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From: Eli Zaretskii <eliz@gnu.org>
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Subject: Re: Finding the dump
Date: Sat, 26 Jan 2019 14:17:11 +0200
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> Date: Wed, 23 Jan 2019 19:24:30 +0200
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: emacs-devel@gnu.org
> 
> > > emacs.pdmp should be installed in data-directory, so it should not be
> > > in /usr/bin, AFAIU.  Daniel, please correct me if I'm wrong.
> > 
> > I thought data-directory was for architecture independent files. Do
> > you mean exec-directory?
> 
> Yes, sorry.  And there's a FIXME there to add support for versioned
> emacs-X.Y.Z.pdmp files in that case.  IOW, the hardcoded emacs.pdmp
> should be only the last resort.

Actually, since exec-directory is versioned, there's no problem with
supporting emacs-X.Y.Z versions.  But I added a feature whereby
renaming the Emacs executable and the pdump file to have the same
basename will also work.