diff -r 31000d79ec71 -r 485d403e94e1 build/linux/makefiles/buildtree.make
--- a/build/linux/makefiles/buildtree.make	Wed Mar 12 18:09:34 2008 -0700
+++ b/build/linux/makefiles/buildtree.make	Wed Mar 12 18:37:03 2008 -0700
@@ -63,7 +63,11 @@
 # For now, until the compiler is less wobbly:
 TESTFLAGS	= -Xbatch -showversion
 
-PLATFORM_FILE	= $(GAMMADIR)/build/$(OS_FAMILY)/platform_$(BUILDARCH)
+ifdef USE_SUNCC
+PLATFORM_FILE	= $(GAMMADIR)/build/$(OS_FAMILY)/platform_$(BUILDARCH).suncc
+else
+PLATFORM_FILE   = $(GAMMADIR)/build/$(OS_FAMILY)/platform_$(BUILDARCH)
+endif
 
 ifdef FORCE_TIERED
 ifeq		($(VARIANT),tiered)