bug#71705: 30.0.50; Emacs as build tool fails to launch after update

[Eli Zaretskii <eliz@gnu.org>]

> From: "Dr. Arne Babenhauserheide" <arne_bab@web.de>
> Cc: 71705@debbugs.gnu.org
> Date: Fri, 21 Jun 2024 23:49:10 +0200
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> >> Date: Fri, 21 Jun 2024 15:19:18 +0200
> >> From:  "Dr. Arne Babenhauserheide" via "Bug reports for GNU Emacs,
> >>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> >> 
> >> a correction: it wasn’t Emacs 30 vs. 29. The actual change is the guix
> >> update from Generation 1287 to 1288. In 1287 it works. In 1288 it breaks:
> >
> > Sorry, I don't know what this generation number means.  How about
> > reporting this to Guix folks first?
> 
> I’ll also report it there.
> 
> This means that some packages changed. I’ll remove the ones where I’m
> pretty sure that they won’t be causing problems:
> 
> Generation 1288	21. Juni 2024 11:55:59
>  + arc-theme        	20221218       	
>  + emacs-auctex     	14.0.5         	
>  + emacs-bbdb       	3.2.2.4        	
>  + emacs-compat     	29.1.4.5       	
>  + emacs-elfeed-org 	0.1-1.77b6bbf  	
>  + emacs-emms       	20             	
>  + emacs-exwm       	0.30           	
>  + emacs-geiser-guile	0.28.1         	
>  + emacs-ghub       	3.6.0          	
>  + emacs-helm-emms  	1.3-3.37e5aa0  	
>  + emacs-helm-exwm  	0.0.2          	
>  + emacs-helm-firefox	1.3            	
>  + emacs-magit      	3.3.0-7.dda332b	
>  + emacs-org-contrib	0.5            	
>  + emacs-org-edit-latex	0.8.3          	
>  + emacs-transient  	0.7.0          	
>  + emacs-xref       	1.7.0          	
>  + python-tldr      	3.2.0          	
>  + texlive-scheme-medium	66594       
> 
> Can a change in the version of these packages cause the problem?

I don't really know, but the emacs-org-* ones would be my first
suspect.  It could also be something unrelated, like the change in
startup files.