Bug#1125358: marked as done (gcc-15: please disable multilib support on s390x (needs coordination))

Debian Bug Tracking System Sat, 07 Feb 2026 06:51:35 -0800

Your message dated Sat, 07 Feb 2026 14:48:58 +0000
with message-id <[email protected]>
and subject line Bug#1125358: fixed in gcc-15 15.2.0-13
has caused the Debian Bug report #1125358,
regarding gcc-15: please disable multilib support on s390x (needs coordination)
to be marked as done.


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If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
1125358: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1125358
Debian Bug Tracking System
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--- Begin Message ---

Source: gcc-15
Version: 15.2.0-12
Severity: wishlist
X-Debbugs-Cc: [email protected]
User: [email protected]
Usertags: s390x 31-bit-removal
Control: affects -1 gcc-15-cross gcc-15-cross-ports

Hi,

Linux 6.19 will drop support for 31-bit compatibility on s390x, and will
also stop providing 31-bit support in UAPI header files [1]. Once this
lands in unstable, it will become impossible to build the libc6-s390 and
libc6-dev-s390 packages on s390x, and in turns the gcc-multilib and
g++-multilib packages.

Therefore multilib support in gcc-15 on s390x needs to be disabled. This
cannot be done yet (hence the severity wishlist), as there are still
packages (build-)depending on gcc-multilib or g++-multilib.

In addition there are circular loops between gcc-defaults, gcc-15,
glibc, linux and zlib, so that will require some coordination to upload
all these packages within a few days.

Regards
Aurelien

[1] 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3db5cf9354710c3b9268af74a0dca88514279453

--- End Message ---

--- Begin Message ---

Source: gcc-15
Source-Version: 15.2.0-13
Done: Matthias Klose <[email protected]>

We believe that the bug you reported is fixed in the latest version of
gcc-15, 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 [email protected],
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Matthias Klose <[email protected]> (supplier of updated gcc-15 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 [email protected])


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Format: 1.8
Date: Sat, 07 Feb 2026 15:26:50 +0100
Source: gcc-15
Architecture: source
Version: 15.2.0-13
Distribution: unstable
Urgency: medium
Maintainer: Debian GCC Maintainers <[email protected]>
Changed-By: Matthias Klose <[email protected]>
Closes: 1125358 1126512
Changes:
 gcc-15 (15.2.0-13) unstable; urgency=medium
 .
   * Update to git 20260207 from the gcc-15 branch.
     - Fix PR tree-optimization/123513, PR target/123607 (x86), PR 
target/120250,
       PR rtl-optimization/123523, PR tree-optimization/123431,
       PR target/123489 (x86), PR middle-end/111817, PR rtl-optimization/119291,
       PR rtl-optimization/121773, PR tree-optimization/123351,
       PR tree-optimization/123372, PR target/123217 (x86),
       PR target/123155 (x86), PR target/123460, PR rtl-optimization/123121,
       PR middle-end/123392, PR target/123521 (loongarch), PR 
diagnostics/120063,
       PR tree-optimization/123300, PR target/123484 (x86),
       PR tree-optimization/123040, PR target/121192, PR target/121485 (RISCV),
       PR tree-optimization/122868, PR debug/121964, PR ada/68179, PR 
ada/123589,
       PR ada/123371, PR ada/123306, PR ada/123088, PR ada/123302, PR 
ada/123289,
       PR ada/123185, PR ada/123060, PR analyzer/123085, PR analyzer/122975,
       PR c/123156, PR c++/123331, PR c++/91388, PR c++/122772, PR c++/122834,
       PR c++/121966, PR c++/116952, PR c++/122048, PR c++/121854, PR 
c++/122922,
       PR libfortran/122936, PR libstdc++/122907, PR libstdc++/122812,
       PR target/123092, PR target/117575 (loongarch), PR c++/122550,
       PR c++/122070, PR target/123766 (loongarch), PR target/123807 
(loongarch),
       PR middle-end/123703, PR tree-optimization/123736, PR middle-end/123107,
       PR tree-optimization/123741, PR tree-optimization/123602,
       PR tree-optimization/122793, PR target/119130 (PPC),
       PR target/123742 (ARM), PR ada/123902, PR ada/121316, PR ada/123867,
       PR ada/123861, PR ada/123857, PR ada/123832, PR ada/123580,
       PR c++/123676, PR c++/122494, PR c++/123814, PR c++/123597,
       PR d/123264, PR d/123407, PR d/123046, PR d/123349, PR d/123419,
       PR d/123798, PR d/121477, PR d/123422, PR d/120096, PR d/122817,
       PR libstdc++/123147, PR target/123584 (AArch64), PR target/123779 (x86),
       PR target/122051 (RISCV), PR target/120642 (RISCV),
       PR target/123548 (AArch64), PR debug/123886, PR tree-optimization/123794,
       PR middle-end/123775, PR tree-optimization/123729, PR middle-end/123575,
       PR tree-optimization/123537, PR ipa/116296, PR tree-optimization/110043,
       PR tree-optimization/109410, PR rtl-optimization/106859,
       PR middle-end/123887, PR middle-end/123887, PR c++/122169, PR d/123633,
       PR libstdc++/90192, PR libstdc++/114153.
   * Don't complain about missing gccrs and gcobc man pages.
   * Stop building multilibs for s390x. Closes: #1125358.
   * Add again build dependency on python3-check-jsonschema, needed for tests.
   * Fix D #22463: SOURCE_DATE_EPOCH parsing incorrectly affected by system
     timezone. Closes: #1126512.
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--- End Message ---

Bug#1125358: marked as done (gcc-15: please disable multilib support on s390x (needs coordination))

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