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    Subject[patch, -git] drivers/media build fix for modular builds

    fix allmodconfig build bug introduced in latest -git by commit
    7c91f0624a9 ("V4L/DVB(7767): Move tuners to common/tuners"):

    LD kernel/built-in.o
    LD drivers/built-in.o
    ld: drivers/media/built-in.o: No such file: No such file or directory

    which happens if all media drivers are modular:

    http://redhat.com/~mingo/misc/config-Wed_Apr_30_09_24_48_CEST_2008.bad

    In that case there's no obj-y rule connecting all the built-in.o files and
    the link tree breaks.

    the fix is to add a guaranteed obj-y rule for the core vmlinux to build.
    (which results in an empty object file if all media drivers are modular)

    Signed-off-by: Ingo Molnar <mingo@elte.hu>
    ---
    drivers/media/Makefile | 2 ++
    1 file changed, 2 insertions(+)

    Index: linux/drivers/media/Makefile
    ===================================================================
    --- linux.orig/drivers/media/Makefile
    +++ linux/drivers/media/Makefile
    @@ -2,6 +2,8 @@
    # Makefile for the kernel multimedia device drivers.
    #

    +obj-y := common/
    +
    obj-$(CONFIG_VIDEO_MEDIA) += common/

    # Since hybrid devices are here, should be compiled if DVB and/or V4L

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