Change 'ensure-directories-exist' to look for 'mkdir' in $PATH, not in /bin.

--- maxima-5.36.1/lisp-utils/defsystem.lisp.orig	2014-11-22 16:21:30.000000000 -0500
+++ maxima-5.36.1/lisp-utils/defsystem.lisp	2015-05-25 21:53:31.223648483 -0400
@@ -4627,7 +4627,7 @@
         (cmd (if (member :win32 *features*)
                  (format nil "mkdir \"~a\""
                          (coerce (subst #\\ #\/ (coerce (namestring dir) 'list)) 'string))
-                 (format nil "/bin/mkdir -p ~S" (namestring dir)))))
+                 (format nil "mkdir -p ~S" (namestring dir)))))
    (unless (directory dir)
      (lisp:system cmd))
    ;; The second return value is supposed to be T if directories were
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pan title='2023-08-15 05:26:08 +0200'>2023-08-15</span></td><td><a href='/guix/commit/gnu/packages/patches/notmuch-emacs-test-output.patch?id=d58c6e25ff3d1e70fd9b0e07bdad1b335de8a979'>gnu: notmuch: Fix tests with Emacs 29.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/patches/notmuch-emacs-test-output.patch: New file.
* gnu/local.mk (dist_patch_DATA): Register it here.
* gnu/packages/mail.scm (notmuch)[patches]: Add here.

Signed-off-by: Liliana Marie Prikler &lt;liliana.prikler@gmail.com&gt;
</span></span></td><td>Arjan Adriaanse</td></tr>