Awesome
This is the source code for the Using CMake and managing dependencies.
It shows how to setup a simple project which depends on SFML, Dear ImGui and ImGui-SFML.
Building
git clone https://github.com/eliasdaler/cmake-fetchcontent-tutorial-code
mkdir build && cd build
cmake ../cmake-fetchcontent-tutorial-code
cmake --build .
./src/example_exe # or ./src/Debug/example_exe if using Visual Studio