Subject: Re: bug#36022: 26.2.50; errors byte-compiling gnus.el

From: "Basil L. Contovounesios" <[email-masked]>
Date: Sat, 01 Jun 2019 20:43:43 +0100

Noam Postavsky <[email-masked]> writes:

> Sven Joachim <[email-masked]> writes:
>
>>> | In gnus-interactive:
>>> | gnus/gnus.el:3335:15:Error: Forgot to expand macro gnus-data-header
>>> | in (gnus-data-header (gnus-data-find (gnus-summary-article-number)))
>>> | gnus/gnus.el:3337:11:Error: Forgot to expand macro gnus-data-find in (gnus-data-find (gnus-summary-article-number))
>>> | gnus/gnus.el:3337:29:Error: Forgot to expand macro gnus-summary-article-number in (gnus-summary-article-number)
>>> | make[1]: *** [Makefile:297: gnus/gnus.elc] Fehler 1
>>> `----
>>>
>>> The same error occurs on a fresh bootstrap, however I can successfully
>>> byte-compile gnus.elc with a snapshot from May 12, so something has
>>> broken in the meantime on emacs-26.
>>
>> Bisection showed that commit 134edc10367a8434167656e631865c85b5f10c42
>> ("Warn about wrong number of args for subrs (Bug#35767))" is the
>> culprit.
>
> I think this exposes what is arguably a bug in gnus.el, the
> eval-when-compile around line 2378:
>
>     ;; Define some autoload functions Gnus might use.
>     (eval-and-compile
>
>       ;; This little mapcar goes through the list below and marks the
>       ;; symbols in question as autoloaded functions.
>
> is autoloading gnus-data-header, gnus-data-find, and
> gnus-summary-article-number as functions (i.e., the TYPE arg is nil),
> even though they're actually macros.
>
> But, we shouldn't start messing with that in the release branch

Glenn already fixed this[1], right?  (Thanks Glenn!)

[1: 008b263fee]: * lisp/gnus/gnus.el: Mark autoloaded macros as such.
  2019-06-01 11:33:25 -0700
  https://git.savannah.gnu.org/cgit/emacs.git/commit/?id=008b263feeba8951a95bec93ec0a9e263cf230f7

-- 
Basil