Date: 14 Jan 2004 11:02:16 +0100
Date: Wed, 14 Jan 2004 11:02:16 +0100
From: Andi Kleen <ak@colin2.muc.de>
To: Jakub Jelinek <jakub@redhat.com>
Cc: Andi Kleen <ak@muc.de>, akpm@osdl.org, linux-kernel@vger.kernel.org,
       jh@suse.cz
Subject: Re: [PATCH] string fixes for gcc 3.4
Message-ID: <20040114100216.GD19652@colin2.muc.de>
References: <20040114091543.GA2024@averell> <20040114094305.GQ31589@devserv.devel.redhat.com>
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On Wed, Jan 14, 2004 at 04:43:05AM -0500, Jakub Jelinek wrote:
> On Wed, Jan 14, 2004 at 10:15:43AM +0100, Andi Kleen wrote:
> > 
> > gcc 3.4 optimizes sprintf(foo,"%s",string) into strcpy. Unfortunately
> > that isn't seen by the inliner and linux/i386 has no out-of-line strcpy
> > so you end up with a linker error.
> 
> The other alternative is -ffreestanding.  Kernel in its current shape
> certainly is not a hosted environment.

Good point.

> But I agree GCC does a better job with string/memory functions
> than kernel with its inlines.

If anybody wants to try it:
cp include/asm-x86_64/string.h include/asm-i386/string.h 
should do approximately the right thing.

-Andi
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