Re: Bug? org-assert-version does not prevent mixed install

[Ihor Radchenko <yantar92@posteo.net>]

Max Nikulin <manikulin@gmail.com> writes:

>> We might do something like
>> 
>> (eval-and-compile (org-assert-version))
>
> This will give obscure error during compiling since `org-assert-version' 
> is not defined.
>
> Unsure what will happen during load of the org.el file since org.elc is 
> not produced. Perhaps the same cryptic error, but I can not explain it.

Yes, but we will at least abort the compilation this way.

> My idea (unchecked)
>
> ;; Remove when support of Emacs-29 is dropped.
> (unless (fboundp 'org-assert-version)
>    (error "Org is compiled or loaded while older version loaded already. 
>   Please, ensure that no other org versions are loaded and recompile."))

I guess we can use the same error with what `org-assert-version' itself
throws:

(error "Org version mismatch.  Make sure that correct `load-path' is set early in init.el")

If you can, please check it. (AFAIU, you do have a setup where you can
reproduce the installation problem)

-- 
Ihor Radchenko // yantar92,
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