xref: /openbmc/linux/tools/counter/Makefile (revision c900529f3d9161bfde5cca0754f83b4d3c3e0220)
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 $(srctree)))
9 endif
10 
11 # Do not use make's built-in rules
12 # (this improves performance and avoids hard-to-debug behaviour);
13 MAKEFLAGS += -r
14 
15 override CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include
16 
17 ALL_TARGETS := counter_example
18 ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS))
19 
20 all: $(ALL_PROGRAMS)
21 
22 export srctree OUTPUT CC LD CFLAGS
23 include $(srctree)/tools/build/Makefile.include
24 
25 #
26 # We need the following to be outside of kernel tree
27 #
28 $(OUTPUT)include/linux/counter.h: ../../include/uapi/linux/counter.h
29 	mkdir -p $(OUTPUT)include/linux 2>&1 || true
30 	ln -sf $(CURDIR)/../../include/uapi/linux/counter.h $@
31 
32 prepare: $(OUTPUT)include/linux/counter.h
33 
34 COUNTER_EXAMPLE := $(OUTPUT)counter_example.o
35 $(COUNTER_EXAMPLE): prepare FORCE
36 	$(Q)$(MAKE) $(build)=counter_example
37 $(OUTPUT)counter_example: $(COUNTER_EXAMPLE)
38 	$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
39 
40 clean:
41 	rm -f $(ALL_PROGRAMS)
42 	rm -rf $(OUTPUT)include/linux/counter.h
43 	rm -df $(OUTPUT)include/linux
44 	rm -df $(OUTPUT)include
45 	find $(or $(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete
46 
47 install: $(ALL_PROGRAMS)
48 	install -d -m 755 $(DESTDIR)$(bindir);		\
49 	for program in $(ALL_PROGRAMS); do		\
50 		install $$program $(DESTDIR)$(bindir);	\
51 	done
52 
53 FORCE:
54 
55 .PHONY: all install clean FORCE prepare
56