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Re: Texinfo-mode: C-c C-c TeX RET gives an error

From: Ikumi Keita
Subject: Re: Texinfo-mode: C-c C-c TeX RET gives an error
Date: Wed, 15 Jun 2022 16:15:11 +0900

Hi all,

>>>>> jfbu <> writes:
> Le 14/06/2022 à 14:19, Arash Esbati a écrit :
>> I'm facing a problem when trying to compile a .texinfo file in
>> Texinfo-mode with 'C-c C-c TeX RET' returns the following error:
>> --8<---------------cut here---------------start------------->8---
>> Debugger entered--Lisp error: (void-variable compilation-in-progress)
>> TeX-run-command("TeX" "pdftex  -file-line-error   -interaction=nonstopmode  
>> auctex.texi" "auctex")
>> TeX-run-format("TeX" "pdftex  -file-line-error   -interaction=nonstopmode  
>> auctex.texi" "auctex")
>> TeX-run-TeX("TeX" "pdftex  -file-line-error   -interaction=nonstopmode  
>> auctex.texi" "auctex")
>> TeX-command("TeX" TeX-master-file nil)
>> TeX-command-master(nil)
>> funcall-interactively(TeX-command-master nil)
>> command-execute(TeX-command-master)
>> --8<---------------cut here---------------end--------------->8---
>> I can reproduce this also with 'emacs -Q'.  Loading the library
>> compile.el manually lets it disappear.  I don't see the error in
>> LaTeX-mode.  Before start digging, anybody an idea where this comes
>> from?  TIA.

Sorry, it was me. :-(

> FWIW the problem does not arise with release_12_2 checkout of the git repo.

> I did "git log --grep 'compilation-in-progress'" and with --oneline option 
> the output is

> be71fb7e Delete bogus defvar
> 087b0300 Simplify mode line for emacs 27
> e78a13c0 * tex-buf.el: Address some compiler warnings

> I could eliminate the first as culprit by installing fomr its parent.

Actually the first one is responsible:
| be71fb7ea7c425d2afc0a7e42c39dfc90131b40a
| Author:     Ikumi Keita <>
| AuthorDate: Tue Dec 22 22:36:26 2020 +0900
| [...]
| modified   tex-buf.el
| @@ -1851,12 +1851,6 @@ variable is nil."
|  ;;; Process Control
| -
| -;; This variable is shared with `compile.el'.
| -;; FIXME: Then it should not be defvar'd here!
| -(defvar compilation-in-progress nil
| -  "List of compilation processes now running.")

It's true that AUCTeX shouldn't have defvar with value for variable
defined in another library, but I should have added (require 'compile)
at suitable location instead at the same time.

Thank you Tassilo for fixing this up.

Ikumi Keita
#StandWithUkraine #StopWarInUkraine

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