python INFO: Can't locate Tcl/Tk libs and/or headers

安装opencv的时候遇到这个错误：

python INFO: Can't locate Tcl/Tk libs and/or headers

参考如下文章解决这个问题：

http://www.verydemo.com/demo_c122_i23277.html

执行

yum install tcl-dev    

yum install tk-dev 

yum install tcl

yum install tk