add tfproto files

sdk/tfproto/Makefile

@@ -0,0 +1,45 @@
+# Compiles all proto files from TensorFlow
+# Outputs .o, .h, .cc and .proto files.
+
+RM ?= rm -f
+rwildcard=$(foreach d,$(wildcard $1*),$(call rwildcard,$d/,$2) $(filter $(subst *,%,$2),$d))
+
+
+GRPC_CPP_PLUGIN_PATH ?= /usr/bin/grpc_cpp_plugin
+
+PROTOBUF_FILES := $(call rwildcard, $(API_PATH),*.proto)
+PROTOBUF_FILES_OUT := $(patsubst $(API_PATH)%,$(OUT_PATH)%,$(PROTOBUF_FILES))
+PROTOBUF_CC := $(patsubst %.proto,%.pb.cc,$(PROTOBUF_FILES_OUT))
+PROTOBUF_O := $(patsubst %.pb.cc,%.pb.o,$(PROTOBUF_CC))
+PROTOBUF_GRPC_O := $(patsubst %.pb.cc,%.grpc.pb.o,$(PROTOBUF_CC))
+
+# $(info $(PROTOBUF_GRPC_O))
+
+# Compiler flags
+CXXFLAGS += -std=c++17 -I$(OUT_PATH) -I/usr/include -Wno-psabi -Os
+
+.PHONY: clean default
+
+# Keep all intermediates (.cc and .proto)
+.SECONDARY:
+
+# Copy .proto files
+$(OUT_PATH)/%.proto: $(API_PATH)/%.proto 
+	mkdir -p $(@D)
+	cp $< $@
+
+$(OUT_PATH)/%.pb.cc $(OUT_PATH)/%.pb.h: $(API_PATH)/%.proto $(OUT_PATH)/%.proto | $(PROTOBUF_FILES_OUT)
+	protoc -I$(API_PATH) --cpp_out=$(OUT_PATH) $<
+
+$(OUT_PATH)/%.grpc.pb.cc $(OUT_PATH)/%.grpc.pb.h: $(API_PATH)/%.proto $(OUT_PATH)/%.proto | $(PROTOBUF_FILES_OUT)
+	protoc -I$(API_PATH) --grpc_out=$(OUT_PATH) --plugin=protoc-gen-grpc=$(GRPC_CPP_PLUGIN_PATH) $<
+
+# Build protobuf object files
+%.pb.o: %.pb.cc $(PROTOBUF_CC)
+	$(CXX) -c $(CXXFLAGS) -I$(OUT_PATH)  $< -o $@
+
+default: clean $(PROTOBUF_O) $(PROTOBUF_GRPC_O)
+
+clean:
+	$(RM) -r $(OUT_PATH)
+