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X-HELO:	calimero.vinschen.de
Date:	Wed, 27 May 2015 12:57:34 +0200
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: cannot build cygwin-2.0.2 because of net.cc (or because of some header.h)
Message-ID:	<20150527105734.GA16927@calimero.vinschen.de>
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References:	<B8FA2086-BAFE-4B3E-9D52-2BE106CB9360 AT Denis-Excoffier DOT org> <20150521201509 DOT 9b9bfcffb07b3d9337de9e10 AT nifty DOT ne DOT jp> <20150522193704 DOT b0b9dfdaa4d63c61d7d5be55 AT nifty DOT ne DOT jp>
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On May 22 19:37, Takashi Yano wrote:
> On Thu, 21 May 2015 20:15:09 +0900
> Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp> wrote:
>=20
> > On Mon, 11 May 2015 17:52:04 +0200
> > Denis Excoffier wrote:
> >=20
> > > In order to successfully build cygwin-2.0.2-1 (for x86, both XP and W=
7) i had to apply
> > > the following patch (below). No such problem with cygwin-2.0.1-1.
> >=20
> > In my case, the same problem is caused by upgrading
> > w32api-headers to 4.0.2-1. It does not result from
> > difference between cygwin-2.0.2-1 and cygwin-2.0.1-1.
>=20
> I have looked into this problem. The cause is as follows.
>=20
> netioapi.h in w32api-headers 3.3.0-2 was using a macro-name
> _INC_NETIOAPI for include-guard. By defining _INC_NETIOAPI,
> net.cc avoids including netioapi.h, which conflicts with
> if_nametoindex() and if_indextoname() in it.
>=20
> However, the macro-name for include-guard in netioapi.h of
> w32api-headers 4.0.2-1 has been changed to _NETIOAPI_H_.
>=20
> As a result, net.cc fails to avoid including netioapi.h,
> which causes confliction.
>=20
> Thus, defining _NETIOAPI_H_ in net.cc resolves the problem.
>=20
>=20
> diff --git a/winsup/cygwin/net.cc b/winsup/cygwin/net.cc
> index eaf6eb8..d6a631b 100644
> --- a/winsup/cygwin/net.cc
> +++ b/winsup/cygwin/net.cc
> @@ -19,6 +19,7 @@ details. */
>     TODO:  Convert if_nametoindex to cygwin_if_nametoindex and call
>  	  system functions on Vista and later. */
>  #define _INC_NETIOAPI
> +#define _NETIOAPI_H_
>  #include "winsup.h"
>  #ifdef __x86_64__
>  /* 2014-04-24: Current Mingw headers define sockaddr_in6 using u_long (8=
 byte)

I applied this patch.


Thanks,
Corinna

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

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