+
+/* Define if errno must be declared even when <errno.h> is included. */
+#undef NEED_DECLARATION_ERRNO
+
+/* Define if you have the `uintptr_t' type. */
+#undef HAVE_UINTPTR_T
+
+/* Define if you have the sys_errlist variable. */
+#undef HAVE_SYS_ERRLIST
+
+/* Define if you have the sys_nerr variable. */
+#undef HAVE_SYS_NERR
+
+/* Define if you have the sys_siglist variable. */
+#undef HAVE_SYS_SIGLIST
+
+/* Define to one of _getb67, GETB67, getb67 for Cray-2 and Cray-YMP
+ systems. This function is required for alloca.c support on those
+ systems. */
+#undef CRAY_STACKSEG_END
+
+/* Define if you know the direction of stack growth for your system;
+ otherwise it will be automatically deduced at run-time.
+ STACK_DIRECTION > 0 => grows toward higher addresses
+ STACK_DIRECTION < 0 => grows toward lower addresses
+ STACK_DIRECTION = 0 => direction of growth unknown */
+#undef STACK_DIRECTION
+