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

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Message-ID: <49F9BB47.7080806@zytor.com>
Date:	Thu, 30 Apr 2009 07:52:55 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	mingo@...hat.com, hpa@...or.com, linux-kernel@...r.kernel.org,
	sam@...nborg.org, torvalds@...ux-foundation.org,
	tglx@...utronix.de, jdb@...x.dk, mingo@...e.hu
CC:	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:x86/kbuild] x86: boot/compressed/vmlinux.lds.S: fix build
 of bzImage with 64 bit compiler

tip-bot for Sam Ravnborg wrote:
> Commit-ID:  83c4832683bc8ebcd1687b3c0bf3ba1ab253dd4f
> Gitweb:     http://git.kernel.org/tip/83c4832683bc8ebcd1687b3c0bf3ba1ab253dd4f
> Author:     Sam Ravnborg <sam@...nborg.org>
> AuthorDate: Thu, 30 Apr 2009 12:03:16 +0200
> Committer:  Ingo Molnar <mingo@...e.hu>
> 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.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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