From 6ca714f3c8a8379dd896c255b3e12bbc2d7024cd Mon Sep 17 00:00:00 2001
From: Eshel Yaron <me@eshelyaron.com>
Date: Sun, 22 Jan 2023 10:20:13 +0200
Subject: [PATCH] don't use file-name-split for compatibility with older
 Emacsen

---
 sweeprolog.el | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/sweeprolog.el b/sweeprolog.el
index c05cd78..38fe0e0 100644
--- a/sweeprolog.el
+++ b/sweeprolog.el
@@ -861,12 +861,7 @@ PROJECT (only on Emacs 28 or later)."
       (when (fboundp 'project-known-project-roots)
         (car (seq-filter
               (lambda (root)
-                (member (car
-                         (reverse
-                          (seq-filter
-                           (lambda (s)
-                             (not (string-empty-p s)))
-                           (file-name-split root))))
+                (member (file-name-base (directory-file-name root))
                         '("swipl" "swipl-devel")))
               (project-known-project-roots)))))))
 
-- 
2.39.2