1  all:
 2  	@set -e ; for d in $(DIRS); do \
 3  		$(MAKE) -C $$d ; \
 4  	done
 5  
 6  install:
 7  	@set -e ; for d in $(DIRS); do \
 8  		$(MAKE) -C $$d install ; \
 9  	done
10  
11  clean:
12  	@set -e; for d in $(DIRS); do \
13  		$(MAKE) -C $$d clean ; \
14  	done