[PATCH] Fix the samba3 dependency hell

[Michael Adam]

On 2016-12-02 at 07:58 +1300, Andrew Bartlett wrote:
> On Tue, 2016-11-29 at 09:03 +0100, Andreas Schneider wrote:
> > On Wednesday, 23 November 2016 21:52:21 CET Michael Adam wrote:
> > > 
> > > On 2016-11-22 at 17:36 +0100, Andreas Schneider wrote:
> > > > 
> > > > On Tuesday, 22 November 2016 14:20:00 CET Andreas Schneider
> > > > wrote:
> > > > > 
> > > > > Hello,
> > > > > 
> > > > > last week I sent a patch to fix an issue with newer versions of
> > > > > the gold
> > > > > linker complaining about our circular dependencies.
> > > > > 
> > > > > This patch did not work on Ubuntu. It looks like I produces an
> > > > > issue
> > > > > with
> > > > > the Kerberos library. On Ubuntu 14.04 we link against openldap2
> > > > > libaries
> > > > > which link against Kerberos libraries. So when we link smbd we
> > > > > link
> > > > > against
> > > > > two Kerberos libaries, yay!
> > > > > 
> > > > > 
> > > > > However I needed a different approach to fix the circular
> > > > > dependencies.
> > > > > Yes, we have two of them:
> > > > > 
> > > > > param => smbconf
> > > > > smbconf => param
> > > > > 
> > > > > and
> > > > > 
> > > > > smbconf => smbregistry
> > > > > smbregistry => smbconf
> > > 
> > > There are more, just not so simple ones.
> > > I'll post a patchset that resolves another
> > > circular dep which I fixed 3 years ago.
> > > Just found the patch again. ;-)
> > > 
> > > > 
> > > > > 
> > > > > I've tried to change smbconf first to only consume samba-
> > > > > hostconfig, but
> > > > > this didn't work. Decoupling param from smbconf is also not
> > > > > possible. So
> > > > > thinking about this mess there was only one solution.
> > > > > 
> > > > > As smbconf is a public library, param a subsystem and
> > > > > smbregistry a
> > > > > library
> > > > > the correct thing to do is to push everything in smbconf
> > > > > library.
> > > > > 
> > > > > That's what I did. So everything links against smbconf now.
> > > > > 
> > > > > 
> > > > > Please review the attached patchset and push if you're ok.
> > > > > 
> > > > > 
> > > > > 
> > > > > Thanks,
> > > > > 
> > > > > 	Andreas
> > > > 
> > > > Updated patchset
> > > 
> > > What is the update about? :-)
> > > (Sure I could diff the patchset files... ;-)
> > > 
> > > No final review yet, but a few initial thoughts:
> > > 
> > > - Why the 55 reformatting patches?
> > >   This kind of contradicts the samba guidelines
> > >   of only reformatting the contexts that we touch
> > >   with the actual changes.
> > > 
> > > - Regarding the actual dependency changes, I would
> > >   like to think about this a little more, as I was
> > >   on it some time ago but got distracted. I assume
> > >   though that your approach is correct at least
> > >   for the short term.
> > > 
> > > - The smaller dep-change patches are definitely ok.
> > > 
> > > Will follow up ...
> > 
> > Ping!
> 
> I'm happy with them: 
> 
> Reviewed-by: Andrew Bartlett <abartlet at samba.org>

Reviewed-by: me.

Will push but need to go over the many patches
and add review and signoff tags.

> More work naturally welcome, but this seems a very reasonable start.

Indeed!

Cheers - Michael

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