.travis.yml

language: cpp
sudo: false

# ignore tags
branches:
  except:
    - /^v[0-9]/

matrix:
  include:
    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - g++-8
            - lcov
      env:
        - MATRIX_EVAL="CXX=g++-8 && BUILD_TYPE=Coverage"

    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
            - llvm-toolchain-trusty-6.0
            - sourceline: 'deb http://apt.llvm.org/trusty/ llvm-toolchain-trusty-6.0 main'
              key_url: 'https://apt.llvm.org/llvm-snapshot.gpg.key'
          packages:
            - clang-6.0
            - libstdc++-8-dev
      env:
        - MATRIX_EVAL="CXX=clang++-6.0 && BUILD_TYPE=Release"

    - os: osx
      osx_image: xcode9.4
      env:
        - MATRIX_EVAL="CC=clang && CXX=clang++ && BUILD_TYPE=Release"
      cache:
        directories:
          - /usr/local/Cellar/llvm@7/7.0.1
        timeout: 1000

install:
  - |
    if [ "${TRAVIS_OS_NAME}" = "osx" ]; then
      if [ -e /usr/local/Cellar/llvm@7/7.0.1/bin ]; then
        echo "Clang cache found."
        ln -sf /usr/local/Cellar/llvm@7/7.0.1 /usr/local/opt/llvm@7
      else
        echo "Installing clang..."
        rm -rf /usr/local/Cellar/llvm@7/7.0.1
        brew install llvm@7
        ls -l /usr/local/Cellar/llvm@7/7.0.1
      fi
      CC_PREFIX=/usr/local/opt/llvm@7
      export PATH="${CC_PREFIX}/bin:$PATH"
      export LDFLAGS="-L${CC_PREFIX}/lib -Wl,-rpath,${CC_PREFIX}/lib"
      export CPPFLAGS="-I${CC_PREFIX}/include"
    fi

before_script:
  - eval "${MATRIX_EVAL}"
  - $CXX --version
  - mkdir -p build && cd build

script:
  # Run cmake, then compile and run tests with make
  - cmake -DCMAKE_BUILD_TYPE=${BUILD_TYPE} -DBUILD_TEST=ON ..;
  - make VERBOSE=1
  - ctest -V

# code coverage
after_success:
  - if [ "${BUILD_TYPE}" == "Coverage" ]; then
      git clone https://github.com/linux-test-project/lcov;
      pushd lcov;
      git checkout e675080;
      popd;
      ./lcov/bin/lcov --gcov-tool `which gcov-8` -c -d src/CMakeFiles/cppglob.dir -b ../src -o coverage.info;
      ./lcov/bin/lcov --remove coverage.info '/usr/*' -o coverage.info;
      ./lcov/bin/lcov --list coverage.info;
      bash <(curl -s https://codecov.io/bash) || echo "Codecov did not collect coverage reports";
    fi

after_failure:
  # Dumps any logs so you can read the stderr
  - if [[ -e 'Testing/Temporary/LastTest.log' ]]; then cat 'Testing/Temporary/LastTest.log'; fi
  - if [[ -e 'CMakeFiles/CMakeError.log' ]]; then cat 'CMakeFiles/CMakeError.log'; fi