try clang_cl

.github/workflows/msvc_clang.yml

@@ -0,0 +1,33 @@
+name: Windows-MSVC-CLANG
+
+on:
+  push:
+  workflow_dispatch:
+    inputs:
+      debug_enabled:
+        description: 'Run the build with tmate debugging enabled by `debug_enabled` keyword (https://github.com/marketplace/actions/debugging-with-tmate)'
+        required: false
+        default: false
+
+concurrency:
+  group: ${{ github.workflow }}-${{ (github.head_ref && github.ref) || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  windows_ref:
+    name: msvc/clang
+    runs-on: [windows-latest]
+    steps:
+    - name: Checkout the latest code (shallow clone)
+      uses: actions/checkout@v3
+    - name: Debug over SSH (tmate)
+      uses: mxschmitt/[email protected]
+      if: ${{ github.event_name == 'workflow_dispatch' && github.event.inputs.debug_enabled }}
+      with:
+        limit-access-to-actor: true
+    - name: configure
+      run: |
+        mkdir build
+        cd build
+        cmake -T ClangCL -DBUILD_SHARED_LIBS=OFF -DGINKGO_BUILD_CUDA=OFF -DGINKGO_BUILD_OMP=OFF ..
+        cmake --build . -j4