tools/perf/Makefile.config

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