# A simple makefile for building icalc using lex, yacc and cc

YACC = bison
LEX = flex
CC = gcc

all:	icalc2

# make rules to run lex, yacc, and build the icalc program
icalc2:		icalc2.o lex.yy.o
		$(CC) icalc2.o lex.yy.o -o $@ -lm

lex.yy.c: 	icalc2.l
		$(LEX) icalc2.l

icalc2.c:	icalc2.y
		$(YACC) -dv -o icalc2.c icalc2.y

# dependency rules
icalc2.o: 	icalc2.c 
lex.yy.o: 	lex.yy.c

# make clean will remove all of the automatically generated files
clean:;	rm -rf lex.yy.c lex.yy.o icalc2.output y.output icalc2.c icalc2.h icalc2.o icalc2