Merge pull request godotengine#104307 from akien-mga/ci-macos-vulkan-sdk-optional

CI: Build macOS binary without Vulkan if Vulkan SDK fails installing

Author: Repiteo

.github/workflows/macos_builds.yml

@@ -44,21 +44,28 @@ jobs:
         uses: ./.github/actions/godot-deps
 
       - name: Setup Vulkan SDK
+        id: vulkan-sdk
         run: |
-          sh misc/scripts/install_vulkan_sdk_macos.sh
+          if sh misc/scripts/install_vulkan_sdk_macos.sh; then
+            echo "VULKAN_ENABLED=yes" >> "$GITHUB_OUTPUT"
+          else
+            echo "::warning::macOS: Vulkan SDK installation failed, building without Vulkan support."
+            echo "VULKAN_ENABLED=no" >> "$GITHUB_OUTPUT"
+          fi
+        continue-on-error: true
 
       - name: Compilation (x86_64)
         uses: ./.github/actions/godot-build
         with:
-          sconsflags: ${{ env.SCONSFLAGS }} arch=x86_64
+          sconsflags: ${{ env.SCONSFLAGS }} arch=x86_64 vulkan=${{ steps.vulkan-sdk.outputs.VULKAN_ENABLED }}
           platform: macos
           target: ${{ matrix.target }}
           tests: ${{ matrix.tests }}
 
       - name: Compilation (arm64)
         uses: ./.github/actions/godot-build
         with:
-          sconsflags: ${{ env.SCONSFLAGS }} arch=arm64
+          sconsflags: ${{ env.SCONSFLAGS }} arch=arm64 vulkan=${{ steps.vulkan-sdk.outputs.VULKAN_ENABLED }}
           platform: macos
           target: ${{ matrix.target }}
           tests: ${{ matrix.tests }}