Review of File to be Added to kdelibs/cmake/modules

[Yury G. Kudryashov]

Paulo Rômulo wrote:

> Hello.
> 
> I'm intending to add the attached file to kdelibs/cmake/modules in order
> to conditionally build the Solid UPnP backend. This file tries to find the
> HUPnP library on the system. Is everything ok with that? Can I commit?

I don't think that it is a good idea to mention why do we need a package in 
FindFoo.cmake. What if other package will find_package(HUpnp)? I think that 
"needed for Solid" should be moved to macro_log_feature after 
macro_optional_find_package(HUpnp).