cabal.yml

name: Cabal CI

# Trigger the workflow on push or pull request, but only for the master branch
on:
  pull_request:
  push:
    branches: [master]

jobs:
  build:
    name: ghc ${{ matrix.ghc }}
    runs-on: ubuntu-16.04
    if: "! contains(toJSON(github.event.commits.*.message), '[skip-ci]')" # respects [skip-ci]
    strategy:
      matrix:
        cabal: ["3.0", "3.2"]
        ghc:
          - "8.8.3"
          - "8.10.1"  

    steps:
    - uses: actions/checkout@v2
      if: github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.ref == 'refs/heads/master'
      with:
        submodules: recursive

    - name: Install LLVM/Clang 9
      run: |
          wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
          sudo add-apt-repository "deb http://apt.llvm.org/xenial llvm-toolchain-xenial-9 main"
          sudo apt-get update
          sudo apt-get install -y libclang-9-dev llvm-9-dev clang-9 llvm-9 
          export CLANG_PURE_LLVM_LIB_DIR=/usr/lib/llvm-9/lib
          export CLANG_PURE_LLVM_INCLUDE_DIR=/usr/lib/llvm-9/include
          unset CC

    - uses: actions/setup-haskell@v1
      name: Setup Haskell
      with:
        ghc-version: ${{ matrix.ghc }}
        cabal-version: ${{ matrix.cabal }}

    - uses: actions/cache@v1
      name: Cache ~/.cabal/store
      with:
        path: ~/.cabal/store
        key: ${{ runner.os }}-${{ matrix.ghc }}-cabal

    - name: Build
      run: |
        export CLANG_PURE_LLVM_LIB_DIR=/usr/lib/llvm-9/lib
        export CLANG_PURE_LLVM_INCLUDE_DIR=/usr/lib/llvm-9/include
        cabal v2-update
        export CLANG_PURE_LLVM_LIB_DIR=/usr/lib/llvm-9/lib
        export CLANG_PURE_LLVM_INCLUDE_DIR=/usr/lib/llvm-9/include
        cabal v2-build --enable-tests

    - name: Test
      run: |
        cabal v2-test --enable-tests