[matheus@Gentoo]$ emerge -av quake3
These are the packages that I would merge, in order:
Calculating dependencies ...done!
[ebuild R ] games-fps/quake3-1.32b-r3 -dedicated +opengl 0 kB
[matheus@Gentoo]$ cat /usr/portage/games-fps/quake3/quake3-1.32b-r3.ebuild | grep pak0
einfo "You need to copy pak0.pk3 from your Quake3 CD into ${dir}/baseq3."