--- a/jdk/make/Makefile	Mon Nov 22 14:57:16 2010 -0800
+++ b/jdk/make/Makefile	Wed Jul 05 17:27:58 2017 +0200
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 1995, 2007, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 1995, 2010, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -243,6 +243,11 @@
 SUBDIRS_tools = launchers
 SUBDIRS_misc  = org sunw jpda mkdemo mksample
 
+# Alternate classes implementation
+ifndef OPENJDK
+  SUBDIRS_misc += altclasses
+endif
+
 include $(BUILDDIR)/common/Subdirs.gmk
 
 all build::