"/usr/local/arduino/tools-builder/arm-none-eabi-gcc/4.9.2/bin/arm-none-eabi-gcc" -mcpu=cortex-m3 -mthumb -Os -Wl,--gc-sections "-T/usr/local/arduino/hardware/arduino/sam/variants/arduino_due_x/linker_scripts/gcc/flash.ld" "-Wl,-Map,/tmp/arduino_build_126857/wifi-actor.ino.map" -o "/tmp/arduino_build_126857/wifi-actor.ino.elf" "-L/tmp/arduino_build_126857" -Wl,--cref -Wl,--check-sections -Wl,--gc-sections -Wl,--entry=Reset_Handler -Wl,--unresolved-symbols=report-all -Wl,--warn-common -Wl,--warn-section-align -Wl,--start-group -u _sbrk -u link -u _close -u _fstat -u _isatty -u _lseek -u _read -u _write -u _exit -u kill -u _getpid "/tmp/arduino_build_126857/sketch/wifi-actor.ino.cpp.o" "/tmp/arduino_build_126857/libraries/OneWire-master/OneWire.cpp.o" "/tmp/arduino_build_126857/libraries/Arduino-Temperature-Control-Library-master/DallasTemperature.cpp.o" "/tmp/arduino_build_126857/libraries/Arduino-Temperature-Control-Library-master/OneWire.cpp.o" "/tmp/arduino_build_126857/libraries/LiquidCrystal/LiquidCrystal.cpp.o" "/tmp/arduino_build_126857/core/variant.cpp.o" "/usr/local/arduino/hardware/arduino/sam/variants/arduino_due_x/libsam_sam3x8e_gcc_rel.a" "/tmp/arduino_build_126857/core/core.a" -Wl,--end-group -lm -gcc arm-none-eabi-gcc: error: unrecognized debug output level 'cc'