[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/qlogo_0.961-1_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 [...] [ 73%] Building CXX object qlogo/CMakeFiles/qlogo.dir/misc/procedurehelper.cpp.o cd /build/reproducible-path/qlogo-0.961/obj-x86_64-linux-gnu/qlogo && /usr/bin/c++ -DLOGOPLATFORM=\"UNIX\" -DLOGOVERSION=\"0.961\" -DQT_CORE_LIB -DQT_GUI_LIB -DQT_NO_DEBUG -DQT_SQL_LIB -DQT_WIDGETS_LIB -I/build/reproducible-path/qlogo-0.961/obj-x86_64-linux-gnu/qlogo -I/build/reproducible-path/qlogo-0.961/qlogo -I/build/reproducible-path/qlogo-0.961/obj-x86_64-linux-gnu/qlogo/qlogo_autogen/include -I/build/reproducible-path/qlogo-0.961/include -isystem /usr/include/x86_64-linux-gnu/qt6/QtCore -isystem /usr/include/x86_64-linux-gnu/qt6 -isystem /usr/lib/x86_64-linux-gnu/qt6/mkspecs/linux-g++ -isystem /usr/include/x86_64-linux-gnu/qt6/QtWidgets -isystem /usr/include/x86_64-linux-gnu/qt6/QtGui -isystem /usr/include/x86_64-linux-gnu/qt6/QtSql -g -O2 -ffile-prefix-map=/build/reproducible-path/qlogo-0.961=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -Wdate-time -D_FORTIFY_SOURCE=2 -std=gnu++17 -MD -MT qlogo/CMakeFiles/qlogo.dir/misc/procedurehelper.cpp.o -MF CMakeFiles/qlogo.dir/misc/procedurehelper.cpp.o.d -o CMakeFiles/qlogo.dir/misc/procedurehelper.cpp.o -c /build/reproducible-path/qlogo-0.961/qlogo/misc/procedurehelper.cpp [ 76%] Building CXX object qlogo/CMakeFiles/qlogo.dir/misc/turtle.cpp.o cd /build/reproducible-path/qlogo-0.961/obj-x86_64-linux-gnu/qlogo && /usr/bin/c++ -DLOGOPLATFORM=\"UNIX\" -DLOGOVERSION=\"0.961\" -DQT_CORE_LIB -DQT_GUI_LIB -DQT_NO_DEBUG -DQT_SQL_LIB -DQT_WIDGETS_LIB -I/build/reproducible-path/qlogo-0.961/obj-x86_64-linux-gnu/qlogo -I/build/reproducible-path/qlogo-0.961/qlogo -I/build/reproducible-path/qlogo-0.961/obj-x86_64-linux-gnu/qlogo/qlogo_autogen/include -I/build/reproducible-path/qlogo-0.961/include -isystem /usr/include/x86_64-linux-gnu/qt6/QtCore -isystem /usr/include/x86_64-linux-gnu/qt6 -isystem /usr/lib/x86_64-linux-gnu/qt6/mkspecs/linux-g++ -isystem /usr/include/x86_64-linux-gnu/qt6/QtWidgets -isystem /usr/include/x86_64-linux-gnu/qt6/QtGui -isystem /usr/include/x86_64-linux-gnu/qt6/QtSql -g -O2 -ffile-prefix-map=/build/reproducible-path/qlogo-0.961=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -Wdate-time -D_FORTIFY_SOURCE=2 -std=gnu++17 -MD -MT qlogo/CMakeFiles/qlogo.dir/misc/turtle.cpp.o -MF CMakeFiles/qlogo.dir/misc/turtle.cpp.o.d -o CMakeFiles/qlogo.dir/misc/turtle.cpp.o -c /build/reproducible-path/qlogo-0.961/qlogo/misc/turtle.cpp [ 78%] Building CXX object qlogo/CMakeFiles/qlogo.dir/parser/parser.cpp.o cd /build/reproducible-path/qlogo-0.961/obj-x86_64-linux-gnu/qlogo && /usr/bin/c++ -DLOGOPLATFORM=\"UNIX\" -DLOGOVERSION=\"0.961\" -DQT_CORE_LIB -DQT_GUI_LIB -DQT_NO_DEBUG -DQT_SQL_LIB -DQT_WIDGETS_LIB -I/build/reproducible-path/qlogo-0.961/obj-x86_64-linux-gnu/qlogo -I/build/reproducible-path/qlogo-0.961/qlogo -I/build/reproducible-path/qlogo-0.961/obj-x86_64-linux-gnu/qlogo/qlogo_autogen/include -I/build/reproducible-path/qlogo-0.961/include -isystem /usr/include/x86_64-linux-gnu/qt6/QtCore -isystem /usr/include/x86_64-linux-gnu/qt6 -isystem /usr/lib/x86_64-linux-gnu/qt6/mkspecs/linux-g++ -isystem /usr/include/x86_64-linux-gnu/qt6/QtWidgets -isystem /usr/include/x86_64-linux-gnu/qt6/QtGui -isystem /usr/include/x86_64-linux-gnu/qt6/QtSql -g -O2 -ffile-prefix-map=/build/reproducible-path/qlogo-0.961=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -Wdate-time -D_FORTIFY_SOURCE=2 -std=gnu++17 -MD -MT qlogo/CMakeFiles/qlogo.dir/parser/parser.cpp.o -MF CMakeFiles/qlogo.dir/parser/parser.cpp.o.d -o CMakeFiles/qlogo.dir/parser/parser.cpp.o -c /build/reproducible-path/qlogo-0.961/qlogo/parser/parser.cpp [ 80%] Building CXX object qlogo/CMakeFiles/qlogo.dir/parser/runparser.cpp.o cd /build/reproducible-path/qlogo-0.961/obj-x86_64-linux-gnu/qlogo && /usr/bin/c++ -DLOGOPLATFORM=\"UNIX\" -DLOGOVERSION=\"0.961\" -DQT_CORE_LIB -DQT_GUI_LIB -DQT_NO_DEBUG -DQT_SQL_LIB -DQT_WIDGETS_LIB -I/build/reproducible-path/qlogo-0.961/obj-x86_64-linux-gnu/qlogo -I/build/reproducible-path/qlogo-0.961/qlogo -I/build/reproducible-path/qlogo-0.961/obj-x86_64-linux-gnu/qlogo/qlogo_autogen/include -I/build/reproducible-path/qlogo-0.961/include -isystem /usr/include/x86_64-linux-gnu/qt6/QtCore -isystem /usr/include/x86_64-linux-gnu/qt6 -isystem /usr/lib/x86_64-linux-gnu/qt6/mkspecs/linux-g++ -isystem /usr/include/x86_64-linux-gnu/qt6/QtWidgets -isystem /usr/include/x86_64-linux-gnu/qt6/QtGui -isystem /usr/include/x86_64-linux-gnu/qt6/QtSql -g -O2 -ffile-prefix-map=/build/reproducible-path/qlogo-0.961=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -Wdate-time -D_FORTIFY_SOURCE=2 -std=gnu++17 -MD -MT qlogo/CMakeFiles/qlogo.dir/parser/runparser.cpp.o -MF CMakeFiles/qlogo.dir/parser/runparser.cpp.o.d -o CMakeFiles/qlogo.dir/parser/runparser.cpp.o -c /build/reproducible-path/qlogo-0.961/qlogo/parser/runparser.cpp [ 83%] Linking CXX executable QLogo-GUI cd /build/reproducible-path/qlogo-0.961/obj-x86_64-linux-gnu/QLogo-GUI && /usr/bin/cmake -E cmake_link_script CMakeFiles/QLogo-GUI.dir/link.txt --verbose=1 /usr/bin/ld: CMakeFiles/QLogo-GUI.dir/canvas.cpp.o:(.rodata+0xb4): multiple definition of `QtPrivate::IsFloatType_v<_Float16>'; CMakeFiles/QLogo-GUI.dir/QLogo-GUI_autogen/mocs_compilation.cpp.o:(.rodata+0x758): first defined here /usr/bin/ld: CMakeFiles/QLogo-GUI.dir/console.cpp.o:(.rodata+0x0): multiple definition of `QtPrivate::IsFloatType_v<_Float16>'; CMakeFiles/QLogo-GUI.dir/QLogo-GUI_autogen/mocs_compilation.cpp.o:(.rodata+0x758): first defined here /usr/bin/ld: CMakeFiles/QLogo-GUI.dir/editorwindow.cpp.o:(.rodata+0x0): multiple definition of `QtPrivate::IsFloatType_v<_Float16>'; CMakeFiles/QLogo-GUI.dir/QLogo-GUI_autogen/mocs_compilation.cpp.o:(.rodata+0x758): first defined here /usr/bin/ld: CMakeFiles/QLogo-GUI.dir/mainwindow.cpp.o:(.rodata+0xb4): multiple definition of `QtPrivate::IsFloatType_v<_Float16>'; CMakeFiles/QLogo-GUI.dir/QLogo-GUI_autogen/mocs_compilation.cpp.o:(.rodata+0x758): first defined here /usr/bin/ld: CMakeFiles/QLogo-GUI.dir/qlogo_main.cpp.o:(.rodata+0x0): multiple definition of `QtPrivate::IsFloatType_v<_Float16>'; CMakeFiles/QLogo-GUI.dir/QLogo-GUI_autogen/mocs_compilation.cpp.o:(.rodata+0x758): first defined here collect2: error: ld returned 1 exit status /usr/bin/c++ -g -O2 -ffile-prefix-map=/build/reproducible-path/qlogo-0.961=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -Wdate-time -D_FORTIFY_SOURCE=2 -Wl,-z,relro -Wl,-z,now -Wl,--dependency-file=CMakeFiles/QLogo-GUI.dir/link.d "CMakeFiles/QLogo-GUI.dir/QLogo-GUI_autogen/mocs_compilation.cpp.o" "CMakeFiles/QLogo-GUI.dir/canvas.cpp.o" "CMakeFiles/QLogo-GUI.dir/console.cpp.o" "CMakeFiles/QLogo-GUI.dir/editorwindow.cpp.o" "CMakeFiles/QLogo-GUI.dir/mainwindow.cpp.o" "CMakeFiles/QLogo-GUI.dir/qlogo_main.cpp.o" -o QLogo-GUI /usr/lib/x86_64-linux-gnu/libQt6Widgets.so.6.7.2 /usr/lib/x86_64-linux-gnu/libQt6Svg.so.6.7.2 /usr/lib/x86_64-linux-gnu/libQt6Sql.so.6.7.2 /usr/lib/x86_64-linux-gnu/libQt6Gui.so.6.7.2 /usr/lib/x86_64-linux-gnu/libGLX.so /usr/lib/x86_64-linux-gnu/libOpenGL.so /usr/lib/x86_64-linux-gnu/libQt6Core.so.6.7.2 make[3]: *** [QLogo-GUI/CMakeFiles/QLogo-GUI.dir/build.make:198: QLogo-GUI/QLogo-GUI] Error 1 make[3]: Leaving directory '/build/reproducible-path/qlogo-0.961/obj-x86_64-linux-gnu' make[2]: *** [CMakeFiles/Makefile2:234: QLogo-GUI/CMakeFiles/QLogo-GUI.dir/all] Error 2 make[2]: *** Waiting for unfinished jobs.... [ 85%] Building CXX object qlogo/CMakeFiles/qlogo.dir/workspace/callframe.cpp.o cd /build/reproducible-path/qlogo-0.961/obj-x86_64-linux-gnu/qlogo && /usr/bin/c++ -DLOGOPLATFORM=\"UNIX\" -DLOGOVERSION=\"0.961\" -DQT_CORE_LIB -DQT_GUI_LIB -DQT_NO_DEBUG -DQT_SQL_LIB -DQT_WIDGETS_LIB -I/build/reproducible-path/qlogo-0.961/obj-x86_64-linux-gnu/qlogo -I/build/reproducible-path/qlogo-0.961/qlogo -I/build/reproducible-path/qlogo-0.961/obj-x86_64-linux-gnu/qlogo/qlogo_autogen/include -I/build/reproducible-path/qlogo-0.961/include -isystem /usr/include/x86_64-linux-gnu/qt6/QtCore -isystem /usr/include/x86_64-linux-gnu/qt6 -isystem /usr/lib/x86_64-linux-gnu/qt6/mkspecs/linux-g++ -isystem /usr/include/x86_64-linux-gnu/qt6/QtWidgets -isystem /usr/include/x86_64-linux-gnu/qt6/QtGui -isystem /usr/include/x86_64-linux-gnu/qt6/QtSql -g -O2 -ffile-prefix-map=/build/reproducible-path/qlogo-0.961=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -Wdate-time -D_FORTIFY_SOURCE=2 -std=gnu++17 -MD -MT qlogo/CMakeFiles/qlogo.dir/workspace/callframe.cpp.o -MF CMakeFiles/qlogo.dir/workspace/callframe.cpp.o.d -o CMakeFiles/qlogo.dir/workspace/callframe.cpp.o -c /build/reproducible-path/qlogo-0.961/qlogo/workspace/callframe.cpp [ 88%] Building CXX object qlogo/CMakeFiles/qlogo.dir/workspace/procedures.cpp.o cd /build/reproducible-path/qlogo-0.961/obj-x86_64-linux-gnu/qlogo && /usr/bin/c++ -DLOGOPLATFORM=\"UNIX\" -DLOGOVERSION=\"0.961\" -DQT_CORE_LIB -DQT_GUI_LIB -DQT_NO_DEBUG -DQT_SQL_LIB -DQT_WIDGETS_LIB -I/build/reproducible-path/qlogo-0.961/obj-x86_64-linux-gnu/qlogo -I/build/reproducible-path/qlogo-0.961/qlogo -I/build/reproducible-path/qlogo-0.961/obj-x86_64-linux-gnu/qlogo/qlogo_autogen/include -I/build/reproducible-path/qlogo-0.961/include -isystem /usr/include/x86_64-linux-gnu/qt6/QtCore -isystem /usr/include/x86_64-linux-gnu/qt6 -isystem /usr/lib/x86_64-linux-gnu/qt6/mkspecs/linux-g++ -isystem /usr/include/x86_64-linux-gnu/qt6/QtWidgets -isystem /usr/include/x86_64-linux-gnu/qt6/QtGui -isystem /usr/include/x86_64-linux-gnu/qt6/QtSql -g -O2 -ffile-prefix-map=/build/reproducible-path/qlogo-0.961=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -Wdate-time -D_FORTIFY_SOURCE=2 -std=gnu++17 -MD -MT qlogo/CMakeFiles/qlogo.dir/workspace/procedures.cpp.o -MF CMakeFiles/qlogo.dir/workspace/procedures.cpp.o.d -o CMakeFiles/qlogo.dir/workspace/procedures.cpp.o -c /build/reproducible-path/qlogo-0.961/qlogo/workspace/procedures.cpp [ 90%] Building CXX object qlogo/CMakeFiles/qlogo.dir/workspace/propertylists.cpp.o cd /build/reproducible-path/qlogo-0.961/obj-x86_64-linux-gnu/qlogo && /usr/bin/c++ -DLOGOPLATFORM=\"UNIX\" -DLOGOVERSION=\"0.961\" -DQT_CORE_LIB -DQT_GUI_LIB -DQT_NO_DEBUG -DQT_SQL_LIB -DQT_WIDGETS_LIB -I/build/reproducible-path/qlogo-0.961/obj-x86_64-linux-gnu/qlogo -I/build/reproducible-path/qlogo-0.961/qlogo -I/build/reproducible-path/qlogo-0.961/obj-x86_64-linux-gnu/qlogo/qlogo_autogen/include -I/build/reproducible-path/qlogo-0.961/include -isystem /usr/include/x86_64-linux-gnu/qt6/QtCore -isystem /usr/include/x86_64-linux-gnu/qt6 -isystem /usr/lib/x86_64-linux-gnu/qt6/mkspecs/linux-g++ -isystem /usr/include/x86_64-linux-gnu/qt6/QtWidgets -isystem /usr/include/x86_64-linux-gnu/qt6/QtGui -isystem /usr/include/x86_64-linux-gnu/qt6/QtSql -g -O2 -ffile-prefix-map=/build/reproducible-path/qlogo-0.961=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -Wdate-time -D_FORTIFY_SOURCE=2 -std=gnu++17 -MD -MT qlogo/CMakeFiles/qlogo.dir/workspace/propertylists.cpp.o -MF CMakeFiles/qlogo.dir/workspace/propertylists.cpp.o.d -o CMakeFiles/qlogo.dir/workspace/propertylists.cpp.o -c /build/reproducible-path/qlogo-0.961/qlogo/workspace/propertylists.cpp [ 92%] Building CXX object qlogo/CMakeFiles/qlogo.dir/workspace/workspace.cpp.o cd /build/reproducible-path/qlogo-0.961/obj-x86_64-linux-gnu/qlogo && /usr/bin/c++ -DLOGOPLATFORM=\"UNIX\" -DLOGOVERSION=\"0.961\" -DQT_CORE_LIB -DQT_GUI_LIB -DQT_NO_DEBUG -DQT_SQL_LIB -DQT_WIDGETS_LIB -I/build/reproducible-path/qlogo-0.961/obj-x86_64-linux-gnu/qlogo -I/build/reproducible-path/qlogo-0.961/qlogo -I/build/reproducible-path/qlogo-0.961/obj-x86_64-linux-gnu/qlogo/qlogo_autogen/include -I/build/reproducible-path/qlogo-0.961/include -isystem /usr/include/x86_64-linux-gnu/qt6/QtCore -isystem /usr/include/x86_64-linux-gnu/qt6 -isystem /usr/lib/x86_64-linux-gnu/qt6/mkspecs/linux-g++ -isystem /usr/include/x86_64-linux-gnu/qt6/QtWidgets -isystem /usr/include/x86_64-linux-gnu/qt6/QtGui -isystem /usr/include/x86_64-linux-gnu/qt6/QtSql -g -O2 -ffile-prefix-map=/build/reproducible-path/qlogo-0.961=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -Wdate-time -D_FORTIFY_SOURCE=2 -std=gnu++17 -MD -MT qlogo/CMakeFiles/qlogo.dir/workspace/workspace.cpp.o -MF CMakeFiles/qlogo.dir/workspace/workspace.cpp.o.d -o CMakeFiles/qlogo.dir/workspace/workspace.cpp.o -c /build/reproducible-path/qlogo-0.961/qlogo/workspace/workspace.cpp [ 95%] Linking CXX executable qlogo cd /build/reproducible-path/qlogo-0.961/obj-x86_64-linux-gnu/qlogo && /usr/bin/cmake -E cmake_link_script CMakeFiles/qlogo.dir/link.txt --verbose=1 /usr/bin/ld: CMakeFiles/qlogo.dir/controller/inputqueue.cpp.o:(.rodata+0x0): multiple definition of `QtPrivate::IsFloatType_v<_Float16>'; CMakeFiles/qlogo.dir/qlogo_autogen/mocs_compilation.cpp.o:(.rodata+0x19c): first defined here /usr/bin/ld: CMakeFiles/qlogo.dir/controller/logocontroller.cpp.o:(.rodata+0x0): multiple definition of `QtPrivate::IsFloatType_v<_Float16>'; CMakeFiles/qlogo.dir/qlogo_autogen/mocs_compilation.cpp.o:(.rodata+0x19c): first defined here /usr/bin/ld: CMakeFiles/qlogo.dir/controller/logocontrollergui.cpp.o:(.rodata+0xb0): multiple definition of 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