x86: biarch support for 32 bit builds beautified
There were no reason to mess around with CC, AS and LD.
Fixing this up avoided duplicated option for ld.
A small fixlet were needed in boot/Makefile which assumed
that CC were modified.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 0c5b407..bfe061d 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -15,18 +15,15 @@
ifeq ($(CONFIG_X86_32),y)
BITS := 32
UTS_MACHINE := i386
+ CHECKFLAGS += -D__i386__
- HAS_BIARCH := $(call cc-option-yn, -m32)
- ifeq ($(HAS_BIARCH),y)
- AS := $(AS) --32
- LD := $(LD) -m elf_i386
- CC := $(CC) -m32
- endif
+ biarch := $(call cc-option,-m32)
+ KBUILD_AFLAGS += $(biarch)
+ KBUILD_CFLAGS += $(biarch)
ifdef CONFIG_RELOCATABLE
LDFLAGS_vmlinux := --emit-relocs
endif
- CHECKFLAGS += -D__i386__
KBUILD_CFLAGS += -msoft-float -mregparm=3 -freg-struct-return