.travis.yml

sudo: required
dist: xenial
language: cpp

git:
  submodules: true

cache:
  apt: true
  ccache: true

linux-gcc-7: &linux-gcc-7
  os: linux
  compiler: 'g++-7'
  addons:
    apt:
      sources: ['ubuntu-toolchain-r-test']
      packages: ['g++-7']
  before_install:
    - export CC="gcc-7" CXX="g++-7"

linux-gcc-8: &linux-gcc-8
  os: linux
  compiler: 'g++-8'
  addons:
    apt:
      sources: ['ubuntu-toolchain-r-test']
      packages: ['g++-8']
  before_install:
    - export CC="gcc-8" CXX="g++-8"

linux-gcc-9: &linux-gcc-9
  os: linux
  compiler: 'g++-9'
  addons:
    apt:
      sources: ['ubuntu-toolchain-r-test']
      packages: ['g++-9']
  before_install:
    - export CC="gcc-9" CXX="g++-9"

# https://docs.travis-ci.com/user/languages/c/#gcc-on-linux
matrix:
  include:
  - << : *linux-gcc-9
    env:
      - BUILD=unit
      - BUILD_TYPE=Release
      - CXXFLAGS="-std=c++2a"
      - CMAKE_VERSION=3.7.2
  - << : *linux-gcc-8
    env:
      - BUILD=unit
      - BUILD_TYPE=Release
      - CMAKE_VERSION=3.7.2
  - << : *linux-gcc-7
    env:
      - BUILD=unit
      - BUILD_TYPE=Release
      - CMAKE_VERSION=3.7.2
  - << : *linux-gcc-7
    env:
       - BUILD=unit
       - BUILD_TYPE=Debug
install:
  - |
    HOME_BIN_PATH=`realpath ~/bin`
    mkdir -p ${HOME_BIN_PATH}
  - |
    # install cmake
    mkdir -p /tmp/cmake-download
    wget --no-clobber --directory-prefix=/tmp/cmake-download/ https://github.com/Kitware/CMake/releases/download/v${CMAKE_VERSION}/cmake-${CMAKE_VERSION}-Linux-x86_64.tar.gz
    tar -C /tmp/ -zxvf /tmp/cmake-download/cmake-${CMAKE_VERSION}-Linux-x86_64.tar.gz
    export PATH="/tmp/cmake-${CMAKE_VERSION}-Linux-x86_64/bin:${PATH}"
  - ccache --version
  - $CXX -v
  - cmake --version
before_script:
  - mkdir build
  - cd build
  - cmake .. -DCMAKE_BUILD_TYPE=${BUILD_TYPE}
script:
  - make -k -j2
  - |
    ctest . --output-on-failure
after_script:
  - ccache -s