--- old/common/autoconf/jdk-options.m4	2013-01-22 09:54:18.567741963 +0100
+++ new/common/autoconf/jdk-options.m4	2013-01-22 09:54:18.457722957 +0100
@@ -389,7 +389,8 @@
   AC_MSG_ERROR([Milestone must have a value])
 elif test "x$with_milestone" != x; then
     MILESTONE="$with_milestone"
-else
+fi
+if test "x$MILESTONE" = x; then
   MILESTONE=internal
 fi