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Bug#1110449: marked as done (calamares: FTBFS on arm64 with GCC-15 due to GCS warning)

Your message dated Thu, 18 Dec 2025 09:19:22 +0000
with message-id <E1vWAAM-00CB78-1p@fasolo.debian.org>
and subject line Bug#1110449: fixed in calamares 3.3.14-5.1
has caused the Debian Bug report #1110449,
regarding calamares: 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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-- 
1110449: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1110449
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Source: calamares
Version: 3.3.14-1
User: debian-arm@lists.debian.org
Usertags: gcs

Hi,

calamares 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, calamares 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: calamares
Source-Version: 3.3.14-5.1
Done: Adrian Bunk <bunk@debian.org>

We believe that the bug you reported is fixed in the latest version of
calamares, 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 1110449@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Adrian Bunk <bunk@debian.org> (supplier of updated calamares 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 ftpmaster@ftp-master.debian.org)


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

Format: 1.8
Date: Tue, 16 Dec 2025 07:24:20 +0200
Source: calamares
Architecture: source
Version: 3.3.14-5.1
Distribution: unstable
Urgency: medium
Maintainer: Debian Qt/KDE Maintainers <debian-qt-kde@lists.debian.org>
Changed-By: Adrian Bunk <bunk@debian.org>
Closes: 1110449
Changes:
 calamares (3.3.14-5.1) unstable; urgency=medium
 .
   * Non-maintainer upload.
   * Don't build with -Wl,--fatal-warnings. (Closes: #1110449)
Checksums-Sha1:
 0619a76c33f5fb1a3be1e308b8e473d3592163b3 2517 calamares_3.3.14-5.1.dsc
 324a2f4594c45bd489fda2db8f4f22d61885e7bc 9888 calamares_3.3.14-5.1.debian.tar.xz
Checksums-Sha256:
 80e678274a89f46e3e747df8a8024210a2166e70dbeca34523499b50a4869f6d 2517 calamares_3.3.14-5.1.dsc
 98b4bab2f471d789141b975aae3fafa08fa6ca72d4f83eb5beba3a151e2e0531 9888 calamares_3.3.14-5.1.debian.tar.xz
Files:
 679b62f310c466d3c57684f664bdd127 2517 utils optional calamares_3.3.14-5.1.dsc
 57155281e3bb0db88b88e8671b7d02a2 9888 utils optional calamares_3.3.14-5.1.debian.tar.xz

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