1include ../scripts/Makefile.include
2
3bindir ?= /usr/bin
4
5ifeq ($(srctree),)
6srctree := $(patsubst %/,%,$(dir $(CURDIR)))
7srctree := $(patsubst %/,%,$(dir $(srctree)))
8endif
9
10# Do not use make's built-in rules
11# (this improves performance and avoids hard-to-debug behaviour);
12MAKEFLAGS += -r
13
14CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(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
56install: $(ALL_PROGRAMS)
57	install -d -m 755 $(DESTDIR)$(bindir);		\
58	for program in $(ALL_PROGRAMS); do		\
59		install $$program $(DESTDIR)$(bindir);	\
60	done
61
62FORCE:
63
64.PHONY: all install clean FORCE prepare
65