found := true
		for _, f := range sd.files {
			path := filepath.Join(sd.name, f)
			if _, err := Stat(path); err != nil {
				found = false
				break
			}
		}
		if found {
			return sd
		}
		// In a self-hosted iOS build the above files might
		// not exist. Look for system files instead below.
	case "windows":
		return &sysDir{
			Getenv("SystemRoot") + "\\system32\\drivers\\etc",
			[]string{
				"networks",