# Fetch yaml-cpp include(FetchContent) FetchContent_Declare( yaml-cpp URL https://github.com/jbeder/yaml-cpp/archive/28f93bdec6387d42332220afa9558060c8016795.tar.gz DOWNLOAD_EXTRACT_TIMESTAMP true ) FetchContent_MakeAvailable(yaml-cpp) message("Fetched yaml-cpp source code from Github: ${yaml-cpp_SOURCE_DIR}")