1include ../scripts/Makefile.include 2 3bindir ?= /usr/bin 4 5ifeq ($(srctree),) 6srctree := $(patsubst %/,%,$(dir $(shell pwd))) 7srctree := $(patsubst %/,%,$(dir $(srctree))) 8endif 9 10# Do not use make's built-in rules 11# (this improves performance and avoids hard-to-debug behaviour); 12MAKEFLAGS += -r 13 14CC = $(CROSS_COMPILE)gcc 15LD = $(CROSS_COMPILE)ld 16CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include 17 18ALL_TARGETS := lsgpio gpio-hammer gpio-event-mon 19ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS)) 20 21all: $(ALL_PROGRAMS) 22 23export srctree OUTPUT CC LD CFLAGS 24include $(srctree)/tools/build/Makefile.include 25 26# 27# We need the following to be outside of kernel tree 28# 29$(OUTPUT)include/linux/gpio.h: ../../include/uapi/linux/gpio.h 30 mkdir -p $(OUTPUT)include/linux 2>&1 || true 31 ln -sf $(CURDIR)/../../include/uapi/linux/gpio.h $@ 32 33prepare: $(OUTPUT)include/linux/gpio.h 34 35# 36# lsgpio 37# 38LSGPIO_IN := $(OUTPUT)lsgpio-in.o 39$(LSGPIO_IN): prepare FORCE 40 $(Q)$(MAKE) $(build)=lsgpio 41$(OUTPUT)lsgpio: $(LSGPIO_IN) 42 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ 43 44# 45# gpio-hammer 46# 47GPIO_HAMMER_IN := $(OUTPUT)gpio-hammer-in.o 48$(GPIO_HAMMER_IN): prepare FORCE 49 $(Q)$(MAKE) $(build)=gpio-hammer 50$(OUTPUT)gpio-hammer: $(GPIO_HAMMER_IN) 51 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ 52 53# 54# gpio-event-mon 55# 56GPIO_EVENT_MON_IN := $(OUTPUT)gpio-event-mon-in.o 57$(GPIO_EVENT_MON_IN): prepare FORCE 58 $(Q)$(MAKE) $(build)=gpio-event-mon 59$(OUTPUT)gpio-event-mon: $(GPIO_EVENT_MON_IN) 60 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ 61 62clean: 63 rm -f $(ALL_PROGRAMS) 64 rm -f $(OUTPUT)include/linux/gpio.h 65 find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete 66 67install: $(ALL_PROGRAMS) 68 install -d -m 755 $(DESTDIR)$(bindir); \ 69 for program in $(ALL_PROGRAMS); do \ 70 install $$program $(DESTDIR)$(bindir); \ 71 done 72 73FORCE: 74 75.PHONY: all install clean FORCE prepare 76