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Re: Bug#862338: libsmbclient is not multi-arch co-installable due to samba-libs->python-talloc

On Tue, 2021-11-02 at 06:14 +0100, Helmut Grohne wrote:
> Control: tags -1 - patch
> On Mon, Nov 01, 2021 at 10:53:13PM +0000, Vasyl Gello wrote:
> > I encountered the same issue trying to cross-build Kodi. Johannes
> > advised me to try
> > splitting Python libraries from samba-libs in [1] and I quickly
> > crafted the first
> > draft of the change (see attached debdiff). It solved my issue and
> > the issue
> > reported in this bug:
> Thank you for working on this. Unfortunately, it's not quite ready
> yet.
> Please keep in mind that the reason for this bug being open for so
> long
> most likely is that it is a difficult problem. At least I have stayed
> away from it for that reason.
> Your patch moves files between packages. At the very least that
> requires
> Breaks and Replaces relations. Without them, it will fail piuparts
> and
> receive an rc bug from Andreas Beckmann at best or get angry users at
> worst.
> Then Andrew Bartlett pointed out that other packages may depend on
> that
> functionality via samba-libs. Of course those need to have their
> Depends
> updated and we need another pile of Breaks here. Figuring out what is
> broken is a difficult aspect. An incomplete approach would be running
> every single autopkgtest of every single transitive reverse
> dependency.
> Unfortunately, there is lots of them and it only gives you a lower
> bound
> of what is broken, but you'd really want an upper bound.

My recommendation is that someone works with us upstream to kill samba-
libs, which would reduce the set.  It should be a SUBSYSTEM used by the
python module in the same directory only.

Then work to disable the C->python bindings except in a selftest build
(we don't go C->python in production, only Python -> C).  That will
remove the problem once and for all.

But do this upstream.

Andrew Bartlett
Andrew Bartlett (he/him)       https://samba.org/~abartlet/
Samba Team Member (since 2001) https://samba.org
Samba Team Lead, Catalyst IT   https://catalyst.net.nz/services/samba

Samba Development and Support, Catalyst IT - Expert Open Source

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