language: c
os: linux
dist: bionic
compiler:
  - clang
  - gcc

addons:
  apt:
    sources:
      - sourceline: 'deb http://apt.llvm.org/bionic/ llvm-toolchain-bionic-9 main'

before_install:
  - wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
  - sudo apt-get -q update
  - sudo apt-get -y install xorg openbox clang-format-9

script:
  - scripts/run-clang-format.sh
  - scripts/build-x11-example.sh