GNU bug report logs - #59882
30.0.50; Compilation of ELPA packages during version upgrade (Org 9.6 ELPA upgrade from older ELPA version)

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From: "Cook, Malcolm" <MEC <at> stowers.org>
To: David Masterson <dsmasterson <at> gmail.com>, Michel Schinz <michel <at> schi.nz>
Cc: "emacs-orgmode <at> gnu.org" <emacs-orgmode <at> gnu.org>, "59882 <at> debbugs.gnu.org" <59882 <at> debbugs.gnu.org>
Subject: bug#59882: Multiple versions of Org in load-path problem
Date: Fri, 9 Dec 2022 19:47:59 +0000

> Adding this to bug #59882
> 
> "Michel Schinz" <michel <at> schi.nz> writes:
> 
> > Just for the record, I also ran into problems when installing Org 9.6
> > using Emacs' package system on top of an older version that came with
> > Emacs. If I tried to install it as usual (M-x list-packages, then
> > install the package from there), I had errors during compilation
> > related to `org-assert-version`, and then if I restarted Emacs, I
> > would get a fatal error in an unrelated package.
> >
> > I managed to solve that problem by:
> > 1. uninstalling Org 9.6 and exiting Emacs, 2. starting Emacs with -q,
> > 3. installing Org 9.6 from there (using M-x list-packages as usual),
> > 4. restarting Emacs.
> 
> Interesting!  I tried this (essentially) and it worked for my case.  In my case, I
> had a built-in Org-9.3 and I was trying to use list-packages to install Org-9.6. I
> checked that using -q still added Org-9.3 to the load-path, but, since Org
> wasn't loaded, the install via list-packages worked.
> 
> The question is what's the proper way of doing this without '-q'?
> 
> > I'm not sure this is related to your problem, or whether that helps
> > (but I hope it does)...
> 
> I think it does.
> 
> Side note:
> 
> In my testing, I found a strange case where, in *scratch*, I get:
> 
> (message "%s" org-version)
> ;; Error undefined
> ;; Do 'C-h v org-version'
> (message "%s" org-version)
> 9.3
> 
> So, 'describe-variable' on org-version causes Org to be loaded?!?  [Cook, Malcolm] 

Yes.  See https://www.gnu.org/software/emacs/manual/html_node/elisp/Autoload-by-Prefix.html

But it will NOT be autoloaded if you first:

(clrhash  definition-prefixes)

HTH & YMMV,

Malcolm

> Why do I
> have a feeling this is related to this bug?

Yeah, I'm not sure what you consider the bug to be now.  Remind me?

> 
> --
> David Masterson

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