From 8f14aed31ba760cd2f13b41f8585ca1fbe9f5239 Mon Sep 17 00:00:00 2001
From: Dmitry Stogov <dmitry@php.net>
Date: Fri, 20 Mar 2009 11:23:00 +0000
Subject: [PATCH] Fixed warning

---
 Zend/zend_alloc.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Zend/zend_alloc.c b/Zend/zend_alloc.c
index c9ecc74111..97c10018c1 100644
--- a/Zend/zend_alloc.c
+++ b/Zend/zend_alloc.c
@@ -109,8 +109,12 @@ static void zend_mm_panic(const char *message)
 
 #if defined(HAVE_MEM_MMAP_ANON) || defined(HAVE_MEM_MMAP_ZERO)
 # ifdef HAVE_MREMAP
+#  ifndef _GNU_SOURCE
 #   define _GNU_SOURCE
+#  endif
+#  ifndef __USE_GNU
 #   define __USE_GNU
+#  endif
 # endif
 # include <sys/mman.h>
 # ifndef MAP_ANON
-- 
2.50.1