libdigidocpp : DigiDoc digital signature library ( https://open-eid.github.io )
libdispatch : A library for concurrent code execution on multicore hardware ( https://swift.org )
libraqm : A library for complex text layout ( https://github.com/HOST-Oman/libraqm )
xml-security-c : Apache C++ XML security libraries ( https://santuario.apache.org/ )
xmlbird : XML parser for Vala and C programs ( https://birdfont.org/xmlbird.php )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a 4nykey
For Paludis use this rsync : rsync://gentoo.zugaina.org/4nykey-portage
If you have a problem : ycarus(-at-)zugaina.org