From: Russell King <rmk+lkml@arm.linux.org.uk>
To: Linux Kernel List <linux-kernel@vger.kernel.org>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>,
video4linux-list@redhat.com
Subject: Build error: ARM badge4_defconfig
Date: Tue, 13 May 2008 19:58:31 +0100 [thread overview]
Message-ID: <20080513185831.GA18959@flint.arm.linux.org.uk> (raw)
For full details, see:
http://armlinux.simtec.co.uk/kautobuild/2.6.26-rc2-git2/badge4_defconfig.html
which is a regression at 2.6.25-git15 time. (2.6.25-git14 built fine,
seemingly because there wasn't a tuner-core.c in that kernel.)
LD .tmp_vmlinux1
drivers/built-in.o: In function `tuner_i2c_xfer_send_recv':
drivers/media/common/tuners/tuner-i2c.h:61: undefined reference to `i2c_transfer'
drivers/built-in.o: In function `tuner_i2c_xfer_send':
drivers/media/common/tuners/tuner-i2c.h:39: undefined reference to `i2c_transfer'
...
Divining options from the configuration log:
I2C support (I2C) [M/n/y/?] m
So, i2c is modular here.
Video For Linux (VIDEO_DEV) [Y/n/m/?] y
Video is built in, and since tuner-core.c is being built in as well, we
can assume MEDIA_TUNER=y.
drivers/media/common/tuners/Kconfig contains:
config MEDIA_TUNER
tristate
default DVB_CORE || VIDEO_DEV
depends on DVB_CORE || VIDEO_DEV
which means it ends up being 'y' if either DVB_CORE or VIDEO_DEV is y
(which one is as shown above.) There's a missing dependency here -
it clearly depends on i2c, so that should also be in the "depends" line.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of:
reply other threads:[~2008-05-13 18:58 UTC|newest]
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