[Pkg-electronics-devel] Bug#1097264: librepcb: ftbfs with GCC-15

[Matthias Klose]

Package: src:librepcb
Version: 1.2.0+dfsg-1
Severity: important
Tags: sid forky
User: debian-gcc at 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/librepcb_1.2.0+dfsg-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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/usr/bin/ld: ../../libs/librepcb/core/liblibrepcb_core.a(netline.cpp.o):(.rodata+0x0): multiple definition of `QtPrivate::IsFloatType_v<_Float16>'; CMakeFiles/librepcb_cli.dir/commandlineinterface.cpp.o:(.rodata+0x26d): first defined here
/usr/bin/ld: ../../libs/librepcb/core/liblibrepcb_core.a(padgeometry.cpp.o):(.rodata+0x0): multiple definition of `QtPrivate::IsFloatType_v<_Float16>'; CMakeFiles/librepcb_cli.dir/commandlineinterface.cpp.o:(.rodata+0x26d): first defined here
/usr/bin/ld: ../../libs/librepcb/core/liblibrepcb_core.a(padhole.cpp.o):(.rodata+0x0): multiple definition of `QtPrivate::IsFloatType_v<_Float16>'; CMakeFiles/librepcb_cli.dir/commandlineinterface.cpp.o:(.rodata+0x26d): first defined here
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/usr/bin/ld: ../../libs/librepcb/core/liblibrepcb_core.a(bomoutputjob.cpp.o):(.rodata+0x0): multiple definition of `QtPrivate::IsFloatType_v<_Float16>'; CMakeFiles/librepcb_cli.dir/commandlineinterface.cpp.o:(.rodata+0x26d): first defined here
/usr/bin/ld: ../../libs/librepcb/core/liblibrepcb_core.a(copyoutputjob.cpp.o):(.rodata+0x0): multiple definition of `QtPrivate::IsFloatType_v<_Float16>'; CMakeFiles/librepcb_cli.dir/commandlineinterface.cpp.o:(.rodata+0x26d): first defined here
/usr/bin/ld: ../../libs/librepcb/core/liblibrepcb_core.a(gerberexcellonoutputjob.cpp.o):(.rodata+0x0): multiple definition of `QtPrivate::IsFloatType_v<_Float16>'; CMakeFiles/librepcb_cli.dir/commandlineinterface.cpp.o:(.rodata+0x26d): first defined here
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/usr/bin/ld: ../../libs/librepcb/core/liblibrepcb_core.a(footprint.cpp.o):(.rodata+0x0): multiple definition of `QtPrivate::IsFloatType_v<_Float16>'; CMakeFiles/librepcb_cli.dir/commandlineinterface.cpp.o:(.rodata+0x26d): first defined here
/usr/bin/ld: ../../libs/librepcb/core/liblibrepcb_core.a(footprintpad.cpp.o):(.rodata+0x48): multiple definition of `QtPrivate::IsFloatType_v<_Float16>'; CMakeFiles/librepcb_cli.dir/commandlineinterface.cpp.o:(.rodata+0x26d): first defined here
/usr/bin/ld: ../../libs/librepcb/core/liblibrepcb_core.a(boardpainter.cpp.o):(.rodata+0x0): multiple definition of `QtPrivate::IsFloatType_v<_Float16>'; CMakeFiles/librepcb_cli.dir/commandlineinterface.cpp.o:(.rodata+0x26d): first defined here
/usr/bin/ld: ../../libs/librepcb/core/liblibrepcb_core.a(boardclipperpathgenerator.cpp.o):(.rodata+0x0): multiple definition of `QtPrivate::IsFloatType_v<_Float16>'; CMakeFiles/librepcb_cli.dir/commandlineinterface.cpp.o:(.rodata+0x26d): first defined here
/usr/bin/ld: ../../libs/librepcb/core/liblibrepcb_core.a(realisticboardpainter.cpp.o):(.rodata+0x0): multiple definition of `QtPrivate::IsFloatType_v<_Float16>'; CMakeFiles/librepcb_cli.dir/commandlineinterface.cpp.o:(.rodata+0x26d): first defined here
/usr/bin/ld: ../../libs/librepcb/core/liblibrepcb_core.a(assemblyvariant.cpp.o):(.rodata+0x0): multiple definition of `QtPrivate::IsFloatType_v<_Float16>'; CMakeFiles/librepcb_cli.dir/commandlineinterface.cpp.o:(.rodata+0x26d): first defined here
/usr/bin/ld: ../../libs/librepcb/core/liblibrepcb_core.a(componentassemblyoption.cpp.o):(.rodata+0x0): multiple definition of `QtPrivate::IsFloatType_v<_Float16>'; CMakeFiles/librepcb_cli.dir/commandlineinterface.cpp.o:(.rodata+0x26d): first defined here
/usr/bin/ld: ../../libs/librepcb/core/liblibrepcb_core.a(systeminfo.cpp.o):(.rodata+0x0): multiple definition of `QtPrivate::IsFloatType_v<_Float16>'; CMakeFiles/librepcb_cli.dir/commandlineinterface.cpp.o:(.rodata+0x26d): first defined here
/usr/bin/ld: ../../libs/librepcb/core/liblibrepcb_core.a(overlinemarkupparser.cpp.o):(.rodata+0x0): multiple definition of `QtPrivate::IsFloatType_v<_Float16>'; CMakeFiles/librepcb_cli.dir/commandlineinterface.cpp.o:(.rodata+0x26d): first defined here
/usr/bin/ld: ../../libs/librepcb/core/liblibrepcb_core.a(gerberaperturelist.cpp.o):(.rodata+0x0): multiple definition of `QtPrivate::IsFloatType_v<_Float16>'; CMakeFiles/librepcb_cli.dir/commandlineinterface.cpp.o:(.rodata+0x26d): first defined here
/usr/bin/ld: ../../libs/librepcb/core/liblibrepcb_core.a(gerberattributewriter.cpp.o):(.rodata+0x0): multiple definition of `QtPrivate::IsFloatType_v<_Float16>'; CMakeFiles/librepcb_cli.dir/commandlineinterface.cpp.o:(.rodata+0x26d): first defined here
/usr/bin/ld: ../../libs/librepcb/core/liblibrepcb_core.a(zone.cpp.o):(.rodata+0x0): multiple definition of `QtPrivate::IsFloatType_v<_Float16>'; CMakeFiles/librepcb_cli.dir/commandlineinterface.cpp.o:(.rodata+0x26d): first defined here
collect2: error: ld returned 1 exit status
/usr/bin/c++ -g -O2 -ffile-prefix-map=/build/reproducible-path/librepcb-1.2.0+dfsg=. -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/librepcb_cli.dir/link.d CMakeFiles/librepcb_cli.dir/librepcb_cli_autogen/mocs_compilation.cpp.o CMakeFiles/librepcb_cli.dir/commandlineinterface.cpp.o CMakeFiles/librepcb_cli.dir/main.cpp.o -o librepcb-cli  ../../libs/librepcb/core/liblibrepcb_core.a /usr/lib/x86_64-linux-gnu/libTKDESTEP.so.7.8.1 /usr/lib/x86_64-linux-gnu/libTKDE.so.7.8.1 /usr/lib/x86_64-linux-gnu/libTKXSBase.so.7.8.1 /usr/lib/x86_64-linux-gnu/libTKXCAF.so.7.8.1 /usr/lib/x86_64-linux-gnu/libTKVCAF.so.7.8.1 /usr/lib/x86_64-linux-gnu/libTKCAF.so.7.8.1 /usr/lib/x86_64-linux-gnu/libTKLCAF.so.7.8.1 /usr/lib/x86_64-linux-gnu/libTKCDF.so.7.8.1 /usr/lib/x86_64-linux-gnu/libTKBO.so.7.8.1 /usr/lib/x86_64-linux-gnu/libTKPrim.so.7.8.1 /usr/lib/x86_64-linux-gnu/libTKV3d.so.7.8.1 /usr/lib/x86_64-linux-gnu/libTKService.so.7.8.1 -lfontconfig /usr/lib/x86_64-linux-gnu/libfreeimage.so /usr/lib/x86_64-linux-gnu/libTKMesh.so.7.8.1 /usr/lib/x86_64-linux-gnu/libTKHLR.so.7.8.1 -lGL -lX11 /usr/lib/x86_64-linux-gnu/libfreetype.so /usr/lib/x86_64-linux-gnu/libTKShHealing.so.7.8.1 /usr/lib/x86_64-linux-gnu/libTKTopAlgo.so.7.8.1 /usr/lib/x86_64-linux-gnu/libTKGeomAlgo.so.7.8.1 /usr/lib/x86_64-linux-gnu/libTKBRep.so.7.8.1 /usr/lib/x86_64-linux-gnu/libTKGeomBase.so.7.8.1 /usr/lib/x86_64-linux-gnu/libTKG3d.so.7.8.1 /usr/lib/x86_64-linux-gnu/libTKG2d.so.7.8.1 /usr/lib/x86_64-linux-gnu/libTKMath.so.7.8.1 /usr/lib/x86_64-linux-gnu/libTKernel.so.7.8.1 -lpthread -lrt -lstdc++ -ldl -ltbb -ltbbmalloc ../../libs/dxflib/libdxflib.a ../../libs/muparser/libmuparser.a /usr/lib/x86_64-linux-gnu/libquazip1-qt6.so.1.4 /usr/lib/x86_64-linux-gnu/libQt6Core5Compat.so.6.7.2 /usr/lib/x86_64-linux-gnu/libz.so /usr/lib/x86_64-linux-gnu/libbz2.so ../../libs/polyclipping/libpolyclipping.a /usr/lib/x86_64-linux-gnu/libQt6Concurrent.so.6.7.2 /usr/lib/x86_64-linux-gnu/libQt6Network.so.6.7.2 /usr/lib/x86_64-linux-gnu/libQt6PrintSupport.so.6.7.2 /usr/lib/x86_64-linux-gnu/libQt6Widgets.so.6.7.2 /usr/lib/x86_64-linux-gnu/libQt6Sql.so.6.7.2 /usr/lib/x86_64-linux-gnu/libQt6Svg.so.6.7.2 /usr/lib/x86_64-linux-gnu/libQt6Gui.so.6.7.2 /usr/lib/x86_64-linux-gnu/libGL.so /usr/lib/x86_64-linux-gnu/libQt6Core.so.6.7.2
make[3]: *** [apps/librepcb-cli/CMakeFiles/librepcb_cli.dir/build.make:178: apps/librepcb-cli/librepcb-cli] Error 1
make[3]: Leaving directory '/build/reproducible-path/librepcb-1.2.0+dfsg/obj-x86_64-linux-gnu'
make[2]: *** [CMakeFiles/Makefile2:2381: apps/librepcb-cli/CMakeFiles/librepcb_cli.dir/all] Error 2
make[2]: *** Waiting for unfinished jobs....
[ 36%] Linking CXX static library liblibrepcb_kicadimport.a
cd /build/reproducible-path/librepcb-1.2.0+dfsg/obj-x86_64-linux-gnu/libs/librepcb/kicadimport && /usr/bin/cmake -P CMakeFiles/librepcb_kicadimport.dir/cmake_clean_target.cmake
cd /build/reproducible-path/librepcb-1.2.0+dfsg/obj-x86_64-linux-gnu/libs/librepcb/kicadimport && /usr/bin/cmake -E cmake_link_script CMakeFiles/librepcb_kicadimport.dir/link.txt --verbose=1
/usr/bin/ar qc liblibrepcb_kicadimport.a CMakeFiles/librepcb_kicadimport.dir/librepcb_kicadimport_autogen/mocs_compilation.cpp.o CMakeFiles/librepcb_kicadimport.dir/kicadlibraryconverter.cpp.o CMakeFiles/librepcb_kicadimport.dir/kicadlibraryimport.cpp.o CMakeFiles/librepcb_kicadimport.dir/kicadtypeconverter.cpp.o CMakeFiles/librepcb_kicadimport.dir/kicadtypes.cpp.o
/usr/bin/ranlib liblibrepcb_kicadimport.a
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[ 36%] Built target librepcb_kicadimport
[ 36%] Linking CXX static library liblibrepcb_eagleimport.a
cd /build/reproducible-path/librepcb-1.2.0+dfsg/obj-x86_64-linux-gnu/libs/librepcb/eagleimport && /usr/bin/cmake -P CMakeFiles/librepcb_eagleimport.dir/cmake_clean_target.cmake
cd /build/reproducible-path/librepcb-1.2.0+dfsg/obj-x86_64-linux-gnu/libs/librepcb/eagleimport && /usr/bin/cmake -E cmake_link_script CMakeFiles/librepcb_eagleimport.dir/link.txt --verbose=1
/usr/bin/ar qc liblibrepcb_eagleimport.a CMakeFiles/librepcb_eagleimport.dir/librepcb_eagleimport_autogen/mocs_compilation.cpp.o CMakeFiles/librepcb_eagleimport.dir/eaglelibraryconverter.cpp.o CMakeFiles/librepcb_eagleimport.dir/eaglelibraryimport.cpp.o CMakeFiles/librepcb_eagleimport.dir/eagleprojectimport.cpp.o CMakeFiles/librepcb_eagleimport.dir/eagletypeconverter.cpp.o
/usr/bin/ranlib liblibrepcb_eagleimport.a
make[3]: Leaving directory '/build/reproducible-path/librepcb-1.2.0+dfsg/obj-x86_64-linux-gnu'
[ 36%] Built target librepcb_eagleimport
make[2]: Leaving directory '/build/reproducible-path/librepcb-1.2.0+dfsg/obj-x86_64-linux-gnu'
make[1]: *** [Makefile:139: all] Error 2
make[1]: Leaving directory '/build/reproducible-path/librepcb-1.2.0+dfsg/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:11: binary] Error 25
dpkg-buildpackage: error: debian/rules binary subprocess returned exit status 2