Add tests for cwrapper with -std=c89 and -std=c99

* tests/cwrapper.at: New file.
* Makefile.am: Add tests/cwrapper.at.

ChangeLog

@@ -1,3 +1,9 @@
+2009-01-23  Charles Wilson  <libtool@cwilson.fastmail.fm>
+
+	Add tests for cwrapper with -std=c89 and -std=c99
+	* tests/cwrapper.at: New file.
+	* Makefile.am: Add tests/cwrapper.at.
+
 2009-01-22  Peter Rosin  <peda@lysator.liu.se>
 
 	Unify line endings in localization test.

Makefile.am

@@ -467,6 +467,7 @@ TESTSUITE_AT	= tests/testsuite.at \
 		  tests/indirect_deps.at \
 		  tests/archive-in-archive.at \
 		  tests/execute-mode.at \
+		  tests/cwrapper.at \
 		  tests/infer-tag.at \
 		  tests/localization.at \
 		  tests/install.at \

tests/cwrapper.at

@@ -0,0 +1,82 @@
+# cwrapper.at -- test cwrapper compliance with standards -*- Autotest -*-
+
+#   Copyright (C) 2009 Free Software Foundation, Inc.
+#   Written by Charles Wilson, 2009
+#
+#   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.
+#
+# 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.
+####
+
+AT_SETUP([cwrapper for uninstalled executables])
+AT_KEYWORDS([libtool])
+
+# make sure existing libtool is configured for shared libraries
+AT_CHECK([$LIBTOOL --features | grep 'disable shared libraries' && exit 77],
+	 [1], [ignore])
+
+AT_DATA([trivial.c],
+[[
+int main (void)
+{
+  return 0;
+}
+]])
+AT_DATA([liba.c],
+[[int liba_func1 (int arg)
+{
+  return arg + 1;
+}
+]])
+AT_DATA([usea.c],
+[[extern int liba_func1 (int arg);
+int main (void)
+{
+  int a = 2;
+  int b = liba_func1 (a);
+  if (b == 3) return 0;
+  return 1;
+}
+]])
+
+orig_CFLAGS=$CFLAGS
+orig_LIBTOOL=$LIBTOOL
+for restrictive_flags in '-std=c89 -Werror' '-std=c99 -Werror'; do
+  CFLAGS="$orig_CFLAGS $restrictive_flags"
+  sed "s/LTCFLAGS=.*/&' $restrictive_flags'/" < "$orig_LIBTOOL" > ./libtool
+  LIBTOOL=./libtool
+
+  # make sure $restrictive_flags do not cause a failure
+  # themselves (e.g. because a non-gcc compiler doesn't
+  # understand them)
+  $LIBTOOL --mode=compile $CC $CPPFLAGS $CFLAGS -c trivial.c || continue
+
+  AT_CHECK([$LIBTOOL --mode=compile $CC $CPPFLAGS $CFLAGS -c liba.c],
+           [], [ignore], [ignore])
+  AT_CHECK([$LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS -version-info=0.0.0 -no-undefined -o liba.la -rpath /foo liba.lo],
+           [], [ignore], [ignore])
+  AT_CHECK([test -f liba.la])
+
+  AT_CHECK([$CC $CPPFLAGS $CFLAGS -c usea.c],
+           [], [ignore], [ignore])
+  AT_CHECK([$LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS -o usea$EXEEXT usea.$OBJEXT liba.la],
+           [], [ignore], [ignore])
+  LT_AT_EXEC_CHECK([./usea], [0], [ignore], [ignore], [])
+done
+
+AT_CLEANUP
+