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