1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0 2*4882a593Smuzhiyuninclude ../scripts/Makefile.include 3*4882a593Smuzhiyun 4*4882a593Smuzhiyunbindir ?= /usr/bin 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun# This will work when gpio is built in tools env. where srctree 7*4882a593Smuzhiyun# isn't set and when invoked from selftests build, where srctree 8*4882a593Smuzhiyun# is set to ".". building_out_of_srctree is undefined for in srctree 9*4882a593Smuzhiyun# builds 10*4882a593Smuzhiyunifndef building_out_of_srctree 11*4882a593Smuzhiyunsrctree := $(patsubst %/,%,$(dir $(CURDIR))) 12*4882a593Smuzhiyunsrctree := $(patsubst %/,%,$(dir $(srctree))) 13*4882a593Smuzhiyunendif 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun# Do not use make's built-in rules 16*4882a593Smuzhiyun# (this improves performance and avoids hard-to-debug behaviour); 17*4882a593SmuzhiyunMAKEFLAGS += -r 18*4882a593Smuzhiyun 19*4882a593Smuzhiyunoverride CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include 20*4882a593Smuzhiyun 21*4882a593SmuzhiyunALL_TARGETS := lsgpio gpio-hammer gpio-event-mon gpio-watch 22*4882a593SmuzhiyunALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS)) 23*4882a593Smuzhiyun 24*4882a593Smuzhiyunall: $(ALL_PROGRAMS) 25*4882a593Smuzhiyun 26*4882a593Smuzhiyunexport srctree OUTPUT CC LD CFLAGS 27*4882a593Smuzhiyuninclude $(srctree)/tools/build/Makefile.include 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun# 30*4882a593Smuzhiyun# We need the following to be outside of kernel tree 31*4882a593Smuzhiyun# 32*4882a593Smuzhiyun$(OUTPUT)include/linux/gpio.h: ../../include/uapi/linux/gpio.h 33*4882a593Smuzhiyun mkdir -p $(OUTPUT)include/linux 2>&1 || true 34*4882a593Smuzhiyun ln -sf $(CURDIR)/../../include/uapi/linux/gpio.h $@ 35*4882a593Smuzhiyun 36*4882a593Smuzhiyunprepare: $(OUTPUT)include/linux/gpio.h 37*4882a593Smuzhiyun 38*4882a593SmuzhiyunGPIO_UTILS_IN := $(OUTPUT)gpio-utils-in.o 39*4882a593Smuzhiyun$(GPIO_UTILS_IN): prepare FORCE 40*4882a593Smuzhiyun $(Q)$(MAKE) $(build)=gpio-utils 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun# 43*4882a593Smuzhiyun# lsgpio 44*4882a593Smuzhiyun# 45*4882a593SmuzhiyunLSGPIO_IN := $(OUTPUT)lsgpio-in.o 46*4882a593Smuzhiyun$(LSGPIO_IN): prepare FORCE $(OUTPUT)gpio-utils-in.o 47*4882a593Smuzhiyun $(Q)$(MAKE) $(build)=lsgpio 48*4882a593Smuzhiyun$(OUTPUT)lsgpio: $(LSGPIO_IN) 49*4882a593Smuzhiyun $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun# 52*4882a593Smuzhiyun# gpio-hammer 53*4882a593Smuzhiyun# 54*4882a593SmuzhiyunGPIO_HAMMER_IN := $(OUTPUT)gpio-hammer-in.o 55*4882a593Smuzhiyun$(GPIO_HAMMER_IN): prepare FORCE $(OUTPUT)gpio-utils-in.o 56*4882a593Smuzhiyun $(Q)$(MAKE) $(build)=gpio-hammer 57*4882a593Smuzhiyun$(OUTPUT)gpio-hammer: $(GPIO_HAMMER_IN) 58*4882a593Smuzhiyun $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ 59*4882a593Smuzhiyun 60*4882a593Smuzhiyun# 61*4882a593Smuzhiyun# gpio-event-mon 62*4882a593Smuzhiyun# 63*4882a593SmuzhiyunGPIO_EVENT_MON_IN := $(OUTPUT)gpio-event-mon-in.o 64*4882a593Smuzhiyun$(GPIO_EVENT_MON_IN): prepare FORCE $(OUTPUT)gpio-utils-in.o 65*4882a593Smuzhiyun $(Q)$(MAKE) $(build)=gpio-event-mon 66*4882a593Smuzhiyun$(OUTPUT)gpio-event-mon: $(GPIO_EVENT_MON_IN) 67*4882a593Smuzhiyun $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun# 70*4882a593Smuzhiyun# gpio-watch 71*4882a593Smuzhiyun# 72*4882a593SmuzhiyunGPIO_WATCH_IN := $(OUTPUT)gpio-watch-in.o 73*4882a593Smuzhiyun$(GPIO_WATCH_IN): prepare FORCE 74*4882a593Smuzhiyun $(Q)$(MAKE) $(build)=gpio-watch 75*4882a593Smuzhiyun$(OUTPUT)gpio-watch: $(GPIO_WATCH_IN) 76*4882a593Smuzhiyun $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ 77*4882a593Smuzhiyun 78*4882a593Smuzhiyunclean: 79*4882a593Smuzhiyun rm -f $(ALL_PROGRAMS) 80*4882a593Smuzhiyun rm -f $(OUTPUT)include/linux/gpio.h 81*4882a593Smuzhiyun find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete 82*4882a593Smuzhiyun 83*4882a593Smuzhiyuninstall: $(ALL_PROGRAMS) 84*4882a593Smuzhiyun install -d -m 755 $(DESTDIR)$(bindir); \ 85*4882a593Smuzhiyun for program in $(ALL_PROGRAMS); do \ 86*4882a593Smuzhiyun install $$program $(DESTDIR)$(bindir); \ 87*4882a593Smuzhiyun done 88*4882a593Smuzhiyun 89*4882a593SmuzhiyunFORCE: 90*4882a593Smuzhiyun 91*4882a593Smuzhiyun.PHONY: all install clean FORCE prepare 92