XEmacs 21.2.45 "Thelxepeia".
[chise/xemacs-chise.git.1] / lisp / setup-paths.el
index d22ba46..c7a3bf1 100644 (file)
 \f
 ;;; Code:
 
-(defvar paths-core-load-path-depth 1
+(defvar paths-core-load-path-depth 0
   "Depth of load-path searches in core Lisp paths.")
 
 (defvar paths-site-load-path-depth 1
   "Depth of load-path searches in site Lisp paths.")
 
+(defvar paths-mule-load-path-depth 0
+  "Depth of load-path searches in Mule Lisp paths.")
+
 (defvar paths-default-info-directories
   (mapcar (function
           (lambda (dirlist)
                                nil
                                configure-lisp-directory))
 
+(defun paths-find-mule-lisp-directory (roots &optional lisp-directory)
+  "Find the Mule Lisp directory of the XEmacs hierarchy."
+  ;; #### kludge
+  (if lisp-directory
+      (let ((guess
+            (file-name-as-directory
+             (paths-construct-path (list lisp-directory "mule")))))
+       (if (paths-file-readable-directory-p guess)
+           guess
+         (paths-find-version-directory roots "mule-lisp"
+                                       nil
+                                       configure-mule-lisp-directory)))))
+
 (defun paths-find-module-directory (roots)
   "Find the main modules directory of the XEmacs hierarchy."
   (paths-find-architecture-directory roots "modules"
@@ -81,7 +97,7 @@
 (defun paths-construct-load-path
   (roots early-package-load-path late-package-load-path last-package-load-path
         lisp-directory
-        &optional site-lisp-directory)
+        &optional site-lisp-directory mule-lisp-directory)
   "Construct the load path."
   (let* ((envvar-value (getenv "EMACSLOADPATH"))
         (env-load-path
          (and site-lisp-directory
               (paths-find-recursive-load-path (list site-lisp-directory)
                                               paths-site-load-path-depth)))
+        (mule-lisp-load-path
+         (and mule-lisp-directory
+              (paths-find-recursive-load-path (list mule-lisp-directory)
+                                              paths-mule-load-path-depth)))
         (lisp-load-path
          (and lisp-directory
               (paths-find-recursive-load-path (list lisp-directory)
            early-package-load-path
            site-lisp-load-path
            late-package-load-path
+           mule-lisp-load-path
            lisp-load-path
            last-package-load-path)))