SUBDIRS = hello runl4 enter_kdebug killall

world:	all
all:
	for i in $(SUBDIRS); do          \
	  if ! $(MAKE) -C $$i; then      \
	    exit 1;                      \
          fi                             \
	done

clean:	
	for i in $(SUBDIRS); do          \
	  $(MAKE) -C $$i clean;          \
	done

