amd-adl-sdk : API to access display driver functionality for ATI graphics cards ( http://developer.amd.com/sdks/adlsdk/ )
cairo : A vector graphics library with cross-device output support ( http://cairographics.org/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a oiledmachine
For Paludis use this rsync : rsync://gentoo.zugaina.org/oiledmachine-portage
If you have a problem : ycarus(-at-)zugaina.org