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

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Date:	Tue, 22 Sep 2015 15:23:24 +0200 (CEST)
From:	Julia Lawall <julia.lawall@...6.fr>
To:	Andrzej Hajda <a.hajda@...sung.com>
cc:	Julia Lawall <julia.lawall@...6.fr>, linux-kernel@...r.kernel.org,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	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:

> On 09/22/2015 02:58 PM, Julia Lawall wrote:
> >
> > 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=${COCCIINCLUDE//-include/-I}
> > I'm not sure of the meaning of the above notation, nor what is the
> > intention.  Coccinelle does have a --include option, but it doesn't mean
> > the same thing as -I.  It is a way to have a file be included that is not
> > included according to the normal inclusion strategy.  For example, if a.h
> > includes b.h which includes c.h, and if one considers that c.h is really
> > important for having the right type information, but one doesn't want the
> > cost of including everything via --recursive-includes, then one could put
> > --include c.h.
>
> This option has the same meaning for gcc.
> But the patch is incorrect. It should be:
>
> COCCIINCLUDE=${COCCIINCLUDE// -include/ --include}
>
> gcc option '-include' should be converted to spatch option '--include',
> ie one minus should be added.

OK, do you want to submit a patch for that?

thanks,
julia

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