Do you even read the errors you post? Did you read config.log?

Most probably the compiler on your machine is broken!

shivashankar wrote:
>
> hi
>
> i am facing following problem.plz help me
>
> freeradisu 2.1.6 on solaris10
>
> bash-3.00# ./configure
> checking for gcc... gcc
> checking for C compiler default output file name...
> configure: error: C compiler cannot create executables
> See `config.log' for more details.
>
-

List info/subscribe/unsubscribe? See http://www.freeradius.org/list/users.html