can't load library 'libstdc++.so.6'

source:
http://www.blogbus.com/daodaoluan-logs/65253239.html

==

# ./iperf 
./iperf: can't load library 'libstdc++.so.6' 

的提示，解决办法是：

要静态编译： 
$cd iperf-2.0.4/src 
$vi Makefile 
在CFLAGS和CXXFLAGS都加-static参数 
CFLAGS = -O2 -static 
CXXFLAGS = -O2 -static