https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97563
Bug ID: 97563 Summary: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::reserve()' Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: d...@familie-tometzki.de Target Milestone: --- Hallo together, with the actual gcc 11 master branch i got the following build error: /usr/bin/ld: libCMakeLib.a(cmWorkerPool.cxx.o): in function `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::shrink_to_fit()': /usr/include/c++/11/bits/basic_string.h:953: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::reserve()' /usr/bin/ld: /usr/include/c++/11/bits/basic_string.h:953: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::reserve()' /usr/bin/ld: /usr/include/c++/11/bits/basic_string.h:953: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::reserve()' /usr/bin/ld: /usr/include/c++/11/bits/basic_string.h:953: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::reserve()' /usr/bin/ld: /usr/include/c++/11/bits/basic_string.h:953: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::reserve()' /usr/bin/ld: libCMakeLib.a(cmWorkerPool.cxx.o):/usr/include/c++/11/bits/basic_string.h:953: more undefined references to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::reserve()' follow I think anything is wrong with the basic_string.h:953 header file the header file from gcc 10 works. best regards Damian