TOP := $(dir $(lastword $(MAKEFILE_LIST)))
DIR = $(shell pwd)
LEAN_FILES = $(shell find $(DIR) -type f -name '*.lean')
OLEAN_FILES = $(LEAN_FILES:.lean=.olean)
DEP_FILES = $(LEAN_FILES:.lean=.d)

all: $(OLEAN_FILES) $(DEP_FILES)

%.olean: %.lean
	$(LEAN) $(LEAN_OPTIONS) $< -o $@

%.olean: %.lua
	$(LEAN) $(LEAN_OPTIONS) $< -o $@

%.d: %.lean
	@echo Making dependency file \'$@\' ...
	@printf "$(basename $@).olean : $< $@ " > $@
	@$(LEAN) --deps $< | tr "\n" " " >> $@

-include $(LEAN_FILES:.lean=.d)

.PHONY: all clean

clean:
	rm -f *.olean *.d