1# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
2# Most of this file is copied from tools/lib/bpf/Makefile
3
4LIBPERF_VERSION = 0
5LIBPERF_PATCHLEVEL = 0
6LIBPERF_EXTRAVERSION = 1
7
8MAKEFLAGS += --no-print-directory
9
10ifeq ($(srctree),)
11srctree := $(patsubst %/,%,$(dir $(CURDIR)))
12srctree := $(patsubst %/,%,$(dir $(srctree)))
13srctree := $(patsubst %/,%,$(dir $(srctree)))
14#$(info Determined 'srctree' to be $(srctree))
15endif
16
17INSTALL = install
18
19# Use DESTDIR for installing into a different root directory.
20# This is useful for building a package. The program will be
21# installed in this directory as if it was the root directory.
22# Then the build tool can move it later.
23DESTDIR ?=
24DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))'
25
26include $(srctree)/tools/scripts/Makefile.include
27include $(srctree)/tools/scripts/Makefile.arch
28
29ifeq ($(LP64), 1)
30  libdir_relative = lib64
31else
32  libdir_relative = lib
33endif
34
35prefix ?=
36libdir = $(prefix)/$(libdir_relative)
37
38# Shell quotes
39libdir_SQ = $(subst ','\'',$(libdir))
40libdir_relative_SQ = $(subst ','\'',$(libdir_relative))
41
42ifeq ("$(origin V)", "command line")
43  VERBOSE = $(V)
44endif
45ifndef VERBOSE
46  VERBOSE = 0
47endif
48
49ifeq ($(VERBOSE),1)
50  Q =
51else
52  Q = @
53endif
54
55TEST_ARGS := $(if $(V),-v)
56
57# Set compile option CFLAGS
58ifdef EXTRA_CFLAGS
59  CFLAGS := $(EXTRA_CFLAGS)
60else
61  CFLAGS := -g -Wall
62endif
63
64INCLUDES = \
65-I$(srctree)/tools/lib/perf/include \
66-I$(srctree)/tools/lib/ \
67-I$(srctree)/tools/include \
68-I$(srctree)/tools/arch/$(SRCARCH)/include/ \
69-I$(srctree)/tools/arch/$(SRCARCH)/include/uapi \
70-I$(srctree)/tools/include/uapi
71
72# Append required CFLAGS
73override CFLAGS += $(EXTRA_WARNINGS)
74override CFLAGS += -Werror -Wall
75override CFLAGS += -fPIC
76override CFLAGS += $(INCLUDES)
77override CFLAGS += -fvisibility=hidden
78
79all:
80
81export srctree OUTPUT CC LD CFLAGS V
82export DESTDIR DESTDIR_SQ
83
84include $(srctree)/tools/build/Makefile.include
85
86VERSION_SCRIPT := libperf.map
87
88PATCHLEVEL    = $(LIBPERF_PATCHLEVEL)
89EXTRAVERSION  = $(LIBPERF_EXTRAVERSION)
90VERSION       = $(LIBPERF_VERSION).$(LIBPERF_PATCHLEVEL).$(LIBPERF_EXTRAVERSION)
91
92LIBPERF_SO := $(OUTPUT)libperf.so.$(VERSION)
93LIBPERF_A  := $(OUTPUT)libperf.a
94LIBPERF_IN := $(OUTPUT)libperf-in.o
95LIBPERF_PC := $(OUTPUT)libperf.pc
96
97LIBPERF_ALL := $(LIBPERF_A) $(OUTPUT)libperf.so*
98
99LIB_DIR := $(srctree)/tools/lib/api/
100
101ifneq ($(OUTPUT),)
102ifneq ($(subdir),)
103  API_PATH=$(OUTPUT)/../lib/api/
104else
105  API_PATH=$(OUTPUT)
106endif
107else
108  API_PATH=$(LIB_DIR)
109endif
110
111LIBAPI = $(API_PATH)libapi.a
112export LIBAPI
113
114$(LIBAPI): FORCE
115	$(Q)$(MAKE) -C $(LIB_DIR) O=$(OUTPUT) $(OUTPUT)libapi.a
116
117$(LIBAPI)-clean:
118	$(call QUIET_CLEAN, libapi)
119	$(Q)$(MAKE) -C $(LIB_DIR) O=$(OUTPUT) clean >/dev/null
120
121$(LIBPERF_IN): FORCE
122	$(Q)$(MAKE) $(build)=libperf
123
124$(LIBPERF_A): $(LIBPERF_IN)
125	$(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(LIBPERF_IN)
126
127$(LIBPERF_SO): $(LIBPERF_IN) $(LIBAPI)
128	$(QUIET_LINK)$(CC) --shared -Wl,-soname,libperf.so \
129                                    -Wl,--version-script=$(VERSION_SCRIPT) $^ -o $@
130	@ln -sf $(@F) $(OUTPUT)libperf.so
131	@ln -sf $(@F) $(OUTPUT)libperf.so.$(LIBPERF_VERSION)
132
133
134libs: $(LIBPERF_A) $(LIBPERF_SO) $(LIBPERF_PC)
135
136all: fixdep
137	$(Q)$(MAKE) libs
138
139clean: $(LIBAPI)-clean
140	$(call QUIET_CLEAN, libperf) $(RM) $(LIBPERF_A) \
141                *.o *~ *.a *.so *.so.$(VERSION) *.so.$(LIBPERF_VERSION) .*.d .*.cmd tests/*.o LIBPERF-CFLAGS $(LIBPERF_PC) \
142                $(TESTS_STATIC) $(TESTS_SHARED)
143
144TESTS_IN = tests-in.o
145
146TESTS_STATIC = $(OUTPUT)tests-static
147TESTS_SHARED = $(OUTPUT)tests-shared
148
149$(TESTS_IN): FORCE
150	$(Q)$(MAKE) $(build)=tests
151
152$(TESTS_STATIC): $(TESTS_IN) $(LIBPERF_A) $(LIBAPI)
153	$(QUIET_LINK)$(CC) -o $@ $^
154
155$(TESTS_SHARED): $(TESTS_IN) $(LIBAPI)
156	$(QUIET_LINK)$(CC) -o $@ -L$(or $(OUTPUT),.) $^ -lperf
157
158make-tests: libs $(TESTS_SHARED) $(TESTS_STATIC)
159
160tests: make-tests
161	@echo "running static:"
162	@./$(TESTS_STATIC) $(TEST_ARGS)
163	@echo "running dynamic:"
164	@LD_LIBRARY_PATH=. ./$(TESTS_SHARED) $(TEST_ARGS)
165
166$(LIBPERF_PC):
167	$(QUIET_GEN)sed -e "s|@PREFIX@|$(prefix)|" \
168		-e "s|@LIBDIR@|$(libdir_SQ)|" \
169		-e "s|@VERSION@|$(VERSION)|" \
170		< libperf.pc.template > $@
171
172define do_install_mkdir
173	if [ ! -d '$(DESTDIR_SQ)$1' ]; then             \
174		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$1'; \
175	fi
176endef
177
178define do_install
179	if [ ! -d '$2' ]; then             \
180		$(INSTALL) -d -m 755 '$2'; \
181	fi;                                \
182	$(INSTALL) $1 $(if $3,-m $3,) '$2'
183endef
184
185install_lib: libs
186	$(call QUIET_INSTALL, $(LIBPERF_ALL)) \
187		$(call do_install_mkdir,$(libdir_SQ)); \
188		cp -fpR $(LIBPERF_ALL) $(DESTDIR)$(libdir_SQ)
189
190HDRS := bpf_perf.h core.h cpumap.h threadmap.h evlist.h evsel.h event.h mmap.h
191INTERNAL_HDRS := cpumap.h evlist.h evsel.h lib.h mmap.h threadmap.h xyarray.h
192
193INSTALL_HDRS_PFX := $(DESTDIR)$(prefix)/include/perf
194INSTALL_HDRS := $(addprefix $(INSTALL_HDRS_PFX)/, $(HDRS))
195INSTALL_INTERNAL_HDRS_PFX := $(DESTDIR)$(prefix)/include/internal
196INSTALL_INTERNAL_HDRS := $(addprefix $(INSTALL_INTERNAL_HDRS_PFX)/, $(INTERNAL_HDRS))
197
198$(INSTALL_HDRS): $(INSTALL_HDRS_PFX)/%.h: include/perf/%.h
199	$(call QUIET_INSTALL, $@) \
200		$(call do_install,$<,$(INSTALL_HDRS_PFX)/,644)
201
202$(INSTALL_INTERNAL_HDRS): $(INSTALL_INTERNAL_HDRS_PFX)/%.h: include/internal/%.h
203	$(call QUIET_INSTALL, $@) \
204		$(call do_install,$<,$(INSTALL_INTERNAL_HDRS_PFX)/,644)
205
206install_headers: $(INSTALL_HDRS) $(INSTALL_INTERNAL_HDRS)
207	$(call QUIET_INSTALL, libperf_headers)
208
209install_pkgconfig: $(LIBPERF_PC)
210	$(call QUIET_INSTALL, $(LIBPERF_PC)) \
211		$(call do_install,$(LIBPERF_PC),$(DESTDIR_SQ)$(libdir_SQ)/pkgconfig,644)
212
213install_doc:
214	$(Q)$(MAKE) -C Documentation install-man install-html install-examples
215
216install: install_lib install_headers install_pkgconfig install_doc
217
218FORCE:
219
220.PHONY: all install clean tests FORCE
221