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1#
2# Copyright 2015 gRPC authors.
3#
4# Licensed under the Apache License, Version 2.0 (the "License");
5# you may not use this file except in compliance with the License.
6# You may obtain a copy of the License at
7#
8#     http://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS,
12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15#
16
17HOST_SYSTEM = $(shell uname | cut -f 1 -d_)
18SYSTEM ?= $(HOST_SYSTEM)
19CXX = g++
20CPPFLAGS += `pkg-config --cflags protobuf grpc`
21CXXFLAGS += -std=c++11
22ifeq ($(SYSTEM),Darwin)
23LDFLAGS += -L/usr/local/lib `pkg-config --libs protobuf grpc++`\
24           -lgrpc++_reflection\
25           -ldl
26else
27LDFLAGS += -L/usr/local/lib `pkg-config --libs protobuf grpc++`\
28           -Wl,--no-as-needed -lgrpc++_reflection -Wl,--as-needed\
29           -ldl
30endif
31PROTOC = protoc
32GRPC_CPP_PLUGIN = grpc_cpp_plugin
33GRPC_CPP_PLUGIN_PATH ?= `which $(GRPC_CPP_PLUGIN)`
34
35PROTOS_PATH = ../../protos
36
37vpath %.proto $(PROTOS_PATH)
38
39all: system-check route_guide_client route_guide_server
40
41route_guide_client: route_guide.pb.o route_guide.grpc.pb.o route_guide_client.o helper.o
42	$(CXX) $^ $(LDFLAGS) -o $@
43
44route_guide_server: route_guide.pb.o route_guide.grpc.pb.o route_guide_server.o helper.o
45	$(CXX) $^ $(LDFLAGS) -o $@
46
47%.grpc.pb.cc: %.proto
48	$(PROTOC) -I $(PROTOS_PATH) --grpc_out=. --plugin=protoc-gen-grpc=$(GRPC_CPP_PLUGIN_PATH) $<
49
50%.pb.cc: %.proto
51	$(PROTOC) -I $(PROTOS_PATH) --cpp_out=. $<
52
53clean:
54	rm -f *.o *.pb.cc *.pb.h route_guide_client route_guide_server
55
56
57# The following is to test your system and ensure a smoother experience.
58# They are by no means necessary to actually compile a grpc-enabled software.
59
60PROTOC_CMD = which $(PROTOC)
61PROTOC_CHECK_CMD = $(PROTOC) --version | grep -q libprotoc.3
62PLUGIN_CHECK_CMD = which $(GRPC_CPP_PLUGIN)
63HAS_PROTOC = $(shell $(PROTOC_CMD) > /dev/null && echo true || echo false)
64ifeq ($(HAS_PROTOC),true)
65HAS_VALID_PROTOC = $(shell $(PROTOC_CHECK_CMD) 2> /dev/null && echo true || echo false)
66endif
67HAS_PLUGIN = $(shell $(PLUGIN_CHECK_CMD) > /dev/null && echo true || echo false)
68
69SYSTEM_OK = false
70ifeq ($(HAS_VALID_PROTOC),true)
71ifeq ($(HAS_PLUGIN),true)
72SYSTEM_OK = true
73endif
74endif
75
76system-check:
77ifneq ($(HAS_VALID_PROTOC),true)
78	@echo " DEPENDENCY ERROR"
79	@echo
80	@echo "You don't have protoc 3.0.0 installed in your path."
81	@echo "Please install Google protocol buffers 3.0.0 and its compiler."
82	@echo "You can find it here:"
83	@echo
84	@echo "   https://github.com/google/protobuf/releases/tag/v3.0.0"
85	@echo
86	@echo "Here is what I get when trying to evaluate your version of protoc:"
87	@echo
88	-$(PROTOC) --version
89	@echo
90	@echo
91endif
92ifneq ($(HAS_PLUGIN),true)
93	@echo " DEPENDENCY ERROR"
94	@echo
95	@echo "You don't have the grpc c++ protobuf plugin installed in your path."
96	@echo "Please install grpc. You can find it here:"
97	@echo
98	@echo "   https://github.com/grpc/grpc"
99	@echo
100	@echo "Here is what I get when trying to detect if you have the plugin:"
101	@echo
102	-which $(GRPC_CPP_PLUGIN)
103	@echo
104	@echo
105endif
106ifneq ($(SYSTEM_OK),true)
107	@false
108endif
109