language: node_js
addons:
  apt:
    sources:
      - ubuntu-toolchain-r-test
    packages:
      - g++-4.8
node_js:
# - node   # Latest
  - 10
  - 8      # LTS
  - 7.0
before_install:
  - if [[ $TRAVIS_OS_NAME == "linux" ]]; then export CXX=g++-4.8; fi