.travis.yml

language: cpp
dist: bionic
matrix:
  allow_failures:
    - os: osx
  include:
    - os: linux
      env:
        - CC=gcc-7
        - CXX=g++-7
        - MPI="libopenmpi-dev openmpi-bin"
        - MPIEXEC=/usr/bin/mpiexec.openmpi 
    - os: linux
      env:
        - CC=clang
        - CXX=clang++
        - MPI="libopenmpi-dev openmpi-bin"
        - MPIEXEC=/usr/bin/mpiexec.openmpi 
    - os: linux
      env:
        - CC=gcc-7
        - CXX=g++-7
        - MPI="libmpich-dev mpich"
        - MPIEXEC=/usr/bin/mpiexec.mpich 
    - os: linux
      env:
        - CC=clang
        - CXX=clang++
        - MPI="libmpich-dev mpich"
        - MPIEXEC=/usr/bin/mpiexec.mpich 
    - os: osx
      osx_image: xcode11
      env:
        - MPI=mpich
        - HOMEBREW_NO_AUTO_UPDATE=1
    - os: osx
      osx_image: xcode11
      env:
        - MPI=open-mpi
        - HOMEBREW_NO_AUTO_UPDATE=1

addons:
  apt:
    packages:
      - doxygen
      - graphviz

before_install:
  - if [ "$TRAVIS_OS_NAME" = "linux" ]; then wget -O cmake.sh https://github.com/Kitware/CMake/releases/download/v3.14.6/cmake-3.14.6-Linux-x86_64.sh; fi
  - if [ "$TRAVIS_OS_NAME" = "linux" ]; then sudo sh cmake.sh --skip-licence --exclude-subdir --prefix=/usr/local; fi
  - if [ "$TRAVIS_OS_NAME" = "linux" ]; then sudo apt-get install -y $MPI ; fi
  - if [ "$TRAVIS_OS_NAME" = "osx" ]; then brew install $MPI; fi
  - export PATH=/usr/local/bin:$PATH
  - cmake --version

script:
  - mkdir build
  - cd build
  - if [ "$TRAVIS_OS_NAME" = "linux" ]; then cmake .. -DCMAKE_BUILD_TYPE=Debug -DBUILD_DOCS=ON -DMPIEXEC_EXECUTABLE=$MPIEXEC; fi
  - if [ "$TRAVIS_OS_NAME" = "osx" ]; then cmake .. -DCMAKE_BUILD_TYPE=Debug -DBUILD_DOCS=OFF; fi
  - cmake --build .
  - if [ "$TRAVIS_OS_NAME" = "linux" ]; then cmake --build . --target docs; fi
  - ctest --output-on-failure --timeout 30

deploy:
  provider: pages
  skip_cleanup: true
  local_dir: build/html
  github_token: $GH_REPO_TOKEN
  on:
    branch: master
    condition: $CC = clang && $TRAVIS_OS_NAME = "linux"