[Bug 2020472] [NEW] [MIR] gtkmm4.0

[Launchpad Bug Tracker]

You have been subscribed to a public bug by Christian Ehrhardt  (paelzer):

[Availability]
The package gtkmm4.0 is already in Ubuntu universe.
The package gtkmm4.0 is built for all Ubuntu architectures except i386 (where it is not needed)
Link to package https://launchpad.net/ubuntu/+source/gtkmm4.0

[Rationale]
- The package gtkmm4.0 is a new runtime dependency of package transmission that we already support. (Transmission has been included in Ubuntu Desktop for many years. Transmission previously used C for the desktop app but C++ for much of the rest of the codebase. With the latest version, Transmission has standardized on C++ for all its codebase.)

- gtkmm4.0 is the GTK4 bindings for C++. We are not yet able to drop
gtkmm3.0 (GTK3) to universe. However, we do want to support GTK4 C++
now. GTK4 is now used for a considerable amount of default Ubuntu
Desktop apps.

- There are 3 GTK3 C++ apps in main, gparted, gnome-system-monitor, and open-vm-tools-desktop.
  + It seems likely that gnome-system-monitor will be ported to GTK4 for GNOME 45 (Ubuntu 23.10) or at least GNOME 46 (Ubuntu 24.04 LTS). See the checklist and recent comments at https://gitlab.gnome.org/GNOME/gnome-system-monitor/-/merge_requests/55
  + gparted is included in the Ubuntu Desktop installer only. It is not part of the default install. There currently are no plans to port gparted to GTK4. https://gitlab.gnome.org/GNOME/gparted/-/issues/176
  + open-vm-tools-desktop might not need to be in main. If this is a concern, we should check with the Server and Desktop teams.

- The package gtkmm4.0 is required in Ubuntu main no later than August
17, Ubuntu 23.10 Feature Freeze, because it is a dependency of
transmission and perhaps gnome-system-monitor 45.

[Security]
- No CVEs/security issues in this software in the past
+ https://ubuntu.com/security/cve?package=gtkmm3.0
+ https://security-tracker.debian.org/tracker/source-package/gtkmm3.0
+ https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=gtkmm

- no `suid` or `sgid` binaries
- no executables in `/sbin` and `/usr/sbin`
- Package does not install services, timers or recurring jobs
- Package does not open privileged ports (ports < 1024)
- Package does not contain extensions to security-sensitive software (filters, scanners, plugins, UI skins, ...)

[Quality assurance - function/usage]
- The package works well right after install

[Quality assurance - maintenance]
- The package is maintained well in Debian/Ubuntu/Upstream and does not have too many, long-term & critical, open bugs
+ Ubuntu https://bugs.launchpad.net/ubuntu/+source/gtkmm3.0
  https://bugs.launchpad.net/ubuntu/+source/gtkmm4.0
+ Debian https://bugs.debian.org/cgi-bin/pkgreport.cgi?src=gtkmm3.0
  https://bugs.debian.org/cgi-bin/pkgreport.cgi?src=gtkmm4.0
+ Upstream https://gitlab.gnome.org/GNOME/gtkmm/-/issues

- The package does not deal with exotic hardware we cannot support

[Quality assurance - testing]
- - The package runs a test suite on build time, if it fails it makes the build fail, link to build log https://launchpad.net/ubuntu/+source/gtkmm4.0/4.10.0-1/+latestbuild/amd64

- The package runs an autopkgtest, and is currently passing on all architectures except Ubuntu i386 (it isn't built on i386)
https://autopkgtest.ubuntu.com/packages/g/gtkmm4.0
https://ci.debian.net/packages/g/gtkmm4.0

[Quality assurance - packaging]
- debian/watch is present and works
- debian/control defines a correct Maintainer field (package is maintained in Debian)

- This package does not yield massive lintian Warnings, Errors
- Please link to a recent build log of the package
https://launchpad.net/ubuntu/+source/gtkmm4.0/4.10.0-1/+latestbuild/amd64
- Please attach the full output you have got from `lintian --pedantic` as an extra post to this bug.
- Lintian overrides are not present

- This package does not rely on obsolete or about to be demoted packages.
- This package has no python2 or GTK2 dependencies

- The package will be installed by default, but does not ask debconf
questions

- Packaging and build is easy
https://salsa.debian.org/gnome-team/gtkmm4.0/-/blob/debian/master/debian/rules

[UI standards]
- Application is not end-user facing (does not need translation)
- Application is not end-user facing (does not need .desktop file)

[Dependencies]
- cairomm1.16: MIR: LP: #2020273
- glibmm2.68: MIR: LP: #2020270
- libsigc++-3.0: MIR: LP: #2020272
- pangomm2.48: MIR: LP: #2020267

[Standards compliance]
- This package correctly follows FHS and Debian Policy

[Maintenance/Owner]
- Owning Team will be Desktop Packages
- Team is not yet, but will subscribe to the package before promotion

- This does not use static builds
- This does not use vendored code
- This package is not rust based
- The package has been built in the archive more recently than the last test rebuild

[Background information]
The Package description explains the package well
Upstream Name is gtkmm
Link to upstream project https://gitlab.gnome.org/GNOME/gtkmm

** Affects: gtkmm4.0 (Ubuntu)
     Importance: Undecided
         Status: Fix Committed


** Tags: mantic
-- 
[MIR] gtkmm4.0
https://bugs.launchpad.net/bugs/2020472
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