Re: [gentoo-user] libvisual error

[Colleen Beamer <colleen.beamer@gmail.com>]

Hey Richard,

Richard Fish wrote:
> On 9/5/06, Colleen Beamer <colleen.beamer@gmail.com> wrote:
>> ./libvisual -DPLUGPATH=\"/usr/lib/libvisual\" -O2 -march=i686 -pipe -MT
>> lv_video_mmx.lo -MD -MP -MF .deps/lv_video_mmx.Tpo -c lv_video_mmx.c
>> -fPIC -DPIC -o .libs/lv_video_mmx.o
> 
> -march=i686 means old Pentium Pro CPUs, without mmx, sse, etc.  What
> processor are you actually using?  I suspect you'll want
> -march=pentium4, but better report your /proc/cpuinfo to be sure.
> 
> -Richard

As requested, this line is from /proc/cpuinfo, but I could have told you
that this was a Pentium 4 since I built the machine.

model name      : Intel(R) Pentium(R) 4 CPU 2.80GHz


Despite how this looks, I'm not exactly an idiot. :-)  When I first
installed Gentoo, (okay, maybe back then I *was* and idiot), I read the
Handbook and somehow got the impression that if I wanted backward
compatibility, that I should set -march= lower than what I actually had.
 Maybe I misinterpreted?

Can I change this without having to go through the whole process of
rebuilding my system again?

However, and again I have to say why? .... This is the same machine that
I build Gentoo on a bit over a year ago.  Granted, it was a different
kernel, different gcc, but why all of a sudden can't I install libvisual
with the -march=686 when this is what I've been using all along and I
never had any problems install libvisual before?

Regards,

Colleen


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