CC=gcc
CFLAGS=-std=c11 -Wall -Wextra -O2
LDFLAGS=-lm

all: calc

calc: main.o calculator.o
	$(CC) $(CFLAGS) -o calc main.o calculator.o $(LDFLAGS)

main.o: main.c calculator.h
	$(CC) $(CFLAGS) -c main.c

calculator.o: calculator.c calculator.h
	$(CC) $(CFLAGS) -c calculator.c

clean:
	rm -f *.o calc