--- old/make/linux/makefiles/vm.make	2012-09-21 10:48:43.268086003 -0400
+++ new/make/linux/makefiles/vm.make	2012-09-21 10:48:42.662089712 -0400
@@ -192,7 +192,7 @@
 ZERO_SPECIFIC_FILES      := zero
 
 # Always exclude these.
-Src_Files_EXCLUDE := jsig.c jvmtiEnvRecommended.cpp jvmtiEnvStub.cpp
+Src_Files_EXCLUDE += jsig.c jvmtiEnvRecommended.cpp jvmtiEnvStub.cpp
 
 # Exclude per type.
 Src_Files_EXCLUDE/CORE      := $(COMPILER1_SPECIFIC_FILES) $(COMPILER2_SPECIFIC_FILES) $(ZERO_SPECIFIC_FILES) $(SHARK_SPECIFIC_FILES) ciTypeFlow.cpp