Bug#1113068: kcm-fcitx: FTBFS with CMake 4
Source: kcm-fcitx
Version: 0.5.6+git20221120-1
Severity: serious
User: cmake@packages.debian.org
Usertags: cmake-4
Tags: ftbfs, forky, sid
Dear maintainer,
During a test rebuild for CMake 4, kcm-fcitx failed to rebuild.
Log Summary:
-------------------------------------------------------------------------------
[...]
bf7c8d4d88fef9f9f5e80dc29d36f378b4591d24a03e09c85d51d92d1a917ab9 3104 kcm-fcitx_0.5.6+git20221120-1.debian.tar.xz
Files:
7e0244f765ff168a4831b32455aa737e 80139 kcm-fcitx_0.5.6+git20221120.orig.tar.gz
d34dfa5987757354a6d7f678feed9a30 3104 kcm-fcitx_0.5.6+git20221120-1.debian.tar.xz
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1pFHKPCgmSGzYqzvc2mJI79NYcygdGjd2SX7cpdI6Bp7Pte6aTsnKo4vVhnti5+s
SRfADiirBJf6gyBM6BkxietqtvGEMB47WIDwJv4h3/AEyTO3dTl9NS7bw7OOKiyV
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dpkg-source: warning: cannot verify inline signature for ./kcm-fcitx_0.5.6+git20221120-1.dsc: no acceptable signature found
dpkg-source: info: extracting kcm-fcitx in /build/reproducible-path/kcm-fcitx-0.5.6+git20221120
dpkg-source: info: unpacking kcm-fcitx_0.5.6+git20221120.orig.tar.gz
dpkg-source: info: unpacking kcm-fcitx_0.5.6+git20221120-1.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 kcm-fcitx
dpkg-buildpackage: info: source version 0.5.6+git20221120-1
dpkg-buildpackage: info: source distribution unstable
dpkg-buildpackage: info: source changed by Boyuan Yang <byang@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
debian/rules override_dh_auto_configure
make[1]: Entering directory '/build/reproducible-path/kcm-fcitx-0.5.6+git20221120'
dh_auto_configure -- \
-DCMAKE_BUILD_TYPE=Release \
-DLIB_INSTALL_DIR=/usr/lib/aarch64-linux-gnu \
-DCMAKE_INSTALL_PLUGINDIR=/usr/lib/aarch64-linux-gnu/qt5/plugins
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 -DCMAKE_BUILD_TYPE=Release -DLIB_INSTALL_DIR=/usr/lib/aarch64-linux-gnu -DCMAKE_INSTALL_PLUGINDIR=/usr/lib/aarch64-linux-gnu/qt5/plugins ..
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.
-- Configuring incomplete, errors occurred!
cd obj-aarch64-linux-gnu && tail -v -n \+0 CMakeCache.txt
==> CMakeCache.txt <==
# This is the CMakeCache file.
# For build in directory: /build/reproducible-path/kcm-fcitx-0.5.6+git20221120/obj-aarch64-linux-gnu
# It was generated by CMake: /usr/bin/cmake
# You can edit this file to change values found and used by cmake.
# If you do not want to change any of the values, simply exit the editor.
# If you do want to change a value, simply edit, save, and exit the editor.
# The syntax for the file is as follows:
# KEY:TYPE=VALUE
# KEY is the name of a variable in the cache.
# TYPE is a hint to GUIs for the type of VALUE, DO NOT EDIT TYPE!.
# VALUE is the current value for the KEY.
########################
# EXTERNAL cache entries
########################
//No help, variable specified on the command line.
CMAKE_BUILD_TYPE:UNINITIALIZED=Release
//No help, variable specified on the command line.
CMAKE_EXPORT_NO_PACKAGE_REGISTRY:UNINITIALIZED=ON
//No help, variable specified on the command line.
CMAKE_FIND_PACKAGE_NO_PACKAGE_REGISTRY:UNINITIALIZED=ON
//Value Computed by CMake.
CMAKE_FIND_PACKAGE_REDIRECTS_DIR:STATIC=/build/reproducible-path/kcm-fcitx-0.5.6+git20221120/obj-aarch64-linux-gnu/CMakeFiles/pkgRedirects
//No help, variable specified on the command line.
CMAKE_FIND_USE_PACKAGE_REGISTRY:UNINITIALIZED=OFF
//No help, variable specified on the command line.
CMAKE_INSTALL_LIBDIR:UNINITIALIZED=lib/aarch64-linux-gnu
//No help, variable specified on the command line.
CMAKE_INSTALL_LOCALSTATEDIR:UNINITIALIZED=/var
//No help, variable specified on the command line.
CMAKE_INSTALL_PLUGINDIR:UNINITIALIZED=/usr/lib/aarch64-linux-gnu/qt5/plugins
//No help, variable specified on the command line.
CMAKE_INSTALL_PREFIX:UNINITIALIZED=/usr
//No help, variable specified on the command line.
CMAKE_INSTALL_RUNSTATEDIR:UNINITIALIZED=/run
//No help, variable specified on the command line.
CMAKE_INSTALL_SYSCONFDIR:UNINITIALIZED=/etc
//No help, variable specified on the command line.
CMAKE_SKIP_INSTALL_ALL_DEPENDENCY:UNINITIALIZED=ON
//No help, variable specified on the command line.
CMAKE_VERBOSE_MAKEFILE:UNINITIALIZED=ON
//No help, variable specified on the command line.
FETCHCONTENT_FULLY_DISCONNECTED:UNINITIALIZED=ON
//No help, variable specified on the command line.
LIB_INSTALL_DIR:UNINITIALIZED=/usr/lib/aarch64-linux-gnu
########################
# INTERNAL cache entries
########################
//This is the directory where this CMakeCache.txt was created
CMAKE_CACHEFILE_DIR:INTERNAL=/build/reproducible-path/kcm-fcitx-0.5.6+git20221120/obj-aarch64-linux-gnu
//Major version of cmake used to create the current loaded cache
CMAKE_CACHE_MAJOR_VERSION:INTERNAL=4
//Minor version of cmake used to create the current loaded cache
CMAKE_CACHE_MINOR_VERSION:INTERNAL=1
//Patch version of cmake used to create the current loaded cache
CMAKE_CACHE_PATCH_VERSION:INTERNAL=1
//Path to CMake executable.
CMAKE_COMMAND:INTERNAL=/usr/bin/cmake
//Path to cpack program executable.
CMAKE_CPACK_COMMAND:INTERNAL=/usr/bin/cpack
//Path to ctest program executable.
CMAKE_CTEST_COMMAND:INTERNAL=/usr/bin/ctest
//Name of external makefile project generator.
CMAKE_EXTRA_GENERATOR:INTERNAL=
//Name of generator.
CMAKE_GENERATOR:INTERNAL=Unix Makefiles
//Generator instance identifier.
CMAKE_GENERATOR_INSTANCE:INTERNAL=
//Name of generator platform.
CMAKE_GENERATOR_PLATFORM:INTERNAL=
//Name of generator toolset.
CMAKE_GENERATOR_TOOLSET:INTERNAL=
//Source directory with the top level CMakeLists.txt file for this
// project
CMAKE_HOME_DIRECTORY:INTERNAL=/build/reproducible-path/kcm-fcitx-0.5.6+git20221120
//Name of CMakeLists files to read
CMAKE_LIST_FILE_NAME:INTERNAL=CMakeLists.txt
//number of local generators
CMAKE_NUMBER_OF_MAKEFILES:INTERNAL=1
//Path to CMake installation.
CMAKE_ROOT:INTERNAL=/usr/share/cmake-4.1
dh_auto_configure: error: 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 -DCMAKE_BUILD_TYPE=Release -DLIB_INSTALL_DIR=/usr/lib/aarch64-linux-gnu -DCMAKE_INSTALL_PLUGINDIR=/usr/lib/aarch64-linux-gnu/qt5/plugins .. returned exit code 1
make[1]: *** [debian/rules:19: override_dh_auto_configure] Error 2
make[1]: Leaving directory '/build/reproducible-path/kcm-fcitx-0.5.6+git20221120'
make: *** [debian/rules:16: binary] Error 2
dpkg-buildpackage: error: debian/rules binary subprocess returned exit status 2
--------------------------------------------------------------------------------
Build finished at 2025-08-29T23:35:46Z
-------------------------------------------------------------------------------
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/2394888/
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/153255/
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
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