Re: [HELP] netfilter Kconfig dependency nightmare

[Roman Zippel]

Hi,

On Sat, 17 Sep 2005, Harald Welte wrote:

> If CONFIG_IP_NF_CONNTRACK_NETLINK is selected (M or Y), then
> CONFIG_IP_NF_CONNTRACK conditionally adds some code that references
> symbols from nfnetlink.ko (CONFIG_NETFILTER_NETLINK)
> 
> So basically, enabling CONFIG_IP_NF_CONNTRACK_NETLINK creates a dependency
> from CONFIG_IP_NF_CONNTRACK to CONFIG_NETFILTER_NETLINK.  AFAIK, the syntax
> doesn't allow somthing like 
> 
> tristate IP_NF_CONNTRACK
> 	depends on NETFILTER_NETLINK if IP_NF_CONNTRACK_NETLINK!=n

Since IP_NF_CONNTRACK_NETLINK is the one creating the dependency, 
something like this should work:

config IP_NF_CONNTRACK_NETLINK
	depends on IP_NF_CONNTRACK && NETFILTER_NETLINK
	depends on IP_NF_CONNTRACK!=y || NETFILTER_NETLINK!=m

IOW ct_nl depends on (ct && nl) unless (ct=y && nl=m).

bye, Roman

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