--- lib/config.h.proto-	2014-01-05 14:36:51.665354819 +0900
+++ lib/config.h.proto	2014-01-05 14:38:44.557348262 +0900
@@ -168,6 +168,9 @@
 /* Define to 1 if you have the `krb_get_err_text' function. */
 /* #undef HAVE_KRB_GET_ERR_TEXT */

+/* Define if IPv6 is supported.  */
+#define ENABLE_IPV6
+
 /* Define to 1 if you have the `krb' library (-lkrb). */
 /* #undef HAVE_LIBKRB */

@@ -189,6 +192,15 @@
 /* Define to 1 if you support file names longer than 14 characters. */
 #define HAVE_LONG_FILE_NAMES 1

+/* Define if you have the getaddrinfo function.  */
+#define HAVE_GETADDRINFO
+
+/* Define if you have the getgroups function.  */
+#define HAVE_GETGROUPS
+
+/* Define if you have the getnameinfo function.  */
+#define HAVE_GETNAMEINFO
+
 /* Define if you have memchr (always for CVS). */
 #define HAVE_MEMCHR 1