Your message dated Sat, 19 Sep 2026 19:51:37 +0000
with message-id <[email protected]>
and subject line Bug#1136236: fixed in gnuplot-iostream 0~20251226.git05843bd3-4
has caused the Debian Bug report #1136236,
regarding gnuplot-iostream: 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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1136236: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1136236
Debian Bug Tracking System
Contact [email protected] with problems
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Hash: SHA512
Package: src:gnuplot-iostream
Version: 0~20251226.git05843bd3-3
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
gnuplot-iostream FTBFS with libeigen3-dev 5.0.1. The full build log is
available at:
https://debusine.debian.net/debian/developers-gladk-eigen3/artifact/3755978/
Here is the most probably relevant part of the failing build log:
===========================================
gnuplot-iostream.h:1598:31: required from âvoid
gnuplotio::PlotGroup::add(const T&, const std::string&, const std::string&,
OrganizationMode) [with T = std::tuple<Eigen::Matrix<double, -1, -1, 0, -1,
-1>, Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<double, -1, -1, 0,
-1, -1> >; OrganizationMode = gnuplotio::Mode2D; std::string =
std::__cxx11::basic_string<char>]â
1598 | plots.emplace_back(arg, plotspec,
| ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
1599 | "array", // arbitrary value
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~
1600 | OrganizationMode(), ModeText());
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gnuplot-iostream.h:1575:154: required from âgnuplotio::PlotGroup&
gnuplotio::PlotGroup::add_plot2d(const T&, const std::string&, const
std::string&) [with T = std::tuple<Eigen::Matrix<double, -1, -1, 0, -1, -1>,
Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<double, -1, -1, 0, -1,
-1> >; std::string = std::__cxx11::basic_string<char>]â
1575 | template <typename T> PlotGroup &add_plot2d (const T &arg,
const std::string &plotspec="", const std::string &text_array_record="text") {
add(arg, plotspec, text_array_record, Mode2D ()); return *this; }
|
~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
example-data-2d.cc:337:25: required from here
337 | plots.add_plot2d(std::tuple{ptsx, ptsy, ptsz}, "with lines
title 'tuple<eigen, eigen, eigen>'");
|
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gnuplot-iostream.h:1390:41: error: static assertion failed: container not deep
enough
1390 | static_assert(ArrayTraits<T>::depth >= Depth, "container not deep
enough");
| ~~~~~~^~~~~~~~
gnuplot-iostream.h:1390:41: note: the comparison reduces to â(1 >= 2)â
gnuplot-iostream.h: In instantiation of âclass gnuplotio::IteratorRange<void,
double>â:
gnuplot-iostream.h:883:73: required from âclass
gnuplotio::PairOfRange<gnuplotio::PairOfRange<gnuplotio::IteratorRange<void,
double>, gnuplotio::IteratorRange<void, double> >,
gnuplotio::IteratorRange<void, double> >â
883 | typedef std::pair<typename RT::value_type, typename RU::value_type>
value_type;
===========================================
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: gnuplot-iostream
Source-Version: 0~20251226.git05843bd3-4
Done: Anton Gladky <[email protected]>
We believe that the bug you reported is fixed in the latest version of
gnuplot-iostream, 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.
Anton Gladky <[email protected]> (supplier of updated gnuplot-iostream 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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Hash: SHA512
Format: 1.8
Date: Sat, 19 Sep 2026 21:01:11 +0200
Source: gnuplot-iostream
Architecture: source
Version: 0~20251226.git05843bd3-4
Distribution: unstable
Urgency: medium
Maintainer: Debian Science Maintainers
<[email protected]>
Changed-By: Anton Gladky <[email protected]>
Closes: 1136236
Changes:
gnuplot-iostream (0~20251226.git05843bd3-4) unstable; urgency=medium
.
* Refresh packaging
* Add patch to detect the Eigen 5 include guard EIGEN_CORE_MODULE_H,
fixing FTBFS with libeigen3-dev 5.0.A (Closes: #1136236)
* Run cme fix dpkg: bump Standards-Version to 4.7.4, debhelper-compat
to 14, drop redundant Priority field.
* Add debian/watch tracking upstream git snapshots (watch format 5).
* Update debian/copyright: add Upstream-Name/Contact, github source
URL and correct copyright years.
* Depend on gnuplot-nox/gnuplot-qt rather than the virtual gnuplot
package.
* Reword package synopses so they are not sentences.
* Add debian/upstream/metadata.
* Drop obsolete debian/scripts/debian_scripts_get_orig_src.sh
referring to gitorious.
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Git-Tag-Info: tag=bded7e2bd8c34b5e76ed711b5b42f890f40bf690
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Git-Tag-Tagger: Anton Gladky <[email protected]>
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