These ebuilds come from http://sugarlabs.org/go/Community/Distributions/Gentoo.
If you have some problems, go to the official site first.
squeak : Sugar specific branch of Squeak ( http://squeakvm.org/svn/squeak/branches/olpc/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a sugar
For Paludis use this rsync : rsync://gentoo.zugaina.org/sugar-portage
If you have a problem : ycarus(-at-)zugaina.org