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X-HELO: calimero.vinschen.de
Date: Sun, 9 Feb 2014 21:09:56 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: cygwin-1.7.28 getpwent header declaration changes ?
Message-ID: <20140209200956.GH2821@calimero.vinschen.de>
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On Feb  9 20:50, Marco Atzeri wrote:
>=20
>=20
> On 06/02/2014 10:01, Corinna Vinschen wrote:
> >On Feb  6 08:29, Marco Atzeri wrote:
> >>on cygwin-1.7.28 64 bit but not on cygwin-1.7.27,
> >>(only system difference) compiling octave I see:
> >>
> >>----------------------------------------------------------------
> >>/pub/devel/octave/octave-3.8.0-2/src/octave-3.8.0/liboctave/system/oct-=
passwd.cc
> >>:114:25: error: '::getpwent' has not been declared
> >>    return octave_passwd (::getpwent (), msg);
> >>                          ^
> >>[...]
> >>Is something slightly changed in the  relative system headers ?
> >
> >I don't know anything about octave, but what has changed is that newlib
> >is finally introducing BSD-like visibility macros.  The pwd.h header now
> >contains this:
> >
> >   #if __XSI_VISIBLE >=3D 500
> >   struct passwd   *getpwent (void);
> >   void             setpwent (void);
> >   void             endpwent (void);
> >   #endif
> >
> >The default settings per the sys/cdefs.h header are:
> >
> >   #define __POSIX_VISIBLE         200809
> >   #define __XSI_VISIBLE           700
> >   #define __BSD_VISIBLE           1
> >   #define __ISO_C_VISIBLE         2011
> >
> >unless your environment defines one of
> >
> >   _XOPEN_SOURCE
> >   _POSIX_C_SOURCE
> >   _ANSI_SOURCE
> >   _C99_SOURCE
> >   _C11_SOURCE
> >   _GNU_SOURCE
> >
> >Have a look at the end of /usr/include/sys/cdefs.h, it explains things.
> >
> >
> >Corinna
> >
>=20
> probably I am missing something obvious, but should not
>=20
> /usr/include/sys/cdefs.h
>=20
> be included in some way in
> /usr/include/pwd.h
>=20
> to make working the
>=20
>     #if __XSI_VISIBLE >=3D 500
>     struct passwd   *getpwent (void);
>     void             setpwent (void);
>     void             endpwent (void);
>     #endif
>=20
> ?

You are oh so right.  I'm just uploading a new cygwin-1.7.18-2
package which fixes this and the sys/file.h bug.


HTH,
Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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