+/* Define if we're have GNU libc. */
+#undef _GNU_SOURCE
+
+/* Define if time.h or sys/time.h define the altzone variable */
+#undef HAVE_ALTZONE
+
+/* Define if C compiler supports long long types */
+#undef HAVE_LONG_LONG
+
+/* Define if fcntl.h defines O_BINARY */
+#undef HAVE_O_BINARY
+
+/* Define if C Symbols have a leading underscore added by the compiler */
+#undef LEADING_UNDERSCORE
+
+/* Define to the type of the timezone variable (usually long or time_t) */
+#undef TYPE_TIMEZONE
+