GCC warnings for unused global variables

[Joe Buck]

On Wed, Apr 30, 2003 at 05:21:07PM -0700, Richard Henderson wrote:
> >          Copyright (c) 1989, 1993, 1994
> >         termcap.c       8.1 (Berkeley) 6/4/93
> >         strftime.c      7.38
> >         localtime.c     7.57
> >         asctime.c       7.7
> >         rec_seq.c       8.3 (Berkeley) 7/14/94
> >         key_call.c      1.25    94/04/24 SMI
> > 
> > Does #ident allow that?
> 
> Yes.  For ELF this normally winds up in the .comment section.
> Of course, this section is removed by strip, so it won't
> *necessarily* be there, but ...

Then it won't do.  It is a 20-year-old convention to do this, PRECISELY
so that binaries can be stripped but still tracked.
 
> > const static rcsid's are very common.
> 
> Then you'll have to ignore the warning.

Then we should take OUT the bleeping warning.  It wasn't there before.
It is a regression.