along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
-/* Define symbols to identify the version of Unix this is.
- Define all the symbols that apply correctly. */
-
-/* We give these symbols the numeric values found in <sys/param.h> to
- avoid warnings about redefined macros. */
-
-/* Nothing in Emacs uses this any more.
- ifndef BSD4_3
- define BSD4_3 1
- endif
-*/
-
-#ifndef BSD_SYSTEM
-#define BSD_SYSTEM 43
-#endif /* BSD_SYSTEM */
-
-/* For mem-limits.h. */
-#define BSD4_2