start of clang ci

.github/workflows/win_clang_build.yml

@@ -0,0 +1,63 @@
+name: Build Test - Windows Clang
+
+on:
+  workflow_dispatch:
+  push:
+    branches: [ "main" ]
+    paths:
+      - "UE4SS/src/**"
+      - "UE4SS/include/**"
+      - "UE4SS/generated_src/**"
+      - "UE4SS/generated_include/**"
+      - "deps/**"
+      - "UE4SS/proxy_generator/**"
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    permissions: write-all
+    runs-on: windows-2022
+
+    strategy:
+      matrix:
+        include:
+         - { sys: mingw64, env: x86_64 }
+         - { sys: clang64, env: clang-x86_x64 }
+
+    steps:
+      - name: Setup github SSH
+        uses: shimataro/ssh-key-action@v2
+        with:
+          key: ${{ secrets.UEPSEUDO_SSH_KEY }}
+          known_hosts: unnecessary
+
+      - name: Setup MSYS
+        uses: msys2/setup-msys2@v2
+        with:
+          msystem: ${{matrix.sys}}
+          install: mingw-x64-${{matrix.env}}-openssl
+
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          submodules: recursive
+          fetch-depth: 0 # needed to get commits since last tag
+          ssh-key: ${{ secrets.UEPSEUDO_SSH_KEY }}
+
+      - name: Setup Ninja
+        uses: seanmiddleditch/gha-setup-ninja@v3
+
+      - name: Setup DirectX SDK (for xinput1_3.dll)
+        run: |
+          Invoke-WebRequest -URI https://download.microsoft.com/download/8/4/A/84A35BF1-DAFE-4AE8-82AF-AD2AE20B6B14/directx_Jun2010_redist.exe -OutFile dxredist.exe
+          Start-Process -Wait dxredist.exe -ArgumentList "/q /t:`"$PWD/dxredist`" /c"
+          Start-Process -Wait dxredist/DXSETUP.exe /silent
+          Invoke-WebRequest -URI https://download.microsoft.com/download/1/7/1/1718CCC4-6315-4D8E-9543-8E28A4E18C4C/dxwebsetup.exe -OutFile dxwebsetup.exe
+          Start-Process -Wait dxwebsetup.exe /q
+
+      - name: Build
+        run: |
+          cmake -B build -G Ninja -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_BUILD_TYPE=Game__Shipping__Win64
+          cmake --build build