Which package will provide the common KDE library version number ?

[Alexander Neundorf]

On Wednesday 11 April 2012, Stephen Kelly wrote:
> Alexander Neundorf wrote:
> > On Saturday 10 March 2012, Alexander Neundorf wrote:
> > ...
> > 
> >> Also, this means the term "KDE frameworks" doesn't actually mean a lot.
> >> I mean, what would make a library a "KDE frameworks library" ?
> >> Being part of the KDE SC releases ?
> >> 
> >> But I'm really not sure this will result in a pleasant experience for
> >> developers and maybe also packagers to build the whole thing.
> >> 
> >> If we go that route, I'd like to have somebody volunteering to do the
> >> support for all those people who will have problems building due to
> >> dependency problems, or a strange mixture of versions that has been
> >> found, or people complaining that they already have to upgrade their
> >> cmake again because some library upped their required version. I don't
> >> feel like doing the support for this.
> >> 
> >> If we want to keep a mostly smooth experience for developers working on
> >> multiple parts/the whole KDE SC (which is IMO one of the things which
> >> make up "KDE"), this is IMO not the way to go.
> > 
> > Ok, most of the work in cmake itself is done, now back to KDE...
> > 
> > So, what I currently have in mind of how "KDE frameworks libraries" will
> > install and how they will be usable:
> > 
> > * each KDE frameworks library will install a KFooConfig.cmake file
> > * by using find_package(KFoo CONFIG_MODE) this Config.cmake file will be
> > used directly
> 
> Sounds good. It's partly there, but needs to be redesigned.
> 
> > , no guarantees about matching versions etc.
> 
> I think you mean that the developer using the frameworks is responsible for
> ensuring that the versions he chooses work together, and we only guarantee
> that frameworks of the same version work together. Is that what you mean?

Yes.

> > * we will provide a FindKF5.cmake, which supports components:
> > find_package(KF5 REQUIRED_COMPONENTS kcore OPTIONAL_COMPONENTS kwidgets)
> > * this find-module will ensure that only matching Config.cmake files are
> > found, and can have additional logic for layering two installations of
> > KDE frameworks (one from the system, shadowed partly by the one(s) the
> > developer is working on)
> > 
> > How does that sound ?
> 
> Sounds great.

Ok, I'll go ahead and work in it.

Alex