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kbuild: refactor tagets caluculation for KBUILD_{BUILTIN,KBUILD_MODULES} 

Remove lib-target, builtin-target, modorder-target, and modtargets.

Instead, add targets-for-builtin and targets-for-modules.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Masahiro Yamada 2020-06-01 14:56:56 +09:00
parent 0a8820e7f8
commit f3908ab3ff
1 changed files with 12 additions and 13 deletions
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25
scripts/Makefile.build
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@ -73,19 +73,24 @@ endif
subdir-builtin := $(sort $(filter %/built-in.a, $(real-obj-y)))
subdir-modorder := $(sort $(filter %/modules.order, $(modorder)))
targets-for-builtin := $(extra-y)
ifneq ($(strip $(lib-y) $(lib-m) $(lib-)),)
lib-target := $(obj)/lib.a
targets-for-builtin += $(obj)/lib.a
endif
ifdef need-builtin
builtin-target := $(obj)/built-in.a
targets-for-builtin += $(obj)/built-in.a
endif
targets-for-modules := $(obj-m)
targets-for-modules += $(patsubst %.o, %.mod, $(obj-m))
ifdef need-modorder
modorder-target := $(obj)/modules.order
targets-for-modules += $(obj)/modules.order
endif
mod-targets := $(patsubst %.o, %.mod, $(obj-m))
targets += $(targets-for-builtin) $(targets-for-modules)
# Linus' kernel sanity checking tool
ifeq ($(KBUILD_CHECKSRC),1)
@ -284,8 +289,6 @@ cmd_mod = { \
$(obj)/%.mod: $(obj)/%.o FORCE
$(call if_changed,mod)
targets += $(mod-targets)
quiet_cmd_cc_lst_c = MKLST $@
cmd_cc_lst_c = $(CC) $(c_flags) -g -c -o $*.o $< && \
$(CONFIG_SHELL) $(srctree)/scripts/makelst $*.o \
@ -359,7 +362,7 @@ $(obj)/%.o: $(src)/%.S $(objtool_dep) FORCE
$(call if_changed_rule,as_o_S)
targets += $(filter-out $(subdir-builtin), $(real-obj-y)) $(real-obj-m) $(lib-y)
targets += $(extra-y) $(always-y) $(MAKECMDGOALS)
targets += $(always-y) $(MAKECMDGOALS)
# Linker scripts preprocessor (.lds.S -> .lds)
# ---------------------------------------------------------------------------
@ -396,8 +399,6 @@ quiet_cmd_ar_builtin = AR $@
$(obj)/built-in.a: $(real-obj-y) FORCE
$(call if_changed,ar_builtin)
targets += $(builtin-target)
#
# Rule to create modules.order file
#
@ -414,8 +415,6 @@ $(obj)/modules.order: $(subdir-modorder) FORCE
$(obj)/lib.a: $(lib-y) FORCE
$(call if_changed,ar)
targets += $(lib-target)
# NOTE:
# Do not replace $(filter %.o,^) with $(real-prereqs). When a single object
# module is turned into a multi object module, $^ will contain header file
@ -478,8 +477,8 @@ endif
else
__build: $(if $(KBUILD_BUILTIN),$(builtin-target) $(lib-target) $(extra-y)) \
$(if $(KBUILD_MODULES),$(obj-m) $(mod-targets) $(modorder-target)) \
__build: $(if $(KBUILD_BUILTIN), $(targets-for-builtin)) \
$(if $(KBUILD_MODULES), $(targets-for-modules)) \
$(subdir-ym) $(always-y)
@: