diff -wruN -x '*~' -x '*.o' -x '*.a' -x '*.so' -x '*.so.[0-9]' -x autom4te.cache -x .deps -x .libs -x Makefile -x Makefile.in ../orig-freeipmi-1.2.5/configure.ac ./configure.ac
--- ../orig-freeipmi-1.2.5/configure.ac	2013-02-26 23:25:53.000000000 +0100
+++ ./configure.ac	2013-02-28 12:03:24.843417885 +0100
@@ -22,7 +22,7 @@
 AM_INIT_AUTOMAKE([tar-ustar subdir-objects 1.9])
 
 dnl create a config.h file
-AM_CONFIG_HEADER([config/config.h])
+AC_CONFIG_HEADERS([config/config.h])
 
 dnl define output files
 AC_CONFIG_FILES([