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SubjectRe: [PATCH] apple-gmux: Correctly depend on apple_bl for building
On Thu, Jun 28, 2012 at 06:53:35PM +0530, Arun Raghavan wrote:
> On Thu, 2012-06-28 at 08:20 -0500, Seth Forshee wrote:
> > On Thu, Jun 28, 2012 at 04:06:36PM +0530, Arun Raghavan wrote:
> > > apple_bl_register/unregister() are unconditionally used now, so we need
> > > to make sure that apple_bl is selected appropriately (built-in/module)
> > > if apple-gmux is being built.
> >
> > apple_bl.h provides stubs for these functions when apple_bl is not
> > built, so this shouldn't be necessary. Are you encoutering a situation
> > that causes build problems?
>
> Yes, I am. With CONFIG_BACKLIGHT_APPLE=m and CONFIG_APPLE_GMUX=y, I see
> the following error:
>
> LD init/built-in.o
> drivers/built-in.o: In function `gmux_probe':
> apple-gmux.c:(.devinit.text+0xa769): undefined reference to `apple_bl_unregister'
> drivers/built-in.o: In function `gmux_remove':
> apple-gmux.c:(.devexit.text+0x46d): undefined reference to `apple_bl_register'

Yuck. In that case I don't think your patch probably goes far enough to
fix your situation.

As far as I know select isn't recursive, i.e. it won't select the
dependencies of the thing you select.


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