diff --git a/configure.in b/configure.in
index ceccbfe..fd4d6e5 100644
--- a/configure.in
+++ b/configure.in
@@ -2,6 +2,8 @@ dnl
 dnl autoconf input file to generate MCONFIG
 dnl
 
+AC_PREREQ(2.13)
+AC_REVISION($Id$)
 AC_INIT(MCONFIG.in)
 AC_PREFIX_DEFAULT(/usr)