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    SubjectRe: 2.6.16-rc4-mm1
    Patrick McHardy schrieb:
    > Reuben Farrelly wrote:
    >
    >>Minor dependency issue:
    >>
    >>My compile failed with this..
    >>
    >> CC [M] net/netfilter/xt_dccp.o
    >>In file included from net/netfilter/xt_dccp.c:15:
    >>include/linux/dccp.h:341:2: error: #error "At least one CCID must be
    >>built as the default"
    >>make[2]: *** [net/netfilter/xt_dccp.o] Error 1
    >>make[1]: *** [net/netfilter] Error 2
    >>make: *** [net] Error 2
    >>[root@tornado linux-2.6-mm]#
    >>
    >>[I have no idea what a CCID is]
    >>
    >>But it was caused by this:
    >>
    >>CONFIG_NETFILTER_XT_MATCH_DCCP=m
    >>
    >>and maybe this below had an impact:
    >>
    >>#
    >># DCCP Configuration (EXPERIMENTAL)
    >>#
    >># CONFIG_IP_DCCP is not set
    >>
    >>After unsetting the option to build the DCCP Netfilter module, I was
    >>able to compile through to completion.
    >
    >
    > Ideally this dependency should be enforced by Kconfig. I'm not sure
    > if it is possible to express something like "IP_DCCP_CCID2 and
    > IP_DCCP_CCID3 depend on DCCP, DCCP requires at least one of both
    > to be enabled". Can someone more familiar with Kconfig than me
    > comment on this? Otherwise the #error should be moved to
    > net/dccp/options.c to keep dccp.h usable without dccp enabled.

    Suggestion (not tested):

    config IP_DCCP_CCID2
    tristate "blah"
    select DCCP
    help
    Foo
    config IP_DCCP_CCID3
    tristate "blah"
    select DCCP
    help
    Foo
    config DCCP
    bool "blah"
    depends on IP_DCCP_CCID2 || IP_DCCP_CCID3
    help
    Foo


    Regards,
    Carl-Daniel
    --
    http://www.hailfinger.org/
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