ngrest kyai编译报错：undefined reference to `std::__cxx11::basic_stringstream＜char, std::char_traits＜char

Posted 2023-03-03 Dontla

//usr/local/lib/libky_ai_parse_json.a(ky_ai_parse_json.o): In function `nlohmann::detail::serializer<nlohmann::basic_json<std::map, std::vector, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool, long, unsigned long, double, std::allocator, nlohmann::adl_serializer, std::vector<unsigned char, std::allocator<unsigned char> > > >::dump_escaped(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool)':
ky_ai_parse_json.cpp:(.text._ZN8nlohmann6detail10serializerINS_10basic_jsonISt3mapSt6vectorNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEblmdSaNS_14adl_serializerES4_IhSaIhEEEEE12dump_escapedERKSA_b[_ZN8nlohmann6detail10serializerINS_10basic_jsonISt3mapSt6vectorNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEblmdSaNS_14adl_serializerES4_IhSaIhEEEEE12dump_escapedERKSA_b]+0x56c): undefined reference to `std::__cxx11::basic_stringstream<char, std::char_traits<char>, std::allocator<char> >::basic_stringstream()'
ky_ai_parse_json.cpp:(.text._ZN8nlohmann6detail10serializerINS_10basic_jsonISt3mapSt6vectorNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEblmdSaNS_14adl_serializerES4_IhSaIhEEEEE12dump_escapedERKSA_b[_ZN8nlohmann6detail10serializerINS_10basic_jsonISt3mapSt6vectorNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEblmdSaNS_14adl_serializerES4_IhSaIhEEEEE12dump_escapedERKSA_b]+0xa44): undefined reference to `std::__cxx11::basic_stringstream<char, std::char_traits<char>, std::allocator<char> >::basic_stringstream()'
collect2: error: ld returned 1 exit status
make[2]: *** [deploy/share/ngrest/services/kyai.so] Error 1
make[1]: *** [kyai/CMakeFiles/kyai.dir/all] Error 2
make: *** [all] Error 2

原因：
我的静态库是在ubuntu20.04（9.4.0）上编译生成的，然后放到ubuntu18.04（gcc version 7.5.0）上被链接，编译器版本不一样，所以就报错了！