Index: kernel/arch/sparc64/Makefile.inc
===================================================================
--- kernel/arch/sparc64/Makefile.inc	(revision 24abb85d299db39cc03f429adc41bb1ed4f23e23)
+++ kernel/arch/sparc64/Makefile.inc	(revision a41cda7148c7e82b6da87a3103019c06fdc484cb)
@@ -31,5 +31,5 @@
 BFD = binary
 
-GCC_CFLAGS += -m64 -mcpu=ultrasparc -mcmodel=medlow -mno-fpu
+COMMON_CFLAGS += -m64 -mcpu=ultrasparc -mcmodel=medlow -mno-fpu
 
 LFLAGS += -no-check-sections