catch2 : Catch2 is mainly a unit testing framework for C++ ( https://github.com/catchorg/Catch2 )
easy_profiler : Lightweight cross-platform profiler library for c++ ( https://github.com/yse/easy_profiler )
entt : EnTT is a header-only, tiny and easy to use library for game programming and much more written in modern C++. ( https://github.com/skypjack/entt )
fast-cpp-csv-parser : This is a small, easy-to-use and fast header-only library for reading comma separated value (CSV) files. ( https://github.com/ben-strasser/fast-cpp-csv-parser )
plog : Portable, simple and extensible C++ logging library ( https://github.com/SergiusTheBest/plog )
properties-cpp : A very simple convenience library for handling properties and signals in C++11 ( https://github.com/lib-cpp/properties-cpp )
sdbus-cpp : High-level C++ D-Bus library for Linux ( https://github.com/Kistler-Group/sdbus-cpp/ )
simde : Implementations of SIMD instruction sets for systems which natively don't support them ( https://simd-everywhere.github.io/blog/ )
sol2 : sol2 is a C++ library binding to Lua ( https://github.com/ThePhD/sol2 )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a gamarouns
For Paludis use this rsync : rsync://gentoo.zugaina.org/gamarouns-portage
If you have a problem : ycarus(-at-)zugaina.org