# Use "make VERBOSE=1" to have full commands printed out.
VERBOSE = 0
ifeq ($(VERBOSE),1)
Q =
else
Q = @
endif


# Use "make IMPLEMENTATION=..." to compile against other versions.
IMPLEMENTATION = ref

test_dir := $(dir $(lastword $(MAKEFILE_LIST)))
root_dir = $(test_dir)..
results_dir = $(root_dir)/results/$(mode)-$(keylen)
src_dir = $(root_dir)/src/$(IMPLEMENTATION)
variant_dir = $(root_dir)/src/$(mode)-$(keylen)


nist_flags = -std=c99 -Wall -Wextra -Wshadow -fsanitize=address,undefined -O2
CFLAGS += -I$(src_dir) -I$(variant_dir) -I$(test_dir) $(nist_flags) -Werror
LDFLAGS += $(nist_flags)


include $(src_dir)/implem.mk


.PHONY: clean test $(tests) traces $(traces)


clean:
	- rm -r $(results_dir)

$(results_dir) $(results_dir)/src $(results_dir)/test:
	@ mkdir -p $@

test: $(tests)
trace: $(traces)

$(tests): test-%: $(results_dir)/test-%
	@ echo "TEST $@"
	$(Q) $<

$(traces): traces-%: $(results_dir)/traces-%
	@ echo "TRACES $@"
	$(Q) $< $(results_dir) $*-$(mode)-$(keylen)

$(results_dir)/test-%: $(results_dir)/test/test-%.o
	@ echo "LD $@"
	$(Q) gcc $^ $(LDFLAGS) -o $@

$(results_dir)/traces-%: $(results_dir)/test/traces-%.o
	@ echo "LD $@"
	$(Q) gcc $^ $(LDFLAGS) -o $@

$(results_dir)/test/%.o: %.c $(test_dir)/test-helpers.h | $(results_dir)/test
	@ echo "CC $@"
	$(Q) gcc -c $< $(CFLAGS) -o $@

$(results_dir)/src/%.o: $(src_dir)/%.c | $(results_dir)/src
	@ echo "CC $@"
	$(Q) gcc -c $< $(CFLAGS) -o $@


# TODO: add valgrind, although it does not seem to play well with ASAN
# TODO: use gcc -M... to generate .o -> .h dependencies