language: c
sudo: required
dist: xenial

os:
  - linux

compiler:
  - gcc
  - clang

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

script:
  - make -C demo/glfw_opengl2
  - make -C demo/glfw_opengl3
  - make -C example