--- /dev/null
+/* config.h.in. Generated from configure.in by autoheader. */
+
+/* Define to 1 if you have the <getopt.h> header file. */
+#undef HAVE_GETOPT_H
+
+/* Define to 1 if you have the `getopt_long' function. */
+#undef HAVE_GETOPT_LONG
+
+/* whether struct in6_addr has u6_addrXX and defines s6_addrXX */
+#undef HAVE_IN6_ADDR_S6_ADDR
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#undef HAVE_INTTYPES_H
+
+/* Define to 1 if you have the `c' library (-lc). */
+#undef HAVE_LIBC
+
+/* Define to 1 if you have the <machine/limits.h> header file. */
+#undef HAVE_MACHINE_LIMITS_H
+
+/* Define to 1 if you have the <machine/param.h> header file. */
+#undef HAVE_MACHINE_PARAM_H
+
+/* Define to 1 if you have the <memory.h> header file. */
+#undef HAVE_MEMORY_H
+
+/* Define to 1 if you have the <net/if_arp.h> header file. */
+#undef HAVE_NET_IF_ARP_H
+
+/* Define to 1 if you have the <net/if_dl.h> header file. */
+#undef HAVE_NET_IF_DL_H
+
+/* Define to 1 if you have the <net/if_types.h> header file. */
+#undef HAVE_NET_IF_TYPES_H
+
+/* whether struct sockaddr_in6 has sin6_scope_id */
+#undef HAVE_SIN6_SCOPE_ID
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#undef HAVE_STDINT_H
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#undef HAVE_STDLIB_H
+
+/* Define to 1 if you have the <strings.h> header file. */
+#undef HAVE_STRINGS_H
+
+/* Define to 1 if you have the <string.h> header file. */
+#undef HAVE_STRING_H
+
+/* Define to 1 if you have the <sys/param.h> header file. */
+#undef HAVE_SYS_PARAM_H
+
+/* Define to 1 if you have the <sys/sockio.h> header file. */
+#undef HAVE_SYS_SOCKIO_H
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#undef HAVE_SYS_STAT_H
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#undef HAVE_SYS_TIME_H
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#undef HAVE_SYS_TYPES_H
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#undef HAVE_UNISTD_H
+
+/* Define to the address where bug reports for this package should be sent. */
+#undef PACKAGE_BUGREPORT
+
+/* Define to the full name of this package. */
+#undef PACKAGE_NAME
+
+/* Define to the full name and version of this package. */
+#undef PACKAGE_STRING
+
+/* Define to the one symbol short name of this package. */
+#undef PACKAGE_TARNAME
+
+/* Define to the version of this package. */
+#undef PACKAGE_VERSION
+
+/* Define to 1 if you have the ANSI C header files. */
+#undef STDC_HEADERS
+
+/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+#undef TIME_WITH_SYS_TIME
+
+/* Define to 1 if `lex' declares `yytext' as a `char *' by default, not a
+ `char[]'. */
+#undef YYTEXT_POINTER
+
+/* Define to empty if `const' does not conform to ANSI C. */
+#undef const