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 ?= $(HOST_SYSTEM) 27CXX = g++ 28CPPFLAGS += `pkg-config --cflags protobuf grpc absl_flags absl_flags_parse` 29CXXFLAGS += -std=c++17 30ifeq ($(SYSTEM),Darwin) 31LDFLAGS += -L/usr/local/lib `pkg-config --libs --static protobuf grpc++ $(PROTOBUF_ABSL_DEPS)`\ 32 $(PROTOBUF_UTF8_RANGE_LINK_LIBS) \ 33 -labsl_flags_parse -labsl_absl_log -labsl_log_globals -labsl_log_initialize 34 -pthread\ 35 -lgrpc++_reflection\ 36 -ldl 37else 38LDFLAGS += -L/usr/local/lib `pkg-config --libs --static protobuf grpc++ absl_flags absl_flags_parse $(PROTOBUF_ABSL_DEPS)`\ 39 $(PROTOBUF_UTF8_RANGE_LINK_LIBS) \ 40 -pthread\ 41 -Wl,--no-as-needed -lgrpc++_reflection -Wl,--as-needed\ 42 -ldl 43endif 44PROTOC = protoc 45GRPC_CPP_PLUGIN = grpc_cpp_plugin 46GRPC_CPP_PLUGIN_PATH ?= `which $(GRPC_CPP_PLUGIN)` 47 48PROTOS_PATH = ../../protos 49 50vpath %.proto $(PROTOS_PATH) 51 52all: system-check route_guide_client route_guide_server 53 54route_guide_client: route_guide.pb.o route_guide.grpc.pb.o route_guide_client.o helper.o 55 $(CXX) $^ $(LDFLAGS) -o $@ 56 57route_guide_server: route_guide.pb.o route_guide.grpc.pb.o route_guide_server.o helper.o 58 $(CXX) $^ $(LDFLAGS) -o $@ 59 60%.grpc.pb.cc: %.proto 61 $(PROTOC) -I $(PROTOS_PATH) --grpc_out=. --plugin=protoc-gen-grpc=$(GRPC_CPP_PLUGIN_PATH) $< 62 63%.pb.cc: %.proto 64 $(PROTOC) -I $(PROTOS_PATH) --cpp_out=. $< 65 66clean: 67 rm -f *.o *.pb.cc *.pb.h route_guide_client route_guide_server 68 69 70# The following is to test your system and ensure a smoother experience. 71# They are by no means necessary to actually compile a grpc-enabled software. 72 73PROTOC_CMD = which $(PROTOC) 74PROTOC_CHECK_CMD = $(PROTOC) --version | grep -q 'libprotoc.3\|libprotoc [0-9][0-9]\.' 75PLUGIN_CHECK_CMD = which $(GRPC_CPP_PLUGIN) 76HAS_PROTOC = $(shell $(PROTOC_CMD) > /dev/null && echo true || echo false) 77ifeq ($(HAS_PROTOC),true) 78HAS_VALID_PROTOC = $(shell $(PROTOC_CHECK_CMD) 2> /dev/null && echo true || echo false) 79endif 80HAS_PLUGIN = $(shell $(PLUGIN_CHECK_CMD) > /dev/null && echo true || echo false) 81 82SYSTEM_OK = false 83ifeq ($(HAS_VALID_PROTOC),true) 84ifeq ($(HAS_PLUGIN),true) 85SYSTEM_OK = true 86endif 87endif 88 89system-check: 90ifneq ($(HAS_VALID_PROTOC),true) 91 @echo " DEPENDENCY ERROR" 92 @echo 93 @echo "You don't have protoc 3.0.0 or newer installed in your path." 94 @echo "Please install an up-to-date version of Google protocol buffers." 95 @echo "You can find it here:" 96 @echo 97 @echo " https://github.com/protocolbuffers/protobuf/releases" 98 @echo 99 @echo "Here is what I get when trying to evaluate your version of protoc:" 100 @echo 101 -$(PROTOC) --version 102 @echo 103 @echo 104endif 105ifneq ($(HAS_PLUGIN),true) 106 @echo " DEPENDENCY ERROR" 107 @echo 108 @echo "You don't have the grpc c++ protobuf plugin installed in your path." 109 @echo "Please install grpc. You can find it here:" 110 @echo 111 @echo " https://github.com/grpc/grpc" 112 @echo 113 @echo "Here is what I get when trying to detect if you have the plugin:" 114 @echo 115 -which $(GRPC_CPP_PLUGIN) 116 @echo 117 @echo 118endif 119ifneq ($(SYSTEM_OK),true) 120 @false 121endif 122