No such file or directory, popup

[pauline-galea@gmx.com]

> Sent: Wednesday, May 26, 2021 at 3:10 AM
> From: "Philip Kaludercic" <philipk@posteo.net>
> To: pauline-galea@gmx.com
> Cc: "Help Gnu Emacs" <help-gnu-emacs@gnu.org>
> Subject: Re: No such file or directory, popup
>
> pauline-galea@gmx.com writes:
>
> >> > Emacs 28.0.50 complains with
> >> >
> >> > File is missing: Cannot open load file, No such file or directory, popup
> >>
> >> Popup is a third-party library[0], that other third-party packages use.
> >>
> >> It would seem you (manually?) installed a package that requires a
> >> dependency (popup) you do not provide. From your other message I guess
> >> it is auto-complete. Have you considered using company? AFAIK it is
> >> usually the preferred auto-completion framework nowadays.
> >
> > I would agree with your evaluation because it is first being called by auto-complete.
> > Was not aware of "company" as "auto-complete" was what I had been introduced to.
> >
> > Have checked and found that "company" is part of GNU ELPA.  I am trying to understand
> > an important here.  I have installed "Emacs 25" from my package  manager.  Later I
> > installed Emacs 27.1 and am trying out the latest development version.
> >
> > One thing that I am finding confusing is what happens when you install an emacs
> > package, because it does not look as though, the setup will apply to the latest
> > development verison, even if I use the same init files.
>
> How did you install 25 and 27.1? It might be that they are using some
> configuration specific to your system that adds additional directories
> to load elisp from, that the development version is missing. Does
> anything change if you run

Emacs 25 was installed from my package manager (synaptic).  Installed Emacs
27.1 using "sudo add-apt-repository".  Emacs 28 from source.

>          $ emacs --no-site-lisp
>
> with an older version?
>
> (Also, how did you install auto-complete? Via M-x package-install or
> your system package manager?)

Am not so sure how I installed auto-complete at the time.

> --
> 	Philip K.
>