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From: Lars Ingebrigtsen <larsi@gnus.org>
To: Po Lu <luangruo@yahoo.com>
Cc: Stefan Monnier <monnier@iro.umontreal.ca>, emacs-devel@gnu.org
Subject: Re: Preloading xwidget.el on xwidget builds?
Date: Thu, 16 Dec 2021 06:46:54 +0100	[thread overview]
Message-ID: <877dc5je41.fsf@gnus.org> (raw)
In-Reply-To: <87mtl1kud0.fsf@yahoo.com> (Po Lu's message of "Thu, 16 Dec 2021 13:10:35 +0800")

Po Lu <luangruo@yahoo.com> writes:

>> We've been trying to move to a different architecture for detecting
>> whether Emacs has been built with, and currently has access to, external
>> libraries -- `*-available-p'.  It'd be nice if xwidget had that
>> function, too.
>
> The problem is `xwidget' isn't really a library, it's a feature that
> makes use of many different external libraries.

Sorry, I mean "optionally build features".

> Ideally, people would test for the named feature `xwidget-internal',
> but the amount of people who refrained from reading the first
> paragraph of the xwidget node in the Lisp reference manual is
> astonishing.

The first rule of programming is that nobody reads the manual.

(xwidget-available-p 'webkit) could say whether webkit was available,
etc.

>> suggestion -- make `make-xwidget' require widget.el -- is the way to go.
>
> Is calling require okay from C code?  If so, that's what I'll do.

It's unusual, but to work around unfortunate dependencies like this, it
should be OK.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no



  reply	other threads:[~2021-12-16  5:46 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <87v8zpml5d.fsf.ref@yahoo.com>
2021-12-16  0:46 ` Preloading xwidget.el on xwidget builds? Po Lu
2021-12-16  4:33   ` Stefan Monnier
2021-12-16  4:41     ` Po Lu
2021-12-16  4:50       ` Stefan Monnier
2021-12-16  4:51         ` Stefan Monnier
2021-12-16  4:52           ` Po Lu
2021-12-16  5:06             ` Lars Ingebrigtsen
2021-12-16  5:10               ` Po Lu
2021-12-16  5:46                 ` Lars Ingebrigtsen [this message]
2021-12-16  7:46       ` Eli Zaretskii
2021-12-16  7:54         ` Po Lu
2021-12-16  7:39   ` Eli Zaretskii
2021-12-16  7:47     ` Po Lu

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