Re: [PATCH] string fixes for gcc 3.4

From: Andi Kleen
Date: Wed Jan 14 2004 - 05:02:28 EST


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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