json-c/.travis.yml

language: cpp
cache: ccache
matrix:
# gcc
  include:
    - os: linux
      dist: xenial
      compiler: gcc
      addons:
        apt:
          packages:
            - valgrind
            - cppcheck
            - doxygen
      env: CHECK="true"
    - os: linux
      dist: xenial
      compiler: gcc
    - os: linux
      dist: xenial
      compiler: gcc
      env: MATRIX_EVAL="CC=gcc-6 && CXX=g++-6"
    - os: linux
      dist: xenial
      compiler: gcc
      env: MATRIX_EVAL="CC=gcc-7 && CXX=g++-7"
    - os: linux
      dist: xenial
      compiler: gcc
      env: MATRIX_EVAL="CC=gcc-8 && CXX=g++-8"

# clang
    - os: linux
      dist: xenial
      compiler: clang
      addons:
        apt:
          sources:
            - llvm-toolchain-xenial-5.0
          packages:
            - clang-5.0
      env: MATRIX_EVAL="CC=clang-5.0 && CXX=clang++-5.0"
    - os: linux
      dist: xenial
      compiler: clang
      addons:
        apt:
          sources:
            - llvm-toolchain-xenial-6.0
          packages:
            - clang-6.0
            - cppcheck
            - doxygen
      env: MATRIX_EVAL="CC=clang-6.0 && CXX=clang++-6.0" CHECK="true"
    # The default clang on xenial is clang 7.0
    - os: linux
      dist: xenial
      compiler: clang
# osx
    - os: osx
      osx_image: xcode9.4
      env: XCODE="true"
    - os: osx
      osx_image: xcode10.1
      env: XCODE="true" CHECK="true"

#  allow_failures:
#    - os: osx

install:
  - sh autogen.sh

before_install:
  - echo $CC
  - echo $LANG
  - echo $LC_ALL
  - set -e
  - if [ "$TRAVIS_OS_NAME" = "linux" ]; then
      eval "${MATRIX_EVAL}";
      if [ -n "$MATRIX_EVAL" ] && [ "$TRAVIS_COMPILER" != "clang" ]; then
        sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 6B05F25D762E3157;
        sudo add-apt-repository -y ppa:ubuntu-toolchain-r/ppa;
        sudo apt-get update -qq;
        sudo apt-get install -y $CC;
      fi;
    fi

before_script:
  - ./configure

script:
  - make
  - if [ -n "$CHECK" ]; then
      if [ "$TRAVIS_OS_NAME" = "osx" ]; then
        brew install doxygen;
      fi;
      make distcheck;
      if type cppcheck &> /dev/null ; then cppcheck --error-exitcode=1 --quiet *.h *.c tests/ ; fi;
    fi