[CMake] Function declaration scope

[Alexander Neundorf]

On 2016 M11 29, Tue 14:42:49 CET Robert Bielik wrote:
> Hmm.. using v3.7 the answer is no, i.e. a function declared in a subfolder
> will be available in parent scope. Seems a bit odd, doesn't it ?

this has been discussed here just recently...

Functions and macros are global.
Once they are defined, they are available everywhere, also in parent 
directories etc.

Alex