[mythtv] Mac OS X patch 10

[Matt Zimmerman]

On Sun, Jun 06, 2004 at 11:30:15AM +1000, Nigel Pearson wrote:

> Only define MMX if configure thinks we are building on one.
> Only compile for a PPro if we are building on an X86.
> On Mac OS X, compile -O2 (not -O3), and set a define for Darwin.

I'm a bit hesitant about this, because the last time I tried to use
contains() in settings.pro, it broke for some people (probably due to qmake
bugs).  Is there any other way to do it?

-- 
 - mdz