--- a/hotspot/make/solaris/makefiles/sparcWorks.make	Thu Dec 02 14:00:03 2010 -0500
+++ b/hotspot/make/solaris/makefiles/sparcWorks.make	Wed Dec 01 15:04:06 2010 +0100
@@ -150,6 +150,9 @@
 DEPFLAGS = -xMMD -xMF $(DEP_DIR)/$(@:%=%.d)
 endif
 
+# -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp.
+CFLAGS += -DDONT_USE_PRECOMPILED_HEADER
+
 ################################################
 # Begin current (>=5.9) Forte compiler options #
 #################################################