tools/perf/Makefile.perf

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 include ../scripts/Makefile.include
   3 include ../scripts/Makefile.arch
   4
   5 # The default target of this Makefile is...
   6 all:
   7
   8 include ../scripts/utilities.mak
   9
  10 # Define V to have a more verbose compile.
  11 #
  12 # Define VF to have a more verbose feature check output.
  13 #
  14 # Define O to save output files in a separate directory.
  15 #
  16 # Define ARCH as name of target architecture if you want cross-builds.
  17 #
  18 # Define CROSS_COMPILE as prefix name of compiler if you want cross-builds.
  19 #
  20 # Define NO_LIBPERL to disable perl script extension.
  21 #
  22 # Define NO_LIBPYTHON to disable python script extension.
  23 #
  24 # Define PYTHON to point to the python binary if the default
  25 # `python' is not correct; for example: PYTHON=python2
  26 #
  27 # Define PYTHON_CONFIG to point to the python-config binary if
  28 # the default `$(PYTHON)-config' is not correct.
  29 #
  30 # Define ASCIIDOC8 if you want to format documentation with AsciiDoc 8
  31 #
  32 # Define DOCBOOK_XSL_172 if you want to format man pages with DocBook XSL v1.72.
  33 #
  34 # Define LDFLAGS=-static to build a static binary.
  35 #
  36 # Define EXTRA_CFLAGS=-m64 or EXTRA_CFLAGS=-m32 as appropriate for cross-builds.
  37 #
  38 # Define EXCLUDE_EXTLIBS=-lmylib to exclude libmylib from the auto-generated
  39 # EXTLIBS.
  40 #
  41 # Define EXTRA_PERFLIBS to pass extra libraries to PERFLIBS.
  42 #
  43 # Define NO_DWARF if you do not want debug-info analysis feature at all.
  44 #
  45 # Define WERROR=0 to disable treating any warnings as errors.
  46 #
  47 # Define NO_SLANG if you do not want TUI support.
  48 #
  49 # Define GTK2 if you want GTK+ GUI support.
  50 #
  51 # Define NO_DEMANGLE if you do not want C++ symbol demangling.
  52 #
  53 # Define NO_LIBELF if you do not want libelf dependency (e.g. cross-builds)
  54 #
  55 # Define NO_LIBUNWIND if you do not want libunwind dependency for dwarf
  56 # backtrace post unwind.
  57 #
  58 # Define NO_BACKTRACE if you do not want stack backtrace debug feature
  59 #
  60 # Define NO_LIBNUMA if you do not want numa perf benchmark
  61 #
  62 # Define NO_LIBAUDIT if you do not want libaudit support
  63 #
  64 # Define NO_LIBBIONIC if you do not want bionic support
  65 #
  66 # Define NO_LIBCRYPTO if you do not want libcrypto (openssl) support
  67 # used for generating build-ids for ELFs generated by jitdump.
  68 #
  69 # Define NO_LIBDW_DWARF_UNWIND if you do not want libdw support
  70 # for dwarf backtrace post unwind.
  71 #
  72 # Define NO_LIBTRACEEVENT=1 if you don't want libtraceevent to be linked,
  73 # this will remove multiple features and tools, such as 'perf trace',
  74 # that need it to read tracefs event format files, etc.
  75 #
  76 # Define NO_PERF_READ_VDSO32 if you do not want to build perf-read-vdso32
  77 # for reading the 32-bit compatibility VDSO in 64-bit mode
  78 #
  79 # Define NO_PERF_READ_VDSOX32 if you do not want to build perf-read-vdsox32
  80 # for reading the x32 mode 32-bit compatibility VDSO in 64-bit mode
  81 #
  82 # Define NO_ZLIB if you do not want to support compressed kernel modules
  83 #
  84 # Define NO_LIBBABELTRACE if you do not want libbabeltrace support
  85 # for CTF data format.
  86 #
  87 # Define NO_CAPSTONE if you do not want libcapstone support
  88 # for disasm engine.
  89 #
  90 # Define NO_LZMA if you do not want to support compressed (xz) kernel modules
  91 #
  92 # Define NO_AUXTRACE if you do not want AUX area tracing support
  93 #
  94 # Define NO_LIBBPF if you do not want BPF support
  95 #
  96 # Define NO_LIBCAP if you do not want process capabilities considered by perf
  97 #
  98 # Define NO_SDT if you do not want to define SDT event in perf tools,
  99 # note that it doesn't disable SDT scanning support.
 100 #
 101 # Define FEATURES_DUMP to provide features detection dump file
 102 # and bypass the feature detection
 103 #
 104 # Define NO_JVMTI if you do not want jvmti agent built
 105 #
 106 # Define NO_JVMTI_CMLR (debug only) if you do not want to process CMLR
 107 # data for java source lines.
 108 #
 109 # Define CORESIGHT if you DO WANT support for CoreSight trace decoding.
 110 #
 111 # Define NO_AIO if you do not want support of Posix AIO based trace
 112 # streaming for record mode. Currently Posix AIO trace streaming is
 113 # supported only when linking with glibc.
 114 #
 115 # Define NO_LIBZSTD if you do not want support of Zstandard based runtime
 116 # trace compression in record mode.
 117 #
 118 # Define TCMALLOC to enable tcmalloc heap profiling.
 119 #
 120 # Define LIBBPF_DYNAMIC to enable libbpf dynamic linking.
 121 #
 122 # Define NO_SYSCALL_TABLE=1 to disable the use of syscall id to/from name tables
 123 # generated from the kernel .tbl or unistd.h files and use, if available, libaudit
 124 # for doing the conversions to/from strings/id.
 125 #
 126 # Define NO_LIBPFM4 to disable libpfm4 events extension.
 127 #
 128 # Define NO_LIBDEBUGINFOD if you do not want support debuginfod
 129 #
 130 # Set BUILD_BPF_SKEL to 0 to override BUILD_BPF_SKEL and not build BPF skeletons
 131 #
 132 # Define BUILD_NONDISTRO to enable building an linking against libbfd and
 133 # libiberty distribution license incompatible libraries.
 134 #
 135 # Define EXTRA_TESTS to enable building extra tests useful mainly to perf
 136 # developers, such as:
 137 #       x86 instruction decoder - new instructions test
 138 #
 139 # Define GEN_VMLINUX_H to generate vmlinux.h from the BTF.
 140 #
 141 # Define NO_SHELLCHECK if you do not want to run shellcheck during build
 142
 143 # As per kernel Makefile, avoid funny character set dependencies
 144 unexport LC_ALL
 145 LC_COLLATE=C
 146 LC_NUMERIC=C
 147 export LC_COLLATE LC_NUMERIC
 148
 149 ifeq ($(srctree),)
 150 srctree := $(patsubst %/,%,$(dir $(CURDIR)))
 151 srctree := $(patsubst %/,%,$(dir $(srctree)))
 152 #$(info Determined 'srctree' to be $(srctree))
 153 endif
 154
 155 ifneq ($(objtree),)
 156 #$(info Determined 'objtree' to be $(objtree))
 157 endif
 158
 159 ifneq ($(OUTPUT),)
 160 #$(info Determined 'OUTPUT' to be $(OUTPUT))
 161 # Adding $(OUTPUT) as a directory to look for source files,
 162 # because use generated output files as sources dependency
 163 # for flex/bison parsers.
 164 VPATH += $(OUTPUT)
 165 export VPATH
 166 endif
 167
 168 ifeq ($(V),1)
 169   Q =
 170 else
 171   Q = @
 172 endif
 173
 174 # Do not use make's built-in rules
 175 # (this improves performance and avoids hard-to-debug behaviour);
 176 MAKEFLAGS += -r
 177
 178 # Makefiles suck: This macro sets a default value of $(2) for the
 179 # variable named by $(1), unless the variable has been set by
 180 # environment or command line. This is necessary for CC and AR
 181 # because make sets default values, so the simpler ?= approach
 182 # won't work as expected.
 183 define allow-override
 184   $(if $(or $(findstring environment,$(origin $(1))),\
 185             $(findstring command line,$(origin $(1)))),,\
 186     $(eval $(1) = $(2)))
 187 endef
 188
 189 LD += $(EXTRA_LDFLAGS)
 190
 191 HOSTCC  ?= gcc
 192 HOSTLD  ?= ld
 193 HOSTAR  ?= ar
 194 CLANG   ?= clang
 195
 196 PKG_CONFIG = $(CROSS_COMPILE)pkg-config
 197
 198 RM      = rm -f
 199 LN      = ln -f
 200 MKDIR   = mkdir
 201 FIND    = find
 202 INSTALL = install
 203 FLEX    ?= flex
 204 BISON   ?= bison
 205 STRIP   = strip
 206 AWK     = awk
 207 READELF ?= readelf
 208
 209 # include Makefile.config by default and rule out
 210 # non-config cases
 211 config := 1
 212
 213 NON_CONFIG_TARGETS := clean python-clean TAGS tags cscope help
 214
 215 ifdef MAKECMDGOALS
 216 ifeq ($(filter-out $(NON_CONFIG_TARGETS),$(MAKECMDGOALS)),)
 217   config := 0
 218 endif
 219 endif
 220
 221 # The fixdep build - we force fixdep tool to be built as
 222 # the first target in the separate make session not to be
 223 # disturbed by any parallel make jobs. Once fixdep is done
 224 # we issue the requested build with FIXDEP=1 variable.
 225 #
 226 # The fixdep build is disabled for $(NON_CONFIG_TARGETS)
 227 # targets, because it's not necessary.
 228
 229 ifdef FIXDEP
 230   force_fixdep := 0
 231 else
 232   force_fixdep := $(config)
 233 endif
 234
 235 # Runs shellcheck on perf test shell scripts
 236 ifeq ($(NO_SHELLCHECK),1)
 237   SHELLCHECK :=
 238 else
 239   SHELLCHECK := $(shell which shellcheck 2> /dev/null)
 240 endif
 241
 242 # shellcheck is using in tools/perf/tests/Build with option -a/--check-sourced (
 243 # introduced in v0.4.7) and -S/--severity (introduced in v0.6.0). So make the
 244 # minimal shellcheck version as v0.6.0.
 245 ifneq ($(SHELLCHECK),)
 246   ifeq ($(shell expr $(shell $(SHELLCHECK) --version | grep version: | \
 247         sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \< 060), 1)
 248     SHELLCHECK :=
 249   endif
 250 endif
 251
 252 export srctree OUTPUT RM CC CXX LD AR CFLAGS CXXFLAGS V BISON FLEX AWK
 253 export HOSTCC HOSTLD HOSTAR HOSTCFLAGS SHELLCHECK
 254
 255 include $(srctree)/tools/build/Makefile.include
 256
 257 ifeq ($(force_fixdep),1)
 258 goals := $(filter-out all sub-make, $(MAKECMDGOALS))
 259
 260 $(goals) all: sub-make
 261
 262 sub-make: fixdep
 263         @./check-headers.sh
 264         $(Q)$(MAKE) FIXDEP=1 -f Makefile.perf $(goals)
 265
 266 else # force_fixdep
 267
 268 LIBAPI_DIR      = $(srctree)/tools/lib/api/
 269 LIBBPF_DIR      = $(srctree)/tools/lib/bpf/
 270 LIBSUBCMD_DIR   = $(srctree)/tools/lib/subcmd/
 271 LIBSYMBOL_DIR   = $(srctree)/tools/lib/symbol/
 272 LIBPERF_DIR     = $(srctree)/tools/lib/perf/
 273 DOC_DIR         = $(srctree)/tools/perf/Documentation/
 274
 275 # Set FEATURE_TESTS to 'all' so all possible feature checkers are executed.
 276 # Without this setting the output feature dump file misses some features, for
 277 # example, liberty. Select all checkers so we won't get an incomplete feature
 278 # dump file.
 279 ifeq ($(config),1)
 280 ifdef MAKECMDGOALS
 281 ifeq ($(filter feature-dump,$(MAKECMDGOALS)),feature-dump)
 282 FEATURE_TESTS := all
 283 endif
 284 endif
 285 include Makefile.config
 286 endif
 287
 288 ifeq ($(config),0)
 289 include $(srctree)/tools/scripts/Makefile.arch
 290 -include arch/$(SRCARCH)/Makefile
 291 endif
 292
 293 # The FEATURE_DUMP_EXPORT holds location of the actual
 294 # FEATURE_DUMP file to be used to bypass feature detection
 295 # (for bpf or any other subproject)
 296 ifeq ($(FEATURES_DUMP),)
 297 FEATURE_DUMP_EXPORT := $(realpath $(OUTPUT)FEATURE-DUMP)
 298 else
 299 FEATURE_DUMP_EXPORT := $(realpath $(FEATURES_DUMP))
 300 endif
 301
 302 export prefix bindir sharedir sysconfdir DESTDIR
 303
 304 # sparse is architecture-neutral, which means that we need to tell it
 305 # explicitly what architecture to check for. Fix this up for yours..
 306 SPARSE_FLAGS = -D__BIG_ENDIAN__ -D__powerpc__
 307
 308 # Guard against environment variables
 309 PYRF_OBJS =
 310 SCRIPT_SH =
 311
 312 SCRIPT_SH += perf-archive.sh
 313 SCRIPT_SH += perf-iostat.sh
 314
 315 grep-libs = $(filter -l%,$(1))
 316 strip-libs = $(filter-out -l%,$(1))
 317
 318 ifneq ($(OUTPUT),)
 319   LIBAPI_OUTPUT = $(abspath $(OUTPUT))/libapi
 320 else
 321   LIBAPI_OUTPUT = $(CURDIR)/libapi
 322 endif
 323 LIBAPI_DESTDIR = $(LIBAPI_OUTPUT)
 324 LIBAPI_INCLUDE = $(LIBAPI_DESTDIR)/include
 325 LIBAPI = $(LIBAPI_OUTPUT)/libapi.a
 326 export LIBAPI
 327 CFLAGS += -I$(LIBAPI_OUTPUT)/include
 328
 329 ifneq ($(OUTPUT),)
 330   LIBBPF_OUTPUT = $(abspath $(OUTPUT))/libbpf
 331 else
 332   LIBBPF_OUTPUT = $(CURDIR)/libbpf
 333 endif
 334 ifdef LIBBPF_STATIC
 335   LIBBPF_DESTDIR = $(LIBBPF_OUTPUT)
 336   LIBBPF_INCLUDE = $(LIBBPF_DESTDIR)/include
 337   LIBBPF = $(LIBBPF_OUTPUT)/libbpf.a
 338   CFLAGS += -I$(LIBBPF_OUTPUT)/include
 339 endif
 340
 341 ifneq ($(OUTPUT),)
 342   LIBSUBCMD_OUTPUT = $(abspath $(OUTPUT))/libsubcmd
 343 else
 344   LIBSUBCMD_OUTPUT = $(CURDIR)/libsubcmd
 345 endif
 346 LIBSUBCMD_DESTDIR = $(LIBSUBCMD_OUTPUT)
 347 LIBSUBCMD_INCLUDE = $(LIBSUBCMD_DESTDIR)/include
 348 LIBSUBCMD = $(LIBSUBCMD_OUTPUT)/libsubcmd.a
 349 CFLAGS += -I$(LIBSUBCMD_OUTPUT)/include
 350
 351 ifneq ($(OUTPUT),)
 352   LIBSYMBOL_OUTPUT = $(abspath $(OUTPUT))/libsymbol
 353 else
 354   LIBSYMBOL_OUTPUT = $(CURDIR)/libsymbol
 355 endif
 356 LIBSYMBOL_DESTDIR = $(LIBSYMBOL_OUTPUT)
 357 LIBSYMBOL_INCLUDE = $(LIBSYMBOL_DESTDIR)/include
 358 LIBSYMBOL = $(LIBSYMBOL_OUTPUT)/libsymbol.a
 359 CFLAGS += -I$(LIBSYMBOL_OUTPUT)/include
 360
 361 ifneq ($(OUTPUT),)
 362   LIBPERF_OUTPUT = $(abspath $(OUTPUT))/libperf
 363 else
 364   LIBPERF_OUTPUT = $(CURDIR)/libperf
 365 endif
 366 LIBPERF_DESTDIR = $(LIBPERF_OUTPUT)
 367 LIBPERF_INCLUDE = $(LIBPERF_DESTDIR)/include
 368 LIBPERF = $(LIBPERF_OUTPUT)/libperf.a
 369 export LIBPERF
 370 CFLAGS += -I$(LIBPERF_OUTPUT)/include
 371
 372 # python extension build directories
 373 PYTHON_EXTBUILD     := $(OUTPUT)python_ext_build/
 374 PYTHON_EXTBUILD_LIB := $(PYTHON_EXTBUILD)lib/
 375 PYTHON_EXTBUILD_TMP := $(PYTHON_EXTBUILD)tmp/
 376 export PYTHON_EXTBUILD_LIB PYTHON_EXTBUILD_TMP
 377
 378 python-clean := $(call QUIET_CLEAN, python) $(RM) -r $(PYTHON_EXTBUILD) $(OUTPUT)python/perf*.so
 379
 380 # Use the detected configuration
 381 -include $(OUTPUT).config-detected
 382
 383 ifeq ($(CONFIG_LIBTRACEEVENT),y)
 384   PYTHON_EXT_SRCS := $(shell grep -v ^\# util/python-ext-sources)
 385 else
 386   PYTHON_EXT_SRCS := $(shell grep -v ^\#\\\|util/trace-event.c\\\|util/trace-event-parse.c util/python-ext-sources)
 387 endif
 388
 389 PYTHON_EXT_DEPS := util/python-ext-sources util/setup.py $(LIBAPI)
 390
 391 SCRIPTS = $(patsubst %.sh,%,$(SCRIPT_SH))
 392
 393 PROGRAMS += $(OUTPUT)perf
 394
 395 ifndef NO_PERF_READ_VDSO32
 396 PROGRAMS += $(OUTPUT)perf-read-vdso32
 397 endif
 398
 399 ifndef NO_PERF_READ_VDSOX32
 400 PROGRAMS += $(OUTPUT)perf-read-vdsox32
 401 endif
 402
 403 LIBJVMTI = libperf-jvmti.so
 404
 405 ifndef NO_JVMTI
 406 PROGRAMS += $(OUTPUT)$(LIBJVMTI)
 407 endif
 408
 409 DLFILTERS := dlfilter-test-api-v0.so dlfilter-test-api-v2.so dlfilter-show-cycles.so
 410 DLFILTERS := $(patsubst %,$(OUTPUT)dlfilters/%,$(DLFILTERS))
 411
 412 # what 'all' will build and 'install' will install, in perfexecdir
 413 ALL_PROGRAMS = $(PROGRAMS) $(SCRIPTS) $(DLFILTERS)
 414
 415 # what 'all' will build but not install in perfexecdir
 416 OTHER_PROGRAMS = $(OUTPUT)perf
 417
 418 # Set paths to tools early so that they can be used for version tests.
 419 ifndef SHELL_PATH
 420   SHELL_PATH = /bin/sh
 421 endif
 422 ifndef PERL_PATH
 423   PERL_PATH = /usr/bin/perl
 424 endif
 425
 426 export PERL_PATH
 427
 428 PERFLIBS = $(LIBAPI) $(LIBPERF) $(LIBSUBCMD) $(LIBSYMBOL)
 429 ifdef LIBBPF_STATIC
 430   PERFLIBS += $(LIBBPF)
 431 endif
 432
 433 # We choose to avoid "if .. else if .. else .. endif endif"
 434 # because maintaining the nesting to match is a pain.  If
 435 # we had "elif" things would have been much nicer...
 436
 437 ifneq ($(OUTPUT),)
 438   CFLAGS += -I$(OUTPUT)
 439 endif
 440
 441 ifdef GTK2
 442   ALL_PROGRAMS += $(OUTPUT)libperf-gtk.so
 443   GTK_IN := $(OUTPUT)gtk-in.o
 444 endif
 445
 446 ifdef ASCIIDOC8
 447   export ASCIIDOC8
 448 endif
 449
 450 EXTLIBS := $(call filter-out,$(EXCLUDE_EXTLIBS),$(EXTLIBS))
 451 LIBS = -Wl,--whole-archive $(PERFLIBS) $(EXTRA_PERFLIBS) -Wl,--no-whole-archive -Wl,--start-group $(EXTLIBS) -Wl,--end-group
 452
 453 export INSTALL SHELL_PATH
 454
 455 ### Build rules
 456
 457 SHELL = $(SHELL_PATH)
 458
 459 arm64_gen_sysreg_dir := $(srctree)/tools/arch/arm64/tools
 460 ifneq ($(OUTPUT),)
 461   arm64_gen_sysreg_outdir := $(OUTPUT)
 462 else
 463   arm64_gen_sysreg_outdir := $(CURDIR)
 464 endif
 465
 466 arm64-sysreg-defs: FORCE
 467         $(Q)$(MAKE) -C $(arm64_gen_sysreg_dir) O=$(arm64_gen_sysreg_outdir)
 468
 469 arm64-sysreg-defs-clean:
 470         $(call QUIET_CLEAN,arm64-sysreg-defs)
 471         $(Q)$(MAKE) -C $(arm64_gen_sysreg_dir) O=$(arm64_gen_sysreg_outdir) \
 472                 clean > /dev/null
 473
 474 beauty_linux_dir := $(srctree)/tools/perf/trace/beauty/include/linux/
 475 linux_uapi_dir := $(srctree)/tools/include/uapi/linux
 476 asm_generic_uapi_dir := $(srctree)/tools/include/uapi/asm-generic
 477 arch_asm_uapi_dir := $(srctree)/tools/arch/$(SRCARCH)/include/uapi/asm/
 478 x86_arch_asm_uapi_dir := $(srctree)/tools/arch/x86/include/uapi/asm/
 479 x86_arch_asm_dir := $(srctree)/tools/arch/x86/include/asm/
 480
 481 beauty_outdir := $(OUTPUT)trace/beauty/generated
 482 beauty_ioctl_outdir := $(beauty_outdir)/ioctl
 483 drm_ioctl_array := $(beauty_ioctl_outdir)/drm_ioctl_array.c
 484 drm_hdr_dir := $(srctree)/tools/include/uapi/drm
 485 drm_ioctl_tbl := $(srctree)/tools/perf/trace/beauty/drm_ioctl.sh
 486
 487 # Create output directory if not already present
 488 $(shell [ -d '$(beauty_ioctl_outdir)' ] || mkdir -p '$(beauty_ioctl_outdir)')
 489
 490 $(drm_ioctl_array): $(drm_hdr_dir)/drm.h $(drm_hdr_dir)/i915_drm.h $(drm_ioctl_tbl)
 491         $(Q)$(SHELL) '$(drm_ioctl_tbl)' $(drm_hdr_dir) > $@
 492
 493 fadvise_advice_array := $(beauty_outdir)/fadvise_advice_array.c
 494 fadvise_advice_tbl := $(srctree)/tools/perf/trace/beauty/fadvise.sh
 495
 496 $(fadvise_advice_array): $(linux_uapi_dir)/in.h $(fadvise_advice_tbl)
 497         $(Q)$(SHELL) '$(fadvise_advice_tbl)' $(linux_uapi_dir) > $@
 498
 499 fsmount_arrays := $(beauty_outdir)/fsmount_arrays.c
 500 fsmount_tbls := $(srctree)/tools/perf/trace/beauty/fsmount.sh
 501
 502 $(fsmount_arrays): $(linux_uapi_dir)/fs.h $(fsmount_tbls)
 503         $(Q)$(SHELL) '$(fsmount_tbls)' $(linux_uapi_dir) > $@
 504
 505 fspick_arrays := $(beauty_outdir)/fspick_arrays.c
 506 fspick_tbls := $(srctree)/tools/perf/trace/beauty/fspick.sh
 507
 508 $(fspick_arrays): $(linux_uapi_dir)/fs.h $(fspick_tbls)
 509         $(Q)$(SHELL) '$(fspick_tbls)' $(linux_uapi_dir) > $@
 510
 511 fsconfig_arrays := $(beauty_outdir)/fsconfig_arrays.c
 512 fsconfig_tbls := $(srctree)/tools/perf/trace/beauty/fsconfig.sh
 513
 514 $(fsconfig_arrays): $(linux_uapi_dir)/fs.h $(fsconfig_tbls)
 515         $(Q)$(SHELL) '$(fsconfig_tbls)' $(linux_uapi_dir) > $@
 516
 517 pkey_alloc_access_rights_array := $(beauty_outdir)/pkey_alloc_access_rights_array.c
 518 asm_generic_hdr_dir := $(srctree)/tools/include/uapi/asm-generic/
 519 pkey_alloc_access_rights_tbl := $(srctree)/tools/perf/trace/beauty/pkey_alloc_access_rights.sh
 520
 521 $(pkey_alloc_access_rights_array): $(asm_generic_hdr_dir)/mman-common.h $(pkey_alloc_access_rights_tbl)
 522         $(Q)$(SHELL) '$(pkey_alloc_access_rights_tbl)' $(asm_generic_hdr_dir) > $@
 523
 524 sndrv_ctl_ioctl_array := $(beauty_ioctl_outdir)/sndrv_ctl_ioctl_array.c
 525 sndrv_ctl_hdr_dir := $(srctree)/tools/include/uapi/sound
 526 sndrv_ctl_ioctl_tbl := $(srctree)/tools/perf/trace/beauty/sndrv_ctl_ioctl.sh
 527
 528 $(sndrv_ctl_ioctl_array): $(sndrv_ctl_hdr_dir)/asound.h $(sndrv_ctl_ioctl_tbl)
 529         $(Q)$(SHELL) '$(sndrv_ctl_ioctl_tbl)' $(sndrv_ctl_hdr_dir) > $@
 530
 531 sndrv_pcm_ioctl_array := $(beauty_ioctl_outdir)/sndrv_pcm_ioctl_array.c
 532 sndrv_pcm_hdr_dir := $(srctree)/tools/include/uapi/sound
 533 sndrv_pcm_ioctl_tbl := $(srctree)/tools/perf/trace/beauty/sndrv_pcm_ioctl.sh
 534
 535 $(sndrv_pcm_ioctl_array): $(sndrv_pcm_hdr_dir)/asound.h $(sndrv_pcm_ioctl_tbl)
 536         $(Q)$(SHELL) '$(sndrv_pcm_ioctl_tbl)' $(sndrv_pcm_hdr_dir) > $@
 537
 538 kcmp_type_array := $(beauty_outdir)/kcmp_type_array.c
 539 kcmp_hdr_dir := $(srctree)/tools/include/uapi/linux/
 540 kcmp_type_tbl := $(srctree)/tools/perf/trace/beauty/kcmp_type.sh
 541
 542 $(kcmp_type_array): $(kcmp_hdr_dir)/kcmp.h $(kcmp_type_tbl)
 543         $(Q)$(SHELL) '$(kcmp_type_tbl)' $(kcmp_hdr_dir) > $@
 544
 545 kvm_ioctl_array := $(beauty_ioctl_outdir)/kvm_ioctl_array.c
 546 kvm_hdr_dir := $(srctree)/tools/include/uapi/linux
 547 kvm_ioctl_tbl := $(srctree)/tools/perf/trace/beauty/kvm_ioctl.sh
 548
 549 $(kvm_ioctl_array): $(kvm_hdr_dir)/kvm.h $(kvm_ioctl_tbl)
 550         $(Q)$(SHELL) '$(kvm_ioctl_tbl)' $(kvm_hdr_dir) > $@
 551
 552 socket_arrays := $(beauty_outdir)/socket.c
 553 socket_tbl := $(srctree)/tools/perf/trace/beauty/socket.sh
 554
 555 $(socket_arrays): $(linux_uapi_dir)/in.h $(beauty_linux_dir)/socket.h $(socket_tbl)
 556         $(Q)$(SHELL) '$(socket_tbl)' $(linux_uapi_dir) $(beauty_linux_dir) > $@
 557
 558 sockaddr_arrays := $(beauty_outdir)/sockaddr.c
 559 sockaddr_tbl := $(srctree)/tools/perf/trace/beauty/sockaddr.sh
 560
 561 $(sockaddr_arrays): $(beauty_linux_dir)/socket.h $(sockaddr_tbl)
 562         $(Q)$(SHELL) '$(sockaddr_tbl)' $(beauty_linux_dir) > $@
 563
 564 vhost_virtio_ioctl_array := $(beauty_ioctl_outdir)/vhost_virtio_ioctl_array.c
 565 vhost_virtio_hdr_dir := $(srctree)/tools/include/uapi/linux
 566 vhost_virtio_ioctl_tbl := $(srctree)/tools/perf/trace/beauty/vhost_virtio_ioctl.sh
 567
 568 $(vhost_virtio_ioctl_array): $(vhost_virtio_hdr_dir)/vhost.h $(vhost_virtio_ioctl_tbl)
 569         $(Q)$(SHELL) '$(vhost_virtio_ioctl_tbl)' $(vhost_virtio_hdr_dir) > $@
 570
 571 perf_ioctl_array := $(beauty_ioctl_outdir)/perf_ioctl_array.c
 572 perf_hdr_dir := $(srctree)/tools/include/uapi/linux
 573 perf_ioctl_tbl := $(srctree)/tools/perf/trace/beauty/perf_ioctl.sh
 574
 575 $(perf_ioctl_array): $(perf_hdr_dir)/perf_event.h $(perf_ioctl_tbl)
 576         $(Q)$(SHELL) '$(perf_ioctl_tbl)' $(perf_hdr_dir) > $@
 577
 578 madvise_behavior_array := $(beauty_outdir)/madvise_behavior_array.c
 579 madvise_hdr_dir := $(srctree)/tools/include/uapi/asm-generic/
 580 madvise_behavior_tbl := $(srctree)/tools/perf/trace/beauty/madvise_behavior.sh
 581
 582 $(madvise_behavior_array): $(madvise_hdr_dir)/mman-common.h $(madvise_behavior_tbl)
 583         $(Q)$(SHELL) '$(madvise_behavior_tbl)' $(madvise_hdr_dir) > $@
 584
 585 mmap_flags_array := $(beauty_outdir)/mmap_flags_array.c
 586 mmap_flags_tbl := $(srctree)/tools/perf/trace/beauty/mmap_flags.sh
 587
 588 $(mmap_flags_array): $(linux_uapi_dir)/mman.h $(asm_generic_uapi_dir)/mman.h $(asm_generic_uapi_dir)/mman-common.h $(mmap_flags_tbl)
 589         $(Q)$(SHELL) '$(mmap_flags_tbl)' $(linux_uapi_dir) $(asm_generic_uapi_dir) $(arch_asm_uapi_dir) > $@
 590
 591 mremap_flags_array := $(beauty_outdir)/mremap_flags_array.c
 592 mremap_flags_tbl := $(srctree)/tools/perf/trace/beauty/mremap_flags.sh
 593
 594 $(mremap_flags_array): $(linux_uapi_dir)/mman.h $(mremap_flags_tbl)
 595         $(Q)$(SHELL) '$(mremap_flags_tbl)' $(linux_uapi_dir) > $@
 596
 597 mount_flags_array := $(beauty_outdir)/mount_flags_array.c
 598 mount_flags_tbl := $(srctree)/tools/perf/trace/beauty/mount_flags.sh
 599
 600 $(mount_flags_array): $(linux_uapi_dir)/fs.h $(mount_flags_tbl)
 601         $(Q)$(SHELL) '$(mount_flags_tbl)' $(linux_uapi_dir) > $@
 602
 603 move_mount_flags_array := $(beauty_outdir)/move_mount_flags_array.c
 604 move_mount_flags_tbl := $(srctree)/tools/perf/trace/beauty/move_mount_flags.sh
 605
 606 $(move_mount_flags_array): $(linux_uapi_dir)/fs.h $(move_mount_flags_tbl)
 607         $(Q)$(SHELL) '$(move_mount_flags_tbl)' $(linux_uapi_dir) > $@
 608
 609
 610 mmap_prot_array := $(beauty_outdir)/mmap_prot_array.c
 611 mmap_prot_tbl := $(srctree)/tools/perf/trace/beauty/mmap_prot.sh
 612
 613 $(mmap_prot_array): $(asm_generic_uapi_dir)/mman.h $(asm_generic_uapi_dir)/mman-common.h $(mmap_prot_tbl)
 614         $(Q)$(SHELL) '$(mmap_prot_tbl)' $(asm_generic_uapi_dir) $(arch_asm_uapi_dir) > $@
 615
 616 prctl_option_array := $(beauty_outdir)/prctl_option_array.c
 617 prctl_hdr_dir := $(srctree)/tools/include/uapi/linux/
 618 prctl_option_tbl := $(srctree)/tools/perf/trace/beauty/prctl_option.sh
 619
 620 $(prctl_option_array): $(prctl_hdr_dir)/prctl.h $(prctl_option_tbl)
 621         $(Q)$(SHELL) '$(prctl_option_tbl)' $(prctl_hdr_dir) > $@
 622
 623 usbdevfs_ioctl_array := $(beauty_ioctl_outdir)/usbdevfs_ioctl_array.c
 624 usbdevfs_ioctl_tbl := $(srctree)/tools/perf/trace/beauty/usbdevfs_ioctl.sh
 625
 626 $(usbdevfs_ioctl_array): $(linux_uapi_dir)/usbdevice_fs.h $(usbdevfs_ioctl_tbl)
 627         $(Q)$(SHELL) '$(usbdevfs_ioctl_tbl)' $(linux_uapi_dir) > $@
 628
 629 x86_arch_prctl_code_array := $(beauty_outdir)/x86_arch_prctl_code_array.c
 630 x86_arch_prctl_code_tbl := $(srctree)/tools/perf/trace/beauty/x86_arch_prctl.sh
 631
 632 $(x86_arch_prctl_code_array): $(x86_arch_asm_uapi_dir)/prctl.h $(x86_arch_prctl_code_tbl)
 633         $(Q)$(SHELL) '$(x86_arch_prctl_code_tbl)' $(x86_arch_asm_uapi_dir) > $@
 634
 635 x86_arch_irq_vectors_array := $(beauty_outdir)/x86_arch_irq_vectors_array.c
 636 x86_arch_irq_vectors_tbl := $(srctree)/tools/perf/trace/beauty/tracepoints/x86_irq_vectors.sh
 637
 638 $(x86_arch_irq_vectors_array): $(x86_arch_asm_dir)/irq_vectors.h $(x86_arch_irq_vectors_tbl)
 639         $(Q)$(SHELL) '$(x86_arch_irq_vectors_tbl)' $(x86_arch_asm_dir) > $@
 640
 641 x86_arch_MSRs_array := $(beauty_outdir)/x86_arch_MSRs_array.c
 642 x86_arch_MSRs_tbl := $(srctree)/tools/perf/trace/beauty/tracepoints/x86_msr.sh
 643
 644 $(x86_arch_MSRs_array): $(x86_arch_asm_dir)/msr-index.h $(x86_arch_MSRs_tbl)
 645         $(Q)$(SHELL) '$(x86_arch_MSRs_tbl)' $(x86_arch_asm_dir) > $@
 646
 647 rename_flags_array := $(beauty_outdir)/rename_flags_array.c
 648 rename_flags_tbl := $(srctree)/tools/perf/trace/beauty/rename_flags.sh
 649
 650 $(rename_flags_array): $(linux_uapi_dir)/fs.h $(rename_flags_tbl)
 651         $(Q)$(SHELL) '$(rename_flags_tbl)' $(linux_uapi_dir) > $@
 652
 653 arch_errno_name_array := $(beauty_outdir)/arch_errno_name_array.c
 654 arch_errno_hdr_dir := $(srctree)/tools
 655 arch_errno_tbl := $(srctree)/tools/perf/trace/beauty/arch_errno_names.sh
 656
 657 $(arch_errno_name_array): $(arch_errno_tbl)
 658         $(Q)$(SHELL) '$(arch_errno_tbl)' '$(patsubst -%,,$(CC))' $(arch_errno_hdr_dir) > $@
 659
 660 sync_file_range_arrays := $(beauty_outdir)/sync_file_range_arrays.c
 661 sync_file_range_tbls := $(srctree)/tools/perf/trace/beauty/sync_file_range.sh
 662
 663 $(sync_file_range_arrays): $(linux_uapi_dir)/fs.h $(sync_file_range_tbls)
 664         $(Q)$(SHELL) '$(sync_file_range_tbls)' $(linux_uapi_dir) > $@
 665
 666 TESTS_CORESIGHT_DIR := $(srctree)/tools/perf/tests/shell/coresight
 667
 668 tests-coresight-targets: FORCE
 669         $(Q)$(MAKE) -C $(TESTS_CORESIGHT_DIR)
 670
 671 tests-coresight-targets-clean:
 672         $(call QUIET_CLEAN, coresight)
 673         $(Q)$(MAKE) -C $(TESTS_CORESIGHT_DIR) O=$(OUTPUT) clean >/dev/null
 674
 675 all: shell_compatibility_test $(ALL_PROGRAMS) $(LANG_BINDINGS) $(OTHER_PROGRAMS) tests-coresight-targets
 676
 677 # Create python binding output directory if not already present
 678 $(shell [ -d '$(OUTPUT)python' ] || mkdir -p '$(OUTPUT)python')
 679
 680 $(OUTPUT)python/perf$(PYTHON_EXTENSION_SUFFIX): $(PYTHON_EXT_SRCS) $(PYTHON_EXT_DEPS) $(LIBPERF) $(LIBSUBCMD)
 681         $(QUIET_GEN)LDSHARED="$(CC) -pthread -shared" \
 682         CFLAGS='$(CFLAGS)' LDFLAGS='$(LDFLAGS)' \
 683           $(PYTHON_WORD) util/setup.py \
 684           --quiet build_ext; \
 685         cp $(PYTHON_EXTBUILD_LIB)perf*.so $(OUTPUT)python/
 686
 687 python_perf_target:
 688         @echo "Target is: $(OUTPUT)python/perf$(PYTHON_EXTENSION_SUFFIX)"
 689
 690 please_set_SHELL_PATH_to_a_more_modern_shell:
 691         $(Q)$$(:)
 692
 693 shell_compatibility_test: please_set_SHELL_PATH_to_a_more_modern_shell
 694
 695 strip: $(PROGRAMS) $(OUTPUT)perf
 696         $(STRIP) $(STRIP_OPTS) $(PROGRAMS) $(OUTPUT)perf
 697
 698 PERF_IN := $(OUTPUT)perf-in.o
 699
 700 PMU_EVENTS_IN := $(OUTPUT)pmu-events/pmu-events-in.o
 701 export NO_JEVENTS
 702
 703 build := -f $(srctree)/tools/build/Makefile.build dir=. obj
 704
 705 $(PERF_IN): prepare FORCE
 706         $(Q)$(MAKE) $(build)=perf
 707
 708 $(PMU_EVENTS_IN): FORCE prepare
 709         $(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=pmu-events obj=pmu-events
 710
 711 $(OUTPUT)perf: $(PERFLIBS) $(PERF_IN) $(PMU_EVENTS_IN)
 712         $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) \
 713                 $(PERF_IN) $(PMU_EVENTS_IN) $(LIBS) -o $@
 714
 715 $(GTK_IN): FORCE prepare
 716         $(Q)$(MAKE) $(build)=gtk
 717
 718 $(OUTPUT)libperf-gtk.so: $(GTK_IN) $(PERFLIBS)
 719         $(QUIET_LINK)$(CC) -o $@ -shared $(LDFLAGS) $(filter %.o,$^) $(GTK_LIBS)
 720
 721 $(OUTPUT)common-cmds.h: util/generate-cmdlist.sh command-list.txt
 722
 723 $(OUTPUT)common-cmds.h: $(wildcard Documentation/perf-*.txt)
 724         $(QUIET_GEN). util/generate-cmdlist.sh > $@+ && mv $@+ $@
 725
 726 $(SCRIPTS) : % : %.sh
 727         $(QUIET_GEN)$(INSTALL) '$@.sh' '$(OUTPUT)$@'
 728
 729 $(OUTPUT)PERF-VERSION-FILE: .FORCE-PERF-VERSION-FILE
 730         $(Q)$(SHELL_PATH) util/PERF-VERSION-GEN $(OUTPUT)
 731
 732 # These can record PERF_VERSION
 733 perf.spec $(SCRIPTS) \
 734         : $(OUTPUT)PERF-VERSION-FILE
 735
 736 .SUFFIXES:
 737
 738 #
 739 # If a target does not match any of the later rules then prefix it by $(OUTPUT)
 740 # This makes targets like 'make O=/tmp/perf perf.o' work in a natural way.
 741 #
 742 ifneq ($(OUTPUT),)
 743 %.o: $(OUTPUT)%.o
 744         @echo "    # Redirected target $@ => $(OUTPUT)$@"
 745 pmu-events/%.o: $(OUTPUT)pmu-events/%.o
 746         @echo "    # Redirected target $@ => $(OUTPUT)$@"
 747 util/%.o: $(OUTPUT)util/%.o
 748         @echo "    # Redirected target $@ => $(OUTPUT)$@"
 749 bench/%.o: $(OUTPUT)bench/%.o
 750         @echo "    # Redirected target $@ => $(OUTPUT)$@"
 751 tests/%.o: $(OUTPUT)tests/%.o
 752         @echo "    # Redirected target $@ => $(OUTPUT)$@"
 753 endif
 754
 755 # These two need to be here so that when O= is not used they take precedence
 756 # over the general rule for .o
 757
 758 # get relative building directory (to $(OUTPUT))
 759 # and '.' if it's $(OUTPUT) itself
 760 __build-dir = $(subst $(OUTPUT),,$(dir $@))
 761 build-dir   = $(or $(__build-dir),.)
 762
 763 prepare: $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)common-cmds.h archheaders \
 764         arm64-sysreg-defs \
 765         $(drm_ioctl_array) \
 766         $(fadvise_advice_array) \
 767         $(fsconfig_arrays) \
 768         $(fsmount_arrays) \
 769         $(fspick_arrays) \
 770         $(pkey_alloc_access_rights_array) \
 771         $(sndrv_pcm_ioctl_array) \
 772         $(sndrv_ctl_ioctl_array) \
 773         $(kcmp_type_array) \
 774         $(kvm_ioctl_array) \
 775         $(socket_arrays) \
 776         $(sockaddr_arrays) \
 777         $(vhost_virtio_ioctl_array) \
 778         $(madvise_behavior_array) \
 779         $(mmap_flags_array) \
 780         $(mmap_prot_array) \
 781         $(mremap_flags_array) \
 782         $(mount_flags_array) \
 783         $(move_mount_flags_array) \
 784         $(perf_ioctl_array) \
 785         $(prctl_option_array) \
 786         $(usbdevfs_ioctl_array) \
 787         $(x86_arch_irq_vectors_array) \
 788         $(x86_arch_MSRs_array) \
 789         $(x86_arch_prctl_code_array) \
 790         $(rename_flags_array) \
 791         $(arch_errno_name_array) \
 792         $(sync_file_range_arrays) \
 793         $(LIBAPI) \
 794         $(LIBPERF) \
 795         $(LIBSUBCMD) \
 796         $(LIBSYMBOL) \
 797         bpf-skel
 798
 799 ifdef LIBBPF_STATIC
 800 prepare: $(LIBBPF)
 801 endif
 802
 803 $(OUTPUT)%.o: %.c prepare FORCE
 804         $(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=$(build-dir) $@
 805
 806 $(OUTPUT)%.i: %.c prepare FORCE
 807         $(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=$(build-dir) $@
 808
 809 $(OUTPUT)%.s: %.c prepare FORCE
 810         $(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=$(build-dir) $@
 811
 812 $(OUTPUT)%-bison.o: %.c prepare FORCE
 813         $(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=$(build-dir) $@
 814
 815 $(OUTPUT)%-flex.o: %.c prepare FORCE
 816         $(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=$(build-dir) $@
 817
 818 $(OUTPUT)%.o: %.S prepare FORCE
 819         $(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=$(build-dir) $@
 820
 821 $(OUTPUT)%.i: %.S prepare FORCE
 822         $(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=$(build-dir) $@
 823
 824 $(OUTPUT)perf-%: %.o $(PERFLIBS)
 825         $(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $(LDFLAGS) $(filter %.o,$^) $(LIBS)
 826
 827 ifndef NO_PERF_READ_VDSO32
 828 $(OUTPUT)perf-read-vdso32: perf-read-vdso.c util/find-map.c
 829         $(QUIET_CC)$(CC) -m32 $(filter -static,$(LDFLAGS)) -Wall -Werror -o $@ perf-read-vdso.c
 830 endif
 831
 832 ifndef NO_PERF_READ_VDSOX32
 833 $(OUTPUT)perf-read-vdsox32: perf-read-vdso.c util/find-map.c
 834         $(QUIET_CC)$(CC) -mx32 $(filter -static,$(LDFLAGS)) -Wall -Werror -o $@ perf-read-vdso.c
 835 endif
 836
 837 $(OUTPUT)dlfilters/%.o: dlfilters/%.c include/perf/perf_dlfilter.h
 838         $(Q)$(MKDIR) -p $(OUTPUT)dlfilters
 839         $(QUIET_CC)$(CC) -c -Iinclude $(EXTRA_CFLAGS) -o $@ -fpic $<
 840
 841 .SECONDARY: $(DLFILTERS:.so=.o)
 842
 843 $(OUTPUT)dlfilters/%.so: $(OUTPUT)dlfilters/%.o
 844         $(QUIET_LINK)$(CC) $(EXTRA_CFLAGS) -shared -o $@ $<
 845
 846 ifndef NO_JVMTI
 847 LIBJVMTI_IN := $(OUTPUT)jvmti/jvmti-in.o
 848
 849 $(LIBJVMTI_IN): FORCE
 850         $(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=jvmti obj=jvmti
 851
 852 $(OUTPUT)$(LIBJVMTI): $(LIBJVMTI_IN)
 853         $(QUIET_LINK)$(CC) $(LDFLAGS) -shared -Wl,-soname -Wl,$(LIBJVMTI) -o $@ $<
 854 endif
 855
 856 $(patsubst perf-%,%.o,$(PROGRAMS)): $(wildcard */*.h)
 857
 858 $(LIBAPI): FORCE | $(LIBAPI_OUTPUT)
 859         $(Q)$(MAKE) -C $(LIBAPI_DIR) O=$(LIBAPI_OUTPUT) \
 860                 DESTDIR=$(LIBAPI_DESTDIR) prefix= subdir= \
 861                 $@ install_headers
 862
 863 $(LIBAPI)-clean:
 864         $(call QUIET_CLEAN, libapi)
 865         $(Q)$(RM) -r -- $(LIBAPI_OUTPUT)
 866
 867 $(LIBBPF): FORCE | $(LIBBPF_OUTPUT)
 868         $(Q)$(MAKE) -C $(LIBBPF_DIR) FEATURES_DUMP=$(FEATURE_DUMP_EXPORT) \
 869                 O= OUTPUT=$(LIBBPF_OUTPUT)/ DESTDIR=$(LIBBPF_DESTDIR) prefix= subdir= \
 870                 $@ install_headers
 871
 872 $(LIBBPF)-clean:
 873         $(call QUIET_CLEAN, libbpf)
 874         $(Q)$(RM) -r -- $(LIBBPF_OUTPUT)
 875
 876 $(LIBPERF): FORCE | $(LIBPERF_OUTPUT)
 877         $(Q)$(MAKE) -C $(LIBPERF_DIR) O=$(LIBPERF_OUTPUT) \
 878                 DESTDIR=$(LIBPERF_DESTDIR) prefix= subdir= \
 879                 $@ install_headers
 880
 881 $(LIBPERF)-clean:
 882         $(call QUIET_CLEAN, libperf)
 883         $(Q)$(RM) -r -- $(LIBPERF_OUTPUT)
 884
 885 $(LIBSUBCMD): FORCE | $(LIBSUBCMD_OUTPUT)
 886         $(Q)$(MAKE) -C $(LIBSUBCMD_DIR) O=$(LIBSUBCMD_OUTPUT) \
 887                 DESTDIR=$(LIBSUBCMD_DESTDIR) prefix= subdir= \
 888                 $@ install_headers
 889
 890 $(LIBSUBCMD)-clean:
 891         $(call QUIET_CLEAN, libsubcmd)
 892         $(Q)$(RM) -r -- $(LIBSUBCMD_OUTPUT)
 893
 894 $(LIBSYMBOL): FORCE | $(LIBSYMBOL_OUTPUT)
 895         $(Q)$(MAKE) -C $(LIBSYMBOL_DIR) O=$(LIBSYMBOL_OUTPUT) \
 896                 DESTDIR=$(LIBSYMBOL_DESTDIR) prefix= subdir= \
 897                 $@ install_headers
 898
 899 $(LIBSYMBOL)-clean:
 900         $(call QUIET_CLEAN, libsymbol)
 901         $(Q)$(RM) -r -- $(LIBSYMBOL_OUTPUT)
 902
 903 help:
 904         @echo 'Perf make targets:'
 905         @echo '  doc            - make *all* documentation (see below)'
 906         @echo '  man            - make manpage documentation (access with man <foo>)'
 907         @echo '  html           - make html documentation'
 908         @echo '  info           - make GNU info documentation (access with info <foo>)'
 909         @echo '  pdf            - make pdf documentation'
 910         @echo '  TAGS           - use etags to make tag information for source browsing'
 911         @echo '  tags           - use ctags to make tag information for source browsing'
 912         @echo '  cscope - use cscope to make interactive browsing database'
 913         @echo ''
 914         @echo 'Perf install targets:'
 915         @echo '  NOTE: documentation build requires asciidoc, xmlto packages to be installed'
 916         @echo '  HINT: use "prefix" or "DESTDIR" to install to a particular'
 917         @echo '        path like "make prefix=/usr/local install install-doc"'
 918         @echo '  install        - install compiled binaries'
 919         @echo '  install-doc    - install *all* documentation'
 920         @echo '  install-man    - install manpage documentation'
 921         @echo '  install-html   - install html documentation'
 922         @echo '  install-info   - install GNU info documentation'
 923         @echo '  install-pdf    - install pdf documentation'
 924         @echo ''
 925         @echo '  quick-install-doc      - alias for quick-install-man'
 926         @echo '  quick-install-man      - install the documentation quickly'
 927         @echo '  quick-install-html     - install the html documentation quickly'
 928         @echo ''
 929         @echo 'Perf maintainer targets:'
 930         @echo '  clean                  - clean all binary objects and build output'
 931
 932
 933 DOC_TARGETS := doc man html info pdf
 934
 935 INSTALL_DOC_TARGETS := $(patsubst %,install-%,$(DOC_TARGETS)) try-install-man
 936 INSTALL_DOC_TARGETS += quick-install-doc quick-install-man quick-install-html
 937
 938 # 'make doc' should call 'make -C Documentation all'
 939 $(DOC_TARGETS):
 940         $(Q)$(MAKE) -C $(DOC_DIR) O=$(OUTPUT) $(@:doc=all) ASCIIDOC_EXTRA=$(ASCIIDOC_EXTRA)
 941
 942 TAG_FOLDERS= . ../lib ../include
 943 TAG_FILES= ../../include/uapi/linux/perf_event.h
 944
 945 TAGS:
 946         $(QUIET_GEN)$(RM) TAGS; \
 947         $(FIND) $(TAG_FOLDERS) -name '*.[hcS]' -print -o -name '*.cpp' -print | xargs etags -a $(TAG_FILES)
 948
 949 tags:
 950         $(QUIET_GEN)$(RM) tags; \
 951         $(FIND) $(TAG_FOLDERS) -name '*.[hcS]' -print -o -name '*.cpp' -print | xargs ctags -a $(TAG_FILES)
 952
 953 cscope:
 954         $(QUIET_GEN)$(RM) cscope*; \
 955         $(FIND) $(TAG_FOLDERS) -name '*.[hcS]' -print -o -name '*.cpp' -print | xargs cscope -b $(TAG_FILES)
 956
 957 ### Testing rules
 958
 959 # GNU make supports exporting all variables by "export" without parameters.
 960 # However, the environment gets quite big, and some programs have problems
 961 # with that.
 962
 963 check: $(OUTPUT)common-cmds.h
 964         if sparse; \
 965         then \
 966                 for i in *.c */*.c; \
 967                 do \
 968                         sparse $(CFLAGS) $(SPARSE_FLAGS) $$i || exit; \
 969                 done; \
 970         else \
 971                 exit 1; \
 972         fi
 973
 974 ### Installation rules
 975
 976 ifdef GTK2
 977 install-gtk: $(OUTPUT)libperf-gtk.so
 978         $(call QUIET_INSTALL, 'GTK UI') \
 979                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(libdir_SQ)'; \
 980                 $(INSTALL) $(OUTPUT)libperf-gtk.so '$(DESTDIR_SQ)$(libdir_SQ)'
 981 else
 982 install-gtk:
 983 endif
 984
 985 install-tools: all install-gtk
 986         $(call QUIET_INSTALL, binaries) \
 987                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(bindir_SQ)'; \
 988                 $(INSTALL) $(OUTPUT)perf '$(DESTDIR_SQ)$(bindir_SQ)'; \
 989                 $(LN) '$(DESTDIR_SQ)$(bindir_SQ)/perf' '$(DESTDIR_SQ)$(bindir_SQ)/trace'; \
 990                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(includedir_SQ)/perf'; \
 991                 $(INSTALL) -m 644 include/perf/perf_dlfilter.h -t '$(DESTDIR_SQ)$(includedir_SQ)/perf'
 992 ifndef NO_PERF_READ_VDSO32
 993         $(call QUIET_INSTALL, perf-read-vdso32) \
 994                 $(INSTALL) $(OUTPUT)perf-read-vdso32 '$(DESTDIR_SQ)$(bindir_SQ)';
 995 endif
 996 ifndef NO_PERF_READ_VDSOX32
 997         $(call QUIET_INSTALL, perf-read-vdsox32) \
 998                 $(INSTALL) $(OUTPUT)perf-read-vdsox32 '$(DESTDIR_SQ)$(bindir_SQ)';
 999 endif
1000 ifndef NO_JVMTI
1001         $(call QUIET_INSTALL, $(LIBJVMTI)) \
1002                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(libdir_SQ)'; \
1003                 $(INSTALL) $(OUTPUT)$(LIBJVMTI) '$(DESTDIR_SQ)$(libdir_SQ)';
1004 endif
1005         $(call QUIET_INSTALL, libexec) \
1006                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)'
1007         $(call QUIET_INSTALL, perf-archive) \
1008                 $(INSTALL) $(OUTPUT)perf-archive -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)'
1009         $(call QUIET_INSTALL, perf-iostat) \
1010                 $(INSTALL) $(OUTPUT)perf-iostat -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)'
1011 ifndef NO_LIBAUDIT
1012         $(call QUIET_INSTALL, strace/groups) \
1013                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(STRACE_GROUPS_INSTDIR_SQ)'; \
1014                 $(INSTALL) trace/strace/groups/* -m 644 -t '$(DESTDIR_SQ)$(STRACE_GROUPS_INSTDIR_SQ)'
1015 endif
1016 ifndef NO_LIBPERL
1017         $(call QUIET_INSTALL, perl-scripts) \
1018                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/Perf-Trace-Util/lib/Perf/Trace'; \
1019                 $(INSTALL) scripts/perl/Perf-Trace-Util/lib/Perf/Trace/* -m 644 -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/Perf-Trace-Util/lib/Perf/Trace'; \
1020                 $(INSTALL) scripts/perl/*.pl -m 644 -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl'; \
1021                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/bin'; \
1022                 $(INSTALL) scripts/perl/bin/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/bin'
1023 endif
1024 ifndef NO_LIBPYTHON
1025         $(call QUIET_INSTALL, python-scripts) \
1026                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/Perf-Trace-Util/lib/Perf/Trace'; \
1027                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/bin'; \
1028                 $(INSTALL) scripts/python/Perf-Trace-Util/lib/Perf/Trace/* -m 644 -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/Perf-Trace-Util/lib/Perf/Trace'; \
1029                 $(INSTALL) scripts/python/*.py -m 644 -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python'; \
1030                 $(INSTALL) scripts/python/bin/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/bin'
1031 endif
1032         $(call QUIET_INSTALL, dlfilters) \
1033                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/dlfilters'; \
1034                 $(INSTALL) $(DLFILTERS) '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/dlfilters';
1035         $(call QUIET_INSTALL, perf_completion-script) \
1036                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(sysconfdir_SQ)/bash_completion.d'; \
1037                 $(INSTALL) perf-completion.sh -m 644 '$(DESTDIR_SQ)$(sysconfdir_SQ)/bash_completion.d/perf'
1038         $(call QUIET_INSTALL, perf-tip) \
1039                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(tip_instdir_SQ)'; \
1040                 $(INSTALL) Documentation/tips.txt -m 644 -t '$(DESTDIR_SQ)$(tip_instdir_SQ)'
1041
1042 install-tests: all install-gtk
1043         $(call QUIET_INSTALL, tests) \
1044                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests'; \
1045                 $(INSTALL) tests/attr.py -m 644 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests'; \
1046                 $(INSTALL) tests/pe-file.exe* '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests'; \
1047                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/attr'; \
1048                 $(INSTALL) tests/attr/* -m 644 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/attr'; \
1049                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell'; \
1050                 $(INSTALL) tests/shell/*.sh '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell'; \
1051                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/lib'; \
1052                 $(INSTALL) tests/shell/lib/*.sh -m 644 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/lib'; \
1053                 $(INSTALL) tests/shell/lib/*.py -m 644 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/lib'; \
1054                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/common'; \
1055                 $(INSTALL) tests/shell/common/*.sh '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/common'; \
1056                 $(INSTALL) tests/shell/common/*.pl '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/common'; \
1057                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/base_probe'; \
1058                 $(INSTALL) tests/shell/base_probe/*.sh '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/base_probe'; \
1059                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/coresight' ; \
1060                 $(INSTALL) tests/shell/coresight/*.sh '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/coresight'
1061         $(Q)$(MAKE) -C tests/shell/coresight install-tests
1062
1063 install-bin: install-tools install-tests
1064
1065 install: install-bin try-install-man
1066
1067 install-python_ext:
1068         $(PYTHON_WORD) util/setup.py --quiet install --root='/$(DESTDIR_SQ)'
1069
1070 # 'make install-doc' should call 'make -C Documentation install'
1071 $(INSTALL_DOC_TARGETS):
1072         $(Q)$(MAKE) -C $(DOC_DIR) O=$(OUTPUT) $(@:-doc=) ASCIIDOC_EXTRA=$(ASCIIDOC_EXTRA)
1073
1074 ### Cleaning rules
1075
1076 python-clean:
1077         $(python-clean)
1078
1079 SKEL_OUT := $(abspath $(OUTPUT)util/bpf_skel)
1080 SKEL_TMP_OUT := $(abspath $(SKEL_OUT)/.tmp)
1081 SKELETONS := $(SKEL_OUT)/bpf_prog_profiler.skel.h
1082 SKELETONS += $(SKEL_OUT)/bperf_leader.skel.h $(SKEL_OUT)/bperf_follower.skel.h
1083 SKELETONS += $(SKEL_OUT)/bperf_cgroup.skel.h $(SKEL_OUT)/func_latency.skel.h
1084 SKELETONS += $(SKEL_OUT)/off_cpu.skel.h $(SKEL_OUT)/lock_contention.skel.h
1085 SKELETONS += $(SKEL_OUT)/kwork_trace.skel.h $(SKEL_OUT)/sample_filter.skel.h
1086 SKELETONS += $(SKEL_OUT)/kwork_top.skel.h
1087 SKELETONS += $(SKEL_OUT)/bench_uprobe.skel.h
1088 SKELETONS += $(SKEL_OUT)/augmented_raw_syscalls.skel.h
1089
1090 $(SKEL_TMP_OUT) $(LIBAPI_OUTPUT) $(LIBBPF_OUTPUT) $(LIBPERF_OUTPUT) $(LIBSUBCMD_OUTPUT) $(LIBSYMBOL_OUTPUT):
1091         $(Q)$(MKDIR) -p $@
1092
1093 ifeq ($(CONFIG_PERF_BPF_SKEL),y)
1094 BPFTOOL := $(SKEL_TMP_OUT)/bootstrap/bpftool
1095 # Get Clang's default includes on this system, as opposed to those seen by
1096 # '--target=bpf'. This fixes "missing" files on some architectures/distros,
1097 # such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc.
1098 #
1099 # Use '-idirafter': Don't interfere with include mechanics except where the
1100 # build would have failed anyways.
1101 define get_sys_includes
1102 $(shell $(1) $(2) -v -E - </dev/null 2>&1 \
1103        | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') \
1104 $(shell $(1) $(2) -dM -E - </dev/null | grep '__riscv_xlen ' | awk '{printf("-D__riscv_xlen=%d -D__BITS_PER_LONG=%d", $$3, $$3)}')
1105 endef
1106
1107 ifneq ($(CROSS_COMPILE),)
1108 CLANG_TARGET_ARCH = --target=$(notdir $(CROSS_COMPILE:%-=%))
1109 endif
1110
1111 CLANG_OPTIONS = -Wall
1112 CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG),$(CLANG_TARGET_ARCH))
1113 BPF_INCLUDE := -I$(SKEL_TMP_OUT)/.. -I$(LIBBPF_INCLUDE) $(CLANG_SYS_INCLUDES)
1114 TOOLS_UAPI_INCLUDE := -I$(srctree)/tools/include/uapi
1115
1116 ifneq ($(WERROR),0)
1117   CLANG_OPTIONS += -Werror
1118 endif
1119
1120 $(BPFTOOL): | $(SKEL_TMP_OUT)
1121         $(Q)CFLAGS= $(MAKE) -C ../bpf/bpftool \
1122                 OUTPUT=$(SKEL_TMP_OUT)/ bootstrap
1123
1124 # Paths to search for a kernel to generate vmlinux.h from.
1125 VMLINUX_BTF_ELF_PATHS ?= $(if $(O),$(O)/vmlinux)                        \
1126                      $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux)    \
1127                      ../../vmlinux                                      \
1128                      /boot/vmlinux-$(shell uname -r)
1129
1130 # Paths to BTF information.
1131 VMLINUX_BTF_BTF_PATHS ?= /sys/kernel/btf/vmlinux
1132
1133 # Filter out kernels that don't exist or without a BTF section.
1134 VMLINUX_BTF_ELF_ABSPATHS ?= $(abspath $(wildcard $(VMLINUX_BTF_ELF_PATHS)))
1135 VMLINUX_BTF_PATHS ?= $(shell for file in $(VMLINUX_BTF_ELF_ABSPATHS); \
1136                         do \
1137                                 if [ -f $$file ] && ($(READELF) -S "$$file" | grep -q .BTF); \
1138                                 then \
1139                                         echo "$$file"; \
1140                                 fi; \
1141                         done) \
1142                         $(wildcard $(VMLINUX_BTF_BTF_PATHS))
1143
1144 # Select the first as the source of vmlinux.h.
1145 VMLINUX_BTF ?= $(firstword $(VMLINUX_BTF_PATHS))
1146
1147 ifeq ($(VMLINUX_H),)
1148   ifeq ($(VMLINUX_BTF),)
1149     $(error Missing bpftool input for generating vmlinux.h)
1150   endif
1151 endif
1152
1153 $(SKEL_OUT)/vmlinux.h: $(VMLINUX_BTF) $(BPFTOOL) $(VMLINUX_H)
1154 ifeq ($(VMLINUX_H),)
1155         $(QUIET_GEN)$(BPFTOOL) btf dump file $< format c > $@
1156 else
1157         $(Q)cp "$(VMLINUX_H)" $@
1158 endif
1159
1160 $(SKEL_TMP_OUT)/%.bpf.o: util/bpf_skel/%.bpf.c $(LIBBPF) $(SKEL_OUT)/vmlinux.h | $(SKEL_TMP_OUT)
1161         $(QUIET_CLANG)$(CLANG) -g -O2 --target=bpf $(CLANG_OPTIONS) $(BPF_INCLUDE) $(TOOLS_UAPI_INCLUDE) \
1162           -c $(filter util/bpf_skel/%.bpf.c,$^) -o $@
1163
1164 $(SKEL_OUT)/%.skel.h: $(SKEL_TMP_OUT)/%.bpf.o | $(BPFTOOL)
1165         $(QUIET_GENSKEL)$(BPFTOOL) gen skeleton $< > $@
1166
1167 bpf-skel: $(SKELETONS)
1168
1169 .PRECIOUS: $(SKEL_TMP_OUT)/%.bpf.o
1170
1171 else # CONFIG_PERF_BPF_SKEL
1172
1173 bpf-skel:
1174
1175 endif # CONFIG_PERF_BPF_SKEL
1176
1177 bpf-skel-clean:
1178         $(call QUIET_CLEAN, bpf-skel) $(RM) -r $(SKEL_TMP_OUT) $(SKELETONS) $(SKEL_OUT)/vmlinux.h
1179
1180 clean:: $(LIBAPI)-clean $(LIBBPF)-clean $(LIBSUBCMD)-clean $(LIBSYMBOL)-clean $(LIBPERF)-clean arm64-sysreg-defs-clean fixdep-clean python-clean bpf-skel-clean tests-coresight-targets-clean
1181         $(call QUIET_CLEAN, core-objs)  $(RM) $(LIBPERF_A) $(OUTPUT)perf-archive $(OUTPUT)perf-iostat $(LANG_BINDINGS)
1182         $(Q)find $(or $(OUTPUT),.) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete -o -name '*.shellcheck_log' -delete
1183         $(Q)$(RM) $(OUTPUT).config-detected
1184         $(call QUIET_CLEAN, core-progs) $(RM) $(ALL_PROGRAMS) perf perf-read-vdso32 perf-read-vdsox32 $(OUTPUT)$(LIBJVMTI).so
1185         $(call QUIET_CLEAN, core-gen)   $(RM)  *.spec *.pyc *.pyo */*.pyc */*.pyo $(OUTPUT)common-cmds.h TAGS tags cscope* $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)FEATURE-DUMP $(OUTPUT)util/*-bison* $(OUTPUT)util/*-flex* \
1186                 $(OUTPUT)util/intel-pt-decoder/inat-tables.c \
1187                 $(OUTPUT)tests/llvm-src-{base,kbuild,prologue,relocation}.c \
1188                 $(OUTPUT)pmu-events/pmu-events.c \
1189                 $(OUTPUT)pmu-events/metric_test.log \
1190                 $(OUTPUT)$(fadvise_advice_array) \
1191                 $(OUTPUT)$(fsconfig_arrays) \
1192                 $(OUTPUT)$(fsmount_arrays) \
1193                 $(OUTPUT)$(fspick_arrays) \
1194                 $(OUTPUT)$(madvise_behavior_array) \
1195                 $(OUTPUT)$(mmap_flags_array) \
1196                 $(OUTPUT)$(mmap_prot_array) \
1197                 $(OUTPUT)$(mremap_flags_array) \
1198                 $(OUTPUT)$(mount_flags_array) \
1199                 $(OUTPUT)$(move_mount_flags_array) \
1200                 $(OUTPUT)$(drm_ioctl_array) \
1201                 $(OUTPUT)$(pkey_alloc_access_rights_array) \
1202                 $(OUTPUT)$(sndrv_ctl_ioctl_array) \
1203                 $(OUTPUT)$(sndrv_pcm_ioctl_array) \
1204                 $(OUTPUT)$(kvm_ioctl_array) \
1205                 $(OUTPUT)$(kcmp_type_array) \
1206                 $(OUTPUT)$(socket_arrays) \
1207                 $(OUTPUT)$(sockaddr_arrays) \
1208                 $(OUTPUT)$(vhost_virtio_ioctl_array) \
1209                 $(OUTPUT)$(perf_ioctl_array) \
1210                 $(OUTPUT)$(prctl_option_array) \
1211                 $(OUTPUT)$(usbdevfs_ioctl_array) \
1212                 $(OUTPUT)$(x86_arch_irq_vectors_array) \
1213                 $(OUTPUT)$(x86_arch_MSRs_array) \
1214                 $(OUTPUT)$(x86_arch_prctl_code_array) \
1215                 $(OUTPUT)$(rename_flags_array) \
1216                 $(OUTPUT)$(arch_errno_name_array) \
1217                 $(OUTPUT)$(sync_file_range_arrays)
1218         $(call QUIET_CLEAN, Documentation) \
1219         $(MAKE) -C $(DOC_DIR) O=$(OUTPUT) clean >/dev/null
1220
1221 #
1222 # To provide FEATURE-DUMP into $(FEATURE_DUMP_COPY)
1223 # file if defined, with no further action.
1224 feature-dump:
1225 ifdef FEATURE_DUMP_COPY
1226         @cp $(OUTPUT)FEATURE-DUMP $(FEATURE_DUMP_COPY)
1227         @echo "FEATURE-DUMP file copied into $(FEATURE_DUMP_COPY)"
1228 else
1229         @echo "FEATURE-DUMP file available in $(OUTPUT)FEATURE-DUMP"
1230 endif
1231
1232
1233 FORCE:
1234
1235 .PHONY: all install clean config-clean strip install-gtk
1236 .PHONY: shell_compatibility_test please_set_SHELL_PATH_to_a_more_modern_shell
1237 .PHONY: .FORCE-PERF-VERSION-FILE TAGS tags cscope FORCE prepare
1238 .PHONY: archheaders python_perf_target
1239
1240 endif # force_fixdep
1241
1242 # Delete partially updated (corrupted) files on error
1243 .DELETE_ON_ERROR: