hello Sir/Madam, I am following Nicolas Christin's instructions to install ns-allinone-2.1b9a. Everything goes fine until ns-allinone-2.1b9a/install gets to "Build OTcl-1.0a8"... and The error that I received is given below: checking for libtcl8.3... -L../lib -ltcl8.3 checking for init.tcl... ../lib/tcl8.3 checking for tclsh8.3.2... no checking for tclsh8.3... ../bin/tclsh8.3 checking for tk.h... -I../include checking for libtk8.3... -L../lib -ltk8.3 checking for tk.tcl... ../lib/tk8.3 checking for X11 header files checking for X11 library archive checking for XOpenDisplay in -lX11... no can't find X library otcl-1.0a8 configuration failed! Exiting ...
Please help me...its urgent... Best Regards, Manpreet.