Should protoc v2.6.1 produce 'Expected “required”, “optional”, or “repeated”.'











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Using Ubuntu 16.04 and CMake, I'm trying to create a shared library from the protobuf files. CMakes protobuf_generate_cpp is producing PROTO_SRCS and PROTO_HDRS.



I didn't have any google/protobuf/*.proto files on my system, so I downloaded 3.6.1 and moved these into /usr/local/include. I know I'm using proto2 and protoc is version 2, and some of those *.proto files in 3.6.1 are proto3, but the files below (the ones I'm making use of are syntax="proto2"), so I think this should be ok.



However, I'm running into the following error.



 $ protoc --version
libprotoc 2.6.1

[ 2%] Running C++ protocol buffer compiler on models.proto
google/protobuf/descriptor.proto:439:3: Expected "required", "optional", or "repeated".
google/protobuf/descriptor.proto:439:12: Expected field name.
google/protobuf/descriptor.proto:497:3: Expected "required", "optional", or "repeated".
google/protobuf/descriptor.proto:497:12: Expected field name.
google/protobuf/descriptor.proto:498:3: Expected "required", "optional", or "repeated".
google/protobuf/descriptor.proto:498:12: Expected field name.
google/protobuf/descriptor.proto:597:3: Expected "required", "optional", or "repeated".
google/protobuf/descriptor.proto:597:12: Expected field name.
google/protobuf/descriptor.proto:620:3: Expected "required", "optional", or "repeated".
google/protobuf/descriptor.proto:620:12: Expected field name.
edk/edk_extensions.proto: Import "google/protobuf/descriptor.proto" was not found or had errors.
edk/edk_extensions.proto:15:8: ".google.protobuf.FieldOptions" is not defined.
edk/edk_extensions.proto:20:8: ".google.protobuf.MessageOptions" is not defined.
models.proto: Import "edk/edk_extensions.proto" was not found or had errors.


Anyone have thoughts?










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    up vote
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    down vote

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    Using Ubuntu 16.04 and CMake, I'm trying to create a shared library from the protobuf files. CMakes protobuf_generate_cpp is producing PROTO_SRCS and PROTO_HDRS.



    I didn't have any google/protobuf/*.proto files on my system, so I downloaded 3.6.1 and moved these into /usr/local/include. I know I'm using proto2 and protoc is version 2, and some of those *.proto files in 3.6.1 are proto3, but the files below (the ones I'm making use of are syntax="proto2"), so I think this should be ok.



    However, I'm running into the following error.



     $ protoc --version
    libprotoc 2.6.1

    [ 2%] Running C++ protocol buffer compiler on models.proto
    google/protobuf/descriptor.proto:439:3: Expected "required", "optional", or "repeated".
    google/protobuf/descriptor.proto:439:12: Expected field name.
    google/protobuf/descriptor.proto:497:3: Expected "required", "optional", or "repeated".
    google/protobuf/descriptor.proto:497:12: Expected field name.
    google/protobuf/descriptor.proto:498:3: Expected "required", "optional", or "repeated".
    google/protobuf/descriptor.proto:498:12: Expected field name.
    google/protobuf/descriptor.proto:597:3: Expected "required", "optional", or "repeated".
    google/protobuf/descriptor.proto:597:12: Expected field name.
    google/protobuf/descriptor.proto:620:3: Expected "required", "optional", or "repeated".
    google/protobuf/descriptor.proto:620:12: Expected field name.
    edk/edk_extensions.proto: Import "google/protobuf/descriptor.proto" was not found or had errors.
    edk/edk_extensions.proto:15:8: ".google.protobuf.FieldOptions" is not defined.
    edk/edk_extensions.proto:20:8: ".google.protobuf.MessageOptions" is not defined.
    models.proto: Import "edk/edk_extensions.proto" was not found or had errors.


    Anyone have thoughts?










    share|improve this question


























      up vote
      1
      down vote

      favorite









      up vote
      1
      down vote

      favorite











      Using Ubuntu 16.04 and CMake, I'm trying to create a shared library from the protobuf files. CMakes protobuf_generate_cpp is producing PROTO_SRCS and PROTO_HDRS.



      I didn't have any google/protobuf/*.proto files on my system, so I downloaded 3.6.1 and moved these into /usr/local/include. I know I'm using proto2 and protoc is version 2, and some of those *.proto files in 3.6.1 are proto3, but the files below (the ones I'm making use of are syntax="proto2"), so I think this should be ok.



      However, I'm running into the following error.



       $ protoc --version
      libprotoc 2.6.1

      [ 2%] Running C++ protocol buffer compiler on models.proto
      google/protobuf/descriptor.proto:439:3: Expected "required", "optional", or "repeated".
      google/protobuf/descriptor.proto:439:12: Expected field name.
      google/protobuf/descriptor.proto:497:3: Expected "required", "optional", or "repeated".
      google/protobuf/descriptor.proto:497:12: Expected field name.
      google/protobuf/descriptor.proto:498:3: Expected "required", "optional", or "repeated".
      google/protobuf/descriptor.proto:498:12: Expected field name.
      google/protobuf/descriptor.proto:597:3: Expected "required", "optional", or "repeated".
      google/protobuf/descriptor.proto:597:12: Expected field name.
      google/protobuf/descriptor.proto:620:3: Expected "required", "optional", or "repeated".
      google/protobuf/descriptor.proto:620:12: Expected field name.
      edk/edk_extensions.proto: Import "google/protobuf/descriptor.proto" was not found or had errors.
      edk/edk_extensions.proto:15:8: ".google.protobuf.FieldOptions" is not defined.
      edk/edk_extensions.proto:20:8: ".google.protobuf.MessageOptions" is not defined.
      models.proto: Import "edk/edk_extensions.proto" was not found or had errors.


      Anyone have thoughts?










      share|improve this question















      Using Ubuntu 16.04 and CMake, I'm trying to create a shared library from the protobuf files. CMakes protobuf_generate_cpp is producing PROTO_SRCS and PROTO_HDRS.



      I didn't have any google/protobuf/*.proto files on my system, so I downloaded 3.6.1 and moved these into /usr/local/include. I know I'm using proto2 and protoc is version 2, and some of those *.proto files in 3.6.1 are proto3, but the files below (the ones I'm making use of are syntax="proto2"), so I think this should be ok.



      However, I'm running into the following error.



       $ protoc --version
      libprotoc 2.6.1

      [ 2%] Running C++ protocol buffer compiler on models.proto
      google/protobuf/descriptor.proto:439:3: Expected "required", "optional", or "repeated".
      google/protobuf/descriptor.proto:439:12: Expected field name.
      google/protobuf/descriptor.proto:497:3: Expected "required", "optional", or "repeated".
      google/protobuf/descriptor.proto:497:12: Expected field name.
      google/protobuf/descriptor.proto:498:3: Expected "required", "optional", or "repeated".
      google/protobuf/descriptor.proto:498:12: Expected field name.
      google/protobuf/descriptor.proto:597:3: Expected "required", "optional", or "repeated".
      google/protobuf/descriptor.proto:597:12: Expected field name.
      google/protobuf/descriptor.proto:620:3: Expected "required", "optional", or "repeated".
      google/protobuf/descriptor.proto:620:12: Expected field name.
      edk/edk_extensions.proto: Import "google/protobuf/descriptor.proto" was not found or had errors.
      edk/edk_extensions.proto:15:8: ".google.protobuf.FieldOptions" is not defined.
      edk/edk_extensions.proto:20:8: ".google.protobuf.MessageOptions" is not defined.
      models.proto: Import "edk/edk_extensions.proto" was not found or had errors.


      Anyone have thoughts?







      cmake protocol-buffers protoc proto3






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      edited Nov 15 at 20:07

























      asked Nov 15 at 19:45









      Ender

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          Recent versions of descriptor.proto declare reserved fields - as an example line 439. This is a new syntax that was back-ported to proto2 syntax, but old versions of protoc won't understand it (understably). Either update protoc, or use the descriptor.proto that came with the protoc you are using.






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            1 Answer
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            active

            oldest

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            active

            oldest

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            active

            oldest

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            up vote
            2
            down vote



            accepted










            Recent versions of descriptor.proto declare reserved fields - as an example line 439. This is a new syntax that was back-ported to proto2 syntax, but old versions of protoc won't understand it (understably). Either update protoc, or use the descriptor.proto that came with the protoc you are using.






            share|improve this answer

























              up vote
              2
              down vote



              accepted










              Recent versions of descriptor.proto declare reserved fields - as an example line 439. This is a new syntax that was back-ported to proto2 syntax, but old versions of protoc won't understand it (understably). Either update protoc, or use the descriptor.proto that came with the protoc you are using.






              share|improve this answer























                up vote
                2
                down vote



                accepted







                up vote
                2
                down vote



                accepted






                Recent versions of descriptor.proto declare reserved fields - as an example line 439. This is a new syntax that was back-ported to proto2 syntax, but old versions of protoc won't understand it (understably). Either update protoc, or use the descriptor.proto that came with the protoc you are using.






                share|improve this answer












                Recent versions of descriptor.proto declare reserved fields - as an example line 439. This is a new syntax that was back-ported to proto2 syntax, but old versions of protoc won't understand it (understably). Either update protoc, or use the descriptor.proto that came with the protoc you are using.







                share|improve this answer












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                answered Nov 15 at 20:13









                Marc Gravell

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                774k19021242538






























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