安装arm-linux-gcc
一、手动安装 arm-linux-gcc
1. tar xzvf arm-linux-gcc-4.4.3.tar.gz至目录/usr/local/arm（arm自己创建）
2.修改/etc/environment
PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/usr/local/arm/opt/FriendlyARM/toolschain/4.4.3/bin"
LANG="zh_CN.UTF-8"
LANGUAGE="zh_CN:zh:en_US:en"
3.更新环境变量 source /etc/environment
4.安装apt install libc6-i386 lsb-core
5.执行arm-linux-gcc -v
5.安装
apt-get install lib32z1
apt-get install lib32stdc++6
apt-get install libstdc++6
二、自动安装 arm-linux-gcc