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bug#61733: emacs-dump-portable fails in 29.0.60
From: |
Eli Zaretskii |
Subject: |
bug#61733: emacs-dump-portable fails in 29.0.60 |
Date: |
Fri, 24 Feb 2023 09:06:22 +0200 |
> From: Lynn Winebarger <owinebar@gmail.com>
> Date: Thu, 23 Feb 2023 17:48:19 -0500
> Cc: 61733@debbugs.gnu.org
>
> On Thu, Feb 23, 2023 at 9:50 AM Eli Zaretskii <eliz@gnu.org> wrote:
> > > From: Lynn Winebarger <owinebar@gmail.com>
> > > Date: Thu, 23 Feb 2023 07:55:53 -0500
> > >
> > > These issues make switching to 29.1 a non-starter for users relying on
> > > redumping to make startup time reasonable.
> >
> > No one should be relying on redumping, because Emacs does not (yet)
> > support that.
>
> In what sense?
In the sense that it doesn't yet work reliably. If it works for
someone, it's sheer luck. E.g., see this:
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34936#16
> The normal-top-level function is brittle, as is the system for setting
> customization variables at startup. But those issues are separate
> from the redumping functionality, by which I only mean invoking
> dump-emacs-portable outside of dump-mode.
They are not separate, they are all part of a large problem: some
initialization code in Emacs doesn't support multiple restarts.