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

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Message #508 received at 46256 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Alan Mackenzie <acm <at> muc.de>
Cc: 46256 <at> debbugs.gnu.org, andrewjmoreton <at> gmail.com, pipcet <at> gmail.com,
 akrl <at> sdf.org
Subject: Re: bug#46256: [feature/native-comp] AOT eln files ignored if run from
 build tree
Date: Tue, 09 Mar 2021 18:30:57 +0200

> Date: Tue, 09 Mar 2021 14:55:57 +0200
> From: Eli Zaretskii <eliz <at> gnu.org>
> Cc: 46256 <at> debbugs.gnu.org, andrewjmoreton <at> gmail.com, pipcet <at> gmail.com
> 
> > From: Andrea Corallo <akrl <at> sdf.org>
> > Cc: pipcet <at> gmail.com, 46256 <at> debbugs.gnu.org, andrewjmoreton <at> gmail.com
> > Date: Tue, 09 Mar 2021 07:03:01 +0000
> > 
> > > Can you tell why are we loading the same .eln files more than once?
> > 
> > I guess `load' was called two times on the same filename.
> 
> Is this likely to happen?  Our code generally uses 'require', which
> should avoid that.

Answering my own question here: it can easily happen due to use of
cc-require in cc-*.el files.  Alan, why does CC mode use this
technique? what is the purpose of always loading a Lisp file even if
it was already loaded?

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