linux-kernel - Re: [PATCH] kbuild: remove PYTHON variable

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Date:   Tue, 2 Feb 2021 05:58:51 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     Jonathan Corbet <corbet@....net>
Cc:     Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        "open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
        Fenghua Yu <fenghua.yu@...el.com>,
        Michal Marek <michal.lkml@...kovi.net>,
        Tony Luck <tony.luck@...el.com>, linux-ia64@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] kbuild: remove PYTHON variable

On Tue, Feb 2, 2021 at 1:38 AM Jonathan Corbet <corbet@....net> wrote:
>
> Masahiro Yamada <masahiroy@...nel.org> writes:
>
> > Python retired in 2020, and some distributions do not provide the
> > 'python' command any more.
> >
> > As in commit 51839e29cb59 ("scripts: switch explicitly to Python 3"),
> > we need to use more specific 'python3' to invoke scripts even if they
> > are written in a way compatible with both Python 2 and 3.
> >
> > This commit removes the variable 'PYTHON', and switches the existing
> > users to 'PYTHON3'.
> >
> > BTW, PEP 394 (https://www.python.org/dev/peps/pep-0394/) is a helpful
> > material.
> >
> > Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
>
> So this will have the effect of making the docs build impossible for
> folks who only have Python 2.


Is this a problem?  Python 2 is EOL.

Everybody who wants to use Python
must install Python 3.


Rather, people are screaming
that the 'python' command does not exist.




>  As I said before, this is a step that we
> knew was coming, we just hadn't decided on the exact timing - I guess
> this decides for us :)
>
> That said, I'll copy linux-doc to see if anybody screams.  I assume this
> is a 5.12 change?


No, I am planning to do this for 5.11
(a pull request this week if there is no objection).








> Thanks,
>
> jon
>


-- 
Best Regards
Masahiro Yamada