!9 Support -fno-common in vala-mix2 test

From: @panxh_purple
Reviewed-by: @overweight,@overweight
Signed-off-by: @overweight,@overweight

automake.spec

@@ -4,7 +4,7 @@
 
 Name:           automake
 Version:        1.16.2
-Release:        2
+Release:        3
 Summary:        A tool for automatically generating Makefile.in files
 License:        GPLv2+ and GFDL and Public Domain and MIT
 URL:            http://www.gnu.org/software/automake/
@@ -13,6 +13,7 @@ Source1:        http://git.savannah.gnu.org/cgit/config.git/plain/config.sub
 Source2:        http://git.savannah.gnu.org/cgit/config.git/plain/config.guess
 
 Patch1:         tests-require-etags-for-tags-lisp-space-test.patch
+Patch2:         tests-support-fno-common-in-vala-mix2-test.patch
 
 BuildArch:      noarch
 
@@ -75,6 +76,9 @@ fi
 %{_mandir}/man1/*
 
 %changelog
+* Fri Jul 30 2021 panxiaohe <panxiaohe@huawei.com> - 1.16.2-3
+- Support -fno-common in vala-mix2 test
+
 * Thu May 27 2021 yangzhuangzhuang <yangzhuangzhuang1@huawei.com> - 1.16.2-2
 - Fix test failed
 

tests-support-fno-common-in-vala-mix2-test.patch

@@ -0,0 +1,38 @@
+From 74b9f0bbad27ae1b6ecfca7fb072cbad85a98a6b Mon Sep 17 00:00:00 2001
+From: Karl Berry <karl@freefriends.org>
+Date: Sat, 6 Jun 2020 15:47:33 -0700
+Subject: [PATCH] tests: support -fno-common in vala-mix2 test.
+
+This change fixes https://bugs.gnu.org/41726.
+
+* t/vala-mix2.sh: extern in .h, initialization in .c.
+GCC 10 defaults to -fno-common.
+---
+ t/vala-mix2.sh | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/t/vala-mix2.sh b/t/vala-mix2.sh
+index 8e6a214..933a3ff 100644
+--- a/t/vala-mix2.sh
++++ b/t/vala-mix2.sh
+@@ -44,7 +44,7 @@ int main ()
+ END
+ 
+ cat > foo.h <<'END'
+-int foo;
++extern int foo;
+ int bar (void);
+ int baz (void);
+ END
+@@ -56,7 +56,7 @@ END
+ 
+ cat > baz.c <<'END'
+ #include "foo.h"
+-extern int foo = 0;
++int foo = 0;
+ int baz (void) { return 0; }
+ END
+ 
+-- 
+1.8.3.1
+