[Bug 2003266] [NEW] 22.04 package lacks GSSAPI support

[Launchpad Bug Tracker]

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[ Impact ]

 * GSSAPI was disabled by accident as a side-effect of packaging a new release.
   Upstream renamed the environment variable used to setup the feature and the
   flag was not updated in d/rules.

 * Users get caught off-guard when updating from 18.04 to 20.04, 22.04 is not
   affected.

[ Test Plan ]

 * Did not test the binary, confirmed the fix is effective by analyzing the
   build logs.

 * I've confirmed that the issue
   is solved by checking for the presence of the following string in the build
   logs:
      checking for krb5-config... /usr/bin/krb5-config.mit
   Whereas a build with the issue will instead output:
      checking for krb5-config... none

 * I believe the fix is non-intrusive enough that no further testing is
needed.

[ Where problems could occur ]

 * Enabling a new feature could have a side effect of disabling another
   mutually-exclusive feature, but I did not identify any.

 * Enabling a new feature could break a different feature which changes its
   behavior when this new feature is present, I also did not identify any such
   case.

[ Other Info ]

 * Upstream bug reports:
   - https://github.com/notroj/neon/issues/102
   - https://github.com/notroj/neon/issues/52
 * Upstream breaking change:
   - https://github.com/notroj/neon/commit/b9b7425de38b35249e689c03c30c8fd8adfae806
 * Upstream change to avoid this from happening again:
   - https://github.com/notroj/neon/commit/4fdcff4a0ccbb0924f7dabcf8d213452aa33ab82
 * Launchpad bug:
   - https://bugs.launchpad.net/ubuntu/+source/neon27/+bug/2003266

[ Original description ]

For more information, please see
https://github.com/notroj/neon/issues/102.

The 22.04 built package of neon lacks GSSAPI support, whereas previous
versions (e.g. 18.04) had this support built-in. This appears to be due
to a recent-ish change in the build logic for neon, which changes when
GSSAPI is compiled in to the library
(https://github.com/notroj/neon/commit/b9b7425de38b35249e689c03c30c8fd8adfae806)

We were able to get a work around building from source with the
following envvar during build-time:
KRB5_CONF_TOOL=/usr/bin/krb5-config.mit ./configure. TL;DR: KRB5_CONFIG
became KRB5_CONF_TOOL.

Version information:

$ lsb_release -rd
Description:	Ubuntu 22.04.1 LTS
Release:	22.04

$ apt show libneon27
Package: libneon27
Version: 0.32.2-1
Priority: optional
Section: universe/libs
Source: neon27
Origin: Ubuntu
Maintainer: Ubuntu Developers <ubuntu-devel-discuss at lists.ubuntu.com>
Original-Maintainer: Laszlo Boszormenyi (GCS) <gcs at debian.org>
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 233 kB
Depends: libc6 (>= 2.33), libssl3 (>= 3.0.0~~alpha1), libxml2 (>= 2.7.4), zlib1g (>= 1:1.1.4)
Homepage: https://notroj.github.io/neon/
Download-Size: 102 kB
APT-Manual-Installed: no
APT-Sources: [corporate Launchpad mirror]
Description: HTTP and WebDAV client library

** Affects: neon27 (Ubuntu)
     Importance: Undecided
         Status: Confirmed


** Tags: patch
-- 
22.04 package lacks GSSAPI support
https://bugs.launchpad.net/bugs/2003266
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