Did you found a reason for this error? I am stuck at the same point with the same error as yours.
On Thursday, 1 June 2017 04:37:09 UTC-7, Bugsfunny wrote: > > Thanks for replying.. > > I tried deleting all the files that are related to protobuf and grpc in > all the bin and lib folders and tried installing it again. > > > 1) When I install grpc first and then protobuf.. I'm able to install it > without any errors... But i'm getting the below error while running the > helloworld program in cpp exmaples. > > Undefined symbols for architecture x86_64: > > "grpc::CreateChannel(std::__cxx11::basic_string<char, > std::char_traits<char>, std::allocator<char> > const&, > std::shared_ptr<grpc::ChannelCredentials> const&)", referenced from: > > _main in greeter_client.o > > "google::protobuf::MessageFactory::InternalRegisterGeneratedFile(char > const*, void (*)(std::__cxx11::basic_string<char, std::char_traits<char>, > std::allocator<char> > const&))", referenced from: > > helloworld::protobuf_helloworld_2eproto::AddDescriptorsImpl() > in helloworld.pb.o > > > "google::protobuf::io::CodedOutputStream::WriteStringWithSizeToArray(std::__cxx11::basic_string<char, > > std::char_traits<char>, std::allocator<char> > const&, unsigned char*)", > referenced from: > > google::protobuf::internal::WireFormatLite::WriteStringToArray(int, > std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator > <char> > const&, unsigned char*) in helloworld.pb.o > > > "google::protobuf::internal::ArenaStringPtr::AssignWithDefault(std::__cxx11::basic_string<char, > > std::char_traits<char>, std::allocator<char> > const*, > google::protobuf::internal::ArenaStringPtr)", referenced from: > > helloworld::HelloRequest::HelloRequest(helloworld::HelloRequest > const&) in helloworld.pb.o > > helloworld::HelloRequest::HelloRequest(helloworld::HelloRequest > const&) in helloworld.pb.o > > helloworld::HelloRequest::MergeFrom(helloworld::HelloRequest const&) > in helloworld.pb.o > > helloworld::HelloReply::HelloReply(helloworld::HelloReply const&) in > helloworld.pb.o > > helloworld::HelloReply::HelloReply(helloworld::HelloReply const&) in > helloworld.pb.o > > helloworld::HelloReply::MergeFrom(helloworld::HelloReply const&) in > helloworld.pb.o > > "google::protobuf::internal::WireFormatLite::WriteStringMaybeAliased(int, > std::__cxx11::basic_string<char, std::char_traits<char>, > std::allocator<char> > const&, google::protobuf::io::CodedOutputStream*)", > referenced from: > > helloworld::HelloRequest::SerializeWithCachedSizes(google::protobuf > ::io::CodedOutputStream*) const in helloworld.pb.o > > helloworld::HelloReply::SerializeWithCachedSizes(google::protobuf:: > io::CodedOutputStream*) const in helloworld.pb.o > > > "google::protobuf::internal::WireFormatLite::ReadBytes(google::protobuf::io::CodedInputStream*, > > std::__cxx11::basic_string<char, std::char_traits<char>, > std::allocator<char> >*)", referenced from: > > google::protobuf::internal::WireFormatLite::ReadString(google:: > protobuf::io::CodedInputStream*, std::__cxx11::basic_string<char, std:: > char_traits<char>, std::allocator<char> >*) in helloworld.pb.o > > > "google::protobuf::internal::AssignDescriptors(std::__cxx11::basic_string<char, > > std::char_traits<char>, std::allocator<char> > const&, > google::protobuf::internal::MigrationSchema const*, > google::protobuf::Message const* const*, unsigned int const*, > google::protobuf::MessageFactory*, google::protobuf::Metadata*, > google::protobuf::EnumDescriptor const**, > google::protobuf::ServiceDescriptor const**)", referenced from: > > helloworld::protobuf_helloworld_2eproto::(anonymous namespace):: > protobuf_AssignDescriptors() in helloworld.pb.o > > "google::protobuf::internal::fixed_address_empty_string[abi:cxx11]", > referenced from: > > google::protobuf::internal::GetEmptyStringAlreadyInited[abi:cxx11]() > in helloworld.pb.o > > google::protobuf::internal::GetEmptyStringAlreadyInited[abi:cxx11]() > in greeter_client.o > > "google::protobuf::Message::GetTypeName[abi:cxx11]() const", referenced > from: > > vtable for helloworld::HelloReply in helloworld.pb.o > > vtable for helloworld::HelloRequest in helloworld.pb.o > > "google::protobuf::Message::InitializationErrorString[abi:cxx11]() > const", referenced from: > > vtable for helloworld::HelloReply in helloworld.pb.o > > vtable for helloworld::HelloRequest in helloworld.pb.o > > ld: symbol(s) not found for architecture x86_64 > > collect2: error: ld returned 1 exit status > > make: *** [greeter_client] Error 1 > Enter code here... > > > > 2) When I install protobuf first and then grpc i'm getting the same error > which i first posted in this thread (during executing make command in grpc > directory ). > > > > > > > > > > > On Wednesday, May 31, 2017 at 3:26:58 AM UTC+5:30, Makarand Dharmapurikar > wrote: >> >> My guess is that you have an older copy of protobuf installed on the >> system somewhere. Can you manually search and remove older protobuf >> libraries? >> >> On Sun, May 28, 2017 at 12:09 PM, Bugsfunny <akshayj...@gmail.com> wrote: >> >>> Plz help me with this.. >>> On Wednesday, May 24, 2017 at 12:44:25 PM UTC+5:30, Bugsfunny wrote: >>>> >>>> I installed grpc using the below commands : >>>> >>>> git clone -b $(curl -L http://grpc.io/release) >>>> https://github.com/grpc/grpc >>>> cd grpc >>>> git checkout -b 1.2.0 >>>> git submodule foreach git clean -xfd >>>> git submodule update --init >>>> cd third_party/protobuf >>>> ./autogen.sh >>>> ./configure >>>> make -j2 >>>> sudo make install >>>> cd ../cares/cares/ >>>> ./buildconf >>>> ./configure >>>> make -j2 >>>> make ahost adig acountry >>>> make install >>>> cd ../.. >>>> git clean -xfd >>>> make -j2 (I get the below error while executing this command) >>>> sudo make install (did not execute this command) >>>> >>>> >>>> >>>> ERRORS : >>>> >>>> >>>> >>>> [LD] Linking /Users/anambia/Downloads/Softwares/grpc/libs/opt/ >>>> libgrpc.dylib >>>> [LD] Linking /Users/anambia/Downloads/Softwares/grpc/libs/opt/ >>>> libgrpc_cronet.dylib >>>> [AR] Creating /Users/anambia/Downloads/Softwares/grpc/libs/opt/ >>>> libgrpc.a >>>> [AR] Creating /Users/anambia/Downloads/Softwares/grpc/libs/opt/ >>>> libgrpc_cronet.a >>>> [HOSTLD] Linking /Users/anambia/Downloads/Softwares/grpc/bins/opt/ >>>> grpc_cpp_plugin >>>> Undefined symbols for architecture x86_64: >>>> >>>> "google::protobuf::io::StringOutputStream::StringOutputStream(std::__1::basic_string<char, >>>> >>>> std::__1::char_traits<char>, std::__1::allocator<char> >*)", >>>> referenced from: >>>> ProtoBufFile::CreatePrinter(std::__1::basic_string<char, std::__1 >>>> ::char_traits<char>, std::__1::allocator<char> >*) const in cpp_plugin. >>>> o >>>> >>>> "google::protobuf::io::Printer::Print(std::__1::map<std::__1::basic_string<char, >>>> >>>> std::__1::char_traits<char>, std::__1::allocator<char> >, >>>> std::__1::basic_string<char, std::__1::char_traits<char>, >>>> std::__1::allocator<char> >, std::__1::less<std::__1::basic_string<char, >>>> std::__1::char_traits<char>, std::__1::allocator<char> > >, >>>> std::__1::allocator<std::__1::pair<std::__1::basic_string<char, >>>> std::__1::char_traits<char>, std::__1::allocator<char> > const, >>>> std::__1::basic_string<char, std::__1::char_traits<char>, >>>> std::__1::allocator<char> > > > > const&, char const*)", referenced >>>> from: >>>> ProtoBufPrinter::Print(std::__1::map<std::__1::basic_string<char, >>>> std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1:: >>>> basic_string<char, std::__1::char_traits<char>, std::__1::allocator >>>> <char> >, std::__1::less<std::__1::basic_string<char, std::__1:: >>>> char_traits<char>, std::__1::allocator<char> > >, std::__1::allocator< >>>> std::__1::pair<std::__1::basic_string<char, std::__1::char_traits<char> >>>> , std::__1::allocator<char> > const, std::__1::basic_string<char, std:: >>>> __1::char_traits<char>, std::__1::allocator<char> > > > > const&, char >>>> const*) in cpp_plugin.o >>>> >>>> "google::protobuf::FileDescriptor::GetSourceLocation(std::__1::vector<int, >>>> std::__1::allocator<int> > const&, google::protobuf::SourceLocation*) >>>> const" >>>> , referenced from: >>>> void grpc_generator::GetComment<google::protobuf::FileDescriptor >>>> >(google::protobuf::FileDescriptor const*, grpc_generator::CommentType, >>>> std::__1::vector<std::__1::basic_string<char, std::__1::char_traits >>>> <char>, std::__1::allocator<char> >, std::__1::allocator<std::__1:: >>>> basic_string<char, std::__1::char_traits<char>, std::__1::allocator >>>> <char> > > >*) in cpp_plugin.o >>>> >>>> "google::protobuf::compiler::CodeGenerator::GenerateAll(std::__1::vector<google::protobuf::FileDescriptor >>>> >>>> const*, std::__1::allocator<google::protobuf::FileDescriptor const*> > >>>> const&, std::__1::basic_string<char, std::__1::char_traits<char>, >>>> std::__1::allocator<char> > const&, >>>> google::protobuf::compiler::GeneratorContext*, >>>> std::__1::basic_string<char, >>>> std::__1::char_traits<char>, std::__1::allocator<char> >*) const", >>>> referenced from: >>>> vtable for CppGrpcGenerator in cpp_plugin.o >>>> ld: symbol(s) not found for architecture x86_64 >>>> clang: error: linker command failed with exit code 1 (use -v to see >>>> invocation) >>>> make: *** [/Users/anambia/Downloads/Softwares/grpc/bins/opt/ >>>> grpc_cpp_plugin] Error 1 >>>> make: *** Waiting for unfinished jobs.... >>>> >>>> >>>> >>>> The gcc and g++ versions are : >>>> >>>> gcc --version >>>> >>>> gcc (GCC) 6.3.0 >>>> Copyright (C) 2016 Free Software Foundation, Inc. >>>> This is free software; see the source for copying conditions. There is >>>> NO >>>> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR >>>> PURPOSE. >>>> >>>> >>>> Please help me with this. >>>> >>>> -- >>> You received this message because you are subscribed to the Google >>> Groups "grpc.io" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to grpc-io+u...@googlegroups.com. >>> To post to this group, send email to grp...@googlegroups.com. >>> Visit this group at https://groups.google.com/group/grpc-io. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/grpc-io/fa8d0c31-da74-4ee4-9f92-7a991ef12853%40googlegroups.com >>> >>> <https://groups.google.com/d/msgid/grpc-io/fa8d0c31-da74-4ee4-9f92-7a991ef12853%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> -- You received this message because you are subscribed to the Google Groups "grpc.io" group. 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