1include ../scripts/Makefile.include 2 3ifeq ($(srctree),) 4srctree := $(patsubst %/,%,$(dir $(CURDIR))) 5srctree := $(patsubst %/,%,$(dir $(srctree))) 6endif 7 8# Do not use make's built-in rules 9# (this improves performance and avoids hard-to-debug behaviour); 10MAKEFLAGS += -r 11 12CC = $(CROSS_COMPILE)gcc 13LD = $(CROSS_COMPILE)ld 14CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include 15 16ALL_TARGETS := spidev_test spidev_fdx 17ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS)) 18 19all: $(ALL_PROGRAMS) 20 21export srctree OUTPUT CC LD CFLAGS 22include $(srctree)/tools/build/Makefile.include 23 24# 25# We need the following to be outside of kernel tree 26# 27$(OUTPUT)include/linux/spi/spidev.h: ../../include/uapi/linux/spi/spidev.h 28 mkdir -p $(OUTPUT)include/linux/spi 2>&1 || true 29 ln -sf $(CURDIR)/../../include/uapi/linux/spi/spidev.h $@ 30 31prepare: $(OUTPUT)include/linux/spi/spidev.h 32 33# 34# spidev_test 35# 36SPIDEV_TEST_IN := $(OUTPUT)spidev_test-in.o 37$(SPIDEV_TEST_IN): prepare FORCE 38 $(Q)$(MAKE) $(build)=spidev_test 39$(OUTPUT)spidev_test: $(SPIDEV_TEST_IN) 40 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ 41 42# 43# spidev_fdx 44# 45SPIDEV_FDX_IN := $(OUTPUT)spidev_fdx-in.o 46$(SPIDEV_FDX_IN): prepare FORCE 47 $(Q)$(MAKE) $(build)=spidev_fdx 48$(OUTPUT)spidev_fdx: $(SPIDEV_FDX_IN) 49 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ 50 51clean: 52 rm -f $(ALL_PROGRAMS) 53 rm -f $(OUTPUT)include/linux/spi/spidev.h 54 find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete 55 56FORCE: 57 58.PHONY: all clean FORCE prepare 59