--- configure.in	2008-06-16 02:35:50.000000000 +0400
+++ configure.in.new	2008-06-16 02:36:10.000000000 +0400
@@ -28,6 +28,9 @@
 
 AC_CANONICAL_HOST
 
+dnl Define _GNU_SOURCE, this should be done before any feature test.
+AC_DEFINE([_GNU_SOURCE], [], [Enabling GNU libc extensions])
+
 AC_PROG_MAKE_SET
 AC_PROG_RANLIB
 AC_PROG_INSTALL
--- lib/bind/configure.in.old	2008-06-16 03:29:26.000000000 +0400
+++ lib/bind/configure.in	2008-06-16 03:29:52.000000000 +0400
@@ -22,6 +22,9 @@
 
 AC_CANONICAL_HOST
 
+dnl Define _GNU_SOURCE, this should be done before any feature test.
+AC_DEFINE([_GNU_SOURCE], [], [Enabling GNU libc extensions])
+
 AC_PROG_MAKE_SET
 AC_PROG_RANLIB
 AC_PROG_INSTALL
--- lib/isc/httpd.c.old	2008-06-16 04:08:44.000000000 +0400
+++ lib/isc/httpd.c	2008-06-16 04:10:56.000000000 +0400
@@ -18,6 +18,8 @@
 
 /*! \file */
 
+#include <config.h>
+
 #include <isc/buffer.h>
 #include <isc/httpd.h>
 #include <isc/mem.h>