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