[BUILD FAILURE 11/12] Next April 21 : PPC64 randconfig [drivers/usb/host/ohci-hcd.o]
randy.dunlap at oracle.com
Wed Apr 22 13:00:37 EST 2009
David Brownell wrote:
> On Tuesday 21 April 2009, Randy Dunlap wrote:
>>> Since its feasible to say 'n' to both we get the compile error. How do
>>> we enforce having at least one set?
>> Looks like using "choice" without "optional" would do it.
>> See Documentation/kbuild/kconfig-language.txt and various examples
>> in Kconfig* files.
> That won't quite work ... "at least one" includes "two"
> (i.e. a PCI card in little-endian, a native controller
> in big-endian). Real-world systems need such configs,
> or so I'm told, and that's why their supported.
Yes, I see.
> Is there maybe a way to force Kconfig to just reject
> such illegal configs -- neither option set -- rather
> than trying some how to fix it?
Not that I know of. cc-ing Sam.
> Or maybe ... if neither one is set, have the header
> force both on, and issue a warning.
That should be doable. We'd prefer to catch it via Kconfig,
but that doesn't look promising just now.
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