iOS--错误集锦--"vtablefor__cxxabiv1::__si_class_type_info",referencedfrom:

错误日志

Undefined symbols for architecture arm64:

  "vtable for __cxxabiv1::__si_class_type_info", referenced from:

      typeinfo for Kernel in libTalkingData.a(svm.o)

      typeinfo for Solver_NU in libTalkingData.a(svm.o)

  NOTE: a missing vtable usually means the first non-inline virtual member function has no definition.

  "___cxa_pure_virtual", referenced from:

      vtable for Kernel in libTalkingData.a(svm.o)

  "vtable for __cxxabiv1::__class_type_info", referenced from:

      typeinfo for QMatrix in libTalkingData.a(svm.o)

      typeinfo for Solver in libTalkingData.a(svm.o)

  NOTE: a missing vtable usually means the first non-inline virtual member function has no definition.

  "operator delete(void*)", referenced from:

      Kernel::~Kernel() in libTalkingData.a(svm.o)

      Solver::~Solver() in libTalkingData.a(svm.o)

      Solver_NU::~Solver_NU() in libTalkingData.a(svm.o)

  "operator delete[](void*)", referenced from:

      Kernel::~Kernel() in libTalkingData.a(svm.o)

      Solver::Solve(int, QMatrix const&, double const*, signed char const*, double*, double, double, double, Solver::SolutionInfo*, int) in libTalkingData.a(svm.o)

  "operator new[](unsigned long)", referenced from:

      Kernel::Kernel(int, svm_node* const*, svm_parameter const&) in libTalkingData.a(svm.o)

      Solver::Solve(int, QMatrix const&, double const*, signed char const*, double*, double, double, double, Solver::SolutionInfo*, int) in libTalkingData.a(svm.o)

ld: symbol(s) not found for architecture arm64

clang: error: linker command failed with exit code 1 (use -v to see invocation)