.travis.yml

# from <https://github.com/taocpp/PEGTL/blob/master/.travis.yml>

language: c

os: linux
sudo: true

env:
    - C_COMPILER=gcc-4.9
    - C_COMPILER=gcc-5
    - C_COMPILER=gcc-6
    - C_COMPILER=gcc-7
    - C_COMPILER=gcc-8
    - C_COMPILER=clang-3.8
    - C_COMPILER=clang-3.9
    - C_COMPILER=clang-4.0
    # - C_COMPILER=clang-5.0
    # - C_COMPILER=clang-6.0
    # - C_COMPILER=clang-7
    # - C_COMPILER=clang-8

addons:
  apt:
    sources:
      - ubuntu-toolchain-r-test
    update: false

before_install:
  - if [[ "${C_COMPILER}" =~ "clang" ]]; then wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -; sudo apt-add-repository "deb http://apt.llvm.org/xenial/ llvm-toolchain-$(lsb_release -c | awk '{printf $2}')-${C_COMPILER##*-} main" -y; fi
  - sudo apt-get update
  - sudo apt-get install "${C_COMPILER}" $(if [[ "${C_COMPILER}" =~ "clang-" ]]; then echo llvm; fi) -y

before_script:
  - export CC="${C_COMPILER}"

script:
  - make
  - sudo make test