[mythtv] mythtv on PPC machine

[Torbjörn Jansson]

> 
> However, I seem to have struck a stumbling block in the compile of
> RTjpegN.c, it seems there is some assembly in there for x86 machines.
> 
> Is mythtv meant to compile across various platforms? Or am I
> the 1st to
> try it for a PPC machine?
> 
> Is there a way around this (i.e a C version of this file)? Or
> use another lib.
> 

Wasn't there a define in there somewere that controlled wether the assembly
code was used or eqivalent C functions was used?
I think it was something about MMX.

I remember I messed around with the same problem when I wrote the windows
filters, I never got the inline assembly stuff to compile properly on
windows.