A wrong variable is used to disable IPv6, so it is never disabled.

Willy

--- ./ntpd/ntp_io.c.normal	Sat Jun 23 13:38:39 2007
+++ ./ntpd/ntp_io.c	Sat Jun 23 13:39:03 2007
@@ -55,7 +55,7 @@
  * Set up some macros to look for IPv6 and IPv6 multicast
  */
 
-#if defined(ISC_PLATFORM_HAVEIPV6) && !defined(DISABLE_IPV6)
+#if defined(ISC_PLATFORM_HAVEIPV6) && defined(WANT_IPV6)
 
 #define INCLUDE_IPV6_SUPPORT