- - sudo apt-add-repository 'deb http://archive.ubuntu.com/ubuntu trusty main universe multiverse restricted'
- - sudo apt-get update -qq
- - sudo apt-get install -y gcc-arm-none-eabi
+ - if [ "$TRAVIS_OS_NAME" = "linux" ]; then
+ - sudo apt-add-repository 'deb http://archive.ubuntu.com/ubuntu trusty main universe multiverse restricted';
+ - sudo apt-get update -qq;
+ - sudo apt-get install -y gcc-arm-none-eabi;