$NetBSD: patch-configure,v 1.2 2015/01/24 13:40:14 mef Exp $

Disable a highly obsolete configure test that exercises undefined
behavior.

--- configure.orig	2014-04-15 03:24:53.000000000 +0900
+++ configure	2015-01-24 22:09:47.000000000 +0900
@@ -3457,7 +3457,8 @@ fi
 
 if test $ac_cv_header_stdc = yes; then
   # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
-  if test "$cross_compiling" = yes; then :
+  # disabled 20121222, IRIX 4 is long dead and this test exercises UB.
+  if true; then
   :
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext