name: CI

on:
  push:
    branches: [ master ]
    tags: [ 'v*' ]
  pull_request:
    branches: [ master ]


jobs:

  build:
    runs-on: ${{ matrix.os }}
    timeout-minutes: 60
    
    strategy:
      fail-fast: false
      matrix:
        os:
          - ubuntu-latest
          - macos-latest
          - windows-latest
        target:
          - aarch64-linux-musl
          - arm-linux-musleabi
          - arm-linux-musleabihf
          - i686-linux-musl
          - riscv64-linux-musl
          - x86_64-linux-musl
          - x86_64-linux-muslx32

    steps:
      - uses: actions/checkout@v2
        
      - name: Configure caching 
        uses: actions/cache@v2
        # Caching disabled on macos due to https://github.com/actions/cache/issues/403
        if: ${{ matrix.os != 'macos-latest' }}
        with:
          key: ${{ matrix.os }}-${{ matrix.target }}
          path: |
            Sources/
            output/
            binutils-*/
            gcc-*/
            musl-*/
            gmp-*/
            mpc-*/
            mpfr-*/
            build-*/
            linux-*/
            isl-*/
            build/

      - name: Build MUSL
        run: TARGET=${{ matrix.target }} make

      - name: Package outputs
        run: tar -cf musl-${{ matrix.os }}-${{ matrix.target }}.tgz -C build/local ${{matrix.target}}
        
      - name: Upload artifacts
        uses: actions/upload-artifact@v1
        with:
          name: musl-${{ matrix.os }}-${{ matrix.target }}.tgz
          path: musl-${{ matrix.os }}-${{ matrix.target }}.tgz