1# SPDX-License-Identifier: GPL-2.0-only
 2
 3ifeq ($(srctree),)
 4  srctree	:= $(patsubst %/,%,$(dir $(CURDIR)))
 5  srctree	:= $(patsubst %/,%,$(dir $(srctree)))
 6  srctree	:= $(patsubst %/,%,$(dir $(srctree)))
 7endif
 8
 9include $(srctree)/tools/scripts/Makefile.include
10
11# O is an alias for OUTPUT
12OUTPUT		:= $(O)
13
14ifeq ($(OUTPUT),)
15  OUTPUT	:= $(CURDIR)
16else
17  # subdir is used by the ../Makefile in $(call descend,)
18  ifneq ($(subdir),)
19    OUTPUT	:= $(OUTPUT)/$(subdir)
20  endif
21endif
22
23ifneq ($(patsubst %/,,$(lastword $(OUTPUT))),)
24  OUTPUT	:= $(OUTPUT)/
25endif
26
27LATENCY-COLLECTOR	:= $(OUTPUT)latency-collector
28LATENCY-COLLECTOR_IN	:= $(LATENCY-COLLECTOR)-in.o
29
30export CC	:= gcc
31export LD	:= ld
32export AR	:= ar
33export PKG_CONFIG := pkg-config
34
35FEATURE_TESTS	:= libtraceevent
36FEATURE_TESTS	+= libtracefs
37FEATURE_DISPLAY	:= libtraceevent
38FEATURE_DISPLAY	+= libtracefs
39
40ifeq ($(V),1)
41  Q 		=
42else
43  Q 		= @
44endif
45
46all: $(LATENCY-COLLECTOR)
47
48include $(srctree)/tools/build/Makefile.include
49
50# check for dependencies only on required targets
51NON_CONFIG_TARGETS := clean install
52
53config		:= 1
54ifdef MAKECMDGOALS
55ifeq ($(filter-out $(NON_CONFIG_TARGETS),$(MAKECMDGOALS)),)
56 config		:= 0
57endif
58endif
59
60ifeq ($(config),1)
61  include $(srctree)/tools/build/Makefile.feature
62  include Makefile.config
63endif
64
65CFLAGS		+= $(INCLUDES) $(LIB_INCLUDES)
66
67export CFLAGS OUTPUT srctree
68
69$(LATENCY-COLLECTOR): $(LATENCY-COLLECTOR_IN)
70	$(QUIET_LINK)$(CC) $(LDFLAGS) -o $(LATENCY-COLLECTOR) $(LATENCY-COLLECTOR_IN) $(EXTLIBS)
71
72latency-collector.%: fixdep FORCE
73	make -f $(srctree)/tools/build/Makefile.build dir=. $@
74
75$(LATENCY-COLLECTOR_IN): fixdep FORCE
76	make $(build)=latency-collector
77
78INSTALL		:= install
79MKDIR		:= mkdir
80STRIP		:= strip
81BINDIR		:= /usr/bin
82
83install:
84	@$(MKDIR) -p $(DESTDIR)$(BINDIR)
85	$(call QUIET_INSTALL,latency-collector)$(INSTALL) $(LATENCY-COLLECTOR) -m 755 $(DESTDIR)$(BINDIR)
86	@$(STRIP) $(DESTDIR)$(BINDIR)/latency-collector
87
88clean:
89	$(call QUIET_CLEAN, latency-collector)
90	$(Q)find . -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
91	$(Q)@rm -f latency-collector fixdep FEATURE-DUMP
92	$(Q)rm -rf feature
93.PHONY: FORCE clean install