Re: [tip:x86/kbuild] x86: boot/compressed/vmlinux.lds.S: fix build of bzImage with 64 bit compiler

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On Thu, Apr 30, 2009 at 07:52:55AM -0700, H. Peter Anvin wrote:
> tip-bot for Sam Ravnborg wrote:
> > Commit-ID:  83c4832683bc8ebcd1687b3c0bf3ba1ab253dd4f
> > Gitweb:     http://git.kernel.org/tip/83c4832683bc8ebcd1687b3c0bf3ba1ab253dd4f
> > Author:     Sam Ravnborg <sam@xxxxxxxxxxxx>
> > AuthorDate: Thu, 30 Apr 2009 12:03:16 +0200
> > Committer:  Ingo Molnar <mingo@xxxxxxx>
> > CommitDate: Thu, 30 Apr 2009 12:36:50 +0200
> > 
> > x86: boot/compressed/vmlinux.lds.S: fix build of bzImage with 64 bit compiler
> > 
> > Jesper reported that he saw following build issue:
> > 
> >  > ld:arch/x86/boot/compressed/vmlinux.lds:9: syntax error
> >  > make[2]: *** [arch/x86/boot/compressed/vmlinux] Error 1
> >  > make[1]: *** [arch/x86/boot/compressed/vmlinux] Error 2
> >  > make: *** [bzImage] Error 2
> > 
> > CPP defines the symbol "i386" to "1".
> > Undefine this to fix it.
> > 
> 
> I'm wondering if we should build the *.lds.S with -ansi or some other
> gcc option which disables ALL non-underscore macros.

I did not know that -ansi had this effect.
We are only seldomly hitting this issue and I wonder
if it could break something in out included headers.
Most likely not.

	Sam
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