8038262: Workaround for ccache in vm.make is missing for aix
Reviewed-by: simonis, kvn
--- a/hotspot/make/aix/makefiles/vm.make Mon Mar 24 10:48:44 2014 -0700
+++ b/hotspot/make/aix/makefiles/vm.make Mon Mar 24 11:51:40 2014 -0700
@@ -101,7 +101,7 @@
# This is VERY important! The version define must only be supplied to vm_version.o
# If not, ccache will not re-use the cache at all, since the version string might contain
# a time and date.
-vm_version.o: CXXFLAGS += ${JRE_VERSION}
+CXXFLAGS/vm_version.o += ${JRE_VERSION}
CXXFLAGS/BYFILE = $(CXXFLAGS/$@)