--- old/common/autoconf/configure.ac	2013-08-29 15:35:49.180779853 +0200
+++ new/common/autoconf/configure.ac	2013-08-29 15:35:49.070760779 +0200
@@ -30,7 +30,7 @@
 ###############################################################################
 
 
-AC_PREREQ([2.61])
+AC_PREREQ([2.69])
 AC_INIT(OpenJDK, jdk8, build-dev@openjdk.java.net,,http://openjdk.java.net)
 
 AC_CONFIG_AUX_DIR([build-aux])