Messages in this thread | | | Date | Fri, 30 Jan 2009 05:12:32 +0100 (CET) | From | Jan Engelhardt <> | Subject | Re: 2.6.28 headers break kbd and net-tools userspace builds |
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On Wednesday 2009-01-28 21:29, David Miller wrote: >> On Tuesday 2009-01-27 06:08, David Miller wrote: >> >The fly in the ointment is linux/if_tunnel.h >> > >> >We export a structure there for a userland interface which >> >uses "struct iphdr". >> > >> >Because of that, we are faced with the difficult choice between >> >defining the structure (as we do) in linux/ip.h or using some ugly >> >__KERNEL__ ifdefs in linux/if_tunnel.h to conditionally include >> >netinet/ip.h instead. :-/ >> > >> >Really, I have no idea what to do about this as the problem has >> >existed for so long. >> >> I think in the long term, exported structs should probably >> have a "kernel_" prefix, much like userspace libraries use >> such prefixes to (try to) guard against simple name clashes. > >This is a reasonable rule for future interfaces, but won't >help us here on this one.[...] >Really, we page a huge price these days because the relationship >between glibc's and the kernel's userland header exports in the >past has been anti-social at best. > Yeah I just had to notice >:-(
IPPROTO_MH is only defined in linux/in6.h, but inclusion of it:
/usr/include/linux/in6.h:31: error: redefinition of ■struct in6_addr■ /usr/include/linux/in6.h:52: error: redefinition of ■struct sockaddr_in6■ /usr/include/linux/in6.h:60: error: redefinition of ■struct ipv6_mreq■
Ick. That's even worse than tunnels. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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