UE4 mac 下 报错Shared UE4Editor.app binary to be deleted.

链接：https://answers.unrealengine.com/questions/343297/xcode-clean-project-causes-shared-ue4editorapp-bin.html

clang: error: no such file or directory: '/Users/Shared/UnrealEngine/4.10/Engine/Binaries/Mac/UE4Editor.app/Contents/MacOS/UE4Editor-Core.dylib' 
clang: error: no such file or directory: '/Users/Shared/UnrealEngine/4.10/Engine/Binaries/Mac/UE4Editor.app/Contents/MacOS/UE4Editor-CoreUObject.dylib' 
clang: error: no such file or directory: '/Users/Shared/UnrealEngine/4.10/Engine/Binaries/Mac/UE4Editor.app/Contents/MacOS/UE4Editor-Engine.dylib' 
clang: error: no such file or directory: '/Users/Shared/UnrealEngine/4.10/Engine/Binaries/Mac/UE4Editor.app/Contents/MacOS/UE4Editor-InputCore.dylib' 
ERROR: UBT ERROR: Failed to produce item: /Users/saim/Projects/Unreal/Travelers/Binaries/Mac/UE4Editor-${PROJECT_NAME}.dylib

If you check the file system, you can find that the file is actually missing.

You can reinstall the missing UE4Editor.app via Epic Launcher > Select the engine > Verify.

After "Verify", build works again.

I think Xcode clean is removing the shared binary mistakenly.