cling : Interactive C++ interpreter, built on the top of LLVM and Clang libraries ( https://root.cern/cling/ )
xeus-cling : Jupyter kernel for the C++ programming language ( https://github.com/jupyter-xeus/xeus-cling )
xeus-zmq : ZeroMQ-based middleware for xeus ( https://github.com/jupyter-xeus/xeus-zmq )
xproperty : Traitlets-like C++ properties and implementation of the observer pattern ( https://github.com/jupyter-xeus/xproperty )
xtensor : C++ tensors with broadcasting and lazy computing ( https://github.com/xtensor-stack/xtensor )
xwidgets : C++ backend for Jupyter interactive widgets ( https://github.com/jupyter-xeus/xwidgets )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a phackerlay
For Paludis use this rsync : rsync://gentoo.zugaina.org/phackerlay-portage
If you have a problem : ycarus(-at-)zugaina.org