# Copyright (c) 2018 Simon Hudon. All rights reserved.
# Released under Apache 2.0 license as described in the file LICENSE.
# Authors: Simon Hudon, Sebastian Ullrich, Leonardo de Moura
LEAN = ../bin/lean
SRCS = $(shell find . -name '*.lean')
OBJS = $(SRCS:.lean=.olean)
DEPS = $(SRCS:.lean=.depend)
OPTS = @LEAN_EXTRA_MAKE_OPTS@
BOOT_DIR = ../src/boot
CPPS = $(addprefix $(BOOT_DIR)/,$(patsubst %.lean,%.cpp,$(SRCS)))
# ensure deterministic ordering
CPPS_CORE=$(sort $(patsubst %.lean,%.cpp,$(SRCS)))

.PHONY: all clean

all: $(OBJS)

depends: $(DEPS)

%.depend: %.lean
	@echo $(<:.lean=.olean): `$(LEAN) --deps $< | python relative.py` > $@

%.olean: %.lean %.depend
	$(LEAN) $(OPTS) --make $<
# make sure the .olean file is newer than the .depend file to prevent infinite make cycles
	@touch $@

clean:
	find . -name *.olean -delete
	find . -name *.depend -delete

$(BOOT_DIR)/%.cpp: %.lean %.olean
	@mkdir -p $(@D)
	$(LEAN) $(OPTS) --cpp=$@ $<

updatecpp: $(CPPS)
	echo "add_library (boot OBJECT $(CPPS_CORE))" > $(BOOT_DIR)/CMakeLists.txt

cleancpp:
	find $(BOOT_DIR) -name '*.cpp' -delete

.PRECIOUS: %.depend

include $(DEPS)