报错：
libtool: line 1125: g++: command not found
搜索
# yum search "gcc-c++"
已加载插件：fastestmirror, langpacks
Determining fastest mirrors
* base: mirrors.aliyun.com
* epel: mirrors.ustc.edu.cn
* extras: mirrors.aliyun.com
* updates: mirrors.aliyun.com
============================= N/S matched: gcc-c++ =============================
avr-gcc-c++.x86_64 : Cross Compiling GNU GCC targeted at avr
gcc-c++.x86_64 : C++ support for GCC
安装：
yum -y install "gcc-c++.x86_64"
