https://buildd.debian.org/status/logs.php?pkg=simgrid&ver=4.1-2%2Bb2

...
/build/reproducible-path/simgrid-4.1/src/kernel/resource/models/network_ns3.cpp:361:29: error: ‘Ipv4Manager’ was not declared in this scope; did you mean ‘ns3::Ipv4Manager’?
  361 |     ns3::GlobalRouteManager<Ipv4Manager>::BuildGlobalRoutingDatabase();
      |                             ^~~~~~~~~~~
      |                             ns3::Ipv4Manager
In file included from /build/reproducible-path/simgrid-4.1/src/kernel/resource/models/network_ns3.cpp:23:
/usr/include/ns3/global-route-manager.h:26:8: note: ‘ns3::Ipv4Manager’ declared here
   26 | struct Ipv4Manager
      |        ^~~~~~~~~~~
/build/reproducible-path/simgrid-4.1/src/kernel/resource/models/network_ns3.cpp:361:40: error: template argument 1 is invalid
  361 |     ns3::GlobalRouteManager<Ipv4Manager>::BuildGlobalRoutingDatabase();
      |                                        ^
/build/reproducible-path/simgrid-4.1/src/kernel/resource/models/network_ns3.cpp:361:69: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
  361 |     ns3::GlobalRouteManager<Ipv4Manager>::BuildGlobalRoutingDatabase();
      |                                                                     ^~
/build/reproducible-path/simgrid-4.1/src/kernel/resource/models/network_ns3.cpp:361:69: note: remove parentheses to default-initialize a variable
  361 |     ns3::GlobalRouteManager<Ipv4Manager>::BuildGlobalRoutingDatabase();
      |                                                                     ^~
      |                                                                     --
/build/reproducible-path/simgrid-4.1/src/kernel/resource/models/network_ns3.cpp:361:69: note: or replace parentheses with braces to value-initialize a variable
/build/reproducible-path/simgrid-4.1/src/kernel/resource/models/network_ns3.cpp:362:59: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
  362 |     ns3::GlobalRouteManager<Ipv4Manager>::InitializeRoutes();
      |                                                           ^~
/build/reproducible-path/simgrid-4.1/src/kernel/resource/models/network_ns3.cpp:362:59: note: remove parentheses to default-initialize a variable
  362 |     ns3::GlobalRouteManager<Ipv4Manager>::InitializeRoutes();
      |                                                           ^~
      |                                                           --
/build/reproducible-path/simgrid-4.1/src/kernel/resource/models/network_ns3.cpp:362:59: note: or replace parentheses with braces to value-initialize a variable
make[4]: *** [CMakeFiles/simgrid.dir/build.make:4828: CMakeFiles/simgrid.dir/src/kernel/resource/models/network_ns3.cpp.o] Error 1
...

Dear maintainer,

I've prepared an NMU for simgrid (versioned as 4.1-2.1) and
uploaded it to DELAYED/3. Please feel free to tell me if I
should cancel it.

We believe that the bug you reported is fixed in the latest version of
simgrid, 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 1140533@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Sudip Mukherjee <sudipm.mukherjee@gmail.com> (supplier of updated simgrid 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 ftpmaster@ftp-master.debian.org)
Format: 1.8
Date: Mon, 10 Aug 2026 21:39:53 +0000
Source: simgrid
Architecture: source
Version: 4.1-2.1
Distribution: unstable
Urgency: medium
Maintainer: Martin Quinson <mquinson@debian.org>
Changed-By: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Closes: 1140533
Changes:
 simgrid (4.1-2.1) unstable; urgency=medium
 .
   * Non-maintainer upload.
   * Fix FTBFS with libns3.48. (Closes: #1140533)
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 6b7bd7c085ef066961fbea8d1ee1a6a85449a999 17784 simgrid_4.1-2.1.debian.tar.xz
 a810f0c43a2a7ab05f3b3e15b580635d8c939b66 12475 simgrid_4.1-2.1_amd64.buildinfo
Checksums-Sha256:
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Dear Sudip,

thanks for your fix, I will integrate it to the next release of the package.

Cheers,
Mt

Le lundi 10 août 2026 à 23:00 +0100, Sudip Mukherjee a écrit :