From 389a2d7e9f375e9d6998078e38a2ab841f18def5 Mon Sep 17 00:00:00 2001
From: ThomasVolkert <thomas@homer-conferencing.com>
Date: Tue, 18 Dec 2012 15:32:33 +0100
Subject: Added guards around definitions of _GNU_SOURCE to avoid redefinitions

---
 libnet/include/win32/libnet.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libnet/include/win32/libnet.h b/libnet/include/win32/libnet.h
index bd28f21..9a6f8b2 100644
--- a/libnet/include/win32/libnet.h
+++ b/libnet/include/win32/libnet.h
@@ -84,7 +84,9 @@ extern "C" {
 
 /* To use Win32 native versions */
 #define WPCAP 1
+#ifndef _GNU_SOURCE
 #define _GNU_SOURCE
+#endif
 #include <stdio.h>
 #include <string.h>
 #include <fcntl.h>
-- 
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