linux-kernel - Re: DTB build failure due to preproccessing

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Date:	Mon, 3 Jun 2013 10:44:03 +0100
From:	Ian Campbell <Ian.Campbell@...rix.com>
To:	Grant Likely <grant.likely@...retlab.ca>
CC:	Stephen Warren <swarren@...dotorg.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
	Michal Marek <mmarek@...e.cz>,
	"Stephen Warren" <swarren@...dia.com>,
	Rob Herring <rob.herring@...xeda.com>,
	JonLoeliger <jdl@....com>, <linux-kbuild@...r.kernel.org>
Subject: Re: DTB build failure due to preproccessing

On Fri, 2013-05-31 at 17:31 +0100, Grant Likely wrote:
> On Fri, May 31, 2013 at 5:04 PM, Stephen Warren <swarren@...dotorg.org> wrote:
> > On 05/31/2013 05:48 AM, Grant Likely wrote:
> >> ---
> >> commit d01dccdcb3ea8233b09efb9c24db9f057fbd3b37
> >> Author: Grant Likely <grant.likely@...aro.org>
> >> Date:   Fri May 31 12:45:18 2013 +0100
> >>
> >>     dtc: Suppress cpp linemarker annotations
> >>
> >>     DTC isn't able to parse cpp linemarker annotations, so suppress them in
> >>     the cpp output by adding the -P flag to the cpp options.
> >
> > That's not true; it explicitly does have code to parse the line markers.
> > I'll have to investigate why it isn't working in this case.
> >
> > If you apply this patch, then anyone who has switched to #include rther
> > than /include/ will get incorrect line numbers in dtc error messages.
> > Admittedly that's a smaller population right now though. Perhaps we
> > should just do a kernel-wide conversion though.
> 
> My mistake. I tested the wrong thing. I've dropped the patch.

FWIW I've also dropped it from my device-tree.git tree.

Ian.


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