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# Set target flag and options when using clang as compiler. 27ifeq ($(CC_NO_CLANG), 0) 28 CLANG_TARGET_FLAGS_arm := arm-linux-gnueabi 29 CLANG_TARGET_FLAGS_arm64 := aarch64-linux-gnu 30 CLANG_TARGET_FLAGS_m68k := m68k-linux-gnu 31 CLANG_TARGET_FLAGS_mips := mipsel-linux-gnu 32 CLANG_TARGET_FLAGS_powerpc := powerpc64le-linux-gnu 33 CLANG_TARGET_FLAGS_riscv := riscv64-linux-gnu 34 CLANG_TARGET_FLAGS_s390 := s390x-linux-gnu 35 CLANG_TARGET_FLAGS_x86 := x86_64-linux-gnu 36 CLANG_TARGET_FLAGS_x86_64 := x86_64-linux-gnu 37 38 # Default to host architecture if ARCH is not explicitly given. 39 ifeq ($(ARCH), $(HOSTARCH)) 40 CLANG_TARGET_FLAGS := $(shell $(CLANG) -print-target-triple) 41 else 42 CLANG_TARGET_FLAGS := $(CLANG_TARGET_FLAGS_$(ARCH)) 43 endif 44 45 ifeq ($(CROSS_COMPILE),) 46 ifeq ($(CLANG_TARGET_FLAGS),) 47 $(error Specify CROSS_COMPILE or add CLANG_TARGET_FLAGS for $(ARCH)) 48 else 49 CLANG_FLAGS += --target=$(CLANG_TARGET_FLAGS) 50 endif # CLANG_TARGET_FLAGS 51 else 52 CLANG_FLAGS += --target=$(notdir $(CROSS_COMPILE:%-=%)) 53 endif # CROSS_COMPILE 54 55 CC := $(CLANG) $(CLANG_FLAGS) -fintegrated-as 56 CXX := $(CXX) $(CLANG_FLAGS) -fintegrated-as 57 58 # Enabled Wthread-safety analysis for clang builds. 59 CFLAGS += -Wthread-safety 60endif 61 62include $(srctree)/tools/scripts/Makefile.arch 63 64$(call detected_var,SRCARCH) 65 66CFLAGS += -I$(OUTPUT)arch/$(SRCARCH)/include/generated 67CFLAGS += -I$(OUTPUT)libperf/arch/$(SRCARCH)/include/generated/uapi 68 69# Additional ARCH settings for ppc 70ifeq ($(SRCARCH),powerpc) 71 ifndef NO_LIBUNWIND 72 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64 73 endif 74endif 75 76# Additional ARCH settings for x86 77ifeq ($(SRCARCH),x86) 78 $(call detected,CONFIG_X86) 79 ifeq (${IS_64_BIT}, 1) 80 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT 81 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S 82 ifndef NO_LIBUNWIND 83 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma 84 endif 85 $(call detected,CONFIG_X86_64) 86 else 87 ifndef NO_LIBUNWIND 88 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind 89 endif 90 endif 91endif 92 93ifeq ($(SRCARCH),arm) 94 ifndef NO_LIBUNWIND 95 LIBUNWIND_LIBS = -lunwind -lunwind-arm 96 endif 97endif 98 99ifeq ($(SRCARCH),arm64) 100 ifndef NO_LIBUNWIND 101 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64 102 endif 103endif 104 105ifeq ($(SRCARCH),loongarch) 106 ifndef NO_LIBUNWIND 107 LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64 108 endif 109endif 110 111ifeq ($(ARCH),s390) 112 CFLAGS += -fPIC 113endif 114 115ifeq ($(ARCH),mips) 116 ifndef NO_LIBUNWIND 117 LIBUNWIND_LIBS = -lunwind -lunwind-mips 118 endif 119endif 120 121# So far there's only x86 and arm libdw unwind support merged in perf. 122# Disable it on all other architectures in case libdw unwind 123# support is detected in system. Add supported architectures 124# to the check. 125ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv loongarch)) 126 NO_LIBDW_DWARF_UNWIND := 1 127endif 128 129ifneq ($(LIBUNWIND),1) 130 NO_LIBUNWIND := 1 131endif 132 133ifeq ($(LIBUNWIND_LIBS),) 134 NO_LIBUNWIND := 1 135endif 136# 137# For linking with debug library, run like: 138# 139# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/ 140# 141 142libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code)) 143define libunwind_arch_set_flags_code 144 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include 145 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib 146endef 147 148ifdef LIBUNWIND_DIR 149 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include 150 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib 151 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64 loongarch 152 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch))) 153endif 154 155ifndef NO_LIBUNWIND 156 # Set per-feature check compilation flags 157 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS) 158 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 159 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS) 160 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 161 162 FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm 163 FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64 164 FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86 165 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64 166endif 167 168ifdef CSINCLUDES 169 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES) 170endif 171OPENCSDLIBS := -lopencsd_c_api -lopencsd 172ifeq ($(findstring -static,${LDFLAGS}),-static) 173 OPENCSDLIBS += -lstdc++ 174endif 175ifdef CSLIBS 176 LIBOPENCSD_LDFLAGS := -L$(CSLIBS) 177endif 178FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS) 179FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS) 180 181# for linking with debug library, run like: 182# make DEBUG=1 LIBDW_DIR=/opt/libdw/ 183ifdef LIBDW_DIR 184 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include 185 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib 186endif 187DWARFLIBS := -ldw 188ifeq ($(findstring -static,${LDFLAGS}),-static) 189 DWARFLIBS += -lelf -lz -llzma -lbz2 190 191 LIBDW_VERSION := $(shell $(PKG_CONFIG) --modversion libdw).0.0 192 LIBDW_VERSION_1 := $(word 1, $(subst ., ,$(LIBDW_VERSION))) 193 LIBDW_VERSION_2 := $(word 2, $(subst ., ,$(LIBDW_VERSION))) 194 195 # Elfutils merged libebl.a into libdw.a starting from version 0.177, 196 # Link libebl.a only if libdw is older than this version. 197 ifeq ($(shell test $(LIBDW_VERSION_2) -lt 177; echo $$?),0) 198 DWARFLIBS += -lebl 199 endif 200 201 # Must put -ldl after -lebl for dependency 202 DWARFLIBS += -ldl 203endif 204FEATURE_CHECK_CFLAGS-libdw := $(LIBDW_CFLAGS) 205FEATURE_CHECK_LDFLAGS-libdw := $(LIBDW_LDFLAGS) $(DWARFLIBS) 206 207# for linking with debug library, run like: 208# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/ 209ifdef LIBBABELTRACE_DIR 210 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include 211 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib 212endif 213FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS) 214FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf 215 216# for linking with debug library, run like: 217# make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/ 218ifdef LIBCAPSTONE_DIR 219 LIBCAPSTONE_CFLAGS := -I$(LIBCAPSTONE_DIR)/include 220 LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/ 221endif 222FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPSTONE_CFLAGS) 223FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPSTONE_LDFLAGS) -lcapstone 224 225ifdef LIBZSTD_DIR 226 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib 227 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib 228endif 229FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS) 230FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS) 231 232# for linking with debug library, run like: 233# make DEBUG=1 PKG_CONFIG_PATH=/opt/libtraceevent/(lib|lib64)/pkgconfig 234 235ifneq ($(NO_LIBTRACEEVENT),1) 236 ifeq ($(call get-executable,$(PKG_CONFIG)),) 237 $(error Error: $(PKG_CONFIG) needed by libtraceevent is missing on this system, please install it) 238 endif 239endif 240 241FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi 242# include ARCH specific config 243-include $(src-perf)/arch/$(SRCARCH)/Makefile 244 245include $(srctree)/tools/scripts/utilities.mak 246 247ifeq ($(call get-executable,$(FLEX)),) 248 $(error Error: $(FLEX) is missing on this system, please install it) 249endif 250 251ifeq ($(call get-executable,$(BISON)),) 252 $(error Error: $(BISON) is missing on this system, please install it) 253endif 254 255ifneq ($(OUTPUT),) 256 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1) 257 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)= 258 endif 259endif 260 261# Treat warnings as errors unless directed not to 262ifneq ($(WERROR),0) 263 CORE_CFLAGS += -Werror 264 CXXFLAGS += -Werror 265 HOSTCFLAGS += -Werror 266endif 267 268ifndef DEBUG 269 DEBUG := 0 270endif 271 272ifeq ($(DEBUG),0) 273CORE_CFLAGS += -DNDEBUG=1 274CORE_CFLAGS += -O3 275else 276 CORE_CFLAGS += -g 277 CXXFLAGS += -g 278endif 279 280ifdef PARSER_DEBUG 281 PARSER_DEBUG_BISON := -t 282 PARSER_DEBUG_FLEX := -d 283 CFLAGS += -DPARSER_DEBUG 284 $(call detected_var,PARSER_DEBUG_BISON) 285 $(call detected_var,PARSER_DEBUG_FLEX) 286endif 287 288ifdef LTO 289 CORE_CFLAGS += -flto 290 CXXFLAGS += -flto 291endif 292 293# Try different combinations to accommodate systems that only have 294# python[2][3]-config in weird combinations in the following order of 295# priority from lowest to highest: 296# * python2-config as per pep-0394. 297# * python-config 298# * python3-config 299# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't) 300# 301PYTHON_AUTO := python-config 302PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO)) 303PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO)) 304PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO)) 305 306# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user 307# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist. 308ifdef PYTHON 309 ifndef PYTHON_CONFIG 310 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config) 311 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\ 312 $(call $(error $(PYTHON)-config not found))) 313 endif 314endif 315 316# Select either auto detected python and python-config or use user supplied values if they are 317# defined. get-executable-or-default fails with an error if the first argument is supplied but 318# doesn't exist. 319override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO)) 320override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG))) 321 322grep-libs = $(filter -l%,$(1)) 323strip-libs = $(filter-out -l%,$(1)) 324 325PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG)) 326 327# Python 3.8 changed the output of `python-config --ldflags` to not include the 328# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for 329# libpython fails if that flag is not included in LDFLAGS 330ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0) 331 PYTHON_CONFIG_LDFLAGS := --ldflags --embed 332else 333 PYTHON_CONFIG_LDFLAGS := --ldflags 334endif 335 336ifdef PYTHON_CONFIG 337 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null) 338 # Update the python flags for cross compilation 339 ifdef CROSS_COMPILE 340 PYTHON_NATIVE := $(shell echo $(PYTHON_EMBED_LDOPTS) | sed 's/\(-L.*\/\)\(.*-linux-gnu\).*/\2/') 341 PYTHON_EMBED_LDOPTS := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EMBED_LDOPTS)) 342 endif 343 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS)) 344 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil 345 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null) 346 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS) 347 ifeq ($(CC_NO_CLANG), 0) 348 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS)) 349 endif 350endif 351 352FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS) 353FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS) 354 355FEATURE_CHECK_LDFLAGS-libaio = -lrt 356 357FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl 358FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl 359 360CORE_CFLAGS += -fno-omit-frame-pointer 361CORE_CFLAGS += -Wall 362CORE_CFLAGS += -Wextra 363CORE_CFLAGS += -std=gnu11 364 365CXXFLAGS += -std=gnu++17 -fno-exceptions -fno-rtti 366CXXFLAGS += -Wall 367CXXFLAGS += -Wextra 368CXXFLAGS += -fno-omit-frame-pointer 369 370HOSTCFLAGS += -Wall 371HOSTCFLAGS += -Wextra 372 373# Enforce a non-executable stack, as we may regress (again) in the future by 374# adding assembler files missing the .GNU-stack linker note. 375LDFLAGS += -Wl,-z,noexecstack 376 377EXTLIBS = -lpthread -lrt -lm -ldl 378 379ifneq ($(TCMALLOC),) 380 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free 381 EXTLIBS += -ltcmalloc 382endif 383 384ifeq ($(FEATURES_DUMP),) 385# We will display at the end of this Makefile.config, using $(call feature_display_entries) 386# As we may retry some feature detection here, see the disassembler-four-args case, for instance 387 FEATURE_DISPLAY_DEFERRED := 1 388include $(srctree)/tools/build/Makefile.feature 389else 390include $(FEATURES_DUMP) 391endif 392 393ifeq ($(feature-stackprotector-all), 1) 394 CORE_CFLAGS += -fstack-protector-all 395endif 396 397ifeq ($(DEBUG),0) 398 ifeq ($(feature-fortify-source), 1) 399 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 400 endif 401endif 402 403INC_FLAGS += -I$(src-perf)/util/include 404INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include 405INC_FLAGS += -I$(srctree)/tools/include/ 406INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi 407INC_FLAGS += -I$(srctree)/tools/include/uapi 408INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/ 409INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/ 410 411# $(obj-perf) for generated common-cmds.h 412# $(obj-perf)/util for generated bison/flex headers 413ifneq ($(OUTPUT),) 414INC_FLAGS += -I$(obj-perf)/util 415INC_FLAGS += -I$(obj-perf) 416endif 417 418INC_FLAGS += -I$(src-perf)/util 419INC_FLAGS += -I$(src-perf) 420 421CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE 422 423CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS) 424CXXFLAGS += $(INC_FLAGS) 425 426LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS) 427 428ifeq ($(feature-pthread-attr-setaffinity-np), 1) 429 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP 430endif 431 432ifeq ($(feature-pthread-barrier), 1) 433 CFLAGS += -DHAVE_PTHREAD_BARRIER 434endif 435 436ifndef NO_BIONIC 437 $(call feature_check,bionic) 438 ifeq ($(feature-bionic), 1) 439 BIONIC := 1 440 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE 441 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE 442 EXTLIBS := $(filter-out -lrt,$(EXTLIBS)) 443 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS)) 444 endif 445endif 446 447ifeq ($(feature-eventfd), 1) 448 CFLAGS += -DHAVE_EVENTFD_SUPPORT 449endif 450 451ifeq ($(feature-gettid), 1) 452 CFLAGS += -DHAVE_GETTID 453endif 454 455ifeq ($(feature-file-handle), 1) 456 CFLAGS += -DHAVE_FILE_HANDLE 457endif 458 459ifdef NO_LIBELF 460 NO_LIBDW := 1 461 NO_LIBUNWIND := 1 462 NO_LIBDW_DWARF_UNWIND := 1 463 NO_LIBBPF := 1 464 NO_JVMTI := 1 465else 466 ifeq ($(feature-libelf), 0) 467 ifeq ($(feature-glibc), 1) 468 LIBC_SUPPORT := 1 469 endif 470 ifeq ($(BIONIC),1) 471 LIBC_SUPPORT := 1 472 endif 473 ifeq ($(LIBC_SUPPORT),1) 474 $(error ERROR: No libelf found. Disables 'probe' tool, jvmti and BPF support. Please install libelf-dev, libelf-devel, elfutils-libelf-devel or build with NO_LIBELF=1.) 475 else 476 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),) 477 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0) 478 $(error No libasan found, please install libasan) 479 endif 480 endif 481 482 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),) 483 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0) 484 $(error No libubsan found, please install libubsan) 485 endif 486 endif 487 488 ifneq ($(filter s% -static%,$(LDFLAGS),),) 489 $(error No static glibc found, please install glibc-static) 490 else 491 $(error No gnu/libc-version.h found, please install glibc-dev[el]) 492 endif 493 endif 494 else 495 ifneq ($(feature-libdw), 1) 496 ifndef NO_LIBDW 497 $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.157, disables dwarf support. Please install new elfutils-devel/libdw-dev) 498 NO_LIBDW := 1 499 endif 500 endif # Dwarf support 501 endif # libelf support 502endif # NO_LIBELF 503 504ifeq ($(feature-libaio), 1) 505 ifndef NO_AIO 506 CFLAGS += -DHAVE_AIO_SUPPORT 507 endif 508endif 509 510ifdef NO_LIBDW 511 NO_LIBDW_DWARF_UNWIND := 1 512endif 513 514ifeq ($(feature-scandirat), 1) 515 # Ignore having scandirat with memory sanitizer that lacks an interceptor. 516 ifeq ($(filter s% -fsanitize=memory%,$(EXTRA_CFLAGS),),) 517 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT 518 endif 519endif 520 521ifeq ($(feature-sched_getcpu), 1) 522 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT 523endif 524 525ifeq ($(feature-setns), 1) 526 CFLAGS += -DHAVE_SETNS_SUPPORT 527 $(call detected,CONFIG_SETNS) 528endif 529 530ifeq ($(feature-reallocarray), 0) 531 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 532endif 533 534ifdef CORESIGHT 535 $(call feature_check,libopencsd) 536 ifeq ($(feature-libopencsd), 1) 537 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS) 538 LDFLAGS += $(LIBOPENCSD_LDFLAGS) 539 EXTLIBS += $(OPENCSDLIBS) 540 $(call detected,CONFIG_LIBOPENCSD) 541 ifdef CSTRACE_RAW 542 CFLAGS += -DCS_DEBUG_RAW 543 ifeq (${CSTRACE_RAW}, packed) 544 CFLAGS += -DCS_RAW_PACKED 545 endif 546 endif 547 else 548 $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1) 549 endif 550endif 551 552ifndef NO_ZLIB 553 ifeq ($(feature-zlib), 1) 554 CFLAGS += -DHAVE_ZLIB_SUPPORT 555 EXTLIBS += -lz 556 $(call detected,CONFIG_ZLIB) 557 else 558 NO_ZLIB := 1 559 endif 560endif 561 562ifndef NO_LIBELF 563 CFLAGS += -DHAVE_LIBELF_SUPPORT 564 EXTLIBS += -lelf 565 $(call detected,CONFIG_LIBELF) 566 567 ifeq ($(feature-libelf-getphdrnum), 1) 568 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT 569 endif 570 571 ifeq ($(feature-libelf-gelf_getnote), 1) 572 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT 573 else 574 $(warning gelf_getnote() not found on libelf, SDT support disabled) 575 endif 576 577 ifeq ($(feature-libelf-getshdrstrndx), 1) 578 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT 579 endif 580 581 ifeq ($(feature-libelf-zstd), 1) 582 ifdef NO_LIBZSTD 583 $(error Error: libzstd is required by libelf, please do not set NO_LIBZSTD) 584 endif 585 endif 586 587 ifndef NO_LIBDEBUGINFOD 588 $(call feature_check,libdebuginfod) 589 ifeq ($(feature-libdebuginfod), 1) 590 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT 591 EXTLIBS += -ldebuginfod 592 else 593 $(warning No elfutils/debuginfod.h found, no debuginfo server support, please install libdebuginfod-dev/elfutils-debuginfod-client-devel or equivalent) 594 endif 595 endif 596 597 ifndef NO_LIBDW 598 CFLAGS += -DHAVE_LIBDW_SUPPORT $(LIBDW_CFLAGS) 599 LDFLAGS += $(LIBDW_LDFLAGS) 600 EXTLIBS += ${DWARFLIBS} 601 $(call detected,CONFIG_LIBDW) 602 endif # NO_LIBDW 603 604 ifndef NO_LIBBPF 605 ifeq ($(feature-bpf), 1) 606 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status 607 $(call feature_check,libbpf) 608 609 ifdef LIBBPF_DYNAMIC 610 ifeq ($(feature-libbpf), 1) 611 EXTLIBS += -lbpf 612 CFLAGS += -DHAVE_LIBBPF_SUPPORT 613 $(call detected,CONFIG_LIBBPF) 614 $(call detected,CONFIG_LIBBPF_DYNAMIC) 615 else 616 $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel) 617 endif 618 else 619 ifeq ($(NO_ZLIB), 1) 620 $(warning Warning: Statically building libbpf not possible as zlib is missing) 621 NO_LIBBPF := 1 622 else 623 # Libbpf will be built as a static library from tools/lib/bpf. 624 LIBBPF_STATIC := 1 625 $(call detected,CONFIG_LIBBPF) 626 CFLAGS += -DHAVE_LIBBPF_SUPPORT 627 LIBBPF_INCLUDE = $(LIBBPF_DIR)/.. 628 endif 629 endif 630 endif 631 endif # NO_LIBBPF 632endif # NO_LIBELF 633 634ifndef NO_SDT 635 ifneq ($(feature-sdt), 1) 636 $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev) 637 NO_SDT := 1; 638 else 639 CFLAGS += -DHAVE_SDT_EVENT 640 $(call detected,CONFIG_SDT_EVENT) 641 endif 642endif 643 644ifdef PERF_HAVE_JITDUMP 645 ifndef NO_LIBELF 646 $(call detected,CONFIG_JITDUMP) 647 CFLAGS += -DHAVE_JITDUMP 648 endif 649endif 650 651ifeq ($(SRCARCH),powerpc) 652 ifndef NO_LIBDW 653 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX 654 endif 655endif 656 657ifndef NO_LIBUNWIND 658 have_libunwind := 659 660 $(call feature_check,libunwind) 661 662 $(call feature_check,libunwind-x86) 663 ifeq ($(feature-libunwind-x86), 1) 664 $(call detected,CONFIG_LIBUNWIND_X86) 665 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT 666 LDFLAGS += -lunwind-x86 667 EXTLIBS_LIBUNWIND += -lunwind-x86 668 have_libunwind = 1 669 endif 670 671 $(call feature_check,libunwind-aarch64) 672 ifeq ($(feature-libunwind-aarch64), 1) 673 $(call detected,CONFIG_LIBUNWIND_AARCH64) 674 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT 675 LDFLAGS += -lunwind-aarch64 676 EXTLIBS_LIBUNWIND += -lunwind-aarch64 677 have_libunwind = 1 678 $(call feature_check,libunwind-debug-frame-aarch64) 679 ifneq ($(feature-libunwind-debug-frame-aarch64), 1) 680 $(warning No debug_frame support found in libunwind-aarch64) 681 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64 682 endif 683 endif 684 685 ifneq ($(feature-libunwind), 1) 686 $(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) 687 NO_LOCAL_LIBUNWIND := 1 688 else 689 have_libunwind := 1 690 $(call detected,CONFIG_LOCAL_LIBUNWIND) 691 endif 692 693 ifneq ($(have_libunwind), 1) 694 NO_LIBUNWIND := 1 695 endif 696else 697 NO_LOCAL_LIBUNWIND := 1 698endif 699 700ifndef NO_LIBBPF 701 ifneq ($(feature-bpf), 1) 702 $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) 703 NO_LIBBPF := 1 704 endif 705endif 706 707ifndef BUILD_BPF_SKEL 708 # BPF skeletons control a large number of perf features, by default 709 # they are enabled. 710 BUILD_BPF_SKEL := 1 711endif 712 713ifeq ($(BUILD_BPF_SKEL),1) 714 ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),) 715 $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool) 716 BUILD_BPF_SKEL := 0 717 else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),) 718 $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool) 719 BUILD_BPF_SKEL := 0 720 else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) 721 $(warning Warning: Disabled BPF skeletons as libbpf is required) 722 BUILD_BPF_SKEL := 0 723 else ifeq ($(call get-executable,$(CLANG)),) 724 $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing) 725 BUILD_BPF_SKEL := 0 726 else 727 CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g') 728 ifeq ($(call version-lt3,$(CLANG_VERSION),12.0.1),1) 729 $(warning Warning: Disabled BPF skeletons as reliable BTF generation needs at least $(CLANG) version 12.0.1) 730 BUILD_BPF_SKEL := 0 731 endif 732 endif 733 ifeq ($(BUILD_BPF_SKEL),1) 734 $(call feature_check,clang-bpf-co-re) 735 ifeq ($(feature-clang-bpf-co-re), 0) 736 $(warning Warning: Disabled BPF skeletons as clang is too old) 737 BUILD_BPF_SKEL := 0 738 endif 739 endif 740 ifeq ($(BUILD_BPF_SKEL),1) 741 $(call detected,CONFIG_PERF_BPF_SKEL) 742 CFLAGS += -DHAVE_BPF_SKEL 743 endif 744endif 745 746ifndef GEN_VMLINUX_H 747 VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h 748endif 749 750dwarf-post-unwind := 1 751dwarf-post-unwind-text := BUG 752 753# setup DWARF post unwinder 754ifdef NO_LIBUNWIND 755 ifdef NO_LIBDW_DWARF_UNWIND 756 $(warning Disabling post unwind, no support found.) 757 dwarf-post-unwind := 0 758 else 759 dwarf-post-unwind-text := libdw 760 $(call detected,CONFIG_LIBDW_DWARF_UNWIND) 761 endif 762else 763 dwarf-post-unwind-text := libunwind 764 $(call detected,CONFIG_LIBUNWIND) 765 # Enable libunwind support by default. 766 ifndef NO_LIBDW_DWARF_UNWIND 767 NO_LIBDW_DWARF_UNWIND := 1 768 endif 769endif 770 771ifeq ($(dwarf-post-unwind),1) 772 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT 773 $(call detected,CONFIG_DWARF_UNWIND) 774endif 775 776ifndef NO_LIBUNWIND 777 ifndef NO_LOCAL_LIBUNWIND 778 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64)) 779 $(call feature_check,libunwind-debug-frame) 780 ifneq ($(feature-libunwind-debug-frame), 1) 781 $(warning No debug_frame support found in libunwind) 782 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 783 endif 784 else 785 # non-ARM has no dwarf_find_debug_frame() function: 786 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 787 endif 788 EXTLIBS += $(LIBUNWIND_LIBS) 789 LDFLAGS += $(LIBUNWIND_LIBS) 790 endif 791 ifeq ($(findstring -static,${LDFLAGS}),-static) 792 # gcc -static links libgcc_eh which contans piece of libunwind 793 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition 794 endif 795 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT 796 CFLAGS += $(LIBUNWIND_CFLAGS) 797 LDFLAGS += $(LIBUNWIND_LDFLAGS) 798 EXTLIBS += $(EXTLIBS_LIBUNWIND) 799endif 800 801ifneq ($(NO_LIBTRACEEVENT),1) 802 $(call detected,CONFIG_TRACE) 803endif 804 805ifndef NO_SLANG 806 ifneq ($(feature-libslang), 1) 807 $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev) 808 NO_SLANG := 1 809 endif 810 ifndef NO_SLANG 811 CFLAGS += -DHAVE_SLANG_SUPPORT 812 EXTLIBS += -lslang 813 $(call detected,CONFIG_SLANG) 814 endif 815endif 816 817ifdef GTK2 818 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) 819 $(call feature_check,gtk2) 820 ifneq ($(feature-gtk2), 1) 821 $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev) 822 NO_GTK2 := 1 823 else 824 $(call feature_check,gtk2-infobar) 825 ifeq ($(feature-gtk2-infobar), 1) 826 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT 827 endif 828 CFLAGS += -DHAVE_GTK2_SUPPORT 829 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) 830 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) 831 EXTLIBS += -ldl 832 endif 833endif 834 835ifdef LIBPERL 836 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) 837 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) 838 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) 839 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) 840 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) 841 PERL_EMBED_CCOPTS := $(filter-out -flto% -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) 842 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 843 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) 844 845 $(call feature_check,libperl) 846 ifneq ($(feature-libperl), 1) 847 $(error Missing perl devel files. Please install perl-ExtUtils-Embed/libperl-dev) 848 else 849 LDFLAGS += $(PERL_EMBED_LDFLAGS) 850 EXTLIBS += $(PERL_EMBED_LIBADD) 851 CFLAGS += -DHAVE_LIBPERL_SUPPORT 852 $(call detected,CONFIG_LIBPERL) 853 endif 854endif 855 856ifeq ($(feature-timerfd), 1) 857 CFLAGS += -DHAVE_TIMERFD_SUPPORT 858else 859 $(warning No timerfd support. Disables 'perf kvm stat live') 860endif 861 862disable-python = $(eval $(disable-python_code)) 863define disable-python_code 864 CFLAGS += -DNO_LIBPYTHON 865 $(warning $1) 866 NO_LIBPYTHON := 1 867endef 868 869PYTHON_EXTENSION_SUFFIX := '.so' 870ifdef NO_LIBPYTHON 871 $(call disable-python,Python support disabled by user) 872else 873 874 ifndef PYTHON 875 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev) 876 else 877 PYTHON_WORD := $(call shell-wordify,$(PYTHON)) 878 879 ifndef PYTHON_CONFIG 880 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) 881 else 882 883 ifneq ($(feature-libpython), 1) 884 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev) 885 else 886 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 887 EXTLIBS += $(PYTHON_EMBED_LIBADD) 888 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no") 889 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes) 890 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])') 891 ifdef CROSS_COMPILE 892 PYTHON_EXTENSION_SUFFIX := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EXTENSION_SUFFIX)) 893 endif 894 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX) 895 else 896 $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent) 897 endif 898 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT 899 $(call detected,CONFIG_LIBPYTHON) 900 ifeq ($(filter -fPIC,$(CFLAGS)),) 901 # Building a shared library requires position independent code. 902 CFLAGS += -fPIC 903 CXXFLAGS += -fPIC 904 endif 905 endif 906 endif 907 endif 908endif 909 910ifneq ($(NO_JEVENTS),1) 911 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),) 912 NO_JEVENTS := 1 913 endif 914endif 915ifneq ($(NO_JEVENTS),1) 916 NO_JEVENTS := 0 917 ifndef PYTHON 918 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.) 919 else 920 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016. 921 JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null) 922 ifneq ($(JEVENTS_PYTHON_GOOD), 1) 923 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.) 924 endif 925 endif 926endif 927 928ifdef BUILD_NONDISTRO 929 $(call feature_check,libbfd) 930 931 ifeq ($(feature-libbfd), 1) 932 EXTLIBS += -lbfd -lopcodes 933 else 934 # we are on a system that requires -liberty and (maybe) -lz 935 # to link against -lbfd; test each case individually here 936 937 # call all detections now so we get correct 938 # status in VF output 939 $(call feature_check,libbfd-liberty) 940 $(call feature_check,libbfd-liberty-z) 941 942 ifeq ($(feature-libbfd-liberty), 1) 943 EXTLIBS += -lbfd -lopcodes -liberty 944 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl 945 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl 946 else 947 ifeq ($(feature-libbfd-liberty-z), 1) 948 EXTLIBS += -lbfd -lopcodes -liberty -lz 949 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl 950 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl 951 endif 952 endif 953 $(call feature_check,disassembler-four-args) 954 $(call feature_check,disassembler-init-styled) 955 endif 956 957 CFLAGS += -DHAVE_LIBBFD_SUPPORT 958 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT 959 $(call detected,CONFIG_LIBBFD) 960 961 $(call feature_check,libbfd-buildid) 962 963 ifeq ($(feature-libbfd-buildid), 1) 964 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT 965 else 966 $(warning Old version of libbfd/binutils things like PE executable profiling will not be available) 967 endif 968 969 ifeq ($(feature-disassembler-four-args), 1) 970 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 971 endif 972 973 ifeq ($(feature-disassembler-init-styled), 1) 974 CFLAGS += -DDISASM_INIT_STYLED 975 endif 976endif 977 978ifndef NO_LIBLLVM 979 $(call feature_check,llvm-perf) 980 ifeq ($(feature-llvm-perf), 1) 981 CFLAGS += -DHAVE_LIBLLVM_SUPPORT 982 CFLAGS += $(shell $(LLVM_CONFIG) --cflags) 983 CXXFLAGS += -DHAVE_LIBLLVM_SUPPORT 984 CXXFLAGS += $(shell $(LLVM_CONFIG) --cxxflags) 985 LIBLLVM = $(shell $(LLVM_CONFIG) --libs all) $(shell $(LLVM_CONFIG) --system-libs) 986 EXTLIBS += -L$(shell $(LLVM_CONFIG) --libdir) $(LIBLLVM) 987 EXTLIBS += -lstdc++ 988 $(call detected,CONFIG_LIBLLVM) 989 else 990 $(warning No libllvm 13+ found, slower source file resolution, please install llvm-devel/llvm-dev) 991 NO_LIBLLVM := 1 992 endif 993endif 994 995ifndef NO_DEMANGLE 996 $(call feature_check,cxa-demangle) 997 ifeq ($(feature-cxa-demangle), 1) 998 EXTLIBS += -lstdc++ 999 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 1000 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 1001 $(call detected,CONFIG_CXX_DEMANGLE) 1002 endif 1003 ifdef BUILD_NONDISTRO 1004 ifeq ($(filter -liberty,$(EXTLIBS)),) 1005 $(call feature_check,cplus-demangle) 1006 ifeq ($(feature-cplus-demangle), 1) 1007 EXTLIBS += -liberty 1008 endif 1009 endif 1010 ifneq ($(filter -liberty,$(EXTLIBS)),) 1011 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 1012 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 1013 endif 1014 endif 1015endif 1016 1017ifndef NO_LZMA 1018 ifeq ($(feature-lzma), 1) 1019 CFLAGS += -DHAVE_LZMA_SUPPORT 1020 EXTLIBS += -llzma 1021 $(call detected,CONFIG_LZMA) 1022 else 1023 $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev) 1024 NO_LZMA := 1 1025 endif 1026endif 1027 1028ifndef NO_LIBZSTD 1029 ifeq ($(feature-libzstd), 1) 1030 CFLAGS += -DHAVE_ZSTD_SUPPORT 1031 CFLAGS += $(LIBZSTD_CFLAGS) 1032 LDFLAGS += $(LIBZSTD_LDFLAGS) 1033 EXTLIBS += -lzstd 1034 $(call detected,CONFIG_ZSTD) 1035 else 1036 $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR) 1037 NO_LIBZSTD := 1 1038 endif 1039endif 1040 1041ifndef NO_BACKTRACE 1042 ifeq ($(feature-backtrace), 1) 1043 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 1044 endif 1045endif 1046 1047ifndef NO_LIBNUMA 1048 ifeq ($(feature-libnuma), 0) 1049 $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev) 1050 NO_LIBNUMA := 1 1051 else 1052 ifeq ($(feature-numa_num_possible_cpus), 0) 1053 $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8) 1054 NO_LIBNUMA := 1 1055 else 1056 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 1057 EXTLIBS += -lnuma 1058 $(call detected,CONFIG_NUMA) 1059 endif 1060 endif 1061endif 1062 1063ifdef HAVE_KVM_STAT_SUPPORT 1064 CFLAGS += -DHAVE_KVM_STAT_SUPPORT 1065endif 1066 1067ifeq (${IS_64_BIT}, 1) 1068 ifndef NO_PERF_READ_VDSO32 1069 $(call feature_check,compile-32) 1070 ifeq ($(feature-compile-32), 1) 1071 CFLAGS += -DHAVE_PERF_READ_VDSO32 1072 else 1073 NO_PERF_READ_VDSO32 := 1 1074 endif 1075 endif 1076 ifneq ($(SRCARCH), x86) 1077 NO_PERF_READ_VDSOX32 := 1 1078 endif 1079 ifndef NO_PERF_READ_VDSOX32 1080 $(call feature_check,compile-x32) 1081 ifeq ($(feature-compile-x32), 1) 1082 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1083 else 1084 NO_PERF_READ_VDSOX32 := 1 1085 endif 1086 endif 1087else 1088 NO_PERF_READ_VDSO32 := 1 1089 NO_PERF_READ_VDSOX32 := 1 1090endif 1091 1092ifndef NO_LIBBABELTRACE 1093 $(call feature_check,libbabeltrace) 1094 ifeq ($(feature-libbabeltrace), 1) 1095 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS) 1096 LDFLAGS += $(LIBBABELTRACE_LDFLAGS) 1097 EXTLIBS += -lbabeltrace-ctf 1098 $(call detected,CONFIG_LIBBABELTRACE) 1099 else 1100 $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev) 1101 endif 1102endif 1103 1104ifndef NO_CAPSTONE 1105 $(call feature_check,libcapstone) 1106 ifeq ($(feature-libcapstone), 1) 1107 CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LIBCAPSTONE_CFLAGS) 1108 LDFLAGS += $(LICAPSTONE_LDFLAGS) 1109 EXTLIBS += -lcapstone 1110 $(call detected,CONFIG_LIBCAPSTONE) 1111 else 1112 msg := $(warning No libcapstone found, disables disasm engine support for 'perf script', please install libcapstone-dev/capstone-devel); 1113 endif 1114endif 1115 1116ifndef NO_AUXTRACE 1117 ifeq ($(SRCARCH),x86) 1118 ifeq ($(feature-get_cpuid), 0) 1119 $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc) 1120 NO_AUXTRACE := 1 1121 endif 1122 endif 1123 ifndef NO_AUXTRACE 1124 $(call detected,CONFIG_AUXTRACE) 1125 CFLAGS += -DHAVE_AUXTRACE_SUPPORT 1126 endif 1127endif 1128 1129ifdef EXTRA_TESTS 1130 $(call detected,CONFIG_EXTRA_TESTS) 1131 CFLAGS += -DHAVE_EXTRA_TESTS 1132endif 1133 1134ifndef NO_JVMTI 1135 ifneq (,$(wildcard /usr/sbin/update-java-alternatives)) 1136 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}') 1137 else 1138 ifneq (,$(wildcard /usr/sbin/alternatives)) 1139 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g') 1140 endif 1141 endif 1142 ifndef JDIR 1143 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory) 1144 NO_JVMTI := 1 1145 endif 1146endif 1147 1148ifndef NO_JVMTI 1149 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux 1150 $(call feature_check,jvmti) 1151 ifeq ($(feature-jvmti), 1) 1152 $(call detected_var,JDIR) 1153 ifndef NO_JVMTI_CMLR 1154 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti) 1155 $(call feature_check,jvmti-cmlr) 1156 ifeq ($(feature-jvmti-cmlr), 1) 1157 CFLAGS += -DHAVE_JVMTI_CMLR 1158 endif 1159 endif # NO_JVMTI_CMLR 1160 else 1161 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-latest-openjdk-devel) 1162 NO_JVMTI := 1 1163 endif 1164endif 1165 1166ifndef NO_LIBPFM4 1167 $(call feature_check,libpfm4) 1168 ifeq ($(feature-libpfm4), 1) 1169 CFLAGS += -DHAVE_LIBPFM 1170 EXTLIBS += -lpfm 1171 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 1172 $(call detected,CONFIG_LIBPFM4) 1173 else 1174 $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm-devel or libpfm4-dev) 1175 endif 1176endif 1177 1178# libtraceevent is a recommended dependency picked up from the system. 1179ifneq ($(NO_LIBTRACEEVENT),1) 1180 ifeq ($(feature-libtraceevent), 1) 1181 CFLAGS += -DHAVE_LIBTRACEEVENT $(shell $(PKG_CONFIG) --cflags libtraceevent) 1182 LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtraceevent) 1183 EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtraceevent) 1184 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent).0.0 1185 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1186 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1187 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1188 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3)) 1189 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP) 1190 $(call detected,CONFIG_LIBTRACEEVENT) 1191 else 1192 $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel and/or set LIBTRACEEVENT_DIR or build with NO_LIBTRACEEVENT=1) 1193 endif 1194endif 1195 1196# Among the variables below, these: 1197# perfexecdir 1198# libbpf_include_dir 1199# perf_examples_dir 1200# template_dir 1201# mandir 1202# infodir 1203# htmldir 1204# ETC_PERFCONFIG (but not sysconfdir) 1205# can be specified as a relative path some/where/else; 1206# this is interpreted as relative to $(prefix) and "perf" at 1207# runtime figures out where they are based on the path to the executable. 1208# This can help installing the suite in a relocatable way. 1209 1210# Make the path relative to DESTDIR, not to prefix 1211ifndef DESTDIR 1212prefix ?= $(HOME) 1213endif 1214bindir_relative = bin 1215bindir = $(abspath $(prefix)/$(bindir_relative)) 1216includedir_relative = include 1217includedir = $(abspath $(prefix)/$(includedir_relative)) 1218mandir = share/man 1219infodir = share/info 1220perfexecdir = libexec/perf-core 1221# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance 1222libbpf_include_dir = /usr/include 1223perf_examples_dir = lib/perf/examples 1224sharedir = $(prefix)/share 1225template_dir = share/perf-core/templates 1226STRACE_GROUPS_DIR = share/perf-core/strace/groups 1227htmldir = share/doc/perf-doc 1228tipdir = share/doc/perf-tip 1229srcdir = $(srctree)/tools/perf 1230ifeq ($(prefix),/usr) 1231sysconfdir = /etc 1232ETC_PERFCONFIG = $(sysconfdir)/perfconfig 1233else 1234sysconfdir = $(prefix)/etc 1235ETC_PERFCONFIG = etc/perfconfig 1236endif 1237ifndef lib 1238ifeq ($(SRCARCH)$(IS_64_BIT), x861) 1239lib = lib64 1240else 1241lib = lib 1242endif 1243endif # lib 1244libdir = $(prefix)/$(lib) 1245 1246# Shell quote (do not use $(call) to accommodate ancient setups); 1247ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) 1248STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR)) 1249DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) 1250bindir_SQ = $(subst ','\'',$(bindir)) 1251includedir_SQ = $(subst ','\'',$(includedir)) 1252mandir_SQ = $(subst ','\'',$(mandir)) 1253infodir_SQ = $(subst ','\'',$(infodir)) 1254perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) 1255libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir)) 1256perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir)) 1257template_dir_SQ = $(subst ','\'',$(template_dir)) 1258htmldir_SQ = $(subst ','\'',$(htmldir)) 1259tipdir_SQ = $(subst ','\'',$(tipdir)) 1260prefix_SQ = $(subst ','\'',$(prefix)) 1261sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) 1262libdir_SQ = $(subst ','\'',$(libdir)) 1263srcdir_SQ = $(subst ','\'',$(srcdir)) 1264 1265ifneq ($(filter /%,$(firstword $(perfexecdir))),) 1266perfexec_instdir = $(perfexecdir) 1267perf_include_instdir = $(libbpf_include_dir) 1268perf_examples_instdir = $(perf_examples_dir) 1269STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) 1270tip_instdir = $(tipdir) 1271else 1272perfexec_instdir = $(prefix)/$(perfexecdir) 1273perf_include_instdir = $(prefix)/$(libbpf_include_dir) 1274perf_examples_instdir = $(prefix)/$(perf_examples_dir) 1275STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) 1276tip_instdir = $(prefix)/$(tipdir) 1277endif 1278perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) 1279perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir)) 1280perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir)) 1281STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) 1282tip_instdir_SQ = $(subst ','\'',$(tip_instdir)) 1283 1284export perfexec_instdir_SQ 1285 1286print_var = $(eval $(print_var_code)) $(info $(MSG)) 1287define print_var_code 1288 MSG = $(shell printf '...%40s: %s' $(1) $($(1))) 1289endef 1290 1291ifeq ($(feature_display),1) 1292 $(call feature_display_entries) 1293endif 1294 1295ifeq ($(VF),1) 1296 # Display EXTRA features which are detected manualy 1297 # from here with feature_check call and thus cannot 1298 # be partof global state output. 1299 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG))) 1300 $(call print_var,prefix) 1301 $(call print_var,bindir) 1302 $(call print_var,libdir) 1303 $(call print_var,sysconfdir) 1304 $(call print_var,LIBUNWIND_DIR) 1305 $(call print_var,LIBDW_DIR) 1306 $(call print_var,JDIR) 1307 1308 ifeq ($(dwarf-post-unwind),1) 1309 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG)) 1310 endif 1311endif 1312 1313$(info ) 1314 1315$(call detected_var,bindir_SQ) 1316$(call detected_var,PYTHON_WORD) 1317ifneq ($(OUTPUT),) 1318$(call detected_var,OUTPUT) 1319endif 1320$(call detected_var,htmldir_SQ) 1321$(call detected_var,infodir_SQ) 1322$(call detected_var,mandir_SQ) 1323$(call detected_var,ETC_PERFCONFIG_SQ) 1324$(call detected_var,STRACE_GROUPS_DIR_SQ) 1325$(call detected_var,prefix_SQ) 1326$(call detected_var,perfexecdir_SQ) 1327$(call detected_var,libbpf_include_dir_SQ) 1328$(call detected_var,perf_examples_dir_SQ) 1329$(call detected_var,tipdir_SQ) 1330$(call detected_var,srcdir_SQ) 1331$(call detected_var,LIBDIR) 1332$(call detected_var,GTK_CFLAGS) 1333$(call detected_var,PERL_EMBED_CCOPTS) 1334$(call detected_var,PYTHON_EMBED_CCOPTS) 1335ifneq ($(BISON_FILE_PREFIX_MAP),) 1336$(call detected_var,BISON_FILE_PREFIX_MAP) 1337endif 1338 1339# re-generate FEATURE-DUMP as we may have called feature_check, found out 1340# extra libraries to add to LDFLAGS of some other test and then redo those 1341# tests, see the block about libbfd, disassembler-four-args, for instance. 1342$(shell rm -f $(FEATURE_DUMP_FILENAME)) 1343$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) 1344