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TCL installation error

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In case, if ns2 have to be recompiled based on a new addition of protocol or agent, there should be an entry to the Makefile.in. After the changes are made, the following things need to be done to compile the agents.

$] ./configure 
$] make 

but ./configure may throw an error as shown below like
"Configure: Error: Installation of Tcl Seems to be incomplete or not found"

tcl error
TCL Error
To correct this problem, please try the following

$] ./configure --with-tcl-ver=8.5 

 The above works only after the successful installation of ns2. If you are installing ns2 for the first time refer this blog post

 http://www.nsnam.com/2014/11/ns2-installation-in-ubuntu-1404.html

T S Pradeep Kumar
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