Re: strange build error when building documentation

Paul Sokolovsky


On Wed, 24 May 2017 20:56:07 +0000
"Boie, Andrew P" <andrew.p.boie@...> wrote:

Can we put this stuff in the SDK then?
Actually, the only thing we should need is requirements.txt file for pip
and docs/README.rst updated to describe that building docs should
happen in virtualenv after "pip install -r requirements.txt".

From: Nashif, Anas
Sent: Wednesday, May 24, 2017 1:34 PM
To: Kinder, David B <>
Cc: Perez-Gonzalez, Inaky <inaky.perez-gonzalez@...>; Boie,
Andrew P <andrew.p.boie@...>; Zephyr Devel
<devel@...> Subject: Re: [Zephyr-devel] strange
build error when building documentation

You need:

# pip install sphinx==1.5.5

Anas Nashif

On May 24, 2017, at 12:49, Kinder, David B
<<>> wrote:
Our documentation processing has been tested to run with:

Doxygen version 1.8.10 (and 1.8.11)
Sphinx version 1.4.4 (but not with 1.5.1)
Breathe version 4.4.0
docutils version 0.12 (0.13 has issues with Sphinx 1.4.4)

If you do the default install of these tools you'll likely end up
using Sphinx 1.6.1 and docutils 0.13.1 and there are known issues
with that working with doxygen and breathe (used to generate the API
documentation from the sources.) For now, please downgrade to the
specific versions listed above.

The documentation build setup is described in doc/README.rst (or to read the rendered

-- david

[mailto:zephyr-devel-bounces@...] On Behalf Of
Perez-Gonzalez, Inaky Sent: Wednesday, May 24, 2017 12:09 PM To:
Boie, Andrew P
<andrew.p.boie@...<mailto:andrew.p.boie@...>>; Zephyr
Subject: Re: [Zephyr-devel] strange build error when building

on behalf of Boie, Andrew P
[andrew.p.boie@...<mailto:andrew.p.boie@...>] Sent:
Wednesday, May 24, 2017 12:01 PM To: Zephyr Devel Subject:
[Zephyr-devel] strange build error when building documentation I'm
getting a strange build error when I try to build documentation in
the Zephyr master branch. Has anyone ever seen this before? This is
an up-to-date Fedora 25 machine.

apboie@apboie-mobl1:/projects/zephyr/doc master /projects/zephyr
$ make htmldocs
doxygen zephyr.doxyfile
srctree=../ SRCARCH=x86 python scripts/genrest/ ../Kconfig
reference/kconfig/ ../Kconfig.zephyr:11: warning: The symbol
KERNELVERSION references the non-existent environment variable
KERNELVERSION and will get the empty string as its value. If you're
using Kconfiglib via 'make (i)scriptconfig', it should have set up
the environment correctly for you. If you still got this message,
that might be an error, and you should email ulfalizer a.t Google's
email service. sphinx-build -t development -b html -d
_build/doctrees -q . _build/html

Exception occurred:
"/usr/lib/python2.7/site-packages/breathe/renderer/", line
410, in update_signature signode.children[1][0] =
self.node_factory.strong(text="[anonymous]") IndexError: list index
out of range The full traceback has been saved
in /tmp/sphinx-err-ybwcan.log, if you want to report the issue to the
developers. Please also report this if it was a user error, so that a
better error message can be provided next time. A bug report can be
filed in the tracker at
<>. Thanks! Makefile:82:
recipe for target 'html' failed make: *** [html] Error 1

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Best Regards,
Paul | Open source software for ARM SoCs
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