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bug#39233: .elc file - possibly outdated backward compatibility comments
From: |
Glenn Morris |
Subject: |
bug#39233: .elc file - possibly outdated backward compatibility comments |
Date: |
Fri, 24 Jan 2020 14:19:08 -0500 |
User-agent: |
Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/) |
Stefan Monnier wrote:
> + (format "(if (< emacs-major-version %d)\n"
> + ;; Let's allow silently loading into Emacs-27
> + ;; files compiled with Emacs-28.0.NN since the two can
> + ;; be almost identical (e.g. right after cutting the
> + ;; release branch) and people running the development
> + ;; branch can be presumed to know that it's risky anyway.
> + (if (zerop emacs-minor-version)
> + (1- emacs-major-version) emacs-major-version))
> + (format " (message \"BEWARE: %%S was compiled by a more recent
> version of Emacs (%s)\" #$))" emacs-version)
> + "\n\n"))))
This looks like an unsuppressible warning using a non-standard format
("BEWARE"), hard-coded into the elc?
I had thought you would be doing this in lread.c, behind an option,
similar to the existing load_dangerous_libraries.
I guess the advantage (...) of your version is that it will have an
immediate effect in pre-existing Emacs versions.
- bug#39233: .elc file - possibly outdated backward compatibility comments, (continued)
- bug#39233: .elc file - possibly outdated backward compatibility comments, Stefan Monnier, 2020/01/23
- bug#39233: .elc file - possibly outdated backward compatibility comments, Eli Zaretskii, 2020/01/24
- bug#39233: .elc file - possibly outdated backward compatibility comments, Eli Zaretskii, 2020/01/24
- bug#39233: .elc file - possibly outdated backward compatibility comments, Stefan Monnier, 2020/01/24
- bug#39233: .elc file - possibly outdated backward compatibility comments, Stefan Monnier, 2020/01/24
- bug#39233: .elc file - possibly outdated backward compatibility comments, Stefan Kangas, 2020/01/24
- bug#39233: .elc file - possibly outdated backward compatibility comments, Stefan Monnier, 2020/01/24
- bug#39233: .elc file - possibly outdated backward compatibility comments,
Glenn Morris <=
- bug#39233: .elc file - possibly outdated backward compatibility comments, Eli Zaretskii, 2020/01/24