arm64 test

.github/workflows/build_win-arm64.yml

@@ -0,0 +1,42 @@
+name: Build latest (Win ARM64)
+on: [push]
+
+concurrency:
+  group: ${{ github.ref }}-winarm64
+  cancel-in-progress: true
+
+jobs:
+  build-64:
+    if: github.ref_name == github.event.repository.default_branch
+    runs-on: ubuntu-latest
+    container:
+      image: dockcross/windows-arm64
+    steps:
+      - uses: actions/checkout@v4
+      - name: Compile ARM64 Windows builds
+        shell: bash
+        id: compile
+        env: 
+          COMMON_FLAGS: "-O1 -s -fno-stack-protector -fno-math-errno -Qn"
+          WIN64_FLAGS:  "-mwindows -nostartfiles -Wl,-emain_real -DCC_NOMAIN"
+        run: |
+          sudo apt-get -y install gcc-mingw-w64-x86-64
+          LATEST_FLAG=-DCC_COMMIT_SHA=\"$(git rev-parse --short "$GITHUB_SHA")\"  
+          
+          cp misc/windows/CCicon_64.res src/CCicon_64.res
+          cd src
+          aarch64-w64-mingw32-clang *.c ${{ env.COMMON_FLAGS }} ${{ env.WIN64_FLAGS }} -o cc-arm64-d3d9.exe  $LATEST_FLAG -lwinmm -limagehlp
+          
+          
+      - uses: ./.github/actions/notify_failure
+        if: ${{ always() && steps.compile.outcome == 'failure' }}
+        with:
+          NOTIFY_MESSAGE: 'Failed to compile ARM64 bit Windows build'
+          WEBHOOK_URL: '${{ secrets.WEBHOOK_URL }}'
+
+
+      - uses: ./.github/actions/upload_build
+        if: ${{ always() && steps.compile.outcome == 'success' }}
+        with:
+          SOURCE_FILE: 'src/cc-arm64-d3d9.exe'
+          DEST_NAME: 'ClassiCube-Arm64-Direct3D9.exe'