On 10/31/2017 04:45 PM, Petr Vorel wrote: > + add necessary autoconf checks for these headers. Looks good but I wouldn't include it in the test itself but move these defines with your changes into lapi/tcp.h, others like MSG_FASTOPEN, SOL_DCCP, SO_BUSY_POLL can be moved to lapi/socket.h. Thanks, Alexey