Add WoA workflows file

Author: matthew-brett

.github/workflows/windows-arm.yml

@@ -0,0 +1,80 @@
+name: Windows-on-ARM
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+  workflow_dispatch: null
+
+env:
+  OPENBLAS_COMMIT: "v0.3.29"
+  OPENBLAS_ROOT: "c:\\opt"
+  # Preserve working directory for calls into bash
+  # Without this, invoking bash will cd to the home directory
+  CHERE_INVOKING: "yes"
+  BASH_PATH: "c:\\rtools40\\usr\\bin\\bash.exe"
+
+jobs:
+  build:
+    runs-on: windows-11-arm
+
+    timeout-minutes: 90
+    steps:
+    - uses: actions/checkout@v4.1.1
+
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: 3.9
+        architecture: arm64
+
+    - name: Build
+      run: |
+        git submodule update --init --recursive
+        .\tools\build_steps_win_arm64.bat
+
+    - name: Test
+      run: |
+        & $env:BASH_PATH -lc tools/build_gfortran.sh
+        echo "Static test"
+        .\for_test\test.exe
+        echo "Dynamic test"
+        .\for_test\test_dyn.exe
+
+    - name: Copy
+      run: |
+        cp for_test\test*.exe builds
+
+    - uses: actions/upload-artifact@v4.3.0
+      with:
+        name: wheels-${{matrix.plat }}-${{ matrix.INTERFACE64 }}
+        path: dist/scipy_openblas*.whl
+
+    - uses: actions/upload-artifact@v4.3.0
+      with:
+        name: openblas-${{matrix.plat }}-${{ matrix.INTERFACE64 }}
+        path: builds/openblas*.zip
+
+    - name: Test 64-bit interface wheel
+      run: |
+        python -m pip install --no-index --find-links dist scipy_openblas64
+        python -m scipy_openblas64
+        python -c "import scipy_openblas64; print(scipy_openblas64.get_pkg_config())"
+
+    - name: Install Anaconda client
+      run: |
+        wget https://static.rust-lang.org/rustup/dist/aarch64-pc-windows-msvc/rustup-init.exe -Outfile rustup-init.exe
+        .\rustup-init.exe -y
+        $env:PATH="$env:PATH;$env:USERPROFILE\.cargo\bin"
+        pip install anaconda-client
+
+    - name: Upload
+      # see https://github.com/marketplace/actions/setup-miniconda for why
+      # `-el {0}` is required.
+      shell: bash -el {0}
+      env:
+       ANACONDA_SCIENTIFIC_PYTHON_UPLOAD: ${{ secrets.ANACONDA_SCIENTIFIC_PYTHON_UPLOAD }}
+      run: |
+        source tools/upload_to_anaconda_staging.sh
+        upload_wheels