Travis file that supports a CMakeLists file that uses Conan to build SFML

.travis.yml

language: cpp

before_script:
  - mkdir cmake
  - pushd cmake
  - wget https://cmake.org/files/v3.8/cmake-3.8.0-Linux-x86_64.sh
  - chmod +x cmake-*-Linux-x86_64.sh
  - ./cmake-*-Linux-x86_64.sh --exclude-subdir --skip-license
  - export PATH="${PWD}/bin:$PATH"
  - popd

  - pip install conan

matrix:
  include:
    # Regular linux build
    - os: linux
      compiler: clang++
      addons:
        apt:
          packages:
            - libc++-dev
            - libglew-dev
            - libsndfile1-dev
            - libopenal-dev
            - libfreetype6-dev
            - libx11-xcb-dev
            - udev
            - libudev-dev
            - libxcb-image0
            - libxcb-image0-dev
      script:
        - mkdir build
        - cd build
        - cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_FLAGS="${CMAKE_CXX_FLAGS} -stdlib=libc++" ..
        - make
        - make test