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From: Alex ter Weele <alex.ter.weele@gmail.com>
To: Alex ter Weele <alex.ter.weele@gmail.com>
Cc: help-guix@gnu.org
Subject: Re: GTK applications crash on start
Date: Sat, 03 Mar 2018 12:47:37 -0600	[thread overview]
Message-ID: <87lgf9808m.fsf@librem.i-did-not-set--mail-host-address--so-tickle-me> (raw)
In-Reply-To: <87po4l80yb.fsf@librem.i-did-not-set--mail-host-address--so-tickle-me> (Alex ter Weele's message of "Sat, 03 Mar 2018 12:32:12 -0600")

Alex ter Weele <alex.ter.weele@gmail.com> writes:

>
>     $ echo $LD_LIBRARY_PATH
>
>     $ echo $LD_PRELOAD
>     /gnu/store/hfz0z0fs14jgl0kzk5hid2msr83lxii1-spectrwm-3.1.0/lib/libswmhack.so.0.0
>
> That's weird, looks like my WM set LD_PRELOAD. I wouldn't have expected
> that. And sure enough, with LD_PRELOAD unset:
>
>     $ LD_PRELOAD= emacs -Q --eval "(kill-emacs)"
>     ...(GTK warnings omitted)
>     $ echo $?
>     0
>
> So why and how does spectrwm set LD_PRELOAD? I can't figure this out.

OK, I figured it out:
https://github.com/conformal/spectrwm/blob/SPECTRWM_3_1_0/spectrwm.c#L3764. Looks
like it injects libswmhack.so so that it can intercept X events,
e.g. https://github.com/conformal/spectrwm/blob/SPECTRWM_3_1_0/lib/swm_hack.c#L137

  reply	other threads:[~2018-03-03 18:47 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-01  3:37 GTK applications crash on start Alex ter Weele
2018-03-02 13:56 ` Ludovic Courtès
2018-03-02 14:05   ` Alex ter Weele
2018-03-02 16:05     ` Ludovic Courtès
2018-03-02 19:42       ` Alex ter Weele
2018-03-02 22:39 ` Ludovic Courtès
2018-03-03 18:32   ` Alex ter Weele
2018-03-03 18:47     ` Alex ter Weele [this message]
2018-03-05  8:34       ` Ludovic Courtès

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