diff -Naur libmad-0.15.1b-old/configure.ac libmad-0.15.1b-new/configure.ac
--- libmad-0.15.1b-old/configure.ac	2004-01-23 01:41:32.000000000 -0800
+++ libmad-0.15.1b-new/configure.ac	2012-12-30 15:14:37.000000000 -0800
@@ -28,7 +28,7 @@
 
 AM_INIT_AUTOMAKE
 
-AM_CONFIG_HEADER([config.h])
+AC_CONFIG_HEADERS([config.h])
 
 dnl System type.