--- ./configure.ac.orig	2012-12-31 20:15:29.384600257 +0000
+++ ./configure.ac	2012-12-31 20:15:38.461347599 +0000
@@ -9,7 +9,7 @@
 AC_CANONICAL_HOST
 AC_CANONICAL_TARGET
 
-AM_CONFIG_HEADER([config.h])
+AC_CONFIG_HEADER([config.h])
 AC_CONFIG_SRCDIR([lib/fdct.c])
 AM_INIT_AUTOMAKE
 AM_MAINTAINER_MODE