Re: [gentoo-user] OT: i7-6700, anyone already?

[waltdnes@waltdnes.org]

On Thu, Dec 10, 2015 at 07:46:51AM +0100, Stefan G. Weichinger wrote
> Am 10.12.2015 um 05:50 schrieb waltdnes@waltdnes.org:
> 
> > CFLAGS="-O2 -march=native -fomit-frame-pointer -pipe -fno-unwind-tables -fno-asynchronous-unwind-tables"
> > 
> >   That's what I use, except for cross-compiling.  For an explanation of
> > the "unwind" flags, see thread...
> > http://comments.gmane.org/gmane.linux.busybox/36695  from the busybox
> > mailing list.  And don't forget CPU_FLAGS_X86.  Emerge and run
> > app-portage/cpuinfo2cpuflags as soon as you can during the install
> > process.  I believe that's right after running "eselect profile".  And
> > then run "emerge system && emerge world".  It's a lot quicker when you
> > don't have very much installed on the machine.
> 
> did not know that tool, thanks.
> Will try on my existing box already.
> 
> Do I have to set that variable then (in make.conf?) ?

  Yes, you should.  While you're at it, you can remove the corresponding
flags from the USE= variable.  I don't know if they're honored by
portage any longer.  I assume you missed the news item back in January.
It's archived and you can read it at...
https://www.gentoo.org/support/news-items/2015-01-28-cpu_flags_x86-introduction.html

-- 
Walter Dnes <waltdnes@waltdnes.org>
I don't run "desktop environments"; I run useful applications