.travis.yml

# Build matrix
language: node_js
matrix:
  include:

    # Lint only in Node.js 0.10
    - node_js: '0.10'
      env: LINT=true

    # Run tests in Node.js 0.10
    - node_js: '0.10'

    # Run tests in Node.js 0.12
    - node_js: '0.12'

    # Run tests in Node.js 4.x (dependencies require GCC 4.8)
    - node_js: '4'
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - gcc-4.8
            - g++-4.8

    # Run tests in Node.js 5.x (dependencies require GCC 4.8)
    - node_js: '5'
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - gcc-4.8
            - g++-4.8

# Restrict builds on branches
branches:
  only:
    - master
    - /^\d+\.\d+\.\d+$/

# Before install
before_install:
  # Use GCC 4.8 if it's available
  - 'if [ ! `which gcc-4.8` == "" ]; then export CXX=g++-4.8 && export CC=gcc-4.8; fi'
  # Install coveralls
  - npm install coveralls

# Build script
script:
  - 'if [ $LINT ]; then make lint; fi'
  - 'if [ ! $LINT ]; then make lcov-levels; fi'
  - 'if [ ! $LINT ]; then cat ./coverage/lcov.info | ./node_modules/.bin/coveralls; fi'