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 24OPENTELEMETRY_LINK_LIBS = -lopentelemetry_metrics -lopentelemetry_exporter_ostream_metrics -lopentelemetry_resources -lopentelemetry_common 25 26HOST_SYSTEM = $(shell uname | cut -f 1 -d_) 27SYSTEM ?= $(HOST_SYSTEM) 28CXX = g++ 29CPPFLAGS += `pkg-config --cflags protobuf grpc absl_flags absl_flags_parse` 30CXXFLAGS += -std=c++17 31ifeq ($(SYSTEM),Darwin) 32LDFLAGS += -L/usr/local/lib `pkg-config --libs --static protobuf grpc++ grpcpp_otel_plugin absl_flags absl_flags_parse $(PROTOBUF_ABSL_DEPS)` \ 33 $(PROTOBUF_UTF8_RANGE_LINK_LIBS) \ 34 $(OPENTELEMETRY_LINK_LIBS) \ 35 -pthread \ 36 -lgrpc++_reflection \ 37 -ldl 38else 39LDFLAGS += -L/usr/local/lib `pkg-config --libs --static protobuf grpc++ grpcpp_otel_plugin absl_flags absl_flags_parse $(PROTOBUF_ABSL_DEPS)` \ 40 $(PROTOBUF_UTF8_RANGE_LINK_LIBS) \ 41 $(OPENTELEMETRY_LINK_LIBS) \ 42 -pthread \ 43 -Wl,--no-as-needed -lgrpc++_reflection -Wl,--as-needed \ 44 -ldl 45endif 46PROTOC = protoc 47GRPC_CPP_PLUGIN = grpc_cpp_plugin 48GRPC_CPP_PLUGIN_PATH ?= `which $(GRPC_CPP_PLUGIN)` 49 50PROTOS_PATH = ../../../protos 51 52vpath %.proto $(PROTOS_PATH) 53 54all: system-check greeter_callback_client greeter_callback_server 55 56greeter_callback_client: util.o helloworld.pb.o helloworld.grpc.pb.o greeter_callback_client.o 57 $(CXX) $^ $(LDFLAGS) -o $@ 58 59greeter_callback_server: util.o helloworld.pb.o helloworld.grpc.pb.o greeter_callback_server.o 60 $(CXX) $^ $(LDFLAGS) -o $@ 61 62.PRECIOUS: %.grpc.pb.cc 63%.grpc.pb.cc: %.proto 64 $(PROTOC) -I $(PROTOS_PATH) --grpc_out=. --plugin=protoc-gen-grpc=$(GRPC_CPP_PLUGIN_PATH) $< 65 66.PRECIOUS: %.pb.cc 67%.pb.cc: %.proto 68 $(PROTOC) -I $(PROTOS_PATH) --cpp_out=. $< 69 70util.o: ../util.cc 71 $(CXX) $^ -I . $(CPPFLAGS) $(CXXFLAGS) -c -o $@ 72 73clean: 74 rm -f *.o *.pb.cc *.pb.h greeter_callback_client greeter_callback_server 75 76 77# The following is to test your system and ensure a smoother experience. 78# They are by no means necessary to actually compile a grpc-enabled software. 79 80PROTOC_CMD = which $(PROTOC) 81PROTOC_CHECK_CMD = $(PROTOC) --version | grep -q 'libprotoc.3\|libprotoc [0-9][0-9]\.' 82PLUGIN_CHECK_CMD = which $(GRPC_CPP_PLUGIN) 83HAS_PROTOC = $(shell $(PROTOC_CMD) > /dev/null && echo true || echo false) 84ifeq ($(HAS_PROTOC),true) 85HAS_VALID_PROTOC = $(shell $(PROTOC_CHECK_CMD) 2> /dev/null && echo true || echo false) 86endif 87HAS_PLUGIN = $(shell $(PLUGIN_CHECK_CMD) > /dev/null && echo true || echo false) 88 89SYSTEM_OK = false 90ifeq ($(HAS_VALID_PROTOC),true) 91ifeq ($(HAS_PLUGIN),true) 92SYSTEM_OK = true 93endif 94endif 95 96system-check: 97ifneq ($(HAS_VALID_PROTOC),true) 98 @echo " DEPENDENCY ERROR" 99 @echo 100 @echo "You don't have protoc 3.0.0 or newer installed in your path." 101 @echo "Please install an up-to-date version of Google protocol buffers." 102 @echo "You can find it here:" 103 @echo 104 @echo " https://github.com/protocolbuffers/protobuf/releases" 105 @echo 106 @echo "Here is what I get when trying to evaluate your version of protoc:" 107 @echo 108 -$(PROTOC) --version 109 @echo 110 @echo 111endif 112ifneq ($(HAS_PLUGIN),true) 113 @echo " DEPENDENCY ERROR" 114 @echo 115 @echo "You don't have the grpc c++ protobuf plugin installed in your path." 116 @echo "Please install grpc. You can find it here:" 117 @echo 118 @echo " https://github.com/grpc/grpc" 119 @echo 120 @echo "Here is what I get when trying to detect if you have the plugin:" 121 @echo 122 -which $(GRPC_CPP_PLUGIN) 123 @echo 124 @echo 125endif 126ifneq ($(SYSTEM_OK),true) 127 @false 128endif 129