On Wed, 2021-06-23 at 08:56 -0700, Troy Dawson wrote: > I'm updating/ rebuilding KDE Plasma Desktop on CentOS Stream 8, for the > updated qt5 that is there. I am using what is in F34 for the update. > I've got all the qt5 5.15.2 and kf5 5.83.0 packages built and in the > buildroot. > For libksysguard I believe I have all other dependencies built and in the > buildroot. > But it just keeps failing, despite everything I've tried.[1][2] > I get the same error on all arches. The same error on version 5.22.1, > 5.22.2 and even 5.21.4. > I've tried passing build parameters that I thought went along with the > error, but nothing changed. > > I think this is the critical error, but it's possible I'm wrong > > CMakeFiles/processcore.dir/cgroup_data_model.cpp.o: In function > `KSysGuard::CGroupDataModel::update(KSysGuard::CGroup*) [clone > .localalias.209]': > /usr/include/c++/8/bits/fs_path.h:185: undefined reference to > `std::filesystem::__cxx11::path::_M_split_cmpts()' > CMakeFiles/processcore.dir/cgroup_data_model.cpp.o: In function > `KSysGuard::CGroupDataModel::update(KSysGuard::CGroup*) [clone > .localalias.209]': > /usr/include/c++/8/bits/fs_dir.h:371: undefined reference to > `std::filesystem::__cxx11::directory_iterator::directory_iterator(std::filesys > tem::__cxx11::path > const&, std::filesystem::directory_options, std::error_code*)' > CMakeFiles/processcore.dir/cgroup_data_model.cpp.o: In function > `KSysGuard::CGroupDataModel::update(KSysGuard::CGroup*)': > /builddir/build/BUILD/libksysguard- > 5.22.2.1/processcore/cgroup_data_model.cpp:447: > undefined reference to > `std::filesystem::__cxx11::directory_iterator::operator*() const' > /builddir/build/BUILD/libksysguard- > 5.22.2.1/processcore/cgroup_data_model.cpp:447: > undefined reference to > `std::filesystem::__cxx11::directory_iterator::operator++()' > CMakeFiles/processcore.dir/cgroup_data_model.cpp.o: In function > `KSysGuard::CGroupDataModel::update(KSysGuard::CGroup*) [clone > .localalias.209]': > /usr/include/c++/8/bits/fs_dir.h:260: undefined reference to > `std::filesystem::status(std::filesystem::__cxx11::path const&)' > collect2: error: ld returned 1 exit status std::filesystem was originally added as an experimental extension to C++, and at first required explicitly linking with -lstdc++fs. GCC 9 removed the requirement for the additional link library [1], but RHEL 8's default compiler is GCC 8. Therefore, for EPEL 8, you would have to create a patch which adds stdc++fs to the target_link_libraries of the processcore target. [1] https://gcc.gnu.org/gcc-9/changes.html HTH, -- Yaakov Selkowitz Senior Software Engineer - Platform Enablement Red Hat, Inc. _______________________________________________ epel-devel mailing list -- epel-devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to epel-devel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/epel-devel@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure
