language: cpp

os:
  - osx
osx_image: xcode61

compiler:
  - gcc

before_install:
  - if [ $TRAVIS_OS_NAME == linux ]; then sudo apt-get update -qq && sudo apt-get install -y --no-install-recommends libglfw3-dev libglew-dev; fi
  - if [ $TRAVIS_OS_NAME == osx ]; then brew update && brew install glew && brew install glfw3; fi

script: 
  - cd examples/opengl_example && make
  - cd examples/opengl3_example && make