xm-vms.h (_POSIX_EXIT): Define.

	* config/alpha/xm-vms.h (_POSIX_EXIT): Define.
	Remove unneeded exit related macros.

From-SVN: r47219

gcc/ChangeLog

+Tue Nov 20 11:56:12 2001  Douglas B. Rupp  <rupp@gnat.com>
+
+	* config/alpha/xm-vms.h (_POSIX_EXIT): Define.
+	Remove unneeded exit related macros.
+
 2001-11-20  David Edelsohn  <edelsohn@gnu.org>
 
 	* rs6000.c (rs6000_emit_eh_toc_restore): Remove ALIGN parm.

gcc/config/alpha/xm-vms.h

@@ -38,15 +38,6 @@ Boston, MA 02111-1307, USA.  */
 #define HOST_WIDE_INT long long
 #define HOST_BITS_PER_WIDE_INT 64
 
-/* Override values in stdlib.h since gcc uses __posix_exit */
-#undef SUCCESS_EXIT_CODE
-#define SUCCESS_EXIT_CODE 0
-#undef FATAL_EXIT_CODE
-#define FATAL_EXIT_CODE 1
-#undef exit
-#define exit __posix_exit
-void __posix_exit (int);
-
 /* A couple of conditionals for execution machine are controlled here.  */
 #ifndef VMS
 #define VMS
@@ -65,6 +56,10 @@ void __posix_exit (int);
 /* Define a local equivalent (sort of) for unlink */
 #define unlink remove
 
+/* Causes exit() to be redefined to __posix_exit() and
+   Posix compatible failure and success codes to be used */
+#define _POSIX_EXIT 1
+
 #define STDC_HEADERS 1
 
 #define HOST_EXECUTABLE_SUFFIX ".exe"