1SUBDIRS= src 2 3all: subdirs 4 5subdirs: 6 for dir in $(SUBDIRS); do \ 7 $(MAKE) -C $$dir; \ 8 done 9 10clean: 11 for dir in $(SUBDIRS) ; do \ 12 $(MAKE) -C $$dir clean; \ 13 done 14 15install: 16 for dir in $(SUBDIRS); do \ 17 $(MAKE) -C $$dir install; \ 18 done 19 20.PHONY: subdirs clean install 21