[P4-dev] Right version of protobuf to use?

Alan Lo alanlo at mellanox.com
Wed Nov 29 03:03:14 EST 2017

Also, to add, I am building grpc 1.7.0, which seems to require protobuf 3.4.x
Is going with an earlier version of grpc work as well? (I believe grpc 1.01 needs protobuf 3.0.2)


From: Alan Lo <alanlo at mellanox.com<mailto:alanlo at mellanox.com>>
Date: Wednesday, November 29, 2017 at 9:21 AM
To: "p4-dev at lists.p4.org<mailto:p4-dev at lists.p4.org>" <p4-dev at lists.p4.org<mailto:p4-dev at lists.p4.org>>
Subject: Right version of protobuf to use?


I  am building a p4runtime for a new target, so was looking at the grpc_demo app in the PI repository. It looks like the latest PI requires protobuf 3.4 (otherwise there is a known compile error in grpc). However, p4c-16 itself, in the README.md, says to stick with 3.0.x.

Does anyone know if p4c has any known problems with protobuf 3.4.x, as it is a pain to have two different versions of protoc in our dev environment.

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