.travis.yml

language: cpp

# Install LLVM
addons:
  apt:
    update: true
    sources:
      - sourceline: 'deb http://apt.llvm.org/bionic/ llvm-toolchain-bionic-9 main'
        key_url: 'http://apt.llvm.org/llvm-snapshot.gpg.key'
    packages:
      - llvm-9
      - llvm-9-dev
      - llvm-9-tools
      - clang-9
  homebrew:
    packages:
      - llvm@9
    # The following error was triggered when Homebrew was _not_ updated:
    #   Error: Your Homebrew is outdated. Please run `brew update`.
    # Updating Homebrew every time slows down the build considerably, but seems
    # necessary.
    update: true

matrix:
  include:
    - os: linux
      dist: bionic
      env:
        - LLVM_DIR="/usr/lib/llvm-9/"
        - LLVM_TOOLCHAIN="/usr/lib/llvm-9/bin"
        - LIT_PATH=/home/travis/.local/bin/
    - os: osx
      osx_image: xcode11
      env:
        - LLVM_DIR="/usr/local/opt/llvm@9/"
        - LLVM_TOOLCHAIN="/usr/local/opt/llvm@9/bin/"
        - LIT_PATH=/Users/travis/Library/Python/2.7/bin/

# AFAIK, there's no other way of obtaining LLVM's lit other than via `pip
# install`
install:
  - pip install --user lit

script:
  # Build HelloWorld as a standalone project
  - cd HelloWorld
  - mkdir build && cd build
  - cmake  -DLT_LLVM_INSTALL_DIR="$LLVM_DIR"  ../
  - make -j4
  # Build the top project and run tests
  - cd ../../
  - mkdir build
  - cd build
  - cmake -DLT_LLVM_INSTALL_DIR="$LLVM_DIR"  ../
  - make -j4
  - ${LIT_PATH}/lit test/