bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: Eli Zaretskii <eliz@gnu.org>,  ncaprisunfan@gmail.com,
>   49261@debbugs.gnu.org
> Date: Wed, 07 Jul 2021 21:40:34 +0200
> 
> I've now pushed this change.

The build seems to be broken:

  Finding pointers to doc strings...done
    SCRAPE   ./calendar
  Debugger entered--Lisp error: (void-function make-lock-file-name)
    make-lock-file-name("/srv/data/home/e/eliz/git/emacs/trunk/lisp/calenda...")
    
insert-file-contents("/srv/data/home/e/eliz/git/emacs/trunk/lisp/calenda..." t)
    find-file-noselect-1(#<buffer cal-loaddefs.el> 
"/srv/data/home/e/eliz/git/emacs/trunk/lisp/calenda..." nil nil 
"/srv/data/home/e/eliz/git/emacs/trunk/lisp/calenda..." (51128996 64768))
    find-file-noselect("/srv/data/home/e/eliz/git/emacs/trunk/lisp/calenda...")
    
autoload-find-generated-file("/srv/data/home/e/eliz/git/emacs/trunk/lisp/calenda...")
    make-directory-autoloads(("./calendar") 
"/srv/data/home/e/eliz/git/emacs/trunk/lisp/calenda...")
    batch-update-autoloads()
    command-line-1(("-l" "autoload" "--eval" "(setq generate-autoload-cookie 
\";;;###cal-autoload..." "--eval" "(setq generated-autoload-file 
(expand-file-name (u..." "-f" "batch-update-autoloads" "./calendar"))
    command-line()
    normal-top-level()
    eval((normal-top-level) t)
    load("loadup.el")

  make[2]: *** [calendar/cal-loaddefs.el] Error 255