From 60e54e65d42260aaefed08ed5a0c33de73c59ce1 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Sun, 30 Dec 2007 05:01:35 +0000
Subject: [PATCH] Merged -fvisibility detection fix from SDL 1.2 revision 3500

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%402689
---
 configure.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.in b/configure.in
index b788915a4..84a76dae5 100644
--- a/configure.in
+++ b/configure.in
@@ -878,7 +878,7 @@ CheckVisibilityHidden()
 
     visibility_CFLAGS="-fvisibility=hidden"
     save_CFLAGS="$CFLAGS"
-    CFLAGS="$save_CFLAGS $visibility_CFLAGS"
+    CFLAGS="$save_CFLAGS $visibility_CFLAGS -Werror"
     AC_TRY_COMPILE([
     #if !defined(__GNUC__) || __GNUC__ < 4
     #error SDL only uses visibility attributes in GCC 4 or newer