$OpenBSD: patch-configure_ac,v 1.3 2019/01/19 15:48:59 sthen Exp $

Index: configure.ac
--- configure.ac.orig
+++ configure.ac
@@ -300,14 +300,12 @@ AC_TRY_COMPILE(
       #include <sys/un.h>
        ],
       [
-      int main(int argc, char **argv) {
              struct msghdr mh;
              struct cmsghdr cmh;
              mh.msg_control = NULL;
              mh.msg_controllen = 0;
              cmh.cmsg_level = SOL_SOCKET;
              cmh.cmsg_type = SCM_RIGHTS;
-      }
       ],
 AC_DEFINE(HAVE_FD_PASSING,1,[Define HAVE_FD_PASSING if sending fd through unix socket supported])
 AC_MSG_RESULT(yes),
