[CMake] Editing IMPORTED targets

[Stephen Kelly]

Ivan Shapovalov wrote:

> Hello!
> 
> Using find modules to detect dependencies has a nice feature: it is
> then possible to edit the resulting cache entries to link to different
> libraries (or add other libraries along the found ones, for whatever
> purposes), or change directories, or flags, or whatever.
> 
> Using find configs and IMPORTED targets, however, prevents doing this,
> because IMPORTED targets are not stored in CMake cache. This can be a
> significant disadvantage at times.

Can you be more specific?

Why can the user provide better information than the supplier of the 
IMPORTED target?

Thanks,

Steve.