GC		= ../gc6.4

CFLAGS		= -g -Wall -Werror -I$(GC)/include $(OPTFLAGS)
LIBCFLAGS	= -O3
LDLIBS		= $(GC)/gc.a

CCACHE		= # ccache
CC		= $(CCACHE) cc

all : $(GC)/gc.a libidst.o idst

idst : idst.o libidst.o
	$(CC) $(CFLAGS) -o idst idst.o libidst.o $(LDLIBS)

idst.o : idst.c idst.h
	$(CC) $(CFLAGS) -c idst.c

libidst.o : libidst.c idst.h
	$(CC) $(CFLAGS) $(LIBCFLAGS) -c libidst.c

new : idst libidst.o .force
	time ./idst -I.. -I../Smalltalk -o idst-new.c idst.st
	$(CC) $(CFLAGS) -o idst-new idst-new.c libidst.o $(LDLIBS)
	time ./idst-new -I.. -I../Smalltalk -o idst-newer.c idst.st
	-cmp idst-new.c idst-newer.c
	$(CC) $(CFLAGS) -o idst-newer idst-newer.c libidst.o $(LDLIBS)
	time ./idst-newer -I.. -I../Smalltalk -o idst-newest.c idst.st
	-cmp idst-newer.c idst-newest.c
#	rm idst-newer idst-newest idst-newer.c idst-newest.c

bootstrap : libidst.o ../xidst/xidst .force
	time ../xidst/xidst -I.. -I../Smalltalk -o stage1.c idst.st
	$(CC) $(CFLAGS) -o stage1 stage1.c libidst.o $(LDLIBS)
	time ./stage1 -I.. -I../Smalltalk -o stage2.c idst.st
	cmp stage1.c stage2.c
	$(CC) $(CFLAGS) -o stage2 stage2.c libidst.o $(LDLIBS)
	time ./stage2 -I.. -I../Smalltalk -o idst.c idst.st
	cmp idst.c stage2.c
	$(MAKE) test
	@echo
	@echo "Congratulations -- you have a working idst compiler"
	@echo

../xidst/xidst :
	$(SHELL) -ec 'cd ../xidst; $(MAKE)'

libidst.o : libidst.c idst.h

$(GC)/gc.a :
	$(SHELL) -ec 'cd $(GC); $(MAKE) c++ >/dev/null'

test : idst
	time ./idst -I.. -I../Smalltalk -o test.c test.st
	gcc $(CFLAGS) -o test test.c libidst.o $(LDLIBS)
	-@echo '----------------------------------------------------------------'
	./test

idst-old : main libidst.o *.st */*.st idst.h
	./main -ISmalltalk -o idst.c idst.st
	gcc $(CFLAGS) -o idst idst.c libidst.o $(LDLIBS)

clean: .force
	-rm -f idst idst-new* stage* idst.o libidst.o test test.c *~ .gdb*

spotless : clean
	-rm -f idst.c

stats : .force
	@wc -l $(CCOBJS:.o=.cc) *.{h,l,y}
	@cat $(CCOBJS:.o=.cc) *.{h,l,y} | sort -u | wc -l

.force :

#-include $(DEPS)

%.d : %.cc
	$(SHELL) -ec '$(CXX) -MM $(CXXFLAGS) $< \
	  | sed '\''s/\($*\)\.o[ :]*/\1.o $@ : /g'\'' > $@; \
	  [ -s $@ ] || rm -f $@'

%.d : %.c
	$(SHELL) -ec '$(CC) -MM $(CFLAGS) $< \
	  | sed '\''s/\($*\)\.o[ :]*/\1.o $@ : /g'\'' > $@; \
	  [ -s $@ ] || rm -f $@'