[mythtv] ffmpeg sync

Janne Grunau janne-mythtv at grunau.be
Tue Oct 30 21:13:57 UTC 2007

On Tuesday 30 October 2007 09:22:40 Rudy Zijlstra wrote:
> Janne Grunau wrote:
> > On Tuesday 30 October 2007 00:06:17 Rudy Zijlstra wrote:
> >> one remark: can you test in configure in case --enable-proc-opt is
> >> used, that gcc is version 4.2 or above? In all other cases the
> >> compile will succeed, but the execution will fail....
> >
> > please provide more details, at least the configure output. But
> > I'll check gcc4.2 on gentoo amd64 before committing.
> >
> > Janne
> No issues during configure time... But when running (this was with
> gcc 3.x (that computer is off at the moment), i got a runtime warning
> that ffmpeg needed gcc 4.2 if you compiled with proc-opt. It
> complained about a mis-compilation, stated 4.2 and higher were ok.
> The warning was followed by a segfault. This on a C2D.

I don't think that's generally the case. Was the error message 
about "misaligned stack"?

> I re-compiled without --enable-proc-opt and things worked.

That might be pure luck.


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