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From: Graham Inggs &lt;ginggs@debian.org&gt;
Date: Mon, 9 Feb 2026 11:01:34 -0100
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Subject: sicinos: FTBFS in unstable
To: Debian Bug Tracking System &lt;submit@bugs.debian.org&gt;
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X-Debian-User: ginggs
Delivered-To: submit@bugs.debian.org

Source: siconos
Version: 4.4.0+dfsg-5
Severity: serious
Tags: ftbfs

Hi Maintainer

As can be seen in reproducible builds [1], sicinos currently FTBFS in
unstable.  I've copied what I hope is the relevant part of the log
below.

Regards
Graham


[1] https://tests.reproducible-builds.org/debian/rb-pkg/siconos.html


/build/reproducible-path/siconos-4.4.0+dfsg/obj-x86_64-linux-gnu/wrap/siconos/kernelPYTHON_wrap.cxx:11631:88:
  required from here
11631 |     ar &gt;&gt;
::boost::serialization::make_nvp(BOOST_PP_STRINGIZE(EulerMoreauOSI),(*(self)));
      |
                        ^
/usr/include/boost/serialization/access.hpp:116:11: error: 'class
EulerMoreauOSI' has no member named 'serialize'; did you mean
'serializable'?
  116 |         t.serialize(ar, file_version);
      |         ~~^~~~~~~~~
      |         serializable
make[3]: *** [kernel/swig/CMakeFiles/_kernel.dir/build.make:82:
kernel/swig/CMakeFiles/_kernel.dir/__/__/wrap/siconos/kernelPYTHON_wrap.cxx.o]
Error 1
]