[ns] How to resolve this error????

[suragala srinivasa rao]

"  checking system version (for dynamic loading)... ./configure: line 7068:
syntax error near unexpected token ')'
./configure : line 7068: 'OSF*)'
tcl 8.3.2 configuration failed! Exiting..."

what does the above error in " " mean???

how to resolve the above error??I got this error when I was installing LEACH
modified ns-2.27 version.....


                                           Regards,
                                            srinivas