Package: src:kf6-kcoreaddons
Version: 6.10.0-1
Severity: important
Tags: sid forky
User: debian-...@lists.debian.org
Usertags: ftbfs-gcc-15

[This bug is NOT targeted to the upcoming trixie release]

Please keep this issue open in the bug tracker for the package it
was filed for.  If a fix in another package is required, please
file a bug for the other package (or clone), and add a block in this
package. Please keep the issue open until the package can be built in
a follow-up test rebuild.

The package fails to build in a test rebuild on at least amd64 with
gcc-15/g++-15, but succeeds to build with gcc-14/g++-14. The
severity of this report will be raised before the forky release.

The full build log can be found at:
http://qa-logs.debian.net/2025/02/16/amd64exp/kf6-kcoreaddons_6.10.0-1_unstable_gccexp.log.gz
The last lines of the build log are at the end of this report.

To build with GCC 15, either set CC=gcc-15 CXX=g++-15 explicitly,
or install the gcc, g++, gfortran, ... packages from experimental.

  apt-get -t=experimental install g++ 

GCC 15 now defaults to the C23/C++23 standards, exposing many FTBFS.
Other Common build failures are new warnings resulting in build failures
with -Werror turned on, or new/dropped symbols in Debian symbols files.
For other C/C++ related build failures see the porting guide at
http://gcc.gnu.org/gcc-15/porting_to.html

[...]
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CMakeFiles/KF6CoreAddons.dir/KF6CoreAddons_autogen/mocs_compilation.cpp.o 
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CMakeFiles/KF6CoreAddons.dir/KF6CoreAddons_autogen/mocs_compilation.cpp.o 
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CMakeFiles/KF6CoreAddons.dir/KF6CoreAddons_autogen/mocs_compilation.cpp.o 
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CMakeFiles/KF6CoreAddons.dir/KF6CoreAddons_autogen/mocs_compilation.cpp.o 
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CMakeFiles/KF6CoreAddons.dir/KF6CoreAddons_autogen/mocs_compilation.cpp.o 
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CMakeFiles/KF6CoreAddons.dir/KF6CoreAddons_autogen/mocs_compilation.cpp.o 
(symbol from plugin):(.text+0x0): first defined here
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(symbol from plugin):(.text+0x0): first defined here
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collect2: error: ld returned 1 exit status
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-ffile-prefix-map=/build/reproducible-path/kf6-kcoreaddons-6.10.0=. -flto=auto 
-ffat-lto-objects -fstack-protector-strong -fstack-clash-protection -Wformat 
-Werror=format-security -fcf-protection -Wdate-time -D_FORTIFY_SOURCE=2 
-fno-operator-names -Wall -Wextra -Wcast-align -Wchar-subscripts 
-Wformat-security -Wno-long-long -Wpointer-arith -Wundef -Wnon-virtual-dtor 
-Woverloaded-virtual -Werror=return-type -Werror=init-self -Werror=undef -Wvla 
-Wdate-time -Wsuggest-override -Wlogical-op -pedantic 
-Wzero-as-null-pointer-constant -Wmissing-include-dirs -fexceptions 
-Wl,--no-undefined -Wl,--fatal-warnings -Wl,--enable-new-dtags -flto=auto 
-ffat-lto-objects -Wl,-z,relro -Wl,-z,now -shared 
-Wl,-soname,libKF6CoreAddons.so.6 -o ../../bin/libKF6CoreAddons.so.6.10.0 
CMakeFiles/KF6CoreAddons.dir/KF6CoreAddons_autogen/mocs_compilation.cpp.o 
"CMakeFiles/KF6CoreAddons.dir/ECMQmLoader-kcoreaddons6_qt.cpp.o" 
CMakeFiles/KF6CoreAddons.dir/caching/kshareddatacache.cpp.o CMake
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CMakeFiles/KF6CoreAddons.dir/caching/ksdcmemory.cpp.o 
CMakeFiles/KF6CoreAddons.dir/text/kmacroexpander_unix.cpp.o 
CMakeFiles/KF6CoreAddons.dir/util/klistopenfilesjob_unix.cpp.o 
CMakeFiles/KF6CoreAddons.dir/util/kuser_unix.cpp.o 
CMakeFiles/KF6CoreAddons.dir/util/kshell_unix.cpp.o 
CMakeFiles/KF6CoreAddons.dir/util/kprocesslist_unix.cpp.o 
CMakeFiles/KF6CoreAddons.dir/io/org.freedesktop.portal.FileTransfer.cpp.o 
CMakeFiles/KF6CoreAddons.dir/io/org.kde.KIOFuse.VFS.cpp.o 
CMakeFiles/KF6CoreAddons.dir/kaboutdata.cpp.o 
CMakeFiles/KF6CoreAddons.dir/kcoreaddons.cpp.o 
CMakeFiles/KF6CoreAddons.dir/io/kautosavefile.cpp.o 
CMakeFiles/KF6CoreAddons.dir/io/kdirwatch.cpp.o 
CMakeFiles/KF6CoreAddons.dir/io/kfilesystemtype.cpp.o 
CMakeFiles/KF6CoreAddons.dir/io/kbackup.cpp.o 
CMakeFiles/KF6CoreAddons.dir/io/kurlmimedata.cpp.o 
CMakeFiles/KF6CoreAddons.dir/io/kfileutils.cpp.o 
CMakeFiles/KF6CoreAddons.dir/io/knetworkmounts.cpp.o 
CMakeFiles/KF6CoreAddons.dir/jobs/
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CMakeFiles/KF6CoreAddons.dir/jobs/kjobtrackerinterface.cpp.o 
CMakeFiles/KF6CoreAddons.dir/jobs/kjobuidelegate.cpp.o 
CMakeFiles/KF6CoreAddons.dir/plugin/kpluginfactory.cpp.o 
CMakeFiles/KF6CoreAddons.dir/plugin/kpluginmetadata.cpp.o 
CMakeFiles/KF6CoreAddons.dir/plugin/kstaticpluginhelpers.cpp.o 
CMakeFiles/KF6CoreAddons.dir/randomness/krandom.cpp.o 
CMakeFiles/KF6CoreAddons.dir/text/kemoticonsparser.cpp.o 
CMakeFiles/KF6CoreAddons.dir/text/kjsonutils.cpp.o 
CMakeFiles/KF6CoreAddons.dir/text/kfuzzymatcher.cpp.o 
CMakeFiles/KF6CoreAddons.dir/text/kmacroexpander.cpp.o 
CMakeFiles/KF6CoreAddons.dir/text/kstringhandler.cpp.o 
CMakeFiles/KF6CoreAddons.dir/text/ktexttohtml.cpp.o 
CMakeFiles/KF6CoreAddons.dir/util/kformat.cpp.o 
CMakeFiles/KF6CoreAddons.dir/util/kformatprivate.cpp.o 
CMakeFiles/KF6CoreAddons.dir/util/kosrelease.cpp.o 
CMakeFiles/KF6CoreAddons.dir/util/kprocesslist.cpp.o 
CMakeFiles/KF6CoreAddons.dir/util/kshell.cpp.o CMakeF
 iles/KF6CoreAddons.dir/util/klibexec.cpp.o 
CMakeFiles/KF6CoreAddons.dir/util/ksignalhandler.cpp.o 
CMakeFiles/KF6CoreAddons.dir/util/kmemoryinfo.cpp.o 
CMakeFiles/KF6CoreAddons.dir/util/kruntimeplatform.cpp.o 
CMakeFiles/KF6CoreAddons.dir/io/kprocess.cpp.o 
CMakeFiles/KF6CoreAddons.dir/util/ksandbox.cpp.o 
CMakeFiles/KF6CoreAddons.dir/kcoreaddons_debug.cpp.o 
CMakeFiles/KF6CoreAddons.dir/KF6CoreAddons_autogen/2QG4HPNWYX/qrc_licenses.cpp.o
  /usr/lib/x86_64-linux-gnu/libQt6DBus.so.6.7.2 
/usr/lib/x86_64-linux-gnu/libudev.so 
/usr/lib/x86_64-linux-gnu/libQt6Core.so.6.7.2 -ldl
make[3]: *** [src/lib/CMakeFiles/KF6CoreAddons.dir/build.make:1015: 
bin/libKF6CoreAddons.so.6.10.0] Error 1
make[3]: Leaving directory 
'/build/reproducible-path/kf6-kcoreaddons-6.10.0/obj-x86_64-linux-gnu'
make[2]: *** [CMakeFiles/Makefile2:4678: 
src/lib/CMakeFiles/KF6CoreAddons.dir/all] Error 2
make[2]: Leaving directory 
'/build/reproducible-path/kf6-kcoreaddons-6.10.0/obj-x86_64-linux-gnu'
make[1]: *** [Makefile:149: all] Error 2
make[1]: Leaving directory 
'/build/reproducible-path/kf6-kcoreaddons-6.10.0/obj-x86_64-linux-gnu'
dh_auto_build: error: cd obj-x86_64-linux-gnu && make -j8 "INSTALL=install 
--strip-program=true" VERBOSE=1 returned exit code 2
make: *** [debian/rules:6: binary] Error 25
dpkg-buildpackage: error: debian/rules binary subprocess returned exit status 2

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