[mythtv] Weird avcodec compile problem

[Kenneth Aafløy]

Geoffrei Haushner wrote:

> Yeah, but it is pretty hard to debug problems with -O3 set 
> (it reorders
> the execution commands)
> 
> For some reason dsputil_mmx.c won't compile without a '-O' 
> setting (and
> '-O0' doesn't work).
> 
> I suppose I could just disable MMX for debug, but that'll kill my
> performance, and valgrind supoorts MMX ok nowadays.

Try forcing mmx with debug flags adding to settings.pro:

QMAKE_C[?:XX]FLAGS_DEBUG += -mmmx

Kenneth