linux-kernel - .23-rc9, V4L, make randconfig build failure

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Date:	Sat, 6 Oct 2007 11:56:35 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	mchehab@...radead.org
Cc:	linux-kernel@...r.kernel.org, video4linux-list@...hat.com
Subject: .23-rc9, V4L, make randconfig build failure

FYI, just found this V4L build failure in -rc9:

 drivers/built-in.o: In function `saa7146_unregister_device':
 : undefined reference to `video_unregister_device'
 drivers/built-in.o: In function `saa7146_register_device':
 : undefined reference to `video_device_alloc'
 drivers/built-in.o: In function `saa7146_register_device':
 : undefined reference to `video_device_release'
 [ ... etc ... ]

this is caused by the attached config:

  CONFIG_VIDEO_BUF=m
  CONFIG_VIDEO_BUF_DVB=m

combined with:

  CONFIG_VIDEO_SAA7146=y
  CONFIG_VIDEO_SAA7146_VV=y

so it seems like a drivers/video/Kconfig bug - this combination should 
not be possible.

	Ingo

View attachment "config" of type "text/plain" (46872 bytes)