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Date: Tue, 17 Dec 2002 14:51:24 +0100 (=?ISO-8859-1?Q?Westeurop=E4ische_Normalzeit?=)
From: Thomas Pfaff <tpfaff AT gmx DOT net>
To: cygwin-developers AT cygwin DOT com
Subject: Re: building the gcc-3.2-3 bootstrap fails on libstdc++-v3
In-Reply-To: <20021217140520.K19104@cygbert.vinschen.de>
Message-ID: <Pine.WNT.4.44.0212171445510.272-100000@algeria.intern.net>
X-X-Sender: pfaff AT antarctica DOT intern DOT net
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On Tue, 17 Dec 2002, Corinna Vinschen wrote:

> On Tue, Dec 17, 2002 at 10:12:47AM +0100, Thomas Pfaff wrote:
> > On Mon, 16 Dec 2002, Christopher Faylor wrote:
> >
> > > On Mon, Dec 16, 2002 at 03:26:27AM -0800, James Michael DuPont wrote:
> > > >As promised, I have started to check the releases
> > > >of cygwin by bootstrapping them.
> > > >This one got pretty far, all the way to libstdc++-v3.
> > > >
> > > >The error is :
> > > >../../../../include/getopt.h:115: declaration of C function `int
> > > >getopt()'
> > > >   conflicts with
> > > >/usr/include/sys/unistd.h:125: previous declaration `int getopt(int,
> > > >char*   const*, const char*)' here
> > >
> > > In case it isn't clear, I *do not care* about this problem. I am able to
> > > [more venting]
> > > How many times do I have to say this???
> >
> > Chris,
> >
> > IMHO the easiest way to fix this is to remove the getopt prototype from
> > unistd.h and include getopt.h instead. This will define HAVE_DECL_GETOPT
> > and the build will not fail. I might create a patch if you agree.
>
> Unfortunately this is newlib.  Adding the getopt prototype unconditionally
> in July was obviously not combined with testing this on Cygwin. :-(
>
> AFAICS, the prototypes should be in a `#ifndef __CYGWIN__' bracket or
> (better) in a `#ifndef __GETOPT_H__' bracket plus defining __GETOPT_H__.
>

Why not define

#ifndef HAVE_DECL_GETOPT
#define HAVE_DECL_GETOPT 1
#endif

in unistd.h likewise to getopt.h ?

Thomas