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Re: Preview: portable dumper

From: Daniel Colascione
Subject: Re: Preview: portable dumper
Date: Sun, 25 Feb 2018 22:23:43 -0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0

On 02/21/2018 02:04 PM, Phillip Lord wrote:
Stefan Monnier <address@hidden> writes:

I do wonder whether it makes sense to try to copy the dump into the
Emacs executable itself instead of leaving it as a separate file.

We could try, but:
- it adds complexity and maybe system-dependent hacks.
- it closes the opportunity to have several dump files for a single
   executable (I was thinking we could try and let end-users build their
   own dump file).

While I've got little to add the discussion of the innards, this
occurred to me also. In fact, I've been trying it -- I figured that
a "redump Emacs after load .emacs" would be a fairly attractive option,
especially if it was automated.

Anyway, at the moment, I can't get it to work. Calling this:

(dump-emacs-portable "~/scratch/test.pdmp")

after loading my .emacs works (early versions crashed, so something's
been fixed there). However, trying to use this:

./src/emacs -q --dump-file ~/scratch/test.pdmp
emacs: could not load dump file "/home/phillord/scratch/test.pdmp": not a dump 

I'm able to re-dump now. Can you try it again?

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