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# The default target of this Makefile is...
all::
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# Define V=1 to have a more verbose compile.
#
# Define SNPRINTF_RETURNS_BOGUS if your are on a system which snprintf()
# or vsnprintf() return -1 instead of number of characters which would
# have been written to the final string if enough space had been available.
#
# Define FREAD_READS_DIRECTORIES if your are on a system which succeeds
# when attempting to read from an fopen'ed directory.
#
# Define NO_OPENSSL environment variable if you do not have OpenSSL.
# This also implies MOZILLA_SHA1.
#
# Define CURLDIR=/foo/bar if your curl header and library files are in
# /foo/bar/include and /foo/bar/lib directories.
#
# Define EXPATDIR=/foo/bar if your expat header and library files are in
# /foo/bar/include and /foo/bar/lib directories.
#
# Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent.
#
# Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks
# d_type in struct dirent (latest Cygwin -- will be fixed soonish).
#
# Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.)
# do not support the 'size specifiers' introduced by C99, namely ll, hh,
# j, z, t. (representing long long int, char, intmax_t, size_t, ptrdiff_t).
# some C compilers supported these specifiers prior to C99 as an extension.
#
# Define NO_STRCASESTR if you don't have strcasestr.
#
# Define NO_MEMMEM if you don't have memmem.
#
# Define NO_STRTOUMAX if you don't have strtoumax in the C library.
# If your compiler also does not support long long or does not have
# strtoull, define NO_STRTOULL.
#
# Define NO_SETENV if you don't have setenv in the C library.
#
# Define NO_UNSETENV if you don't have unsetenv in the C library.
#
# Define NO_MKDTEMP if you don't have mkdtemp in the C library.
#
# Define NO_SYS_SELECT_H if you don't have sys/select.h.
#
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# Define NO_SYMLINK_HEAD if you never want .perf/HEAD to be a symbolic link.
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# Enable it on Windows.  By default, symrefs are still used.
#
# Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability
# tests.  These tests take up a significant amount of the total test time
# but are not needed unless you plan to talk to SVN repos.
#
# Define NO_FINK if you are building on Darwin/Mac OS X, have Fink
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# installed in /sw, but don't want PERF to link against any libraries
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# installed there.  If defined you may specify your own (or Fink's)
# include directories and library directories by defining CFLAGS
# and LDFLAGS appropriately.
#
# Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X,
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# have DarwinPorts installed in /opt/local, but don't want PERF to
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# link against any libraries installed there.  If defined you may
# specify your own (or DarwinPort's) include directories and
# library directories by defining CFLAGS and LDFLAGS appropriately.
#
# Define PPC_SHA1 environment variable when running make to make use of
# a bundled SHA1 routine optimized for PowerPC.
#
# Define ARM_SHA1 environment variable when running make to make use of
# a bundled SHA1 routine optimized for ARM.
#
# Define MOZILLA_SHA1 environment variable when running make to make use of
# a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast
# on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default
# choice) has very fast version optimized for i586.
#
# Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin).
#
# Define NEEDS_LIBICONV if linking with libc is not enough (Darwin).
#
# Define NEEDS_SOCKET if linking with libc is not enough (SunOS,
# Patrick Mauritz).
#
# Define NO_MMAP if you want to avoid mmap.
#
# Define NO_PTHREADS if you do not have or do not want to use Pthreads.
#
# Define NO_PREAD if you have a problem with pread() system call (e.g.
# cygwin.dll before v1.5.22).
#
# Define NO_FAST_WORKING_DIRECTORY if accessing objects in pack files is
# generally faster on your platform than accessing the working directory.
#
# Define NO_TRUSTABLE_FILEMODE if your filesystem may claim to support
# the executable mode bit, but doesn't really do so.
#
# Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
#
# Define NO_SOCKADDR_STORAGE if your platform does not have struct
# sockaddr_storage.
#
# Define NO_ICONV if your libc does not properly support iconv.
#
# Define OLD_ICONV if your library has an old iconv(), where the second
# (input buffer pointer) parameter is declared with type (const char **).
#
# Define NO_DEFLATE_BOUND if your zlib does not have deflateBound.
#
# Define NO_R_TO_GCC_LINKER if your gcc does not like "-R/path/lib"
# that tells runtime paths to dynamic libraries;
# "-Wl,-rpath=/path/lib" is used instead.
#
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# Define USE_NSEC below if you want perf to care about sub-second file mtimes
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# and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and
# it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely
# randomly break unless your underlying filesystem supports those sub-second
# times (my ext3 doesn't).
#
# Define USE_ST_TIMESPEC if your "struct stat" uses "st_ctimespec" instead of
# "st_ctim"
#
# Define NO_NSEC if your "struct stat" does not have "st_ctim.tv_nsec"
# available.  This automatically turns USE_NSEC off.
#
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# Define USE_STDEV below if you want perf to care about the underlying device
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# change being considered an inode change from the update-index perspective.
#
# Define NO_ST_BLOCKS_IN_STRUCT_STAT if your platform does not have st_blocks
# field that counts the on-disk footprint in 512-byte blocks.
#
# 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 NO_PERL_MAKEMAKER if you cannot use Makefiles generated by perl's
# MakeMaker (e.g. using ActiveState under Cygwin).
#
# Define NO_PERL if you do not want Perl scripts or libraries at all.
#
# Define INTERNAL_QSORT to use Git's implementation of qsort(), which
# is a simplified version of the merge sort used in glibc. This is
# recommended if Git triggers O(n^2) behavior in your platform's qsort().
#
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# Define NO_EXTERNAL_GREP if you don't want "perf grep" to ever call
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# your external grep (e.g., if your system lacks grep, if its grep is
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# broken, or spawning external process is slower than built-in grep perf has).
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#
# Define LDFLAGS=-static to build a static binary.
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PERF-VERSION-FILE: .FORCE-PERF-VERSION-FILE
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	@$(SHELL_PATH) util/PERF-VERSION-GEN
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-include PERF-VERSION-FILE
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uname_S := $(shell sh -c 'uname -s 2>/dev/null || echo not')
uname_M := $(shell sh -c 'uname -m 2>/dev/null || echo not')
uname_O := $(shell sh -c 'uname -o 2>/dev/null || echo not')
uname_R := $(shell sh -c 'uname -r 2>/dev/null || echo not')
uname_P := $(shell sh -c 'uname -p 2>/dev/null || echo not')
uname_V := $(shell sh -c 'uname -v 2>/dev/null || echo not')
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#
# Add -m32 for cross-builds:
#
ifdef NO_64BIT
  MBITS := -m32
else
  #
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  # If we're on a 64-bit kernel (except ia64), use -m64:
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  #
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  ifneq ($(uname_M),ia64)
    ifneq ($(patsubst %64,%,$(uname_M)),$(uname_M))
      MBITS := -m64
    endif
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  endif
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endif

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# CFLAGS and LDFLAGS are for the users to override from the command line.
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#
# Include saner warnings here, which can catch bugs:
#
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EXTRA_WARNINGS := -Wformat
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EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wformat-security
EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wformat-y2k
EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wshadow
EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Winit-self
EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wpacked
EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wredundant-decls
EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wstack-protector
EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wstrict-aliasing=3
EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wswitch-default
EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wswitch-enum
EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wno-system-headers
EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wundef
EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wvolatile-register-var
EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wwrite-strings
EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wbad-function-cast
EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wmissing-declarations
EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wmissing-prototypes
EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wnested-externs
EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wold-style-definition
EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wstrict-prototypes
EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wdeclaration-after-statement
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ifeq ("$(origin DEBUG)", "command line")
  PERF_DEBUG = $(DEBUG)
endif
ifndef PERF_DEBUG
  CFLAGS_OPTIMIZE = -O6
endif

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CFLAGS = $(MBITS) -ggdb3 -Wall -Wextra -std=gnu99 -Werror $(CFLAGS_OPTIMIZE) -D_FORTIFY_SOURCE=2 $(EXTRA_WARNINGS)
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EXTLIBS = -lpthread -lrt -lelf -lm
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ALL_CFLAGS = $(CFLAGS)
ALL_LDFLAGS = $(LDFLAGS)
STRIP ?= strip

# Among the variables below, these:
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#   perfexecdir
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#   template_dir
#   mandir
#   infodir
#   htmldir
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#   ETC_PERFCONFIG (but not sysconfdir)
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# can be specified as a relative path some/where/else;
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# this is interpreted as relative to $(prefix) and "perf" at
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# runtime figures out where they are based on the path to the executable.
# This can help installing the suite in a relocatable way.

prefix = $(HOME)
bindir_relative = bin
bindir = $(prefix)/$(bindir_relative)
mandir = share/man
infodir = share/info
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perfexecdir = libexec/perf-core
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sharedir = $(prefix)/share
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template_dir = share/perf-core/templates
htmldir = share/doc/perf-doc
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ifeq ($(prefix),/usr)
sysconfdir = /etc
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ETC_PERFCONFIG = $(sysconfdir)/perfconfig
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else
sysconfdir = $(prefix)/etc
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ETC_PERFCONFIG = etc/perfconfig
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endif
lib = lib
# DESTDIR=

export prefix bindir sharedir sysconfdir

CC = gcc
AR = ar
RM = rm -f
TAR = tar
FIND = find
INSTALL = install
RPMBUILD = rpmbuild
PTHREAD_LIBS = -lpthread

# 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__

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ifeq ($(shell sh -c "echo 'int foo(void) {char X[2]; return 3;}' | $(CC) -x c -c -Werror -fstack-protector-all - -o /dev/null >/dev/null 2>&1 && echo y"), y)
  CFLAGS := $(CFLAGS) -fstack-protector-all
endif
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### --- END CONFIGURATION SECTION ---

# Those must not be GNU-specific; they are shared with perl/ which may
# be built by a different compiler. (Note that this is an artifact now
# but it still might be nice to keep that distinction.)
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BASIC_CFLAGS = -Iutil/include
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BASIC_LDFLAGS =

# Guard against environment variables
BUILTIN_OBJS =
BUILT_INS =
COMPAT_CFLAGS =
COMPAT_OBJS =
LIB_H =
LIB_OBJS =
SCRIPT_PERL =
SCRIPT_SH =
TEST_PROGRAMS =

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#
# No scripts right now:
#

# SCRIPT_SH += perf-am.sh

#
# No Perl scripts right now:
#

# SCRIPT_PERL += perf-add--interactive.perl
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SCRIPTS = $(patsubst %.sh,%,$(SCRIPT_SH)) \
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	  $(patsubst %.perl,%,$(SCRIPT_PERL))
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# Empty...
EXTRA_PROGRAMS =

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# ... and all the rest that could be moved out of bindir to perfexecdir
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PROGRAMS += $(EXTRA_PROGRAMS)
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#
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# Single 'perf' binary right now:
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#
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PROGRAMS += perf
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# List built-in command $C whose implementation cmd_$C() is not in
# builtin-$C.o but is linked in as part of some other command.
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#
# None right now:
#
# BUILT_INS += perf-init $X

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

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# what 'all' will build but not install in perfexecdir
OTHER_PROGRAMS = perf$X
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# 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

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LIB_FILE=libperf.a

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LIB_H += ../../include/linux/perf_event.h
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LIB_H += ../../include/linux/rbtree.h
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LIB_H += ../../include/linux/list.h
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LIB_H += ../../include/linux/stringify.h
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LIB_H += util/include/linux/bitmap.h
LIB_H += util/include/linux/bitops.h
LIB_H += util/include/linux/compiler.h
LIB_H += util/include/linux/ctype.h
LIB_H += util/include/linux/kernel.h
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LIB_H += util/include/linux/list.h
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LIB_H += util/include/linux/module.h
LIB_H += util/include/linux/poison.h
LIB_H += util/include/linux/prefetch.h
LIB_H += util/include/linux/rbtree.h
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LIB_H += util/include/linux/string.h
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LIB_H += util/include/linux/types.h
LIB_H += util/include/asm/asm-offsets.h
LIB_H += util/include/asm/bitops.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
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LIB_H += perf.h
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LIB_H += util/debugfs.h
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LIB_H += util/event.h
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LIB_H += util/types.h
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LIB_H += util/levenshtein.h
LIB_H += util/parse-options.h
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LIB_H += util/parse-events.h
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LIB_H += util/quote.h
LIB_H += util/util.h
LIB_H += util/help.h
LIB_H += util/strbuf.h
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LIB_H += util/string.h
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LIB_H += util/strlist.h
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LIB_H += util/run-command.h
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LIB_H += util/sigchain.h
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LIB_H += util/symbol.h
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LIB_H += util/color.h
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LIB_H += util/values.h
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LIB_H += util/sort.h
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LIB_H += util/hist.h
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LIB_H += util/thread.h
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LIB_H += util/data_map.h
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LIB_OBJS += util/abspath.o
LIB_OBJS += util/alias.o
LIB_OBJS += util/config.o
LIB_OBJS += util/ctype.o
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LIB_OBJS += util/debugfs.o
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LIB_OBJS += util/environment.o
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LIB_OBJS += util/event.o
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LIB_OBJS += util/exec_cmd.o
LIB_OBJS += util/help.o
LIB_OBJS += util/levenshtein.o
LIB_OBJS += util/parse-options.o
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LIB_OBJS += util/parse-events.o
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LIB_OBJS += util/path.o
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LIB_OBJS += util/rbtree.o
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LIB_OBJS += util/bitmap.o
LIB_OBJS += util/hweight.o
LIB_OBJS += util/find_next_bit.o
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LIB_OBJS += util/run-command.o
LIB_OBJS += util/quote.o
LIB_OBJS += util/strbuf.o
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LIB_OBJS += util/string.o
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LIB_OBJS += util/strlist.o
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LIB_OBJS += util/usage.o
LIB_OBJS += util/wrapper.o
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LIB_OBJS += util/sigchain.o
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LIB_OBJS += util/symbol.o
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LIB_OBJS += util/color.o
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LIB_OBJS += util/pager.o
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LIB_OBJS += util/header.o
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LIB_OBJS += util/callchain.o
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LIB_OBJS += util/values.o
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LIB_OBJS += util/debug.o
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LIB_OBJS += util/map.o
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LIB_OBJS += util/thread.o
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LIB_OBJS += util/trace-event-parse.o
LIB_OBJS += util/trace-event-read.o
LIB_OBJS += util/trace-event-info.o
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LIB_OBJS += util/svghelper.o
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LIB_OBJS += util/sort.o
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LIB_OBJS += util/hist.o
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LIB_OBJS += util/data_map.o
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BUILTIN_OBJS += builtin-annotate.o
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BUILTIN_OBJS += builtin-bench.o

# Benchmark modules
BUILTIN_OBJS += bench/sched-messaging.o
BUILTIN_OBJS += bench/sched-pipe.o

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BUILTIN_OBJS += builtin-help.o
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BUILTIN_OBJS += builtin-sched.o
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BUILTIN_OBJS += builtin-buildid-list.o
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BUILTIN_OBJS += builtin-list.o
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BUILTIN_OBJS += builtin-record.o
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BUILTIN_OBJS += builtin-report.o
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BUILTIN_OBJS += builtin-stat.o
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BUILTIN_OBJS += builtin-timechart.o
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BUILTIN_OBJS += builtin-top.o
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BUILTIN_OBJS += builtin-trace.o
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BUILTIN_OBJS += builtin-probe.o
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BUILTIN_OBJS += builtin-kmem.o
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PERFLIBS = $(LIB_FILE)
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#
# Platform specific tweaks
#

# 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 config.mak.autogen
-include config.mak

ifeq ($(uname_S),Darwin)
	ifndef NO_FINK
		ifeq ($(shell test -d /sw/lib && echo y),y)
			BASIC_CFLAGS += -I/sw/include
			BASIC_LDFLAGS += -L/sw/lib
		endif
	endif
	ifndef NO_DARWIN_PORTS
		ifeq ($(shell test -d /opt/local/lib && echo y),y)
			BASIC_CFLAGS += -I/opt/local/include
			BASIC_LDFLAGS += -L/opt/local/lib
		endif
	endif
	PTHREAD_LIBS =
endif

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ifeq ($(shell sh -c "(echo '\#include <libelf.h>'; echo 'int main(void) { Elf * elf = elf_begin(0, ELF_C_READ, 0); return (long)elf; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -o /dev/null $(ALL_LDFLAGS) $(EXTLIBS) > /dev/null 2>&1 && echo y"), y)
ifneq ($(shell sh -c "(echo '\#include <gnu/libc-version.h>'; echo 'int main(void) { const char * version = gnu_get_libc_version(); return (long)version; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -o /dev/null $(ALL_LDFLAGS) $(EXTLIBS) > /dev/null 2>&1 && echo y"), y)
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	msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
endif

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	ifneq ($(shell sh -c "(echo '\#include <libelf.h>'; echo 'int main(void) { Elf * elf = elf_begin(0, ELF_C_READ_MMAP, 0); return (long)elf; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -o /dev/null $(ALL_LDFLAGS) $(EXTLIBS) > /dev/null 2>&1 && echo y"), y)
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		BASIC_CFLAGS += -DLIBELF_NO_MMAP
	endif
else
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	msg := $(error No libelf.h/libelf found, please install libelf-dev/elfutils-libelf-devel and glibc-dev[el]);
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endif

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ifneq ($(shell sh -c "(echo '\#include <libdwarf/dwarf.h>'; echo '\#include <libdwarf/libdwarf.h>'; echo 'int main(void) { Dwarf_Debug dbg; Dwarf_Error err; Dwarf_Ranges *rng; dwarf_init(0, DW_DLC_READ, 0, 0, &dbg, &err); dwarf_get_ranges(dbg, 0, &rng, 0, 0, &err); return (long)dbg; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -ldwarf -lelf -o /dev/null $(ALL_LDFLAGS) $(EXTLIBS) > /dev/null 2>&1 && echo y"), y)
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	msg := $(warning No libdwarf.h found or old libdwarf.h found, disables dwarf support. Please install libdwarf-dev/libdwarf-devel >= 20081231);
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	BASIC_CFLAGS += -DNO_LIBDWARF
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else
	EXTLIBS += -lelf -ldwarf
	LIB_H += util/probe-finder.h
	LIB_OBJS += util/probe-finder.o
endif

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ifdef NO_DEMANGLE
	BASIC_CFLAGS += -DNO_DEMANGLE
else
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	has_bfd := $(shell sh -c "(echo '\#include <bfd.h>'; echo 'int main(void) { bfd_demangle(0, 0, 0); return 0; }') | $(CC) -x c - $(ALL_CFLAGS) -o /dev/null $(ALL_LDFLAGS) $(EXTLIBS) -lbfd > /dev/null 2>&1 && echo y")
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Peter Zijlstra 已提交
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	ifeq ($(has_bfd),y)
		EXTLIBS += -lbfd
	else
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		has_bfd_iberty := $(shell sh -c "(echo '\#include <bfd.h>'; echo 'int main(void) { bfd_demangle(0, 0, 0); return 0; }') | $(CC) -x c - $(ALL_CFLAGS) -o /dev/null $(ALL_LDFLAGS) $(EXTLIBS) -lbfd -liberty > /dev/null 2>&1 && echo y")
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		ifeq ($(has_bfd_iberty),y)
			EXTLIBS += -lbfd -liberty
		else
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			has_bfd_iberty_z := $(shell sh -c "(echo '\#include <bfd.h>'; echo 'int main(void) { bfd_demangle(0, 0, 0); return 0; }') | $(CC) -x c - $(ALL_CFLAGS) -o /dev/null $(ALL_LDFLAGS) $(EXTLIBS) -lbfd -liberty -lz > /dev/null 2>&1 && echo y")
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			ifeq ($(has_bfd_iberty_z),y)
				EXTLIBS += -lbfd -liberty -lz
			else
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				has_cplus_demangle := $(shell sh -c "(echo 'extern char *cplus_demangle(const char *, int);'; echo 'int main(void) { cplus_demangle(0, 0); return 0; }') | $(CC) -x c - $(ALL_CFLAGS) -o /dev/null $(ALL_LDFLAGS) $(EXTLIBS) -liberty > /dev/null 2>&1 && echo y")
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				ifeq ($(has_cplus_demangle),y)
					EXTLIBS += -liberty
					BASIC_CFLAGS += -DHAVE_CPLUS_DEMANGLE
				else
					msg := $(warning No bfd.h/libbfd found, install binutils-dev[el] to gain symbol demangling)
					BASIC_CFLAGS += -DNO_DEMANGLE
				endif
			endif
		endif
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	endif
endif

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ifndef CC_LD_DYNPATH
	ifdef NO_R_TO_GCC_LINKER
		# Some gcc does not accept and pass -R to the linker to specify
		# the runtime dynamic library path.
		CC_LD_DYNPATH = -Wl,-rpath,
	else
		CC_LD_DYNPATH = -R
	endif
endif

ifdef NEEDS_SOCKET
	EXTLIBS += -lsocket
endif
ifdef NEEDS_NSL
	EXTLIBS += -lnsl
endif
ifdef NO_D_TYPE_IN_DIRENT
	BASIC_CFLAGS += -DNO_D_TYPE_IN_DIRENT
endif
ifdef NO_D_INO_IN_DIRENT
	BASIC_CFLAGS += -DNO_D_INO_IN_DIRENT
endif
ifdef NO_ST_BLOCKS_IN_STRUCT_STAT
	BASIC_CFLAGS += -DNO_ST_BLOCKS_IN_STRUCT_STAT
endif
ifdef USE_NSEC
	BASIC_CFLAGS += -DUSE_NSEC
endif
ifdef USE_ST_TIMESPEC
	BASIC_CFLAGS += -DUSE_ST_TIMESPEC
endif
ifdef NO_NSEC
	BASIC_CFLAGS += -DNO_NSEC
endif
ifdef NO_C99_FORMAT
	BASIC_CFLAGS += -DNO_C99_FORMAT
endif
ifdef SNPRINTF_RETURNS_BOGUS
	COMPAT_CFLAGS += -DSNPRINTF_RETURNS_BOGUS
	COMPAT_OBJS += compat/snprintf.o
endif
ifdef FREAD_READS_DIRECTORIES
	COMPAT_CFLAGS += -DFREAD_READS_DIRECTORIES
	COMPAT_OBJS += compat/fopen.o
endif
ifdef NO_SYMLINK_HEAD
	BASIC_CFLAGS += -DNO_SYMLINK_HEAD
endif
ifdef NO_STRCASESTR
	COMPAT_CFLAGS += -DNO_STRCASESTR
	COMPAT_OBJS += compat/strcasestr.o
endif
ifdef NO_STRTOUMAX
	COMPAT_CFLAGS += -DNO_STRTOUMAX
	COMPAT_OBJS += compat/strtoumax.o
endif
ifdef NO_STRTOULL
	COMPAT_CFLAGS += -DNO_STRTOULL
endif
ifdef NO_SETENV
	COMPAT_CFLAGS += -DNO_SETENV
	COMPAT_OBJS += compat/setenv.o
endif
ifdef NO_MKDTEMP
	COMPAT_CFLAGS += -DNO_MKDTEMP
	COMPAT_OBJS += compat/mkdtemp.o
endif
ifdef NO_UNSETENV
	COMPAT_CFLAGS += -DNO_UNSETENV
	COMPAT_OBJS += compat/unsetenv.o
endif
ifdef NO_SYS_SELECT_H
	BASIC_CFLAGS += -DNO_SYS_SELECT_H
endif
ifdef NO_MMAP
	COMPAT_CFLAGS += -DNO_MMAP
	COMPAT_OBJS += compat/mmap.o
else
	ifdef USE_WIN32_MMAP
		COMPAT_CFLAGS += -DUSE_WIN32_MMAP
		COMPAT_OBJS += compat/win32mmap.o
	endif
endif
ifdef NO_PREAD
	COMPAT_CFLAGS += -DNO_PREAD
	COMPAT_OBJS += compat/pread.o
endif
ifdef NO_FAST_WORKING_DIRECTORY
	BASIC_CFLAGS += -DNO_FAST_WORKING_DIRECTORY
endif
ifdef NO_TRUSTABLE_FILEMODE
	BASIC_CFLAGS += -DNO_TRUSTABLE_FILEMODE
endif
ifdef NO_IPV6
	BASIC_CFLAGS += -DNO_IPV6
endif
ifdef NO_UINTMAX_T
	BASIC_CFLAGS += -Duintmax_t=uint32_t
endif
ifdef NO_SOCKADDR_STORAGE
ifdef NO_IPV6
	BASIC_CFLAGS += -Dsockaddr_storage=sockaddr_in
else
	BASIC_CFLAGS += -Dsockaddr_storage=sockaddr_in6
endif
endif
ifdef NO_INET_NTOP
	LIB_OBJS += compat/inet_ntop.o
endif
ifdef NO_INET_PTON
	LIB_OBJS += compat/inet_pton.o
endif

ifdef NO_ICONV
	BASIC_CFLAGS += -DNO_ICONV
endif

ifdef OLD_ICONV
	BASIC_CFLAGS += -DOLD_ICONV
endif

ifdef NO_DEFLATE_BOUND
	BASIC_CFLAGS += -DNO_DEFLATE_BOUND
endif

ifdef PPC_SHA1
	SHA1_HEADER = "ppc/sha1.h"
	LIB_OBJS += ppc/sha1.o ppc/sha1ppc.o
else
ifdef ARM_SHA1
	SHA1_HEADER = "arm/sha1.h"
	LIB_OBJS += arm/sha1.o arm/sha1_arm.o
else
ifdef MOZILLA_SHA1
	SHA1_HEADER = "mozilla-sha1/sha1.h"
	LIB_OBJS += mozilla-sha1/sha1.o
else
	SHA1_HEADER = <openssl/sha.h>
	EXTLIBS += $(LIB_4_CRYPTO)
endif
endif
endif
ifdef NO_PERL_MAKEMAKER
	export NO_PERL_MAKEMAKER
endif
ifdef NO_HSTRERROR
	COMPAT_CFLAGS += -DNO_HSTRERROR
	COMPAT_OBJS += compat/hstrerror.o
endif
ifdef NO_MEMMEM
	COMPAT_CFLAGS += -DNO_MEMMEM
	COMPAT_OBJS += compat/memmem.o
endif
ifdef INTERNAL_QSORT
	COMPAT_CFLAGS += -DINTERNAL_QSORT
	COMPAT_OBJS += compat/qsort.o
endif
ifdef RUNTIME_PREFIX
	COMPAT_CFLAGS += -DRUNTIME_PREFIX
endif

ifdef DIR_HAS_BSD_GROUP_SEMANTICS
	COMPAT_CFLAGS += -DDIR_HAS_BSD_GROUP_SEMANTICS
endif
ifdef NO_EXTERNAL_GREP
	BASIC_CFLAGS += -DNO_EXTERNAL_GREP
endif

ifeq ($(PERL_PATH),)
NO_PERL=NoThanks
endif

QUIET_SUBDIR0  = +$(MAKE) -C # space to separate -C and subdir
QUIET_SUBDIR1  =

ifneq ($(findstring $(MAKEFLAGS),w),w)
PRINT_DIR = --no-print-directory
else # "make -w"
NO_SUBDIR = :
endif

ifneq ($(findstring $(MAKEFLAGS),s),s)
ifndef V
	QUIET_CC       = @echo '   ' CC $@;
	QUIET_AR       = @echo '   ' AR $@;
	QUIET_LINK     = @echo '   ' LINK $@;
	QUIET_BUILT_IN = @echo '   ' BUILTIN $@;
	QUIET_GEN      = @echo '   ' GEN $@;
	QUIET_SUBDIR0  = +@subdir=
	QUIET_SUBDIR1  = ;$(NO_SUBDIR) echo '   ' SUBDIR $$subdir; \
			 $(MAKE) $(PRINT_DIR) -C $$subdir
	export V
	export QUIET_GEN
	export QUIET_BUILT_IN
endif
endif

ifdef ASCIIDOC8
	export ASCIIDOC8
endif

# Shell quote (do not use $(call) to accommodate ancient setups);

SHA1_HEADER_SQ = $(subst ','\'',$(SHA1_HEADER))
732
ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
733 734 735 736 737 738

DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
bindir_SQ = $(subst ','\'',$(bindir))
bindir_relative_SQ = $(subst ','\'',$(bindir_relative))
mandir_SQ = $(subst ','\'',$(mandir))
infodir_SQ = $(subst ','\'',$(infodir))
739
perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
740 741 742 743 744 745 746
template_dir_SQ = $(subst ','\'',$(template_dir))
htmldir_SQ = $(subst ','\'',$(htmldir))
prefix_SQ = $(subst ','\'',$(prefix))

SHELL_PATH_SQ = $(subst ','\'',$(SHELL_PATH))
PERL_PATH_SQ = $(subst ','\'',$(PERL_PATH))

747
LIBS = $(PERFLIBS) $(EXTLIBS)
748 749 750 751 752 753 754 755 756 757 758 759 760 761 762

BASIC_CFLAGS += -DSHA1_HEADER='$(SHA1_HEADER_SQ)' \
	$(COMPAT_CFLAGS)
LIB_OBJS += $(COMPAT_OBJS)

ALL_CFLAGS += $(BASIC_CFLAGS)
ALL_LDFLAGS += $(BASIC_LDFLAGS)

export TAR INSTALL DESTDIR SHELL_PATH


### Build rules

SHELL = $(SHELL_PATH)

763
all:: shell_compatibility_test $(ALL_PROGRAMS) $(BUILT_INS) $(OTHER_PROGRAMS) PERF-BUILD-OPTIONS
764
ifneq (,$X)
765
	$(foreach p,$(patsubst %$X,%,$(filter %$X,$(ALL_PROGRAMS) $(BUILT_INS) perf$X)), test '$p' -ef '$p$X' || $(RM) '$p';)
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endif

all::

please_set_SHELL_PATH_to_a_more_modern_shell:
	@$$(:)

shell_compatibility_test: please_set_SHELL_PATH_to_a_more_modern_shell

775 776
strip: $(PROGRAMS) perf$X
	$(STRIP) $(STRIP_OPTS) $(PROGRAMS) perf$X
777

778 779 780
perf.o: perf.c common-cmds.h PERF-CFLAGS
	$(QUIET_CC)$(CC) -DPERF_VERSION='"$(PERF_VERSION)"' \
		'-DPERF_HTML_PATH="$(htmldir_SQ)"' \
781 782
		$(ALL_CFLAGS) -c $(filter %.c,$^)

783 784
perf$X: perf.o $(BUILTIN_OBJS) $(PERFLIBS)
	$(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ perf.o \
785 786
		$(BUILTIN_OBJS) $(ALL_LDFLAGS) $(LIBS)

787
builtin-help.o: builtin-help.c common-cmds.h PERF-CFLAGS
788
	$(QUIET_CC)$(CC) -o $*.o -c $(ALL_CFLAGS) \
789 790
		'-DPERF_HTML_PATH="$(htmldir_SQ)"' \
		'-DPERF_MAN_PATH="$(mandir_SQ)"' \
A
Arjan van de Ven 已提交
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		'-DPERF_INFO_PATH="$(infodir_SQ)"' $<

builtin-timechart.o: builtin-timechart.c common-cmds.h PERF-CFLAGS
	$(QUIET_CC)$(CC) -o $*.o -c $(ALL_CFLAGS) \
		'-DPERF_HTML_PATH="$(htmldir_SQ)"' \
		'-DPERF_MAN_PATH="$(mandir_SQ)"' \
797
		'-DPERF_INFO_PATH="$(infodir_SQ)"' $<
798

799
$(BUILT_INS): perf$X
800
	$(QUIET_BUILT_IN)$(RM) $@ && \
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	ln perf$X $@ 2>/dev/null || \
	ln -s perf$X $@ 2>/dev/null || \
	cp perf$X $@
804

805
common-cmds.h: util/generate-cmdlist.sh command-list.txt
806

807
common-cmds.h: $(wildcard Documentation/perf-*.txt)
808
	$(QUIET_GEN). util/generate-cmdlist.sh > $@+ && mv $@+ $@
809 810 811 812 813 814

$(patsubst %.sh,%,$(SCRIPT_SH)) : % : %.sh
	$(QUIET_GEN)$(RM) $@ $@+ && \
	sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
	    -e 's|@SHELL_PATH@|$(SHELL_PATH_SQ)|' \
	    -e 's|@@PERL@@|$(PERL_PATH_SQ)|g' \
815
	    -e 's/@@PERF_VERSION@@/$(PERF_VERSION)/g' \
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	    -e 's/@@NO_CURL@@/$(NO_CURL)/g' \
	    $@.sh >$@+ && \
	chmod +x $@+ && \
	mv $@+ $@

configure: configure.ac
	$(QUIET_GEN)$(RM) $@ $<+ && \
823
	sed -e 's/@@PERF_VERSION@@/$(PERF_VERSION)/g' \
824 825 826 827
	    $< > $<+ && \
	autoconf -o $@ $<+ && \
	$(RM) $<+

828 829
# These can record PERF_VERSION
perf.o perf.spec \
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	$(patsubst %.sh,%,$(SCRIPT_SH)) \
	$(patsubst %.perl,%,$(SCRIPT_PERL)) \
832
	: PERF-VERSION-FILE
833

834
%.o: %.c PERF-CFLAGS
835
	$(QUIET_CC)$(CC) -o $*.o -c $(ALL_CFLAGS) $<
836
%.s: %.c PERF-CFLAGS
837 838 839 840
	$(QUIET_CC)$(CC) -S $(ALL_CFLAGS) $<
%.o: %.S
	$(QUIET_CC)$(CC) -o $*.o -c $(ALL_CFLAGS) $<

841
util/exec_cmd.o: util/exec_cmd.c PERF-CFLAGS
842
	$(QUIET_CC)$(CC) -o $*.o -c $(ALL_CFLAGS) \
843
		'-DPERF_EXEC_PATH="$(perfexecdir_SQ)"' \
844 845 846 847
		'-DBINDIR="$(bindir_relative_SQ)"' \
		'-DPREFIX="$(prefix_SQ)"' \
		$<

848 849
builtin-init-db.o: builtin-init-db.c PERF-CFLAGS
	$(QUIET_CC)$(CC) -o $*.o -c $(ALL_CFLAGS) -DDEFAULT_PERF_TEMPLATE_DIR='"$(template_dir_SQ)"' $<
850

851
util/config.o: util/config.c PERF-CFLAGS
852
	$(QUIET_CC)$(CC) -o $*.o -c $(ALL_CFLAGS) -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $<
853

854 855 856
util/rbtree.o: ../../lib/rbtree.c PERF-CFLAGS
	$(QUIET_CC)$(CC) -o util/rbtree.o -c $(ALL_CFLAGS) -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $<

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# some perf warning policies can't fit to lib/bitmap.c, eg: it warns about variable shadowing
# from <string.h> that comes from kernel headers wrapping.
KBITMAP_FLAGS=`echo $(ALL_CFLAGS) | sed s/-Wshadow// | sed s/-Wswitch-default// | sed s/-Wextra//`

util/bitmap.o: ../../lib/bitmap.c PERF-CFLAGS
	$(QUIET_CC)$(CC) -o util/bitmap.o -c $(KBITMAP_FLAGS) -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $<

util/hweight.o: ../../lib/hweight.c PERF-CFLAGS
	$(QUIET_CC)$(CC) -o util/hweight.o -c $(ALL_CFLAGS) -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $<

util/find_next_bit.o: ../../lib/find_next_bit.c PERF-CFLAGS
	$(QUIET_CC)$(CC) -o util/find_next_bit.o -c $(ALL_CFLAGS) -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $<

870
perf-%$X: %.o $(PERFLIBS)
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	$(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS)

$(LIB_OBJS) $(BUILTIN_OBJS): $(LIB_H)
874
$(patsubst perf-%$X,%.o,$(PROGRAMS)): $(LIB_H) $(wildcard */*.h)
875 876 877 878 879
builtin-revert.o wt-status.o: wt-status.h

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

880 881 882 883 884 885 886 887 888 889 890 891 892 893 894
doc:
	$(MAKE) -C Documentation all

man:
	$(MAKE) -C Documentation man

html:
	$(MAKE) -C Documentation html

info:
	$(MAKE) -C Documentation info

pdf:
	$(MAKE) -C Documentation pdf

895 896 897 898 899 900 901 902 903 904 905 906 907 908
TAGS:
	$(RM) TAGS
	$(FIND) . -name '*.[hcS]' -print | xargs etags -a

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

cscope:
	$(RM) cscope*
	$(FIND) . -name '*.[hcS]' -print | xargs cscope -b

### Detect prefix changes
TRACK_CFLAGS = $(subst ','\'',$(ALL_CFLAGS)):\
909
             $(bindir_SQ):$(perfexecdir_SQ):$(template_dir_SQ):$(prefix_SQ)
910

911
PERF-CFLAGS: .FORCE-PERF-CFLAGS
912
	@FLAGS='$(TRACK_CFLAGS)'; \
913
	    if test x"$$FLAGS" != x"`cat PERF-CFLAGS 2>/dev/null`" ; then \
914
		echo 1>&2 "    * new build flags or prefix"; \
915
		echo "$$FLAGS" >PERF-CFLAGS; \
916 917 918
            fi

# We need to apply sq twice, once to protect from the shell
919
# that runs PERF-BUILD-OPTIONS, and then again to protect it
920
# and the first level quoting from the shell that runs "echo".
921
PERF-BUILD-OPTIONS: .FORCE-PERF-BUILD-OPTIONS
922 923 924 925 926 927 928
	@echo SHELL_PATH=\''$(subst ','\'',$(SHELL_PATH_SQ))'\' >$@
	@echo TAR=\''$(subst ','\'',$(subst ','\'',$(TAR)))'\' >>$@
	@echo NO_CURL=\''$(subst ','\'',$(subst ','\'',$(NO_CURL)))'\' >>$@
	@echo NO_PERL=\''$(subst ','\'',$(subst ','\'',$(NO_PERL)))'\' >>$@

### Testing rules

929 930 931 932
#
# None right now:
#
# TEST_PROGRAMS += test-something$X
933 934 935 936 937 938 939 940 941 942 943 944

all:: $(TEST_PROGRAMS)

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

export NO_SVN_TESTS

check: common-cmds.h
	if sparse; \
	then \
945
		for i in *.c */*.c; \
946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965
		do \
			sparse $(ALL_CFLAGS) $(SPARSE_FLAGS) $$i || exit; \
		done; \
	else \
		echo 2>&1 "Did you mean 'make test'?"; \
		exit 1; \
	fi

remove-dashes:
	./fixup-builtins $(BUILT_INS) $(PROGRAMS) $(SCRIPTS)

### Installation rules

ifneq ($(filter /%,$(firstword $(template_dir))),)
template_instdir = $(template_dir)
else
template_instdir = $(prefix)/$(template_dir)
endif
export template_instdir

966 967
ifneq ($(filter /%,$(firstword $(perfexecdir))),)
perfexec_instdir = $(perfexecdir)
968
else
969
perfexec_instdir = $(prefix)/$(perfexecdir)
970
endif
971 972
perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
export perfexec_instdir
973 974 975

install: all
	$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(bindir_SQ)'
976
	$(INSTALL) perf$X '$(DESTDIR_SQ)$(bindir_SQ)'
977 978 979
ifdef BUILT_INS
	$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)'
	$(INSTALL) $(BUILT_INS) '$(DESTDIR_SQ)$(perfexec_instdir_SQ)'
980
ifneq (,$X)
981
	$(foreach p,$(patsubst %$X,%,$(filter %$X,$(ALL_PROGRAMS) $(BUILT_INS) perf$X)), $(RM) '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/$p';)
982
endif
983
endif
984

985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009
install-doc:
	$(MAKE) -C Documentation install

install-man:
	$(MAKE) -C Documentation install-man

install-html:
	$(MAKE) -C Documentation install-html

install-info:
	$(MAKE) -C Documentation install-info

install-pdf:
	$(MAKE) -C Documentation install-pdf

quick-install-doc:
	$(MAKE) -C Documentation quick-install

quick-install-man:
	$(MAKE) -C Documentation quick-install-man

quick-install-html:
	$(MAKE) -C Documentation quick-install-html


1010
### Maintainer's dist rules
1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054
#
# None right now
#
#
# perf.spec: perf.spec.in
#	sed -e 's/@@VERSION@@/$(PERF_VERSION)/g' < $< > $@+
#	mv $@+ $@
#
# PERF_TARNAME=perf-$(PERF_VERSION)
# dist: perf.spec perf-archive$(X) configure
#	./perf-archive --format=tar \
#		--prefix=$(PERF_TARNAME)/ HEAD^{tree} > $(PERF_TARNAME).tar
#	@mkdir -p $(PERF_TARNAME)
#	@cp perf.spec configure $(PERF_TARNAME)
#	@echo $(PERF_VERSION) > $(PERF_TARNAME)/version
#	$(TAR) rf $(PERF_TARNAME).tar \
#		$(PERF_TARNAME)/perf.spec \
#		$(PERF_TARNAME)/configure \
#		$(PERF_TARNAME)/version
#	@$(RM) -r $(PERF_TARNAME)
#	gzip -f -9 $(PERF_TARNAME).tar
#
# htmldocs = perf-htmldocs-$(PERF_VERSION)
# manpages = perf-manpages-$(PERF_VERSION)
# dist-doc:
#	$(RM) -r .doc-tmp-dir
#	mkdir .doc-tmp-dir
#	$(MAKE) -C Documentation WEBDOC_DEST=../.doc-tmp-dir install-webdoc
#	cd .doc-tmp-dir && $(TAR) cf ../$(htmldocs).tar .
#	gzip -n -9 -f $(htmldocs).tar
#	:
#	$(RM) -r .doc-tmp-dir
#	mkdir -p .doc-tmp-dir/man1 .doc-tmp-dir/man5 .doc-tmp-dir/man7
#	$(MAKE) -C Documentation DESTDIR=./ \
#		man1dir=../.doc-tmp-dir/man1 \
#		man5dir=../.doc-tmp-dir/man5 \
#		man7dir=../.doc-tmp-dir/man7 \
#		install
#	cd .doc-tmp-dir && $(TAR) cf ../$(manpages).tar .
#	gzip -n -9 -f $(manpages).tar
#	$(RM) -r .doc-tmp-dir
#
# rpm: dist
#	$(RPMBUILD) -ta $(PERF_TARNAME).tar.gz
1055 1056 1057 1058

### Cleaning rules

distclean: clean
1059
#	$(RM) configure
1060 1061

clean:
1062
	$(RM) *.o */*.o $(LIB_FILE)
1063
	$(RM) $(ALL_PROGRAMS) $(BUILT_INS) perf$X
1064 1065 1066 1067
	$(RM) $(TEST_PROGRAMS)
	$(RM) *.spec *.pyc *.pyo */*.pyc */*.pyo common-cmds.h TAGS tags cscope*
	$(RM) -r autom4te.cache
	$(RM) config.log config.mak.autogen config.mak.append config.status config.cache
1068 1069
	$(RM) -r $(PERF_TARNAME) .doc-tmp-dir
	$(RM) $(PERF_TARNAME).tar.gz perf-core_$(PERF_VERSION)-*.tar.gz
1070
	$(RM) $(htmldocs).tar.gz $(manpages).tar.gz
1071
	$(MAKE) -C Documentation/ clean
1072
	$(RM) PERF-VERSION-FILE PERF-CFLAGS PERF-BUILD-OPTIONS
1073 1074 1075

.PHONY: all install clean strip
.PHONY: shell_compatibility_test please_set_SHELL_PATH_to_a_more_modern_shell
1076 1077
.PHONY: .FORCE-PERF-VERSION-FILE TAGS tags cscope .FORCE-PERF-CFLAGS
.PHONY: .FORCE-PERF-BUILD-OPTIONS
1078

1079
### Make sure built-ins do not have dups and listed in perf.c
1080 1081 1082 1083 1084 1085
#
check-builtins::
	./check-builtins.sh

### Test suite coverage testing
#
1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109
# None right now
#
# .PHONY: coverage coverage-clean coverage-build coverage-report
#
# coverage:
#	$(MAKE) coverage-build
#	$(MAKE) coverage-report
#
# coverage-clean:
#	rm -f *.gcda *.gcno
#
# COVERAGE_CFLAGS = $(CFLAGS) -O0 -ftest-coverage -fprofile-arcs
# COVERAGE_LDFLAGS = $(CFLAGS)  -O0 -lgcov
#
# coverage-build: coverage-clean
#	$(MAKE) CFLAGS="$(COVERAGE_CFLAGS)" LDFLAGS="$(COVERAGE_LDFLAGS)" all
#	$(MAKE) CFLAGS="$(COVERAGE_CFLAGS)" LDFLAGS="$(COVERAGE_LDFLAGS)" \
#		-j1 test
#
# coverage-report:
#	gcov -b *.c */*.c
#	grep '^function.*called 0 ' *.c.gcov */*.c.gcov \
#		| sed -e 's/\([^:]*\)\.gcov: *function \([^ ]*\) called.*/\1: \2/' \
#		| tee coverage-untested-functions