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   endif
  29   NO_PERF_REGS := 0
  30   LIBUNWIND_LIBS = -lunwind -lunwind-x86_64
  31 endif
  32
  33 ifeq ($(NO_PERF_REGS),0)
  34   CFLAGS += -DHAVE_PERF_REGS_SUPPORT
  35 endif
  36
  37 ifeq ($(src-perf),)
  38 src-perf := $(srctree)/tools/perf
  39 endif
  40
  41 ifeq ($(obj-perf),)
  42 obj-perf := $(OUTPUT)
  43 endif
  44
  45 ifneq ($(obj-perf),)
  46 obj-perf := $(abspath $(obj-perf))/
  47 endif
  48
  49 LIB_INCLUDE := $(srctree)/tools/lib/
  50
  51 # include ARCH specific config
  52 -include $(src-perf)/arch/$(ARCH)/Makefile
  53
  54 include $(src-perf)/config/feature-tests.mak
  55 include $(src-perf)/config/utilities.mak
  56
  57 ifeq ($(call get-executable,$(FLEX)),)
  58   dummy := $(error Error: $(FLEX) is missing on this system, please install it)
  59 endif
  60
  61 ifeq ($(call get-executable,$(BISON)),)
  62   dummy := $(error Error: $(BISON) is missing on this system, please install it)
  63 endif
  64
  65 # Treat warnings as errors unless directed not to
  66 ifneq ($(WERROR),0)
  67   CFLAGS += -Werror
  68 endif
  69
  70 ifeq ("$(origin DEBUG)", "command line")
  71   PERF_DEBUG = $(DEBUG)
  72 endif
  73 ifndef PERF_DEBUG
  74   CFLAGS += -O6
  75 endif
  76
  77 ifdef PARSER_DEBUG
  78   PARSER_DEBUG_BISON := -t
  79   PARSER_DEBUG_FLEX  := -d
  80   CFLAGS             += -DPARSER_DEBUG
  81 endif
  82
  83 CFLAGS += -fno-omit-frame-pointer
  84 CFLAGS += -ggdb3
  85 CFLAGS += -funwind-tables
  86 CFLAGS += -Wall
  87 CFLAGS += -Wextra
  88 CFLAGS += -std=gnu99
  89
  90 EXTLIBS = -lelf -lpthread -lrt -lm -ldl
  91
  92 feature_check = $(eval $(feature_check_code)); $(info CHK: config/feature-checks/test-$(1))
  93 define feature_check_code
  94   feature-$(2) := $(shell make -C config/feature-checks test-$1 >/dev/null 2>/dev/null && echo 1 || echo 0)
  95 endef
  96
  97 #
  98 # Build the feature check binaries in parallel, ignore errors, ignore return value and suppress output:
  99 #
 100 $(info Testing features:)
 101 $(shell make -i -j -C config/feature-checks >/dev/null 2>&1)
 102 $(info done)
 103
 104 FEATURE_TESTS =                         \
 105         hello                           \
 106         stackprotector-all              \
 107         stackprotector                  \
 108         volatile-register-var           \
 109         fortify-source                  \
 110         libnuma
 111
 112 $(foreach test,$(FEATURE_TESTS),$(call feature_check,$(test),$(test)))
 113
 114 ifeq ($(feature-stackprotector-all), 1)
 115   CFLAGS += -fstack-protector-all
 116 endif
 117
 118 ifeq ($(feature-stackprotector), 1)
 119   CFLAGS += -Wstack-protector
 120 endif
 121
 122 ifeq ($(feature-volatile-register-var), 1)
 123   CFLAGS += -Wvolatile-register-var
 124 endif
 125
 126 ifndef PERF_DEBUG
 127   ifeq ($(feature-fortify-source), 1)
 128     CFLAGS += -D_FORTIFY_SOURCE=2
 129   endif
 130 endif
 131
 132 CFLAGS += -I$(src-perf)/util/include
 133 CFLAGS += -I$(src-perf)/arch/$(ARCH)/include
 134 CFLAGS += -I$(srctree)/arch/$(ARCH)/include/uapi
 135 CFLAGS += -I$(srctree)/arch/$(ARCH)/include
 136 CFLAGS += -I$(srctree)/include/uapi
 137 CFLAGS += -I$(srctree)/include
 138
 139 # $(obj-perf)      for generated common-cmds.h
 140 # $(obj-perf)/util for generated bison/flex headers
 141 ifneq ($(OUTPUT),)
 142 CFLAGS += -I$(obj-perf)/util
 143 CFLAGS += -I$(obj-perf)
 144 endif
 145
 146 CFLAGS += -I$(src-perf)/util
 147 CFLAGS += -I$(src-perf)
 148 CFLAGS += -I$(LIB_INCLUDE)
 149
 150 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
 151
 152 ifndef NO_BIONIC
 153 ifeq ($(call try-cc,$(SOURCE_BIONIC),$(CFLAGS),bionic),y)
 154   BIONIC := 1
 155   EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
 156   EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
 157 endif
 158 endif # NO_BIONIC
 159
 160 ifdef NO_LIBELF
 161   NO_DWARF := 1
 162   NO_DEMANGLE := 1
 163   NO_LIBUNWIND := 1
 164 else
 165 FLAGS_LIBELF=$(CFLAGS) $(LDFLAGS) $(EXTLIBS)
 166 ifneq ($(call try-cc,$(SOURCE_LIBELF),$(FLAGS_LIBELF),libelf),y)
 167   FLAGS_GLIBC=$(CFLAGS) $(LDFLAGS)
 168   ifeq ($(call try-cc,$(SOURCE_GLIBC),$(FLAGS_GLIBC),glibc),y)
 169     LIBC_SUPPORT := 1
 170   endif
 171   ifeq ($(BIONIC),1)
 172     LIBC_SUPPORT := 1
 173   endif
 174   ifeq ($(LIBC_SUPPORT),1)
 175     msg := $(warning No libelf found, disables 'probe' tool, please install elfutils-libelf-devel/libelf-dev);
 176
 177     NO_LIBELF := 1
 178     NO_DWARF := 1
 179     NO_DEMANGLE := 1
 180   else
 181     msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static);
 182   endif
 183 else
 184   # for linking with debug library, run like:
 185   # make DEBUG=1 LIBDW_DIR=/opt/libdw/
 186   ifdef LIBDW_DIR
 187     LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
 188     LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
 189   endif
 190
 191   FLAGS_DWARF=$(CFLAGS) $(LIBDW_CFLAGS) -ldw -lz -lelf $(LIBDW_LDFLAGS) $(LDFLAGS) $(EXTLIBS)
 192   ifneq ($(call try-cc,$(SOURCE_DWARF),$(FLAGS_DWARF),libdw),y)
 193     msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
 194     NO_DWARF := 1
 195   endif # Dwarf support
 196 endif # SOURCE_LIBELF
 197 endif # NO_LIBELF
 198
 199 ifndef NO_LIBELF
 200 CFLAGS += -DHAVE_LIBELF_SUPPORT
 201 FLAGS_LIBELF=$(CFLAGS) $(LDFLAGS) $(EXTLIBS)
 202 ifeq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_LIBELF),-DHAVE_LIBELF_MMAP_SUPPORT),y)
 203   CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
 204 endif
 205 ifeq ($(call try-cc,$(SOURCE_ELF_GETPHDRNUM),$(FLAGS_LIBELF),-DHAVE_ELF_GETPHDRNUM_SUPPORT),y)
 206   CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
 207 endif
 208
 209 # include ARCH specific config
 210 -include $(src-perf)/arch/$(ARCH)/Makefile
 211
 212 ifndef NO_DWARF
 213 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
 214   msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
 215   NO_DWARF := 1
 216 else
 217   CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
 218   LDFLAGS += $(LIBDW_LDFLAGS)
 219   EXTLIBS += -lelf -ldw
 220 endif # PERF_HAVE_DWARF_REGS
 221 endif # NO_DWARF
 222
 223 endif # NO_LIBELF
 224
 225 ifndef NO_LIBELF
 226 CFLAGS += -DHAVE_LIBELF_SUPPORT
 227 FLAGS_LIBELF=$(CFLAGS) $(LDFLAGS) $(EXTLIBS)
 228 ifeq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_LIBELF),-DHAVE_LIBELF_MMAP_SUPPORT),y)
 229   CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
 230 endif # try-cc
 231 endif # NO_LIBELF
 232
 233 # There's only x86 (both 32 and 64) support for CFI unwind so far
 234 ifneq ($(ARCH),x86)
 235   NO_LIBUNWIND := 1
 236 endif
 237
 238 ifndef NO_LIBUNWIND
 239 # for linking with debug library, run like:
 240 # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
 241 ifdef LIBUNWIND_DIR
 242   LIBUNWIND_CFLAGS  := -I$(LIBUNWIND_DIR)/include
 243   LIBUNWIND_LDFLAGS := -L$(LIBUNWIND_DIR)/lib
 244 endif
 245
 246 FLAGS_UNWIND=$(LIBUNWIND_CFLAGS) $(CFLAGS) $(LIBUNWIND_LDFLAGS) $(LDFLAGS) $(EXTLIBS) $(LIBUNWIND_LIBS)
 247 ifneq ($(call try-cc,$(SOURCE_LIBUNWIND),$(FLAGS_UNWIND),libunwind),y)
 248   msg := $(warning No libunwind found, disabling post unwind support. Please install libunwind-dev[el] >= 0.99);
 249   NO_LIBUNWIND := 1
 250 endif # Libunwind support
 251 endif # NO_LIBUNWIND
 252
 253 ifndef NO_LIBUNWIND
 254   CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
 255   EXTLIBS += $(LIBUNWIND_LIBS)
 256   CFLAGS += $(LIBUNWIND_CFLAGS)
 257   LDFLAGS += $(LIBUNWIND_LDFLAGS)
 258 endif # NO_LIBUNWIND
 259
 260 ifndef NO_LIBAUDIT
 261   FLAGS_LIBAUDIT = $(CFLAGS) $(LDFLAGS) -laudit
 262   ifneq ($(call try-cc,$(SOURCE_LIBAUDIT),$(FLAGS_LIBAUDIT),libaudit),y)
 263     msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
 264     NO_LIBAUDIT := 1
 265   else
 266     CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
 267     EXTLIBS += -laudit
 268   endif
 269 endif
 270
 271 ifdef NO_NEWT
 272   NO_SLANG=1
 273 endif
 274
 275 ifndef NO_SLANG
 276   FLAGS_SLANG=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) -I/usr/include/slang -lslang
 277   ifneq ($(call try-cc,$(SOURCE_SLANG),$(FLAGS_SLANG),libslang),y)
 278     msg := $(warning slang not found, disables TUI support. Please install slang-devel or libslang-dev);
 279     NO_SLANG := 1
 280   else
 281     # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
 282     CFLAGS += -I/usr/include/slang
 283     CFLAGS += -DHAVE_SLANG_SUPPORT
 284     EXTLIBS += -lslang
 285   endif
 286 endif
 287
 288 ifndef NO_GTK2
 289   FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null)
 290   ifneq ($(call try-cc,$(SOURCE_GTK2),$(FLAGS_GTK2),gtk2),y)
 291     msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
 292     NO_GTK2 := 1
 293   else
 294     ifeq ($(call try-cc,$(SOURCE_GTK2_INFOBAR),$(FLAGS_GTK2),-DHAVE_GTK_INFO_BAR_SUPPORT),y)
 295       CFLAGS += -DHAVE_GTK_INFO_BAR_SUPPORT
 296     endif
 297     CFLAGS += -DHAVE_GTK2_SUPPORT
 298     CFLAGS += $(shell pkg-config --cflags gtk+-2.0 2>/dev/null)
 299     EXTLIBS += $(shell pkg-config --libs gtk+-2.0 2>/dev/null)
 300   endif
 301 endif
 302
 303 grep-libs  = $(filter -l%,$(1))
 304 strip-libs = $(filter-out -l%,$(1))
 305
 306 ifdef NO_LIBPERL
 307   CFLAGS += -DNO_LIBPERL
 308 else
 309   PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
 310   PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
 311   PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
 312   PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
 313   FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
 314
 315   ifneq ($(call try-cc,$(SOURCE_PERL_EMBED),$(FLAGS_PERL_EMBED),perl),y)
 316     CFLAGS += -DNO_LIBPERL
 317     NO_LIBPERL := 1
 318   else
 319     LDFLAGS += $(PERL_EMBED_LDFLAGS)
 320     EXTLIBS += $(PERL_EMBED_LIBADD)
 321   endif
 322 endif
 323
 324 disable-python = $(eval $(disable-python_code))
 325 define disable-python_code
 326   CFLAGS += -DNO_LIBPYTHON
 327   $(if $(1),$(warning No $(1) was found))
 328   $(warning Python support will not be built)
 329   NO_LIBPYTHON := 1
 330 endef
 331
 332 override PYTHON := \
 333   $(call get-executable-or-default,PYTHON,python)
 334
 335 ifndef PYTHON
 336   $(call disable-python,python interpreter)
 337 else
 338
 339   PYTHON_WORD := $(call shell-wordify,$(PYTHON))
 340
 341   ifdef NO_LIBPYTHON
 342     $(call disable-python)
 343   else
 344
 345     override PYTHON_CONFIG := \
 346       $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON)-config)
 347
 348     ifndef PYTHON_CONFIG
 349       $(call disable-python,python-config tool)
 350     else
 351
 352       PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
 353
 354       PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
 355       PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
 356       PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS))
 357       PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
 358       FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
 359
 360       ifneq ($(call try-cc,$(SOURCE_PYTHON_EMBED),$(FLAGS_PYTHON_EMBED),python),y)
 361         $(call disable-python,Python.h (for Python 2.x))
 362       else
 363
 364         ifneq ($(call try-cc,$(SOURCE_PYTHON_VERSION),$(FLAGS_PYTHON_EMBED),python version),y)
 365           $(warning Python 3 is not yet supported; please set)
 366           $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
 367           $(warning If you also have Python 2 installed, then)
 368           $(warning try something like:)
 369           $(warning $(and ,))
 370           $(warning $(and ,)  make PYTHON=python2)
 371           $(warning $(and ,))
 372           $(warning Otherwise, disable Python support entirely:)
 373           $(warning $(and ,))
 374           $(warning $(and ,)  make NO_LIBPYTHON=1)
 375           $(warning $(and ,))
 376           $(error   $(and ,))
 377         else
 378           LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
 379           EXTLIBS += $(PYTHON_EMBED_LIBADD)
 380           LANG_BINDINGS += $(obj-perf)python/perf.so
 381         endif
 382       endif
 383     endif
 384   endif
 385 endif
 386
 387 ifdef NO_DEMANGLE
 388   CFLAGS += -DNO_DEMANGLE
 389 else
 390   ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
 391     EXTLIBS += -liberty
 392     CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
 393   else
 394     FLAGS_BFD=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) -DPACKAGE='perf' -lbfd
 395     has_bfd := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD),libbfd)
 396     ifeq ($(has_bfd),y)
 397       EXTLIBS += -lbfd
 398     else
 399       FLAGS_BFD_IBERTY=$(FLAGS_BFD) -liberty
 400       has_bfd_iberty := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY),liberty)
 401       ifeq ($(has_bfd_iberty),y)
 402         EXTLIBS += -lbfd -liberty
 403       else
 404         FLAGS_BFD_IBERTY_Z=$(FLAGS_BFD_IBERTY) -lz
 405         has_bfd_iberty_z := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY_Z),libz)
 406         ifeq ($(has_bfd_iberty_z),y)
 407           EXTLIBS += -lbfd -liberty -lz
 408         else
 409           FLAGS_CPLUS_DEMANGLE=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) -liberty
 410           has_cplus_demangle := $(call try-cc,$(SOURCE_CPLUS_DEMANGLE),$(FLAGS_CPLUS_DEMANGLE),demangle)
 411           ifeq ($(has_cplus_demangle),y)
 412             EXTLIBS += -liberty
 413             CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
 414           else
 415             msg := $(warning No bfd.h/libbfd found, install binutils-dev[el]/zlib-static to gain symbol demangling)
 416             CFLAGS += -DNO_DEMANGLE
 417           endif
 418         endif
 419       endif
 420     endif
 421   endif
 422 endif
 423
 424 ifndef NO_STRLCPY
 425   ifeq ($(call try-cc,$(SOURCE_STRLCPY),,-DHAVE_STRLCPY_SUPPORT),y)
 426     CFLAGS += -DHAVE_STRLCPY_SUPPORT
 427   endif
 428 endif
 429
 430 ifndef NO_ON_EXIT
 431   ifeq ($(call try-cc,$(SOURCE_ON_EXIT),,-DHAVE_ON_EXIT_SUPPORT),y)
 432     CFLAGS += -DHAVE_ON_EXIT_SUPPORT
 433   endif
 434 endif
 435
 436 ifndef NO_BACKTRACE
 437   ifeq ($(call try-cc,$(SOURCE_BACKTRACE),,-DHAVE_BACKTRACE_SUPPORT),y)
 438     CFLAGS += -DHAVE_BACKTRACE_SUPPORT
 439   endif
 440 endif
 441
 442 ifndef NO_LIBNUMA
 443   ifeq ($(feature-libnuma), 0)
 444     msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numa-libs-devel or libnuma-dev);
 445     NO_LIBNUMA := 1
 446   else
 447     CFLAGS += -DHAVE_LIBNUMA_SUPPORT
 448     EXTLIBS += -lnuma
 449   endif
 450 endif
 451
 452 # Among the variables below, these:
 453 #   perfexecdir
 454 #   template_dir
 455 #   mandir
 456 #   infodir
 457 #   htmldir
 458 #   ETC_PERFCONFIG (but not sysconfdir)
 459 # can be specified as a relative path some/where/else;
 460 # this is interpreted as relative to $(prefix) and "perf" at
 461 # runtime figures out where they are based on the path to the executable.
 462 # This can help installing the suite in a relocatable way.
 463
 464 # Make the path relative to DESTDIR, not to prefix
 465 ifndef DESTDIR
 466 prefix = $(HOME)
 467 endif
 468 bindir_relative = bin
 469 bindir = $(prefix)/$(bindir_relative)
 470 mandir = share/man
 471 infodir = share/info
 472 perfexecdir = libexec/perf-core
 473 sharedir = $(prefix)/share
 474 template_dir = share/perf-core/templates
 475 htmldir = share/doc/perf-doc
 476 ifeq ($(prefix),/usr)
 477 sysconfdir = /etc
 478 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
 479 else
 480 sysconfdir = $(prefix)/etc
 481 ETC_PERFCONFIG = etc/perfconfig
 482 endif
 483 lib = lib
 484
 485 # Shell quote (do not use $(call) to accommodate ancient setups);
 486 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
 487 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
 488 bindir_SQ = $(subst ','\'',$(bindir))
 489 mandir_SQ = $(subst ','\'',$(mandir))
 490 infodir_SQ = $(subst ','\'',$(infodir))
 491 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
 492 template_dir_SQ = $(subst ','\'',$(template_dir))
 493 htmldir_SQ = $(subst ','\'',$(htmldir))
 494 prefix_SQ = $(subst ','\'',$(prefix))
 495 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
 496
 497 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
 498 perfexec_instdir = $(perfexecdir)
 499 else
 500 perfexec_instdir = $(prefix)/$(perfexecdir)
 501 endif
 502 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))