Re: This rcsId variable in GDL2

[Markus Hitter]

Am Mittwoch, 01.01.03 um 17:17 Uhr schrieb Pascal Bourguignon:

> > > | //static char rcsId[] = "$Id: EODatabaseContext.m,v 1.9 2002/12/29
> > > | 15:13:05 mirko Exp $";
> > > |
> > > | Gcc complains a lot about this unused variable ...
> >
> > No code use it. I think you can comment it.
>
> Yes some code use it: the 'what' command!
>
> When I use this syntax (with -Wall):
>
>     static const char rcsid[]="$Id: MTDictionary.m,v 1.11 2002/04/22 
> 01:10:56 mppjb Exp $";
>
> there's no  warning, and the literal  is included in  the object files
> and collected into the executable.

Indeed, the additional "const" makes the compiler quiet.

> As soon as you use CVS (or  old RCS or SCCS) such a 'what' command ...

*grin* what a ...

Are there additional requirements for this to work? Like variable name, 
type etc? Or is it more like a "grep -a '$Id:' <binary>"?


Cheers,
Markus

- - - - - - - - - - - - - - - - - - -
Dipl. Ing. Markus Hitter
http://www.jump-ing.de/