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 LIB_INCLUDE := $(srctree)/tools/lib/
  15 CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
  16
  17 include $(src-perf)/config/Makefile.arch
  18
  19 NO_PERF_REGS := 1
  20
  21 # Additional ARCH settings for x86
  22 ifeq ($(ARCH),x86)
  23   ifeq (${IS_X86_64}, 1)
  24     CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT
  25     ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
  26     LIBUNWIND_LIBS = -lunwind -lunwind-x86_64
  27   else
  28     LIBUNWIND_LIBS = -lunwind -lunwind-x86
  29   endif
  30   NO_PERF_REGS := 0
  31 endif
  32 ifeq ($(ARCH),arm)
  33   NO_PERF_REGS := 0
  34   LIBUNWIND_LIBS = -lunwind -lunwind-arm
  35 endif
  36
  37 ifeq ($(LIBUNWIND_LIBS),)
  38   NO_LIBUNWIND := 1
  39 else
  40   #
  41   # For linking with debug library, run like:
  42   #
  43   #   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
  44   #
  45   ifdef LIBUNWIND_DIR
  46     LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/include
  47     LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
  48   endif
  49   LIBUNWIND_LDFLAGS += $(LIBUNWIND_LIBS)
  50
  51   # Set per-feature check compilation flags
  52   FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
  53   FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS)
  54   FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
  55   FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS)
  56 endif
  57
  58 ifeq ($(NO_PERF_REGS),0)
  59   CFLAGS += -DHAVE_PERF_REGS_SUPPORT
  60 endif
  61
  62 ifndef NO_LIBELF
  63   # for linking with debug library, run like:
  64   # make DEBUG=1 LIBDW_DIR=/opt/libdw/
  65   ifdef LIBDW_DIR
  66     LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
  67     LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
  68
  69     FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
  70     FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) -ldw
  71   endif
  72 endif
  73
  74 # include ARCH specific config
  75 -include $(src-perf)/arch/$(ARCH)/Makefile
  76
  77 include $(src-perf)/config/utilities.mak
  78
  79 ifeq ($(call get-executable,$(FLEX)),)
  80   dummy := $(error Error: $(FLEX) is missing on this system, please install it)
  81 endif
  82
  83 ifeq ($(call get-executable,$(BISON)),)
  84   dummy := $(error Error: $(BISON) is missing on this system, please install it)
  85 endif
  86
  87 # Treat warnings as errors unless directed not to
  88 ifneq ($(WERROR),0)
  89   CFLAGS += -Werror
  90 endif
  91
  92 ifndef DEBUG
  93   DEBUG := 0
  94 endif
  95
  96 ifeq ($(DEBUG),0)
  97   CFLAGS += -O6
  98 endif
  99
 100 ifdef PARSER_DEBUG
 101   PARSER_DEBUG_BISON := -t
 102   PARSER_DEBUG_FLEX  := -d
 103   CFLAGS             += -DPARSER_DEBUG
 104 endif
 105
 106 CFLAGS += -fno-omit-frame-pointer
 107 CFLAGS += -ggdb3
 108 CFLAGS += -funwind-tables
 109 CFLAGS += -Wall
 110 CFLAGS += -Wextra
 111 CFLAGS += -std=gnu99
 112
 113 EXTLIBS = -lelf -lpthread -lrt -lm -ldl
 114
 115 ifneq ($(OUTPUT),)
 116   OUTPUT_FEATURES = $(OUTPUT)config/feature-checks/
 117   $(shell mkdir -p $(OUTPUT_FEATURES))
 118 endif
 119
 120 feature_check = $(eval $(feature_check_code))
 121 define feature_check_code
 122   feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS) $(FEATURE_CHECK_CFLAGS-$(1))" LDFLAGS="$(LDFLAGS) $(FEATURE_CHECK_LDFLAGS-$(1))" -C config/feature-checks test-$1.bin >/dev/null 2>/dev/null && echo 1 || echo 0)
 123 endef
 124
 125 feature_set = $(eval $(feature_set_code))
 126 define feature_set_code
 127   feature-$(1) := 1
 128 endef
 129
 130 #
 131 # Build the feature check binaries in parallel, ignore errors, ignore return value and suppress output:
 132 #
 133
 134 #
 135 # Note that this is not a complete list of all feature tests, just
 136 # those that are typically built on a fully configured system.
 137 #
 138 # [ Feature tests not mentioned here have to be built explicitly in
 139 #   the rule that uses them - an example for that is the 'bionic'
 140 #   feature check. ]
 141 #
 142 CORE_FEATURE_TESTS =                    \
 143         backtrace                       \
 144         dwarf                           \
 145         fortify-source                  \
 146         glibc                           \
 147         gtk2                            \
 148         gtk2-infobar                    \
 149         libaudit                        \
 150         libbfd                          \
 151         libelf                          \
 152         libelf-getphdrnum               \
 153         libelf-mmap                     \
 154         libnuma                         \
 155         libperl                         \
 156         libpython                       \
 157         libpython-version               \
 158         libslang                        \
 159         libunwind                       \
 160         on-exit                         \
 161         stackprotector-all              \
 162         timerfd                         \
 163         libdw-dwarf-unwind
 164
 165 LIB_FEATURE_TESTS =                     \
 166         dwarf                           \
 167         glibc                           \
 168         gtk2                            \
 169         libaudit                        \
 170         libbfd                          \
 171         libelf                          \
 172         libnuma                         \
 173         libperl                         \
 174         libpython                       \
 175         libslang                        \
 176         libunwind                       \
 177         libdw-dwarf-unwind
 178
 179 VF_FEATURE_TESTS =                      \
 180         backtrace                       \
 181         fortify-source                  \
 182         gtk2-infobar                    \
 183         libelf-getphdrnum               \
 184         libelf-mmap                     \
 185         libpython-version               \
 186         on-exit                         \
 187         stackprotector-all              \
 188         timerfd                         \
 189         libunwind-debug-frame           \
 190         bionic
 191
 192 # Set FEATURE_CHECK_(C|LD)FLAGS-all for all CORE_FEATURE_TESTS features.
 193 # If in the future we need per-feature checks/flags for features not
 194 # mentioned in this list we need to refactor this ;-).
 195 set_test_all_flags = $(eval $(set_test_all_flags_code))
 196 define set_test_all_flags_code
 197   FEATURE_CHECK_CFLAGS-all  += $(FEATURE_CHECK_CFLAGS-$(1))
 198   FEATURE_CHECK_LDFLAGS-all += $(FEATURE_CHECK_LDFLAGS-$(1))
 199 endef
 200
 201 $(foreach feat,$(CORE_FEATURE_TESTS),$(call set_test_all_flags,$(feat)))
 202
 203 #
 204 # Special fast-path for the 'all features are available' case:
 205 #
 206 $(call feature_check,all,$(MSG))
 207
 208 #
 209 # Just in case the build freshly failed, make sure we print the
 210 # feature matrix:
 211 #
 212 ifeq ($(feature-all), 1)
 213   #
 214   # test-all.c passed - just set all the core feature flags to 1:
 215   #
 216   $(foreach feat,$(CORE_FEATURE_TESTS),$(call feature_set,$(feat)))
 217 else
 218   $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS)" LDFLAGS=$(LDFLAGS) -i -j -C config/feature-checks $(addsuffix .bin,$(CORE_FEATURE_TESTS)) >/dev/null 2>&1)
 219   $(foreach feat,$(CORE_FEATURE_TESTS),$(call feature_check,$(feat)))
 220 endif
 221
 222 ifeq ($(feature-stackprotector-all), 1)
 223   CFLAGS += -fstack-protector-all
 224 endif
 225
 226 ifeq ($(DEBUG),0)
 227   ifeq ($(feature-fortify-source), 1)
 228     CFLAGS += -D_FORTIFY_SOURCE=2
 229   endif
 230 endif
 231
 232 CFLAGS += -I$(src-perf)/util/include
 233 CFLAGS += -I$(src-perf)/arch/$(ARCH)/include
 234 CFLAGS += -I$(srctree)/tools/include/
 235 CFLAGS += -I$(srctree)/arch/$(ARCH)/include/uapi
 236 CFLAGS += -I$(srctree)/arch/$(ARCH)/include
 237 CFLAGS += -I$(srctree)/include/uapi
 238 CFLAGS += -I$(srctree)/include
 239
 240 # $(obj-perf)      for generated common-cmds.h
 241 # $(obj-perf)/util for generated bison/flex headers
 242 ifneq ($(OUTPUT),)
 243 CFLAGS += -I$(obj-perf)/util
 244 CFLAGS += -I$(obj-perf)
 245 endif
 246
 247 CFLAGS += -I$(src-perf)/util
 248 CFLAGS += -I$(src-perf)
 249 CFLAGS += -I$(LIB_INCLUDE)
 250
 251 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
 252
 253 ifndef NO_BIONIC
 254   $(call feature_check,bionic)
 255   ifeq ($(feature-bionic), 1)
 256     BIONIC := 1
 257     EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
 258     EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
 259   endif
 260 endif
 261
 262 ifdef NO_LIBELF
 263   NO_DWARF := 1
 264   NO_DEMANGLE := 1
 265   NO_LIBUNWIND := 1
 266   NO_LIBDW_DWARF_UNWIND := 1
 267 else
 268   ifeq ($(feature-libelf), 0)
 269     ifeq ($(feature-glibc), 1)
 270       LIBC_SUPPORT := 1
 271     endif
 272     ifeq ($(BIONIC),1)
 273       LIBC_SUPPORT := 1
 274     endif
 275     ifeq ($(LIBC_SUPPORT),1)
 276       msg := $(warning No libelf found, disables 'probe' tool, please install elfutils-libelf-devel/libelf-dev);
 277
 278       NO_LIBELF := 1
 279       NO_DWARF := 1
 280       NO_DEMANGLE := 1
 281     else
 282       msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static);
 283     endif
 284   else
 285     ifndef NO_LIBDW_DWARF_UNWIND
 286       ifneq ($(feature-libdw-dwarf-unwind),1)
 287         NO_LIBDW_DWARF_UNWIND := 1
 288         msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
 289       endif
 290     endif
 291     ifneq ($(feature-dwarf), 1)
 292       msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
 293       NO_DWARF := 1
 294     endif # Dwarf support
 295   endif # libelf support
 296 endif # NO_LIBELF
 297
 298 ifndef NO_LIBELF
 299   CFLAGS += -DHAVE_LIBELF_SUPPORT
 300
 301   ifeq ($(feature-libelf-mmap), 1)
 302     CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
 303   endif
 304
 305   ifeq ($(feature-libelf-getphdrnum), 1)
 306     CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
 307   endif
 308
 309   # include ARCH specific config
 310   -include $(src-perf)/arch/$(ARCH)/Makefile
 311
 312   ifndef NO_DWARF
 313     ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
 314       msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
 315       NO_DWARF := 1
 316     else
 317       CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
 318       LDFLAGS += $(LIBDW_LDFLAGS)
 319       EXTLIBS += -lelf -ldw
 320     endif # PERF_HAVE_DWARF_REGS
 321   endif # NO_DWARF
 322 endif # NO_LIBELF
 323
 324 ifndef NO_LIBUNWIND
 325   ifneq ($(feature-libunwind), 1)
 326     msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
 327     NO_LIBUNWIND := 1
 328   endif
 329 endif
 330
 331 dwarf-post-unwind := 1
 332 dwarf-post-unwind-text := BUG
 333
 334 # setup DWARF post unwinder
 335 ifdef NO_LIBUNWIND
 336   ifdef NO_LIBDW_DWARF_UNWIND
 337     msg := $(warning Disabling post unwind, no support found.);
 338     dwarf-post-unwind := 0
 339   else
 340     dwarf-post-unwind-text := libdw
 341   endif
 342 else
 343   dwarf-post-unwind-text := libunwind
 344   # Enable libunwind support by default.
 345   ifndef NO_LIBDW_DWARF_UNWIND
 346     NO_LIBDW_DWARF_UNWIND := 1
 347   endif
 348 endif
 349
 350 ifeq ($(dwarf-post-unwind),1)
 351   CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
 352 else
 353   NO_DWARF_UNWIND := 1
 354 endif
 355
 356 ifndef NO_LIBUNWIND
 357   ifeq ($(ARCH),arm)
 358     $(call feature_check,libunwind-debug-frame)
 359     ifneq ($(feature-libunwind-debug-frame), 1)
 360       msg := $(warning No debug_frame support found in libunwind);
 361       CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
 362     endif
 363   else
 364     # non-ARM has no dwarf_find_debug_frame() function:
 365     CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
 366   endif
 367   CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
 368   EXTLIBS += $(LIBUNWIND_LIBS)
 369   CFLAGS  += $(LIBUNWIND_CFLAGS)
 370   LDFLAGS += $(LIBUNWIND_LDFLAGS)
 371 endif
 372
 373 ifndef NO_LIBAUDIT
 374   ifneq ($(feature-libaudit), 1)
 375     msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
 376     NO_LIBAUDIT := 1
 377   else
 378     CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
 379     EXTLIBS += -laudit
 380   endif
 381 endif
 382
 383 ifdef NO_NEWT
 384   NO_SLANG=1
 385 endif
 386
 387 ifndef NO_SLANG
 388   ifneq ($(feature-libslang), 1)
 389     msg := $(warning slang not found, disables TUI support. Please install slang-devel or libslang-dev);
 390     NO_SLANG := 1
 391   else
 392     # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
 393     CFLAGS += -I/usr/include/slang
 394     CFLAGS += -DHAVE_SLANG_SUPPORT
 395     EXTLIBS += -lslang
 396   endif
 397 endif
 398
 399 ifndef NO_GTK2
 400   FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
 401   ifneq ($(feature-gtk2), 1)
 402     msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
 403     NO_GTK2 := 1
 404   else
 405     ifeq ($(feature-gtk2-infobar), 1)
 406       GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
 407     endif
 408     CFLAGS += -DHAVE_GTK2_SUPPORT
 409     GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
 410     GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
 411     EXTLIBS += -ldl
 412   endif
 413 endif
 414
 415 grep-libs  = $(filter -l%,$(1))
 416 strip-libs = $(filter-out -l%,$(1))
 417
 418 ifdef NO_LIBPERL
 419   CFLAGS += -DNO_LIBPERL
 420 else
 421   PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
 422   PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
 423   PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
 424   PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
 425   FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
 426
 427   ifneq ($(feature-libperl), 1)
 428     CFLAGS += -DNO_LIBPERL
 429     NO_LIBPERL := 1
 430   else
 431     LDFLAGS += $(PERL_EMBED_LDFLAGS)
 432     EXTLIBS += $(PERL_EMBED_LIBADD)
 433   endif
 434 endif
 435
 436 ifeq ($(feature-timerfd), 1)
 437   CFLAGS += -DHAVE_TIMERFD_SUPPORT
 438 else
 439   msg := $(warning No timerfd support. Disables 'perf kvm stat live');
 440 endif
 441
 442 disable-python = $(eval $(disable-python_code))
 443 define disable-python_code
 444   CFLAGS += -DNO_LIBPYTHON
 445   $(if $(1),$(warning No $(1) was found))
 446   $(warning Python support will not be built)
 447   NO_LIBPYTHON := 1
 448 endef
 449
 450 override PYTHON := \
 451   $(call get-executable-or-default,PYTHON,python)
 452
 453 ifndef PYTHON
 454   $(call disable-python,python interpreter)
 455 else
 456
 457   PYTHON_WORD := $(call shell-wordify,$(PYTHON))
 458
 459   ifdef NO_LIBPYTHON
 460     $(call disable-python)
 461   else
 462
 463     override PYTHON_CONFIG := \
 464       $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON)-config)
 465
 466     ifndef PYTHON_CONFIG
 467       $(call disable-python,python-config tool)
 468     else
 469
 470       PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
 471
 472       PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
 473       PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
 474       PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS))
 475       PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
 476       FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
 477
 478       ifneq ($(feature-libpython), 1)
 479         $(call disable-python,Python.h (for Python 2.x))
 480       else
 481
 482         ifneq ($(feature-libpython-version), 1)
 483           $(warning Python 3 is not yet supported; please set)
 484           $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
 485           $(warning If you also have Python 2 installed, then)
 486           $(warning try something like:)
 487           $(warning $(and ,))
 488           $(warning $(and ,)  make PYTHON=python2)
 489           $(warning $(and ,))
 490           $(warning Otherwise, disable Python support entirely:)
 491           $(warning $(and ,))
 492           $(warning $(and ,)  make NO_LIBPYTHON=1)
 493           $(warning $(and ,))
 494           $(error   $(and ,))
 495         else
 496           LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
 497           EXTLIBS += $(PYTHON_EMBED_LIBADD)
 498           LANG_BINDINGS += $(obj-perf)python/perf.so
 499         endif
 500       endif
 501     endif
 502   endif
 503 endif
 504
 505 ifeq ($(feature-libbfd), 1)
 506   EXTLIBS += -lbfd -lz -liberty
 507 endif
 508
 509 ifdef NO_DEMANGLE
 510   CFLAGS += -DNO_DEMANGLE
 511 else
 512   ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
 513     EXTLIBS += -liberty
 514     CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
 515   else
 516     ifneq ($(feature-libbfd), 1)
 517       $(call feature_check,liberty)
 518       ifeq ($(feature-liberty), 1)
 519         EXTLIBS += -lbfd -liberty
 520       else
 521         $(call feature_check,liberty-z)
 522         ifeq ($(feature-liberty-z), 1)
 523           EXTLIBS += -lbfd -liberty -lz
 524         else
 525           $(call feature_check,cplus-demangle)
 526           ifeq ($(feature-cplus-demangle), 1)
 527             EXTLIBS += -liberty
 528             CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
 529           else
 530             msg := $(warning No bfd.h/libbfd found, install binutils-dev[el]/zlib-static to gain symbol demangling)
 531             CFLAGS += -DNO_DEMANGLE
 532           endif
 533         endif
 534       endif
 535     endif
 536   endif
 537 endif
 538
 539 ifneq ($(filter -lbfd,$(EXTLIBS)),)
 540   CFLAGS += -DHAVE_LIBBFD_SUPPORT
 541 endif
 542
 543 ifndef NO_ON_EXIT
 544   ifeq ($(feature-on-exit), 1)
 545     CFLAGS += -DHAVE_ON_EXIT_SUPPORT
 546   endif
 547 endif
 548
 549 ifndef NO_BACKTRACE
 550   ifeq ($(feature-backtrace), 1)
 551     CFLAGS += -DHAVE_BACKTRACE_SUPPORT
 552   endif
 553 endif
 554
 555 ifndef NO_LIBNUMA
 556   ifeq ($(feature-libnuma), 0)
 557     msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
 558     NO_LIBNUMA := 1
 559   else
 560     CFLAGS += -DHAVE_LIBNUMA_SUPPORT
 561     EXTLIBS += -lnuma
 562   endif
 563 endif
 564
 565 # Among the variables below, these:
 566 #   perfexecdir
 567 #   template_dir
 568 #   mandir
 569 #   infodir
 570 #   htmldir
 571 #   ETC_PERFCONFIG (but not sysconfdir)
 572 # can be specified as a relative path some/where/else;
 573 # this is interpreted as relative to $(prefix) and "perf" at
 574 # runtime figures out where they are based on the path to the executable.
 575 # This can help installing the suite in a relocatable way.
 576
 577 # Make the path relative to DESTDIR, not to prefix
 578 ifndef DESTDIR
 579 prefix = $(HOME)
 580 endif
 581 bindir_relative = bin
 582 bindir = $(prefix)/$(bindir_relative)
 583 mandir = share/man
 584 infodir = share/info
 585 perfexecdir = libexec/perf-core
 586 sharedir = $(prefix)/share
 587 template_dir = share/perf-core/templates
 588 htmldir = share/doc/perf-doc
 589 ifeq ($(prefix),/usr)
 590 sysconfdir = /etc
 591 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
 592 else
 593 sysconfdir = $(prefix)/etc
 594 ETC_PERFCONFIG = etc/perfconfig
 595 endif
 596 ifeq ($(IS_X86_64),1)
 597 lib = lib64
 598 else
 599 lib = lib
 600 endif
 601 libdir = $(prefix)/$(lib)
 602
 603 # Shell quote (do not use $(call) to accommodate ancient setups);
 604 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
 605 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
 606 bindir_SQ = $(subst ','\'',$(bindir))
 607 mandir_SQ = $(subst ','\'',$(mandir))
 608 infodir_SQ = $(subst ','\'',$(infodir))
 609 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
 610 template_dir_SQ = $(subst ','\'',$(template_dir))
 611 htmldir_SQ = $(subst ','\'',$(htmldir))
 612 prefix_SQ = $(subst ','\'',$(prefix))
 613 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
 614 libdir_SQ = $(subst ','\'',$(libdir))
 615
 616 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
 617 perfexec_instdir = $(perfexecdir)
 618 else
 619 perfexec_instdir = $(prefix)/$(perfexecdir)
 620 endif
 621 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
 622
 623 # If we install to $(HOME) we keep the traceevent default:
 624 # $(HOME)/.traceevent/plugins
 625 # Otherwise we install plugins into the global $(libdir).
 626 ifdef DESTDIR
 627 plugindir=$(libdir)/traceevent/plugins
 628 plugindir_SQ= $(subst ','\'',$(plugindir))
 629 endif
 630
 631 #
 632 # Print the result of the feature test:
 633 #
 634 feature_print_status = $(eval $(feature_print_status_code)) $(info $(MSG))
 635
 636 define feature_print_status_code
 637   ifeq ($(feature-$(1)), 1)
 638     MSG = $(shell printf '...%30s: [ \033[32mon\033[m  ]' $(1))
 639   else
 640     MSG = $(shell printf '...%30s: [ \033[31mOFF\033[m ]' $(1))
 641   endif
 642 endef
 643
 644 feature_print_var = $(eval $(feature_print_var_code)) $(info $(MSG))
 645 define feature_print_var_code
 646     MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
 647 endef
 648
 649 feature_print_text = $(eval $(feature_print_text_code)) $(info $(MSG))
 650 define feature_print_text_code
 651     MSG = $(shell printf '...%30s: %s' $(1) $(2))
 652 endef
 653
 654 PERF_FEATURES := $(foreach feat,$(LIB_FEATURE_TESTS),feature-$(feat)($(feature-$(feat))))
 655 PERF_FEATURES_FILE := $(shell touch $(OUTPUT)PERF-FEATURES; cat $(OUTPUT)PERF-FEATURES)
 656
 657 ifeq ($(dwarf-post-unwind),1)
 658   PERF_FEATURES += dwarf-post-unwind($(dwarf-post-unwind-text))
 659 endif
 660
 661 # The $(display_lib) controls the default detection message
 662 # output. It's set if:
 663 # - detected features differes from stored features from
 664 #   last build (in PERF-FEATURES file)
 665 # - one of the $(LIB_FEATURE_TESTS) is not detected
 666 # - VF is enabled
 667
 668 ifneq ("$(PERF_FEATURES)","$(PERF_FEATURES_FILE)")
 669   $(shell echo "$(PERF_FEATURES)" > $(OUTPUT)PERF-FEATURES)
 670   display_lib := 1
 671 endif
 672
 673 feature_check = $(eval $(feature_check_code))
 674 define feature_check_code
 675   ifneq ($(feature-$(1)), 1)
 676     display_lib := 1
 677   endif
 678 endef
 679
 680 $(foreach feat,$(LIB_FEATURE_TESTS),$(call feature_check,$(feat)))
 681
 682 ifeq ($(VF),1)
 683   display_lib := 1
 684   display_vf := 1
 685 endif
 686
 687 ifeq ($(display_lib),1)
 688   $(info )
 689   $(info Auto-detecting system features:)
 690   $(foreach feat,$(LIB_FEATURE_TESTS),$(call feature_print_status,$(feat),))
 691
 692   ifeq ($(dwarf-post-unwind),1)
 693     $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
 694   endif
 695 endif
 696
 697 ifeq ($(display_vf),1)
 698   $(foreach feat,$(VF_FEATURE_TESTS),$(call feature_print_status,$(feat),))
 699   $(info )
 700   $(call feature_print_var,prefix)
 701   $(call feature_print_var,bindir)
 702   $(call feature_print_var,libdir)
 703   $(call feature_print_var,sysconfdir)
 704   $(call feature_print_var,LIBUNWIND_DIR)
 705   $(call feature_print_var,LIBDW_DIR)
 706 endif
 707
 708 ifeq ($(display_lib),1)
 709   $(info )
 710 endif