Bug#609152: rxtx fixing, more archs TODO

[Scott Howard]

Thanks alot, that's an elegant solution - better than upstreams! I
have to tweak it a little, and will send it upstream once it's done.

Notes for myself:

--- rxtx-2.2pre2/configure.in	2011-02-22 10:28:52.000000000 +0900
+++ rxtx-2.2pre2/configure.in	2011-02-22 10:22:18.000000000 +0900
@@ -70,6 +70,7 @@
 AC_CHECK_HEADERS(sys/file.h)
 AC_CHECK_HEADERS(sys/time.h)
 AC_CHECK_HEADERS(sys/signal.h)
+AC_CHECK_HEADERS(sys/io.h)
 AC_CHECK_HEADERS(signal.h)
 AC_CHECK_HEADERS(termios.h)
 AC_CHECK_HEADERS(grp.h)
--- rxtx-2.2pre2/Makefile.lcc	2002-04-06 03:21:56.000000000 +0900
+++ rxtx-2.2pre2/Makefile.lcc	2011-02-22 10:26:09.000000000 +0900
@@ -13,6 +13,7 @@
 #define HAVE_SIGNAL_H
 #undef HAVE_SYS_FCNTL_H
 #undef HAVE_SYS_FILE_H
+#define HAVE_SYS_IO_H
 #undef HAVE_SYS_SIGNAL_H
 #undef HAVE_TERMIOS_H
 #undef HAVE_SYS_TIME_H
--- rxtx-2.2pre2/Makefile.mingw32	2008-11-28 06:13:20.000000000 +0900
+++ rxtx-2.2pre2/Makefile.mingw32	2011-02-22 10:26:43.000000000 +0900
@@ -191,6 +191,7 @@
 	echo "#define HAVE_SIGNAL_H 1" >> config.h
 	echo "#define HAVE_SYS_FCNTL_H 1" >> config.h
 	echo "#define HAVE_SYS_FILE_H 1" >> config.h
+	echo "#define HAVE_SYS_IO_H" >> config.h
 	echo "#undef HAVE_SYS_SIGNAL_H" >> config.h
 	echo "#undef HAVE_TERMIOS_H" >> config.h

--- rxtx-2.2pre2/Makefile.msvc	2008-11-28 06:13:20.000000000 +0900
+++ rxtx-2.2pre2/Makefile.msvc	2011-02-22 10:27:04.000000000 +0900
@@ -113,6 +113,7 @@
 	echo #define HAVE_SIGNAL_H >> config.h
 	echo #undef HAVE_SYS_FCNTL_H >> config.h
 	echo #undef HAVE_SYS_FILE_H >> config.h
+	echo #define HAVE_SYS_IO_H >> config.h
 	echo #undef HAVE_SYS_SIGNAL_H >> config.h
 	echo #undef HAVE_TERMIOS_H >> config.h
 	echo #undef HAVE_SYS_TIME_H >> config.h


and then both places that reference sys/io.h:
#ifdef HAVE_SYS_IO_H
#include <sys/io.h>
#endif /* HAVE_SYS_IO_H */