[CMake] lexical scoping

[Bill Hoffman]

David Cole wrote:
> After all the discussion / suggestions that have been part of this 
> thread, I like the following best:
> 
> local(scope_name)
>   set(var1 "value1")
>   set(var2 "value2")
> endlocal(scope_name)
> 
I would prefer to declare the variables that are part of the scope.  I 
think you would want to reference and set global variables from within a 
scope.  The PARENT_SCOPE maybe needed as well.

local(scope_name var1 var2 ... varN)

endlocal(scope_name)


-Bill