Hello all,

I'm still strugling with finding information about building image. I was
looking at the linux kernel building document and whole situation is now
more clear than before, but still I have a question.
How it can happen that selecting iptables-mod-extra with 'y' it
automatically selects it's dependant matches with 'm' ? It is done
automatically and I can't find any rule which defines this behaviour. I can
only find line in /build_dir/linux-ar71xx_generic/linux-3.3.8/.config
CONFIG_NETFILTER_XT_MATCH_OWNER=m
Match owner is one of the matches which belongs to iptables-mod-extra. As I
understand build_dir and its contents is generated at build time, so it
must be some rules somewhere describing that, but I can't find. Also, I saw
in include/netfilter.mk
$(eval $(call nf_add,IPT_EXTRA,CONFIG_NETFILTER_XT_MATCH_OWNER,
$(P_XT)xt_owner))

I believe that CONFIG_NETFILTER_XT_MATCH_OWNER should be evaluated to 'm',
but where it is defined ?
Please help me with this. I'm really lost.

-- 
Darius
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