--- a/hotspot/make/defs.make	Wed Feb 22 10:32:29 2012 -0800
+++ b/hotspot/make/defs.make	Wed Feb 22 09:24:35 2012 +0100
@@ -24,6 +24,11 @@
 
 # The common definitions for hotspot builds.
 
+# Optionally include SPEC file generated by configure.
+ifneq ($(SPEC),)
+  include $(SPEC)
+endif
+
 # Default to verbose build logs (show all compile lines):
 MAKE_VERBOSE=y