include ../scripts/Makefile.include 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 CC = $(CROSS_COMPILE)gcc LD = $(CROSS_COMPILE)ld CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include ALL_TARGETS := spidev_test spidev_fdx ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS)) all: $(ALL_PROGRAMS) export srctree OUTPUT CC LD CFLAGS include $(srctree)/tools/build/Makefile.include # # We need the following to be outside of kernel tree # $(OUTPUT)include/linux/spi/spidev.h: ../../include/uapi/linux/spi/spidev.h mkdir -p $(OUTPUT)include/linux/spi 2>&1 || true ln -sf $(CURDIR)/../../include/uapi/linux/spi/spidev.h $@ prepare: $(OUTPUT)include/linux/spi/spidev.h # # 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 -f $(OUTPUT)include/linux/spi/spidev.h find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete FORCE: .PHONY: all clean FORCE prepare