linux-kernel - Re: [PATCH v2] Documentation: Coccinelle: fix typos and command example

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Date:   Tue, 30 Jun 2020 14:23:10 +0200
From:   Markus Elfring <Markus.Elfring@....de>
To:     Randy Dunlap <rdunlap@...radead.org>, linux-doc@...r.kernel.org,
        Coccinelle <cocci@...teme.lip6.fr>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org,
        Julia Lawall <julia.lawall@...6.fr>,
        Gilles Muller <Gilles.Muller@...6.fr>,
        Nicolas Palix <nicolas.palix@...g.fr>,
        Michal Marek <michal.lkml@...kovi.net>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Jonathan Corbet <corbet@....net>
Subject: Re: [PATCH v2] Documentation: Coccinelle: fix typos and command
 example

…
> +++ linux-next-20200629/Documentation/dev-tools/coccinelle.rst
…> @@ -177,13 +177,13 @@ For example, to check drivers/net/wirele
>  To apply Coccinelle on a file basis, instead of a directory basis, the
>  following command may be used::
>
> -    make C=1 CHECK="scripts/coccicheck"
> +    make C=1 CHECK="scripts/coccicheck" path/to/file.c

I would like to clarify further software design aspects around such make functionality.

We might stumble on different interpretations according to the wording “file basis”.
Do you find a message like “make: Nothing to be done for 'path/to/file.c'.” interesting then?

* Would you like to add any links for information around the support for
  source code checkers?
  https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Makefile?id=7c30b859a947535f2213277e827d7ac7dcff9c84#n198

* How do you think about to enclose the path for the shown parameter
  by single quotes instead of double quotes?

* Can such path specifications become more interesting occasionally
  if also an other file extension would be chosen than “.c”?
  Would you like to achieve any software extensions around suffix rules?

Regards,
Markus