.travis.yml

language: cpp

notifications:
  email: false

matrix:
  include:

# GCC builds.

    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - g++-4.9
      env:
         - MATRIX_EVAL="CC=gcc-4.9 && CXX=g++-4.9"

    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - g++-5
      env:
         - MATRIX_EVAL="CC=gcc-5 && CXX=g++-5"

    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - g++-6
      env:
        - MATRIX_EVAL="CC=gcc-6 && CXX=g++-6"

    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - g++-7
      env:
        - MATRIX_EVAL="CC=gcc-7 && CXX=g++-7"

# Clang builds.
# Note that we pull in g++-6 in order to have recent libstdc++.
# The version of libc++ available with Trusty does not work correctly,
# since the libstdc++ path is found first when linking.

    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
            - llvm-toolchain-trusty-4.0
          packages:
            - clang-4.0
            - g++-6
      env:
        - MATRIX_EVAL="CC=clang-4.0 && CXX=clang++-4.0"

    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
            - llvm-toolchain-trusty-5.0
          packages:
            - clang-5.0
            - g++-6
      env:
        - MATRIX_EVAL="CC=clang-5.0 && CXX=clang++-5.0"

before_install:
    - eval "${MATRIX_EVAL}"
    - pyenv global system 3.5

# Note that we don't invoke a parallel make due to potential
# memory issues on the Travis build environment.

script:
    - mkdir build && cd build
    - cmake .. && make
    - ./tests/runtests