sudo: false
language: cpp
compiler: clang
os: linux
dist: trusty
addons:
    apt:
        sources:
            - ubuntu-toolchain-r-test
            - llvm-toolchain-trusty-5.0
        packages:
            - g++-7
            - clang-5.0
            - lcov

matrix:
  include:
    # Linux Clang C++17
    - env:
        BUILD_TYPE=Debug
        BIN_DIR=debug
        CC=clang-5.0
        CXX=clang++-5.0
    - env:
        BUILD_TYPE=Release
        BIN_DIR=bin
        CC=clang-5.0
        CXX=clang++-5.0

    # Linux GCC C++17
    - env:
        - MATRIX_EVAL="BUILD_TYPE=Debug && BIN_DIR=debug && CC=gcc-7 && CXX=g++-7"
      compiler: gcc
      before_install:
        - eval "${MATRIX_EVAL}"
    - env:
        - MATRIX_EVAL="BUILD_TYPE=Release && BIN_DIR=bin && CC=gcc-7 && CXX=g++-7"
      compiler: gcc
      before_install:
        - eval "${MATRIX_EVAL}"

    # OSX Clang
    - os: osx
      osx_image: xcode9.3
      env:
        BUILD_TYPE=Release
        BIN_DIR=bin
      before_install:
        brew update
      install:
        - brew upgrade cmake
        - brew install lcov
    - os: osx
      osx_image: xcode9.3
      env:
        BUILD_TYPE=Debug
        BIN_DIR=debug
      before_install:
        brew update
      install:
        - brew install lcov
        - brew upgrade cmake
script:
    - cd build
    - cmake -DCMAKE_BUILD_TYPE=$BUILD_TYPE ..
    - make -j

after_success:
    - cd ${TRAVIS_BUILD_DIR}
    - lcov --directory . --capture --output-file coverage.info # capture coverage info
    - lcov --remove coverage.info '/usr/*' --output-file coverage.info # filter out system
    - lcov --list coverage.info
    - bash <(curl -s https://codecov.io/bash) || echo "Codecov did not collect coverage reports"