Re: Errors in compilation

[John Heidemann <johnh@ISI.EDU>]

On Thu, 12 Nov 1998 06:25:19 GMT, Sudhir Subramanian wrote: 
>I tried to add a subclass of queue called stfq (to implement start
>time fair queuing). When I compiled it, it gave the following error:
>
>
>stfq.o: In function `StfqClass type_info function':
>/v/hank/v61/manisha/ns-2.1b4/stfq.cc(.text+0x14): undefined reference to `Stfq::Handler virtual table'
>/v/hank/v61/manisha/ns-2.1b4/stfq.cc(.text+0x18): undefined reference to `Stfq::Handler virtual table'
>/v/hank/v61/manisha/ns-2.1b4/stfq.cc(.text+0x20): undefined reference to `Stfq virtual table'
>/v/hank/v61/manisha/ns-2.1b4/stfq.cc(.text+0x24): undefined reference to `Stfq virtual table'
>
>Could someone tell me what is the error.

This is a not very clear way for gcc to tell you that you haven't
implemented all the methods defined in/required by your class.

   -John Heidemann