clojure : Clojure is a dynamic programming language that targets the Java Virtual Machine. ( http://clojure.org/ )
clojure-contrib : User contributed packages for Clojure. ( http://code.google.com/p/clojure-contrib/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a java
For Paludis use this rsync : rsync://gentoo.zugaina.org/java-portage
If you have a problem : ycarus(-at-)zugaina.org