$NetBSD: patch-configure.ac,v 1.1 2014/07/22 08:25:54 manu Exp $

Use autoconf to detect libs

--- configure.ac.orig	2013-01-17 15:28:30.000000000 +0100
+++ configure.ac	2013-01-17 15:44:44.000000000 +0100
@@ -23,9 +23,10 @@
 AC_SUBST(maxline)
 
 
 AC_CHECK_LIB([gdbm], [gdbm_open])
-
+AC_CHECK_LIB([dl], [dlopen])
+AC_CHECK_LIB([resolv], [inet_net_ntop])
 AC_CHECK_LIB([ldap],[ldap_init])
 AC_CHECK_FUNCS([ldap_set_option])
 
 AC_CHECK_FUNCS([iconv])