From d7c7b31bbaf110446ea835b66845ab6f0ee09231 Mon Sep 17 00:00:00 2001
From: Jelmer Vernooij <jelmer@samba.org>
Date: Wed, 25 Feb 2009 16:54:35 +0100
Subject: [PATCH] Only define _GNU_SOURCE if it's not defined yet.

---
 pidl/lib/Parse/Pidl/Samba4/NDR/Client.pm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pidl/lib/Parse/Pidl/Samba4/NDR/Client.pm b/pidl/lib/Parse/Pidl/Samba4/NDR/Client.pm
index f8209be654b..f2a96a30377 100644
--- a/pidl/lib/Parse/Pidl/Samba4/NDR/Client.pm
+++ b/pidl/lib/Parse/Pidl/Samba4/NDR/Client.pm
@@ -131,7 +131,9 @@ sub Parse($$$$)
 	if (is_intree()) {
 		$res .= "#include \"includes.h\"\n";
 	} else {
+		$res .= "#ifndef _GNU_SOURCE\n";
 		$res .= "#define _GNU_SOURCE\n";
+		$res .= "#endif\n";
 		$res .= "#include <stdio.h>\n";
 		$res .= "#include <stdbool.h>\n";
 		$res .= "#include <stdlib.h>\n";