--- a/common/autoconf/hotspot-spec.gmk.in	Wed Nov 14 10:13:28 2012 -0800
+++ b/common/autoconf/hotspot-spec.gmk.in	Wed Nov 14 10:16:45 2012 -0800
@@ -95,6 +95,8 @@
 EXTRA_CXXFLAGS=@LEGACY_EXTRA_CXXFLAGS@
 EXTRA_LDFLAGS=@LEGACY_EXTRA_LDFLAGS@
 
+USE_PRECOMPILED_HEADER=@USE_PRECOMPILED_HEADER@
+
 # Sneak this in via the spec.gmk file, since we don't want to mess around too much with the Hotspot make files.
 # This is needed to get the LOG setting to work properly.
 include $(SRC_ROOT)/common/makefiles/MakeBase.gmk