# This Makefile must be included by another one defining:
#  $PACKAGE
#  $REQUIRES
#  $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_DEST_DIR = @OCAMLFIND_DEST_DIR@

PREPROCOPTIONS = -pp camlp4o
PREREQ =
OCAMLOPTIONS = -package "$(REQUIRES)" -predicates "$(PREDICATES)"
OCAMLDEBUGOPTIONS = -g
OCAMLFIND = ocamlfind
OCAMLC = $(OCAMLFIND) ocamlc $(OCAMLDEBUGOPTIONS) $(OCAMLOPTIONS) $(PREPROCOPTIONS)
OCAMLOPT = $(OCAMLFIND) opt $(OCAMLOPTIONS) $(PREPROCOPTIONS)
OCAMLDEP = $(OCAMLFIND) ocamldep $(PREPROCOPTIONS)
OCAMLLEX = ocamllex
OCAMLYACC = ocamlyacc

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))


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)
	$(OCAMLC) -a -linkall -o $@ $(IMPLEMENTATION_FILES:%.ml=%.cmo)

$(ARCHIVE_OPT): $(IMPLEMENTATION_FILES:%.ml=%.cmx) $(LIBRARIES_OPT)
	$(OCAMLOPT) -a -linkall -o $@ $(IMPLEMENTATION_FILES:%.ml=%.cmx)

prereq: $(PREREQ)
all: prereq $(IMPLEMENTATION_FILES:%.ml=%.cmo) $(ARCHIVE)
opt: prereq $(IMPLEMENTATION_FILES:%.ml=%.cmx) $(ARCHIVE_OPT)
world: all opt

depend: $(DEPEND_FILES)
	$(OCAMLDEP) $(INTERFACE_FILES) $(IMPLEMENTATION_FILES) > .depend

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

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

%.cmi: %.mli
	$(OCAMLC) -c $<
%.cmo %.cmi: %.ml
	$(OCAMLC) -c $<
%.cmx: %.ml
	$(OCAMLOPT) -c $<
%.ml %.mli: %.mly
	$(OCAMLYACC) $<
%.ml: %.mll
	$(OCAMLLEX) $<

$(IMPLEMENTATION_FILES:%.ml=%.cmo): $(LIBRARIES)
$(IMPLEMENTATION_FILES:%.ml=%.cmx): $(LIBRARIES_OPT)

clean:
	rm -f *.cm[ioax] *.cmxa *.o *.a $(EXTRA_OBJECTS_TO_CLEAN)

install:
	mkdir $(OCAMLFIND_DEST_DIR)/$(PACKAGE)
	cp $(OBJECTS_TO_INSTALL) $(OCAMLFIND_DEST_DIR)/$(PACKAGE)

uninstall:
	cd $(OCAMLFIND_DEST_DIR)/$(PACKAGE) && rm -f $(OBJECTS_TO_INSTALL)
	rmdir $(OCAMLFIND_DEST_DIR)/$(PACKAGE)

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

.PHONY: all opt world backup depend install uninstall clean

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

ifeq ($(MAKECMDGOALS), all)
   $(IMPLEMENTATION_FILES:%.ml=%.cmi): $(LIBRARIES)
endif

ifeq ($(MAKECMDGOALS), opt)
   $(IMPLEMENTATION_FILES:%.ml=%.cmi): $(LIBRARIES_OPT)
endif

ifeq ($(MAKECMDGOALS),)
   $(IMPLEMENTATION_FILES:%.ml=%.cmi): $(LIBRARIES)
endif