1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0 2 include ../scripts/Makefile.include 2 include ../scripts/Makefile.include 3 3 4 bindir ?= /usr/bin 4 bindir ?= /usr/bin 5 5 6 # This will work when gpio is built in tools e !! 6 ifeq ($(srctree),) 7 # isn't set and when invoked from selftests bu << 8 # is set to ".". building_out_of_srctree is un << 9 # builds << 10 ifndef building_out_of_srctree << 11 srctree := $(patsubst %/,%,$(dir $(CURDIR))) 7 srctree := $(patsubst %/,%,$(dir $(CURDIR))) 12 srctree := $(patsubst %/,%,$(dir $(srctree))) 8 srctree := $(patsubst %/,%,$(dir $(srctree))) 13 endif 9 endif 14 10 15 # Do not use make's built-in rules 11 # Do not use make's built-in rules 16 # (this improves performance and avoids hard-t 12 # (this improves performance and avoids hard-to-debug behaviour); 17 MAKEFLAGS += -r 13 MAKEFLAGS += -r 18 14 19 override CFLAGS += -O2 -Wall -g -D_GNU_SOURCE 15 override CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include 20 16 21 ALL_TARGETS := lsgpio gpio-hammer gpio-event-m !! 17 ALL_TARGETS := lsgpio gpio-hammer gpio-event-mon 22 ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_ 18 ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS)) 23 19 24 all: $(ALL_PROGRAMS) 20 all: $(ALL_PROGRAMS) 25 21 26 export srctree OUTPUT CC LD CFLAGS 22 export srctree OUTPUT CC LD CFLAGS 27 include $(srctree)/tools/build/Makefile.includ 23 include $(srctree)/tools/build/Makefile.include 28 24 29 # 25 # 30 # We need the following to be outside of kerne 26 # We need the following to be outside of kernel tree 31 # 27 # 32 $(OUTPUT)include/linux/gpio.h: ../../include/u 28 $(OUTPUT)include/linux/gpio.h: ../../include/uapi/linux/gpio.h 33 mkdir -p $(OUTPUT)include/linux 2>&1 | 29 mkdir -p $(OUTPUT)include/linux 2>&1 || true 34 ln -sf $(CURDIR)/../../include/uapi/li 30 ln -sf $(CURDIR)/../../include/uapi/linux/gpio.h $@ 35 31 36 prepare: $(OUTPUT)include/linux/gpio.h 32 prepare: $(OUTPUT)include/linux/gpio.h 37 33 38 GPIO_UTILS_IN := $(OUTPUT)gpio-utils-in.o << 39 $(GPIO_UTILS_IN): prepare FORCE << 40 $(Q)$(MAKE) $(build)=gpio-utils << 41 << 42 # 34 # 43 # lsgpio 35 # lsgpio 44 # 36 # 45 LSGPIO_IN := $(OUTPUT)lsgpio-in.o 37 LSGPIO_IN := $(OUTPUT)lsgpio-in.o 46 $(LSGPIO_IN): prepare FORCE $(OUTPUT)gpio-util !! 38 $(LSGPIO_IN): prepare FORCE 47 $(Q)$(MAKE) $(build)=lsgpio 39 $(Q)$(MAKE) $(build)=lsgpio 48 $(OUTPUT)lsgpio: $(LSGPIO_IN) 40 $(OUTPUT)lsgpio: $(LSGPIO_IN) 49 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS 41 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ 50 42 51 # 43 # 52 # gpio-hammer 44 # gpio-hammer 53 # 45 # 54 GPIO_HAMMER_IN := $(OUTPUT)gpio-hammer-in.o 46 GPIO_HAMMER_IN := $(OUTPUT)gpio-hammer-in.o 55 $(GPIO_HAMMER_IN): prepare FORCE $(OUTPUT)gpio !! 47 $(GPIO_HAMMER_IN): prepare FORCE 56 $(Q)$(MAKE) $(build)=gpio-hammer 48 $(Q)$(MAKE) $(build)=gpio-hammer 57 $(OUTPUT)gpio-hammer: $(GPIO_HAMMER_IN) 49 $(OUTPUT)gpio-hammer: $(GPIO_HAMMER_IN) 58 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS 50 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ 59 51 60 # 52 # 61 # gpio-event-mon 53 # gpio-event-mon 62 # 54 # 63 GPIO_EVENT_MON_IN := $(OUTPUT)gpio-event-mon-i 55 GPIO_EVENT_MON_IN := $(OUTPUT)gpio-event-mon-in.o 64 $(GPIO_EVENT_MON_IN): prepare FORCE $(OUTPUT)g !! 56 $(GPIO_EVENT_MON_IN): prepare FORCE 65 $(Q)$(MAKE) $(build)=gpio-event-mon 57 $(Q)$(MAKE) $(build)=gpio-event-mon 66 $(OUTPUT)gpio-event-mon: $(GPIO_EVENT_MON_IN) 58 $(OUTPUT)gpio-event-mon: $(GPIO_EVENT_MON_IN) 67 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS 59 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ 68 60 69 # << 70 # gpio-watch << 71 # << 72 GPIO_WATCH_IN := $(OUTPUT)gpio-watch-in.o << 73 $(GPIO_WATCH_IN): prepare FORCE << 74 $(Q)$(MAKE) $(build)=gpio-watch << 75 $(OUTPUT)gpio-watch: $(GPIO_WATCH_IN) << 76 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS << 77 << 78 clean: 61 clean: 79 rm -f $(ALL_PROGRAMS) 62 rm -f $(ALL_PROGRAMS) 80 rm -f $(OUTPUT)include/linux/gpio.h 63 rm -f $(OUTPUT)include/linux/gpio.h 81 find $(or $(OUTPUT),.) -name '*.o' -de !! 64 find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete 82 65 83 install: $(ALL_PROGRAMS) 66 install: $(ALL_PROGRAMS) 84 install -d -m 755 $(DESTDIR)$(bindir); 67 install -d -m 755 $(DESTDIR)$(bindir); \ 85 for program in $(ALL_PROGRAMS); do 68 for program in $(ALL_PROGRAMS); do \ 86 install $$program $(DESTDIR)$( 69 install $$program $(DESTDIR)$(bindir); \ 87 done 70 done 88 71 89 FORCE: 72 FORCE: 90 73 91 .PHONY: all install clean FORCE prepare 74 .PHONY: all install clean FORCE prepare
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