GNU bug report logs - #41242
Port feature/native-comp to Windows

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Message #239 received at 41242 <at> debbugs.gnu.org (full text, mbox):

From: Andrea Corallo <akrl <at> sdf.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: Nicolas Bértolo <nicolasbertolo <at> gmail.com>,
 41242 <at> debbugs.gnu.org
Subject: Re: bug#41242: Port feature/native-comp to Windows
Date: Sat, 23 May 2020 08:35:43 +0000

Eli Zaretskii <eliz <at> gnu.org> writes:

>> From: Nicolas Bértolo <nicolasbertolo <at> gmail.com>
>> Date: Wed, 20 May 2020 12:46:32 -0300
>> Cc: Andrea Corallo <akrl <at> sdf.org>, 41242 <at> debbugs.gnu.org
>> 
>> When loading a dump file that contains native compiled elisp we try to find the
>> .eln file. This uses Ffile_exists_p(). This function, in turn, calls
>> Fexpand_file_name(). This function will use the root directory as
>> `default_directory' as a fallback.
>> 
>> Getting the root directory requires reading the $emacs_dir environment variable.
>> This is setup later in the initialization process. This caused a crash.
>
> Can you tell why this doesn't happen when *.elc files are used
> instead?  Also, what do you mean by "loading a dump file that contains
> native compiled elisp"? how did native compiled ELisp get into the
> dump file in the first place?

Hi Eli,

you may be interested in this paragraph

https://akrl.sdf.org/gccemacs.html#orgb063106

Regards

  Andrea

-- 
akrl <at> sdf.org

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