language: cpp

jobs:
  include:
    - os: linux
      dist: bionic
      env: GCC_VERSION=5
    - os: linux
      dist: bionic
      env: GCC_VERSION=6
    - os: linux
      dist: bionic
      env: GCC_VERSION=7
    - os: linux
      dist: bionic
      env: GCC_VERSION=8
    - os: linux
      dist: bionic
      env: GCC_VERSION=9
    - os: linux
      dist: bionic
      env: GCC_VERSION=10
    - os: linux
      dist: bionic
      env: GCC_VERSION=11

    - os: linux
      dist: bionic
      env: CLANG_VERSION=5.0
    - os: linux
      dist: bionic
      env: CLANG_VERSION=6.0
    - os: linux
      dist: bionic
      env: CLANG_VERSION=7
    - os: linux
      dist: bionic
      env: CLANG_VERSION=8
    - os: linux
      dist: bionic
      env: CLANG_VERSION=9
    - os: linux
      dist: bionic
      env: CLANG_VERSION=10
    - os: linux
      dist: bionic
      env: CLANG_VERSION=11
    - os: linux
      dist: bionic
      env: CLANG_VERSION=12
    - os: linux
      dist: bionic
      env: CLANG_VERSION=13

    # osx image list https://docs.travis-ci.com/user/reference/osx/#macos-version
    - os: osx
      osx_image: xcode9.4
    - os: osx
      osx_image: xcode10.3
    - os: osx
      osx_image: xcode11.6
    - os: osx
      osx_image: xcode12.5

    # - os: osx
    #   osx_image: xcode12.5
    #   env: GCC_VERSION=5
    # - os: osx
    #   osx_image: xcode12.5
    #   env: GCC_VERSION=6
    # - os: osx
    #   osx_image: xcode12.5
    #   env: GCC_VERSION=7
    # - os: osx
    #   osx_image: xcode12.5
    #   env: GCC_VERSION=8
    # - os: osx
    #   osx_image: xcode12.5
    #   env: GCC_VERSION=9
    # - os: osx
    #   osx_image: xcode12.5
    #   env: GCC_VERSION=10
    # - os: osx
    #   osx_image: xcode12.5
    #   env: GCC_VERSION=11

    - os: freebsd
    # https://www.freshports.org/
    # - os: freebsd
    #   env: GCC_VERSION=8
    # - os: freebsd
    #   env: GCC_VERSION=10
    # - os: freebsd
    #   env: GCC_VERSION=11

    # - os: freebsd
    #   env: CLANG_VERSION=70
    # - os: freebsd
    #   env: CLANG_VERSION=80
    # - os: freebsd
    #   env: CLANG_VERSION=90
    # - os: freebsd
    #   env: CLANG_VERSION=10
    # - os: freebsd
    #   env: CLANG_VERSION=11
    # - os: freebsd
    #   env: CLANG_VERSION=12
    # - os: freebsd
    #   env: CLANG_VERSION=13

ubuntu_prepare: &ubuntu_prepare
  if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
    CMAKE_URL="https://cmake.org/files/v3.15/cmake-3.15.7-Linux-x86_64.sh"
    wget -qO /tmp/cmake.sh $CMAKE_URL
    sh /tmp/cmake.sh --prefix=/tmp/ --exclude-subdir --skip-license
    echo "export PATH=/tmp/bin/:/usr/local/bin:/usr/bin:$PATH" >> /tmp/knet.env

    if [[ "$GCC_VERSION" != "" ]]; then
      sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
      sudo apt-get -q update
      sudo apt-get -yq install g++-$GCC_VERSION

      echo "export CC=gcc-$GCC_VERSION CXX=g++-$GCC_VERSION" >> /tmp/knet.env
    fi

    if [[ "$CLANG_VERSION" != "" ]]; then
      curl -sSL "https://apt.llvm.org/llvm-snapshot.gpg.key" | sudo apt-key add -
      echo "deb https://apt.llvm.org/bionic/ llvm-toolchain-bionic-$CLANG_VERSION main" | sudo tee -a ${TRAVIS_ROOT}/etc/apt/sources.list >/dev/null
      sudo apt-get -q update
      sudo apt-get -yq install clang-$CLANG_VERSION

      echo "export CC=clang-$CLANG_VERSION CXX=clang++-$CLANG_VERSION" >> /tmp/knet.env
    fi
  fi

osx_prepare: &osx_prepare
  if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
    if [[ "$GCC_VERSION" != "" ]]; then
      brew install gcc@$GCC_VERSION

      echo "export CC=gcc-$GCC_VERSION CXX=g++-$GCC_VERSION" >> /tmp/knet.env
    fi
  fi

freebsd_prepare: &freebsd_prepare
  if [[ "$TRAVIS_OS_NAME" == "freebsd" ]]; then
    if [[ "$GCC_VERSION" != "" ]]; then
      su -m root -c "pkg install -y gcc$GCC_VERSION"

      echo "export CC=gcc$GCC_VERSION CXX=g++$GCC_VERSION" >> /tmp/knet.env
    fi

    if [[ "$CLANG_VERSION" != "" ]]; then
      su -m root -c "pkg install -y llvm$GCC_VERSION"

      echo "export CC=/usr/local/bin/clang$CLANG_VERSION CXX=/usr/local/bin/clang++$CLANG_VERSION" >> /tmp/knet.env
    fi
  fi

before_install:
  - echo > /tmp/knet.env
  - *ubuntu_prepare
  - *osx_prepare
  - *freebsd_prepare

before_script:
  - cat /tmp/knet.env
  - source /tmp/knet.env
  - printenv
  - ${CC} --version
  - ${CXX} --version
  - cmake --version

script:
  # Generate project
  - cmake . -B build

  # Debug
  - cmake --build build --clean-first --config Debug
  - (cd build && ctest --output-on-failure)

  # Release
  - cmake --build build --clean-first --config Release
  - (cd build && ctest --output-on-failure)

  # MinSizeRel
  - cmake --build build --clean-first --config MinSizeRel
  - (cd build && ctest --output-on-failure)

  # RelWithDebInfo
  - cmake --build build --clean-first --config RelWithDebInfo
  - (cd build && ctest --output-on-failure)