Review: mumps 5.9.0-1exp1
Package Information
| Description | Direct linear systems solver - parallel development files MUMPS implements a direct solver for large sparse linear systems, with a particular focus on symmetric positive definite matrices. It can operate on distributed matrices e.g. over a cluster. It has Fortran and C interfaces, and can interface with ordering tools such as Scotch. |
|---|---|
| Maintainer | Debian Science Maintainers <debian-science-maintainers@lists.alioth.debian.org> |
| Changed By | Drew Parsons <dparsons@debian.org> |
| Sponsor | dparsons@debian.org |
| Distribution | experimental |
| Architecture | any all |
| VCS | git: https://salsa.debian.org/science-team/mumps.git (browse) |
| Popcon Installs | 1228 |
| Binary NEW | Yes (binary-only upload) |
| Tracker | https://tracker.debian.org/pkg/mumps |
| Uploaded | 3 hours ago |
New Package Report
.changes
| Source | mumps |
|---|---|
| Version | 5.9.0-1exp1 |
| Changed-By | Drew Parsons |
| Architecture | source amd64 all |
| Distribution | experimental |
| Date | Mon, 04 May 2026 01:35:37 +0200 |
Changelog
mumps (5.9.0-1exp1) experimental; urgency=medium
.
* New upstream release
- new ABI 5.9
* drop unused -Dintel_ fortran compiler flag from debian's
Makefile.inc scripts
* add Drew Parsons as Uploader
* Standards-Version: 4.7.4.dsc
| Priority | optional |
|---|---|
| Component | main |
| Package-List | libmumps-5.9 deb libs optional arch=any libmumps-64pord-5.9 deb libs optional arch=any libmumps-64pord-ptscotch-5.9 deb libs optional arch=any libmumps-64pord-scotch-5.9 deb libs optional arch=any libmumps-64pord-seq-5.9 deb libs optional arch=any libmumps-dev deb libdevel optional arch=any libmumps-headers-dev deb libdevel optional arch=all libmumps-ptscotch-5.9 deb libs optional arch=any libmumps-ptscotch-dev deb libdevel optional arch=any libmumps-scotch-5.9 deb libs optional arch=any libmumps-scotch-dev deb libdevel optional arch=any libmumps-seq-5.9 deb libs optional arch=any libmumps-seq-dev deb libdevel optional arch=any libmumps64-dev deb libdevel optional arch=any libmumps64-ptscotch-dev deb libdevel optional arch=any libmumps64-scotch-dev deb libdevel optional arch=any libmumps64-seq-dev deb libdevel optional arch=any mumps-test deb math optional arch=any |
| Section | libs |
debian/copyright
Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: mumps
Upstream-Contact: Patrick Amestoy et al.
Source: http://mumps-solver.org/
Files: *
Copyright: 1991-2019 CERFACS, CNRS, ENS Lyon, INP Toulouse, Inria,
Mumps Technologies, University of Bordeaux.
License: CeCILL-C-V1
Comment:
This version of MUMPS is provided to you free of charge. It is
released under the CeCILL-C license,
http://www.cecill.info/licences/Licence_CeCILL-C_V1-en.html,
except for the external and optional ordering PORD,
in separate directory PORD, which is public domain (see PORD/README).
.
You can acknowledge (using references [1] and [2]) the contribution of
this package in any scientific publication dependent upon the use of
the package. Please use reasonable endeavours to notify the authors
of the package of this publication.
.
[1] P. R. Amestoy, I. S. Duff, J. Koster and J.-Y. L'Excellent,
A fully asynchronous multifrontal solver using distributed dynamic
scheduling, SIAM Journal on Matrix Analysis and Applications,
Vol 23, No 1, pp 15-41 (2001).
.
[2] P. R. Amestoy, A. Buttari, J.-Y. L'Excellent and T. Mary,
Performance and scalability of the block low-rank multifrontal
factorization on multicore architectures,
ACM Transactions on Mathematical Software,
Vol 45, Issue 1, pp 2:1-2:26 (2019)
.
As a counterpart to the access to the source code and rights to copy,
modify and redistribute granted by the license, users are provided only
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.
The fact that you are presently reading this means that you have had
knowledge of the CeCILL-C license and that you accept its terms.
Files: PORD/*
Copyright: Juergen Schulze
License: public-domain
We are grateful to Juergen Schulze for letting us distribute PORD.
.
SPACE-1.0 (which includes PORD) is in the public domain, see
http://www2.cs.uni-paderborn.de/cs/ag-monien/PERSONAL/SCHLUNZ/vrp.html
Files: debian/*
Copyright: 2009-2011 Adam C. Powell, IV <hazelsct@debian.org>
2016 Mattia Rizzolo <mattia@debian.org>
2017 Drew Parsons <dparsons@debian.org>
License: public-domain-debian
These Debian control files may be used and reused freely
without restriction.
Files: src/ana_orderings.F
Copyright: 1996-2016 Timothy A. Davis, Patrick R. Amestoy, and Iain S. Duff
1997-2000 Patrick Amestoy
2004-2005 Stephane Pralet
License: LGPL/CeCill-C/BSD-3
This file includes various modifications of an original
LGPL/ CeCILL-C compatible
code implementing the Approximate Minimum Degree ordering
.
The main reference for the approach used in routine
MUMPS_ANA_H is
Patrick Amestoy, Timothy A. Davis, and Iain S. Duff,
"An approximate minimum degree ordering algorithm,"
SIAM J. Matrix Analysis vol 17, pages=886--905 (1996)
MUMPS_ANA_H is based on the original AMD code:
.
AMD, Copyright (c), 1996-2016, Timothy A. Davis,
Patrick R. Amestoy, and Iain S. Duff. All Rights Reserved.
Used in MUMPS under the BSD 3-clause license.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
.
All other routines are modifications of this original routine
done by MUMPS developers over the years (1996-2012).
.
MUMPS_AMD_ELT is a modification
designed to handle amalgamated and compressed
graphs and was developed in 1999 by Patrick Amestoy
in the context of the PARASOL project (1997-1999).
.
MUMPS_HAMD is a modification
designed to take into account a halo in the graph.
The graph is composed is partitioned in two types of nodes
the so called internal nodes and the so called halo nodes.
Halo nodes cannot be selected the both the initial degrees
and updated degrees of internal node should be taken
into account.
This routine also referred to as HALOAMD in MUMPS comments
is used for both Schur functionality and in the coupling with
partitioners such as SCOTCH.
This code was developed for MUMPS platform
by Patrick Amestoy between 1997 and 1999.
.
MUMPS_HAMF4 is a major modification of MUMPS_HAMD
since metric used to select pivots in not anymore the
degree but an approximation of the fill-in.
In this approximation
all cliques of elements adjacent to the variable are deducted.
Written by Patrick Amestoy between 1999 and 2000.
It is also used by F. Pellegrini in SCOTCH since 2000.
.
MUMPS_QAMD: modified version of reference AMD routine MUMPS_ANA_H
designed to automatically detect and exploit dense or quasi dense
rows in the reduced matrix at any step of the minimum degree.
Written in 1997 by Patrick Amestoy.
References:
P.R. AMESTOY, Recent progress in parallel multifrontal solvers
for unsymmetric sparse matrices,
Proceedings of the 15th World Congress on Scientific Computation,
Modelling and Applied Mathematics, IMACS, Berlin (1997).
P.R. AMESTOY (1999), Methodes directes paralleles de
resolution des systemes creux de grande taille.
Rapport de these d'habilitation de l'INPT.
.
MUMPS_CST_AMF: modified version of MUMPS_HAMF4 routine
implementing constraint minimum fill-in based ordering.
Written by Stephane Pralet for MUMPS platform
during his post-doctorate at INPT-IRIT (Oct. 2004- Oct. 2005)
.
The preceding licence text was taken verbatim from src/ana_orderings.F
For reference, the standard LGPL can be found at
/usr/share/common-licenses/LGPL-3.
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Version 1.0 dated 2006-09-05.
https://cecill.info/licences.en.htmlReview Information
accepted — allocated to awm 2 hours ago, started 2 hours ago, completed 1 hour ago.
Final Comment
Hi,
This is already a package in Debian, and has been for some time, however the
license used here (i.e. "CeCILL-C") is not compatible with the Debian Free
Software Guidelines, as explained in the detailed note on the review.
I recommend discussing this with upstream, to see if licensing can be done
with a different license (e.g. LGPL-2+) or if a newer version of CeCILL-C
can be written to address the issues with the license (as was done with the
CeCILL license).
The final alternative, of course, is to move the package to non-free, but
let's hope that doesn't have to happen!
For now, I have accepted the package, on the basis that it is already in
Debian, and we don't want to disrupt things for what could be a protracted
exercise.
Thanks!
Public Notes
Licenserecon
Command: lrc -s
Exit code: 3
en: Versions: licenserecon '14.0' licensecheck '3.3.9-1'
Parsing Source Tree ....
Reading d/copyright ....
Running licensecheck ....
d/copyright | licensecheck
CeCILL-C-V1 | CECILL-C-1.0 doc/CeCILL-C_V1-en.txt
CeCILL-C-V1 | CECILL-C include/cmumps_c.h
LGPL/CeCill-C/BSD-3| BSD-3-clause src/ana_orderings.F
CeCILL-C-V1 | CECILL-C src/ana_orderings_wrappers_m.F
Short option in use. Not all differences shown
License Check
COMPATIBLE (2):
LGPL
Please make an effort to review the license and discover which version of the
LGPL this is, and whether the licensing permits use of later versions of the
LGPL at the user's option. I.e. is this "LGPL-1+
public-domain [Not a formal license; CC0-1.0 is strongly preferred]
"Public domain" is not a formal license and has no legal force in several
jurisdictions (notably Germany and others in the civil-law tradition).
A CC0-1.0 dedication is strongly preferred as it provides a clear waiver
valid across jurisdictions. If upstream refuses CC0, the package should be
assessed individually to confirm the public domain claim is sufficient.
INCOMPATIBLE (1)
CeCILL-C-V1
While the authors' later, main license (`CeCILL v2.1`) was eventually
recognized as DFSG-compliant, "CeCILL-C" contains several specific
clauses that conflict with the DFSG.
If the authors ever choose to release a new version of the CeCILL-C
license, clause 12.3 will come into effect and this license will be
acceptable in Debian.
Here are the specific elements of the CeCILL-C-V1 text that conflict
with the Debian Free Software Guidelines:
1. Mandatory Choice of Venue (Article 13.2)
* The Clause: "Failing an amicable solution... disagreements or
disputes shall be referred to the Paris Courts having jurisdiction..."
* DFSG Conflict: This is considered a "Choice of Venue" clause,
which the `debian-legal` community almost universally rejects as
non-free. By forcing any user or contributor—whether they live in
New Zealand, Argentina, or Japan—to travel to Paris and navigate
the French legal system to defend themselves, the license imposes
an unreasonable, prohibitive burden. Debian considers this a
restriction on the core freedoms to use, modify, and distribute
the software (acting essentially as a fee or restriction,
violating the spirit of DFSG #1: Free Redistribution).
2. Discrimination Against Amateurs/Beginners (Preamble & Article 9.1)
* The Clause: The text states that the software's "use is reserved
for developers and experienced professionals having in-depth computer
knowledge."
* DFSG Conflict: This directly conflicts with DFSG #5: No Discrimination
Against Persons or Groups. A free software license cannot say that a
tool is only for experts, businesses, or researchers. If this text is
interpreted legally as a usage restriction (rather than just a
poorly-worded warranty disclaimer), it prevents students, amateurs,
and beginners from exercising their right to use the software.
3. The Obnoxious UI Advertising Requirement (Article 6.4)
* The Clause: The licensee must "ensure that use of the Software, its
intellectual property notices and the fact that it is governed by the
Agreement is indicated in a text that is easily accessible, specifically
from the interface of any Derivative Software."
* DFSG Conflict: This clause acts as an overly aggressive "advertising
clause." While preserving copyright notices in source files is required
and DFSG-compliant, forcing developers to alter the user interface of
*any* derivative software restricts how developers can build and design
their own tools. This conflicts with DFSG #3: Derived Works, which requires
that developers have the freedom to modify the software and create
derivatives without arbitrary restrictions on how those derivatives must
function or be displayed (for example, if you make a headless, command-
line, or embedded derivative, surfacing text in an "interface" is
practically impossible).
4. Over-Restrictive Notice Preservation (Article 6.4)
* The Clause: The licensee undertakes "to reproduce said notices, in an
identical manner, in the copies of the Software modified or not".
* DFSG Conflict: While DFSG #4 allows licenses to require the integrity
of the author's source code and copyright notices, demanding that notices
be preserved in an "identical manner" without allowing *any* format
modifications can be a minor friction point for DFSG freeness. If a Debian
packager needs to convert documentation formats or refactor code
structures, absolute identical reproduction of notice blocks can create
technical/legal hurdles.