Add Windows to CI matrix

Author: bdcbqa314159

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ jobs:
   build:
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest]
+        os: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
 
     steps:
@@ -19,8 +19,13 @@ jobs:
       - name: Configure
         run: cmake -B build -DCMAKE_BUILD_TYPE=Release
 
-      - name: Build
+      - name: Build (Unix)
+        if: runner.os != 'Windows'
         run: cmake --build build -j$(nproc 2>/dev/null || sysctl -n hw.ncpu)
 
+      - name: Build (Windows)
+        if: runner.os == 'Windows'
+        run: cmake --build build --config Release -j $env:NUMBER_OF_PROCESSORS
+
       - name: Test
-        run: ctest --test-dir build --output-on-failure
+        run: ctest --test-dir build --output-on-failure -C Release