language: cpp

os:
  - linux
  - osx

compiler:
  - gcc
  - clang

before_install:
  - if [ $TRAVIS_OS_NAME == linux ]; then 
       sudo apt-get update -qq
       sudo apt-get install -y --no-install-recommends libxrandr-dev libxi-dev libxxf86vm-dev libsdl2-dev 
       wget https://github.com/glfw/glfw/releases/download/3.2.1/glfw-3.2.1.zip
       unzip glfw-3.2.1.zip && cd glfw-3.2.1;
       cmake -DCMAKE_INSTALL_PREFIX=$HOME -DBUILD_SHARED_LIBS=true -DGLFW_BUILD_EXAMPLES=false -DGLFW_BUILD_TESTS=false -DGLFW_BUILD_DOCS=false .;
       sudo make -j $CPU_NUM install && cd ..
    fi
  - if [ $TRAVIS_OS_NAME == osx ]; then 
       brew update
       brew install glfw3
       brew install sdl2
    fi

script: 
  - make -C examples/opengl2_example
  - make -C examples/opengl3_example
  - make -C examples/sdl_opengl3_example