xref: /openbmc/linux/tools/spi/Makefile (revision 6f52b16c)
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
14CC = $(CROSS_COMPILE)gcc
15LD = $(CROSS_COMPILE)ld
16CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include
17
18ALL_TARGETS := spidev_test spidev_fdx
19ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS))
20
21all: $(ALL_PROGRAMS)
22
23export srctree OUTPUT CC LD CFLAGS
24include $(srctree)/tools/build/Makefile.include
25
26#
27# We need the following to be outside of kernel tree
28#
29$(OUTPUT)include/linux/spi/spidev.h: ../../include/uapi/linux/spi/spidev.h
30	mkdir -p $(OUTPUT)include/linux/spi 2>&1 || true
31	ln -sf $(CURDIR)/../../include/uapi/linux/spi/spidev.h $@
32
33prepare: $(OUTPUT)include/linux/spi/spidev.h
34
35#
36# spidev_test
37#
38SPIDEV_TEST_IN := $(OUTPUT)spidev_test-in.o
39$(SPIDEV_TEST_IN): prepare FORCE
40	$(Q)$(MAKE) $(build)=spidev_test
41$(OUTPUT)spidev_test: $(SPIDEV_TEST_IN)
42	$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
43
44#
45# spidev_fdx
46#
47SPIDEV_FDX_IN := $(OUTPUT)spidev_fdx-in.o
48$(SPIDEV_FDX_IN): prepare FORCE
49	$(Q)$(MAKE) $(build)=spidev_fdx
50$(OUTPUT)spidev_fdx: $(SPIDEV_FDX_IN)
51	$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
52
53clean:
54	rm -f $(ALL_PROGRAMS)
55	rm -f $(OUTPUT)include/linux/spi/spidev.h
56	find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete
57
58install: $(ALL_PROGRAMS)
59	install -d -m 755 $(DESTDIR)$(bindir);		\
60	for program in $(ALL_PROGRAMS); do		\
61		install $$program $(DESTDIR)$(bindir);	\
62	done
63
64FORCE:
65
66.PHONY: all install clean FORCE prepare
67