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From: David Woodhouse <dwmw2@infradead.org>
To: Andreas Schwab <schwab@redhat.com>
Cc: Michal Marek <mmarek@suse.cz>,
	Arnaud Lacombe <lacombar@gmail.com>,
	"H. Peter Anvin" <hpa@zytor.com>,
	linux-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org
Subject: Re: [PATCH 2/2] Enable 'make CONFIG_FOO=y oldconfig'
Date: Thu, 11 Aug 2011 12:40:10 +0100	[thread overview]
Message-ID: <1313062813.18037.24.camel@i7.infradead.org> (raw)
In-Reply-To: <m3r54std0x.fsf@hase.home>

On Thu, 2011-08-11 at 13:15 +0200, Andreas Schwab wrote:
> > That would be cute, but I'm not sure how to undefine something set on
> > the command line:
> >
> > $ cat > Makefile <<EOF
> > undefine BAR
> 
> override undefine BAR

Thanks. So we don't really need to change the auto.conf syntax; we could
just do:

$(foreach var, $(filter CONFIG_%,$(.VARIABLES)), $(eval override undefine $(var)))

But still I suspect we might *not* want that for options set on the
command line. We *don't* want 'make CONFIG_FOO=y oldconfig bzImage' to
say 'you can't enable CONFIG_FOO' and then build the bzImage anyway.

I'll look at making it work only if what's on the command line matches
the output of kconfig, but I'm also relatively content with saying "no
config overrides on the command line for build targets"

-- 
dwmw2


  reply	other threads:[~2011-08-11 11:40 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1312067499.22074.59.camel@i7.infradead.org>
2011-07-30 23:13 ` [PATCH 1/2] kconfig: Factor out conf_validate_choice_val() function from conf_read_simple() David Woodhouse
2011-07-31  2:17   ` Arnaud Lacombe
2011-07-31 22:21     ` David Woodhouse
2011-07-30 23:14 ` [PATCH 2/2] Enable 'make CONFIG_FOO=y oldconfig' David Woodhouse
2011-07-30 23:44   ` Arnaud Lacombe
2011-07-30 23:53     ` H. Peter Anvin
2011-07-31  0:05       ` Arnaud Lacombe
2011-07-31  0:29         ` H. Peter Anvin
2011-07-31  1:06           ` Arnaud Lacombe
2011-07-31  1:28             ` H. Peter Anvin
2011-07-31  2:09               ` Arnaud Lacombe
2011-07-31  5:21                 ` Arnaud Lacombe
2011-07-31 22:18                 ` David Woodhouse
2011-08-09 15:22                   ` Arnaud Lacombe
2011-07-31  7:33             ` David Woodhouse
2011-07-31 16:37               ` Randy Dunlap
2011-07-31 16:57                 ` David Woodhouse
2011-07-31 17:08                   ` Randy Dunlap
2011-07-31 17:40                     ` David Woodhouse
2011-08-09 14:14         ` Michal Marek
2011-08-09 15:26           ` Arnaud Lacombe
2011-08-10 12:59             ` Michal Marek
2011-08-10 13:07               ` David Woodhouse
2011-08-10 14:15                 ` Arnaud Lacombe
2011-08-10 14:17                   ` David Woodhouse
2011-08-10 14:34                     ` Arnaud Lacombe
2011-08-10 16:33                       ` David Woodhouse
2011-08-10 17:00                         ` Emmanuel Deloget
2011-08-10 17:52                           ` H. Peter Anvin
2011-08-10 17:44                         ` Arnaud Lacombe
2011-08-10 17:54                           ` H. Peter Anvin
2011-08-10 17:59                           ` David Woodhouse
2011-08-10 18:40                             ` Arnaud Lacombe
2011-08-10 18:52                               ` David Woodhouse
2011-08-10 22:33                                 ` Arnaud Lacombe
2011-08-10 23:16                                   ` David Woodhouse
2011-08-11  3:29                                     ` Arnaud Lacombe
2011-08-11  8:42                                       ` David Woodhouse
2011-08-11  8:58                                         ` Michal Marek
2011-08-11 11:10                                           ` David Woodhouse
2011-08-11 11:15                                             ` Andreas Schwab
2011-08-11 11:40                                               ` David Woodhouse [this message]
2011-08-11 11:56                                                 ` Michal Marek
2011-08-11 13:20                                                   ` David Woodhouse
2011-08-11 14:57                                                   ` Arnaud Lacombe
2011-08-11 15:07                                                     ` David Woodhouse
2011-08-11 15:24                                                       ` Michal Marek
2011-08-11 15:50                                                         ` David Woodhouse
2011-08-10 17:01                   ` Randy Dunlap
2011-08-10 17:25                     ` David Woodhouse

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