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kbuild: move cmd_cc_o_c and cmd_as_o_S to scripts/Malefile.lib

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The cmd_cc_o_c and cmd_as_o_S macros are duplicated in
scripts/Makefile.{build,modfinal,vmlinux}.

This commit factors them out to scripts/Makefile.lib.

No functional changes are intended.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Masahiro Yamada 2024-11-14 08:45:21 +09:00
parent 91ca8be3c4
commit 000e22a80d
4 changed files with 13 additions and 21 deletions
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8
scripts/Makefile.build
View file

@ -135,11 +135,6 @@ ifdef CONFIG_LTO_CLANG
cmd_ld_single_m = $(if $(is-single-obj-m), ; $(LD) $(ld_flags) -r -o $(tmp-target) $@; mv $(tmp-target) $@)
endif
quiet_cmd_cc_o_c = CC $(quiet_modtag) $@
cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< \
$(cmd_ld_single_m) \
$(cmd_objtool)
ifdef CONFIG_MODVERSIONS
# When module versioning is enabled the following steps are executed:
# o compile a <file>.o from <file>.c
@ -322,9 +317,6 @@ cmd_cpp_s_S = $(CPP) $(a_flags) -o $@ $<
$(obj)/%.s: $(obj)/%.S FORCE
$(call if_changed_dep,cpp_s_S)
quiet_cmd_as_o_S = AS $(quiet_modtag) $@
cmd_as_o_S = $(CC) $(a_flags) -c -o $@ $< $(cmd_objtool)
ifdef CONFIG_ASM_MODVERSIONS
# versioning matches the C process described above, with difference that

12
scripts/Makefile.lib
View file

@ -298,6 +298,18 @@ $(foreach m, $1, \
$(addprefix $(obj)/, $(call suffix-search, $(patsubst $(obj)/%,%,$m), $2, $3))))
endef
# Build commands
# ===========================================================================
# These are shared by some Makefile.* files.
quiet_cmd_cc_o_c = CC $(quiet_modtag) $@
cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< \
$(cmd_ld_single_m) \
$(cmd_objtool)
quiet_cmd_as_o_S = AS $(quiet_modtag) $@
cmd_as_o_S = $(CC) $(a_flags) -c -o $@ $< $(cmd_objtool)
# Copy a file
# ===========================================================================
# 'cp' preserves permissions. If you use it to copy a file in read-only srctree,

6
scripts/Makefile.modfinal
View file

@ -8,8 +8,6 @@ __modfinal:
include $(objtree)/include/config/auto.conf
include $(srctree)/scripts/Kbuild.include
# for c_flags
include $(srctree)/scripts/Makefile.lib
# find all modules listed in modules.order
@ -23,9 +21,7 @@ modname = $(notdir $(@:.mod.o=))
part-of-module = y
GCOV_PROFILE := n
KCSAN_SANITIZE := n
quiet_cmd_cc_o_c = CC [M] $@
cmd_cc_o_c = $(CC) $(filter-out $(CC_FLAGS_CFI), $(c_flags)) -c -o $@ $<
ccflags-remove-y := $(CC_FLAGS_CFI)
%.mod.o: %.mod.c FORCE
$(call if_changed_dep,cc_o_c)

8
scripts/Makefile.vmlinux
View file

@ -5,21 +5,13 @@ __default: vmlinux
include include/config/auto.conf
include $(srctree)/scripts/Kbuild.include
# for c_flags
include $(srctree)/scripts/Makefile.lib
targets :=
quiet_cmd_cc_o_c = CC $@
cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<
%.o: %.c FORCE
$(call if_changed_dep,cc_o_c)
quiet_cmd_as_o_S = AS $@
cmd_as_o_S = $(CC) $(a_flags) -c -o $@ $<
%.o: %.S FORCE
$(call if_changed_dep,as_o_S)