Your message dated Wed, 17 Sep 2025 21:38:16 +0000
with message-id <[email protected]>
and subject line Bug#1110462: fixed in systemd-udeb 258-1
has caused the Debian Bug report #1110462,
regarding systemd: FTBFS on arm64 with GCC-15 due to GCS warning
to be marked as done.
This means that you claim that the problem has been dealt with.
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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--
1110462: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1110462
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Source: systemd-udeb
Version: 257.4-1
User: [email protected]
Usertags: gcs
Hi,
systemd-udeb fails to build from source on arm64 if built with GCC-15,
currently in
experimental.
GCC-15 includes support for an arm64 security feature called Guarded Control
Stack (GCS). To help with GCS adoption, the linker warns about shared libraries
built without GCS. For example:
/usr/lib/gcc/aarch64-linux-gnu/15/../../../aarch64-linux-gnu/libncursesw.so.6:
warning: GCS is required by -z gcs, but this shared library lacks the necessary
property note. The dynamic loader might not enable GCS or refuse to load the
program unless all the shared library dependencies have the GCS marking.
The warning is harmless, and can be ignored. However, systemd-udeb is built with
--fatal-warnings, and for this reason will fail to build on arm64 once GCC-15
becomes the default compiler in Debian.
Luckily, it is possible to switch the warning off by passing the argument
gcs-report-dynamic=none to the linker. Please consider adding the following to
your debian/rules:
ifeq ($(DEB_TARGET_ARCH),arm64)
DEB_LDFLAGS_MAINT_APPEND=-Wl,-z,gcs-report-dynamic=none
endif
This can be done even before GCC-15 becomes the default compiler, to avoid
build failures when it does.
--- End Message ---
--- Begin Message ---
Source: systemd-udeb
Source-Version: 258-1
Done: Luca Boccassi <[email protected]>
We believe that the bug you reported is fixed in the latest version of
systemd-udeb, 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.
Luca Boccassi <[email protected]> (supplier of updated systemd-udeb 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: Wed, 17 Sep 2025 13:45:55 +0100
Source: systemd-udeb
Architecture: source
Version: 258-1
Distribution: unstable
Urgency: medium
Maintainer: Debian systemd Maintainers
<[email protected]>
Changed-By: Luca Boccassi <[email protected]>
Closes: 1106999 1110462
Changes:
systemd-udeb (258-1) unstable; urgency=medium
.
* Add back dependency on libcrypt-dev (Closes: #1106999)
* d/watch: restrict to major releases
* Update to new upstream version v258. For a full list of changes:
https://github.com/systemd/systemd/releases/tag/v258
(Closes: #1110462)
* Drop all patches, merged upstream
* d/control: bump Standards-Version to 4.7.2, no changes
* d/rules: explicitly enable libmount
* Backport patch to fix linking standalone udev
* d/copyright: update path for linux headers
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