Your message dated Sun, 02 Aug 2026 18:18:56 +0000
with message-id <[email protected]>
and subject line Bug#1136237: fixed in gtsam 4.2.2+dfsg-4~exp1
has caused the Debian Bug report #1136237,
regarding gtsam: 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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--
1136237: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1136237
Debian Bug Tracking System
Contact [email protected] with problems
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Hash: SHA512
Package: src:gtsam
Version: 4.2.0+dfsg-6
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
gtsam FTBFS with libeigen3-dev 5.0.1. The full build log is available at:
https://debusine.debian.net/debian/developers-gladk-eigen3/artifact/3756024/
Here is the most probably relevant part of the failing build log:
===========================================
[ 0%] Generating geometry.cpp
cd /build/reproducible-path/gtsam-4.2.0+dfsg/obj-x86_64-linux-gnu/python &&
/usr/bin/cmake -E env
PYTHONPATH=/build/reproducible-path/gtsam-4.2.0+dfsg/wrap/cmake/..:
/usr/bin/python3
/build/reproducible-path/gtsam-4.2.0+dfsg/wrap/scripts/pybind_wrap.py --src
/build/reproducible-path/gtsam-4.2.0+dfsg/gtsam/geometry/geometry.i --out
geometry.cpp --module_name gtsam --top_module_namespaces gtsam --ignore
gtsam::Point2 gtsam::Point3 gtsam::ISAM2ThresholdMapValue gtsam::FactorIndices
gtsam::FactorIndexSet gtsam::IndexPairSetMap gtsam::IndexPairVector
gtsam::BetweenFactorPose2s gtsam::BetweenFactorPose3s gtsam::Point2Vector
gtsam::Point2Pairs gtsam::Point3Pairs gtsam::Pose3Pairs gtsam::Pose3Vector
gtsam::Rot3Vector gtsam::KeyVector gtsam::BinaryMeasurementsPoint3
gtsam::BinaryMeasurementsUnit3 gtsam::BinaryMeasurementsRot3 gtsam::DiscreteKey
gtsam::KeyPairDoubleMap gtsam::gtsfm::MatchIndicesMap
gtsam::gtsfm::KeypointsVector gtsam::gtsfm::SfmTrack2dVector --template
/build/reproducible-path
/gtsam-4.2.0+dfsg/python/gtsam/gtsam.tpl --is_submodule --use-boost
In file included from
/build/reproducible-path/gtsam-4.2.0+dfsg/gtsam/base/Matrix.h:28,
from
/build/reproducible-path/gtsam-4.2.0+dfsg/gtsam/base/Matrix.cpp:19:
/build/reproducible-path/gtsam-4.2.0+dfsg/gtsam/base/Vector.h:45:82: error:
conversion from
âCwiseNullaryOp<Eigen::internal::scalar_zero_op<double>,[...]>â to
non-scalar type
âCwiseNullaryOp<Eigen::internal::scalar_constant_op<double>,[...]>â
requested
45 | static const Eigen::MatrixBase<Vector2>::ConstantReturnType Z_2x1 =
Vector2::Zero();
|
~~~~~~~~~~~~~^~
/build/reproducible-path/gtsam-4.2.0+dfsg/gtsam/base/Vector.h:46:82: error:
conversion from
âCwiseNullaryOp<Eigen::internal::scalar_zero_op<double>,[...]>â to
non-scalar type
âCwiseNullaryOp<Eigen::internal::scalar_constant_op<double>,[...]>â
requested
46 | static const Eigen::MatrixBase<Vector3>::ConstantReturnType Z_3x1 =
Vector3::Zero();
|
~~~~~~~~~~~~~^~
/build/reproducible-path/gtsam-4.2.0+dfsg/gtsam/base/Vector.h:52:92: error:
conversion from
âCwiseNullaryOp<Eigen::internal::scalar_zero_op<double>,[...]>â to
non-scalar type
âCwiseNullaryOp<Eigen::internal::scalar_constant_op<double>,[...]>â
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: gtsam
Source-Version: 4.2.2+dfsg-4~exp1
Done: Dima Kogan <[email protected]>
We believe that the bug you reported is fixed in the latest version of
gtsam, 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.
Dima Kogan <[email protected]> (supplier of updated gtsam 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: Thu, 30 Jul 2026 18:22:57 -0700
Source: gtsam
Architecture: source
Version: 4.2.2+dfsg-4~exp1
Distribution: experimental
Urgency: medium
Maintainer: Debian Science Maintainers
<[email protected]>
Changed-By: Dima Kogan <[email protected]>
Closes: 1136237
Changes:
gtsam (4.2.2+dfsg-4~exp1) experimental; urgency=medium
.
* Support eigen3 version 5 (Closes: #1136237)
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