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Review: mumps 5.9.0-1exp1

Package Information

DescriptionDirect 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.

MaintainerDebian Science Maintainers <debian-science-maintainers@lists.alioth.debian.org>
Changed ByDrew Parsons <dparsons@debian.org>
Sponsordparsons@debian.org
Distributionexperimental
Architectureany all
VCSgit: https://salsa.debian.org/science-team/mumps.git (browse)
Popcon Installs1228
Binary NEWYes (binary-only upload)
Trackerhttps://tracker.debian.org/pkg/mumps
Uploaded3 hours ago

New Package Report

.changes
Sourcemumps
Version5.9.0-1exp1
Changed-ByDrew Parsons
Architecturesource amd64 all
Distributionexperimental
DateMon, 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
Priorityoptional
Componentmain
Package-Listlibmumps-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
Sectionlibs
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
 with a limited warranty  and the software's author,  the holder of the
 economic rights,  and the successive licensors  have only  limited
 liability.
 .
 In this respect, the user's attention is drawn to the risks associated
 with loading,  using,  modifying and/or developing or reproducing the
 software by the user in light of its specific status of free software,
 that may mean  that it is complicated to manipulate,  and  that  also
 therefore means  that it is reserved for developers  and  experienced
 professionals having in-depth computer knowledge. Users are therefore
 encouraged to load and test the software's suitability as regards their
 requirements in conditions enabling the security of their systems and/or
 data to be ensured and,  more generally, to use and operate it in the
 same conditions as regards security.
 .
 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.html

Review 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

2 hours ago ● public

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

1 hour ago ● public

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. 

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