3066. [func] The DLZ "dlopen" driver is now built by default,

no longer requiring a configure option.  To
			disable it, use "configure --without-dlopen".
                        Driver also supported on win32.  [RT #23467]

bin/tests/system/dlzexternal/dlopen.c

@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2011  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: dlopen.c,v 1.2 2011/03/10 04:36:15 each Exp $ */
+
+#include <config.h>
+
+int
+main() {
+#if defined(HAVE_DLOPEN) && defined(ISC_DLZ_DLOPEN)
+	return (0);
+#else
+	return (1);
+#endif
+}