These ebuilds come from http://catmur.co.uk/gentoo/.
If you have some problems, go to the official site first.
cairomm : C++ bindings for the Cairo vector graphics library ( http://cairographics.org/ )
gnome-vfsmm : C++ bindings for gnome-vfs ( http://gtkmm.sourceforge.net/ )
libgtksourceviewmm : C++ bindings for gtksourceview ( http://home.gna.org/gtksourceviewmm/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a zugaina
For Paludis use this rsync : rsync://gentoo.zugaina.org/zugaina-portage
If you have a problem : ycarus(-at-)zugaina.org