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