These ebuilds come from http://git.overlays.gentoo.org/gitweb/?p=dev/drizzt.git;a=summary.
If you have some problems, go to the official site first.
libherdstat : C++ library for portage-related things such as Gentoo XML, package searching, and version sorting ( http://developer.berlios.de/projects/libherdstat/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a drizzt
For Paludis use this rsync : rsync://gentoo.zugaina.org/drizzt-portage
If you have a problem : ycarus(-at-)zugaina.org