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Date: Mon, 28 Mar 2022 12:34:38 +0300
From: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>
To: "Varghese, Vipin" <Vipin.Varghese@amd.com>
Cc: Thomas Monjalon <thomas@monjalon.net>, "david.marchand@redhat.com"
 <david.marchand@redhat.com>, "Tummala, Sivaprasad"
 <Sivaprasad.Tummala@amd.com>, "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [PATCH] meson: update doc logic for Windows
Message-ID: <20220328123438.0f8bb44e@sovereign>
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2022-03-28 03:02 (UTC+0000), Varghese, Vipin:
> [AMD Official Use Only]
> 
> Hi Thomas,
> 
> <snipp>
> 
> Thank you for looking at this problem.
> 
> 26/03/2022 03:59, Vipin Varghese:
> > Support for shell scripts doxy-html-custom, generate_doxygen and 
> > generate_examples are absent. The current patch address the same by 
> > disabling document build notifying the user.  
> 
> It should not prevent generating guides with sphinx.
> 
> We did get error from `doc/meson` stating ` echo command not available on windows` for both cmd and powershell for the line
> ```
> run_target('doc', command: [echo, message, doc_target_names],
>     depends: doc_targets)
> ```

This line never searches for "echo" command,
e8c90926bdde ("doc: fix build on Windows with Meson 0.58")
introduced "echo" variable precisely to avoid this.
Can you give the full log?

> > Steps to reproduce the error:
> >  - Install dependencies doxygen & sphinix build on Windwos server 2019.
> >  - Build DPDK with option enable_docs=true for API or User Guide.
> >
> > This produces error
> > ```
> > FAILED: doc/api/examples.dox
> > sh -e dpdk/doc/api/generate_examples.sh dpdk/examples 
> > doc/api/examples.dox ```  
> 
> I suppose we could replace shell scripts with Python equivalent.
> 
> I am trying to minimize the changes as first step: fix the build error by disabling on windows`.
> Next step we can convert to python to make it cross platform independent.

If something is explicitly requested but not supported,
there should be a failure.
By the way, -Denable_docs=true works when cross-compiling for Windows,
so disabling docs for this target is not right.
I think we should sort out what's causing an issue with "echo" for you
(it shouldn't happen), then fix the scripts to fully enable docs.