* movemail.c:

* make-docfile.c: Remove reference to symbols defined by systems
not supported anymore: MAC_OS8, XENIX and STRIDE.

* (src/m/mips.h):
* (src/m/intel386.h):
* callproc.c:
* config.in:
* ecrt0.c:
* emacs.c:
* fileio.c:
* frame.c:
* getpagesize.h:
* keyboard.c:
* lread.c:
* process.c:
* puresize.h:
* sysdep.c:
* systty.h:
* syswait.h:
* unexec.c:
* xdisp.c:
* alloc.c: Remove code containing references to symbols defined by
unsupported systems.

lib-src/movemail.c

@@ -503,13 +503,7 @@ main (argc, argv)
 #ifdef MAIL_USE_SYSTEM_LOCK
       if (! preserve_mail)
 	{
-#if defined (STRIDE) || defined (XENIX)
-	  /* Stride, xenix have file locking, but no ftruncate.
-	     This mess will do. */
-	  close (open (inname, O_CREAT | O_TRUNC | O_RDWR, 0666));
-#else
 	  ftruncate (indesc, 0L);
-#endif /* STRIDE or XENIX */
 	}
 #endif /* MAIL_USE_SYSTEM_LOCK */