set(ARDUINO_DEFAULT_BOARD uno CACHE STRING "Default Arduino Board ID when not specified.")
set(ARDUINO_DEFAULT_PORT CACHE STRING "Default Arduino port when not specified.")
set(ARDUINO_DEFAULT_SERIAL CACHE STRING "Default Arduino Serial command when not specified.")
set(ARDUINO_DEFAULT_PROGRAMMER CACHE STRING "Default Arduino Programmer ID when not specified.")
set(ARDUINO_CMAKE_RECURSION_DEFAULT FALSE CACHE BOOL
        "The default recursion behavior during library setup")
