[FFmpeg-devel] [BUG] Unable to compile with --enable-runtime-cpudetect on Mac OS X

Patrice Bensoussan patrice.bensoussan
Thu Jun 25 00:33:19 CEST 2009

On 24 Jun 2009, at 23:21, Patrice Bensoussan wrote:

> On 24 Jun 2009, at 23:17, Adrian Stutz wrote:
>> On Thu, Jun 25, 2009 at 12:12 AM, Patrice Bensoussan <
>> patrice.bensoussan at free.fr> wrote:
>>> I'm trying to compile ffmpeg for ppc so that it can run on both G3  
>>> and G4
>>> (using altivec with G4). It seems that --enable-runtime-cpudetect  
>>> option has
>>> been introduced recently in configure, so I assume it would be the  
>>> option to
>>> use to achieve what I want to do... but doesn't seem to work... Am  
>>> I missing
>>> something or is this a known issue/limitation?
>> I've just submitted a patch for this issue, see here:
>> http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2009-June/ 
>> 071836.html
> Works nicely :-) what about the options on the gcc compilation line?  
> I can see -maltivec -mabi=altivec is being used... does it mean it  
> will not work on G3? Thanks.

Had a quick look in configure, and it seems to me that these flags  
should not be enabled if --enable-runtime-cpudetect is used... I am  


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