Index: include/libtorrent/config.hpp
--- include/libtorrent/config.hpp.orig
+++ include/libtorrent/config.hpp
@@ -525,6 +525,10 @@ POSSIBILITY OF SUCH DAMAGE.
 #define TORRENT_USE_UNC_PATHS 0
 #endif
 
+#if defined(__OpenBSD__)
+#define TORRENT_USE_RLIMIT 0
+#endif
+
 #ifndef TORRENT_USE_RLIMIT
 #define TORRENT_USE_RLIMIT 1
 #endif
