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Re: GTK applications crash on start
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From: |
Alex ter Weele |
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Subject: |
Re: GTK applications crash on start |
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Date: |
Sat, 03 Mar 2018 12:47:37 -0600 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux) |
Alex ter Weele <address@hidden> 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