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Date: Fri, 22 May 2020 11:00:01 +0900 From: Masahiro Yamada <masahiroy@...nel.org> To: linux-kbuild@...r.kernel.org Cc: Masahiro Yamada <masahiroy@...nel.org>, Michal Marek <michal.lkml@...kovi.net>, linux-kernel@...r.kernel.org Subject: [PATCH 4/5] kbuild: rename subdir-obj-y to subdir-builtin I think subdir-builtin is clearer. While I was here, I made its build rule explicit. Signed-off-by: Masahiro Yamada <masahiroy@...nel.org> --- scripts/Makefile.build | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/scripts/Makefile.build b/scripts/Makefile.build index ee283efc1b45..323264607b9f 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -69,7 +69,8 @@ endif # =========================================================================== -subdir-obj-y := $(filter %/built-in.a, $(real-obj-y)) +# subdir-builtin may contain duplications. Use $(sort ...) +subdir-builtin := $(sort $(filter %/built-in.a, $(real-obj-y))) ifneq ($(strip $(lib-y) $(lib-m) $(lib-)),) lib-target := $(obj)/lib.a @@ -356,7 +357,7 @@ endif $(obj)/%.o: $(src)/%.S $(objtool_dep) FORCE $(call if_changed_rule,as_o_S) -targets += $(filter-out $(subdir-obj-y), $(real-obj-y)) $(real-obj-m) $(lib-y) +targets += $(filter-out $(subdir-builtin), $(real-obj-y)) $(real-obj-m) $(lib-y) targets += $(extra-y) $(always-y) $(MAKECMDGOALS) # Linker scripts preprocessor (.lds.S -> .lds) @@ -381,7 +382,7 @@ $(obj)/%.asn1.c $(obj)/%.asn1.h: $(src)/%.asn1 $(objtree)/scripts/asn1_compiler # --------------------------------------------------------------------------- # To build objects in subdirs, we need to descend into the directories -$(obj)/%/built-in.a: $(obj)/% ; +$(subdir-builtin): $(obj)/%/built-in.a: $(obj)/% ; # # Rule to compile a set of .o files into one .a file (without symbol table) @@ -489,7 +490,7 @@ PHONY += $(subdir-ym) $(subdir-ym): $(Q)$(MAKE) $(build)=$@ \ $(if $(filter $@/, $(KBUILD_SINGLE_TARGETS)),single-build=) \ - need-builtin=$(if $(filter $@...ilt-in.a, $(subdir-obj-y)),1) \ + need-builtin=$(if $(filter $@...ilt-in.a, $(subdir-builtin)),1) \ need-modorder=$(if $(need-modorder),$(if $(filter $@...dules.order, $(modorder)),1)) # Add FORCE to the prequisites of a target to force it to be always rebuilt. -- 2.25.1
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