These ebuilds come from http://github.com/sjnewbury/multilib-overlay.
If you have some problems, go to the official site first.
bug-buddy : A graphical bug reporting tool ( http://www.gnome.org/ )
evolution-data-server : Evolution groupware backend ( http://www.gnome.org/projects/evolution/ )
gtkhtml : Lightweight HTML Rendering/Printing/Editing Engine ( http://www.gnome.org/ )
libgsf : The GNOME Structured File Library ( http://www.gnome.org/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a multilib
For Paludis use this rsync : rsync://gentoo.zugaina.org/multilib-portage
If you have a problem : ycarus(-at-)zugaina.org