diff -ur php-5.2.13.orig/configure.in php-5.2.13/configure.in
--- php-5.2.13.orig/configure.in	2010-02-24 12:23:46.000000000 +0000
+++ php-5.2.13/configure.in	2010-03-06 11:05:46.215767110 +0000
@@ -58,6 +58,8 @@
 AC_DEFUN([PHP_EXT_SRCDIR],[$abs_srcdir/ext/$1])dnl
 AC_DEFUN([PHP_ALWAYS_SHARED],[])dnl
 
+AC_DEFINE([_GNU_SOURCE], 1, [Define to enable GNU C Library extensions])
+
 dnl Setting up the PHP version based on the information above.
 dnl -------------------------------------------------------------------------
 
diff -ur php-5.2.13.orig/ext/interbase/interbase.c php-5.2.13/ext/interbase/interbase.c
--- php-5.2.13.orig/ext/interbase/interbase.c	2010-01-03 09:23:27.000000000 +0000
+++ php-5.2.13/ext/interbase/interbase.c	2010-03-06 11:05:46.216766888 +0000
@@ -24,7 +24,6 @@
 #include "config.h"
 #endif
 
-#define _GNU_SOURCE
 
 #include "php.h"
 
diff -ur php-5.2.13.orig/ext/pdo_firebird/firebird_driver.c php-5.2.13/ext/pdo_firebird/firebird_driver.c
--- php-5.2.13.orig/ext/pdo_firebird/firebird_driver.c	2010-01-03 09:23:27.000000000 +0000
+++ php-5.2.13/ext/pdo_firebird/firebird_driver.c	2010-03-06 11:05:46.217766704 +0000
@@ -22,7 +22,6 @@
 #include "config.h"
 #endif
 
-#define _GNU_SOURCE
 
 #include "php.h"
 #ifdef ZEND_ENGINE_2
diff -ur php-5.2.13.orig/ext/standard/file.c php-5.2.13/ext/standard/file.c
--- php-5.2.13.orig/ext/standard/file.c	2010-02-11 12:32:21.000000000 +0000
+++ php-5.2.13/ext/standard/file.c	2010-03-06 11:05:46.218766723 +0000
@@ -108,7 +108,6 @@
 
 #ifdef HAVE_FNMATCH
 #ifndef _GNU_SOURCE
-#define _GNU_SOURCE
 #endif
 #include <fnmatch.h>
 #endif
diff -ur php-5.2.13.orig/ext/zlib/zlib_fopen_wrapper.c php-5.2.13/ext/zlib/zlib_fopen_wrapper.c
--- php-5.2.13.orig/ext/zlib/zlib_fopen_wrapper.c	2010-01-03 09:23:27.000000000 +0000
+++ php-5.2.13/ext/zlib/zlib_fopen_wrapper.c	2010-03-06 11:05:46.219766587 +0000
@@ -19,8 +19,6 @@
 
 /* $Id: zlib_fopen_wrapper.c 293036 2010-01-03 09:23:27Z sebastian $ */
 
-#define _GNU_SOURCE
-
 #include "php.h"
 #include "php_zlib.h"
 #include "fopen_wrappers.h"
Only in php-5.2.13/ext/zlib: zlib_fopen_wrapper.c.orig
diff -ur php-5.2.13.orig/main/php.h php-5.2.13/main/php.h
--- php-5.2.13.orig/main/php.h	2010-01-03 09:23:27.000000000 +0000
+++ php-5.2.13/main/php.h	2010-03-06 11:05:46.220766898 +0000
@@ -30,6 +30,7 @@
 #define PHP_HAVE_STREAMS
 #define YYDEBUG 0
 
+#include "php_config.h"
 #include "php_version.h"
 #include "zend.h"
 #include "zend_qsort.h"
diff -ur php-5.2.13.orig/main/streams/cast.c php-5.2.13/main/streams/cast.c
--- php-5.2.13.orig/main/streams/cast.c	2010-01-19 13:44:08.000000000 +0000
+++ php-5.2.13/main/streams/cast.c	2010-03-06 11:05:46.222766339 +0000
@@ -18,7 +18,6 @@
 
 /* $Id: cast.c 293732 2010-01-19 13:44:08Z jani $ */
 
-#define _GNU_SOURCE
 #include "php.h"
 #include "php_globals.h"
 #include "php_network.h"
Only in php-5.2.13/main/streams: cast.c.orig
diff -ur php-5.2.13.orig/main/streams/memory.c php-5.2.13/main/streams/memory.c
--- php-5.2.13.orig/main/streams/memory.c	2010-01-03 09:23:27.000000000 +0000
+++ php-5.2.13/main/streams/memory.c	2010-03-06 11:05:46.224766290 +0000
@@ -18,7 +18,6 @@
 
 /* $Id: memory.c 293036 2010-01-03 09:23:27Z sebastian $ */
 
-#define _GNU_SOURCE
 #include "php.h"
 
 PHPAPI int php_url_decode(char *str, int len);
Only in php-5.2.13/main/streams: memory.c.orig
diff -ur php-5.2.13.orig/main/streams/streams.c php-5.2.13/main/streams/streams.c
--- php-5.2.13.orig/main/streams/streams.c	2010-01-06 12:54:53.000000000 +0000
+++ php-5.2.13/main/streams/streams.c	2010-03-06 11:05:46.226766057 +0000
@@ -21,7 +21,6 @@
 
 /* $Id: streams.c 293175 2010-01-06 12:54:53Z iliaa $ */
 
-#define _GNU_SOURCE
 #include "php.h"
 #include "php_globals.h"
 #include "php_network.h"
Only in php-5.2.13/main/streams: streams.c.orig
diff -ur php-5.2.13.orig/Zend/zend_language_parser.c php-5.2.13/Zend/zend_language_parser.c
--- php-5.2.13.orig/Zend/zend_language_parser.c	2010-02-24 12:27:31.000000000 +0000
+++ php-5.2.13/Zend/zend_language_parser.c	2010-03-06 11:05:46.229766071 +0000
@@ -356,6 +356,8 @@
 #include "zend_API.h"
 #include "zend_constants.h"
 
+#include <string.h>
+
 
 #define YYERROR_VERBOSE
 #define YYSTYPE znode