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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869# 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