OBJS = blError.o shared.o car.o train.o
FLAGS = -Wall

COMPILE = ${CC} ${FLAGS} -c -o $@

# Build 3 programs: car, train, and crossing
all: car train crossing


crossing: crossing.c blError.o blEnv.o shared.o
	${CC} crossing.c blError.o blEnv.o shared.o -o $@

train: train.c blError.o blEnv.o shared.o
	${CC} train.c blError.o blEnv.o shared.o -o $@

car: car.c blError.o blEnv.o shared.o
	${CC} car.c blError.o blEnv.o shared.o -o $@

shared.o: shared.c shared.h blEnv.o blError.o
	${COMPILE} shared.c

blError.o: blError.c blError.h
	${COMPILE} blError.c

blEnv.o: blEnv.c blEnv.h blError.o
	${COMPILE} blEnv.c


clean:
	- rm *.o
	- rm *~
	- rm car train crossing