Messages in this thread | | | Date | Thu, 28 Jun 2012 08:50:39 -0500 | From | Seth Forshee <> | Subject | Re: [PATCH] apple-gmux: Correctly depend on apple_bl for building |
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On Thu, Jun 28, 2012 at 08:48:06AM -0500, Seth Forshee wrote: > 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.
Oops, I accidentally sent this before I was done writing it.
I want to play with this a bit more, because it looks like there are other scenarios that could be problematic. So I'll respond again once I've had a chance to do that.
Seth
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