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 17# TODO(jtattermusch): Remove the hack to workaround protobuf bug. See https://github.com/protocolbuffers/protobuf/issues/12439 18# Hack: protobuf currently doesn't declare it's absl dependencies when protobuf.pc pkgconfig file is used. 19PROTOBUF_ABSL_DEPS = absl_absl_check absl_absl_log absl_algorithm absl_base absl_bind_front absl_bits absl_btree absl_cleanup absl_cord absl_core_headers absl_debugging absl_die_if_null absl_dynamic_annotations absl_flags absl_flat_hash_map absl_flat_hash_set absl_function_ref absl_hash absl_layout absl_log_initialize absl_log_severity absl_memory absl_node_hash_map absl_node_hash_set absl_optional absl_span absl_status absl_statusor absl_strings absl_synchronization absl_time absl_type_traits absl_utility absl_variant 20# TODO(jtattermusch): Remove the hack to workaround protobuf/utf8_range bug. See https://github.com/protocolbuffers/utf8_range/issues/20 21# Hack: utf8_range (which is protobuf's dependency) currently doesn't have a pkgconfig file, so we need to explicitly 22# tweak the list of libraries to link against to fix the build. 23PROTOBUF_UTF8_RANGE_LINK_LIBS = -lutf8_validity 24 25HOST_SYSTEM = $(shell uname | cut -f 1 -d_) 26SYSTEM ?= $(HOST_SYSTEM) 27CXX = g++ 28CPPFLAGS += `pkg-config --cflags protobuf grpc absl_flags absl_flags_parse` 29CXXFLAGS += -std=c++14 30ifeq ($(SYSTEM),Darwin) 31LDFLAGS += -L/usr/local/lib `pkg-config --libs --static protobuf grpc++ absl_flags absl_flags_parse $(PROTOBUF_ABSL_DEPS)`\ 32 $(PROTOBUF_UTF8_RANGE_LINK_LIBS) \ 33 -pthread\ 34 -lgrpc++_reflection\ 35 -ldl 36else 37LDFLAGS += -L/usr/local/lib `pkg-config --libs --static protobuf grpc++ absl_flags absl_flags_parse $(PROTOBUF_ABSL_DEPS)`\ 38 $(PROTOBUF_UTF8_RANGE_LINK_LIBS) \ 39 -pthread\ 40 -Wl,--no-as-needed -lgrpc++_reflection -Wl,--as-needed\ 41 -ldl 42endif 43PROTOC = protoc 44GRPC_CPP_PLUGIN = grpc_cpp_plugin 45GRPC_CPP_PLUGIN_PATH ?= `which $(GRPC_CPP_PLUGIN)` 46 47PROTOS_PATH = ../../protos 48 49vpath %.proto $(PROTOS_PATH) 50 51all: system-check greeter_client greeter_server greeter_async_client greeter_async_client2 greeter_async_server greeter_callback_client greeter_callback_server 52 53greeter_client: helloworld.pb.o helloworld.grpc.pb.o greeter_client.o 54 $(CXX) $^ $(LDFLAGS) -o $@ 55 56greeter_server: helloworld.pb.o helloworld.grpc.pb.o greeter_server.o 57 $(CXX) $^ $(LDFLAGS) -o $@ 58 59greeter_async_client: helloworld.pb.o helloworld.grpc.pb.o greeter_async_client.o 60 $(CXX) $^ $(LDFLAGS) -o $@ 61 62greeter_async_client2: helloworld.pb.o helloworld.grpc.pb.o greeter_async_client2.o 63 $(CXX) $^ $(LDFLAGS) -o $@ 64 65greeter_async_server: helloworld.pb.o helloworld.grpc.pb.o greeter_async_server.o 66 $(CXX) $^ $(LDFLAGS) -o $@ 67 68greeter_callback_client: helloworld.pb.o helloworld.grpc.pb.o greeter_callback_client.o 69 $(CXX) $^ $(LDFLAGS) -o $@ 70 71greeter_callback_server: helloworld.pb.o helloworld.grpc.pb.o greeter_callback_server.o 72 $(CXX) $^ $(LDFLAGS) -o $@ 73 74.PRECIOUS: %.grpc.pb.cc 75%.grpc.pb.cc: %.proto 76 $(PROTOC) -I $(PROTOS_PATH) --grpc_out=. --plugin=protoc-gen-grpc=$(GRPC_CPP_PLUGIN_PATH) $< 77 78.PRECIOUS: %.pb.cc 79%.pb.cc: %.proto 80 $(PROTOC) -I $(PROTOS_PATH) --cpp_out=. $< 81 82clean: 83 rm -f *.o *.pb.cc *.pb.h greeter_client greeter_server greeter_async_client greeter_async_client2 greeter_async_server greeter_callback_client greeter_callback_server 84 85 86# The following is to test your system and ensure a smoother experience. 87# They are by no means necessary to actually compile a grpc-enabled software. 88 89PROTOC_CMD = which $(PROTOC) 90PROTOC_CHECK_CMD = $(PROTOC) --version | grep -q 'libprotoc.3\|libprotoc [0-9][0-9]\.' 91PLUGIN_CHECK_CMD = which $(GRPC_CPP_PLUGIN) 92HAS_PROTOC = $(shell $(PROTOC_CMD) > /dev/null && echo true || echo false) 93ifeq ($(HAS_PROTOC),true) 94HAS_VALID_PROTOC = $(shell $(PROTOC_CHECK_CMD) 2> /dev/null && echo true || echo false) 95endif 96HAS_PLUGIN = $(shell $(PLUGIN_CHECK_CMD) > /dev/null && echo true || echo false) 97 98SYSTEM_OK = false 99ifeq ($(HAS_VALID_PROTOC),true) 100ifeq ($(HAS_PLUGIN),true) 101SYSTEM_OK = true 102endif 103endif 104 105system-check: 106ifneq ($(HAS_VALID_PROTOC),true) 107 @echo " DEPENDENCY ERROR" 108 @echo 109 @echo "You don't have protoc 3.0.0 or newer installed in your path." 110 @echo "Please install an up-to-date version of Google protocol buffers." 111 @echo "You can find it here:" 112 @echo 113 @echo " https://github.com/protocolbuffers/protobuf/releases" 114 @echo 115 @echo "Here is what I get when trying to evaluate your version of protoc:" 116 @echo 117 -$(PROTOC) --version 118 @echo 119 @echo 120endif 121ifneq ($(HAS_PLUGIN),true) 122 @echo " DEPENDENCY ERROR" 123 @echo 124 @echo "You don't have the grpc c++ protobuf plugin installed in your path." 125 @echo "Please install grpc. You can find it here:" 126 @echo 127 @echo " https://github.com/grpc/grpc" 128 @echo 129 @echo "Here is what I get when trying to detect if you have the plugin:" 130 @echo 131 -which $(GRPC_CPP_PLUGIN) 132 @echo 133 @echo 134endif 135ifneq ($(SYSTEM_OK),true) 136 @false 137endif 138