diff -r 435ec4e14eff -r aeca8151886e hotspot/make/bsd/makefiles/buildtree.make
--- a/hotspot/make/bsd/makefiles/buildtree.make	Wed Feb 22 10:32:29 2012 -0800
+++ b/hotspot/make/bsd/makefiles/buildtree.make	Wed Feb 22 09:24:35 2012 +0100
@@ -58,6 +58,7 @@
 # needs to be set here since this Makefile doesn't include defs.make
 OS_VENDOR:=$(shell uname -s)
 
+-include $(SPEC)
 include $(GAMMADIR)/make/scm.make
 include $(GAMMADIR)/make/altsrc.make
 
@@ -247,6 +248,8 @@
 	    echo "HOTSPOT_EXTRA_SYSDEFS\$$(HOTSPOT_EXTRA_SYSDEFS) = $(HOTSPOT_EXTRA_SYSDEFS)" && \
 	    echo "SYSDEFS += \$$(HOTSPOT_EXTRA_SYSDEFS)"; \
 	echo; \
+	[ -n "$(SPEC)" ] && \
+	    echo "include $(SPEC)"; \
 	echo "include \$$(GAMMADIR)/make/$(OS_FAMILY)/makefiles/$(VARIANT).make"; \
 	echo "include \$$(GAMMADIR)/make/$(OS_FAMILY)/makefiles/$(COMPILER).make"; \
 	) > $@