Re: [linux-audio-dev] Compiling LL kernel for AMD without 3DNOW

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Subject: Re: [linux-audio-dev] Compiling LL kernel for AMD without 3DNOW
From: Roger Larsson (roger.larsson_AT_norran.net)
Date: Wed Dec 12 2001 - 02:52:22 EET

On Wednesdayen den 14 November 2001 11.36, you wrote:
> Hello,
>
> In reply to D. Stimits and Roger Larsson about compiling
> an LL kernel for AMD Athlon without the 3DNOW optimizations
>
> I still get the undefined references to the
> *_mmx_* functions. I am perfectly sure that I really recompiled
> it all, and to demonstrate it, here follow the steps I toke:
> - - -
> So I am really wondering now: what am I doing different? I mean
> you _did_ indeed compile the kernel for AMD without 3DNOW, did you?
>
> Maarten

I have not tried to compile it since I do not have an Athlon...
My guess is:
* that there is a inline routine in a header that uses the
   mmx stuff - but without the check for the 3DNOW flag
or
* that unsetting the 3DNOW flag removes ordinary mmx functions
  too...
(since you know what mmx functions it complains about you can
 grep -r mmx-fun linux
 to find out where they are defined / used / ...)

/RogerL 

-- 
Roger Larsson
Skellefteċ
Sweden

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