Subject: Re: [linux-audio-dev] [OT] Autoconf cpu optimisations
From: Stefan Kost (kost_AT_imn.htwk-leipzig.de)
Date: Thu Apr 11 2002 - 14:18:02 EEST
Hi Steve,
> Hi all,
>
> In my configure.in I have:
>
> UNAME_MACHINE=`uname -m`
> CFLAGS="... -mcpu=${UNAME_MACHINE} -march=${UNAME_MACHINE}"
>
> Which seems to work fine for x86 based machines, but doesn't work for ppc,
> uname -m returns "ppc" and -mcpu wont take ppc as an argument.
>
> Does anyone know how to do this right? The -mcpu argument is important for
> PII's etc. it wins quite a lot of efficiency.
put into the README the infos for the various platforms and let people decide by using
> env CFLAGS=... ./configure ...
Stefan
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