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采用传译法将错误联系起来
原标题:Linking errors when using proto tutorial

我在乌乌恩图将C++与阿帕塔纳作为我的教育、教育、科学和技术研究所一起使用。

I compiled the addressbook.proto file as follows:

protoc -I=/home/workspace/rtb/src/ --cpp_out=/home/workspace/rtb/src/ /home/workspace/rtb/src/addressbook.proto

我随后将产出标题档案列入我的++代码如下:

#include "addressbook.pb.h"

这应该是这样。 权利?

当我建造时...... 我收到一份错误清单,该清单太长。 下面是最后一行。 我失踪了什么? 我如何在++中利用假缓冲?

./src/addressbook.pb.o:(.rodata._ZTVN8tutorial11AddressBookE[vtable for tutorial::AddressBook]+0x40): undefined reference to `google::protobuf::Message::InitializationErrorString() const 
./src/addressbook.pb.o:(.rodata._ZTVN8tutorial11AddressBookE[vtable for tutorial::AddressBook]+0x48): undefined reference to `google::protobuf::Message::CheckTypeAndMergeFrom(google::protobuf::MessageLite const&) 
./src/addressbook.pb.o:(.rodata._ZTVN8tutorial11AddressBookE[vtable for tutorial::AddressBook]+0x88): undefined reference to `google::protobuf::Message::DiscardUnknownFields() 
./src/addressbook.pb.o:(.rodata._ZTVN8tutorial11AddressBookE[vtable for tutorial::AddressBook]+0x90): undefined reference to `google::protobuf::Message::SpaceUsed() const 
./src/addressbook.pb.o:(.rodata._ZTVN8tutorial6PersonE[vtable for tutorial::Person]+0x20): undefined reference to `google::protobuf::Message::GetTypeName() const 
./src/addressbook.pb.o:(.rodata._ZTVN8tutorial6PersonE[vtable for tutorial::Person]+0x40): undefined reference to `google::protobuf::Message::InitializationErrorString() const 
./src/addressbook.pb.o:(.rodata._ZTVN8tutorial6PersonE[vtable for tutorial::Person]+0x48): undefined reference to `google::protobuf::Message::CheckTypeAndMergeFrom(google::protobuf::MessageLite const&) 
./src/addressbook.pb.o:(.rodata._ZTVN8tutorial6PersonE[vtable for tutorial::Person]+0x88): undefined reference to `google::protobuf::Message::DiscardUnknownFields() 
./src/addressbook.pb.o:(.rodata._ZTVN8tutorial6PersonE[vtable for tutorial::Person]+0x90): undefined reference to `google::protobuf::Message::SpaceUsed() const 
./src/addressbook.pb.o:(.rodata._ZTVN8tutorial18Person_PhoneNumberE[vtable for tutorial::Person_PhoneNumber]+0x20): undefined reference to `google::protobuf::Message::GetTypeName() const 
./src/addressbook.pb.o:(.rodata._ZTVN8tutorial18Person_PhoneNumberE[vtable for tutorial::Person_PhoneNumber]+0x40): undefined reference to `google::protobuf::Message::InitializationErrorString() const 
./src/addressbook.pb.o:(.rodata._ZTVN8tutorial18Person_PhoneNumberE[vtable for tutorial::Person_PhoneNumber]+0x48): undefined reference to `google::protobuf::Message::CheckTypeAndMergeFrom(google::protobuf::MessageLite const&) 
./src/addressbook.pb.o:(.rodata._ZTVN8tutorial18Person_PhoneNumberE[vtable for tutorial::Person_PhoneNumber]+0x88): undefined reference to `google::protobuf::Message::DiscardUnknownFields() 
./src/addressbook.pb.o:(.rodata._ZTVN8tutorial18Person_PhoneNumberE[vtable for tutorial::Person_PhoneNumber]+0x90): undefined reference to `google::protobuf::Message::SpaceUsed() const 
./src/addressbook.pb.o:(.rodata._ZTIN8tutorial11AddressBookE[typeinfo for tutorial::AddressBook]+0x10): undefined reference to `typeinfo for google::protobuf::Message 
./src/addressbook.pb.o:(.rodata._ZTIN8tutorial6PersonE[typeinfo for tutorial::Person]+0x10): undefined reference to `typeinfo for google::protobuf::Message 
./src/addressbook.pb.o:(.rodata._ZTIN8tutorial18Person_PhoneNumberE[typeinfo for tutorial::Person_PhoneNumber]+0x10): undefined reference to `typeinfo for google::protobuf::Message 
collect2: ld returned 1 exit status
make: *** [rtb] Error 1
问题回答

你必须将你的守则与礼宾缓冲图书馆联系起来。 您所需要的旗帜很可能是
-l protobuf





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