Re: Kconfig troubles when using menuconfig - Was: [patch]Re: [linux-usb-devel] linux-2.6.22-rc5-gf1518a0 build #300 failed in zc0301_core.c

On Fri, Jun 22, 2007 at 12:03:19PM -0300, Mauro Carvalho Chehab wrote:
> Em Sex, 2007-06-22 às 15:51 +0200, Jan Engelhardt escreveu:
> > On Jun 22 2007 15:46, Andreas Herrmann wrote:
> > >Hi,
> > >
> > >I am not sure whether it is related or not
> > >But if you select USB as module but build your v4l_usb driver
> > >into the kernel you also get compile errors.
> > >Attached is a patch which will prevent this by changing the menuconfig
> > >from bool to tristate.
> 
> 
> > A config option that is not referenced in the Makefile...
> > should it really be a tristate? In my opinion, changing it
> > to tristate is just a workaround, but I don't know kconfig
> > well enough to make bool Do The Right Thing in these situations myself :(
> 
> If USB is built as a module, the V4L USB modules should also be built as
> a module. Otherwise, you will have compile errors, since some required
> symbols on the drivers won't be linked into the kernel.
> 

Sure.

And the patch should prevent user selection of such
a broken kernel configuration.

Regards,

Andreas

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