linux-kernel - Re: Kconfig: '+config' valid syntax?

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Message-ID: <5596731F.20309@fau.de>
Date:	Fri, 03 Jul 2015 13:33:51 +0200
From:	Andreas Ruprecht <andreas.ruprecht@....de>
To:	Ulf Magnusson <ulfalizer.lkml@...il.com>
CC:	Paul Bolle <pebolle@...cali.nl>,
	Valentin Rothberg <valentinrothberg@...il.com>,
	rafael.j.wysocki@...el.com, linux-kbuild@...r.kernel.org,
	Kernel Mailing List <linux-kernel@...r.kernel.org>,
	hengelein Stefan <stefan.hengelein@....de>,
	linux@...inikbrodowski.net
Subject: Re: Kconfig: '+config' valid syntax?

On 07/03/2015 12:46, Ulf Magnusson wrote:
> 
> Except for scattered accidents like in the original message, which are
> hopefully pretty rare and easy to fix, the only documented thing that depends
> on that lexer sloppiness is the ---help--- "token".
> 
> I'd just add "---help---" as another T_HELP alias (or get rid of it altogether,
> but that's probably more work than it's worth). Tightening things up should be
> safe after that.
> 
> /Ulf
> 

So we might want to do something like the attached patch, right?

Unfortunately, when I generate the zconf.{hash,lex,tab}.c files on my
machine, they have some notable differences to the _shipped versions:

ruprecht@box:linux-next$ diff -u zconf.tab.c zconf.tab.c_shipped
-  return yyresult;
+  /* Make sure YYID is used.  */
+  return YYID (yyresult);

and I can't find any Documentation on how to properly rebuild the
_shipped files... Does anybody have a hint on that?

Regards,

Andreas

View attachment "zconf.l.patch" of type "text/x-patch" (786 bytes)