[CMake] Xcode paths not turning out right

[Brad King]

David Cole wrote:
> Sounds like maybe you are using "${CMAKE_CURRENT_SOURCE_DIR}" in a 
> function or macro..... (defined at the top level, but called from a 
> lower level)...

That works just fine...evaluation of the variable is the location
of the current CMakeLists.txt file, not the file containing the
reference.  Robert already said it works in VS generators.

-Brad