$OpenBSD: patch-third_party_usrsctp_usrsctp_gyp,v 1.3 2016/04/26 14:22:24 robert Exp $
--- third_party/usrsctp/usrsctp.gyp.orig.port	Mon Apr 25 19:19:30 2016
+++ third_party/usrsctp/usrsctp.gyp	Mon Apr 25 19:56:41 2016
@@ -111,6 +111,11 @@
           'cflags!': [ '-Werror', '-Wall' ],
           'cflags': [ '-w' ],
         }],
+        ['os_bsd==1', {
+          'defines': [
+            '__Userspace_os_OpenBSD',
+          ],
+        }],
         ['OS=="mac" or OS=="ios"', {
           'defines': [
             'HAVE_SA_LEN',
