It looks like you have a version mismatch between libprotobuf.so and protoc. Type:
protoc --version I think you will find that it prints a much older version than what you expect. I suspect that the problem is that you already had an older version of protobuf installed (probably in /usr), and then you installed a newer version into a different location (probably /usr/local). pkg-config is producing the correct flags to link against the new version, but when you simply run "protoc" it's finding the old binary. On Wed, Mar 17, 2010 at 10:37 PM, Nag <ysgnagen...@gmail.com> wrote: > Hi, > > This is the error when i run the example code (address book) > > [ph...@localhost examples]$ make cpp > pkg-config --cflags protobuf # fails if protobuf is not installed > -pthread > c++ add_person.cc addressbook.pb.cc -o add_person_cpp `pkg-config -- > cflags --libs protobuf` -lprotobuf -lprotoc > /tmp/ccyavNPd.o: In function > `tutorial::protobuf_BuildDesc_addressbook_2eproto()': > addressbook.pb.cc:(.text+0x1300): undefined reference to > `google::protobuf::DescriptorPool::InternalBuildGeneratedFile(void > const*, int)' > addressbook.pb.cc:(.text+0x1382): undefined reference to > > `google::protobuf::internal::GeneratedMessageReflection::GeneratedMessageReflection(google::protobuf::Descriptor > const*, google::protobuf::Message const*, int const*, int, int, int, > google::protobuf::DescriptorPool const*)' > addressbook.pb.cc:(.text+0x140b): undefined reference to > > `google::protobuf::internal::GeneratedMessageReflection::GeneratedMessageReflection(google::protobuf::Descriptor > const*, google::protobuf::Message const*, int const*, int, int, int, > google::protobuf::DescriptorPool const*)' > addressbook.pb.cc:(.text+0x1504): undefined reference to > > `google::protobuf::internal::GeneratedMessageReflection::GeneratedMessageReflection(google::protobuf::Descriptor > const*, google::protobuf::Message const*, int const*, int, int, int, > google::protobuf::DescriptorPool const*)' > /tmp/ccyavNPd.o: In function > `google::protobuf::internal::GenericRepeatedField::GenericRepeatedField()': > addressbook.pb.cc: > > (.text._ZN6google8protobuf8internal20GenericRepeatedFieldC2Ev[google::protobuf::internal::GenericRepeatedField::GenericRepeatedField()] > +0x8): undefined reference to `vtable for > google::protobuf::internal::GenericRepeatedField' > /tmp/ccyavNPd.o: In function > > `google::protobuf::RepeatedPtrField<tutorial::Person>::~RepeatedPtrField()': > addressbook.pb.cc: > > (.text._ZN6google8protobuf16RepeatedPtrFieldIN8tutorial6PersonEED1Ev[google::protobuf::RepeatedPtrField<tutorial::Person>::~RepeatedPtrField()] > +0xa1): undefined reference to > `google::protobuf::internal::GenericRepeatedField::~GenericRepeatedField()' > addressbook.pb.cc: > > (.text._ZN6google8protobuf16RepeatedPtrFieldIN8tutorial6PersonEED1Ev[google::protobuf::RepeatedPtrField<tutorial::Person>::~RepeatedPtrField()] > +0xc5): undefined reference to > `google::protobuf::internal::GenericRepeatedField::~GenericRepeatedField()' > /tmp/ccyavNPd.o: In function > > `google::protobuf::RepeatedPtrField<tutorial::Person>::~RepeatedPtrField()': > addressbook.pb.cc: > > (.text._ZN6google8protobuf16RepeatedPtrFieldIN8tutorial6PersonEED0Ev[google::protobuf::RepeatedPtrField<tutorial::Person>::~RepeatedPtrField()] > +0xa1): undefined reference to > `google::protobuf::internal::GenericRepeatedField::~GenericRepeatedField()' > addressbook.pb.cc: > > (.text._ZN6google8protobuf16RepeatedPtrFieldIN8tutorial6PersonEED0Ev[google::protobuf::RepeatedPtrField<tutorial::Person>::~RepeatedPtrField()] > +0xc5): undefined reference to > `google::protobuf::internal::GenericRepeatedField::~GenericRepeatedField()' > /tmp/ccyavNPd.o: In function > > `google::protobuf::RepeatedPtrField<tutorial::Person_PhoneNumber>::~RepeatedPtrField()': > addressbook.pb.cc: > > (.text._ZN6google8protobuf16RepeatedPtrFieldIN8tutorial18Person_PhoneNumberEED1Ev[google::protobuf::RepeatedPtrField<tutorial::Person_PhoneNumber>::~RepeatedPtrField()] > +0xa1): undefined reference to > `google::protobuf::internal::GenericRepeatedField::~GenericRepeatedField()' > /tmp/ccyavNPd.o:addressbook.pb.cc: > > (.text._ZN6google8protobuf16RepeatedPtrFieldIN8tutorial18Person_PhoneNumberEED1Ev[google::protobuf::RepeatedPtrField<tutorial::Person_PhoneNumber>::~RepeatedPtrField()] > +0xc5): more undefined references to > `google::protobuf::internal::GenericRepeatedField::~GenericRepeatedField()' > follow > /tmp/ccyavNPd.o: > > (.rodata._ZTIN6google8protobuf16RepeatedPtrFieldIN8tutorial6PersonEEE[typeinfo > for google::protobuf::RepeatedPtrField<tutorial::Person>]+0x8): > undefined reference to `typeinfo for > google::protobuf::internal::GenericRepeatedField' > /tmp/ccyavNPd.o: > > (.rodata._ZTIN6google8protobuf16RepeatedPtrFieldIN8tutorial18Person_PhoneNumberEEE[typeinfo > for google::protobuf::RepeatedPtrField<tutorial::Person_PhoneNumber>] > +0x8): undefined reference to `typeinfo for > google::protobuf::internal::GenericRepeatedField' > collect2: ld returned 1 exit status > make: *** [add_person_cpp] Error 1 > > > > > Any one Please help me, i am trying from 1 week. > Please..... > > -- > You received this message because you are subscribed to the Google Groups > "Protocol Buffers" group. > To post to this group, send email to proto...@googlegroups.com. > To unsubscribe from this group, send email 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