# -*- Makefile -*-
BTARGET  = $(TARGET).byte
JTARGET  = $(TARGET).js
OTARGET  = $(TARGET).native
BLTARGET = $(TARGET).cma
BNTARGET = $(TARGET).cmxa
STARGET  = $(shell if `which ocamlopt`; then \
	           echo $(OTARGET);          \
              else echo $(BTARGET); fi)

PREFIX ?= /usr/local

TESTDIR  = tests

#########################
## Tools configuration ##
#########################

# Menhir can be told to produce a parser that explains what
# it is doing. 
ifeq ($(DEBUGPARSING), yes)
  MENHIROPT=-yaccflag --explain -yaccflag --trace
else
  MENHIROPT=-yaccflag --explain 
endif

# In Emacs, use classic display to enable error jumping.
TERM = $(shell echo $$TERM)
ifeq ($(TERM), dumb)
 OCAMLBUILD = $(OCAMLBUILDCMD) -use-ocamlfind -cflag "-dtypes" -tag debug -classic-display -no-hygiene $(MENHIROPT)
else
 OCAMLBUILD = $(OCAMLBUILDCMD) -use-ocamlfind -no-hygiene $(MENHIROPT) -lflags -I,`pwd`/lib
endif

ifeq ($(PROFILE), 1)
  OCAMLBUILD += -tag profile
endif


OCAMLDOC = ocamldoc
HEADACHE = headache

#########
# Rules #
#########

.PHONY: configure all-generic byte opt doc clean dist install uninstall headers clear

all-generic: configure clear $(STARGET) $(TARGET) 

$(TARGET):
	ln -s $(STARGET) $(TARGET)

clear:
	@ rm -f $(STARGET)

opt: $(OTARGET)

byte: $(BTARGET)

%:
	@ $(OCAMLBUILD) src/$@

$(JTARGET): 
	@ $(OCAMLBUILD) -use-ocamlfind -tag "use-nums" -tag "package(js_of_ocaml)" src/$(BTARGET)
	js_of_ocaml $(BTARGET)

byte-debug:
	$(OCAMLBUILD) -tag debug src/$(BTARGET)

ifeq ($(strip $(PREFIX)),)
install uninstall:
	@echo "Cannot (un)install $(EXECUTABLE): the PREFIX variable is undefined." && false
else
install: $(EXECUTABLE)
	mkdir -p $(PREFIX)/bin/
	install $(STARGET) $(PREFIX)/bin/$(TARGET)
uninstall:
	/bin/rm -f $(PREFIX)/bin/$(TARGET)
endif

#######################
# Administrative part #
#######################

headers:
	for i in src/*.ml src/*.mli src/*.mly; do \
	   $(HEADACHE) -h admin/header -c admin/headache.cfg $$i; \
        done

clean:
	@ $(OCAMLBUILD) -clean
	make -C cparser clean 
	make -C $(TESTDIR) clean
	find -name '*~' -exec rm '{}' \;
	rm -fr config.log config.status *~ $(TARGET) $(PACKAGE) $(PACKAGE).tar.gz

doc: byte
	$(OCAMLBUILD) $(TARGET).docdir/index.html
	mkdir -p doc/html
	rm -f $(TARGET).docdir/style.css 2> /dev/null
	mv $(TARGET).docdir/* doc/html
	rm $(TARGET).docdir

dist:
	rm -fr $(PACKAGE)
	mkdir $(PACKAGE)
	for i in `cat distributed_files` doc/html/*.html; do	\
	  if test -f $$i; then					\
            cp -fr --parents $$i $(PACKAGE);			\
          else							\
	    mkdir -p $$i;					\
          fi;					                \
        done
	tar cvfz $(PACKAGE).tar.gz $(PACKAGE)

check: all
	$(MAKE) -C $(TESTDIR) check