[Bug 963069] Re: Lucid -> Precise universe: pkgProblemResolver::Resolve generated breaks - libgtk2.0-dev

[Martin Pitt]

It seems it still cannot install libgtk2.0-dev:

Broken libgtk2.0-dev:amd64 Depends on gir1.2-gtk-2.0 [ amd64 ] < none -> 2.24.10-0ubuntu5 > ( libs )
  Considering gir1.2-gtk-2.0:amd64 3 as a solution to libgtk2.0-dev:amd64 5
  Removing libgtk2.0-dev:amd64 rather than change gir1.2-gtk-2.0:amd64


which is due to

Investigating (0) gir1.2-gtk-2.0 [ amd64 ] < none -> 2.24.10-0ubuntu5 > ( libs )
Broken gir1.2-gtk-2.0:amd64 Conflicts on gir1.0-gtk-2.0 [ amd64 ] < 2.20.1-0ubuntu2.1 > ( libs )
  Considering gir1.0-gtk-2.0:amd64 3 as a solution to gir1.2-gtk-2.0:amd64 3
  Holding Back gir1.2-gtk-2.0:amd64 rather than change gir1.0-gtk-2.0:amd64

So gir1.0-gtk-2.0 has the same score (3) than gir1.2-gtk-2.0, and apt
refuses to replace it. As gir1.0-* were removed long ago, we need to
find a way to increase the score of gir1.2-gtk-2.0.

** Summary changed:

- Lucid -> Precise universe: pkgProblemResolver::Resolve generated breaks - libgtk2.0-dev
+ Lucid -> Precise universe: pkgProblemResolver::Resolve generated breaks - does not replace gir1.0-gtk-2.0 with gir1.2-gtk-2.0

** Package changed: opencv (Ubuntu) => gtk+2.0 (Ubuntu)

** Changed in: gtk+2.0 (Ubuntu)
       Status: Confirmed => New

** Also affects: gtk+2.0 (Ubuntu Precise)
   Importance: High
       Status: New

** Also affects: update-manager (Ubuntu Precise)
   Importance: High
       Status: New

** No longer affects: update-manager (Ubuntu)

** No longer affects: update-manager (Ubuntu Precise)

** Tags removed: rls-mgr-p-tracking
** Tags added: rls-p-tracking

** Changed in: gtk+2.0 (Ubuntu Precise)
     Assignee: (unassigned) => Martin Pitt (pitti)

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https://bugs.launchpad.net/bugs/963069

Title:
  Lucid -> Precise universe: pkgProblemResolver::Resolve generated
  breaks - does not replace gir1.0-gtk-2.0 with gir1.2-gtk-2.0

Status in “gtk+2.0” package in Ubuntu:
  New
Status in “gtk+2.0” source package in Precise:
  New

Bug description:
  Lucid to Precise Universe Upgrade:

  Failed to calculate the upgrade
  https://jenkins.qa.ubuntu.com/job/precise-upgrade-lucid-universe/ARCH=amd64,LTS=lts,PROFILE=universe,label=upgrade-test/60/

  TEST CASE:
  1. On lucid up to date install libhigui-dev
  2. run from a terminal, the following command: 
    $ do-release-upgrade -d

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