riscv/.github/workflows/build.yaml

on:
  push:
    branches: [ master, add-riscv-rt ]
  pull_request:
  merge_group:

name: Build check

jobs:
  # We check that the crate builds and links for all the toolchains and targets.
  build-riscv:
    strategy:
      matrix:
        # All generated code should be running on stable now, MRSV is 1.59.0
        toolchain: [ stable, nightly, 1.60.0 ]
        package: 
          - riscv
          - riscv-rt
        target:
          - riscv32i-unknown-none-elf
          - riscv32imc-unknown-none-elf
          - riscv32imac-unknown-none-elf
          - riscv64imac-unknown-none-elf
          - riscv64gc-unknown-none-elf
        cargo_flags: [ "--no-default-features", "--all-features" ]
        include:
          # Nightly is only for reference and allowed to fail
          - toolchain: nightly
            experimental: true
          - package: riscv-rt
            cargo_flags:
              - "--features=s-mode"
              - "--features=single-hart"
    runs-on: ubuntu-latest
    continue-on-error: ${{ matrix.experimental || false }}
    steps:
    - uses: actions/checkout@v3
    - uses: dtolnay/rust-toolchain@master
      with:
        toolchain: ${{ matrix.toolchain }}
        targets: ${{ matrix.target }}
    - name: Build library
      run: cargo build --package ${{ matrix.package }} --target ${{ matrix.target }} ${{ matrix.cargo_flags }}
      
  # On MacOS, Ubuntu, and Windows, we at least make sure that the crate builds and links.
  build-others:
    strategy:
      matrix:
        os:
          - macos-latest
          - ubuntu-latest
          - windows-latest
        package: 
          - riscv
        cargo_flags: [ "--no-default-features", "--all-features" ]
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v3
      - uses: dtolnay/rust-toolchain@stable
      - name: Build crate for host OS
        run: cargo build --package ${{ matrix.package }} ${{ matrix.cargo_flags }}
  
  # Job to check that all the builds succeeded
  build-check:
    needs:
    - build-riscv
    - build-others
    runs-on: ubuntu-latest
    if: always()
    steps:
      - run: jq --exit-status 'all(.result == "success")' <<< '${{ toJson(needs) }}'