make_test/make_demo/makefile

SUBDIRS = module_1\
	  module_2\
	  module_3\
	  main\
	  obj 
CFLAGS = -Wall -I ../include 
BIN = myapp 
OBJS = module_1.o module_2.o module_3.o main.o 
BIN_DIR = bin
OBJS_DIR = obj
export SUBDIRS OBJS_DIR BIN OBJS BIN_DIR CFLAGS 

all: CHECK_DIR $(SUBDIRS)  
CHECK_DIR:					
	mkdir -p $(BIN_DIR)  
$(SUBDIRS): ECHO   
	make -C $@  
ECHO:				
	@echo $(SUBDIRS)
	@echo begin compile

.PHONY: clean
clean:    
	@rm -rf $(OBJS_DIR)/*.o  
	@rm -rf $(BIN_DIR)