.travis.yml

# Originally pulled from https://gist.githubusercontent.com/Kimundi/10d299e905941e82bee4969acc7b64a8/raw/a354ad14ba0da0f05d4ce07e06d92b8ed18fa8f5/c++%2520example%2520travis.yml

# Reference Sites
# https://riptutorial.com/cmake/example/4723/configure-travis-ci-with-newest-cmake

language: c++

sudo: false

git:
    submodules: true

# Do not build branches of the form "pr/*". By prefixing pull requests coming
# from branches inside the repository with pr/, this avoids building both the
# branch push _and_ the pull request.
branches:
  except: /pr\/.*/

env:
  # Workaround for https://github.com/travis-ci/travis-ci/issues/4681
  matrix:
    - TRAVIS_EMPTY_JOB_WORKAROUND=true

addons:
  apt:
    packages:
      - g++-6
      - g++-7
      - g++-8

    sources: &sources
      - ubuntu-toolchain-r-test

cache:
  directories:
    - ${TRAVIS_BUILD_DIR}/deps/llvm-3.9.0
    - ${TRAVIS_BUILD_DIR}/deps/llvm-5.0.1
    - ${TRAVIS_BUILD_DIR}/deps/llvm-7.0.0
    - ${TRAVIS_BUILD_DIR}/deps/llvm-8.0.0

matrix:
  exclude:
    - env: TRAVIS_EMPTY_JOB_WORKAROUND=true

  include:
    ##########################################################################
    # Build with the main configuration on all the supported compilers
    #
    # Note that we only use the memory checker on the main configuration to
    # speed up Travis builds.
    ##########################################################################

    # Clang 3.9
    - os: linux
      env: LLVM_VERSION=3.9.0 CMAKE_OPTIONS="-DCELERO_ENABLE_TESTS=1"
      compiler: clang

    # Clang 5.0.1
    - os: linux
      env: LLVM_VERSION=5.0.1 CMAKE_OPTIONS="-DCELERO_ENABLE_TESTS=1"
      compiler: clang

    # Clang 7.0.0
    - os: linux
      env: LLVM_VERSION=7.0.0 CMAKE_OPTIONS="-DCELERO_ENABLE_TESTS=1"
      compiler: clang

    # Clang 8.0.0
    - os: linux
      env: LLVM_VERSION=7.0.0 CMAKE_OPTIONS="-DCELERO_ENABLE_TESTS=1"
      compiler: clang

    # GCC 6
    - os: linux
      env: COMPILER=g++-6 CMAKE_OPTIONS="-DCELERO_ENABLE_TESTS=1"
      compiler: gcc

    # GCC 7
    - os: linux
      env: COMPILER=g++-7 CMAKE_OPTIONS="-DCELERO_ENABLE_TESTS=1"
      compiler: gcc

    # GCC 8
    - os: linux
      env: COMPILER=g++-8 CMAKE_OPTIONS="-DCELERO_ENABLE_TESTS=1"
      compiler: gcc

     # GCC 8
    - os: linux
      name: Complete Build
      env: COMPILER=g++-8 CMAKE_OPTIONS="-DCELERO_ENABLE_TESTS=1 -DCELERO_ENABLE_EXPERIMENTS=1"
      compiler: gcc

    ##########################################################################
    # Build with variations in the configuration
    ##########################################################################
    # With debug mode
    - os: linux
      name: Debug Build
      env: LLVM_VERSION=default CMAKE_OPTIONS="-DCELERO_ENABLE_TESTS=1 -DCMAKE_BUILD_TYPE=DEBUG"
      compiler: clang

    # Temporarily broken within Travis.CI for CMake's update
    # - os: osx
    #  osx_image: xcode10.1

    - os: osx
      osx_image: xcode10.3

    - os: osx
      osx_image: xcode11

before_install:
  - git submodule update --init --recursive

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

  ############################################################################
  # Setup default versions and override compiler if needed
  ############################################################################
  - if [[ "${LLVM_VERSION}" == "default" ]]; then LLVM_VERSION=3.9.0; fi
  - if [[ "${COMPILER}" != "" ]]; then export CXX=${COMPILER}; fi

  ############################################################################
  # Install a recent CMake
  ############################################################################
  - |
    if [[ "${TRAVIS_OS_NAME}" == "linux" ]]; then
      CMAKE_URL="https://cmake.org/files/v3.15/cmake-3.15.4-Linux-x86_64.tar.gz"
      mkdir cmake && travis_retry wget --no-check-certificate --quiet -O - ${CMAKE_URL} | tar --strip-components=1 -xz -C cmake
      export PATH=${DEPS_DIR}/cmake/bin:${PATH}
    else
      brew upgrade cmake || brew install cmake
    fi
  - cmake --version

  ############################################################################
  # Install Clang, libc++ and libc++abi
  ############################################################################
  - |
    if [[ "${LLVM_VERSION}" != "" ]]; then
      LLVM_DIR=${DEPS_DIR}/llvm-${LLVM_VERSION}
      if [[ -z "$(ls -A ${LLVM_DIR})" ]]; then
        LLVM_URL="http://llvm.org/releases/${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-${LLVM_VERSION}.src.tar.xz"
        CLANG_URL="http://llvm.org/releases/${LLVM_VERSION}/clang+llvm-${LLVM_VERSION}-x86_64-linux-gnu-ubuntu-14.04.tar.xz"

        mkdir -p ${LLVM_DIR} ${LLVM_DIR}/build ${LLVM_DIR}/projects/libcxx ${LLVM_DIR}/projects/libcxxabi ${LLVM_DIR}/clang
        travis_retry wget --quiet -O - ${LLVM_URL}      | tar --strip-components=1 -xJ -C ${LLVM_DIR}
        travis_retry wget --quiet -O - ${LIBCXX_URL}    | tar --strip-components=1 -xJ -C ${LLVM_DIR}/projects/libcxx
        travis_retry wget --quiet -O - ${LIBCXXABI_URL} | tar --strip-components=1 -xJ -C ${LLVM_DIR}/projects/libcxxabi
        travis_retry wget --quiet -O - ${CLANG_URL}     | tar --strip-components=1 -xJ -C ${LLVM_DIR}/clang
        (cd ${LLVM_DIR}/build && cmake .. -DCMAKE_INSTALL_PREFIX=${LLVM_DIR}/install -DCMAKE_CXX_COMPILER=clang++)
        (cd ${LLVM_DIR}/build/projects/libcxx && make install -j2)
        (cd ${LLVM_DIR}/build/projects/libcxxabi && make install -j2)
      fi

      export CXXFLAGS="-nostdinc++ -isystem ${LLVM_DIR}/install/include/c++/v1"
      export LDFLAGS="-L ${LLVM_DIR}/install/lib -l c++ -l c++abi"
      export LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:${LLVM_DIR}/install/lib"
      export PATH="${LLVM_DIR}/clang/bin:${PATH}"
    fi
  - ${CXX} --version

before_script:
  ############################################################################
  # Go back to the root of the project and setup the build directory
  ############################################################################
  - ls -alt ${TRAVIS_BUILD_DIR}/deps/
  - cd ${TRAVIS_BUILD_DIR}
  - (mkdir build && cd build && cmake .. ${CMAKE_OPTIONS})

script:
  ############################################################################
  # Build
  ############################################################################
  - cd ${TRAVIS_BUILD_DIR}
  - cd build
  - make

after_success:
  - ls
  - ./celero-test