# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)# Most of this file is copied from tools/lib/bpf/Makefile LIBPERF_VERSION = 0LIBPERF_PATCHLEVEL = 0LIBPERF_EXTRAVERSION = 1 MAKEFLAGS += --no-print-directory ifeq ($(srctree),)srctree := $(patsubst %/,%,$(dir $(CURDIR)))srctree := $(patsubst %/,%,$(dir $(srctree)))srctree := $(patsubst %/,%,$(dir $(srctree)))#$(info Determined 'srctree' to be $(srctree))endif INSTALL = install # Use DESTDIR for installing into a different root directory.# This is useful for building a package. The program will be# installed in this directory as if it was the root directory.# Then the build tool can move it later.DESTDIR ?=DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))' include $(srctree)/tools/scripts/Makefile.includeinclude $(srctree)/tools/scripts/Makefile.arch ifeq ($(LP64), 1)  libdir_relative = lib64else  libdir_relative = libendif prefix ?=libdir = $(prefix)/$(libdir_relative) # Shell quoteslibdir_SQ = $(subst ','\'',$(libdir))libdir_relative_SQ = $(subst ','\'',$(libdir_relative)) TEST_ARGS := $(if $(V),-v) INCLUDES = \-I$(srctree)/tools/lib/perf/include \-I$(srctree)/tools/lib/ \-I$(srctree)/tools/include \-I$(srctree)/tools/arch/$(SRCARCH)/include/ \-I$(srctree)/tools/arch/$(SRCARCH)/include/uapi \-I$(srctree)/tools/include/uapi # Append required CFLAGSoverride CFLAGS := $(INCLUDES) $(CFLAGS)override CFLAGS += -g -Werror -Walloverride CFLAGS += -fPICoverride CFLAGS += -fvisibility=hiddenoverride CFLAGS += $(EXTRA_WARNINGS)override CFLAGS += $(EXTRA_CFLAGS) all: export srctree OUTPUT CC LD CFLAGS Vexport DESTDIR DESTDIR_SQ include $(srctree)/tools/build/Makefile.include VERSION_SCRIPT := libperf.map PATCHLEVEL    = $(LIBPERF_PATCHLEVEL)EXTRAVERSION  = $(LIBPERF_EXTRAVERSION)VERSION       = $(LIBPERF_VERSION).$(LIBPERF_PATCHLEVEL).$(LIBPERF_EXTRAVERSION) LIBPERF_SO := $(OUTPUT)libperf.so.$(VERSION)LIBPERF_A  := $(OUTPUT)libperf.aLIBPERF_IN := $(OUTPUT)libperf-in.oLIBPERF_PC := $(OUTPUT)libperf.pc LIBPERF_ALL := $(LIBPERF_A) $(OUTPUT)libperf.so* LIB_DIR := $(srctree)/tools/lib/api/ ifneq ($(OUTPUT),)ifneq ($(subdir),)  API_PATH=$(OUTPUT)/../lib/api/else  API_PATH=$(OUTPUT)endifelse  API_PATH=$(LIB_DIR)endif LIBAPI = $(API_PATH)libapi.aexport LIBAPI $(LIBAPI): FORCE	$(Q)$(MAKE) -C $(LIB_DIR) O=$(OUTPUT) $(OUTPUT)libapi.a $(LIBAPI)-clean:	$(call QUIET_CLEAN, libapi)	$(Q)$(MAKE) -C $(LIB_DIR) O=$(OUTPUT) clean >/dev/null $(LIBPERF_IN): FORCE	$(Q)$(MAKE) $(build)=libperf $(LIBPERF_A): $(LIBPERF_IN)	$(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(LIBPERF_IN) $(LIBPERF_SO): $(LIBPERF_IN) $(LIBAPI)	$(QUIET_LINK)$(CC) --shared -Wl,-soname,libperf.so \                                    -Wl,--version-script=$(VERSION_SCRIPT) $^ -o $@	@ln -sf $(@F) $(OUTPUT)libperf.so	@ln -sf $(@F) $(OUTPUT)libperf.so.$(LIBPERF_VERSION)  libs: $(LIBPERF_A) $(LIBPERF_SO) $(LIBPERF_PC) all: fixdep	$(Q)$(MAKE) libs clean: $(LIBAPI)-clean	$(call QUIET_CLEAN, libperf) $(RM) $(LIBPERF_A) \                *.o *~ *.a *.so *.so.$(VERSION) *.so.$(LIBPERF_VERSION) .*.d .*.cmd tests/*.o LIBPERF-CFLAGS $(LIBPERF_PC) \                $(TESTS_STATIC) $(TESTS_SHARED) TESTS_IN = tests-in.o TESTS_STATIC = $(OUTPUT)tests-staticTESTS_SHARED = $(OUTPUT)tests-shared $(TESTS_IN): FORCE	$(Q)$(MAKE) $(build)=tests $(TESTS_STATIC): $(TESTS_IN) $(LIBPERF_A) $(LIBAPI)	$(QUIET_LINK)$(CC) -o $@ $^ $(TESTS_SHARED): $(TESTS_IN) $(LIBAPI)	$(QUIET_LINK)$(CC) -o $@ -L$(or $(OUTPUT),.) $^ -lperf make-tests: libs $(TESTS_SHARED) $(TESTS_STATIC) tests: make-tests	@echo "running static:"	@./$(TESTS_STATIC) $(TEST_ARGS)	@echo "running dynamic:"	@LD_LIBRARY_PATH=. ./$(TESTS_SHARED) $(TEST_ARGS) $(LIBPERF_PC):	$(QUIET_GEN)sed -e "s|@PREFIX@|$(prefix)|" \		-e "s|@LIBDIR@|$(libdir_SQ)|" \		-e "s|@VERSION@|$(VERSION)|" \		< libperf.pc.template > $@ define do_install_mkdir	if [ ! -d '$(DESTDIR_SQ)$1' ]; then             \		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$1'; \	fiendef define do_install	if [ ! -d '$2' ]; then             \		$(INSTALL) -d -m 755 '$2'; \	fi;                                \	$(INSTALL) $1 $(if $3,-m $3,) '$2'endef install_lib: libs	$(call QUIET_INSTALL, $(LIBPERF_ALL)) \		$(call do_install_mkdir,$(libdir_SQ)); \		cp -fpR $(LIBPERF_ALL) $(DESTDIR)$(libdir_SQ) HDRS := bpf_perf.h core.h cpumap.h threadmap.h evlist.h evsel.h event.h mmap.hHDRS += schedstat-v15.h schedstat-v16.h schedstat-v17.hINTERNAL_HDRS := cpumap.h evlist.h evsel.h lib.h mmap.h rc_check.h threadmap.h xyarray.h INSTALL_HDRS_PFX := $(DESTDIR)$(prefix)/include/perfINSTALL_HDRS := $(addprefix $(INSTALL_HDRS_PFX)/, $(HDRS))INSTALL_INTERNAL_HDRS_PFX := $(DESTDIR)$(prefix)/include/internalINSTALL_INTERNAL_HDRS := $(addprefix $(INSTALL_INTERNAL_HDRS_PFX)/, $(INTERNAL_HDRS)) $(INSTALL_HDRS): $(INSTALL_HDRS_PFX)/%.h: include/perf/%.h	$(call QUIET_INSTALL, $@) \		$(call do_install,$<,$(INSTALL_HDRS_PFX)/,644) $(INSTALL_INTERNAL_HDRS): $(INSTALL_INTERNAL_HDRS_PFX)/%.h: include/internal/%.h	$(call QUIET_INSTALL, $@) \		$(call do_install,$<,$(INSTALL_INTERNAL_HDRS_PFX)/,644) install_headers: $(INSTALL_HDRS) $(INSTALL_INTERNAL_HDRS)	$(call QUIET_INSTALL, libperf_headers) install_pkgconfig: $(LIBPERF_PC)	$(call QUIET_INSTALL, $(LIBPERF_PC)) \		$(call do_install,$(LIBPERF_PC),$(DESTDIR_SQ)$(libdir_SQ)/pkgconfig,644) install_doc:	$(Q)$(MAKE) -C Documentation install-man install-html install-examples install: install_lib install_headers install_pkgconfig install_doc FORCE: .PHONY: all install clean tests FORCE