makefile传递不了变量....求助

[陆远]

主makefile是这么写的

subsystem:
	$(MAKE) -C pugixml
	$(MAKE) -C xml_read

EXEC_NAME=tools

#./Share/shared/base/build/libsharedbase.a.1.0.0

CURENT_DIR=$(shell pwd)

export INCLUDE_DIR= -I  $(CURENT_DIR)/ \
				    -I  $(CURENT_DIR)/pugixml/ \
					-I	$(CURENT_DIR)/data_templ/ \
					-I  $(CURENT_DIR)/xml_read/ \
					-I  $(CURENT_DIR)/zlib/ \
					-I  $(CURENT_DIR)/pugixml/ \
					-I  $(CURENT_DIR)/Shared/

CXX=g++
CXXFLAGS= -g -Wall

.PHONY : clean
clean:
	$(MAKE) clean -C pugixml

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这个是次makefile

#xml_read makefil


xml_read_src = \
	xml_read.cpp

xml_read = libxmlread.a

xml_read_o=$(xml_read_src:.cpp=.o)

MOVE_O= mv $(xml_read) $(xml_read_o) ../

$(xml_read) : $(xml_read_o) 
	$(AR) -r -o $@ $< 

%.o : %.c
	$(CXX) $(CXXFLAGS) -o $@ $< $(INCLUDE_DIR)

然后出错

[陆远]

INCLUDE_DIR 没传下去 要不然会打出来 的！！！

[lsjfdjoijvtghu]

深感我好垃圾