boost : Boost Libraries for C++ ( http://www.boost.org/ )
crypto++ : C++ class library of cryptographic schemes ( http://cryptopp.com )
libx86 : A hardware-independent library for executing real-mode x86 code ( https://www.codon.org.uk/~mjg59/libx86/ )
weston : Wayland reference compositor ( https://wayland.freedesktop.org/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a ennui
For Paludis use this rsync : rsync://gentoo.zugaina.org/ennui-portage
If you have a problem : ycarus(-at-)zugaina.org