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Hi All,
Just a small update from my side;
I used bisect-foo and offending commit (@Linux) seems to be:
commit 5d09598d488f081e3be23f885ed65cbbe2d073b5
Author: Arnaud Lacombe <lacom...@gmail.com>
Date: Mon Jan 23 17:29:05 2012 -0500
kconfig: fix new choices being skipped upon config update
Best Regards,
Mateusz
On 17.01.2016 21:29, Masahiro Yamada wrote:
> Hi Mateusz,
> (CCing linux-kbuild, which I think the best place to discuss this topic)
>
>
> I think "default n" in the choice entry is weird
> because the choice is not boolean.
>
> Without it, the weird thing you saw did not happen on my box.
>
>
> Anyway, I'd like Kconfig to say something if it is really a syntax error.
>
>
> I hope comments from Kconfig experts.
>
>
>
>
> 2016-01-17 20:39 GMT+09:00 Mateusz Kulikowski <mateusz.kulikow...@gmail.com>:
> Hi all,
>
> I have found weird feature of Kconfig.
> If I misused something, please let me know - I found at least one place
> where the same error occurs.
>
> Let's consider the following Kconfig (you can put it anywhere in the source
> tree):
> <-------------- copy ----------------->
> menu "Testmenu"
> choice
> prompt "Problem to solve"
> optional
> default n
> help
> Solve one of great world problems
>
> config SOLVE_HUNGER
> bool "Hunger"
>
> config SOLVE_WARS
> bool "Wars"
>
> config CURE_CANCER
> bool "Cancer"
>
> endchoice
>
> config TREES
> default n
> bool "Plant trees in garden"
> endmenu
>
> config BLAH
> default n
> bool "Totally unrelated option"
>
> <------------- paste ------------------->
>
> Now, select HUNGER important problem to solve; Warning - select it with
> space, _not_ enter + selection from list;
> Then select either TREES or BLAH.
>
> Weird thing is - SOLVE_HUNGER is unselected.
>
> It doesn't happen when you select (anything) by entering selection menu (i.e.
> enter).
> Even if you deselect option and then select it with space.
>
> It happens both in menuconfig and nconfig.
>
> It happens both in recent U-Boot b57843e6 and Linux kernel ece62678.
>
> Unfortunately my knowledge of Kconfig is very limited so your help would be
> appreciated.
>
> Best Regards,
> Mateusz
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>
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