PREFIX ?= /usr/local SUBDIRS = fortune strfile datfiles all : for subdir in $(SUBDIRS); do $(MAKE) -C $$subdir PREFIX=$(PREFIX); done install : all for subdir in $(SUBDIRS); do $(MAKE) -C $$subdir DESTDIR=$(DESTDIR) PREFIX=$(PREFIX) install; done clean : for subdir in $(SUBDIRS); do $(MAKE) -C $$subdir clean; done