[mythtv] configure --enable-proc-opt

Daniel Kristjansson danielk at cuymedia.net
Thu Sep 27 18:06:08 UTC 2007

On Thu, 2007-09-27 at 07:11 -0700, Yeechang Lee wrote:
> Daniel Kristjansson <danielk at cuymedia.net> says:
> > In 0.20-fixes, --disable-proc-opt it is still doing what was
> > intended. We always compile for a Pentium Pro CPU on any x86_32
> > processor, so that gcc can't be blamed for segfaults. With the
> > exception of mmx which we check for.
> I have an x86_64 CPU. How does the above apply to me? Does
> --enable-proc-opt do anything?

Nope, for a x86_64 cpu --enable-proc-opt does nothing. It's as
if the flag was always enabled on x86_64 CPU's. This flag was
initially created to allow P4 CPU's to decode HDTV. This flag
is also required to compile for many VIA and PowerPC processors,
without the use of the --cpu flag.

-- Daniel

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