Messages in this thread Patch in this message | | | Date | Mon, 17 Oct 2005 23:02:04 -0400 | From | Michael Krufky <> | Subject | Re: Why is DVB stuff compiling? |
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Cyber Dog wrote:
>I'm a bit confused here. I have a custom kernel configuration, and >I've trimmed out most of the multimedia aspects sound/video/etc >because this is for a server machine. I was just recompiling, and I >noticed there was still some media stuff compiling: > > LD drivers/input/serio/built-in.o > LD drivers/media/common/built-in.o > LD drivers/media/dvb/b2c2/built-in.o > LD drivers/media/dvb/bt8xx/built-in.o > LD drivers/media/dvb/cinergyT2/built-in.o > LD drivers/media/dvb/dvb-core/built-in.o > LD drivers/media/dvb/dvb-usb/built-in.o > LD drivers/media/dvb/frontends/built-in.o > LD drivers/media/dvb/pluto2/built-in.o > LD drivers/media/dvb/ttpci/built-in.o > LD drivers/media/dvb/ttusb-budget/built-in.o > LD drivers/media/dvb/ttusb-dec/built-in.o > LD drivers/media/dvb/built-in.o > LD drivers/media/radio/built-in.o > LD drivers/media/video/built-in.o > LD drivers/media/built-in.o > LD drivers/misc/built-in.o > CC drivers/net/Space.o > >This confuses me, because as I said, I'm not including multimedia in >the kernel. I checked the config and I see the following: > ># ># Multimedia devices ># ># CONFIG_VIDEO_DEV is not set > ># ># Digital Video Broadcasting Devices ># ># CONFIG_DVB is not set > >Which is what I would expect. So why are these things compiling into >the kernel even if they're not selected? Or am I missing something >about the process? Kernel 2.6.13.3 here. Thanks. > > If you go look, you will notice that all of those built-in.o are zero bytes large. We've already fixed this in kernel 2.6.14 by preventing the build of these empty units with the following patch (you can safely apply it to 2.6.13.y):
Don't build empty built-in.o when DVB/V4L is not configured. Thanks to Sam Ravnborg and Keith Owens.
Signed-off-by: Johannes Stezenbach <js@linuxtv.org <mailto:js@linuxtv.org>> =================================================================== RCS file: /cvs/linuxtv/dvb-kernel/linux/drivers/media/Makefile,v retrieving revision 1.1 retrieving revision 1.2 diff -u -r1.1 -r1.2 --- dvb-kernel/linux/drivers/media/Makefile 2003/01/09 10:28:42 1.1 +++ dvb-kernel/linux/drivers/media/Makefile 2005/07/24 17:30:02 1.2 @@ -2,4 +2,7 @@ # Makefile for the kernel multimedia device drivers. # -obj-y := video/ radio/ dvb/ common/ +obj-y := common/ +obj-$(CONFIG_VIDEO_DEV) += video/ +obj-$(CONFIG_VIDEO_DEV) += radio/ +obj-$(CONFIG_DVB) += dvb/
Regards,
Michael Krufky
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