From: David Brownell <david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
To: Randy Dunlap <randy.dunlap-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
Cc: Kumar Gala
<galak-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>,
subrata-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org,
linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Linuxppc-dev
<Linuxppc-dev-mnsaURCQ41sdnm+yROfE0A@public.gmane.org>,
Stephen Rothwell <sfr-3FnU+UHB4dNDw9hX6IcOSA@public.gmane.org>,
linux-next <linux-next-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
sachinp
<sachinp-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>,
linux-kernel
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Alexander Beregalov
<a.beregalov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [BUILD FAILURE 11/12] Next April 21 : PPC64 randconfig [drivers/usb/host/ohci-hcd.o]
Date: Tue, 21 Apr 2009 19:19:37 -0700 [thread overview]
Message-ID: <200904211919.38104.david-b@pacbell.net> (raw)
In-Reply-To: <49EE4341.50701-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
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.
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?
Or maybe ... if neither one is set, have the header
force both on, and issue a warning.
--
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next prev parent reply other threads:[~2009-04-22 2:19 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-21 18:54 [BUILD FAILURE 11/12] Next April 21 : PPC64 randconfig [drivers/usb/host/ohci-hcd.o] Subrata Modak
[not found] ` <1240340081.9110.144.camel-NRFfyExJdYpgXGGE5LP+UZlqa2bBAFbm0E9HWUfgJXw@public.gmane.org>
2009-04-21 19:03 ` David Brownell
2009-04-21 21:37 ` Kumar Gala
2009-04-21 22:05 ` Randy Dunlap
[not found] ` <49EE4341.50701-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2009-04-22 2:19 ` David Brownell [this message]
2009-04-22 3:00 ` Randy Dunlap
[not found] ` <49EE8855.1080306-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2009-04-22 7:30 ` Arnd Bergmann
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