bug#64981: GTK4 applications broken (missing libGLESv2)

[Efraim Flashner <efraim@flashner.co.il>]

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On Tue, Aug 01, 2023 at 12:06:31AM +0200, Csepp wrote:
> for example:
> $ transmission-gtk
> Couldn't open libGLESv2.so.2: libGLESv2.so.2
> 
> I get the same error with Tuba.  It likely affects other applications.
> 
> Guix commit: 182be30
> System: x86_64

I've been getting this too, I'm "glad" to see I'm not the only one.  If
I set GSK_RENDERER=cairo (the fallback renderer) then I can launch gtk4
applications.

(ins)efraim@pbp ~$ guix shell mesa-utils -- glxinfo | grep 'profile version string'
OpenGL core profile version string: 3.1 Mesa 23.1.4
OpenGL ES profile version string: OpenGL ES 3.1 Mesa 23.1.4
(ins)efraim@pbp ~$ guix shell mesa-utils -- eglinfo | grep -B2 -A1 'version string'
EGL API version: 1.4
EGL vendor string: Mesa Project
EGL version string: 1.4
EGL client APIs: OpenGL OpenGL_ES
--
EGL API version: 1.4
EGL vendor string: Mesa Project
EGL version string: 1.4
EGL client APIs: OpenGL OpenGL_ES
--
EGL API version: 1.4
EGL vendor string: Mesa Project
EGL version string: 1.4
EGL client APIs: OpenGL OpenGL_ES

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Efraim Flashner   <efraim@flashner.co.il>   רנשלפ םירפא
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