If you have two proto files, you may want to have the things done in the example twice; one for main.proto and the other for commonutil.proto. And others are pretty regular cmake wiring; You can have a single proto target including two generated sources or two proto target having a dependency.
On Thursday, December 24, 2020 at 9:57:05 AM UTC-8 Eric Smith wrote: > Based on a [HelloWorld][1] from grpc, I have created a project with my own > proto file. This proto file also imports another proto file in the same > directory: > > MainProto.proto: > > syntax = "proto3"; > > package MyProject; > option csharp_namespace = "MyProject"; > > option optimize_for = SPEED; > option cc_enable_arenas = true; > import "google/protobuf/empty.proto"; > import "google/protobuf/timestamp.proto"; > import "google/protobuf/wrappers.proto"; > import "CommonUtils.proto"; > .... > > Followed by a bunch of enums, messages and services, some of which use the > enums/messages from CommonUtils.proto. > > In the CMakeLists.txt file, I generate the .cc and .hh based on the > MainProto.proto file. However, this does not seem to generate the necessary > files for CommonUtils.proto, which are then detected as errors in > MainProto.pb.h and the other generated header files. > > My question is: > > 1. How do I modify my CMakeLists or Makefile to also build the headers > and cc files for CommonUtils? > > 2. How do I link the generated files together to avoid "unresolved > external symbol" errors? > > I have tried replacing the proto file in my CMakeList.txt file (the lines > # Proto file and # Generating source) with the CommonUtils.proto, and then > replacing it and running with the original MainProto.proto, but I get a > bunch of unresolved external symbol errors in the generated MainProto.pb.h > for all the fields that should be imported from CommonUtils.proto. > > My CMakeLists.txt is similar to the HelloWorld, with only > greeter_async_client and greeter_async_server and the rest removed, and my > Makefile is the same as the example. > > See my full file text in nice formatting here > https://stackoverflow.com/questions/65433642/linking-imported-proto-file-in-cmakelists-txt > -- 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+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/grpc-io/29675aeb-0386-4f06-a61d-206563a22721n%40googlegroups.com.
