These ebuilds come from https://github.com/gentoo-haskell.
If you have some problems, go to the official site first.
pronk : A library and command line app for HTTP load testing ( https://github.com/bos/pronk )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a haskell
For Paludis use this rsync : rsync://gentoo.zugaina.org/haskell-portage
If you have a problem : ycarus(-at-)zugaina.org