linux-kernel - Re: [PATCH v6 04/21] scripts: check-variable-fonts.sh: convert to Python

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Message-ID: <52932ede-eb04-4275-a051-952bc2859cf6@gmail.com>
Date: Wed, 17 Sep 2025 10:09:05 +0900
From: Akira Yokosawa <akiyks@...il.com>
To: mchehab+huawei@...nel.org
Cc: corbet@....net, linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
 Akira Yokosawa <akiyks@...il.com>
Subject: Re: [PATCH v6 04/21] scripts: check-variable-fonts.sh: convert to
 Python

On Tue, 16 Sep 2025 12:22:40 +0200, Mauro Carvalho Chehab wrote:
> This script handle errors when trying to build translations
> with make pdfdocs.
> 
> As part of our cleanup work to remove hacks from docs Makefile,
> convert this to python, preparing it to be part of a library
> to be called by sphinx-build-wrapper.
> 
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>

I could apply up to 05/21 of v6 and did some quick tests under
Fedora (where Noto CJK VF fonts are installed).

At 3/21, "./scripts/check-variable-fonts.sh" doesn't say a word.

At 4/21, "./scripts/check-variable-fonts.py" complains:

=============================================================================
XeTeX is confused by "variable font" files listed below:
    /usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc
    /usr/share/fonts/google-noto-sans-mono-cjk-vf-fonts/NotoSansMonoCJK-VF.ttc
    /usr/share/fonts/google-noto-serif-cjk-vf-fonts/NotoSerifCJK-VF.ttc

For CJK pages in PDF, they need to be hidden from XeTeX by denylisting.
Or, CJK pages can be skipped by uninstalling texlive-xecjk.

For more info on denylisting, other options, and variable font, see header
comments of scripts/check-variable-fonts.py.
=============================================================================

Of course, I have followed the suggestions in the header comments.

So I have to NAK on 4/21.

Regards,
Akira