[RFC PATCH] Kconfig: Enable Kconfig fragments to be used for defconfig

Grant Likely grant.likely at secretlab.ca
Sat Jul 17 04:52:29 EST 2010

On Fri, Jul 16, 2010 at 12:30 PM, Russell King - ARM Linux
<linux at arm.linux.org.uk> wrote:
> On Fri, Jul 16, 2010 at 02:19:31PM -0400, Nicolas Pitre wrote:
>> For example, if I want CONFIG_MTD_CMDLINE_PARTS=y, the system may be
>> smart enough to notice and automatically enable CONFIG_MTD and
>> CONFIG_MTD_PARTITIONS without having to carry those in the defconfig.
> How do you sort out something like this:
> config FOO
>        bool "Foo"
>        depends on (A && B) || C
> Do you enable A and B, A, B and C or just C?
> Bear in mind that A could be 'X86', 'M68K' or any other arch specific
> symbol.
> I prefer the warning method because it prompts you to investigate what's
> changed and sort out the problem by ensuring that the appropriate symbols
> are also selected.  The automatic selection of dependencies method carries
> the risk that it'll do the wrong thing with the above scenario.

Good point.


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