set(ARDUINO_BASE_LIBDIR /opt/arduino-1.8.5)
set(ARDUINO_SAMD_DIR /home/yvan/.arduino15/packages/arduino/hardware/samd/1.6.16)

set(ARDUINO_INCLUDE_DIRS
    ${ARDUINO_SAMD_DIR}/cores/arduino
    ${ARDUINO_SAMD_DIR}/libraries/SPI
    ${ARDUINO_BASE_LIBDIR}/libraries/Ethernet/src
    )