Linking Error

[Mohsin Khalil]

	Dear Users,
	  I am trying to install ns on Linux and getting following linking 
Errors, I will appreciate if some one help me in this regard,
 
../tclbox/lib/libtcl8.0.a(tclLoadDl.o): Infunction 'TclLoadFile':
tclLoadDl.o(.text+0x19): undefined reference to 'dlopen'
tclLoadDl.o(.text+0x29): undefined reference to 'dlerror'
tclLoadDl.o(.text+0x4f): undefined reference to 'dlsym'
....
make: **[nam] Error 1
Nam make failed! Exiting.....

Thanks,

Mohsin