You should be able to build and include boost json as a standalone subproject in CMake if you are using C++17. (Or also possible to use as header only lib)
It gets far more complicated with C++11, since you also need a ton of other boost modules there.
It gets far more complicated with C++11, since you also need a ton of other boost modules there.
For more Details you can read the Readme of it. https://github.com/boostorg/json