Your message dated Wed, 13 May 2026 09:35:06 +0000
with message-id <[email protected]>
and subject line Bug#1136307: fixed in openbabel 3.1.1+dfsg-15~exp
has caused the Debian Bug report #1136307,
regarding openbabel: 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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--
1136307: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1136307
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
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Hash: SHA256
Package: src:openbabel
Version: 3.1.1+dfsg-14
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
openbabel FTBFS with libeigen3-dev 5.0.1. The full build log is available at:
https://debusine.debian.net/debian/developers-gladk-eigen3/artifact/3759397/
Here is the most probably relevant part of the failing build log:
===========================================
- -- Detecting CXX compile features - done
- -- Eigen version .. found in /usr/include/eigen3, but at least version 2.91.0
is required
CMake Error at
/usr/share/cmake-4.3/Modules/FindPackageHandleStandardArgs.cmake:290 (message):
Could NOT find Eigen (missing: EIGEN_VERSION_OK) (Required is at least
version "2.91.0")
Call Stack (most recent call first):
/usr/share/cmake-4.3/Modules/FindPackageHandleStandardArgs.cmake:654
(_FPHSA_FAILURE_MESSAGE)
modules/FindEigen.cmake:76 (find_package_handle_standard_args)
CMakeLists.txt:49 (find_package)
- -- Configuring incomplete, errors occurred!
cd .pybuild/cpython3_3.14/build && tail -v -n \+0 CMakeCache.txt
==> CMakeCache.txt <==
# This is the CMakeCache file.
# For build in directory:
/build/reproducible-path/opengv-1.0+1git91f4b1/.pybuild/cpython3_3.14/build
# It was generated by CMake: /usr/bin/cmake
# You can edit this file to change values found and used by cmake.
# If you do not want to change any of the values, simply exit the editor.
# If you do want to change a value, simply edit, save, and exit the editor.
# The syntax for the file is as follows:
# KEY:TYPE=VALUE
# KEY is the name of a variable in the cache.
# TYPE is a hint to GUIs for the type of VALUE, DO NOT EDIT TYPE!.
# VALUE is the current value for the KEY.
===========================================
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: openbabel
Source-Version: 3.1.1+dfsg-15~exp
Done: Andrius Merkys <[email protected]>
We believe that the bug you reported is fixed in the latest version of
openbabel, 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.
Andrius Merkys <[email protected]> (supplier of updated openbabel 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])
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Format: 1.8
Date: Wed, 13 May 2026 05:07:09 -0400
Source: openbabel
Architecture: source
Version: 3.1.1+dfsg-15~exp
Distribution: experimental
Urgency: medium
Maintainer: Debichem Team <[email protected]>
Changed-By: Andrius Merkys <[email protected]>
Closes: 1136307
Changes:
openbabel (3.1.1+dfsg-15~exp) experimental; urgency=medium
.
* Adapt to build with libeigen3-dev 5.0.1 (Closes: #1136307)
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