cpp protoc errors in example code

[br...@surround.io]

I tried running some of the protoc commands manually on a proto file I have created, but I've only been able to get the second command to work. 

$ protoc -I ../../protos --grpc_out=. --plugin=protoc-gen-grpc=`which grpc_cpp_plugin` ../../protos/route_guide.proto
$ protoc -I ../../protos --cpp_out=. ../../protos/route_guide.proto

The second command works as expected, but the first command spits out the following:

route_guide.pb.h: Tried to insert into file that doesn't exist.

route_guide.pb.h: Tried to insert into file that doesn't exist.

route_guide.pb.cc: Tried to insert into file that doesn't exist.

route_guide.pb.cc: Tried to insert into file that doesn't exist.

In order to see if this was user error, I cloned the example code and attempted to run the makefile, but I get similar results:

$ make

protoc -I ../../protos --cpp_out=. ../../protos/route_guide.proto

g++ -std=c++11 -I/home/me/ws/var/release/install/include -I/usr/local/include -pthread  -c -o route_guide.pb.o route_guide.pb.cc

protoc -I ../../protos --grpc_out=. --plugin=protoc-gen-grpc=`which grpc_cpp_plugin` ../../protos/route_guide.proto

route_guide.pb.h: Tried to insert into file that doesn't exist.

route_guide.pb.h: Tried to insert into file that doesn't exist.

route_guide.pb.cc: Tried to insert into file that doesn't exist.

route_guide.pb.cc: Tried to insert into file that doesn't exist.

make: *** [route_guide.grpc.pb.cc] Error 1

rm route_guide.pb.cc

Any guidance? 

[Nicolas Noble]

You're using an old version of the plugin. In this pull request, I have modified the way the plugin works. The examples and the way you're trying to compile is only representative of the new plugin.

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[Brian Dunlay]

I see. I am using the 0.6 release branch, which seems two days behind when your PR was merged. Guess bleeding the edge is where it's at. Thanks.

[Nicolas Noble]

If you actually want or need to stay at 0.6, then you need to run a single command, such as this:

$ protoc -I ../../protos --cpp_out=. --grpc_out=. --plugin=protoc-gen-grpc=`which grpc_cpp_plugin` ../../protos/route_guide.proto

[Brian Dunlay]

Great, thanks Nicholas.