Dear maintainer,
During a test rebuild for CMake 4, libkml failed to rebuild.
Log Summary:
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[...]
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dpkg-source: warning: cannot verify inline signature for ./libkml_1.3.0-12.dsc: no acceptable signature found
dpkg-source: info: extracting libkml in /build/reproducible-path/libkml-1.3.0
dpkg-source: info: unpacking libkml_1.3.0.orig.tar.gz
dpkg-source: info: unpacking libkml_1.3.0-12.debian.tar.xz
dpkg-source: info: using patch list from debian/patches/series
dpkg-source: info: applying wrong-path-for-interpreter.patch
dpkg-source: info: applying python3.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 libkml
dpkg-buildpackage: info: source version 1.3.0-12
dpkg-buildpackage: info: source distribution unstable
dpkg-buildpackage: info: source changed by Bas Couwenberg <sebastic@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/libkml-1.3.0'
dh_auto_configure -- \
-DLIB_INSTALL_DIR=/usr/lib/aarch64-linux-gnu \
-DCMAKE_INSTALL_DIR=/usr/lib/aarch64-linux-gnu/cmake/libkml \
-DBUILD_TESTING=OFF \
-DBUILD_EXAMPLES=OFF \
-DINSTALL_EXAMPLES=OFF
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 -DLIB_INSTALL_DIR=/usr/lib/aarch64-linux-gnu -DCMAKE_INSTALL_DIR=/usr/lib/aarch64-linux-gnu/cmake/libkml -DBUILD_TESTING=OFF -DBUILD_EXAMPLES=OFF -DINSTALL_EXAMPLES=OFF ..
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.
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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/2401071/
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/153797/
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