diff -Naur linux-2.6.8.1/arch/ppc64/Makefile linux-2.6.8.1-gentoo/arch/ppc64/Makefile
--- linux-2.6.8.1/arch/ppc64/Makefile	2005-06-17 15:48:29.000000000 -0400
+++ linux-2.6.8.1-gentoo/arch/ppc64/Makefile	2005-06-30 19:33:53.000000000 -0400
@@ -14,6 +14,7 @@
 #
 
 KERNELLOAD	:= 0xc000000000000000
+CC		:= $(shell if $(CC) -m64 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo $(CC); else echo powerpc64-linux-gcc; fi )
 
 HAS_BIARCH      := $(shell if $(CC) -m64 -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo y; else echo n; fi;)
 ifeq ($(HAS_BIARCH),y)