From 143b3bb8a919ccdb2b76832fe64fde8ef4744cf2 Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Fri, 6 Dec 2013 12:01:46 +0100
Subject: Undefine _FORTIFY_SOURCE before defining (fix for gcc 4.7).

---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 01c69b4..e115d4f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -14,7 +14,7 @@ AC_ARG_WITH(debug,
 if test x$with_debug == xyes; then
     AC_MSG_WARN([*** Building with debug support!])
     AC_DEFINE_UNQUOTED(WITH_DEBUG, , [The project is configured to use debug output])
-    CXXFLAGS="$CXXFLAGS -D_FORTIFY_SOURCE=2 -fstack-protector -Wall -Werror -g -O0"
+    CXXFLAGS="$CXXFLAGS -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fstack-protector -Wall -Werror -g -O0"
 fi
 
 dnl ======================
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