how to build your project?

[billtiger]

your readme file is not comment about how to build,can you share your build process?because when i compile your mtcnn.cpp file ,there are some errors: /tmp/cc7DRBwV.o：在函数‘MTCNN::GenerateBBox(caffe::Blob, caffe::Blob, float, float)’中： mtcnn.cpp:(.text+0xd93)：对‘caffe::Blob::cpu_data() const’未定义的引用 mtcnn.cpp:(.text+0xdbb)：对‘caffe::Blob::cpu_data() const’未定义的引用 /tmp/cc7DRBwV.o：在函数‘MTCNN::MTCNN(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&)’中： mtcnn.cpp:(.text+0x112d)：对‘caffe::Net::Net(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&, caffe::Phase, int, std::vector<std::__cxx11::basic_string<char, std::char_traits, std::allocator >, std::allocator<std::__cxx11::basic_string<char, std::char_traits, std::allocator > > > const*)’未定义的引用 mtcnn.cpp:(.text+0x1190)：对‘caffe::Net::CopyTrainedLayersFrom(std::__cxx11::basic_string<char, std::char_traits, std::allocator >)’未定义的引用 mtcnn.cpp:(.text+0x11ec)：对‘caffe::Net::Net(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&, caffe::Phase, int, std::vector<std::__cxx11::basic_string<char, std::char_traits, std::allocator >, std::allocator<std::__cxx11::basic_string<char, std::char_traits, std::allocator > > > const*)’未定义的引用 mtcnn.cpp:(.text+0x1257)：对‘caffe::Net::CopyTrainedLayersFrom(std::__cxx11::basic_string<char, std::char_traits, std::allocator >)’未定义的引用 mtcnn.cpp:(.text+0x12ad)：对‘caffe::Net::Net(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&, caffe::Phase, int, std::vector<std::__cxx11::basic_string<char, std::char_traits, std::allocator >, std::allocator<std::__cxx11::basic_string<char, std::char_traits, std::allocator > > > const*)’未定义的引用 mtcnn.cpp:(.text+0x130f)：对‘caffe::Net::CopyTrainedLayersFrom(std::__cxx11::basic_string<char, std::char_traits, std::allocator >)’未定义的引用 mtcnn.cpp:(.text+0x1394)：对‘google::LogMessageFatal::LogMessageFatal(char const*, int)’未定义的引用 mtcnn.cpp:(.text+0x13a8)：对‘google::LogMessage::stream()’未定义的引用 mtcnn.cpp:(.text+0x1403)：对‘google::LogMessageFatal::~LogMessageFatal()’未定义的引用 mtcnn.cpp:(.text+0x14dc)：对‘google::LogMessageFatal::~LogMessageFatal()’未定义的引用 /tmp/cc7DRBwV.o：在函数‘MTCNN::ProposalNet(cv::Mat const&, int, float, float)’中： mtcnn.cpp:(.text+0x182a)：对‘cv::resize(cv::_InputArray const&, cv::OutputArray const&, cv::Size, double, double, int)’未定义的引用 mtcnn.cpp:(.text+0x1872)：对‘caffe::Blob::Reshape(int, int, int, int)’未定义的引用 mtcnn.cpp:(.text+0x1889)：对‘caffe::Net::Reshape()’未定义的引用 mtcnn.cpp:(.text+0x1898)：对‘caffe::Blob::mutable_cpu_data()’未定义的引用 mtcnn.cpp:(.text+0x1a5e)：对‘caffe::Net::Forward(float*)’未定义的引用 mtcnn.cpp:(.text+0x1ab3)：对‘caffe::Net::blob_by_name(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&) const’未定义的引用 mtcnn.cpp:(.text+0x1b4b)：对‘caffe::Net::blob_by_name(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&) const’未定义的引用 /tmp/cc7DRBwV.o：在函数‘MTCNN::NextStage(cv::Mat const&, std::vector<FaceInfo, std::allocator<FaceInfo> >&, int, int, int, float)’中： mtcnn.cpp:(.text+0x1fa5)：对‘caffe::Blob::Reshape(int, int, int, int)’未定义的引用 mtcnn.cpp:(.text+0x1fc0)：对‘caffe::Net::Reshape()’未定义的引用 mtcnn.cpp:(.text+0x201f)：对‘caffe::Blob::Reshape(int, int, int, int)’未定义的引用 mtcnn.cpp:(.text+0x203a)：对‘caffe::Net::Reshape()’未定义的引用 mtcnn.cpp:(.text+0x204a)：对‘caffe::Blob::mutable_cpu_data()’未定义的引用 mtcnn.cpp:(.text+0x21e8)：对‘cv::resize(cv::_InputArray const&, cv::OutputArray const&, cv::Size, double, double, int)’未定义的引用 mtcnn.cpp:(.text+0x22ee)：对‘google::LogMessageFatal::LogMessageFatal(char const*, int, google::CheckOpString const&)’未定义的引用 mtcnn.cpp:(.text+0x22fd)：对‘google::LogMessage::stream()’未定义的引用 mtcnn.cpp:(.text+0x230c)：对‘google::LogMessageFatal::~LogMessageFatal()’未定义的引用 mtcnn.cpp:(.text+0x24e2)：对‘caffe::Net::Forward(float*)’未定义的引用 mtcnn.cpp:(.text+0x253b)：对‘caffe::Net::blob_by_name(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&) const’未定义的引用 mtcnn.cpp:(.text+0x25d7)：对‘caffe::Net::blob_by_name(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&) const’未定义的引用 mtcnn.cpp:(.text+0x263f)：对‘caffe::Net::Forward(float*)’未定义的引用 mtcnn.cpp:(.text+0x2698)：对‘caffe::Net::blob_by_name(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&) const’未定义的引用 mtcnn.cpp:(.text+0x2734)：对‘caffe::Net::blob_by_name(std::_cxx11::basic_string<char, std::char_traits, std::allocator > const&) const’未定义的引用 mtcnn.cpp:(.text+0x27d0)：对‘caffe::Net::blob_by_name(std::cxx11::basic_string<char, std::char_traits, std::allocator > const&) const’未定义的引用 mtcnn.cpp:(.text+0x2823)：对‘caffe::Blob::cpu_data() const’未定义的引用 mtcnn.cpp:(.text+0x2839)：对‘caffe::Blob::cpu_data() const’未定义的引用 mtcnn.cpp:(.text+0x2864)：对‘caffe::Blob::cpu_data() const’未定义的引用 mtcnn.cpp:(.text+0x2b75)：对‘google::LogMessageFatal::~LogMessageFatal()’未定义的引用 /tmp/cc7DRBwV.o：在函数‘main’中： mtcnn.cpp:(.text+0x391e)：对‘cv::imread(cv::String const&, int)’未定义的引用 mtcnn.cpp:(.text+0x3941)：对‘cv::getTickCount()’未定义的引用 mtcnn.cpp:(.text+0x399b)：对‘cv::getTickCount()’未定义的引用 mtcnn.cpp:(.text+0x39b9)：对‘cv::getTickFrequency()’未定义的引用 mtcnn.cpp:(.text+0x3c12)：对‘cv::rectangle(cv::Mat&, cv::Rect, cv::Scalar const&, int, int, int)’未定义的引用 mtcnn.cpp:(.text+0x3d6c)：对‘cv::circle(cv::InputOutputArray const&, cv::Point, int, cv::Scalar const&, int, int, int)’未定义的引用 mtcnn.cpp:(.text+0x3e4a)：对‘cv::imwrite(cv::String const&, cv::_InputArray const&, std::vector<int, std::allocator > const&)’未定义的引用 mtcnn.cpp:(.text+0x3edb)：对‘cv::imshow(cv::String const&, cv::_InputArray const&)’未定义的引用 mtcnn.cpp:(.text+0x3f03)：对‘cv::waitKey(int)’未定义的引用 /tmp/cc7DRBwV.o：在函数‘__static_initialization_and_destruction_0(int, int)’中： mtcnn.cpp:(.text+0x428b)：对‘boost::system::generic_category()’未定义的引用 mtcnn.cpp:(.text+0x4297)：对‘boost::system::generic_category()’未定义的引用 mtcnn.cpp:(.text+0x42a3)：对‘boost::system::system_category()’未定义的引用 /tmp/cc7DRBwV.o：在函数‘caffe::Caffe::set_mode(caffe::Caffe::Brew)’中： mtcnn.cpp:(.text._ZN5caffe5Caffe8set_modeENS0_4BrewE[_ZN5caffe5Caffe8set_modeENS0_4BrewE]+0xc)：对‘caffe::Caffe::Get()’未定义的引用 /tmp/cc7DRBwV.o：在函数‘cv::String::String(char const*)’中： mtcnn.cpp:(.text._ZN2cv6StringC2EPKc[_ZN2cv6StringC5EPKc]+0x4d)：对‘cv::String::allocate(unsigned long)’未定义的引用 /tmp/cc7DRBwV.o：在函数‘cv::String::~String()’中： mtcnn.cpp:(.text._ZN2cv6StringD2Ev[_ZN2cv6StringD5Ev]+0x14)：对‘cv::String::deallocate()’未定义的引用 /tmp/cc7DRBwV.o：在函数‘cv::String::operator=(cv::String const&)’中： mtcnn.cpp:(.text.ZN2cv6StringaSERKS0[ZN2cv6StringaSERKS0]+0x28)：对‘cv::String::deallocate()’未定义的引用 /tmp/cc7DRBwV.o：在函数‘cv::Mat::~Mat()’中： mtcnn.cpp:(.text._ZN2cv3MatD2Ev[_ZN2cv3MatD5Ev]+0x39)：对‘cv::fastFree(void*)’未定义的引用 /tmp/cc7DRBwV.o：在函数‘cv::Mat::clone() const’中： mtcnn.cpp:(.text._ZNK2cv3Mat5cloneEv[_ZNK2cv3Mat5cloneEv]+0x4e)：对‘cv::Mat::copyTo(cv::_OutputArray const&) const’未定义的引用 /tmp/cc7DRBwV.o：在函数‘cv::Mat::release()’中： mtcnn.cpp:(.text._ZN2cv3Mat7releaseEv[ZN2cv3Mat7releaseEv]+0x4b)：对‘cv::Mat::deallocate()’未定义的引用 /tmp/cc7DRBwV.o：在函数‘cv::Mat::operator()(cv::Rect const&) const’中： mtcnn.cpp:(.text._ZNK2cv3MatclERKNS_5Rect_IiEE[ZNK2cv3MatclERKNS_5Rect_IiEE]+0x27)：对‘cv::Mat::Mat(cv::Mat const&, cv::Rect const&)’未定义的引用 /tmp/cc7DRBwV.o：在函数‘cv::String::String(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&)’中： mtcnn.cpp:(.text._ZN2cv6StringC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE[_ZN2cv6StringC5ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE]+0x69)：对‘cv::String::allocate(unsigned long)’未定义的引用 /tmp/cc7DRBwV.o：在函数‘caffe::Blob::offset(int, int, int, int) const’中： mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0x99)：对‘google::LogMessageFatal::LogMessageFatal(char const*, int, google::CheckOpString const&)’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0xa5)：对‘google::LogMessage::stream()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0xb1)：对‘google::LogMessageFatal::~LogMessageFatal()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0x11f)：对‘google::LogMessageFatal::LogMessageFatal(char const*, int, google::CheckOpString const&)’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0x12b)：对‘google::LogMessage::stream()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0x137)：对‘google::LogMessageFatal::~LogMessageFatal()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0x1a2)：对‘google::LogMessageFatal::LogMessageFatal(char const*, int, google::CheckOpString const&)’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0x1ae)：对‘google::LogMessage::stream()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0x1ba)：对‘google::LogMessageFatal::~LogMessageFatal()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0x228)：对‘google::LogMessageFatal::LogMessageFatal(char const*, int, google::CheckOpString const&)’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0x234)：对‘google::LogMessage::stream()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0x240)：对‘google::LogMessageFatal::~LogMessageFatal()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0x2ab)：对‘google::LogMessageFatal::LogMessageFatal(char const*, int, google::CheckOpString const&)’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0x2b7)：对‘google::LogMessage::stream()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0x2c3)：对‘google::LogMessageFatal::~LogMessageFatal()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0x331)：对‘google::LogMessageFatal::LogMessageFatal(char const*, int, google::CheckOpString const&)’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0x33d)：对‘google::LogMessage::stream()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0x349)：对‘google::LogMessageFatal::~LogMessageFatal()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0x3b4)：对‘google::LogMessageFatal::LogMessageFatal(char const*, int, google::CheckOpString const&)’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0x3c0)：对‘google::LogMessage::stream()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0x3cc)：对‘google::LogMessageFatal::~LogMessageFatal()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0x43a)：对‘google::LogMessageFatal::LogMessageFatal(char const*, int, google::CheckOpString const&)’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0x446)：对‘google::LogMessage::stream()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0x452)：对‘google::LogMessageFatal::~LogMessageFatal()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0x4c9)：对‘google::LogMessageFatal::~LogMessageFatal()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0x4d5)：对‘google::LogMessageFatal::~LogMessageFatal()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0x4e1)：对‘google::LogMessageFatal::~LogMessageFatal()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0x4ed)：对‘google::LogMessageFatal::~LogMessageFatal()’未定义的引用 /tmp/cc7DRBwV.o:mtcnn.cpp:(.text._ZNK5caffe4BlobIfE6offsetEiiii[_ZNK5caffe4BlobIfE6offsetEiiii]+0x4f9): 跟着更多未定义的参考到 google::LogMessageFatal::~LogMessageFatal() /tmp/cc7DRBwV.o：在函数‘std::__cxx11::basic_string<char, std::char_traits, std::allocator >* google::MakeCheckOpString<int, int>(int const&, int const&, char const*)’中： mtcnn.cpp:(.text._ZN6google17MakeCheckOpStringIiiEEPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKT_RKT0_PKc[_ZN6google17MakeCheckOpStringIiiEEPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKT_RKT0_PKc]+0x33)：对‘google::base::CheckOpMessageBuilder::CheckOpMessageBuilder(char const*)’未定义的引用 mtcnn.cpp:(.text._ZN6google17MakeCheckOpStringIiiEEPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKT_RKT0_PKc[_ZN6google17MakeCheckOpStringIiiEEPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKT_RKT0_PKc]+0x5d)：对‘google::base::CheckOpMessageBuilder::ForVar2()’未定义的引用 mtcnn.cpp:(.text._ZN6google17MakeCheckOpStringIiiEEPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKT_RKT0_PKc[_ZN6google17MakeCheckOpStringIiiEEPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKT_RKT0_PKc]+0x7b)：对‘google::base::CheckOpMessageBuilder::NewStringabi:cxx11’未定义的引用 mtcnn.cpp:(.text._ZN6google17MakeCheckOpStringIiiEEPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKT_RKT0_PKc[_ZN6google17MakeCheckOpStringIiiEEPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKT_RKT0_PKc]+0x8a)：对‘google::base::CheckOpMessageBuilder::~CheckOpMessageBuilder()’未定义的引用 mtcnn.cpp:(.text._ZN6google17MakeCheckOpStringIiiEEPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKT_RKT0_PKc[_ZN6google17MakeCheckOpStringIiiEEPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKT_RKT0_PKc]+0xad)：对‘google::base::CheckOpMessageBuilder::~CheckOpMessageBuilder()’未定义的引用 /tmp/cc7DRBwV.o：在函数‘caffe::Blob::LegacyShape(int) const’中： mtcnn.cpp:(.text._ZNK5caffe4BlobIfE11LegacyShapeEi[_ZNK5caffe4BlobIfE11LegacyShapeEi]+0x83)：对‘google::LogMessageFatal::LogMessageFatal(char const*, int, google::CheckOpString const&)’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE11LegacyShapeEi[_ZNK5caffe4BlobIfE11LegacyShapeEi]+0x8f)：对‘google::LogMessage::stream()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE11LegacyShapeEi[_ZNK5caffe4BlobIfE11LegacyShapeEi]+0xa8)：对‘google::LogMessageFatal::~LogMessageFatal()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE11LegacyShapeEi[_ZNK5caffe4BlobIfE11LegacyShapeEi]+0x107)：对‘google::LogMessageFatal::LogMessageFatal(char const*, int, google::CheckOpString const&)’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE11LegacyShapeEi[_ZNK5caffe4BlobIfE11LegacyShapeEi]+0x113)：对‘google::LogMessage::stream()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE11LegacyShapeEi[_ZNK5caffe4BlobIfE11LegacyShapeEi]+0x11f)：对‘google::LogMessageFatal::~LogMessageFatal()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE11LegacyShapeEi[_ZNK5caffe4BlobIfE11LegacyShapeEi]+0x17e)：对‘google::LogMessageFatal::LogMessageFatal(char const*, int, google::CheckOpString const&)’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE11LegacyShapeEi[_ZNK5caffe4BlobIfE11LegacyShapeEi]+0x18a)：对‘google::LogMessage::stream()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE11LegacyShapeEi[_ZNK5caffe4BlobIfE11LegacyShapeEi]+0x196)：对‘google::LogMessageFatal::~LogMessageFatal()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE11LegacyShapeEi[_ZNK5caffe4BlobIfE11LegacyShapeEi]+0x1ff)：对‘google::LogMessageFatal::~LogMessageFatal()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE11LegacyShapeEi[_ZNK5caffe4BlobIfE11LegacyShapeEi]+0x20b)：对‘google::LogMessageFatal::~LogMessageFatal()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE11LegacyShapeEi[_ZNK5caffe4BlobIfE11LegacyShapeEi]+0x217)：对‘google::LogMessageFatal::~LogMessageFatal()’未定义的引用 /tmp/cc7DRBwV.o：在函数‘std::__cxx11::basic_string<char, std::char_traits, std::allocator >* google::MakeCheckOpString<bool, bool>(bool const&, bool const&, char const*)’中： mtcnn.cpp:(.text._ZN6google17MakeCheckOpStringIbbEEPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKT_RKT0_PKc[_ZN6google17MakeCheckOpStringIbbEEPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKT_RKT0_PKc]+0x33)：对‘google::base::CheckOpMessageBuilder::CheckOpMessageBuilder(char const*)’未定义的引用 mtcnn.cpp:(.text._ZN6google17MakeCheckOpStringIbbEEPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKT_RKT0_PKc[_ZN6google17MakeCheckOpStringIbbEEPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKT_RKT0_PKc]+0x5d)：对‘google::base::CheckOpMessageBuilder::ForVar2()’未定义的引用 mtcnn.cpp:(.text._ZN6google17MakeCheckOpStringIbbEEPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKT_RKT0_PKc[_ZN6google17MakeCheckOpStringIbbEEPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKT_RKT0_PKc]+0x7b)：对‘google::base::CheckOpMessageBuilder::NewStringabi:cxx11’未定义的引用 mtcnn.cpp:(.text._ZN6google17MakeCheckOpStringIbbEEPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKT_RKT0_PKc[_ZN6google17MakeCheckOpStringIbbEEPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKT_RKT0_PKc]+0x8a)：对‘google::base::CheckOpMessageBuilder::~CheckOpMessageBuilder()’未定义的引用 mtcnn.cpp:(.text._ZN6google17MakeCheckOpStringIbbEEPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKT_RKT0_PKc[_ZN6google17MakeCheckOpStringIbbEEPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKT_RKT0_PKc]+0xad)：对‘google::base::CheckOpMessageBuilder::~CheckOpMessageBuilder()’未定义的引用 /tmp/cc7DRBwV.o：在函数‘caffe::Blob::CanonicalAxisIndex(int) const’中： mtcnn.cpp:(.text._ZNK5caffe4BlobIfE18CanonicalAxisIndexEi[_ZNK5caffe4BlobIfE18CanonicalAxisIndexEi]+0xaa)：对‘google::LogMessageFatal::LogMessageFatal(char const*, int, google::CheckOpString const&)’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE18CanonicalAxisIndexEi[_ZNK5caffe4BlobIfE18CanonicalAxisIndexEi]+0xb6)：对‘google::LogMessage::stream()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE18CanonicalAxisIndexEi[_ZNK5caffe4BlobIfE18CanonicalAxisIndexEi]+0x115)：对‘google::LogMessageFatal::~LogMessageFatal()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE18CanonicalAxisIndexEi[_ZNK5caffe4BlobIfE18CanonicalAxisIndexEi]+0x1a2)：对‘google::LogMessageFatal::LogMessageFatal(char const*, int, google::CheckOpString const&)’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE18CanonicalAxisIndexEi[_ZNK5caffe4BlobIfE18CanonicalAxisIndexEi]+0x1ae)：对‘google::LogMessage::stream()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE18CanonicalAxisIndexEi[_ZNK5caffe4BlobIfE18CanonicalAxisIndexEi]+0x20d)：对‘google::LogMessageFatal::~LogMessageFatal()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE18CanonicalAxisIndexEi[_ZNK5caffe4BlobIfE18CanonicalAxisIndexEi]+0x248)：对‘google::LogMessageFatal::~LogMessageFatal()’未定义的引用 mtcnn.cpp:(.text._ZNK5caffe4BlobIfE18CanonicalAxisIndexEi[_ZNK5caffe4BlobIfE18CanonicalAxisIndexEi]+0x26e)：对‘google::LogMessageFatal::~LogMessageFatal()’未定义的引用 collect2: error: ld returned 1 exit status

i don't know how to solve it.thank you! @blankWorld my OS:ubuntu16.04