From faa2b7243bd7062614eeda9c8de9d93d847576a9 Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@haypocalc.com>
Date: Thu, 26 May 2011 14:10:08 +0200
Subject: _posixsubprocess.c: don't redefine _GNU_SOURCE if it's already
 defined

---
 Modules/_posixsubprocess.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'Modules/_posixsubprocess.c')

diff --git a/Modules/_posixsubprocess.c b/Modules/_posixsubprocess.c
index bf10cbb43e..af0d9713c7 100644
--- a/Modules/_posixsubprocess.c
+++ b/Modules/_posixsubprocess.c
@@ -1,7 +1,7 @@
 /* Authors: Gregory P. Smith & Jeffrey Yasskin */
 #include "Python.h"
-#ifdef HAVE_PIPE2
-#define _GNU_SOURCE
+#if defined(HAVE_PIPE2) && !defined(_GNU_SOURCE)
+# define _GNU_SOURCE
 #endif
 #include <unistd.h>
 #include <fcntl.h>
-- 
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