Re: linux-next: build failure after merge of the netfilter-next tree

[Pablo Neira Ayuso]

On Thu, Jun 20, 2019 at 11:47:43PM +1000, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the netfilter-next tree, today's linux-next build
> (arm imx_v4_v5_defconfig and several others) failed like this:
> 
> In file included from net/netfilter/core.c:19:0:
> include/linux/netfilter_ipv6.h: In function 'nf_ipv6_cookie_init_sequence':
> include/linux/netfilter_ipv6.h:174:2: error: implicit declaration of function '__cookie_v6_init_sequence' [-Werror=implicit-function-declaration]
> include/linux/netfilter_ipv6.h: In function 'nf_cookie_v6_check':
> include/linux/netfilter_ipv6.h:189:2: error: implicit declaration of function '__cookie_v6_check' [-Werror=implicit-function-declaration]
> 
> Caused by commit
> 
>   3006a5224f15 ("netfilter: synproxy: remove module dependency on IPv6 SYNPROXY")
> 
> This has been happening for a few days, sorry.
> 
> # CONFIG_IPV6 is not set

https://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next.git/commit/?id=8527fa6cc68a489f735823e61b31ec6cb266274a