From 53c39a494ffb71ce5480f55e4dc70dc6a73e65e2 Mon Sep 17 00:00:00 2001
From: Kyle Meyer <kyle@kyleam.com>
Date: Mon, 27 May 2024 22:43:00 -0400
Subject: [PATCH] org-ctags: Don't assume ctags-program-name is bound

* lisp/org-ctags.el (org-ctags-path-to-ctags): Fall back to "ctags" if
ctags-program-name isn't bound because that wasn't introduced until
Emacs 30.

This is a follow-up commit to the port of Emacs's 9082b4e6e.
---
 lisp/org-ctags.el | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/lisp/org-ctags.el b/lisp/org-ctags.el
index b2f005846..98a00d2c3 100644
--- a/lisp/org-ctags.el
+++ b/lisp/org-ctags.el
@@ -162,9 +162,11 @@ Format is: /REGEXP/TAGNAME/FLAGS,TAGTYPE/
 See the ctags documentation for more information.")
 
 (defcustom org-ctags-path-to-ctags
-  (if (executable-find "ctags-exuberant")
-      "ctags-exuberant"
-    ctags-program-name)
+  (cond ((executable-find "ctags-exuberant")
+         "ctags-exuberant")
+        ((boundp 'ctags-program-name)
+         ctags-program-name)
+        (t "ctags"))          ; Emacs < 30
   "Name of the ctags executable file."
   :version "24.1"
   :type 'file)