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To: Debian Bug Tracking System &lt;submit@bugs.debian.org&gt;
From: Florian Foinant-Willig &lt;flachyjoe@gmail.com&gt;
Subject: libopenmpi3t64: /usr/lib/x86_64-linux-gnu/libmpi_cxx.so.* is missing
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Package: libopenmpi3t64
Version: 5.0.5-3
Severity: important

Dear Maintainer,

when trying to compile a libmpi dependent application, I'm facing a
&quot;/usr/bin/ld: cannot find -lmpi_cxx&quot; error.
Looking into the libopenmpi3t64 amd64 package file list
&lt;https://packages.debian.org/sid/amd64/libopenmpi3t64/filelist&gt; I don't 
see any
/usr/lib/x86_64-linux-gnu/libmpi_cxx.so.*
This file was present in the trixie package (4.1.6-13.3) and the i386 
sid one
so I think it's a mistake with the 5.0.5-3 package compilation.

The required file can not be found in any other amd64 sid package:
&lt;https://packages.debian.org/search?suite=sid&amp;arch=any&amp;mode=filename&amp;searchon=contents&amp;keywords=libmpi_cxx&gt;

Regards,
Florian


-- System Information:
Debian Release: trixie/sid
   APT prefers stable-security
   APT policy: (500, 'stable-security'), (500, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 6.11.4-amd64 (SMP w/4 CPU threads; PREEMPT)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE, 
TAINT_UNSIGNED_MODULE
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8), LANGUAGE 
not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages libopenmpi3t64 depends on:
ii  libc6                       2.40-3
ii  libevent-core-2.1-7t64      2.1.12-stable-10+b1
ii  libevent-pthreads-2.1-7t64  2.1.12-stable-10+b1
ii  libfabric1                  1.17.0-3.1
ii  libgcc-s1                   14.2.0-8
ii  libhwloc-plugins            2.11.2-1
ii  libhwloc15                  2.11.2-1
ii  libnl-3-200                 3.7.0-0.3+b1
ii  libpmix2t64 [libpmix2]      5.0.3-2+b1
ii  libpsm2-2                   11.2.185-2.1
ii  libucx0                     1.17.0+ds-3

libopenmpi3t64 recommends no packages.

libopenmpi3t64 suggests no packages.

-- no debconf information
]