Enable visual studio builds

.github/workflows/ci.yml

@@ -11,22 +11,37 @@ on:
       - master
 
 jobs:
-# disable visual studio build until the exported symbols problem is fixed once and for all
-#  visual-studio:
-#    timeout-minutes: 60
-#    runs-on: windows-latest
-
-#    steps:
-#    - uses: actions/checkout@v2
-#    - name: Setup python
-#      uses: actions/setup-python@v1
-#      with:
-#        python-version: 3.8
-#    - uses: ilammy/msvc-dev-cmd@v1
-#    - uses: BSFishy/[email protected]
-#      with:
-#        action: test
-#        setup-options: -Dwith-fortran=false
+  visual-studio:
+    timeout-minutes: 60
+    runs-on: windows-latest
+    strategy:
+      matrix:
+        python-version: ['3.8', '3.9', '3.10']
+        compiler:
+          - cl
+          - clang-cl
+          - clang
+    name: Visual Studio with ${{matrix.compiler}} and Python ${{ matrix.python-version }}
+    steps:
+    - uses: actions/checkout@v3
+    - uses: conda-incubator/[email protected]
+      with:
+        auto-update-conda: true
+        channels: conda-forge
+        python-version: ${{ matrix.python-version }}
+    - name: Install meson, ninja, numpy and cython
+      run: |
+        conda install -q -y meson ninja clang m2w64-gcc-fortran
+    - uses: ilammy/[email protected]
+    - name: Build with meson
+      run: |
+        meson setup meson-build --buildtype=release -Dwith-fortran=true
+        meson compile -C meson-build
+        meson test -C meson-build
+        # ninja -v -C meson-build dist
+      env:
+        CC: ${{ matrix.compiler }}
+        CXX: ${{ matrix.compiler }}
 
   macos:
     timeout-minutes: 60