hardened-sources : Hardened kernel sources (kernel series ${KV_MAJOR}.${KV_MINOR}) ( http://www.gentoo.org/proj/en/hardened/ )
vanilla-drm-next-sources : Full sources for the Linux kernel drm-next branch ( http://www.kernel.org )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a robbat2
For Paludis use this rsync : rsync://gentoo.zugaina.org/robbat2-portage
If you have a problem : ycarus(-at-)zugaina.org