#1113282 metis: FTBFS with CMake 4

#1113282#5
Date:
2025-08-31 23:00:31 UTC
From:
To:
Dear maintainer,

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

Log Summary:
-------------------------------------------------------------------------------
[...]
Uploaders: Anton Gladky <gladk@debian.org>
Homepage: http://glaros.dtc.umn.edu/gkhome/metis/metis/overview
Standards-Version: 4.5.0
Vcs-Browser: https://salsa.debian.org/science-team/metis
Vcs-Git: https://salsa.debian.org/science-team/metis.git
Testsuite: autopkgtest
Testsuite-Triggers: build-essential
Build-Depends: cmake, debhelper-compat (= 13)
Package-List:
 libmetis-dev deb libdevel optional arch=any
 libmetis-doc deb doc optional arch=all
 libmetis5 deb libs optional arch=any
 metis deb math optional arch=any
Checksums-Sha1:
 77d8feaf29aeaae365a84634fbc7dff2c76a7b98 3546136 metis_5.1.0.dfsg.orig.tar.xz
 993c0a1ce15a3f3c3e976d5e6b6afa93a543b246 8376 metis_5.1.0.dfsg-7.debian.tar.xz
Checksums-Sha256:
 c50a88b92b01fa3972c5c92cf50117f126c62589b8f793657c7d865c59c23615 3546136 metis_5.1.0.dfsg.orig.tar.xz
 5d7c0b63501c4825945c6ddfec575c61ab383e518160e942bde7e8dd0861f8bd 8376 metis_5.1.0.dfsg-7.debian.tar.xz
Files:
 e802b5f0501168e1817fac72c183ef34 3546136 metis_5.1.0.dfsg.orig.tar.xz
 52bf5640e0f7545dc09e5c8167fd748a 8376 metis_5.1.0.dfsg-7.debian.tar.xz
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dpkg-source: warning: cannot verify inline signature for ./metis_5.1.0.dfsg-7.dsc: no acceptable signature found
dpkg-source: info: extracting metis in /build/reproducible-path/metis-5.1.0.dfsg
dpkg-source: info: unpacking metis_5.1.0.dfsg.orig.tar.xz
dpkg-source: info: unpacking metis_5.1.0.dfsg-7.debian.tar.xz
dpkg-source: info: using patch list from debian/patches/series
dpkg-source: info: applying 01_fix_installation_paths.patch

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 metis
dpkg-buildpackage: info: source version 5.1.0.dfsg-7
dpkg-buildpackage: info: source distribution unstable
dpkg-buildpackage: info: source changed by Anton Gladky <gladk@debian.org>
 dpkg-source --before-build .
dpkg-buildpackage: info: host architecture arm64
 debian/rules clean
dh clean --buildsystem=cmake
   dh_auto_clean -O--buildsystem=cmake
   dh_autoreconf_clean -O--buildsystem=cmake
   dh_clean -O--buildsystem=cmake
 debian/rules binary
dh binary --buildsystem=cmake
   dh_update_autotools_config -O--buildsystem=cmake
   dh_autoreconf -O--buildsystem=cmake
   dh_auto_configure -O--buildsystem=cmake
	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/2404172/ 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/154109/ 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
#1113282#12
Date:
2025-09-01 11:52:09 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