Re: ipv6 redefinition build issue with 4.15-rc8

[Jonas Bonn]

On 01/17/2018 08:59 AM, Daniel Wagner wrote:
> Hi Neil,
>
> On 01/16/2018 07:51 PM, Neil MacLeod wrote:
> > Since this commit in 4.15-rc8:
> >
> > https://github.com/torvalds/linux/commit/6926e041a8920c8ec27e4e155efa760aa01551fd 
> >
> >
> > building connman 1.35 with glibc 2.26 now fails as follows:
> >
> > http://ix.io/EbP
> >
> > I'm not sure if this is a kernel issue, a glibc issue, or a connman 
> > issue.
> >
> > Reverting the kernel commit resolves the issue, but isn't ideal 
> > (unless it's the correct solution, of course).
> >
> > Does anyone have any better ideas?

Try switching the order of these headers around (src/tethering.c)... 
netinet/in.h seems to depend on linux/in.h being included _first_ and 
it's presumably being pulled in via linux/if_bridge.h now as a result of 
the kernel patch (couldn't immediately see why, though... I suspect the 
inclusion of libc-compat.h is the culprit.)

#include <netinet/in.h>
#include <linux/if_bridge.h>

Yes, this is a hack and only masks the issue... nonetheless.

/Jonas


> Since ConnMan does not redefine 'struct in6_addr' and friends I would 
> say it is kernel/glibc header include problem. But I might be wrong here.
>
> @Hauke: Do you happen to know what is going on?
>
> Thanks,
> Daniel
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