ruby -e “$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)”
brew tap osx-cross/avr
brew install avr-gcc
brew install avrdude –with-usb
참고
– https://github.com/osx-cross/homebrew-avr
– http://maxembedded.com/2015/06/setting-up-avr-gcc-toolchain-on-linux-and-mac-os-x/