tools/perf/config/Makefile

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