.travis.yml

dist:     trusty
sudo:     false

language: cpp       
    
matrix:
  include:
    # works on Precise and Trusty
    - os: linux
      dist: trusty
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - g++-4.9
      env:
        - MATRIX_EVAL="CC=gcc-4.9 && CXX=g++-4.9"

    - os: linux
      dist: xenial

    - os: linux
      dist: bionic

    #- os: linux
    #  compiler: clang
    #  env: 
    #    - MATRIX_EVAL="CC=clang-3.7 && CXX=clang++-3.7"
    #  addons:
    #    apt:
    #      sources: ['ubuntu-toolchain-r-test', 'llvm-toolchain-precise-3.7']
    #      packages: ['g++-6', 'clang-3.7']
  
    - os: linux
      compiler: clang
      env: 
        - MATRIX_EVAL="CC=clang-3.8 && CXX=clang++-3.8"
      addons:
        apt:
          sources: ['ubuntu-toolchain-r-test']
          packages: ['g++-6', 'clang-3.8']
  
    - os: linux
      compiler: clang
      env: 
        - MATRIX_EVAL="CC=clang-3.9 && CXX=clang++-3.9"
      addons:
        apt:
          sources: ['ubuntu-toolchain-r-test']
          packages: ['g++-6', 'clang-3.9']
  
    - os: linux
      compiler: clang
      env: 
        - MATRIX_EVAL="CC=clang-4.0 && CXX=clang++-4.0"
      addons:
        apt:
          sources: ['ubuntu-toolchain-r-test', 'llvm-toolchain-trusty-4.0']
          packages: ['g++-6', 'clang-4.0']
  
    - os: linux
      compiler: clang
      env: 
        - MATRIX_EVAL="CC=clang-5.0 && CXX=clang++-5.0"
      addons:
        apt:
          sources: ['ubuntu-toolchain-r-test', 'llvm-toolchain-trusty-5.0']
          packages: ['g++-6', 'clang-5.0']
  
    #- os: linux
    #  compiler: clang
    #  env: 
    #    - MATRIX_EVAL="CC=clang-6.0 && CXX=clang++-6.0"
    #  addons:
    #    apt:
    #      sources: ['ubuntu-toolchain-r-test', 'llvm-toolchain-trusty-6.0']
    #      packages: ['g++-6', 'clang-6.0']
  
    - os: linux
      compiler: clang
      env: 
        - MATRIX_EVAL="CC=clang-7 && CXX=clang++-7"
      addons:
        apt:
          sources: ['ubuntu-toolchain-r-test', 'llvm-toolchain-trusty-7']
          packages: ['g++-6', 'clang-7']

before_install:
  - eval "${MATRIX_EVAL}"
    
install:
  - pyenv global 3.6 || true # for trusty
  - pyenv global 3.7 || true # for xenial
  - pyenv global 3.7.1 || true # for bionic
  - pip install --user conan
  - conan profile new default --detect
  - conan profile update settings.compiler.libcxx=libstdc++11 default
  
script:
  - mkdir build
  - cd build
  - cmake .. -DCMAKE_BUILD_TYPE=Release
  - cmake --build .