[ns] ns-2 installation problem

[Bello Lawal]

Hello,



i try to install ns in windows vista but it gives me the following error messege. Pls. who can help me out.



The messege is  



''Checking for gcc........... NO!

package gcc is not present in your system.

Please install it using Cygwin's  setup.exe before

trying to install the ns-2 distribution''



Finally, i try it using Cygwin but it couldn't  work.



Thanks.