kbuild: replace $(if A,A,B) with $(or A,B)

$(or ...) is available since GNU Make 3.81, and useful to shorten the code in some places. Covert as follows: $(if A,A,B) --> $(or A,B) This patch also converts: $(if A, A, B) --> $(or A, B) Strictly speaking, the latter is not an equivalent conversion because GNU Make keeps spaces after commas; if A is not empty, $(if A, A, B) expands to " A", while $(or A, B) expands to "A". Anyway, preceding spaces are not significant in the code hunks I touched. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
2024-12-29 01:03:32 +00:00 · 2022-02-11 14:14:11 +09:00 · 2022-02-11 14:14:11 +09:00 · 5c8166419a
commit 5c8166419a
parent f67695c996
22 changed files with 30 additions and 31 deletions
--- a/8
+++ b/8
@ -1240,8 +1240,8 @@ define filechk_version.h
 	echo \#define LINUX_VERSION_SUBLEVEL $(SUBLEVEL)
 endef

-$(version_h): PATCHLEVEL := $(if $(PATCHLEVEL), $(PATCHLEVEL), 0)
-$(version_h): SUBLEVEL := $(if $(SUBLEVEL), $(SUBLEVEL), 0)
+$(version_h): PATCHLEVEL := $(or $(PATCHLEVEL), 0)
+$(version_h): SUBLEVEL := $(or $(SUBLEVEL), 0)
 $(version_h): FORCE
 	$(call filechk,version.h)

@ -1624,7 +1624,7 @@ help:
 	@$(MAKE) -f $(srctree)/Documentation/Makefile dochelp
 	@echo  ''
 	@echo  'Architecture specific targets ($(SRCARCH)):'
-	@$(if $(archhelp),$(archhelp),\
+	@$(or $(archhelp),\
 		echo '  No architecture specific help defined for $(SRCARCH)')
 	@echo  ''
 	@$(if $(boards), \
@ -1841,7 +1841,7 @@ $(clean-dirs):

 clean: $(clean-dirs)
 	$(call cmd,rmfiles)
-	@find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \
+	@find $(or $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \
 		\( -name '*.[aios]' -o -name '*.ko' -o -name '.*.cmd' \
 		-o -name '*.ko.*' \
 		-o -name '*.dtb' -o -name '*.dtbo' -o -name '*.dtb.S' -o -name '*.dt.yaml' \
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@ -40,8 +40,7 @@ include $(srctree)/scripts/Makefile.compiler

 # The filename Kbuild has precedence over Makefile
 kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
-kbuild-file := $(if $(wildcard $(kbuild-dir)/Kbuild),$(kbuild-dir)/Kbuild,$(kbuild-dir)/Makefile)
-include $(kbuild-file)
+include $(or $(wildcard $(kbuild-dir)/Kbuild),$(kbuild-dir)/Makefile)

 include $(srctree)/scripts/Makefile.lib

--- a/scripts/Makefile.clean
+++ b/scripts/Makefile.clean
@ -12,7 +12,7 @@ include $(srctree)/scripts/Kbuild.include

 # The filename Kbuild has precedence over Makefile
 kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
-include $(if $(wildcard $(kbuild-dir)/Kbuild), $(kbuild-dir)/Kbuild, $(kbuild-dir)/Makefile)
+include $(or $(wildcard $(kbuild-dir)/Kbuild),$(kbuild-dir)/Makefile)

 # Figure out what we need to build from the various variables
 # ==========================================================================
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@ -111,7 +111,7 @@ subdir-ym	:= $(addprefix $(obj)/,$(subdir-ym))
 modname-multi = $(sort $(foreach m,$(multi-obj-ym),\
 		$(if $(filter $*.o, $(call suffix-search, $m, .o, -objs -y -m)),$(m:.o=))))

-__modname = $(if $(modname-multi),$(modname-multi),$(basetarget))
+__modname = $(or $(modname-multi),$(basetarget))

 modname = $(subst $(space),:,$(__modname))
 modfile = $(addprefix $(obj)/,$(__modname))
@ -434,7 +434,7 @@ MKIMAGE := $(srctree)/scripts/mkuboot.sh
 # SRCARCH just happens to match slightly more than ARCH (on sparc), so reduces
 # the number of overrides in arch makefiles
 UIMAGE_ARCH ?= $(SRCARCH)
-UIMAGE_COMPRESSION ?= $(if $(2),$(2),none)
+UIMAGE_COMPRESSION ?= $(or $(2),none)
 UIMAGE_OPTS-y ?=
 UIMAGE_TYPE ?= kernel
 UIMAGE_LOADADDR ?= arch_must_set_this
--- a/tools/bpf/bpftool/Makefile
+++ b/tools/bpf/bpftool/Makefile
@ -78,7 +78,7 @@ CFLAGS += -O2
 CFLAGS += -W -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers
 CFLAGS += $(filter-out -Wswitch-enum -Wnested-externs,$(EXTRA_WARNINGS))
 CFLAGS += -DPACKAGE='"bpftool"' -D__EXPORTED_HEADERS__ \
-	-I$(if $(OUTPUT),$(OUTPUT),.) \
+	-I$(or $(OUTPUT),.) \
 	-I$(LIBBPF_INCLUDE) \
 	-I$(srctree)/kernel/bpf/ \
 	-I$(srctree)/tools/include \
@ -186,7 +186,7 @@ endif

 $(OUTPUT)%.bpf.o: skeleton/%.bpf.c $(OUTPUT)vmlinux.h $(LIBBPF_BOOTSTRAP)
 	$(QUIET_CLANG)$(CLANG) \
-		-I$(if $(OUTPUT),$(OUTPUT),.) \
+		-I$(or $(OUTPUT),.) \
 		-I$(srctree)/tools/include/uapi/ \
 		-I$(LIBBPF_BOOTSTRAP_INCLUDE) \
 		-g -O2 -Wall -target bpf -c $< -o $@
--- a/tools/build/Makefile
+++ b/tools/build/Makefile
@ -36,7 +36,7 @@ TMP_O := $(if $(OUTPUT),$(OUTPUT)feature/,./)

 clean:
 	$(call QUIET_CLEAN, fixdep)
-	$(Q)find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
+	$(Q)find $(or $(OUTPUT),.) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
 	$(Q)rm -f $(OUTPUT)fixdep
 	$(call QUIET_CLEAN, feature-detect)
 ifneq ($(wildcard $(TMP_O)),)
--- a/tools/counter/Makefile
+++ b/tools/counter/Makefile
@ -40,7 +40,7 @@ $(OUTPUT)counter_example: $(COUNTER_EXAMPLE)
 clean:
 	rm -f $(ALL_PROGRAMS)
 	rm -rf $(OUTPUT)include/linux/counter.h
-	find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete
+	find $(or $(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete

 install: $(ALL_PROGRAMS)
 	install -d -m 755 $(DESTDIR)$(bindir);		\
--- a/tools/gpio/Makefile
+++ b/tools/gpio/Makefile
@ -78,7 +78,7 @@ $(OUTPUT)gpio-watch: $(GPIO_WATCH_IN)
 clean:
 	rm -f $(ALL_PROGRAMS)
 	rm -f $(OUTPUT)include/linux/gpio.h
-	find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete
+	find $(or $(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete

 install: $(ALL_PROGRAMS)
 	install -d -m 755 $(DESTDIR)$(bindir);		\
--- a/tools/hv/Makefile
+++ b/tools/hv/Makefile
@ -47,7 +47,7 @@ $(OUTPUT)hv_fcopy_daemon: $(HV_FCOPY_DAEMON_IN)

 clean:
 	rm -f $(ALL_PROGRAMS)
-	find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete
+	find $(or $(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete

 install: $(ALL_PROGRAMS)
 	install -d -m 755 $(DESTDIR)$(sbindir); \
--- a/tools/iio/Makefile
+++ b/tools/iio/Makefile
@ -58,7 +58,7 @@ $(OUTPUT)iio_generic_buffer: $(IIO_GENERIC_BUFFER_IN)
 clean:
 	rm -f $(ALL_PROGRAMS)
 	rm -rf $(OUTPUT)include/linux/iio
-	find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete
+	find $(or $(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete

 install: $(ALL_PROGRAMS)
 	install -d -m 755 $(DESTDIR)$(bindir);		\
--- a/tools/lib/api/Makefile
+++ b/tools/lib/api/Makefile
@ -60,7 +60,7 @@ $(LIBFILE): $(API_IN)

 clean:
 	$(call QUIET_CLEAN, libapi) $(RM) $(LIBFILE); \
-	find $(if $(OUTPUT),$(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM)
+	find $(or $(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM)

 FORCE:

--- a/tools/lib/bpf/Makefile
+++ b/tools/lib/bpf/Makefile
@ -60,7 +60,7 @@ ifndef VERBOSE
  VERBOSE = 0
 endif

-INCLUDES = -I$(if $(OUTPUT),$(OUTPUT),.)				\
+INCLUDES = -I$(or $(OUTPUT),.) \
 	   -I$(srctree)/tools/include -I$(srctree)/tools/include/uapi

 export prefix libdir src obj
--- a/tools/lib/perf/Makefile
+++ b/tools/lib/perf/Makefile
@ -153,7 +153,7 @@ $(TESTS_STATIC): $(TESTS_IN) $(LIBPERF_A) $(LIBAPI)
 	$(QUIET_LINK)$(CC) -o $@ $^

 $(TESTS_SHARED): $(TESTS_IN) $(LIBAPI)
-	$(QUIET_LINK)$(CC) -o $@ -L$(if $(OUTPUT),$(OUTPUT),.) $^ -lperf
+	$(QUIET_LINK)$(CC) -o $@ -L$(or $(OUTPUT),.) $^ -lperf

 make-tests: libs $(TESTS_SHARED) $(TESTS_STATIC)

--- a/tools/lib/subcmd/Makefile
+++ b/tools/lib/subcmd/Makefile
@ -63,7 +63,7 @@ $(LIBFILE): $(SUBCMD_IN)

 clean:
 	$(call QUIET_CLEAN, libsubcmd) $(RM) $(LIBFILE); \
-	find $(if $(OUTPUT),$(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM)
+	find $(or $(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM)

 FORCE:

--- a/tools/objtool/Makefile
+++ b/tools/objtool/Makefile
@ -13,7 +13,7 @@ srctree := $(patsubst %/,%,$(dir $(srctree)))
 endif

 SUBCMD_SRCDIR		= $(srctree)/tools/lib/subcmd/
-LIBSUBCMD_OUTPUT	= $(if $(OUTPUT),$(OUTPUT),$(CURDIR)/)
+LIBSUBCMD_OUTPUT	= $(or $(OUTPUT),$(CURDIR)/)
 LIBSUBCMD		= $(LIBSUBCMD_OUTPUT)libsubcmd.a

 OBJTOOL    := $(OUTPUT)objtool
--- a/tools/pci/Makefile
+++ b/tools/pci/Makefile
@ -42,7 +42,7 @@ $(OUTPUT)pcitest: $(PCITEST_IN)
 clean:
 	rm -f $(ALL_PROGRAMS)
 	rm -rf $(OUTPUT)include/
-	find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete
+	find $(or $(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete

 install: $(ALL_PROGRAMS)
 	install -d -m 755 $(DESTDIR)$(bindir);		\
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@ -724,7 +724,7 @@ endif
 # get relative building directory (to $(OUTPUT))
 # and '.' if it's $(OUTPUT) itself
 __build-dir = $(subst $(OUTPUT),,$(dir $@))
-build-dir   = $(if $(__build-dir),$(__build-dir),.)
+build-dir   = $(or $(__build-dir),.)

 prepare: $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)common-cmds.h archheaders $(drm_ioctl_array) \
 	$(fadvise_advice_array) \
@ -1090,7 +1090,7 @@ bpf-skel-clean:

 clean:: $(LIBTRACEEVENT)-clean $(LIBAPI)-clean $(LIBBPF)-clean $(LIBSUBCMD)-clean $(LIBPERF)-clean fixdep-clean python-clean bpf-skel-clean
 	$(call QUIET_CLEAN, core-objs)  $(RM) $(LIBPERF_A) $(OUTPUT)perf-archive $(OUTPUT)perf-with-kcore $(OUTPUT)perf-iostat $(LANG_BINDINGS)
-	$(Q)find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
+	$(Q)find $(or $(OUTPUT),.) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
 	$(Q)$(RM) $(OUTPUT).config-detected
 	$(call QUIET_CLEAN, core-progs) $(RM) $(ALL_PROGRAMS) perf perf-read-vdso32 perf-read-vdsox32 $(OUTPUT)pmu-events/jevents $(OUTPUT)$(LIBJVMTI).so
 	$(call QUIET_CLEAN, core-gen)   $(RM)  *.spec *.pyc *.pyo */*.pyc */*.pyo $(OUTPUT)common-cmds.h TAGS tags cscope* $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)FEATURE-DUMP $(OUTPUT)util/*-bison* $(OUTPUT)util/*-flex* \
--- a/tools/power/x86/intel-speed-select/Makefile
+++ b/tools/power/x86/intel-speed-select/Makefile
@ -43,7 +43,7 @@ $(OUTPUT)intel-speed-select: $(ISST_IN)
 clean:
 	rm -f $(ALL_PROGRAMS)
 	rm -rf $(OUTPUT)include/linux/isst_if.h
-	find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete
+	find $(or $(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete

 install: $(ALL_PROGRAMS)
 	install -d -m 755 $(DESTDIR)$(bindir);		\
--- a/tools/scripts/utilities.mak
+++ b/tools/scripts/utilities.mak
@ -175,5 +175,5 @@ _ge-abspath = $(if $(is-executable),$(1))
 define get-executable-or-default
 $(if $($(1)),$(call _ge_attempt,$($(1)),$(1)),$(call _ge_attempt,$(2)))
 endef
-_ge_attempt = $(if $(get-executable),$(get-executable),$(call _gea_err,$(2)))
+_ge_attempt = $(or $(get-executable),$(call _gea_err,$(2)))
 _gea_err  = $(if $(1),$(error Please set '$(1)' appropriately))
--- a/tools/spi/Makefile
+++ b/tools/spi/Makefile
@ -53,9 +53,9 @@ $(OUTPUT)spidev_fdx: $(SPIDEV_FDX_IN)
 clean:
 	rm -f $(ALL_PROGRAMS)
 	rm -rf $(OUTPUT)include/
-	find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete
-	find $(if $(OUTPUT),$(OUTPUT),.) -name '\.*.o.d' -delete
-	find $(if $(OUTPUT),$(OUTPUT),.) -name '\.*.o.cmd' -delete
+	find $(or $(OUTPUT),.) -name '*.o' -delete
+	find $(or $(OUTPUT),.) -name '\.*.o.d' -delete
+	find $(or $(OUTPUT),.) -name '\.*.o.cmd' -delete

 install: $(ALL_PROGRAMS)
 	install -d -m 755 $(DESTDIR)$(bindir);		\
--- a/tools/tracing/rtla/Makefile
+++ b/tools/tracing/rtla/Makefile
@ -46,7 +46,7 @@ DATADIR	:=	/usr/share
 DOCDIR	:=	$(DATADIR)/doc
 MANDIR	:=	$(DATADIR)/man
 LICDIR	:=	$(DATADIR)/licenses
-SRCTREE	:=	$(if $(BUILD_SRC),$(BUILD_SRC),$(CURDIR))
+SRCTREE	:=	$(or $(BUILD_SRC),$(CURDIR))

 # If running from the tarball, man pages are stored in the Documentation
 # dir. If running from the kernel source, man pages are stored in
--- a/tools/usb/Makefile
+++ b/tools/usb/Makefile
@ -38,7 +38,7 @@ $(OUTPUT)ffs-test: $(FFS_TEST_IN)

 clean:
 	rm -f $(ALL_PROGRAMS)
-	find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete -o -name '\.*.o.cmd' -delete
+	find $(or $(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete -o -name '\.*.o.cmd' -delete

 install: $(ALL_PROGRAMS)
 	install -d -m 755 $(DESTDIR)$(bindir);		\