From 09eaa1f6f19f9a85a3cb74a18ac898162db451df Mon Sep 17 00:00:00 2001
From: Jeremy Huddleston <jeremyhu@apple.com>
Date: Sat, 30 Oct 2010 14:55:06 -0700
Subject: [PATCH] configure.ac: Add -fno-strict-aliasing to CFLAGS

This should force the server to have -fno-strict-aliasing even once it
is removed from the warning flags.

See: https://bugs.freedesktop.org/show_bug.cgi?id=31238

Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>
Reviewed-by: Gaetan Nadon <memsize@videotron.ca>
---
 configure.ac | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/configure.ac b/configure.ac
index 4bfa82c24..63d59f92d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -87,6 +87,12 @@ XORG_PROG_RAWCPP
 # easier overrides at build time.
 XSERVER_CFLAGS='$(CWARNFLAGS)'
 
+dnl Explicitly add -fno-strict-aliasing since this option should disappear
+dnl from util-macros CWARNFLAGS
+if  test "x$GCC" = xyes ; then
+    XSERVER_CFLAGS="$XSERVER_CFLAGS -fno-strict-aliasing"
+fi
+
 dnl Check for dtrace program (needed to build Xserver dtrace probes)
 dnl Also checks for <sys/sdt.h>, since some Linux distros have an 
 dnl ISDN trace program named dtrace