.travis.yml

language: cpp
compiler: gcc
dist: trusty

os: linux
addons:
  apt:
    sources:
      - ubuntu-toolchain-r-test
    packages:
      - g++-7

before_install:
  # C++17
  - sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
  - sudo apt-get update -qq

install:
  # C++17
  - sudo apt-get install -qq g++-6
  - sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-6 90

  # CMake 3.13
  - DEPS_DIR="${TRAVIS_BUILD_DIR}/deps"
  - mkdir ${DEPS_DIR} && cd ${DEPS_DIR}
  - travis_retry wget --no-check-certificate https://cmake.org/files/v3.13/cmake-3.13.3-Linux-x86_64.tar.gz
  - tar -xvf cmake-3.13.3-Linux-x86_64.tar.gz > /dev/null
  - mv cmake-3.13.3-Linux-x86_64 cmake-install
  - PATH=${DEPS_DIR}/cmake-install:${DEPS_DIR}/cmake-install/bin:$PATH
  - cd ${TRAVIS_BUILD_DIR}

script:
  - export CC=gcc-7
  - export CXX=g++-7
  - mkdir -p build
  - cd build
  - cmake ${CMAKE_OPTIONS} -DCMAKE_CXX_FLAGS=${CXX_FLAGS} -DCMAKE_BUILD_TYPE=Coverage -DBUILD_TESTS=ON ..
  - make