🚀 go-pugleaf

The decclaration of a static member does not serve as its definition.

Please find a recent book on C++ for more details.

> Message-Id: <9208221844.AA21654@life.ai.mit.edu>
> Date:         Sat, 22 Aug 92 14:34:04 COL
> From: Luis Armando Cobo <LCOBO%ANDESCOL.BITNET@mitvma.mit.edu>
> Organization: Universidad de Los Andes - Bogota, Colombia

> In a DECstation 5000/125 with ULTRIX 4.2, and gcc/g++ 2.2.2 and with
> this program:

>     class ONE {
>        protected:
>           static int a_member;
>        public:
>           ONE(void) {a_member = 1;}
>           set(int x) {a_member = x; }
>      };
>      ONE p;
>      int main(void)
>      {
>          p.set(5);
>          return 0;
>      }

> I obtain:
> % g++ ONE.cc -o ONE
> ld:
> Undefined:
> _3ONE$a_member
> collect: /usr/bin/ld returned 1 exit status

> Any ideas?

> ///LuiX

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