Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4ba7e5cd499a72983e6d011e76c1d8fad896d310
Commit: 4ba7e5cd499a72983e6d011e76c1d8fad896d310
Parent: 25dfeeb757bdf06521d65973676b21dac1d26d20
Author: Sam Ravnborg <[EMAIL PROTECTED]>
AuthorDate: Wed Jan 30 13:32:23 2008 +0100
Committer: Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Wed Jan 30 13:32:23 2008 +0100
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 <[EMAIL PROTECTED]>
Cc: "H. Peter Anvin" <[EMAIL PROTECTED]>
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
---
arch/x86/Makefile | 11 ++++-------
arch/x86/boot/Makefile | 4 +---
2 files changed, 5 insertions(+), 10 deletions(-)
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 @@ export BITS
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
diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile
index 7a3116c..dcad650 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
-
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