# Copyright 2003 - 2004 Pathscale, Inc
  # Released under the GPL

  core-y += arch/um/sys-x86_64/ arch/x86/crypto/

  START := 0x60000000

  _extra_flags_ = -fno-builtin -m64

  KBUILD_CFLAGS += $(_extra_flags_)

  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

  HEADER_ARCH := x86

  
  # 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)