abseil-cpp : Abseil Common Libraries (C++), LTS Branch ( https://abseil.io/ )
ada : WHATWG-compliant and fast URL parser written in modern C++ ( https://github.com/ada-url/ada )
cppgir : GObject-Introspection C++ binding wrapper generator ( https://gitlab.com/mnauw/cppgir )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a mim
For Paludis use this rsync : rsync://gentoo.zugaina.org/mim-portage
If you have a problem : ycarus(-at-)zugaina.org