Created attachment 923582 [details] build.log ninja: build stopped: subcommand failed. * ERROR: media-libs/opencv-4.10.0::gentoo failed (compile phase): * ninja -v -j8 -l9 failed * * Call stack: * ebuild.sh, line 136: Called src_compile * environment, line 5320: Called cmake-multilib_src_compile * environment, line 1219: Called multilib-minimal_src_compile * environment, line 3932: Called multilib_foreach_abi 'multilib-minimal_abi_src_compile' * environment, line 4199: Called multibuild_foreach_variant '_multilib_multibuild_wrapper' 'multilib-minimal_abi_src_compile' * environment, line 3892: Called _multibuild_run '_multilib_multibuild_wrapper' 'multilib-minimal_abi_src_compile' * environment, line 3890: Called _multilib_multibuild_wrapper 'multilib-minimal_abi_src_compile' * environment, line 464: Called multilib-minimal_abi_src_compile * environment, line 3926: Called multilib_src_compile * environment, line 4422: Called cmake_src_compile * environment, line 1337: Called cmake_build * environment, line 1304: Called eninja * environment, line 1951: Called die * The specific snippet of code: * "$@" || die -n "${*} failed" * * If you need support, post the output of `emerge --info '=media-libs/opencv-4.10.0::gentoo'`, * the complete build log and the output of `emerge -pqv '=media-libs/opencv-4.10.0::gentoo'`. !!! When you file a bug report, please include the following information: GENTOO_VM= CLASSPATH="" JAVA_HOME="" JAVACFLAGS="" COMPILER="" and of course, the output of emerge --info =media-libs/opencv-4.10.0 * The complete build log is located at '/var/tmp/portage/media-libs/opencv-4.10.0/temp/build.log'. * The ebuild environment file is located at '/var/tmp/portage/media-libs/opencv-4.10.0/temp/environment'. * Working directory: '/var/tmp/portage/media-libs/opencv-4.10.0/work/opencv-4.10.0_build-abi_x86_64.amd64' * S: '/var/tmp/portage/media-libs/opencv-4.10.0/work/opencv-4.10.0'
``` FAILED: modules/dnn/CMakeFiles/opencv_dnn.dir/src/caffe/caffe_importer.cpp.o /usr/bin/x86_64-pc-linux-gnu-g++ -DCVAPI_EXPORTS -DENABLE_PLUGINS -DHAVE_PROTOBUF=1 -DOPENCV_DNN_EXTERNAL_PROTOBUF=1 -DPROTOBUF_USE_DLLS -D_USE_MATH_DEFINES -D__OPENCV_BUILD=1 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/var/tmp/portage/media-libs/opencv-4.10.0/work/opencv-4.10.0/modules/dnn/include -I/var/tmp/portage/media-libs/opencv-4.10.0/work/opencv-4.10.0_build-abi_x86_64.amd64/modules/dnn -I/var/tmp/portage/media-libs/opencv-4.10.0/work/opencv-4.10.0/modules/core/include -I/var/tmp/portage/media-libs/opencv-4.10.0/work/opencv-4.10.0/modules/imgproc/include -isystem /var/tmp/portage/media-libs/opencv-4.10.0/work/opencv-4.10.0_build-abi_x86_64.amd64 -isystem /usr/include/eigen3 -march=native -O2 -pipe -fsigned-char -W -Wall -Wreturn-type -Wnon-virtual-dtor -Waddress -Wsequence-point -Wformat -Wformat-security -Wundef -Winit-self -Wpointer-arith -Wsign-promo -Wuninitialized -Wsuggest-override -Wno-delete-non-virtual-dtor -Wno-comment -Wimplicit-fallthrough=3 -Wno-strict-overflow -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -msse -msse2 -msse3 -mssse3 -msse4.1 -mpopcnt -msse4.2 -mf16c -mfma -mavx -mavx2 -fvisibility=hidden -fvisibility-inlines-hidden -fopenmp -Wno-deprecated -Wno-missing-declarations -Wno-shadow -Wno-unused-parameter -Wno-sign-compare -Wno-invalid-offsetof -std=c++17 -fPIC -MD -MT modules/dnn/CMakeFiles/opencv_dnn.dir/src/caffe/caffe_importer.cpp.o -MF modules/dnn/CMakeFiles/opencv_dnn.dir/src/caffe/caffe_importer.cpp.o.d -o modules/dnn/CMakeFiles/opencv_dnn.dir/src/caffe/caffe_importer.cpp.o -c /var/tmp/portage/media-libs/opencv-4.10.0/work/opencv-4.10.0/modules/dnn/src/caffe/caffe_importer.cpp /var/tmp/portage/media-libs/opencv-4.10.0/work/opencv-4.10.0/modules/dnn/src/caffe/caffe_importer.cpp: In member function ‘void cv::dnn::dnn4_v20240521::{anonymous}::CaffeImporter::extractCustomParams(const google::protobuf::UnknownFieldSet&, cv::dnn::dnn4_v20240521::LayerParams&)’: /var/tmp/portage/media-libs/opencv-4.10.0/work/opencv-4.10.0/modules/dnn/src/caffe/caffe_importer.cpp:129:76: error: conversion from ‘google::protobuf::internal::UFSStringView’ {aka ‘std::basic_string_view<char>’} to non-scalar type ‘std::string’ {aka ‘std::__cxx11::basic_string<char>’} requested 129 | std::string fieldName = field.group().field(0).length_delimited(); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~ /var/tmp/portage/media-libs/opencv-4.10.0/work/opencv-4.10.0/modules/dnn/src/caffe/caffe_importer.cpp:130:77: error: conversion from ‘google::protobuf::internal::UFSStringView’ {aka ‘std::basic_string_view<char>’} to non-scalar type ‘std::string’ {aka ‘std::__cxx11::basic_string<char>’} requested 130 | std::string fieldValue = field.group().field(1).length_delimited(); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~ /var/tmp/portage/media-libs/opencv-4.10.0/work/opencv-4.10.0/modules/dnn/src/caffe/caffe_importer.cpp: In member function ‘void cv::dnn::dnn4_v20240521::{anonymous}::CaffeImporter::addParam(const google::protobuf::Message&, const google::protobuf::FieldDescriptor*, cv::dnn::dnn4_v20240521::LayerParams&)’: /var/tmp/portage/media-libs/opencv-4.10.0/work/opencv-4.10.0/modules/dnn/src/caffe/caffe_importer.cpp:140:46: error: invalid initialization of reference of type ‘const std::string&’ {aka ‘const std::__cxx11::basic_string<char>&’} from expression of type ‘google::protobuf::internal::DescriptorStringView’ {aka ‘std::basic_string_view<char>’} 140 | const std::string &name = field->name(); | ~~~~~~~~~~~^~ /var/tmp/portage/media-libs/opencv-4.10.0/work/opencv-4.10.0/modules/dnn/src/caffe/caffe_importer.cpp: In member function ‘void cv::dnn::dnn4_v20240521::{anonymous}::CaffeImporter::extractLayerParams(const google::protobuf::Message&, cv::dnn::dnn4_v20240521::LayerParams&, bool)’: /var/tmp/portage/media-libs/opencv-4.10.0/work/opencv-4.10.0/modules/dnn/src/caffe/caffe_importer.cpp:215:57: error: cannot convert ‘google::protobuf::internal::DescriptorStringView’ {aka ‘std::basic_string_view<char>’} to ‘const std::string&’ {aka ‘const std::__cxx11::basic_string<char>&’} 215 | if (!isInternal && !ends_with_param(fd->name())) | ~~~~~~~~^~ | | | google::protobuf::internal::DescriptorStringView {aka std::basic_string_view<char>} /var/tmp/portage/media-libs/opencv-4.10.0/work/opencv-4.10.0/modules/dnn/src/caffe/caffe_importer.cpp:200:59: note: initializing argument 1 of ‘static bool cv::dnn::dnn4_v20240521::{anonymous}::CaffeImporter::ends_with_param(const std::string&)’ 200 | inline static bool ends_with_param(const std::string &str) | ~~~~~~~~~~~~~~~~~~~^~~ [...] ```
I have the same issue. The workaround I found is to downgrade dev-libs/protobuf from 30.2 to 29.4.
The bug has been referenced in the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=d18e9a63ae313b9e82e8c6da7296c69c9e7de909 commit d18e9a63ae313b9e82e8c6da7296c69c9e7de909 Author: Sam James <sam@gentoo.org> AuthorDate: 2025-04-05 08:50:41 +0000 Commit: Sam James <sam@gentoo.org> CommitDate: 2025-04-05 08:50:59 +0000 profiles: mask new protobuf/abseil Bug: https://bugs.gentoo.org/953138 Bug: https://bugs.gentoo.org/953140 Bug: https://bugs.gentoo.org/953141 Signed-off-by: Sam James <sam@gentoo.org> profiles/package.mask | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
Without having tested yet, it looks like this commit in opencv-4.11.0 should fix it: https://github.com/opencv/opencv/commit/1db93911aeb65599f22db47d5d39f75bc94a821d
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=fa97013dd5f071397f10d9a0762417e800723440 commit fa97013dd5f071397f10d9a0762417e800723440 Author: Paul Zander <negril.nx+gentoo@gmail.com> AuthorDate: 2025-04-06 18:56:50 +0000 Commit: Sam James <sam@gentoo.org> CommitDate: 2025-04-11 09:47:06 +0000 media-libs/opencv: support protobuf-30 Closes: https://bugs.gentoo.org/953138 Signed-off-by: Paul Zander <negril.nx+gentoo@gmail.com> Signed-off-by: Sam James <sam@gentoo.org> media-libs/opencv/Manifest | 1 + media-libs/opencv/opencv-4.10.0.ebuild | 3 +++ 2 files changed, 4 insertions(+)
