$NetBSD: patch-configure,v 1.5 2017/02/02 10:09:53 fhajny Exp $

Portability.

--- configure.orig	2016-11-04 10:30:55.000000000 +0000
+++ configure
@@ -20286,12 +20286,12 @@ if test "${with_poller+set}" = set; then
 fi
 
 
-    if test "x$with_poller" == "x"; then
+    if test "x$with_poller" = "x"; then
         pollers=auto
     else
         pollers=$with_poller
     fi
-    if test "$pollers" == "auto"; then
+    if test "$pollers" = "auto"; then
         # We search for pollers in this order
         pollers="kqueue epoll devpoll pollset poll select"
     fi