[FFmpeg-devel] patch: fix buf in configure to ensure theHAVE_VSX is only enabled when HAVE_ALTIVECT is enabled

[rongyan]

Reimar,
 HAVE_VSX is used to make PPC ALTIVEC code successfully running in LE.
 Yes, we can add some comment to the configure.
  
 Rong Yan
  ------------------
  The world has enough for everyone's need, but not enough for everyone's greed.


  
  

 

 ------------------ Original ------------------
  From:  "Reimar Döffinger";<Reimar.Doeffinger at gmx.de>;
 Date:  Mon, Oct 13, 2014 04:04 PM
 To:  "FFmpeg development discussions and patches"<ffmpeg-devel at ffmpeg.org>; 
 
 Subject:  Re: [FFmpeg-devel] patch: fix buf in configure to ensure theHAVE_VSX is only enabled when HAVE_ALTIVECT is enabled

 

On 13.10.2014, at 09:04, "rongyan" <rongyan236 at foxmail.com> wrote:
> Hi,
> We present this patch to fix the bug in 'configure' file to make sure that the HAVE_VSX is only enabled when HAVE_ALTIVEC is enabled on POWER LE, and disabled when HAVE_ALTIVEC is disabled.

Sorry if my question makes no sense (I am fairly clueless about little-endian PPC), but why is it necessary to disable vsx if altivec is disabled?
It would be good to add that e.g. as a comment to configure (unless it's some obvious reason I missed).
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