From: Ingo Molnar <mingo@elte.hu>
To: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Johannes Stezenbach <js@linuxtv.org>,
Mauro Carvalho Chehab <mchehab@infradead.org>,
linux-kernel@vger.kernel.org
Subject: Re: [build bug, 2.6.24-rc1] CONFIG_VIDEO_DEV=m & CONFIG_VIDEO_SAA7146_VV=y
Date: Mon, 29 Oct 2007 12:23:03 +0100 [thread overview]
Message-ID: <20071029112303.GA18994@elte.hu> (raw)
In-Reply-To: <20071027163932.e0a0522b.randy.dunlap@oracle.com>
* Randy Dunlap <randy.dunlap@oracle.com> wrote:
> > config VIDEO_SAA7146_VV
> > tristate
> > depends on VIDEO_DEV = y || VIDEO_DEV = VIDEO_SAA7146_VV
> > select VIDEOBUF_DMA_SG
> > select VIDEO_SAA7146
> >
> > (untested)
>
> Nope, won't work. I tried that last night. VIDEO_DEV_SAA7146_VV
> has too many "select"s involved, but select doesn't follow the dependency
> chains. IOW, as written in Documentation/kbuild/kconfig-language.txt:
>
> select is evil.... select will by brute force set a symbol
> equal to 'y' without visiting the dependencies. So abusing
> select you are able to select a symbol FOO even if FOO depends
> on BAR that is not set.
so ... what should we do? Remove those ~7 select VIDEO_SAA7146_VV lines
and replace them with depends on VIDEO_SAA7146_VV ?
Ingo
next prev parent reply other threads:[~2007-10-29 11:23 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-26 7:37 [build bug, 2.6.24-rc1] CONFIG_VIDEO_DEV=m & CONFIG_VIDEO_SAA7146_VV=y Ingo Molnar
2007-10-27 21:30 ` Johannes Stezenbach
2007-10-27 23:39 ` Randy Dunlap
2007-10-29 11:23 ` Ingo Molnar [this message]
2007-10-29 12:35 ` Johannes Stezenbach
2007-10-29 18:19 ` Randy Dunlap
2007-10-29 15:16 ` Mauro Carvalho Chehab
2007-10-31 12:11 ` Trent Piepho
2007-11-01 9:01 ` Ingo Molnar
2007-11-01 9:40 ` Mauro Carvalho Chehab
2007-11-01 10:34 ` Trent Piepho
2007-11-01 10:57 ` Ingo Molnar
2007-11-02 0:12 ` Trent Piepho
2007-11-02 15:28 ` Ingo Molnar
2007-11-02 21:12 ` Mauro Carvalho Chehab
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20071029112303.GA18994@elte.hu \
--to=mingo@elte.hu \
--cc=js@linuxtv.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mchehab@infradead.org \
--cc=randy.dunlap@oracle.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.