libbacklight : Linux backlight interface library ( http://cgit.freedesktop.org/libbacklight/ )
protobuf-c : C bindings for Google's Protocol Buffers ( http://protobuf-c.googlecode.com/" SRC_URI="${HOMEPAGE}/files/${P}.tar.gz )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a benf
For Paludis use this rsync : rsync://gentoo.zugaina.org/benf-portage
If you have a problem : ycarus(-at-)zugaina.org