[CMake] Multiple generators on the same library

[Trevor Kellaway]

Filipe,

> > I'd suggest that the FAQ includes an example, it would make 
> life much 
> > easier for newbies.
> 
> You are absolutely right
> 
> however
> http://www.cmake.org/HTML/RunningCMake.html

Hm, obviously not visible enough, as I never found it and looked fairly
hard.

I've updated the Wiki FAQ with this info, and a note about ensuring any
in-place build is cleaned.

 
http://www.cmake.org/Wiki/CMake_FAQ#What_is_an_.22out-of-source.22_build
.3F

 - TRevK