The clash occurred when two DRM objects were linked into the kernel, it
resulted in two copies of the DRM code in vmlinux and ld spat the
dummy. I did a workaround in drivers/char/drm/Makefile for the old
code so that problem does not exist any more.
But even with that workaround, if one DRM object is a module and
another is built in, the code in drmlib.a sometimes gets compiled for a
module and sometimes for built in. AFAIK this does not cause any
problems but is ugly. Come to that, the entire drm/Makefile is ugly.
Note that these problems are not caused by code vs. macros, they are a
direct effect of the insistence that each DRM object has its own set of
routines instead of sharing common code. Using macros removes drmlib
but still propagates the idea of not sharing code. As long as it does
not get in the way of kbuild then I am happy, others may disagree about
the approach.
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