Need help about porting bind-9.7.0 to ARM board (5)

[LiGang]

Hi all!
I am using rndc-confgen to generate rndc.key, but it seems rndc-confgen cannot work.

[root at lg_arm jffs2]./rndc-confgen -a
............................................................
      (one hour later, no response)

Where is my mistake? 
Thanks!!
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