Re: [patch] MTD: fix DOC2000/2001/2001PLUS build error

[Matt Mackall <mpm@selenic.com>]

On Tue, Feb 06, 2007 at 11:04:31AM -0500, Bill Davidsen wrote:
> >There's no reason we shouldn't be able to do exactly that with config
> >symbols in Kconfig-land. The only difference is that we've got
> >slightly different semantics for our "depend" keyword. Things which
> >don't have their "depend" requirements met aren't offered as options.
> >Whereas "select" is "automatically pull in dependencies"
> >apt/yum-style.
> 
> Perhaps this is because there is a lacking keyword. The depends controls 
> visibility, perhaps a "requires" could be used to provide advisory 
> information which mean "these other things will be turned on if you 
> build this feature."

"require" is a bad name as it's a synonym of "depend".

> >While we're at it, it would also be nice to be able to do:
> >
> >$ kconfig enable ACPI
> >CONFIG_ACPI conflicts with CONFIG_APM
> >$ kconfig enable -F ACPI
> >disabling CONFIG_APM
> >$ kconfig disable SCSI
> >CONFIG_USB_STORAGE depends on CONFIG_SCSI
> >$ kconfig disable -f SCSI
> >disabling USB_STORAGE
> >$ make
> >
> I think depends and select provide this now, the postulated "requires" 
> might make building the trees easier.

The above is all about having a scriptable command line interface so
that people don't need the broken sed + make oldconfig thing.

-- 
Mathematics is the supreme nostalgia of our time.