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?

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