#1113513 smtpping: FTBFS with CMake 4

#1113513#5
Date:
2025-08-31 23:04:48 UTC
From:
To:
Dear maintainer,

During a test rebuild for CMake 4, smtpping failed to rebuild.

Log Summary:
-------------------------------------------------------------------------------
[...]

+------------------------------------------------------------------------------+
| Build                                        Sat, 30 Aug 2025 20:35:18 +0000 |
+------------------------------------------------------------------------------+


Unpack source
-------------
Format: 3.0 (quilt)
Source: smtpping
Binary: smtpping
Architecture: any
Version: 1.1.4-1
Maintainer: Ana Custura <ana@netstat.org.uk>
Homepage: https://github.com/halonsecurity/smtpping
Standards-Version: 4.1.5
Vcs-Browser: https://salsa.debian.org/ineteng-team/smtpping
Vcs-Git: https://salsa.debian.org/ineteng-team/smtpping.git
Build-Depends: debhelper-compat (= 13), cmake
Package-List:
 smtpping deb net optional arch=any
Checksums-Sha1:
 980866327251a6b8f3e86cc68fc7847aa101987d 16653 smtpping_1.1.4.orig.tar.gz
 7f4b39224d98e79999bf4bac8dc90b807e34c47a 1996 smtpping_1.1.4-1.debian.tar.xz
Checksums-Sha256:
 beca8c44133b91ebe9fdfd044d8dee0947aa7683cba7b0e509ce15cda8fef74a 16653 smtpping_1.1.4.orig.tar.gz
 3b6d366020925ab746846610eb5dea7dd519559ddbf41e42dbb50b42f2306453 1996 smtpping_1.1.4-1.debian.tar.xz
Files:
 a81238d7bd51130b03e697a613901ac9 16653 smtpping_1.1.4.orig.tar.gz
 a663dc0a0050a164ffe458db4172c8f8 1996 smtpping_1.1.4-1.debian.tar.xz
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dpkg-source: warning: cannot verify inline signature for ./smtpping_1.1.4-1.dsc: no acceptable signature found
dpkg-source: info: extracting smtpping in /build/reproducible-path/smtpping-1.1.4
dpkg-source: info: unpacking smtpping_1.1.4.orig.tar.gz
dpkg-source: info: unpacking smtpping_1.1.4-1.debian.tar.xz
dpkg-source: info: using patch list from debian/patches/series
dpkg-source: info: applying mandir.diff

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 smtpping
dpkg-buildpackage: info: source version 1.1.4-1
dpkg-buildpackage: info: source distribution unstable
dpkg-buildpackage: info: source changed by Ana Custura <ana@netstat.org.uk>
 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/2411289/ 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/154884/ 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
#1113513#12
Date:
2025-09-01 11:52:35 UTC
From:
To:
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