CC=gcc
CFLAGS=-Wall -Wextra -std=c11 -MMD -MP
OBJ=main.o calculator.o
DEP=$(OBJ:.o=.d)

all: calculator

calculator: $(OBJ)
	$(CC) $(CFLAGS) -o $@ $^ -lm

%.o: %.c
	$(CC) $(CFLAGS) -c $< -o $@

clean:
	rm -f calculator $(OBJ) $(DEP)

-include $(DEP)