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 ? David
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