On 16-05-2007 21:35:27 +0900, MATSUI Fe2+ Tetsushi wrote:
> > Is there something like a rule that this nococo or
which one you
> > mentioned is always wrong, and the other should be
used? I think we
> > inject either of the two in the profiles for the
moment, but maybe we
> > need a x86_64 profile as well then?
>
> My information source about CPU types was:
> http://
gentoo-wiki.com/HARDWARE_Apple_MacBook
> which tells that Core 2 Duo is nocona while Core Duo is
prescott.
> I'm not sure there could be an automagical way to set
proper CFLAGS.
> I guess a note on the bootstrapping guide may help new
comers.
Ok, well the problem at hand is the following:
from
profiles/default-prefix/darwin/macos/10.4/x86/make.defaults:
# set arch to prescott for all MacTel users, as this enables
SSE and MMX
# support in GCC
CFLAGS="-march=prescott"
That's just an incorrect default if you want to build x86_64
code, and
should be nocona for a successful build. I remember this
was added to
the profile just because it was necessary to build certain
applications
correctly.
I'm not sure what is the best/correct action to take here.
Thanks for the information though!
--
Fabian Groffen
Gentoo on a different level
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