[linux-2.6-block.git] / tools / gpio / Makefile

# SPDX-License-Identifier: GPL-2.0
include ../scripts/Makefile.include

bindir ?= /usr/bin

# This will work when gpio is built in tools env. where srctree
# isn't set and when invoked from selftests build, where srctree
# is set to ".". building_out_of_srctree is undefined for in srctree
# builds
ifndef building_out_of_srctree
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
endif

# Do not use make's built-in rules
# (this improves performance and avoids hard-to-debug behaviour);
MAKEFLAGS += -r

override CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include

ALL_TARGETS := lsgpio gpio-hammer gpio-event-mon
ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS))

all: $(ALL_PROGRAMS)

export srctree OUTPUT CC LD CFLAGS
include $(srctree)/tools/build/Makefile.include

#
# We need the following to be outside of kernel tree
#
$(OUTPUT)include/linux/gpio.h: ../../include/uapi/linux/gpio.h
	mkdir -p $(OUTPUT)include/linux 2>&1 || true
	ln -sf $(CURDIR)/../../include/uapi/linux/gpio.h $@

prepare: $(OUTPUT)include/linux/gpio.h

GPIO_UTILS_IN := $(output)gpio-utils-in.o
$(GPIO_UTILS_IN): prepare FORCE
	$(Q)$(MAKE) $(build)=gpio-utils

#
# lsgpio
#
LSGPIO_IN := $(OUTPUT)lsgpio-in.o
$(LSGPIO_IN): prepare FORCE $(OUTPUT)gpio-utils-in.o
	$(Q)$(MAKE) $(build)=lsgpio
$(OUTPUT)lsgpio: $(LSGPIO_IN)
	$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@

#
# gpio-hammer
#
GPIO_HAMMER_IN := $(OUTPUT)gpio-hammer-in.o
$(GPIO_HAMMER_IN): prepare FORCE $(OUTPUT)gpio-utils-in.o
	$(Q)$(MAKE) $(build)=gpio-hammer
$(OUTPUT)gpio-hammer: $(GPIO_HAMMER_IN)
	$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@

#
# gpio-event-mon
#
GPIO_EVENT_MON_IN := $(OUTPUT)gpio-event-mon-in.o
$(GPIO_EVENT_MON_IN): prepare FORCE $(OUTPUT)gpio-utils-in.o
	$(Q)$(MAKE) $(build)=gpio-event-mon
$(OUTPUT)gpio-event-mon: $(GPIO_EVENT_MON_IN)
	$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@

clean:
	rm -f $(ALL_PROGRAMS)
	rm -f $(OUTPUT)include/linux/gpio.h
	find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete

install: $(ALL_PROGRAMS)
	install -d -m 755 $(DESTDIR)$(bindir);		\
	for program in $(ALL_PROGRAMS); do		\
		install $$program $(DESTDIR)$(bindir);	\
	done

FORCE:

.PHONY: all install clean FORCE prepare
Commit	Line	Data
b2441318	1	# SPDX-License-Identifier: GPL-2.0
8674cea8 AS	2	include ../scripts/Makefile.include
8674cea8 AS	3
53499109 AS	4	bindir ?= /usr/bin
53499109 AS	5
4a6a6f5c SK	6	# This will work when gpio is built in tools env. where srctree
	7	# isn't set and when invoked from selftests build, where srctree
	8	# is set to ".". building_out_of_srctree is undefined for in srctree
	9	# builds
	10	ifndef building_out_of_srctree
e19b7cee	11	srctree := $(patsubst %/,%,$(dir $(CURDIR)))
8674cea8 AS	12	srctree := $(patsubst %/,%,$(dir $(srctree)))
	13	endif
	14
	15	# Do not use make's built-in rules
	16	# (this improves performance and avoids hard-to-debug behaviour);
	17	MAKEFLAGS += -r
	18
4ccc98a4	19	override CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include
8674cea8 AS	20
	21	ALL_TARGETS := lsgpio gpio-hammer gpio-event-mon
	22	ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS))
	23
	24	all: $(ALL_PROGRAMS)
6d591c46	25
8674cea8 AS	26	export srctree OUTPUT CC LD CFLAGS
8674cea8 AS	27	include $(srctree)/tools/build/Makefile.include
6d591c46	28
8674cea8 AS	29	#
	30	# We need the following to be outside of kernel tree
	31	#
	32	$(OUTPUT)include/linux/gpio.h: ../../include/uapi/linux/gpio.h
	33	mkdir -p $(OUTPUT)include/linux 2>&1 \|\| true
	34	ln -sf $(CURDIR)/../../include/uapi/linux/gpio.h $@
6d591c46	35
8674cea8 AS	36	prepare: $(OUTPUT)include/linux/gpio.h
8674cea8 AS	37
0161a94e LA	38	GPIO_UTILS_IN := $(output)gpio-utils-in.o
	39	$(GPIO_UTILS_IN): prepare FORCE
	40	$(Q)$(MAKE) $(build)=gpio-utils
	41
8674cea8 AS	42	#
	43	# lsgpio
	44	#
	45	LSGPIO_IN := $(OUTPUT)lsgpio-in.o
0161a94e	46	$(LSGPIO_IN): prepare FORCE $(OUTPUT)gpio-utils-in.o
8674cea8 AS	47	$(Q)$(MAKE) $(build)=lsgpio
	48	$(OUTPUT)lsgpio: $(LSGPIO_IN)
	49	$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
	50
	51	#
	52	# gpio-hammer
	53	#
	54	GPIO_HAMMER_IN := $(OUTPUT)gpio-hammer-in.o
0161a94e	55	$(GPIO_HAMMER_IN): prepare FORCE $(OUTPUT)gpio-utils-in.o
8674cea8 AS	56	$(Q)$(MAKE) $(build)=gpio-hammer
	57	$(OUTPUT)gpio-hammer: $(GPIO_HAMMER_IN)
	58	$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
	59
	60	#
	61	# gpio-event-mon
	62	#
	63	GPIO_EVENT_MON_IN := $(OUTPUT)gpio-event-mon-in.o
0161a94e	64	$(GPIO_EVENT_MON_IN): prepare FORCE $(OUTPUT)gpio-utils-in.o
8674cea8 AS	65	$(Q)$(MAKE) $(build)=gpio-event-mon
	66	$(OUTPUT)gpio-event-mon: $(GPIO_EVENT_MON_IN)
	67	$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
6d591c46	68
6d591c46	69	clean:
8674cea8 AS	70	rm -f $(ALL_PROGRAMS)
	71	rm -f $(OUTPUT)include/linux/gpio.h
	72	find $(if $(OUTPUT),$(OUTPUT),.) -name '.o' -delete -o -name '\..d' -delete
	73
53499109 AS	74	install: $(ALL_PROGRAMS)
	75	install -d -m 755 $(DESTDIR)$(bindir); \
	76	for program in $(ALL_PROGRAMS); do \
	77	install $$program $(DESTDIR)$(bindir); \
	78	done
	79
8674cea8 AS	80	FORCE:
8674cea8 AS	81
53499109	82	.PHONY: all install clean FORCE prepare