--- xf86-input-hyperpen-1.4.1/configure.ac~	2011-07-05 03:42:36.000000000 +0200
+++ xf86-input-hyperpen-1.4.1/configure.ac	2013-04-07 21:36:17.091429090 +0200
@@ -35,7 +35,7 @@
 DRIVER_NAME=hyperpen
 AC_SUBST([DRIVER_NAME])
 
-AM_CONFIG_HEADER([config.h])
+AC_CONFIG_HEADERS([config.h])
 
 # Checks for programs.
 AC_DISABLE_STATIC