tools/perf/config/Makefile

   1
   2 ifeq ($(src-perf),)
   3 src-perf := $(srctree)/tools/perf
   4 endif
   5
   6 ifeq ($(obj-perf),)
   7 obj-perf := $(OUTPUT)
   8 endif
   9
  10 ifneq ($(obj-perf),)
  11 obj-perf := $(abspath $(obj-perf))/
  12 endif
  13
  14 $(shell printf "" > $(OUTPUT).config-detected)
  15 detected     = $(shell echo "$(1)=y"       >> $(OUTPUT).config-detected)
  16 detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
  17
  18 CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
  19
  20 include $(src-perf)/config/Makefile.arch
  21
  22 $(call detected_var,ARCH)
  23
  24 NO_PERF_REGS := 1
  25
  26 # Additional ARCH settings for x86
  27 ifeq ($(ARCH),x86)
  28   $(call detected,CONFIG_X86)
  29   ifeq (${IS_64_BIT}, 1)
  30     CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT
  31     ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
  32     LIBUNWIND_LIBS = -lunwind -lunwind-x86_64
  33     $(call detected,CONFIG_X86_64)
  34   else
  35     LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
  36   endif
  37   NO_PERF_REGS := 0
  38 endif
  39
  40 ifeq ($(ARCH),arm)
  41   NO_PERF_REGS := 0
  42   LIBUNWIND_LIBS = -lunwind -lunwind-arm
  43 endif
  44
  45 ifeq ($(ARCH),arm64)
  46   NO_PERF_REGS := 0
  47   LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
  48 endif
  49
  50 ifeq ($(NO_PERF_REGS),0)
  51   $(call detected,CONFIG_PERF_REGS)
  52 endif
  53
  54 # So far there's only x86 and arm libdw unwind support merged in perf.
  55 # Disable it on all other architectures in case libdw unwind
  56 # support is detected in system. Add supported architectures
  57 # to the check.
  58 ifneq ($(ARCH),$(filter $(ARCH),x86 arm))
  59   NO_LIBDW_DWARF_UNWIND := 1
  60 endif
  61
  62 ifeq ($(LIBUNWIND_LIBS),)
  63   NO_LIBUNWIND := 1
  64 else
  65   #
  66   # For linking with debug library, run like:
  67   #
  68   #   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
  69   #
  70   ifdef LIBUNWIND_DIR
  71     LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/include
  72     LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
  73   endif
  74   LIBUNWIND_LDFLAGS += $(LIBUNWIND_LIBS)
  75
  76   # Set per-feature check compilation flags
  77   FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
  78   FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS)
  79   FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
  80   FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS)
  81 endif
  82
  83 ifeq ($(NO_PERF_REGS),0)
  84   CFLAGS += -DHAVE_PERF_REGS_SUPPORT
  85 endif
  86
  87 ifndef NO_LIBELF
  88   # for linking with debug library, run like:
  89   # make DEBUG=1 LIBDW_DIR=/opt/libdw/
  90   ifdef LIBDW_DIR
  91     LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
  92     LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
  93   endif
  94   FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
  95   FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) -ldw
  96 endif
  97
  98 ifdef LIBBABELTRACE
  99   # for linking with debug library, run like:
 100   # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
 101   ifdef LIBBABELTRACE_DIR
 102     LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_DIR)/include
 103     LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
 104   endif
 105   FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
 106   FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
 107 endif
 108
 109 FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/arch/$(ARCH)/include/uapi -I$(srctree)/include/uapi
 110 # include ARCH specific config
 111 -include $(src-perf)/arch/$(ARCH)/Makefile
 112
 113 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
 114   CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
 115 endif
 116
 117 include $(src-perf)/config/utilities.mak
 118
 119 ifeq ($(call get-executable,$(FLEX)),)
 120   dummy := $(error Error: $(FLEX) is missing on this system, please install it)
 121 endif
 122
 123 ifeq ($(call get-executable,$(BISON)),)
 124   dummy := $(error Error: $(BISON) is missing on this system, please install it)
 125 endif
 126
 127 # Treat warnings as errors unless directed not to
 128 ifneq ($(WERROR),0)
 129   CFLAGS += -Werror
 130 endif
 131
 132 ifndef DEBUG
 133   DEBUG := 0
 134 endif
 135
 136 ifeq ($(DEBUG),0)
 137   CFLAGS += -O6
 138 else
 139   CFLAGS += $(call cc-option,-Og,-O0)
 140 endif
 141
 142 ifdef PARSER_DEBUG
 143   PARSER_DEBUG_BISON := -t
 144   PARSER_DEBUG_FLEX  := -d
 145   CFLAGS             += -DPARSER_DEBUG
 146   $(call detected_var,PARSER_DEBUG_BISON)
 147   $(call detected_var,PARSER_DEBUG_FLEX)
 148 endif
 149
 150 ifndef NO_LIBPYTHON
 151   # Try different combinations to accommodate systems that only have
 152   # python[2][-config] in weird combinations but always preferring
 153   # python2 and python2-config as per pep-0394. If we catch a
 154   # python[-config] in version 3, the version check will kill it.
 155   PYTHON2 := $(if $(call get-executable,python2),python2,python)
 156   override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
 157   PYTHON2_CONFIG := \
 158     $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
 159   override PYTHON_CONFIG := \
 160     $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
 161
 162   PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
 163
 164   PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
 165   PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
 166
 167   FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
 168   FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
 169   FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
 170   FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
 171 endif
 172
 173 CFLAGS += -fno-omit-frame-pointer
 174 CFLAGS += -ggdb3
 175 CFLAGS += -funwind-tables
 176 CFLAGS += -Wall
 177 CFLAGS += -Wextra
 178 CFLAGS += -std=gnu99
 179
 180 # Enforce a non-executable stack, as we may regress (again) in the future by
 181 # adding assembler files missing the .GNU-stack linker note.
 182 LDFLAGS += -Wl,-z,noexecstack
 183
 184 EXTLIBS = -lpthread -lrt -lm -ldl
 185
 186 include $(srctree)/tools/build/Makefile.feature
 187
 188 ifeq ($(feature-stackprotector-all), 1)
 189   CFLAGS += -fstack-protector-all
 190 endif
 191
 192 ifeq ($(DEBUG),0)
 193   ifeq ($(feature-fortify-source), 1)
 194     CFLAGS += -D_FORTIFY_SOURCE=2
 195   endif
 196 endif
 197
 198 CFLAGS += -I$(src-perf)/util/include
 199 CFLAGS += -I$(src-perf)/arch/$(ARCH)/include
 200 CFLAGS += -I$(srctree)/tools/include/
 201 CFLAGS += -I$(srctree)/arch/$(ARCH)/include/uapi
 202 CFLAGS += -I$(srctree)/arch/$(ARCH)/include
 203 CFLAGS += -I$(srctree)/tools/arch/$(ARCH)/include
 204 CFLAGS += -I$(srctree)/include/uapi
 205 CFLAGS += -I$(srctree)/include
 206
 207 # $(obj-perf)      for generated common-cmds.h
 208 # $(obj-perf)/util for generated bison/flex headers
 209 ifneq ($(OUTPUT),)
 210 CFLAGS += -I$(obj-perf)/util
 211 CFLAGS += -I$(obj-perf)
 212 endif
 213
 214 CFLAGS += -I$(src-perf)/util
 215 CFLAGS += -I$(src-perf)
 216 CFLAGS += -I$(srctree)/tools/lib/
 217
 218 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
 219
 220 ifeq ($(feature-sync-compare-and-swap), 1)
 221   CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
 222 endif
 223
 224 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
 225   CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
 226 endif
 227
 228 ifndef NO_BIONIC
 229   $(call feature_check,bionic)
 230   ifeq ($(feature-bionic), 1)
 231     BIONIC := 1
 232     EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
 233     EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
 234   endif
 235 endif
 236
 237 ifdef NO_LIBELF
 238   NO_DWARF := 1
 239   NO_DEMANGLE := 1
 240   NO_LIBUNWIND := 1
 241   NO_LIBDW_DWARF_UNWIND := 1
 242   NO_LIBBPF := 1
 243 else
 244   ifeq ($(feature-libelf), 0)
 245     ifeq ($(feature-glibc), 1)
 246       LIBC_SUPPORT := 1
 247     endif
 248     ifeq ($(BIONIC),1)
 249       LIBC_SUPPORT := 1
 250     endif
 251     ifeq ($(LIBC_SUPPORT),1)
 252       msg := $(warning No libelf found, disables 'probe' tool and BPF support in 'perf record', please install elfutils-libelf-devel/libelf-dev);
 253
 254       NO_LIBELF := 1
 255       NO_DWARF := 1
 256       NO_DEMANGLE := 1
 257       NO_LIBUNWIND := 1
 258       NO_LIBDW_DWARF_UNWIND := 1
 259       NO_LIBBPF := 1
 260     else
 261       ifneq ($(filter s% -static%,$(LDFLAGS),),)
 262         msg := $(error No static glibc found, please install glibc-static);
 263       else
 264         msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
 265       endif
 266     endif
 267   else
 268     ifndef NO_LIBDW_DWARF_UNWIND
 269       ifneq ($(feature-libdw-dwarf-unwind),1)
 270         NO_LIBDW_DWARF_UNWIND := 1
 271         msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
 272       endif
 273     endif
 274     ifneq ($(feature-dwarf), 1)
 275       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);
 276       NO_DWARF := 1
 277     endif # Dwarf support
 278   endif # libelf support
 279 endif # NO_LIBELF
 280
 281 ifdef NO_DWARF
 282   NO_LIBDW_DWARF_UNWIND := 1
 283 endif
 284
 285 ifndef NO_LIBELF
 286   CFLAGS += -DHAVE_LIBELF_SUPPORT
 287   EXTLIBS += -lelf
 288   $(call detected,CONFIG_LIBELF)
 289
 290   ifeq ($(feature-libelf-mmap), 1)
 291     CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
 292   endif
 293
 294   ifeq ($(feature-libelf-getphdrnum), 1)
 295     CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
 296   endif
 297
 298   # include ARCH specific config
 299   -include $(src-perf)/arch/$(ARCH)/Makefile
 300
 301   ifndef NO_DWARF
 302     ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
 303       msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
 304       NO_DWARF := 1
 305     else
 306       CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
 307       LDFLAGS += $(LIBDW_LDFLAGS)
 308       DWARFLIBS := -ldw
 309       ifeq ($(findstring -static,${LDFLAGS}),-static)
 310         DWARFLIBS += -lelf -lebl -lz -llzma -lbz2
 311       endif
 312       EXTLIBS += ${DWARFLIBS}
 313       $(call detected,CONFIG_DWARF)
 314     endif # PERF_HAVE_DWARF_REGS
 315   endif # NO_DWARF
 316
 317   ifndef NO_LIBBPF
 318     ifeq ($(feature-bpf), 1)
 319       CFLAGS += -DHAVE_LIBBPF_SUPPORT
 320       $(call detected,CONFIG_LIBBPF)
 321     endif
 322   endif # NO_LIBBPF
 323 endif # NO_LIBELF
 324
 325 ifeq ($(ARCH),powerpc)
 326   ifndef NO_DWARF
 327     CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
 328   endif
 329 endif
 330
 331 ifndef NO_LIBUNWIND
 332   ifneq ($(feature-libunwind), 1)
 333     msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
 334     NO_LIBUNWIND := 1
 335   endif
 336 endif
 337
 338 ifndef NO_LIBBPF
 339   ifneq ($(feature-bpf), 1)
 340     msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
 341     NO_LIBBPF := 1
 342   endif
 343 endif
 344
 345 dwarf-post-unwind := 1
 346 dwarf-post-unwind-text := BUG
 347
 348 # setup DWARF post unwinder
 349 ifdef NO_LIBUNWIND
 350   ifdef NO_LIBDW_DWARF_UNWIND
 351     msg := $(warning Disabling post unwind, no support found.);
 352     dwarf-post-unwind := 0
 353   else
 354     dwarf-post-unwind-text := libdw
 355     $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
 356   endif
 357 else
 358   dwarf-post-unwind-text := libunwind
 359   $(call detected,CONFIG_LIBUNWIND)
 360   # Enable libunwind support by default.
 361   ifndef NO_LIBDW_DWARF_UNWIND
 362     NO_LIBDW_DWARF_UNWIND := 1
 363   endif
 364 endif
 365
 366 ifeq ($(dwarf-post-unwind),1)
 367   CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
 368   $(call detected,CONFIG_DWARF_UNWIND)
 369 else
 370   NO_DWARF_UNWIND := 1
 371 endif
 372
 373 ifndef NO_LIBUNWIND
 374   ifeq ($(ARCH),$(filter $(ARCH),arm arm64))
 375     $(call feature_check,libunwind-debug-frame)
 376     ifneq ($(feature-libunwind-debug-frame), 1)
 377       msg := $(warning No debug_frame support found in libunwind);
 378       CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
 379     endif
 380   else
 381     # non-ARM has no dwarf_find_debug_frame() function:
 382     CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
 383   endif
 384   CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
 385   EXTLIBS += $(LIBUNWIND_LIBS)
 386   CFLAGS  += $(LIBUNWIND_CFLAGS)
 387   LDFLAGS += $(LIBUNWIND_LDFLAGS)
 388 endif
 389
 390 ifndef NO_LIBAUDIT
 391   ifneq ($(feature-libaudit), 1)
 392     msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
 393     NO_LIBAUDIT := 1
 394   else
 395     CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
 396     EXTLIBS += -laudit
 397     $(call detected,CONFIG_AUDIT)
 398   endif
 399 endif
 400
 401 ifdef NO_NEWT
 402   NO_SLANG=1
 403 endif
 404
 405 ifndef NO_SLANG
 406   ifneq ($(feature-libslang), 1)
 407     msg := $(warning slang not found, disables TUI support. Please install slang-devel or libslang-dev);
 408     NO_SLANG := 1
 409   else
 410     # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
 411     CFLAGS += -I/usr/include/slang
 412     CFLAGS += -DHAVE_SLANG_SUPPORT
 413     EXTLIBS += -lslang
 414     $(call detected,CONFIG_SLANG)
 415   endif
 416 endif
 417
 418 ifndef NO_GTK2
 419   FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
 420   ifneq ($(feature-gtk2), 1)
 421     msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
 422     NO_GTK2 := 1
 423   else
 424     ifeq ($(feature-gtk2-infobar), 1)
 425       GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
 426     endif
 427     CFLAGS += -DHAVE_GTK2_SUPPORT
 428     GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
 429     GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
 430     EXTLIBS += -ldl
 431   endif
 432 endif
 433
 434 grep-libs  = $(filter -l%,$(1))
 435 strip-libs = $(filter-out -l%,$(1))
 436
 437 ifdef NO_LIBPERL
 438   CFLAGS += -DNO_LIBPERL
 439 else
 440   PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
 441   PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
 442   PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
 443   PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
 444   FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
 445
 446   ifneq ($(feature-libperl), 1)
 447     CFLAGS += -DNO_LIBPERL
 448     NO_LIBPERL := 1
 449     msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
 450   else
 451     LDFLAGS += $(PERL_EMBED_LDFLAGS)
 452     EXTLIBS += $(PERL_EMBED_LIBADD)
 453     $(call detected,CONFIG_LIBPERL)
 454   endif
 455 endif
 456
 457 ifeq ($(feature-timerfd), 1)
 458   CFLAGS += -DHAVE_TIMERFD_SUPPORT
 459 else
 460   msg := $(warning No timerfd support. Disables 'perf kvm stat live');
 461 endif
 462
 463 disable-python = $(eval $(disable-python_code))
 464 define disable-python_code
 465   CFLAGS += -DNO_LIBPYTHON
 466   $(warning $1)
 467   NO_LIBPYTHON := 1
 468 endef
 469
 470 ifdef NO_LIBPYTHON
 471   $(call disable-python,Python support disabled by user)
 472 else
 473
 474   ifndef PYTHON
 475     $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
 476   else
 477     PYTHON_WORD := $(call shell-wordify,$(PYTHON))
 478
 479     ifndef PYTHON_CONFIG
 480       $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
 481     else
 482
 483       PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
 484
 485       PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
 486       PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
 487       PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS))
 488       PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
 489       FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
 490
 491       ifneq ($(feature-libpython), 1)
 492         $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
 493       else
 494
 495         ifneq ($(feature-libpython-version), 1)
 496           $(warning Python 3 is not yet supported; please set)
 497           $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
 498           $(warning If you also have Python 2 installed, then)
 499           $(warning try something like:)
 500           $(warning $(and ,))
 501           $(warning $(and ,)  make PYTHON=python2)
 502           $(warning $(and ,))
 503           $(warning Otherwise, disable Python support entirely:)
 504           $(warning $(and ,))
 505           $(warning $(and ,)  make NO_LIBPYTHON=1)
 506           $(warning $(and ,))
 507           $(error   $(and ,))
 508         else
 509           LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
 510           EXTLIBS += $(PYTHON_EMBED_LIBADD)
 511           LANG_BINDINGS += $(obj-perf)python/perf.so
 512           $(call detected,CONFIG_LIBPYTHON)
 513         endif
 514       endif
 515     endif
 516   endif
 517 endif
 518
 519 ifeq ($(feature-libbfd), 1)
 520   EXTLIBS += -lbfd
 521
 522   # call all detections now so we get correct
 523   # status in VF output
 524   $(call feature_check,liberty)
 525   $(call feature_check,liberty-z)
 526   $(call feature_check,cplus-demangle)
 527
 528   ifeq ($(feature-liberty), 1)
 529     EXTLIBS += -liberty
 530   else
 531     ifeq ($(feature-liberty-z), 1)
 532       EXTLIBS += -liberty -lz
 533     endif
 534   endif
 535 endif
 536
 537 ifdef NO_DEMANGLE
 538   CFLAGS += -DNO_DEMANGLE
 539 else
 540   ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
 541     EXTLIBS += -liberty
 542     CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
 543   else
 544     ifneq ($(feature-libbfd), 1)
 545       ifneq ($(feature-liberty), 1)
 546         ifneq ($(feature-liberty-z), 1)
 547           # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
 548           # or any of 'bfd iberty z' trinity
 549           ifeq ($(feature-cplus-demangle), 1)
 550             EXTLIBS += -liberty
 551             CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
 552           else
 553             msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
 554             CFLAGS += -DNO_DEMANGLE
 555           endif
 556         endif
 557       endif
 558     endif
 559   endif
 560 endif
 561
 562 ifneq ($(filter -lbfd,$(EXTLIBS)),)
 563   CFLAGS += -DHAVE_LIBBFD_SUPPORT
 564 endif
 565
 566 ifndef NO_ZLIB
 567   ifeq ($(feature-zlib), 1)
 568     CFLAGS += -DHAVE_ZLIB_SUPPORT
 569     EXTLIBS += -lz
 570     $(call detected,CONFIG_ZLIB)
 571   else
 572     NO_ZLIB := 1
 573   endif
 574 endif
 575
 576 ifndef NO_LZMA
 577   ifeq ($(feature-lzma), 1)
 578     CFLAGS += -DHAVE_LZMA_SUPPORT
 579     EXTLIBS += -llzma
 580     $(call detected,CONFIG_LZMA)
 581   else
 582     msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
 583     NO_LZMA := 1
 584   endif
 585 endif
 586
 587 ifndef NO_BACKTRACE
 588   ifeq ($(feature-backtrace), 1)
 589     CFLAGS += -DHAVE_BACKTRACE_SUPPORT
 590   endif
 591 endif
 592
 593 ifndef NO_LIBNUMA
 594   ifeq ($(feature-libnuma), 0)
 595     msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
 596     NO_LIBNUMA := 1
 597   else
 598     ifeq ($(feature-numa_num_possible_cpus), 0)
 599       msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
 600       NO_LIBNUMA := 1
 601     else
 602       CFLAGS += -DHAVE_LIBNUMA_SUPPORT
 603       EXTLIBS += -lnuma
 604       $(call detected,CONFIG_NUMA)
 605     endif
 606   endif
 607 endif
 608
 609 ifdef HAVE_KVM_STAT_SUPPORT
 610     CFLAGS += -DHAVE_KVM_STAT_SUPPORT
 611 endif
 612
 613 ifeq (${IS_64_BIT}, 1)
 614   ifndef NO_PERF_READ_VDSO32
 615     $(call feature_check,compile-32)
 616     ifeq ($(feature-compile-32), 1)
 617       CFLAGS += -DHAVE_PERF_READ_VDSO32
 618     else
 619       NO_PERF_READ_VDSO32 := 1
 620     endif
 621   endif
 622   ifneq ($(ARCH), x86)
 623     NO_PERF_READ_VDSOX32 := 1
 624   endif
 625   ifndef NO_PERF_READ_VDSOX32
 626     $(call feature_check,compile-x32)
 627     ifeq ($(feature-compile-x32), 1)
 628       CFLAGS += -DHAVE_PERF_READ_VDSOX32
 629     else
 630       NO_PERF_READ_VDSOX32 := 1
 631     endif
 632   endif
 633 else
 634   NO_PERF_READ_VDSO32 := 1
 635   NO_PERF_READ_VDSOX32 := 1
 636 endif
 637
 638 ifdef LIBBABELTRACE
 639   $(call feature_check,libbabeltrace)
 640   ifeq ($(feature-libbabeltrace), 1)
 641     CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
 642     LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
 643     EXTLIBS += -lbabeltrace-ctf
 644     $(call detected,CONFIG_LIBBABELTRACE)
 645   else
 646     msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
 647   endif
 648 endif
 649
 650 ifndef NO_AUXTRACE
 651   ifeq ($(feature-get_cpuid), 0)
 652     msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
 653     NO_AUXTRACE := 1
 654   else
 655     $(call detected,CONFIG_AUXTRACE)
 656     CFLAGS += -DHAVE_AUXTRACE_SUPPORT
 657   endif
 658 endif
 659
 660 # Among the variables below, these:
 661 #   perfexecdir
 662 #   template_dir
 663 #   mandir
 664 #   infodir
 665 #   htmldir
 666 #   ETC_PERFCONFIG (but not sysconfdir)
 667 # can be specified as a relative path some/where/else;
 668 # this is interpreted as relative to $(prefix) and "perf" at
 669 # runtime figures out where they are based on the path to the executable.
 670 # This can help installing the suite in a relocatable way.
 671
 672 # Make the path relative to DESTDIR, not to prefix
 673 ifndef DESTDIR
 674 prefix ?= $(HOME)
 675 endif
 676 bindir_relative = bin
 677 bindir = $(abspath $(prefix)/$(bindir_relative))
 678 mandir = share/man
 679 infodir = share/info
 680 perfexecdir = libexec/perf-core
 681 sharedir = $(prefix)/share
 682 template_dir = share/perf-core/templates
 683 STRACE_GROUPS_DIR = share/perf-core/strace/groups
 684 htmldir = share/doc/perf-doc
 685 ifeq ($(prefix),/usr)
 686 sysconfdir = /etc
 687 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
 688 else
 689 sysconfdir = $(prefix)/etc
 690 ETC_PERFCONFIG = etc/perfconfig
 691 endif
 692 ifndef lib
 693 ifeq ($(ARCH)$(IS_64_BIT), x861)
 694 lib = lib64
 695 else
 696 lib = lib
 697 endif
 698 endif # lib
 699 libdir = $(prefix)/$(lib)
 700
 701 # Shell quote (do not use $(call) to accommodate ancient setups);
 702 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
 703 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
 704 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
 705 bindir_SQ = $(subst ','\'',$(bindir))
 706 mandir_SQ = $(subst ','\'',$(mandir))
 707 infodir_SQ = $(subst ','\'',$(infodir))
 708 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
 709 template_dir_SQ = $(subst ','\'',$(template_dir))
 710 htmldir_SQ = $(subst ','\'',$(htmldir))
 711 prefix_SQ = $(subst ','\'',$(prefix))
 712 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
 713 libdir_SQ = $(subst ','\'',$(libdir))
 714
 715 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
 716 perfexec_instdir = $(perfexecdir)
 717 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
 718 else
 719 perfexec_instdir = $(prefix)/$(perfexecdir)
 720 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
 721 endif
 722 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
 723 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
 724
 725 # If we install to $(HOME) we keep the traceevent default:
 726 # $(HOME)/.traceevent/plugins
 727 # Otherwise we install plugins into the global $(libdir).
 728 ifdef DESTDIR
 729 plugindir=$(libdir)/traceevent/plugins
 730 plugindir_SQ= $(subst ','\'',$(plugindir))
 731 endif
 732
 733 print_var = $(eval $(print_var_code)) $(info $(MSG))
 734 define print_var_code
 735     MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
 736 endef
 737
 738 ifeq ($(VF),1)
 739   $(call print_var,prefix)
 740   $(call print_var,bindir)
 741   $(call print_var,libdir)
 742   $(call print_var,sysconfdir)
 743   $(call print_var,LIBUNWIND_DIR)
 744   $(call print_var,LIBDW_DIR)
 745   $(info )
 746 endif
 747
 748 $(call detected_var,bindir_SQ)
 749 $(call detected_var,PYTHON_WORD)
 750 ifneq ($(OUTPUT),)
 751 $(call detected_var,OUTPUT)
 752 endif
 753 $(call detected_var,htmldir_SQ)
 754 $(call detected_var,infodir_SQ)
 755 $(call detected_var,mandir_SQ)
 756 $(call detected_var,ETC_PERFCONFIG_SQ)
 757 $(call detected_var,STRACE_GROUPS_DIR_SQ)
 758 $(call detected_var,prefix_SQ)
 759 $(call detected_var,perfexecdir_SQ)
 760 $(call detected_var,LIBDIR)
 761 $(call detected_var,GTK_CFLAGS)
 762 $(call detected_var,PERL_EMBED_CCOPTS)
 763 $(call detected_var,PYTHON_EMBED_CCOPTS)