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$NetBSD: patch-configure,v 1.1 2012/12/24 01:50:57 dholland Exp $

Disable a highly obsolete configure test that exercises undefined
behavior.

--- configure~	2012-12-24 01:44:27.000000000 +0000
+++ configure
@@ -2789,7 +2789,8 @@ 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 >conftest.$ac_ext <<_ACEOF