Baloo-widgets soversion

[Elvis Angelaccio]

On venerdì 20 luglio 2018 23:27:48 CEST, Antonio Rojas wrote:
>> This could be easily fixed by passing a fixed SOVERSION argument to 
>> ecm_setup_version(). But which one should be used? Would it be correct to 
>> use 5 even if the library version is going to be YY.MM.DD ?
>
> It should be 5 if there have been no ABI-breaking changes since 
> 18.04 and 6 otherwise.
>
> The soversion is meant to track backwards-incompatible ABI 
> changes and is independent of the library version. For projects 
> that follow a semantic versioning scheme it is customary that 
> the soversion coincides with the major version number, but 
> that's obviously not the case here. 

Makes sense. Here's the fix: https://phabricator.kde.org/D14258

Cheers,
Elvis