После emerge –sync:
emerge -1 binutils
eselect binutls set #newbinutils
emerge -1 glibc
emerge -1 gcc
eselect gcc set #newgcc
А дальше
emerge -1 gcc
emerge -1 binutils
emerge -1 glibc
Далее
python-updater
emerge -uDN @system
emerge c;revdep-rebuild
emerge -e @system