diff -up loudmouth-1.4.3/configure.ac.automake-1_13 loudmouth-1.4.3/configure.ac
--- loudmouth-1.4.3/configure.ac.automake-1_13	2013-01-06 15:24:52.847051268 +0100
+++ loudmouth-1.4.3/configure.ac	2013-01-06 15:27:04.643818947 +0100
@@ -7,7 +7,7 @@ AC_COPYRIGHT([
 ])
 
 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