X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;f=configure.ac;fp=configure.ac;h=e59793980a0fa8b0c29791529407a0f9f72d04b3;hb=f4f6a4d699c857e97a6fca07df3b942de7649f67;hp=edea64c831b188092a932b5057c98353a89b4973;hpb=6ce7a436e33e65a4ddabdbc4d4487cb040f31e87;p=ovirt-viewer.git

diff --git a/configure.ac b/configure.ac
index edea64c..e597939 100644
--- a/configure.ac
+++ b/configure.ac
@@ -46,6 +46,15 @@ AC_ARG_ENABLE([cainfo],
 	[CAINFO=$sysconfdir/pki/tls/certs/ca-bundle.crt])
 AC_SUBST([CAINFO])
 
+dnl If the C compiler is really GCC, enable warnings and
+dnl GCC-specific flags.  Bug in glib GStaticMutex prevents
+dnl us from using strict aliasing safely.
+dnl NB: We have to do this after all the function tests
+dnl because '-Werror' tends to break them.
+if test "$GCC" = "yes"; then
+  CFLAGS="$CFLAGS -Wall -Werror -fno-strict-aliasing"
+fi
+
 dnl Output.
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_FILES([Makefile])