diff options
Diffstat (limited to 'lisp/emacs-lisp/bytecomp.el')
| -rw-r--r-- | lisp/emacs-lisp/bytecomp.el | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/lisp/emacs-lisp/bytecomp.el b/lisp/emacs-lisp/bytecomp.el index fdd4276e4e7..5fa7389e431 100644 --- a/lisp/emacs-lisp/bytecomp.el +++ b/lisp/emacs-lisp/bytecomp.el @@ -1888,25 +1888,27 @@ The value is non-nil if there were no errors, nil if errors." (insert "\n") ; aaah, unix. (if (file-writable-p target-file) ;; We must disable any code conversion here. - (let* ((coding-system-for-write 'no-conversion) - ;; Write to a tempfile so that if another Emacs - ;; process is trying to load target-file (eg in a - ;; parallel bootstrap), it does not risk getting a - ;; half-finished file. (Bug#4196) - (tempfile (make-temp-name target-file)) - (kill-emacs-hook - (cons (lambda () (ignore-errors (delete-file tempfile))) - kill-emacs-hook))) - (write-region (point-min) (point-max) tempfile nil 1) - ;; This has the intentional side effect that any - ;; hard-links to target-file continue to - ;; point to the old file (this makes it possible - ;; for installed files to share disk space with - ;; the build tree, without causing problems when - ;; emacs-lisp files in the build tree are - ;; recompiled). Previously this was accomplished by - ;; deleting target-file before writing it. - (rename-file tempfile target-file t) + (progn + (let* ((coding-system-for-write 'no-conversion) + ;; Write to a tempfile so that if another Emacs + ;; process is trying to load target-file (eg in a + ;; parallel bootstrap), it does not risk getting a + ;; half-finished file. (Bug#4196) + (tempfile (make-temp-file target-file)) + (kill-emacs-hook + (cons (lambda () (ignore-errors + (delete-file tempfile))) + kill-emacs-hook))) + (write-region (point-min) (point-max) tempfile nil 1) + ;; This has the intentional side effect that any + ;; hard-links to target-file continue to + ;; point to the old file (this makes it possible + ;; for installed files to share disk space with + ;; the build tree, without causing problems when + ;; emacs-lisp files in the build tree are + ;; recompiled). Previously this was accomplished by + ;; deleting target-file before writing it. + (rename-file tempfile target-file t)) (or noninteractive (message "Wrote %s" target-file))) ;; This is just to give a better error message than write-region (let ((exists (file-exists-p target-file))) |