libpredict : A satellite orbit prediction library ( https://github.com/la1k/libpredict )
librs232 : multiplatform library for serial communications over RS-232 (serial port) ( https://github.com/srdgame/librs232 )
libsigc++ : Typesafe callback system for standard C++ ( http://libsigc.sourceforge.net/ )
libusb : Userspace access to USB devices ( http://libusb.sourceforge.net/ )
olm : An implementation of the Double Ratchet cryptographic ratchet in C++ ( https://gitlab.matrix.org/matrix-org/olm/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a booboo
For Paludis use this rsync : rsync://gentoo.zugaina.org/booboo-portage
If you have a problem : ycarus(-at-)zugaina.org