[CMake] Can I make the dependency scanner only look in certain include directories?

[Dan Furlani]

> As you point out CMake does not actually preprocess the sources.
> You can hide includes from it like this:

Hi Brad,

Thanks for the response.  I considered that, it would solve the
problem for the codegen, but then CMake wouldn't be aware of the
(legitimate) dependency when it builds the program code.

-dan