Don't redefine _GNU_SOURCE if it's already defined.

2011-12-22 09:45:53 +02:00 · 2011-12-22 09:45:53 +02:00 · 667d75d059
parent 031bf95d32
commit 667d75d059
1 changed files with 2 additions and 2 deletions
--- 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>