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From: Daniel Borkmann <daniel@iogearbox•net>
To: David Lebrun <david.lebrun@uclouvain•be>
Cc: netdev@vger•kernel.org, stephen@networkplumber•org
Subject: Re: iproute2 build error due to sr-ipv6 lwtunnel
Date: Sun, 14 May 2017 15:26:46 +0200	[thread overview]
Message-ID: <59185B16.5020107@iogearbox.net> (raw)
In-Reply-To: <590AFA8A.30602@iogearbox.net>

On 05/04/2017 11:55 AM, Daniel Borkmann wrote:
> On 05/04/2017 11:28 AM, David Lebrun wrote:
>> On 05/04/2017 11:13 AM, Daniel Borkmann wrote:
>>> Hi David,
>>>
>>> I'm getting the following build error from e8493916a8ed ("iproute:
>>> add support for SR-IPv6 lwtunnel encapsulation"). Reverting your
>>> commit makes iproute2 build again for me. Please take a look.
>>
>> Hi Daniel,
>>
>> This is because linux/seg6.h does an include of linux/in6.h (cf kernel
>> commit ea3ebc73b46fbdb049dafd47543bb22efaa09c8e "uapi: fix linux/seg6.h
>> and linux/seg6_iptunnel.h userspace compilation errors"), and iproute2's
>> include/utils.h requires the system /usr/include/resolv.h, which itself
>> includes /usr/include/netinet/in.h, re-defining struct in6_addr.
>>
>> However, netinet/in.h protects some struct definitions with #ifndef
>> __USE_KERNEL_IPV6_DEFS, which is explicitly defined in
>> iproute_lwtunnel.c, thus avoiding this specific issue.
>>
>> What is your glibc version ?
>
> Ok, I see, on one of my machines I have an old user space, but
> latest net/net-next kernel (+ installed kernel headers) and
> iproute2. glibc version there is 2.18.

David, are you still looking into fixing this?

  reply	other threads:[~2017-05-14 13:26 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-04  9:13 iproute2 build error due to sr-ipv6 lwtunnel Daniel Borkmann
2017-05-04  9:28 ` David Lebrun
2017-05-04  9:55   ` Daniel Borkmann
2017-05-14 13:26     ` Daniel Borkmann [this message]
2017-05-15  7:56       ` David Lebrun
2017-05-15  8:46         ` Daniel Borkmann
2017-05-15 15:24         ` Stephen Hemminger

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