Makefile

  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
 42TEST_ARGS := $(if $(V),-v)
 43
 44INCLUDES = \
 45-I$(OUTPUT)arch/$(SRCARCH)/include/generated/uapi \
 46-I$(srctree)/tools/lib/perf/include \
 47-I$(srctree)/tools/lib/ \
 48-I$(srctree)/tools/include \
 49-I$(srctree)/tools/arch/$(SRCARCH)/include/ \
 50-I$(srctree)/tools/arch/$(SRCARCH)/include/uapi \
 51-I$(srctree)/tools/include/uapi
 52
 53# Append required CFLAGS
 54override CFLAGS := $(INCLUDES) $(CFLAGS)
 55override CFLAGS += -g -Werror -Wall
 56override CFLAGS += -fPIC
 57override CFLAGS += -fvisibility=hidden
 58override CFLAGS += $(EXTRA_WARNINGS)
 59override CFLAGS += $(EXTRA_CFLAGS)
 60
 61all:
 62
 63export srctree OUTPUT CC LD CFLAGS V
 64export DESTDIR DESTDIR_SQ
 65
 66include $(srctree)/tools/build/Makefile.include
 67
 68VERSION_SCRIPT := libperf.map
 69
 70PATCHLEVEL    = $(LIBPERF_PATCHLEVEL)
 71EXTRAVERSION  = $(LIBPERF_EXTRAVERSION)
 72VERSION       = $(LIBPERF_VERSION).$(LIBPERF_PATCHLEVEL).$(LIBPERF_EXTRAVERSION)
 73
 74LIBPERF_SO := $(OUTPUT)libperf.so.$(VERSION)
 75LIBPERF_A  := $(OUTPUT)libperf.a
 76LIBPERF_IN := $(OUTPUT)libperf-in.o
 77LIBPERF_PC := $(OUTPUT)libperf.pc
 78
 79LIBPERF_ALL := $(LIBPERF_A) $(OUTPUT)libperf.so*
 80
 81LIB_DIR := $(srctree)/tools/lib/api/
 82
 83ifneq ($(OUTPUT),)
 84ifneq ($(subdir),)
 85  API_PATH=$(OUTPUT)/../lib/api/
 86else
 87  API_PATH=$(OUTPUT)
 88endif
 89else
 90  API_PATH=$(LIB_DIR)
 91endif
 92
 93LIBAPI = $(API_PATH)libapi.a
 94export LIBAPI
 95
 96$(LIBAPI): FORCE
 97	$(Q)$(MAKE) -C $(LIB_DIR) O=$(OUTPUT) $(OUTPUT)libapi.a
 98
 99$(LIBAPI)-clean:
100	$(call QUIET_CLEAN, libapi)
101	$(Q)$(MAKE) -C $(LIB_DIR) O=$(OUTPUT) clean >/dev/null
102
103uapi-asm := $(OUTPUT)arch/$(SRCARCH)/include/generated/uapi/asm
104ifeq ($(SRCARCH),arm64)
105	syscall-y := $(uapi-asm)/unistd_64.h
106endif
107uapi-asm-generic:
108	$(if $(syscall-y),\
109		$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-headers obj=$(uapi-asm) \
110		generic=include/uapi/asm-generic $(syscall-y),)
111
112$(LIBPERF_IN): uapi-asm-generic FORCE
113	$(Q)$(MAKE) $(build)=libperf
114
115$(LIBPERF_A): $(LIBPERF_IN)
116	$(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(LIBPERF_IN)
117
118$(LIBPERF_SO): $(LIBPERF_IN) $(LIBAPI)
119	$(QUIET_LINK)$(CC) --shared -Wl,-soname,libperf.so \
120                                    -Wl,--version-script=$(VERSION_SCRIPT) $^ -o $@
121	@ln -sf $(@F) $(OUTPUT)libperf.so
122	@ln -sf $(@F) $(OUTPUT)libperf.so.$(LIBPERF_VERSION)
123
124
125libs: $(LIBPERF_A) $(LIBPERF_SO) $(LIBPERF_PC)
126
127all: fixdep
128	$(Q)$(MAKE) libs
129
130clean: $(LIBAPI)-clean
131	$(call QUIET_CLEAN, libperf) $(RM) $(LIBPERF_A) \
132                *.o *~ *.a *.so *.so.$(VERSION) *.so.$(LIBPERF_VERSION) .*.d .*.cmd tests/*.o LIBPERF-CFLAGS $(LIBPERF_PC) \
133                $(TESTS_STATIC) $(TESTS_SHARED) $(syscall-y)
134
135TESTS_IN = tests-in.o
136
137TESTS_STATIC = $(OUTPUT)tests-static
138TESTS_SHARED = $(OUTPUT)tests-shared
139
140$(TESTS_IN): FORCE
141	$(Q)$(MAKE) $(build)=tests
142
143$(TESTS_STATIC): $(TESTS_IN) $(LIBPERF_A) $(LIBAPI)
144	$(QUIET_LINK)$(CC) -o $@ $^
145
146$(TESTS_SHARED): $(TESTS_IN) $(LIBAPI)
147	$(QUIET_LINK)$(CC) -o $@ -L$(or $(OUTPUT),.) $^ -lperf
148
149make-tests: libs $(TESTS_SHARED) $(TESTS_STATIC)
150
151tests: make-tests
152	@echo "running static:"
153	@./$(TESTS_STATIC) $(TEST_ARGS)
154	@echo "running dynamic:"
155	@LD_LIBRARY_PATH=. ./$(TESTS_SHARED) $(TEST_ARGS)
156
157$(LIBPERF_PC):
158	$(QUIET_GEN)sed -e "s|@PREFIX@|$(prefix)|" \
159		-e "s|@LIBDIR@|$(libdir_SQ)|" \
160		-e "s|@VERSION@|$(VERSION)|" \
161		< libperf.pc.template > $@
162
163define do_install_mkdir
164	if [ ! -d '$(DESTDIR_SQ)$1' ]; then             \
165		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$1'; \
166	fi
167endef
168
169define do_install
170	if [ ! -d '$2' ]; then             \
171		$(INSTALL) -d -m 755 '$2'; \
172	fi;                                \
173	$(INSTALL) $1 $(if $3,-m $3,) '$2'
174endef
175
176install_lib: libs
177	$(call QUIET_INSTALL, $(LIBPERF_ALL)) \
178		$(call do_install_mkdir,$(libdir_SQ)); \
179		cp -fpR $(LIBPERF_ALL) $(DESTDIR)$(libdir_SQ)
180
181HDRS := bpf_perf.h core.h cpumap.h threadmap.h evlist.h evsel.h event.h mmap.h
182INTERNAL_HDRS := cpumap.h evlist.h evsel.h lib.h mmap.h rc_check.h threadmap.h xyarray.h
183
184INSTALL_HDRS_PFX := $(DESTDIR)$(prefix)/include/perf
185INSTALL_HDRS := $(addprefix $(INSTALL_HDRS_PFX)/, $(HDRS))
186INSTALL_INTERNAL_HDRS_PFX := $(DESTDIR)$(prefix)/include/internal
187INSTALL_INTERNAL_HDRS := $(addprefix $(INSTALL_INTERNAL_HDRS_PFX)/, $(INTERNAL_HDRS))
188
189$(INSTALL_HDRS): $(INSTALL_HDRS_PFX)/%.h: include/perf/%.h
190	$(call QUIET_INSTALL, $@) \
191		$(call do_install,$<,$(INSTALL_HDRS_PFX)/,644)
192
193$(INSTALL_INTERNAL_HDRS): $(INSTALL_INTERNAL_HDRS_PFX)/%.h: include/internal/%.h
194	$(call QUIET_INSTALL, $@) \
195		$(call do_install,$<,$(INSTALL_INTERNAL_HDRS_PFX)/,644)
196
197install_headers: $(INSTALL_HDRS) $(INSTALL_INTERNAL_HDRS)
198	$(call QUIET_INSTALL, libperf_headers)
199
200install_pkgconfig: $(LIBPERF_PC)
201	$(call QUIET_INSTALL, $(LIBPERF_PC)) \
202		$(call do_install,$(LIBPERF_PC),$(DESTDIR_SQ)$(libdir_SQ)/pkgconfig,644)
203
204install_doc:
205	$(Q)$(MAKE) -C Documentation install-man install-html install-examples
206
207install: install_lib install_headers install_pkgconfig install_doc
208
209FORCE:
210
211.PHONY: all install clean tests FORCE