$NetBSD: patch-configure,v 1.1 2016/08/21 09:53:55 bsiegert Exp $

--- configure.orig	2016-04-23 12:25:12.000000000 +0000
+++ configure
@@ -3206,7 +3206,7 @@ fi
 rm -f conftest.l $LEX_OUTPUT_ROOT.c
 
 fi
-if test "x$LEX" == "x:"; then
+if test "x$LEX" = "x:"; then
     as_fn_error $? "No lex/flex program could be found" "$LINENO" 5
 fi