.travis.yml

branches:
  only:
  - master
  - /release-.*/
language: cpp
dist: trusty
sudo: false
addons:
  apt:
    packages:
      - automake
      - autoconf
      - libtool
      - pkg-config
# limit parallelism due to limited memory on Travis
script: CC=$MATRIX_CC CXX=$MATRIX_CXX ./super-test.sh -j2 quick

matrix:
  include:
    # Old GCC
    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - g++-5
      env:
        - MATRIX_CC=gcc-5
        - MATRIX_CXX=g++-5

    # New GCC
    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - g++-7
      env:
        - MATRIX_CC=gcc-7
        - MATRIX_CXX=g++-7

    # Old Clang
    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
            - llvm-toolchain-trusty-3.6
          packages:
            - clang-3.6
            - libc++-dev     # clang-3.6 can't compile C++14 against libstdc++, apparently.
      env:
        - MATRIX_CC=clang-3.6
        - MATRIX_CXX=clang++-3.6

    # New Clang
    - os: linux
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
            - llvm-toolchain-trusty-5.0
          packages:
            - clang-5.0
      env:
        - MATRIX_CC=clang-5.0
        - MATRIX_CXX=clang++-5.0

    # Mac. We only test Clang because Mac builds are expensive for Travis and probably any
    # compiler-specific problems will be caught on the Linux matrix anyway.
    - os: osx
      osx_image: xcode9.3
      env:
        - MATRIX_CC=clang
        - MATRIX_CXX=clang++