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SubjectRe: [PATCH][RFC] check for select dependency errors on config load
On Sat, 21 Feb 2009 00:24:05 -0500 (EST) Steven Rostedt <rostedt@goodmis.org> wrote:

> There's been a few problems with SELECT and dependencies lately.
> I've been burnt by it a few times myself. So I look at the kconfig
> code and added this patch. It can use a bit more work but it does what
> I want.
>
> When the config is loaded, it checks all the symbols that are
> selected by an active config and makes sure the visible dependencies are
> also activated. This should probably be moved to the writing of the
> config instead, but since I just wanted to see if my current config was
> OK, I did it on load. This is an RFC patch anyway, so fixes/comments are
> definitely welcome.
>
> Here's what I get with the attached config running on 2.6.29-rc5.
>
> $ make menuconfig
> scripts/kconfig/mconf arch/x86/Kconfig
> .config:2561:warning: MICROCODE selects FW_LOADER which fails its dependencies!
> .config:2561:warning: MICROCODE_INTEL selects FW_LOADER which fails its dependencies!
> .config:2561:warning: PCMCIA_LOAD_CIS selects FW_LOADER which fails its dependencies!
> .config:2561:warning: SCSI_SAS_LIBSAS selects SCSI_SAS_ATTRS which fails its dependencies!
> .config:2561:warning: SCSI_AIC94XX selects FW_LOADER which fails its dependencies!
> .config:2561:warning: KEYBOARD_ATKBD selects SERIO which fails its dependencies!
> .config:2561:warning: KEYBOARD_ATKBD selects SERIO_LIBPS2 which fails its dependencies!
> .config:2561:warning: KEYBOARD_ATKBD selects SERIO_I8042 which fails its dependencies!
> .config:2561:warning: MOUSE_PS2 selects SERIO which fails its dependencies!
> .config:2561:warning: MOUSE_PS2 selects SERIO_LIBPS2 which fails its dependencies!
> .config:2561:warning: MOUSE_PS2 selects SERIO_I8042 which fails its dependencies!
> .config:2561:warning: VT selects INPUT which fails its dependencies!
> .config:2561:warning: DRM selects I2C_ALGOBIT which fails its dependencies!
> .config:2561:warning: SND_EMU10K1 selects FW_LOADER which fails its dependencies!

Well damn, that looks like a major contribution to the general
well-being.

Sam, could you please give this a scan and merge it into linux-next via
your tree?

I wonder how hard it would be to print out the reason why (for example)
FW_LOADER failed its dependencies?



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