mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-19 02:04:19 +08:00
63fea0af43
GCC 4.6 manual says:
-funit-at-a-time
This option is left for compatibility reasons. -funit-at-a-time has
no effect, while -fno-unit-at-a-time implies -fno-toplevel-reorder
and -fno-section-anchors. Enabled by default.
Remove it.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Richard Weinberger <richard@sigma-star.at>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: x86-ml <x86@kernel.org>
Link: https://lkml.kernel.org/r/1541990120-9643-3-git-send-email-yamada.masahiro@socionext.com
51 lines
1.1 KiB
Makefile
51 lines
1.1 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
|
|
core-y += arch/x86/crypto/
|
|
|
|
ifeq ($(CONFIG_X86_32),y)
|
|
START := 0x8048000
|
|
|
|
KBUILD_LDFLAGS += -m elf_i386
|
|
ELF_ARCH := i386
|
|
ELF_FORMAT := elf32-i386
|
|
CHECKFLAGS += -D__i386__
|
|
|
|
KBUILD_CFLAGS += $(call cc-option,-m32)
|
|
KBUILD_AFLAGS += $(call cc-option,-m32)
|
|
LINK-y += $(call cc-option,-m32)
|
|
|
|
LDS_EXTRA := -Ui386
|
|
export LDS_EXTRA
|
|
|
|
# First of all, tune CFLAGS for the specific CPU. This actually sets cflags-y.
|
|
include arch/x86/Makefile_32.cpu
|
|
|
|
# prevent gcc from keeping the stack 16 byte aligned. Taken from i386.
|
|
cflags-y += $(call cc-option,-mpreferred-stack-boundary=2)
|
|
|
|
# Prevent sprintf in nfsd from being converted to strcpy and resulting in
|
|
# an unresolved reference.
|
|
cflags-y += -ffreestanding
|
|
|
|
KBUILD_CFLAGS += $(cflags-y)
|
|
|
|
else
|
|
|
|
START := 0x60000000
|
|
|
|
KBUILD_CFLAGS += -fno-builtin -m64
|
|
|
|
CHECKFLAGS += -m64 -D__x86_64__
|
|
KBUILD_AFLAGS += -m64
|
|
KBUILD_LDFLAGS += -m elf_x86_64
|
|
KBUILD_CPPFLAGS += -m64
|
|
|
|
ELF_ARCH := i386:x86-64
|
|
ELF_FORMAT := elf64-x86-64
|
|
|
|
# Not on all 64-bit distros /lib is a symlink to /lib64. PLD is an example.
|
|
|
|
LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib64
|
|
LINK-y += -m64
|
|
|
|
endif
|