GNU bug report logs - #46256
[feature/native-comp] AOT eln files ignored if run from build tree

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Andrea Corallo <akrl <at> sdf.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#46256: closed ([feature/native-comp] AOT eln files ignored if
 run from build tree)
Date: Sun, 28 Feb 2021 21:05:02 +0000

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Your message dated Sun, 28 Feb 2021 21:04:43 +0000
with message-id <xjfv9abdhuc.fsf <at> sdf.org>
and subject line Re: bug#46256: [feature/native-comp] AOT eln files ignored if run from build tree
has caused the debbugs.gnu.org bug report #46256,
regarding [feature/native-comp] AOT eln files ignored if run from build tree
to be marked as done.

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From: Andy Moreton <andrewjmoreton <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: [feature/native-comp] AOT eln files ignored if run from build tree
Date: Tue, 2 Feb 2021 11:11:08 +0000

Hi,

I have built emacs native-comp branch for 64bit Mingw64 with
NATIVE_FULL_AOT=1 (out of tree, so build dir != source dir).

I notice that if I run the built emacs from the build dir then the
prebuilt .eln files are ignored, and async compilation of the .eln file
happens again to add them to the user eln-cache dir.

The prebuilt .eln files are not found in the user eln-cache (expected)
or the installed emacs directory (also expected), but it looks like it
does not also check the build dir (relative to the running emacs rather
than relative to the install prefix).

Running from the build dir without installing is common for developers
building from source, so it would be useful to keep this working with
native AOT builds.

    AndyM

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From: Andrea Corallo <akrl <at> sdf.org>
To: Andy Moreton <andrewjmoreton <at> gmail.com>
Cc: 46256-done <at> debbugs.gnu.org
Subject: Re: bug#46256: [feature/native-comp] AOT eln files ignored if run
 from build tree
Date: Sun, 28 Feb 2021 21:04:43 +0000

Andy Moreton <andrewjmoreton <at> gmail.com> writes:

> On Sat 27 Feb 2021, Andy Moreton wrote:
>
>> On Sat 27 Feb 2021, Andrea Corallo via "Bug reports for GNU Emacs, the Swiss army knife of text editors" wrote:
>>
>>> Andy Moreton <andrewjmoreton <at> gmail.com> writes:
>>>> There are still some elisp files that did not get native compiled when
>>>> the build was done with "make -j8 NATIVE_FULL_AOT=1", and so get async
>>>> compiled when running the built emacs:
>>>>
>>>>   ansi-color auth_source byte-opt bytecomp cconv cl-extra cl-lib cl-macs
>>>>   cl-seq comint comp comp-cstr cus-edit cus-start desktop
>>>>   display-fill-column-indicator easy-mmode easymenu edmacro eieio
>>>>   eieio-core frameset gv help-mode hl-line image-file info json kmacro
>>>>   map minibuf-eldef package paren password-cache pcase pp ring rx seq
>>>>   subr-x time-date warnings wid-edit
>>>>
>>>> That may be a result of the error during the build.
>>>
>>> Mmmmh, that's strange some of these are even compiled as COMPILE_FIRST
>>> therfore are certainly native compiled.
>>
>> I suspect that the issue may be with parallel builds (note the "-j8"
>> above). Repeating the build with "-j1" appears to be building the
>> missing .eln files as expected.
>
> Now that the -j1 build has completed (without error), all of the lisp
> files have been compiled AOT as expected, and running the resulting
> emacs does not rebuild any of those .eln files.
>
> So I think there are still some other issues with dependencies and
> handling parallel builds, but this bug has been fixed.

Thanks for checking, I'm closing then.

  Andrea

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