SUBDIRS ?= make

local-%:
	find . -name $@.mk | \
		while read f; do (\
			cd `dirname $$f` ;\
			rm -f local.mk ;\
			ln -s `basename $$f` local.mk ;\
		) done

unlocal:
	rm -f $(shell find . -name local.mk)

all setup install clean distclean:
	set -e; for d in $(SUBDIRS); do make -C $$d $@; done