[GitHub] jinfagang commented on issue #8444: /include/mxnet-cpp/operator.hpp:157:31: error: expected ';' at end of declaration std::vector outputs{output};

[GitBox <gi...@apache.org>]

jinfagang commented on issue #8444: /include/mxnet-cpp/operator.hpp:157:31: error:        expected ';' at end of declaration   std::vector<NDArray> outputs{output};
URL: https://github.com/apache/incubator-mxnet/issues/8444#issuecomment-339948800
 
 
   @lebeg Hi, so many thanks for your reply, after turn on c++ 11, things seems got a very far reach, but it still gives me some errors:
   
   ```
   Undefined symbols for architecture x86_64:
     "cv::Mat::deallocate()", referenced from:
         mxnet::Imdecode(mxnet::NDArray*, mxnet::NDArray, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, char*) in libmxnet_static.a(ndarray.cc.o)
     "cv::error(int, cv::String const&, char const*, char const*, int)", referenced from:
         cv::Mat::Mat(int, int, int, void*, unsigned long) in libmxnet_static.a(ndarray.cc.o)
     "cv::String::deallocate()", referenced from:
         cv::Mat::Mat(int, int, int, void*, unsigned long) in libmxnet_static.a(ndarray.cc.o)
     "cv::String::allocate(unsigned long)", referenced from:
         cv::Mat::Mat(int, int, int, void*, unsigned long) in libmxnet_static.a(ndarray.cc.o)
     "cv::fastFree(void*)", referenced from:
         mxnet::Imdecode(mxnet::NDArray*, mxnet::NDArray, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, char*) in libmxnet_static.a(ndarray.cc.o)
     "cv::imdecode(cv::_InputArray const&, int)", referenced from:
         mxnet::Imdecode(mxnet::NDArray*, mxnet::NDArray, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, char*) in libmxnet_static.a(ndarray.cc.o)
     "dmlc::RecordIOReader::NextRecord(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >*)", referenced from:
         _MXRecordIOReaderReadRecord in libmxnet_static.a(c_api.cc.o)
     "dmlc::RecordIOWriter::WriteRecord(void const*, unsigned long)", referenced from:
         _MXRecordIOWriterWriteRecord in libmxnet_static.a(c_api.cc.o)
     "dmlc::Stream::Create(char const*, char const*, bool)", referenced from:
         _MXNDArraySave in libmxnet_static.a(c_api.cc.o)
         _MXNDArrayLoad in libmxnet_static.a(c_api.cc.o)
         _MXRecordIOWriterCreate in libmxnet_static.a(c_api.cc.o)
         _MXRecordIOReaderCreate in libmxnet_static.a(c_api.cc.o)
         _MXSymbolCreateFromFile in libmxnet_static.a(c_api_symbolic.cc.o)
         _MXSymbolSaveToFile in libmxnet_static.a(c_api_symbolic.cc.o)
   ld: symbol(s) not found for architecture x86_64
   clang: error: linker command failed with exit code 1 (use -v to see invocation)
   ```
   
   This is caused by OpenCV, but I disabled it when I build mxnet, why it still give me the error, if I want fix it, should I install opencv and link it in my project or there are anyother solutions?

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