.travis.yml

dist: xenial
language: cpp

matrix:
  include:
  - os: linux
    language: cpp
    compiler: gcc
    env: COMPILER="g++-7"
    addons:
      apt:
        sources:
        - ubuntu-toolchain-r-test
        packages:
        - g++-7
  - os: linux
    language: cpp
    compiler: gcc
    env: COMPILER="g++-6"
    addons:
      apt:
        sources:
        - ubuntu-toolchain-r-test
        packages:
        - g++-6
  - os: linux
    language: cpp
    compiler: gcc
    env: COMPILER="g++-5"
    addons:
      apt:
        sources:
        - ubuntu-toolchain-r-test
        packages:
        - g++-5
  - os: linux
    language: cpp
    compiler: clang
    env: COMPILER="clang++-7"
    addons:
      apt:
        sources:
        - ubuntu-toolchain-r-test
        - llvm-toolchain-xenial-7
        packages:
        - clang-7
  - os: osx
    language: cpp
    compiler: clang
    env: COMPILER="clang++"

before_install:
- |
  if [[ "${TRAVIS_OS_NAME}" == "linux" ]]; then
    mkdir -p cmake
    travis_retry wget "https://cmake.org/files/v3.11/cmake-3.11.2-Linux-x86_64.tar.gz"
    tar xf cmake-3.11.2-Linux-x86_64.tar.gz -C cmake --strip-components=1
    export PATH=${TRAVIS_BUILD_DIR}/cmake/bin:${PATH}
  fi
- cmake --version

script:
- mkdir build
- cd build
- cmake -DCMAKE_CXX_COMPILER=$COMPILER ..
- make
- ctest --output-on-failure