# 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)) ifeq ("$(origin V)", "command line")  VERBOSE = $(V)endififndef VERBOSE  VERBOSE = 0endif ifeq ($(VERBOSE),1)  Q =else  Q = @endif # Set compile option CFLAGSifdef EXTRA_CFLAGS  CFLAGS := $(EXTRA_CFLAGS)else  CFLAGS := -g -Wallendif INCLUDES = \-I$(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 += $(EXTRA_WARNINGS)override CFLAGS += -Werror -Walloverride CFLAGS += -fPICoverride CFLAGS += $(INCLUDES)override CFLAGS += -fvisibility=hidden 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 LIBPERF-CFLAGS $(LIBPERF_PC)	$(Q)$(MAKE) -C tests clean tests: libs	$(Q)$(MAKE) -C tests	$(Q)$(MAKE) -C tests run $(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)$1'; \	fiendef define do_install	if [ ! -d '$(DESTDIR_SQ)$2' ]; then             \		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2'; \	fi;                                             \	$(INSTALL) $1 $(if $3,-m $3,) '$(DESTDIR_SQ)$2'endef install_lib: libs	$(call QUIET_INSTALL, $(LIBPERF_ALL)) \		$(call do_install_mkdir,$(libdir_SQ)); \		cp -fpR $(LIBPERF_ALL) $(DESTDIR)$(libdir_SQ) install_headers:	$(call QUIET_INSTALL, headers) \		$(call do_install,include/perf/core.h,$(prefix)/include/perf,644); \		$(call do_install,include/perf/cpumap.h,$(prefix)/include/perf,644); \		$(call do_install,include/perf/threadmap.h,$(prefix)/include/perf,644); \		$(call do_install,include/perf/evlist.h,$(prefix)/include/perf,644); \		$(call do_install,include/perf/evsel.h,$(prefix)/include/perf,644); \		$(call do_install,include/perf/event.h,$(prefix)/include/perf,644); \		$(call do_install,include/perf/mmap.h,$(prefix)/include/perf,644); install_pkgconfig: $(LIBPERF_PC)	$(call QUIET_INSTALL, $(LIBPERF_PC)) \		$(call do_install,$(LIBPERF_PC),$(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