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# Enabled Wthread-safety analysis for clang builds. 23ifeq ($(CC_NO_CLANG), 0) 24 CFLAGS += -Wthread-safety 25endif 26 27include $(srctree)/tools/scripts/Makefile.arch 28 29$(call detected_var,SRCARCH) 30 31ifneq ($(NO_SYSCALL_TABLE),1) 32 NO_SYSCALL_TABLE := 1 33 34 ifeq ($(SRCARCH),x86) 35 ifeq (${IS_64_BIT}, 1) 36 NO_SYSCALL_TABLE := 0 37 endif 38 else 39 ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390 mips loongarch)) 40 NO_SYSCALL_TABLE := 0 41 endif 42 endif 43 44 ifneq ($(NO_SYSCALL_TABLE),1) 45 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT 46 endif 47endif 48 49# Additional ARCH settings for ppc 50ifeq ($(SRCARCH),powerpc) 51 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated 52 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64 53endif 54 55# Additional ARCH settings for x86 56ifeq ($(SRCARCH),x86) 57 $(call detected,CONFIG_X86) 58 ifeq (${IS_64_BIT}, 1) 59 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated 60 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S 61 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma 62 $(call detected,CONFIG_X86_64) 63 else 64 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind 65 endif 66endif 67 68ifeq ($(SRCARCH),arm) 69 LIBUNWIND_LIBS = -lunwind -lunwind-arm 70endif 71 72ifeq ($(SRCARCH),arm64) 73 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated 74 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64 75endif 76 77ifeq ($(SRCARCH),loongarch) 78 CFLAGS += -I$(OUTPUT)arch/loongarch/include/generated 79 LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64 80endif 81 82ifeq ($(ARCH),s390) 83 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated 84endif 85 86ifeq ($(ARCH),mips) 87 CFLAGS += -I$(OUTPUT)arch/mips/include/generated 88 LIBUNWIND_LIBS = -lunwind -lunwind-mips 89endif 90 91# So far there's only x86 and arm libdw unwind support merged in perf. 92# Disable it on all other architectures in case libdw unwind 93# support is detected in system. Add supported architectures 94# to the check. 95ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv loongarch)) 96 NO_LIBDW_DWARF_UNWIND := 1 97endif 98 99ifeq ($(LIBUNWIND_LIBS),) 100 NO_LIBUNWIND := 1 101endif 102# 103# For linking with debug library, run like: 104# 105# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/ 106# 107 108libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code)) 109define libunwind_arch_set_flags_code 110 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include 111 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib 112endef 113 114ifdef LIBUNWIND_DIR 115 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include 116 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib 117 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64 loongarch 118 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch))) 119endif 120 121# Set per-feature check compilation flags 122FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS) 123FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 124FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS) 125FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 126 127FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm 128FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64 129FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86 130FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64 131 132FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto 133 134ifdef CSINCLUDES 135 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES) 136endif 137OPENCSDLIBS := -lopencsd_c_api -lopencsd 138ifeq ($(findstring -static,${LDFLAGS}),-static) 139 OPENCSDLIBS += -lstdc++ 140endif 141ifdef CSLIBS 142 LIBOPENCSD_LDFLAGS := -L$(CSLIBS) 143endif 144FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS) 145FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS) 146 147# for linking with debug library, run like: 148# make DEBUG=1 LIBDW_DIR=/opt/libdw/ 149ifdef LIBDW_DIR 150 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include 151 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib 152endif 153DWARFLIBS := -ldw 154ifeq ($(findstring -static,${LDFLAGS}),-static) 155 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2 156endif 157FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS) 158FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS) 159 160# for linking with debug library, run like: 161# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/ 162ifdef LIBBABELTRACE_DIR 163 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include 164 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib 165endif 166FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS) 167FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf 168 169# for linking with debug library, run like: 170# make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/ 171ifdef LIBCAPSTONE_DIR 172 LIBCAPSTONE_CFLAGS := -I$(LIBCAPSTONE_DIR)/include 173 LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/ 174endif 175FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPSTONE_CFLAGS) 176FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPSTONE_LDFLAGS) -lcapstone 177 178ifdef LIBZSTD_DIR 179 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib 180 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib 181endif 182FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS) 183FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS) 184 185FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi 186# include ARCH specific config 187-include $(src-perf)/arch/$(SRCARCH)/Makefile 188 189ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 190 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 191endif 192 193include $(srctree)/tools/scripts/utilities.mak 194 195ifeq ($(call get-executable,$(FLEX)),) 196 $(error Error: $(FLEX) is missing on this system, please install it) 197endif 198 199ifeq ($(call get-executable,$(BISON)),) 200 $(error Error: $(BISON) is missing on this system, please install it) 201endif 202 203ifneq ($(NO_LIBTRACEEVENT),1) 204 ifeq ($(call get-executable,$(PKG_CONFIG)),) 205 dummy := $(error Error: $(PKG_CONFIG) needed by libtraceevent is missing on this system, please install it) 206 endif 207endif 208 209ifneq ($(OUTPUT),) 210 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1) 211 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)= 212 endif 213endif 214 215# Treat warnings as errors unless directed not to 216ifneq ($(WERROR),0) 217 CORE_CFLAGS += -Werror 218 CXXFLAGS += -Werror 219 HOSTCFLAGS += -Werror 220endif 221 222ifndef DEBUG 223 DEBUG := 0 224endif 225 226ifeq ($(DEBUG),0) 227CORE_CFLAGS += -DNDEBUG=1 228ifeq ($(CC_NO_CLANG), 0) 229 CORE_CFLAGS += -O3 230else 231 CORE_CFLAGS += -O6 232endif 233else 234 CORE_CFLAGS += -g 235 CXXFLAGS += -g 236endif 237 238ifdef PARSER_DEBUG 239 PARSER_DEBUG_BISON := -t 240 PARSER_DEBUG_FLEX := -d 241 CFLAGS += -DPARSER_DEBUG 242 $(call detected_var,PARSER_DEBUG_BISON) 243 $(call detected_var,PARSER_DEBUG_FLEX) 244endif 245 246ifdef LTO 247 CORE_CFLAGS += -flto 248 CXXFLAGS += -flto 249endif 250 251# Try different combinations to accommodate systems that only have 252# python[2][3]-config in weird combinations in the following order of 253# priority from lowest to highest: 254# * python2-config as per pep-0394. 255# * python-config 256# * python3-config 257# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't) 258# 259PYTHON_AUTO := python-config 260PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO)) 261PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO)) 262PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO)) 263 264# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user 265# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist. 266ifdef PYTHON 267 ifndef PYTHON_CONFIG 268 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config) 269 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\ 270 $(call $(error $(PYTHON)-config not found))) 271 endif 272endif 273 274# Select either auto detected python and python-config or use user supplied values if they are 275# defined. get-executable-or-default fails with an error if the first argument is supplied but 276# doesn't exist. 277override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO)) 278override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG))) 279 280grep-libs = $(filter -l%,$(1)) 281strip-libs = $(filter-out -l%,$(1)) 282 283PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG)) 284 285# Python 3.8 changed the output of `python-config --ldflags` to not include the 286# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for 287# libpython fails if that flag is not included in LDFLAGS 288ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0) 289 PYTHON_CONFIG_LDFLAGS := --ldflags --embed 290else 291 PYTHON_CONFIG_LDFLAGS := --ldflags 292endif 293 294ifdef PYTHON_CONFIG 295 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null) 296 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS)) 297 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil 298 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null) 299 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS) 300 ifeq ($(CC_NO_CLANG), 0) 301 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS)) 302 endif 303endif 304 305FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS) 306FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS) 307 308FEATURE_CHECK_LDFLAGS-libaio = -lrt 309 310FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl 311FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl 312 313CORE_CFLAGS += -fno-omit-frame-pointer 314CORE_CFLAGS += -Wall 315CORE_CFLAGS += -Wextra 316CORE_CFLAGS += -std=gnu11 317 318CXXFLAGS += -std=gnu++17 -fno-exceptions -fno-rtti 319CXXFLAGS += -Wall 320CXXFLAGS += -Wextra 321CXXFLAGS += -fno-omit-frame-pointer 322 323HOSTCFLAGS += -Wall 324HOSTCFLAGS += -Wextra 325 326# Enforce a non-executable stack, as we may regress (again) in the future by 327# adding assembler files missing the .GNU-stack linker note. 328LDFLAGS += -Wl,-z,noexecstack 329 330EXTLIBS = -lpthread -lrt -lm -ldl 331 332ifneq ($(TCMALLOC),) 333 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free 334 EXTLIBS += -ltcmalloc 335endif 336 337ifeq ($(FEATURES_DUMP),) 338# We will display at the end of this Makefile.config, using $(call feature_display_entries) 339# As we may retry some feature detection here, see the disassembler-four-args case, for instance 340 FEATURE_DISPLAY_DEFERRED := 1 341include $(srctree)/tools/build/Makefile.feature 342else 343include $(FEATURES_DUMP) 344endif 345 346ifeq ($(feature-stackprotector-all), 1) 347 CORE_CFLAGS += -fstack-protector-all 348endif 349 350ifeq ($(DEBUG),0) 351 ifeq ($(feature-fortify-source), 1) 352 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 353 endif 354endif 355 356INC_FLAGS += -I$(src-perf)/util/include 357INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include 358INC_FLAGS += -I$(srctree)/tools/include/ 359INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi 360INC_FLAGS += -I$(srctree)/tools/include/uapi 361INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/ 362INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/ 363 364# $(obj-perf) for generated common-cmds.h 365# $(obj-perf)/util for generated bison/flex headers 366ifneq ($(OUTPUT),) 367INC_FLAGS += -I$(obj-perf)/util 368INC_FLAGS += -I$(obj-perf) 369endif 370 371INC_FLAGS += -I$(src-perf)/util 372INC_FLAGS += -I$(src-perf) 373 374CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE 375 376CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS) 377CXXFLAGS += $(INC_FLAGS) 378 379LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS) 380 381ifeq ($(feature-pthread-attr-setaffinity-np), 1) 382 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP 383endif 384 385ifeq ($(feature-pthread-barrier), 1) 386 CFLAGS += -DHAVE_PTHREAD_BARRIER 387endif 388 389ifndef NO_BIONIC 390 $(call feature_check,bionic) 391 ifeq ($(feature-bionic), 1) 392 BIONIC := 1 393 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE 394 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE 395 EXTLIBS := $(filter-out -lrt,$(EXTLIBS)) 396 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS)) 397 endif 398endif 399 400ifeq ($(feature-eventfd), 1) 401 CFLAGS += -DHAVE_EVENTFD_SUPPORT 402endif 403 404ifeq ($(feature-get_current_dir_name), 1) 405 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME 406endif 407 408ifeq ($(feature-gettid), 1) 409 CFLAGS += -DHAVE_GETTID 410endif 411 412ifeq ($(feature-file-handle), 1) 413 CFLAGS += -DHAVE_FILE_HANDLE 414endif 415 416ifdef NO_LIBELF 417 NO_DWARF := 1 418 NO_LIBUNWIND := 1 419 NO_LIBDW_DWARF_UNWIND := 1 420 NO_LIBBPF := 1 421 NO_JVMTI := 1 422else 423 ifeq ($(feature-libelf), 0) 424 ifeq ($(feature-glibc), 1) 425 LIBC_SUPPORT := 1 426 endif 427 ifeq ($(BIONIC),1) 428 LIBC_SUPPORT := 1 429 endif 430 ifeq ($(LIBC_SUPPORT),1) 431 $(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.) 432 else 433 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),) 434 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0) 435 $(error No libasan found, please install libasan) 436 endif 437 endif 438 439 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),) 440 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0) 441 $(error No libubsan found, please install libubsan) 442 endif 443 endif 444 445 ifneq ($(filter s% -static%,$(LDFLAGS),),) 446 $(error No static glibc found, please install glibc-static) 447 else 448 $(error No gnu/libc-version.h found, please install glibc-dev[el]) 449 endif 450 endif 451 else 452 ifndef NO_LIBDW_DWARF_UNWIND 453 ifneq ($(feature-libdw-dwarf-unwind),1) 454 NO_LIBDW_DWARF_UNWIND := 1 455 $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR) 456 endif 457 endif 458 ifneq ($(feature-dwarf), 1) 459 ifndef NO_DWARF 460 $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev) 461 NO_DWARF := 1 462 endif 463 else 464 ifneq ($(feature-dwarf_getlocations), 1) 465 $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157) 466 else 467 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT 468 endif # dwarf_getlocations 469 ifneq ($(feature-dwarf_getcfi), 1) 470 $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.142) 471 else 472 CFLAGS += -DHAVE_DWARF_CFI_SUPPORT 473 endif # dwarf_getcfi 474 endif # Dwarf support 475 endif # libelf support 476endif # NO_LIBELF 477 478ifeq ($(feature-libaio), 1) 479 ifndef NO_AIO 480 CFLAGS += -DHAVE_AIO_SUPPORT 481 endif 482endif 483 484ifdef NO_DWARF 485 NO_LIBDW_DWARF_UNWIND := 1 486endif 487 488ifeq ($(feature-scandirat), 1) 489 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT 490endif 491 492ifeq ($(feature-sched_getcpu), 1) 493 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT 494endif 495 496ifeq ($(feature-setns), 1) 497 CFLAGS += -DHAVE_SETNS_SUPPORT 498 $(call detected,CONFIG_SETNS) 499endif 500 501ifdef CORESIGHT 502 $(call feature_check,libopencsd) 503 ifeq ($(feature-libopencsd), 1) 504 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS) 505 ifeq ($(feature-reallocarray), 0) 506 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 507 endif 508 LDFLAGS += $(LIBOPENCSD_LDFLAGS) 509 EXTLIBS += $(OPENCSDLIBS) 510 $(call detected,CONFIG_LIBOPENCSD) 511 ifdef CSTRACE_RAW 512 CFLAGS += -DCS_DEBUG_RAW 513 ifeq (${CSTRACE_RAW}, packed) 514 CFLAGS += -DCS_RAW_PACKED 515 endif 516 endif 517 else 518 $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1) 519 endif 520endif 521 522ifndef NO_ZLIB 523 ifeq ($(feature-zlib), 1) 524 CFLAGS += -DHAVE_ZLIB_SUPPORT 525 EXTLIBS += -lz 526 $(call detected,CONFIG_ZLIB) 527 else 528 NO_ZLIB := 1 529 endif 530endif 531 532ifndef NO_LIBELF 533 CFLAGS += -DHAVE_LIBELF_SUPPORT 534 EXTLIBS += -lelf 535 $(call detected,CONFIG_LIBELF) 536 537 ifeq ($(feature-libelf-getphdrnum), 1) 538 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT 539 endif 540 541 ifeq ($(feature-libelf-gelf_getnote), 1) 542 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT 543 else 544 $(warning gelf_getnote() not found on libelf, SDT support disabled) 545 endif 546 547 ifeq ($(feature-libelf-getshdrstrndx), 1) 548 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT 549 endif 550 551 ifndef NO_LIBDEBUGINFOD 552 $(call feature_check,libdebuginfod) 553 ifeq ($(feature-libdebuginfod), 1) 554 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT 555 EXTLIBS += -ldebuginfod 556 endif 557 endif 558 559 ifndef NO_DWARF 560 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined) 561 $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled) 562 NO_DWARF := 1 563 else 564 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS) 565 LDFLAGS += $(LIBDW_LDFLAGS) 566 EXTLIBS += ${DWARFLIBS} 567 $(call detected,CONFIG_DWARF) 568 endif # PERF_HAVE_DWARF_REGS 569 endif # NO_DWARF 570 571 ifndef NO_LIBBPF 572 ifeq ($(feature-bpf), 1) 573 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status 574 $(call feature_check,libbpf) 575 576 ifdef LIBBPF_DYNAMIC 577 ifeq ($(feature-libbpf), 1) 578 EXTLIBS += -lbpf 579 CFLAGS += -DHAVE_LIBBPF_SUPPORT 580 $(call detected,CONFIG_LIBBPF) 581 $(call detected,CONFIG_LIBBPF_DYNAMIC) 582 else 583 $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel) 584 endif 585 else 586 ifeq ($(NO_ZLIB), 1) 587 $(warning Warning: Statically building libbpf not possible as zlib is missing) 588 NO_LIBBPF := 1 589 else 590 # Libbpf will be built as a static library from tools/lib/bpf. 591 LIBBPF_STATIC := 1 592 $(call detected,CONFIG_LIBBPF) 593 CFLAGS += -DHAVE_LIBBPF_SUPPORT 594 endif 595 endif 596 endif 597 endif # NO_LIBBPF 598endif # NO_LIBELF 599 600ifndef NO_SDT 601 ifneq ($(feature-sdt), 1) 602 $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev) 603 NO_SDT := 1; 604 else 605 CFLAGS += -DHAVE_SDT_EVENT 606 $(call detected,CONFIG_SDT_EVENT) 607 endif 608endif 609 610ifdef PERF_HAVE_JITDUMP 611 ifndef NO_LIBELF 612 $(call detected,CONFIG_JITDUMP) 613 CFLAGS += -DHAVE_JITDUMP 614 endif 615endif 616 617ifeq ($(SRCARCH),powerpc) 618 ifndef NO_DWARF 619 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX 620 endif 621endif 622 623ifndef NO_LIBUNWIND 624 have_libunwind := 625 626 $(call feature_check,libunwind-x86) 627 ifeq ($(feature-libunwind-x86), 1) 628 $(call detected,CONFIG_LIBUNWIND_X86) 629 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT 630 LDFLAGS += -lunwind-x86 631 EXTLIBS_LIBUNWIND += -lunwind-x86 632 have_libunwind = 1 633 endif 634 635 $(call feature_check,libunwind-aarch64) 636 ifeq ($(feature-libunwind-aarch64), 1) 637 $(call detected,CONFIG_LIBUNWIND_AARCH64) 638 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT 639 LDFLAGS += -lunwind-aarch64 640 EXTLIBS_LIBUNWIND += -lunwind-aarch64 641 have_libunwind = 1 642 $(call feature_check,libunwind-debug-frame-aarch64) 643 ifneq ($(feature-libunwind-debug-frame-aarch64), 1) 644 $(warning No debug_frame support found in libunwind-aarch64) 645 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64 646 endif 647 endif 648 649 ifneq ($(feature-libunwind), 1) 650 $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR) 651 NO_LOCAL_LIBUNWIND := 1 652 else 653 have_libunwind := 1 654 $(call detected,CONFIG_LOCAL_LIBUNWIND) 655 endif 656 657 ifneq ($(have_libunwind), 1) 658 NO_LIBUNWIND := 1 659 endif 660else 661 NO_LOCAL_LIBUNWIND := 1 662endif 663 664ifndef NO_LIBBPF 665 ifneq ($(feature-bpf), 1) 666 $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) 667 NO_LIBBPF := 1 668 endif 669endif 670 671ifndef BUILD_BPF_SKEL 672 # BPF skeletons control a large number of perf features, by default 673 # they are enabled. 674 BUILD_BPF_SKEL := 1 675endif 676 677ifeq ($(BUILD_BPF_SKEL),1) 678 ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),) 679 $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool) 680 BUILD_BPF_SKEL := 0 681 else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),) 682 $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool) 683 BUILD_BPF_SKEL := 0 684 else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) 685 $(warning Warning: Disabled BPF skeletons as libbpf is required) 686 BUILD_BPF_SKEL := 0 687 else ifeq ($(call get-executable,$(CLANG)),) 688 $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing) 689 BUILD_BPF_SKEL := 0 690 else 691 CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g') 692 ifeq ($(call version-lt3,$(CLANG_VERSION),12.0.1),1) 693 $(warning Warning: Disabled BPF skeletons as reliable BTF generation needs at least $(CLANG) version 12.0.1) 694 BUILD_BPF_SKEL := 0 695 endif 696 endif 697 ifeq ($(BUILD_BPF_SKEL),1) 698 $(call feature_check,clang-bpf-co-re) 699 ifeq ($(feature-clang-bpf-co-re), 0) 700 $(warning Warning: Disabled BPF skeletons as clang is too old) 701 BUILD_BPF_SKEL := 0 702 endif 703 endif 704 ifeq ($(BUILD_BPF_SKEL),1) 705 $(call detected,CONFIG_PERF_BPF_SKEL) 706 CFLAGS += -DHAVE_BPF_SKEL 707 endif 708endif 709 710ifndef GEN_VMLINUX_H 711 VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h 712endif 713 714dwarf-post-unwind := 1 715dwarf-post-unwind-text := BUG 716 717# setup DWARF post unwinder 718ifdef NO_LIBUNWIND 719 ifdef NO_LIBDW_DWARF_UNWIND 720 $(warning Disabling post unwind, no support found.) 721 dwarf-post-unwind := 0 722 else 723 dwarf-post-unwind-text := libdw 724 $(call detected,CONFIG_LIBDW_DWARF_UNWIND) 725 endif 726else 727 dwarf-post-unwind-text := libunwind 728 $(call detected,CONFIG_LIBUNWIND) 729 # Enable libunwind support by default. 730 ifndef NO_LIBDW_DWARF_UNWIND 731 NO_LIBDW_DWARF_UNWIND := 1 732 endif 733endif 734 735ifeq ($(dwarf-post-unwind),1) 736 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT 737 $(call detected,CONFIG_DWARF_UNWIND) 738else 739 NO_DWARF_UNWIND := 1 740endif 741 742ifndef NO_LOCAL_LIBUNWIND 743 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64)) 744 $(call feature_check,libunwind-debug-frame) 745 ifneq ($(feature-libunwind-debug-frame), 1) 746 $(warning No debug_frame support found in libunwind) 747 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 748 endif 749 else 750 # non-ARM has no dwarf_find_debug_frame() function: 751 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 752 endif 753 EXTLIBS += $(LIBUNWIND_LIBS) 754 LDFLAGS += $(LIBUNWIND_LIBS) 755endif 756ifeq ($(findstring -static,${LDFLAGS}),-static) 757 # gcc -static links libgcc_eh which contans piece of libunwind 758 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition 759endif 760 761ifndef NO_LIBUNWIND 762 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT 763 CFLAGS += $(LIBUNWIND_CFLAGS) 764 LDFLAGS += $(LIBUNWIND_LDFLAGS) 765 EXTLIBS += $(EXTLIBS_LIBUNWIND) 766endif 767 768ifneq ($(NO_LIBTRACEEVENT),1) 769 ifeq ($(NO_SYSCALL_TABLE),0) 770 $(call detected,CONFIG_TRACE) 771 else 772 ifndef NO_LIBAUDIT 773 $(call feature_check,libaudit) 774 ifneq ($(feature-libaudit), 1) 775 $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev) 776 NO_LIBAUDIT := 1 777 else 778 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT 779 EXTLIBS += -laudit 780 $(call detected,CONFIG_TRACE) 781 endif 782 endif 783 endif 784endif 785 786ifndef NO_LIBCRYPTO 787 ifneq ($(feature-libcrypto), 1) 788 $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev) 789 NO_LIBCRYPTO := 1 790 else 791 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT 792 EXTLIBS += -lcrypto 793 $(call detected,CONFIG_CRYPTO) 794 endif 795endif 796 797ifndef NO_SLANG 798 ifneq ($(feature-libslang), 1) 799 ifneq ($(feature-libslang-include-subdir), 1) 800 $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev) 801 NO_SLANG := 1 802 else 803 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR 804 endif 805 endif 806 ifndef NO_SLANG 807 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h 808 CFLAGS += -DHAVE_SLANG_SUPPORT 809 EXTLIBS += -lslang 810 $(call detected,CONFIG_SLANG) 811 endif 812endif 813 814ifdef GTK2 815 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) 816 $(call feature_check,gtk2) 817 ifneq ($(feature-gtk2), 1) 818 $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev) 819 NO_GTK2 := 1 820 else 821 $(call feature_check,gtk2-infobar) 822 ifeq ($(feature-gtk2-infobar), 1) 823 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT 824 endif 825 CFLAGS += -DHAVE_GTK2_SUPPORT 826 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) 827 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) 828 EXTLIBS += -ldl 829 endif 830endif 831 832ifdef NO_LIBPERL 833 CFLAGS += -DNO_LIBPERL 834else 835 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) 836 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) 837 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) 838 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) 839 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) 840 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) 841 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 842 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) 843 844 ifneq ($(feature-libperl), 1) 845 CFLAGS += -DNO_LIBPERL 846 NO_LIBPERL := 1 847 $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev) 848 else 849 LDFLAGS += $(PERL_EMBED_LDFLAGS) 850 EXTLIBS += $(PERL_EMBED_LIBADD) 851 CFLAGS += -DHAVE_LIBPERL_SUPPORT 852 ifeq ($(CC_NO_CLANG), 0) 853 CFLAGS += -Wno-compound-token-split-by-macro 854 endif 855 $(call detected,CONFIG_LIBPERL) 856 endif 857endif 858 859ifeq ($(feature-timerfd), 1) 860 CFLAGS += -DHAVE_TIMERFD_SUPPORT 861else 862 $(warning No timerfd support. Disables 'perf kvm stat live') 863endif 864 865disable-python = $(eval $(disable-python_code)) 866define disable-python_code 867 CFLAGS += -DNO_LIBPYTHON 868 $(warning $1) 869 NO_LIBPYTHON := 1 870endef 871 872PYTHON_EXTENSION_SUFFIX := '.so' 873ifdef NO_LIBPYTHON 874 $(call disable-python,Python support disabled by user) 875else 876 877 ifndef PYTHON 878 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev) 879 else 880 PYTHON_WORD := $(call shell-wordify,$(PYTHON)) 881 882 ifndef PYTHON_CONFIG 883 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) 884 else 885 886 ifneq ($(feature-libpython), 1) 887 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev) 888 else 889 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 890 EXTLIBS += $(PYTHON_EMBED_LIBADD) 891 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no") 892 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes) 893 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])') 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 $(call detected,CONFIG_LIBPYTHON) 900 endif 901 endif 902 endif 903endif 904 905ifneq ($(NO_JEVENTS),1) 906 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),) 907 NO_JEVENTS := 1 908 endif 909endif 910ifneq ($(NO_JEVENTS),1) 911 NO_JEVENTS := 0 912 ifndef PYTHON 913 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.) 914 else 915 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016. 916 JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null) 917 ifneq ($(JEVENTS_PYTHON_GOOD), 1) 918 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.) 919 endif 920 endif 921endif 922 923ifdef BUILD_NONDISTRO 924 ifeq ($(feature-libbfd), 1) 925 EXTLIBS += -lbfd -lopcodes 926 else 927 # we are on a system that requires -liberty and (maybe) -lz 928 # to link against -lbfd; test each case individually here 929 930 # call all detections now so we get correct 931 # status in VF output 932 $(call feature_check,libbfd-liberty) 933 $(call feature_check,libbfd-liberty-z) 934 935 ifeq ($(feature-libbfd-liberty), 1) 936 EXTLIBS += -lbfd -lopcodes -liberty 937 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl 938 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl 939 else 940 ifeq ($(feature-libbfd-liberty-z), 1) 941 EXTLIBS += -lbfd -lopcodes -liberty -lz 942 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl 943 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl 944 endif 945 endif 946 $(call feature_check,disassembler-four-args) 947 $(call feature_check,disassembler-init-styled) 948 endif 949 950 CFLAGS += -DHAVE_LIBBFD_SUPPORT 951 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT 952 ifeq ($(feature-libbfd-buildid), 1) 953 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT 954 else 955 $(warning Old version of libbfd/binutils things like PE executable profiling will not be available) 956 endif 957endif 958 959ifndef NO_DEMANGLE 960 $(call feature_check,cxa-demangle) 961 ifeq ($(feature-cxa-demangle), 1) 962 EXTLIBS += -lstdc++ 963 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 964 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 965 $(call detected,CONFIG_CXX_DEMANGLE) 966 endif 967 ifdef BUILD_NONDISTRO 968 ifeq ($(filter -liberty,$(EXTLIBS)),) 969 $(call feature_check,cplus-demangle) 970 ifeq ($(feature-cplus-demangle), 1) 971 EXTLIBS += -liberty 972 endif 973 endif 974 ifneq ($(filter -liberty,$(EXTLIBS)),) 975 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 976 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 977 endif 978 endif 979endif 980 981ifndef NO_LZMA 982 ifeq ($(feature-lzma), 1) 983 CFLAGS += -DHAVE_LZMA_SUPPORT 984 EXTLIBS += -llzma 985 $(call detected,CONFIG_LZMA) 986 else 987 $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev) 988 NO_LZMA := 1 989 endif 990endif 991 992ifndef NO_LIBZSTD 993 ifeq ($(feature-libzstd), 1) 994 CFLAGS += -DHAVE_ZSTD_SUPPORT 995 CFLAGS += $(LIBZSTD_CFLAGS) 996 LDFLAGS += $(LIBZSTD_LDFLAGS) 997 EXTLIBS += -lzstd 998 $(call detected,CONFIG_ZSTD) 999 else 1000 $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR) 1001 NO_LIBZSTD := 1 1002 endif 1003endif 1004 1005ifndef NO_LIBCAP 1006 ifeq ($(feature-libcap), 1) 1007 CFLAGS += -DHAVE_LIBCAP_SUPPORT 1008 EXTLIBS += -lcap 1009 $(call detected,CONFIG_LIBCAP) 1010 else 1011 $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev) 1012 NO_LIBCAP := 1 1013 endif 1014endif 1015 1016ifndef NO_BACKTRACE 1017 ifeq ($(feature-backtrace), 1) 1018 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 1019 endif 1020endif 1021 1022ifndef NO_LIBNUMA 1023 ifeq ($(feature-libnuma), 0) 1024 $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev) 1025 NO_LIBNUMA := 1 1026 else 1027 ifeq ($(feature-numa_num_possible_cpus), 0) 1028 $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8) 1029 NO_LIBNUMA := 1 1030 else 1031 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 1032 EXTLIBS += -lnuma 1033 $(call detected,CONFIG_NUMA) 1034 endif 1035 endif 1036endif 1037 1038ifdef HAVE_KVM_STAT_SUPPORT 1039 CFLAGS += -DHAVE_KVM_STAT_SUPPORT 1040endif 1041 1042ifeq ($(feature-disassembler-four-args), 1) 1043 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 1044endif 1045 1046ifeq ($(feature-disassembler-init-styled), 1) 1047 CFLAGS += -DDISASM_INIT_STYLED 1048endif 1049 1050ifeq (${IS_64_BIT}, 1) 1051 ifndef NO_PERF_READ_VDSO32 1052 $(call feature_check,compile-32) 1053 ifeq ($(feature-compile-32), 1) 1054 CFLAGS += -DHAVE_PERF_READ_VDSO32 1055 else 1056 NO_PERF_READ_VDSO32 := 1 1057 endif 1058 endif 1059 ifneq ($(SRCARCH), x86) 1060 NO_PERF_READ_VDSOX32 := 1 1061 endif 1062 ifndef NO_PERF_READ_VDSOX32 1063 $(call feature_check,compile-x32) 1064 ifeq ($(feature-compile-x32), 1) 1065 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1066 else 1067 NO_PERF_READ_VDSOX32 := 1 1068 endif 1069 endif 1070else 1071 NO_PERF_READ_VDSO32 := 1 1072 NO_PERF_READ_VDSOX32 := 1 1073endif 1074 1075ifndef NO_LIBBABELTRACE 1076 $(call feature_check,libbabeltrace) 1077 ifeq ($(feature-libbabeltrace), 1) 1078 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS) 1079 LDFLAGS += $(LIBBABELTRACE_LDFLAGS) 1080 EXTLIBS += -lbabeltrace-ctf 1081 $(call detected,CONFIG_LIBBABELTRACE) 1082 else 1083 $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev) 1084 endif 1085endif 1086 1087ifndef NO_CAPSTONE 1088 $(call feature_check,libcapstone) 1089 ifeq ($(feature-libcapstone), 1) 1090 CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LIBCAPSTONE_CFLAGS) 1091 LDFLAGS += $(LICAPSTONE_LDFLAGS) 1092 EXTLIBS += -lcapstone 1093 $(call detected,CONFIG_LIBCAPSTONE) 1094 else 1095 msg := $(warning No libcapstone found, disables disasm engine support for 'perf script', please install libcapstone-dev/capstone-devel); 1096 endif 1097endif 1098 1099ifndef NO_AUXTRACE 1100 ifeq ($(SRCARCH),x86) 1101 ifeq ($(feature-get_cpuid), 0) 1102 $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc) 1103 NO_AUXTRACE := 1 1104 endif 1105 endif 1106 ifndef NO_AUXTRACE 1107 $(call detected,CONFIG_AUXTRACE) 1108 CFLAGS += -DHAVE_AUXTRACE_SUPPORT 1109 ifeq ($(feature-reallocarray), 0) 1110 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 1111 endif 1112 endif 1113endif 1114 1115ifdef EXTRA_TESTS 1116 $(call detected,CONFIG_EXTRA_TESTS) 1117 CFLAGS += -DHAVE_EXTRA_TESTS 1118endif 1119 1120ifndef NO_JVMTI 1121 ifneq (,$(wildcard /usr/sbin/update-java-alternatives)) 1122 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}') 1123 else 1124 ifneq (,$(wildcard /usr/sbin/alternatives)) 1125 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g') 1126 endif 1127 endif 1128 ifndef JDIR 1129 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory) 1130 NO_JVMTI := 1 1131 endif 1132endif 1133 1134ifndef NO_JVMTI 1135 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux 1136 $(call feature_check,jvmti) 1137 ifeq ($(feature-jvmti), 1) 1138 $(call detected_var,JDIR) 1139 ifndef NO_JVMTI_CMLR 1140 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti) 1141 $(call feature_check,jvmti-cmlr) 1142 ifeq ($(feature-jvmti-cmlr), 1) 1143 CFLAGS += -DHAVE_JVMTI_CMLR 1144 endif 1145 endif # NO_JVMTI_CMLR 1146 else 1147 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel) 1148 NO_JVMTI := 1 1149 endif 1150endif 1151 1152ifndef NO_LIBPFM4 1153 $(call feature_check,libpfm4) 1154 ifeq ($(feature-libpfm4), 1) 1155 CFLAGS += -DHAVE_LIBPFM 1156 EXTLIBS += -lpfm 1157 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 1158 $(call detected,CONFIG_LIBPFM4) 1159 else 1160 $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev) 1161 endif 1162endif 1163 1164# libtraceevent is a recommended dependency picked up from the system. 1165ifneq ($(NO_LIBTRACEEVENT),1) 1166 $(call feature_check,libtraceevent) 1167 ifeq ($(feature-libtraceevent), 1) 1168 CFLAGS += -DHAVE_LIBTRACEEVENT 1169 EXTLIBS += -ltraceevent 1170 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent) 1171 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1172 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1173 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1174 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3)) 1175 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP) 1176 $(call detected,CONFIG_LIBTRACEEVENT) 1177 else 1178 $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel or build with NO_LIBTRACEEVENT=1) 1179 endif 1180 1181 $(call feature_check,libtracefs) 1182 ifeq ($(feature-libtracefs), 1) 1183 EXTLIBS += -ltracefs 1184 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs) 1185 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION))) 1186 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION))) 1187 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION))) 1188 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3)) 1189 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP) 1190 endif 1191endif 1192 1193# Among the variables below, these: 1194# perfexecdir 1195# libbpf_include_dir 1196# perf_examples_dir 1197# template_dir 1198# mandir 1199# infodir 1200# htmldir 1201# ETC_PERFCONFIG (but not sysconfdir) 1202# can be specified as a relative path some/where/else; 1203# this is interpreted as relative to $(prefix) and "perf" at 1204# runtime figures out where they are based on the path to the executable. 1205# This can help installing the suite in a relocatable way. 1206 1207# Make the path relative to DESTDIR, not to prefix 1208ifndef DESTDIR 1209prefix ?= $(HOME) 1210endif 1211bindir_relative = bin 1212bindir = $(abspath $(prefix)/$(bindir_relative)) 1213includedir_relative = include 1214includedir = $(abspath $(prefix)/$(includedir_relative)) 1215mandir = share/man 1216infodir = share/info 1217perfexecdir = libexec/perf-core 1218# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance 1219libbpf_include_dir = /usr/include 1220perf_examples_dir = lib/perf/examples 1221sharedir = $(prefix)/share 1222template_dir = share/perf-core/templates 1223STRACE_GROUPS_DIR = share/perf-core/strace/groups 1224htmldir = share/doc/perf-doc 1225tipdir = share/doc/perf-tip 1226srcdir = $(srctree)/tools/perf 1227ifeq ($(prefix),/usr) 1228sysconfdir = /etc 1229ETC_PERFCONFIG = $(sysconfdir)/perfconfig 1230else 1231sysconfdir = $(prefix)/etc 1232ETC_PERFCONFIG = etc/perfconfig 1233endif 1234ifndef lib 1235ifeq ($(SRCARCH)$(IS_64_BIT), x861) 1236lib = lib64 1237else 1238lib = lib 1239endif 1240endif # lib 1241libdir = $(prefix)/$(lib) 1242 1243# Shell quote (do not use $(call) to accommodate ancient setups); 1244ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) 1245STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR)) 1246DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) 1247bindir_SQ = $(subst ','\'',$(bindir)) 1248includedir_SQ = $(subst ','\'',$(includedir)) 1249mandir_SQ = $(subst ','\'',$(mandir)) 1250infodir_SQ = $(subst ','\'',$(infodir)) 1251perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) 1252libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir)) 1253perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir)) 1254template_dir_SQ = $(subst ','\'',$(template_dir)) 1255htmldir_SQ = $(subst ','\'',$(htmldir)) 1256tipdir_SQ = $(subst ','\'',$(tipdir)) 1257prefix_SQ = $(subst ','\'',$(prefix)) 1258sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) 1259libdir_SQ = $(subst ','\'',$(libdir)) 1260srcdir_SQ = $(subst ','\'',$(srcdir)) 1261 1262ifneq ($(filter /%,$(firstword $(perfexecdir))),) 1263perfexec_instdir = $(perfexecdir) 1264perf_include_instdir = $(libbpf_include_dir) 1265perf_examples_instdir = $(perf_examples_dir) 1266STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) 1267tip_instdir = $(tipdir) 1268else 1269perfexec_instdir = $(prefix)/$(perfexecdir) 1270perf_include_instdir = $(prefix)/$(libbpf_include_dir) 1271perf_examples_instdir = $(prefix)/$(perf_examples_dir) 1272STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) 1273tip_instdir = $(prefix)/$(tipdir) 1274endif 1275perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) 1276perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir)) 1277perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir)) 1278STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) 1279tip_instdir_SQ = $(subst ','\'',$(tip_instdir)) 1280 1281export perfexec_instdir_SQ 1282 1283print_var = $(eval $(print_var_code)) $(info $(MSG)) 1284define print_var_code 1285 MSG = $(shell printf '...%40s: %s' $(1) $($(1))) 1286endef 1287 1288ifeq ($(feature_display),1) 1289 $(call feature_display_entries) 1290endif 1291 1292ifeq ($(VF),1) 1293 # Display EXTRA features which are detected manualy 1294 # from here with feature_check call and thus cannot 1295 # be partof global state output. 1296 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG))) 1297 $(call print_var,prefix) 1298 $(call print_var,bindir) 1299 $(call print_var,libdir) 1300 $(call print_var,sysconfdir) 1301 $(call print_var,LIBUNWIND_DIR) 1302 $(call print_var,LIBDW_DIR) 1303 $(call print_var,JDIR) 1304 1305 ifeq ($(dwarf-post-unwind),1) 1306 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG)) 1307 endif 1308endif 1309 1310$(info ) 1311 1312$(call detected_var,bindir_SQ) 1313$(call detected_var,PYTHON_WORD) 1314ifneq ($(OUTPUT),) 1315$(call detected_var,OUTPUT) 1316endif 1317$(call detected_var,htmldir_SQ) 1318$(call detected_var,infodir_SQ) 1319$(call detected_var,mandir_SQ) 1320$(call detected_var,ETC_PERFCONFIG_SQ) 1321$(call detected_var,STRACE_GROUPS_DIR_SQ) 1322$(call detected_var,prefix_SQ) 1323$(call detected_var,perfexecdir_SQ) 1324$(call detected_var,libbpf_include_dir_SQ) 1325$(call detected_var,perf_examples_dir_SQ) 1326$(call detected_var,tipdir_SQ) 1327$(call detected_var,srcdir_SQ) 1328$(call detected_var,LIBDIR) 1329$(call detected_var,GTK_CFLAGS) 1330$(call detected_var,PERL_EMBED_CCOPTS) 1331$(call detected_var,PYTHON_EMBED_CCOPTS) 1332ifneq ($(BISON_FILE_PREFIX_MAP),) 1333$(call detected_var,BISON_FILE_PREFIX_MAP) 1334endif 1335 1336# re-generate FEATURE-DUMP as we may have called feature_check, found out 1337# extra libraries to add to LDFLAGS of some other test and then redo those 1338# tests, see the block about libbfd, disassembler-four-args, for instance. 1339$(shell rm -f $(FEATURE_DUMP_FILENAME)) 1340$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) 1341