lkml.org 
[lkml]   [2006]   [Feb]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: 2.6.16-rc3-mm1: i386 compilation broken
Date
On Wednesday 15 February 2006 14:19, Roman Zippel wrote:
> Hi,
>
> On Tue, 14 Feb 2006, Andi Kleen wrote:
>
> > Ok then the -ffreestanding was apparently still needed on other architectures too.
> > I guess that part of the patch can be just dropped.
>
> The main problem is still the sprintf optimization, so
> --fno-builtin-sprintf should fix it too.

Currently it will just use out of line strcpy etc. on x86-64.
Not quite optimal - probably need to go back to fix this


> That leaves only the single strchr, which is caused by an strpbrk
> optimization in zoran_procfs.c, where we could use --fno-builtin-strpbrk
> or simply directly replace that strpbrk with strchr.
>
> If we really want to keep -ffreestanding,

I think we should drop it, just i386 has to be fixed first.

> we have to rework how string.h
> is organized to allow enabling builtin functions, but still provide fall
> back functions. For example we had to add a lot of "#define foo
> __builtin_foo" to linux/string.h and "#undef foo" to lib/string.c.

Yes it would be ugly.


-Andi
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2006-02-15 14:34    [W:0.075 / U:0.812 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site