These ebuilds come from https://github.com/microcai/gentoo-zh.
If you have some problems, go to the official site first.
gio-sharp : a branch of the official gtk#/gio to get gio# building on gtk# 2.12 ( http://gitorious.org/gio-sharp )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a gentoo-zh
For Paludis use this rsync : rsync://gentoo.zugaina.org/gentoo-zh-portage
If you have a problem : ycarus(-at-)zugaina.org