类似的，可以通过version查看当前的crosstool-ng工具本身的版本：
CLi@PC-CLI-1 ~/develop/crosstool-ng/crosstool-ng-1.18.0_build
$ ct-ng version
This is crosstool-NG version 1.18.0
Copyright (C) 2008 Yann E. MORIN <yann.morin.1998@free.fr>
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.
即，此处的crosstool-ng的版本是：1.18.0
 |  |  |
| 3.1.4. 用ct-ng show-tuple查看当前配置的是什么交叉编译器 |  | 3.2. crosstool-ng本身的配置的使用的基本逻辑 |
