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kbuild: simplify modname calculation 

modname can be calculated much more simply.  If modname-multi is
empty, it is a single-used object.  So, modname = $(basetarget).
Otherwise, modname = $(modname-multi).

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Cao jin <caoj.fnst@cn.fujitsu.com>
This commit is contained in:
Masahiro Yamada 2018-03-19 18:01:26 +09:00
parent c96a294eb6
commit fe852ac200
2 changed files with 1 additions and 18 deletions
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12
scripts/Makefile.build
View File

@ -131,17 +131,7 @@ $(real-objs-m:.o=.lst): quiet_modtag := [M]
$(obj-m) : quiet_modtag := [M]
# Default for not multi-part modules
modname = $(basetarget)
$(multi-objs-m) : modname = $(modname-multi)
$(multi-objs-m:.o=.i) : modname = $(modname-multi)
$(multi-objs-m:.o=.s) : modname = $(modname-multi)
$(multi-objs-m:.o=.lst) : modname = $(modname-multi)
$(multi-objs-y) : modname = $(modname-multi)
$(multi-objs-y:.o=.i) : modname = $(modname-multi)
$(multi-objs-y:.o=.s) : modname = $(modname-multi)
$(multi-objs-y:.o=.lst) : modname = $(modname-multi)
modname = $(if $(modname-multi),$(modname-multi),$(basetarget))
quiet_cmd_cc_s_c = CC $(quiet_modtag) $@
cmd_cc_s_c = $(CC) $(c_flags) $(DISABLE_LTO) -fverbose-asm -S -o $@ $<

7
scripts/Makefile.lib
View File

@ -47,11 +47,6 @@ multi-used-m := $(sort $(foreach m,$(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m
multi-used := $(multi-used-y) $(multi-used-m)
single-used-m := $(sort $(filter-out $(multi-used-m),$(obj-m)))
# Build list of the parts of our composite objects, our composite
# objects depend on those (obviously)
multi-objs-y := $(foreach m, $(multi-used-y), $($(m:.o=-objs)) $($(m:.o=-y)))
multi-objs-m := $(foreach m, $(multi-used-m), $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)))
# $(subdir-obj-y) is the list of objects in $(obj-y) which uses dir/ to
# tell kbuild to descend
subdir-obj-y := $(filter %/built-in.a, $(obj-y))
@ -80,8 +75,6 @@ real-objs-m := $(addprefix $(obj)/,$(real-objs-m))
single-used-m := $(addprefix $(obj)/,$(single-used-m))
multi-used-y := $(addprefix $(obj)/,$(multi-used-y))
multi-used-m := $(addprefix $(obj)/,$(multi-used-m))
multi-objs-y := $(addprefix $(obj)/,$(multi-objs-y))
multi-objs-m := $(addprefix $(obj)/,$(multi-objs-m))
subdir-ym := $(addprefix $(obj)/,$(subdir-ym))
# These flags are needed for modversions and compiling, so we define them here