--target=avr
-D
__AVR_ATmega2560__
-D
F_CPU=16000000UL
-D
_WIZCHIP_=W5100
-I
/usr/lib/avr/include
-I
Internet
-I
Internet/MQTT
-I
Internet/MQTT/MQTTPacket/src
-I
Ethernet
-I
Ethernet/W5500