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Date:	Fri, 14 Dec 2001 22:46:03 +0100
From:	Corinna Vinschen <cygwin AT cygwin DOT com>
To:	cygwin <cygwin AT cygwin DOT com>
Subject:	Re: [Fwd: unistd.h for Cygwin]
Message-ID:	<20011214224603.U740@cygbert.vinschen.de>
Mail-Followup-To:	cygwin <cygwin AT cygwin DOT com>
References:	<3C1A6E9F DOT C41AE273 AT t-online DOT de>
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In-Reply-To:	<3C1A6E9F.C41AE273@t-online.de>; from 520066587150-0001@t-online.de on Fri, Dec 14, 2001 at 10:26:55PM +0100

On Fri, Dec 14, 2001 at 10:26:55PM +0100, Jerome BENOIT wrote:
> 
> 
> Jerome BENOIT wrote:
> > 
> > Bonjour:
> > 
> > I am rebuilding the tetex-beta package:
> > I have just encountered  an error message
> > which did not occur during the last built.
> > 
> > ../kpathsea/getopt.h:99: redefinition of `struct option'
> > 
> > The error comes out because the `/usr/include/getopt.h' is read before
> > by `/usr/include/unistd.h' which reads two headers:
> > 
> > >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> > /* unistd.h for Cygwin. */
> > 
> > #ifndef _UNISTD_H_
> > #define _UNISTD_H_
> > 
> > # include <sys/unistd.h>
> > # include <getopt.h>
> > 
> > #endif /* _UNISTD_H_ */
> > <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
> > 
> > Is it a bug or a feature ?

A feature.  At least it's supposed to be one.  According to
SUSv2 you have to include unistd.h to include the declaration
of getopt() and friends:

http://www.opengroup.org/onlinepubs/007908799/xsh/getopt.html

Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Developer                                mailto:cygwin AT cygwin DOT com
Red Hat, Inc.

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