先到想要的路径
cd /opt
从谷歌官方下载工具压缩包
wget -c https://dl.google.com/android/repository/android-ndk-r11c-linux-x86_64.zip
安装解压软件，ubuntu默认没有
sudo apt-get install fastjar
解压到当前路径
sudo jar xvf android-ndk-r11c-linux-x86_64.zip
设置环境变量
export NDK_ROOT=/opt/android-ndk-r11c
测试运行
root@ubuntu:/opt/android-ndk-r11c$ ndk-build -v
bash: /opt/android-ndk-r11c/ndk-build: Permission denied
更改权限
root@ubuntu:/opt# chmod a+x -R android-ndk-r11c
root@ubuntu:/opt/android-ndk-r11c$ ndk-build -v
GNU Make 4.1
Built for x86_64-pc-linux-gnu
Copyright (C) 1988-2014 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
完成，可以使用
