Your message dated Tue, 12 May 2026 21:48:39 +0000
with message-id <[email protected]>
and subject line Bug#1136230: fixed in ceres-solver 2.2.0+dfsg-5
has caused the Debian Bug report #1136230,
regarding ceres-solver: FTBFS with libeigen3-dev 5.0 (major version transition)
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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1136230: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1136230
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Package: src:ceres-solver
Version: 2.2.0+dfsg-4.1
Severity: important
Tags: sid forky ftbfs
User: [email protected]
Usertags: eigen3-5.0
Dear Maintainer,
your package depends on libeigen3-dev. The upstream released a
new major version of this mathematical library, 5.0.0. Some
basic information about new features and changes in this version
can be found here:
https://libeigen.gitlab.io/releases/5.0/
This is a major version change and may require code changes in packages
depending on eigen3. The key breaking changes include:
- Minimum required C++ standard is now C++14
- Changes in the build system integration
- Some API name changes
ceres-solver FTBFS with libeigen3-dev 5.0.1. The full build log is available at:
https://debusine.debian.net/debian/developers-gladk-eigen3/artifact/3754806/
Here is the most probably relevant part of the failing build log:
===========================================
- -- Looking for pow in m - found
- -- Detected Ceres version: 2.2.0 from
/build/reproducible-path/ceres-solver-2.2.0+dfsg/include/ceres/version.h
CMake Error at CMakeLists.txt:185 (find_package):
Could not find a configuration file for package "Eigen3" that is compatible
with requested version "3.3".
The following configuration files were considered but not accepted:
/usr/share/eigen3/cmake/Eigen3Config.cmake, version: 5.0.1
The version found is not compatible with the version requested.
===========================================
libeigen3-dev_5.0.1-1 is available in experimental.
When this package version lands into unstable (probably at the beginning
of June 2026), this bug will be increased in severity to serious.
Thanks,
Anton
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--- Begin Message ---
Source: ceres-solver
Source-Version: 2.2.0+dfsg-5
Done: Pierre Gruet <[email protected]>
We believe that the bug you reported is fixed in the latest version of
ceres-solver, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Pierre Gruet <[email protected]> (supplier of updated ceres-solver package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Tue, 12 May 2026 23:35:02 +0200
Source: ceres-solver
Architecture: source
Version: 2.2.0+dfsg-5
Distribution: unstable
Urgency: medium
Maintainer: Debian Science Team
<[email protected]>
Changed-By: Pierre Gruet <[email protected]>
Closes: 1136230
Changes:
ceres-solver (2.2.0+dfsg-5) unstable; urgency=medium
.
* Removing constraint on the precise version of Eigen3 to use
in CMakeLists.txt (Closes: #1136230)
* Raising Standards version to 4.7.4:
- Removing Priority; optional, which is default
- Removing R-R-R: no, which is default
* Rewriting d/watch with version 5
* Removing unused Lintian override
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