add_subdirectory(gui) set(SOURCES ${SOURCES} ${CMAKE_CURRENT_SOURCE_DIR}/menuState.cpp ${CMAKE_CURRENT_SOURCE_DIR}/menuState.h ${CMAKE_CURRENT_SOURCE_DIR}/developerScreen.cpp ${CMAKE_CURRENT_SOURCE_DIR}/developerScreen.h ${CMAKE_CURRENT_SOURCE_DIR}/exitScreen.cpp ${CMAKE_CURRENT_SOURCE_DIR}/exitScreen.h PARENT_SCOPE)