Compiling protobuf protocol files using makefile in PHP

• Makefile   

WORK_DIR=$(shell pwd)
PROTO_FILES=$(WORK_DIR)/Application/Protofiles/*.proto
PHP_OUT_DIR=$(WORK_DIR)/Application/Protocols/

.PHONY: msg

msg:
   @echo build begin
   protoc -I=$(WORK_DIR)/Application/Protofiles --php_out=$(PHP_OUT_DIR) $(PROTO_FILES)
   @echo build end

Usage method ( Terminal execution )：

～# make msg