default: airplane.o 
	gcc -Wall -Werror -ansi -pedantic airplanedriver.o airplane.o
airplane.o: airplane.h airplane.c
	gcc -Wall -Werror -ansi -pedantic -c airplane.c
airplanedriver.o: airplane.h airplanedriver.c
	gcc -Wall -Werror -ansi -pedantic -c airplanedriver.c
test: airplane.o airplanetests.c
	gcc -Wall -Werror -ansi -pedantic airplanetests.c airplane.o
coverage: airplane.o airplanetests.c
	gcc -Wall -Werror -ansi -pedantic -ftest-coverage -fprofile-arcs airplanetests.c airplane.c
	a.out
	gcov airplane.c