flac : free lossless audio encoder and decoder ( http://flac.sourceforge.net )
opengl-apple : Links to Apple's OpenGL X11 implementation ( http://www.apple.com/ )
raspberrypi-userland : Raspberry Pi userspace tools and libraries ( https://github.com/raspberrypi/userland )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a srcshelton
For Paludis use this rsync : rsync://gentoo.zugaina.org/srcshelton-portage
If you have a problem : ycarus(-at-)zugaina.org