/home/work/dcmqi/jsoncpp/jsoncpp.cpp:234:14: error: 'scoped_ptr' in namespace 'std' does not name a template type
 typedef std::scoped_ptr<CharReader> const  CharReaderPtr;
              ^~~~~~~~~~
/home/work/dcmqi/jsoncpp/jsoncpp.cpp: In function 'bool Json::parseFromStream(const Json::CharReader::Factory&, std::istream&, Json::Value*, std::__cxx11::string*)':
/home/work/dcmqi/jsoncpp/jsoncpp.cpp:2007:3: error: 'CharReaderPtr' was not declared in this scope
   CharReaderPtr const reader(fact.newCharReader());
   ^~~~~~~~~~~~~
/home/work/dcmqi/jsoncpp/jsoncpp.cpp:2008:10: error: 'reader' was not declared in this scope
   return reader->parse(begin, end, root, errs);
          ^~~~~~
/home/work/dcmqi/jsoncpp/jsoncpp.cpp: At global scope:
/home/work/dcmqi/jsoncpp/jsoncpp.cpp:3803:14: error: 'scoped_ptr' in namespace 'std' does not name a template type
 typedef std::scoped_ptr<StreamWriter> const  StreamWriterPtr;
              ^~~~~~~~~~
/home/work/dcmqi/jsoncpp/jsoncpp.cpp: In function 'std::__cxx11::string Json::writeString(const Json::StreamWriter::Factory&, const Json::Value&)':
/home/work/dcmqi/jsoncpp/jsoncpp.cpp:4924:3: error: 'StreamWriterPtr' was not declared in this scope
   StreamWriterPtr const writer(builder.newStreamWriter());
   ^~~~~~~~~~~~~~~
/home/work/dcmqi/jsoncpp/jsoncpp.cpp:4925:3: error: 'writer' was not declared in this scope
   writer->write(root, &sout);
   ^~~~~~
/home/work/dcmqi/jsoncpp/jsoncpp.cpp: In function 'std::ostream& Json::operator<<(std::ostream&, const Json::Value&)':
/home/work/dcmqi/jsoncpp/jsoncpp.cpp:4931:3: error: 'StreamWriterPtr' was not declared in this scope
   StreamWriterPtr const writer(builder.newStreamWriter());
   ^~~~~~~~~~~~~~~
/home/work/dcmqi/jsoncpp/jsoncpp.cpp:4932:3: error: 'writer' was not declared in this scope
   writer->write(root, &sout);
   ^~~~~~