Add CMake Actions

Also add a patch reported needed for MSVC

.github/workflows/feature.yml

@@ -0,0 +1,36 @@
+name: Feature
+
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build_feature:
+    name: Build feature
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        include:
+          - os: ubuntu-latest
+            name: linux
+            dir_build: ./build
+          - os: macos-latest
+            name: mac
+            dir_build: ./build
+          - os: windows-latest
+            name: win
+            dir_build: ./build/Release
+    steps:
+
+      - name: Checkout code
+        uses: actions/checkout@v2
+        with:
+          submodules: recursive
+
+      - name: Build binary
+        run: |
+          cmake -S . -B ./build -DCMAKE_BUILD_TYPE=Release -DCMAKE_OSX_ARCHITECTURES="arm64;x86_64"
+          cmake --build ./build --config Release
+          ls "${{ matrix.dir_build }}"

CMakeLists.txt

@@ -52,6 +52,9 @@ function (addAirwin airwin)
                -Wno-parentheses   # these ones look like actual bugs tbh
                 )
     endif()
+    if (MSVC)
+	target_compile_definitions(${awt} PRIVATE -D_USE_MATH_DEFINES)
+    endif()
 
     set(CREATE_FN "${awt}CreateEffectInstance")
     set(AIRWIN_NAME "${airwin}")