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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)
define filechk_gentimeconst
echo $(CONFIG_HZ) | bc -q $<
endef
filechk_gentimeconst = echo $(CONFIG_HZ) | bc -q $<
$(timeconst-file): kernel/time/timeconst.bc FORCE
$(call filechk,gentimeconst)

3
Makefile
View file

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

12
arch/s390/kernel/syscalls/Makefile
View file

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

7
arch/s390/tools/Makefile
View file

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

8
scripts/Kbuild.include
View file

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

4
scripts/kconfig/Makefile
View file

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