CFLAGS += -std=c99 -I. login: login.c timingsafe_memcmp.c $(CC) $(CFLAGS) -o login login.c timingsafe_memcmp.c $(LDFLAGS) $(LIBS) .PHONY: clean install clean: rm -f *.o login install: mkdir -p $(DESTDIR)$(PREFIX)/bin cp login $(DESTDIR)$(PREFIX)/bin/login