depends cmake
depends freeglut

optional_depends SDL2_image "-DENABLE_SDL=ON" "-DENABLE_SDL=OFF" "SDL support (required for fife)"
optional_depends SDL2_ttf "-DENABLE_SDL_CONTRIB=ON" "-DENABLE_SDL_CONTRIB=OFF" \
                          "SDL contrib support"
optional_depends allegro-4 "-DENABLE_ALLEGRO=ON" "-DENABLE_ALLEGRO=OFF" "Allegro support"
optional_depends %GLX "-DENABLE_OPENGL=ON" "-DENABLE_OPENGL=OFF" "OpenGL support (required for fife)"
