$NetBSD: patch-aa,v 1.4 2010/08/06 10:15:14 drochner Exp $

https://bugs.freedesktop.org/show_bug.cgi?id=23378

--- configure.orig	2010-06-01 21:12:47.000000000 +0000
+++ configure
@@ -14450,7 +14450,7 @@ rm -f core conftest.err conftest.$ac_obj
 $as_echo "$flag_ok" >&6; }
 
 
-        if test "x$ERROR_CFLAGS" == "x"
+        if test "x$ERROR_CFLAGS" = "x"
     then
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking to see if compiler understands -errwarn=%all" >&5
