--- old/make/Main.gmk	2015-09-16 15:11:11.000000000 -0700
+++ new/make/Main.gmk	2015-09-16 15:11:11.000000000 -0700
@@ -110,6 +110,7 @@
 JDK_GENSRC_TARGETS := $(filter %-gensrc-jdk, $(GENSRC_TARGETS))
 LANGTOOLS_GENSRC_TARGETS := $(filter %-gensrc-langtools, $(GENSRC_TARGETS))
 CORBA_GENSRC_TARGETS := $(filter %-gensrc-corba, $(GENSRC_TARGETS))
+HOTSPOT_GENSRC_TARGETS := $(filter %-gensrc-hotspot, $(GENSRC_TARGETS))
 
 ALL_TARGETS += $(GENSRC_TARGETS)
 
@@ -131,7 +132,8 @@
     FILE_PREFIX := Copy, \
     MAKE_SUBDIR := copy, \
     CHECK_MODULES := $(ALL_MODULES), \
-    USE_WRAPPER := true))
+    USE_WRAPPER := true, \
+    MULTIPLE_MAKEFILES := true))
 
 ALL_TARGETS += $(COPY_TARGETS)
 
@@ -352,6 +354,8 @@
 
   $(CORBA_GENSRC_TARGETS): interim-langtools
 
+  $(HOTSPOT_GENSRC_TARGETS): interim-langtools
+
   $(JDK_GENSRC_TARGETS): interim-langtools buildtools-jdk
 
   interim-corba: $(CORBA_GENSRC_TARGETS)
@@ -417,6 +421,9 @@
   # Explicitly add dependencies for special targets
   java.base-java: unpack-sec
 
+  # The copy target copies files generated by gensrc
+  java.base-copy-hotspot: java.base-gensrc-hotspot
+
   jdk.jdeps-gendata: java rmic
 
   zip-security: java.base-java java.security.jgss-java java.security.jgss-libs \