When starting OpenVPN with module openvpn-auth-ldap activated, I get the following:
openvpn:/usr/local/lib/openvpn-auth-ldap.so: /usr/lib/libobjc.so.6.0 : WARNING: symbol(__objc_class_name_Protocol) size mismatch, relink your program openvpn:/usr/local/lib/openvpn-auth-ldap.so: /usr/lib/libobjc.so.6.0 : WARNING: symbol(__objc_class_name_Object) size mismatch, relink your program Openvpn and openvpn-auth-ldap are installed as packages. This is from a snapshot (amd64) : OpenBSD 6.0-current (GENERIC.MP) #2518: Sun Oct 2 21:41:07 MDT 2016 openvpn-2.3.11 openvpn-auth-ldap-2.0.3.p2 Same result from 5.9 with patch (amd64) : OpenBSD 5.9 (GENERIC.MP) #8: Thu Jul 14 20:12:22 CEST 2016 openvpn-2.3.10 openvpn-auth-ldap-2.0.3p1 Sebastien Leclerc