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)))
9srctree := $(patsubst %/,%,$(dir $(srctree)))
10srctree := $(patsubst %/,%,$(dir $(srctree)))
11endif
12
13# Do not use make's built-in rules
14# (this improves performance and avoids hard-to-debug behaviour);
15MAKEFLAGS += -r
16
17override CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include
18
19ALL_TARGETS := intel-speed-select
20ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS))
21
22all: $(ALL_PROGRAMS)
23
24export srctree OUTPUT CC LD CFLAGS
25include $(srctree)/tools/build/Makefile.include
26
27#
28# We need the following to be outside of kernel tree
29#
30$(OUTPUT)include/linux/isst_if.h: ../../../../include/uapi/linux/isst_if.h
31	mkdir -p $(OUTPUT)include/linux 2>&1 || true
32	ln -sf $(CURDIR)/../../../../include/uapi/linux/isst_if.h $@
33
34prepare: $(OUTPUT)include/linux/isst_if.h
35
36ISST_IN := $(OUTPUT)intel-speed-select-in.o
37
38$(ISST_IN): prepare FORCE
39	$(Q)$(MAKE) $(build)=intel-speed-select
40$(OUTPUT)intel-speed-select: $(ISST_IN)
41	$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
42
43clean:
44	rm -f $(ALL_PROGRAMS)
45	rm -rf $(OUTPUT)include/linux/isst_if.h
46	find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete
47
48install: $(ALL_PROGRAMS)
49	install -d -m 755 $(DESTDIR)$(bindir);		\
50	for program in $(ALL_PROGRAMS); do		\
51		install $$program $(DESTDIR)$(bindir);	\
52	done
53
54FORCE:
55
56.PHONY: all install clean FORCE prepare
57