--- a/jdk/makefiles/Tools.gmk	Mon Feb 18 15:35:57 2013 -0500
+++ b/jdk/makefiles/Tools.gmk	Tue Feb 19 11:08:43 2013 +0000
@@ -53,6 +53,14 @@
 
 BUILD_TOOLS += $(foreach i,$(wildcard $(JDK_TOPDIR)/src/share/classes/javax/swing/plaf/nimbus/*.template),$(JDK_OUTPUTDIR)/btclasses/build/tools/generatenimbus/resources/$(notdir $i))
 
+# Resources used by CheckDeps tool
+$(JDK_OUTPUTDIR)/btclasses/build/tools/deps/% : \
+	$(JDK_TOPDIR)/make/tools/src/build/tools/deps/%
+	$(MKDIR) -p $(@D)
+	$(CP) $< $@
+
+BUILD_TOOLS += $(JDK_OUTPUTDIR)/btclasses/build/tools/deps/refs.allowed
+
 # Add a checksum ("jsum") to the end of a text file. Prevents trivial tampering with class lists.
 TOOL_ADDJSUM=$(JAVA) -cp $(JDK_OUTPUTDIR)/btclasses \
 	build.tools.addjsum.AddJsum
@@ -141,6 +149,10 @@
     -cp $(JDK_OUTPUTDIR)/btclasses:$(JDK_OUTPUTDIR) \
         build.tools.classfile.RemoveMethods
 
+TOOL_CHECKDEPS=$(JAVA) -Xbootclasspath/p:$(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar \
+    -cp $(JDK_OUTPUTDIR)/btclasses:$(JDK_OUTPUTDIR) \
+        build.tools.deps.CheckDeps
+
 ##########################################################################################
 
 # Tools needed on solaris because OBJCOPY is broken.