The missing #include <netinet/tcp.h> causes a defined(TCP_NODELAY) to fail. I have added the patch to the FreeBSD ports OpenVPN 2.2.2 and 2.3.0, and confirmed (with strings ... | grep) that the TCP_NODELAY code is now part of the executable on amd64, and results in this log output:
Sat Jan 12 13:39:18 2013 Listening for incoming TCP connection on [undef] Sat Jan 12 13:39:18 2013 Socket flags: TCP_NODELAY=1 succeeded Obtained from: https://community.openvpn.net/openvpn/ticket/158 Credits to: M. Nottebrock Signed-off-by: Matthias Andree <matthias.and...@gmx.de> --- src/openvpn/syshead.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/openvpn/syshead.h b/src/openvpn/syshead.h index c81f08a..b14214d 100644 --- a/src/openvpn/syshead.h +++ b/src/openvpn/syshead.h @@ -307,6 +307,10 @@ #include <netinet/ip.h> #endif +#ifdef HAVE_NETINET_TCP_H +#include <netinet/tcp.h> +#endif + #ifdef HAVE_NET_IF_TUN_H #include <net/if_tun.h> #endif -- 1.8.1
