.travis.yml

language: cpp

matrix:
   include:
     - os: linux
       sudo: required
       dist: trusty
       env: MYCC=gcc-5 MYCXX=g++-5 GCOV=gcov-5 PKG=g++-5
     - os: linux
       sudo: required
       dist: trusty
       env: MYCC=gcc-6 MYCXX=g++-6 GCOV=gcov-6 PKG=g++-6
     - os: linux
       sudo: required
       dist: trusty
       env: MYCC=gcc-7 MYCXX=g++-7 GCOV=gcov-7 PKG=g++-7
     - os: linux
       sudo: required
       dist: trusty
       env: MYCC=clang MYCXX=clang++ GCOV=llvm-cov PKG="g++-5 clang llvm"
     - os: linux
       sudo: required
       dist: trusty
       env: MYCC=clang-3.6 MYCXX=clang++-3.6 GCOV=llvm-cov PKG="g++-5 clang-3.6 llvm"
     - os: linux
       sudo: required
       dist: trusty
       env: MYCC=clang-4.0 MYCXX=clang++-4.0 GCOV=llvm-cov PKG="g++-5 clang-4.0 llvm"
     - os: linux
       sudo: required
       dist: trusty
       env: MYCC=clang-5.0 MYCXX=clang++-5.0 GCOV=llvm-cov PKG="g++-5 clang-5.0 llvm"
     - os: linux
       sudo: required
       dist: trusty
       env: MYCC=clang-6.0 MYCXX=clang++-6.0 GCOV=llvm-cov PKG="g++-5 clang-6.0 llvm"
     - os: osx
       osx_image: xcode6.4
       env: MYCC=clang MYCXX=clang++ GCOV=llvm-cov
     - os: osx
       osx_image: xcode7.3
       env: MYCC=clang MYCXX=clang++ GCOV=llvm-cov
     - os: osx
       osx_image: xcode8.3
       env: MYCC=clang MYCXX=clang++ GCOV=llvm-cov
     - os: osx
       osx_image: xcode9.3
       env: MYCC=clang MYCXX=clang++ GCOV=llvm-cov

before_install:
     - if [[ "$TRAVIS_OS_NAME" != "osx" ]]; then sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test ; fi
     - if [[ "$TRAVIS_OS_NAME" != "osx" ]]; then sudo add-apt-repository -y ppa:mhier/libboost-latest ; fi
     - if [[ "$TRAVIS_OS_NAME" != "osx" ]]; then wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add - ; fi
     - if [[ "$TRAVIS_OS_NAME" != "osx" ]]; then sudo bash -c "echo deb http://apt.llvm.org/trusty/ llvm-toolchain-trusty-4.0 main >> /etc/apt/sources.list" ; fi
     - if [[ "$TRAVIS_OS_NAME" != "osx" ]]; then sudo bash -c "echo deb http://apt.llvm.org/trusty/ llvm-toolchain-trusty-5.0 main >> /etc/apt/sources.list" ; fi
     - if [[ "$TRAVIS_OS_NAME" != "osx" ]]; then sudo bash -c "echo deb http://apt.llvm.org/trusty/ llvm-toolchain-trusty-6.0 main >> /etc/apt/sources.list" ; fi
     - if [[ "$TRAVIS_OS_NAME" != "osx" ]]; then sudo apt-get update ; fi

install:
     - if [[ "$TRAVIS_OS_NAME" != "osx" ]]; then sudo apt-get install -y --allow-unauthenticated libboost1.68-dev cmake lcov ${PKG} ; fi
    
script:
    ############################################################################
    # Build main and tests
    ############################################################################
     - mkdir -p build
     - cd build
     - export CC=${MYCC}
     - export CXX=${MYCXX}
     - which $CC
     - which $CXX
     - $CC --version
     - $CXX --version
     - cmake -DCMAKE_BUILD_TYPE=Debug .. 
     - make
     - make test

after_success:
     # Creating report
     - cd ${TRAVIS_BUILD_DIR}
     - lcov --gcov-tool ${GCOV} --directory . --capture --output-file coverage.info # capture coverage info
     - lcov --gcov-tool ${GCOV} --remove coverage.info '/usr/*' --output-file coverage.info # filter out system
     - lcov --gcov-tool ${GCOV} --remove coverage.info 'tests/*' --output-file coverage.info # filter out tests
     - lcov --gcov-tool ${GCOV} --list coverage.info #debug info
     # Uploading report to CodeCov
     - if [[ "$TRAVIS_OS_NAME" != "osx" ]]; then bash <(curl -s https://codecov.io/bash) || echo "Codecov did not collect coverage reports" ; fi