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