--- matchbox-window-manager-1.2/configure.ac~	2007-04-13 00:38:21.000000000 +0800
+++ matchbox-window-manager-1.2/configure.ac	2013-01-19 20:14:20.352894438 +0800
@@ -4,7 +4,7 @@
 
 AM_INIT_AUTOMAKE()
 AM_MAINTAINER_MODE
-AM_CONFIG_HEADER([config.h])
+AC_CONFIG_HEADERS([config.h])
 
 # Checks for programs.
 AC_PROG_CC