On Tue Aug 22 13:48:56 2017, michal wrote:
> I implemented two things in rt44754:
> 
>   - an additional sysctl-based runtime check for TCP Fast Open support
>     on FreeBSD, as suggested by Francis, which logs a one-time notice if
>     TCP Fast Open support is available, but disabled by sysctl,

=> seems good but it needs to be check on FreeBSD (I have a FreeBSD VM
if required but IMHO the best should be to ask the reporter...).

>   - a configure option to forcibly disable TCP Fast Open support, as
>     suggested in #45376.

=> s/autodetect/auto/ (mostly to be consistent with similar existing options).
Note you did not regenerate configure.