Re: Re: [GENERAL] 7.0 vs. 7.1 (was: latest version?) - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Re: [GENERAL] 7.0 vs. 7.1 (was: latest version?)
Date
Msg-id 29187.972658467@sss.pgh.pa.us
Whole thread Raw
In response to Re: [GENERAL] 7.0 vs. 7.1 (was: latest version?)  (Lamar Owen <lamar.owen@wgcr.org>)
Responses Re: Re: [GENERAL] 7.0 vs. 7.1 (was: latest version?)  (Bruce Momjian <pgman@candle.pha.pa.us>)
List pgsql-hackers
Lamar Owen <lamar.owen@wgcr.org> writes:
> Unfortunately RPM deems a dependency upon libpq.so.2.0 to not be
> fulfilled by libpq.so.2.1 (how _can_ it know?  A client linked to 2.0
> might fail if 2.1 were to be loaded under it (hypothetically)).

If so, I claim RPM is broken.

The whole point of major/minor version numbering for .so's is that
a minor version bump is supposed to be binary-upward-compatible.
If the RPM stuff has arbitrarily decided that it won't honor that
definition, why do we bother with multiple numbers at all?

> So, PostgreSQL 7.1 is slated to be libpq.so.2.2, then?

To answer your question, there are no pending changes in libpq that
would mandate a major version bump (ie, nothing binary-incompatible,
AFAIK).  We could ship it with the exact same version number, but then
how are people to tell whether they have a 7.0 or 7.1 libpq?
        regards, tom lane


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