linux-kernel - Re: [PATCH] Coccinelle: remove incorrect -include option transformation

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Message-ID: <alpine.DEB.2.10.1509221453541.6225@hadrien>
Date:	Tue, 22 Sep 2015 14:58:26 +0200 (CEST)
From:	Julia Lawall <julia.lawall@...6.fr>
To:	Andrzej Hajda <a.hajda@...sung.com>
cc:	linux-kernel@...r.kernel.org,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Julia Lawall <Julia.Lawall@...6.fr>,
	Gilles Muller <Gilles.Muller@...6.fr>,
	Nicolas Palix <nicolas.palix@...g.fr>,
	Michal Marek <mmarek@...e.com>,
	"moderated list:COCCINELLE/Semantic Patches (SmPL)" 
	<cocci@...teme.lip6.fr>
Subject: Re: [PATCH] Coccinelle: remove incorrect -include option
 transformation



On Tue, 22 Sep 2015, Andrzej Hajda wrote:

> kbuild/gcc uses -include option to include files and -I to provide paths for
> #include <> directive. The same is true for spatch.
>
> Signed-off-by: Andrzej Hajda <a.hajda@...sung.com>
> ---
>  scripts/coccicheck | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/scripts/coccicheck b/scripts/coccicheck
> index bbf901a..6d84b05 100755
> --- a/scripts/coccicheck
> +++ b/scripts/coccicheck
> @@ -30,7 +30,6 @@ FLAGS="$SPFLAGS --very-quiet"
>  # spatch only allows include directories with the syntax "-I include"
>  # while gcc also allows "-Iinclude" and "-include include"
>  COCCIINCLUDE=${LINUXINCLUDE//-I/-I }
> -COCCIINCLUDE=${COCCIINCLUDE//-include/-I}

I'm not sure of the meaning of the above notation, nor what is the
intention.  Coccinelle does have a --include option, but it doesn't mean
the same thing as -I.  It is a way to have a file be included that is not
included according to the normal inclusion strategy.  For example, if a.h
includes b.h which includes c.h, and if one considers that c.h is really
important for having the right type information, but one doesn't want the
cost of including everything via --recursive-includes, then one could put
--include c.h.

julia


>
>  if [ "$C" = "1" -o "$C" = "2" ]; then
>      ONLINE=1
> --
> 1.9.1
>
>
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