cmake_minimum_required(VERSION 3.6) project(GAME) # SDL sources are in a subfolder named "SDL" add_subdirectory(SDL) # Compilation of companion libraries #add_subdirectory(SDL_image) #add_subdirectory(SDL_mixer) #add_subdirectory(SDL_ttf) # Your game and its CMakeLists.txt are in a subfolder named "src" add_subdirectory(src)