These ebuilds come from https://github.com/funtoo/funtoo-overlay.
If you have some problems, go to the official site first.
guile : Scheme interpreter. Also The GNU extension language ( http://www.gnu.org/software/guile/ )
slib : A portable Scheme library providing compatibiliy and utility functions for all standard Scheme implementations ( http://people.csail.mit.edu/jaffer/SLIB )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a funtoo-overlay
For Paludis use this rsync : rsync://gentoo.zugaina.org/funtoo-overlay-portage
If you have a problem : ycarus(-at-)zugaina.org