From: Eli Zaretskii <eliz@gnu.org>
To: Michael Welsh Duggan <mwd@md5i.com>
Cc: emacs-devel@gnu.org
Subject: Re: Native compile: excessive recompilation?
Date: Mon, 17 May 2021 22:37:52 +0300 [thread overview]
Message-ID: <83tun1rw1b.fsf@gnu.org> (raw)
In-Reply-To: <87a6otmba5.fsf@md5i.com> (message from Michael Welsh Duggan on Mon, 17 May 2021 15:05:06 -0400)
> From: Michael Welsh Duggan <mwd@md5i.com>
> Date: Mon, 17 May 2021 15:05:06 -0400
>
> I, from scratch, built Emacs with native compilation and built and
> installed using NATIVE_FULL_AOT=1. There is indeed a
> /usr/local/lib/emacs/28.0.50/native-lisp dir with a directory that
> contains the natively-compiled files. However, if I start emacs, even
> with -Q, from a fresh user, files get compiled and put into the user
> native compilation cache (~/.emacs.d/eln-cache/...). Has anyone else
> noticed this? Or have I just made a mistake somewhere when testing
> this?
>
> If I use emacs -Q and do `C-h i', I get compilations for the following
> files:
>
> bytecomp-12882072-ffdd30ae.eln comp-cstr-ef162ef7-c492cd97.eln
> byte-opt-9c5f25f5-b7c94b77.eln gv-e0cf7478-eac584a4.eln
> cconv-3b1f1f98-ac4628a4.eln help-mode-d4dbae3d-034e8cf5.eln
> cl-extra-d7051cba-ff815ded.eln info-ce12c0ca-3d2b00fd.eln
> cl-lib-8b938900-fbcee53d.eln rx-627d8c83-18b6598f.eln
> cl-macs-7ae82f81-d9748b96.eln seq-c314b42f-4e726806.eln
> cl-seq-f464c4e2-95d0eb23.eln subr-x-02dfef32-04f2924b.eln
> comp-7672a6ed-56d0b5ab.eln warnings-28e75f4d-c98d4e00.eln
>
> I would have thought that it would use the ones in
> /usr/local/lib/emacs/28.0.50/native-lisp instead of recompiling them?
It could be because the abi-hash was modified due to changes elsewhere
in Emacs (e.g., addition of new primitives). Did Emacs create a new
subdirectory in ~/.emacs.d/eln-cache?
> If it can be confirmed that this is a bug, I'll submit a proper bug
> report.
Yes, a bug report would be good.
next prev parent reply other threads:[~2021-05-17 19:37 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-17 19:05 Native compile: excessive recompilation? Michael Welsh Duggan
2021-05-17 19:27 ` Andrea Corallo via Emacs development discussions.
2021-05-18 13:27 ` Michael Welsh Duggan
2021-05-17 19:37 ` Eli Zaretskii [this message]
2021-05-17 20:22 ` T.V Raman
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