From c6f350d2c01f4585b3515d6749988be480c3d447 Mon Sep 17 00:00:00 2001
From: Michael Darakananda <pongad@google.com>
Date: Wed, 27 Jul 2016 09:44:34 +1000
Subject: [PATCH] Remove Go-specific logic from Makefile (#60)

Since Go is no longer generated from this repo,
make will now error if we set LANGUAGE=go.
---
 Makefile | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/Makefile b/Makefile
index bc83d0121..7546fc1f3 100644
--- a/Makefile
+++ b/Makefile
@@ -23,19 +23,15 @@ PROTOINCLUDE ?= /usr/local/include
 # NOTE: if "protoc" command is not in the PATH, you need to modify this file.
 #
 
-FLAGS+= --proto_path=.:$(PROTOINCLUDE)
 ifeq ($(LANGUAGE),go)
-	FLAGS+= --$(LANGUAGE)_out=plugins=grpc:$(OUTPUT)
-else
-	FLAGS+= --$(LANGUAGE)_out=$(OUTPUT) --grpc_out=$(OUTPUT)
-	FLAGS+=	--plugin=protoc-gen-grpc=$(GPRCPLUGIN)
+$(error Go source files are not generated from this repository. See: https://github.com/google/go-genproto)
 endif
 
-ifeq ($(LANGUAGE),go)
-SUFFIX:= pb.go
-else
+FLAGS+= --proto_path=.:$(PROTOINCLUDE)
+FLAGS+= --$(LANGUAGE)_out=$(OUTPUT) --grpc_out=$(OUTPUT)
+FLAGS+=	--plugin=protoc-gen-grpc=$(GPRCPLUGIN)
+
 SUFFIX:= pb.cc
-endif
 
 DEPS:= $(shell find google $(PROTOINCLUDE)/google/protobuf -type f -name '*.proto' | sed "s/proto$$/$(SUFFIX)/")