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bug#49118: 28.0.50; Error: File error Opening output file
From: |
Eli Zaretskii |
Subject: |
bug#49118: 28.0.50; Error: File error Opening output file |
Date: |
Sat, 19 Jun 2021 17:55:39 +0300 |
> Cc: 49118@debbugs.gnu.org
> From: Manuel Uberti <manuel.uberti@inventati.org>
> Date: Sat, 19 Jun 2021 16:34:41 +0200
>
> On 19/06/21 16:32, Eli Zaretskii wrote:
> > What happens if you invoke the native-compilation like this:
> >
> > $ emacs -batch -l comp -f batch-native-compile
> > /usr/local/share/emacs/28.0.50/lisp/time.el.gz
> >
> > Does this also fail, and if so, what error message(s) do you see?
>
> This is what I get:
>
> manuel@hathaway:~$ emacs -batch -l comp -f batch-native-compile
> /usr/local/share/emacs/28.0.50/lisp/time.el.gz
> uncompressing time.el.gz...
> uncompressing time.el.gz...done
> Debugger entered--Lisp error: (file-error
> "/usr/local/share/emacs/28.0.50/lisp/time.el.gz" "Opening output file"
> "Cannot
> overwrite file" "/usr/local/share/emacs/28.0.50/lisp/time.elc")
> signal(file-error ("/usr/local/share/emacs/28.0.50/lisp/time.el.gz"
> "Opening
> output file" "Cannot overwrite file"
> "/usr/local/share/emacs/28.0.50/lisp/time.elc"))
> comp--native-compile("/usr/local/share/emacs/28.0.50/lisp/time.el.gz")
> batch-native-compile()
> command-line-1(("-l" "comp" "-f" "batch-native-compile"
> "/usr/local/share/emacs/28.0.50/lisp/time.el.gz"))
> command-line()
> normal-top-level()
Thanks.
Andrea, this means bug#48978 was not entirely fixed: we are still
trying to write the *.elc files when native-compiling. Your last
change prevented Emacs from trying to create a temporary file under
/usr/share/emacs, but it didn't prevent the rest of byte-compile-file
from trying to overwrite the original .elc file, which here causes us
to signal an error. We need to avoid writing the .elc file entirely
in this case, I think.