diff options
Diffstat (limited to 'lisp')
| -rw-r--r-- | lisp/emacs-lisp/bytecomp.el | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/lisp/emacs-lisp/bytecomp.el b/lisp/emacs-lisp/bytecomp.el index 51accc08654..e23bb9f5e6e 100644 --- a/lisp/emacs-lisp/bytecomp.el +++ b/lisp/emacs-lisp/bytecomp.el @@ -1963,7 +1963,11 @@ See also `emacs-lisp-byte-compile-and-load'." (insert "\n") ; aaah, unix. (cond ((null target-file) nil) ;We only wanted the warnings! - ((file-writable-p target-file) + ((and (file-writable-p target-file) + ;; We attempt to create a temporary file in the + ;; target directory, so the target directory must be + ;; writable. + (file-writable-p (file-name-directory 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 @@ -1992,6 +1996,14 @@ See also `emacs-lisp-byte-compile-and-load'." ;; deleting target-file before writing it. (rename-file tempfile target-file t)) (or noninteractive (message "Wrote %s" target-file))) + ((file-writable-p target-file) + ;; In case the target directory isn't writable (see e.g. Bug#44631), + ;; try writing to the output file directly. We must disable any + ;; code conversion here. + (let ((coding-system-for-write 'no-conversion)) + (with-file-modes (logand (default-file-modes) #o666) + (write-region (point-min) (point-max) target-file nil 1))) + (or noninteractive (message "Wrote %s" target-file))) (t ;; This is just to give a better error message than write-region (let ((exists (file-exists-p target-file))) |