Commit 1c3fae74 authored by Elliot Berman's avatar Elliot Berman Committed by Masahiro Yamada
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Kbuild: Make composite object searching more generic 



Reduce repeated logic around expanding composite objects.

Signed-off-by: default avatarElliot Berman <eberman@codeaurora.org>
Signed-off-by: default avatarMasahiro Yamada <masahiroy@kernel.org>
parent 2047ace9

scripts/Makefile.lib

+8 −4
Original line number Original line Diff line number Diff line
@@ -56,15 +56,19 @@ else 
obj-y		:= $(filter-out %/, $(obj-y))

obj-y		:= $(filter-out %/, $(obj-y))

endif

endif





# Expand $(foo-objs) $(foo-y) by calling $(call suffix-search,foo.o,-objs -y)

suffix-search = $(foreach s,$(2),$($(1:.o=$s)))

# If $(foo-objs), $(foo-y), $(foo-m), or $(foo-) exists, foo.o is a composite object

# If $(foo-objs), $(foo-y), $(foo-m), or $(foo-) exists, foo.o is a composite object

multi-used-y := $(sort $(foreach m,$(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-))), $(m))))

multi-search = $(sort $(foreach m,$(1), $(if $(strip $(call suffix-search,$(m),$(2) -)), $(m))))

multi-used-m := $(sort $(foreach m,$(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)) $($(m:.o=-))), $(m))))

multi-used-y := $(call multi-search,$(obj-y),-objs -y)

multi-used-m := $(call multi-search,$(obj-m),-objs -y -m)

multi-used   := $(multi-used-y) $(multi-used-m)

multi-used   := $(multi-used-y) $(multi-used-m)





# Replace multi-part objects by their individual parts,

# Replace multi-part objects by their individual parts,

# including built-in.a from subdirectories

# including built-in.a from subdirectories

real-obj-y := $(foreach m, $(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m)))

real-search = $(foreach m,$(1), $(if $(strip $(call suffix-search,$(m),$(2) -)),$(call suffix-search,$(m),$(2)),$(m)))

real-obj-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)) $($(m:.o=-))),$($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)),$(m)))

real-obj-y := $(call real-search, $(obj-y),-objs -y)

real-obj-m := $(call real-search, $(obj-m),-objs -y -m)





always-y += $(always-m)

always-y += $(always-m)