Dlib 19.4不会在ubuntu 16.04上使用cmake构建

这是我在构建时遇到的错误：

cmake --build . --config Release [ 23%] Built target dlib [ 23%] Linking CXX executable sqlite_ex CMakeFiles/sqlite_ex.dir/sqlite_ex.cpp.o: In function `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&) [clone .isra.60]': sqlite_ex.cpp:(.text+0x83): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' CMakeFiles/sqlite_ex.dir/sqlite_ex.cpp.o: In function `table_exists(dlib::database&, std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&)': sqlite_ex.cpp:(.text+0x10a): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::reserve(unsigned long)' sqlite_ex.cpp:(.text+0x137): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_append(char const*, unsigned long)' sqlite_ex.cpp:(.text+0x148): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_append(char const*, unsigned long)' sqlite_ex.cpp:(.text+0x171): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_append(char const*, unsigned long)' sqlite_ex.cpp:(.text+0x3bc): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' sqlite_ex.cpp:(.text+0x4d4): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' sqlite_ex.cpp:(.text+0x51e): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' sqlite_ex.cpp:(.text+0x5c1): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' sqlite_ex.cpp:(.text+0x6fc): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' CMakeFiles/sqlite_ex.dir/sqlite_ex.cpp.o:sqlite_ex.cpp:(.text+0x73c): more undefined references to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' follow CMakeFiles/sqlite_ex.dir/sqlite_ex.cpp.o: In function `dlib::randm(long, long)': sqlite_ex.cpp:(.text._ZN4dlib5randmEll[_ZN4dlib5randmEll]+0xd3): undefined reference to `__cxa_throw_bad_array_new_length' CMakeFiles/sqlite_ex.dir/sqlite_ex.cpp.o: In function `std::__cxx11::basic_string<char, std::char_traits, std::allocator > std::operator+<char, std::char_traits, std::allocator >(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&, char const*)': sqlite_ex.cpp:(.text._ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_PKS5_[_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_PKS5_]+0xa1): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_append(char const*, unsigned long)' sqlite_ex.cpp:(.text._ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_PKS5_[_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_PKS5_]+0xd1): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' CMakeFiles/sqlite_ex.dir/sqlite_ex.cpp.o: In function `std::__cxx11::basic_string<char, std::char_traits, std::allocator > std::operator+<char, std::char_traits, std::allocator >(char const*, std::__cxx11::basic_string<char, std::char_traits, std::allocator >&&)': sqlite_ex.cpp:(.text._ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_OS8_[_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_OS8_]+0x23): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_replace(unsigned long, unsigned long, char const*, unsigned long)' CMakeFiles/sqlite_ex.dir/sqlite_ex.cpp.o: In function `std::__cxx11::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf()': sqlite_ex.cpp:(.text._ZNSt7__cxx1115basic_stringbufIcSt11char_traitsIcESaIcEED2Ev[_ZNSt7__cxx1115basic_stringbufIcSt11char_traitsIcESaIcEED5Ev]+0x7): undefined reference to `vtable for std::__cxx11::basic_stringbuf<char, std::char_traits, std::allocator >' CMakeFiles/sqlite_ex.dir/sqlite_ex.cpp.o: In function `std::__cxx11::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf()': sqlite_ex.cpp:(.text._ZNSt7__cxx1115basic_stringbufIcSt11char_traitsIcESaIcEED0Ev[_ZNSt7__cxx1115basic_stringbufIcSt11char_traitsIcESaIcEED5Ev]+0x7): undefined reference to `vtable for std::__cxx11::basic_stringbuf<char, std::char_traits, std::allocator >' CMakeFiles/sqlite_ex.dir/sqlite_ex.cpp.o: In function `dlib::statement::statement(dlib::database&, std::__cxx11::basic_string<char, std::char_traits, std::allocator >)': sqlite_ex.cpp:(.text._ZN4dlib9statementC2ERNS_8databaseENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE[_ZN4dlib9statementC5ERNS_8databaseENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE]+0xfc): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' CMakeFiles/sqlite_ex.dir/sqlite_ex.cpp.o: In function `dlib::database::exec(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&)': sqlite_ex.cpp:(.text._ZN4dlib8database4execERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE[_ZN4dlib8database4execERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE]+0x1ef): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' sqlite_ex.cpp:(.text._ZN4dlib8database4execERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE[_ZN4dlib8database4execERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE]+0x2fd): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' sqlite_ex.cpp:(.text._ZN4dlib8database4execERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE[_ZN4dlib8database4execERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE]+0x344): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' sqlite_ex.cpp:(.text._ZN4dlib8database4execERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE[_ZN4dlib8database4execERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE]+0x3e9): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' CMakeFiles/sqlite_ex.dir/sqlite_ex.cpp.o:sqlite_ex.cpp:(.text._ZN4dlib8database4execERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE[_ZN4dlib8database4execERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE]+0x52c): more undefined references to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' follow CMakeFiles/sqlite_ex.dir/sqlite_ex.cpp.o: In function `dlib::matrix<double, 0l, 0l, dlib::memory_manager_stateless_kernel_1, dlib::row_major_layout>::operator=(dlib::matrix<double, 0l, 0l, dlib::memory_manager_stateless_kernel_1, dlib::row_major_layout> const&)': sqlite_ex.cpp:(.text._ZN4dlib6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEaSERKS4_[_ZN4dlib6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEaSERKS4_]+0x17a): undefined reference to `__cxa_throw_bad_array_new_length' CMakeFiles/sqlite_ex.dir/sqlite_ex.cpp.o: In function `std::ostream& dlib::operator<< <dlib::matrix<double, 0l, 0l, dlib::memory_manager_stateless_kernel_1, dlib::row_major_layout> >(std::ostream&, dlib::matrix_exp<dlib::matrix<double, 0l, 0l, dlib::memory_manager_stateless_kernel_1, dlib::row_major_layout> > const&)': sqlite_ex.cpp:(.text._ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE[_ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE]+0x4d): undefined reference to `VTT for std::__cxx11::basic_ostringstream<char, std::char_traits, std::allocator >' sqlite_ex.cpp:(.text._ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE[_ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE]+0x9e): undefined reference to `VTT for std::__cxx11::basic_ostringstream<char, std::char_traits, std::allocator >' sqlite_ex.cpp:(.text._ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE[_ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE]+0xde): undefined reference to `vtable for std::__cxx11::basic_ostringstream<char, std::char_traits, std::allocator >' sqlite_ex.cpp:(.text._ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE[_ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE]+0xea): undefined reference to `vtable for std::__cxx11::basic_ostringstream<char, std::char_traits, std::allocator >' sqlite_ex.cpp:(.text._ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE[_ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE]+0x15f): undefined reference to `vtable for std::__cxx11::basic_stringbuf<char, std::char_traits, std::allocator >' sqlite_ex.cpp:(.text._ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE[_ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE]+0x3b0): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_replace(unsigned long, unsigned long, char const*, unsigned long)' sqlite_ex.cpp:(.text._ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE[_ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE]+0x3de): undefined reference to `std::__cxx11::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned long, unsigned long)' sqlite_ex.cpp:(.text._ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE[_ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE]+0x56b): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_assign(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&)' sqlite_ex.cpp:(.text._ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE[_ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE]+0x58d): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' sqlite_ex.cpp:(.text._ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE[_ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE]+0x5c9): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_assign(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&)' sqlite_ex.cpp:(.text._ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE[_ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE]+0x5eb): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' sqlite_ex.cpp:(.text._ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE[_ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE]+0x672): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_assign(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&)' sqlite_ex.cpp:(.text._ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE[_ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE]+0x719): undefined reference to `vtable for std::__cxx11::basic_ostringstream<char, std::char_traits, std::allocator >' sqlite_ex.cpp:(.text._ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE[_ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE]+0x725): undefined reference to `vtable for std::__cxx11::basic_ostringstream<char, std::char_traits, std::allocator >' sqlite_ex.cpp:(.text._ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE[_ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE]+0x731): undefined reference to `vtable for std::__cxx11::basic_stringbuf<char, std::char_traits, std::allocator >' sqlite_ex.cpp:(.text._ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE[_ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE]+0x768): undefined reference to `VTT for std::__cxx11::basic_ostringstream<char, std::char_traits, std::allocator >' sqlite_ex.cpp:(.text._ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE[_ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE]+0x76f): undefined reference to `VTT for std::__cxx11::basic_ostringstream<char, std::char_traits, std::allocator >' sqlite_ex.cpp:(.text._ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE[_ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE]+0x7ef): undefined reference to `std::__cxx11::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()' sqlite_ex.cpp:(.text._ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE[_ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE]+0x813): undefined reference to `VTT for std::__cxx11::basic_ostringstream<char, std::char_traits, std::allocator >' sqlite_ex.cpp:(.text._ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE[_ZN4dliblsINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEERSoS6_RKNS_10matrix_expIT_EE]+0x81a): undefined reference to `VTT for std::__cxx11::basic_ostringstream<char, std::char_traits, std::allocator >' CMakeFiles/sqlite_ex.dir/sqlite_ex.cpp.o: In function `void dlib::statement::bind_object<dlib::matrix<double, 0l, 0l, dlib::memory_manager_stateless_kernel_1, dlib::row_major_layout> >(unsigned long, dlib::matrix<double, 0l, 0l, dlib::memory_manager_stateless_kernel_1, dlib::row_major_layout> const&)': sqlite_ex.cpp:(.text._ZN4dlib9statement11bind_objectINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEEvmRKT_[_ZN4dlib9statement11bind_objectINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEEvmRKT_]+0x4a): undefined reference to `VTT for std::__cxx11::basic_ostringstream<char, std::char_traits, std::allocator >' sqlite_ex.cpp:(.text._ZN4dlib9statement11bind_objectINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEEvmRKT_[_ZN4dlib9statement11bind_objectINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEEvmRKT_]+0x5c): undefined reference to `VTT for std::__cxx11::basic_ostringstream<char, std::char_traits, std::allocator >' sqlite_ex.cpp:(.text._ZN4dlib9statement11bind_objectINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEEvmRKT_[_ZN4dlib9statement11bind_objectINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEEvmRKT_]+0xd2): undefined reference to `vtable for std::__cxx11::basic_ostringstream<char, std::char_traits, std::allocator >' sqlite_ex.cpp:(.text._ZN4dlib9statement11bind_objectINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEEvmRKT_[_ZN4dlib9statement11bind_objectINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEEvmRKT_]+0xde): undefined reference to `vtable for std::__cxx11::basic_ostringstream<char, std::char_traits, std::allocator >' sqlite_ex.cpp:(.text._ZN4dlib9statement11bind_objectINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEEvmRKT_[_ZN4dlib9statement11bind_objectINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEEvmRKT_]+0x14f): undefined reference to `vtable for std::__cxx11::basic_stringbuf<char, std::char_traits, std::allocator >' sqlite_ex.cpp:(.text._ZN4dlib9statement11bind_objectINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEEvmRKT_[_ZN4dlib9statement11bind_objectINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEEvmRKT_]+0x307): undefined reference to `vtable for std::__cxx11::basic_ostringstream<char, std::char_traits, std::allocator >' sqlite_ex.cpp:(.text._ZN4dlib9statement11bind_objectINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEEvmRKT_[_ZN4dlib9statement11bind_objectINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEEvmRKT_]+0x313): undefined reference to `vtable for std::__cxx11::basic_ostringstream<char, std::char_traits, std::allocator >' sqlite_ex.cpp: .... (.text._ZN4dlib9statement11bind_objectINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEEvmRKT_[_ZN4dlib9statement11bind_objectINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEEvmRKT_]+0x57a): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_assign(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&)' sqlite_ex.cpp:(.text._ZN4dlib9statement11bind_objectINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEEvmRKT_[_ZN4dlib9statement11bind_objectINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEEvmRKT_]+0x750): undefined reference to `std::__cxx11::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()' sqlite_ex.cpp:(.text._ZN4dlib9statement11bind_objectINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEEvmRKT_[_ZN4dlib9statement11bind_objectINS_6matrixIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEEEvmRKT_]+0x77b): undefined reference to `VTT for std::__cxx11::basic_ostringstream<char, std::char_traits, std::allocator >' CMakeFiles/sqlite_ex.dir/sqlite_ex.cpp.o: In function `void dlib::deserialize<double, 0l, 0l, dlib::memory_manager_stateless_kernel_1, dlib::row_major_layout>(dlib::matrix<double, 0l, 0l, dlib::memory_manager_stateless_kernel_1, dlib::row_major_layout>&, std::istream&)': sqlite_ex.cpp:(.text._ZN4dlib11deserializeIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEvRNS_6matrixIT_XT0_EXT1_ET2_T3_EERSi[_ZN4dlib11deserializeIdLl0ELl0ENS_33memory_manager_stateless_kernel_1IcEENS_16row_major_layoutEEEvRNS_6matrixIT_XT0_EXT1_ET2_T3_EERSi]+0xa10): undefined reference to `__cxa_throw_bad_array_new_length' CMakeFiles/sqlite_ex.dir/sqlite_ex.cpp.o: In function `main': sqlite_ex.cpp:(.text.startup+0x83): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_assign(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&)' sqlite_ex.cpp:(.text.startup+0x2af): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::assign(char const*)' sqlite_ex.cpp:(.text.startup+0x401): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' sqlite_ex.cpp:(.text.startup+0x648): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' sqlite_ex.cpp:(.text.startup+0x829): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_assign(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&)' sqlite_ex.cpp:(.text.startup+0x8fa): undefined reference to `VTT for std::__cxx11::basic_istringstream<char, std::char_traits, std::allocator >' sqlite_ex.cpp:(.text.startup+0x90c): undefined reference to `VTT for std::__cxx11::basic_istringstream<char, std::char_traits, std::allocator >' sqlite_ex.cpp:(.text.startup+0x999): undefined reference to `vtable for std::__cxx11::basic_istringstream<char, std::char_traits, std::allocator >' sqlite_ex.cpp:(.text.startup+0x9a5): undefined reference to `vtable for std::__cxx11::basic_istringstream<char, std::char_traits, std::allocator >' sqlite_ex.cpp:(.text.startup+0xa1e): undefined reference to `vtable for std::__cxx11::basic_stringbuf<char, std::char_traits, std::allocator >' sqlite_ex.cpp:(.text.startup+0xa9e): undefined reference to `std::__cxx11::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned long, unsigned long)' sqlite_ex.cpp:(.text.startup+0xaf0): undefined reference to `vtable for std::__cxx11::basic_istringstream<char, std::char_traits, std::allocator >' sqlite_ex.cpp:(.text.startup+0xafc): undefined reference to `vtable for std::__cxx11::basic_istringstream<char, std::char_traits, std::allocator >' sqlite_ex.cpp:(.text.startup+0xb08): undefined reference to `vtable for std::__cxx11::basic_stringbuf<char, std::char_traits, std::allocator >' sqlite_ex.cpp:(.text.startup+0xb33): undefined reference to `VTT for std::__cxx11::basic_istringstream<char, std::char_traits, std::allocator >' sqlite_ex.cpp:(.text.startup+0xd90): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' sqlite_ex.cpp:(.text.startup+0xddc): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' sqlite_ex.cpp:(.text.startup+0xe28): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' sqlite_ex.cpp:(.text.startup+0xf21): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' sqlite_ex.cpp:(.text.startup+0xf5d): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' CMakeFiles/sqlite_ex.dir/sqlite_ex.cpp.o:sqlite_ex.cpp:(.text.startup+0xfba): more undefined references to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' follow CMakeFiles/sqlite_ex.dir/sqlite_ex.cpp.o: In function `main': sqlite_ex.cpp:(.text.startup+0x117f): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::assign(char const*)' sqlite_ex.cpp:(.text.startup+0x122f): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::assign(char const*)' sqlite_ex.cpp:(.text.startup+0x1372): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' sqlite_ex.cpp:(.text.startup+0x15b4): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' sqlite_ex.cpp:(.text.startup+0x171c): undefined reference to `VTT for std::__cxx11::basic_istringstream<char, std::char_traits, std::allocator >' sqlite_ex.cpp:(.text.startup+0x1994): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' sqlite_ex.cpp:(.text.startup+0x1ac3): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' sqlite_ex.cpp:(.text.startup+0x1b1b): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' sqlite_ex.cpp:(.text.startup+0x1c40): undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_create(unsigned long&, unsigned long)' sqlite_ex.cpp:(.text.startup+0x2299): undefined reference to `std::__cxx11::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()' collect2: error: ld returned 1 exit status CMakeFiles/sqlite_ex.dir/build.make:104: recipe for target 'sqlite_ex' failed make[2]: *** [sqlite_ex] Error 1 CMakeFiles/Makefile2:67: recipe for target 'CMakeFiles/sqlite_ex.dir/all' failed make[1]: *** [CMakeFiles/sqlite_ex.dir/all] Error 2 Makefile:83: recipe for target 'all' failed make: *** [all] Error 2 

我在谷歌搜索错误，我得到的最接近的是c和c ++编译器是创建这个混乱的，我有版本5.4.1。 我试图降级到4.8但是cmake不会识别c ++编译器。 我花了几天时间试图解决这个问题，但我没有想法。 有人可以帮忙吗？