Re: master 05d240997a 2/2: Add native-compile-prune-cache command

[Robert Pluim]

>>>>> On Fri, 22 Jul 2022 19:18:19 +0300, Eli Zaretskii <eliz@gnu.org> said:

    >> From: Robert Pluim <rpluim@gmail.com>
    >> Cc: akrl@sdf.org,  emacs-devel@gnu.org,  larsi@gnus.org
    >> Date: Fri, 22 Jul 2022 17:46:07 +0200
    >> 
    >> >>>>> On Fri, 22 Jul 2022 18:41:09 +0300, Eli Zaretskii <eliz@gnu.org> 
said:
    >> 
    >> >> From: Robert Pluim <rpluim@gmail.com>
    >> >> Cc: emacs-devel@gnu.org,  Lars Ingebrigtsen <larsi@gnus.org>
    >> >> Date: Fri, 22 Jul 2022 17:36:16 +0200
    >> >> 
    >> >> Something like this (untested) in `normal-top-level'?
    >> >> 
    >> >> (unless (featurep 'native-compile)
    >> >> (with-eval-after-load 'comp
    >> >> (display-warning 'comp "This emacs does not support native 
compilation" :warning)))
    >> 
    Eli> Why do we need this, again?
    >> 
    >> I had comp.el loaded in my non-native compile capable Emacs, and tried
    >> to run `native-compile-prune-cacheʼ, which gave me an error. Either we
    >> accept that I did something that shouldnʼt be done, or we try to warn
    >> people that they shouldnʼt do it (or on the gripping hand we add code
    >> to check 'native-compile to a bunch of stuff in comp.el).

    Eli> What would be the reason to load comp.el in such a session?

User error. Some people might write (require ʼcomp) in their
.emacs. Iʼm sure we can come up with lots of scenarios.

Robert
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