# SPDX-License-Identifier: GPL-2.0-onlyinclude ../scripts/Makefile.include bindir ?= /usr/bin ifeq ($(srctree),)srctree := $(patsubst %/,%,$(dir $(CURDIR)))srctree := $(patsubst %/,%,$(dir $(srctree)))endif # Do not use make's built-in rules# (this improves performance and avoids hard-to-debug behaviour);MAKEFLAGS += -r CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include ALL_TARGETS := spidev_test spidev_fdxALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS)) all: $(ALL_PROGRAMS) export srctree OUTPUT CC LD CFLAGSinclude $(srctree)/tools/build/Makefile.include ## We need the following to be outside of kernel tree#$(OUTPUT)include/linux/spi: ../../include/uapi/linux/spi	mkdir -p $(OUTPUT)include/linux/spi 2>&1 || true	ln -sf $(CURDIR)/../../include/uapi/linux/spi/spidev.h $@	ln -sf $(CURDIR)/../../include/uapi/linux/spi/spi.h $@ prepare: $(OUTPUT)include/linux/spi ## spidev_test#SPIDEV_TEST_IN := $(OUTPUT)spidev_test-in.o$(SPIDEV_TEST_IN): prepare FORCE	$(Q)$(MAKE) $(build)=spidev_test$(OUTPUT)spidev_test: $(SPIDEV_TEST_IN)	$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ ## spidev_fdx#SPIDEV_FDX_IN := $(OUTPUT)spidev_fdx-in.o$(SPIDEV_FDX_IN): prepare FORCE	$(Q)$(MAKE) $(build)=spidev_fdx$(OUTPUT)spidev_fdx: $(SPIDEV_FDX_IN)	$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ clean:	rm -f $(ALL_PROGRAMS)	rm -rf $(OUTPUT)include/	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);		\	for program in $(ALL_PROGRAMS); do		\		install $$program $(DESTDIR)$(bindir);	\	done FORCE: .PHONY: all install clean FORCE prepare