在 2012年9月26日星期三UTC+8下午6时45分12秒，Deepak Sindhu写道： > > > Hi All, > > I am working on Qt/C++ project. I wanted to use protocol buffer so I > downloaded and followed steps to compile and install. > > Create custommessage.proto and generated .cc & .h using proto compiler > > .pro > SOURCES += Mainwindow.cpp\CustomMessage.pb.cc > > > HEADERS += Mainwindow.h \ CustomMessage.pb.h > > INCLUDEPATH += ../../ProtocolBuf/include > > LIBS += -L ../../ProtocolBuf/lib -lprotobuf -lprotoc > > > I am getting below errors: > CustomMessage.pb.cc:52: error: undefined reference to > `google::protobuf::ProtobufOnceType::~ProtobufOnceType()' > ProjectPath\CustomMessage.pb.cc:52: error: undefined reference to > `google::protobuf::ProtobufOnceType::~ProtobufOnceType()' > ProjectPath\..\..\ProtocolBuf\include\google\protobuf\stubs\once.h:103: > error: undefined reference to `google::protobuf::ProtobufOnceType::Init(void > (*)())' > > I have lib in place, headers too. > working on Win7, using QtCreator > > Could someone suggest me why m getting these error. > > >
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