## compiler
CC = gcc

## compiler flags
CFLAGS = -std=c99 -g -Wall -c

OBJECTS = main.o stack.o node.o  ## object files
EXEC = a.out                     ## executable name

${EXEC}: ${OBJECTS}                  ## link
	${CC} ${OBJECTS} -o ${EXEC}

main.o: main.c stack.h node.h        ## compile
	${CC} ${CFLAGS} main.c

stack.o: stack.c node.h              ## compile
	${CC} ${CFLAGS} stack.c

node.o: node.c                       ## compile
	${CC} ${CFLAGS} node.c

.PHONY : clean                  ## clean is not a file name

clean: 
	rm -f ${OBJECTS} ${EXEC}