From 652f8f3a86c51396a69aa6e172273771c1af3c84 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Thu, 20 Aug 2009 18:38:38 +0000
Subject: [PATCH] do not redefine _GNU_SOURCE if configure already set it up
 for us

SVN revision: 41895
---
 src/feature.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/feature.h b/src/feature.h
index 2fd2b15..59a5666 100644
--- a/src/feature.h
+++ b/src/feature.h
@@ -54,7 +54,9 @@
 # endif
 
 # ifdef __GNUC__
-#  define _GNU_SOURCE
+#  ifndef _GNU_SOURCE
+#   define _GNU_SOURCE
+#  endif
 # else
 #  define _XOPEN_SOURCE 600
 #  define _XOPEN_SOURCE_EXTENDED 1