include(FetchContent) if(NOT DEFINED FTXUI_REPO) set(FTXUI_REPO https://github.com/ArthurSonzogni/ftxui.git) endif () FetchContent_Declare( ftxui EXCLUDE_FROM_ALL GIT_REPOSITORY ${FTXUI_REPO} GIT_TAG v5.0.0 GIT_SHALLOW TRUE ) FetchContent_MakeAvailable(ftxui)