[mythtv-users] MythTV Compile Options
Brian Wood
beww at beww.org
Tue Feb 7 03:38:00 UTC 2006
On Feb 6, 2006, at 7:12 PM, Brian Wood wrote:
>
>
> On Feb 6, 2006, at 5:16 PM, Michael T. Dean wrote:
>
>> Brian Wood wrote:
>
> <Snipped for Brevity>
>
>> Just turn off OpenGL vsync with a setting in 0.18-fixes or higher and
>> turn on XvMC.
>>
>> Mike
>
> OK, Gentoo's "Ebuild" system can be your friend or your enemy :-) I
> need to find the correlation between Gentoo's "USE" flags and the
> config options, but you have certainly pointed me in the correct
> direction. Thanks as always.
>
>
In case this might help others:
It turns out that the amd64 architecture running in 64-bit mode
supports sse and sse2 but *not* mmx. It does support mmx if running
in 32-bit mode.
This is in spite of the fact that /proc/cpuinfo claims mmx support.
The Gentoo E-Build is aware of this fact, and will prevent MythTV
being built with mmx support on an amd64 CPU.
Like I said, E-Build can be your friend or your enemy, in this case
it was the former.
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