lkml.org 
[lkml]   [2007]   [Jun]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Kconfig troubles when using menuconfig - Was: [patch]Re: [linux-usb-devel] linux-2.6.22-rc5-gf1518a0 build #300 failed in zc0301_core.c

On Jun 22 2007 16:27, Roman Zippel wrote:
>
>> In this specific case, all V4L USB drivers depends on V4L_USB_DRIVERS,
>> that depends, in turn, on USB. So, if USB is not selected,
>> V4L_USB_DRIVERS should be unselected, unselecting zc0301.
>>
>> Unfortunately, the Kernel building system is not properly handling it.
>>
>> This is the (snipped) media/video/Kconfig:
>>
>> menuconfig V4L_USB_DRIVERS
>> bool "V4L USB devices"
>> depends on USB
>> default y
>>
>
>The menuconfig patches were a little aggressive here, it created a config
>symbol where there was none before and in this case it even changed
>dependencies (it turns USB into a bool).

V4L_USB_DRIVERS=y turns USB into =y? That can't be. It should give the "this
depends on another symbol [USB] that is modular".

>I'm also a little irritated by the "default y", if I enable V4L I'm very
>tempted to check what other useless stuff has been automatically enabled,
>which I have to turn off again.

The default y only applies to the "menu" folders, not actual code.
There have been discussions to remove the default-ys again, I've sent a patch
[http://lkml.org/lkml/2007/5/12/216], but nothing happened.


So, should all affected menuconfigs be transformed into tristates, what
do you think, Roman? Let me know so I can cook up a patch (hopefully
before 2.6.22) should they become tristate.


Thanks,
Jan
--
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-06-22 17:21    [from the cache]
©2003-2011 Jasper Spaans