.travis.yml

language: cpp
sudo: false
notifications:
  email: false

# Use Linux unless specified otherwise
os: linux
dist: trusty
cache:
  directories:
    - ${TRAVIS_BUILD_DIR}/deps

#addons: &global_addons
#  apt:
#    packages:
#      - lcov

matrix:
  include:
    # Clang 5.0
    - env: COMPILER=clang++-5.0 BUILD_TYPE=Debug BUILD_COVER=OFF
      addons: &clang50
        apt:
          packages:
            - clang-5.0
            - g++-7
          sources:
            - ubuntu-toolchain-r-test
            - llvm-toolchain-trusty-5.0
            - sourceline: 'deb http://apt.llvm.org/trusty/ llvm-toolchain-trusty-5.0 main'
              key_url: 'https://apt.llvm.org/llvm-snapshot.gpg.key'

    - env: COMPILER=clang++-5.0 BUILD_TYPE=Release BUILD_COVER=OFF
      addons: *clang50

    # Clang 6.0
    - env: COMPILER=clang++-6.0 BUILD_TYPE=Debug BUILD_COVER=OFF
      addons: &clang60
        apt:
          packages:
            - clang-6.0
            - g++-7
          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'

    - env: COMPILER=clang++-6.0 BUILD_TYPE=Release BUILD_COVER=OFF
      addons: *clang60

    # Clang 7.0
    - env: COMPILER=clang++-7 BUILD_TYPE=Debug BUILD_COVER=OFF
      addons: &clang70
        apt:
          packages:
            - clang-7
            - g++-7
          sources:
            - ubuntu-toolchain-r-test
            - llvm-toolchain-trusty-7

    - env: COMPILER=clang++-7 BUILD_TYPE=Release BUILD_COVER=OFF
      addons: *clang70

    ##########################################################################
    # GCC on Linux
    ##########################################################################
    # GCC 7
    - env: COMPILER=g++-7 BUILD_TYPE=Debug BUILD_COVER=ON
      addons: &gcc7
        apt:
          packages:
            - g++-7
            - lcov
            - python3-dev
            - gcovr
          sources:
            - ubuntu-toolchain-r-test

    - env: COMPILER=g++-7 BUILD_TYPE=Release BUILD_COVER=OFF
      addons: *gcc7

    - env: COMPILER=clang++ BUILD_TYPE=Release BUILD_COVER=OFF
      os: osx
      osx_image: xcode10.2
      brew_packages:
        - cmake

    - env: COMPILER=g++ BUILD_TYPE=Release BUILD_COVER=OFF
      os: osx
      osx_image: xcode10.2
      brew_packages:
        - gcc
        - cmake

install:
  # Dependencies required by the CI are installed in ${TRAVIS_BUILD_DIR}/deps/
  - DEPS_DIR="${TRAVIS_BUILD_DIR}/deps"
  - mkdir -p "${DEPS_DIR}"
  - cd "${DEPS_DIR}"

  # Travis machines have 2 cores
  - JOBS=2

  ############################################################################
  # Install a recent CMake (unless already installed on OS X)
  ############################################################################
#  - CMAKE_VERSION=3.7.2
#  - |
#    if [[ "${TRAVIS_OS_NAME}" == "linux" ]]; then
#      CMAKE_URL="https://cmake.org/files/v${CMAKE_VERSION%.[0-9]}/cmake-${CMAKE_VERSION}-Linux-x86_64.tar.gz"
#      mkdir cmake && travis_retry wget --no-check-certificate -O - ${CMAKE_URL} | tar --strip-components=1 -xz -C cmake
#      export PATH=${DEPS_DIR}/cmake/bin:${PATH}
#    else
#      brew install cmake || brew upgrade cmake
#    fi
  - cmake --version

  ############################################################################
  # [linux]: Install the right version of libc++
  ############################################################################
  - |
    LLVM_INSTALL=${DEPS_DIR}/llvm/install
    # if in linux and compiler clang and llvm not installed
    if [[ "${TRAVIS_OS_NAME}" == "linux" && "${CXX%%+*}" == "clang" && -n "$(ls -A ${LLVM_INSTALL})" ]]; then
      if   [[ "${CXX}" == "clang++-3.6" ]]; then LLVM_VERSION="3.6.2";
      elif [[ "${CXX}" == "clang++-3.7" ]]; then LLVM_VERSION="3.7.1";
      elif [[ "${CXX}" == "clang++-3.8" ]]; then LLVM_VERSION="3.8.1";
      elif [[ "${CXX}" == "clang++-3.9" ]]; then LLVM_VERSION="3.9.1";
      fi
      LLVM_URL="http://llvm.org/releases/${LLVM_VERSION}/llvm-${LLVM_VERSION}.src.tar.xz"
      LIBCXX_URL="http://llvm.org/releases/${LLVM_VERSION}/libcxx-${LLVM_VERSION}.src.tar.xz"
      LIBCXXABI_URL="http://llvm.org/releases/${LLVM_VERSION}/libcxxabi-${LLVM_VERSION}.src.tar.xz"
      mkdir -p llvm llvm/build llvm/projects/libcxx llvm/projects/libcxxabi
      travis_retry wget -O - ${LLVM_URL} | tar --strip-components=1 -xJ -C llvm
      travis_retry wget -O - ${LIBCXX_URL} | tar --strip-components=1 -xJ -C llvm/projects/libcxx
      travis_retry wget -O - ${LIBCXXABI_URL} | tar --strip-components=1 -xJ -C llvm/projects/libcxxabi
      (cd llvm/build && cmake .. -DCMAKE_INSTALL_PREFIX=${LLVM_INSTALL})
      (cd llvm/build/projects/libcxx && make install -j2)
      (cd llvm/build/projects/libcxxabi && make install -j2)
      export CXXFLAGS="-isystem ${LLVM_INSTALL}/include/c++/v1"
      export LDFLAGS="-L ${LLVM_INSTALL}/lib -l c++ -l c++abi"
      export LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:${LLVM_INSTALL}/lib"
    fi
before_script:
  # Set the ${CXX} variable properly
  - export CXX=${COMPILER}
  - ${CXX} --version
  # have CMake to generate build files
  - cd "${TRAVIS_BUILD_DIR}"
  - mkdir build && cd build
  - cmake -DCMAKE_BUILD_TYPE="${BUILD_TYPE}" -DQB_BUILD_TEST=ON -DQB_BUILD_COVERAGE="${BUILD_COVER}" -B. -H..

script:
  # build and run tests
  - cmake --build . -- -j${JOBS}
  - ctest -VV --output-on-failure -j${JOBS}
  - |
    if [${BUILD_COVER} == "ON"]; then
      make qb-coverage;
    fi
after_success:
  - bash <(curl -s https://codecov.io/bash) || echo "Codecov did not collect coverage reports"