1# SPDX-License-Identifier: GPL-2.0
2include ../scripts/Makefile.include
3
4bindir ?= /usr/bin
5
6ifeq ($(srctree),)
7srctree := $(patsubst %/,%,$(dir $(CURDIR)))
8srctree := $(patsubst %/,%,$(dir $(srctree)))
9endif
10
11# Do not use make's built-in rules
12# (this improves performance and avoids hard-to-debug behaviour);
13MAKEFLAGS += -r
14
15override CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include
16
17ALL_TARGETS := iio_event_monitor lsiio iio_generic_buffer
18ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS))
19
20all: $(ALL_PROGRAMS)
21
22export srctree OUTPUT CC LD CFLAGS
23include $(srctree)/tools/build/Makefile.include
24
25#
26# We need the following to be outside of kernel tree
27#
28$(OUTPUT)include/linux/iio: ../../include/uapi/linux/iio
29	mkdir -p $(OUTPUT)include/linux/iio 2>&1 || true
30	ln -sf $(CURDIR)/../../include/uapi/linux/iio/buffer.h $@
31	ln -sf $(CURDIR)/../../include/uapi/linux/iio/events.h $@
32	ln -sf $(CURDIR)/../../include/uapi/linux/iio/types.h $@
33
34prepare: $(OUTPUT)include/linux/iio
35
36IIO_UTILS_IN := $(OUTPUT)iio_utils-in.o
37$(IIO_UTILS_IN): prepare FORCE
38	$(Q)$(MAKE) $(build)=iio_utils
39
40LSIIO_IN := $(OUTPUT)lsiio-in.o
41$(LSIIO_IN): prepare FORCE $(OUTPUT)iio_utils-in.o
42	$(Q)$(MAKE) $(build)=lsiio
43$(OUTPUT)lsiio: $(LSIIO_IN)
44	$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
45
46IIO_EVENT_MONITOR_IN := $(OUTPUT)iio_event_monitor-in.o
47$(IIO_EVENT_MONITOR_IN): prepare FORCE $(OUTPUT)iio_utils-in.o
48	$(Q)$(MAKE) $(build)=iio_event_monitor
49$(OUTPUT)iio_event_monitor: $(IIO_EVENT_MONITOR_IN)
50	$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
51
52IIO_GENERIC_BUFFER_IN := $(OUTPUT)iio_generic_buffer-in.o
53$(IIO_GENERIC_BUFFER_IN): prepare FORCE $(OUTPUT)iio_utils-in.o
54	$(Q)$(MAKE) $(build)=iio_generic_buffer
55$(OUTPUT)iio_generic_buffer: $(IIO_GENERIC_BUFFER_IN)
56	$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
57
58clean:
59	rm -f $(ALL_PROGRAMS)
60	rm -rf $(OUTPUT)include/linux/iio
61	find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete
62
63install: $(ALL_PROGRAMS)
64	install -d -m 755 $(DESTDIR)$(bindir);		\
65	for program in $(ALL_PROGRAMS); do		\
66		install $$program $(DESTDIR)$(bindir);	\
67	done
68
69FORCE:
70
71.PHONY: all install clean FORCE prepare
72