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- core-y += arch/x86/crypto/
- ifeq ($(CONFIG_X86_32),y)
- START := 0x8048000
- 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)
- export LDFLAGS
- 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
- # Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
- # a lot more stack due to the lack of sharing of stacklots. Also, gcc
- # 4.3.0 needs -funit-at-a-time for extern inline functions.
- KBUILD_CFLAGS += $(shell if [ $(cc-version) -lt 0400 ] ; then \
- echo $(call cc-option,-fno-unit-at-a-time); \
- else echo $(call cc-option,-funit-at-a-time); fi ;)
- KBUILD_CFLAGS += $(cflags-y)
- else
- START := 0x60000000
- KBUILD_CFLAGS += -fno-builtin -m64
- CHECKFLAGS += -m64 -D__x86_64__
- KBUILD_AFLAGS += -m64
- LDFLAGS += -m elf_x86_64
- KBUILD_CPPFLAGS += -m64
- ELF_ARCH := i386:x86-64
- ELF_FORMAT := elf64-x86-64
- # Not on all 64-bit distros /lib is a symlink to /lib64. PLD is an example.
- LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib64
- LINK-y += -m64
- # Do unit-at-a-time unconditionally on x86_64, following the host
- KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time)
- endif
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