Bug#1113343: ogre-1.12: FTBFS with CMake 4

roehling at debian.org roehling at debian.org
Mon Sep 1 00:01:35 BST 2025 

Source: ogre-1.12
Version: 1.12.10+dfsg2-6
Severity: serious
User: cmake at packages.debian.org
Usertags: cmake-4
Tags: ftbfs, forky, sid

Dear maintainer,

During a test rebuild for CMake 4, ogre-1.12 failed to rebuild.

Log Summary:
-------------------------------------------------------------------------------
[...]
dpkg-buildpackage: info: source package ogre-1.12
dpkg-buildpackage: info: source version 1.12.10+dfsg2-6
dpkg-buildpackage: info: source distribution unstable
dpkg-buildpackage: info: source changed by Jochen Sprickerhof <jspricke at debian.org>
 dpkg-source --before-build .
dpkg-buildpackage: info: host architecture arm64
 debian/rules clean
dh clean \
	--buildsystem=cmake \
	--with python3
   dh_auto_clean -O--buildsystem=cmake
   dh_autoreconf_clean -O--buildsystem=cmake
   debian/rules override_dh_clean
make[1]: Entering directory '/build/reproducible-path/ogre-1.12-1.12.10+dfsg2'
dh_clean
rm -rf debian/libogre1.12.10.*
make[1]: Leaving directory '/build/reproducible-path/ogre-1.12-1.12.10+dfsg2'
 debian/rules binary
dh binary \
	--buildsystem=cmake \
	--with python3
   dh_update_autotools_config -O--buildsystem=cmake
   dh_autoreconf -O--buildsystem=cmake
   debian/rules override_dh_auto_configure
make[1]: Entering directory '/build/reproducible-path/ogre-1.12-1.12.10+dfsg2'
dh_auto_configure -- \
	-DOGRE_LIB_DIRECTORY="lib/aarch64-linux-gnu" \
	-DCMAKE_SKIP_RPATH:BOOL=TRUE \
	-DOGRE_BUILD_RENDERSYSTEM_GLES2:BOOL=TRUE \
	-DOGRE_BUILD_DEPENDENCIES:BOOL=FALSE \
	-DOGRE_BUILD_DOCS:BOOL=TRUE \
	-DOGRE_INSTALL_DOCS:BOOL=TRUE \
	-DOGRE_BUILD_SAMPLES:BOOL=FALSE \
	-DOGRE_INSTALL_SAMPLES:BOOL=FALSE \
	-DOGRE_INSTALL_SAMPLES_SOURCE:BOOL=FALSE \
	-DOGRE_BUILD_COMPONENT_PYTHON:BOOL=TRUE \
	-DOGRE_BUILD_COMPONENT_CSHARP:BOOL=FALSE \
	-DPYTHON_EXECUTABLE:FILEPATH=/usr/bin/python3
	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 "-GUnix Makefiles" -DCMAKE_VERBOSE_MAKEFILE=ON -DCMAKE_INSTALL_LIBDIR=lib/aarch64-linux-gnu -DOGRE_LIB_DIRECTORY=lib/aarch64-linux-gnu -DCMAKE_SKIP_RPATH:BOOL=TRUE -DOGRE_BUILD_RENDERSYSTEM_GLES2:BOOL=TRUE -DOGRE_BUILD_DEPENDENCIES:BOOL=FALSE -DOGRE_BUILD_DOCS:BOOL=TRUE -DOGRE_INSTALL_DOCS:BOOL=TRUE -DOGRE_BUILD_SAMPLES:BOOL=FALSE -DOGRE_INSTALL_SAMPLES:BOOL=FALSE -DOGRE_INSTALL_SAMPLES_SOURCE:BOOL=FALSE -DOGRE_BUILD_COMPONENT_PYTHON:BOOL=TRUE -DOGRE_BUILD_COMPONENT_CSHARP:BOOL=FALSE -DPYTHON_EXECUTABLE:FILEPATH=/usr/bin/python3 ..
CMake Error at CMakeLists.txt:17 (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/ogre-1.12-1.12.10+dfsg2/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=None

//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/ogre-1.12-1.12.10+dfsg2/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_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_RPATH:BOOL=TRUE

//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.
OGRE_BUILD_COMPONENT_CSHARP:BOOL=FALSE

//No help, variable specified on the command line.
OGRE_BUILD_COMPONENT_PYTHON:BOOL=TRUE

//No help, variable specified on the command line.
OGRE_BUILD_DEPENDENCIES:BOOL=FALSE

//No help, variable specified on the command line.
OGRE_BUILD_DOCS:BOOL=TRUE

//No help, variable specified on the command line.
OGRE_BUILD_RENDERSYSTEM_GLES2:BOOL=TRUE

//No help, variable specified on the command line.
OGRE_BUILD_SAMPLES:BOOL=FALSE

//No help, variable specified on the command line.
OGRE_INSTALL_DOCS:BOOL=TRUE

//No help, variable specified on the command line.
OGRE_INSTALL_SAMPLES:BOOL=FALSE

//No help, variable specified on the command line.
OGRE_INSTALL_SAMPLES_SOURCE:BOOL=FALSE

//No help, variable specified on the command line.
OGRE_LIB_DIRECTORY:UNINITIALIZED=lib/aarch64-linux-gnu

//No help, variable specified on the command line.
PYTHON_EXECUTABLE:FILEPATH=/usr/bin/python3


########################
# INTERNAL cache entries
########################

//This is the directory where this CMakeCache.txt was created
CMAKE_CACHEFILE_DIR:INTERNAL=/build/reproducible-path/ogre-1.12-1.12.10+dfsg2/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/ogre-1.12-1.12.10+dfsg2
//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 "-GUnix Makefiles" -DCMAKE_VERBOSE_MAKEFILE=ON -DCMAKE_INSTALL_LIBDIR=lib/aarch64-linux-gnu -DOGRE_LIB_DIRECTORY=lib/aarch64-linux-gnu -DCMAKE_SKIP_RPATH:BOOL=TRUE -DOGRE_BUILD_RENDERSYSTEM_GLES2:BOOL=TRUE -DOGRE_BUILD_DEPENDENCIES:BOOL=FALSE -DOGRE_BUILD_DOCS:BOOL=TRUE -DOGRE_INSTALL_DOCS:BOOL=TRUE -DOGRE_BUILD_SAMPLES:BOOL=FALSE -DOGRE_INSTALL_SAMPLES:BOOL=FALSE -DOGRE_INSTALL_SAMPLES_SOURCE:BOOL=FALSE -DOGRE_BUILD_COMPONENT_PYTHON:BOOL=TRUE -DOGRE_BUILD_COMPONENT_CSHARP:BOOL=FALSE -DPYTHON_EXECUTABLE:FILEPATH=/usr/bin/python3 .. returned exit code 1
make[1]: *** [debian/rules:47: override_dh_auto_configure] Error 2
make[1]: Leaving directory '/build/reproducible-path/ogre-1.12-1.12.10+dfsg2'
make: *** [debian/rules:41: binary] Error 2
dpkg-buildpackage: error: debian/rules binary subprocess returned exit status 2
--------------------------------------------------------------------------------
Build finished at 2025-08-30T10:45:31Z

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

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/2405878/

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/154299/

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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