Split GDM packages

Bug #1162849 reported by Pierre-Antoine Champin on 2013-04-01
This bug affects 1 person
Affects Status Importance Assigned to Milestone
gdm (Ubuntu)
gnome-shell (Ubuntu)

Bug Description

The problem is that when someone using Ubuntu with Unity installs gnome-shell, they are prompted to choose a display manager but there isn't enough information about which one to choose.

Original bug report
gnome-shell depends on gdm;
however, it is possible to use gnome-shell with another session manager (esp. lightdm which is the default on ubuntu).

So this dependency seems too strong. It should either
* be changed to a recommend
* be a dependency on gdm | lightdm (possibly adding other session managers?)

Jeremy Bicha (jbicha) wrote :

gnome-shell won't run if you don't have gdm installed. See bug 1054288 for more information.

Changed in gnome-shell (Ubuntu):
status: New → Invalid
Tim Lunn (darkxst) wrote :

we could split out libgdm into its own package and depend on that?

Jeremy Bicha (jbicha) wrote :

Tim, I looked into doing that and it didn't seem possible. Maybe you'll have better luck because it would be rather nice if we could do it.

Thank you Jeremy for this information (I had an intuition that it might be the case, but wasn't sure).

Re. Tim's proposal, an idea could be to have a packaged called "libgdm" that would contain all the binary files (including executable), and a package calle "gdm" that would only contain the configuration scripts that (propose to) install gdm as the default session manager (and the latter would obviously depends on the former).

Pros: would provide a better user experience for people installing gnome-shell (or other libdgm-depending packages)
Cons: it is a bit of a hack (and might even be forbidden by the debian/ubuntu package-naming policiy??...)

Jeremy Bicha (jbicha) wrote :

Thanks, that does sound like a way to split the package. I'm going to go ahead and re-open this bug so that if anyone wants to work on that idea, they can.

summary: - change dependency on gdm
+ Split GDM packages
description: updated
Tim Lunn (darkxst) wrote :

It should be sufficient to just include the following files in a seperate libgdm binary package (well these are symlinks so also need the corresponding files for /usr/lib/gdm)


There is no dependency on any of the other gdm binaries that I am aware of.

Jeremy Bicha (jbicha) wrote :

Re-opening the gnome-shell task as I'm hesitant to have gnome-shell depend only on libgdm until bug 1181632 is fixed.

Changed in gnome-shell (Ubuntu):
status: Invalid → Triaged
importance: Undecided → Low
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package gdm -

gdm ( saucy; urgency=low

  [ Simon McVittie ]
  * Tell dh_shlibdeps to look in libgdm to satisfy the shared library
    dependencies, and add a shlibs.local for them
 -- Jeremy Bicha <email address hidden> Thu, 06 Jun 2013 16:22:02 -0400

Changed in gdm (Ubuntu):
status: New → Fix Released
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package gnome-shell - 3.8.3-1ubuntu4

gnome-shell (3.8.3-1ubuntu4) saucy; urgency=low

  * Depend on libgdm instead of gdm and suggest gdm. This avoids needing to
    choose between lightdm and gdm when installing gnome-shell (LP: #1162849)
 -- Jeremy Bicha <email address hidden> Mon, 22 Jul 2013 21:00:17 -0400

Changed in gnome-shell (Ubuntu):
status: Triaged → Fix Released
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