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