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