tools/perf/config/Makefile

   1 uname_M := $(shell uname -m 2>/dev/null || echo not)
   2
   3 ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
   4                                   -e s/arm.*/arm/ -e s/sa110/arm/ \
   5                                   -e s/s390x/s390/ -e s/parisc64/parisc/ \
   6                                   -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
   7                                   -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ )
   8 NO_PERF_REGS := 1
   9 CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
  10
  11 # Additional ARCH settings for x86
  12 ifeq ($(ARCH),i386)
  13   override ARCH := x86
  14   NO_PERF_REGS := 0
  15   LIBUNWIND_LIBS = -lunwind -lunwind-x86
  16 endif
  17
  18 ifeq ($(ARCH),x86_64)
  19   override ARCH := x86
  20   IS_X86_64 := 0
  21   ifeq (, $(findstring m32,$(CFLAGS)))
  22     IS_X86_64 := $(shell echo __x86_64__ | ${CC} -E -x c - | tail -n 1)
  23   endif
  24   ifeq (${IS_X86_64}, 1)
  25     RAW_ARCH := x86_64
  26     CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT
  27     ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
  28     LIBUNWIND_LIBS = -lunwind -lunwind-x86_64
  29   else
  30     LIBUNWIND_LIBS = -lunwind -lunwind-x86
  31   endif
  32   NO_PERF_REGS := 0
  33 endif
  34
  35 ifeq ($(NO_PERF_REGS),0)
  36   CFLAGS += -DHAVE_PERF_REGS_SUPPORT
  37 endif
  38
  39 ifeq ($(src-perf),)
  40 src-perf := $(srctree)/tools/perf
  41 endif
  42
  43 ifeq ($(obj-perf),)
  44 obj-perf := $(OUTPUT)
  45 endif
  46
  47 ifneq ($(obj-perf),)
  48 obj-perf := $(abspath $(obj-perf))/
  49 endif
  50
  51 LIB_INCLUDE := $(srctree)/tools/lib/
  52
  53 # include ARCH specific config
  54 -include $(src-perf)/arch/$(ARCH)/Makefile
  55
  56 include $(src-perf)/config/utilities.mak
  57
  58 ifeq ($(call get-executable,$(FLEX)),)
  59   dummy := $(error Error: $(FLEX) is missing on this system, please install it)
  60 endif
  61
  62 ifeq ($(call get-executable,$(BISON)),)
  63   dummy := $(error Error: $(BISON) is missing on this system, please install it)
  64 endif
  65
  66 # Treat warnings as errors unless directed not to
  67 ifneq ($(WERROR),0)
  68   CFLAGS += -Werror
  69 endif
  70
  71 ifndef DEBUG
  72   DEBUG := 0
  73 endif
  74
  75 ifeq ($(DEBUG),0)
  76   CFLAGS += -O6
  77 endif
  78
  79 ifdef PARSER_DEBUG
  80   PARSER_DEBUG_BISON := -t
  81   PARSER_DEBUG_FLEX  := -d
  82   CFLAGS             += -DPARSER_DEBUG
  83 endif
  84
  85 CFLAGS += -fno-omit-frame-pointer
  86 CFLAGS += -ggdb3
  87 CFLAGS += -funwind-tables
  88 CFLAGS += -Wall
  89 CFLAGS += -Wextra
  90 CFLAGS += -std=gnu99
  91
  92 EXTLIBS = -lelf -lpthread -lrt -lm -ldl
  93
  94 ifneq ($(OUTPUT),)
  95   OUTPUT_FEATURES = $(OUTPUT)config/feature-checks/
  96   $(shell mkdir -p $(OUTPUT_FEATURES))
  97 endif
  98
  99 feature_check = $(eval $(feature_check_code))
 100 define feature_check_code
 101   feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS)" LDFLAGS="$(LDFLAGS)" LIBUNWIND_LIBS="$(LIBUNWIND_LIBS)" -C config/feature-checks test-$1 >/dev/null 2>/dev/null && echo 1 || echo 0)
 102 endef
 103
 104 feature_set = $(eval $(feature_set_code))
 105 define feature_set_code
 106   feature-$(1) := 1
 107 endef
 108
 109 #
 110 # Build the feature check binaries in parallel, ignore errors, ignore return value and suppress output:
 111 #
 112
 113 #
 114 # Note that this is not a complete list of all feature tests, just
 115 # those that are typically built on a fully configured system.
 116 #
 117 # [ Feature tests not mentioned here have to be built explicitly in
 118 #   the rule that uses them - an example for that is the 'bionic'
 119 #   feature check. ]
 120 #
 121 CORE_FEATURE_TESTS =                    \
 122         backtrace                       \
 123         dwarf                           \
 124         fortify-source                  \
 125         glibc                           \
 126         gtk2                            \
 127         gtk2-infobar                    \
 128         libaudit                        \
 129         libbfd                          \
 130         libelf                          \
 131         libelf-getphdrnum               \
 132         libelf-mmap                     \
 133         libnuma                         \
 134         libperl                         \
 135         libpython                       \
 136         libpython-version               \
 137         libslang                        \
 138         libunwind                       \
 139         on-exit                         \
 140         stackprotector                  \
 141         stackprotector-all
 142
 143 #
 144 # So here we detect whether test-all was rebuilt, to be able
 145 # to skip the print-out of the long features list if the file
 146 # existed before and after it was built:
 147 #
 148 ifeq ($(wildcard $(OUTPUT)config/feature-checks/test-all),)
 149   test-all-failed := 1
 150 else
 151   test-all-failed := 0
 152 endif
 153
 154 #
 155 # Special fast-path for the 'all features are available' case:
 156 #
 157 $(call feature_check,all,$(MSG))
 158
 159 #
 160 # Just in case the build freshly failed, make sure we print the
 161 # feature matrix:
 162 #
 163 ifeq ($(feature-all), 0)
 164   test-all-failed := 1
 165 endif
 166
 167 ifeq ($(test-all-failed),1)
 168   $(info )
 169   $(info Auto-detecting system features:)
 170 endif
 171
 172 ifeq ($(feature-all), 1)
 173   #
 174   # test-all.c passed - just set all the core feature flags to 1:
 175   #
 176   $(foreach feat,$(CORE_FEATURE_TESTS),$(call feature_set,$(feat)))
 177 else
 178   $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS)" LDFLAGS=$(LDFLAGS) -i -j -C config/feature-checks $(CORE_FEATURE_TESTS) >/dev/null 2>&1)
 179   $(foreach feat,$(CORE_FEATURE_TESTS),$(call feature_check,$(feat)))
 180 endif
 181
 182 #
 183 # Print the result of the feature test:
 184 #
 185 feature_print = $(eval $(feature_print_code)) $(info $(MSG))
 186
 187 define feature_print_code
 188   ifeq ($(feature-$(1)), 1)
 189     MSG = $(shell printf '...%30s: [ \033[32mon\033[m  ]' $(1))
 190   else
 191     MSG = $(shell printf '...%30s: [ \033[31mOFF\033[m ]' $(1))
 192   endif
 193 endef
 194
 195 #
 196 # Only print out our features if we rebuilt the testcases or if a test failed:
 197 #
 198 ifeq ($(test-all-failed), 1)
 199   $(foreach feat,$(CORE_FEATURE_TESTS),$(call feature_print,$(feat)))
 200   $(info )
 201 endif
 202
 203 ifeq ($(feature-stackprotector-all), 1)
 204   CFLAGS += -fstack-protector-all
 205 endif
 206
 207 ifeq ($(feature-stackprotector), 1)
 208   CFLAGS += -Wstack-protector
 209 endif
 210
 211 ifeq ($(DEBUG),0)
 212   ifeq ($(feature-fortify-source), 1)
 213     CFLAGS += -D_FORTIFY_SOURCE=2
 214   endif
 215 endif
 216
 217 CFLAGS += -I$(src-perf)/util/include
 218 CFLAGS += -I$(src-perf)/arch/$(ARCH)/include
 219 CFLAGS += -I$(srctree)/arch/$(ARCH)/include/uapi
 220 CFLAGS += -I$(srctree)/arch/$(ARCH)/include
 221 CFLAGS += -I$(srctree)/include/uapi
 222 CFLAGS += -I$(srctree)/include
 223
 224 # $(obj-perf)      for generated common-cmds.h
 225 # $(obj-perf)/util for generated bison/flex headers
 226 ifneq ($(OUTPUT),)
 227 CFLAGS += -I$(obj-perf)/util
 228 CFLAGS += -I$(obj-perf)
 229 endif
 230
 231 CFLAGS += -I$(src-perf)/util
 232 CFLAGS += -I$(src-perf)
 233 CFLAGS += -I$(LIB_INCLUDE)
 234
 235 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
 236
 237 ifndef NO_BIONIC
 238   $(call feature_check,bionic)
 239   ifeq ($(feature-bionic), 1)
 240     BIONIC := 1
 241     EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
 242     EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
 243   endif
 244 endif
 245
 246 ifdef NO_LIBELF
 247   NO_DWARF := 1
 248   NO_DEMANGLE := 1
 249   NO_LIBUNWIND := 1
 250 else
 251   ifeq ($(feature-libelf), 0)
 252     ifeq ($(feature-glibc), 1)
 253       LIBC_SUPPORT := 1
 254     endif
 255     ifeq ($(BIONIC),1)
 256       LIBC_SUPPORT := 1
 257     endif
 258     ifeq ($(LIBC_SUPPORT),1)
 259       msg := $(warning No libelf found, disables 'probe' tool, please install elfutils-libelf-devel/libelf-dev);
 260
 261       NO_LIBELF := 1
 262       NO_DWARF := 1
 263       NO_DEMANGLE := 1
 264     else
 265       msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static);
 266     endif
 267   else
 268     # for linking with debug library, run like:
 269     # make DEBUG=1 LIBDW_DIR=/opt/libdw/
 270     ifdef LIBDW_DIR
 271       LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
 272       LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
 273     endif
 274
 275     ifneq ($(feature-dwarf), 1)
 276       msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
 277       NO_DWARF := 1
 278     endif # Dwarf support
 279   endif # libelf support
 280 endif # NO_LIBELF
 281
 282 ifndef NO_LIBELF
 283   CFLAGS += -DHAVE_LIBELF_SUPPORT
 284
 285   ifeq ($(feature-libelf-mmap), 1)
 286     CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
 287   endif
 288
 289   ifeq ($(feature-libelf-getphdrnum), 1)
 290     CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
 291   endif
 292
 293   # include ARCH specific config
 294   -include $(src-perf)/arch/$(ARCH)/Makefile
 295
 296   ifndef NO_DWARF
 297     ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
 298       msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
 299       NO_DWARF := 1
 300     else
 301       CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
 302       LDFLAGS += $(LIBDW_LDFLAGS)
 303       EXTLIBS += -lelf -ldw
 304     endif # PERF_HAVE_DWARF_REGS
 305   endif # NO_DWARF
 306 endif # NO_LIBELF
 307
 308 # There's only x86 (both 32 and 64) support for CFI unwind so far
 309 ifneq ($(ARCH),x86)
 310   NO_LIBUNWIND := 1
 311 endif
 312
 313 ifndef NO_LIBUNWIND
 314   #
 315   # For linking with debug library, run like:
 316   #
 317   #   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
 318   #
 319   ifdef LIBUNWIND_DIR
 320     LIBUNWIND_CFLAGS  := -I$(LIBUNWIND_DIR)/include
 321     LIBUNWIND_LDFLAGS := -L$(LIBUNWIND_DIR)/lib
 322   endif
 323
 324   ifneq ($(feature-libunwind), 1)
 325     msg := $(warning No libunwind found, disabling post unwind support. Please install libunwind-dev[el] >= 0.99);
 326     NO_LIBUNWIND := 1
 327   endif
 328 endif
 329
 330 ifndef NO_LIBUNWIND
 331   CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
 332   EXTLIBS += $(LIBUNWIND_LIBS)
 333   CFLAGS += $(LIBUNWIND_CFLAGS)
 334   LDFLAGS += $(LIBUNWIND_LDFLAGS)
 335 endif
 336
 337 ifndef NO_LIBAUDIT
 338   ifneq ($(feature-libaudit), 1)
 339     msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
 340     NO_LIBAUDIT := 1
 341   else
 342     CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
 343     EXTLIBS += -laudit
 344   endif
 345 endif
 346
 347 ifdef NO_NEWT
 348   NO_SLANG=1
 349 endif
 350
 351 ifndef NO_SLANG
 352   ifneq ($(feature-libslang), 1)
 353     msg := $(warning slang not found, disables TUI support. Please install slang-devel or libslang-dev);
 354     NO_SLANG := 1
 355   else
 356     # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
 357     CFLAGS += -I/usr/include/slang
 358     CFLAGS += -DHAVE_SLANG_SUPPORT
 359     EXTLIBS += -lslang
 360   endif
 361 endif
 362
 363 ifndef NO_GTK2
 364   FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null)
 365   ifneq ($(feature-gtk2), 1)
 366     msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
 367     NO_GTK2 := 1
 368   else
 369     ifeq ($(feature-gtk2-infobar), 1)
 370       GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
 371     endif
 372     CFLAGS += -DHAVE_GTK2_SUPPORT
 373     GTK_CFLAGS += $(shell pkg-config --cflags gtk+-2.0 2>/dev/null)
 374     GTK_LIBS := $(shell pkg-config --libs gtk+-2.0 2>/dev/null)
 375     EXTLIBS += -ldl
 376   endif
 377 endif
 378
 379 grep-libs  = $(filter -l%,$(1))
 380 strip-libs = $(filter-out -l%,$(1))
 381
 382 ifdef NO_LIBPERL
 383   CFLAGS += -DNO_LIBPERL
 384 else
 385   PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
 386   PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
 387   PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
 388   PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
 389   FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
 390
 391   ifneq ($(feature-libperl), 1)
 392     CFLAGS += -DNO_LIBPERL
 393     NO_LIBPERL := 1
 394   else
 395     LDFLAGS += $(PERL_EMBED_LDFLAGS)
 396     EXTLIBS += $(PERL_EMBED_LIBADD)
 397   endif
 398 endif
 399
 400 $(call feature_check,timerfd)
 401 ifeq ($(feature-timerfd), 1)
 402   CFLAGS += -DHAVE_TIMERFD_SUPPORT
 403 else
 404   msg := $(warning No timerfd support. Disables 'perf kvm stat live');
 405 endif
 406
 407 disable-python = $(eval $(disable-python_code))
 408 define disable-python_code
 409   CFLAGS += -DNO_LIBPYTHON
 410   $(if $(1),$(warning No $(1) was found))
 411   $(warning Python support will not be built)
 412   NO_LIBPYTHON := 1
 413 endef
 414
 415 override PYTHON := \
 416   $(call get-executable-or-default,PYTHON,python)
 417
 418 ifndef PYTHON
 419   $(call disable-python,python interpreter)
 420 else
 421
 422   PYTHON_WORD := $(call shell-wordify,$(PYTHON))
 423
 424   ifdef NO_LIBPYTHON
 425     $(call disable-python)
 426   else
 427
 428     override PYTHON_CONFIG := \
 429       $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON)-config)
 430
 431     ifndef PYTHON_CONFIG
 432       $(call disable-python,python-config tool)
 433     else
 434
 435       PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
 436
 437       PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
 438       PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
 439       PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS))
 440       PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
 441       FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
 442
 443       ifneq ($(feature-libpython), 1)
 444         $(call disable-python,Python.h (for Python 2.x))
 445       else
 446
 447         ifneq ($(feature-libpython-version), 1)
 448           $(warning Python 3 is not yet supported; please set)
 449           $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
 450           $(warning If you also have Python 2 installed, then)
 451           $(warning try something like:)
 452           $(warning $(and ,))
 453           $(warning $(and ,)  make PYTHON=python2)
 454           $(warning $(and ,))
 455           $(warning Otherwise, disable Python support entirely:)
 456           $(warning $(and ,))
 457           $(warning $(and ,)  make NO_LIBPYTHON=1)
 458           $(warning $(and ,))
 459           $(error   $(and ,))
 460         else
 461           LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
 462           EXTLIBS += $(PYTHON_EMBED_LIBADD)
 463           LANG_BINDINGS += $(obj-perf)python/perf.so
 464         endif
 465       endif
 466     endif
 467   endif
 468 endif
 469
 470 ifeq ($(feature-libbfd), 1)
 471   EXTLIBS += -lbfd
 472 endif
 473
 474 ifdef NO_DEMANGLE
 475   CFLAGS += -DNO_DEMANGLE
 476 else
 477   ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
 478     EXTLIBS += -liberty
 479     CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
 480   else
 481     ifneq ($(feature-libbfd), 1)
 482       $(call feature_check,liberty)
 483       ifeq ($(feature-liberty), 1)
 484         EXTLIBS += -lbfd -liberty
 485       else
 486         $(call feature_check,liberty-z)
 487         ifeq ($(feature-liberty-z), 1)
 488           EXTLIBS += -lbfd -liberty -lz
 489         else
 490           $(call feature_check,cplus-demangle)
 491           ifeq ($(feature-cplus-demangle), 1)
 492             EXTLIBS += -liberty
 493             CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
 494           else
 495             msg := $(warning No bfd.h/libbfd found, install binutils-dev[el]/zlib-static to gain symbol demangling)
 496             CFLAGS += -DNO_DEMANGLE
 497           endif
 498         endif
 499       endif
 500     endif
 501   endif
 502 endif
 503
 504 ifneq ($(filter -lbfd,$(EXTLIBS)),)
 505   CFLAGS += -DHAVE_LIBBFD_SUPPORT
 506 endif
 507
 508 ifndef NO_ON_EXIT
 509   ifeq ($(feature-on-exit), 1)
 510     CFLAGS += -DHAVE_ON_EXIT_SUPPORT
 511   endif
 512 endif
 513
 514 ifndef NO_BACKTRACE
 515   ifeq ($(feature-backtrace), 1)
 516     CFLAGS += -DHAVE_BACKTRACE_SUPPORT
 517   endif
 518 endif
 519
 520 ifndef NO_LIBNUMA
 521   ifeq ($(feature-libnuma), 0)
 522     msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numa-libs-devel or libnuma-dev);
 523     NO_LIBNUMA := 1
 524   else
 525     CFLAGS += -DHAVE_LIBNUMA_SUPPORT
 526     EXTLIBS += -lnuma
 527   endif
 528 endif
 529
 530 # Among the variables below, these:
 531 #   perfexecdir
 532 #   template_dir
 533 #   mandir
 534 #   infodir
 535 #   htmldir
 536 #   ETC_PERFCONFIG (but not sysconfdir)
 537 # can be specified as a relative path some/where/else;
 538 # this is interpreted as relative to $(prefix) and "perf" at
 539 # runtime figures out where they are based on the path to the executable.
 540 # This can help installing the suite in a relocatable way.
 541
 542 # Make the path relative to DESTDIR, not to prefix
 543 ifndef DESTDIR
 544 prefix = $(HOME)
 545 endif
 546 bindir_relative = bin
 547 bindir = $(prefix)/$(bindir_relative)
 548 mandir = share/man
 549 infodir = share/info
 550 perfexecdir = libexec/perf-core
 551 sharedir = $(prefix)/share
 552 template_dir = share/perf-core/templates
 553 htmldir = share/doc/perf-doc
 554 ifeq ($(prefix),/usr)
 555 sysconfdir = /etc
 556 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
 557 else
 558 sysconfdir = $(prefix)/etc
 559 ETC_PERFCONFIG = etc/perfconfig
 560 endif
 561 ifeq ($(IS_X86_64),1)
 562 lib = lib64
 563 else
 564 lib = lib
 565 endif
 566 libdir = $(prefix)/$(lib)
 567
 568 # Shell quote (do not use $(call) to accommodate ancient setups);
 569 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
 570 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
 571 bindir_SQ = $(subst ','\'',$(bindir))
 572 mandir_SQ = $(subst ','\'',$(mandir))
 573 infodir_SQ = $(subst ','\'',$(infodir))
 574 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
 575 template_dir_SQ = $(subst ','\'',$(template_dir))
 576 htmldir_SQ = $(subst ','\'',$(htmldir))
 577 prefix_SQ = $(subst ','\'',$(prefix))
 578 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
 579 libdir_SQ = $(subst ','\'',$(libdir))
 580
 581 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
 582 perfexec_instdir = $(perfexecdir)
 583 else
 584 perfexec_instdir = $(prefix)/$(perfexecdir)
 585 endif
 586 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))