X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fx86_64%2FMakefile;h=6f90c246c4189989d6fcaadc7cff0e9ed18cd905;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=9b9a504efa552d5fb0c7525bd3afcfdd183649f5;hpb=9bf4aaab3e101692164d49b7ca357651eb691cb6;p=linux-2.6.git

diff --git a/arch/x86_64/Makefile b/arch/x86_64/Makefile
index 9b9a504ef..6f90c246c 100644
--- a/arch/x86_64/Makefile
+++ b/arch/x86_64/Makefile
@@ -37,10 +37,10 @@ LDFLAGS		:= -m elf_x86_64
 OBJCOPYFLAGS	:= -O binary -R .note -R .comment -S
 LDFLAGS_vmlinux := -e stext
 
-CHECK           := $(CHECK) -D__x86_64__=1
+CHECKFLAGS      += -D__x86_64__ -m64
 
-cflags-$(CONFIG_MK8) += $(call check_gcc,-march=k8,)
-cflags-$(CONFIG_MPSC) += $(call check_gcc,-march=nocona,)
+cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8)
+cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona)
 CFLAGS += $(cflags-y)
 
 CFLAGS += -mno-red-zone
@@ -54,11 +54,13 @@ ifneq ($(CONFIG_DEBUG_INFO),y)
 CFLAGS += -fno-asynchronous-unwind-tables
 # -fweb shrinks the kernel a bit, but the difference is very small
 # it also messes up debugging, so don't use it for now.
-#CFLAGS += $(call check_gcc,-fweb,)
+#CFLAGS += $(call cc-option,-fweb)
 endif
 # -funit-at-a-time shrinks the kernel .text considerably
 # unfortunately it makes reading oopses harder.
-CFLAGS += $(call check_gcc,-funit-at-a-time,)
+CFLAGS += $(call cc-option,-funit-at-a-time)
+# prevent gcc from generating any FP code by mistake
+CFLAGS += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,)
 
 head-y := arch/x86_64/kernel/head.o arch/x86_64/kernel/head64.o arch/x86_64/kernel/init_task.o
 
@@ -77,6 +79,7 @@ boot := arch/x86_64/boot
 all: bzImage
 
 BOOTIMAGE                     := arch/x86_64/boot/bzImage
+KBUILD_IMAGE                  := $(BOOTIMAGE)
 
 bzImage: vmlinux
 	$(Q)$(MAKE) $(build)=$(boot) $(BOOTIMAGE)