https://bugs.gentoo.org/892071

commit eaea31cb93ecddda69a373f83f632e1a450c3c90
Author: Brock Zheng Techyauld Ltd <yzheng@techyauld.com>
Date:   Tue Aug 25 20:28:11 2020 +0800

    emacs plugin fixup: GNU/Emacs 27.1 removes function process-kill-without-query

--- a/contrib/xcscope/xcscope.el
+++ b/contrib/xcscope/xcscope.el
@@ -2006,7 +2006,7 @@
 	      (set-process-filter cscope-process cscope-filter-func)
 	      (set-process-sentinel cscope-process cscope-sentinel-func)
 	      (set-marker (process-mark cscope-process) (point))
-	      (process-kill-without-query cscope-process)
+              (set-process-query-on-exit-flag cscope-process nil)
 	      (if cscope-running-in-xemacs
 		  (setq modeline-process ": Searching ..."))
 	      (setq buffer-read-only t)
@@ -2139,7 +2139,7 @@
 		   cscope-indexing-script args))
       (set-process-sentinel cscope-unix-index-process
 			    'cscope-unix-index-files-sentinel)
-      (process-kill-without-query cscope-unix-index-process)
+      (set-process-query-on-exit-flag cscope-unix-index-process nil)
       )
     ))