diff -Nru php-5.2.0.orig/configure php-5.2.0/configure
--- php-5.2.0.orig/configure	2006-11-03 19:26:01.000000000 +0100
+++ php-5.2.0/configure	2006-11-03 19:41:16.000000000 +0100
@@ -32679,7 +32679,7 @@
 
   
   
-    for header_file in $ext_srcdir/php_filter.h; do
+    for header_file in ext/filter/php_filter.h; do
       
   
   unique=`echo $header_file|$SED 's/[^a-zA-Z0-9]/_/g'`