-/* Define to empty if the keyword does not work. */
-#undef const
-
-/* 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 have alloca, as a function or macro. */
-#undef HAVE_ALLOCA
-
-/* Define if you have <alloca.h> and it should be used (not on Ultrix). */
-#undef HAVE_ALLOCA_H
-
-/* Define if you have a working `mmap' system call. */
-#undef HAVE_MMAP
-
-/* Define as __inline if that's what the C compiler calls it. */
-#undef inline
-
-/* Define to `long' if <sys/types.h> doesn't define. */
-#undef off_t
-
-/* Define if you need to in order for stat and other things to work. */
-#undef _POSIX_SOURCE
-
-/* Define as the return type of signal handlers (int or void). */
-#undef RETSIGTYPE
-
-/* Define to `unsigned' if <sys/types.h> doesn't define. */
-#undef size_t
-
-/* If using the C implementation of alloca, 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