CI: Add MSVC/SDL builds

.github/workflows/build.yml

@@ -200,7 +200,7 @@ jobs:
           ./bin/OSX/AutomatedTest null
 
   msvc:
-    name: VS 2019 ${{ matrix.config.arch }}
+    name: VS 2019 ${{ matrix.config.arch }} ${{ matrix.sdl.label }}
     runs-on: windows-2019
     env:
       VCPKG_VERSION: 14e7bb4ae24616ec54ff6b2f6ef4e8659434ea44
@@ -218,6 +218,14 @@ jobs:
             arch: x64
             generator: "-G'Visual Studio 16 2019' -A x64"
             vcpkg_triplet: x64-windows
+        sdl:
+          -
+            use: FALSE
+            label: '(no SDL)'
+          -
+            use: TRUE
+            label: '(with SDL)'
+            vcpkg_packages: sdl2
 
     steps:
       - name: Checkout
@@ -226,7 +234,7 @@ jobs:
       - name: Restore from cache and run vcpkg
         uses: lukka/run-vcpkg@v7
         with:
-          vcpkgArguments: ${{env.vcpkg_packages}}
+          vcpkgArguments: ${{env.vcpkg_packages}} ${{matrix.sdl.vcpkg_packages}}
           vcpkgDirectory: '${{ github.workspace }}\vcpkg'
           appendedCacheKey: ${{ matrix.config.vcpkg_triplet }}
           vcpkgGitCommitId: ${{ env.VCPKG_VERSION }}
@@ -235,6 +243,7 @@ jobs:
       - name: CMake
         run: |
             cmake ${{matrix.config.generator}}  `
+            -DUSE_SDL2=${{matrix.sdl.use}}  `
             -DCMAKE_TOOLCHAIN_FILE="${{ github.workspace }}\vcpkg\scripts\buildsystems\vcpkg.cmake"  `
             -DCMAKE_BUILD_TYPE=Release .