The problem is that since merging of #251 on this line `KEEPALIVE_TIME` is not defined on Haiku and OpenBSD: https://github.com/rust-lang/socket2/blob/877a789982a87bb487381ada36f15c0786fa221b/src/sys/unix.rs#L871
The problem is that since merging of #251 on this line
KEEPALIVE_TIMEis not defined on Haiku and OpenBSD:socket2/src/sys/unix.rs
Line 871 in 877a789