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__

  
  ifeq ("$(origin SUBARCH)", "command line")
  ifneq ("$(shell uname -m | sed -e s/i.86/i386/)", "$(SUBARCH)")

  KBUILD_CFLAGS		+= $(call cc-option,-m32)

  KBUILD_AFLAGS		+= $(call cc-option,-m32)

  LINK-y			+= $(call cc-option,-m32)

  export LDFLAGS

  endif
  endif

  # First of all, tune CFLAGS for the specific CPU. This actually sets cflags-y.

  include $(srctree)/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 [ $(call 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