H=@

# This Makefile must be included by another one defining:
#  $PACKAGE
#  $PREDICATES
#  $INTERFACE_FILES
#  $IMPLEMENTATION_FILES
#  $EXTRA_OBJECTS_TO_INSTALL
#  $EXTRA_OBJECTS_TO_CLEAN
# and put in a directory where there is a .depend file.

# $OCAMLFIND must be set to a meaningful vaule, including OCAMLPATH=

PREPROCOPTIONS = -pp camlp4o
SYNTAXOPTIONS = -syntax camlp4o
PREREQ =
OCAMLOPTIONS = -package "$(REQUIRES)" -predicates "$(PREDICATES)" -thread
OCAMLDEBUGOPTIONS = -g
OCAMLARCHIVEOPTIONS =
REQUIRES := $(shell $(OCAMLFIND) -query -format '%(requires)' helm-$(PACKAGE))
OCAMLC = $(OCAMLFIND) ocamlc $(OCAMLDEBUGOPTIONS) $(OCAMLOPTIONS) $(PREPROCOPTIONS)
OCAMLOPT = $(OCAMLFIND) opt $(OCAMLOPTIONS) $(PREPROCOPTIONS)
OCAMLDEP = $(OCAMLFIND) ocamldep -package "camlp4 $(CAMLP4REQUIRES)" $(SYNTAXOPTIONS) $(OCAMLDEPOPTIONS) 
OCAMLLEX = ocamllex
OCAMLYACC = ocamlyacc

OCAMLC_P4 = $(OCAMLFIND) ocamlc $(OCAMLDEBUGOPTIONS) $(OCAMLOPTIONS) $(SYNTAXOPTIONS)
OCAMLOPT_P4 = $(OCAMLFIND) opt $(OCAMLOPTIONS) $(SYNTAXOPTIONS)

LIBRARIES = $(shell $(OCAMLFIND) query -recursive -predicates "byte $(PREDICATES)" -format "%d/%a" $(REQUIRES))
LIBRARIES_OPT = $(shell $(OCAMLFIND) query -recursive -predicates "native $(PREDICATES)" -format "%d/%a" $(REQUIRES))
LIBRARIES_DEPS := \
	$(foreach X,$(filter-out /usr/lib/ocaml%,$(LIBRARIES)),\
		$(wildcard \
			$(shell dirname $(X))/*.mli \
			$(shell dirname $(X))/*.ml \
			$(shell dirname $(X))/paramodulation/*.ml \
			$(shell dirname $(X))/paramodultation/*.mli))


ARCHIVE = $(PACKAGE).cma
ARCHIVE_OPT = $(PACKAGE).cmxa
OBJECTS_TO_INSTALL = $(ARCHIVE) $(ARCHIVE_OPT) $(ARCHIVE_OPT:%.cmxa=%.a) \
                     $(INTERFACE_FILES) $(INTERFACE_FILES:%.mli=%.cmi) \
                     $(EXTRA_OBJECTS_TO_INSTALL)
DEPEND_FILES = $(INTERFACE_FILES) $(IMPLEMENTATION_FILES)

$(ARCHIVE): $(IMPLEMENTATION_FILES:%.ml=%.cmo) $(LIBRARIES)
	$(H)if [ $(PACKAGE) != dummy ]; then \
	echo "  OCAMLC -a $@";\
	$(OCAMLC) $(OCAMLARCHIVEOPTIONS) -a -o $@ \
		$(IMPLEMENTATION_FILES:%.ml=%.cmo); fi

$(ARCHIVE_OPT): $(IMPLEMENTATION_FILES:%.ml=%.cmx) $(LIBRARIES_OPT)
	$(H)if [ $(PACKAGE) != dummy ]; then \
	echo "  OCAMLOPT -a $@";\
	$(OCAMLOPT) $(OCAMLARCHIVEOPTIONS) -a -o $@ \
		$(IMPLEMENTATION_FILES:%.ml=%.cmx); fi

prereq: $(PREREQ)
all: prereq $(IMPLEMENTATION_FILES:%.ml=%.cmo) $(ARCHIVE)
	@echo -n 
opt: prereq $(IMPLEMENTATION_FILES:%.ml=%.cmx) $(ARCHIVE_OPT)
	@echo -n 
test: test.ml $(ARCHIVE)
	$(OCAMLC) $(ARCHIVE) -linkpkg -o $@ $<
test.opt: test.ml $(ARCHIVE_OPT)
	$(OCAMLOPT) $(ARCHIVE_OPT) -linkpkg -o $@ $<
install:
uninstall:

depend:: $(DEPEND_FILES)
	$(H)echo "  OCAMLDEP"
	$(H)$(OCAMLDEP) $(INTERFACE_FILES) $(IMPLEMENTATION_FILES) > .depend
depend.opt:: $(DEPEND_FILES)
	$(H)echo "  OCAMLDEP -native"
	$(H)$(OCAMLDEP) -native \
		$(INTERFACE_FILES) $(IMPLEMENTATION_FILES) > .depend

$(PACKAGE).ps: .dep.dot
	dot -Tps -o $@ $<

.dep.dot: .depend
	ocamldot < .depend > $@

%.cmi: %.mli
	@echo "  OCAMLC $<"
	$(H)$(OCAMLC) -c $<
%.cmo %.cmi: %.ml
	@echo "  OCAMLC $<"
	$(H)$(OCAMLC) -c $<
%.cmx: %.ml
	@echo "  OCAMLOPT $<"
	$(H)$(OCAMLOPT) -c $<
%.annot: %.ml
	$(OCAMLC) -dtypes $(PKGS) -c $<
%.ml %.mli: %.mly
	$(OCAMLYACC) $<
%.ml: %.mll
	$(OCAMLLEX) $<

ifneq ($(MAKECMDGOALS), clean)
$(IMPLEMENTATION_FILES:%.ml=%.cmo): $(LIBRARIES)
$(IMPLEMENTATION_FILES:%.ml=%.cmi): $(LIBRARIES_DEPS)
$(IMPLEMENTATION_FILES:%.ml=%.cmx): $(LIBRARIES_OPT)
endif

clean:
	rm -f *.cm[ioax] *.cmxa *.o *.a *.annot $(EXTRA_OBJECTS_TO_CLEAN)
	if [ -f test ]; then rm -f test; else true; fi
	if [ -f test.opt ]; then rm -f test.opt; else true; fi

backup:
	cd ..; tar cvzf $(PACKAGE)_$(shell date +%s).tar.gz $(PACKAGE)

ocamlinit:
	echo "#use \"topfind\";;" > .ocamlinit
	echo "#thread;;" >> .ocamlinit
	for p in $(REQUIRES); do echo "#require \"$$p\";;" >> .ocamlinit; done
	echo "#load \"$(PACKAGE).cma\";;" >> .ocamlinit

# $(STATS_EXCLUDE) may be defined in libraries' Makefile to exclude some file
# from statistics collection
STATS_FILES = \
	$(shell find . -maxdepth 1 -type f -name \*.ml $(foreach f,$(STATS_EXCLUDE),-not -name $(f))) \
	$(shell find . -maxdepth 1 -type f -name \*.mli $(foreach f,$(STATS_EXCLUDE),-not -name $(f)))
.stats: $(STATS_FILES)
	rm -f .stats
	echo -n "LOC:" >> .stats
	wc -l $(STATS_FILES) | tail -1 | awk '{ print $$1 }' >> .stats

.PHONY: all opt world backup depend install uninstall clean ocamlinit

ifneq ($(MAKECMDGOALS), depend)
 ifneq ($(MAKECMDGOALS), depend.opt)
   include .depend   
 endif
endif

NULL =