On Tue, 10 Apr 2007 16:10:40 -0300 Davi <davividal@siscompar.com.br>
wrote:
> How can I rebuild my system with O2?? =P
> 
> I've configured my system with O3 and the HD space is going out... =P

Change your CFLAGS to have -O2 instead of -O3 and then run
"emerge -e world". If you don't have enough space then unmerge some
unneeded stuff before reemerging world.

Cheers,
Renat

-- 
Probleme kann man niemals mit derselben Denkweise loesen,
durch die sie entstanden sind.
                                              (Einstein)