[mythtv] Weird avcodec compile problem

[Kenneth Aafløy]

> On Sat, 20 Dec 2003 02:47:34 +0100, "Kenneth Aafløy" said:
> > It is because the compiler has not loaded the mmx instruction set,
> > unless I'm wrong, which is 99% of the time, have you tried 
> a -march=xxx
> > flag?
> 
> Yep.  I've tried everything I see in the gcc man page.
> -march=i686, -mmmx, -msse, -mfpmath=sse
> 
> the gcc man page also says:
>       -O
>        -O1 Optimize.  Optimizing compilation takes somewhat more time,
>        and a lot more memory
>            for a large function.
> 
>            With -O, the compiler tries to reduce code size 
> and execution
>            time, without per-
>            forming any optimizations that take a great deal of
>            compilation time.
> 
>            -O turns on the following optimization flags: -fdefer-pop
>            -fmerge-constants
>            -fthread-jumps -floop-optimize -fcrossjumping 
> -fif-conversion
>            -fif-conversion2
>            -fdelayed-branch -fguess-branch-probability 
> -fcprop-registers
> 
>            -O also turns on -fomit-frame-pointer on machines 
> where doing
>            so does not inter-
>            fere with debugging.
> 
> but manually enabling those options (-fcprop-registers doesn't seem to
> work), doesn't help either.
> I'm at a loss as to what else I can do.
> 
> .Geoff

Downgrade I think.

Kenneth