kbuild: Fix linking error built-in.o no such file or directory
This patch fixes the link error "built-in.o: no such file or directory". The problem happens if "dirx/Makefile" contains only "obj-m += diry/ dirz/" and the empty "dirx/built-in.o" is missing. Adding $(subdir-m) into check for builtin-target fixes this error. Signed-off-by: Jiafu He <jay@goldhive.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
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abe94c756c
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4b024242e8
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@ -82,7 +82,7 @@ ifneq ($(strip $(lib-y) $(lib-m) $(lib-n) $(lib-)),)
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lib-target := $(obj)/lib.a
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endif
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ifneq ($(strip $(obj-y) $(obj-m) $(obj-n) $(obj-) $(lib-target)),)
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ifneq ($(strip $(obj-y) $(obj-m) $(obj-n) $(obj-) $(subdir-m) $(lib-target)),)
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builtin-target := $(obj)/built-in.o
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endif
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