diff -up udftools/configure.in.automake-1_13 udftools/configure.in
--- udftools/configure.in.automake-1_13	2013-01-03 01:08:03.245184881 +0100
+++ udftools/configure.in	2013-01-03 01:08:43.210797305 +0100
@@ -1,7 +1,7 @@
 dnl Process this file with autoconf to produce a configure script.
 AC_INIT(mkudffs, 1.0.0b3)
 AC_CONFIG_AUX_DIR(config)
-AM_CONFIG_HEADER(include/config.h:include/config.in)
+AC_CONFIG_HEADERS(include/config.h:include/config.in)
 AM_INIT_AUTOMAKE
 
 dnl Checks for programs.