2.6: kconfig handling of recursive dependencies could be improved

[Adrian Bunk]

Hi Roman,

I tried to implement a "select at least one of these options" using the 
following Kconfig snippet:

config A
        bool "a"

config B
        bool "b"

config C
        bool
        default y if A=n && B=n
        select A
        select B

"make *config" says
  Warning! Found recursive dependency: A C A
  Warning! Found recursive dependency: C A C B

and handles it a bit strange.

Yes, there is a limited recursion, but it's a finite recursion and I 
don't know of any other way to express this in the current kconfig 
language.

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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