Dear maintainer,

During a test rebuild for CMake 4, ssh-proxy-ice-gsocket failed to rebuild.

Log Summary:
-------------------------------------------------------------------------------
[...]
| Build                                        Sat, 30 Aug 2025 21:12:09 +0000 |
+------------------------------------------------------------------------------+


Unpack source
-------------
Format: 3.0 (quilt)
Source: ssh-proxy-ice-gsocket
Binary: ssh-proxy-ice-gsocket
Architecture: any
Version: 0.1-1
Maintainer: Ying-Chun Liu (PaulLiu) <paulliu@debian.org>
Homepage: https://gitlab.com/grandpaul/ssh-proxy-ice-gsocket
Standards-Version: 4.6.2
Build-Depends: cmake, debhelper-compat (= 13), docbook-xsl, libnice-dev, pkgconf, xsltproc
Package-List:
 ssh-proxy-ice-gsocket deb net optional arch=any
Checksums-Sha1:
 f4a9462759c7f02131260495068ee24c2a379d17 11476 ssh-proxy-ice-gsocket_0.1.orig.tar.bz2
 a95a4144a1a786fb23d03d71fee03eb3b44b252b 5364 ssh-proxy-ice-gsocket_0.1-1.debian.tar.xz
Checksums-Sha256:
 6408ca0f8a60c3cee2b4dea8e5dbf56b27e52de15f90c9bdcd310f3c5ddb12b2 11476 ssh-proxy-ice-gsocket_0.1.orig.tar.bz2
 3d8cae76310a1c720d6ee0350b0af781f5488afa8f1332bf0102e318b41addef 5364 ssh-proxy-ice-gsocket_0.1-1.debian.tar.xz
Files:
 dfda828cee725f54c7d71f8ee1b4888d 11476 ssh-proxy-ice-gsocket_0.1.orig.tar.bz2
 1b1c1436c01bcc1d9f65712118505c6d 5364 ssh-proxy-ice-gsocket_0.1-1.debian.tar.xz
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dpkg-source: warning: cannot verify inline signature for ./ssh-proxy-ice-gsocket_0.1-1.dsc: no acceptable signature found
dpkg-source: info: extracting ssh-proxy-ice-gsocket in /build/reproducible-path/ssh-proxy-ice-gsocket-0.1
dpkg-source: info: unpacking ssh-proxy-ice-gsocket_0.1.orig.tar.bz2
dpkg-source: info: unpacking ssh-proxy-ice-gsocket_0.1-1.debian.tar.xz

Check disk space
----------------

Sufficient free space for build

User Environment
----------------

APT_CONFIG=/var/lib/sbuild/apt.conf
HOME=/sbuild-nonexistent
LANG=C.UTF-8
LC_ALL=C.UTF-8
LOGNAME=sbuild
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
SHELL=/bin/sh
USER=sbuild

dpkg-buildpackage
-----------------

Command: dpkg-buildpackage --sanitize-env -us -uc -b
dpkg-buildpackage: info: source package ssh-proxy-ice-gsocket
dpkg-buildpackage: info: source version 0.1-1
dpkg-buildpackage: info: source distribution unstable
dpkg-buildpackage: info: source changed by Ying-Chun Liu (PaulLiu) <paulliu@debian.org>
 dpkg-source --before-build .
dpkg-buildpackage: info: host architecture arm64
 debian/rules clean
dh clean
   dh_clean
 debian/rules binary
dh binary
   dh_update_autotools_config
   dh_autoreconf
   dh_auto_configure
	cd obj-aarch64-linux-gnu && DEB_PYTHON_INSTALL_LAYOUT=deb PKG_CONFIG=/usr/bin/pkg-config cmake -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_BUILD_TYPE=None -DCMAKE_INSTALL_SYSCONFDIR=/etc -DCMAKE_INSTALL_LOCALSTATEDIR=/var -DCMAKE_EXPORT_NO_PACKAGE_REGISTRY=ON -DCMAKE_FIND_USE_PACKAGE_REGISTRY=OFF -DCMAKE_FIND_PACKAGE_NO_PACKAGE_REGISTRY=ON -DFETCHCONTENT_FULLY_DISCONNECTED=ON -DCMAKE_INSTALL_RUNSTATEDIR=/run -DCMAKE_SKIP_INSTALL_ALL_DEPENDENCY=ON "-GUnix Makefiles" -DCMAKE_VERBOSE_MAKEFILE=ON -DCMAKE_INSTALL_LIBDIR=lib/aarch64-linux-gnu ..
CMake Error at CMakeLists.txt:1 (cmake_minimum_required):
  Compatibility with CMake < 3.5 has been removed from CMake.

  Update the VERSION argument <min> value.  Or, use the <min>...<max> syntax
  to tell CMake that the project requires at least <min> but has been updated
  to work with policies introduced by <max> or earlier.

  Or, add -DCMAKE_POLICY_VERSION_MINIMUM=3.5 to try configuring anyway.

-------------------------------------------------------------------------------

The above is just how the build ends and not necessarily the most relevant part.
If required, the full build log is available here (for the next 30 days):
https://debusine.debian.net/artifact/2411785/

The most likely cause of build failures is the removed backwards compatibility for
CMake versions earlier than 3.5. You can find additional information in my
debian-devel announcement:

https://lists.debian.org/debian-devel/2025/04/msg00310.html

About the archive rebuild: The build was made on debusine.debian.net,
using sbuild.

You can find the build task here:
https://debusine.debian.net/work-request/154939/

If this is really a bug in one of the build-depends, please use
reassign and affects, so that this is still visible in the BTS web
page for this package.

Thanks,
Timo

I have downgraded the bug to non-RC severity temporarily and reverted
CMake in unstable to version 3.31.6. I plan to re-upgrade in about a
month's time. I realize that despite my April announcement, the upload
to unstable came rather surprising, and I don't want to cause
unnecessary pain.

Also, the build log URL has an unfortunate mistake. The correct URL
should include the workspace, i.e.,

https://debusine.debian.net/debian/developers/artifact/XXXX

CMake 4 will also be available in experimental again, so it can be
used to verify that the bug is fixed.

Cheers
Timo