[zeromq-dev] [gcs at debian.org: Re: Bug#743508: libzmq3: upgrading from 3.2.3 to 4.0.4 breaks python-pytango]

Goswin von Brederlow goswin-v-b at web.de
Fri Sep 26 08:11:36 CEST 2014

----- Forwarded message from "László Böszörményi (GCS)" <gcs at debian.org> -----

Date: Thu, 25 Sep 2014 09:48:03 +0200
From: "László Böszörményi (GCS)" <gcs at debian.org>
To: Goswin von Brederlow <goswin-v-b at web.de>, 743508 at bugs.debian.org
Subject: Re: Bug#743508: libzmq3: upgrading from 3.2.3 to 4.0.4 breaks


On Thu, Sep 25, 2014 at 4:06 AM, Goswin von Brederlow <goswin-v-b at web.de> wrote:
> do we realy need a libzmq.so.3 in Jessie? Upstream is preparing a new
> stable version now with libzmq.so.4. Given that the breakage between 3
> and 4 is minimal (easy to port your software, most just works) do we
> need to maintain 2 versions of zeromq?
 Just for the record, we are talking v2 (v2.2.0 to be more precise) to
v4 upgrade and not from a v3 one. Yes, only the Python bindings use v2
in the archive, but supports v4 as well (see compatibility[1]).
I don't know the compatibility level of the C/C++ API between v2 and
v4, but open to discussion if the former should be removed. At least
no other package uses it.
Do you know if upstream supports v2 (important and security fixes) or not?

[1] http://zeromq.org/bindings:python

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