On Tuesday 18 January 2011 19:09:08 Pascal Stumpf wrote:
> On Tue, Jan 18, 2011 at 10:57:55PM +0100, Matthias Kilian wrote:
> > On Tue, Jan 18, 2011 at 12:06:13AM +0100, Pascal Stumpf wrote:
> > > > The version you're using in your port is even wrong. A shared library
> > > > must have the name libFOO.so.major.minor. I've fixed this (and set
> > > > the version to 1.0). Also some cleanups (less patches, allow for
> > > > orverriding CC, CXX, CFLAGS, CXXFLAGS etc.).
> > >
> > > Ok, sorry. It was utterly stupid to follow the FreeBSD port there. :/
> > > But I think we should stick closer to what the authors originally
> > > intended, and use $(VERSION_MAJOR).$(VERSION_MINOR) for the library
> > > name; the same thing is passed to -soname.
> >
> > Sure, you can do this for a new port (like Irrlicht) if you like.
> > But version numbers vill very soon diverge between with a projects
> > version number and the shared library version number.
> >
> > - Many projects treat version nimbers (for both the project *and*
> >   shared librararies) based on policy, not on compatility.
> >
> > - We ports people don't trust upstream on shared library versions,
> >   and there's a good reason for it. We've seen so many upstream
> >   minor bumps which contained ABI and API breakage that we prefer
> >   to decide ourselves on version numbers of shared libs. Yes, that
> >   means that you will have to read the diffs for any update of
> >   Irrlicht and to check wether they missed a major bump.
> >
> >
> > Really, I had this fun with poppler (IIRC), where ABI changes
> > happened without major bumps from upstream.
> >
> > Advice of the day: sheared library version numbers are no coupled
> > in any way to the projects version numbers.
> >
> > Ciao,
> >     Kili
>
> Hi,
> thanks for the advice. What made me choose to follow the upstream
> versioning scheme was the fact that by passing 1.7 to -soname, upstream
> seemed indicate that major API changes are only due for ‘minor’
> releases. Judging from the changelog, it seems to be true that the third
> digit indicates bugfix-only (well, almost …) releases, so the shlib
> version suggested in the Makefile reflects that accurately.
>
> So, I’d just leave it alone for now, and if they really do make changes
> to the API in a ‘bugfix-only’ release, we can still do our own bump if
> it’s needed.

Remove using -soname for linking shared libs with OpenBSD.

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