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

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Date:   Sun, 18 Sep 2016 16:53:39 +0200
From:   Markus Heiser <markus.heiser@...marit.de>
To:     Jani Nikula <jani.nikula@...ux.intel.com>
Cc:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Jonathan Corbet <corbet@....net>,
        "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=


Am 07.09.2016 um 15:28 schrieb Jani Nikula <jani.nikula@...ux.intel.com>:

> 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 \
> 
> 
> Side note, I'm really sad the Sphinx build has grown so ugly and
> complicated now. :(

Hi Jani, I feel guilty about this ... 

the "sub-folder" build functionality brought some complexity to
the cmd_sphinx. In the hope, that it helps a bit, I added a small
comment on top ...

# $2 sphinx builder e.g. "html"
# $3 name of the build subfolder / e.g. "media", used as:
#    * dest folder relative to $(BUILDDIR) and
#    * cache folder relative to $(BUILDDIR)/.doctrees
# $4 dest subfolder e.g. "man" for man pages at media/man
# $5 reST source folder relative to $(srctree)/$(src),
#    e.g. "media" for the linux-tv book-set at ./Documentation/media

quiet_cmd_sphinx = SPHINX  $@ --> file://$(abspath $(BUILDDIR)/$3/$4);
      cmd_sphinx = $(MAKE) BUILDDIR=$(abspath $(BUILDDIR)) $(build)=Documentation/media all;\
	BUILDDIR=$(abspath $(BUILDDIR)) SPHINX_CONF=$(abspath $(srctree)/$(src)/$5/$(SPHINX_CONF)) \
	$(SPHINXBUILD) \
	-b $2 \
	-c $(abspath $(srctree)/$(src)) \
	-d $(abspath $(BUILDDIR)/.doctrees/$3) \
	-D version=$(KERNELVERSION) -D release=$(KERNELRELEASE) \
	$(ALLSPHINXOPTS) \
	$(abspath $(srctree)/$(src)/$5) \
	$(abspath $(BUILDDIR)/$3/$4);

But you are right, it is very compact / complicated.

--Markus--

> 
> BR,
> Jani.
> 
> 
> -- 
> Jani Nikula, Intel Open Source Technology Center
> --
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