SRCS = step0_repl.vhdl step1_read_print.vhdl step2_eval.vhdl step3_env.vhdl \
       step4_if_fn_do.vhdl step5_tco.vhdl step6_file.vhdl step7_quote.vhdl \
       step8_macros.vhdl step9_try.vhdl stepA_mal.vhdl
OBJS = $(SRCS:%.vhdl=%.o)
BINS = $(OBJS:%.o=%)
OTHER_SRCS = pkg_readline.vhdl types.vhdl printer.vhdl reader.vhdl env.vhdl core.vhdl
OTHER_OBJS = $(OTHER_SRCS:%.vhdl=%.o)

#####################

all: $(BINS)

dist: mal

mal: $(word $(words $(BINS)),$(BINS))
	cp $< $@

work-obj93.cf: $(OTHER_SRCS)
	rm -f work-obj93.cf
	ghdl -i $+

$(OTHER_OBJS):  %.o: %.vhdl work-obj93.cf
	ghdl -a -g $(@:%.o=%.vhdl)

$(OBJS): %.o: %.vhdl $(OTHER_OBJS)
	ghdl -a -g $(@:%.o=%.vhdl)

$(patsubst %.o,%,$(filter step%,$(OBJS))): $(OTHER_OBJS)
$(BINS): %: %.o
	ghdl -e -g $@
	# ghdl linker creates a lowercase executable; rename it to stepA_mal
	if [ "$@" = "stepA_mal" ]; then mv stepa_mal $@; fi

clean:
	rm -f $(OBJS) $(BINS) $(OTHER_OBJS) work-obj93.cf mal