Re: source of `package cl is deprecated'

[Omar Polo]

Leo Butler <leo.butler@umanitoba.ca> writes:

> I updated/upgraded my debian system this morning, which pulled in emacs
> 27.1.
>
> A number of my home-rolled emacs extensions relied on cl; I have
> migrated them to cl-lib, but there is an extension that is still causing
> emacs to emit the above-mentioned warning on start-up (and when run with
> --daemon, emacs halts and must be killed, which I guess is a bug).
>
> Question: how do I trace/find the offending bit of code? Ideally, I
> would like to be able to force an error and use the debugger, but I
> can't figure out how to do that.
>
> TIA,
> Leo

You can find which files depends on cl using something like this IIRC

    (require 'loadhist)
    (file-dependents (feature-file 'cl))

Anyway, using cl shouldn’t cause emacs to hang, so that must be a
separate bug.

HTH