.travis.yml

# C++ project
language: cpp
dist: trusty
rvm:
  - 2.3

matrix:
  include:
    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - gcc-5
            - g++-5
      env:
         - MATRIX_EVAL="CC=gcc-5 && CXX=g++-5"

    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - gcc-6
            - g++-6
      env:
        - MATRIX_EVAL="CC=gcc-6 && CXX=g++-6"

    # works on Precise and Trusty
    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - gcc-7
            - g++-7
      env:
        - MATRIX_EVAL="CC=gcc-7 && CXX=g++-7"

    # works on Precise and Trusty
    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - gcc-8
            - g++-8
      env:
        - MATRIX_EVAL="CC=gcc-8 && CXX=g++-8"

    - os: osx
      osx_image: xcode9
      env:
        - MATRIX_EVAL="CC=gcc && CXX=g++"

    - os: osx
      osx_image: xcode9.3
      env:
        - MATRIX_EVAL="brew search gcc;brew install gcc6; brew link --overwrite gcc@6 && gcc --version && CC=gcc && CXX=g++"

    - os: osx
      osx_image: xcode9
      env:
        - MATRIX_EVAL="CC=clang && CXX=clang++"

before_install:
    - eval "${MATRIX_EVAL}"


script:
  - env | egrep '^C'
  - which ${CXX} && ${CXX} --version
  - mkdir -p build && cd build
  - cmake ..
  - cat tests/build_machine.hpp
  - make VERBOSE=1
  - ctest -V -j
  - cd ..