summaryrefslogtreecommitdiff
path: root/lisp/loadhist.el
diff options
context:
space:
mode:
authorKarl Heuer <kwzh@gnu.org>1998-09-21 16:32:55 +0000
committerKarl Heuer <kwzh@gnu.org>1998-09-21 16:32:55 +0000
commit1cc0e307890475daee3c32e7814419482d094af5 (patch)
tree71f7f89c941f30149f6c7dc534e634eb6f181dbe /lisp/loadhist.el
parentcac84ff0a204e5e3a98d6c962e4528fb137575f9 (diff)
downloademacs-1cc0e307890475daee3c32e7814419482d094af5.tar.gz
(load-history-loaded): New variable.
(symbol-file): Load etc/fns-VERSION.el if that has not been done.
Diffstat (limited to 'lisp/loadhist.el')
-rw-r--r--lisp/loadhist.el9
1 files changed, 9 insertions, 0 deletions
diff --git a/lisp/loadhist.el b/lisp/loadhist.el
index 1c727688ce7..5cebf2d63c4 100644
--- a/lisp/loadhist.el
+++ b/lisp/loadhist.el
@@ -31,9 +31,18 @@
;;; Code:
+(defvar load-history-loaded nil
+ "Non-nil means we have loaded the file `etc/fns-VERSION.el'.
+That file records the part of `load-history' for preloaded files,
+which is cleared out before dumping to make Emacs smaller.")
+
(defun symbol-file (sym)
"Return the input source from which SYM was loaded.
This is a file name, or nil if the source was a buffer with no associated file."
+ (unless load-history-loaded
+ (load (expand-file-name (format "fns-%s.el" emacs-version)
+ data-directory))
+ (setq load-history-loaded t))
(catch 'foundit
(mapcar
(function (lambda (x) (if (memq sym (cdr x)) (throw 'foundit (car x)))))