Index: kernel/arch/sparc64/Makefile.inc
===================================================================
--- kernel/arch/sparc64/Makefile.inc	(revision cc85fb9f57fb5f9af22419eb0ee58d9548d3c7d1)
+++ kernel/arch/sparc64/Makefile.inc	(revision 99373fe634e57f8fd0d7e00007f064f11ed0c6bb)
@@ -36,5 +36,6 @@
 TOOLCHAIN_DIR = /usr/local/sparc64
 
-CFLAGS += -mcpu=ultrasparc -m64
+GCC_CFLAGS += -mcpu=ultrasparc -m64
+SUNCC_CFLAGS +=
 LFLAGS += -no-check-sections -N