with and without boost

Want to check your code is tidy ?
clang-tidy-12  '-checks=*,-google-*,-fuchsia-*,-llvmlibc-*' src/**.cpp include/**.hpp  -- -Iinclude

Some reference here:
https://jrl-cmakemodules.readthedocs.io/en/master/pages/cmake-packages.html#minimal-working-example-with-cmake-packages

git submodule add https://github.com/jrl-umi3218/jrl-cmakemodules.git cmake

Usually, Gepetto's projects are BSD 2-Clause, and copyright is owned by CNRS