Arduino: 1.8.4 (Linux), Board: "Arduino Leonardo" /home/pi/Downloads/arm/arduino-1.8.4/arduino-builder -dump-prefs -logger=machine -hardware /home/pi/Downloads/arm/arduino-1.8.4/hardware -tools /home/pi/Downloads/arm/arduino-1.8.4/tools-builder -tools /home/pi/Downloads/arm/arduino-1.8.4/hardware/tools/avr -built-in-libraries /home/pi/Downloads/arm/arduino-1.8.4/libraries -libraries /home/pi/Arduino/libraries -fqbn=arduino:avr:leonardo -vid-pid=0X2341_0X8036 -ide-version=10804 -build-path /tmp/arduino_build_236839 -warnings=none -build-cache /tmp/arduino_cache_503905 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.avr-gcc.path=/home/pi/Downloads/arm/arduino-1.8.4/hardware/tools/avr -prefs=runtime.tools.avrdude.path=/home/pi/Downloads/arm/arduino-1.8.4/hardware/tools/avr -prefs=runtime.tools.arduinoOTA.path=/home/pi/Downloads/arm/arduino-1.8.4/hardware/tools/avr -verbose /home/pi/Arduino/sketch_dec10a/sketch_dec10a.ino /home/pi/Downloads/arm/arduino-1.8.4/arduino-builder -compile -logger=machine -hardware /home/pi/Downloads/arm/arduino-1.8.4/hardware -tools /home/pi/Downloads/arm/arduino-1.8.4/tools-builder -tools /home/pi/Downloads/arm/arduino-1.8.4/hardware/tools/avr -built-in-libraries /home/pi/Downloads/arm/arduino-1.8.4/libraries -libraries /home/pi/Arduino/libraries -fqbn=arduino:avr:leonardo -vid-pid=0X2341_0X8036 -ide-version=10804 -build-path /tmp/arduino_build_236839 -warnings=none -build-cache /tmp/arduino_cache_503905 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.avr-gcc.path=/home/pi/Downloads/arm/arduino-1.8.4/hardware/tools/avr -prefs=runtime.tools.avrdude.path=/home/pi/Downloads/arm/arduino-1.8.4/hardware/tools/avr -prefs=runtime.tools.arduinoOTA.path=/home/pi/Downloads/arm/arduino-1.8.4/hardware/tools/avr -verbose /home/pi/Arduino/sketch_dec10a/sketch_dec10a.ino Using board 'leonardo' from platform in folder: /home/pi/Downloads/arm/arduino-1.8.4/hardware/arduino/avr Using core 'arduino' from platform in folder: /home/pi/Downloads/arm/arduino-1.8.4/hardware/arduino/avr Detecting libraries used... "/home/pi/Downloads/arm/arduino-1.8.4/hardware/tools/avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -flto -w -x c++ -E -CC -mmcu=atmega32u4 -DF_CPU=16000000L -DARDUINO=10804 -DARDUINO_AVR_LEONARDO -DARDUINO_ARCH_AVR -DUSB_VID=0x2341 -DUSB_PID=0x8036 '-DUSB_MANUFACTURER="Unknown"' '-DUSB_PRODUCT="Arduino Leonardo"' "-I/home/pi/Downloads/arm/arduino-1.8.4/hardware/arduino/avr/cores/arduino" "-I/home/pi/Downloads/arm/arduino-1.8.4/hardware/arduino/avr/variants/leonardo" "/tmp/arduino_build_236839/sketch/sketch_dec10a.ino.cpp" -o "/dev/null" "/home/pi/Downloads/arm/arduino-1.8.4/hardware/tools/avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -flto -w -x c++ -E -CC -mmcu=atmega32u4 -DF_CPU=16000000L -DARDUINO=10804 -DARDUINO_AVR_LEONARDO -DARDUINO_ARCH_AVR -DUSB_VID=0x2341 -DUSB_PID=0x8036 '-DUSB_MANUFACTURER="Unknown"' '-DUSB_PRODUCT="Arduino Leonardo"' "-I/home/pi/Downloads/arm/arduino-1.8.4/hardware/arduino/avr/cores/arduino" "-I/home/pi/Downloads/arm/arduino-1.8.4/hardware/arduino/avr/variants/leonardo" "-I/home/pi/Arduino/libraries/Cayenne" "/tmp/arduino_build_236839/sketch/sketch_dec10a.ino.cpp" -o "/dev/null" "/home/pi/Downloads/arm/arduino-1.8.4/hardware/tools/avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -flto -w -x c++ -E -CC -mmcu=atmega32u4 -DF_CPU=16000000L -DARDUINO=10804 -DARDUINO_AVR_LEONARDO -DARDUINO_ARCH_AVR -DUSB_VID=0x2341 -DUSB_PID=0x8036 '-DUSB_MANUFACTURER="Unknown"' '-DUSB_PRODUCT="Arduino Leonardo"' "-I/home/pi/Downloads/arm/arduino-1.8.4/hardware/arduino/avr/cores/arduino" "-I/home/pi/Downloads/arm/arduino-1.8.4/hardware/arduino/avr/variants/leonardo" "-I/home/pi/Arduino/libraries/Cayenne" "/tmp/arduino_build_236839/sketch/sketch_dec10a.ino.cpp" -o "/tmp/arduino_build_236839/preproc/ctags_target_for_gcc_minus_e.cpp" In file included from /home/pi/Arduino/sketch_dec10a/sketch_dec10a.ino:1:0: /home/pi/Arduino/libraries/Cayenne/BlynkSimpleShieldEsp8266_SoftSer.h:27:29: fatal error: ESP8266_SoftSer.h: No such file or directory #include ^ compilation terminated. Using library Cayenne at version 1.0.2 in folder: /home/pi/Arduino/libraries/Cayenne exit status 1 Error compiling for board Arduino Leonardo.