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 $(srctree)/tools/scripts/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 endif
 139
 140 ifdef PARSER_DEBUG
 141   PARSER_DEBUG_BISON := -t
 142   PARSER_DEBUG_FLEX  := -d
 143   CFLAGS             += -DPARSER_DEBUG
 144   $(call detected_var,PARSER_DEBUG_BISON)
 145   $(call detected_var,PARSER_DEBUG_FLEX)
 146 endif
 147
 148 ifndef NO_LIBPYTHON
 149   # Try different combinations to accommodate systems that only have
 150   # python[2][-config] in weird combinations but always preferring
 151   # python2 and python2-config as per pep-0394. If we catch a
 152   # python[-config] in version 3, the version check will kill it.
 153   PYTHON2 := $(if $(call get-executable,python2),python2,python)
 154   override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
 155   PYTHON2_CONFIG := \
 156     $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
 157   override PYTHON_CONFIG := \
 158     $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
 159
 160   PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
 161
 162   PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
 163   PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
 164
 165   FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
 166   FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
 167   FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
 168   FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
 169 endif
 170
 171 CFLAGS += -fno-omit-frame-pointer
 172 CFLAGS += -ggdb3
 173 CFLAGS += -funwind-tables
 174 CFLAGS += -Wall
 175 CFLAGS += -Wextra
 176 CFLAGS += -std=gnu99
 177
 178 # Enforce a non-executable stack, as we may regress (again) in the future by
 179 # adding assembler files missing the .GNU-stack linker note.
 180 LDFLAGS += -Wl,-z,noexecstack
 181
 182 EXTLIBS = -lpthread -lrt -lm -ldl
 183
 184 ifeq ($(FEATURES_DUMP),)
 185 include $(srctree)/tools/build/Makefile.feature
 186 else
 187 include $(FEATURES_DUMP)
 188 endif
 189
 190 ifeq ($(feature-stackprotector-all), 1)
 191   CFLAGS += -fstack-protector-all
 192 endif
 193
 194 ifeq ($(DEBUG),0)
 195   ifeq ($(feature-fortify-source), 1)
 196     CFLAGS += -D_FORTIFY_SOURCE=2
 197   endif
 198 endif
 199
 200 CFLAGS += -I$(src-perf)/util/include
 201 CFLAGS += -I$(src-perf)/arch/$(ARCH)/include
 202 CFLAGS += -I$(srctree)/tools/include/
 203 CFLAGS += -I$(srctree)/arch/$(ARCH)/include/uapi
 204 CFLAGS += -I$(srctree)/arch/$(ARCH)/include
 205 CFLAGS += -I$(srctree)/include/uapi
 206 CFLAGS += -I$(srctree)/include
 207
 208 # $(obj-perf)      for generated common-cmds.h
 209 # $(obj-perf)/util for generated bison/flex headers
 210 ifneq ($(OUTPUT),)
 211 CFLAGS += -I$(obj-perf)/util
 212 CFLAGS += -I$(obj-perf)
 213 endif
 214
 215 CFLAGS += -I$(src-perf)/util
 216 CFLAGS += -I$(src-perf)
 217 CFLAGS += -I$(srctree)/tools/lib/
 218
 219 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
 220
 221 ifeq ($(feature-sync-compare-and-swap), 1)
 222   CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
 223 endif
 224
 225 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
 226   CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
 227 endif
 228
 229 ifndef NO_BIONIC
 230   $(call feature_check,bionic)
 231   ifeq ($(feature-bionic), 1)
 232     BIONIC := 1
 233     EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
 234     EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
 235   endif
 236 endif
 237
 238 ifdef NO_LIBELF
 239   NO_DWARF := 1
 240   NO_DEMANGLE := 1
 241   NO_LIBUNWIND := 1
 242   NO_LIBDW_DWARF_UNWIND := 1
 243   NO_LIBBPF := 1
 244 else
 245   ifeq ($(feature-libelf), 0)
 246     ifeq ($(feature-glibc), 1)
 247       LIBC_SUPPORT := 1
 248     endif
 249     ifeq ($(BIONIC),1)
 250       LIBC_SUPPORT := 1
 251     endif
 252     ifeq ($(LIBC_SUPPORT),1)
 253       msg := $(warning No libelf found, disables 'probe' tool and BPF support in 'perf record', please install elfutils-libelf-devel/libelf-dev);
 254
 255       NO_LIBELF := 1
 256       NO_DWARF := 1
 257       NO_DEMANGLE := 1
 258       NO_LIBUNWIND := 1
 259       NO_LIBDW_DWARF_UNWIND := 1
 260       NO_LIBBPF := 1
 261     else
 262       ifneq ($(filter s% -static%,$(LDFLAGS),),)
 263         msg := $(error No static glibc found, please install glibc-static);
 264       else
 265         msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
 266       endif
 267     endif
 268   else
 269     ifndef NO_LIBDW_DWARF_UNWIND
 270       ifneq ($(feature-libdw-dwarf-unwind),1)
 271         NO_LIBDW_DWARF_UNWIND := 1
 272         msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
 273       endif
 274     endif
 275     ifneq ($(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 ifdef NO_DWARF
 283   NO_LIBDW_DWARF_UNWIND := 1
 284 endif
 285
 286 ifndef NO_LIBELF
 287   CFLAGS += -DHAVE_LIBELF_SUPPORT
 288   EXTLIBS += -lelf
 289   $(call detected,CONFIG_LIBELF)
 290
 291   ifeq ($(feature-libelf-mmap), 1)
 292     CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
 293   endif
 294
 295   ifeq ($(feature-libelf-getphdrnum), 1)
 296     CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
 297   endif
 298
 299   # include ARCH specific config
 300   -include $(src-perf)/arch/$(ARCH)/Makefile
 301
 302   ifndef NO_DWARF
 303     ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
 304       msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
 305       NO_DWARF := 1
 306     else
 307       CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
 308       LDFLAGS += $(LIBDW_LDFLAGS)
 309       DWARFLIBS := -ldw
 310       ifeq ($(findstring -static,${LDFLAGS}),-static)
 311         DWARFLIBS += -lelf -lebl -lz -llzma -lbz2
 312       endif
 313       EXTLIBS += ${DWARFLIBS}
 314       $(call detected,CONFIG_DWARF)
 315     endif # PERF_HAVE_DWARF_REGS
 316   endif # NO_DWARF
 317
 318   ifndef NO_LIBBPF
 319     ifeq ($(feature-bpf), 1)
 320       CFLAGS += -DHAVE_LIBBPF_SUPPORT
 321       $(call detected,CONFIG_LIBBPF)
 322     endif
 323
 324     ifndef NO_DWARF
 325       ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
 326         CFLAGS += -DHAVE_BPF_PROLOGUE
 327         $(call detected,CONFIG_BPF_PROLOGUE)
 328       else
 329         msg := $(warning BPF prologue is not supported by architecture $(ARCH), missing regs_query_register_offset());
 330       endif
 331     else
 332       msg := $(warning DWARF support is off, BPF prologue is disabled);
 333     endif
 334
 335   endif # NO_LIBBPF
 336 endif # NO_LIBELF
 337
 338 ifeq ($(ARCH),powerpc)
 339   ifndef NO_DWARF
 340     CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
 341   endif
 342 endif
 343
 344 ifndef NO_LIBUNWIND
 345   ifneq ($(feature-libunwind), 1)
 346     msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
 347     NO_LIBUNWIND := 1
 348   endif
 349 endif
 350
 351 ifndef NO_LIBBPF
 352   ifneq ($(feature-bpf), 1)
 353     msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
 354     NO_LIBBPF := 1
 355   endif
 356 endif
 357
 358 dwarf-post-unwind := 1
 359 dwarf-post-unwind-text := BUG
 360
 361 # setup DWARF post unwinder
 362 ifdef NO_LIBUNWIND
 363   ifdef NO_LIBDW_DWARF_UNWIND
 364     msg := $(warning Disabling post unwind, no support found.);
 365     dwarf-post-unwind := 0
 366   else
 367     dwarf-post-unwind-text := libdw
 368     $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
 369   endif
 370 else
 371   dwarf-post-unwind-text := libunwind
 372   $(call detected,CONFIG_LIBUNWIND)
 373   # Enable libunwind support by default.
 374   ifndef NO_LIBDW_DWARF_UNWIND
 375     NO_LIBDW_DWARF_UNWIND := 1
 376   endif
 377 endif
 378
 379 ifeq ($(dwarf-post-unwind),1)
 380   CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
 381   $(call detected,CONFIG_DWARF_UNWIND)
 382 else
 383   NO_DWARF_UNWIND := 1
 384 endif
 385
 386 ifndef NO_LIBUNWIND
 387   ifeq ($(ARCH),$(filter $(ARCH),arm arm64))
 388     $(call feature_check,libunwind-debug-frame)
 389     ifneq ($(feature-libunwind-debug-frame), 1)
 390       msg := $(warning No debug_frame support found in libunwind);
 391       CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
 392     endif
 393   else
 394     # non-ARM has no dwarf_find_debug_frame() function:
 395     CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
 396   endif
 397   CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
 398   EXTLIBS += $(LIBUNWIND_LIBS)
 399   CFLAGS  += $(LIBUNWIND_CFLAGS)
 400   LDFLAGS += $(LIBUNWIND_LDFLAGS)
 401 endif
 402
 403 ifndef NO_LIBAUDIT
 404   ifneq ($(feature-libaudit), 1)
 405     msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
 406     NO_LIBAUDIT := 1
 407   else
 408     CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
 409     EXTLIBS += -laudit
 410     $(call detected,CONFIG_AUDIT)
 411   endif
 412 endif
 413
 414 ifdef NO_NEWT
 415   NO_SLANG=1
 416 endif
 417
 418 ifndef NO_SLANG
 419   ifneq ($(feature-libslang), 1)
 420     msg := $(warning slang not found, disables TUI support. Please install slang-devel or libslang-dev);
 421     NO_SLANG := 1
 422   else
 423     # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
 424     CFLAGS += -I/usr/include/slang
 425     CFLAGS += -DHAVE_SLANG_SUPPORT
 426     EXTLIBS += -lslang
 427     $(call detected,CONFIG_SLANG)
 428   endif
 429 endif
 430
 431 ifndef NO_GTK2
 432   FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
 433   ifneq ($(feature-gtk2), 1)
 434     msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
 435     NO_GTK2 := 1
 436   else
 437     ifeq ($(feature-gtk2-infobar), 1)
 438       GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
 439     endif
 440     CFLAGS += -DHAVE_GTK2_SUPPORT
 441     GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
 442     GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
 443     EXTLIBS += -ldl
 444   endif
 445 endif
 446
 447 grep-libs  = $(filter -l%,$(1))
 448 strip-libs = $(filter-out -l%,$(1))
 449
 450 ifdef NO_LIBPERL
 451   CFLAGS += -DNO_LIBPERL
 452 else
 453   PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
 454   PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
 455   PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
 456   PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
 457   FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
 458
 459   ifneq ($(feature-libperl), 1)
 460     CFLAGS += -DNO_LIBPERL
 461     NO_LIBPERL := 1
 462     msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
 463   else
 464     LDFLAGS += $(PERL_EMBED_LDFLAGS)
 465     EXTLIBS += $(PERL_EMBED_LIBADD)
 466     $(call detected,CONFIG_LIBPERL)
 467   endif
 468 endif
 469
 470 ifeq ($(feature-timerfd), 1)
 471   CFLAGS += -DHAVE_TIMERFD_SUPPORT
 472 else
 473   msg := $(warning No timerfd support. Disables 'perf kvm stat live');
 474 endif
 475
 476 disable-python = $(eval $(disable-python_code))
 477 define disable-python_code
 478   CFLAGS += -DNO_LIBPYTHON
 479   $(warning $1)
 480   NO_LIBPYTHON := 1
 481 endef
 482
 483 ifdef NO_LIBPYTHON
 484   $(call disable-python,Python support disabled by user)
 485 else
 486
 487   ifndef PYTHON
 488     $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
 489   else
 490     PYTHON_WORD := $(call shell-wordify,$(PYTHON))
 491
 492     ifndef PYTHON_CONFIG
 493       $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
 494     else
 495
 496       PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
 497
 498       PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
 499       PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
 500       PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
 501       PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
 502       FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
 503
 504       ifneq ($(feature-libpython), 1)
 505         $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
 506       else
 507
 508         ifneq ($(feature-libpython-version), 1)
 509           $(warning Python 3 is not yet supported; please set)
 510           $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
 511           $(warning If you also have Python 2 installed, then)
 512           $(warning try something like:)
 513           $(warning $(and ,))
 514           $(warning $(and ,)  make PYTHON=python2)
 515           $(warning $(and ,))
 516           $(warning Otherwise, disable Python support entirely:)
 517           $(warning $(and ,))
 518           $(warning $(and ,)  make NO_LIBPYTHON=1)
 519           $(warning $(and ,))
 520           $(error   $(and ,))
 521         else
 522           LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
 523           EXTLIBS += $(PYTHON_EMBED_LIBADD)
 524           LANG_BINDINGS += $(obj-perf)python/perf.so
 525           $(call detected,CONFIG_LIBPYTHON)
 526         endif
 527       endif
 528     endif
 529   endif
 530 endif
 531
 532 ifeq ($(feature-libbfd), 1)
 533   EXTLIBS += -lbfd
 534
 535   # call all detections now so we get correct
 536   # status in VF output
 537   $(call feature_check,liberty)
 538   $(call feature_check,liberty-z)
 539   $(call feature_check,cplus-demangle)
 540
 541   ifeq ($(feature-liberty), 1)
 542     EXTLIBS += -liberty
 543   else
 544     ifeq ($(feature-liberty-z), 1)
 545       EXTLIBS += -liberty -lz
 546     endif
 547   endif
 548 endif
 549
 550 ifdef NO_DEMANGLE
 551   CFLAGS += -DNO_DEMANGLE
 552 else
 553   ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
 554     EXTLIBS += -liberty
 555     CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
 556   else
 557     ifneq ($(feature-libbfd), 1)
 558       ifneq ($(feature-liberty), 1)
 559         ifneq ($(feature-liberty-z), 1)
 560           # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
 561           # or any of 'bfd iberty z' trinity
 562           ifeq ($(feature-cplus-demangle), 1)
 563             EXTLIBS += -liberty
 564             CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
 565           else
 566             msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
 567             CFLAGS += -DNO_DEMANGLE
 568           endif
 569         endif
 570       endif
 571     endif
 572   endif
 573 endif
 574
 575 ifneq ($(filter -lbfd,$(EXTLIBS)),)
 576   CFLAGS += -DHAVE_LIBBFD_SUPPORT
 577 endif
 578
 579 ifndef NO_ZLIB
 580   ifeq ($(feature-zlib), 1)
 581     CFLAGS += -DHAVE_ZLIB_SUPPORT
 582     EXTLIBS += -lz
 583     $(call detected,CONFIG_ZLIB)
 584   else
 585     NO_ZLIB := 1
 586   endif
 587 endif
 588
 589 ifndef NO_LZMA
 590   ifeq ($(feature-lzma), 1)
 591     CFLAGS += -DHAVE_LZMA_SUPPORT
 592     EXTLIBS += -llzma
 593     $(call detected,CONFIG_LZMA)
 594   else
 595     msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
 596     NO_LZMA := 1
 597   endif
 598 endif
 599
 600 ifndef NO_BACKTRACE
 601   ifeq ($(feature-backtrace), 1)
 602     CFLAGS += -DHAVE_BACKTRACE_SUPPORT
 603   endif
 604 endif
 605
 606 ifndef NO_LIBNUMA
 607   ifeq ($(feature-libnuma), 0)
 608     msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
 609     NO_LIBNUMA := 1
 610   else
 611     ifeq ($(feature-numa_num_possible_cpus), 0)
 612       msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
 613       NO_LIBNUMA := 1
 614     else
 615       CFLAGS += -DHAVE_LIBNUMA_SUPPORT
 616       EXTLIBS += -lnuma
 617       $(call detected,CONFIG_NUMA)
 618     endif
 619   endif
 620 endif
 621
 622 ifdef HAVE_KVM_STAT_SUPPORT
 623     CFLAGS += -DHAVE_KVM_STAT_SUPPORT
 624 endif
 625
 626 ifeq (${IS_64_BIT}, 1)
 627   ifndef NO_PERF_READ_VDSO32
 628     $(call feature_check,compile-32)
 629     ifeq ($(feature-compile-32), 1)
 630       CFLAGS += -DHAVE_PERF_READ_VDSO32
 631     else
 632       NO_PERF_READ_VDSO32 := 1
 633     endif
 634   endif
 635   ifneq ($(ARCH), x86)
 636     NO_PERF_READ_VDSOX32 := 1
 637   endif
 638   ifndef NO_PERF_READ_VDSOX32
 639     $(call feature_check,compile-x32)
 640     ifeq ($(feature-compile-x32), 1)
 641       CFLAGS += -DHAVE_PERF_READ_VDSOX32
 642     else
 643       NO_PERF_READ_VDSOX32 := 1
 644     endif
 645   endif
 646 else
 647   NO_PERF_READ_VDSO32 := 1
 648   NO_PERF_READ_VDSOX32 := 1
 649 endif
 650
 651 ifdef LIBBABELTRACE
 652   $(call feature_check,libbabeltrace)
 653   ifeq ($(feature-libbabeltrace), 1)
 654     CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
 655     LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
 656     EXTLIBS += -lbabeltrace-ctf
 657     $(call detected,CONFIG_LIBBABELTRACE)
 658   else
 659     msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
 660   endif
 661 endif
 662
 663 ifndef NO_AUXTRACE
 664   ifeq ($(feature-get_cpuid), 0)
 665     msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
 666     NO_AUXTRACE := 1
 667   else
 668     $(call detected,CONFIG_AUXTRACE)
 669     CFLAGS += -DHAVE_AUXTRACE_SUPPORT
 670   endif
 671 endif
 672
 673 # Among the variables below, these:
 674 #   perfexecdir
 675 #   template_dir
 676 #   mandir
 677 #   infodir
 678 #   htmldir
 679 #   ETC_PERFCONFIG (but not sysconfdir)
 680 # can be specified as a relative path some/where/else;
 681 # this is interpreted as relative to $(prefix) and "perf" at
 682 # runtime figures out where they are based on the path to the executable.
 683 # This can help installing the suite in a relocatable way.
 684
 685 # Make the path relative to DESTDIR, not to prefix
 686 ifndef DESTDIR
 687 prefix ?= $(HOME)
 688 endif
 689 bindir_relative = bin
 690 bindir = $(abspath $(prefix)/$(bindir_relative))
 691 mandir = share/man
 692 infodir = share/info
 693 perfexecdir = libexec/perf-core
 694 sharedir = $(prefix)/share
 695 template_dir = share/perf-core/templates
 696 STRACE_GROUPS_DIR = share/perf-core/strace/groups
 697 htmldir = share/doc/perf-doc
 698 tipdir = share/doc/perf-tip
 699 srcdir = $(srctree)/tools/perf
 700 ifeq ($(prefix),/usr)
 701 sysconfdir = /etc
 702 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
 703 else
 704 sysconfdir = $(prefix)/etc
 705 ETC_PERFCONFIG = etc/perfconfig
 706 endif
 707 ifndef lib
 708 ifeq ($(ARCH)$(IS_64_BIT), x861)
 709 lib = lib64
 710 else
 711 lib = lib
 712 endif
 713 endif # lib
 714 libdir = $(prefix)/$(lib)
 715
 716 # Shell quote (do not use $(call) to accommodate ancient setups);
 717 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
 718 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
 719 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
 720 bindir_SQ = $(subst ','\'',$(bindir))
 721 mandir_SQ = $(subst ','\'',$(mandir))
 722 infodir_SQ = $(subst ','\'',$(infodir))
 723 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
 724 template_dir_SQ = $(subst ','\'',$(template_dir))
 725 htmldir_SQ = $(subst ','\'',$(htmldir))
 726 tipdir_SQ = $(subst ','\'',$(tipdir))
 727 prefix_SQ = $(subst ','\'',$(prefix))
 728 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
 729 libdir_SQ = $(subst ','\'',$(libdir))
 730 srcdir_SQ = $(subst ','\'',$(srcdir))
 731
 732 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
 733 perfexec_instdir = $(perfexecdir)
 734 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
 735 tip_instdir = $(tipdir)
 736 else
 737 perfexec_instdir = $(prefix)/$(perfexecdir)
 738 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
 739 tip_instdir = $(prefix)/$(tipdir)
 740 endif
 741 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
 742 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
 743 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
 744
 745 # If we install to $(HOME) we keep the traceevent default:
 746 # $(HOME)/.traceevent/plugins
 747 # Otherwise we install plugins into the global $(libdir).
 748 ifdef DESTDIR
 749 plugindir=$(libdir)/traceevent/plugins
 750 plugindir_SQ= $(subst ','\'',$(plugindir))
 751 endif
 752
 753 print_var = $(eval $(print_var_code)) $(info $(MSG))
 754 define print_var_code
 755     MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
 756 endef
 757
 758 ifeq ($(VF),1)
 759   $(call print_var,prefix)
 760   $(call print_var,bindir)
 761   $(call print_var,libdir)
 762   $(call print_var,sysconfdir)
 763   $(call print_var,LIBUNWIND_DIR)
 764   $(call print_var,LIBDW_DIR)
 765
 766   ifeq ($(dwarf-post-unwind),1)
 767     $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
 768   endif
 769   $(info )
 770 endif
 771
 772 $(call detected_var,bindir_SQ)
 773 $(call detected_var,PYTHON_WORD)
 774 ifneq ($(OUTPUT),)
 775 $(call detected_var,OUTPUT)
 776 endif
 777 $(call detected_var,htmldir_SQ)
 778 $(call detected_var,infodir_SQ)
 779 $(call detected_var,mandir_SQ)
 780 $(call detected_var,ETC_PERFCONFIG_SQ)
 781 $(call detected_var,STRACE_GROUPS_DIR_SQ)
 782 $(call detected_var,prefix_SQ)
 783 $(call detected_var,perfexecdir_SQ)
 784 $(call detected_var,tipdir_SQ)
 785 $(call detected_var,srcdir_SQ)
 786 $(call detected_var,LIBDIR)
 787 $(call detected_var,GTK_CFLAGS)
 788 $(call detected_var,PERL_EMBED_CCOPTS)
 789 $(call detected_var,PYTHON_EMBED_CCOPTS)