nx1, ny2, xb1, yb1, xb2, yb2, 0.0, 0.0, &start1, &end1, &start2, &end2) ) {
+      istart1[ncontact] = start1;
+      iend1[ncontact]   = end1;
+      istart2[ncontact] = nx2-1;
+      iend2[ncontact]   = nx2-1;    
+      jstart1[ncontact] = 1;
+      jend1[ncontact]   = 1;
+      jstart2[ncontact] = start2;
+      jend2[ncontact]   = end2;
+      ncontact++;
+    }
+  }
+  free(xb1);
+  free(yb1);   
+  free(xb2);
+  free(yb2);  
+
+  /* to avoid duplicate, the following will be done only when tile1 not equal to tile2 */
+  if(tile1 != tile2) {
+    /* West bound of tile1 and east bound of tile2*/
+    xb1 = west_bound(x1, nx1, ny1);
+    yb1 = west_bound(y1, nx1, ny1);
+    xb2 = east_bound(x2, nx2, ny2);
+    yb2 = east_bound(y2, nx2, ny2);
+    if( get_contact_index( ny1, ny2, xb1, yb1, xb2, yb2, periodx, 0.0, &start1, &end1, &start2, &end2) ) {
+      istart1[ncontact] = 1;
+      iend1[ncontact]   = 1;
+      istart2[ncontact] = nx2-1;
+      iend2[ncontact]   = nx2-1;    
+      jstart1[ncontact] = start1;
+      jend1[ncontact]   = end1;
+      jstart2[ncontact] = start2;
+      jend2[ncontact]   = end2;
+      ncontact++;
+    }
+    free(xb2);
+    free(yb2);
+
+    /* West bound of tile1 and North bound of tile2 */  
+    xb2 = north_bound(x2, nx2, ny2);
+    yb2 = north_bound(y2, nx2, ny2);
+    if( get_contact_index( ny1, nx2, xb1, yb1, xb2, yb2, 0.0, 0.0, &start1, &end1, &start2, &end2) ) {
+      istart1[ncontact] = 1;
+      iend1[ncontact]   = 1;
+      istart2[ncontact] = start2;
+      iend2[ncontact]   = end2;    
+      jstart1[ncontact] = start1;
+      jend1[ncontact]   = end1;
+      jstart2[ncontact] = ny2-1;
+      jend2[ncontact]   = ny2-1;
+      ncontact++;
+    }
+    free(xb1);
+    free(yb1);   
+    free(xb2);
+    free(yb2);  
+
+  
+    /* North bound of tile1 and South bound of tile2 */
+    xb1 = north_bound(x1, nx1, ny1);
+    yb1 = north_bound(y1, nx1, ny1);
+    xb2 = south_bound(x2, nx2, ny2);
+    yb2 = south_bound(y2, nx2, ny2);
+    if( get_contact_index( nx1, nx2, xb1, yb1, xb2, yb2, 0.0, periody, &start1, &end1, &start2, &end2) ) {
+      istart1[ncontact] = start1;
+      iend1[ncontact]   = end1;
+      istart2[ncontact] = start2;
+      iend2[ncontact]   = end2;    
+      jstart1[ncontact] = ny1-1;
+      jend1[ncontact]   = ny1-1;
+      jstart2[ncontact] = 1;
+      jend2[ncontact]   = 1;
+      ncontact++;
+    }
+    free(xb2);
+    free(yb2);
+
+    /* North bound of tile1 and West bound of tile2 */  
+    xb2 = west_bound(x2, nx2, ny2);
+    yb2 = west_bound(y2, nx2, ny2);
+    if( get_contact_index( nx1, ny2, xb1, yb1, xb2, yb2, 0.0, 0.0, &start1, &end1, &start2, &end2) ) {
+      istart1[ncontact] = start1;
+      iend1[ncontact]   = end1;
+      istart2[ncontact] = 1;
+      iend2[ncontact]   = 1;    
+      jstart1[ncontact] = ny1-1;
+      jend1[ncontact]   = ny1-1;
+      jstart2[ncontact] = start2;
+      jend2[ncontact]   = end2;
+      ncontact++;
+    }
+    free(xb1);
+    free(yb1);   
+    free(xb2);
+    free(yb2);  
+  }
+
+  /* when tile1 = tile2, we need to consider about folded. Only foled north is considered here */
+  if(tile1 == tile2) {
+    int i, folded = 1;
+    double dx;
+    xb1 = north_bound(x1, nx1, ny1);
+    yb1 = north_bound(y1, nx1, ny1);
+    for(i=0; i<nx1/2; i++) {
+      if( yb1[i] != yb1[nx1-i-1] ) {
+	folded = 0;
+	break;
+      }
+      dx = fabs(xb1[i] - xb1[nx1-i-1]);
+      if( dx !=0 && dx != 360 ) {
+	folded = 0;
+	break;
+      }
+    }
+    if(folded) {
+      istart1[ncontact] = 1;
+      iend1[ncontact]   = nx1/2;
+      istart2[ncontact] = nx1-1;
+      iend2[ncontact]   = nx1/2+1;    
+      jstart1[ncontact] = ny1-1;
+      jend1[ncontact]   = ny1-1;
+      jstart2[ncontact] = ny1-1;
+      jend2[ncontact]   = ny1-1;
+      ncontact++;
+    }
+    free(xb1);
+    free(yb1);
+  }
+  
+  return ncontact;
+  
+};
+
+
+int get_contact_index( int size1, int size2, double *x1, double *y1, double *x2, double *y2, double periodx,
+		       double periody, int *start1, int *end1, int *start2, int *end2)
+{
+  int i1, i2;
+  double dx, dy;
+
+  /* Find the first point in tile 1 cocindent with a point in tile2  */
+  *start1 = -1;
+  *start2 = -1;
+  for(i1=0; i1<size1; i1++) {
+    for(i2=0; i2<size2; i2++) {
+      dx = fabs(x1[i1]- x2[i2]);
+      dx = min(dx, fabs(dx-periodx));
+      dy = fabs(y1[i1]- y2[i2]);
+      dy = min(dy, fabs(dy-periody));
+      if( dx < EPSLN && dy <EPSLN ) {
+	*start1 = i1+1;
+	*start2 = i2+1;
+	goto foundstart;
+      }
+    }
+  }
+
+  return 0;
+    
+  foundstart:
+
+  /* Find the last point in tile 1 cocindent with a point in tile2 */
+  *end1 = -1;
+  *end2 = -1;
+  for(i1=size1-1; i1>=0; i1--) {
+    for(i2=size2-1; i2>=0; i2--) {
+      dx = fabs(x1[i1]- x2[i2]);
+      dx = min(dx, fabs(dx-periodx));
+      dy = fabs(y1[i1]- y2[i2]);
+      dy = min(dy, fabs(dy-periody));
+      if( dx < EPSLN && dy <EPSLN ) {
+	*end1 = i1+1;
+	*end2 = i2+1;
+	goto foundend;
+      }
+    }
+  }
+
+  return 0;
+    
+ foundend: if( *start1 == *end1 || *start2 == *end2 ) return 0;
+
+  if(*start1 > *end1 )
+    (*start1)--;
+  else
+    (*end1)--;
+
+  if(*start2 > *end2 )
+    (*start2)--;
+  else
+    (*end2)--;  
+
+  return 1;
+    
+};
+
+
+double* west_bound(const double *data, int nx, int ny)
+{
+  int i;
+  double *bnd;
+  bnd = (double *)malloc(ny*sizeof(double));
+  for(i=0; i<ny; i++) bnd[i] = data[i*nx];
+  return bnd;
+}
+
+double* east_bound(const double *data, int nx, int ny)
+{
+  int i;
+  double *bnd;
+  bnd = (double *)malloc(ny*sizeof(double));
+  for(i=0; i<ny; i++) bnd[i] = data[i*nx+nx-1];
+  return bnd;
+}
+
+double* south_bound(const double *data, int nx, int ny)
+{
+  int i;
+  double *bnd;
+  bnd = (double *)malloc(nx*sizeof(double));
+  for(i=0; i<nx; i++) bnd[i] = data[i];
+  return bnd;
+}
+
+double* north_bound(const double *data, int nx, int ny)
+{
+  int i;
+  double *bnd;
+  bnd = (double *)malloc(nx*sizeof(double));
+  for(i=0; i<nx; i++) bnd[i] = data[(ny-1)*nx+i];
+  return bnd;
+}
diff --git a/gridspec_tools_20080702/tools/shared/mpp.c b/gridspec_tools_20080702/tools/shared/mpp.c
new file mode 100644
index 0000000..86c6d84
--- /dev/null
+++ b/gridspec_tools_20080702/tools/shared/mpp.c
@@ -0,0 +1,230 @@
+#include <stdlib.h>
+#include <stdio.h>
+#ifdef use_libMPI
+#include <mpi.h>
+#endif
+#include "mpp.h"
+
+
+/****************************************************
+         global variables
+*****************************************************/
+int npes, root_pe, pe;
+int *pelist=NULL;
+const int tag = 1;
+#ifdef use_libMPI  
+MPI_Request *request;
+#endif
+
+/**************************************************************
+                     void mpp_init()
+     this routine will create communicator.
+***************************************************************/
+
+void mpp_init(int *argc, char ***argv)
+{
+  int n;
+  
+#ifdef use_libMPI
+  MPI_Init(argc, argv); 
+  MPI_Comm_rank(MPI_COMM_WORLD,&pe);
+  MPI_Comm_size(MPI_COMM_WORLD,&npes);
+  request = (MPI_Request *)malloc(npes*sizeof(MPI_Request));
+  for(n=0; n<npes; n++) request[n] = MPI_REQUEST_NULL;
+#else
+  pe = 0;
+  npes = 1;
+#endif
+  pelist = (int *)malloc(npes*sizeof(int));
+  for(n=0; n<npes; n++) pelist[n] = n;
+  root_pe = 0;
+}; /* mpp_init */
+
+/***********************************************************
+               void mpp_end()
+     This routine will terminate the parallel.
+************************************************************/
+
+void mpp_end()
+{
+#ifdef use_libMPI   
+  MPI_Finalize();
+#endif  
+} /* mpp_end */
+
+/*****************************************************************
+           int mpp_pe()
+      Returns processor ID.
+******************************************************************/
+
+int mpp_pe()
+{
+  return pe;
+}; /* mpp_pe */
+
+
+/**************************************************************
+                 int mpp_npes()
+      Returns processor count for current pelist.
+**************************************************************/
+
+int mpp_npes()
+{
+  return npes;
+}; /* mpp_npes */
+
+/*************************************************************
+               int mpp_root_pe()
+    return root processor of current pelist
+*************************************************************/
+
+int mpp_root_pe()
+{
+  return root_pe;
+}; /* mpp_root_pe */
+
+/*************************************************************
+               int* mpp_get_pelist()
+    return current pelist
+*************************************************************/
+
+int* mpp_get_pelist()
+{
+  return pelist;
+}; /* mpp_get_pelist */
+
+/************************************************************
+    void mpp_sync_self()
+ this is to check if current PE's outstanding puts are complete
+*************************************************************/
+void mpp_sync_self() {
+  int n;
+#ifdef use_libMPI     
+  MPI_Status status;
+  
+  for(n=0; n<npes; n++) {
+    if(request[n] != MPI_REQUEST_NULL) MPI_Wait( request+n, &status );
+  }
+#endif
+  
+}
+
+/*************************************************************
+    void mpp_send_double(const double* data, int size, int to_pe)
+      send data to "to_pe"
+*************************************************************/
+
+void mpp_send_double(const double* data, int size, int to_pe)
+{
+#ifdef use_libMPI    
+  MPI_Status status;
+  /* make sure only one message from pe->to_pe in queue */
+  if(request[to_pe] != MPI_REQUEST_NULL) {
+    MPI_Wait( request+to_pe, &status );
+  }
+    
+  MPI_Isend(data, size, MPI_DOUBLE, to_pe, tag, MPI_COMM_WORLD, request+to_pe);
+#endif
+  
+}; /* mpp_send_double */
+
+
+/*************************************************************
+    void mpp_send_int(const int* data, int size, int to_pe)
+      send data to "to_pe"
+*************************************************************/
+
+void mpp_send_int(const int* data, int size, int to_pe)
+{
+#ifdef use_libMPI    
+  MPI_Status status;
+  if(request[to_pe] != MPI_REQUEST_NULL) {
+    MPI_Wait( request+to_pe, &status );
+  }  
+
+  MPI_Isend(data, size, MPI_INT, to_pe, tag, MPI_COMM_WORLD, request+to_pe);
+#endif
+  
+}; /* mpp_send_int */
+
+/***********************************************************
+    void mpp_recv_double(double* data, int size, int from_pe)
+     receive data from "from_pe"
+***********************************************************/
+
+void mpp_recv_double(double* data, int size, int from_pe)
+{
+#ifdef use_libMPI      
+  MPI_Status status;
+  MPI_Recv(data, size, MPI_DOUBLE, from_pe, MPI_ANY_TAG, MPI_COMM_WORLD,&status);
+#endif  
+}; /* mpp_recv_double */
+
+/***********************************************************
+    void mpp_recv_int(int* data, int size, int from_pe)
+     receive data from "from_pe"
+***********************************************************/
+
+void mpp_recv_int(int* data, int size, int from_pe)
+{
+#ifdef use_libMPI      
+  MPI_Status status;
+  MPI_Recv(data, size, MPI_INT, from_pe, MPI_ANY_TAG, MPI_COMM_WORLD,&status);
+#endif  
+}; /* mpp_recv_int */
+
+
+/*******************************************************************************
+  int mpp_sum_int(int count, int *data)
+  sum integer over all the pes.
+*******************************************************************************/
+void mpp_sum_int(int count, int *data)
+{
+
+#ifdef use_libMPI
+  int i;
+  int *sum;
+  sum = (int *)malloc(count*sizeof(int));
+  MPI_Allreduce(data, sum, count, MPI_INT, MPI_SUM, MPI_COMM_WORLD);
+  for(i=0; i<count; i++)data[i] = sum[i];
+  free(sum);
+#endif
+
+
+}; /* mpp_sum_int */
+
+/*******************************************************************************
+  int mpp_sum_double(int count, double *data)
+  sum double over all the pes.
+*******************************************************************************/
+void mpp_sum_double(int count, double *data)
+{
+
+#ifdef use_libMPI
+  int i;
+  double *sum;
+  sum = (double *)malloc(count*sizeof(double));
+  MPI_Allreduce(data, sum, count, MPI_DOUBLE, MPI_SUM, MPI_COMM_WORLD);
+  for(i=0; i<count; i++)data[i] = sum[i];
+  free(sum);  
+#endif
+
+
+}; /* mpp_sum_double */
+
+
+/***********************************************************
+    void mpp_error(char *str)
+    error handler: will print out error message and then abort
+***********************************************************/
+
+void mpp_error(char *str)
+{
+  fprintf(stderr, "Error from pe %d: %s\n", pe, str );
+#ifdef use_libMPI      
+  MPI_Abort(MPI_COMM_WORLD, -1);
+#else
+  exit(1);
+#endif  
+}; /* mpp_error */
+
diff --git a/gridspec_tools_20080702/tools/shared/mpp.h b/gridspec_tools_20080702/tools/shared/mpp.h
new file mode 100644
index 0000000..a212b74
--- /dev/null
+++ b/gridspec_tools_20080702/tools/shared/mpp.h
@@ -0,0 +1,24 @@
+
+/*********************************************************************
+                    mpp.h
+  This header contains subroutine for parallel programming.
+  only MPI parallel is implemented. 
+  Contact: Zhi.Liang at noaa.gov
+ ********************************************************************/
+#ifndef MPP_H_
+#define MPP_H_
+
+void mpp_init(int *argc, char ***argv);          /* start parallel programming, create communicator */
+void mpp_end();           /* end of parallel programming, abort the program */
+int mpp_pe();      /* return processor ID */
+int mpp_root_pe(); /* return root pe of current pelist */
+int mpp_npes();    /* return number of processor used */
+int* mpp_get_pelist();
+void mpp_send_double(const double* data, int size, int to_pe); /* send data */
+void mpp_send_int(const int* data, int size, int to_pe); /* send data */
+void mpp_recv_double(double* data, int size, int from_pe); /* recv data */
+void mpp_recv_int(int* data, int size, int from_pe); /* recv data */
+void mpp_error(char *str);
+void mpp_sum_int(int count, int *data);
+void mpp_sync_self();
+#endif
diff --git a/gridspec_tools_20080702/tools/shared/mpp_domain.c b/gridspec_tools_20080702/tools/shared/mpp_domain.c
new file mode 100644
index 0000000..49715af
--- /dev/null
+++ b/gridspec_tools_20080702/tools/shared/mpp_domain.c
@@ -0,0 +1,534 @@
+/*
+      **** MppDomain.cpp ****
+      MppDomain package
+      NOTE: only mpi is implemented here. if needed, shmem version
+      will be added on in the future.
+      Contact: Zhi.Liang at noaa.gov
+*/
+#include <stdlib.h>
+#include <math.h>
+#include "mpp.h"
+#include "mpp_domain.h"
+
+/***********************************************************
+   global variables
+***********************************************************/
+int pe, npes, root_pe;
+
+/************************************************************
+         void mpp_domain_init()
+   initialization routine. get the processor information.
+   memory allocation.
+************************************************************/
+void mpp_domain_init( )
+{
+  pe      = mpp_pe();
+  npes    = mpp_npes();
+  root_pe = mpp_root_pe();
+}; /* mpp_domain_init */
+
+/*********************************************************** 
+         void mpp_domain_end()
+         release memory.
+***********************************************************/
+void mpp_domain_end ()
+{
+  /* will add something here if needed */
+};
+
+/************************************************************
+    void mpp_define_layout()
+    define domain layout based on given grid resolution and
+    number of processors
+***********************************************************/
+
+void mpp_define_layout(int ni, int nj, int ndivs, int layout[])
+{
+  int idiv, jdiv;
+  float fdiv;
+
+  /*first try to divide ndivs in the domain aspect ratio:
+    if imperfect aspect, reduce idiv till it divides ndivs */
+  fdiv = sqrt((1.0*ndivs*ni)/nj); 
+  idiv = floor(fdiv);
+  if(fdiv-idiv > 0.5) idiv = idiv + 1;
+  idiv = (idiv>1) ? idiv : 1;  /*for isz=1 line above can give 0*/
+  while( ndivs%idiv != 0 ) {
+    idiv = idiv - 1;
+  }                 /*will terminate at idiv=1 if not before*/
+  jdiv = ndivs/idiv;
+  layout[0] = idiv;
+  layout[1] = jdiv;
+};
+
+/***********************************************************
+    void mpp_define_domain_1d(int size, domain1D *domain )
+    define 1-D domain decomposition.
+**********************************************************/
+void mpp_define_domain_1d(int npts, int ndivs, domain1D *domain )
+{
+  int n, npts_left, pos, size;
+
+  domain->beglist = (int *)malloc(ndivs*sizeof(int));
+  domain->endlist = (int *)malloc(ndivs*sizeof(int));
+
+  if(ndivs > npts ) {
+     mpp_error("mpp_define_domain1d: more divisions requested than rows available. " );
+  }
+  npts_left = npts;
+  pos = 0;
+  for(n=0; n<ndivs; n++){
+    domain->beglist[n] = pos;
+    size = ceil((1.0*npts_left)/(ndivs-n));
+    domain->endlist[n] = pos + size - 1;
+    npts_left=npts_left - size;
+    pos += size;
+  }
+
+  if(npes == ndivs) {
+    domain->start = domain->beglist[pe];
+    domain->end   = domain->endlist[pe];
+    domain->size  = domain->end - domain->start + 1;
+    domain->sizeg = npts;
+  }
+  
+}; /* mpp_define_domain_1d */
+
+
+/************************************************************
+  void define_domain(int ni, int nj, int layout[], int xhalo, int yhalo, domain2D *domain  )
+   define 2D domain decomposition
+************************************************************/
+
+void mpp_define_domain2d(int ni, int nj, int layout[], int xhalo, int yhalo, domain2D *domain )
+{
+  domain1D domx, domy;
+  int i, j, posx, posy, n; 
+
+  domain->isclist = (int *)malloc(layout[0]*layout[1]*sizeof(int));
+  domain->ieclist = (int *)malloc(layout[0]*layout[1]*sizeof(int));
+  domain->jsclist = (int *)malloc(layout[0]*layout[1]*sizeof(int));
+  domain->jeclist = (int *)malloc(layout[0]*layout[1]*sizeof(int));  
+
+  mpp_define_domain_1d(ni, layout[0], &domx);
+  mpp_define_domain_1d(nj, layout[1], &domy); 
+
+  n = 0;
+  for(j=0; j<layout[1]; j++) {
+    for(i=0; i<layout[0]; i++) {
+      domain->isclist[n] = domx.beglist[i]+xhalo;
+      domain->ieclist[n] = domx.endlist[i]+xhalo;
+      domain->jsclist[n] = domy.beglist[j]+yhalo;
+      domain->jeclist[n] = domy.endlist[j]+yhalo;
+      n++;
+    }
+  }
+
+  domain->xhalo = xhalo;
+  domain->yhalo = yhalo;
+  domain->isc   = domain->isclist[pe];
+  domain->iec   = domain->ieclist[pe];
+  domain->jsc   = domain->jsclist[pe];
+  domain->jec   = domain->jeclist[pe];
+  domain->isd   = domain->isc - xhalo;
+  domain->ied   = domain->iec + xhalo;
+  domain->jsd   = domain->jsc - yhalo;
+  domain->jed   = domain->jec + yhalo;  
+  domain->nxc   = domain->iec - domain->isc + 1;
+  domain->nyc   = domain->jec - domain->jsc + 1;
+  domain->nxd   = domain->ied - domain->isd + 1;
+  domain->nyd   = domain->jed - domain->jsd + 1;
+  domain->nxg   = ni;
+  domain->nyg   = nj;
+
+  mpp_delete_domain1d(&domx);
+  mpp_delete_domain1d(&domy);
+  
+}; /* mpp_define_domain2d */
+
+/****************************************************************************
+  void mpp_delete_domain1d(domain1D *domain);
+  release the memory assigned to 1-D domain
+*****************************************************************************/
+void mpp_delete_domain1d(domain1D *domain)
+{
+
+  free(domain->beglist);
+  free(domain->endlist);
+  
+}; /* mpp_delete_domain1d */
+
+/****************************************************************************
+  void mpp_delete_domain2d(domain2D *domain);
+  release the memory assigned to 2-D domain
+*****************************************************************************/
+void mpp_delete_domain2d(domain2D *domain)
+{
+
+  free(domain->isclist);
+  free(domain->ieclist);
+  free(domain->jsclist);
+  free(domain->jeclist);
+  
+}; /* mpp_delete_domain2d */
+
+
+
+/***********************************************************
+     void get_get_compute_domain(omain2D domain, int *is, int *ie, int *js, int *je)
+    get the compute domain decomposition
+***********************************************************/
+
+void mpp_get_compute_domain2d(domain2D domain, int *is, int *ie, int *js, int *je)
+{
+  *is = domain.isc;
+  *ie = domain.iec;
+  *js = domain.jsc;
+  *je = domain.jec;
+}; /* mpp_get_compute_domain */
+
+/***********************************************************
+     void get_get_compute_domain( int *is, int *ie, int *js, int *je)
+    get the compute domain decomposition of current pe list.
+***********************************************************/
+
+void mpp_get_compute_domains2d(domain2D domain, int *is, int *ie, int *js, int *je)
+{
+  int n;
+  
+  for(n=0; n<npes;n++) {
+    is[n] = domain.isclist[n];
+    ie[n] = domain.ieclist[n];
+    js[n] = domain.jsclist[n];
+    je[n] = domain.jeclist[n];
+  }
+
+}/* mpp_get_compute_domains */
+
+/**********************************************************
+    void mpp_get_data_domain(int *is, int *ie, int *js, int *je)
+   get the data domain decomposition
+***********************************************************/
+
+void mpp_get_data_domain2d(domain2D domain, int *is, int *ie, int *js, int *je)
+{
+  *is = domain.isd;
+  *ie = domain.ied;
+  *js = domain.jsd;
+  *je = domain.jed;
+}; /* mpp_get_data_domain */ 
+
+/**********************************************************
+    void mpp_get_global_domain(int *nx, int *ny )
+   get the global domain size
+***********************************************************/
+
+void mpp_get_global_domain2d(domain2D domain, int *nx, int *ny )
+{
+  *nx = domain.nxg;
+  *ny = domain.nyg;
+}; /* mpp_get_global_domain */ 
+
+/****************************************************************
+   void mpp_get_shift(int sizex, int sizey, int *ishift, int *jshift)
+   Return the shift value. For non-symmetry domain, ishift will be always 0.
+   For symmetric domain, shift value can be 0 or 1 depending on position.
+
+****************************************************************/
+void mpp_get_shift(domain2D domain, int sizex, int sizey, int *ishift, int *jshift)
+{
+  int nxc, nyc, nxd, nyd;
+  
+  nxc = domain.nxc; nyc = domain.nyc;
+  nxd = domain.nxd; nyd = domain.nyd;
+
+  if( (sizex == nxc && sizey == nyc) || (sizex == nxd && sizey == nyd) ) { 
+    *ishift = 0;
+    *jshift = 0;
+  }
+  else if ( (sizex == nxc+1 && sizey == nyc) || (sizex == nxd+1 && sizey == nyd)) { 
+    *ishift = 1;
+    *jshift = 0;
+  }
+  else if ( (sizex == nxc && sizey == nyc+1) || (sizex == nxd && sizey == nyd+1) ) { 
+    *ishift = 0;
+    *jshift = 1;
+  }
+  else if ( (sizex == nxc+1 && sizey == nyc+1) || (sizex == nxd+1 && sizey == nyd+1) ) { 
+    *ishift = 1;
+    *jshift = 1;
+  }
+  else
+    mpp_error("mpp_domain: data should be on either compute or data domain.");
+
+}; /* mpp_get_shift */
+
+
+/*************************************************************
+    mpp_global_field_double(domain2D domain, int sizex, int sizey, const double *ldata, double *gdata)
+    get the global data on root pe.
+    ldata is on compute domain and gdata is on global domain
+************************************************************/
+void mpp_global_field_double(domain2D domain, int sizex, int sizey, const double* ldata, double* gdata)
+{
+  double *send_buffer=NULL, *recv_buffer=NULL;
+  int i, j, n, ni, nj, ii, jj, l, p, recv_size;
+  int ishift, jshift, nxc, nyc, nxd, nyd, nxg;
+  int is, ie, js, je, isd, jsd;
+  
+  mpp_get_shift( domain, sizex, sizey, &ishift, &jshift);
+  is = domain.isc;
+  ie = domain.iec + ishift;
+  js = domain.jsc;
+  je = domain.jec + jshift;
+  
+  nxc = ie-is+1;
+  nyc = je-js+1;
+  isd = domain.isd;
+  jsd = domain.jsd;
+  nxd = domain.nxd + ishift;
+  nyd = domain.nyd + jshift;
+  nxg = domain.nxg + ishift;
+  
+  /* all other pe except root pe will send data to root pe */
+  if( pe != root_pe) {
+    if( sizex == nxc && sizey == nyc ){ /* data is on compute domain */
+      mpp_send_double(ldata, sizex*sizey, root_pe);
+    }
+    else if( sizex == nxd && sizey == nyd  ){ /* data is on data domain */
+      send_buffer = (double *)malloc(nxc*nyc*sizeof(double));
+      n = 0;
+      for(j=js;j<=je;j++) {
+	for(i=is;i<=ie;i++) send_buffer[n++] = ldata[(j-jsd)*nxd+(i-isd)];
+      }
+      mpp_send_double(send_buffer, nxc*nyc, root_pe);
+    }
+    else
+      mpp_error("mpp_domain: data should be on compute/data domain");
+  }
+
+  /* receive from other pe on root pe   */
+  if( pe == root_pe ) {
+    for(p=0;p<npes;p++) {
+      if( p == root_pe) {
+	if( sizex == nxc && sizey == nyc  ){ /* data is on compute domain */
+	  n = 0;
+	  for(j=js;j<=je;j++) {
+	    for(i=is;i<=ie;i++) gdata[j*nxg+i] = ldata[n++];
+	  }
+	}
+	else {
+	  for(j=js;j<=je;j++) {
+	    for(i=is;i<=ie;i++) gdata[j*nxg+i] = ldata[(j-jsd)*nxd+(i-isd)];
+	  }
+	}
+      }
+      else {
+	recv_size = (domain.ieclist[p]-domain.isclist[p]+1+ishift)*(domain.jeclist[p]-domain.jsclist[p]+1+jshift);
+	recv_buffer = ( double *) malloc(recv_size*sizeof(double));
+	mpp_recv_double(recv_buffer, recv_size, p );
+	n = 0;
+	for(j=domain.jsclist[p]; j<=domain.jeclist[p]+jshift; j++){
+	  for(i=domain.isclist[p]; i<=domain.ieclist[p]+ishift; i++){
+	    gdata[j*nxg+i] = recv_buffer[n++];
+	  }
+	}
+	free(recv_buffer);
+      }
+    }
+  }
+
+  mpp_sync_self();
+  
+  if(send_buffer != NULL) free(send_buffer);
+}; /* mpp_global_field_double */
+
+/*************************************************************
+    mpp_global_field_double_3D(domain2D domain, int sizex, int sizey, int sizez,
+                               const double *ldata, double *gdata)
+    get the global data on root pe.
+    ldata is on compute domain and gdata is on global domain
+************************************************************/
+void mpp_global_field_double_3D(domain2D domain, int sizex, int sizey, int sizez,
+				const double* ldata, double* gdata)
+{
+  double *send_buffer=NULL, *recv_buffer=NULL;
+  int i, j, k, n, ni, nj, ii, jj, l, p, recv_size;
+  int ishift, jshift, nxc, nyc, nxd, nyd, nxg, nyg;
+  int is, ie, js, je, isd, jsd;
+  
+  mpp_get_shift( domain, sizex, sizey, &ishift, &jshift);
+  is = domain.isc;
+  ie = domain.iec + ishift;
+  js = domain.jsc;
+  je = domain.jec + jshift;
+  
+  nxc = ie-is+1;
+  nyc = je-js+1;
+  isd = domain.isd;
+  jsd = domain.jsd;
+  nxd = domain.nxd + ishift;
+  nyd = domain.nyd + jshift;
+  nxg = domain.nxg + ishift;
+  nyg = domain.nyg + ishift;
+
+  /* all other pe except root pe will send data to root pe */
+  if( pe != root_pe) {
+    if( sizex == nxc && sizey == nyc ){ /* data is on compute domain */
+      mpp_send_double(ldata, sizex*sizey*sizez, root_pe);
+    }
+    else if( sizex == nxd && sizey == nyd  ){ /* data is on data domain */
+      send_buffer = (double *)malloc(nxc*nyc*sizez*sizeof(double));
+      n = 0;
+      for(k=0; k<sizez; k++) for(j=js;j<=je;j++) {
+	for(i=is;i<=ie;i++) send_buffer[n++] = ldata[k*nxd*nyd+(j-jsd)*nxd+(i-isd)];
+      }
+      mpp_send_double(send_buffer, nxc*nyc*sizez, root_pe);
+    }
+    else
+      mpp_error("mpp_domain: data should be on compute/data domain");
+  }
+
+  /* receive from other pe on root pe   */
+  if( pe == root_pe ) {
+    for(p=0;p<npes;p++) {
+      if( p == root_pe) {
+	if( sizex == nxc && sizey == nyc  ){ /* data is on compute domain */
+	  n = 0;
+	  for(k=0;k<sizez;k++) for(j=js;j<=je;j++) {
+	    for(i=is;i<=ie;i++) gdata[k*nxg*nyg+j*nxg+i] = ldata[n++];
+	  }
+	}
+	else {
+	  for(k=0;k<sizez;k++) for(j=js;j<=je;j++) {
+	    for(i=is;i<=ie;i++) gdata[k*nxg*nyg+j*nxg+i] = ldata[k*nxd*nyd+(j-jsd)*nxd+(i-isd)];
+	  }
+	}
+      }
+      else {
+	recv_size = (domain.ieclist[p]-domain.isclist[p]+1+ishift)
+	  *(domain.jeclist[p]-domain.jsclist[p]+1+jshift)*sizez;
+	recv_buffer = ( double *) malloc(recv_size*sizeof(double));
+	mpp_recv_double(recv_buffer, recv_size, p );
+	n = 0;
+	for(k=0;k<sizez;k++) {
+	  for(j=domain.jsclist[p]; j<=domain.jeclist[p]+jshift; j++){
+	    for(i=domain.isclist[p]; i<=domain.ieclist[p]+ishift; i++){
+	      gdata[k*nxg*nyg+j*nxg+i] = recv_buffer[n++];
+	    }
+	  }
+	}
+	free(recv_buffer);
+      }
+    }
+  }
+
+  mpp_sync_self();
+  
+  if(send_buffer != NULL) free(send_buffer);
+}; /* mpp_global_field_double */
+
+/*******************************************************************************
+  void mpp_gather_field_int(int lsize, int *ldata, int *gdata)
+  gather integer data onto every processor
+*******************************************************************************/
+void mpp_gather_field_int(int lsize, int *ldata, int *gdata)
+{
+  int n, p, i;
+  int *rbuffer;
+  int *rsize;
+
+  rsize = (int *)malloc(npes*sizeof(int));
+  
+  for(p = 0; p<npes; p++) {
+    if(pe != p) { /* send to other pe. */
+      mpp_send_int(&lsize, 1, p);
+    }
+  }
+
+  for(p = 0; p<npes; p++) {
+    if(pe != p) { /* recv from other pe. */
+      mpp_recv_int(rsize+p, 1, p);
+    }
+  }
+
+  mpp_sync_self();
+
+  for(p = 0; p<npes; p++) {
+    if(pe != p) { /* send to other pe. */
+      if(lsize>0) mpp_send_int(ldata, lsize, p);
+    }
+  }  
+  n = 0;
+  /* receive from other pe and fill the gdata */
+  for(p = 0; p<npes; p++) {
+    if(pe != p) { /* recv from other pe. */
+      if(rsize[p]>0) {
+	rbuffer = ( int *) malloc(rsize[p]*sizeof(int));
+	mpp_recv_int(rbuffer, rsize[p], p );
+	for(i=0; i<rsize[p]; i++) gdata[n++] = rbuffer[i];
+	free(rbuffer);
+      }
+    }
+    else {
+      for(i=0; i<lsize; i++) gdata[n++] = ldata[i];
+    }
+  }
+
+  mpp_sync_self();
+  free(rsize);
+  
+}; /* mpp_gather_field_int */
+
+/*******************************************************************************
+  void mpp_gather_field_double(int lsize, double *ldata, double *gdata)
+  gather doubleeger data onto every processor
+*******************************************************************************/
+void mpp_gather_field_double(int lsize, double *ldata, double *gdata)
+{
+  int n, p, i;
+  double*rbuffer;
+  int *rsize;
+
+  rsize = (int *)malloc(npes*sizeof(int));
+  
+  for(p = 0; p<npes; p++) {
+    if(pe != p) { /* send to other pe. */
+      mpp_send_int(&lsize, 1, p);
+    }
+  }
+
+  for(p = 0; p<npes; p++) {
+    if(pe != p) { /* recv from other pe. */
+      mpp_recv_int(rsize+p, 1, p);
+    }
+  }
+
+  mpp_sync_self();
+
+  for(p = 0; p<npes; p++) {
+    if(pe != p) { /* send to other pe. */
+      if(lsize>0) mpp_send_double(ldata, lsize, p);
+    }
+  }  
+  n = 0;
+  /* receive from other pe and fill the gdata */
+  for(p = 0; p<npes; p++) {
+    if(pe != p) { /* recv from other pe. */
+      if(rsize[p]>0) {
+	rbuffer = (double *) malloc(rsize[p]*sizeof(double));
+	mpp_recv_double(rbuffer, rsize[p], p );
+	for(i=0; i<rsize[p]; i++) gdata[n++] = rbuffer[i];
+	free(rbuffer);
+      }
+    }
+    else {
+      for(i=0; i<lsize; i++) gdata[n++] = ldata[i];
+    }
+  }
+
+  mpp_sync_self();
+  free(rsize);
+  
+}; /* mpp_gather_field_double*/
+
diff --git a/gridspec_tools_20080702/tools/shared/mpp_domain.h b/gridspec_tools_20080702/tools/shared/mpp_domain.h
new file mode 100644
index 0000000..c742c30
--- /dev/null
+++ b/gridspec_tools_20080702/tools/shared/mpp_domain.h
@@ -0,0 +1,50 @@
+/****************************************************************
+                        mpp_domain.h 
+   This headers define interface to define domain layout, 
+   define domain decomposition and global field to root pe, 
+   some utilities routine to return domain decomposition.
+   Currently it only used in tools and assume only one domain is created. 
+   If more domains are needed, we may define a struct to hold domain informaiton.
+   contact: Zhi.Liang at noaa.gov
+
+****************************************************************/
+#ifndef MPP_DOMAIN_H_
+#define MPP_DOMAIN_H_
+
+typedef struct{
+  int start, end;           /* starting and ending index of compute domain */
+  int size;                 /* compute domain size */
+  int sizeg;                /* global domain size */
+  int *beglist, *endlist; /* list of starting and ending index of compute domain */
+} domain1D;
+
+typedef struct {
+  int isc, iec, jsc, jec;   /* compute domain decomposition */
+  int isd, ied, jsd, jed;   /* data    domain decomposition */
+  int nxc, nyc;             /* compute domain size */
+  int nxd, nyd;             /* data    domain size */
+  int nxg, nyg;             /* global  domain size */
+  int *isclist, *ieclist;   /* list of i-index of compute domain */
+  int *jsclist, *jeclist;   /* list of j-index of compute domain */
+  int xhalo, yhalo;         /* halo size */
+} domain2D;
+
+void mpp_domain_init();
+void mpp_domain_end();
+void mpp_define_layout(int ni, int nj, int ndivs, int layout[]);
+void mpp_define_domain1d(int npts, int ndvis, domain1D *domain );
+void mpp_define_domain2d(int ni, int nj, int layout[], int xhalo, int yhalo, domain2D *domain );
+void mpp_delete_domain1d(domain1D *domain);
+void mpp_delete_domain2d(domain2D *domain);
+void mpp_get_compute_domain2d(domain2D domain, int *is, int *ie, int *js, int *je);
+void mpp_get_data_domain2d(domain2D domain, int *is, int *ie, int *js, int *je);
+void mpp_get_global_domain2d(domain2D domain,  int *nx, int *ny);
+void mpp_get_compute_domains2d(domain2D domain, int *is, int *ie, int *js, int *je);
+void mpp_get_shift(domain2D domain, int sizex, int sizey, int *ishift, int *jshift);
+void mpp_global_field_double(domain2D domain, int sizex, int sizey, const double* ldata, double* gdata);
+void mpp_global_field_double_3D(domain2D domain, int sizex, int sizey, int sizez,
+				const double* ldata, double* gdata);
+void mpp_gather_field_int(int lsize, int *ldata, int *gdata);
+void mpp_gather_field_double(int lsize, double *ldata, double *gdata);
+
+#endif
diff --git a/gridspec_tools_20080702/tools/shared/mpp_io.c b/gridspec_tools_20080702/tools/shared/mpp_io.c
new file mode 100644
index 0000000..51d4c98
--- /dev/null
+++ b/gridspec_tools_20080702/tools/shared/mpp_io.c
@@ -0,0 +1,875 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdarg.h>
+#include <netcdf.h>
+#include "mpp.h"
+#include "mpp_domain.h"
+#include "mpp_io.h"
+
+#define  MAXFILE 50
+#define  MAXVAR  1024
+
+typedef struct {
+  int fldid;
+  char name[128];
+  nc_type type;
+} VarType;
+
+typedef struct {
+  int  ncid;
+  char name[512];
+  int  action;  /* indicate the action, MPP_WRITE or MPP_READ */
+  int  status;  /* indicate if the file is opened or closed */
+  int  nvar;
+  VarType *var;
+} FileType;
+
+FileType files[MAXFILE];
+int      nfiles = 0;
+
+/*********************************************************************
+    void netcdf_error( int status )
+    status is the returning value of netcdf call. this routine will
+    handle the error when status is not NC_NOERR.
+********************************************************************/
+void netcdf_error(const char *msg, int status )
+{
+  char errmsg[512];
+
+  sprintf( errmsg, "%s: %s", msg, nc_strerror(status) );
+  mpp_error(errmsg);
+
+}; /* netcdf_error */
+
+
+/*************************************************************
+ int mpp_open(char *filename, int action)
+ open netcdf file to read or write. return the id for the file opened.
+ Here the id is not the netcdf ncid of the file opened, it is the index
+ in the mpp_io data files. If the file is already opened, will exit with
+ an error message. For the write action, mpp_open can only be called once.
+ For the read action, the file could be open and then close and then open
+ again. The action should be MPP_READ, MPP_WRITE, a constant defined in
+ mpp_io.h. When action is MPP_WRITE, file will be created on root pe.
+************************************************************/
+
+int mpp_open(const char *file, int action) {
+  char curfile[128];
+  char errmsg[512];  
+  int ncid, status, n, fid;
+  
+  /* write only from root pe. */
+  if(action == MPP_WRITE && mpp_pe() != mpp_root_pe() ) return -1;
+  /*if file is not ended with .nc add .nc at the end. */
+  strcpy(curfile, file);
+  if(strstr(curfile, ".nc") == NULL) strcat(curfile,".nc");
+
+  /* look through currently files to make sure the file is not in the list*/
+  fid = -1;
+  for(n=0; n<nfiles; n++) {
+    if(!strcmp(files[n].name, file)) {
+      fid = n;
+      break;
+    }
+  }
+  if(fid > -1) {
+    if(files[n].action == MPP_WRITE) {
+      sprintf( errmsg, "mpp_io(mpp_open): %s is already created for write", file);
+      mpp_error(errmsg);
+    }
+    if(files[n].status) {
+      sprintf( errmsg, "mpp_io(mpp_open): %s is already opened", file);
+      mpp_error(errmsg);
+    }
+  }
+  else {
+    fid = nfiles;
+    nfiles++;
+    if(nfiles > MAXFILE) mpp_error("mpp_io(mpp_open): nfiles is larger than MAXFILE, increase MAXFILE");
+    strcpy(files[fid].name, file);
+    files[fid].nvar = 0;
+    files[fid].var = (VarType *)malloc(MAXVAR*sizeof(VarType));
+  }
+    
+  switch (action) {
+  case MPP_WRITE:
+#ifdef NC_64BIT_OFFSET
+    status = nc_create(curfile, NC_64BIT_OFFSET, &ncid);
+#else
+    status = nc_create(curfile, NC_WRITE, &ncid);
+#endif
+    break;
+  case MPP_READ:
+    status = nc_open(curfile,NC_NOWRITE, &ncid);
+    break;
+  default:
+    sprintf(errmsg, "mpp_io(mpp_open): the action should be MPP_WRITE or MPP_READ when opening file %s", file);
+    mpp_error(errmsg);
+  }
+  
+  if(status != NC_NOERR) {
+    sprintf(errmsg, "mpp_io(mpp_open): error in opening file %s", file);
+    netcdf_error(errmsg, status);
+  }
+
+  files[fid].ncid   = ncid;
+  files[fid].status = 1;
+  files[fid].action = action;
+  
+  return fid;
+}
+
+/* close the file */
+void mpp_close(int fid)
+{
+  int status;
+  char errmsg[512];
+
+  if(fid == -1 && mpp_pe() != mpp_root_pe() ) return;
+  
+  if(fid<0 || fid >=nfiles) mpp_error("mpp_io(mpp_close): invalid id number, id should be "
+				    "a nonnegative integer that less than nfiles");
+  
+  status = nc_close(files[fid].ncid);
+  if(status != NC_NOERR) {
+    sprintf( errmsg, "mpp_io(mpp_close): error in closing files %s ", files[fid].name);
+    netcdf_error(errmsg, status);
+  }
+  files[fid].ncid = 0;
+  files[fid].status = 0;
+  
+}
+
+/*******************************************************************************/
+/*                                                                             */
+/*           The following are routines that retrieve information              */
+/*                                                                             */
+/*******************************************************************************/
+
+/*********************************************************************
+  int mpp_get_varid(int fid, const char *varname)
+  get the id of the varname from file with fid, the id will be the index
+  in files[fid].var.
+*********************************************************************/
+int mpp_get_varid(int fid, const char *varname)
+{
+  int status, fldid, vid, n;
+  char errmsg[512];
+  
+  /* First look through existing variables to see
+     if the fldid of varname is already retrieved. */
+  if(fid<0 || fid >=nfiles) mpp_error("mpp_io(mpp_get_varid): invalid id number, id should be "
+				    "a nonnegative integer that less than nfiles");
+  
+  for(n=0; n<files[fid].nvar; n++) {
+    if( !strcmp(files[fid].var[n].name, varname) ) return n;
+  }
+
+  vid = files[fid].nvar;
+  files[fid].nvar++;
+  if(files[fid].nvar > MAXVAR ) mpp_error("mpp_io(mpp_get_varid): nvar is larger than MAXVAR, increase MAXVAR");
+  
+  status =  nc_inq_varid(files[fid].ncid, varname, &fldid);
+  if(status != NC_NOERR) {
+    sprintf(errmsg, "mpp_io(mpp_get_varid): error in get field_id of variable %s from file %s", varname, files[fid].name);
+    netcdf_error(errmsg, status);
+  }
+
+  status = nc_inq_vartype(files[fid].ncid, fldid, &(files[fid].var[vid].type));
+  if(status != NC_NOERR) {
+    sprintf(errmsg, "mpp_io(mpp_get_varid): Error in getting type of of field %s in file %s ",
+	    files[fid].var[vid].name, files[fid].name );
+    netcdf_error(errmsg, status);
+  }
+  
+  files[fid].var[vid].fldid = fldid;
+  strcpy(files[fid].var[vid].name, varname);
+  return vid;
+
+};/* mpp_get_varid */
+
+/********************************************************************
+  int mpp_get_dimlen(char* file, char *name)
+  Get the dimension.
+ *******************************************************************/
+int mpp_get_dimlen(int fid, const char *name)
+{
+  int ncid, dimid, status, len;
+  size_t size;
+  char errmsg[512];
+  
+  if(fid<0 || fid >=nfiles) mpp_error("mpp_io(mpp_get_dimlen): invalid fid number, fid should be "
+				    "a nonnegative integer that less than nfiles");
+  ncid = files[fid].ncid;
+  status = nc_inq_dimid(ncid, name, &dimid);
+  if(status != NC_NOERR) {
+    sprintf(errmsg, "mpp_io(mpp_get_dimlen): error in inquiring dimid of %s from file %s", name, files[fid].name);
+    netcdf_error(errmsg, status);
+  }
+  status = nc_inq_dimlen(ncid, dimid, &size);
+  if(status != NC_NOERR) {
+    sprintf(errmsg, "mpp_io(mpp_get_dimlen): error in inquiring dimlen of %s from file %s", name, files[fid].name);
+    netcdf_error(errmsg, status);
+  }
+  len = size;
+  return len;
+  
+}; /* mpp_get_dimlen */
+
+/*********************************************************************
+  void mpp_get_var_value(int fid, int vid, void *data)
+  read part of var data, the part is defined by start and nread.
+*********************************************************************/
+void mpp_get_var_value(int fid, int vid, void *data)
+{
+  int status;
+  char errmsg[512];
+  
+  if(fid<0 || fid >=nfiles) mpp_error("mpp_io(mpp_get_var_value_block): invalid fid number, fid should be "
+				    "a nonnegative integer that less than nfiles");
+  if(vid<0 || vid >=files[fid].nvar) mpp_error("mpp_io(mpp_get_var_value_block): invalid vid number, vid should be "
+				    "a nonnegative integer that less than nvar");
+
+  switch(files[fid].var[vid].type) {
+  case NC_DOUBLE: case NC_FLOAT:
+    status = nc_get_var_double(files[fid].ncid, files[fid].var[vid].fldid, data);
+    break;
+  case NC_INT:
+    status = nc_get_var_int(files[fid].ncid, files[fid].var[vid].fldid, data);
+    break;     
+  case NC_CHAR:
+    status = nc_get_var_text(files[fid].ncid, files[fid].var[vid].fldid, data);
+    break; 
+  default:
+    sprintf(errmsg, "mpp_io(mpp_get_var_value): field %s in file %s has an invalid type, "
+	    "the type should be NC_DOUBLE, NC_FLOAT", files[fid].var[vid].name, files[fid].name );
+    mpp_error(errmsg);
+  }    
+  if(status != NC_NOERR) {
+    sprintf(errmsg, "mpp_io(mpp_get_var_value_block): Error in getting value of variable %s from file %s",
+	    files[fid].var[vid].name, files[fid].name );
+    netcdf_error(errmsg, status);
+  }
+  
+}; /* mpp_get_var_value */
+
+/*********************************************************************
+  void mpp_get_var_value_block(int fid, int vid, const size_t *start, const size_t *nread, void *data)
+  read part of var data, the part is defined by start and nread.
+*********************************************************************/
+void mpp_get_var_value_block(int fid, int vid, const size_t *start, const size_t *nread, void *data)
+{
+  int status;
+  char errmsg[512];
+  
+  if(fid<0 || fid >=nfiles) mpp_error("mpp_io(mpp_get_var_value_block): invalid fid number, fid should be "
+				    "a nonnegative integer that less than nfiles");
+  if(vid<0 || vid >=files[fid].nvar) mpp_error("mpp_io(mpp_get_var_value_block): invalid vid number, vid should be "
+				    "a nonnegative integer that less than nvar");
+
+  switch(files[fid].var[vid].type) {
+  case NC_DOUBLE: case NC_FLOAT:
+    status = nc_get_vara_double(files[fid].ncid, files[fid].var[vid].fldid, start, nread, data);
+    break;
+  case NC_INT:
+    status = nc_get_vara_int(files[fid].ncid, files[fid].var[vid].fldid, start, nread, data);
+    break;     
+  case NC_CHAR:
+    status = nc_get_vara_text(files[fid].ncid, files[fid].var[vid].fldid, start, nread, data);
+    break; 
+  default:
+    sprintf(errmsg, "mpp_io(mpp_get_var_value): field %s in file %s has an invalid type, "
+	    "the type should be NC_DOUBLE, NC_FLOAT", files[fid].var[vid].name, files[fid].name );
+    mpp_error(errmsg);
+  }    
+  if(status != NC_NOERR) {
+    sprintf(errmsg, "mpp_io(mpp_get_var_value_block): Error in getting value of variable %s from file %s",
+	    files[fid].var[vid].name, files[fid].name );
+    netcdf_error(errmsg, status);
+  }
+  
+}; /* mpp_get_var_value_block */
+
+/*******************************************************************
+ void mpp_get_var_att(int fid, int vid, const char *name, void *val)
+ get the attribute value of vid from file fid.
+ ******************************************************************/
+void mpp_get_var_att(int fid, int vid, const char *name, void *val)
+{
+  int status;
+  char errmsg[512];
+  nc_type type;
+  
+  
+  if(fid<0 || fid >=nfiles) mpp_error("mpp_io(mpp_get_var_att): invalid fid number, fid should be "
+				    "a nonnegative integer that less than nfiles");
+  if(vid<0 || vid >=files[fid].nvar) mpp_error("mpp_io(mpp_get_var_att): invalid vid number, vid should be "
+				    "a nonnegative integer that less than nvar");
+
+  status = nc_inq_atttype(files[fid].ncid, files[fid].var[vid].fldid, name, &type);
+  if(status != NC_NOERR) {
+    sprintf(errmsg, "mpp_io(mpp_get_var_att): Error in getting type of attribute %s of field %s in file %s ",
+	    name, files[fid].var[vid].name, files[fid].name );
+    netcdf_error(errmsg, status);
+  }
+  
+  switch(type) {
+  case NC_DOUBLE: case NC_FLOAT:
+    status = nc_get_att_double(files[fid].ncid, files[fid].var[vid].fldid, name, val);
+    break;
+  default:
+    sprintf(errmsg, "mpp_io(mpp_get_var_att): attribute %s of field %s in file %s has an invalid type, "
+	    "the type should be NC_DOUBLE, NC_FLOAT", name, files[fid].var[vid].name, files[fid].name );
+    mpp_error(errmsg);
+  }
+  
+  if(status != NC_NOERR) {
+    sprintf(errmsg, "mpp_io(mpp_get_var_att): Error in getting value of attribute %s of variable %s from file %s",
+	    name, files[fid].var[vid].name, files[fid].name );
+    netcdf_error(errmsg, status);
+  }
+}
+
+/*******************************************************************
+ void mpp_get_global_att(int fid, const char *name, void *val)
+ get the global attribute from file fid.
+ ******************************************************************/
+void mpp_get_global_att(int fid, const char *name, void *val)
+{
+  int status;
+  char errmsg[512];
+  nc_type type;
+  
+  if(fid<0 || fid >=nfiles) mpp_error("mpp_io(mpp_get_global_att): invalid fid number, fid should be "
+				    "a nonnegative integer that less than nfiles");
+  status = nc_inq_atttype(files[fid].ncid, NC_GLOBAL, name, &type);
+  if(status != NC_NOERR) {
+    sprintf(errmsg, "mpp_io(mpp_get_global_att): Error in getting type of global attribute %s in file %s ",
+	    name, files[fid].name );
+    netcdf_error(errmsg, status);
+  }
+  
+  switch(type) {
+  case NC_DOUBLE: case NC_FLOAT:
+    status = nc_get_att_double(files[fid].ncid, NC_GLOBAL, name, val);
+    break;
+  case NC_CHAR:
+    status = nc_get_att_text(files[fid].ncid, NC_GLOBAL, name, val);
+    break;  
+  default:
+    sprintf(errmsg, "mpp_io(mpp_get_global_att): global attribute %s in file %s has an invalid type, "
+	    "the type should be NC_DOUBLE, NC_FLOAT", name, files[fid].name );
+    mpp_error(errmsg);
+  }
+  
+  if(status != NC_NOERR) {
+    sprintf(errmsg, "mpp_io(mpp_get_global_att): Error in getting value of global attribute %s from file %s",
+	    name, files[fid].name );
+    netcdf_error(errmsg, status);
+  }
+
+}
+
+/********************************************************************
+  int mpp_get_var_ndim(int fid, int vid)
+********************************************************************/
+int mpp_get_var_ndim(int fid, int vid)
+{
+  int status, ndim;
+  char errmsg[512];
+  
+  if(fid<0 || fid >=nfiles) mpp_error("mpp_io(mpp_get_var_ndim): invalid fid number, fid should be "
+				    "a nonnegative integer that less than nfiles");
+  if(vid<0 || vid >=files[fid].nvar) mpp_error("mpp_io(mpp_get_var_ndim): invalid vid number, vid should be "
+				    "a nonnegative integer that less than nvar");
+  
+  status = nc_inq_varndims(files[fid].ncid, files[fid].var[vid].fldid, &ndim);
+  if(status != NC_NOERR) {
+    sprintf(errmsg, "mpp_io(mpp_get_var_ndim): Error in getting ndims of var %s from file %s",
+	    files[fid].var[vid].name, files[fid].name );
+    netcdf_error(errmsg, status);
+  }
+  
+  return ndim;
+}
+
+/********************************************************************
+  nc_type mpp_get_var_type(int fid, int vid)
+  get var type
+********************************************************************/
+nc_type mpp_get_var_type(int fid, int vid)
+{
+  char errmsg[512];
+  
+  nc_type vartype;
+  int status;
+
+  if(fid<0 || fid >=nfiles) mpp_error("mpp_io(mpp_get_var_ndim): invalid fid number, fid should be "
+				    "a nonnegative integer that less than nfiles");
+  if(vid<0 || vid >=files[fid].nvar) mpp_error("mpp_io(mpp_get_var_ndim): invalid vid number, vid should be "
+				    "a nonnegative integer that less than nvar");
+  
+  status = nc_inq_vartype(files[fid].ncid, files[fid].var[vid].fldid, &vartype);
+  if(status != NC_NOERR) {
+    sprintf(errmsg, "mpp_io(mpp_get_var_type): Error in getting type of var %s from file %s",
+	    files[fid].var[vid].name, files[fid].name );
+    netcdf_error(errmsg, status);
+  }
+
+  return vartype;
+}
+
+
+/*********************************************************************
+void mpp_get_var_dimname(int fid, int vid, int i, char *name)
+For each dimension we are assuming there is a 1-d field have the same name as the dimension.
+*********************************************************************/
+void mpp_get_var_dimname(int fid, int vid, int ind, char *name)
+{
+  int status, ncid, fldid, ndims, dims[4];
+  char errmsg[512];
+  
+  if(fid<0 || fid >=nfiles) mpp_error("mpp_io(mpp_get_var_dimname): invalid fid number, fid should be "
+				    "a nonnegative integer that less than nfiles");
+  if(vid<0 || vid >=files[fid].nvar) mpp_error("mpp_io(mpp_get_var_dimname): invalid vid number, vid should be "
+				    "a nonnegative integer that less than nvar");
+  ncid = files[fid].ncid;
+  fldid = files[fid].var[vid].fldid;
+  
+  status = nc_inq_varndims(ncid, fldid, &ndims);
+  if(status != NC_NOERR) {
+    sprintf(errmsg, "mpp_io(mpp_get_var2D_dimname): Error in getting ndims of var %s from file %s",
+	    files[fid].var[vid].name, files[fid].name );
+    netcdf_error(errmsg, status);
+  }
+
+  if(ind < 0 || ind >= ndims) mpp_error("mpp_io(mpp_get_var_dimname): invalid ind value, ind should be between 0 and ndim-1");
+  
+  status = nc_inq_vardimid(ncid,fldid,dims);
+  if(status != NC_NOERR) {
+    sprintf(errmsg, "mpp_io(mpp_get_var2D_dimname): Error in getting dimid of var %s from file %s",
+	    files[fid].var[vid].name, files[fid].name );
+    netcdf_error(errmsg, status);
+  }
+  status = nc_inq_dimname(ncid, dims[ind], name);
+  if(status != NC_NOERR) {
+    sprintf(errmsg, "mpp_io(mpp_get_var2D_dimname): Error in getting %d dimension name of var %s from file %s",
+	    ind, files[fid].var[vid].name, files[fid].name );
+    netcdf_error(errmsg, status);
+  }
+
+}; /* mpp_get_var_dimname */
+
+
+/***************************************************************************
+  char mpp_get_var_cart(int fid, int vid)
+  get the cart of the dimension variable
+  *************************************************************************/
+char mpp_get_var_cart(int fid, int vid)
+{
+  char cart;
+  int ncid, fldid, status;
+  char errmsg[512];
+  
+  if(fid<0 || fid >=nfiles) mpp_error("mpp_io(mpp_get_var_cart): invalid fid number, fid should be "
+				      "a nonnegative integer that less than nfiles"); 
+  if(vid<0 || vid >=files[fid].nvar) mpp_error("mpp_io(mpp_get_var_cart): invalid vid number, vid should be "
+				    "a nonnegative integer that less than nvar");
+  cart = 'N';
+
+  ncid = files[fid].ncid;
+  fldid = files[fid].var[vid].fldid;
+  status = nc_get_att_text(ncid, fldid, "cartesian_axis", &cart);
+  if(status != NC_NOERR)status = nc_get_att_text(ncid, fldid, "axis", &cart);
+  if(status != NC_NOERR){
+    sprintf(errmsg, "mpp_io(mpp_get_var_cart): Error in getting attribute cartesian_axis/axis of "
+	    "dimension variable %s from file %s", files[fid].var[vid].name, files[fid].name );
+    netcdf_error(errmsg, status);
+  }
+    
+  return cart;
+}
+
+/***************************************************************************
+ void mpp_get_var_bndname(int fid, int vid, char *bndname)
+ Get the bound name of dimension variable if it exist, otherwise the value will be 'none'
+ for time axis, the bounds may be 'climatology' 
+ **************************************************************************/
+void mpp_get_var_bndname(int fid, int vid, char *bndname)
+{
+  int ncid, fldid, status;
+  char errmsg[512], name[32];
+  size_t siz;
+  
+  if(fid<0 || fid >=nfiles) mpp_error("mpp_io(mpp_get_var_cart): invalid fid number, fid should be "
+				      "a nonnegative integer that less than nfiles"); 
+  if(vid<0 || vid >=files[fid].nvar) mpp_error("mpp_io(mpp_get_var_cart): invalid vid number, vid should be "
+				    "a nonnegative integer that less than nvar");
+  ncid = files[fid].ncid;
+  fldid = files[fid].var[vid].fldid;  
+  strcpy(name, "climatology");
+  status = nc_inq_attlen(ncid, fldid, name, &siz);
+  if(status != NC_NOERR){
+    strcpy(name, "bounds");
+    status = nc_inq_attlen(ncid, fldid, name, &siz);
+  }
+  if(status != NC_NOERR){
+    strcpy(name, "edges");
+    status = nc_inq_attlen(ncid, fldid, name, &siz);
+  }
+  if(status != NC_NOERR) {
+    strcpy(bndname, "none");
+  }
+  else {
+    status = nc_get_att_text(ncid, fldid, name, bndname);
+    bndname[siz] = '\0';
+    if(status != NC_NOERR) {
+      sprintf(errmsg, "mpp_io(mpp_get_var_bndname): Error in getting attribute %s of "
+	      "dimension variable %s from file %s", name, files[fid].var[vid].name, files[fid].name );
+      netcdf_error(errmsg, status);
+    }
+  }  
+}
+
+/***************************************************************************
+  int mpp_var_att_exist(int fid, int vid, const char *att)
+  check the field var has the attribute "att" or not.
+***************************************************************************/
+int mpp_var_att_exist(int fid, int vid, const char *att)
+{
+  int    status;
+  size_t attlen;
+  nc_type atttype;
+
+  if(fid<0 || fid >=nfiles) mpp_error("mpp_io(mpp_var_att_exist): invalid fid number, fid should be "
+				    "a nonnegative integer that less than nfiles");
+  if(vid<0 || vid >=files[fid].nvar) mpp_error("mpp_io(mpp_var_att_exist): invalid vid number, vid should be "
+				    "a nonnegative integer that less than nvar");
+  
+  status = nc_inq_att(files[fid].ncid, files[fid].var[vid].fldid, att, &atttype, &attlen);
+  if(status == NC_NOERR) 
+    return 1;
+  else
+    return 0;
+  
+}; /* mpp_att_exist */
+
+
+/*******************************************************************************/
+/*                                                                             */
+/*     The following are routines to write out data                            */
+/*                                                                             */
+/*******************************************************************************/
+
+/********************************************************************
+ int mpp_def_dim(int fid, char* name, int size)
+ define dimension. 
+********************************************************************/
+int mpp_def_dim(int fid, const char* name, int size) {
+  int dimid, status;
+  char errmsg[512];
+  
+  if( mpp_pe() != mpp_root_pe() ) return 0;
+  if(fid<0 || fid >=nfiles) mpp_error("mpp_io(mpp_def_dim): invalid fid number, fid should be "
+				      "a nonnegative integer that less than nfiles");
+  
+  status = nc_def_dim(files[fid].ncid, name, size, &dimid);
+  if(status != NC_NOERR) {
+    sprintf(errmsg, "mpp_io(mpp_def_dim): Error in defining dimension %s of file %s",
+	    name, files[fid].name );
+    netcdf_error(errmsg, status);
+  }
+  return dimid;
+} /* mpp_def_dim */
+
+/********************************************************************
+ int mpp_def_var(nt fid, const char* name, int type, int ndim, int *dims, int natts ... )
+ define metadata of field.
+********************************************************************/
+int mpp_def_var(int fid, const char* name, nc_type type, int ndim, const int *dims, int natts, ...) {
+  int fldid, status, i, vid, ncid;
+  va_list ap;
+  char errmsg[512];
+  
+  if( mpp_pe() != mpp_root_pe() ) return 0;
+  if(fid<0 || fid >=nfiles) mpp_error("mpp_io(mpp_def_var): invalid fid number, fid should be "
+				      "a nonnegative integer that less than nfiles");
+
+  ncid = files[fid].ncid;
+  status = nc_def_var(ncid, name, type, ndim, dims, &fldid);
+  if(status != NC_NOERR) {
+    sprintf(errmsg, "mpp_io(mpp_def_var): Error in defining var %s of file %s",
+	    name, files[fid].name );
+    netcdf_error(errmsg, status);
+  }
+  vid = files[fid].nvar;
+  files[fid].nvar++;
+  if(files[fid].nvar > MAXVAR ) mpp_error("mpp_io(mpp_def_var): nvar is larger than MAXVAR, increase MAXVAR");  
+  files[fid].var[vid].fldid = fldid;
+  files[fid].var[vid].type = type;
+  strcpy(files[fid].var[vid].name, name);
+  
+  va_start(ap, natts);
+  for( i=0; i<natts; i++) {
+    char* attname = va_arg(ap, char*);
+    char* attval = va_arg(ap, char*);
+    if( attname == NULL || attval == NULL) {
+      mpp_error("mpp_io: attribute name and attribute value not defined suitably, check the arguments list.");
+    }
+    status = nc_put_att_text(ncid,fldid,attname,strlen(attval),attval);
+    if(status != NC_NOERR ) {
+      sprintf(errmsg, "mpp_io(mpp_def_var): Error in put attribute %s of var %s of file %s",
+	      attname, name, files[fid].name );
+      netcdf_error(errmsg, status);
+    }
+  }
+  va_end(ap);
+  return vid;
+} /* mpp_define_var */
+
+/*********************************************************************
+  void mpp_def_global_att(int fid, const char *name, const char *val)
+  write out global attribute
+ ********************************************************************/
+void mpp_def_global_att(int fid, const char *name, const char *val)
+{
+  size_t status;
+  char errmsg[512];
+  
+  if( mpp_pe() != mpp_root_pe() ) return;
+
+  if(fid<0 || fid >=nfiles) mpp_error("mpp_io(mpp_def_global_att): invalid fid number, fid should be "
+				      "a nonnegative integer that less than nfiles");
+  status = nc_put_att_text(files[fid].ncid, NC_GLOBAL, name, strlen(val), val);
+  if(status != NC_NOERR) {
+    sprintf(errmsg, "mpp_io(mpp_def_global_att): Error in put glboal attribute %s of file %s",
+	    name, files[fid].name );
+    netcdf_error(errmsg, status);
+  }
+  
+}; /* mpp_def_global_att */
+
+/**********************************************************************
+  void mpp_copy_var_att(fid_in, fid_out)
+  copy all the field attribute from infile to outfile
+**********************************************************************/
+void mpp_copy_var_att(int fid_in, int vid_in, int fid_out, int vid_out)
+{
+  int natt, status, i, ncid_in, ncid_out, fldid_in, fldid_out;
+  char name[256];
+  char errmsg[512];
+
+  if( mpp_pe() != mpp_root_pe() ) return;
+  
+  if(fid_in<0 || fid_in >=nfiles) mpp_error("mpp_io(mpp_copy_var_att): invalid fid_in number, fid should be "
+				      "a nonnegative integer that less than nfiles");
+  if(fid_out<0 || fid_out >=nfiles) mpp_error("mpp_io(mpp_copy_var_att): invalid fid_out number, fid should be "
+				      "a nonnegative integer that less than nfiles");
+        
+  ncid_in   = files[fid_in].ncid;
+  ncid_out  = files[fid_out].ncid;  
+  fldid_in  = files[fid_in].var[vid_in].fldid;
+  fldid_out = files[fid_out].var[vid_out].fldid;
+  
+  status = nc_inq_varnatts(ncid_in, fldid_in, &natt);
+  if(status != NC_NOERR) {
+    sprintf(errmsg, "mpp_io(mpp_copy_var_att): Error in inquiring natts of var %s of file %s",
+	    files[fid_in].var[vid_in].name, files[fid_in].name );
+    netcdf_error(errmsg, status);
+  }
+  
+  for(i=0; i<natt; i++) {
+    status = nc_inq_attname(ncid_in, fldid_in, i, name);
+    if(status != NC_NOERR) {
+      sprintf(errmsg, "mpp_io(mpp_copy_var_att): Error in inquiring %d attname of var %s of file %s", i, 
+	      files[fid_in].var[vid_in].name, files[fid_in].name );
+      netcdf_error(errmsg, status);
+    }
+    status = nc_copy_att(ncid_in, fldid_in, name, ncid_out, fldid_out);
+    if(status != NC_NOERR) {
+      sprintf(errmsg, "mpp_io(mpp_copy_var_att): Error in copying att %s of var %s of file %s", name,  
+	      files[fid_in].var[vid_in].name, files[fid_in].name );
+      netcdf_error(errmsg, status);
+    }
+  }
+
+}; /* mpp_copy_field_att */
+
+
+/**********************************************************************
+  void mpp_copy_global_att(fid_in, fid_out)
+  copy all the global attribute from infile to outfile
+**********************************************************************/
+void mpp_copy_global_att(int fid_in, int fid_out)
+{
+  int natt, status, i, ncid_in, ncid_out;
+  char name[256], errmsg[512];
+
+  if( mpp_pe() != mpp_root_pe() ) return;
+
+  if(fid_in<0 || fid_in >=nfiles) mpp_error("mpp_io(mpp_copy_global_att): invalid fid_in number, fid should be "
+				      "a nonnegative integer that less than nfiles");
+  if(fid_out<0 || fid_out >=nfiles) mpp_error("mpp_io(mpp_copy_global_att): invalid fid_out number, fid should be "
+				      "a nonnegative integer that less than nfiles");
+  ncid_in = files[fid_in].ncid;
+  ncid_out = files[fid_out].ncid;
+  
+  status = nc_inq_varnatts(ncid_in, NC_GLOBAL, &natt);
+  if(status != NC_NOERR) {
+    sprintf(errmsg, "mpp_io(mpp_copy_global_att): Error in inquiring natts(global) of file %s",
+	    files[fid_in].name );
+    netcdf_error(errmsg, status);
+  }
+
+  for(i=0; i<natt; i++) {
+    status = nc_inq_attname(ncid_in, NC_GLOBAL, i, name);
+    if(status != NC_NOERR) {
+      sprintf(errmsg, "mpp_io(mpp_copy_global_att): Error in inquiring %d global attname of file %s", i, 
+	      files[fid_in].name );
+      netcdf_error(errmsg, status);
+    }    
+
+    status = nc_copy_att(ncid_in, NC_GLOBAL, name, ncid_out, NC_GLOBAL);
+    if(status != NC_NOERR) {
+      sprintf(errmsg, "mpp_io(mpp_copy_global_att): Error in copying %d global att %s of file %s", i,  name,  
+	      files[fid_in].name );
+      netcdf_error(errmsg, status);
+    }
+  }
+
+}; /* mpp_copy_global_att */
+
+/*********************************************************************
+  void mpp_put_var_value(int fid, int vid, const void* data)
+  write out string-type data
+
+ ********************************************************************/
+void mpp_put_var_value(int fid, int vid, const void* data)
+{
+  size_t status;
+  char errmsg[600];
+  
+  if( mpp_pe() != mpp_root_pe() ) return;
+
+  if(fid<0 || fid >=nfiles) mpp_error("mpp_io(mpp_put_var_value): invalid fid number, fid should be "
+				    "a nonnegative integer that less than nfiles");
+  if(vid<0 || vid >=files[fid].nvar) mpp_error("mpp_io(mpp_put_var_value): invalid vid number, vid should be "
+				    "a nonnegative integer that less than nvar");
+
+  switch(files[fid].var[vid].type) {
+  case NC_DOUBLE: case NC_FLOAT:
+    status = nc_put_var_double(files[fid].ncid, files[fid].var[vid].fldid, data);
+    break;
+  case NC_INT:
+    status = nc_put_var_int(files[fid].ncid, files[fid].var[vid].fldid, data);
+    break;     
+  default:
+    sprintf(errmsg, "mpp_io(mpp_put_var_value): field %s in file %s has an invalid type, "
+	    "the type should be NC_DOUBLE, NC_FLOAT", files[fid].var[vid].name, files[fid].name );
+    mpp_error(errmsg);
+  }
+  
+  if(status != NC_NOERR) {
+    sprintf(errmsg, "mpp_io(mpp_put_var_value): Error in putting value of variable %s from file %s",
+	    files[fid].var[vid].name, files[fid].name );
+    netcdf_error(errmsg, status);
+  }
+  
+}; /* mpp_put_var_value*/
+
+/*********************************************************************
+  void mpp_put_var_value_block(int fid, int vid, const size_t *start, const size_t *nread, void *data)
+  read part of var data, the part is defined by start and nread.
+*********************************************************************/
+void mpp_put_var_value_block(int fid, int vid, const size_t *start, const size_t *nwrite, const void *data)
+{
+  int status;
+  char errmsg[512];
+
+  if( mpp_pe() != mpp_root_pe() ) return;
+  
+  if(fid<0 || fid >=nfiles) mpp_error("mpp_io(mpp_put_var_value_block): invalid fid number, fid should be "
+				    "a nonnegative integer that less than nfiles");
+  if(vid<0 || vid >=files[fid].nvar) mpp_error("mpp_io(mpp_put_var_value_block): invalid vid number, vid should be "
+				    "a nonnegative integer that less than nvar");
+
+  switch(files[fid].var[vid].type) {
+  case NC_DOUBLE: case NC_FLOAT:
+    status = nc_put_vara_double(files[fid].ncid, files[fid].var[vid].fldid, start, nwrite, data);
+    break;
+  case NC_INT:
+    status = nc_put_vara_int(files[fid].ncid, files[fid].var[vid].fldid, start, nwrite, data);
+    break;     
+  case NC_CHAR:
+    status = nc_put_vara_text(files[fid].ncid, files[fid].var[vid].fldid, start, nwrite, data);
+    break; 
+  default:
+    sprintf(errmsg, "mpp_io(mpp_get_var_value_block): field %s in file %s has an invalid type, "
+	    "the type should be NC_DOUBLE, NC_FLOAT", files[fid].var[vid].name, files[fid].name );
+    mpp_error(errmsg);
+  }    
+  
+  if(status != NC_NOERR) {
+    sprintf(errmsg, "mpp_io(mpp_put_var_value_block): Error in putting value of variable %s from file %s",
+	    files[fid].var[vid].name, files[fid].name );
+    netcdf_error(errmsg, status);
+  }
+  
+}; /* mpp_put_var_value_block */
+
+/*********************************************************************
+   void mpp_end_def(int ncid) 
+   end the definition of netcdf file with ncid.
+ *******************************************************************/
+void mpp_end_def(int fid) {
+  int status;
+  char errmsg[512];
+  
+  if( mpp_pe() != mpp_root_pe() ) return;
+  if(fid<0 || fid >=nfiles) mpp_error("mpp_io(mpp_end_def): invalid fid number, fid should be "
+				      "a nonnegative integer that less than nfiles");
+  
+  status = nc_enddef(files[fid].ncid);
+  if(status != NC_NOERR) {
+    sprintf(errmsg, "mpp_io(mpp_end_def): Error in end definition of file %s", files[fid].name );
+    netcdf_error(errmsg, status);
+  }
+} /* mpp_end_def */
+
+/*******************************************************************************
+  int mpp_file_exist(const char *file)
+  check to see if file exist or not.
+*******************************************************************************/
+int mpp_file_exist(const char *file)
+{
+  int status, ncid;
+  
+  status = nc_open(file,NC_NOWRITE, &ncid);
+  if(status == NC_NOERR) {
+    status = nc_close(ncid);
+    if(status != NC_NOERR) netcdf_error("mpp_file_exist(mpp_io):in closing file", status);
+    return 1;
+  }
+  else
+    return 0;
+};
+
+int mpp_field_exist(const char *file, const char *field)
+{
+  int fid, status, varid;
+
+  fid = mpp_open(file, MPP_READ);
+  status = nc_inq_varid(files[fid].ncid, field, &varid);
+  mpp_close(fid);
+
+  if(status == NC_NOERR)
+    return 1;
+  else
+    return 0;
+
+}
+
+ 
+
+
diff --git a/gridspec_tools_20080702/tools/shared/mpp_io.h b/gridspec_tools_20080702/tools/shared/mpp_io.h
new file mode 100644
index 0000000..cd3ee03
--- /dev/null
+++ b/gridspec_tools_20080702/tools/shared/mpp_io.h
@@ -0,0 +1,44 @@
+/****************************************************************
+                    mpp_io.h
+   This headers defines interface to read and write netcdf file. All the data
+will be written out from root pe. 
+
+   contact: Zhi.Liang at noaa.gov
+
+****************************************************************/
+#ifndef MPP_IO_H_
+#define MPP_IO_H_
+#include <netcdf.h>
+
+#define MPP_WRITE 100
+#define MPP_READ  200
+#define MPP_INT NC_INT
+#define MPP_DOUBLE NC_DOUBLE
+#define MPP_CHAR NC_CHAR
+
+int mpp_open(const char *file, int action);
+void mpp_close(int ncid);
+int mpp_get_varid(int fid, const char *varname);
+int mpp_get_dimlen(int fid, const char *name);
+void mpp_get_var_value(int fid, int vid, void *data);
+void mpp_get_var_value_block(int fid, int vid, const size_t *start, const size_t *nread, void *data);
+void mpp_get_var_att(int fid, int vid, const char *name, void *val);
+void mpp_get_global_att(int fid, const char *name, void *val);
+int mpp_get_var_ndim(int fid, int vid);
+nc_type mpp_get_var_type(int fid, int vid);
+void mpp_get_var_dimname(int fid, int vid, int ind, char *name);
+char mpp_get_dim_cart(int fid, const char *name);
+void mpp_get_var_bndname(int fid, int vid, char *bndname);
+int mpp_var_att_exist(int fid, int vid, const char *att);
+
+int mpp_def_dim(int fid, const char* name, int size);
+int mpp_def_var(int fid, const char* name, nc_type type, int ndim, const int *dims, int natts, ...);
+void mpp_def_global_att(int fid, const char *name, const char *val);
+void mpp_copy_var_att(int fid_in, int vid_in, int fid_out, int vid_out);
+void mpp_copy_global_att(int fid_in, int fid_out);
+void mpp_put_var_value(int fid, int vid, const void* data);
+void mpp_put_var_value_block(int fid, int vid, const size_t *start, const size_t *nread, const void *data);
+void mpp_end_def(int fid);
+int mpp_file_exist(const char *file);
+int mpp_field_exist(const char *file, const char *field);
+#endif
diff --git a/gridspec_tools_20080702/tools/shared/tool_util.c b/gridspec_tools_20080702/tools/shared/tool_util.c
new file mode 100644
index 0000000..e4aba73
--- /dev/null
+++ b/gridspec_tools_20080702/tools/shared/tool_util.c
@@ -0,0 +1,5969 @@
+
+
+#include <stdlib.h> 
+#include <stdio.h>
+#include <string.h>
+#include <math.h> 
+#include "constant.h" 
+#include "mosaic_util.h" 
+#include "tool_util.h"
+#include "interp.h"
+#include "mpp.h"
+#include "mpp_domain.h"
+#include "mpp_io.h"
+#include "conserve_interp.h"
+#include "bilinear_interp.h"
+#include "fregrid_util.h"
+
+#define  D2R (M_PI/180.)
+#define  R2D (180./M_PI)
+
+const double SMALL = 1.0e-4;
+double distant(double a, double b, double met1, double met2);
+double bp_lam(double x, double y, double bpeq, double rp);
+double bp_phi(double x, double y, double bpsp, double bpnp);
+double lon_in_range(double lon, double lon_strt);
+void vtx_insert(double *x, double *y, int *n, int n_ins);
+void vtx_delete(double *x, double *y, int *n, int n_del);
+int lon_fix(double *x, double *y, int n_in, double tlon);
+
+/***************************************************************************
+  void get_file_path(const char *file, char *dir)
+  get the directory where file is located. The dir will be the complate path
+  before the last "/". If no "/" exist in file, the path will be current ".".
+***************************************************************************/
+void get_file_path(const char *file, char *dir)
+{
+  int len;
+  char *strptr = NULL;
+
+  /* get the diretory */
+ 
+  strptr = strrchr(file, '/');
+  if(strptr) {
+    len = strptr - file;
+    strncpy(dir, file, len);
+  }
+  else {
+    len = 1;
+    strcpy(dir, ".");
+  }
+  dir[len] = 0;
+
+}; /* get_file_path */
+
+int get_int_entry(char *line, int* value)
+{
+  char* pch;
+  int num;
+  
+  pch = strtok(line, ", ");
+  num = 0;
+  while( pch != NULL) {
+    value[num++] = atoi(pch);
+    pch = strtok(NULL, ", ");
+  }
+  return num;
+    
+};
+
+int get_double_entry(char *line, double *value)
+{
+  char* pch;
+  int num;
+  
+  pch = strtok(line, ", ");
+  num = 0;
+  while( pch != NULL) {
+    value[num++] = atof(pch);
+    pch = strtok(NULL, ", ");
+  }
+  return num;
+};
+
+/*********************************************************************
+  double spherical_dist(double x1, double y1, double x2, double y2)
+  return distance between spherical grid on the earth
+*********************************************************************/
+
+double spherical_dist(double x1, double y1, double x2, double y2)
+{
+  double dist = 0.0;
+  double h1, h2;
+  
+  if(x1 == x2) {
+    h1 = RADIUS;
+    h2 = RADIUS;
+    dist = distant(y1,y2,h1,h2);
+  }
+  else if(y1 == y2) {
+    h1 = RADIUS * cos(y1*D2R);
+    h2 = RADIUS * cos(y2*D2R);
+    dist = distant(x1,x2,h1,h2);
+  }
+  else 
+    mpp_error("tool_till: This is not rectangular grid");
+
+  return dist;
+}; /* spherical_dist */
+  
+
+/*********************************************************************
+  void double bipolar_dist(double x1, double y1, double x2, double y2)
+  return distance of bipolar grids
+*********************************************************************/
+double bipolar_dist(double x1, double y1, double x2, double y2,
+		    double bpeq, double bpsp, double bpnp, double rp )
+{
+  double dist, x[2],y[2], bp_lon[2], bp_lat[2], metric[2];
+  double h1[2], h2[2], chic;
+  int n;
+  
+  x[0] = x1;  x[1] = x2;
+  y[0] = y1;  y[1] = y2;
+  
+  /*--- get the bipolar grid and metric term ----------------------------*/
+  for(n=0; n<2; n++){
+    bp_lon[n] = bp_lam(x[n],y[n],bpeq, rp);     /* longitude (degrees) in bipolar grid system */
+    bp_lat[n] = bp_phi(x[n],y[n],bpsp, bpnp);  /* latitude (degrees) in bipolar grid system */
+    h1[n]     = RADIUS*cos(bp_lat[n]*D2R);
+    h2[n]     = RADIUS;
+    metric[n] = 1.0;
+    if (fabs(y[n]-90.0) < SMALL || fabs(bp_lon[n]*D2R) >= SMALL
+	|| fabs(bp_lat[n]*D2R) >= SMALL) {
+      chic = acos(cos(bp_lon[n]*D2R)*cos(bp_lat[n]*D2R));            /* eqn. 6 */
+      metric[n] = rp*(1/pow(cos(chic/2),2))/(1+(pow(rp,2))*(pow(tan(chic/2),2)));/* eq 3 */
+    }
+  }
+
+  /*--- then calculate the distance -------------------------------------*/
+  if(x1 == x2) 
+    dist = distant(bp_lon[0],bp_lon[1],metric[0]*h1[0],metric[1]*h1[1]);
+  else if(y1 == y2) 
+    dist = distant(bp_lat[0],bp_lat[1],metric[0]*h2[0],metric[1]*h2[1]);
+  else
+    mpp_error("tool_util: This tripolar grid not transformed from rectangular grid");    
+
+  return dist;
+  
+}; /* bipolar_dist */
+
+/*********************************************************************
+  double distant(double a, double b, double met1, double met2)
+  return distant on the earth
+*********************************************************************/
+double distant(double a, double b, double met1, double met2)
+{
+   return fabs(a-b)*D2R*(met1+met2)/2. ;
+}; /* distant */
+
+/*********************************************************************
+   double spherical_area(double x1, double y1, double x2, double y2,
+                   double x3, double y3, double x4, double y4 )            
+   rectangular grid box area
+ ********************************************************************/
+double spherical_area(double x1, double y1, double x2, double y2,
+		      double x3, double y3, double x4, double y4 )
+{
+  double area, dx, lat1, lat2, x[4],y[4];
+  int i, ip;
+  
+  x[0] = x1; y[0] = y1;
+  x[1] = x2; y[1] = y2;
+  x[2] = x3; y[2] = y3;
+  x[3] = x4; y[3] = y4;
+
+  area = 0.0;
+
+  for(i=0; i<4; i++) {
+    ip = i+1;
+    if(ip ==4) ip = 0;
+    dx = (x[ip] - x[i])*D2R;
+    lat1 = y[ip]*D2R;
+    lat2 = y[i]*D2R;
+    if(dx==0.0) continue;
+    if(dx > M_PI)  dx = dx - 2.0*M_PI;
+    if(dx < -M_PI) dx = dx + 2.0*M_PI;
+
+    if (lat1 == lat2) /* cheap area calculation along latitude  */
+      area = area - dx*sin(lat1);
+    else 
+      area = area - dx*(sin(lat1)+sin(lat2))/2;   /*  TRAPEZOID_RULE */
+  }
+
+  area = area * RADIUS * RADIUS;
+
+  return area;
+}; /* spherical_area */
+
+/*********************************************************************
+   double bipolar_area(double x1, double y1, double x2, double y2,
+                       double x3, double y3, double x4, double y4 )            
+   bipolar grid  area
+ ********************************************************************/
+double bipolar_area(double x1, double y1, double x2, double y2,
+			  double x3, double y3, double x4, double y4 )
+{
+  double area, dx, lat1, lat2, x[8],y[8];
+  int i, ip, n;
+  
+  x[0] = x1; y[0] = y1;
+  x[1] = x2; y[1] = y2;
+  x[2] = x3; y[2] = y3;
+  x[3] = x4; y[3] = y4;
+
+
+  /*--- first fix the longitude at the pole -----------------------------*/
+  n = lon_fix(x, y, 4, 180.);
+
+  /*--- calculate the area ----------------------------------------------  */
+  area = 0.0;  
+  for(i=0; i<n; i++){
+    ip = i+1;
+    if(ip == n) ip = 0;
+    dx   = (x[ip] - x[i])*D2R;
+    lat1 = y[ip]*D2R;
+    lat2 = y[i]*D2R;
+    if(dx==0.0) continue;
+    if(dx > M_PI)  dx = dx - 2.0*M_PI;
+    if(dx < -M_PI) dx = dx + 2.0*M_PI;
+
+    if (lat1 == lat2)  /* cheap area calculation along latitude */
+      area = area - dx*sin(lat1);
+    else
+      area = area - dx*(sin(lat1)+sin(lat2))/2;   /*  TRAPEZOID_RULE */
+  }
+  
+  area = area * RADIUS * RADIUS;
+
+  return area;
+}; /* bipolar_area */
+
+/*********************************************************************
+  double lat_dist(double x1, double x2)
+  distance (in degrees) between points on lat. circle
+ ********************************************************************/
+  double lat_dist(double x1, double x2)
+{
+  return min(fmod(x1-x2+720,360.),fmod(x2-x1+720,360.));
+};
+
+
+/*********************************************************************
+  double bp_lam(double x, double y, double bpeq)
+  find bipolar grid longitude given geo. coordinates
+ ********************************************************************/
+  double bp_lam(double x, double y, double bpeq, double rp)
+{
+  double bp_lam;
+
+  /*  bp_lam = ((90-y)/(90-lat_join))*90 */
+  /* invert eqn. 5 with phic=0 to place point at specified geo. lat */
+  bp_lam = 2.*atan(tan((0.5*M_PI-y*D2R)/2)/rp)*R2D;
+  if (lat_dist(x,bpeq)<90.) bp_lam = -bp_lam;
+  return bp_lam;
+}; /* bp_lam */
+
+/*********************************************************************
+   double bp_phi(double x, double y, double bpsp, double bpnp)
+   find bipolar grid latitude given geo. coordinates
+ ********************************************************************/
+   double bp_phi(double x, double y, double bpsp, double bpnp)
+{
+  double bp_phi;
+
+  if (lat_dist(x,bpsp)<90.)
+    return (-90+lat_dist(x,bpsp));
+  else
+    return ( 90-lat_dist(x,bpnp));
+}; /* bp_phi */
+
+
+/*********************************************************************
+  void tp_trans(double& lon, double& lat, double lon_ref)
+  calculate tripolar grid
+ ********************************************************************/
+void tp_trans(double *lon, double *lat, double lon_ref, double lon_start, 
+		    double lam0, double bpeq, double bpsp, double bpnp, double rp )
+{
+  double lamc, phic, lams, chic, phis;
+  
+  lamc = bp_lam(*lon, *lat, bpeq, rp )*D2R;
+  phic = bp_phi(*lon, *lat, bpsp, bpnp)*D2R;
+
+  if (fabs(*lat-90.) < SMALL) {
+       if (phic > 0) 
+	 *lon=lon_in_range(lon_start,lon_ref);
+       else
+	 *lon=lon_start+180.;
+       chic = acos(cos(lamc)*cos(phic));                     /* eqn. 6 */
+       phis = M_PI*0.5-2*atan(rp*tan(chic/2));                   /* eqn. 5 */
+       *lat = phis*R2D;
+       return;
+  }
+
+  if (fabs(lamc) < SMALL && fabs(phic) < SMALL) {
+    *lat=90.;
+    *lon=lon_ref;
+  }
+  else {
+    lams = fmod(lam0+M_PI+M_PI/2-atan2(sin(lamc),tan(phic)),2*M_PI);  /* eqn. 5 */
+    chic = acos(cos(lamc)*cos(phic));                          /* eqn. 6 */
+    phis = M_PI*0.5-2*atan(rp*tan(chic/2));                        /* eqn. 5 */
+    *lon = lams*R2D;
+    *lon = lon_in_range(*lon,lon_ref); 
+    *lat = phis*R2D;
+  }
+}; /* tp_trans */
+
+/*********************************************************************
+  double Lon_in_range(double lon, double lon_strt)
+  Returns lon_strt <= longitude <= lon_strt+360
+ ********************************************************************/
+double lon_in_range(double lon, double lon_strt)
+{
+  double lon_in_range, lon_end;
+
+  lon_in_range = lon;
+  lon_end = lon_strt+360.;
+
+  if (fabs(lon_in_range - lon_strt) < SMALL) 
+    lon_in_range = lon_strt;
+  else if (fabs(lon_in_range - lon_end) < SMALL)
+    lon_in_range = lon_strt;
+  else {
+    while(1) {
+      if (lon_in_range < lon_strt)          
+	lon_in_range = lon_in_range +  360.;
+      else if (lon_in_range  >  lon_end)
+	lon_in_range  = lon_in_range - 360.;
+      else
+	break;
+    }
+  }
+  return lon_in_range;
+}; /* lon_in_range */
+
+
+/*********************************************************************
+   int lon_fix(double *x, double *y, int n_in, double tlon) 
+   fix longitude at pole.
+ ********************************************************************/
+int lon_fix(double *x, double *y, int n_in, double tlon)
+{
+  int i, ip, im, n_out;
+  double x_sum, dx;
+  
+  n_out = n_in;
+  i     = 0;
+  while( i < n_out) {
+    if(fabs(y[i]) >= 90.-SMALL) {
+      im = i - 1;
+      if(im < 0) im = im + n_out;
+      ip = i + 1;
+      if(ip >= n_out) ip = ip - n_out;
+      /*--- all pole points must be paired ---------------------------- */
+      if(y[im] == y[i] && y[ip] == y[i] ) {
+	vtx_delete(x,y, &n_out, i);
+	i = i - 1;
+      }
+      else if(y[im] != y[i] && y[ip] != y[i] ) {
+        vtx_insert(x,y,&n_out,i);
+	i = i + 1;
+      }
+    }
+    i = i + 1;
+  }
+
+  /*--- first of pole pair has longitude of previous vertex -------------
+    --- second of pole pair has longitude of subsequent vertex ---------- */
+  for(i=0;i<n_out;i++){
+    if(fabs(y[i]) >= 90.-SMALL) {
+      im= i - 1;
+      if(im < 0) im = im + n_out;
+      ip = i + 1;
+      if(ip >= n_out) ip = ip - n_out;
+
+      if(y[im] != y[i]) x[i] = x[im];
+      if(y[ip] != y[i]) x[i] = x[ip];
+    }
+  }
+
+  if(n_out == 0) return 0;
+
+  x_sum = x[1];
+  for(i=1;i< n_out;i++){
+    dx = x[i] - x[i-1];
+    if(dx < -180) 
+      dx = dx + 360;
+    else if (dx >  180)
+      dx = dx - 360;
+
+    x[i] = x[i-1] + dx;
+    x_sum = x_sum + x[i];
+  }
+
+  dx = x_sum/(n_out) - tlon;
+  if (dx < -180.) 
+    for(i=0;i<n_out;i++) x[i] = x[i] + 360.;
+  else if (dx > 180.)
+    for(i=0;i<n_out;i++) x[i] = x[i] - 360.;
+
+  return n_out;
+  
+}; /* lon_fix */
+
+
+/*********************************************************************
+   void vtx_delete(double *x, double *y, int *n, int n_del)
+   delete vertex
+ ********************************************************************/
+void vtx_delete(double *x, double *y, int *n, int n_del)
+{
+  int i;
+
+  for(i=n_del; i<=*n-2; i++)
+    {
+      x[i] = x[i+1];
+      y[i] = y[i+1];
+    }
+  (*n)--;
+}; /* vtx_delete */
+
+/*********************************************************************
+   void Vtx_insert(double *x, double *y, int *n, int n_del)
+   insert vertex
+ ********************************************************************/
+void vtx_insert(double *x, double *y, int *n, int n_ins)
+{
+  int i;
+
+  for(i=*n-1; i>=n_ins; i--){
+    x[i+1] = x[i];
+    y[i+1] = y[i];
+  }
+  (*n)++;
+
+}; /* vtx_insert */
+
+
+/*----------------------------------------------------------------------
+    void vect_cross(e, p1, p2)
+    Perform cross products of 3D vectors: e = P1 X P2
+    -------------------------------------------------------------------*/
+    
+/********************************************************************************
+  void compute_grid_bound(int nb, const couble *bnds, const int *npts, int *grid_size, const char *center_cell)
+  compute the 1-D grid location.
+********************************************************************************/
+double* compute_grid_bound(int nb, const double *bnds, const int *npts, int *grid_size, const char *center)
+{
+  int    refine, i, n, np;
+  double *grid=NULL, *tmp=NULL;
+  double *grid1=NULL, *grid2=NULL;
+
+  if(!strcmp(center, "none") )
+    refine = 1;
+  else if(!strcmp(center, "t_cell") || !strcmp(center, "c_cell") )
+    refine = 2;
+  else
+    mpp_error("tool_util: center should be 'none', 'c_cell' or 't_cell' ");
+	  
+  grid1 = (double *)malloc(nb*sizeof(double));
+  grid1[0] = 1;
+  n = 0;
+  for(i=1; i<nb; i++) {
+    if(npts[i-1]%refine) mpp_error("tool_util: when center_cell is not 'none', npts should be divided by 2");
+    n += npts[i-1]/refine;
+    grid1[i] = n+1;
+  }
+  np = n + 1;
+  *grid_size = n*refine;
+  tmp   = (double *)malloc(np*sizeof(double));
+  grid  = (double *)malloc((*grid_size+1)*sizeof(double));
+  grid2 = (double *)malloc(np*sizeof(double));
+  for(i=0;i<np;i++) grid2[i] = i + 1.0;
+
+  cubic_spline( nb, np, grid1, grid2, bnds, tmp, 1e30, 1e30);
+  if(!strcmp(center, "none")) {
+    for(i=0; i<np; i++) grid[i] = tmp[i];
+  }
+  else if(!strcmp(center, "t_cell")) {
+    for(i=0; i<np; i++) grid[2*i] = tmp[i];
+    for(i=0; i<n;  i++) grid[2*i+1] = 0.5*(tmp[i]+tmp[i+1]);
+  }
+  else if( !strcmp(center, "c_cell")) {
+    for(i=0; i<np; i++) grid[2*i] = tmp[i];
+    grid[1] = 0.5*(tmp[0]+tmp[1]);
+    for(i=1; i<n;  i++) grid[2*i+1] = 2*grid[2*i] - grid[2*i-1];
+  }
+    
+  free(grid1);
+  free(grid2);
+  free(tmp);  
+
+  return grid;
+  
+};/* compute_grid_bound */
+
+double* get_subregion(int ni, double *data, int is, int ie, int js, int je)
+{
+  int i, j, pos;
+  double *ldata;
+  
+  ldata = (double *)malloc((ie-is+1)*(je-js+1)*sizeof(double));
+  pos = 0;
+  for(j=js; j<=je; j++)
+    for(i=is; i<=ie; i++) ldata[pos++] = data[j*ni+i];
+
+  return ldata;
+  
+}; /* get_subregion */
+
+#define MAXBOUNDS 100
+#define STRINGLEN 255
+#define GRID_VERSION "0.2"
+#define TAGNAME "$Name:  $"
+
+int
+gs_make_hgrid(char *grid_type, char *entry, int nxbnds0, int nybnds0, 
+              int nxbnds1, int nybnds1, int nxbnds2, int nybnds2, double lat_join,
+              int nratio, double simple_dx, double simple_dy, int ntilex, int ntiley,
+              char *gridname, char *center)
+{
+  
+   int  ndivx[] = {1,1,1,1,1,1};
+   int  ndivy[] = {1,1,1,1,1,1};
+   char method[32] = "conformal";
+   char orientation[32] = "center_pole";
+   int  nxbnds=2, nybnds=2;
+   double xbnds[MAXBOUNDS], ybnds[MAXBOUNDS];
+   int nlon[MAXBOUNDS-1], nlat[MAXBOUNDS-1];
+   char my_grid_file[MAXBOUNDS][STRINGLEN];
+   int nx, ny, nxp, nyp, ntiles=1, ntiles_file;
+   double *x=NULL, *y=NULL, *dx=NULL, *dy=NULL, *angle_dx=NULL, *angle_dy=NULL, *area=NULL;
+  
+   char history[2560];
+   char geometry[32] = "spherical";
+   char projection[32] = "none";
+   char arcx[32] = "small_circle";
+   char north_pole_tile[32] = "0.0 90.0";
+   char north_pole_arcx[32] = "0.0 90.0";
+   char discretization[32]  = "logically_rectangular";
+   char conformal[32]       = "true";
+   char mesg[256], str[128];
+   int isc, iec, jsc, jec, nxc, nyc, layout[2];
+   domain2D domain;
+   int n, errflg, c, i;  
+
+   /* check the command-line arguments to make sure the value are suitable */
+   if( strcmp(grid_type,"regular_lonlat_grid") ==0 ) {
+      nxbnds = nxbnds0; nybnds = nybnds0;
+      if( nxbnds <2 || nybnds < 2) mpp_error("make_hgrid: grid type is 'regular_lonlat_grid', "
+      "both nxbnds and nybnds should be no less than 2");
+      if( nxbnds != nxbnds1 || nxbnds != nxbnds2+1 )
+	 mpp_error("make_hgrid: grid type is 'regular_lonlat_grid', nxbnds does"
+	 "not match number of entry in xbnds or nlon");
+      if( nybnds != nybnds1 || nybnds != nybnds2+1 )
+	 mpp_error("make_hgrid: grid type is 'regular_lonlat_grid', nybnds does "
+	 "not match number of entry in ybnds or nlat");
+   }
+   else if( strcmp(grid_type,"tripolar_grid") ==0 ) {
+      strcpy(projection, "tripolar");
+      nxbnds = nxbnds0; nybnds = nybnds0;
+      if( nxbnds != 2) mpp_error("make_hgrid: grid type is 'tripolar_grid', nxbnds should be 2");
+      if( nybnds < 2) mpp_error("make_hgrid: grid type is 'tripolar_grid', nybnds should be no less than 2");
+      if( nxbnds != nxbnds1 || nxbnds != nxbnds2+1 )
+	 mpp_error("make_hgrid: grid type is 'tripolar_grid', nxbnds does not match number of entry in xbnds or nlon");
+      if( nybnds != nybnds1 || nybnds != nybnds2+1 )
+	 mpp_error("make_hgrid: grid type is 'tripolar_grid', nybnds does not match number of entry in ybnds or nlat");
+   }
+   else if( strcmp(grid_type,"from_file") ==0 ) {
+      /* For ascii file, nlon and nlat should be specified through --nlon, --nlat
+	 For netcdf file, grid resolution will be read from grid file
+      */
+    
+      if(ntiles_file == 0) mpp_error("make_hgrid: grid_type is 'from_file', but my_grid_file is not specified");
+      ntiles = ntiles_file;
+      for(n=0; n<ntiles; n++) {
+	 if(strstr(my_grid_file[n],".nc") ) {
+	    /* get the grid size for each tile, the grid is on model grid, should need to multiply by 2 */
+	    int fid;
+	    fid = mpp_open(my_grid_file[n], MPP_READ);
+	    nlon[n] = mpp_get_dimlen(fid, "grid_xt")*2;
+	    nlat[n] = mpp_get_dimlen(fid, "grid_yt")*2;
+	    mpp_close(fid);
+	 }
+	 else {
+	    if(nxbnds2 != ntiles || nybnds2 != ntiles ) mpp_error("make_hgrid: grid type is 'from_file', number entry entered "
+	    "through --nlon and --nlat should be equal to number of files "
+	    "specified through --my_grid_file");
+	 }
+      }
+      /* for simplify purpose, currently we assume all the tile have the same grid size */
+      for(n=1; n<ntiles; n++) {
+	 if( nlon[n] != nlon[0] || nlat[n] != nlat[0])  mpp_error("make_hgrid: grid_type is from_file, all the tiles should "
+	 "have same grid size, contact developer");
+      }
+   }
+   else if( strcmp(grid_type,"simple_cartesian_grid") ==0) {
+      strcpy(geometry, "planar");
+      strcpy(north_pole_tile, "none");
+      if(nxbnds1 != 2 || nybnds1 != 2 ) mpp_error("make_hgrid: grid type is 'simple_cartesian_grid', number entry entered "
+      "through --xbnds and --ybnds should be 2");
+      if(nxbnds2 != 1 || nybnds2 != 1 ) mpp_error("make_hgrid: grid type is 'simple_cartesian_grid', number entry entered "
+      "through --nlon and --nlat should be 1");
+      if(simple_dx == 0 || simple_dy == 0) mpp_error("make_hgrid: grid_type is 'simple_cartesian_grid', "
+      "both simple_dx and simple_dy both should be specified");
+   }
+   else if ( strcmp(grid_type,"spectral_grid") ==0 ) {
+      if(nxbnds2 != 1 || nybnds2 != 1 ) mpp_error("make_hgrid: grid type is 'spectral_grid', number entry entered "
+      "through --nlon and --nlat should be 1");    
+   }
+   else if( strcmp(grid_type,"conformal_cubic_grid") ==0 ) {
+      strcpy(projection, "cube_gnomonic");
+      strcpy(conformal, "FALSE");
+      if(nxbnds2 != 1 ) mpp_error("make_hgrid: grid type is 'conformal_cubic_grid', number entry entered "
+      "through --nlon should be 1");
+      if(nratio < 1) mpp_error("make_hgrid: grid type is 'conformal_cubic_grid', nratio should be a positive integer");
+   }
+   else if(  !strcmp(grid_type,"gnomonic_ed") ) {
+      strcpy(projection, "cube_gnomonic");
+      strcpy(conformal, "FALSE");
+      if(nxbnds2 != 1 ) mpp_error("make_hgrid: grid type is 'gnomonic_cubic_grid', number entry entered "
+      "through --nlon should be 1");
+   }
+   else {
+      mpp_error("make_hgrid: only grid_type = 'regular_lonlat_grid', 'tripolar_grid', 'from_file', "
+      "'gnomonic_ed', 'conformal_cubic_grid', 'simple_cartesian_grid' and "
+      "'spectral_grid' is implemented");  
+   }
+  
+   /* get super grid size */
+
+   if( !strcmp(grid_type,"gnomonic_ed") || !strcmp(grid_type,"conformal_cubic_grid") ) {
+      nx = nlon[0];
+      ny = nx;
+   }
+   else {
+      nx = 0;
+      ny = 0;
+      for(n=0; n<nxbnds-1; n++) nx += nlon[n];
+      for(n=0; n<nybnds-1; n++) ny += nlat[n];  
+   }
+   nxp = nx + 1;
+   nyp = ny + 1;
+
+   if( !strcmp(grid_type,"gnomonic_ed") || !strcmp(grid_type,"conformal_cubic_grid") ) {
+      ntiles = 6;
+      /* Cubic grid is required to run on single processor.*/
+      if(mpp_npes() > 1) mpp_error( "make_hgrid: cubic grid generation must be run one processor, contact developer");
+   }
+   /* Currently we restrict nx can be divided by ndivx and ny can be divided by ndivy */
+   if(ntilex >0 && ntilex != ntiles) mpp_error("make_hgrid: number of entry specified through --ndivx does not equal ntiles");
+   if(ntiley >0 && ntiley != ntiles) mpp_error("make_hgrid: number of entry specified through --ndivy does not equal ntiles");   
+   for(n=0; n<ntiles; n++) {
+      if( nx%ndivx[n] ) mpp_error("make_hgrid: nx can not be divided by ndivx");
+      if( ny%ndivy[n] ) mpp_error("make_hgrid: ny can not be divided by ndivy");
+   }
+
+   if(strcmp(center,"none") && strcmp(center,"c_cell") && strcmp(center,"t_cell") )
+      mpp_error("make_hgrid: center should be 'none', 'c_cell' or 't_cell' ");
+  
+   /* set up domain decomposition, x and y will be on global domain and
+      other fields will be on compute domain. 
+   */
+
+   mpp_define_layout( nx, ny, mpp_npes(), layout);
+   mpp_define_domain2d( nx, ny, layout, 0, 0, &domain);
+   mpp_get_compute_domain2d(domain, &isc, &iec, &jsc, &jec);
+   nxc = iec - isc + 1;
+   nyc = jec - jsc + 1;
+
+   /* create grid information */
+   x        = (double *) malloc(nxp*nyp*ntiles*sizeof(double));
+   y        = (double *) malloc(nxp*nyp*ntiles*sizeof(double));
+   dx       = (double *) malloc(nxc*(nyc+1)*ntiles*sizeof(double));
+   dy       = (double *) malloc((nxc+1)*nyc*ntiles*sizeof(double));
+   area     = (double *) malloc(nxc    *nyc*ntiles*sizeof(double));
+   angle_dx = (double *) malloc((nxc+1)*(nyc+1)*ntiles*sizeof(double));
+   if( strcmp(conformal,"true") !=0 )angle_dy = (double *) malloc(nxp*nyp*ntiles*sizeof(double));
+  
+   if(strcmp(grid_type,"regular_lonlat_grid") ==0) 
+      create_regular_lonlat_grid(&nxbnds, &nybnds, xbnds, ybnds, nlon, nlat, &isc, &iec, &jsc, &jec,
+      x, y, dx, dy, area, angle_dx, center);
+   else if(strcmp(grid_type,"tripolar_grid") ==0) 
+      create_tripolar_grid(&nxbnds, &nybnds, xbnds, ybnds, nlon, nlat, &lat_join, &isc, &iec, &jsc, &jec,
+      x, y, dx, dy, area, angle_dx, center);
+   else if( strcmp(grid_type,"from_file") ==0 ) {
+      for(n=0; n<ntiles; n++) {
+	 int n1, n2, n3, n4;
+	 n1 = n * nxp * nyp;
+	 n2 = n * nx  * nyp;
+	 n3 = n * nxp * ny;
+	 n4 = n * nx  * ny;
+	 create_grid_from_file(my_grid_file[n], &nx, &ny, x+n1, y+n1, dx+n2, dy+n3, area+n4, angle_dx+n1);
+      }
+   }
+   else if(strcmp(grid_type,"simple_cartesian_grid") ==0) 
+      create_simple_cartesian_grid(xbnds, ybnds, &nx, &ny, &simple_dx, &simple_dy, &isc, &iec, &jsc, &jec,
+      x, y, dx, dy, area, angle_dx );
+   else if(strcmp(grid_type,"spectral_grid") ==0 )
+      create_spectral_grid(&nx, &ny, &isc, &iec, &jsc, &jec, x, y, dx, dy, area, angle_dx );
+   else if(strcmp(grid_type,"conformal_cubic_grid") ==0 ) 
+      create_conformal_cubic_grid(&nx, &nratio, method, orientation, x, y, dx, dy, area, angle_dx, angle_dy );
+   else if(strcmp(grid_type,"gnomonic_ed") ==0 ) 
+      create_gnomonic_cubic_grid(grid_type, &nx, x, y, dx, dy, area, angle_dx, angle_dy );
+  
+   /* write out data */
+   {
+      int fid, id_tile, id_x, id_y, id_dx, id_dy, id_area, id_angle_dx, id_angle_dy, id_arcx;
+      int dimlist[5], dims[2], i, j, l, ni, nj, nip, njp, m;
+      size_t start[4], nwrite[4];
+      double *tmp, *gdata;
+      char tilename[128] = "";
+      char outfile[128] = "";
+    
+      l = 0;
+      for(n=0 ; n< ntiles; n++) {
+	 for(j=0; j<ndivy[n]; j++) {
+	    for(i=0; i<ndivx[n]; i++) {
+	       ++l;
+	       sprintf(tilename, "tile%d", l);
+	       if(ntiles>1)
+		  sprintf(outfile, "%s.tile%d.nc", gridname, l);
+	       else
+		  sprintf(outfile, "%s.nc", gridname);
+	       fid = mpp_open(outfile, MPP_WRITE);
+	       /* define dimenison */
+	       ni = nx/ndivx[n];
+	       nj = ny/ndivy[n];
+	       nip = ni + 1;
+	       njp = nj + 1;
+	       dimlist[0] = mpp_def_dim(fid, "string", STRINGLEN);
+	       dimlist[1] = mpp_def_dim(fid, "nx", ni);
+	       dimlist[2] = mpp_def_dim(fid, "ny", nj);
+	       dimlist[3] = mpp_def_dim(fid, "nxp", nip);
+	       dimlist[4] = mpp_def_dim(fid, "nyp", njp);
+	       /* define variable */
+	       if( strcmp(north_pole_tile, "none") == 0) /* no north pole, then no projection */
+		  id_tile = mpp_def_var(fid, "tile", MPP_CHAR, 1, dimlist, 4, "standard_name", "grid_tile_spec",
+		  "geometry", geometry, "discretization", discretization, "conformal", conformal );
+	       else if( strcmp(projection, "none") == 0) 
+		  id_tile = mpp_def_var(fid, "tile", MPP_CHAR, 1, dimlist, 5, "standard_name", "grid_tile_spec",
+		  "geometry", geometry, "north_pole", north_pole_tile, "discretization",
+		  discretization, "conformal", conformal );
+	       else
+		  id_tile = mpp_def_var(fid, "tile", MPP_CHAR, 1, dimlist, 6, "standard_name", "grid_tile_spec",
+		  "geometry", geometry, "north_pole", north_pole_tile, "projection", projection,
+		  "discretization", discretization, "conformal", conformal );
+	       dims[0] = dimlist[4]; dims[1] = dimlist[3];
+	       id_x = mpp_def_var(fid, "x", MPP_DOUBLE, 2, dims, 2, "standard_name", "geographic_longitude",
+	       "units", "degree_east");
+	       id_y = mpp_def_var(fid, "y", MPP_DOUBLE, 2, dims, 2, "standard_name", "geographic_latitude",
+	       "units", "degree_north");
+	       dims[0] = dimlist[4]; dims[1] = dimlist[1];
+	       id_dx = mpp_def_var(fid, "dx", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_edge_x_distance",
+	       "units", "meters");
+	       dims[0] = dimlist[2]; dims[1] = dimlist[3];
+	       id_dy = mpp_def_var(fid, "dy", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_edge_y_distance",
+	       "units", "meters");
+	       dims[0] = dimlist[2]; dims[1] = dimlist[1];
+	       id_area = mpp_def_var(fid, "area", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_cell_area",
+	       "units", "m2" );
+	       dims[0] = dimlist[4]; dims[1] = dimlist[3];
+	       id_angle_dx = mpp_def_var(fid, "angle_dx", MPP_DOUBLE, 2, dims, 2, "standard_name",
+	       "grid_vertex_x_angle_WRT_geographic_east", "units", "degrees_east");
+	       if(strcmp(conformal, "true") != 0)
+		  id_angle_dy = mpp_def_var(fid, "angle_dy", MPP_DOUBLE, 2, dims, 2, "standard_name",
+		  "grid_vertex_y_angle_WRT_geographic_north", "units", "degrees_north");
+	       if( strcmp(north_pole_arcx, "none") == 0)
+		  id_arcx = mpp_def_var(fid, "arcx", MPP_CHAR, 1, dimlist, 1, "standard_name", "grid_edge_x_arc_type" );
+	       else
+		  id_arcx = mpp_def_var(fid, "arcx", MPP_CHAR, 1, dimlist, 2, "standard_name", "grid_edge_x_arc_type",
+		  "north_pole", north_pole_arcx );
+	       mpp_def_global_att(fid, "grid_version", GRID_VERSION);
+	       mpp_def_global_att(fid, "code_version", TAGNAME);
+	       mpp_def_global_att(fid, "history", history);
+      
+	       mpp_end_def(fid);
+	       for(m=0; m<4; m++) { start[m] = 0; nwrite[m] = 0; }
+	       nwrite[0] = strlen(tilename);
+	       mpp_put_var_value_block(fid, id_tile, start, nwrite, tilename );
+
+	       tmp = get_subregion(nxp, x+n*nxp*nyp, i*ni, (i+1)*ni, j*nj, (j+1)*nj);
+	       mpp_put_var_value(fid, id_x, tmp);
+	       free(tmp);
+	       tmp = get_subregion(nxp, y+n*nxp*nyp, i*ni, (i+1)*ni, j*nj, (j+1)*nj);
+	       mpp_put_var_value(fid, id_y, tmp);
+	       free(tmp);
+	       gdata = (double *)malloc(nx*nyp*sizeof(double));
+	       mpp_global_field_double(domain, nxc, nyc+1, dx+n*nx*nyp, gdata);
+	       tmp = get_subregion( nx, gdata, i*ni, (i+1)*ni-1, j*nj, (j+1)*nj);
+	       mpp_put_var_value(fid, id_dx, tmp);
+	       free(tmp);
+	       free(gdata);
+	       gdata = (double *)malloc(nxp*ny*sizeof(double));
+	       mpp_global_field_double(domain, nxc+1, nyc, dy+n*nxp*ny, gdata);
+	       tmp = get_subregion( nxp, gdata, i*ni, (i+1)*ni, j*nj, (j+1)*nj-1);
+	       mpp_put_var_value(fid, id_dy, tmp);
+	       free(tmp);
+	       free(gdata);	  
+	       gdata = (double *)malloc(nx*ny*sizeof(double));
+	       mpp_global_field_double(domain, nxc, nyc, area+n*nx*ny, gdata);
+	       tmp = get_subregion( nx, gdata, i*ni, (i+1)*ni-1, j*nj, (j+1)*nj-1);
+	       mpp_put_var_value(fid, id_area, tmp);
+	       free(tmp);
+	       free(gdata);
+	       gdata = (double *)malloc(nxp*nyp*sizeof(double));
+	       mpp_global_field_double(domain, nxc+1, nyc+1, angle_dx+n*nxp*nyp, gdata);
+	       tmp = get_subregion( nxp, gdata, i*ni, (i+1)*ni, j*nj, (j+1)*nj);
+	       mpp_put_var_value(fid, id_angle_dx, tmp);
+	       free(tmp);
+	       free(gdata);
+	  
+	       if(strcmp(conformal, "true") != 0) {
+		  gdata = (double *)malloc(nxp*nyp*sizeof(double));
+		  mpp_global_field_double(domain, nxc+1, nyc+1, angle_dy+n*nxp*nyp, gdata);
+		  tmp = get_subregion( nxp, gdata, i*ni, (i+1)*ni, j*nj, (j+1)*nj);
+		  mpp_put_var_value(fid, id_angle_dy, tmp);
+		  free(tmp);
+		  free(gdata);
+	       }
+	       nwrite[0] = strlen(arcx);
+	       mpp_put_var_value_block(fid, id_arcx, start, nwrite, arcx );
+	       mpp_close(fid);
+	    }
+	 }
+      }
+   }
+
+   free(x);
+   free(y);
+   free(dx);
+   free(dy);
+   free(area);
+   free(angle_dx);
+   if(strcmp(conformal, "true") != 0) free(angle_dy);
+}
+
+int
+gs_fregrid(char *history, char *mosaic_in, char *mosaic_out, char *dir_in, 
+           char *dir_out, char **input_file, int nfiles, char **output_file, 
+           int nfiles_out, char *remap_file, char **scalar_name, int nscalar,
+           char **u_name, int nvector, char **v_name, int nvector2, 
+           char *interp_method, char *test_case, double test_param, 
+           unsigned int opcode, int grid_type, unsigned int finer_step,
+           int fill_missing, int nlon, int nlat, int check_conserve, 
+           int y_at_center, double lonbegin, double lonend, double latbegin,
+           double latend, int kbegin, int kend, int lbegin, int lend)
+{
+   int     ntiles_in = 0;              /* number of tiles in input mosaic */
+   int     ntiles_out = 0;             /* number of tiles in output mosaic */
+   int     option_index, c, i, n, m, l;
+   char    txt[STRING];
+
+   Grid_config   *grid_in    = NULL;   /* store input grid  */
+   Grid_config   *grid_out   = NULL;   /* store output grid */
+   Field_config  *scalar_in  = NULL;   /* store input scalar data */
+   Field_config  *scalar_out = NULL;   /* store output scalar data */
+   Field_config  *u_in       = NULL;   /* store input vector u-component */
+   Field_config  *v_in       = NULL;   /* store input vector v-component */
+   Field_config  *u_out      = NULL;   /* store input vector u-component */
+   Field_config  *v_out      = NULL;   /* store input vector v-component */
+   File_config   *file_in    = NULL;   /* store input file information */
+   File_config   *file_out   = NULL;   /* store output file information */
+   File_config   *file2_in   = NULL;   /* store input file information */
+   File_config   *file2_out  = NULL;   /* store output file information */
+   Bound_config  *bound_T    = NULL;   /* store halo update information for T-cell*/
+   Interp_config *interp     = NULL;   /* store remapping information */
+   int save_weight_only      = 0;
+  
+   int fid;
+
+   /* check the arguments */
+   if( !mosaic_in  ) mpp_error("fregrid: input_mosaic is not specified");
+   if( !mosaic_out ) {
+      if(nlon == 0 || nlat ==0 ) mpp_error("fregrid: when output_mosaic is not specified, nlon and nlat should be specified");
+      if(lonend <= lonbegin) mpp_error("fregrid: when output_mosaic is not specified, lonEnd should be larger than lonBegin");
+      if(latend <= latbegin) mpp_error("fregrid: when output_mosaic is not specified, latEnd should be larger than latBegin");
+   }
+   else {
+      if(nlon !=0 || nlat != 0) mpp_error("fregrid: when output_mosaic is specified, nlon and nlat should not be specified");
+   }
+  
+   if( nfiles == 0) {
+      if(nvector > 0 || nscalar > 0 || nvector2 > 0)
+	 mpp_error("fregrid: when --input_file is not specified, --scalar_field, --u_field and --v_field should also not be specified");
+      if(!remap_file) mpp_error("fregrid: when --input_file is not specified, remap_file must be specified to save weight information");
+      save_weight_only = 1;
+      if(mpp_pe()==mpp_root_pe())printf("NOTE: No input file specified in this run, no data file will be regridded "
+      "and only weight information is calculated.\n");
+   }
+   else if( nfiles == 1 || nfiles ==2) {
+      if( nvector != nvector2 ) mpp_error("fregrid: number of fields specified in u_field must be the same as specified in v_field");
+      if( nscalar+nvector==0 ) mpp_error("fregrid: both scalar_field and vector_field are not specified");
+      /* when nvector =2 and nscalar=0, nfiles can be 2 otherwise nfiles must be 1 */
+      if( nscalar && nfiles != 1 )
+	 mpp_error("fregrid: when scalar_field is specified, number of files must be 1");
+      if( nfiles_out == 0 ) {
+	 for(i=0; i<nfiles; i++) strcpy(output_file[i], input_file[i]);
+      }
+      else if (nfiles_out != nfiles )
+	 mpp_error("fregrid:number of input file is not equal to number of output file");
+   }
+   else
+      mpp_error("fregrid: number of input file should be 1 or 2");
+
+   if(kbegin != 0 || kend != -1) { /* at least one of kbegin and kend is set */
+      if(kbegin < 1 || kend < kbegin) mpp_error("fregrid:KlevelBegin should be a positive integer and no larger "
+      "than KlevelEnd when you want pick certain klevel");
+   }
+   if(lbegin != 0 || lend != -1) { /* at least one of lbegin and lend is set */
+      if(lbegin < 1 || lend < lbegin) mpp_error("fregrid:LstepBegin should be a positive integer and no larger "
+      "than LstepEnd when you want pick certain Lstep");
+   }
+  
+   if(nvector > 0) {
+      opcode |= VECTOR;
+      if(grid_type == AGRID)
+	 opcode |= AGRID;
+      else if(grid_type == BGRID)
+	 opcode |= BGRID;
+   }
+  
+   /* get the mosaic information of input and output mosaic*/
+   fid = mpp_open(mosaic_in, MPP_READ);
+   ntiles_in = mpp_get_dimlen(fid, "ntiles");
+   mpp_close(fid);
+   if(mosaic_out) {
+      fid = mpp_open(mosaic_out, MPP_READ);
+      ntiles_out = mpp_get_dimlen(fid, "ntiles");
+      mpp_close(fid);
+   }
+   else
+      ntiles_out = 1;
+
+   if(!strcmp(interp_method, "conserve_order1") ) {
+      if(mpp_pe() == mpp_root_pe())printf("****fregrid: first order conservative scheme will be used for regridding.\n");
+      opcode |= CONSERVE_ORDER1;
+   }
+   else if(!strcmp(interp_method, "conserve_order2") ) {
+      if(mpp_pe() == mpp_root_pe())printf("****fregrid: second order conservative scheme will be used for regridding.\n");
+      opcode |= CONSERVE_ORDER2;
+   }
+   else if(!strcmp(interp_method, "bilinear") ) {
+      if(mpp_pe() == mpp_root_pe())printf("****fregrid: bilinear remapping scheme will be used for regridding.\n");  
+      opcode |= BILINEAR;
+   }
+   else
+      mpp_error("fregrid: interp_method must be 'conserve_order1', 'conserve_order2' or 'bilinear'");
+
+   if(test_case) {
+      if(nfiles != 1) mpp_error("fregrid: when test_case is specified, nfiles should be 1");
+      sprintf(output_file[0], "%s.%s.output", test_case, interp_method);
+   }
+
+   if(check_conserve) opcode |= CHECK_CONSERVE;
+  
+   if( opcode & BILINEAR ) {
+      int ncontact;
+      ncontact = read_mosaic_ncontacts(mosaic_in);
+      if( nlon == 0 || nlat == 0) mpp_error("fregrid: when interp_method is bilinear, nlon and nlat should be specified");
+      if(ntiles_in != 6) mpp_error("fregrid: when interp_method is bilinear, the input mosaic should be 6 tile cubic grid");
+      if(ncontact !=12)  mpp_error("fregrid: when interp_method is bilinear, the input mosaic should be 12 contact cubic grid");
+      if(mpp_npes() > 1) mpp_error("fregrid: parallel is not implemented for bilinear remapping");
+   }
+   else
+      y_at_center = 1;
+
+
+   /* memory allocation for data structure */
+   grid_in   = (Grid_config *)malloc(ntiles_in *sizeof(Grid_config));
+   grid_out  = (Grid_config *)malloc(ntiles_out*sizeof(Grid_config));
+   bound_T   = (Bound_config *)malloc(ntiles_in *sizeof(Bound_config));
+   interp    = (Interp_config *)malloc(ntiles_out*sizeof(Interp_config));
+   get_input_grid( ntiles_in, grid_in, bound_T, mosaic_in, opcode );
+   if(mosaic_out)
+      get_output_grid_from_mosaic( ntiles_out, grid_out, mosaic_out, opcode );
+   else
+      get_output_grid_by_size(ntiles_out, grid_out, lonbegin, lonend, latbegin, latend,
+      nlon, nlat, finer_step, y_at_center, opcode);
+
+   if(remap_file) set_remap_file(ntiles_out, mosaic_out, remap_file, interp, &opcode, save_weight_only);
+
+   /* preparing for the interpolation, if remapping information exist, read it from remap_file,
+      otherwise create the remapping information and write it to remap_file
+   */
+   if( opcode & BILINEAR ) /* bilinear interpolation from cubic to lalon */
+      setup_bilinear_interp(ntiles_in, grid_in, ntiles_out, grid_out, interp, opcode );
+   else
+      setup_conserve_interp(ntiles_in, grid_in, ntiles_out, grid_out, interp, opcode);
+  
+   if(save_weight_only) {
+      if(mpp_pe() == mpp_root_pe() ) {
+	 printf("NOTE: Successfully running fregrid and the following files which store weight information are generated.\n");
+	 for(n=0; n<ntiles_out; n++) {
+	    printf("****%s\n", interp[n].remap_file);
+	 }
+      }
+      mpp_end();
+      return 0;     
+   }
+  
+   file_in   = (File_config *)malloc(ntiles_in *sizeof(File_config));
+   file_out  = (File_config *)malloc(ntiles_out*sizeof(File_config));
+ 
+   if(nfiles == 2) {
+      file2_in   = (File_config *)malloc(ntiles_in *sizeof(File_config));
+      file2_out  = (File_config *)malloc(ntiles_out*sizeof(File_config));
+   }
+   if(nscalar > 0) {
+      scalar_in  = (Field_config *)malloc(ntiles_in *sizeof(Field_config));
+      scalar_out = (Field_config *)malloc(ntiles_out *sizeof(Field_config));
+   }
+   if(nvector > 0) {
+      u_in  = (Field_config *)malloc(ntiles_in *sizeof(Field_config));
+      u_out = (Field_config *)malloc(ntiles_out *sizeof(Field_config));    
+      v_in  = (Field_config *)malloc(ntiles_in *sizeof(Field_config));
+      v_out = (Field_config *)malloc(ntiles_out *sizeof(Field_config));
+   }
+  
+      
+   set_mosaic_data_file(ntiles_in, mosaic_in, dir_in, file_in,  input_file[0]);
+   set_mosaic_data_file(ntiles_out, mosaic_out, dir_out, file_out, output_file[0]);
+   if(nfiles == 2) {
+      set_mosaic_data_file(ntiles_in, mosaic_in, dir_in, file2_in,  input_file[1]);
+      set_mosaic_data_file(ntiles_out, mosaic_out, dir_out, file2_out, output_file[1]);    
+   }
+
+   for(n=0; n<ntiles_in; n++) file_in[n].fid = mpp_open(file_in[n].name, MPP_READ);
+
+   set_field_struct ( ntiles_in,   scalar_in,   nscalar, scalar_name[0], file_in);
+   set_field_struct ( ntiles_out,  scalar_out,  nscalar, scalar_name[0], file_out);
+   set_field_struct ( ntiles_in,   u_in,        nvector, u_name[0], file_in);
+   set_field_struct ( ntiles_out,  u_out,       nvector, u_name[0], file_out);
+   if(nfiles == 1) {
+      set_field_struct ( ntiles_in,   v_in,        nvector, v_name[0], file_in);
+      set_field_struct ( ntiles_out,  v_out,       nvector, v_name[0], file_out);
+   }
+   else {
+      set_field_struct ( ntiles_in,   v_in,        nvector, v_name[0], file2_in);
+      set_field_struct ( ntiles_out,  v_out,       nvector, v_name[0], file2_out);
+   }
+
+   get_input_metadata(ntiles_in, nfiles, file_in, file2_in, scalar_in, u_in, v_in, grid_in, kbegin, kend, lbegin, lend );
+
+   set_output_metadata(ntiles_in, nfiles, file_in, file2_in, scalar_in, u_in, v_in,
+   ntiles_out, file_out, file2_out, scalar_out, u_out, v_out, grid_out, history, TAGNAME );
+
+   if(nscalar > 0) get_field_missing(ntiles_in, scalar_in);
+   if(nvector > 0) {
+      get_field_missing(ntiles_in, u_in);
+      get_field_missing(ntiles_in, v_in);
+   }
+  
+   /* set time step to 1, only test scalar field now, nz need to be 1 */
+   if(test_case) {
+      if(nscalar != 1 || nvector != 0) mpp_error("fregrid: when test_case is specified, nscalar must be 1 and nvector must be 0");
+      if(scalar_in->var->nz != 1) mpp_error("fregrid: when test_case is specified, number of vertical level must be 1");
+      file_in->nt = 1;
+      file_out->nt = 1;
+   }
+   
+   /* Then doing the regridding */
+   for(m=0; m<file_in->nt; m++) {
+      int memsize, level;
+
+      write_output_time(ntiles_out, file_out, m);
+      if(nfiles > 1) write_output_time(ntiles_out, file2_out, m);
+    
+      /* first interp scalar variable */
+      for(l=0; l<nscalar; l++) {
+	 if( !scalar_in->var[l].has_taxis && m>0) continue;
+	 level = m + scalar_in->var[l].lstart;
+	 if(test_case)
+	    get_test_input_data(test_case, test_param, ntiles_in, scalar_in, grid_in, bound_T, opcode);
+	 else
+	    get_input_data(ntiles_in, scalar_in, grid_in, bound_T, l, level, opcode);
+	 allocate_field_data(ntiles_out, scalar_out, grid_out, l);
+	 if( opcode & BILINEAR )
+	    do_scalar_bilinear_interp(interp, l, ntiles_in, grid_in, grid_out, scalar_in, scalar_out, finer_step, fill_missing);
+	 else
+	    do_scalar_conserve_interp(interp, l, ntiles_in, grid_in, ntiles_out, grid_out, scalar_in, scalar_out, opcode);
+	 write_field_data(ntiles_out, scalar_out, grid_out, l, m);
+	 if(opcode & CONSERVE_ORDER2) {
+	    for(n=0; n<ntiles_in; n++) {
+	       free(scalar_in[n].grad_x);
+	       free(scalar_in[n].grad_y);
+	       if(scalar_in[n].var[l].has_missing) free(scalar_in[n].grad_mask);
+	    }
+	 }
+	 for(n=0; n<ntiles_in; n++) free(scalar_in[n].data);
+	 for(n=0; n<ntiles_out; n++) free(scalar_out[n].data);
+      }
+
+      /* then interp vector field */
+      for(l=0; l<nvector; l++) {
+	 if( !u_in[n].var[l].has_taxis && m>0) continue;
+	 level = m + u_in->var[l].lstart;
+	 get_input_data(ntiles_in, u_in, grid_in, bound_T, l, level, opcode);
+	 get_input_data(ntiles_in, v_in, grid_in, bound_T, l, level, opcode);
+	 allocate_field_data(ntiles_out, u_out, grid_out, l);
+	 allocate_field_data(ntiles_out, v_out, grid_out, l);
+	 if( opcode & BILINEAR )
+	    do_vector_bilinear_interp(interp, l, ntiles_in, grid_in, ntiles_out, grid_out, u_in, v_in, u_out, v_out, finer_step, fill_missing);
+	 else
+	    do_vector_conserve_interp(interp, l, ntiles_in, grid_in, ntiles_out, grid_out, u_in, v_in, u_out, v_out, opcode);
+      
+	 write_field_data(ntiles_out, u_out, grid_out, l, m);
+	 write_field_data(ntiles_out, v_out, grid_out, l, m);
+	 for(n=0; n<ntiles_in; n++) {
+	    free(u_in[n].data);
+	    free(v_in[n].data);
+	 }
+	 for(n=0; n<ntiles_out; n++) {
+	    free(u_out[n].data);
+	    free(v_out[n].data);
+	 }      
+      }
+   }
+
+   if(mpp_pe() == mpp_root_pe() ) {
+      printf("Successfully running fregrid and the following output file are generated.\n");
+      for(n=0; n<ntiles_out; n++) {
+	 mpp_close(file_out[n].fid);
+	 printf("****%s\n", file_out[n].name);
+	 if( nfiles > 1 ) {
+	    mpp_close(file2_out[n].fid);
+	    printf("****%s\n", file2_out[n].name);
+	 }
+      }
+   }
+   return 0;
+}
+int 
+gs_make_topog(char *history, char *mosaic_file, char *topog_type, 
+              int x_refine, int y_refine, 
+              double basin_depth, char *topog_file, double bottom_depth, 
+              double min_depth, double scale_factor, int num_filter_pass, 
+              double gauss_amp, double gauss_scale, double slope_x,
+              double slope_y, double bowl_south, double bowl_north, 
+              double bowl_west, double bowl_east, int fill_first_row, 
+              int filter_topog, int round_shallow, int fill_shallow, 
+              int deepen_shallow, int smooth_topo_allow_deepening, 
+              char *output_file)
+{
+  char   *topog_field = NULL;
+  int    option_index, i, c;
+
+  if(x_refine != 2 || y_refine != 2 ) mpp_error("Error from make_topog: x_refine and y_refine should be 2, contact developer");
+  if(mpp_pe() == mpp_root_pe()) printf("NOTE from make_topog ==> x_refine is %d, y_refine is %d\n",
+				       x_refine, y_refine);
+
+  if (strcmp(topog_type,"rectangular_basin") == 0) {
+    if(mpp_pe() == mpp_root_pe()) printf("NOTE from make_topog ==> the basin depth is %f\n",basin_depth);
+  }
+  else if (strcmp(topog_type,"gaussian") == 0) {
+    if(mpp_pe() == mpp_root_pe()){
+      printf("NOTE from make_topog ==> bottom_depth is: %f\n", bottom_depth );
+      printf("NOTE from make_topog ==> min_depth is: %f\n", min_depth );
+      printf("NOTE from make_topog ==> gauss_amp is: %f\n", gauss_amp );
+      printf("NOTE from make_topog ==> gauss_scale is: %f\n", gauss_scale );
+      printf("NOTE from make_topog ==> slope_x is: %f\n", slope_x );
+      printf("NOTE from make_topog ==> slope_y is: %f\n", slope_y );      
+    }
+  }
+  else if(strcmp(topog_type,"bowl") == 0) {
+    if(mpp_pe() == mpp_root_pe()){
+      printf("NOTE from make_topog ==> bottom_depth is: %f\n",bottom_depth);
+      printf("NOTE from make_topog ==> min_depth is: %f\n",min_depth);
+      printf("NOTE from make_topog ==> bowl_south is: %f\n",bowl_south);
+      printf("NOTE from make_topog ==> bowl_north is: %f\n",bowl_north);
+      printf("NOTE from make_topog ==> bowl_west is: %f\n",bowl_west);
+      printf("NOTE from make_topog ==> bowl_east is: %f\n",bowl_east);
+    }
+  }
+  else if(strcmp(topog_type,"idealized") == 0) {
+    if(mpp_pe() == mpp_root_pe()){
+      printf("NOTE from make_topog ==> bottom_depth is: %f\n",bottom_depth);
+      printf("NOTE from make_topog ==> min_depth is: %f\n",min_depth);
+    }
+  }
+  else if(strcmp(topog_type,"realistic") == 0) {
+    if(!topog_file || !topog_field)
+      mpp_error("Error from make_topog: when topog_type is realistic, topog_file and topog_field must be specified.");
+    if(mpp_pe() == mpp_root_pe()){
+      printf("NOTE from make_topog ==> bottom_depth is: %f\n",bottom_depth);
+      printf("NOTE from make_topog ==> min_depth is: %f\n",min_depth);
+      printf("NOTE from make_topog ==> topog_file is: %s\n", topog_file);
+      printf("NOTE from make_topog ==> topog_field is: %s\n", topog_field);
+      printf("NOTE from make_topog ==> scale_factor is: %f\n", scale_factor);
+      printf("NOTE from make_topog ==> num_filter_pass is: %d\n", num_filter_pass);
+      if(fill_first_row) printf("NOTE from make_topog ==>make first row of ocean model all land points.\n");
+      if(filter_topog) printf("NOTE from make_topog ==>will apply filter to topography.\n");
+      if(round_shallow) printf("NOTE from make_topog ==>Make cells land if depth is less than 1/2 "
+			       "mimumim depth, otherwise make ocean.\n");
+      if(fill_shallow) printf("NOTE from make_topog ==>Make cells less than minimum depth land.\n");
+      if(deepen_shallow) printf("NOTE from make_topog ==>Make cells less than minimum depth equal to minimum depth.\n");
+      if(smooth_topo_allow_deepening) printf("NOTE from make_topog ==>allow filter to deepen cells.\n");
+    }
+  }
+  else {
+    mpp_error("make_topog: topog_type should be rectangular_basin, gaussian, bowl, idealized or realistic");
+  }
+  
+  if(mpp_pe() == mpp_root_pe()) {
+    printf("**************************************************\n");
+    printf("Begin to generate topography \n");
+  }
+
+  {
+#define STRING 255
+    int m_fid, g_fid, vid;
+    int ntiles, fid, dim_ntiles, n, dims[2];
+    size_t start[4], nread[4], nwrite[4];
+    int *nx, *ny, *nxp, *nyp;
+    int *id_depth;
+    double *depth, *x, *y;
+    char **tile_files;
+    char history[512], dimx_name[128], dimy_name[128], depth_name[128];
+    char gridfile[256], griddir[256];
+    
+    /* history will be write out as global attribute
+       in output file to specify the command line arguments
+    */
+
+    /* grid should be located in the same directory of mosaic file */
+    get_file_path(mosaic_file, griddir);
+    
+    /* get mosaic dimension */
+    m_fid = mpp_open(mosaic_file, MPP_READ);
+    ntiles = mpp_get_dimlen( m_fid, "ntiles");
+    tile_files = (char **)malloc(ntiles*sizeof(double *));
+    id_depth = (int *)malloc(ntiles*sizeof(int));
+    /* loop through each tile to get tile information and set up meta data for output file */
+    fid = mpp_open(output_file, MPP_WRITE);
+    mpp_def_global_att(fid, "grid_version", GRID_VERSION);
+    mpp_def_global_att(fid, "code_version", TAGNAME);
+    mpp_def_global_att(fid, "history", history);
+    dim_ntiles = mpp_def_dim(fid, "ntiles", ntiles);
+    nx = (int *)malloc(ntiles*sizeof(int));
+    ny = (int *)malloc(ntiles*sizeof(int));
+    nxp = (int *)malloc(ntiles*sizeof(int));
+    nyp = (int *)malloc(ntiles*sizeof(int));   
+    for( n = 0; n < ntiles; n++ ) {
+      tile_files[n] = (char *)malloc(STRING*sizeof(double));
+      start[0] = n;
+      start[1] = 0;
+      nread[0] = 1;
+      nread[1] = STRING;
+      vid = mpp_get_varid(m_fid, "gridfiles");
+      mpp_get_var_value_block(m_fid, vid, start, nread, gridfile);
+      sprintf(tile_files[n], "%s/%s", griddir, gridfile);
+      g_fid = mpp_open(tile_files[n], MPP_READ);
+      nx[n] = mpp_get_dimlen(g_fid, "nx");
+      ny[n] = mpp_get_dimlen(g_fid, "ny");
+      if( nx[n]%x_refine != 0 ) mpp_error("make_topog: supergrid x-size can not be divided by x_refine");
+      if( ny[n]%y_refine != 0 ) mpp_error("make_topog: supergrid y-size can not be divided by y_refine");
+      nx[n] /= x_refine;
+      ny[n] /= y_refine;
+      nxp[n] = nx[n] + 1;
+      nyp[n] = ny[n] + 1;
+      if(ntiles == 1) {
+	strcpy(dimx_name, "nx");
+	strcpy(dimy_name, "ny");
+	strcpy(depth_name, "depth");
+      }
+      else {
+	sprintf(dimx_name, "nx_tile%d", n+1);
+	sprintf(dimy_name, "ny_tile%d", n+1);
+	sprintf(depth_name, "depth_tile%d", n+1);
+      }
+
+      dims[1] = mpp_def_dim(fid, dimx_name, nx[n]); 
+      dims[0] = mpp_def_dim(fid, dimy_name, ny[n]);
+      id_depth[n] = mpp_def_var(fid, depth_name, NC_DOUBLE, 2, dims,  2, "standard_name",
+				"topographic depth at T-cell centers", "units", "meters");
+      mpp_close(g_fid);
+    }
+    mpp_close(m_fid);
+    mpp_end_def(fid);
+
+    /* Generate topography and write out to the output_file */
+    for(n=0; n<ntiles; n++) {
+      int layout[2], isc, iec, jsc, jec, nxc, nyc, ni, i, j;
+      double *gdata, *tmp;
+      domain2D domain;
+      
+      /* define the domain, each tile will be run on all the processors. */
+      mpp_define_layout( nx[n], ny[n], mpp_npes(), layout);
+      mpp_define_domain2d( nx[n], ny[n], layout, 0, 0, &domain);
+      mpp_get_compute_domain2d( domain, &isc, &iec, &jsc, &jec);
+      nxc = iec - isc + 1;
+      nyc = jec - jsc + 1;
+      
+      depth = (double *)malloc(nxc*nyc*sizeof(double));
+      x     = (double *)malloc((nxc+1)*(nyc+1)*sizeof(double));
+      y     = (double *)malloc((nxc+1)*(nyc+1)*sizeof(double));
+      tmp   = (double *)malloc((nxc*x_refine+1)*(nyc*y_refine+1)*sizeof(double));
+      start[0] = jsc*y_refine; start[1] = isc*x_refine;
+      nread[0] = nyc*y_refine+1; nread[1] = nxc*x_refine+1;
+      ni       = nxc*x_refine+1;
+      g_fid = mpp_open(tile_files[n], MPP_READ);
+      vid = mpp_get_varid(g_fid, "x");
+      mpp_get_var_value_block(g_fid, vid, start, nread, tmp);
+      for(j = 0; j < nyc+1; j++) for(i = 0; i < nxc+1; i++)
+	x[j*(nxc+1)+i] = tmp[(j*y_refine)*ni+i*x_refine];
+      vid = mpp_get_varid(g_fid, "y");
+      mpp_get_var_value_block( g_fid, vid, start, nread, tmp);
+      mpp_close(g_fid);
+      for(j = 0; j < nyc+1; j++) for(i = 0; i < nxc+1; i++)
+	y[j*(nxc+1)+i] = tmp[(j*y_refine)*ni+i*x_refine];
+      if (strcmp(topog_type,"rectangular_basin") == 0)
+	create_rectangular_topog(nx[n], ny[n], basin_depth, depth);
+      else if (strcmp(topog_type,"gaussian") == 0)
+	create_gaussian_topog(nx[n], ny[n], x, y, bottom_depth, min_depth,
+			      gauss_amp, gauss_scale, slope_x, slope_y, depth);
+      else if (strcmp(topog_type,"bowl") == 0)
+	create_bowl_topog(nx[n], ny[n], x, y, bottom_depth, min_depth, bowl_east,
+			  bowl_south, bowl_west, bowl_north, depth);
+      else if (strcmp(topog_type,"idealized") == 0)
+	create_idealized_topog( nx[n], ny[n], x, y, bottom_depth, min_depth, depth);
+      else if (strcmp(topog_type,"realistic") == 0)
+	create_realistic_topog(nxc, nyc, x, y, topog_file, topog_field, scale_factor,
+			       fill_first_row, filter_topog, num_filter_pass,
+			       smooth_topo_allow_deepening, round_shallow, fill_shallow,
+			       deepen_shallow, min_depth, depth );
+      gdata = (double *)malloc(nx[n]*ny[n]*sizeof(double));
+      mpp_global_field_double(domain, nxc, nyc, depth, gdata);
+      mpp_put_var_value(fid, id_depth[n], gdata);
+      free(x);
+      free(y);
+      free(tmp);
+      free(depth);
+      free(gdata);
+      mpp_delete_domain2d(&domain);
+    }
+    mpp_close(fid);
+  
+    /*release memory */
+    free(id_depth);
+    for(n=0; n<ntiles; n++) free(tile_files[n]);
+    free(tile_files);
+    free(nx);
+    free(ny);
+    free(nxp);
+    free(nyp);
+  }
+  return 0;
+}
+
+#define MAXTILE 100
+#define MAXCONTACT 100
+#define SHORTSTRING 32
+
+int
+gs_make_solo_mosaic(char *history, int ntiles, char *mosaic_name, char *grid_descriptor,
+                    char **tilefile, double periodx, double periody, char *dir)
+{
+   char *pch=NULL;
+   char tiletype[MAXTILE][SHORTSTRING];
+   char tile_name[MAXTILE][STRING];
+   int nfiles=0, ncontact=0;
+   int *nxp, *nyp;
+   double **x, **y;
+   int contact_tile1[MAXCONTACT], contact_tile2[MAXCONTACT];
+   int contact_tile1_istart[MAXCONTACT], contact_tile1_iend[MAXCONTACT];
+   int contact_tile1_jstart[MAXCONTACT], contact_tile1_jend[MAXCONTACT];
+   int contact_tile2_istart[MAXCONTACT], contact_tile2_iend[MAXCONTACT];
+   int contact_tile2_jstart[MAXCONTACT], contact_tile2_jend[MAXCONTACT];
+   int c, i, n, m, l, errflg;
+    
+   /*--- if file name is not specified through -f, file name will be horizontal_grid.tile#.nc */
+   if(nfiles == 0) {
+      if(ntiles == 1) {
+	 sprintf(tilefile[0],"horizontal_grid.nc");
+      }
+      else {
+	 for(n=0; n<ntiles; n++) {
+	    sprintf(tilefile[n],"horizontal_grid.tile%d.nc",n+1);
+	 }
+      }
+   }
+   else { /* Check if ntile are matching number of grid file passed through -f */
+      if( nfiles != ntiles) mpp_error("make_solo_mosaic: number of grid files specified through -n "
+      " does not equal to number of files specified through -f = ");
+   }
+
+   n = strlen(dir);
+   if( dir[n-1] != '/') strcat(dir, "/");
+
+   /*First read all the grid files.*/
+   nxp = (int *)malloc(ntiles*sizeof(int));
+   nyp = (int *)malloc(ntiles*sizeof(int));
+   x = (double **)malloc(ntiles*sizeof(double *));
+   y = (double **)malloc(ntiles*sizeof(double *));
+   for(n=0; n<ntiles; n++) {
+      char filepath[512];
+      int fid, vid;
+      sprintf(filepath, "%s%s",dir, tilefile[n]);
+      fid = mpp_open(filepath, MPP_READ);
+      nxp[n] = mpp_get_dimlen(fid, "nxp");
+      nyp[n] = mpp_get_dimlen(fid, "nyp");
+      x[n] = (double *)malloc(nxp[n]*nyp[n]*sizeof(double));
+      y[n] = (double *)malloc(nxp[n]*nyp[n]*sizeof(double));
+      vid = mpp_get_varid(fid, "tile");
+      mpp_get_var_value(fid, vid, tile_name[n]);
+      vid = mpp_get_varid(fid, "x");
+      mpp_get_var_value(fid, vid, x[n]);
+      vid = mpp_get_varid(fid, "y");
+      mpp_get_var_value(fid, vid, y[n]);
+      mpp_close(fid);
+   }
+
+
+   /*find the contact region between tiles, currently assume the contact region are align-contact
+     There should be no contact between same directions of two tiles ( w-w, e-e, s-s, n-n)
+     We assume no contact between w-s, e-n ( will added in if needed ) . */
+   ncontact = 0;
+   for(n=0; n<ntiles; n++) {
+      for(m=n; m<ntiles; m++) {
+	 int count;
+	 int istart1[MAXCONTACT], iend1[MAXCONTACT], jstart1[MAXCONTACT], jend1[MAXCONTACT];
+	 int istart2[MAXCONTACT], iend2[MAXCONTACT], jstart2[MAXCONTACT], jend2[MAXCONTACT];
+	 count = get_align_contact(n+1, m+1, nxp[n], nyp[n], nxp[m], nyp[m], x[n], y[n], x[m], y[m],
+	 periodx, periody, istart1, iend1, jstart1, jend1, istart2, iend2,
+	 jstart2, jend2);
+	 if(ncontact+count>MAXCONTACT) mpp_error("make_solo_mosaic: number of contacts is more than MAXCONTACT");
+	 for(l=0; l<count; l++) {
+	    contact_tile1_istart[ncontact] = istart1[l];
+	    contact_tile1_iend  [ncontact] = iend1[l];
+	    contact_tile1_jstart[ncontact] = jstart1[l];
+	    contact_tile1_jend  [ncontact] = jend1[l];
+	    contact_tile2_istart[ncontact] = istart2[l];
+	    contact_tile2_iend  [ncontact] = iend2[l];
+	    contact_tile2_jstart[ncontact] = jstart2[l];
+	    contact_tile2_jend  [ncontact] = jend2[l];
+	    contact_tile1       [ncontact] = n;
+	    contact_tile2       [ncontact] = m;
+	    ncontact++;
+	 }
+      }
+   }
+
+   /* write out data */
+   {
+      char str[STRING], outfile[STRING];
+      int fid, dim_ntiles, dim_ncontact, dim_string, id_mosaic, id_gridtiles, id_contacts;
+      int id_contact_index, id_griddir, id_gridfiles, dim[2];
+      size_t start[4], nwrite[4];
+
+      sprintf(outfile, "%s.nc", mosaic_name);
+      fid = mpp_open(outfile, MPP_WRITE);
+      /* define dimenison */
+      dim_ntiles = mpp_def_dim(fid, "ntiles", ntiles);
+      if(ncontact>0) dim_ncontact = mpp_def_dim(fid, "ncontact", ncontact);
+      dim_string = mpp_def_dim(fid, "string", STRING);    
+      /* define variable */
+      id_mosaic = mpp_def_var(fid, "mosaic", MPP_CHAR, 1, &dim_string, 4, "standard_name",
+      "grid_mosaic_spec", "children", "gridtiles", "contact_regions", "contacts",
+      "grid_descriptor", grid_descriptor);
+      dim[0] = dim_ntiles; dim[1] = dim_string;
+      id_griddir   = mpp_def_var(fid, "gridlocation", MPP_CHAR, 1, &dim[1], 1,
+      "standard_name", "grid_file_location");
+      id_gridfiles = mpp_def_var(fid, "gridfiles", MPP_CHAR, 2, dim, 0);
+      id_gridtiles = mpp_def_var(fid, "gridtiles", MPP_CHAR, 2, dim, 0);
+
+      if(ncontact>0) {
+	 dim[0] = dim_ncontact; dim[1] = dim_string;
+	 id_contacts = mpp_def_var(fid, "contacts", MPP_CHAR, 2, dim, 5, "standard_name", "grid_contact_spec",
+	 "contact_type", "boundary", "alignment", "true",
+	 "contact_index", "contact_index", "orientation", "orient");
+	 id_contact_index = mpp_def_var(fid, "contact_index", MPP_CHAR, 2, dim, 1, "standard_name",
+	 "starting_ending_point_index_of_contact");
+
+      }
+      mpp_def_global_att(fid, "grid_version", GRID_VERSION);
+      mpp_def_global_att(fid, "code_version", TAGNAME);
+      mpp_def_global_att(fid, "history", history);
+      mpp_end_def(fid);
+
+      /* write out data */
+      for(i=0; i<4; i++) {
+	 start[i] = 0; nwrite[i] = 1;
+      }
+      nwrite[0] = strlen(mosaic_name);
+      mpp_put_var_value_block(fid, id_mosaic, start, nwrite, mosaic_name);
+      nwrite[0] = strlen(dir);
+      mpp_put_var_value_block(fid, id_griddir, start, nwrite, dir);
+      nwrite[0] = 1;
+      for(n=0; n<ntiles; n++) {
+	 start[0] = n; nwrite[1] = strlen(tile_name[n]);
+	 mpp_put_var_value_block(fid, id_gridtiles, start, nwrite, tile_name[n]);
+	 nwrite[1] = strlen(tilefile[n]);
+	 mpp_put_var_value_block(fid, id_gridfiles, start, nwrite, tilefile[n]);
+      }
+    
+      for(n=0; n<ncontact; n++) {
+	 sprintf(str,"%s:%s::%s:%s", mosaic_name, tile_name[contact_tile1[n]], mosaic_name,
+	 tile_name[contact_tile2[n]]);
+	 start[0] = n; nwrite[1] = strlen(str);
+	 mpp_put_var_value_block(fid, id_contacts, start, nwrite, str);
+	 sprintf(str,"%d:%d,%d:%d::%d:%d,%d:%d", contact_tile1_istart[n], contact_tile1_iend[n],
+	 contact_tile1_jstart[n], contact_tile1_jend[n], contact_tile2_istart[n],
+	 contact_tile2_iend[n], contact_tile2_jstart[n], contact_tile2_jend[n] );
+	 nwrite[1] = strlen(str);
+	 mpp_put_var_value_block(fid, id_contact_index, start, nwrite, str);
+      }
+      mpp_close(fid);    
+   }
+   return 0;
+}
+
+#include "create_xgrid.h"
+#include "constant.h"
+#include "mosaic_util.h"
+#include "tool_util.h"
+
+const double LARGE_VALUE       = 1e20;
+const int    X_CYCLIC          = 1;
+const int    Y_CYCLIC          = 2;
+const int    CUBIC_GRID        = 4;
+const int    x_refine          = 2;
+const int    y_refine          = 2;
+const double EPSLN             = 1.e-4;
+const double MIN_AREA_RATIO    = 1.e-6;
+const char   subA_name[]       = "subA";
+const char   tocell_name[]     = "tocell";
+const char   travel_name[]     = "travel";
+const char   basin_name[]      = "basin";
+const char   cellarea_name[]   = "cellarea";
+const char   celllength_name[] = "celllength";
+const char   landfrac_name[]   = "land_frac";
+const char   version[]         = "0.1";
+const int    ncells = 3;
+char   xaxis_name[128];
+char   yaxis_name[128];
+char   gridx_name[] = "grid_x";
+char   gridy_name[] = "grid_y";
+char   x_name[]     = "x";
+char   y_name[]     = "y";
+int    sizeof_int  = 0;
+int    sizeof_double = 0;
+double suba_cutoff = 1.e12;  
+#define D2R (M_PI/180.)
+
+
+int
+gs_river_regrid(char *history, char *mosaic_file, char *river_src_file, 
+   char *output_file)
+{
+   unsigned int opcode = 0;  
+   int          option_index, c;
+   int          ntiles, n;
+   char         land_mosaic_dir[256];
+   char         land_mosaic[256];
+   char         land_mosaic_file[256];  
+  
+   river_type river_in;
+   river_type *river_out; /* may be more than one tile */
+
+   /* check the arguments */
+   if( !mosaic_file    ) mpp_error("fregrid: mosaic_grid is not specified");
+   if( !river_src_file ) mpp_error("fregrid: river_source_file is not specified");
+
+#ifdef test_qsort  
+   {
+      /* test qsort_index here */
+      int    i, size = 7;
+      double array[]={12,5,18,25,14, 4,11};
+      int    rank[]={1,2,3,4,5,6,7};
+
+      qsort_index(array, 0, size-1, rank);
+      for(i=0; i<size; i++) printf("value = %f, rank = %d \n", array[i], rank[i]);
+   }
+#endif
+  
+   /* First read the source data and source grid */
+   get_source_data(river_src_file, &river_in);
+
+   /* get the mosaic grid information */
+   {
+      int fid, vid;
+      get_file_path(mosaic_file, land_mosaic_dir);
+      fid = mpp_open(mosaic_file, MPP_READ);
+      vid = mpp_get_varid(fid, "lnd_mosaic_file");
+      mpp_get_var_value(fid, vid, land_mosaic_file);
+      sprintf(land_mosaic, "%s/%s", land_mosaic_dir, land_mosaic_file);
+      mpp_close(fid);
+      fid = mpp_open(land_mosaic, MPP_READ);
+      ntiles = mpp_get_dimlen( fid, "ntiles");
+      mpp_close(fid);
+   }
+   river_out = (river_type *)malloc(ntiles*sizeof(river_type));
+  
+   get_mosaic_grid(mosaic_file, land_mosaic, ntiles, river_out, &opcode);
+
+   init_river_data(ntiles, river_out, &river_in);
+  
+   calc_max_subA(&river_in, river_out, ntiles, opcode );
+
+   calc_tocell(ntiles, river_out, opcode );
+
+   calc_river_data(ntiles, river_out, opcode );
+
+   sort_basin(ntiles, river_out);
+  
+   check_river_data(ntiles, river_out);
+  
+   write_river_data(river_src_file, output_file, river_out, history, ntiles);
+  
+   printf("Successfully running river_regrid and the following output file are generated.\n");
+   for(n=0; n<ntiles; n++) printf("****%s\n", river_out[n].filename);
+   return 0;
+}
+
+/*------------------------------------------------------------------------------
+  void get_source_data(char *src_file)
+  read the source file to get the source grid and river network data
+  -----------------------------------------------------------------------------*/
+void get_source_data(const char *src_file, river_type *river_data)
+{
+   int nx, ny, nxp, nyp;
+   int i, j;
+   int fid, vid;
+   double dbl_missing;
+
+   fid = mpp_open(src_file, MPP_READ);
+   vid = mpp_get_varid(fid, subA_name);
+  
+   mpp_get_var_dimname(fid, vid, 1, xaxis_name);
+   mpp_get_var_dimname(fid, vid, 0, yaxis_name);
+   nx  = mpp_get_dimlen(fid, xaxis_name );
+   ny  = mpp_get_dimlen(fid, yaxis_name );
+   nxp = nx + 1;
+   nyp = ny + 1;
+   river_data->nx  = nx;
+   river_data->ny  = ny;
+  
+   river_data->xt   = (double *)malloc(nx*sizeof(double));
+   river_data->yt   = (double *)malloc(ny*sizeof(double));
+   river_data->xb   = (double *)malloc(nxp*sizeof(double)); 
+   river_data->yb   = (double *)malloc(nyp*sizeof(double));
+   river_data->xb_r = (double *)malloc(nxp*sizeof(double)); 
+   river_data->yb_r = (double *)malloc(nyp*sizeof(double));
+   river_data->subA = (double *)malloc(nx*ny*sizeof(double));
+   mpp_get_var_att(fid, vid, "missing_value", &(river_data->subA_missing) );
+   vid = mpp_get_varid(fid, tocell_name);
+   mpp_get_var_att(fid, vid, "missing_value", &dbl_missing );
+   river_data->tocell_missing = dbl_missing;
+   vid = mpp_get_varid(fid, travel_name);
+   mpp_get_var_att(fid, vid, "missing_value", &dbl_missing );
+   river_data->travel_missing = dbl_missing;
+   vid = mpp_get_varid(fid, basin_name);
+   mpp_get_var_att(fid, vid, "missing_value", &dbl_missing );
+   river_data->basin_missing = dbl_missing;
+   vid = mpp_get_varid(fid, cellarea_name);
+   mpp_get_var_att(fid, vid, "missing_value", &(river_data->cellarea_missing) );
+   vid = mpp_get_varid(fid, celllength_name);
+   mpp_get_var_att(fid, vid, "missing_value", &(river_data->celllength_missing) );
+
+   vid = mpp_get_varid(fid, subA_name);
+   mpp_get_var_value(fid, vid, river_data->subA);
+   vid = mpp_get_varid(fid, xaxis_name);
+   mpp_get_var_value(fid, vid, river_data->xt);
+   vid = mpp_get_varid(fid, yaxis_name);
+   mpp_get_var_value(fid, vid, river_data->yt);
+   mpp_close(fid);
+  
+   for(i=1; i<nx; i++ ) river_data->xb[i] = 0.5*(river_data->xt[i-1]+river_data->xt[i]);
+   for(j=1; j<ny; j++ ) river_data->yb[j] = 0.5*(river_data->yt[j-1]+river_data->yt[j]);
+   river_data->xb[0] = 2*river_data->xt[0] - river_data->xb[1];
+   river_data->yb[0] = 2*river_data->yt[0] - river_data->yb[1];
+   river_data->xb[nx] = 2*river_data->xt[nx-1] - river_data->xb[nx-1];
+   river_data->yb[ny] = 2*river_data->yt[ny-1] - river_data->yb[ny-1];
+
+   /* make sure the xb is in the range [0,360] and yb is in the range [-90,90] */
+   if(fabs(river_data->xb[0]) > EPSLN) mpp_error("river_regrid: The starting longitude of grid bound is not 0");
+   if(fabs(river_data->xb[nx]-360) > EPSLN) mpp_error("river_regrid: The ending longitude of grid bound is not 360");  
+   if(fabs(river_data->yb[0]+90) > EPSLN) mpp_error("river_regrid: The starting latitude of grid bound is not -90");
+   if(fabs(river_data->yb[ny]-90) > EPSLN) mpp_error("river_regrid: The ending latitude of grid bound is not 90");  
+   river_data->xb[0]  = 0.;
+   river_data->xb[nx] = 360.;
+   river_data->yb[0]  = -90.;
+   river_data->yb[ny] = 90.;
+   for(j=0; j<nyp; j++) river_data->yb_r[j] = river_data->yb[j]*D2R;
+   for(i=0; i<nxp; i++) river_data->xb_r[i] = river_data->xb[i]*D2R;
+
+}
+
+/*----------------------------------------------------------------------
+  read the grid of detination mosaic. 
+  void get_mosaic_grid(char *file)
+  where file is the coupler mosaic file.
+  --------------------------------------------------------------------*/
+void get_mosaic_grid(const char *coupler_mosaic, const char *land_mosaic, int ntiles, river_type *river_data, unsigned int *opcode)
+{
+   int    n_xgrid_files, nx, ny, nxp, nyp, ni, nj, nip, njp;
+   int    n, m, i, j, ii, jj, nxp2, nyp2;
+   size_t start[4], nread[4];
+   char   dir[STRING], gridfile[STRING], tilefile[STRING];
+   char   tilename[STRING], land_mosaic_name[STRING];
+   char   **xgrid_file;
+   double *x, *y;
+   double **pxt, **pyt;
+   char *pfile;
+   int  m_fid, m_vid, g_fid, g_vid;
+
+   /* coupler_mosaic, land_mosaic, and exchange grid file should be located in the same directory */
+   get_file_path(coupler_mosaic, dir);
+  
+   m_fid = mpp_open(coupler_mosaic, MPP_READ);
+   m_vid = mpp_get_varid(m_fid, "lnd_mosaic");
+   mpp_get_var_value(m_fid, m_vid, land_mosaic_name);
+  
+   /* get the exchange grid file name */
+   n_xgrid_files = mpp_get_dimlen(m_fid, "nfile_aXl");
+   xgrid_file = (char **)malloc(n_xgrid_files*sizeof(char *));
+
+   m_vid = mpp_get_varid(m_fid, "aXl_file");
+   for(n=0; n<n_xgrid_files; n++) {
+      xgrid_file[n] = (char *)malloc(STRING*sizeof(char));
+      start[0] = n;
+      start[1] = 0;
+      nread[0] = 1;
+      nread[1] = STRING;    
+      mpp_get_var_value_block(m_fid, m_vid, start, nread, xgrid_file[n]);
+   }
+   mpp_close(m_fid);
+   m_fid = mpp_open(land_mosaic, MPP_READ);
+   m_vid = mpp_get_varid(m_fid, "gridfiles");
+  
+   for( n = 0; n < ntiles; n++ ) {
+      double *area;
+    
+      start[0] = n;
+      start[1] = 0;
+      nread[0] = 1;
+      nread[1] = STRING;
+      mpp_get_var_value_block(m_fid, m_vid, start, nread, tilefile);
+      sprintf(gridfile, "%s/%s", dir, tilefile);
+      g_fid = mpp_open(gridfile, MPP_READ);
+      ni = mpp_get_dimlen(g_fid, "nx");
+      nj = mpp_get_dimlen(g_fid, "ny");
+      nip = ni + 1;
+      njp = nj + 1;
+      x = (double *)malloc(nip*njp*sizeof(double));
+      y = (double *)malloc(nip*njp*sizeof(double));
+      g_vid = mpp_get_varid(g_fid, "x");
+      mpp_get_var_value(g_fid, g_vid, x);
+      g_vid = mpp_get_varid(g_fid, "y");
+      mpp_get_var_value(g_fid, g_vid, y);
+      mpp_close(g_fid);
+      if( ni%x_refine != 0 ) mpp_error("river_regrid: supergrid x-size can not be divided by x_refine");
+      if( nj%y_refine != 0 ) mpp_error("river_regrid: supergrid y-size can not be divided by y_refine");
+      nx   = ni/x_refine;
+      ny   = nj/y_refine;
+      nxp  = nx + 1;
+      nyp  = ny + 1;
+      nxp2 = nx + 2;
+      nyp2 = ny + 2;
+      river_data[n].nx       = nx;
+      river_data[n].ny       = ny;
+      river_data[n].xt       = (double *)malloc(nxp2*nyp2*sizeof(double));        
+      river_data[n].yt       = (double *)malloc(nxp2*nyp2*sizeof(double));
+      river_data[n].xb       = (double *)malloc(nxp*nyp*sizeof(double));
+      river_data[n].yb       = (double *)malloc(nxp*nyp*sizeof(double));
+      river_data[n].xb_r     = (double *)malloc(nxp*nyp*sizeof(double));
+      river_data[n].yb_r     = (double *)malloc(nxp*nyp*sizeof(double));    
+      river_data[n].area     = (double *)malloc(nx*ny*sizeof(double));
+      river_data[n].landfrac = (double *)malloc(nx*ny*sizeof(double));    
+      area                   = (double *)malloc(nx*ny*sizeof(double));
+    
+      /* copy the data from super grid to fine grid */
+      for(i=0; i<nx*ny; i++) area[i] = 0.0;
+      for(j = 0; j < ny; j++) for(i = 0; i < nx; i++) {
+	    ii = i+1;
+	    jj = j+1;
+	    river_data[n].xt[jj*nxp2+ii] = x[(j*y_refine+1)*nip+i*x_refine+1];
+	    river_data[n].yt[jj*nxp2+ii] = y[(j*y_refine+1)*nip+i*x_refine+1];
+	 }
+      for(j = 0; j < nyp; j++) for(i = 0; i < nxp; i++) {
+	    river_data[n].xb[j*nxp+i] = x[(j*y_refine)*nip+i*x_refine];
+	    river_data[n].yb[j*nxp+i] = y[(j*y_refine)*nip+i*x_refine];
+	 }     
+      free(x);
+      free(y);
+      /* calculate cell area */
+
+      for(m=0; m<nxp*nyp; m++) {
+	 river_data[n].xb_r[m] = river_data[n].xb[m] * D2R;
+	 river_data[n].yb_r[m] = river_data[n].yb[m] * D2R;
+      }
+      get_grid_area(&nx, &ny, river_data[n].xb_r, river_data[n].yb_r, river_data[n].area);
+
+      /* calculate the land fraction */
+      sprintf(tilename, "X%s_tile%d", land_mosaic_name, n+1);
+      for(m=0; m<n_xgrid_files; m++) {
+	 if(strstr(xgrid_file[m],tilename)) {
+	    int    nxgrid, l;
+	    int    *i1, *j1, *i2, *j2;
+	    double *xgrid_area;
+	    char filewithpath[512];
+	
+	    sprintf(filewithpath, "%s/%s", dir, xgrid_file[m]);
+	    g_fid = mpp_open(filewithpath, MPP_READ);
+	    nxgrid = mpp_get_dimlen(g_fid, "ncells");
+	    mpp_close(g_fid);
+	    i1         = (int    *)malloc(nxgrid*sizeof(int));
+	    j1         = (int    *)malloc(nxgrid*sizeof(int));	  
+	    i2         = (int    *)malloc(nxgrid*sizeof(int));
+	    j2         = (int    *)malloc(nxgrid*sizeof(int));
+	    xgrid_area = (double *)malloc(nxgrid*sizeof(double));
+	    read_mosaic_xgrid_order1(filewithpath, i1, j1, i2, j2, xgrid_area);
+	    for(l=0; l<nxgrid; l++) area[j2[l]*nx+i2[l]] += xgrid_area[l];
+	    free(i1);
+	    free(j1);
+	    free(i2);
+	    free(j2);
+	 }
+      }
+
+      for(m=0; m<nx*ny; m++) area[m] *= 4*M_PI*RADIUS*RADIUS;
+      for(m=0; m<nx*ny; m++) {
+	 river_data[n].landfrac[m] = area[m]/river_data[n].area[m];
+	 /* consider truncation error */
+	 if(fabs(river_data[n].landfrac[m]-1) < EPSLN) river_data[n].landfrac[m] = 1;
+	 if(fabs(river_data[n].landfrac[m])   < EPSLN) river_data[n].landfrac[m] = 0;
+	 if(river_data[n].landfrac[m] > 1 || river_data[n].landfrac[m] < 0)
+	    mpp_error("river_regrid: land_frac should be between 0 or 1");
+      }
+      free(area);
+   } /* n = 0, ntiles */
+
+   mpp_close(m_fid);
+  
+   /* currently we are assuming all the times have the same grid size */
+   for(n=1; n<ntiles; n++) {
+      if(river_data[n].nx != river_data[0].nx || river_data[n].ny != river_data[0].ny )
+	 mpp_error("river_regrid: all the tiles should have the same grid size");
+   }
+  
+   /*----------------------------------------------------------------------------
+     get boundary condition, currently we are assuming the following case,
+     solid walls: number of contact will be 0.
+     x-cyclic:    number of contact will be 1.
+     y-cyclic:    number of contact will be 1.
+     torus:       number of contact will be 2.
+     cubic:       number of contact will be 12.
+     --------------------------------------------------------------------------*/
+   {
+      int ncontact;
+      int *tile1, *tile2;
+      int *istart1, *iend1, *jstart1, *jend1;
+      int *istart2, *iend2, *jstart2, *jend2;
+    
+      ncontact = read_mosaic_ncontacts(land_mosaic);
+      tile1   = (int *)malloc(ncontact*sizeof(int));
+      tile2   = (int *)malloc(ncontact*sizeof(int));
+      istart1 = (int *)malloc(ncontact*sizeof(int));
+      iend1   = (int *)malloc(ncontact*sizeof(int));
+      jstart1 = (int *)malloc(ncontact*sizeof(int));
+      jend1   = (int *)malloc(ncontact*sizeof(int));
+      istart2 = (int *)malloc(ncontact*sizeof(int));
+      iend2   = (int *)malloc(ncontact*sizeof(int));
+      jstart2 = (int *)malloc(ncontact*sizeof(int));
+      jend2   = (int *)malloc(ncontact*sizeof(int));
+      if(ncontact >0) {
+	 read_mosaic_contact(land_mosaic, tile1, tile2, istart1, iend1,
+	 jstart1, jend1, istart2, iend2, jstart2, jend2);
+	 if(ncontact <= 2) { /* x-cyclic of y-cyclic */
+	    if(ntiles !=1) mpp_error("river_regrid: number of tiles must be 1 for single contact");
+	    for(n=0; n<ncontact; n++) {
+	       if(istart1[n] == iend1[n] && istart2[n] == iend2[n] ) /* x_cyclic */
+		  *opcode |= X_CYCLIC;
+	       else if(jstart1[n] == jend1[n] && istart2[n] == iend2[n] ) /* x_cyclic */
+		  *opcode |= Y_CYCLIC;
+	       else
+		  mpp_error("river_regrid: for one-tile mosaic, the boundary condition should be either x-cyclic or y-cyclic");
+	    }
+	 }
+	 else if(ncontact == 12) {
+	    if(ntiles != 6) mpp_error("river_regrid: the mosaic must be a 6-tile cubic grid for 12 contacts.");
+	    *opcode |= CUBIC_GRID;
+	 }
+	 else
+	    mpp_error("river_regrid: the number of contact should be either 0, 1, 2 or 6");
+      }
+
+      free(tile1);
+      free(tile2);
+      free(istart1);
+      free(iend1);
+      free(jstart1);
+      free(jend1);
+      free(istart2);
+      free(iend2);
+      free(jstart2);
+      free(jend2);
+   }
+
+   /* update halo of xt and yt */
+   pxt = (double **)malloc(ntiles*sizeof(double *));
+   pyt = (double **)malloc(ntiles*sizeof(double *));
+   for(n=0; n<ntiles; n++) {
+      pxt[n] = river_data[n].xt;
+      pyt[n] = river_data[n].yt;
+   }
+   update_halo_double(ntiles, pxt, nx, ny, *opcode);
+   update_halo_double(ntiles, pyt, nx, ny, *opcode);
+   free(pxt);
+   free(pyt);
+  
+}; /* get_mosaic_grid */
+
+/*------------------------------------------------------------------------------
+  void init_river_data
+  allocate memory to river data and initialize these river data with missing value
+  ----------------------------------------------------------------------------*/
+void init_river_data(int ntiles, river_type *river_out, const river_type * const river_in)
+{
+   int nx, ny, nxp2, nyp2, n, i;
+   int tocell_missing, subA_missing, travel_missing, basin_missing;
+   double cellarea_missing, celllength_missing;
+  
+   nx = river_out->nx;
+   ny = river_out->ny;
+   nxp2 = nx + 2;
+   nyp2 = ny + 2;
+   subA_missing   = river_in->subA_missing;
+   tocell_missing = river_in->tocell_missing;
+   travel_missing = river_in->travel_missing;
+   basin_missing  = river_in->basin_missing;
+   cellarea_missing = river_in->cellarea_missing;
+   celllength_missing = river_in->celllength_missing;
+   for(n=0; n<ntiles; n++) {
+      river_out[n].subA_missing   = subA_missing;
+      river_out[n].tocell_missing = tocell_missing;
+      river_out[n].travel_missing = travel_missing;
+      river_out[n].basin_missing  = basin_missing;
+      river_out[n].cellarea_missing = cellarea_missing;
+      river_out[n].celllength_missing  = celllength_missing;
+      river_out[n].subA       = (double *)malloc(nxp2*nyp2*sizeof(double));
+      river_out[n].tocell     = (int    *)malloc(nxp2*nyp2*sizeof(int   ));
+      river_out[n].travel     = (int    *)malloc(nxp2*nyp2*sizeof(int   ));
+      river_out[n].basin      = (int    *)malloc(nxp2*nyp2*sizeof(int   ));
+      river_out[n].dir        = (int    *)malloc(nxp2*nyp2*sizeof(int   ));
+      river_out[n].cellarea   = (double *)malloc(nx  *ny  *sizeof(double));
+      river_out[n].celllength = (double *)malloc(nx  *ny  *sizeof(double));
+      river_out[n].last_point = (int    *)malloc(nx  *ny  *sizeof(int   ));
+      for(i=0; i<nxp2*nyp2; i++) {
+	 river_out[n].subA  [i] = subA_missing;
+	 river_out[n].travel[i] = travel_missing;
+	 river_out[n].basin [i] = basin_missing;
+	 river_out[n].tocell[i] = tocell_missing;
+	 river_out[n].dir[i]    = -1;
+      }
+      for(i=0; i<nx*ny; i++) {
+	 river_out[n].cellarea[i]   = cellarea_missing;
+	 river_out[n].celllength[i] = celllength_missing;
+	 river_out[n].last_point[i] =  0;
+      }
+   }
+
+}
+
+
+/*------------------------------------------------------------------------------
+  void calc_max_subA(const river_type *river_in, river_type *river_out, int ntiles)
+  find max value of suba in each model grid cell.
+  ----------------------------------------------------------------------------*/
+void calc_max_subA(const river_type *river_in, river_type *river_out, int ntiles, unsigned int opcode)
+{
+   int nx_in, ny_in;
+   int nx_out, ny_out, nxp_out, nxp1, nyp1, nxp2, nyp2;
+   int n, i, j, i1, j1, ii, jj, n_out;
+   double missing, ll_y, ur_y, ll_x, ur_x;
+   double xv1[4], yv1[4], xv2[20], yv2[20];
+   double *xb_in, *yb_in;
+   double *xb_out, *yb_out;
+   double **psubA;
+  
+   nx_in = river_in->nx;
+   ny_in = river_in->ny;
+   xb_in = river_in->xb_r;
+   yb_in = river_in->yb_r;
+   missing = river_out->subA_missing;
+  
+   for(n=0; n<ntiles; n++) {
+      nx_out   = river_out[n].nx;
+      ny_out   = river_out[n].ny;
+      nxp2     = nx_out + 2;
+      nyp2     = ny_out + 2;    
+      nxp_out  = nx_out+1;
+      xb_out   = river_out[n].xb_r;
+      yb_out   = river_out[n].yb_r;
+      for(j=0; j<ny_out; j++) for(i=0; i<nx_out; i++) {
+	    j1 = j+1;
+	    i1 = i+1;
+	    /* set partial land cell and ocean cell to have large subA value */
+	    if(river_out[n].landfrac[j*nx_out+i] < 1) {
+	       river_out[n].subA[j1*nxp2+i1] = LARGE_VALUE;
+	       continue;
+	    }
+      
+	    xv1[0] = xb_out[j*nxp_out+i];
+	    xv1[1] = xb_out[j*nxp_out+i1];
+	    xv1[2] = xb_out[j1*nxp_out+i1];
+	    xv1[3] = xb_out[j1*nxp_out+i]; 
+	    yv1[0] = yb_out[j*nxp_out+i];
+	    yv1[1] = yb_out[j*nxp_out+i1];
+	    yv1[2] = yb_out[j1*nxp_out+i1];
+	    yv1[3] = yb_out[j1*nxp_out+i]; 
+      
+	    for(jj=0; jj<ny_in; jj++) {
+	       ll_y = yb_in[jj];
+	       ur_y = yb_in[jj+1];
+	       if (  (yv1[0]<=ll_y) && (yv1[1]<=ll_y)
+	       && (yv1[2]<=ll_y) && (yv1[3]<=ll_y) ) continue;
+	       if (  (yv1[0]>=ur_y) && (yv1[1]>=ur_y)
+	       && (yv1[2]>=ur_y) && (yv1[3]>=ur_y) ) continue;
+	
+	       for(ii=0; ii<nx_in; ii++) {
+		  if(river_in->subA[jj*nx_in+ii] == missing) continue;
+		  ll_x = xb_in[ii];
+		  ur_x = xb_in[ii+1];
+		  /* adjust xv1 to make sure it is in the range as ll_x and ur_x */
+		  adjust_lon(xv1, 0.5*(ll_x + ur_x) );
+		  if ( (xv1[0]<=ll_x) && (xv1[1]<=ll_x) && (xv1[2]<=ll_x) && (xv1[3]<=ll_x) ) continue;
+		  if ( (xv1[0]>=ur_x) && (xv1[1]>=ur_x) && (xv1[2]>=ur_x) && (xv1[3]>=ur_x) ) continue;	  
+		  if ( (n_out = clip ( xv1, yv1, 4, ll_x, ll_y, ur_x, ur_y, xv2, yv2 )) > 0 ) {
+		     double xarea; 
+		     xarea = poly_area (xv2, yv2, n_out );
+		     if( xarea/river_out[n].area[j*nx_out+i] < MIN_AREA_RATIO ) continue;
+		     if(river_in->subA[jj*nx_in+ii] > river_out[n].subA[j1*nxp2+i1])
+			river_out[n].subA[j1*nxp2+i1] = river_in->subA[jj*nx_in+ii];
+		  }
+	       }
+	    }
+	 }
+   }
+	
+   /* fill the halo of subA */
+   psubA = (double **)malloc(ntiles*sizeof(double *));
+   for(n=0; n<ntiles; n++) psubA[n] = river_out[n].subA; 
+   update_halo_double(ntiles, psubA, river_out->nx, river_out->ny, opcode); 
+   free(psubA);
+};/* calc_max_subA */
+
+/*------------------------------------------------------------------------------
+  void update_halo_double(int ntiles, double *data, int nx, int ny, unsigned int opcode)
+  We assume all the tiles have the same size.
+  -----------------------------------------------------------------------------*/
+void update_halo_double(int ntiles, double **data, int nx, int ny, unsigned int opcode)
+{
+   int nxp1, nyp1, nxp2, i, j, n;
+   int te, tw, ts, tn;
+  
+   nxp1   = nx + 1;
+   nyp1   = ny + 1;
+   nxp2   = nx + 2;
+   if(opcode & X_CYCLIC) {
+      for(j=1; j<nyp1; j++) {
+	 data[0][j*nxp2]      = data[0][j*nxp2+nx];     /* West */
+	 data[0][j*nxp2+nxp1] = data[0][j*nxp2+1];      /* east */
+      }
+   }
+   if(opcode & Y_CYCLIC) {
+      for(i=1; i<nyp1; i++) {
+	 data[0][i]           = data[0][ny*nxp2+i];     /* south */
+	 data[0][nyp1*nxp2+i] = data[0][nxp2+i];        /* north */
+      }
+   }
+   if(opcode & X_CYCLIC && opcode & Y_CYCLIC) {
+      data[0][0]              = data[0][ny*nxp2];      /* southwest */
+      data[0][nxp1]           = data[0][ny*nxp2+1];    /* southeast */    
+      data[0][nyp1*nxp2+nxp1] = data[0][nxp2+1];       /* northeast */
+      data[0][nyp1*nxp2]      = data[0][nxp2+nx];      /* northwest */     
+   }
+
+   if(opcode & CUBIC_GRID) {
+      for(n=0; n<ntiles; n++) {
+      
+	 if(n%2) { /* tile 2 4 6 */
+	    tw = (n+5)%ntiles; te = (n+2)%ntiles; ts = (n+4)%ntiles; tn = (n+1)%ntiles;
+	    for(j=1; j<nyp1; j++) {
+	       data[n][j*nxp2]      = data[tw][j*nxp2+nx];     /* west */
+	       data[n][j*nxp2+nxp1] = data[te][nxp2+(nxp1-j)]; /* east */
+	    }
+	    for(i=1; i<nxp1; i++) {
+	       data[n][i]           = data[ts][(nyp1-i)*nxp2+nx]; /* south */
+	       data[n][nyp1*nxp2+i] = data[tn][nxp2+i];           /* north */
+	    }
+	 } else {  /* tile 1, 3, 5 */
+	    tw = (n+4)%ntiles; te = (n+1)%ntiles; ts = (n+5)%ntiles; tn = (n+2)%ntiles;
+	    for(j=1; j<nyp1; j++) {
+	       data[n][j*nxp2]      = data[tw][ny*nxp2+nxp1-j]; /* west */
+	       data[n][j*nxp2+nxp1] = data[te][j*nxp2+1];       /* east */
+	    }
+	    for(i=1; i<nxp1; i++) {
+	       data[n][i]           = data[ts][ny*nxp2+i];       /* south */
+	       data[n][nyp1*nxp2+i] = data[tn][(nyp1-i)*nxp2+1]; /* north */
+	    }
+	 }
+      }
+   }
+  
+};/* update_halo */
+
+void update_halo_int(int ntiles, int **data, int nx, int ny, unsigned int opcode)
+{
+   double **ldata;
+   int n, i, j, nxp2, nyp2;
+  
+   nxp2 = nx + 2;
+   nyp2 = ny + 2;
+
+
+  
+   ldata = (double **)malloc(ntiles*sizeof(double *));
+   for(n=0; n<ntiles; n++) {
+      ldata[n] =  (double *)malloc(nxp2*nyp2*sizeof(double));
+      for(i=0; i<nxp2*nyp2; i++) ldata[n][i] = data[n][i];
+   }
+   update_halo_double(ntiles, ldata, nx, ny, opcode);
+   for(n=0; n<ntiles; n++) {
+      for(i=0; i<nxp2*nyp2; i++) data[n][i] = ldata[n][i];
+      free(ldata[n]);
+   }
+   free(ldata);
+  
+}
+
+int adjust_lon(double x[], double tlon)
+{
+   double x_sum, dx;
+   int i, npts = 4;
+
+   x_sum = x[0];
+   for (i=1;i<npts;i++) {
+      double dx = x[i]-x[i-1];
+
+      if      (dx < -M_PI) dx = dx + 2*M_PI;
+      else if (dx >  M_PI) dx = dx - 2*M_PI;
+      x_sum += (x[i] = x[i-1] + dx);
+   }
+
+   dx = (x_sum/npts)-tlon;
+   if      (dx < -M_PI) for (i=0;i<npts;i++) x[i] += 2*M_PI;
+   else if (dx >  M_PI) for (i=0;i<npts;i++) x[i] -= 2*M_PI;
+
+}; /* adjust_lon */
+
+/*------------------------------------------------------------------------------
+  Find the tocell value for the new grid.
+  void calc_tocell( )
+  ----------------------------------------------------------------------------*/
+void calc_tocell(int ntiles, river_type *river_data, unsigned int opcode )  
+{
+   const int out_flow[] = { 8, 4, 2, 16, -1, 1, 32, 64, 128};
+   const int out_dir[]  = { 3, 2, 1, 4,  -1, 0, 5,   6,   7};
+   int n, nx, ny, nxp2, ioff, joff;
+   int i, j, ii, jj, iget, jget, im1, jm1;
+   double tval, subA_missing, subA, subA_me;
+   int **ptocell, **pdir;
+  
+   nx = river_data->nx;
+   ny = river_data->ny;
+   nxp2 = nx + 2;
+   subA_missing = river_data->subA_missing;
+   ptocell = (int **)malloc(ntiles*sizeof(int *));
+   pdir    = (int **)malloc(ntiles*sizeof(int *));
+   for(n=0; n<ntiles; n++) {
+      ptocell[n] = river_data[n].tocell;
+      pdir   [n] = river_data[n].dir;
+   }
+  
+   for(n=0; n<ntiles; n++) {
+      for(j=1; j<=ny; j++) for(i=1; i<=nx; i++) {
+	    jm1 = j - 1;
+	    im1 = i - 1;
+	    if(river_data[n].landfrac[jm1*nx+im1] == 0) {
+	       /* do nothing */
+	    }
+	    else if(river_data[n].landfrac[jm1*nx+im1] < 1) {
+	       ptocell[n][j*nxp2+i] = 0;
+	    }
+	    else {
+	       subA_me = river_data[n].subA[j*nxp2+i];
+	       tval= -999 ;  iget= -1 ;  jget= -1;
+	       if(subA_me > suba_cutoff ) { /* tocell will be land cell with larger subA value, instead of neighboring ocean cell. */
+		  for(joff=0; joff<ncells; joff++) {
+		     jj = jm1+joff;
+		     for(ioff=0; ioff<ncells; ioff++) {
+			ii = im1+ioff;
+			if(ioff == 1 && joff == 1) continue;
+			subA = river_data[n].subA[jj*nxp2+ii];
+			if(subA > subA_me) {
+			   if(tval == -999 ) {
+			      if(subA > tval) {
+				 iget = ioff;
+				 jget = joff;
+				 tval = subA;
+			      }
+			   }
+			   else if(tval < LARGE_VALUE) {
+			      if(subA > tval && subA < LARGE_VALUE) {
+				 iget = ioff;
+				 jget = joff;
+				 tval = subA;
+			      }
+			   }
+			   else {
+			      iget = ioff;
+			      jget = joff;
+			      tval = subA;
+			   }
+			}
+		     }
+		  }
+	       }
+	       else {
+		  for(joff=0; joff<ncells; joff++) {
+		     jj = jm1+joff;
+		     for(ioff=0; ioff<ncells; ioff++) {
+			ii = im1+ioff;
+			if(ioff == 1 && joff == 1) continue;
+
+			subA = river_data[n].subA[jj*nxp2+ii];
+			if( subA != subA_missing ) {
+			   if( subA >= tval) {
+			      iget = ioff;
+			      jget = joff;
+			      tval = subA;
+			   }
+			}
+		     }
+		  }
+	       }
+	       if(iget >= 0 && jget >= 0) {
+		  if(tval > river_data[n].subA[j*nxp2+i]) {
+		     ptocell[n][j*nxp2+i] = out_flow[jget*ncells+iget];
+		     pdir   [n][j*nxp2+i] = out_dir [jget*ncells+iget];
+		     if(pow(2,pdir[n][j*nxp2+i]) != ptocell[n][j*nxp2+i] )
+			mpp_error("river_regrid: pow(2,dir) should equal to tocell");
+		  }
+		  else
+		     ptocell[n][j*nxp2+i] = 0;
+	       }
+	       else 
+		  ptocell[n][j*nxp2+i] = 0;
+	    }
+	 }
+   }
+   update_halo_int(ntiles, ptocell, nx, ny, opcode);   
+   update_halo_int(ntiles, pdir, nx, ny, opcode);
+   free(ptocell);
+   free(pdir);
+  
+};/* calc_tocell */
+
+
+/*------------------------------------------------------------------------------
+  void calc_river_data()
+  calculate travel and basin according to tocell, as well as celllength, cellarea.
+  For each basin, one and only one river point will have tocell = 0, this point will
+  have travel = 1.
+  ----------------------------------------------------------------------------*/
+void calc_river_data(int ntiles, river_type* river_data, unsigned int opcode )
+{
+   int    nx, ny, nxp2, nyp2, n, i, j, ii, jj, nxp, nyp, im1, jm1, ioff, joff;
+   int    cur_basin, cur_travel;
+   int    not_done, dir, i_dest, j_dest;
+   int    basin_missing, travel_missing, tocell_missing;
+   int    maxtravel, maxbasin, travelnow;
+   double subA_missing;
+   int    **pbasin, **ptravel, **pdir;
+   double **psubA;
+   double xv[4], yv[4];
+  
+   const int di[] = {1,1,0,-1,-1,-1,0,1};
+   const int dj[] = {0,-1,-1,-1,0,1,1,1};
+   nx = river_data->nx;
+   ny = river_data->ny;
+   nxp  = nx+1;
+   nyp  = ny+1;
+   nxp2 = nx+2;
+   nyp2 = ny+2;
+   basin_missing  = river_data->basin_missing;
+   subA_missing   = river_data->subA_missing;
+   tocell_missing = river_data->tocell_missing;
+   cur_basin = 0;
+
+   /* set up pointer */
+   pbasin  = (int **)malloc(ntiles*sizeof(int *));
+   ptravel = (int **)malloc(ntiles*sizeof(int *));
+   pdir    = (int **)malloc(ntiles*sizeof(int *));
+   psubA   = (double **)malloc(ntiles*sizeof(double *));
+   for(n=0; n<ntiles; n++) {
+      pbasin [n] = river_data[n].basin;
+      ptravel[n] = river_data[n].travel;
+      psubA  [n] = river_data[n].subA;
+      pdir   [n] = river_data[n].dir;
+   }
+
+
+   /* reinitialize subA */
+   for(n=0; n<ntiles; n++) {
+      for(i=0; i<nxp2*nyp2; i++) psubA[n][i] = subA_missing;    
+   }
+  
+   /* calculate celllength and cellarea */
+   for(n=0; n<ntiles; n++) {
+      for(j=0; j<ny; j++) for(i=0; i<nx; i++) {
+	    if(river_data[n].landfrac[j*nx+i] > 0) {
+	       ii = i+1;
+	       jj = j+1;
+
+	       xv[0] = river_data[n].xb_r[j*nxp+i];
+	       xv[1] = river_data[n].xb_r[j*nxp+ii];
+	       xv[2] = river_data[n].xb_r[jj*nxp+ii];
+	       xv[3] = river_data[n].xb_r[jj*nxp+i];
+	       yv[0] = river_data[n].yb_r[j*nxp+i];
+	       yv[1] = river_data[n].yb_r[j*nxp+ii];
+	       yv[2] = river_data[n].yb_r[jj*nxp+ii];
+	       yv[3] = river_data[n].yb_r[jj*nxp+i];
+	       river_data[n].cellarea[j*nx+i] = river_data[n].area[j*nx+i]*river_data[n].landfrac[j*nx+i];
+	       dir = pdir[n][jj*nxp2+ii];
+	       if( dir >= 0) {
+		  i_dest = ii + di[dir];
+		  j_dest = jj + dj[dir];	
+		  river_data[n].celllength[j*nx+i] = distance(river_data[n].xt[jj*nxp2+ii],
+		  river_data[n].yt[jj*nxp2+ii],
+		  river_data[n].xt[j_dest*nxp2+i_dest],
+		  river_data[n].yt[j_dest*nxp2+i_dest] );
+	       }
+	       else
+		  river_data[n].celllength[j*nx+i] = 0;
+	    }
+	 }
+   }
+
+  
+   /* define the basinid and travel for the coast point */
+  
+   for(n=0; n<ntiles; n++) {
+      for(j=1; j<=ny; j++) for(i=1; i<=nx; i++) {
+	    if(river_data[n].tocell[j*nxp2+i] == 0) {
+	       pbasin[n] [j*nxp2+i] = ++cur_basin;
+	       ptravel[n][j*nxp2+i] = 0;
+	       river_data[n].last_point[(j-1)*nx+i-1] = 1;
+	    }
+	    else if(river_data[n].tocell[j*nxp2+i] > 0){
+	       dir = pdir[n][j*nxp2+i];
+	       i_dest = i + di[dir];
+	       j_dest = j + dj[dir];
+	       if(river_data[n].tocell[j_dest*nxp2+i_dest] == tocell_missing) {
+		  pbasin[n] [j*nxp2+i] = ++cur_basin;
+		  ptravel[n][j*nxp2+i] = 1;
+		  river_data[n].last_point[(j-1)*nx+i-1] = 1;
+	       }
+	    }
+	 }
+   }
+
+   update_halo_int(ntiles, pbasin, nx, ny, opcode);
+   update_halo_int(ntiles, ptravel, nx, ny, opcode);
+  
+   /* then define the travel and basin for all other points */
+   cur_travel = 0;
+
+   not_done = 1;
+   while(not_done) {
+      not_done = 0;
+      for(n=0; n<ntiles; n++) {
+	 for(j=1; j<=ny; j++) for(i=1; i<=nx; i++) {
+	       dir = pdir[n][j*nxp2+i];
+	       if( dir >= 0 && pbasin[n][j*nxp2+i] == basin_missing ) {
+		  i_dest = i + di[dir];
+		  j_dest = j + dj[dir];
+		  if( ptravel[n][j_dest*nxp2+i_dest] == cur_travel ) {
+		     not_done = 1; /* still have points need to be updateed */
+		     if(pbasin[n][j_dest*nxp2+i_dest] == basin_missing) {
+			mpp_error("river_grid: the tocell should have valid basin value");
+		     }
+		     pbasin[n][j*nxp2+i] = pbasin[n][j_dest*nxp2+i_dest];
+		     ptravel[n][j*nxp2+i] = cur_travel+1;
+		  }
+	       }
+	    }
+      }
+      cur_travel++;
+      update_halo_int(ntiles, pbasin, nx, ny, opcode);
+      update_halo_int(ntiles, ptravel, nx, ny, opcode);    
+   }
+
+   /* figure out maximum travel and maximum basin*/
+   maxtravel = -1;
+   maxbasin  = -1;
+   basin_missing = river_data->basin_missing;
+   for(n=0; n<ntiles; n++) {
+      for(j=1; j<=ny; j++) for(i=1; i<=nx; i++) {    
+	    maxtravel = max(maxtravel, ptravel[n][j*nxp2+i]);
+	    maxbasin  = max(maxbasin,  pbasin[n][j*nxp2+i]);
+	 }
+   }
+
+   for(travelnow=maxtravel; travelnow>=0; travelnow--) {
+      for(n=0; n<ntiles; n++) for(j=1; j<=ny; j++) for(i=1; i<=nx; i++) {
+	       jm1 = j - 1;
+	       im1 = i - 1;
+	       if(ptravel[n][j*nxp2+i] == travelnow) {
+		  psubA[n][j*nxp2+i] = river_data[n].cellarea[jm1*nx+im1];
+		  /* add the subA of from cell */
+		  for(joff=0; joff<ncells; joff++) for(ioff=0; ioff<ncells; ioff++) {
+			if(ioff == 1 && joff == 1) continue;
+			jj = jm1 + joff;
+			ii = im1 + ioff;
+			dir = pdir[n][jj*nxp2+ii];
+			/* consider about the rotation when it is on the boundary */
+			if(dir >=0 ) {
+			   if( opcode & CUBIC_GRID ) {
+			      if(ii == 0) { /* west */ 
+				 if(n%2==0) dir = (dir+2)%8;  /* tile 1 3 5 */
+			      }
+			      else if(ii == nxp) { /*east */
+				 if(n%2==1) dir = (dir+2)%8;  /* tile 2 4 6 */
+			      }
+			      else if(jj == 0) { /* south */
+				 if(n%2==1) dir = (dir+6)%8;  /* tile 2 4 6 */
+			      }
+			      else if(jj == nyp) { /*north */
+				 if(n%2==0) dir = (dir+6)%8;  /* tile 1 3 5 */
+			      }
+			   }
+			   i_dest = ii + di[dir];
+			   j_dest = jj + dj[dir];
+			   if(i_dest == i && j_dest == j) psubA[n][j*nxp2+i] += psubA[n][jj*nxp2+ii];
+			}
+		     }
+	       }
+	    }
+      update_halo_double(ntiles, psubA, nx, ny, opcode);
+   }
+  
+   free(pbasin);
+   free(ptravel);
+   free(psubA);
+   free(pdir);
+}; /*  calc_travel */
+
+/*------------------------------------------------------------------------------
+  void check_river_data( )
+  check to make sure all the river points have been assigned travel and basin value
+  and all the ocean points will have missing value.
+  ----------------------------------------------------------------------------*/
+  
+void check_river_data(int ntiles, river_type *river_data )
+{
+   int maxtravel = -1;
+   int maxbasin  = -1;
+   int nx, ny, nxp2, nyp2;
+   int n, i, j, im1, jm1, ioff, joff, ii, jj;
+   int tocell, travel, basin;
+   int tocell_missing, travel_missing, basin_missing;
+   int ncoast_full_land, nsink;
+   double subA, subA_missing;
+   int *ncoast;
+  
+   /* print out maximum travel and number of rivers */
+   maxtravel = -1;
+   maxbasin  = -1;
+   nx = river_data->nx;
+   ny = river_data->ny;
+   nxp2 = nx + 2;
+   nyp2 = ny + 2;
+   subA_missing = river_data->subA_missing;
+   tocell_missing = river_data->tocell_missing;
+   basin_missing = river_data->basin_missing;
+   travel_missing = river_data->travel_missing;
+  
+   for(n=0; n<ntiles; n++) {
+      for(j=1; j<=ny; j++) for(i=1; i<=nx; i++) {    
+	    maxtravel = max(maxtravel, river_data[n].travel[j*nxp2+i]);
+	    maxbasin  = max(maxbasin, river_data[n].basin[j*nxp2+i]);
+	 }
+   }
+   printf("==> NOTE from river_regrid: maximum travel is %d and maximum basin is %d.\n", maxtravel, maxbasin);
+
+   ncoast_full_land = 0;
+   nsink = 0;
+   for(n=0; n<ntiles; n++) {
+      for(j=1; j<=ny; j++) for(i=1; i<=nx; i++) {
+	    jm1 = j - 1;
+	    im1 = i -1;
+	    subA   = river_data[n].subA  [j*nxp2+i];
+	    tocell = river_data[n].tocell[j*nxp2+i];
+	    travel = river_data[n].travel[j*nxp2+i];
+	    basin  = river_data[n].basin [j*nxp2+i];
+	    if( river_data[n].landfrac[jm1*nx+im1] == 0) {
+	       if(tocell!= tocell_missing || travel != travel_missing ||
+	       basin != basin_missing || subA != subA_missing) {
+		  printf("At ocean points (i=%d,j=%d), subA = %f, tocell = %d, travel = %d, basin = %d.\n ",
+		  i, j, subA, tocell, travel, basin);
+		  mpp_error("river_regrid, subA, tocell, travel, or basin is not missing value for some ocean points");
+	       }
+	    }
+	    else {
+	       if(tocell == tocell_missing || travel == travel_missing ||
+	       basin == basin_missing || subA == subA_missing) {
+		  printf("At river points (i=%d,j=%d), subA = %f, tocell = %d, travel = %d, basin = %d.\n ",
+		  i, j, subA, tocell, travel, basin);
+		  mpp_error("river_regrid, subA, tocell, travel, or basin is missing value for some river points");
+	       }
+	    }
+	    /* check if the points with land_frac == 1 and tocell=0, those points should be sink.*/
+	    if(river_data[n].landfrac[jm1*nx+im1] == 1 && tocell == 0) {
+	       for(joff=0; joff<ncells; joff++) {
+		  jj = jm1+joff;
+		  for(ioff=0; ioff<ncells; ioff++) {
+		     ii = im1+ioff;
+		     if(ioff == 1 && joff == 1) continue;
+		     if(river_data[n].tocell[jj*nxp2+ii] == tocell_missing) {
+			ncoast_full_land++;
+			printf("At point (%d,%d), tocell = 0 and landfrac = 1 is a coast point\n", i, j);
+			goto done_check;
+		     }
+		  }
+	       }
+	       printf("At point (%d,%d), tocell = 0 and landfrac = 1 is a sink point\n", i, j);
+	       nsink++;
+	      done_check: continue;	
+	    }
+	 }
+   }
+
+   if(ncoast_full_land > 0)
+      printf("Warning from river_regrid: there are %d coast points is a full land cell\n", ncoast_full_land);
+   else
+      printf("NOTE from river_regrid: there are no coast points is a full land cell\n");
+
+   if(nsink > 0)
+      printf("Warning from river_regrid: there are %d sink points is a full land cell\n", nsink);
+   else
+      printf("NOTE from river_regrid: there are no sink points is a full land cell\n");
+  
+   /* check river travel to make sure there is one and only one point with travel = 0. */
+   ncoast = (int *)malloc(maxbasin*sizeof(int));
+   for(n=0; n<maxbasin; n++) ncoast[n] = 0;
+   for(n=0; n<ntiles; n++) {
+      for(j=1; j<=ny; j++) for(i=1; i<=nx; i++) {
+	    if(river_data[n].last_point[(j-1)*nx+i-1] ) ++ncoast[river_data[n].basin[j*nxp2+i]-1];
+	 }
+   }
+   for(n=0; n<maxbasin; n++) {
+      if(ncoast[n] <= 0) {
+	 printf("river with basin = %d has no point with travel = 0.\n", n+1);
+	 mpp_error("river_regrid: some river has no point with travel = 0");
+      }
+      else if(ncoast[n] >1) {
+	 printf("river with basin = %d has more than one point with travel = 0.\n", n+1);
+	 mpp_error("river_regrid: some river has more than one point with travel = 0");
+      }
+   }
+   free(ncoast);
+  
+
+}; /* check_river_data */
+
+/*------------------------------------------------------------------------------
+  void sort_basin(int ntiles, river_type* river_data);
+  sorting the basin according to subA
+  The river with larger subA at coast point will get smaller basinid.
+  The basinid will be reorganized.
+  -----------------------------------------------------------------------------*/
+void sort_basin(int ntiles, river_type* river_data)
+{
+
+   int    nx, ny, nxp2, nyp2, i, j, n;
+   int    maxbasin, basin_missing, basin;
+   int    *rank, *indx;
+   double subA_missing, *maxsuba;
+  
+   river_type *river_tmp;
+
+   nx   = river_data->nx;
+   ny   = river_data->ny;
+   nxp2 = nx + 2;
+   nyp2 = ny + 2;
+   river_tmp = (river_type *)malloc(ntiles*sizeof(river_type));
+
+   /* calculate maximum basin */
+   maxbasin  = -1;
+   basin_missing = river_data->basin_missing;
+   for(n=0; n<ntiles; n++) {
+      for(j=1; j<=ny; j++) for(i=1; i<=nx; i++) {    
+	    maxbasin  = max(maxbasin,  river_data[n].basin[j*nxp2+i]);
+	 }
+   }  
+
+   /* copy basinid data to the tmp data */
+   for(n=0; n<ntiles; n++) {
+      river_tmp[n].basin = (int *)malloc(nxp2*nyp2*sizeof(int));
+      for(i=0; i<nxp2*nyp2; i++) {
+	 river_tmp[n].basin[i] = river_data[n].basin[i];
+      }
+   }
+
+   /* calculate maximum subA for each basin */
+   subA_missing = river_data->subA_missing;
+   maxsuba = (double *)malloc(maxbasin*sizeof(double));
+   indx    = (int    *)malloc(maxbasin*sizeof(int   ));
+   rank    = (int    *)malloc(maxbasin*sizeof(int   ));
+   for(n=0; n<maxbasin; n++) {
+      maxsuba[n] = subA_missing;
+      indx[n]    = n;
+      rank[n]    = -1;
+   }
+   for(n=0; n<ntiles; n++) for(j=1; j<=ny; j++) for(i=1; i<=nx; i++) {
+	    if(river_data[n].last_point[(j-1)*nx+i-1]) { /* coast point */
+	       basin = river_tmp[n].basin[j*nxp2+i];
+	       if( basin > maxbasin || basin < 1) mpp_error("river_regrid: basin should be between 1 and maxbasin");
+	       maxsuba[basin-1] = river_data[n].subA[j*nxp2+i];
+	    }
+	 }
+
+   /* make sure maxsuba is assigned properly */
+   for(n=0; n<maxbasin; n++) {
+      if(maxsuba[n] == subA_missing) mpp_error("river_regrid: maxsuba is not assigned for some basin");
+   }
+  
+   /* sort maxsuba to get the index rank */
+   qsort_index(maxsuba, 0, maxbasin-1, indx);
+   for(n=0; n<maxbasin; n++) rank[indx[n]] = n;
+   for(n=0; n<maxbasin; n++) {
+      if(rank[n] < 0) mpp_error("river_regrid: rank should be no less than 0");
+   }
+  
+   /* now assign basin according to the index rank */
+   for(n=0; n<ntiles; n++) for(j=1; j<=ny; j++) for(i=1; i<=nx; i++) {
+	    basin = river_tmp[n].basin[j*nxp2+i];
+	    if(basin != basin_missing) {
+	       if( basin > maxbasin || basin < 1) mpp_error("river_regrid: basin should be a positive integer no larger than maxbasin");
+	       river_data[n].basin[j*nxp2+i] = maxbasin - rank[basin-1];
+	    }
+	 }
+  
+   /* release the memory */
+   for(n=0; n<ntiles; n++) free(river_tmp[n].basin);
+   free(river_tmp);
+   free(rank);
+   free(maxsuba);
+
+};/* sort_basin */
+
+
+
+/*------------------------------------------------------------------------------
+  void write_river_data()
+  write out river network output data which is on land grid.
+  ----------------------------------------------------------------------------*/
+void write_river_data(const char *river_src_file, const char *output_file, river_type* river_data, const char *history, int ntiles)
+{
+   double *subA, *yt, *xt;
+   int    *tocell, *travel, *basin;
+   int id_subA, id_subA_in, id_tocell, id_tocell_in;
+   int id_travel, id_travel_in, id_basin, id_basin_in;
+   int id_cellarea, id_celllength, id_landfrac;
+   int id_cellarea_in, id_celllength_in, id_x, id_y;
+   int id_xaxis, id_yaxis, id_xaxis_in, id_yaxis_in;
+   int fid, fid_in, dimid[2];
+   int n, i, j, ii, jj, nx, ny, nxp2;
+  
+   fid_in = mpp_open(river_src_file, MPP_READ);
+   id_subA_in = mpp_get_varid(fid_in, subA_name);
+   id_tocell_in = mpp_get_varid(fid_in, tocell_name);
+   id_travel_in = mpp_get_varid(fid_in, travel_name);
+   id_basin_in = mpp_get_varid(fid_in, basin_name);
+   id_cellarea_in = mpp_get_varid(fid_in, cellarea_name);
+   id_celllength_in = mpp_get_varid(fid_in, celllength_name);
+   id_xaxis_in = mpp_get_varid(fid_in, xaxis_name);
+   id_yaxis_in = mpp_get_varid(fid_in, yaxis_name);
+   for(n=0; n<ntiles; n++) {
+      if(ntiles>1)
+	 sprintf(river_data[n].filename, "%s.tile%d.nc", output_file, n+1);
+      else
+	 sprintf(river_data[n].filename, "%s.nc", output_file);
+
+      nx = river_data[n].nx;
+      ny = river_data[n].ny;
+      nxp2 = nx + 2;
+      fid = mpp_open(river_data[n].filename, MPP_WRITE);
+      mpp_def_global_att(fid, "version", version);  
+      mpp_def_global_att(fid, "code_version", TAGNAME);
+      mpp_def_global_att(fid, "history", history);
+      dimid[1] = mpp_def_dim(fid, gridx_name, nx);
+      dimid[0] = mpp_def_dim(fid, gridy_name, ny);
+      id_xaxis = mpp_def_var(fid, gridx_name, MPP_DOUBLE, 1, &(dimid[1]), 0);
+      id_yaxis = mpp_def_var(fid, gridy_name, MPP_DOUBLE, 1, dimid, 0);
+      mpp_copy_var_att(fid_in, id_xaxis_in, fid, id_xaxis);
+      mpp_copy_var_att(fid_in, id_yaxis_in, fid, id_yaxis);
+      id_subA = mpp_def_var(fid, subA_name, MPP_DOUBLE, 2, dimid , 0);
+      mpp_copy_var_att(fid_in, id_subA_in, fid, id_subA);
+      id_tocell = mpp_def_var(fid, tocell_name, MPP_INT, 2, dimid, 0);
+      mpp_copy_var_att(fid_in, id_tocell_in, fid, id_tocell);
+      id_travel = mpp_def_var(fid, travel_name, MPP_INT, 2, dimid , 0);
+      mpp_copy_var_att(fid_in, id_travel_in, fid, id_travel);
+      id_basin = mpp_def_var(fid, basin_name, MPP_INT, 2, dimid , 0);
+      mpp_copy_var_att(fid_in, id_basin_in, fid, id_basin);
+      id_cellarea = mpp_def_var(fid, cellarea_name, MPP_DOUBLE, 2, dimid , 0);
+      mpp_copy_var_att(fid_in, id_cellarea_in, fid, id_cellarea);
+      id_celllength = mpp_def_var(fid, celllength_name, MPP_DOUBLE, 2, dimid , 0);
+      mpp_copy_var_att(fid_in, id_celllength_in, fid, id_celllength);
+      id_landfrac = mpp_def_var(fid, landfrac_name, MPP_DOUBLE, 2, dimid, 2,
+      "long_name", "land fraction", "units", "none");
+      id_x        = mpp_def_var(fid, x_name, MPP_DOUBLE, 2, dimid, 2,
+      "long_name", "Geographic longitude", "units", "degree_east");
+      id_y        = mpp_def_var(fid, y_name, MPP_DOUBLE, 2, dimid, 2,
+      "long_name", "Geographic latitude", "units", "degree_north");    
+      mpp_end_def(fid);
+      xt = (double *)malloc(nx*sizeof(double));
+      yt = (double *)malloc(ny*sizeof(double));
+      /*
+	for lat-lon grid, actual lon, lat will be written out,
+	for cubic grid, index will be written out
+      */
+      if(ntiles == 1) {
+	 for(i=0; i<nx; i++) xt[i] = river_data[n].xt[nxp2+i+1];
+	 for(j=0; j<ny; j++) yt[j] = river_data[n].yt[(j+1)*nxp2+1];
+
+      }
+      else {
+	 for(i=0; i<nx; i++) xt[i] = i+1;
+	 for(j=0; j<ny; j++) yt[j] = j+1;
+      }
+      mpp_put_var_value(fid, id_xaxis, xt);
+      mpp_put_var_value(fid, id_yaxis, yt);
+      free(xt);
+      free(yt);
+
+      /* all the fields is on data domain, so need to copy to compute domain */
+      subA = (double *)malloc(nx*ny*sizeof(double));
+      travel = (int *)malloc(nx*ny*sizeof(int));
+      basin  = (int *)malloc(nx*ny*sizeof(int));
+      tocell = (int *)malloc(nx*ny*sizeof(int));
+      xt = (double *)malloc(nx*ny*sizeof(double));
+      yt = (double *)malloc(nx*ny*sizeof(double));
+      for(j=0; j<ny; j++) for(i=0; i<nx; i++) {
+	    ii = i + 1;
+	    jj = j + 1;
+	    subA[j*nx+i] = river_data[n].subA[jj*nxp2+ii];
+	    tocell[j*nx+i] = river_data[n].tocell[jj*nxp2+ii];
+	    travel[j*nx+i] = river_data[n].travel[jj*nxp2+ii];
+	    basin [j*nx+i] = river_data[n].basin [jj*nxp2+ii];
+	    xt    [j*nx+i] = river_data[n].xt    [jj*nxp2+ii];
+	    yt    [j*nx+i] = river_data[n].yt    [jj*nxp2+ii];
+	 }
+    
+      mpp_put_var_value(fid, id_subA, subA);
+      mpp_put_var_value(fid, id_tocell, tocell);
+      mpp_put_var_value(fid, id_travel, travel);
+      mpp_put_var_value(fid, id_basin, basin);
+      mpp_put_var_value(fid, id_x, xt);
+      mpp_put_var_value(fid, id_y, yt);
+      mpp_put_var_value(fid, id_cellarea, river_data[n].cellarea);
+      mpp_put_var_value(fid, id_celllength, river_data[n].celllength);
+      mpp_put_var_value(fid, id_landfrac, river_data[n].landfrac);
+      mpp_close(fid);
+      free(subA);
+      free(tocell);
+      free(basin);
+      free(travel);
+      free(xt);
+      free(yt);
+   }
+   mpp_close(fid_in);
+
+};/* write_river_data */
+
+
+/*------------------------------------------------------------------------------
+  double distance(double lon1, double lat1, double lon2, double lat2)
+  find the distance of any two grid.
+  ----------------------------------------------------------------------------*/
+double distance(double lon1, double lat1, double lon2, double lat2)
+{
+   double s1, s2, dx;
+   double dist;
+    
+   dx = lon2 - lon1;
+   if(dx > 180.) dx = dx - 360.;
+   if(dx < -180.) dx = dx + 360.;
+
+   if(lon1 == lon2)
+      dist = fabs(lat2 - lat1) * D2R;
+   else if(lat1 == lat2) 
+      dist = fabs(dx) * D2R * cos(lat1*D2R);
+   else {   /* diagonal distance */
+      s1 =  fabs(dx)  * D2R * cos(lat1*D2R);
+      s2 =  fabs(lat2 - lat1) * D2R;
+      dist = sqrt(s1*s1+s2*s2);
+   }
+   dist *= RADIUS;
+
+   return dist;
+}    
+
+/*------------------------------------------------------------------------------
+  void qsort_index(double array[], int start, int end, int rank[])
+  sort array in increasing order and get the rank of each member in the original array
+  the array size of array and rank will be size. 
+  
+  ----------------------------------------------------------------------------*/
+#define swap(a,b,t) ((t)=(a),(a)=(b),(b)=(t))
+void qsort_index(double array[], int start, int end, int rank[])
+{
+   double pivot;
+   int tmp_int;
+   double tmp_double;
+
+   if (end > start) {
+      int l = start + 1;
+      int r = end;
+      int pivot_index = (start+(end-start)/2);
+      swap(array[start], array[pivot_index], tmp_double); /*** choose arbitrary pivot ***/
+      swap(rank[start],  rank[pivot_index],  tmp_int);
+      pivot = array[start];
+      while(l < r) {
+         if (array[l] <= pivot) {
+            l++;
+         } else {
+	    while(l < r && array[r] >= pivot) /*** skip superfluous swaps ***/
+	    {
+	       --r;
+	    }
+            swap(array[l], array[r], tmp_double);
+	    swap(rank[l],  rank[r],  tmp_int);
+         }
+      }
+      if(l != end || array[end] > pivot ) {
+	 l--;
+	 swap(array[start], array[l], tmp_double);
+	 swap(rank[start],  rank[l],  tmp_int);
+	 qsort_index(array, start, l, rank);
+	 qsort_index(array, r, end, rank);
+      }
+      else { /* the first element is the largest one */
+	 swap(array[start], array[l], tmp_double);
+	 swap(rank[start],  rank[l],  tmp_int);
+	 qsort_index(array, start, l-1, rank);
+      }
+   }
+}
+#define PI M_PI
+  
+int
+gs_transfer_to_mosaic(char *old_file, char *mosaic_dir)
+{  
+   char *pch=NULL, history[512], entry[1280];
+   char tilefile[MAXTILE][STRING], tiletype[MAXTILE][SHORTSTRING];
+   char tile_name[MAXTILE][STRING];
+   int ntiles=0, nfiles=0, ncontact=0;
+   double periodx=0, periody=0;
+   int contact_tile1[MAXCONTACT], contact_tile2[MAXCONTACT];
+   int contact_tile1_istart[MAXCONTACT], contact_tile1_iend[MAXCONTACT];
+   int contact_tile1_jstart[MAXCONTACT], contact_tile1_jend[MAXCONTACT];
+   int contact_tile2_istart[MAXCONTACT], contact_tile2_iend[MAXCONTACT];
+   int contact_tile2_jstart[MAXCONTACT], contact_tile2_jend[MAXCONTACT];
+   char mosaic_name[128] = "atmos_mosaic";
+   char grid_descriptor[128] = "";
+   int c, i, n, m, l, errflg, check=0;
+
+   char atmos_name[128]="atmos", land_name[128]="land", ocean_name[128]="ocean";
+   char agrid_file[128], lgrid_file[128], ogrid_file[128];
+
+   int is_coupled_grid = 0, is_ocean_only =1; 
+   int interp_order=1;
+   double *x, *y, *dx, *dy, *area, *angle_dx, *angle_dy; 
+   int nx, ny, nxp, nyp;
+   const char mosaic_version[] = "0.2";
+
+   if(!old_file) mpp_error("Usage:\n \t \t transfer_to_mosaic --input_file input_file.nc");
+   if(mpp_field_exist(old_file, "AREA_ATMxOCN") ) is_coupled_grid = 1;
+   if(mpp_field_exist(old_file, "AREA_ATM") ) is_ocean_only = 0;
+   if(mpp_field_exist(old_file, "DI_ATMxOCN") ) interp_order= 2;
+// -----------------ocean_hgrid.nc---------------------------------[
+// Ocean
+   {
+      int nx_C, ny_C, nx_T, ny_T, nvertex;
+      int fid_old, vid;
+  
+      double *x_C, *y_C, *x_T, *y_T;
+      double *x_vert_T, *y_vert_T;
+
+
+      double *ds_00_02_C, *ds_00_20_C, *ds_01_11_C, *ds_01_21_C, *ds_02_22_C, 
+         *ds_10_11_C, *ds_10_12_C, *ds_11_21_C, *ds_11_12_C, *ds_20_22_C, 
+         *ds_01_11_T, *ds_01_21_T, *ds_02_22_T, *ds_10_11_T, *ds_10_12_T, 
+         *ds_11_12_T, *ds_11_21_T, *ds_20_22_T, 
+         *ds_01_21_E, *ds_10_12_N, *angle_C; 
+
+ 
+      int i,j,k, i1, i2, j1, j2, k0, k1, k2, k3;
+      int ji, ji0, ji1, ji2, ji3;
+      int j1i1, j1i2, j2i1, j2i2; 
+      double unknown = 0.0; /* double unknown = -1.0E+10; */
+
+      fid_old = mpp_open(old_file, MPP_READ);
+      nx_C = mpp_get_dimlen(fid_old, "grid_x_C");
+      ny_C = mpp_get_dimlen(fid_old, "grid_y_C");
+      nx_T = mpp_get_dimlen(fid_old, "grid_x_T");
+      ny_T = mpp_get_dimlen(fid_old, "grid_y_T");
+      nvertex = mpp_get_dimlen(fid_old, "vertex");
+
+      printf("\nReading file: %s \n", old_file); 
+
+
+/* Reading Ocean Grid Variables */
+      x_C = (double *) malloc(ny_C * nx_C * sizeof(double)); 
+      y_C = (double *) malloc(ny_C * nx_C * sizeof(double));
+      x_T = (double *) malloc(ny_T * nx_T * sizeof(double));
+      y_T = (double *) malloc(ny_T * nx_T * sizeof(double));
+      x_vert_T = (double *) malloc(nvertex*ny_T*nx_T*sizeof(double));
+      y_vert_T = (double *) malloc(nvertex*ny_T*nx_T*sizeof(double));
+      ds_01_11_C = (double *) malloc(ny_C * nx_C * sizeof(double)); 
+      ds_10_11_C = (double *) malloc(ny_C * nx_C * sizeof(double)); 
+      ds_11_21_C = (double *) malloc(ny_C * nx_C * sizeof(double)); 
+      ds_11_12_C = (double *) malloc(ny_C * nx_C * sizeof(double)); 
+      ds_01_11_T = (double *) malloc(ny_T * nx_T * sizeof(double));  
+      ds_10_11_T = (double *) malloc(ny_T * nx_T * sizeof(double));  
+      ds_11_12_T = (double *) malloc(ny_T * nx_T * sizeof(double));  
+      ds_11_21_T = (double *) malloc(ny_T * nx_T * sizeof(double));
+      ds_02_22_T = (double *) malloc(ny_T * nx_T * sizeof(double));  
+      ds_20_22_T = (double *) malloc(ny_T * nx_T * sizeof(double));
+      angle_C    = (double *) malloc(ny_C * nx_C * sizeof(double));
+  
+      vid = mpp_get_varid(fid_old, "x_C"); mpp_get_var_value(fid_old, vid, x_C);
+      vid = mpp_get_varid(fid_old, "y_C"); mpp_get_var_value(fid_old, vid, y_C);
+      vid = mpp_get_varid(fid_old, "x_T"); mpp_get_var_value(fid_old, vid, x_T);
+      vid = mpp_get_varid(fid_old, "y_T"); mpp_get_var_value(fid_old, vid, y_T);
+      vid = mpp_get_varid(fid_old, "x_vert_T"); mpp_get_var_value(fid_old, vid, x_vert_T);
+      vid = mpp_get_varid(fid_old, "y_vert_T"); mpp_get_var_value(fid_old, vid, y_vert_T);
+      vid = mpp_get_varid(fid_old, "ds_01_11_C"); mpp_get_var_value(fid_old, vid, ds_01_11_C);  
+      vid = mpp_get_varid(fid_old, "ds_10_11_C"); mpp_get_var_value(fid_old, vid, ds_10_11_C);
+      vid = mpp_get_varid(fid_old, "ds_11_21_C"); mpp_get_var_value(fid_old, vid, ds_11_21_C);    
+      vid = mpp_get_varid(fid_old, "ds_11_12_C"); mpp_get_var_value(fid_old, vid, ds_11_12_C);
+      vid = mpp_get_varid(fid_old, "ds_01_11_T"); mpp_get_var_value(fid_old, vid, ds_01_11_T);  
+      vid = mpp_get_varid(fid_old, "ds_10_11_T"); mpp_get_var_value(fid_old, vid, ds_10_11_T);
+      vid = mpp_get_varid(fid_old, "ds_11_21_T"); mpp_get_var_value(fid_old, vid, ds_11_21_T);    
+      vid = mpp_get_varid(fid_old, "ds_11_12_T"); mpp_get_var_value(fid_old, vid, ds_11_12_T);  
+      vid = mpp_get_varid(fid_old, "ds_02_22_T"); mpp_get_var_value(fid_old, vid, ds_02_22_T);    
+      vid = mpp_get_varid(fid_old, "ds_20_22_T"); mpp_get_var_value(fid_old, vid, ds_20_22_T);  
+      vid = mpp_get_varid(fid_old, "angle_C"); mpp_get_var_value(fid_old, vid, angle_C);  
+      mpp_close(fid_old);
+  
+      nx = 2*nx_T;  nxp = nx +1;
+      ny = 2*ny_T;  nyp = ny +1;
+      x = (double *) malloc(nxp*nyp * sizeof(double));
+      y = (double *) malloc(nxp*nyp* sizeof(double));
+      dx = (double *) malloc(nx*nyp * sizeof(double));
+      dy = (double *) malloc(nxp*ny * sizeof(double));
+      area = (double *) malloc(nx*ny * sizeof(double));
+      angle_dx = (double *) malloc(nxp*nyp * sizeof(double));
+
+      for(j = 0; j<ny_T; j++) {
+	 for(i = 0; i<nx_T; i++) {
+
+	    i2=2*(i+1); i1=i2-1;   j2=2*(j+1); j1=j2-1;
+
+	    j1i1=j1*nxp+i1; j1i2=j1*nxp+i2; j2i2=j2*nxp+i2; j2i1=j2*nxp+i1; 
+	    ji=j*nx_T+i;
+	    ji0=ji; ji1=ji0+nx_T*ny_T; ji2=ji1+nx_T*ny_T; ji3=ji2+nx_T*ny_T;
+
+	    x[j1i1] = x_T[ji];
+	    x[j1i2] = 0.5*(x_vert_T[ji1]+x_vert_T[ji2]);
+	    x[j2i2] = x_vert_T[ji2];
+	    x[j2i1] = 0.5*(x_vert_T[ji3]+x_vert_T[ji2]);
+
+	    y[j1i1] = y_T[ji];
+	    y[j1i2] = 0.5*(y_vert_T[ji1]+y_vert_T[ji2]);
+	    y[j2i2] = y_vert_T[ji2];
+	    y[j2i1] = 0.5*(y_vert_T[ji3]+y_vert_T[ji2]);
+
+/*      Mapping distance to new mosaic grid format from old grid
+
+	dx(1,1)=                  dx(2,1)=           
+	Ci-1,j------ds_11_21_C(i-1,j)---+-----ds_01_11_C(i,j)--------Ci,j
+	|                          |                            |
+	|                          |                            |
+	|                          |                            |
+	|                     ds_11_12_T                   ds_10_11_C(i,j)
+	|                          |                            |
+	|         dx(1,1)=         |          dx(2,1)=          |
+	+---------ds_01_11_T------Tij---------ds_11_21_T--------+
+	|                          |                            |
+	|                          |                            |
+	|                          |                            |
+	|                     ds_11_12_T                   ds_11_12_C(i,j-1)
+	|                          |                            |
+	|                          |                            |
+	Ci-1,j-1--------------------------+----------------------------Ci,j-1
+
+*/
+	    dx[(2*j+1)*nx  + (2*i)]   = ds_01_11_T[j*nx_T + i];
+	    dx[(2*j+1)*nx  + (2*i+1)] = ds_11_21_T[j*nx_T + i];
+	    if(i>0) dx[(2*j+2)*nx  + (2*i)]   = ds_11_21_C[j*nx_T + (i-1)];
+	    dx[(2*j+2)*nx  + (2*i+1)] = ds_01_11_C[j*nx_T + i];
+
+	    dy[(2*j  )*nxp + (2*i+1)]   = ds_10_11_T[j*nx_T + i];
+	    if(j>0) dy[(2*j  )*nxp + (2*i+2)]   = ds_11_12_C[(j-1)*nx_T + i];
+	    dy[(2*j+1)*nxp + (2*i+1)]   = ds_11_12_T[j*nx_T + i];
+	    dy[(2*j+1)*nxp + (2*i+2)]   = ds_10_11_C[j*nx_T + i];
+
+	    angle_dx[(2*j+1)*nxp + 2*i+1] = unknown;
+	    angle_dx[(2*j+1)*nxp + 2*i+2] = unknown;
+	    angle_dx[(2*j+2)*nxp + 2*i+1] = unknown;
+	    angle_dx[(2*j+2)*nxp + 2*i+2] = angle_C[j*nx_C + i ]; 
+
+	    if (j==0) {
+	       x[i1] = 0.5*(x_vert_T[ji0]+x_vert_T[ji1]);
+	       x[i2] = x_vert_T[ji1];
+	       y[i1] = 0.5*(y_vert_T[ji0]+y_vert_T[ji1]);
+	       y[i2] = y_vert_T[ji1];
+
+	       dx[ (2*i+0)] = unknown;
+	       dx[ (2*i+1)] = unknown;
+	       /* dy[(2*j  )*nxp + (2*i+2)]   = unknown; */
+	       dy[(2*j  )*nxp + (2*i+2)]   = ds_20_22_T[j*nx_T + i] - ds_10_11_C[j*nx_T + i];
+
+	       angle_dx[2*i+1] = unknown;
+	       angle_dx[2*i+2] = unknown;
+	    }
+
+	    if (i==0) {
+	       x[j1*nxp] = 0.5*(x_vert_T[ji0]+x_vert_T[ji3]);
+	       x[j2*nxp] = x_vert_T[ji3];
+	       y[j1*nxp] = 0.5*(y_vert_T[ji0]+y_vert_T[ji3]);
+	       y[j2*nxp] = y_vert_T[ji3];
+
+	       /* dx[(2*j+2)*nx  + (2*i)]   = unknown;*/
+	       dx[(2*j+2)*nx  + (2*i)]   = ds_02_22_T[j*nx_T + i] - ds_01_11_C[j*nx_T + i];
+	       dy[(2*j  )*nxp ]    = unknown;
+	       dy[(2*j+1)*nxp ]    = unknown;
+
+	       angle_dx[(2*j+1)*nxp] = unknown;
+	       angle_dx[(2*j+2)*nxp] = unknown;
+	    }
+	    if (i==0 && j==0) {
+	       x[0] = x_vert_T[ji0]; y[0] = y_vert_T[ji0];
+	       angle_dx[0] = unknown;
+	    }
+
+	 }
+      }
+
+      //for(j = 0; j<nyp; j++) { for(i = 0; i<nxp; i++) { if(angle_dx[j*nxp+i]>0.0) printf("%d %d %f\n ",i,j,angle_dx[j*nxp+i]); } }
+      //for(j = 0; j<ny_T; j++) { printf("%f ",y_C[j*nx_T+(nx_T+0)/4]); }
+      //for(i = 0; i<nx_T; i++) { if(y_T[(ny_T-1)*nx_T+i]>85.) printf("%f ",y_T[(ny_T-1)*nx_T+i]); }
+      //printf("\n\n");
+      //for(j = 0; j<nyp; j++) { printf("%f ",y[j*nxp+(nxp-1)/4]); }
+      //for(i = 0; i<nxp; i++) { if(y[(nyp-1)*nxp+i]>85.) printf("%f ",y[(nyp-1)*nxp+i]); }
+
+
+      /* write ocean-grid data */
+      /*-------ocean_hgrid.nc-------*/
+      {
+	 int fid, id_tile, id_x, id_y, id_dx, id_dy, id_area, id_angle_dx, id_angle_dy, id_arcx;
+	 int dimlist[5], dims[2], i, j, l, ni, nj, nip, njp;
+	 char tile_spec_version[] = "0.2", geometry[] = "spherical", discretization[] = "logically_rectangular", conformal[]="true";
+	 char outfile[128] = "", tilename[128]="";
+	 size_t start[4], nwrite[4];
+    
+	 sprintf(outfile, "%s_hgrid.nc",ocean_name);
+	 printf("Writing %s\n", outfile);
+	 printf("\t nx_C=%d, ny_C=%d, x_T=%d, ny_T=%d \n", nx_C, ny_C,nx_T, ny_T); 
+	 sprintf(tilename, "tile%d", 1);
+	 fid = mpp_open(outfile, MPP_WRITE);
+
+	 dimlist[0] = mpp_def_dim(fid, "string", STRINGLEN);
+	 dimlist[1] = mpp_def_dim(fid, "nxp", nxp);
+	 dimlist[2] = mpp_def_dim(fid, "nyp", nyp);
+	 dimlist[3] = mpp_def_dim(fid, "nx", nx);
+	 dimlist[4] = mpp_def_dim(fid, "ny", ny);
+
+	 id_tile = mpp_def_var(fid, "tile", MPP_CHAR, 1, dimlist, 5, "standard_name", "grid_tile_spec",
+	 "tile_spec_version", tile_spec_version, "geometry", geometry,
+	 "discretization", discretization, "conformal", conformal );
+
+
+	 dims[0] = dimlist[2]; dims[1] = dimlist[1];
+	 id_x = mpp_def_var(fid, "x", MPP_DOUBLE, 2, dims, 2, "standard_name", "geographic_longitude",
+	 "units", "degree_east");
+	 id_y = mpp_def_var(fid, "y", MPP_DOUBLE, 2, dims, 2, "standard_name", "geographic_latitude",
+	 "units", "degree_north");
+
+	 dims[0] = dimlist[2]; dims[1] = dimlist[3];
+	 id_dx = mpp_def_var(fid, "dx", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_edge_x_distance",
+	 "units", "meters");
+	 dims[0] = dimlist[4]; dims[1] = dimlist[1];
+	 id_dy = mpp_def_var(fid, "dy", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_edge_y_distance",
+	 "units", "meters");
+
+	 dims[0] = dimlist[2]; dims[1] = dimlist[1];
+	 id_angle_dx= mpp_def_var(fid, "angle_dx", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_vertex_x_angle_WRT_geographic_east",
+	 "units", "degrees_east");
+
+	 dims[0] = dimlist[4]; dims[1] = dimlist[3];
+	 id_area= mpp_def_var(fid, "area", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_cell_area",
+	 "units", "m2");
+
+	 mpp_end_def(fid);
+
+	 for(i=0; i<4; i++) { start[i] = 0; nwrite[i] = 0; }
+	 nwrite[0] = strlen(tilename);
+	 mpp_put_var_value_block(fid, id_tile, start, nwrite, tilename );
+	 mpp_put_var_value(fid, id_x, x);
+	 mpp_put_var_value(fid, id_y, y);
+	 mpp_put_var_value(fid, id_dx, dx);
+	 mpp_put_var_value(fid, id_dy, dy);
+	 mpp_put_var_value(fid, id_angle_dx, angle_dx);
+	 mpp_close(fid);
+      }
+   }
+// ----------------------------------------------------------------]
+// -----------------atmos_hgrid.nc---------------------------------[
+// Atmosphere
+   int nxba, nyba, nxta, nyta, nxap, nyap;
+   if(is_coupled_grid) {
+      double *x_atmos, *y_atmos;
+      double *xba, *yba, *xta, *yta;
+      int i,j, fid_old, vid;
+
+      fid_old = mpp_open(old_file, MPP_READ);
+      nxba = mpp_get_dimlen(fid_old, "xba");
+      nyba = mpp_get_dimlen(fid_old, "yba");
+      nxta = mpp_get_dimlen(fid_old, "xta");
+      nyta = mpp_get_dimlen(fid_old, "yta");
+      xba = (double *) malloc(nxba * sizeof(double)); 
+      yba = (double *) malloc(nyba * sizeof(double)); 
+      xta = (double *) malloc(nxta * sizeof(double)); 
+      yta = (double *) malloc(nyta * sizeof(double)); 
+      vid = mpp_get_varid(fid_old, "xba"); mpp_get_var_value(fid_old, vid, xba);
+      vid = mpp_get_varid(fid_old, "yba"); mpp_get_var_value(fid_old, vid, yba);
+      vid = mpp_get_varid(fid_old, "xta"); mpp_get_var_value(fid_old, vid, xta);
+      vid = mpp_get_varid(fid_old, "yta"); mpp_get_var_value(fid_old, vid, yta);
+      mpp_close(fid_old);
+  
+      nxap = nxba + nxta; nyap = nyba + nyta; 
+      x_atmos = (double *) malloc(nxap*nyap * sizeof(double));
+      y_atmos = (double *) malloc(nxap*nyap * sizeof(double));
+
+      for(i = 0; i<nxba; i++) x_atmos[2*i]   = xba[i]; for(i = 0; i<nxta; i++) x_atmos[2*i+1]   = xta[i]; 
+
+      for(j = 0; j<nyba; j++) y_atmos[2*j*nxap]   = yba[j]; 
+      for(j = 0; j<nyta; j++) y_atmos[(2*j+1)*nxap]   = yta[j]; 
+
+      for(j = 1; j<nyap; j++) for(i = 0; i<nxap; i++) x_atmos[j*nxap + i]   = x_atmos[i];
+      for(i = 1; i<nxap; i++) for(j = 0; j<nyap; j++) y_atmos[j*nxap + i]   = y_atmos[j*nxap];
+
+      /* write Atmosphere-grid data */
+      {
+	 int fid, id_tile, id_x, id_y, id_dx, id_dy, id_area, id_angle_dx, id_angle_dy, id_arcx;
+	 int dimlist[5], dims[2], i, j, l, ni, nj, nip, njp;
+	 char tile_spec_version[] = "0.2", geometry[] = "spherical", discretization[] = "logically_rectangular", conformal[]="true";
+	 char outfile[128] = "", tilename[128]="";
+	 size_t start[4], nwrite[4];
+    
+	 sprintf(outfile, "%s_hgrid.nc", atmos_name);
+	 printf("Writing %s\n", outfile);
+	 printf("\t nxba=%d, nyba=%d, nxta=%d, nyta=%d \n", nxba, nyba,nxta, nyta); 
+
+	 sprintf(tilename, "tile%d", 1);
+	 fid = mpp_open(outfile, MPP_WRITE);
+	 dimlist[0] = mpp_def_dim(fid, "string", STRINGLEN);
+	 dimlist[1] = mpp_def_dim(fid, "nxp", nxap);
+	 dimlist[2] = mpp_def_dim(fid, "nyp", nyap);
+	 dimlist[3] = mpp_def_dim(fid, "nx", nxap-1);
+	 dimlist[4] = mpp_def_dim(fid, "ny", nyap-1);
+	 id_tile = mpp_def_var(fid, "tile", MPP_CHAR, 1, dimlist, 5, "standard_name", "grid_tile_spec", "tile_spec_version", 
+	 tile_spec_version, "geometry", geometry, "discretization", discretization, "conformal", conformal );
+	 dims[0] = dimlist[2]; dims[1] = dimlist[1];
+	 id_x = mpp_def_var(fid, "x", MPP_DOUBLE, 2, dims, 2, "standard_name", "geographic_longitude", "units", "degree_east");
+	 id_y = mpp_def_var(fid, "y", MPP_DOUBLE, 2, dims, 2, "standard_name", "geographic_latitude", "units", "degree_north");
+
+	 /* Following variables are not defined */
+	 dims[0] = dimlist[2]; dims[1] = dimlist[3];
+	 id_dx = mpp_def_var(fid, "dx", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_edge_x_distance", "units", "meters");
+	 dims[0] = dimlist[4]; dims[1] = dimlist[1];
+	 id_dy = mpp_def_var(fid, "dy", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_edge_y_distance", "units", "meters");
+	 dims[0] = dimlist[2]; dims[1] = dimlist[1];
+	 id_angle_dx= mpp_def_var(fid, "angle_dx", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_vertex_x_angle_WRT_geographic_east",
+	 "units", "degrees_east");
+	 dims[0] = dimlist[4]; dims[1] = dimlist[3];
+	 id_angle_dx= mpp_def_var(fid, "area", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_cell_area", "units", "m2");
+	 /* ------------------------------------------- */
+	 mpp_end_def(fid);
+	 for(i=0; i<4; i++) { start[i] = 0; nwrite[i] = 0; }
+	 nwrite[0] = strlen(tilename);
+	 mpp_put_var_value_block(fid, id_tile, start, nwrite, tilename );
+	 mpp_put_var_value(fid, id_x, x_atmos);
+	 mpp_put_var_value(fid, id_y, y_atmos);
+	 mpp_close(fid);
+      }
+      free(xba); free(yba); free(xta); free(yta);  free(x_atmos); free(y_atmos);
+   }
+// ----------------------------------------------------------------]
+
+//.................. Land .......................
+//..................land_hgrid.nc................
+   int nxbl, nybl, nxtl, nytl,  nxlp, nylp;
+   if(is_coupled_grid){
+      double *x_land, *y_land;
+      double *xbl, *ybl, *xtl, *ytl;
+      int i,j, fid_old, vid;
+
+      fid_old = mpp_open(old_file, MPP_READ);
+  
+      nxbl = mpp_get_dimlen(fid_old, "xbl");
+      nybl = mpp_get_dimlen(fid_old, "ybl");
+      nxtl = mpp_get_dimlen(fid_old, "xtl");
+      nytl = mpp_get_dimlen(fid_old, "ytl");
+      xbl = (double *) malloc(nxbl * sizeof(double)); 
+      ybl = (double *) malloc(nybl * sizeof(double)); 
+      xtl = (double *) malloc(nxtl * sizeof(double)); 
+      ytl = (double *) malloc(nytl * sizeof(double)); 
+      vid = mpp_get_varid(fid_old, "xbl"); mpp_get_var_value(fid_old, vid, xbl);
+      vid = mpp_get_varid(fid_old, "ybl"); mpp_get_var_value(fid_old, vid, ybl);
+      vid = mpp_get_varid(fid_old, "xtl"); mpp_get_var_value(fid_old, vid, xtl);
+      vid = mpp_get_varid(fid_old, "ytl"); mpp_get_var_value(fid_old, vid, ytl);
+      mpp_close(fid_old);
+  
+      nxlp = nxbl + nxtl; nylp = nybl + nytl; 
+      x_land  = (double *) malloc(nxlp*nylp * sizeof(double));
+      y_land  = (double *) malloc(nxlp*nylp * sizeof(double));
+  
+      for(i = 0; i<nxbl; i++) x_land[2*i]   = xbl[i]; 
+      for(i = 0; i<nxtl; i++) x_land[2*i+1]   = xtl[i]; 
+
+      for(j = 0; j<nybl; j++) y_land[2*j*nxlp]   = ybl[j]; 
+      for(j = 0; j<nytl; j++) y_land[(2*j+1)*nxlp]   = ytl[j]; 
+
+      for(j = 1; j<nylp; j++) for(i = 0; i<nxlp; i++) x_land[j*nxlp + i]   = x_land[i];
+
+      for(i = 1; i<nxlp; i++) 
+	 for(j = 0; j<nylp; j++) 
+	    y_land[j*nxlp + i]   = y_land[j*nxlp];
+
+      /* write Land-grid data */
+      {
+	 int fid, id_tile, id_x, id_y, id_dx, id_dy, id_area, id_angle_dx, id_angle_dy, id_arcx;
+	 int dimlist[5], dims[2], i, j, l, ni, nj, nip, njp;
+	 char tile_spec_version[] = "0.2", geometry[] = "spherical", discretization[] = "logically_rectangular", conformal[]="true";
+	 char outfile[128] = "", tilename[128]="";
+	 size_t start[4], nwrite[4];
+    
+	 sprintf(outfile, "%s_hgrid.nc",land_name);
+	 printf("Writing %s\n", outfile);
+	 printf("\t nxbl=%d, nybl=%d, nxtl=%d, nytl=%d \n", nxbl, nybl,nxtl, nytl); 
+
+	 sprintf(tilename, "tile%d", 1);
+	 fid = mpp_open(outfile, MPP_WRITE);
+	 dimlist[0] = mpp_def_dim(fid, "string", STRINGLEN);
+	 dimlist[1] = mpp_def_dim(fid, "nxp", nxlp);
+	 dimlist[2] = mpp_def_dim(fid, "nyp", nylp);
+	 dimlist[3] = mpp_def_dim(fid, "nx", nxlp-1);
+	 dimlist[4] = mpp_def_dim(fid, "ny", nylp-1);
+	 id_tile = mpp_def_var(fid, "tile", MPP_CHAR, 1, dimlist, 5, "standard_name", "grid_tile_spec", "tile_spec_version", 
+	 tile_spec_version, "geometry", geometry, "discretization", discretization, "conformal", conformal );
+	 dims[0] = dimlist[2]; dims[1] = dimlist[1];
+	 id_x = mpp_def_var(fid, "x", MPP_DOUBLE, 2, dims, 2, "standard_name", "geographic_longitude", "units", "degree_east");
+	 id_y = mpp_def_var(fid, "y", MPP_DOUBLE, 2, dims, 2, "standard_name", "geographic_latitude", "units", "degree_north");
+
+	 /* Following variables are not defined */
+	 dims[0] = dimlist[2]; dims[1] = dimlist[3];
+	 id_dx = mpp_def_var(fid, "dx", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_edge_x_distance", "units", "meters");
+	 dims[0] = dimlist[4]; dims[1] = dimlist[1];
+	 id_dy = mpp_def_var(fid, "dy", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_edge_y_distance", "units", "meters");
+	 dims[0] = dimlist[2]; dims[1] = dimlist[1];
+	 id_angle_dx= mpp_def_var(fid, "angle_dx", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_vertex_x_angle_WRT_geographic_east",
+	 "units", "degrees_east");
+	 dims[0] = dimlist[4]; dims[1] = dimlist[3];
+	 id_angle_dx= mpp_def_var(fid, "area", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_cell_area", "units", "m2");
+	 /* ------------------------------------------- */
+
+	 mpp_end_def(fid);
+	 for(i=0; i<4; i++) { start[i] = 0; nwrite[i] = 0; }
+	 nwrite[0] = strlen(tilename);
+	 mpp_put_var_value_block(fid, id_tile, start, nwrite, tilename );
+	 mpp_put_var_value(fid, id_x, x_land);
+	 mpp_put_var_value(fid, id_y, y_land);
+	 mpp_close(fid);
+      }
+      free(xbl); free(ybl); free(xtl); free(ytl);  free(x_land); free(y_land);
+   }
+//-------------------------------ocean_vgrid.nc----------------------------------
+   { 
+      double *z, *zb, *zt;
+      int nzb, nzt, nz, i,j, fid_old, vid;
+
+      fid_old = mpp_open(old_file, MPP_READ);
+      nzb = mpp_get_dimlen(fid_old, "zb");
+      nzt = mpp_get_dimlen(fid_old, "zt");
+      zb = (double *) malloc(nzb * sizeof(double)); 
+      zt = (double *) malloc(nzt * sizeof(double)); 
+      vid = mpp_get_varid(fid_old, "zb"); mpp_get_var_value(fid_old, vid, zb);
+      vid = mpp_get_varid(fid_old, "zt"); mpp_get_var_value(fid_old, vid, zt);
+      mpp_close(fid_old);
+  
+      nz = nzb + nzt + 1; 
+      z = (double *) malloc(nz * sizeof(double));
+      z[0]=0.0; 
+      for(i = 0; i<nzt; i++) { z[2*i + 1]   = zt[i]; z[2*i+2]   = zb[i]; } 
+
+      {
+	 int fid, dim, varid;
+	 char outfile[128] = "";
+
+	 sprintf(outfile, "%s_vgrid.nc",ocean_name);
+	 printf("Writing %s\n", outfile);
+	 printf("\t nzb=%d, nzt=%d\n", nzb, nzt); 
+
+	 fid = mpp_open(outfile, MPP_WRITE);
+	 dim  = mpp_def_dim(fid, "nzv", nz);
+	 varid = mpp_def_var(fid, "zeta", MPP_DOUBLE, 1, &dim, 2, "standard_name", "vertical_grid_vertex", "units", "meters");
+	 mpp_end_def(fid);
+	 mpp_put_var_value(fid, varid, z);
+	 mpp_close(fid);
+      }
+      free(zb); free(zt); free(z);
+   }
+
+
+//-------------------------------topog.nc----------------------------------
+   { 
+      double *depth_t;
+      int nx, ny, ntiles, i,j, fid_old, vid;
+
+      fid_old = mpp_open(old_file, MPP_READ);  
+      nx= mpp_get_dimlen(fid_old, "grid_x_T");
+      ny= mpp_get_dimlen(fid_old, "grid_y_T");
+      depth_t= (double *) malloc(nx*ny* sizeof(double));
+      vid = mpp_get_varid(fid_old, "depth_t");  mpp_get_var_value(fid_old, vid, depth_t);
+      mpp_close(fid_old);
+  
+      {
+	 int fid, dim[2], varid, ntiles = 1, dim_ntile;
+	 char outfile[128] = "";
+	 sprintf(outfile, "topog.nc");
+	 printf("Writing %s\n", outfile);
+	 printf("\t nx=%d, ny=%d\n", nx, ny);
+	 fid = mpp_open(outfile, MPP_WRITE);
+	 dim_ntile = mpp_def_dim(fid, "ntiles", 1);
+	 dim[1]  = mpp_def_dim(fid, "nx", nx);
+	 dim[0]  = mpp_def_dim(fid, "ny", ny);
+	 varid = mpp_def_var(fid, "depth", MPP_DOUBLE, 2, dim, 2, "standard_name", "topographic depth at T-cell centers", "units", "meters");
+	 mpp_end_def(fid);
+	 mpp_put_var_value(fid, varid, depth_t);
+	 mpp_close(fid);
+      }
+      free(depth_t); 
+   }
+
+//................atmos_mosaic.nc............................
+   if(is_coupled_grid)  {
+      char str[STRING], outfile[STRING];
+      int fid, dim_ntiles, dim_ncontact, dim_string, id_mosaic, id_gridtiles, id_contacts;
+      int id_contact_index, id_griddir, id_gridfiles, dim[2];
+
+      size_t start[4], nwrite[4];
+
+//--------Initilize values --------------
+      ntiles = 1, ncontact = 0; 
+
+      sprintf(mosaic_name, "%s_mosaic",atmos_name);
+      sprintf(outfile, "%s.nc", mosaic_name);
+      printf("Writing %s\n", outfile);
+
+      sprintf(tile_name[0], "tile%d", 1);
+      sprintf(tilefile[0], "%s_hgrid.nc",atmos_name);
+      fid = mpp_open(outfile, MPP_WRITE);
+
+      contact_tile1_istart[0]=nxba-1; contact_tile1_iend[0]=nxba-1; 
+      contact_tile1_jstart[0]=1; contact_tile1_jend[0]=nyba-1; 
+
+      contact_tile2_istart[0]=1; contact_tile2_iend[0]=1; 
+      contact_tile2_jstart[0]=1; contact_tile2_jend[0]=nyba-1;
+//--------Initilize values --------------
+
+      dim_ntiles = mpp_def_dim(fid, "ntiles", ntiles);
+      if(ncontact>0) dim_ncontact = mpp_def_dim(fid, "ncontact", ncontact);
+      dim_string = mpp_def_dim(fid, "string", STRING);
+
+      id_mosaic = mpp_def_var(fid, "mosaic", MPP_CHAR, 1, &dim_string, 5, "standard_name",
+      "grid_mosaic_spec", "mosaic_spec_version", mosaic_version,
+      "children", "gridtiles", "contact_regions", "contacts",
+      "grid_descriptor", grid_descriptor);
+      dim[0] = dim_ntiles; dim[1] = dim_string;
+      id_griddir   = mpp_def_var(fid, "gridlocation", MPP_CHAR, 1, &dim[1], 1,
+      "standard_name", "grid_file_location");
+      id_gridfiles = mpp_def_var(fid, "gridfiles", MPP_CHAR, 2, dim, 0);
+      id_gridtiles = mpp_def_var(fid, "gridtiles", MPP_CHAR, 2, dim, 0);
+
+      if(ncontact>0) {
+	 dim[0] = dim_ncontact; dim[1] = dim_string;
+	 id_contacts = mpp_def_var(fid, "contacts", MPP_CHAR, 2, dim, 5, "standard_name", "grid_contact_spec",
+	 "contact_type", "boundary", "alignment", "true",
+	 "contact_index", "contact_index", "orientation", "orient");
+	 id_contact_index = mpp_def_var(fid, "contact_index", MPP_CHAR, 2, dim, 1, "standard_name",
+	 "starting_ending_point_index_of_contact");
+
+      }
+
+      //mpp_def_global(fid, "history", history);
+      mpp_end_def(fid);
+
+      /* write out data */
+      for(i=0; i<4; i++) {
+	 start[i] = 0; nwrite[i] = 1;
+      }
+      nwrite[0] = strlen(mosaic_name);
+      mpp_put_var_value_block(fid, id_mosaic, start, nwrite, mosaic_name);
+      nwrite[0] = strlen(mosaic_dir);
+      mpp_put_var_value_block(fid, id_griddir, start, nwrite, mosaic_dir);
+      nwrite[0] = 1;
+      for(n=0; n<ntiles; n++) {
+	 start[0] = n; nwrite[1] = strlen(tile_name[n]);
+	 mpp_put_var_value_block(fid, id_gridtiles, start, nwrite, tile_name[n]);
+	 nwrite[1] = strlen(tilefile[n]);
+	 mpp_put_var_value_block(fid, id_gridfiles, start, nwrite, tilefile[n]);
+      }
+
+      for(n=0; n<ncontact; n++) {
+	 sprintf(str,"%s:%s::%s:%s", mosaic_name, tile_name[contact_tile1[n]], mosaic_name,
+	 tile_name[contact_tile2[n]]);
+	 start[0] = n; nwrite[1] = strlen(str);
+	 mpp_put_var_value_block(fid, id_contacts, start, nwrite, str);
+	 sprintf(str,"%d:%d,%d:%d::%d:%d,%d:%d", contact_tile1_istart[n], contact_tile1_iend[n],
+	 contact_tile1_jstart[n], contact_tile1_jend[n], contact_tile2_istart[n],
+	 contact_tile2_iend[n], contact_tile2_jstart[n], contact_tile2_jend[n] );
+	 nwrite[1] = strlen(str);
+	 mpp_put_var_value_block(fid, id_contact_index, start, nwrite, str);
+      }
+      mpp_close(fid);
+   }
+
+//................land_mosaic.nc............................
+   if(is_coupled_grid)  {
+      char str[STRING], outfile[STRING];
+      int fid, dim_ntiles, dim_ncontact, dim_string, id_mosaic, id_gridtiles, id_contacts;
+      int id_contact_index, id_griddir, id_gridfiles, dim[2];
+
+      size_t start[4], nwrite[4];
+
+//--------Initilize values --------------
+      ntiles = 1, ncontact = 1; 
+      contact_tile1_istart[1]=1; contact_tile1_iend[1]=1;
+      contact_tile1_jstart[1]=1; contact_tile1_jend[1]=nytl;
+
+      contact_tile2_istart[1]=nxtl; contact_tile2_iend[1]=nxtl;
+      contact_tile2_jstart[1]=1;    contact_tile2_jend[1]=nytl;
+    
+      sprintf(mosaic_name, "%s_mosaic",land_name);
+      sprintf(outfile, "%s.nc", mosaic_name);
+      printf("Writing %s\n", outfile);
+
+      sprintf(tile_name[0], "tile%d", 1);
+      sprintf(tilefile[0], "%s_hgrid.nc",land_name);
+      fid = mpp_open(outfile, MPP_WRITE);
+
+      contact_tile1_istart[0]=nxbl-1; contact_tile1_iend[0]=nxbl-1; 
+      contact_tile1_jstart[0]=1; contact_tile1_jend[0]=nybl-1; 
+
+      contact_tile2_istart[0]=1; contact_tile2_iend[0]=1; 
+      contact_tile2_jstart[0]=1; contact_tile2_jend[0]=nybl-1;
+//--------Initilize values --------------
+
+      dim_ntiles = mpp_def_dim(fid, "ntiles", ntiles);
+      if(ncontact>0) dim_ncontact = mpp_def_dim(fid, "ncontact", ncontact);
+      dim_string = mpp_def_dim(fid, "string", STRING);
+
+      id_mosaic = mpp_def_var(fid, "mosaic", MPP_CHAR, 1, &dim_string, 5, "standard_name",
+      "grid_mosaic_spec", "mosaic_spec_version", mosaic_version,
+      "children", "gridtiles", "contact_regions", "contacts",
+      "grid_descriptor", grid_descriptor);
+      dim[0] = dim_ntiles; dim[1] = dim_string;
+      id_griddir   = mpp_def_var(fid, "gridlocation", MPP_CHAR, 1, &dim[1], 1,
+      "standard_name", "grid_file_location");
+      id_gridfiles = mpp_def_var(fid, "gridfiles", MPP_CHAR, 2, dim, 0);
+      id_gridtiles = mpp_def_var(fid, "gridtiles", MPP_CHAR, 2, dim, 0);
+
+      if(ncontact>0) {
+	 dim[0] = dim_ncontact; dim[1] = dim_string;
+	 id_contacts = mpp_def_var(fid, "contacts", MPP_CHAR, 2, dim, 5, "standard_name", "grid_contact_spec",
+	 "contact_type", "boundary", "alignment", "true",
+	 "contact_index", "contact_index", "orientation", "orient");
+	 id_contact_index = mpp_def_var(fid, "contact_index", MPP_CHAR, 2, dim, 1, "standard_name",
+	 "starting_ending_point_index_of_contact");
+
+      }
+
+      //mpp_def_global(fid, "history", history);
+      mpp_end_def(fid);
+
+      /* write out data */
+      for(i=0; i<4; i++) {
+	 start[i] = 0; nwrite[i] = 1;
+      }
+      nwrite[0] = strlen(mosaic_name);
+      mpp_put_var_value_block(fid, id_mosaic, start, nwrite, mosaic_name);
+      nwrite[0] = strlen(mosaic_dir);
+      mpp_put_var_value_block(fid, id_griddir, start, nwrite, mosaic_dir);
+      nwrite[0] = 1;
+      for(n=0; n<ntiles; n++) {
+	 start[0] = n; nwrite[1] = strlen(tile_name[n]);
+	 mpp_put_var_value_block(fid, id_gridtiles, start, nwrite, tile_name[n]);
+	 nwrite[1] = strlen(tilefile[n]);
+	 mpp_put_var_value_block(fid, id_gridfiles, start, nwrite, tilefile[n]);
+      }
+
+      for(n=0; n<ncontact; n++) {
+	 sprintf(str,"%s:%s::%s:%s", mosaic_name, tile_name[contact_tile1[n]], mosaic_name,
+	 tile_name[contact_tile2[n]]);
+	 start[0] = n; nwrite[1] = strlen(str);
+	 mpp_put_var_value_block(fid, id_contacts, start, nwrite, str);
+	 sprintf(str,"%d:%d,%d:%d::%d:%d,%d:%d", contact_tile1_istart[n], contact_tile1_iend[n],
+	 contact_tile1_jstart[n], contact_tile1_jend[n], contact_tile2_istart[n],
+	 contact_tile2_iend[n], contact_tile2_jstart[n], contact_tile2_jend[n] );
+	 nwrite[1] = strlen(str);
+	 mpp_put_var_value_block(fid, id_contact_index, start, nwrite, str);
+      }
+      mpp_close(fid);
+   }
+
+/* ...................... ocean_mosaic.nc .................*/
+   {
+      char str[STRING], outfile[STRING], x_boundary_type1[255]="", y_boundary_type1[255]="";
+      int fid, dim_ntiles, dim_ncontact, dim_string, id_mosaic, id_gridtiles, id_contacts;
+      int id_contact_index, id_griddir, id_gridfiles, dim[2], itmp, fid_old;
+
+      size_t start[4], nwrite[4];
+
+//--------Initilize values --------------
+      ntiles = 1, ncontact = 0; 
+
+      sprintf(mosaic_name, "%s_mosaic",ocean_name);
+      sprintf(outfile, "%s.nc", mosaic_name);
+      printf("Writing %s\n", outfile);
+
+      sprintf(tile_name[0], "tile%d", 1);
+      sprintf(tilefile[0], "%s_hgrid.nc", ocean_name);
+    
+      /* ........... Read Boundary Type ................ */
+      fid_old = mpp_open(old_file, MPP_READ);
+      mpp_get_global_att(fid_old, "x_boundary_type",x_boundary_type1);
+      mpp_get_global_att(fid_old, "y_boundary_type",y_boundary_type1);
+      mpp_close(fid_old);
+      if (strcmp(x_boundary_type1, "cyclic")==0) {
+	 n = ncontact; ncontact = ncontact + 1; 
+	 contact_tile1_istart[n]=360; contact_tile1_iend[n]=360; 
+	 contact_tile1_jstart[n]=1; contact_tile1_jend[n]=180; 
+
+	 contact_tile2_istart[n]=1; contact_tile2_iend[n]=1; 
+	 contact_tile2_jstart[n]=1; contact_tile2_jend[n]=180;
+	 printf("\t x_boundary_type = %s, ncontact=%d \n",x_boundary_type1,ncontact);
+      }
+    
+      if (strcmp(y_boundary_type1, "fold_north_edge")==0) {
+	 n = ncontact; ncontact = ncontact + 1; 
+	 contact_tile1_istart[n]=1; contact_tile1_iend[n]=180;
+	 contact_tile1_jstart[n]=180; contact_tile1_jend[n]=180;
+
+	 contact_tile2_istart[n]=360; contact_tile2_iend[n]=181;
+	 contact_tile2_jstart[n]=180; contact_tile2_jend[n]=180;
+	 printf("\t y_boundary_type = %s, ncontact=%d \n",y_boundary_type1,ncontact);
+      }
+
+      fid = mpp_open(outfile, MPP_WRITE);
+
+//--------Initilize values --------------
+
+      dim_ntiles = mpp_def_dim(fid, "ntiles", ntiles);
+      if(ncontact>0) dim_ncontact = mpp_def_dim(fid, "ncontact", ncontact);
+      dim_string = mpp_def_dim(fid, "string", STRING);
+
+      id_mosaic = mpp_def_var(fid, "mosaic", MPP_CHAR, 1, &dim_string, 5, "standard_name",
+      "grid_mosaic_spec", "mosaic_spec_version", mosaic_version,
+      "children", "gridtiles", "contact_regions", "contacts",
+      "grid_descriptor", grid_descriptor);
+      dim[0] = dim_ntiles; dim[1] = dim_string;
+      id_griddir   = mpp_def_var(fid, "gridlocation", MPP_CHAR, 1, &dim[1], 1,
+      "standard_name", "grid_file_location");
+      id_gridfiles = mpp_def_var(fid, "gridfiles", MPP_CHAR, 2, dim, 0);
+      id_gridtiles = mpp_def_var(fid, "gridtiles", MPP_CHAR, 2, dim, 0);
+
+      if(ncontact>0) {
+	 dim[0] = dim_ncontact; dim[1] = dim_string;
+	 id_contacts = mpp_def_var(fid, "contacts", MPP_CHAR, 2, dim, 5, "standard_name", "grid_contact_spec",
+	 "contact_type", "boundary", "alignment", "true",
+	 "contact_index", "contact_index", "orientation", "orient");
+	 id_contact_index = mpp_def_var(fid, "contact_index", MPP_CHAR, 2, dim, 1, "standard_name",
+	 "starting_ending_point_index_of_contact");
+
+      }
+
+      //mpp_def_global(fid, "history", history);
+      mpp_end_def(fid);
+
+      /* write out data */
+      for(i=0; i<4; i++) {
+	 start[i] = 0; nwrite[i] = 1;
+      }
+      nwrite[0] = strlen(mosaic_name);
+      mpp_put_var_value_block(fid, id_mosaic, start, nwrite, mosaic_name);
+      nwrite[0] = strlen(mosaic_dir);
+      mpp_put_var_value_block(fid, id_griddir, start, nwrite, mosaic_dir);
+      nwrite[0] = 1;
+      for(n=0; n<ntiles; n++) {
+	 start[0] = n; nwrite[1] = strlen(tile_name[n]);
+	 mpp_put_var_value_block(fid, id_gridtiles, start, nwrite, tile_name[n]);
+	 nwrite[1] = strlen(tilefile[n]);
+	 mpp_put_var_value_block(fid, id_gridfiles, start, nwrite, tilefile[n]);
+      }
+
+      for(n=0; n<ncontact; n++) {
+	 sprintf(str,"%s:%s::%s:%s", mosaic_name, tile_name[contact_tile1[n]], mosaic_name,
+	 tile_name[contact_tile2[n]]);
+	 start[0] = n; nwrite[1] = strlen(str);
+	 mpp_put_var_value_block(fid, id_contacts, start, nwrite, str);
+	 sprintf(str,"%d:%d,%d:%d::%d:%d,%d:%d", contact_tile1_istart[n], contact_tile1_iend[n],
+	 contact_tile1_jstart[n], contact_tile1_jend[n], contact_tile2_istart[n],
+	 contact_tile2_iend[n], contact_tile2_jstart[n], contact_tile2_jend[n] );
+	 nwrite[1] = strlen(str);
+	 mpp_put_var_value_block(fid, id_contact_index, start, nwrite, str);
+      }
+      mpp_close(fid);
+   }
+/* ...................... atmosXland.nc .................*/
+   if(is_coupled_grid)  {
+      const char version[] = "0.2";
+      char lxo_file[STRING], axo_file[STRING], axl_file[STRING];
+      char amosaic_file[STRING], lmosaic_file[STRING], omosaic_file[STRING];
+      char otopog_file[STRING];
+
+      char atile_name[255], ltile_name[255], otile_name[255];
+      char amosaic_name[255], lmosaic_name[255], omosaic_name[255];
+      int  fid_old, vid;
+  
+      strcpy(atile_name,"tile1"); strcpy(ltile_name,"tile1"); strcpy(otile_name,"tile1");
+      strcpy(amosaic_name,"atmos"); strcpy(lmosaic_name,"land"); strcpy(omosaic_name,"ocean");
+
+//---------------
+      int no, nl, na, n;
+      size_t  naxl, naxo, naxl_step;
+      int     *atmxlnd_ia, *atmxlnd_ja, *atmxlnd_il, *atmxlnd_jl;
+      int     *atmxocn_ia, *atmxocn_ja, *atmxocn_io, *atmxocn_jo;
+      int     *lndxocn_il, *lndxocn_jl, *lndxocn_io, *lndxocn_jo;
+      double  *atmxlnd_area, *atmxlnd_di, *atmxlnd_dj;
+      double  *atmxocn_area, *atmxocn_di, *atmxocn_dj;
+      double  *lndxocn_area, *lndxocn_di, *lndxocn_dj;
+
+      fid_old = mpp_open(old_file, MPP_READ);
+      naxl = mpp_get_dimlen(fid_old, "i_atmXlnd");
+//----------------
+ 
+      /* write out atmXlnd data*/
+      if(naxl>0) {
+	 size_t start[4], nwrite[4];
+                                                                                                                                                          
+	 int fid, dim_string, dim_ncells, dim_two, dims[4];
+	 int id_xgrid_area, id_contact, n;
+	 int id_tile1_cell, id_tile2_cell, id_tile1_dist, id_tile2_dist;
+	 char contact[STRING];
+                                                                                                                                                          
+	 for(i=0; i<4; i++) {
+            start[i] = 0; nwrite[i] = 1;
+	 }
+	 sprintf(axl_file, "%s_mosaicX%s_mosaic.nc", amosaic_name, lmosaic_name);
+	 printf("Writing %s_mosaicX%s_mosaic.nc\n", amosaic_name, lmosaic_name);
+	 sprintf(contact, "%s_mosaic:%s::%s_mosaic:%s", amosaic_name, atile_name, lmosaic_name, ltile_name);
+	 fid = mpp_open(axl_file, MPP_WRITE);
+	 //mpp_def_global(fid, "history", history);
+	 dim_string = mpp_def_dim(fid, "string", STRING);
+	 dim_ncells = mpp_def_dim(fid, "ncells", naxl);
+	 dim_two    = mpp_def_dim(fid, "two", 2);
+	 if(interp_order == 2) {
+            id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 8, "standard_name", "grid_contact_spec",
+	    "contact_spec_version", version, "contact_type", "exchange", "parent1_cell",
+	    "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area",
+	    "distant_to_parent1_centroid", "tile1_distance", "distant_to_parent2_centroid", "tile2_distance");
+	 }
+	 else {
+            id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 6, "standard_name", "grid_contact_spec",
+	    "contact_spec_version", version, "contact_type", "exchange", "parent1_cell",
+	    "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area");
+	 }
+                                                                                                                                                          
+	 dims[0] = dim_ncells; dims[1] = dim_two;
+	 id_tile1_cell = mpp_def_var(fid, "tile1_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic1");
+	 id_tile2_cell = mpp_def_var(fid, "tile2_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic2");
+	 id_xgrid_area = mpp_def_var(fid, "xgrid_area", MPP_DOUBLE, 1, &dim_ncells, 2, "standard_name",
+	 "exchange_grid_area", "units", "m2");
+	 if(interp_order == 2) {
+            id_tile1_dist = mpp_def_var(fid, "tile1_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent1_cell_centroid");
+            id_tile2_dist = mpp_def_var(fid, "tile2_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent2_cell_centroid");
+	 }
+	 mpp_end_def(fid);
+
+	 for(i=0; i<4; i++) {start[i] = 0; nwrite[i] = 1;}
+	 nwrite[0] = strlen(contact);
+	 mpp_put_var_value_block(fid, id_contact, start, nwrite, contact);
+	 nwrite[0] = naxl;
+
+	 atmxlnd_area = (double *)malloc(naxl*sizeof(double)); 
+	 atmxlnd_ia   = (int    *)malloc(naxl*sizeof(int   )); 
+	 atmxlnd_ja   = (int    *)malloc(naxl*sizeof(int   )); 
+	 atmxlnd_il   = (int    *)malloc(naxl*sizeof(int   )); 
+	 atmxlnd_jl   = (int    *)malloc(naxl*sizeof(int   )); 
+	 vid = mpp_get_varid(fid_old, "AREA_ATMxLND"); mpp_get_var_value(fid_old, vid, atmxlnd_area);
+	 vid = mpp_get_varid(fid_old, "I_ATM_ATMxLND"); mpp_get_var_value(fid_old, vid, atmxlnd_ia);
+	 vid = mpp_get_varid(fid_old, "J_ATM_ATMxLND"); mpp_get_var_value(fid_old, vid, atmxlnd_ja);
+	 vid = mpp_get_varid(fid_old, "I_LND_ATMxLND"); mpp_get_var_value(fid_old, vid, atmxlnd_il);
+	 vid = mpp_get_varid(fid_old, "J_LND_ATMxLND"); mpp_get_var_value(fid_old, vid, atmxlnd_jl);
+	  
+	 for(i=0;i<naxl;i++)atmxlnd_area[i] = atmxlnd_area[i] * 4.0 * PI * RADIUS * RADIUS; 
+
+	 mpp_put_var_value(fid, id_xgrid_area, atmxlnd_area);
+	 mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, atmxlnd_ia);
+	 mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, atmxlnd_il);
+	 start[1] = 1;
+	 mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, atmxlnd_ja);
+	 mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, atmxlnd_jl);
+	 if(interp_order == 2) {
+            atmxlnd_di = (double *)malloc(naxl*sizeof(double)); 
+            atmxlnd_dj = (double *)malloc(naxl*sizeof(double)); 
+	    vid = mpp_get_varid(fid_old, "DI_ATMxLND"); mpp_get_var_value(fid_old, vid, atmxlnd_di);
+	    vid = mpp_get_varid(fid_old, "DJ_ATMxLND"); mpp_get_var_value(fid_old, vid, atmxlnd_dj);
+            start[1] = 0;
+            mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, atmxlnd_di);
+            start[1] = 1;
+            mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, atmxlnd_dj);
+	 }
+	  
+	 mpp_close(fid);
+	 free(atmxlnd_area);
+      }
+      mpp_close(fid_old);
+   }
+/* ...................... atmosXocean.nc .................*/
+   if(is_coupled_grid)  {
+      const char version[] = "0.2";
+      char lxo_file[STRING];
+      char axo_file[STRING];
+      char axl_file[STRING];
+      char amosaic_file[STRING];
+      char lmosaic_file[STRING];
+      char omosaic_file[STRING];
+      char otopog_file[STRING];
+
+      char atile_name[255], ltile_name[255], otile_name[255];
+      char amosaic_name[255], lmosaic_name[255], omosaic_name[255];
+
+      strcpy(atile_name,"tile1"); strcpy(ltile_name,"tile1"); strcpy(otile_name,"tile1");
+      strcpy(amosaic_name,"atmos"); strcpy(lmosaic_name,"land"); strcpy(omosaic_name,"ocean");
+
+//---------------
+      int no, nl, na, n;
+      size_t  naxl, naxo, naxl_step;
+      int     *atmxlnd_ia, *atmxlnd_ja, *atmxlnd_il, *atmxlnd_jl;
+      int     *atmxocn_ia, *atmxocn_ja, *atmxocn_io, *atmxocn_jo;
+      int     *lndxocn_il, *lndxocn_jl, *lndxocn_io, *lndxocn_jo;
+      double  *atmxlnd_area, *atmxlnd_di, *atmxlnd_dj;
+      double  *atmxocn_area, *atmxocn_di, *atmxocn_dj;
+      double  *lndxocn_area, *lndxocn_di, *lndxocn_dj;
+      int fid_old, vid;
+
+      fid_old = mpp_open(old_file, MPP_READ);
+      naxo = mpp_get_dimlen(fid_old, "i_atmXocn");
+//----------------
+ 
+      /* write out atmXlnd data*/
+      if(naxo>0) {
+	 size_t start[4], nwrite[4];
+                                                                                                                                                          
+	 int fid, dim_string, dim_ncells, dim_two, dims[4];
+	 int id_xgrid_area, id_contact, n;
+	 int id_tile1_cell, id_tile2_cell, id_tile1_dist, id_tile2_dist;
+	 char contact[STRING];
+                                                                                                                                                          
+	 for(i=0; i<4; i++) {
+            start[i] = 0; nwrite[i] = 1;
+	 }
+	 sprintf(axo_file, "%s_mosaicX%s_mosaic.nc", amosaic_name, omosaic_name);
+	 printf("Writing %s_mosaicX%s_mosaic.nc\n", amosaic_name, omosaic_name);
+	 sprintf(contact, "%s_mosaic:%s::%s_mosaic:%s", amosaic_name, atile_name, omosaic_name, otile_name);
+	 fid = mpp_open(axo_file, MPP_WRITE);
+	 //mpp_def_global(fid, "history", history);
+	 dim_string = mpp_def_dim(fid, "string", STRING);
+	 dim_ncells = mpp_def_dim(fid, "ncells", naxo);
+	 dim_two    = mpp_def_dim(fid, "two", 2);
+	 if(interp_order == 2) {
+            id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 8, "standard_name", "grid_contact_spec",
+	    "contact_spec_version", version, "contact_type", "exchange", "parent1_cell",
+	    "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area",
+	    "distant_to_parent1_centroid", "tile1_distance", "distant_to_parent2_centroid", "tile2_distance");
+	 }
+	 else {
+            id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 6, "standard_name", "grid_contact_spec",
+	    "contact_spec_version", version, "contact_type", "exchange", "parent1_cell",
+	    "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area");
+	 }
+                                                                                                                                                          
+	 dims[0] = dim_ncells; dims[1] = dim_two;
+	 id_tile1_cell = mpp_def_var(fid, "tile1_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic1");
+	 id_tile2_cell = mpp_def_var(fid, "tile2_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic2");
+	 id_xgrid_area = mpp_def_var(fid, "xgrid_area", MPP_DOUBLE, 1, &dim_ncells, 2, "standard_name",
+	 "exchange_grid_area", "units", "m2");
+	 if(interp_order == 2) {
+            id_tile1_dist = mpp_def_var(fid, "tile1_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent1_cell_centroid");
+            id_tile2_dist = mpp_def_var(fid, "tile2_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent2_cell_centroid");
+	 }
+	 mpp_end_def(fid);
+
+	 for(i=0; i<4; i++) { start[i] = 0; nwrite[i] = 1;}
+	 nwrite[0] = strlen(contact);
+	 mpp_put_var_value_block(fid, id_contact, start, nwrite, contact);
+	 nwrite[0] = naxo;
+
+	 atmxocn_area = (double *)malloc(naxo*sizeof(double)); 
+	 atmxocn_ia   = (int    *)malloc(naxo*sizeof(int   )); 
+	 atmxocn_ja   = (int    *)malloc(naxo*sizeof(int   )); 
+	 atmxocn_io   = (int    *)malloc(naxo*sizeof(int   )); 
+	 atmxocn_jo   = (int    *)malloc(naxo*sizeof(int   )); 
+	 vid = mpp_get_varid(fid_old, "AREA_ATMxOCN"); mpp_get_var_value(fid_old, vid, atmxocn_area);
+	 vid = mpp_get_varid(fid_old, "I_ATM_ATMxOCN"); mpp_get_var_value(fid_old, vid, atmxocn_ia);
+	 vid = mpp_get_varid(fid_old, "J_ATM_ATMxOCN"); mpp_get_var_value(fid_old, vid, atmxocn_ja);
+	 vid = mpp_get_varid(fid_old, "I_OCN_ATMxOCN"); mpp_get_var_value(fid_old, vid, atmxocn_io);
+	 vid = mpp_get_varid(fid_old, "J_OCN_ATMxOCN"); mpp_get_var_value(fid_old, vid, atmxocn_jo);
+	  
+	 for(i=0;i<naxo;i++)atmxocn_area[i] = atmxocn_area[i] * 4.0 * PI * RADIUS * RADIUS; 
+
+	 mpp_put_var_value(fid, id_xgrid_area, atmxocn_area);
+	 mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, atmxocn_ia);
+	 mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, atmxocn_io);
+	 start[1] = 1;
+	 mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, atmxocn_ja);
+	 mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, atmxocn_jo);
+	 if(interp_order == 2) {
+            atmxocn_di = (double *)malloc(naxo*sizeof(double)); 
+            atmxocn_dj = (double *)malloc(naxo*sizeof(double)); 
+	    vid = mpp_get_varid(fid_old, "DI_ATMxOCN"); mpp_get_var_value(fid_old, vid, atmxocn_di);
+	    vid = mpp_get_varid(fid_old, "DJ_ATMxOCN"); mpp_get_var_value(fid_old, vid, atmxocn_dj);
+            start[1] = 0;
+            mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, atmxocn_di);
+            start[1] = 1;
+            mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, atmxocn_dj);
+	 }
+	 mpp_close(fid);
+	 free(atmxocn_area);
+      }
+      mpp_close(fid_old);
+   }
+/* ...................... landXocean.nc .................*/
+   if(is_coupled_grid)  {
+      const char version[] = "0.2";
+      char lxo_file[STRING];
+      char axo_file[STRING];
+      char axl_file[STRING];
+      char amosaic_file[STRING];
+      char lmosaic_file[STRING];
+      char omosaic_file[STRING];
+      char otopog_file[STRING];
+
+      char atile_name[255], ltile_name[255], otile_name[255];
+      char amosaic_name[255], lmosaic_name[255], omosaic_name[255];
+
+      strcpy(atile_name,"tile1"); strcpy(ltile_name,"tile1"); strcpy(otile_name,"tile1");
+      strcpy(amosaic_name,"atmos"); strcpy(lmosaic_name,"land"); strcpy(omosaic_name,"ocean");
+
+//---------------
+      int no, nl, na, n;
+      size_t  naxl, naxo, nlxo, naxl_step;
+      int     *atmxlnd_ia, *atmxlnd_ja, *atmxlnd_il, *atmxlnd_jl;
+      int     *atmxocn_ia, *atmxocn_ja, *atmxocn_io, *atmxocn_jo;
+      int     *lndxocn_il, *lndxocn_jl, *lndxocn_io, *lndxocn_jo;
+      double  *atmxlnd_area, *atmxlnd_di, *atmxlnd_dj;
+      double  *atmxocn_area, *atmxocn_di, *atmxocn_dj;
+      double  *lndxocn_area, *lndxocn_di, *lndxocn_dj;
+      int     fid_old, vid;
+
+      fid_old = mpp_open(old_file, MPP_READ);
+      nlxo = mpp_get_dimlen(fid_old , "i_lndXocn");
+//----------------
+ 
+      /* write out lndXocn data*/
+      if(nlxo>0) {
+	 size_t start[4], nwrite[4];
+                                                                                                                                                          
+	 int fid, dim_string, dim_ncells, dim_two, dims[4];
+	 int id_xgrid_area, id_contact, n;
+	 int id_tile1_cell, id_tile2_cell, id_tile1_dist, id_tile2_dist;
+	 char contact[STRING];
+                                                                                                                                                          
+	 for(i=0; i<4; i++) {
+            start[i] = 0; nwrite[i] = 1;
+	 }
+	 sprintf(lxo_file, "%s_mosaicX%s_mosaic.nc", lmosaic_name, omosaic_name);
+	 printf("Writing %s_mosaicX%s_mosaic.nc\n", lmosaic_name, omosaic_name);
+	 sprintf(contact, "%s_mosaic:%s::%s_mosaic:%s", lmosaic_name, ltile_name, omosaic_name, otile_name);
+	 fid = mpp_open(lxo_file, MPP_WRITE);
+	 //mpp_def_global(fid, "history", history);
+	 dim_string = mpp_def_dim(fid, "string", STRING);
+	 dim_ncells = mpp_def_dim(fid, "ncells", nlxo);
+	 dim_two    = mpp_def_dim(fid, "two", 2);
+	 if(interp_order == 2) {
+            id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 8, "standard_name", "grid_contact_spec",
+	    "contact_spec_version", version, "contact_type", "exchange", "parent1_cell",
+	    "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area",
+	    "distant_to_parent1_centroid", "tile1_distance", "distant_to_parent2_centroid", "tile2_distance");
+	 }
+	 else {
+            id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 6, "standard_name", "grid_contact_spec",
+	    "contact_spec_version", version, "contact_type", "exchange", "parent1_cell",
+	    "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area");
+	 }
+                                                                                                                                                          
+	 dims[0] = dim_ncells; dims[1] = dim_two;
+	 id_tile1_cell = mpp_def_var(fid, "tile1_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic1");
+	 id_tile2_cell = mpp_def_var(fid, "tile2_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic2");
+	 id_xgrid_area = mpp_def_var(fid, "xgrid_area", MPP_DOUBLE, 1, &dim_ncells, 2, "standard_name",
+	 "exchange_grid_area", "units", "m2");
+	 if(interp_order == 2) {
+            id_tile1_dist = mpp_def_var(fid, "tile1_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent1_cell_centroid");
+            id_tile2_dist = mpp_def_var(fid, "tile2_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent2_cell_centroid");
+	 }
+	 mpp_end_def(fid);
+
+	 for(i=0; i<4; i++) { start[i] = 0; nwrite[i] = 1;}
+	 nwrite[0] = strlen(contact);
+	 mpp_put_var_value_block(fid, id_contact, start, nwrite, contact);
+	 nwrite[0] = nlxo;
+
+	 lndxocn_area = (double *)malloc(nlxo*sizeof(double)); 
+	 lndxocn_il   = (int    *)malloc(nlxo*sizeof(int   )); 
+	 lndxocn_jl   = (int    *)malloc(nlxo*sizeof(int   )); 
+	 lndxocn_io   = (int    *)malloc(nlxo*sizeof(int   )); 
+	 lndxocn_jo   = (int    *)malloc(nlxo*sizeof(int   )); 
+	 vid = mpp_get_varid(fid_old, "AREA_LNDxOCN"); mpp_get_var_value(fid_old, vid, lndxocn_area);
+	 vid = mpp_get_varid(fid_old, "I_LND_LNDxOCN"); mpp_get_var_value(fid_old, vid, lndxocn_il);
+	 vid = mpp_get_varid(fid_old, "J_LND_LNDxOCN"); mpp_get_var_value(fid_old, vid, lndxocn_jl);
+	 vid = mpp_get_varid(fid_old, "I_OCN_LNDxOCN"); mpp_get_var_value(fid_old, vid, lndxocn_io);
+	 vid = mpp_get_varid(fid_old, "J_OCN_LNDxOCN"); mpp_get_var_value(fid_old, vid, lndxocn_jo);
+	  
+	 for(i=0;i<nlxo;i++)lndxocn_area[i] = lndxocn_area[i] * 4.0 * PI * RADIUS * RADIUS; 
+
+	 mpp_put_var_value(fid, id_xgrid_area, lndxocn_area);
+	 mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, lndxocn_il);
+	 mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, lndxocn_io);
+	 start[1] = 1;
+	 mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, lndxocn_jl);
+	 mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, lndxocn_jo);
+	 if(interp_order == 2) {
+            lndxocn_di = (double *)malloc(nlxo*sizeof(double)); 
+            lndxocn_dj = (double *)malloc(nlxo*sizeof(double)); 
+	    vid = mpp_get_varid(fid_old, "DI_LNDxOCN"); mpp_get_var_value(fid_old, vid, lndxocn_di);
+	    vid = mpp_get_varid(fid_old, "DJ_LNDxOCN"); mpp_get_var_value(fid_old, vid, lndxocn_dj);
+            start[1] = 0;
+            mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, lndxocn_di);
+            start[1] = 1;
+            mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, lndxocn_dj);
+	 }
+	 mpp_close(fid);
+	 free(lndxocn_area);
+      }
+      mpp_close(fid_old);
+   }
+
+/* ...................... mosaic.nc .................*/
+   {
+      const char version[] = "0.2";
+      char lxo_file[STRING], axo_file[STRING], axl_file[STRING], mosaic_file[STRING];
+      char amosaic_file[STRING], lmosaic_file[STRING], omosaic_file[STRING];
+      char amosaic_name[STRING], lmosaic_name[STRING], omosaic_name[STRING];
+      char otopog_file[STRING];
+
+      int fid, dim_string, dim_axo, dim_lxo, dim_axl, dims[4], n;
+      size_t start[4], nwrite[4];
+      int id_lmosaic_dir, id_lmosaic_file, id_omosaic_dir, id_omosaic_file;
+      int id_amosaic_dir, id_amosaic_file, id_otopog_dir, id_otopog_file;
+      int id_xgrids_dir, id_axo_file, id_lxo_file, id_axl_file;
+      int id_amosaic, id_lmosaic, id_omosaic;
+
+      int nfile_axo = 1, nfile_axl = 1, nfile_lxo = 1; 
+
+      strcpy(mosaic_file,"mosaic.nc");
+      printf("Writing %s\n", mosaic_file);
+
+      fid = mpp_open(mosaic_file, MPP_WRITE);
+      //  mpp_def_global(fid, "history", history);
+      dim_string = mpp_def_dim(fid, "string", STRING);
+      dim_axo = mpp_def_dim(fid, "nfile_aXo", nfile_axo);
+      dim_axl = mpp_def_dim(fid, "nfile_aXl", nfile_axl);
+      dim_lxo = mpp_def_dim(fid, "nfile_lXo", nfile_lxo);
+      id_amosaic_dir  = mpp_def_var(fid, "atm_mosaic_dir", MPP_CHAR, 1, &dim_string,
+      1, "standard_name", "directory_storing_atmosphere_mosaic");
+      id_amosaic_file = mpp_def_var(fid, "atm_mosaic_file", MPP_CHAR, 1, &dim_string,
+      1, "standard_name", "atmosphere_mosaic_file_name");
+      id_amosaic      = mpp_def_var(fid, "atm_mosaic", MPP_CHAR, 1, &dim_string,
+      1, "standard_name", "atmosphere_mosaic_name");
+      id_lmosaic_dir  = mpp_def_var(fid, "lnd_mosaic_dir", MPP_CHAR, 1, &dim_string,
+      1, "standard_name", "directory_storing_land_mosaic");
+      id_lmosaic_file = mpp_def_var(fid, "lnd_mosaic_file", MPP_CHAR, 1, &dim_string,
+      1, "standard_name", "land_mosaic_file_name");
+      id_lmosaic      = mpp_def_var(fid, "lnd_mosaic", MPP_CHAR, 1, &dim_string,
+      1, "standard_name", "land_mosaic_name");
+      id_omosaic_dir  = mpp_def_var(fid, "ocn_mosaic_dir", MPP_CHAR, 1, &dim_string,
+      1, "standard_name", "directory_storing_ocean_mosaic");
+      id_omosaic_file = mpp_def_var(fid, "ocn_mosaic_file", MPP_CHAR, 1, &dim_string,
+      1, "standard_name", "ocean_mosaic_file_name");
+      id_omosaic      = mpp_def_var(fid, "ocn_mosaic", MPP_CHAR, 1, &dim_string,
+      1, "standard_name", "ocean_mosaic_name");
+      id_otopog_dir   = mpp_def_var(fid, "ocn_topog_dir", MPP_CHAR, 1, &dim_string,
+      1, "standard_name", "directory_storing_ocean_topog");
+      id_otopog_file  = mpp_def_var(fid, "ocn_topog_file", MPP_CHAR, 1, &dim_string,
+      1, "standard_name", "ocean_topog_file_name");
+      /* since exchange grid is created in this tool, we may add command line option to specify where to store the output */
+      /*    id_xgrids_dir = mpp_def_var(fid, "xgrids_dir", MPP_CHAR, 1, &dim_string,
+	    1, "standard_name", "directory_storing_xgrids"); */
+      dims[0] = dim_axo; dims[1] = dim_string;
+      id_axo_file = mpp_def_var(fid, "aXo_file", MPP_CHAR, 2, dims, 1, "standard_name", "atmXocn_exchange_grid_file");
+      dims[0] = dim_axl; dims[1] = dim_string;
+      id_axl_file = mpp_def_var(fid, "aXl_file", MPP_CHAR, 2, dims, 1, "standard_name", "atmXlnd_exchange_grid_file");
+      dims[0] = dim_lxo; dims[1] = dim_string;
+      id_lxo_file = mpp_def_var(fid, "lXo_file", MPP_CHAR, 2, dims, 1, "standard_name", "lndXocn_exchange_grid_file");
+      mpp_end_def(fid);
+
+      strcpy(otopog_file,"topog.nc");
+
+      sprintf(amosaic_name,"%s_mosaic",atmos_name); sprintf(lmosaic_name,"%s_mosaic",land_name); sprintf(omosaic_name,"%s_mosaic",ocean_name);
+      sprintf(amosaic_file,"%s.nc",amosaic_name); sprintf(lmosaic_file,"%s.nc",lmosaic_name); sprintf(omosaic_file,"%s.nc",omosaic_name);
+
+      sprintf(axl_file,"%sX%s.nc", amosaic_name, lmosaic_name); 
+      sprintf(axo_file,"%sX%s.nc", amosaic_name, omosaic_name); 
+      sprintf(lxo_file,"%sX%s.nc", lmosaic_name, omosaic_name); 
+
+      for(i=0; i<4; i++) { start[i] = 0; nwrite[i] = 1; }
+      nwrite[0] = strlen(mosaic_dir);
+      mpp_put_var_value_block(fid, id_amosaic_dir, start, nwrite, mosaic_dir);
+      nwrite[0] = strlen(amosaic_file);
+      mpp_put_var_value_block(fid, id_amosaic_file, start, nwrite, amosaic_file);
+      nwrite[0] = strlen(amosaic_name);
+      mpp_put_var_value_block(fid, id_amosaic, start, nwrite, amosaic_name);
+      nwrite[0] = strlen(mosaic_dir);
+      mpp_put_var_value_block(fid, id_lmosaic_dir, start, nwrite, mosaic_dir);
+      nwrite[0] = strlen(lmosaic_file);
+      mpp_put_var_value_block(fid, id_lmosaic_file, start, nwrite, lmosaic_file);
+      nwrite[0] = strlen(lmosaic_name);
+      mpp_put_var_value_block(fid, id_lmosaic, start, nwrite, lmosaic_name);
+      nwrite[0] = strlen(mosaic_dir);
+      mpp_put_var_value_block(fid, id_omosaic_dir, start, nwrite, mosaic_dir);
+      nwrite[0] = strlen(omosaic_file);
+      mpp_put_var_value_block(fid, id_omosaic_file, start, nwrite, omosaic_file);
+      nwrite[0] = strlen(omosaic_name);
+      mpp_put_var_value_block(fid, id_omosaic, start, nwrite, omosaic_name);
+      nwrite[0] = strlen(mosaic_dir);
+      mpp_put_var_value_block(fid, id_otopog_dir, start, nwrite, mosaic_dir);
+      nwrite[0] = strlen(otopog_file);
+      mpp_put_var_value_block(fid, id_otopog_file, start, nwrite, otopog_file);
+      for(i=0; i<4; i++) {
+	 start[i] = 0; nwrite[i] = 1;
+      }
+      start[0] = 0; nwrite[1] = strlen(axo_file);
+      mpp_put_var_value_block(fid, id_axo_file, start, nwrite, axo_file);
+
+      start[0] = 0; nwrite[1] = strlen(axl_file);
+      mpp_put_var_value_block(fid, id_axl_file, start, nwrite, axl_file);
+
+      start[0] = 0; nwrite[1] = strlen(lxo_file);
+      mpp_put_var_value_block(fid, id_lxo_file, start, nwrite, lxo_file);
+      mpp_close(fid);
+   }
+
+   return 0;
+}
+
+int 
+gs_make_vgrid(char *history, int nbnds, int n1, 
+int n2, char *gridname, char *center)
+{
+   int i, nk;
+   double bnds[MAXBOUNDS];
+   int    nz[MAXBOUNDS-1];
+   char filename[128];
+   double *zeta;
+   int c, option_index = 0;
+
+   /* check the command-line arguments to make sure the value are suitable */
+   if( nbnds < 2 ) mpp_error("number of bounds specified through -nbnd should be an integer greater than 1");
+   if( nbnds != n1 ) mpp_error("nbnds does not equal number entry specified through -bnd");
+   if( nbnds-1 != n2 ) mpp_error("nbnds-1 does not match number entry specified through -nz");
+
+   /* generate grid */
+   nk = 0;
+   for(i=0; i<nbnds-1; i++) nk += nz[i];
+   zeta = (double *)malloc((nk+1)*sizeof(double));
+   create_vgrid(nbnds, bnds, nz, zeta, center);
+
+   sprintf(filename, "%s.nc", gridname);
+  
+   /* write out vertical grid into a netcdf file */
+   {
+      int fid, dim, varid;
+    
+      fid = mpp_open(filename, MPP_WRITE);
+      dim  = mpp_def_dim(fid, "nzv", nk+1);
+      varid = mpp_def_var(fid, "zeta", NC_DOUBLE, 1, &dim, 2, "standard_name", "vertical_grid_vertex",
+      "units", "meters");
+      mpp_def_global_att(fid, "grid_version", GRID_VERSION);
+      mpp_def_global_att(fid, "code_version", TAGNAME);
+      mpp_def_global_att(fid, "history", history);    
+      mpp_end_def(fid);
+      mpp_put_var_value(fid, varid, zeta);
+  
+      mpp_close(fid);
+   }
+
+   if(mpp_pe() == mpp_root_pe()) printf("Successfully generate vertical grid file %s\n", filename);
+   return 0;
+}
+
+
+/* This file will get the directory that stores the file and the file name (without the dir path) */
+void get_file_dir_and_name(char *file, char *filedir, char *filename)
+{
+   char *fptr=NULL;
+   int siz;
+  
+   fptr = strrchr(file, '/');
+
+   if(!fptr) {
+      strcpy(filename, file);
+      strcpy(filedir, "./");
+   }
+   else {
+      ++fptr;
+      siz = fptr - file;
+      strcpy(filename, fptr);
+      strncpy(filedir, file, siz);      
+   }
+};
+
+#define D2R (M_PI/180.)
+#define MAXXGRIDFILE 100 
+#define MX 2000  
+#define AREA_RATIO_THRESH (1.e-6)
+#define TINY_VALUE (1.e-7)
+#define TOLORENCE (1.e-4)
+
+int gs_make_coupler_mosaic(char *history, char *amosaic, char *lmosaic, 
+                           char *omosaic, char *otopog, int interp_order, 
+                           double sea_level, char *mosaic_name, int check)
+{  
+   int c, i, same_mosaic;
+   char mosaic_file[STRING];
+   char omosaic_name[STRING], amosaic_name[STRING], lmosaic_name[STRING];
+   char **otile_name=NULL, **atile_name=NULL, **ltile_name=NULL;
+   int x_refine = 2, y_refine = 2;
+   int nfile_lxo=0, nfile_axo=0, nfile_axl=0;
+   char lxo_file[MAXXGRIDFILE][STRING];
+   char axo_file[MAXXGRIDFILE][STRING];
+   char axl_file[MAXXGRIDFILE][STRING];  
+   char amosaic_dir[STRING], amosaic_file[STRING];
+   char lmosaic_dir[STRING], lmosaic_file[STRING];
+   char omosaic_dir[STRING], omosaic_file[STRING];
+   char otopog_dir[STRING], otopog_file[STRING];
+   int    ntile_ocn, ntile_atm, ntile_lnd;
+   int    *nxo = NULL, *nyo = NULL, *nxa = NULL, *nya = NULL, *nxl = NULL, *nyl = NULL;
+   double **xocn = NULL, **yocn = NULL, **xatm = NULL, **yatm = NULL, **xlnd = NULL, **ylnd = NULL;
+   double **area_ocn = NULL, **area_lnd = NULL, **area_atm = NULL;
+   double **omask = NULL;
+   int    lnd_same_as_atm = 0;
+   int    option_index = 0;
+   double axo_area_sum = 0, axl_area_sum = 0;
+   int    ocn_south_ext = 0;
+
+   /*mosaic_file can not have the same name as amosaic, lmosaic or omosaic, also the file name of
+     amosaic, lmosaic, omosaic can not be "mosaic.nc"
+   */
+   sprintf(mosaic_file, "%s.nc", mosaic_name);
+   get_file_dir_and_name(amosaic, amosaic_dir, amosaic_file);
+   get_file_dir_and_name(lmosaic, lmosaic_dir, lmosaic_file);
+   get_file_dir_and_name(omosaic, omosaic_dir, omosaic_file);
+   get_file_dir_and_name(otopog, otopog_dir, otopog_file);
+   if( !strcmp(mosaic_file, amosaic_file) || !strcmp(mosaic_file, lmosaic_file) || !strcmp(mosaic_file, omosaic_file) ) 
+      mpp_error("make_coupler_mosaic: mosaic_file can not have the same name as amosaic, lmosaic or omosaic"); 
+   if( !strcmp(amosaic_file, "mosaic.nc") || !strcmp(lmosaic_file, "mosaic.nc") || !strcmp(omosaic_file, "mosaic.nc") ) 
+      mpp_error("make_coupler_mosaic: the file name of amosaic, lmosaic or omosaic can not be mosaic.nc"); 
+
+  
+   /*
+    * Read atmosphere grid
+    */
+   {
+      int n, m_fid, g_fid, vid, gid, tid;
+      size_t start[4], nread[4];
+      char dir[STRING], filename[STRING], file[2*STRING];    
+
+      for(n=0; n<4; n++) {
+	 start[n] = 0;
+	 nread[n] = 1;
+      }
+
+      m_fid = mpp_open(amosaic, MPP_READ);
+      vid = mpp_get_varid(m_fid, "mosaic");    
+      mpp_get_var_value(m_fid, vid, amosaic_name);
+      ntile_atm  = mpp_get_dimlen(m_fid, "ntiles");
+      nxa        = (int *) malloc (ntile_atm*sizeof(int));
+      nya        = (int *) malloc (ntile_atm*sizeof(int));
+      xatm       = (double **) malloc( ntile_atm*sizeof(double *));
+      yatm       = (double **) malloc( ntile_atm*sizeof(double *));
+      area_atm   = (double **) malloc( ntile_atm*sizeof(double *));
+      atile_name = (char **)malloc(ntile_atm*sizeof(char *));
+      /* grid should be located in the same directory of mosaic file */
+      get_file_path(amosaic, dir);
+      gid = mpp_get_varid(m_fid, "gridfiles");
+      tid = mpp_get_varid(m_fid, "gridtiles");
+      for(n=0; n<ntile_atm; n++) {
+	 double *tmpx, *tmpy;
+	 int i, j;
+      
+	 start[0] = n; start[1] = 0; nread[0] = 1; nread[1] = STRING;
+	 mpp_get_var_value_block(m_fid, gid, start, nread, filename);
+	 atile_name[n] = (char *)malloc(STRING*sizeof(char));
+	 mpp_get_var_value_block(m_fid, tid, start, nread,  atile_name[n]);
+	 sprintf(file, "%s/%s", dir, filename);
+	 g_fid = mpp_open(file, MPP_READ);
+	 nxa[n] = mpp_get_dimlen(g_fid, "nx");
+	 nya[n] = mpp_get_dimlen(g_fid, "ny");
+	 if(nxa[n]%x_refine != 0 ) mpp_error("make_coupler_mosaic: atmos supergrid x-size can not be divided by x_refine");
+	 if(nya[n]%y_refine != 0 ) mpp_error("make_coupler_mosaic: atmos supergrid y-size can not be divided by y_refine");
+	 nxa[n] /= x_refine;
+	 nya[n] /= y_refine;
+	 xatm[n]     = (double *)malloc((nxa[n]+1)*(nya[n]+1)*sizeof(double));
+	 yatm[n]     = (double *)malloc((nxa[n]+1)*(nya[n]+1)*sizeof(double));
+	 area_atm[n] = (double *)malloc((nxa[n]  )*(nya[n]  )*sizeof(double));
+	 tmpx        = (double *)malloc((nxa[n]*x_refine+1)*(nya[n]*y_refine+1)*sizeof(double));
+	 tmpy        = (double *)malloc((nxa[n]*x_refine+1)*(nya[n]*y_refine+1)*sizeof(double));
+	 vid = mpp_get_varid(g_fid, "x");
+	 mpp_get_var_value(g_fid, vid, tmpx);
+	 vid = mpp_get_varid(g_fid, "y");
+	 mpp_get_var_value(g_fid, vid, tmpy);      
+	 for(j = 0; j < nya[n]+1; j++) for(i = 0; i < nxa[n]+1; i++) {
+	       xatm[n][j*(nxa[n]+1)+i] = tmpx[(j*y_refine)*(nxa[n]*x_refine+1)+i*x_refine];
+	       yatm[n][j*(nxa[n]+1)+i] = tmpy[(j*y_refine)*(nxa[n]*x_refine+1)+i*x_refine];
+	    }
+	 free(tmpx);
+	 free(tmpy);      
+	 /*scale grid from degree to radian, because create_xgrid assume the grid is in radians */
+	 for(i=0; i<(nxa[n]+1)*(nya[n]+1); i++) {
+	    xatm[n][i] *= D2R;
+	    yatm[n][i] *= D2R;
+	 }
+	 get_grid_area(nxa+n, nya+n, xatm[n], yatm[n], area_atm[n]);
+	 mpp_close(g_fid);
+      }
+      mpp_close(m_fid);
+   }
+
+   /*
+    * Read land grid
+    */
+   if (strcmp(lmosaic, amosaic) ) { /* land mosaic is different from atmosphere mosaic */
+      int n, m_fid, g_fid, vid, gid, tid;
+      size_t start[4], nread[4];
+      char dir[STRING], filename[STRING], file[2*STRING];   
+
+      for(n=0; n<4; n++) {
+	 start[n] = 0;
+	 nread[n] = 1;
+      }
+      m_fid = mpp_open(lmosaic, MPP_READ);
+      vid = mpp_get_varid(m_fid, "mosaic");    
+      mpp_get_var_value(m_fid, vid, lmosaic_name);
+      ntile_lnd  = mpp_get_dimlen(m_fid, "ntiles");
+      nxl        = (int *) malloc (ntile_lnd*sizeof(int));
+      nyl        = (int *) malloc (ntile_lnd*sizeof(int));
+      xlnd       = (double **) malloc( ntile_lnd*sizeof(double *));
+      ylnd       = (double **) malloc( ntile_lnd*sizeof(double *));
+      area_lnd   = (double **) malloc( ntile_lnd*sizeof(double *));
+      ltile_name = (char **)malloc(ntile_lnd*sizeof(char *));
+      /* grid should be located in the same directory of mosaic file */
+      get_file_path(lmosaic, dir);
+      gid = mpp_get_varid(m_fid, "gridfiles");
+      tid = mpp_get_varid(m_fid, "gridtiles");    
+      for(n=0; n<ntile_lnd; n++) {
+	 double *tmpx, *tmpy;
+	 int i, j;
+      
+	 start[0] = n; start[1] = 0; nread[0] = 1; nread[1] = STRING;
+	 mpp_get_var_value_block(m_fid, gid, start, nread, filename);
+	 ltile_name[n] = (char *)malloc(STRING*sizeof(char));
+	 mpp_get_var_value_block(m_fid, tid, start, nread,  ltile_name[n]);
+	 sprintf(file, "%s/%s", dir, filename);
+	 g_fid = mpp_open(file, MPP_READ);
+	 nxl[n] = mpp_get_dimlen(g_fid, "nx");
+	 nyl[n] = mpp_get_dimlen(g_fid, "ny");
+	 if(nxl[n]%x_refine != 0 ) mpp_error("make_coupler_mosaic: land supergrid x-size can not be divided by x_refine");
+	 if(nyl[n]%y_refine != 0 ) mpp_error("make_coupler_mosaic: land supergrid y-size can not be divided by y_refine");
+	 nxl[n]      /= x_refine;
+	 nyl[n]      /= y_refine;
+	 xlnd[n]     = (double *)malloc((nxl[n]+1)*(nyl[n]+1)*sizeof(double));
+	 ylnd[n]     = (double *)malloc((nxl[n]+1)*(nyl[n]+1)*sizeof(double));
+	 area_lnd[n] = (double *)malloc((nxl[n]  )*(nyl[n]  )*sizeof(double));
+	 tmpx        = (double *)malloc((nxl[n]*x_refine+1)*(nyl[n]*y_refine+1)*sizeof(double));
+	 tmpy        = (double *)malloc((nxl[n]*x_refine+1)*(nyl[n]*y_refine+1)*sizeof(double));
+	 vid = mpp_get_varid(g_fid, "x");
+	 mpp_get_var_value(g_fid, vid, tmpx);
+	 vid = mpp_get_varid(g_fid, "y");
+	 mpp_get_var_value(g_fid, vid, tmpy);     
+	 for(j = 0; j < nyl[n]+1; j++) for(i = 0; i < nxl[n]+1; i++) {
+	       xlnd[n][j*(nxl[n]+1)+i] = tmpx[(j*y_refine)*(nxl[n]*x_refine+1)+i*x_refine];
+	       ylnd[n][j*(nxl[n]+1)+i] = tmpy[(j*y_refine)*(nxl[n]*x_refine+1)+i*x_refine];
+	    }
+	 free(tmpx);
+	 free(tmpy);
+	 /*scale grid from degree to radian, because create_xgrid assume the grid is in radians */
+	 for(i=0; i<(nxl[n]+1)*(nyl[n]+1); i++) {
+	    xlnd[n][i] *= D2R;
+	    ylnd[n][i] *= D2R;
+	 }
+	 get_grid_area(nxl+n, nyl+n, xlnd[n], ylnd[n], area_lnd[n]);
+	 mpp_close(g_fid);
+      }
+      mpp_close(m_fid);
+   }
+   else { /* land mosaic is same as atmosphere mosaic */
+      ntile_lnd = ntile_atm;
+      nxl = nxa;
+      nyl = nya;
+      xlnd = xatm;
+      ylnd = yatm;
+      area_lnd = area_atm;
+      lnd_same_as_atm = 1;
+      strcpy(lmosaic_name, amosaic_name);
+      ltile_name = atile_name;
+   }
+
+   /*
+    * Read ocean grid boundaries and mask (where water is) for each tile within the mosaic.
+    */
+   {
+      int n, ntiles, m_fid, g_fid, t_fid, vid, gid, tid;
+      size_t start[4], nread[4];
+      char dir[STRING], filename[STRING], file[2*STRING];
+    
+      for(n=0; n<4; n++) {
+	 start[n] = 0;
+	 nread[n] = 1;
+      }
+      m_fid = mpp_open(omosaic, MPP_READ);
+      vid = mpp_get_varid(m_fid, "mosaic");    
+      mpp_get_var_value(m_fid, vid, omosaic_name);
+      ntile_ocn  = mpp_get_dimlen(m_fid, "ntiles");
+      nxo      = (int     *) malloc(ntile_ocn*sizeof(int));
+      nyo      = (int     *) malloc(ntile_ocn*sizeof(int));
+      xocn     = (double **) malloc(ntile_ocn*sizeof(double *));
+      yocn     = (double **) malloc(ntile_ocn*sizeof(double *));
+      area_ocn = (double **) malloc(ntile_ocn*sizeof(double *));
+      otile_name = (char **) malloc(ntile_ocn*sizeof(char *));
+      /* grid should be located in the same directory of mosaic file */
+      get_file_path(omosaic, dir);
+      gid = mpp_get_varid(m_fid, "gridfiles");
+      tid = mpp_get_varid(m_fid, "gridtiles");    
+
+      /* For the purpose of reproducing between processor count, the layout
+	 is set to (1, npes). */
+
+      for(n=0; n<ntile_ocn; n++) {
+	 double *tmpx, *tmpy;
+	 int i, j;
+	 double min_atm_lat, min_lat;
+      
+	 start[0] = n; start[1] = 0; nread[0] = 1; nread[1] = STRING;
+	 mpp_get_var_value_block(m_fid, gid, start, nread, filename);
+	 otile_name[n] = (char *)malloc(STRING*sizeof(char));
+	 mpp_get_var_value_block(m_fid, tid, start, nread,  otile_name[n]);
+	 sprintf(file, "%s/%s", dir, filename);
+	 g_fid = mpp_open(file, MPP_READ);
+	 nxo[n] = mpp_get_dimlen(g_fid, "nx");
+	 nyo[n] = mpp_get_dimlen(g_fid, "ny");
+	 if(nxo[n]%x_refine != 0 ) mpp_error("make_coupler_mosaic: ocean supergrid x-size can not be divided by x_refine");
+	 if(nyo[n]%y_refine != 0 ) mpp_error("make_coupler_mosaic: ocean supergrid y-size can not be divided by y_refine");
+	 tmpx        = (double *)malloc((nxo[n]+1)*(nyo[n]+1)*sizeof(double));
+	 tmpy        = (double *)malloc((nxo[n]+1)*(nyo[n]+1)*sizeof(double));
+	 vid = mpp_get_varid(g_fid, "x");
+	 mpp_get_var_value(g_fid, vid, tmpx);
+	 vid = mpp_get_varid(g_fid, "y");
+	 mpp_get_var_value(g_fid, vid, tmpy);     
+   
+	 /* sometimes the ocean is only covered part of atmosphere, especially not cover
+	    the south pole region. In order to get all the exchange grid between atmosXland,
+	    we need to extend one point to cover the whole atmosphere. This need the
+	    assumption of one-tile ocean. Also we assume the latitude is the along j=0
+	 */
+	 if(ntile_ocn == 1) {
+	    int na;
+	    for(i=1; i<=nxo[n]; i++) 
+	       if(tmpy[i] != tmpy[i-1]) mpp_error("make_coupler_mosaic: latitude is not uniform along j=0");
+	    /* calculate the minimum of latitude of atmosphere grid */
+	    min_atm_lat = 9999; /* dummy large value */
+	    for(na=0; na<ntile_atm; na++) {
+	       min_lat = minval_double((nxa[na]+1)*(nya[na]+1), yatm[na]);
+	       if(min_atm_lat > min_lat) min_atm_lat = min_lat;
+	    }
+	    if(tmpy[0]*D2R > min_atm_lat + TINY_VALUE) { /* extend one point in south direction*/
+	       ocn_south_ext = 1;
+	    }
+	 }      
+	 nxo[n] /= x_refine;
+	 nyo[n] /= y_refine;
+	 nyo[n] += ocn_south_ext;
+	 xocn[n]     = (double *)malloc((nxo[n]+1)*(nyo[n]+1)*sizeof(double));
+	 yocn[n]     = (double *)malloc((nxo[n]+1)*(nyo[n]+1)*sizeof(double));
+	 area_ocn[n] = (double *)malloc((nxo[n]  )*(nyo[n]  )*sizeof(double));
+
+	 for(j = 0; j < nyo[n]+1; j++) for(i = 0; i < nxo[n]+1; i++) {
+	       xocn[n][(j+ocn_south_ext)*(nxo[n]+1)+i] = tmpx[(j*y_refine)*(nxo[n]*x_refine+1)+i*x_refine] * D2R;
+	       yocn[n][(j+ocn_south_ext)*(nxo[n]+1)+i] = tmpy[(j*y_refine)*(nxo[n]*x_refine+1)+i*x_refine] * D2R;
+	    }
+	 if(ocn_south_ext==1) {
+	    for(i=0; i<nxo[n]+1; i++) {
+	       xocn[n][i] = xocn[n][nxo[n]+1+i];
+	       yocn[n][i] = min_atm_lat;
+	    }
+	 }
+	 free(tmpx);
+	 free(tmpy);
+	 get_grid_area(nxo+n, nyo+n, xocn[n], yocn[n], area_ocn[n]);
+	 mpp_close(g_fid);
+      }
+      mpp_close(m_fid);
+    
+      /* read ocean topography */
+      t_fid = mpp_open(otopog, MPP_READ);
+      ntiles = mpp_get_dimlen(t_fid, "ntiles");
+      if(ntile_ocn != ntiles) mpp_error("make_coupler_mosaic: dimlen ntiles in mosaic file is not the same as dimlen in topog file");
+      omask = (double **)malloc(ntile_ocn*sizeof(double *));
+      for(n=0; n<ntile_ocn; n++) {
+	 char name[128];
+	 int nx, ny, i, j;
+	 double *depth;
+
+	 if(ntiles == 1)
+	    strcpy(name, "nx");
+	 else
+	    sprintf(name, "nx_tile%d", n+1);
+	 nx = mpp_get_dimlen(t_fid, name);
+	 if(ntiles == 1)
+	    strcpy(name, "ny");
+	 else
+	    sprintf(name, "ny_tile%d", n+1);
+	 ny = mpp_get_dimlen(t_fid, name);
+	 if( nx != nxo[n] || ny+ocn_south_ext != nyo[n]) mpp_error("make_coupler_mosaic: grid size mismatch between mosaic file and topog file");
+	 if(ntiles == 1)
+	    strcpy(name, "depth");
+	 else
+	    sprintf(name, "depth_tile%d", n+1);
+	 depth    = (double *)malloc(nx*ny*sizeof(double));
+	 omask[n] = (double *)malloc(nxo[n]*nyo[n]*sizeof(double));
+	 vid = mpp_get_varid(t_fid, name);
+	 mpp_get_var_value(t_fid, vid, depth);
+	 for(i=0; i<nxo[n]*nyo[n]; i++) omask[n][i] = 0;
+	 for(j=0; j<ny; j++) for(i=0; i<nx; i++) {
+	       if(depth[j*nx+i] >sea_level) omask[n][(j+ocn_south_ext)*nx+i] = 1;
+	    }
+	 free(depth);
+      }
+      mpp_close(t_fid);
+   }    
+
+  
+   /* Either omosaic is different from both lmosaic and amosaic,
+      or all the three mosaic are the same
+   */
+   if(strcmp(omosaic_name, amosaic_name)) { /* omosaic is different from amosaic */
+      if(!strcmp(omosaic_name, lmosaic_name)) mpp_error("make_coupler_mosaic: omosaic is the same as lmosaic, "
+      "but different from amosaic.");
+      same_mosaic = 0;
+   }
+   else { /* omosaic is same as amosaic */
+      if(strcmp(omosaic_name, lmosaic_name)) mpp_error("make_coupler_mosaic: omosaic is the same as amosaic, "
+      "but different from lmosaic.");
+      same_mosaic = 1;
+   }
+    
+    
+   /***************************************************************************************
+     First generate the exchange grid between atmos mosaic and land/ocean mosaic              
+   ***************************************************************************************/
+   nfile_axo = 0;
+   nfile_axl = 0;
+   nfile_lxo = 0;
+   {
+      int no, nl, na, n;
+      size_t  **naxl, **naxo;
+      int     ***atmxlnd_ia,   ***atmxlnd_ja,   ***atmxlnd_il,   ***atmxlnd_jl;
+      int     ***atmxocn_ia,   ***atmxocn_ja,   ***atmxocn_io,   ***atmxocn_jo;
+      double  ***atmxlnd_area, ***atmxlnd_dia,  ***atmxlnd_dja,  ***atmxlnd_dil,  ***atmxlnd_djl;
+      double  ***atmxocn_area, ***atmxocn_dia,  ***atmxocn_dja,  ***atmxocn_dio,  ***atmxocn_djo;
+      double  ***atmxocn_clon, ***atmxocn_clat, ***atmxlnd_clon, ***atmxlnd_clat;
+      double   min_area; 
+
+      naxl         = (size_t ** )malloc(ntile_atm*sizeof(size_t *));
+      naxo         = (size_t ** )malloc(ntile_atm*sizeof(size_t *));
+      atmxlnd_area = (double ***)malloc(ntile_atm*sizeof(double **));
+      atmxlnd_ia   = (int    ***)malloc(ntile_atm*sizeof(int    **));
+      atmxlnd_ja   = (int    ***)malloc(ntile_atm*sizeof(int    **));
+      atmxlnd_il   = (int    ***)malloc(ntile_atm*sizeof(int    **));
+      atmxlnd_jl   = (int    ***)malloc(ntile_atm*sizeof(int    **));
+      atmxocn_area = (double ***)malloc(ntile_atm*sizeof(double **));
+      atmxocn_ia   = (int    ***)malloc(ntile_atm*sizeof(int    **));
+      atmxocn_ja   = (int    ***)malloc(ntile_atm*sizeof(int    **));
+      atmxocn_io   = (int    ***)malloc(ntile_atm*sizeof(int    **));
+      atmxocn_jo   = (int    ***)malloc(ntile_atm*sizeof(int    **));
+
+      if(interp_order == 2 ) {
+	 atmxlnd_dia  = (double ***)malloc(ntile_atm*sizeof(double **));
+	 atmxlnd_dja  = (double ***)malloc(ntile_atm*sizeof(double **));
+	 atmxlnd_dil  = (double ***)malloc(ntile_atm*sizeof(double **));
+	 atmxlnd_djl  = (double ***)malloc(ntile_atm*sizeof(double **));
+	 atmxocn_dia  = (double ***)malloc(ntile_atm*sizeof(double **));
+	 atmxocn_dja  = (double ***)malloc(ntile_atm*sizeof(double **));
+	 atmxocn_dio  = (double ***)malloc(ntile_atm*sizeof(double **));
+	 atmxocn_djo  = (double ***)malloc(ntile_atm*sizeof(double **));      
+	 atmxlnd_clon = (double ***)malloc(ntile_atm*sizeof(double **));
+	 atmxlnd_clat = (double ***)malloc(ntile_atm*sizeof(double **));
+	 atmxocn_clon = (double ***)malloc(ntile_atm*sizeof(double **));
+	 atmxocn_clat = (double ***)malloc(ntile_atm*sizeof(double **));      
+      }
+    
+      for(na=0; na<ntile_atm; na++) {
+	 naxl[na]         = (size_t * )malloc(ntile_lnd*sizeof(size_t));
+	 naxo[na]         = (size_t * )malloc(ntile_ocn*sizeof(size_t));
+	 atmxlnd_area[na] = (double **)malloc(ntile_lnd*sizeof(double *));
+	 atmxlnd_ia[na]   = (int    **)malloc(ntile_lnd*sizeof(int    *));
+	 atmxlnd_ja[na]   = (int    **)malloc(ntile_lnd*sizeof(int    *));
+	 atmxlnd_il[na]   = (int    **)malloc(ntile_lnd*sizeof(int    *));
+	 atmxlnd_jl[na]   = (int    **)malloc(ntile_lnd*sizeof(int    *));
+	 atmxocn_area[na] = (double **)malloc(ntile_ocn*sizeof(double *));
+	 atmxocn_ia[na]   = (int    **)malloc(ntile_ocn*sizeof(int    *));
+	 atmxocn_ja[na]   = (int    **)malloc(ntile_ocn*sizeof(int    *));
+	 atmxocn_io[na]   = (int    **)malloc(ntile_ocn*sizeof(int    *));
+	 atmxocn_jo[na]   = (int    **)malloc(ntile_ocn*sizeof(int    *));
+    
+	 if(interp_order == 2 ) {
+	    atmxlnd_dia [na] = (double **)malloc(ntile_lnd*sizeof(double *));
+	    atmxlnd_dja [na] = (double **)malloc(ntile_lnd*sizeof(double *));
+	    atmxlnd_dil [na] = (double **)malloc(ntile_lnd*sizeof(double *));
+	    atmxlnd_djl [na] = (double **)malloc(ntile_lnd*sizeof(double *));
+	    atmxocn_dia [na] = (double **)malloc(ntile_ocn*sizeof(double *));
+	    atmxocn_dja [na] = (double **)malloc(ntile_ocn*sizeof(double *));
+	    atmxocn_dio [na] = (double **)malloc(ntile_ocn*sizeof(double *));
+	    atmxocn_djo [na] = (double **)malloc(ntile_ocn*sizeof(double *));
+	    atmxlnd_clon[na] = (double **)malloc(ntile_lnd*sizeof(double *));
+	    atmxlnd_clat[na] = (double **)malloc(ntile_lnd*sizeof(double *));
+	    atmxocn_clon[na] = (double **)malloc(ntile_ocn*sizeof(double *));
+	    atmxocn_clat[na] = (double **)malloc(ntile_ocn*sizeof(double *));      
+	 }
+
+	 for(nl=0; nl<ntile_lnd; nl++) {
+	    atmxlnd_area[na][nl] = (double *)malloc(MAXXGRID*sizeof(double));
+	    atmxlnd_ia  [na][nl] = (int    *)malloc(MAXXGRID*sizeof(int   ));
+	    atmxlnd_ja  [na][nl] = (int    *)malloc(MAXXGRID*sizeof(int   ));
+	    atmxlnd_il  [na][nl] = (int    *)malloc(MAXXGRID*sizeof(int   ));
+	    atmxlnd_jl  [na][nl] = (int    *)malloc(MAXXGRID*sizeof(int   ));
+	    if(interp_order == 2 ) {
+	       atmxlnd_clon[na][nl] = (double *)malloc(MAXXGRID*sizeof(double));
+	       atmxlnd_clat[na][nl] = (double *)malloc(MAXXGRID*sizeof(double));
+	       atmxlnd_dia [na][nl] = (double *)malloc(MAXXGRID*sizeof(double));
+	       atmxlnd_dja [na][nl] = (double *)malloc(MAXXGRID*sizeof(double));
+	       atmxlnd_dil [na][nl] = (double *)malloc(MAXXGRID*sizeof(double));
+	       atmxlnd_djl [na][nl] = (double *)malloc(MAXXGRID*sizeof(double));
+	    }
+	 }
+ 
+	 for(no=0; no<ntile_ocn; no++) {
+	    atmxocn_area[na][no] = (double *)malloc(MAXXGRID*sizeof(double));
+	    atmxocn_ia  [na][no] = (int    *)malloc(MAXXGRID*sizeof(int   ));
+	    atmxocn_ja  [na][no] = (int    *)malloc(MAXXGRID*sizeof(int   ));
+	    atmxocn_io  [na][no] = (int    *)malloc(MAXXGRID*sizeof(int   ));
+	    atmxocn_jo  [na][no] = (int    *)malloc(MAXXGRID*sizeof(int   ));          
+	    if(interp_order == 2 ) {
+	       atmxocn_clon[na][no] = (double *)malloc(MAXXGRID*sizeof(double));
+	       atmxocn_clat[na][no] = (double *)malloc(MAXXGRID*sizeof(double));
+	       atmxocn_dia [na][no] = (double *)malloc(MAXXGRID*sizeof(double));
+	       atmxocn_dja [na][no] = (double *)malloc(MAXXGRID*sizeof(double));
+	       atmxocn_dio [na][no] = (double *)malloc(MAXXGRID*sizeof(double));
+	       atmxocn_djo [na][no] = (double *)malloc(MAXXGRID*sizeof(double));
+	    }
+	 }
+      }
+      
+      for(na=0; na<ntile_atm; na++) {
+      
+	 int      l, is, ie, js, je, la, ia, ja, il, jl, io, jo, layout[2];
+	 int      n0, n1, n2, n3, na_in, nl_in, no_in, n_out, n_out2;
+	 double   xa_min, ya_min, xo_min, yo_min, xl_min, yl_min, xa_avg;
+	 double   xa_max, ya_max, xo_max, yo_max, xl_max, yl_max;
+	 double   xarea;
+	 double   xa[MV], ya[MV], xl[MV], yl[MV], xo[MV], yo[MV];
+	 double   x_out[MV], y_out[MV];
+	 double   atmxlnd_x[MX][MV], atmxlnd_y[MX][MV];
+	 int      num_v[MX];
+	 int      axl_i[MX], axl_j[MX], axl_t[MX];
+	 double   axl_xmin[MX], axl_xmax[MX], axl_ymin[MX], axl_ymax[MX];
+	 double   axl_area[MX], axl_clon[MX], axl_clat[MX];
+	 size_t   count;
+	 domain2D Dom;
+      
+	 for(nl=0; nl<ntile_lnd; nl++) naxl[na][nl] = 0;
+	 for(no=0; no<ntile_ocn; no++) naxo[na][no] = 0;
+	 layout[0] = mpp_npes();
+	 layout[1] = 1;
+        
+	 mpp_define_domain2d(nxa[na]*nya[na], 1, layout, 0, 0, &Dom);
+	 mpp_get_compute_domain2d(Dom, &is, &ie, &js, &je );
+	 for(la=is;la<=ie;la++) {
+	
+	    ia = la%nxa[na];
+	    ja = la/nxa[na];
+	    n0 = ja    *(nxa[na]+1) + ia;
+	    n1 = ja    *(nxa[na]+1) + ia+1;
+	    n2 = (ja+1)*(nxa[na]+1) + ia+1;
+	    n3 = (ja+1)*(nxa[na]+1) + ia;
+	    xa[0] = xatm[na][n0]; ya[0] = yatm[na][n0];
+	    xa[1] = xatm[na][n1]; ya[1] = yatm[na][n1];
+	    xa[2] = xatm[na][n2]; ya[2] = yatm[na][n2];
+	    xa[3] = xatm[na][n3]; ya[3] = yatm[na][n3];
+	    ya_min  = minval_double(4, ya);
+	    ya_max  = maxval_double(4, ya);
+	    na_in   = fix_lon(xa, ya, 4, M_PI);
+	    xa_min  = minval_double(na_in, xa);
+	    xa_max  = maxval_double(na_in, xa);
+	    xa_avg  = avgval_double(na_in, xa);
+	    count = 0;
+	    for(nl=0; nl<ntile_lnd; nl++) {
+	       for(jl = 0; jl < nyl[nl]; jl ++) for(il = 0; il < nxl[nl]; il++) {
+		     n0 = jl    *(nxl[nl]+1) + il;
+		     n1 = jl    *(nxl[nl]+1) + il+1;
+		     n2 = (jl+1)*(nxl[nl]+1) + il+1;
+		     n3 = (jl+1)*(nxl[nl]+1) + il;
+		     xl[0] = xlnd[nl][n0]; yl[0] = ylnd[nl][n0];
+		     xl[1] = xlnd[nl][n1]; yl[1] = ylnd[nl][n1];
+		     xl[2] = xlnd[nl][n2]; yl[2] = ylnd[nl][n2];
+		     xl[3] = xlnd[nl][n3]; yl[3] = ylnd[nl][n3];
+		     yl_min = minval_double(4, yl);
+		     yl_max = maxval_double(4, yl);
+		     if(yl_min >= ya_max || yl_max <= ya_min ) continue;	    
+		     nl_in  = fix_lon(xl, yl, 4, xa_avg);
+		     xl_min = minval_double(nl_in, xl);
+		     xl_max = maxval_double(nl_in, xl);
+		     /* xl should in the same range as xa after lon_fix, so no need to
+			consider cyclic condition
+		     */
+	      	    
+		     if(xa_min >= xl_max || xa_max <= xl_min ) continue;	
+		     if (  (n_out = clip_2dx2d( xa, ya, na_in, xl, yl, nl_in, x_out, y_out )) > 0 ) {
+			xarea = poly_area(x_out, y_out, n_out);
+			min_area = min(area_lnd[nl][jl*nxl[nl]+il], area_atm[na][la]);
+			if( xarea/min_area > AREA_RATIO_THRESH ) {
+			   /*  remember the exchange grid vertices */
+			   for(n=0; n<n_out; n++) {
+			      atmxlnd_x[count][n] = x_out[n];
+			      atmxlnd_y[count][n] = y_out[n];
+			   }
+			   axl_i[count]    = il;
+			   axl_j[count]    = jl;
+			   axl_t[count]    = nl;
+			   num_v[count]    = n_out;
+			   axl_xmin[count] = minval_double(n_out, x_out);
+			   axl_xmax[count] = maxval_double(n_out, x_out);
+			   axl_ymin[count] = minval_double(n_out, y_out);
+			   axl_ymax[count] = maxval_double(n_out, y_out);
+			   axl_area[count] = 0;
+			   if(interp_order == 2) {
+			      axl_clon[count] = 0;
+			      axl_clat[count] = 0;
+			   }
+			   ++count;
+			   if(count>MX) mpp_error("make_coupler_mosaic: count is greater than MX, increase MX");
+			}
+		     }
+		  }
+	    }
+
+	    /* calculate atmos/ocean x-cells */
+	    for(no=0; no<ntile_ocn; no++) {
+	       for(jo = 0; jo < nyo[no]; jo++) for(io = 0; io < nxo[no]; io++) {	
+		     n0 = jo    *(nxo[no]+1) + io;
+		     n1 = jo    *(nxo[no]+1) + io+1;
+		     n2 = (jo+1)*(nxo[no]+1) + io+1;
+		     n3 = (jo+1)*(nxo[no]+1) + io;
+		     xo[0] = xocn[no][n0]; yo[0] = yocn[no][n0];
+		     xo[1] = xocn[no][n1]; yo[1] = yocn[no][n1];
+		     xo[2] = xocn[no][n2]; yo[2] = yocn[no][n2];
+		     xo[3] = xocn[no][n3]; yo[3] = yocn[no][n3];
+		     yo_min = minval_double(4, yo);
+		     yo_max = maxval_double(4, yo);
+		     no_in  = fix_lon(xo, yo, 4, xa_avg);
+		     xo_min = minval_double(no_in, xo);
+		     xo_max = maxval_double(no_in, xo);
+		     if(omask[no][jo*nxo[no]+io] > 0.5) { /* over sea/ice */
+			/* xo should in the same range as xa after lon_fix, so no need to
+			   consider cyclic condition
+			*/
+			if(xa_min >= xo_max || xa_max <= xo_min || yo_min >= ya_max || yo_max <= ya_min ) continue;	    
+
+			if (  (n_out = clip_2dx2d( xa, ya, na_in, xo, yo, no_in, x_out, y_out )) > 0) {
+			   xarea = poly_area(x_out, y_out, n_out );
+			   min_area = min(area_ocn[no][jo*nxo[no]+io], area_atm[na][la]);
+			   if(xarea/min_area > AREA_RATIO_THRESH) {
+	    
+			      atmxocn_area[na][no][naxo[na][no]] = xarea;
+			      atmxocn_io[na][no][naxo[na][no]]   = io;
+			      atmxocn_jo[na][no][naxo[na][no]]   = jo;
+			      atmxocn_ia[na][no][naxo[na][no]]   = ia;
+			      atmxocn_ja[na][no][naxo[na][no]]   = ja;
+			      if(interp_order == 2) {
+				 atmxocn_clon[na][no][naxo[na][no]] = poly_ctrlon ( x_out, y_out, n_out, xa_avg);
+				 atmxocn_clat[na][no][naxo[na][no]] = poly_ctrlat ( x_out, y_out, n_out );		
+			      }
+			      ++(naxo[na][no]);
+			      if(naxo[na][no] > MAXXGRID) mpp_error("naxo is greater than MAXXGRID, increase MAXXGRID");
+			   }
+			}
+		     }
+		     else { /* over land */
+			/* find the overlap of atmxlnd and ocean cell */
+			for(l=0; l<count; l++) {
+			   if(axl_xmin[l] >= xo_max || axl_xmax[l] <= xo_min || axl_ymin[l] >= ya_max || axl_ymax[l] <= ya_min ) continue;	  
+			   if((n_out = clip_2dx2d( atmxlnd_x[l], atmxlnd_y[l], num_v[l], xo, yo, no_in, x_out, y_out )) > 0) {
+			      xarea = poly_area(x_out, y_out, n_out );
+			      min_area = min(area_lnd[axl_t[l]][axl_j[l]*nxl[axl_t[l]]+axl_i[l]], area_atm[na][la]);
+			      if(xarea/min_area > AREA_RATIO_THRESH) {
+				 axl_area[l] += xarea;
+				 if(interp_order == 2) {
+				    axl_clon[l] += poly_ctrlon ( x_out, y_out, n_out, xa_avg);
+				    axl_clat[l] += poly_ctrlat ( x_out, y_out, n_out);
+				 }
+			      }
+			   }
+			}
+		     }
+		  }
+	    }
+	    /* get the exchange grid between land and atmos. */
+	    for(l=0; l<count; l++) {
+	       nl = axl_t[l];
+	       min_area = min(area_lnd[nl][axl_j[l]*nxl[nl]+axl_i[l]], area_atm[na][la]);
+	       if(axl_area[l]/min_area > AREA_RATIO_THRESH) {
+		  atmxlnd_area[na][nl][naxl[na][nl]] = axl_area[l];
+		  atmxlnd_ia  [na][nl][naxl[na][nl]] = ia;
+		  atmxlnd_ja  [na][nl][naxl[na][nl]] = ja;
+		  atmxlnd_il  [na][nl][naxl[na][nl]] = axl_i[l];
+		  atmxlnd_jl  [na][nl][naxl[na][nl]] = axl_j[l];
+		  if(interp_order == 2) {
+		     atmxlnd_clon[na][nl][naxl[na][nl]] = axl_clon[l];
+		     atmxlnd_clat[na][nl][naxl[na][nl]] = axl_clat[l];
+		  }
+		  ++(naxl[na][nl]);
+		  if(naxl[na][nl] > MAXXGRID) mpp_error("naxl is greater than MAXXGRID, increase MAXXGRID");
+	       }
+	    }   
+	 }/* end of la loop */
+
+	 mpp_delete_domain2d(&Dom);
+      } /* end of na loop */
+
+      /* calculate the centroid of model grid, as well as land_mask and ocean_mask */
+      {
+	 double **l_area, **o_area;
+	 int    nl, no, ll, lo;
+	 l_area = (double **)malloc(ntile_lnd*sizeof(double *));
+	 o_area = (double **)malloc(ntile_ocn*sizeof(double *));
+	 for(nl =0; nl<ntile_lnd; nl++) {
+	    l_area[nl] = (double *)malloc(nxl[nl]*nyl[nl]*sizeof(double));
+	    for(ll=0; ll<nxl[nl]*nyl[nl]; ll++) {
+	       l_area[nl][ll] = 0;
+	    }
+	 }
+	 for(no =0; no<ntile_ocn; no++) {
+	    o_area[no] = (double *)malloc(nxo[no]*nyo[no]*sizeof(double));
+	    for(lo=0; lo<nxo[no]*nyo[no]; lo++) {
+	       o_area[no][lo] = 0;
+	    }
+	 }
+            
+	 if(interp_order == 1) {
+	    for(na=0; na<ntile_atm; na++) {
+	       for(nl=0; nl<ntile_lnd; nl++) {
+		  int nxgrid;
+	  
+		  nxgrid = naxl[na][nl];
+		  mpp_sum_int(1, &nxgrid);
+		  if(nxgrid > 0) {
+		     double *g_area;
+		     int    *g_il, *g_jl;
+		     int    ii;
+		     g_il = (int    *)malloc(nxgrid*sizeof(int   ));
+		     g_jl = (int    *)malloc(nxgrid*sizeof(int   ));	
+		     g_area = (double *)malloc(nxgrid*sizeof(double));
+		     mpp_gather_field_int   (naxl[na][nl], atmxlnd_il[na][nl], g_il);
+		     mpp_gather_field_int   (naxl[na][nl], atmxlnd_jl[na][nl], g_jl);
+		     mpp_gather_field_double(naxl[na][nl], atmxlnd_area[na][nl], g_area);
+		     for(i=0; i<nxgrid; i++) {
+			ii = g_jl[i]*nxl[nl]+g_il[i];
+			l_area[nl][ii] += g_area[i];
+		     }
+		     free(g_il);
+		     free(g_jl);
+		     free(g_area);
+		  }
+	       }
+
+	       for(no=0; no<ntile_ocn; no++) {
+		  int nxgrid;
+		  nxgrid = naxo[na][no];
+		  mpp_sum_int(1, &nxgrid);
+		  if(nxgrid > 0) {
+		     double *g_area;
+		     int    *g_io, *g_jo;
+		     int    ii;
+		     g_io = (int    *)malloc(nxgrid*sizeof(int   ));
+		     g_jo = (int    *)malloc(nxgrid*sizeof(int   ));	
+		     g_area = (double *)malloc(nxgrid*sizeof(double));
+		     mpp_gather_field_int   (naxo[na][no], atmxocn_io[na][no], g_io);
+		     mpp_gather_field_int   (naxo[na][no], atmxocn_jo[na][no], g_jo);
+		     mpp_gather_field_double(naxo[na][no], atmxocn_area[na][no], g_area);
+		     for(i=0; i<nxgrid; i++) {	      
+			ii = g_jo[i]*nxo[no]+g_io[i];
+			o_area[no][ii] += g_area[i];
+		     }
+		     free(g_io);
+		     free(g_jo);
+		     free(g_area);
+		  }
+	       }
+	    }
+	 }
+	 else { /* interp_order == 2 */
+	    double **l_clon, **l_clat;
+	    double **o_clon, **o_clat;
+	    double  *a_area,  *a_clon,  *a_clat;
+	    int la;
+      
+	    l_clon = (double **)malloc(ntile_lnd*sizeof(double *));
+	    l_clat = (double **)malloc(ntile_lnd*sizeof(double *));
+	    for(nl =0; nl<ntile_lnd; nl++) {
+	       l_clon[nl] = (double *)malloc(nxl[nl]*nyl[nl]*sizeof(double));
+	       l_clat[nl] = (double *)malloc(nxl[nl]*nyl[nl]*sizeof(double));
+	       for(ll=0; ll<nxl[nl]*nyl[nl]; ll++) {
+		  l_clon[nl][ll] = 0;
+		  l_clat[nl][ll] = 0;
+	       }
+	    }
+	    o_clon = (double **)malloc(ntile_ocn*sizeof(double *));
+	    o_clat = (double **)malloc(ntile_ocn*sizeof(double *));
+	    for(no =0; no<ntile_ocn; no++) {
+	       o_clon[no] = (double *)malloc(nxo[no]*nyo[no]*sizeof(double));
+	       o_clat[no] = (double *)malloc(nxo[no]*nyo[no]*sizeof(double));
+	       for(lo=0; lo<nxo[no]*nyo[no]; lo++) {
+		  o_clon[no][lo] = 0;
+		  o_clat[no][lo] = 0;
+	       }
+	    }	
+	    for(na=0; na<ntile_atm; na++) {
+	       //	double *area, *clon, *clat;
+      
+	       a_area = (double *)malloc(nxa[na]*nya[na]*sizeof(double));
+	       a_clon = (double *)malloc(nxa[na]*nya[na]*sizeof(double));
+	       a_clat = (double *)malloc(nxa[na]*nya[na]*sizeof(double));
+	       for(la=0; la<nxa[na]*nya[na]; la++) {
+		  a_area[la] = 0;
+		  a_clon[la] = 0;
+		  a_clat[la] = 0;
+	       }
+
+	       for(nl=0; nl<ntile_lnd; nl++) {
+		  int nxgrid;
+	  
+		  nxgrid = naxl[na][nl];
+		  mpp_sum_int(1, &nxgrid);
+		  if(nxgrid > 0) {
+		     double *g_area, *g_clon, *g_clat;
+		     int    *g_ia,   *g_ja,   *g_il, *g_jl;
+		     int    ii;
+		     g_ia = (int    *)malloc(nxgrid*sizeof(int   ));
+		     g_ja = (int    *)malloc(nxgrid*sizeof(int   ));
+		     g_il = (int    *)malloc(nxgrid*sizeof(int   ));
+		     g_jl = (int    *)malloc(nxgrid*sizeof(int   ));	
+		     g_area = (double *)malloc(nxgrid*sizeof(double));
+		     g_clon = (double *)malloc(nxgrid*sizeof(double));
+		     g_clat = (double *)malloc(nxgrid*sizeof(double));
+		     mpp_gather_field_int   (naxl[na][nl], atmxlnd_ia[na][nl], g_ia);
+		     mpp_gather_field_int   (naxl[na][nl], atmxlnd_ja[na][nl], g_ja);
+		     mpp_gather_field_int   (naxl[na][nl], atmxlnd_il[na][nl], g_il);
+		     mpp_gather_field_int   (naxl[na][nl], atmxlnd_jl[na][nl], g_jl);
+		     mpp_gather_field_double(naxl[na][nl], atmxlnd_area[na][nl], g_area);
+		     mpp_gather_field_double(naxl[na][nl], atmxlnd_clon[na][nl], g_clon);
+		     mpp_gather_field_double(naxl[na][nl], atmxlnd_clat[na][nl], g_clat);
+		     for(i=0; i<nxgrid; i++) {
+			ii = g_ja[i]*nxa[na]+g_ia[i];
+			a_area[ii] += g_area[i];
+			a_clon[ii] += g_clon[i];
+			a_clat[ii] += g_clat[i];
+			ii = g_jl[i]*nxl[nl]+g_il[i];
+			l_area[nl][ii] += g_area[i];
+			l_clon[nl][ii] += g_clon[i];
+			l_clat[nl][ii] += g_clat[i];
+		     }
+		     free(g_ia);
+		     free(g_ja);
+		     free(g_il);
+		     free(g_jl);
+		     free(g_area);
+		     free(g_clon);
+		     free(g_clat);
+		  }
+	       }
+
+	       for(no=0; no<ntile_ocn; no++) {
+		  int nxgrid;
+		  nxgrid = naxo[na][no];
+		  mpp_sum_int(1, &nxgrid);
+		  if(nxgrid > 0) {
+		     double *g_area, *g_clon, *g_clat;
+		     int    *g_ia,   *g_ja,   *g_io, *g_jo;
+		     int    ii;
+		     g_ia = (int    *)malloc(nxgrid*sizeof(int   ));
+		     g_ja = (int    *)malloc(nxgrid*sizeof(int   ));
+		     g_io = (int    *)malloc(nxgrid*sizeof(int   ));
+		     g_jo = (int    *)malloc(nxgrid*sizeof(int   ));	
+		     g_area = (double *)malloc(nxgrid*sizeof(double));
+		     g_clon = (double *)malloc(nxgrid*sizeof(double));
+		     g_clat = (double *)malloc(nxgrid*sizeof(double));
+		     mpp_gather_field_int   (naxo[na][no], atmxocn_ia[na][no], g_ia);
+		     mpp_gather_field_int   (naxo[na][no], atmxocn_ja[na][no], g_ja);
+		     mpp_gather_field_int   (naxo[na][no], atmxocn_io[na][no], g_io);
+		     mpp_gather_field_int   (naxo[na][no], atmxocn_jo[na][no], g_jo);
+		     mpp_gather_field_double(naxo[na][no], atmxocn_area[na][no], g_area);
+		     mpp_gather_field_double(naxo[na][no], atmxocn_clon[na][no], g_clon);
+		     mpp_gather_field_double(naxo[na][no], atmxocn_clat[na][no], g_clat);
+		     for(i=0; i<nxgrid; i++) {	      
+			ii = g_ja[i]*nxa[na]+g_ia[i];
+			a_area[ii] += g_area[i];
+			a_clon[ii] += g_clon[i];
+			a_clat[ii] += g_clat[i];
+			ii = g_jo[i]*nxo[no]+g_io[i];
+			o_area[no][ii] += g_area[i];
+			o_clon[no][ii] += g_clon[i];
+			o_clat[no][ii] += g_clat[i];
+		     }
+		     free(g_ia);
+		     free(g_ja);
+		     free(g_io);
+		     free(g_jo);
+		     free(g_area);
+		     free(g_clon);
+		     free(g_clat);
+		  }
+	       }
+
+	       for(la=0; la<nxa[na]*nya[na]; la++) {
+		  if(a_area[la] > 0) {
+		     a_clon[la] /= a_area[la];
+		     a_clat[la] /= a_area[la];
+		  }
+	       }
+	
+	       /* substract atmos centroid to get the centroid distance between atmos grid and exchange grid. */
+	       for(nl=0; nl<ntile_lnd; nl++) {
+		  for(i=0; i<naxl[na][nl]; i++) {
+		     la = atmxlnd_ja[na][nl][i]*nxa[na] + atmxlnd_ia[na][nl][i];
+		     atmxlnd_dia[na][nl][i] = atmxlnd_clon[na][nl][i]/atmxlnd_area[na][nl][i] - a_clon[la];
+		     atmxlnd_dja[na][nl][i] = atmxlnd_clat[na][nl][i]/atmxlnd_area[na][nl][i] - a_clat[la];
+		  }
+	       }
+	       for(no=0; no<ntile_ocn; no++) {
+		  for(i=0; i<naxo[na][no]; i++) {
+		     la = atmxocn_ja[na][no][i]*nxa[na] + atmxocn_ia[na][no][i];
+		     atmxocn_dia[na][no][i] = atmxocn_clon[na][no][i]/atmxocn_area[na][no][i] - a_clon[la];
+		     atmxocn_dja[na][no][i] = atmxocn_clat[na][no][i]/atmxocn_area[na][no][i] - a_clat[la];
+		  }
+	       }
+	
+	       free(a_area);
+	       free(a_clon);
+	       free(a_clat);
+	    }
+
+      
+	    /* centroid distance from exchange grid to land grid */
+	    for(nl=0; nl<ntile_lnd; nl++) {
+	       for(ll=0; ll<nxl[nl]*nyl[nl]; ll++) {
+		  if(l_area[nl][ll] > 0) {
+		     l_clon[nl][ll] /= l_area[nl][ll];
+		     l_clat[nl][ll] /= l_area[nl][ll];
+		  }
+	       }
+	       for(na=0; na<ntile_atm; na++) {
+		  for(i=0; i<naxl[na][nl]; i++) {
+		     ll = atmxlnd_jl[na][nl][i]*nxl[nl] + atmxlnd_il[na][nl][i];
+		     atmxlnd_dil[na][nl][i] = atmxlnd_clon[na][nl][i]/atmxlnd_area[na][nl][i] - l_clon[nl][ll];
+		     atmxlnd_djl[na][nl][i] = atmxlnd_clat[na][nl][i]/atmxlnd_area[na][nl][i] - l_clat[nl][ll];
+		  }
+	       }
+	       free(l_clon[nl]);
+	       free(l_clat[nl]);
+	    }
+
+	    /* centroid distance from exchange grid to ocean grid */
+	    for(no=0; no<ntile_ocn; no++) {
+	       for(lo=0; lo<nxo[no]*nyo[no]; lo++) {
+		  if(o_area[no][lo] > 0) {
+		     o_clon[no][lo] /= o_area[no][lo];
+		     o_clat[no][lo] /= o_area[no][lo];
+		  }
+	       }
+	       for(na=0; na<ntile_atm; na++) {
+		  for(i=0; i<naxo[na][no]; i++) {
+		     lo = atmxocn_jo[na][no][i]*nxo[no] + atmxocn_io[na][no][i];
+		     atmxocn_dio[na][no][i] = atmxocn_clon[na][no][i]/atmxocn_area[na][no][i] - o_clon[no][lo];
+		     atmxocn_djo[na][no][i] = atmxocn_clat[na][no][i]/atmxocn_area[na][no][i] - o_clat[no][lo];
+		  }
+	       }
+	       free(o_clon[no]);
+	       free(o_clat[no]);
+	    }
+	    free(o_clon);
+	    free(o_clat);
+	    free(l_clon);
+	    free(l_clat);  
+	 }
+
+	 /* calculate ocean_frac and compare ocean_frac with omask */
+	 /* also write out ocn_frac */
+	 {
+	    int    io, jo;
+	    double ocn_frac;
+	    int    id_mask, fid, dims[2];
+	    char ocn_mask_file[STRING];
+	    double *mask;
+	    int ny;
+
+
+	    for(no=0; no<ntile_ocn; no++) {
+	       ny = nyo[no]-ocn_south_ext;
+	       mask = (double *)malloc(nxo[no]*ny*sizeof(double));
+	       for(jo=0; jo<ny; jo++) for(io=0; io<nxo[no]; io++) {
+		     i = (jo+ocn_south_ext)*nxo[no]+io;
+		     ocn_frac = o_area[no][i]/area_ocn[no][i];
+		     if( fabs(omask[no][i] - ocn_frac) > TOLORENCE ) {
+			printf("at ocean point (%d,%d), omask = %f, ocn_frac = %f, diff = %f\n",
+			io, jo, omask[no][i], ocn_frac, omask[no][i] - ocn_frac);
+			mpp_error("make_coupler_mosaic: omask is not equal ocn_frac");
+		     }
+		     mask[jo*nxo[no]+io] = ocn_frac;
+		  }
+	       if(ntile_ocn > 1)
+		  sprintf(ocn_mask_file, "ocean_mask_tile%d.nc", no+1);
+	       else
+		  strcpy(ocn_mask_file, "ocean_mask.nc");
+	       fid = mpp_open(ocn_mask_file, MPP_WRITE);
+	       mpp_def_global_att(fid, "grid_version", GRID_VERSION);
+	       mpp_def_global_att(fid, "code_version", TAGNAME);
+	       mpp_def_global_att(fid, "history", history);
+          	  
+
+	       dims[1] = mpp_def_dim(fid, "nx", nxo[no]); 
+	       dims[0] = mpp_def_dim(fid, "ny", ny);
+	       id_mask = mpp_def_var(fid, "mask", MPP_DOUBLE, 2, dims,  2, "standard_name",
+	       "ocean fraction at T-cell centers", "units", "none");
+	       mpp_end_def(fid);
+	       mpp_put_var_value(fid, id_mask, mask);
+	       mpp_close(fid);
+	       free(mask);
+	    }
+	 }
+
+	 /* calculate land_frac and  write out land_frac */
+	 {
+	    int    il, jl;
+	    int    id_mask, fid, dims[2];
+	    char lnd_mask_file[STRING];
+	    double *mask;
+	
+	    for(nl=0; nl<ntile_lnd; nl++) {
+	       mask = (double *)malloc(nxl[nl]*nyl[nl]*sizeof(double));
+	       for(jl=0; jl<nyl[nl]; jl++) for(il=0; il<nxl[nl]; il++) {
+		     i = jl*nxl[nl]+il;
+		     mask[i] = l_area[nl][i]/area_lnd[nl][i];
+		  }
+	       if(ntile_lnd > 1)
+		  sprintf(lnd_mask_file, "land_mask_tile%d.nc", nl+1);
+	       else
+		  strcpy(lnd_mask_file, "land_mask.nc");
+	       fid = mpp_open(lnd_mask_file, MPP_WRITE);
+	       mpp_def_global_att(fid, "grid_version", GRID_VERSION);
+	       mpp_def_global_att(fid, "code_version", TAGNAME);
+	       mpp_def_global_att(fid, "history", history);
+	       dims[1] = mpp_def_dim(fid, "nx", nxl[nl]); 
+	       dims[0] = mpp_def_dim(fid, "ny", nyl[nl]);
+	       id_mask = mpp_def_var(fid, "mask", MPP_DOUBLE, 2, dims,  2, "standard_name",
+	       "land fraction at T-cell centers", "units", "none");
+	       mpp_end_def(fid);
+	       mpp_put_var_value(fid, id_mask, mask);
+	       free(mask);
+	       mpp_close(fid);
+	    }
+	 }        
+      
+	 for(nl=0; nl<ntile_lnd; nl++) free(l_area[nl]);
+	 for(no=0; no<ntile_ocn; no++) free(o_area[no]);      
+	 free(o_area);
+	 free(l_area);
+      }
+    
+  
+      for(na=0; na<ntile_atm; na++) {
+	 /* write out atmXlnd data*/
+	 for(nl = 0; nl < ntile_lnd; nl++) {
+	    int nxgrid;
+	    nxgrid = naxl[na][nl];
+	    mpp_sum_int(1, &nxgrid);
+	    if(nxgrid>0) {
+	       size_t start[4], nwrite[4];
+	       int *gdata_int;
+	       double *gdata_dbl;
+	  
+	       int fid, dim_string, dim_ncells, dim_two, dims[4];
+	       int id_xgrid_area, id_contact, n;
+	       int id_tile1_cell, id_tile2_cell, id_tile1_dist, id_tile2_dist;
+	       char contact[STRING];
+
+	       for(i=0; i<4; i++) {
+		  start[i] = 0; nwrite[i] = 1;
+	       }	  	  
+	       if(same_mosaic)
+		  sprintf(axl_file[nfile_axl], "atm_%s_%sXlnd_%s_%s.nc", amosaic_name, atile_name[na], lmosaic_name, ltile_name[nl]);
+	       else
+		  sprintf(axl_file[nfile_axl], "%s_%sX%s_%s.nc", amosaic_name, atile_name[na], lmosaic_name, ltile_name[nl]);
+	       sprintf(contact, "%s:%s::%s:%s", amosaic_name, atile_name[na], lmosaic_name, ltile_name[nl]);
+	       fid = mpp_open(axl_file[nfile_axl], MPP_WRITE);
+	       mpp_def_global_att(fid, "grid_version", GRID_VERSION);
+	       mpp_def_global_att(fid, "code_version", TAGNAME);
+	       mpp_def_global_att(fid, "history", history);
+	       dim_string = mpp_def_dim(fid, "string", STRING);
+	       dim_ncells = mpp_def_dim(fid, "ncells", nxgrid);
+	       dim_two    = mpp_def_dim(fid, "two", 2);
+	       if(interp_order == 2) {
+		  id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 7, "standard_name", "grid_contact_spec",
+		  "contact_type", "exchange", "parent1_cell",
+		  "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area", 
+		  "distant_to_parent1_centroid", "tile1_distance", "distant_to_parent2_centroid", "tile2_distance");
+	       }
+	       else {
+		  id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 5, "standard_name", "grid_contact_spec",
+		  "contact_type", "exchange", "parent1_cell",
+		  "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area");
+	       }
+	    
+	       dims[0] = dim_ncells; dims[1] = dim_two;
+	       id_tile1_cell = mpp_def_var(fid, "tile1_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic1");
+	       id_tile2_cell = mpp_def_var(fid, "tile2_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic2");
+	       id_xgrid_area = mpp_def_var(fid, "xgrid_area", MPP_DOUBLE, 1, &dim_ncells, 2, "standard_name",
+	       "exchange_grid_area", "units", "m2");
+	       if(interp_order == 2) {
+		  id_tile1_dist = mpp_def_var(fid, "tile1_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent1_cell_centroid");
+		  id_tile2_dist = mpp_def_var(fid, "tile2_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent2_cell_centroid");
+	       }
+	       mpp_end_def(fid);
+
+	       /* the index will start from 1, instead of 0 ( fortran index) */
+	       for(i = 0;i < naxl[na][nl]; i++) {
+		  ++(atmxlnd_ia[na][nl][i]);
+		  ++(atmxlnd_ja[na][nl][i]);
+		  ++(atmxlnd_il[na][nl][i]);
+		  ++(atmxlnd_jl[na][nl][i]);
+	       }
+	       nwrite[0] = strlen(contact);
+	       mpp_put_var_value_block(fid, id_contact, start, nwrite, contact);
+	       nwrite[0] = nxgrid;
+
+	       gdata_int = (int *)malloc(nxgrid*sizeof(int));
+	       gdata_dbl = (double *)malloc(nxgrid*sizeof(double));
+
+	       mpp_gather_field_double(naxl[na][nl], atmxlnd_area[na][nl], gdata_dbl);
+	       if(check) {
+		  for(n=0; n<nxgrid; n++) axl_area_sum += gdata_dbl[n];
+	       }
+	       mpp_put_var_value(fid, id_xgrid_area, gdata_dbl);
+	       mpp_gather_field_int(naxl[na][nl], atmxlnd_ia[na][nl], gdata_int);
+	       mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, gdata_int);
+	       mpp_gather_field_int(naxl[na][nl], atmxlnd_il[na][nl], gdata_int);
+	       mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, gdata_int);
+	       start[1] = 1;
+	       mpp_gather_field_int(naxl[na][nl], atmxlnd_ja[na][nl], gdata_int);
+	       mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, gdata_int);
+	       mpp_gather_field_int(naxl[na][nl], atmxlnd_jl[na][nl], gdata_int);
+	       mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, gdata_int);
+	       if(interp_order == 2) {
+		  start[1] = 0;
+		  mpp_gather_field_double(naxl[na][nl], atmxlnd_dia[na][nl], gdata_dbl);
+		  mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, gdata_dbl);
+		  mpp_gather_field_double(naxl[na][nl], atmxlnd_dil[na][nl], gdata_dbl);
+		  mpp_put_var_value_block(fid, id_tile2_dist, start, nwrite, gdata_dbl);
+		  start[1] = 1;
+		  mpp_gather_field_double(naxl[na][nl], atmxlnd_dja[na][nl], gdata_dbl);
+		  mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, gdata_dbl);
+		  mpp_gather_field_double(naxl[na][nl], atmxlnd_djl[na][nl], gdata_dbl);
+		  mpp_put_var_value_block(fid, id_tile2_dist, start, nwrite, gdata_dbl);
+	       }
+	       mpp_close(fid);
+	       free(gdata_int);
+	       free(gdata_dbl);
+	       ++nfile_axl;
+	    }
+	 } /* end of nl loop */
+
+	 /* write out atmXocn data */
+	 for(no = 0; no < ntile_ocn; no++) {
+	    int nxgrid;
+	
+	    nxgrid = naxo[na][no];
+	    mpp_sum_int(1, &nxgrid);
+	    if(nxgrid>0) {
+	       size_t start[4], nwrite[4];
+	       int *gdata_int;
+	       double *gdata_dbl;
+	       int fid, dim_string, dim_ncells, dim_two, dims[4];
+	       int id_xgrid_area, id_contact, n;
+	       int id_tile1_cell, id_tile2_cell, id_tile1_dist, id_tile2_dist;	  
+	       char contact[STRING];
+
+	       for(i=0; i<4; i++) {
+		  start[i] = 0; nwrite[i] = 1;
+	       }
+	  
+	       if(same_mosaic)
+		  sprintf(axo_file[nfile_axo], "atm_%s_%sXocn_%s_%s.nc", amosaic_name, atile_name[na], omosaic_name, otile_name[no]);
+	       else
+		  sprintf(axo_file[nfile_axo], "%s_%sX%s_%s.nc", amosaic_name, atile_name[na], omosaic_name, otile_name[no]);
+	  
+	       sprintf(contact, "%s:%s::%s:%s", amosaic_name, atile_name[na], omosaic_name, otile_name[no]);
+	       fid = mpp_open(axo_file[nfile_axo], MPP_WRITE);
+	       mpp_def_global_att(fid, "grid_version", GRID_VERSION);
+	       mpp_def_global_att(fid, "code_version", TAGNAME);
+	       mpp_def_global_att(fid, "history", history);
+	       dim_string = mpp_def_dim(fid, "string", STRING);
+	       dim_ncells = mpp_def_dim(fid, "ncells", nxgrid);
+	       dim_two    = mpp_def_dim(fid, "two", 2);
+	       if(interp_order == 2) {
+		  id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 7, "standard_name", "grid_contact_spec",
+		  "contact_type", "exchange", "parent1_cell",
+		  "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area", 
+		  "distant_to_parent1_centroid", "tile1_distance", "distant_to_parent2_centroid", "tile2_distance");
+	       }
+	       else {
+		  id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 5, "standard_name", "grid_contact_spec",
+		  "contact_type", "exchange", "parent1_cell",
+		  "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area" );
+	       }
+	       dims[0] = dim_ncells; dims[1] = dim_two;
+	       id_tile1_cell = mpp_def_var(fid, "tile1_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic1");
+	       id_tile2_cell = mpp_def_var(fid, "tile2_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic2");
+	       id_xgrid_area = mpp_def_var(fid, "xgrid_area", MPP_DOUBLE, 1, &dim_ncells, 2, "standard_name",
+	       "exchange_grid_area", "units", "m2");
+	       if(interp_order == 2) {
+		  id_tile1_dist = mpp_def_var(fid, "tile1_distance", MPP_DOUBLE, 2, dims, 1, "standard_name",
+		  "distance_from_parent1_cell_centroid");
+		  id_tile2_dist = mpp_def_var(fid, "tile2_distance", MPP_DOUBLE, 2, dims, 1, "standard_name",
+		  "distance_from_parent2_cell_centroid");
+	       }
+	       mpp_end_def(fid);
+
+	       /* the index will start from 1, instead of 0 ( fortran index) */
+	       for(i = 0;i < naxo[na][no]; i++) {
+		  ++(atmxocn_ia[na][no][i]);
+		  ++(atmxocn_ja[na][no][i]);
+		  ++(atmxocn_io[na][no][i]);
+		  atmxocn_jo[na][no][i] += 1-ocn_south_ext; /* possible one artificial j-level is added at south end */
+	       }
+
+	       nwrite[0] = strlen(contact);
+	       mpp_put_var_value_block(fid, id_contact, start, nwrite, contact);
+	
+	       nwrite[0] = nxgrid;
+
+	       gdata_int = (int *)malloc(nxgrid*sizeof(int));
+	       gdata_dbl = (double *)malloc(nxgrid*sizeof(double));
+
+	       mpp_gather_field_double(naxo[na][no], atmxocn_area[na][no], gdata_dbl);
+	       if(check) {
+		  for(n=0; n<nxgrid; n++) axo_area_sum += gdata_dbl[n];
+	       }
+	       mpp_put_var_value_block(fid, id_xgrid_area, start, nwrite, gdata_dbl);
+	       mpp_gather_field_int(naxo[na][no], atmxocn_ia[na][no], gdata_int);
+	       mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, gdata_int);
+	       mpp_gather_field_int(naxo[na][no], atmxocn_io[na][no], gdata_int);
+	       mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, gdata_int);
+	       start[1] = 1;
+	       mpp_gather_field_int(naxo[na][no], atmxocn_ja[na][no], gdata_int);
+	       mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, gdata_int);
+	       mpp_gather_field_int(naxo[na][no], atmxocn_jo[na][no], gdata_int);
+	       mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, gdata_int);
+	       if(interp_order == 2) {
+		  start[1] = 0;
+		  mpp_gather_field_double(naxo[na][no], atmxocn_dia[na][no], gdata_dbl);
+		  mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, gdata_dbl);
+		  mpp_gather_field_double(naxo[na][no], atmxocn_dio[na][no], gdata_dbl);
+		  mpp_put_var_value_block(fid, id_tile2_dist, start, nwrite, gdata_dbl);
+		  start[1] = 1;
+		  mpp_gather_field_double(naxo[na][no], atmxocn_dja[na][no], gdata_dbl);
+		  mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, gdata_dbl);
+		  mpp_gather_field_double(naxo[na][no], atmxocn_djo[na][no], gdata_dbl);
+		  mpp_put_var_value_block(fid, id_tile2_dist, start, nwrite, gdata_dbl);
+	       }
+	       mpp_close(fid);
+	       free(gdata_int);
+	       free(gdata_dbl);
+	       ++nfile_axo;
+	    }
+	 } /* end of no loop */
+      
+      } /* end of na loop */
+
+      /*release the memory */
+      for(na=0; na<ntile_atm; na++) {
+	 for(nl=0; nl<ntile_lnd; nl++) {
+	    free(atmxlnd_area[na][nl]);
+	    free(atmxlnd_ia  [na][nl]);
+	    free(atmxlnd_ja  [na][nl]);
+	    free(atmxlnd_il  [na][nl]);
+	    free(atmxlnd_jl  [na][nl]);
+	    if(interp_order == 2) {
+	       free(atmxlnd_clon[na][nl]);
+	       free(atmxlnd_clat[na][nl]);
+	       free(atmxlnd_dia [na][nl]);
+	       free(atmxlnd_dja [na][nl]);
+	       free(atmxlnd_dil [na][nl]);
+	       free(atmxlnd_djl [na][nl]);
+	    }
+	 }
+	 free(atmxlnd_area[na]);
+	 free(atmxlnd_ia  [na]);
+	 free(atmxlnd_ja  [na]);
+	 free(atmxlnd_il  [na]);
+	 free(atmxlnd_jl  [na]);
+	 if(interp_order == 2) {
+	    free(atmxlnd_clon[na]);
+	    free(atmxlnd_clat[na]);
+	    free(atmxlnd_dia [na]);
+	    free(atmxlnd_dja [na]);
+	    free(atmxlnd_dil [na]);
+	    free(atmxlnd_djl [na]);
+	 }
+	 for(no=0; no<ntile_ocn; no++) {
+	    free(atmxocn_area[na][no]);
+	    free(atmxocn_ia  [na][no]);
+	    free(atmxocn_ja  [na][no]);
+	    free(atmxocn_io  [na][no]);
+	    free(atmxocn_jo  [na][no]);
+	    if(interp_order == 2) {
+	       free(atmxocn_clon[na][no]);
+	       free(atmxocn_clat[na][no]);
+	       free(atmxocn_dia [na][no]);
+	       free(atmxocn_dja [na][no]);
+	       free(atmxocn_dio [na][no]);
+	       free(atmxocn_djo [na][no]);
+	    }
+	 }
+	 free(atmxocn_area[na]);
+	 free(atmxocn_ia  [na]);
+	 free(atmxocn_ja  [na]);
+	 free(atmxocn_io  [na]);
+	 free(atmxocn_jo  [na]);
+	 if(interp_order == 2) {
+	    free(atmxocn_clon[na]);
+	    free(atmxocn_clat[na]);
+	    free(atmxocn_dia [na]);
+	    free(atmxocn_dja [na]);
+	    free(atmxocn_dio [na]);
+	    free(atmxocn_djo [na]);
+	 }
+	 free(naxl[na]);
+	 free(naxo[na]);
+      }    
+      free(atmxlnd_area);
+      free(atmxlnd_ia  );
+      free(atmxlnd_ja  );
+      free(atmxlnd_il  );
+      free(atmxlnd_jl  );
+      free(atmxocn_area);
+      free(atmxocn_ia  );
+      free(atmxocn_ja  );
+      free(atmxocn_io  );
+      free(atmxocn_jo  );   
+      if(interp_order == 2) {
+	 free(atmxlnd_clon);
+	 free(atmxlnd_clat);
+	 free(atmxlnd_dja );
+	 free(atmxlnd_dia );
+	 free(atmxlnd_dil );
+	 free(atmxlnd_djl );
+	 free(atmxocn_clon);
+	 free(atmxocn_clat);
+	 free(atmxocn_dia );
+	 free(atmxocn_dja );
+	 free(atmxocn_dio );
+	 free(atmxocn_djo );
+      }
+      free(naxl);
+      free(naxo);
+   }
+   if(mpp_pe() == mpp_root_pe()) printf("\nNOTE from make_coupler_mosaic: Complete the process to create exchange grids "
+   "for fluxes between atmosphere and surface (sea ice and land)\n" );
+  
+   /***************************************************************************************
+     Then generate the exchange grid between land mosaic and ocean mosaic
+     if land mosaic is different from atmos mosaic
+   ***************************************************************************************/
+   nfile_lxo = 0;
+   if( !lnd_same_as_atm ) {
+      int     no, nl, ll, lo;
+      size_t  **nlxo;
+      int     ***lndxocn_il, ***lndxocn_jl, ***lndxocn_io, ***lndxocn_jo;
+      double  ***lndxocn_area, ***lndxocn_dil, ***lndxocn_djl, ***lndxocn_dio, ***lndxocn_djo;
+      double  ***lndxocn_clon, ***lndxocn_clat;
+      double  min_area;
+
+      nlxo         = (size_t ** )malloc(ntile_lnd*sizeof(size_t * ));
+      lndxocn_area = (double ***)malloc(ntile_lnd*sizeof(double **));
+      lndxocn_il   = (int    ***)malloc(ntile_lnd*sizeof(int    **));
+      lndxocn_jl   = (int    ***)malloc(ntile_lnd*sizeof(int    **));
+      lndxocn_io   = (int    ***)malloc(ntile_lnd*sizeof(int    **));
+      lndxocn_jo   = (int    ***)malloc(ntile_lnd*sizeof(int    **));
+      if(interp_order == 2) {
+	 lndxocn_dil  = (double ***)malloc(ntile_lnd*sizeof(double **));
+	 lndxocn_djl  = (double ***)malloc(ntile_lnd*sizeof(double **));
+	 lndxocn_dio  = (double ***)malloc(ntile_lnd*sizeof(double **));
+	 lndxocn_djo  = (double ***)malloc(ntile_lnd*sizeof(double **));
+	 lndxocn_clon = (double ***)malloc(ntile_lnd*sizeof(double **));
+	 lndxocn_clat = (double ***)malloc(ntile_lnd*sizeof(double **));
+      }
+      for(nl=0; nl<ntile_lnd; nl++) {
+	 nlxo        [nl] = (size_t * )malloc(ntile_ocn*sizeof(size_t  ));
+	 lndxocn_area[nl] = (double **)malloc(ntile_ocn*sizeof(double *));
+	 lndxocn_il  [nl] = (int    **)malloc(ntile_ocn*sizeof(int    *));
+	 lndxocn_jl  [nl] = (int    **)malloc(ntile_ocn*sizeof(int    *));
+	 lndxocn_io  [nl] = (int    **)malloc(ntile_ocn*sizeof(int    *));
+	 lndxocn_jo  [nl] = (int    **)malloc(ntile_ocn*sizeof(int    *));
+	 if(interp_order == 2) {
+	    lndxocn_dil [nl] = (double **)malloc(ntile_ocn*sizeof(double *));
+	    lndxocn_djl [nl] = (double **)malloc(ntile_ocn*sizeof(double *));
+	    lndxocn_dio [nl] = (double **)malloc(ntile_ocn*sizeof(double *));
+	    lndxocn_djo [nl] = (double **)malloc(ntile_ocn*sizeof(double *));
+	    lndxocn_clon[nl] = (double **)malloc(ntile_ocn*sizeof(double *));
+	    lndxocn_clat[nl] = (double **)malloc(ntile_ocn*sizeof(double *));
+	 }
+	 for(no=0; no<ntile_ocn; no++) {
+	    lndxocn_area[nl][no] = (double *)malloc(MAXXGRID*sizeof(double));
+	    lndxocn_il  [nl][no] = (int    *)malloc(MAXXGRID*sizeof(int   ));
+	    lndxocn_jl  [nl][no] = (int    *)malloc(MAXXGRID*sizeof(int   ));
+	    lndxocn_io  [nl][no] = (int    *)malloc(MAXXGRID*sizeof(int   ));
+	    lndxocn_jo  [nl][no] = (int    *)malloc(MAXXGRID*sizeof(int   ));          
+	    if(interp_order == 2 ) {  
+	       lndxocn_dil[nl][no]  = (double *)malloc(MAXXGRID*sizeof(double));
+	       lndxocn_djl[nl][no]  = (double *)malloc(MAXXGRID*sizeof(double));
+	       lndxocn_dio[nl][no]  = (double *)malloc(MAXXGRID*sizeof(double));
+	       lndxocn_djo[nl][no]  = (double *)malloc(MAXXGRID*sizeof(double));
+	       lndxocn_clon[nl][no] = (double *)malloc(MAXXGRID*sizeof(double *));
+	       lndxocn_clat[nl][no] = (double *)malloc(MAXXGRID*sizeof(double *));
+	    }
+	 }
+      }
+ 
+      for(nl=0; nl<ntile_lnd; nl++) {
+	 int      il, jl, io, jo, is, ie, js, je, layout[2];
+	 int      n0, n1, n2, n3, nl_in, no_in, n_out, nxgrid;
+	 double   xarea, xctrlon, xctrlat;
+	 double   xl_min, yl_min, xo_min, yo_min, xl_avg;
+	 double   xl_max, yl_max, xo_max, yo_max;
+	 double   xl[MV], yl[MV], xo[MV], yo[MV], x_out[MV], y_out[MV];
+	 domain2D Dom;
+
+	 for(no=0; no<ntile_ocn; no++) nlxo[nl][no] = 0;
+      
+	 layout[0] = mpp_npes();
+	 layout[1] = 1;
+        
+	 mpp_define_domain2d(nxl[nl]*nyl[nl], 1, layout, 0, 0, &Dom);
+	 mpp_get_compute_domain2d(Dom, &is, &ie, &js, &je );
+	 for(ll=is;ll<=ie;ll++) {
+	    il = ll%nxl[nl];
+	    jl = ll/nxl[nl];
+	    n0 = jl    *(nxl[nl]+1) + il;
+	    n1 = jl    *(nxl[nl]+1) + il+1;
+	    n2 = (jl+1)*(nxl[nl]+1) + il+1;
+	    n3 = (jl+1)*(nxl[nl]+1) + il;
+	    xl[0] = xlnd[nl][n0]; yl[0] = ylnd[nl][n0];
+	    xl[1] = xlnd[nl][n1]; yl[1] = ylnd[nl][n1];
+	    xl[2] = xlnd[nl][n2]; yl[2] = ylnd[nl][n2];
+	    xl[3] = xlnd[nl][n3]; yl[3] = ylnd[nl][n3];
+	    yl_min  = minval_double(4, yl);
+	    yl_max  = maxval_double(4, yl);
+	    nl_in   = fix_lon(xl, yl, 4, M_PI);
+	    xl_min  = minval_double(nl_in, xl);
+	    xl_max  = maxval_double(nl_in, xl);
+	    xl_avg  = avgval_double(nl_in, xl);      
+	    for(no=0; no<ntile_ocn; no++) {
+	       for(jo = 0; jo < nyo[no]; jo++) for(io = 0; io < nxo[no]; io++) if(omask[no][jo*nxo[no]+io] > 0.5) {	
+			n0 = jo    *(nxo[no]+1) + io;
+			n1 = jo    *(nxo[no]+1) + io+1;
+			n2 = (jo+1)*(nxo[no]+1) + io+1;
+			n3 = (jo+1)*(nxo[no]+1) + io;
+			xo[0] = xocn[no][n0]; yo[0] = yocn[no][n0];
+			xo[1] = xocn[no][n1]; yo[1] = yocn[no][n1];
+			xo[2] = xocn[no][n2]; yo[2] = yocn[no][n2];
+			xo[3] = xocn[no][n3]; yo[3] = yocn[no][n3];
+			yo_min = minval_double(4, yo);
+			yo_max = maxval_double(4, yo);
+			if(yo_min >= yl_max || yo_max <= yl_min ) continue;	    
+			no_in  = fix_lon(xo, yo, 4, xl_avg);
+			xo_min = minval_double(no_in, xo);
+			xo_max = maxval_double(no_in, xo);
+			/* xo should in the same range as xa after lon_fix, so no need to
+			   consider cyclic condition
+			*/
+			if(xl_min >= xo_max || xl_max <= xo_min ) continue;
+			if (  (n_out = clip_2dx2d( xl, yl, nl_in, xo, yo, no_in, x_out, y_out )) > 0 ){
+			   xarea = poly_area(x_out, y_out, n_out );
+			   min_area = min(area_ocn[no][jo*nxo[no]+io], area_lnd[nl][ll] );
+			   if(xarea/min_area > AREA_RATIO_THRESH ) {
+			      lndxocn_area[nl][no][nlxo[nl][no]] = xarea;
+			      lndxocn_io[nl][no][nlxo[nl][no]]   = io;
+			      lndxocn_jo[nl][no][nlxo[nl][no]]   = jo;
+			      lndxocn_il[nl][no][nlxo[nl][no]]   = il;
+			      lndxocn_jl[nl][no][nlxo[nl][no]]   = jl;
+			      if(interp_order == 2) {
+				 lndxocn_clon[nl][no][nlxo[nl][no]] = poly_ctrlon ( x_out, y_out, n_out, xl_avg);
+				 lndxocn_clat[nl][no][nlxo[nl][no]] = poly_ctrlat ( x_out, y_out, n_out );
+			      }
+			      ++(nlxo[nl][no]);
+			      if(nlxo[nl][no] > MAXXGRID) mpp_error("nlxo is greater than MAXXGRID, increase MAXXGRID");
+			   }
+			}
+		     } /* end of io, jo loop */
+	    } 
+	 } /* end of ll( or il, jl) loop */
+	 mpp_delete_domain2d(&Dom);
+      }/* for(nl=0; nl<ntile_lnd; nl++) */
+
+      /* calculate the centroid of model grid. */
+      if(interp_order == 2) {
+	 double *l_area, *l_clon, *l_clat;
+	 double **o_area, **o_clon, **o_clat;
+ 
+	 o_area = (double **)malloc(ntile_ocn*sizeof(double *));
+	 o_clon = (double **)malloc(ntile_ocn*sizeof(double *));
+	 o_clat = (double **)malloc(ntile_ocn*sizeof(double *));
+	 for(no =0; no<ntile_ocn; no++) {
+	    o_area[no] = (double *)malloc(nxo[no]*nyo[no]*sizeof(double));
+	    o_clon[no] = (double *)malloc(nxo[no]*nyo[no]*sizeof(double));
+	    o_clat[no] = (double *)malloc(nxo[no]*nyo[no]*sizeof(double));
+	    for(lo=0; lo<nxo[no]*nyo[no]; lo++) {
+	       o_area[no][lo] = 0;
+	       o_clon[no][lo] = 0;
+	       o_clat[no][lo] = 0;
+	    }
+	 }
+
+	 for(nl=0; nl<ntile_lnd; nl++) {
+	    l_area = (double *)malloc(nxl[nl]*nyl[nl]*sizeof(double));
+	    l_clon = (double *)malloc(nxl[nl]*nyl[nl]*sizeof(double));
+	    l_clat = (double *)malloc(nxl[nl]*nyl[nl]*sizeof(double));
+	    for(ll=0; ll<nxl[nl]*nyl[nl]; ll++) {
+	       l_area[ll] = 0;
+	       l_clon[ll] = 0;
+	       l_clat[ll] = 0;
+	    }
+
+	    for(no=0; no<ntile_ocn; no++) {
+	       int nxgrid;
+	       nxgrid = nlxo[nl][no];
+	       mpp_sum_int(1, &nxgrid);
+	       if(nxgrid > 0) {
+		  double *g_area, *g_clon, *g_clat;
+		  int    *g_il,   *g_jl,   *g_io, *g_jo;
+		  int    ii;
+		  g_il = (int    *)malloc(nxgrid*sizeof(int   ));
+		  g_jl = (int    *)malloc(nxgrid*sizeof(int   ));
+		  g_io = (int    *)malloc(nxgrid*sizeof(int   ));
+		  g_jo = (int    *)malloc(nxgrid*sizeof(int   ));	
+		  g_area = (double *)malloc(nxgrid*sizeof(double));
+		  g_clon = (double *)malloc(nxgrid*sizeof(double));
+		  g_clat = (double *)malloc(nxgrid*sizeof(double));
+		  mpp_gather_field_int   (nlxo[nl][no], lndxocn_il[nl][no], g_il);
+		  mpp_gather_field_int   (nlxo[nl][no], lndxocn_jl[nl][no], g_jl);
+		  mpp_gather_field_int   (nlxo[nl][no], lndxocn_io[nl][no], g_io);
+		  mpp_gather_field_int   (nlxo[nl][no], lndxocn_jo[nl][no], g_jo);
+		  mpp_gather_field_double(nlxo[nl][no], lndxocn_area[nl][no], g_area);
+		  mpp_gather_field_double(nlxo[nl][no], lndxocn_clon[nl][no], g_clon);
+		  mpp_gather_field_double(nlxo[nl][no], lndxocn_clat[nl][no], g_clat);
+		  for(i=0; i<nxgrid; i++) {	      
+		     ii = g_jl[i]*nxl[nl]+g_il[i];
+		     l_area[ii] += g_area[i];
+		     l_clon[ii] += g_clon[i];
+		     l_clat[ii] += g_clat[i];
+		     ii = g_jo[i]*nxo[no]+g_io[i];
+		     o_area[no][ii] += g_area[i];
+		     o_clon[no][ii] += g_clon[i];
+		     o_clat[no][ii] += g_clat[i];
+		  }
+		  free(g_il);
+		  free(g_jl);
+		  free(g_io);
+		  free(g_jo);
+		  free(g_area);
+		  free(g_clon);
+		  free(g_clat);
+	       }
+	    }
+	    for(ll=0; ll<nxl[nl]*nyl[nl]; ll++) {
+	       if(l_area[ll] > 0) {
+		  l_clon[ll] /= l_area[ll];
+		  l_clat[ll] /= l_area[ll];
+	       }
+	    }
+	    /* substract land centroid to get the centroid distance between land grid and exchange grid. */
+	    for(no=0; no<ntile_ocn; no++) {
+	       for(i=0; i<nlxo[nl][no]; i++) {
+		  ll = lndxocn_jl[nl][no][i]*nxl[nl] + lndxocn_il[nl][no][i];
+		  lndxocn_dil[nl][no][i] = lndxocn_clon[nl][no][i]/lndxocn_area[nl][no][i] - l_clon[ll];
+		  lndxocn_djl[nl][no][i] = lndxocn_clat[nl][no][i]/lndxocn_area[nl][no][i] - l_clat[ll];
+	       }
+	    }
+	
+	    free(l_area);
+	    free(l_clon);
+	    free(l_clat);	
+	 }
+
+	 /* centroid distance from exchange grid to ocean grid */
+	 for(no=0; no<ntile_ocn; no++) {
+	    for(lo=0; lo<nxo[no]*nyo[no]; lo++) {
+	       if(o_area[no][lo] > 0) {
+		  o_clon[no][lo] /= o_area[no][lo];
+		  o_clat[no][lo] /= o_area[no][lo];
+	       }
+	    }
+	    for(nl=0; nl<ntile_lnd; nl++) {
+	       for(i=0; i<nlxo[nl][no]; i++) {
+		  lo = lndxocn_jo[nl][no][i]*nxo[no] + lndxocn_io[nl][no][i];
+		  lndxocn_dio[nl][no][i] = lndxocn_clon[nl][no][i]/lndxocn_area[nl][no][i] - o_clon[no][lo];
+		  lndxocn_djo[nl][no][i] = lndxocn_clat[nl][no][i]/lndxocn_area[nl][no][i] - o_clat[no][lo];
+	       }
+	    }
+	    free(o_area[no]);
+	    free(o_clon[no]);
+	    free(o_clat[no]);
+	 }
+
+	 free(o_area);
+	 free(o_clon);
+	 free(o_clat);
+      }
+
+      /* write out lndXocn data */
+      for(nl = 0; nl < ntile_lnd; nl++) {
+	 for(no = 0; no < ntile_ocn; no++) {
+	    int nxgrid;
+	 
+	    /* get total number of exchange grid on all the pes */
+	    nxgrid = nlxo[nl][no];
+	    mpp_sum_int(1, &nxgrid);
+	
+	    if(nxgrid >0) {
+	       size_t start[4], nwrite[4];
+	       int *gdata_int;
+	       double *gdata_dbl;
+	  
+	       char contact[STRING];
+	       int fid, dim_string, dim_ncells, dim_two, dims[4];
+	       int id_contact, id_xgrid_area, n;
+	       int id_tile1_cell, id_tile2_cell, id_tile1_dist, id_tile2_dist;
+
+	       for(i=0; i<4; i++) {
+		  start[i] = 0; nwrite[i] = 1;
+	       }	  	  
+	  
+	       if(same_mosaic)
+		  sprintf(lxo_file[nfile_lxo], "lnd_%s_%sXocn_%s_%s.nc", lmosaic_name, ltile_name[nl], omosaic_name, otile_name[no]);
+	       else
+		  sprintf(lxo_file[nfile_lxo], "%s_%sX%s_%s.nc", lmosaic_name, ltile_name[nl], omosaic_name, otile_name[no]);
+	       sprintf(contact, "%s:%s::%s:%s", lmosaic_name, ltile_name[nl], omosaic_name, otile_name[no]);
+
+	       fid = mpp_open(lxo_file[nfile_lxo], MPP_WRITE);
+	       mpp_def_global_att(fid, "grid_version", GRID_VERSION);
+	       mpp_def_global_att(fid, "code_version", TAGNAME);
+	       mpp_def_global_att(fid, "history", history);
+	       dim_string = mpp_def_dim(fid, "string", STRING);
+	       dim_ncells = mpp_def_dim(fid, "ncells", nxgrid);
+	       dim_two    = mpp_def_dim(fid, "two", 2);
+	       if(interp_order == 2) {
+		  id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 7, "standard_name", "grid_contact_spec",
+		  "contact_type", "exchange", "parent1_cell",
+		  "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area", 
+		  "distant_to_parent1_centroid", "tile1_distance", "distant_to_parent2_centroid", "tile2_distance");
+	       }
+	       else {
+		  id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 5, "standard_name", "grid_contact_spec",
+		  "contact_type", "exchange", "parent1_cell",
+		  "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area" );
+	       }
+	       dims[0] = dim_ncells; dims[1] = dim_two;
+	       id_tile1_cell = mpp_def_var(fid, "tile1_cell", MPP_INT, 2, dims, 1, "standard_name", "parent1_cell_indices");
+	       id_tile2_cell = mpp_def_var(fid, "tile2_cell", MPP_INT, 2, dims, 1, "standard_name", "parent2_cell_indices");
+	       id_xgrid_area = mpp_def_var(fid, "xgrid_area", MPP_DOUBLE, 1, &dim_ncells, 2, "standard_name",
+	       "exchange_grid_area", "units", "m2");
+
+	       if(interp_order == 2) {
+		  id_tile1_dist = mpp_def_var(fid, "tile1_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent1_cell_centroid");
+		  id_tile2_dist = mpp_def_var(fid, "tile2_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent2_cell_centroid");
+	       }
+	       mpp_end_def(fid);
+
+	       /* the index will start from 1, instead of 0 ( fortran index) */
+	       for(i = 0;i < nlxo[nl][no]; i++) {
+		  ++(lndxocn_il[nl][no][i]);
+		  ++(lndxocn_jl[nl][no][i]);
+		  ++(lndxocn_io[nl][no][i]);
+		  lndxocn_jo[nl][no][i] += 1 - ocn_south_ext; /* one artificial j-level may be added in the south end */
+	       }
+
+	       nwrite[0] = strlen(contact);
+	       mpp_put_var_value_block(fid, id_contact, start, nwrite, contact);
+	       nwrite[0] = nxgrid;
+
+	       gdata_int = (int *)malloc(nxgrid*sizeof(int));
+	       gdata_dbl = (double *)malloc(nxgrid*sizeof(double));
+
+	       mpp_gather_field_double(nlxo[nl][no], lndxocn_area[nl][no], gdata_dbl);
+	       mpp_put_var_value(fid, id_xgrid_area, gdata_dbl);
+	       mpp_gather_field_int(nlxo[nl][no], lndxocn_il[nl][no], gdata_int);
+	       mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, gdata_int);
+	       mpp_gather_field_int(nlxo[nl][no], lndxocn_io[nl][no], gdata_int);
+	       mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, gdata_int);
+	       start[1] = 1;
+	       mpp_gather_field_int(nlxo[nl][no], lndxocn_jl[nl][no], gdata_int);
+	       mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, gdata_int);
+	       mpp_gather_field_int(nlxo[nl][no], lndxocn_jo[nl][no], gdata_int);
+	       mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, gdata_int);
+	       if(interp_order == 2) {
+		  start[1] = 0;
+		  mpp_gather_field_double(nlxo[nl][no], lndxocn_dil[nl][no], gdata_dbl);
+		  mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, gdata_dbl);
+		  mpp_gather_field_double(nlxo[nl][no], lndxocn_dio[nl][no], gdata_dbl);
+		  mpp_put_var_value_block(fid, id_tile2_dist, start, nwrite, gdata_dbl);
+		  start[1] = 1;
+		  mpp_gather_field_double(nlxo[nl][no], lndxocn_djl[nl][no], gdata_dbl);
+		  mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, gdata_dbl);
+		  mpp_gather_field_double(nlxo[nl][no], lndxocn_djo[nl][no], gdata_dbl);
+		  mpp_put_var_value_block(fid, id_tile2_dist, start, nwrite, gdata_dbl);
+	       }
+	       mpp_close(fid);
+	       free(gdata_int);
+	       free(gdata_dbl);
+	       ++nfile_lxo;
+	    }
+	 } /* for(no=0; no<ntile_ocn; no++) */
+      } /* for(nl=0; nl<ntile_lnd; nl++) */
+
+      /* release the memory */
+      for(nl=0; nl<ntile_lnd; nl++) {
+	 for(no=0; no<ntile_ocn; no++) {
+	    free(lndxocn_area[nl][no]);
+	    free(lndxocn_il  [nl][no]);
+	    free(lndxocn_jl  [nl][no]);
+	    free(lndxocn_io  [nl][no]);
+	    free(lndxocn_jo  [nl][no]);
+	    if(interp_order == 2) {
+	       free(lndxocn_clon[nl][no]);
+	       free(lndxocn_clat[nl][no]);
+	       free(lndxocn_dil [nl][no]);
+	       free(lndxocn_djl [nl][no]);
+	       free(lndxocn_dio [nl][no]);
+	       free(lndxocn_djo [nl][no]);
+	    }
+	 }
+	 free(lndxocn_area[nl]);
+	 free(lndxocn_il  [nl]);
+	 free(lndxocn_jl  [nl]);
+	 free(lndxocn_io  [nl]);
+	 free(lndxocn_jo  [nl]);
+	 if(interp_order == 2) {
+	    free(lndxocn_clon[nl]);
+	    free(lndxocn_clat[nl]);
+	    free(lndxocn_dil [nl]);
+	    free(lndxocn_djl [nl]);
+	    free(lndxocn_dio [nl]);
+	    free(lndxocn_djo [nl]);
+	 }
+	 free(nlxo[nl]);
+      }
+      free(nlxo);
+      free(lndxocn_area);
+      free(lndxocn_il  );
+      free(lndxocn_jl  );
+      free(lndxocn_io  );
+      free(lndxocn_jo  );   
+      if(interp_order == 2) {
+	 free(lndxocn_clon);
+	 free(lndxocn_clat);
+	 free(lndxocn_dil );
+	 free(lndxocn_djl );
+	 free(lndxocn_dio );
+	 free(lndxocn_djo );
+      }
+
+      if(mpp_pe() == mpp_root_pe()) printf("\nNOTE from make_coupler_mosaic: Complete the process to create exchange grids "
+      "for runoff between land and sea ice.\n" );
+   }
+   else {
+      nfile_lxo = nfile_axo;
+      for(i=0; i<nfile_axo; i++) strcpy(lxo_file[i], axo_file[i]);
+      if(mpp_pe() == mpp_root_pe()) printf("\nNOTE from make_coupler_mosaic: Since lmosaic is the same as amosaic, "
+      "no need to compute the exchange grid between lmosaic and omosaic, "
+      "simply use the exchange grid between amosaic and omosaic.\n");    
+   }
+
+   if(mpp_pe() == mpp_root_pe()) {
+      int n, i;
+      double axo_area_frac;
+      double axl_area_frac;
+      double tiling_area;
+      double *atm_area;
+      double atm_area_sum;
+
+      if(check) {
+	 /* for cubic grid, when number of model points is odd, some grid cell area will be negative,
+	    need to think about how to solve this issue in the future */
+	 /*      atm_area_sum = 4*M_PI*RADIUS*RADIUS; */
+	 atm_area_sum = 0;
+	 for(n=0; n<ntile_atm; n++) {
+	    atm_area = (double *)malloc(nxa[n]*nya[n]*sizeof(double));
+	    get_grid_area(&nxa[n], &nya[n], xatm[n], yatm[n], atm_area);
+	    for(i=0; i<nxa[n]*nya[n]; i++) atm_area_sum += atm_area[i];
+	    free(atm_area);
+	 }
+	 axo_area_frac = axo_area_sum/atm_area_sum*100;
+	 axl_area_frac = axl_area_sum/atm_area_sum*100;
+	 tiling_area   = (atm_area_sum-axo_area_sum-axl_area_sum)/atm_area_sum*100;    
+	 printf("\nNOTE: axo_area_sum is %f and ocean fraction is %f%%\n", axo_area_sum, axo_area_frac);
+	 printf("NOTE: axl_area_sum is %f and land  fraction is %f%%\n", axl_area_sum, axl_area_frac);
+	 printf("NOTE: tiling error is %f%%\n", tiling_area );
+      }
+   }
+  
+   /*Fianlly create the coupler mosaic file mosaic_name.nc */
+   {
+      int fid, dim_string, dim_axo, dim_lxo, dim_axl, dims[4], n;
+      size_t start[4], nwrite[4];
+      int id_lmosaic_dir, id_lmosaic_file, id_omosaic_dir, id_omosaic_file;
+      int id_amosaic_dir, id_amosaic_file, id_otopog_dir, id_otopog_file;
+      int id_xgrids_dir, id_axo_file, id_lxo_file, id_axl_file;
+      int id_amosaic, id_lmosaic, id_omosaic;
+    
+      fid = mpp_open(mosaic_file, MPP_WRITE);
+      mpp_def_global_att(fid, "grid_version", GRID_VERSION);
+      mpp_def_global_att(fid, "code_version", TAGNAME);
+      mpp_def_global_att(fid, "history", history);
+      dim_string = mpp_def_dim(fid, "string", STRING);
+      dim_axo = mpp_def_dim(fid, "nfile_aXo", nfile_axo);
+      dim_axl = mpp_def_dim(fid, "nfile_aXl", nfile_axl);
+      dim_lxo = mpp_def_dim(fid, "nfile_lXo", nfile_lxo);
+      id_amosaic_dir  = mpp_def_var(fid, "atm_mosaic_dir", MPP_CHAR, 1, &dim_string,
+      1, "standard_name", "directory_storing_atmosphere_mosaic");
+      id_amosaic_file = mpp_def_var(fid, "atm_mosaic_file", MPP_CHAR, 1, &dim_string,
+      1, "standard_name", "atmosphere_mosaic_file_name");
+      id_amosaic      = mpp_def_var(fid, "atm_mosaic", MPP_CHAR, 1, &dim_string,
+      1, "standard_name", "atmosphere_mosaic_name");
+      id_lmosaic_dir  = mpp_def_var(fid, "lnd_mosaic_dir", MPP_CHAR, 1, &dim_string,
+      1, "standard_name", "directory_storing_land_mosaic");
+      id_lmosaic_file = mpp_def_var(fid, "lnd_mosaic_file", MPP_CHAR, 1, &dim_string,
+      1, "standard_name", "land_mosaic_file_name");
+      id_lmosaic      = mpp_def_var(fid, "lnd_mosaic", MPP_CHAR, 1, &dim_string,
+      1, "standard_name", "land_mosaic_name");        
+      id_omosaic_dir  = mpp_def_var(fid, "ocn_mosaic_dir", MPP_CHAR, 1, &dim_string,
+      1, "standard_name", "directory_storing_ocean_mosaic");
+      id_omosaic_file = mpp_def_var(fid, "ocn_mosaic_file", MPP_CHAR, 1, &dim_string,
+      1, "standard_name", "ocean_mosaic_file_name");
+      id_omosaic      = mpp_def_var(fid, "ocn_mosaic", MPP_CHAR, 1, &dim_string,
+      1, "standard_name", "ocean_mosaic_name");    
+      id_otopog_dir   = mpp_def_var(fid, "ocn_topog_dir", MPP_CHAR, 1, &dim_string,
+      1, "standard_name", "directory_storing_ocean_topog");
+      id_otopog_file  = mpp_def_var(fid, "ocn_topog_file", MPP_CHAR, 1, &dim_string,
+      1, "standard_name", "ocean_topog_file_name");
+      /* since exchange grid is created in this tool, we may add command line option to specify where to store the output */
+      /*    id_xgrids_dir = mpp_def_var(fid, "xgrids_dir", MPP_CHAR, 1, &dim_string,
+	    1, "standard_name", "directory_storing_xgrids"); */
+      dims[0] = dim_axo; dims[1] = dim_string;
+      id_axo_file = mpp_def_var(fid, "aXo_file", MPP_CHAR, 2, dims, 1, "standard_name", "atmXocn_exchange_grid_file");
+      dims[0] = dim_axl; dims[1] = dim_string;
+      id_axl_file = mpp_def_var(fid, "aXl_file", MPP_CHAR, 2, dims, 1, "standard_name", "atmXlnd_exchange_grid_file");
+      dims[0] = dim_lxo; dims[1] = dim_string;
+      id_lxo_file = mpp_def_var(fid, "lXo_file", MPP_CHAR, 2, dims, 1, "standard_name", "lndXocn_exchange_grid_file");
+      mpp_end_def(fid);
+      for(i=0; i<4; i++) { start[i] = 0; nwrite[i] = 1; }
+    
+      nwrite[0] = strlen(amosaic_dir);
+      mpp_put_var_value_block(fid, id_amosaic_dir, start, nwrite, amosaic_dir);
+      nwrite[0] = strlen(amosaic_file);
+      mpp_put_var_value_block(fid, id_amosaic_file, start, nwrite, amosaic_file);
+      nwrite[0] = strlen(amosaic_name);
+      mpp_put_var_value_block(fid, id_amosaic, start, nwrite, amosaic_name);
+      nwrite[0] = strlen(lmosaic_dir);
+      mpp_put_var_value_block(fid, id_lmosaic_dir, start, nwrite, lmosaic_dir);
+      nwrite[0] = strlen(lmosaic_file);
+      mpp_put_var_value_block(fid, id_lmosaic_file, start, nwrite, lmosaic_file);
+      nwrite[0] = strlen(lmosaic_name);
+      mpp_put_var_value_block(fid, id_lmosaic, start, nwrite, lmosaic_name);
+      nwrite[0] = strlen(omosaic_dir);
+      mpp_put_var_value_block(fid, id_omosaic_dir, start, nwrite, omosaic_dir);
+      nwrite[0] = strlen(omosaic_file);
+      mpp_put_var_value_block(fid, id_omosaic_file, start, nwrite, omosaic_file);
+      nwrite[0] = strlen(omosaic_name);
+      mpp_put_var_value_block(fid, id_omosaic, start, nwrite, omosaic_name);
+      nwrite[0] = strlen(otopog_dir);
+      mpp_put_var_value_block(fid, id_otopog_dir, start, nwrite, otopog_dir);
+      nwrite[0] = strlen(otopog_file);
+      mpp_put_var_value_block(fid, id_otopog_file, start, nwrite, otopog_file);
+      nwrite[0] = 1;
+
+      for(n=0; n<nfile_axo; n++) {
+	 start[0] = n; nwrite[1] = strlen(axo_file[n]);
+	 mpp_put_var_value_block(fid, id_axo_file, start, nwrite, axo_file[n]);
+      }
+      for(n=0; n<nfile_axl; n++) {
+	 start[0] = n; nwrite[1] = strlen(axl_file[n]);
+	 mpp_put_var_value_block(fid, id_axl_file, start, nwrite, axl_file[n]);
+      }
+      for(n=0; n<nfile_lxo; n++) {
+	 start[0] = n; nwrite[1] = strlen(lxo_file[n]);
+	 mpp_put_var_value_block(fid, id_lxo_file, start, nwrite, lxo_file[n]);
+      }    
+      mpp_close(fid);
+   }
+   return 0;
+}
+  
diff --git a/gridspec_tools_20080702/tools/shared/tool_util.h b/gridspec_tools_20080702/tools/shared/tool_util.h
new file mode 100644
index 0000000..bc5b8cf
--- /dev/null
+++ b/gridspec_tools_20080702/tools/shared/tool_util.h
@@ -0,0 +1,69 @@
+/***********************************************************************
+                      tool_util.h
+    This header file provide some utilities routine that will be used in many tools.
+    
+    contact: Zhi.Liang at noaa.gov
+***********************************************************************/
+#ifndef TOOL_UTIL_H_
+#define TOOL_UTIL_H_
+void get_file_path(const char *file, char *dir);
+int get_int_entry(char *line, int *value); 
+int get_double_entry(char *line, double *value);
+double spherical_dist(double x1, double y1, double x2, double y2);
+double spherical_area(double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4 ); 
+double bipolar_dist(double x1, double y1, double x2, double y2, double bpeq, double bpsp, double bpnp, double rp );
+double bipolar_area(double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4 );
+void tp_trans(double *lon, double *lat, double lon_ref, double lon_start, 
+              double lam0, double bpeq, double bpsp, double bpnp, double rp );
+double* compute_grid_bound(int nb, const double *bnds, const int *npts, int *grid_size, const char *center);
+
+typedef struct {
+  int nx;
+  int ny;
+  double *xt;
+  double *yt;
+  double *xb;
+  double *yb;
+  double *xb_r;
+  double *yb_r;
+  double *area;
+  double *landfrac;
+  double *subA;
+  double *cellarea;
+  double *celllength;
+  int    *tocell;
+  int    *travel;
+  int    *basin;
+  int    *dir;
+  int    *last_point;
+  double subA_missing;
+  double cellarea_missing;
+  double celllength_missing;
+  int    tocell_missing;
+  int    travel_missing;
+  int    basin_missing;
+  char   filename[128];
+} river_type;
+
+//inline void swap(void *x, void *y, size_t l);
+void qsort_index(double array[], int start, int end, int rank[]);
+void get_source_data(const char *src_file, river_type *river_data);
+void get_mosaic_grid(const char *coupler_mosaic, const char *land_mosaic,
+int ntiles, river_type *river_data, unsigned int *opcode);
+void init_river_data(int ntiles, river_type *river_out, const river_type * const river_in);
+void calc_max_subA(const river_type *river_in, river_type *river_out,
+int ntiles, unsigned int opcode);
+void update_halo_double(int ntiles, double **data, int nx, int ny, unsigned int opcode);
+void update_halo_int(int ntiles, int **data, int nx, int ny, unsigned int opcode);
+int adjust_lon(double x[], double tlon);
+void calc_tocell(int ntiles, river_type *river_out, unsigned int opcode );
+void calc_river_data(int ntiles, river_type* river_data, unsigned int opcode  );
+void sort_basin(int ntiles, river_type* river_data);
+
+void check_river_data( );
+void write_river_data(const char *river_src_file, const char *output_file,
+river_type* river_out, const char *history, int ntiles);
+double distance(double lon1, double lat1, double lon2, double lat2);
+
+
+#endif
diff --git a/gridspec_tools_20080702/tools/shared/topog.c b/gridspec_tools_20080702/tools/shared/topog.c
new file mode 100644
index 0000000..0f9e5a0
--- /dev/null
+++ b/gridspec_tools_20080702/tools/shared/topog.c
@@ -0,0 +1,542 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include "topog.h"
+#include "create_xgrid.h"
+#include "mosaic_util.h"
+#include "mpp_io.h"
+
+#define D2R (M_PI/180.)
+
+void filter_topo( int nx, int ny, int num_pass, int smooth_topo_allow_deepening, double *depth);
+void set_depth(int nx, int ny, const double *xbnd, const double *ybnd, double alat1, double slon1,
+	       double elon1, double alat2, double slon2, double elon2, double depth_in, double *depth);
+void enforce_min_depth(int nx, int ny, int round_shallow, int deepen_shallow,
+		       int fill_shallow, double min_depth, double *depth);
+
+/*********************************************************************
+   void create_rectangular_topog()
+   Constructing a rectangular basin with a flat bottom, basin_depth can be 0 ( all land).
+ ********************************************************************/
+void create_rectangular_topog(int nx, int ny, double basin_depth, double *depth)
+{
+  int i;
+
+  for(i=0; i<nx*ny; i++)  depth[i] = basin_depth;
+}; /* create_rectangular_topog  */
+
+/*********************************************************************
+   void create_bowl_topog()
+   From "Simulation of density-driven frictional downslope flow
+   in z-coordinate mocean models"
+   Winton et al. JPO, Vol 28, No 11, 2163-2174, November 1998
+ ********************************************************************/
+void create_bowl_topog(int nx, int ny, const double *x, const double *y, double bottom_depth,
+		       double min_depth, double bowl_east, double bowl_south, double bowl_west,
+		       double bowl_north, double *depth)
+{
+  double bottom, xx, yy;
+  int i, j, nxp, nyp;
+
+  nxp = nx+1;
+  nyp = ny+1;
+  
+  for(j=0;j<ny;j++){
+    for(i=0;i<nx;i++){
+      xx = (x[j*nxp+i]+x[j*nxp+i+1]+x[(j+1)*nxp+i]+x[(j+1)*nxp+i+1])*0.25;
+      yy = (y[j*nxp+i]+y[j*nxp+i+1]+y[(j+1)*nxp+i]+y[(j+1)*nxp+i+1])*0.25;	    
+      if (xx <= bowl_west  || xx >= bowl_east || yy <= bowl_south || yy >= bowl_north)            
+	bottom = min_depth;
+      else
+	bottom = min_depth + bottom_depth*(1.0-exp(-pow((yy-bowl_south)/2.0,2)))
+	  *(1.0-exp(-pow((yy-bowl_north)/2.0,2)))
+	  *(1.0-exp(-pow((xx-bowl_west)/4.0,2)))
+	  *(1.0-exp(-pow((xx-bowl_east)/4.0,2)));
+      depth[j*nx+i] = bottom;
+    }
+  }
+}; /* create_bowl_topog */
+
+
+/*********************************************************************
+   void create_gaussian_topog()
+   Constructing a gaussian bump
+ ********************************************************************/
+void create_gaussian_topog(int nx, int ny, const double *x, const double *y, double bottom_depth,
+			   double min_depth, double gauss_amp, double gauss_scale, double slope_x,
+			   double slope_y, double *depth)
+{
+  double bump_height, bump_scale, xcent, ycent, arg, bottom;
+  double xe, xw, ys, yn;
+  double *xt, *yt;
+  int i, j, nxp, nyp;
+
+  xt = (double *)malloc(nx*ny*sizeof(double));
+  yt = (double *)malloc(nx*ny*sizeof(double));
+  for(j=0; j<ny; j++) {
+    for(i=0; i<nx; i++) {
+      xt[j*nx+i] = (x[j*nxp+i] + x[j*nxp+i+1] + x[(j+1)*nxp+i] + x[(j+1)*nxp+i+1])*0.25;
+      yt[j*nx+i] = (y[j*nxp+i] + y[j*nxp+i+1] + y[(j+1)*nxp+i] + y[(j+1)*nxp+i+1])*0.25;
+    }
+  }
+  
+  xw = xt[0];
+  ys = yt[0];
+  xe = xw;
+  yn = ys;
+
+  for(j=1;j<ny;j++){
+    for(i=1;i<nx;i++){
+      xw = min(xt[j*nx+i],xw); xe = max(xt[j*nx+i],xe);
+      ys = min(yt[j*nx+i],ys); yn = max(yt[j*nx+i],yn);
+    }
+  }
+
+  bump_height = gauss_amp*bottom_depth;
+  bump_scale = gauss_scale*min(xe-xw, yn-ys);
+  xcent = 0.5*(xe+xw);
+  ycent = 0.5*(yn+ys);
+
+  printf("Constructing a gaussian bump of height = %f meters with a scale width of %f degrees.\n",
+	 bump_height, bump_scale);
+  printf("The bump is centered at (lon,lat) = (%f,%f) deg.\n", xcent, ycent);
+  printf("The ocean floor rises with a slope of %f meters/deg towards the east and %f "
+	 " meters/deg to the north.", slope_x, slope_y) ;
+
+  for(j=0;i<nx*ny;j++){
+      arg = pow(xt[i]-xcent,2) + pow(yt[i]-ycent,2);
+      bottom = bottom_depth - bump_height*exp(-arg/pow(bump_scale,2));
+      bottom = bottom - slope_x*(xt[i]-xw)- slope_y*(yt[i]-ys);
+      depth[i] = max(bottom,min_depth);
+  }
+
+  free(xt);
+  free(yt);
+  
+}; /* create_gaussian_topog */
+
+
+/*********************************************************************
+
+  void create_idealized_topog
+   construct a highly "idealized" world ... piece by piece
+
+   note: the purpose of this geometry/topography is to automatically
+         map into arbitrary resolution as grid dimensions are
+         changed, thereby facilitating the implementation
+         and verification of the model on various computer platforms
+         without referencing the topographic database.  Although it
+         somewhat resembles the real world, it is NOT realistic.
+   Note: this routine needs to be re-thought for generalized curvilinear coordinates
+
+ ********************************************************************/
+void create_idealized_topog( int nx, int ny, const double *x, const double *y,
+			     double bottom_depth, double min_depth, double *depth)
+{
+  int i, j, nxp, nyp;
+  double arg;
+  double *xbnd, *ybnd;
+  
+  for(j=0;j<ny;j++){
+    for(i=0;i<nx;i++) depth[j*nx+i]=bottom_depth;
+  }
+  
+  //antarctica
+  xbnd = (double *)malloc(nx*sizeof(double));
+  ybnd = (double *)malloc(ny*sizeof(double));
+  for(i=0; i<nx; i++) xbnd[i] = (x[i]+x[i+1])*0.5;
+  for(j=0; j<ny; j++) ybnd[j] = (y[j*nxp]+y[(j+1)*nxp])*0.5;
+  
+  set_depth (nx, ny, xbnd, ybnd, -90.0, 0.0, 360.0, -80.0, 0.0, 360.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, -80.0, 360.0-25.0, 360.0, -70.0, 360.0, 360.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, -80.0, 0.0, 360.0, -70.0, 0.0, 170.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, -80.0, 360.0-135.0, 360.0-60.0, -68.0, 360.0-75.0, 360.0-60.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, -70.0, 0.0, 155.0, -67.0, 50.0, 145.0, 0.0, depth);
+
+  // australia
+
+  set_depth (nx, ny, xbnd, ybnd, -35.0, 116.0, 120.0, -31.0, 114.0, 130.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, -38.0, 140.0, 151.0, -31.0, 130.0, 151.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, -31.0, 115.0, 153.0, -20.0, 113.0, 149.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, -20.0, 113.0, 149.0, -11.0, 131.0, 143.0, 0.0, depth);
+
+  // south america
+
+  set_depth (nx, ny, xbnd, ybnd, -50.0, 360.0-74.0, 360.0-68.0, -40.0, 360.0-73.0, 360.0-62.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, -40.0, 360.0-73.0, 360.0-62.0, -20.0, 360.0-70.0, 360.0-40.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, -20.0, 360.0-70.0, 360.0-40.0, -16.0, 360.0-81.0, 360.0-35.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, -16.0, 360.0-81.0, 360.0-35.0, 0.0, 360.0-80.0, 360.0-50.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 0.0, 360.0-80.0, 360.0-50.0, 11.0, 360.0-75.0, 360.0-60.0, 0.0, depth);
+
+  // central america
+
+  set_depth (nx, ny, xbnd, ybnd, 6.0, 360.0-78.0, 360.0-75.0, 20.0, 360.0-105.0, 360.0-97.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 20.0, 360.0-105.0, 360.0-97.0, 30.0, 360.0-115.0, 360.0-94.0, 0.0, depth);
+
+  // north america
+
+  set_depth (nx, ny, xbnd, ybnd, 25.0, 360.0-82.0, 360.0-80.0, 30.0, 360.0-85.0, 360.0-81.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 30.0, 360.0-115.0, 360.0-80.0, 40.0, 360.0-124.0, 360.0-74.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 40.0, 360.0-124.0, 360.0-74.0, 50.0, 360.0-124.0, 360.0-57.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 50.0, 360.0-124.0, 360.0-57.0, 60.0, 360.0-140.0, 360.0-64.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 60.0, 360.0-165.0, 360.0-64.0, 65.0, 360.0-140.0, 360.0-64.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 65.0, 360.0-140.0, 360.0-64.0, 70.0, 360.0-162.0, 360.0-72.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 70.0, 360.0-162.0, 360.0-140.0, 72.0, 360.0-157.0, 360.0-157.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 70.0, 360.0-130.0, 360.0-70.0, 75.0, 360.0-120.0, 360.0-80.0, 0.0, depth);
+
+  // greenland
+
+  set_depth (nx, ny, xbnd, ybnd, 60.0, 360.0-45.0, 360.0-45.0, 75.0, 360.0-58.0, 360.0-19.0, 0.0, depth);
+
+  // africa
+
+  set_depth (nx, ny, xbnd, ybnd, -35.0, 19.0, 28.0, 6.0, 8.0, 50.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 6.0, 0.0, 50.0, 18.0, 0.0, 56.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 18.0, 0.0, 56.0, 26.0, 0.0, 59.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 6.0, 360.0-10.0, 360.0, 18.0, 360.0-18.0, 360.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 18.0, 360.0-18.0, 360.0, 26.0,  360.0-15.0, 360.0, 0.0, depth);
+
+  // northern africa and europe and asia
+
+  set_depth (nx, ny, xbnd, ybnd, 26.0, 360.0-15.0, 360.0, 40.0, 360.0-7.0, 360.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 40.0, 360.0-7.0, 360.0, 50.0, 360.0, 360.0, 0.0, depth);
+
+  set_depth (nx, ny, xbnd, ybnd, 8.0, 77.0, 78.0, 26.0, 65.0, 90.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 4.0, 99.0, 100.0, 26.0, 90.0, 115.0, 0.0, depth);
+
+  set_depth (nx, ny, xbnd, ybnd, 26.0, 0.0, 126.0, 40.0, 0.0, 122.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 40.0, 0.0, 130.0, 50.0, 0.0, 140.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 50.0, 0.0, 140.0, 60.0, 8.0, 140.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 60.0, 8.0, 163.0, 65.0, 13.0, 180.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 65.0, 13.0, 188.0, 70.0, 20.0, 180.0, 0.0, depth);
+  set_depth (nx, ny, xbnd, ybnd, 70.0, 70.0, 180.0, 75.0, 90.0, 100.0, 0.0, depth);
+
+  // add an "idealized" undulating topography
+
+  nxp = nx+1;
+  nyp = ny+1;
+  for(j=0;j<ny;j++){
+    for(i=0;i<nx;i++){
+      if (depth[j*nx+i] > 0.0 ) {
+	arg = bottom_depth*(1-0.4*fabs(cos(((j+1)*M_PI)/nyp)*sin(((i+1)*2*M_PI)/nxp)));
+        arg = max(arg, min_depth);      
+        depth[j*nx+i] = arg;
+      }
+    }
+  }
+
+  // add "idealized" ridges
+
+  arg = 0.666*bottom_depth;
+  
+  set_depth (nx, ny, xbnd, ybnd, -20.0, 360.0-20.0, 360.0-10.0, 30.0, 360.0-45.0, 360.0-35.0, arg, depth);
+  set_depth (nx, ny, xbnd, ybnd, 30.0, 360.0-45.0, 360.0-35.0, 60.0, 360.0-20.0,  360.0-30.0, arg, depth);
+  set_depth (nx, ny, xbnd, ybnd, -60.0,360.0-100.0, 360.0-130.0, 40.0, 360.0-160.0, 180.0, arg, depth);
+
+  arg = 0.5*bottom_depth;
+  
+  set_depth (nx, ny, xbnd, ybnd, -50.0, 360.0-120.0, 360.0-120.0, 30.0, 190.0, 190.0, arg, depth);
+
+  free(xbnd);
+  free(ybnd);
+  
+} /* create_idealized_topog */
+
+/*********************************************************************
+   void set_depth(double alat1, double slon1, double elon1, double alat2,
+                  double slon2, double elon2, double depth_in )
+        set the topography depth "depth[i][j](i,j)" = "depth_in" within the area of
+        the trapezoid bounded by vertices:
+        (alat1,slon1), (alat1,elon1), (alat2,slon2), and (alat2,elon2)
+   
+        inputs:
+   
+        alat1 = southern latitude of trapezoid (degrees)
+        slon1 = starting longitude of southern edge of trapezoid (deg)
+        elon1 = ending longitude of southern edge of trapezoid (deg)
+        alat2 = northern latitude of trapezoid (degrees)
+        slon2 = starting longitude of northern edge of trapezoid (deg)
+        elon2 = ending longitude of northern edge of trapezoid (deg)
+        depth_in = constant depth value
+   
+ ********************************************************************/
+void set_depth(int nx, int ny, const double *xbnd, const double *ybnd, double alat1, double slon1, double elon1, double alat2,
+                      double slon2, double elon2, double depth_in, double *depth)
+{
+  double rdj, d;
+  int i, j, i1, i2, j1, j2, is, ie, js, je, is1, ie1, is2, ie2;
+  
+  j1 = nearest_index(alat1, ybnd, ny );
+  j2 = nearest_index(alat2, ybnd, ny );
+  js = min(j1,j2);
+  je = max(j1,j2);
+
+  i1  = nearest_index(slon1, xbnd, nx);
+  i2  = nearest_index(elon1, xbnd, nx);
+  is1 = min(i1,i2);
+  ie1 = max(i1,i2);
+
+  i1  = nearest_index(slon2, xbnd, nx );
+  i2  = nearest_index(elon2, xbnd, ny );
+  is2 = min(i1,i2);
+  ie2 = max(i1,i2);
+
+  is = is1;
+  ie = ie1;
+
+  // fill in the area bounded by (js,is1), (js,ie1), (je,is2), (je,ie2)
+  // the nudging of 1.e-5 is to insure that the test case resolution
+  // generates the same topography and geometry on various computers.
+
+  if (js == je) 
+    rdj = 1.0;
+  else
+    rdj = 1.0/(je-js);
+
+  for(j=js;j<=je;j++){
+    for(i=is;i<=ie;i++) depth[j*nx+i] = depth_in;
+    d = rdj*((j-js)*is2 + (je-j)*is1) + 1.0e-5;
+    is = ceil(d);
+    if( is - d > 0.5) is = is -1;
+    d = rdj*((j-js)*ie2 + (je-j)*ie1) + 1.0e-5;
+    ie = ceil(d);
+    if( ie - d > 0.5) ie = ie -1;
+  }
+
+}; /* set_depth */
+
+/*********************************************************************
+   void create_realistic_topog( )
+   reading data from source data file topog_file and remap it onto current grid
+ ********************************************************************/
+void create_realistic_topog(int nx_dst, int ny_dst, const double *x_dst, const double *y_dst,
+			    const char* topog_file, const char* topog_field, double scale_factor,
+			    double fill_first_row, int filter_topog, int num_filter_pass,
+			    int smooth_topo_allow_deepening, int round_shallow, int fill_shallow,
+			    int deepen_shallow, double min_depth, double *depth )
+{
+  char xname[128], yname[128];
+  int nx_src, ny_src, nxp_src, nyp_src, i, j, count, n;
+  double *depth_src, *mask_src, *xt_src, *yt_src, *x_src, *y_src;
+  double *x_out, *y_out;
+  double missing;
+  int fid, vid;
+  
+  /* first read source topography data to get source grid and source topography */
+  fid = mpp_open(topog_file, MPP_READ);
+  vid = mpp_get_varid(fid, topog_field);
+  mpp_get_var_dimname(fid, vid, 1, xname);
+  mpp_get_var_dimname(fid, vid, 0, yname);
+  nx_src = mpp_get_dimlen( fid, xname );
+  ny_src = mpp_get_dimlen( fid, yname );
+  nxp_src = nx_src + 1;
+  nyp_src = ny_src + 1;
+  depth_src = (double *)malloc(nx_src*ny_src*sizeof(double));
+  mask_src = (double *)malloc(nx_src*ny_src*sizeof(double));
+  xt_src    = (double *)malloc(nx_src*sizeof(double));
+  yt_src    = (double *)malloc(ny_src*sizeof(double));
+  x_src    = (double *)malloc(nxp_src*nyp_src*sizeof(double)); 
+  y_src    = (double *)malloc(nxp_src*nyp_src*sizeof(double));
+
+  mpp_get_var_att(fid, vid, "missing_value", &missing);
+  mpp_get_var_value(fid, vid, depth_src);
+  vid = mpp_get_varid(fid, xname);
+  mpp_get_var_value(fid, vid, xt_src);
+  vid = mpp_get_varid(fid, yname);
+  mpp_get_var_value(fid, vid, yt_src);
+  mpp_close(fid);
+  
+  for(j=0; j<nyp_src; j++) {
+     for(i=1; i<nx_src; i++) x_src[j*nxp_src+i] = (xt_src[i-1] + xt_src[i])*0.5;
+     x_src[j*nxp_src] = 2*xt_src[0] - x_src[j*nxp_src+1];
+     x_src[j*nxp_src+nx_src] = 2*xt_src[nx_src-1] - x_src[j*nxp_src+nx_src-1];
+  }
+  for(i=0; i<nxp_src; i++) {
+    for(j=1; j<ny_src; j++) y_src[j*nxp_src+i] = (yt_src[j-1] + yt_src[j])*0.5;
+    y_src[i] = 2*yt_src[0] - y_src[nxp_src+i];
+    y_src[ny_src*nxp_src+i] = 2*yt_src[ny_src-1] - y_src[(ny_src-1)*nxp_src+i];
+  }
+    
+
+  for(i=0; i<nx_src*ny_src; i++) {
+    if(depth_src[i] == missing)
+      mask_src[i] = 0.0;
+    else {
+      depth_src[i] = depth_src[i]*scale_factor;
+      if( depth_src[i] <= 0.0)
+	mask_src[i] = 0.0;
+      else
+	mask_src[i] = 1.0;
+    }
+  }
+
+  /* scale grid to radius */
+  for(i=0; i<nxp_src*nyp_src; i++) {
+    x_src[i] = x_src[i]*D2R;
+    y_src[i] = y_src[i]*D2R;
+  }
+  x_out = (double *)malloc((nx_dst+1)*(ny_dst+1)*sizeof(double));
+  y_out = (double *)malloc((nx_dst+1)*(ny_dst+1)*sizeof(double));
+  for(i=0; i<(nx_dst+1)*(ny_dst+1); i++) {
+    x_out[i] = x_dst[i]*D2R;
+    y_out[i] = y_dst[i]*D2R;
+  }
+  
+  /* doing the conservative interpolation */
+  conserve_interp(nx_src, ny_src, nx_dst, ny_dst, x_src, y_src, x_out, y_out,
+		  mask_src, depth_src, depth );
+  
+  /* make first row of ocean model all land points for ice model */
+
+  if(fill_first_row) {
+    for(i=0;i<nx_dst;i++) {
+      depth[i] = 0.0;
+    }
+  }
+
+  if (filter_topog) filter_topo(nx_dst, ny_dst, num_filter_pass, smooth_topo_allow_deepening, depth);
+  /* enforce minimum depth when one of round_shallow, deepen_shallow or fill_shallow
+     is true ( At most one ).         */
+  count = 0;
+  if(round_shallow) count++;
+  if(fill_shallow) count++;
+  if(deepen_shallow) count++;
+  if(count > 1) mpp_error("topog: at most one of round_shallow/deepen_shallow/fill_shallow can be set to true");
+     
+  if(count>0) enforce_min_depth(nx_dst, ny_dst, round_shallow, deepen_shallow, fill_shallow,
+				min_depth, depth);
+
+  free(depth_src);
+  free(mask_src);
+  free(x_src);
+  free(y_src);
+  free(xt_src);
+  free(yt_src);
+  free(x_out);
+  free(y_out);
+  
+}; /* create_realistic_topog */
+
+
+/*********************************************************************
+
+    void filter_topo( int nx, int ny, int num_pass, double *depth)
+
+       smooth topographic depth "d" with "num_pass" applications of a 2D
+       version of a shapiro filter (weights = 1/4, 1/2, 1/4) . 
+       allow filtering to decrease the bottom depth but not increase it.
+       do not allow original geometry to change.
+       note: depth "d" should be on a grid of uniformly constant spacing
+
+********************************************************************/
+void filter_topo( int nx, int ny, int num_pass, int smooth_topo_allow_deepening, double *depth)
+{
+  double *rmask, *s;  
+  double f[9], d_old;
+  int n1, n2, i, j, n, m, ip, jp;
+  size_t *dims;
+  
+  rmask = (double *)malloc(nx*ny*sizeof(double));
+  s     = (double *)malloc(nx*ny*sizeof(double));
+
+  /* 2D symmetric filter weights */
+
+  f[0] = 1.0/16.0;
+  f[1] = 1.0/8.0;
+  f[2] = 1.0/16.0;
+  f[3] = 1.0/8.0;
+  f[4] = 1.0/4.0;
+  f[5] = 1.0/8.0;
+  f[6] = 1.0/16.0;
+  f[7] = 1.0/8.0;
+  f[8] = 1.0/16.0;
+  
+  /* geometry mask */
+  for(i=0; i<nx*ny; i++) {
+    if(depth[i] == 0.0)
+      rmask[i] = 0.0;
+    else
+      rmask[i] = 1.0;
+  }
+
+  for(n=1;n<=num_pass;n++) {
+    for(j=1;j<ny-1;j++) {
+      for(i=1;i<nx-1;i++) {
+	s[j*nx+i] = 0.0;
+	d_old = depth[j*nx+i];
+	for(ip=-1;ip<=1;ip++) {
+	  for(jp=-1;jp<=1;jp++) {
+	    m = (ip+1)*3 + jp+1;
+	    if (rmask[(j+jp)*nx+i+ip] == 0.0) 
+	      s[j*nx+i] = s[j*nx+i] + depth[j*nx+i]*f[m];
+            else
+	      s[j*nx+i] = s[j*nx+i] + depth[(j+jp)*nx+i+ip]*f[m];
+	  }
+	}
+	if (! smooth_topo_allow_deepening) {
+	  if (s[j*nx+i] > d_old)  s[j*nx+i] = d_old;
+	}
+	s[j*nx+i] = s[j*nx+i]*rmask[j*nx+i];
+      }
+    }
+    for(i=0; i<nx*ny; i++) depth[i] = s[i];
+  }
+  
+}; /* filter_topog */
+
+/*********************************************************************
+  void enforce_min_depth()
+  ! limit the minimum value of depth, depth should be >= min_depth. 
+ ********************************************************************/
+void enforce_min_depth(int nx, int ny, int round_shallow, int deepen_shallow,
+			   int fill_shallow, double min_depth, double *depth)
+{
+  int i, j, n, l;
+  
+  if(mpp_pe() == mpp_root_pe() ) printf(" Enforcing the minimum topography depth to be %f\n",min_depth);
+
+  n = 0;
+  if(round_shallow) {    
+    for(j=0;j<ny;j++){
+      for(i=0;i<nx;i++){
+	l = j*nx+i;
+	if (depth[l] != 0 && depth[l] < min_depth) {
+	  n = n + 1;
+	  if ( depth[l] < 0.5*min_depth) {
+	    printf("Making location i,j,depth= %d,%d,%f to land.\n",i, j, depth[l]);
+	    depth[l] = 0.0;
+	  }
+	  else {
+	    printf("Setting location i,j,depth= %d,%d,%f to minimum ocean depth.\n",i,j, depth[l]);
+	    depth[l] = min_depth;
+	  }
+	}
+      }
+    }
+  }
+  else if (fill_shallow) {
+    for(j=0;j<ny;j++){
+      for(i=0;i<nx;i++){
+	l = j*nx+i;
+	if (depth[l] != 0 && depth[l] < min_depth) {
+	  n = n + 1;
+	  printf("Making location i,j,depth= %d,%d,%f to land.\n",i, j, depth[l]);
+	  depth[l] = 0.0;
+	}
+      }
+    }
+  }
+  else if (deepen_shallow) {
+    for(j=0;j<ny;j++){
+      for(i=0;i<nx;i++){
+	l = j*nx+i;
+	if (depth[l] != 0 && depth[l] < min_depth) {
+	  n = n + 1;
+	  printf("Setting location i,j,depth= %d,%d,%f to minimum ocean depth.\n",i,j, depth[l]);
+	  depth[l] = min_depth;
+	}
+      }
+    }
+  }
+
+}; /* enforce_min_depth */
diff --git a/gridspec_tools_20080702/tools/shared/transfer_to_mosaic.c b/gridspec_tools_20080702/tools/shared/transfer_to_mosaic.c
new file mode 100644
index 0000000..fecdaf0
--- /dev/null
+++ b/gridspec_tools_20080702/tools/shared/transfer_to_mosaic.c
@@ -0,0 +1,1278 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include <string.h>
+#include <getopt.h>
+#include "constant.h"
+#include "mpp.h"
+#include "mpp_domain.h"
+#include "mpp_io.h"
+
+const int MAXBOUNDS = 100;
+const int STRINGLEN = 255;
+
+const int MAXTILE = 100;
+const int MAXCONTACT = 100;
+const int SHORTSTRING = 32;
+const char mosaic_version[] = "0.2";
+
+#define PI M_PI
+  
+double *x, *y, *dx, *dy, *area, *angle_dx, *angle_dy; 
+int nx, ny, nxp, nyp;
+char *old_file = NULL;
+
+int main(int argc, char* argv[])
+{
+/* ----------------------------- */
+  extern char *optarg;
+  char *pch=NULL, history[512], entry[1280];
+  char tilefile[MAXTILE][STRING], tiletype[MAXTILE][SHORTSTRING];
+  char tile_name[MAXTILE][STRING];
+  int ntiles=0, nfiles=0, ncontact=0;
+  double periodx=0, periody=0;
+  int contact_tile1[MAXCONTACT], contact_tile2[MAXCONTACT];
+  int contact_tile1_istart[MAXCONTACT], contact_tile1_iend[MAXCONTACT];
+  int contact_tile1_jstart[MAXCONTACT], contact_tile1_jend[MAXCONTACT];
+  int contact_tile2_istart[MAXCONTACT], contact_tile2_iend[MAXCONTACT];
+  int contact_tile2_jstart[MAXCONTACT], contact_tile2_jend[MAXCONTACT];
+  char mosaic_name[128] = "atmos_mosaic";
+  char mosaic_dir[256]  = "./" ;
+  char grid_descriptor[128] = "";
+  int c, i, n, m, l, errflg, check=0;
+
+  char atmos_name[128]="atmos", land_name[128]="land", ocean_name[128]="ocean";
+  char agrid_file[128], lgrid_file[128], ogrid_file[128];
+
+  int is_coupled_grid = 0, is_ocean_only =1; 
+  int interp_order=1;
+  
+  int option_index;
+  static struct option long_options[] = {
+    {"input_file",       required_argument, NULL, 'o'},
+    {"mosaic_dir",       required_argument, NULL, 'd'},    
+    {NULL, 0, NULL, 0}
+  };
+
+/* ----------------------------- */
+
+  mpp_init(&argc, &argv); /* Initilize */ 
+  //mpp_domain_init();  
+
+  while ((c = getopt_long(argc, argv, "h", long_options, &option_index) ) != -1)
+    switch (c) {
+      case 'o':
+	old_file = optarg;
+	break;
+      case 'd':
+        strcpy(mosaic_dir, optarg);
+	break;
+    }
+
+  if(!old_file) mpp_error("Usage:\n \t \t transfer_to_mosaic --input_file input_file.nc");
+  if(mpp_field_exist(old_file, "AREA_ATMxOCN") ) is_coupled_grid = 1;
+  if(mpp_field_exist(old_file, "AREA_ATM") ) is_ocean_only = 0;
+  if(mpp_field_exist(old_file, "DI_ATMxOCN") ) interp_order= 2;
+// -----------------ocean_hgrid.nc---------------------------------[
+// Ocean
+{
+  int nx_C, ny_C, nx_T, ny_T, nvertex;
+  int fid_old, vid;
+  
+  double *x_C, *y_C, *x_T, *y_T;
+  double *x_vert_T, *y_vert_T;
+
+
+  double *ds_00_02_C, *ds_00_20_C, *ds_01_11_C, *ds_01_21_C, *ds_02_22_C, 
+         *ds_10_11_C, *ds_10_12_C, *ds_11_21_C, *ds_11_12_C, *ds_20_22_C, 
+         *ds_01_11_T, *ds_01_21_T, *ds_02_22_T, *ds_10_11_T, *ds_10_12_T, 
+         *ds_11_12_T, *ds_11_21_T, *ds_20_22_T, 
+         *ds_01_21_E, *ds_10_12_N, *angle_C; 
+
+ 
+  int i,j,k, i1, i2, j1, j2, k0, k1, k2, k3;
+  int ji, ji0, ji1, ji2, ji3;
+  int j1i1, j1i2, j2i1, j2i2; 
+  double unknown = 0.0; /* double unknown = -1.0E+10; */
+
+  fid_old = mpp_open(old_file, MPP_READ);
+  nx_C = mpp_get_dimlen(fid_old, "grid_x_C");
+  ny_C = mpp_get_dimlen(fid_old, "grid_y_C");
+  nx_T = mpp_get_dimlen(fid_old, "grid_x_T");
+  ny_T = mpp_get_dimlen(fid_old, "grid_y_T");
+  nvertex = mpp_get_dimlen(fid_old, "vertex");
+
+  printf("\nReading file: %s \n", old_file); 
+
+
+/* Reading Ocean Grid Variables */
+  x_C = (double *) malloc(ny_C * nx_C * sizeof(double)); 
+  y_C = (double *) malloc(ny_C * nx_C * sizeof(double));
+  x_T = (double *) malloc(ny_T * nx_T * sizeof(double));
+  y_T = (double *) malloc(ny_T * nx_T * sizeof(double));
+  x_vert_T = (double *) malloc(nvertex*ny_T*nx_T*sizeof(double));
+  y_vert_T = (double *) malloc(nvertex*ny_T*nx_T*sizeof(double));
+  ds_01_11_C = (double *) malloc(ny_C * nx_C * sizeof(double)); 
+  ds_10_11_C = (double *) malloc(ny_C * nx_C * sizeof(double)); 
+  ds_11_21_C = (double *) malloc(ny_C * nx_C * sizeof(double)); 
+  ds_11_12_C = (double *) malloc(ny_C * nx_C * sizeof(double)); 
+  ds_01_11_T = (double *) malloc(ny_T * nx_T * sizeof(double));  
+  ds_10_11_T = (double *) malloc(ny_T * nx_T * sizeof(double));  
+  ds_11_12_T = (double *) malloc(ny_T * nx_T * sizeof(double));  
+  ds_11_21_T = (double *) malloc(ny_T * nx_T * sizeof(double));
+  ds_02_22_T = (double *) malloc(ny_T * nx_T * sizeof(double));  
+  ds_20_22_T = (double *) malloc(ny_T * nx_T * sizeof(double));
+  angle_C    = (double *) malloc(ny_C * nx_C * sizeof(double));
+  
+  vid = mpp_get_varid(fid_old, "x_C"); mpp_get_var_value(fid_old, vid, x_C);
+  vid = mpp_get_varid(fid_old, "y_C"); mpp_get_var_value(fid_old, vid, y_C);
+  vid = mpp_get_varid(fid_old, "x_T"); mpp_get_var_value(fid_old, vid, x_T);
+  vid = mpp_get_varid(fid_old, "y_T"); mpp_get_var_value(fid_old, vid, y_T);
+  vid = mpp_get_varid(fid_old, "x_vert_T"); mpp_get_var_value(fid_old, vid, x_vert_T);
+  vid = mpp_get_varid(fid_old, "y_vert_T"); mpp_get_var_value(fid_old, vid, y_vert_T);
+  vid = mpp_get_varid(fid_old, "ds_01_11_C"); mpp_get_var_value(fid_old, vid, ds_01_11_C);  
+  vid = mpp_get_varid(fid_old, "ds_10_11_C"); mpp_get_var_value(fid_old, vid, ds_10_11_C);
+  vid = mpp_get_varid(fid_old, "ds_11_21_C"); mpp_get_var_value(fid_old, vid, ds_11_21_C);    
+  vid = mpp_get_varid(fid_old, "ds_11_12_C"); mpp_get_var_value(fid_old, vid, ds_11_12_C);
+  vid = mpp_get_varid(fid_old, "ds_01_11_T"); mpp_get_var_value(fid_old, vid, ds_01_11_T);  
+  vid = mpp_get_varid(fid_old, "ds_10_11_T"); mpp_get_var_value(fid_old, vid, ds_10_11_T);
+  vid = mpp_get_varid(fid_old, "ds_11_21_T"); mpp_get_var_value(fid_old, vid, ds_11_21_T);    
+  vid = mpp_get_varid(fid_old, "ds_11_12_T"); mpp_get_var_value(fid_old, vid, ds_11_12_T);  
+  vid = mpp_get_varid(fid_old, "ds_02_22_T"); mpp_get_var_value(fid_old, vid, ds_02_22_T);    
+  vid = mpp_get_varid(fid_old, "ds_20_22_T"); mpp_get_var_value(fid_old, vid, ds_20_22_T);  
+  vid = mpp_get_varid(fid_old, "angle_C"); mpp_get_var_value(fid_old, vid, angle_C);  
+  mpp_close(fid_old);
+  
+  nx = 2*nx_T;  nxp = nx +1;
+  ny = 2*ny_T;  nyp = ny +1;
+  x = (double *) malloc(nxp*nyp * sizeof(double));
+  y = (double *) malloc(nxp*nyp* sizeof(double));
+  dx = (double *) malloc(nx*nyp * sizeof(double));
+  dy = (double *) malloc(nxp*ny * sizeof(double));
+  area = (double *) malloc(nx*ny * sizeof(double));
+  angle_dx = (double *) malloc(nxp*nyp * sizeof(double));
+
+  for(j = 0; j<ny_T; j++) {
+  for(i = 0; i<nx_T; i++) {
+
+	i2=2*(i+1); i1=i2-1;   j2=2*(j+1); j1=j2-1;
+
+  	j1i1=j1*nxp+i1; j1i2=j1*nxp+i2; j2i2=j2*nxp+i2; j2i1=j2*nxp+i1; 
+	ji=j*nx_T+i;
+	ji0=ji; ji1=ji0+nx_T*ny_T; ji2=ji1+nx_T*ny_T; ji3=ji2+nx_T*ny_T;
+
+        x[j1i1] = x_T[ji];
+        x[j1i2] = 0.5*(x_vert_T[ji1]+x_vert_T[ji2]);
+        x[j2i2] = x_vert_T[ji2];
+        x[j2i1] = 0.5*(x_vert_T[ji3]+x_vert_T[ji2]);
+
+        y[j1i1] = y_T[ji];
+        y[j1i2] = 0.5*(y_vert_T[ji1]+y_vert_T[ji2]);
+        y[j2i2] = y_vert_T[ji2];
+        y[j2i1] = 0.5*(y_vert_T[ji3]+y_vert_T[ji2]);
+
+/*      Mapping distance to new mosaic grid format from old grid
+
+	       dx(1,1)=                  dx(2,1)=           
+   Ci-1,j------ds_11_21_C(i-1,j)---+-----ds_01_11_C(i,j)--------Ci,j
+	|                          |                            |
+	|                          |                            |
+	|                          |                            |
+	|                     ds_11_12_T                   ds_10_11_C(i,j)
+	|                          |                            |
+	|         dx(1,1)=         |          dx(2,1)=          |
+	+---------ds_01_11_T------Tij---------ds_11_21_T--------+
+	|                          |                            |
+	|                          |                            |
+	|                          |                            |
+	|                     ds_11_12_T                   ds_11_12_C(i,j-1)
+	|                          |                            |
+	|                          |                            |
+ Ci-1,j-1--------------------------+----------------------------Ci,j-1
+
+*/
+	dx[(2*j+1)*nx  + (2*i)]   = ds_01_11_T[j*nx_T + i];
+	dx[(2*j+1)*nx  + (2*i+1)] = ds_11_21_T[j*nx_T + i];
+	if(i>0) dx[(2*j+2)*nx  + (2*i)]   = ds_11_21_C[j*nx_T + (i-1)];
+	dx[(2*j+2)*nx  + (2*i+1)] = ds_01_11_C[j*nx_T + i];
+
+	dy[(2*j  )*nxp + (2*i+1)]   = ds_10_11_T[j*nx_T + i];
+	if(j>0) dy[(2*j  )*nxp + (2*i+2)]   = ds_11_12_C[(j-1)*nx_T + i];
+	dy[(2*j+1)*nxp + (2*i+1)]   = ds_11_12_T[j*nx_T + i];
+	dy[(2*j+1)*nxp + (2*i+2)]   = ds_10_11_C[j*nx_T + i];
+
+	angle_dx[(2*j+1)*nxp + 2*i+1] = unknown;
+	angle_dx[(2*j+1)*nxp + 2*i+2] = unknown;
+	angle_dx[(2*j+2)*nxp + 2*i+1] = unknown;
+	angle_dx[(2*j+2)*nxp + 2*i+2] = angle_C[j*nx_C + i ]; 
+
+	if (j==0) {
+           x[i1] = 0.5*(x_vert_T[ji0]+x_vert_T[ji1]);
+           x[i2] = x_vert_T[ji1];
+           y[i1] = 0.5*(y_vert_T[ji0]+y_vert_T[ji1]);
+           y[i2] = y_vert_T[ji1];
+
+	   dx[ (2*i+0)] = unknown;
+	   dx[ (2*i+1)] = unknown;
+	   /* dy[(2*j  )*nxp + (2*i+2)]   = unknown; */
+	   dy[(2*j  )*nxp + (2*i+2)]   = ds_20_22_T[j*nx_T + i] - ds_10_11_C[j*nx_T + i];
+
+	   angle_dx[2*i+1] = unknown;
+	   angle_dx[2*i+2] = unknown;
+	}
+
+	if (i==0) {
+           x[j1*nxp] = 0.5*(x_vert_T[ji0]+x_vert_T[ji3]);
+           x[j2*nxp] = x_vert_T[ji3];
+           y[j1*nxp] = 0.5*(y_vert_T[ji0]+y_vert_T[ji3]);
+           y[j2*nxp] = y_vert_T[ji3];
+
+	   /* dx[(2*j+2)*nx  + (2*i)]   = unknown;*/
+	   dx[(2*j+2)*nx  + (2*i)]   = ds_02_22_T[j*nx_T + i] - ds_01_11_C[j*nx_T + i];
+	   dy[(2*j  )*nxp ]    = unknown;
+	   dy[(2*j+1)*nxp ]    = unknown;
+
+  	   angle_dx[(2*j+1)*nxp] = unknown;
+  	   angle_dx[(2*j+2)*nxp] = unknown;
+	}
+	if (i==0 && j==0) {
+           x[0] = x_vert_T[ji0]; y[0] = y_vert_T[ji0];
+  	   angle_dx[0] = unknown;
+	}
+
+  }
+  }
+
+  //for(j = 0; j<nyp; j++) { for(i = 0; i<nxp; i++) { if(angle_dx[j*nxp+i]>0.0) printf("%d %d %f\n ",i,j,angle_dx[j*nxp+i]); } }
+  //for(j = 0; j<ny_T; j++) { printf("%f ",y_C[j*nx_T+(nx_T+0)/4]); }
+  //for(i = 0; i<nx_T; i++) { if(y_T[(ny_T-1)*nx_T+i]>85.) printf("%f ",y_T[(ny_T-1)*nx_T+i]); }
+  //printf("\n\n");
+  //for(j = 0; j<nyp; j++) { printf("%f ",y[j*nxp+(nxp-1)/4]); }
+  //for(i = 0; i<nxp; i++) { if(y[(nyp-1)*nxp+i]>85.) printf("%f ",y[(nyp-1)*nxp+i]); }
+
+
+  /* write ocean-grid data */
+  /*-------ocean_hgrid.nc-------*/
+  {
+    int fid, id_tile, id_x, id_y, id_dx, id_dy, id_area, id_angle_dx, id_angle_dy, id_arcx;
+    int dimlist[5], dims[2], i, j, l, ni, nj, nip, njp;
+    char tile_spec_version[] = "0.2", geometry[] = "spherical", discretization[] = "logically_rectangular", conformal[]="true";
+    char outfile[128] = "", tilename[128]="";
+    size_t start[4], nwrite[4];
+    
+	  sprintf(outfile, "%s_hgrid.nc",ocean_name);
+	  printf("Writing %s\n", outfile);
+          printf("\t nx_C=%d, ny_C=%d, x_T=%d, ny_T=%d \n", nx_C, ny_C,nx_T, ny_T); 
+          sprintf(tilename, "tile%d", 1);
+          fid = mpp_open(outfile, MPP_WRITE);
+
+          dimlist[0] = mpp_def_dim(fid, "string", STRINGLEN);
+          dimlist[1] = mpp_def_dim(fid, "nxp", nxp);
+          dimlist[2] = mpp_def_dim(fid, "nyp", nyp);
+          dimlist[3] = mpp_def_dim(fid, "nx", nx);
+          dimlist[4] = mpp_def_dim(fid, "ny", ny);
+
+          id_tile = mpp_def_var(fid, "tile", MPP_CHAR, 1, dimlist, 5, "standard_name", "grid_tile_spec",
+                                "tile_spec_version", tile_spec_version, "geometry", geometry,
+                                "discretization", discretization, "conformal", conformal );
+
+
+          dims[0] = dimlist[2]; dims[1] = dimlist[1];
+          id_x = mpp_def_var(fid, "x", MPP_DOUBLE, 2, dims, 2, "standard_name", "geographic_longitude",
+                             "units", "degree_east");
+          id_y = mpp_def_var(fid, "y", MPP_DOUBLE, 2, dims, 2, "standard_name", "geographic_latitude",
+                             "units", "degree_north");
+
+          dims[0] = dimlist[2]; dims[1] = dimlist[3];
+          id_dx = mpp_def_var(fid, "dx", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_edge_x_distance",
+                             "units", "meters");
+          dims[0] = dimlist[4]; dims[1] = dimlist[1];
+          id_dy = mpp_def_var(fid, "dy", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_edge_y_distance",
+                             "units", "meters");
+
+          dims[0] = dimlist[2]; dims[1] = dimlist[1];
+          id_angle_dx= mpp_def_var(fid, "angle_dx", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_vertex_x_angle_WRT_geographic_east",
+                             "units", "degrees_east");
+
+          dims[0] = dimlist[4]; dims[1] = dimlist[3];
+          id_area= mpp_def_var(fid, "area", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_cell_area",
+                             "units", "m2");
+
+          mpp_end_def(fid);
+
+	  for(i=0; i<4; i++) { start[i] = 0; nwrite[i] = 0; }
+	  nwrite[0] = strlen(tilename);
+	  mpp_put_var_value_block(fid, id_tile, start, nwrite, tilename );
+          mpp_put_var_value(fid, id_x, x);
+          mpp_put_var_value(fid, id_y, y);
+          mpp_put_var_value(fid, id_dx, dx);
+          mpp_put_var_value(fid, id_dy, dy);
+          mpp_put_var_value(fid, id_angle_dx, angle_dx);
+          mpp_close(fid);
+  }
+}
+// ----------------------------------------------------------------]
+// -----------------atmos_hgrid.nc---------------------------------[
+// Atmosphere
+  int nxba, nyba, nxta, nyta, nxap, nyap;
+if(is_coupled_grid) {
+  double *x_atmos, *y_atmos;
+  double *xba, *yba, *xta, *yta;
+  int i,j, fid_old, vid;
+
+  fid_old = mpp_open(old_file, MPP_READ);
+  nxba = mpp_get_dimlen(fid_old, "xba");
+  nyba = mpp_get_dimlen(fid_old, "yba");
+  nxta = mpp_get_dimlen(fid_old, "xta");
+  nyta = mpp_get_dimlen(fid_old, "yta");
+  xba = (double *) malloc(nxba * sizeof(double)); 
+  yba = (double *) malloc(nyba * sizeof(double)); 
+  xta = (double *) malloc(nxta * sizeof(double)); 
+  yta = (double *) malloc(nyta * sizeof(double)); 
+  vid = mpp_get_varid(fid_old, "xba"); mpp_get_var_value(fid_old, vid, xba);
+  vid = mpp_get_varid(fid_old, "yba"); mpp_get_var_value(fid_old, vid, yba);
+  vid = mpp_get_varid(fid_old, "xta"); mpp_get_var_value(fid_old, vid, xta);
+  vid = mpp_get_varid(fid_old, "yta"); mpp_get_var_value(fid_old, vid, yta);
+  mpp_close(fid_old);
+  
+  nxap = nxba + nxta; nyap = nyba + nyta; 
+  x_atmos = (double *) malloc(nxap*nyap * sizeof(double));
+  y_atmos = (double *) malloc(nxap*nyap * sizeof(double));
+
+  for(i = 0; i<nxba; i++) x_atmos[2*i]   = xba[i]; for(i = 0; i<nxta; i++) x_atmos[2*i+1]   = xta[i]; 
+
+  for(j = 0; j<nyba; j++) y_atmos[2*j*nxap]   = yba[j]; 
+  for(j = 0; j<nyta; j++) y_atmos[(2*j+1)*nxap]   = yta[j]; 
+
+  for(j = 1; j<nyap; j++) for(i = 0; i<nxap; i++) x_atmos[j*nxap + i]   = x_atmos[i];
+  for(i = 1; i<nxap; i++) for(j = 0; j<nyap; j++) y_atmos[j*nxap + i]   = y_atmos[j*nxap];
+
+  /* write Atmosphere-grid data */
+  {
+    int fid, id_tile, id_x, id_y, id_dx, id_dy, id_area, id_angle_dx, id_angle_dy, id_arcx;
+    int dimlist[5], dims[2], i, j, l, ni, nj, nip, njp;
+    char tile_spec_version[] = "0.2", geometry[] = "spherical", discretization[] = "logically_rectangular", conformal[]="true";
+    char outfile[128] = "", tilename[128]="";
+    size_t start[4], nwrite[4];
+    
+          sprintf(outfile, "%s_hgrid.nc", atmos_name);
+	  printf("Writing %s\n", outfile);
+          printf("\t nxba=%d, nyba=%d, nxta=%d, nyta=%d \n", nxba, nyba,nxta, nyta); 
+
+          sprintf(tilename, "tile%d", 1);
+          fid = mpp_open(outfile, MPP_WRITE);
+          dimlist[0] = mpp_def_dim(fid, "string", STRINGLEN);
+          dimlist[1] = mpp_def_dim(fid, "nxp", nxap);
+          dimlist[2] = mpp_def_dim(fid, "nyp", nyap);
+          dimlist[3] = mpp_def_dim(fid, "nx", nxap-1);
+          dimlist[4] = mpp_def_dim(fid, "ny", nyap-1);
+          id_tile = mpp_def_var(fid, "tile", MPP_CHAR, 1, dimlist, 5, "standard_name", "grid_tile_spec", "tile_spec_version", 
+			tile_spec_version, "geometry", geometry, "discretization", discretization, "conformal", conformal );
+          dims[0] = dimlist[2]; dims[1] = dimlist[1];
+          id_x = mpp_def_var(fid, "x", MPP_DOUBLE, 2, dims, 2, "standard_name", "geographic_longitude", "units", "degree_east");
+          id_y = mpp_def_var(fid, "y", MPP_DOUBLE, 2, dims, 2, "standard_name", "geographic_latitude", "units", "degree_north");
+
+          /* Following variables are not defined */
+          dims[0] = dimlist[2]; dims[1] = dimlist[3];
+          id_dx = mpp_def_var(fid, "dx", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_edge_x_distance", "units", "meters");
+          dims[0] = dimlist[4]; dims[1] = dimlist[1];
+          id_dy = mpp_def_var(fid, "dy", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_edge_y_distance", "units", "meters");
+          dims[0] = dimlist[2]; dims[1] = dimlist[1];
+          id_angle_dx= mpp_def_var(fid, "angle_dx", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_vertex_x_angle_WRT_geographic_east",
+                             "units", "degrees_east");
+          dims[0] = dimlist[4]; dims[1] = dimlist[3];
+          id_angle_dx= mpp_def_var(fid, "area", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_cell_area", "units", "m2");
+	  /* ------------------------------------------- */
+          mpp_end_def(fid);
+	  for(i=0; i<4; i++) { start[i] = 0; nwrite[i] = 0; }
+	  nwrite[0] = strlen(tilename);
+          mpp_put_var_value_block(fid, id_tile, start, nwrite, tilename );
+          mpp_put_var_value(fid, id_x, x_atmos);
+          mpp_put_var_value(fid, id_y, y_atmos);
+          mpp_close(fid);
+  }
+  free(xba); free(yba); free(xta); free(yta);  free(x_atmos); free(y_atmos);
+}
+// ----------------------------------------------------------------]
+
+//.................. Land .......................
+//..................land_hgrid.nc................
+ int nxbl, nybl, nxtl, nytl,  nxlp, nylp;
+if(is_coupled_grid){
+  double *x_land, *y_land;
+  double *xbl, *ybl, *xtl, *ytl;
+  int i,j, fid_old, vid;
+
+  fid_old = mpp_open(old_file, MPP_READ);
+  
+  nxbl = mpp_get_dimlen(fid_old, "xbl");
+  nybl = mpp_get_dimlen(fid_old, "ybl");
+  nxtl = mpp_get_dimlen(fid_old, "xtl");
+  nytl = mpp_get_dimlen(fid_old, "ytl");
+  xbl = (double *) malloc(nxbl * sizeof(double)); 
+  ybl = (double *) malloc(nybl * sizeof(double)); 
+  xtl = (double *) malloc(nxtl * sizeof(double)); 
+  ytl = (double *) malloc(nytl * sizeof(double)); 
+  vid = mpp_get_varid(fid_old, "xbl"); mpp_get_var_value(fid_old, vid, xbl);
+  vid = mpp_get_varid(fid_old, "ybl"); mpp_get_var_value(fid_old, vid, ybl);
+  vid = mpp_get_varid(fid_old, "xtl"); mpp_get_var_value(fid_old, vid, xtl);
+  vid = mpp_get_varid(fid_old, "ytl"); mpp_get_var_value(fid_old, vid, ytl);
+  mpp_close(fid_old);
+  
+  nxlp = nxbl + nxtl; nylp = nybl + nytl; 
+  x_land  = (double *) malloc(nxlp*nylp * sizeof(double));
+  y_land  = (double *) malloc(nxlp*nylp * sizeof(double));
+  
+  for(i = 0; i<nxbl; i++) x_land[2*i]   = xbl[i]; 
+  for(i = 0; i<nxtl; i++) x_land[2*i+1]   = xtl[i]; 
+
+  for(j = 0; j<nybl; j++) y_land[2*j*nxlp]   = ybl[j]; 
+  for(j = 0; j<nytl; j++) y_land[(2*j+1)*nxlp]   = ytl[j]; 
+
+  for(j = 1; j<nylp; j++) for(i = 0; i<nxlp; i++) x_land[j*nxlp + i]   = x_land[i];
+
+  for(i = 1; i<nxlp; i++) 
+	for(j = 0; j<nylp; j++) 
+		y_land[j*nxlp + i]   = y_land[j*nxlp];
+
+  /* write Land-grid data */
+  {
+    int fid, id_tile, id_x, id_y, id_dx, id_dy, id_area, id_angle_dx, id_angle_dy, id_arcx;
+    int dimlist[5], dims[2], i, j, l, ni, nj, nip, njp;
+    char tile_spec_version[] = "0.2", geometry[] = "spherical", discretization[] = "logically_rectangular", conformal[]="true";
+    char outfile[128] = "", tilename[128]="";
+    size_t start[4], nwrite[4];
+    
+          sprintf(outfile, "%s_hgrid.nc",land_name);
+	  printf("Writing %s\n", outfile);
+          printf("\t nxbl=%d, nybl=%d, nxtl=%d, nytl=%d \n", nxbl, nybl,nxtl, nytl); 
+
+          sprintf(tilename, "tile%d", 1);
+        fid = mpp_open(outfile, MPP_WRITE);
+          dimlist[0] = mpp_def_dim(fid, "string", STRINGLEN);
+          dimlist[1] = mpp_def_dim(fid, "nxp", nxlp);
+          dimlist[2] = mpp_def_dim(fid, "nyp", nylp);
+          dimlist[3] = mpp_def_dim(fid, "nx", nxlp-1);
+          dimlist[4] = mpp_def_dim(fid, "ny", nylp-1);
+          id_tile = mpp_def_var(fid, "tile", MPP_CHAR, 1, dimlist, 5, "standard_name", "grid_tile_spec", "tile_spec_version", 
+			tile_spec_version, "geometry", geometry, "discretization", discretization, "conformal", conformal );
+          dims[0] = dimlist[2]; dims[1] = dimlist[1];
+          id_x = mpp_def_var(fid, "x", MPP_DOUBLE, 2, dims, 2, "standard_name", "geographic_longitude", "units", "degree_east");
+          id_y = mpp_def_var(fid, "y", MPP_DOUBLE, 2, dims, 2, "standard_name", "geographic_latitude", "units", "degree_north");
+
+          /* Following variables are not defined */
+          dims[0] = dimlist[2]; dims[1] = dimlist[3];
+          id_dx = mpp_def_var(fid, "dx", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_edge_x_distance", "units", "meters");
+          dims[0] = dimlist[4]; dims[1] = dimlist[1];
+          id_dy = mpp_def_var(fid, "dy", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_edge_y_distance", "units", "meters");
+          dims[0] = dimlist[2]; dims[1] = dimlist[1];
+          id_angle_dx= mpp_def_var(fid, "angle_dx", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_vertex_x_angle_WRT_geographic_east",
+                             "units", "degrees_east");
+          dims[0] = dimlist[4]; dims[1] = dimlist[3];
+          id_angle_dx= mpp_def_var(fid, "area", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_cell_area", "units", "m2");
+          /* ------------------------------------------- */
+
+          mpp_end_def(fid);
+	  for(i=0; i<4; i++) { start[i] = 0; nwrite[i] = 0; }
+	  nwrite[0] = strlen(tilename);
+          mpp_put_var_value_block(fid, id_tile, start, nwrite, tilename );
+          mpp_put_var_value(fid, id_x, x_land);
+          mpp_put_var_value(fid, id_y, y_land);
+          mpp_close(fid);
+  }
+  free(xbl); free(ybl); free(xtl); free(ytl);  free(x_land); free(y_land);
+}
+//-------------------------------ocean_vgrid.nc----------------------------------
+{ 
+  double *z, *zb, *zt;
+  int nzb, nzt, nz, i,j, fid_old, vid;
+
+  fid_old = mpp_open(old_file, MPP_READ);
+  nzb = mpp_get_dimlen(fid_old, "zb");
+  nzt = mpp_get_dimlen(fid_old, "zt");
+  zb = (double *) malloc(nzb * sizeof(double)); 
+  zt = (double *) malloc(nzt * sizeof(double)); 
+  vid = mpp_get_varid(fid_old, "zb"); mpp_get_var_value(fid_old, vid, zb);
+  vid = mpp_get_varid(fid_old, "zt"); mpp_get_var_value(fid_old, vid, zt);
+  mpp_close(fid_old);
+  
+  nz = nzb + nzt + 1; 
+  z = (double *) malloc(nz * sizeof(double));
+  z[0]=0.0; 
+  for(i = 0; i<nzt; i++) { z[2*i + 1]   = zt[i]; z[2*i+2]   = zb[i]; } 
+
+  {
+    int fid, dim, varid;
+    char outfile[128] = "";
+
+    	sprintf(outfile, "%s_vgrid.nc",ocean_name);
+	printf("Writing %s\n", outfile);
+        printf("\t nzb=%d, nzt=%d\n", nzb, nzt); 
+
+    	fid = mpp_open(outfile, MPP_WRITE);
+    	  dim  = mpp_def_dim(fid, "nzv", nz);
+    	  varid = mpp_def_var(fid, "zeta", MPP_DOUBLE, 1, &dim, 2, "standard_name", "vertical_grid_vertex", "units", "meters");
+    	  mpp_end_def(fid);
+    	  mpp_put_var_value(fid, varid, z);
+    	mpp_close(fid);
+  }
+  free(zb); free(zt); free(z);
+}
+
+
+//-------------------------------topog.nc----------------------------------
+{ 
+  double *depth_t;
+  int nx, ny, ntiles, i,j, fid_old, vid;
+
+  fid_old = mpp_open(old_file, MPP_READ);  
+  nx= mpp_get_dimlen(fid_old, "grid_x_T");
+  ny= mpp_get_dimlen(fid_old, "grid_y_T");
+  depth_t= (double *) malloc(nx*ny* sizeof(double));
+  vid = mpp_get_varid(fid_old, "depth_t");  mpp_get_var_value(fid_old, vid, depth_t);
+  mpp_close(fid_old);
+  
+  {
+    int fid, dim[2], varid, ntiles = 1, dim_ntile;
+    char outfile[128] = "";
+        sprintf(outfile, "topog.nc");
+	printf("Writing %s\n", outfile);
+        printf("\t nx=%d, ny=%d\n", nx, ny);
+        fid = mpp_open(outfile, MPP_WRITE);
+	dim_ntile = mpp_def_dim(fid, "ntiles", 1);
+          dim[1]  = mpp_def_dim(fid, "nx", nx);
+          dim[0]  = mpp_def_dim(fid, "ny", ny);
+          varid = mpp_def_var(fid, "depth", MPP_DOUBLE, 2, dim, 2, "standard_name", "topographic depth at T-cell centers", "units", "meters");
+          mpp_end_def(fid);
+          mpp_put_var_value(fid, varid, depth_t);
+        mpp_close(fid);
+  }
+  free(depth_t); 
+}
+
+//................atmos_mosaic.nc............................
+ if(is_coupled_grid)  {
+    char str[STRING], outfile[STRING];
+    int fid, dim_ntiles, dim_ncontact, dim_string, id_mosaic, id_gridtiles, id_contacts;
+    int id_contact_index, id_griddir, id_gridfiles, dim[2];
+
+    size_t start[4], nwrite[4];
+
+//--------Initilize values --------------
+    ntiles = 1, ncontact = 0; 
+
+    sprintf(mosaic_name, "%s_mosaic",atmos_name);
+    sprintf(outfile, "%s.nc", mosaic_name);
+    printf("Writing %s\n", outfile);
+
+    sprintf(tile_name[0], "tile%d", 1);
+    sprintf(tilefile[0], "%s_hgrid.nc",atmos_name);
+    fid = mpp_open(outfile, MPP_WRITE);
+
+    contact_tile1_istart[0]=nxba-1; contact_tile1_iend[0]=nxba-1; 
+    contact_tile1_jstart[0]=1; contact_tile1_jend[0]=nyba-1; 
+
+    contact_tile2_istart[0]=1; contact_tile2_iend[0]=1; 
+    contact_tile2_jstart[0]=1; contact_tile2_jend[0]=nyba-1;
+//--------Initilize values --------------
+
+    dim_ntiles = mpp_def_dim(fid, "ntiles", ntiles);
+    if(ncontact>0) dim_ncontact = mpp_def_dim(fid, "ncontact", ncontact);
+    dim_string = mpp_def_dim(fid, "string", STRING);
+
+    id_mosaic = mpp_def_var(fid, "mosaic", MPP_CHAR, 1, &dim_string, 5, "standard_name",
+                            "grid_mosaic_spec", "mosaic_spec_version", mosaic_version,
+                            "children", "gridtiles", "contact_regions", "contacts",
+                            "grid_descriptor", grid_descriptor);
+    dim[0] = dim_ntiles; dim[1] = dim_string;
+    id_griddir   = mpp_def_var(fid, "gridlocation", MPP_CHAR, 1, &dim[1], 1,
+                               "standard_name", "grid_file_location");
+    id_gridfiles = mpp_def_var(fid, "gridfiles", MPP_CHAR, 2, dim, 0);
+    id_gridtiles = mpp_def_var(fid, "gridtiles", MPP_CHAR, 2, dim, 0);
+
+    if(ncontact>0) {
+      dim[0] = dim_ncontact; dim[1] = dim_string;
+      id_contacts = mpp_def_var(fid, "contacts", MPP_CHAR, 2, dim, 5, "standard_name", "grid_contact_spec",
+                                "contact_type", "boundary", "alignment", "true",
+                                "contact_index", "contact_index", "orientation", "orient");
+      id_contact_index = mpp_def_var(fid, "contact_index", MPP_CHAR, 2, dim, 1, "standard_name",
+                                     "starting_ending_point_index_of_contact");
+
+    }
+
+    //mpp_def_global(fid, "history", history);
+    mpp_end_def(fid);
+
+    /* write out data */
+    for(i=0; i<4; i++) {
+      start[i] = 0; nwrite[i] = 1;
+    }
+    nwrite[0] = strlen(mosaic_name);
+    mpp_put_var_value_block(fid, id_mosaic, start, nwrite, mosaic_name);
+    nwrite[0] = strlen(mosaic_dir);
+    mpp_put_var_value_block(fid, id_griddir, start, nwrite, mosaic_dir);
+    nwrite[0] = 1;
+    for(n=0; n<ntiles; n++) {
+      start[0] = n; nwrite[1] = strlen(tile_name[n]);
+      mpp_put_var_value_block(fid, id_gridtiles, start, nwrite, tile_name[n]);
+      nwrite[1] = strlen(tilefile[n]);
+      mpp_put_var_value_block(fid, id_gridfiles, start, nwrite, tilefile[n]);
+    }
+
+    for(n=0; n<ncontact; n++) {
+      sprintf(str,"%s:%s::%s:%s", mosaic_name, tile_name[contact_tile1[n]], mosaic_name,
+              tile_name[contact_tile2[n]]);
+      start[0] = n; nwrite[1] = strlen(str);
+      mpp_put_var_value_block(fid, id_contacts, start, nwrite, str);
+      sprintf(str,"%d:%d,%d:%d::%d:%d,%d:%d", contact_tile1_istart[n], contact_tile1_iend[n],
+              contact_tile1_jstart[n], contact_tile1_jend[n], contact_tile2_istart[n],
+              contact_tile2_iend[n], contact_tile2_jstart[n], contact_tile2_jend[n] );
+      nwrite[1] = strlen(str);
+      mpp_put_var_value_block(fid, id_contact_index, start, nwrite, str);
+    }
+    mpp_close(fid);
+  }
+
+//................land_mosaic.nc............................
+ if(is_coupled_grid)  {
+    char str[STRING], outfile[STRING];
+    int fid, dim_ntiles, dim_ncontact, dim_string, id_mosaic, id_gridtiles, id_contacts;
+    int id_contact_index, id_griddir, id_gridfiles, dim[2];
+
+    size_t start[4], nwrite[4];
+
+//--------Initilize values --------------
+    ntiles = 1, ncontact = 1; 
+    contact_tile1_istart[1]=1; contact_tile1_iend[1]=1;
+    contact_tile1_jstart[1]=1; contact_tile1_jend[1]=nytl;
+
+    contact_tile2_istart[1]=nxtl; contact_tile2_iend[1]=nxtl;
+    contact_tile2_jstart[1]=1;    contact_tile2_jend[1]=nytl;
+    
+    sprintf(mosaic_name, "%s_mosaic",land_name);
+    sprintf(outfile, "%s.nc", mosaic_name);
+    printf("Writing %s\n", outfile);
+
+    sprintf(tile_name[0], "tile%d", 1);
+    sprintf(tilefile[0], "%s_hgrid.nc",land_name);
+    fid = mpp_open(outfile, MPP_WRITE);
+
+    contact_tile1_istart[0]=nxbl-1; contact_tile1_iend[0]=nxbl-1; 
+    contact_tile1_jstart[0]=1; contact_tile1_jend[0]=nybl-1; 
+
+    contact_tile2_istart[0]=1; contact_tile2_iend[0]=1; 
+    contact_tile2_jstart[0]=1; contact_tile2_jend[0]=nybl-1;
+//--------Initilize values --------------
+
+    dim_ntiles = mpp_def_dim(fid, "ntiles", ntiles);
+    if(ncontact>0) dim_ncontact = mpp_def_dim(fid, "ncontact", ncontact);
+    dim_string = mpp_def_dim(fid, "string", STRING);
+
+    id_mosaic = mpp_def_var(fid, "mosaic", MPP_CHAR, 1, &dim_string, 5, "standard_name",
+                            "grid_mosaic_spec", "mosaic_spec_version", mosaic_version,
+                            "children", "gridtiles", "contact_regions", "contacts",
+                            "grid_descriptor", grid_descriptor);
+    dim[0] = dim_ntiles; dim[1] = dim_string;
+    id_griddir   = mpp_def_var(fid, "gridlocation", MPP_CHAR, 1, &dim[1], 1,
+                               "standard_name", "grid_file_location");
+    id_gridfiles = mpp_def_var(fid, "gridfiles", MPP_CHAR, 2, dim, 0);
+    id_gridtiles = mpp_def_var(fid, "gridtiles", MPP_CHAR, 2, dim, 0);
+
+    if(ncontact>0) {
+      dim[0] = dim_ncontact; dim[1] = dim_string;
+      id_contacts = mpp_def_var(fid, "contacts", MPP_CHAR, 2, dim, 5, "standard_name", "grid_contact_spec",
+                                "contact_type", "boundary", "alignment", "true",
+                                "contact_index", "contact_index", "orientation", "orient");
+      id_contact_index = mpp_def_var(fid, "contact_index", MPP_CHAR, 2, dim, 1, "standard_name",
+                                     "starting_ending_point_index_of_contact");
+
+    }
+
+    //mpp_def_global(fid, "history", history);
+    mpp_end_def(fid);
+
+    /* write out data */
+    for(i=0; i<4; i++) {
+      start[i] = 0; nwrite[i] = 1;
+    }
+    nwrite[0] = strlen(mosaic_name);
+    mpp_put_var_value_block(fid, id_mosaic, start, nwrite, mosaic_name);
+    nwrite[0] = strlen(mosaic_dir);
+    mpp_put_var_value_block(fid, id_griddir, start, nwrite, mosaic_dir);
+    nwrite[0] = 1;
+    for(n=0; n<ntiles; n++) {
+      start[0] = n; nwrite[1] = strlen(tile_name[n]);
+      mpp_put_var_value_block(fid, id_gridtiles, start, nwrite, tile_name[n]);
+      nwrite[1] = strlen(tilefile[n]);
+      mpp_put_var_value_block(fid, id_gridfiles, start, nwrite, tilefile[n]);
+    }
+
+    for(n=0; n<ncontact; n++) {
+      sprintf(str,"%s:%s::%s:%s", mosaic_name, tile_name[contact_tile1[n]], mosaic_name,
+              tile_name[contact_tile2[n]]);
+      start[0] = n; nwrite[1] = strlen(str);
+      mpp_put_var_value_block(fid, id_contacts, start, nwrite, str);
+      sprintf(str,"%d:%d,%d:%d::%d:%d,%d:%d", contact_tile1_istart[n], contact_tile1_iend[n],
+              contact_tile1_jstart[n], contact_tile1_jend[n], contact_tile2_istart[n],
+              contact_tile2_iend[n], contact_tile2_jstart[n], contact_tile2_jend[n] );
+      nwrite[1] = strlen(str);
+      mpp_put_var_value_block(fid, id_contact_index, start, nwrite, str);
+    }
+    mpp_close(fid);
+  }
+
+/* ...................... ocean_mosaic.nc .................*/
+  {
+    char str[STRING], outfile[STRING], x_boundary_type1[255]="", y_boundary_type1[255]="";
+    int fid, dim_ntiles, dim_ncontact, dim_string, id_mosaic, id_gridtiles, id_contacts;
+    int id_contact_index, id_griddir, id_gridfiles, dim[2], itmp, fid_old;
+
+    size_t start[4], nwrite[4];
+
+//--------Initilize values --------------
+    ntiles = 1, ncontact = 0; 
+
+    sprintf(mosaic_name, "%s_mosaic",ocean_name);
+    sprintf(outfile, "%s.nc", mosaic_name);
+    printf("Writing %s\n", outfile);
+
+    sprintf(tile_name[0], "tile%d", 1);
+    sprintf(tilefile[0], "%s_hgrid.nc", ocean_name);
+    
+    /* ........... Read Boundary Type ................ */
+    fid_old = mpp_open(old_file, MPP_READ);
+    mpp_get_global_att(fid_old, "x_boundary_type",x_boundary_type1);
+    mpp_get_global_att(fid_old, "y_boundary_type",y_boundary_type1);
+    mpp_close(fid_old);
+    if (strcmp(x_boundary_type1, "cyclic")==0) {
+	n = ncontact; ncontact = ncontact + 1; 
+    	contact_tile1_istart[n]=360; contact_tile1_iend[n]=360; 
+    	contact_tile1_jstart[n]=1; contact_tile1_jend[n]=180; 
+
+    	contact_tile2_istart[n]=1; contact_tile2_iend[n]=1; 
+    	contact_tile2_jstart[n]=1; contact_tile2_jend[n]=180;
+	printf("\t x_boundary_type = %s, ncontact=%d \n",x_boundary_type1,ncontact);
+    }
+    
+    if (strcmp(y_boundary_type1, "fold_north_edge")==0) {
+	n = ncontact; ncontact = ncontact + 1; 
+        contact_tile1_istart[n]=1; contact_tile1_iend[n]=180;
+        contact_tile1_jstart[n]=180; contact_tile1_jend[n]=180;
+
+        contact_tile2_istart[n]=360; contact_tile2_iend[n]=181;
+        contact_tile2_jstart[n]=180; contact_tile2_jend[n]=180;
+	printf("\t y_boundary_type = %s, ncontact=%d \n",y_boundary_type1,ncontact);
+    }
+
+    fid = mpp_open(outfile, MPP_WRITE);
+
+//--------Initilize values --------------
+
+    dim_ntiles = mpp_def_dim(fid, "ntiles", ntiles);
+    if(ncontact>0) dim_ncontact = mpp_def_dim(fid, "ncontact", ncontact);
+    dim_string = mpp_def_dim(fid, "string", STRING);
+
+    id_mosaic = mpp_def_var(fid, "mosaic", MPP_CHAR, 1, &dim_string, 5, "standard_name",
+                            "grid_mosaic_spec", "mosaic_spec_version", mosaic_version,
+                            "children", "gridtiles", "contact_regions", "contacts",
+                            "grid_descriptor", grid_descriptor);
+    dim[0] = dim_ntiles; dim[1] = dim_string;
+    id_griddir   = mpp_def_var(fid, "gridlocation", MPP_CHAR, 1, &dim[1], 1,
+                               "standard_name", "grid_file_location");
+    id_gridfiles = mpp_def_var(fid, "gridfiles", MPP_CHAR, 2, dim, 0);
+    id_gridtiles = mpp_def_var(fid, "gridtiles", MPP_CHAR, 2, dim, 0);
+
+    if(ncontact>0) {
+      dim[0] = dim_ncontact; dim[1] = dim_string;
+      id_contacts = mpp_def_var(fid, "contacts", MPP_CHAR, 2, dim, 5, "standard_name", "grid_contact_spec",
+                                "contact_type", "boundary", "alignment", "true",
+                                "contact_index", "contact_index", "orientation", "orient");
+      id_contact_index = mpp_def_var(fid, "contact_index", MPP_CHAR, 2, dim, 1, "standard_name",
+                                     "starting_ending_point_index_of_contact");
+
+    }
+
+    //mpp_def_global(fid, "history", history);
+    mpp_end_def(fid);
+
+    /* write out data */
+    for(i=0; i<4; i++) {
+      start[i] = 0; nwrite[i] = 1;
+    }
+    nwrite[0] = strlen(mosaic_name);
+    mpp_put_var_value_block(fid, id_mosaic, start, nwrite, mosaic_name);
+    nwrite[0] = strlen(mosaic_dir);
+    mpp_put_var_value_block(fid, id_griddir, start, nwrite, mosaic_dir);
+    nwrite[0] = 1;
+    for(n=0; n<ntiles; n++) {
+      start[0] = n; nwrite[1] = strlen(tile_name[n]);
+      mpp_put_var_value_block(fid, id_gridtiles, start, nwrite, tile_name[n]);
+      nwrite[1] = strlen(tilefile[n]);
+      mpp_put_var_value_block(fid, id_gridfiles, start, nwrite, tilefile[n]);
+    }
+
+    for(n=0; n<ncontact; n++) {
+      sprintf(str,"%s:%s::%s:%s", mosaic_name, tile_name[contact_tile1[n]], mosaic_name,
+              tile_name[contact_tile2[n]]);
+      start[0] = n; nwrite[1] = strlen(str);
+      mpp_put_var_value_block(fid, id_contacts, start, nwrite, str);
+      sprintf(str,"%d:%d,%d:%d::%d:%d,%d:%d", contact_tile1_istart[n], contact_tile1_iend[n],
+              contact_tile1_jstart[n], contact_tile1_jend[n], contact_tile2_istart[n],
+              contact_tile2_iend[n], contact_tile2_jstart[n], contact_tile2_jend[n] );
+      nwrite[1] = strlen(str);
+      mpp_put_var_value_block(fid, id_contact_index, start, nwrite, str);
+    }
+    mpp_close(fid);
+  }
+/* ...................... atmosXland.nc .................*/
+  if(is_coupled_grid)  {
+  const char version[] = "0.2";
+  char lxo_file[STRING], axo_file[STRING], axl_file[STRING];
+  char amosaic_file[STRING], lmosaic_file[STRING], omosaic_file[STRING];
+  char otopog_file[STRING];
+
+  char atile_name[255], ltile_name[255], otile_name[255];
+  char amosaic_name[255], lmosaic_name[255], omosaic_name[255];
+  int  fid_old, vid;
+  
+  strcpy(atile_name,"tile1"); strcpy(ltile_name,"tile1"); strcpy(otile_name,"tile1");
+  strcpy(amosaic_name,"atmos"); strcpy(lmosaic_name,"land"); strcpy(omosaic_name,"ocean");
+
+//---------------
+    int no, nl, na, n;
+    size_t  naxl, naxo, naxl_step;
+    int     *atmxlnd_ia, *atmxlnd_ja, *atmxlnd_il, *atmxlnd_jl;
+    int     *atmxocn_ia, *atmxocn_ja, *atmxocn_io, *atmxocn_jo;
+    int     *lndxocn_il, *lndxocn_jl, *lndxocn_io, *lndxocn_jo;
+    double  *atmxlnd_area, *atmxlnd_di, *atmxlnd_dj;
+    double  *atmxocn_area, *atmxocn_di, *atmxocn_dj;
+    double  *lndxocn_area, *lndxocn_di, *lndxocn_dj;
+
+    fid_old = mpp_open(old_file, MPP_READ);
+    naxl = mpp_get_dimlen(fid_old, "i_atmXlnd");
+//----------------
+ 
+      /* write out atmXlnd data*/
+        if(naxl>0) {
+          size_t start[4], nwrite[4];
+                                                                                                                                                          
+          int fid, dim_string, dim_ncells, dim_two, dims[4];
+          int id_xgrid_area, id_contact, n;
+          int id_tile1_cell, id_tile2_cell, id_tile1_dist, id_tile2_dist;
+          char contact[STRING];
+                                                                                                                                                          
+          for(i=0; i<4; i++) {
+            start[i] = 0; nwrite[i] = 1;
+          }
+          sprintf(axl_file, "%s_mosaicX%s_mosaic.nc", amosaic_name, lmosaic_name);
+          printf("Writing %s_mosaicX%s_mosaic.nc\n", amosaic_name, lmosaic_name);
+          sprintf(contact, "%s_mosaic:%s::%s_mosaic:%s", amosaic_name, atile_name, lmosaic_name, ltile_name);
+          fid = mpp_open(axl_file, MPP_WRITE);
+          //mpp_def_global(fid, "history", history);
+          dim_string = mpp_def_dim(fid, "string", STRING);
+          dim_ncells = mpp_def_dim(fid, "ncells", naxl);
+          dim_two    = mpp_def_dim(fid, "two", 2);
+          if(interp_order == 2) {
+            id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 8, "standard_name", "grid_contact_spec",
+                                     "contact_spec_version", version, "contact_type", "exchange", "parent1_cell",
+                                     "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area",
+                                     "distant_to_parent1_centroid", "tile1_distance", "distant_to_parent2_centroid", "tile2_distance");
+          }
+          else {
+            id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 6, "standard_name", "grid_contact_spec",
+                                     "contact_spec_version", version, "contact_type", "exchange", "parent1_cell",
+                                     "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area");
+          }
+                                                                                                                                                          
+          dims[0] = dim_ncells; dims[1] = dim_two;
+          id_tile1_cell = mpp_def_var(fid, "tile1_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic1");
+          id_tile2_cell = mpp_def_var(fid, "tile2_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic2");
+          id_xgrid_area = mpp_def_var(fid, "xgrid_area", MPP_DOUBLE, 1, &dim_ncells, 2, "standard_name",
+                                       "exchange_grid_area", "units", "m2");
+          if(interp_order == 2) {
+            id_tile1_dist = mpp_def_var(fid, "tile1_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent1_cell_centroid");
+            id_tile2_dist = mpp_def_var(fid, "tile2_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent2_cell_centroid");
+          }
+          mpp_end_def(fid);
+
+	  for(i=0; i<4; i++) {start[i] = 0; nwrite[i] = 1;}
+	  nwrite[0] = strlen(contact);
+          mpp_put_var_value_block(fid, id_contact, start, nwrite, contact);
+          nwrite[0] = naxl;
+
+          atmxlnd_area = (double *)malloc(naxl*sizeof(double)); 
+          atmxlnd_ia   = (int    *)malloc(naxl*sizeof(int   )); 
+          atmxlnd_ja   = (int    *)malloc(naxl*sizeof(int   )); 
+          atmxlnd_il   = (int    *)malloc(naxl*sizeof(int   )); 
+          atmxlnd_jl   = (int    *)malloc(naxl*sizeof(int   )); 
+	  vid = mpp_get_varid(fid_old, "AREA_ATMxLND"); mpp_get_var_value(fid_old, vid, atmxlnd_area);
+	  vid = mpp_get_varid(fid_old, "I_ATM_ATMxLND"); mpp_get_var_value(fid_old, vid, atmxlnd_ia);
+	  vid = mpp_get_varid(fid_old, "J_ATM_ATMxLND"); mpp_get_var_value(fid_old, vid, atmxlnd_ja);
+	  vid = mpp_get_varid(fid_old, "I_LND_ATMxLND"); mpp_get_var_value(fid_old, vid, atmxlnd_il);
+	  vid = mpp_get_varid(fid_old, "J_LND_ATMxLND"); mpp_get_var_value(fid_old, vid, atmxlnd_jl);
+	  
+	  for(i=0;i<naxl;i++)atmxlnd_area[i] = atmxlnd_area[i] * 4.0 * PI * RADIUS * RADIUS; 
+
+          mpp_put_var_value(fid, id_xgrid_area, atmxlnd_area);
+          mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, atmxlnd_ia);
+          mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, atmxlnd_il);
+          start[1] = 1;
+          mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, atmxlnd_ja);
+          mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, atmxlnd_jl);
+          if(interp_order == 2) {
+            atmxlnd_di = (double *)malloc(naxl*sizeof(double)); 
+            atmxlnd_dj = (double *)malloc(naxl*sizeof(double)); 
+	    vid = mpp_get_varid(fid_old, "DI_ATMxLND"); mpp_get_var_value(fid_old, vid, atmxlnd_di);
+	    vid = mpp_get_varid(fid_old, "DJ_ATMxLND"); mpp_get_var_value(fid_old, vid, atmxlnd_dj);
+            start[1] = 0;
+            mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, atmxlnd_di);
+            start[1] = 1;
+            mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, atmxlnd_dj);
+          }
+	  
+          mpp_close(fid);
+          free(atmxlnd_area);
+        }
+	mpp_close(fid_old);
+  }
+/* ...................... atmosXocean.nc .................*/
+  if(is_coupled_grid)  {
+  const char version[] = "0.2";
+  char lxo_file[STRING];
+  char axo_file[STRING];
+  char axl_file[STRING];
+  char amosaic_file[STRING];
+  char lmosaic_file[STRING];
+  char omosaic_file[STRING];
+  char otopog_file[STRING];
+
+  char atile_name[255], ltile_name[255], otile_name[255];
+  char amosaic_name[255], lmosaic_name[255], omosaic_name[255];
+
+  strcpy(atile_name,"tile1"); strcpy(ltile_name,"tile1"); strcpy(otile_name,"tile1");
+  strcpy(amosaic_name,"atmos"); strcpy(lmosaic_name,"land"); strcpy(omosaic_name,"ocean");
+
+//---------------
+    int no, nl, na, n;
+    size_t  naxl, naxo, naxl_step;
+    int     *atmxlnd_ia, *atmxlnd_ja, *atmxlnd_il, *atmxlnd_jl;
+    int     *atmxocn_ia, *atmxocn_ja, *atmxocn_io, *atmxocn_jo;
+    int     *lndxocn_il, *lndxocn_jl, *lndxocn_io, *lndxocn_jo;
+    double  *atmxlnd_area, *atmxlnd_di, *atmxlnd_dj;
+    double  *atmxocn_area, *atmxocn_di, *atmxocn_dj;
+    double  *lndxocn_area, *lndxocn_di, *lndxocn_dj;
+    int fid_old, vid;
+
+    fid_old = mpp_open(old_file, MPP_READ);
+    naxo = mpp_get_dimlen(fid_old, "i_atmXocn");
+//----------------
+ 
+      /* write out atmXlnd data*/
+        if(naxo>0) {
+          size_t start[4], nwrite[4];
+                                                                                                                                                          
+          int fid, dim_string, dim_ncells, dim_two, dims[4];
+          int id_xgrid_area, id_contact, n;
+          int id_tile1_cell, id_tile2_cell, id_tile1_dist, id_tile2_dist;
+          char contact[STRING];
+                                                                                                                                                          
+          for(i=0; i<4; i++) {
+            start[i] = 0; nwrite[i] = 1;
+          }
+          sprintf(axo_file, "%s_mosaicX%s_mosaic.nc", amosaic_name, omosaic_name);
+          printf("Writing %s_mosaicX%s_mosaic.nc\n", amosaic_name, omosaic_name);
+          sprintf(contact, "%s_mosaic:%s::%s_mosaic:%s", amosaic_name, atile_name, omosaic_name, otile_name);
+          fid = mpp_open(axo_file, MPP_WRITE);
+          //mpp_def_global(fid, "history", history);
+          dim_string = mpp_def_dim(fid, "string", STRING);
+          dim_ncells = mpp_def_dim(fid, "ncells", naxo);
+          dim_two    = mpp_def_dim(fid, "two", 2);
+          if(interp_order == 2) {
+            id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 8, "standard_name", "grid_contact_spec",
+                                     "contact_spec_version", version, "contact_type", "exchange", "parent1_cell",
+                                     "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area",
+                                     "distant_to_parent1_centroid", "tile1_distance", "distant_to_parent2_centroid", "tile2_distance");
+          }
+          else {
+            id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 6, "standard_name", "grid_contact_spec",
+                                     "contact_spec_version", version, "contact_type", "exchange", "parent1_cell",
+                                     "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area");
+          }
+                                                                                                                                                          
+          dims[0] = dim_ncells; dims[1] = dim_two;
+          id_tile1_cell = mpp_def_var(fid, "tile1_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic1");
+          id_tile2_cell = mpp_def_var(fid, "tile2_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic2");
+          id_xgrid_area = mpp_def_var(fid, "xgrid_area", MPP_DOUBLE, 1, &dim_ncells, 2, "standard_name",
+                                       "exchange_grid_area", "units", "m2");
+          if(interp_order == 2) {
+            id_tile1_dist = mpp_def_var(fid, "tile1_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent1_cell_centroid");
+            id_tile2_dist = mpp_def_var(fid, "tile2_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent2_cell_centroid");
+          }
+          mpp_end_def(fid);
+
+	  for(i=0; i<4; i++) { start[i] = 0; nwrite[i] = 1;}
+	  nwrite[0] = strlen(contact);
+          mpp_put_var_value_block(fid, id_contact, start, nwrite, contact);
+          nwrite[0] = naxo;
+
+          atmxocn_area = (double *)malloc(naxo*sizeof(double)); 
+          atmxocn_ia   = (int    *)malloc(naxo*sizeof(int   )); 
+          atmxocn_ja   = (int    *)malloc(naxo*sizeof(int   )); 
+          atmxocn_io   = (int    *)malloc(naxo*sizeof(int   )); 
+          atmxocn_jo   = (int    *)malloc(naxo*sizeof(int   )); 
+	  vid = mpp_get_varid(fid_old, "AREA_ATMxOCN"); mpp_get_var_value(fid_old, vid, atmxocn_area);
+	  vid = mpp_get_varid(fid_old, "I_ATM_ATMxOCN"); mpp_get_var_value(fid_old, vid, atmxocn_ia);
+	  vid = mpp_get_varid(fid_old, "J_ATM_ATMxOCN"); mpp_get_var_value(fid_old, vid, atmxocn_ja);
+	  vid = mpp_get_varid(fid_old, "I_OCN_ATMxOCN"); mpp_get_var_value(fid_old, vid, atmxocn_io);
+	  vid = mpp_get_varid(fid_old, "J_OCN_ATMxOCN"); mpp_get_var_value(fid_old, vid, atmxocn_jo);
+	  
+          for(i=0;i<naxo;i++)atmxocn_area[i] = atmxocn_area[i] * 4.0 * PI * RADIUS * RADIUS; 
+
+          mpp_put_var_value(fid, id_xgrid_area, atmxocn_area);
+          mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, atmxocn_ia);
+          mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, atmxocn_io);
+          start[1] = 1;
+          mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, atmxocn_ja);
+          mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, atmxocn_jo);
+          if(interp_order == 2) {
+            atmxocn_di = (double *)malloc(naxo*sizeof(double)); 
+            atmxocn_dj = (double *)malloc(naxo*sizeof(double)); 
+	    vid = mpp_get_varid(fid_old, "DI_ATMxOCN"); mpp_get_var_value(fid_old, vid, atmxocn_di);
+	    vid = mpp_get_varid(fid_old, "DJ_ATMxOCN"); mpp_get_var_value(fid_old, vid, atmxocn_dj);
+            start[1] = 0;
+            mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, atmxocn_di);
+            start[1] = 1;
+            mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, atmxocn_dj);
+          }
+          mpp_close(fid);
+          free(atmxocn_area);
+        }
+	mpp_close(fid_old);
+  }
+/* ...................... landXocean.nc .................*/
+  if(is_coupled_grid)  {
+  const char version[] = "0.2";
+  char lxo_file[STRING];
+  char axo_file[STRING];
+  char axl_file[STRING];
+  char amosaic_file[STRING];
+  char lmosaic_file[STRING];
+  char omosaic_file[STRING];
+  char otopog_file[STRING];
+
+  char atile_name[255], ltile_name[255], otile_name[255];
+  char amosaic_name[255], lmosaic_name[255], omosaic_name[255];
+
+  strcpy(atile_name,"tile1"); strcpy(ltile_name,"tile1"); strcpy(otile_name,"tile1");
+  strcpy(amosaic_name,"atmos"); strcpy(lmosaic_name,"land"); strcpy(omosaic_name,"ocean");
+
+//---------------
+    int no, nl, na, n;
+    size_t  naxl, naxo, nlxo, naxl_step;
+    int     *atmxlnd_ia, *atmxlnd_ja, *atmxlnd_il, *atmxlnd_jl;
+    int     *atmxocn_ia, *atmxocn_ja, *atmxocn_io, *atmxocn_jo;
+    int     *lndxocn_il, *lndxocn_jl, *lndxocn_io, *lndxocn_jo;
+    double  *atmxlnd_area, *atmxlnd_di, *atmxlnd_dj;
+    double  *atmxocn_area, *atmxocn_di, *atmxocn_dj;
+    double  *lndxocn_area, *lndxocn_di, *lndxocn_dj;
+    int     fid_old, vid;
+
+    fid_old = mpp_open(old_file, MPP_READ);
+    nlxo = mpp_get_dimlen(fid_old , "i_lndXocn");
+//----------------
+ 
+      /* write out lndXocn data*/
+        if(nlxo>0) {
+          size_t start[4], nwrite[4];
+                                                                                                                                                          
+          int fid, dim_string, dim_ncells, dim_two, dims[4];
+          int id_xgrid_area, id_contact, n;
+          int id_tile1_cell, id_tile2_cell, id_tile1_dist, id_tile2_dist;
+          char contact[STRING];
+                                                                                                                                                          
+          for(i=0; i<4; i++) {
+            start[i] = 0; nwrite[i] = 1;
+          }
+          sprintf(lxo_file, "%s_mosaicX%s_mosaic.nc", lmosaic_name, omosaic_name);
+          printf("Writing %s_mosaicX%s_mosaic.nc\n", lmosaic_name, omosaic_name);
+          sprintf(contact, "%s_mosaic:%s::%s_mosaic:%s", lmosaic_name, ltile_name, omosaic_name, otile_name);
+          fid = mpp_open(lxo_file, MPP_WRITE);
+          //mpp_def_global(fid, "history", history);
+          dim_string = mpp_def_dim(fid, "string", STRING);
+          dim_ncells = mpp_def_dim(fid, "ncells", nlxo);
+          dim_two    = mpp_def_dim(fid, "two", 2);
+          if(interp_order == 2) {
+            id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 8, "standard_name", "grid_contact_spec",
+                                     "contact_spec_version", version, "contact_type", "exchange", "parent1_cell",
+                                     "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area",
+                                     "distant_to_parent1_centroid", "tile1_distance", "distant_to_parent2_centroid", "tile2_distance");
+          }
+          else {
+            id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 6, "standard_name", "grid_contact_spec",
+                                     "contact_spec_version", version, "contact_type", "exchange", "parent1_cell",
+                                     "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area");
+          }
+                                                                                                                                                          
+          dims[0] = dim_ncells; dims[1] = dim_two;
+          id_tile1_cell = mpp_def_var(fid, "tile1_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic1");
+          id_tile2_cell = mpp_def_var(fid, "tile2_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic2");
+          id_xgrid_area = mpp_def_var(fid, "xgrid_area", MPP_DOUBLE, 1, &dim_ncells, 2, "standard_name",
+                                       "exchange_grid_area", "units", "m2");
+          if(interp_order == 2) {
+            id_tile1_dist = mpp_def_var(fid, "tile1_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent1_cell_centroid");
+            id_tile2_dist = mpp_def_var(fid, "tile2_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent2_cell_centroid");
+          }
+          mpp_end_def(fid);
+
+	  for(i=0; i<4; i++) { start[i] = 0; nwrite[i] = 1;}
+	  nwrite[0] = strlen(contact);
+          mpp_put_var_value_block(fid, id_contact, start, nwrite, contact);
+          nwrite[0] = nlxo;
+
+          lndxocn_area = (double *)malloc(nlxo*sizeof(double)); 
+          lndxocn_il   = (int    *)malloc(nlxo*sizeof(int   )); 
+          lndxocn_jl   = (int    *)malloc(nlxo*sizeof(int   )); 
+          lndxocn_io   = (int    *)malloc(nlxo*sizeof(int   )); 
+          lndxocn_jo   = (int    *)malloc(nlxo*sizeof(int   )); 
+	  vid = mpp_get_varid(fid_old, "AREA_LNDxOCN"); mpp_get_var_value(fid_old, vid, lndxocn_area);
+	  vid = mpp_get_varid(fid_old, "I_LND_LNDxOCN"); mpp_get_var_value(fid_old, vid, lndxocn_il);
+	  vid = mpp_get_varid(fid_old, "J_LND_LNDxOCN"); mpp_get_var_value(fid_old, vid, lndxocn_jl);
+	  vid = mpp_get_varid(fid_old, "I_OCN_LNDxOCN"); mpp_get_var_value(fid_old, vid, lndxocn_io);
+	  vid = mpp_get_varid(fid_old, "J_OCN_LNDxOCN"); mpp_get_var_value(fid_old, vid, lndxocn_jo);
+	  
+          for(i=0;i<nlxo;i++)lndxocn_area[i] = lndxocn_area[i] * 4.0 * PI * RADIUS * RADIUS; 
+
+          mpp_put_var_value(fid, id_xgrid_area, lndxocn_area);
+          mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, lndxocn_il);
+          mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, lndxocn_io);
+          start[1] = 1;
+          mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, lndxocn_jl);
+          mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, lndxocn_jo);
+          if(interp_order == 2) {
+            lndxocn_di = (double *)malloc(nlxo*sizeof(double)); 
+            lndxocn_dj = (double *)malloc(nlxo*sizeof(double)); 
+	    vid = mpp_get_varid(fid_old, "DI_LNDxOCN"); mpp_get_var_value(fid_old, vid, lndxocn_di);
+	    vid = mpp_get_varid(fid_old, "DJ_LNDxOCN"); mpp_get_var_value(fid_old, vid, lndxocn_dj);
+            start[1] = 0;
+            mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, lndxocn_di);
+            start[1] = 1;
+            mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, lndxocn_dj);
+          }
+          mpp_close(fid);
+          free(lndxocn_area);
+        }
+	mpp_close(fid_old);
+  }
+
+/* ...................... mosaic.nc .................*/
+  {
+  const char version[] = "0.2";
+  char lxo_file[STRING], axo_file[STRING], axl_file[STRING], mosaic_file[STRING];
+  char amosaic_file[STRING], lmosaic_file[STRING], omosaic_file[STRING];
+  char amosaic_name[STRING], lmosaic_name[STRING], omosaic_name[STRING];
+  char otopog_file[STRING];
+
+    int fid, dim_string, dim_axo, dim_lxo, dim_axl, dims[4], n;
+    size_t start[4], nwrite[4];
+    int id_lmosaic_dir, id_lmosaic_file, id_omosaic_dir, id_omosaic_file;
+    int id_amosaic_dir, id_amosaic_file, id_otopog_dir, id_otopog_file;
+    int id_xgrids_dir, id_axo_file, id_lxo_file, id_axl_file;
+    int id_amosaic, id_lmosaic, id_omosaic;
+
+    int nfile_axo = 1, nfile_axl = 1, nfile_lxo = 1; 
+
+    strcpy(mosaic_file,"mosaic.nc");
+    printf("Writing %s\n", mosaic_file);
+
+    fid = mpp_open(mosaic_file, MPP_WRITE);
+  //  mpp_def_global(fid, "history", history);
+    dim_string = mpp_def_dim(fid, "string", STRING);
+    dim_axo = mpp_def_dim(fid, "nfile_aXo", nfile_axo);
+    dim_axl = mpp_def_dim(fid, "nfile_aXl", nfile_axl);
+    dim_lxo = mpp_def_dim(fid, "nfile_lXo", nfile_lxo);
+    id_amosaic_dir  = mpp_def_var(fid, "atm_mosaic_dir", MPP_CHAR, 1, &dim_string,
+                                  1, "standard_name", "directory_storing_atmosphere_mosaic");
+    id_amosaic_file = mpp_def_var(fid, "atm_mosaic_file", MPP_CHAR, 1, &dim_string,
+                                  1, "standard_name", "atmosphere_mosaic_file_name");
+    id_amosaic      = mpp_def_var(fid, "atm_mosaic", MPP_CHAR, 1, &dim_string,
+                                  1, "standard_name", "atmosphere_mosaic_name");
+    id_lmosaic_dir  = mpp_def_var(fid, "lnd_mosaic_dir", MPP_CHAR, 1, &dim_string,
+                                  1, "standard_name", "directory_storing_land_mosaic");
+    id_lmosaic_file = mpp_def_var(fid, "lnd_mosaic_file", MPP_CHAR, 1, &dim_string,
+                                  1, "standard_name", "land_mosaic_file_name");
+    id_lmosaic      = mpp_def_var(fid, "lnd_mosaic", MPP_CHAR, 1, &dim_string,
+                                  1, "standard_name", "land_mosaic_name");
+    id_omosaic_dir  = mpp_def_var(fid, "ocn_mosaic_dir", MPP_CHAR, 1, &dim_string,
+                                  1, "standard_name", "directory_storing_ocean_mosaic");
+    id_omosaic_file = mpp_def_var(fid, "ocn_mosaic_file", MPP_CHAR, 1, &dim_string,
+                                  1, "standard_name", "ocean_mosaic_file_name");
+    id_omosaic      = mpp_def_var(fid, "ocn_mosaic", MPP_CHAR, 1, &dim_string,
+                                  1, "standard_name", "ocean_mosaic_name");
+    id_otopog_dir   = mpp_def_var(fid, "ocn_topog_dir", MPP_CHAR, 1, &dim_string,
+                                  1, "standard_name", "directory_storing_ocean_topog");
+    id_otopog_file  = mpp_def_var(fid, "ocn_topog_file", MPP_CHAR, 1, &dim_string,
+                                  1, "standard_name", "ocean_topog_file_name");
+    /* since exchange grid is created in this tool, we may add command line option to specify where to store the output */
+    /*    id_xgrids_dir = mpp_def_var(fid, "xgrids_dir", MPP_CHAR, 1, &dim_string,
+          1, "standard_name", "directory_storing_xgrids"); */
+    dims[0] = dim_axo; dims[1] = dim_string;
+    id_axo_file = mpp_def_var(fid, "aXo_file", MPP_CHAR, 2, dims, 1, "standard_name", "atmXocn_exchange_grid_file");
+    dims[0] = dim_axl; dims[1] = dim_string;
+    id_axl_file = mpp_def_var(fid, "aXl_file", MPP_CHAR, 2, dims, 1, "standard_name", "atmXlnd_exchange_grid_file");
+    dims[0] = dim_lxo; dims[1] = dim_string;
+    id_lxo_file = mpp_def_var(fid, "lXo_file", MPP_CHAR, 2, dims, 1, "standard_name", "lndXocn_exchange_grid_file");
+    mpp_end_def(fid);
+
+strcpy(otopog_file,"topog.nc");
+
+sprintf(amosaic_name,"%s_mosaic",atmos_name); sprintf(lmosaic_name,"%s_mosaic",land_name); sprintf(omosaic_name,"%s_mosaic",ocean_name);
+sprintf(amosaic_file,"%s.nc",amosaic_name); sprintf(lmosaic_file,"%s.nc",lmosaic_name); sprintf(omosaic_file,"%s.nc",omosaic_name);
+
+sprintf(axl_file,"%sX%s.nc", amosaic_name, lmosaic_name); 
+sprintf(axo_file,"%sX%s.nc", amosaic_name, omosaic_name); 
+sprintf(lxo_file,"%sX%s.nc", lmosaic_name, omosaic_name); 
+
+    for(i=0; i<4; i++) { start[i] = 0; nwrite[i] = 1; }
+    nwrite[0] = strlen(mosaic_dir);
+    mpp_put_var_value_block(fid, id_amosaic_dir, start, nwrite, mosaic_dir);
+    nwrite[0] = strlen(amosaic_file);
+    mpp_put_var_value_block(fid, id_amosaic_file, start, nwrite, amosaic_file);
+    nwrite[0] = strlen(amosaic_name);
+    mpp_put_var_value_block(fid, id_amosaic, start, nwrite, amosaic_name);
+    nwrite[0] = strlen(mosaic_dir);
+    mpp_put_var_value_block(fid, id_lmosaic_dir, start, nwrite, mosaic_dir);
+    nwrite[0] = strlen(lmosaic_file);
+    mpp_put_var_value_block(fid, id_lmosaic_file, start, nwrite, lmosaic_file);
+    nwrite[0] = strlen(lmosaic_name);
+    mpp_put_var_value_block(fid, id_lmosaic, start, nwrite, lmosaic_name);
+    nwrite[0] = strlen(mosaic_dir);
+    mpp_put_var_value_block(fid, id_omosaic_dir, start, nwrite, mosaic_dir);
+    nwrite[0] = strlen(omosaic_file);
+    mpp_put_var_value_block(fid, id_omosaic_file, start, nwrite, omosaic_file);
+    nwrite[0] = strlen(omosaic_name);
+    mpp_put_var_value_block(fid, id_omosaic, start, nwrite, omosaic_name);
+    nwrite[0] = strlen(mosaic_dir);
+    mpp_put_var_value_block(fid, id_otopog_dir, start, nwrite, mosaic_dir);
+    nwrite[0] = strlen(otopog_file);
+    mpp_put_var_value_block(fid, id_otopog_file, start, nwrite, otopog_file);
+    for(i=0; i<4; i++) {
+      start[i] = 0; nwrite[i] = 1;
+    }
+      start[0] = 0; nwrite[1] = strlen(axo_file);
+      mpp_put_var_value_block(fid, id_axo_file, start, nwrite, axo_file);
+
+      start[0] = 0; nwrite[1] = strlen(axl_file);
+      mpp_put_var_value_block(fid, id_axl_file, start, nwrite, axl_file);
+
+      start[0] = 0; nwrite[1] = strlen(lxo_file);
+      mpp_put_var_value_block(fid, id_lxo_file, start, nwrite, lxo_file);
+    mpp_close(fid);
+  }
+
+
+
+  return;
+  mpp_end();
+  
+};  /* end of main */
+
diff --git a/gridspec_tools_20080702/tools/transfer_to_mosaic_grid/Makefile.am b/gridspec_tools_20080702/tools/transfer_to_mosaic_grid/Makefile.am
new file mode 100644
index 0000000..ab633ca
--- /dev/null
+++ b/gridspec_tools_20080702/tools/transfer_to_mosaic_grid/Makefile.am
@@ -0,0 +1,39 @@
+## This is an automake file, part of Unidata's NetCDF CF Library
+## package. Copyright 2009, see the COPYRIGHT file for more
+## information.
+
+# This automake file is in charge of building the gridspec
+# transfer_to_mosaic tool.
+
+# $Id: Makefile.am,v 1.3 2009/04/08 16:50:35 ed Exp $
+
+bin_PROGRAMS = transfer_to_mosaic gs_transfer_to_mosaic
+
+# Initalize these.
+AM_CPPFLAGS = -I../shared -I../../shared/mosaic
+AM_LDFLAGS = -L../shared -L../../shared/mosaic
+
+# If the user specified a root location for NETCDF, use it.
+if USE_NETCDF_DIR
+AM_CPPFLAGS += -I at NETCDFDIR@/include
+AM_FCFLAGS = -I at NETCDFDIR@/include
+AM_LDFLAGS += -L at NETCDFDIR@/lib
+endif
+
+# If the user specified a root location for HDF5, use it.
+if USE_HDF5_DIR
+AM_CPPFLAGS += -I at HDF5DIR@/include
+AM_LDFLAGS += -L at HDF5DIR@/lib
+endif
+
+# We need the netCDF library, of course!
+LDADD = -ltoolsshared -lshared -lnetcdf
+
+# If the user is building with netCDF-4, we also have to link to the
+# HDF5 high-level library, and the HDF5 library, and the zlib
+# compression library.
+if USE_NETCDF4
+LDADD += -lhdf5_hl -lhdf5 -lz
+endif # USE_NETCDF4
+
+
diff --git a/gridspec_tools_20080702/tools/transfer_to_mosaic_grid/Makefile.in b/gridspec_tools_20080702/tools/transfer_to_mosaic_grid/Makefile.in
new file mode 100644
index 0000000..e04fd7a
--- /dev/null
+++ b/gridspec_tools_20080702/tools/transfer_to_mosaic_grid/Makefile.in
@@ -0,0 +1,523 @@
+# Makefile.in generated by automake 1.10.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+ at SET_MAKE@
+
+# This automake file is in charge of building the gridspec
+# transfer_to_mosaic tool.
+
+# $Id: Makefile.am,v 1.3 2009/04/08 16:50:35 ed Exp $
+
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+bin_PROGRAMS = transfer_to_mosaic$(EXEEXT) \
+	gs_transfer_to_mosaic$(EXEEXT)
+
+# If the user specified a root location for NETCDF, use it.
+ at USE_NETCDF_DIR_TRUE@am__append_1 = -I at NETCDFDIR@/include
+ at USE_NETCDF_DIR_TRUE@am__append_2 = -L at NETCDFDIR@/lib
+
+# If the user specified a root location for HDF5, use it.
+ at USE_HDF5_DIR_TRUE@am__append_3 = -I at HDF5DIR@/include
+ at USE_HDF5_DIR_TRUE@am__append_4 = -L at HDF5DIR@/lib
+
+# If the user is building with netCDF-4, we also have to link to the
+# HDF5 high-level library, and the HDF5 library, and the zlib
+# compression library.
+ at USE_NETCDF4_TRUE@am__append_5 = -lhdf5_hl -lhdf5 -lz
+subdir = gridspec_tools_20080702/tools/transfer_to_mosaic_grid
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/m4/libtool.m4 \
+	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
+	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
+	$(top_srcdir)/acinclude.m4 $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h $(top_builddir)/nfconfig.inc
+CONFIG_CLEAN_FILES =
+am__installdirs = "$(DESTDIR)$(bindir)"
+binPROGRAMS_INSTALL = $(INSTALL_PROGRAM)
+PROGRAMS = $(bin_PROGRAMS)
+gs_transfer_to_mosaic_SOURCES = gs_transfer_to_mosaic.c
+gs_transfer_to_mosaic_OBJECTS = gs_transfer_to_mosaic.$(OBJEXT)
+gs_transfer_to_mosaic_LDADD = $(LDADD)
+am__DEPENDENCIES_1 =
+gs_transfer_to_mosaic_DEPENDENCIES = $(am__DEPENDENCIES_1)
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+	  *config.status*) \
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+	@rm -f transfer_to_mosaic$(EXEEXT)
+	$(LINK) $(transfer_to_mosaic_OBJECTS) $(transfer_to_mosaic_LDADD) $(LIBS)
+
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diff --git a/gridspec_tools_20080702/tools/transfer_to_mosaic_grid/gs_transfer_to_mosaic.c b/gridspec_tools_20080702/tools/transfer_to_mosaic_grid/gs_transfer_to_mosaic.c
new file mode 100644
index 0000000..07239d5
--- /dev/null
+++ b/gridspec_tools_20080702/tools/transfer_to_mosaic_grid/gs_transfer_to_mosaic.c
@@ -0,0 +1,73 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include <string.h>
+#include <getopt.h>
+#include "constant.h"
+#include "mpp.h"
+#include "mpp_domain.h"
+#include "mpp_io.h"
+
+const int MAXBOUNDS = 100;
+const int STRINGLEN = 255;
+
+const int MAXTILE = 100;
+const int MAXCONTACT = 100;
+const int SHORTSTRING = 32;
+
+int main(int argc, char* argv[])
+{
+/* ----------------------------- */
+   extern char *optarg;
+   char *pch=NULL, history[512], entry[1280];
+   char tilefile[MAXTILE][STRING], tiletype[MAXTILE][SHORTSTRING];
+   char tile_name[MAXTILE][STRING];
+   int ntiles=0, nfiles=0, ncontact=0;
+   double periodx=0, periody=0;
+   int contact_tile1[MAXCONTACT], contact_tile2[MAXCONTACT];
+   int contact_tile1_istart[MAXCONTACT], contact_tile1_iend[MAXCONTACT];
+   int contact_tile1_jstart[MAXCONTACT], contact_tile1_jend[MAXCONTACT];
+   int contact_tile2_istart[MAXCONTACT], contact_tile2_iend[MAXCONTACT];
+   int contact_tile2_jstart[MAXCONTACT], contact_tile2_jend[MAXCONTACT];
+   char mosaic_name[128] = "atmos_mosaic";
+   char mosaic_dir[256]  = "./" ;
+   char grid_descriptor[128] = "";
+   int c, i, n, m, l, errflg, check=0;
+
+   char atmos_name[128]="atmos", land_name[128]="land", ocean_name[128]="ocean";
+   char agrid_file[128], lgrid_file[128], ogrid_file[128];
+   char *old_file = NULL;
+
+   int is_coupled_grid = 0, is_ocean_only =1; 
+   int interp_order=1;
+   int ret;
+  
+   int option_index;
+   static struct option long_options[] = {
+      {"input_file",       required_argument, NULL, 'o'},
+      {"mosaic_dir",       required_argument, NULL, 'd'},    
+      {NULL, 0, NULL, 0}
+   };
+
+/* ----------------------------- */
+
+   mpp_init(&argc, &argv); /* Initilize */ 
+   //mpp_domain_init();  
+
+   while ((c = getopt_long(argc, argv, "h", long_options, &option_index) ) != -1)
+      switch (c) {
+	 case 'o':
+	    old_file = optarg;
+	    break;
+	 case 'd':
+	    strcpy(mosaic_dir, optarg);
+	    break;
+      }
+
+   if ((ret = gs_transfer_to_mosaic(old_file, mosaic_dir)))
+      return ret;
+
+   mpp_end();
+  
+};  /* end of main */
+
diff --git a/gridspec_tools_20080702/tools/transfer_to_mosaic_grid/transfer_to_mosaic.c b/gridspec_tools_20080702/tools/transfer_to_mosaic_grid/transfer_to_mosaic.c
new file mode 100644
index 0000000..fecdaf0
--- /dev/null
+++ b/gridspec_tools_20080702/tools/transfer_to_mosaic_grid/transfer_to_mosaic.c
@@ -0,0 +1,1278 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include <string.h>
+#include <getopt.h>
+#include "constant.h"
+#include "mpp.h"
+#include "mpp_domain.h"
+#include "mpp_io.h"
+
+const int MAXBOUNDS = 100;
+const int STRINGLEN = 255;
+
+const int MAXTILE = 100;
+const int MAXCONTACT = 100;
+const int SHORTSTRING = 32;
+const char mosaic_version[] = "0.2";
+
+#define PI M_PI
+  
+double *x, *y, *dx, *dy, *area, *angle_dx, *angle_dy; 
+int nx, ny, nxp, nyp;
+char *old_file = NULL;
+
+int main(int argc, char* argv[])
+{
+/* ----------------------------- */
+  extern char *optarg;
+  char *pch=NULL, history[512], entry[1280];
+  char tilefile[MAXTILE][STRING], tiletype[MAXTILE][SHORTSTRING];
+  char tile_name[MAXTILE][STRING];
+  int ntiles=0, nfiles=0, ncontact=0;
+  double periodx=0, periody=0;
+  int contact_tile1[MAXCONTACT], contact_tile2[MAXCONTACT];
+  int contact_tile1_istart[MAXCONTACT], contact_tile1_iend[MAXCONTACT];
+  int contact_tile1_jstart[MAXCONTACT], contact_tile1_jend[MAXCONTACT];
+  int contact_tile2_istart[MAXCONTACT], contact_tile2_iend[MAXCONTACT];
+  int contact_tile2_jstart[MAXCONTACT], contact_tile2_jend[MAXCONTACT];
+  char mosaic_name[128] = "atmos_mosaic";
+  char mosaic_dir[256]  = "./" ;
+  char grid_descriptor[128] = "";
+  int c, i, n, m, l, errflg, check=0;
+
+  char atmos_name[128]="atmos", land_name[128]="land", ocean_name[128]="ocean";
+  char agrid_file[128], lgrid_file[128], ogrid_file[128];
+
+  int is_coupled_grid = 0, is_ocean_only =1; 
+  int interp_order=1;
+  
+  int option_index;
+  static struct option long_options[] = {
+    {"input_file",       required_argument, NULL, 'o'},
+    {"mosaic_dir",       required_argument, NULL, 'd'},    
+    {NULL, 0, NULL, 0}
+  };
+
+/* ----------------------------- */
+
+  mpp_init(&argc, &argv); /* Initilize */ 
+  //mpp_domain_init();  
+
+  while ((c = getopt_long(argc, argv, "h", long_options, &option_index) ) != -1)
+    switch (c) {
+      case 'o':
+	old_file = optarg;
+	break;
+      case 'd':
+        strcpy(mosaic_dir, optarg);
+	break;
+    }
+
+  if(!old_file) mpp_error("Usage:\n \t \t transfer_to_mosaic --input_file input_file.nc");
+  if(mpp_field_exist(old_file, "AREA_ATMxOCN") ) is_coupled_grid = 1;
+  if(mpp_field_exist(old_file, "AREA_ATM") ) is_ocean_only = 0;
+  if(mpp_field_exist(old_file, "DI_ATMxOCN") ) interp_order= 2;
+// -----------------ocean_hgrid.nc---------------------------------[
+// Ocean
+{
+  int nx_C, ny_C, nx_T, ny_T, nvertex;
+  int fid_old, vid;
+  
+  double *x_C, *y_C, *x_T, *y_T;
+  double *x_vert_T, *y_vert_T;
+
+
+  double *ds_00_02_C, *ds_00_20_C, *ds_01_11_C, *ds_01_21_C, *ds_02_22_C, 
+         *ds_10_11_C, *ds_10_12_C, *ds_11_21_C, *ds_11_12_C, *ds_20_22_C, 
+         *ds_01_11_T, *ds_01_21_T, *ds_02_22_T, *ds_10_11_T, *ds_10_12_T, 
+         *ds_11_12_T, *ds_11_21_T, *ds_20_22_T, 
+         *ds_01_21_E, *ds_10_12_N, *angle_C; 
+
+ 
+  int i,j,k, i1, i2, j1, j2, k0, k1, k2, k3;
+  int ji, ji0, ji1, ji2, ji3;
+  int j1i1, j1i2, j2i1, j2i2; 
+  double unknown = 0.0; /* double unknown = -1.0E+10; */
+
+  fid_old = mpp_open(old_file, MPP_READ);
+  nx_C = mpp_get_dimlen(fid_old, "grid_x_C");
+  ny_C = mpp_get_dimlen(fid_old, "grid_y_C");
+  nx_T = mpp_get_dimlen(fid_old, "grid_x_T");
+  ny_T = mpp_get_dimlen(fid_old, "grid_y_T");
+  nvertex = mpp_get_dimlen(fid_old, "vertex");
+
+  printf("\nReading file: %s \n", old_file); 
+
+
+/* Reading Ocean Grid Variables */
+  x_C = (double *) malloc(ny_C * nx_C * sizeof(double)); 
+  y_C = (double *) malloc(ny_C * nx_C * sizeof(double));
+  x_T = (double *) malloc(ny_T * nx_T * sizeof(double));
+  y_T = (double *) malloc(ny_T * nx_T * sizeof(double));
+  x_vert_T = (double *) malloc(nvertex*ny_T*nx_T*sizeof(double));
+  y_vert_T = (double *) malloc(nvertex*ny_T*nx_T*sizeof(double));
+  ds_01_11_C = (double *) malloc(ny_C * nx_C * sizeof(double)); 
+  ds_10_11_C = (double *) malloc(ny_C * nx_C * sizeof(double)); 
+  ds_11_21_C = (double *) malloc(ny_C * nx_C * sizeof(double)); 
+  ds_11_12_C = (double *) malloc(ny_C * nx_C * sizeof(double)); 
+  ds_01_11_T = (double *) malloc(ny_T * nx_T * sizeof(double));  
+  ds_10_11_T = (double *) malloc(ny_T * nx_T * sizeof(double));  
+  ds_11_12_T = (double *) malloc(ny_T * nx_T * sizeof(double));  
+  ds_11_21_T = (double *) malloc(ny_T * nx_T * sizeof(double));
+  ds_02_22_T = (double *) malloc(ny_T * nx_T * sizeof(double));  
+  ds_20_22_T = (double *) malloc(ny_T * nx_T * sizeof(double));
+  angle_C    = (double *) malloc(ny_C * nx_C * sizeof(double));
+  
+  vid = mpp_get_varid(fid_old, "x_C"); mpp_get_var_value(fid_old, vid, x_C);
+  vid = mpp_get_varid(fid_old, "y_C"); mpp_get_var_value(fid_old, vid, y_C);
+  vid = mpp_get_varid(fid_old, "x_T"); mpp_get_var_value(fid_old, vid, x_T);
+  vid = mpp_get_varid(fid_old, "y_T"); mpp_get_var_value(fid_old, vid, y_T);
+  vid = mpp_get_varid(fid_old, "x_vert_T"); mpp_get_var_value(fid_old, vid, x_vert_T);
+  vid = mpp_get_varid(fid_old, "y_vert_T"); mpp_get_var_value(fid_old, vid, y_vert_T);
+  vid = mpp_get_varid(fid_old, "ds_01_11_C"); mpp_get_var_value(fid_old, vid, ds_01_11_C);  
+  vid = mpp_get_varid(fid_old, "ds_10_11_C"); mpp_get_var_value(fid_old, vid, ds_10_11_C);
+  vid = mpp_get_varid(fid_old, "ds_11_21_C"); mpp_get_var_value(fid_old, vid, ds_11_21_C);    
+  vid = mpp_get_varid(fid_old, "ds_11_12_C"); mpp_get_var_value(fid_old, vid, ds_11_12_C);
+  vid = mpp_get_varid(fid_old, "ds_01_11_T"); mpp_get_var_value(fid_old, vid, ds_01_11_T);  
+  vid = mpp_get_varid(fid_old, "ds_10_11_T"); mpp_get_var_value(fid_old, vid, ds_10_11_T);
+  vid = mpp_get_varid(fid_old, "ds_11_21_T"); mpp_get_var_value(fid_old, vid, ds_11_21_T);    
+  vid = mpp_get_varid(fid_old, "ds_11_12_T"); mpp_get_var_value(fid_old, vid, ds_11_12_T);  
+  vid = mpp_get_varid(fid_old, "ds_02_22_T"); mpp_get_var_value(fid_old, vid, ds_02_22_T);    
+  vid = mpp_get_varid(fid_old, "ds_20_22_T"); mpp_get_var_value(fid_old, vid, ds_20_22_T);  
+  vid = mpp_get_varid(fid_old, "angle_C"); mpp_get_var_value(fid_old, vid, angle_C);  
+  mpp_close(fid_old);
+  
+  nx = 2*nx_T;  nxp = nx +1;
+  ny = 2*ny_T;  nyp = ny +1;
+  x = (double *) malloc(nxp*nyp * sizeof(double));
+  y = (double *) malloc(nxp*nyp* sizeof(double));
+  dx = (double *) malloc(nx*nyp * sizeof(double));
+  dy = (double *) malloc(nxp*ny * sizeof(double));
+  area = (double *) malloc(nx*ny * sizeof(double));
+  angle_dx = (double *) malloc(nxp*nyp * sizeof(double));
+
+  for(j = 0; j<ny_T; j++) {
+  for(i = 0; i<nx_T; i++) {
+
+	i2=2*(i+1); i1=i2-1;   j2=2*(j+1); j1=j2-1;
+
+  	j1i1=j1*nxp+i1; j1i2=j1*nxp+i2; j2i2=j2*nxp+i2; j2i1=j2*nxp+i1; 
+	ji=j*nx_T+i;
+	ji0=ji; ji1=ji0+nx_T*ny_T; ji2=ji1+nx_T*ny_T; ji3=ji2+nx_T*ny_T;
+
+        x[j1i1] = x_T[ji];
+        x[j1i2] = 0.5*(x_vert_T[ji1]+x_vert_T[ji2]);
+        x[j2i2] = x_vert_T[ji2];
+        x[j2i1] = 0.5*(x_vert_T[ji3]+x_vert_T[ji2]);
+
+        y[j1i1] = y_T[ji];
+        y[j1i2] = 0.5*(y_vert_T[ji1]+y_vert_T[ji2]);
+        y[j2i2] = y_vert_T[ji2];
+        y[j2i1] = 0.5*(y_vert_T[ji3]+y_vert_T[ji2]);
+
+/*      Mapping distance to new mosaic grid format from old grid
+
+	       dx(1,1)=                  dx(2,1)=           
+   Ci-1,j------ds_11_21_C(i-1,j)---+-----ds_01_11_C(i,j)--------Ci,j
+	|                          |                            |
+	|                          |                            |
+	|                          |                            |
+	|                     ds_11_12_T                   ds_10_11_C(i,j)
+	|                          |                            |
+	|         dx(1,1)=         |          dx(2,1)=          |
+	+---------ds_01_11_T------Tij---------ds_11_21_T--------+
+	|                          |                            |
+	|                          |                            |
+	|                          |                            |
+	|                     ds_11_12_T                   ds_11_12_C(i,j-1)
+	|                          |                            |
+	|                          |                            |
+ Ci-1,j-1--------------------------+----------------------------Ci,j-1
+
+*/
+	dx[(2*j+1)*nx  + (2*i)]   = ds_01_11_T[j*nx_T + i];
+	dx[(2*j+1)*nx  + (2*i+1)] = ds_11_21_T[j*nx_T + i];
+	if(i>0) dx[(2*j+2)*nx  + (2*i)]   = ds_11_21_C[j*nx_T + (i-1)];
+	dx[(2*j+2)*nx  + (2*i+1)] = ds_01_11_C[j*nx_T + i];
+
+	dy[(2*j  )*nxp + (2*i+1)]   = ds_10_11_T[j*nx_T + i];
+	if(j>0) dy[(2*j  )*nxp + (2*i+2)]   = ds_11_12_C[(j-1)*nx_T + i];
+	dy[(2*j+1)*nxp + (2*i+1)]   = ds_11_12_T[j*nx_T + i];
+	dy[(2*j+1)*nxp + (2*i+2)]   = ds_10_11_C[j*nx_T + i];
+
+	angle_dx[(2*j+1)*nxp + 2*i+1] = unknown;
+	angle_dx[(2*j+1)*nxp + 2*i+2] = unknown;
+	angle_dx[(2*j+2)*nxp + 2*i+1] = unknown;
+	angle_dx[(2*j+2)*nxp + 2*i+2] = angle_C[j*nx_C + i ]; 
+
+	if (j==0) {
+           x[i1] = 0.5*(x_vert_T[ji0]+x_vert_T[ji1]);
+           x[i2] = x_vert_T[ji1];
+           y[i1] = 0.5*(y_vert_T[ji0]+y_vert_T[ji1]);
+           y[i2] = y_vert_T[ji1];
+
+	   dx[ (2*i+0)] = unknown;
+	   dx[ (2*i+1)] = unknown;
+	   /* dy[(2*j  )*nxp + (2*i+2)]   = unknown; */
+	   dy[(2*j  )*nxp + (2*i+2)]   = ds_20_22_T[j*nx_T + i] - ds_10_11_C[j*nx_T + i];
+
+	   angle_dx[2*i+1] = unknown;
+	   angle_dx[2*i+2] = unknown;
+	}
+
+	if (i==0) {
+           x[j1*nxp] = 0.5*(x_vert_T[ji0]+x_vert_T[ji3]);
+           x[j2*nxp] = x_vert_T[ji3];
+           y[j1*nxp] = 0.5*(y_vert_T[ji0]+y_vert_T[ji3]);
+           y[j2*nxp] = y_vert_T[ji3];
+
+	   /* dx[(2*j+2)*nx  + (2*i)]   = unknown;*/
+	   dx[(2*j+2)*nx  + (2*i)]   = ds_02_22_T[j*nx_T + i] - ds_01_11_C[j*nx_T + i];
+	   dy[(2*j  )*nxp ]    = unknown;
+	   dy[(2*j+1)*nxp ]    = unknown;
+
+  	   angle_dx[(2*j+1)*nxp] = unknown;
+  	   angle_dx[(2*j+2)*nxp] = unknown;
+	}
+	if (i==0 && j==0) {
+           x[0] = x_vert_T[ji0]; y[0] = y_vert_T[ji0];
+  	   angle_dx[0] = unknown;
+	}
+
+  }
+  }
+
+  //for(j = 0; j<nyp; j++) { for(i = 0; i<nxp; i++) { if(angle_dx[j*nxp+i]>0.0) printf("%d %d %f\n ",i,j,angle_dx[j*nxp+i]); } }
+  //for(j = 0; j<ny_T; j++) { printf("%f ",y_C[j*nx_T+(nx_T+0)/4]); }
+  //for(i = 0; i<nx_T; i++) { if(y_T[(ny_T-1)*nx_T+i]>85.) printf("%f ",y_T[(ny_T-1)*nx_T+i]); }
+  //printf("\n\n");
+  //for(j = 0; j<nyp; j++) { printf("%f ",y[j*nxp+(nxp-1)/4]); }
+  //for(i = 0; i<nxp; i++) { if(y[(nyp-1)*nxp+i]>85.) printf("%f ",y[(nyp-1)*nxp+i]); }
+
+
+  /* write ocean-grid data */
+  /*-------ocean_hgrid.nc-------*/
+  {
+    int fid, id_tile, id_x, id_y, id_dx, id_dy, id_area, id_angle_dx, id_angle_dy, id_arcx;
+    int dimlist[5], dims[2], i, j, l, ni, nj, nip, njp;
+    char tile_spec_version[] = "0.2", geometry[] = "spherical", discretization[] = "logically_rectangular", conformal[]="true";
+    char outfile[128] = "", tilename[128]="";
+    size_t start[4], nwrite[4];
+    
+	  sprintf(outfile, "%s_hgrid.nc",ocean_name);
+	  printf("Writing %s\n", outfile);
+          printf("\t nx_C=%d, ny_C=%d, x_T=%d, ny_T=%d \n", nx_C, ny_C,nx_T, ny_T); 
+          sprintf(tilename, "tile%d", 1);
+          fid = mpp_open(outfile, MPP_WRITE);
+
+          dimlist[0] = mpp_def_dim(fid, "string", STRINGLEN);
+          dimlist[1] = mpp_def_dim(fid, "nxp", nxp);
+          dimlist[2] = mpp_def_dim(fid, "nyp", nyp);
+          dimlist[3] = mpp_def_dim(fid, "nx", nx);
+          dimlist[4] = mpp_def_dim(fid, "ny", ny);
+
+          id_tile = mpp_def_var(fid, "tile", MPP_CHAR, 1, dimlist, 5, "standard_name", "grid_tile_spec",
+                                "tile_spec_version", tile_spec_version, "geometry", geometry,
+                                "discretization", discretization, "conformal", conformal );
+
+
+          dims[0] = dimlist[2]; dims[1] = dimlist[1];
+          id_x = mpp_def_var(fid, "x", MPP_DOUBLE, 2, dims, 2, "standard_name", "geographic_longitude",
+                             "units", "degree_east");
+          id_y = mpp_def_var(fid, "y", MPP_DOUBLE, 2, dims, 2, "standard_name", "geographic_latitude",
+                             "units", "degree_north");
+
+          dims[0] = dimlist[2]; dims[1] = dimlist[3];
+          id_dx = mpp_def_var(fid, "dx", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_edge_x_distance",
+                             "units", "meters");
+          dims[0] = dimlist[4]; dims[1] = dimlist[1];
+          id_dy = mpp_def_var(fid, "dy", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_edge_y_distance",
+                             "units", "meters");
+
+          dims[0] = dimlist[2]; dims[1] = dimlist[1];
+          id_angle_dx= mpp_def_var(fid, "angle_dx", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_vertex_x_angle_WRT_geographic_east",
+                             "units", "degrees_east");
+
+          dims[0] = dimlist[4]; dims[1] = dimlist[3];
+          id_area= mpp_def_var(fid, "area", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_cell_area",
+                             "units", "m2");
+
+          mpp_end_def(fid);
+
+	  for(i=0; i<4; i++) { start[i] = 0; nwrite[i] = 0; }
+	  nwrite[0] = strlen(tilename);
+	  mpp_put_var_value_block(fid, id_tile, start, nwrite, tilename );
+          mpp_put_var_value(fid, id_x, x);
+          mpp_put_var_value(fid, id_y, y);
+          mpp_put_var_value(fid, id_dx, dx);
+          mpp_put_var_value(fid, id_dy, dy);
+          mpp_put_var_value(fid, id_angle_dx, angle_dx);
+          mpp_close(fid);
+  }
+}
+// ----------------------------------------------------------------]
+// -----------------atmos_hgrid.nc---------------------------------[
+// Atmosphere
+  int nxba, nyba, nxta, nyta, nxap, nyap;
+if(is_coupled_grid) {
+  double *x_atmos, *y_atmos;
+  double *xba, *yba, *xta, *yta;
+  int i,j, fid_old, vid;
+
+  fid_old = mpp_open(old_file, MPP_READ);
+  nxba = mpp_get_dimlen(fid_old, "xba");
+  nyba = mpp_get_dimlen(fid_old, "yba");
+  nxta = mpp_get_dimlen(fid_old, "xta");
+  nyta = mpp_get_dimlen(fid_old, "yta");
+  xba = (double *) malloc(nxba * sizeof(double)); 
+  yba = (double *) malloc(nyba * sizeof(double)); 
+  xta = (double *) malloc(nxta * sizeof(double)); 
+  yta = (double *) malloc(nyta * sizeof(double)); 
+  vid = mpp_get_varid(fid_old, "xba"); mpp_get_var_value(fid_old, vid, xba);
+  vid = mpp_get_varid(fid_old, "yba"); mpp_get_var_value(fid_old, vid, yba);
+  vid = mpp_get_varid(fid_old, "xta"); mpp_get_var_value(fid_old, vid, xta);
+  vid = mpp_get_varid(fid_old, "yta"); mpp_get_var_value(fid_old, vid, yta);
+  mpp_close(fid_old);
+  
+  nxap = nxba + nxta; nyap = nyba + nyta; 
+  x_atmos = (double *) malloc(nxap*nyap * sizeof(double));
+  y_atmos = (double *) malloc(nxap*nyap * sizeof(double));
+
+  for(i = 0; i<nxba; i++) x_atmos[2*i]   = xba[i]; for(i = 0; i<nxta; i++) x_atmos[2*i+1]   = xta[i]; 
+
+  for(j = 0; j<nyba; j++) y_atmos[2*j*nxap]   = yba[j]; 
+  for(j = 0; j<nyta; j++) y_atmos[(2*j+1)*nxap]   = yta[j]; 
+
+  for(j = 1; j<nyap; j++) for(i = 0; i<nxap; i++) x_atmos[j*nxap + i]   = x_atmos[i];
+  for(i = 1; i<nxap; i++) for(j = 0; j<nyap; j++) y_atmos[j*nxap + i]   = y_atmos[j*nxap];
+
+  /* write Atmosphere-grid data */
+  {
+    int fid, id_tile, id_x, id_y, id_dx, id_dy, id_area, id_angle_dx, id_angle_dy, id_arcx;
+    int dimlist[5], dims[2], i, j, l, ni, nj, nip, njp;
+    char tile_spec_version[] = "0.2", geometry[] = "spherical", discretization[] = "logically_rectangular", conformal[]="true";
+    char outfile[128] = "", tilename[128]="";
+    size_t start[4], nwrite[4];
+    
+          sprintf(outfile, "%s_hgrid.nc", atmos_name);
+	  printf("Writing %s\n", outfile);
+          printf("\t nxba=%d, nyba=%d, nxta=%d, nyta=%d \n", nxba, nyba,nxta, nyta); 
+
+          sprintf(tilename, "tile%d", 1);
+          fid = mpp_open(outfile, MPP_WRITE);
+          dimlist[0] = mpp_def_dim(fid, "string", STRINGLEN);
+          dimlist[1] = mpp_def_dim(fid, "nxp", nxap);
+          dimlist[2] = mpp_def_dim(fid, "nyp", nyap);
+          dimlist[3] = mpp_def_dim(fid, "nx", nxap-1);
+          dimlist[4] = mpp_def_dim(fid, "ny", nyap-1);
+          id_tile = mpp_def_var(fid, "tile", MPP_CHAR, 1, dimlist, 5, "standard_name", "grid_tile_spec", "tile_spec_version", 
+			tile_spec_version, "geometry", geometry, "discretization", discretization, "conformal", conformal );
+          dims[0] = dimlist[2]; dims[1] = dimlist[1];
+          id_x = mpp_def_var(fid, "x", MPP_DOUBLE, 2, dims, 2, "standard_name", "geographic_longitude", "units", "degree_east");
+          id_y = mpp_def_var(fid, "y", MPP_DOUBLE, 2, dims, 2, "standard_name", "geographic_latitude", "units", "degree_north");
+
+          /* Following variables are not defined */
+          dims[0] = dimlist[2]; dims[1] = dimlist[3];
+          id_dx = mpp_def_var(fid, "dx", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_edge_x_distance", "units", "meters");
+          dims[0] = dimlist[4]; dims[1] = dimlist[1];
+          id_dy = mpp_def_var(fid, "dy", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_edge_y_distance", "units", "meters");
+          dims[0] = dimlist[2]; dims[1] = dimlist[1];
+          id_angle_dx= mpp_def_var(fid, "angle_dx", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_vertex_x_angle_WRT_geographic_east",
+                             "units", "degrees_east");
+          dims[0] = dimlist[4]; dims[1] = dimlist[3];
+          id_angle_dx= mpp_def_var(fid, "area", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_cell_area", "units", "m2");
+	  /* ------------------------------------------- */
+          mpp_end_def(fid);
+	  for(i=0; i<4; i++) { start[i] = 0; nwrite[i] = 0; }
+	  nwrite[0] = strlen(tilename);
+          mpp_put_var_value_block(fid, id_tile, start, nwrite, tilename );
+          mpp_put_var_value(fid, id_x, x_atmos);
+          mpp_put_var_value(fid, id_y, y_atmos);
+          mpp_close(fid);
+  }
+  free(xba); free(yba); free(xta); free(yta);  free(x_atmos); free(y_atmos);
+}
+// ----------------------------------------------------------------]
+
+//.................. Land .......................
+//..................land_hgrid.nc................
+ int nxbl, nybl, nxtl, nytl,  nxlp, nylp;
+if(is_coupled_grid){
+  double *x_land, *y_land;
+  double *xbl, *ybl, *xtl, *ytl;
+  int i,j, fid_old, vid;
+
+  fid_old = mpp_open(old_file, MPP_READ);
+  
+  nxbl = mpp_get_dimlen(fid_old, "xbl");
+  nybl = mpp_get_dimlen(fid_old, "ybl");
+  nxtl = mpp_get_dimlen(fid_old, "xtl");
+  nytl = mpp_get_dimlen(fid_old, "ytl");
+  xbl = (double *) malloc(nxbl * sizeof(double)); 
+  ybl = (double *) malloc(nybl * sizeof(double)); 
+  xtl = (double *) malloc(nxtl * sizeof(double)); 
+  ytl = (double *) malloc(nytl * sizeof(double)); 
+  vid = mpp_get_varid(fid_old, "xbl"); mpp_get_var_value(fid_old, vid, xbl);
+  vid = mpp_get_varid(fid_old, "ybl"); mpp_get_var_value(fid_old, vid, ybl);
+  vid = mpp_get_varid(fid_old, "xtl"); mpp_get_var_value(fid_old, vid, xtl);
+  vid = mpp_get_varid(fid_old, "ytl"); mpp_get_var_value(fid_old, vid, ytl);
+  mpp_close(fid_old);
+  
+  nxlp = nxbl + nxtl; nylp = nybl + nytl; 
+  x_land  = (double *) malloc(nxlp*nylp * sizeof(double));
+  y_land  = (double *) malloc(nxlp*nylp * sizeof(double));
+  
+  for(i = 0; i<nxbl; i++) x_land[2*i]   = xbl[i]; 
+  for(i = 0; i<nxtl; i++) x_land[2*i+1]   = xtl[i]; 
+
+  for(j = 0; j<nybl; j++) y_land[2*j*nxlp]   = ybl[j]; 
+  for(j = 0; j<nytl; j++) y_land[(2*j+1)*nxlp]   = ytl[j]; 
+
+  for(j = 1; j<nylp; j++) for(i = 0; i<nxlp; i++) x_land[j*nxlp + i]   = x_land[i];
+
+  for(i = 1; i<nxlp; i++) 
+	for(j = 0; j<nylp; j++) 
+		y_land[j*nxlp + i]   = y_land[j*nxlp];
+
+  /* write Land-grid data */
+  {
+    int fid, id_tile, id_x, id_y, id_dx, id_dy, id_area, id_angle_dx, id_angle_dy, id_arcx;
+    int dimlist[5], dims[2], i, j, l, ni, nj, nip, njp;
+    char tile_spec_version[] = "0.2", geometry[] = "spherical", discretization[] = "logically_rectangular", conformal[]="true";
+    char outfile[128] = "", tilename[128]="";
+    size_t start[4], nwrite[4];
+    
+          sprintf(outfile, "%s_hgrid.nc",land_name);
+	  printf("Writing %s\n", outfile);
+          printf("\t nxbl=%d, nybl=%d, nxtl=%d, nytl=%d \n", nxbl, nybl,nxtl, nytl); 
+
+          sprintf(tilename, "tile%d", 1);
+        fid = mpp_open(outfile, MPP_WRITE);
+          dimlist[0] = mpp_def_dim(fid, "string", STRINGLEN);
+          dimlist[1] = mpp_def_dim(fid, "nxp", nxlp);
+          dimlist[2] = mpp_def_dim(fid, "nyp", nylp);
+          dimlist[3] = mpp_def_dim(fid, "nx", nxlp-1);
+          dimlist[4] = mpp_def_dim(fid, "ny", nylp-1);
+          id_tile = mpp_def_var(fid, "tile", MPP_CHAR, 1, dimlist, 5, "standard_name", "grid_tile_spec", "tile_spec_version", 
+			tile_spec_version, "geometry", geometry, "discretization", discretization, "conformal", conformal );
+          dims[0] = dimlist[2]; dims[1] = dimlist[1];
+          id_x = mpp_def_var(fid, "x", MPP_DOUBLE, 2, dims, 2, "standard_name", "geographic_longitude", "units", "degree_east");
+          id_y = mpp_def_var(fid, "y", MPP_DOUBLE, 2, dims, 2, "standard_name", "geographic_latitude", "units", "degree_north");
+
+          /* Following variables are not defined */
+          dims[0] = dimlist[2]; dims[1] = dimlist[3];
+          id_dx = mpp_def_var(fid, "dx", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_edge_x_distance", "units", "meters");
+          dims[0] = dimlist[4]; dims[1] = dimlist[1];
+          id_dy = mpp_def_var(fid, "dy", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_edge_y_distance", "units", "meters");
+          dims[0] = dimlist[2]; dims[1] = dimlist[1];
+          id_angle_dx= mpp_def_var(fid, "angle_dx", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_vertex_x_angle_WRT_geographic_east",
+                             "units", "degrees_east");
+          dims[0] = dimlist[4]; dims[1] = dimlist[3];
+          id_angle_dx= mpp_def_var(fid, "area", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_cell_area", "units", "m2");
+          /* ------------------------------------------- */
+
+          mpp_end_def(fid);
+	  for(i=0; i<4; i++) { start[i] = 0; nwrite[i] = 0; }
+	  nwrite[0] = strlen(tilename);
+          mpp_put_var_value_block(fid, id_tile, start, nwrite, tilename );
+          mpp_put_var_value(fid, id_x, x_land);
+          mpp_put_var_value(fid, id_y, y_land);
+          mpp_close(fid);
+  }
+  free(xbl); free(ybl); free(xtl); free(ytl);  free(x_land); free(y_land);
+}
+//-------------------------------ocean_vgrid.nc----------------------------------
+{ 
+  double *z, *zb, *zt;
+  int nzb, nzt, nz, i,j, fid_old, vid;
+
+  fid_old = mpp_open(old_file, MPP_READ);
+  nzb = mpp_get_dimlen(fid_old, "zb");
+  nzt = mpp_get_dimlen(fid_old, "zt");
+  zb = (double *) malloc(nzb * sizeof(double)); 
+  zt = (double *) malloc(nzt * sizeof(double)); 
+  vid = mpp_get_varid(fid_old, "zb"); mpp_get_var_value(fid_old, vid, zb);
+  vid = mpp_get_varid(fid_old, "zt"); mpp_get_var_value(fid_old, vid, zt);
+  mpp_close(fid_old);
+  
+  nz = nzb + nzt + 1; 
+  z = (double *) malloc(nz * sizeof(double));
+  z[0]=0.0; 
+  for(i = 0; i<nzt; i++) { z[2*i + 1]   = zt[i]; z[2*i+2]   = zb[i]; } 
+
+  {
+    int fid, dim, varid;
+    char outfile[128] = "";
+
+    	sprintf(outfile, "%s_vgrid.nc",ocean_name);
+	printf("Writing %s\n", outfile);
+        printf("\t nzb=%d, nzt=%d\n", nzb, nzt); 
+
+    	fid = mpp_open(outfile, MPP_WRITE);
+    	  dim  = mpp_def_dim(fid, "nzv", nz);
+    	  varid = mpp_def_var(fid, "zeta", MPP_DOUBLE, 1, &dim, 2, "standard_name", "vertical_grid_vertex", "units", "meters");
+    	  mpp_end_def(fid);
+    	  mpp_put_var_value(fid, varid, z);
+    	mpp_close(fid);
+  }
+  free(zb); free(zt); free(z);
+}
+
+
+//-------------------------------topog.nc----------------------------------
+{ 
+  double *depth_t;
+  int nx, ny, ntiles, i,j, fid_old, vid;
+
+  fid_old = mpp_open(old_file, MPP_READ);  
+  nx= mpp_get_dimlen(fid_old, "grid_x_T");
+  ny= mpp_get_dimlen(fid_old, "grid_y_T");
+  depth_t= (double *) malloc(nx*ny* sizeof(double));
+  vid = mpp_get_varid(fid_old, "depth_t");  mpp_get_var_value(fid_old, vid, depth_t);
+  mpp_close(fid_old);
+  
+  {
+    int fid, dim[2], varid, ntiles = 1, dim_ntile;
+    char outfile[128] = "";
+        sprintf(outfile, "topog.nc");
+	printf("Writing %s\n", outfile);
+        printf("\t nx=%d, ny=%d\n", nx, ny);
+        fid = mpp_open(outfile, MPP_WRITE);
+	dim_ntile = mpp_def_dim(fid, "ntiles", 1);
+          dim[1]  = mpp_def_dim(fid, "nx", nx);
+          dim[0]  = mpp_def_dim(fid, "ny", ny);
+          varid = mpp_def_var(fid, "depth", MPP_DOUBLE, 2, dim, 2, "standard_name", "topographic depth at T-cell centers", "units", "meters");
+          mpp_end_def(fid);
+          mpp_put_var_value(fid, varid, depth_t);
+        mpp_close(fid);
+  }
+  free(depth_t); 
+}
+
+//................atmos_mosaic.nc............................
+ if(is_coupled_grid)  {
+    char str[STRING], outfile[STRING];
+    int fid, dim_ntiles, dim_ncontact, dim_string, id_mosaic, id_gridtiles, id_contacts;
+    int id_contact_index, id_griddir, id_gridfiles, dim[2];
+
+    size_t start[4], nwrite[4];
+
+//--------Initilize values --------------
+    ntiles = 1, ncontact = 0; 
+
+    sprintf(mosaic_name, "%s_mosaic",atmos_name);
+    sprintf(outfile, "%s.nc", mosaic_name);
+    printf("Writing %s\n", outfile);
+
+    sprintf(tile_name[0], "tile%d", 1);
+    sprintf(tilefile[0], "%s_hgrid.nc",atmos_name);
+    fid = mpp_open(outfile, MPP_WRITE);
+
+    contact_tile1_istart[0]=nxba-1; contact_tile1_iend[0]=nxba-1; 
+    contact_tile1_jstart[0]=1; contact_tile1_jend[0]=nyba-1; 
+
+    contact_tile2_istart[0]=1; contact_tile2_iend[0]=1; 
+    contact_tile2_jstart[0]=1; contact_tile2_jend[0]=nyba-1;
+//--------Initilize values --------------
+
+    dim_ntiles = mpp_def_dim(fid, "ntiles", ntiles);
+    if(ncontact>0) dim_ncontact = mpp_def_dim(fid, "ncontact", ncontact);
+    dim_string = mpp_def_dim(fid, "string", STRING);
+
+    id_mosaic = mpp_def_var(fid, "mosaic", MPP_CHAR, 1, &dim_string, 5, "standard_name",
+                            "grid_mosaic_spec", "mosaic_spec_version", mosaic_version,
+                            "children", "gridtiles", "contact_regions", "contacts",
+                            "grid_descriptor", grid_descriptor);
+    dim[0] = dim_ntiles; dim[1] = dim_string;
+    id_griddir   = mpp_def_var(fid, "gridlocation", MPP_CHAR, 1, &dim[1], 1,
+                               "standard_name", "grid_file_location");
+    id_gridfiles = mpp_def_var(fid, "gridfiles", MPP_CHAR, 2, dim, 0);
+    id_gridtiles = mpp_def_var(fid, "gridtiles", MPP_CHAR, 2, dim, 0);
+
+    if(ncontact>0) {
+      dim[0] = dim_ncontact; dim[1] = dim_string;
+      id_contacts = mpp_def_var(fid, "contacts", MPP_CHAR, 2, dim, 5, "standard_name", "grid_contact_spec",
+                                "contact_type", "boundary", "alignment", "true",
+                                "contact_index", "contact_index", "orientation", "orient");
+      id_contact_index = mpp_def_var(fid, "contact_index", MPP_CHAR, 2, dim, 1, "standard_name",
+                                     "starting_ending_point_index_of_contact");
+
+    }
+
+    //mpp_def_global(fid, "history", history);
+    mpp_end_def(fid);
+
+    /* write out data */
+    for(i=0; i<4; i++) {
+      start[i] = 0; nwrite[i] = 1;
+    }
+    nwrite[0] = strlen(mosaic_name);
+    mpp_put_var_value_block(fid, id_mosaic, start, nwrite, mosaic_name);
+    nwrite[0] = strlen(mosaic_dir);
+    mpp_put_var_value_block(fid, id_griddir, start, nwrite, mosaic_dir);
+    nwrite[0] = 1;
+    for(n=0; n<ntiles; n++) {
+      start[0] = n; nwrite[1] = strlen(tile_name[n]);
+      mpp_put_var_value_block(fid, id_gridtiles, start, nwrite, tile_name[n]);
+      nwrite[1] = strlen(tilefile[n]);
+      mpp_put_var_value_block(fid, id_gridfiles, start, nwrite, tilefile[n]);
+    }
+
+    for(n=0; n<ncontact; n++) {
+      sprintf(str,"%s:%s::%s:%s", mosaic_name, tile_name[contact_tile1[n]], mosaic_name,
+              tile_name[contact_tile2[n]]);
+      start[0] = n; nwrite[1] = strlen(str);
+      mpp_put_var_value_block(fid, id_contacts, start, nwrite, str);
+      sprintf(str,"%d:%d,%d:%d::%d:%d,%d:%d", contact_tile1_istart[n], contact_tile1_iend[n],
+              contact_tile1_jstart[n], contact_tile1_jend[n], contact_tile2_istart[n],
+              contact_tile2_iend[n], contact_tile2_jstart[n], contact_tile2_jend[n] );
+      nwrite[1] = strlen(str);
+      mpp_put_var_value_block(fid, id_contact_index, start, nwrite, str);
+    }
+    mpp_close(fid);
+  }
+
+//................land_mosaic.nc............................
+ if(is_coupled_grid)  {
+    char str[STRING], outfile[STRING];
+    int fid, dim_ntiles, dim_ncontact, dim_string, id_mosaic, id_gridtiles, id_contacts;
+    int id_contact_index, id_griddir, id_gridfiles, dim[2];
+
+    size_t start[4], nwrite[4];
+
+//--------Initilize values --------------
+    ntiles = 1, ncontact = 1; 
+    contact_tile1_istart[1]=1; contact_tile1_iend[1]=1;
+    contact_tile1_jstart[1]=1; contact_tile1_jend[1]=nytl;
+
+    contact_tile2_istart[1]=nxtl; contact_tile2_iend[1]=nxtl;
+    contact_tile2_jstart[1]=1;    contact_tile2_jend[1]=nytl;
+    
+    sprintf(mosaic_name, "%s_mosaic",land_name);
+    sprintf(outfile, "%s.nc", mosaic_name);
+    printf("Writing %s\n", outfile);
+
+    sprintf(tile_name[0], "tile%d", 1);
+    sprintf(tilefile[0], "%s_hgrid.nc",land_name);
+    fid = mpp_open(outfile, MPP_WRITE);
+
+    contact_tile1_istart[0]=nxbl-1; contact_tile1_iend[0]=nxbl-1; 
+    contact_tile1_jstart[0]=1; contact_tile1_jend[0]=nybl-1; 
+
+    contact_tile2_istart[0]=1; contact_tile2_iend[0]=1; 
+    contact_tile2_jstart[0]=1; contact_tile2_jend[0]=nybl-1;
+//--------Initilize values --------------
+
+    dim_ntiles = mpp_def_dim(fid, "ntiles", ntiles);
+    if(ncontact>0) dim_ncontact = mpp_def_dim(fid, "ncontact", ncontact);
+    dim_string = mpp_def_dim(fid, "string", STRING);
+
+    id_mosaic = mpp_def_var(fid, "mosaic", MPP_CHAR, 1, &dim_string, 5, "standard_name",
+                            "grid_mosaic_spec", "mosaic_spec_version", mosaic_version,
+                            "children", "gridtiles", "contact_regions", "contacts",
+                            "grid_descriptor", grid_descriptor);
+    dim[0] = dim_ntiles; dim[1] = dim_string;
+    id_griddir   = mpp_def_var(fid, "gridlocation", MPP_CHAR, 1, &dim[1], 1,
+                               "standard_name", "grid_file_location");
+    id_gridfiles = mpp_def_var(fid, "gridfiles", MPP_CHAR, 2, dim, 0);
+    id_gridtiles = mpp_def_var(fid, "gridtiles", MPP_CHAR, 2, dim, 0);
+
+    if(ncontact>0) {
+      dim[0] = dim_ncontact; dim[1] = dim_string;
+      id_contacts = mpp_def_var(fid, "contacts", MPP_CHAR, 2, dim, 5, "standard_name", "grid_contact_spec",
+                                "contact_type", "boundary", "alignment", "true",
+                                "contact_index", "contact_index", "orientation", "orient");
+      id_contact_index = mpp_def_var(fid, "contact_index", MPP_CHAR, 2, dim, 1, "standard_name",
+                                     "starting_ending_point_index_of_contact");
+
+    }
+
+    //mpp_def_global(fid, "history", history);
+    mpp_end_def(fid);
+
+    /* write out data */
+    for(i=0; i<4; i++) {
+      start[i] = 0; nwrite[i] = 1;
+    }
+    nwrite[0] = strlen(mosaic_name);
+    mpp_put_var_value_block(fid, id_mosaic, start, nwrite, mosaic_name);
+    nwrite[0] = strlen(mosaic_dir);
+    mpp_put_var_value_block(fid, id_griddir, start, nwrite, mosaic_dir);
+    nwrite[0] = 1;
+    for(n=0; n<ntiles; n++) {
+      start[0] = n; nwrite[1] = strlen(tile_name[n]);
+      mpp_put_var_value_block(fid, id_gridtiles, start, nwrite, tile_name[n]);
+      nwrite[1] = strlen(tilefile[n]);
+      mpp_put_var_value_block(fid, id_gridfiles, start, nwrite, tilefile[n]);
+    }
+
+    for(n=0; n<ncontact; n++) {
+      sprintf(str,"%s:%s::%s:%s", mosaic_name, tile_name[contact_tile1[n]], mosaic_name,
+              tile_name[contact_tile2[n]]);
+      start[0] = n; nwrite[1] = strlen(str);
+      mpp_put_var_value_block(fid, id_contacts, start, nwrite, str);
+      sprintf(str,"%d:%d,%d:%d::%d:%d,%d:%d", contact_tile1_istart[n], contact_tile1_iend[n],
+              contact_tile1_jstart[n], contact_tile1_jend[n], contact_tile2_istart[n],
+              contact_tile2_iend[n], contact_tile2_jstart[n], contact_tile2_jend[n] );
+      nwrite[1] = strlen(str);
+      mpp_put_var_value_block(fid, id_contact_index, start, nwrite, str);
+    }
+    mpp_close(fid);
+  }
+
+/* ...................... ocean_mosaic.nc .................*/
+  {
+    char str[STRING], outfile[STRING], x_boundary_type1[255]="", y_boundary_type1[255]="";
+    int fid, dim_ntiles, dim_ncontact, dim_string, id_mosaic, id_gridtiles, id_contacts;
+    int id_contact_index, id_griddir, id_gridfiles, dim[2], itmp, fid_old;
+
+    size_t start[4], nwrite[4];
+
+//--------Initilize values --------------
+    ntiles = 1, ncontact = 0; 
+
+    sprintf(mosaic_name, "%s_mosaic",ocean_name);
+    sprintf(outfile, "%s.nc", mosaic_name);
+    printf("Writing %s\n", outfile);
+
+    sprintf(tile_name[0], "tile%d", 1);
+    sprintf(tilefile[0], "%s_hgrid.nc", ocean_name);
+    
+    /* ........... Read Boundary Type ................ */
+    fid_old = mpp_open(old_file, MPP_READ);
+    mpp_get_global_att(fid_old, "x_boundary_type",x_boundary_type1);
+    mpp_get_global_att(fid_old, "y_boundary_type",y_boundary_type1);
+    mpp_close(fid_old);
+    if (strcmp(x_boundary_type1, "cyclic")==0) {
+	n = ncontact; ncontact = ncontact + 1; 
+    	contact_tile1_istart[n]=360; contact_tile1_iend[n]=360; 
+    	contact_tile1_jstart[n]=1; contact_tile1_jend[n]=180; 
+
+    	contact_tile2_istart[n]=1; contact_tile2_iend[n]=1; 
+    	contact_tile2_jstart[n]=1; contact_tile2_jend[n]=180;
+	printf("\t x_boundary_type = %s, ncontact=%d \n",x_boundary_type1,ncontact);
+    }
+    
+    if (strcmp(y_boundary_type1, "fold_north_edge")==0) {
+	n = ncontact; ncontact = ncontact + 1; 
+        contact_tile1_istart[n]=1; contact_tile1_iend[n]=180;
+        contact_tile1_jstart[n]=180; contact_tile1_jend[n]=180;
+
+        contact_tile2_istart[n]=360; contact_tile2_iend[n]=181;
+        contact_tile2_jstart[n]=180; contact_tile2_jend[n]=180;
+	printf("\t y_boundary_type = %s, ncontact=%d \n",y_boundary_type1,ncontact);
+    }
+
+    fid = mpp_open(outfile, MPP_WRITE);
+
+//--------Initilize values --------------
+
+    dim_ntiles = mpp_def_dim(fid, "ntiles", ntiles);
+    if(ncontact>0) dim_ncontact = mpp_def_dim(fid, "ncontact", ncontact);
+    dim_string = mpp_def_dim(fid, "string", STRING);
+
+    id_mosaic = mpp_def_var(fid, "mosaic", MPP_CHAR, 1, &dim_string, 5, "standard_name",
+                            "grid_mosaic_spec", "mosaic_spec_version", mosaic_version,
+                            "children", "gridtiles", "contact_regions", "contacts",
+                            "grid_descriptor", grid_descriptor);
+    dim[0] = dim_ntiles; dim[1] = dim_string;
+    id_griddir   = mpp_def_var(fid, "gridlocation", MPP_CHAR, 1, &dim[1], 1,
+                               "standard_name", "grid_file_location");
+    id_gridfiles = mpp_def_var(fid, "gridfiles", MPP_CHAR, 2, dim, 0);
+    id_gridtiles = mpp_def_var(fid, "gridtiles", MPP_CHAR, 2, dim, 0);
+
+    if(ncontact>0) {
+      dim[0] = dim_ncontact; dim[1] = dim_string;
+      id_contacts = mpp_def_var(fid, "contacts", MPP_CHAR, 2, dim, 5, "standard_name", "grid_contact_spec",
+                                "contact_type", "boundary", "alignment", "true",
+                                "contact_index", "contact_index", "orientation", "orient");
+      id_contact_index = mpp_def_var(fid, "contact_index", MPP_CHAR, 2, dim, 1, "standard_name",
+                                     "starting_ending_point_index_of_contact");
+
+    }
+
+    //mpp_def_global(fid, "history", history);
+    mpp_end_def(fid);
+
+    /* write out data */
+    for(i=0; i<4; i++) {
+      start[i] = 0; nwrite[i] = 1;
+    }
+    nwrite[0] = strlen(mosaic_name);
+    mpp_put_var_value_block(fid, id_mosaic, start, nwrite, mosaic_name);
+    nwrite[0] = strlen(mosaic_dir);
+    mpp_put_var_value_block(fid, id_griddir, start, nwrite, mosaic_dir);
+    nwrite[0] = 1;
+    for(n=0; n<ntiles; n++) {
+      start[0] = n; nwrite[1] = strlen(tile_name[n]);
+      mpp_put_var_value_block(fid, id_gridtiles, start, nwrite, tile_name[n]);
+      nwrite[1] = strlen(tilefile[n]);
+      mpp_put_var_value_block(fid, id_gridfiles, start, nwrite, tilefile[n]);
+    }
+
+    for(n=0; n<ncontact; n++) {
+      sprintf(str,"%s:%s::%s:%s", mosaic_name, tile_name[contact_tile1[n]], mosaic_name,
+              tile_name[contact_tile2[n]]);
+      start[0] = n; nwrite[1] = strlen(str);
+      mpp_put_var_value_block(fid, id_contacts, start, nwrite, str);
+      sprintf(str,"%d:%d,%d:%d::%d:%d,%d:%d", contact_tile1_istart[n], contact_tile1_iend[n],
+              contact_tile1_jstart[n], contact_tile1_jend[n], contact_tile2_istart[n],
+              contact_tile2_iend[n], contact_tile2_jstart[n], contact_tile2_jend[n] );
+      nwrite[1] = strlen(str);
+      mpp_put_var_value_block(fid, id_contact_index, start, nwrite, str);
+    }
+    mpp_close(fid);
+  }
+/* ...................... atmosXland.nc .................*/
+  if(is_coupled_grid)  {
+  const char version[] = "0.2";
+  char lxo_file[STRING], axo_file[STRING], axl_file[STRING];
+  char amosaic_file[STRING], lmosaic_file[STRING], omosaic_file[STRING];
+  char otopog_file[STRING];
+
+  char atile_name[255], ltile_name[255], otile_name[255];
+  char amosaic_name[255], lmosaic_name[255], omosaic_name[255];
+  int  fid_old, vid;
+  
+  strcpy(atile_name,"tile1"); strcpy(ltile_name,"tile1"); strcpy(otile_name,"tile1");
+  strcpy(amosaic_name,"atmos"); strcpy(lmosaic_name,"land"); strcpy(omosaic_name,"ocean");
+
+//---------------
+    int no, nl, na, n;
+    size_t  naxl, naxo, naxl_step;
+    int     *atmxlnd_ia, *atmxlnd_ja, *atmxlnd_il, *atmxlnd_jl;
+    int     *atmxocn_ia, *atmxocn_ja, *atmxocn_io, *atmxocn_jo;
+    int     *lndxocn_il, *lndxocn_jl, *lndxocn_io, *lndxocn_jo;
+    double  *atmxlnd_area, *atmxlnd_di, *atmxlnd_dj;
+    double  *atmxocn_area, *atmxocn_di, *atmxocn_dj;
+    double  *lndxocn_area, *lndxocn_di, *lndxocn_dj;
+
+    fid_old = mpp_open(old_file, MPP_READ);
+    naxl = mpp_get_dimlen(fid_old, "i_atmXlnd");
+//----------------
+ 
+      /* write out atmXlnd data*/
+        if(naxl>0) {
+          size_t start[4], nwrite[4];
+                                                                                                                                                          
+          int fid, dim_string, dim_ncells, dim_two, dims[4];
+          int id_xgrid_area, id_contact, n;
+          int id_tile1_cell, id_tile2_cell, id_tile1_dist, id_tile2_dist;
+          char contact[STRING];
+                                                                                                                                                          
+          for(i=0; i<4; i++) {
+            start[i] = 0; nwrite[i] = 1;
+          }
+          sprintf(axl_file, "%s_mosaicX%s_mosaic.nc", amosaic_name, lmosaic_name);
+          printf("Writing %s_mosaicX%s_mosaic.nc\n", amosaic_name, lmosaic_name);
+          sprintf(contact, "%s_mosaic:%s::%s_mosaic:%s", amosaic_name, atile_name, lmosaic_name, ltile_name);
+          fid = mpp_open(axl_file, MPP_WRITE);
+          //mpp_def_global(fid, "history", history);
+          dim_string = mpp_def_dim(fid, "string", STRING);
+          dim_ncells = mpp_def_dim(fid, "ncells", naxl);
+          dim_two    = mpp_def_dim(fid, "two", 2);
+          if(interp_order == 2) {
+            id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 8, "standard_name", "grid_contact_spec",
+                                     "contact_spec_version", version, "contact_type", "exchange", "parent1_cell",
+                                     "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area",
+                                     "distant_to_parent1_centroid", "tile1_distance", "distant_to_parent2_centroid", "tile2_distance");
+          }
+          else {
+            id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 6, "standard_name", "grid_contact_spec",
+                                     "contact_spec_version", version, "contact_type", "exchange", "parent1_cell",
+                                     "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area");
+          }
+                                                                                                                                                          
+          dims[0] = dim_ncells; dims[1] = dim_two;
+          id_tile1_cell = mpp_def_var(fid, "tile1_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic1");
+          id_tile2_cell = mpp_def_var(fid, "tile2_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic2");
+          id_xgrid_area = mpp_def_var(fid, "xgrid_area", MPP_DOUBLE, 1, &dim_ncells, 2, "standard_name",
+                                       "exchange_grid_area", "units", "m2");
+          if(interp_order == 2) {
+            id_tile1_dist = mpp_def_var(fid, "tile1_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent1_cell_centroid");
+            id_tile2_dist = mpp_def_var(fid, "tile2_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent2_cell_centroid");
+          }
+          mpp_end_def(fid);
+
+	  for(i=0; i<4; i++) {start[i] = 0; nwrite[i] = 1;}
+	  nwrite[0] = strlen(contact);
+          mpp_put_var_value_block(fid, id_contact, start, nwrite, contact);
+          nwrite[0] = naxl;
+
+          atmxlnd_area = (double *)malloc(naxl*sizeof(double)); 
+          atmxlnd_ia   = (int    *)malloc(naxl*sizeof(int   )); 
+          atmxlnd_ja   = (int    *)malloc(naxl*sizeof(int   )); 
+          atmxlnd_il   = (int    *)malloc(naxl*sizeof(int   )); 
+          atmxlnd_jl   = (int    *)malloc(naxl*sizeof(int   )); 
+	  vid = mpp_get_varid(fid_old, "AREA_ATMxLND"); mpp_get_var_value(fid_old, vid, atmxlnd_area);
+	  vid = mpp_get_varid(fid_old, "I_ATM_ATMxLND"); mpp_get_var_value(fid_old, vid, atmxlnd_ia);
+	  vid = mpp_get_varid(fid_old, "J_ATM_ATMxLND"); mpp_get_var_value(fid_old, vid, atmxlnd_ja);
+	  vid = mpp_get_varid(fid_old, "I_LND_ATMxLND"); mpp_get_var_value(fid_old, vid, atmxlnd_il);
+	  vid = mpp_get_varid(fid_old, "J_LND_ATMxLND"); mpp_get_var_value(fid_old, vid, atmxlnd_jl);
+	  
+	  for(i=0;i<naxl;i++)atmxlnd_area[i] = atmxlnd_area[i] * 4.0 * PI * RADIUS * RADIUS; 
+
+          mpp_put_var_value(fid, id_xgrid_area, atmxlnd_area);
+          mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, atmxlnd_ia);
+          mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, atmxlnd_il);
+          start[1] = 1;
+          mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, atmxlnd_ja);
+          mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, atmxlnd_jl);
+          if(interp_order == 2) {
+            atmxlnd_di = (double *)malloc(naxl*sizeof(double)); 
+            atmxlnd_dj = (double *)malloc(naxl*sizeof(double)); 
+	    vid = mpp_get_varid(fid_old, "DI_ATMxLND"); mpp_get_var_value(fid_old, vid, atmxlnd_di);
+	    vid = mpp_get_varid(fid_old, "DJ_ATMxLND"); mpp_get_var_value(fid_old, vid, atmxlnd_dj);
+            start[1] = 0;
+            mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, atmxlnd_di);
+            start[1] = 1;
+            mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, atmxlnd_dj);
+          }
+	  
+          mpp_close(fid);
+          free(atmxlnd_area);
+        }
+	mpp_close(fid_old);
+  }
+/* ...................... atmosXocean.nc .................*/
+  if(is_coupled_grid)  {
+  const char version[] = "0.2";
+  char lxo_file[STRING];
+  char axo_file[STRING];
+  char axl_file[STRING];
+  char amosaic_file[STRING];
+  char lmosaic_file[STRING];
+  char omosaic_file[STRING];
+  char otopog_file[STRING];
+
+  char atile_name[255], ltile_name[255], otile_name[255];
+  char amosaic_name[255], lmosaic_name[255], omosaic_name[255];
+
+  strcpy(atile_name,"tile1"); strcpy(ltile_name,"tile1"); strcpy(otile_name,"tile1");
+  strcpy(amosaic_name,"atmos"); strcpy(lmosaic_name,"land"); strcpy(omosaic_name,"ocean");
+
+//---------------
+    int no, nl, na, n;
+    size_t  naxl, naxo, naxl_step;
+    int     *atmxlnd_ia, *atmxlnd_ja, *atmxlnd_il, *atmxlnd_jl;
+    int     *atmxocn_ia, *atmxocn_ja, *atmxocn_io, *atmxocn_jo;
+    int     *lndxocn_il, *lndxocn_jl, *lndxocn_io, *lndxocn_jo;
+    double  *atmxlnd_area, *atmxlnd_di, *atmxlnd_dj;
+    double  *atmxocn_area, *atmxocn_di, *atmxocn_dj;
+    double  *lndxocn_area, *lndxocn_di, *lndxocn_dj;
+    int fid_old, vid;
+
+    fid_old = mpp_open(old_file, MPP_READ);
+    naxo = mpp_get_dimlen(fid_old, "i_atmXocn");
+//----------------
+ 
+      /* write out atmXlnd data*/
+        if(naxo>0) {
+          size_t start[4], nwrite[4];
+                                                                                                                                                          
+          int fid, dim_string, dim_ncells, dim_two, dims[4];
+          int id_xgrid_area, id_contact, n;
+          int id_tile1_cell, id_tile2_cell, id_tile1_dist, id_tile2_dist;
+          char contact[STRING];
+                                                                                                                                                          
+          for(i=0; i<4; i++) {
+            start[i] = 0; nwrite[i] = 1;
+          }
+          sprintf(axo_file, "%s_mosaicX%s_mosaic.nc", amosaic_name, omosaic_name);
+          printf("Writing %s_mosaicX%s_mosaic.nc\n", amosaic_name, omosaic_name);
+          sprintf(contact, "%s_mosaic:%s::%s_mosaic:%s", amosaic_name, atile_name, omosaic_name, otile_name);
+          fid = mpp_open(axo_file, MPP_WRITE);
+          //mpp_def_global(fid, "history", history);
+          dim_string = mpp_def_dim(fid, "string", STRING);
+          dim_ncells = mpp_def_dim(fid, "ncells", naxo);
+          dim_two    = mpp_def_dim(fid, "two", 2);
+          if(interp_order == 2) {
+            id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 8, "standard_name", "grid_contact_spec",
+                                     "contact_spec_version", version, "contact_type", "exchange", "parent1_cell",
+                                     "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area",
+                                     "distant_to_parent1_centroid", "tile1_distance", "distant_to_parent2_centroid", "tile2_distance");
+          }
+          else {
+            id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 6, "standard_name", "grid_contact_spec",
+                                     "contact_spec_version", version, "contact_type", "exchange", "parent1_cell",
+                                     "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area");
+          }
+                                                                                                                                                          
+          dims[0] = dim_ncells; dims[1] = dim_two;
+          id_tile1_cell = mpp_def_var(fid, "tile1_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic1");
+          id_tile2_cell = mpp_def_var(fid, "tile2_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic2");
+          id_xgrid_area = mpp_def_var(fid, "xgrid_area", MPP_DOUBLE, 1, &dim_ncells, 2, "standard_name",
+                                       "exchange_grid_area", "units", "m2");
+          if(interp_order == 2) {
+            id_tile1_dist = mpp_def_var(fid, "tile1_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent1_cell_centroid");
+            id_tile2_dist = mpp_def_var(fid, "tile2_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent2_cell_centroid");
+          }
+          mpp_end_def(fid);
+
+	  for(i=0; i<4; i++) { start[i] = 0; nwrite[i] = 1;}
+	  nwrite[0] = strlen(contact);
+          mpp_put_var_value_block(fid, id_contact, start, nwrite, contact);
+          nwrite[0] = naxo;
+
+          atmxocn_area = (double *)malloc(naxo*sizeof(double)); 
+          atmxocn_ia   = (int    *)malloc(naxo*sizeof(int   )); 
+          atmxocn_ja   = (int    *)malloc(naxo*sizeof(int   )); 
+          atmxocn_io   = (int    *)malloc(naxo*sizeof(int   )); 
+          atmxocn_jo   = (int    *)malloc(naxo*sizeof(int   )); 
+	  vid = mpp_get_varid(fid_old, "AREA_ATMxOCN"); mpp_get_var_value(fid_old, vid, atmxocn_area);
+	  vid = mpp_get_varid(fid_old, "I_ATM_ATMxOCN"); mpp_get_var_value(fid_old, vid, atmxocn_ia);
+	  vid = mpp_get_varid(fid_old, "J_ATM_ATMxOCN"); mpp_get_var_value(fid_old, vid, atmxocn_ja);
+	  vid = mpp_get_varid(fid_old, "I_OCN_ATMxOCN"); mpp_get_var_value(fid_old, vid, atmxocn_io);
+	  vid = mpp_get_varid(fid_old, "J_OCN_ATMxOCN"); mpp_get_var_value(fid_old, vid, atmxocn_jo);
+	  
+          for(i=0;i<naxo;i++)atmxocn_area[i] = atmxocn_area[i] * 4.0 * PI * RADIUS * RADIUS; 
+
+          mpp_put_var_value(fid, id_xgrid_area, atmxocn_area);
+          mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, atmxocn_ia);
+          mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, atmxocn_io);
+          start[1] = 1;
+          mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, atmxocn_ja);
+          mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, atmxocn_jo);
+          if(interp_order == 2) {
+            atmxocn_di = (double *)malloc(naxo*sizeof(double)); 
+            atmxocn_dj = (double *)malloc(naxo*sizeof(double)); 
+	    vid = mpp_get_varid(fid_old, "DI_ATMxOCN"); mpp_get_var_value(fid_old, vid, atmxocn_di);
+	    vid = mpp_get_varid(fid_old, "DJ_ATMxOCN"); mpp_get_var_value(fid_old, vid, atmxocn_dj);
+            start[1] = 0;
+            mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, atmxocn_di);
+            start[1] = 1;
+            mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, atmxocn_dj);
+          }
+          mpp_close(fid);
+          free(atmxocn_area);
+        }
+	mpp_close(fid_old);
+  }
+/* ...................... landXocean.nc .................*/
+  if(is_coupled_grid)  {
+  const char version[] = "0.2";
+  char lxo_file[STRING];
+  char axo_file[STRING];
+  char axl_file[STRING];
+  char amosaic_file[STRING];
+  char lmosaic_file[STRING];
+  char omosaic_file[STRING];
+  char otopog_file[STRING];
+
+  char atile_name[255], ltile_name[255], otile_name[255];
+  char amosaic_name[255], lmosaic_name[255], omosaic_name[255];
+
+  strcpy(atile_name,"tile1"); strcpy(ltile_name,"tile1"); strcpy(otile_name,"tile1");
+  strcpy(amosaic_name,"atmos"); strcpy(lmosaic_name,"land"); strcpy(omosaic_name,"ocean");
+
+//---------------
+    int no, nl, na, n;
+    size_t  naxl, naxo, nlxo, naxl_step;
+    int     *atmxlnd_ia, *atmxlnd_ja, *atmxlnd_il, *atmxlnd_jl;
+    int     *atmxocn_ia, *atmxocn_ja, *atmxocn_io, *atmxocn_jo;
+    int     *lndxocn_il, *lndxocn_jl, *lndxocn_io, *lndxocn_jo;
+    double  *atmxlnd_area, *atmxlnd_di, *atmxlnd_dj;
+    double  *atmxocn_area, *atmxocn_di, *atmxocn_dj;
+    double  *lndxocn_area, *lndxocn_di, *lndxocn_dj;
+    int     fid_old, vid;
+
+    fid_old = mpp_open(old_file, MPP_READ);
+    nlxo = mpp_get_dimlen(fid_old , "i_lndXocn");
+//----------------
+ 
+      /* write out lndXocn data*/
+        if(nlxo>0) {
+          size_t start[4], nwrite[4];
+                                                                                                                                                          
+          int fid, dim_string, dim_ncells, dim_two, dims[4];
+          int id_xgrid_area, id_contact, n;
+          int id_tile1_cell, id_tile2_cell, id_tile1_dist, id_tile2_dist;
+          char contact[STRING];
+                                                                                                                                                          
+          for(i=0; i<4; i++) {
+            start[i] = 0; nwrite[i] = 1;
+          }
+          sprintf(lxo_file, "%s_mosaicX%s_mosaic.nc", lmosaic_name, omosaic_name);
+          printf("Writing %s_mosaicX%s_mosaic.nc\n", lmosaic_name, omosaic_name);
+          sprintf(contact, "%s_mosaic:%s::%s_mosaic:%s", lmosaic_name, ltile_name, omosaic_name, otile_name);
+          fid = mpp_open(lxo_file, MPP_WRITE);
+          //mpp_def_global(fid, "history", history);
+          dim_string = mpp_def_dim(fid, "string", STRING);
+          dim_ncells = mpp_def_dim(fid, "ncells", nlxo);
+          dim_two    = mpp_def_dim(fid, "two", 2);
+          if(interp_order == 2) {
+            id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 8, "standard_name", "grid_contact_spec",
+                                     "contact_spec_version", version, "contact_type", "exchange", "parent1_cell",
+                                     "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area",
+                                     "distant_to_parent1_centroid", "tile1_distance", "distant_to_parent2_centroid", "tile2_distance");
+          }
+          else {
+            id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 6, "standard_name", "grid_contact_spec",
+                                     "contact_spec_version", version, "contact_type", "exchange", "parent1_cell",
+                                     "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area");
+          }
+                                                                                                                                                          
+          dims[0] = dim_ncells; dims[1] = dim_two;
+          id_tile1_cell = mpp_def_var(fid, "tile1_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic1");
+          id_tile2_cell = mpp_def_var(fid, "tile2_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic2");
+          id_xgrid_area = mpp_def_var(fid, "xgrid_area", MPP_DOUBLE, 1, &dim_ncells, 2, "standard_name",
+                                       "exchange_grid_area", "units", "m2");
+          if(interp_order == 2) {
+            id_tile1_dist = mpp_def_var(fid, "tile1_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent1_cell_centroid");
+            id_tile2_dist = mpp_def_var(fid, "tile2_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent2_cell_centroid");
+          }
+          mpp_end_def(fid);
+
+	  for(i=0; i<4; i++) { start[i] = 0; nwrite[i] = 1;}
+	  nwrite[0] = strlen(contact);
+          mpp_put_var_value_block(fid, id_contact, start, nwrite, contact);
+          nwrite[0] = nlxo;
+
+          lndxocn_area = (double *)malloc(nlxo*sizeof(double)); 
+          lndxocn_il   = (int    *)malloc(nlxo*sizeof(int   )); 
+          lndxocn_jl   = (int    *)malloc(nlxo*sizeof(int   )); 
+          lndxocn_io   = (int    *)malloc(nlxo*sizeof(int   )); 
+          lndxocn_jo   = (int    *)malloc(nlxo*sizeof(int   )); 
+	  vid = mpp_get_varid(fid_old, "AREA_LNDxOCN"); mpp_get_var_value(fid_old, vid, lndxocn_area);
+	  vid = mpp_get_varid(fid_old, "I_LND_LNDxOCN"); mpp_get_var_value(fid_old, vid, lndxocn_il);
+	  vid = mpp_get_varid(fid_old, "J_LND_LNDxOCN"); mpp_get_var_value(fid_old, vid, lndxocn_jl);
+	  vid = mpp_get_varid(fid_old, "I_OCN_LNDxOCN"); mpp_get_var_value(fid_old, vid, lndxocn_io);
+	  vid = mpp_get_varid(fid_old, "J_OCN_LNDxOCN"); mpp_get_var_value(fid_old, vid, lndxocn_jo);
+	  
+          for(i=0;i<nlxo;i++)lndxocn_area[i] = lndxocn_area[i] * 4.0 * PI * RADIUS * RADIUS; 
+
+          mpp_put_var_value(fid, id_xgrid_area, lndxocn_area);
+          mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, lndxocn_il);
+          mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, lndxocn_io);
+          start[1] = 1;
+          mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, lndxocn_jl);
+          mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, lndxocn_jo);
+          if(interp_order == 2) {
+            lndxocn_di = (double *)malloc(nlxo*sizeof(double)); 
+            lndxocn_dj = (double *)malloc(nlxo*sizeof(double)); 
+	    vid = mpp_get_varid(fid_old, "DI_LNDxOCN"); mpp_get_var_value(fid_old, vid, lndxocn_di);
+	    vid = mpp_get_varid(fid_old, "DJ_LNDxOCN"); mpp_get_var_value(fid_old, vid, lndxocn_dj);
+            start[1] = 0;
+            mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, lndxocn_di);
+            start[1] = 1;
+            mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, lndxocn_dj);
+          }
+          mpp_close(fid);
+          free(lndxocn_area);
+        }
+	mpp_close(fid_old);
+  }
+
+/* ...................... mosaic.nc .................*/
+  {
+  const char version[] = "0.2";
+  char lxo_file[STRING], axo_file[STRING], axl_file[STRING], mosaic_file[STRING];
+  char amosaic_file[STRING], lmosaic_file[STRING], omosaic_file[STRING];
+  char amosaic_name[STRING], lmosaic_name[STRING], omosaic_name[STRING];
+  char otopog_file[STRING];
+
+    int fid, dim_string, dim_axo, dim_lxo, dim_axl, dims[4], n;
+    size_t start[4], nwrite[4];
+    int id_lmosaic_dir, id_lmosaic_file, id_omosaic_dir, id_omosaic_file;
+    int id_amosaic_dir, id_amosaic_file, id_otopog_dir, id_otopog_file;
+    int id_xgrids_dir, id_axo_file, id_lxo_file, id_axl_file;
+    int id_amosaic, id_lmosaic, id_omosaic;
+
+    int nfile_axo = 1, nfile_axl = 1, nfile_lxo = 1; 
+
+    strcpy(mosaic_file,"mosaic.nc");
+    printf("Writing %s\n", mosaic_file);
+
+    fid = mpp_open(mosaic_file, MPP_WRITE);
+  //  mpp_def_global(fid, "history", history);
+    dim_string = mpp_def_dim(fid, "string", STRING);
+    dim_axo = mpp_def_dim(fid, "nfile_aXo", nfile_axo);
+    dim_axl = mpp_def_dim(fid, "nfile_aXl", nfile_axl);
+    dim_lxo = mpp_def_dim(fid, "nfile_lXo", nfile_lxo);
+    id_amosaic_dir  = mpp_def_var(fid, "atm_mosaic_dir", MPP_CHAR, 1, &dim_string,
+                                  1, "standard_name", "directory_storing_atmosphere_mosaic");
+    id_amosaic_file = mpp_def_var(fid, "atm_mosaic_file", MPP_CHAR, 1, &dim_string,
+                                  1, "standard_name", "atmosphere_mosaic_file_name");
+    id_amosaic      = mpp_def_var(fid, "atm_mosaic", MPP_CHAR, 1, &dim_string,
+                                  1, "standard_name", "atmosphere_mosaic_name");
+    id_lmosaic_dir  = mpp_def_var(fid, "lnd_mosaic_dir", MPP_CHAR, 1, &dim_string,
+                                  1, "standard_name", "directory_storing_land_mosaic");
+    id_lmosaic_file = mpp_def_var(fid, "lnd_mosaic_file", MPP_CHAR, 1, &dim_string,
+                                  1, "standard_name", "land_mosaic_file_name");
+    id_lmosaic      = mpp_def_var(fid, "lnd_mosaic", MPP_CHAR, 1, &dim_string,
+                                  1, "standard_name", "land_mosaic_name");
+    id_omosaic_dir  = mpp_def_var(fid, "ocn_mosaic_dir", MPP_CHAR, 1, &dim_string,
+                                  1, "standard_name", "directory_storing_ocean_mosaic");
+    id_omosaic_file = mpp_def_var(fid, "ocn_mosaic_file", MPP_CHAR, 1, &dim_string,
+                                  1, "standard_name", "ocean_mosaic_file_name");
+    id_omosaic      = mpp_def_var(fid, "ocn_mosaic", MPP_CHAR, 1, &dim_string,
+                                  1, "standard_name", "ocean_mosaic_name");
+    id_otopog_dir   = mpp_def_var(fid, "ocn_topog_dir", MPP_CHAR, 1, &dim_string,
+                                  1, "standard_name", "directory_storing_ocean_topog");
+    id_otopog_file  = mpp_def_var(fid, "ocn_topog_file", MPP_CHAR, 1, &dim_string,
+                                  1, "standard_name", "ocean_topog_file_name");
+    /* since exchange grid is created in this tool, we may add command line option to specify where to store the output */
+    /*    id_xgrids_dir = mpp_def_var(fid, "xgrids_dir", MPP_CHAR, 1, &dim_string,
+          1, "standard_name", "directory_storing_xgrids"); */
+    dims[0] = dim_axo; dims[1] = dim_string;
+    id_axo_file = mpp_def_var(fid, "aXo_file", MPP_CHAR, 2, dims, 1, "standard_name", "atmXocn_exchange_grid_file");
+    dims[0] = dim_axl; dims[1] = dim_string;
+    id_axl_file = mpp_def_var(fid, "aXl_file", MPP_CHAR, 2, dims, 1, "standard_name", "atmXlnd_exchange_grid_file");
+    dims[0] = dim_lxo; dims[1] = dim_string;
+    id_lxo_file = mpp_def_var(fid, "lXo_file", MPP_CHAR, 2, dims, 1, "standard_name", "lndXocn_exchange_grid_file");
+    mpp_end_def(fid);
+
+strcpy(otopog_file,"topog.nc");
+
+sprintf(amosaic_name,"%s_mosaic",atmos_name); sprintf(lmosaic_name,"%s_mosaic",land_name); sprintf(omosaic_name,"%s_mosaic",ocean_name);
+sprintf(amosaic_file,"%s.nc",amosaic_name); sprintf(lmosaic_file,"%s.nc",lmosaic_name); sprintf(omosaic_file,"%s.nc",omosaic_name);
+
+sprintf(axl_file,"%sX%s.nc", amosaic_name, lmosaic_name); 
+sprintf(axo_file,"%sX%s.nc", amosaic_name, omosaic_name); 
+sprintf(lxo_file,"%sX%s.nc", lmosaic_name, omosaic_name); 
+
+    for(i=0; i<4; i++) { start[i] = 0; nwrite[i] = 1; }
+    nwrite[0] = strlen(mosaic_dir);
+    mpp_put_var_value_block(fid, id_amosaic_dir, start, nwrite, mosaic_dir);
+    nwrite[0] = strlen(amosaic_file);
+    mpp_put_var_value_block(fid, id_amosaic_file, start, nwrite, amosaic_file);
+    nwrite[0] = strlen(amosaic_name);
+    mpp_put_var_value_block(fid, id_amosaic, start, nwrite, amosaic_name);
+    nwrite[0] = strlen(mosaic_dir);
+    mpp_put_var_value_block(fid, id_lmosaic_dir, start, nwrite, mosaic_dir);
+    nwrite[0] = strlen(lmosaic_file);
+    mpp_put_var_value_block(fid, id_lmosaic_file, start, nwrite, lmosaic_file);
+    nwrite[0] = strlen(lmosaic_name);
+    mpp_put_var_value_block(fid, id_lmosaic, start, nwrite, lmosaic_name);
+    nwrite[0] = strlen(mosaic_dir);
+    mpp_put_var_value_block(fid, id_omosaic_dir, start, nwrite, mosaic_dir);
+    nwrite[0] = strlen(omosaic_file);
+    mpp_put_var_value_block(fid, id_omosaic_file, start, nwrite, omosaic_file);
+    nwrite[0] = strlen(omosaic_name);
+    mpp_put_var_value_block(fid, id_omosaic, start, nwrite, omosaic_name);
+    nwrite[0] = strlen(mosaic_dir);
+    mpp_put_var_value_block(fid, id_otopog_dir, start, nwrite, mosaic_dir);
+    nwrite[0] = strlen(otopog_file);
+    mpp_put_var_value_block(fid, id_otopog_file, start, nwrite, otopog_file);
+    for(i=0; i<4; i++) {
+      start[i] = 0; nwrite[i] = 1;
+    }
+      start[0] = 0; nwrite[1] = strlen(axo_file);
+      mpp_put_var_value_block(fid, id_axo_file, start, nwrite, axo_file);
+
+      start[0] = 0; nwrite[1] = strlen(axl_file);
+      mpp_put_var_value_block(fid, id_axl_file, start, nwrite, axl_file);
+
+      start[0] = 0; nwrite[1] = strlen(lxo_file);
+      mpp_put_var_value_block(fid, id_lxo_file, start, nwrite, lxo_file);
+    mpp_close(fid);
+  }
+
+
+
+  return;
+  mpp_end();
+  
+};  /* end of main */
+
diff --git a/install-sh b/install-sh
new file mode 100755
index 0000000..a5897de
--- /dev/null
+++ b/install-sh
@@ -0,0 +1,519 @@
+#!/bin/sh
+# install - install a program, script, or datafile
+
+scriptversion=2006-12-25.00
+
+# This originates from X11R5 (mit/util/scripts/install.sh), which was
+# later released in X11R6 (xc/config/util/install.sh) with the
+# following copyright and license.
+#
+# Copyright (C) 1994 X Consortium
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to
+# deal in the Software without restriction, including without limitation the
+# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+# sell copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
+# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+# Except as contained in this notice, the name of the X Consortium shall not
+# be used in advertising or otherwise to promote the sale, use or other deal-
+# ings in this Software without prior written authorization from the X Consor-
+# tium.
+#
+#
+# FSF changes to this file are in the public domain.
+#
+# Calling this script install-sh is preferred over install.sh, to prevent
+# `make' implicit rules from creating a file called install from it
+# when there is no Makefile.
+#
+# This script is compatible with the BSD install script, but was written
+# from scratch.
+
+nl='
+'
+IFS=" ""	$nl"
+
+# set DOITPROG to echo to test this script
+
+# Don't use :- since 4.3BSD and earlier shells don't like it.
+doit=${DOITPROG-}
+if test -z "$doit"; then
+  doit_exec=exec
+else
+  doit_exec=$doit
+fi
+
+# Put in absolute file names if you don't have them in your path;
+# or use environment vars.
+
+chgrpprog=${CHGRPPROG-chgrp}
+chmodprog=${CHMODPROG-chmod}
+chownprog=${CHOWNPROG-chown}
+cmpprog=${CMPPROG-cmp}
+cpprog=${CPPROG-cp}
+mkdirprog=${MKDIRPROG-mkdir}
+mvprog=${MVPROG-mv}
+rmprog=${RMPROG-rm}
+stripprog=${STRIPPROG-strip}
+
+posix_glob='?'
+initialize_posix_glob='
+  test "$posix_glob" != "?" || {
+    if (set -f) 2>/dev/null; then
+      posix_glob=
+    else
+      posix_glob=:
+    fi
+  }
+'
+
+posix_mkdir=
+
+# Desired mode of installed file.
+mode=0755
+
+chgrpcmd=
+chmodcmd=$chmodprog
+chowncmd=
+mvcmd=$mvprog
+rmcmd="$rmprog -f"
+stripcmd=
+
+src=
+dst=
+dir_arg=
+dst_arg=
+
+copy_on_change=false
+no_target_directory=
+
+usage="\
+Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
+   or: $0 [OPTION]... SRCFILES... DIRECTORY
+   or: $0 [OPTION]... -t DIRECTORY SRCFILES...
+   or: $0 [OPTION]... -d DIRECTORIES...
+
+In the 1st form, copy SRCFILE to DSTFILE.
+In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
+In the 4th, create DIRECTORIES.
+
+Options:
+     --help     display this help and exit.
+     --version  display version info and exit.
+
+  -c            (ignored)
+  -C            install only if different (preserve the last data modification time)
+  -d            create directories instead of installing files.
+  -g GROUP      $chgrpprog installed files to GROUP.
+  -m MODE       $chmodprog installed files to MODE.
+  -o USER       $chownprog installed files to USER.
+  -s            $stripprog installed files.
+  -t DIRECTORY  install into DIRECTORY.
+  -T            report an error if DSTFILE is a directory.
+
+Environment variables override the default commands:
+  CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
+  RMPROG STRIPPROG
+"
+
+while test $# -ne 0; do
+  case $1 in
+    -c) ;;
+
+    -C) copy_on_change=true;;
+
+    -d) dir_arg=true;;
+
+    -g) chgrpcmd="$chgrpprog $2"
+	shift;;
+
+    --help) echo "$usage"; exit $?;;
+
+    -m) mode=$2
+	case $mode in
+	  *' '* | *'	'* | *'
+'*	  | *'*'* | *'?'* | *'['*)
+	    echo "$0: invalid mode: $mode" >&2
+	    exit 1;;
+	esac
+	shift;;
+
+    -o) chowncmd="$chownprog $2"
+	shift;;
+
+    -s) stripcmd=$stripprog;;
+
+    -t) dst_arg=$2
+	shift;;
+
+    -T) no_target_directory=true;;
+
+    --version) echo "$0 $scriptversion"; exit $?;;
+
+    --)	shift
+	break;;
+
+    -*)	echo "$0: invalid option: $1" >&2
+	exit 1;;
+
+    *)  break;;
+  esac
+  shift
+done
+
+if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
+  # When -d is used, all remaining arguments are directories to create.
+  # When -t is used, the destination is already specified.
+  # Otherwise, the last argument is the destination.  Remove it from $@.
+  for arg
+  do
+    if test -n "$dst_arg"; then
+      # $@ is not empty: it contains at least $arg.
+      set fnord "$@" "$dst_arg"
+      shift # fnord
+    fi
+    shift # arg
+    dst_arg=$arg
+  done
+fi
+
+if test $# -eq 0; then
+  if test -z "$dir_arg"; then
+    echo "$0: no input file specified." >&2
+    exit 1
+  fi
+  # It's OK to call `install-sh -d' without argument.
+  # This can happen when creating conditional directories.
+  exit 0
+fi
+
+if test -z "$dir_arg"; then
+  trap '(exit $?); exit' 1 2 13 15
+
+  # Set umask so as not to create temps with too-generous modes.
+  # However, 'strip' requires both read and write access to temps.
+  case $mode in
+    # Optimize common cases.
+    *644) cp_umask=133;;
+    *755) cp_umask=22;;
+
+    *[0-7])
+      if test -z "$stripcmd"; then
+	u_plus_rw=
+      else
+	u_plus_rw='% 200'
+      fi
+      cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
+    *)
+      if test -z "$stripcmd"; then
+	u_plus_rw=
+      else
+	u_plus_rw=,u+rw
+      fi
+      cp_umask=$mode$u_plus_rw;;
+  esac
+fi
+
+for src
+do
+  # Protect names starting with `-'.
+  case $src in
+    -*) src=./$src;;
+  esac
+
+  if test -n "$dir_arg"; then
+    dst=$src
+    dstdir=$dst
+    test -d "$dstdir"
+    dstdir_status=$?
+  else
+
+    # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
+    # might cause directories to be created, which would be especially bad
+    # if $src (and thus $dsttmp) contains '*'.
+    if test ! -f "$src" && test ! -d "$src"; then
+      echo "$0: $src does not exist." >&2
+      exit 1
+    fi
+
+    if test -z "$dst_arg"; then
+      echo "$0: no destination specified." >&2
+      exit 1
+    fi
+
+    dst=$dst_arg
+    # Protect names starting with `-'.
+    case $dst in
+      -*) dst=./$dst;;
+    esac
+
+    # If destination is a directory, append the input filename; won't work
+    # if double slashes aren't ignored.
+    if test -d "$dst"; then
+      if test -n "$no_target_directory"; then
+	echo "$0: $dst_arg: Is a directory" >&2
+	exit 1
+      fi
+      dstdir=$dst
+      dst=$dstdir/`basename "$src"`
+      dstdir_status=0
+    else
+      # Prefer dirname, but fall back on a substitute if dirname fails.
+      dstdir=`
+	(dirname "$dst") 2>/dev/null ||
+	expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	     X"$dst" : 'X\(//\)[^/]' \| \
+	     X"$dst" : 'X\(//\)$' \| \
+	     X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
+	echo X"$dst" |
+	    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+		   s//\1/
+		   q
+		 }
+		 /^X\(\/\/\)[^/].*/{
+		   s//\1/
+		   q
+		 }
+		 /^X\(\/\/\)$/{
+		   s//\1/
+		   q
+		 }
+		 /^X\(\/\).*/{
+		   s//\1/
+		   q
+		 }
+		 s/.*/./; q'
+      `
+
+      test -d "$dstdir"
+      dstdir_status=$?
+    fi
+  fi
+
+  obsolete_mkdir_used=false
+
+  if test $dstdir_status != 0; then
+    case $posix_mkdir in
+      '')
+	# Create intermediate dirs using mode 755 as modified by the umask.
+	# This is like FreeBSD 'install' as of 1997-10-28.
+	umask=`umask`
+	case $stripcmd.$umask in
+	  # Optimize common cases.
+	  *[2367][2367]) mkdir_umask=$umask;;
+	  .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
+
+	  *[0-7])
+	    mkdir_umask=`expr $umask + 22 \
+	      - $umask % 100 % 40 + $umask % 20 \
+	      - $umask % 10 % 4 + $umask % 2
+	    `;;
+	  *) mkdir_umask=$umask,go-w;;
+	esac
+
+	# With -d, create the new directory with the user-specified mode.
+	# Otherwise, rely on $mkdir_umask.
+	if test -n "$dir_arg"; then
+	  mkdir_mode=-m$mode
+	else
+	  mkdir_mode=
+	fi
+
+	posix_mkdir=false
+	case $umask in
+	  *[123567][0-7][0-7])
+	    # POSIX mkdir -p sets u+wx bits regardless of umask, which
+	    # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
+	    ;;
+	  *)
+	    tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
+	    trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
+
+	    if (umask $mkdir_umask &&
+		exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
+	    then
+	      if test -z "$dir_arg" || {
+		   # Check for POSIX incompatibilities with -m.
+		   # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
+		   # other-writeable bit of parent directory when it shouldn't.
+		   # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
+		   ls_ld_tmpdir=`ls -ld "$tmpdir"`
+		   case $ls_ld_tmpdir in
+		     d????-?r-*) different_mode=700;;
+		     d????-?--*) different_mode=755;;
+		     *) false;;
+		   esac &&
+		   $mkdirprog -m$different_mode -p -- "$tmpdir" && {
+		     ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
+		     test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
+		   }
+		 }
+	      then posix_mkdir=:
+	      fi
+	      rmdir "$tmpdir/d" "$tmpdir"
+	    else
+	      # Remove any dirs left behind by ancient mkdir implementations.
+	      rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
+	    fi
+	    trap '' 0;;
+	esac;;
+    esac
+
+    if
+      $posix_mkdir && (
+	umask $mkdir_umask &&
+	$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
+      )
+    then :
+    else
+
+      # The umask is ridiculous, or mkdir does not conform to POSIX,
+      # or it failed possibly due to a race condition.  Create the
+      # directory the slow way, step by step, checking for races as we go.
+
+      case $dstdir in
+	/*) prefix='/';;
+	-*) prefix='./';;
+	*)  prefix='';;
+      esac
+
+      eval "$initialize_posix_glob"
+
+      oIFS=$IFS
+      IFS=/
+      $posix_glob set -f
+      set fnord $dstdir
+      shift
+      $posix_glob set +f
+      IFS=$oIFS
+
+      prefixes=
+
+      for d
+      do
+	test -z "$d" && continue
+
+	prefix=$prefix$d
+	if test -d "$prefix"; then
+	  prefixes=
+	else
+	  if $posix_mkdir; then
+	    (umask=$mkdir_umask &&
+	     $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
+	    # Don't fail if two instances are running concurrently.
+	    test -d "$prefix" || exit 1
+	  else
+	    case $prefix in
+	      *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
+	      *) qprefix=$prefix;;
+	    esac
+	    prefixes="$prefixes '$qprefix'"
+	  fi
+	fi
+	prefix=$prefix/
+      done
+
+      if test -n "$prefixes"; then
+	# Don't fail if two instances are running concurrently.
+	(umask $mkdir_umask &&
+	 eval "\$doit_exec \$mkdirprog $prefixes") ||
+	  test -d "$dstdir" || exit 1
+	obsolete_mkdir_used=true
+      fi
+    fi
+  fi
+
+  if test -n "$dir_arg"; then
+    { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
+    { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
+    { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
+      test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
+  else
+
+    # Make a couple of temp file names in the proper directory.
+    dsttmp=$dstdir/_inst.$$_
+    rmtmp=$dstdir/_rm.$$_
+
+    # Trap to clean up those temp files at exit.
+    trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
+
+    # Copy the file name to the temp name.
+    (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
+
+    # and set any options; do chmod last to preserve setuid bits.
+    #
+    # If any of these fail, we abort the whole thing.  If we want to
+    # ignore errors from any of these, just make sure not to ignore
+    # errors from the above "$doit $cpprog $src $dsttmp" command.
+    #
+    { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
+    { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
+    { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
+    { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
+
+    # If -C, don't bother to copy if it wouldn't change the file.
+    if $copy_on_change &&
+       old=`LC_ALL=C ls -dlL "$dst"	2>/dev/null` &&
+       new=`LC_ALL=C ls -dlL "$dsttmp"	2>/dev/null` &&
+
+       eval "$initialize_posix_glob" &&
+       $posix_glob set -f &&
+       set X $old && old=:$2:$4:$5:$6 &&
+       set X $new && new=:$2:$4:$5:$6 &&
+       $posix_glob set +f &&
+
+       test "$old" = "$new" &&
+       $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
+    then
+      rm -f "$dsttmp"
+    else
+      # Rename the file to the real destination.
+      $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
+
+      # The rename failed, perhaps because mv can't rename something else
+      # to itself, or perhaps because mv is so ancient that it does not
+      # support -f.
+      {
+	# Now remove or move aside any old file at destination location.
+	# We try this two ways since rm can't unlink itself on some
+	# systems and the destination file might be busy for other
+	# reasons.  In this case, the final cleanup might fail but the new
+	# file should still install successfully.
+	{
+	  test ! -f "$dst" ||
+	  $doit $rmcmd -f "$dst" 2>/dev/null ||
+	  { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
+	    { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
+	  } ||
+	  { echo "$0: cannot unlink or rename $dst" >&2
+	    (exit 1); exit 1
+	  }
+	} &&
+
+	# Now rename the file to the real destination.
+	$doit $mvcmd "$dsttmp" "$dst"
+      }
+    fi || exit 1
+
+    trap '' 0
+  fi
+done
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-end: "$"
+# End:
diff --git a/ltmain.sh b/ltmain.sh
new file mode 100755
index 0000000..174e492
--- /dev/null
+++ b/ltmain.sh
@@ -0,0 +1,7874 @@
+# Generated from ltmain.m4sh.
+
+# ltmain.sh (GNU libtool) 2.2.4
+# Written by Gordon Matzigkeit <gord at gnu.ai.mit.edu>, 1996
+
+# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007 2008 Free Software Foundation, Inc.
+# This is free software; see the source for copying conditions.  There is NO
+# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+# GNU Libtool is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# As a special exception to the GNU General Public License,
+# if you distribute this file as part of a program or library that
+# is built using GNU Libtool, you may include this file under the
+# same distribution terms that you use for the rest of that program.
+#
+# GNU Libtool is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Libtool; see the file COPYING.  If not, a copy
+# can be downloaded from http://www.gnu.org/licenses/gpl.html,
+# or obtained by writing to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+# Usage: $progname [OPTION]... [MODE-ARG]...
+#
+# Provide generalized library-building support services.
+#
+#     --config             show all configuration variables
+#     --debug              enable verbose shell tracing
+# -n, --dry-run            display commands without modifying any files
+#     --features           display basic configuration information and exit
+#     --mode=MODE          use operation mode MODE
+#     --preserve-dup-deps  don't remove duplicate dependency libraries
+#     --quiet, --silent    don't print informational messages
+#     --tag=TAG            use configuration variables from tag TAG
+# -v, --verbose            print informational messages (default)
+#     --version            print version information
+# -h, --help               print short or long help message
+#
+# MODE must be one of the following:
+#
+#       clean              remove files from the build directory
+#       compile            compile a source file into a libtool object
+#       execute            automatically set library path, then run a program
+#       finish             complete the installation of libtool libraries
+#       install            install libraries or executables
+#       link               create a library or an executable
+#       uninstall          remove libraries from an installed directory
+#
+# MODE-ARGS vary depending on the MODE.
+# Try `$progname --help --mode=MODE' for a more detailed description of MODE.
+#
+# When reporting a bug, please describe a test case to reproduce it and
+# include the following information:
+#
+#       host-triplet:	$host
+#       shell:		$SHELL
+#       compiler:		$LTCC
+#       compiler flags:		$LTCFLAGS
+#       linker:		$LD (gnu? $with_gnu_ld)
+#       $progname:		(GNU libtool) 2.2.4
+#       automake:		$automake_version
+#       autoconf:		$autoconf_version
+#
+# Report bugs to <bug-libtool at gnu.org>.
+
+PROGRAM=ltmain.sh
+PACKAGE=libtool
+VERSION=2.2.4
+TIMESTAMP=""
+package_revision=1.2976
+
+# Be Bourne compatible
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+  emulate sh
+  NULLCMD=:
+  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac
+fi
+BIN_SH=xpg4; export BIN_SH # for Tru64
+DUALCASE=1; export DUALCASE # for MKS sh
+
+# NLS nuisances: We save the old values to restore during execute mode.
+# Only set LANG and LC_ALL to C if already set.
+# These must not be set unconditionally because not all systems understand
+# e.g. LANG=C (notably SCO).
+lt_user_locale=
+lt_safe_locale=
+for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES
+do
+  eval "if test \"\${$lt_var+set}\" = set; then
+          save_$lt_var=\$$lt_var
+          $lt_var=C
+	  export $lt_var
+	  lt_user_locale=\"$lt_var=\\\$save_\$lt_var; \$lt_user_locale\"
+	  lt_safe_locale=\"$lt_var=C; \$lt_safe_locale\"
+	fi"
+done
+
+$lt_unset CDPATH
+
+
+
+
+
+: ${CP="cp -f"}
+: ${ECHO="echo"}
+: ${EGREP="/usr/bin/grep -E"}
+: ${FGREP="/usr/bin/grep -F"}
+: ${GREP="/usr/bin/grep"}
+: ${LN_S="ln -s"}
+: ${MAKE="make"}
+: ${MKDIR="mkdir"}
+: ${MV="mv -f"}
+: ${RM="rm -f"}
+: ${SED="/opt/local/bin/gsed"}
+: ${SHELL="${CONFIG_SHELL-/bin/sh}"}
+: ${Xsed="$SED -e 1s/^X//"}
+
+# Global variables:
+EXIT_SUCCESS=0
+EXIT_FAILURE=1
+EXIT_MISMATCH=63  # $? = 63 is used to indicate version mismatch to missing.
+EXIT_SKIP=77	  # $? = 77 is used to indicate a skipped test to automake.
+
+exit_status=$EXIT_SUCCESS
+
+# Make sure IFS has a sensible default
+lt_nl='
+'
+IFS=" 	$lt_nl"
+
+dirname="s,/[^/]*$,,"
+basename="s,^.*/,,"
+
+# func_dirname_and_basename file append nondir_replacement
+# perform func_basename and func_dirname in a single function
+# call:
+#   dirname:  Compute the dirname of FILE.  If nonempty,
+#             add APPEND to the result, otherwise set result
+#             to NONDIR_REPLACEMENT.
+#             value returned in "$func_dirname_result"
+#   basename: Compute filename of FILE.
+#             value retuned in "$func_basename_result"
+# Implementation must be kept synchronized with func_dirname
+# and func_basename. For efficiency, we do not delegate to
+# those functions but instead duplicate the functionality here.
+func_dirname_and_basename ()
+{
+  # Extract subdirectory from the argument.
+  func_dirname_result=`$ECHO "X${1}" | $Xsed -e "$dirname"`
+  if test "X$func_dirname_result" = "X${1}"; then
+    func_dirname_result="${3}"
+  else
+    func_dirname_result="$func_dirname_result${2}"
+  fi
+  func_basename_result=`$ECHO "X${1}" | $Xsed -e "$basename"`
+}
+
+# Generated shell functions inserted here.
+
+# Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh
+# is ksh but when the shell is invoked as "sh" and the current value of
+# the _XPG environment variable is not equal to 1 (one), the special
+# positional parameter $0, within a function call, is the name of the
+# function.
+progpath="$0"
+
+# The name of this program:
+# In the unlikely event $progname began with a '-', it would play havoc with
+# func_echo (imagine progname=-n), so we prepend ./ in that case:
+func_dirname_and_basename "$progpath"
+progname=$func_basename_result
+case $progname in
+  -*) progname=./$progname ;;
+esac
+
+# Make sure we have an absolute path for reexecution:
+case $progpath in
+  [\\/]*|[A-Za-z]:\\*) ;;
+  *[\\/]*)
+     progdir=$func_dirname_result
+     progdir=`cd "$progdir" && pwd`
+     progpath="$progdir/$progname"
+     ;;
+  *)
+     save_IFS="$IFS"
+     IFS=:
+     for progdir in $PATH; do
+       IFS="$save_IFS"
+       test -x "$progdir/$progname" && break
+     done
+     IFS="$save_IFS"
+     test -n "$progdir" || progdir=`pwd`
+     progpath="$progdir/$progname"
+     ;;
+esac
+
+# Sed substitution that helps us do robust quoting.  It backslashifies
+# metacharacters that are still active within double-quoted strings.
+Xsed="${SED}"' -e 1s/^X//'
+sed_quote_subst='s/\([`"$\\]\)/\\\1/g'
+
+# Same as above, but do not quote variable references.
+double_quote_subst='s/\(["`\\]\)/\\\1/g'
+
+# Re-`\' parameter expansions in output of double_quote_subst that were
+# `\'-ed in input to the same.  If an odd number of `\' preceded a '$'
+# in input to double_quote_subst, that '$' was protected from expansion.
+# Since each input `\' is now two `\'s, look for any number of runs of
+# four `\'s followed by two `\'s and then a '$'.  `\' that '$'.
+bs='\\'
+bs2='\\\\'
+bs4='\\\\\\\\'
+dollar='\$'
+sed_double_backslash="\
+  s/$bs4/&\\
+/g
+  s/^$bs2$dollar/$bs&/
+  s/\\([^$bs]\\)$bs2$dollar/\\1$bs2$bs$dollar/g
+  s/\n//g"
+
+# Standard options:
+opt_dry_run=false
+opt_help=false
+opt_quiet=false
+opt_verbose=false
+opt_warning=:
+
+# func_echo arg...
+# Echo program name prefixed message, along with the current mode
+# name if it has been set yet.
+func_echo ()
+{
+    $ECHO "$progname${mode+: }$mode: $*"
+}
+
+# func_verbose arg...
+# Echo program name prefixed message in verbose mode only.
+func_verbose ()
+{
+    $opt_verbose && func_echo ${1+"$@"}
+
+    # A bug in bash halts the script if the last line of a function
+    # fails when set -e is in force, so we need another command to
+    # work around that:
+    :
+}
+
+# func_error arg...
+# Echo program name prefixed message to standard error.
+func_error ()
+{
+    $ECHO "$progname${mode+: }$mode: "${1+"$@"} 1>&2
+}
+
+# func_warning arg...
+# Echo program name prefixed warning message to standard error.
+func_warning ()
+{
+    $opt_warning && $ECHO "$progname${mode+: }$mode: warning: "${1+"$@"} 1>&2
+
+    # bash bug again:
+    :
+}
+
+# func_fatal_error arg...
+# Echo program name prefixed message to standard error, and exit.
+func_fatal_error ()
+{
+    func_error ${1+"$@"}
+    exit $EXIT_FAILURE
+}
+
+# func_fatal_help arg...
+# Echo program name prefixed message to standard error, followed by
+# a help hint, and exit.
+func_fatal_help ()
+{
+    func_error ${1+"$@"}
+    func_fatal_error "$help"
+}
+help="Try \`$progname --help' for more information."  ## default
+
+
+# func_grep expression filename
+# Check whether EXPRESSION matches any line of FILENAME, without output.
+func_grep ()
+{
+    $GREP "$1" "$2" >/dev/null 2>&1
+}
+
+
+# func_mkdir_p directory-path
+# Make sure the entire path to DIRECTORY-PATH is available.
+func_mkdir_p ()
+{
+    my_directory_path="$1"
+    my_dir_list=
+
+    if test -n "$my_directory_path" && test "$opt_dry_run" != ":"; then
+
+      # Protect directory names starting with `-'
+      case $my_directory_path in
+        -*) my_directory_path="./$my_directory_path" ;;
+      esac
+
+      # While some portion of DIR does not yet exist...
+      while test ! -d "$my_directory_path"; do
+        # ...make a list in topmost first order.  Use a colon delimited
+	# list incase some portion of path contains whitespace.
+        my_dir_list="$my_directory_path:$my_dir_list"
+
+        # If the last portion added has no slash in it, the list is done
+        case $my_directory_path in */*) ;; *) break ;; esac
+
+        # ...otherwise throw away the child directory and loop
+        my_directory_path=`$ECHO "X$my_directory_path" | $Xsed -e "$dirname"`
+      done
+      my_dir_list=`$ECHO "X$my_dir_list" | $Xsed -e 's,:*$,,'`
+
+      save_mkdir_p_IFS="$IFS"; IFS=':'
+      for my_dir in $my_dir_list; do
+	IFS="$save_mkdir_p_IFS"
+        # mkdir can fail with a `File exist' error if two processes
+        # try to create one of the directories concurrently.  Don't
+        # stop in that case!
+        $MKDIR "$my_dir" 2>/dev/null || :
+      done
+      IFS="$save_mkdir_p_IFS"
+
+      # Bail out if we (or some other process) failed to create a directory.
+      test -d "$my_directory_path" || \
+        func_fatal_error "Failed to create \`$1'"
+    fi
+}
+
+
+# func_mktempdir [string]
+# Make a temporary directory that won't clash with other running
+# libtool processes, and avoids race conditions if possible.  If
+# given, STRING is the basename for that directory.
+func_mktempdir ()
+{
+    my_template="${TMPDIR-/tmp}/${1-$progname}"
+
+    if test "$opt_dry_run" = ":"; then
+      # Return a directory name, but don't create it in dry-run mode
+      my_tmpdir="${my_template}-$$"
+    else
+
+      # If mktemp works, use that first and foremost
+      my_tmpdir=`mktemp -d "${my_template}-XXXXXXXX" 2>/dev/null`
+
+      if test ! -d "$my_tmpdir"; then
+        # Failing that, at least try and use $RANDOM to avoid a race
+        my_tmpdir="${my_template}-${RANDOM-0}$$"
+
+        save_mktempdir_umask=`umask`
+        umask 0077
+        $MKDIR "$my_tmpdir"
+        umask $save_mktempdir_umask
+      fi
+
+      # If we're not in dry-run mode, bomb out on failure
+      test -d "$my_tmpdir" || \
+        func_fatal_error "cannot create temporary directory \`$my_tmpdir'"
+    fi
+
+    $ECHO "X$my_tmpdir" | $Xsed
+}
+
+
+# func_quote_for_eval arg
+# Aesthetically quote ARG to be evaled later.
+# This function returns two values: FUNC_QUOTE_FOR_EVAL_RESULT
+# is double-quoted, suitable for a subsequent eval, whereas
+# FUNC_QUOTE_FOR_EVAL_UNQUOTED_RESULT has merely all characters
+# which are still active within double quotes backslashified.
+func_quote_for_eval ()
+{
+    case $1 in
+      *[\\\`\"\$]*)
+	func_quote_for_eval_unquoted_result=`$ECHO "X$1" | $Xsed -e "$sed_quote_subst"` ;;
+      *)
+        func_quote_for_eval_unquoted_result="$1" ;;
+    esac
+
+    case $func_quote_for_eval_unquoted_result in
+      # Double-quote args containing shell metacharacters to delay
+      # word splitting, command substitution and and variable
+      # expansion for a subsequent eval.
+      # Many Bourne shells cannot handle close brackets correctly
+      # in scan sets, so we specify it separately.
+      *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")
+        func_quote_for_eval_result="\"$func_quote_for_eval_unquoted_result\""
+        ;;
+      *)
+        func_quote_for_eval_result="$func_quote_for_eval_unquoted_result"
+    esac
+}
+
+
+# func_quote_for_expand arg
+# Aesthetically quote ARG to be evaled later; same as above,
+# but do not quote variable references.
+func_quote_for_expand ()
+{
+    case $1 in
+      *[\\\`\"]*)
+	my_arg=`$ECHO "X$1" | $Xsed \
+	    -e "$double_quote_subst" -e "$sed_double_backslash"` ;;
+      *)
+        my_arg="$1" ;;
+    esac
+
+    case $my_arg in
+      # Double-quote args containing shell metacharacters to delay
+      # word splitting and command substitution for a subsequent eval.
+      # Many Bourne shells cannot handle close brackets correctly
+      # in scan sets, so we specify it separately.
+      *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")
+        my_arg="\"$my_arg\""
+        ;;
+    esac
+
+    func_quote_for_expand_result="$my_arg"
+}
+
+
+# func_show_eval cmd [fail_exp]
+# Unless opt_silent is true, then output CMD.  Then, if opt_dryrun is
+# not true, evaluate CMD.  If the evaluation of CMD fails, and FAIL_EXP
+# is given, then evaluate it.
+func_show_eval ()
+{
+    my_cmd="$1"
+    my_fail_exp="${2-:}"
+
+    ${opt_silent-false} || {
+      func_quote_for_expand "$my_cmd"
+      eval "func_echo $func_quote_for_expand_result"
+    }
+
+    if ${opt_dry_run-false}; then :; else
+      eval "$my_cmd"
+      my_status=$?
+      if test "$my_status" -eq 0; then :; else
+	eval "(exit $my_status); $my_fail_exp"
+      fi
+    fi
+}
+
+
+# func_show_eval_locale cmd [fail_exp]
+# Unless opt_silent is true, then output CMD.  Then, if opt_dryrun is
+# not true, evaluate CMD.  If the evaluation of CMD fails, and FAIL_EXP
+# is given, then evaluate it.  Use the saved locale for evaluation.
+func_show_eval_locale ()
+{
+    my_cmd="$1"
+    my_fail_exp="${2-:}"
+
+    ${opt_silent-false} || {
+      func_quote_for_expand "$my_cmd"
+      eval "func_echo $func_quote_for_expand_result"
+    }
+
+    if ${opt_dry_run-false}; then :; else
+      eval "$lt_user_locale
+	    $my_cmd"
+      my_status=$?
+      eval "$lt_safe_locale"
+      if test "$my_status" -eq 0; then :; else
+	eval "(exit $my_status); $my_fail_exp"
+      fi
+    fi
+}
+
+
+
+
+
+# func_version
+# Echo version message to standard output and exit.
+func_version ()
+{
+    $SED -n '/^# '$PROGRAM' (GNU /,/# warranty; / {
+        s/^# //
+	s/^# *$//
+        s/\((C)\)[ 0-9,-]*\( [1-9][0-9]*\)/\1\2/
+        p
+     }' < "$progpath"
+     exit $?
+}
+
+# func_usage
+# Echo short help message to standard output and exit.
+func_usage ()
+{
+    $SED -n '/^# Usage:/,/# -h/ {
+        s/^# //
+	s/^# *$//
+	s/\$progname/'$progname'/
+	p
+    }' < "$progpath"
+    $ECHO
+    $ECHO "run \`$progname --help | more' for full usage"
+    exit $?
+}
+
+# func_help
+# Echo long help message to standard output and exit.
+func_help ()
+{
+    $SED -n '/^# Usage:/,/# Report bugs to/ {
+        s/^# //
+	s/^# *$//
+	s*\$progname*'$progname'*
+	s*\$host*'"$host"'*
+	s*\$SHELL*'"$SHELL"'*
+	s*\$LTCC*'"$LTCC"'*
+	s*\$LTCFLAGS*'"$LTCFLAGS"'*
+	s*\$LD*'"$LD"'*
+	s/\$with_gnu_ld/'"$with_gnu_ld"'/
+	s/\$automake_version/'"`(automake --version) 2>/dev/null |$SED 1q`"'/
+	s/\$autoconf_version/'"`(autoconf --version) 2>/dev/null |$SED 1q`"'/
+	p
+     }' < "$progpath"
+    exit $?
+}
+
+# func_missing_arg argname
+# Echo program name prefixed message to standard error and set global
+# exit_cmd.
+func_missing_arg ()
+{
+    func_error "missing argument for $1"
+    exit_cmd=exit
+}
+
+exit_cmd=:
+
+
+
+
+
+# Check that we have a working $ECHO.
+if test "X$1" = X--no-reexec; then
+  # Discard the --no-reexec flag, and continue.
+  shift
+elif test "X$1" = X--fallback-echo; then
+  # Avoid inline document here, it may be left over
+  :
+elif test "X`{ $ECHO '\t'; } 2>/dev/null`" = 'X\t'; then
+  # Yippee, $ECHO works!
+  :
+else
+  # Restart under the correct shell, and then maybe $ECHO will work.
+  exec $SHELL "$progpath" --no-reexec ${1+"$@"}
+fi
+
+if test "X$1" = X--fallback-echo; then
+  # used as fallback echo
+  shift
+  cat <<EOF
+$*
+EOF
+  exit $EXIT_SUCCESS
+fi
+
+magic="%%%MAGIC variable%%%"
+magic_exe="%%%MAGIC EXE variable%%%"
+
+# Global variables.
+# $mode is unset
+nonopt=
+execute_dlfiles=
+preserve_args=
+lo2o="s/\\.lo\$/.${objext}/"
+o2lo="s/\\.${objext}\$/.lo/"
+extracted_archives=
+extracted_serial=0
+
+opt_dry_run=false
+opt_duplicate_deps=false
+opt_silent=false
+opt_debug=:
+
+# If this variable is set in any of the actions, the command in it
+# will be execed at the end.  This prevents here-documents from being
+# left over by shells.
+exec_cmd=
+
+# func_fatal_configuration arg...
+# Echo program name prefixed message to standard error, followed by
+# a configuration failure hint, and exit.
+func_fatal_configuration ()
+{
+    func_error ${1+"$@"}
+    func_error "See the $PACKAGE documentation for more information."
+    func_fatal_error "Fatal configuration error."
+}
+
+
+# func_config
+# Display the configuration for all the tags in this script.
+func_config ()
+{
+    re_begincf='^# ### BEGIN LIBTOOL'
+    re_endcf='^# ### END LIBTOOL'
+
+    # Default configuration.
+    $SED "1,/$re_begincf CONFIG/d;/$re_endcf CONFIG/,\$d" < "$progpath"
+
+    # Now print the configurations for the tags.
+    for tagname in $taglist; do
+      $SED -n "/$re_begincf TAG CONFIG: $tagname\$/,/$re_endcf TAG CONFIG: $tagname\$/p" < "$progpath"
+    done
+
+    exit $?
+}
+
+# func_features
+# Display the features supported by this script.
+func_features ()
+{
+    $ECHO "host: $host"
+    if test "$build_libtool_libs" = yes; then
+      $ECHO "enable shared libraries"
+    else
+      $ECHO "disable shared libraries"
+    fi
+    if test "$build_old_libs" = yes; then
+      $ECHO "enable static libraries"
+    else
+      $ECHO "disable static libraries"
+    fi
+
+    exit $?
+}
+
+# func_enable_tag tagname
+# Verify that TAGNAME is valid, and either flag an error and exit, or
+# enable the TAGNAME tag.  We also add TAGNAME to the global $taglist
+# variable here.
+func_enable_tag ()
+{
+  # Global variable:
+  tagname="$1"
+
+  re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$"
+  re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$"
+  sed_extractcf="/$re_begincf/,/$re_endcf/p"
+
+  # Validate tagname.
+  case $tagname in
+    *[!-_A-Za-z0-9,/]*)
+      func_fatal_error "invalid tag name: $tagname"
+      ;;
+  esac
+
+  # Don't test for the "default" C tag, as we know it's
+  # there but not specially marked.
+  case $tagname in
+    CC) ;;
+    *)
+      if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then
+	taglist="$taglist $tagname"
+
+	# Evaluate the configuration.  Be careful to quote the path
+	# and the sed script, to avoid splitting on whitespace, but
+	# also don't use non-portable quotes within backquotes within
+	# quotes we have to do it in 2 steps:
+	extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"`
+	eval "$extractedcf"
+      else
+	func_error "ignoring unknown tag $tagname"
+      fi
+      ;;
+  esac
+}
+
+# Parse options once, thoroughly.  This comes as soon as possible in
+# the script to make things like `libtool --version' happen quickly.
+{
+
+  # Shorthand for --mode=foo, only valid as the first argument
+  case $1 in
+  clean|clea|cle|cl)
+    shift; set dummy --mode clean ${1+"$@"}; shift
+    ;;
+  compile|compil|compi|comp|com|co|c)
+    shift; set dummy --mode compile ${1+"$@"}; shift
+    ;;
+  execute|execut|execu|exec|exe|ex|e)
+    shift; set dummy --mode execute ${1+"$@"}; shift
+    ;;
+  finish|finis|fini|fin|fi|f)
+    shift; set dummy --mode finish ${1+"$@"}; shift
+    ;;
+  install|instal|insta|inst|ins|in|i)
+    shift; set dummy --mode install ${1+"$@"}; shift
+    ;;
+  link|lin|li|l)
+    shift; set dummy --mode link ${1+"$@"}; shift
+    ;;
+  uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u)
+    shift; set dummy --mode uninstall ${1+"$@"}; shift
+    ;;
+  esac
+
+  # Parse non-mode specific arguments:
+  while test "$#" -gt 0; do
+    opt="$1"
+    shift
+
+    case $opt in
+      --config)		func_config					;;
+
+      --debug)		preserve_args="$preserve_args $opt"
+			func_echo "enabling shell trace mode"
+			opt_debug='set -x'
+			$opt_debug
+			;;
+
+      -dlopen)		test "$#" -eq 0 && func_missing_arg "$opt" && break
+			execute_dlfiles="$execute_dlfiles $1"
+			shift
+			;;
+
+      --dry-run | -n)	opt_dry_run=:					;;
+      --features)       func_features					;;
+      --finish)		mode="finish"					;;
+
+      --mode)		test "$#" -eq 0 && func_missing_arg "$opt" && break
+			case $1 in
+			  # Valid mode arguments:
+			  clean)	;;
+			  compile)	;;
+			  execute)	;;
+			  finish)	;;
+			  install)	;;
+			  link)		;;
+			  relink)	;;
+			  uninstall)	;;
+
+			  # Catch anything else as an error
+			  *) func_error "invalid argument for $opt"
+			     exit_cmd=exit
+			     break
+			     ;;
+		        esac
+
+			mode="$1"
+			shift
+			;;
+
+      --preserve-dup-deps)
+			opt_duplicate_deps=:				;;
+
+      --quiet|--silent)	preserve_args="$preserve_args $opt"
+			opt_silent=:
+			;;
+
+      --verbose| -v)	preserve_args="$preserve_args $opt"
+			opt_silent=false
+			;;
+
+      --tag)		test "$#" -eq 0 && func_missing_arg "$opt" && break
+			preserve_args="$preserve_args $opt $1"
+			func_enable_tag "$1"	# tagname is set here
+			shift
+			;;
+
+      # Separate optargs to long options:
+      -dlopen=*|--mode=*|--tag=*)
+			func_opt_split "$opt"
+			set dummy "$func_opt_split_opt" "$func_opt_split_arg" ${1+"$@"}
+			shift
+			;;
+
+      -\?|-h)		func_usage					;;
+      --help)		opt_help=:					;;
+      --version)	func_version					;;
+
+      -*)		func_fatal_help "unrecognized option \`$opt'"	;;
+
+      *)		nonopt="$opt"
+			break
+			;;
+    esac
+  done
+
+
+  case $host in
+    *cygwin* | *mingw* | *pw32*)
+      # don't eliminate duplications in $postdeps and $predeps
+      opt_duplicate_compiler_generated_deps=:
+      ;;
+    *)
+      opt_duplicate_compiler_generated_deps=$opt_duplicate_deps
+      ;;
+  esac
+
+  # Having warned about all mis-specified options, bail out if
+  # anything was wrong.
+  $exit_cmd $EXIT_FAILURE
+}
+
+# func_check_version_match
+# Ensure that we are using m4 macros, and libtool script from the same
+# release of libtool.
+func_check_version_match ()
+{
+  if test "$package_revision" != "$macro_revision"; then
+    if test "$VERSION" != "$macro_version"; then
+      if test -z "$macro_version"; then
+        cat >&2 <<_LT_EOF
+$progname: Version mismatch error.  This is $PACKAGE $VERSION, but the
+$progname: definition of this LT_INIT comes from an older release.
+$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION
+$progname: and run autoconf again.
+_LT_EOF
+      else
+        cat >&2 <<_LT_EOF
+$progname: Version mismatch error.  This is $PACKAGE $VERSION, but the
+$progname: definition of this LT_INIT comes from $PACKAGE $macro_version.
+$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION
+$progname: and run autoconf again.
+_LT_EOF
+      fi
+    else
+      cat >&2 <<_LT_EOF
+$progname: Version mismatch error.  This is $PACKAGE $VERSION, revision $package_revision,
+$progname: but the definition of this LT_INIT comes from revision $macro_revision.
+$progname: You should recreate aclocal.m4 with macros from revision $package_revision
+$progname: of $PACKAGE $VERSION and run autoconf again.
+_LT_EOF
+    fi
+
+    exit $EXIT_MISMATCH
+  fi
+}
+
+
+## ----------- ##
+##    Main.    ##
+## ----------- ##
+
+$opt_help || {
+  # Sanity checks first:
+  func_check_version_match
+
+  if test "$build_libtool_libs" != yes && test "$build_old_libs" != yes; then
+    func_fatal_configuration "not configured to build any kind of library"
+  fi
+
+  test -z "$mode" && func_fatal_error "error: you must specify a MODE."
+
+
+  # Darwin sucks
+  eval std_shrext=\"$shrext_cmds\"
+
+
+  # Only execute mode is allowed to have -dlopen flags.
+  if test -n "$execute_dlfiles" && test "$mode" != execute; then
+    func_error "unrecognized option \`-dlopen'"
+    $ECHO "$help" 1>&2
+    exit $EXIT_FAILURE
+  fi
+
+  # Change the help message to a mode-specific one.
+  generic_help="$help"
+  help="Try \`$progname --help --mode=$mode' for more information."
+}
+
+
+# func_lalib_p file
+# True iff FILE is a libtool `.la' library or `.lo' object file.
+# This function is only a basic sanity check; it will hardly flush out
+# determined imposters.
+func_lalib_p ()
+{
+    $SED -e 4q "$1" 2>/dev/null \
+      | $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1
+}
+
+# func_lalib_unsafe_p file
+# True iff FILE is a libtool `.la' library or `.lo' object file.
+# This function implements the same check as func_lalib_p without
+# resorting to external programs.  To this end, it redirects stdin and
+# closes it afterwards, without saving the original file descriptor.
+# As a safety measure, use it only where a negative result would be
+# fatal anyway.  Works if `file' does not exist.
+func_lalib_unsafe_p ()
+{
+    lalib_p=no
+    if test -r "$1" && exec 5<&0 <"$1"; then
+	for lalib_p_l in 1 2 3 4
+	do
+	    read lalib_p_line
+	    case "$lalib_p_line" in
+		\#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;;
+	    esac
+	done
+	exec 0<&5 5<&-
+    fi
+    test "$lalib_p" = yes
+}
+
+# func_ltwrapper_script_p file
+# True iff FILE is a libtool wrapper script
+# This function is only a basic sanity check; it will hardly flush out
+# determined imposters.
+func_ltwrapper_script_p ()
+{
+    func_lalib_p "$1"
+}
+
+# func_ltwrapper_executable_p file
+# True iff FILE is a libtool wrapper executable
+# This function is only a basic sanity check; it will hardly flush out
+# determined imposters.
+func_ltwrapper_executable_p ()
+{
+    func_ltwrapper_exec_suffix=
+    case $1 in
+    *.exe) ;;
+    *) func_ltwrapper_exec_suffix=.exe ;;
+    esac
+    $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1
+}
+
+# func_ltwrapper_scriptname file
+# Assumes file is an ltwrapper_executable
+# uses $file to determine the appropriate filename for a
+# temporary ltwrapper_script.
+func_ltwrapper_scriptname ()
+{
+    func_ltwrapper_scriptname_result=""
+    if func_ltwrapper_executable_p "$1"; then
+	func_dirname_and_basename "$1" "" "."
+	func_stripname '' '.exe' "$func_basename_result"
+	func_ltwrapper_scriptname_result="$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper"
+    fi
+}
+
+# func_ltwrapper_p file
+# True iff FILE is a libtool wrapper script or wrapper executable
+# This function is only a basic sanity check; it will hardly flush out
+# determined imposters.
+func_ltwrapper_p ()
+{
+    func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1"
+}
+
+
+# func_execute_cmds commands fail_cmd
+# Execute tilde-delimited COMMANDS.
+# If FAIL_CMD is given, eval that upon failure.
+# FAIL_CMD may read-access the current command in variable CMD!
+func_execute_cmds ()
+{
+    $opt_debug
+    save_ifs=$IFS; IFS='~'
+    for cmd in $1; do
+      IFS=$save_ifs
+      eval cmd=\"$cmd\"
+      func_show_eval "$cmd" "${2-:}"
+    done
+    IFS=$save_ifs
+}
+
+
+# func_source file
+# Source FILE, adding directory component if necessary.
+# Note that it is not necessary on cygwin/mingw to append a dot to
+# FILE even if both FILE and FILE.exe exist: automatic-append-.exe
+# behavior happens only for exec(3), not for open(2)!  Also, sourcing
+# `FILE.' does not work on cygwin managed mounts.
+func_source ()
+{
+    $opt_debug
+    case $1 in
+    */* | *\\*)	. "$1" ;;
+    *)		. "./$1" ;;
+    esac
+}
+
+
+# func_infer_tag arg
+# Infer tagged configuration to use if any are available and
+# if one wasn't chosen via the "--tag" command line option.
+# Only attempt this if the compiler in the base compile
+# command doesn't match the default compiler.
+# arg is usually of the form 'gcc ...'
+func_infer_tag ()
+{
+    $opt_debug
+    if test -n "$available_tags" && test -z "$tagname"; then
+      CC_quoted=
+      for arg in $CC; do
+        func_quote_for_eval "$arg"
+	CC_quoted="$CC_quoted $func_quote_for_eval_result"
+      done
+      case $@ in
+      # Blanks in the command may have been stripped by the calling shell,
+      # but not from the CC environment variable when configure was run.
+      " $CC "* | "$CC "* | " `$ECHO $CC` "* | "`$ECHO $CC` "* | " $CC_quoted"* | "$CC_quoted "* | " `$ECHO $CC_quoted` "* | "`$ECHO $CC_quoted` "*) ;;
+      # Blanks at the start of $base_compile will cause this to fail
+      # if we don't check for them as well.
+      *)
+	for z in $available_tags; do
+	  if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then
+	    # Evaluate the configuration.
+	    eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`"
+	    CC_quoted=
+	    for arg in $CC; do
+	      # Double-quote args containing other shell metacharacters.
+	      func_quote_for_eval "$arg"
+	      CC_quoted="$CC_quoted $func_quote_for_eval_result"
+	    done
+	    case "$@ " in
+	      " $CC "* | "$CC "* | " `$ECHO $CC` "* | "`$ECHO $CC` "* | " $CC_quoted"* | "$CC_quoted "* | " `$ECHO $CC_quoted` "* | "`$ECHO $CC_quoted` "*)
+	      # The compiler in the base compile command matches
+	      # the one in the tagged configuration.
+	      # Assume this is the tagged configuration we want.
+	      tagname=$z
+	      break
+	      ;;
+	    esac
+	  fi
+	done
+	# If $tagname still isn't set, then no tagged configuration
+	# was found and let the user know that the "--tag" command
+	# line option must be used.
+	if test -z "$tagname"; then
+	  func_echo "unable to infer tagged configuration"
+	  func_fatal_error "specify a tag with \`--tag'"
+#	else
+#	  func_verbose "using $tagname tagged configuration"
+	fi
+	;;
+      esac
+    fi
+}
+
+
+
+# func_write_libtool_object output_name pic_name nonpic_name
+# Create a libtool object file (analogous to a ".la" file),
+# but don't create it if we're doing a dry run.
+func_write_libtool_object ()
+{
+    write_libobj=${1}
+    if test "$build_libtool_libs" = yes; then
+      write_lobj=\'${2}\'
+    else
+      write_lobj=none
+    fi
+
+    if test "$build_old_libs" = yes; then
+      write_oldobj=\'${3}\'
+    else
+      write_oldobj=none
+    fi
+
+    $opt_dry_run || {
+      cat >${write_libobj}T <<EOF
+# $write_libobj - a libtool object file
+# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object=$write_lobj
+
+# Name of the non-PIC object
+non_pic_object=$write_oldobj
+
+EOF
+      $MV "${write_libobj}T" "${write_libobj}"
+    }
+}
+
+# func_mode_compile arg...
+func_mode_compile ()
+{
+    $opt_debug
+    # Get the compilation command and the source file.
+    base_compile=
+    srcfile="$nonopt"  #  always keep a non-empty value in "srcfile"
+    suppress_opt=yes
+    suppress_output=
+    arg_mode=normal
+    libobj=
+    later=
+    pie_flag=
+
+    for arg
+    do
+      case $arg_mode in
+      arg  )
+	# do not "continue".  Instead, add this to base_compile
+	lastarg="$arg"
+	arg_mode=normal
+	;;
+
+      target )
+	libobj="$arg"
+	arg_mode=normal
+	continue
+	;;
+
+      normal )
+	# Accept any command-line options.
+	case $arg in
+	-o)
+	  test -n "$libobj" && \
+	    func_fatal_error "you cannot specify \`-o' more than once"
+	  arg_mode=target
+	  continue
+	  ;;
+
+	-pie | -fpie | -fPIE)
+          pie_flag="$pie_flag $arg"
+	  continue
+	  ;;
+
+	-shared | -static | -prefer-pic | -prefer-non-pic)
+	  later="$later $arg"
+	  continue
+	  ;;
+
+	-no-suppress)
+	  suppress_opt=no
+	  continue
+	  ;;
+
+	-Xcompiler)
+	  arg_mode=arg  #  the next one goes into the "base_compile" arg list
+	  continue      #  The current "srcfile" will either be retained or
+	  ;;            #  replaced later.  I would guess that would be a bug.
+
+	-Wc,*)
+	  func_stripname '-Wc,' '' "$arg"
+	  args=$func_stripname_result
+	  lastarg=
+	  save_ifs="$IFS"; IFS=','
+	  for arg in $args; do
+	    IFS="$save_ifs"
+	    func_quote_for_eval "$arg"
+	    lastarg="$lastarg $func_quote_for_eval_result"
+	  done
+	  IFS="$save_ifs"
+	  func_stripname ' ' '' "$lastarg"
+	  lastarg=$func_stripname_result
+
+	  # Add the arguments to base_compile.
+	  base_compile="$base_compile $lastarg"
+	  continue
+	  ;;
+
+	*)
+	  # Accept the current argument as the source file.
+	  # The previous "srcfile" becomes the current argument.
+	  #
+	  lastarg="$srcfile"
+	  srcfile="$arg"
+	  ;;
+	esac  #  case $arg
+	;;
+      esac    #  case $arg_mode
+
+      # Aesthetically quote the previous argument.
+      func_quote_for_eval "$lastarg"
+      base_compile="$base_compile $func_quote_for_eval_result"
+    done # for arg
+
+    case $arg_mode in
+    arg)
+      func_fatal_error "you must specify an argument for -Xcompile"
+      ;;
+    target)
+      func_fatal_error "you must specify a target with \`-o'"
+      ;;
+    *)
+      # Get the name of the library object.
+      test -z "$libobj" && {
+	func_basename "$srcfile"
+	libobj="$func_basename_result"
+      }
+      ;;
+    esac
+
+    # Recognize several different file suffixes.
+    # If the user specifies -o file.o, it is replaced with file.lo
+    case $libobj in
+    *.[cCFSifmso] | \
+    *.ada | *.adb | *.ads | *.asm | \
+    *.c++ | *.cc | *.ii | *.class | *.cpp | *.cxx | \
+    *.[fF][09]? | *.for | *.java | *.obj | *.sx)
+      func_xform "$libobj"
+      libobj=$func_xform_result
+      ;;
+    esac
+
+    case $libobj in
+    *.lo) func_lo2o "$libobj"; obj=$func_lo2o_result ;;
+    *)
+      func_fatal_error "cannot determine name of library object from \`$libobj'"
+      ;;
+    esac
+
+    func_infer_tag $base_compile
+
+    for arg in $later; do
+      case $arg in
+      -shared)
+	test "$build_libtool_libs" != yes && \
+	  func_fatal_configuration "can not build a shared library"
+	build_old_libs=no
+	continue
+	;;
+
+      -static)
+	build_libtool_libs=no
+	build_old_libs=yes
+	continue
+	;;
+
+      -prefer-pic)
+	pic_mode=yes
+	continue
+	;;
+
+      -prefer-non-pic)
+	pic_mode=no
+	continue
+	;;
+      esac
+    done
+
+    func_quote_for_eval "$libobj"
+    test "X$libobj" != "X$func_quote_for_eval_result" \
+      && $ECHO "X$libobj" | $GREP '[]~#^*{};<>?"'"'"'	 &()|`$[]' \
+      && func_warning "libobj name \`$libobj' may not contain shell special characters."
+    func_dirname_and_basename "$obj" "/" ""
+    objname="$func_basename_result"
+    xdir="$func_dirname_result"
+    lobj=${xdir}$objdir/$objname
+
+    test -z "$base_compile" && \
+      func_fatal_help "you must specify a compilation command"
+
+    # Delete any leftover library objects.
+    if test "$build_old_libs" = yes; then
+      removelist="$obj $lobj $libobj ${libobj}T"
+    else
+      removelist="$lobj $libobj ${libobj}T"
+    fi
+
+    # On Cygwin there's no "real" PIC flag so we must build both object types
+    case $host_os in
+    cygwin* | mingw* | pw32* | os2*)
+      pic_mode=default
+      ;;
+    esac
+    if test "$pic_mode" = no && test "$deplibs_check_method" != pass_all; then
+      # non-PIC code in shared libraries is not supported
+      pic_mode=default
+    fi
+
+    # Calculate the filename of the output object if compiler does
+    # not support -o with -c
+    if test "$compiler_c_o" = no; then
+      output_obj=`$ECHO "X$srcfile" | $Xsed -e 's%^.*/%%' -e 's%\.[^.]*$%%'`.${objext}
+      lockfile="$output_obj.lock"
+    else
+      output_obj=
+      need_locks=no
+      lockfile=
+    fi
+
+    # Lock this critical section if it is needed
+    # We use this script file to make the link, it avoids creating a new file
+    if test "$need_locks" = yes; then
+      until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do
+	func_echo "Waiting for $lockfile to be removed"
+	sleep 2
+      done
+    elif test "$need_locks" = warn; then
+      if test -f "$lockfile"; then
+	$ECHO "\
+*** ERROR, $lockfile exists and contains:
+`cat $lockfile 2>/dev/null`
+
+This indicates that another process is trying to use the same
+temporary object file, and libtool could not work around it because
+your compiler does not support \`-c' and \`-o' together.  If you
+repeat this compilation, it may succeed, by chance, but you had better
+avoid parallel builds (make -j) in this platform, or get a better
+compiler."
+
+	$opt_dry_run || $RM $removelist
+	exit $EXIT_FAILURE
+      fi
+      removelist="$removelist $output_obj"
+      $ECHO "$srcfile" > "$lockfile"
+    fi
+
+    $opt_dry_run || $RM $removelist
+    removelist="$removelist $lockfile"
+    trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15
+
+    if test -n "$fix_srcfile_path"; then
+      eval srcfile=\"$fix_srcfile_path\"
+    fi
+    func_quote_for_eval "$srcfile"
+    qsrcfile=$func_quote_for_eval_result
+
+    # Only build a PIC object if we are building libtool libraries.
+    if test "$build_libtool_libs" = yes; then
+      # Without this assignment, base_compile gets emptied.
+      fbsd_hideous_sh_bug=$base_compile
+
+      if test "$pic_mode" != no; then
+	command="$base_compile $qsrcfile $pic_flag"
+      else
+	# Don't build PIC code
+	command="$base_compile $qsrcfile"
+      fi
+
+      func_mkdir_p "$xdir$objdir"
+
+      if test -z "$output_obj"; then
+	# Place PIC objects in $objdir
+	command="$command -o $lobj"
+      fi
+
+      func_show_eval_locale "$command"	\
+          'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE'
+
+      if test "$need_locks" = warn &&
+	 test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then
+	$ECHO "\
+*** ERROR, $lockfile contains:
+`cat $lockfile 2>/dev/null`
+
+but it should contain:
+$srcfile
+
+This indicates that another process is trying to use the same
+temporary object file, and libtool could not work around it because
+your compiler does not support \`-c' and \`-o' together.  If you
+repeat this compilation, it may succeed, by chance, but you had better
+avoid parallel builds (make -j) in this platform, or get a better
+compiler."
+
+	$opt_dry_run || $RM $removelist
+	exit $EXIT_FAILURE
+      fi
+
+      # Just move the object if needed, then go on to compile the next one
+      if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then
+	func_show_eval '$MV "$output_obj" "$lobj"' \
+	  'error=$?; $opt_dry_run || $RM $removelist; exit $error'
+      fi
+
+      # Allow error messages only from the first compilation.
+      if test "$suppress_opt" = yes; then
+	suppress_output=' >/dev/null 2>&1'
+      fi
+    fi
+
+    # Only build a position-dependent object if we build old libraries.
+    if test "$build_old_libs" = yes; then
+      if test "$pic_mode" != yes; then
+	# Don't build PIC code
+	command="$base_compile $qsrcfile$pie_flag"
+      else
+	command="$base_compile $qsrcfile $pic_flag"
+      fi
+      if test "$compiler_c_o" = yes; then
+	command="$command -o $obj"
+      fi
+
+      # Suppress compiler output if we already did a PIC compilation.
+      command="$command$suppress_output"
+      func_show_eval_locale "$command" \
+        '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE'
+
+      if test "$need_locks" = warn &&
+	 test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then
+	$ECHO "\
+*** ERROR, $lockfile contains:
+`cat $lockfile 2>/dev/null`
+
+but it should contain:
+$srcfile
+
+This indicates that another process is trying to use the same
+temporary object file, and libtool could not work around it because
+your compiler does not support \`-c' and \`-o' together.  If you
+repeat this compilation, it may succeed, by chance, but you had better
+avoid parallel builds (make -j) in this platform, or get a better
+compiler."
+
+	$opt_dry_run || $RM $removelist
+	exit $EXIT_FAILURE
+      fi
+
+      # Just move the object if needed
+      if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then
+	func_show_eval '$MV "$output_obj" "$obj"' \
+	  'error=$?; $opt_dry_run || $RM $removelist; exit $error'
+      fi
+    fi
+
+    $opt_dry_run || {
+      func_write_libtool_object "$libobj" "$objdir/$objname" "$objname"
+
+      # Unlock the critical section if it was locked
+      if test "$need_locks" != no; then
+	removelist=$lockfile
+        $RM "$lockfile"
+      fi
+    }
+
+    exit $EXIT_SUCCESS
+}
+
+$opt_help || {
+test "$mode" = compile && func_mode_compile ${1+"$@"}
+}
+
+func_mode_help ()
+{
+    # We need to display help for each of the modes.
+    case $mode in
+      "")
+        # Generic help is extracted from the usage comments
+        # at the start of this file.
+        func_help
+        ;;
+
+      clean)
+        $ECHO \
+"Usage: $progname [OPTION]... --mode=clean RM [RM-OPTION]... FILE...
+
+Remove files from the build directory.
+
+RM is the name of the program to use to delete files associated with each FILE
+(typically \`/bin/rm').  RM-OPTIONS are options (such as \`-f') to be passed
+to RM.
+
+If FILE is a libtool library, object or program, all the files associated
+with it are deleted. Otherwise, only FILE itself is deleted using RM."
+        ;;
+
+      compile)
+      $ECHO \
+"Usage: $progname [OPTION]... --mode=compile COMPILE-COMMAND... SOURCEFILE
+
+Compile a source file into a libtool library object.
+
+This mode accepts the following additional options:
+
+  -o OUTPUT-FILE    set the output file name to OUTPUT-FILE
+  -no-suppress      do not suppress compiler output for multiple passes
+  -prefer-pic       try to building PIC objects only
+  -prefer-non-pic   try to building non-PIC objects only
+  -shared           do not build a \`.o' file suitable for static linking
+  -static           only build a \`.o' file suitable for static linking
+
+COMPILE-COMMAND is a command to be used in creating a \`standard' object file
+from the given SOURCEFILE.
+
+The output file name is determined by removing the directory component from
+SOURCEFILE, then substituting the C source code suffix \`.c' with the
+library object suffix, \`.lo'."
+        ;;
+
+      execute)
+        $ECHO \
+"Usage: $progname [OPTION]... --mode=execute COMMAND [ARGS]...
+
+Automatically set library path, then run a program.
+
+This mode accepts the following additional options:
+
+  -dlopen FILE      add the directory containing FILE to the library path
+
+This mode sets the library path environment variable according to \`-dlopen'
+flags.
+
+If any of the ARGS are libtool executable wrappers, then they are translated
+into their corresponding uninstalled binary, and any of their required library
+directories are added to the library path.
+
+Then, COMMAND is executed, with ARGS as arguments."
+        ;;
+
+      finish)
+        $ECHO \
+"Usage: $progname [OPTION]... --mode=finish [LIBDIR]...
+
+Complete the installation of libtool libraries.
+
+Each LIBDIR is a directory that contains libtool libraries.
+
+The commands that this mode executes may require superuser privileges.  Use
+the \`--dry-run' option if you just want to see what would be executed."
+        ;;
+
+      install)
+        $ECHO \
+"Usage: $progname [OPTION]... --mode=install INSTALL-COMMAND...
+
+Install executables or libraries.
+
+INSTALL-COMMAND is the installation command.  The first component should be
+either the \`install' or \`cp' program.
+
+The following components of INSTALL-COMMAND are treated specially:
+
+  -inst-prefix PREFIX-DIR  Use PREFIX-DIR as a staging area for installation
+
+The rest of the components are interpreted as arguments to that command (only
+BSD-compatible install options are recognized)."
+        ;;
+
+      link)
+        $ECHO \
+"Usage: $progname [OPTION]... --mode=link LINK-COMMAND...
+
+Link object files or libraries together to form another library, or to
+create an executable program.
+
+LINK-COMMAND is a command using the C compiler that you would use to create
+a program from several object files.
+
+The following components of LINK-COMMAND are treated specially:
+
+  -all-static       do not do any dynamic linking at all
+  -avoid-version    do not add a version suffix if possible
+  -dlopen FILE      \`-dlpreopen' FILE if it cannot be dlopened at runtime
+  -dlpreopen FILE   link in FILE and add its symbols to lt_preloaded_symbols
+  -export-dynamic   allow symbols from OUTPUT-FILE to be resolved with dlsym(3)
+  -export-symbols SYMFILE
+                    try to export only the symbols listed in SYMFILE
+  -export-symbols-regex REGEX
+                    try to export only the symbols matching REGEX
+  -LLIBDIR          search LIBDIR for required installed libraries
+  -lNAME            OUTPUT-FILE requires the installed library libNAME
+  -module           build a library that can dlopened
+  -no-fast-install  disable the fast-install mode
+  -no-install       link a not-installable executable
+  -no-undefined     declare that a library does not refer to external symbols
+  -o OUTPUT-FILE    create OUTPUT-FILE from the specified objects
+  -objectlist FILE  Use a list of object files found in FILE to specify objects
+  -precious-files-regex REGEX
+                    don't remove output files matching REGEX
+  -release RELEASE  specify package release information
+  -rpath LIBDIR     the created library will eventually be installed in LIBDIR
+  -R[ ]LIBDIR       add LIBDIR to the runtime path of programs and libraries
+  -shared           only do dynamic linking of libtool libraries
+  -shrext SUFFIX    override the standard shared library file extension
+  -static           do not do any dynamic linking of uninstalled libtool libraries
+  -static-libtool-libs
+                    do not do any dynamic linking of libtool libraries
+  -version-info CURRENT[:REVISION[:AGE]]
+                    specify library version info [each variable defaults to 0]
+  -weak LIBNAME     declare that the target provides the LIBNAME interface
+
+All other options (arguments beginning with \`-') are ignored.
+
+Every other argument is treated as a filename.  Files ending in \`.la' are
+treated as uninstalled libtool libraries, other files are standard or library
+object files.
+
+If the OUTPUT-FILE ends in \`.la', then a libtool library is created,
+only library objects (\`.lo' files) may be specified, and \`-rpath' is
+required, except when creating a convenience library.
+
+If OUTPUT-FILE ends in \`.a' or \`.lib', then a standard library is created
+using \`ar' and \`ranlib', or on Windows using \`lib'.
+
+If OUTPUT-FILE ends in \`.lo' or \`.${objext}', then a reloadable object file
+is created, otherwise an executable program is created."
+        ;;
+
+      uninstall)
+        $ECHO \
+"Usage: $progname [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE...
+
+Remove libraries from an installation directory.
+
+RM is the name of the program to use to delete files associated with each FILE
+(typically \`/bin/rm').  RM-OPTIONS are options (such as \`-f') to be passed
+to RM.
+
+If FILE is a libtool library, all the files associated with it are deleted.
+Otherwise, only FILE itself is deleted using RM."
+        ;;
+
+      *)
+        func_fatal_help "invalid operation mode \`$mode'"
+        ;;
+    esac
+
+    $ECHO
+    $ECHO "Try \`$progname --help' for more information about other modes."
+
+    exit $?
+}
+
+  # Now that we've collected a possible --mode arg, show help if necessary
+  $opt_help && func_mode_help
+
+
+# func_mode_execute arg...
+func_mode_execute ()
+{
+    $opt_debug
+    # The first argument is the command name.
+    cmd="$nonopt"
+    test -z "$cmd" && \
+      func_fatal_help "you must specify a COMMAND"
+
+    # Handle -dlopen flags immediately.
+    for file in $execute_dlfiles; do
+      test -f "$file" \
+	|| func_fatal_help "\`$file' is not a file"
+
+      dir=
+      case $file in
+      *.la)
+	# Check to see that this really is a libtool archive.
+	func_lalib_unsafe_p "$file" \
+	  || func_fatal_help "\`$lib' is not a valid libtool archive"
+
+	# Read the libtool library.
+	dlname=
+	library_names=
+	func_source "$file"
+
+	# Skip this library if it cannot be dlopened.
+	if test -z "$dlname"; then
+	  # Warn if it was a shared library.
+	  test -n "$library_names" && \
+	    func_warning "\`$file' was not linked with \`-export-dynamic'"
+	  continue
+	fi
+
+	func_dirname "$file" "" "."
+	dir="$func_dirname_result"
+
+	if test -f "$dir/$objdir/$dlname"; then
+	  dir="$dir/$objdir"
+	else
+	  if test ! -f "$dir/$dlname"; then
+	    func_fatal_error "cannot find \`$dlname' in \`$dir' or \`$dir/$objdir'"
+	  fi
+	fi
+	;;
+
+      *.lo)
+	# Just add the directory containing the .lo file.
+	func_dirname "$file" "" "."
+	dir="$func_dirname_result"
+	;;
+
+      *)
+	func_warning "\`-dlopen' is ignored for non-libtool libraries and objects"
+	continue
+	;;
+      esac
+
+      # Get the absolute pathname.
+      absdir=`cd "$dir" && pwd`
+      test -n "$absdir" && dir="$absdir"
+
+      # Now add the directory to shlibpath_var.
+      if eval "test -z \"\$$shlibpath_var\""; then
+	eval "$shlibpath_var=\"\$dir\""
+      else
+	eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\""
+      fi
+    done
+
+    # This variable tells wrapper scripts just to set shlibpath_var
+    # rather than running their programs.
+    libtool_execute_magic="$magic"
+
+    # Check if any of the arguments is a wrapper script.
+    args=
+    for file
+    do
+      case $file in
+      -*) ;;
+      *)
+	# Do a test to see if this is really a libtool program.
+	if func_ltwrapper_script_p "$file"; then
+	  func_source "$file"
+	  # Transform arg to wrapped name.
+	  file="$progdir/$program"
+	elif func_ltwrapper_executable_p "$file"; then
+	  func_ltwrapper_scriptname "$file"
+	  func_source "$func_ltwrapper_scriptname_result"
+	  # Transform arg to wrapped name.
+	  file="$progdir/$program"
+	fi
+	;;
+      esac
+      # Quote arguments (to preserve shell metacharacters).
+      func_quote_for_eval "$file"
+      args="$args $func_quote_for_eval_result"
+    done
+
+    if test "X$opt_dry_run" = Xfalse; then
+      if test -n "$shlibpath_var"; then
+	# Export the shlibpath_var.
+	eval "export $shlibpath_var"
+      fi
+
+      # Restore saved environment variables
+      for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES
+      do
+	eval "if test \"\${save_$lt_var+set}\" = set; then
+                $lt_var=\$save_$lt_var; export $lt_var
+	      else
+		$lt_unset $lt_var
+	      fi"
+      done
+
+      # Now prepare to actually exec the command.
+      exec_cmd="\$cmd$args"
+    else
+      # Display what would be done.
+      if test -n "$shlibpath_var"; then
+	eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\""
+	$ECHO "export $shlibpath_var"
+      fi
+      $ECHO "$cmd$args"
+      exit $EXIT_SUCCESS
+    fi
+}
+
+test "$mode" = execute && func_mode_execute ${1+"$@"}
+
+
+# func_mode_finish arg...
+func_mode_finish ()
+{
+    $opt_debug
+    libdirs="$nonopt"
+    admincmds=
+
+    if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then
+      for dir
+      do
+	libdirs="$libdirs $dir"
+      done
+
+      for libdir in $libdirs; do
+	if test -n "$finish_cmds"; then
+	  # Do each command in the finish commands.
+	  func_execute_cmds "$finish_cmds" 'admincmds="$admincmds
+'"$cmd"'"'
+	fi
+	if test -n "$finish_eval"; then
+	  # Do the single finish_eval.
+	  eval cmds=\"$finish_eval\"
+	  $opt_dry_run || eval "$cmds" || admincmds="$admincmds
+       $cmds"
+	fi
+      done
+    fi
+
+    # Exit here if they wanted silent mode.
+    $opt_silent && exit $EXIT_SUCCESS
+
+    $ECHO "X----------------------------------------------------------------------" | $Xsed
+    $ECHO "Libraries have been installed in:"
+    for libdir in $libdirs; do
+      $ECHO "   $libdir"
+    done
+    $ECHO
+    $ECHO "If you ever happen to want to link against installed libraries"
+    $ECHO "in a given directory, LIBDIR, you must either use libtool, and"
+    $ECHO "specify the full pathname of the library, or use the \`-LLIBDIR'"
+    $ECHO "flag during linking and do at least one of the following:"
+    if test -n "$shlibpath_var"; then
+      $ECHO "   - add LIBDIR to the \`$shlibpath_var' environment variable"
+      $ECHO "     during execution"
+    fi
+    if test -n "$runpath_var"; then
+      $ECHO "   - add LIBDIR to the \`$runpath_var' environment variable"
+      $ECHO "     during linking"
+    fi
+    if test -n "$hardcode_libdir_flag_spec"; then
+      libdir=LIBDIR
+      eval flag=\"$hardcode_libdir_flag_spec\"
+
+      $ECHO "   - use the \`$flag' linker flag"
+    fi
+    if test -n "$admincmds"; then
+      $ECHO "   - have your system administrator run these commands:$admincmds"
+    fi
+    if test -f /etc/ld.so.conf; then
+      $ECHO "   - have your system administrator add LIBDIR to \`/etc/ld.so.conf'"
+    fi
+    $ECHO
+
+    $ECHO "See any operating system documentation about shared libraries for"
+    case $host in
+      solaris2.[6789]|solaris2.1[0-9])
+        $ECHO "more information, such as the ld(1), crle(1) and ld.so(8) manual"
+	$ECHO "pages."
+	;;
+      *)
+        $ECHO "more information, such as the ld(1) and ld.so(8) manual pages."
+        ;;
+    esac
+    $ECHO "X----------------------------------------------------------------------" | $Xsed
+    exit $EXIT_SUCCESS
+}
+
+test "$mode" = finish && func_mode_finish ${1+"$@"}
+
+
+# func_mode_install arg...
+func_mode_install ()
+{
+    $opt_debug
+    # There may be an optional sh(1) argument at the beginning of
+    # install_prog (especially on Windows NT).
+    if test "$nonopt" = "$SHELL" || test "$nonopt" = /bin/sh ||
+       # Allow the use of GNU shtool's install command.
+       $ECHO "X$nonopt" | $GREP shtool >/dev/null; then
+      # Aesthetically quote it.
+      func_quote_for_eval "$nonopt"
+      install_prog="$func_quote_for_eval_result "
+      arg=$1
+      shift
+    else
+      install_prog=
+      arg=$nonopt
+    fi
+
+    # The real first argument should be the name of the installation program.
+    # Aesthetically quote it.
+    func_quote_for_eval "$arg"
+    install_prog="$install_prog$func_quote_for_eval_result"
+
+    # We need to accept at least all the BSD install flags.
+    dest=
+    files=
+    opts=
+    prev=
+    install_type=
+    isdir=no
+    stripme=
+    for arg
+    do
+      if test -n "$dest"; then
+	files="$files $dest"
+	dest=$arg
+	continue
+      fi
+
+      case $arg in
+      -d) isdir=yes ;;
+      -f)
+	case " $install_prog " in
+	*[\\\ /]cp\ *) ;;
+	*) prev=$arg ;;
+	esac
+	;;
+      -g | -m | -o)
+	prev=$arg
+	;;
+      -s)
+	stripme=" -s"
+	continue
+	;;
+      -*)
+	;;
+      *)
+	# If the previous option needed an argument, then skip it.
+	if test -n "$prev"; then
+	  prev=
+	else
+	  dest=$arg
+	  continue
+	fi
+	;;
+      esac
+
+      # Aesthetically quote the argument.
+      func_quote_for_eval "$arg"
+      install_prog="$install_prog $func_quote_for_eval_result"
+    done
+
+    test -z "$install_prog" && \
+      func_fatal_help "you must specify an install program"
+
+    test -n "$prev" && \
+      func_fatal_help "the \`$prev' option requires an argument"
+
+    if test -z "$files"; then
+      if test -z "$dest"; then
+	func_fatal_help "no file or destination specified"
+      else
+	func_fatal_help "you must specify a destination"
+      fi
+    fi
+
+    # Strip any trailing slash from the destination.
+    func_stripname '' '/' "$dest"
+    dest=$func_stripname_result
+
+    # Check to see that the destination is a directory.
+    test -d "$dest" && isdir=yes
+    if test "$isdir" = yes; then
+      destdir="$dest"
+      destname=
+    else
+      func_dirname_and_basename "$dest" "" "."
+      destdir="$func_dirname_result"
+      destname="$func_basename_result"
+
+      # Not a directory, so check to see that there is only one file specified.
+      set dummy $files; shift
+      test "$#" -gt 1 && \
+	func_fatal_help "\`$dest' is not a directory"
+    fi
+    case $destdir in
+    [\\/]* | [A-Za-z]:[\\/]*) ;;
+    *)
+      for file in $files; do
+	case $file in
+	*.lo) ;;
+	*)
+	  func_fatal_help "\`$destdir' must be an absolute directory name"
+	  ;;
+	esac
+      done
+      ;;
+    esac
+
+    # This variable tells wrapper scripts just to set variables rather
+    # than running their programs.
+    libtool_install_magic="$magic"
+
+    staticlibs=
+    future_libdirs=
+    current_libdirs=
+    for file in $files; do
+
+      # Do each installation.
+      case $file in
+      *.$libext)
+	# Do the static libraries later.
+	staticlibs="$staticlibs $file"
+	;;
+
+      *.la)
+	# Check to see that this really is a libtool archive.
+	func_lalib_unsafe_p "$file" \
+	  || func_fatal_help "\`$file' is not a valid libtool archive"
+
+	library_names=
+	old_library=
+	relink_command=
+	func_source "$file"
+
+	# Add the libdir to current_libdirs if it is the destination.
+	if test "X$destdir" = "X$libdir"; then
+	  case "$current_libdirs " in
+	  *" $libdir "*) ;;
+	  *) current_libdirs="$current_libdirs $libdir" ;;
+	  esac
+	else
+	  # Note the libdir as a future libdir.
+	  case "$future_libdirs " in
+	  *" $libdir "*) ;;
+	  *) future_libdirs="$future_libdirs $libdir" ;;
+	  esac
+	fi
+
+	func_dirname "$file" "/" ""
+	dir="$func_dirname_result"
+	dir="$dir$objdir"
+
+	if test -n "$relink_command"; then
+	  # Determine the prefix the user has applied to our future dir.
+	  inst_prefix_dir=`$ECHO "X$destdir" | $Xsed -e "s%$libdir\$%%"`
+
+	  # Don't allow the user to place us outside of our expected
+	  # location b/c this prevents finding dependent libraries that
+	  # are installed to the same prefix.
+	  # At present, this check doesn't affect windows .dll's that
+	  # are installed into $libdir/../bin (currently, that works fine)
+	  # but it's something to keep an eye on.
+	  test "$inst_prefix_dir" = "$destdir" && \
+	    func_fatal_error "error: cannot install \`$file' to a directory not ending in $libdir"
+
+	  if test -n "$inst_prefix_dir"; then
+	    # Stick the inst_prefix_dir data into the link command.
+	    relink_command=`$ECHO "X$relink_command" | $Xsed -e "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"`
+	  else
+	    relink_command=`$ECHO "X$relink_command" | $Xsed -e "s%@inst_prefix_dir@%%"`
+	  fi
+
+	  func_warning "relinking \`$file'"
+	  func_show_eval "$relink_command" \
+	    'func_fatal_error "error: relink \`$file'\'' with the above command before installing it"'
+	fi
+
+	# See the names of the shared library.
+	set dummy $library_names; shift
+	if test -n "$1"; then
+	  realname="$1"
+	  shift
+
+	  srcname="$realname"
+	  test -n "$relink_command" && srcname="$realname"T
+
+	  # Install the shared library and build the symlinks.
+	  func_show_eval "$install_prog $dir/$srcname $destdir/$realname" \
+	      'exit $?'
+	  tstripme="$stripme"
+	  case $host_os in
+	  cygwin* | mingw* | pw32*)
+	    case $realname in
+	    *.dll.a)
+	      tstripme=""
+	      ;;
+	    esac
+	    ;;
+	  esac
+	  if test -n "$tstripme" && test -n "$striplib"; then
+	    func_show_eval "$striplib $destdir/$realname" 'exit $?'
+	  fi
+
+	  if test "$#" -gt 0; then
+	    # Delete the old symlinks, and create new ones.
+	    # Try `ln -sf' first, because the `ln' binary might depend on
+	    # the symlink we replace!  Solaris /bin/ln does not understand -f,
+	    # so we also need to try rm && ln -s.
+	    for linkname
+	    do
+	      test "$linkname" != "$realname" \
+		&& func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })"
+	    done
+	  fi
+
+	  # Do each command in the postinstall commands.
+	  lib="$destdir/$realname"
+	  func_execute_cmds "$postinstall_cmds" 'exit $?'
+	fi
+
+	# Install the pseudo-library for information purposes.
+	func_basename "$file"
+	name="$func_basename_result"
+	instname="$dir/$name"i
+	func_show_eval "$install_prog $instname $destdir/$name" 'exit $?'
+
+	# Maybe install the static library, too.
+	test -n "$old_library" && staticlibs="$staticlibs $dir/$old_library"
+	;;
+
+      *.lo)
+	# Install (i.e. copy) a libtool object.
+
+	# Figure out destination file name, if it wasn't already specified.
+	if test -n "$destname"; then
+	  destfile="$destdir/$destname"
+	else
+	  func_basename "$file"
+	  destfile="$func_basename_result"
+	  destfile="$destdir/$destfile"
+	fi
+
+	# Deduce the name of the destination old-style object file.
+	case $destfile in
+	*.lo)
+	  func_lo2o "$destfile"
+	  staticdest=$func_lo2o_result
+	  ;;
+	*.$objext)
+	  staticdest="$destfile"
+	  destfile=
+	  ;;
+	*)
+	  func_fatal_help "cannot copy a libtool object to \`$destfile'"
+	  ;;
+	esac
+
+	# Install the libtool object if requested.
+	test -n "$destfile" && \
+	  func_show_eval "$install_prog $file $destfile" 'exit $?'
+
+	# Install the old object if enabled.
+	if test "$build_old_libs" = yes; then
+	  # Deduce the name of the old-style object file.
+	  func_lo2o "$file"
+	  staticobj=$func_lo2o_result
+	  func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?'
+	fi
+	exit $EXIT_SUCCESS
+	;;
+
+      *)
+	# Figure out destination file name, if it wasn't already specified.
+	if test -n "$destname"; then
+	  destfile="$destdir/$destname"
+	else
+	  func_basename "$file"
+	  destfile="$func_basename_result"
+	  destfile="$destdir/$destfile"
+	fi
+
+	# If the file is missing, and there is a .exe on the end, strip it
+	# because it is most likely a libtool script we actually want to
+	# install
+	stripped_ext=""
+	case $file in
+	  *.exe)
+	    if test ! -f "$file"; then
+	      func_stripname '' '.exe' "$file"
+	      file=$func_stripname_result
+	      stripped_ext=".exe"
+	    fi
+	    ;;
+	esac
+
+	# Do a test to see if this is really a libtool program.
+	case $host in
+	*cygwin*|*mingw*)
+	    if func_ltwrapper_executable_p "$file"; then
+	      func_ltwrapper_scriptname "$file"
+	      wrapper=$func_ltwrapper_scriptname_result
+	    else
+	      func_stripname '' '.exe' "$file"
+	      wrapper=$func_stripname_result
+	    fi
+	    ;;
+	*)
+	    wrapper=$file
+	    ;;
+	esac
+	if func_ltwrapper_script_p "$wrapper"; then
+	  notinst_deplibs=
+	  relink_command=
+
+	  func_source "$wrapper"
+
+	  # Check the variables that should have been set.
+	  test -z "$generated_by_libtool_version" && \
+	    func_fatal_error "invalid libtool wrapper script \`$wrapper'"
+
+	  finalize=yes
+	  for lib in $notinst_deplibs; do
+	    # Check to see that each library is installed.
+	    libdir=
+	    if test -f "$lib"; then
+	      func_source "$lib"
+	    fi
+	    libfile="$libdir/"`$ECHO "X$lib" | $Xsed -e 's%^.*/%%g'` ### testsuite: skip nested quoting test
+	    if test -n "$libdir" && test ! -f "$libfile"; then
+	      func_warning "\`$lib' has not been installed in \`$libdir'"
+	      finalize=no
+	    fi
+	  done
+
+	  relink_command=
+	  func_source "$wrapper"
+
+	  outputname=
+	  if test "$fast_install" = no && test -n "$relink_command"; then
+	    $opt_dry_run || {
+	      if test "$finalize" = yes; then
+	        tmpdir=`func_mktempdir`
+		func_basename "$file$stripped_ext"
+		file="$func_basename_result"
+	        outputname="$tmpdir/$file"
+	        # Replace the output file specification.
+	        relink_command=`$ECHO "X$relink_command" | $Xsed -e 's%@OUTPUT@%'"$outputname"'%g'`
+
+	        $opt_silent || {
+	          func_quote_for_expand "$relink_command"
+		  eval "func_echo $func_quote_for_expand_result"
+	        }
+	        if eval "$relink_command"; then :
+	          else
+		  func_error "error: relink \`$file' with the above command before installing it"
+		  $opt_dry_run || ${RM}r "$tmpdir"
+		  continue
+	        fi
+	        file="$outputname"
+	      else
+	        func_warning "cannot relink \`$file'"
+	      fi
+	    }
+	  else
+	    # Install the binary that we compiled earlier.
+	    file=`$ECHO "X$file$stripped_ext" | $Xsed -e "s%\([^/]*\)$%$objdir/\1%"`
+	  fi
+	fi
+
+	# remove .exe since cygwin /usr/bin/install will append another
+	# one anyway
+	case $install_prog,$host in
+	*/usr/bin/install*,*cygwin*)
+	  case $file:$destfile in
+	  *.exe:*.exe)
+	    # this is ok
+	    ;;
+	  *.exe:*)
+	    destfile=$destfile.exe
+	    ;;
+	  *:*.exe)
+	    func_stripname '' '.exe' "$destfile"
+	    destfile=$func_stripname_result
+	    ;;
+	  esac
+	  ;;
+	esac
+	func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?'
+	$opt_dry_run || if test -n "$outputname"; then
+	  ${RM}r "$tmpdir"
+	fi
+	;;
+      esac
+    done
+
+    for file in $staticlibs; do
+      func_basename "$file"
+      name="$func_basename_result"
+
+      # Set up the ranlib parameters.
+      oldlib="$destdir/$name"
+
+      func_show_eval "$install_prog \$file \$oldlib" 'exit $?'
+
+      if test -n "$stripme" && test -n "$old_striplib"; then
+	func_show_eval "$old_striplib $oldlib" 'exit $?'
+      fi
+
+      # Do each command in the postinstall commands.
+      func_execute_cmds "$old_postinstall_cmds" 'exit $?'
+    done
+
+    test -n "$future_libdirs" && \
+      func_warning "remember to run \`$progname --finish$future_libdirs'"
+
+    if test -n "$current_libdirs"; then
+      # Maybe just do a dry run.
+      $opt_dry_run && current_libdirs=" -n$current_libdirs"
+      exec_cmd='$SHELL $progpath $preserve_args --finish$current_libdirs'
+    else
+      exit $EXIT_SUCCESS
+    fi
+}
+
+test "$mode" = install && func_mode_install ${1+"$@"}
+
+
+# func_generate_dlsyms outputname originator pic_p
+# Extract symbols from dlprefiles and create ${outputname}S.o with
+# a dlpreopen symbol table.
+func_generate_dlsyms ()
+{
+    $opt_debug
+    my_outputname="$1"
+    my_originator="$2"
+    my_pic_p="${3-no}"
+    my_prefix=`$ECHO "$my_originator" | sed 's%[^a-zA-Z0-9]%_%g'`
+    my_dlsyms=
+
+    if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then
+      if test -n "$NM" && test -n "$global_symbol_pipe"; then
+	my_dlsyms="${my_outputname}S.c"
+      else
+	func_error "not configured to extract global symbols from dlpreopened files"
+      fi
+    fi
+
+    if test -n "$my_dlsyms"; then
+      case $my_dlsyms in
+      "") ;;
+      *.c)
+	# Discover the nlist of each of the dlfiles.
+	nlist="$output_objdir/${my_outputname}.nm"
+
+	func_show_eval "$RM $nlist ${nlist}S ${nlist}T"
+
+	# Parse the name list into a source file.
+	func_verbose "creating $output_objdir/$my_dlsyms"
+
+	$opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\
+/* $my_dlsyms - symbol resolution table for \`$my_outputname' dlsym emulation. */
+/* Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION */
+
+#ifdef __cplusplus
+extern \"C\" {
+#endif
+
+/* External symbol declarations for the compiler. */\
+"
+
+	if test "$dlself" = yes; then
+	  func_verbose "generating symbol list for \`$output'"
+
+	  $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist"
+
+	  # Add our own program objects to the symbol list.
+	  progfiles=`$ECHO "X$objs$old_deplibs" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP`
+	  for progfile in $progfiles; do
+	    func_verbose "extracting global C symbols from \`$progfile'"
+	    $opt_dry_run || eval "$NM $progfile | $global_symbol_pipe >> '$nlist'"
+	  done
+
+	  if test -n "$exclude_expsyms"; then
+	    $opt_dry_run || {
+	      eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T'
+	      eval '$MV "$nlist"T "$nlist"'
+	    }
+	  fi
+
+	  if test -n "$export_symbols_regex"; then
+	    $opt_dry_run || {
+	      eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T'
+	      eval '$MV "$nlist"T "$nlist"'
+	    }
+	  fi
+
+	  # Prepare the list of exported symbols
+	  if test -z "$export_symbols"; then
+	    export_symbols="$output_objdir/$outputname.exp"
+	    $opt_dry_run || {
+	      $RM $export_symbols
+	      eval "${SED} -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"'
+	      case $host in
+	      *cygwin* | *mingw* )
+                eval "echo EXPORTS "'> "$output_objdir/$outputname.def"'
+                eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"'
+	        ;;
+	      esac
+	    }
+	  else
+	    $opt_dry_run || {
+	      eval "${SED} -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"'
+	      eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T'
+	      eval '$MV "$nlist"T "$nlist"'
+	      case $host in
+	        *cygwin | *mingw* )
+	          eval "echo EXPORTS "'> "$output_objdir/$outputname.def"'
+	          eval 'cat "$nlist" >> "$output_objdir/$outputname.def"'
+	          ;;
+	      esac
+	    }
+	  fi
+	fi
+
+	for dlprefile in $dlprefiles; do
+	  func_verbose "extracting global C symbols from \`$dlprefile'"
+	  func_basename "$dlprefile"
+	  name="$func_basename_result"
+	  $opt_dry_run || {
+	    eval '$ECHO ": $name " >> "$nlist"'
+	    eval "$NM $dlprefile 2>/dev/null | $global_symbol_pipe >> '$nlist'"
+	  }
+	done
+
+	$opt_dry_run || {
+	  # Make sure we have at least an empty file.
+	  test -f "$nlist" || : > "$nlist"
+
+	  if test -n "$exclude_expsyms"; then
+	    $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T
+	    $MV "$nlist"T "$nlist"
+	  fi
+
+	  # Try sorting and uniquifying the output.
+	  if $GREP -v "^: " < "$nlist" |
+	      if sort -k 3 </dev/null >/dev/null 2>&1; then
+		sort -k 3
+	      else
+		sort +2
+	      fi |
+	      uniq > "$nlist"S; then
+	    :
+	  else
+	    $GREP -v "^: " < "$nlist" > "$nlist"S
+	  fi
+
+	  if test -f "$nlist"S; then
+	    eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"'
+	  else
+	    $ECHO '/* NONE */' >> "$output_objdir/$my_dlsyms"
+	  fi
+
+	  $ECHO >> "$output_objdir/$my_dlsyms" "\
+
+/* The mapping between symbol names and symbols.  */
+typedef struct {
+  const char *name;
+  void *address;
+} lt_dlsymlist;
+"
+	  case $host in
+	  *cygwin* | *mingw* )
+	    $ECHO >> "$output_objdir/$my_dlsyms" "\
+/* DATA imports from DLLs on WIN32 con't be const, because
+   runtime relocations are performed -- see ld's documentation
+   on pseudo-relocs.  */"
+	    lt_dlsym_const= ;;
+	  *osf5*)
+	    echo >> "$output_objdir/$my_dlsyms" "\
+/* This system does not cope well with relocations in const data */"
+	    lt_dlsym_const= ;;
+	  *)
+	    lt_dlsym_const=const ;;
+	  esac
+
+	  $ECHO >> "$output_objdir/$my_dlsyms" "\
+extern $lt_dlsym_const lt_dlsymlist
+lt_${my_prefix}_LTX_preloaded_symbols[];
+$lt_dlsym_const lt_dlsymlist
+lt_${my_prefix}_LTX_preloaded_symbols[] =
+{\
+  { \"$my_originator\", (void *) 0 },"
+
+	  case $need_lib_prefix in
+	  no)
+	    eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms"
+	    ;;
+	  *)
+	    eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms"
+	    ;;
+	  esac
+	  $ECHO >> "$output_objdir/$my_dlsyms" "\
+  {0, (void *) 0}
+};
+
+/* This works around a problem in FreeBSD linker */
+#ifdef FREEBSD_WORKAROUND
+static const void *lt_preloaded_setup() {
+  return lt_${my_prefix}_LTX_preloaded_symbols;
+}
+#endif
+
+#ifdef __cplusplus
+}
+#endif\
+"
+	} # !$opt_dry_run
+
+	pic_flag_for_symtable=
+	case "$compile_command " in
+	*" -static "*) ;;
+	*)
+	  case $host in
+	  # compiling the symbol table file with pic_flag works around
+	  # a FreeBSD bug that causes programs to crash when -lm is
+	  # linked before any other PIC object.  But we must not use
+	  # pic_flag when linking with -static.  The problem exists in
+	  # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1.
+	  *-*-freebsd2*|*-*-freebsd3.0*|*-*-freebsdelf3.0*)
+	    pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;;
+	  *-*-hpux*)
+	    pic_flag_for_symtable=" $pic_flag"  ;;
+	  *)
+	    if test "X$my_pic_p" != Xno; then
+	      pic_flag_for_symtable=" $pic_flag"
+	    fi
+	    ;;
+	  esac
+	  ;;
+	esac
+	symtab_cflags=
+	for arg in $LTCFLAGS; do
+	  case $arg in
+	  -pie | -fpie | -fPIE) ;;
+	  *) symtab_cflags="$symtab_cflags $arg" ;;
+	  esac
+	done
+
+	# Now compile the dynamic symbol file.
+	func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?'
+
+	# Clean up the generated files.
+	func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T"'
+
+	# Transform the symbol file into the correct name.
+	symfileobj="$output_objdir/${my_outputname}S.$objext"
+	case $host in
+	*cygwin* | *mingw* )
+	  if test -f "$output_objdir/$my_outputname.def"; then
+	    compile_command=`$ECHO "X$compile_command" | $Xsed -e "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"`
+	    finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"`
+	  else
+	    compile_command=`$ECHO "X$compile_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"`
+	    finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"`
+	  fi
+	  ;;
+	*)
+	  compile_command=`$ECHO "X$compile_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"`
+	  finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"`
+	  ;;
+	esac
+	;;
+      *)
+	func_fatal_error "unknown suffix for \`$my_dlsyms'"
+	;;
+      esac
+    else
+      # We keep going just in case the user didn't refer to
+      # lt_preloaded_symbols.  The linker will fail if global_symbol_pipe
+      # really was required.
+
+      # Nullify the symbol file.
+      compile_command=`$ECHO "X$compile_command" | $Xsed -e "s% @SYMFILE@%%"`
+      finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s% @SYMFILE@%%"`
+    fi
+}
+
+# func_win32_libid arg
+# return the library type of file 'arg'
+#
+# Need a lot of goo to handle *both* DLLs and import libs
+# Has to be a shell function in order to 'eat' the argument
+# that is supplied when $file_magic_command is called.
+func_win32_libid ()
+{
+  $opt_debug
+  win32_libid_type="unknown"
+  win32_fileres=`file -L $1 2>/dev/null`
+  case $win32_fileres in
+  *ar\ archive\ import\ library*) # definitely import
+    win32_libid_type="x86 archive import"
+    ;;
+  *ar\ archive*) # could be an import, or static
+    if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null |
+       $EGREP 'file format pe-i386(.*architecture: i386)?' >/dev/null ; then
+      win32_nmres=`eval $NM -f posix -A $1 |
+	$SED -n -e '
+	    1,100{
+		/ I /{
+		    s,.*,import,
+		    p
+		    q
+		}
+	    }'`
+      case $win32_nmres in
+      import*)  win32_libid_type="x86 archive import";;
+      *)        win32_libid_type="x86 archive static";;
+      esac
+    fi
+    ;;
+  *DLL*)
+    win32_libid_type="x86 DLL"
+    ;;
+  *executable*) # but shell scripts are "executable" too...
+    case $win32_fileres in
+    *MS\ Windows\ PE\ Intel*)
+      win32_libid_type="x86 DLL"
+      ;;
+    esac
+    ;;
+  esac
+  $ECHO "$win32_libid_type"
+}
+
+
+
+# func_extract_an_archive dir oldlib
+func_extract_an_archive ()
+{
+    $opt_debug
+    f_ex_an_ar_dir="$1"; shift
+    f_ex_an_ar_oldlib="$1"
+    func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" 'exit $?'
+    if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then
+     :
+    else
+      func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib"
+    fi
+}
+
+
+# func_extract_archives gentop oldlib ...
+func_extract_archives ()
+{
+    $opt_debug
+    my_gentop="$1"; shift
+    my_oldlibs=${1+"$@"}
+    my_oldobjs=""
+    my_xlib=""
+    my_xabs=""
+    my_xdir=""
+
+    for my_xlib in $my_oldlibs; do
+      # Extract the objects.
+      case $my_xlib in
+	[\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;;
+	*) my_xabs=`pwd`"/$my_xlib" ;;
+      esac
+      func_basename "$my_xlib"
+      my_xlib="$func_basename_result"
+      my_xlib_u=$my_xlib
+      while :; do
+        case " $extracted_archives " in
+	*" $my_xlib_u "*)
+	  func_arith $extracted_serial + 1
+	  extracted_serial=$func_arith_result
+	  my_xlib_u=lt$extracted_serial-$my_xlib ;;
+	*) break ;;
+	esac
+      done
+      extracted_archives="$extracted_archives $my_xlib_u"
+      my_xdir="$my_gentop/$my_xlib_u"
+
+      func_mkdir_p "$my_xdir"
+
+      case $host in
+      *-darwin*)
+	func_verbose "Extracting $my_xabs"
+	# Do not bother doing anything if just a dry run
+	$opt_dry_run || {
+	  darwin_orig_dir=`pwd`
+	  cd $my_xdir || exit $?
+	  darwin_archive=$my_xabs
+	  darwin_curdir=`pwd`
+	  darwin_base_archive=`basename "$darwin_archive"`
+	  darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true`
+	  if test -n "$darwin_arches"; then
+	    darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'`
+	    darwin_arch=
+	    func_verbose "$darwin_base_archive has multiple architectures $darwin_arches"
+	    for darwin_arch in  $darwin_arches ; do
+	      func_mkdir_p "unfat-$$/${darwin_base_archive}-${darwin_arch}"
+	      $LIPO -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}"
+	      cd "unfat-$$/${darwin_base_archive}-${darwin_arch}"
+	      func_extract_an_archive "`pwd`" "${darwin_base_archive}"
+	      cd "$darwin_curdir"
+	      $RM "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}"
+	    done # $darwin_arches
+            ## Okay now we've a bunch of thin objects, gotta fatten them up :)
+	    darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$basename" | sort -u`
+	    darwin_file=
+	    darwin_files=
+	    for darwin_file in $darwin_filelist; do
+	      darwin_files=`find unfat-$$ -name $darwin_file -print | $NL2SP`
+	      $LIPO -create -output "$darwin_file" $darwin_files
+	    done # $darwin_filelist
+	    $RM -rf unfat-$$
+	    cd "$darwin_orig_dir"
+	  else
+	    cd $darwin_orig_dir
+	    func_extract_an_archive "$my_xdir" "$my_xabs"
+	  fi # $darwin_arches
+	} # !$opt_dry_run
+	;;
+      *)
+        func_extract_an_archive "$my_xdir" "$my_xabs"
+	;;
+      esac
+      my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | $NL2SP`
+    done
+
+    func_extract_archives_result="$my_oldobjs"
+}
+
+
+
+# func_emit_wrapper arg
+#
+# emit a libtool wrapper script on stdout
+# don't directly open a file because we may want to
+# incorporate the script contents within a cygwin/mingw
+# wrapper executable.  Must ONLY be called from within
+# func_mode_link because it depends on a number of variable
+# set therein.
+#
+# arg is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR
+# variable will take.  If 'yes', then the emitted script
+# will assume that the directory in which it is stored is
+# the '.lib' directory.  This is a cygwin/mingw-specific
+# behavior.
+func_emit_wrapper ()
+{
+	func_emit_wrapper_arg1=no
+	if test -n "$1" ; then
+	  func_emit_wrapper_arg1=$1
+	fi
+
+	$ECHO "\
+#! $SHELL
+
+# $output - temporary wrapper script for $objdir/$outputname
+# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
+#
+# The $output program cannot be directly executed until all the libtool
+# libraries that it depends on are installed.
+#
+# This wrapper script should never be moved out of the build directory.
+# If it is, it will not operate correctly.
+
+# Sed substitution that helps us do robust quoting.  It backslashifies
+# metacharacters that are still active within double-quoted strings.
+Xsed='${SED} -e 1s/^X//'
+sed_quote_subst='$sed_quote_subst'
+
+# Be Bourne compatible
+if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then
+  emulate sh
+  NULLCMD=:
+  # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '\${1+\"\$@\"}'='\"\$@\"'
+  setopt NO_GLOB_SUBST
+else
+  case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac
+fi
+BIN_SH=xpg4; export BIN_SH # for Tru64
+DUALCASE=1; export DUALCASE # for MKS sh
+
+# The HP-UX ksh and POSIX shell print the target directory to stdout
+# if CDPATH is set.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+relink_command=\"$relink_command\"
+
+# This environment variable determines our operation mode.
+if test \"\$libtool_install_magic\" = \"$magic\"; then
+  # install mode needs the following variables:
+  generated_by_libtool_version='$macro_version'
+  notinst_deplibs='$notinst_deplibs'
+else
+  # When we are sourced in execute mode, \$file and \$ECHO are already set.
+  if test \"\$libtool_execute_magic\" != \"$magic\"; then
+    ECHO=\"$qecho\"
+    file=\"\$0\"
+    # Make sure echo works.
+    if test \"X\$1\" = X--no-reexec; then
+      # Discard the --no-reexec flag, and continue.
+      shift
+    elif test \"X\`{ \$ECHO '\t'; } 2>/dev/null\`\" = 'X\t'; then
+      # Yippee, \$ECHO works!
+      :
+    else
+      # Restart under the correct shell, and then maybe \$ECHO will work.
+      exec $SHELL \"\$0\" --no-reexec \${1+\"\$@\"}
+    fi
+  fi\
+"
+	$ECHO "\
+
+  # Find the directory that this script lives in.
+  thisdir=\`\$ECHO \"X\$file\" | \$Xsed -e 's%/[^/]*$%%'\`
+  test \"x\$thisdir\" = \"x\$file\" && thisdir=.
+
+  # Follow symbolic links until we get to the real thisdir.
+  file=\`ls -ld \"\$file\" | ${SED} -n 's/.*-> //p'\`
+  while test -n \"\$file\"; do
+    destdir=\`\$ECHO \"X\$file\" | \$Xsed -e 's%/[^/]*\$%%'\`
+
+    # If there was a directory component, then change thisdir.
+    if test \"x\$destdir\" != \"x\$file\"; then
+      case \"\$destdir\" in
+      [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;;
+      *) thisdir=\"\$thisdir/\$destdir\" ;;
+      esac
+    fi
+
+    file=\`\$ECHO \"X\$file\" | \$Xsed -e 's%^.*/%%'\`
+    file=\`ls -ld \"\$thisdir/\$file\" | ${SED} -n 's/.*-> //p'\`
+  done
+
+  # Usually 'no', except on cygwin/mingw when embedded into
+  # the cwrapper.
+  WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_arg1
+  if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then
+    # special case for '.'
+    if test \"\$thisdir\" = \".\"; then
+      thisdir=\`pwd\`
+    fi
+    # remove .libs from thisdir
+    case \"\$thisdir\" in
+    *[\\\\/]$objdir ) thisdir=\`\$ECHO \"X\$thisdir\" | \$Xsed -e 's%[\\\\/][^\\\\/]*$%%'\` ;;
+    $objdir )   thisdir=. ;;
+    esac
+  fi
+
+  # Try to get the absolute directory name.
+  absdir=\`cd \"\$thisdir\" && pwd\`
+  test -n \"\$absdir\" && thisdir=\"\$absdir\"
+"
+
+	if test "$fast_install" = yes; then
+	  $ECHO "\
+  program=lt-'$outputname'$exeext
+  progdir=\"\$thisdir/$objdir\"
+
+  if test ! -f \"\$progdir/\$program\" ||
+     { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | ${SED} 1q\`; \\
+       test \"X\$file\" != \"X\$progdir/\$program\"; }; then
+
+    file=\"\$\$-\$program\"
+
+    if test ! -d \"\$progdir\"; then
+      $MKDIR \"\$progdir\"
+    else
+      $RM \"\$progdir/\$file\"
+    fi"
+
+	  $ECHO "\
+
+    # relink executable if necessary
+    if test -n \"\$relink_command\"; then
+      if relink_command_output=\`eval \$relink_command 2>&1\`; then :
+      else
+	$ECHO \"\$relink_command_output\" >&2
+	$RM \"\$progdir/\$file\"
+	exit 1
+      fi
+    fi
+
+    $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null ||
+    { $RM \"\$progdir/\$program\";
+      $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; }
+    $RM \"\$progdir/\$file\"
+  fi"
+	else
+	  $ECHO "\
+  program='$outputname'
+  progdir=\"\$thisdir/$objdir\"
+"
+	fi
+
+	$ECHO "\
+
+  if test -f \"\$progdir/\$program\"; then"
+
+	# Export our shlibpath_var if we have one.
+	if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then
+	  $ECHO "\
+    # Add our own library path to $shlibpath_var
+    $shlibpath_var=\"$temp_rpath\$$shlibpath_var\"
+
+    # Some systems cannot cope with colon-terminated $shlibpath_var
+    # The second colon is a workaround for a bug in BeOS R4 sed
+    $shlibpath_var=\`\$ECHO \"X\$$shlibpath_var\" | \$Xsed -e 's/::*\$//'\`
+
+    export $shlibpath_var
+"
+	fi
+
+	# fixup the dll searchpath if we need to.
+	if test -n "$dllsearchpath"; then
+	  $ECHO "\
+    # Add the dll search path components to the executable PATH
+    PATH=$dllsearchpath:\$PATH
+"
+	fi
+
+	$ECHO "\
+    if test \"\$libtool_execute_magic\" != \"$magic\"; then
+      # Run the actual program with our arguments.
+"
+	case $host in
+	# Backslashes separate directories on plain windows
+	*-*-mingw | *-*-os2*)
+	  $ECHO "\
+      exec \"\$progdir\\\\\$program\" \${1+\"\$@\"}
+"
+	  ;;
+
+	*)
+	  $ECHO "\
+      exec \"\$progdir/\$program\" \${1+\"\$@\"}
+"
+	  ;;
+	esac
+	$ECHO "\
+      \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2
+      exit 1
+    fi
+  else
+    # The program doesn't exist.
+    \$ECHO \"\$0: error: \\\`\$progdir/\$program' does not exist\" 1>&2
+    \$ECHO \"This script is just a wrapper for \$program.\" 1>&2
+    $ECHO \"See the $PACKAGE documentation for more information.\" 1>&2
+    exit 1
+  fi
+fi\
+"
+}
+# end: func_emit_wrapper
+
+# func_emit_cwrapperexe_src
+# emit the source code for a wrapper executable on stdout
+# Must ONLY be called from within func_mode_link because
+# it depends on a number of variable set therein.
+func_emit_cwrapperexe_src ()
+{
+	cat <<EOF
+
+/* $cwrappersource - temporary wrapper executable for $objdir/$outputname
+   Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
+
+   The $output program cannot be directly executed until all the libtool
+   libraries that it depends on are installed.
+
+   This wrapper executable should never be moved out of the build directory.
+   If it is, it will not operate correctly.
+
+   Currently, it simply execs the wrapper *script* "$SHELL $output",
+   but could eventually absorb all of the scripts functionality and
+   exec $objdir/$outputname directly.
+*/
+EOF
+	    cat <<"EOF"
+#include <stdio.h>
+#include <stdlib.h>
+#ifdef _MSC_VER
+# include <direct.h>
+# include <process.h>
+# include <io.h>
+# define setmode _setmode
+#else
+# include <unistd.h>
+# include <stdint.h>
+# ifdef __CYGWIN__
+#  include <io.h>
+# endif
+#endif
+#include <malloc.h>
+#include <stdarg.h>
+#include <assert.h>
+#include <string.h>
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+
+#if defined(PATH_MAX)
+# define LT_PATHMAX PATH_MAX
+#elif defined(MAXPATHLEN)
+# define LT_PATHMAX MAXPATHLEN
+#else
+# define LT_PATHMAX 1024
+#endif
+
+#ifndef S_IXOTH
+# define S_IXOTH 0
+#endif
+#ifndef S_IXGRP
+# define S_IXGRP 0
+#endif
+
+#ifdef _MSC_VER
+# define S_IXUSR _S_IEXEC
+# define stat _stat
+# ifndef _INTPTR_T_DEFINED
+#  define intptr_t int
+# endif
+#endif
+
+#ifndef DIR_SEPARATOR
+# define DIR_SEPARATOR '/'
+# define PATH_SEPARATOR ':'
+#endif
+
+#if defined (_WIN32) || defined (__MSDOS__) || defined (__DJGPP__) || \
+  defined (__OS2__)
+# define HAVE_DOS_BASED_FILE_SYSTEM
+# define FOPEN_WB "wb"
+# ifndef DIR_SEPARATOR_2
+#  define DIR_SEPARATOR_2 '\\'
+# endif
+# ifndef PATH_SEPARATOR_2
+#  define PATH_SEPARATOR_2 ';'
+# endif
+#endif
+
+#ifndef DIR_SEPARATOR_2
+# define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR)
+#else /* DIR_SEPARATOR_2 */
+# define IS_DIR_SEPARATOR(ch) \
+	(((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2))
+#endif /* DIR_SEPARATOR_2 */
+
+#ifndef PATH_SEPARATOR_2
+# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR)
+#else /* PATH_SEPARATOR_2 */
+# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2)
+#endif /* PATH_SEPARATOR_2 */
+
+#ifdef __CYGWIN__
+# define FOPEN_WB "wb"
+#endif
+
+#ifndef FOPEN_WB
+# define FOPEN_WB "w"
+#endif
+#ifndef _O_BINARY
+# define _O_BINARY 0
+#endif
+
+#define XMALLOC(type, num)      ((type *) xmalloc ((num) * sizeof(type)))
+#define XFREE(stale) do { \
+  if (stale) { free ((void *) stale); stale = 0; } \
+} while (0)
+
+#undef LTWRAPPER_DEBUGPRINTF
+#if defined DEBUGWRAPPER
+# define LTWRAPPER_DEBUGPRINTF(args) ltwrapper_debugprintf args
+static void
+ltwrapper_debugprintf (const char *fmt, ...)
+{
+    va_list args;
+    va_start (args, fmt);
+    (void) vfprintf (stderr, fmt, args);
+    va_end (args);
+}
+#else
+# define LTWRAPPER_DEBUGPRINTF(args)
+#endif
+
+const char *program_name = NULL;
+
+void *xmalloc (size_t num);
+char *xstrdup (const char *string);
+const char *base_name (const char *name);
+char *find_executable (const char *wrapper);
+char *chase_symlinks (const char *pathspec);
+int make_executable (const char *path);
+int check_executable (const char *path);
+char *strendzap (char *str, const char *pat);
+void lt_fatal (const char *message, ...);
+
+static const char *script_text =
+EOF
+
+	    func_emit_wrapper yes |
+	        $SED -e 's/\([\\"]\)/\\\1/g' \
+	             -e 's/^/  "/' -e 's/$/\\n"/'
+	    echo ";"
+
+	    cat <<EOF
+const char * MAGIC_EXE = "$magic_exe";
+
+int
+main (int argc, char *argv[])
+{
+  char **newargz;
+  char *tmp_pathspec;
+  char *actual_cwrapper_path;
+  char *shwrapper_name;
+  intptr_t rval = 127;
+  FILE *shwrapper;
+
+  const char *dumpscript_opt = "--lt-dump-script";
+  int i;
+
+  program_name = (char *) xstrdup (base_name (argv[0]));
+  LTWRAPPER_DEBUGPRINTF (("(main) argv[0]      : %s\n", argv[0]));
+  LTWRAPPER_DEBUGPRINTF (("(main) program_name : %s\n", program_name));
+
+  /* very simple arg parsing; don't want to rely on getopt */
+  for (i = 1; i < argc; i++)
+    {
+      if (strcmp (argv[i], dumpscript_opt) == 0)
+	{
+EOF
+	    case "$host" in
+	      *mingw* | *cygwin* )
+		# make stdout use "unix" line endings
+		echo "          setmode(1,_O_BINARY);"
+		;;
+	      esac
+
+	    cat <<EOF
+	  printf ("%s", script_text);
+	  return 0;
+	}
+    }
+
+  newargz = XMALLOC (char *, argc + 2);
+EOF
+
+	    if test -n "$TARGETSHELL" ; then
+	      # no path translation at all
+	      lt_newargv0=$TARGETSHELL
+	    else
+	      case "$host" in
+		*mingw* )
+		  # awkward: cmd appends spaces to result
+		  lt_sed_strip_trailing_spaces="s/[ ]*\$//"
+		  lt_newargv0=`( cmd //c echo $SHELL | $SED -e "$lt_sed_strip_trailing_spaces" ) 2>/dev/null || echo $SHELL`
+		  case $lt_newargv0 in
+		    *.exe | *.EXE) ;;
+		    *) lt_newargv0=$lt_newargv0.exe ;;
+		  esac
+		  ;;
+		* ) lt_newargv0=$SHELL ;;
+	      esac
+	    fi
+
+		cat <<EOF
+  newargz[0] = (char *) xstrdup ("$lt_newargv0");
+EOF
+
+	    cat <<"EOF"
+  tmp_pathspec = find_executable (argv[0]);
+  if (tmp_pathspec == NULL)
+    lt_fatal ("Couldn't find %s", argv[0]);
+  LTWRAPPER_DEBUGPRINTF (("(main) found exe (before symlink chase) at : %s\n",
+			  tmp_pathspec));
+
+  actual_cwrapper_path = chase_symlinks (tmp_pathspec);
+  LTWRAPPER_DEBUGPRINTF (("(main) found exe (after symlink chase) at : %s\n",
+			  actual_cwrapper_path));
+  XFREE (tmp_pathspec);
+
+  shwrapper_name = (char *) xstrdup (base_name (actual_cwrapper_path));
+  strendzap (actual_cwrapper_path, shwrapper_name);
+
+  /* shwrapper_name transforms */
+  strendzap (shwrapper_name, ".exe");
+  tmp_pathspec = XMALLOC (char, (strlen (shwrapper_name) +
+				 strlen ("_ltshwrapperTMP") + 1));
+  strcpy (tmp_pathspec, shwrapper_name);
+  strcat (tmp_pathspec, "_ltshwrapperTMP");
+  XFREE (shwrapper_name);
+  shwrapper_name = tmp_pathspec;
+  tmp_pathspec = 0;
+  LTWRAPPER_DEBUGPRINTF (("(main) libtool shell wrapper name: %s\n",
+			  shwrapper_name));
+EOF
+
+	    cat <<EOF
+  newargz[1] =
+    XMALLOC (char, (strlen (actual_cwrapper_path) +
+		    strlen ("$objdir") + 1 + strlen (shwrapper_name) + 1));
+  strcpy (newargz[1], actual_cwrapper_path);
+  strcat (newargz[1], "$objdir");
+  strcat (newargz[1], "/");
+  strcat (newargz[1], shwrapper_name);
+EOF
+
+
+	    case $host_os in
+	      mingw*)
+	    cat <<"EOF"
+  {
+    char* p;
+    while ((p = strchr (newargz[1], '\\')) != NULL)
+      {
+	*p = '/';
+      }
+  }
+EOF
+	    ;;
+	    esac
+
+	    cat <<"EOF"
+  XFREE (shwrapper_name);
+  XFREE (actual_cwrapper_path);
+
+  /* always write in binary mode */
+  if ((shwrapper = fopen (newargz[1], FOPEN_WB)) == 0)
+    {
+      lt_fatal ("Could not open %s for writing", newargz[1]);
+    }
+  fprintf (shwrapper, "%s", script_text);
+  fclose (shwrapper);
+
+  make_executable (newargz[1]);
+
+  for (i = 1; i < argc; i++)
+    newargz[i + 1] = xstrdup (argv[i]);
+  newargz[argc + 1] = NULL;
+
+  for (i = 0; i < argc + 1; i++)
+    {
+      LTWRAPPER_DEBUGPRINTF (("(main) newargz[%d]   : %s\n", i, newargz[i]));
+    }
+
+EOF
+
+	    case $host_os in
+	      mingw*)
+		cat <<EOF
+  /* execv doesn't actually work on mingw as expected on unix */
+  rval = _spawnv (_P_WAIT, "$lt_newargv0", (const char * const *) newargz);
+  if (rval == -1)
+    {
+      /* failed to start process */
+      LTWRAPPER_DEBUGPRINTF (("(main) failed to launch target \"$lt_newargv0\": errno = %d\n", errno));
+      return 127;
+    }
+  return rval;
+}
+EOF
+		;;
+	      *)
+		cat <<EOF
+  execv ("$lt_newargv0", newargz);
+  return rval; /* =127, but avoids unused variable warning */
+}
+EOF
+		;;
+	    esac
+
+	    cat <<"EOF"
+
+void *
+xmalloc (size_t num)
+{
+  void *p = (void *) malloc (num);
+  if (!p)
+    lt_fatal ("Memory exhausted");
+
+  return p;
+}
+
+char *
+xstrdup (const char *string)
+{
+  return string ? strcpy ((char *) xmalloc (strlen (string) + 1),
+			  string) : NULL;
+}
+
+const char *
+base_name (const char *name)
+{
+  const char *base;
+
+#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
+  /* Skip over the disk name in MSDOS pathnames. */
+  if (isalpha ((unsigned char) name[0]) && name[1] == ':')
+    name += 2;
+#endif
+
+  for (base = name; *name; name++)
+    if (IS_DIR_SEPARATOR (*name))
+      base = name + 1;
+  return base;
+}
+
+int
+check_executable (const char *path)
+{
+  struct stat st;
+
+  LTWRAPPER_DEBUGPRINTF (("(check_executable)  : %s\n",
+			  path ? (*path ? path : "EMPTY!") : "NULL!"));
+  if ((!path) || (!*path))
+    return 0;
+
+  if ((stat (path, &st) >= 0)
+      && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH)))
+    return 1;
+  else
+    return 0;
+}
+
+int
+make_executable (const char *path)
+{
+  int rval = 0;
+  struct stat st;
+
+  LTWRAPPER_DEBUGPRINTF (("(make_executable)   : %s\n",
+			  path ? (*path ? path : "EMPTY!") : "NULL!"));
+  if ((!path) || (!*path))
+    return 0;
+
+  if (stat (path, &st) >= 0)
+    {
+      rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR);
+    }
+  return rval;
+}
+
+/* Searches for the full path of the wrapper.  Returns
+   newly allocated full path name if found, NULL otherwise
+   Does not chase symlinks, even on platforms that support them.
+*/
+char *
+find_executable (const char *wrapper)
+{
+  int has_slash = 0;
+  const char *p;
+  const char *p_next;
+  /* static buffer for getcwd */
+  char tmp[LT_PATHMAX + 1];
+  int tmp_len;
+  char *concat_name;
+
+  LTWRAPPER_DEBUGPRINTF (("(find_executable)   : %s\n",
+			  wrapper ? (*wrapper ? wrapper : "EMPTY!") : "NULL!"));
+
+  if ((wrapper == NULL) || (*wrapper == '\0'))
+    return NULL;
+
+  /* Absolute path? */
+#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
+  if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':')
+    {
+      concat_name = xstrdup (wrapper);
+      if (check_executable (concat_name))
+	return concat_name;
+      XFREE (concat_name);
+    }
+  else
+    {
+#endif
+      if (IS_DIR_SEPARATOR (wrapper[0]))
+	{
+	  concat_name = xstrdup (wrapper);
+	  if (check_executable (concat_name))
+	    return concat_name;
+	  XFREE (concat_name);
+	}
+#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
+    }
+#endif
+
+  for (p = wrapper; *p; p++)
+    if (*p == '/')
+      {
+	has_slash = 1;
+	break;
+      }
+  if (!has_slash)
+    {
+      /* no slashes; search PATH */
+      const char *path = getenv ("PATH");
+      if (path != NULL)
+	{
+	  for (p = path; *p; p = p_next)
+	    {
+	      const char *q;
+	      size_t p_len;
+	      for (q = p; *q; q++)
+		if (IS_PATH_SEPARATOR (*q))
+		  break;
+	      p_len = q - p;
+	      p_next = (*q == '\0' ? q : q + 1);
+	      if (p_len == 0)
+		{
+		  /* empty path: current directory */
+		  if (getcwd (tmp, LT_PATHMAX) == NULL)
+		    lt_fatal ("getcwd failed");
+		  tmp_len = strlen (tmp);
+		  concat_name =
+		    XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1);
+		  memcpy (concat_name, tmp, tmp_len);
+		  concat_name[tmp_len] = '/';
+		  strcpy (concat_name + tmp_len + 1, wrapper);
+		}
+	      else
+		{
+		  concat_name =
+		    XMALLOC (char, p_len + 1 + strlen (wrapper) + 1);
+		  memcpy (concat_name, p, p_len);
+		  concat_name[p_len] = '/';
+		  strcpy (concat_name + p_len + 1, wrapper);
+		}
+	      if (check_executable (concat_name))
+		return concat_name;
+	      XFREE (concat_name);
+	    }
+	}
+      /* not found in PATH; assume curdir */
+    }
+  /* Relative path | not found in path: prepend cwd */
+  if (getcwd (tmp, LT_PATHMAX) == NULL)
+    lt_fatal ("getcwd failed");
+  tmp_len = strlen (tmp);
+  concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1);
+  memcpy (concat_name, tmp, tmp_len);
+  concat_name[tmp_len] = '/';
+  strcpy (concat_name + tmp_len + 1, wrapper);
+
+  if (check_executable (concat_name))
+    return concat_name;
+  XFREE (concat_name);
+  return NULL;
+}
+
+char *
+chase_symlinks (const char *pathspec)
+{
+#ifndef S_ISLNK
+  return xstrdup (pathspec);
+#else
+  char buf[LT_PATHMAX];
+  struct stat s;
+  char *tmp_pathspec = xstrdup (pathspec);
+  char *p;
+  int has_symlinks = 0;
+  while (strlen (tmp_pathspec) && !has_symlinks)
+    {
+      LTWRAPPER_DEBUGPRINTF (("checking path component for symlinks: %s\n",
+			      tmp_pathspec));
+      if (lstat (tmp_pathspec, &s) == 0)
+	{
+	  if (S_ISLNK (s.st_mode) != 0)
+	    {
+	      has_symlinks = 1;
+	      break;
+	    }
+
+	  /* search backwards for last DIR_SEPARATOR */
+	  p = tmp_pathspec + strlen (tmp_pathspec) - 1;
+	  while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p)))
+	    p--;
+	  if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p)))
+	    {
+	      /* no more DIR_SEPARATORS left */
+	      break;
+	    }
+	  *p = '\0';
+	}
+      else
+	{
+	  char *errstr = strerror (errno);
+	  lt_fatal ("Error accessing file %s (%s)", tmp_pathspec, errstr);
+	}
+    }
+  XFREE (tmp_pathspec);
+
+  if (!has_symlinks)
+    {
+      return xstrdup (pathspec);
+    }
+
+  tmp_pathspec = realpath (pathspec, buf);
+  if (tmp_pathspec == 0)
+    {
+      lt_fatal ("Could not follow symlinks for %s", pathspec);
+    }
+  return xstrdup (tmp_pathspec);
+#endif
+}
+
+char *
+strendzap (char *str, const char *pat)
+{
+  size_t len, patlen;
+
+  assert (str != NULL);
+  assert (pat != NULL);
+
+  len = strlen (str);
+  patlen = strlen (pat);
+
+  if (patlen <= len)
+    {
+      str += len - patlen;
+      if (strcmp (str, pat) == 0)
+	*str = '\0';
+    }
+  return str;
+}
+
+static void
+lt_error_core (int exit_status, const char *mode,
+	       const char *message, va_list ap)
+{
+  fprintf (stderr, "%s: %s: ", program_name, mode);
+  vfprintf (stderr, message, ap);
+  fprintf (stderr, ".\n");
+
+  if (exit_status >= 0)
+    exit (exit_status);
+}
+
+void
+lt_fatal (const char *message, ...)
+{
+  va_list ap;
+  va_start (ap, message);
+  lt_error_core (EXIT_FAILURE, "FATAL", message, ap);
+  va_end (ap);
+}
+EOF
+}
+# end: func_emit_cwrapperexe_src
+
+# func_mode_link arg...
+func_mode_link ()
+{
+    $opt_debug
+    case $host in
+    *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2*)
+      # It is impossible to link a dll without this setting, and
+      # we shouldn't force the makefile maintainer to figure out
+      # which system we are compiling for in order to pass an extra
+      # flag for every libtool invocation.
+      # allow_undefined=no
+
+      # FIXME: Unfortunately, there are problems with the above when trying
+      # to make a dll which has undefined symbols, in which case not
+      # even a static library is built.  For now, we need to specify
+      # -no-undefined on the libtool link line when we can be certain
+      # that all symbols are satisfied, otherwise we get a static library.
+      allow_undefined=yes
+      ;;
+    *)
+      allow_undefined=yes
+      ;;
+    esac
+    libtool_args=$nonopt
+    base_compile="$nonopt $@"
+    compile_command=$nonopt
+    finalize_command=$nonopt
+
+    compile_rpath=
+    finalize_rpath=
+    compile_shlibpath=
+    finalize_shlibpath=
+    convenience=
+    old_convenience=
+    deplibs=
+    old_deplibs=
+    compiler_flags=
+    linker_flags=
+    dllsearchpath=
+    lib_search_path=`pwd`
+    inst_prefix_dir=
+    new_inherited_linker_flags=
+
+    avoid_version=no
+    dlfiles=
+    dlprefiles=
+    dlself=no
+    export_dynamic=no
+    export_symbols=
+    export_symbols_regex=
+    generated=
+    libobjs=
+    ltlibs=
+    module=no
+    no_install=no
+    objs=
+    non_pic_objects=
+    precious_files_regex=
+    prefer_static_libs=no
+    preload=no
+    prev=
+    prevarg=
+    release=
+    rpath=
+    xrpath=
+    perm_rpath=
+    temp_rpath=
+    thread_safe=no
+    vinfo=
+    vinfo_number=no
+    weak_libs=
+    single_module="${wl}-single_module"
+    func_infer_tag $base_compile
+
+    # We need to know -static, to get the right output filenames.
+    for arg
+    do
+      case $arg in
+      -shared)
+	test "$build_libtool_libs" != yes && \
+	  func_fatal_configuration "can not build a shared library"
+	build_old_libs=no
+	break
+	;;
+      -all-static | -static | -static-libtool-libs)
+	case $arg in
+	-all-static)
+	  if test "$build_libtool_libs" = yes && test -z "$link_static_flag"; then
+	    func_warning "complete static linking is impossible in this configuration"
+	  fi
+	  if test -n "$link_static_flag"; then
+	    dlopen_self=$dlopen_self_static
+	  fi
+	  prefer_static_libs=yes
+	  ;;
+	-static)
+	  if test -z "$pic_flag" && test -n "$link_static_flag"; then
+	    dlopen_self=$dlopen_self_static
+	  fi
+	  prefer_static_libs=built
+	  ;;
+	-static-libtool-libs)
+	  if test -z "$pic_flag" && test -n "$link_static_flag"; then
+	    dlopen_self=$dlopen_self_static
+	  fi
+	  prefer_static_libs=yes
+	  ;;
+	esac
+	build_libtool_libs=no
+	build_old_libs=yes
+	break
+	;;
+      esac
+    done
+
+    # See if our shared archives depend on static archives.
+    test -n "$old_archive_from_new_cmds" && build_old_libs=yes
+
+    # Go through the arguments, transforming them on the way.
+    while test "$#" -gt 0; do
+      arg="$1"
+      shift
+      func_quote_for_eval "$arg"
+      qarg=$func_quote_for_eval_unquoted_result
+      func_append libtool_args " $func_quote_for_eval_result"
+
+      # If the previous option needs an argument, assign it.
+      if test -n "$prev"; then
+	case $prev in
+	output)
+	  func_append compile_command " @OUTPUT@"
+	  func_append finalize_command " @OUTPUT@"
+	  ;;
+	esac
+
+	case $prev in
+	dlfiles|dlprefiles)
+	  if test "$preload" = no; then
+	    # Add the symbol object into the linking commands.
+	    func_append compile_command " @SYMFILE@"
+	    func_append finalize_command " @SYMFILE@"
+	    preload=yes
+	  fi
+	  case $arg in
+	  *.la | *.lo) ;;  # We handle these cases below.
+	  force)
+	    if test "$dlself" = no; then
+	      dlself=needless
+	      export_dynamic=yes
+	    fi
+	    prev=
+	    continue
+	    ;;
+	  self)
+	    if test "$prev" = dlprefiles; then
+	      dlself=yes
+	    elif test "$prev" = dlfiles && test "$dlopen_self" != yes; then
+	      dlself=yes
+	    else
+	      dlself=needless
+	      export_dynamic=yes
+	    fi
+	    prev=
+	    continue
+	    ;;
+	  *)
+	    if test "$prev" = dlfiles; then
+	      dlfiles="$dlfiles $arg"
+	    else
+	      dlprefiles="$dlprefiles $arg"
+	    fi
+	    prev=
+	    continue
+	    ;;
+	  esac
+	  ;;
+	expsyms)
+	  export_symbols="$arg"
+	  test -f "$arg" \
+	    || func_fatal_error "symbol file \`$arg' does not exist"
+	  prev=
+	  continue
+	  ;;
+	expsyms_regex)
+	  export_symbols_regex="$arg"
+	  prev=
+	  continue
+	  ;;
+	framework)
+	  case $host in
+	    *-*-darwin*)
+	      case "$deplibs " in
+		*" $qarg.ltframework "*) ;;
+		*) deplibs="$deplibs $qarg.ltframework" # this is fixed later
+		   ;;
+	      esac
+	      ;;
+	  esac
+	  prev=
+	  continue
+	  ;;
+	inst_prefix)
+	  inst_prefix_dir="$arg"
+	  prev=
+	  continue
+	  ;;
+	objectlist)
+	  if test -f "$arg"; then
+	    save_arg=$arg
+	    moreargs=
+	    for fil in `cat "$save_arg"`
+	    do
+#	      moreargs="$moreargs $fil"
+	      arg=$fil
+	      # A libtool-controlled object.
+
+	      # Check to see that this really is a libtool object.
+	      if func_lalib_unsafe_p "$arg"; then
+		pic_object=
+		non_pic_object=
+
+		# Read the .lo file
+		func_source "$arg"
+
+		if test -z "$pic_object" ||
+		   test -z "$non_pic_object" ||
+		   test "$pic_object" = none &&
+		   test "$non_pic_object" = none; then
+		  func_fatal_error "cannot find name of object for \`$arg'"
+		fi
+
+		# Extract subdirectory from the argument.
+		func_dirname "$arg" "/" ""
+		xdir="$func_dirname_result"
+
+		if test "$pic_object" != none; then
+		  # Prepend the subdirectory the object is found in.
+		  pic_object="$xdir$pic_object"
+
+		  if test "$prev" = dlfiles; then
+		    if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then
+		      dlfiles="$dlfiles $pic_object"
+		      prev=
+		      continue
+		    else
+		      # If libtool objects are unsupported, then we need to preload.
+		      prev=dlprefiles
+		    fi
+		  fi
+
+		  # CHECK ME:  I think I busted this.  -Ossama
+		  if test "$prev" = dlprefiles; then
+		    # Preload the old-style object.
+		    dlprefiles="$dlprefiles $pic_object"
+		    prev=
+		  fi
+
+		  # A PIC object.
+		  func_append libobjs " $pic_object"
+		  arg="$pic_object"
+		fi
+
+		# Non-PIC object.
+		if test "$non_pic_object" != none; then
+		  # Prepend the subdirectory the object is found in.
+		  non_pic_object="$xdir$non_pic_object"
+
+		  # A standard non-PIC object
+		  func_append non_pic_objects " $non_pic_object"
+		  if test -z "$pic_object" || test "$pic_object" = none ; then
+		    arg="$non_pic_object"
+		  fi
+		else
+		  # If the PIC object exists, use it instead.
+		  # $xdir was prepended to $pic_object above.
+		  non_pic_object="$pic_object"
+		  func_append non_pic_objects " $non_pic_object"
+		fi
+	      else
+		# Only an error if not doing a dry-run.
+		if $opt_dry_run; then
+		  # Extract subdirectory from the argument.
+		  func_dirname "$arg" "/" ""
+		  xdir="$func_dirname_result"
+
+		  func_lo2o "$arg"
+		  pic_object=$xdir$objdir/$func_lo2o_result
+		  non_pic_object=$xdir$func_lo2o_result
+		  func_append libobjs " $pic_object"
+		  func_append non_pic_objects " $non_pic_object"
+	        else
+		  func_fatal_error "\`$arg' is not a valid libtool object"
+		fi
+	      fi
+	    done
+	  else
+	    func_fatal_error "link input file \`$arg' does not exist"
+	  fi
+	  arg=$save_arg
+	  prev=
+	  continue
+	  ;;
+	precious_regex)
+	  precious_files_regex="$arg"
+	  prev=
+	  continue
+	  ;;
+	release)
+	  release="-$arg"
+	  prev=
+	  continue
+	  ;;
+	rpath | xrpath)
+	  # We need an absolute path.
+	  case $arg in
+	  [\\/]* | [A-Za-z]:[\\/]*) ;;
+	  *)
+	    func_fatal_error "only absolute run-paths are allowed"
+	    ;;
+	  esac
+	  if test "$prev" = rpath; then
+	    case "$rpath " in
+	    *" $arg "*) ;;
+	    *) rpath="$rpath $arg" ;;
+	    esac
+	  else
+	    case "$xrpath " in
+	    *" $arg "*) ;;
+	    *) xrpath="$xrpath $arg" ;;
+	    esac
+	  fi
+	  prev=
+	  continue
+	  ;;
+	shrext)
+	  shrext_cmds="$arg"
+	  prev=
+	  continue
+	  ;;
+	weak)
+	  weak_libs="$weak_libs $arg"
+	  prev=
+	  continue
+	  ;;
+	xcclinker)
+	  linker_flags="$linker_flags $qarg"
+	  compiler_flags="$compiler_flags $qarg"
+	  prev=
+	  func_append compile_command " $qarg"
+	  func_append finalize_command " $qarg"
+	  continue
+	  ;;
+	xcompiler)
+	  compiler_flags="$compiler_flags $qarg"
+	  prev=
+	  func_append compile_command " $qarg"
+	  func_append finalize_command " $qarg"
+	  continue
+	  ;;
+	xlinker)
+	  linker_flags="$linker_flags $qarg"
+	  compiler_flags="$compiler_flags $wl$qarg"
+	  prev=
+	  func_append compile_command " $wl$qarg"
+	  func_append finalize_command " $wl$qarg"
+	  continue
+	  ;;
+	*)
+	  eval "$prev=\"\$arg\""
+	  prev=
+	  continue
+	  ;;
+	esac
+      fi # test -n "$prev"
+
+      prevarg="$arg"
+
+      case $arg in
+      -all-static)
+	if test -n "$link_static_flag"; then
+	  # See comment for -static flag below, for more details.
+	  func_append compile_command " $link_static_flag"
+	  func_append finalize_command " $link_static_flag"
+	fi
+	continue
+	;;
+
+      -allow-undefined)
+	# FIXME: remove this flag sometime in the future.
+	func_fatal_error "\`-allow-undefined' must not be used because it is the default"
+	;;
+
+      -avoid-version)
+	avoid_version=yes
+	continue
+	;;
+
+      -dlopen)
+	prev=dlfiles
+	continue
+	;;
+
+      -dlpreopen)
+	prev=dlprefiles
+	continue
+	;;
+
+      -export-dynamic)
+	export_dynamic=yes
+	continue
+	;;
+
+      -export-symbols | -export-symbols-regex)
+	if test -n "$export_symbols" || test -n "$export_symbols_regex"; then
+	  func_fatal_error "more than one -exported-symbols argument is not allowed"
+	fi
+	if test "X$arg" = "X-export-symbols"; then
+	  prev=expsyms
+	else
+	  prev=expsyms_regex
+	fi
+	continue
+	;;
+
+      -framework)
+	prev=framework
+	continue
+	;;
+
+      -inst-prefix-dir)
+	prev=inst_prefix
+	continue
+	;;
+
+      # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:*
+      # so, if we see these flags be careful not to treat them like -L
+      -L[A-Z][A-Z]*:*)
+	case $with_gcc/$host in
+	no/*-*-irix* | /*-*-irix*)
+	  func_append compile_command " $arg"
+	  func_append finalize_command " $arg"
+	  ;;
+	esac
+	continue
+	;;
+
+      -L*)
+	func_stripname '-L' '' "$arg"
+	dir=$func_stripname_result
+	# We need an absolute path.
+	case $dir in
+	[\\/]* | [A-Za-z]:[\\/]*) ;;
+	*)
+	  absdir=`cd "$dir" && pwd`
+	  test -z "$absdir" && \
+	    func_fatal_error "cannot determine absolute directory name of \`$dir'"
+	  dir="$absdir"
+	  ;;
+	esac
+	case "$deplibs " in
+	*" -L$dir "*) ;;
+	*)
+	  deplibs="$deplibs -L$dir"
+	  lib_search_path="$lib_search_path $dir"
+	  ;;
+	esac
+	case $host in
+	*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2*)
+	  testbindir=`$ECHO "X$dir" | $Xsed -e 's*/lib$*/bin*'`
+	  case :$dllsearchpath: in
+	  *":$dir:"*) ;;
+	  *) dllsearchpath="$dllsearchpath:$dir";;
+	  esac
+	  case :$dllsearchpath: in
+	  *":$testbindir:"*) ;;
+	  *) dllsearchpath="$dllsearchpath:$testbindir";;
+	  esac
+	  ;;
+	esac
+	continue
+	;;
+
+      -l*)
+	if test "X$arg" = "X-lc" || test "X$arg" = "X-lm"; then
+	  case $host in
+	  *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-beos*)
+	    # These systems don't actually have a C or math library (as such)
+	    continue
+	    ;;
+	  *-*-os2*)
+	    # These systems don't actually have a C library (as such)
+	    test "X$arg" = "X-lc" && continue
+	    ;;
+	  *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*)
+	    # Do not include libc due to us having libc/libc_r.
+	    test "X$arg" = "X-lc" && continue
+	    ;;
+	  *-*-rhapsody* | *-*-darwin1.[012])
+	    # Rhapsody C and math libraries are in the System framework
+	    deplibs="$deplibs System.ltframework"
+	    continue
+	    ;;
+	  *-*-sco3.2v5* | *-*-sco5v6*)
+	    # Causes problems with __ctype
+	    test "X$arg" = "X-lc" && continue
+	    ;;
+	  *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*)
+	    # Compiler inserts libc in the correct place for threads to work
+	    test "X$arg" = "X-lc" && continue
+	    ;;
+	  esac
+	elif test "X$arg" = "X-lc_r"; then
+	 case $host in
+	 *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*)
+	   # Do not include libc_r directly, use -pthread flag.
+	   continue
+	   ;;
+	 esac
+	fi
+	deplibs="$deplibs $arg"
+	continue
+	;;
+
+      -module)
+	module=yes
+	continue
+	;;
+
+      # Tru64 UNIX uses -model [arg] to determine the layout of C++
+      # classes, name mangling, and exception handling.
+      # Darwin uses the -arch flag to determine output architecture.
+      -model|-arch|-isysroot)
+	compiler_flags="$compiler_flags $arg"
+	func_append compile_command " $arg"
+	func_append finalize_command " $arg"
+	prev=xcompiler
+	continue
+	;;
+
+      -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe|-threads)
+	compiler_flags="$compiler_flags $arg"
+	func_append compile_command " $arg"
+	func_append finalize_command " $arg"
+	case "$new_inherited_linker_flags " in
+	    *" $arg "*) ;;
+	    * ) new_inherited_linker_flags="$new_inherited_linker_flags $arg" ;;
+	esac
+	continue
+	;;
+
+      -multi_module)
+	single_module="${wl}-multi_module"
+	continue
+	;;
+
+      -no-fast-install)
+	fast_install=no
+	continue
+	;;
+
+      -no-install)
+	case $host in
+	*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin*)
+	  # The PATH hackery in wrapper scripts is required on Windows
+	  # and Darwin in order for the loader to find any dlls it needs.
+	  func_warning "\`-no-install' is ignored for $host"
+	  func_warning "assuming \`-no-fast-install' instead"
+	  fast_install=no
+	  ;;
+	*) no_install=yes ;;
+	esac
+	continue
+	;;
+
+      -no-undefined)
+	allow_undefined=no
+	continue
+	;;
+
+      -objectlist)
+	prev=objectlist
+	continue
+	;;
+
+      -o) prev=output ;;
+
+      -precious-files-regex)
+	prev=precious_regex
+	continue
+	;;
+
+      -release)
+	prev=release
+	continue
+	;;
+
+      -rpath)
+	prev=rpath
+	continue
+	;;
+
+      -R)
+	prev=xrpath
+	continue
+	;;
+
+      -R*)
+	func_stripname '-R' '' "$arg"
+	dir=$func_stripname_result
+	# We need an absolute path.
+	case $dir in
+	[\\/]* | [A-Za-z]:[\\/]*) ;;
+	*)
+	  func_fatal_error "only absolute run-paths are allowed"
+	  ;;
+	esac
+	case "$xrpath " in
+	*" $dir "*) ;;
+	*) xrpath="$xrpath $dir" ;;
+	esac
+	continue
+	;;
+
+      -shared)
+	# The effects of -shared are defined in a previous loop.
+	continue
+	;;
+
+      -shrext)
+	prev=shrext
+	continue
+	;;
+
+      -static | -static-libtool-libs)
+	# The effects of -static are defined in a previous loop.
+	# We used to do the same as -all-static on platforms that
+	# didn't have a PIC flag, but the assumption that the effects
+	# would be equivalent was wrong.  It would break on at least
+	# Digital Unix and AIX.
+	continue
+	;;
+
+      -thread-safe)
+	thread_safe=yes
+	continue
+	;;
+
+      -version-info)
+	prev=vinfo
+	continue
+	;;
+
+      -version-number)
+	prev=vinfo
+	vinfo_number=yes
+	continue
+	;;
+
+      -weak)
+        prev=weak
+	continue
+	;;
+
+      -Wc,*)
+	func_stripname '-Wc,' '' "$arg"
+	args=$func_stripname_result
+	arg=
+	save_ifs="$IFS"; IFS=','
+	for flag in $args; do
+	  IFS="$save_ifs"
+          func_quote_for_eval "$flag"
+	  arg="$arg $wl$func_quote_for_eval_result"
+	  compiler_flags="$compiler_flags $func_quote_for_eval_result"
+	done
+	IFS="$save_ifs"
+	func_stripname ' ' '' "$arg"
+	arg=$func_stripname_result
+	;;
+
+      -Wl,*)
+	func_stripname '-Wl,' '' "$arg"
+	args=$func_stripname_result
+	arg=
+	save_ifs="$IFS"; IFS=','
+	for flag in $args; do
+	  IFS="$save_ifs"
+          func_quote_for_eval "$flag"
+	  arg="$arg $wl$func_quote_for_eval_result"
+	  compiler_flags="$compiler_flags $wl$func_quote_for_eval_result"
+	  linker_flags="$linker_flags $func_quote_for_eval_result"
+	done
+	IFS="$save_ifs"
+	func_stripname ' ' '' "$arg"
+	arg=$func_stripname_result
+	;;
+
+      -Xcompiler)
+	prev=xcompiler
+	continue
+	;;
+
+      -Xlinker)
+	prev=xlinker
+	continue
+	;;
+
+      -XCClinker)
+	prev=xcclinker
+	continue
+	;;
+
+      # -msg_* for osf cc
+      -msg_*)
+	func_quote_for_eval "$arg"
+	arg="$func_quote_for_eval_result"
+	;;
+
+      # -64, -mips[0-9] enable 64-bit mode on the SGI compiler
+      # -r[0-9][0-9]* specifies the processor on the SGI compiler
+      # -xarch=*, -xtarget=* enable 64-bit mode on the Sun compiler
+      # +DA*, +DD* enable 64-bit mode on the HP compiler
+      # -q* pass through compiler args for the IBM compiler
+      # -m*, -t[45]*, -txscale* pass through architecture-specific
+      # compiler args for GCC
+      # -F/path gives path to uninstalled frameworks, gcc on darwin
+      # -p, -pg, --coverage, -fprofile-* pass through profiling flag for GCC
+      # @file GCC response files
+      -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \
+      -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*)
+        func_quote_for_eval "$arg"
+	arg="$func_quote_for_eval_result"
+        func_append compile_command " $arg"
+        func_append finalize_command " $arg"
+        compiler_flags="$compiler_flags $arg"
+        continue
+        ;;
+
+      # Some other compiler flag.
+      -* | +*)
+        func_quote_for_eval "$arg"
+	arg="$func_quote_for_eval_result"
+	;;
+
+      *.$objext)
+	# A standard object.
+	objs="$objs $arg"
+	;;
+
+      *.lo)
+	# A libtool-controlled object.
+
+	# Check to see that this really is a libtool object.
+	if func_lalib_unsafe_p "$arg"; then
+	  pic_object=
+	  non_pic_object=
+
+	  # Read the .lo file
+	  func_source "$arg"
+
+	  if test -z "$pic_object" ||
+	     test -z "$non_pic_object" ||
+	     test "$pic_object" = none &&
+	     test "$non_pic_object" = none; then
+	    func_fatal_error "cannot find name of object for \`$arg'"
+	  fi
+
+	  # Extract subdirectory from the argument.
+	  func_dirname "$arg" "/" ""
+	  xdir="$func_dirname_result"
+
+	  if test "$pic_object" != none; then
+	    # Prepend the subdirectory the object is found in.
+	    pic_object="$xdir$pic_object"
+
+	    if test "$prev" = dlfiles; then
+	      if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then
+		dlfiles="$dlfiles $pic_object"
+		prev=
+		continue
+	      else
+		# If libtool objects are unsupported, then we need to preload.
+		prev=dlprefiles
+	      fi
+	    fi
+
+	    # CHECK ME:  I think I busted this.  -Ossama
+	    if test "$prev" = dlprefiles; then
+	      # Preload the old-style object.
+	      dlprefiles="$dlprefiles $pic_object"
+	      prev=
+	    fi
+
+	    # A PIC object.
+	    func_append libobjs " $pic_object"
+	    arg="$pic_object"
+	  fi
+
+	  # Non-PIC object.
+	  if test "$non_pic_object" != none; then
+	    # Prepend the subdirectory the object is found in.
+	    non_pic_object="$xdir$non_pic_object"
+
+	    # A standard non-PIC object
+	    func_append non_pic_objects " $non_pic_object"
+	    if test -z "$pic_object" || test "$pic_object" = none ; then
+	      arg="$non_pic_object"
+	    fi
+	  else
+	    # If the PIC object exists, use it instead.
+	    # $xdir was prepended to $pic_object above.
+	    non_pic_object="$pic_object"
+	    func_append non_pic_objects " $non_pic_object"
+	  fi
+	else
+	  # Only an error if not doing a dry-run.
+	  if $opt_dry_run; then
+	    # Extract subdirectory from the argument.
+	    func_dirname "$arg" "/" ""
+	    xdir="$func_dirname_result"
+
+	    func_lo2o "$arg"
+	    pic_object=$xdir$objdir/$func_lo2o_result
+	    non_pic_object=$xdir$func_lo2o_result
+	    func_append libobjs " $pic_object"
+	    func_append non_pic_objects " $non_pic_object"
+	  else
+	    func_fatal_error "\`$arg' is not a valid libtool object"
+	  fi
+	fi
+	;;
+
+      *.$libext)
+	# An archive.
+	deplibs="$deplibs $arg"
+	old_deplibs="$old_deplibs $arg"
+	continue
+	;;
+
+      *.la)
+	# A libtool-controlled library.
+
+	if test "$prev" = dlfiles; then
+	  # This library was specified with -dlopen.
+	  dlfiles="$dlfiles $arg"
+	  prev=
+	elif test "$prev" = dlprefiles; then
+	  # The library was specified with -dlpreopen.
+	  dlprefiles="$dlprefiles $arg"
+	  prev=
+	else
+	  deplibs="$deplibs $arg"
+	fi
+	continue
+	;;
+
+      # Some other compiler argument.
+      *)
+	# Unknown arguments in both finalize_command and compile_command need
+	# to be aesthetically quoted because they are evaled later.
+	func_quote_for_eval "$arg"
+	arg="$func_quote_for_eval_result"
+	;;
+      esac # arg
+
+      # Now actually substitute the argument into the commands.
+      if test -n "$arg"; then
+	func_append compile_command " $arg"
+	func_append finalize_command " $arg"
+      fi
+    done # argument parsing loop
+
+    test -n "$prev" && \
+      func_fatal_help "the \`$prevarg' option requires an argument"
+
+    if test "$export_dynamic" = yes && test -n "$export_dynamic_flag_spec"; then
+      eval arg=\"$export_dynamic_flag_spec\"
+      func_append compile_command " $arg"
+      func_append finalize_command " $arg"
+    fi
+
+    oldlibs=
+    # calculate the name of the file, without its directory
+    func_basename "$output"
+    outputname="$func_basename_result"
+    libobjs_save="$libobjs"
+
+    if test -n "$shlibpath_var"; then
+      # get the directories listed in $shlibpath_var
+      eval shlib_search_path=\`\$ECHO \"X\${$shlibpath_var}\" \| \$Xsed -e \'s/:/ /g\'\`
+    else
+      shlib_search_path=
+    fi
+    eval sys_lib_search_path=\"$sys_lib_search_path_spec\"
+    eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\"
+
+    func_dirname "$output" "/" ""
+    output_objdir="$func_dirname_result$objdir"
+    # Create the object directory.
+    func_mkdir_p "$output_objdir"
+
+    # Determine the type of output
+    case $output in
+    "")
+      func_fatal_help "you must specify an output file"
+      ;;
+    *.$libext) linkmode=oldlib ;;
+    *.lo | *.$objext) linkmode=obj ;;
+    *.la) linkmode=lib ;;
+    *) linkmode=prog ;; # Anything else should be a program.
+    esac
+
+    specialdeplibs=
+
+    libs=
+    # Find all interdependent deplibs by searching for libraries
+    # that are linked more than once (e.g. -la -lb -la)
+    for deplib in $deplibs; do
+      if $opt_duplicate_deps ; then
+	case "$libs " in
+	*" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;;
+	esac
+      fi
+      libs="$libs $deplib"
+    done
+
+    if test "$linkmode" = lib; then
+      libs="$predeps $libs $compiler_lib_search_path $postdeps"
+
+      # Compute libraries that are listed more than once in $predeps
+      # $postdeps and mark them as special (i.e., whose duplicates are
+      # not to be eliminated).
+      pre_post_deps=
+      if $opt_duplicate_compiler_generated_deps; then
+	for pre_post_dep in $predeps $postdeps; do
+	  case "$pre_post_deps " in
+	  *" $pre_post_dep "*) specialdeplibs="$specialdeplibs $pre_post_deps" ;;
+	  esac
+	  pre_post_deps="$pre_post_deps $pre_post_dep"
+	done
+      fi
+      pre_post_deps=
+    fi
+
+    deplibs=
+    newdependency_libs=
+    newlib_search_path=
+    need_relink=no # whether we're linking any uninstalled libtool libraries
+    notinst_deplibs= # not-installed libtool libraries
+    notinst_path= # paths that contain not-installed libtool libraries
+
+    case $linkmode in
+    lib)
+	passes="conv dlpreopen link"
+	for file in $dlfiles $dlprefiles; do
+	  case $file in
+	  *.la) ;;
+	  *)
+	    func_fatal_help "libraries can \`-dlopen' only libtool libraries: $file"
+	    ;;
+	  esac
+	done
+	;;
+    prog)
+	compile_deplibs=
+	finalize_deplibs=
+	alldeplibs=no
+	newdlfiles=
+	newdlprefiles=
+	passes="conv scan dlopen dlpreopen link"
+	;;
+    *)  passes="conv"
+	;;
+    esac
+
+    for pass in $passes; do
+      # The preopen pass in lib mode reverses $deplibs; put it back here
+      # so that -L comes before libs that need it for instance...
+      if test "$linkmode,$pass" = "lib,link"; then
+	## FIXME: Find the place where the list is rebuilt in the wrong
+	##        order, and fix it there properly
+        tmp_deplibs=
+	for deplib in $deplibs; do
+	  tmp_deplibs="$deplib $tmp_deplibs"
+	done
+	deplibs="$tmp_deplibs"
+      fi
+
+      if test "$linkmode,$pass" = "lib,link" ||
+	 test "$linkmode,$pass" = "prog,scan"; then
+	libs="$deplibs"
+	deplibs=
+      fi
+      if test "$linkmode" = prog; then
+	case $pass in
+	dlopen) libs="$dlfiles" ;;
+	dlpreopen) libs="$dlprefiles" ;;
+	link) libs="$deplibs %DEPLIBS% $dependency_libs" ;;
+	esac
+      fi
+      if test "$linkmode,$pass" = "lib,dlpreopen"; then
+	# Collect and forward deplibs of preopened libtool libs
+	for lib in $dlprefiles; do
+	  # Ignore non-libtool-libs
+	  dependency_libs=
+	  case $lib in
+	  *.la)	func_source "$lib" ;;
+	  esac
+
+	  # Collect preopened libtool deplibs, except any this library
+	  # has declared as weak libs
+	  for deplib in $dependency_libs; do
+            deplib_base=`$ECHO "X$deplib" | $Xsed -e "$basename"`
+	    case " $weak_libs " in
+	    *" $deplib_base "*) ;;
+	    *) deplibs="$deplibs $deplib" ;;
+	    esac
+	  done
+	done
+	libs="$dlprefiles"
+      fi
+      if test "$pass" = dlopen; then
+	# Collect dlpreopened libraries
+	save_deplibs="$deplibs"
+	deplibs=
+      fi
+
+      for deplib in $libs; do
+	lib=
+	found=no
+	case $deplib in
+	-mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe|-threads)
+	  if test "$linkmode,$pass" = "prog,link"; then
+	    compile_deplibs="$deplib $compile_deplibs"
+	    finalize_deplibs="$deplib $finalize_deplibs"
+	  else
+	    compiler_flags="$compiler_flags $deplib"
+	    if test "$linkmode" = lib ; then
+		case "$new_inherited_linker_flags " in
+		    *" $deplib "*) ;;
+		    * ) new_inherited_linker_flags="$new_inherited_linker_flags $deplib" ;;
+		esac
+	    fi
+	  fi
+	  continue
+	  ;;
+	-l*)
+	  if test "$linkmode" != lib && test "$linkmode" != prog; then
+	    func_warning "\`-l' is ignored for archives/objects"
+	    continue
+	  fi
+	  func_stripname '-l' '' "$deplib"
+	  name=$func_stripname_result
+	  if test "$linkmode" = lib; then
+	    searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path"
+	  else
+	    searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path"
+	  fi
+	  for searchdir in $searchdirs; do
+	    for search_ext in .la $std_shrext .so .a; do
+	      # Search the libtool library
+	      lib="$searchdir/lib${name}${search_ext}"
+	      if test -f "$lib"; then
+		if test "$search_ext" = ".la"; then
+		  found=yes
+		else
+		  found=no
+		fi
+		break 2
+	      fi
+	    done
+	  done
+	  if test "$found" != yes; then
+	    # deplib doesn't seem to be a libtool library
+	    if test "$linkmode,$pass" = "prog,link"; then
+	      compile_deplibs="$deplib $compile_deplibs"
+	      finalize_deplibs="$deplib $finalize_deplibs"
+	    else
+	      deplibs="$deplib $deplibs"
+	      test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs"
+	    fi
+	    continue
+	  else # deplib is a libtool library
+	    # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib,
+	    # We need to do some special things here, and not later.
+	    if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+	      case " $predeps $postdeps " in
+	      *" $deplib "*)
+		if func_lalib_p "$lib"; then
+		  library_names=
+		  old_library=
+		  func_source "$lib"
+		  for l in $old_library $library_names; do
+		    ll="$l"
+		  done
+		  if test "X$ll" = "X$old_library" ; then # only static version available
+		    found=no
+		    func_dirname "$lib" "" "."
+		    ladir="$func_dirname_result"
+		    lib=$ladir/$old_library
+		    if test "$linkmode,$pass" = "prog,link"; then
+		      compile_deplibs="$deplib $compile_deplibs"
+		      finalize_deplibs="$deplib $finalize_deplibs"
+		    else
+		      deplibs="$deplib $deplibs"
+		      test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs"
+		    fi
+		    continue
+		  fi
+		fi
+		;;
+	      *) ;;
+	      esac
+	    fi
+	  fi
+	  ;; # -l
+	*.ltframework)
+	  if test "$linkmode,$pass" = "prog,link"; then
+	    compile_deplibs="$deplib $compile_deplibs"
+	    finalize_deplibs="$deplib $finalize_deplibs"
+	  else
+	    deplibs="$deplib $deplibs"
+	    if test "$linkmode" = lib ; then
+		case "$new_inherited_linker_flags " in
+		    *" $deplib "*) ;;
+		    * ) new_inherited_linker_flags="$new_inherited_linker_flags $deplib" ;;
+		esac
+	    fi
+	  fi
+	  continue
+	  ;;
+	-L*)
+	  case $linkmode in
+	  lib)
+	    deplibs="$deplib $deplibs"
+	    test "$pass" = conv && continue
+	    newdependency_libs="$deplib $newdependency_libs"
+	    func_stripname '-L' '' "$deplib"
+	    newlib_search_path="$newlib_search_path $func_stripname_result"
+	    ;;
+	  prog)
+	    if test "$pass" = conv; then
+	      deplibs="$deplib $deplibs"
+	      continue
+	    fi
+	    if test "$pass" = scan; then
+	      deplibs="$deplib $deplibs"
+	    else
+	      compile_deplibs="$deplib $compile_deplibs"
+	      finalize_deplibs="$deplib $finalize_deplibs"
+	    fi
+	    func_stripname '-L' '' "$deplib"
+	    newlib_search_path="$newlib_search_path $func_stripname_result"
+	    ;;
+	  *)
+	    func_warning "\`-L' is ignored for archives/objects"
+	    ;;
+	  esac # linkmode
+	  continue
+	  ;; # -L
+	-R*)
+	  if test "$pass" = link; then
+	    func_stripname '-R' '' "$deplib"
+	    dir=$func_stripname_result
+	    # Make sure the xrpath contains only unique directories.
+	    case "$xrpath " in
+	    *" $dir "*) ;;
+	    *) xrpath="$xrpath $dir" ;;
+	    esac
+	  fi
+	  deplibs="$deplib $deplibs"
+	  continue
+	  ;;
+	*.la) lib="$deplib" ;;
+	*.$libext)
+	  if test "$pass" = conv; then
+	    deplibs="$deplib $deplibs"
+	    continue
+	  fi
+	  case $linkmode in
+	  lib)
+	    # Linking convenience modules into shared libraries is allowed,
+	    # but linking other static libraries is non-portable.
+	    case " $dlpreconveniencelibs " in
+	    *" $deplib "*) ;;
+	    *)
+	      valid_a_lib=no
+	      case $deplibs_check_method in
+		match_pattern*)
+		  set dummy $deplibs_check_method; shift
+		  match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"`
+		  if eval "\$ECHO \"X$deplib\"" 2>/dev/null | $Xsed -e 10q \
+		    | $EGREP "$match_pattern_regex" > /dev/null; then
+		    valid_a_lib=yes
+		  fi
+		;;
+		pass_all)
+		  valid_a_lib=yes
+		;;
+	      esac
+	      if test "$valid_a_lib" != yes; then
+		$ECHO
+		$ECHO "*** Warning: Trying to link with static lib archive $deplib."
+		$ECHO "*** I have the capability to make that library automatically link in when"
+		$ECHO "*** you link to this library.  But I can only do this if you have a"
+		$ECHO "*** shared version of the library, which you do not appear to have"
+		$ECHO "*** because the file extensions .$libext of this argument makes me believe"
+		$ECHO "*** that it is just a static archive that I should not use here."
+	      else
+		$ECHO
+		$ECHO "*** Warning: Linking the shared library $output against the"
+		$ECHO "*** static library $deplib is not portable!"
+		deplibs="$deplib $deplibs"
+	      fi
+	      ;;
+	    esac
+	    continue
+	    ;;
+	  prog)
+	    if test "$pass" != link; then
+	      deplibs="$deplib $deplibs"
+	    else
+	      compile_deplibs="$deplib $compile_deplibs"
+	      finalize_deplibs="$deplib $finalize_deplibs"
+	    fi
+	    continue
+	    ;;
+	  esac # linkmode
+	  ;; # *.$libext
+	*.lo | *.$objext)
+	  if test "$pass" = conv; then
+	    deplibs="$deplib $deplibs"
+	  elif test "$linkmode" = prog; then
+	    if test "$pass" = dlpreopen || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then
+	      # If there is no dlopen support or we're linking statically,
+	      # we need to preload.
+	      newdlprefiles="$newdlprefiles $deplib"
+	      compile_deplibs="$deplib $compile_deplibs"
+	      finalize_deplibs="$deplib $finalize_deplibs"
+	    else
+	      newdlfiles="$newdlfiles $deplib"
+	    fi
+	  fi
+	  continue
+	  ;;
+	%DEPLIBS%)
+	  alldeplibs=yes
+	  continue
+	  ;;
+	esac # case $deplib
+
+	if test "$found" = yes || test -f "$lib"; then :
+	else
+	  func_fatal_error "cannot find the library \`$lib' or unhandled argument \`$deplib'"
+	fi
+
+	# Check to see that this really is a libtool archive.
+	func_lalib_unsafe_p "$lib" \
+	  || func_fatal_error "\`$lib' is not a valid libtool archive"
+
+	func_dirname "$lib" "" "."
+	ladir="$func_dirname_result"
+
+	dlname=
+	dlopen=
+	dlpreopen=
+	libdir=
+	library_names=
+	old_library=
+	inherited_linker_flags=
+	# If the library was installed with an old release of libtool,
+	# it will not redefine variables installed, or shouldnotlink
+	installed=yes
+	shouldnotlink=no
+	avoidtemprpath=
+
+
+	# Read the .la file
+	func_source "$lib"
+
+	# Convert "-framework foo" to "foo.ltframework"
+	if test -n "$inherited_linker_flags"; then
+	  tmp_inherited_linker_flags=`$ECHO "X$inherited_linker_flags" | $Xsed -e 's/-framework \([^ $]*\)/\1.ltframework/g'`
+	  for tmp_inherited_linker_flag in $tmp_inherited_linker_flags; do
+	    case " $new_inherited_linker_flags " in
+	      *" $tmp_inherited_linker_flag "*) ;;
+	      *) new_inherited_linker_flags="$new_inherited_linker_flags $tmp_inherited_linker_flag";;
+	    esac
+	  done
+	fi
+	dependency_libs=`$ECHO "X $dependency_libs" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'`
+	if test "$linkmode,$pass" = "lib,link" ||
+	   test "$linkmode,$pass" = "prog,scan" ||
+	   { test "$linkmode" != prog && test "$linkmode" != lib; }; then
+	  test -n "$dlopen" && dlfiles="$dlfiles $dlopen"
+	  test -n "$dlpreopen" && dlprefiles="$dlprefiles $dlpreopen"
+	fi
+
+	if test "$pass" = conv; then
+	  # Only check for convenience libraries
+	  deplibs="$lib $deplibs"
+	  if test -z "$libdir"; then
+	    if test -z "$old_library"; then
+	      func_fatal_error "cannot find name of link library for \`$lib'"
+	    fi
+	    # It is a libtool convenience library, so add in its objects.
+	    convenience="$convenience $ladir/$objdir/$old_library"
+	    old_convenience="$old_convenience $ladir/$objdir/$old_library"
+	  elif test "$linkmode" != prog && test "$linkmode" != lib; then
+	    func_fatal_error "\`$lib' is not a convenience library"
+	  fi
+	  tmp_libs=
+	  for deplib in $dependency_libs; do
+	    deplibs="$deplib $deplibs"
+	    if $opt_duplicate_deps ; then
+	      case "$tmp_libs " in
+	      *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;;
+	      esac
+	    fi
+	    tmp_libs="$tmp_libs $deplib"
+	  done
+	  continue
+	fi # $pass = conv
+
+
+	# Get the name of the library we link against.
+	linklib=
+	for l in $old_library $library_names; do
+	  linklib="$l"
+	done
+	if test -z "$linklib"; then
+	  func_fatal_error "cannot find name of link library for \`$lib'"
+	fi
+
+	# This library was specified with -dlopen.
+	if test "$pass" = dlopen; then
+	  if test -z "$libdir"; then
+	    func_fatal_error "cannot -dlopen a convenience library: \`$lib'"
+	  fi
+	  if test -z "$dlname" ||
+	     test "$dlopen_support" != yes ||
+	     test "$build_libtool_libs" = no; then
+	    # If there is no dlname, no dlopen support or we're linking
+	    # statically, we need to preload.  We also need to preload any
+	    # dependent libraries so libltdl's deplib preloader doesn't
+	    # bomb out in the load deplibs phase.
+	    dlprefiles="$dlprefiles $lib $dependency_libs"
+	  else
+	    newdlfiles="$newdlfiles $lib"
+	  fi
+	  continue
+	fi # $pass = dlopen
+
+	# We need an absolute path.
+	case $ladir in
+	[\\/]* | [A-Za-z]:[\\/]*) abs_ladir="$ladir" ;;
+	*)
+	  abs_ladir=`cd "$ladir" && pwd`
+	  if test -z "$abs_ladir"; then
+	    func_warning "cannot determine absolute directory name of \`$ladir'"
+	    func_warning "passing it literally to the linker, although it might fail"
+	    abs_ladir="$ladir"
+	  fi
+	  ;;
+	esac
+	func_basename "$lib"
+	laname="$func_basename_result"
+
+	# Find the relevant object directory and library name.
+	if test "X$installed" = Xyes; then
+	  if test ! -f "$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then
+	    func_warning "library \`$lib' was moved."
+	    dir="$ladir"
+	    absdir="$abs_ladir"
+	    libdir="$abs_ladir"
+	  else
+	    dir="$libdir"
+	    absdir="$libdir"
+	  fi
+	  test "X$hardcode_automatic" = Xyes && avoidtemprpath=yes
+	else
+	  if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then
+	    dir="$ladir"
+	    absdir="$abs_ladir"
+	    # Remove this search path later
+	    notinst_path="$notinst_path $abs_ladir"
+	  else
+	    dir="$ladir/$objdir"
+	    absdir="$abs_ladir/$objdir"
+	    # Remove this search path later
+	    notinst_path="$notinst_path $abs_ladir"
+	  fi
+	fi # $installed = yes
+	func_stripname 'lib' '.la' "$laname"
+	name=$func_stripname_result
+
+	# This library was specified with -dlpreopen.
+	if test "$pass" = dlpreopen; then
+	  if test -z "$libdir" && test "$linkmode" = prog; then
+	    func_fatal_error "only libraries may -dlpreopen a convenience library: \`$lib'"
+	  fi
+	  # Prefer using a static library (so that no silly _DYNAMIC symbols
+	  # are required to link).
+	  if test -n "$old_library"; then
+	    newdlprefiles="$newdlprefiles $dir/$old_library"
+	    # Keep a list of preopened convenience libraries to check
+	    # that they are being used correctly in the link pass.
+	    test -z "$libdir" && \
+		dlpreconveniencelibs="$dlpreconveniencelibs $dir/$old_library"
+	  # Otherwise, use the dlname, so that lt_dlopen finds it.
+	  elif test -n "$dlname"; then
+	    newdlprefiles="$newdlprefiles $dir/$dlname"
+	  else
+	    newdlprefiles="$newdlprefiles $dir/$linklib"
+	  fi
+	fi # $pass = dlpreopen
+
+	if test -z "$libdir"; then
+	  # Link the convenience library
+	  if test "$linkmode" = lib; then
+	    deplibs="$dir/$old_library $deplibs"
+	  elif test "$linkmode,$pass" = "prog,link"; then
+	    compile_deplibs="$dir/$old_library $compile_deplibs"
+	    finalize_deplibs="$dir/$old_library $finalize_deplibs"
+	  else
+	    deplibs="$lib $deplibs" # used for prog,scan pass
+	  fi
+	  continue
+	fi
+
+
+	if test "$linkmode" = prog && test "$pass" != link; then
+	  newlib_search_path="$newlib_search_path $ladir"
+	  deplibs="$lib $deplibs"
+
+	  linkalldeplibs=no
+	  if test "$link_all_deplibs" != no || test -z "$library_names" ||
+	     test "$build_libtool_libs" = no; then
+	    linkalldeplibs=yes
+	  fi
+
+	  tmp_libs=
+	  for deplib in $dependency_libs; do
+	    case $deplib in
+	    -L*) func_stripname '-L' '' "$deplib"
+	         newlib_search_path="$newlib_search_path $func_stripname_result"
+		 ;;
+	    esac
+	    # Need to link against all dependency_libs?
+	    if test "$linkalldeplibs" = yes; then
+	      deplibs="$deplib $deplibs"
+	    else
+	      # Need to hardcode shared library paths
+	      # or/and link against static libraries
+	      newdependency_libs="$deplib $newdependency_libs"
+	    fi
+	    if $opt_duplicate_deps ; then
+	      case "$tmp_libs " in
+	      *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;;
+	      esac
+	    fi
+	    tmp_libs="$tmp_libs $deplib"
+	  done # for deplib
+	  continue
+	fi # $linkmode = prog...
+
+	if test "$linkmode,$pass" = "prog,link"; then
+	  if test -n "$library_names" &&
+	     { { test "$prefer_static_libs" = no ||
+	         test "$prefer_static_libs,$installed" = "built,yes"; } ||
+	       test -z "$old_library"; }; then
+	    # We need to hardcode the library path
+	    if test -n "$shlibpath_var" && test -z "$avoidtemprpath" ; then
+	      # Make sure the rpath contains only unique directories.
+	      case "$temp_rpath:" in
+	      *"$absdir:"*) ;;
+	      *) temp_rpath="$temp_rpath$absdir:" ;;
+	      esac
+	    fi
+
+	    # Hardcode the library path.
+	    # Skip directories that are in the system default run-time
+	    # search path.
+	    case " $sys_lib_dlsearch_path " in
+	    *" $absdir "*) ;;
+	    *)
+	      case "$compile_rpath " in
+	      *" $absdir "*) ;;
+	      *) compile_rpath="$compile_rpath $absdir"
+	      esac
+	      ;;
+	    esac
+	    case " $sys_lib_dlsearch_path " in
+	    *" $libdir "*) ;;
+	    *)
+	      case "$finalize_rpath " in
+	      *" $libdir "*) ;;
+	      *) finalize_rpath="$finalize_rpath $libdir"
+	      esac
+	      ;;
+	    esac
+	  fi # $linkmode,$pass = prog,link...
+
+	  if test "$alldeplibs" = yes &&
+	     { test "$deplibs_check_method" = pass_all ||
+	       { test "$build_libtool_libs" = yes &&
+		 test -n "$library_names"; }; }; then
+	    # We only need to search for static libraries
+	    continue
+	  fi
+	fi
+
+	link_static=no # Whether the deplib will be linked statically
+	use_static_libs=$prefer_static_libs
+	if test "$use_static_libs" = built && test "$installed" = yes; then
+	  use_static_libs=no
+	fi
+	if test -n "$library_names" &&
+	   { test "$use_static_libs" = no || test -z "$old_library"; }; then
+	  case $host in
+	  *cygwin* | *mingw*)
+	      # No point in relinking DLLs because paths are not encoded
+	      notinst_deplibs="$notinst_deplibs $lib"
+	      need_relink=no
+	    ;;
+	  *)
+	    if test "$installed" = no; then
+	      notinst_deplibs="$notinst_deplibs $lib"
+	      need_relink=yes
+	    fi
+	    ;;
+	  esac
+	  # This is a shared library
+
+	  # Warn about portability, can't link against -module's on some
+	  # systems (darwin).  Don't bleat about dlopened modules though!
+	  dlopenmodule=""
+	  for dlpremoduletest in $dlprefiles; do
+	    if test "X$dlpremoduletest" = "X$lib"; then
+	      dlopenmodule="$dlpremoduletest"
+	      break
+	    fi
+	  done
+	  if test -z "$dlopenmodule" && test "$shouldnotlink" = yes && test "$pass" = link; then
+	    $ECHO
+	    if test "$linkmode" = prog; then
+	      $ECHO "*** Warning: Linking the executable $output against the loadable module"
+	    else
+	      $ECHO "*** Warning: Linking the shared library $output against the loadable module"
+	    fi
+	    $ECHO "*** $linklib is not portable!"
+	  fi
+	  if test "$linkmode" = lib &&
+	     test "$hardcode_into_libs" = yes; then
+	    # Hardcode the library path.
+	    # Skip directories that are in the system default run-time
+	    # search path.
+	    case " $sys_lib_dlsearch_path " in
+	    *" $absdir "*) ;;
+	    *)
+	      case "$compile_rpath " in
+	      *" $absdir "*) ;;
+	      *) compile_rpath="$compile_rpath $absdir"
+	      esac
+	      ;;
+	    esac
+	    case " $sys_lib_dlsearch_path " in
+	    *" $libdir "*) ;;
+	    *)
+	      case "$finalize_rpath " in
+	      *" $libdir "*) ;;
+	      *) finalize_rpath="$finalize_rpath $libdir"
+	      esac
+	      ;;
+	    esac
+	  fi
+
+	  if test -n "$old_archive_from_expsyms_cmds"; then
+	    # figure out the soname
+	    set dummy $library_names
+	    shift
+	    realname="$1"
+	    shift
+	    libname=`eval "\\$ECHO \"$libname_spec\""`
+	    # use dlname if we got it. it's perfectly good, no?
+	    if test -n "$dlname"; then
+	      soname="$dlname"
+	    elif test -n "$soname_spec"; then
+	      # bleh windows
+	      case $host in
+	      *cygwin* | mingw*)
+	        func_arith $current - $age
+		major=$func_arith_result
+		versuffix="-$major"
+		;;
+	      esac
+	      eval soname=\"$soname_spec\"
+	    else
+	      soname="$realname"
+	    fi
+
+	    # Make a new name for the extract_expsyms_cmds to use
+	    soroot="$soname"
+	    func_basename "$soroot"
+	    soname="$func_basename_result"
+	    func_stripname 'lib' '.dll' "$soname"
+	    newlib=libimp-$func_stripname_result.a
+
+	    # If the library has no export list, then create one now
+	    if test -f "$output_objdir/$soname-def"; then :
+	    else
+	      func_verbose "extracting exported symbol list from \`$soname'"
+	      func_execute_cmds "$extract_expsyms_cmds" 'exit $?'
+	    fi
+
+	    # Create $newlib
+	    if test -f "$output_objdir/$newlib"; then :; else
+	      func_verbose "generating import library for \`$soname'"
+	      func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?'
+	    fi
+	    # make sure the library variables are pointing to the new library
+	    dir=$output_objdir
+	    linklib=$newlib
+	  fi # test -n "$old_archive_from_expsyms_cmds"
+
+	  if test "$linkmode" = prog || test "$mode" != relink; then
+	    add_shlibpath=
+	    add_dir=
+	    add=
+	    lib_linked=yes
+	    case $hardcode_action in
+	    immediate | unsupported)
+	      if test "$hardcode_direct" = no; then
+		add="$dir/$linklib"
+		case $host in
+		  *-*-sco3.2v5.0.[024]*) add_dir="-L$dir" ;;
+		  *-*-sysv4*uw2*) add_dir="-L$dir" ;;
+		  *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \
+		    *-*-unixware7*) add_dir="-L$dir" ;;
+		  *-*-darwin* )
+		    # if the lib is a (non-dlopened) module then we can not
+		    # link against it, someone is ignoring the earlier warnings
+		    if /usr/bin/file -L $add 2> /dev/null |
+			 $GREP ": [^:]* bundle" >/dev/null ; then
+		      if test "X$dlopenmodule" != "X$lib"; then
+			$ECHO "*** Warning: lib $linklib is a module, not a shared library"
+			if test -z "$old_library" ; then
+			  $ECHO
+			  $ECHO "*** And there doesn't seem to be a static archive available"
+			  $ECHO "*** The link will probably fail, sorry"
+			else
+			  add="$dir/$old_library"
+			fi
+		      elif test -n "$old_library"; then
+			add="$dir/$old_library"
+		      fi
+		    fi
+		esac
+	      elif test "$hardcode_minus_L" = no; then
+		case $host in
+		*-*-sunos*) add_shlibpath="$dir" ;;
+		esac
+		add_dir="-L$dir"
+		add="-l$name"
+	      elif test "$hardcode_shlibpath_var" = no; then
+		add_shlibpath="$dir"
+		add="-l$name"
+	      else
+		lib_linked=no
+	      fi
+	      ;;
+	    relink)
+	      if test "$hardcode_direct" = yes &&
+	         test "$hardcode_direct_absolute" = no; then
+		add="$dir/$linklib"
+	      elif test "$hardcode_minus_L" = yes; then
+		add_dir="-L$dir"
+		# Try looking first in the location we're being installed to.
+		if test -n "$inst_prefix_dir"; then
+		  case $libdir in
+		    [\\/]*)
+		      add_dir="$add_dir -L$inst_prefix_dir$libdir"
+		      ;;
+		  esac
+		fi
+		add="-l$name"
+	      elif test "$hardcode_shlibpath_var" = yes; then
+		add_shlibpath="$dir"
+		add="-l$name"
+	      else
+		lib_linked=no
+	      fi
+	      ;;
+	    *) lib_linked=no ;;
+	    esac
+
+	    if test "$lib_linked" != yes; then
+	      func_fatal_configuration "unsupported hardcode properties"
+	    fi
+
+	    if test -n "$add_shlibpath"; then
+	      case :$compile_shlibpath: in
+	      *":$add_shlibpath:"*) ;;
+	      *) compile_shlibpath="$compile_shlibpath$add_shlibpath:" ;;
+	      esac
+	    fi
+	    if test "$linkmode" = prog; then
+	      test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs"
+	      test -n "$add" && compile_deplibs="$add $compile_deplibs"
+	    else
+	      test -n "$add_dir" && deplibs="$add_dir $deplibs"
+	      test -n "$add" && deplibs="$add $deplibs"
+	      if test "$hardcode_direct" != yes &&
+		 test "$hardcode_minus_L" != yes &&
+		 test "$hardcode_shlibpath_var" = yes; then
+		case :$finalize_shlibpath: in
+		*":$libdir:"*) ;;
+		*) finalize_shlibpath="$finalize_shlibpath$libdir:" ;;
+		esac
+	      fi
+	    fi
+	  fi
+
+	  if test "$linkmode" = prog || test "$mode" = relink; then
+	    add_shlibpath=
+	    add_dir=
+	    add=
+	    # Finalize command for both is simple: just hardcode it.
+	    if test "$hardcode_direct" = yes &&
+	       test "$hardcode_direct_absolute" = no; then
+	      add="$libdir/$linklib"
+	    elif test "$hardcode_minus_L" = yes; then
+	      add_dir="-L$libdir"
+	      add="-l$name"
+	    elif test "$hardcode_shlibpath_var" = yes; then
+	      case :$finalize_shlibpath: in
+	      *":$libdir:"*) ;;
+	      *) finalize_shlibpath="$finalize_shlibpath$libdir:" ;;
+	      esac
+	      add="-l$name"
+	    elif test "$hardcode_automatic" = yes; then
+	      if test -n "$inst_prefix_dir" &&
+		 test -f "$inst_prefix_dir$libdir/$linklib" ; then
+		add="$inst_prefix_dir$libdir/$linklib"
+	      else
+		add="$libdir/$linklib"
+	      fi
+	    else
+	      # We cannot seem to hardcode it, guess we'll fake it.
+	      add_dir="-L$libdir"
+	      # Try looking first in the location we're being installed to.
+	      if test -n "$inst_prefix_dir"; then
+		case $libdir in
+		  [\\/]*)
+		    add_dir="$add_dir -L$inst_prefix_dir$libdir"
+		    ;;
+		esac
+	      fi
+	      add="-l$name"
+	    fi
+
+	    if test "$linkmode" = prog; then
+	      test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs"
+	      test -n "$add" && finalize_deplibs="$add $finalize_deplibs"
+	    else
+	      test -n "$add_dir" && deplibs="$add_dir $deplibs"
+	      test -n "$add" && deplibs="$add $deplibs"
+	    fi
+	  fi
+	elif test "$linkmode" = prog; then
+	  # Here we assume that one of hardcode_direct or hardcode_minus_L
+	  # is not unsupported.  This is valid on all known static and
+	  # shared platforms.
+	  if test "$hardcode_direct" != unsupported; then
+	    test -n "$old_library" && linklib="$old_library"
+	    compile_deplibs="$dir/$linklib $compile_deplibs"
+	    finalize_deplibs="$dir/$linklib $finalize_deplibs"
+	  else
+	    compile_deplibs="-l$name -L$dir $compile_deplibs"
+	    finalize_deplibs="-l$name -L$dir $finalize_deplibs"
+	  fi
+	elif test "$build_libtool_libs" = yes; then
+	  # Not a shared library
+	  if test "$deplibs_check_method" != pass_all; then
+	    # We're trying link a shared library against a static one
+	    # but the system doesn't support it.
+
+	    # Just print a warning and add the library to dependency_libs so
+	    # that the program can be linked against the static library.
+	    $ECHO
+	    $ECHO "*** Warning: This system can not link to static lib archive $lib."
+	    $ECHO "*** I have the capability to make that library automatically link in when"
+	    $ECHO "*** you link to this library.  But I can only do this if you have a"
+	    $ECHO "*** shared version of the library, which you do not appear to have."
+	    if test "$module" = yes; then
+	      $ECHO "*** But as you try to build a module library, libtool will still create "
+	      $ECHO "*** a static module, that should work as long as the dlopening application"
+	      $ECHO "*** is linked with the -dlopen flag to resolve symbols at runtime."
+	      if test -z "$global_symbol_pipe"; then
+		$ECHO
+		$ECHO "*** However, this would only work if libtool was able to extract symbol"
+		$ECHO "*** lists from a program, using \`nm' or equivalent, but libtool could"
+		$ECHO "*** not find such a program.  So, this module is probably useless."
+		$ECHO "*** \`nm' from GNU binutils and a full rebuild may help."
+	      fi
+	      if test "$build_old_libs" = no; then
+		build_libtool_libs=module
+		build_old_libs=yes
+	      else
+		build_libtool_libs=no
+	      fi
+	    fi
+	  else
+	    deplibs="$dir/$old_library $deplibs"
+	    link_static=yes
+	  fi
+	fi # link shared/static library?
+
+	if test "$linkmode" = lib; then
+	  if test -n "$dependency_libs" &&
+	     { test "$hardcode_into_libs" != yes ||
+	       test "$build_old_libs" = yes ||
+	       test "$link_static" = yes; }; then
+	    # Extract -R from dependency_libs
+	    temp_deplibs=
+	    for libdir in $dependency_libs; do
+	      case $libdir in
+	      -R*) func_stripname '-R' '' "$libdir"
+	           temp_xrpath=$func_stripname_result
+		   case " $xrpath " in
+		   *" $temp_xrpath "*) ;;
+		   *) xrpath="$xrpath $temp_xrpath";;
+		   esac;;
+	      *) temp_deplibs="$temp_deplibs $libdir";;
+	      esac
+	    done
+	    dependency_libs="$temp_deplibs"
+	  fi
+
+	  newlib_search_path="$newlib_search_path $absdir"
+	  # Link against this library
+	  test "$link_static" = no && newdependency_libs="$abs_ladir/$laname $newdependency_libs"
+	  # ... and its dependency_libs
+	  tmp_libs=
+	  for deplib in $dependency_libs; do
+	    newdependency_libs="$deplib $newdependency_libs"
+	    if $opt_duplicate_deps ; then
+	      case "$tmp_libs " in
+	      *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;;
+	      esac
+	    fi
+	    tmp_libs="$tmp_libs $deplib"
+	  done
+
+	  if test "$link_all_deplibs" != no; then
+	    # Add the search paths of all dependency libraries
+	    for deplib in $dependency_libs; do
+	      case $deplib in
+	      -L*) path="$deplib" ;;
+	      *.la)
+	        func_dirname "$deplib" "" "."
+		dir="$func_dirname_result"
+		# We need an absolute path.
+		case $dir in
+		[\\/]* | [A-Za-z]:[\\/]*) absdir="$dir" ;;
+		*)
+		  absdir=`cd "$dir" && pwd`
+		  if test -z "$absdir"; then
+		    func_warning "cannot determine absolute directory name of \`$dir'"
+		    absdir="$dir"
+		  fi
+		  ;;
+		esac
+		if $GREP "^installed=no" $deplib > /dev/null; then
+		case $host in
+		*-*-darwin*)
+		  depdepl=
+		  eval deplibrary_names=`${SED} -n -e 's/^library_names=\(.*\)$/\1/p' $deplib`
+		  if test -n "$deplibrary_names" ; then
+		    for tmp in $deplibrary_names ; do
+		      depdepl=$tmp
+		    done
+		    if test -f "$absdir/$objdir/$depdepl" ; then
+		      depdepl="$absdir/$objdir/$depdepl"
+		      darwin_install_name=`${OTOOL} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'`
+                      if test -z "$darwin_install_name"; then
+                          darwin_install_name=`${OTOOL64} -L $depdepl  | awk '{if (NR == 2) {print $1;exit}}'`
+                      fi
+		      compiler_flags="$compiler_flags ${wl}-dylib_file ${wl}${darwin_install_name}:${depdepl}"
+		      linker_flags="$linker_flags -dylib_file ${darwin_install_name}:${depdepl}"
+		      path=
+		    fi
+		  fi
+		  ;;
+		*)
+		  path="-L$absdir/$objdir"
+		  ;;
+		esac
+		else
+		  eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib`
+		  test -z "$libdir" && \
+		    func_fatal_error "\`$deplib' is not a valid libtool archive"
+		  test "$absdir" != "$libdir" && \
+		    func_warning "\`$deplib' seems to be moved"
+
+		  path="-L$absdir"
+		fi
+		;;
+	      esac
+	      case " $deplibs " in
+	      *" $path "*) ;;
+	      *) deplibs="$path $deplibs" ;;
+	      esac
+	    done
+	  fi # link_all_deplibs != no
+	fi # linkmode = lib
+      done # for deplib in $libs
+      if test "$pass" = link; then
+	if test "$linkmode" = "prog"; then
+	  compile_deplibs="$new_inherited_linker_flags $compile_deplibs"
+	  finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs"
+	else
+	  compiler_flags="$compiler_flags "`$ECHO "X $new_inherited_linker_flags" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'`
+	fi
+      fi
+      dependency_libs="$newdependency_libs"
+      if test "$pass" = dlpreopen; then
+	# Link the dlpreopened libraries before other libraries
+	for deplib in $save_deplibs; do
+	  deplibs="$deplib $deplibs"
+	done
+      fi
+      if test "$pass" != dlopen; then
+	if test "$pass" != conv; then
+	  # Make sure lib_search_path contains only unique directories.
+	  lib_search_path=
+	  for dir in $newlib_search_path; do
+	    case "$lib_search_path " in
+	    *" $dir "*) ;;
+	    *) lib_search_path="$lib_search_path $dir" ;;
+	    esac
+	  done
+	  newlib_search_path=
+	fi
+
+	if test "$linkmode,$pass" != "prog,link"; then
+	  vars="deplibs"
+	else
+	  vars="compile_deplibs finalize_deplibs"
+	fi
+	for var in $vars dependency_libs; do
+	  # Add libraries to $var in reverse order
+	  eval tmp_libs=\"\$$var\"
+	  new_libs=
+	  for deplib in $tmp_libs; do
+	    # FIXME: Pedantically, this is the right thing to do, so
+	    #        that some nasty dependency loop isn't accidentally
+	    #        broken:
+	    #new_libs="$deplib $new_libs"
+	    # Pragmatically, this seems to cause very few problems in
+	    # practice:
+	    case $deplib in
+	    -L*) new_libs="$deplib $new_libs" ;;
+	    -R*) ;;
+	    *)
+	      # And here is the reason: when a library appears more
+	      # than once as an explicit dependence of a library, or
+	      # is implicitly linked in more than once by the
+	      # compiler, it is considered special, and multiple
+	      # occurrences thereof are not removed.  Compare this
+	      # with having the same library being listed as a
+	      # dependency of multiple other libraries: in this case,
+	      # we know (pedantically, we assume) the library does not
+	      # need to be listed more than once, so we keep only the
+	      # last copy.  This is not always right, but it is rare
+	      # enough that we require users that really mean to play
+	      # such unportable linking tricks to link the library
+	      # using -Wl,-lname, so that libtool does not consider it
+	      # for duplicate removal.
+	      case " $specialdeplibs " in
+	      *" $deplib "*) new_libs="$deplib $new_libs" ;;
+	      *)
+		case " $new_libs " in
+		*" $deplib "*) ;;
+		*) new_libs="$deplib $new_libs" ;;
+		esac
+		;;
+	      esac
+	      ;;
+	    esac
+	  done
+	  tmp_libs=
+	  for deplib in $new_libs; do
+	    case $deplib in
+	    -L*)
+	      case " $tmp_libs " in
+	      *" $deplib "*) ;;
+	      *) tmp_libs="$tmp_libs $deplib" ;;
+	      esac
+	      ;;
+	    *) tmp_libs="$tmp_libs $deplib" ;;
+	    esac
+	  done
+	  eval $var=\"$tmp_libs\"
+	done # for var
+      fi
+      # Last step: remove runtime libs from dependency_libs
+      # (they stay in deplibs)
+      tmp_libs=
+      for i in $dependency_libs ; do
+	case " $predeps $postdeps $compiler_lib_search_path " in
+	*" $i "*)
+	  i=""
+	  ;;
+	esac
+	if test -n "$i" ; then
+	  tmp_libs="$tmp_libs $i"
+	fi
+      done
+      dependency_libs=$tmp_libs
+    done # for pass
+    if test "$linkmode" = prog; then
+      dlfiles="$newdlfiles"
+    fi
+    if test "$linkmode" = prog || test "$linkmode" = lib; then
+      dlprefiles="$newdlprefiles"
+    fi
+
+    case $linkmode in
+    oldlib)
+      if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then
+	func_warning "\`-dlopen' is ignored for archives"
+      fi
+
+      case " $deplibs" in
+      *\ -l* | *\ -L*)
+	func_warning "\`-l' and \`-L' are ignored for archives" ;;
+      esac
+
+      test -n "$rpath" && \
+	func_warning "\`-rpath' is ignored for archives"
+
+      test -n "$xrpath" && \
+	func_warning "\`-R' is ignored for archives"
+
+      test -n "$vinfo" && \
+	func_warning "\`-version-info/-version-number' is ignored for archives"
+
+      test -n "$release" && \
+	func_warning "\`-release' is ignored for archives"
+
+      test -n "$export_symbols$export_symbols_regex" && \
+	func_warning "\`-export-symbols' is ignored for archives"
+
+      # Now set the variables for building old libraries.
+      build_libtool_libs=no
+      oldlibs="$output"
+      objs="$objs$old_deplibs"
+      ;;
+
+    lib)
+      # Make sure we only generate libraries of the form `libNAME.la'.
+      case $outputname in
+      lib*)
+	func_stripname 'lib' '.la' "$outputname"
+	name=$func_stripname_result
+	eval shared_ext=\"$shrext_cmds\"
+	eval libname=\"$libname_spec\"
+	;;
+      *)
+	test "$module" = no && \
+	  func_fatal_help "libtool library \`$output' must begin with \`lib'"
+
+	if test "$need_lib_prefix" != no; then
+	  # Add the "lib" prefix for modules if required
+	  func_stripname '' '.la' "$outputname"
+	  name=$func_stripname_result
+	  eval shared_ext=\"$shrext_cmds\"
+	  eval libname=\"$libname_spec\"
+	else
+	  func_stripname '' '.la' "$outputname"
+	  libname=$func_stripname_result
+	fi
+	;;
+      esac
+
+      if test -n "$objs"; then
+	if test "$deplibs_check_method" != pass_all; then
+	  func_fatal_error "cannot build libtool library \`$output' from non-libtool objects on this host:$objs"
+	else
+	  $ECHO
+	  $ECHO "*** Warning: Linking the shared library $output against the non-libtool"
+	  $ECHO "*** objects $objs is not portable!"
+	  libobjs="$libobjs $objs"
+	fi
+      fi
+
+      test "$dlself" != no && \
+	func_warning "\`-dlopen self' is ignored for libtool libraries"
+
+      set dummy $rpath
+      shift
+      test "$#" -gt 1 && \
+	func_warning "ignoring multiple \`-rpath's for a libtool library"
+
+      install_libdir="$1"
+
+      oldlibs=
+      if test -z "$rpath"; then
+	if test "$build_libtool_libs" = yes; then
+	  # Building a libtool convenience library.
+	  # Some compilers have problems with a `.al' extension so
+	  # convenience libraries should have the same extension an
+	  # archive normally would.
+	  oldlibs="$output_objdir/$libname.$libext $oldlibs"
+	  build_libtool_libs=convenience
+	  build_old_libs=yes
+	fi
+
+	test -n "$vinfo" && \
+	  func_warning "\`-version-info/-version-number' is ignored for convenience libraries"
+
+	test -n "$release" && \
+	  func_warning "\`-release' is ignored for convenience libraries"
+      else
+
+	# Parse the version information argument.
+	save_ifs="$IFS"; IFS=':'
+	set dummy $vinfo 0 0 0
+	shift
+	IFS="$save_ifs"
+
+	test -n "$7" && \
+	  func_fatal_help "too many parameters to \`-version-info'"
+
+	# convert absolute version numbers to libtool ages
+	# this retains compatibility with .la files and attempts
+	# to make the code below a bit more comprehensible
+
+	case $vinfo_number in
+	yes)
+	  number_major="$1"
+	  number_minor="$2"
+	  number_revision="$3"
+	  #
+	  # There are really only two kinds -- those that
+	  # use the current revision as the major version
+	  # and those that subtract age and use age as
+	  # a minor version.  But, then there is irix
+	  # which has an extra 1 added just for fun
+	  #
+	  case $version_type in
+	  darwin|linux|osf|windows|none)
+	    func_arith $number_major + $number_minor
+	    current=$func_arith_result
+	    age="$number_minor"
+	    revision="$number_revision"
+	    ;;
+	  freebsd-aout|freebsd-elf|sunos)
+	    current="$number_major"
+	    revision="$number_minor"
+	    age="0"
+	    ;;
+	  irix|nonstopux)
+	    func_arith $number_major + $number_minor
+	    current=$func_arith_result
+	    age="$number_minor"
+	    revision="$number_minor"
+	    lt_irix_increment=no
+	    ;;
+	  esac
+	  ;;
+	no)
+	  current="$1"
+	  revision="$2"
+	  age="$3"
+	  ;;
+	esac
+
+	# Check that each of the things are valid numbers.
+	case $current in
+	0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
+	*)
+	  func_error "CURRENT \`$current' must be a nonnegative integer"
+	  func_fatal_error "\`$vinfo' is not valid version information"
+	  ;;
+	esac
+
+	case $revision in
+	0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
+	*)
+	  func_error "REVISION \`$revision' must be a nonnegative integer"
+	  func_fatal_error "\`$vinfo' is not valid version information"
+	  ;;
+	esac
+
+	case $age in
+	0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
+	*)
+	  func_error "AGE \`$age' must be a nonnegative integer"
+	  func_fatal_error "\`$vinfo' is not valid version information"
+	  ;;
+	esac
+
+	if test "$age" -gt "$current"; then
+	  func_error "AGE \`$age' is greater than the current interface number \`$current'"
+	  func_fatal_error "\`$vinfo' is not valid version information"
+	fi
+
+	# Calculate the version variables.
+	major=
+	versuffix=
+	verstring=
+	case $version_type in
+	none) ;;
+
+	darwin)
+	  # Like Linux, but with the current version available in
+	  # verstring for coding it into the library header
+	  func_arith $current - $age
+	  major=.$func_arith_result
+	  versuffix="$major.$age.$revision"
+	  # Darwin ld doesn't like 0 for these options...
+	  func_arith $current + 1
+	  minor_current=$func_arith_result
+	  xlcverstring="${wl}-compatibility_version ${wl}$minor_current ${wl}-current_version ${wl}$minor_current.$revision"
+	  verstring="-compatibility_version $minor_current -current_version $minor_current.$revision"
+	  ;;
+
+	freebsd-aout)
+	  major=".$current"
+	  versuffix=".$current.$revision";
+	  ;;
+
+	freebsd-elf)
+	  major=".$current"
+	  versuffix=".$current"
+	  ;;
+
+	irix | nonstopux)
+	  if test "X$lt_irix_increment" = "Xno"; then
+	    func_arith $current - $age
+	  else
+	    func_arith $current - $age + 1
+	  fi
+	  major=$func_arith_result
+
+	  case $version_type in
+	    nonstopux) verstring_prefix=nonstopux ;;
+	    *)         verstring_prefix=sgi ;;
+	  esac
+	  verstring="$verstring_prefix$major.$revision"
+
+	  # Add in all the interfaces that we are compatible with.
+	  loop=$revision
+	  while test "$loop" -ne 0; do
+	    func_arith $revision - $loop
+	    iface=$func_arith_result
+	    func_arith $loop - 1
+	    loop=$func_arith_result
+	    verstring="$verstring_prefix$major.$iface:$verstring"
+	  done
+
+	  # Before this point, $major must not contain `.'.
+	  major=.$major
+	  versuffix="$major.$revision"
+	  ;;
+
+	linux)
+	  func_arith $current - $age
+	  major=.$func_arith_result
+	  versuffix="$major.$age.$revision"
+	  ;;
+
+	osf)
+	  func_arith $current - $age
+	  major=.$func_arith_result
+	  versuffix=".$current.$age.$revision"
+	  verstring="$current.$age.$revision"
+
+	  # Add in all the interfaces that we are compatible with.
+	  loop=$age
+	  while test "$loop" -ne 0; do
+	    func_arith $current - $loop
+	    iface=$func_arith_result
+	    func_arith $loop - 1
+	    loop=$func_arith_result
+	    verstring="$verstring:${iface}.0"
+	  done
+
+	  # Make executables depend on our current version.
+	  verstring="$verstring:${current}.0"
+	  ;;
+
+	qnx)
+	  major=".$current"
+	  versuffix=".$current"
+	  ;;
+
+	sunos)
+	  major=".$current"
+	  versuffix=".$current.$revision"
+	  ;;
+
+	windows)
+	  # Use '-' rather than '.', since we only want one
+	  # extension on DOS 8.3 filesystems.
+	  func_arith $current - $age
+	  major=$func_arith_result
+	  versuffix="-$major"
+	  ;;
+
+	*)
+	  func_fatal_configuration "unknown library version type \`$version_type'"
+	  ;;
+	esac
+
+	# Clear the version info if we defaulted, and they specified a release.
+	if test -z "$vinfo" && test -n "$release"; then
+	  major=
+	  case $version_type in
+	  darwin)
+	    # we can't check for "0.0" in archive_cmds due to quoting
+	    # problems, so we reset it completely
+	    verstring=
+	    ;;
+	  *)
+	    verstring="0.0"
+	    ;;
+	  esac
+	  if test "$need_version" = no; then
+	    versuffix=
+	  else
+	    versuffix=".0.0"
+	  fi
+	fi
+
+	# Remove version info from name if versioning should be avoided
+	if test "$avoid_version" = yes && test "$need_version" = no; then
+	  major=
+	  versuffix=
+	  verstring=""
+	fi
+
+	# Check to see if the archive will have undefined symbols.
+	if test "$allow_undefined" = yes; then
+	  if test "$allow_undefined_flag" = unsupported; then
+	    func_warning "undefined symbols not allowed in $host shared libraries"
+	    build_libtool_libs=no
+	    build_old_libs=yes
+	  fi
+	else
+	  # Don't allow undefined symbols.
+	  allow_undefined_flag="$no_undefined_flag"
+	fi
+
+      fi
+
+      func_generate_dlsyms "$libname" "$libname" "yes"
+      libobjs="$libobjs $symfileobj"
+      test "X$libobjs" = "X " && libobjs=
+
+      if test "$mode" != relink; then
+	# Remove our outputs, but don't remove object files since they
+	# may have been created when compiling PIC objects.
+	removelist=
+	tempremovelist=`$ECHO "$output_objdir/*"`
+	for p in $tempremovelist; do
+	  case $p in
+	    *.$objext)
+	       ;;
+	    $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/${libname}${release}.*)
+	       if test "X$precious_files_regex" != "X"; then
+		 if $ECHO "$p" | $EGREP -e "$precious_files_regex" >/dev/null 2>&1
+		 then
+		   continue
+		 fi
+	       fi
+	       removelist="$removelist $p"
+	       ;;
+	    *) ;;
+	  esac
+	done
+	test -n "$removelist" && \
+	  func_show_eval "${RM}r \$removelist"
+      fi
+
+      # Now set the variables for building old libraries.
+      if test "$build_old_libs" = yes && test "$build_libtool_libs" != convenience ; then
+	oldlibs="$oldlibs $output_objdir/$libname.$libext"
+
+	# Transform .lo files to .o files.
+	oldobjs="$objs "`$ECHO "X$libobjs" | $SP2NL | $Xsed -e '/\.'${libext}'$/d' -e "$lo2o" | $NL2SP`
+      fi
+
+      # Eliminate all temporary directories.
+      #for path in $notinst_path; do
+      #	lib_search_path=`$ECHO "X$lib_search_path " | $Xsed -e "s% $path % %g"`
+      #	deplibs=`$ECHO "X$deplibs " | $Xsed -e "s% -L$path % %g"`
+      #	dependency_libs=`$ECHO "X$dependency_libs " | $Xsed -e "s% -L$path % %g"`
+      #done
+
+      if test -n "$xrpath"; then
+	# If the user specified any rpath flags, then add them.
+	temp_xrpath=
+	for libdir in $xrpath; do
+	  temp_xrpath="$temp_xrpath -R$libdir"
+	  case "$finalize_rpath " in
+	  *" $libdir "*) ;;
+	  *) finalize_rpath="$finalize_rpath $libdir" ;;
+	  esac
+	done
+	if test "$hardcode_into_libs" != yes || test "$build_old_libs" = yes; then
+	  dependency_libs="$temp_xrpath $dependency_libs"
+	fi
+      fi
+
+      # Make sure dlfiles contains only unique files that won't be dlpreopened
+      old_dlfiles="$dlfiles"
+      dlfiles=
+      for lib in $old_dlfiles; do
+	case " $dlprefiles $dlfiles " in
+	*" $lib "*) ;;
+	*) dlfiles="$dlfiles $lib" ;;
+	esac
+      done
+
+      # Make sure dlprefiles contains only unique files
+      old_dlprefiles="$dlprefiles"
+      dlprefiles=
+      for lib in $old_dlprefiles; do
+	case "$dlprefiles " in
+	*" $lib "*) ;;
+	*) dlprefiles="$dlprefiles $lib" ;;
+	esac
+      done
+
+      if test "$build_libtool_libs" = yes; then
+	if test -n "$rpath"; then
+	  case $host in
+	  *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos*)
+	    # these systems don't actually have a c library (as such)!
+	    ;;
+	  *-*-rhapsody* | *-*-darwin1.[012])
+	    # Rhapsody C library is in the System framework
+	    deplibs="$deplibs System.ltframework"
+	    ;;
+	  *-*-netbsd*)
+	    # Don't link with libc until the a.out ld.so is fixed.
+	    ;;
+	  *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*)
+	    # Do not include libc due to us having libc/libc_r.
+	    ;;
+	  *-*-sco3.2v5* | *-*-sco5v6*)
+	    # Causes problems with __ctype
+	    ;;
+	  *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*)
+	    # Compiler inserts libc in the correct place for threads to work
+	    ;;
+	  *)
+	    # Add libc to deplibs on all other systems if necessary.
+	    if test "$build_libtool_need_lc" = "yes"; then
+	      deplibs="$deplibs -lc"
+	    fi
+	    ;;
+	  esac
+	fi
+
+	# Transform deplibs into only deplibs that can be linked in shared.
+	name_save=$name
+	libname_save=$libname
+	release_save=$release
+	versuffix_save=$versuffix
+	major_save=$major
+	# I'm not sure if I'm treating the release correctly.  I think
+	# release should show up in the -l (ie -lgmp5) so we don't want to
+	# add it in twice.  Is that correct?
+	release=""
+	versuffix=""
+	major=""
+	newdeplibs=
+	droppeddeps=no
+	case $deplibs_check_method in
+	pass_all)
+	  # Don't check for shared/static.  Everything works.
+	  # This might be a little naive.  We might want to check
+	  # whether the library exists or not.  But this is on
+	  # osf3 & osf4 and I'm not really sure... Just
+	  # implementing what was already the behavior.
+	  newdeplibs=$deplibs
+	  ;;
+	test_compile)
+	  # This code stresses the "libraries are programs" paradigm to its
+	  # limits. Maybe even breaks it.  We compile a program, linking it
+	  # against the deplibs as a proxy for the library.  Then we can check
+	  # whether they linked in statically or dynamically with ldd.
+	  $opt_dry_run || $RM conftest.c
+	  cat > conftest.c <<EOF
+	  int main() { return 0; }
+EOF
+	  $opt_dry_run || $RM conftest
+	  if $LTCC $LTCFLAGS -o conftest conftest.c $deplibs; then
+	    ldd_output=`ldd conftest`
+	    for i in $deplibs; do
+	      case $i in
+	      -l*)
+		func_stripname -l '' "$i"
+		name=$func_stripname_result
+		if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+		  case " $predeps $postdeps " in
+		  *" $i "*)
+		    newdeplibs="$newdeplibs $i"
+		    i=""
+		    ;;
+		  esac
+		fi
+		if test -n "$i" ; then
+		  libname=`eval "\\$ECHO \"$libname_spec\""`
+		  deplib_matches=`eval "\\$ECHO \"$library_names_spec\""`
+		  set dummy $deplib_matches; shift
+		  deplib_match=$1
+		  if test `expr "$ldd_output" : ".*$deplib_match"` -ne 0 ; then
+		    newdeplibs="$newdeplibs $i"
+		  else
+		    droppeddeps=yes
+		    $ECHO
+		    $ECHO "*** Warning: dynamic linker does not accept needed library $i."
+		    $ECHO "*** I have the capability to make that library automatically link in when"
+		    $ECHO "*** you link to this library.  But I can only do this if you have a"
+		    $ECHO "*** shared version of the library, which I believe you do not have"
+		    $ECHO "*** because a test_compile did reveal that the linker did not use it for"
+		    $ECHO "*** its dynamic dependency list that programs get resolved with at runtime."
+		  fi
+		fi
+		;;
+	      *)
+		newdeplibs="$newdeplibs $i"
+		;;
+	      esac
+	    done
+	  else
+	    # Error occurred in the first compile.  Let's try to salvage
+	    # the situation: Compile a separate program for each library.
+	    for i in $deplibs; do
+	      case $i in
+	      -l*)
+		func_stripname -l '' "$i"
+		name=$func_stripname_result
+		$opt_dry_run || $RM conftest
+		if $LTCC $LTCFLAGS -o conftest conftest.c $i; then
+		  ldd_output=`ldd conftest`
+		  if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+		    case " $predeps $postdeps " in
+		    *" $i "*)
+		      newdeplibs="$newdeplibs $i"
+		      i=""
+		      ;;
+		    esac
+		  fi
+		  if test -n "$i" ; then
+		    libname=`eval "\\$ECHO \"$libname_spec\""`
+		    deplib_matches=`eval "\\$ECHO \"$library_names_spec\""`
+		    set dummy $deplib_matches; shift
+		    deplib_match=$1
+		    if test `expr "$ldd_output" : ".*$deplib_match"` -ne 0 ; then
+		      newdeplibs="$newdeplibs $i"
+		    else
+		      droppeddeps=yes
+		      $ECHO
+		      $ECHO "*** Warning: dynamic linker does not accept needed library $i."
+		      $ECHO "*** I have the capability to make that library automatically link in when"
+		      $ECHO "*** you link to this library.  But I can only do this if you have a"
+		      $ECHO "*** shared version of the library, which you do not appear to have"
+		      $ECHO "*** because a test_compile did reveal that the linker did not use this one"
+		      $ECHO "*** as a dynamic dependency that programs can get resolved with at runtime."
+		    fi
+		  fi
+		else
+		  droppeddeps=yes
+		  $ECHO
+		  $ECHO "*** Warning!  Library $i is needed by this library but I was not able to"
+		  $ECHO "*** make it link in!  You will probably need to install it or some"
+		  $ECHO "*** library that it depends on before this library will be fully"
+		  $ECHO "*** functional.  Installing it before continuing would be even better."
+		fi
+		;;
+	      *)
+		newdeplibs="$newdeplibs $i"
+		;;
+	      esac
+	    done
+	  fi
+	  ;;
+	file_magic*)
+	  set dummy $deplibs_check_method; shift
+	  file_magic_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"`
+	  for a_deplib in $deplibs; do
+	    case $a_deplib in
+	    -l*)
+	      func_stripname -l '' "$a_deplib"
+	      name=$func_stripname_result
+	      if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+		case " $predeps $postdeps " in
+		*" $a_deplib "*)
+		  newdeplibs="$newdeplibs $a_deplib"
+		  a_deplib=""
+		  ;;
+		esac
+	      fi
+	      if test -n "$a_deplib" ; then
+		libname=`eval "\\$ECHO \"$libname_spec\""`
+		for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do
+		  potential_libs=`ls $i/$libname[.-]* 2>/dev/null`
+		  for potent_lib in $potential_libs; do
+		      # Follow soft links.
+		      if ls -lLd "$potent_lib" 2>/dev/null |
+			 $GREP " -> " >/dev/null; then
+			continue
+		      fi
+		      # The statement above tries to avoid entering an
+		      # endless loop below, in case of cyclic links.
+		      # We might still enter an endless loop, since a link
+		      # loop can be closed while we follow links,
+		      # but so what?
+		      potlib="$potent_lib"
+		      while test -h "$potlib" 2>/dev/null; do
+			potliblink=`ls -ld $potlib | ${SED} 's/.* -> //'`
+			case $potliblink in
+			[\\/]* | [A-Za-z]:[\\/]*) potlib="$potliblink";;
+			*) potlib=`$ECHO "X$potlib" | $Xsed -e 's,[^/]*$,,'`"$potliblink";;
+			esac
+		      done
+		      if eval $file_magic_cmd \"\$potlib\" 2>/dev/null |
+			 $SED -e 10q |
+			 $EGREP "$file_magic_regex" > /dev/null; then
+			newdeplibs="$newdeplibs $a_deplib"
+			a_deplib=""
+			break 2
+		      fi
+		  done
+		done
+	      fi
+	      if test -n "$a_deplib" ; then
+		droppeddeps=yes
+		$ECHO
+		$ECHO "*** Warning: linker path does not have real file for library $a_deplib."
+		$ECHO "*** I have the capability to make that library automatically link in when"
+		$ECHO "*** you link to this library.  But I can only do this if you have a"
+		$ECHO "*** shared version of the library, which you do not appear to have"
+		$ECHO "*** because I did check the linker path looking for a file starting"
+		if test -z "$potlib" ; then
+		  $ECHO "*** with $libname but no candidates were found. (...for file magic test)"
+		else
+		  $ECHO "*** with $libname and none of the candidates passed a file format test"
+		  $ECHO "*** using a file magic. Last file checked: $potlib"
+		fi
+	      fi
+	      ;;
+	    *)
+	      # Add a -L argument.
+	      newdeplibs="$newdeplibs $a_deplib"
+	      ;;
+	    esac
+	  done # Gone through all deplibs.
+	  ;;
+	match_pattern*)
+	  set dummy $deplibs_check_method; shift
+	  match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"`
+	  for a_deplib in $deplibs; do
+	    case $a_deplib in
+	    -l*)
+	      func_stripname -l '' "$a_deplib"
+	      name=$func_stripname_result
+	      if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+		case " $predeps $postdeps " in
+		*" $a_deplib "*)
+		  newdeplibs="$newdeplibs $a_deplib"
+		  a_deplib=""
+		  ;;
+		esac
+	      fi
+	      if test -n "$a_deplib" ; then
+		libname=`eval "\\$ECHO \"$libname_spec\""`
+		for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do
+		  potential_libs=`ls $i/$libname[.-]* 2>/dev/null`
+		  for potent_lib in $potential_libs; do
+		    potlib="$potent_lib" # see symlink-check above in file_magic test
+		    if eval "\$ECHO \"X$potent_lib\"" 2>/dev/null | $Xsed -e 10q | \
+		       $EGREP "$match_pattern_regex" > /dev/null; then
+		      newdeplibs="$newdeplibs $a_deplib"
+		      a_deplib=""
+		      break 2
+		    fi
+		  done
+		done
+	      fi
+	      if test -n "$a_deplib" ; then
+		droppeddeps=yes
+		$ECHO
+		$ECHO "*** Warning: linker path does not have real file for library $a_deplib."
+		$ECHO "*** I have the capability to make that library automatically link in when"
+		$ECHO "*** you link to this library.  But I can only do this if you have a"
+		$ECHO "*** shared version of the library, which you do not appear to have"
+		$ECHO "*** because I did check the linker path looking for a file starting"
+		if test -z "$potlib" ; then
+		  $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)"
+		else
+		  $ECHO "*** with $libname and none of the candidates passed a file format test"
+		  $ECHO "*** using a regex pattern. Last file checked: $potlib"
+		fi
+	      fi
+	      ;;
+	    *)
+	      # Add a -L argument.
+	      newdeplibs="$newdeplibs $a_deplib"
+	      ;;
+	    esac
+	  done # Gone through all deplibs.
+	  ;;
+	none | unknown | *)
+	  newdeplibs=""
+	  tmp_deplibs=`$ECHO "X $deplibs" | $Xsed \
+	      -e 's/ -lc$//' -e 's/ -[LR][^ ]*//g'`
+	  if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+	    for i in $predeps $postdeps ; do
+	      # can't use Xsed below, because $i might contain '/'
+	      tmp_deplibs=`$ECHO "X $tmp_deplibs" | $Xsed -e "s,$i,,"`
+	    done
+	  fi
+	  if $ECHO "X $tmp_deplibs" | $Xsed -e 's/[	 ]//g' |
+	     $GREP . >/dev/null; then
+	    $ECHO
+	    if test "X$deplibs_check_method" = "Xnone"; then
+	      $ECHO "*** Warning: inter-library dependencies are not supported in this platform."
+	    else
+	      $ECHO "*** Warning: inter-library dependencies are not known to be supported."
+	    fi
+	    $ECHO "*** All declared inter-library dependencies are being dropped."
+	    droppeddeps=yes
+	  fi
+	  ;;
+	esac
+	versuffix=$versuffix_save
+	major=$major_save
+	release=$release_save
+	libname=$libname_save
+	name=$name_save
+
+	case $host in
+	*-*-rhapsody* | *-*-darwin1.[012])
+	  # On Rhapsody replace the C library with the System framework
+	  newdeplibs=`$ECHO "X $newdeplibs" | $Xsed -e 's/ -lc / System.ltframework /'`
+	  ;;
+	esac
+
+	if test "$droppeddeps" = yes; then
+	  if test "$module" = yes; then
+	    $ECHO
+	    $ECHO "*** Warning: libtool could not satisfy all declared inter-library"
+	    $ECHO "*** dependencies of module $libname.  Therefore, libtool will create"
+	    $ECHO "*** a static module, that should work as long as the dlopening"
+	    $ECHO "*** application is linked with the -dlopen flag."
+	    if test -z "$global_symbol_pipe"; then
+	      $ECHO
+	      $ECHO "*** However, this would only work if libtool was able to extract symbol"
+	      $ECHO "*** lists from a program, using \`nm' or equivalent, but libtool could"
+	      $ECHO "*** not find such a program.  So, this module is probably useless."
+	      $ECHO "*** \`nm' from GNU binutils and a full rebuild may help."
+	    fi
+	    if test "$build_old_libs" = no; then
+	      oldlibs="$output_objdir/$libname.$libext"
+	      build_libtool_libs=module
+	      build_old_libs=yes
+	    else
+	      build_libtool_libs=no
+	    fi
+	  else
+	    $ECHO "*** The inter-library dependencies that have been dropped here will be"
+	    $ECHO "*** automatically added whenever a program is linked with this library"
+	    $ECHO "*** or is declared to -dlopen it."
+
+	    if test "$allow_undefined" = no; then
+	      $ECHO
+	      $ECHO "*** Since this library must not contain undefined symbols,"
+	      $ECHO "*** because either the platform does not support them or"
+	      $ECHO "*** it was explicitly requested with -no-undefined,"
+	      $ECHO "*** libtool will only create a static version of it."
+	      if test "$build_old_libs" = no; then
+		oldlibs="$output_objdir/$libname.$libext"
+		build_libtool_libs=module
+		build_old_libs=yes
+	      else
+		build_libtool_libs=no
+	      fi
+	    fi
+	  fi
+	fi
+	# Done checking deplibs!
+	deplibs=$newdeplibs
+      fi
+      # Time to change all our "foo.ltframework" stuff back to "-framework foo"
+      case $host in
+	*-*-darwin*)
+	  newdeplibs=`$ECHO "X $newdeplibs" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'`
+	  new_inherited_linker_flags=`$ECHO "X $new_inherited_linker_flags" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'`
+	  deplibs=`$ECHO "X $deplibs" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'`
+	  ;;
+      esac
+
+      # move library search paths that coincide with paths to not yet
+      # installed libraries to the beginning of the library search list
+      new_libs=
+      for path in $notinst_path; do
+	case " $new_libs " in
+	*" -L$path/$objdir "*) ;;
+	*)
+	  case " $deplibs " in
+	  *" -L$path/$objdir "*)
+	    new_libs="$new_libs -L$path/$objdir" ;;
+	  esac
+	  ;;
+	esac
+      done
+      for deplib in $deplibs; do
+	case $deplib in
+	-L*)
+	  case " $new_libs " in
+	  *" $deplib "*) ;;
+	  *) new_libs="$new_libs $deplib" ;;
+	  esac
+	  ;;
+	*) new_libs="$new_libs $deplib" ;;
+	esac
+      done
+      deplibs="$new_libs"
+
+      # All the library-specific variables (install_libdir is set above).
+      library_names=
+      old_library=
+      dlname=
+
+      # Test again, we may have decided not to build it any more
+      if test "$build_libtool_libs" = yes; then
+	if test "$hardcode_into_libs" = yes; then
+	  # Hardcode the library paths
+	  hardcode_libdirs=
+	  dep_rpath=
+	  rpath="$finalize_rpath"
+	  test "$mode" != relink && rpath="$compile_rpath$rpath"
+	  for libdir in $rpath; do
+	    if test -n "$hardcode_libdir_flag_spec"; then
+	      if test -n "$hardcode_libdir_separator"; then
+		if test -z "$hardcode_libdirs"; then
+		  hardcode_libdirs="$libdir"
+		else
+		  # Just accumulate the unique libdirs.
+		  case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
+		  *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
+		    ;;
+		  *)
+		    hardcode_libdirs="$hardcode_libdirs$hardcode_libdir_separator$libdir"
+		    ;;
+		  esac
+		fi
+	      else
+		eval flag=\"$hardcode_libdir_flag_spec\"
+		dep_rpath="$dep_rpath $flag"
+	      fi
+	    elif test -n "$runpath_var"; then
+	      case "$perm_rpath " in
+	      *" $libdir "*) ;;
+	      *) perm_rpath="$perm_rpath $libdir" ;;
+	      esac
+	    fi
+	  done
+	  # Substitute the hardcoded libdirs into the rpath.
+	  if test -n "$hardcode_libdir_separator" &&
+	     test -n "$hardcode_libdirs"; then
+	    libdir="$hardcode_libdirs"
+	    if test -n "$hardcode_libdir_flag_spec_ld"; then
+	      eval dep_rpath=\"$hardcode_libdir_flag_spec_ld\"
+	    else
+	      eval dep_rpath=\"$hardcode_libdir_flag_spec\"
+	    fi
+	  fi
+	  if test -n "$runpath_var" && test -n "$perm_rpath"; then
+	    # We should set the runpath_var.
+	    rpath=
+	    for dir in $perm_rpath; do
+	      rpath="$rpath$dir:"
+	    done
+	    eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var"
+	  fi
+	  test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs"
+	fi
+
+	shlibpath="$finalize_shlibpath"
+	test "$mode" != relink && shlibpath="$compile_shlibpath$shlibpath"
+	if test -n "$shlibpath"; then
+	  eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var"
+	fi
+
+	# Get the real and link names of the library.
+	eval shared_ext=\"$shrext_cmds\"
+	eval library_names=\"$library_names_spec\"
+	set dummy $library_names
+	shift
+	realname="$1"
+	shift
+
+	if test -n "$soname_spec"; then
+	  eval soname=\"$soname_spec\"
+	else
+	  soname="$realname"
+	fi
+	if test -z "$dlname"; then
+	  dlname=$soname
+	fi
+
+	lib="$output_objdir/$realname"
+	linknames=
+	for link
+	do
+	  linknames="$linknames $link"
+	done
+
+	# Use standard objects if they are pic
+	test -z "$pic_flag" && libobjs=`$ECHO "X$libobjs" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP`
+	test "X$libobjs" = "X " && libobjs=
+
+	delfiles=
+	if test -n "$export_symbols" && test -n "$include_expsyms"; then
+	  $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp"
+	  export_symbols="$output_objdir/$libname.uexp"
+	  delfiles="$delfiles $export_symbols"
+	fi
+
+	orig_export_symbols=
+	case $host_os in
+	cygwin* | mingw*)
+	  if test -n "$export_symbols" && test -z "$export_symbols_regex"; then
+	    # exporting using user supplied symfile
+	    if test "x`$SED 1q $export_symbols`" != xEXPORTS; then
+	      # and it's NOT already a .def file. Must figure out
+	      # which of the given symbols are data symbols and tag
+	      # them as such. So, trigger use of export_symbols_cmds.
+	      # export_symbols gets reassigned inside the "prepare
+	      # the list of exported symbols" if statement, so the
+	      # include_expsyms logic still works.
+	      orig_export_symbols="$export_symbols"
+	      export_symbols=
+	      always_export_symbols=yes
+	    fi
+	  fi
+	  ;;
+	esac
+
+	# Prepare the list of exported symbols
+	if test -z "$export_symbols"; then
+	  if test "$always_export_symbols" = yes || test -n "$export_symbols_regex"; then
+	    func_verbose "generating symbol list for \`$libname.la'"
+	    export_symbols="$output_objdir/$libname.exp"
+	    $opt_dry_run || $RM $export_symbols
+	    cmds=$export_symbols_cmds
+	    save_ifs="$IFS"; IFS='~'
+	    for cmd in $cmds; do
+	      IFS="$save_ifs"
+	      eval cmd=\"$cmd\"
+	      func_len " $cmd"
+	      len=$func_len_result
+	      if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then
+		func_show_eval "$cmd" 'exit $?'
+		skipped_export=false
+	      else
+		# The command line is too long to execute in one step.
+		func_verbose "using reloadable object file for export list..."
+		skipped_export=:
+		# Break out early, otherwise skipped_export may be
+		# set to false by a later but shorter cmd.
+		break
+	      fi
+	    done
+	    IFS="$save_ifs"
+	    if test -n "$export_symbols_regex" && test "X$skipped_export" != "X:"; then
+	      func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"'
+	      func_show_eval '$MV "${export_symbols}T" "$export_symbols"'
+	    fi
+	  fi
+	fi
+
+	if test -n "$export_symbols" && test -n "$include_expsyms"; then
+	  tmp_export_symbols="$export_symbols"
+	  test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols"
+	  $opt_dry_run || eval '$ECHO "X$include_expsyms" | $Xsed | $SP2NL >> "$tmp_export_symbols"'
+	fi
+
+	if test "X$skipped_export" != "X:" && test -n "$orig_export_symbols"; then
+	  # The given exports_symbols file has to be filtered, so filter it.
+	  func_verbose "filter symbol list for \`$libname.la' to tag DATA exports"
+	  # FIXME: $output_objdir/$libname.filter potentially contains lots of
+	  # 's' commands which not all seds can handle. GNU sed should be fine
+	  # though. Also, the filter scales superlinearly with the number of
+	  # global variables. join(1) would be nice here, but unfortunately
+	  # isn't a blessed tool.
+	  $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter
+	  delfiles="$delfiles $export_symbols $output_objdir/$libname.filter"
+	  export_symbols=$output_objdir/$libname.def
+	  $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols
+	fi
+
+	tmp_deplibs=
+	for test_deplib in $deplibs; do
+	  case " $convenience " in
+	  *" $test_deplib "*) ;;
+	  *)
+	    tmp_deplibs="$tmp_deplibs $test_deplib"
+	    ;;
+	  esac
+	done
+	deplibs="$tmp_deplibs"
+
+	if test -n "$convenience"; then
+	  if test -n "$whole_archive_flag_spec" &&
+	    test "$compiler_needs_object" = yes &&
+	    test -z "$libobjs"; then
+	    # extract the archives, so we have objects to list.
+	    # TODO: could optimize this to just extract one archive.
+	    whole_archive_flag_spec=
+	  fi
+	  if test -n "$whole_archive_flag_spec"; then
+	    save_libobjs=$libobjs
+	    eval libobjs=\"\$libobjs $whole_archive_flag_spec\"
+	    test "X$libobjs" = "X " && libobjs=
+	  else
+	    gentop="$output_objdir/${outputname}x"
+	    generated="$generated $gentop"
+
+	    func_extract_archives $gentop $convenience
+	    libobjs="$libobjs $func_extract_archives_result"
+	    test "X$libobjs" = "X " && libobjs=
+	  fi
+	fi
+
+	if test "$thread_safe" = yes && test -n "$thread_safe_flag_spec"; then
+	  eval flag=\"$thread_safe_flag_spec\"
+	  linker_flags="$linker_flags $flag"
+	fi
+
+	# Make a backup of the uninstalled library when relinking
+	if test "$mode" = relink; then
+	  $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $?
+	fi
+
+	# Do each of the archive commands.
+	if test "$module" = yes && test -n "$module_cmds" ; then
+	  if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then
+	    eval test_cmds=\"$module_expsym_cmds\"
+	    cmds=$module_expsym_cmds
+	  else
+	    eval test_cmds=\"$module_cmds\"
+	    cmds=$module_cmds
+	  fi
+	else
+	  if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then
+	    eval test_cmds=\"$archive_expsym_cmds\"
+	    cmds=$archive_expsym_cmds
+	  else
+	    eval test_cmds=\"$archive_cmds\"
+	    cmds=$archive_cmds
+	  fi
+	fi
+
+	if test "X$skipped_export" != "X:" &&
+	   func_len " $test_cmds" &&
+	   len=$func_len_result &&
+	   test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then
+	  :
+	else
+	  # The command line is too long to link in one step, link piecewise
+	  # or, if using GNU ld and skipped_export is not :, use a linker
+	  # script.
+
+	  # Save the value of $output and $libobjs because we want to
+	  # use them later.  If we have whole_archive_flag_spec, we
+	  # want to use save_libobjs as it was before
+	  # whole_archive_flag_spec was expanded, because we can't
+	  # assume the linker understands whole_archive_flag_spec.
+	  # This may have to be revisited, in case too many
+	  # convenience libraries get linked in and end up exceeding
+	  # the spec.
+	  if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then
+	    save_libobjs=$libobjs
+	  fi
+	  save_output=$output
+	  output_la=`$ECHO "X$output" | $Xsed -e "$basename"`
+
+	  # Clear the reloadable object creation command queue and
+	  # initialize k to one.
+	  test_cmds=
+	  concat_cmds=
+	  objlist=
+	  last_robj=
+	  k=1
+
+	  if test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "$with_gnu_ld" = yes; then
+	    output=${output_objdir}/${output_la}.lnkscript
+	    func_verbose "creating GNU ld script: $output"
+	    $ECHO 'INPUT (' > $output
+	    for obj in $save_libobjs
+	    do
+	      $ECHO "$obj" >> $output
+	    done
+	    $ECHO ')' >> $output
+	    delfiles="$delfiles $output"
+	  elif test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "X$file_list_spec" != X; then
+	    output=${output_objdir}/${output_la}.lnk
+	    func_verbose "creating linker input file list: $output"
+	    : > $output
+	    set x $save_libobjs
+	    shift
+	    firstobj=
+	    if test "$compiler_needs_object" = yes; then
+	      firstobj="$1 "
+	      shift
+	    fi
+	    for obj
+	    do
+	      $ECHO "$obj" >> $output
+	    done
+	    delfiles="$delfiles $output"
+	    output=$firstobj\"$file_list_spec$output\"
+	  else
+	    if test -n "$save_libobjs"; then
+	      func_verbose "creating reloadable object files..."
+	      output=$output_objdir/$output_la-${k}.$objext
+	      eval test_cmds=\"$reload_cmds\"
+	      func_len " $test_cmds"
+	      len0=$func_len_result
+	      len=$len0
+
+	      # Loop over the list of objects to be linked.
+	      for obj in $save_libobjs
+	      do
+		func_len " $obj"
+		func_arith $len + $func_len_result
+		len=$func_arith_result
+		if test "X$objlist" = X ||
+		   test "$len" -lt "$max_cmd_len"; then
+		  func_append objlist " $obj"
+		else
+		  # The command $test_cmds is almost too long, add a
+		  # command to the queue.
+		  if test "$k" -eq 1 ; then
+		    # The first file doesn't have a previous command to add.
+		    eval concat_cmds=\"$reload_cmds $objlist $last_robj\"
+		  else
+		    # All subsequent reloadable object files will link in
+		    # the last one created.
+		    eval concat_cmds=\"\$concat_cmds~$reload_cmds $objlist $last_robj~\$RM $last_robj\"
+		  fi
+		  last_robj=$output_objdir/$output_la-${k}.$objext
+		  func_arith $k + 1
+		  k=$func_arith_result
+		  output=$output_objdir/$output_la-${k}.$objext
+		  objlist=$obj
+		  func_len " $last_robj"
+		  func_arith $len0 + $func_len_result
+		  len=$func_arith_result
+		fi
+	      done
+	      # Handle the remaining objects by creating one last
+	      # reloadable object file.  All subsequent reloadable object
+	      # files will link in the last one created.
+	      test -z "$concat_cmds" || concat_cmds=$concat_cmds~
+	      eval concat_cmds=\"\${concat_cmds}$reload_cmds $objlist $last_robj\"
+	      if test -n "$last_robj"; then
+	        eval concat_cmds=\"\${concat_cmds}~\$RM $last_robj\"
+	      fi
+	      delfiles="$delfiles $output"
+
+	    else
+	      output=
+	    fi
+
+	    if ${skipped_export-false}; then
+	      func_verbose "generating symbol list for \`$libname.la'"
+	      export_symbols="$output_objdir/$libname.exp"
+	      $opt_dry_run || $RM $export_symbols
+	      libobjs=$output
+	      # Append the command to create the export file.
+	      test -z "$concat_cmds" || concat_cmds=$concat_cmds~
+	      eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\"
+	      if test -n "$last_robj"; then
+		eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\"
+	      fi
+	    fi
+
+	    test -n "$save_libobjs" &&
+	      func_verbose "creating a temporary reloadable object file: $output"
+
+	    # Loop through the commands generated above and execute them.
+	    save_ifs="$IFS"; IFS='~'
+	    for cmd in $concat_cmds; do
+	      IFS="$save_ifs"
+	      $opt_silent || {
+		  func_quote_for_expand "$cmd"
+		  eval "func_echo $func_quote_for_expand_result"
+	      }
+	      $opt_dry_run || eval "$cmd" || {
+		lt_exit=$?
+
+		# Restore the uninstalled library and exit
+		if test "$mode" = relink; then
+		  ( cd "$output_objdir" && \
+		    $RM "${realname}T" && \
+		    $MV "${realname}U" "$realname" )
+		fi
+
+		exit $lt_exit
+	      }
+	    done
+	    IFS="$save_ifs"
+
+	    if test -n "$export_symbols_regex" && ${skipped_export-false}; then
+	      func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"'
+	      func_show_eval '$MV "${export_symbols}T" "$export_symbols"'
+	    fi
+	  fi
+
+          if ${skipped_export-false}; then
+	    if test -n "$export_symbols" && test -n "$include_expsyms"; then
+	      tmp_export_symbols="$export_symbols"
+	      test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols"
+	      $opt_dry_run || eval '$ECHO "X$include_expsyms" | $Xsed | $SP2NL >> "$tmp_export_symbols"'
+	    fi
+
+	    if test -n "$orig_export_symbols"; then
+	      # The given exports_symbols file has to be filtered, so filter it.
+	      func_verbose "filter symbol list for \`$libname.la' to tag DATA exports"
+	      # FIXME: $output_objdir/$libname.filter potentially contains lots of
+	      # 's' commands which not all seds can handle. GNU sed should be fine
+	      # though. Also, the filter scales superlinearly with the number of
+	      # global variables. join(1) would be nice here, but unfortunately
+	      # isn't a blessed tool.
+	      $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter
+	      delfiles="$delfiles $export_symbols $output_objdir/$libname.filter"
+	      export_symbols=$output_objdir/$libname.def
+	      $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols
+	    fi
+	  fi
+
+	  libobjs=$output
+	  # Restore the value of output.
+	  output=$save_output
+
+	  if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then
+	    eval libobjs=\"\$libobjs $whole_archive_flag_spec\"
+	    test "X$libobjs" = "X " && libobjs=
+	  fi
+	  # Expand the library linking commands again to reset the
+	  # value of $libobjs for piecewise linking.
+
+	  # Do each of the archive commands.
+	  if test "$module" = yes && test -n "$module_cmds" ; then
+	    if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then
+	      cmds=$module_expsym_cmds
+	    else
+	      cmds=$module_cmds
+	    fi
+	  else
+	    if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then
+	      cmds=$archive_expsym_cmds
+	    else
+	      cmds=$archive_cmds
+	    fi
+	  fi
+	fi
+
+	if test -n "$delfiles"; then
+	  # Append the command to remove temporary files to $cmds.
+	  eval cmds=\"\$cmds~\$RM $delfiles\"
+	fi
+
+	# Add any objects from preloaded convenience libraries
+	if test -n "$dlprefiles"; then
+	  gentop="$output_objdir/${outputname}x"
+	  generated="$generated $gentop"
+
+	  func_extract_archives $gentop $dlprefiles
+	  libobjs="$libobjs $func_extract_archives_result"
+	  test "X$libobjs" = "X " && libobjs=
+	fi
+
+	save_ifs="$IFS"; IFS='~'
+	for cmd in $cmds; do
+	  IFS="$save_ifs"
+	  eval cmd=\"$cmd\"
+	  $opt_silent || {
+	    func_quote_for_expand "$cmd"
+	    eval "func_echo $func_quote_for_expand_result"
+	  }
+	  $opt_dry_run || eval "$cmd" || {
+	    lt_exit=$?
+
+	    # Restore the uninstalled library and exit
+	    if test "$mode" = relink; then
+	      ( cd "$output_objdir" && \
+	        $RM "${realname}T" && \
+		$MV "${realname}U" "$realname" )
+	    fi
+
+	    exit $lt_exit
+	  }
+	done
+	IFS="$save_ifs"
+
+	# Restore the uninstalled library and exit
+	if test "$mode" = relink; then
+	  $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $?
+
+	  if test -n "$convenience"; then
+	    if test -z "$whole_archive_flag_spec"; then
+	      func_show_eval '${RM}r "$gentop"'
+	    fi
+	  fi
+
+	  exit $EXIT_SUCCESS
+	fi
+
+	# Create links to the real library.
+	for linkname in $linknames; do
+	  if test "$realname" != "$linkname"; then
+	    func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?'
+	  fi
+	done
+
+	# If -module or -export-dynamic was specified, set the dlname.
+	if test "$module" = yes || test "$export_dynamic" = yes; then
+	  # On all known operating systems, these are identical.
+	  dlname="$soname"
+	fi
+      fi
+      ;;
+
+    obj)
+      if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then
+	func_warning "\`-dlopen' is ignored for objects"
+      fi
+
+      case " $deplibs" in
+      *\ -l* | *\ -L*)
+	func_warning "\`-l' and \`-L' are ignored for objects" ;;
+      esac
+
+      test -n "$rpath" && \
+	func_warning "\`-rpath' is ignored for objects"
+
+      test -n "$xrpath" && \
+	func_warning "\`-R' is ignored for objects"
+
+      test -n "$vinfo" && \
+	func_warning "\`-version-info' is ignored for objects"
+
+      test -n "$release" && \
+	func_warning "\`-release' is ignored for objects"
+
+      case $output in
+      *.lo)
+	test -n "$objs$old_deplibs" && \
+	  func_fatal_error "cannot build library object \`$output' from non-libtool objects"
+
+	libobj=$output
+	func_lo2o "$libobj"
+	obj=$func_lo2o_result
+	;;
+      *)
+	libobj=
+	obj="$output"
+	;;
+      esac
+
+      # Delete the old objects.
+      $opt_dry_run || $RM $obj $libobj
+
+      # Objects from convenience libraries.  This assumes
+      # single-version convenience libraries.  Whenever we create
+      # different ones for PIC/non-PIC, this we'll have to duplicate
+      # the extraction.
+      reload_conv_objs=
+      gentop=
+      # reload_cmds runs $LD directly, so let us get rid of
+      # -Wl from whole_archive_flag_spec and hope we can get by with
+      # turning comma into space..
+      wl=
+
+      if test -n "$convenience"; then
+	if test -n "$whole_archive_flag_spec"; then
+	  eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\"
+	  reload_conv_objs=$reload_objs\ `$ECHO "X$tmp_whole_archive_flags" | $Xsed -e 's|,| |g'`
+	else
+	  gentop="$output_objdir/${obj}x"
+	  generated="$generated $gentop"
+
+	  func_extract_archives $gentop $convenience
+	  reload_conv_objs="$reload_objs $func_extract_archives_result"
+	fi
+      fi
+
+      # Create the old-style object.
+      reload_objs="$objs$old_deplibs "`$ECHO "X$libobjs" | $SP2NL | $Xsed -e '/\.'${libext}$'/d' -e '/\.lib$/d' -e "$lo2o" | $NL2SP`" $reload_conv_objs" ### testsuite: skip nested quoting test
+
+      output="$obj"
+      func_execute_cmds "$reload_cmds" 'exit $?'
+
+      # Exit if we aren't doing a library object file.
+      if test -z "$libobj"; then
+	if test -n "$gentop"; then
+	  func_show_eval '${RM}r "$gentop"'
+	fi
+
+	exit $EXIT_SUCCESS
+      fi
+
+      if test "$build_libtool_libs" != yes; then
+	if test -n "$gentop"; then
+	  func_show_eval '${RM}r "$gentop"'
+	fi
+
+	# Create an invalid libtool object if no PIC, so that we don't
+	# accidentally link it into a program.
+	# $show "echo timestamp > $libobj"
+	# $opt_dry_run || eval "echo timestamp > $libobj" || exit $?
+	exit $EXIT_SUCCESS
+      fi
+
+      if test -n "$pic_flag" || test "$pic_mode" != default; then
+	# Only do commands if we really have different PIC objects.
+	reload_objs="$libobjs $reload_conv_objs"
+	output="$libobj"
+	func_execute_cmds "$reload_cmds" 'exit $?'
+      fi
+
+      if test -n "$gentop"; then
+	func_show_eval '${RM}r "$gentop"'
+      fi
+
+      exit $EXIT_SUCCESS
+      ;;
+
+    prog)
+      case $host in
+	*cygwin*) func_stripname '' '.exe' "$output"
+	          output=$func_stripname_result.exe;;
+      esac
+      test -n "$vinfo" && \
+	func_warning "\`-version-info' is ignored for programs"
+
+      test -n "$release" && \
+	func_warning "\`-release' is ignored for programs"
+
+      test "$preload" = yes \
+        && test "$dlopen_support" = unknown \
+	&& test "$dlopen_self" = unknown \
+	&& test "$dlopen_self_static" = unknown && \
+	  func_warning "\`LT_INIT([dlopen])' not used. Assuming no dlopen support."
+
+      case $host in
+      *-*-rhapsody* | *-*-darwin1.[012])
+	# On Rhapsody replace the C library is the System framework
+	compile_deplibs=`$ECHO "X $compile_deplibs" | $Xsed -e 's/ -lc / System.ltframework /'`
+	finalize_deplibs=`$ECHO "X $finalize_deplibs" | $Xsed -e 's/ -lc / System.ltframework /'`
+	;;
+      esac
+
+      case $host in
+      *-*-darwin*)
+	# Don't allow lazy linking, it breaks C++ global constructors
+	# But is supposedly fixed on 10.4 or later (yay!).
+	if test "$tagname" = CXX ; then
+	  case ${MACOSX_DEPLOYMENT_TARGET-10.0} in
+	    10.[0123])
+	      compile_command="$compile_command ${wl}-bind_at_load"
+	      finalize_command="$finalize_command ${wl}-bind_at_load"
+	    ;;
+	  esac
+	fi
+	# Time to change all our "foo.ltframework" stuff back to "-framework foo"
+	compile_deplibs=`$ECHO "X $compile_deplibs" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'`
+	finalize_deplibs=`$ECHO "X $finalize_deplibs" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'`
+	;;
+      esac
+
+
+      # move library search paths that coincide with paths to not yet
+      # installed libraries to the beginning of the library search list
+      new_libs=
+      for path in $notinst_path; do
+	case " $new_libs " in
+	*" -L$path/$objdir "*) ;;
+	*)
+	  case " $compile_deplibs " in
+	  *" -L$path/$objdir "*)
+	    new_libs="$new_libs -L$path/$objdir" ;;
+	  esac
+	  ;;
+	esac
+      done
+      for deplib in $compile_deplibs; do
+	case $deplib in
+	-L*)
+	  case " $new_libs " in
+	  *" $deplib "*) ;;
+	  *) new_libs="$new_libs $deplib" ;;
+	  esac
+	  ;;
+	*) new_libs="$new_libs $deplib" ;;
+	esac
+      done
+      compile_deplibs="$new_libs"
+
+
+      compile_command="$compile_command $compile_deplibs"
+      finalize_command="$finalize_command $finalize_deplibs"
+
+      if test -n "$rpath$xrpath"; then
+	# If the user specified any rpath flags, then add them.
+	for libdir in $rpath $xrpath; do
+	  # This is the magic to use -rpath.
+	  case "$finalize_rpath " in
+	  *" $libdir "*) ;;
+	  *) finalize_rpath="$finalize_rpath $libdir" ;;
+	  esac
+	done
+      fi
+
+      # Now hardcode the library paths
+      rpath=
+      hardcode_libdirs=
+      for libdir in $compile_rpath $finalize_rpath; do
+	if test -n "$hardcode_libdir_flag_spec"; then
+	  if test -n "$hardcode_libdir_separator"; then
+	    if test -z "$hardcode_libdirs"; then
+	      hardcode_libdirs="$libdir"
+	    else
+	      # Just accumulate the unique libdirs.
+	      case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
+	      *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
+		;;
+	      *)
+		hardcode_libdirs="$hardcode_libdirs$hardcode_libdir_separator$libdir"
+		;;
+	      esac
+	    fi
+	  else
+	    eval flag=\"$hardcode_libdir_flag_spec\"
+	    rpath="$rpath $flag"
+	  fi
+	elif test -n "$runpath_var"; then
+	  case "$perm_rpath " in
+	  *" $libdir "*) ;;
+	  *) perm_rpath="$perm_rpath $libdir" ;;
+	  esac
+	fi
+	case $host in
+	*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2*)
+	  testbindir=`${ECHO} "$libdir" | ${SED} -e 's*/lib$*/bin*'`
+	  case :$dllsearchpath: in
+	  *":$libdir:"*) ;;
+	  *) dllsearchpath="$dllsearchpath:$libdir";;
+	  esac
+	  case :$dllsearchpath: in
+	  *":$testbindir:"*) ;;
+	  *) dllsearchpath="$dllsearchpath:$testbindir";;
+	  esac
+	  ;;
+	esac
+      done
+      # Substitute the hardcoded libdirs into the rpath.
+      if test -n "$hardcode_libdir_separator" &&
+	 test -n "$hardcode_libdirs"; then
+	libdir="$hardcode_libdirs"
+	eval rpath=\" $hardcode_libdir_flag_spec\"
+      fi
+      compile_rpath="$rpath"
+
+      rpath=
+      hardcode_libdirs=
+      for libdir in $finalize_rpath; do
+	if test -n "$hardcode_libdir_flag_spec"; then
+	  if test -n "$hardcode_libdir_separator"; then
+	    if test -z "$hardcode_libdirs"; then
+	      hardcode_libdirs="$libdir"
+	    else
+	      # Just accumulate the unique libdirs.
+	      case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
+	      *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
+		;;
+	      *)
+		hardcode_libdirs="$hardcode_libdirs$hardcode_libdir_separator$libdir"
+		;;
+	      esac
+	    fi
+	  else
+	    eval flag=\"$hardcode_libdir_flag_spec\"
+	    rpath="$rpath $flag"
+	  fi
+	elif test -n "$runpath_var"; then
+	  case "$finalize_perm_rpath " in
+	  *" $libdir "*) ;;
+	  *) finalize_perm_rpath="$finalize_perm_rpath $libdir" ;;
+	  esac
+	fi
+      done
+      # Substitute the hardcoded libdirs into the rpath.
+      if test -n "$hardcode_libdir_separator" &&
+	 test -n "$hardcode_libdirs"; then
+	libdir="$hardcode_libdirs"
+	eval rpath=\" $hardcode_libdir_flag_spec\"
+      fi
+      finalize_rpath="$rpath"
+
+      if test -n "$libobjs" && test "$build_old_libs" = yes; then
+	# Transform all the library objects into standard objects.
+	compile_command=`$ECHO "X$compile_command" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP`
+	finalize_command=`$ECHO "X$finalize_command" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP`
+      fi
+
+      func_generate_dlsyms "$outputname" "@PROGRAM@" "no"
+
+      # template prelinking step
+      if test -n "$prelink_cmds"; then
+	func_execute_cmds "$prelink_cmds" 'exit $?'
+      fi
+
+      wrappers_required=yes
+      case $host in
+      *cygwin* | *mingw* )
+        if test "$build_libtool_libs" != yes; then
+          wrappers_required=no
+        fi
+        ;;
+      *)
+        if test "$need_relink" = no || test "$build_libtool_libs" != yes; then
+          wrappers_required=no
+        fi
+        ;;
+      esac
+      if test "$wrappers_required" = no; then
+	# Replace the output file specification.
+	compile_command=`$ECHO "X$compile_command" | $Xsed -e 's%@OUTPUT@%'"$output"'%g'`
+	link_command="$compile_command$compile_rpath"
+
+	# We have no uninstalled library dependencies, so finalize right now.
+	exit_status=0
+	func_show_eval "$link_command" 'exit_status=$?'
+
+	# Delete the generated files.
+	if test -f "$output_objdir/${outputname}S.${objext}"; then
+	  func_show_eval '$RM "$output_objdir/${outputname}S.${objext}"'
+	fi
+
+	exit $exit_status
+      fi
+
+      if test -n "$compile_shlibpath$finalize_shlibpath"; then
+	compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command"
+      fi
+      if test -n "$finalize_shlibpath"; then
+	finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command"
+      fi
+
+      compile_var=
+      finalize_var=
+      if test -n "$runpath_var"; then
+	if test -n "$perm_rpath"; then
+	  # We should set the runpath_var.
+	  rpath=
+	  for dir in $perm_rpath; do
+	    rpath="$rpath$dir:"
+	  done
+	  compile_var="$runpath_var=\"$rpath\$$runpath_var\" "
+	fi
+	if test -n "$finalize_perm_rpath"; then
+	  # We should set the runpath_var.
+	  rpath=
+	  for dir in $finalize_perm_rpath; do
+	    rpath="$rpath$dir:"
+	  done
+	  finalize_var="$runpath_var=\"$rpath\$$runpath_var\" "
+	fi
+      fi
+
+      if test "$no_install" = yes; then
+	# We don't need to create a wrapper script.
+	link_command="$compile_var$compile_command$compile_rpath"
+	# Replace the output file specification.
+	link_command=`$ECHO "X$link_command" | $Xsed -e 's%@OUTPUT@%'"$output"'%g'`
+	# Delete the old output file.
+	$opt_dry_run || $RM $output
+	# Link the executable and exit
+	func_show_eval "$link_command" 'exit $?'
+	exit $EXIT_SUCCESS
+      fi
+
+      if test "$hardcode_action" = relink; then
+	# Fast installation is not supported
+	link_command="$compile_var$compile_command$compile_rpath"
+	relink_command="$finalize_var$finalize_command$finalize_rpath"
+
+	func_warning "this platform does not like uninstalled shared libraries"
+	func_warning "\`$output' will be relinked during installation"
+      else
+	if test "$fast_install" != no; then
+	  link_command="$finalize_var$compile_command$finalize_rpath"
+	  if test "$fast_install" = yes; then
+	    relink_command=`$ECHO "X$compile_var$compile_command$compile_rpath" | $Xsed -e 's%@OUTPUT@%\$progdir/\$file%g'`
+	  else
+	    # fast_install is set to needless
+	    relink_command=
+	  fi
+	else
+	  link_command="$compile_var$compile_command$compile_rpath"
+	  relink_command="$finalize_var$finalize_command$finalize_rpath"
+	fi
+      fi
+
+      # Replace the output file specification.
+      link_command=`$ECHO "X$link_command" | $Xsed -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'`
+
+      # Delete the old output files.
+      $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname
+
+      func_show_eval "$link_command" 'exit $?'
+
+      # Now create the wrapper script.
+      func_verbose "creating $output"
+
+      # Quote the relink command for shipping.
+      if test -n "$relink_command"; then
+	# Preserve any variables that may affect compiler behavior
+	for var in $variables_saved_for_relink; do
+	  if eval test -z \"\${$var+set}\"; then
+	    relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command"
+	  elif eval var_value=\$$var; test -z "$var_value"; then
+	    relink_command="$var=; export $var; $relink_command"
+	  else
+	    func_quote_for_eval "$var_value"
+	    relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command"
+	  fi
+	done
+	relink_command="(cd `pwd`; $relink_command)"
+	relink_command=`$ECHO "X$relink_command" | $Xsed -e "$sed_quote_subst"`
+      fi
+
+      # Quote $ECHO for shipping.
+      if test "X$ECHO" = "X$SHELL $progpath --fallback-echo"; then
+	case $progpath in
+	[\\/]* | [A-Za-z]:[\\/]*) qecho="$SHELL $progpath --fallback-echo";;
+	*) qecho="$SHELL `pwd`/$progpath --fallback-echo";;
+	esac
+	qecho=`$ECHO "X$qecho" | $Xsed -e "$sed_quote_subst"`
+      else
+	qecho=`$ECHO "X$ECHO" | $Xsed -e "$sed_quote_subst"`
+      fi
+
+      # Only actually do things if not in dry run mode.
+      $opt_dry_run || {
+	# win32 will think the script is a binary if it has
+	# a .exe suffix, so we strip it off here.
+	case $output in
+	  *.exe) func_stripname '' '.exe' "$output"
+	         output=$func_stripname_result ;;
+	esac
+	# test for cygwin because mv fails w/o .exe extensions
+	case $host in
+	  *cygwin*)
+	    exeext=.exe
+	    func_stripname '' '.exe' "$outputname"
+	    outputname=$func_stripname_result ;;
+	  *) exeext= ;;
+	esac
+	case $host in
+	  *cygwin* | *mingw* )
+	    func_dirname_and_basename "$output" "" "."
+	    output_name=$func_basename_result
+	    output_path=$func_dirname_result
+	    cwrappersource="$output_path/$objdir/lt-$output_name.c"
+	    cwrapper="$output_path/$output_name.exe"
+	    $RM $cwrappersource $cwrapper
+	    trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15
+
+	    func_emit_cwrapperexe_src > $cwrappersource
+
+	    # we should really use a build-platform specific compiler
+	    # here, but OTOH, the wrappers (shell script and this C one)
+	    # are only useful if you want to execute the "real" binary.
+	    # Since the "real" binary is built for $host, then this
+	    # wrapper might as well be built for $host, too.
+	    $opt_dry_run || {
+	      $LTCC $LTCFLAGS -o $cwrapper $cwrappersource
+	      $STRIP $cwrapper
+	    }
+
+	    # Now, create the wrapper script for func_source use:
+	    func_ltwrapper_scriptname $cwrapper
+	    $RM $func_ltwrapper_scriptname_result
+	    trap "$RM $func_ltwrapper_scriptname_result; exit $EXIT_FAILURE" 1 2 15
+	    $opt_dry_run || {
+	      # note: this script will not be executed, so do not chmod.
+	      if test "x$build" = "x$host" ; then
+		$cwrapper --lt-dump-script > $func_ltwrapper_scriptname_result
+	      else
+		func_emit_wrapper no > $func_ltwrapper_scriptname_result
+	      fi
+	    }
+	  ;;
+	  * )
+	    $RM $output
+	    trap "$RM $output; exit $EXIT_FAILURE" 1 2 15
+
+	    func_emit_wrapper no > $output
+	    chmod +x $output
+	  ;;
+	esac
+      }
+      exit $EXIT_SUCCESS
+      ;;
+    esac
+
+    # See if we need to build an old-fashioned archive.
+    for oldlib in $oldlibs; do
+
+      if test "$build_libtool_libs" = convenience; then
+	oldobjs="$libobjs_save $symfileobj"
+	addlibs="$convenience"
+	build_libtool_libs=no
+      else
+	if test "$build_libtool_libs" = module; then
+	  oldobjs="$libobjs_save"
+	  build_libtool_libs=no
+	else
+	  oldobjs="$old_deplibs $non_pic_objects"
+	  if test "$preload" = yes && test -f "$symfileobj"; then
+	    oldobjs="$oldobjs $symfileobj"
+	  fi
+	fi
+	addlibs="$old_convenience"
+      fi
+
+      if test -n "$addlibs"; then
+	gentop="$output_objdir/${outputname}x"
+	generated="$generated $gentop"
+
+	func_extract_archives $gentop $addlibs
+	oldobjs="$oldobjs $func_extract_archives_result"
+      fi
+
+      # Do each command in the archive commands.
+      if test -n "$old_archive_from_new_cmds" && test "$build_libtool_libs" = yes; then
+	cmds=$old_archive_from_new_cmds
+      else
+
+	# Add any objects from preloaded convenience libraries
+	if test -n "$dlprefiles"; then
+	  gentop="$output_objdir/${outputname}x"
+	  generated="$generated $gentop"
+
+	  func_extract_archives $gentop $dlprefiles
+	  oldobjs="$oldobjs $func_extract_archives_result"
+	fi
+
+	# POSIX demands no paths to be encoded in archives.  We have
+	# to avoid creating archives with duplicate basenames if we
+	# might have to extract them afterwards, e.g., when creating a
+	# static archive out of a convenience library, or when linking
+	# the entirety of a libtool archive into another (currently
+	# not supported by libtool).
+	if (for obj in $oldobjs
+	    do
+	      func_basename "$obj"
+	      $ECHO "$func_basename_result"
+	    done | sort | sort -uc >/dev/null 2>&1); then
+	  :
+	else
+	  $ECHO "copying selected object files to avoid basename conflicts..."
+	  gentop="$output_objdir/${outputname}x"
+	  generated="$generated $gentop"
+	  func_mkdir_p "$gentop"
+	  save_oldobjs=$oldobjs
+	  oldobjs=
+	  counter=1
+	  for obj in $save_oldobjs
+	  do
+	    func_basename "$obj"
+	    objbase="$func_basename_result"
+	    case " $oldobjs " in
+	    " ") oldobjs=$obj ;;
+	    *[\ /]"$objbase "*)
+	      while :; do
+		# Make sure we don't pick an alternate name that also
+		# overlaps.
+		newobj=lt$counter-$objbase
+		func_arith $counter + 1
+		counter=$func_arith_result
+		case " $oldobjs " in
+		*[\ /]"$newobj "*) ;;
+		*) if test ! -f "$gentop/$newobj"; then break; fi ;;
+		esac
+	      done
+	      func_show_eval "ln $obj $gentop/$newobj || cp $obj $gentop/$newobj"
+	      oldobjs="$oldobjs $gentop/$newobj"
+	      ;;
+	    *) oldobjs="$oldobjs $obj" ;;
+	    esac
+	  done
+	fi
+	eval cmds=\"$old_archive_cmds\"
+
+	func_len " $cmds"
+	len=$func_len_result
+	if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then
+	  cmds=$old_archive_cmds
+	else
+	  # the command line is too long to link in one step, link in parts
+	  func_verbose "using piecewise archive linking..."
+	  save_RANLIB=$RANLIB
+	  RANLIB=:
+	  objlist=
+	  concat_cmds=
+	  save_oldobjs=$oldobjs
+	  oldobjs=
+	  # Is there a better way of finding the last object in the list?
+	  for obj in $save_oldobjs
+	  do
+	    last_oldobj=$obj
+	  done
+	  eval test_cmds=\"$old_archive_cmds\"
+	  func_len " $test_cmds"
+	  len0=$func_len_result
+	  len=$len0
+	  for obj in $save_oldobjs
+	  do
+	    func_len " $obj"
+	    func_arith $len + $func_len_result
+	    len=$func_arith_result
+	    func_append objlist " $obj"
+	    if test "$len" -lt "$max_cmd_len"; then
+	      :
+	    else
+	      # the above command should be used before it gets too long
+	      oldobjs=$objlist
+	      if test "$obj" = "$last_oldobj" ; then
+		RANLIB=$save_RANLIB
+	      fi
+	      test -z "$concat_cmds" || concat_cmds=$concat_cmds~
+	      eval concat_cmds=\"\${concat_cmds}$old_archive_cmds\"
+	      objlist=
+	      len=$len0
+	    fi
+	  done
+	  RANLIB=$save_RANLIB
+	  oldobjs=$objlist
+	  if test "X$oldobjs" = "X" ; then
+	    eval cmds=\"\$concat_cmds\"
+	  else
+	    eval cmds=\"\$concat_cmds~\$old_archive_cmds\"
+	  fi
+	fi
+      fi
+      func_execute_cmds "$cmds" 'exit $?'
+    done
+
+    test -n "$generated" && \
+      func_show_eval "${RM}r$generated"
+
+    # Now create the libtool archive.
+    case $output in
+    *.la)
+      old_library=
+      test "$build_old_libs" = yes && old_library="$libname.$libext"
+      func_verbose "creating $output"
+
+      # Preserve any variables that may affect compiler behavior
+      for var in $variables_saved_for_relink; do
+	if eval test -z \"\${$var+set}\"; then
+	  relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command"
+	elif eval var_value=\$$var; test -z "$var_value"; then
+	  relink_command="$var=; export $var; $relink_command"
+	else
+	  func_quote_for_eval "$var_value"
+	  relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command"
+	fi
+      done
+      # Quote the link command for shipping.
+      relink_command="(cd `pwd`; $SHELL $progpath $preserve_args --mode=relink $libtool_args @inst_prefix_dir@)"
+      relink_command=`$ECHO "X$relink_command" | $Xsed -e "$sed_quote_subst"`
+      if test "$hardcode_automatic" = yes ; then
+	relink_command=
+      fi
+
+      # Only create the output if not a dry run.
+      $opt_dry_run || {
+	for installed in no yes; do
+	  if test "$installed" = yes; then
+	    if test -z "$install_libdir"; then
+	      break
+	    fi
+	    output="$output_objdir/$outputname"i
+	    # Replace all uninstalled libtool libraries with the installed ones
+	    newdependency_libs=
+	    for deplib in $dependency_libs; do
+	      case $deplib in
+	      *.la)
+		func_basename "$deplib"
+		name="$func_basename_result"
+		eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib`
+		test -z "$libdir" && \
+		  func_fatal_error "\`$deplib' is not a valid libtool archive"
+		newdependency_libs="$newdependency_libs $libdir/$name"
+		;;
+	      *) newdependency_libs="$newdependency_libs $deplib" ;;
+	      esac
+	    done
+	    dependency_libs="$newdependency_libs"
+	    newdlfiles=
+
+	    for lib in $dlfiles; do
+	      case $lib in
+	      *.la)
+	        func_basename "$lib"
+		name="$func_basename_result"
+		eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib`
+		test -z "$libdir" && \
+		  func_fatal_error "\`$lib' is not a valid libtool archive"
+		newdlfiles="$newdlfiles $libdir/$name"
+		;;
+	      *) newdlfiles="$newdlfiles $lib" ;;
+	      esac
+	    done
+	    dlfiles="$newdlfiles"
+	    newdlprefiles=
+	    for lib in $dlprefiles; do
+	      case $lib in
+	      *.la)
+		# Only pass preopened files to the pseudo-archive (for
+		# eventual linking with the app. that links it) if we
+		# didn't already link the preopened objects directly into
+		# the library:
+		func_basename "$lib"
+		name="$func_basename_result"
+		eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib`
+		test -z "$libdir" && \
+		  func_fatal_error "\`$lib' is not a valid libtool archive"
+		newdlprefiles="$newdlprefiles $libdir/$name"
+		;;
+	      esac
+	    done
+	    dlprefiles="$newdlprefiles"
+	  else
+	    newdlfiles=
+	    for lib in $dlfiles; do
+	      case $lib in
+		[\\/]* | [A-Za-z]:[\\/]*) abs="$lib" ;;
+		*) abs=`pwd`"/$lib" ;;
+	      esac
+	      newdlfiles="$newdlfiles $abs"
+	    done
+	    dlfiles="$newdlfiles"
+	    newdlprefiles=
+	    for lib in $dlprefiles; do
+	      case $lib in
+		[\\/]* | [A-Za-z]:[\\/]*) abs="$lib" ;;
+		*) abs=`pwd`"/$lib" ;;
+	      esac
+	      newdlprefiles="$newdlprefiles $abs"
+	    done
+	    dlprefiles="$newdlprefiles"
+	  fi
+	  $RM $output
+	  # place dlname in correct position for cygwin
+	  tdlname=$dlname
+	  case $host,$output,$installed,$module,$dlname in
+	    *cygwin*,*lai,yes,no,*.dll | *mingw*,*lai,yes,no,*.dll) tdlname=../bin/$dlname ;;
+	  esac
+	  $ECHO > $output "\
+# $outputname - a libtool library file
+# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# The name that we can dlopen(3).
+dlname='$tdlname'
+
+# Names of this library.
+library_names='$library_names'
+
+# The name of the static archive.
+old_library='$old_library'
+
+# Linker flags that can not go in dependency_libs.
+inherited_linker_flags='$new_inherited_linker_flags'
+
+# Libraries that this one depends upon.
+dependency_libs='$dependency_libs'
+
+# Names of additional weak libraries provided by this library
+weak_library_names='$weak_libs'
+
+# Version information for $libname.
+current=$current
+age=$age
+revision=$revision
+
+# Is this an already installed library?
+installed=$installed
+
+# Should we warn about portability when linking against -modules?
+shouldnotlink=$module
+
+# Files to dlopen/dlpreopen
+dlopen='$dlfiles'
+dlpreopen='$dlprefiles'
+
+# Directory that this library needs to be installed in:
+libdir='$install_libdir'"
+	  if test "$installed" = no && test "$need_relink" = yes; then
+	    $ECHO >> $output "\
+relink_command=\"$relink_command\""
+	  fi
+	done
+      }
+
+      # Do a symbolic link so that the libtool archive can be found in
+      # LD_LIBRARY_PATH before the program is installed.
+      func_show_eval '( cd "$output_objdir" && $RM "$outputname" && $LN_S "../$outputname" "$outputname" )' 'exit $?'
+      ;;
+    esac
+    exit $EXIT_SUCCESS
+}
+
+{ test "$mode" = link || test "$mode" = relink; } &&
+    func_mode_link ${1+"$@"}
+
+
+# func_mode_uninstall arg...
+func_mode_uninstall ()
+{
+    $opt_debug
+    RM="$nonopt"
+    files=
+    rmforce=
+    exit_status=0
+
+    # This variable tells wrapper scripts just to set variables rather
+    # than running their programs.
+    libtool_install_magic="$magic"
+
+    for arg
+    do
+      case $arg in
+      -f) RM="$RM $arg"; rmforce=yes ;;
+      -*) RM="$RM $arg" ;;
+      *) files="$files $arg" ;;
+      esac
+    done
+
+    test -z "$RM" && \
+      func_fatal_help "you must specify an RM program"
+
+    rmdirs=
+
+    origobjdir="$objdir"
+    for file in $files; do
+      func_dirname "$file" "" "."
+      dir="$func_dirname_result"
+      if test "X$dir" = X.; then
+	objdir="$origobjdir"
+      else
+	objdir="$dir/$origobjdir"
+      fi
+      func_basename "$file"
+      name="$func_basename_result"
+      test "$mode" = uninstall && objdir="$dir"
+
+      # Remember objdir for removal later, being careful to avoid duplicates
+      if test "$mode" = clean; then
+	case " $rmdirs " in
+	  *" $objdir "*) ;;
+	  *) rmdirs="$rmdirs $objdir" ;;
+	esac
+      fi
+
+      # Don't error if the file doesn't exist and rm -f was used.
+      if { test -L "$file"; } >/dev/null 2>&1 ||
+	 { test -h "$file"; } >/dev/null 2>&1 ||
+	 test -f "$file"; then
+	:
+      elif test -d "$file"; then
+	exit_status=1
+	continue
+      elif test "$rmforce" = yes; then
+	continue
+      fi
+
+      rmfiles="$file"
+
+      case $name in
+      *.la)
+	# Possibly a libtool archive, so verify it.
+	if func_lalib_p "$file"; then
+	  func_source $dir/$name
+
+	  # Delete the libtool libraries and symlinks.
+	  for n in $library_names; do
+	    rmfiles="$rmfiles $objdir/$n"
+	  done
+	  test -n "$old_library" && rmfiles="$rmfiles $objdir/$old_library"
+
+	  case "$mode" in
+	  clean)
+	    case "  $library_names " in
+	    # "  " in the beginning catches empty $dlname
+	    *" $dlname "*) ;;
+	    *) rmfiles="$rmfiles $objdir/$dlname" ;;
+	    esac
+	    test -n "$libdir" && rmfiles="$rmfiles $objdir/$name $objdir/${name}i"
+	    ;;
+	  uninstall)
+	    if test -n "$library_names"; then
+	      # Do each command in the postuninstall commands.
+	      func_execute_cmds "$postuninstall_cmds" 'test "$rmforce" = yes || exit_status=1'
+	    fi
+
+	    if test -n "$old_library"; then
+	      # Do each command in the old_postuninstall commands.
+	      func_execute_cmds "$old_postuninstall_cmds" 'test "$rmforce" = yes || exit_status=1'
+	    fi
+	    # FIXME: should reinstall the best remaining shared library.
+	    ;;
+	  esac
+	fi
+	;;
+
+      *.lo)
+	# Possibly a libtool object, so verify it.
+	if func_lalib_p "$file"; then
+
+	  # Read the .lo file
+	  func_source $dir/$name
+
+	  # Add PIC object to the list of files to remove.
+	  if test -n "$pic_object" &&
+	     test "$pic_object" != none; then
+	    rmfiles="$rmfiles $dir/$pic_object"
+	  fi
+
+	  # Add non-PIC object to the list of files to remove.
+	  if test -n "$non_pic_object" &&
+	     test "$non_pic_object" != none; then
+	    rmfiles="$rmfiles $dir/$non_pic_object"
+	  fi
+	fi
+	;;
+
+      *)
+	if test "$mode" = clean ; then
+	  noexename=$name
+	  case $file in
+	  *.exe)
+	    func_stripname '' '.exe' "$file"
+	    file=$func_stripname_result
+	    func_stripname '' '.exe' "$name"
+	    noexename=$func_stripname_result
+	    # $file with .exe has already been added to rmfiles,
+	    # add $file without .exe
+	    rmfiles="$rmfiles $file"
+	    ;;
+	  esac
+	  # Do a test to see if this is a libtool program.
+	  if func_ltwrapper_p "$file"; then
+	    if func_ltwrapper_executable_p "$file"; then
+	      func_ltwrapper_scriptname "$file"
+	      relink_command=
+	      func_source $func_ltwrapper_scriptname_result
+	      rmfiles="$rmfiles $func_ltwrapper_scriptname_result"
+	    else
+	      relink_command=
+	      func_source $dir/$noexename
+	    fi
+
+	    # note $name still contains .exe if it was in $file originally
+	    # as does the version of $file that was added into $rmfiles
+	    rmfiles="$rmfiles $objdir/$name $objdir/${name}S.${objext}"
+	    if test "$fast_install" = yes && test -n "$relink_command"; then
+	      rmfiles="$rmfiles $objdir/lt-$name"
+	    fi
+	    if test "X$noexename" != "X$name" ; then
+	      rmfiles="$rmfiles $objdir/lt-${noexename}.c"
+	    fi
+	  fi
+	fi
+	;;
+      esac
+      func_show_eval "$RM $rmfiles" 'exit_status=1'
+    done
+    objdir="$origobjdir"
+
+    # Try to remove the ${objdir}s in the directories where we deleted files
+    for dir in $rmdirs; do
+      if test -d "$dir"; then
+	func_show_eval "rmdir $dir >/dev/null 2>&1"
+      fi
+    done
+
+    exit $exit_status
+}
+
+{ test "$mode" = uninstall || test "$mode" = clean; } &&
+    func_mode_uninstall ${1+"$@"}
+
+test -z "$mode" && {
+  help="$generic_help"
+  func_fatal_help "you must specify a MODE"
+}
+
+test -z "$exec_cmd" && \
+  func_fatal_help "invalid operation mode \`$mode'"
+
+if test -n "$exec_cmd"; then
+  eval exec "$exec_cmd"
+  exit $EXIT_FAILURE
+fi
+
+exit $exit_status
+
+
+# The TAGs below are defined such that we never get into a situation
+# in which we disable both kinds of libraries.  Given conflicting
+# choices, we go for a static library, that is the most portable,
+# since we can't tell whether shared libraries were disabled because
+# the user asked for that or because the platform doesn't support
+# them.  This is particularly important on AIX, because we don't
+# support having both static and shared libraries enabled at the same
+# time on that platform, so we default to a shared-only configuration.
+# If a disable-shared tag is given, we'll fallback to a static-only
+# configuration.  But we'll never go from static-only to shared-only.
+
+# ### BEGIN LIBTOOL TAG CONFIG: disable-shared
+build_libtool_libs=no
+build_old_libs=yes
+# ### END LIBTOOL TAG CONFIG: disable-shared
+
+# ### BEGIN LIBTOOL TAG CONFIG: disable-static
+build_old_libs=`case $build_libtool_libs in yes) echo no;; *) echo yes;; esac`
+# ### END LIBTOOL TAG CONFIG: disable-static
+
+# Local Variables:
+# mode:shell-script
+# sh-indentation:2
+# End:
+# vi:sw=2
+
diff --git a/m4/libtool.m4 b/m4/libtool.m4
new file mode 100644
index 0000000..4ceb7f1
--- /dev/null
+++ b/m4/libtool.m4
@@ -0,0 +1,7309 @@
+# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*-
+#
+#   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,
+#                 2006, 2007, 2008 Free Software Foundation, Inc.
+#   Written by Gordon Matzigkeit, 1996
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+m4_define([_LT_COPYING], [dnl
+#   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,
+#                 2006, 2007, 2008 Free Software Foundation, Inc.
+#   Written by Gordon Matzigkeit, 1996
+#
+#   This file is part of GNU Libtool.
+#
+# GNU Libtool is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# As a special exception to the GNU General Public License,
+# if you distribute this file as part of a program or library that
+# is built using GNU Libtool, you may include this file under the
+# same distribution terms that you use for the rest of that program.
+#
+# GNU Libtool is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Libtool; see the file COPYING.  If not, a copy
+# can be downloaded from http://www.gnu.org/licenses/gpl.html, or
+# obtained by writing to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+])
+
+# serial 56 LT_INIT
+
+
+# LT_PREREQ(VERSION)
+# ------------------
+# Complain and exit if this libtool version is less that VERSION.
+m4_defun([LT_PREREQ],
+[m4_if(m4_version_compare(m4_defn([LT_PACKAGE_VERSION]), [$1]), -1,
+       [m4_default([$3],
+		   [m4_fatal([Libtool version $1 or higher is required],
+		             63)])],
+       [$2])])
+
+
+# _LT_CHECK_BUILDDIR
+# ------------------
+# Complain if the absolute build directory name contains unusual characters
+m4_defun([_LT_CHECK_BUILDDIR],
+[case `pwd` in
+  *\ * | *\	*)
+    AC_MSG_WARN([Libtool does not cope well with whitespace in `pwd`]) ;;
+esac
+])
+
+
+# LT_INIT([OPTIONS])
+# ------------------
+AC_DEFUN([LT_INIT],
+[AC_PREREQ([2.58])dnl We use AC_INCLUDES_DEFAULT
+AC_BEFORE([$0], [LT_LANG])dnl
+AC_BEFORE([$0], [LT_OUTPUT])dnl
+AC_BEFORE([$0], [LTDL_INIT])dnl
+m4_require([_LT_CHECK_BUILDDIR])dnl
+
+dnl Autoconf doesn't catch unexpanded LT_ macros by default:
+m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl
+m4_pattern_allow([^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$])dnl
+dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4
+dnl unless we require an AC_DEFUNed macro:
+AC_REQUIRE([LTOPTIONS_VERSION])dnl
+AC_REQUIRE([LTSUGAR_VERSION])dnl
+AC_REQUIRE([LTVERSION_VERSION])dnl
+AC_REQUIRE([LTOBSOLETE_VERSION])dnl
+m4_require([_LT_PROG_LTMAIN])dnl
+
+dnl Parse OPTIONS
+_LT_SET_OPTIONS([$0], [$1])
+
+# This can be used to rebuild libtool when needed
+LIBTOOL_DEPS="$ltmain"
+
+# Always use our own libtool.
+LIBTOOL='$(SHELL) $(top_builddir)/libtool'
+AC_SUBST(LIBTOOL)dnl
+
+_LT_SETUP
+
+# Only expand once:
+m4_define([LT_INIT])
+])# LT_INIT
+
+# Old names:
+AU_ALIAS([AC_PROG_LIBTOOL], [LT_INIT])
+AU_ALIAS([AM_PROG_LIBTOOL], [LT_INIT])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_PROG_LIBTOOL], [])
+dnl AC_DEFUN([AM_PROG_LIBTOOL], [])
+
+
+# _LT_CC_BASENAME(CC)
+# -------------------
+# Calculate cc_basename.  Skip known compiler wrappers and cross-prefix.
+m4_defun([_LT_CC_BASENAME],
+[for cc_temp in $1""; do
+  case $cc_temp in
+    compile | *[[\\/]]compile | ccache | *[[\\/]]ccache ) ;;
+    distcc | *[[\\/]]distcc | purify | *[[\\/]]purify ) ;;
+    \-*) ;;
+    *) break;;
+  esac
+done
+cc_basename=`$ECHO "X$cc_temp" | $Xsed -e 's%.*/%%' -e "s%^$host_alias-%%"`
+])
+
+
+# _LT_FILEUTILS_DEFAULTS
+# ----------------------
+# It is okay to use these file commands and assume they have been set
+# sensibly after `m4_require([_LT_FILEUTILS_DEFAULTS])'.
+m4_defun([_LT_FILEUTILS_DEFAULTS],
+[: ${CP="cp -f"}
+: ${MV="mv -f"}
+: ${RM="rm -f"}
+])# _LT_FILEUTILS_DEFAULTS
+
+
+# _LT_SETUP
+# ---------
+m4_defun([_LT_SETUP],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_CANONICAL_BUILD])dnl
+_LT_DECL([], [host_alias], [0], [The host system])dnl
+_LT_DECL([], [host], [0])dnl
+_LT_DECL([], [host_os], [0])dnl
+dnl
+_LT_DECL([], [build_alias], [0], [The build system])dnl
+_LT_DECL([], [build], [0])dnl
+_LT_DECL([], [build_os], [0])dnl
+dnl
+AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([LT_PATH_LD])dnl
+AC_REQUIRE([LT_PATH_NM])dnl
+dnl
+AC_REQUIRE([AC_PROG_LN_S])dnl
+test -z "$LN_S" && LN_S="ln -s"
+_LT_DECL([], [LN_S], [1], [Whether we need soft or hard links])dnl
+dnl
+AC_REQUIRE([LT_CMD_MAX_LEN])dnl
+_LT_DECL([objext], [ac_objext], [0], [Object file suffix (normally "o")])dnl
+_LT_DECL([], [exeext], [0], [Executable file suffix (normally "")])dnl
+dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_CHECK_SHELL_FEATURES])dnl
+m4_require([_LT_CMD_RELOAD])dnl
+m4_require([_LT_CHECK_MAGIC_METHOD])dnl
+m4_require([_LT_CMD_OLD_ARCHIVE])dnl
+m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl
+
+_LT_CONFIG_LIBTOOL_INIT([
+# See if we are running on zsh, and set the options which allow our
+# commands through without removal of \ escapes INIT.
+if test -n "\${ZSH_VERSION+set}" ; then
+   setopt NO_GLOB_SUBST
+fi
+])
+if test -n "${ZSH_VERSION+set}" ; then
+   setopt NO_GLOB_SUBST
+fi
+
+_LT_CHECK_OBJDIR
+
+m4_require([_LT_TAG_COMPILER])dnl
+_LT_PROG_ECHO_BACKSLASH
+
+case $host_os in
+aix3*)
+  # AIX sometimes has problems with the GCC collect2 program.  For some
+  # reason, if we set the COLLECT_NAMES environment variable, the problems
+  # vanish in a puff of smoke.
+  if test "X${COLLECT_NAMES+set}" != Xset; then
+    COLLECT_NAMES=
+    export COLLECT_NAMES
+  fi
+  ;;
+esac
+
+# Sed substitution that helps us do robust quoting.  It backslashifies
+# metacharacters that are still active within double-quoted strings.
+sed_quote_subst='s/\([["`$\\]]\)/\\\1/g'
+
+# Same as above, but do not quote variable references.
+double_quote_subst='s/\([["`\\]]\)/\\\1/g'
+
+# Sed substitution to delay expansion of an escaped shell variable in a
+# double_quote_subst'ed string.
+delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
+
+# Sed substitution to delay expansion of an escaped single quote.
+delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g'
+
+# Sed substitution to avoid accidental globbing in evaled expressions
+no_glob_subst='s/\*/\\\*/g'
+
+# Global variables:
+ofile=libtool
+can_build_shared=yes
+
+# All known linkers require a `.a' archive for static linking (except MSVC,
+# which needs '.lib').
+libext=a
+
+with_gnu_ld="$lt_cv_prog_gnu_ld"
+
+old_CC="$CC"
+old_CFLAGS="$CFLAGS"
+
+# Set sane defaults for various variables
+test -z "$CC" && CC=cc
+test -z "$LTCC" && LTCC=$CC
+test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS
+test -z "$LD" && LD=ld
+test -z "$ac_objext" && ac_objext=o
+
+_LT_CC_BASENAME([$compiler])
+
+# Only perform the check for file, if the check method requires it
+test -z "$MAGIC_CMD" && MAGIC_CMD=file
+case $deplibs_check_method in
+file_magic*)
+  if test "$file_magic_cmd" = '$MAGIC_CMD'; then
+    _LT_PATH_MAGIC
+  fi
+  ;;
+esac
+
+# Use C for the default configuration in the libtool script
+LT_SUPPORTED_TAG([CC])
+_LT_LANG_C_CONFIG
+_LT_LANG_DEFAULT_CONFIG
+_LT_CONFIG_COMMANDS
+])# _LT_SETUP
+
+
+# _LT_PROG_LTMAIN
+# ---------------
+# Note that this code is called both from `configure', and `config.status'
+# now that we use AC_CONFIG_COMMANDS to generate libtool.  Notably,
+# `config.status' has no value for ac_aux_dir unless we are using Automake,
+# so we pass a copy along to make sure it has a sensible value anyway.
+m4_defun([_LT_PROG_LTMAIN],
+[m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([ltmain.sh])])dnl
+_LT_CONFIG_LIBTOOL_INIT([ac_aux_dir='$ac_aux_dir'])
+ltmain="$ac_aux_dir/ltmain.sh"
+])# _LT_PROG_LTMAIN
+
+
+## ------------------------------------- ##
+## Accumulate code for creating libtool. ##
+## ------------------------------------- ##
+
+# So that we can recreate a full libtool script including additional
+# tags, we accumulate the chunks of code to send to AC_CONFIG_COMMANDS
+# in macros and then make a single call at the end using the `libtool'
+# label.
+
+
+# _LT_CONFIG_LIBTOOL_INIT([INIT-COMMANDS])
+# ----------------------------------------
+# Register INIT-COMMANDS to be passed to AC_CONFIG_COMMANDS later.
+m4_define([_LT_CONFIG_LIBTOOL_INIT],
+[m4_ifval([$1],
+          [m4_append([_LT_OUTPUT_LIBTOOL_INIT],
+                     [$1
+])])])
+
+# Initialize.
+m4_define([_LT_OUTPUT_LIBTOOL_INIT])
+
+
+# _LT_CONFIG_LIBTOOL([COMMANDS])
+# ------------------------------
+# Register COMMANDS to be passed to AC_CONFIG_COMMANDS later.
+m4_define([_LT_CONFIG_LIBTOOL],
+[m4_ifval([$1],
+          [m4_append([_LT_OUTPUT_LIBTOOL_COMMANDS],
+                     [$1
+])])])
+
+# Initialize.
+m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS])
+
+
+# _LT_CONFIG_SAVE_COMMANDS([COMMANDS], [INIT_COMMANDS])
+# -----------------------------------------------------
+m4_defun([_LT_CONFIG_SAVE_COMMANDS],
+[_LT_CONFIG_LIBTOOL([$1])
+_LT_CONFIG_LIBTOOL_INIT([$2])
+])
+
+
+# _LT_FORMAT_COMMENT([COMMENT])
+# -----------------------------
+# Add leading comment marks to the start of each line, and a trailing
+# full-stop to the whole comment if one is not present already.
+m4_define([_LT_FORMAT_COMMENT],
+[m4_ifval([$1], [
+m4_bpatsubst([m4_bpatsubst([$1], [^ *], [# ])],
+              [['`$\]], [\\\&])]m4_bmatch([$1], [[!?.]$], [], [.])
+)])
+
+
+
+## ------------------------ ##
+## FIXME: Eliminate VARNAME ##
+## ------------------------ ##
+
+
+# _LT_DECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION], [IS-TAGGED?])
+# -------------------------------------------------------------------
+# CONFIGNAME is the name given to the value in the libtool script.
+# VARNAME is the (base) name used in the configure script.
+# VALUE may be 0, 1 or 2 for a computed quote escaped value based on
+# VARNAME.  Any other value will be used directly.
+m4_define([_LT_DECL],
+[lt_if_append_uniq([lt_decl_varnames], [$2], [, ],
+    [lt_dict_add_subkey([lt_decl_dict], [$2], [libtool_name],
+	[m4_ifval([$1], [$1], [$2])])
+    lt_dict_add_subkey([lt_decl_dict], [$2], [value], [$3])
+    m4_ifval([$4],
+	[lt_dict_add_subkey([lt_decl_dict], [$2], [description], [$4])])
+    lt_dict_add_subkey([lt_decl_dict], [$2],
+	[tagged?], [m4_ifval([$5], [yes], [no])])])
+])
+
+
+# _LT_TAGDECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION])
+# --------------------------------------------------------
+m4_define([_LT_TAGDECL], [_LT_DECL([$1], [$2], [$3], [$4], [yes])])
+
+
+# lt_decl_tag_varnames([SEPARATOR], [VARNAME1...])
+# ------------------------------------------------
+m4_define([lt_decl_tag_varnames],
+[_lt_decl_filter([tagged?], [yes], $@)])
+
+
+# _lt_decl_filter(SUBKEY, VALUE, [SEPARATOR], [VARNAME1..])
+# ---------------------------------------------------------
+m4_define([_lt_decl_filter],
+[m4_case([$#],
+  [0], [m4_fatal([$0: too few arguments: $#])],
+  [1], [m4_fatal([$0: too few arguments: $#: $1])],
+  [2], [lt_dict_filter([lt_decl_dict], [$1], [$2], [], lt_decl_varnames)],
+  [3], [lt_dict_filter([lt_decl_dict], [$1], [$2], [$3], lt_decl_varnames)],
+  [lt_dict_filter([lt_decl_dict], $@)])[]dnl
+])
+
+
+# lt_decl_quote_varnames([SEPARATOR], [VARNAME1...])
+# --------------------------------------------------
+m4_define([lt_decl_quote_varnames],
+[_lt_decl_filter([value], [1], $@)])
+
+
+# lt_decl_dquote_varnames([SEPARATOR], [VARNAME1...])
+# ---------------------------------------------------
+m4_define([lt_decl_dquote_varnames],
+[_lt_decl_filter([value], [2], $@)])
+
+
+# lt_decl_varnames_tagged([SEPARATOR], [VARNAME1...])
+# ---------------------------------------------------
+m4_define([lt_decl_varnames_tagged],
+[_$0(m4_quote(m4_default([$1], [[, ]])),
+     m4_quote(m4_if([$2], [],
+		     m4_quote(lt_decl_tag_varnames),
+		  m4_quote(m4_shift($@)))),
+     m4_split(m4_normalize(m4_quote(_LT_TAGS))))])
+m4_define([_lt_decl_varnames_tagged], [lt_combine([$1], [$2], [_], $3)])
+
+
+# lt_decl_all_varnames([SEPARATOR], [VARNAME1...])
+# ------------------------------------------------
+m4_define([lt_decl_all_varnames],
+[_$0(m4_quote(m4_default([$1], [[, ]])),
+     m4_if([$2], [],
+	   m4_quote(lt_decl_varnames),
+	m4_quote(m4_shift($@))))[]dnl
+])
+m4_define([_lt_decl_all_varnames],
+[lt_join($@, lt_decl_varnames_tagged([$1],
+			lt_decl_tag_varnames([[, ]], m4_shift($@))))dnl
+])
+
+
+# _LT_CONFIG_STATUS_DECLARE([VARNAME])
+# ------------------------------------
+# Quote a variable value, and forward it to `config.status' so that its
+# declaration there will have the same value as in `configure'.  VARNAME
+# must have a single quote delimited value for this to work.
+m4_define([_LT_CONFIG_STATUS_DECLARE],
+[$1='`$ECHO "X$][$1" | $Xsed -e "$delay_single_quote_subst"`'])
+
+
+# _LT_CONFIG_STATUS_DECLARATIONS
+# ------------------------------
+# We delimit libtool config variables with single quotes, so when
+# we write them to config.status, we have to be sure to quote all
+# embedded single quotes properly.  In configure, this macro expands
+# each variable declared with _LT_DECL (and _LT_TAGDECL) into:
+#
+#    <var>='`$ECHO "X$<var>" | $Xsed -e "$delay_single_quote_subst"`'
+m4_defun([_LT_CONFIG_STATUS_DECLARATIONS],
+[m4_foreach([_lt_var], m4_quote(lt_decl_all_varnames),
+    [m4_n([_LT_CONFIG_STATUS_DECLARE(_lt_var)])])])
+
+
+# _LT_LIBTOOL_TAGS
+# ----------------
+# Output comment and list of tags supported by the script
+m4_defun([_LT_LIBTOOL_TAGS],
+[_LT_FORMAT_COMMENT([The names of the tagged configurations supported by this script])dnl
+available_tags="_LT_TAGS"dnl
+])
+
+
+# _LT_LIBTOOL_DECLARE(VARNAME, [TAG])
+# -----------------------------------
+# Extract the dictionary values for VARNAME (optionally with TAG) and
+# expand to a commented shell variable setting:
+#
+#    # Some comment about what VAR is for.
+#    visible_name=$lt_internal_name
+m4_define([_LT_LIBTOOL_DECLARE],
+[_LT_FORMAT_COMMENT(m4_quote(lt_dict_fetch([lt_decl_dict], [$1],
+					   [description])))[]dnl
+m4_pushdef([_libtool_name],
+    m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [libtool_name])))[]dnl
+m4_case(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [value])),
+    [0], [_libtool_name=[$]$1],
+    [1], [_libtool_name=$lt_[]$1],
+    [2], [_libtool_name=$lt_[]$1],
+    [_libtool_name=lt_dict_fetch([lt_decl_dict], [$1], [value])])[]dnl
+m4_ifval([$2], [_$2])[]m4_popdef([_libtool_name])[]dnl
+])
+
+
+# _LT_LIBTOOL_CONFIG_VARS
+# -----------------------
+# Produce commented declarations of non-tagged libtool config variables
+# suitable for insertion in the LIBTOOL CONFIG section of the `libtool'
+# script.  Tagged libtool config variables (even for the LIBTOOL CONFIG
+# section) are produced by _LT_LIBTOOL_TAG_VARS.
+m4_defun([_LT_LIBTOOL_CONFIG_VARS],
+[m4_foreach([_lt_var],
+    m4_quote(_lt_decl_filter([tagged?], [no], [], lt_decl_varnames)),
+    [m4_n([_LT_LIBTOOL_DECLARE(_lt_var)])])])
+
+
+# _LT_LIBTOOL_TAG_VARS(TAG)
+# -------------------------
+m4_define([_LT_LIBTOOL_TAG_VARS],
+[m4_foreach([_lt_var], m4_quote(lt_decl_tag_varnames),
+    [m4_n([_LT_LIBTOOL_DECLARE(_lt_var, [$1])])])])
+
+
+# _LT_TAGVAR(VARNAME, [TAGNAME])
+# ------------------------------
+m4_define([_LT_TAGVAR], [m4_ifval([$2], [$1_$2], [$1])])
+
+
+# _LT_CONFIG_COMMANDS
+# -------------------
+# Send accumulated output to $CONFIG_STATUS.  Thanks to the lists of
+# variables for single and double quote escaping we saved from calls
+# to _LT_DECL, we can put quote escaped variables declarations
+# into `config.status', and then the shell code to quote escape them in
+# for loops in `config.status'.  Finally, any additional code accumulated
+# from calls to _LT_CONFIG_LIBTOOL_INIT is expanded.
+m4_defun([_LT_CONFIG_COMMANDS],
+[AC_PROVIDE_IFELSE([LT_OUTPUT],
+	dnl If the libtool generation code has been placed in $CONFIG_LT,
+	dnl instead of duplicating it all over again into config.status,
+	dnl then we will have config.status run $CONFIG_LT later, so it
+	dnl needs to know what name is stored there:
+        [AC_CONFIG_COMMANDS([libtool],
+            [$SHELL $CONFIG_LT || AS_EXIT(1)], [CONFIG_LT='$CONFIG_LT'])],
+    dnl If the libtool generation code is destined for config.status,
+    dnl expand the accumulated commands and init code now:
+    [AC_CONFIG_COMMANDS([libtool],
+        [_LT_OUTPUT_LIBTOOL_COMMANDS], [_LT_OUTPUT_LIBTOOL_COMMANDS_INIT])])
+])#_LT_CONFIG_COMMANDS
+
+
+# Initialize.
+m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS_INIT],
+[
+
+# The HP-UX ksh and POSIX shell print the target directory to stdout
+# if CDPATH is set.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+sed_quote_subst='$sed_quote_subst'
+double_quote_subst='$double_quote_subst'
+delay_variable_subst='$delay_variable_subst'
+_LT_CONFIG_STATUS_DECLARATIONS
+LTCC='$LTCC'
+LTCFLAGS='$LTCFLAGS'
+compiler='$compiler_DEFAULT'
+
+# Quote evaled strings.
+for var in lt_decl_all_varnames([[ \
+]], lt_decl_quote_varnames); do
+    case \`eval \\\\\$ECHO "X\\\\\$\$var"\` in
+    *[[\\\\\\\`\\"\\\$]]*)
+      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"X\\\$\$var\\" | \\\$Xsed -e \\"\\\$sed_quote_subst\\"\\\`\\\\\\""
+      ;;
+    *)
+      eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
+      ;;
+    esac
+done
+
+# Double-quote double-evaled strings.
+for var in lt_decl_all_varnames([[ \
+]], lt_decl_dquote_varnames); do
+    case \`eval \\\\\$ECHO "X\\\\\$\$var"\` in
+    *[[\\\\\\\`\\"\\\$]]*)
+      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"X\\\$\$var\\" | \\\$Xsed -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\""
+      ;;
+    *)
+      eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
+      ;;
+    esac
+done
+
+# Fix-up fallback echo if it was mangled by the above quoting rules.
+case \$lt_ECHO in
+*'\\\[$]0 --fallback-echo"')dnl "
+  lt_ECHO=\`\$ECHO "X\$lt_ECHO" | \$Xsed -e 's/\\\\\\\\\\\\\\\[$]0 --fallback-echo"\[$]/\[$]0 --fallback-echo"/'\`
+  ;;
+esac
+
+_LT_OUTPUT_LIBTOOL_INIT
+])
+
+
+# LT_OUTPUT
+# ---------
+# This macro allows early generation of the libtool script (before
+# AC_OUTPUT is called), incase it is used in configure for compilation
+# tests.
+AC_DEFUN([LT_OUTPUT],
+[: ${CONFIG_LT=./config.lt}
+AC_MSG_NOTICE([creating $CONFIG_LT])
+cat >"$CONFIG_LT" <<_LTEOF
+#! $SHELL
+# Generated by $as_me.
+# Run this file to recreate a libtool stub with the current configuration.
+
+lt_cl_silent=false
+SHELL=\${CONFIG_SHELL-$SHELL}
+_LTEOF
+
+cat >>"$CONFIG_LT" <<\_LTEOF
+AS_SHELL_SANITIZE
+_AS_PREPARE
+
+exec AS_MESSAGE_FD>&1
+exec AS_MESSAGE_LOG_FD>>config.log
+{
+  echo
+  AS_BOX([Running $as_me.])
+} >&AS_MESSAGE_LOG_FD
+
+lt_cl_help="\
+\`$as_me' creates a local libtool stub from the current configuration,
+for use in further configure time tests before the real libtool is
+generated.
+
+Usage: $[0] [[OPTIONS]]
+
+  -h, --help      print this help, then exit
+  -V, --version   print version number, then exit
+  -q, --quiet     do not print progress messages
+  -d, --debug     don't remove temporary files
+
+Report bugs to <bug-libtool at gnu.org>."
+
+lt_cl_version="\
+m4_ifset([AC_PACKAGE_NAME], [AC_PACKAGE_NAME ])config.lt[]dnl
+m4_ifset([AC_PACKAGE_VERSION], [ AC_PACKAGE_VERSION])
+configured by $[0], generated by m4_PACKAGE_STRING.
+
+Copyright (C) 2008 Free Software Foundation, Inc.
+This config.lt script is free software; the Free Software Foundation
+gives unlimited permision to copy, distribute and modify it."
+
+while test $[#] != 0
+do
+  case $[1] in
+    --version | --v* | -V )
+      echo "$lt_cl_version"; exit 0 ;;
+    --help | --h* | -h )
+      echo "$lt_cl_help"; exit 0 ;;
+    --debug | --d* | -d )
+      debug=: ;;
+    --quiet | --q* | --silent | --s* | -q )
+      lt_cl_silent=: ;;
+
+    -*) AC_MSG_ERROR([unrecognized option: $[1]
+Try \`$[0] --help' for more information.]) ;;
+
+    *) AC_MSG_ERROR([unrecognized argument: $[1]
+Try \`$[0] --help' for more information.]) ;;
+  esac
+  shift
+done
+
+if $lt_cl_silent; then
+  exec AS_MESSAGE_FD>/dev/null
+fi
+_LTEOF
+
+cat >>"$CONFIG_LT" <<_LTEOF
+_LT_OUTPUT_LIBTOOL_COMMANDS_INIT
+_LTEOF
+
+cat >>"$CONFIG_LT" <<\_LTEOF
+AC_MSG_NOTICE([creating $ofile])
+_LT_OUTPUT_LIBTOOL_COMMANDS
+AS_EXIT(0)
+_LTEOF
+chmod +x "$CONFIG_LT"
+
+# configure is writing to config.log, but config.lt does its own redirection,
+# appending to config.log, which fails on DOS, as config.log is still kept
+# open by configure.  Here we exec the FD to /dev/null, effectively closing
+# config.log, so it can be properly (re)opened and appended to by config.lt.
+if test "$no_create" != yes; then
+  lt_cl_success=:
+  test "$silent" = yes &&
+    lt_config_lt_args="$lt_config_lt_args --quiet"
+  exec AS_MESSAGE_LOG_FD>/dev/null
+  $SHELL "$CONFIG_LT" $lt_config_lt_args || lt_cl_success=false
+  exec AS_MESSAGE_LOG_FD>>config.log
+  $lt_cl_success || AS_EXIT(1)
+fi
+])# LT_OUTPUT
+
+
+# _LT_CONFIG(TAG)
+# ---------------
+# If TAG is the built-in tag, create an initial libtool script with a
+# default configuration from the untagged config vars.  Otherwise add code
+# to config.status for appending the configuration named by TAG from the
+# matching tagged config vars.
+m4_defun([_LT_CONFIG],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+_LT_CONFIG_SAVE_COMMANDS([
+  m4_define([_LT_TAG], m4_if([$1], [], [C], [$1]))dnl
+  m4_if(_LT_TAG, [C], [
+    # See if we are running on zsh, and set the options which allow our
+    # commands through without removal of \ escapes.
+    if test -n "${ZSH_VERSION+set}" ; then
+      setopt NO_GLOB_SUBST
+    fi
+
+    cfgfile="${ofile}T"
+    trap "$RM \"$cfgfile\"; exit 1" 1 2 15
+    $RM "$cfgfile"
+
+    cat <<_LT_EOF >> "$cfgfile"
+#! $SHELL
+
+# `$ECHO "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
+# Generated automatically by $as_me ($PACKAGE$TIMESTAMP) $VERSION
+# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
+# NOTE: Changes made to this file will be lost: look at ltmain.sh.
+#
+_LT_COPYING
+_LT_LIBTOOL_TAGS
+
+# ### BEGIN LIBTOOL CONFIG
+_LT_LIBTOOL_CONFIG_VARS
+_LT_LIBTOOL_TAG_VARS
+# ### END LIBTOOL CONFIG
+
+_LT_EOF
+
+  case $host_os in
+  aix3*)
+    cat <<\_LT_EOF >> "$cfgfile"
+# AIX sometimes has problems with the GCC collect2 program.  For some
+# reason, if we set the COLLECT_NAMES environment variable, the problems
+# vanish in a puff of smoke.
+if test "X${COLLECT_NAMES+set}" != Xset; then
+  COLLECT_NAMES=
+  export COLLECT_NAMES
+fi
+_LT_EOF
+    ;;
+  esac
+
+  _LT_PROG_LTMAIN
+
+  # We use sed instead of cat because bash on DJGPP gets confused if
+  # if finds mixed CR/LF and LF-only lines.  Since sed operates in
+  # text mode, it properly converts lines to CR/LF.  This bash problem
+  # is reportedly fixed, but why not run on old versions too?
+  sed '/^# Generated shell functions inserted here/q' "$ltmain" >> "$cfgfile" \
+    || (rm -f "$cfgfile"; exit 1)
+
+  _LT_PROG_XSI_SHELLFNS
+
+  sed -n '/^# Generated shell functions inserted here/,$p' "$ltmain" >> "$cfgfile" \
+    || (rm -f "$cfgfile"; exit 1)
+
+  mv -f "$cfgfile" "$ofile" ||
+    (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile")
+  chmod +x "$ofile"
+],
+[cat <<_LT_EOF >> "$ofile"
+
+dnl Unfortunately we have to use $1 here, since _LT_TAG is not expanded
+dnl in a comment (ie after a #).
+# ### BEGIN LIBTOOL TAG CONFIG: $1
+_LT_LIBTOOL_TAG_VARS(_LT_TAG)
+# ### END LIBTOOL TAG CONFIG: $1
+_LT_EOF
+])dnl /m4_if
+],
+[m4_if([$1], [], [
+    PACKAGE='$PACKAGE'
+    VERSION='$VERSION'
+    TIMESTAMP='$TIMESTAMP'
+    RM='$RM'
+    ofile='$ofile'], [])
+])dnl /_LT_CONFIG_SAVE_COMMANDS
+])# _LT_CONFIG
+
+
+# LT_SUPPORTED_TAG(TAG)
+# ---------------------
+# Trace this macro to discover what tags are supported by the libtool
+# --tag option, using:
+#    autoconf --trace 'LT_SUPPORTED_TAG:$1'
+AC_DEFUN([LT_SUPPORTED_TAG], [])
+
+
+# C support is built-in for now
+m4_define([_LT_LANG_C_enabled], [])
+m4_define([_LT_TAGS], [])
+
+
+# LT_LANG(LANG)
+# -------------
+# Enable libtool support for the given language if not already enabled.
+AC_DEFUN([LT_LANG],
+[AC_BEFORE([$0], [LT_OUTPUT])dnl
+m4_case([$1],
+  [C],			[_LT_LANG(C)],
+  [C++],		[_LT_LANG(CXX)],
+  [Java],		[_LT_LANG(GCJ)],
+  [Fortran 77],		[_LT_LANG(F77)],
+  [Fortran],		[_LT_LANG(FC)],
+  [Windows Resource],	[_LT_LANG(RC)],
+  [m4_ifdef([_LT_LANG_]$1[_CONFIG],
+    [_LT_LANG($1)],
+    [m4_fatal([$0: unsupported language: "$1"])])])dnl
+])# LT_LANG
+
+
+# _LT_LANG(LANGNAME)
+# ------------------
+m4_defun([_LT_LANG],
+[m4_ifdef([_LT_LANG_]$1[_enabled], [],
+  [LT_SUPPORTED_TAG([$1])dnl
+  m4_append([_LT_TAGS], [$1 ])dnl
+  m4_define([_LT_LANG_]$1[_enabled], [])dnl
+  _LT_LANG_$1_CONFIG($1)])dnl
+])# _LT_LANG
+
+
+# _LT_LANG_DEFAULT_CONFIG
+# -----------------------
+m4_defun([_LT_LANG_DEFAULT_CONFIG],
+[AC_PROVIDE_IFELSE([AC_PROG_CXX],
+  [LT_LANG(CXX)],
+  [m4_define([AC_PROG_CXX], defn([AC_PROG_CXX])[LT_LANG(CXX)])])
+
+AC_PROVIDE_IFELSE([AC_PROG_F77],
+  [LT_LANG(F77)],
+  [m4_define([AC_PROG_F77], defn([AC_PROG_F77])[LT_LANG(F77)])])
+
+AC_PROVIDE_IFELSE([AC_PROG_FC],
+  [LT_LANG(FC)],
+  [m4_define([AC_PROG_FC], defn([AC_PROG_FC])[LT_LANG(FC)])])
+
+dnl The call to [A][M_PROG_GCJ] is quoted like that to stop aclocal
+dnl pulling things in needlessly.
+AC_PROVIDE_IFELSE([AC_PROG_GCJ],
+  [LT_LANG(GCJ)],
+  [AC_PROVIDE_IFELSE([A][M_PROG_GCJ],
+    [LT_LANG(GCJ)],
+    [AC_PROVIDE_IFELSE([LT_PROG_GCJ],
+      [LT_LANG(GCJ)],
+      [m4_ifdef([AC_PROG_GCJ],
+	[m4_define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[LT_LANG(GCJ)])])
+       m4_ifdef([A][M_PROG_GCJ],
+	[m4_define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[LT_LANG(GCJ)])])
+       m4_ifdef([LT_PROG_GCJ],
+	[m4_define([LT_PROG_GCJ], defn([LT_PROG_GCJ])[LT_LANG(GCJ)])])])])])
+
+AC_PROVIDE_IFELSE([LT_PROG_RC],
+  [LT_LANG(RC)],
+  [m4_define([LT_PROG_RC], defn([LT_PROG_RC])[LT_LANG(RC)])])
+])# _LT_LANG_DEFAULT_CONFIG
+
+# Obsolete macros:
+AU_DEFUN([AC_LIBTOOL_CXX], [LT_LANG(C++)])
+AU_DEFUN([AC_LIBTOOL_F77], [LT_LANG(Fortran 77)])
+AU_DEFUN([AC_LIBTOOL_FC], [LT_LANG(Fortran)])
+AU_DEFUN([AC_LIBTOOL_GCJ], [LT_LANG(Java)])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_CXX], [])
+dnl AC_DEFUN([AC_LIBTOOL_F77], [])
+dnl AC_DEFUN([AC_LIBTOOL_FC], [])
+dnl AC_DEFUN([AC_LIBTOOL_GCJ], [])
+
+
+# _LT_TAG_COMPILER
+# ----------------
+m4_defun([_LT_TAG_COMPILER],
+[AC_REQUIRE([AC_PROG_CC])dnl
+
+_LT_DECL([LTCC], [CC], [1], [A C compiler])dnl
+_LT_DECL([LTCFLAGS], [CFLAGS], [1], [LTCC compiler flags])dnl
+_LT_TAGDECL([CC], [compiler], [1], [A language specific compiler])dnl
+_LT_TAGDECL([with_gcc], [GCC], [0], [Is the compiler the GNU compiler?])dnl
+
+# If no C compiler was specified, use CC.
+LTCC=${LTCC-"$CC"}
+
+# If no C compiler flags were specified, use CFLAGS.
+LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
+
+# Allow CC to be a program name with arguments.
+compiler=$CC
+])# _LT_TAG_COMPILER
+
+
+# _LT_COMPILER_BOILERPLATE
+# ------------------------
+# Check for compiler boilerplate output or warnings with
+# the simple compiler test code.
+m4_defun([_LT_COMPILER_BOILERPLATE],
+[m4_require([_LT_DECL_SED])dnl
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_compile_test_code" >conftest.$ac_ext
+eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_compiler_boilerplate=`cat conftest.err`
+$RM conftest*
+])# _LT_COMPILER_BOILERPLATE
+
+
+# _LT_LINKER_BOILERPLATE
+# ----------------------
+# Check for linker boilerplate output or warnings with
+# the simple link test code.
+m4_defun([_LT_LINKER_BOILERPLATE],
+[m4_require([_LT_DECL_SED])dnl
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_link_test_code" >conftest.$ac_ext
+eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_linker_boilerplate=`cat conftest.err`
+$RM -r conftest*
+])# _LT_LINKER_BOILERPLATE
+
+# _LT_REQUIRED_DARWIN_CHECKS
+# -------------------------
+m4_defun_once([_LT_REQUIRED_DARWIN_CHECKS],[
+  case $host_os in
+    rhapsody* | darwin*)
+    AC_CHECK_TOOL([DSYMUTIL], [dsymutil], [:])
+    AC_CHECK_TOOL([NMEDIT], [nmedit], [:])
+    AC_CHECK_TOOL([LIPO], [lipo], [:])
+    AC_CHECK_TOOL([OTOOL], [otool], [:])
+    AC_CHECK_TOOL([OTOOL64], [otool64], [:])
+    _LT_DECL([], [DSYMUTIL], [1],
+      [Tool to manipulate archived DWARF debug symbol files on Mac OS X])
+    _LT_DECL([], [NMEDIT], [1],
+      [Tool to change global to local symbols on Mac OS X])
+    _LT_DECL([], [LIPO], [1],
+      [Tool to manipulate fat objects and archives on Mac OS X])
+    _LT_DECL([], [OTOOL], [1],
+      [ldd/readelf like tool for Mach-O binaries on Mac OS X])
+    _LT_DECL([], [OTOOL64], [1],
+      [ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4])
+
+    AC_CACHE_CHECK([for -single_module linker flag],[lt_cv_apple_cc_single_mod],
+      [lt_cv_apple_cc_single_mod=no
+      if test -z "${LT_MULTI_MODULE}"; then
+	# By default we will add the -single_module flag. You can override
+	# by either setting the environment variable LT_MULTI_MODULE
+	# non-empty at configure time, or by adding -multi_module to the
+	# link flags.
+	rm -rf libconftest.dylib*
+	echo "int foo(void){return 1;}" > conftest.c
+	echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
+-dynamiclib -Wl,-single_module conftest.c" >&AS_MESSAGE_LOG_FD
+	$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
+	  -dynamiclib -Wl,-single_module conftest.c 2>conftest.err
+        _lt_result=$?
+	if test -f libconftest.dylib && test ! -s conftest.err && test $_lt_result = 0; then
+	  lt_cv_apple_cc_single_mod=yes
+	else
+	  cat conftest.err >&AS_MESSAGE_LOG_FD
+	fi
+	rm -rf libconftest.dylib*
+	rm -f conftest.*
+      fi])
+    AC_CACHE_CHECK([for -exported_symbols_list linker flag],
+      [lt_cv_ld_exported_symbols_list],
+      [lt_cv_ld_exported_symbols_list=no
+      save_LDFLAGS=$LDFLAGS
+      echo "_main" > conftest.sym
+      LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym"
+      AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
+	[lt_cv_ld_exported_symbols_list=yes],
+	[lt_cv_ld_exported_symbols_list=no])
+	LDFLAGS="$save_LDFLAGS"
+    ])
+    case $host_os in
+    rhapsody* | darwin1.[[012]])
+      _lt_dar_allow_undefined='${wl}-undefined ${wl}suppress' ;;
+    darwin1.*)
+      _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
+    darwin*) # darwin 5.x on 
+      # if running on 10.5 or later, the deployment target defaults
+      # to the OS version, if on x86, and 10.4, the deployment
+      # target defaults to 10.4. Don't you love it? 
+      case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
+	10.0,*86*-darwin8*|10.0,*-darwin[[91]]*)
+	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
+	10.[[012]]*)
+	  _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
+	10.*)
+	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
+      esac
+    ;;
+  esac
+    if test "$lt_cv_apple_cc_single_mod" = "yes"; then
+      _lt_dar_single_mod='$single_module'
+    fi
+    if test "$lt_cv_ld_exported_symbols_list" = "yes"; then
+      _lt_dar_export_syms=' ${wl}-exported_symbols_list,$output_objdir/${libname}-symbols.expsym'
+    else
+      _lt_dar_export_syms='~$NMEDIT -s $output_objdir/${libname}-symbols.expsym ${lib}'
+    fi
+    if test "$DSYMUTIL" != ":"; then
+      _lt_dsymutil='~$DSYMUTIL $lib || :'
+    else
+      _lt_dsymutil=
+    fi
+    ;;
+  esac
+])
+
+
+# _LT_DARWIN_LINKER_FEATURES
+# --------------------------
+# Checks for linker and compiler features on darwin
+m4_defun([_LT_DARWIN_LINKER_FEATURES],
+[
+  m4_require([_LT_REQUIRED_DARWIN_CHECKS])
+  _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+  _LT_TAGVAR(hardcode_direct, $1)=no
+  _LT_TAGVAR(hardcode_automatic, $1)=yes
+  _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+  _LT_TAGVAR(whole_archive_flag_spec, $1)=''
+  _LT_TAGVAR(link_all_deplibs, $1)=yes
+  _LT_TAGVAR(allow_undefined_flag, $1)="$_lt_dar_allow_undefined"
+  if test "$GCC" = "yes"; then
+    output_verbose_link_cmd=echo
+    _LT_TAGVAR(archive_cmds, $1)="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}"
+    _LT_TAGVAR(module_cmds, $1)="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}"
+    _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}"
+    _LT_TAGVAR(module_expsym_cmds, $1)="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}"
+    m4_if([$1], [CXX],
+[   if test "$lt_cv_apple_cc_single_mod" != "yes"; then
+      _LT_TAGVAR(archive_cmds, $1)="\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dsymutil}"
+      _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dar_export_syms}${_lt_dsymutil}"
+    fi
+],[])
+  else
+  _LT_TAGVAR(ld_shlibs, $1)=no
+  fi
+])
+
+# _LT_SYS_MODULE_PATH_AIX
+# -----------------------
+# Links a minimal program and checks the executable
+# for the system default hardcoded library path. In most cases,
+# this is /usr/lib:/lib, but when the MPI compilers are used
+# the location of the communication and MPI libs are included too.
+# If we don't find anything, use the default library path according
+# to the aix ld manual.
+m4_defun([_LT_SYS_MODULE_PATH_AIX],
+[m4_require([_LT_DECL_SED])dnl
+AC_LINK_IFELSE(AC_LANG_PROGRAM,[
+lt_aix_libpath_sed='
+    /Import File Strings/,/^$/ {
+	/^0/ {
+	    s/^0  *\(.*\)$/\1/
+	    p
+	}
+    }'
+aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+# Check for a 64-bit object if we didn't find anything.
+if test -z "$aix_libpath"; then
+  aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+fi],[])
+if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
+])# _LT_SYS_MODULE_PATH_AIX
+
+
+# _LT_SHELL_INIT(ARG)
+# -------------------
+m4_define([_LT_SHELL_INIT],
+[ifdef([AC_DIVERSION_NOTICE],
+	     [AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)],
+	 [AC_DIVERT_PUSH(NOTICE)])
+$1
+AC_DIVERT_POP
+])# _LT_SHELL_INIT
+
+
+# _LT_PROG_ECHO_BACKSLASH
+# -----------------------
+# Add some code to the start of the generated configure script which
+# will find an echo command which doesn't interpret backslashes.
+m4_defun([_LT_PROG_ECHO_BACKSLASH],
+[_LT_SHELL_INIT([
+# Check that we are running under the correct shell.
+SHELL=${CONFIG_SHELL-/bin/sh}
+
+case X$lt_ECHO in
+X*--fallback-echo)
+  # Remove one level of quotation (which was required for Make).
+  ECHO=`echo "$lt_ECHO" | sed 's,\\\\\[$]\\[$]0,'[$]0','`
+  ;;
+esac
+
+ECHO=${lt_ECHO-echo}
+if test "X[$]1" = X--no-reexec; then
+  # Discard the --no-reexec flag, and continue.
+  shift
+elif test "X[$]1" = X--fallback-echo; then
+  # Avoid inline document here, it may be left over
+  :
+elif test "X`{ $ECHO '\t'; } 2>/dev/null`" = 'X\t' ; then
+  # Yippee, $ECHO works!
+  :
+else
+  # Restart under the correct shell.
+  exec $SHELL "[$]0" --no-reexec ${1+"[$]@"}
+fi
+
+if test "X[$]1" = X--fallback-echo; then
+  # used as fallback echo
+  shift
+  cat <<_LT_EOF
+[$]*
+_LT_EOF
+  exit 0
+fi
+
+# The HP-UX ksh and POSIX shell print the target directory to stdout
+# if CDPATH is set.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+if test -z "$lt_ECHO"; then
+  if test "X${echo_test_string+set}" != Xset; then
+    # find a string as large as possible, as long as the shell can cope with it
+    for cmd in 'sed 50q "[$]0"' 'sed 20q "[$]0"' 'sed 10q "[$]0"' 'sed 2q "[$]0"' 'echo test'; do
+      # expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ...
+      if { echo_test_string=`eval $cmd`; } 2>/dev/null &&
+	 { test "X$echo_test_string" = "X$echo_test_string"; } 2>/dev/null
+      then
+        break
+      fi
+    done
+  fi
+
+  if test "X`{ $ECHO '\t'; } 2>/dev/null`" = 'X\t' &&
+     echo_testing_string=`{ $ECHO "$echo_test_string"; } 2>/dev/null` &&
+     test "X$echo_testing_string" = "X$echo_test_string"; then
+    :
+  else
+    # The Solaris, AIX, and Digital Unix default echo programs unquote
+    # backslashes.  This makes it impossible to quote backslashes using
+    #   echo "$something" | sed 's/\\/\\\\/g'
+    #
+    # So, first we look for a working echo in the user's PATH.
+
+    lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+    for dir in $PATH /usr/ucb; do
+      IFS="$lt_save_ifs"
+      if (test -f $dir/echo || test -f $dir/echo$ac_exeext) &&
+         test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' &&
+         echo_testing_string=`($dir/echo "$echo_test_string") 2>/dev/null` &&
+         test "X$echo_testing_string" = "X$echo_test_string"; then
+        ECHO="$dir/echo"
+        break
+      fi
+    done
+    IFS="$lt_save_ifs"
+
+    if test "X$ECHO" = Xecho; then
+      # We didn't find a better echo, so look for alternatives.
+      if test "X`{ print -r '\t'; } 2>/dev/null`" = 'X\t' &&
+         echo_testing_string=`{ print -r "$echo_test_string"; } 2>/dev/null` &&
+         test "X$echo_testing_string" = "X$echo_test_string"; then
+        # This shell has a builtin print -r that does the trick.
+        ECHO='print -r'
+      elif { test -f /bin/ksh || test -f /bin/ksh$ac_exeext; } &&
+	   test "X$CONFIG_SHELL" != X/bin/ksh; then
+        # If we have ksh, try running configure again with it.
+        ORIGINAL_CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
+        export ORIGINAL_CONFIG_SHELL
+        CONFIG_SHELL=/bin/ksh
+        export CONFIG_SHELL
+        exec $CONFIG_SHELL "[$]0" --no-reexec ${1+"[$]@"}
+      else
+        # Try using printf.
+        ECHO='printf %s\n'
+        if test "X`{ $ECHO '\t'; } 2>/dev/null`" = 'X\t' &&
+	   echo_testing_string=`{ $ECHO "$echo_test_string"; } 2>/dev/null` &&
+	   test "X$echo_testing_string" = "X$echo_test_string"; then
+	  # Cool, printf works
+	  :
+        elif echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` &&
+	     test "X$echo_testing_string" = 'X\t' &&
+	     echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
+	     test "X$echo_testing_string" = "X$echo_test_string"; then
+	  CONFIG_SHELL=$ORIGINAL_CONFIG_SHELL
+	  export CONFIG_SHELL
+	  SHELL="$CONFIG_SHELL"
+	  export SHELL
+	  ECHO="$CONFIG_SHELL [$]0 --fallback-echo"
+        elif echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` &&
+	     test "X$echo_testing_string" = 'X\t' &&
+	     echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
+	     test "X$echo_testing_string" = "X$echo_test_string"; then
+	  ECHO="$CONFIG_SHELL [$]0 --fallback-echo"
+        else
+	  # maybe with a smaller string...
+	  prev=:
+
+	  for cmd in 'echo test' 'sed 2q "[$]0"' 'sed 10q "[$]0"' 'sed 20q "[$]0"' 'sed 50q "[$]0"'; do
+	    if { test "X$echo_test_string" = "X`eval $cmd`"; } 2>/dev/null
+	    then
+	      break
+	    fi
+	    prev="$cmd"
+	  done
+
+	  if test "$prev" != 'sed 50q "[$]0"'; then
+	    echo_test_string=`eval $prev`
+	    export echo_test_string
+	    exec ${ORIGINAL_CONFIG_SHELL-${CONFIG_SHELL-/bin/sh}} "[$]0" ${1+"[$]@"}
+	  else
+	    # Oops.  We lost completely, so just stick with echo.
+	    ECHO=echo
+	  fi
+        fi
+      fi
+    fi
+  fi
+fi
+
+# Copy echo and quote the copy suitably for passing to libtool from
+# the Makefile, instead of quoting the original, which is used later.
+lt_ECHO=$ECHO
+if test "X$lt_ECHO" = "X$CONFIG_SHELL [$]0 --fallback-echo"; then
+   lt_ECHO="$CONFIG_SHELL \\\$\[$]0 --fallback-echo"
+fi
+
+AC_SUBST(lt_ECHO)
+])
+_LT_DECL([], [SHELL], [1], [Shell to use when invoking shell scripts])
+_LT_DECL([], [ECHO], [1],
+    [An echo program that does not interpret backslashes])
+])# _LT_PROG_ECHO_BACKSLASH
+
+
+# _LT_ENABLE_LOCK
+# ---------------
+m4_defun([_LT_ENABLE_LOCK],
+[AC_ARG_ENABLE([libtool-lock],
+  [AS_HELP_STRING([--disable-libtool-lock],
+    [avoid locking (might break parallel builds)])])
+test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes
+
+# Some flags need to be propagated to the compiler or linker for good
+# libtool support.
+case $host in
+ia64-*-hpux*)
+  # Find out which ABI we are using.
+  echo 'int i;' > conftest.$ac_ext
+  if AC_TRY_EVAL(ac_compile); then
+    case `/usr/bin/file conftest.$ac_objext` in
+      *ELF-32*)
+	HPUX_IA64_MODE="32"
+	;;
+      *ELF-64*)
+	HPUX_IA64_MODE="64"
+	;;
+    esac
+  fi
+  rm -rf conftest*
+  ;;
+*-*-irix6*)
+  # Find out which ABI we are using.
+  echo '[#]line __oline__ "configure"' > conftest.$ac_ext
+  if AC_TRY_EVAL(ac_compile); then
+    if test "$lt_cv_prog_gnu_ld" = yes; then
+      case `/usr/bin/file conftest.$ac_objext` in
+	*32-bit*)
+	  LD="${LD-ld} -melf32bsmip"
+	  ;;
+	*N32*)
+	  LD="${LD-ld} -melf32bmipn32"
+	  ;;
+	*64-bit*)
+	  LD="${LD-ld} -melf64bmip"
+	;;
+      esac
+    else
+      case `/usr/bin/file conftest.$ac_objext` in
+	*32-bit*)
+	  LD="${LD-ld} -32"
+	  ;;
+	*N32*)
+	  LD="${LD-ld} -n32"
+	  ;;
+	*64-bit*)
+	  LD="${LD-ld} -64"
+	  ;;
+      esac
+    fi
+  fi
+  rm -rf conftest*
+  ;;
+
+x86_64-*kfreebsd*-gnu|x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*| \
+s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
+  # Find out which ABI we are using.
+  echo 'int i;' > conftest.$ac_ext
+  if AC_TRY_EVAL(ac_compile); then
+    case `/usr/bin/file conftest.o` in
+      *32-bit*)
+	case $host in
+	  x86_64-*kfreebsd*-gnu)
+	    LD="${LD-ld} -m elf_i386_fbsd"
+	    ;;
+	  x86_64-*linux*)
+	    LD="${LD-ld} -m elf_i386"
+	    ;;
+	  ppc64-*linux*|powerpc64-*linux*)
+	    LD="${LD-ld} -m elf32ppclinux"
+	    ;;
+	  s390x-*linux*)
+	    LD="${LD-ld} -m elf_s390"
+	    ;;
+	  sparc64-*linux*)
+	    LD="${LD-ld} -m elf32_sparc"
+	    ;;
+	esac
+	;;
+      *64-bit*)
+	case $host in
+	  x86_64-*kfreebsd*-gnu)
+	    LD="${LD-ld} -m elf_x86_64_fbsd"
+	    ;;
+	  x86_64-*linux*)
+	    LD="${LD-ld} -m elf_x86_64"
+	    ;;
+	  ppc*-*linux*|powerpc*-*linux*)
+	    LD="${LD-ld} -m elf64ppc"
+	    ;;
+	  s390*-*linux*|s390*-*tpf*)
+	    LD="${LD-ld} -m elf64_s390"
+	    ;;
+	  sparc*-*linux*)
+	    LD="${LD-ld} -m elf64_sparc"
+	    ;;
+	esac
+	;;
+    esac
+  fi
+  rm -rf conftest*
+  ;;
+
+*-*-sco3.2v5*)
+  # On SCO OpenServer 5, we need -belf to get full-featured binaries.
+  SAVE_CFLAGS="$CFLAGS"
+  CFLAGS="$CFLAGS -belf"
+  AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
+    [AC_LANG_PUSH(C)
+     AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])
+     AC_LANG_POP])
+  if test x"$lt_cv_cc_needs_belf" != x"yes"; then
+    # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
+    CFLAGS="$SAVE_CFLAGS"
+  fi
+  ;;
+sparc*-*solaris*)
+  # Find out which ABI we are using.
+  echo 'int i;' > conftest.$ac_ext
+  if AC_TRY_EVAL(ac_compile); then
+    case `/usr/bin/file conftest.o` in
+    *64-bit*)
+      case $lt_cv_prog_gnu_ld in
+      yes*) LD="${LD-ld} -m elf64_sparc" ;;
+      *)
+	if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then
+	  LD="${LD-ld} -64"
+	fi
+	;;
+      esac
+      ;;
+    esac
+  fi
+  rm -rf conftest*
+  ;;
+esac
+
+need_locks="$enable_libtool_lock"
+])# _LT_ENABLE_LOCK
+
+
+# _LT_CMD_OLD_ARCHIVE
+# -------------------
+m4_defun([_LT_CMD_OLD_ARCHIVE],
+[AC_CHECK_TOOL(AR, ar, false)
+test -z "$AR" && AR=ar
+test -z "$AR_FLAGS" && AR_FLAGS=cru
+_LT_DECL([], [AR], [1], [The archiver])
+_LT_DECL([], [AR_FLAGS], [1])
+
+AC_CHECK_TOOL(STRIP, strip, :)
+test -z "$STRIP" && STRIP=:
+_LT_DECL([], [STRIP], [1], [A symbol stripping program])
+
+AC_CHECK_TOOL(RANLIB, ranlib, :)
+test -z "$RANLIB" && RANLIB=:
+_LT_DECL([], [RANLIB], [1],
+    [Commands used to install an old-style archive])
+
+# Determine commands to create old-style static archives.
+old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs'
+old_postinstall_cmds='chmod 644 $oldlib'
+old_postuninstall_cmds=
+
+if test -n "$RANLIB"; then
+  case $host_os in
+  openbsd*)
+    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$oldlib"
+    ;;
+  *)
+    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$oldlib"
+    ;;
+  esac
+  old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
+fi
+_LT_DECL([], [old_postinstall_cmds], [2])
+_LT_DECL([], [old_postuninstall_cmds], [2])
+_LT_TAGDECL([], [old_archive_cmds], [2],
+    [Commands used to build an old-style archive])
+])# _LT_CMD_OLD_ARCHIVE
+
+
+# _LT_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
+#		[OUTPUT-FILE], [ACTION-SUCCESS], [ACTION-FAILURE])
+# ----------------------------------------------------------------
+# Check whether the given compiler option works
+AC_DEFUN([_LT_COMPILER_OPTION],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_SED])dnl
+AC_CACHE_CHECK([$1], [$2],
+  [$2=no
+   m4_if([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4])
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+   lt_compiler_flag="$3"
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   # The option is referenced via a variable to avoid confusing sed.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:__oline__: $lt_compile\"" >&AS_MESSAGE_LOG_FD)
+   (eval "$lt_compile" 2>conftest.err)
+   ac_status=$?
+   cat conftest.err >&AS_MESSAGE_LOG_FD
+   echo "$as_me:__oline__: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
+   if (exit $ac_status) && test -s "$ac_outfile"; then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings other than the usual output.
+     $ECHO "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' >conftest.exp
+     $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+     if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
+       $2=yes
+     fi
+   fi
+   $RM conftest*
+])
+
+if test x"[$]$2" = xyes; then
+    m4_if([$5], , :, [$5])
+else
+    m4_if([$6], , :, [$6])
+fi
+])# _LT_COMPILER_OPTION
+
+# Old name:
+AU_ALIAS([AC_LIBTOOL_COMPILER_OPTION], [_LT_COMPILER_OPTION])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION], [])
+
+
+# _LT_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
+#                  [ACTION-SUCCESS], [ACTION-FAILURE])
+# ----------------------------------------------------
+# Check whether the given linker option works
+AC_DEFUN([_LT_LINKER_OPTION],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_SED])dnl
+AC_CACHE_CHECK([$1], [$2],
+  [$2=no
+   save_LDFLAGS="$LDFLAGS"
+   LDFLAGS="$LDFLAGS $3"
+   echo "$lt_simple_link_test_code" > conftest.$ac_ext
+   if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
+     # The linker can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     if test -s conftest.err; then
+       # Append any errors to the config.log.
+       cat conftest.err 1>&AS_MESSAGE_LOG_FD
+       $ECHO "X$_lt_linker_boilerplate" | $Xsed -e '/^$/d' > conftest.exp
+       $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+       if diff conftest.exp conftest.er2 >/dev/null; then
+         $2=yes
+       fi
+     else
+       $2=yes
+     fi
+   fi
+   $RM -r conftest*
+   LDFLAGS="$save_LDFLAGS"
+])
+
+if test x"[$]$2" = xyes; then
+    m4_if([$4], , :, [$4])
+else
+    m4_if([$5], , :, [$5])
+fi
+])# _LT_LINKER_OPTION
+
+# Old name:
+AU_ALIAS([AC_LIBTOOL_LINKER_OPTION], [_LT_LINKER_OPTION])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_LINKER_OPTION], [])
+
+
+# LT_CMD_MAX_LEN
+#---------------
+AC_DEFUN([LT_CMD_MAX_LEN],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+# find the maximum length of command line arguments
+AC_MSG_CHECKING([the maximum length of command line arguments])
+AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl
+  i=0
+  teststring="ABCD"
+
+  case $build_os in
+  msdosdjgpp*)
+    # On DJGPP, this test can blow up pretty badly due to problems in libc
+    # (any single argument exceeding 2000 bytes causes a buffer overrun
+    # during glob expansion).  Even if it were fixed, the result of this
+    # check would be larger than it should be.
+    lt_cv_sys_max_cmd_len=12288;    # 12K is about right
+    ;;
+
+  gnu*)
+    # Under GNU Hurd, this test is not required because there is
+    # no limit to the length of command line arguments.
+    # Libtool will interpret -1 as no limit whatsoever
+    lt_cv_sys_max_cmd_len=-1;
+    ;;
+
+  cygwin* | mingw*)
+    # On Win9x/ME, this test blows up -- it succeeds, but takes
+    # about 5 minutes as the teststring grows exponentially.
+    # Worse, since 9x/ME are not pre-emptively multitasking,
+    # you end up with a "frozen" computer, even though with patience
+    # the test eventually succeeds (with a max line length of 256k).
+    # Instead, let's just punt: use the minimum linelength reported by
+    # all of the supported platforms: 8192 (on NT/2K/XP).
+    lt_cv_sys_max_cmd_len=8192;
+    ;;
+
+  amigaos*)
+    # On AmigaOS with pdksh, this test takes hours, literally.
+    # So we just punt and use a minimum line length of 8192.
+    lt_cv_sys_max_cmd_len=8192;
+    ;;
+
+  netbsd* | freebsd* | openbsd* | darwin* | dragonfly*)
+    # This has been around since 386BSD, at least.  Likely further.
+    if test -x /sbin/sysctl; then
+      lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax`
+    elif test -x /usr/sbin/sysctl; then
+      lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax`
+    else
+      lt_cv_sys_max_cmd_len=65536	# usable default for all BSDs
+    fi
+    # And add a safety zone
+    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
+    ;;
+
+  interix*)
+    # We know the value 262144 and hardcode it with a safety zone (like BSD)
+    lt_cv_sys_max_cmd_len=196608
+    ;;
+
+  osf*)
+    # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
+    # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not
+    # nice to cause kernel panics so lets avoid the loop below.
+    # First set a reasonable default.
+    lt_cv_sys_max_cmd_len=16384
+    #
+    if test -x /sbin/sysconfig; then
+      case `/sbin/sysconfig -q proc exec_disable_arg_limit` in
+        *1*) lt_cv_sys_max_cmd_len=-1 ;;
+      esac
+    fi
+    ;;
+  sco3.2v5*)
+    lt_cv_sys_max_cmd_len=102400
+    ;;
+  sysv5* | sco5v6* | sysv4.2uw2*)
+    kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null`
+    if test -n "$kargmax"; then
+      lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[[	 ]]//'`
+    else
+      lt_cv_sys_max_cmd_len=32768
+    fi
+    ;;
+  *)
+    lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null`
+    if test -n "$lt_cv_sys_max_cmd_len"; then
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
+    else
+      # Make teststring a little bigger before we do anything with it.
+      # a 1K string should be a reasonable start.
+      for i in 1 2 3 4 5 6 7 8 ; do
+        teststring=$teststring$teststring
+      done
+      SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}}
+      # If test is not a shell built-in, we'll probably end up computing a
+      # maximum length that is only half of the actual maximum length, but
+      # we can't tell.
+      while { test "X"`$SHELL [$]0 --fallback-echo "X$teststring$teststring" 2>/dev/null` \
+	         = "XX$teststring$teststring"; } >/dev/null 2>&1 &&
+	      test $i != 17 # 1/2 MB should be enough
+      do
+        i=`expr $i + 1`
+        teststring=$teststring$teststring
+      done
+      # Only check the string length outside the loop.
+      lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1`
+      teststring=
+      # Add a significant safety factor because C++ compilers can tack on
+      # massive amounts of additional arguments before passing them to the
+      # linker.  It appears as though 1/2 is a usable value.
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2`
+    fi
+    ;;
+  esac
+])
+if test -n $lt_cv_sys_max_cmd_len ; then
+  AC_MSG_RESULT($lt_cv_sys_max_cmd_len)
+else
+  AC_MSG_RESULT(none)
+fi
+max_cmd_len=$lt_cv_sys_max_cmd_len
+_LT_DECL([], [max_cmd_len], [0],
+    [What is the maximum length of a command?])
+])# LT_CMD_MAX_LEN
+
+# Old name:
+AU_ALIAS([AC_LIBTOOL_SYS_MAX_CMD_LEN], [LT_CMD_MAX_LEN])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN], [])
+
+
+# _LT_HEADER_DLFCN
+# ----------------
+m4_defun([_LT_HEADER_DLFCN],
+[AC_CHECK_HEADERS([dlfcn.h], [], [], [AC_INCLUDES_DEFAULT])dnl
+])# _LT_HEADER_DLFCN
+
+
+# _LT_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE,
+#                      ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING)
+# ----------------------------------------------------------------
+m4_defun([_LT_TRY_DLOPEN_SELF],
+[m4_require([_LT_HEADER_DLFCN])dnl
+if test "$cross_compiling" = yes; then :
+  [$4]
+else
+  lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
+  lt_status=$lt_dlunknown
+  cat > conftest.$ac_ext <<_LT_EOF
+[#line __oline__ "configure"
+#include "confdefs.h"
+
+#if HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+
+#include <stdio.h>
+
+#ifdef RTLD_GLOBAL
+#  define LT_DLGLOBAL		RTLD_GLOBAL
+#else
+#  ifdef DL_GLOBAL
+#    define LT_DLGLOBAL		DL_GLOBAL
+#  else
+#    define LT_DLGLOBAL		0
+#  endif
+#endif
+
+/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
+   find out it does not work in some platform. */
+#ifndef LT_DLLAZY_OR_NOW
+#  ifdef RTLD_LAZY
+#    define LT_DLLAZY_OR_NOW		RTLD_LAZY
+#  else
+#    ifdef DL_LAZY
+#      define LT_DLLAZY_OR_NOW		DL_LAZY
+#    else
+#      ifdef RTLD_NOW
+#        define LT_DLLAZY_OR_NOW	RTLD_NOW
+#      else
+#        ifdef DL_NOW
+#          define LT_DLLAZY_OR_NOW	DL_NOW
+#        else
+#          define LT_DLLAZY_OR_NOW	0
+#        endif
+#      endif
+#    endif
+#  endif
+#endif
+
+#ifdef __cplusplus
+extern "C" void exit (int);
+#endif
+
+void fnord() { int i=42;}
+int main ()
+{
+  void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
+  int status = $lt_dlunknown;
+
+  if (self)
+    {
+      if (dlsym (self,"fnord"))       status = $lt_dlno_uscore;
+      else if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore;
+      /* dlclose (self); */
+    }
+  else
+    puts (dlerror ());
+
+    exit (status);
+}]
+_LT_EOF
+  if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} 2>/dev/null; then
+    (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null
+    lt_status=$?
+    case x$lt_status in
+      x$lt_dlno_uscore) $1 ;;
+      x$lt_dlneed_uscore) $2 ;;
+      x$lt_dlunknown|x*) $3 ;;
+    esac
+  else :
+    # compilation failed
+    $3
+  fi
+fi
+rm -fr conftest*
+])# _LT_TRY_DLOPEN_SELF
+
+
+# LT_SYS_DLOPEN_SELF
+# ------------------
+AC_DEFUN([LT_SYS_DLOPEN_SELF],
+[m4_require([_LT_HEADER_DLFCN])dnl
+if test "x$enable_dlopen" != xyes; then
+  enable_dlopen=unknown
+  enable_dlopen_self=unknown
+  enable_dlopen_self_static=unknown
+else
+  lt_cv_dlopen=no
+  lt_cv_dlopen_libs=
+
+  case $host_os in
+  beos*)
+    lt_cv_dlopen="load_add_on"
+    lt_cv_dlopen_libs=
+    lt_cv_dlopen_self=yes
+    ;;
+
+  mingw* | pw32*)
+    lt_cv_dlopen="LoadLibrary"
+    lt_cv_dlopen_libs=
+    ;;
+
+  cygwin*)
+    lt_cv_dlopen="dlopen"
+    lt_cv_dlopen_libs=
+    ;;
+
+  darwin*)
+  # if libdl is installed we need to link against it
+    AC_CHECK_LIB([dl], [dlopen],
+		[lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"],[
+    lt_cv_dlopen="dyld"
+    lt_cv_dlopen_libs=
+    lt_cv_dlopen_self=yes
+    ])
+    ;;
+
+  *)
+    AC_CHECK_FUNC([shl_load],
+	  [lt_cv_dlopen="shl_load"],
+      [AC_CHECK_LIB([dld], [shl_load],
+	    [lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"],
+	[AC_CHECK_FUNC([dlopen],
+	      [lt_cv_dlopen="dlopen"],
+	  [AC_CHECK_LIB([dl], [dlopen],
+		[lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"],
+	    [AC_CHECK_LIB([svld], [dlopen],
+		  [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"],
+	      [AC_CHECK_LIB([dld], [dld_link],
+		    [lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"])
+	      ])
+	    ])
+	  ])
+	])
+      ])
+    ;;
+  esac
+
+  if test "x$lt_cv_dlopen" != xno; then
+    enable_dlopen=yes
+  else
+    enable_dlopen=no
+  fi
+
+  case $lt_cv_dlopen in
+  dlopen)
+    save_CPPFLAGS="$CPPFLAGS"
+    test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
+
+    save_LDFLAGS="$LDFLAGS"
+    wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
+
+    save_LIBS="$LIBS"
+    LIBS="$lt_cv_dlopen_libs $LIBS"
+
+    AC_CACHE_CHECK([whether a program can dlopen itself],
+	  lt_cv_dlopen_self, [dnl
+	  _LT_TRY_DLOPEN_SELF(
+	    lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes,
+	    lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross)
+    ])
+
+    if test "x$lt_cv_dlopen_self" = xyes; then
+      wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\"
+      AC_CACHE_CHECK([whether a statically linked program can dlopen itself],
+	  lt_cv_dlopen_self_static, [dnl
+	  _LT_TRY_DLOPEN_SELF(
+	    lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes,
+	    lt_cv_dlopen_self_static=no,  lt_cv_dlopen_self_static=cross)
+      ])
+    fi
+
+    CPPFLAGS="$save_CPPFLAGS"
+    LDFLAGS="$save_LDFLAGS"
+    LIBS="$save_LIBS"
+    ;;
+  esac
+
+  case $lt_cv_dlopen_self in
+  yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
+  *) enable_dlopen_self=unknown ;;
+  esac
+
+  case $lt_cv_dlopen_self_static in
+  yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
+  *) enable_dlopen_self_static=unknown ;;
+  esac
+fi
+_LT_DECL([dlopen_support], [enable_dlopen], [0],
+	 [Whether dlopen is supported])
+_LT_DECL([dlopen_self], [enable_dlopen_self], [0],
+	 [Whether dlopen of programs is supported])
+_LT_DECL([dlopen_self_static], [enable_dlopen_self_static], [0],
+	 [Whether dlopen of statically linked programs is supported])
+])# LT_SYS_DLOPEN_SELF
+
+# Old name:
+AU_ALIAS([AC_LIBTOOL_DLOPEN_SELF], [LT_SYS_DLOPEN_SELF])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF], [])
+
+
+# _LT_COMPILER_C_O([TAGNAME])
+# ---------------------------
+# Check to see if options -c and -o are simultaneously supported by compiler.
+# This macro does not hard code the compiler like AC_PROG_CC_C_O.
+m4_defun([_LT_COMPILER_C_O],
+[m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_TAG_COMPILER])dnl
+AC_CACHE_CHECK([if $compiler supports -c -o file.$ac_objext],
+  [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)],
+  [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=no
+   $RM -r conftest 2>/dev/null
+   mkdir conftest
+   cd conftest
+   mkdir out
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+   lt_compiler_flag="-o out/conftest2.$ac_objext"
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:__oline__: $lt_compile\"" >&AS_MESSAGE_LOG_FD)
+   (eval "$lt_compile" 2>out/conftest.err)
+   ac_status=$?
+   cat out/conftest.err >&AS_MESSAGE_LOG_FD
+   echo "$as_me:__oline__: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
+   if (exit $ac_status) && test -s out/conftest2.$ac_objext
+   then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     $ECHO "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' > out/conftest.exp
+     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
+     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
+       _LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes
+     fi
+   fi
+   chmod u+w . 2>&AS_MESSAGE_LOG_FD
+   $RM conftest*
+   # SGI C++ compiler will create directory out/ii_files/ for
+   # template instantiation
+   test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
+   $RM out/* && rmdir out
+   cd ..
+   $RM -r conftest
+   $RM conftest*
+])
+_LT_TAGDECL([compiler_c_o], [lt_cv_prog_compiler_c_o], [1],
+	[Does compiler simultaneously support -c and -o options?])
+])# _LT_COMPILER_C_O
+
+
+# _LT_COMPILER_FILE_LOCKS([TAGNAME])
+# ----------------------------------
+# Check to see if we can do hard links to lock some files if needed
+m4_defun([_LT_COMPILER_FILE_LOCKS],
+[m4_require([_LT_ENABLE_LOCK])dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+_LT_COMPILER_C_O([$1])
+
+hard_links="nottested"
+if test "$_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)" = no && test "$need_locks" != no; then
+  # do not overwrite the value of need_locks provided by the user
+  AC_MSG_CHECKING([if we can lock with hard links])
+  hard_links=yes
+  $RM conftest*
+  ln conftest.a conftest.b 2>/dev/null && hard_links=no
+  touch conftest.a
+  ln conftest.a conftest.b 2>&5 || hard_links=no
+  ln conftest.a conftest.b 2>/dev/null && hard_links=no
+  AC_MSG_RESULT([$hard_links])
+  if test "$hard_links" = no; then
+    AC_MSG_WARN([`$CC' does not support `-c -o', so `make -j' may be unsafe])
+    need_locks=warn
+  fi
+else
+  need_locks=no
+fi
+_LT_DECL([], [need_locks], [1], [Must we lock files when doing compilation?])
+])# _LT_COMPILER_FILE_LOCKS
+
+
+# _LT_CHECK_OBJDIR
+# ----------------
+m4_defun([_LT_CHECK_OBJDIR],
+[AC_CACHE_CHECK([for objdir], [lt_cv_objdir],
+[rm -f .libs 2>/dev/null
+mkdir .libs 2>/dev/null
+if test -d .libs; then
+  lt_cv_objdir=.libs
+else
+  # MS-DOS does not allow filenames that begin with a dot.
+  lt_cv_objdir=_libs
+fi
+rmdir .libs 2>/dev/null])
+objdir=$lt_cv_objdir
+_LT_DECL([], [objdir], [0],
+         [The name of the directory that contains temporary libtool files])dnl
+m4_pattern_allow([LT_OBJDIR])dnl
+AC_DEFINE_UNQUOTED(LT_OBJDIR, "$lt_cv_objdir/",
+  [Define to the sub-directory in which libtool stores uninstalled libraries.])
+])# _LT_CHECK_OBJDIR
+
+
+# _LT_LINKER_HARDCODE_LIBPATH([TAGNAME])
+# --------------------------------------
+# Check hardcoding attributes.
+m4_defun([_LT_LINKER_HARDCODE_LIBPATH],
+[AC_MSG_CHECKING([how to hardcode library paths into programs])
+_LT_TAGVAR(hardcode_action, $1)=
+if test -n "$_LT_TAGVAR(hardcode_libdir_flag_spec, $1)" ||
+   test -n "$_LT_TAGVAR(runpath_var, $1)" ||
+   test "X$_LT_TAGVAR(hardcode_automatic, $1)" = "Xyes" ; then
+
+  # We can hardcode non-existent directories.
+  if test "$_LT_TAGVAR(hardcode_direct, $1)" != no &&
+     # If the only mechanism to avoid hardcoding is shlibpath_var, we
+     # have to relink, otherwise we might link with an installed library
+     # when we should be linking with a yet-to-be-installed one
+     ## test "$_LT_TAGVAR(hardcode_shlibpath_var, $1)" != no &&
+     test "$_LT_TAGVAR(hardcode_minus_L, $1)" != no; then
+    # Linking always hardcodes the temporary library directory.
+    _LT_TAGVAR(hardcode_action, $1)=relink
+  else
+    # We can link without hardcoding, and we can hardcode nonexisting dirs.
+    _LT_TAGVAR(hardcode_action, $1)=immediate
+  fi
+else
+  # We cannot hardcode anything, or else we can only hardcode existing
+  # directories.
+  _LT_TAGVAR(hardcode_action, $1)=unsupported
+fi
+AC_MSG_RESULT([$_LT_TAGVAR(hardcode_action, $1)])
+
+if test "$_LT_TAGVAR(hardcode_action, $1)" = relink ||
+   test "$_LT_TAGVAR(inherit_rpath, $1)" = yes; then
+  # Fast installation is not supported
+  enable_fast_install=no
+elif test "$shlibpath_overrides_runpath" = yes ||
+     test "$enable_shared" = no; then
+  # Fast installation is not necessary
+  enable_fast_install=needless
+fi
+_LT_TAGDECL([], [hardcode_action], [0],
+    [How to hardcode a shared library path into an executable])
+])# _LT_LINKER_HARDCODE_LIBPATH
+
+
+# _LT_CMD_STRIPLIB
+# ----------------
+m4_defun([_LT_CMD_STRIPLIB],
+[m4_require([_LT_DECL_EGREP])
+striplib=
+old_striplib=
+AC_MSG_CHECKING([whether stripping libraries is possible])
+if test -n "$STRIP" && $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then
+  test -z "$old_striplib" && old_striplib="$STRIP --strip-debug"
+  test -z "$striplib" && striplib="$STRIP --strip-unneeded"
+  AC_MSG_RESULT([yes])
+else
+# FIXME - insert some real tests, host_os isn't really good enough
+  case $host_os in
+  darwin*)
+    if test -n "$STRIP" ; then
+      striplib="$STRIP -x"
+      old_striplib="$STRIP -S"
+      AC_MSG_RESULT([yes])
+    else
+      AC_MSG_RESULT([no])
+    fi
+    ;;
+  *)
+    AC_MSG_RESULT([no])
+    ;;
+  esac
+fi
+_LT_DECL([], [old_striplib], [1], [Commands to strip libraries])
+_LT_DECL([], [striplib], [1])
+])# _LT_CMD_STRIPLIB
+
+
+# _LT_SYS_DYNAMIC_LINKER([TAG])
+# -----------------------------
+# PORTME Fill in your ld.so characteristics
+m4_defun([_LT_SYS_DYNAMIC_LINKER],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+m4_require([_LT_DECL_EGREP])dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_SED])dnl
+AC_MSG_CHECKING([dynamic linker characteristics])
+m4_if([$1],
+	[], [
+if test "$GCC" = yes; then
+  case $host_os in
+    darwin*) lt_awk_arg="/^libraries:/,/LR/" ;;
+    *) lt_awk_arg="/^libraries:/" ;;
+  esac
+  lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e "s,=/,/,g"`
+  if $ECHO "$lt_search_path_spec" | $GREP ';' >/dev/null ; then
+    # if the path contains ";" then we assume it to be the separator
+    # otherwise default to the standard path separator (i.e. ":") - it is
+    # assumed that no part of a normal pathname contains ";" but that should
+    # okay in the real world where ";" in dirpaths is itself problematic.
+    lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED -e 's/;/ /g'`
+  else
+    lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED  -e "s/$PATH_SEPARATOR/ /g"`
+  fi
+  # Ok, now we have the path, separated by spaces, we can step through it
+  # and add multilib dir if necessary.
+  lt_tmp_lt_search_path_spec=
+  lt_multi_os_dir=`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null`
+  for lt_sys_path in $lt_search_path_spec; do
+    if test -d "$lt_sys_path/$lt_multi_os_dir"; then
+      lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path/$lt_multi_os_dir"
+    else
+      test -d "$lt_sys_path" && \
+	lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path"
+    fi
+  done
+  lt_search_path_spec=`$ECHO $lt_tmp_lt_search_path_spec | awk '
+BEGIN {RS=" "; FS="/|\n";} {
+  lt_foo="";
+  lt_count=0;
+  for (lt_i = NF; lt_i > 0; lt_i--) {
+    if ($lt_i != "" && $lt_i != ".") {
+      if ($lt_i == "..") {
+        lt_count++;
+      } else {
+        if (lt_count == 0) {
+          lt_foo="/" $lt_i lt_foo;
+        } else {
+          lt_count--;
+        }
+      }
+    }
+  }
+  if (lt_foo != "") { lt_freq[[lt_foo]]++; }
+  if (lt_freq[[lt_foo]] == 1) { print lt_foo; }
+}'`
+  sys_lib_search_path_spec=`$ECHO $lt_search_path_spec`
+else
+  sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
+fi])
+library_names_spec=
+libname_spec='lib$name'
+soname_spec=
+shrext_cmds=".so"
+postinstall_cmds=
+postuninstall_cmds=
+finish_cmds=
+finish_eval=
+shlibpath_var=
+shlibpath_overrides_runpath=unknown
+version_type=none
+dynamic_linker="$host_os ld.so"
+sys_lib_dlsearch_path_spec="/lib /usr/lib"
+need_lib_prefix=unknown
+hardcode_into_libs=no
+
+# when you set need_version to no, make sure it does not cause -set_version
+# flags to be left without arguments
+need_version=unknown
+
+case $host_os in
+aix3*)
+  version_type=linux
+  library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a'
+  shlibpath_var=LIBPATH
+
+  # AIX 3 has no versioning support, so we append a major version to the name.
+  soname_spec='${libname}${release}${shared_ext}$major'
+  ;;
+
+aix[[4-9]]*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  hardcode_into_libs=yes
+  if test "$host_cpu" = ia64; then
+    # AIX 5 supports IA64
+    library_names_spec='${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext}$versuffix $libname${shared_ext}'
+    shlibpath_var=LD_LIBRARY_PATH
+  else
+    # With GCC up to 2.95.x, collect2 would create an import file
+    # for dependence libraries.  The import file would start with
+    # the line `#! .'.  This would cause the generated library to
+    # depend on `.', always an invalid library.  This was fixed in
+    # development snapshots of GCC prior to 3.0.
+    case $host_os in
+      aix4 | aix4.[[01]] | aix4.[[01]].*)
+      if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
+	   echo ' yes '
+	   echo '#endif'; } | ${CC} -E - | $GREP yes > /dev/null; then
+	:
+      else
+	can_build_shared=no
+      fi
+      ;;
+    esac
+    # AIX (on Power*) has no versioning support, so currently we can not hardcode correct
+    # soname into executable. Probably we can add versioning support to
+    # collect2, so additional links can be useful in future.
+    if test "$aix_use_runtimelinking" = yes; then
+      # If using run time linking (on AIX 4.2 or later) use lib<name>.so
+      # instead of lib<name>.a to let people know that these are not
+      # typical AIX shared libraries.
+      library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    else
+      # We preserve .a as extension for shared libraries through AIX4.2
+      # and later when we are not doing run time linking.
+      library_names_spec='${libname}${release}.a $libname.a'
+      soname_spec='${libname}${release}${shared_ext}$major'
+    fi
+    shlibpath_var=LIBPATH
+  fi
+  ;;
+
+amigaos*)
+  case $host_cpu in
+  powerpc)
+    # Since July 2007 AmigaOS4 officially supports .so libraries.
+    # When compiling the executable, add -use-dynld -Lsobjs: to the compileline.
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    ;;
+  m68k)
+    library_names_spec='$libname.ixlibrary $libname.a'
+    # Create ${libname}_ixlibrary.a entries in /sys/libs.
+    finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`$ECHO "X$lib" | $Xsed -e '\''s%^.*/\([[^/]]*\)\.ixlibrary$%\1%'\''`; test $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
+    ;;
+  esac
+  ;;
+
+beos*)
+  library_names_spec='${libname}${shared_ext}'
+  dynamic_linker="$host_os ld.so"
+  shlibpath_var=LIBRARY_PATH
+  ;;
+
+bsdi[[45]]*)
+  version_type=linux
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
+  sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
+  # the default ld.so.conf also contains /usr/contrib/lib and
+  # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
+  # libtool to hard-code these into programs
+  ;;
+
+cygwin* | mingw* | pw32*)
+  version_type=windows
+  shrext_cmds=".dll"
+  need_version=no
+  need_lib_prefix=no
+
+  case $GCC,$host_os in
+  yes,cygwin* | yes,mingw* | yes,pw32*)
+    library_names_spec='$libname.dll.a'
+    # DLL is installed to $(libdir)/../bin by postinstall_cmds
+    postinstall_cmds='base_file=`basename \${file}`~
+      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~
+      dldir=$destdir/`dirname \$dlpath`~
+      test -d \$dldir || mkdir -p \$dldir~
+      $install_prog $dir/$dlname \$dldir/$dlname~
+      chmod a+x \$dldir/$dlname~
+      if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
+        eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
+      fi'
+    postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
+      dlpath=$dir/\$dldll~
+       $RM \$dlpath'
+    shlibpath_overrides_runpath=yes
+
+    case $host_os in
+    cygwin*)
+      # Cygwin DLLs use 'cyg' prefix rather than 'lib'
+      soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
+      sys_lib_search_path_spec="/usr/lib /lib/w32api /lib /usr/local/lib"
+      ;;
+    mingw*)
+      # MinGW DLLs use traditional 'lib' prefix
+      soname_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
+      sys_lib_search_path_spec=`$CC -print-search-dirs | $GREP "^libraries:" | $SED -e "s/^libraries://" -e "s,=/,/,g"`
+      if $ECHO "$sys_lib_search_path_spec" | [$GREP ';[c-zC-Z]:/' >/dev/null]; then
+        # It is most probably a Windows format PATH printed by
+        # mingw gcc, but we are running on Cygwin. Gcc prints its search
+        # path with ; separators, and with drive letters. We can handle the
+        # drive letters (cygwin fileutils understands them), so leave them,
+        # especially as we might pass files found there to a mingw objdump,
+        # which wouldn't understand a cygwinified path. Ahh.
+        sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
+      else
+        sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED  -e "s/$PATH_SEPARATOR/ /g"`
+      fi
+      ;;
+    pw32*)
+      # pw32 DLLs use 'pw' prefix rather than 'lib'
+      library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
+      ;;
+    esac
+    ;;
+
+  *)
+    library_names_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext} $libname.lib'
+    ;;
+  esac
+  dynamic_linker='Win32 ld.exe'
+  # FIXME: first we should search . and the directory the executable is in
+  shlibpath_var=PATH
+  ;;
+
+darwin* | rhapsody*)
+  dynamic_linker="$host_os dyld"
+  version_type=darwin
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${major}$shared_ext ${libname}$shared_ext'
+  soname_spec='${libname}${release}${major}$shared_ext'
+  shlibpath_overrides_runpath=yes
+  shlibpath_var=DYLD_LIBRARY_PATH
+  shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`'
+m4_if([$1], [],[
+  sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib"])
+  sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
+  ;;
+
+dgux*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  ;;
+
+freebsd1*)
+  dynamic_linker=no
+  ;;
+
+freebsd* | dragonfly*)
+  # DragonFly does not have aout.  When/if they implement a new
+  # versioning mechanism, adjust this.
+  if test -x /usr/bin/objformat; then
+    objformat=`/usr/bin/objformat`
+  else
+    case $host_os in
+    freebsd[[123]]*) objformat=aout ;;
+    *) objformat=elf ;;
+    esac
+  fi
+  version_type=freebsd-$objformat
+  case $version_type in
+    freebsd-elf*)
+      library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+      need_version=no
+      need_lib_prefix=no
+      ;;
+    freebsd-*)
+      library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix'
+      need_version=yes
+      ;;
+  esac
+  shlibpath_var=LD_LIBRARY_PATH
+  case $host_os in
+  freebsd2*)
+    shlibpath_overrides_runpath=yes
+    ;;
+  freebsd3.[[01]]* | freebsdelf3.[[01]]*)
+    shlibpath_overrides_runpath=yes
+    hardcode_into_libs=yes
+    ;;
+  freebsd3.[[2-9]]* | freebsdelf3.[[2-9]]* | \
+  freebsd4.[[0-5]] | freebsdelf4.[[0-5]] | freebsd4.1.1 | freebsdelf4.1.1)
+    shlibpath_overrides_runpath=no
+    hardcode_into_libs=yes
+    ;;
+  *) # from 4.6 on, and DragonFly
+    shlibpath_overrides_runpath=yes
+    hardcode_into_libs=yes
+    ;;
+  esac
+  ;;
+
+gnu*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  hardcode_into_libs=yes
+  ;;
+
+hpux9* | hpux10* | hpux11*)
+  # Give a soname corresponding to the major version so that dld.sl refuses to
+  # link against other versions.
+  version_type=sunos
+  need_lib_prefix=no
+  need_version=no
+  case $host_cpu in
+  ia64*)
+    shrext_cmds='.so'
+    hardcode_into_libs=yes
+    dynamic_linker="$host_os dld.so"
+    shlibpath_var=LD_LIBRARY_PATH
+    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    soname_spec='${libname}${release}${shared_ext}$major'
+    if test "X$HPUX_IA64_MODE" = X32; then
+      sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
+    else
+      sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
+    fi
+    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+    ;;
+  hppa*64*)
+    shrext_cmds='.sl'
+    hardcode_into_libs=yes
+    dynamic_linker="$host_os dld.sl"
+    shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
+    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    soname_spec='${libname}${release}${shared_ext}$major'
+    sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
+    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+    ;;
+  *)
+    shrext_cmds='.sl'
+    dynamic_linker="$host_os dld.sl"
+    shlibpath_var=SHLIB_PATH
+    shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    soname_spec='${libname}${release}${shared_ext}$major'
+    ;;
+  esac
+  # HP-UX runs *really* slowly unless shared libraries are mode 555.
+  postinstall_cmds='chmod 555 $lib'
+  ;;
+
+interix[[3-9]]*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  ;;
+
+irix5* | irix6* | nonstopux*)
+  case $host_os in
+    nonstopux*) version_type=nonstopux ;;
+    *)
+	if test "$lt_cv_prog_gnu_ld" = yes; then
+		version_type=linux
+	else
+		version_type=irix
+	fi ;;
+  esac
+  need_lib_prefix=no
+  need_version=no
+  soname_spec='${libname}${release}${shared_ext}$major'
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}'
+  case $host_os in
+  irix5* | nonstopux*)
+    libsuff= shlibsuff=
+    ;;
+  *)
+    case $LD in # libtool.m4 will add one of these switches to LD
+    *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ")
+      libsuff= shlibsuff= libmagic=32-bit;;
+    *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ")
+      libsuff=32 shlibsuff=N32 libmagic=N32;;
+    *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ")
+      libsuff=64 shlibsuff=64 libmagic=64-bit;;
+    *) libsuff= shlibsuff= libmagic=never-match;;
+    esac
+    ;;
+  esac
+  shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
+  shlibpath_overrides_runpath=no
+  sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
+  sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
+  hardcode_into_libs=yes
+  ;;
+
+# No shared lib support for Linux oldld, aout, or coff.
+linux*oldld* | linux*aout* | linux*coff*)
+  dynamic_linker=no
+  ;;
+
+# This must be Linux ELF.
+linux* | k*bsd*-gnu)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  # Some binutils ld are patched to set DT_RUNPATH
+  save_LDFLAGS=$LDFLAGS
+  save_libdir=$libdir
+  eval "libdir=/foo; wl=\"$_LT_TAGVAR(lt_prog_compiler_wl, $1)\"; \
+       LDFLAGS=\"\$LDFLAGS $_LT_TAGVAR(hardcode_libdir_flag_spec, $1)\""
+  AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
+    [AS_IF([ ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null],
+       [shlibpath_overrides_runpath=yes])])
+  LDFLAGS=$save_LDFLAGS
+  libdir=$save_libdir
+
+  # This implies no fast_install, which is unacceptable.
+  # Some rework will be needed to allow for fast_install
+  # before this can be enabled.
+  hardcode_into_libs=yes
+
+  # Append ld.so.conf contents to the search path
+  if test -f /etc/ld.so.conf; then
+    lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \[$]2)); skip = 1; } { if (!skip) print \[$]0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[	 ]*hwcap[	 ]/d;s/[:,	]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;/^$/d' | tr '\n' ' '`
+    sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
+  fi
+
+  # We used to test for /lib/ld.so.1 and disable shared libraries on
+  # powerpc, because MkLinux only supported shared libraries with the
+  # GNU dynamic linker.  Since this was broken with cross compilers,
+  # most powerpc-linux boxes support dynamic linking these days and
+  # people can always --disable-shared, the test was removed, and we
+  # assume the GNU/Linux dynamic linker is in use.
+  dynamic_linker='GNU/Linux ld.so'
+  ;;
+
+netbsd*)
+  version_type=sunos
+  need_lib_prefix=no
+  need_version=no
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+    finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+    dynamic_linker='NetBSD (a.out) ld.so'
+  else
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+    soname_spec='${libname}${release}${shared_ext}$major'
+    dynamic_linker='NetBSD ld.elf_so'
+  fi
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  ;;
+
+newsos6)
+  version_type=linux
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  ;;
+
+*nto* | *qnx*)
+  version_type=qnx
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  dynamic_linker='ldqnx.so'
+  ;;
+
+openbsd*)
+  version_type=sunos
+  sys_lib_dlsearch_path_spec="/usr/lib"
+  need_lib_prefix=no
+  # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs.
+  case $host_os in
+    openbsd3.3 | openbsd3.3.*)	need_version=yes ;;
+    *)				need_version=no  ;;
+  esac
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+    case $host_os in
+      openbsd2.[[89]] | openbsd2.[[89]].*)
+	shlibpath_overrides_runpath=no
+	;;
+      *)
+	shlibpath_overrides_runpath=yes
+	;;
+      esac
+  else
+    shlibpath_overrides_runpath=yes
+  fi
+  ;;
+
+os2*)
+  libname_spec='$name'
+  shrext_cmds=".dll"
+  need_lib_prefix=no
+  library_names_spec='$libname${shared_ext} $libname.a'
+  dynamic_linker='OS/2 ld.exe'
+  shlibpath_var=LIBPATH
+  ;;
+
+osf3* | osf4* | osf5*)
+  version_type=osf
+  need_lib_prefix=no
+  need_version=no
+  soname_spec='${libname}${release}${shared_ext}$major'
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  shlibpath_var=LD_LIBRARY_PATH
+  sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
+  sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
+  ;;
+
+rdos*)
+  dynamic_linker=no
+  ;;
+
+solaris*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  # ldd complains unless libraries are executable
+  postinstall_cmds='chmod +x $lib'
+  ;;
+
+sunos4*)
+  version_type=sunos
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+  finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  if test "$with_gnu_ld" = yes; then
+    need_lib_prefix=no
+  fi
+  need_version=yes
+  ;;
+
+sysv4 | sysv4.3*)
+  version_type=linux
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  case $host_vendor in
+    sni)
+      shlibpath_overrides_runpath=no
+      need_lib_prefix=no
+      runpath_var=LD_RUN_PATH
+      ;;
+    siemens)
+      need_lib_prefix=no
+      ;;
+    motorola)
+      need_lib_prefix=no
+      need_version=no
+      shlibpath_overrides_runpath=no
+      sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
+      ;;
+  esac
+  ;;
+
+sysv4*MP*)
+  if test -d /usr/nec ;then
+    version_type=linux
+    library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}'
+    soname_spec='$libname${shared_ext}.$major'
+    shlibpath_var=LD_LIBRARY_PATH
+  fi
+  ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+  version_type=freebsd-elf
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  if test "$with_gnu_ld" = yes; then
+    sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib'
+  else
+    sys_lib_search_path_spec='/usr/ccs/lib /usr/lib'
+    case $host_os in
+      sco3.2v5*)
+        sys_lib_search_path_spec="$sys_lib_search_path_spec /lib"
+	;;
+    esac
+  fi
+  sys_lib_dlsearch_path_spec='/usr/lib'
+  ;;
+
+tpf*)
+  # TPF is a cross-target only.  Preferred cross-host = GNU/Linux.
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_name_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  ;;
+
+uts4*)
+  version_type=linux
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  ;;
+
+*)
+  dynamic_linker=no
+  ;;
+esac
+AC_MSG_RESULT([$dynamic_linker])
+test "$dynamic_linker" = no && can_build_shared=no
+
+variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
+if test "$GCC" = yes; then
+  variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
+fi
+ 
+if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then
+  sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec"
+fi
+if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then
+  sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec"
+fi
+
+_LT_DECL([], [variables_saved_for_relink], [1],
+    [Variables whose values should be saved in libtool wrapper scripts and
+    restored at link time])
+_LT_DECL([], [need_lib_prefix], [0],
+    [Do we need the "lib" prefix for modules?])
+_LT_DECL([], [need_version], [0], [Do we need a version for libraries?])
+_LT_DECL([], [version_type], [0], [Library versioning type])
+_LT_DECL([], [runpath_var], [0],  [Shared library runtime path variable])
+_LT_DECL([], [shlibpath_var], [0],[Shared library path variable])
+_LT_DECL([], [shlibpath_overrides_runpath], [0],
+    [Is shlibpath searched before the hard-coded library search path?])
+_LT_DECL([], [libname_spec], [1], [Format of library name prefix])
+_LT_DECL([], [library_names_spec], [1],
+    [[List of archive names.  First name is the real one, the rest are links.
+    The last name is the one that the linker finds with -lNAME]])
+_LT_DECL([], [soname_spec], [1],
+    [[The coded name of the library, if different from the real name]])
+_LT_DECL([], [postinstall_cmds], [2],
+    [Command to use after installation of a shared archive])
+_LT_DECL([], [postuninstall_cmds], [2],
+    [Command to use after uninstallation of a shared archive])
+_LT_DECL([], [finish_cmds], [2],
+    [Commands used to finish a libtool library installation in a directory])
+_LT_DECL([], [finish_eval], [1],
+    [[As "finish_cmds", except a single script fragment to be evaled but
+    not shown]])
+_LT_DECL([], [hardcode_into_libs], [0],
+    [Whether we should hardcode library paths into libraries])
+_LT_DECL([], [sys_lib_search_path_spec], [2],
+    [Compile-time system search path for libraries])
+_LT_DECL([], [sys_lib_dlsearch_path_spec], [2],
+    [Run-time system search path for libraries])
+])# _LT_SYS_DYNAMIC_LINKER
+
+
+# _LT_PATH_TOOL_PREFIX(TOOL)
+# --------------------------
+# find a file program which can recognize shared library
+AC_DEFUN([_LT_PATH_TOOL_PREFIX],
+[m4_require([_LT_DECL_EGREP])dnl
+AC_MSG_CHECKING([for $1])
+AC_CACHE_VAL(lt_cv_path_MAGIC_CMD,
+[case $MAGIC_CMD in
+[[\\/*] |  ?:[\\/]*])
+  lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path.
+  ;;
+*)
+  lt_save_MAGIC_CMD="$MAGIC_CMD"
+  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+dnl $ac_dummy forces splitting on constant user-supplied paths.
+dnl POSIX.2 word splitting is done only on the output of word expansions,
+dnl not every word.  This closes a longstanding sh security hole.
+  ac_dummy="m4_if([$2], , $PATH, [$2])"
+  for ac_dir in $ac_dummy; do
+    IFS="$lt_save_ifs"
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$1; then
+      lt_cv_path_MAGIC_CMD="$ac_dir/$1"
+      if test -n "$file_magic_test_file"; then
+	case $deplibs_check_method in
+	"file_magic "*)
+	  file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"`
+	  MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+	  if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
+	    $EGREP "$file_magic_regex" > /dev/null; then
+	    :
+	  else
+	    cat <<_LT_EOF 1>&2
+
+*** Warning: the command libtool uses to detect shared libraries,
+*** $file_magic_cmd, produces output that libtool cannot recognize.
+*** The result is that libtool may fail to recognize shared libraries
+*** as such.  This will affect the creation of libtool libraries that
+*** depend on shared libraries, but programs linked with such libtool
+*** libraries will work regardless of this problem.  Nevertheless, you
+*** may want to report the problem to your system manager and/or to
+*** bug-libtool at gnu.org
+
+_LT_EOF
+	  fi ;;
+	esac
+      fi
+      break
+    fi
+  done
+  IFS="$lt_save_ifs"
+  MAGIC_CMD="$lt_save_MAGIC_CMD"
+  ;;
+esac])
+MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+if test -n "$MAGIC_CMD"; then
+  AC_MSG_RESULT($MAGIC_CMD)
+else
+  AC_MSG_RESULT(no)
+fi
+_LT_DECL([], [MAGIC_CMD], [0],
+	 [Used to examine libraries when file_magic_cmd begins with "file"])dnl
+])# _LT_PATH_TOOL_PREFIX
+
+# Old name:
+AU_ALIAS([AC_PATH_TOOL_PREFIX], [_LT_PATH_TOOL_PREFIX])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_PATH_TOOL_PREFIX], [])
+
+
+# _LT_PATH_MAGIC
+# --------------
+# find a file program which can recognize a shared library
+m4_defun([_LT_PATH_MAGIC],
+[_LT_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin$PATH_SEPARATOR$PATH)
+if test -z "$lt_cv_path_MAGIC_CMD"; then
+  if test -n "$ac_tool_prefix"; then
+    _LT_PATH_TOOL_PREFIX(file, /usr/bin$PATH_SEPARATOR$PATH)
+  else
+    MAGIC_CMD=:
+  fi
+fi
+])# _LT_PATH_MAGIC
+
+
+# LT_PATH_LD
+# ----------
+# find the pathname to the GNU or non-GNU linker
+AC_DEFUN([LT_PATH_LD],
+[AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_CANONICAL_BUILD])dnl
+m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_DECL_EGREP])dnl
+
+AC_ARG_WITH([gnu-ld],
+    [AS_HELP_STRING([--with-gnu-ld],
+	[assume the C compiler uses GNU ld @<:@default=no@:>@])],
+    [test "$withval" = no || with_gnu_ld=yes],
+    [with_gnu_ld=no])dnl
+
+ac_prog=ld
+if test "$GCC" = yes; then
+  # Check if gcc -print-prog-name=ld gives a path.
+  AC_MSG_CHECKING([for ld used by $CC])
+  case $host in
+  *-*-mingw*)
+    # gcc leaves a trailing carriage return which upsets mingw
+    ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
+  *)
+    ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
+  esac
+  case $ac_prog in
+    # Accept absolute paths.
+    [[\\/]]* | ?:[[\\/]]*)
+      re_direlt='/[[^/]][[^/]]*/\.\./'
+      # Canonicalize the pathname of ld
+      ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'`
+      while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do
+	ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"`
+      done
+      test -z "$LD" && LD="$ac_prog"
+      ;;
+  "")
+    # If it fails, then pretend we aren't using GCC.
+    ac_prog=ld
+    ;;
+  *)
+    # If it is relative, then search for the first ld in PATH.
+    with_gnu_ld=unknown
+    ;;
+  esac
+elif test "$with_gnu_ld" = yes; then
+  AC_MSG_CHECKING([for GNU ld])
+else
+  AC_MSG_CHECKING([for non-GNU ld])
+fi
+AC_CACHE_VAL(lt_cv_path_LD,
+[if test -z "$LD"; then
+  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+  for ac_dir in $PATH; do
+    IFS="$lt_save_ifs"
+    test -z "$ac_dir" && ac_dir=.
+    if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
+      lt_cv_path_LD="$ac_dir/$ac_prog"
+      # Check to see if the program is GNU ld.  I'd rather use --version,
+      # but apparently some variants of GNU ld only accept -v.
+      # Break only if it was the GNU/non-GNU ld that we prefer.
+      case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in
+      *GNU* | *'with BFD'*)
+	test "$with_gnu_ld" != no && break
+	;;
+      *)
+	test "$with_gnu_ld" != yes && break
+	;;
+      esac
+    fi
+  done
+  IFS="$lt_save_ifs"
+else
+  lt_cv_path_LD="$LD" # Let the user override the test with a path.
+fi])
+LD="$lt_cv_path_LD"
+if test -n "$LD"; then
+  AC_MSG_RESULT($LD)
+else
+  AC_MSG_RESULT(no)
+fi
+test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
+_LT_PATH_LD_GNU
+AC_SUBST([LD])
+
+_LT_TAGDECL([], [LD], [1], [The linker used to build libraries])
+])# LT_PATH_LD
+
+# Old names:
+AU_ALIAS([AM_PROG_LD], [LT_PATH_LD])
+AU_ALIAS([AC_PROG_LD], [LT_PATH_LD])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AM_PROG_LD], [])
+dnl AC_DEFUN([AC_PROG_LD], [])
+
+
+# _LT_PATH_LD_GNU
+#- --------------
+m4_defun([_LT_PATH_LD_GNU],
+[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], lt_cv_prog_gnu_ld,
+[# I'd rather use --version here, but apparently some GNU lds only accept -v.
+case `$LD -v 2>&1 </dev/null` in
+*GNU* | *'with BFD'*)
+  lt_cv_prog_gnu_ld=yes
+  ;;
+*)
+  lt_cv_prog_gnu_ld=no
+  ;;
+esac])
+with_gnu_ld=$lt_cv_prog_gnu_ld
+])# _LT_PATH_LD_GNU
+
+
+# _LT_CMD_RELOAD
+# --------------
+# find reload flag for linker
+#   -- PORTME Some linkers may need a different reload flag.
+m4_defun([_LT_CMD_RELOAD],
+[AC_CACHE_CHECK([for $LD option to reload object files],
+  lt_cv_ld_reload_flag,
+  [lt_cv_ld_reload_flag='-r'])
+reload_flag=$lt_cv_ld_reload_flag
+case $reload_flag in
+"" | " "*) ;;
+*) reload_flag=" $reload_flag" ;;
+esac
+reload_cmds='$LD$reload_flag -o $output$reload_objs'
+case $host_os in
+  darwin*)
+    if test "$GCC" = yes; then
+      reload_cmds='$LTCC $LTCFLAGS -nostdlib ${wl}-r -o $output$reload_objs'
+    else
+      reload_cmds='$LD$reload_flag -o $output$reload_objs'
+    fi
+    ;;
+esac
+_LT_DECL([], [reload_flag], [1], [How to create reloadable object files])dnl
+_LT_DECL([], [reload_cmds], [2])dnl
+])# _LT_CMD_RELOAD
+
+
+# _LT_CHECK_MAGIC_METHOD
+# ----------------------
+# how to check for library dependencies
+#  -- PORTME fill in with the dynamic library characteristics
+m4_defun([_LT_CHECK_MAGIC_METHOD],
+[m4_require([_LT_DECL_EGREP])
+AC_CACHE_CHECK([how to recognize dependent libraries],
+lt_cv_deplibs_check_method,
+[lt_cv_file_magic_cmd='$MAGIC_CMD'
+lt_cv_file_magic_test_file=
+lt_cv_deplibs_check_method='unknown'
+# Need to set the preceding variable on all platforms that support
+# interlibrary dependencies.
+# 'none' -- dependencies not supported.
+# `unknown' -- same as none, but documents that we really don't know.
+# 'pass_all' -- all dependencies passed with no checks.
+# 'test_compile' -- check by making test program.
+# 'file_magic [[regex]]' -- check by looking for files in library path
+# which responds to the $file_magic_cmd with a given extended regex.
+# If you have `file' or equivalent on your system and you're not sure
+# whether `pass_all' will *always* work, you probably want this one.
+
+case $host_os in
+aix[[4-9]]*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+beos*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+bsdi[[45]]*)
+  lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib)'
+  lt_cv_file_magic_cmd='/usr/bin/file -L'
+  lt_cv_file_magic_test_file=/shlib/libc.so
+  ;;
+
+cygwin*)
+  # func_win32_libid is a shell function defined in ltmain.sh
+  lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
+  lt_cv_file_magic_cmd='func_win32_libid'
+  ;;
+
+mingw* | pw32*)
+  # Base MSYS/MinGW do not provide the 'file' command needed by
+  # func_win32_libid shell function, so use a weaker test based on 'objdump',
+  # unless we find 'file', for example because we are cross-compiling.
+  if ( file / ) >/dev/null 2>&1; then
+    lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
+    lt_cv_file_magic_cmd='func_win32_libid'
+  else
+    lt_cv_deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?'
+    lt_cv_file_magic_cmd='$OBJDUMP -f'
+  fi
+  ;;
+
+darwin* | rhapsody*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+freebsd* | dragonfly*)
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
+    case $host_cpu in
+    i*86 )
+      # Not sure whether the presence of OpenBSD here was a mistake.
+      # Let's accept both of them until this is cleared up.
+      lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[[3-9]]86 (compact )?demand paged shared library'
+      lt_cv_file_magic_cmd=/usr/bin/file
+      lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
+      ;;
+    esac
+  else
+    lt_cv_deplibs_check_method=pass_all
+  fi
+  ;;
+
+gnu*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+hpux10.20* | hpux11*)
+  lt_cv_file_magic_cmd=/usr/bin/file
+  case $host_cpu in
+  ia64*)
+    lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|ELF-[[0-9]][[0-9]]) shared object file - IA64'
+    lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so
+    ;;
+  hppa*64*)
+    [lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - PA-RISC [0-9].[0-9]']
+    lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl
+    ;;
+  *)
+    lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|PA-RISC[[0-9]].[[0-9]]) shared library'
+    lt_cv_file_magic_test_file=/usr/lib/libc.sl
+    ;;
+  esac
+  ;;
+
+interix[[3-9]]*)
+  # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here
+  lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|\.a)$'
+  ;;
+
+irix5* | irix6* | nonstopux*)
+  case $LD in
+  *-32|*"-32 ") libmagic=32-bit;;
+  *-n32|*"-n32 ") libmagic=N32;;
+  *-64|*"-64 ") libmagic=64-bit;;
+  *) libmagic=never-match;;
+  esac
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+# This must be Linux ELF.
+linux* | k*bsd*-gnu)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+netbsd*)
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
+    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$'
+  else
+    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|_pic\.a)$'
+  fi
+  ;;
+
+newos6*)
+  lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable|dynamic lib)'
+  lt_cv_file_magic_cmd=/usr/bin/file
+  lt_cv_file_magic_test_file=/usr/lib/libnls.so
+  ;;
+
+*nto* | *qnx*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+openbsd*)
+  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|\.so|_pic\.a)$'
+  else
+    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$'
+  fi
+  ;;
+
+osf3* | osf4* | osf5*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+rdos*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+solaris*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+sysv4 | sysv4.3*)
+  case $host_vendor in
+  motorola)
+    lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib) M[[0-9]][[0-9]]* Version [[0-9]]'
+    lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
+    ;;
+  ncr)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  sequent)
+    lt_cv_file_magic_cmd='/bin/file'
+    lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )'
+    ;;
+  sni)
+    lt_cv_file_magic_cmd='/bin/file'
+    lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib"
+    lt_cv_file_magic_test_file=/lib/libc.so
+    ;;
+  siemens)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  pc)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  esac
+  ;;
+
+tpf*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+esac
+])
+file_magic_cmd=$lt_cv_file_magic_cmd
+deplibs_check_method=$lt_cv_deplibs_check_method
+test -z "$deplibs_check_method" && deplibs_check_method=unknown
+
+_LT_DECL([], [deplibs_check_method], [1],
+    [Method to check whether dependent libraries are shared objects])
+_LT_DECL([], [file_magic_cmd], [1],
+    [Command to use when deplibs_check_method == "file_magic"])
+])# _LT_CHECK_MAGIC_METHOD
+
+
+# LT_PATH_NM
+# ----------
+# find the pathname to a BSD- or MS-compatible name lister
+AC_DEFUN([LT_PATH_NM],
+[AC_REQUIRE([AC_PROG_CC])dnl
+AC_CACHE_CHECK([for BSD- or MS-compatible name lister (nm)], lt_cv_path_NM,
+[if test -n "$NM"; then
+  # Let the user override the test.
+  lt_cv_path_NM="$NM"
+else
+  lt_nm_to_check="${ac_tool_prefix}nm"
+  if test -n "$ac_tool_prefix" && test "$build" = "$host"; then
+    lt_nm_to_check="$lt_nm_to_check nm"
+  fi
+  for lt_tmp_nm in $lt_nm_to_check; do
+    lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+    for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do
+      IFS="$lt_save_ifs"
+      test -z "$ac_dir" && ac_dir=.
+      tmp_nm="$ac_dir/$lt_tmp_nm"
+      if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then
+	# Check to see if the nm accepts a BSD-compat flag.
+	# Adding the `sed 1q' prevents false positives on HP-UX, which says:
+	#   nm: unknown option "B" ignored
+	# Tru64's nm complains that /dev/null is an invalid object file
+	case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in
+	*/dev/null* | *'Invalid file or object type'*)
+	  lt_cv_path_NM="$tmp_nm -B"
+	  break
+	  ;;
+	*)
+	  case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in
+	  */dev/null*)
+	    lt_cv_path_NM="$tmp_nm -p"
+	    break
+	    ;;
+	  *)
+	    lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
+	    continue # so that we can try to find one that supports BSD flags
+	    ;;
+	  esac
+	  ;;
+	esac
+      fi
+    done
+    IFS="$lt_save_ifs"
+  done
+  : ${lt_cv_path_NM=no}
+fi])
+if test "$lt_cv_path_NM" != "no"; then
+  NM="$lt_cv_path_NM"
+else
+  # Didn't find any BSD compatible name lister, look for dumpbin.
+  AC_CHECK_TOOLS(DUMPBIN, ["dumpbin -symbols" "link -dump -symbols"], :)
+  AC_SUBST([DUMPBIN])
+  if test "$DUMPBIN" != ":"; then
+    NM="$DUMPBIN"
+  fi
+fi
+test -z "$NM" && NM=nm
+AC_SUBST([NM])
+_LT_DECL([], [NM], [1], [A BSD- or MS-compatible name lister])dnl
+
+AC_CACHE_CHECK([the name lister ($NM) interface], [lt_cv_nm_interface],
+  [lt_cv_nm_interface="BSD nm"
+  echo "int some_variable = 0;" > conftest.$ac_ext
+  (eval echo "\"\$as_me:__oline__: $ac_compile\"" >&AS_MESSAGE_LOG_FD)
+  (eval "$ac_compile" 2>conftest.err)
+  cat conftest.err >&AS_MESSAGE_LOG_FD
+  (eval echo "\"\$as_me:__oline__: $NM \\\"conftest.$ac_objext\\\"\"" >&AS_MESSAGE_LOG_FD)
+  (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
+  cat conftest.err >&AS_MESSAGE_LOG_FD
+  (eval echo "\"\$as_me:__oline__: output\"" >&AS_MESSAGE_LOG_FD)
+  cat conftest.out >&AS_MESSAGE_LOG_FD
+  if $GREP 'External.*some_variable' conftest.out > /dev/null; then
+    lt_cv_nm_interface="MS dumpbin"
+  fi
+  rm -f conftest*])
+])# LT_PATH_NM
+
+# Old names:
+AU_ALIAS([AM_PROG_NM], [LT_PATH_NM])
+AU_ALIAS([AC_PROG_NM], [LT_PATH_NM])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AM_PROG_NM], [])
+dnl AC_DEFUN([AC_PROG_NM], [])
+
+
+# LT_LIB_M
+# --------
+# check for math library
+AC_DEFUN([LT_LIB_M],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+LIBM=
+case $host in
+*-*-beos* | *-*-cygwin* | *-*-pw32* | *-*-darwin*)
+  # These system don't have libm, or don't need it
+  ;;
+*-ncr-sysv4.3*)
+  AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
+  AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm")
+  ;;
+*)
+  AC_CHECK_LIB(m, cos, LIBM="-lm")
+  ;;
+esac
+AC_SUBST([LIBM])
+])# LT_LIB_M
+
+# Old name:
+AU_ALIAS([AC_CHECK_LIBM], [LT_LIB_M])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_CHECK_LIBM], [])
+
+
+# _LT_COMPILER_NO_RTTI([TAGNAME])
+# -------------------------------
+m4_defun([_LT_COMPILER_NO_RTTI],
+[m4_require([_LT_TAG_COMPILER])dnl
+
+_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=
+
+if test "$GCC" = yes; then
+  _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin'
+
+  _LT_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions],
+    lt_cv_prog_compiler_rtti_exceptions,
+    [-fno-rtti -fno-exceptions], [],
+    [_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"])
+fi
+_LT_TAGDECL([no_builtin_flag], [lt_prog_compiler_no_builtin_flag], [1],
+	[Compiler flag to turn off builtin functions])
+])# _LT_COMPILER_NO_RTTI
+
+
+# _LT_CMD_GLOBAL_SYMBOLS
+# ----------------------
+m4_defun([_LT_CMD_GLOBAL_SYMBOLS],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([LT_PATH_NM])dnl
+AC_REQUIRE([LT_PATH_LD])dnl
+m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_DECL_EGREP])dnl
+m4_require([_LT_TAG_COMPILER])dnl
+
+# Check for command to grab the raw symbol name followed by C symbol from nm.
+AC_MSG_CHECKING([command to parse $NM output from $compiler object])
+AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe],
+[
+# These are sane defaults that work on at least a few old systems.
+# [They come from Ultrix.  What could be older than Ultrix?!! ;)]
+
+# Character class describing NM global symbol codes.
+symcode='[[BCDEGRST]]'
+
+# Regexp to match symbols that can be accessed directly from C.
+sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)'
+
+# Define system-specific variables.
+case $host_os in
+aix*)
+  symcode='[[BCDT]]'
+  ;;
+cygwin* | mingw* | pw32*)
+  symcode='[[ABCDGISTW]]'
+  ;;
+hpux*)
+  if test "$host_cpu" = ia64; then
+    symcode='[[ABCDEGRST]]'
+  fi
+  ;;
+irix* | nonstopux*)
+  symcode='[[BCDEGRST]]'
+  ;;
+osf*)
+  symcode='[[BCDEGQRST]]'
+  ;;
+solaris*)
+  symcode='[[BDRT]]'
+  ;;
+sco3.2v5*)
+  symcode='[[DT]]'
+  ;;
+sysv4.2uw2*)
+  symcode='[[DT]]'
+  ;;
+sysv5* | sco5v6* | unixware* | OpenUNIX*)
+  symcode='[[ABDT]]'
+  ;;
+sysv4)
+  symcode='[[DFNSTU]]'
+  ;;
+esac
+
+# If we're using GNU nm, then use its standard symbol codes.
+case `$NM -V 2>&1` in
+*GNU* | *'with BFD'*)
+  symcode='[[ABCDGIRSTW]]' ;;
+esac
+
+# Transform an extracted symbol line into a proper C declaration.
+# Some systems (esp. on ia64) link data and code symbols differently,
+# so use this general approach.
+lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'"
+
+# Transform an extracted symbol line into symbol name and symbol address
+lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\) $/  {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/  {\"\2\", (void *) \&\2},/p'"
+lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([[^ ]]*\) $/  {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \(lib[[^ ]]*\)$/  {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/  {\"lib\2\", (void *) \&\2},/p'"
+
+# Handle CRLF in mingw tool chain
+opt_cr=
+case $build_os in
+mingw*)
+  opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp
+  ;;
+esac
+
+# Try without a prefix underscore, then with it.
+for ac_symprfx in "" "_"; do
+
+  # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol.
+  symxfrm="\\1 $ac_symprfx\\2 \\2"
+
+  # Write the raw and C identifiers.
+  if test "$lt_cv_nm_interface" = "MS dumpbin"; then
+    # Fake it for dumpbin and say T for any non-static function
+    # and D for any global variable.
+    # Also find C++ and __fastcall symbols from MSVC++,
+    # which start with @ or ?.
+    lt_cv_sys_global_symbol_pipe="$AWK ['"\
+"     {last_section=section; section=\$ 3};"\
+"     /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\
+"     \$ 0!~/External *\|/{next};"\
+"     / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\
+"     {if(hide[section]) next};"\
+"     {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\
+"     {split(\$ 0, a, /\||\r/); split(a[2], s)};"\
+"     s[1]~/^[@?]/{print s[1], s[1]; next};"\
+"     s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\
+"     ' prfx=^$ac_symprfx]"
+  else
+    lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[[	 ]]\($symcode$symcode*\)[[	 ]][[	 ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'"
+  fi
+
+  # Check to see that the pipe works correctly.
+  pipe_works=no
+
+  rm -f conftest*
+  cat > conftest.$ac_ext <<_LT_EOF
+#ifdef __cplusplus
+extern "C" {
+#endif
+char nm_test_var;
+void nm_test_func(void);
+void nm_test_func(void){}
+#ifdef __cplusplus
+}
+#endif
+int main(){nm_test_var='a';nm_test_func();return(0);}
+_LT_EOF
+
+  if AC_TRY_EVAL(ac_compile); then
+    # Now try to grab the symbols.
+    nlist=conftest.nm
+    if AC_TRY_EVAL(NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \> $nlist) && test -s "$nlist"; then
+      # Try sorting and uniquifying the output.
+      if sort "$nlist" | uniq > "$nlist"T; then
+	mv -f "$nlist"T "$nlist"
+      else
+	rm -f "$nlist"T
+      fi
+
+      # Make sure that we snagged all the symbols we need.
+      if $GREP ' nm_test_var$' "$nlist" >/dev/null; then
+	if $GREP ' nm_test_func$' "$nlist" >/dev/null; then
+	  cat <<_LT_EOF > conftest.$ac_ext
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+_LT_EOF
+	  # Now generate the symbol file.
+	  eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext'
+
+	  cat <<_LT_EOF >> conftest.$ac_ext
+
+/* The mapping between symbol names and symbols.  */
+const struct {
+  const char *name;
+  void       *address;
+}
+lt__PROGRAM__LTX_preloaded_symbols[[]] =
+{
+  { "@PROGRAM@", (void *) 0 },
+_LT_EOF
+	  $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/  {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext
+	  cat <<\_LT_EOF >> conftest.$ac_ext
+  {0, (void *) 0}
+};
+
+/* This works around a problem in FreeBSD linker */
+#ifdef FREEBSD_WORKAROUND
+static const void *lt_preloaded_setup() {
+  return lt__PROGRAM__LTX_preloaded_symbols;
+}
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+_LT_EOF
+	  # Now try linking the two files.
+	  mv conftest.$ac_objext conftstm.$ac_objext
+	  lt_save_LIBS="$LIBS"
+	  lt_save_CFLAGS="$CFLAGS"
+	  LIBS="conftstm.$ac_objext"
+	  CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)"
+	  if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext}; then
+	    pipe_works=yes
+	  fi
+	  LIBS="$lt_save_LIBS"
+	  CFLAGS="$lt_save_CFLAGS"
+	else
+	  echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD
+	fi
+      else
+	echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD
+      fi
+    else
+      echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD
+    fi
+  else
+    echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD
+    cat conftest.$ac_ext >&5
+  fi
+  rm -rf conftest* conftst*
+
+  # Do not use the global_symbol_pipe unless it works.
+  if test "$pipe_works" = yes; then
+    break
+  else
+    lt_cv_sys_global_symbol_pipe=
+  fi
+done
+])
+if test -z "$lt_cv_sys_global_symbol_pipe"; then
+  lt_cv_sys_global_symbol_to_cdecl=
+fi
+if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then
+  AC_MSG_RESULT(failed)
+else
+  AC_MSG_RESULT(ok)
+fi
+
+_LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1],
+    [Take the output of nm and produce a listing of raw symbols and C names])
+_LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1],
+    [Transform the output of nm in a proper C declaration])
+_LT_DECL([global_symbol_to_c_name_address],
+    [lt_cv_sys_global_symbol_to_c_name_address], [1],
+    [Transform the output of nm in a C name address pair])
+_LT_DECL([global_symbol_to_c_name_address_lib_prefix],
+    [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1],
+    [Transform the output of nm in a C name address pair when lib prefix is needed])
+]) # _LT_CMD_GLOBAL_SYMBOLS
+
+
+# _LT_COMPILER_PIC([TAGNAME])
+# ---------------------------
+m4_defun([_LT_COMPILER_PIC],
+[m4_require([_LT_TAG_COMPILER])dnl
+_LT_TAGVAR(lt_prog_compiler_wl, $1)=
+_LT_TAGVAR(lt_prog_compiler_pic, $1)=
+_LT_TAGVAR(lt_prog_compiler_static, $1)=
+
+AC_MSG_CHECKING([for $compiler option to produce PIC])
+m4_if([$1], [CXX], [
+  # C++ specific cases for pic, static, wl, etc.
+  if test "$GXX" = yes; then
+    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+    _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+
+    case $host_os in
+    aix*)
+      # All AIX code is PIC.
+      if test "$host_cpu" = ia64; then
+	# AIX 5 now supports IA64 processor
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      fi
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+        ;;
+      m68k)
+            # FIXME: we need at least 68020 code to build shared libraries, but
+            # adding the `-m68020' flag to GCC prevents building anything better,
+            # like `-m68040'.
+            _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4'
+        ;;
+      esac
+      ;;
+
+    beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
+      # PIC is the default for these OSes.
+      ;;
+    mingw* | cygwin* | os2* | pw32*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      # Although the cygwin gcc ignores -fPIC, still need this for old-style
+      # (--disable-auto-import) libraries
+      m4_if([$1], [GCJ], [],
+	[_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+      ;;
+    darwin* | rhapsody*)
+      # PIC is the default on this platform
+      # Common symbols not allowed in MH_DYLIB files
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
+      ;;
+    *djgpp*)
+      # DJGPP does not support shared libraries at all
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)=
+      ;;
+    interix[[3-9]]*)
+      # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+      # Instead, we relocate shared libraries at runtime.
+      ;;
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic
+      fi
+      ;;
+    hpux*)
+      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+      # not for PA HP-UX.
+      case $host_cpu in
+      hppa*64*|ia64*)
+	;;
+      *)
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	;;
+      esac
+      ;;
+    *qnx* | *nto*)
+      # QNX uses GNU C++, but need to define -shared option too, otherwise
+      # it will coredump.
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
+      ;;
+    *)
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+      ;;
+    esac
+  else
+    case $host_os in
+      aix[[4-9]]*)
+	# All AIX code is PIC.
+	if test "$host_cpu" = ia64; then
+	  # AIX 5 now supports IA64 processor
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	else
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp'
+	fi
+	;;
+      chorus*)
+	case $cc_basename in
+	cxch68*)
+	  # Green Hills C++ Compiler
+	  # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a"
+	  ;;
+	esac
+	;;
+      dgux*)
+	case $cc_basename in
+	  ec++*)
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    ;;
+	  ghcx*)
+	    # Green Hills C++ Compiler
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      freebsd* | dragonfly*)
+	# FreeBSD uses GNU C++
+	;;
+      hpux9* | hpux10* | hpux11*)
+	case $cc_basename in
+	  CC*)
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive'
+	    if test "$host_cpu" != ia64; then
+	      _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
+	    fi
+	    ;;
+	  aCC*)
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive'
+	    case $host_cpu in
+	    hppa*64*|ia64*)
+	      # +Z the default
+	      ;;
+	    *)
+	      _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
+	      ;;
+	    esac
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      interix*)
+	# This is c89, which is MS Visual C++ (no shared libs)
+	# Anyone wants to do a port?
+	;;
+      irix5* | irix6* | nonstopux*)
+	case $cc_basename in
+	  CC*)
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+	    # CC pic flag -KPIC is the default.
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      linux* | k*bsd*-gnu)
+	case $cc_basename in
+	  KCC*)
+	    # KAI C++ Compiler
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	    ;;
+	  icpc* | ecpc* )
+	    # Intel C++
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+	    ;;
+	  pgCC* | pgcpp*)
+	    # Portland Group C++ compiler
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	    ;;
+	  cxx*)
+	    # Compaq C++
+	    # Make sure the PIC flag is empty.  It appears that all Alpha
+	    # Linux and Compaq Tru64 Unix objects are PIC.
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)=
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+	    ;;
+	  xlc* | xlC*)
+	    # IBM XL 8.0 on PPC
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink'
+	    ;;
+	  *)
+	    case `$CC -V 2>&1 | sed 5q` in
+	    *Sun\ C*)
+	      # Sun C++ 5.9
+	      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+	      ;;
+	    esac
+	    ;;
+	esac
+	;;
+      lynxos*)
+	;;
+      m88k*)
+	;;
+      mvs*)
+	case $cc_basename in
+	  cxx*)
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      netbsd*)
+	;;
+      *qnx* | *nto*)
+        # QNX uses GNU C++, but need to define -shared option too, otherwise
+        # it will coredump.
+        _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
+        ;;
+      osf3* | osf4* | osf5*)
+	case $cc_basename in
+	  KCC*)
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,'
+	    ;;
+	  RCC*)
+	    # Rational C++ 2.4.1
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+	    ;;
+	  cxx*)
+	    # Digital/Compaq C++
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    # Make sure the PIC flag is empty.  It appears that all Alpha
+	    # Linux and Compaq Tru64 Unix objects are PIC.
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)=
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      psos*)
+	;;
+      solaris*)
+	case $cc_basename in
+	  CC*)
+	    # Sun C++ 4.2, 5.x and Centerline C++
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+	    ;;
+	  gcx*)
+	    # Green Hills C++ Compiler
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      sunos4*)
+	case $cc_basename in
+	  CC*)
+	    # Sun C++ 4.x
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	    ;;
+	  lcc*)
+	    # Lucid
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
+	case $cc_basename in
+	  CC*)
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	    ;;
+	esac
+	;;
+      tandem*)
+	case $cc_basename in
+	  NCC*)
+	    # NonStop-UX NCC 3.20
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      vxworks*)
+	;;
+      *)
+	_LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+	;;
+    esac
+  fi
+],
+[
+  if test "$GCC" = yes; then
+    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+    _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+
+    case $host_os in
+      aix*)
+      # All AIX code is PIC.
+      if test "$host_cpu" = ia64; then
+	# AIX 5 now supports IA64 processor
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      fi
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+        ;;
+      m68k)
+            # FIXME: we need at least 68020 code to build shared libraries, but
+            # adding the `-m68020' flag to GCC prevents building anything better,
+            # like `-m68040'.
+            _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4'
+        ;;
+      esac
+      ;;
+
+    beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
+      # PIC is the default for these OSes.
+      ;;
+
+    mingw* | cygwin* | pw32* | os2*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      # Although the cygwin gcc ignores -fPIC, still need this for old-style
+      # (--disable-auto-import) libraries
+      m4_if([$1], [GCJ], [],
+	[_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+      ;;
+
+    darwin* | rhapsody*)
+      # PIC is the default on this platform
+      # Common symbols not allowed in MH_DYLIB files
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
+      ;;
+
+    hpux*)
+      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+      # not for PA HP-UX.
+      case $host_cpu in
+      hppa*64*|ia64*)
+	# +Z the default
+	;;
+      *)
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	;;
+      esac
+      ;;
+
+    interix[[3-9]]*)
+      # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+      # Instead, we relocate shared libraries at runtime.
+      ;;
+
+    msdosdjgpp*)
+      # Just because we use GCC doesn't mean we suddenly get shared libraries
+      # on systems that don't support them.
+      _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+      enable_shared=no
+      ;;
+
+    *nto* | *qnx*)
+      # QNX uses GNU C++, but need to define -shared option too, otherwise
+      # it will coredump.
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic
+      fi
+      ;;
+
+    *)
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+      ;;
+    esac
+  else
+    # PORTME Check for flag to pass linker flags through the system compiler.
+    case $host_os in
+    aix*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      if test "$host_cpu" = ia64; then
+	# AIX 5 now supports IA64 processor
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      else
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp'
+      fi
+      ;;
+
+    mingw* | cygwin* | pw32* | os2*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      m4_if([$1], [GCJ], [],
+	[_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+      ;;
+
+    hpux9* | hpux10* | hpux11*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+      # not for PA HP-UX.
+      case $host_cpu in
+      hppa*64*|ia64*)
+	# +Z the default
+	;;
+      *)
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
+	;;
+      esac
+      # Is there a better lt_prog_compiler_static that works with the bundled CC?
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive'
+      ;;
+
+    irix5* | irix6* | nonstopux*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      # PIC (with -KPIC) is the default.
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+      ;;
+
+    linux* | k*bsd*-gnu)
+      case $cc_basename in
+      icc* | ecc* | ifort*)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+        ;;
+      pgcc* | pgf77* | pgf90* | pgf95*)
+        # Portland Group compilers (*not* the Pentium gcc compiler,
+	# which looks to be a dead project)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+        ;;
+      ccc*)
+        _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+        # All Alpha code is PIC.
+        _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+        ;;
+      xl*)
+	# IBM XL C 8.0/Fortran 10.1 on PPC
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink'
+	;;
+      *)
+	case `$CC -V 2>&1 | sed 5q` in
+	*Sun\ C*)
+	  # Sun C 5.9
+	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	  ;;
+	*Sun\ F*)
+	  # Sun Fortran 8.3 passes all unrecognized flags to the linker
+	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	  _LT_TAGVAR(lt_prog_compiler_wl, $1)=''
+	  ;;
+	esac
+	;;
+      esac
+      ;;
+
+    newsos6)
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    *nto* | *qnx*)
+      # QNX uses GNU C++, but need to define -shared option too, otherwise
+      # it will coredump.
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
+      ;;
+
+    osf3* | osf4* | osf5*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      # All OSF/1 code is PIC.
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+      ;;
+
+    rdos*)
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+      ;;
+
+    solaris*)
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      case $cc_basename in
+      f77* | f90* | f95*)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ';;
+      *)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';;
+      esac
+      ;;
+
+    sunos4*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    sysv4 | sysv4.2uw2* | sysv4.3*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec ;then
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      fi
+      ;;
+
+    sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    unicos*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+      ;;
+
+    uts4*)
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    *)
+      _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+      ;;
+    esac
+  fi
+])
+case $host_os in
+  # For platforms which do not support PIC, -DPIC is meaningless:
+  *djgpp*)
+    _LT_TAGVAR(lt_prog_compiler_pic, $1)=
+    ;;
+  *)
+    _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t at m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])"
+    ;;
+esac
+AC_MSG_RESULT([$_LT_TAGVAR(lt_prog_compiler_pic, $1)])
+_LT_TAGDECL([wl], [lt_prog_compiler_wl], [1],
+	[How to pass a linker flag through the compiler])
+
+#
+# Check to make sure the PIC flag actually works.
+#
+if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then
+  _LT_COMPILER_OPTION([if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, $1) works],
+    [_LT_TAGVAR(lt_cv_prog_compiler_pic_works, $1)],
+    [$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t at m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])], [],
+    [case $_LT_TAGVAR(lt_prog_compiler_pic, $1) in
+     "" | " "*) ;;
+     *) _LT_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_TAGVAR(lt_prog_compiler_pic, $1)" ;;
+     esac],
+    [_LT_TAGVAR(lt_prog_compiler_pic, $1)=
+     _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no])
+fi
+_LT_TAGDECL([pic_flag], [lt_prog_compiler_pic], [1],
+	[Additional compiler flags for building library objects])
+
+#
+# Check to make sure the static flag actually works.
+#
+wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1) eval lt_tmp_static_flag=\"$_LT_TAGVAR(lt_prog_compiler_static, $1)\"
+_LT_LINKER_OPTION([if $compiler static flag $lt_tmp_static_flag works],
+  _LT_TAGVAR(lt_cv_prog_compiler_static_works, $1),
+  $lt_tmp_static_flag,
+  [],
+  [_LT_TAGVAR(lt_prog_compiler_static, $1)=])
+_LT_TAGDECL([link_static_flag], [lt_prog_compiler_static], [1],
+	[Compiler flag to prevent dynamic linking])
+])# _LT_COMPILER_PIC
+
+
+# _LT_LINKER_SHLIBS([TAGNAME])
+# ----------------------------
+# See if the linker supports building shared libraries.
+m4_defun([_LT_LINKER_SHLIBS],
+[AC_REQUIRE([LT_PATH_LD])dnl
+AC_REQUIRE([LT_PATH_NM])dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_EGREP])dnl
+m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl
+m4_require([_LT_TAG_COMPILER])dnl
+AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries])
+m4_if([$1], [CXX], [
+  _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+  case $host_os in
+  aix[[4-9]]*)
+    # If we're using GNU nm, then we don't want the "-C" option.
+    # -C means demangle to AIX nm, but means don't demangle with GNU nm
+    if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
+      _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+    else
+      _LT_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+    fi
+    ;;
+  pw32*)
+    _LT_TAGVAR(export_symbols_cmds, $1)="$ltdll_cmds"
+  ;;
+  cygwin* | mingw*)
+    _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;/^.*[[ ]]__nm__/s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols'
+  ;;
+  *)
+    _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+  ;;
+  esac
+  _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*']
+], [
+  runpath_var=
+  _LT_TAGVAR(allow_undefined_flag, $1)=
+  _LT_TAGVAR(always_export_symbols, $1)=no
+  _LT_TAGVAR(archive_cmds, $1)=
+  _LT_TAGVAR(archive_expsym_cmds, $1)=
+  _LT_TAGVAR(compiler_needs_object, $1)=no
+  _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+  _LT_TAGVAR(export_dynamic_flag_spec, $1)=
+  _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+  _LT_TAGVAR(hardcode_automatic, $1)=no
+  _LT_TAGVAR(hardcode_direct, $1)=no
+  _LT_TAGVAR(hardcode_direct_absolute, $1)=no
+  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+  _LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)=
+  _LT_TAGVAR(hardcode_libdir_separator, $1)=
+  _LT_TAGVAR(hardcode_minus_L, $1)=no
+  _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+  _LT_TAGVAR(inherit_rpath, $1)=no
+  _LT_TAGVAR(link_all_deplibs, $1)=unknown
+  _LT_TAGVAR(module_cmds, $1)=
+  _LT_TAGVAR(module_expsym_cmds, $1)=
+  _LT_TAGVAR(old_archive_from_new_cmds, $1)=
+  _LT_TAGVAR(old_archive_from_expsyms_cmds, $1)=
+  _LT_TAGVAR(thread_safe_flag_spec, $1)=
+  _LT_TAGVAR(whole_archive_flag_spec, $1)=
+  # include_expsyms should be a list of space-separated symbols to be *always*
+  # included in the symbol list
+  _LT_TAGVAR(include_expsyms, $1)=
+  # exclude_expsyms can be an extended regexp of symbols to exclude
+  # it will be wrapped by ` (' and `)$', so one must not match beginning or
+  # end of line.  Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
+  # as well as any symbol that contains `d'.
+  _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*']
+  # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
+  # platforms (ab)use it in PIC code, but their linkers get confused if
+  # the symbol is explicitly referenced.  Since portable code cannot
+  # rely on this symbol name, it's probably fine to never include it in
+  # preloaded symbol tables.
+  # Exclude shared library initialization/finalization symbols.
+dnl Note also adjust exclude_expsyms for C++ above.
+  extract_expsyms_cmds=
+
+  case $host_os in
+  cygwin* | mingw* | pw32*)
+    # FIXME: the MSVC++ port hasn't been tested in a loooong time
+    # When not using gcc, we currently assume that we are using
+    # Microsoft Visual C++.
+    if test "$GCC" != yes; then
+      with_gnu_ld=no
+    fi
+    ;;
+  interix*)
+    # we just hope/assume this is gcc and not c89 (= MSVC++)
+    with_gnu_ld=yes
+    ;;
+  openbsd*)
+    with_gnu_ld=no
+    ;;
+  esac
+
+  _LT_TAGVAR(ld_shlibs, $1)=yes
+  if test "$with_gnu_ld" = yes; then
+    # If archive_cmds runs LD, not CC, wlarc should be empty
+    wlarc='${wl}'
+
+    # Set some defaults for GNU ld with shared library support. These
+    # are reset later if shared libraries are not supported. Putting them
+    # here allows them to be overridden if necessary.
+    runpath_var=LD_RUN_PATH
+    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+    _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
+    # ancient GNU ld didn't support --whole-archive et. al.
+    if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then
+      _LT_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
+    else
+      _LT_TAGVAR(whole_archive_flag_spec, $1)=
+    fi
+    supports_anon_versioning=no
+    case `$LD -v 2>&1` in
+      *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.10.*) ;; # catch versions < 2.11
+      *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ...
+      *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ...
+      *\ 2.11.*) ;; # other 2.11 versions
+      *) supports_anon_versioning=yes ;;
+    esac
+
+    # See if GNU ld supports shared libraries.
+    case $host_os in
+    aix[[3-9]]*)
+      # On AIX/PPC, the GNU linker is very broken
+      if test "$host_cpu" != ia64; then
+	_LT_TAGVAR(ld_shlibs, $1)=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: the GNU linker, at least up to release 2.9.1, is reported
+*** to be unable to reliably create shared libraries on AIX.
+*** Therefore, libtool is disabling shared libraries support.  If you
+*** really care for shared libraries, you may want to modify your PATH
+*** so that a non-GNU linker is found, and then restart.
+
+_LT_EOF
+      fi
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+            _LT_TAGVAR(archive_expsym_cmds, $1)=''
+        ;;
+      m68k)
+            _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+            _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+            _LT_TAGVAR(hardcode_minus_L, $1)=yes
+        ;;
+      esac
+      ;;
+
+    beos*)
+      if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	_LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	# Joseph Beckenbach <jrb3 at best.com> says some releases of gcc
+	# support --undefined.  This deserves some investigation.  FIXME
+	_LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+      else
+	_LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    cygwin* | mingw* | pw32*)
+      # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless,
+      # as there is no search path for DLLs.
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+      _LT_TAGVAR(always_export_symbols, $1)=no
+      _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+      _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/'\'' | $SED -e '\''/^[[AITW]][[ ]]/s/.*[[ ]]//'\'' | sort | uniq > $export_symbols'
+
+      if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then
+        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+	# If the export-symbols file already is a .def file (1st line
+	# is EXPORTS), use it as is; otherwise, prepend...
+	_LT_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
+	  cp $export_symbols $output_objdir/$soname.def;
+	else
+	  echo EXPORTS > $output_objdir/$soname.def;
+	  cat $export_symbols >> $output_objdir/$soname.def;
+	fi~
+	$CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+      else
+	_LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    interix[[3-9]]*)
+      _LT_TAGVAR(hardcode_direct, $1)=no
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+      # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+      # Instead, shared libraries are loaded at an image base (0x10000000 by
+      # default) and relocated if they conflict, which is a slow very memory
+      # consuming and fragmenting process.  To avoid this, we pick a random,
+      # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+      # time.  Moving up from 0x10000000 also allows more sbrk(2) space.
+      _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+      _LT_TAGVAR(archive_expsym_cmds, $1)='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+      ;;
+
+    gnu* | linux* | tpf* | k*bsd*-gnu)
+      tmp_diet=no
+      if test "$host_os" = linux-dietlibc; then
+	case $cc_basename in
+	  diet\ *) tmp_diet=yes;;	# linux-dietlibc with static linking (!diet-dyn)
+	esac
+      fi
+      if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
+	 && test "$tmp_diet" = no
+      then
+	tmp_addflag=
+	tmp_sharedflag='-shared'
+	case $cc_basename,$host_cpu in
+        pgcc*)				# Portland Group C compiler
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $ECHO \"$new_convenience\"` ${wl}--no-whole-archive'
+	  tmp_addflag=' $pic_flag'
+	  ;;
+	pgf77* | pgf90* | pgf95*)	# Portland Group f77 and f90 compilers
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $ECHO \"$new_convenience\"` ${wl}--no-whole-archive'
+	  tmp_addflag=' $pic_flag -Mnomain' ;;
+	ecc*,ia64* | icc*,ia64*)	# Intel C compiler on ia64
+	  tmp_addflag=' -i_dynamic' ;;
+	efc*,ia64* | ifort*,ia64*)	# Intel Fortran compiler on ia64
+	  tmp_addflag=' -i_dynamic -nofor_main' ;;
+	ifc* | ifort*)			# Intel Fortran compiler
+	  tmp_addflag=' -nofor_main' ;;
+	xl[[cC]]*)			# IBM XL C 8.0 on PPC (deal with xlf below)
+	  tmp_sharedflag='-qmkshrobj'
+	  tmp_addflag= ;;
+	esac
+	case `$CC -V 2>&1 | sed 5q` in
+	*Sun\ C*)			# Sun C 5.9
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; $ECHO \"$new_convenience\"` ${wl}--no-whole-archive'
+	  _LT_TAGVAR(compiler_needs_object, $1)=yes
+	  tmp_sharedflag='-G' ;;
+	*Sun\ F*)			# Sun Fortran 8.3
+	  tmp_sharedflag='-G' ;;
+	esac
+	_LT_TAGVAR(archive_cmds, $1)='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+
+        if test "x$supports_anon_versioning" = xyes; then
+          _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~
+	    cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+	    echo "local: *; };" >> $output_objdir/$libname.ver~
+	    $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib'
+        fi
+
+	case $cc_basename in
+	xlf*)
+	  # IBM XL Fortran 10.1 on PPC cannot create shared libs itself
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='--whole-archive$convenience --no-whole-archive'
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+	  _LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)='-rpath $libdir'
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -shared $libobjs $deplibs $compiler_flags -soname $soname -o $lib'
+	  if test "x$supports_anon_versioning" = xyes; then
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~
+	      cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+	      echo "local: *; };" >> $output_objdir/$libname.ver~
+	      $LD -shared $libobjs $deplibs $compiler_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib'
+	  fi
+	  ;;
+	esac
+      else
+        _LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    netbsd*)
+      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+	_LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
+	wlarc=
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+      fi
+      ;;
+
+    solaris*)
+      if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then
+	_LT_TAGVAR(ld_shlibs, $1)=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: The releases 2.8.* of the GNU linker cannot reliably
+*** create shared libraries on Solaris systems.  Therefore, libtool
+*** is disabling shared libraries support.  We urge you to upgrade GNU
+*** binutils to release 2.9.1 or newer.  Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+      elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+      else
+	_LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
+      case `$LD -v 2>&1` in
+        *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.1[[0-5]].*)
+	_LT_TAGVAR(ld_shlibs, $1)=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not
+*** reliably create shared libraries on SCO systems.  Therefore, libtool
+*** is disabling shared libraries support.  We urge you to upgrade GNU
+*** binutils to release 2.16.91.0.3 or newer.  Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+	;;
+	*)
+	  # For security reasons, it is highly recommended that you always
+	  # use absolute paths for naming shared libraries, and exclude the
+	  # DT_RUNPATH tag from executables and libraries.  But doing so
+	  # requires that you compile everything twice, which is a pain.
+	  if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+	  else
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	  fi
+	;;
+      esac
+      ;;
+
+    sunos4*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+      wlarc=
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    *)
+      if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+      else
+	_LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+    esac
+
+    if test "$_LT_TAGVAR(ld_shlibs, $1)" = no; then
+      runpath_var=
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)=
+      _LT_TAGVAR(whole_archive_flag_spec, $1)=
+    fi
+  else
+    # PORTME fill in a description of your system's linker (not GNU ld)
+    case $host_os in
+    aix3*)
+      _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+      _LT_TAGVAR(always_export_symbols, $1)=yes
+      _LT_TAGVAR(archive_expsym_cmds, $1)='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
+      # Note: this linker hardcodes the directories in LIBPATH if there
+      # are no directories specified by -L.
+      _LT_TAGVAR(hardcode_minus_L, $1)=yes
+      if test "$GCC" = yes && test -z "$lt_prog_compiler_static"; then
+	# Neither direct hardcoding nor static linking is supported with a
+	# broken collect2.
+	_LT_TAGVAR(hardcode_direct, $1)=unsupported
+      fi
+      ;;
+
+    aix[[4-9]]*)
+      if test "$host_cpu" = ia64; then
+	# On IA64, the linker does run time linking by default, so we don't
+	# have to do anything special.
+	aix_use_runtimelinking=no
+	exp_sym_flag='-Bexport'
+	no_entry_flag=""
+      else
+	# If we're using GNU nm, then we don't want the "-C" option.
+	# -C means demangle to AIX nm, but means don't demangle with GNU nm
+	if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
+	  _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+	else
+	  _LT_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+	fi
+	aix_use_runtimelinking=no
+
+	# Test if we are trying to use run time linking or normal
+	# AIX style linking. If -brtl is somewhere in LDFLAGS, we
+	# need to do runtime linking.
+	case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*)
+	  for ld_flag in $LDFLAGS; do
+	  if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
+	    aix_use_runtimelinking=yes
+	    break
+	  fi
+	  done
+	  ;;
+	esac
+
+	exp_sym_flag='-bexport'
+	no_entry_flag='-bnoentry'
+      fi
+
+      # When large executables or shared objects are built, AIX ld can
+      # have problems creating the table of contents.  If linking a library
+      # or program results in "error TOC overflow" add -mminimal-toc to
+      # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
+      # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
+
+      _LT_TAGVAR(archive_cmds, $1)=''
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=':'
+      _LT_TAGVAR(link_all_deplibs, $1)=yes
+      _LT_TAGVAR(file_list_spec, $1)='${wl}-f,'
+
+      if test "$GCC" = yes; then
+	case $host_os in aix4.[[012]]|aix4.[[012]].*)
+	# We only want to do this on AIX 4.2 and lower, the check
+	# below for broken collect2 doesn't work under 4.3+
+	  collect2name=`${CC} -print-prog-name=collect2`
+	  if test -f "$collect2name" &&
+	   strings "$collect2name" | $GREP resolve_lib_name >/dev/null
+	  then
+	  # We have reworked collect2
+	  :
+	  else
+	  # We have old collect2
+	  _LT_TAGVAR(hardcode_direct, $1)=unsupported
+	  # It fails to find uninstalled libraries when the uninstalled
+	  # path is not listed in the libpath.  Setting hardcode_minus_L
+	  # to unsupported forces relinking
+	  _LT_TAGVAR(hardcode_minus_L, $1)=yes
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+	  _LT_TAGVAR(hardcode_libdir_separator, $1)=
+	  fi
+	  ;;
+	esac
+	shared_flag='-shared'
+	if test "$aix_use_runtimelinking" = yes; then
+	  shared_flag="$shared_flag "'${wl}-G'
+	fi
+      else
+	# not using gcc
+	if test "$host_cpu" = ia64; then
+	# VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
+	# chokes on -Wl,-G. The following line is correct:
+	  shared_flag='-G'
+	else
+	  if test "$aix_use_runtimelinking" = yes; then
+	    shared_flag='${wl}-G'
+	  else
+	    shared_flag='${wl}-bM:SRE'
+	  fi
+	fi
+      fi
+
+      # It seems that -bexpall does not export symbols beginning with
+      # underscore (_), so it is better to generate a list of symbols to export.
+      _LT_TAGVAR(always_export_symbols, $1)=yes
+      if test "$aix_use_runtimelinking" = yes; then
+	# Warning - without using the other runtime loading flags (-brtl),
+	# -berok will link without error, but may produce a broken library.
+	_LT_TAGVAR(allow_undefined_flag, $1)='-berok'
+        # Determine the default libpath from the value encoded in an
+        # empty executable.
+        _LT_SYS_MODULE_PATH_AIX
+        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
+        _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then $ECHO "X${wl}${allow_undefined_flag}" | $Xsed; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag"
+      else
+	if test "$host_cpu" = ia64; then
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $libdir:/usr/lib:/lib'
+	  _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs"
+	  _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols"
+	else
+	 # Determine the default libpath from the value encoded in an
+	 # empty executable.
+	 _LT_SYS_MODULE_PATH_AIX
+	 _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
+	  # Warning - without using the other run time loading flags,
+	  # -berok will link without error, but may produce a broken library.
+	  _LT_TAGVAR(no_undefined_flag, $1)=' ${wl}-bernotok'
+	  _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-berok'
+	  # Exported symbols can be pulled into shared objects from archives
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience'
+	  _LT_TAGVAR(archive_cmds_need_lc, $1)=yes
+	  # This is similar to how AIX traditionally builds its shared libraries.
+	  _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
+	fi
+      fi
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+            _LT_TAGVAR(archive_expsym_cmds, $1)=''
+        ;;
+      m68k)
+            _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+            _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+            _LT_TAGVAR(hardcode_minus_L, $1)=yes
+        ;;
+      esac
+      ;;
+
+    bsdi[[45]]*)
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)=-rdynamic
+      ;;
+
+    cygwin* | mingw* | pw32*)
+      # When not using gcc, we currently assume that we are using
+      # Microsoft Visual C++.
+      # hardcode_libdir_flag_spec is actually meaningless, as there is
+      # no search path for DLLs.
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' '
+      _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+      # Tell ltmain to make .lib files, not .a files.
+      libext=lib
+      # Tell ltmain to make .dll files, not .so files.
+      shrext_cmds=".dll"
+      # FIXME: Setting linknames here is a bad hack.
+      _LT_TAGVAR(archive_cmds, $1)='$CC -o $lib $libobjs $compiler_flags `$ECHO "X$deplibs" | $Xsed -e '\''s/ -lc$//'\''` -link -dll~linknames='
+      # The linker will automatically build a .lib file if we build a DLL.
+      _LT_TAGVAR(old_archive_from_new_cmds, $1)='true'
+      # FIXME: Should let the user specify the lib program.
+      _LT_TAGVAR(old_archive_cmds, $1)='lib -OUT:$oldlib$oldobjs$old_deplibs'
+      _LT_TAGVAR(fix_srcfile_path, $1)='`cygpath -w "$srcfile"`'
+      _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+      ;;
+
+    darwin* | rhapsody*)
+      _LT_DARWIN_LINKER_FEATURES($1)
+      ;;
+
+    dgux*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    freebsd1*)
+      _LT_TAGVAR(ld_shlibs, $1)=no
+      ;;
+
+    # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
+    # support.  Future versions do this automatically, but an explicit c++rt0.o
+    # does not break anything, and helps significantly (at the cost of a little
+    # extra space).
+    freebsd2.2*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    # Unfortunately, older versions of FreeBSD 2 do not have this feature.
+    freebsd2*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_minus_L, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
+    freebsd* | dragonfly*)
+      _LT_TAGVAR(archive_cmds, $1)='$CC -shared -o $lib $libobjs $deplibs $compiler_flags'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    hpux9*)
+      if test "$GCC" = yes; then
+	_LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+      fi
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+
+      # hardcode_minus_L: Not really in the search PATH,
+      # but as the default location of the library.
+      _LT_TAGVAR(hardcode_minus_L, $1)=yes
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+      ;;
+
+    hpux10*)
+      if test "$GCC" = yes -a "$with_gnu_ld" = no; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
+      fi
+      if test "$with_gnu_ld" = no; then
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
+	_LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)='+b $libdir'
+	_LT_TAGVAR(hardcode_libdir_separator, $1)=:
+	_LT_TAGVAR(hardcode_direct, $1)=yes
+	_LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+	_LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+	# hardcode_minus_L: Not really in the search PATH,
+	# but as the default location of the library.
+	_LT_TAGVAR(hardcode_minus_L, $1)=yes
+      fi
+      ;;
+
+    hpux11*)
+      if test "$GCC" = yes -a "$with_gnu_ld" = no; then
+	case $host_cpu in
+	hppa*64*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	ia64*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	esac
+      else
+	case $host_cpu in
+	hppa*64*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	ia64*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	esac
+      fi
+      if test "$with_gnu_ld" = no; then
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
+	_LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	case $host_cpu in
+	hppa*64*|ia64*)
+	  _LT_TAGVAR(hardcode_direct, $1)=no
+	  _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	  ;;
+	*)
+	  _LT_TAGVAR(hardcode_direct, $1)=yes
+	  _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+	  _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+
+	  # hardcode_minus_L: Not really in the search PATH,
+	  # but as the default location of the library.
+	  _LT_TAGVAR(hardcode_minus_L, $1)=yes
+	  ;;
+	esac
+      fi
+      ;;
+
+    irix5* | irix6* | nonstopux*)
+      if test "$GCC" = yes; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+	# Try to use the -exported_symbol ld option, if it does not
+	# work, assume that -exports_file does not work either and
+	# implicitly export all symbols.
+        save_LDFLAGS="$LDFLAGS"
+        LDFLAGS="$LDFLAGS -shared ${wl}-exported_symbol ${wl}foo ${wl}-update_registry ${wl}/dev/null"
+        AC_LINK_IFELSE(int foo(void) {},
+          _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations ${wl}-exports_file ${wl}$export_symbols -o $lib'
+        )
+        LDFLAGS="$save_LDFLAGS"
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -exports_file $export_symbols -o $lib'
+      fi
+      _LT_TAGVAR(archive_cmds_need_lc, $1)='no'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+      _LT_TAGVAR(inherit_rpath, $1)=yes
+      _LT_TAGVAR(link_all_deplibs, $1)=yes
+      ;;
+
+    netbsd*)
+      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+	_LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$LD -shared -o $lib $libobjs $deplibs $linker_flags'      # ELF
+      fi
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    newsos6)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    *nto* | *qnx*)
+      ;;
+
+    openbsd*)
+      if test -f /usr/libexec/ld.so; then
+	_LT_TAGVAR(hardcode_direct, $1)=yes
+	_LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	_LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+	if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols'
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+	  _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+	else
+	  case $host_os in
+	   openbsd[[01]].* | openbsd2.[[0-7]] | openbsd2.[[0-7]].*)
+	     _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+	     _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+	     ;;
+	   *)
+	     _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+	     _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+	     ;;
+	  esac
+	fi
+      else
+	_LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    os2*)
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_TAGVAR(hardcode_minus_L, $1)=yes
+      _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+      _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~$ECHO DATA >> $output_objdir/$libname.def~$ECHO " SINGLE NONSHARED" >> $output_objdir/$libname.def~$ECHO EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def'
+      _LT_TAGVAR(old_archive_from_new_cmds, $1)='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
+      ;;
+
+    osf3*)
+      if test "$GCC" = yes; then
+	_LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+      else
+	_LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib'
+      fi
+      _LT_TAGVAR(archive_cmds_need_lc, $1)='no'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+      ;;
+
+    osf4* | osf5*)	# as osf3* with the addition of -msym flag
+      if test "$GCC" = yes; then
+	_LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+      else
+	_LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~
+	$CC -shared${allow_undefined_flag} ${wl}-input ${wl}$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib~$RM $lib.exp'
+
+	# Both c and cxx compiler support -rpath directly
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
+      fi
+      _LT_TAGVAR(archive_cmds_need_lc, $1)='no'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+      ;;
+
+    solaris*)
+      _LT_TAGVAR(no_undefined_flag, $1)=' -z defs'
+      if test "$GCC" = yes; then
+	wlarc='${wl}'
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-z ${wl}text ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+	  $CC -shared ${wl}-z ${wl}text ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
+      else
+	case `$CC -V 2>&1` in
+	*"Compilers 5.0"*)
+	  wlarc=''
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+	  $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp'
+	  ;;
+	*)
+	  wlarc='${wl}'
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $compiler_flags'
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+	  $CC -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
+	  ;;
+	esac
+      fi
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      case $host_os in
+      solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
+      *)
+	# The compiler driver will combine and reorder linker options,
+	# but understands `-z linker_flag'.  GCC discards it without `$wl',
+	# but is careful enough not to reorder.
+	# Supported since Solaris 2.6 (maybe 2.5.1?)
+	if test "$GCC" = yes; then
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
+	else
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract'
+	fi
+	;;
+      esac
+      _LT_TAGVAR(link_all_deplibs, $1)=yes
+      ;;
+
+    sunos4*)
+      if test "x$host_vendor" = xsequent; then
+	# Use $CC to link under sequent, because it throws in some extra .o
+	# files that make .init and .fini sections work.
+	_LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
+      fi
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_minus_L, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    sysv4)
+      case $host_vendor in
+	sni)
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  _LT_TAGVAR(hardcode_direct, $1)=yes # is this really true???
+	;;
+	siemens)
+	  ## LD is ld it makes a PLAMLIB
+	  ## CC just makes a GrossModule.
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -G -o $lib $libobjs $deplibs $linker_flags'
+	  _LT_TAGVAR(reload_cmds, $1)='$CC -r -o $output$reload_objs'
+	  _LT_TAGVAR(hardcode_direct, $1)=no
+        ;;
+	motorola)
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  _LT_TAGVAR(hardcode_direct, $1)=no #Motorola manual says yes, but my tests say they lie
+	;;
+      esac
+      runpath_var='LD_RUN_PATH'
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    sysv4.3*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='-Bexport'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	_LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	_LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	runpath_var=LD_RUN_PATH
+	hardcode_runpath_var=yes
+	_LT_TAGVAR(ld_shlibs, $1)=yes
+      fi
+      ;;
+
+    sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*)
+      _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text'
+      _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      runpath_var='LD_RUN_PATH'
+
+      if test "$GCC" = yes; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      fi
+      ;;
+
+    sysv5* | sco3.2v5* | sco5v6*)
+      # Note: We can NOT use -z defs as we might desire, because we do not
+      # link with -lc, and that would cause any symbols used from libc to
+      # always be unresolved, which means just about no library would
+      # ever link correctly.  If we're not using GNU ld we use -z text
+      # though, which does catch some bad symbols but isn't as heavy-handed
+      # as -z defs.
+      _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text'
+      _LT_TAGVAR(allow_undefined_flag, $1)='${wl}-z,nodefs'
+      _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R,$libdir'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=':'
+      _LT_TAGVAR(link_all_deplibs, $1)=yes
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Bexport'
+      runpath_var='LD_RUN_PATH'
+
+      if test "$GCC" = yes; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      fi
+      ;;
+
+    uts4*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    *)
+      _LT_TAGVAR(ld_shlibs, $1)=no
+      ;;
+    esac
+
+    if test x$host_vendor = xsni; then
+      case $host in
+      sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
+	_LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Blargedynsym'
+	;;
+      esac
+    fi
+  fi
+])
+AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)])
+test "$_LT_TAGVAR(ld_shlibs, $1)" = no && can_build_shared=no
+
+_LT_TAGVAR(with_gnu_ld, $1)=$with_gnu_ld
+
+_LT_DECL([], [libext], [0], [Old archive suffix (normally "a")])dnl
+_LT_DECL([], [shrext_cmds], [1], [Shared library suffix (normally ".so")])dnl
+_LT_DECL([], [extract_expsyms_cmds], [2],
+    [The commands to extract the exported symbol list from a shared archive])
+
+#
+# Do we need to explicitly link libc?
+#
+case "x$_LT_TAGVAR(archive_cmds_need_lc, $1)" in
+x|xyes)
+  # Assume -lc should be added
+  _LT_TAGVAR(archive_cmds_need_lc, $1)=yes
+
+  if test "$enable_shared" = yes && test "$GCC" = yes; then
+    case $_LT_TAGVAR(archive_cmds, $1) in
+    *'~'*)
+      # FIXME: we may have to deal with multi-command sequences.
+      ;;
+    '$CC '*)
+      # Test whether the compiler implicitly links with -lc since on some
+      # systems, -lgcc has to come before -lc. If gcc already passes -lc
+      # to ld, don't add -lc before -lgcc.
+      AC_MSG_CHECKING([whether -lc should be explicitly linked in])
+      $RM conftest*
+      echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+      if AC_TRY_EVAL(ac_compile) 2>conftest.err; then
+        soname=conftest
+        lib=conftest
+        libobjs=conftest.$ac_objext
+        deplibs=
+        wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1)
+	pic_flag=$_LT_TAGVAR(lt_prog_compiler_pic, $1)
+        compiler_flags=-v
+        linker_flags=-v
+        verstring=
+        output_objdir=.
+        libname=conftest
+        lt_save_allow_undefined_flag=$_LT_TAGVAR(allow_undefined_flag, $1)
+        _LT_TAGVAR(allow_undefined_flag, $1)=
+        if AC_TRY_EVAL(_LT_TAGVAR(archive_cmds, $1) 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1)
+        then
+	  _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+        else
+	  _LT_TAGVAR(archive_cmds_need_lc, $1)=yes
+        fi
+        _LT_TAGVAR(allow_undefined_flag, $1)=$lt_save_allow_undefined_flag
+      else
+        cat conftest.err 1>&5
+      fi
+      $RM conftest*
+      AC_MSG_RESULT([$_LT_TAGVAR(archive_cmds_need_lc, $1)])
+      ;;
+    esac
+  fi
+  ;;
+esac
+
+_LT_TAGDECL([build_libtool_need_lc], [archive_cmds_need_lc], [0],
+    [Whether or not to add -lc for building shared libraries])
+_LT_TAGDECL([allow_libtool_libs_with_static_runtimes],
+    [enable_shared_with_static_runtimes], [0],
+    [Whether or not to disallow shared libs when runtime libs are static])
+_LT_TAGDECL([], [export_dynamic_flag_spec], [1],
+    [Compiler flag to allow reflexive dlopens])
+_LT_TAGDECL([], [whole_archive_flag_spec], [1],
+    [Compiler flag to generate shared objects directly from archives])
+_LT_TAGDECL([], [compiler_needs_object], [1],
+    [Whether the compiler copes with passing no objects directly])
+_LT_TAGDECL([], [old_archive_from_new_cmds], [2],
+    [Create an old-style archive from a shared archive])
+_LT_TAGDECL([], [old_archive_from_expsyms_cmds], [2],
+    [Create a temporary old-style archive to link instead of a shared archive])
+_LT_TAGDECL([], [archive_cmds], [2], [Commands used to build a shared archive])
+_LT_TAGDECL([], [archive_expsym_cmds], [2])
+_LT_TAGDECL([], [module_cmds], [2],
+    [Commands used to build a loadable module if different from building
+    a shared archive.])
+_LT_TAGDECL([], [module_expsym_cmds], [2])
+_LT_TAGDECL([], [with_gnu_ld], [1],
+    [Whether we are building with GNU ld or not])
+_LT_TAGDECL([], [allow_undefined_flag], [1],
+    [Flag that allows shared libraries with undefined symbols to be built])
+_LT_TAGDECL([], [no_undefined_flag], [1],
+    [Flag that enforces no undefined symbols])
+_LT_TAGDECL([], [hardcode_libdir_flag_spec], [1],
+    [Flag to hardcode $libdir into a binary during linking.
+    This must work even if $libdir does not exist])
+_LT_TAGDECL([], [hardcode_libdir_flag_spec_ld], [1],
+    [[If ld is used when linking, flag to hardcode $libdir into a binary
+    during linking.  This must work even if $libdir does not exist]])
+_LT_TAGDECL([], [hardcode_libdir_separator], [1],
+    [Whether we need a single "-rpath" flag with a separated argument])
+_LT_TAGDECL([], [hardcode_direct], [0],
+    [Set to "yes" if using DIR/libNAME${shared_ext} during linking hardcodes
+    DIR into the resulting binary])
+_LT_TAGDECL([], [hardcode_direct_absolute], [0],
+    [Set to "yes" if using DIR/libNAME${shared_ext} during linking hardcodes
+    DIR into the resulting binary and the resulting library dependency is
+    "absolute", i.e impossible to change by setting ${shlibpath_var} if the
+    library is relocated])
+_LT_TAGDECL([], [hardcode_minus_L], [0],
+    [Set to "yes" if using the -LDIR flag during linking hardcodes DIR
+    into the resulting binary])
+_LT_TAGDECL([], [hardcode_shlibpath_var], [0],
+    [Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR
+    into the resulting binary])
+_LT_TAGDECL([], [hardcode_automatic], [0],
+    [Set to "yes" if building a shared library automatically hardcodes DIR
+    into the library and all subsequent libraries and executables linked
+    against it])
+_LT_TAGDECL([], [inherit_rpath], [0],
+    [Set to yes if linker adds runtime paths of dependent libraries
+    to runtime path list])
+_LT_TAGDECL([], [link_all_deplibs], [0],
+    [Whether libtool must link a program against all its dependency libraries])
+_LT_TAGDECL([], [fix_srcfile_path], [1],
+    [Fix the shell variable $srcfile for the compiler])
+_LT_TAGDECL([], [always_export_symbols], [0],
+    [Set to "yes" if exported symbols are required])
+_LT_TAGDECL([], [export_symbols_cmds], [2],
+    [The commands to list exported symbols])
+_LT_TAGDECL([], [exclude_expsyms], [1],
+    [Symbols that should not be listed in the preloaded symbols])
+_LT_TAGDECL([], [include_expsyms], [1],
+    [Symbols that must always be exported])
+_LT_TAGDECL([], [prelink_cmds], [2],
+    [Commands necessary for linking programs (against libraries) with templates])
+_LT_TAGDECL([], [file_list_spec], [1],
+    [Specify filename containing input files])
+dnl FIXME: Not yet implemented
+dnl _LT_TAGDECL([], [thread_safe_flag_spec], [1],
+dnl    [Compiler flag to generate thread safe objects])
+])# _LT_LINKER_SHLIBS
+
+
+# _LT_LANG_C_CONFIG([TAG])
+# ------------------------
+# Ensure that the configuration variables for a C compiler are suitably
+# defined.  These variables are subsequently used by _LT_CONFIG to write
+# the compiler configuration to `libtool'.
+m4_defun([_LT_LANG_C_CONFIG],
+[m4_require([_LT_DECL_EGREP])dnl
+lt_save_CC="$CC"
+AC_LANG_PUSH(C)
+
+# Source file extension for C test sources.
+ac_ext=c
+
+# Object file extension for compiled C test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="int some_variable = 0;"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='int main(){return(0);}'
+
+_LT_TAG_COMPILER
+# Save the default compiler, since it gets overwritten when the other
+# tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP.
+compiler_DEFAULT=$CC
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+## CAVEAT EMPTOR:
+## There is no encapsulation within the following macros, do not change
+## the running order or otherwise move them around unless you know exactly
+## what you are doing...
+if test -n "$compiler"; then
+  _LT_COMPILER_NO_RTTI($1)
+  _LT_COMPILER_PIC($1)
+  _LT_COMPILER_C_O($1)
+  _LT_COMPILER_FILE_LOCKS($1)
+  _LT_LINKER_SHLIBS($1)
+  _LT_SYS_DYNAMIC_LINKER($1)
+  _LT_LINKER_HARDCODE_LIBPATH($1)
+  LT_SYS_DLOPEN_SELF
+  _LT_CMD_STRIPLIB
+
+  # Report which library types will actually be built
+  AC_MSG_CHECKING([if libtool supports shared libraries])
+  AC_MSG_RESULT([$can_build_shared])
+
+  AC_MSG_CHECKING([whether to build shared libraries])
+  test "$can_build_shared" = "no" && enable_shared=no
+
+  # On AIX, shared libraries and static libraries use the same namespace, and
+  # are all built from PIC.
+  case $host_os in
+  aix3*)
+    test "$enable_shared" = yes && enable_static=no
+    if test -n "$RANLIB"; then
+      archive_cmds="$archive_cmds~\$RANLIB \$lib"
+      postinstall_cmds='$RANLIB $lib'
+    fi
+    ;;
+
+  aix[[4-9]]*)
+    if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
+      test "$enable_shared" = yes && enable_static=no
+    fi
+    ;;
+  esac
+  AC_MSG_RESULT([$enable_shared])
+
+  AC_MSG_CHECKING([whether to build static libraries])
+  # Make sure either enable_shared or enable_static is yes.
+  test "$enable_shared" = yes || enable_static=yes
+  AC_MSG_RESULT([$enable_static])
+
+  _LT_CONFIG($1)
+fi
+AC_LANG_POP
+CC="$lt_save_CC"
+])# _LT_LANG_C_CONFIG
+
+
+# _LT_PROG_CXX
+# ------------
+# Since AC_PROG_CXX is broken, in that it returns g++ if there is no c++
+# compiler, we have our own version here.
+m4_defun([_LT_PROG_CXX],
+[
+pushdef([AC_MSG_ERROR], [_lt_caught_CXX_error=yes])
+AC_PROG_CXX
+if test -n "$CXX" && ( test "X$CXX" != "Xno" &&
+    ( (test "X$CXX" = "Xg++" && `g++ -v >/dev/null 2>&1` ) ||
+    (test "X$CXX" != "Xg++"))) ; then
+  AC_PROG_CXXCPP
+else
+  _lt_caught_CXX_error=yes
+fi
+popdef([AC_MSG_ERROR])
+])# _LT_PROG_CXX
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([_LT_PROG_CXX], [])
+
+
+# _LT_LANG_CXX_CONFIG([TAG])
+# --------------------------
+# Ensure that the configuration variables for a C++ compiler are suitably
+# defined.  These variables are subsequently used by _LT_CONFIG to write
+# the compiler configuration to `libtool'.
+m4_defun([_LT_LANG_CXX_CONFIG],
+[AC_REQUIRE([_LT_PROG_CXX])dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_EGREP])dnl
+
+AC_LANG_PUSH(C++)
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+_LT_TAGVAR(allow_undefined_flag, $1)=
+_LT_TAGVAR(always_export_symbols, $1)=no
+_LT_TAGVAR(archive_expsym_cmds, $1)=
+_LT_TAGVAR(compiler_needs_object, $1)=no
+_LT_TAGVAR(export_dynamic_flag_spec, $1)=
+_LT_TAGVAR(hardcode_direct, $1)=no
+_LT_TAGVAR(hardcode_direct_absolute, $1)=no
+_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+_LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)=
+_LT_TAGVAR(hardcode_libdir_separator, $1)=
+_LT_TAGVAR(hardcode_minus_L, $1)=no
+_LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+_LT_TAGVAR(hardcode_automatic, $1)=no
+_LT_TAGVAR(inherit_rpath, $1)=no
+_LT_TAGVAR(module_cmds, $1)=
+_LT_TAGVAR(module_expsym_cmds, $1)=
+_LT_TAGVAR(link_all_deplibs, $1)=unknown
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(no_undefined_flag, $1)=
+_LT_TAGVAR(whole_archive_flag_spec, $1)=
+_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+
+# Source file extension for C++ test sources.
+ac_ext=cpp
+
+# Object file extension for compiled C++ test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# No sense in running all these tests if we already determined that
+# the CXX compiler isn't working.  Some variables (like enable_shared)
+# are currently assumed to apply to all compilers on this platform,
+# and will be corrupted by setting them based on a non-working compiler.
+if test "$_lt_caught_CXX_error" != yes; then
+  # Code to be used in simple compile tests
+  lt_simple_compile_test_code="int some_variable = 0;"
+
+  # Code to be used in simple link tests
+  lt_simple_link_test_code='int main(int, char *[[]]) { return(0); }'
+
+  # ltmain only uses $CC for tagged configurations so make sure $CC is set.
+  _LT_TAG_COMPILER
+
+  # save warnings/boilerplate of simple test code
+  _LT_COMPILER_BOILERPLATE
+  _LT_LINKER_BOILERPLATE
+
+  # Allow CC to be a program name with arguments.
+  lt_save_CC=$CC
+  lt_save_LD=$LD
+  lt_save_GCC=$GCC
+  GCC=$GXX
+  lt_save_with_gnu_ld=$with_gnu_ld
+  lt_save_path_LD=$lt_cv_path_LD
+  if test -n "${lt_cv_prog_gnu_ldcxx+set}"; then
+    lt_cv_prog_gnu_ld=$lt_cv_prog_gnu_ldcxx
+  else
+    $as_unset lt_cv_prog_gnu_ld
+  fi
+  if test -n "${lt_cv_path_LDCXX+set}"; then
+    lt_cv_path_LD=$lt_cv_path_LDCXX
+  else
+    $as_unset lt_cv_path_LD
+  fi
+  test -z "${LDCXX+set}" || LD=$LDCXX
+  CC=${CXX-"c++"}
+  compiler=$CC
+  _LT_TAGVAR(compiler, $1)=$CC
+  _LT_CC_BASENAME([$compiler])
+
+  if test -n "$compiler"; then
+    # We don't want -fno-exception when compiling C++ code, so set the
+    # no_builtin_flag separately
+    if test "$GXX" = yes; then
+      _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin'
+    else
+      _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=
+    fi
+
+    if test "$GXX" = yes; then
+      # Set up default GNU C++ configuration
+
+      LT_PATH_LD
+
+      # Check if GNU C++ uses GNU ld as the underlying linker, since the
+      # archiving commands below assume that GNU ld is being used.
+      if test "$with_gnu_ld" = yes; then
+        _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
+        _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+
+        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+        _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
+
+        # If archive_cmds runs LD, not CC, wlarc should be empty
+        # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to
+        #     investigate it a little bit more. (MM)
+        wlarc='${wl}'
+
+        # ancient GNU ld didn't support --whole-archive et. al.
+        if eval "`$CC -print-prog-name=ld` --help 2>&1" |
+	  $GREP 'no-whole-archive' > /dev/null; then
+          _LT_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
+        else
+          _LT_TAGVAR(whole_archive_flag_spec, $1)=
+        fi
+      else
+        with_gnu_ld=no
+        wlarc=
+
+        # A generic and very simple default shared library creation
+        # command for GNU C++ for the case where it uses the native
+        # linker, instead of GNU ld.  If possible, this setting should
+        # overridden to take advantage of the native linker features on
+        # the platform it is being used on.
+        _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
+      fi
+
+      # Commands to make compiler produce verbose output that lists
+      # what "hidden" libraries, object files and flags are used when
+      # linking a shared library.
+      output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "\-L"'
+
+    else
+      GXX=no
+      with_gnu_ld=no
+      wlarc=
+    fi
+
+    # PORTME: fill in a description of your system's C++ link characteristics
+    AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries])
+    _LT_TAGVAR(ld_shlibs, $1)=yes
+    case $host_os in
+      aix3*)
+        # FIXME: insert proper C++ library support
+        _LT_TAGVAR(ld_shlibs, $1)=no
+        ;;
+      aix[[4-9]]*)
+        if test "$host_cpu" = ia64; then
+          # On IA64, the linker does run time linking by default, so we don't
+          # have to do anything special.
+          aix_use_runtimelinking=no
+          exp_sym_flag='-Bexport'
+          no_entry_flag=""
+        else
+          aix_use_runtimelinking=no
+
+          # Test if we are trying to use run time linking or normal
+          # AIX style linking. If -brtl is somewhere in LDFLAGS, we
+          # need to do runtime linking.
+          case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*)
+	    for ld_flag in $LDFLAGS; do
+	      case $ld_flag in
+	      *-brtl*)
+	        aix_use_runtimelinking=yes
+	        break
+	        ;;
+	      esac
+	    done
+	    ;;
+          esac
+
+          exp_sym_flag='-bexport'
+          no_entry_flag='-bnoentry'
+        fi
+
+        # When large executables or shared objects are built, AIX ld can
+        # have problems creating the table of contents.  If linking a library
+        # or program results in "error TOC overflow" add -mminimal-toc to
+        # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
+        # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
+
+        _LT_TAGVAR(archive_cmds, $1)=''
+        _LT_TAGVAR(hardcode_direct, $1)=yes
+        _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+        _LT_TAGVAR(hardcode_libdir_separator, $1)=':'
+        _LT_TAGVAR(link_all_deplibs, $1)=yes
+        _LT_TAGVAR(file_list_spec, $1)='${wl}-f,'
+
+        if test "$GXX" = yes; then
+          case $host_os in aix4.[[012]]|aix4.[[012]].*)
+          # We only want to do this on AIX 4.2 and lower, the check
+          # below for broken collect2 doesn't work under 4.3+
+	  collect2name=`${CC} -print-prog-name=collect2`
+	  if test -f "$collect2name" &&
+	     strings "$collect2name" | $GREP resolve_lib_name >/dev/null
+	  then
+	    # We have reworked collect2
+	    :
+	  else
+	    # We have old collect2
+	    _LT_TAGVAR(hardcode_direct, $1)=unsupported
+	    # It fails to find uninstalled libraries when the uninstalled
+	    # path is not listed in the libpath.  Setting hardcode_minus_L
+	    # to unsupported forces relinking
+	    _LT_TAGVAR(hardcode_minus_L, $1)=yes
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+	    _LT_TAGVAR(hardcode_libdir_separator, $1)=
+	  fi
+          esac
+          shared_flag='-shared'
+	  if test "$aix_use_runtimelinking" = yes; then
+	    shared_flag="$shared_flag "'${wl}-G'
+	  fi
+        else
+          # not using gcc
+          if test "$host_cpu" = ia64; then
+	  # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
+	  # chokes on -Wl,-G. The following line is correct:
+	  shared_flag='-G'
+          else
+	    if test "$aix_use_runtimelinking" = yes; then
+	      shared_flag='${wl}-G'
+	    else
+	      shared_flag='${wl}-bM:SRE'
+	    fi
+          fi
+        fi
+
+        # It seems that -bexpall does not export symbols beginning with
+        # underscore (_), so it is better to generate a list of symbols to
+	# export.
+        _LT_TAGVAR(always_export_symbols, $1)=yes
+        if test "$aix_use_runtimelinking" = yes; then
+          # Warning - without using the other runtime loading flags (-brtl),
+          # -berok will link without error, but may produce a broken library.
+          _LT_TAGVAR(allow_undefined_flag, $1)='-berok'
+          # Determine the default libpath from the value encoded in an empty
+          # executable.
+          _LT_SYS_MODULE_PATH_AIX
+          _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
+
+          _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then $ECHO "X${wl}${allow_undefined_flag}" | $Xsed; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag"
+        else
+          if test "$host_cpu" = ia64; then
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $libdir:/usr/lib:/lib'
+	    _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs"
+	    _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols"
+          else
+	    # Determine the default libpath from the value encoded in an
+	    # empty executable.
+	    _LT_SYS_MODULE_PATH_AIX
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
+	    # Warning - without using the other run time loading flags,
+	    # -berok will link without error, but may produce a broken library.
+	    _LT_TAGVAR(no_undefined_flag, $1)=' ${wl}-bernotok'
+	    _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-berok'
+	    # Exported symbols can be pulled into shared objects from archives
+	    _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience'
+	    _LT_TAGVAR(archive_cmds_need_lc, $1)=yes
+	    # This is similar to how AIX traditionally builds its shared
+	    # libraries.
+	    _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
+          fi
+        fi
+        ;;
+
+      beos*)
+	if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	  _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	  # Joseph Beckenbach <jrb3 at best.com> says some releases of gcc
+	  # support --undefined.  This deserves some investigation.  FIXME
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	else
+	  _LT_TAGVAR(ld_shlibs, $1)=no
+	fi
+	;;
+
+      chorus*)
+        case $cc_basename in
+          *)
+	  # FIXME: insert proper C++ library support
+	  _LT_TAGVAR(ld_shlibs, $1)=no
+	  ;;
+        esac
+        ;;
+
+      cygwin* | mingw* | pw32*)
+        # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless,
+        # as there is no search path for DLLs.
+        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+        _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+        _LT_TAGVAR(always_export_symbols, $1)=no
+        _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+
+        if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then
+          _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+          # If the export-symbols file already is a .def file (1st line
+          # is EXPORTS), use it as is; otherwise, prepend...
+          _LT_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
+	    cp $export_symbols $output_objdir/$soname.def;
+          else
+	    echo EXPORTS > $output_objdir/$soname.def;
+	    cat $export_symbols >> $output_objdir/$soname.def;
+          fi~
+          $CC -shared -nostdlib $output_objdir/$soname.def $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+        else
+          _LT_TAGVAR(ld_shlibs, $1)=no
+        fi
+        ;;
+      darwin* | rhapsody*)
+        _LT_DARWIN_LINKER_FEATURES($1)
+	;;
+
+      dgux*)
+        case $cc_basename in
+          ec++*)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          ghcx*)
+	    # Green Hills C++ Compiler
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          *)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+        esac
+        ;;
+
+      freebsd[[12]]*)
+        # C++ shared libraries reported to be fairly broken before
+	# switch to ELF
+        _LT_TAGVAR(ld_shlibs, $1)=no
+        ;;
+
+      freebsd-elf*)
+        _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+        ;;
+
+      freebsd* | dragonfly*)
+        # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF
+        # conventions
+        _LT_TAGVAR(ld_shlibs, $1)=yes
+        ;;
+
+      gnu*)
+        ;;
+
+      hpux9*)
+        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
+        _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+        _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+        _LT_TAGVAR(hardcode_direct, $1)=yes
+        _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH,
+				             # but as the default
+				             # location of the library.
+
+        case $cc_basename in
+          CC*)
+            # FIXME: insert proper C++ library support
+            _LT_TAGVAR(ld_shlibs, $1)=no
+            ;;
+          aCC*)
+            _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -b ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+            # Commands to make compiler produce verbose output that lists
+            # what "hidden" libraries, object files and flags are used when
+            # linking a shared library.
+            #
+            # There doesn't appear to be a way to prevent this compiler from
+            # explicitly linking system object files so we need to strip them
+            # from the output so that they don't get included in the library
+            # dependencies.
+            output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $EGREP "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; $ECHO "X$list" | $Xsed'
+            ;;
+          *)
+            if test "$GXX" = yes; then
+              _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared -nostdlib -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+            else
+              # FIXME: insert proper C++ library support
+              _LT_TAGVAR(ld_shlibs, $1)=no
+            fi
+            ;;
+        esac
+        ;;
+
+      hpux10*|hpux11*)
+        if test $with_gnu_ld = no; then
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
+	  _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+          case $host_cpu in
+            hppa*64*|ia64*)
+              ;;
+            *)
+	      _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+              ;;
+          esac
+        fi
+        case $host_cpu in
+          hppa*64*|ia64*)
+            _LT_TAGVAR(hardcode_direct, $1)=no
+            _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+            ;;
+          *)
+            _LT_TAGVAR(hardcode_direct, $1)=yes
+            _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+            _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH,
+					         # but as the default
+					         # location of the library.
+            ;;
+        esac
+
+        case $cc_basename in
+          CC*)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          aCC*)
+	    case $host_cpu in
+	      hppa*64*)
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	        ;;
+	      ia64*)
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	        ;;
+	      *)
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	        ;;
+	    esac
+	    # Commands to make compiler produce verbose output that lists
+	    # what "hidden" libraries, object files and flags are used when
+	    # linking a shared library.
+	    #
+	    # There doesn't appear to be a way to prevent this compiler from
+	    # explicitly linking system object files so we need to strip them
+	    # from the output so that they don't get included in the library
+	    # dependencies.
+	    output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $GREP "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; $ECHO "X$list" | $Xsed'
+	    ;;
+          *)
+	    if test "$GXX" = yes; then
+	      if test $with_gnu_ld = no; then
+	        case $host_cpu in
+	          hppa*64*)
+	            _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	            ;;
+	          ia64*)
+	            _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	            ;;
+	          *)
+	            _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	            ;;
+	        esac
+	      fi
+	    else
+	      # FIXME: insert proper C++ library support
+	      _LT_TAGVAR(ld_shlibs, $1)=no
+	    fi
+	    ;;
+        esac
+        ;;
+
+      interix[[3-9]]*)
+	_LT_TAGVAR(hardcode_direct, $1)=no
+	_LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+	_LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+	# Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+	# Instead, shared libraries are loaded at an image base (0x10000000 by
+	# default) and relocated if they conflict, which is a slow very memory
+	# consuming and fragmenting process.  To avoid this, we pick a random,
+	# 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+	# time.  Moving up from 0x10000000 also allows more sbrk(2) space.
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+	;;
+      irix5* | irix6*)
+        case $cc_basename in
+          CC*)
+	    # SGI C++
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib'
+
+	    # Archives containing C++ object files must be created using
+	    # "CC -ar", where "CC" is the IRIX C++ compiler.  This is
+	    # necessary to make sure instantiated templates are included
+	    # in the archive.
+	    _LT_TAGVAR(old_archive_cmds, $1)='$CC -ar -WR,-u -o $oldlib $oldobjs'
+	    ;;
+          *)
+	    if test "$GXX" = yes; then
+	      if test "$with_gnu_ld" = no; then
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+	      else
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` -o $lib'
+	      fi
+	    fi
+	    _LT_TAGVAR(link_all_deplibs, $1)=yes
+	    ;;
+        esac
+        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+        _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+        _LT_TAGVAR(inherit_rpath, $1)=yes
+        ;;
+
+      linux* | k*bsd*-gnu)
+        case $cc_basename in
+          KCC*)
+	    # Kuck and Associates, Inc. (KAI) C++ Compiler
+
+	    # KCC will only create a shared library if the output file
+	    # ends with ".so" (or ".sl" for HP-UX), so rename the library
+	    # to its proper name (with version) after linking.
+	    _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib ${wl}-retain-symbols-file,$export_symbols; mv \$templib $lib'
+	    # Commands to make compiler produce verbose output that lists
+	    # what "hidden" libraries, object files and flags are used when
+	    # linking a shared library.
+	    #
+	    # There doesn't appear to be a way to prevent this compiler from
+	    # explicitly linking system object files so we need to strip them
+	    # from the output so that they don't get included in the library
+	    # dependencies.
+	    output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | $GREP "ld"`; rm -f libconftest$shared_ext; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; $ECHO "X$list" | $Xsed'
+
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
+
+	    # Archives containing C++ object files must be created using
+	    # "CC -Bstatic", where "CC" is the KAI C++ compiler.
+	    _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs'
+	    ;;
+	  icpc* | ecpc* )
+	    # Intel C++
+	    with_gnu_ld=yes
+	    # version 8.0 and above of icpc choke on multiply defined symbols
+	    # if we add $predep_objects and $postdep_objects, however 7.1 and
+	    # earlier do not add the objects themselves.
+	    case `$CC -V 2>&1` in
+	      *"Version 7."*)
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
+		_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+		;;
+	      *)  # Version 8.0 or newer
+	        tmp_idyn=
+	        case $host_cpu in
+		  ia64*) tmp_idyn=' -i_dynamic';;
+		esac
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+		_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+		;;
+	    esac
+	    _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
+	    _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive$convenience ${wl}--no-whole-archive'
+	    ;;
+          pgCC* | pgcpp*)
+            # Portland Group C++ compiler
+	    case `$CC -V` in
+	    *pgCC\ [[1-5]]* | *pgcpp\ [[1-5]]*)
+	      _LT_TAGVAR(prelink_cmds, $1)='tpldir=Template.dir~
+		rm -rf $tpldir~
+		$CC --prelink_objects --instantiation_dir $tpldir $objs $libobjs $compile_deplibs~
+		compile_command="$compile_command `find $tpldir -name \*.o | $NL2SP`"'
+	      _LT_TAGVAR(old_archive_cmds, $1)='tpldir=Template.dir~
+		rm -rf $tpldir~
+		$CC --prelink_objects --instantiation_dir $tpldir $oldobjs$old_deplibs~
+		$AR $AR_FLAGS $oldlib$oldobjs$old_deplibs `find $tpldir -name \*.o | $NL2SP`~
+		$RANLIB $oldlib'
+	      _LT_TAGVAR(archive_cmds, $1)='tpldir=Template.dir~
+		rm -rf $tpldir~
+		$CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~
+		$CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib'
+	      _LT_TAGVAR(archive_expsym_cmds, $1)='tpldir=Template.dir~
+		rm -rf $tpldir~
+		$CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~
+		$CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib'
+	      ;;
+	    *) # Version 6 will use weak symbols
+	      _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib'
+	      _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib'
+	      ;;
+	    esac
+
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath ${wl}$libdir'
+	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
+	    _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $ECHO \"$new_convenience\"` ${wl}--no-whole-archive'
+            ;;
+	  cxx*)
+	    # Compaq C++
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname  -o $lib ${wl}-retain-symbols-file $wl$export_symbols'
+
+	    runpath_var=LD_RUN_PATH
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
+	    _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	    # Commands to make compiler produce verbose output that lists
+	    # what "hidden" libraries, object files and flags are used when
+	    # linking a shared library.
+	    #
+	    # There doesn't appear to be a way to prevent this compiler from
+	    # explicitly linking system object files so we need to strip them
+	    # from the output so that they don't get included in the library
+	    # dependencies.
+	    output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld"`; templist=`$ECHO "X$templist" | $Xsed -e "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; $ECHO "X$list" | $Xsed'
+	    ;;
+	  xl*)
+	    # IBM XL 8.0 on PPC, with GNU ld
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	    if test "x$supports_anon_versioning" = xyes; then
+	      _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~
+		cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+		echo "local: *; };" >> $output_objdir/$libname.ver~
+		$CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib'
+	    fi
+	    ;;
+	  *)
+	    case `$CC -V 2>&1 | sed 5q` in
+	    *Sun\ C*)
+	      # Sun C++ 5.9
+	      _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs'
+	      _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	      _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file ${wl}$export_symbols'
+	      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+	      _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; $ECHO \"$new_convenience\"` ${wl}--no-whole-archive'
+	      _LT_TAGVAR(compiler_needs_object, $1)=yes
+
+	      # Not sure whether something based on
+	      # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1
+	      # would be better.
+	      output_verbose_link_cmd='echo'
+
+	      # Archives containing C++ object files must be created using
+	      # "CC -xar", where "CC" is the Sun C++ compiler.  This is
+	      # necessary to make sure instantiated templates are included
+	      # in the archive.
+	      _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs'
+	      ;;
+	    esac
+	    ;;
+	esac
+	;;
+
+      lynxos*)
+        # FIXME: insert proper C++ library support
+	_LT_TAGVAR(ld_shlibs, $1)=no
+	;;
+
+      m88k*)
+        # FIXME: insert proper C++ library support
+        _LT_TAGVAR(ld_shlibs, $1)=no
+	;;
+
+      mvs*)
+        case $cc_basename in
+          cxx*)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+	  *)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+	esac
+	;;
+
+      netbsd*)
+        if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable  -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags'
+	  wlarc=
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+	  _LT_TAGVAR(hardcode_direct, $1)=yes
+	  _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	fi
+	# Workaround some broken pre-1.5 toolchains
+	output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP conftest.$objext | $SED -e "s:-lgcc -lc -lgcc::"'
+	;;
+
+      *nto* | *qnx*)
+        _LT_TAGVAR(ld_shlibs, $1)=yes
+	;;
+
+      openbsd2*)
+        # C++ shared libraries are fairly broken
+	_LT_TAGVAR(ld_shlibs, $1)=no
+	;;
+
+      openbsd*)
+	if test -f /usr/libexec/ld.so; then
+	  _LT_TAGVAR(hardcode_direct, $1)=yes
+	  _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	  _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+	  if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file,$export_symbols -o $lib'
+	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+	    _LT_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
+	  fi
+	  output_verbose_link_cmd=echo
+	else
+	  _LT_TAGVAR(ld_shlibs, $1)=no
+	fi
+	;;
+
+      osf3* | osf4* | osf5*)
+        case $cc_basename in
+          KCC*)
+	    # Kuck and Associates, Inc. (KAI) C++ Compiler
+
+	    # KCC will only create a shared library if the output file
+	    # ends with ".so" (or ".sl" for HP-UX), so rename the library
+	    # to its proper name (with version) after linking.
+	    _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo "$lib" | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
+
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+	    _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	    # Archives containing C++ object files must be created using
+	    # the KAI C++ compiler.
+	    case $host in
+	      osf3*) _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' ;;
+	      *) _LT_TAGVAR(old_archive_cmds, $1)='$CC -o $oldlib $oldobjs' ;;
+	    esac
+	    ;;
+          RCC*)
+	    # Rational C++ 2.4.1
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          cxx*)
+	    case $host in
+	      osf3*)
+	        _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $soname `test -n "$verstring" && $ECHO "X${wl}-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib'
+	        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+		;;
+	      *)
+	        _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib'
+	        _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~
+	          echo "-hidden">> $lib.exp~
+	          $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname ${wl}-input ${wl}$lib.exp  `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib~
+	          $RM $lib.exp'
+	        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
+		;;
+	    esac
+
+	    _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	    # Commands to make compiler produce verbose output that lists
+	    # what "hidden" libraries, object files and flags are used when
+	    # linking a shared library.
+	    #
+	    # There doesn't appear to be a way to prevent this compiler from
+	    # explicitly linking system object files so we need to strip them
+	    # from the output so that they don't get included in the library
+	    # dependencies.
+	    output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld" | $GREP -v "ld:"`; templist=`$ECHO "X$templist" | $Xsed -e "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; $ECHO "X$list" | $Xsed'
+	    ;;
+	  *)
+	    if test "$GXX" = yes && test "$with_gnu_ld" = no; then
+	      _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
+	      case $host in
+	        osf3*)
+	          _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+		  ;;
+	        *)
+	          _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+		  ;;
+	      esac
+
+	      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+	      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	      # Commands to make compiler produce verbose output that lists
+	      # what "hidden" libraries, object files and flags are used when
+	      # linking a shared library.
+	      output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "\-L"'
+
+	    else
+	      # FIXME: insert proper C++ library support
+	      _LT_TAGVAR(ld_shlibs, $1)=no
+	    fi
+	    ;;
+        esac
+        ;;
+
+      psos*)
+        # FIXME: insert proper C++ library support
+        _LT_TAGVAR(ld_shlibs, $1)=no
+        ;;
+
+      sunos4*)
+        case $cc_basename in
+          CC*)
+	    # Sun C++ 4.x
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          lcc*)
+	    # Lucid
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          *)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+        esac
+        ;;
+
+      solaris*)
+        case $cc_basename in
+          CC*)
+	    # Sun C++ 4.2, 5.x and Centerline C++
+            _LT_TAGVAR(archive_cmds_need_lc,$1)=yes
+	    _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs'
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag}  -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+	      $CC -G${allow_undefined_flag} ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
+
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+	    _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	    case $host_os in
+	      solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
+	      *)
+		# The compiler driver will combine and reorder linker options,
+		# but understands `-z linker_flag'.
+	        # Supported since Solaris 2.6 (maybe 2.5.1?)
+		_LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract'
+	        ;;
+	    esac
+	    _LT_TAGVAR(link_all_deplibs, $1)=yes
+
+	    output_verbose_link_cmd='echo'
+
+	    # Archives containing C++ object files must be created using
+	    # "CC -xar", where "CC" is the Sun C++ compiler.  This is
+	    # necessary to make sure instantiated templates are included
+	    # in the archive.
+	    _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs'
+	    ;;
+          gcx*)
+	    # Green Hills C++ Compiler
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
+
+	    # The C++ compiler must be used to create the archive.
+	    _LT_TAGVAR(old_archive_cmds, $1)='$CC $LDFLAGS -archive -o $oldlib $oldobjs'
+	    ;;
+          *)
+	    # GNU C++ compiler with Solaris linker
+	    if test "$GXX" = yes && test "$with_gnu_ld" = no; then
+	      _LT_TAGVAR(no_undefined_flag, $1)=' ${wl}-z ${wl}defs'
+	      if $CC --version | $GREP -v '^2\.7' > /dev/null; then
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
+	        _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+		  $CC -shared -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
+
+	        # Commands to make compiler produce verbose output that lists
+	        # what "hidden" libraries, object files and flags are used when
+	        # linking a shared library.
+	        output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "\-L"'
+	      else
+	        # g++ 2.7 appears to require `-G' NOT `-shared' on this
+	        # platform.
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
+	        _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+		  $CC -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
+
+	        # Commands to make compiler produce verbose output that lists
+	        # what "hidden" libraries, object files and flags are used when
+	        # linking a shared library.
+	        output_verbose_link_cmd='$CC -G $CFLAGS -v conftest.$objext 2>&1 | $GREP "\-L"'
+	      fi
+
+	      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $wl$libdir'
+	      case $host_os in
+		solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
+		*)
+		  _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
+		  ;;
+	      esac
+	    fi
+	    ;;
+        esac
+        ;;
+
+    sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*)
+      _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text'
+      _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      runpath_var='LD_RUN_PATH'
+
+      case $cc_basename in
+        CC*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+      esac
+      ;;
+
+      sysv5* | sco3.2v5* | sco5v6*)
+	# Note: We can NOT use -z defs as we might desire, because we do not
+	# link with -lc, and that would cause any symbols used from libc to
+	# always be unresolved, which means just about no library would
+	# ever link correctly.  If we're not using GNU ld we use -z text
+	# though, which does catch some bad symbols but isn't as heavy-handed
+	# as -z defs.
+	_LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text'
+	_LT_TAGVAR(allow_undefined_flag, $1)='${wl}-z,nodefs'
+	_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+	_LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R,$libdir'
+	_LT_TAGVAR(hardcode_libdir_separator, $1)=':'
+	_LT_TAGVAR(link_all_deplibs, $1)=yes
+	_LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Bexport'
+	runpath_var='LD_RUN_PATH'
+
+	case $cc_basename in
+          CC*)
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	    ;;
+	  *)
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	    ;;
+	esac
+      ;;
+
+      tandem*)
+        case $cc_basename in
+          NCC*)
+	    # NonStop-UX NCC 3.20
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          *)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+        esac
+        ;;
+
+      vxworks*)
+        # FIXME: insert proper C++ library support
+        _LT_TAGVAR(ld_shlibs, $1)=no
+        ;;
+
+      *)
+        # FIXME: insert proper C++ library support
+        _LT_TAGVAR(ld_shlibs, $1)=no
+        ;;
+    esac
+
+    AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)])
+    test "$_LT_TAGVAR(ld_shlibs, $1)" = no && can_build_shared=no
+
+    _LT_TAGVAR(GCC, $1)="$GXX"
+    _LT_TAGVAR(LD, $1)="$LD"
+
+    ## CAVEAT EMPTOR:
+    ## There is no encapsulation within the following macros, do not change
+    ## the running order or otherwise move them around unless you know exactly
+    ## what you are doing...
+    _LT_SYS_HIDDEN_LIBDEPS($1)
+    _LT_COMPILER_PIC($1)
+    _LT_COMPILER_C_O($1)
+    _LT_COMPILER_FILE_LOCKS($1)
+    _LT_LINKER_SHLIBS($1)
+    _LT_SYS_DYNAMIC_LINKER($1)
+    _LT_LINKER_HARDCODE_LIBPATH($1)
+
+    _LT_CONFIG($1)
+  fi # test -n "$compiler"
+
+  CC=$lt_save_CC
+  LDCXX=$LD
+  LD=$lt_save_LD
+  GCC=$lt_save_GCC
+  with_gnu_ld=$lt_save_with_gnu_ld
+  lt_cv_path_LDCXX=$lt_cv_path_LD
+  lt_cv_path_LD=$lt_save_path_LD
+  lt_cv_prog_gnu_ldcxx=$lt_cv_prog_gnu_ld
+  lt_cv_prog_gnu_ld=$lt_save_with_gnu_ld
+fi # test "$_lt_caught_CXX_error" != yes
+
+AC_LANG_POP
+])# _LT_LANG_CXX_CONFIG
+
+
+# _LT_SYS_HIDDEN_LIBDEPS([TAGNAME])
+# ---------------------------------
+# Figure out "hidden" library dependencies from verbose
+# compiler output when linking a shared library.
+# Parse the compiler output and extract the necessary
+# objects, libraries and library flags.
+m4_defun([_LT_SYS_HIDDEN_LIBDEPS],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+# Dependencies to place before and after the object being linked:
+_LT_TAGVAR(predep_objects, $1)=
+_LT_TAGVAR(postdep_objects, $1)=
+_LT_TAGVAR(predeps, $1)=
+_LT_TAGVAR(postdeps, $1)=
+_LT_TAGVAR(compiler_lib_search_path, $1)=
+
+dnl we can't use the lt_simple_compile_test_code here,
+dnl because it contains code intended for an executable,
+dnl not a library.  It's possible we should let each
+dnl tag define a new lt_????_link_test_code variable,
+dnl but it's only used here...
+m4_if([$1], [], [cat > conftest.$ac_ext <<_LT_EOF
+int a;
+void foo (void) { a = 0; }
+_LT_EOF
+], [$1], [CXX], [cat > conftest.$ac_ext <<_LT_EOF
+class Foo
+{
+public:
+  Foo (void) { a = 0; }
+private:
+  int a;
+};
+_LT_EOF
+], [$1], [F77], [cat > conftest.$ac_ext <<_LT_EOF
+      subroutine foo
+      implicit none
+      integer*4 a
+      a=0
+      return
+      end
+_LT_EOF
+], [$1], [FC], [cat > conftest.$ac_ext <<_LT_EOF
+      subroutine foo
+      implicit none
+      integer a
+      a=0
+      return
+      end
+_LT_EOF
+], [$1], [GCJ], [cat > conftest.$ac_ext <<_LT_EOF
+public class foo {
+  private int a;
+  public void bar (void) {
+    a = 0;
+  }
+};
+_LT_EOF
+])
+dnl Parse the compiler output and extract the necessary
+dnl objects, libraries and library flags.
+if AC_TRY_EVAL(ac_compile); then
+  # Parse the compiler output and extract the necessary
+  # objects, libraries and library flags.
+
+  # Sentinel used to keep track of whether or not we are before
+  # the conftest object file.
+  pre_test_object_deps_done=no
+
+  for p in `eval "$output_verbose_link_cmd"`; do
+    case $p in
+
+    -L* | -R* | -l*)
+       # Some compilers place space between "-{L,R}" and the path.
+       # Remove the space.
+       if test $p = "-L" ||
+          test $p = "-R"; then
+	 prev=$p
+	 continue
+       else
+	 prev=
+       fi
+
+       if test "$pre_test_object_deps_done" = no; then
+	 case $p in
+	 -L* | -R*)
+	   # Internal compiler library paths should come after those
+	   # provided the user.  The postdeps already come after the
+	   # user supplied libs so there is no need to process them.
+	   if test -z "$_LT_TAGVAR(compiler_lib_search_path, $1)"; then
+	     _LT_TAGVAR(compiler_lib_search_path, $1)="${prev}${p}"
+	   else
+	     _LT_TAGVAR(compiler_lib_search_path, $1)="${_LT_TAGVAR(compiler_lib_search_path, $1)} ${prev}${p}"
+	   fi
+	   ;;
+	 # The "-l" case would never come before the object being
+	 # linked, so don't bother handling this case.
+	 esac
+       else
+	 if test -z "$_LT_TAGVAR(postdeps, $1)"; then
+	   _LT_TAGVAR(postdeps, $1)="${prev}${p}"
+	 else
+	   _LT_TAGVAR(postdeps, $1)="${_LT_TAGVAR(postdeps, $1)} ${prev}${p}"
+	 fi
+       fi
+       ;;
+
+    *.$objext)
+       # This assumes that the test object file only shows up
+       # once in the compiler output.
+       if test "$p" = "conftest.$objext"; then
+	 pre_test_object_deps_done=yes
+	 continue
+       fi
+
+       if test "$pre_test_object_deps_done" = no; then
+	 if test -z "$_LT_TAGVAR(predep_objects, $1)"; then
+	   _LT_TAGVAR(predep_objects, $1)="$p"
+	 else
+	   _LT_TAGVAR(predep_objects, $1)="$_LT_TAGVAR(predep_objects, $1) $p"
+	 fi
+       else
+	 if test -z "$_LT_TAGVAR(postdep_objects, $1)"; then
+	   _LT_TAGVAR(postdep_objects, $1)="$p"
+	 else
+	   _LT_TAGVAR(postdep_objects, $1)="$_LT_TAGVAR(postdep_objects, $1) $p"
+	 fi
+       fi
+       ;;
+
+    *) ;; # Ignore the rest.
+
+    esac
+  done
+
+  # Clean up.
+  rm -f a.out a.exe
+else
+  echo "libtool.m4: error: problem compiling $1 test program"
+fi
+
+$RM -f confest.$objext
+
+# PORTME: override above test on systems where it is broken
+m4_if([$1], [CXX],
+[case $host_os in
+interix[[3-9]]*)
+  # Interix 3.5 installs completely hosed .la files for C++, so rather than
+  # hack all around it, let's just trust "g++" to DTRT.
+  _LT_TAGVAR(predep_objects,$1)=
+  _LT_TAGVAR(postdep_objects,$1)=
+  _LT_TAGVAR(postdeps,$1)=
+  ;;
+
+linux*)
+  case `$CC -V 2>&1 | sed 5q` in
+  *Sun\ C*)
+    # Sun C++ 5.9
+
+    # The more standards-conforming stlport4 library is
+    # incompatible with the Cstd library. Avoid specifying
+    # it if it's in CXXFLAGS. Ignore libCrun as
+    # -library=stlport4 depends on it.
+    case " $CXX $CXXFLAGS " in
+    *" -library=stlport4 "*)
+      solaris_use_stlport4=yes
+      ;;
+    esac
+
+    if test "$solaris_use_stlport4" != yes; then
+      _LT_TAGVAR(postdeps,$1)='-library=Cstd -library=Crun'
+    fi
+    ;;
+  esac
+  ;;
+
+solaris*)
+  case $cc_basename in
+  CC*)
+    # The more standards-conforming stlport4 library is
+    # incompatible with the Cstd library. Avoid specifying
+    # it if it's in CXXFLAGS. Ignore libCrun as
+    # -library=stlport4 depends on it.
+    case " $CXX $CXXFLAGS " in
+    *" -library=stlport4 "*)
+      solaris_use_stlport4=yes
+      ;;
+    esac
+
+    # Adding this requires a known-good setup of shared libraries for
+    # Sun compiler versions before 5.6, else PIC objects from an old
+    # archive will be linked into the output, leading to subtle bugs.
+    if test "$solaris_use_stlport4" != yes; then
+      _LT_TAGVAR(postdeps,$1)='-library=Cstd -library=Crun'
+    fi
+    ;;
+  esac
+  ;;
+esac
+])
+
+case " $_LT_TAGVAR(postdeps, $1) " in
+*" -lc "*) _LT_TAGVAR(archive_cmds_need_lc, $1)=no ;;
+esac
+ _LT_TAGVAR(compiler_lib_search_dirs, $1)=
+if test -n "${_LT_TAGVAR(compiler_lib_search_path, $1)}"; then
+ _LT_TAGVAR(compiler_lib_search_dirs, $1)=`echo " ${_LT_TAGVAR(compiler_lib_search_path, $1)}" | ${SED} -e 's! -L! !g' -e 's!^ !!'`
+fi
+_LT_TAGDECL([], [compiler_lib_search_dirs], [1],
+    [The directories searched by this compiler when creating a shared library])
+_LT_TAGDECL([], [predep_objects], [1],
+    [Dependencies to place before and after the objects being linked to
+    create a shared library])
+_LT_TAGDECL([], [postdep_objects], [1])
+_LT_TAGDECL([], [predeps], [1])
+_LT_TAGDECL([], [postdeps], [1])
+_LT_TAGDECL([], [compiler_lib_search_path], [1],
+    [The library search path used internally by the compiler when linking
+    a shared library])
+])# _LT_SYS_HIDDEN_LIBDEPS
+
+
+# _LT_PROG_F77
+# ------------
+# Since AC_PROG_F77 is broken, in that it returns the empty string
+# if there is no fortran compiler, we have our own version here.
+m4_defun([_LT_PROG_F77],
+[
+pushdef([AC_MSG_ERROR], [_lt_disable_F77=yes])
+AC_PROG_F77
+if test -z "$F77" || test "X$F77" = "Xno"; then
+  _lt_disable_F77=yes
+fi
+popdef([AC_MSG_ERROR])
+])# _LT_PROG_F77
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([_LT_PROG_F77], [])
+
+
+# _LT_LANG_F77_CONFIG([TAG])
+# --------------------------
+# Ensure that the configuration variables for a Fortran 77 compiler are
+# suitably defined.  These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to `libtool'.
+m4_defun([_LT_LANG_F77_CONFIG],
+[AC_REQUIRE([_LT_PROG_F77])dnl
+AC_LANG_PUSH(Fortran 77)
+
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+_LT_TAGVAR(allow_undefined_flag, $1)=
+_LT_TAGVAR(always_export_symbols, $1)=no
+_LT_TAGVAR(archive_expsym_cmds, $1)=
+_LT_TAGVAR(export_dynamic_flag_spec, $1)=
+_LT_TAGVAR(hardcode_direct, $1)=no
+_LT_TAGVAR(hardcode_direct_absolute, $1)=no
+_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+_LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)=
+_LT_TAGVAR(hardcode_libdir_separator, $1)=
+_LT_TAGVAR(hardcode_minus_L, $1)=no
+_LT_TAGVAR(hardcode_automatic, $1)=no
+_LT_TAGVAR(inherit_rpath, $1)=no
+_LT_TAGVAR(module_cmds, $1)=
+_LT_TAGVAR(module_expsym_cmds, $1)=
+_LT_TAGVAR(link_all_deplibs, $1)=unknown
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(no_undefined_flag, $1)=
+_LT_TAGVAR(whole_archive_flag_spec, $1)=
+_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+
+# Source file extension for f77 test sources.
+ac_ext=f
+
+# Object file extension for compiled f77 test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# No sense in running all these tests if we already determined that
+# the F77 compiler isn't working.  Some variables (like enable_shared)
+# are currently assumed to apply to all compilers on this platform,
+# and will be corrupted by setting them based on a non-working compiler.
+if test "$_lt_disable_F77" != yes; then
+  # Code to be used in simple compile tests
+  lt_simple_compile_test_code="\
+      subroutine t
+      return
+      end
+"
+
+  # Code to be used in simple link tests
+  lt_simple_link_test_code="\
+      program t
+      end
+"
+
+  # ltmain only uses $CC for tagged configurations so make sure $CC is set.
+  _LT_TAG_COMPILER
+
+  # save warnings/boilerplate of simple test code
+  _LT_COMPILER_BOILERPLATE
+  _LT_LINKER_BOILERPLATE
+
+  # Allow CC to be a program name with arguments.
+  lt_save_CC="$CC"
+  lt_save_GCC=$GCC
+  CC=${F77-"f77"}
+  compiler=$CC
+  _LT_TAGVAR(compiler, $1)=$CC
+  _LT_CC_BASENAME([$compiler])
+  GCC=$G77
+  if test -n "$compiler"; then
+    AC_MSG_CHECKING([if libtool supports shared libraries])
+    AC_MSG_RESULT([$can_build_shared])
+
+    AC_MSG_CHECKING([whether to build shared libraries])
+    test "$can_build_shared" = "no" && enable_shared=no
+
+    # On AIX, shared libraries and static libraries use the same namespace, and
+    # are all built from PIC.
+    case $host_os in
+      aix3*)
+        test "$enable_shared" = yes && enable_static=no
+        if test -n "$RANLIB"; then
+          archive_cmds="$archive_cmds~\$RANLIB \$lib"
+          postinstall_cmds='$RANLIB $lib'
+        fi
+        ;;
+      aix[[4-9]]*)
+	if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
+	  test "$enable_shared" = yes && enable_static=no
+	fi
+        ;;
+    esac
+    AC_MSG_RESULT([$enable_shared])
+
+    AC_MSG_CHECKING([whether to build static libraries])
+    # Make sure either enable_shared or enable_static is yes.
+    test "$enable_shared" = yes || enable_static=yes
+    AC_MSG_RESULT([$enable_static])
+
+    _LT_TAGVAR(GCC, $1)="$G77"
+    _LT_TAGVAR(LD, $1)="$LD"
+
+    ## CAVEAT EMPTOR:
+    ## There is no encapsulation within the following macros, do not change
+    ## the running order or otherwise move them around unless you know exactly
+    ## what you are doing...
+    _LT_COMPILER_PIC($1)
+    _LT_COMPILER_C_O($1)
+    _LT_COMPILER_FILE_LOCKS($1)
+    _LT_LINKER_SHLIBS($1)
+    _LT_SYS_DYNAMIC_LINKER($1)
+    _LT_LINKER_HARDCODE_LIBPATH($1)
+
+    _LT_CONFIG($1)
+  fi # test -n "$compiler"
+
+  GCC=$lt_save_GCC
+  CC="$lt_save_CC"
+fi # test "$_lt_disable_F77" != yes
+
+AC_LANG_POP
+])# _LT_LANG_F77_CONFIG
+
+
+# _LT_PROG_FC
+# -----------
+# Since AC_PROG_FC is broken, in that it returns the empty string
+# if there is no fortran compiler, we have our own version here.
+m4_defun([_LT_PROG_FC],
+[
+pushdef([AC_MSG_ERROR], [_lt_disable_FC=yes])
+AC_PROG_FC
+if test -z "$FC" || test "X$FC" = "Xno"; then
+  _lt_disable_FC=yes
+fi
+popdef([AC_MSG_ERROR])
+])# _LT_PROG_FC
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([_LT_PROG_FC], [])
+
+
+# _LT_LANG_FC_CONFIG([TAG])
+# -------------------------
+# Ensure that the configuration variables for a Fortran compiler are
+# suitably defined.  These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to `libtool'.
+m4_defun([_LT_LANG_FC_CONFIG],
+[AC_REQUIRE([_LT_PROG_FC])dnl
+AC_LANG_PUSH(Fortran)
+
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+_LT_TAGVAR(allow_undefined_flag, $1)=
+_LT_TAGVAR(always_export_symbols, $1)=no
+_LT_TAGVAR(archive_expsym_cmds, $1)=
+_LT_TAGVAR(export_dynamic_flag_spec, $1)=
+_LT_TAGVAR(hardcode_direct, $1)=no
+_LT_TAGVAR(hardcode_direct_absolute, $1)=no
+_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+_LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)=
+_LT_TAGVAR(hardcode_libdir_separator, $1)=
+_LT_TAGVAR(hardcode_minus_L, $1)=no
+_LT_TAGVAR(hardcode_automatic, $1)=no
+_LT_TAGVAR(inherit_rpath, $1)=no
+_LT_TAGVAR(module_cmds, $1)=
+_LT_TAGVAR(module_expsym_cmds, $1)=
+_LT_TAGVAR(link_all_deplibs, $1)=unknown
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(no_undefined_flag, $1)=
+_LT_TAGVAR(whole_archive_flag_spec, $1)=
+_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+
+# Source file extension for fc test sources.
+ac_ext=${ac_fc_srcext-f}
+
+# Object file extension for compiled fc test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# No sense in running all these tests if we already determined that
+# the FC compiler isn't working.  Some variables (like enable_shared)
+# are currently assumed to apply to all compilers on this platform,
+# and will be corrupted by setting them based on a non-working compiler.
+if test "$_lt_disable_FC" != yes; then
+  # Code to be used in simple compile tests
+  lt_simple_compile_test_code="\
+      subroutine t
+      return
+      end
+"
+
+  # Code to be used in simple link tests
+  lt_simple_link_test_code="\
+      program t
+      end
+"
+
+  # ltmain only uses $CC for tagged configurations so make sure $CC is set.
+  _LT_TAG_COMPILER
+
+  # save warnings/boilerplate of simple test code
+  _LT_COMPILER_BOILERPLATE
+  _LT_LINKER_BOILERPLATE
+
+  # Allow CC to be a program name with arguments.
+  lt_save_CC="$CC"
+  lt_save_GCC=$GCC
+  CC=${FC-"f95"}
+  compiler=$CC
+  GCC=$ac_cv_fc_compiler_gnu
+
+  _LT_TAGVAR(compiler, $1)=$CC
+  _LT_CC_BASENAME([$compiler])
+
+  if test -n "$compiler"; then
+    AC_MSG_CHECKING([if libtool supports shared libraries])
+    AC_MSG_RESULT([$can_build_shared])
+
+    AC_MSG_CHECKING([whether to build shared libraries])
+    test "$can_build_shared" = "no" && enable_shared=no
+
+    # On AIX, shared libraries and static libraries use the same namespace, and
+    # are all built from PIC.
+    case $host_os in
+      aix3*)
+        test "$enable_shared" = yes && enable_static=no
+        if test -n "$RANLIB"; then
+          archive_cmds="$archive_cmds~\$RANLIB \$lib"
+          postinstall_cmds='$RANLIB $lib'
+        fi
+        ;;
+      aix[[4-9]]*)
+	if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
+	  test "$enable_shared" = yes && enable_static=no
+	fi
+        ;;
+    esac
+    AC_MSG_RESULT([$enable_shared])
+
+    AC_MSG_CHECKING([whether to build static libraries])
+    # Make sure either enable_shared or enable_static is yes.
+    test "$enable_shared" = yes || enable_static=yes
+    AC_MSG_RESULT([$enable_static])
+
+    _LT_TAGVAR(GCC, $1)="$ac_cv_fc_compiler_gnu"
+    _LT_TAGVAR(LD, $1)="$LD"
+
+    ## CAVEAT EMPTOR:
+    ## There is no encapsulation within the following macros, do not change
+    ## the running order or otherwise move them around unless you know exactly
+    ## what you are doing...
+    _LT_SYS_HIDDEN_LIBDEPS($1)
+    _LT_COMPILER_PIC($1)
+    _LT_COMPILER_C_O($1)
+    _LT_COMPILER_FILE_LOCKS($1)
+    _LT_LINKER_SHLIBS($1)
+    _LT_SYS_DYNAMIC_LINKER($1)
+    _LT_LINKER_HARDCODE_LIBPATH($1)
+
+    _LT_CONFIG($1)
+  fi # test -n "$compiler"
+
+  GCC=$lt_save_GCC
+  CC="$lt_save_CC"
+fi # test "$_lt_disable_FC" != yes
+
+AC_LANG_POP
+])# _LT_LANG_FC_CONFIG
+
+
+# _LT_LANG_GCJ_CONFIG([TAG])
+# --------------------------
+# Ensure that the configuration variables for the GNU Java Compiler compiler
+# are suitably defined.  These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to `libtool'.
+m4_defun([_LT_LANG_GCJ_CONFIG],
+[AC_REQUIRE([LT_PROG_GCJ])dnl
+AC_LANG_SAVE
+
+# Source file extension for Java test sources.
+ac_ext=java
+
+# Object file extension for compiled Java test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="class foo {}"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='public class conftest { public static void main(String[[]] argv) {}; }'
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+_LT_TAG_COMPILER
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+# Allow CC to be a program name with arguments.
+lt_save_CC="$CC"
+lt_save_GCC=$GCC
+GCC=yes
+CC=${GCJ-"gcj"}
+compiler=$CC
+_LT_TAGVAR(compiler, $1)=$CC
+_LT_TAGVAR(LD, $1)="$LD"
+_LT_CC_BASENAME([$compiler])
+
+# GCJ did not exist at the time GCC didn't implicitly link libc in.
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+
+## CAVEAT EMPTOR:
+## There is no encapsulation within the following macros, do not change
+## the running order or otherwise move them around unless you know exactly
+## what you are doing...
+if test -n "$compiler"; then
+  _LT_COMPILER_NO_RTTI($1)
+  _LT_COMPILER_PIC($1)
+  _LT_COMPILER_C_O($1)
+  _LT_COMPILER_FILE_LOCKS($1)
+  _LT_LINKER_SHLIBS($1)
+  _LT_LINKER_HARDCODE_LIBPATH($1)
+
+  _LT_CONFIG($1)
+fi
+
+AC_LANG_RESTORE
+
+GCC=$lt_save_GCC
+CC="$lt_save_CC"
+])# _LT_LANG_GCJ_CONFIG
+
+
+# _LT_LANG_RC_CONFIG([TAG])
+# -------------------------
+# Ensure that the configuration variables for the Windows resource compiler
+# are suitably defined.  These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to `libtool'.
+m4_defun([_LT_LANG_RC_CONFIG],
+[AC_REQUIRE([LT_PROG_RC])dnl
+AC_LANG_SAVE
+
+# Source file extension for RC test sources.
+ac_ext=rc
+
+# Object file extension for compiled RC test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code='sample MENU { MENUITEM "&Soup", 100, CHECKED }'
+
+# Code to be used in simple link tests
+lt_simple_link_test_code="$lt_simple_compile_test_code"
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+_LT_TAG_COMPILER
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+# Allow CC to be a program name with arguments.
+lt_save_CC="$CC"
+lt_save_GCC=$GCC
+GCC=
+CC=${RC-"windres"}
+compiler=$CC
+_LT_TAGVAR(compiler, $1)=$CC
+_LT_CC_BASENAME([$compiler])
+_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes
+
+if test -n "$compiler"; then
+  :
+  _LT_CONFIG($1)
+fi
+
+GCC=$lt_save_GCC
+AC_LANG_RESTORE
+CC="$lt_save_CC"
+])# _LT_LANG_RC_CONFIG
+
+
+# LT_PROG_GCJ
+# -----------
+AC_DEFUN([LT_PROG_GCJ],
+[m4_ifdef([AC_PROG_GCJ], [AC_PROG_GCJ],
+  [m4_ifdef([A][M_PROG_GCJ], [A][M_PROG_GCJ],
+    [AC_CHECK_TOOL(GCJ, gcj,)
+      test "x${GCJFLAGS+set}" = xset || GCJFLAGS="-g -O2"
+      AC_SUBST(GCJFLAGS)])])[]dnl
+])
+
+# Old name:
+AU_ALIAS([LT_AC_PROG_GCJ], [LT_PROG_GCJ])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([LT_AC_PROG_GCJ], [])
+
+
+# LT_PROG_RC
+# ----------
+AC_DEFUN([LT_PROG_RC],
+[AC_CHECK_TOOL(RC, windres,)
+])
+
+# Old name:
+AU_ALIAS([LT_AC_PROG_RC], [LT_PROG_RC])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([LT_AC_PROG_RC], [])
+
+
+# _LT_DECL_EGREP
+# --------------
+# If we don't have a new enough Autoconf to choose the best grep
+# available, choose the one first in the user's PATH.
+m4_defun([_LT_DECL_EGREP],
+[AC_REQUIRE([AC_PROG_EGREP])dnl
+AC_REQUIRE([AC_PROG_FGREP])dnl
+test -z "$GREP" && GREP=grep
+_LT_DECL([], [GREP], [1], [A grep program that handles long lines])
+_LT_DECL([], [EGREP], [1], [An ERE matcher])
+_LT_DECL([], [FGREP], [1], [A literal string matcher])
+dnl Non-bleeding-edge autoconf doesn't subst GREP, so do it here too
+AC_SUBST([GREP])
+])
+
+
+# _LT_DECL_SED
+# ------------
+# Check for a fully-functional sed program, that truncates
+# as few characters as possible.  Prefer GNU sed if found.
+m4_defun([_LT_DECL_SED],
+[AC_PROG_SED
+test -z "$SED" && SED=sed
+Xsed="$SED -e 1s/^X//"
+_LT_DECL([], [SED], [1], [A sed program that does not truncate output])
+_LT_DECL([], [Xsed], ["\$SED -e 1s/^X//"],
+    [Sed that helps us avoid accidentally triggering echo(1) options like -n])
+])# _LT_DECL_SED
+
+m4_ifndef([AC_PROG_SED], [
+############################################################
+# NOTE: This macro has been submitted for inclusion into   #
+#  GNU Autoconf as AC_PROG_SED.  When it is available in   #
+#  a released version of Autoconf we should remove this    #
+#  macro and use it instead.                               #
+############################################################
+
+m4_defun([AC_PROG_SED],
+[AC_MSG_CHECKING([for a sed that does not truncate output])
+AC_CACHE_VAL(lt_cv_path_SED,
+[# Loop through the user's path and test for sed and gsed.
+# Then use that list of sed's as ones to test for truncation.
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for lt_ac_prog in sed gsed; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      if $as_executable_p "$as_dir/$lt_ac_prog$ac_exec_ext"; then
+        lt_ac_sed_list="$lt_ac_sed_list $as_dir/$lt_ac_prog$ac_exec_ext"
+      fi
+    done
+  done
+done
+IFS=$as_save_IFS
+lt_ac_max=0
+lt_ac_count=0
+# Add /usr/xpg4/bin/sed as it is typically found on Solaris
+# along with /bin/sed that truncates output.
+for lt_ac_sed in $lt_ac_sed_list /usr/xpg4/bin/sed; do
+  test ! -f $lt_ac_sed && continue
+  cat /dev/null > conftest.in
+  lt_ac_count=0
+  echo $ECHO_N "0123456789$ECHO_C" >conftest.in
+  # Check for GNU sed and select it if it is found.
+  if "$lt_ac_sed" --version 2>&1 < /dev/null | grep 'GNU' > /dev/null; then
+    lt_cv_path_SED=$lt_ac_sed
+    break
+  fi
+  while true; do
+    cat conftest.in conftest.in >conftest.tmp
+    mv conftest.tmp conftest.in
+    cp conftest.in conftest.nl
+    echo >>conftest.nl
+    $lt_ac_sed -e 's/a$//' < conftest.nl >conftest.out || break
+    cmp -s conftest.out conftest.nl || break
+    # 10000 chars as input seems more than enough
+    test $lt_ac_count -gt 10 && break
+    lt_ac_count=`expr $lt_ac_count + 1`
+    if test $lt_ac_count -gt $lt_ac_max; then
+      lt_ac_max=$lt_ac_count
+      lt_cv_path_SED=$lt_ac_sed
+    fi
+  done
+done
+])
+SED=$lt_cv_path_SED
+AC_SUBST([SED])
+AC_MSG_RESULT([$SED])
+])#AC_PROG_SED
+])#m4_ifndef
+
+# Old name:
+AU_ALIAS([LT_AC_PROG_SED], [AC_PROG_SED])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([LT_AC_PROG_SED], [])
+
+
+# _LT_CHECK_SHELL_FEATURES
+# ------------------------
+# Find out whether the shell is Bourne or XSI compatible,
+# or has some other useful features.
+m4_defun([_LT_CHECK_SHELL_FEATURES],
+[AC_MSG_CHECKING([whether the shell understands some XSI constructs])
+# Try some XSI features
+xsi_shell=no
+( _lt_dummy="a/b/c"
+  test "${_lt_dummy##*/},${_lt_dummy%/*},"${_lt_dummy%"$_lt_dummy"}, \
+      = c,a/b,, \
+    && eval 'test $(( 1 + 1 )) -eq 2 \
+    && test "${#_lt_dummy}" -eq 5' ) >/dev/null 2>&1 \
+  && xsi_shell=yes
+AC_MSG_RESULT([$xsi_shell])
+_LT_CONFIG_LIBTOOL_INIT([xsi_shell='$xsi_shell'])
+
+AC_MSG_CHECKING([whether the shell understands "+="])
+lt_shell_append=no
+( foo=bar; set foo baz; eval "$[1]+=\$[2]" && test "$foo" = barbaz ) \
+    >/dev/null 2>&1 \
+  && lt_shell_append=yes
+AC_MSG_RESULT([$lt_shell_append])
+_LT_CONFIG_LIBTOOL_INIT([lt_shell_append='$lt_shell_append'])
+
+if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
+  lt_unset=unset
+else
+  lt_unset=false
+fi
+_LT_DECL([], [lt_unset], [0], [whether the shell understands "unset"])dnl
+
+# test EBCDIC or ASCII
+case `echo X|tr X '\101'` in
+ A) # ASCII based system
+    # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr
+  lt_SP2NL='tr \040 \012'
+  lt_NL2SP='tr \015\012 \040\040'
+  ;;
+ *) # EBCDIC based system
+  lt_SP2NL='tr \100 \n'
+  lt_NL2SP='tr \r\n \100\100'
+  ;;
+esac
+_LT_DECL([SP2NL], [lt_SP2NL], [1], [turn spaces into newlines])dnl
+_LT_DECL([NL2SP], [lt_NL2SP], [1], [turn newlines into spaces])dnl
+])# _LT_CHECK_SHELL_FEATURES
+
+
+# _LT_PROG_XSI_SHELLFNS
+# ---------------------
+# Bourne and XSI compatible variants of some useful shell functions.
+m4_defun([_LT_PROG_XSI_SHELLFNS],
+[case $xsi_shell in
+  yes)
+    cat << \_LT_EOF >> "$cfgfile"
+
+# func_dirname file append nondir_replacement
+# Compute the dirname of FILE.  If nonempty, add APPEND to the result,
+# otherwise set result to NONDIR_REPLACEMENT.
+func_dirname ()
+{
+  case ${1} in
+    */*) func_dirname_result="${1%/*}${2}" ;;
+    *  ) func_dirname_result="${3}" ;;
+  esac
+}
+
+# func_basename file
+func_basename ()
+{
+  func_basename_result="${1##*/}"
+}
+
+# func_dirname_and_basename file append nondir_replacement
+# perform func_basename and func_dirname in a single function
+# call:
+#   dirname:  Compute the dirname of FILE.  If nonempty,
+#             add APPEND to the result, otherwise set result
+#             to NONDIR_REPLACEMENT.
+#             value returned in "$func_dirname_result"
+#   basename: Compute filename of FILE.
+#             value retuned in "$func_basename_result"
+# Implementation must be kept synchronized with func_dirname
+# and func_basename. For efficiency, we do not delegate to
+# those functions but instead duplicate the functionality here.
+func_dirname_and_basename ()
+{
+  case ${1} in
+    */*) func_dirname_result="${1%/*}${2}" ;;
+    *  ) func_dirname_result="${3}" ;;
+  esac
+  func_basename_result="${1##*/}"
+}
+
+# func_stripname prefix suffix name
+# strip PREFIX and SUFFIX off of NAME.
+# PREFIX and SUFFIX must not contain globbing or regex special
+# characters, hashes, percent signs, but SUFFIX may contain a leading
+# dot (in which case that matches only a dot).
+func_stripname ()
+{
+  # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are
+  # positional parameters, so assign one to ordinary parameter first.
+  func_stripname_result=${3}
+  func_stripname_result=${func_stripname_result#"${1}"}
+  func_stripname_result=${func_stripname_result%"${2}"}
+}
+
+# func_opt_split
+func_opt_split ()
+{
+  func_opt_split_opt=${1%%=*}
+  func_opt_split_arg=${1#*=}
+}
+
+# func_lo2o object
+func_lo2o ()
+{
+  case ${1} in
+    *.lo) func_lo2o_result=${1%.lo}.${objext} ;;
+    *)    func_lo2o_result=${1} ;;
+  esac
+}
+
+# func_xform libobj-or-source
+func_xform ()
+{
+  func_xform_result=${1%.*}.lo
+}
+
+# func_arith arithmetic-term...
+func_arith ()
+{
+  func_arith_result=$(( $[*] ))
+}
+
+# func_len string
+# STRING may not start with a hyphen.
+func_len ()
+{
+  func_len_result=${#1}
+}
+
+_LT_EOF
+    ;;
+  *) # Bourne compatible functions.
+    cat << \_LT_EOF >> "$cfgfile"
+
+# func_dirname file append nondir_replacement
+# Compute the dirname of FILE.  If nonempty, add APPEND to the result,
+# otherwise set result to NONDIR_REPLACEMENT.
+func_dirname ()
+{
+  # Extract subdirectory from the argument.
+  func_dirname_result=`$ECHO "X${1}" | $Xsed -e "$dirname"`
+  if test "X$func_dirname_result" = "X${1}"; then
+    func_dirname_result="${3}"
+  else
+    func_dirname_result="$func_dirname_result${2}"
+  fi
+}
+
+# func_basename file
+func_basename ()
+{
+  func_basename_result=`$ECHO "X${1}" | $Xsed -e "$basename"`
+}
+
+dnl func_dirname_and_basename
+dnl A portable version of this function is already defined in general.m4sh
+dnl so there is no need for it here.
+
+# func_stripname prefix suffix name
+# strip PREFIX and SUFFIX off of NAME.
+# PREFIX and SUFFIX must not contain globbing or regex special
+# characters, hashes, percent signs, but SUFFIX may contain a leading
+# dot (in which case that matches only a dot).
+# func_strip_suffix prefix name
+func_stripname ()
+{
+  case ${2} in
+    .*) func_stripname_result=`$ECHO "X${3}" \
+           | $Xsed -e "s%^${1}%%" -e "s%\\\\${2}\$%%"`;;
+    *)  func_stripname_result=`$ECHO "X${3}" \
+           | $Xsed -e "s%^${1}%%" -e "s%${2}\$%%"`;;
+  esac
+}
+
+# sed scripts:
+my_sed_long_opt='1s/^\(-[[^=]]*\)=.*/\1/;q'
+my_sed_long_arg='1s/^-[[^=]]*=//'
+
+# func_opt_split
+func_opt_split ()
+{
+  func_opt_split_opt=`$ECHO "X${1}" | $Xsed -e "$my_sed_long_opt"`
+  func_opt_split_arg=`$ECHO "X${1}" | $Xsed -e "$my_sed_long_arg"`
+}
+
+# func_lo2o object
+func_lo2o ()
+{
+  func_lo2o_result=`$ECHO "X${1}" | $Xsed -e "$lo2o"`
+}
+
+# func_xform libobj-or-source
+func_xform ()
+{
+  func_xform_result=`$ECHO "X${1}" | $Xsed -e 's/\.[[^.]]*$/.lo/'`
+}
+
+# func_arith arithmetic-term...
+func_arith ()
+{
+  func_arith_result=`expr "$[@]"`
+}
+
+# func_len string
+# STRING may not start with a hyphen.
+func_len ()
+{
+  func_len_result=`expr "$[1]" : ".*" 2>/dev/null || echo $max_cmd_len`
+}
+
+_LT_EOF
+esac
+
+case $lt_shell_append in
+  yes)
+    cat << \_LT_EOF >> "$cfgfile"
+
+# func_append var value
+# Append VALUE to the end of shell variable VAR.
+func_append ()
+{
+  eval "$[1]+=\$[2]"
+}
+_LT_EOF
+    ;;
+  *)
+    cat << \_LT_EOF >> "$cfgfile"
+
+# func_append var value
+# Append VALUE to the end of shell variable VAR.
+func_append ()
+{
+  eval "$[1]=\$$[1]\$[2]"
+}
+
+_LT_EOF
+    ;;
+  esac
+])
diff --git a/m4/ltoptions.m4 b/m4/ltoptions.m4
new file mode 100644
index 0000000..e970119
--- /dev/null
+++ b/m4/ltoptions.m4
@@ -0,0 +1,368 @@
+# Helper functions for option handling.                    -*- Autoconf -*-
+#
+#   Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
+#   Written by Gary V. Vaughan, 2004
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+# serial 6 ltoptions.m4
+
+# This is to help aclocal find these macros, as it can't see m4_define.
+AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])])
+
+
+# _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME)
+# ------------------------------------------
+m4_define([_LT_MANGLE_OPTION],
+[[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])])
+
+
+# _LT_SET_OPTION(MACRO-NAME, OPTION-NAME)
+# ---------------------------------------
+# Set option OPTION-NAME for macro MACRO-NAME, and if there is a
+# matching handler defined, dispatch to it.  Other OPTION-NAMEs are
+# saved as a flag.
+m4_define([_LT_SET_OPTION],
+[m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl
+m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]),
+        _LT_MANGLE_DEFUN([$1], [$2]),
+    [m4_warning([Unknown $1 option `$2'])])[]dnl
+])
+
+
+# _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET])
+# ------------------------------------------------------------
+# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
+m4_define([_LT_IF_OPTION],
+[m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])])
+
+
+# _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET)
+# -------------------------------------------------------
+# Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME
+# are set.
+m4_define([_LT_UNLESS_OPTIONS],
+[m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
+	    [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option),
+		      [m4_define([$0_found])])])[]dnl
+m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3
+])[]dnl
+])
+
+
+# _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST)
+# ----------------------------------------
+# OPTION-LIST is a space-separated list of Libtool options associated
+# with MACRO-NAME.  If any OPTION has a matching handler declared with
+# LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about
+# the unknown option and exit.
+m4_defun([_LT_SET_OPTIONS],
+[# Set options
+m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
+    [_LT_SET_OPTION([$1], _LT_Option)])
+
+m4_if([$1],[LT_INIT],[
+  dnl
+  dnl Simply set some default values (i.e off) if boolean options were not
+  dnl specified:
+  _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no
+  ])
+  _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no
+  ])
+  dnl
+  dnl If no reference was made to various pairs of opposing options, then
+  dnl we run the default mode handler for the pair.  For example, if neither
+  dnl `shared' nor `disable-shared' was passed, we enable building of shared
+  dnl archives by default:
+  _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED])
+  _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC])
+  _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC])
+  _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install],
+  		   [_LT_ENABLE_FAST_INSTALL])
+  ])
+])# _LT_SET_OPTIONS
+
+
+## --------------------------------- ##
+## Macros to handle LT_INIT options. ##
+## --------------------------------- ##
+
+# _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME)
+# -----------------------------------------
+m4_define([_LT_MANGLE_DEFUN],
+[[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])])
+
+
+# LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE)
+# -----------------------------------------------
+m4_define([LT_OPTION_DEFINE],
+[m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl
+])# LT_OPTION_DEFINE
+
+
+# dlopen
+# ------
+LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes
+])
+
+AU_DEFUN([AC_LIBTOOL_DLOPEN],
+[_LT_SET_OPTION([LT_INIT], [dlopen])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you
+put the `dlopen' option into LT_INIT's first parameter.])
+])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], [])
+
+
+# win32-dll
+# ---------
+# Declare package support for building win32 dll's.
+LT_OPTION_DEFINE([LT_INIT], [win32-dll],
+[enable_win32_dll=yes
+
+case $host in
+*-*-cygwin* | *-*-mingw* | *-*-pw32*)
+  AC_CHECK_TOOL(AS, as, false)
+  AC_CHECK_TOOL(DLLTOOL, dlltool, false)
+  AC_CHECK_TOOL(OBJDUMP, objdump, false)
+  ;;
+esac
+
+test -z "$AS" && AS=as
+_LT_DECL([], [AS],      [0], [Assembler program])dnl
+
+test -z "$DLLTOOL" && DLLTOOL=dlltool
+_LT_DECL([], [DLLTOOL], [0], [DLL creation program])dnl
+
+test -z "$OBJDUMP" && OBJDUMP=objdump
+_LT_DECL([], [OBJDUMP], [0], [Object dumper program])dnl
+])# win32-dll
+
+AU_DEFUN([AC_LIBTOOL_WIN32_DLL],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+_LT_SET_OPTION([LT_INIT], [win32-dll])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you
+put the `win32-dll' option into LT_INIT's first parameter.])
+])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [])
+
+
+# _LT_ENABLE_SHARED([DEFAULT])
+# ----------------------------
+# implement the --enable-shared flag, and supports the `shared' and
+# `disable-shared' LT_INIT options.
+# DEFAULT is either `yes' or `no'.  If omitted, it defaults to `yes'.
+m4_define([_LT_ENABLE_SHARED],
+[m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl
+AC_ARG_ENABLE([shared],
+    [AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@],
+	[build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])],
+    [p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_shared=yes ;;
+    no) enable_shared=no ;;
+    *)
+      enable_shared=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+      for pkg in $enableval; do
+	IFS="$lt_save_ifs"
+	if test "X$pkg" = "X$p"; then
+	  enable_shared=yes
+	fi
+      done
+      IFS="$lt_save_ifs"
+      ;;
+    esac],
+    [enable_shared=]_LT_ENABLE_SHARED_DEFAULT)
+
+    _LT_DECL([build_libtool_libs], [enable_shared], [0],
+	[Whether or not to build shared libraries])
+])# _LT_ENABLE_SHARED
+
+LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])])
+LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])])
+
+# Old names:
+AC_DEFUN([AC_ENABLE_SHARED],
+[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared])
+])
+
+AC_DEFUN([AC_DISABLE_SHARED],
+[_LT_SET_OPTION([LT_INIT], [disable-shared])
+])
+
+AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)])
+AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AM_ENABLE_SHARED], [])
+dnl AC_DEFUN([AM_DISABLE_SHARED], [])
+
+
+
+# _LT_ENABLE_STATIC([DEFAULT])
+# ----------------------------
+# implement the --enable-static flag, and support the `static' and
+# `disable-static' LT_INIT options.
+# DEFAULT is either `yes' or `no'.  If omitted, it defaults to `yes'.
+m4_define([_LT_ENABLE_STATIC],
+[m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl
+AC_ARG_ENABLE([static],
+    [AS_HELP_STRING([--enable-static@<:@=PKGS@:>@],
+	[build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])],
+    [p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_static=yes ;;
+    no) enable_static=no ;;
+    *)
+     enable_static=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+      for pkg in $enableval; do
+	IFS="$lt_save_ifs"
+	if test "X$pkg" = "X$p"; then
+	  enable_static=yes
+	fi
+      done
+      IFS="$lt_save_ifs"
+      ;;
+    esac],
+    [enable_static=]_LT_ENABLE_STATIC_DEFAULT)
+
+    _LT_DECL([build_old_libs], [enable_static], [0],
+	[Whether or not to build static libraries])
+])# _LT_ENABLE_STATIC
+
+LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])])
+LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])])
+
+# Old names:
+AC_DEFUN([AC_ENABLE_STATIC],
+[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static])
+])
+
+AC_DEFUN([AC_DISABLE_STATIC],
+[_LT_SET_OPTION([LT_INIT], [disable-static])
+])
+
+AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)])
+AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AM_ENABLE_STATIC], [])
+dnl AC_DEFUN([AM_DISABLE_STATIC], [])
+
+
+
+# _LT_ENABLE_FAST_INSTALL([DEFAULT])
+# ----------------------------------
+# implement the --enable-fast-install flag, and support the `fast-install'
+# and `disable-fast-install' LT_INIT options.
+# DEFAULT is either `yes' or `no'.  If omitted, it defaults to `yes'.
+m4_define([_LT_ENABLE_FAST_INSTALL],
+[m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl
+AC_ARG_ENABLE([fast-install],
+    [AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@],
+    [optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])],
+    [p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_fast_install=yes ;;
+    no) enable_fast_install=no ;;
+    *)
+      enable_fast_install=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+      for pkg in $enableval; do
+	IFS="$lt_save_ifs"
+	if test "X$pkg" = "X$p"; then
+	  enable_fast_install=yes
+	fi
+      done
+      IFS="$lt_save_ifs"
+      ;;
+    esac],
+    [enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT)
+
+_LT_DECL([fast_install], [enable_fast_install], [0],
+	 [Whether or not to optimize for fast installation])dnl
+])# _LT_ENABLE_FAST_INSTALL
+
+LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])])
+LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])])
+
+# Old names:
+AU_DEFUN([AC_ENABLE_FAST_INSTALL],
+[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you put
+the `fast-install' option into LT_INIT's first parameter.])
+])
+
+AU_DEFUN([AC_DISABLE_FAST_INSTALL],
+[_LT_SET_OPTION([LT_INIT], [disable-fast-install])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you put
+the `disable-fast-install' option into LT_INIT's first parameter.])
+])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], [])
+dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], [])
+
+
+# _LT_WITH_PIC([MODE])
+# --------------------
+# implement the --with-pic flag, and support the `pic-only' and `no-pic'
+# LT_INIT options.
+# MODE is either `yes' or `no'.  If omitted, it defaults to `both'.
+m4_define([_LT_WITH_PIC],
+[AC_ARG_WITH([pic],
+    [AS_HELP_STRING([--with-pic],
+	[try to use only PIC/non-PIC objects @<:@default=use both@:>@])],
+    [pic_mode="$withval"],
+    [pic_mode=default])
+
+test -z "$pic_mode" && pic_mode=m4_default([$1], [default])
+
+_LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl
+])# _LT_WITH_PIC
+
+LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])])
+LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])])
+
+# Old name:
+AU_DEFUN([AC_LIBTOOL_PICMODE],
+[_LT_SET_OPTION([LT_INIT], [pic-only])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you
+put the `pic-only' option into LT_INIT's first parameter.])
+])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_PICMODE], [])
+
+## ----------------- ##
+## LTDL_INIT Options ##
+## ----------------- ##
+
+m4_define([_LTDL_MODE], [])
+LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive],
+		 [m4_define([_LTDL_MODE], [nonrecursive])])
+LT_OPTION_DEFINE([LTDL_INIT], [recursive],
+		 [m4_define([_LTDL_MODE], [recursive])])
+LT_OPTION_DEFINE([LTDL_INIT], [subproject],
+		 [m4_define([_LTDL_MODE], [subproject])])
+
+m4_define([_LTDL_TYPE], [])
+LT_OPTION_DEFINE([LTDL_INIT], [installable],
+		 [m4_define([_LTDL_TYPE], [installable])])
+LT_OPTION_DEFINE([LTDL_INIT], [convenience],
+		 [m4_define([_LTDL_TYPE], [convenience])])
diff --git a/m4/ltsugar.m4 b/m4/ltsugar.m4
new file mode 100644
index 0000000..0d258e0
--- /dev/null
+++ b/m4/ltsugar.m4
@@ -0,0 +1,123 @@
+# ltsugar.m4 -- libtool m4 base layer.                         -*-Autoconf-*-
+#
+#   Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc.
+#   Written by Gary V. Vaughan, 2004
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+# serial 5 ltsugar.m4
+
+# This is to help aclocal find these macros, as it can't see m4_define.
+AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])])
+
+
+# lt_join(SEP, ARG1, [ARG2...])
+# -----------------------------
+# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their
+# associated separator.
+# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier
+# versions in m4sugar had bugs.
+m4_define([lt_join],
+[m4_if([$#], [1], [],
+       [$#], [2], [[$2]],
+       [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])])
+m4_define([_lt_join],
+[m4_if([$#$2], [2], [],
+       [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])])
+
+
+# lt_car(LIST)
+# lt_cdr(LIST)
+# ------------
+# Manipulate m4 lists.
+# These macros are necessary as long as will still need to support
+# Autoconf-2.59 which quotes differently.
+m4_define([lt_car], [[$1]])
+m4_define([lt_cdr],
+[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])],
+       [$#], 1, [],
+       [m4_dquote(m4_shift($@))])])
+m4_define([lt_unquote], $1)
+
+
+# lt_append(MACRO-NAME, STRING, [SEPARATOR])
+# ------------------------------------------
+# Redefine MACRO-NAME to hold its former content plus `SEPARATOR'`STRING'.
+# Note that neither SEPARATOR nor STRING are expanded; they are appended
+# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked).
+# No SEPARATOR is output if MACRO-NAME was previously undefined (different
+# than defined and empty).
+#
+# This macro is needed until we can rely on Autoconf 2.62, since earlier
+# versions of m4sugar mistakenly expanded SEPARATOR but not STRING.
+m4_define([lt_append],
+[m4_define([$1],
+	   m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])])
+
+
+
+# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...])
+# ----------------------------------------------------------
+# Produce a SEP delimited list of all paired combinations of elements of
+# PREFIX-LIST with SUFFIX1 through SUFFIXn.  Each element of the list
+# has the form PREFIXmINFIXSUFFIXn.
+m4_define([lt_combine],
+[m4_if([$2], [], [],
+  [m4_if([$4], [], [],
+    [lt_join(m4_quote(m4_default([$1], [[, ]])),
+      lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_prefix, [$2],
+		   [m4_foreach(_Lt_suffix, lt_car([m4_shiftn(3, $@)]),
+			       [_Lt_prefix[]$3[]_Lt_suffix ])])))))])])dnl
+])
+
+
+# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ])
+# -----------------------------------------------------------------------
+# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited
+# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ.
+m4_define([lt_if_append_uniq],
+[m4_ifdef([$1],
+	  [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1],
+		 [lt_append([$1], [$2], [$3])$4],
+		 [$5])],
+	  [lt_append([$1], [$2], [$3])$4])])
+
+
+# lt_dict_add(DICT, KEY, VALUE)
+# -----------------------------
+m4_define([lt_dict_add],
+[m4_define([$1($2)], [$3])])
+
+
+# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE)
+# --------------------------------------------
+m4_define([lt_dict_add_subkey],
+[m4_define([$1($2:$3)], [$4])])
+
+
+# lt_dict_fetch(DICT, KEY, [SUBKEY])
+# ----------------------------------
+m4_define([lt_dict_fetch],
+[m4_ifval([$3],
+	m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]),
+    m4_ifdef([$1($2)], [m4_defn([$1($2)])]))])
+
+
+# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE])
+# -----------------------------------------------------------------
+m4_define([lt_if_dict_fetch],
+[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4],
+	[$5],
+    [$6])])
+
+
+# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...])
+# --------------------------------------------------------------
+m4_define([lt_dict_filter],
+[m4_if([$5], [], [],
+  [lt_join(m4_quote(m4_default([$4], [[, ]])),
+           lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]),
+		      [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl
+])
diff --git a/m4/ltversion.m4 b/m4/ltversion.m4
new file mode 100644
index 0000000..45cb155
--- /dev/null
+++ b/m4/ltversion.m4
@@ -0,0 +1,23 @@
+# ltversion.m4 -- version numbers			-*- Autoconf -*-
+#
+#   Copyright (C) 2004 Free Software Foundation, Inc.
+#   Written by Scott James Remnant, 2004
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+# Generated from ltversion.in.
+
+# serial 2976 ltversion.m4
+# This file is part of GNU Libtool
+
+m4_define([LT_PACKAGE_VERSION], [2.2.4])
+m4_define([LT_PACKAGE_REVISION], [1.2976])
+
+AC_DEFUN([LTVERSION_VERSION],
+[macro_version='2.2.4'
+macro_revision='1.2976'
+_LT_DECL(, macro_version, 0, [Which release of libtool.m4 was used?])
+_LT_DECL(, macro_revision, 0)
+])
diff --git a/m4/lt~obsolete.m4 b/m4/lt~obsolete.m4
new file mode 100644
index 0000000..637bb20
--- /dev/null
+++ b/m4/lt~obsolete.m4
@@ -0,0 +1,92 @@
+# lt~obsolete.m4 -- aclocal satisfying obsolete definitions.    -*-Autoconf-*-
+#
+#   Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc.
+#   Written by Scott James Remnant, 2004.
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+# serial 4 lt~obsolete.m4
+
+# These exist entirely to fool aclocal when bootstrapping libtool.
+#
+# In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN)
+# which have later been changed to m4_define as they aren't part of the
+# exported API, or moved to Autoconf or Automake where they belong.
+#
+# The trouble is, aclocal is a bit thick.  It'll see the old AC_DEFUN
+# in /usr/share/aclocal/libtool.m4 and remember it, then when it sees us
+# using a macro with the same name in our local m4/libtool.m4 it'll
+# pull the old libtool.m4 in (it doesn't see our shiny new m4_define
+# and doesn't know about Autoconf macros at all.)
+#
+# So we provide this file, which has a silly filename so it's always
+# included after everything else.  This provides aclocal with the
+# AC_DEFUNs it wants, but when m4 processes it, it doesn't do anything
+# because those macros already exist, or will be overwritten later.
+# We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6. 
+#
+# Anytime we withdraw an AC_DEFUN or AU_DEFUN, remember to add it here.
+# Yes, that means every name once taken will need to remain here until
+# we give up compatibility with versions before 1.7, at which point
+# we need to keep only those names which we still refer to.
+
+# This is to help aclocal find these macros, as it can't see m4_define.
+AC_DEFUN([LTOBSOLETE_VERSION], [m4_if([1])])
+
+m4_ifndef([AC_LIBTOOL_LINKER_OPTION],	[AC_DEFUN([AC_LIBTOOL_LINKER_OPTION])])
+m4_ifndef([AC_PROG_EGREP],		[AC_DEFUN([AC_PROG_EGREP])])
+m4_ifndef([_LT_AC_PROG_ECHO_BACKSLASH],	[AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH])])
+m4_ifndef([_LT_AC_SHELL_INIT],		[AC_DEFUN([_LT_AC_SHELL_INIT])])
+m4_ifndef([_LT_AC_SYS_LIBPATH_AIX],	[AC_DEFUN([_LT_AC_SYS_LIBPATH_AIX])])
+m4_ifndef([_LT_PROG_LTMAIN],		[AC_DEFUN([_LT_PROG_LTMAIN])])
+m4_ifndef([_LT_AC_TAGVAR],		[AC_DEFUN([_LT_AC_TAGVAR])])
+m4_ifndef([AC_LTDL_ENABLE_INSTALL],	[AC_DEFUN([AC_LTDL_ENABLE_INSTALL])])
+m4_ifndef([AC_LTDL_PREOPEN],		[AC_DEFUN([AC_LTDL_PREOPEN])])
+m4_ifndef([_LT_AC_SYS_COMPILER],	[AC_DEFUN([_LT_AC_SYS_COMPILER])])
+m4_ifndef([_LT_AC_LOCK],		[AC_DEFUN([_LT_AC_LOCK])])
+m4_ifndef([AC_LIBTOOL_SYS_OLD_ARCHIVE],	[AC_DEFUN([AC_LIBTOOL_SYS_OLD_ARCHIVE])])
+m4_ifndef([_LT_AC_TRY_DLOPEN_SELF],	[AC_DEFUN([_LT_AC_TRY_DLOPEN_SELF])])
+m4_ifndef([AC_LIBTOOL_PROG_CC_C_O],	[AC_DEFUN([AC_LIBTOOL_PROG_CC_C_O])])
+m4_ifndef([AC_LIBTOOL_SYS_HARD_LINK_LOCKS], [AC_DEFUN([AC_LIBTOOL_SYS_HARD_LINK_LOCKS])])
+m4_ifndef([AC_LIBTOOL_OBJDIR],		[AC_DEFUN([AC_LIBTOOL_OBJDIR])])
+m4_ifndef([AC_LTDL_OBJDIR],		[AC_DEFUN([AC_LTDL_OBJDIR])])
+m4_ifndef([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH], [AC_DEFUN([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH])])
+m4_ifndef([AC_LIBTOOL_SYS_LIB_STRIP],	[AC_DEFUN([AC_LIBTOOL_SYS_LIB_STRIP])])
+m4_ifndef([AC_PATH_MAGIC],		[AC_DEFUN([AC_PATH_MAGIC])])
+m4_ifndef([AC_PROG_LD_GNU],		[AC_DEFUN([AC_PROG_LD_GNU])])
+m4_ifndef([AC_PROG_LD_RELOAD_FLAG],	[AC_DEFUN([AC_PROG_LD_RELOAD_FLAG])])
+m4_ifndef([AC_DEPLIBS_CHECK_METHOD],	[AC_DEFUN([AC_DEPLIBS_CHECK_METHOD])])
+m4_ifndef([AC_LIBTOOL_PROG_COMPILER_NO_RTTI], [AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_NO_RTTI])])
+m4_ifndef([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE], [AC_DEFUN([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE])])
+m4_ifndef([AC_LIBTOOL_PROG_COMPILER_PIC], [AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_PIC])])
+m4_ifndef([AC_LIBTOOL_PROG_LD_SHLIBS],	[AC_DEFUN([AC_LIBTOOL_PROG_LD_SHLIBS])])
+m4_ifndef([AC_LIBTOOL_POSTDEP_PREDEP],	[AC_DEFUN([AC_LIBTOOL_POSTDEP_PREDEP])])
+m4_ifndef([LT_AC_PROG_EGREP],		[AC_DEFUN([LT_AC_PROG_EGREP])])
+m4_ifndef([LT_AC_PROG_SED],		[AC_DEFUN([LT_AC_PROG_SED])])
+m4_ifndef([_LT_CC_BASENAME],		[AC_DEFUN([_LT_CC_BASENAME])])
+m4_ifndef([_LT_COMPILER_BOILERPLATE],	[AC_DEFUN([_LT_COMPILER_BOILERPLATE])])
+m4_ifndef([_LT_LINKER_BOILERPLATE],	[AC_DEFUN([_LT_LINKER_BOILERPLATE])])
+m4_ifndef([_AC_PROG_LIBTOOL],		[AC_DEFUN([_AC_PROG_LIBTOOL])])
+m4_ifndef([AC_LIBTOOL_SETUP],		[AC_DEFUN([AC_LIBTOOL_SETUP])])
+m4_ifndef([_LT_AC_CHECK_DLFCN],		[AC_DEFUN([_LT_AC_CHECK_DLFCN])])
+m4_ifndef([AC_LIBTOOL_SYS_DYNAMIC_LINKER],	[AC_DEFUN([AC_LIBTOOL_SYS_DYNAMIC_LINKER])])
+m4_ifndef([_LT_AC_TAGCONFIG],		[AC_DEFUN([_LT_AC_TAGCONFIG])])
+m4_ifndef([AC_DISABLE_FAST_INSTALL],	[AC_DEFUN([AC_DISABLE_FAST_INSTALL])])
+m4_ifndef([_LT_AC_LANG_CXX],		[AC_DEFUN([_LT_AC_LANG_CXX])])
+m4_ifndef([_LT_AC_LANG_F77],		[AC_DEFUN([_LT_AC_LANG_F77])])
+m4_ifndef([_LT_AC_LANG_GCJ],		[AC_DEFUN([_LT_AC_LANG_GCJ])])
+m4_ifndef([AC_LIBTOOL_RC],		[AC_DEFUN([AC_LIBTOOL_RC])])
+m4_ifndef([AC_LIBTOOL_LANG_C_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_C_CONFIG])])
+m4_ifndef([_LT_AC_LANG_C_CONFIG],	[AC_DEFUN([_LT_AC_LANG_C_CONFIG])])
+m4_ifndef([AC_LIBTOOL_LANG_CXX_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_CXX_CONFIG])])
+m4_ifndef([_LT_AC_LANG_CXX_CONFIG],	[AC_DEFUN([_LT_AC_LANG_CXX_CONFIG])])
+m4_ifndef([AC_LIBTOOL_LANG_F77_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_F77_CONFIG])])
+m4_ifndef([_LT_AC_LANG_F77_CONFIG],	[AC_DEFUN([_LT_AC_LANG_F77_CONFIG])])
+m4_ifndef([AC_LIBTOOL_LANG_GCJ_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_GCJ_CONFIG])])
+m4_ifndef([_LT_AC_LANG_GCJ_CONFIG],	[AC_DEFUN([_LT_AC_LANG_GCJ_CONFIG])])
+m4_ifndef([AC_LIBTOOL_LANG_RC_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_RC_CONFIG])])
+m4_ifndef([_LT_AC_LANG_RC_CONFIG],	[AC_DEFUN([_LT_AC_LANG_RC_CONFIG])])
+m4_ifndef([AC_LIBTOOL_CONFIG],		[AC_DEFUN([AC_LIBTOOL_CONFIG])])
+m4_ifndef([_LT_AC_FILE_LTDLL_C],	[AC_DEFUN([_LT_AC_FILE_LTDLL_C])])
diff --git a/missing b/missing
new file mode 100755
index 0000000..1c8ff70
--- /dev/null
+++ b/missing
@@ -0,0 +1,367 @@
+#! /bin/sh
+# Common stub for a few missing GNU programs while installing.
+
+scriptversion=2006-05-10.23
+
+# Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006
+#   Free Software Foundation, Inc.
+# Originally by Fran,cois Pinard <pinard at iro.umontreal.ca>, 1996.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301, USA.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+if test $# -eq 0; then
+  echo 1>&2 "Try \`$0 --help' for more information"
+  exit 1
+fi
+
+run=:
+sed_output='s/.* --output[ =]\([^ ]*\).*/\1/p'
+sed_minuso='s/.* -o \([^ ]*\).*/\1/p'
+
+# In the cases where this matters, `missing' is being run in the
+# srcdir already.
+if test -f configure.ac; then
+  configure_ac=configure.ac
+else
+  configure_ac=configure.in
+fi
+
+msg="missing on your system"
+
+case $1 in
+--run)
+  # Try to run requested program, and just exit if it succeeds.
+  run=
+  shift
+  "$@" && exit 0
+  # Exit code 63 means version mismatch.  This often happens
+  # when the user try to use an ancient version of a tool on
+  # a file that requires a minimum version.  In this case we
+  # we should proceed has if the program had been absent, or
+  # if --run hadn't been passed.
+  if test $? = 63; then
+    run=:
+    msg="probably too old"
+  fi
+  ;;
+
+  -h|--h|--he|--hel|--help)
+    echo "\
+$0 [OPTION]... PROGRAM [ARGUMENT]...
+
+Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
+error status if there is no known handling for PROGRAM.
+
+Options:
+  -h, --help      display this help and exit
+  -v, --version   output version information and exit
+  --run           try to run the given command, and emulate it if it fails
+
+Supported PROGRAM values:
+  aclocal      touch file \`aclocal.m4'
+  autoconf     touch file \`configure'
+  autoheader   touch file \`config.h.in'
+  autom4te     touch the output file, or create a stub one
+  automake     touch all \`Makefile.in' files
+  bison        create \`y.tab.[ch]', if possible, from existing .[ch]
+  flex         create \`lex.yy.c', if possible, from existing .c
+  help2man     touch the output file
+  lex          create \`lex.yy.c', if possible, from existing .c
+  makeinfo     touch the output file
+  tar          try tar, gnutar, gtar, then tar without non-portable flags
+  yacc         create \`y.tab.[ch]', if possible, from existing .[ch]
+
+Send bug reports to <bug-automake at gnu.org>."
+    exit $?
+    ;;
+
+  -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
+    echo "missing $scriptversion (GNU Automake)"
+    exit $?
+    ;;
+
+  -*)
+    echo 1>&2 "$0: Unknown \`$1' option"
+    echo 1>&2 "Try \`$0 --help' for more information"
+    exit 1
+    ;;
+
+esac
+
+# Now exit if we have it, but it failed.  Also exit now if we
+# don't have it and --version was passed (most likely to detect
+# the program).
+case $1 in
+  lex|yacc)
+    # Not GNU programs, they don't have --version.
+    ;;
+
+  tar)
+    if test -n "$run"; then
+       echo 1>&2 "ERROR: \`tar' requires --run"
+       exit 1
+    elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
+       exit 1
+    fi
+    ;;
+
+  *)
+    if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
+       # We have it, but it failed.
+       exit 1
+    elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
+       # Could not run --version or --help.  This is probably someone
+       # running `$TOOL --version' or `$TOOL --help' to check whether
+       # $TOOL exists and not knowing $TOOL uses missing.
+       exit 1
+    fi
+    ;;
+esac
+
+# If it does not exist, or fails to run (possibly an outdated version),
+# try to emulate it.
+case $1 in
+  aclocal*)
+    echo 1>&2 "\
+WARNING: \`$1' is $msg.  You should only need it if
+         you modified \`acinclude.m4' or \`${configure_ac}'.  You might want
+         to install the \`Automake' and \`Perl' packages.  Grab them from
+         any GNU archive site."
+    touch aclocal.m4
+    ;;
+
+  autoconf)
+    echo 1>&2 "\
+WARNING: \`$1' is $msg.  You should only need it if
+         you modified \`${configure_ac}'.  You might want to install the
+         \`Autoconf' and \`GNU m4' packages.  Grab them from any GNU
+         archive site."
+    touch configure
+    ;;
+
+  autoheader)
+    echo 1>&2 "\
+WARNING: \`$1' is $msg.  You should only need it if
+         you modified \`acconfig.h' or \`${configure_ac}'.  You might want
+         to install the \`Autoconf' and \`GNU m4' packages.  Grab them
+         from any GNU archive site."
+    files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`
+    test -z "$files" && files="config.h"
+    touch_files=
+    for f in $files; do
+      case $f in
+      *:*) touch_files="$touch_files "`echo "$f" |
+				       sed -e 's/^[^:]*://' -e 's/:.*//'`;;
+      *) touch_files="$touch_files $f.in";;
+      esac
+    done
+    touch $touch_files
+    ;;
+
+  automake*)
+    echo 1>&2 "\
+WARNING: \`$1' is $msg.  You should only need it if
+         you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'.
+         You might want to install the \`Automake' and \`Perl' packages.
+         Grab them from any GNU archive site."
+    find . -type f -name Makefile.am -print |
+	   sed 's/\.am$/.in/' |
+	   while read f; do touch "$f"; done
+    ;;
+
+  autom4te)
+    echo 1>&2 "\
+WARNING: \`$1' is needed, but is $msg.
+         You might have modified some files without having the
+         proper tools for further handling them.
+         You can get \`$1' as part of \`Autoconf' from any GNU
+         archive site."
+
+    file=`echo "$*" | sed -n "$sed_output"`
+    test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
+    if test -f "$file"; then
+	touch $file
+    else
+	test -z "$file" || exec >$file
+	echo "#! /bin/sh"
+	echo "# Created by GNU Automake missing as a replacement of"
+	echo "#  $ $@"
+	echo "exit 0"
+	chmod +x $file
+	exit 1
+    fi
+    ;;
+
+  bison|yacc)
+    echo 1>&2 "\
+WARNING: \`$1' $msg.  You should only need it if
+         you modified a \`.y' file.  You may need the \`Bison' package
+         in order for those modifications to take effect.  You can get
+         \`Bison' from any GNU archive site."
+    rm -f y.tab.c y.tab.h
+    if test $# -ne 1; then
+        eval LASTARG="\${$#}"
+	case $LASTARG in
+	*.y)
+	    SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
+	    if test -f "$SRCFILE"; then
+	         cp "$SRCFILE" y.tab.c
+	    fi
+	    SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
+	    if test -f "$SRCFILE"; then
+	         cp "$SRCFILE" y.tab.h
+	    fi
+	  ;;
+	esac
+    fi
+    if test ! -f y.tab.h; then
+	echo >y.tab.h
+    fi
+    if test ! -f y.tab.c; then
+	echo 'main() { return 0; }' >y.tab.c
+    fi
+    ;;
+
+  lex|flex)
+    echo 1>&2 "\
+WARNING: \`$1' is $msg.  You should only need it if
+         you modified a \`.l' file.  You may need the \`Flex' package
+         in order for those modifications to take effect.  You can get
+         \`Flex' from any GNU archive site."
+    rm -f lex.yy.c
+    if test $# -ne 1; then
+        eval LASTARG="\${$#}"
+	case $LASTARG in
+	*.l)
+	    SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
+	    if test -f "$SRCFILE"; then
+	         cp "$SRCFILE" lex.yy.c
+	    fi
+	  ;;
+	esac
+    fi
+    if test ! -f lex.yy.c; then
+	echo 'main() { return 0; }' >lex.yy.c
+    fi
+    ;;
+
+  help2man)
+    echo 1>&2 "\
+WARNING: \`$1' is $msg.  You should only need it if
+	 you modified a dependency of a manual page.  You may need the
+	 \`Help2man' package in order for those modifications to take
+	 effect.  You can get \`Help2man' from any GNU archive site."
+
+    file=`echo "$*" | sed -n "$sed_output"`
+    test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
+    if test -f "$file"; then
+	touch $file
+    else
+	test -z "$file" || exec >$file
+	echo ".ab help2man is required to generate this page"
+	exit 1
+    fi
+    ;;
+
+  makeinfo)
+    echo 1>&2 "\
+WARNING: \`$1' is $msg.  You should only need it if
+         you modified a \`.texi' or \`.texinfo' file, or any other file
+         indirectly affecting the aspect of the manual.  The spurious
+         call might also be the consequence of using a buggy \`make' (AIX,
+         DU, IRIX).  You might want to install the \`Texinfo' package or
+         the \`GNU make' package.  Grab either from any GNU archive site."
+    # The file to touch is that specified with -o ...
+    file=`echo "$*" | sed -n "$sed_output"`
+    test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
+    if test -z "$file"; then
+      # ... or it is the one specified with @setfilename ...
+      infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
+      file=`sed -n '
+	/^@setfilename/{
+	  s/.* \([^ ]*\) *$/\1/
+	  p
+	  q
+	}' $infile`
+      # ... or it is derived from the source name (dir/f.texi becomes f.info)
+      test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info
+    fi
+    # If the file does not exist, the user really needs makeinfo;
+    # let's fail without touching anything.
+    test -f $file || exit 1
+    touch $file
+    ;;
+
+  tar)
+    shift
+
+    # We have already tried tar in the generic part.
+    # Look for gnutar/gtar before invocation to avoid ugly error
+    # messages.
+    if (gnutar --version > /dev/null 2>&1); then
+       gnutar "$@" && exit 0
+    fi
+    if (gtar --version > /dev/null 2>&1); then
+       gtar "$@" && exit 0
+    fi
+    firstarg="$1"
+    if shift; then
+	case $firstarg in
+	*o*)
+	    firstarg=`echo "$firstarg" | sed s/o//`
+	    tar "$firstarg" "$@" && exit 0
+	    ;;
+	esac
+	case $firstarg in
+	*h*)
+	    firstarg=`echo "$firstarg" | sed s/h//`
+	    tar "$firstarg" "$@" && exit 0
+	    ;;
+	esac
+    fi
+
+    echo 1>&2 "\
+WARNING: I can't seem to be able to run \`tar' with the given arguments.
+         You may want to install GNU tar or Free paxutils, or check the
+         command line arguments."
+    exit 1
+    ;;
+
+  *)
+    echo 1>&2 "\
+WARNING: \`$1' is needed, and is $msg.
+         You might have modified some files without having the
+         proper tools for further handling them.  Check the \`README' file,
+         it often tells you about the needed prerequisites for installing
+         this package.  You may also peek at any GNU archive site, in case
+         some other package would contain this missing \`$1' program."
+    exit 1
+    ;;
+esac
+
+exit 0
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-end: "$"
+# End:
diff --git a/nfconfig.in b/nfconfig.in
new file mode 100644
index 0000000..6adf488
--- /dev/null
+++ b/nfconfig.in
@@ -0,0 +1,83 @@
+#if 0
+    $Id: nfconfig.in,v 1.1 2006/11/10 21:47:18 ed Exp $ 
+#endif
+
+
+#ifndef UD_NETCDF_CPP_INC
+#define UD_NETCDF_CPP_INC
+
+
+#if 0
+    Do not have C-style comments in here because this file is processed
+    by both the FORTRAN compiler (for the nf_test/ stuff) and the C
+    compiler (for the FORTRAN-callable interface routines) and some 
+    FORTRAN preprocessors do not understand the /*...*/ syntax.
+#endif
+
+
+#if 0
+    The following macros define the supplementary FORTRAN arithmetic
+    datatypes beyond the standard INTEGER, REAL, and DOUBLEPRECISION --
+    ostensibly corresponding to 8-bit and 16-bit integers, respectively.
+    For example:
+
+	#define NF_INT1_T        byte
+	#define NF_INT2_T        integer*2
+
+    These are the types of the relevant arguments in the NF_*_INT1() and
+    NF_*_INT2() netCDF FORTRAN function calls.  The word "ostensibly"
+    is used advisedly: on some systems an "integer*2" datatype,
+    nevertheless, occupies 64 bits (we are not making this up).
+
+    If your FORTRAN system does not have the respective supplementary
+    datatype, then do not define the corresponding macro.
+#endif
+#undef NF_INT1_T
+#undef NF_INT2_T
+
+
+#if 0
+   Define the following NF_*_IS_C_* macros appropriatly for your system.
+   The "INT1", "INT2" and "INT" after the "NF_" refer to the NF_INT1_T
+   FORTRAN datatype, the NF_INT2_T FORTRAN datatype, and the INTEGER
+   FORTRAN datatype, respectively.  If the respective FORTRAN datatype
+   does not exist, then do not define the corresponding macro.
+#endif
+#undef NF_INT1_IS_C_SIGNED_CHAR
+#undef NF_INT1_IS_C_SHORT
+#undef NF_INT1_IS_C_INT
+#undef NF_INT1_IS_C_LONG
+#undef NF_INT2_IS_C_SHORT
+#undef NF_INT2_IS_C_INT
+#undef NF_INT2_IS_C_LONG
+#undef NF_INT_IS_C_INT
+#undef NF_INT_IS_C_LONG
+#undef NF_REAL_IS_C_FLOAT
+#undef NF_REAL_IS_C_DOUBLE
+#undef NF_DOUBLEPRECISION_IS_C_DOUBLE
+#undef NF_DOUBLEPRECISION_IS_C_FLOAT
+
+
+#if 0
+   Whether the system uses something besides the IEEE floating-point
+   format to represent floating-point values.
+#endif
+#undef NO_IEEE_FLOAT
+
+
+#if 0
+   END OF CUSTOMIZATION
+#endif
+
+
+#if 0
+    FORTRAN data types corresponding to netCDF version 2 "byte" and "short"
+    data types (e.g. INTEGER*1, INTEGER*2).  See file "ftest.F" for usage.
+#endif
+#if !defined(NO_NETCDF_2)
+#   undef NCBYTE_T
+#   undef NCSHORT_T
+#endif
+
+
+#endif
diff --git a/src/Makefile.am b/src/Makefile.am
new file mode 100644
index 0000000..74dc395
--- /dev/null
+++ b/src/Makefile.am
@@ -0,0 +1,99 @@
+## This is an automake file, part of Unidata's NetCDF CF Library package.
+# Copyright 2006, see the COPYRIGHT file for more information.
+
+# THis automake file is in charge of building the src directory.
+
+# $Id: Makefile.am,v 1.25 2009/04/12 14:10:14 ed Exp $
+
+# Tell automake that libcf.h is a header file we want to install.
+include_HEADERS = libcf.h
+
+# Test programs will need to link to this library (libcf) and also
+# netcdf.
+LDADD = ${lib_LTLIBRARIES}
+
+# Initalize these.
+AM_CPPFLAGS=
+AM_LDFLAGS=
+
+# If the user specified a root location for NETCDF, use it.
+if USE_NETCDF_DIR
+AM_CPPFLAGS += -I at NETCDFDIR@/include
+AM_FCFLAGS = -I at NETCDFDIR@/include
+AM_LDFLAGS += -L at NETCDFDIR@/lib
+endif
+
+# If the user specified a root location for HDF5, use it.
+if USE_HDF5_DIR
+AM_CPPFLAGS += -I at HDF5DIR@/include
+AM_LDFLAGS += -L at HDF5DIR@/lib
+endif
+
+# This is our output, the NetCDF CF Library.
+lib_LTLIBRARIES = libcf.la
+
+# Add the gridspec functions.
+if BUILD_GRIDSPEC
+libcf_la_LIBADD = ../gridspec_tools_20080702/shared/mosaic/libshared.la 
+libcf_la_LIBADD += ../gridspec_tools_20080702/tools/shared/libtoolsshared.la 
+endif 
+
+# These linker flags specify libtool version info.
+libcf_la_LDFLAGS = -version-info 0:0:0
+
+# This is the coordinate systems stuff.
+libcf_la_SOURCES = nccoord.c libcf.h libcf_int.h cffiles.c cfvars.c	\
+cfcvars.c cfsubsets.c cferror.c cferror.h cdTimeConv.c cdmsint.h	\
+cdms.h cddrs.h drscdf.h cdunif.h
+
+# These files are created by the tests.
+CLEANFILES = tst_coords_classic.nc tst_coords_64bit.nc			\
+tst_coords_netcdf4_classic.nc tst_coords_netcdf4.nc tst_vars.nc		\
+tst_files.nc tst_cvars.nc tst_vert_sigma.nc tst_vert_hybrid_sigma.nc	\
+tst_subsets_simple_sigma.nc tst_subsets_nw.nc tst_subsets_sw.nc		\
+tst_subsets_se.nc tst_subsets_ne.nc 
+
+tst_coords_SOURCES = tst_coords.c nc_tests.h
+tst_files_SOURCES = tst_files.c nc_tests.h
+tst_vars_SOURCES = tst_vars.c nc_tests.h
+tst_cvars_SOURCES = tst_cvars.c nc_tests.h
+tst_vert_SOURCES = tst_vert.c nc_tests.h
+tst_subsets_SOURCES = tst_subsets.c nc_tests.h
+
+check_PROGRAMS = tst_coords tst_files tst_vars tst_cvars tst_vert	\
+tst_subsets
+
+if EXTRA_DATA_TESTS
+check_PROGRAMS += tst_example_data
+tst_example_data_SOURCES = tst_example_data.c nc_tests.h
+endif # EXTRA_DATA_TESTS
+
+if BUILD_F90
+lib_LTLIBRARIES += libcff.la
+libcff_la_SOURCES = cffcvars.f90
+check_PROGRAMS += tst_f03_file
+tst_f03_file_SOURCES = tst_f03_file.f90
+CLEANFILES += tst_f03_file.nc	
+LDADD += libcf.la
+endif # BUILD_F90
+
+LDADD += -lnetcdf
+
+# If the user is building with netCDF-4, we also have to link to the
+# HDF5 high-level library, and the HDF5 library, and the zlib
+# compression library.
+if USE_NETCDF4
+LDADD += -lhdf5_hl -lhdf5 -lz
+endif # USE_NETCDF4
+
+# Rule to build Fortran 2003 code.
+# cfcvars.o:cfcvsars.f03
+# 	$(FC) -c $(AM_FCFLAGS) $(FCFLAGS) -c $? -o $@
+
+# tst_f03_file.o:tst_f03_file.f03
+# 	$(FC) -c $(AM_FCFLAGS) $(FCFLAGS) -c $? -o $@
+
+TESTS = $(check_PROGRAMS)
+
+
+
diff --git a/src/Makefile.in b/src/Makefile.in
new file mode 100644
index 0000000..0131dc2
--- /dev/null
+++ b/src/Makefile.in
@@ -0,0 +1,793 @@
+# Makefile.in generated by automake 1.10.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+ at SET_MAKE@
+
+# Copyright 2006, see the COPYRIGHT file for more information.
+
+# THis automake file is in charge of building the src directory.
+
+# $Id: Makefile.am,v 1.25 2009/04/12 14:10:14 ed Exp $
+
+
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+
+# If the user specified a root location for NETCDF, use it.
+ at USE_NETCDF_DIR_TRUE@am__append_1 = -I at NETCDFDIR@/include
+ at USE_NETCDF_DIR_TRUE@am__append_2 = -L at NETCDFDIR@/lib
+
+# If the user specified a root location for HDF5, use it.
+ at USE_HDF5_DIR_TRUE@am__append_3 = -I at HDF5DIR@/include
+ at USE_HDF5_DIR_TRUE@am__append_4 = -L at HDF5DIR@/lib
+check_PROGRAMS = tst_coords$(EXEEXT) tst_files$(EXEEXT) \
+	tst_vars$(EXEEXT) tst_cvars$(EXEEXT) tst_vert$(EXEEXT) \
+	tst_subsets$(EXEEXT) $(am__EXEEXT_1) $(am__EXEEXT_2)
+ at EXTRA_DATA_TESTS_TRUE@am__append_5 = tst_example_data
+ at BUILD_F90_TRUE@am__append_6 = libcff.la
+ at BUILD_F90_TRUE@am__append_7 = tst_f03_file
+ at BUILD_F90_TRUE@am__append_8 = tst_f03_file.nc	
+ at BUILD_F90_TRUE@am__append_9 = libcf.la
+
+# If the user is building with netCDF-4, we also have to link to the
+# HDF5 high-level library, and the HDF5 library, and the zlib
+# compression library.
+ at USE_NETCDF4_TRUE@am__append_10 = -lhdf5_hl -lhdf5 -lz
+subdir = src
+DIST_COMMON = $(include_HEADERS) $(srcdir)/Makefile.am \
+	$(srcdir)/Makefile.in
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/m4/libtool.m4 \
+	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
+	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
+	$(top_srcdir)/acinclude.m4 $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h $(top_builddir)/nfconfig.inc
+CONFIG_CLEAN_FILES =
+am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
+am__vpath_adj = case $$p in \
+    $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
+    *) f=$$p;; \
+  esac;
+am__strip_dir = `echo $$p | sed -e 's|^.*/||'`;
+am__installdirs = "$(DESTDIR)$(libdir)" "$(DESTDIR)$(includedir)"
+libLTLIBRARIES_INSTALL = $(INSTALL)
+LTLIBRARIES = $(lib_LTLIBRARIES)
+ at BUILD_GRIDSPEC_TRUE@libcf_la_DEPENDENCIES = ../gridspec_tools_20080702/shared/mosaic/libshared.la \
+ at BUILD_GRIDSPEC_TRUE@	../gridspec_tools_20080702/tools/shared/libtoolsshared.la
+am_libcf_la_OBJECTS = nccoord.lo cffiles.lo cfvars.lo cfcvars.lo \
+	cfsubsets.lo cferror.lo cdTimeConv.lo
+libcf_la_OBJECTS = $(am_libcf_la_OBJECTS)
+libcf_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
+	--mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(libcf_la_LDFLAGS) \
+	$(LDFLAGS) -o $@
+libcff_la_LIBADD =
+am__libcff_la_SOURCES_DIST = cffcvars.f90
+ at BUILD_F90_TRUE@am_libcff_la_OBJECTS = cffcvars.lo
+libcff_la_OBJECTS = $(am_libcff_la_OBJECTS)
+ at BUILD_F90_TRUE@am_libcff_la_rpath = -rpath $(libdir)
+ at EXTRA_DATA_TESTS_TRUE@am__EXEEXT_1 = tst_example_data$(EXEEXT)
+ at BUILD_F90_TRUE@am__EXEEXT_2 = tst_f03_file$(EXEEXT)
+am_tst_coords_OBJECTS = tst_coords.$(OBJEXT)
+tst_coords_OBJECTS = $(am_tst_coords_OBJECTS)
+tst_coords_LDADD = $(LDADD)
+am__DEPENDENCIES_1 =
+tst_coords_DEPENDENCIES = $(lib_LTLIBRARIES) $(am__append_9) \
+	$(am__DEPENDENCIES_1)
+am_tst_cvars_OBJECTS = tst_cvars.$(OBJEXT)
+tst_cvars_OBJECTS = $(am_tst_cvars_OBJECTS)
+tst_cvars_LDADD = $(LDADD)
+tst_cvars_DEPENDENCIES = $(lib_LTLIBRARIES) $(am__append_9) \
+	$(am__DEPENDENCIES_1)
+am__tst_example_data_SOURCES_DIST = tst_example_data.c nc_tests.h
+ at EXTRA_DATA_TESTS_TRUE@am_tst_example_data_OBJECTS =  \
+ at EXTRA_DATA_TESTS_TRUE@	tst_example_data.$(OBJEXT)
+tst_example_data_OBJECTS = $(am_tst_example_data_OBJECTS)
+tst_example_data_LDADD = $(LDADD)
+tst_example_data_DEPENDENCIES = $(lib_LTLIBRARIES) $(am__append_9) \
+	$(am__DEPENDENCIES_1)
+am__tst_f03_file_SOURCES_DIST = tst_f03_file.f90
+ at BUILD_F90_TRUE@am_tst_f03_file_OBJECTS = tst_f03_file.$(OBJEXT)
+tst_f03_file_OBJECTS = $(am_tst_f03_file_OBJECTS)
+tst_f03_file_LDADD = $(LDADD)
+tst_f03_file_DEPENDENCIES = $(lib_LTLIBRARIES) $(am__append_9) \
+	$(am__DEPENDENCIES_1)
+am_tst_files_OBJECTS = tst_files.$(OBJEXT)
+tst_files_OBJECTS = $(am_tst_files_OBJECTS)
+tst_files_LDADD = $(LDADD)
+tst_files_DEPENDENCIES = $(lib_LTLIBRARIES) $(am__append_9) \
+	$(am__DEPENDENCIES_1)
+am_tst_subsets_OBJECTS = tst_subsets.$(OBJEXT)
+tst_subsets_OBJECTS = $(am_tst_subsets_OBJECTS)
+tst_subsets_LDADD = $(LDADD)
+tst_subsets_DEPENDENCIES = $(lib_LTLIBRARIES) $(am__append_9) \
+	$(am__DEPENDENCIES_1)
+am_tst_vars_OBJECTS = tst_vars.$(OBJEXT)
+tst_vars_OBJECTS = $(am_tst_vars_OBJECTS)
+tst_vars_LDADD = $(LDADD)
+tst_vars_DEPENDENCIES = $(lib_LTLIBRARIES) $(am__append_9) \
+	$(am__DEPENDENCIES_1)
+am_tst_vert_OBJECTS = tst_vert.$(OBJEXT)
+tst_vert_OBJECTS = $(am_tst_vert_OBJECTS)
+tst_vert_LDADD = $(LDADD)
+tst_vert_DEPENDENCIES = $(lib_LTLIBRARIES) $(am__append_9) \
+	$(am__DEPENDENCIES_1)
+DEFAULT_INCLUDES = -I. at am__isrc@ -I$(top_builddir)
+depcomp = $(SHELL) $(top_srcdir)/depcomp
+am__depfiles_maybe = depfiles
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
+	--mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
+	$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+CCLD = $(CC)
+LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
+	--mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \
+	$(LDFLAGS) -o $@
+FCCOMPILE = $(FC) $(AM_FCFLAGS) $(FCFLAGS)
+LTFCCOMPILE = $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
+	--mode=compile $(FC) $(AM_FCFLAGS) $(FCFLAGS)
+FCLD = $(FC)
+FCLINK = $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=link \
+	$(FCLD) $(AM_FCFLAGS) $(FCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o \
+	$@
+SOURCES = $(libcf_la_SOURCES) $(libcff_la_SOURCES) \
+	$(tst_coords_SOURCES) $(tst_cvars_SOURCES) \
+	$(tst_example_data_SOURCES) $(tst_f03_file_SOURCES) \
+	$(tst_files_SOURCES) $(tst_subsets_SOURCES) \
+	$(tst_vars_SOURCES) $(tst_vert_SOURCES)
+DIST_SOURCES = $(libcf_la_SOURCES) $(am__libcff_la_SOURCES_DIST) \
+	$(tst_coords_SOURCES) $(tst_cvars_SOURCES) \
+	$(am__tst_example_data_SOURCES_DIST) \
+	$(am__tst_f03_file_SOURCES_DIST) $(tst_files_SOURCES) \
+	$(tst_subsets_SOURCES) $(tst_vars_SOURCES) $(tst_vert_SOURCES)
+includeHEADERS_INSTALL = $(INSTALL_HEADER)
+HEADERS = $(include_HEADERS)
+ETAGS = etags
+CTAGS = ctags
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+ACLOCAL = @ACLOCAL@
+ALLOCA = @ALLOCA@
+AMTAR = @AMTAR@
+AR = @AR@
+AS = @AS@
+AUTOCONF = @AUTOCONF@
+AUTOHEADER = @AUTOHEADER@
+AUTOMAKE = @AUTOMAKE@
+AWK = @AWK@
+CC = @CC@
+CCDEPMODE = @CCDEPMODE@
+CFLAGS = @CFLAGS@
+COMPILE_F = @COMPILE_F@
+CPP = @CPP@
+CPPFLAGS = @CPPFLAGS@
+CYGPATH_W = @CYGPATH_W@
+DEFS = @DEFS@
+DEPDIR = @DEPDIR@
+DLLTOOL = @DLLTOOL@
+DSYMUTIL = @DSYMUTIL@
+DUMPBIN = @DUMPBIN@
+ECHO_C = @ECHO_C@
+ECHO_N = @ECHO_N@
+ECHO_T = @ECHO_T@
+EGREP = @EGREP@
+EXEEXT = @EXEEXT@
+F77 = @F77@
+FC = @FC@
+FCFLAGS = @FCFLAGS@
+FFLAGS = @FFLAGS@
+FGREP = @FGREP@
+FLIBS = @FLIBS@
+FPP = @FPP@
+FPPFLAGS = @FPPFLAGS@
+GREP = @GREP@
+HDF5DIR = @HDF5DIR@
+INSTALL = @INSTALL@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+LD = @LD@
+LDFLAGS = @LDFLAGS@
+LIBOBJS = @LIBOBJS@
+LIBS = @LIBS@
+LIBTOOL = @LIBTOOL@
+LIPO = @LIPO@
+LN_S = @LN_S@
+LTLIBOBJS = @LTLIBOBJS@
+MAKEINFO = @MAKEINFO@
+MAKEWHATIS_CMD = @MAKEWHATIS_CMD@
+MATHLIB = @MATHLIB@
+MKDIR_P = @MKDIR_P@
+NETCDFDIR = @NETCDFDIR@
+NM = @NM@
+NMEDIT = @NMEDIT@
+NMFLAGS = @NMFLAGS@
+OBJDUMP = @OBJDUMP@
+OBJEXT = @OBJEXT@
+OTOOL = @OTOOL@
+OTOOL64 = @OTOOL64@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+RANLIB = @RANLIB@
+SED = @SED@
+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
+STRIP = @STRIP@
+VERSION = @VERSION@
+WHATIS = @WHATIS@
+abs_builddir = @abs_builddir@
+abs_srcdir = @abs_srcdir@
+abs_top_builddir = @abs_top_builddir@
+abs_top_srcdir = @abs_top_srcdir@
+ac_ct_CC = @ac_ct_CC@
+ac_ct_DUMPBIN = @ac_ct_DUMPBIN@
+ac_ct_F77 = @ac_ct_F77@
+ac_ct_FC = @ac_ct_FC@
+am__include = @am__include@
+am__leading_dot = @am__leading_dot@
+am__quote = @am__quote@
+am__tar = @am__tar@
+am__untar = @am__untar@
+bindir = @bindir@
+build = @build@
+build_alias = @build_alias@
+build_cpu = @build_cpu@
+build_os = @build_os@
+build_vendor = @build_vendor@
+builddir = @builddir@
+datadir = @datadir@
+datarootdir = @datarootdir@
+docdir = @docdir@
+dvidir = @dvidir@
+exec_prefix = @exec_prefix@
+host = @host@
+host_alias = @host_alias@
+host_cpu = @host_cpu@
+host_os = @host_os@
+host_vendor = @host_vendor@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+lt_ECHO = @lt_ECHO@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@
+prefix = @prefix@
+prog = @prog@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+srcdir = @srcdir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+
+# Tell automake that libcf.h is a header file we want to install.
+include_HEADERS = libcf.h
+
+# Test programs will need to link to this library (libcf) and also
+# netcdf.
+LDADD = ${lib_LTLIBRARIES} $(am__append_9) -lnetcdf $(am__append_10)
+
+# Initalize these.
+AM_CPPFLAGS = $(am__append_1) $(am__append_3)
+AM_LDFLAGS = $(am__append_2) $(am__append_4)
+ at USE_NETCDF_DIR_TRUE@AM_FCFLAGS = -I at NETCDFDIR@/include
+
+# This is our output, the NetCDF CF Library.
+lib_LTLIBRARIES = libcf.la $(am__append_6)
+
+# Add the gridspec functions.
+ at BUILD_GRIDSPEC_TRUE@libcf_la_LIBADD = ../gridspec_tools_20080702/shared/mosaic/libshared.la \
+ at BUILD_GRIDSPEC_TRUE@	../gridspec_tools_20080702/tools/shared/libtoolsshared.la
+
+# These linker flags specify libtool version info.
+libcf_la_LDFLAGS = -version-info 0:0:0
+
+# This is the coordinate systems stuff.
+libcf_la_SOURCES = nccoord.c libcf.h libcf_int.h cffiles.c cfvars.c	\
+cfcvars.c cfsubsets.c cferror.c cferror.h cdTimeConv.c cdmsint.h	\
+cdms.h cddrs.h drscdf.h cdunif.h
+
+
+# These files are created by the tests.
+CLEANFILES = tst_coords_classic.nc tst_coords_64bit.nc \
+	tst_coords_netcdf4_classic.nc tst_coords_netcdf4.nc \
+	tst_vars.nc tst_files.nc tst_cvars.nc tst_vert_sigma.nc \
+	tst_vert_hybrid_sigma.nc tst_subsets_simple_sigma.nc \
+	tst_subsets_nw.nc tst_subsets_sw.nc tst_subsets_se.nc \
+	tst_subsets_ne.nc $(am__append_8)
+tst_coords_SOURCES = tst_coords.c nc_tests.h
+tst_files_SOURCES = tst_files.c nc_tests.h
+tst_vars_SOURCES = tst_vars.c nc_tests.h
+tst_cvars_SOURCES = tst_cvars.c nc_tests.h
+tst_vert_SOURCES = tst_vert.c nc_tests.h
+tst_subsets_SOURCES = tst_subsets.c nc_tests.h
+ at EXTRA_DATA_TESTS_TRUE@tst_example_data_SOURCES = tst_example_data.c nc_tests.h
+ at BUILD_F90_TRUE@libcff_la_SOURCES = cffcvars.f90
+ at BUILD_F90_TRUE@tst_f03_file_SOURCES = tst_f03_file.f90
+
+# Rule to build Fortran 2003 code.
+# cfcvars.o:cfcvsars.f03
+# 	$(FC) -c $(AM_FCFLAGS) $(FCFLAGS) -c $? -o $@
+
+# tst_f03_file.o:tst_f03_file.f03
+# 	$(FC) -c $(AM_FCFLAGS) $(FCFLAGS) -c $? -o $@
+TESTS = $(check_PROGRAMS)
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .f90 .lo .o .obj
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
+		&& exit 0; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign  src/Makefile'; \
+	cd $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign  src/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+install-libLTLIBRARIES: $(lib_LTLIBRARIES)
+	@$(NORMAL_INSTALL)
+	test -z "$(libdir)" || $(MKDIR_P) "$(DESTDIR)$(libdir)"
+	@list='$(lib_LTLIBRARIES)'; for p in $$list; do \
+	  if test -f $$p; then \
+	    f=$(am__strip_dir) \
+	    echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(libLTLIBRARIES_INSTALL) $(INSTALL_STRIP_FLAG) '$$p' '$(DESTDIR)$(libdir)/$$f'"; \
+	    $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(libLTLIBRARIES_INSTALL) $(INSTALL_STRIP_FLAG) "$$p" "$(DESTDIR)$(libdir)/$$f"; \
+	  else :; fi; \
+	done
+
+uninstall-libLTLIBRARIES:
+	@$(NORMAL_UNINSTALL)
+	@list='$(lib_LTLIBRARIES)'; for p in $$list; do \
+	  p=$(am__strip_dir) \
+	  echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f '$(DESTDIR)$(libdir)/$$p'"; \
+	  $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f "$(DESTDIR)$(libdir)/$$p"; \
+	done
+
+clean-libLTLIBRARIES:
+	-test -z "$(lib_LTLIBRARIES)" || rm -f $(lib_LTLIBRARIES)
+	@list='$(lib_LTLIBRARIES)'; for p in $$list; do \
+	  dir="`echo $$p | sed -e 's|/[^/]*$$||'`"; \
+	  test "$$dir" != "$$p" || dir=.; \
+	  echo "rm -f \"$${dir}/so_locations\""; \
+	  rm -f "$${dir}/so_locations"; \
+	done
+libcf.la: $(libcf_la_OBJECTS) $(libcf_la_DEPENDENCIES) 
+	$(libcf_la_LINK) -rpath $(libdir) $(libcf_la_OBJECTS) $(libcf_la_LIBADD) $(LIBS)
+libcff.la: $(libcff_la_OBJECTS) $(libcff_la_DEPENDENCIES) 
+	$(FCLINK) $(am_libcff_la_rpath) $(libcff_la_OBJECTS) $(libcff_la_LIBADD) $(LIBS)
+
+clean-checkPROGRAMS:
+	@list='$(check_PROGRAMS)'; for p in $$list; do \
+	  f=`echo $$p|sed 's/$(EXEEXT)$$//'`; \
+	  echo " rm -f $$p $$f"; \
+	  rm -f $$p $$f ; \
+	done
+tst_coords$(EXEEXT): $(tst_coords_OBJECTS) $(tst_coords_DEPENDENCIES) 
+	@rm -f tst_coords$(EXEEXT)
+	$(LINK) $(tst_coords_OBJECTS) $(tst_coords_LDADD) $(LIBS)
+tst_cvars$(EXEEXT): $(tst_cvars_OBJECTS) $(tst_cvars_DEPENDENCIES) 
+	@rm -f tst_cvars$(EXEEXT)
+	$(LINK) $(tst_cvars_OBJECTS) $(tst_cvars_LDADD) $(LIBS)
+tst_example_data$(EXEEXT): $(tst_example_data_OBJECTS) $(tst_example_data_DEPENDENCIES) 
+	@rm -f tst_example_data$(EXEEXT)
+	$(LINK) $(tst_example_data_OBJECTS) $(tst_example_data_LDADD) $(LIBS)
+tst_f03_file$(EXEEXT): $(tst_f03_file_OBJECTS) $(tst_f03_file_DEPENDENCIES) 
+	@rm -f tst_f03_file$(EXEEXT)
+	$(FCLINK) $(tst_f03_file_OBJECTS) $(tst_f03_file_LDADD) $(LIBS)
+tst_files$(EXEEXT): $(tst_files_OBJECTS) $(tst_files_DEPENDENCIES) 
+	@rm -f tst_files$(EXEEXT)
+	$(LINK) $(tst_files_OBJECTS) $(tst_files_LDADD) $(LIBS)
+tst_subsets$(EXEEXT): $(tst_subsets_OBJECTS) $(tst_subsets_DEPENDENCIES) 
+	@rm -f tst_subsets$(EXEEXT)
+	$(LINK) $(tst_subsets_OBJECTS) $(tst_subsets_LDADD) $(LIBS)
+tst_vars$(EXEEXT): $(tst_vars_OBJECTS) $(tst_vars_DEPENDENCIES) 
+	@rm -f tst_vars$(EXEEXT)
+	$(LINK) $(tst_vars_OBJECTS) $(tst_vars_LDADD) $(LIBS)
+tst_vert$(EXEEXT): $(tst_vert_OBJECTS) $(tst_vert_DEPENDENCIES) 
+	@rm -f tst_vert$(EXEEXT)
+	$(LINK) $(tst_vert_OBJECTS) $(tst_vert_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+ at AMDEP_TRUE@@am__include@ @am__quote at ./$(DEPDIR)/cdTimeConv.Plo at am__quote@
+ at AMDEP_TRUE@@am__include@ @am__quote at ./$(DEPDIR)/cfcvars.Plo at am__quote@
+ at AMDEP_TRUE@@am__include@ @am__quote at ./$(DEPDIR)/cferror.Plo at am__quote@
+ at AMDEP_TRUE@@am__include@ @am__quote at ./$(DEPDIR)/cffiles.Plo at am__quote@
+ at AMDEP_TRUE@@am__include@ @am__quote at ./$(DEPDIR)/cfsubsets.Plo at am__quote@
+ at AMDEP_TRUE@@am__include@ @am__quote at ./$(DEPDIR)/cfvars.Plo at am__quote@
+ at AMDEP_TRUE@@am__include@ @am__quote at ./$(DEPDIR)/nccoord.Plo at am__quote@
+ at AMDEP_TRUE@@am__include@ @am__quote at ./$(DEPDIR)/tst_coords.Po at am__quote@
+ at AMDEP_TRUE@@am__include@ @am__quote at ./$(DEPDIR)/tst_cvars.Po at am__quote@
+ at AMDEP_TRUE@@am__include@ @am__quote at ./$(DEPDIR)/tst_example_data.Po at am__quote@
+ at AMDEP_TRUE@@am__include@ @am__quote at ./$(DEPDIR)/tst_files.Po at am__quote@
+ at AMDEP_TRUE@@am__include@ @am__quote at ./$(DEPDIR)/tst_subsets.Po at am__quote@
+ at AMDEP_TRUE@@am__include@ @am__quote at ./$(DEPDIR)/tst_vars.Po at am__quote@
+ at AMDEP_TRUE@@am__include@ @am__quote at ./$(DEPDIR)/tst_vert.Po at am__quote@
+
+.c.o:
+ at am__fastdepCC_TRUE@	depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.o$$||'`;\
+ at am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ $< &&\
+ at am__fastdepCC_TRUE@	mv -f $$depbase.Tpo $$depbase.Po
+ at AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+ at AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+ at am__fastdepCC_FALSE@	$(COMPILE) -c -o $@ $<
+
+.c.obj:
+ at am__fastdepCC_TRUE@	depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.obj$$||'`;\
+ at am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ `$(CYGPATH_W) '$<'` &&\
+ at am__fastdepCC_TRUE@	mv -f $$depbase.Tpo $$depbase.Po
+ at AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+ at AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+ at am__fastdepCC_FALSE@	$(COMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
+
+.c.lo:
+ at am__fastdepCC_TRUE@	depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.lo$$||'`;\
+ at am__fastdepCC_TRUE@	$(LTCOMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ $< &&\
+ at am__fastdepCC_TRUE@	mv -f $$depbase.Tpo $$depbase.Plo
+ at AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
+ at AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+ at am__fastdepCC_FALSE@	$(LTCOMPILE) -c -o $@ $<
+
+.f90.o:
+	$(FCCOMPILE) -c -o $@ $<
+
+.f90.obj:
+	$(FCCOMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
+
+.f90.lo:
+	$(LTFCCOMPILE) -c -o $@ $<
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+install-includeHEADERS: $(include_HEADERS)
+	@$(NORMAL_INSTALL)
+	test -z "$(includedir)" || $(MKDIR_P) "$(DESTDIR)$(includedir)"
+	@list='$(include_HEADERS)'; for p in $$list; do \
+	  if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
+	  f=$(am__strip_dir) \
+	  echo " $(includeHEADERS_INSTALL) '$$d$$p' '$(DESTDIR)$(includedir)/$$f'"; \
+	  $(includeHEADERS_INSTALL) "$$d$$p" "$(DESTDIR)$(includedir)/$$f"; \
+	done
+
+uninstall-includeHEADERS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(include_HEADERS)'; for p in $$list; do \
+	  f=$(am__strip_dir) \
+	  echo " rm -f '$(DESTDIR)$(includedir)/$$f'"; \
+	  rm -f "$(DESTDIR)$(includedir)/$$f"; \
+	done
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+	list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonemtpy = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	mkid -fID $$unique
+tags: TAGS
+
+TAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	tags=; \
+	here=`pwd`; \
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	if test -z "$(ETAGS_ARGS)$$tags$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	    $$tags $$unique; \
+	fi
+ctags: CTAGS
+CTAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	tags=; \
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	test -z "$(CTAGS_ARGS)$$tags$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$tags $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && cd $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) $$here
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+check-TESTS: $(TESTS)
+	@failed=0; all=0; xfail=0; xpass=0; skip=0; ws='[	 ]'; \
+	srcdir=$(srcdir); export srcdir; \
+	list=' $(TESTS) '; \
+	if test -n "$$list"; then \
+	  for tst in $$list; do \
+	    if test -f ./$$tst; then dir=./; \
+	    elif test -f $$tst; then dir=; \
+	    else dir="$(srcdir)/"; fi; \
+	    if $(TESTS_ENVIRONMENT) $${dir}$$tst; then \
+	      all=`expr $$all + 1`; \
+	      case " $(XFAIL_TESTS) " in \
+	      *$$ws$$tst$$ws*) \
+		xpass=`expr $$xpass + 1`; \
+		failed=`expr $$failed + 1`; \
+		echo "XPASS: $$tst"; \
+	      ;; \
+	      *) \
+		echo "PASS: $$tst"; \
+	      ;; \
+	      esac; \
+	    elif test $$? -ne 77; then \
+	      all=`expr $$all + 1`; \
+	      case " $(XFAIL_TESTS) " in \
+	      *$$ws$$tst$$ws*) \
+		xfail=`expr $$xfail + 1`; \
+		echo "XFAIL: $$tst"; \
+	      ;; \
+	      *) \
+		failed=`expr $$failed + 1`; \
+		echo "FAIL: $$tst"; \
+	      ;; \
+	      esac; \
+	    else \
+	      skip=`expr $$skip + 1`; \
+	      echo "SKIP: $$tst"; \
+	    fi; \
+	  done; \
+	  if test "$$failed" -eq 0; then \
+	    if test "$$xfail" -eq 0; then \
+	      banner="All $$all tests passed"; \
+	    else \
+	      banner="All $$all tests behaved as expected ($$xfail expected failures)"; \
+	    fi; \
+	  else \
+	    if test "$$xpass" -eq 0; then \
+	      banner="$$failed of $$all tests failed"; \
+	    else \
+	      banner="$$failed of $$all tests did not behave as expected ($$xpass unexpected passes)"; \
+	    fi; \
+	  fi; \
+	  dashes="$$banner"; \
+	  skipped=""; \
+	  if test "$$skip" -ne 0; then \
+	    skipped="($$skip tests were not run)"; \
+	    test `echo "$$skipped" | wc -c` -le `echo "$$banner" | wc -c` || \
+	      dashes="$$skipped"; \
+	  fi; \
+	  report=""; \
+	  if test "$$failed" -ne 0 && test -n "$(PACKAGE_BUGREPORT)"; then \
+	    report="Please report to $(PACKAGE_BUGREPORT)"; \
+	    test `echo "$$report" | wc -c` -le `echo "$$banner" | wc -c` || \
+	      dashes="$$report"; \
+	  fi; \
+	  dashes=`echo "$$dashes" | sed s/./=/g`; \
+	  echo "$$dashes"; \
+	  echo "$$banner"; \
+	  test -z "$$skipped" || echo "$$skipped"; \
+	  test -z "$$report" || echo "$$report"; \
+	  echo "$$dashes"; \
+	  test "$$failed" -eq 0; \
+	else :; fi
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -pR $(srcdir)/$$file $(distdir)$$dir || exit 1; \
+	    fi; \
+	    cp -pR $$d/$$file $(distdir)$$dir || exit 1; \
+	  else \
+	    test -f $(distdir)/$$file \
+	    || cp -p $$d/$$file $(distdir)/$$file \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+	$(MAKE) $(AM_MAKEFLAGS) $(check_PROGRAMS)
+	$(MAKE) $(AM_MAKEFLAGS) check-TESTS
+check: check-am
+all-am: Makefile $(LTLIBRARIES) $(HEADERS)
+installdirs:
+	for dir in "$(DESTDIR)$(libdir)" "$(DESTDIR)$(includedir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+	-test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-checkPROGRAMS clean-generic clean-libLTLIBRARIES \
+	clean-libtool mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+info: info-am
+
+info-am:
+
+install-data-am: install-includeHEADERS
+
+install-dvi: install-dvi-am
+
+install-exec-am: install-libLTLIBRARIES
+
+install-html: install-html-am
+
+install-info: install-info-am
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-ps: install-ps-am
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-includeHEADERS uninstall-libLTLIBRARIES
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-TESTS check-am clean \
+	clean-checkPROGRAMS clean-generic clean-libLTLIBRARIES \
+	clean-libtool ctags distclean distclean-compile \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-includeHEADERS install-info install-info-am \
+	install-libLTLIBRARIES install-man install-pdf install-pdf-am \
+	install-ps install-ps-am install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags uninstall uninstall-am uninstall-includeHEADERS \
+	uninstall-libLTLIBRARIES
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/cdTimeConv.c b/src/cdTimeConv.c
new file mode 100644
index 0000000..27120d5
--- /dev/null
+++ b/src/cdTimeConv.c
@@ -0,0 +1,1082 @@
+/* -*-Mode: C;-*-
+ * Module:      CDMS time conversion and arithmetic routines
+ *
+ * Copyright:	1995, Regents of the University of California
+ *		This software may not be distributed to others without
+ *		permission of the author.
+ *
+ * Author:      Bob Drach, Lawrence Livermore National Laboratory
+ *              drach at llnl.gov
+ *
+ * Version:     $Id: cdTimeConv.c,v 1.1 2008/06/30 16:07:44 ed Exp $
+ *
+ * Revision History:
+ *
+ * $Log: cdTimeConv.c,v $
+ * Revision 1.1  2008/06/30 16:07:44  ed
+ * Beginning merge of calandar stuff.
+ *
+ * Revision 1.1.1.1  1997/12/09 18:57:40  drach
+ * Copied from cirrus
+ *
+ * Revision 1.3  1996/09/09  18:28:33  drach
+ * - Cleaned up minor compilation warnings
+ *
+ * Revision 1.2  1996/04/04  18:29:04  drach
+ * - Added FORTRAN interface to time routines
+ * - Added function cdParseDeltaTime
+ *
+ * Revision 1.1  1996/02/21  23:56:47  drach
+ * - Overlayed cdtime routines in cdTimeConv.c:
+ * - Added seconds, julian calendar, changed include to cdmsint.h for old
+ *   time routines in timeArith.c and timeConv.c
+ *
+ *
+ */
+#include <stdio.h>
+#include <ctype.h>
+#include <math.h>
+#include <string.h>
+#include "cdmsint.h"
+
+void cdComp2RelMixed(cdCompTime ct, cdUnitTime unit, cdCompTime basetime, double *reltime);
+void cdRel2CompMixed(double reltime, cdUnitTime unit, cdCompTime basetime, cdCompTime *comptime);
+
+#define CD_DEFAULT_BASEYEAR "1979"	     /* Default base year for relative time (no 'since' clause) */
+#define VALCMP(a,b) ((a)<(b)?-1:(b)<(a)?1:0)
+
+/* Validate the component time, return 0 if valid, 1 if not */
+int
+cdValidateTime(cdCalenType timetype, cdCompTime comptime)
+{
+	if(comptime.month<1 || comptime.month>12){
+		cdError("Error on time conversion: invalid month = %hd\n",comptime.month);
+		return 1;
+	}
+	if(comptime.day<1 || comptime.day>31){
+		cdError("Error on time conversion: invalid day = %hd\n",comptime.day);
+		return 1;
+	}
+	if(comptime.hour<0.0 || comptime.hour>24.0){
+		cdError("Error on time conversion: invalid hour = %lf\n",comptime.hour);
+		return 1;
+	}
+	return 0;
+}
+
+/* Trim trailing whitespace, up to n characters. */
+/* If no whitespace up to the last character, set */
+/* the last character to null, else set the first */
+/* whitespace character to null. */
+void
+cdTrim(char* s, int n)
+{
+	char* c;
+
+	if(s==NULL)
+		return;
+	for(c=s; *c && c<s+n-1 && !isspace(*c); c++);
+	*c='\0';
+	return;
+}
+					     /* Map to old timetypes */
+int
+cdToOldTimetype(cdCalenType newtype, CdTimeType* oldtype)
+{
+	switch(newtype){
+	  case cdStandard:
+		*oldtype = CdChron;
+		break;
+	  case cdJulian:
+		*oldtype = CdJulianCal;
+		break;
+	  case cdNoLeap:
+		*oldtype = CdChronNoLeap;
+		break;
+	  case cd360:
+		*oldtype = CdChron360;
+		break;
+	  case cdClim:
+		*oldtype = CdClim;
+		break;
+	  case cdClimLeap:
+		*oldtype = CdClimLeap;
+		break;
+	  case cdClim360:
+		*oldtype = CdClim360;
+		break;
+	  default:
+		cdError("Error on relative units conversion, invalid timetype = %d",newtype);
+		return 1;
+	}
+	return 0;
+}
+
+/* Parse relative units, returning the unit and base component time. */
+/* Function returns 1 if error, 0 on success */
+int
+cdParseRelunits(cdCalenType timetype, char* relunits, cdUnitTime* unit, cdCompTime* base_comptime)
+{
+	char charunits[CD_MAX_RELUNITS];
+	char basetime_1[CD_MAX_CHARTIME];
+	char basetime_2[CD_MAX_CHARTIME];
+	char basetime[CD_MAX_CHARTIME];
+	int nconv;
+					     /* Parse the relunits */
+	nconv = sscanf(relunits,"%s since %s %s",charunits,basetime_1,basetime_2);
+	if(nconv==EOF || nconv==0){
+		cdError("Error on relative units conversion, string = %s\n",relunits);
+		return 1;
+	}
+
+					     /* Get the units */
+	cdTrim(charunits,CD_MAX_RELUNITS);
+	if(!strncmp(charunits,"sec",3) || !strcmp(charunits,"s")){
+		*unit = cdSecond;
+	}
+	else if(!strncmp(charunits,"min",3) || !strcmp(charunits,"mn")){
+		*unit = cdMinute;
+	}
+	else if(!strncmp(charunits,"hour",4) || !strcmp(charunits,"hr")){
+		*unit = cdHour;
+	}
+	else if(!strncmp(charunits,"day",3) || !strcmp(charunits,"dy")){
+		*unit = cdDay;
+	}
+	else if(!strncmp(charunits,"week",4) || !strcmp(charunits,"wk")){
+		*unit = cdWeek;
+	}
+	else if(!strncmp(charunits,"month",5) || !strcmp(charunits,"mo")){
+		*unit = cdMonth;
+	}
+	else if(!strncmp(charunits,"season",6)){
+		*unit = cdSeason;
+	}
+	else if(!strncmp(charunits,"year",4) || !strcmp(charunits,"yr")){
+		if(!(timetype & cdStandardCal)){
+			cdError("Error on relative units conversion: climatological units cannot be 'years'.\n");
+			return 1;
+		}
+		*unit = cdYear;
+	}
+	else {
+		cdError("Error on relative units conversion: invalid units = %s\n",charunits);
+		return 1;
+	}
+
+					     /* Build the basetime, if any (default is 1979), */
+					     /* or month 1 for climatological time. */
+	if(nconv == 1){
+		if(timetype & cdStandardCal)
+			strcpy(basetime,CD_DEFAULT_BASEYEAR);
+		else
+			strcpy(basetime,"1");
+	}
+					     /* Convert the basetime to component, then epochal (hours since 1970) */
+	else{
+		if(nconv == 2){
+			cdTrim(basetime_1,CD_MAX_CHARTIME);
+			strcpy(basetime,basetime_1);
+		}
+		else{
+			cdTrim(basetime_1,CD_MAX_CHARTIME);
+			cdTrim(basetime_2,CD_MAX_CHARTIME);
+			sprintf(basetime,"%s %s",basetime_1,basetime_2);
+		}
+	}
+
+	cdChar2Comp(timetype, basetime, base_comptime);
+
+	return 0;
+}
+
+/* Parse delta time. Return 0 if success, 1 on error. */
+int
+cdParseDeltaTime(cdCalenType timetype, char* deltaTime, double* value, cdUnitTime* unit){
+	char charunits[CD_MAX_TIME_DELTA];
+	int nconv;
+
+	nconv = sscanf(deltaTime,"%lf %s",value,charunits);
+	if(nconv==EOF || nconv==0){
+		cdError("Error on delta time conversion, string = %s",deltaTime);
+		return 1;
+	}
+	cdTrim(charunits,CD_MAX_TIME_DELTA);
+	if(!strncmp(charunits,"sec",3) || !strcmp(charunits,"s")){
+		*unit = cdSecond;
+	}
+	else if(!strncmp(charunits,"min",3) || !strcmp(charunits,"mn")){
+		*unit = cdMinute;
+	}
+	else if(!strncmp(charunits,"hour",4) || !strcmp(charunits,"hr")){
+		*unit = cdHour;
+	}
+	else if(!strncmp(charunits,"day",3) || !strcmp(charunits,"dy")){
+		*unit = cdDay;
+	}
+	else if(!strncmp(charunits,"week",4) || !strcmp(charunits,"wk")){
+		*unit = cdWeek;
+	}
+	else if(!strncmp(charunits,"month",5) || !strcmp(charunits,"mo")){
+		*unit = cdMonth;
+	}
+	else if(!strncmp(charunits,"season",6)){
+		*unit = cdSeason;
+	}
+	else if(!strncmp(charunits,"year",4) || !strcmp(charunits,"yr")){
+		if(!(timetype & cdStandardCal)){
+			cdError("Error on delta time conversion: climatological units cannot be 'years'.");
+			return 1;
+		}
+		*unit = cdYear;
+	}
+	else {
+		cdError("Error on delta time conversion: invalid units = %s",charunits);
+		return 1;
+	}
+	return 0;
+}
+
+void
+cdChar2Comp(cdCalenType timetype, char* chartime, cdCompTime* comptime)
+{
+	double sec;
+	int ihr, imin, nconv;
+	long year;
+	short day;
+	short month;
+
+	comptime->year = CD_NULL_YEAR;
+	comptime->month = CD_NULL_MONTH;
+	comptime->day = CD_NULL_DAY;
+	comptime->hour = CD_NULL_HOUR;
+	
+	if(timetype & cdStandardCal){
+		nconv = sscanf(chartime,"%ld-%hd-%hd %d:%d:%lf",&year,&month,&day,&ihr,&imin,&sec);
+		if(nconv==EOF || nconv==0){
+			cdError("Error on character time conversion, string = %s\n",chartime);
+			return;
+		}
+		if(nconv >= 1){
+			comptime->year = year;
+		}
+		if(nconv >= 2){
+			comptime->month = month;
+		}
+		if(nconv >= 3){
+			comptime->day = day;
+		}
+		if(nconv >= 4){
+			if(ihr<0 || ihr>23){
+				cdError("Error on character time conversion: invalid hour = %d\n",ihr);
+				return;
+			}
+			comptime->hour = (double)ihr;
+		}
+		if(nconv >= 5){
+			if(imin<0 || imin>59){
+				cdError("Error on character time conversion: invalid minute = %d\n",imin);
+				return;
+			}
+			comptime->hour += (double)imin/60.;
+		}
+		if(nconv >= 6){
+			if(sec<0.0 || sec>60.0){
+				cdError("Error on character time conversion: invalid second = %lf\n",sec);
+				return;
+			}
+			comptime->hour += sec/3600.;
+		}
+	}
+	else{				     /* Climatological */
+		nconv = sscanf(chartime,"%hd-%hd %d:%d:%lf",&month,&day,&ihr,&imin,&sec);
+		if(nconv==EOF || nconv==0){
+			cdError("Error on character time conversion, string = %s",chartime);
+			return;
+		}
+		if(nconv >= 1){
+			comptime->month = month;
+		}
+		if(nconv >= 2){
+			comptime->day = day;
+		}
+		if(nconv >= 3){
+			if(ihr<0 || ihr>23){
+				cdError("Error on character time conversion: invalid hour = %d\n",ihr);
+				return;
+			}
+			comptime->hour = (double)ihr;
+		}
+		if(nconv >= 4){
+			if(imin<0 || imin>59){
+				cdError("Error on character time conversion: invalid minute = %d\n",imin);
+				return;
+			}
+			comptime->hour += (double)imin/60.;
+		}
+		if(nconv >= 5){
+			if(sec<0.0 || sec>60.0){
+				cdError("Error on character time conversion: invalid second = %lf\n",sec);
+				return;
+			}
+			comptime->hour += sec/3600.;
+		}
+	}
+	(void)cdValidateTime(timetype,*comptime);
+	return;
+}
+void
+cdChar2Rel(cdCalenType timetype, char* chartime, char* relunits, double* reltime)
+{
+	cdCompTime comptime;
+
+	cdChar2Comp(timetype, chartime, &comptime);
+	cdComp2Rel(timetype, comptime, relunits, reltime);
+	return;
+}
+void
+cdComp2Char(cdCalenType timetype, cdCompTime comptime, char* time)
+{
+	double dtmp, sec;
+	int ihr, imin;
+	int nskip;
+
+	if(cdValidateTime(timetype,comptime))
+		return;
+	
+	ihr = (int)comptime.hour;
+	dtmp = 60.0 * (comptime.hour - (double)ihr);
+	imin = (int)dtmp;
+	sec = 60.0 * (dtmp - (double)imin);
+
+	nskip = 0;
+	if(sec == 0.0){
+		if(imin == 0)
+			nskip = 2;
+		else
+			nskip = 1;
+	}
+
+	if(timetype & cdStandardCal){
+		if(nskip == 0)
+			sprintf(time,"%ld-%hd-%hd %d:%d:%lf",comptime.year,comptime.month,comptime.day,ihr,imin,sec);
+		else if(nskip == 1)
+			sprintf(time,"%ld-%hd-%hd %d:%d",comptime.year,comptime.month,comptime.day,ihr,imin);
+		else
+			sprintf(time,"%ld-%hd-%hd %d:0",comptime.year,comptime.month,comptime.day,ihr);
+	}
+	else {				     /* Climatological */
+		if(nskip == 0)
+			sprintf(time,"%hd-%hd %d:%d:%lf",comptime.month,comptime.day,ihr,imin,sec);
+		else if(nskip == 1)
+			sprintf(time,"%hd-%hd %d:%d",comptime.month,comptime.day,ihr,imin);
+		else
+			sprintf(time,"%hd-%hd %d:0",comptime.month,comptime.day,ihr);
+	}
+	return;
+}
+void
+cdComp2Rel(cdCalenType timetype, cdCompTime comptime, char* relunits, double* reltime)
+{
+	cdCompTime base_comptime;
+	CdDeltaTime deltime;
+	CdTime humantime;
+	CdTimeType old_timetype;
+	cdUnitTime unit;
+	double base_etm, etm, delta;
+	long ndel, hoursInYear;
+	
+					     /* Parse the relunits */
+	if(cdParseRelunits(timetype, relunits, &unit, &base_comptime))
+		return;
+
+					     /* Handle mixed Julian/Gregorian calendar */
+	if (timetype == cdMixed){
+		switch(unit){
+		case cdWeek: case cdDay: case cdHour: case cdMinute: case cdSecond:
+			cdComp2RelMixed(comptime, unit, base_comptime, reltime);
+			return;
+		case cdYear: case cdSeason: case cdMonth:
+			timetype = cdStandard;
+			break;
+		   default:
+		      break;
+		}
+	}
+	
+					     /* Convert basetime to epochal */
+	humantime.year = base_comptime.year;
+	humantime.month = base_comptime.month;
+	humantime.day = base_comptime.day;
+	humantime.hour = base_comptime.hour;
+	humantime.baseYear = 1970;
+					     /* Map to old-style timetype */
+	if(cdToOldTimetype(timetype,&old_timetype))
+		return;
+	humantime.timeType = old_timetype;
+	Cdh2e(&humantime,&base_etm);
+
+					     /* Map end time to epochal */
+	humantime.year = comptime.year;
+	humantime.month = comptime.month;
+	humantime.day = comptime.day;
+	humantime.hour = comptime.hour;
+	Cdh2e(&humantime,&etm);
+					     /* Calculate relative time value for months or hours */
+	deltime.count = 1;
+	deltime.units = (CdTimeUnit)unit;
+	switch(unit){
+	  case cdWeek: case cdDay: case cdHour: case cdMinute: case cdSecond:
+		delta = etm - base_etm;
+		if(!(timetype & cdStandardCal)){	/* Climatological time */
+			hoursInYear = (timetype & cd365Days) ? 8760. : (timetype & cdHasLeap) ? 8784. : 8640.;
+					     /* Normalize delta to interval [0,hoursInYear) */
+			if(delta < 0.0 || delta >= hoursInYear)
+				delta -= hoursInYear * floor(delta/hoursInYear);
+		}
+		break;
+	  case cdYear: case cdSeason: case cdMonth:
+		CdDivDelTime(base_etm, etm, deltime, old_timetype, 1970, &ndel);
+		break;
+	}
+
+					     /* Convert to output units */
+	switch(unit){
+	  case cdSecond:
+		*reltime = 3600.0 * delta;
+		break;
+	  case cdMinute:
+		*reltime = 60.0 * delta;
+		break;
+	  case cdHour:
+		*reltime = delta;
+		break;
+	  case cdDay:
+		*reltime = delta/24.0;
+		break;
+	  case cdWeek:
+		*reltime = delta/168.0;
+		break;
+	  case cdMonth: case cdSeason: case cdYear: /* Already in correct units */
+		if(timetype & cdStandardCal)
+			*reltime = (base_etm <= etm) ? (double)ndel : (double)(-ndel);
+		else			     /* Climatological time is already normalized*/
+			*reltime = (double)ndel;
+		break;
+	}
+
+	return;
+}
+void
+cdRel2Char(cdCalenType timetype, char* relunits, double reltime, char* chartime)
+{
+	cdCompTime comptime;
+
+	cdRel2Comp(timetype, relunits, reltime, &comptime);
+	cdComp2Char(timetype, comptime, chartime);
+
+	return;
+}
+void
+cdRel2Comp(cdCalenType timetype, char* relunits, double reltime, cdCompTime* comptime)
+{
+	CdDeltaTime deltime;
+	CdTime humantime;
+	CdTimeType old_timetype;
+	cdCompTime base_comptime;
+	cdUnitTime unit, baseunits;
+	double base_etm, result_etm;
+	double delta;
+	long idelta;
+
+					     /* Parse the relunits */
+	if(cdParseRelunits(timetype, relunits, &unit, &base_comptime))
+		return;
+
+	if (timetype == cdMixed){
+		switch(unit){
+		case cdWeek: case cdDay: case cdHour: case cdMinute: case cdSecond:
+			cdRel2CompMixed(reltime, unit, base_comptime, comptime);
+			return;
+		case cdYear: case cdSeason: case cdMonth:
+			timetype = cdStandard;
+			break;
+		}
+	}
+
+	switch(unit){
+	  case cdSecond:
+		delta = reltime/3600.0;
+		baseunits = cdHour;
+		break;
+	  case cdMinute:
+		delta = reltime/60.0;
+		baseunits = cdHour;
+		break;
+	  case cdHour:
+		delta = reltime;
+		baseunits = cdHour;
+		break;
+	  case cdDay:
+		delta = 24.0 * reltime;
+		baseunits = cdHour;
+		break;
+	  case cdWeek:
+		delta = 168.0 * reltime;
+		baseunits = cdHour;
+		break;
+	  case cdMonth:
+		idelta = (long)(reltime + (reltime<0 ? -1.e-10 : 1.e-10));
+		baseunits = cdMonth;
+		break;
+	  case cdSeason:
+		idelta = (long)(3.0 * reltime + (reltime<0 ? -1.e-10 : 1.e-10));
+		baseunits = cdMonth;
+		break;
+	  case cdYear:
+		idelta = (long)(12 * reltime + (reltime<0 ? -1.e-10 : 1.e-10));
+		baseunits = cdMonth;
+		break;
+	}
+
+	deltime.count = 1;
+	deltime.units = (CdTimeUnit)baseunits;
+
+	humantime.year = base_comptime.year;
+	humantime.month = base_comptime.month;
+	humantime.day = base_comptime.day;
+	humantime.hour = base_comptime.hour;
+	humantime.baseYear = 1970;
+					     /* Map to old-style timetype */
+	if(cdToOldTimetype(timetype,&old_timetype))
+		return;
+	humantime.timeType = old_timetype;
+
+	Cdh2e(&humantime,&base_etm);
+					     /* If months, seasons, or years, */
+	if(baseunits == cdMonth){
+
+					     /* Calculate new epochal time from integer months. */
+					     /* Convert back to human, then comptime. */
+					     /* For zero reltime, just return the basetime*/
+		if(reltime != 0.0){
+			CdAddDelTime(base_etm,idelta,deltime,old_timetype,1970,&result_etm);
+			Cde2h(result_etm, old_timetype, 1970, &humantime);
+		}
+	}
+					     /* Calculate new epochal time. */
+					     /* Convert back to human, then comptime. */
+	else{
+		Cde2h(base_etm+delta, old_timetype, 1970, &humantime);
+		
+	}
+	comptime->year = humantime.year;
+	comptime->month = humantime.month;
+	comptime->day = humantime.day;
+	comptime->hour = humantime.hour;
+
+	return;
+}
+void
+cdRel2Rel(cdCalenType timetype, char* relunits, double reltime, char* outunits, double* outtime)
+{
+	cdCompTime comptime;
+
+	cdRel2Comp(timetype, relunits, reltime, &comptime);
+	cdComp2Rel(timetype, comptime, outunits, outtime);
+	return;
+}
+
+/* ----------------------------------------------------------------------------------------------*/
+/* Absolute time routines */
+
+					     /* Parse absolute time units, returning */
+					     /* the unit and format components. */
+					     /* For example, "day as %Y%m%d.f" returns */
+					     /* a unit of cdDay, and components [cdYear,cdMonth, */
+					     /* cdDay,cdFraction]. ncompon is the number of components. */
+					     /* Returns 1 on success, 0 on error. */
+int
+cdParseAbsunits(char *absunits, cdUnitTime *unit, int *ncompon, cdUnitTime compon[]){
+	int nconv;
+	char charunits[CD_MAX_ABSUNITS];
+	char format[CD_MAX_ABSUNITS];
+	char *c;
+	int iform;
+
+	nconv = sscanf(absunits,"%s as %s",charunits,format);
+	if(nconv==EOF || nconv<2){
+		cdError("Error on absolute units conversion, string = %s\n",absunits);
+		return 1;
+	}
+	cdTrim(charunits,CD_MAX_ABSUNITS);
+	if(!strncmp(charunits,"hour",4)){
+		*unit = cdHour;
+	}
+	else if(!strncmp(charunits,"day",3)){
+		*unit = cdDay;
+	}
+	else if(!strncmp(charunits,"calendar_month",14)){
+		*unit = cdMonth;
+	}
+	else if(!strncmp(charunits,"calendar_year",13)){
+		*unit = cdYear;
+	}
+	else if(!strncmp(charunits,"min",3)){
+		*unit = cdMinute;
+	}
+	else if(!strncmp(charunits,"sec",3)){
+		*unit = cdSecond;
+	}
+	else {
+		cdError("Error on absolute units conversion: invalid units = %s\n",charunits);
+		return 1;
+	}
+
+					     /* Parse the format */
+	for(c=format, iform=0; *c && iform<CD_MAX_ABS_COMPON; c++){
+		if(*c=='.')
+			continue;
+		else if(*c=='%'){
+			c++;
+			switch(*c){
+			case 'Y':
+				compon[iform++]=cdYear;
+				break;
+			case 'm':
+				compon[iform++]=cdMonth;
+				break;
+			case 'd':
+				compon[iform++]=cdDay;
+				break;
+			case 'H':
+				compon[iform++]=cdHour;
+				break;
+			case 'M':
+				compon[iform++]=cdMinute;
+				break;
+			case 'S':
+				compon[iform++]=cdSecond;
+				break;
+			case 'f':
+				compon[iform++]=cdFraction;
+				break;
+			default:
+				cdError("Error on absolute units conversion: invalid format = %s\n",format);
+				return 1;
+				
+			}
+		}
+		else {
+			cdError("Error on absolute units conversion: invalid format = %s\n",format);
+			return 1;
+		}
+	}
+	*ncompon=iform;
+	return 0;
+}
+
+					     /* Convert absolute time to component time. */
+					     /* frac is the fractional part, or 0.0 if */
+					     /* abstimetype is cdInt. */
+					     /* */
+					     /* Note: for formats which incorporate the */
+					     /* diurnal phase, the fractional part is */
+					     /* incorporated into comptime->hour. */
+					     /* Return 0 on success, 1 on failure. */
+int 
+cdAbs2Comp(char *absunits, void *abstime, cdType abstimetype, cdCompTime *comptime, double *frac){
+	cdUnitTime unit;
+	int ncompon;
+	cdUnitTime compon[CD_MAX_ABS_COMPON];
+	double dabstime, fraction;
+	long iabstime;
+	int iform;
+
+					     /* Parse the absunits */
+	if (cdParseAbsunits(absunits, &unit, &ncompon, compon)==1)
+		return 1;
+
+					     /* Break the time into integer and fractional parts */
+	switch(abstimetype){
+	case cdFloat:
+		dabstime = (double)(*(float *)abstime);
+		iabstime = (long)dabstime;
+		fraction = dabstime-(double)iabstime;
+		break;
+	case cdDouble:
+		dabstime = *(double *)abstime;
+		iabstime = (long)dabstime;
+		fraction = dabstime-(double)iabstime;
+		break;
+	case cdInt:
+		iabstime = (long)(*(int *)abstime);
+		dabstime = (double)iabstime;
+		fraction = 0.0;
+		break;
+	case cdLong:
+		iabstime = *(long *)abstime;
+		dabstime = (double)iabstime;
+		fraction = 0.0;
+		break;
+	default:
+		cdError("Error converting absolute to component time: invalid datatype = %d\n",abstimetype);
+		return 1;
+	}
+
+					     /* Extract the components */
+	comptime->year = 0;
+	comptime->month = comptime->day = 1;
+	comptime->hour = 0.0;
+	for(iform=ncompon-1; iform>=0; iform--){
+		switch(compon[iform]){
+		case cdYear:
+			comptime->year = iabstime%10000;
+			iabstime /= 10000;
+			break;
+		case cdMonth:
+			comptime->month = iabstime%100;
+			iabstime /= 100;
+			break;
+		case cdDay:
+			comptime->day = iabstime%100;
+			iabstime /= 100;
+			break;
+		case cdHour:
+			comptime->hour = dabstime;
+			break;
+		case cdMinute:
+			comptime->hour = dabstime/60.0;
+			break;
+		case cdSecond:
+			comptime->hour = dabstime/3600.0;
+			break;
+		case cdFraction:
+			if (unit==cdDay)
+				comptime->hour = 24.0*fraction;
+			break;
+		}
+	}
+	*frac = fraction;
+	return 0;
+}
+
+					     /* Convert component to absolute time. */
+					     /* absunits is of the form "<unit> as <format>". */
+					     /* abstimetype is either cdFloat, cdDouble, or cdInt. */
+					     /* frac, the fractional part, is only used */
+					     /* if unit is cdMonth or cdYear, and */
+					     /* abstimetype is cdFloat or cdDouble. */
+					     /* Otherwise, it is derived from comptime.hour. */
+					     /* abstime is the absolute time returned. */
+					     /* The function returns 0 on success, 1 on failure. */
+
+int
+cdComp2Abs(cdCompTime comptime, char *absunits, cdType abstimetype, double frac, void *abstime){
+	cdUnitTime unit;
+	int ncompon;
+	cdUnitTime compon[CD_MAX_ABS_COMPON];
+	double dabstime;
+	long iabstime;
+	int iform;
+
+					     /* Parse the absunits */
+	if (cdParseAbsunits(absunits, &unit, &ncompon, compon)==1)
+		return 1;
+
+					     /* Set the absolute time */
+	iabstime = 0;
+	dabstime = 0.0;
+	for(iform=0; iform<ncompon; iform++){
+		switch(compon[iform]){
+		case cdYear:
+			iabstime = iabstime*10000+comptime.year;
+			dabstime = (double)iabstime;
+			break;
+		case cdMonth:
+			iabstime = iabstime*100+comptime.month;
+			dabstime = (double)iabstime;
+			break;
+		case cdDay:
+			iabstime = iabstime*100+comptime.day;
+			dabstime = (double)iabstime;
+			break;
+		case cdHour:
+			dabstime = comptime.hour;
+			iabstime = (long)dabstime;
+			break;
+		case cdMinute:
+			dabstime = 60.0*comptime.hour;
+			iabstime = (long)dabstime;
+			break;
+		case cdSecond:
+			dabstime = 3600.0*comptime.hour;
+			iabstime = (long)dabstime;
+			break;
+		case cdFraction:
+			if (unit==cdDay)
+				dabstime += comptime.hour/24.0;
+			else if(unit==cdYear)
+				dabstime += frac;
+			else if(unit==cdMonth)
+				dabstime += frac;
+			break;
+		}
+	}
+
+					     /* Cast to the specified datatype */
+	switch(abstimetype){
+	case cdFloat:
+		*(float *)abstime = (float)dabstime;
+		break;
+	case cdDouble:
+		*(double *)abstime = dabstime;
+		break;
+	case cdInt:
+		*(int *)abstime = (int)iabstime;
+		break;
+	case cdLong:
+		*(long *)abstime = iabstime;
+		break;
+	default:
+		cdError("Error converting component to absolute time: invalid datatype = %d\n",abstimetype);
+		return 1;
+	}
+	return 0;
+}
+
+					     /* Return 1 if the time and units are a valid relative */
+					     /* time, 0 if not. If comptime is non-null, return the */
+					     /* components */
+int
+cdDecodeRelativeTime(cdCalenType timetype, char* units, double time, cdCompTime* comptime){
+	int saveOpts, saveOccurred, err;
+	cdCompTime ctime, *pctime;
+
+	pctime = (comptime ? comptime : &ctime);
+
+	saveOpts = cuErrOpts;
+	saveOccurred = cuErrorOccurred;
+	cuErrOpts = 0;			     /* Turn off error reporting */
+
+					     /* If it's absolute, it's not relative */
+	if (cdDecodeAbsoluteTime(units, &time, cdDouble, 0, 0)){
+		cuErrOpts = saveOpts;
+		return 0;
+	}
+	cuErrorOccurred = 0;
+	cdRel2Comp(timetype, units, time, pctime);
+
+	err = (cuErrorOccurred==0);
+	cuErrOpts = saveOpts;
+	cuErrorOccurred = saveOccurred;
+	return err;
+}
+
+					     /* Return 1 if the time and units are a valid absolute */
+					     /* time, 0 if not.*/
+int
+cdDecodeAbsoluteTime(char* units, void* time, cdType abstimetype, cdCompTime* comptime, double* fraction){
+	int saveOpts, err;
+	cdCompTime ctime, *pctime;
+	double frac, *pfrac;
+
+	pctime = (comptime ? comptime : &ctime);
+	pfrac = (fraction ? fraction : &frac);
+
+	saveOpts = cuErrOpts;
+	cuErrOpts = 0;			     /* Turn off error reporting */
+	err = cdAbs2Comp(units, time, abstimetype, pctime, pfrac);
+	
+	cuErrOpts = saveOpts;
+	return (err==0);
+}
+/* ----------------------------------------------------------------------------------------------*/
+/* Mixed Julian/Gregorian calendar routines */
+
+					     /* Return value expressed in hours. */
+double
+cdToHours(double value, cdUnitTime unit){
+
+	double result;
+
+	switch(unit){
+	case cdSecond:
+		result = value/3600.0;
+		break;
+	case cdMinute:
+		result = value/60.0;
+		break;
+	case cdHour:
+		result = value;
+		break;
+	case cdDay:
+		result = 24.0 * value;
+		break;
+	case cdWeek:
+		result = 168.0 * value;
+		break;
+	}
+	return result;
+}
+					     /* Value is in hours. Translate to units. */
+double cdFromHours(double value, cdUnitTime unit){
+	double result;
+
+	switch(unit){
+	case cdSecond:
+		result = value * 3600.0;
+		break;
+	case cdMinute:
+		result = value * 60.0;
+		break;
+	case cdHour:
+		result = value;
+		break;
+	case cdDay:
+		result = value/24.0;
+		break;
+	case cdWeek:
+		result = value/168.0;
+		break;
+	}
+	return result;
+}
+
+					     /* Add (value,unit) to comptime. */
+					     /* value is in hours. */
+					     /* calendar is anything but cdMixed. */
+void
+cdCompAdd(cdCompTime comptime, double value, cdCalenType calendar, cdCompTime *result){
+
+	double reltime;
+
+	cdComp2Rel(calendar, comptime, "hours", &reltime);
+	reltime += value;
+	cdRel2Comp(calendar, "hours", reltime, result);
+	return;
+}
+
+					     /* ca - cb in Julian calendar */
+					     /* Result is in hours. */
+double
+cdDiffJulian(cdCompTime ca, cdCompTime cb){
+
+	double rela, relb;
+
+	cdComp2Rel(cdJulian, ca, "hours", &rela);
+	cdComp2Rel(cdJulian, cb, "hours", &relb);
+	return (rela - relb);
+}
+
+					     /* ca - cb in Gregorian calendar */
+					     /* Result is in hours. */
+double
+cdDiffGregorian(cdCompTime ca, cdCompTime cb){
+
+	double rela, relb;
+
+	cdComp2Rel(cdStandard, ca, "hours", &rela);
+	cdComp2Rel(cdStandard, cb, "hours", &relb);
+	return (rela - relb);
+}
+
+					     /* Return -1, 0, 1 as ca is less than, equal to, */
+					     /* or greater than cb, respectively. */
+int cdCompCompare(cdCompTime ca, cdCompTime cb){
+
+	int test;
+
+	if ((test = VALCMP(ca.year, cb.year)))
+		return test;
+	else if ((test = VALCMP(ca.month, cb.month)))
+		return test;
+	else if ((test = VALCMP(ca.day, cb.day)))
+		return test;
+	else
+		return (test = VALCMP(ca.hour, cb.hour));
+}
+
+					     /* ca - cb in mixed Julian/Gregorian calendar. */
+					     /* Result is in hours. */
+double
+cdDiffMixed(cdCompTime ca, cdCompTime cb){
+
+	static cdCompTime ZA = {1582, 10, 5, 0.0};
+	static cdCompTime ZB = {1582, 10, 15, 0.0};
+	double result;
+
+	if (cdCompCompare(cb, ZB) == -1){
+		if (cdCompCompare(ca, ZB) == -1) {
+			result = cdDiffJulian(ca, cb);
+		}
+		else {
+			result = cdDiffGregorian(ca, ZB) + cdDiffJulian(ZA, cb);
+		}
+	}
+	else {
+		if (cdCompCompare(ca, ZB) == -1){
+			result = cdDiffJulian(ca, ZA) + cdDiffGregorian(ZB, cb);
+		}
+		else {
+			result = cdDiffGregorian(ca, cb);
+		}
+	}
+	return result;
+}
+
+					     /* Add value in hours to ct, */
+					     /* in the mixed Julian/Gregorian calendar. */
+void
+cdCompAddMixed(cdCompTime ct, double value, cdCompTime *result){
+
+	static cdCompTime ZA = {1582, 10, 5, 0.0};
+	static cdCompTime ZB = {1582, 10, 15, 0.0};
+	double xj, xg;
+
+	if (cdCompCompare(ct, ZB) == -1){
+		xj = cdDiffJulian(ZA, ct);
+		if (value <= xj){
+			cdCompAdd(ct, value, cdJulian, result);
+		}
+		else {
+			cdCompAdd(ZB, value-xj, cdStandard, result);
+		}
+	}
+	else {
+		xg = cdDiffGregorian(ZB, ct);
+		if (value > xg){
+			cdCompAdd(ct, value, cdStandard, result);
+		}
+		else {
+			cdCompAdd(ZA, value-xg, cdJulian, result);
+		}
+	}
+	return;
+}
+
+					     /* Convert ct to relunits (unit, basetime) */
+					     /* in the mixed Julian/Gregorian calendar. */
+					     /* unit is anything but year, season, month. unit and basetime are */
+					     /* from the parsed relunits. Return result in reltime. */
+void
+cdComp2RelMixed(cdCompTime ct, cdUnitTime unit, cdCompTime basetime, double *reltime){
+
+	double hourdiff;
+
+	hourdiff = cdDiffMixed(ct, basetime);
+	*reltime = cdFromHours(hourdiff, unit);
+	return;
+}
+
+					     /* Convert relative time (reltime, unit, basetime) to comptime in the */
+					     /* mixed Julian/Gregorian calendar. unit is anything but */
+					     /* year, season, month. unit and basetime are */
+					     /* from the parsed relunits. Return result in comptime. */
+void
+cdRel2CompMixed(double reltime, cdUnitTime unit, cdCompTime basetime, cdCompTime *comptime){
+
+	reltime = cdToHours(reltime, unit);
+	cdCompAddMixed(basetime, reltime, comptime);
+	return;
+}
diff --git a/src/cddrs.h b/src/cddrs.h
new file mode 100644
index 0000000..9556bdc
--- /dev/null
+++ b/src/cddrs.h
@@ -0,0 +1,154 @@
+/* -*-Mode: C;-*-
+ * Module:      cddrs.h - include file for C DRS wrapper routines
+ *
+ * Copyright:	1994, Regents of the University of California
+ *		This software may not be distributed to others without
+ *		permission of the author.
+ *
+ * Author:      Bob Drach, Lawrence Livermore National Laboratory
+ *              drach at llnl.gov
+ *
+ * Version:     $Id: cddrs.h,v 1.1 2008/06/30 16:07:44 ed Exp $
+ *
+ * Revision History:
+ *
+ * $Log: cddrs.h,v $
+ * Revision 1.1  2008/06/30 16:07:44  ed
+ * Beginning merge of calandar stuff.
+ *
+ * Revision 1.13  1997/09/26  21:45:26  drach
+ * - Added HDF
+ * - Repaired fouled up cddrs includes
+ *
+ * Revision 1.10  1995/07/12  22:07:49  drach
+ * - Add cw_get_fileid function
+ *
+ * Revision 1.9  1995/06/09  22:44:15  drach
+ * Added extensions for string length and dimension types
+ *
+ * Revision 1.8  1995/02/15  20:54:58  drach
+ * - Added IDRS_VECTOR as synonym for IDRS_UNEQUALLY_SPACED
+ *
+ * Revision 1.7  1995/01/21  00:52:24  drach
+ * - Added compatibility defines
+ *
+ * Revision 1.6  1995/01/18  02:53:05  drach
+ * - Added majority flags
+ *
+ * Revision 1.5  1995/01/13  01:02:30  drach
+ * Added getnd prototype
+ *
+ * Revision 1.4  1994/12/17  00:42:37  drach
+ * - removed CW_MAX_LU (use CU_MAX_LU in cdunif instead)
+ *
+ * Revision 1.3  1994/12/16  00:44:43  drach
+ * - Included drscdf.h
+ *
+ * Revision 1.2  1994/12/14  02:32:43  drach
+ * - Modified extern function declarations
+ * - Added CwRoundPolicy typedef
+ * - Added null defs
+ *
+ * Revision 1.1  1994/11/23  22:56:22  drach
+ * Initial version.
+ *
+ *
+ */
+
+#ifndef __cddrs_h
+#define __cddrs_h
+
+#include "drscdf.h"
+
+#define CW_STRING_NULL " "		     /* Null character string */
+#define CW_FLOAT_NULL 1.0e20		     /* Null float arg */
+#define CW_FLOAT_DELTA 1.0e14		     /* Treat floats as null if = CW_FLOAT_NULL +/- CW_FLOAT_DELTA */
+#define CW_INT_NULL 0			     /* Null int arg */
+#define CW_MAX_NAME 128			     /* Max characters in a name (= CU_MAX_NAME) */
+#define IDRS_VECTOR IDRS_UNEQUALLY_SPACED    /* Synonym for unequally-spaced dimension flag */
+
+					     /* For compatibility with older versions of drscdf.h */
+#ifndef __EXTENDED_DRS_DATATYPES
+#define __EXTENDED_DRS_DATATYPES
+#define IDRS_I1 7
+#define IDRS_I2 8
+#define IDRS_IEEE_R8 9
+#define IDRS_CRAY_R16 10
+#define IDRS_IEEE_R16 11
+#endif
+
+typedef enum {CW_ROUND_NEAREST = 1, CW_ROUND_UP, CW_ROUND_DOWN, CW_RANGE} CwRoundPolicy;
+typedef enum {CW_C_MAJORITY = 1, CW_FORTRAN_MAJORITY} CwMajority;
+typedef enum {CW_STANDARD = 1, CW_EXTENDED} CwExtensionOption;
+typedef enum {CW_LOCAL = 1, CW_SHARED, CW_IMPLICIT_SHARED} CwDimensionType;
+
+#undef PROTO
+#if defined(__STDC__) || (OS_NAME == AIX)
+#define PROTO(x) x
+#else
+#define PROTO(x) ()
+#endif
+
+extern int cw_aslun PROTO((int lud,char* dicfil,int lu,char* datfil,int istat));
+extern int cw_cllun PROTO((int lu));
+extern int cw_cluvdb PROTO((void));
+extern int cw_drstest PROTO((int ierr));
+extern int cw_getdat PROTO((int lu,void* a,int isize));
+extern int cw_getcdim PROTO((int idim,char* source,char* name,char* title,char* units,int* dtype,int reqlen,float* var,int* retlen));
+extern int cw_getcdimD PROTO((int idim,char* source,char* name,char* title,char* units,int* dtype,int reqlen,double* var,int* retlen));
+extern int cw_getedim PROTO((int n,char* dsrc,char* dna,char* dti,char* dun,int* dtype,int* idim,float* df,float* dl));
+extern int cw_getedimD PROTO((int n,char* dsrc,char* dna,char* dti,char* dun,int* dtype,int* idim,double* df,double* dl));
+extern int cw_getelemd PROTO((int* type,int* bpe));
+extern int cw_get_fileid PROTO((int lu));
+extern int cw_getname PROTO((char* source,char* name,char* title,char* units,char* date,char* time,char* typed,int* nd));
+extern int cw_getnd PROTO((int* nd));
+extern int cw_getrge2 PROTO((int lu,int idim,double elem1,double elem2,int* ind1,int* ind2,float* dlow,float* dhigh));
+extern int cw_getrge2D PROTO((int lu,int idim,double elem1,double elem2,int* ind1,int* ind2,double* dlow,double* dhigh));
+extern int cw_getslab PROTO((int lu,int rank,int* order,float* fe,float* le,float* cycle,void* data,int* datadim));
+extern int cw_inqdict PROTO((int lu,int oper));
+extern int cw_inqlun PROTO((int lu,char* datafile,int* nvar,float* version));
+extern int cw_majority PROTO((CwMajority majority));
+extern int cw_set_dimension_option PROTO((CwExtensionOption option));
+extern int cw_set_string_option PROTO((CwExtensionOption option));
+extern int cw_setdim PROTO((int n,char* dna,char* dun,int idim,double df,double dl));
+extern int cw_seterr PROTO((int ierrlun,int reportlevel));
+extern int cw_setname PROTO((char* source,char* name,char* title,char* units,char* typed));
+extern int cw_setvdim PROTO((int n,char* dso,char* dna,char* dti,char* dun,double df,double dl));
+
+					     /* Compatibility functions */
+extern int cw_putdat PROTO((int lu,void* a));
+extern int cw_putdic PROTO((int lu, int iopt));
+extern int cw_putvdim PROTO((int lu,int len,float* dimvar,int* i1,int* i2));
+extern int cw_setdate PROTO((char* date,char* time));
+extern int cw_setrep PROTO((int irep));
+
+#ifdef CDCOMPAT
+#define Aslun cw_aslun
+#define Cllun cw_cllun
+#define Cluvdb cw_cluvdb
+#define Drstest cw_drstest
+#define Getdat cw_getdat
+#define Getcdim cw_getcdim
+#define GetcdimD cw_getcdimD
+#define Getedim cw_getedim
+#define GetedimD cw_getedimD
+#define Getelemd cw_getelemd
+#define Getname cw_getname
+#define Getnd cw_getnd
+#define Getrge2 cw_getrge2
+#define Getslab cw_getslab
+#define Inqdict cw_inqdict
+#define Inqlun cw_inqlun
+#define Majority cw_majority
+#define Setdim cw_setdim
+#define Seterr cw_seterr
+#define Setname cw_setname
+#define Setvdim cw_setvdim
+#define Putdat cw_putdat
+#define Putdic cw_putdic
+#define Putvdim cw_putvdim
+#define Setdate cw_setdate
+#define Setrep cw_setrep
+#endif
+
+#endif
diff --git a/src/cdms.h b/src/cdms.h
new file mode 100644
index 0000000..c3c7c95
--- /dev/null
+++ b/src/cdms.h
@@ -0,0 +1,317 @@
+/*
+ * Module:      cdms.h - CDMS user-level definitions
+ *
+ * Copyright:	1994, Regents of the University of California
+ *		This software may not be distributed to others without
+ *		permission of the author.
+ *
+ * Author:      Bob Drach, Lawrence Livermore National Laboratory
+ *              drach at llnl.gov
+ *
+ * Version:     $Id: cdms.h,v 1.1 2008/06/30 16:07:44 ed Exp $
+ *
+ * Revision History:
+ *
+ * $Log: cdms.h,v $
+ * Revision 1.1  2008/06/30 16:07:44  ed
+ * Beginning merge of calandar stuff.
+ *
+ * Revision 1.1.1.1  1997/12/09 18:57:39  drach
+ * Copied from cirrus
+ *
+ * Revision 1.11  1997/11/24  17:28:03  drach
+ * - Added QL package to cdunif
+ * - Added NdimIntersect function to CDMS
+ *
+ * Revision 1.10  1997/11/10  19:22:28  drach
+ * - Added cuvargets to cdunif, cdSlabRead to cdms
+ *
+ * Revision 1.9  1997/10/24  18:23:34  drach
+ * - Cache netCDF unlimited dimensions
+ * - Consistent with GrADS src170
+ *
+ * Revision 1.8  1996/04/04  21:48:02  drach
+ * - Minor fix for SGI version
+ *
+ * Revision 1.7  1996/04/04  18:27:02  drach
+ * - Added CDMS inquiry, lookup, open, and internal routines
+ *
+ * Revision 1.6  1996/02/23  01:21:21  drach
+ * - Moved most of cdms.h to cdmsint.h (original in cdms_v1.h)
+ * - Added new time model declarations to cdms.h
+ * - Added -DNO_DECLARE flag to fcddrs.h
+ *
+ * Revision 1.5  1994/11/17  20:02:29  drach
+ * Moved #endif
+ *
+ * Revision 1.4  1994/10/25  00:58:51  drach
+ * - Added dset and var tags for get functions
+ * - Added CdDeleteDset and CdDeleteVar prototypes
+ *
+ * Revision 1.3  1994/08/12  21:45:33  drach
+ * - modified access fields to longs
+ * - added dimension directions to order struct
+ * - changed geom floats to doubles
+ * - added level, sset struct
+ * - changed varHandle args to var
+ * - added templates for new routines
+ *
+ * Revision 1.2  1994/07/19  23:57:53  drach
+ * - Added CdMinute
+ * - changed unsigned struct components to signed
+ *
+ * Revision 1.1  1994/07/13  18:29:29  drach
+ * Initial version
+ *
+ *
+ */
+
+
+/*
+ * =================================================================
+ *			Macros and Enums
+ * =================================================================
+ */
+#ifndef _CDMS_H
+#define _CDMS_H
+
+#include "cddrs.h"
+#include "cdunif.h"
+
+#define CD_ATT_MAX 10240		     /* Max bytes in attribute */
+#define CD_DEFAULT_DB 0
+#define CD_DIM_OFFSET 0x80000		     /* Dimension ID offset */
+#define CD_GLOBAL 0			     /* Null variable ID */
+#define CD_GLOB_DIM_OFFSET 0x200000	     /* Global dimension offset */
+#define CD_GLOB_GRID_OFFSET 0x400000	     /* Global grid offset */
+#define CD_GRID_OFFSET 0x100000		     /* Grid ID offset */
+#define CD_LAST_DAY -1			     /* Last day of month */
+#define CD_MAX_ABSUNITS 64		     /* Max characters in absolute units */
+#define CD_MAX_ABS_COMPON 7		     /* Max components in absolute time format */
+#define CD_MAX_CHARTIME 48		     /* Max characters in character time */
+#define CD_MAX_NAME CU_MAX_NAME		     /* Max characters in a name */
+#define CD_MAX_PATH CU_MAX_PATH		     /* Max characters in a file pathname */
+#define CD_MAX_RELUNITS 64		     /* Max characters in relative units */
+#define CD_MAX_TIME_DELTA 64		     /* Max characters in time delta */
+#define CD_MAX_VAR_COMPS 32		     /* Max number of variable components */
+#define CD_MAX_VAR_DIMS CU_MAX_VAR_DIMS	     /* Max dimensions in a variable */
+#define CD_NULL_DAY 1			     /* Null day value */
+#define CD_NULL_HOUR 0.0		     /* Null hour value */
+#define CD_NULL_ID 0			     /* Reserved ID */
+#define CD_NULL_MONTH 1			     /* Null month value */
+#define CD_NULL_YEAR 0			     /* Null year value, component time */
+#define CD_ROOT_ENV "CDMSROOT"		     /* CDMS root environment variable */
+#define CD_SUCCESS 0
+
+typedef enum cdType {cdInvalidType = -1,
+			     cdByte = CuByte,
+			     cdChar = CuChar,
+			     cdShort = CuShort,
+			     cdInt = CuInt,
+			     cdLong = CuLong,
+			     cdFloat = CuFloat,
+			     cdDouble = CuDouble,
+			     cdLongDouble = CuLongDouble,
+			     cdCharTime
+} cdType;
+
+typedef enum cdIntersectPolicy {cdRoundNearest = CW_ROUND_NEAREST,
+			    cdRange = CW_RANGE
+} cdIntersectPolicy;
+
+typedef enum cdRepresent {cdExternalArray = 1, cdInternalArray, cdLinearRep} cdRepresent;
+typedef enum cdOpenMode {cdReadOnly = 1, cdReadWrite} cdOpenMode;
+typedef enum cdGridType {cdRectangular = 1, cdZonal, cdMeridional, cdProjected, cdQuasiRegular} cdGridType;
+typedef enum cdDimType {cdLongitude = 1, cdLatitude, cdLevel, cdCalendar, cdClimatology,
+				cdMonotonic} cdDimType;
+typedef enum cdDimShape {cdLinearShape = 1, cdWrapped} cdDimShape;
+typedef enum cdPolygonType {cdBox = 1, cdAnnulus, cdLoc, cdPoly, cdGlobal} cdPolygonType;
+typedef enum cdMonths {cdJan = 1, cdFeb, cdMar, cdApr, cdMay, cdJun, cdJul, cdAug,
+			       cdSep, cdOct, cdNov, cdDec } cdMonths;
+typedef enum cdSeasons {cdDJF = cdDec,	/* DJF */
+				cdMAM = cdMar,		/* MAM */
+				cdJJA = cdJun,		/* JJA */
+				cdSON = cdSep} cdSeasons;		/* SON */
+
+typedef enum cdIntersectOpt {cdSubset = 1, cdPoint, cdIntersect} cdIntersectOpt;
+
+enum cdLevelType {cdUnknown=0, cdTwoMeter, cdAtmosphere, cdHybrid, cdPressure, cdSeaLevel, cdSigma, cdSkin,
+			   cdSoil, cdSurface, cdTopAtmos};
+
+					     /* Dean's DRS-like functions */
+
+typedef enum {CE_C_MAJORITY = 1, CE_FORTRAN_MAJORITY} CeMajority;
+#define CU_C_MAJORITY CE_C_MAJORITY
+#define CU_FORTRAN_MAJORITY CE_FORTRAN_MAJORITY
+
+                                             /* Note: if time stuff changes, so should fcdms.h!!  */
+#define cdStandardCal   0x11
+#define cdClimCal        0x0
+#define cdHasLeap      0x100
+#define cdHasNoLeap    0x000
+#define cd365Days     0x1000
+#define cd360Days     0x0000
+#define cdJulianCal  0x10000
+#define cdMixedCal   0x20000
+
+typedef enum cdCalenType {
+	cdStandard    = ( cdStandardCal | cdHasLeap   | cd365Days),
+	cdJulian      = ( cdStandardCal | cdHasLeap   | cd365Days | cdJulianCal),
+	cdNoLeap      = ( cdStandardCal | cdHasNoLeap | cd365Days),
+	cd360         = ( cdStandardCal | cdHasNoLeap | cd360Days),
+	cdClim        = ( cdClimCal     | cdHasNoLeap | cd365Days),
+	cdClimLeap    = ( cdClimCal     | cdHasLeap   | cd365Days),
+	cdClim360     = ( cdClimCal     | cdHasNoLeap | cd360Days),
+	cdMixed       = ( cdStandardCal | cdHasLeap   | cd365Days | cdMixedCal)
+}  cdCalenType;
+
+/*
+ * =================================================================
+ *			Structures
+ * =================================================================
+ */
+
+/* Component time */
+typedef struct {
+	long 		year;		     /* Year */
+	short 		month;		     /* Numerical month (1..12) */
+	short 		day;		     /* Day of month (1..31) */
+	double 		hour;		     /* Hour and fractional hours */
+} cdCompTime;
+
+/*
+ * =================================================================
+ *			Function Prototypes
+ * =================================================================
+ */
+extern int cdDimInq(long dsetid, long dimid, char* name, char* alias, cdType* datatype, int* natts, cdDimType* type, int* subtype, long* length, cdDimShape* topology);
+extern int cdDsetClose(long dsetid);
+extern int cdDsetInq(long dsetid, int* ndims, int* nvars, int* ngrids, int* ngatts);
+extern int cdGridInq(long dsetid, long gridid, char* name, cdGridType* type, int* ndims, long dim[], int* natts);
+extern int cdVarGetCoord(long dsetid, long varid, long dimid, double indices[]);
+extern int cdVarGetIndex(long dsetid, long varid, long dimid, long indices[]);
+extern int cdVarGetIndexRange(long dsetid, long varid, long dimid, long* index1, long* index2);
+extern int cdVarInq(long dsetid, long varid, char* name, char* alias, cdType* datatype, int* ndims, long dim[], int* natts);
+extern int cdVarSetCoordRange(long dsetid, long varid, long dimid, double coord1, double coord2, cdIntersectOpt opt, long* len);
+extern int cdVarSetIndex(long dsetid, long varid, long dimid, long nindices, long index[], long* len);
+extern int cdVarSetIndexRange(long dsetid, long varid, long dimid,  long index1, long index2, long* len);
+extern long cdDimLookup(long dsetid, char* name);
+extern long cdDimLookupAlias(long dsetid, char* alias);
+extern long cdDsetOpen(const char* path, cdOpenMode mode, long dbid);
+extern long cdGridLookup(long dsetid, char* name);
+extern long cdVarLookup(long dsetid, char* name);
+extern long cdVarLookupAlias(long dsetid, char* alias);
+
+extern void cdChar2Comp(cdCalenType timetype, char* chartime, cdCompTime* comptime);
+extern void cdChar2Rel(cdCalenType timetype, char* chartime, char* relunits, double* reltime);
+extern void cdComp2Char(cdCalenType timetype, cdCompTime comptime, char* time);
+extern void cdComp2Rel(cdCalenType timetype, cdCompTime comptime, char* relunits, double* reltime);
+extern void cdRel2Char(cdCalenType timetype, char* relunits, double reltime, char* chartime);
+extern void cdRel2Comp(cdCalenType timetype, char* relunits, double reltime, cdCompTime* comptime);
+extern void cdRel2Rel(cdCalenType timetype, char* relunits, double reltime, char* outunits, double* outtime);
+extern int cdAbs2Comp(char *absunits, void *abstime, cdType abstimetype, cdCompTime *comptime, double *frac);
+extern int cdComp2Abs(cdCompTime comptime, char *absunits, cdType abstimetype, double frac, void *abstime);
+extern int cdDecodeRelativeTime(cdCalenType timetype, char* units, double time, cdCompTime* comptime);
+extern int cdDecodeAbsoluteTime(char* units, void* time, cdType abstimetype, cdCompTime* comptime, double* fraction);
+
+extern long cdSlabRead(long dsetid, long varid, const long order[], const double first[], const double last[], const double modulus[], cdIntersectPolicy policy, cdType usertype, void *values);
+extern long cdNdimIntersect(long dsetid, long varid, const long order[], const double first[], const double last[], const double modulus[], cdIntersectPolicy policy, long start[], long count[], long stride[]);
+
+extern int cdTypeLen(cdType datatype);
+
+					     /* Dean's DRS-like extensions */
+extern int cedimgeta(int fileid, int dimid, void* values, void **charvalues[]);
+extern int cevargeta(int fileid, int varid, const long start[], const long count[], void* value);
+extern int cemajority(CeMajority majority);
+extern int cehyperslabinq(int fileid, int varid, int rank,long* order,double* fe,double* le,double* cycle, long *data_arraysize, int *dim_arraylengths);
+extern int cehyperslab(int fileid, int varid, int rank,long* order,double* fe,double* le,double* cycle,double *dimarray, void *data);
+extern int cehyperslaba(int fileid, int varid, int rank,long* order,double* fe,double* le,double* cycle,long dimsize, double *dimarray, void *data);
+extern int cehyperslabi(int fileid, int varid, int rank,long* order,long* fe,long* le,double* cycle,void **data, int *dimsize, double *dimarray[]);
+
+
+#define cudimgeta cedimgeta
+#define cuvargeta cevargeta
+#define cumajority cemajority
+#define cuhyperslabinq cehyperslabinq
+#define cuhyperslab cehyperslab
+#define cuhyperslaba cehyperslaba
+#define cuhyperslabi cehyperslabi
+
+/*
+ * =================================================================
+ *			Globals
+ * =================================================================
+ */
+
+extern CeMajority ceMajority; /* Default majority for Dean's extensions */
+
+
+/*
+ * =================================================================
+ *	This stuff is used in the original time stuff,
+ *      should eventually be moved to cdmsint.h
+ * =================================================================
+ */
+
+typedef enum CdMonths {CdJan = 1, CdFeb, CdMar, CdApr, CdMay, CdJun, CdJul, CdAug,
+			       CdSep, CdOct, CdNov, CdDec } CdMonths;
+
+typedef enum CdSeasons {CdWinter = CdDec,	/* DJF */
+				CdSpring = CdMar,		/* MAM */
+				CdSummer = CdJun,		/* JJA */
+				CdFall = CdSep} CdSeasons;		/* SON */
+
+typedef enum CdTimeUnit {
+	CdMinute = 1,
+	CdHour = 2,
+	CdDay = 3,
+	CdWeek = 4,			     /* Always = 7 days */
+	CdMonth = 5,
+	CdSeason = 6,			     /* Always = 3 months */
+	CdYear = 7,
+	CdSecond = 8
+} CdTimeUnit;
+
+#define CdChronCal    0x1
+#define CdClimCal     0x0
+#define CdBaseRel    0x00
+#define CdBase1970   0x10
+#define CdHasLeap   0x100
+#define CdNoLeap    0x000
+#define Cd365      0x1000
+#define Cd360      0x0000
+#define CdJulianType 0x10000
+
+typedef enum CdTimeType {
+	CdChron       = ( CdChronCal | CdBase1970 | CdHasLeap | Cd365),	/* 4369 */
+	CdJulianCal   = ( CdChronCal | CdBase1970 | CdHasLeap | Cd365 | CdJulianType),
+	CdChronNoLeap = ( CdChronCal | CdBase1970 | CdNoLeap  | Cd365),	/* 4113 */
+	CdChron360    = ( CdChronCal | CdBase1970 | CdNoLeap  | Cd360),	/*   17 */
+	CdRel         = ( CdChronCal | CdBaseRel  | CdHasLeap | Cd365),	/* 4353 */
+	CdRelNoLeap   = ( CdChronCal | CdBaseRel  | CdNoLeap  | Cd365),	/* 4097 */
+	CdClim        = ( CdClimCal  | CdBaseRel  | CdNoLeap  | Cd365), /* 4096 */
+	CdClimLeap    = ( CdClimCal  | CdBaseRel  | CdHasLeap | Cd365),
+	CdClim360     = ( CdClimCal  | CdBaseRel  | CdNoLeap  | Cd365)
+}  CdTimeType;
+
+#define CdNullYear 0
+#define CdNullMonth CdJan
+#define CdNullDay 1
+#define CdLastDay -1
+#define CdNullHour 0.0
+
+typedef struct {
+	long    		year;	     /* e.g., 1979 */
+	short			month;	     /* e.g., CdDec */
+	short			day;	     /* e.g., 30 */
+	double			hour;	     /* hour and fractional hour */
+	long			baseYear;    /* base year for relative, 1970 for CdChron */
+	CdTimeType		timeType;    /* e.g., CdChron */
+} CdTime;
+
+typedef struct {
+	long   			count;	     /* units count  */
+	CdTimeUnit		units;	     /* time interval units */
+} CdDeltaTime;
+
+#endif
diff --git a/src/cdmsint.h b/src/cdmsint.h
new file mode 100644
index 0000000..20e2750
--- /dev/null
+++ b/src/cdmsint.h
@@ -0,0 +1,591 @@
+/* -*-Mode: C;-*-
+ * Module:      cdmsint.h - CDMS internal database definitions
+ *
+ * Copyright:	1995, Regents of the University of California
+ *		This software may not be distributed to others without
+ *		permission of the author.
+ *
+ * Author:      Bob Drach, Lawrence Livermore National Laboratory
+ *              drach at llnl.gov
+ *
+ * Version:     $Id: cdmsint.h,v 1.1 2008/06/30 16:07:44 ed Exp $
+ *
+ * Revision History:
+ *
+ * $Log: cdmsint.h,v $
+ * Revision 1.1  2008/06/30 16:07:44  ed
+ * Beginning merge of calandar stuff.
+ *
+ * Revision 1.1.1.1  1997/12/09 18:57:39  drach
+ * Copied from cirrus
+ *
+ * Revision 1.3  1997/10/24  18:23:35  drach
+ * - Cache netCDF unlimited dimensions
+ * - Consistent with GrADS src170
+ *
+ * Revision 1.2  1996/04/04  18:27:04  drach
+ * - Added CDMS inquiry, lookup, open, and internal routines
+ *
+ * Revision 1.1  1996/02/23  01:21:23  drach
+ * - Moved most of cdms.h to cdmsint.h (original in cdms_v1.h)
+ * - Added new time model declarations to cdms.h
+ * - Added -DNO_DECLARE flag to fcddrs.h
+ *
+ *
+ */
+
+#ifndef _CDMSINT_H
+#define _CDMSINT_H
+
+#include <stdio.h>
+#include <stddef.h>
+#include "cdms.h"
+
+/*
+ * =================================================================
+ *			Macros and Typedefs
+ * =================================================================
+ */
+
+#define CD_NAME_DUP -2
+#define CD_ALIAS_DUP -3
+#define cdSymtabNentries(table) (table)->nentries /* number of entries in symbol table */
+#define cdDsetVar(dset,varid) (cdVar*)((dset)->vars->entries)+((varid)-1) /* dset variable with id varid */
+#define cdDsetDim(dset,dimid) (cdDim*)((dset)->dims->entries)+((dimid)-CD_DIM_OFFSET-1) /* dset dimension with id dimid */
+#define cdDsetGrid(dset,gridid) (cdGrid*)((dset)->grids->entries)+((gridid)-CD_GRID_OFFSET-1) /* dset dimension with id dimid */
+
+#define cdSetByte(vp,val) {unsigned char *ucp; ucp=(unsigned char*)(vp); *ucp=(val);}
+#define cdSetShort(vp,val) {short *sp; sp=(short*)(vp); *sp=(val);}
+#define cdSetInt(vp,val) {int *ip; ip=(int*)(vp); *ip=(val);}
+#define cdSetLong(vp,val) {long *lp; lp=(long*)(vp); *lp=(val);}
+#define cdSetFloat(vp,val) {float *fp; fp = (float *)(vp); *fp=(val);}
+#define cdSetDouble(vp,val) {double *dp; dp=(double*)(vp); *dp=(val);}
+#if !defined(sgi) && !defined(__alpha)
+#define cdSetLongDouble(vp,val) {long double *ldp; ldp=(long double*)(vp); *ldp=(val);}
+#endif
+#define cdSetCharTime(vp,val) {char *cp; cp=(char*)(vp); strncpy(cp,(val),CD_MAX_CHARTIME); cp[CD_MAX_CHARTIME-1]='\0';}
+
+					     /* For Dean's DRS-like extensions */
+
+#define CE_FLOAT_NULL 1.0e20   /* Null float arg */
+#define CE_FLOAT_DELTA 1.0e14  /* Treat floats as null if = CE_FLOAT_NULL +/- CE_FLOAT_DELTA */
+#define CE_INT_NULL 0
+#define CE_IS_FLOAT_NULL(x) (fabs((x)-CE_FLOAT_NULL)<=CE_FLOAT_DELTA)
+
+typedef enum {CE_ROUND_NEAREST = 1, CE_ROUND_UP, CE_ROUND_DOWN, CE_RANGE} CeRoundPolicy;
+
+typedef enum cdUnit {
+	cdMinute = CdMinute,
+	cdHour = CdHour,
+	cdDay = CdDay,
+	cdWeek = CdWeek,			     /* Always = 7 days */
+	cdMonth = CdMonth,
+	cdSeason = CdSeason,			     /* Always = 3 months */
+	cdYear = CdYear,
+	cdSecond = CdSecond,
+	cdFraction			     /* Fractional part of absolute time */
+} cdUnitTime;
+
+/*
+ * =================================================================
+ *			Structures
+ * =================================================================
+ */
+
+/* Symbol table index entry */
+typedef struct {
+	char name[CD_MAX_NAME];		     /* Name (key) */
+	int index;			     /* Index into symbol table (0-origin) */
+	short deleted;			     /* 1 iff entry is marked for deletion */
+} cdTag;
+
+/* Symbol table */
+typedef struct {
+	cdTag *nameIndex;		     /* Sorted name index */
+	cdTag *aliasIndex;		     /* Sorted alias index */
+	int nentries;			     /* Number of table entries */
+	int length;			     /* Allocated slots for entries, may be > nentries */
+	size_t entrySize;		     /* Size of each entry*/
+	void *entries;			     /* Symbol table */
+} cdSymtab;
+
+/* Attribute */
+typedef struct cdAtt {
+	char            name[CD_MAX_NAME]; /* Attribute name */
+	cdType          datatype;            /* Datatype of the attribute */
+	long            length;		     /* Number of elements (NOT bytes) */
+	void*           values;		     /* Pointer to internal structure for GrADS */
+	struct cdAtt*   next;		     /* Next attribute */
+} cdAtt;
+
+/* Dataset */
+typedef struct cdDset {
+	long 		id;		     /* Dataset ID */
+	long            dbid;		     /* Database ID */
+	char 		path[CD_MAX_PATH];   /* Dataset pathname */
+	char		fileTemp[CD_MAX_PATH]; /* File template */
+	cdSymtab*       vars;		     /* Variables */
+	cdSymtab*       dims;		     /* Dimensions */
+	cdSymtab*       grids;		     /* Grids */
+	int             ngatts;		     /* Number of global attributes */
+	cdAtt*          atts;		     /* Global attributes */
+	struct cdDset*  next;		     /* Next dataset */
+} cdDset;
+
+/* Database */
+typedef struct cdDb {
+	long            id;		     /* Database ID */
+	char            path[CD_MAX_PATH];   /* Database pathname */
+	cdDset*         dsets;		     /* Datasets */
+	struct cdDb*    next;		     /* Next database */
+} cdDb;
+
+/* Parameter */
+typedef struct {
+	char 		name[CD_MAX_NAME];   /* Parameter name */
+	char 		longName[CD_MAX_NAME]; /* Descriptive name */
+	char 		units[CD_MAX_NAME];  /* Standard units */
+} cdParm;
+
+/* Polygon */
+typedef struct {
+	long 		id;		     /* Polygon ID */
+	cdPolygonType 	type;		     /* cdBox, cdAnnulus, etc. */
+	long 		length;		     /* Number of points */
+	struct {
+		double  lon;		     /* Longitude point */
+		double  lat;		     /* Latitude point */
+	} 		*points;	     /* Points */
+} cdPolygon;
+
+/* Variable */
+typedef struct {
+	long 		id;		     /* Variable ID */
+	long		dsetid;		     /* Dataset ID */
+	char		name[CD_MAX_NAME];   /* Parameter name (official) */
+	char		alias[CD_MAX_NAME];  /* Name in file */
+	char		aliasTitle[CD_MAX_NAME];  /* Title in file */
+	int             natts;		     /* Number of attributes */
+	cdAtt*          atts;		     /* Attribute list */
+	int 		ncomps;		     /* Number of components */
+	long		comps[CD_MAX_VAR_COMPS]; /* Component variable IDs, if ncomps>1 */
+	void*           data;		     /* Data for implicit array definition */
+	cdType		datatype;	     /* cdChar, cdInt, etc. */
+	char		delta[CD_MAX_TIME_DELTA]; /* Delta, for linear rep (datatype is double, long, or chartime) */
+	long            length;		     /* Number of elements */
+	int 		ndims;		     /* Number of dimensions */
+	long		dim[CD_MAX_VAR_DIMS];	/* Dimension IDs */
+	char		fileTemp[CD_MAX_PATH];  /* File template */
+	long 		gridid;		     /* Grid ID, if spatio-temporal */
+	char 		initVal[CD_MAX_CHARTIME]; /* Initial value, for linear rep (datatype is double, long, or chartime)*/
+	long 		levelid;	     /* Level ID, if spatio-temporal */
+	char 		longName[CD_MAX_NAME];  /* Parameter title */
+	cdRepresent	rep;		     /* cdExternalArray, cdInternalArray, cdLinear, ... */
+	char 		stat[CD_MAX_NAME];   /* Statistic */
+	long 		timeid;		     /* Time ID, if spatio-temporal */
+	char 		units[CD_MAX_NAME];  /* Units in file */
+} cdVar;
+
+/* Dimension */
+typedef struct cdDim{
+	long 		id;		     /* Dimension ID */
+	char 		name[CD_MAX_NAME];   /* Dimension name */
+	char            alias[CD_MAX_NAME];  /* Dimension alias */
+	int             natts;		     /* Number of attribtues */
+	cdAtt*          atts;		     /* Attributes */
+	cdDimType 	type;		     /* cdLongitude, cdLatitude, etc. */
+	cdType          datatype;	     /* Dimension datatype */
+	int 		subtype;	     /* cdSigma, cdJulian, etc., interpret using type */
+	long 		length;		     /* Number of elements */
+	int 		topology;	     /* E.g., cdWrapped */
+	int             unlimited;	     /* 0 if fixed, 1 if unlimited length (extensible) */
+	cdVar*  	boundary;	     /* Boundary variable if any */
+	struct cdDim*   partition;	     /* variable with partition indices */
+	cdRepresent	rep;		     /* cdExternalArray, cdInternalArray, cdLinear, ... */
+	char            units[CD_MAX_NAME];  /* Dimension units */
+	char		delta[CD_MAX_TIME_DELTA]; /* Delta, for linear rep (datatype is double, long, or chartime) */
+	char 		initVal[CD_MAX_CHARTIME]; /* Initial value, for linear rep (datatype is double, long, or chartime) */
+	void*           data;		     /* Data for implicit array definition */
+} cdDim;
+
+/* Grid */
+typedef struct {
+	long            id;		     /* Grid ID */
+	char 		name[CD_MAX_NAME];   /* Grid name */
+	int             natts;		     /* Number of attributes */
+	cdAtt*          atts;		     /* Attribute list */
+	cdGridType 	type;		     /* Grid type (rectangular, projected, ...) */
+	long 		familyid;	     /* Grid family ID */
+	long 		lon;		     /* Longitude dimension ID */
+	long 		lat;		     /* Latitude dimension ID */
+	long            length;		     /* Number of zones */
+	int             ndims;		     /* Number of dimensions */
+	long            dim[CD_MAX_VAR_DIMS]; /* Dimensions (IDs), in order of definition */
+	cdVar* 		mask;		     /* Mask variable if any */
+	double 		projArgs[3];	     /* Projection arguments */
+} cdGrid;
+
+/*
+ * =================================================================
+ *			Function Prototypes
+ * =================================================================
+ */
+
+extern cdDb* cdDbLookupId(long dbid);
+extern cdDset* cdDsetLookup(cdDb* db, const char* path);
+extern cdDset* cdDsetLookupId(long dsetid);
+extern cdDset* cdDsetInsert(cdDb* db, const char* path);
+extern int cdDsetDelete(long dsetid);
+extern void cdAttlistDestroy(cdAtt* attlist);
+extern cdAtt* cdAttInsert(char* name, cdAtt** attlist);
+extern cdAtt* cdAttlistGet(cdDset* dset, long objid);
+
+extern void cdError(char *fmt, ...);
+extern int cdInit(void);
+extern cdSymtab *cdSymtabCreate(int nentries, size_t entrySize);
+extern void cdSymtabDestroy(cdSymtab *table);
+extern int cdSymDelete(cdSymtab *table, int id);
+extern int cdSymInsert(cdSymtab *table, char *name, char *alias, void *entry);
+extern int cdSymLookup(int nindex, cdTag *indexTable, char *key, int *loc);
+extern int cdSymLookupName(cdSymtab *table, char *name, int *loc, void **entry);
+extern int cdSymLookupAlias(cdSymtab *table, char *alias, int *loc, void **entry);
+
+					     /* Basic time routines */
+int cdParseRelunits(cdCalenType timetype, char* relunits, cdUnitTime* unit, cdCompTime* base_comptime);
+int cdParseDeltaTime(cdCalenType timetype, char* deltaTime, double* value, cdUnitTime* unit);
+extern void CdDayOfYear(CdTime *date, int *doy);
+extern void CdDaysInMonth(CdTime *date, int *days);
+extern void CdError(char *fmt, ...);
+extern void CdMonthDay(int *doy, CdTime *date);
+extern void Cdc2e(char *ctime, CdTimeType timeType, double *etime, long *baseYear);
+extern void Cdc2h(char *ctime, CdTimeType timeType, CdTime *htime);
+extern void Cde2c(double etime, CdTimeType timeType, long baseYear, char *ctime);
+extern void Cde2h(double etime, CdTimeType timeType, long baseYear, CdTime *htime);
+extern void Cdh2c(CdTime *htime, char *ctime);
+extern void Cdh2e(CdTime *htime, double *etime);
+
+					     /* Dean's DRS-like extensions */
+extern int cealterdata(int fileid, int varid, const long count[], void* value);
+extern int ce_dimget(int fileid, int dimid, double** values, long *dimlen);
+extern void ce_lookup(double tab[], long n, double x, long *k);
+extern int ce_lookup_with_policy(double tab[], long n, double x, CeRoundPolicy policy, double delta, long *k);
+extern int ce_lookup_cycle(double tab[], long n, double x, double cycle, CeRoundPolicy policy, double delta,
+			   long *k, long *icycle);
+extern int ce_dimmap(int fileid, int dimid, double df, double dl, CeRoundPolicy policy, double delta, int isCycle,
+		     double cycle, double** dp, long *idf, long *idl, double *xdf, double *xdl);
+extern int ce_dimmapi(int fileid, int dimid, double df, double dl, CeRoundPolicy policy, double delta, int isCycle,
+		      double cycle, double** dp, long *idf, long *idl, double *xdf, double *xdl);
+extern int cevarinq(int fileid, int varid, char* name, CuType* datatype, int* ndims, int dimids[], int* natts);
+
+/*
+ * =================================================================
+ *			Globals
+ * =================================================================
+ */
+
+extern cdDb* cdCurrentDb;		     /* Database for dataset currently being parsed */
+extern cdDset* cdCurrentDset;		     /* Dataset currently being parsed */
+extern int cdLineno;			     /* Line number of dataset file currently being parsed */
+extern long cdNextDimid;		     /* Next dimension ID */
+extern long cdNextGridid;		     /* Next grid ID */
+extern long cdNextVarid;		     /* Next variable ID */
+extern int cdYyerrors;			     /* Number of parsing errors */
+
+
+
+
+/* NB!!! Everything below this line is OBSOLETE!! */
+
+typedef enum CdDsetType {CdExperiment = 1, CdObservation} CdDsetType;
+typedef enum CdGridType {CdRegistered = 1, CdSpectral = 2} CdGridType;
+typedef enum CdOpenMode {CdReadOnly = 1, CdReadWrite} CdOpenMode;
+typedef enum CdQaLevel {CdUnvalidated = 1, CdValidated = 2} CdQaLevel;
+
+					     /* See cdunif.h */
+typedef enum CdType {CdInvalidType = -1,
+			     CdByte = CuByte,
+			     CdChar = CuChar,
+			     CdShort = CuShort,
+			     CdInt = CuInt,
+			     CdLong = CuLong,
+			     CdFloat = CuFloat,
+			     CdDouble = CuDouble,
+			     CdLongDouble = CuLongDouble} CdType;
+
+typedef enum CdDimensionType {
+	CdXDimension = 1,
+	CdYDimension,
+	CdZDimension,
+	CdTDimension,
+	CdPDimension
+} CdDimensionType;
+
+					     /* Sequential access cursor operations */
+typedef enum {
+	CdFirst = 1,
+	CdLast,
+	CdNext,
+	CdPrev
+} CdCursorOp;
+
+/* predefined statistics */
+#define CdMonthlyMeans "monthly mean"
+
+/*
+ * =================================================================
+ *			Structures
+ * =================================================================
+ */
+
+typedef struct {
+	long   			id;	     /* Database ID */
+	char			name[CU_MAX_PATH]; /* Full dataset pathname */
+	CdDsetType		dsetType;    /* Experimental or observed */
+} CdDsetDes;
+typedef CdDsetDes *CdDset;
+
+/* Order descriptor */
+/* Each value is a dimension index, 0 .. 4, indicating */
+/* the order of the dimensions on output. C-majority is observed, */
+/* that is, dimension 0 is LEAST rapidly varying. A negative value */
+/* indicates that the dimension is not applicable. For direction, a positive value */
+/* indicates increasing values, negative indicates decreasing */
+/* values. Direction for parameters refers to the canonical */
+/* ordering as defined in the database. */
+
+typedef struct {
+	short  		parm;		     /* Parameter dimension, for compound elements */
+	short		lon;		     /* Longitude dimension */
+	short		lat;		     /* Latitude dimension */
+	short		lev;		     /* Level dimension */
+	short		time;		     /* Time dimension */
+	short  		parmDir;	     /* Parameter dimension direction, for compound elements */
+	short		lonDir;		     /* Longitude dimension direction */
+	short		latDir;		     /* Latitude dimension direction */
+	short		levDir;		     /* Level dimension direction */
+	short		timeDir;	     /* Time dimension direction */
+} CdOrder;
+
+typedef struct {			/* specification of range of data to return */
+        int 		bgnColNum; 	/* begining column number to read */
+        int 		colCnt;   	/* count of colums to read */
+        int 		bgnRowNum; 	/* beginning row number to read */
+        int 		rowCnt;		/* count of rows to read */
+	int		bgnLevNum;
+	int		levCnt;
+        double		bgnTime; 	/* beginning time to read; depends on timeType */
+        int 		stepCnt;	/* count of time steps to read */
+} CdRegion;
+
+typedef struct {
+	char   prjnName[21];		/* projection name */
+	long   nx;			/* count of columns */
+	long   ny;			/* count of rows */
+	double lat;			/* lat of origin in degrees */
+	double lon;			/* lon of origin in degrees */
+	long   orig_ix;			/* column # for origin, left column is 1 */
+	long   orig_iy;			/* row # for origin; top row is 1 */
+	double x_int_dis;		/* distance interval between columns in km */
+	double y_int_dis;		/* distance interval between rows in km */
+	double parm_1;			/* geom parm 1, depends on projection */
+	double parm_2;			/* geom parm 2, depends on projection */
+	double parm_3;			/* geom parm 3, depends on projection */
+} CdRegGeom;
+
+typedef struct {			/* info from table grid_spct_geom */
+	char   trnc_type[21];		/* spectral truncation type (triangular/etc) */ 
+	long   coef_cnt;		/* count of complex coefficients used */ 
+	long   max_lat_wav_num;		/* max latitudinal wavenumber (M in GRIB) */
+	long   max_lon_wav_num_1;	/* max longitudinal wavenumber 1 (J in GRIB) */
+	long   max_lon_wav_num_2;	/* max longitudinal wavenumber 2 (K in GRIB) */
+} CdSpctGeom;
+
+typedef struct {
+	double begEtm;			     /* Beginning epochal time */
+	double begLvl;			     /* Beginning level  */
+	double endEtm;			     /* End epochal time */
+	double endLvl;			     /* End level */
+	long fileId;			     /* Database file ID */
+	CdOrder storageOrder;		     /* Storage order in external file */
+	long varId;			     /* Database variable ID */
+} CdSlab;
+
+typedef struct {
+	long   			id;
+	char			name[41];
+	long			count;
+	char			lvlType[41];
+	char			remark[121];
+	char			units[41];
+	double			*values;
+} CdLevel;
+
+typedef struct {
+	char   		alias[CD_MAX_NAME];	     /* name in the file  */
+	CdType  	dataType;	     /* data type of var */
+	long		dsetId;		     /* Dataset ID */
+	CdGridType	gridType;	     /* grid type (registered |	spectral) */
+	long		id;		     /* Variable ID */
+	CdLevel		level;		     /* Level */
+	long	  	lvlId;		     /* level database ID */
+	double		maxEtm;		     /* Ending epochal time */
+	double		minEtm;		     /* Beginning epochal time */
+	double		missing;	     /* missing data value */
+	char   		name[CD_MAX_NAME];	     /* parameter (official variable) name */
+	long		nx;		     /* Number of longitudes */
+	long		ny;		     /* Number of latitudes */
+	long		nz;		     /* Number of levels */
+	long		nt;		     /* Number of times */
+	long		parmId;		     /* parameter database ID */
+	char		parmUnits[CD_MAX_NAME];	     /* official units */
+	CdRegGeom       regGeom;	     /* registered geometry */
+	char		remark[CD_MAX_NAME];	     /* comments */
+	double		scaleB;		     /* mapping from actual units to official units */
+					     /* is parmUnits = (scaleM * units) + scaleB*/
+	double		scaleM;
+	CdSpctGeom      spctGeom;	     /* spectral geometry */
+	char		statistic[CD_MAX_NAME];	/* Statistic identifier */
+	CdOrder         storageOrder;	     /* storage order, in external file or internally */
+	CdTimeType	timeType;	     /* time type */
+	char		title[CD_MAX_NAME];	     /* parameter title */
+	char		units[CD_MAX_NAME];	     /* actual units (cf. parmUnits) */
+} CdVar;
+
+/*
+ * =================================================================
+ *			Function Prototypes
+ * =================================================================
+ */
+
+/* Connect to the database */
+/*
+extern int
+CdConnectDb(void);
+*/
+/* Disconnect from the database */
+/*
+extern void
+CdDisconnectDb(void);
+*/
+/* Open a dataset. Returns a handle for the dataset*/
+
+extern CdDset
+CdOpenDset(char *path,	     	             /* Dataset path name */
+	   CdOpenMode openMode		     /* Open mode */
+	   );
+
+
+/* Close a dataset */
+
+extern void
+CdCloseDset(CdDset dset);		     /* Dataset handle */
+
+/* Get a variable handle */
+
+extern int
+CdLookupVar(CdDset dset,		     /* Dataset handle */
+	    char *varName,		     /* Variable (parameter) name*/
+	    char *statistic,	             /* Statistic (if NULL, return the first variable) */
+	    CdVar *var,			     /* Variable descriptor (returned) */
+	    CdRegion *region);		     /* Region (returned) */
+
+/* Read a region of data. A region is a description of a four-dimensional */
+/* lon-lat-lev-time portion of data. */
+
+extern int
+CdReadRegion(CdVar *var,		     /* variable */
+	     CdRegion *region,		     /* Region to read */
+	     CdOrder *order,		     /* Ordering of data dimensions on return */
+	     CdType datatype,   	     /* Datatype of data to be returned (input) */
+	     void *data);		     /* Data returned (output) */
+
+
+/* Set a region */
+
+extern int
+CdSetLon(CdVar *var,		     	     /* variable */
+	 double firstLon,		     /* first longitude in range */
+	 double lastLon,		     /* last longitude in range */
+	 CdRegion *region);		     /* region to set */
+
+extern int
+CdSetLat(CdVar *var,		     	     /* variable */
+	 double firstLat,
+	 double lastLat,
+	 CdRegion *region);
+
+extern int
+CdSetLevel(CdVar *var,		     	     /* variable */
+	   double firstLevel,
+	   double lastLevel,
+	   CdRegion *region);
+
+extern int
+CdSetTime(CdVar *var,		             /* variable */
+	  CdTime *start,
+	  CdTime *end,
+	  CdRegion *region);
+
+/* Get dimension ranges from a region */
+
+extern int
+CdGetLon(CdVar *var,		     	     /* variable */
+	 CdRegion *region,
+	 double *firstLon,
+	 double *lastLon);
+
+extern int
+CdGetLat(CdVar *var,		             /* variable */
+	 CdRegion *region,
+	 double *firstLat,
+	 double *lastLat);
+
+extern int
+CdGetLevel(CdVar *var,		             /* variable */
+	   CdRegion *region,
+	   double *firstLevel,
+	   double *lastLevel);
+
+extern int
+CdGetTime(CdVar *var,		             /* variable */
+	  CdRegion *region,
+	  CdTime *start,
+	  CdTime *end);
+
+/* Get region size, returns number of elements */
+
+extern long
+CdRegionSize(CdRegion *region, CdType dataType);
+
+/* Set the order structure from human-readable form */
+extern int
+CdSetOrder(CdVar *var,			     /* Variable handle */
+	   CdOrder *order,		     /* Returned order structure */
+	   char orderSpec[11]);		     /* Order specification, any permutation such as */
+                                             /* "SpSxSySzSt", "SxSySpStSz" , "StSpSzSySx" */
+					     /* where S is either '+' for increasing dimension values */
+					     /* in the resulting array, or '-' for decreasing values. */
+
+/* Get the registered geometry for a variable */
+extern int
+CdGetRegGeom(CdVar *var,	     	     /* Variableiable */
+	     CdRegGeom *varRegGeom);	     /* registered geometry (output) */
+
+/* Get the spectral geometry for a variable */
+extern int
+CdGetSpctGeom(CdVar *var,		     /* Variable */
+	      CdSpctGeom *varSpctGeom);	     /* spectral geometry */
+	      
+
+extern CdVar
+CdSetVarCursor(CdDset dset,			     /* Dataset handle */
+		char *varName,		     /* Variable name */
+		char *statistic);		     /* Variable statistic, or NULL for first */
+
+					     /* Fetch a variable */
+extern CdVar
+CdFetchVar(CdCursorOp op);		     /* Cursor operation */
+
+					     /* Error routines */
+
+#endif
diff --git a/src/cdunif.h b/src/cdunif.h
new file mode 100644
index 0000000..abcf06d
--- /dev/null
+++ b/src/cdunif.h
@@ -0,0 +1,178 @@
+/* -*-Mode: C;-*-
+ * Module:      cdunif - cdunif uniform I/O  include file
+ *
+ * Copyright:	1994, Regents of the University of California
+ *		This software may not be distributed to others without
+ *		permission of the author.
+ *
+ * Author:      Bob Drach, Lawrence Livermore National Laboratory
+ *              drach at llnl.gov
+ *
+ * Version:     $Id: cdunif.h,v 1.1 2008/06/30 16:07:44 ed Exp $
+ *
+ * Revision History:
+ *
+ * $Log: cdunif.h,v $
+ * Revision 1.1  2008/06/30 16:07:44  ed
+ * Beginning merge of calandar stuff.
+ *
+ * Revision 1.1.1.1  1997/12/09 18:57:39  drach
+ * Copied from cirrus
+ *
+ * Revision 1.14  1997/11/24  17:28:04  drach
+ * - Added QL package to cdunif
+ * - Added NdimIntersect function to CDMS
+ *
+ * Revision 1.13  1997/11/10  19:22:29  drach
+ * - Added cuvargets to cdunif, cdSlabRead to cdms
+ *
+ * Revision 1.12  1997/01/06  17:47:13  drach
+ * - Added HDF to cdunif
+ *
+ * Revision 1.11  1996/02/23  01:21:24  drach
+ * - Moved most of cdms.h to cdmsint.h (original in cdms_v1.h)
+ * - Added new time model declarations to cdms.h
+ * - Added -DNO_DECLARE flag to fcddrs.h
+ *
+ * Revision 1.10  1995/10/16  18:56:33  drach
+ * - Added CuInt datatype, DEC Alpha version
+ *
+ * Revision 1.9  1995/03/09  00:35:18  drach
+ * Added netCDF, upgraded cureadarray with casting, user-specified indices
+ *
+ * Revision 1.8  1995/01/18  02:53:38  drach
+ * - Explicitly set CuFileType enums
+ *
+ * Revision 1.7  1994/12/20  01:19:45  drach
+ * - Added cdrra and cureadarray functions
+ *
+ * Revision 1.6  1994/12/17  00:43:02  drach
+ * - add cugetlu, cufreelu
+ *
+ * Revision 1.5  1994/12/16  00:45:42  drach
+ * - Added invalid CuType
+ *
+ * Revision 1.4  1994/12/14  02:33:01  drach
+ * - Added comment
+ *
+ * Revision 1.3  1994/11/23  23:00:06  drach
+ * *** empty log message ***
+ *
+ * Revision 1.2  1994/11/23  22:56:23  drach
+ * Changed hyperlong to long double.
+ *
+ * Revision 1.1  1994/11/18  23:42:27  drach
+ * Initial version
+ *
+ *
+ */
+#ifndef _CDUNIF_H
+#define _CDUNIF_H
+
+/*
+ * =================================================================
+ *			Macros and Enums
+ * =================================================================
+ */
+
+#define CU_FATAL 1			     /* Exit immediately on fatal error */
+#define CU_VERBOSE 2			     /* Report errors */
+
+#define CU_GLOBAL -1			     /* Global varid */
+#define CU_MAX_LU 99			     /* Max logical unit for Fortran I/O */
+#define CU_MAX_NAME 128			     /* Max characters in a name */
+#define CU_MAX_PATH 256			     /* Max characters in a file pathname */
+#define CU_MAX_VAR_DIMS 32		     /* Max dimensions in a variable */
+#define CU_SETRRA(a,id,i,value) a->indices[id][i]=value	/* Set a right-ragged array element */
+
+					     /* Note: integer types must be grouped, also floats (cf cuCast) */
+					     /* IF MODIFIED, SHOULD ALSO MODIFY CDMS.H !!*/
+typedef enum CuType {CuInvalidType = -1, CuByte = 1, CuChar, CuShort, CuInt, CuLong, CuFloat, CuDouble, CuLongDouble} CuType;
+
+					     /* Note: For cuseterropts to work correctly,
+					      * valid formats must begin at 0 and increase
+					      * sequentially, with CuNumberOfFormats the last entry.
+					      */
+typedef enum CuFileType {CuUnknown = -1, CuDrs=0, CuGrads=1, CuNetcdf=2, CuHdf=3, CuQL=4, CuPop=5, CuNumberOfFormats} CuFileType;
+typedef enum CuDimType {CuGlobalDim = 1, CuLocalDim} CuDimType;
+
+typedef struct {
+	long rank;	/* number of dimensions */
+	long *arraySize; /* vector of lengths of dimensions of base array */
+	long *dimensionSize; /* vector of lengths of index vectors */
+	long **indices;		/* index vectors; indices[k] is vector of length dimensionSize[k] */
+} CuRRA;
+
+/*
+ * =================================================================
+ *			Function prototypes
+ * =================================================================
+ */
+
+extern int cuopenread(const char* controlpath, const char* datapath);
+extern int cuclose(int fileid);
+extern int cuinquire(int fileid, int* ngdims, int* nvars, int* natts, int* recdim);
+extern int cudimid(int fileid, int varid, const char* name);
+extern int cudiminq(int fileid, int dimid, char* dimname, char* dimunits, CuType* dataType, CuDimType* dimtype, int* varid, long* length);
+extern int cudimget(int fileid, int dimid, void* values);
+extern int cuvarid(int fileid, const char* name);
+extern int cuvarinq(int fileid, int varid, char* name, CuType* datatype, int* ndims, int dimids[], int* natts);
+extern int cuvarget(int fileid, int varid, const long start[], const long count[], void* value);
+extern int cuvargets(int fileid, int varid, const long order[], const long start[], const long count[], const long stride[], CuType usertype, void *values);
+extern int cuattinq(int fileid, int varid, const char* name, CuType* datatype, int* len);
+extern int cuattget(int fileid, int varid, const char* name, void* value);
+extern int cuattname(int fileid, int varid, int attnum, char* name);
+extern int cutypelen(CuType datatype);
+extern int cusetlu(int lu1, int lu2);
+extern int cugetlu(int* lu1, int* lu2);
+extern int cufreelu(int lu);
+extern void cuseterropts(int erropts);
+extern int cugeterropts(void);
+extern int cugeterr(void);
+
+extern int cureadarray(int fileid, int varid, CuRRA *vIndices, CuRRA *uIndices,
+		       const long transpose[], CuType usertype, void *userArray);
+extern CuRRA *cucreateRRA(long rank, const long arraySize[], const long dimensionSize[]);
+extern void cudestroyRRA(CuRRA *);
+extern int cusortRRA(CuRRA *, CuRRA *, const long []);
+extern void cuprintRRA(CuRRA *);
+
+/*
+ * =================================================================
+ *			Globals
+ * =================================================================
+ */
+
+extern int cuErrOpts;			     /* Error options */
+extern int cuErrorOccurred;		     /* True iff cdError was called */
+
+/*
+ * =================================================================
+ *			Error returns
+ * =================================================================
+ */
+
+#define CU_SERROR       -1      /* System error */
+#define	CU_SUCCESS	0	/* Success */
+#define	CU_EBADID	1	/* Bad ID passed to driver layer */
+#define	CU_OPENFILES	2	/* Too many files open */
+#define	CU_EINVAL	4	/* Invalid Argument */
+#define	CU_ENOTINDEFINE	6	/* Operation not allowed in data mode (netCDF only) */
+#define	CU_EINDEFINE	7	/* Operation not allowed in define mode (netCDF only) */
+#define	CU_EINVALCOORDS	8	/* Coordinates out of Domain */
+#define CU_ENOTATT	11	/* Attribute not found */
+#define CU_EBADTYPE	13	/* Not a cdunif data type */
+#define CU_EBADDIM	14	/* Invalid dimension id */
+#define CU_ENOTVAR	17	/* Variable not found */
+#define CU_EGLOBAL	18	/* Action prohibited on CU_GLOBAL varid */
+#define CU_ENOTCU	19	/* Not a file supported by cdunif*/
+#define CU_EMAXNAME     21      /* CU_MAX_NAME exceeded */
+#define CU_ENOVARS      51      /* File has no variables */
+#define CU_EINTERN      52      /* cdunif internal error */
+#define CU_EBADFORM     53      /* Format recognized but not supported */
+#define CU_DRIVER       54      /* Driver layer error */
+#define CU_EINVLU       55      /* Invalid logical unit (DRS only) */
+#define CU_EOPEN        56      /* File open error */
+#define CU_ENOCAST      57      /* Cannot cast between user and file datatypes */
+
+#endif
diff --git a/src/cfcvars.c b/src/cfcvars.c
new file mode 100644
index 0000000..5179292
--- /dev/null
+++ b/src/cfcvars.c
@@ -0,0 +1,1550 @@
+/*
+  Copyright 2006, University Corporation for Atmospheric Research. See
+  COPYRIGHT file for copying and redistribution conditions.
+
+  This file is part of the NetCDF CF Library. 
+
+  This file handles the libcf file stuff.
+
+  Ed Hartnett, 9/1/06
+
+  $Id: cfcvars.c,v 1.15 2009/01/20 19:16:53 ed Exp $
+*/
+
+#include <config.h>
+#include <libcf.h>
+#include <libcf_int.h>
+#include <netcdf.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+#define NLAT_UNITS 6
+#define NLON_UNITS 6
+#define NPRES_UNITS 31
+#define NLEVEL_UNITS 35
+#define NTIME_UNITS 33
+#define CF_POS_LEN 4
+
+#define CF_PTOP "PTOP"
+
+static char *vert_std_name[] = {
+   STD_ATM_LN, STD_SIGMA, STD_HYBRID_SIGMA, STD_HYBRID_HEIGHT, STD_SLEVE, 
+   STD_OCEAN_SIGMA, STD_OCEAN_S, STD_OCEAN_SIGMA_Z, STD_OCEAN_DBL_SIGMA
+};
+
+/* The Common Data Model defines these axis types. */
+static char* axis_type_name[] = {"", "Lat", "Lon", "GeoX", "GeoY", "GeoZ", 
+				 "Height", "Height", "Pressure", "Time", 
+				 "RadialAzimuth", "RadialElevation", 
+				 "RadialDistance"};
+
+int
+cf_test1(int i)
+{
+   printf("i = %d", i);
+   return 0;
+}
+
+/* Define a coordinate dimension and variable with all the CF
+ * recomended attribute accessories. */
+static int 
+def_coord_var(int ncid, const char *name, size_t len, nc_type xtype, 
+	      const char *units, const char *axis, int positive_up, 
+	      const char *standard_name, const char *formula_terms, 
+	      int cdm_axis_type, int *dimidp, int *varidp)
+{
+   int did, vid;
+   int ret;
+
+   /* Name is required. */
+   if (!name)
+      return CF_EINVAL;
+
+   /* There must be neither a dimension nor a variable of the chosen
+    * name. */
+   if (nc_inq_dimid(ncid, name, &did) != NC_EBADDIM ||
+       nc_inq_varid(ncid, name, &vid) != NC_ENOTVAR)
+      return CF_EEXISTS;
+
+   /* Create a dimension. */
+   if ((ret = nc_def_dim(ncid, name, len, &did)))
+      return ret;
+
+   /* Give the user back the dimid if he wants it. */
+   if (dimidp)
+      *dimidp = did;
+
+   /* Create a variable. */
+   if ((ret = nc_def_var(ncid, name, xtype, 1, &did, &vid)))
+      return ret;
+
+   /* Give the user back the varid if he wants it. */
+   if (varidp)
+      *varidp = vid;
+
+   /* Create required attributes for this coordinate variable. */
+   if (units)
+      if ((ret = nc_put_att_text(ncid, vid, CF_UNITS, strlen(units) + 1, 
+				 units)))
+	 return ret;
+
+   /* If an axis was provided, then use it. This is the "axis"
+    * described in the CF document, section 4. It is a text string, X,
+    * Y, Z or T.*/
+   if (axis)
+   {
+      if ((ret = nc_put_att_text(ncid, vid, CF_AXIS, strlen(axis) + 1, 
+				 axis)))
+	 return ret;
+      
+      /* If this is a vertical axis, use the "positive" attribute to
+       * indicate whether it is increasing upwards, or downwards. */
+      if (!strncmp(axis, CF_LEVEL_AXIS, strlen(CF_LEVEL_AXIS)))
+      {
+	 if (positive_up)
+	 {
+	    if ((ret = nc_put_att_text(ncid, vid, CF_POSITIVE, 
+				       strlen(CF_UP) + 1, CF_UP)))
+	       return ret;
+	 }
+	 else
+	 {
+	    if ((ret = nc_put_att_text(ncid, vid, CF_POSITIVE, 
+				       strlen(CF_DOWN) + 1, CF_DOWN)))
+	       return ret;
+	 }
+      }
+   }
+
+   /* This is the CDM axis, which is somewhat different. */
+   if (cdm_axis_type)
+   {
+      /* Is the axis type valid? */
+      if (cdm_axis_type < 0 || cdm_axis_type > NCCF_RADDIST)
+	 return NC_EINVAL;
+      
+      /* Now write the attribute which stores the axis type. */
+      if ((ret = nc_put_att_text(ncid, vid, COORDINATE_AXIS_TYPE, 
+				 strlen(axis_type_name[cdm_axis_type]) + 1, 
+				 axis_type_name[cdm_axis_type])))
+	 return ret;
+   }
+
+   /* If formula_terms was provided, then use it. */
+   if (formula_terms)
+      if ((ret = nc_put_att_text(ncid, vid, CF_FORMULA_TERMS, 
+				 strlen(formula_terms) + 1, 
+				 formula_terms)))
+	 return ret;
+
+   /* If standard_name was provided, then use it. */
+   if (standard_name)
+      if ((ret = nc_put_att_text(ncid, vid, CF_STANDARD_NAME, 
+				 strlen(standard_name) + 1, 
+				 standard_name)))
+	 return ret;
+
+   return CF_NOERR;
+}
+
+/* Inquire about a coordinate variable. */
+static int 
+inq_coord_var(int ncid, int nvalid, const char valid_units[][CF_MAX_LEN + 1], 
+	      const char *valid_standard_name, char *name, size_t *lenp, 
+	      nc_type *xtypep, size_t *ft_lenp, char *formula_terms, 
+	      int *positive_upp, int *dimidp, int *varidp)
+{
+   int varid, nvars, dimid;
+   nc_type att_type_in, xtype_in;
+   size_t att_len_in, target_len_in;
+   char *target_end;
+   char target_in[NC_MAX_NAME + 1], var_name[NC_MAX_NAME + 1];
+   char target[NC_MAX_NAME + 1];
+   char pos_in[CF_POS_LEN + 1];
+   int positive_found = 0, positive_up, vnum;
+   int ret;
+
+   /* How many vars are there? */
+   if ((ret = nc_inq_nvars(ncid, &nvars)))
+      return ret;
+
+   /* If there are no valid units, and no standard name, I can't find
+    * a coodinate variable! */
+   if (!valid_units && !valid_standard_name)
+      return CF_EINVAL;
+
+   /* Decide what we are looking for. */
+   if (valid_units)
+      strcpy(target, CF_UNITS);
+   else
+      strcpy(target, CF_STANDARD_NAME);
+
+   /* Search for a variable with an appropriate "units" or
+    * "standard_name" attribute. */
+   for (varid = 0; varid < nvars; varid++)
+   {
+      /* Is there's no units or standard_name attribute for this
+       * var, move on. */
+      if ((ret = nc_inq_att(ncid, varid, target, &att_type_in, 
+			    &att_len_in)) == NC_ENOTATT)
+	 continue;
+      
+      /* If we got some other error, we're totally hosed. */
+      if (ret != NC_NOERR)
+	 return ret;
+      
+      /* If the attribute is not a character string, or if it's longer
+       * than NC_MAX_NAME, then what the heck is going on? Skip it. */
+      if (att_type_in != NC_CHAR || att_len_in > NC_MAX_NAME)
+	 continue;
+
+      /* Get the value of the attribute. */
+      if ((ret = nc_get_att_text(ncid, varid, target, target_in)))
+	 return ret;
+
+      /* We only care about this string before the first space. */
+      target_end = index(target_in, ' ');
+      if (target_end)
+	 target_len_in = target_end - target_in - 1;
+      else
+	 target_len_in = att_len_in;
+      
+      if (valid_units)
+      {
+	 /* If the length and value matches on of our valid strings,
+	  * then we have found our coordinate variable. */
+	 for (vnum = 0; vnum < nvalid; vnum++)
+	    if (target_len_in <= strlen(valid_units[vnum]) + 1 &&
+		!strncmp(target_in, valid_units[vnum], strlen(valid_units[vnum])))
+	       break;
+
+	 /* If we found the coordinate var, stop looking. */
+	 if (vnum < nvalid)
+	    break;
+      }
+      else
+      {
+	 if (target_len_in <= strlen(valid_standard_name) + 1 &&
+	     !strncmp(target_in, valid_standard_name, strlen(valid_standard_name)))
+	    break;
+      }
+
+   } /* next varid*/
+   
+   /* Did we still not find our coordinate variable? */
+   if (varid == nvars)
+   {
+      /* Let's look for an attribute named "positve". */
+      for (varid = 0; varid < nvars; varid++)
+      {
+	 /* Is there's no "positive" attribute for this var, move on. */
+	 if ((ret = nc_inq_att(ncid, varid, CF_POSITIVE, &att_type_in, 
+			       &att_len_in)) == NC_ENOTATT)
+	    continue;
+      
+	 /* If we got some other error, we're totally hosed. */
+	 if (ret != NC_NOERR)
+	    return ret;
+      
+	 /* If the "positive" attribute is not a character string,
+	  * or it's too long, then what the heck is going on? Skip
+	  * it. */
+	 if (att_type_in != NC_CHAR || att_len_in > strlen(CF_DOWN) + 1)
+	    continue;
+      
+	 /* Get the value of the "positive" attribute. */
+	 if ((ret = nc_get_att_text(ncid, varid, CF_POSITIVE, pos_in)))
+	    return ret;
+	 if (strncasecmp(pos_in, CF_DOWN, strlen(CF_DOWN)) == 0)
+	    positive_up = 0;
+	 else if (strncasecmp(pos_in, CF_UP, strlen(CF_UP)) == 0)
+	    positive_up = 1;
+	 else
+	    return CF_EBADVALUE;
+
+	 /* Remember that we have already found and dealt with the
+	  * "positive" attribute. */
+	 positive_found++;
+      
+	 /* We found the coordinate var, stop looking. */
+	 break;
+      
+      } /* next varid*/
+      
+      if (varid == nvars)
+	 return CF_ENOTFOUND;
+   }
+
+   /* Does the user want the varid of this coordinate variable? */
+   if (varidp)
+      *varidp = varid;
+
+   /* We need to know some stuff. */
+   if ((ret = nc_inq_vartype(ncid, varid, &xtype_in)))
+      return ret;
+
+   /* Does the user want the type of this coordinate variable? */
+   if (xtypep)
+      *xtypep = xtype_in;
+
+   /* Is there an interest in the formula_terms attribute? */
+   if (ft_lenp || formula_terms)
+   {
+      ret = nc_inq_att(ncid, varid, CF_FORMULA_TERMS, &att_type_in, 
+		       &att_len_in);
+      if (ret == NC_ENOTATT)
+      {
+	 if (ft_lenp)
+	    *ft_lenp = 0;
+      }
+      else if (ret == CF_NOERR)
+      {
+	 /* If this is not a character attribute, what the heck is
+	  * it? */
+	 if (att_type_in != NC_CHAR)
+	 {
+	    if (ft_lenp)
+	       *ft_lenp = 0;
+	 }
+	 else
+	 {
+	    if (ft_lenp)
+	       *ft_lenp = att_len_in;
+	    if (formula_terms)
+	       if ((ret = nc_get_att_text(ncid, varid, CF_FORMULA_TERMS, 
+					  formula_terms)))
+		  return ret;
+	 }
+      }	 
+   }
+
+   if (positive_upp)
+      *positive_upp = positive_up;
+
+   if (positive_upp)
+   {
+      if (!positive_found)
+      {
+	 /* Is there a "positive" attribute? */
+	 ret = nc_inq_att(ncid, varid, CF_POSITIVE, &att_type_in, &att_len_in);
+	 if (ret == NC_NOERR && att_len_in <= CF_POS_LEN + 1)
+	 {
+	    /* Get the contents of the attribute and see if it is "up" or
+	     * "down". */
+	    if ((ret = nc_get_att_text(ncid, varid, CF_POSITIVE, pos_in)))
+	       return ret;
+	    if (strncasecmp(pos_in, CF_DOWN, strlen(CF_DOWN)))
+	       *positive_upp = 0;
+	    else if (strncasecmp(pos_in, CF_UP, strlen(CF_UP)))
+	       *positive_upp = 1;
+	    else
+	       return CF_EBADVALUE;
+	 }
+	 if (ret == NC_ENOTATT)
+	 {
+	    /* No "positive" attribute there. What should be done?
+	     * According to the CF standards, assume down for pressure
+	     * units, up otherwise. */
+	    if (vnum < NPRES_UNITS)
+	       *positive_upp = 0;
+	    else
+	       *positive_upp = 1;
+	 }
+      }
+   }
+
+   /* Get the name. */
+   if ((ret = nc_inq_varname(ncid, varid, var_name)))
+      return ret;
+
+   /* Does the user want the name? */
+   if (name)
+      strcpy(name, var_name);
+
+   /* Now that we have our coordianate variable, let's find the
+    * associated dimension. It will have the same name. */
+   if ((ret = nc_inq_dimid(ncid, var_name, &dimid)))
+      return CF_ENODIM;
+
+   /* Does the user want the dimid? */
+   if (dimidp)
+      *dimidp = dimid;
+
+   /* Does the user want to know the length of this coordinate
+    * axis? */
+   if (lenp)
+      if ((ret = nc_inq_dimlen(ncid, dimid, lenp)))
+	 return ret;
+   return CF_NOERR;
+}
+
+/* Define a latitude dimension and variable with all the CF
+ * recomended attribute accessories.*/
+int 
+nccf_def_latitude(int ncid, size_t len, nc_type xtype, 
+		  int *lat_dimidp, int *lat_varidp)
+{
+   return def_coord_var(ncid, CF_LATITUDE_NAME, len,
+			xtype, CF_LATITUDE_UNITS, CF_LATITUDE_AXIS,
+			0, CF_LATITUDE_NAME, NULL, 
+			NCCF_LATITUDE, lat_dimidp, lat_varidp);
+}
+
+/* Inquire about a latitude dimension and variable with all the CF
+ * recomended attribute accessories.*/
+int 
+nccf_inq_latitude(int ncid, size_t *lenp, nc_type *xtypep, 
+		  int *lat_dimidp, int *lat_varidp)
+{
+   char val[NLAT_UNITS][CF_MAX_LEN + 1] = {"degrees_north", "degree_north", 
+					   "degree_N", "degrees_N", "degreeN",
+					   "degreesN"};
+   return inq_coord_var(ncid, NLAT_UNITS, val, NULL, NULL, lenp, xtypep, 
+			NULL, NULL, NULL, lat_dimidp, lat_varidp);
+}
+
+/* Define a longitude dimension and variable with all the CF
+ * recomended attribute accessories.*/
+int 
+nccf_def_longitude(int ncid, size_t len, nc_type xtype, 
+		   int *lon_dimidp, int *lon_varidp)
+{
+   return def_coord_var(ncid, CF_LONGITUDE_NAME, len,
+			xtype, CF_LONGITUDE_UNITS, CF_LONGITUDE_AXIS,
+			0, CF_LONGITUDE_NAME, NULL, 
+			NCCF_LONGITUDE, lon_dimidp, lon_varidp);
+}
+
+/* Inquire about a longitude dimension and variable with all the CF
+ * recomended attribute accessories.*/
+int 
+nccf_inq_longitude(int ncid, size_t *lenp, nc_type *xtypep, 
+		   int *lon_dimidp, int *lon_varidp)
+{
+   char val[NLON_UNITS][CF_MAX_LEN] = {"degrees_east", "degree_east", 
+				       "degree_E", "degrees_E", 
+				       "degreeE", "degreesE"};
+   return inq_coord_var(ncid, NLON_UNITS, val, NULL, NULL, lenp, xtypep, 
+			NULL, NULL, NULL, lon_dimidp, lon_varidp);
+}
+
+/* Define a verticle level coordinate variable and dimension. */
+int 
+nccf_def_lvl(int ncid, const char *name, size_t len, nc_type xtype, 
+	     const char *units, int positive_up, 
+	     const char *standard_name, const char *formula_terms, 
+	     int cdm_axis_type, int *lvl_dimidp, int *lvl_varidp)
+{
+   return def_coord_var(ncid, name, len, xtype, units, CF_LEVEL_AXIS, 
+			positive_up, standard_name, formula_terms, 
+			cdm_axis_type, lvl_dimidp, lvl_varidp);
+}
+
+/* Inquire about a vertical dimension and coordinate variable. */
+int 
+nccf_inq_lvl(int ncid, char *name, size_t *lenp, nc_type *xtypep, 
+	     size_t *ft_lenp, char *formula_terms, int *positive_upp, 
+	     int *lon_dimidp, int *lon_varidp)
+{
+   char val[NLEVEL_UNITS][CF_MAX_LEN] = 
+      {"bar", "standard_atmosphere", "technical_atmosphere", 
+       "inch_H2O_39F", "inch_H2O_60F", "inch_Hg_32F", 
+       "inch_Hg_60F", "millimeter_Hg_0C", "footH2O", "cmHg", 
+       "cmH2O", "Pa", "inch_Hg", "inch_hg", "inHg", "in_Hg", 
+       "in_hg", "millimeter_Hg", "mmHg", "mm_Hg", "mm_hg", 
+       "torr", "foot_H2O", "ftH2O", "psi", "ksi", "barie", 
+       "at", "atmosphere", "atm", "barye", "level", "layer", 
+       "sigma_level", "sigma"};
+
+   /* Find a coordinate var and dim with one of the units above. */
+   return inq_coord_var(ncid, NLEVEL_UNITS, val, NULL, name, lenp, xtypep, 
+			ft_lenp, formula_terms, positive_upp, lon_dimidp, 
+			lon_varidp);
+}
+
+/* Define a time coordinate variable and dimension. */
+int 
+nccf_def_time(int ncid, const char *name, size_t len, nc_type xtype, 
+	      const char *units, const char *standard_name, 
+	      int *time_dimidp, int *time_varidp)
+{
+   return def_coord_var(ncid, name, len, xtype, units, CF_TIME_AXIS, 0, 
+			standard_name, NULL, NCCF_TIME, time_dimidp, 
+			time_varidp);
+}
+
+/* Inquire about a vertical dimension and coordinate variable. */
+int 
+nccf_inq_time(int ncid, char *name, size_t *lenp, nc_type *xtypep, 
+	      int *time_dimidp, int *time_varidp)
+{
+   char val[NTIME_UNITS][CF_MAX_LEN] = {"second", "day", "hour", "minute", "s", 
+					"sec", "shake", "sidereal_day", "sidereal_hour", 
+					"sidereal_minute", "sidereal_second", 
+					"sidereal_year", "tropical_year", "lunar_month", 
+					"common_year", "leap_year", "Julian_year", 
+					"Gregorian_year", "sidereal_month", "tropical_month", 
+					"d", "min", "hr", "h", "fortnight", "week", "jiffy", 
+					"jiffies", "year", "yr", "a", "eon", "month"};
+
+   return inq_coord_var(ncid, NTIME_UNITS, val, NULL, NULL, lenp, xtypep, NULL, 
+			NULL, NULL, time_dimidp, time_varidp);
+}
+
+/* Define one of the unitless vertical coordinate variables from
+ * appendix D of the CF document. */
+static int
+def_vert_var(int ncid, const char *name, nc_type xtype, size_t len, 
+	     int nterms, int *term_id, const char *ft_format, 
+	     int *lvl_dimidp, int *lvl_varidp)
+{
+   char formula_terms[CF_MAX_FT_LEN + 1];
+   char term_name[CF_MAX_FT_VARS][NC_MAX_NAME + 1];
+   int v;
+   int ret;
+
+   if (strlen(name) > NC_MAX_NAME)
+      return CF_EMAX_NAME;
+
+   /* Find names of the vars to put in formula terms.*/
+   for (v = 0; v < nterms; v++)
+   {
+      if (term_id[v] == -99)
+	 strcpy(term_name[v], name);
+      else
+	 if ((ret = nc_inq_varname(ncid, term_id[v], term_name[v])))
+	    return ret;
+   }
+
+   /* Assemble the formula terms attribute, depending on how many
+    * terms are in use. */
+   switch (nterms)
+   {
+      case 1:
+	 sprintf(formula_terms, ft_format, term_name[0]);
+	 break;
+      case 2:
+	 sprintf(formula_terms, ft_format, term_name[0], term_name[1]);
+	 break;
+      case 3:
+	 sprintf(formula_terms, ft_format, term_name[0], term_name[1], 
+		 term_name[2]);
+	 break;
+      case 4:
+	 sprintf(formula_terms, ft_format, term_name[0], term_name[1], 
+		 term_name[2], term_name[3]);
+	 break;
+      case 5:
+	 sprintf(formula_terms, ft_format, term_name[0], term_name[1], 
+		 term_name[2], term_name[3], term_name[4]);
+	 break;
+      case 6:
+	 sprintf(formula_terms, ft_format, term_name[0], term_name[1], 
+		 term_name[2], term_name[3], term_name[4], term_name[5]);
+	 break;
+      case 7:
+	 sprintf(formula_terms, ft_format, term_name[0], term_name[1], 
+		 term_name[2], term_name[3], term_name[4], term_name[5], 
+		 term_name[6]);
+	 break;
+      default:
+	 return CF_EINVAL;
+   }
+      
+   /* Create the coordinate variable and dimension with this
+    * formula_terms. */
+   return def_coord_var(ncid, name, len, xtype, NULL, CF_LEVEL_AXIS, 
+			0, STD_SIGMA, formula_terms, NCCF_GEOZ, 
+			lvl_dimidp, lvl_varidp);
+}
+
+static int
+nccf_set_ft(int ncid, int varid, int nterms, int *ft_varids, 
+	    const char *ft_format)
+{
+   char formula_terms[CF_MAX_FT_LEN + 1];
+   char term_name[CF_MAX_FT_VARS][NC_MAX_NAME + 1];
+   int v;
+   int ret;
+
+   /* Find names of the vars to put in formula terms.*/
+   for (v = 0; v < nterms; v++)
+      if ((ret = nc_inq_varname(ncid, ft_varids[v], term_name[v])))
+	 return ret;
+
+   /* Assemble the formula terms attribute, depending on how many
+    * terms are in use. */
+   switch (nterms)
+   {
+      case 1:
+	 sprintf(formula_terms, ft_format, term_name[0]);
+	 break;
+      case 2:
+	 sprintf(formula_terms, ft_format, term_name[0], term_name[1]);
+	 break;
+      case 3:
+	 sprintf(formula_terms, ft_format, term_name[0], term_name[1], 
+		 term_name[2]);
+	 break;
+      case 4:
+	 sprintf(formula_terms, ft_format, term_name[0], term_name[1], 
+		 term_name[2], term_name[3]);
+	 break;
+      case 5:
+	 sprintf(formula_terms, ft_format, term_name[0], term_name[1], 
+		 term_name[2], term_name[3], term_name[4]);
+	 break;
+      case 6:
+	 sprintf(formula_terms, ft_format, term_name[0], term_name[1], 
+		 term_name[2], term_name[3], term_name[4], term_name[5]);
+	 break;
+      case 7:
+	 sprintf(formula_terms, ft_format, term_name[0], term_name[1], 
+		 term_name[2], term_name[3], term_name[4], term_name[5], 
+		 term_name[6]);
+	 break;
+      default:
+	 return CF_EINVAL;
+   }
+
+   /* Attatch the formula_terms attribute to the coordinate variable. */
+   if ((ret = nc_put_att_text(ncid, varid, CF_FORMULA_TERMS, 
+			      strlen(formula_terms) + 1, formula_terms)))
+      return ret;
+
+   return CF_NOERR;
+}
+
+/* Find out about one of the unitless vertical coordinates in appendix
+ * D of the CF document. */
+static int 
+inq_vert_var(int ncid, const char *standard_name, int nterms, 
+	     const char *ft_format, int *termids, char *name, 
+	     nc_type *xtypep, size_t *lenp, int *lvl_dimidp, 
+	     int *lvl_varidp)
+{
+   char formula_terms[CF_MAX_FT_LEN + 1];
+   char term_name[FT_MAX_TERMS][CF_MAX_FT_LEN + 1];
+   size_t ft_len;
+   int t;
+   int ret;
+   
+   /* Get some of the info, including the formula_terms attribute. */
+   if ((ret = inq_coord_var(ncid, 0, NULL, standard_name, name, lenp, 
+			    xtypep, &ft_len, formula_terms, NULL, 
+			    lvl_dimidp, lvl_varidp)))
+      return ret;
+   
+   /* Was the formula_terms attribute too big? */
+   if (ft_len > CF_MAX_FT_LEN)
+      return CF_EMAXFT;
+
+   /* Parse the formula_terms attribute, depending on the number of
+    * terms in use. */
+   switch (nterms)
+   {
+      case 1:
+	 if (sscanf(formula_terms, ft_format, term_name[0]) != nterms)
+	    return CF_EBADFT;
+	 break;
+      case 2:
+	 if (sscanf(formula_terms, ft_format, term_name[0], 
+		    term_name[1]) != nterms)
+	    return CF_EBADFT;
+	 break;
+      case 3:
+	 if (sscanf(formula_terms, ft_format, term_name[0], term_name[1], 
+		    term_name[2]) != nterms)
+	    return CF_EBADFT;
+	 break;
+      case 4:
+	 if (sscanf(formula_terms, ft_format, term_name[0], term_name[1], 
+		    term_name[2], term_name[3]) != nterms)
+	    return CF_EBADFT;
+	 break;
+      case 5:
+	 if (sscanf(formula_terms, ft_format, term_name[0], term_name[1], 
+		    term_name[2], term_name[3], term_name[4]) != nterms)
+	    return CF_EBADFT;
+	 break;
+      case 6:
+	 if (sscanf(formula_terms, ft_format, term_name[0], term_name[1], 
+		    term_name[2], term_name[3], term_name[4], 
+		    term_name[5]) != nterms)
+	    return CF_EBADFT;
+	 break;
+      case 7:
+	 if (sscanf(formula_terms, ft_format, term_name[0], term_name[1], 
+		    term_name[2], term_name[3], term_name[4], term_name[5], 
+		    term_name[6]) != nterms)
+	    return CF_EBADFT;
+	 break;
+      default:
+	 return CF_EINVAL;
+   }
+
+   /* Convert the names of the terms into variable ids, and return
+    * them in the termids array. */
+   if (termids)
+      for (t = 0; t < nterms; t++)
+	 if ((ret = nc_inq_varid(ncid, term_name[t], &termids[t])))
+	    return ret;
+
+   return CF_NOERR;
+}
+
+/*
+  Atmosphere natural log pressure coordinate
+
+  standard_name = "atmosphere_ln_pressure_coordinate"
+
+  Definition:
+
+  p(k) = p0 * exp(-lev(k))
+
+  where p(k) is the pressure at gridpoint (k), p0 is a reference
+  pressure, lev(k) is the dimensionless coordinate at vertical gridpoint
+  (k).
+
+  The format for the formula_terms attribute is
+
+  formula_terms = "p0: var1 lev: var2"
+*/
+int 
+nccf_def_lvl_atm_ln(int ncid, const char *name, nc_type xtype, size_t len, 
+		    int *lvl_dimidp, int *lvl_varidp)
+{
+   return def_coord_var(ncid, name, len, xtype, NULL, CF_LEVEL_AXIS, 
+			0, STD_ATM_LN, NULL, NCCF_GEOZ, lvl_dimidp, 
+			lvl_varidp);
+}
+
+int 
+nccf_def_ft_atm_ln(int ncid, int varid, int pref_varid)
+{
+   int ft_varids[FT_MAX_TERMS];
+   
+   ft_varids[0] = pref_varid;
+
+   return nccf_set_ft(ncid, varid, FT_ATM_LN_TERMS, ft_varids, FT_ATM_LN_FORMAT);
+}
+
+/* Atmosphere natural log pressure coordinate. */
+int 
+nccf_inq_lvl_atm_ln(int ncid, char *name, nc_type *xtypep, size_t *lenp, 
+		    int *pref_varidp, int *lvl_dimidp, int *lvl_varidp)
+{
+   int termids[FT_ATM_LN_TERMS];
+   int ret;
+
+   /* Get most of the info from inq_vert_var. */
+   if ((ret = inq_vert_var(ncid, STD_ATM_LN, FT_ATM_LN_TERMS, FT_ATM_LN_FORMAT, 
+			   termids, name, xtypep, lenp, lvl_dimidp, lvl_varidp)))
+      return ret;
+
+   /* Pull out the varids for atm_ln level coordinate formula terms. */
+   if (pref_varidp)
+      *pref_varidp = termids[0];
+
+   return CF_NOERR;
+}
+
+/* Create a unitless vertical dimension/variable from appendix D of
+ * the CF standard. */
+int 
+nccf_def_lvl_vert(int ncid, int lvl_type, const char *name, nc_type xtype, 
+		  size_t len, int *lvl_dimidp, int *lvl_varidp)
+{
+   /* Must be a known level type... */
+   if (lvl_type < 0 || lvl_type >= CF_NUM_VERT)
+      return CF_EINVAL;
+
+   /* Do the deed! */
+   return def_coord_var(ncid, name, len, xtype, NULL, CF_LEVEL_AXIS, 0, 
+			vert_std_name[lvl_type], NULL, NCCF_GEOZ, lvl_dimidp, 
+			lvl_varidp);
+}
+
+/* Define a vertical sigma coordinate dimension. 
+   From the CF doc:
+
+   Atmosphere sigma coordinate:  
+   float lev(lev) ;
+   lev:long_name = "sigma at layer midpoints" ;
+   lev:positive = "down" ;
+   lev:standard_name = "atmosphere_sigma_coordinate" ;
+   lev:formula_terms = "sigma: lev ps: PS ptop: PTOP" ;
+*/
+int 
+nccf_def_lvl_sigma(int ncid, const char *name, nc_type xtype, size_t len, 
+		   int *lvl_dimidp, int *lvl_varidp)
+{
+   return def_coord_var(ncid, name, len, xtype, NULL, CF_LEVEL_AXIS, 
+			0, STD_SIGMA, NULL, NCCF_GEOZ, lvl_dimidp, 
+			lvl_varidp);
+}
+
+/* Set the formula_terms to contain information about this level. */
+int
+nccf_def_ft_sigma(int ncid, int lvl_vid, int ps_vid, int p0_vid)
+{
+   int ft_varids[FT_MAX_TERMS];
+   
+   ft_varids[0] = lvl_vid;
+   ft_varids[1] = ps_vid;
+   ft_varids[2] = p0_vid;
+   return nccf_set_ft(ncid, lvl_vid, FT_SIGMA_TERMS, ft_varids, FT_SIGMA_FORMAT);
+}
+
+int 
+nccf_inq_lvl_vert(int ncid, char *name, nc_type *xtypep, size_t *lenp, 
+		  int *lvl_typep, int *lvl_dimidp, int *lvl_varidp)
+{
+   char dim_name[NC_MAX_NAME + 1];
+   int varid, d, ndims, v;
+   size_t name_len;
+   char standard_name[NC_MAX_NAME + 1], var_name[NC_MAX_NAME + 1];
+   size_t dim_len;
+   nc_type var_type;
+   int ret;
+
+   /* Loop thru vars in file to see if any has a standard name that
+    * matches one of the standard names of the appendix D vertical
+    * dimensions.*/
+   if ((ret = nc_inq_ndims(ncid, &ndims)))
+      return ret;
+   for (d = 0; d < ndims; d++)
+   {
+      /* Any var with same name as this dim? */
+      if ((ret = nc_inq_dimname(ncid, d, dim_name)))
+	 return ret;
+      ret = nc_inq_varid(ncid, dim_name, &varid);
+      if (ret == NC_ENOTVAR)
+	 continue; 
+      else if (ret)
+	 return ret;
+      else
+      {
+	 /* Find length of standard_name attribute, if it exists. */
+	 ret = nc_inq_attlen(ncid, varid, CF_STANDARD_NAME, &name_len);
+	 if (ret == NC_ENOTATT)
+	    continue;
+	 else if (ret)
+	    return ret;
+
+	 /* If the name is not too long, read it in. */
+	 if (name_len > NC_MAX_NAME)
+	    return CF_EMAX_NAME;
+	 if ((ret = nc_get_att_text(ncid, varid, CF_STANDARD_NAME, standard_name)))
+	    return ret;
+
+	 /* Compare the standard name to our list of unitless vert
+	  * dimension standard names. */
+	 for (v = 0; v < CF_NUM_VERT; v++)
+	 {
+	    if (!strncmp(vert_std_name[v], standard_name, strlen(vert_std_name[v])))
+	       break;
+	 }
+	 if (v < CF_NUM_VERT)
+	    break;
+      }
+   }
+
+   /* If we went thru all dimensions, I guess we didn't find a
+    * unitless vertical coordinate variable. Boo hoo! */
+   if (d == ndims)
+      return CF_ENOTFOUND;
+
+   /* Learn the type and name from the coordinate variable. */
+   if ((ret = nc_inq_var(ncid, v, var_name, &var_type, NULL, NULL, NULL)))
+      return ret;
+
+   /* Learn the length from the coordinate dimension. */
+   if ((ret = nc_inq_dim(ncid, d, NULL, &dim_len)))
+      return ret;
+
+   /* Give the user the results they are interested in. */
+   if (name)
+      strcpy(name, var_name);
+
+   if (xtypep)
+      *xtypep = var_type;
+
+   if (lenp)
+      *lenp = dim_len;
+
+   if (lvl_dimidp)
+      *lvl_dimidp = d;
+
+   if (lvl_typep)
+      *lvl_typep = v;
+
+   if (lvl_varidp)
+      *lvl_varidp = varid;
+
+   return CF_NOERR;
+}
+
+/* Inquire about atmosphere sigma coordinate. */
+int 
+nccf_inq_lvl_sigma(int ncid, char *name, nc_type *xtypep, size_t *lenp, 
+		   int *ps_varidp, int *ptop_varidp, int *lvl_dimidp, 
+		   int *lvl_varidp)
+{
+   int termids[FT_SIGMA_TERMS];
+   int ret;
+
+   /* Get most of the info from inq_vert_var. */
+   if ((ret = inq_vert_var(ncid, STD_SIGMA, FT_SIGMA_TERMS, FT_SIGMA_FORMAT, 
+			   termids, name, xtypep, lenp, lvl_dimidp, lvl_varidp)))
+      return ret;
+
+   /* Pull out the varids for sigma level coordinate formula terms. */
+   if (ps_varidp)
+      *ps_varidp = termids[1];
+   if (ptop_varidp)
+      *ptop_varidp = termids[2];
+
+   return CF_NOERR;
+}
+
+/*
+  Atmosphere hybrid sigma pressure coordinate
+
+  standard_name = "atmosphere_hybrid_sigma_pressure_coordinate"
+
+  Definition:
+
+  p(n,k,j,i) = a(k)*p0 + b(k)*ps(n,j,i)
+
+  or
+
+  p(n,k,j,i) = ap(k) + b(k)*ps(n,j,i)
+
+  where p(n,k,j,i) is the pressure at gridpoint (n,k,j,i), a(k) or ap(k)
+  and b(k) are components of the hybrid coordinate at level k, p0 is a
+  reference pressure, and ps(n,j,i) is the surface pressure at
+  horizontal gridpoint (j,i) and time (n). The choice of whether a(k) or
+  ap(k) is used depends on model formulation; the former is a
+  dimensionless fraction, the latter a pressure value. In both
+  formulations, b(k) is a dimensionless fraction.
+
+  The format for the formula_terms attribute is
+
+  formula_terms = "a: var1 b: var2 ps: var3 p0: var4"
+
+  where a is replaced by ap if appropriate.
+
+  The hybrid sigma-pressure coordinate for level k is defined as
+  a(k)+b(k) or ap(k)/p0+b(k), as appropriate.
+
+*/
+int 
+nccf_def_lvl_hybrid_sigma(int ncid, const char *name, nc_type xtype, size_t len, 
+			  int *lvl_dimidp, int *lvl_varidp)
+{
+   /* Create the coordinate variable and dimension with no
+    * formula_terms. */
+   return def_coord_var(ncid, name, len, xtype, NULL, CF_LEVEL_AXIS, 
+			0, STD_HYBRID_SIGMA, NULL, NCCF_GEOZ, lvl_dimidp, 
+			lvl_varidp);
+}
+
+/* Set the formula_terms atribute to contain all this information. */
+int
+nccf_def_ft_hybrid_sigma(int ncid, int lvl_vid, int a_vid, int b_vid, int ps_vid, 
+			 int p0_vid)
+{
+   int ft_varids[FT_MAX_TERMS];
+   
+   ft_varids[0] = a_vid;
+   ft_varids[1] = b_vid;
+   ft_varids[2] = ps_vid;
+   ft_varids[3] = p0_vid;
+   return nccf_set_ft(ncid, lvl_vid, FT_HYBRID_SIGMA_TERMS, ft_varids, 
+		      FT_HYBRID_SIGMA_FORMAT);
+}
+
+/* #define CF_4D 4 */
+/* int */
+/* nccf_def_hybrid_sigma(int ncid, char names[CF_4D][NC_MAX_NAME+1], int *lens,  */
+/* 		      nc_type *types, int *dids, int *vids, int *term_vids)  */
+/* { */
+/*    return nccf_def_coord_system(ncid, CF_VERT_HYBRID_SIGMA, names, lens, types, time_units,  */
+/* 				FT_HYBRID_SIGMA_TERMS, term_names, term_types, term_ndims, */
+/* 				term_dimids, did, vids, term_vids); */
+/* } */
+
+/* int */
+/* nccf_def_coord_system(int ncid, int vert_axis_type, char name[CF_4D][NC_MAX_NAME+1],  */
+/* 		      int *lens, nc_type *types, char *time_units, int nterms,  */
+/* 		      char *term_names, nc_type *term_types, int *term_ndims,  */
+/* 		      int *term_dimds, int *dids, int *vids, int *term_vids)  */
+/* { */
+/*    int t; */
+/*    int ret; */
+
+/*    /\* Create the latitude and longitude dimensions and variables, with */
+/*     * appropriate attributes. *\/ */
+/*    if ((ret = nccf_def_latitude(ncid, lens[0], types[0], &did[0], &vid[0]))) */
+/*       return ret; */
+/*    if ((ret = nccf_def_longitude(ncid, lens[1], types[1], &did[1], &vid[1]))) */
+/*       return ret; */
+
+/*    /\* Create the vertical axis dimension and variable. *\/ */
+/*    if (def_coord_var(ncid, names[2], lens[2], types[2], NULL, CF_LEVEL_AXIS,  */
+/* 		     0, vert_axis_type, NULL, NCCF_GEOZ, &did[2], &vid[2]))  */
+/*       return ret; */
+
+/*    /\* Now define the time coordinate variable and dimension. *\/ */
+/*    if ((ret = nccf_def_time(ncid, names[3], lens[3], types[3], time_units,  */
+/* 			    "time", &did[3], &vid[3]))) */
+/*       return ret; */
+
+/*    /\* Before we can set up the formula_terms attribute, we need to */
+/*     * define some additional variables specific to this type of */
+/*     * vertical dimension. *\/ */
+/*    for (t = 0; t < nterms; t++) */
+/*    { */
+/*       if ((ret = nc_def_var(ncid, term_names[t], term_types[t], 1, did, &a_vid))) */
+/* 	 return ret; */
+/*    } */
+
+/*    if ((ret = nc_def_var(ncid, "b", NC_FLOAT, 1, did, &b_vid))) */
+/*       return ret; */
+/*    if ((ret = nc_def_var(ncid, "ps", NC_FLOAT, 2, did, &ps_vid))) */
+/*       return ret; */
+/*    if ((ret = nc_def_var(ncid, "P0", NC_FLOAT, 0, NULL, &p0_vid))) */
+/*       return ret; */
+
+/*    if ((ret = nccf_def_ft_hybrid_sigma(ncid, lvl_vid, a_vid, b_vid, ps_vid,  */
+/* 				       p0_vid))) */
+/*       return ret; */
+
+/*    return CF_NOERR; */
+/* } */
+
+/* #define A_NDIMS 1 */
+/* #define B_NDIMS 1 */
+/* #define P0_NDIMS 0 */
+/* #define PS_NDIMS 3 */
+/* int  */
+/* nccf_def_lvl_hybrid_sigma_full(int ncid, const char *name, nc_type xtype, size_t len,  */
+/* 			       const char *a_name, nc_type a_type, int *a_varid, const char *a_units, */
+/* 			       const char *b_name, nc_type b_type, int *b_varid, const char *b_units, */
+/* 			       const char *ps_name, nc_type ps_type, int *ps_varid, const char *ps_units, */
+/* 			       const char *p0_name, nc_type p0_type, int *p0_varid, const char *p0_units, */
+/* 			       int *lvl_dimidp, int *lvl_varidp) */
+/* { */
+/*    int termids[FT_HYBRID_SIGMA_TERMS] = {a_varid, b_varid, ps_varid, p0_varid}; */
+/*    int ret; */
+
+/*    /\* Create the coordinate variable and dimension without */
+/*     * formula_terms. *\/ */
+/*    if ((ret = def_coord_var(ncid, name, len, xtype, NULL, CF_LEVEL_AXIS,  */
+/* 			    0, STD_SIGMA, NULL, NCCF_GEOZ,  */
+/* 			    lvl_dimidp, lvl_varidp))) */
+/*       return ret; */
+
+/*    if ((ret = nc_def_var(ncid, a_name, a_type, A_NDIMS,  */
+   
+/* } */
+
+/* Inquire about atmosphere hybrid_sigma coordinate. */
+int 
+nccf_inq_lvl_hybrid_sigma(int ncid, char *name, nc_type *xtypep, size_t *lenp, 
+			  int *a_varidp, int *b_varidp, int *ps_varidp, 
+			  int *p0_varidp, int *lvl_dimidp, int *lvl_varidp)
+{
+   int termids[FT_HYBRID_SIGMA_TERMS];
+   int ret;
+
+   /* Get most of the info from inq_vert_var. */
+   if ((ret = inq_vert_var(ncid, STD_HYBRID_SIGMA, FT_HYBRID_SIGMA_TERMS, 
+			   FT_HYBRID_SIGMA_FORMAT, termids, name, xtypep, 
+			   lenp, lvl_dimidp, lvl_varidp)))
+      return ret;
+
+   /* Pull out the varids for hybrid_sigma level coordinate formula terms. */
+   if (a_varidp)
+      *a_varidp = termids[0];
+   if (b_varidp)
+      *b_varidp = termids[1];
+   if (ps_varidp)
+      *ps_varidp = termids[2];
+   if (p0_varidp)
+      *p0_varidp = termids[3];
+
+   return CF_NOERR;
+}
+
+/* Atmosphere hybrid height coordinate
+
+   standard_name = "atmosphere_hybrid_height_coordinate"
+
+   Definition:
+   z(n,k,j,i) = a(k) + b(k)*orog(n,j,i)
+
+   where z(n,k,j,i) is the height above the geoid (approximately mean
+   sea level) at gridpoint (k,j,i) and time (n), orog(n,j,i) is the
+   height of the surface above the geoid at (j,i) and time (n), and
+   a(k) and b(k) are the coordinates which define hybrid height level
+   k. a(k) has the dimensions of height and b(k) is dimensionless.
+
+   The format for the formula_terms attribute is
+   formula_terms = "a: var1 b: var2 orog: var3"
+
+   There is no dimensionless hybrid height coordinate. The hybrid
+   height is best approximated as a(k) if a level-dependent constant
+   is needed.
+*/
+int 
+nccf_def_lvl_hybrid_height(int ncid, const char *name, nc_type xtype, size_t len, 
+			   int *lvl_dimidp, int *lvl_varidp)
+{
+   /* Create the coordinate variable and dimension with no
+    * formula_terms. */
+   return def_coord_var(ncid, name, len, xtype, NULL, CF_LEVEL_AXIS, 
+			0, STD_HYBRID_HEIGHT, NULL, NCCF_GEOZ, lvl_dimidp, 
+			lvl_varidp);
+}
+
+int 
+nccf_def_ft_hybrid_height(int ncid, int varid, int a_varid, int b_varid, 
+			  int orog_varid)
+{
+   int ft_varids[FT_HYBRID_HEIGHT_TERMS];
+
+   ft_varids[0] = a_varid;
+   ft_varids[1] = b_varid;
+   ft_varids[2] = orog_varid;
+   return nccf_set_ft(ncid, varid, FT_HYBRID_HEIGHT_TERMS, ft_varids, 
+		      FT_HYBRID_HEIGHT_FORMAT);
+}
+
+/* Inquire about atmosphere hybrid_height coordinate. */
+int 
+nccf_inq_lvl_hybrid_height(int ncid, char *name, nc_type *xtypep, size_t *lenp, 
+			   int *a_varidp, int *b_varidp, int *orog_varidp, 
+			   int *lvl_dimidp, int *lvl_varidp)
+{
+   int termids[FT_HYBRID_HEIGHT_TERMS];
+   int ret;
+
+   /* Get most of the info from inq_vert_var. */
+   if ((ret = inq_vert_var(ncid, STD_HYBRID_HEIGHT, FT_HYBRID_HEIGHT_TERMS, 
+			   FT_HYBRID_HEIGHT_FORMAT, termids, name, xtypep, 
+			   lenp, lvl_dimidp, lvl_varidp)))
+      return ret;
+
+   /* Pull out the varids for hybrid_height level coordinate formula terms. */
+   if (a_varidp)
+      *a_varidp = termids[1];
+   if (b_varidp)
+      *b_varidp = termids[2];
+   if (orog_varidp)
+      *orog_varidp = termids[3];
+
+   return CF_NOERR;
+}
+
+/* Atmosphere smooth level vertical (SLEVE) coordinate
+
+   standard_name = "atmosphere_sleve_coordinate"
+
+   Definition:
+   z(n,k,j,i) = a(k)*ztop + b1(k)*zsurf1(n,j,i) + b2(k)*zsurf2(n,j,i)
+
+   where z(n,k,j,i) is the height above the geoid (approximately mean
+   sea level) at gridpoint (k,j,i) and time (n), ztop is the height of
+   the top of the model, and a(k), b1(k) and b2(k) are the
+   dimensionless coordinates which define hybrid height level
+   k. zsurf1(n,j,i) and zsurf2(n,j,i) are respectively the large and
+   small scale parts of the topography. See Schaer et al [SCH02] for
+   details.
+
+   The format for the formula_terms attribute is
+
+   formula_terms = "a: var1 b1: var2 b2: var3 ztop: var4 zsurf1: var5
+   zsurf2: var6"
+
+   The hybrid height coordinate for level k is defined as a(k)*ztop.
+*/
+int 
+nccf_def_lvl_sleve(int ncid, const char *name, nc_type xtype, size_t len, 
+		   int *lvl_dimidp, int *lvl_varidp)
+{
+   /* Create the coordinate variable and dimension with no
+    * formula_terms. */
+   return def_coord_var(ncid, name, len, xtype, NULL, CF_LEVEL_AXIS, 
+			0, STD_SLEVE, NULL, NCCF_GEOZ, lvl_dimidp, 
+			lvl_varidp);
+}
+
+int 
+nccf_def_ft_sleve(int ncid, int varid, int a_varid, int b1_varid, int b2_varid, 
+		  int ztop_varid, int zsurf1_varid, int zsurf2_varid)
+{
+   int ft_varids[FT_SLEVE_TERMS];
+
+   ft_varids[0] = a_varid;
+   ft_varids[1] = b1_varid;
+   ft_varids[2] = b2_varid;
+   ft_varids[3] = ztop_varid;
+   ft_varids[4] = zsurf1_varid;
+   ft_varids[5] = zsurf2_varid;
+   return nccf_set_ft(ncid, varid, FT_SLEVE_TERMS, ft_varids, FT_SLEVE_FORMAT);
+}
+
+/* Inquire about atmosphere sleve coordinate. */
+int 
+nccf_inq_lvl_sleve(int ncid, char *name, nc_type *xtypep, size_t *lenp, 
+		   int *a_varidp, int *b1_varidp, int *b2_varidp, int *ztop_varidp, 
+		   int *zsurf1_varidp, int *zsurf2_varidp, int *lvl_dimidp, 
+		   int *lvl_varidp)
+{
+   int termids[FT_SLEVE_TERMS];
+   int ret;
+
+   /* Get most of the info from inq_vert_var. */
+   if ((ret = inq_vert_var(ncid, STD_SLEVE, FT_SLEVE_TERMS, FT_SLEVE_FORMAT, 
+			   termids, name, xtypep, lenp, lvl_dimidp, lvl_varidp)))
+      return ret;
+
+   /* Pull out the varids for sleve level coordinate formula terms. */
+   if (a_varidp)
+      *a_varidp = termids[0];
+   if (b1_varidp)
+      *b1_varidp = termids[1];
+   if (b2_varidp)
+      *b2_varidp = termids[2];
+   if (ztop_varidp)
+      *ztop_varidp = termids[3];
+   if (zsurf1_varidp)
+      *zsurf1_varidp = termids[4];
+   if (zsurf2_varidp)
+      *zsurf2_varidp = termids[5];
+
+   return CF_NOERR;
+}
+
+/* Ocean sigma coordinate
+
+   standard_name = "ocean_sigma_coordinate"
+
+   Definition:
+   z(n,k,j,i) = eta(n,j,i) + sigma(k) * (depth(j,i)+eta(n,j,i))
+
+   where z(n,k,j,i) is height, positive upwards, relative to ocean
+   datum (e.g. mean sea level) at gridpoint (n,k,j,i), eta(n,j,i) is
+   the height of the ocean surface, positive upwards, relative to
+   ocean datum at gridpoint (n,j,i), sigma(k) is the dimensionless
+   coordinate at vertical gridpoint (k), and depth(j,i) is the
+   distance from ocean datum to sea floor (positive value) at
+   horizontal gridpoint (j,i).
+
+   The format for the formula_terms attribute is
+   formula_terms = "sigma: var1 eta: var2 depth: var3"
+*/
+int 
+nccf_def_lvl_ocean_sigma(int ncid, const char *name, nc_type xtype, size_t len, 
+			 int *lvl_dimidp, int *lvl_varidp)
+{
+   /* Create the coordinate variable and dimension with no
+    * formula_terms. */
+   return def_coord_var(ncid, name, len, xtype, NULL, CF_LEVEL_AXIS, 
+			0, STD_OCEAN_SIGMA, NULL, NCCF_GEOZ, lvl_dimidp, 
+			lvl_varidp);
+}
+
+int 
+nccf_def_ft_ocean_sigma(int ncid, int varid, int eta_varid, int depth_varid)
+{
+   int ft_varids[FT_OCEAN_SIGMA_TERMS];
+
+   ft_varids[0] = varid;
+   ft_varids[1] = eta_varid;
+   ft_varids[2] = depth_varid;
+   return nccf_set_ft(ncid, varid, FT_OCEAN_SIGMA_TERMS, ft_varids, 
+		      FT_OCEAN_SIGMA_FORMAT);
+}
+
+/* Inquire about atmosphere ocean_sigma coordinate. */
+int 
+nccf_inq_lvl_ocean_sigma(int ncid, char *name, nc_type *xtypep, size_t *lenp, 
+			 int *eta_varidp, int *depth_varidp, int *lvl_dimidp, 
+			 int *lvl_varidp)
+{
+   int termids[FT_OCEAN_SIGMA_TERMS];
+   int ret;
+
+   /* Get most of the info from inq_vert_var. */
+   if ((ret = inq_vert_var(ncid, STD_OCEAN_SIGMA, FT_OCEAN_SIGMA_TERMS, FT_OCEAN_SIGMA_FORMAT, 
+			   termids, name, xtypep, lenp, lvl_dimidp, lvl_varidp)))
+      return ret;
+
+   /* Pull out the varids for ocean_sigma level coordinate formula terms. */
+   if (eta_varidp)
+      *eta_varidp = termids[1];
+   if (depth_varidp)
+      *depth_varidp = termids[2];
+
+   return CF_NOERR;
+}
+
+/* Ocean s-coordinate
+
+   standard_name = "ocean_s_coordinate"
+
+   z(n,k,j,i) = eta(n,j,i)*(1+s(k)) + depth_c*s(k) +
+   (depth(j,i)-depth_c)*C(k)
+
+   C(k) = (1-b)*sinh(a*s(k))/sinh(a) + 
+   b*[tanh(a*(s(k)+0.5))/(2*tanh(0.5*a)) - 0.5]
+
+   where z(n,k,j,i) is height, positive upwards, relative to ocean
+   datum (e.g. mean sea level) at gridpoint (n,k,j,i), eta(n,j,i) is
+   the height of the ocean surface, positive upwards, relative to
+   ocean datum at gridpoint (n,j,i), s(k) is the dimensionless
+   coordinate at vertical gridpoint (k), and depth(j,i) is the
+   distance from ocean datum to sea floor (positive value) at
+   horizontal gridpoint (j,i). The constants a, b, and depth_c control
+   the stretching.
+
+   The format for the formula_terms attribute is
+
+   formula_terms = "s: var1 eta: var2 depth: var3 a: var4 b: var5
+   depth_c: var6"
+*/
+int 
+nccf_def_lvl_ocean_s(int ncid, const char *name, nc_type xtype, size_t len, 
+		     int *lvl_dimidp, int *lvl_varidp)
+{
+   /* Create the coordinate variable and dimension with no
+    * formula_terms. */
+   return def_coord_var(ncid, name, len, xtype, NULL, CF_LEVEL_AXIS, 
+			0, STD_OCEAN_S, NULL, NCCF_GEOZ, lvl_dimidp, 
+			lvl_varidp);
+}
+
+int 
+nccf_def_ft_ocean_s(int ncid, int varid, int eta_varid, int depth_varid, 
+		    int a_varid, int b_varid, int depth_c_varid)
+{
+   int ft_varids[FT_OCEAN_S_TERMS];
+
+   ft_varids[0] = varid;
+   ft_varids[1] = eta_varid;
+   ft_varids[2] = depth_varid;
+   ft_varids[3] = a_varid;
+   ft_varids[4] = b_varid;
+   ft_varids[5] = depth_c_varid;
+   return nccf_set_ft(ncid, varid, FT_OCEAN_S_TERMS, ft_varids, 
+		      FT_OCEAN_S_FORMAT);
+}
+
+/* Inquire about atmosphere ocean_s coordinate. */
+int 
+nccf_inq_lvl_ocean_s(int ncid, char *name, nc_type *xtypep, size_t *lenp, 
+		     int *eta_varidp, int *depth_varidp, int *a_varidp, int *b_varidp, 
+		     int *depth_c_varidp, int *lvl_dimidp, int *lvl_varidp)
+{
+   int termids[FT_OCEAN_S_TERMS];
+   int ret;
+
+   /* Get most of the info from inq_vert_var. */
+   if ((ret = inq_vert_var(ncid, STD_OCEAN_S, FT_OCEAN_S_TERMS, FT_OCEAN_S_FORMAT, 
+			   termids, name, xtypep, lenp, lvl_dimidp, lvl_varidp)))
+      return ret;
+
+   /* Pull out the varids for ocean_s level coordinate formula terms. */
+   if (eta_varidp)
+      *eta_varidp = termids[1];
+   if (depth_varidp)
+      *depth_varidp = termids[2];
+   if (a_varidp)
+      *a_varidp = termids[3];
+   if (b_varidp)
+      *b_varidp = termids[4];
+   if (depth_c_varidp)
+      *depth_c_varidp = termids[5];
+
+   return CF_NOERR;
+}
+
+/* Ocean sigma over z coordinate
+
+   standard_name = "ocean_sigma_z_coordinate"
+
+   for k <= nsigma:
+   z(n,k,j,i) = eta(n,j,i) + sigma(k)*(min(depth_c,depth(j,i))+eta(n,j,i))
+ 
+   for k > nsigma:
+   z(n,k,j,i) = zlev(k)
+
+   where z(n,k,j,i) is height, positive upwards, relative to ocean
+   datum (e.g. mean sea level) at gridpoint (n,k,j,i), eta(n,j,i) is
+   the height of the ocean surface, positive upwards, relative to
+   ocean datum at gridpoint (n,j,i), sigma(k) is the dimensionless
+   coordinate at vertical gridpoint (k) for k <= nsigma, and
+   depth(j,i) is the distance from ocean datum to sea floor (positive
+   value) at horizontal gridpoint (j,i). Above depth depth_c there are
+   nsigma layers.
+
+   The format for the formula_terms attribute is
+
+   formula_terms = "sigma: var1 eta: var2 depth: var3 depth_c: var4
+   nsigma: var5 zlev: var6"
+*/
+int 
+nccf_def_lvl_ocean_sigma_z(int ncid, const char *name, nc_type xtype, size_t len, 
+			   int *lvl_dimidp, int *lvl_varidp)
+{
+   /* Create the coordinate variable and dimension with no
+    * formula_terms. */
+   return def_coord_var(ncid, name, len, xtype, NULL, CF_LEVEL_AXIS, 
+			0, STD_OCEAN_SIGMA_Z, NULL, NCCF_GEOZ, lvl_dimidp, 
+			lvl_varidp);
+
+}
+
+int 
+nccf_def_ft_ocean_sigma_z(int ncid, int varid, int eta_varid, int depth_varid, 
+			  int depth_c_varid, int nsigma_varid, int zlev_varid)
+{
+   int ft_varids[FT_OCEAN_SIGMA_Z_TERMS];
+
+   ft_varids[0] = varid;
+   ft_varids[1] = eta_varid;
+   ft_varids[2] = depth_varid;
+   ft_varids[3] = depth_c_varid;
+   ft_varids[4] = nsigma_varid;
+   ft_varids[5] = zlev_varid;
+   return nccf_set_ft(ncid, varid, FT_OCEAN_SIGMA_Z_TERMS, ft_varids, 
+		      FT_OCEAN_SIGMA_Z_FORMAT);
+}
+
+/* Inquire about atmosphere ocean_sigma_z coordinate. */
+int 
+nccf_inq_lvl_ocean_sigma_z(int ncid, char *name, nc_type *xtypep, size_t *lenp, 
+			   int *eta_varidp, int *depth_varidp, int *depth_c_varidp, 
+			   int *nsigma_varidp, int *zlev_varidp, int *lvl_dimidp, 
+			   int *lvl_varidp)
+{
+   int termids[FT_OCEAN_SIGMA_Z_TERMS];
+   int ret;
+
+   /* Get most of the info from inq_vert_var. */
+   if ((ret = inq_vert_var(ncid, STD_OCEAN_SIGMA_Z, FT_OCEAN_SIGMA_Z_TERMS, 
+			   FT_OCEAN_SIGMA_Z_FORMAT, termids, name, xtypep, 
+			   lenp, lvl_dimidp, lvl_varidp)))
+      return ret;
+
+   /* Pull out the varids for ocean_sigma_z level coordinate formula terms. */
+   if (eta_varidp)
+      *eta_varidp = termids[1];
+   if (depth_varidp)
+      *depth_varidp = termids[2];
+   if (depth_c_varidp)
+      *depth_c_varidp = termids[3];
+   if (nsigma_varidp)
+      *nsigma_varidp = termids[4];
+   if (zlev_varidp)
+      *zlev_varidp = termids[5];
+
+   return CF_NOERR;
+}
+
+/*
+  Ocean double sigma coordinate
+
+  standard_name = "ocean_double_sigma_coordinate"
+
+  Definition:
+
+  for k <= k_c
+
+  z(k,j,i)= sigma(k)*f(j,i)
+
+  for k > k_c
+
+  z(k,j,i)= f(j,i) + (sigma(k)-1)*(depth(j,i)-f(j,i))
+
+  f(j,i)= 0.5*(z1+ z2) + 0.5*(z1-z2)* tanh(2*a/(z1-z2)*(depth(j,i)-href))
+
+  where z(k,j,i) is height, positive upwards, relative to ocean datum
+  (e.g. mean sea level) at gridpoint (k,j,i), sigma(k) is the
+  dimensionless coordinate at vertical gridpoint (k) for k <= k_c, and
+  depth(j,i) is the distance from ocean datum to sea floor (positive
+  value) at horizontal gridpoint (j,i).  z1, z2, a, and href are
+  constants.
+
+  The format for the formula_terms attribute is:
+
+  formula_terms = "sigma: var1 depth: var2 z1: var3 z2: var4 a: var5 
+  href: var6 k_c: var7"
+*/
+
+int 
+nccf_def_lvl_ocean_dbl_sigma(int ncid, const char *name, nc_type xtype, size_t len, 
+			     int *lvl_dimidp, int *lvl_varidp)
+{
+   /* Create the coordinate variable and dimension with no
+    * formula_terms. */
+   return def_coord_var(ncid, name, len, xtype, NULL, CF_LEVEL_AXIS, 
+			0, STD_OCEAN_DBL_SIGMA, NULL, NCCF_GEOZ, lvl_dimidp, 
+			lvl_varidp);
+}
+
+int 
+nccf_def_ft_ocean_dbl_sigma(int ncid, int varid, int depth_varid, int z1_varid, 
+			    int z2_varid, int a_varid, int href_varid, int k_c_varid)
+{
+   int ft_varids[FT_OCEAN_DBL_SIGMA_TERMS];
+
+   ft_varids[0] = varid;
+   ft_varids[1] = depth_varid;
+   ft_varids[2] = z1_varid;
+   ft_varids[3] = z2_varid;
+   ft_varids[4] = a_varid;
+   ft_varids[5] = href_varid;
+   ft_varids[6] = k_c_varid;
+   return nccf_set_ft(ncid, varid, FT_OCEAN_DBL_SIGMA_TERMS, ft_varids, 
+		      FT_OCEAN_DBL_SIGMA_FORMAT);
+}
+
+/* Inquire about atmosphere ocean_dbl_sigma coordinate. */
+int 
+nccf_inq_lvl_ocean_dbl_sigma(int ncid, char *name, nc_type *xtypep, size_t *lenp, 
+			     int *depth_varidp, int *z1_varidp, int *z2_varidp, 
+			     int *a_varidp, int *href_varidp, int *k_c_varidp, 
+			     int *lvl_dimidp, int *lvl_varidp)
+{
+   int termids[FT_OCEAN_DBL_SIGMA_TERMS];
+   int ret;
+
+   /* Get most of the info from inq_vert_var. */
+   if ((ret = inq_vert_var(ncid, STD_OCEAN_DBL_SIGMA, FT_OCEAN_DBL_SIGMA_TERMS, 
+			   FT_OCEAN_DBL_SIGMA_FORMAT, termids, name, xtypep, 
+			   lenp, lvl_dimidp, lvl_varidp)))
+      return ret;
+
+   /* Pull out the varids for ocean_dbl_sigma level coordinate formula
+    * terms. */
+   if (depth_varidp)
+      *depth_varidp = termids[1];
+   if (z1_varidp)
+      *z1_varidp = termids[2];
+   if (z2_varidp)
+      *z2_varidp = termids[3];
+   if (a_varidp)
+      *a_varidp = termids[4];
+   if (href_varidp)
+      *href_varidp = termids[5];
+   if (k_c_varidp)
+      *k_c_varidp = termids[6];
+
+   return CF_NOERR;
+}
+
diff --git a/src/cferror.c b/src/cferror.c
new file mode 100644
index 0000000..808c23c
--- /dev/null
+++ b/src/cferror.c
@@ -0,0 +1,80 @@
+/*
+  Copyright 2007, University Corporation for Atmospheric Research. See
+  COPYRIGHT file for copying and redistribution conditions.
+
+  This file is part of the NetCDF CF Library. 
+
+  This file handles errors and logging.
+
+  Ed Hartnett, 5/22/07
+
+  $Id: cferror.c,v 1.1 2007/05/22 14:40:33 ed Exp $
+*/
+
+#include <config.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <cferror.h>
+#include <assert.h>
+
+/* This contents of this file get skipped if LOGGING is not defined
+ * during compile. */
+#ifdef LOGGING
+
+/* This is the severity level of messages which will be logged. Use
+   severity 0 for errors, 1 for important log messages, 2 for less
+   important, etc. */
+int cf_log_level = -1;
+
+/* This function prints out a message, if the severity of the message
+   is lower than the global cf_log_level. To use it, do something like
+   this:
+   
+   cf_log(0, "this computer will explode in %d seconds", i);
+
+   After the first arg (the severity), use the rest like a normal
+   printf statement. Output will appear on stdout.
+
+   This function is heavily based on the function in section 15.5 of
+   the C FAQ. */
+void cf_log(int severity, const char *fmt, ...)
+{
+   va_list argp;
+   int t;
+
+   /* If the severity is greater than the log level, we don' care to
+      print this message. */
+   if (severity > cf_log_level)
+      return;
+
+   /* If the severity is zero, this is an error. Otherwise insert that
+      many tabs before the message. */
+   if (!severity)
+      fprintf(stdout, "ERROR: ");
+   for (t=0; t<severity; t++)
+      fprintf(stdout, "\t");
+
+   /* Print out the variable list of args with vprintf. */
+   va_start(argp, fmt);
+   vfprintf(stdout, fmt, argp);
+   va_end(argp);
+   
+   /* Put on a final linefeed. */
+   fprintf(stdout, "\n");
+   fflush(stdout);
+}
+
+/* Use this to set the global log level. Set it to CF_TURN_OFF_LOGGING
+   (-1) to turn off all logging. Set it to 0 to show only errors, and
+   to higher numbers to show more and more logging details. */
+int 
+cf_set_log_level(int new_level)
+{
+   /* Now remember the new level. */
+   cf_log_level = new_level;
+   LOG((4, "log_level changed to %d", cf_log_level));
+   return 0;
+} 
+
+#endif /* LOGGING */
diff --git a/src/cferror.h b/src/cferror.h
new file mode 100644
index 0000000..8cb6af8
--- /dev/null
+++ b/src/cferror.h
@@ -0,0 +1,37 @@
+/*
+  Copyright 2007, University Corporation for Atmospheric Research. See
+  COPYRIGHT file for copying and redistribution conditions.
+
+  This file is part of the NetCDF CF Library. 
+
+  This file handles errors and logging.
+
+  Ed Hartnett, 5/22/07
+*/
+
+#ifndef _CFERROR_
+#define _CFERROR_
+
+#include <config.h>
+#include <stdlib.h>
+#include <assert.h>
+
+#ifdef LOGGING
+
+/* To log something... */
+void cf_log(int severity, const char *fmt, ...);
+#define LOG(e) cf_log e
+
+#else
+
+/* These definitions will be used unless LOGGING is defined. */
+#define LOG(e)
+#define cf_set_log_level(e)
+#endif
+
+#endif /* _CFERROR_ */
+
+
+
+
+
diff --git a/src/cffcvars.f90 b/src/cffcvars.f90
new file mode 100644
index 0000000..bc19a87
--- /dev/null
+++ b/src/cffcvars.f90
@@ -0,0 +1,85 @@
+module libcf
+  use iso_c_binding
+  implicit none
+
+  ! These interfaces map to the C library calls.
+  interface
+     function nccf_def_convention(ncid) bind(c)
+       use, intrinsic :: iso_c_binding
+       integer(c_int), value :: ncid
+       integer(c_int) :: nccf_def_convention
+     end function nccf_def_convention
+
+     function nccf_def_file(ncid, title, history) bind(c)
+       use, intrinsic :: iso_c_binding
+       integer(c_int), value :: ncid
+       character(len = *), intent(in) :: title
+       character(len = *), intent(in) :: history
+       integer(c_int) :: nccf_def_file
+     end function nccf_def_file
+
+     function nccf_inq_file(ncid, title_len, title, history_len, history) bind(c)
+       use, intrinsic :: iso_c_binding
+       integer(c_int), value :: ncid
+       integer(c_size_t), intent(out) :: title_len
+       character(len = *), intent(out) :: title
+       integer(c_size_t), intent(out) :: history_len
+       character(len = *), intent(out) :: history
+       integer(c_int) :: nccf_inq_file
+     end function nccf_inq_file
+  end interface
+
+contains
+
+  ! These functions are the new libcf F90 API.
+  function cf_def_file(ncid, convention, title, history)
+    use iso_c_binding
+    implicit none
+    integer, intent(in)::ncid
+    character (len = *), optional, intent(in):: convention
+    character (len = *), optional, intent(in):: title
+    character (len = *), optional, intent(in):: history
+    integer:: cf_def_file
+    integer(c_int):: c_ncid
+    character (len = 80) c_title, c_history
+
+    c_ncid = ncid
+    if (present(convention)) then
+       cf_def_file = nccf_def_convention(c_ncid)
+       if (cf_def_file .ne. 0) then
+          return
+       endif
+    endif
+    if (present(title)) then
+       c_title = title
+       c_title(len_trim(title) + 1:len_trim(title) + 1) = achar(0)
+    else
+       c_title = ''
+    endif
+    if (present(history)) then
+       c_history = history
+       c_history(len_trim(history) + 1:len_trim(history) + 1) = achar(0)
+    else
+       c_history = ''
+    endif
+    cf_def_file = nccf_def_file(ncid, c_title, c_history)
+
+  end function cf_def_file
+
+  function cf_inq_file(ncid, title, history)
+    use iso_c_binding
+    implicit none
+    integer, intent(in):: ncid
+    character (len = *), intent(inout):: title, history
+    integer:: cf_inq_file
+    integer(c_size_t):: title_len, history_len
+    character (len = 1), parameter:: NULL = achar(0)
+
+    cf_inq_file = nccf_inq_file(ncid, title_len, title, history_len, history)
+    title(index(title, NULL):len(title)) = ' '
+    title_len = title_len - 1
+    history(index(history, NULL):len(history)) = ' '
+    history_len = history_len - 1
+    end function cf_inq_file
+
+end module libcf
diff --git a/src/cffiles.c b/src/cffiles.c
new file mode 100644
index 0000000..26f1811
--- /dev/null
+++ b/src/cffiles.c
@@ -0,0 +1,357 @@
+/*
+Copyright 2006, University Corporation for Atmospheric Research. See
+COPYRIGHT file for copying and redistribution conditions.
+
+This file is part of the NetCDF CF Library. 
+
+This file handles the libcf file stuff.
+
+Ed Hartnett, 9/1/06
+
+$Id: cffiles.c,v 1.7 2009/04/12 14:10:35 ed Exp $
+*/
+
+#include <config.h>
+#include <libcf.h>
+#include <libcf_int.h>
+#include <netcdf.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <time.h>
+
+/* Get the version string for the CF Library (max length: 
+   NC_MAX_NAME + 1). */
+int
+nccf_inq_libvers(char *version_string)
+{
+   char ver[NC_MAX_NAME + 1];
+
+   sprintf(ver, "libcf library version %s", VERSION);
+   if (version_string)
+      strcpy(version_string, ver);
+
+   return CF_NOERR;
+}
+
+/* Append string to a named global attribute. Create the attribute if
+ * it doesn't exist. */
+static int
+nccf_append_att(int ncid, const char *name, const char *string)
+{
+   char *att_str = NULL;
+   size_t len, new_len;
+   int ret;
+
+   /* Find out if there is an attribute of this name. */
+   ret = nc_inq_attlen(ncid, NC_GLOBAL, name, &len);
+
+   if (ret == NC_ENOTATT)
+   {
+      /* Create the attribute. I will null-terminate this
+       * attribute. */
+      if ((ret = nc_put_att_text(ncid, NC_GLOBAL, name, 
+				 strlen(string) + 1, string)))
+	 return ret;
+   }
+   else if (ret == NC_NOERR)
+   {
+      /* The attribute already exists. Get memory to hold the existing
+       * att plus our version string. Add one for the space, and one
+       * for a terminating null. */
+      new_len = len + strlen(string) + 1;
+      if (!(att_str = malloc(new_len + 1)))
+	 return CF_ENOMEM;
+
+      /* Get the existing attribute value. */
+      if ((ret = nc_get_att_text(ncid, NC_GLOBAL, name, att_str)))
+	 BAIL(CF_ENETCDF);
+
+      /* If it's already in the string, our work is done.*/
+      if (strstr(att_str, string))
+      {
+	 free(att_str);
+	 return CF_NOERR;
+      }
+
+      /* Append our string to the existing att. */
+      att_str[new_len] = 0;
+      strcat(att_str, " ");
+      strcat(att_str, string);
+
+      /* Delete the existing attribute, so we can rewrite it. */
+      if ((ret = nc_del_att(ncid, NC_GLOBAL, name)))
+	 BAIL(ret);
+
+      /* Rewrite the attribute with our string appended. */
+      if ((ret = nc_put_att_text(ncid, NC_GLOBAL, name, 
+				 strlen(att_str) + 1, att_str)))
+	 BAIL(ret);
+   }
+
+  exit:
+   if (att_str) 
+      free(att_str);
+   return ret;
+}
+
+/* From the CF 1.0 conventions:
+
+"We recommend that the NUG defined attribute Conventions be given the
+string value "CF-1.0" to identify datasets that conform to these
+conventions. */
+
+/*  Mark a file with the CF-1.0 string in a Conventions attribute. */
+int 
+nccf_def_convention(int ncid)
+{
+   return nccf_append_att(ncid, CF_CONVENTIONS, CF_CONVENTION_STRING);
+}
+
+int 
+nccf_inq_convention(int ncid, int *cf_convention)
+{
+   size_t len, new_len;
+   char *existing_att = NULL;
+   int ret = CF_NOERR;
+
+   /* Find out if there is a conventions attribute. */
+   ret = nc_inq_attlen(ncid, NC_GLOBAL, CF_CONVENTIONS, &len);
+
+   if (ret == NC_NOERR)
+   {
+      /* Get memory to hold the existing att plus our version
+       * string. */
+      new_len = len + strlen(CF_CONVENTION_STRING) + 1;
+      if (!(existing_att = malloc(new_len)))
+	 return CF_ENOMEM;
+
+      /* Get the existing att. */
+      if ((ret = nc_get_att_text(ncid, NC_GLOBAL, CF_CONVENTIONS, 
+				 existing_att)))
+	 BAIL(CF_ENETCDF);
+
+      /* If it's already in the string, our work is done.*/
+      if (strstr(existing_att, CF_CONVENTION_STRING))
+      {
+	 if (cf_convention)
+	    *cf_convention = 1;
+	 ret = CF_NOERR;
+      }
+   }
+   else if (ret == NC_ENOTATT)
+   {
+      /* No conventions att means no cf conventions. ;-( But this is
+       * not an error. */
+      if (cf_convention)
+	 *cf_convention = 0;
+      ret = NC_NOERR;
+   }
+   else
+      BAIL(CF_ENETCDF);
+
+  exit:
+   if (existing_att) 
+      free(existing_att);
+   return ret;
+}
+
+
+/* From the CF 1.0 conventions:
+
+"The general description of a file's contents should be contained in
+the following attributes: title, history, institution, source, comment
+and references (2.6.2). For backwards compatibility with COARDS none
+of these attributes is required, but their use is recommended to
+provide human readable documentation of the file contents."
+*/
+
+/* Add CF_recomended attributes to a file. Any NULLs will cause the
+ * cooresponding attribute to not be written. */
+int
+nccf_def_file(int ncid, const char *title, const char *history)
+{
+   int ret;
+
+   /* Make sure the file is labled with "CF-1.0" in a Conventions
+    * attribute. */
+   if ((ret = nccf_def_convention(ncid)))
+      return ret;
+
+   /* If title already exists this will return an error. */
+   if (title)
+      if ((ret = nc_put_att_text(ncid, NC_GLOBAL, CF_TITLE,
+				    strlen(title) + 1, title)))
+	 return ret;
+
+   /* This will append to the history attribute, creating it if
+    * needed. */
+   if (history)
+      ret = nccf_add_history(ncid, history);
+
+   return ret;
+}
+
+
+/* Append to the global "history" attribute, with a timestamp. Create
+ * the attribute if it does not exist. */
+#define NCCF_MAX_TIMESTAMP_LEN 35
+int 
+nccf_add_history(int ncid, const char *history)
+{
+   time_t now;
+   char *hist_str;
+   char timestamp[NCCF_MAX_TIMESTAMP_LEN + 1];
+   struct tm *timptr;
+   int ret;
+
+   if (!history)
+      return NC_NOERR;
+
+   /* Get the date and time. */
+   time(&now);
+   if (!(timptr = localtime(&now)))
+      return CF_ETIME;
+   if (!strftime(timestamp, NCCF_MAX_TIMESTAMP_LEN, "%x %X", timptr))
+      return CF_ETIME;
+
+   /* Allocate space for this string, with the time prepended. */
+   if (!(hist_str = malloc(strlen(history) + strlen(timestamp) + 2)))
+      return CF_ENOMEM;
+
+   /* Create a string with the time and then the user's history
+    * comment. */
+   sprintf(hist_str, "%s %s\n", timestamp, history);
+   
+   /* Now append that to the existing history att, or create one. */
+   ret = nccf_append_att(ncid, CF_HISTORY, hist_str);
+
+   /* Free our memory. */
+   free(hist_str);
+
+   return ret;
+}
+
+/* Read the CF annotations. Recall that in C, strlens do not include
+ * the null terminator. To get the lengths before the strings (in
+ * order to allocatate) pass NULL for any or all strngs and the
+ * lengths will be returned. Then call the funtion again after
+ * allocating memory. 
+
+ * The CF version is guarenteed to be less than NC_MAX_NAME.
+
+ * Any of these pointer args may be NULL, in which case it will be
+ * ignored.
+*/
+int
+nccf_inq_file(int ncid, size_t *title_lenp, char *title, 
+	      size_t *history_lenp, char *history)
+{
+   int ret;
+
+   /* Find length of title. */
+   if (title_lenp)
+      if ((ret = nc_inq_attlen(ncid, NC_GLOBAL, CF_TITLE, title_lenp)))
+	 return ret;
+
+   /* Get title. */
+   if (title)
+      if ((ret = nc_get_att_text(ncid, NC_GLOBAL, CF_TITLE, title)))
+	 return ret;
+
+   /* Find length of history. */
+   if (history_lenp)
+      if ((ret = nc_inq_attlen(ncid, NC_GLOBAL, CF_HISTORY, history_lenp)))
+	 return ret;
+
+   /* Get history. */
+   if (history)
+      if ((ret = nc_get_att_text(ncid, NC_GLOBAL, CF_HISTORY, history)))
+	 return ret;
+
+   return NC_NOERR;
+
+}
+/* Add any or all of these four attributes to a file or variable. */
+int 
+nccf_def_notes(int ncid, int varid, const char *institution, 
+	       const char *source, const char *comment, 
+	       const char *references)
+{
+   int ret;
+
+   if (institution)
+      if ((ret = nc_put_att_text(ncid, varid, CF_INSTITUTION,
+				    strlen(institution) + 1, institution)))
+	 return ret;
+
+   if (source)
+      if ((ret = nc_put_att_text(ncid, varid, CF_SOURCE,
+				    strlen(source) + 1, source)))
+	 return ret;
+
+   if (comment)
+      if ((ret = nc_put_att_text(ncid, varid, CF_COMMENT,
+				    strlen(comment) + 1, comment)))
+	 return ret;
+
+   if (references)
+      if ((ret = nc_put_att_text(ncid, varid, CF_REFERENCES,
+				    strlen(references) + 1, references)))
+	 return ret;
+
+   return CF_NOERR;
+}
+
+/* Read any or all of these four attributes of a file or
+ * variable. */
+int nccf_inq_notes(int ncid, int varid, size_t *institution_lenp, 
+		   char *institution, size_t *source_lenp, char *source, 
+		   size_t *comment_lenp, char *comment, 
+		   size_t *references_lenp, char *references)
+{
+   int ret;
+
+   if (institution_lenp)
+      if ((ret = nc_inq_attlen(ncid, varid, CF_INSTITUTION, 
+				  institution_lenp)))
+	 return ret;
+
+   if (institution)
+      if ((ret = nc_get_att_text(ncid, varid, CF_INSTITUTION,
+				    institution)))
+	 return ret;
+
+   if (source_lenp)
+      if ((ret = nc_inq_attlen(ncid, varid, CF_SOURCE, 
+				  source_lenp)))
+	 return ret;
+
+   if (source)
+      if ((ret = nc_get_att_text(ncid, varid, CF_SOURCE,
+				    source)))
+	 return ret;
+
+   if (comment_lenp)
+      if ((ret = nc_inq_attlen(ncid, varid, CF_COMMENT, 
+				  comment_lenp)))
+	 return ret;
+
+   if (comment)
+      if ((ret = nc_get_att_text(ncid, varid, CF_COMMENT,
+				    comment)))
+	 return ret;
+
+   if (references_lenp)
+      if ((ret = nc_inq_attlen(ncid, varid, CF_REFERENCES, 
+				  references_lenp)))
+	 return ret;
+
+   if (references)
+      if ((ret = nc_get_att_text(ncid, varid, CF_REFERENCES,
+				    references)))
+	 return ret;
+   
+   return NC_NOERR;
+}
+
diff --git a/src/cfsubsets.c b/src/cfsubsets.c
new file mode 100644
index 0000000..a2bdafd
--- /dev/null
+++ b/src/cfsubsets.c
@@ -0,0 +1,265 @@
+/*
+  Copyright 2006, University Corporation for Atmospheric Research. See
+  COPYRIGHT file for copying and redistribution conditions.
+
+  This file is part of the NetCDF CF Library. 
+
+  This file handles the libcf subsetting.
+
+  Ed Hartnett, 5/1/7
+
+  $Id: cfsubsets.c,v 1.7 2007/05/22 14:40:50 ed Exp $
+*/
+
+#include <config.h>
+#include <cferror.h>
+#include <libcf.h>
+#include <libcf_int.h>
+#include <netcdf.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+#define NDIMS 4
+#define TIME 0
+#define LVL 1
+#define LON 2
+#define LAT 3
+#define START 0
+#define END 1
+#define UNSET -1
+#define MAX_DIMS 7
+
+static int
+find_coord_idx(int ncid, int vid, size_t len, float *range, int *nidxp,  
+	       size_t *startp, size_t *endp)
+{
+   int i;
+   float *coord;
+   int start = UNSET, end = UNSET, nidx;
+   int ret;
+
+   if (!range)
+   {
+      /* If lat range are not provided, take all lats. */
+      nidx = len;
+      start = 0;
+      end = len - 1;
+   }
+   else
+   {
+      /* The end must be greater than or equal to the start. */
+      if (range[END] < range[START])
+	 return CF_EBADRANGE;
+
+      /* Get memory for the coordinate data. */
+      if (!(coord = malloc(sizeof(float) * len)))
+	 return CF_ENOMEM;
+
+      /* Open the coordinate varid and learn the values. */
+      if ((ret = nc_get_var_float(ncid, vid, coord)))
+      {
+	 free(coord);
+	 return ret;
+      }
+
+      /* Is this increasing or decreasing? */
+      if (len > 1 && coord[0] < coord[1])
+      {
+	 /* Increasing coord. */
+	 /* Find the start and end indexes. */
+	 LOG((1, "range: %f  %f", range[0], range[1]));
+	 for (i = 0; i < len; i++)
+	 {
+	    LOG((3, "coord[%d]=%f", i, coord[i]));
+	    if (start == UNSET && coord[i] >= range[START] &&
+		coord[i] <= range[END])
+	       start = i;
+
+	    if (start != UNSET)
+	    {	       
+	       if (coord[i] == range[END])
+	       {
+		  end = i;
+		  break;
+	       }
+	       else if (coord[i] > range[END])
+	       {
+		  end = i - 1;
+		  break;
+	       }
+	    }
+	 }
+      }
+      else
+      {
+	 /* Decreasing coord. */
+	 /* Find the start and end indexes. */
+	 LOG((1, "range: %f  %f", range[0], range[1]));
+	 for (i = 0; i < len; i++)
+	 {
+	    LOG((3, "coord[%d]=%f", i, coord[i]));
+	    if (start == UNSET && coord[i] >= range[START] &&
+		coord[i] <= range[END])
+	       start = i;
+	    
+	    if (start != UNSET && coord[i] == range[START])
+	    {
+	       end = i;
+	       break;
+	    }
+	 }
+      }
+      LOG((1, "start %d end %d", start, end));
+
+      /* If start is unset, no data are in the range. If we found a
+       * start but not an end, take all the data we can get. */
+      if (start == UNSET)
+	 nidx = 0;
+      else if (end == UNSET)
+      {
+	 end = len - 1;
+	 nidx = abs(abs(end) - abs(start)) + 1;
+      }
+      else
+	 nidx = abs(abs(end) - abs(start)) + 1;
+      free(coord);
+   }
+
+   if (startp)
+      *startp = start;
+   if (endp)
+      *endp = end;
+   if (nidxp)
+      *nidxp = nidx;
+
+   return CF_NOERR;
+}
+
+int 
+nccf_get_vara(int ncid, int varid, float *lat_range, int *nlat, float *lon_range, 
+	      int *nlon, int lvl_index, int timestep, void *data)
+{
+   nc_type xtype[NDIMS];
+   char name[NDIMS][NC_MAX_NAME];
+   int did[NDIMS], vid[NDIMS];
+   size_t len[NDIMS];
+   size_t start[NDIMS], end[NDIMS];
+   int ndims, dimids[MAX_DIMS];
+   size_t dstart[NDIMS], dcount[NDIMS];
+   int num[NDIMS];
+   int found_lvl = 0, found_time = 0;
+   int d;
+   int ret;
+
+   /* Get information about each coordinate axis. */
+   if ((ret = nccf_inq_latitude(ncid, &len[LAT], &xtype[LAT], &did[LAT], &vid[LAT])))
+      return ret;
+   if ((ret = nccf_inq_longitude(ncid, &len[LON], &xtype[LON], &did[LON], &vid[LON])))
+      return ret;
+
+   /* Get the vertical level info, if there is one. */
+   ret = nccf_inq_lvl(ncid, name[LVL], &len[LVL], &xtype[LVL], NULL, NULL, NULL, 
+		      &did[LVL], &vid[LVL]);
+   if (ret && ret != CF_ENOTFOUND)
+      return ret;
+   else if (ret == CF_NOERR)
+      found_lvl++;
+
+   /* Get the time info, if there is a time axis. */
+   ret = nccf_inq_time(ncid, name[TIME], &len[TIME], &xtype[TIME], &did[TIME], 
+		       &vid[TIME]);
+   if (ret && ret != CF_ENOTFOUND)
+      return ret;
+   else if (ret == CF_NOERR)
+      found_time++;
+
+   /* Find the indixies along the latitude coordinate values to subset
+    * along this dimension. */
+   if ((ret = find_coord_idx(ncid, vid[LAT], len[LAT], lat_range, &num[LAT], 
+			     &start[LAT], &end[LAT])))
+      return ret;
+   if (nlat)
+      *nlat = num[LAT];
+
+   /* Find the indixies along the longitude coordinate values to subset
+    * along this dimension. */
+   if ((ret = find_coord_idx(ncid, vid[LON], len[LON], lon_range, &num[LON], 
+			     &start[LON], &end[LON])))
+      return ret;
+   if (nlon)
+      *nlon = num[LON];
+
+   /* If level indicies are not provided, take all levels. */
+/*    if (!lvl_index) */
+/*       num[LVL] = len[LVL]; */
+/*    else */
+/*       num[LVL] = 1; */
+/*    if (nlvl) */
+/*       *nlvl = num[LVL]; */
+
+   if (found_time && timestep >= len[TIME])
+      return CF_ERECTOOLARGE;
+
+   /* If the user wants the data, get it for him. */
+   if (lat_range && lon_range && data && num[LAT] && num[LON])
+   {
+      /* Find out about the dimensions of this data variable. */
+      if ((ret = nc_inq_varndims(ncid, varid, &ndims)))
+	 return ret;
+      if (ndims > MAX_DIMS)
+	 return CF_ENDIMS;
+      if ((ret = nc_inq_vardimid(ncid, varid, dimids)))
+	 return ret;
+
+      /* Set the lat info. */
+      for (d = 0; d < ndims; d++)
+	 if (dimids[d] == did[LAT])
+	    break;
+      if (d == ndims)
+	 return CF_ENODIM;
+      dstart[d] = start[LAT];
+      dcount[d] = num[LAT];
+
+      /* Set the lon info. */
+      for (d = 0; d < ndims; d++)
+	 if (dimids[d] == did[LON])
+	    break;
+      if (d == ndims)
+	 return CF_ENODIM;
+      dstart[d] = start[LON];
+      dcount[d] = num[LON];
+
+      /* Set the level info. */
+      if (found_lvl)
+      {
+	 for (d = 0; d < ndims; d++)
+	    if (dimids[d] == did[LVL])
+	       break;
+	 if (d != ndims)
+	 {
+	    dstart[d] = lvl_index;
+	    dcount[d] = 1;
+	 }
+      }
+
+      /* Set the time info. */
+      if (found_time)
+      {
+	 for (d = 0; d < ndims; d++)
+	    if (dimids[d] == did[TIME])
+	       break;
+	 if (d != ndims)
+	 {
+	    dstart[d] = timestep;
+	    dcount[d] = 1;
+	 }
+      }
+
+      /* Now I've got everything needed to read a record of this data! */
+      if ((ret = nc_get_vara(ncid, varid, dstart, dcount, data)))
+	 return ret;
+   }
+
+   return CF_NOERR;
+}
diff --git a/src/cfvars.c b/src/cfvars.c
new file mode 100644
index 0000000..e39ac5e
--- /dev/null
+++ b/src/cfvars.c
@@ -0,0 +1,321 @@
+/*
+Copyright 2006, University Corporation for Atmospheric Research. See
+COPYRIGHT file for copying and redistribution conditions.
+
+This file is part of the NetCDF CF Library. 
+
+This file handles the libcf file stuff.
+
+Ed Hartnett, 10/1/06
+
+$Id: cfvars.c,v 1.7 2006/11/11 15:03:03 ed Exp $
+*/
+
+#include <config.h>
+#include <libcf.h>
+#include <libcf_int.h>
+#include <netcdf.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+int nccf_parse_coords(int ncid, int varid, char *att_name, int *naxes, 
+		      int *axis_varids);
+
+/* From the CF conventions, 1.0:
+
+"Each variable in a netCDF file has an associated description which is
+provided by the attributes units, long_name, and standard_name. The
+units, and long_name attributes are defined in the NUG and the
+standard_name attribute is defined in this document."
+
+also
+
+"We wish to allow ... institution, source, references, and comment, to
+be either global or assigned to individual variables. When an
+attribute appears both globally and as a variable attribute, the
+variable's version has precedence."
+
+also
+
+"The value of the coordinates attribute is a blank separated list of
+the names of auxiliary coordinate variables."
+
+This function makes all of these optional.
+
+*/
+
+int
+nccf_def_var(int ncid, int varid, const char *units, 
+	     const char *long_name, const char *standard_name, 
+	     int ncoord_vars, int *coord_varids)
+{
+   char coord_name[NC_MAX_NAME + 1];
+   char coords_str[CF_MAX_COORD_LEN + 1];
+   int c, ret;
+
+   /* Write units. */
+   if (units)
+      if ((ret = nc_put_att_text(ncid, varid, CF_UNITS,
+				 strlen(units) + 1, units)))
+	 return ret;
+
+   /* Write long_name. */
+   if (long_name)
+      if ((ret = nc_put_att_text(ncid, varid, CF_LONG_NAME,
+				 strlen(long_name) + 1, long_name)))
+	 return ret;
+
+   /* Write standard_name. */
+   if (standard_name)
+      if ((ret = nc_put_att_text(ncid, varid, CF_STANDARD_NAME,
+				 strlen(standard_name) + 1, standard_name)))
+	 return ret;
+
+   /* Now add the "coordinates" atttribute, which holds a space
+    * separated list of auxilary coordinate variables. */
+   if (ncoord_vars)
+   {
+      if (ncoord_vars > CF_MAX_COORDS)
+	 return CF_EMAXCOORDS;
+      if (!coord_varids) 
+	 return CF_EINVAL;
+      strcpy(coords_str, "");
+      for (c = 0; c < ncoord_vars; c++)
+      {
+	 /* Find the names of this coordinate var. */
+	 if ((ret = nc_inq_varname(ncid, coord_varids[c], coord_name)))
+	    return ret;
+	 strcat(coords_str, coord_name);
+	 strcat(coords_str, " ");
+      }
+      if ((ret = nc_put_att_text(ncid, varid, CF_COORDINATES,
+				 strlen(coords_str) + 1, coords_str)))
+	 return ret;
+   }
+   
+   return NC_NOERR;
+}
+
+/* Read the CF annotations. Recall that in C, strlens do not include
+ * the null terminator. To get the lengths before the strings (in
+ * order to allocatate) pass NULL for any or all strngs and the
+ * lengths will be returned. Then call the funtion again after
+ * allocating memory. 
+ * Any of these pointer args may be NULL, in which case it will be
+ * ignored.
+*/
+int
+nccf_inq_var(int ncid, int varid,
+	     size_t *units_lenp, char *units, 
+	     size_t *long_name_lenp, char *long_name,
+	     size_t *standard_name_lenp, char *standard_name,
+	     int *ncoord_vars, int *coord_varids)
+{
+   int ret;
+
+   /* Read units length if desired. */
+   if (units_lenp)
+      if ((ret = nc_inq_attlen(ncid, varid, CF_UNITS, units_lenp)))
+	 return ret;
+
+   /* Read units value if desired. */
+   if (units)
+      if ((ret = nc_get_att_text(ncid, varid, CF_UNITS, units)))
+	 return ret;
+
+   if (long_name_lenp)
+      if ((ret = nc_inq_attlen(ncid, varid, CF_LONG_NAME, 
+			       long_name_lenp)))
+	 return ret;
+
+   if (long_name)
+      if ((ret = nc_get_att_text(ncid, varid, CF_LONG_NAME, long_name)))
+	 return ret;
+
+   if (standard_name_lenp)
+      if ((ret = nc_inq_attlen(ncid, varid, CF_STANDARD_NAME, 
+			       standard_name_lenp)))
+	 return ret;
+
+   if (standard_name)
+      if ((ret = nc_get_att_text(ncid, varid, CF_STANDARD_NAME,
+				 standard_name)))
+	 return ret;
+
+   /* Learn the number of coordinate variables, and their IDs, if
+    * desired. */
+   if ((ret = nccf_parse_coords(ncid, varid, CF_COORDINATES, 
+				ncoord_vars, coord_varids)))
+      return ret;
+
+   return NC_NOERR;
+
+}
+
+/* Set attributes to define missing data information. */
+int 
+nccf_def_var_missing(int ncid, int varid, const void *fill_value, 
+		     const void *valid_min, const void *valid_max)
+{
+   nc_type xtype;
+   int ret;
+
+   /* User must provide either both or neither of valid_min and
+    * valid_max. */
+   if ((valid_min && !valid_max) || 
+       (!valid_min && valid_max))
+      return CF_EMINMAX;
+
+   /* Get the variable type. */
+   if ((ret = nc_inq_vartype(ncid, varid, &xtype)))
+      return ret;
+
+   /* Write a fill value if the user provided one. */
+   if (fill_value)
+      if ((ret = nc_put_att(ncid, varid, CF_FILL_VALUE, 
+			    xtype, 1, fill_value)))
+	 return ret;
+
+   /* Write a valid_min if the user provided one. */
+   if (valid_min)
+      if ((ret = nc_put_att(ncid, varid, CF_VALID_MIN, 
+			    xtype, 1, valid_min)))
+	 return ret;
+
+   /* Write a valid_max value if the user provided one. */
+   if (valid_max)
+      if ((ret = nc_put_att(ncid, varid, CF_VALID_MAX, 
+			    xtype, 1, valid_max)))
+	 return ret;
+      
+   return NC_NOERR;
+}
+
+/* Return the default fill value of a netCDF-3 type. */
+static int
+nccf_get_default_missing(nc_type xtype, void *fill_value, 
+			 void *valid_min, void *valid_max)
+{
+   /* At the moment, only handle netCDF-3 types. */
+   switch(xtype)
+   {
+      case NC_BYTE:
+	 if (fill_value)
+	    *((signed char *)fill_value) = NC_FILL_BYTE;
+	 if (valid_min)
+	    *((signed char *)valid_min) = CF_BYTE_MIN;
+	 if (valid_max)
+	    *((signed char *)valid_max) = CF_BYTE_MAX;
+	 break;
+      case NC_CHAR:
+	 if (fill_value)
+	    *((char *)fill_value) = NC_FILL_CHAR;
+	 if (valid_min)
+	    *((char *)valid_min) = CF_CHAR_MIN;
+	 if (valid_max)
+	    *((char *)valid_max) = CF_CHAR_MAX;
+	 break;
+      case NC_SHORT:
+	 if (fill_value)
+	    *((short *)fill_value) = NC_FILL_SHORT;
+	 if (valid_min)
+	    *((short *)valid_min) = CF_SHORT_MIN;
+	 if (valid_max)
+	    *((short *)valid_max) = CF_SHORT_MAX;
+	 break;
+      case NC_INT:
+	 if (fill_value)
+	    *((int *)fill_value) = NC_FILL_INT;
+	 if (valid_min)
+	    *((int *)valid_min) = CF_INT_MIN;
+	 if (valid_max)
+	    *((int *)valid_max) = CF_INT_MAX;
+	 break;
+      case NC_FLOAT:
+	 if (fill_value)
+	    *((float *)fill_value) = NC_FILL_FLOAT;
+	 if (valid_min)
+	    *((float *)valid_min) = CF_FLOAT_MIN;
+	 if (valid_max)
+	    *((float *)valid_max) = CF_FLOAT_MAX;
+	 break;
+      case NC_DOUBLE:
+	 if (fill_value)
+	    *((double *)fill_value) = NC_FILL_DOUBLE;
+	 if (valid_min)
+	    *((double *)valid_min) = CF_DOUBLE_MIN;
+	 if (valid_max)
+	    *((double *)valid_max) = CF_DOUBLE_MAX;
+	 break;
+      default:
+	 return CF_EBADTYPE;
+   }
+
+   return NC_NOERR;
+}
+
+/* Get attributes which define missing data information. If the
+ * attributes are not there, then provide the valid data anyway, based
+ * on netCDF defaults. */
+int 
+nccf_inq_var_missing(int ncid, int varid, void *fill_value, 
+		     void *valid_min, void *valid_max)
+{
+   nc_type xtype;
+   int ret;
+
+   if ((ret = nc_inq_vartype(ncid, varid, &xtype)))
+      return ret;
+
+   /* Does the user want the fill value?*/
+   if (fill_value)
+   {
+      /* Get the value of the _FillValue att, if it is there. */
+      ret = nc_get_att(ncid, varid, CF_FILL_VALUE, fill_value);
+      if (ret == NC_ENOTATT)
+      {
+	 /* No _FillValue att, so find the default fill value for this
+	  * type. */
+	 if ((ret = nccf_get_default_missing(xtype, fill_value, NULL, NULL)))
+	    return ret;
+      }
+      else if (ret != NC_NOERR)
+	 return ret;
+   }
+
+   /* Does the user want the fill value?*/
+   if (valid_min)
+   {
+      /* Get the value of the valid_min, if it is there. */
+      ret = nc_get_att(ncid, varid, CF_VALID_MIN, valid_min);
+      if (ret == NC_ENOTATT)
+      {
+	 /* No _FillValue att, so find the default fill value for this
+	  * type. */
+	 if ((ret = nccf_get_default_missing(xtype, NULL, valid_min, NULL)))
+	    return ret;
+      }
+      else if (ret != NC_NOERR)
+	 return ret;
+   }
+
+   /* Does the user want the fill value?*/
+   if (valid_max)
+   {
+      /* Get the value of the _FillValue att, if it is there. */
+      ret = nc_get_att(ncid, varid, CF_VALID_MAX, valid_max);
+      if (ret == NC_ENOTATT)
+      {
+	 /* No _FillValue att, so find the default fill value for this
+	  * type. */
+	 if ((ret = nccf_get_default_missing(xtype, NULL, NULL, valid_max)))
+	    return ret;
+      }
+      else if (ret != NC_NOERR)
+	 return ret;
+   }
+
+   return NC_NOERR;
+}
+
diff --git a/src/drscdf.h b/src/drscdf.h
new file mode 100644
index 0000000..d00bc8c
--- /dev/null
+++ b/src/drscdf.h
@@ -0,0 +1,275 @@
+/*
+     $Id: drscdf.h,v 1.1 2008/06/30 16:07:44 ed Exp $
+     $Log: drscdf.h,v $
+     Revision 1.1  2008/06/30 16:07:44  ed
+     Beginning merge of calandar stuff.
+
+ * Revision 2.8  1995/10/26  23:22:46  drach
+ * - Added automatic copy of dictionary to/from NSL, NSL version
+ *
+ * Revision 2.7  1995/03/30  00:50:34  drach
+ * Added disclaimer
+ *
+ * Revision 2.6  1995/01/30  19:14:22  drach
+ * Minor revisions
+ *
+ * Revision 2.5  1994/11/23  19:16:58  drach
+ * Added function declarations for K&R and ANSI C.
+ *
+ * Revision 2.4  1993/10/21  01:23:01  drach
+ * Changed name of sync options for consistency, added sync error.
+ *
+ * Revision 2.3  1993/10/20  17:16:29  drach
+ * Define autosync options.
+ *
+ * Revision 2.2  1993/07/14  22:30:30  drach
+ * Removed text after #endif, etc.
+ *
+ * Revision 2.1  1993/07/13  01:12:47  drach
+ * Merged Sun, Unicos, SGI, and HP versions.
+ *
+# Revision 2.3  1992/10/14  23:14:54  drach
+# Added putdic options
+#
+# Revision 2.2  1992/10/06  00:53:59  drach
+# Added putdic errors.
+#
+# Revision 2.1  1992/05/22  01:07:07  drach
+# removed drsmg (error messages structure)
+#
+# Revision 2.0  1992/03/07  00:12:24  drach
+# Entered into RCS
+#
+                     Data Retrieval and Storage System
+
+**********************************************************************
+
+			DISCLAIMER
+
+   This software was prepared as an account of work sponsored by an
+   agency of the United States Government. Neither the United
+   States Government nor the University of California nor any of
+   their employees, makes any warranty, express or implied, or
+   assumes any liability or responsibility for the accuracy,
+   completeness, or usefulness of any information, apparatus,
+   product, or process disclosed, or represents that its use would
+   not infringe privately owned rights. Reference herein to any
+   specific commercial products, process, or service by trade name,
+   trademark, manufacturer, or otherwise, does not necessarily
+   constitute or imply its endorsement, recommendation, or favoring
+   by the United States Government or the University of California.
+   The views and opinions of authors expressed herein do not
+   necessarily state or reflect those of the United States
+   Government or the University of California, and shall not be
+   used for advertising or product endorsement purposes.
+   
+**********************************************************************
+
+
+
+*/
+/*#######################################################################
+ *                drscdf.h
+ *
+
+ *#######################################################################*/
+/*     General definitions */
+#ifndef __drscdf_h
+#define __drscdf_h
+
+#define IDRS_NOVALUE 0
+#define IDRS_DEFAULT 0
+     
+     
+/*     DimensionType */
+#define IDRS_EQUALLY_SPACED 1
+#define IDRS_UNEQUALLY_SPACED 2
+
+/*     FileStatus */
+#define IDRS_READ 1
+#define IDRS_CREATE 2
+#define IDRS_EXTEND 3
+
+/*     MachineName */
+#define IDRS_SUN 1
+#define IDRS_CRAY 2
+
+#ifdef cray
+
+#define IDRS_MACHINE IDRS_CRAY
+#define IDRS_BYTES_PER_WORD 8
+#define IDRS_NSL 8			     /* Aslun flag: file is on NSL UniTree */
+#define IDRS_NOCOPY 16			     /* Aslun flag: do not copy dictionary from NSL on open */
+#else
+#define IDRS_MACHINE IDRS_SUN
+#define IDRS_BYTES_PER_WORD 4
+
+#endif
+
+/*     DRSVersion */
+/*     DRS_VERSION is current version */
+/*     DRS_MAXVERSION is max allowed version before version */
+/*        is considered 'novalue' */
+#define DRS_VERSION 2.1
+#define DRS_MAXVERSION 10.0
+     
+/*     Inquiry operators (INQDICT) */
+#define IDRS_GETFIRSTVAR 1
+#define IDRS_GETNEXTVAR 2
+
+/*     Standard argument lengths */
+#define IDRS_SOURCELEN 121
+#define IDRS_NAMELEN 17
+#define IDRS_TITLELEN 81
+#define IDRS_UNITSLEN 41
+#define IDRS_DATELEN 9
+#define IDRS_TIMELEN 9
+#define IDRS_TYPELEN 9
+
+#ifdef cray
+
+#define IDRS_FILENAMELEN 248
+#else
+#define IDRS_FILENAMELEN 1024
+
+#endif
+
+
+typedef char DRS_SOURCE[IDRS_SOURCELEN];
+typedef char DRS_NAME[IDRS_NAMELEN];
+typedef char DRS_TITLE[IDRS_TITLELEN];
+typedef char DRS_UNITS[IDRS_UNITSLEN];
+typedef char DRS_DATE[IDRS_DATELEN];
+typedef char DRS_TIME[IDRS_TIMELEN];
+typedef char DRS_TYPE[IDRS_TYPELEN];
+typedef char DRS_FILENAME[IDRS_FILENAMELEN];
+            
+/*     Cray-to-IEEE translation parameters */
+#define IDRS_LEFTHALFWORD 0
+#define IDRS_RIGHTHALFWORD 4
+
+/*     ElementType */
+#define IDRS_I4 1
+#define IDRS_I8 2
+#define IDRS_IEEE_R4 3
+#define IDRS_CRAY_R8 4
+#define IDRS_ASCII 5
+#define IDRS_USER 6
+#ifndef __EXTENDED_DRS_DATATYPES
+#define __EXTENDED_DRS_DATATYPES
+#define IDRS_I1 7
+#define IDRS_I2 8
+#define IDRS_IEEE_R8 9
+#define IDRS_CRAY_R16 10
+#define IDRS_IEEE_R16 11
+#endif
+
+				/* Synchronization options */
+#define IDRS_SYNC_OFF 1
+#define IDRS_SYNC_ON 2
+
+/*     Error reporting */
+#define IDRS_NOREPORT 1
+#define IDRS_FATAL 2
+#define IDRS_WARNING 3
+#define IDRS_INTERNAL 4
+     
+/*     Putdic options */
+#define IDRS_BLANKS_ARE_NULL 1
+#define IDRS_BLANKS_ARE_LITERAL 2
+
+/*     Error definitions */
+#define IDRS_SUCCESS 0
+#define IDRS_NOMEMORY 1
+#define IDRS_BINFAILED 2002
+#define IDRS_BADLEN 3
+#define IDRS_NOMONO 4
+#define IDRS_NOCOMPARISON 2005
+#define IDRS_VDBNOTFOUND 6
+#define IDRS_BADDIM 7
+#define IDRS_NOTMONOTONE 8
+#define IDRS_DICTREADERROR 9
+#define IDRS_NODICTFILE 10
+#define IDRS_BADLU 11
+#define IDRS_BADTYPE 12
+#define IDRS_AMBIGUITYEXISTS 13
+#define IDRS_CANNOTADDDATA 14
+#define IDRS_DICTFULL 15
+#define IDRS_VERSION1FILE 1016
+#define IDRS_NEWFILEFORMAT 1017
+#define IDRS_CANNOTREADHEADER 18
+#define IDRS_CANNOTREADDATA 19
+#define IDRS_BADDIMNAME 20
+#define IDRS_TOOMANYFILES 21
+#define IDRS_CANNOTOPENDICT 22
+#define IDRS_CANNOTOPENDATA 23
+#define IDRS_BADSTATUS 24
+#define IDRS_BADDIMTYPE 25
+#define IDRS_INDEXHIGH 2026
+#define IDRS_INDEXLOW 2027
+#define IDRS_INDEXBETWEEN 2028
+#define IDRS_NORANGE 29
+#define IDRS_SAVEBUFOVERFLOW 30
+#define IDRS_BADERRLEVEL 31
+#define IDRS_ERROROUTOFRANGE 32
+#define IDRS_CANNOTWRITEHEADER 33
+#define IDRS_CANNOTWRITEDATA 34
+#define IDRS_BADCHARLEN 35
+#define IDRS_BADOPER 36
+#define IDRS_NOMOREVARS 1037
+#define IDRS_DICTALREADYOPEN 38
+#define IDRS_LOOKUPFAILED 2039
+#define IDRS_DICTWRITEERROR 40
+#define IDRS_DICTEXTENDERROR 41
+#define IDRS_DATEXTENDERROR 42
+#define IDRS_DICTRUNCATEERR 43
+#define IDRS_DATTRUNCATEERR 44
+#define IDRS_BADIEEEFP 45
+#define IDRS_BADCRAYFP 46
+#define IDRS_BADCRAYINT 47
+#define IDRS_CANNOTCONVERT 48
+#define IDRS_INEXACTMATCH 1049
+#define IDRS_DUPLICATEVAR 50
+#define IDRS_CANNOTWRITEDIC 51
+#define IDRS_BADSYNCOPT 52
+
+#undef PROTO
+#ifdef __STDC__
+#define PROTO(x) x
+#else
+#define PROTO(x) ()
+#endif
+
+extern int Aslun PROTO((int lud,char* dicfil,int lu,char* datfil,int istat));
+extern int Cllun PROTO((int lu));
+extern int Cluvdb PROTO((void));
+extern int Drstest PROTO((int ierr));
+extern int Getdat PROTO((int lu,void* a,int isize));
+extern int Getcdim PROTO((int idim,char* source,char* name,char* title,char* units,int* dtype,int reqlen,float* var,int* retlen));
+extern int GetcdimD PROTO((int idim,char* source,char* name,char* title,char* units,int* dtype,int reqlen,double* var,int* retlen));
+extern int Getedim PROTO((int n,char* dsrc,char* dna,char* dti,char* dun,int* dtype,int* idim,float* df,float* dl));
+extern int GetedimD PROTO((int n,char* dsrc,char* dna,char* dti,char* dun,int* dtype,int* idim,double* df,double* dl));
+extern int Getelemd PROTO((int* type,int* bpe));
+extern int Getname PROTO((char* source,char* name,char* title,char* units,char* date,char* time,char* typed,int* nd));
+extern int Getrge2 PROTO((int lu,int idim,double elem1,double elem2,int* ind1,int* ind2,float* dlow,float* dhigh));
+extern int Getslab PROTO((int lu,int rank,int* order,float* fe,float* le,float* cycle,void* data,int* datadim));
+extern int Getvdim PROTO((int idim,char* source,char* title,int reqlen,float* var,int* retlen));
+extern int Inqdict PROTO((int lu,int oper));
+extern int Inqlun PROTO((int lu,char* datafile,int* nvar,float* version));
+extern int Prdict PROTO((int lup,int lu));
+extern int Putdat PROTO((int lu,void* a));
+extern int Putdic PROTO((int lu, int iopt));
+extern int Putvdim PROTO((int lu,int len,float* dimvar,int* i1,int* i2));
+extern int Setdate PROTO((char* date,char* time));
+extern int Setdim PROTO((int n,char* dna,char* dun,int idim,double df,double dl));
+extern int Seterr PROTO((int ierrlun,int reportlevel));
+extern int Setname PROTO((char* source,char* name,char* title,char* units,char* typed));
+extern int Setrep PROTO((int irep));
+extern int Setvdim PROTO((int n,char* dso,char* dna,char* dti,char* dun,double df,double dl));
+#ifdef NSL_DRS
+extern int drsn2lcp PROTO((char* infile, char* outfile));
+extern int drsl2ncp PROTO((char* infile, char* outfile));
+#endif
+
+#endif
+
diff --git a/src/libcf.h b/src/libcf.h
new file mode 100644
index 0000000..cd47fe4
--- /dev/null
+++ b/src/libcf.h
@@ -0,0 +1,509 @@
+/* 
+
+Copyright 2006, University Corporation for Atmospheric Research. See
+COPYRIGHT file for copying and redistribution conditions.
+
+This is the header file for the NetCDF CF Library. 
+
+For more info on the NetCDF CF Library, see:
+http://www.unidata.ucar.edu/software/nccflib/
+
+Ed Hartnett, 8/1/06
+
+$Id: libcf.h,v 1.31 2008/06/30 16:35:02 ed Exp $
+*/
+
+#include <stdlib.h>
+#include <netcdf.h>
+
+#ifndef _NCCFLIB_
+#define _NCCFLIB_
+
+#define COORDINATE_AXIS_TYPE "_CoordinateAxisType"
+#define COORDINATE_AXES "_CoordinateAxes"
+#define COORDINATE_Z_IS_POSITIVE "_CoordinateZisPositive"
+#define Z_UP "up"
+#define Z_DOWN "down"
+#define COORDINATE_SYSTEMS "_CoordinateSystems"
+#define TRANSFORM_NAME "transform_name"
+#define TRANSFORM_TYPE "_CoordinateTransformType"
+#define COORDINATE_TRANSFORMS "_CoordinateTransforms"
+
+#define CF_LONGITUDE_NAME "longitude"
+#define CF_LATITUDE_NAME "latitude"
+#define CF_LONGITUDE_UNITS "degrees_east"
+#define CF_LATITUDE_UNITS "degrees_north"
+#define CF_LONGITUDE_AXIS "X"
+#define CF_LATITUDE_AXIS "Y"
+#define CF_LEVEL_AXIS "Z"
+#define CF_TIME_AXIS "T"
+#define CF_UNITS "units"
+#define CF_FORMULA_TERMS "formula_terms"
+#define CF_AXIS "axis"
+#define CF_UP "up"
+#define CF_DOWN "down"
+#define CF_POSITIVE "positive"
+#define CF_MAX_LEN 40
+
+/* Some maximums for the "formula_terms" attribute used with
+ * dimensionless vertical coordinates. There are (currently) at most 7
+ * var names in a formula_terms attribute, and each may be NC_MAX_NAME
+ * chars long. */
+#define CF_MAX_FT_VARS 7
+#define CF_MAX_FT_LEN (NC_MAX_NAME * CF_MAX_FT_VARS + 31)
+
+/* The maximum length of the "coordinates" attribue. */
+#define CF_MAX_COORDS 10
+#define CF_MAX_COORD_LEN (NC_MAX_NAME * CF_MAX_COORDS)
+
+/* These are in support of the coordinate axis stuff. */
+#define NCCF_NOAXISTYPE 0
+#define NCCF_LATITUDE 1
+#define NCCF_LONGITUDE 2
+#define NCCF_GEOX 3
+#define NCCF_GEOY 4
+#define NCCF_GEOZ 5
+#define NCCF_HEIGHT_UP 6
+#define NCCF_HEIGHT_DOWN 7
+#define NCCF_PRESSURE 8
+#define NCCF_TIME 9
+#define NCCF_RADAZ 10
+#define NCCF_RADEL 11
+#define NCCF_RADDIST 12
+
+/* Error codes for libcf. */
+#define CF_NOERR NC_NOERR
+#define CF_ENOMEM NC_ENOMEM /* Out of memory. */
+#define CF_EBADTYPE NC_EBADTYPE /* Bad type. */
+#define CF_EINVAL NC_EINVAL /* Invalid input. */
+#define CF_ENETCDF -400 /* Error at netCDF layer. */
+#define CF_ETIME -401   /* Error getting current time and date. */
+#define CF_EMINMAX -402 /* Min and max must both be provided. */
+#define CF_EUNKCOORD -403 /* Unknown coordinate type. */
+#define CF_EEXISTS -404 /* Attempting to define var, dim, or att that already exists. */
+#define CF_ENOTFOUND -405 /* Can't find what you're looking for! */
+#define CF_ENODIM -406 /* Can't find dim to go with coordinate variable. */
+#define CF_EBADVALUE -407 /* Attribute has incorrect value for CF. */
+#define CF_EMAXFT -408 /* formula_terms attribute exceeds max size. */
+#define CF_EBADFT -409 /* Couldn't parse formula_terms attribute. */
+#define CF_EMAX_NAME -410 /* Name of netCDF object too long. */
+#define CF_EMAXCOORDS -411 /* Too many coordinates! */
+#define CF_ERECTOOLARGE -412 /* Record number too large. */
+#define CF_ENDIMS -413 /* Wrong number of dimensions. */
+#define CF_EBADRANGE -414 /* range[0] must be <= range[1]. */
+
+/* These are from libsrc/ncx.h. They will never change. */
+#define X_SCHAR_MAX	127
+#define X_UCHAR_MAX	255U
+#define X_SHORT_MAX	32767
+#define X_INT_MAX	2147483647
+#define X_FLOAT_MAX	3.402823466e+38f
+#define X_FLOAT_MIN	(-X_FLOAT_MAX)
+#define X_DOUBLE_MAX	1.7976931348623157e+308 
+#define X_DOUBLE_MIN	(-X_DOUBLE_MAX)
+
+/* Default valid min and valid max for netCDF-3 types. These values
+ * take into account the default fill values, which always will fall
+ * out of the range expressed here for each type. */
+#define CF_BYTE_MIN (-126)
+#define CF_BYTE_MAX X_SCHAR_MAX
+#define CF_CHAR_MIN 1
+#define CF_CHAR_MAX X_UCHAR_MAX
+#define CF_SHORT_MIN (-32766)
+#define CF_SHORT_MAX X_SHORT_MAX
+#define CF_INT_MIN (-2147483646L)
+#define CF_INT_MAX X_INT_MAX
+#define CF_FLOAT_MIN X_FLOAT_MIN
+#define CF_FLOAT_MAX NC_FILL_FLOAT
+#define CF_DOUBLE_MIN NC_FILL_DOUBLE
+#define CF_DOUBLE_MAX X_DOUBLE_MIN
+
+#define CF_CONVENTIONS "Conventions"
+#define CF_CONVENTION_STRING "CF-1.0"
+#define CF_TITLE "title"
+#define CF_HISTORY "history"
+#define CF_INSTITUTION "institution"
+#define CF_SOURCE "source"
+#define CF_COMMENT "comment"
+#define CF_REFERENCES "references"
+#define CF_UNITS "units"
+#define CF_LONG_NAME "long_name"
+#define CF_STANDARD_NAME "standard_name"
+#define CF_FILL_VALUE "_FillValue"
+#define CF_VALID_MIN "valid_min"
+#define CF_VALID_MAX "valid_max"
+#define CF_COORDINATES "coordinates"
+
+/* These are defined in appendix D of the CF standard. They are for
+ * dimensionless vertical coordinates. */
+#define CF_VERT_ATM_LN 0
+#define STD_ATM_LN "atmosphere_ln_pressure_coordinate"
+#define FT_ATM_LN_FORMAT "p0: %s lev: %s"
+#define FT_ATM_LN_TERMS 2
+
+#define CF_VERT_SIGMA 1
+#define STD_SIGMA "atmosphere_sigma_coordinate"
+#define FT_SIGMA_FORMAT "sigma: %s ps: %s ptop: %s"
+#define FT_SIGMA_TERMS 3
+
+#define CF_VERT_HYBRID_SIGMA 2
+#define STD_HYBRID_SIGMA "atmosphere_hybrid_sigma_pressure_coordinate"
+#define FT_HYBRID_SIGMA_FORMAT "a: %s b: %s ps: %s p0: %s"
+#define FT_HYBRID_SIGMA_TERMS 4
+
+#define CF_VERT_HYBRID_HEIGHT 3
+#define STD_HYBRID_HEIGHT "atmosphere_hybrid_height_coordinate"
+#define FT_HYBRID_HEIGHT_FORMAT "a: %s b: %s orog: %s"
+#define FT_HYBRID_HEIGHT_TERMS 3
+
+#define CF_VERT_SLEVE 4
+#define STD_SLEVE "atmosphere_sleve_coordinate"
+#define FT_SLEVE_FORMAT "a: %s b1: %s b2: %s ztop: %s zsurf1: %s zsurf2: %s"
+#define FT_SLEVE_TERMS 6
+
+#define CF_VERT_OCEAN_SIGMA 5
+#define STD_OCEAN_SIGMA "ocean_sigma_coordinate"
+#define FT_OCEAN_SIGMA_FORMAT "sigma: %s eta: %s depth: %s"
+#define FT_OCEAN_SIGMA_TERMS 3
+
+#define CF_VERT_OCEAN_S 6
+#define STD_OCEAN_S "ocean_s_coordinate"
+#define FT_OCEAN_S_FORMAT "s: %s eta: %s depth: %s a: %s b: %s depth_c: %s"
+#define FT_OCEAN_S_TERMS 6
+
+#define CF_VERT_OCEAN_SIGMA_Z 7
+#define STD_OCEAN_SIGMA_Z "ocean_sigma_z_coordinate"
+#define FT_OCEAN_SIGMA_Z_FORMAT "sigma: %s eta: %s depth: %s depth_c: %s nsigma: %s zlev: %s"
+#define FT_OCEAN_SIGMA_Z_TERMS 6
+
+#define CF_VERT_OCEAN_DBL_SIGMA 8
+#define STD_OCEAN_DBL_SIGMA "ocean_double_sigma_coordinate"
+#define FT_OCEAN_DBL_SIGMA_FORMAT "sigma: %s depth: %s z1: %s z2: %s a: %s href: %s k_c: %s"
+#define FT_OCEAN_DBL_SIGMA_TERMS 7
+
+#define CF_NUM_VERT 9
+#define FT_MAX_TERMS 7
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+   /* Get the version string for the CF Library (max length:
+    * NC_MAX_NAME + 1). */
+   int nccf_inq_libvers(char *version_string);
+
+   /* Mark the file as following CF-1.0 conventions. */
+   int nccf_def_convention(int ncid);
+
+   /* Determine if the file follows CF-1.0 conventions. */
+   int nccf_inq_convention(int ncid, int *cf_convention);
+
+   /* Add some or all of the CF recomended text attributes to a
+    * file. Timestamp will be added to history. If history attribute
+    * already exists, this history value will be appended. */
+   int nccf_def_file(int ncid, const char *title, const char *history);
+
+   /* Read any existing CF recomended text attributes from the
+    * file. The history will get a timestamp. */
+   int nccf_inq_file(int ncid, size_t *title_lenp, char *title, 
+		     size_t *history_lenp, char *history);
+
+   /* Append to the global "history" attribute, with a timestamp. */
+   int nccf_add_history(int ncid, const char *history);
+
+   /* Add some or all of the CF recomended text attributes to a variable. */
+   int nccf_def_var(int ncid, int varid, const char *units, 
+		    const char *long_name, const char *standard_name, 
+		    int ncoord_vars, int *coord_varids);
+
+   /* Read any existing CF recomended text attributes from a variable. */
+   int nccf_inq_var(int ncid, int varid, size_t *units_lenp, char *units, 
+		    size_t *long_name_lenp, char *long_name, 
+		    size_t *standard_name_lenp, char *standard_name,
+		    int *ncoord_vars, int *coord_varids);
+
+   /* Set attributes to define missing data information. */
+   int nccf_def_var_missing(int ncid, int varid, const void *fill_value, 
+			    const void *valid_min, const void *valid_max);
+
+   /* Get attributes which define missing data information. */
+   int nccf_inq_var_missing(int ncid, int varid, void *fill_value, 
+			    void *valid_min, void *valid_max);
+
+   /* Add any or all of these four attributes to a file or variable. */
+   int nccf_def_notes(int ncid, int varid, const char *institution, 
+		      const char *source, const char *comment, 
+		      const char *references);
+
+   /* Read any or all of these four attributes of a file or
+    * variable. */
+   int nccf_inq_notes(int ncid, int varid,
+		      size_t *institution_lenp, char *institution, 
+		      size_t *source_lenp, char *source, 
+		      size_t *comment_lenp, char *comment, 
+		      size_t *references_lenp, char *references);
+
+   /* Set attributes to define missing data information. */
+   int nccf_def_var_missing(int ncid, int varid, const void *fill_valuep, 
+			    const void *valid_minp, const void *valid_maxp);
+
+   /* Get attributes which define missing data information. If the
+    * attributes are not there, then provide the valid data anyway, based
+    * on netCDF defaults. */
+   int nccf_inq_var_missing(int ncid, int varid, void *fill_valuep, 
+			    void *valid_minp, void *valid_maxp);
+
+   /* Define a latitude dimension and variable with all the CF
+    * recomended attribute accessories.*/
+   int nccf_def_latitude(int ncid, size_t len, nc_type xtype, 
+			 int *lat_dimidp, int *lat_varidp);
+
+   /* Inquire about a latitude dimension and coordinate variable. */
+   int nccf_inq_latitude(int ncid, size_t *lenp, nc_type *xtypep, 
+			 int *lat_dimidp, int *lat_varidp);
+
+   /* Define a longitude dimension and variable with all the CF
+    * recomended attribute accessories.*/
+   int nccf_def_longitude(int ncid, size_t len, nc_type xtype, 
+			  int *lon_dimidp, int *lon_varidp);
+
+   /* Inquire about a longitude dimension and coordinate variable.*/
+   int nccf_inq_longitude(int ncid, size_t *lenp, nc_type *xtypep, 
+			  int *lon_dimidp, int *lon_varidp);
+
+   int nccf_def_lvl(int ncid, const char *name, size_t len, nc_type xtype, 
+		    const char *units, int positive_up, 
+		    const char *standard_name, const char *formula_terms, 
+		    int cdm_axis_type, int *lvl_dimidp, int *lvl_varidp);
+
+   /* Inquire about a vertical dimension and coordinate variable. */
+   int nccf_inq_lvl(int ncid, char *name, size_t *lenp, nc_type *xtypep, 
+		    size_t *ft_lenp, char *formula_terms, int *positive_upp, 
+		    int *lvl_dimidp, int *lvl_varidp);
+
+   /* Define a time coordinate variable and dimension. */
+   int nccf_def_time(int ncid, const char *name, size_t len, nc_type xtype, 
+		     const char *units, const char *standard_name, 
+		     int *time_dimidp, int *time_varidp);
+
+   /* Inquire about a time dimension and coordinate variable. */
+   int nccf_inq_time(int ncid, char *name, size_t *lenp, nc_type *xtypep, 
+		     int *time_dimidp, int *time_varidp);
+
+   /* Define a unitless vertical coordinate. */
+   int nccf_def_lvl_vert(int ncid, int lvl_type, const char *name, nc_type xtype, 
+			 size_t len, int *lvl_dimidp, int *lvl_varidp);
+
+   /* Learn about a unitless vertical coordinate. */
+   int nccf_inq_lvl_vert(int ncid, char *name, nc_type *xtypep, size_t *lenp, 
+			 int *lvl_typep, int *lvl_dimidp, int *lvl_varidp);
+
+   /* Define atmosphere sigma coordinate. */
+   int nccf_def_lvl_sigma(int ncid, const char *name, nc_type xtype, 
+			  size_t len, int *lvl_dimidp, int *lvl_varidp);
+
+   /* Set the formula_terms to contain information about this level. */
+   int nccf_def_ft_sigma(int ncid, int lvl_vid, int ps_vid, int p0_vid);
+   
+   /* Inquire about atmosphere sigma coordinate. */
+   int nccf_inq_lvl_sigma(int ncid, char *name, nc_type *xtypep, size_t *lenp, 
+			  int *ps_varidp, int *ptop_varidp, int *lvl_dimidp, 
+			  int *lvl_varidp);
+
+   /* Define hybrid_sigma coordinate. */
+   int nccf_def_lvl_hybrid_sigma(int ncid, const char *name, nc_type xtype, 
+				 size_t len, int *lvl_dimidp, int *lvl_varidp);
+
+   /* Set the formula_terms to contain information about this level. */
+   int nccf_def_ft_hybrid_sigma(int ncid, int lvl_vid, int a_vid, int b_vid, int ps_vid, 
+				int p0_vid);
+
+   /* Inquire about hybrid_sigma coordinate. */
+   int nccf_inq_lvl_hybrid_sigma(int ncid, char *name, nc_type *xtypep, 
+				 size_t *lenp, int *a_varidp, int *b_varidp, 
+				 int *ps_varidp, int *p0_varidp, int *lvl_dimidp, 
+				 int *lvl_varidp);
+
+   /* Define hybrid_sigma coordinate. */
+   int nccf_def_lvl_hybrid_sigma_full(int ncid, const char *name, nc_type xtype, 
+				      size_t len, int *lvl_dimidp, int *lvl_varidp);
+
+   /* Define hybrid_sigma coordinate. */
+   int nccf_def_ft_hybrid_sigma_full(int ncid, int varid, int a_varid, int b_varid, 
+				     int ps_varid, int p0_varid);
+
+   /* Define hybrid_height coordinate. */
+   int nccf_def_lvl_hybrid_height(int ncid, const char *name, nc_type xtype, size_t len,
+				  int *lvl_dimidp, int *lvl_varidp);
+
+   /* Define hybrid_height coordinate. */
+   int nccf_def_ft_hybrid_height(int ncid, int varid, int a_varid, int b_varid, 
+				 int orog_varid);
+
+   /* Inquire about hybrid_height coordinate. */
+   int nccf_inq_lvl_hybrid_height(int ncid, char *name, nc_type *xtypep, size_t *lenp,
+				  int *a_varidp, int *b_varidp, int *orog_varidp,
+				  int *lvl_dimidp, int *lvl_varidp);
+
+   /* Define sleve coordinate. */
+   int nccf_def_lvl_sleve(int ncid, const char *name, nc_type xtype, size_t len, 
+			  int *lvl_dimidp, int *lvl_varidp);
+
+   /* Define sleve coordinate. */
+   int nccf_def_ft_sleve(int ncid, int varid, int a_varid, int b1_varid, int b2_varid, 
+			 int ztop_varid, int zsurf1_varid, int zsurf2_varid);
+
+   /* Inquire about sleve coordinate. */
+   int nccf_inq_lvl_sleve(int ncid, char *name, nc_type *xtypep, size_t *lenp,
+			  int *a_varidp, int *b1_varidp, int *b2_varidp, int *ztop_varidp,
+			  int *zsurf1_varidp, int *zsurf2_varidp, int *lvl_dimidp,
+			  int *lvl_varidp);
+
+   
+
+   int nccf_def_lvl_ocean_sigma(int ncid, const char *name, nc_type xtype, size_t len,
+				int *lvl_dimidp, int *lvl_varidp);
+
+   int nccf_def_ft_ocean_sigma(int ncid, int varid, int eta_varid, int depth_varid);
+
+   int nccf_inq_lvl_ocean_sigma(int ncid, char *name, nc_type *xtypep, size_t *lenp,
+				int *eta_varidp, int *depth_varidp, int *lvl_dimidp,
+				int *lvl_varidp);
+
+   int nccf_def_lvl_ocean_s(int ncid, const char *name, nc_type xtype, size_t len,
+			    int *lvl_dimidp, int *lvl_varidp);
+
+   int nccf_def_ft_ocean_s(int ncid, int varid, int eta_varid, int depth_varid, 
+			   int a_varid, int b_varid, int depth_c_varid);
+
+   int nccf_inq_lvl_ocean_s(int ncid, char *name, nc_type *xtypep, size_t *lenp,
+			    int *eta_varidp, int *depth_varidp, int *a_varidp, int *b_varidp,
+			    int *depth_c_varidp, int *lvl_dimidp, int *lvl_varidp);
+
+   /* Define ocean_sigma_z coordinate. */
+   int nccf_def_lvl_ocean_sigma_z(int ncid, const char *name, nc_type xtype,
+				  size_t len, int *lvl_dimidp, int *lvl_varidp);
+
+   int nccf_def_ft_ocean_sigma_z(int ncid, int varid, int eta_varid, int depth_varid,
+				  int depth_c_varid, int nsigma_varid, int zlev_varid);
+
+   /* Inquire about ocean_sigma_z coordinate. */
+   int nccf_inq_lvl_ocean_sigma_z(int ncid, char *name, nc_type *xtypep, size_t *lenp,
+				  int *eta_varidp, int *depth_varidp, int *depth_c_varidp,
+				  int *nsigma_varidp, int *zlev_varidp, int *lvl_dimidp,
+				  int *lvl_varidp);
+
+   int nccf_def_lvl_ocean_dbl_sigma(int ncid, const char *name, nc_type xtype, size_t len,
+				    int *lvl_dimidp, int *lvl_varidp);
+
+   int nccf_def_ft_ocean_dbl_sigma(int ncid, int varid, int depth_varid, int z1_varid, 
+				   int z2_varid, int a_varid, int href_varid, int k_c_varid);
+
+
+   /* Inquire about atmosphere ocean_dbl_sigma coordinate. */
+   int nccf_inq_lvl_ocean_dbl_sigma(int ncid, char *name, nc_type *xtypep, size_t *lenp,
+				    int *depth_varidp, int *z1_varidp, int *z2_varidp,
+				    int *a_varidp, int *href_varidp, int *k_c_varidp,
+				    int *lvl_dimidp, int *lvl_varidp);
+
+   /* Here are functions for coordinate axis stuff. */
+
+   /* Label the axis type of a coordinate var. */
+   int nccf_def_axis_type(int ncid, int varid, int axis_type);
+
+   /* Find out the axis type o a coordinate var. */
+   int nccf_inq_axis_type(int ncid, int varid, int *axis_type);
+
+   /* Define a coordinate system consisting of naxes axes, each axis
+    * represented by a coordinate varid in the axis_varids array. This
+    * create a new (scalar, NC_CHAR) var, whose varid is returned in
+    * system_varid. */
+   int nccf_def_coord_system(int ncid, const char *name, int naxes, int *axis_varids, 
+			     int *system_varid);
+
+   /* Find out about a coordinate system, it's name, number of axes, and
+    * the varid of each axis coordinate var. */
+   int nccf_inq_coord_system(int ncid, int system_varid, char *name, 
+			     int *naxes, int *axis_varids);
+
+   /* Assign a coordinate system to a var. This adds an attriibute to the
+    * var. */
+   int nccf_assign_coord_system(int ncid, int varid, int system_varid);
+
+   /* Define a coordinate transform. This adds a (scalar, NC_CHAR) var,
+    * which contains some attributes. The varid of this new variable is
+    * returned in transform_varid. */
+   int nccf_def_transform(int ncid, const char *name, const char *transform_type, 
+			  const char *transform_name, int *transform_varid);
+
+   /* Find out about a coordinate transform, it's name, and the contents
+    * of the transform_type and transform_name attributes. Pass NULL for
+    * any that you're not interested in. Pass NULL for transform_type and
+    * transform_name to get their lengths with type_len and name_len. */
+   int nccf_inq_transform(int ncid, int transform_varid, char *name, size_t *type_len, 
+			  char *transform_type, size_t *name_len, char *transform_name);
+
+   /* Assign a coordinate transform to a coordinate system. This adds an
+    * attribute to the variable that holds the coordinate system
+    * attributes. */
+   int nccf_assign_transform(int ncid, int system_varid, int transform_varid);
+
+   /* 4D geographic subsetting. */
+   int nccf_get_vara(int ncid, int varid, float *lat_range, int *nlat, float *lon_range, 
+		     int *nlon, int lvl_index, int timestep, void *data);
+
+   /* Calandar and time. */
+#define cdStandardCal   0x11
+#define cdClimCal        0x0
+#define cdHasLeap      0x100
+#define cdHasNoLeap    0x000
+#define cd365Days     0x1000
+#define cd360Days     0x0000
+#define cdJulianCal  0x10000
+#define cdMixedCal   0x20000
+
+   typedef enum cdCalenType {
+      cdStandard    = ( cdStandardCal | cdHasLeap   | cd365Days),
+      cdJulian      = ( cdStandardCal | cdHasLeap   | cd365Days | cdJulianCal),
+      cdNoLeap      = ( cdStandardCal | cdHasNoLeap | cd365Days),
+      cd360         = ( cdStandardCal | cdHasNoLeap | cd360Days),
+      cdClim        = ( cdClimCal     | cdHasNoLeap | cd365Days),
+      cdClimLeap    = ( cdClimCal     | cdHasLeap   | cd365Days),
+      cdClim360     = ( cdClimCal     | cdHasNoLeap | cd360Days),
+      cdMixed       = ( cdStandardCal | cdHasLeap   | cd365Days | cdMixedCal)
+   }  cdCalenType;
+
+   typedef enum cdType {cdInvalidType = -1,
+			cdByte = NC_BYTE,
+			cdChar = NC_CHAR,
+			cdShort = NC_SHORT,
+			cdInt = NC_INT,
+			cdLong = NC_INT,
+			cdFloat = NC_FLOAT,
+			cdDouble = NC_DOUBLE,
+			cdLongDouble = NC_DOUBLE,
+			cdCharTime
+   } cdType;
+
+   typedef struct {
+	 long 		year;		     /* Year */
+	 short 		month;		     /* Numerical month (1..12) */
+	 short 		day;		     /* Day of month (1..31) */
+	 double 		hour;		     /* Hour and fractional hours */
+   } cdCompTime;
+
+   int cdAbs2Comp(char* absunits, void* abstime, cdType abstimetype, cdCompTime* comptime, double* frac);
+   void cdChar2Comp(cdCalenType timetype, char* chartime, cdCompTime* comptime);
+   void cdChar2Rel(cdCalenType timetype, char* chartime, char* relunits, double* reltime);
+   int cdComp2Abs(cdCompTime comptime, char* absunits, cdType abstimetype, double frac, void* abstime);
+   void cdComp2Char(cdCalenType timetype, cdCompTime comptime, char* time);
+   void cdComp2Rel(cdCalenType timetype, cdCompTime comptime, char* relunits, double* reltime);
+   void cdRel2Char(cdCalenType timetype, char* relunits, double reltime, char* chartime);
+   void cdRel2Comp(cdCalenType timetype, char* relunits, double reltime, cdCompTime* comptime);
+   void cdRel2Rel(cdCalenType timetype, char* inunits, double intime, char* newunits, double* outtime);
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* NCCFLIB */
diff --git a/src/libcf_int.h b/src/libcf_int.h
new file mode 100644
index 0000000..826b9ab
--- /dev/null
+++ b/src/libcf_int.h
@@ -0,0 +1,23 @@
+/* 
+This is part of the libcf package from Unidata. Copyright UCAR
+2006.
+
+This is an internal header file for library-wide stuff that I don't
+want in the libcf.h file.
+
+Ed Hartnett, 10/1/06
+
+$Id: libcf_int.h,v 1.4 2006/11/11 15:03:03 ed Exp $
+*/
+
+#ifndef _LIBCF_INT_
+#define _LIBCF_INT_
+
+/* To log based on error code, and set retval. */
+#define BAIL(e) do { \
+ret = e; \
+printf("file %s, line %d.\n%s", __FILE__, __LINE__, nc_strerror(e)); \
+goto exit; \
+} while (0) 
+
+#endif /* _LIBCF_INT_ */
diff --git a/src/nc_tests.h b/src/nc_tests.h
new file mode 100644
index 0000000..c57a642
--- /dev/null
+++ b/src/nc_tests.h
@@ -0,0 +1,71 @@
+/* 
+Copyright 2005 University Corporation for Atmospheric Research/Unidata
+See COPYRIGHT file for conditions of use.
+
+This is part of the libcf package.
+
+Common includes, defines, etc., for test code.
+
+Ed Hartnett, 10/1/06
+
+$Id: nc_tests.h,v 1.3 2006/11/11 15:03:03 ed Exp $
+*/
+#ifndef _NC_TESTS_
+#define _NC_TESTS_
+
+#include <config.h>
+#include <assert.h>
+#include <stdio.h>
+#include <string.h>
+
+/* Err is used to keep track of errors within each set of tests,
+ * total_err is the number of errors in the entire test program, which
+ * generally cosists of several sets of tests. */
+int total_err = 0, err = 0;
+
+/* This is handy for print statements. */
+char *format_name[] = {"", "classic", "64-bit offset", "netCDF-4", 
+		       "netCDF-4 classic model"};
+
+/* This macro prints an error message with line number and name of
+ * test program. */
+#define ERR do { \
+fflush(stdout); /* Make sure our stdout is synced with stderr. */ \
+err++; \
+fprintf(stderr, "Sorry! Unexpected result, %s, line: %d\n", \
+	__FILE__, __LINE__);				    \
+} while (0)
+
+/* After a set of tests, report the number of errors, and increment
+ * total_err. */
+#define SUMMARIZE_ERR do { \
+   if (err) \
+   { \
+      printf("%d failures\n", err); \
+      total_err += err; \
+      err = 0; \
+   } \
+   else \
+      printf("ok.\n"); \
+} while (0)
+
+/* If extra memory debugging is not in use (as it usually isn't),
+ * define away the nc_exit function, which may be in some tests. */
+#ifndef EXTRA_MEM_DEBUG
+#define nc_exit()
+#endif
+
+/* This macro prints out our total number of errors, if any, and exits
+ * with a 0 if there are not, or a 2 if there were errors. Make will
+ * stop if a non-zero value is returned from a test program. */
+#define FINAL_RESULTS do { \
+   if (total_err) \
+   { \
+      printf("%d errors detected! Sorry!\n", total_err); \
+      return 2; \
+   } \
+   printf("*** Tests successful!\n"); \
+   return 0; \
+} while (0)
+
+#endif /* _NC_TESTS_ */
diff --git a/src/nccoord.c b/src/nccoord.c
new file mode 100644
index 0000000..90387ee
--- /dev/null
+++ b/src/nccoord.c
@@ -0,0 +1,379 @@
+/*
+Copyright 2006, University Corporation for Atmospheric Research. See
+COPYRIGHT file for copying and redistribution conditions.
+
+This file is part of the CF Library. 
+
+This file handles the nc4 coordinate systems.
+
+Ed Hartnett, 10/1/05
+
+$Id: nccoord.c,v 1.8 2008/06/30 16:34:30 ed Exp $
+*/
+
+#include <config.h>
+#include <libcf.h>
+#include <libcf_int.h>
+#include <stdlib.h>
+#include <string.h>
+
+static char* axis_type_name[] = {"", "Lat", "Lon", "GeoX", "GeoY", "GeoZ", 
+				 "Height", "Height", "Pressure", "Time", 
+				 "RadialAzimuth", "RadialElevation", 
+				 "RadialDistance"};
+
+/* Here are functions for coordinate axis stuff. */
+int
+nccf_def_axis_type(int ncid, int varid, int axis_type)
+{
+   int dimid;
+   char var_name[NC_MAX_NAME + 1];
+   int ret;
+
+   /* Is the axis type valid? */
+   if (axis_type < 0 || axis_type > NCCF_RADDIST)
+      return NC_EINVAL;
+
+   /* Make sure there's a dimension with the same name in this
+    * ncid. */
+   if ((ret = nc_inq_varname(ncid, varid, var_name)))
+      return ret;
+   if ((ret = nc_inq_dimid(ncid, var_name, &dimid)))
+      return ret;
+
+   /* Now write the attribute which stores the axis type. */
+   if ((ret = nc_put_att_text(ncid, varid, COORDINATE_AXIS_TYPE, 
+				 strlen(axis_type_name[axis_type]) + 1, 
+				 axis_type_name[axis_type])))
+      return ret;
+
+   /* For height we write another attribute, indicating up
+    * vs. down. */
+   if (axis_type == NCCF_HEIGHT_UP)
+   {
+      if ((ret = nc_put_att_text(ncid, varid, COORDINATE_Z_IS_POSITIVE, 
+				    strlen(Z_UP) + 1, Z_UP)))
+	 return ret;
+   }
+   else if (axis_type == NCCF_HEIGHT_DOWN)
+   {
+      if ((ret = nc_put_att_text(ncid, varid, COORDINATE_Z_IS_POSITIVE, 
+				    strlen(Z_UP) + 1, Z_UP)))
+	 return ret;
+   }
+
+   return NC_NOERR;
+}
+
+int
+nccf_inq_axis_type(int ncid, int varid, int *axis_type)
+{
+   char value[NC_MAX_NAME + 1];
+   int i;
+   int ret;
+
+   /* Get the attribute which stores the axis type. */
+   if ((ret = nc_get_att_text(ncid, varid, COORDINATE_AXIS_TYPE, 
+				 value)))
+      return ret;
+
+   /* Which axis type is this? */
+   for (i = 1; i <= NCCF_RADDIST; i++)
+      if (!strcmp(value, axis_type_name[i]))
+	 break;
+
+   /* For height we also have to look at another attribute to find out
+    * whether it is up or down. At this point, i will equal
+    * NCCF_HEIGHT_UP, find out whether it should be HEIGHT_DOWN. */
+   if (i == NCCF_HEIGHT_UP)
+   {
+      if ((ret = nc_get_att_text(ncid, varid, COORDINATE_Z_IS_POSITIVE, 
+				    value)))
+	 return ret;
+      if (!strcmp(value, Z_DOWN))
+	 i = NCCF_HEIGHT_DOWN;
+   }
+
+   /* Return a valid type if we found one, otherwise zero. */
+   if (i > NCCF_RADDIST)
+      return NCCF_NOAXISTYPE;
+   
+   if (axis_type)
+      *axis_type = i;
+   
+   return NC_NOERR;
+}
+
+
+/* Define a coordinate system. This creates a var with contains a text
+ * attribute, which is the names of the (coordinate) vars which make
+ * up the axes of a coordinate system. */
+int
+nccf_def_coord_system(int ncid, const char *name, int naxes, int *axis_varids, 
+		    int *system_varid)
+{
+   int dimid, a;
+   int varid;
+   char var_name[NC_MAX_NAME + 1];
+   char *coord_axes_str;
+   int ret;
+   
+   /* naxes must be positive and less than max_dims. */
+   if (naxes < 0)
+      return NC_EINVAL;
+   if (naxes > NC_MAX_DIMS)
+      return NC_EMAXDIMS;
+
+   /* Create a scalar var, type NC_CHAR, to hold the attribute that
+    * defines this system. */
+   if ((ret = nc_def_var(ncid, name, NC_CHAR, 0, NULL, &varid)))
+      return ret;
+   
+   /* If the user wants it, return the varid of this system. */
+   if (system_varid)
+      *system_varid = varid;
+
+   /* malloc space for the string which will hold the names of all the
+    * axes. */
+   if (!(coord_axes_str = malloc(naxes * NC_MAX_NAME + naxes)))
+      return NC_NOERR;
+   coord_axes_str[0] = 0;
+
+   /* Store the names of the axes in an attribute. At the same time,
+    * make sure that all the axis_varids are actually coordinate
+    * variables - that is, there is a dimension withn the same
+    * name. */
+   for (a = 0; a < naxes; a++)
+   {
+      if ((ret = nc_inq_varname(ncid, axis_varids[a], var_name)))
+	 break;
+      if ((ret = nc_inq_dimid(ncid, var_name, &dimid)))
+	 break;
+      strcat(coord_axes_str, var_name);
+      if (a < naxes - 1)
+	 strcat(coord_axes_str, " ");
+   }
+   
+   /* If we arrived here without error, then write the coord_axes_str
+    * to the appropriate attribute, to save the system in the file. */
+   if (!ret)
+      ret = nc_put_att_text(ncid, varid, COORDINATE_AXES, 
+			       strlen(coord_axes_str) + 1, coord_axes_str);
+
+   /* Free the memory we allocated. */
+   free(coord_axes_str);
+   
+   return ret;
+}
+
+/* Both CF and CDM use an attribute to hold a space-separated list of
+ * names of coordinate variables. This function reads that attribute
+ * and looks up the ID of each coordinate var. */
+int
+nccf_parse_coords(int ncid, int varid, char *att_name, int *naxes, 
+		  int *axis_varids)
+{
+   size_t len;
+   char *coords_str;
+   char axis_name[NC_MAX_NAME + 1], *p, *a;
+   int num_axes = 0, axes[NC_MAX_DIMS];
+   int a1, ret;
+
+   /* Check reasonableness of name. */
+   if (!att_name || strlen(att_name) > NC_MAX_NAME)
+      return CF_EINVAL;
+
+   /* Find length of the attribute. */
+   if ((ret = nc_inq_att(ncid, varid, att_name, NULL, &len)))
+      return ret;
+
+   /* Allocate space to read in the string. */
+   if (!(coords_str = malloc(len)))
+      return CF_ENOMEM;
+
+   /* Read in the system string. */
+   ret = nc_get_att_text(ncid, varid, att_name, coords_str);
+
+   /* If we got the coord axes string, parse it to find the names of
+    * the coordinate vars which make up this system. */
+   for (p = coords_str; !ret && (p - coords_str) < strlen(coords_str);)
+   {
+      for (a = axis_name; *p && *p != ' '; )
+	 *a++ = *p++;
+      p++;
+      *a = '\0';
+      
+      ret = nc_inq_varid(ncid, axis_name, &axes[num_axes++]);
+   }
+
+   /* Thanks for the memories! */
+   free(coords_str);
+
+   /* Give the user what they asked for. */
+   if (naxes)
+      *naxes = num_axes;
+   if (axis_varids)
+      for (a1 = 0; a1 < num_axes; a1++)
+	 axis_varids[a1] = axes[a1];
+   
+   return CF_NOERR;
+}
+
+/* Inquire about a coordinate system. */
+EXTERNL int
+nccf_inq_coord_system(int ncid, int system_varid, char *name, 
+		      int *naxes, int *axis_varids)
+{
+   int ret;
+
+   /* Get the name of this coordinate system, which is the same as the
+    * name of this variable. */
+   if ((ret = nc_inq_varname(ncid, system_varid, name)))
+      return ret;
+
+   /* Look up the ids of the vars in the COORDINATE_AXES attribute. */
+   if ((ret = nccf_parse_coords(ncid, system_varid, COORDINATE_AXES, 
+				naxes, axis_varids)))
+      return ret;
+
+   return ret;
+}
+
+/* Given the varid of a system, write an attribute to a varid, whcih
+ * indicates that it (the var) partakes of the system. Recall that the
+ * system is just a collection of var names which are axes of the
+ * coordinate system. */
+int
+nccf_assign_coord_system(int ncid, int varid, int system_varid)
+{
+   char system_name[NC_MAX_NAME + 1];
+   char *systems_str;
+   size_t len, new_len = 0;
+   int ret;
+
+   /* Find the name of this system. */
+   if ((ret = nc_inq_varname(ncid, system_varid, system_name)))
+      return ret;
+
+   /* Is the att already here? If so, get it's length, then it's
+    * contents, then append a space and the new system name. */
+   ret = nc_inq_att(ncid, varid, COORDINATE_SYSTEMS, NULL, &len);
+   if (ret != NC_ENOTATT && ret != NC_NOERR)
+      return ret;
+   if (!ret)
+      new_len += len;
+   new_len += strlen(system_name) + 1;
+   if (!(systems_str = malloc(new_len)))
+      return NC_NOERR;
+   systems_str[0] = 0;
+   if (!ret)
+   {
+      if ((ret = nc_get_att_text(ncid, varid, COORDINATE_SYSTEMS, 
+				    systems_str)))
+	 return ret;
+      strcat(systems_str, " ");
+   }
+   strcat(systems_str, system_name);
+
+   /* Write an att, called _CoordinateSystems, which
+    * contains a list of the system names related to this variable. */
+   ret = nc_put_att_text(ncid, varid, COORDINATE_SYSTEMS, 
+			    strlen(systems_str) + 1, systems_str);
+      
+
+   /* Free the memory we allocated. */
+   free(systems_str);
+   
+   return ret;
+}
+
+/* Define a transform. This will create a scalar var of type NC_CHAR
+ * to hold some attributes. */
+int
+nccf_def_transform(int ncid, const char *name, const char *transform_type,
+		 const char *transform_name, int *transform_varid)
+{
+   int varid;
+   int ret;
+   
+   /* Create a scalar var, type NC_CHAR, to hold the attribute that
+    * defines this transform. */
+   if ((ret = nc_def_var(ncid, name, NC_CHAR, 0, NULL, &varid)))
+      return ret;
+   
+   /* If the user wants it, return the varid of this system. */
+   if (transform_varid)
+      *transform_varid = varid;
+
+   /* Store the transform_type, if provided by the user. */
+   if (transform_type)
+      if ((ret = nc_put_att_text(ncid, varid, TRANSFORM_TYPE, 
+				    strlen(transform_type) + 1, transform_type)))
+	 return ret;
+
+   /* Store the transform name, if provided by the user. */
+   if (transform_type)
+      if ((ret = nc_put_att_text(ncid, varid, TRANSFORM_NAME, 
+				    strlen(transform_name) + 1, transform_name)))
+	 return ret;
+
+   return NC_NOERR;
+}
+
+EXTERNL int
+nccf_inq_transform(int ncid, int transform_varid, char *name, size_t *type_len, 
+		 char *transform_type, size_t *name_len, char *transform_name)
+{
+   int ret;
+
+   /* Find the name of the transform var, if desired. */
+   if (name)
+      if ((ret = nc_inq_varname(ncid, transform_varid, name)))
+	 return ret;
+
+   /* If the user wants the length of the transform_type, find it. */
+   if (type_len)
+      if ((ret = nc_inq_attlen(ncid, transform_varid, TRANSFORM_TYPE, 
+				  type_len)))
+	 return ret;
+
+   /* If the user wants the transform type string, get it. */
+   if (transform_type)
+      if ((ret = nc_get_att_text(ncid, transform_varid, 
+				    TRANSFORM_TYPE, transform_type)))
+	 return ret;
+
+   /* If the user wants the length of the transform_name, find it. */
+   if (type_len)
+      if ((ret = nc_inq_attlen(ncid, transform_varid, TRANSFORM_NAME, 
+				  name_len)))
+	 return ret;
+
+   /* If the user wants the transform name string, get it. */
+   if (transform_name)
+      if ((ret = nc_get_att_text(ncid, transform_varid, 
+				   TRANSFORM_NAME, transform_name)))
+	 return ret;
+
+   return NC_NOERR;
+}
+
+int
+nccf_assign_transform(int ncid, int system_varid, int transform_varid)
+{
+   char transform_name[NC_MAX_NAME + 1];
+   int ret;
+
+   /* Find the name of the transform. */
+   if ((ret = nc_inq_varname(ncid, transform_varid, transform_name)))
+      return ret;
+
+   /* Write the transform name as an att of the system to which it
+    * applies. */
+   if ((ret = nc_put_att_text(ncid, system_varid, COORDINATE_TRANSFORMS, 
+				 strlen(transform_name) + 1, transform_name)))
+      return ret;
+   
+   return NC_NOERR;
+}
+
diff --git a/src/tst_coords.c b/src/tst_coords.c
new file mode 100644
index 0000000..a51b84a
--- /dev/null
+++ b/src/tst_coords.c
@@ -0,0 +1,447 @@
+/* 
+Copyright 2005 University Corporation for Atmospheric Research/Unidata
+See COPYRIGHT file for conditions of use. See www.unidata.ucar.edu for
+more info.
+
+This file is part of the libcf package; it tests libcf coordinate
+systems.
+
+Ed Hartnett 10/1/05
+
+$Id: tst_coords.c,v 1.5 2007/05/27 06:56:36 ed Exp $
+*/
+
+#include <nc_tests.h>
+#include <netcdf.h>
+#include <libcf.h>
+
+#define DIM_LEN 4
+#define DIM1_NAME "lat"
+#define VAR_NAME "earth"
+#define COORD_SYSTEM "coord_system"
+#define COORD_NAME "coord_name"
+#define TRANSFORM_NAME "transform_name"
+#define TRANSFORM_TYPE1 "transform_type"
+#define TRANSFORM_NAME "transform_name"
+
+#define COORDINATE_AXES "_CoordinateAxes"
+#define COORDINATE_Z_IS_POSITIVE "_CoordinateZisPositive"
+#define Z_UP "up"
+#define Z_DOWN "down"
+
+/* These are used to implement tests that end up like John Caron's
+ * examples of coordinate systems. */
+#define EARTH "earth"
+#define AIR "air"
+#define TIME "time"
+#define LEVEL "level"
+#define LEVEL_LEN 17
+#define LAT "lat"
+#define LAT_LEN 73
+#define LON "lon"
+#define LON_LEN 144
+#define NDIMS 4
+#define LAT_LON_COORDINATE_SYSTEM "LatLonCoordinateSytem"
+#define COORDINATE_SYSTEMS "_CoordinateSystems"
+#define TRANSFORM_NAME "transform_name"
+#define COORDINATE_TRANSFORMS "_CoordinateTransforms"
+#define LAMBERT_CONFORMAL_PROJECTION "LambertConformalProjection"
+#define PROJECTION "Projection"
+#define LAMBERT_CONFORMAL_CONIC "lambert_conformal_conic"
+
+/* Test everything for classic and 64-bit offsetfiles. If netcdf-4 is
+ * included, that means another whole round of testing. */
+#ifdef USE_NETCDF4
+#define NUM_FORMATS (4)
+#else
+#define NUM_FORMATS (2)
+#endif
+
+static void
+test_axis(const char *testfile)
+{
+   int ncid, dimid, varid, dimids[1] = {0};
+   int axis_type;
+   int nvars, ndims, natts, unlimdimid;
+   char value[NC_MAX_NAME + 1];
+
+   /* Create a file. */
+   if (nc_create(testfile, NC_CLOBBER, &ncid)) ERR;
+   
+   /* Create an dimension and a coordinate var to go with it. */
+   if (nc_def_dim(ncid, DIM1_NAME, DIM_LEN, &dimid)) ERR;
+   if (dimid != 0) ERR;
+   if (nc_def_var(ncid, DIM1_NAME, NC_FLOAT, 1, dimids, &varid)) ERR;
+   if (varid != 0) ERR;
+   if (nccf_def_axis_type(ncid, varid, NCCF_LONGITUDE)) ERR;
+   if (nccf_inq_axis_type(ncid, varid, &axis_type)) ERR;
+   if (axis_type != NCCF_LONGITUDE) ERR;
+   
+   /* Write the file. */
+   if (nc_close(ncid)) ERR;
+   
+   /* Reopen the file, check the axis type. */
+   if (nc_open(testfile, NC_NOWRITE, &ncid)) ERR;
+   if (nc_inq(ncid, &ndims, &nvars, &natts, &unlimdimid)) ERR;
+   if (ndims != 1 && nvars != 2 && natts != 0 && unlimdimid != -1) ERR;
+   if (nccf_inq_axis_type(ncid, 0, &axis_type)) ERR;
+   if (axis_type != NCCF_LONGITUDE) ERR;
+
+   if (nc_close(ncid)) ERR;
+
+   /* Now create a file with the HEIGHT_UP axis. */
+   if (nc_create(testfile, NC_CLOBBER, &ncid)) ERR;
+   
+   /* Create an dimension and a coordinate var to go with it. */
+   if (nc_def_dim(ncid, DIM1_NAME, DIM_LEN, &dimid)) ERR;
+   if (dimid != 0) ERR;
+   if (nc_def_var(ncid, DIM1_NAME, NC_FLOAT, 1, dimids, &varid)) ERR;
+   if (varid != 0) ERR;
+   if (nccf_def_axis_type(ncid, varid, NCCF_HEIGHT_UP)) ERR;
+   if (nccf_inq_axis_type(ncid, varid, &axis_type)) ERR;
+   if (axis_type != NCCF_HEIGHT_UP) ERR;
+   
+   /* Write the file. */
+   if (nc_close(ncid)) ERR;
+   
+   /* Reopen the file, check the axis type. */
+   if (nc_open(testfile, NC_NOWRITE, &ncid)) ERR;
+   if (nccf_inq_axis_type(ncid, 0, &axis_type)) ERR;
+   if (axis_type != NCCF_HEIGHT_UP) ERR;
+   if (nc_get_att_text(ncid, varid, COORDINATE_Z_IS_POSITIVE, 
+		       value)) ERR;
+   if (strcmp(value, Z_UP)) ERR;
+   
+   if (nc_close(ncid)) ERR; 
+}
+
+static void
+test_system(const char *testfile)
+{
+   int ncid, dimid, axis_varid, system_varid, dimids[1] = {0};
+   int axes_varids[1] = {0};
+   int nvars, ndims, natts, unlimdimid;
+   char name_in[NC_MAX_NAME + 1];
+   int naxes_in, axes_varids_in[1];
+
+   /* Create a file. */
+   if (nc_create(testfile, NC_CLOBBER, &ncid)) ERR;
+
+   /* Create an dimension and a coordinate var to go with it. */
+   if (nc_def_dim(ncid, DIM1_NAME, DIM_LEN, &dimid)) ERR;
+   if (nc_def_var(ncid, DIM1_NAME, NC_FLOAT, 1, dimids, &axis_varid)) ERR;
+   if (axis_varid != 0) ERR;
+   if (nccf_def_coord_system(ncid, COORD_SYSTEM, 1, axes_varids, &system_varid)) ERR;
+   if (system_varid != 1) ERR;
+   if (nccf_inq_coord_system(ncid, 1, name_in, &naxes_in, axes_varids_in)) ERR;
+   if (strcmp(name_in, COORD_SYSTEM) || naxes_in != 1 || 
+       axes_varids_in[0] != axes_varids[0]) ERR;
+
+
+   /* Write the file. */
+   if (nc_close(ncid)) ERR;
+
+   /* Reopen the file and check it. */
+   if (nc_open(testfile, NC_NOWRITE, &ncid)) ERR;
+   if (nc_inq(ncid, &ndims, &nvars, &natts, &unlimdimid)) ERR;
+   if (ndims != 1 && nvars != 2 && natts != 0 && unlimdimid != -1) ERR;
+   if (nccf_inq_coord_system(ncid, 1, name_in, &naxes_in, 
+			   axes_varids_in)) ERR;
+   if (strcmp(name_in, COORD_SYSTEM) || naxes_in != 1 || 
+       axes_varids_in[0] != axes_varids[0]) ERR;
+
+   if (nc_close(ncid)) ERR; 
+}
+
+/* Test the creation of a system, and it's assignment to a data
+ * variable. THis matches example 2 from John's document (with some of
+ * the other attributes left out.) */
+static void
+test_system_assign(const char *testfile)
+{
+   int ncid, axis_varids[NDIMS], system_varid, dimids[NDIMS];
+   int nvars, ndims, natts, unlimdimid;
+   int dimids_in[NDIMS], ndims_in;
+   size_t len_in;
+   char name_in[NC_MAX_NAME + 1];
+   char systems_in[NC_MAX_NAME + 1];
+   int naxes_in, axis_varids_in[NDIMS], natts_in;
+   char *dim_name[] = {TIME, LEVEL, LAT, LON};
+   size_t dim_len[NDIMS] = {NC_UNLIMITED, LEVEL_LEN, LAT_LEN, LON_LEN};
+   int earth_varid, air_varid;
+   int varid_in;
+   nc_type type_in;
+   int d;
+
+   /* Create a file. */
+   if (nc_create(testfile, NC_CLOBBER, &ncid)) ERR;
+
+   /* Create 4 dimensions, and a coordinate var to go with each. */
+   for (d = 0; d < NDIMS; d++)
+   {
+      if (nc_def_dim(ncid, dim_name[d], dim_len[d], &dimids[d])) ERR;
+      if (nc_def_var(ncid, dim_name[d], NC_FLOAT, 1, &dimids[d], 
+		     &axis_varids[d])) ERR;
+   }
+
+   /* Create two data vars, earth and air. (Don't know what happened
+    * to fire and water Aristotle!) */
+   if (nc_def_var(ncid, EARTH, NC_FLOAT, NDIMS, dimids, 
+		  &earth_varid)) ERR;
+   if (nc_def_var(ncid, AIR, NC_FLOAT, NDIMS, dimids, 
+		  &air_varid)) ERR;
+   
+   /* Unite our 4 dims in a coordinate system. */
+   if (nccf_def_coord_system(ncid, LAT_LON_COORDINATE_SYSTEM, NDIMS, 
+			     axis_varids, &system_varid)) ERR;
+
+   /* Check things out. */
+   if (nc_inq(ncid, &ndims, &nvars, &natts, &unlimdimid)) ERR;
+   if (ndims != 4 && nvars != 7 && natts != 0 && unlimdimid != dimids[3]) ERR;
+   if (nc_inq_varid(ncid, LAT_LON_COORDINATE_SYSTEM, &varid_in)) ERR;
+   if (varid_in != system_varid) ERR;
+   if (nc_inq_var(ncid, system_varid, name_in, &type_in, &ndims_in, 
+		  dimids_in, &natts_in)) ERR;
+   if (strcmp(name_in, LAT_LON_COORDINATE_SYSTEM) || type_in != NC_CHAR || 
+       ndims_in != 0 || natts_in != 1);
+   if (nc_inq_att(ncid, system_varid, COORDINATE_AXES, &type_in, &len_in)) ERR;
+   if (type_in != NC_CHAR) ERR;
+   if (nccf_inq_coord_system(ncid, system_varid, name_in, &naxes_in, axis_varids_in)) ERR;
+   if (strcmp(name_in, LAT_LON_COORDINATE_SYSTEM) || naxes_in != NDIMS) ERR;
+   for (d = 0; d < NDIMS; d++)
+      if (axis_varids_in[d] != axis_varids[d]) ERR;
+
+   /* Assign the system to the earth and air data variables. */
+   if (nccf_assign_coord_system(ncid, earth_varid, system_varid)) ERR;
+   if (nccf_assign_coord_system(ncid, air_varid, system_varid)) ERR;
+
+   /* Check to ensure that the assignments happened. */
+   if (nc_inq_varnatts(ncid, earth_varid, &natts_in)) ERR;
+   if (natts_in != 1) ERR;
+   if (nc_inq_att(ncid, earth_varid, COORDINATE_SYSTEMS, &type_in, &len_in)) ERR;
+   if (type_in != NC_CHAR) ERR;
+   if (nc_inq_varnatts(ncid, air_varid, &natts_in)) ERR;
+   if (natts_in != 1) ERR;
+   if (nc_get_att_text(ncid, earth_varid, COORDINATE_SYSTEMS, systems_in)) ERR;
+   if (strcmp(systems_in, LAT_LON_COORDINATE_SYSTEM)) ERR;
+   if (nc_inq_att(ncid, air_varid, COORDINATE_SYSTEMS, &type_in, &len_in)) ERR;
+   if (type_in != NC_CHAR) ERR;
+   if (nc_get_att_text(ncid, air_varid, COORDINATE_SYSTEMS, systems_in)) ERR;
+   if (strcmp(systems_in, LAT_LON_COORDINATE_SYSTEM)) ERR;
+
+   /* Write the file. */
+   if (nc_close(ncid)) ERR;
+
+   /* Reopen the file and check it. */
+   if (nc_open(testfile, NC_NOWRITE, &ncid)) ERR;
+   if (nc_inq(ncid, &ndims, &nvars, &natts, &unlimdimid)) ERR;
+   if (ndims != 4 && nvars != 7 && natts != 0 && unlimdimid != dimids[3]) ERR;
+   if (nc_inq_var(ncid, system_varid, name_in, &type_in, &ndims_in, 
+		  dimids_in, &natts_in)) ERR;
+   if (strcmp(name_in, LAT_LON_COORDINATE_SYSTEM) || type_in != NC_CHAR || 
+       ndims_in != 0 || natts_in != 1);
+   if (nc_inq_att(ncid, system_varid, COORDINATE_AXES, &type_in, &len_in)) ERR;
+   if (type_in != NC_CHAR) ERR;
+   if (nccf_inq_coord_system(ncid, system_varid, name_in, &naxes_in, axis_varids_in)) ERR;
+   if (strcmp(name_in, LAT_LON_COORDINATE_SYSTEM) || naxes_in != NDIMS) ERR;
+   for (d = 0; d < NDIMS; d++)
+      if (axis_varids_in[d] != axis_varids[d]) ERR;
+
+   /* Check to ensure that the assignments happened. */
+   if (nc_inq_varnatts(ncid, earth_varid, &natts_in)) ERR;
+   if (natts_in != 1) ERR;
+   if (nc_inq_att(ncid, earth_varid, COORDINATE_SYSTEMS, &type_in, &len_in)) ERR;
+   if (type_in != NC_CHAR) ERR;
+   if (nc_inq_varnatts(ncid, air_varid, &natts_in)) ERR;
+   if (natts_in != 1) ERR;
+   if (nc_get_att_text(ncid, earth_varid, COORDINATE_SYSTEMS, systems_in)) ERR;
+   if (strcmp(systems_in, LAT_LON_COORDINATE_SYSTEM)) ERR;
+   if (nc_inq_att(ncid, air_varid, COORDINATE_SYSTEMS, &type_in, &len_in)) ERR;
+   if (type_in != NC_CHAR) ERR;
+   if (nc_get_att_text(ncid, air_varid, COORDINATE_SYSTEMS, systems_in)) ERR;
+   if (strcmp(systems_in, LAT_LON_COORDINATE_SYSTEM)) ERR;
+
+   if (nc_close(ncid)) ERR; 
+}
+
+static void
+test_transform(const char *testfile)
+{
+   int ncid, transform_varid;
+   int nvars, ndims, natts, unlimdimid;
+   char name_in[NC_MAX_NAME + 1];
+   char transform_name_in[NC_MAX_NAME + 1], transform_type_in[NC_MAX_NAME + 1];
+   size_t type_len, name_len;
+
+   /* Create a file. */
+   if (nc_create(testfile, NC_CLOBBER, &ncid)) ERR;
+
+   /* Create a transform. */
+   if (nccf_def_transform(ncid, TRANSFORM_NAME, TRANSFORM_TYPE1, 
+			  TRANSFORM_NAME, &transform_varid)) ERR;
+   if (transform_varid != 0) ERR;
+   if (nccf_inq_transform(ncid, transform_varid, name_in, &type_len, 
+			  transform_type_in, &name_len, 
+			  transform_name_in)) ERR;
+   if (strcmp(name_in, TRANSFORM_NAME) || type_len != strlen(TRANSFORM_TYPE1) + 1 ||
+       strcmp(transform_type_in, TRANSFORM_TYPE1) || name_len != strlen(TRANSFORM_NAME) + 1 ||
+       strcmp(transform_name_in, TRANSFORM_NAME)) ERR;
+   
+   /* Write the file. */
+   if (nc_close(ncid)) ERR;
+
+   /* Reopen the file and check it. */
+   if (nc_open(testfile, NC_NOWRITE, &ncid)) ERR;
+   if (nc_inq(ncid, &ndims, &nvars, &natts, &unlimdimid)) ERR;
+   if (ndims != 0 && nvars != 1 && natts != 0 && unlimdimid != -1) ERR;
+   if (nccf_inq_transform(ncid, 0, name_in, &type_len, transform_type_in, 
+			&name_len, transform_name_in)) ERR;
+   if (strcmp(name_in, TRANSFORM_NAME) || type_len != strlen(TRANSFORM_TYPE1) + 1 ||
+       strcmp(transform_type_in, TRANSFORM_TYPE1) || name_len != strlen(TRANSFORM_NAME) + 1 ||
+       strcmp(transform_name_in, TRANSFORM_NAME)) ERR;
+
+   if (nc_close(ncid)) ERR; 
+}
+
+/* Create a coordinate system and transform, and create a file like
+ * John's example 4. */
+static void
+test_transform_assign(const char *testfile)
+{
+   int ncid, axis_varids[NDIMS], system_varid, dimids[NDIMS];
+   int transform_varid;
+   size_t len_in, name_len, type_len;
+   char name_in[NC_MAX_NAME + 1];
+   char transform_in[NC_MAX_NAME + 1];
+   char transform_type_in[NC_MAX_NAME + 1], transform_name_in[NC_MAX_NAME + 1];
+   char *dim_name[NDIMS] = {TIME, LEVEL, LAT, LON};
+   size_t dim_len[NDIMS] = {NC_UNLIMITED, LEVEL_LEN, LAT_LEN, LON_LEN};
+   int axis_type[NDIMS] = {NCCF_TIME, NCCF_HEIGHT_DOWN, NCCF_LATITUDE, NCCF_LONGITUDE};
+   int earth_varid, air_varid;
+   int d;
+
+   /* Create a file. */
+   if (nc_create(testfile, NC_CLOBBER, &ncid)) ERR;
+
+   /* Create 4 dimensions, and a coordinate var to go with each. Also
+    * set the axis type for each axis. */
+   for (d = 0; d < NDIMS; d++)
+   {
+      if (nc_def_dim(ncid, dim_name[d], dim_len[d], &dimids[d])) ERR;
+      if (nc_def_var(ncid, dim_name[d], NC_FLOAT, 1, &dimids[d], 
+		     &axis_varids[d])) ERR;
+      if (nccf_def_axis_type(ncid, axis_varids[d], axis_type[d])) ERR;
+   }
+
+   /* Create two data vars, earth and air. */
+   if (nc_def_var(ncid, EARTH, NC_FLOAT, NDIMS, dimids, 
+		  &earth_varid)) ERR;
+   if (nc_def_var(ncid, AIR, NC_FLOAT, NDIMS, dimids, 
+		  &air_varid)) ERR;
+   
+   /* Unite our 4 dims in a coordinate system. */
+   if (nccf_def_coord_system(ncid, LAT_LON_COORDINATE_SYSTEM, NDIMS, 
+			   axis_varids, &system_varid)) ERR;
+
+   /* Assign the system to the earth and air data variables. */
+   if (nccf_assign_coord_system(ncid, earth_varid, system_varid)) ERR;
+   if (nccf_assign_coord_system(ncid, air_varid, system_varid)) ERR;
+
+   /* Create a coordinate transform called LambertConformalProjection. */
+   if (nccf_def_transform(ncid, LAMBERT_CONFORMAL_PROJECTION, PROJECTION, 
+			LAMBERT_CONFORMAL_CONIC, &transform_varid)) ERR;
+   if (nccf_inq_transform(ncid, transform_varid, name_in, &len_in, 
+			transform_type_in, &name_len, transform_name_in)) ERR;
+   if (strcmp(name_in, LAMBERT_CONFORMAL_PROJECTION) || len_in != strlen(PROJECTION) + 1 ||
+       strcmp(transform_type_in, PROJECTION) || name_len != strlen(LAMBERT_CONFORMAL_CONIC) + 1 ||
+       strcmp(transform_name_in, LAMBERT_CONFORMAL_CONIC)) ERR;
+
+   /* Assign the transform to the coordinate system. */
+   if (nccf_assign_transform(ncid, system_varid, transform_varid)) ERR;
+   
+   /* Check it out. */
+   if (nc_get_att_text(ncid, system_varid, COORDINATE_TRANSFORMS, transform_in)) ERR;
+   if (strcmp(transform_in, LAMBERT_CONFORMAL_PROJECTION)) ERR;
+
+   /* Write the file. */
+   if (nc_close(ncid)) ERR;
+
+   /* Reopen the file and check it. */
+   if (nc_open(testfile, NC_NOWRITE, &ncid)) ERR;
+   if (nccf_inq_transform(ncid, transform_varid, name_in, &type_len, 
+			transform_type_in, &name_len, transform_name_in)) ERR;
+   if (strcmp(name_in, LAMBERT_CONFORMAL_PROJECTION) || type_len != strlen(PROJECTION) + 1 ||
+       strcmp(transform_type_in, PROJECTION) || name_len != strlen(LAMBERT_CONFORMAL_CONIC) + 1 ||
+       strcmp(transform_name_in, LAMBERT_CONFORMAL_CONIC)) ERR;
+   if (nc_get_att_text(ncid, system_varid, COORDINATE_TRANSFORMS, transform_in)) ERR;
+   if (strcmp(transform_in, LAMBERT_CONFORMAL_PROJECTION)) ERR;
+
+   if (nc_close(ncid)) ERR; 
+}
+
+int
+main(int argc, char **argv)
+{
+   int i;
+   char testfile[NC_MAX_NAME + 1];
+
+   printf("\n*** Testing coordinate systems.\n");
+   /*nc_set_log_level(3);*/
+
+   /* Go thru formats and run all tests for each of two (for netCDF-3
+    * only builds), or 3 (for netCDF-4 builds) different formats. */
+   for (i = NUM_FORMATS; i >= 1; i--)
+   {
+      switch (i) 
+      {
+	 case NC_FORMAT_CLASSIC:
+	    nc_set_default_format(NC_FORMAT_CLASSIC, NULL);
+	    fprintf(stderr, "\nSwitching to netCDF classic format.\n");
+	    strcpy(testfile, "tst_coords_classic.nc");
+	    break;
+	 case NC_FORMAT_64BIT:
+	    nc_set_default_format(NC_FORMAT_64BIT, NULL);
+	    fprintf(stderr, "\nSwitching to 64-bit offset format.\n");
+	    strcpy(testfile, "tst_coords_64bit.nc");
+	    break;
+#ifdef USE_NETCDF4
+	 case NC_FORMAT_NETCDF4_CLASSIC:
+	    nc_set_default_format(NC_FORMAT_NETCDF4_CLASSIC, NULL);
+	    strcpy(testfile, "tst_coords_netcdf4_classic.nc");
+	    fprintf(stderr, "\nSwitching to netCDF-4 format (with NC_CLASSIC_MODEL).\n");
+	    break;
+	 case NC_FORMAT_NETCDF4: /* actually it's _CLASSIC. */
+	    nc_set_default_format(NC_FORMAT_NETCDF4, NULL);
+	    strcpy(testfile, "tst_coords_netcdf4.nc");
+	    fprintf(stderr, "\nSwitching to netCDF-4 format.\n");
+	    break;
+#endif
+	 default:
+	    fprintf(stderr, "Unexpected format!\n");
+	    return 2;
+      }
+
+      printf("*** creating coordinate axis...");
+      test_axis(testfile);
+      SUMMARIZE_ERR;
+      
+      printf("*** creating coordinate system...");
+      test_system(testfile);
+      SUMMARIZE_ERR;
+
+      printf("*** assigning a coordinate system...");
+      test_system_assign(testfile);
+      SUMMARIZE_ERR;
+
+      printf("*** creating coordinate transform...");
+      test_transform(testfile);
+      SUMMARIZE_ERR;
+
+      printf("*** assigning a coordinate transform...");
+      test_transform_assign(testfile);
+      SUMMARIZE_ERR;
+   }
+
+   FINAL_RESULTS;
+}
+
diff --git a/src/tst_cvars.c b/src/tst_cvars.c
new file mode 100644
index 0000000..65b6b38
--- /dev/null
+++ b/src/tst_cvars.c
@@ -0,0 +1,66 @@
+/* This is part of the libcf package. Copyright 2006 University
+   Corporation for Atmospheric Research/Unidata See COPYRIGHT file for
+   conditions of use. See www.unidata.ucar.edu for more info.
+
+   Test libcf coordinate variable stuff.
+
+   Ed Hartnett, 10/1/06
+
+   $Id: tst_cvars.c,v 1.7 2006/11/20 15:43:37 ed Exp $
+*/
+
+#include <config.h>
+#include <libcf.h>
+#include <netcdf.h>
+#include <nc_tests.h>
+
+#define FILE_NAME "tst_cvars.nc"
+
+int
+main(int argc, char **argv)
+{
+   printf("\n*** Testing libcf coordinate variable stuff.\n");
+
+#define NDIMS 1
+#define NLATS 20
+
+   printf("*** testing coordinate variable creation...");
+   {
+      int ncid, varid, dimid, varid_in, dimid_in;
+      int l, lat[NLATS];
+      size_t len_in;
+      nc_type xtype_in;
+
+      /* Create some latitudes. */
+      for (lat[0] = 40, l = 1; l < NLATS; l++)
+	 lat[l] = lat[l-1] + 2;
+
+      /* CReate a file and use nccd_def_file to annotate it. */
+      if (nc_create(FILE_NAME, 0, &ncid)) ERR;
+      if (nccf_def_latitude(ncid, NLATS, NC_INT, &dimid, 
+			    &varid)) ERR;
+
+      /* Check the file. */
+      if (nccf_inq_latitude(ncid, &len_in, &xtype_in, &dimid_in, 
+			    &varid_in)) ERR;
+      if (len_in != NLATS || xtype_in != NC_INT ||
+	  dimid_in != 0 || varid_in != 0) ERR;
+
+      if (nc_close(ncid)) ERR;
+
+      if (nc_open(FILE_NAME, 0, &ncid)) ERR;
+
+      /* Check the file. */
+      if (nccf_inq_latitude(ncid, &len_in, &xtype_in, &dimid_in, 
+			    &varid_in)) ERR;
+      if (len_in != NLATS || xtype_in != NC_INT || 
+	  dimid_in != 0 || varid_in != 0) ERR;
+
+      if (nc_close(ncid)) ERR;
+
+   }
+   SUMMARIZE_ERR;
+   FINAL_RESULTS;
+}
+
+
diff --git a/src/tst_example_data.c b/src/tst_example_data.c
new file mode 100644
index 0000000..705e2ea
--- /dev/null
+++ b/src/tst_example_data.c
@@ -0,0 +1,50 @@
+/* This is part of the libcf package. Copyright 2007 University
+   Corporation for Atmospheric Research/Unidata See COPYRIGHT file for
+   conditions of use. See www.unidata.ucar.edu for more info.
+
+   Test libcf variable subsetting stuff.
+
+   Ed Hartnett, 10/1/06
+
+   $Id: tst_example_data.c,v 1.2 2007/06/02 12:32:05 ed Exp $
+*/
+
+#include <config.h>
+#include <libcf.h>
+#include <netcdf.h>
+#include <nc_tests.h>
+
+int
+main(int argc, char **argv)
+{
+   printf("\n*** Testing libcf data examples.\n");
+
+#define EXAMPLE_FILE "/upc/share/ed/libcf_data/cami_0000-09-01_2x2.5_L26_c030918_USGS.nc"
+   printf("*** looking at %s...", EXAMPLE_FILE);
+   {
+      int ncid, did, vid;
+      char formula_terms[CF_MAX_FT_LEN + 1];
+      int positive_up;
+      char name[NC_MAX_NAME + 1];
+      size_t len, ft_len;
+      nc_type xtype;
+
+      /* Check the file. */
+      if (nc_open(EXAMPLE_FILE, 0, &ncid)) ERR;
+      if (nccf_inq_latitude(ncid, &len, &xtype, &did, &vid)) ERR;
+      if (len != 91 || xtype != NC_DOUBLE || did != 0 || vid != 1) ERR;
+      if (nccf_inq_longitude(ncid, &len, &xtype, &did, &vid)) ERR;
+      if (len != 144 || xtype != NC_DOUBLE || did != 1 || vid != 2) ERR;
+      if (nccf_inq_lvl(ncid, name, &len, &xtype, &ft_len, formula_terms, 
+		       &positive_up, &did, &vid)) ERR;
+      if (len != 26 || xtype != NC_DOUBLE || did != 4 || vid != 6 || positive_up != 0) ERR;
+      
+      
+      if (nc_close(ncid)) ERR;
+   }
+   SUMMARIZE_ERR;
+
+   FINAL_RESULTS;
+}
+
+
diff --git a/src/tst_f03_file.f90 b/src/tst_f03_file.f90
new file mode 100644
index 0000000..9d55ef9
--- /dev/null
+++ b/src/tst_f03_file.f90
@@ -0,0 +1,33 @@
+program tst_f03_file
+  use libcf
+  use netcdf
+  implicit none
+  integer:: ncid
+  character (len = *), parameter :: FILE_NAME = "tst_f03_file.nc"
+  character (len = *), parameter :: TITLE = 'Viscount of Lafayette'
+  character (len = *), parameter :: HISTORY = 'It all started one dark and stormy night...'
+  character (len = 100) :: title_in, history_in
+!  integer:: title_len, history_len
+  
+  print *,''
+  print *,'*** Testing f90 file API. All hail the ', TITLE, '!'
+  call check(nf90_create(FILE_NAME, NF90_NETCDF4, ncid))
+  call check(cf_def_file(ncid, '1.0', TITLE, HISTORY))
+  call check(nf90_close(ncid))
+
+  call check(nf90_open(FILE_NAME, NF90_NOWRITE, ncid))
+  call check(cf_inq_file(ncid, title_in, history_in))
+  if (.not. title_in == TITLE) stop 2
+  call check(nf90_close(ncid))
+  print *,'*** SUCCESS!!!'
+  
+contains
+  subroutine check(status)
+    integer, intent ( in) :: status
+    
+    if(status /= nf90_noerr) then
+       print *, trim(nf90_strerror(status))
+       stop 2
+    end if
+  end subroutine check
+end program tst_f03_file
diff --git a/src/tst_files.c b/src/tst_files.c
new file mode 100644
index 0000000..e19179f
--- /dev/null
+++ b/src/tst_files.c
@@ -0,0 +1,165 @@
+/* This is part of the netCDF package. Copyright 2005 University
+   Corporation for Atmospheric Research/Unidata See COPYRIGHT file for
+   conditions of use. See www.unidata.ucar.edu for more info.
+
+   Test libcf file stuff.
+
+   $Id: tst_files.c,v 1.5 2006/09/10 03:02:26 ed Exp $
+*/
+
+#include <config.h>
+#include <libcf.h>
+#include <netcdf.h>
+#include <nc_tests.h>
+
+#define FILE_NAME "tst_files.nc"
+
+int
+main(int argc, char **argv)
+{
+   printf("\n*** Testing libcf file stuff.\n");
+   printf("*** testing file convention...");
+   {
+      int ncid;
+      int cf_convention;
+
+      /* Create a file and indicate it follows CF conventions. */
+      if (nc_create(FILE_NAME, 0, &ncid)) ERR;
+
+      if (nccf_inq_convention(ncid, &cf_convention)) ERR;
+      if (cf_convention) ERR;
+
+      if (nccf_def_convention(ncid)) ERR;
+
+      /* Check it. */
+      if (nccf_inq_convention(ncid, &cf_convention)) ERR;
+      if (!cf_convention) ERR;
+
+      if (nc_close(ncid)) ERR;
+      if (nc_open(FILE_NAME, 0, &ncid)) ERR;
+
+      /* Check it. */
+      if (nccf_inq_convention(ncid, &cf_convention)) ERR;
+      if (!cf_convention) ERR;
+
+      if (nc_close(ncid)) ERR;
+
+   }
+   SUMMARIZE_ERR;
+
+#define C_STRING "Gaal_Dornick"
+   printf("*** testing file convention append...");
+   {
+      int ncid;
+      int cf_convention;
+
+      /* Create a file with an attribute called "Convention". */
+      if (nc_create(FILE_NAME, 0, &ncid)) ERR;
+      if (nc_put_att_text(ncid, NC_GLOBAL, CF_CONVENTIONS, strlen(C_STRING), 
+			  C_STRING)) ERR;
+      if (nccf_def_convention(ncid)) ERR;
+      if (nc_close(ncid)) ERR;
+
+      if (nc_open(FILE_NAME, 0, &ncid)) ERR;
+      if (nccf_inq_convention(ncid, &cf_convention)) ERR;
+      if (!cf_convention) ERR;
+      if (nc_close(ncid)) ERR;
+
+   }
+   SUMMARIZE_ERR;
+
+#define TITLE "The_Complete_Works_of_Edward_James_Hartnett"
+#define HISTORY "This file was generated by a grant from the Obscurity Foundation"
+
+   printf("*** testing file annotation...");
+   {
+      int ncid;
+      int cf_convention;
+      size_t tlen, hlen;
+      char *history_in, *title_in;
+
+      /* CReate a file and use nccd_def_file to annotate it. */
+      if (nc_create(FILE_NAME, 0, &ncid)) ERR;
+      if (nccf_def_file(ncid, TITLE, HISTORY)) ERR;
+
+      /* Check the file. */
+      if (nccf_inq_convention(ncid, &cf_convention)) ERR;
+      if (!cf_convention) ERR;
+      if (nccf_inq_file(ncid, &tlen, NULL, &hlen, NULL)) ERR;
+      if (tlen != strlen(TITLE) + 1 || hlen != strlen(HISTORY) + 20) ERR;
+      if (!(history_in = malloc(hlen))) ERR;
+      if (!(title_in = malloc(tlen))) ERR;
+      if (nccf_inq_file(ncid, NULL, title_in, NULL, history_in)) ERR;
+      if (strncmp(title_in, TITLE, tlen) || 
+	  strncmp(history_in + 18, HISTORY, strlen(HISTORY))) ERR;
+
+      if (nc_close(ncid)) ERR;
+
+      if (nc_open(FILE_NAME, 0, &ncid)) ERR;
+
+      /* Check the file. */
+      if (nccf_inq_convention(ncid, &cf_convention)) ERR;
+      if (!cf_convention) ERR;
+      if (nccf_inq_file(ncid, &tlen, NULL, &hlen, NULL)) ERR;
+      if (tlen != strlen(TITLE) + 1 || hlen != strlen(HISTORY) + 20) ERR;
+      if (!(history_in = malloc(hlen))) ERR;
+      if (!(title_in = malloc(tlen))) ERR;
+      if (nccf_inq_file(ncid, NULL, title_in, NULL, history_in)) ERR;
+      if (strncmp(title_in, TITLE, tlen) || 
+	  strncmp(history_in + 18, HISTORY, strlen(HISTORY))) ERR;
+
+      if (nc_close(ncid)) ERR;
+
+   }
+   SUMMARIZE_ERR;
+
+#define INSTITUTION "Unidata Asylum for Hopelessly Insane Programmers"
+#define SOURCE "These data were generated from the feverish imagination of a diseased mind."
+#define COMMENT "I think that lawn mowers smell like grass."
+#define REFERENCES "References will be fabricated upon request."
+#define MAX_LEN 200
+
+   printf("*** testing file notes...");
+   {
+      int ncid;
+      size_t ilen, slen, clen, rlen;
+      char inst_in[MAX_LEN], source_in[MAX_LEN];
+      char comment_in[MAX_LEN], ref_in[MAX_LEN];
+
+      /* CReate a file and use nccd_def_file to annotate it. */
+      if (nc_create(FILE_NAME, 0, &ncid)) ERR;
+      if (nccf_def_notes(ncid, NC_GLOBAL, INSTITUTION, SOURCE, 
+			 COMMENT, REFERENCES)) ERR;
+
+      /* Check the file. */
+      if (nccf_inq_notes(ncid, NC_GLOBAL, &ilen, inst_in, &slen, source_in,
+			 &clen, comment_in, &rlen, ref_in)) ERR;
+      if (ilen != strlen(INSTITUTION) + 1 || slen != strlen(SOURCE) + 1 ||
+	  clen != strlen(COMMENT) + 1 || rlen != strlen(REFERENCES) + 1) ERR;
+      if (strncmp(inst_in, INSTITUTION, ilen) || 
+	  strncmp(source_in, SOURCE, slen) || 
+	  strncmp(comment_in, COMMENT, clen) || 
+	  strncmp(ref_in, REFERENCES, rlen)) ERR;
+
+      if (nc_close(ncid)) ERR;
+
+      if (nc_open(FILE_NAME, 0, &ncid)) ERR;
+
+      /* Check the file. */
+      if (nccf_inq_notes(ncid, NC_GLOBAL, &ilen, inst_in, &slen, source_in,
+			 &clen, comment_in, &rlen, ref_in)) ERR;
+      if (ilen != strlen(INSTITUTION) + 1 || slen != strlen(SOURCE) + 1 ||
+	  clen != strlen(COMMENT) + 1 || rlen != strlen(REFERENCES) + 1) ERR;
+      if (strncmp(inst_in, INSTITUTION, ilen) || 
+	  strncmp(source_in, SOURCE, slen) || 
+	  strncmp(comment_in, COMMENT, clen) || 
+	  strncmp(ref_in, REFERENCES, rlen)) ERR;
+
+      if (nc_close(ncid)) ERR;
+
+   }
+   SUMMARIZE_ERR;
+
+   FINAL_RESULTS;
+}
+
diff --git a/src/tst_subsets.c b/src/tst_subsets.c
new file mode 100644
index 0000000..77268c1
--- /dev/null
+++ b/src/tst_subsets.c
@@ -0,0 +1,623 @@
+/* This is part of the libcf package. Copyright 2007 University
+   Corporation for Atmospheric Research/Unidata See COPYRIGHT file for
+   conditions of use. See www.unidata.ucar.edu for more info.
+
+   Test libcf variable subsetting stuff.
+
+   Ed Hartnett, 10/1/06
+
+   $Id: tst_subsets.c,v 1.15 2007/06/07 17:07:14 ed Exp $
+*/
+
+#include <config.h>
+#include <libcf.h>
+#include <netcdf.h>
+#include <nc_tests.h>
+
+#define NLONS_HEMI 180
+#define NLATS_HEMI 90
+#define NLONS_SIMPLE 1
+#define NLATS_SIMPLE 1
+#define NDIMS_2 2
+
+int
+main(int argc, char **argv)
+{
+   printf("\n*** Testing libcf geographic subsetting.\n");
+
+#define NLONS 2
+#define NLATS 3
+#define NLVLS 7
+#define NDIMS 4
+#define MAX_REC 3
+#define TIME_UNITS "seconds since 1992-10-8"
+#define TITLE "Libcf Automatic Testing Test File: tst_subset.nc."
+#define HISTORY "Created by tst_subsets.c, a libcf test program."
+#define FILE_NAME_SIMPLE_SIGMA "tst_subsets_simple_sigma.nc"
+
+   printf("*** testing index size stuff...");
+   {
+      int ncid;
+      int time_vid, lvl_vid, lat_vid, lon_vid;
+      int time_did, lvl_did, lat_did, lon_did;
+      int l, lat[NLATS], lon[NLONS], dimids[NDIMS];
+      int ps_vid, ptop_vid, data_vid, data_vid_in;
+      float lat_bounds[] = {40.0, 40.005}, lon_bounds[] = {80.0, 80.005};
+      float bad_lat_bounds[] = {10.0, 20.0}, bad_lon_bounds[] = {50.0, 60.005};
+      int nlat_in, nlon_in;
+      float data[NLVLS][NLATS][NLONS];
+      float data_in[NLVLS][NLATS][NLONS];
+      size_t start[NDIMS], count[NDIMS];
+      int i, j, k;
+
+      /* Create some latitudes. */
+      for (lat[0] = 40, l = 1; l < NLATS; l++)
+	 lat[l] = lat[l-1] + 2;
+      for (lon[0] = 80, l = 1; l < NLONS; l++)
+	 lon[l] = lon[l-1] + 2;
+
+      /* Create some phoney data. */
+      for (i = 0; i < NLVLS; i++)
+	 for (j = 0; j < NLATS; j++)
+	    for (k = 0; k < NLONS; k++)
+	       data[i][j][k] = i + j + k;
+
+      /* CReate a file and use nccd_def_file to annotate it. */
+      if (nc_create(FILE_NAME_SIMPLE_SIGMA, 0, &ncid)) ERR;
+      if (nccf_def_file(ncid, TITLE, HISTORY)) ERR;
+      if (nccf_def_latitude(ncid, NLATS, NC_INT, &lat_did, 
+			    &lat_vid)) ERR;
+      if (nccf_def_longitude(ncid, NLONS, NC_INT, &lon_did, 
+			     &lon_vid)) ERR;
+
+      /* Now define sigma level coordinage var and dim. */
+      if (nccf_def_lvl_sigma(ncid, "sigma", NC_FLOAT, NLVLS, 
+			     &lvl_did, &lvl_vid)) ERR;
+
+      /* Now define the time coordinate. */
+      if (nccf_def_time(ncid, "time", NC_UNLIMITED, NC_FLOAT, TIME_UNITS, 
+			"time", &time_did, &time_vid)) ERR;
+
+      /* Before we can set the sigma level formula terms, we
+       * need to define two variables, the surface pressure and PTOP
+       * (a scalar).*/
+      dimids[0] = lat_did;
+      dimids[1] = lon_did;
+      if (nc_def_var(ncid, "ps", NC_FLOAT, 2, dimids, &ps_vid)) ERR;
+      if (nc_def_var(ncid, "PTOP", NC_FLOAT, 0, NULL, &ptop_vid)) ERR;
+
+      /* Save the ps and ptop info in the formula terms attribute. */
+      if (nccf_def_ft_sigma(ncid, lvl_vid, ps_vid, ptop_vid)) ERR;
+
+      /* Now create a data variable. */
+      dimids[0] = time_did;
+      dimids[1] = lvl_did;
+      dimids[2] = lat_did;
+      dimids[3] = lon_did;
+      if (nc_def_var(ncid, "data", NC_FLOAT, NDIMS, dimids, &data_vid)) ERR;
+
+      /* End define mode. */
+      if (nc_enddef(ncid)) ERR;
+
+      /* Write lats and lons. */
+      if (nc_put_var_int(ncid, lat_vid, lat)) ERR;      
+      if (nc_put_var_int(ncid, lon_vid, lon)) ERR;      
+
+      /* Now write some data, one record at a time. */
+      start[1] = start[2] = start[3] = 0;
+      count[0] = 1;
+      count[1] = NLVLS;
+      count[2] = NLATS;
+      count[3] = NLONS;
+      for (start[0] = 0; start[0] < MAX_REC; start[0]++)
+	 if (nc_put_vara(ncid, data_vid, start, count, &data)) ERR;
+      
+      if (nc_close(ncid)) ERR;
+
+      /* Check the file. */
+      if (nc_open(FILE_NAME_SIMPLE_SIGMA, 0, &ncid)) ERR;
+      if (nc_inq_varid(ncid, "data", &data_vid_in)) ERR;
+      if (data_vid_in != data_vid) ERR;
+      if (nccf_get_vara(ncid, data_vid, NULL, &nlat_in, NULL, &nlon_in, 
+			0, 0, data_in)) ERR;
+      if (nlat_in != NLATS || nlon_in != NLONS) ERR;
+      if (nccf_get_vara(ncid, data_vid, bad_lat_bounds, &nlat_in, bad_lon_bounds, &nlon_in, 
+			0, 0, data_in)) ERR;
+      if (nlat_in != 0 || nlon_in != 0) ERR;
+      if (nccf_get_vara(ncid, data_vid, lat_bounds, &nlat_in, lon_bounds, &nlon_in, 
+			0, 0, data_in)) ERR;
+      if (nlat_in != 1 || nlon_in != 1) ERR;
+      
+      if (nc_close(ncid)) ERR;
+   }
+   SUMMARIZE_ERR;
+
+   printf("*** testing simple subsetting case, with 2D data around CONUS...");
+#define NLONS_W 180
+#define NLATS_N 90
+#define NLONS_SIMPLE 1
+#define NLATS_SIMPLE 1
+#define NDIMS_2 2
+#define DATA_VAR_NAME_SIMPLE "Simon"
+#define NLONS_CONUS 56 
+#define NLATS_CONUS 15 
+#define FILE_NAME_NW "tst_subsets_nw.nc"
+   {
+      int ncid, lat_vid, lon_vid, lat_did, lon_did, data_vid;
+      int lat[NLATS_N], lon[NLONS_W], dimids[NDIMS_2];
+      float simple_lat_range[] = {30.0, 30.5}, simple_lon_range[] = {-1.0, -0.5};
+      float simple_lat_range2[] = {50.0, 50.5}, simple_lon_range2[] = {-179.0, -178.5};
+      float bad_lat_range[] = {-40.0, -30.5}, bad_lon_range[] = {1.0, 2.5};
+      float conus_lat_range[] = {30.0, 44.5}, conus_lon_range[] = {-130.0, -74.5}; 
+      int conus_lat_index[] = {30, 44}, conus_lon_index[] = {75, 130}; 
+      int nlat_in, nlon_in;
+      float data[NLATS_N][NLONS_W];
+      float data_in[NLATS_SIMPLE][NLONS_SIMPLE];
+      float data_conus[NLATS_CONUS][NLONS_CONUS];
+      int l, j, k;
+
+      /* Create some latitudes for the Western Hem. */
+      for (lat[0] = 0, l = 1; l < NLATS_N; l++)
+	 lat[l] = lat[l-1] + 1;
+      for (lon[0] = 0, l = 1; l < NLONS_W; l++)
+	 lon[l] = lon[l-1] - 1;
+
+      /* Create some phoney data. */
+      for (j = 0; j < NLATS_N; j++)
+	 for (k = 0; k < NLONS_W; k++)
+	    data[j][k] = (j + k) * 2.5;
+
+      /* Create a file and use nccd_def_file to annotate it. */
+      if (nc_create(FILE_NAME_NW, 0, &ncid)) ERR;
+      if (nccf_def_file(ncid, TITLE, HISTORY)) ERR;
+      if (nccf_def_latitude(ncid, NLATS_N, NC_INT, &lat_did, 
+			    &lat_vid)) ERR;
+      if (nccf_def_longitude(ncid, NLONS_W, NC_INT, &lon_did, 
+			     &lon_vid)) ERR;
+
+      /* Now create a data variable. */
+      dimids[0] = lat_did;
+      dimids[1] = lon_did;
+      if (nc_def_var(ncid, DATA_VAR_NAME_SIMPLE, NC_FLOAT, NDIMS_2, dimids, 
+		     &data_vid)) ERR;
+
+      /* End define mode. */
+      if (nc_enddef(ncid)) ERR;
+
+      /* Write lats and lons. */
+      if (nc_put_var_int(ncid, lat_vid, lat)) ERR;      
+      if (nc_put_var_int(ncid, lon_vid, lon)) ERR;      
+
+      /* Now write some 2D data. */
+      if (nc_put_var_float(ncid, data_vid, &data[0][0])) ERR;
+      
+      if (nc_close(ncid)) ERR;
+
+      /* Check the file. */
+      if (nc_open(FILE_NAME_NW, 0, &ncid)) ERR;
+      if (nc_inq_varid(ncid, DATA_VAR_NAME_SIMPLE, &data_vid)) ERR;
+
+      /* All lons, one lat. */
+      if (nccf_get_vara(ncid, data_vid, simple_lat_range, &nlat_in, NULL, &nlon_in, 
+			0, 0, data_in)) ERR;
+      if (nlat_in != 1 || nlon_in != NLONS_W) ERR;
+
+      /* All lats, one lon. */
+      if (nccf_get_vara(ncid, data_vid, NULL, &nlat_in, simple_lon_range, &nlon_in, 
+			0, 0, data_in)) ERR;
+      if (nlat_in != NLATS_N || nlon_in != 1) ERR;
+
+      /* These should all yeild no subset. */
+      if (nccf_get_vara(ncid, data_vid, simple_lat_range, &nlat_in, bad_lon_range, &nlon_in, 
+			0, 0, data_in)) ERR;
+      if (nlat_in != 1 || nlon_in != 0) ERR;
+      if (nccf_get_vara(ncid, data_vid, bad_lat_range, &nlat_in, NULL, &nlon_in, 
+			0, 0, data_in)) ERR;
+      if (nlat_in != 0 || nlon_in != 180) ERR;
+      if (nccf_get_vara(ncid, data_vid, bad_lat_range, &nlat_in, bad_lon_range, &nlon_in, 
+			0, 0, data_in)) ERR;
+      if (nlat_in != 0 || nlon_in != 0) ERR;
+      if (nccf_get_vara(ncid, data_vid, bad_lat_range, &nlat_in, simple_lon_range, &nlon_in, 
+			0, 0, data_in)) ERR;
+      if (nlat_in != 0 || nlon_in != 1) ERR;
+
+      /* No ranges, so get the entire thing. */
+      if (nccf_get_vara(ncid, data_vid, NULL, &nlat_in, NULL, &nlon_in, 
+			0, 0, data_in)) ERR;
+      if (nlat_in != NLATS_N || nlon_in != NLONS_W) ERR;
+
+      /* Read a small subset (1 value). */
+      if (nccf_get_vara(ncid, data_vid, simple_lat_range, &nlat_in, simple_lon_range, 
+			&nlon_in, 0, 0, data_in)) ERR;
+      if (nlat_in != NLATS_SIMPLE || nlon_in != NLONS_SIMPLE) ERR;
+      if (data_in[0][0] != data[(int)simple_lat_range[0]][abs((int)simple_lon_range[0])])
+	 ERR;
+
+      /* Read a different small subset (1 value). */
+      if (nccf_get_vara(ncid, data_vid, simple_lat_range2, &nlat_in, simple_lon_range2, 
+			&nlon_in, 0, 0, data_in)) ERR;
+      if (nlat_in != NLATS_SIMPLE || nlon_in != NLONS_SIMPLE) ERR;
+      if (data_in[0][0] != data[(int)simple_lat_range2[0]][abs((int)simple_lon_range2[0])])
+	 ERR;
+
+      /* Read a big subset (approximate CONUS). */
+      if (nccf_get_vara(ncid, data_vid, conus_lat_range, &nlat_in, conus_lon_range, 
+			&nlon_in, 0, 0, data_conus)) ERR;
+      if (nlat_in != NLATS_CONUS || nlon_in != NLONS_CONUS) ERR;
+      for (j = 0; j < conus_lat_index[1] - conus_lat_index[0]; j++)
+	 for (k = 0; k < conus_lat_index[1] - conus_lat_index[0]; k++)
+	    if (data_conus[j][k] != 
+		data[j + conus_lat_index[0]][k + conus_lon_index[0]]) ERR;
+      
+      if (nc_close(ncid)) ERR;
+   }
+   SUMMARIZE_ERR;
+
+   printf("*** testing simple subsetting case, with 2D data around South America...");
+#define NLONS_W 180
+#define NLATS_S 90
+#define NLONS_SIMPLE 1
+#define NLATS_SIMPLE 1
+#define NDIMS_2 2
+#define NLONS_SA 50
+#define NLATS_SA 81 
+#define FILE_NAME_SW "tst_subsets_sw.nc"
+   {
+      int ncid, lat_vid, lon_vid, lat_did, lon_did, data_vid;
+      int lat[NLATS_S], lon[NLONS_W], dimids[NDIMS_2];
+      float simple_lat_range[] = {-30.0, -29.5}, simple_lon_range[] = {-1.0, -0.5};
+      float simple_lat_range2[] = {-50.0, -49.5}, simple_lon_range2[] = {-179.0, -178.5};
+      float bad_lat_range[] = {20.0, 30.5}, bad_lon_range[] = {1.0, 2.5};
+      float sa_lat_range[] = {-80.0, 0}, sa_lon_range[] = {-80.0, -30.5}; 
+      int sa_lat_index[] = {0, 81}, sa_lon_index[] = {31, 81}; 
+      int nlat_in, nlon_in;
+      float data[NLATS_S][NLONS_W];
+      float data_in[NLATS_SIMPLE][NLONS_SIMPLE];
+      float data_sa[NLATS_SA][NLONS_SA];
+      int l, j, k;
+
+      /* Create some latitudes for the South Western quarter of the
+       * Earth. */
+      for (lat[0] = 0, l = 1; l < NLATS_S; l++)
+	 lat[l] = lat[l-1] - 1;
+      for (lon[0] = 0, l = 1; l < NLONS_W; l++)
+	 lon[l] = lon[l-1] - 1;
+
+      /* Create some phoney data. */
+      for (j = 0; j < NLATS_S; j++)
+	 for (k = 0; k < NLONS_W; k++)
+	    data[j][k] = (j + k) * -10.5;
+
+      /* Create a file and use nccd_def_file to annotate it. */
+      if (nc_create(FILE_NAME_SW, 0, &ncid)) ERR;
+      if (nccf_def_file(ncid, TITLE, HISTORY)) ERR;
+      if (nccf_def_latitude(ncid, NLATS_S, NC_INT, &lat_did, 
+			    &lat_vid)) ERR;
+      if (nccf_def_longitude(ncid, NLONS_W, NC_INT, &lon_did, 
+			     &lon_vid)) ERR;
+
+      /* Now create a data variable. */
+      dimids[0] = lat_did;
+      dimids[1] = lon_did;
+      if (nc_def_var(ncid, DATA_VAR_NAME_SIMPLE, NC_FLOAT, NDIMS_2, dimids, 
+		     &data_vid)) ERR;
+
+      /* End define mode. */
+      if (nc_enddef(ncid)) ERR;
+
+      /* Write lats and lons. */
+      if (nc_put_var_int(ncid, lat_vid, lat)) ERR;      
+      if (nc_put_var_int(ncid, lon_vid, lon)) ERR;      
+
+      /* Now write some 2D data. */
+      if (nc_put_var_float(ncid, data_vid, &data[0][0])) ERR;
+      
+      if (nc_close(ncid)) ERR;
+
+      /* Check the file. */
+      if (nc_open(FILE_NAME_SW, 0, &ncid)) ERR;
+      if (nc_inq_varid(ncid, DATA_VAR_NAME_SIMPLE, &data_vid)) ERR;
+
+      /* All lons, one lat. */
+      if (nccf_get_vara(ncid, data_vid, simple_lat_range, &nlat_in, NULL, &nlon_in, 
+			0, 0, data_in)) ERR;
+      if (nlat_in != 1 || nlon_in != NLONS_W) ERR;
+
+      /* All lats, one lon. */
+      if (nccf_get_vara(ncid, data_vid, NULL, &nlat_in, simple_lon_range, &nlon_in, 
+			0, 0, data_in)) ERR;
+      if (nlat_in != NLATS_S || nlon_in != 1) ERR;
+
+      /* These should all yeild no subset. */
+      if (nccf_get_vara(ncid, data_vid, simple_lat_range, &nlat_in, bad_lon_range, &nlon_in, 
+			0, 0, data_in)) ERR;
+      if (nlat_in != 1 || nlon_in != 0) ERR;
+      if (nccf_get_vara(ncid, data_vid, bad_lat_range, &nlat_in, NULL, &nlon_in, 
+			0, 0, data_in)) ERR;
+      if (nlat_in != 0 || nlon_in != 180) ERR;
+      if (nccf_get_vara(ncid, data_vid, bad_lat_range, &nlat_in, bad_lon_range, &nlon_in, 
+			0, 0, data_in)) ERR;
+      if (nlat_in != 0 || nlon_in != 0) ERR;
+      if (nccf_get_vara(ncid, data_vid, bad_lat_range, &nlat_in, simple_lon_range, &nlon_in, 
+			0, 0, data_in)) ERR;
+      if (nlat_in != 0 || nlon_in != 1) ERR;
+
+      /* No ranges, so get the entire thing. */
+      if (nccf_get_vara(ncid, data_vid, NULL, &nlat_in, NULL, &nlon_in, 
+			0, 0, data_in)) ERR;
+      if (nlat_in != NLATS_S || nlon_in != NLONS_W) ERR;
+
+      /* Read a small subset (1 value). */
+      if (nccf_get_vara(ncid, data_vid, simple_lat_range, &nlat_in, simple_lon_range, 
+			&nlon_in, 0, 0, data_in)) ERR;
+      if (nlat_in != NLATS_SIMPLE || nlon_in != NLONS_SIMPLE) ERR;
+      if (data_in[0][0] != data[abs((int)simple_lat_range[0])][abs((int)simple_lon_range[0])])
+	 ERR;
+
+      /* Read a different small subset (1 value). */
+      if (nccf_get_vara(ncid, data_vid, simple_lat_range2, &nlat_in, simple_lon_range2, 
+			&nlon_in, 0, 0, data_in)) ERR;
+      if (nlat_in != NLATS_SIMPLE || nlon_in != NLONS_SIMPLE) ERR;
+      if (data_in[0][0] != data[abs((int)simple_lat_range2[0])][abs((int)simple_lon_range2[0])])
+	 ERR;
+
+      /* Read a big subset (approximate SA). */
+      if (nccf_get_vara(ncid, data_vid, sa_lat_range, &nlat_in, sa_lon_range, 
+			&nlon_in, 0, 0, data_sa)) ERR;
+      if (nlat_in != NLATS_SA || nlon_in != NLONS_SA) ERR;
+      for (j = 0; j < NLATS_SA; j++)
+	 for (k = 0; k < NLONS_SA; k++)
+	    if (data_sa[j][k] != 
+		data[j + sa_lat_index[0]][k + sa_lon_index[0]]) ERR;
+      
+      if (nc_close(ncid)) ERR;
+   }
+   SUMMARIZE_ERR;
+
+   printf("*** testing simple subsetting case, with 2D data around Australia...");
+#define NLONS_HEMI 180
+#define NLATS_HEMI 90
+#define NLONS_SIMPLE 1
+#define NLATS_SIMPLE 1
+#define NDIMS_2 2
+#define NLATS_AUS 36
+#define NLONS_AUS 46
+#define FILE_NAME_SE "tst_subsets_se.nc"
+   {
+      int ncid, lat_vid, lon_vid, lat_did, lon_did, data_vid;
+      int lat[NLATS_HEMI], lon[NLONS_HEMI], dimids[NDIMS_2];
+      float simple_lat_range[] = {-30.0, -29.5}, simple_lon_range[] = {1.0, 1.5};
+      float simple_lat_range2[] = {-50.0, -49.5}, simple_lon_range2[] = {178.0, 178.5};
+      float bad_lat_range[] = {20.0, 30.5}, bad_lon_range[] = {-10.0, -2.5};
+      float aus_lat_range[] = {-45.0, -10.0}, aus_lon_range[] = {110.0, 155.0};
+      int aus_lat_index[] = {10, 35}, aus_lon_index[] = {110, 45};
+      int nlat_in, nlon_in;
+      float data[NLATS_HEMI][NLONS_HEMI];
+      float data_in[NLATS_SIMPLE][NLONS_SIMPLE];
+      float data_aus[NLATS_AUS][NLONS_AUS];
+      int l, j, k;
+
+      /* Create some latitudes for the South Eastern quarter of the
+       * Earth. */
+      for (lat[0] = 0, l = 1; l < NLATS_HEMI; l++)
+	 lat[l] = lat[l-1] - 1;
+      for (lon[0] = 0, l = 1; l < NLONS_HEMI; l++)
+	 lon[l] = lon[l-1] + 1;
+
+      /* Create some phoney data. */
+      for (j = 0; j < NLATS_HEMI; j++)
+	 for (k = 0; k < NLONS_HEMI; k++)
+	    data[j][k] = (j + k) * -10.5;
+
+      /* Create a file and use nccd_def_file to annotate it. */
+      if (nc_create(FILE_NAME_SE, 0, &ncid)) ERR;
+      if (nccf_def_file(ncid, TITLE, HISTORY)) ERR;
+      if (nccf_def_latitude(ncid, NLATS_HEMI, NC_INT, &lat_did,
+			    &lat_vid)) ERR;
+      if (nccf_def_longitude(ncid, NLONS_HEMI, NC_INT, &lon_did,
+			     &lon_vid)) ERR;
+
+      /* Now create a data variable. */
+      dimids[0] = lat_did;
+      dimids[1] = lon_did;
+      if (nc_def_var(ncid, DATA_VAR_NAME_SIMPLE, NC_FLOAT, NDIMS_2, dimids,
+		     &data_vid)) ERR;
+
+      /* End define mode. */
+      if (nc_enddef(ncid)) ERR;
+
+      /* Write lats and lons. */
+      if (nc_put_var_int(ncid, lat_vid, lat)) ERR;
+      if (nc_put_var_int(ncid, lon_vid, lon)) ERR;
+
+      /* Now write some 2D data. */
+      if (nc_put_var_float(ncid, data_vid, &data[0][0])) ERR;
+      
+      if (nc_close(ncid)) ERR;
+
+      /* Check the file. */
+      if (nc_open(FILE_NAME_SE, 0, &ncid)) ERR;
+      if (nc_inq_varid(ncid, DATA_VAR_NAME_SIMPLE, &data_vid)) ERR;
+
+      /* All lons, one lat. */
+      if (nccf_get_vara(ncid, data_vid, simple_lat_range, &nlat_in, NULL, &nlon_in,
+			0, 0, data_in)) ERR;
+      if (nlat_in != 1 || nlon_in != NLONS_HEMI) ERR;
+
+      /* All lats, one lon. */
+      if (nccf_get_vara(ncid, data_vid, NULL, &nlat_in, simple_lon_range, &nlon_in,
+			0, 0, data_in)) ERR;
+      if (nlat_in != NLATS_HEMI || nlon_in != 1) ERR;
+
+      /* These should all yeild no subset. */
+      if (nccf_get_vara(ncid, data_vid, simple_lat_range, &nlat_in, bad_lon_range, &nlon_in,
+			0, 0, data_in)) ERR;
+      if (nlat_in != 1 || nlon_in != 0) ERR;
+      if (nccf_get_vara(ncid, data_vid, bad_lat_range, &nlat_in, NULL, &nlon_in,
+			0, 0, data_in)) ERR;
+      if (nlat_in != 0 || nlon_in != 180) ERR;
+      if (nccf_get_vara(ncid, data_vid, bad_lat_range, &nlat_in, bad_lon_range, &nlon_in,
+			0, 0, data_in)) ERR;
+      if (nlat_in != 0 || nlon_in != 0) ERR;
+      if (nccf_get_vara(ncid, data_vid, bad_lat_range, &nlat_in, simple_lon_range, &nlon_in,
+			0, 0, data_in)) ERR;
+      if (nlat_in != 0 || nlon_in != 1) ERR;
+
+      /* No ranges, so get the entire thing. */
+      if (nccf_get_vara(ncid, data_vid, NULL, &nlat_in, NULL, &nlon_in,
+			0, 0, data_in)) ERR;
+      if (nlat_in != NLATS_HEMI || nlon_in != NLONS_HEMI) ERR;
+
+      /* Read a small subset (1 value). */
+      if (nccf_get_vara(ncid, data_vid, simple_lat_range, &nlat_in, simple_lon_range,
+			&nlon_in, 0, 0, data_in)) ERR;
+      if (nlat_in != NLATS_SIMPLE || nlon_in != NLONS_SIMPLE) ERR;
+      if (data_in[0][0] != data[abs((int)simple_lat_range[0])][abs((int)simple_lon_range[0])])
+	 ERR;
+
+      /* Read a different small subset (1 value). */
+      if (nccf_get_vara(ncid, data_vid, simple_lat_range2, &nlat_in, simple_lon_range2,
+			&nlon_in, 0, 0, data_in)) ERR;
+      if (nlat_in != NLATS_SIMPLE || nlon_in != NLONS_SIMPLE) ERR;
+      if (data_in[0][0] != data[abs((int)simple_lat_range2[0])][abs((int)simple_lon_range2[0])])
+	 ERR;
+
+      /* Read a big subset (approximatly Australia). */
+      if (nccf_get_vara(ncid, data_vid, aus_lat_range, &nlat_in, aus_lon_range,
+			&nlon_in, 0, 0, data_aus)) ERR;
+      if (nlat_in != NLATS_AUS || nlon_in != NLONS_AUS) ERR;
+      for (j = 0; j < NLATS_AUS; j++)
+	 for (k = 0; k < NLONS_AUS; k++)
+	    if (data_aus[j][k] !=
+		data[j + aus_lat_index[0]][k + aus_lon_index[0]]) 
+	    {
+	       ERR;
+	       break;
+	    }
+      
+      if (nc_close(ncid)) ERR;
+   }
+   SUMMARIZE_ERR;
+   printf("*** testing simple subsetting case, with 2D data around Japan...");
+#define NLATS_JAPAN 16
+#define NLONS_JAPAN 21
+#define FILE_NAME_NE "tst_subsets_ne.nc"
+   {
+      int ncid, lat_vid, lon_vid, lat_did, lon_did, data_vid;
+      int lat[NLATS_HEMI], lon[NLONS_HEMI], dimids[NDIMS_2];
+      float simple_lat_range[] = {30.0, 30.5}, simple_lon_range[] = {1.0, 1.5};
+      float simple_lat_range2[] = {50.0, 50.5}, simple_lon_range2[] = {178.0, 178.5};
+      float bad_lat_range[] = {-20.0, -10.5}, bad_lon_range[] = {-10.0, -2.5};
+      float japan_lat_range[] = {30.0, 45.0}, japan_lon_range[] = {130.0, 150.0};
+      int japan_lat_index[] = {30, 45}, japan_lon_index[] = {130, 150};
+      int nlat_in, nlon_in;
+      float data[NLATS_HEMI][NLONS_HEMI];
+      float data_in[NLATS_SIMPLE][NLONS_SIMPLE];
+      float data_aus[NLATS_JAPAN][NLONS_JAPAN];
+      int l, j, k;
+
+      /* Create some latitudes for the South Eastern quarter of the
+       * Earth. */
+      for (lat[0] = 0, l = 1; l < NLATS_HEMI; l++)
+	 lat[l] = lat[l-1] + 1;
+      for (lon[0] = 0, l = 1; l < NLONS_HEMI; l++)
+	 lon[l] = lon[l-1] + 1;
+
+      /* Create some phoney data. */
+      for (j = 0; j < NLATS_HEMI; j++)
+	 for (k = 0; k < NLONS_HEMI; k++)
+	    data[j][k] = (j + k) * -10.5;
+
+      /* Create a file and use nccd_def_file to annotate it. */
+      if (nc_create(FILE_NAME_NE, 0, &ncid)) ERR;
+      if (nccf_def_file(ncid, TITLE, HISTORY)) ERR;
+      if (nccf_def_latitude(ncid, NLATS_HEMI, NC_INT, &lat_did,
+			    &lat_vid)) ERR;
+      if (nccf_def_longitude(ncid, NLONS_HEMI, NC_INT, &lon_did,
+			     &lon_vid)) ERR;
+
+      /* Now create a data variable. */
+      dimids[0] = lat_did;
+      dimids[1] = lon_did;
+      if (nc_def_var(ncid, DATA_VAR_NAME_SIMPLE, NC_FLOAT, NDIMS_2, dimids,
+		     &data_vid)) ERR;
+
+      /* End define mode. */
+      if (nc_enddef(ncid)) ERR;
+
+      /* Write lats and lons. */
+      if (nc_put_var_int(ncid, lat_vid, lat)) ERR;
+      if (nc_put_var_int(ncid, lon_vid, lon)) ERR;
+
+      /* Now write some 2D data. */
+      if (nc_put_var_float(ncid, data_vid, &data[0][0])) ERR;
+      
+      if (nc_close(ncid)) ERR;
+
+      /* Check the file. */
+      if (nc_open(FILE_NAME_NE, 0, &ncid)) ERR;
+      if (nc_inq_varid(ncid, DATA_VAR_NAME_SIMPLE, &data_vid)) ERR;
+
+      /* All lons, one lat. */
+      if (nccf_get_vara(ncid, data_vid, simple_lat_range, &nlat_in, NULL, &nlon_in,
+			0, 0, data_in)) ERR;
+      if (nlat_in != 1 || nlon_in != NLONS_HEMI) ERR;
+
+      /* All lats, one lon. */
+      if (nccf_get_vara(ncid, data_vid, NULL, &nlat_in, simple_lon_range, &nlon_in,
+			0, 0, data_in)) ERR;
+      if (nlat_in != NLATS_HEMI || nlon_in != 1) ERR;
+
+      /* These should all yeild no subset. */
+      if (nccf_get_vara(ncid, data_vid, simple_lat_range, &nlat_in, bad_lon_range, &nlon_in,
+			0, 0, data_in)) ERR;
+      if (nlat_in != 1 || nlon_in != 0) ERR;
+      if (nccf_get_vara(ncid, data_vid, bad_lat_range, &nlat_in, NULL, &nlon_in,
+			0, 0, data_in)) ERR;
+      if (nlat_in != 0 || nlon_in != 180) ERR;
+      if (nccf_get_vara(ncid, data_vid, bad_lat_range, &nlat_in, bad_lon_range, &nlon_in,
+			0, 0, data_in)) ERR;
+      if (nlat_in != 0 || nlon_in != 0) ERR;
+      if (nccf_get_vara(ncid, data_vid, bad_lat_range, &nlat_in, simple_lon_range, &nlon_in,
+			0, 0, data_in)) ERR;
+      if (nlat_in != 0 || nlon_in != 1) ERR;
+
+      /* No ranges, so get the entire thing. */
+      if (nccf_get_vara(ncid, data_vid, NULL, &nlat_in, NULL, &nlon_in,
+			0, 0, data_in)) ERR;
+      if (nlat_in != NLATS_HEMI || nlon_in != NLONS_HEMI) ERR;
+
+      /* Read a small subset (1 value). */
+      if (nccf_get_vara(ncid, data_vid, simple_lat_range, &nlat_in, simple_lon_range,
+			&nlon_in, 0, 0, data_in)) ERR;
+      if (nlat_in != NLATS_SIMPLE || nlon_in != NLONS_SIMPLE) ERR;
+      if (data_in[0][0] != data[abs((int)simple_lat_range[0])][abs((int)simple_lon_range[0])])
+	 ERR;
+
+      /* Read a different small subset (1 value). */
+      if (nccf_get_vara(ncid, data_vid, simple_lat_range2, &nlat_in, simple_lon_range2,
+			&nlon_in, 0, 0, data_in)) ERR;
+      if (nlat_in != NLATS_SIMPLE || nlon_in != NLONS_SIMPLE) ERR;
+      if (data_in[0][0] != data[abs((int)simple_lat_range2[0])][abs((int)simple_lon_range2[0])])
+	 ERR;
+
+      /* Read a big subset (approximatly Australia). */
+      if (nccf_get_vara(ncid, data_vid, japan_lat_range, &nlat_in, japan_lon_range,
+			&nlon_in, 0, 0, data_aus)) ERR;
+      if (nlat_in != NLATS_JAPAN || nlon_in != NLONS_JAPAN) ERR;
+      for (j = 0; j < NLATS_JAPAN; j++)
+	 for (k = 0; k < NLONS_JAPAN; k++)
+	    if (data_aus[j][k] !=
+		data[j + japan_lat_index[0]][k + japan_lon_index[0]]) 
+	    {
+	       ERR;
+	       break;
+	    }
+      
+      if (nc_close(ncid)) ERR;
+   }
+   SUMMARIZE_ERR;
+   FINAL_RESULTS;
+}
+
+
diff --git a/src/tst_vars.c b/src/tst_vars.c
new file mode 100644
index 0000000..a59fe5d
--- /dev/null
+++ b/src/tst_vars.c
@@ -0,0 +1,120 @@
+/* This is part of the netCDF package. Copyright 2005 University
+   Corporation for Atmospheric Research/Unidata See COPYRIGHT file for
+   conditions of use. See www.unidata.ucar.edu for more info.
+
+   Test libcf variable stuff.
+
+   $Id: tst_vars.c,v 1.3 2006/09/10 17:19:33 ed Exp $
+*/
+
+#include <config.h>
+#include <libcf.h>
+#include <netcdf.h>
+#include <nc_tests.h>
+
+#define FILE_NAME "tst_vars.nc"
+
+int
+main(int argc, char **argv)
+{
+   printf("\n*** Testing libcf variable stuff.\n");
+
+#define INSTITUTION "Unidata Programmaing Drone Sector 7G"
+#define SOURCE "We buy our data at DataMart."
+#define COMMENT "Happy trails to you!"
+#define REFERENCES "Why bother?"
+#define MAX_LEN 100
+#define NDIMS 1
+#define VAR_NAME "Programmer_Productivity"
+#define DIM_NAME "Lines_of_code_per_cube_per_second"
+
+   printf("*** testing variable notes...");
+   {
+      int ncid, varid, dimids[NDIMS];
+      size_t ilen, slen, clen, rlen;
+      char inst_in[MAX_LEN], source_in[MAX_LEN];
+      char comment_in[MAX_LEN], ref_in[MAX_LEN];
+
+      /* CReate a file and use nccd_def_file to annotate it. */
+      if (nc_create(FILE_NAME, 0, &ncid)) ERR;
+      if (nc_def_dim(ncid, DIM_NAME, NC_UNLIMITED, dimids)) ERR;
+      if (nc_def_var(ncid, VAR_NAME, NC_INT, NDIMS, dimids, &varid)) ERR;
+      if (nccf_def_notes(ncid, varid, INSTITUTION, SOURCE, 
+			 COMMENT, REFERENCES)) ERR;
+
+      /* Check the file. */
+      if (nccf_inq_notes(ncid, varid, &ilen, inst_in, &slen, source_in,
+			 &clen, comment_in, &rlen, ref_in)) ERR;
+      if (ilen != strlen(INSTITUTION) + 1 || slen != strlen(SOURCE) + 1 ||
+	  clen != strlen(COMMENT) + 1 || rlen != strlen(REFERENCES) + 1) ERR;
+      if (strncmp(inst_in, INSTITUTION, ilen) || 
+	  strncmp(source_in, SOURCE, slen) || 
+	  strncmp(comment_in, COMMENT, clen) || 
+	  strncmp(ref_in, REFERENCES, rlen)) ERR;
+
+      if (nc_close(ncid)) ERR;
+
+      if (nc_open(FILE_NAME, 0, &ncid)) ERR;
+
+      /* Check the file. */
+      if (nccf_inq_notes(ncid, varid, &ilen, inst_in, &slen, source_in,
+			 &clen, comment_in, &rlen, ref_in)) ERR;
+      if (ilen != strlen(INSTITUTION) + 1 || slen != strlen(SOURCE) + 1 ||
+	  clen != strlen(COMMENT) + 1 || rlen != strlen(REFERENCES) + 1) ERR;
+      if (strncmp(inst_in, INSTITUTION, ilen) || 
+	  strncmp(source_in, SOURCE, slen) || 
+	  strncmp(comment_in, COMMENT, clen) || 
+	  strncmp(ref_in, REFERENCES, rlen)) ERR;
+
+      if (nc_close(ncid)) ERR;
+
+   }
+   SUMMARIZE_ERR;
+
+#define VALID_MIN -10.0
+#define VALID_MAX 10.0
+#define FILL_VALUE 99.9
+#define VAR2_NAME "manager_salary"
+
+   printf("*** testing missing values...");
+   {
+      int ncid, varid, varid2, dimids[NDIMS];
+      int valid_min = VALID_MIN, valid_max = VALID_MAX;
+      int fill_value = FILL_VALUE;
+      int fill_value_in, valid_min_in, valid_max_in;
+
+      /* CReate a file and use nccd_def_file to annotate it. */
+      if (nc_create(FILE_NAME, 0, &ncid)) ERR;
+      if (nc_def_dim(ncid, DIM_NAME, NC_UNLIMITED, dimids)) ERR;
+      if (nc_def_var(ncid, VAR_NAME, NC_INT, NDIMS, dimids, &varid)) ERR;
+      if (nc_def_var(ncid, VAR2_NAME, NC_INT, NDIMS, dimids, &varid2)) ERR;
+      if (nccf_def_var_missing(ncid, varid, &fill_value, &valid_min,
+			       &valid_max)) ERR;
+
+      /* Check the file. */
+      if (nccf_inq_var_missing(ncid, varid, &fill_value_in, 
+			       &valid_min_in, &valid_max_in)) ERR;
+      if (fill_value_in != fill_value || valid_min_in != valid_min ||
+	  valid_max_in != valid_max) ERR;
+      if (nccf_inq_var_missing(ncid, varid2, &fill_value_in, 
+			       &valid_min_in, &valid_max_in)) ERR;
+      if (fill_value_in != NC_FILL_INT || valid_min_in != CF_INT_MIN ||
+	  valid_max_in != CF_INT_MAX) ERR;
+
+      if (nc_close(ncid)) ERR;
+
+      if (nc_open(FILE_NAME, 0, &ncid)) ERR;
+
+      /* Check the file. */
+      if (nccf_inq_var_missing(ncid, varid, &fill_value_in, 
+			       &valid_min_in, &valid_max_in)) ERR;
+      if (fill_value_in != fill_value || valid_min_in != valid_min ||
+	  valid_max_in != valid_max) ERR;
+
+      if (nc_close(ncid)) ERR;
+
+   }
+   SUMMARIZE_ERR;
+   FINAL_RESULTS;
+}
+
diff --git a/src/tst_vert.c b/src/tst_vert.c
new file mode 100644
index 0000000..1fcb16a
--- /dev/null
+++ b/src/tst_vert.c
@@ -0,0 +1,283 @@
+/* This is part of the libcf package. Copyright 2006 University
+   Corporation for Atmospheric Research/Unidata See COPYRIGHT file for
+   conditions of use. See www.unidata.ucar.edu for more info.
+
+   Test libcf vertical coordinate variable stuff.
+
+   Ed Hartnett, 11/18/06
+
+   $Id: tst_vert.c,v 1.2 2006/11/22 11:24:32 ed Exp $
+*/
+
+#include <config.h>
+#include <libcf.h>
+#include <netcdf.h>
+#include <nc_tests.h>
+
+#define NLAT 3
+#define NLON 2
+#define NLVL 5
+#define NTIME 2
+#define NDIM 4   
+#define TIME_UNITS "seconds since 1992-10-8"
+#define TITLE "This test file is part of libcf automatic testing."
+#define HISTORY "Created by tst_vert.c, a libcf test program."
+
+int
+main(int argc, char **argv)
+{
+   char file_name[NC_MAX_NAME + 1];
+
+   printf("\n*** Testing libcf vertical coordinate variables.\n");
+   strcpy(file_name, "tst_vert_sigma.nc");
+   printf("*** creating file %s...", file_name);
+   {
+      int ncid, ps_vid, ptop_vid;
+      int dimids[NDIM];
+      int lat_vid, lon_vid, lvl_vid, time_vid;
+      int lat_did, lon_did, lvl_did, time_did;
+      int lvl_type_in;
+      size_t len_in;
+      nc_type xtype_in;
+      int dimid_in, varid_in, ps_varid_in, ptop_varid_in;
+      char name_in[NC_MAX_NAME + 1];
+      char title_in[NC_MAX_NAME + 1], history_in[NC_MAX_NAME + 1];
+      size_t title_len, history_len;
+
+      /* Create a file and define four coordinate varibles, lat, lon,
+       * sigma level, and time. */
+      if (nc_create(file_name, 0, &ncid)) ERR;
+      if (nccf_def_file(ncid, TITLE, HISTORY)) ERR;
+      if (nccf_def_latitude(ncid, NLAT, NC_FLOAT, &lat_did, &lat_vid)) ERR;
+      if (nccf_def_longitude(ncid, NLON, NC_FLOAT, &lon_did, &lon_vid)) ERR;
+
+      /* Now define sigma level coordinage var and dim. */
+      if (nccf_def_lvl_vert(ncid, CF_VERT_SIGMA, "sigma", NC_FLOAT, NLVL, 
+			    &lvl_did, &lvl_vid)) ERR;
+
+      /* Now define the time coordinate. */
+      if (nccf_def_time(ncid, "time", NC_UNLIMITED, NC_FLOAT, TIME_UNITS, 
+			"time", &time_did, &time_vid)) ERR;
+
+      /* Before we can set the sigma level formula terms, we
+       * need to define two variables, the surface pressure and PTOP
+       * (a scalar).*/
+      dimids[0] = lat_did;
+      dimids[1] = lon_did;
+      if (nc_def_var(ncid, "ps", NC_FLOAT, 2, dimids, &ps_vid)) ERR;
+      if (nc_def_var(ncid, "PTOP", NC_FLOAT, 0, NULL, &ptop_vid)) ERR;
+
+      /* Save the ps and ptop info in the formula terms attribute. */
+      if (nccf_def_ft_sigma(ncid, lvl_vid, ps_vid, ptop_vid)) ERR;
+
+      /* Check the file. */
+      if (nccf_inq_file(ncid, &title_len, title_in, &history_len, 
+			history_in)) ERR;
+      if (title_len != strlen(TITLE) + 1 || 
+	  strncmp(title_in, TITLE, strlen(TITLE))) ERR;
+      if (nccf_inq_lvl_vert(ncid, name_in, &xtype_in, &len_in,
+			    &lvl_type_in, &dimid_in, &varid_in)) ERR;
+      if (!strcmp(name_in, "sigma") || xtype_in != NC_FLOAT ||
+	  len_in != NLVL || lvl_type_in != CF_VERT_SIGMA ||
+	  dimid_in != lvl_did || varid_in != lvl_vid) ERR;
+      if (nccf_inq_latitude(ncid, &len_in, &xtype_in, &dimid_in, 
+			    &varid_in)) ERR;
+      if (len_in != NLAT || xtype_in != NC_FLOAT ||
+	  dimid_in != lat_did || varid_in != lat_vid) ERR;
+      if (nccf_inq_longitude(ncid, &len_in, &xtype_in, &dimid_in, 
+			     &varid_in)) ERR;
+      if (len_in != NLON || xtype_in != NC_FLOAT ||
+	  dimid_in != lon_did || varid_in != lon_vid) ERR;
+      if (nccf_inq_lvl_sigma(ncid, name_in, &xtype_in, &len_in, &ps_varid_in, 
+			     &ptop_varid_in, &dimid_in, &varid_in)) ERR;
+      if (len_in != NLVL || xtype_in != NC_FLOAT || dimid_in != lvl_did || 
+	  varid_in != lvl_vid || ps_varid_in != ps_vid || 
+	  ptop_varid_in != ptop_vid) ERR;
+      if (nccf_inq_time(ncid, name_in, &len_in, &xtype_in, 
+			&dimid_in, &varid_in)) ERR;
+      if (len_in != NC_UNLIMITED || xtype_in != NC_FLOAT || dimid_in != time_did || 
+	  varid_in != time_vid) ERR;
+
+      if (nc_close(ncid)) ERR;
+
+      if (nc_open(file_name, 0, &ncid)) ERR;
+
+      /* Check the file. */
+      if (nccf_inq_latitude(ncid, &len_in, &xtype_in, &dimid_in, 
+			    &varid_in)) ERR;
+      if (len_in != NLAT || xtype_in != NC_FLOAT ||
+	  dimid_in != lat_did || varid_in != lat_vid) ERR;
+      if (nccf_inq_longitude(ncid, &len_in, &xtype_in, &dimid_in, 
+			     &varid_in)) ERR;
+      if (len_in != NLON || xtype_in != NC_FLOAT ||
+	  dimid_in != lon_did || varid_in != lon_vid) ERR;
+      if (nccf_inq_lvl_sigma(ncid, name_in, &xtype_in, &len_in, &ps_varid_in, 
+			     &ptop_varid_in, &dimid_in, &varid_in)) ERR;
+      if (len_in != NLVL || xtype_in != NC_FLOAT || dimid_in != lvl_did || 
+	  varid_in != lvl_vid || ps_varid_in != ps_vid || 
+	  ptop_varid_in != ptop_vid) ERR;
+      if (nccf_inq_time(ncid, name_in, &len_in, &xtype_in, 
+			&dimid_in, &varid_in)) ERR;
+      if (len_in != NC_UNLIMITED || xtype_in != NC_FLOAT || dimid_in != time_did || 
+	  varid_in != time_vid) ERR;
+
+      if (nc_close(ncid)) ERR;
+   }
+   SUMMARIZE_ERR;
+/*    strcpy(file_name, "tst_vert_hybrid_sigma.nc"); */
+/*    printf("*** creating file %s...", file_name); */
+/*    { */
+/*       int ncid, ps_vid, p0_vid, a_vid, b_vid; */
+/*       int dimids[NDIM]; */
+/*       int lat_vid, lon_vid, lvl_vid, time_vid; */
+/*       int lat_did, lon_did, lvl_did, time_did; */
+/*       size_t len_in; */
+/*       nc_type xtype_in; */
+/*       int dimid_in, varid_in, ps_varid_in, p0_varid_in; */
+/*       int a_varid_in, b_varid_in; */
+/*       char name_in[NC_MAX_NAME + 1]; */
+
+/*       /\* Create a file and define four coordinate varibles, lat, lon, */
+/*        * hybrid_sigma level, and time. *\/ */
+/*       if (nc_create(file_name, 0, &ncid)) ERR; */
+
+/*       if (nccf_def_latitude(ncid, NLAT, NC_FLOAT, &lat_did, &lat_vid)) ERR; */
+/*       if (nccf_def_longitude(ncid, NLON, NC_FLOAT, &lon_did, &lon_vid)) ERR; */
+
+/*       /\* Now define hybrid_sigma level coordinage var and dim. *\/ */
+/*       if (nccf_def_lvl_hybrid_sigma(ncid, "hybrid_sigma", NC_FLOAT, NLVL,  */
+/* 				    &lvl_did, &lvl_vid)) ERR; */
+
+/*       /\* Now define the time coordinate. *\/ */
+/*       if (nccf_def_time(ncid, "time", NC_UNLIMITED, NC_FLOAT, TIME_UNITS,  */
+/* 			"time", &time_did, &time_vid)) ERR; */
+
+/*       /\* Before we can set up the formula_terms attribute, we need to */
+/*        * define some additional variables specific to this type of */
+/*        * vertical dimension. *\/ */
+/*       dimids[0] = lat_did; */
+/*       if (nc_def_var(ncid, "a", NC_FLOAT, 1, dimids, &a_vid)) ERR; */
+/*       if (nc_def_var(ncid, "b", NC_FLOAT, 1, dimids, &b_vid)) ERR; */
+/*       dimids[0] = lat_did; */
+/*       dimids[1] = lon_did; */
+/*       if (nc_def_var(ncid, "ps", NC_FLOAT, 2, dimids, &ps_vid)) ERR; */
+/*       if (nc_def_var(ncid, "P0", NC_FLOAT, 0, NULL, &p0_vid)) ERR; */
+
+/*       if (nccf_def_ft_hybrid_sigma(ncid, lvl_vid, a_vid, b_vid, ps_vid,  */
+/* 				   p0_vid)) ERR; */
+
+/*       /\* Check the file. *\/ */
+/*       if (nccf_inq_latitude(ncid, &len_in, &xtype_in, &dimid_in, */
+/* 			    &varid_in)) ERR; */
+/*       if (len_in != NLAT || xtype_in != NC_FLOAT || */
+/* 	  dimid_in != lat_did || varid_in != lat_vid) ERR; */
+/*       if (nccf_inq_longitude(ncid, &len_in, &xtype_in, &dimid_in, */
+/* 			     &varid_in)) ERR; */
+/*       if (len_in != NLON || xtype_in != NC_FLOAT || */
+/* 	  dimid_in != lon_did || varid_in != lon_vid) ERR; */
+/*       if (nccf_inq_lvl_hybrid_sigma(ncid, name_in, &xtype_in, &len_in, &a_varid_in, &b_varid_in, &ps_varid_in, */
+/* 				    &p0_varid_in, &dimid_in, &varid_in)) ERR; */
+/*       if (len_in != NLVL || xtype_in != NC_FLOAT || dimid_in != lvl_did || */
+/* 	  varid_in != lvl_vid || ps_varid_in != ps_vid || p0_varid_in != p0_vid || */
+/* 	  a_varid_in != a_vid || b_varid_in != b_vid) ERR; */
+/*       if (nccf_inq_time(ncid, name_in, &len_in, &xtype_in, */
+/* 			&dimid_in, &varid_in)) ERR; */
+/*       if (len_in != NC_UNLIMITED || xtype_in != NC_FLOAT || dimid_in != time_did || */
+/* 	  varid_in != time_vid) ERR; */
+
+/*       /\* Close and re-open. *\/ */
+/*       if (nc_close(ncid)) ERR; */
+/*       if (nc_open(file_name, 0, &ncid)) ERR; */
+
+/*       /\* Check the file. *\/ */
+/*       if (nccf_inq_latitude(ncid, &len_in, &xtype_in, &dimid_in, */
+/* 			    &varid_in)) ERR; */
+/*       if (len_in != NLAT || xtype_in != NC_FLOAT || */
+/* 	  dimid_in != lat_did || varid_in != lat_vid) ERR; */
+/*       if (nccf_inq_longitude(ncid, &len_in, &xtype_in, &dimid_in, */
+/* 			     &varid_in)) ERR; */
+/*       if (len_in != NLON || xtype_in != NC_FLOAT || */
+/* 	  dimid_in != lon_did || varid_in != lon_vid) ERR; */
+/*       if (nccf_inq_lvl_hybrid_sigma(ncid, name_in, &xtype_in, &len_in, &a_varid_in, &b_varid_in, &ps_varid_in, */
+/* 				    &p0_varid_in, &dimid_in, &varid_in)) ERR; */
+/*       if (len_in != NLVL || xtype_in != NC_FLOAT || dimid_in != lvl_did || */
+/* 	  varid_in != lvl_vid || ps_varid_in != ps_vid || p0_varid_in != p0_vid || */
+/* 	  a_varid_in != a_vid || b_varid_in != b_vid) ERR; */
+/*       if (nccf_inq_time(ncid, name_in, &len_in, &xtype_in, */
+/* 			&dimid_in, &varid_in)) ERR; */
+/*       if (len_in != NC_UNLIMITED || xtype_in != NC_FLOAT || dimid_in != time_did || */
+/* 	  varid_in != time_vid) ERR; */
+
+/*       if (nc_close(ncid)) ERR; */
+
+/*    } */
+/*    SUMMARIZE_ERR; */
+/*    printf("testing quick creation of hybrid_sigma coordinate system..."); */
+/*    { */
+/*       int ncid, ps_vid, p0_vid, a_vid, b_vid; */
+/*       int dimids[NDIM]; */
+/*       int lat_vid, lon_vid, lvl_vid, time_vid; */
+/*       int lat_did, lon_did, lvl_did, time_did; */
+/*       size_t len_in; */
+/*       nc_type xtype_in; */
+/*       int dimid_in, varid_in, ps_varid_in, p0_varid_in; */
+/*       int a_varid_in, b_varid_in; */
+/*       char name_in[NC_MAX_NAME + 1]; */
+/*       char file_name[] = {"tst_cvars_hybrid_sigma.nc"}; */
+
+/*       /\* Create a file and define four coordinate varibles, lat, lon, */
+/*        * hybrid_sigma level, and time. *\/ */
+/*       if (nc_create(file_name, 0, &ncid)) ERR; */
+
+/*       /\* It'd be nice to do this instead... *\/ */
+/*       if (nccf_def_hybrid_sigma(names, lens, types, term_names, term_types, */
+/* 				term_varids, dimids, varids)) ERR; */
+
+/*       /\* Check the file. *\/ */
+/*       if (nccf_inq_latitude(ncid, &len_in, &xtype_in, &dimid_in, */
+/* 			    &varid_in)) ERR; */
+/*       if (len_in != NLAT || xtype_in != NC_FLOAT || */
+/* 	  dimid_in != 0 || varid_in != 0) ERR; */
+/*       if (nccf_inq_longitude(ncid, &len_in, &xtype_in, &dimid_in, */
+/* 			     &varid_in)) ERR; */
+/*       if (len_in != NLON || xtype_in != NC_FLOAT || */
+/* 	  dimid_in != 1 || varid_in != 1) ERR; */
+/*       if (nccf_inq_lvl_hybrid_sigma(ncid, name_in, &xtype_in, &len_in, &ps_varid_in, */
+/* 			     &p0_varid_in, &dimid_in, &varid_in)) ERR; */
+/*       if (len_in != NLVL || xtype_in != NC_FLOAT || dimid_in != 2 || */
+/* 	  varid_in != 4 || ps_varid_in != 2 || p0_varid_in != 3) ERR; */
+/*       if (nccf_inq_time(ncid, name_in, &len_in, &xtype_in, */
+/* 			&dimid_in, &varid_in)) ERR; */
+/*       if (len_in != NC_UNLIMITED || xtype_in != NC_FLOAT || dimid_in != 3 || */
+/* 	  varid_in != 5) ERR; */
+
+/*       /\* Close and re-open. *\/ */
+/*       if (nc_close(ncid)) ERR; */
+/*       if (nc_open(file_name, 0, &ncid)) ERR; */
+
+/*       /\* Check the file. *\/ */
+/*       if (nccf_inq_latitude(ncid, &len_in, &xtype_in, &dimid_in, */
+/* 			    &varid_in)) ERR; */
+/*       if (len_in != NLAT || xtype_in != NC_FLOAT || */
+/* 	  dimid_in != 0 || varid_in != 0) ERR; */
+/*       if (nccf_inq_longitude(ncid, &len_in, &xtype_in, &dimid_in, */
+/* 			     &varid_in)) ERR; */
+/*       if (len_in != NLON || xtype_in != NC_FLOAT || */
+/* 	  dimid_in != 1 || varid_in != 1) ERR; */
+/*       if (nccf_inq_lvl_hybrid_sigma(ncid, name_in, &xtype_in, &len_in, &ps_varid_in, */
+/* 			     &p0_varid_in, &dimid_in, &varid_in)) ERR; */
+/*       if (len_in != NLVL || xtype_in != NC_FLOAT || dimid_in != 2 || */
+/* 	  varid_in != 4 || ps_varid_in != 2 || p0_varid_in != 3) ERR; */
+/*       if (nccf_inq_time(ncid, name_in, &len_in, &xtype_in, */
+/* 			&dimid_in, &varid_in)) ERR; */
+/*       if (len_in != NC_UNLIMITED || xtype_in != NC_FLOAT || dimid_in != 3 || */
+/* 	  varid_in != 5) ERR; */
+
+/*       if (nc_close(ncid)) ERR; */
+
+/*    } */
+/*    SUMMARIZE_ERR; */
+   FINAL_RESULTS;
+}
+
+

-- 
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