#-----------------------------------------------------------------------------#
# Copyright (C) 1995 University of Melbourne.
# This file may only be copied under the terms of the GNU General
# Public License - see the file COPYING in the Mercury distribution.
#-----------------------------------------------------------------------------#

# Mmake.rules - rules for building Mercury programs

main_target: $(MAIN_TARGET)

#-----------------------------------------------------------------------------#

.SUFFIXES: .pp .m .nl .no .err .int .int2 .dep .depend .doit .ugly \
		.date .mod .c .nu .o .pic_o .s .garb .mod_h .ql .pl

.PRECIOUS: %.date

# All the builtin rules must use $@ as the target, so that they work
# when $(VPATH) is set.

.pp.m:
	@-[ ! -f $@ ] || chmod +w $@
	sed '/^#if *NU_PROLOG/,/^#endif/s/.*//' $< > $@
	@-chmod -w $@

.m.no:
	$(MNC) $(MNCFLAGS) -o $@ $<

.nl.no:
	$(MNC) $(MNCFLAGS) -o $@ $<

.m.ql:
	$(MSC) $(MSCFLAGS) -o $@ $<

.nl.ql:
	$(MSC) $(MSCFLAGS) -o $@ $<

.m.pl:
	sicstus_conv $<

.nl.pl:
	sicstus_conv $<

# The `touch' is necessary, since otherwise if
# the old .err file was of size zero and
# the new .err file is also of size zero,
# the time-stamp doesn't get updated!
# (Is that a bug in unix? In bash?)

.m.err:
	$(MC) $(MCFLAGS) $< > $@ 2>&1
	@touch $@

.m.date:
	$(MCI) $(MCFLAGS) $(MCIFLAGS) $<

# do not remove the whitespace in the following two rules!

.date.int:
	

.date.int2:
	

.m.garb:
	$(MCG) --garbage-collection accurate $(MCGFLAGS) $<

.m.ugly:
	$(MC) --convert-to-mercury $(MCFLAGS) $<

.m.dep:
	@-[ ! -f $*.dep ] || chmod +w $*.dep
	$(MCD) $(MCDFLAGS) $<
	@-chmod -w $*.dep

.m.depend:
	@-[ ! -f $*.dep ] || chmod +w $*.dep
	$(MCD) $(MCDFLAGS) $<
	@-chmod -w $*.dep
	-rm -f $*_init.c

.dep.doit:
	sed -e ':a' -e '/\\/N' -e 's/\\\n	//' -e 't a' $< |  \
	tee tmp | \
	grep 'srcs *=' | \
	sed	-e 's/.*=/:-[ '\''nu_library.doit'\'', /' \
		-e 's/\.nl/,/g' \
		-e 's/$$/ portray ]./' \
		> $@

.m.c:
	rm -f $*.c
	$(MCG) -s $(GRADE) $(MCGFLAGS) $< > $*.err2 2>&1

# the next rule should be needed only in runtime in a short while

.mod.c:
	[ -f $< ] && $(MOD2C) -s$(GRADE) $(MOD2CFLAGS) $< > $@

# the next rule will need changing (probably by Tyson)

.mod.mod_h:
	[ -f $< ] && $(MOD2H) -s$(GRADE) $(MOD2HFLAGS) $< > $@

.c.o:
	$(MGNUC) -s$(GRADE) $(MGNUCFLAGS) -c $< -o $@

.c.pic_o:
	$(MGNUC) -s$(GRADE) $(MGNUCFLAGS) $(PIC) -c $< -o $@

.c.s:
	$(MGNUC) -s$(GRADE) $(MGNUCFLAGS) -S $< -o $@

#-----------------------------------------------------------------------------#

# Clean up some mess

# You can attach new dependencies to the `clean' and `realclean' targets
# to make them clean up more than just the stuff listed here.

.PHONY: clean
clean: sub_clean

.PHONY: sub_clean
sub_clean:
	for dep in *.dep ; do mmake "`basename $$dep .dep`.clean" ; done

.PHONY: realclean
realclean: sub_realclean

.PHONY: sub_realclean
sub_realclean:
	for dep in *.dep ; do mmake "`basename $$dep .dep`.realclean" ; done

.PHONY: clean_nu
clean_nu: sub_clean_nu

.PHONY: sub_clean_nu
sub_clean_nu:
	for dep in *.dep ; do mmake "`basename $$dep .dep`.clean_nu" ; done

.PHONY: clean_sicstus
clean_sicstus: sub_clean_sicstus

.PHONY: sub_clean_sicstus
sub_clean_sicstus:
	for dep in *.dep ; do mmake "`basename $$dep .dep`.clean_sicstus" ; done

#-----------------------------------------------------------------------------#