Variable: etags-regen-program
etags-regen-program is a customizable variable defined in
etags-regen.el.gz.
Value
"etags"
Documentation
Name of the etags program used by etags-regen-mode(var)/etags-regen-mode(fun).
If you only have ctags installed, you can also set this to
"ctags -e". Some features might not be supported this way.
This variable was added, or its default value changed, in Emacs 30.1.
Source Code
;; Defined in /usr/src/emacs/lisp/progmodes/etags-regen.el.gz
(defcustom etags-regen-program etags-program-name
"Name of the etags program used by `etags-regen-mode'.
If you only have `ctags' installed, you can also set this to
\"ctags -e\". Some features might not be supported this way."
;; Always having our 'etags' here would be easier, but we can't
;; always rely on it being installed. So it might be ctags's etags.
:type 'file
:version "30.1")