Created attachment 922363 [details] /tmp/portage/kde-frameworks/prison-6.12.0/temp/build.log FAILED: bin/libKF6Prison.so.6.12.0 138 : && /usr/lib/llvm/20/bin/clang++ -fPIC -O3 -pipe -ggdb3 -fno-operator-names -fno-exceptions -Wno-gnu-zero-variadic-macro- arguments -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 -pedantic -Wzero-as-null- pointer-constant -fdiagnostics-color=always -Wl,--no-undefined -Wl,--enable-new-dtags -O3 -pipe -Wl,-O1 -Wl,--as-needed -Wl,- z,pack-relative-relocs -Wl,--as-needed -Wl,-O1 -Wl,--as-needed -Wl,--undefined-version -Wl,-Bsymbolic-functions -shared -Wl,- soname,libKF6Prison.so.6 -o bin/libKF6Prison.so.6.12.0 src/lib/CMakeFiles/KF6Prison.dir/KF6Prison_autogen/mocs_compilation. cpp.o src/lib/CMakeFiles/KF6Prison.dir/abstractbarcode_p.cpp.o src/lib/CMakeFiles/KF6Prison.dir/aztecbarcode.cpp.o src/lib/ CMakeFiles/KF6Prison.dir/barcode.cpp.o src/lib/CMakeFiles/KF6Prison.dir/barcodeutil.cpp.o src/lib/CMakeFiles/KF6Prison.dir/ bitvector.cpp.o src/lib/CMakeFiles/KF6Prison.dir/code128barcode.cpp.o src/lib/CMakeFiles/KF6Prison.dir/code39barcode.cpp.o src/lib/CMakeFiles/KF6Prison.dir/code93barcode.cpp.o src/lib/CMakeFiles/KF6Prison.dir/mecard.cpp.o src/lib/CMakeFiles/ KF6Prison.dir/qrcodebarcode.cpp.o src/lib/CMakeFiles/KF6Prison.dir/reedsolomon.cpp.o src/lib/CMakeFiles/KF6Prison.dir/ datamatrixbarcode.cpp.o src/lib/CMakeFiles/KF6Prison.dir/pdf417barcode.cpp.o src/lib/CMakeFiles/KF6Prison.dir/zxingutil.cpp.o src/lib/CMakeFiles/KF6Prison.dir/prison_debug.cpp.o /usr/lib64/libQt6Gui.so.6.8.2 /usr/lib64/libqrencode.so /usr/lib64/ libdmtx.so /usr/lib64/libZXing.so.2.3.0 /usr/lib64/libGLX.so /usr/lib64/libOpenGL.so /usr/lib64/libQt6Core.so.6.8.2 && : 139 ld.lld: error: undefined symbol: ZXing::MultiFormatWriter::encode(std::__1::basic_string<wchar_t, std::__1:: char_traits<wchar_t>, std::__1::allocator<wchar_t>> const&, int, int) const 140 >>> referenced by zxingonedbarcode_p.h:34 (/mnt/data/tmp/portage/kde-frameworks/prison-6.12.0/work/prison-6.12.0/src/lib/ zxingonedbarcode_p.h:34) 141 >>> src/lib/CMakeFiles/KF6Prison.dir/barcode.cpp.o:(Prison::ZXingOneDBarcode<(ZXing::BarcodeFormat)512>:: paintImage()) 142 >>> referenced by pdf417barcode.cpp:32 (/mnt/data/tmp/portage/kde-frameworks/prison-6.12.0/work/prison-6.12.0/src/lib/ pdf417barcode.cpp:32) 143 >>> src/lib/CMakeFiles/KF6Prison.dir/pdf417barcode.cpp.o:(Prison::Pdf417Barcode::paintImage()) 144 clang++: error: linker command failed with exit code 1 (use -v to see invocation)
Portage 3.0.67 (python 3.13.2-final-0, default/linux/amd64/23.0/split-usr/llvm, gcc-14, glibc-2.41-r1, 6.13.7-gentoo-dist x86_64) ================================================================= System uname: Linux-6.13.7-gentoo-dist-x86_64-Intel-R-_Xeon-R-_CPU_E5-2696_v4_@_2.20GHz-with-glibc2.41 KiB Mem: 131737280 total, 10681204 free KiB Swap: 69206012 total, 66899080 free Timestamp of repository gentoo: Mon, 24 Mar 2025 11:50:17 +0000 Head commit of repository gentoo: cde233463bf56165c524d5b364229f11908a00f2 Timestamp of repository benzene-overlay: Mon, 24 Mar 2025 07:54:28 +0000 Head commit of repository benzene-overlay: 4257b91974385d4926e1b1ee615502643e73b1c9 Timestamp of repository gentoo-zh: Mon, 24 Mar 2025 11:20:13 +0000 Head commit of repository gentoo-zh: 450e7c0a1222be9e68f4849e2400b5cdcfe49441 Timestamp of repository guru: Mon, 24 Mar 2025 10:05:15 +0000 Head commit of repository guru: f6c723bc8c4887177cf82e651eea01434316eddb Timestamp of repository tatsh-overlay: Mon, 24 Mar 2025 10:05:14 +0000 Head commit of repository tatsh-overlay: 38d62cd7dae3f45afbabe1a4b3ddf2ad308aa25b sh bash 5.2_p37 ld GNU ld (Gentoo 2.43 p3) 2.43.1 ccache version 4.10.2 [disabled] app-misc/pax-utils: 1.3.8::gentoo app-shells/bash: 5.2_p37::gentoo dev-build/autoconf: 2.72-r1::gentoo dev-build/automake: 1.16.5-r2::gentoo, 1.17-r2::gentoo dev-build/cmake: 3.31.6-r1::gentoo dev-build/libtool: 2.5.4::gentoo dev-build/make: 4.4.1-r100::gentoo dev-build/meson: 1.7.0::gentoo dev-java/java-config: 2.3.4::gentoo dev-lang/perl: 5.40.1::gentoo dev-lang/python: 3.11.11_p2::gentoo, 3.12.9::gentoo, 3.13.2::gentoo dev-lang/rust-bin: 1.82.0-r100::gentoo, 1.83.0::gentoo, 1.84.0::gentoo, 1.84.1::gentoo, 1.85.0-r1::gentoo, 1.85.1::gentoo dev-util/ccache: 4.10.2::gentoo llvm-core/clang: 17.0.6::gentoo, 18.1.8-r6::gentoo, 19.1.7::gentoo, 20.1.1::gentoo llvm-core/lld: 18.1.8::gentoo, 19.1.7::gentoo, 20.1.1::gentoo llvm-core/llvm: 17.0.6-r3::gentoo, 18.1.8-r6::gentoo, 19.1.7::gentoo, 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☁ build [master] nm -D core/libZXing.so.2.3.0 | grep MultiFormatWriter 000000000009f3f0 T ZXing::MultiFormatWriter::encode(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, int, int) const 000000000009eee0 T ZXing::MultiFormatWriter::encode(std::__1::basic_string<wchar_t, std::__1::char_traits<wchar_t>, std::__1::allocator<wchar_t> > const&, int, int) const ☁ build [master] nm -D /usr/lib64/libZXing.so | grep MultiFormatWriter 000000000004d200 T ZXing::MultiFormatWriter::encode(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, int, int) const 000000000004cde0 T ZXing::MultiFormatWriter::encode(std::__cxx11::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > const&, int, int) const symbol: ZXing::MultiFormatWriter::encode(std::__1::basic_string<wchar_t, std::__1::char_traits<wchar_t>, std::__1::allocator<wchar_t>> const&, int, int) const i compile the libZXing into core/libZXing, the encode fuction's 1st argv is in namespace "std::__1::basic_string" , and gentoo's built is "std::__cxx11::basic_string", so ld.lld can't recognize.
(In reply to random from comment #2) > > i compile the libZXing into core/libZXing, the encode fuction's 1st argv is > in namespace "std::__1::basic_string" , and gentoo's built is > "std::__cxx11::basic_string", so ld.lld can't recognize. That looks like you've built it with gcc or something (or clang not using libc++)?
(In reply to Sam James from comment #3) > (In reply to random from comment #2) > > > > i compile the libZXing into core/libZXing, the encode fuction's 1st argv is > > in namespace "std::__1::basic_string" , and gentoo's built is > > "std::__cxx11::basic_string", so ld.lld can't recognize. > > That looks like you've built it with gcc or something (or clang not using > libc++)? I think this really needs some more context. How did you build the one manually? Our ebuild doesn't do anything like force libstdc++, so I don't really see how it could be that. It seems most likely that e.g. when you built manually, it picked up GCC?
Need the build.log from building zxing-cpp via the ebuild (and ideally one from building manually).
