update ycm for gcc 7.2 and latest arduino

Author: ladislas

.ycm_extra_conf.py

@@ -3,9 +3,8 @@
 
 # You can set a directory with a lot of libraries to be search recursively here
 ArduinoLibDir = [
- "/Applications/Arduino.app/Contents/Resources/Java/libraries"
- ,"/Applications/Arduino.app/Contents/Java/libraries"
- ,"/Applications/Arduino.app/Contents/Java/hardware/arduino/avr/libraries"
+ # "/Applications/Arduino.app/Contents/Java/libraries"
+ "/Applications/Arduino.app/Contents/Java/hardware/arduino/avr/libraries"
 ]
 
 # This is the list of all directories to search for header files
@@ -18,35 +17,21 @@
  ,'-Werror'
 
  ,'-Wno-attributes'
- ,'-std=c++11'
+ ,'-std=c++17'
  ,'-x'
  ,'c++'
 
- # Avr-libc flags for 1.8.0 and 1.8.1 installed with homebrew
- # You can deleted the one you don't need
- ,'-isystem/usr/local/Cellar/avr-libc/1.8.0/avr/include'
- ,'-isystem/usr/local/Cellar/avr-libc/1.8.1/avr/include'
+ # Avr-libc flags installed with homebrew
+ ,"-isystem/usr/local/Cellar/avr-gcc/7.2.0/avr/include"
 
- # Arduino libs flags when downloaded from the arduino website
- # IDE 1.0.6
- ,'-I/Applications/Arduino.app/Contents/Resources/Java/hardware/arduino/cores/arduino'
- ,'-I/Applications/Arduino.app/Contents/Resources/Java/hardware/arduino/variants/mega'
  # IDE 1.6.3
  ,'-I/Applications/Arduino.app/Contents/Java/hardware/arduino/avr/cores/arduino'
  ,'-I/Applications/Arduino.app/Contents/Java/hardware/arduino/avr/variants/mega'
 
- # Arduino libs flags when installed with brew cask or if the path is not the regular one
- # Beware, the version number can change
- # ,'-I/opt/homebrew-cask/Caskroom/arduino/1.0.6/Arduino.app/Contents/Resources/Java/hardware/arduino/cores/arduino'
- # ,'-I/opt/homebrew-cask/Caskroom/arduino/1.0.6/Arduino.app/Contents/Resources/Java/hardware/arduino/variants/mega'
-
- # You can add custom libraries here, but note that the script will automatically scan the 'lib' directory.
- ,'-I./lib/MyFirstLib'
-
- # Customize microcontroler and Arduino version
+ # Customize microcontroler and Arduino version
  ,'-mmcu=atmega2560'
  ,'-DF_CPU=16000000L'
- ,'-DARDUINO=163'
+ ,'-DARDUINO=183'
  ,'-D__AVR__'
  ,'-D__AVR_ATmega2560__'