$NetBSD: patch-configure.ac,v 1.2 2013/09/17 16:23:54 ryoon Exp $

* NetBSD does not support AI_V4MAPPED and AI_ALL.

--- configure.ac.orig	2013-09-09 07:15:14.000000000 +0000
+++ configure.ac
@@ -87,7 +87,10 @@ AC_SEARCH_LIBS([crypt], [crypt],
   [AC_DEFINE([HAVE_CRYPT], [], [Define this if your system has a crypt() function])])
 
 dnl Check for functions
-AC_CHECK_FUNCS([strlcpy statvfs])
+AC_CHECK_FUNCS([strlcpy statvfs, mkdtemp])
+
+dnl Check for definitions
+AC_CHECK_DECLS([AI_V4MAPPED, AI_ALL])
 
 dnl Compiler flags for POSIX
 dnl Get this from autotools/gnulib