.travis.yml

language: cpp
sudo: false

branches:
  only:
    - master

git:
  depth: 1

matrix:
  include:
    # ubuntu 14.04, gcc-4.9
    - env: VER=4.9 STDS="11;14" TESTS="mpark"
      compiler: gcc
      os: linux
      dist: trusty
      addons: { apt: { packages: ["g++-4.9"], sources: ["ubuntu-toolchain-r-test"] } }

    # ubuntu 14.04, gcc-5
    - env: VER=5 STDS="11;14" TESTS="mpark"
      compiler: gcc
      os: linux
      dist: trusty
      addons: { apt: { packages: ["g++-5"], sources: ["ubuntu-toolchain-r-test"] } }

    # ubuntu 14.04, gcc-6
    - env: VER=6 STDS="11;14" TESTS="mpark"
      compiler: gcc
      os: linux
      dist: trusty
      addons: { apt: { packages: ["g++-6"], sources: ["ubuntu-toolchain-r-test"] } }

    # ubuntu 14.04, gcc-7
    - env: VER=7 STDS="11;14;17" TESTS="mpark;libc++"
      compiler: gcc
      os: linux
      dist: trusty
      addons: { apt: { packages: ["g++-7"], sources: ["ubuntu-toolchain-r-test"] } }

    # ubuntu 14.04, clang-3.5
    - env: VER=3.5 STDS="11;14" TESTS="mpark"
      compiler: clang
      os: linux
      dist: precise
      addons: { apt: { packages: ["clang-3.5"], sources: ["ubuntu-toolchain-r-test", "llvm-toolchain-precise-3.5"] } }

    # ubuntu 14.04, clang-3.6
    - env: VER=3.6 STDS="11;14" TESTS="mpark"
      compiler: clang
      os: linux
      dist: precise
      addons: { apt: { packages: ["clang-3.6"], sources: ["ubuntu-toolchain-r-test", "llvm-toolchain-precise-3.6"] } }

    # ubuntu 14.04, clang-3.7
    - env: VER=3.7 STDS="11;14" TESTS="mpark"
      compiler: clang
      os: linux
      dist: precise
      addons: { apt: { packages: ["clang-3.7"], sources: ["ubuntu-toolchain-r-test", "llvm-toolchain-precise-3.7"] } }

    # ubuntu 14.04, clang-3.8
    - env: VER=3.8 STDS="11;14" TESTS="mpark"
      compiler: clang
      os: linux
      dist: precise
      addons: { apt: { packages: ["clang-3.8"], sources: ["ubuntu-toolchain-r-test", "llvm-toolchain-precise-3.8"] } }

    # ubuntu 14.04, clang-3.9
    - env: VER=3.9 STDS="11;14" TESTS="mpark"
      compiler: clang
      os: linux
      dist: trusty
      addons: { apt: { packages: ["clang-3.9"], sources: ["ubuntu-toolchain-r-test", "llvm-toolchain-trusty-3.9"] } }

    # ubuntu 14.04, clang-4.0
    - env: VER=4.0 STDS="11;14" TESTS="mpark"
      compiler: clang
      os: linux
      dist: trusty
      addons: { apt: { packages: ["clang-4.0"], sources: ["ubuntu-toolchain-r-test", "llvm-toolchain-trusty-4.0"] } }

    # ubuntu 14.04, clang-5.0
    - env: VER=5.0 STDS="11;14;17" TESTS="mpark;libc++"
      compiler: clang
      os: linux
      dist: trusty
      addons: { apt: { packages: ["clang-5.0"], sources: ["ubuntu-toolchain-r-test", "llvm-toolchain-trusty-5.0"] } }

    # OS X Yosemite 10.10, Apple Clang 6
    - env: STDS="11;14" TESTS="mpark"
      compiler: clang
      os: osx
      osx_image: xcode6.4

    # OS X El Capitan 10.11, Apple Clang 7
    - env: STDS="11;14" TESTS="mpark"
      compiler: clang
      os: osx
      osx_image: xcode7.3

    # OS X Sierra 10.12, Apple Clang 8
    - env: STDS="11;14" TESTS="mpark"
      compiler: clang
      os: osx
      osx_image: xcode8.3

install:
  # Save the name of the compiler.
  - COMPILER=${CC}
  # Set the correct `CC` and `CXX` environment variables.
  - |
    if [ -n "${VER}" ]; then
      export CC="${CC}-${VER}"
      export CXX="${CXX}-${VER}"
    fi
  - ${CXX} --version
  # Directory for dependency installation.
  - DEPS="${TRAVIS_BUILD_DIR}/deps"
  - mkdir -p ${DEPS}
  # Install newer cmake.
  - |
    if [ "${TRAVIS_OS_NAME}" = "osx" ]; then
      brew update
      brew upgrade cmake
    elif [ "${TRAVIS_OS_NAME}" = "linux" ]; then
      travis_retry wget --no-check-certificate https://cmake.org/files/v3.8/cmake-3.8.2-Linux-x86_64.sh
      bash cmake-3.8.2-Linux-x86_64.sh --skip-license --prefix="${DEPS}"
      export PATH="${DEPS}/bin:${PATH}"
    fi
  # Install specific version of libc++.
  - |
    if [ "${TRAVIS_OS_NAME}" = "linux" ] && [ "${COMPILER}" = "clang" ] && [ -n "${VER}" ]; then
      LLVM_VER=$(echo "$(${CXX} --version)" | grep -Po "clang version \K([0-9]\.[0-9]\.[0-9])")
      if [ "${LLVM_VER}" = "5.0.1" ]; then
        LLVM_VER="5.0.0"
      fi

      LLVM_URL="http://llvm.org/releases/${LLVM_VER}/llvm-${LLVM_VER}.src.tar.xz"
      LIBCXX_URL="http://llvm.org/releases/${LLVM_VER}/libcxx-${LLVM_VER}.src.tar.xz"
      LIBCXXABI_URL="http://llvm.org/releases/${LLVM_VER}/libcxxabi-${LLVM_VER}.src.tar.xz"

      mkdir -p llvm-build llvm 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

      pushd llvm-build
      cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=${DEPS} ../llvm
      cmake --build projects/libcxx --target install -- -j 2
      cmake --build projects/libcxxabi --target install -- -j 2
      popd
      if [ "${VER}" = "3.5" ]; then
        # `cxxabi.h` isn't installed correctly for libc++-3.5.
        cp llvm/projects/libcxxabi/include/cxxabi.h ${DEPS}/include/c++/v1
      fi

      # These flags are passed via `-DCMAKE_CXX_FLAGS` because setting them on
      # `CXXFLAGS` conflicts with the include directories explicitly set by
      # libc++ when it's being built for the `std::variant` tests.
      COMPILE_FLAGS="-nostdinc++ -isystem ${DEPS}/include/c++/v1"

      export LDFLAGS="${LDFLAGS} -L${DEPS}/lib -lc++ -lc++abi"
      export LD_LIBRARY_PATH="${DEPS}/lib:${LD_LIBRARY_PATH}"
    fi

script:
  - STDS=(${STDS//;/ })
  - BUILDS=(Debug Release)
  - EXS=(ON OFF)
  - mkdir build
  - pushd build
  - |
    (
      set -e
      for BUILD in "${BUILDS[@]}"; do
        for EX in "${EXS[@]}"; do
          for STD in "${STDS[@]}"; do
            (
              set -x
              cmake -DCMAKE_CXX_FLAGS="${COMPILE_FLAGS}"   \
                    -DCMAKE_CXX_STANDARD="${STD}"          \
                    -DCMAKE_BUILD_TYPE="${BUILD}"          \
                    -DMPARK_VARIANT_EXCEPTIONS="${EX}"     \
                    -DMPARK_VARIANT_INCLUDE_TESTS="${TESTS}" ..
            )
            cmake --build . -- -j 2
            ctest -V
          done
        done
      done
    )
  - popd

notifications:
  email: false