遇到了同样的问题：求解答
CMakeFiles/ocr_system.dir/src/ocr_cls.o: In function PaddleOCR::Classifier::Run(cv::Mat&)': /home/paddleOcr/PaddleOCR/deploy/cpp_infer/src/ocr_cls.cpp:38: undefined reference to paddle_infer::Predictor::GetInputNames()'
/home/paddleOcr/PaddleOCR/deploy/cpp_infer/src/ocr_cls.cpp:39: undefined reference to paddle_infer::Predictor::GetInputHandle(std::string const&)' /home/paddleOcr/PaddleOCR/deploy/cpp_infer/src/ocr_cls.cpp:46: undefined reference to paddle_infer::Predictor::GetOutputNames()'
/home/paddleOcr/PaddleOCR/deploy/cpp_infer/src/ocr_cls.cpp:47: undefined reference to paddle_infer::Predictor::GetOutputHandle(std::string const&)' CMakeFiles/ocr_system.dir/src/ocr_cls.o: In function PaddleOCR::Classifier::LoadModel(std::string const&)':
/home/paddleOcr/PaddleOCR/deploy/cpp_infer/src/ocr_cls.cpp:74: undefined reference to paddle::AnalysisConfig::SetModel(std::string const&, std::string const&)' CMakeFiles/ocr_system.dir/src/ocr_det.o: In function PaddleOCR::DBDetector::LoadModel(std::string const&)':
/home/paddleOcr/PaddleOCR/deploy/cpp_infer/src/ocr_det.cpp:22: undefined reference to paddle::AnalysisConfig::SetModel(std::string const&, std::string const&)' CMakeFiles/ocr_system.dir/src/ocr_det.o: In function PaddleOCR::DBDetector::Run(cv::Mat&, std::vector<std::vector<std::vector<int, std::allocator >, std::allocator<std::vector<int, std::allocator > > >, std::allocator<std::vector<std::vector<int, std::allocator >, std::allocator<std::vector<int, std::allocator > > > > >&)':
/home/paddleOcr/PaddleOCR/deploy/cpp_infer/src/ocr_det.cpp:74: undefined reference to paddle_infer::Predictor::GetInputNames()' /home/paddleOcr/PaddleOCR/deploy/cpp_infer/src/ocr_det.cpp:75: undefined reference to paddle_infer::Predictor::GetInputHandle(std::string const&)'
/home/paddleOcr/PaddleOCR/deploy/cpp_infer/src/ocr_det.cpp:81: undefined reference to paddle_infer::Predictor::GetOutputNames()' /home/paddleOcr/PaddleOCR/deploy/cpp_infer/src/ocr_det.cpp:82: undefined reference to paddle_infer::Predictor::GetOutputHandle(std::string const&)'
CMakeFiles/ocr_system.dir/src/ocr_rec.o: In function PaddleOCR::CRNNRecognizer::Run(std::vector<std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > >, std::allocator<std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > > > >, cv::Mat&, PaddleOCR::Classifier*)': /home/paddleOcr/PaddleOCR/deploy/cpp_infer/src/ocr_rec.cpp:47: undefined reference to paddle_infer::Predictor::GetInputNames()'
/home/paddleOcr/PaddleOCR/deploy/cpp_infer/src/ocr_rec.cpp:48: undefined reference to paddle_infer::Predictor::GetInputHandle(std::string const&)' /home/paddleOcr/PaddleOCR/deploy/cpp_infer/src/ocr_rec.cpp:54: undefined reference to paddle_infer::Predictor::GetOutputNames()'
/home/paddleOcr/PaddleOCR/deploy/cpp_infer/src/ocr_rec.cpp:55: undefined reference to paddle_infer::Predictor::GetOutputHandle(std::string const&)' CMakeFiles/ocr_system.dir/src/ocr_rec.o: In function PaddleOCR::CRNNRecognizer::LoadModel(std::string const&)':
/home/paddleOcr/PaddleOCR/deploy/cpp_infer/src/ocr_rec.cpp:98: undefined reference to `paddle::AnalysisConfig::SetModel(std::string const&, std::string const&)'
collect2: error: ld returned 1 exit status
make[2]: *** [CMakeFiles/ocr_system.dir/build.make:225: ocr_system] Error 1
make[2]: Leaving directory '/home/paddleOcr/PaddleOCR/deploy/cpp_infer/build'
make[1]: *** [CMakeFiles/Makefile2:76: CMakeFiles/ocr_system.dir/all] Error 2
make[1]: Leaving directory '/home/paddleOcr/PaddleOCR/deploy/cpp_infer/build'
make: *** [Makefile:84: all] Error 2