.travis.yml

language: c
osx_image: xcode7.3
addons:
  homebrew:
    packages:
    - glfw
    - libsodium
    - openssl
    - protobuf-c

matrix:
  include:
    - os: osx
      osx_image: xcode7.3
      env:
        - MATRIX_EVAL="CC=gcc-4.9 && CXX=g++-4.9"

    - os: osx
      osx_image: xcode7.3
      env:
        - MATRIX_EVAL="brew install gcc5 && CC=gcc-5 && CXX=g++-5"

    - os: osx
      osx_image: xcode7.3
      env:
        - MATRIX_EVAL="brew install gcc6 && CC=gcc-6 && CXX=g++-6"

    - os: osx
      osx_image: xcode7.3
      env:
        - MATRIX_EVAL="brew install gcc && CC=gcc-7 && CXX=g++-7"

    - os: osx
      osx_image: xcode12.2

    - os: osx
      osx_image: xcode11.3

    - os: osx
      osx_image: xcode10.1
    
    - os: osx
      osx_image: xcode9.2

    - os: osx
      osx_image: xcode8

    - os: osx
      osx_image: xcode7.3

before_install:
    - eval "${MATRIX_EVAL}"