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include ../scripts/Makefile.include

# The default target of this Makefile is...
all:

include config/utilities.mak

# Define V to have a more verbose compile.
#
# Define VF to have a more verbose feature check output.
#
# Define O to save output files in a separate directory.
#
# Define ARCH as name of target architecture if you want cross-builds.
#
# Define CROSS_COMPILE as prefix name of compiler if you want cross-builds.
#
# Define NO_LIBPERL to disable perl script extension.
#
# Define NO_LIBPYTHON to disable python script extension.
#
# Define PYTHON to point to the python binary if the default
# `python' is not correct; for example: PYTHON=python2
#
# Define PYTHON_CONFIG to point to the python-config binary if
# the default `$(PYTHON)-config' is not correct.
#
# Define ASCIIDOC8 if you want to format documentation with AsciiDoc 8
#
# Define DOCBOOK_XSL_172 if you want to format man pages with DocBook XSL v1.72.
#
# Define LDFLAGS=-static to build a static binary.
#
# Define EXTRA_CFLAGS=-m64 or EXTRA_CFLAGS=-m32 as appropriate for cross-builds.
#
# Define NO_DWARF if you do not want debug-info analysis feature at all.
#
# Define WERROR=0 to disable treating any warnings as errors.
#
# Define NO_NEWT if you do not want TUI support. (deprecated)
#
# Define NO_SLANG if you do not want TUI support.
#
# Define NO_GTK2 if you do not want GTK+ GUI support.
#
# Define NO_DEMANGLE if you do not want C++ symbol demangling.
#
# Define NO_LIBELF if you do not want libelf dependency (e.g. cross-builds)
#
# Define NO_LIBUNWIND if you do not want libunwind dependency for dwarf
# backtrace post unwind.
#
# Define NO_BACKTRACE if you do not want stack backtrace debug feature
#
# Define NO_LIBNUMA if you do not want numa perf benchmark
#
# Define NO_LIBAUDIT if you do not want libaudit support
#
# Define NO_LIBBIONIC if you do not want bionic support
#
# Define NO_LIBDW_DWARF_UNWIND if you do not want libdw support
# for dwarf backtrace post unwind.
#
# Define NO_PERF_READ_VDSO32 if you do not want to build perf-read-vdso32
# for reading the 32-bit compatibility VDSO in 64-bit mode
#
# Define NO_PERF_READ_VDSOX32 if you do not want to build perf-read-vdsox32
# for reading the x32 mode 32-bit compatibility VDSO in 64-bit mode
#
# Define NO_ZLIB if you do not want to support compressed kernel modules


ifeq ($(srctree),)
srctree := $(patsubst %/,%,$(dir $(shell pwd)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
#$(info Determined 'srctree' to be $(srctree))
endif

ifneq ($(objtree),)
#$(info Determined 'objtree' to be $(objtree))
endif

ifneq ($(OUTPUT),)
#$(info Determined 'OUTPUT' to be $(OUTPUT))
# Adding $(OUTPUT) as a directory to look for source files,
# because use generated output files as sources dependency
# for flex/bison parsers.
VPATH += $(OUTPUT)
export VPATH
endif

# Do not use make's built-in rules
# (this improves performance and avoids hard-to-debug behaviour);
MAKEFLAGS += -r

$(OUTPUT)PERF-VERSION-FILE: ../../.git/HEAD
	@$(SHELL_PATH) util/PERF-VERSION-GEN $(OUTPUT)
	@touch $(OUTPUT)PERF-VERSION-FILE

CC = $(CROSS_COMPILE)gcc
LD = $(CROSS_COMPILE)ld
AR = $(CROSS_COMPILE)ar
PKG_CONFIG = $(CROSS_COMPILE)pkg-config

RM      = rm -f
LN      = ln -f
MKDIR   = mkdir
FIND    = find
INSTALL = install
FLEX    = flex
BISON   = bison
STRIP   = strip

LIB_DIR          = $(srctree)/tools/lib/api/
TRACE_EVENT_DIR = $(srctree)/tools/lib/traceevent/

# include config/Makefile by default and rule out
# non-config cases
config := 1

NON_CONFIG_TARGETS := clean TAGS tags cscope help

ifdef MAKECMDGOALS
ifeq ($(filter-out $(NON_CONFIG_TARGETS),$(MAKECMDGOALS)),)
  config := 0
endif
endif

ifeq ($(config),1)
include config/Makefile
endif

export prefix bindir sharedir sysconfdir DESTDIR

# sparse is architecture-neutral, which means that we need to tell it
# explicitly what architecture to check for. Fix this up for yours..
SPARSE_FLAGS = -D__BIG_ENDIAN__ -D__powerpc__

# Guard against environment variables
BUILTIN_OBJS =
LIB_H =
LIB_OBJS =
GTK_OBJS =
PYRF_OBJS =
SCRIPT_SH =

SCRIPT_SH += perf-archive.sh
SCRIPT_SH += perf-with-kcore.sh

grep-libs = $(filter -l%,$(1))
strip-libs = $(filter-out -l%,$(1))

ifneq ($(OUTPUT),)
  TE_PATH=$(OUTPUT)
ifneq ($(subdir),)
  LIB_PATH=$(OUTPUT)/../lib/api/
else
  LIB_PATH=$(OUTPUT)
endif
else
  TE_PATH=$(TRACE_EVENT_DIR)
  LIB_PATH=$(LIB_DIR)
endif

LIBTRACEEVENT = $(TE_PATH)libtraceevent.a
export LIBTRACEEVENT

LIBAPIKFS = $(LIB_PATH)libapikfs.a
export LIBAPIKFS

# python extension build directories
PYTHON_EXTBUILD     := $(OUTPUT)python_ext_build/
PYTHON_EXTBUILD_LIB := $(PYTHON_EXTBUILD)lib/
PYTHON_EXTBUILD_TMP := $(PYTHON_EXTBUILD)tmp/
export PYTHON_EXTBUILD_LIB PYTHON_EXTBUILD_TMP

python-clean := $(call QUIET_CLEAN, python) $(RM) -r $(PYTHON_EXTBUILD) $(OUTPUT)python/perf.so

PYTHON_EXT_SRCS := $(shell grep -v ^\# util/python-ext-sources)
PYTHON_EXT_DEPS := util/python-ext-sources util/setup.py $(LIBTRACEEVENT) $(LIBAPIKFS)

$(OUTPUT)python/perf.so: $(PYTHON_EXT_SRCS) $(PYTHON_EXT_DEPS)
	$(QUIET_GEN)CFLAGS='$(CFLAGS)' $(PYTHON_WORD) util/setup.py \
	  --quiet build_ext; \
	mkdir -p $(OUTPUT)python && \
	cp $(PYTHON_EXTBUILD_LIB)perf.so $(OUTPUT)python/
#
# No Perl scripts right now:
#

SCRIPTS = $(patsubst %.sh,%,$(SCRIPT_SH))

PROGRAMS += $(OUTPUT)perf

ifndef NO_PERF_READ_VDSO32
PROGRAMS += $(OUTPUT)perf-read-vdso32
endif

ifndef NO_PERF_READ_VDSOX32
PROGRAMS += $(OUTPUT)perf-read-vdsox32
endif

# what 'all' will build and 'install' will install, in perfexecdir
ALL_PROGRAMS = $(PROGRAMS) $(SCRIPTS)

# what 'all' will build but not install in perfexecdir
OTHER_PROGRAMS = $(OUTPUT)perf

# Set paths to tools early so that they can be used for version tests.
ifndef SHELL_PATH
  SHELL_PATH = /bin/sh
endif
ifndef PERL_PATH
  PERL_PATH = /usr/bin/perl
endif

export PERL_PATH

LIB_FILE=$(OUTPUT)libperf.a

LIB_H += ../lib/symbol/kallsyms.h
LIB_H += ../../include/uapi/linux/perf_event.h
LIB_H += ../../include/linux/rbtree.h
LIB_H += ../../include/linux/list.h
LIB_H += ../../include/uapi/linux/const.h
LIB_H += ../include/linux/hash.h
LIB_H += ../../include/linux/stringify.h
LIB_H += util/include/linux/bitmap.h
LIB_H += ../include/linux/bitops.h
LIB_H += ../include/asm-generic/bitops/arch_hweight.h
LIB_H += ../include/asm-generic/bitops/atomic.h
LIB_H += ../include/asm-generic/bitops/const_hweight.h
LIB_H += ../include/asm-generic/bitops/find.h
LIB_H += ../include/asm-generic/bitops/fls64.h
LIB_H += ../include/asm-generic/bitops/fls.h
LIB_H += ../include/asm-generic/bitops/__ffs.h
LIB_H += ../include/asm-generic/bitops/__fls.h
LIB_H += ../include/asm-generic/bitops/hweight.h
LIB_H += ../include/asm-generic/bitops.h
LIB_H += ../include/linux/compiler.h
LIB_H += ../include/linux/log2.h
LIB_H += util/include/linux/const.h
LIB_H += util/include/linux/ctype.h
LIB_H += util/include/linux/kernel.h
LIB_H += util/include/linux/list.h
LIB_H += ../include/linux/export.h
LIB_H += util/include/linux/poison.h
LIB_H += util/include/linux/rbtree.h
LIB_H += util/include/linux/rbtree_augmented.h
LIB_H += util/include/linux/string.h
LIB_H += ../include/linux/types.h
LIB_H += util/include/linux/linkage.h
LIB_H += util/include/asm/asm-offsets.h
LIB_H += ../include/asm/bug.h
LIB_H += util/include/asm/byteorder.h
LIB_H += util/include/asm/swab.h
LIB_H += util/include/asm/system.h
LIB_H += util/include/asm/uaccess.h
LIB_H += util/include/dwarf-regs.h
LIB_H += util/include/asm/dwarf2.h
LIB_H += util/include/asm/cpufeature.h
LIB_H += util/include/asm/unistd_32.h
LIB_H += util/include/asm/unistd_64.h
LIB_H += perf.h
LIB_H += util/annotate.h
LIB_H += util/cache.h
LIB_H += util/callchain.h
LIB_H += util/build-id.h
LIB_H += util/db-export.h
LIB_H += util/debug.h
LIB_H += util/pmu.h
LIB_H += util/event.h
LIB_H += util/evsel.h
LIB_H += util/evlist.h
LIB_H += util/exec_cmd.h
LIB_H += util/find-vdso-map.c
LIB_H += util/levenshtein.h
LIB_H += util/machine.h
LIB_H += util/map.h
LIB_H += util/parse-options.h
LIB_H += util/parse-events.h
LIB_H += util/quote.h
LIB_H += util/util.h
LIB_H += util/xyarray.h
LIB_H += util/header.h
LIB_H += util/help.h
LIB_H += util/session.h
LIB_H += util/ordered-events.h
LIB_H += util/strbuf.h
LIB_H += util/strlist.h
LIB_H += util/strfilter.h
LIB_H += util/svghelper.h
LIB_H += util/tool.h
LIB_H += util/run-command.h
LIB_H += util/sigchain.h
LIB_H += util/dso.h
LIB_H += util/symbol.h
LIB_H += util/color.h
LIB_H += util/values.h
LIB_H += util/sort.h
LIB_H += util/hist.h
LIB_H += util/comm.h
LIB_H += util/thread.h
LIB_H += util/thread_map.h
LIB_H += util/trace-event.h
LIB_H += util/probe-finder.h
LIB_H += util/dwarf-aux.h
LIB_H += util/probe-event.h
LIB_H += util/pstack.h
LIB_H += util/cpumap.h
LIB_H += util/top.h
LIB_H += $(ARCH_INCLUDE)
LIB_H += util/cgroup.h
LIB_H += $(LIB_INCLUDE)traceevent/event-parse.h
LIB_H += util/target.h
LIB_H += util/rblist.h
LIB_H += util/intlist.h
LIB_H += util/perf_regs.h
LIB_H += util/unwind.h
LIB_H += util/vdso.h
LIB_H += util/tsc.h
LIB_H += ui/helpline.h
LIB_H += ui/progress.h
LIB_H += ui/util.h
LIB_H += ui/ui.h
LIB_H += util/data.h
LIB_H += util/kvm-stat.h
LIB_H += util/thread-stack.h

PERFLIBS = $(LIB_FILE) $(LIBAPIKFS) $(LIBTRACEEVENT)

# We choose to avoid "if .. else if .. else .. endif endif"
# because maintaining the nesting to match is a pain.  If
# we had "elif" things would have been much nicer...

-include arch/$(ARCH)/Makefile

ifneq ($(OUTPUT),)
  CFLAGS += -I$(OUTPUT)
endif

ifndef NO_GTK2
  ALL_PROGRAMS += $(OUTPUT)libperf-gtk.so
  GTK_IN := $(OUTPUT)gtk-in.o

install-gtk: $(OUTPUT)libperf-gtk.so
	$(call QUIET_INSTALL, 'GTK UI') \
		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(libdir_SQ)'; \
		$(INSTALL) $(OUTPUT)libperf-gtk.so '$(DESTDIR_SQ)$(libdir_SQ)'
endif

ifdef ASCIIDOC8
  export ASCIIDOC8
endif

LIBS = -Wl,--whole-archive $(PERFLIBS) -Wl,--no-whole-archive -Wl,--start-group $(EXTLIBS) -Wl,--end-group

export INSTALL SHELL_PATH

### Build rules

SHELL = $(SHELL_PATH)

all: shell_compatibility_test $(ALL_PROGRAMS) $(LANG_BINDINGS) $(OTHER_PROGRAMS)

please_set_SHELL_PATH_to_a_more_modern_shell:
	@$$(:)

shell_compatibility_test: please_set_SHELL_PATH_to_a_more_modern_shell

strip: $(PROGRAMS) $(OUTPUT)perf
	$(STRIP) $(STRIP_OPTS) $(PROGRAMS) $(OUTPUT)perf

PERF_IN := $(OUTPUT)perf-in.o

export srctree OUTPUT RM CC LD AR CFLAGS V BISON FLEX
build := -f $(srctree)/tools/build/Makefile.build dir=. obj

$(PERF_IN): $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)common-cmds.h FORCE
	@$(MAKE) $(build)=perf

$(OUTPUT)perf: $(BUILTIN_OBJS) $(PERFLIBS) $(PERF_IN)
	$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) \
               $(BUILTIN_OBJS) $(PERF_IN) $(LIBS) -o $@

$(GTK_IN): FORCE
	@$(MAKE) $(build)=gtk

$(OUTPUT)libperf-gtk.so: $(GTK_IN) $(PERFLIBS)
	$(QUIET_LINK)$(CC) -o $@ -shared $(LDFLAGS) $(filter %.o,$^) $(GTK_LIBS)

$(OUTPUT)common-cmds.h: util/generate-cmdlist.sh command-list.txt

$(OUTPUT)common-cmds.h: $(wildcard Documentation/perf-*.txt)
	$(QUIET_GEN). util/generate-cmdlist.sh > $@+ && mv $@+ $@

$(SCRIPTS) : % : %.sh
	$(QUIET_GEN)$(INSTALL) '$@.sh' '$(OUTPUT)$@'

# These can record PERF_VERSION
perf.spec $(SCRIPTS) \
	: $(OUTPUT)PERF-VERSION-FILE

.SUFFIXES:

#
# If a target does not match any of the later rules then prefix it by $(OUTPUT)
# This makes targets like 'make O=/tmp/perf perf.o' work in a natural way.
#
ifneq ($(OUTPUT),)
%.o: $(OUTPUT)%.o
	@echo "    # Redirected target $@ => $(OUTPUT)$@"
util/%.o: $(OUTPUT)util/%.o
	@echo "    # Redirected target $@ => $(OUTPUT)$@"
bench/%.o: $(OUTPUT)bench/%.o
	@echo "    # Redirected target $@ => $(OUTPUT)$@"
tests/%.o: $(OUTPUT)tests/%.o
	@echo "    # Redirected target $@ => $(OUTPUT)$@"
endif

# These two need to be here so that when O= is not used they take precedence
# over the general rule for .o

# get relative building directory (to $(OUTPUT))
# and '.' if it's $(OUTPUT) itself
__build-dir = $(subst $(OUTPUT),,$(dir $@))
build-dir   = $(if $(__build-dir),$(__build-dir),.)

single_dep: $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)common-cmds.h

$(OUTPUT)%.o: %.c single_dep FORCE
	@$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=$(build-dir) $@

$(OUTPUT)%.i: %.c single_dep FORCE
	@$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=$(build-dir) $@

$(OUTPUT)%.s: %.c single_dep FORCE
	@$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=$(build-dir) $@

$(OUTPUT)%-bison.o: %.c single_dep FORCE
	@$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=$(build-dir) $@

$(OUTPUT)%-flex.o: %.c single_dep FORCE
	@$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=$(build-dir) $@

$(OUTPUT)%.o: %.S single_dep FORCE
	@$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=$(build-dir) $@

$(OUTPUT)%.i: %.S single_dep FORCE
	@$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=$(build-dir) $@

$(OUTPUT)perf-%: %.o $(PERFLIBS)
	$(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $(LDFLAGS) $(filter %.o,$^) $(LIBS)

ifndef NO_PERF_READ_VDSO32
$(OUTPUT)perf-read-vdso32: perf-read-vdso.c util/find-vdso-map.c
	$(QUIET_CC)$(CC) -m32 $(filter -static,$(LDFLAGS)) -Wall -Werror -o $@ perf-read-vdso.c
endif

ifndef NO_PERF_READ_VDSOX32
$(OUTPUT)perf-read-vdsox32: perf-read-vdso.c util/find-vdso-map.c
	$(QUIET_CC)$(CC) -mx32 $(filter -static,$(LDFLAGS)) -Wall -Werror -o $@ perf-read-vdso.c
endif

$(LIB_OBJS) $(BUILTIN_OBJS): $(LIB_H)
$(patsubst perf-%,%.o,$(PROGRAMS)): $(LIB_H) $(wildcard */*.h)

# we compile into subdirectories. if the target directory is not the source directory, they might not exists. So
# we depend the various files onto their directories.
DIRECTORY_DEPS = $(LIB_OBJS) $(BUILTIN_OBJS) $(GTK_OBJS)
DIRECTORY_DEPS += $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)common-cmds.h
# no need to add flex objects, because they depend on bison ones
DIRECTORY_DEPS += $(OUTPUT)util/parse-events-bison.c
DIRECTORY_DEPS += $(OUTPUT)util/pmu-bison.c

OUTPUT_DIRECTORIES := $(sort $(dir $(DIRECTORY_DEPS)))

$(DIRECTORY_DEPS): | $(OUTPUT_DIRECTORIES)
# In the second step, we make a rule to actually create these directories
$(OUTPUT_DIRECTORIES):
	$(QUIET_MKDIR)$(MKDIR) -p $@ 2>/dev/null

LIBPERF_IN := $(OUTPUT)libperf-in.o

$(LIBPERF_IN): FORCE
	@$(MAKE) $(build)=libperf

$(LIB_FILE): $(LIB_OBJS) $(LIBPERF_IN)
	$(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(LIBPERF_IN) $(LIB_OBJS)

# libtraceevent.a
TE_SOURCES = $(wildcard $(TRACE_EVENT_DIR)*.[ch])

LIBTRACEEVENT_FLAGS  = $(QUIET_SUBDIR1) O=$(OUTPUT)
LIBTRACEEVENT_FLAGS += CFLAGS="-g -Wall $(EXTRA_CFLAGS)"
LIBTRACEEVENT_FLAGS += plugin_dir=$(plugindir_SQ)

$(LIBTRACEEVENT): $(TE_SOURCES) $(OUTPUT)PERF-CFLAGS
	$(QUIET_SUBDIR0)$(TRACE_EVENT_DIR) $(LIBTRACEEVENT_FLAGS) libtraceevent.a plugins

$(LIBTRACEEVENT)-clean:
	$(call QUIET_CLEAN, libtraceevent)
	@$(MAKE) -C $(TRACE_EVENT_DIR) O=$(OUTPUT) clean >/dev/null

install-traceevent-plugins: $(LIBTRACEEVENT)
	$(QUIET_SUBDIR0)$(TRACE_EVENT_DIR) $(LIBTRACEEVENT_FLAGS) install_plugins

LIBAPIKFS_SOURCES = $(wildcard $(LIB_PATH)fs/*.[ch] $(LIB_PATH)fd/*.[ch])

# if subdir is set, we've been called from above so target has been built
# already
$(LIBAPIKFS): $(LIBAPIKFS_SOURCES)
ifeq ($(subdir),)
	$(QUIET_SUBDIR0)$(LIB_DIR) $(QUIET_SUBDIR1) O=$(OUTPUT) libapikfs.a
endif

$(LIBAPIKFS)-clean:
ifeq ($(subdir),)
	$(call QUIET_CLEAN, libapikfs)
	@$(MAKE) -C $(LIB_DIR) O=$(OUTPUT) clean >/dev/null
endif

help:
	@echo 'Perf make targets:'
	@echo '  doc		- make *all* documentation (see below)'
	@echo '  man		- make manpage documentation (access with man <foo>)'
	@echo '  html		- make html documentation'
	@echo '  info		- make GNU info documentation (access with info <foo>)'
	@echo '  pdf		- make pdf documentation'
	@echo '  TAGS		- use etags to make tag information for source browsing'
	@echo '  tags		- use ctags to make tag information for source browsing'
	@echo '  cscope	- use cscope to make interactive browsing database'
	@echo ''
	@echo 'Perf install targets:'
	@echo '  NOTE: documentation build requires asciidoc, xmlto packages to be installed'
	@echo '  HINT: use "prefix" or "DESTDIR" to install to a particular'
	@echo '        path like "make prefix=/usr/local install install-doc"'
	@echo '  install	- install compiled binaries'
	@echo '  install-doc	- install *all* documentation'
	@echo '  install-man	- install manpage documentation'
	@echo '  install-html	- install html documentation'
	@echo '  install-info	- install GNU info documentation'
	@echo '  install-pdf	- install pdf documentation'
	@echo ''
	@echo '  quick-install-doc	- alias for quick-install-man'
	@echo '  quick-install-man	- install the documentation quickly'
	@echo '  quick-install-html	- install the html documentation quickly'
	@echo ''
	@echo 'Perf maintainer targets:'
	@echo '  clean			- clean all binary objects and build output'


DOC_TARGETS := doc man html info pdf

INSTALL_DOC_TARGETS := $(patsubst %,install-%,$(DOC_TARGETS)) try-install-man
INSTALL_DOC_TARGETS += quick-install-doc quick-install-man quick-install-html

# 'make doc' should call 'make -C Documentation all'
$(DOC_TARGETS):
	$(QUIET_SUBDIR0)Documentation $(QUIET_SUBDIR1) $(@:doc=all)

TAG_FOLDERS= . ../lib/traceevent ../lib/api ../lib/symbol
TAG_FILES= ../../include/uapi/linux/perf_event.h

TAGS:
	$(QUIET_GEN)$(RM) TAGS; \
	$(FIND) $(TAG_FOLDERS) -name '*.[hcS]' -print | xargs etags -a $(TAG_FILES)

tags:
	$(QUIET_GEN)$(RM) tags; \
	$(FIND) $(TAG_FOLDERS) -name '*.[hcS]' -print | xargs ctags -a $(TAG_FILES)

cscope:
	$(QUIET_GEN)$(RM) cscope*; \
	$(FIND) $(TAG_FOLDERS) -name '*.[hcS]' -print | xargs cscope -b $(TAG_FILES)

### Detect prefix changes
TRACK_CFLAGS = $(subst ','\'',$(CFLAGS)):\
             $(bindir_SQ):$(perfexecdir_SQ):$(template_dir_SQ):$(prefix_SQ):$(plugindir_SQ)

$(OUTPUT)PERF-CFLAGS: .FORCE-PERF-CFLAGS
	@FLAGS='$(TRACK_CFLAGS)'; \
	    if test x"$$FLAGS" != x"`cat $(OUTPUT)PERF-CFLAGS 2>/dev/null`" ; then \
		echo 1>&2 "  FLAGS:   * new build flags or prefix"; \
		echo "$$FLAGS" >$(OUTPUT)PERF-CFLAGS; \
            fi

### Testing rules

# GNU make supports exporting all variables by "export" without parameters.
# However, the environment gets quite big, and some programs have problems
# with that.

check: $(OUTPUT)common-cmds.h
	if sparse; \
	then \
		for i in *.c */*.c; \
		do \
			sparse $(CFLAGS) $(SPARSE_FLAGS) $$i || exit; \
		done; \
	else \
		exit 1; \
	fi

### Installation rules

install-gtk:

install-bin: all install-gtk
	$(call QUIET_INSTALL, binaries) \
		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(bindir_SQ)'; \
		$(INSTALL) $(OUTPUT)perf '$(DESTDIR_SQ)$(bindir_SQ)'; \
		$(LN) '$(DESTDIR_SQ)$(bindir_SQ)/perf' '$(DESTDIR_SQ)$(bindir_SQ)/trace'
ifndef NO_PERF_READ_VDSO32
	$(call QUIET_INSTALL, perf-read-vdso32) \
		$(INSTALL) $(OUTPUT)perf-read-vdso32 '$(DESTDIR_SQ)$(bindir_SQ)';
endif
ifndef NO_PERF_READ_VDSOX32
	$(call QUIET_INSTALL, perf-read-vdsox32) \
		$(INSTALL) $(OUTPUT)perf-read-vdsox32 '$(DESTDIR_SQ)$(bindir_SQ)';
endif
	$(call QUIET_INSTALL, libexec) \
		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)'
	$(call QUIET_INSTALL, perf-archive) \
		$(INSTALL) $(OUTPUT)perf-archive -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)'
	$(call QUIET_INSTALL, perf-with-kcore) \
		$(INSTALL) $(OUTPUT)perf-with-kcore -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)'
ifndef NO_LIBPERL
	$(call QUIET_INSTALL, perl-scripts) \
		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/Perf-Trace-Util/lib/Perf/Trace'; \
		$(INSTALL) scripts/perl/Perf-Trace-Util/lib/Perf/Trace/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/Perf-Trace-Util/lib/Perf/Trace'; \
		$(INSTALL) scripts/perl/*.pl -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl'; \
		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/bin'; \
		$(INSTALL) scripts/perl/bin/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/bin'
endif
ifndef NO_LIBPYTHON
	$(call QUIET_INSTALL, python-scripts) \
		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/Perf-Trace-Util/lib/Perf/Trace'; \
		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/bin'; \
		$(INSTALL) scripts/python/Perf-Trace-Util/lib/Perf/Trace/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/Perf-Trace-Util/lib/Perf/Trace'; \
		$(INSTALL) scripts/python/*.py -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python'; \
		$(INSTALL) scripts/python/bin/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/bin'
endif
	$(call QUIET_INSTALL, perf_completion-script) \
		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(sysconfdir_SQ)/bash_completion.d'; \
		$(INSTALL) perf-completion.sh '$(DESTDIR_SQ)$(sysconfdir_SQ)/bash_completion.d/perf'
	$(call QUIET_INSTALL, tests) \
		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests'; \
		$(INSTALL) tests/attr.py '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests'; \
		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/attr'; \
		$(INSTALL) tests/attr/* '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/attr'

install: install-bin try-install-man install-traceevent-plugins

install-python_ext:
	$(PYTHON_WORD) util/setup.py --quiet install --root='/$(DESTDIR_SQ)'

# 'make install-doc' should call 'make -C Documentation install'
$(INSTALL_DOC_TARGETS):
	$(QUIET_SUBDIR0)Documentation $(QUIET_SUBDIR1) $(@:-doc=)

### Cleaning rules

#
# This is here, not in config/Makefile, because config/Makefile does
# not get included for the clean target:
#
config-clean:
	$(call QUIET_CLEAN, config)
	@$(MAKE) -C config/feature-checks clean >/dev/null

clean: $(LIBTRACEEVENT)-clean $(LIBAPIKFS)-clean config-clean
	$(call QUIET_CLEAN, core-objs)  $(RM) $(LIB_OBJS) $(BUILTIN_OBJS) $(LIB_FILE) $(OUTPUT)perf-archive $(OUTPUT)perf-with-kcore $(LANG_BINDINGS)
	@find . -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
	@$(RM) .config-detected
	$(call QUIET_CLEAN, core-progs) $(RM) $(ALL_PROGRAMS) perf perf-read-vdso32 perf-read-vdsox32
	$(call QUIET_CLEAN, core-gen)   $(RM)  *.spec *.pyc *.pyo */*.pyc */*.pyo $(OUTPUT)common-cmds.h TAGS tags cscope* $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)PERF-CFLAGS $(OUTPUT)PERF-FEATURES $(OUTPUT)util/*-bison* $(OUTPUT)util/*-flex*
	$(QUIET_SUBDIR0)Documentation $(QUIET_SUBDIR1) clean
	$(python-clean)

#
# Trick: if ../../.git does not exist - we are building out of tree for example,
# then force version regeneration:
#
ifeq ($(wildcard ../../.git/HEAD),)
    GIT-HEAD-PHONY = ../../.git/HEAD
else
    GIT-HEAD-PHONY =
endif

FORCE:

.PHONY: all install clean config-clean strip install-gtk
.PHONY: shell_compatibility_test please_set_SHELL_PATH_to_a_more_modern_shell
.PHONY: $(GIT-HEAD-PHONY) TAGS tags cscope .FORCE-PERF-CFLAGS FORCE single_dep