b076bb02ee
On top of the previous biarch changes for UML, this makes the preprocessor changes a bit cleaner. Specify the 64-bit build in CPPFLAGS on the x86_64 SUBARCH, rather than #undef'ing i386. Compile-tested with i386 and x86_64 SUBARCHs. Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com> Signed-off-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
23 lines
563 B
Plaintext
23 lines
563 B
Plaintext
# Copyright 2003 - 2004 Pathscale, Inc
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# Released under the GPL
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core-y += arch/um/sys-x86_64/
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START := 0x60000000
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#We #undef __x86_64__ for kernelspace, not for userspace where
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#it's needed for headers to work!
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CFLAGS += -U__$(SUBARCH)__ -fno-builtin -m64
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USER_CFLAGS += -fno-builtin -m64
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CHECKFLAGS += -m64
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AFLAGS += -m64
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LDFLAGS += -m elf_x86_64
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CPPFLAGS += -m64
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ELF_ARCH := i386:x86-64
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ELF_FORMAT := elf64-x86-64
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# Not on all 64-bit distros /lib is a symlink to /lib64. PLD is an example.
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LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib64
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LINK-y += -m64
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