Did you previously compile the examples with an older protoc? You need to "make clean" before trying to compile with a newer protoc.
On Wed, Feb 3, 2010 at 9:18 AM, hap 497 <hap...@gmail.com> wrote: > Kenton, > > Thank you. > > It prints 'libprotoc 2.3.0'. And I have setup my LD_LIBRARY_PATH, > PATH, PKG_CONFIG_PATH on my ubuntu env accordingly. > > $ protoc --version > libprotoc 2.3.0 > /media/EXTDIV/src/protobuf-2.3.0/examples:1014:14$ make cpp > pkg-config --cflags protobuf # fails if protobuf is not installed > -pthread -I/media/EXTDIV/bin/include > c++ add_person.cc addressbook.pb.cc -o add_person_cpp `pkg-config > --cflags --libs protobuf` > In file included from add_person.cc:6: > addressbook.pb.h:16:2: error: #error This file was generated by an > older version of protoc which is > addressbook.pb.h:17:2: error: #error incompatible with your Protocol > Buffer headers. Please > addressbook.pb.h:18:2: error: #error regenerate this file with a newer > version of protoc. > add_person.cc: In function ‘int main(int, char**)’: > add_person.cc:66: error: cannot declare variable ‘address_book’ to be > of abstract type ‘tutorial::AddressBook’ > addressbook.pb.h:246: note: because the following virtual functions > are pure within ‘tutorial::AddressBook’: > /media/EXTDIV/bin/include/google/protobuf/message.h:331: note: > virtual google::protobuf::Metadata > google::protobuf::Message::GetMetadata() const > In file included from > /media/EXTDIV/bin/include/google/protobuf/unknown_field_set.h:43, > from > > /media/EXTDIV/bin/include/google/protobuf/generated_message_reflection.h:44, > from addressbook.pb.h:21, > from add_person.cc:6: > /media/EXTDIV/bin/include/google/protobuf/repeated_field.h: In static > member function ‘static GenericType* > google::protobuf::internal::GenericTypeHandler<GenericType>::New() > [with GenericType = tutorial::Person_PhoneNumber]’: > /media/EXTDIV/bin/include/google/protobuf/repeated_field.h:655: > instantiated from ‘typename TypeHandler::Type* > google::protobuf::internal::RepeatedPtrFieldBase::Add() [with > TypeHandler = > google::protobuf::RepeatedPtrField<tutorial::Person_PhoneNumber>::TypeHandler]’ > /media/EXTDIV/bin/include/google/protobuf/repeated_field.h:829: > instantiated from ‘Element* > google::protobuf::RepeatedPtrField<Element>::Add() [with Element = > tutorial::Person_PhoneNumber]’ > addressbook.pb.h:491: instantiated from here > /media/EXTDIV/bin/include/google/protobuf/repeated_field.h:271: error: > cannot allocate an object of abstract type > ‘tutorial::Person_PhoneNumber’ > addressbook.pb.h:48: note: because the following virtual functions > are pure within ‘tutorial::Person_PhoneNumber’: > /media/EXTDIV/bin/include/google/protobuf/message.h:331: note: > virtual google::protobuf::Metadata > google::protobuf::Message::GetMetadata() const > /media/EXTDIV/bin/include/google/protobuf/repeated_field.h: In static > member function ‘static GenericType* > google::protobuf::internal::GenericTypeHandler<GenericType>::New() > [with GenericType = tutorial::Person]’: > /media/EXTDIV/bin/include/google/protobuf/repeated_field.h:655: > instantiated from ‘typename TypeHandler::Type* > google::protobuf::internal::RepeatedPtrFieldBase::Add() [with > TypeHandler = > google::protobuf::RepeatedPtrField<tutorial::Person>::TypeHandler]’ > /media/EXTDIV/bin/include/google/protobuf/repeated_field.h:829: > instantiated from ‘Element* > google::protobuf::RepeatedPtrField<Element>::Add() [with Element = > tutorial::Person]’ > addressbook.pb.h:520: instantiated from here > /media/EXTDIV/bin/include/google/protobuf/repeated_field.h:271: error: > cannot allocate an object of abstract type ‘tutorial::Person’ > addressbook.pb.h:128: note: because the following virtual functions > are pure within ‘tutorial::Person’: > /media/EXTDIV/bin/include/google/protobuf/message.h:331: note: > virtual google::protobuf::Metadata > google::protobuf::Message::GetMetadata() const > In file included from addressbook.pb.cc:3: > addressbook.pb.h:16:2: error: #error This file was generated by an > older version of protoc which is > addressbook.pb.h:17:2: error: #error incompatible with your Protocol > Buffer headers. Please > addressbook.pb.h:18:2: error: #error regenerate this file with a newer > version of protoc. > addressbook.pb.cc:7:45: error: google/protobuf/wire_format_inl.h: No > such file or directory > addressbook.pb.cc: In function ‘void > > tutorial::protobuf_BuildDesc_addressbook_2eproto_AssignGlobalDescriptors(const > google::protobuf::FileDescriptor*)’: > addressbook.pb.cc:29: error: cannot allocate an object of abstract > type ‘tutorial::Person’ > addressbook.pb.h:128: note: because the following virtual functions > are pure within ‘tutorial::Person’: > /media/EXTDIV/bin/include/google/protobuf/message.h:331: note: > virtual google::protobuf::Metadata > google::protobuf::Message::GetMetadata() const > addressbook.pb.cc:45: error: no matching function for call to > > ‘google::protobuf::internal::GeneratedMessageReflection::GeneratedMessageReflection(const > google::protobuf::Descriptor*&, tutorial::Person*&, const int [4], > int, int, int, const google::protobuf::DescriptorPool*, unsigned int)’ > > /media/EXTDIV/bin/include/google/protobuf/generated_message_reflection.h:344: > note: candidates are: > > google::protobuf::internal::GeneratedMessageReflection::GeneratedMessageReflection(const > google::protobuf::internal::GeneratedMessageReflection&) > > /media/EXTDIV/bin/include/google/protobuf/generated_message_reflection.h:122: > note: > > google::protobuf::internal::GeneratedMessageReflection::GeneratedMessageReflection(const > google::protobuf::Descriptor*, const google::protobuf::Message*, const > int*, int, int, int, const google::protobuf::DescriptorPool*, > google::protobuf::MessageFactory*, int) > addressbook.pb.cc:47: error: cannot allocate an object of abstract > type ‘tutorial::Person_PhoneNumber’ > addressbook.pb.h:48: note: because the following virtual functions > are pure within ‘tutorial::Person_PhoneNumber’: > /media/EXTDIV/bin/include/google/protobuf/message.h:331: note: > virtual google::protobuf::Metadata > google::protobuf::Message::GetMetadata() const > addressbook.pb.cc:61: error: no matching function for call to > > ‘google::protobuf::internal::GeneratedMessageReflection::GeneratedMessageReflection(const > google::protobuf::Descriptor*&, tutorial::Person_PhoneNumber*&, const > int [2], int, int, int, const google::protobuf::DescriptorPool*, > unsigned int)’ > > /media/EXTDIV/bin/include/google/protobuf/generated_message_reflection.h:344: > note: candidates are: > > google::protobuf::internal::GeneratedMessageReflection::GeneratedMessageReflection(const > google::protobuf::internal::GeneratedMessageReflection&) > > /media/EXTDIV/bin/include/google/protobuf/generated_message_reflection.h:122: > note: > > google::protobuf::internal::GeneratedMessageReflection::GeneratedMessageReflection(const > google::protobuf::Descriptor*, const google::protobuf::Message*, const > int*, int, int, int, const google::protobuf::DescriptorPool*, > google::protobuf::MessageFactory*, int) > addressbook.pb.cc:68: error: cannot allocate an object of abstract > type ‘tutorial::AddressBook’ > addressbook.pb.h:246: note: because the following virtual functions > are pure within ‘tutorial::AddressBook’: > /media/EXTDIV/bin/include/google/protobuf/message.h:331: note: > virtual google::protobuf::Metadata > google::protobuf::Message::GetMetadata() const > addressbook.pb.cc:81: error: no matching function for call to > > ‘google::protobuf::internal::GeneratedMessageReflection::GeneratedMessageReflection(const > google::protobuf::Descriptor*&, tutorial::AddressBook*&, const int > [1], int, int, int, const google::protobuf::DescriptorPool*, unsigned > int)’ > > /media/EXTDIV/bin/include/google/protobuf/generated_message_reflection.h:344: > note: candidates are: > > google::protobuf::internal::GeneratedMessageReflection::GeneratedMessageReflection(const > google::protobuf::internal::GeneratedMessageReflection&) > > /media/EXTDIV/bin/include/google/protobuf/generated_message_reflection.h:122: > note: > > google::protobuf::internal::GeneratedMessageReflection::GeneratedMessageReflection(const > google::protobuf::Descriptor*, const google::protobuf::Message*, const > int*, int, int, int, const google::protobuf::DescriptorPool*, > google::protobuf::MessageFactory*, int) > addressbook.pb.cc: In function ‘void > tutorial::protobuf_BuildDesc_addressbook_2eproto()’: > addressbook.pb.cc:97: error: ‘class google::protobuf::DescriptorPool’ > has no member named ‘InternalBuildGeneratedFile’ > addressbook.pb.cc: In member function ‘virtual > tutorial::Person_PhoneNumber* tutorial::Person_PhoneNumber::New() > const’: > addressbook.pb.cc:184: error: cannot allocate an object of abstract > type ‘tutorial::Person_PhoneNumber’ > addressbook.pb.h:48: note: since type ‘tutorial::Person_PhoneNumber’ > has pure virtual functions > addressbook.pb.cc: In member function ‘virtual tutorial::Person* > tutorial::Person::New() const’: > addressbook.pb.cc:247: error: cannot allocate an object of abstract > type ‘tutorial::Person’ > addressbook.pb.h:128: note: since type ‘tutorial::Person’ has pure > virtual functions > addressbook.pb.cc: In member function ‘virtual tutorial::AddressBook* > tutorial::AddressBook::New() const’: > addressbook.pb.cc:295: error: cannot allocate an object of abstract > type ‘tutorial::AddressBook’ > addressbook.pb.h:246: note: since type ‘tutorial::AddressBook’ has > pure virtual functions > In file included from > /media/EXTDIV/bin/include/google/protobuf/unknown_field_set.h:43, > from > > /media/EXTDIV/bin/include/google/protobuf/generated_message_reflection.h:44, > from addressbook.pb.h:21, > from addressbook.pb.cc:3: > /media/EXTDIV/bin/include/google/protobuf/repeated_field.h: In static > member function ‘static GenericType* > google::protobuf::internal::GenericTypeHandler<GenericType>::New() > [with GenericType = tutorial::Person_PhoneNumber]’: > /media/EXTDIV/bin/include/google/protobuf/repeated_field.h:655: > instantiated from ‘typename TypeHandler::Type* > google::protobuf::internal::RepeatedPtrFieldBase::Add() [with > TypeHandler = > google::protobuf::RepeatedPtrField<tutorial::Person_PhoneNumber>::TypeHandler]’ > /media/EXTDIV/bin/include/google/protobuf/repeated_field.h:829: > instantiated from ‘Element* > google::protobuf::RepeatedPtrField<Element>::Add() [with Element = > tutorial::Person_PhoneNumber]’ > addressbook.pb.h:491: instantiated from here > /media/EXTDIV/bin/include/google/protobuf/repeated_field.h:271: error: > cannot allocate an object of abstract type > ‘tutorial::Person_PhoneNumber’ > addressbook.pb.h:48: note: since type ‘tutorial::Person_PhoneNumber’ > has pure virtual functions > /media/EXTDIV/bin/include/google/protobuf/repeated_field.h: In static > member function ‘static GenericType* > google::protobuf::internal::GenericTypeHandler<GenericType>::New() > [with GenericType = tutorial::Person]’: > /media/EXTDIV/bin/include/google/protobuf/repeated_field.h:655: > instantiated from ‘typename TypeHandler::Type* > google::protobuf::internal::RepeatedPtrFieldBase::Add() [with > TypeHandler = > google::protobuf::RepeatedPtrField<tutorial::Person>::TypeHandler]’ > /media/EXTDIV/bin/include/google/protobuf/repeated_field.h:829: > instantiated from ‘Element* > google::protobuf::RepeatedPtrField<Element>::Add() [with Element = > tutorial::Person]’ > addressbook.pb.h:520: instantiated from here > /media/EXTDIV/bin/include/google/protobuf/repeated_field.h:271: error: > cannot allocate an object of abstract type ‘tutorial::Person’ > addressbook.pb.h:128: note: since type ‘tutorial::Person’ has pure > virtual functions > make: *** [add_person_cpp] Error 1 > /media/EXTDIV/src/protobuf-2.3.0/examples:1015:15$ > > On Tue, Feb 2, 2010 at 1:38 PM, Kenton Varda <ken...@google.com> wrote: > > What does "protoc --version" print? > > > > On Tue, Feb 2, 2010 at 10:31 AM, hap 497 <hap...@gmail.com> wrote: > >> > >> Hi, > >> > >> I am trying to compile protobuf cpp example. > >> $ cd /media/EXTDIV/src/protobuf-2.3.0/examples > >> $ make cpp > >> > >> But I am getting these errors: > >> c++ add_person.cc addressbook.pb.cc -o add_person_cpp `pkg-config > >> --cflags --libs protobuf` > >> In file included from add_person.cc:6: > >> addressbook.pb.h:16:2: error: #error This file was generated by an > >> older version of protoc which is > >> addressbook.pb.h:17:2: error: #error incompatible with your Protocol > >> Buffer headers. Please > >> addressbook.pb.h:18:2: error: #error regenerate this file with a newer > >> version of protoc. > >> add_person.cc: In function ‘int main(int, char**)’: > >> add_person.cc:66: error: cannot declare variable ‘address_book’ to be > >> of abstract type ‘tutorial::AddressBook’ > >> addressbook.pb.h:246: note: because the following virtual functions > >> are pure within ‘tutorial::AddressBook’: > >> > >> I downnload the source tar ball 2.3.0 on Ubuntu. Is that out of date? > >> > >> Thank you. > >> > >> -- > >> 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 to > >> protobuf+unsubscr...@googlegroups.com<protobuf%2bunsubscr...@googlegroups.com> > . > >> For more options, visit this group at > >> http://groups.google.com/group/protobuf?hl=en. > >> > > > > -- > > 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 to > > protobuf+unsubscr...@googlegroups.com<protobuf%2bunsubscr...@googlegroups.com> > . > > For more options, visit this group at > > http://groups.google.com/group/protobuf?hl=en. > > > -- You received this message because you are subscribed to the Google Groups "Protocol Buffers" group. 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