.travis.yml

# CI pipelines for testing the coverage target and uploading coverage report.
language: cpp
dist: trusty
notifications:
  email: false

matrix:
  ##########################################################################
  # Build with the main configuration on all the supported compilers
  ##########################################################################
  include:
    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - lcov
            - g++-7
      env:
        - MATRIX_EVAL="CXX_COMPILER=g++-7; sudo update-alternatives --install /usr/bin/gcov gcov /usr/bin/gcov-7 90"

    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - lcov
            - g++-8
      env:
        - MATRIX_EVAL="CXX_COMPILER=g++-8; sudo update-alternatives --install /usr/bin/gcov gcov /usr/bin/gcov-8 90"

    - os: osx
      osx_image: xcode11
      addons:
        homebrew:
          packages:
            - lcov
          update: true
      env:
        - MATRIX_EVAL="CXX_COMPILER=clang++"

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

  ############################################################################
  # Install recent version of cmake
  ############################################################################
  - |
    if [[ "${TRAVIS_OS_NAME}" == "linux" ]]; then
      CMAKE_URL="https://cmake.org/files/v3.20/cmake-3.20.0-linux-x86_64.tar.gz"
      mkdir cmake
      travis_retry wget --no-check-certificate --quiet ${CMAKE_URL}
      tar --strip-components=1 -xzf cmake-3.20.0-linux-x86_64.tar.gz -C cmake
      export PATH=${DEPS_DIR}/cmake/bin:${PATH}
    else
      brew install cmake || brew upgrade cmake
    fi
  - cmake --version

  ############################################################################
  # Install coverals gem for uploading coverage to coveralls.
  ############################################################################
  - gem install coveralls-lcov

before_script:
  ############################################################################
  # Setup the build directory
  ############################################################################
  - eval "${MATRIX_EVAL}"
  - cd "${TRAVIS_BUILD_DIR}"
  - mkdir build
  - cd build
  - cmake .. -DCMAKE_BUILD_TYPE=Coverage -DCMAKE_CXX_COMPILER=$CXX_COMPILER
  - make

script:
  - make coverage

after_success:
  - cd "${TRAVIS_BUILD_DIR}/build"
  - lcov --list coverage_out.info.cleaned  # Show test report in travis log.
  - coveralls-lcov coverage_out.info.cleaned  # uploads to coveralls
  - bash <(curl -s https://codecov.io/bash) -f coverage_out.info.cleaned || echo "Codecov did not collect coverage reports"