These ebuilds come from http://catmur.co.uk/gentoo/.
If you have some problems, go to the official site first.
glut : The OpenGL Utility Toolkit (GLUT) ( http://www.opengl.org/resources/libraries/ )
libcoaster : Central preferences control for CD burning applications ( http://www.coaster-burn.org/libcoaster/ )
libgpod : Shared library to access the contents of an iPod ( http://www.gtkpod.org/libgpod.html )
libipoddevice : device-specific layer for the Apple iPod ( http://banshee-project.org/Libipoddevice )
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