.travis.yml

language: cpp

matrix:
  include:
    # gcc
    - os: linux
      dist: bionic
      sudo: required
      compiler: gcc
      addons:
        apt:
          sources:
             - ubuntu-toolchain-r-test
          packages:
             - cmake-data
             - cmake
             - gcc-5
             - g++-5
      env:
        - MATRIX_EVAL="CC=gcc-5 && CXX=g++-5"
    - os: linux
      dist: bionic
      sudo: required
      compiler: gcc
      addons:
        apt:
          sources:
             - ubuntu-toolchain-r-test
          packages:
             - cmake-data
             - cmake
             - gcc-6
             - g++-6
      env:
        - MATRIX_EVAL="CC=gcc-6 && CXX=g++-6"
    - os: linux
      dist: bionic
      sudo: required
      compiler: gcc
      addons:
        apt:
          sources:
             - ubuntu-toolchain-r-test
          packages:
             - cmake-data
             - cmake
             - gcc-7
             - g++-7
      env:
        - MATRIX_EVAL="CC=gcc-7 && CXX=g++-7"
    - os: linux
      dist: bionic
      sudo: required
      compiler: gcc
      addons:
        apt:
          sources:
             - ubuntu-toolchain-r-test
          packages:
             - cmake-data
             - cmake
             - gcc-8
             - g++-8
      env:
        - MATRIX_EVAL="CC=gcc-8 && CXX=g++-8"
    - os: linux
      dist: bionic
      sudo: required
      compiler: gcc
      addons:
        apt:
          sources:
             - ubuntu-toolchain-r-test
          packages:
             - cmake-data
             - cmake
             - gcc-9
             - g++-9
      env:
        - MATRIX_EVAL="CC=gcc-9 && CXX=g++-9"
    # clang
    - os: linux
      dist: bionic
      sudo: required
      compiler: clang
      addons:
        apt:
          sources:
             - ubuntu-toolchain-r-test
             - llvm-toolchain-bionic-9
          packages:
             - cmake-data
             - cmake
             - clang-7
             - clang++-7
      env:
        - MATRIX_EVAL="CC=clang-7 && CXX=clang++-7"
    - os: linux
      dist: bionic
      sudo: required
      compiler: clang
      addons:
        apt:
          sources:
             - ubuntu-toolchain-r-test
             - llvm-toolchain-bionic-9
          packages:
             - cmake-data
             - cmake
             - clang-8
             - clang++-8
      env:
        - MATRIX_EVAL="CC=clang-8 && CXX=clang++-8"
    - os: linux
      dist: bionic
      sudo: required
      compiler: clang
      addons:
        apt:
          sources:
             - ubuntu-toolchain-r-test
             - llvm-toolchain-bionic-9
          packages:
             - cmake-data
             - cmake
             - clang-9
             - clang++-9
      env:
        - MATRIX_EVAL="CC=clang-9 && CXX=clang++-9"

before_install:
  - eval "${MATRIX_EVAL}"

install:
  ############################################################################
  #  All the dependencies are installed in ${HOME}/deps/
  ############################################################################
  - DEPS_DIR="${HOME}/deps"
  - mkdir -p ${DEPS_DIR} && cd ${DEPS_DIR}

  ############################################################################
  # Install a recent CMake.
  ############################################################################
  - |
    if [[ "${TRAVIS_OS_NAME}" == "linux" ]]; then
      CMAKE_URL="https://cmake.org/files/v3.13/cmake-3.13.0-Linux-x86_64.tar.gz"
      mkdir cmake && travis_retry wget --no-check-certificate --quiet -O - ${CMAKE_URL} | tar --strip-components=1 -xz -C cmake
      export PATH=${DEPS_DIR}/cmake/bin:${PATH}
    fi

  ############################################################################
  # Check the versions of installed packages.
  ############################################################################
  - echo ${CC}
  - echo ${CXX}
  - ${CXX} --version
  - cmake --version

before_script:
  ############################################################################
  # Go back to the root of the project and setup the build directory
  ############################################################################
  - cd "${TRAVIS_BUILD_DIR}"
  - install -d build
  - cd build

script:
  - cmake -DCMAKE_C_COMPILER=${CC} -DCMAKE_CXX_COMPILER=${CXX} -DPLUCKER_BUILD_TESTING=ON ..
  - make VERBOSE=1
  - ctest -V