checking "external" lib versions

[Bjoern Michaelsen]

On Tue, May 21, 2013 at 08:16:44AM -0400, Kohei Yoshida wrote:
> On 05/21/2013 08:10 AM, Bjoern Michaelsen wrote:
> >Hi,
> >
> >On Sat, May 18, 2013 at 05:40:38PM -0400, Kohei Yoshida wrote:
> >>>Trying to build libreoffice 4.0.3.3 with liborcus 0.5.1 and that
> >>>unfortunately
> >>>fails with:
> >>You can't build the 4.0 branch with 0.5.1. You need to use 0.3.0.
> >As package maintainer, I have been repeatedly nagged about the versioning of
> >the essentially TDF-hosted but officially external libs (not only orcus, but
> >also wp*, cmis and friends). "Proper" versioning would go with full so-name
> >versioning for ABI-changes etc.
> FWIW, liborcus clearly defines API version.  The one for 4.0 is
> liborcus-4.0, and the one for the master is liborcus-6.0. Is there
> anything else you are suggesting we do?

Hmm, indeed:
$ readelf -d /usr/lib/liborcus-0.4.so.0|grep soname
 0x000000000000000e (SONAME)             Library soname: [liborcus-0.4.so.0]

I need to check which libs that nagging was about.

Best,

Bjoern