[ECOS] lwip stack problem with printf

[Tathagata Das]

Hi,
   I am using lwip stack. I have successfully compiled ecos source code 
with lwip_eth template.
But when I am trying to compile my application, I am getting following 
errors:
          1. undefined reference to `printf'
          2. undefined reference to `strcmp'
I have found that there is no LIBC support in lwip_eth template. So I 
have added those packages.
But in that case my system hangs when it is trying to execute printf 
function.

Please tell me how to solve this problem.

Thanks in advance.

Tathagata

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