Add comments for serialization

Author: wintel2014

Network/thrift/serialization/Makefile

@@ -1,5 +1,9 @@
-serialization_deserialization:serialization_deserialization.cpp
-	g++ -g $^ gen-cpp/student_constants.cpp gen-cpp/student_types.cpp -I/usr/local/include/thrift/ -lthrift -o $@
+BIN = serialization_deserialization
+$(BIN):$(BIN).cpp gen-cpp
+	g++ -g3 $< gen-cpp/student_constants.cpp gen-cpp/student_types.cpp -I/usr/local/include/thrift/ -lthrift -o $@
 
-gen_cpp_files:
+gen-cpp:
 	thrift -r --gen cpp student.thrift 
+
+clean:
+	rm -rf gen-cpp $(BIN)