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kbuild: use assignment instead of define ... endef for filechk_* rules

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You do not have to use define ... endef for filechk_* rules.

For simple cases, the use of assignment looks cleaner, IMHO.

I updated the usage for scripts/Kbuild.include in case somebody
misunderstands the 'define ... endif' is the requirement.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
This commit is contained in:
Masahiro Yamada 2019-01-03 10:16:54 +09:00
parent d6e4b3e326
commit ba97df4558
6 changed files with 12 additions and 26 deletions
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4
Kbuild
View File

@ -26,9 +26,7 @@ timeconst-file := include/generated/timeconst.h
targets += $(timeconst-file) targets += $(timeconst-file)
define filechk_gentimeconst filechk_gentimeconst = echo $(CONFIG_HZ) | bc -q $<
echo $(CONFIG_HZ) | bc -q $<
endef
$(timeconst-file): kernel/time/timeconst.bc FORCE $(timeconst-file): kernel/time/timeconst.bc FORCE
$(call filechk,gentimeconst) $(call filechk,gentimeconst)

3
Makefile
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@ -1041,9 +1041,8 @@ PHONY += $(vmlinux-dirs)
$(vmlinux-dirs): prepare $(vmlinux-dirs): prepare
$(Q)$(MAKE) $(build)=$@ need-builtin=1 $(Q)$(MAKE) $(build)=$@ need-builtin=1
define filechk_kernel.release filechk_kernel.release = \
echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
endef
# Store (new) KERNELRELEASE string in include/config/kernel.release # Store (new) KERNELRELEASE string in include/config/kernel.release
include/config/kernel.release: $(srctree)/Makefile FORCE include/config/kernel.release: $(srctree)/Makefile FORCE

12
arch/s390/kernel/syscalls/Makefile
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@ -24,17 +24,11 @@ uapi: $(uapi-hdrs-y)
_dummy := $(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)') \ _dummy := $(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)') \
$(shell [ -d '$(kapi)' ] || mkdir -p '$(kapi)') $(shell [ -d '$(kapi)' ] || mkdir -p '$(kapi)')
define filechk_syshdr filechk_syshdr = $(CONFIG_SHELL) '$(systbl)' -H -a $(syshdr_abi_$(basetarget)) -f "$2" < $<
$(CONFIG_SHELL) '$(systbl)' -H -a $(syshdr_abi_$(basetarget)) -f "$2" < $<
endef
define filechk_sysnr filechk_sysnr = $(CONFIG_SHELL) '$(systbl)' -N -a $(sysnr_abi_$(basetarget)) < $<
$(CONFIG_SHELL) '$(systbl)' -N -a $(sysnr_abi_$(basetarget)) < $<
endef
define filechk_syscalls filechk_syscalls = $(CONFIG_SHELL) '$(systbl)' -S < $<
$(CONFIG_SHELL) '$(systbl)' -S < $<
endef
syshdr_abi_unistd_32 := common,32 syshdr_abi_unistd_32 := common,32
$(uapi)/unistd_32.h: $(syscall) FORCE $(uapi)/unistd_32.h: $(syscall) FORCE

7
arch/s390/tools/Makefile
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@ -20,13 +20,10 @@ HOSTCFLAGS_gen_opcode_table.o += -Wall $(LINUXINCLUDE)
# Ensure output directory exists # Ensure output directory exists
_dummy := $(shell [ -d '$(kapi)' ] || mkdir -p '$(kapi)') _dummy := $(shell [ -d '$(kapi)' ] || mkdir -p '$(kapi)')
define filechk_facility-defs.h filechk_facility-defs.h = $(obj)/gen_facilities
$(obj)/gen_facilities
endef
define filechk_dis-defs.h filechk_dis-defs.h = \
$(obj)/gen_opcode_table < $(srctree)/arch/$(ARCH)/tools/opcodes.txt $(obj)/gen_opcode_table < $(srctree)/arch/$(ARCH)/tools/opcodes.txt
endef
$(kapi)/facility-defs.h: $(obj)/gen_facilities FORCE $(kapi)/facility-defs.h: $(obj)/gen_facilities FORCE
$(call filechk,facility-defs.h) $(call filechk,facility-defs.h)

8
scripts/Kbuild.include
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@ -41,11 +41,11 @@ kecho := $($(quiet)kecho)
### ###
# filechk is used to check if the content of a generated file is updated. # filechk is used to check if the content of a generated file is updated.
# Sample usage: # Sample usage:
# define filechk_sample #
# echo $KERNELRELEASE # filechk_sample = echo $(KERNELRELEASE)
# endef # version.h: FORCE
# version.h : Makefile
# $(call filechk,sample) # $(call filechk,sample)
#
# The rule defined shall write to stdout the content of the new file. # The rule defined shall write to stdout the content of the new file.
# The existing file will be compared with the new one. # The existing file will be compared with the new one.
# - If no file exist it is created # - If no file exist it is created

4
scripts/kconfig/Makefile
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@ -201,9 +201,7 @@ HOSTCFLAGS_gconf.o = $(shell . $(obj)/.gconf-cfg && echo $$cflags)
$(obj)/gconf.o: $(obj)/.gconf-cfg $(obj)/gconf.o: $(obj)/.gconf-cfg
# check if necessary packages are available, and configure build flags # check if necessary packages are available, and configure build flags
define filechk_conf_cfg filechk_conf_cfg = $(CONFIG_SHELL) $<
$(CONFIG_SHELL) $<
endef
$(obj)/.%conf-cfg: $(src)/%conf-cfg.sh FORCE $(obj)/.%conf-cfg: $(src)/%conf-cfg.sh FORCE
$(call filechk,conf_cfg) $(call filechk,conf_cfg)