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Message-ID: <590AFA8A.30602@iogearbox.net> Date: Thu, 04 May 2017 11:55:22 +0200 From: Daniel Borkmann <daniel@...earbox.net> To: David Lebrun <david.lebrun@...ouvain.be> CC: netdev@...r.kernel.org, stephen@...workplumber.org Subject: Re: iproute2 build error due to sr-ipv6 lwtunnel 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.
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