[Pkg-telepathy-maintainers] API virtual package

[Diane Trout]

Ok

That all makes sense and thank you for the explanation.

Although this there was some other reason for double clickong on the contact 
list not being able to bring open a chat window.

Back to debugging.... 

Diane 

On Thursday, September 25, 2014 11:27:30 Simon McVittie wrote:
> On 25/09/14 05:00, Diane Trout wrote:
> > I was trying to try the next version kde-telepathy and ran into a problem.
> > It looks like the current version of telepathy-qt is built against
> > telepathy spec 0.27.3, and it looks like the glib version in unstable is
> > 0.24.1.
> 
> telepathy-glib and telepathy-spec versions are not synchronized. They
> probably should have been, but they aren't.
> 
> As it happens, telepathy-glib 0.24.1 also contain code generated from
> exactly spec 0.27.3 (look in spec/all.xml in its source).
> 
> However, whether this was the case or not, it would be OK for
> telepathy-qt and telepathy-glib to not match exactly, because the
> Telepathy spec has been fully backwards-compatible for a long time (at
> least 5 years, which is as far back as telepathy-glib's NEWS goes), and
> we have been careful to ensure that telepathy-glib's and telepathy-qt's
> API and ABI remain backwards-compatible when upgraded to newer
> compatible spec versions.
> 
> > Maybe there could be something similar for telepathy so we can keep all
> > the
> > versions talking the same spec?
> 
> "Telepathy 0" is all backwards-compatible (back to 0.12 or something,
> which was more than 5 years ago).
> 
> "Telepathy 1" (the 0.99.x snapshots) is not backwards-compatible, and is
> also not ready yet (and it doesn't look as though it's going to be any
> time soon). It is designed to be fully parallel-installable with
> "Telepathy 0".
> 
> Debian 8 should only contain "Telepathy 0" components.
> 
> (Vague analogy: if Telepathy 0 is like Qt 3, then Telepathy 1 is like Qt 4.)
> 
> You only need API virtual packages like phpapi-* when your upstream
> expects you to rebuild everything at semi-regular intervals, which is
> not the case for Telepathy.
> 
>     S
> 
> 
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