tools/perf/Makefile.config at v4.18-rc8 · tjh.dev/kernel

tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
kernel / tools / perf / Makefile.config
at v4.18-rc8 1020 lines 30 kB view raw
   1
   2ifeq ($(src-perf),)
   3src-perf := $(srctree)/tools/perf
   4endif
   5
   6ifeq ($(obj-perf),)
   7obj-perf := $(OUTPUT)
   8endif
   9
  10ifneq ($(obj-perf),)
  11obj-perf := $(abspath $(obj-perf))/
  12endif
  13
  14$(shell printf "" > $(OUTPUT).config-detected)
  15detected     = $(shell echo "$(1)=y"       >> $(OUTPUT).config-detected)
  16detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
  17
  18CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
  19
  20include $(srctree)/tools/scripts/Makefile.arch
  21
  22$(call detected_var,SRCARCH)
  23
  24NO_PERF_REGS := 1
  25NO_SYSCALL_TABLE := 1
  26
  27# Additional ARCH settings for ppc
  28ifeq ($(SRCARCH),powerpc)
  29  NO_PERF_REGS := 0
  30  NO_SYSCALL_TABLE := 0
  31  CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
  32  LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
  33endif
  34
  35# Additional ARCH settings for x86
  36ifeq ($(SRCARCH),x86)
  37  $(call detected,CONFIG_X86)
  38  ifeq (${IS_64_BIT}, 1)
  39    NO_SYSCALL_TABLE := 0
  40    CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
  41    ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
  42    LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
  43    $(call detected,CONFIG_X86_64)
  44  else
  45    LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
  46  endif
  47  NO_PERF_REGS := 0
  48endif
  49
  50ifeq ($(SRCARCH),arm)
  51  NO_PERF_REGS := 0
  52  LIBUNWIND_LIBS = -lunwind -lunwind-arm
  53endif
  54
  55ifeq ($(SRCARCH),arm64)
  56  NO_PERF_REGS := 0
  57  LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
  58endif
  59
  60ifeq ($(ARCH),s390)
  61  NO_PERF_REGS := 0
  62  NO_SYSCALL_TABLE := 0
  63  CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
  64endif
  65
  66ifeq ($(NO_PERF_REGS),0)
  67  $(call detected,CONFIG_PERF_REGS)
  68endif
  69
  70ifneq ($(NO_SYSCALL_TABLE),1)
  71  CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
  72endif
  73
  74# So far there's only x86 and arm libdw unwind support merged in perf.
  75# Disable it on all other architectures in case libdw unwind
  76# support is detected in system. Add supported architectures
  77# to the check.
  78ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390))
  79  NO_LIBDW_DWARF_UNWIND := 1
  80endif
  81
  82ifeq ($(LIBUNWIND_LIBS),)
  83  NO_LIBUNWIND := 1
  84endif
  85#
  86# For linking with debug library, run like:
  87#
  88#   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
  89#
  90
  91libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
  92define libunwind_arch_set_flags_code
  93  FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(LIBUNWIND_DIR)/include
  94  FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
  95endef
  96
  97ifdef LIBUNWIND_DIR
  98  LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/include
  99  LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
 100  LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
 101  $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
 102endif
 103
 104# Set per-feature check compilation flags
 105FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
 106FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
 107FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
 108FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
 109
 110ifdef CSINCLUDES
 111  LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
 112endif
 113OPENCSDLIBS := -lopencsd_c_api -lopencsd
 114ifdef CSLIBS
 115  LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
 116endif
 117FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
 118FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
 119
 120ifeq ($(NO_PERF_REGS),0)
 121  CFLAGS += -DHAVE_PERF_REGS_SUPPORT
 122endif
 123
 124# for linking with debug library, run like:
 125# make DEBUG=1 LIBDW_DIR=/opt/libdw/
 126ifdef LIBDW_DIR
 127  LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
 128  LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
 129endif
 130DWARFLIBS := -ldw
 131ifeq ($(findstring -static,${LDFLAGS}),-static)
 132  DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
 133endif
 134FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
 135FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
 136
 137# for linking with debug library, run like:
 138# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
 139ifdef LIBBABELTRACE_DIR
 140  LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_DIR)/include
 141  LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
 142endif
 143FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
 144FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
 145
 146FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
 147# include ARCH specific config
 148-include $(src-perf)/arch/$(SRCARCH)/Makefile
 149
 150ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
 151  CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
 152endif
 153
 154include $(srctree)/tools/scripts/utilities.mak
 155
 156ifeq ($(call get-executable,$(FLEX)),)
 157  dummy := $(error Error: $(FLEX) is missing on this system, please install it)
 158endif
 159
 160ifeq ($(call get-executable,$(BISON)),)
 161  dummy := $(error Error: $(BISON) is missing on this system, please install it)
 162endif
 163
 164# Treat warnings as errors unless directed not to
 165ifneq ($(WERROR),0)
 166  CFLAGS += -Werror
 167  CXXFLAGS += -Werror
 168endif
 169
 170ifndef DEBUG
 171  DEBUG := 0
 172endif
 173
 174ifeq ($(DEBUG),0)
 175ifeq ($(CC_NO_CLANG), 0)
 176  CFLAGS += -O3
 177else
 178  CFLAGS += -O6
 179endif
 180endif
 181
 182ifdef PARSER_DEBUG
 183  PARSER_DEBUG_BISON := -t
 184  PARSER_DEBUG_FLEX  := -d
 185  CFLAGS             += -DPARSER_DEBUG
 186  $(call detected_var,PARSER_DEBUG_BISON)
 187  $(call detected_var,PARSER_DEBUG_FLEX)
 188endif
 189
 190# Try different combinations to accommodate systems that only have
 191# python[2][-config] in weird combinations but always preferring
 192# python2 and python2-config as per pep-0394. If we catch a
 193# python[-config] in version 3, the version check will kill it.
 194PYTHON2 := $(if $(call get-executable,python2),python2,python)
 195override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
 196PYTHON2_CONFIG := \
 197  $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
 198override PYTHON_CONFIG := \
 199  $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
 200
 201grep-libs  = $(filter -l%,$(1))
 202strip-libs  = $(filter-out -l%,$(1))
 203
 204PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
 205
 206ifdef PYTHON_CONFIG
 207  PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
 208  PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
 209  PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
 210  PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
 211  FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
 212endif
 213
 214FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
 215FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
 216FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
 217FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
 218
 219CFLAGS += -fno-omit-frame-pointer
 220CFLAGS += -ggdb3
 221CFLAGS += -funwind-tables
 222CFLAGS += -Wall
 223CFLAGS += -Wextra
 224CFLAGS += -std=gnu99
 225
 226CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
 227CXXFLAGS += -Wall
 228CXXFLAGS += -fno-omit-frame-pointer
 229CXXFLAGS += -ggdb3
 230CXXFLAGS += -funwind-tables
 231CXXFLAGS += -Wno-strict-aliasing
 232
 233# Enforce a non-executable stack, as we may regress (again) in the future by
 234# adding assembler files missing the .GNU-stack linker note.
 235LDFLAGS += -Wl,-z,noexecstack
 236
 237EXTLIBS = -lpthread -lrt -lm -ldl
 238
 239ifeq ($(FEATURES_DUMP),)
 240include $(srctree)/tools/build/Makefile.feature
 241else
 242include $(FEATURES_DUMP)
 243endif
 244
 245ifeq ($(feature-stackprotector-all), 1)
 246  CFLAGS += -fstack-protector-all
 247endif
 248
 249ifeq ($(DEBUG),0)
 250  ifeq ($(feature-fortify-source), 1)
 251    CFLAGS += -D_FORTIFY_SOURCE=2
 252  endif
 253endif
 254
 255INC_FLAGS += -I$(src-perf)/util/include
 256INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
 257INC_FLAGS += -I$(srctree)/tools/include/uapi
 258INC_FLAGS += -I$(srctree)/tools/include/
 259INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
 260INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
 261INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
 262
 263# $(obj-perf)      for generated common-cmds.h
 264# $(obj-perf)/util for generated bison/flex headers
 265ifneq ($(OUTPUT),)
 266INC_FLAGS += -I$(obj-perf)/util
 267INC_FLAGS += -I$(obj-perf)
 268endif
 269
 270INC_FLAGS += -I$(src-perf)/util
 271INC_FLAGS += -I$(src-perf)
 272INC_FLAGS += -I$(srctree)/tools/lib/
 273
 274CFLAGS   += $(INC_FLAGS)
 275CXXFLAGS += $(INC_FLAGS)
 276
 277CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
 278
 279ifeq ($(feature-sync-compare-and-swap), 1)
 280  CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
 281endif
 282
 283ifeq ($(feature-pthread-attr-setaffinity-np), 1)
 284  CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
 285endif
 286
 287ifeq ($(feature-pthread-barrier), 1)
 288  CFLAGS += -DHAVE_PTHREAD_BARRIER
 289endif
 290
 291ifndef NO_BIONIC
 292  $(call feature_check,bionic)
 293  ifeq ($(feature-bionic), 1)
 294    BIONIC := 1
 295    EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
 296    EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
 297  endif
 298endif
 299
 300ifdef NO_LIBELF
 301  NO_DWARF := 1
 302  NO_DEMANGLE := 1
 303  NO_LIBUNWIND := 1
 304  NO_LIBDW_DWARF_UNWIND := 1
 305  NO_LIBBPF := 1
 306  NO_JVMTI := 1
 307else
 308  ifeq ($(feature-libelf), 0)
 309    ifeq ($(feature-glibc), 1)
 310      LIBC_SUPPORT := 1
 311    endif
 312    ifeq ($(BIONIC),1)
 313      LIBC_SUPPORT := 1
 314    endif
 315    ifeq ($(LIBC_SUPPORT),1)
 316      msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
 317
 318      NO_LIBELF := 1
 319      NO_DWARF := 1
 320      NO_DEMANGLE := 1
 321      NO_LIBUNWIND := 1
 322      NO_LIBDW_DWARF_UNWIND := 1
 323      NO_LIBBPF := 1
 324      NO_JVMTI := 1
 325    else
 326      ifneq ($(filter s% -static%,$(LDFLAGS),),)
 327        msg := $(error No static glibc found, please install glibc-static);
 328      else
 329        msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
 330      endif
 331    endif
 332  else
 333    ifndef NO_LIBDW_DWARF_UNWIND
 334      ifneq ($(feature-libdw-dwarf-unwind),1)
 335        NO_LIBDW_DWARF_UNWIND := 1
 336        msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
 337      endif
 338    endif
 339    ifneq ($(feature-dwarf), 1)
 340      ifndef NO_DWARF
 341        msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
 342        NO_DWARF := 1
 343      endif
 344    else
 345      ifneq ($(feature-dwarf_getlocations), 1)
 346        msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
 347      else
 348        CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
 349      endif # dwarf_getlocations
 350    endif # Dwarf support
 351  endif # libelf support
 352endif # NO_LIBELF
 353
 354ifeq ($(feature-glibc), 1)
 355  CFLAGS += -DHAVE_GLIBC_SUPPORT
 356endif
 357
 358ifdef NO_DWARF
 359  NO_LIBDW_DWARF_UNWIND := 1
 360endif
 361
 362ifeq ($(feature-sched_getcpu), 1)
 363  CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
 364endif
 365
 366ifeq ($(feature-setns), 1)
 367  CFLAGS += -DHAVE_SETNS_SUPPORT
 368  $(call detected,CONFIG_SETNS)
 369endif
 370
 371ifndef NO_CORESIGHT
 372  ifeq ($(feature-libopencsd), 1)
 373    CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
 374    LDFLAGS += $(LIBOPENCSD_LDFLAGS)
 375    EXTLIBS += $(OPENCSDLIBS)
 376    $(call detected,CONFIG_LIBOPENCSD)
 377    ifdef CSTRACE_RAW
 378      CFLAGS += -DCS_DEBUG_RAW
 379      ifeq (${CSTRACE_RAW}, packed)
 380        CFLAGS += -DCS_RAW_PACKED
 381      endif
 382    endif
 383  endif
 384endif
 385
 386ifndef NO_LIBELF
 387  CFLAGS += -DHAVE_LIBELF_SUPPORT
 388  EXTLIBS += -lelf
 389  $(call detected,CONFIG_LIBELF)
 390
 391  ifeq ($(feature-libelf-mmap), 1)
 392    CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
 393  endif
 394
 395  ifeq ($(feature-libelf-getphdrnum), 1)
 396    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
 397  endif
 398
 399  ifeq ($(feature-libelf-gelf_getnote), 1)
 400    CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
 401  else
 402    msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
 403  endif
 404
 405  ifeq ($(feature-libelf-getshdrstrndx), 1)
 406    CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
 407  endif
 408
 409  ifndef NO_DWARF
 410    ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
 411      msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
 412      NO_DWARF := 1
 413    else
 414      CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
 415      LDFLAGS += $(LIBDW_LDFLAGS)
 416      EXTLIBS += ${DWARFLIBS}
 417      $(call detected,CONFIG_DWARF)
 418    endif # PERF_HAVE_DWARF_REGS
 419  endif # NO_DWARF
 420
 421  ifndef NO_LIBBPF
 422    ifeq ($(feature-bpf), 1)
 423      CFLAGS += -DHAVE_LIBBPF_SUPPORT
 424      $(call detected,CONFIG_LIBBPF)
 425    endif
 426
 427    ifndef NO_DWARF
 428      ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
 429        CFLAGS += -DHAVE_BPF_PROLOGUE
 430        $(call detected,CONFIG_BPF_PROLOGUE)
 431      else
 432        msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
 433      endif
 434    else
 435      msg := $(warning DWARF support is off, BPF prologue is disabled);
 436    endif
 437
 438  endif # NO_LIBBPF
 439endif # NO_LIBELF
 440
 441ifndef NO_SDT
 442  ifneq ($(feature-sdt), 1)
 443    msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
 444    NO_SDT := 1;
 445  else
 446    CFLAGS += -DHAVE_SDT_EVENT
 447    $(call detected,CONFIG_SDT_EVENT)
 448  endif
 449endif
 450
 451ifdef PERF_HAVE_JITDUMP
 452  ifndef NO_LIBELF
 453    $(call detected,CONFIG_JITDUMP)
 454    CFLAGS += -DHAVE_JITDUMP
 455  endif
 456endif
 457
 458ifeq ($(SRCARCH),powerpc)
 459  ifndef NO_DWARF
 460    CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
 461  endif
 462endif
 463
 464ifndef NO_LIBUNWIND
 465  have_libunwind :=
 466
 467  ifeq ($(feature-libunwind-x86), 1)
 468    $(call detected,CONFIG_LIBUNWIND_X86)
 469    CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
 470    LDFLAGS += -lunwind-x86
 471    EXTLIBS_LIBUNWIND += -lunwind-x86
 472    have_libunwind = 1
 473  endif
 474
 475  ifeq ($(feature-libunwind-aarch64), 1)
 476    $(call detected,CONFIG_LIBUNWIND_AARCH64)
 477    CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
 478    LDFLAGS += -lunwind-aarch64
 479    EXTLIBS_LIBUNWIND += -lunwind-aarch64
 480    have_libunwind = 1
 481    $(call feature_check,libunwind-debug-frame-aarch64)
 482    ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
 483      msg := $(warning No debug_frame support found in libunwind-aarch64);
 484      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
 485    endif
 486  endif
 487
 488  ifneq ($(feature-libunwind), 1)
 489    msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
 490    NO_LOCAL_LIBUNWIND := 1
 491  else
 492    have_libunwind := 1
 493    $(call detected,CONFIG_LOCAL_LIBUNWIND)
 494  endif
 495
 496  ifneq ($(have_libunwind), 1)
 497    NO_LIBUNWIND := 1
 498  endif
 499else
 500  NO_LOCAL_LIBUNWIND := 1
 501endif
 502
 503ifndef NO_LIBBPF
 504  ifneq ($(feature-bpf), 1)
 505    msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
 506    NO_LIBBPF := 1
 507  endif
 508endif
 509
 510dwarf-post-unwind := 1
 511dwarf-post-unwind-text := BUG
 512
 513# setup DWARF post unwinder
 514ifdef NO_LIBUNWIND
 515  ifdef NO_LIBDW_DWARF_UNWIND
 516    msg := $(warning Disabling post unwind, no support found.);
 517    dwarf-post-unwind := 0
 518  else
 519    dwarf-post-unwind-text := libdw
 520    $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
 521  endif
 522else
 523  dwarf-post-unwind-text := libunwind
 524  $(call detected,CONFIG_LIBUNWIND)
 525  # Enable libunwind support by default.
 526  ifndef NO_LIBDW_DWARF_UNWIND
 527    NO_LIBDW_DWARF_UNWIND := 1
 528  endif
 529endif
 530
 531ifeq ($(dwarf-post-unwind),1)
 532  CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
 533  $(call detected,CONFIG_DWARF_UNWIND)
 534else
 535  NO_DWARF_UNWIND := 1
 536endif
 537
 538ifndef NO_LOCAL_LIBUNWIND
 539  ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
 540    $(call feature_check,libunwind-debug-frame)
 541    ifneq ($(feature-libunwind-debug-frame), 1)
 542      msg := $(warning No debug_frame support found in libunwind);
 543      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
 544    endif
 545  else
 546    # non-ARM has no dwarf_find_debug_frame() function:
 547    CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
 548  endif
 549  EXTLIBS += $(LIBUNWIND_LIBS)
 550  LDFLAGS += $(LIBUNWIND_LIBS)
 551endif
 552ifeq ($(findstring -static,${LDFLAGS}),-static)
 553  # gcc -static links libgcc_eh which contans piece of libunwind
 554  LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
 555endif
 556
 557ifndef NO_LIBUNWIND
 558  CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
 559  CFLAGS  += $(LIBUNWIND_CFLAGS)
 560  LDFLAGS += $(LIBUNWIND_LDFLAGS)
 561  EXTLIBS += $(EXTLIBS_LIBUNWIND)
 562endif
 563
 564ifeq ($(NO_SYSCALL_TABLE),0)
 565  $(call detected,CONFIG_TRACE)
 566else
 567  ifndef NO_LIBAUDIT
 568    ifneq ($(feature-libaudit), 1)
 569      msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
 570      NO_LIBAUDIT := 1
 571    else
 572      CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
 573      EXTLIBS += -laudit
 574      $(call detected,CONFIG_TRACE)
 575    endif
 576  endif
 577endif
 578
 579ifndef NO_LIBCRYPTO
 580  ifneq ($(feature-libcrypto), 1)
 581    msg := $(warning No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev);
 582    NO_LIBCRYPTO := 1
 583  else
 584    CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
 585    EXTLIBS += -lcrypto
 586    $(call detected,CONFIG_CRYPTO)
 587  endif
 588endif
 589
 590ifdef NO_NEWT
 591  NO_SLANG=1
 592endif
 593
 594ifndef NO_SLANG
 595  ifneq ($(feature-libslang), 1)
 596    msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
 597    NO_SLANG := 1
 598  else
 599    # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
 600    CFLAGS += -I/usr/include/slang
 601    CFLAGS += -DHAVE_SLANG_SUPPORT
 602    EXTLIBS += -lslang
 603    $(call detected,CONFIG_SLANG)
 604  endif
 605endif
 606
 607ifndef NO_GTK2
 608  FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
 609  ifneq ($(feature-gtk2), 1)
 610    msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
 611    NO_GTK2 := 1
 612  else
 613    ifeq ($(feature-gtk2-infobar), 1)
 614      GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
 615    endif
 616    CFLAGS += -DHAVE_GTK2_SUPPORT
 617    GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
 618    GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
 619    EXTLIBS += -ldl
 620  endif
 621endif
 622
 623ifdef NO_LIBPERL
 624  CFLAGS += -DNO_LIBPERL
 625else
 626  PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
 627  PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
 628  PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
 629  PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
 630  PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
 631  PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
 632  FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
 633
 634  ifneq ($(feature-libperl), 1)
 635    CFLAGS += -DNO_LIBPERL
 636    NO_LIBPERL := 1
 637    msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
 638  else
 639    LDFLAGS += $(PERL_EMBED_LDFLAGS)
 640    EXTLIBS += $(PERL_EMBED_LIBADD)
 641    CFLAGS += -DHAVE_LIBPERL_SUPPORT
 642    $(call detected,CONFIG_LIBPERL)
 643  endif
 644endif
 645
 646ifeq ($(feature-timerfd), 1)
 647  CFLAGS += -DHAVE_TIMERFD_SUPPORT
 648else
 649  msg := $(warning No timerfd support. Disables 'perf kvm stat live');
 650endif
 651
 652disable-python = $(eval $(disable-python_code))
 653define disable-python_code
 654  CFLAGS += -DNO_LIBPYTHON
 655  $(warning $1)
 656  NO_LIBPYTHON := 1
 657endef
 658
 659ifdef NO_LIBPYTHON
 660  $(call disable-python,Python support disabled by user)
 661else
 662
 663  ifndef PYTHON
 664    $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
 665  else
 666    PYTHON_WORD := $(call shell-wordify,$(PYTHON))
 667
 668    ifndef PYTHON_CONFIG
 669      $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
 670    else
 671
 672      ifneq ($(feature-libpython), 1)
 673        $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
 674      else
 675         LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
 676         EXTLIBS += $(PYTHON_EMBED_LIBADD)
 677         LANG_BINDINGS += $(obj-perf)python/perf.so
 678         CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
 679         $(call detected,CONFIG_LIBPYTHON)
 680      endif
 681    endif
 682  endif
 683endif
 684
 685ifeq ($(feature-libbfd), 1)
 686  EXTLIBS += -lbfd
 687
 688  # call all detections now so we get correct
 689  # status in VF output
 690  $(call feature_check,liberty)
 691  $(call feature_check,liberty-z)
 692  $(call feature_check,cplus-demangle)
 693
 694  ifeq ($(feature-liberty), 1)
 695    EXTLIBS += -liberty
 696  else
 697    ifeq ($(feature-liberty-z), 1)
 698      EXTLIBS += -liberty -lz
 699    endif
 700  endif
 701endif
 702
 703ifdef NO_DEMANGLE
 704  CFLAGS += -DNO_DEMANGLE
 705else
 706  ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
 707    EXTLIBS += -liberty
 708    CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
 709  else
 710    ifneq ($(feature-libbfd), 1)
 711      ifneq ($(feature-liberty), 1)
 712        ifneq ($(feature-liberty-z), 1)
 713          # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
 714          # or any of 'bfd iberty z' trinity
 715          ifeq ($(feature-cplus-demangle), 1)
 716            EXTLIBS += -liberty
 717            CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
 718          else
 719            msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
 720            CFLAGS += -DNO_DEMANGLE
 721          endif
 722        endif
 723      endif
 724    endif
 725  endif
 726endif
 727
 728ifneq ($(filter -lbfd,$(EXTLIBS)),)
 729  CFLAGS += -DHAVE_LIBBFD_SUPPORT
 730endif
 731
 732ifndef NO_ZLIB
 733  ifeq ($(feature-zlib), 1)
 734    CFLAGS += -DHAVE_ZLIB_SUPPORT
 735    EXTLIBS += -lz
 736    $(call detected,CONFIG_ZLIB)
 737  else
 738    NO_ZLIB := 1
 739  endif
 740endif
 741
 742ifndef NO_LZMA
 743  ifeq ($(feature-lzma), 1)
 744    CFLAGS += -DHAVE_LZMA_SUPPORT
 745    EXTLIBS += -llzma
 746    $(call detected,CONFIG_LZMA)
 747  else
 748    msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
 749    NO_LZMA := 1
 750  endif
 751endif
 752
 753ifndef NO_BACKTRACE
 754  ifeq ($(feature-backtrace), 1)
 755    CFLAGS += -DHAVE_BACKTRACE_SUPPORT
 756  endif
 757endif
 758
 759ifndef NO_LIBNUMA
 760  ifeq ($(feature-libnuma), 0)
 761    msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
 762    NO_LIBNUMA := 1
 763  else
 764    ifeq ($(feature-numa_num_possible_cpus), 0)
 765      msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
 766      NO_LIBNUMA := 1
 767    else
 768      CFLAGS += -DHAVE_LIBNUMA_SUPPORT
 769      EXTLIBS += -lnuma
 770      $(call detected,CONFIG_NUMA)
 771    endif
 772  endif
 773endif
 774
 775ifdef HAVE_KVM_STAT_SUPPORT
 776    CFLAGS += -DHAVE_KVM_STAT_SUPPORT
 777endif
 778
 779ifeq (${IS_64_BIT}, 1)
 780  ifndef NO_PERF_READ_VDSO32
 781    $(call feature_check,compile-32)
 782    ifeq ($(feature-compile-32), 1)
 783      CFLAGS += -DHAVE_PERF_READ_VDSO32
 784    else
 785      NO_PERF_READ_VDSO32 := 1
 786    endif
 787  endif
 788  ifneq ($(SRCARCH), x86)
 789    NO_PERF_READ_VDSOX32 := 1
 790  endif
 791  ifndef NO_PERF_READ_VDSOX32
 792    $(call feature_check,compile-x32)
 793    ifeq ($(feature-compile-x32), 1)
 794      CFLAGS += -DHAVE_PERF_READ_VDSOX32
 795    else
 796      NO_PERF_READ_VDSOX32 := 1
 797    endif
 798  endif
 799else
 800  NO_PERF_READ_VDSO32 := 1
 801  NO_PERF_READ_VDSOX32 := 1
 802endif
 803
 804ifndef NO_LIBBABELTRACE
 805  $(call feature_check,libbabeltrace)
 806  ifeq ($(feature-libbabeltrace), 1)
 807    CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
 808    LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
 809    EXTLIBS += -lbabeltrace-ctf
 810    $(call detected,CONFIG_LIBBABELTRACE)
 811  else
 812    msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
 813  endif
 814endif
 815
 816ifndef NO_AUXTRACE
 817  ifeq ($(SRCARCH),x86)
 818    ifeq ($(feature-get_cpuid), 0)
 819      msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
 820      NO_AUXTRACE := 1
 821    endif
 822  endif
 823  ifndef NO_AUXTRACE
 824    $(call detected,CONFIG_AUXTRACE)
 825    CFLAGS += -DHAVE_AUXTRACE_SUPPORT
 826  endif
 827endif
 828
 829ifndef NO_JVMTI
 830  ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
 831    JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
 832  else
 833    ifneq (,$(wildcard /usr/sbin/alternatives))
 834      JDIR=$(shell alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
 835    endif
 836  endif
 837  ifndef JDIR
 838    $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
 839    NO_JVMTI := 1
 840  endif
 841endif
 842
 843ifndef NO_JVMTI
 844  FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
 845  $(call feature_check,jvmti)
 846  ifeq ($(feature-jvmti), 1)
 847    $(call detected_var,JDIR)
 848  else
 849    $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
 850    NO_JVMTI := 1
 851  endif
 852endif
 853
 854USE_CXX = 0
 855USE_CLANGLLVM = 0
 856ifdef LIBCLANGLLVM
 857  $(call feature_check,cxx)
 858  ifneq ($(feature-cxx), 1)
 859    msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
 860  else
 861    $(call feature_check,llvm)
 862    $(call feature_check,llvm-version)
 863    ifneq ($(feature-llvm), 1)
 864      msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
 865    else
 866      $(call feature_check,clang)
 867      ifneq ($(feature-clang), 1)
 868        msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
 869      else
 870        CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
 871        CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
 872        $(call detected,CONFIG_CXX)
 873        $(call detected,CONFIG_CLANGLLVM)
 874	USE_CXX = 1
 875	USE_LLVM = 1
 876	USE_CLANG = 1
 877        ifneq ($(feature-llvm-version),1)
 878          msg := $(warning This version of LLVM is not tested. May cause build errors)
 879        endif
 880      endif
 881    endif
 882  endif
 883endif
 884
 885# Among the variables below, these:
 886#   perfexecdir
 887#   perf_include_dir
 888#   perf_examples_dir
 889#   template_dir
 890#   mandir
 891#   infodir
 892#   htmldir
 893#   ETC_PERFCONFIG (but not sysconfdir)
 894# can be specified as a relative path some/where/else;
 895# this is interpreted as relative to $(prefix) and "perf" at
 896# runtime figures out where they are based on the path to the executable.
 897# This can help installing the suite in a relocatable way.
 898
 899# Make the path relative to DESTDIR, not to prefix
 900ifndef DESTDIR
 901prefix ?= $(HOME)
 902endif
 903bindir_relative = bin
 904bindir = $(abspath $(prefix)/$(bindir_relative))
 905mandir = share/man
 906infodir = share/info
 907perfexecdir = libexec/perf-core
 908perf_include_dir = lib/include/perf
 909perf_examples_dir = lib/examples/perf
 910sharedir = $(prefix)/share
 911template_dir = share/perf-core/templates
 912STRACE_GROUPS_DIR = share/perf-core/strace/groups
 913htmldir = share/doc/perf-doc
 914tipdir = share/doc/perf-tip
 915srcdir = $(srctree)/tools/perf
 916ifeq ($(prefix),/usr)
 917sysconfdir = /etc
 918ETC_PERFCONFIG = $(sysconfdir)/perfconfig
 919else
 920sysconfdir = $(prefix)/etc
 921ETC_PERFCONFIG = etc/perfconfig
 922endif
 923ifndef lib
 924ifeq ($(SRCARCH)$(IS_64_BIT), x861)
 925lib = lib64
 926else
 927lib = lib
 928endif
 929endif # lib
 930libdir = $(prefix)/$(lib)
 931
 932# Shell quote (do not use $(call) to accommodate ancient setups);
 933ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
 934STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
 935DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
 936bindir_SQ = $(subst ','\'',$(bindir))
 937mandir_SQ = $(subst ','\'',$(mandir))
 938infodir_SQ = $(subst ','\'',$(infodir))
 939perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
 940perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
 941perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
 942template_dir_SQ = $(subst ','\'',$(template_dir))
 943htmldir_SQ = $(subst ','\'',$(htmldir))
 944tipdir_SQ = $(subst ','\'',$(tipdir))
 945prefix_SQ = $(subst ','\'',$(prefix))
 946sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
 947libdir_SQ = $(subst ','\'',$(libdir))
 948srcdir_SQ = $(subst ','\'',$(srcdir))
 949
 950ifneq ($(filter /%,$(firstword $(perfexecdir))),)
 951perfexec_instdir = $(perfexecdir)
 952perf_include_instdir = $(perf_include_dir)
 953perf_examples_instdir = $(perf_examples_dir)
 954STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
 955tip_instdir = $(tipdir)
 956else
 957perfexec_instdir = $(prefix)/$(perfexecdir)
 958perf_include_instdir = $(prefix)/$(perf_include_dir)
 959perf_examples_instdir = $(prefix)/$(perf_examples_dir)
 960STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
 961tip_instdir = $(prefix)/$(tipdir)
 962endif
 963perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
 964perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
 965perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
 966STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
 967tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
 968
 969# If we install to $(HOME) we keep the traceevent default:
 970# $(HOME)/.traceevent/plugins
 971# Otherwise we install plugins into the global $(libdir).
 972ifdef DESTDIR
 973plugindir=$(libdir)/traceevent/plugins
 974plugindir_SQ= $(subst ','\'',$(plugindir))
 975endif
 976
 977print_var = $(eval $(print_var_code)) $(info $(MSG))
 978define print_var_code
 979    MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
 980endef
 981
 982ifeq ($(VF),1)
 983  # Display EXTRA features which are detected manualy
 984  # from here with feature_check call and thus cannot
 985  # be partof global state output.
 986  $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
 987  $(call print_var,prefix)
 988  $(call print_var,bindir)
 989  $(call print_var,libdir)
 990  $(call print_var,sysconfdir)
 991  $(call print_var,LIBUNWIND_DIR)
 992  $(call print_var,LIBDW_DIR)
 993  $(call print_var,JDIR)
 994
 995  ifeq ($(dwarf-post-unwind),1)
 996    $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
 997  endif
 998  $(info )
 999endif
1000
1001$(call detected_var,bindir_SQ)
1002$(call detected_var,PYTHON_WORD)
1003ifneq ($(OUTPUT),)
1004$(call detected_var,OUTPUT)
1005endif
1006$(call detected_var,htmldir_SQ)
1007$(call detected_var,infodir_SQ)
1008$(call detected_var,mandir_SQ)
1009$(call detected_var,ETC_PERFCONFIG_SQ)
1010$(call detected_var,STRACE_GROUPS_DIR_SQ)
1011$(call detected_var,prefix_SQ)
1012$(call detected_var,perfexecdir_SQ)
1013$(call detected_var,perf_include_dir_SQ)
1014$(call detected_var,perf_examples_dir_SQ)
1015$(call detected_var,tipdir_SQ)
1016$(call detected_var,srcdir_SQ)
1017$(call detected_var,LIBDIR)
1018$(call detected_var,GTK_CFLAGS)
1019$(call detected_var,PERL_EMBED_CCOPTS)
1020$(call detected_var,PYTHON_EMBED_CCOPTS)