Dear maintainer,

During a test rebuild for CMake 4, scap-security-guide failed to rebuild.

Log Summary:
-------------------------------------------------------------------------------
[...]
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dpkg-source: warning: cannot verify inline signature for ./scap-security-guide_0.1.76-1.dsc: no acceptable signature found
dpkg-source: info: extracting scap-security-guide in /build/reproducible-path/scap-security-guide-0.1.76
dpkg-source: info: unpacking scap-security-guide_0.1.76.orig.tar.gz
dpkg-source: info: unpacking scap-security-guide_0.1.76-1.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 scap-security-guide
dpkg-buildpackage: info: source version 0.1.76-1
dpkg-buildpackage: info: source distribution unstable
dpkg-buildpackage: info: source changed by Håvard F. Aasen <havard.f.aasen@pfft.no>
 dpkg-source --before-build .
dpkg-buildpackage: info: host architecture arm64
dpkg-source: info: using options from scap-security-guide-0.1.76/debian/source/options: --tar-ignore=docs/RedHat/xsl/.svn* --extend-diff-ignore=.gitlab-ci.yml|docs/RedHat/xsl/.svn|.*.pyc
 debian/rules clean
dh clean --builddir=build
   dh_auto_clean -O--builddir=build
   dh_autoreconf_clean -O--builddir=build
   dh_clean -O--builddir=build
 debian/rules binary
dh binary --builddir=build
   dh_update_autotools_config -O--builddir=build
   dh_autoreconf -O--builddir=build
   debian/rules override_dh_auto_configure
make[1]: Entering directory '/build/reproducible-path/scap-security-guide-0.1.76'
dh_auto_configure -- \
	-DSSG_BASH_SCRIPTS_ENABLED=OFF \
	-DSSG_BATS_TESTS_ENABLED=OFF \
	-DSSG_JINJA2_CACHE_ENABLED=ON \
	-DSSG_LINKCHECKER_VALIDATION_ENABLED=OFF \
	-DSSG_OVAL_SCHEMATRON_VALIDATION_ENABLED=OFF \
	-DSSG_SHELLCHECK_BASH_FIXES_VALIDATION_ENABLED=OFF
	cd build && 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 -DSSG_BASH_SCRIPTS_ENABLED=OFF -DSSG_BATS_TESTS_ENABLED=OFF -DSSG_JINJA2_CACHE_ENABLED=ON -DSSG_LINKCHECKER_VALIDATION_ENABLED=OFF -DSSG_OVAL_SCHEMATRON_VALIDATION_ENABLED=OFF -DSSG_SHELLCHECK_BASH_FIXES_VALIDATION_ENABLED=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.

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

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/2410776/

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/154811/

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