Bug#842513: vlc: immediate crash on launch on powerpc

[Lennart Sorensen]

On Tue, Nov 01, 2016 at 04:34:01PM +0200, Adrian Bunk wrote:
> This doesn't looks wrong to me.
> 
> Note that depending on the software --enable-altivec can either mean
> - compile unconditionally for AltiVec, or
> - enable AltiVec parts with autodetection to only use them when the
>   hardware supports it

Well in VLC it means build with -maltivec among other things.

> As I already wrote, vlc contains AltiVec-specific code and autodetection 
> for using it only when the hardware supports it.
> 
> This should be enabled on all ppc ports, except the SPE one.
> 
> --enable-altivec also adding -maltivec elsewhere is a bug.

Well it certainly appears to have been done on purpose in the configure
script.  Maybe it is a bug.  Perhaps I should poke it a bit...

> And due to this bug the whole AltiVec autodetection in vlc is
> pretty useless.

Well if it has such auto detection, then yes it is.

-- 
Len Sorensen