language: node_js
node_js:
    - "12"
    - "10"
    - "8"
git:
    submodules: false
before_install:
    - sed -i 's/git@github.com:/https:\/\/github.com\//' .gitmodules
    - git submodule update --init --recursive
before_script:
    - npm install -g grunt-cli
env:
    - CXX=g++-4.8
addons:
    apt:
        sources:
            - ubuntu-toolchain-r-test
        packages:
            - g++-4.8