emerge -sync
如果出現ARCH is not set的錯誤訊息
cd /etc
rm make.profile
ln -s ../usr/portage/profiles/default-linux/x86/2006.1 make.profile
如果出現ARCH is not set的錯誤訊息
cd /etc
rm make.profile
ln -s ../usr/portage/profiles/default-linux/x86/2006.1 make.profile