Bug#921699: libtommath FTCBFS: builds for the wrong architecture

[Helmut Grohne]

Source: libtommath
Version: 1.1.0-2
Tags: patch
User: helmutg at debian.org
Usertags: rebootstrap

libtommath fails to cross build from source, because it builds for the
wrong architecture (by not passing a cross compiler to make) and because
it fails running tests in the presence of DEB_BUILD_OPTIONS=nocheck. The
attached patch fixes both and makes libtommath cross buildable. Please
consider applying it (possibly after buster).

Helmut
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diff --minimal -Nru libtommath-1.1.0/debian/changelog libtommath-1.1.0/debian/changelog
--- libtommath-1.1.0/debian/changelog	2019-02-05 10:53:16.000000000 +0100
+++ libtommath-1.1.0/debian/changelog	2019-02-08 06:33:49.000000000 +0100
@@ -1,3 +1,12 @@
+libtommath (1.1.0-2.1) UNRELEASED; urgency=medium
+
+  * Non-maintainer upload.
+  * Fix FTCBFS: (Closes: #-1)
+    + Let dh_auto_build pass cross tools to make.
+    + Honour DEB_BUILD_OPTIONS=nocheck.
+
+ -- Helmut Grohne <helmut at subdivi.de>  Fri, 08 Feb 2019 06:33:49 +0100
+
 libtommath (1.1.0-2) unstable; urgency=medium
 
   * Build a libtool to drop the libtool-bin dependency.
diff --minimal -Nru libtommath-1.1.0/debian/rules libtommath-1.1.0/debian/rules
--- libtommath-1.1.0/debian/rules	2019-02-05 10:53:16.000000000 +0100
+++ libtommath-1.1.0/debian/rules	2019-02-08 06:33:49.000000000 +0100
@@ -28,15 +28,17 @@
 	dh_auto_configure --sourcedirectory=debian/libtool
 
 	echo "Building libtommath"
-	$(MAKE) -f makefile.shared LIBTOOL=$(CURDIR)/debian/libtool/libtool
+	dh_auto_build --buildsystem=makefile -- -f makefile.shared LIBTOOL=$(CURDIR)/debian/libtool/libtool
 	echo "Building docs"
 	$(MAKE) manual docs
 
 override_dh_auto_test:
+ifeq (,$(filter nocheck,$(DEB_BUILD_OPTIONS)))
 	echo "compiling test programs"
 	$(MAKE) -f makefile.shared LIBTOOL=$(CURDIR)/debian/libtool/libtool test_standalone
 	echo "running test"
 	./test
+endif
 
 override_dh_auto_install:
 	$(MAKE) -f makefile.shared LIBTOOL=$(CURDIR)/debian/libtool/libtool install