--- a52dec-0.7.4.orig//configure.in	2002-07-27 23:50:20.000000000 -0400
+++ a52dec-0.7.4.orig//configure.in	2013-04-24 19:56:31.000000000 -0400
@@ -6,7 +6,7 @@ 
 AC_CONFIG_FILES([Makefile autotools/Makefile include/Makefile test/Makefile
     doc/Makefile src/Makefile liba52/Makefile libao/Makefile vc++/Makefile])
 AM_INIT_AUTOMAKE([a52dec],[0.7.4])
-AM_CONFIG_HEADER(include/config.h)
+AC_CONFIG_HEADERS(include/config.h)
 AM_MAINTAINER_MODE
 AC_CANONICAL_HOST