Mac UB build

[Sean Wilson]

> I thought of this as well. However, before we answer that, the question
> is that does a Mac even adhere to the same hierarchy logic as Windows
> does? In Windows, the application looks for the DLL files in the local
> folder and then in the parent folders. From what I know of Unix, Unix
> doesn't do that, it relies on a library path to get to the files it
> needs. Then, does Mac also do the same? If yes, then I think it is
> likely out of scope for Valentina to look first in the .app bundle for
> components, because the underlying OSX's library path gets to decide
> that.

I was suggesting that this should be coded into the Valentina engine 
instead of relying on the OS to do it, but admit to having no in depth 
knowledge of how complex this might be. Perhaps it's all been discussed 
before.