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From: Aurelien Jarno <aurel32@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: llvm-toolchain-14: build-depends on g++-multilib [s390x],
 which will get removed
Message-ID: <176813710806.3567816.4355800129692175998.reportbug@ohm.local>
X-Mailer: reportbug 13.2.0
Date: Sun, 11 Jan 2026 14:11:48 +0100
X-Debian-User: aurel32
Delivered-To: submit@bugs.debian.org

Source: llvm-toolchain-14
Version: 1:14.0.6-20
Severity: important
X-Debbugs-Cc: debian-s390@lists.debian.org
User: debian-s390@lists.debian.org
Usertags: s390x 31-bit-removal

Dear maintainer(s),

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.

llvm-toolchain-14 build-depends on g++-multilib [s390x]. Please drop
this build-dependency, likely by stopping the build of s390 binaries.

Please note that this bug will become serious once linux 6.19 reaches
unstable (the upstream release is expected around the beginning of
February).

Regards
Aurelien

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