---- php-5.1.6/acinclude.m4.orig 2006-11-21 10:43:13.179505000 +0100
-+++ php-5.1.6/acinclude.m4 2006-11-21 10:55:32.479505000 +0100
+--- php-5.4.18/acinclude.m4.orig 2013-08-19 12:29:32.000000000 +0200
++++ php-5.4.18/acinclude.m4 2013-08-19 12:32:44.403972349 +0200