--- configure.ac.orig	2008-10-29 15:23:52.000000000 -0500
+++ configure.ac	2013-01-16 14:34:59.000000000 -0600
@@ -7,7 +7,7 @@
 ])
 
 AC_CONFIG_SRCDIR(loudmouth/loudmouth.h)
-AM_CONFIG_HEADER(config.h)
+AC_CONFIG_HEADERS([config.h])
 AM_INIT_AUTOMAKE(1.9 dist-bzip2 no-define)
 
 AM_MAINTAINER_MODE