[CMake] Thoughts on Cross-compiling with CMake

[Trevor Kellaway]

Alan,

> Just to clarify, have you implemented cmake cross-compiling 
> with changed and added module files alone or do you also need 
> C++ code changes?  One large advantage of a pure module 
> approach is it would be much easier to get it into official CMake.

Module file changes alone, and even these are fairly minimal (see the
patch in this thread), no changes to source code.

 - TrevK