1# Copyright 2003 - 2004 Pathscale, Inc
 2# Released under the GPL
 3
 4core-y += arch/um/sys-x86_64/ arch/x86/crypto/
 5START := 0x60000000
 6
 7_extra_flags_ = -fno-builtin -m64
 8
 9KBUILD_CFLAGS += $(_extra_flags_)
10
11CHECKFLAGS  += -m64 -D__x86_64__
12KBUILD_AFLAGS += -m64
13LDFLAGS += -m elf_x86_64
14KBUILD_CPPFLAGS += -m64
15
16ELF_ARCH := i386:x86-64
17ELF_FORMAT := elf64-x86-64
18HEADER_ARCH := x86
19
20# Not on all 64-bit distros /lib is a symlink to /lib64. PLD is an example.
21
22LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib64
23LINK-y += -m64
24
25# Do unit-at-a-time unconditionally on x86_64, following the host
26KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time)