[CMake] print path variables within submodules?

[Carlton Banks]

> Den 30. okt. 2017 kl. 16.53 skrev Gonzalo Garramuño <ggarra13 at gmail.com>:
> 
> 
> 
> El 29/10/17 a las 09:02, Carlton Banks escribió:
>> I am using submodule cmake, in which the relative paths becomes a bit more confusing that I would have hoped.
>> 
>> Is there a way to print the path like ${source_dir} and so on within the CMAKElist, so I can keep track of the paths defined?
>> 
>> I tried `message(${source_dir})` but the output is empty
>> 
> 
> Try message( ${CMAKE_CURRENT_SOURCE_DIR} )
That just output an empty message...
> 
> -- 
> Gonzalo Garramuño
>