Re: [exim-dev] Exim 4.82 RC5 uploaded

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Author: Andreas Metzler
To: exim-dev
Subject: Re: [exim-dev] Exim 4.82 RC5 uploaded
On 2013-10-26 Todd Lyons <tlyons@???> wrote:
> On Sat, Oct 26, 2013 at 4:53 AM, Andreas Metzler <eximusers@???> wrote:

> > I have uploaded rc5 to Debian/experimental. it failed to build on
> > GNU/hurd

> Regarding the hurd build error, is there some #ifdef guard we can put
> in place to properly protect against it for hurd like systems? I
> assume this is just an old ipv6 stack that doesn't have some newer
> feature. Something along the lines of this completely wild guess:

> #ifdef IPV6_TCLASS
> *optname = IPV6_TCLASS;
> #else
> *optname = NULL;
> #endif

> Is there an easy way to see what /usr/include/bits/in.h or
> /usr/include/linux/in6.h contains for hurd?

I have attached /usr/include/i386-gnu/bits/in.h from
<> for your convenience.
cu Andreas

`What a good friend you are to him, Dr. Maturin. His other friends are
so grateful to you.'
`I sew his ears on from time to time, sure'
/* Copyright (C) 1997-2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.

The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<>. */

/* Generic version. */

#ifndef _NETINET_IN_H
# error "Never use <bits/in.h> directly; include <netinet/in.h> instead."

/* To select the IP level.  */
#define SOL_IP        0

/* Options for use with `getsockopt' and `setsockopt' at the IP level.
   The first word in the comment at the right is the data type used;
   "bool" means a boolean value stored in an `int'.  */
#define    IP_OPTIONS    1    /* ip_opts; IP per-packet options.  */
#define    IP_HDRINCL    2    /* int; Header is included with data.  */
#define    IP_TOS        3    /* int; IP type of service and precedence.  */
#define    IP_TTL        4    /* int; IP time to live.  */
#define    IP_RECVOPTS    5    /* bool; Receive all IP options w/datagram.  */
#define    IP_RECVRETOPTS    6    /* bool; Receive IP options for response.  */
#define    IP_RECVDSTADDR    7    /* bool; Receive IP dst addr w/datagram.  */
#define    IP_RETOPTS    8    /* ip_opts; Set/get IP per-packet options.  */
#define IP_MULTICAST_IF 9    /* in_addr; set/get IP multicast i/f */
#define IP_MULTICAST_TTL 10    /* u_char; set/get IP multicast ttl */
#define IP_MULTICAST_LOOP 11    /* i_char; set/get IP multicast loopback */
#define IP_ADD_MEMBERSHIP 12    /* ip_mreq; add an IP group membership */
#define IP_DROP_MEMBERSHIP 13    /* ip_mreq; drop an IP group membership */

/* Structure used to describe IP options for IP_OPTIONS and IP_RETOPTS.
   The `ip_dst' field is used for the first-hop gateway when using a
   source route (this gets put into the header proper).  */
struct ip_opts
    struct in_addr ip_dst;    /* First hop; zero without source route.  */
    char ip_opts[40];        /* Actually variable in size.  */

/* Socket-level values for IPv6.  */
#define SOL_IPV6        41
#define SOL_ICMPV6        58

/* IPV6 socket options.  */
#define IPV6_ADDRFORM        1
#define IPV6_PKTINFO        2
#define IPV6_HOPOPTS        3
#define IPV6_DSTOPTS        4
#define IPV6_RTHDR        5
#define IPV6_PKTOPTIONS        6
#define IPV6_CHECKSUM        7
#define IPV6_HOPLIMIT        8

#define IPV6_RXINFO        IPV6_PKTINFO
#define IPV6_TXINFO        IPV6_PKTINFO
#define SCM_SRCRT        IPV6_RXSRCRT

#define IPV6_UNICAST_HOPS    16
#define IPV6_MULTICAST_IF    17
#define IPV6_MULTICAST_HOPS    18
#define IPV6_MULTICAST_LOOP    19
#define IPV6_JOIN_GROUP        20
#define IPV6_LEAVE_GROUP    21
#define IPV6_ROUTER_ALERT      22
#define IPV6_MTU_DISCOVER      23
#define IPV6_MTU               24
#define IPV6_RECVERR           25
#define IPV6_V6ONLY            26
#define IPV6_JOIN_ANYCAST      27
#define IPV6_LEAVE_ANYCAST     28

/* Obsolete synonyms for the above.  */

/* Routing header options for IPv6.  */
#define IPV6_RTHDR_LOOSE    0    /* Hop doesn't need to be neighbour. */
#define IPV6_RTHDR_STRICT    1    /* Hop must be a neighbour.  */

#define IPV6_RTHDR_TYPE_0    0    /* IPv6 Routing header type 0.  */