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# make a link to this file if you are working hard in one directory of Coq
#   ln -s ../dev/tools/Makefile.dir Makefile
# if you are working in a sub/dir/ make a link to dev/tools/Makefile.subdir instead
# this Makefile provides many useful facilities to develop Coq
# it is not completely compatible with .ml4 files unfortunately

ifndef TOPDIR
TOPDIR=..
endif

# this complicated thing should work for subsubdirs as well
BASEDIR=$(shell (dir=`pwd`; cd $(TOPDIR); top=`pwd`; echo $$dir | sed -e "s|$$top/||"))

noargs:	dir

test-dir:
	@echo TOPDIR=$(TOPDIR)
	@echo BASEDIR=$(BASEDIR)

include $(TOPDIR)/dev/tools/Makefile.common

# make this directory
dir:
	$(MAKE) -C $(TOPDIR) $(notdir $(BASEDIR))

# make all cmo's in this directory. Useful in case the main Makefile is not
# up-to-date
all:	
	@( ( for i in *.ml; do \
	       echo -n $(BASEDIR)/`basename $$i .ml`.cmo "" ; \
	     done; \
	     for i in *.ml4; do \
	       echo -n $(BASEDIR)/`basename $$i .ml4`.cmo "" ; \
	     done ) \
	  | xargs $(MAKE) -C $(TOPDIR) )

# lists all files that should be compiled in this directory
list:
	@(for i in *.mli; do \
	   ls -l `basename $$i .mli`.cmi; \
	done)
	@(for i in *.ml; do \
	   ls -l `basename $$i .ml`.cmo; \
	done)
	@(for i in *.ml4; do \
	   ls -l `basename $$i .ml4`.cmo; \
	done)


clean::  
	rm -f *.cmi *.cmo *.cmx *.o


# if grammar.cmo files cannot be compiled and main .depend cannot be
# rebuilt, this is quite useful
depend:
	(cd $(TOPDIR); ocamldep -I $(BASEDIR) $(BASEDIR)/*.ml $(BASEDIR)/*.mli > .depend.devel)


# displays the dependency graph of the current directory (vertically,
# unlike in doc/)
graph:
	(ocamldep *.ml *.mli | ocamldot | dot -Tps | gv -) &


# the pretty entry draws a dependency graph marking red those nodes
# which do not have their .cmo files 

.INTERMEDIATE: depend.dot depend.2.dot
.PHONY: depend.ps

depend.dot:
	ocamldep *.ml *.mli | ocamldot > $@

depend.2.dot:	depend.dot
	(i=`cat $< | wc -l`; i=`expr $$i - 1`; head -n $$i $<) > $@
	(for ml in *.ml; do \
	   base=`basename $$ml .ml`; \
	   fst=`echo $$base | cut -c1 | tr [:lower:] [:upper:]`; \
	   rest=`echo $$base | cut -c2-`; \
	   name=`echo $$fst $$rest | tr -d " "`; \
	   cmo=$$base.cmo; \
	   if [ ! -e $$cmo ]; then \
	     echo \"$$name\" [color=red]\; >> $@;\
	   fi;\
         done;\
	 echo } >> $@)

depend.ps:	depend.2.dot
	dot -Tps $< > $@

clean::
	rm -f depend.ps

pretty:	depend.ps
	(gv -spartan $<; rm $<) &
#	gv -spartan $< &



# generating file.ml.mli by tricking make to pass -i to ocamlc 

%.ml.mli:	FORCE
	@(cmo=`basename $@ .ml.mli`.cmo ; \
	mv -f $$cmo $$cmo.tmp ; \
	$(MAKE) -s -C $(TOPDIR) $(BASEDIR)/$$cmo CAMLDEBUG=-i > $@ ; \
	echo Generated interface file $@ ; \
	mv -f $$cmo.tmp $$cmo)

%.annot:	FORCE
	@(cmo=`basename $@ .annot`.cmo ; \
	mv -f $$cmo $$cmo.tmp ; \
	$(MAKE) -s -C $(TOPDIR) $(BASEDIR)/$$cmo CAMLDEBUG=-dtypes ; \
	echo Generated annotation file $@ ; \
	mv -f $$cmo.tmp $$cmo)

FORCE:

clean::
	rm -f *.ml.mli

# this is not perfect but mostly WORKS! It just calls the main makefile

%.cmi:	FORCE
	$(MAKE) -C $(TOPDIR) $(BASEDIR)/$@

%.cmo:	FORCE
	$(MAKE) -C $(TOPDIR) $(BASEDIR)/$@

coqtop:	
	$(MAKE) -C $(TOPDIR) bin/coqtop.byte