YACC = yacc
LEX = lex
CC = gcc

YFLAGS	= -dv -bgram
CFLAGS	= -O
LFLAGS	=

SRC	= gram.y scan.l main.c
OBJ	= gram.o scan.o

all:	$(OBJ)
	$(CC) $(CFLAGS) $(OBJ) -o cparser

scan.o:	gram.h

scan.c: scan.l
	$(LEX) -t scan.l > scan.c

gram.o:	gram.c

gram.c:	gram.y
	$(YACC) $(YFLAGS) gram.y
	@mv gram.tab.c gram.c
	@mv gram.tab.h gram.h
	
	
clean:; @rm -f cparser gram.output gram.h gram.c scan.c *.o