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# SPDX-License-Identifier: GPL-2.0# trace-cmd versionEP_VERSION = 1EP_PATCHLEVEL = 1EP_EXTRAVERSION = 0 # file format versionFILE_VERSION = 6 MAKEFLAGS += --no-print-directory  # Makefiles suck: This macro sets a default value of $(2) for the# variable named by $(1), unless the variable has been set by# environment or command line. This is necessary for CC and AR# because make sets default values, so the simpler ?= approach# won't work as expected.define allow-override  $(if $(or $(findstring environment,$(origin $(1))),\            $(findstring command line,$(origin $(1)))),,\    $(eval $(1) = $(2)))endef # Allow setting CC and AR, or setting CROSS_COMPILE as a prefix.$(call allow-override,CC,$(CROSS_COMPILE)gcc)$(call allow-override,AR,$(CROSS_COMPILE)ar)$(call allow-override,NM,$(CROSS_COMPILE)nm)$(call allow-override,PKG_CONFIG,pkg-config) EXT = -std=gnu99INSTALL = 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))' LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1)ifeq ($(LP64), 1)  libdir_relative_temp = lib64else  libdir_relative_temp = libendif libdir_relative ?= $(libdir_relative_temp)prefix ?= /usr/locallibdir = $(prefix)/$(libdir_relative)man_dir = $(prefix)/share/manman_dir_SQ = '$(subst ','\'',$(man_dir))'pkgconfig_dir ?= $(word 1,$(shell $(PKG_CONFIG) 		\			--variable pc_path pkg-config | tr ":" " "))includedir_relative = traceeventincludedir = $(prefix)/include/$(includedir_relative)includedir_SQ = '$(subst ','\'',$(includedir))' export man_dir man_dir_SQ INSTALLexport DESTDIR DESTDIR_SQexport EVENT_PARSE_VERSION include ../../scripts/Makefile.include # copy a bit from Linux kbuild ifeq ("$(origin V)", "command line")  VERBOSE = $(V)endififndef VERBOSE  VERBOSE = 0endif ifeq ($(srctree),)srctree := $(patsubst %/,%,$(dir $(CURDIR)))srctree := $(patsubst %/,%,$(dir $(srctree)))srctree := $(patsubst %/,%,$(dir $(srctree)))#$(info Determined 'srctree' to be $(srctree))endif export prefix libdir src obj # Shell quoteslibdir_SQ = $(subst ','\'',$(libdir))libdir_relative_SQ = $(subst ','\'',$(libdir_relative)) CONFIG_INCLUDES = CONFIG_LIBS	=CONFIG_FLAGS	= VERSION		= $(EP_VERSION)PATCHLEVEL	= $(EP_PATCHLEVEL)EXTRAVERSION	= $(EP_EXTRAVERSION) OBJ		= $@N		= EVENT_PARSE_VERSION = $(EP_VERSION).$(EP_PATCHLEVEL).$(EP_EXTRAVERSION) LIB_TARGET  = libtraceevent.a libtraceevent.so.$(EVENT_PARSE_VERSION)LIB_INSTALL = libtraceevent.a libtraceevent.so*LIB_INSTALL := $(addprefix $(OUTPUT),$(LIB_INSTALL)) INCLUDES = -I. -I $(srctree)/tools/include $(CONFIG_INCLUDES) # Set compile option CFLAGSifdef EXTRA_CFLAGS  CFLAGS := $(EXTRA_CFLAGS)else  CFLAGS := -g -Wallendif # Append required CFLAGSoverride CFLAGS += -fPICoverride CFLAGS += $(CONFIG_FLAGS) $(INCLUDES) $(PLUGIN_DIR_SQ)override CFLAGS += $(udis86-flags) -D_GNU_SOURCE ifeq ($(VERBOSE),1)  Q =else  Q = @endif # Disable command line variables (CFLAGS) override from top# level Makefile (perf), otherwise build Makefile will get# the same command line setup.MAKEOVERRIDES= export srctree OUTPUT CC LD CFLAGS Vbuild := -f $(srctree)/tools/build/Makefile.build dir=. obj TE_IN      := $(OUTPUT)libtraceevent-in.oLIB_TARGET := $(addprefix $(OUTPUT),$(LIB_TARGET)) CMD_TARGETS = $(LIB_TARGET) TARGETS = $(CMD_TARGETS) all: all_cmd plugins all_cmd: $(CMD_TARGETS) $(TE_IN): force	$(Q)$(MAKE) $(build)=libtraceevent $(OUTPUT)libtraceevent.so.$(EVENT_PARSE_VERSION): $(TE_IN)	$(QUIET_LINK)$(CC) --shared $(LDFLAGS) $^ -Wl,-soname,libtraceevent.so.$(EP_VERSION) -o $@	@ln -sf $(@F) $(OUTPUT)libtraceevent.so	@ln -sf $(@F) $(OUTPUT)libtraceevent.so.$(EP_VERSION) $(OUTPUT)libtraceevent.a: $(TE_IN)	$(QUIET_LINK)$(RM) $@; $(AR) rcs $@ $^ $(OUTPUT)%.so: $(OUTPUT)%-in.o	$(QUIET_LINK)$(CC) $(CFLAGS) -shared $(LDFLAGS) -nostartfiles -o $@ $^ define make_version.h  (echo '/* This file is automatically generated. Do not modify. */';		\   echo \#define VERSION_CODE $(shell						\   expr $(VERSION) \* 256 + $(PATCHLEVEL));					\   echo '#define EXTRAVERSION ' $(EXTRAVERSION);				\   echo '#define VERSION_STRING "'$(VERSION).$(PATCHLEVEL).$(EXTRAVERSION)'"';	\   echo '#define FILE_VERSION '$(FILE_VERSION);					\  ) > $1endef define update_version.h  ($(call make_version.h, $@.tmp);		\    if [ -r $@ ] && cmp -s $@ $@.tmp; then	\      rm -f $@.tmp;				\    else					\      echo '  UPDATE                 $@';	\      mv -f $@.tmp $@;				\    fi);endef ep_version.h: force	$(Q)$(N)$(call update_version.h) VERSION_FILES = ep_version.h define update_dir  (echo $1 > $@.tmp;				\   if [ -r $@ ] && cmp -s $@ $@.tmp; then	\     rm -f $@.tmp;				\   else						\     echo '  UPDATE                 $@';	\     mv -f $@.tmp $@;				\   fi);endef tags:	force	$(RM) tags	find . -name '*.[ch]' | xargs ctags --extra=+f --c-kinds=+px \	--regex-c++='/_PE\(([^,)]*).*/TEP_ERRNO__\1/' TAGS:	force	$(RM) TAGS	find . -name '*.[ch]' | xargs etags \	--regex='/_PE(\([^,)]*\).*/TEP_ERRNO__\1/' define do_install_mkdir	if [ ! -d '$(DESTDIR_SQ)$1' ]; then		\		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$1';	\	fiendef define do_install	$(call do_install_mkdir,$2);			\	$(INSTALL) $(if $3,-m $3,) $1 '$(DESTDIR_SQ)$2'endef PKG_CONFIG_SOURCE_FILE = libtraceevent.pcPKG_CONFIG_FILE := $(addprefix $(OUTPUT),$(PKG_CONFIG_SOURCE_FILE))define do_install_pkgconfig_file	if [ -n "${pkgconfig_dir}" ]; then 					\		cp -f ${PKG_CONFIG_SOURCE_FILE}.template ${PKG_CONFIG_FILE};	\		sed -i "s|INSTALL_PREFIX|${1}|g" ${PKG_CONFIG_FILE}; 		\		sed -i "s|LIB_VERSION|${EVENT_PARSE_VERSION}|g" ${PKG_CONFIG_FILE}; \		sed -i "s|LIB_DIR|${libdir}|g" ${PKG_CONFIG_FILE}; \		sed -i "s|HEADER_DIR|$(includedir)|g" ${PKG_CONFIG_FILE}; \		$(call do_install,$(PKG_CONFIG_FILE),$(pkgconfig_dir),644); 	\	else 									\		(echo Failed to locate pkg-config directory) 1>&2;		\	fiendef install_lib: all_cmd install_plugins install_headers install_pkgconfig	$(call QUIET_INSTALL, $(LIB_TARGET)) \		$(call do_install_mkdir,$(libdir_SQ)); \		cp -fpR $(LIB_INSTALL) $(DESTDIR)$(libdir_SQ) install_pkgconfig:	$(call QUIET_INSTALL, $(PKG_CONFIG_FILE)) \		$(call do_install_pkgconfig_file,$(prefix)) install_headers:	$(call QUIET_INSTALL, headers) \		$(call do_install,event-parse.h,$(includedir_SQ),644); \		$(call do_install,event-utils.h,$(includedir_SQ),644); \		$(call do_install,trace-seq.h,$(includedir_SQ),644); \		$(call do_install,kbuffer.h,$(includedir_SQ),644) install: install_lib clean: clean_plugins	$(call QUIET_CLEAN, libtraceevent) \		$(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d .*.cmd; \		$(RM) TRACEEVENT-CFLAGS tags TAGS; \		$(RM) $(PKG_CONFIG_FILE) PHONY += docdoc:	$(call descend,Documentation) PHONY += doc-cleandoc-clean:	$(call descend,Documentation,clean) PHONY += doc-installdoc-install:	$(call descend,Documentation,install) PHONY += doc-uninstalldoc-uninstall:	$(call descend,Documentation,uninstall) PHONY += helphelp:	@echo 'Possible targets:'	@echo''	@echo '  all                 - default, compile the library and the'\				      'plugins'	@echo '  plugins             - compile the plugins'	@echo '  install             - install the library, the plugins,'\					'the header and pkgconfig files'	@echo '  clean               - clean the library and the plugins object files'	@echo '  doc                 - compile the documentation files - man'\					'and html pages, in the Documentation directory'	@echo '  doc-clean           - clean the documentation files'	@echo '  doc-install         - install the man pages'	@echo '  doc-uninstall       - uninstall the man pages'	@echo'' PHONY += pluginsplugins:	$(call descend,plugins) PHONY += install_pluginsinstall_plugins:	$(call descend,plugins,install) PHONY += clean_pluginsclean_plugins:	$(call descend,plugins,clean) force: # Declare the contents of the .PHONY variable as phony.  We keep that# information in a variable so we can use it in if_changed and friends..PHONY: $(PHONY)