1# SPDX-License-Identifier: GPL-2.0-only 2 3ifeq ($(src-perf),) 4src-perf := $(srctree)/tools/perf 5endif 6 7ifeq ($(obj-perf),) 8obj-perf := $(OUTPUT) 9endif 10 11ifneq ($(obj-perf),) 12obj-perf := $(abspath $(obj-perf))/ 13endif 14 15$(shell printf "" > $(OUTPUT).config-detected) 16detected = $(shell echo "$(1)=y" >> $(OUTPUT).config-detected) 17detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected) 18 19CFLAGS := $(EXTRA_CFLAGS) $(filter-out -Wnested-externs,$(EXTRA_WARNINGS)) 20HOSTCFLAGS := $(filter-out -Wnested-externs,$(EXTRA_WARNINGS)) 21 22# This is required because the kernel is built with this and some of the code 23# borrowed from kernel headers depends on it, e.g. put_unaligned_*(). 24CFLAGS += -fno-strict-aliasing 25 26# Enabled Wthread-safety analysis for clang builds. 27ifeq ($(CC_NO_CLANG), 0) 28 CFLAGS += -Wthread-safety 29endif 30 31include $(srctree)/tools/scripts/Makefile.arch 32 33$(call detected_var,SRCARCH) 34 35CFLAGS += -I$(OUTPUT)arch/$(SRCARCH)/include/generated 36CFLAGS += -I$(OUTPUT)libperf/arch/$(SRCARCH)/include/generated/uapi 37 38# Additional ARCH settings for ppc 39ifeq ($(SRCARCH),powerpc) 40 ifndef NO_LIBUNWIND 41 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64 42 endif 43endif 44 45# Additional ARCH settings for x86 46ifeq ($(SRCARCH),x86) 47 $(call detected,CONFIG_X86) 48 ifeq (${IS_64_BIT}, 1) 49 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT 50 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S 51 ifndef NO_LIBUNWIND 52 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma 53 endif 54 $(call detected,CONFIG_X86_64) 55 else 56 ifndef NO_LIBUNWIND 57 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind 58 endif 59 endif 60endif 61 62ifeq ($(SRCARCH),arm) 63 ifndef NO_LIBUNWIND 64 LIBUNWIND_LIBS = -lunwind -lunwind-arm 65 endif 66endif 67 68ifeq ($(SRCARCH),arm64) 69 ifndef NO_LIBUNWIND 70 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64 71 endif 72endif 73 74ifeq ($(SRCARCH),loongarch) 75 ifndef NO_LIBUNWIND 76 LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64 77 endif 78endif 79 80ifeq ($(ARCH),s390) 81 CFLAGS += -fPIC 82endif 83 84ifeq ($(ARCH),mips) 85 ifndef NO_LIBUNWIND 86 LIBUNWIND_LIBS = -lunwind -lunwind-mips 87 endif 88endif 89 90# So far there's only x86 and arm libdw unwind support merged in perf. 91# Disable it on all other architectures in case libdw unwind 92# support is detected in system. Add supported architectures 93# to the check. 94ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv loongarch)) 95 NO_LIBDW_DWARF_UNWIND := 1 96endif 97 98ifneq ($(LIBUNWIND),1) 99 NO_LIBUNWIND := 1 100endif 101 102ifeq ($(LIBUNWIND_LIBS),) 103 NO_LIBUNWIND := 1 104endif 105# 106# For linking with debug library, run like: 107# 108# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/ 109# 110 111libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code)) 112define libunwind_arch_set_flags_code 113 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include 114 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib 115endef 116 117ifdef LIBUNWIND_DIR 118 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include 119 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib 120 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64 loongarch 121 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch))) 122endif 123 124ifndef NO_LIBUNWIND 125 # Set per-feature check compilation flags 126 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS) 127 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 128 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS) 129 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 130 131 FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm 132 FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64 133 FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86 134 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64 135endif 136 137ifdef CSINCLUDES 138 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES) 139endif 140OPENCSDLIBS := -lopencsd_c_api -lopencsd 141ifeq ($(findstring -static,${LDFLAGS}),-static) 142 OPENCSDLIBS += -lstdc++ 143endif 144ifdef CSLIBS 145 LIBOPENCSD_LDFLAGS := -L$(CSLIBS) 146endif 147FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS) 148FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS) 149 150# for linking with debug library, run like: 151# make DEBUG=1 LIBDW_DIR=/opt/libdw/ 152ifdef LIBDW_DIR 153 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include 154 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib 155endif 156DWARFLIBS := -ldw 157ifeq ($(findstring -static,${LDFLAGS}),-static) 158 DWARFLIBS += -lelf -lz -llzma -lbz2 159 160 LIBDW_VERSION := $(shell $(PKG_CONFIG) --modversion libdw).0.0 161 LIBDW_VERSION_1 := $(word 1, $(subst ., ,$(LIBDW_VERSION))) 162 LIBDW_VERSION_2 := $(word 2, $(subst ., ,$(LIBDW_VERSION))) 163 164 # Elfutils merged libebl.a into libdw.a starting from version 0.177, 165 # Link libebl.a only if libdw is older than this version. 166 ifeq ($(shell test $(LIBDW_VERSION_2) -lt 177; echo $$?),0) 167 DWARFLIBS += -lebl 168 endif 169 170 # Must put -ldl after -lebl for dependency 171 DWARFLIBS += -ldl 172endif 173FEATURE_CHECK_CFLAGS-libdw := $(LIBDW_CFLAGS) 174FEATURE_CHECK_LDFLAGS-libdw := $(LIBDW_LDFLAGS) $(DWARFLIBS) 175 176# for linking with debug library, run like: 177# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/ 178ifdef LIBBABELTRACE_DIR 179 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include 180 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib 181endif 182FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS) 183FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf 184 185# for linking with debug library, run like: 186# make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/ 187ifdef LIBCAPSTONE_DIR 188 LIBCAPSTONE_CFLAGS := -I$(LIBCAPSTONE_DIR)/include 189 LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/ 190endif 191FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPSTONE_CFLAGS) 192FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPSTONE_LDFLAGS) -lcapstone 193 194ifdef LIBZSTD_DIR 195 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib 196 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib 197endif 198FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS) 199FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS) 200 201# for linking with debug library, run like: 202# make DEBUG=1 PKG_CONFIG_PATH=/opt/libtraceevent/(lib|lib64)/pkgconfig 203 204ifneq ($(NO_LIBTRACEEVENT),1) 205 ifeq ($(call get-executable,$(PKG_CONFIG)),) 206 $(error Error: $(PKG_CONFIG) needed by libtraceevent is missing on this system, please install it) 207 endif 208endif 209 210FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi 211# include ARCH specific config 212-include $(src-perf)/arch/$(SRCARCH)/Makefile 213 214include $(srctree)/tools/scripts/utilities.mak 215 216ifeq ($(call get-executable,$(FLEX)),) 217 $(error Error: $(FLEX) is missing on this system, please install it) 218endif 219 220ifeq ($(call get-executable,$(BISON)),) 221 $(error Error: $(BISON) is missing on this system, please install it) 222endif 223 224ifneq ($(OUTPUT),) 225 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1) 226 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)= 227 endif 228endif 229 230# Treat warnings as errors unless directed not to 231ifneq ($(WERROR),0) 232 CORE_CFLAGS += -Werror 233 CXXFLAGS += -Werror 234 HOSTCFLAGS += -Werror 235endif 236 237ifndef DEBUG 238 DEBUG := 0 239endif 240 241ifeq ($(DEBUG),0) 242CORE_CFLAGS += -DNDEBUG=1 243CORE_CFLAGS += -O3 244else 245 CORE_CFLAGS += -g 246 CXXFLAGS += -g 247endif 248 249ifdef PARSER_DEBUG 250 PARSER_DEBUG_BISON := -t 251 PARSER_DEBUG_FLEX := -d 252 CFLAGS += -DPARSER_DEBUG 253 $(call detected_var,PARSER_DEBUG_BISON) 254 $(call detected_var,PARSER_DEBUG_FLEX) 255endif 256 257ifdef LTO 258 CORE_CFLAGS += -flto 259 CXXFLAGS += -flto 260endif 261 262# Try different combinations to accommodate systems that only have 263# python[2][3]-config in weird combinations in the following order of 264# priority from lowest to highest: 265# * python2-config as per pep-0394. 266# * python-config 267# * python3-config 268# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't) 269# 270PYTHON_AUTO := python-config 271PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO)) 272PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO)) 273PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO)) 274 275# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user 276# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist. 277ifdef PYTHON 278 ifndef PYTHON_CONFIG 279 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config) 280 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\ 281 $(call $(error $(PYTHON)-config not found))) 282 endif 283endif 284 285# Select either auto detected python and python-config or use user supplied values if they are 286# defined. get-executable-or-default fails with an error if the first argument is supplied but 287# doesn't exist. 288override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO)) 289override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG))) 290 291grep-libs = $(filter -l%,$(1)) 292strip-libs = $(filter-out -l%,$(1)) 293 294PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG)) 295 296# Python 3.8 changed the output of `python-config --ldflags` to not include the 297# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for 298# libpython fails if that flag is not included in LDFLAGS 299ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0) 300 PYTHON_CONFIG_LDFLAGS := --ldflags --embed 301else 302 PYTHON_CONFIG_LDFLAGS := --ldflags 303endif 304 305ifdef PYTHON_CONFIG 306 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null) 307 # Update the python flags for cross compilation 308 ifdef CROSS_COMPILE 309 PYTHON_NATIVE := $(shell echo $(PYTHON_EMBED_LDOPTS) | sed 's/\(-L.*\/\)\(.*-linux-gnu\).*/\2/') 310 PYTHON_EMBED_LDOPTS := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EMBED_LDOPTS)) 311 endif 312 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS)) 313 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil 314 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null) 315 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS) 316 ifeq ($(CC_NO_CLANG), 0) 317 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS)) 318 endif 319endif 320 321FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS) 322FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS) 323 324FEATURE_CHECK_LDFLAGS-libaio = -lrt 325 326FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl 327FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl 328 329CORE_CFLAGS += -fno-omit-frame-pointer 330CORE_CFLAGS += -Wall 331CORE_CFLAGS += -Wextra 332CORE_CFLAGS += -std=gnu11 333 334CXXFLAGS += -std=gnu++17 -fno-exceptions -fno-rtti 335CXXFLAGS += -Wall 336CXXFLAGS += -Wextra 337CXXFLAGS += -fno-omit-frame-pointer 338 339HOSTCFLAGS += -Wall 340HOSTCFLAGS += -Wextra 341 342# Enforce a non-executable stack, as we may regress (again) in the future by 343# adding assembler files missing the .GNU-stack linker note. 344LDFLAGS += -Wl,-z,noexecstack 345 346EXTLIBS = -lpthread -lrt -lm -ldl 347 348ifneq ($(TCMALLOC),) 349 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free 350 EXTLIBS += -ltcmalloc 351endif 352 353ifeq ($(FEATURES_DUMP),) 354# We will display at the end of this Makefile.config, using $(call feature_display_entries) 355# As we may retry some feature detection here, see the disassembler-four-args case, for instance 356 FEATURE_DISPLAY_DEFERRED := 1 357include $(srctree)/tools/build/Makefile.feature 358else 359include $(FEATURES_DUMP) 360endif 361 362ifeq ($(feature-stackprotector-all), 1) 363 CORE_CFLAGS += -fstack-protector-all 364endif 365 366ifeq ($(DEBUG),0) 367 ifeq ($(feature-fortify-source), 1) 368 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 369 endif 370endif 371 372INC_FLAGS += -I$(src-perf)/util/include 373INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include 374INC_FLAGS += -I$(srctree)/tools/include/ 375INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi 376INC_FLAGS += -I$(srctree)/tools/include/uapi 377INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/ 378INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/ 379 380# $(obj-perf) for generated common-cmds.h 381# $(obj-perf)/util for generated bison/flex headers 382ifneq ($(OUTPUT),) 383INC_FLAGS += -I$(obj-perf)/util 384INC_FLAGS += -I$(obj-perf) 385endif 386 387INC_FLAGS += -I$(src-perf)/util 388INC_FLAGS += -I$(src-perf) 389 390CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE 391 392CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS) 393CXXFLAGS += $(INC_FLAGS) 394 395LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS) 396 397ifeq ($(feature-pthread-attr-setaffinity-np), 1) 398 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP 399endif 400 401ifeq ($(feature-pthread-barrier), 1) 402 CFLAGS += -DHAVE_PTHREAD_BARRIER 403endif 404 405ifndef NO_BIONIC 406 $(call feature_check,bionic) 407 ifeq ($(feature-bionic), 1) 408 BIONIC := 1 409 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE 410 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE 411 EXTLIBS := $(filter-out -lrt,$(EXTLIBS)) 412 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS)) 413 endif 414endif 415 416ifeq ($(feature-eventfd), 1) 417 CFLAGS += -DHAVE_EVENTFD_SUPPORT 418endif 419 420ifeq ($(feature-gettid), 1) 421 CFLAGS += -DHAVE_GETTID 422endif 423 424ifeq ($(feature-file-handle), 1) 425 CFLAGS += -DHAVE_FILE_HANDLE 426endif 427 428ifdef NO_LIBELF 429 NO_LIBDW := 1 430 NO_LIBUNWIND := 1 431 NO_LIBDW_DWARF_UNWIND := 1 432 NO_LIBBPF := 1 433 NO_JVMTI := 1 434else 435 ifeq ($(feature-libelf), 0) 436 ifeq ($(feature-glibc), 1) 437 LIBC_SUPPORT := 1 438 endif 439 ifeq ($(BIONIC),1) 440 LIBC_SUPPORT := 1 441 endif 442 ifeq ($(LIBC_SUPPORT),1) 443 $(error ERROR: No libelf found. Disables 'probe' tool, jvmti and BPF support. Please install libelf-dev, libelf-devel, elfutils-libelf-devel or build with NO_LIBELF=1.) 444 else 445 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),) 446 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0) 447 $(error No libasan found, please install libasan) 448 endif 449 endif 450 451 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),) 452 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0) 453 $(error No libubsan found, please install libubsan) 454 endif 455 endif 456 457 ifneq ($(filter s% -static%,$(LDFLAGS),),) 458 $(error No static glibc found, please install glibc-static) 459 else 460 $(error No gnu/libc-version.h found, please install glibc-dev[el]) 461 endif 462 endif 463 else 464 ifneq ($(feature-libdw), 1) 465 ifndef NO_LIBDW 466 $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.157, disables dwarf support. Please install new elfutils-devel/libdw-dev) 467 NO_LIBDW := 1 468 endif 469 endif # Dwarf support 470 endif # libelf support 471endif # NO_LIBELF 472 473ifeq ($(feature-libaio), 1) 474 ifndef NO_AIO 475 CFLAGS += -DHAVE_AIO_SUPPORT 476 endif 477endif 478 479ifdef NO_LIBDW 480 NO_LIBDW_DWARF_UNWIND := 1 481endif 482 483ifeq ($(feature-scandirat), 1) 484 # Ignore having scandirat with memory sanitizer that lacks an interceptor. 485 ifeq ($(filter s% -fsanitize=memory%,$(EXTRA_CFLAGS),),) 486 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT 487 endif 488endif 489 490ifeq ($(feature-sched_getcpu), 1) 491 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT 492endif 493 494ifeq ($(feature-setns), 1) 495 CFLAGS += -DHAVE_SETNS_SUPPORT 496 $(call detected,CONFIG_SETNS) 497endif 498 499ifeq ($(feature-reallocarray), 0) 500 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 501endif 502 503ifdef CORESIGHT 504 $(call feature_check,libopencsd) 505 ifeq ($(feature-libopencsd), 1) 506 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS) 507 LDFLAGS += $(LIBOPENCSD_LDFLAGS) 508 EXTLIBS += $(OPENCSDLIBS) 509 $(call detected,CONFIG_LIBOPENCSD) 510 ifdef CSTRACE_RAW 511 CFLAGS += -DCS_DEBUG_RAW 512 ifeq (${CSTRACE_RAW}, packed) 513 CFLAGS += -DCS_RAW_PACKED 514 endif 515 endif 516 else 517 $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1) 518 endif 519endif 520 521ifndef NO_ZLIB 522 ifeq ($(feature-zlib), 1) 523 CFLAGS += -DHAVE_ZLIB_SUPPORT 524 EXTLIBS += -lz 525 $(call detected,CONFIG_ZLIB) 526 else 527 NO_ZLIB := 1 528 endif 529endif 530 531ifndef NO_LIBELF 532 CFLAGS += -DHAVE_LIBELF_SUPPORT 533 EXTLIBS += -lelf 534 $(call detected,CONFIG_LIBELF) 535 536 ifeq ($(feature-libelf-getphdrnum), 1) 537 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT 538 endif 539 540 ifeq ($(feature-libelf-gelf_getnote), 1) 541 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT 542 else 543 $(warning gelf_getnote() not found on libelf, SDT support disabled) 544 endif 545 546 ifeq ($(feature-libelf-getshdrstrndx), 1) 547 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT 548 endif 549 550 ifeq ($(feature-libelf-zstd), 1) 551 ifdef NO_LIBZSTD 552 $(error Error: libzstd is required by libelf, please do not set NO_LIBZSTD) 553 endif 554 endif 555 556 ifndef NO_LIBDEBUGINFOD 557 $(call feature_check,libdebuginfod) 558 ifeq ($(feature-libdebuginfod), 1) 559 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT 560 EXTLIBS += -ldebuginfod 561 else 562 $(warning No elfutils/debuginfod.h found, no debuginfo server support, please install libdebuginfod-dev/elfutils-debuginfod-client-devel or equivalent) 563 endif 564 endif 565 566 ifndef NO_LIBDW 567 CFLAGS += -DHAVE_LIBDW_SUPPORT $(LIBDW_CFLAGS) 568 LDFLAGS += $(LIBDW_LDFLAGS) 569 EXTLIBS += ${DWARFLIBS} 570 $(call detected,CONFIG_LIBDW) 571 endif # NO_LIBDW 572 573 ifndef NO_LIBBPF 574 ifeq ($(feature-bpf), 1) 575 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status 576 $(call feature_check,libbpf) 577 578 ifdef LIBBPF_DYNAMIC 579 ifeq ($(feature-libbpf), 1) 580 EXTLIBS += -lbpf 581 CFLAGS += -DHAVE_LIBBPF_SUPPORT 582 $(call detected,CONFIG_LIBBPF) 583 $(call detected,CONFIG_LIBBPF_DYNAMIC) 584 else 585 $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel) 586 endif 587 else 588 ifeq ($(NO_ZLIB), 1) 589 $(warning Warning: Statically building libbpf not possible as zlib is missing) 590 NO_LIBBPF := 1 591 else 592 # Libbpf will be built as a static library from tools/lib/bpf. 593 LIBBPF_STATIC := 1 594 $(call detected,CONFIG_LIBBPF) 595 CFLAGS += -DHAVE_LIBBPF_SUPPORT 596 LIBBPF_INCLUDE = $(LIBBPF_DIR)/.. 597 endif 598 endif 599 endif 600 endif # NO_LIBBPF 601endif # NO_LIBELF 602 603ifndef NO_SDT 604 ifneq ($(feature-sdt), 1) 605 $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev) 606 NO_SDT := 1; 607 else 608 CFLAGS += -DHAVE_SDT_EVENT 609 $(call detected,CONFIG_SDT_EVENT) 610 endif 611endif 612 613ifdef PERF_HAVE_JITDUMP 614 ifndef NO_LIBELF 615 $(call detected,CONFIG_JITDUMP) 616 CFLAGS += -DHAVE_JITDUMP 617 endif 618endif 619 620ifeq ($(SRCARCH),powerpc) 621 ifndef NO_LIBDW 622 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX 623 endif 624endif 625 626ifndef NO_LIBUNWIND 627 have_libunwind := 628 629 $(call feature_check,libunwind) 630 631 $(call feature_check,libunwind-x86) 632 ifeq ($(feature-libunwind-x86), 1) 633 $(call detected,CONFIG_LIBUNWIND_X86) 634 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT 635 LDFLAGS += -lunwind-x86 636 EXTLIBS_LIBUNWIND += -lunwind-x86 637 have_libunwind = 1 638 endif 639 640 $(call feature_check,libunwind-aarch64) 641 ifeq ($(feature-libunwind-aarch64), 1) 642 $(call detected,CONFIG_LIBUNWIND_AARCH64) 643 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT 644 LDFLAGS += -lunwind-aarch64 645 EXTLIBS_LIBUNWIND += -lunwind-aarch64 646 have_libunwind = 1 647 $(call feature_check,libunwind-debug-frame-aarch64) 648 ifneq ($(feature-libunwind-debug-frame-aarch64), 1) 649 $(warning No debug_frame support found in libunwind-aarch64) 650 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64 651 endif 652 endif 653 654 ifneq ($(feature-libunwind), 1) 655 $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR and set LIBUNWIND=1 in the make command line as it is opt-in now) 656 NO_LOCAL_LIBUNWIND := 1 657 else 658 have_libunwind := 1 659 $(call detected,CONFIG_LOCAL_LIBUNWIND) 660 endif 661 662 ifneq ($(have_libunwind), 1) 663 NO_LIBUNWIND := 1 664 endif 665else 666 NO_LOCAL_LIBUNWIND := 1 667endif 668 669ifndef NO_LIBBPF 670 ifneq ($(feature-bpf), 1) 671 $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) 672 NO_LIBBPF := 1 673 endif 674endif 675 676ifndef BUILD_BPF_SKEL 677 # BPF skeletons control a large number of perf features, by default 678 # they are enabled. 679 BUILD_BPF_SKEL := 1 680endif 681 682ifeq ($(BUILD_BPF_SKEL),1) 683 ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),) 684 $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool) 685 BUILD_BPF_SKEL := 0 686 else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),) 687 $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool) 688 BUILD_BPF_SKEL := 0 689 else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) 690 $(warning Warning: Disabled BPF skeletons as libbpf is required) 691 BUILD_BPF_SKEL := 0 692 else ifeq ($(call get-executable,$(CLANG)),) 693 $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing) 694 BUILD_BPF_SKEL := 0 695 else 696 CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g') 697 ifeq ($(call version-lt3,$(CLANG_VERSION),12.0.1),1) 698 $(warning Warning: Disabled BPF skeletons as reliable BTF generation needs at least $(CLANG) version 12.0.1) 699 BUILD_BPF_SKEL := 0 700 endif 701 endif 702 ifeq ($(BUILD_BPF_SKEL),1) 703 $(call feature_check,clang-bpf-co-re) 704 ifeq ($(feature-clang-bpf-co-re), 0) 705 $(warning Warning: Disabled BPF skeletons as clang is too old) 706 BUILD_BPF_SKEL := 0 707 endif 708 endif 709 ifeq ($(BUILD_BPF_SKEL),1) 710 $(call detected,CONFIG_PERF_BPF_SKEL) 711 CFLAGS += -DHAVE_BPF_SKEL 712 endif 713endif 714 715ifndef GEN_VMLINUX_H 716 VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h 717endif 718 719dwarf-post-unwind := 1 720dwarf-post-unwind-text := BUG 721 722# setup DWARF post unwinder 723ifdef NO_LIBUNWIND 724 ifdef NO_LIBDW_DWARF_UNWIND 725 $(warning Disabling post unwind, no support found.) 726 dwarf-post-unwind := 0 727 else 728 dwarf-post-unwind-text := libdw 729 $(call detected,CONFIG_LIBDW_DWARF_UNWIND) 730 endif 731else 732 dwarf-post-unwind-text := libunwind 733 $(call detected,CONFIG_LIBUNWIND) 734 # Enable libunwind support by default. 735 ifndef NO_LIBDW_DWARF_UNWIND 736 NO_LIBDW_DWARF_UNWIND := 1 737 endif 738endif 739 740ifeq ($(dwarf-post-unwind),1) 741 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT 742 $(call detected,CONFIG_DWARF_UNWIND) 743endif 744 745ifndef NO_LIBUNWIND 746 ifndef NO_LOCAL_LIBUNWIND 747 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64)) 748 $(call feature_check,libunwind-debug-frame) 749 ifneq ($(feature-libunwind-debug-frame), 1) 750 $(warning No debug_frame support found in libunwind) 751 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 752 endif 753 else 754 # non-ARM has no dwarf_find_debug_frame() function: 755 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 756 endif 757 EXTLIBS += $(LIBUNWIND_LIBS) 758 LDFLAGS += $(LIBUNWIND_LIBS) 759 endif 760 ifeq ($(findstring -static,${LDFLAGS}),-static) 761 # gcc -static links libgcc_eh which contans piece of libunwind 762 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition 763 endif 764 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT 765 CFLAGS += $(LIBUNWIND_CFLAGS) 766 LDFLAGS += $(LIBUNWIND_LDFLAGS) 767 EXTLIBS += $(EXTLIBS_LIBUNWIND) 768endif 769 770ifneq ($(NO_LIBTRACEEVENT),1) 771 $(call detected,CONFIG_TRACE) 772endif 773 774ifndef NO_SLANG 775 ifneq ($(feature-libslang), 1) 776 $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev) 777 NO_SLANG := 1 778 endif 779 ifndef NO_SLANG 780 CFLAGS += -DHAVE_SLANG_SUPPORT 781 EXTLIBS += -lslang 782 $(call detected,CONFIG_SLANG) 783 endif 784endif 785 786ifdef GTK2 787 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) 788 $(call feature_check,gtk2) 789 ifneq ($(feature-gtk2), 1) 790 $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev) 791 NO_GTK2 := 1 792 else 793 $(call feature_check,gtk2-infobar) 794 ifeq ($(feature-gtk2-infobar), 1) 795 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT 796 endif 797 CFLAGS += -DHAVE_GTK2_SUPPORT 798 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) 799 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) 800 EXTLIBS += -ldl 801 endif 802endif 803 804ifdef LIBPERL 805 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) 806 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) 807 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) 808 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) 809 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) 810 PERL_EMBED_CCOPTS := $(filter-out -flto% -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) 811 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 812 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) 813 814 $(call feature_check,libperl) 815 ifneq ($(feature-libperl), 1) 816 $(error Missing perl devel files. Please install perl-ExtUtils-Embed/libperl-dev) 817 else 818 LDFLAGS += $(PERL_EMBED_LDFLAGS) 819 EXTLIBS += $(PERL_EMBED_LIBADD) 820 CFLAGS += -DHAVE_LIBPERL_SUPPORT 821 $(call detected,CONFIG_LIBPERL) 822 endif 823endif 824 825ifeq ($(feature-timerfd), 1) 826 CFLAGS += -DHAVE_TIMERFD_SUPPORT 827else 828 $(warning No timerfd support. Disables 'perf kvm stat live') 829endif 830 831disable-python = $(eval $(disable-python_code)) 832define disable-python_code 833 CFLAGS += -DNO_LIBPYTHON 834 $(warning $1) 835 NO_LIBPYTHON := 1 836endef 837 838PYTHON_EXTENSION_SUFFIX := '.so' 839ifdef NO_LIBPYTHON 840 $(call disable-python,Python support disabled by user) 841else 842 843 ifndef PYTHON 844 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev) 845 else 846 PYTHON_WORD := $(call shell-wordify,$(PYTHON)) 847 848 ifndef PYTHON_CONFIG 849 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) 850 else 851 852 ifneq ($(feature-libpython), 1) 853 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev) 854 else 855 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 856 EXTLIBS += $(PYTHON_EMBED_LIBADD) 857 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no") 858 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes) 859 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])') 860 ifdef CROSS_COMPILE 861 PYTHON_EXTENSION_SUFFIX := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EXTENSION_SUFFIX)) 862 endif 863 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX) 864 else 865 $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent) 866 endif 867 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT 868 $(call detected,CONFIG_LIBPYTHON) 869 ifeq ($(filter -fPIC,$(CFLAGS)),) 870 # Building a shared library requires position independent code. 871 CFLAGS += -fPIC 872 CXXFLAGS += -fPIC 873 endif 874 endif 875 endif 876 endif 877endif 878 879ifneq ($(NO_JEVENTS),1) 880 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),) 881 NO_JEVENTS := 1 882 endif 883endif 884ifneq ($(NO_JEVENTS),1) 885 NO_JEVENTS := 0 886 ifndef PYTHON 887 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.) 888 else 889 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016. 890 JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null) 891 ifneq ($(JEVENTS_PYTHON_GOOD), 1) 892 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.) 893 endif 894 endif 895endif 896 897ifdef BUILD_NONDISTRO 898 $(call feature_check,libbfd) 899 900 ifeq ($(feature-libbfd), 1) 901 EXTLIBS += -lbfd -lopcodes 902 else 903 # we are on a system that requires -liberty and (maybe) -lz 904 # to link against -lbfd; test each case individually here 905 906 # call all detections now so we get correct 907 # status in VF output 908 $(call feature_check,libbfd-liberty) 909 $(call feature_check,libbfd-liberty-z) 910 911 ifeq ($(feature-libbfd-liberty), 1) 912 EXTLIBS += -lbfd -lopcodes -liberty 913 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl 914 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl 915 else 916 ifeq ($(feature-libbfd-liberty-z), 1) 917 EXTLIBS += -lbfd -lopcodes -liberty -lz 918 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl 919 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl 920 endif 921 endif 922 $(call feature_check,disassembler-four-args) 923 $(call feature_check,disassembler-init-styled) 924 endif 925 926 CFLAGS += -DHAVE_LIBBFD_SUPPORT 927 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT 928 $(call detected,CONFIG_LIBBFD) 929 930 $(call feature_check,libbfd-buildid) 931 932 ifeq ($(feature-libbfd-buildid), 1) 933 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT 934 else 935 $(warning Old version of libbfd/binutils things like PE executable profiling will not be available) 936 endif 937 938 ifeq ($(feature-disassembler-four-args), 1) 939 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 940 endif 941 942 ifeq ($(feature-disassembler-init-styled), 1) 943 CFLAGS += -DDISASM_INIT_STYLED 944 endif 945endif 946 947ifndef NO_LIBLLVM 948 $(call feature_check,llvm-perf) 949 ifeq ($(feature-llvm-perf), 1) 950 CFLAGS += -DHAVE_LIBLLVM_SUPPORT 951 CFLAGS += $(shell $(LLVM_CONFIG) --cflags) 952 CXXFLAGS += -DHAVE_LIBLLVM_SUPPORT 953 CXXFLAGS += $(shell $(LLVM_CONFIG) --cxxflags) 954 LIBLLVM = $(shell $(LLVM_CONFIG) --libs all) $(shell $(LLVM_CONFIG) --system-libs) 955 EXTLIBS += -L$(shell $(LLVM_CONFIG) --libdir) $(LIBLLVM) 956 EXTLIBS += -lstdc++ 957 $(call detected,CONFIG_LIBLLVM) 958 else 959 $(warning No libllvm 13+ found, slower source file resolution, please install llvm-devel/llvm-dev) 960 NO_LIBLLVM := 1 961 endif 962endif 963 964ifndef NO_DEMANGLE 965 $(call feature_check,cxa-demangle) 966 ifeq ($(feature-cxa-demangle), 1) 967 EXTLIBS += -lstdc++ 968 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 969 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 970 $(call detected,CONFIG_CXX_DEMANGLE) 971 endif 972 ifdef BUILD_NONDISTRO 973 ifeq ($(filter -liberty,$(EXTLIBS)),) 974 $(call feature_check,cplus-demangle) 975 ifeq ($(feature-cplus-demangle), 1) 976 EXTLIBS += -liberty 977 endif 978 endif 979 ifneq ($(filter -liberty,$(EXTLIBS)),) 980 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 981 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 982 endif 983 endif 984endif 985 986ifndef NO_LZMA 987 ifeq ($(feature-lzma), 1) 988 CFLAGS += -DHAVE_LZMA_SUPPORT 989 EXTLIBS += -llzma 990 $(call detected,CONFIG_LZMA) 991 else 992 $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev) 993 NO_LZMA := 1 994 endif 995endif 996 997ifndef NO_LIBZSTD 998 ifeq ($(feature-libzstd), 1) 999 CFLAGS += -DHAVE_ZSTD_SUPPORT 1000 CFLAGS += $(LIBZSTD_CFLAGS) 1001 LDFLAGS += $(LIBZSTD_LDFLAGS) 1002 EXTLIBS += -lzstd 1003 $(call detected,CONFIG_ZSTD) 1004 else 1005 $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR) 1006 NO_LIBZSTD := 1 1007 endif 1008endif 1009 1010ifndef NO_BACKTRACE 1011 ifeq ($(feature-backtrace), 1) 1012 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 1013 endif 1014endif 1015 1016ifndef NO_LIBNUMA 1017 ifeq ($(feature-libnuma), 0) 1018 $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev) 1019 NO_LIBNUMA := 1 1020 else 1021 ifeq ($(feature-numa_num_possible_cpus), 0) 1022 $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8) 1023 NO_LIBNUMA := 1 1024 else 1025 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 1026 EXTLIBS += -lnuma 1027 $(call detected,CONFIG_NUMA) 1028 endif 1029 endif 1030endif 1031 1032ifdef HAVE_KVM_STAT_SUPPORT 1033 CFLAGS += -DHAVE_KVM_STAT_SUPPORT 1034endif 1035 1036ifeq (${IS_64_BIT}, 1) 1037 ifndef NO_PERF_READ_VDSO32 1038 $(call feature_check,compile-32) 1039 ifeq ($(feature-compile-32), 1) 1040 CFLAGS += -DHAVE_PERF_READ_VDSO32 1041 else 1042 NO_PERF_READ_VDSO32 := 1 1043 endif 1044 endif 1045 ifneq ($(SRCARCH), x86) 1046 NO_PERF_READ_VDSOX32 := 1 1047 endif 1048 ifndef NO_PERF_READ_VDSOX32 1049 $(call feature_check,compile-x32) 1050 ifeq ($(feature-compile-x32), 1) 1051 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1052 else 1053 NO_PERF_READ_VDSOX32 := 1 1054 endif 1055 endif 1056else 1057 NO_PERF_READ_VDSO32 := 1 1058 NO_PERF_READ_VDSOX32 := 1 1059endif 1060 1061ifndef NO_LIBBABELTRACE 1062 $(call feature_check,libbabeltrace) 1063 ifeq ($(feature-libbabeltrace), 1) 1064 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS) 1065 LDFLAGS += $(LIBBABELTRACE_LDFLAGS) 1066 EXTLIBS += -lbabeltrace-ctf 1067 $(call detected,CONFIG_LIBBABELTRACE) 1068 else 1069 $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev) 1070 endif 1071endif 1072 1073ifndef NO_CAPSTONE 1074 $(call feature_check,libcapstone) 1075 ifeq ($(feature-libcapstone), 1) 1076 CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LIBCAPSTONE_CFLAGS) 1077 LDFLAGS += $(LICAPSTONE_LDFLAGS) 1078 EXTLIBS += -lcapstone 1079 $(call detected,CONFIG_LIBCAPSTONE) 1080 else 1081 msg := $(warning No libcapstone found, disables disasm engine support for 'perf script', please install libcapstone-dev/capstone-devel); 1082 endif 1083endif 1084 1085ifndef NO_AUXTRACE 1086 ifeq ($(SRCARCH),x86) 1087 ifeq ($(feature-get_cpuid), 0) 1088 $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc) 1089 NO_AUXTRACE := 1 1090 endif 1091 endif 1092 ifndef NO_AUXTRACE 1093 $(call detected,CONFIG_AUXTRACE) 1094 CFLAGS += -DHAVE_AUXTRACE_SUPPORT 1095 endif 1096endif 1097 1098ifdef EXTRA_TESTS 1099 $(call detected,CONFIG_EXTRA_TESTS) 1100 CFLAGS += -DHAVE_EXTRA_TESTS 1101endif 1102 1103ifndef NO_JVMTI 1104 ifneq (,$(wildcard /usr/sbin/update-java-alternatives)) 1105 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}') 1106 else 1107 ifneq (,$(wildcard /usr/sbin/alternatives)) 1108 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g') 1109 endif 1110 endif 1111 ifndef JDIR 1112 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory) 1113 NO_JVMTI := 1 1114 endif 1115endif 1116 1117ifndef NO_JVMTI 1118 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux 1119 $(call feature_check,jvmti) 1120 ifeq ($(feature-jvmti), 1) 1121 $(call detected_var,JDIR) 1122 ifndef NO_JVMTI_CMLR 1123 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti) 1124 $(call feature_check,jvmti-cmlr) 1125 ifeq ($(feature-jvmti-cmlr), 1) 1126 CFLAGS += -DHAVE_JVMTI_CMLR 1127 endif 1128 endif # NO_JVMTI_CMLR 1129 else 1130 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-latest-openjdk-devel) 1131 NO_JVMTI := 1 1132 endif 1133endif 1134 1135ifndef NO_LIBPFM4 1136 $(call feature_check,libpfm4) 1137 ifeq ($(feature-libpfm4), 1) 1138 CFLAGS += -DHAVE_LIBPFM 1139 EXTLIBS += -lpfm 1140 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 1141 $(call detected,CONFIG_LIBPFM4) 1142 else 1143 $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm-devel or libpfm4-dev) 1144 endif 1145endif 1146 1147# libtraceevent is a recommended dependency picked up from the system. 1148ifneq ($(NO_LIBTRACEEVENT),1) 1149 ifeq ($(feature-libtraceevent), 1) 1150 CFLAGS += -DHAVE_LIBTRACEEVENT $(shell $(PKG_CONFIG) --cflags libtraceevent) 1151 LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtraceevent) 1152 EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtraceevent) 1153 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent).0.0 1154 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1155 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1156 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1157 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3)) 1158 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP) 1159 $(call detected,CONFIG_LIBTRACEEVENT) 1160 else 1161 $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel and/or set LIBTRACEEVENT_DIR or build with NO_LIBTRACEEVENT=1) 1162 endif 1163endif 1164 1165# Among the variables below, these: 1166# perfexecdir 1167# libbpf_include_dir 1168# perf_examples_dir 1169# template_dir 1170# mandir 1171# infodir 1172# htmldir 1173# ETC_PERFCONFIG (but not sysconfdir) 1174# can be specified as a relative path some/where/else; 1175# this is interpreted as relative to $(prefix) and "perf" at 1176# runtime figures out where they are based on the path to the executable. 1177# This can help installing the suite in a relocatable way. 1178 1179# Make the path relative to DESTDIR, not to prefix 1180ifndef DESTDIR 1181prefix ?= $(HOME) 1182endif 1183bindir_relative = bin 1184bindir = $(abspath $(prefix)/$(bindir_relative)) 1185includedir_relative = include 1186includedir = $(abspath $(prefix)/$(includedir_relative)) 1187mandir = share/man 1188infodir = share/info 1189perfexecdir = libexec/perf-core 1190# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance 1191libbpf_include_dir = /usr/include 1192perf_examples_dir = lib/perf/examples 1193sharedir = $(prefix)/share 1194template_dir = share/perf-core/templates 1195STRACE_GROUPS_DIR = share/perf-core/strace/groups 1196htmldir = share/doc/perf-doc 1197tipdir = share/doc/perf-tip 1198srcdir = $(srctree)/tools/perf 1199ifeq ($(prefix),/usr) 1200sysconfdir = /etc 1201ETC_PERFCONFIG = $(sysconfdir)/perfconfig 1202else 1203sysconfdir = $(prefix)/etc 1204ETC_PERFCONFIG = etc/perfconfig 1205endif 1206ifndef lib 1207ifeq ($(SRCARCH)$(IS_64_BIT), x861) 1208lib = lib64 1209else 1210lib = lib 1211endif 1212endif # lib 1213libdir = $(prefix)/$(lib) 1214 1215# Shell quote (do not use $(call) to accommodate ancient setups); 1216ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) 1217STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR)) 1218DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) 1219bindir_SQ = $(subst ','\'',$(bindir)) 1220includedir_SQ = $(subst ','\'',$(includedir)) 1221mandir_SQ = $(subst ','\'',$(mandir)) 1222infodir_SQ = $(subst ','\'',$(infodir)) 1223perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) 1224libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir)) 1225perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir)) 1226template_dir_SQ = $(subst ','\'',$(template_dir)) 1227htmldir_SQ = $(subst ','\'',$(htmldir)) 1228tipdir_SQ = $(subst ','\'',$(tipdir)) 1229prefix_SQ = $(subst ','\'',$(prefix)) 1230sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) 1231libdir_SQ = $(subst ','\'',$(libdir)) 1232srcdir_SQ = $(subst ','\'',$(srcdir)) 1233 1234ifneq ($(filter /%,$(firstword $(perfexecdir))),) 1235perfexec_instdir = $(perfexecdir) 1236perf_include_instdir = $(libbpf_include_dir) 1237perf_examples_instdir = $(perf_examples_dir) 1238STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) 1239tip_instdir = $(tipdir) 1240else 1241perfexec_instdir = $(prefix)/$(perfexecdir) 1242perf_include_instdir = $(prefix)/$(libbpf_include_dir) 1243perf_examples_instdir = $(prefix)/$(perf_examples_dir) 1244STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) 1245tip_instdir = $(prefix)/$(tipdir) 1246endif 1247perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) 1248perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir)) 1249perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir)) 1250STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) 1251tip_instdir_SQ = $(subst ','\'',$(tip_instdir)) 1252 1253export perfexec_instdir_SQ 1254 1255print_var = $(eval $(print_var_code)) $(info $(MSG)) 1256define print_var_code 1257 MSG = $(shell printf '...%40s: %s' $(1) $($(1))) 1258endef 1259 1260ifeq ($(feature_display),1) 1261 $(call feature_display_entries) 1262endif 1263 1264ifeq ($(VF),1) 1265 # Display EXTRA features which are detected manualy 1266 # from here with feature_check call and thus cannot 1267 # be partof global state output. 1268 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG))) 1269 $(call print_var,prefix) 1270 $(call print_var,bindir) 1271 $(call print_var,libdir) 1272 $(call print_var,sysconfdir) 1273 $(call print_var,LIBUNWIND_DIR) 1274 $(call print_var,LIBDW_DIR) 1275 $(call print_var,JDIR) 1276 1277 ifeq ($(dwarf-post-unwind),1) 1278 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG)) 1279 endif 1280endif 1281 1282$(info ) 1283 1284$(call detected_var,bindir_SQ) 1285$(call detected_var,PYTHON_WORD) 1286ifneq ($(OUTPUT),) 1287$(call detected_var,OUTPUT) 1288endif 1289$(call detected_var,htmldir_SQ) 1290$(call detected_var,infodir_SQ) 1291$(call detected_var,mandir_SQ) 1292$(call detected_var,ETC_PERFCONFIG_SQ) 1293$(call detected_var,STRACE_GROUPS_DIR_SQ) 1294$(call detected_var,prefix_SQ) 1295$(call detected_var,perfexecdir_SQ) 1296$(call detected_var,libbpf_include_dir_SQ) 1297$(call detected_var,perf_examples_dir_SQ) 1298$(call detected_var,tipdir_SQ) 1299$(call detected_var,srcdir_SQ) 1300$(call detected_var,LIBDIR) 1301$(call detected_var,GTK_CFLAGS) 1302$(call detected_var,PERL_EMBED_CCOPTS) 1303$(call detected_var,PYTHON_EMBED_CCOPTS) 1304ifneq ($(BISON_FILE_PREFIX_MAP),) 1305$(call detected_var,BISON_FILE_PREFIX_MAP) 1306endif 1307 1308# re-generate FEATURE-DUMP as we may have called feature_check, found out 1309# extra libraries to add to LDFLAGS of some other test and then redo those 1310# tests, see the block about libbfd, disassembler-four-args, for instance. 1311$(shell rm -f $(FEATURE_DUMP_FILENAME)) 1312$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) 1313