if err != nil {
		err = errors.New("cannot parse minor version number returned by uname")
		return
	}

	return
}

// pledgeAvailable checks for availability of the pledge(2) syscall
// based on the running OpenBSD version.
func pledgeAvailable() error {
	maj, min, err := majmin()
	if err != nil {
		return err
	}

	// Require OpenBSD 6.4 as a minimum.