esteam : Scan Steam libraries to generate and emerge a Portage set ( https://github.com/anyc/steam-overlay )
steam-client-meta : Meta package for Valve's native Steam client ( http://steampowered.com )
steam-launcher : Installer, launcher and supplementary files for Valve's Steam client ( https://store.steampowered.com )
steam-meta : Meta package for Valve's Steam environment ( https://steampowered.com )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a steam-overlay
For Paludis use this rsync : rsync://gentoo.zugaina.org/steam-overlay-portage
If you have a problem : ycarus(-at-)zugaina.org