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: <49F9D1E5.2090805@zytor.com>
Date:	Thu, 30 Apr 2009 09:29:25 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Sam Ravnborg <sam@...nborg.org>
CC:	mingo@...hat.com, linux-kernel@...r.kernel.org,
	torvalds@...ux-foundation.org, tglx@...utronix.de, jdb@...x.dk,
	mingo@...e.hu, 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

Sam Ravnborg wrote:
>>>
>> 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.
> 

The other thing to recognize is probably that lds files aren't assembly,
they're something else entirely.  Rather than reusing the *.S rules,
having specific rules for them probably would make sense.

	-hpa

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

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