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 $(call detected_var,SRCARCH)
  23
  24 NO_PERF_REGS := 1
  25 NO_SYSCALL_TABLE := 1
  26
  27 # Additional ARCH settings for ppc
  28 ifeq ($(SRCARCH),powerpc)
  29   NO_PERF_REGS := 0
  30   NO_SYSCALL_TABLE := 0
  31   CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
  32   LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
  33 endif
  34
  35 # Additional ARCH settings for x86
  36 ifeq ($(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     $(call detected,CONFIG_X86_64)
  44   else
  45     LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
  46   endif
  47   NO_PERF_REGS := 0
  48 endif
  49
  50 ifeq ($(SRCARCH),arm)
  51   NO_PERF_REGS := 0
  52   LIBUNWIND_LIBS = -lunwind -lunwind-arm
  53 endif
  54
  55 ifeq ($(SRCARCH),arm64)
  56   NO_PERF_REGS := 0
  57   NO_SYSCALL_TABLE := 0
  58   CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
  59   LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
  60 endif
  61
  62 ifeq ($(ARCH),s390)
  63   NO_PERF_REGS := 0
  64   NO_SYSCALL_TABLE := 0
  65   CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
  66 endif
  67
  68 ifeq ($(NO_PERF_REGS),0)
  69   $(call detected,CONFIG_PERF_REGS)
  70 endif
  71
  72 ifneq ($(NO_SYSCALL_TABLE),1)
  73   CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
  74 endif
  75
  76 # So far there's only x86 and arm libdw unwind support merged in perf.
  77 # Disable it on all other architectures in case libdw unwind
  78 # support is detected in system. Add supported architectures
  79 # to the check.
  80 ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390))
  81   NO_LIBDW_DWARF_UNWIND := 1
  82 endif
  83
  84 ifeq ($(LIBUNWIND_LIBS),)
  85   NO_LIBUNWIND := 1
  86 endif
  87 #
  88 # For linking with debug library, run like:
  89 #
  90 #   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
  91 #
  92
  93 libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
  94 define libunwind_arch_set_flags_code
  95   FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(LIBUNWIND_DIR)/include
  96   FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
  97 endef
  98
  99 ifdef LIBUNWIND_DIR
 100   LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/include
 101   LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
 102   LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
 103   $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
 104 endif
 105
 106 # Set per-feature check compilation flags
 107 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
 108 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
 109 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
 110 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
 111
 112 ifdef CSINCLUDES
 113   LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
 114 endif
 115 OPENCSDLIBS := -lopencsd_c_api -lopencsd
 116 ifdef CSLIBS
 117   LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
 118 endif
 119 FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
 120 FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
 121
 122 ifeq ($(NO_PERF_REGS),0)
 123   CFLAGS += -DHAVE_PERF_REGS_SUPPORT
 124 endif
 125
 126 # for linking with debug library, run like:
 127 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
 128 ifdef LIBDW_DIR
 129   LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
 130   LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
 131 endif
 132 DWARFLIBS := -ldw
 133 ifeq ($(findstring -static,${LDFLAGS}),-static)
 134   DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
 135 endif
 136 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
 137 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
 138
 139 # for linking with debug library, run like:
 140 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
 141 ifdef LIBBABELTRACE_DIR
 142   LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_DIR)/include
 143   LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
 144 endif
 145 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
 146 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
 147
 148 FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
 149 # include ARCH specific config
 150 -include $(src-perf)/arch/$(SRCARCH)/Makefile
 151
 152 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
 153   CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
 154 endif
 155
 156 include $(srctree)/tools/scripts/utilities.mak
 157
 158 ifeq ($(call get-executable,$(FLEX)),)
 159   dummy := $(error Error: $(FLEX) is missing on this system, please install it)
 160 endif
 161
 162 ifeq ($(call get-executable,$(BISON)),)
 163   dummy := $(error Error: $(BISON) is missing on this system, please install it)
 164 endif
 165
 166 # Treat warnings as errors unless directed not to
 167 ifneq ($(WERROR),0)
 168   CFLAGS += -Werror
 169   CXXFLAGS += -Werror
 170 endif
 171
 172 ifndef DEBUG
 173   DEBUG := 0
 174 endif
 175
 176 ifeq ($(DEBUG),0)
 177 ifeq ($(CC_NO_CLANG), 0)
 178   CFLAGS += -O3
 179 else
 180   CFLAGS += -O6
 181 endif
 182 endif
 183
 184 ifdef PARSER_DEBUG
 185   PARSER_DEBUG_BISON := -t
 186   PARSER_DEBUG_FLEX  := -d
 187   CFLAGS             += -DPARSER_DEBUG
 188   $(call detected_var,PARSER_DEBUG_BISON)
 189   $(call detected_var,PARSER_DEBUG_FLEX)
 190 endif
 191
 192 # Try different combinations to accommodate systems that only have
 193 # python[2][-config] in weird combinations but always preferring
 194 # python2 and python2-config as per pep-0394. If we catch a
 195 # python[-config] in version 3, the version check will kill it.
 196 PYTHON2 := $(if $(call get-executable,python2),python2,python)
 197 override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
 198 PYTHON2_CONFIG := \
 199   $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
 200 override PYTHON_CONFIG := \
 201   $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
 202
 203 grep-libs  = $(filter -l%,$(1))
 204 strip-libs  = $(filter-out -l%,$(1))
 205
 206 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
 207
 208 ifdef PYTHON_CONFIG
 209   PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
 210   PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
 211   PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
 212   PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
 213   FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
 214 endif
 215
 216 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
 217 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
 218 FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
 219 FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
 220
 221 CFLAGS += -fno-omit-frame-pointer
 222 CFLAGS += -ggdb3
 223 CFLAGS += -funwind-tables
 224 CFLAGS += -Wall
 225 CFLAGS += -Wextra
 226 CFLAGS += -std=gnu99
 227
 228 CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
 229 CXXFLAGS += -Wall
 230 CXXFLAGS += -fno-omit-frame-pointer
 231 CXXFLAGS += -ggdb3
 232 CXXFLAGS += -funwind-tables
 233 CXXFLAGS += -Wno-strict-aliasing
 234
 235 # Enforce a non-executable stack, as we may regress (again) in the future by
 236 # adding assembler files missing the .GNU-stack linker note.
 237 LDFLAGS += -Wl,-z,noexecstack
 238
 239 EXTLIBS = -lpthread -lrt -lm -ldl
 240
 241 ifeq ($(FEATURES_DUMP),)
 242 include $(srctree)/tools/build/Makefile.feature
 243 else
 244 include $(FEATURES_DUMP)
 245 endif
 246
 247 ifeq ($(feature-stackprotector-all), 1)
 248   CFLAGS += -fstack-protector-all
 249 endif
 250
 251 ifeq ($(DEBUG),0)
 252   ifeq ($(feature-fortify-source), 1)
 253     CFLAGS += -D_FORTIFY_SOURCE=2
 254   endif
 255 endif
 256
 257 INC_FLAGS += -I$(src-perf)/util/include
 258 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
 259 INC_FLAGS += -I$(srctree)/tools/include/uapi
 260 INC_FLAGS += -I$(srctree)/tools/include/
 261 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
 262 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
 263 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
 264
 265 # $(obj-perf)      for generated common-cmds.h
 266 # $(obj-perf)/util for generated bison/flex headers
 267 ifneq ($(OUTPUT),)
 268 INC_FLAGS += -I$(obj-perf)/util
 269 INC_FLAGS += -I$(obj-perf)
 270 endif
 271
 272 INC_FLAGS += -I$(src-perf)/util
 273 INC_FLAGS += -I$(src-perf)
 274 INC_FLAGS += -I$(srctree)/tools/lib/
 275
 276 CFLAGS   += $(INC_FLAGS)
 277 CXXFLAGS += $(INC_FLAGS)
 278
 279 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
 280
 281 ifeq ($(feature-sync-compare-and-swap), 1)
 282   CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
 283 endif
 284
 285 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
 286   CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
 287 endif
 288
 289 ifeq ($(feature-pthread-barrier), 1)
 290   CFLAGS += -DHAVE_PTHREAD_BARRIER
 291 endif
 292
 293 ifndef NO_BIONIC
 294   $(call feature_check,bionic)
 295   ifeq ($(feature-bionic), 1)
 296     BIONIC := 1
 297     EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
 298     EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
 299   endif
 300 endif
 301
 302 ifdef NO_LIBELF
 303   NO_DWARF := 1
 304   NO_DEMANGLE := 1
 305   NO_LIBUNWIND := 1
 306   NO_LIBDW_DWARF_UNWIND := 1
 307   NO_LIBBPF := 1
 308   NO_JVMTI := 1
 309 else
 310   ifeq ($(feature-libelf), 0)
 311     ifeq ($(feature-glibc), 1)
 312       LIBC_SUPPORT := 1
 313     endif
 314     ifeq ($(BIONIC),1)
 315       LIBC_SUPPORT := 1
 316     endif
 317     ifeq ($(LIBC_SUPPORT),1)
 318       msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
 319
 320       NO_LIBELF := 1
 321       NO_DWARF := 1
 322       NO_DEMANGLE := 1
 323       NO_LIBUNWIND := 1
 324       NO_LIBDW_DWARF_UNWIND := 1
 325       NO_LIBBPF := 1
 326       NO_JVMTI := 1
 327     else
 328       ifneq ($(filter s% -static%,$(LDFLAGS),),)
 329         msg := $(error No static glibc found, please install glibc-static);
 330       else
 331         msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
 332       endif
 333     endif
 334   else
 335     ifndef NO_LIBDW_DWARF_UNWIND
 336       ifneq ($(feature-libdw-dwarf-unwind),1)
 337         NO_LIBDW_DWARF_UNWIND := 1
 338         msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
 339       endif
 340     endif
 341     ifneq ($(feature-dwarf), 1)
 342       ifndef NO_DWARF
 343         msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
 344         NO_DWARF := 1
 345       endif
 346     else
 347       ifneq ($(feature-dwarf_getlocations), 1)
 348         msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
 349       else
 350         CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
 351       endif # dwarf_getlocations
 352     endif # Dwarf support
 353   endif # libelf support
 354 endif # NO_LIBELF
 355
 356 ifeq ($(feature-glibc), 1)
 357   CFLAGS += -DHAVE_GLIBC_SUPPORT
 358 endif
 359
 360 ifdef NO_DWARF
 361   NO_LIBDW_DWARF_UNWIND := 1
 362 endif
 363
 364 ifeq ($(feature-sched_getcpu), 1)
 365   CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
 366 endif
 367
 368 ifeq ($(feature-setns), 1)
 369   CFLAGS += -DHAVE_SETNS_SUPPORT
 370   $(call detected,CONFIG_SETNS)
 371 endif
 372
 373 ifndef NO_CORESIGHT
 374   ifeq ($(feature-libopencsd), 1)
 375     CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
 376     LDFLAGS += $(LIBOPENCSD_LDFLAGS)
 377     EXTLIBS += $(OPENCSDLIBS)
 378     $(call detected,CONFIG_LIBOPENCSD)
 379     ifdef CSTRACE_RAW
 380       CFLAGS += -DCS_DEBUG_RAW
 381       ifeq (${CSTRACE_RAW}, packed)
 382         CFLAGS += -DCS_RAW_PACKED
 383       endif
 384     endif
 385   endif
 386 endif
 387
 388 ifndef NO_LIBELF
 389   CFLAGS += -DHAVE_LIBELF_SUPPORT
 390   EXTLIBS += -lelf
 391   $(call detected,CONFIG_LIBELF)
 392
 393   ifeq ($(feature-libelf-mmap), 1)
 394     CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
 395   endif
 396
 397   ifeq ($(feature-libelf-getphdrnum), 1)
 398     CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
 399   endif
 400
 401   ifeq ($(feature-libelf-gelf_getnote), 1)
 402     CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
 403   else
 404     msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
 405   endif
 406
 407   ifeq ($(feature-libelf-getshdrstrndx), 1)
 408     CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
 409   endif
 410
 411   ifndef NO_DWARF
 412     ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
 413       msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
 414       NO_DWARF := 1
 415     else
 416       CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
 417       LDFLAGS += $(LIBDW_LDFLAGS)
 418       EXTLIBS += ${DWARFLIBS}
 419       $(call detected,CONFIG_DWARF)
 420     endif # PERF_HAVE_DWARF_REGS
 421   endif # NO_DWARF
 422
 423   ifndef NO_LIBBPF
 424     ifeq ($(feature-bpf), 1)
 425       CFLAGS += -DHAVE_LIBBPF_SUPPORT
 426       $(call detected,CONFIG_LIBBPF)
 427     endif
 428
 429     ifndef NO_DWARF
 430       ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
 431         CFLAGS += -DHAVE_BPF_PROLOGUE
 432         $(call detected,CONFIG_BPF_PROLOGUE)
 433       else
 434         msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
 435       endif
 436     else
 437       msg := $(warning DWARF support is off, BPF prologue is disabled);
 438     endif
 439
 440   endif # NO_LIBBPF
 441 endif # NO_LIBELF
 442
 443 ifndef NO_SDT
 444   ifneq ($(feature-sdt), 1)
 445     msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
 446     NO_SDT := 1;
 447   else
 448     CFLAGS += -DHAVE_SDT_EVENT
 449     $(call detected,CONFIG_SDT_EVENT)
 450   endif
 451 endif
 452
 453 ifdef PERF_HAVE_JITDUMP
 454   ifndef NO_LIBELF
 455     $(call detected,CONFIG_JITDUMP)
 456     CFLAGS += -DHAVE_JITDUMP
 457   endif
 458 endif
 459
 460 ifeq ($(SRCARCH),powerpc)
 461   ifndef NO_DWARF
 462     CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
 463   endif
 464 endif
 465
 466 ifndef NO_LIBUNWIND
 467   have_libunwind :=
 468
 469   ifeq ($(feature-libunwind-x86), 1)
 470     $(call detected,CONFIG_LIBUNWIND_X86)
 471     CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
 472     LDFLAGS += -lunwind-x86
 473     EXTLIBS_LIBUNWIND += -lunwind-x86
 474     have_libunwind = 1
 475   endif
 476
 477   ifeq ($(feature-libunwind-aarch64), 1)
 478     $(call detected,CONFIG_LIBUNWIND_AARCH64)
 479     CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
 480     LDFLAGS += -lunwind-aarch64
 481     EXTLIBS_LIBUNWIND += -lunwind-aarch64
 482     have_libunwind = 1
 483     $(call feature_check,libunwind-debug-frame-aarch64)
 484     ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
 485       msg := $(warning No debug_frame support found in libunwind-aarch64);
 486       CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
 487     endif
 488   endif
 489
 490   ifneq ($(feature-libunwind), 1)
 491     msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
 492     NO_LOCAL_LIBUNWIND := 1
 493   else
 494     have_libunwind := 1
 495     $(call detected,CONFIG_LOCAL_LIBUNWIND)
 496   endif
 497
 498   ifneq ($(have_libunwind), 1)
 499     NO_LIBUNWIND := 1
 500   endif
 501 else
 502   NO_LOCAL_LIBUNWIND := 1
 503 endif
 504
 505 ifndef NO_LIBBPF
 506   ifneq ($(feature-bpf), 1)
 507     msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
 508     NO_LIBBPF := 1
 509   endif
 510 endif
 511
 512 dwarf-post-unwind := 1
 513 dwarf-post-unwind-text := BUG
 514
 515 # setup DWARF post unwinder
 516 ifdef NO_LIBUNWIND
 517   ifdef NO_LIBDW_DWARF_UNWIND
 518     msg := $(warning Disabling post unwind, no support found.);
 519     dwarf-post-unwind := 0
 520   else
 521     dwarf-post-unwind-text := libdw
 522     $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
 523   endif
 524 else
 525   dwarf-post-unwind-text := libunwind
 526   $(call detected,CONFIG_LIBUNWIND)
 527   # Enable libunwind support by default.
 528   ifndef NO_LIBDW_DWARF_UNWIND
 529     NO_LIBDW_DWARF_UNWIND := 1
 530   endif
 531 endif
 532
 533 ifeq ($(dwarf-post-unwind),1)
 534   CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
 535   $(call detected,CONFIG_DWARF_UNWIND)
 536 else
 537   NO_DWARF_UNWIND := 1
 538 endif
 539
 540 ifndef NO_LOCAL_LIBUNWIND
 541   ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
 542     $(call feature_check,libunwind-debug-frame)
 543     ifneq ($(feature-libunwind-debug-frame), 1)
 544       msg := $(warning No debug_frame support found in libunwind);
 545       CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
 546     endif
 547   else
 548     # non-ARM has no dwarf_find_debug_frame() function:
 549     CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
 550   endif
 551   EXTLIBS += $(LIBUNWIND_LIBS)
 552   LDFLAGS += $(LIBUNWIND_LIBS)
 553 endif
 554 ifeq ($(findstring -static,${LDFLAGS}),-static)
 555   # gcc -static links libgcc_eh which contans piece of libunwind
 556   LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
 557 endif
 558
 559 ifndef NO_LIBUNWIND
 560   CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
 561   CFLAGS  += $(LIBUNWIND_CFLAGS)
 562   LDFLAGS += $(LIBUNWIND_LDFLAGS)
 563   EXTLIBS += $(EXTLIBS_LIBUNWIND)
 564 endif
 565
 566 ifeq ($(NO_SYSCALL_TABLE),0)
 567   $(call detected,CONFIG_TRACE)
 568 else
 569   ifndef NO_LIBAUDIT
 570     ifneq ($(feature-libaudit), 1)
 571       msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
 572       NO_LIBAUDIT := 1
 573     else
 574       CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
 575       EXTLIBS += -laudit
 576       $(call detected,CONFIG_TRACE)
 577     endif
 578   endif
 579 endif
 580
 581 ifndef NO_LIBCRYPTO
 582   ifneq ($(feature-libcrypto), 1)
 583     msg := $(warning No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev);
 584     NO_LIBCRYPTO := 1
 585   else
 586     CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
 587     EXTLIBS += -lcrypto
 588     $(call detected,CONFIG_CRYPTO)
 589   endif
 590 endif
 591
 592 ifdef NO_NEWT
 593   NO_SLANG=1
 594 endif
 595
 596 ifndef NO_SLANG
 597   ifneq ($(feature-libslang), 1)
 598     msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
 599     NO_SLANG := 1
 600   else
 601     # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
 602     CFLAGS += -I/usr/include/slang
 603     CFLAGS += -DHAVE_SLANG_SUPPORT
 604     EXTLIBS += -lslang
 605     $(call detected,CONFIG_SLANG)
 606   endif
 607 endif
 608
 609 ifndef NO_GTK2
 610   FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
 611   ifneq ($(feature-gtk2), 1)
 612     msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
 613     NO_GTK2 := 1
 614   else
 615     ifeq ($(feature-gtk2-infobar), 1)
 616       GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
 617     endif
 618     CFLAGS += -DHAVE_GTK2_SUPPORT
 619     GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
 620     GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
 621     EXTLIBS += -ldl
 622   endif
 623 endif
 624
 625 ifdef NO_LIBPERL
 626   CFLAGS += -DNO_LIBPERL
 627 else
 628   PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
 629   PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
 630   PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
 631   PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
 632   PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
 633   PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
 634   FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
 635
 636   ifneq ($(feature-libperl), 1)
 637     CFLAGS += -DNO_LIBPERL
 638     NO_LIBPERL := 1
 639     msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
 640   else
 641     LDFLAGS += $(PERL_EMBED_LDFLAGS)
 642     EXTLIBS += $(PERL_EMBED_LIBADD)
 643     CFLAGS += -DHAVE_LIBPERL_SUPPORT
 644     $(call detected,CONFIG_LIBPERL)
 645   endif
 646 endif
 647
 648 ifeq ($(feature-timerfd), 1)
 649   CFLAGS += -DHAVE_TIMERFD_SUPPORT
 650 else
 651   msg := $(warning No timerfd support. Disables 'perf kvm stat live');
 652 endif
 653
 654 disable-python = $(eval $(disable-python_code))
 655 define disable-python_code
 656   CFLAGS += -DNO_LIBPYTHON
 657   $(warning $1)
 658   NO_LIBPYTHON := 1
 659 endef
 660
 661 ifdef NO_LIBPYTHON
 662   $(call disable-python,Python support disabled by user)
 663 else
 664
 665   ifndef PYTHON
 666     $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
 667   else
 668     PYTHON_WORD := $(call shell-wordify,$(PYTHON))
 669
 670     ifndef PYTHON_CONFIG
 671       $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
 672     else
 673
 674       ifneq ($(feature-libpython), 1)
 675         $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
 676       else
 677          LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
 678          EXTLIBS += $(PYTHON_EMBED_LIBADD)
 679          LANG_BINDINGS += $(obj-perf)python/perf.so
 680          CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
 681          $(call detected,CONFIG_LIBPYTHON)
 682       endif
 683     endif
 684   endif
 685 endif
 686
 687 ifeq ($(feature-libbfd), 1)
 688   EXTLIBS += -lbfd
 689
 690   # call all detections now so we get correct
 691   # status in VF output
 692   $(call feature_check,liberty)
 693   $(call feature_check,liberty-z)
 694   $(call feature_check,cplus-demangle)
 695
 696   ifeq ($(feature-liberty), 1)
 697     EXTLIBS += -liberty
 698   else
 699     ifeq ($(feature-liberty-z), 1)
 700       EXTLIBS += -liberty -lz
 701     endif
 702   endif
 703 endif
 704
 705 ifdef NO_DEMANGLE
 706   CFLAGS += -DNO_DEMANGLE
 707 else
 708   ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
 709     EXTLIBS += -liberty
 710     CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
 711   else
 712     ifneq ($(feature-libbfd), 1)
 713       ifneq ($(feature-liberty), 1)
 714         ifneq ($(feature-liberty-z), 1)
 715           # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
 716           # or any of 'bfd iberty z' trinity
 717           ifeq ($(feature-cplus-demangle), 1)
 718             EXTLIBS += -liberty
 719             CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
 720           else
 721             msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
 722             CFLAGS += -DNO_DEMANGLE
 723           endif
 724         endif
 725       endif
 726     endif
 727   endif
 728 endif
 729
 730 ifneq ($(filter -lbfd,$(EXTLIBS)),)
 731   CFLAGS += -DHAVE_LIBBFD_SUPPORT
 732 endif
 733
 734 ifndef NO_ZLIB
 735   ifeq ($(feature-zlib), 1)
 736     CFLAGS += -DHAVE_ZLIB_SUPPORT
 737     EXTLIBS += -lz
 738     $(call detected,CONFIG_ZLIB)
 739   else
 740     NO_ZLIB := 1
 741   endif
 742 endif
 743
 744 ifndef NO_LZMA
 745   ifeq ($(feature-lzma), 1)
 746     CFLAGS += -DHAVE_LZMA_SUPPORT
 747     EXTLIBS += -llzma
 748     $(call detected,CONFIG_LZMA)
 749   else
 750     msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
 751     NO_LZMA := 1
 752   endif
 753 endif
 754
 755 ifndef NO_BACKTRACE
 756   ifeq ($(feature-backtrace), 1)
 757     CFLAGS += -DHAVE_BACKTRACE_SUPPORT
 758   endif
 759 endif
 760
 761 ifndef NO_LIBNUMA
 762   ifeq ($(feature-libnuma), 0)
 763     msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
 764     NO_LIBNUMA := 1
 765   else
 766     ifeq ($(feature-numa_num_possible_cpus), 0)
 767       msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
 768       NO_LIBNUMA := 1
 769     else
 770       CFLAGS += -DHAVE_LIBNUMA_SUPPORT
 771       EXTLIBS += -lnuma
 772       $(call detected,CONFIG_NUMA)
 773     endif
 774   endif
 775 endif
 776
 777 ifdef HAVE_KVM_STAT_SUPPORT
 778     CFLAGS += -DHAVE_KVM_STAT_SUPPORT
 779 endif
 780
 781 ifeq (${IS_64_BIT}, 1)
 782   ifndef NO_PERF_READ_VDSO32
 783     $(call feature_check,compile-32)
 784     ifeq ($(feature-compile-32), 1)
 785       CFLAGS += -DHAVE_PERF_READ_VDSO32
 786     else
 787       NO_PERF_READ_VDSO32 := 1
 788     endif
 789   endif
 790   ifneq ($(SRCARCH), x86)
 791     NO_PERF_READ_VDSOX32 := 1
 792   endif
 793   ifndef NO_PERF_READ_VDSOX32
 794     $(call feature_check,compile-x32)
 795     ifeq ($(feature-compile-x32), 1)
 796       CFLAGS += -DHAVE_PERF_READ_VDSOX32
 797     else
 798       NO_PERF_READ_VDSOX32 := 1
 799     endif
 800   endif
 801 else
 802   NO_PERF_READ_VDSO32 := 1
 803   NO_PERF_READ_VDSOX32 := 1
 804 endif
 805
 806 ifndef NO_LIBBABELTRACE
 807   $(call feature_check,libbabeltrace)
 808   ifeq ($(feature-libbabeltrace), 1)
 809     CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
 810     LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
 811     EXTLIBS += -lbabeltrace-ctf
 812     $(call detected,CONFIG_LIBBABELTRACE)
 813   else
 814     msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
 815   endif
 816 endif
 817
 818 ifndef NO_AUXTRACE
 819   ifeq ($(SRCARCH),x86)
 820     ifeq ($(feature-get_cpuid), 0)
 821       msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
 822       NO_AUXTRACE := 1
 823     endif
 824   endif
 825   ifndef NO_AUXTRACE
 826     $(call detected,CONFIG_AUXTRACE)
 827     CFLAGS += -DHAVE_AUXTRACE_SUPPORT
 828   endif
 829 endif
 830
 831 ifndef NO_JVMTI
 832   ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
 833     JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
 834   else
 835     ifneq (,$(wildcard /usr/sbin/alternatives))
 836       JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
 837     endif
 838   endif
 839   ifndef JDIR
 840     $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
 841     NO_JVMTI := 1
 842   endif
 843 endif
 844
 845 ifndef NO_JVMTI
 846   FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
 847   $(call feature_check,jvmti)
 848   ifeq ($(feature-jvmti), 1)
 849     $(call detected_var,JDIR)
 850   else
 851     $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
 852     NO_JVMTI := 1
 853   endif
 854 endif
 855
 856 USE_CXX = 0
 857 USE_CLANGLLVM = 0
 858 ifdef LIBCLANGLLVM
 859   $(call feature_check,cxx)
 860   ifneq ($(feature-cxx), 1)
 861     msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
 862   else
 863     $(call feature_check,llvm)
 864     $(call feature_check,llvm-version)
 865     ifneq ($(feature-llvm), 1)
 866       msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
 867     else
 868       $(call feature_check,clang)
 869       ifneq ($(feature-clang), 1)
 870         msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
 871       else
 872         CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
 873         CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
 874         $(call detected,CONFIG_CXX)
 875         $(call detected,CONFIG_CLANGLLVM)
 876         USE_CXX = 1
 877         USE_LLVM = 1
 878         USE_CLANG = 1
 879         ifneq ($(feature-llvm-version),1)
 880           msg := $(warning This version of LLVM is not tested. May cause build errors)
 881         endif
 882       endif
 883     endif
 884   endif
 885 endif
 886
 887 # Among the variables below, these:
 888 #   perfexecdir
 889 #   perf_include_dir
 890 #   perf_examples_dir
 891 #   template_dir
 892 #   mandir
 893 #   infodir
 894 #   htmldir
 895 #   ETC_PERFCONFIG (but not sysconfdir)
 896 # can be specified as a relative path some/where/else;
 897 # this is interpreted as relative to $(prefix) and "perf" at
 898 # runtime figures out where they are based on the path to the executable.
 899 # This can help installing the suite in a relocatable way.
 900
 901 # Make the path relative to DESTDIR, not to prefix
 902 ifndef DESTDIR
 903 prefix ?= $(HOME)
 904 endif
 905 bindir_relative = bin
 906 bindir = $(abspath $(prefix)/$(bindir_relative))
 907 mandir = share/man
 908 infodir = share/info
 909 perfexecdir = libexec/perf-core
 910 perf_include_dir = lib/perf/include
 911 perf_examples_dir = lib/perf/examples
 912 sharedir = $(prefix)/share
 913 template_dir = share/perf-core/templates
 914 STRACE_GROUPS_DIR = share/perf-core/strace/groups
 915 htmldir = share/doc/perf-doc
 916 tipdir = share/doc/perf-tip
 917 srcdir = $(srctree)/tools/perf
 918 ifeq ($(prefix),/usr)
 919 sysconfdir = /etc
 920 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
 921 else
 922 sysconfdir = $(prefix)/etc
 923 ETC_PERFCONFIG = etc/perfconfig
 924 endif
 925 ifndef lib
 926 ifeq ($(SRCARCH)$(IS_64_BIT), x861)
 927 lib = lib64
 928 else
 929 lib = lib
 930 endif
 931 endif # lib
 932 libdir = $(prefix)/$(lib)
 933
 934 # Shell quote (do not use $(call) to accommodate ancient setups);
 935 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
 936 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
 937 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
 938 bindir_SQ = $(subst ','\'',$(bindir))
 939 mandir_SQ = $(subst ','\'',$(mandir))
 940 infodir_SQ = $(subst ','\'',$(infodir))
 941 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
 942 perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
 943 perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
 944 template_dir_SQ = $(subst ','\'',$(template_dir))
 945 htmldir_SQ = $(subst ','\'',$(htmldir))
 946 tipdir_SQ = $(subst ','\'',$(tipdir))
 947 prefix_SQ = $(subst ','\'',$(prefix))
 948 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
 949 libdir_SQ = $(subst ','\'',$(libdir))
 950 srcdir_SQ = $(subst ','\'',$(srcdir))
 951
 952 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
 953 perfexec_instdir = $(perfexecdir)
 954 perf_include_instdir = $(perf_include_dir)
 955 perf_examples_instdir = $(perf_examples_dir)
 956 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
 957 tip_instdir = $(tipdir)
 958 else
 959 perfexec_instdir = $(prefix)/$(perfexecdir)
 960 perf_include_instdir = $(prefix)/$(perf_include_dir)
 961 perf_examples_instdir = $(prefix)/$(perf_examples_dir)
 962 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
 963 tip_instdir = $(prefix)/$(tipdir)
 964 endif
 965 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
 966 perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
 967 perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
 968 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
 969 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
 970
 971 # If we install to $(HOME) we keep the traceevent default:
 972 # $(HOME)/.traceevent/plugins
 973 # Otherwise we install plugins into the global $(libdir).
 974 ifdef DESTDIR
 975 plugindir=$(libdir)/traceevent/plugins
 976 plugindir_SQ= $(subst ','\'',$(plugindir))
 977 endif
 978
 979 print_var = $(eval $(print_var_code)) $(info $(MSG))
 980 define print_var_code
 981     MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
 982 endef
 983
 984 ifeq ($(VF),1)
 985   # Display EXTRA features which are detected manualy
 986   # from here with feature_check call and thus cannot
 987   # be partof global state output.
 988   $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
 989   $(call print_var,prefix)
 990   $(call print_var,bindir)
 991   $(call print_var,libdir)
 992   $(call print_var,sysconfdir)
 993   $(call print_var,LIBUNWIND_DIR)
 994   $(call print_var,LIBDW_DIR)
 995   $(call print_var,JDIR)
 996
 997   ifeq ($(dwarf-post-unwind),1)
 998     $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
 999   endif
1000   $(info )
1001 endif
1002
1003 $(call detected_var,bindir_SQ)
1004 $(call detected_var,PYTHON_WORD)
1005 ifneq ($(OUTPUT),)
1006 $(call detected_var,OUTPUT)
1007 endif
1008 $(call detected_var,htmldir_SQ)
1009 $(call detected_var,infodir_SQ)
1010 $(call detected_var,mandir_SQ)
1011 $(call detected_var,ETC_PERFCONFIG_SQ)
1012 $(call detected_var,STRACE_GROUPS_DIR_SQ)
1013 $(call detected_var,prefix_SQ)
1014 $(call detected_var,perfexecdir_SQ)
1015 $(call detected_var,perf_include_dir_SQ)
1016 $(call detected_var,perf_examples_dir_SQ)
1017 $(call detected_var,tipdir_SQ)
1018 $(call detected_var,srcdir_SQ)
1019 $(call detected_var,LIBDIR)
1020 $(call detected_var,GTK_CFLAGS)
1021 $(call detected_var,PERL_EMBED_CCOPTS)
1022 $(call detected_var,PYTHON_EMBED_CCOPTS)