os:
  - linux
sudo: false
language: cpp
addons:
  apt:
    sources:
    - ubuntu-toolchain-r-test
    packages:
    - g++-4.8
env:
  matrix:
  - TRAVIS_NODE_VERSION="6"
  - TRAVIS_NODE_VERSION="8"
  - TRAVIS_NODE_VERSION="10"
  - TRAVIS_NODE_VERSION="12"
install:
  - rm -rf ~/.nvm && git clone https://github.com/creationix/nvm.git ~/.nvm && (cd ~/.nvm && git checkout `git describe --abbrev=0 --tags`) && source ~/.nvm/nvm.sh && nvm install $TRAVIS_NODE_VERSION
  - if [[ $TRAVIS_NODE_VERSION == "0.8" ]]; then npm install npm@2 && node_modules/.bin/npm install npm; else npm install npm; fi
  - mv node_modules npm
  - npm/.bin/npm --version
  - if [[ $TRAVIS_OS_NAME == "linux" ]]; then export CXX=g++-4.8; fi
  - $CXX --version
  - npm/.bin/npm install
  - node_modules/.bin/node-gyp rebuild
script: "true"