--- old/make/bsd/makefiles/vm.make	2012-09-17 16:11:52.236167390 -0400
+++ new/make/bsd/makefiles/vm.make	2012-09-17 16:11:51.122056743 -0400
@@ -190,7 +190,7 @@
 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