linux-kernel - Re: pyc files in source dir with O=

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Date:   Wed, 07 Sep 2016 17:05:55 +0300
From:   Jani Nikula <jani.nikula@...ux.intel.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Jonathan Corbet <corbet@....net>,
        Markus Heiser <markus.heiser@...marit.de>,
        "linux-doc\@vger.kernel.org" <linux-doc@...r.kernel.org>,
        "linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: pyc files in source dir with O=

On Wed, 07 Sep 2016, Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
> Hi Jani,
>
> On Wed, Sep 7, 2016 at 3:28 PM, Jani Nikula <jani.nikula@...ux.intel.com> wrote:
>> On Wed, 07 Sep 2016, Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
>>> When running "make htmldocs O=/path/to/somewhere", *.pyc files end up
>>> in the source tree instead of in the build tree:
>>>
>>>     $ git ls-files -o
>>>     Documentation/sphinx/kernel-doc.pyc
>>>     Documentation/sphinx/kernel_include.pyc
>>>     Documentation/sphinx/rstFlatTable.pyc
>>>     $
>>>
>>> This is with v4.8-rc5.
>>>
>>> With next-20160907, two more files appear:
>>>
>>>     Documentation/sphinx/cdomain.pyc
>>>     Documentation/sphinx/load_config.pyc
>>
>> This should help
>>
>> diff --git a/Documentation/Makefile.sphinx b/Documentation/Makefile.sphinx
>> index 92deea30b183..a4cba2d1aaf1 100644
>> --- a/Documentation/Makefile.sphinx
>> +++ b/Documentation/Makefile.sphinx
>> @@ -53,6 +53,7 @@ loop_cmd = $(echo-cmd) $(cmd_$(1))
>>
>>  quiet_cmd_sphinx = SPHINX  $@ --> file://$(abspath $(BUILDDIR)/$3/$4);
>>        cmd_sphinx = $(MAKE) BUILDDIR=$(abspath $(BUILDDIR)) $(build)=Documentation/media all;\
>> +       PYTHONDONTWRITEBYTECODE=1 \
>>         BUILDDIR=$(abspath $(BUILDDIR)) SPHINX_CONF=$(abspath $(srctree)/$(src)/$5/$(SPHINX_CONF)) \
>>         $(SPHINXBUILD) \
>>         -b $2 \
>
> Thanks, that works (on next-20160907, doesn't apply to v4.8-rc5).
> But IMHO it's a bit drastic. There's no way to let python create them in the
> build directory instead?

I'm no expert, but the short answer appears to be no [1]. You'd have to
copy the .py files over to the build directory, which is a bit meh.

BR,
Jani.


[1] http://stackoverflow.com/questions/3522079/changing-the-directory-where-pyc-files-are-created




>
> Gr{oetje,eeting}s,
>
>                         Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
>                                 -- Linus Torvalds

-- 
Jani Nikula, Intel Open Source Technology Center