+ - sudo apt-get install -qq cmake gcc-multilib libc6:i386 libgcc1:i386
+ - wget https://launchpad.net/gcc-arm-embedded/4.9/4.9-2015-q3-update/+download/gcc-arm-none-eabi-4_9-2015q3-20150921-linux.tar.bz2
+ - bzip2 -d gcc-arm-none-eabi-4_9-2015q3-20150921-linux.tar.bz2
+ - tar xfv gcc-arm-none-eabi-4_9-2015q3-20150921-linux.tar