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SubjectRe: kconfig: tristate choice with depender choice
On Thu, 9 Feb 2012 00:26:25 -0500, Arnaud Lacombe <> wrote:
>> confirmed.
> actually, not that much. Your reduced testcase is missing a MODULES
> symbol to have modules enabled and have them show up in the final
> `.config'. If you add:
> config MODULES
> boolean
> default y
> then you end up with CONFIG_A=m in the `.config'.

Yes, so it is the problem. I got CONFIG_A=m in .config from
CONFIG_A=y in defconfig.

> Now, I may have missed something.
> Do you have a situation where a MODULES symbol is present, enabled,
> but CONFIG_A=y still appear from CONFIG_A=m in the defconfig ?

I tested in this way:

1. Add this example to the end of drivers/char/Kconfig file.
prompt "choice list AB"
config A
tristate "a"
config B
tristate "b"
prompt "choice list CD"
depends on A
config C
bool "c"
config D
bool "d"

2. Then run commands:

$ cp arch/x86/configs/i386_defconfig arch/x86/configs/test_defconfig
$ echo 'CONFIG_A=y' >> arch/x86/configs/test_defconfig
$ make O=../build test_defconfig
$ grep CONFIG_A= ../build/.config

Atsushi Nemoto

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