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Re: HowTo: Have both native-emacs and emacs installed?

From: Andrea Corallo
Subject: Re: HowTo: Have both native-emacs and emacs installed?
Date: Tue, 25 Aug 2020 06:29:46 +0000
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux)

"T.V Raman" <raman@google.com> writes:

> I built native-emacs with the flag  --program-prefix=native- to
> configure thinking I could then have /usr/local/bin/emacs and
> /usr/local/bin/native-emacs. That part works, however the dumper file
> ends up not having a build-specific name, so  at the end, you can
> still only run one  -- error is:
> 13:52:03 raman-glaptop ~ $ native-emacs -nw
> desired fingerprint: 
> a8411d29f8395f2b0334445e1d6f966aa3b2866974b6779626dd74f69bd61f4f
> found fingerprint: 
> a13aa195c0ea23eb408e4955d4b9bc4d5820e6120e91c9b55d2499abca4f6c82
> emacs: could not load dump file 
> "/usr/local/libexec/emacs/28.0.50/x86_64-pc-linux-gnu/emacs.pdmp": not built 
> for this Emacs executable

Hi Raman,

I see the issue.  I think this is a generic problem that is not just
related to the native compiler configuration but to any that has an
impact on the pdump fingerprint.

Maybe the dump file should include the program-prefix.



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