added CI for MinGW

.github/workflows/windows-test.yml

@@ -65,6 +65,58 @@ jobs:
         env:
           METACALL_BUILD_OPTIONS: ${{ matrix.options.build }} tests
 
+  windows-mingw-test:
+    name: Windows MinGW Test
+    runs-on: windows-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        build_type: [Debug, Release]
+        sys: [mingw32, mingw64, ucrt64, clang64]
+
+    defaults:
+      run:
+        shell: msys2 {0}
+
+    steps:
+      - name: Check out the repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: '${{ matrix.sys }} Setup MSYS2'
+        uses: msys2/setup-msys2@v2
+        with:
+          msystem: ${{ matrix.sys }}
+          update: true
+          install: >-
+            base-devel
+            git
+            cmake
+            make
+          pacboy: >-
+            toolchain:p
+            cmake:p
+            ninja:p
+
+      - name: Create build directory
+        run: mkdir build
+
+      - name: Configure with CMake
+        working-directory: ./build
+        run: |
+          cmake -G "MinGW Makefiles" -DCMAKE_BUILD_TYPE=${{ matrix.build_type }} -DOPTION_FORK_SAFE=OFF -DOPTION_BUILD_PLUGINS_BACKTRACE=OFF ..
+
+      - name: Build with CMake
+        working-directory: ./build
+        run: |
+          cmake --build .
+
+      - name: Run CTest
+        working-directory: ./build
+        run: |
+          ctest -j$(getconf _NPROCESSORS_ONLN) --timeout 5400 --output-on-failure -C ${{ matrix.build_type }}
+
   windows-distributable:
     name: Windows Distributable Dispatch
     needs: windows-test