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authorSam Ravnborg <sam@ravnborg.org>2008-01-30 13:32:23 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-30 13:32:23 +0100
commit4ba7e5cd499a72983e6d011e76c1d8fad896d310 (patch)
treec6b92e1a5556e31f840cfff6d5b86f02421f04da /arch/x86/boot
parent25dfeeb757bdf06521d65973676b21dac1d26d20 (diff)
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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>
Diffstat (limited to 'arch/x86/boot')
-rw-r--r--arch/x86/boot/Makefile4
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile
index 7a3116ccf387..dcad6507f196 100644
--- a/arch/x86/boot/Makefile
+++ b/arch/x86/boot/Makefile
@@ -49,10 +49,7 @@ HOSTCFLAGS_build.o := $(LINUXINCLUDE)
# How to compile the 16-bit code. Note we always compile for -march=i386,
# that way we can complain to the user if the CPU is insufficient.
-cflags-$(CONFIG_X86_32) :=
-cflags-$(CONFIG_X86_64) := -m32
KBUILD_CFLAGS := $(LINUXINCLUDE) -g -Os -D_SETUP -D__KERNEL__ \
- $(cflags-y) \
-Wall -Wstrict-prototypes \
-march=i386 -mregparm=3 \
-include $(srctree)/$(src)/code16gcc.h \
@@ -62,6 +59,7 @@ KBUILD_CFLAGS := $(LINUXINCLUDE) -g -Os -D_SETUP -D__KERNEL__ \
$(call cc-option, -fno-unit-at-a-time)) \
$(call cc-option, -fno-stack-protector) \
$(call cc-option, -mpreferred-stack-boundary=2)
+KBUILD_CFLAGS += $(call cc-option,-m32)
KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
$(obj)/zImage: IMAGE_OFFSET := 0x1000