name: CI (windows)

on:
  workflow_dispatch: # allows manual triggering
  push:
    branches:
      - master
    paths: ['.github/workflows/build-windows.yml',
            '**/CMakeLists.txt',
            '**/Makefile',
            '**/*.mk',
            '**/*.cmake',
            '**/*.in',
            '**/*.h',
            '**/*.hpp',
            '**/*.c',
            '**/*.cpp',
            '**/*.cu',
            '**/*.cuh',
            '**/*.cl']

  pull_request:
    types: [opened, synchronize, reopened]
    paths-ignore:
      - 'bindings/ruby/**'        # handled by bindings-ruby.yml
      - 'bindings/go/**'          # handled by bindings-go.yml
      - 'examples/addon.node/**'  # handled by examples.yml

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref && github.ref || github.run_id }}
  cancel-in-progress: true

jobs:
  windows-msys2:
    runs-on: windows-latest

    strategy:
      fail-fast: false
      matrix:
        include:
          - { sys: UCRT64,  env: ucrt-x86_64,  compiler: gcc,   build: Release }
          - { sys: CLANG64, env: clang-x86_64, compiler: clang, build: Release }

    steps:
      - name: Clone
        uses: actions/checkout@v6

      - name: Setup ${{ matrix.sys }}
        uses: msys2/setup-msys2@cafece8e6baf9247cf9b1bf95097b0b983cc558d # v2
        with:
          update: true
          msystem: ${{matrix.sys}}
          install: >-
            mingw-w64-${{matrix.env}}-${{matrix.compiler}}
            mingw-w64-${{matrix.env}}-cmake
            mingw-w64-${{matrix.env}}-SDL2
            mingw-w64-${{matrix.env}}-openblas

      - name: Build using CMake
        shell: msys2 {0}
        run: |
            cmake -B build -DWHISPER_SDL2=ON
            cmake --build build --config ${{ matrix.build }} -j $(nproc)

      - name: Clean after building using CMake
        shell: msys2 {0}
        run: |
            rm -rf build

      - name: Build using CMake w/ OpenBLAS
        shell: msys2 {0}
        run: |
            cmake -B build -DGGML_BLAS=ON -DGGML_BLAS_VENDOR=OpenBLAS
            cmake --build build --config ${{ matrix.build }} -j $(nproc)