name: Alpine Linux

on:
  push:
  pull_request:

jobs:
  build:
    name: Build on Alpine ${{ matrix.arch }}

    runs-on: ubuntu-latest

    strategy:
      fail-fast: false
      matrix:
        arch:
          - x86_64
          - x86
          - aarch64
          - armv7
          - ppc64le
          - riscv64

    steps:
      - name: Checkout repository
        uses: actions/checkout@v7

      - name: Install Alpine Linux for ${{ matrix.arch }}
        uses: jirutka/setup-alpine@v1
        with:
          arch: ${{ matrix.arch }}

          # Keep CI reproducible.
          # riscv64 currently uses edge because stable Alpine support
          # for this architecture can lag behind the other architectures.
          branch: ${{ matrix.arch == 'riscv64' && 'edge' || 'v3.23' }}

          packages: >
            build-base
            cmake
            linux-headers
            git
            bash

      - name: Prepare
        run: |
          cmake \
            -DFASTFLOAT_TEST=ON \
            -B build
        shell: alpine.sh {0}

      - name: Build
        run: |
          cmake --build build
        shell: alpine.sh {0}

      - name: Test
        run: |
          ctest \
            --test-dir build \
            -R basictest \
            --output-on-failure
        shell: alpine.sh {0}