Index: kernel/arch/ia32/Makefile.inc
===================================================================
--- kernel/arch/ia32/Makefile.inc	(revision 91825d906871fb7aacdd0e8161dca09a9de0ef6e)
+++ kernel/arch/ia32/Makefile.inc	(revision dc22844fb0d5ea9ccfad3f1097a7bf38da0c0ef9)
@@ -46,9 +46,9 @@
 #
 
-ifeq ($(MACHINE),athlon-xp)
+ifeq ($(MACHINE),athlon_xp)
 	CMN2 = -march=athlon-xp
 	SUNCC_CFLAGS += -xarch=ssea
 endif
-ifeq ($(MACHINE),athlon-mp)
+ifeq ($(MACHINE),athlon_mp)
 	CMN2 = -march=athlon-mp
 	SUNCC_CFLAGS += xarch=ssea