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 31NO_PERF_REGS := 1 32 33ifneq ($(NO_SYSCALL_TABLE),1) 34 NO_SYSCALL_TABLE := 1 35 36 ifeq ($(SRCARCH),x86) 37 ifeq (${IS_64_BIT}, 1) 38 NO_SYSCALL_TABLE := 0 39 endif 40 else 41 ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390 mips)) 42 NO_SYSCALL_TABLE := 0 43 endif 44 endif 45 46 ifneq ($(NO_SYSCALL_TABLE),1) 47 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT 48 endif 49endif 50 51# Additional ARCH settings for ppc 52ifeq ($(SRCARCH),powerpc) 53 NO_PERF_REGS := 0 54 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated 55 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64 56endif 57 58# Additional ARCH settings for x86 59ifeq ($(SRCARCH),x86) 60 $(call detected,CONFIG_X86) 61 ifeq (${IS_64_BIT}, 1) 62 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated 63 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S 64 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma 65 $(call detected,CONFIG_X86_64) 66 else 67 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind 68 endif 69 NO_PERF_REGS := 0 70endif 71 72ifeq ($(SRCARCH),arm) 73 NO_PERF_REGS := 0 74 LIBUNWIND_LIBS = -lunwind -lunwind-arm 75endif 76 77ifeq ($(SRCARCH),arm64) 78 NO_PERF_REGS := 0 79 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated 80 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64 81endif 82 83ifeq ($(SRCARCH),riscv) 84 NO_PERF_REGS := 0 85endif 86 87ifeq ($(SRCARCH),csky) 88 NO_PERF_REGS := 0 89endif 90 91ifeq ($(ARCH),s390) 92 NO_PERF_REGS := 0 93 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated 94endif 95 96ifeq ($(ARCH),mips) 97 NO_PERF_REGS := 0 98 CFLAGS += -I$(OUTPUT)arch/mips/include/generated 99 LIBUNWIND_LIBS = -lunwind -lunwind-mips 100endif 101 102ifeq ($(NO_PERF_REGS),0) 103 $(call detected,CONFIG_PERF_REGS) 104endif 105 106# So far there's only x86 and arm libdw unwind support merged in perf. 107# Disable it on all other architectures in case libdw unwind 108# support is detected in system. Add supported architectures 109# to the check. 110ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv)) 111 NO_LIBDW_DWARF_UNWIND := 1 112endif 113 114ifeq ($(LIBUNWIND_LIBS),) 115 NO_LIBUNWIND := 1 116endif 117# 118# For linking with debug library, run like: 119# 120# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/ 121# 122 123libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code)) 124define libunwind_arch_set_flags_code 125 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include 126 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib 127endef 128 129ifdef LIBUNWIND_DIR 130 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include 131 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib 132 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64 133 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch))) 134endif 135 136# Set per-feature check compilation flags 137FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS) 138FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 139FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS) 140FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 141 142FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm 143FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64 144FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86 145FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64 146 147FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto 148 149ifdef CSINCLUDES 150 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES) 151endif 152OPENCSDLIBS := -lopencsd_c_api 153ifeq ($(findstring -static,${LDFLAGS}),-static) 154 OPENCSDLIBS += -lopencsd -lstdc++ 155endif 156ifdef CSLIBS 157 LIBOPENCSD_LDFLAGS := -L$(CSLIBS) 158endif 159FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS) 160FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS) 161 162ifeq ($(NO_PERF_REGS),0) 163 CFLAGS += -DHAVE_PERF_REGS_SUPPORT 164endif 165 166# for linking with debug library, run like: 167# make DEBUG=1 LIBDW_DIR=/opt/libdw/ 168ifdef LIBDW_DIR 169 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include 170 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib 171endif 172DWARFLIBS := -ldw 173ifeq ($(findstring -static,${LDFLAGS}),-static) 174 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2 175endif 176FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS) 177FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS) 178 179# for linking with debug library, run like: 180# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/ 181ifdef LIBBABELTRACE_DIR 182 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include 183 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib 184endif 185FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS) 186FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf 187 188ifdef LIBZSTD_DIR 189 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib 190 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib 191endif 192FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS) 193FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS) 194 195FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi 196# include ARCH specific config 197-include $(src-perf)/arch/$(SRCARCH)/Makefile 198 199ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 200 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 201endif 202 203include $(srctree)/tools/scripts/utilities.mak 204 205ifeq ($(call get-executable,$(FLEX)),) 206 dummy := $(error Error: $(FLEX) is missing on this system, please install it) 207endif 208 209ifeq ($(call get-executable,$(BISON)),) 210 dummy := $(error Error: $(BISON) is missing on this system, please install it) 211endif 212 213ifneq ($(OUTPUT),) 214 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1) 215 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)= 216 endif 217endif 218 219# Treat warnings as errors unless directed not to 220ifneq ($(WERROR),0) 221 CORE_CFLAGS += -Werror 222 CXXFLAGS += -Werror 223 HOSTCFLAGS += -Werror 224endif 225 226ifndef DEBUG 227 DEBUG := 0 228endif 229 230ifeq ($(DEBUG),0) 231CORE_CFLAGS += -DNDEBUG=1 232ifeq ($(CC_NO_CLANG), 0) 233 CORE_CFLAGS += -O3 234else 235 CORE_CFLAGS += -O6 236endif 237endif 238 239ifdef PARSER_DEBUG 240 PARSER_DEBUG_BISON := -t 241 PARSER_DEBUG_FLEX := -d 242 CFLAGS += -DPARSER_DEBUG 243 $(call detected_var,PARSER_DEBUG_BISON) 244 $(call detected_var,PARSER_DEBUG_FLEX) 245endif 246 247# Try different combinations to accommodate systems that only have 248# python[2][3]-config in weird combinations in the following order of 249# priority from lowest to highest: 250# * python2-config as per pep-0394. 251# * python-config 252# * python3-config 253# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't) 254# 255PYTHON_AUTO := python-config 256PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO)) 257PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO)) 258PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO)) 259 260# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user 261# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist. 262ifdef PYTHON 263 ifndef PYTHON_CONFIG 264 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config) 265 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\ 266 $(call $(error $(PYTHON)-config not found))) 267 endif 268endif 269 270# Select either auto detected python and python-config or use user supplied values if they are 271# defined. get-executable-or-default fails with an error if the first argument is supplied but 272# doesn't exist. 273override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO)) 274override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG))) 275 276grep-libs = $(filter -l%,$(1)) 277strip-libs = $(filter-out -l%,$(1)) 278 279PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG)) 280 281# Python 3.8 changed the output of `python-config --ldflags` to not include the 282# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for 283# libpython fails if that flag is not included in LDFLAGS 284ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0) 285 PYTHON_CONFIG_LDFLAGS := --ldflags --embed 286else 287 PYTHON_CONFIG_LDFLAGS := --ldflags 288endif 289 290ifdef PYTHON_CONFIG 291 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null) 292 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS)) 293 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil 294 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null) 295 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS) 296 ifeq ($(CC_NO_CLANG), 0) 297 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS)) 298 endif 299endif 300 301FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS) 302FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS) 303 304FEATURE_CHECK_LDFLAGS-libaio = -lrt 305 306CORE_CFLAGS += -fno-omit-frame-pointer 307CORE_CFLAGS += -ggdb3 308CORE_CFLAGS += -funwind-tables 309CORE_CFLAGS += -Wall 310CORE_CFLAGS += -Wextra 311CORE_CFLAGS += -std=gnu11 312 313CXXFLAGS += -std=gnu++14 -fno-exceptions -fno-rtti 314CXXFLAGS += -Wall 315CXXFLAGS += -fno-omit-frame-pointer 316CXXFLAGS += -ggdb3 317CXXFLAGS += -funwind-tables 318CXXFLAGS += -Wno-strict-aliasing 319 320HOSTCFLAGS += -Wall 321HOSTCFLAGS += -Wextra 322 323# Enforce a non-executable stack, as we may regress (again) in the future by 324# adding assembler files missing the .GNU-stack linker note. 325LDFLAGS += -Wl,-z,noexecstack 326 327EXTLIBS = -lpthread -lrt -lm -ldl 328 329ifneq ($(TCMALLOC),) 330 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free 331 EXTLIBS += -ltcmalloc 332endif 333 334ifeq ($(FEATURES_DUMP),) 335# We will display at the end of this Makefile.config, using $(call feature_display_entries), 336# as we may retry some feature detection here. 337 FEATURE_DISPLAY_DEFERRED := 1 338include $(srctree)/tools/build/Makefile.feature 339else 340include $(FEATURES_DUMP) 341endif 342 343ifeq ($(feature-stackprotector-all), 1) 344 CORE_CFLAGS += -fstack-protector-all 345endif 346 347ifeq ($(DEBUG),0) 348 ifeq ($(feature-fortify-source), 1) 349 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 350 endif 351endif 352 353INC_FLAGS += -I$(src-perf)/util/include 354INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include 355INC_FLAGS += -I$(srctree)/tools/include/ 356INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi 357INC_FLAGS += -I$(srctree)/tools/include/uapi 358INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/ 359INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/ 360 361# $(obj-perf) for generated common-cmds.h 362# $(obj-perf)/util for generated bison/flex headers 363ifneq ($(OUTPUT),) 364INC_FLAGS += -I$(obj-perf)/util 365INC_FLAGS += -I$(obj-perf) 366endif 367 368INC_FLAGS += -I$(src-perf)/util 369INC_FLAGS += -I$(src-perf) 370 371CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE 372 373CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS) 374CXXFLAGS += $(INC_FLAGS) 375 376LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS) 377 378ifeq ($(feature-pthread-attr-setaffinity-np), 1) 379 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP 380endif 381 382ifeq ($(feature-pthread-barrier), 1) 383 CFLAGS += -DHAVE_PTHREAD_BARRIER 384endif 385 386ifndef NO_BIONIC 387 $(call feature_check,bionic) 388 ifeq ($(feature-bionic), 1) 389 BIONIC := 1 390 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE 391 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE 392 EXTLIBS := $(filter-out -lrt,$(EXTLIBS)) 393 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS)) 394 endif 395endif 396 397ifeq ($(feature-eventfd), 1) 398 CFLAGS += -DHAVE_EVENTFD_SUPPORT 399endif 400 401ifeq ($(feature-get_current_dir_name), 1) 402 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME 403endif 404 405ifeq ($(feature-gettid), 1) 406 CFLAGS += -DHAVE_GETTID 407endif 408 409ifeq ($(feature-file-handle), 1) 410 CFLAGS += -DHAVE_FILE_HANDLE 411endif 412 413ifdef NO_LIBELF 414 NO_DWARF := 1 415 NO_LIBUNWIND := 1 416 NO_LIBDW_DWARF_UNWIND := 1 417 NO_LIBBPF := 1 418 NO_JVMTI := 1 419else 420 ifeq ($(feature-libelf), 0) 421 ifeq ($(feature-glibc), 1) 422 LIBC_SUPPORT := 1 423 endif 424 ifeq ($(BIONIC),1) 425 LIBC_SUPPORT := 1 426 endif 427 ifeq ($(LIBC_SUPPORT),1) 428 msg := $(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.) 429 else 430 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),) 431 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0) 432 msg := $(error No libasan found, please install libasan); 433 endif 434 endif 435 436 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),) 437 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0) 438 msg := $(error No libubsan found, please install libubsan); 439 endif 440 endif 441 442 ifneq ($(filter s% -static%,$(LDFLAGS),),) 443 msg := $(error No static glibc found, please install glibc-static); 444 else 445 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]); 446 endif 447 endif 448 else 449 ifndef NO_LIBDW_DWARF_UNWIND 450 ifneq ($(feature-libdw-dwarf-unwind),1) 451 NO_LIBDW_DWARF_UNWIND := 1 452 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR); 453 endif 454 endif 455 ifneq ($(feature-dwarf), 1) 456 ifndef NO_DWARF 457 msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev); 458 NO_DWARF := 1 459 endif 460 else 461 ifneq ($(feature-dwarf_getlocations), 1) 462 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157); 463 else 464 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT 465 endif # dwarf_getlocations 466 endif # Dwarf support 467 endif # libelf support 468endif # NO_LIBELF 469 470ifeq ($(feature-libaio), 1) 471 ifndef NO_AIO 472 CFLAGS += -DHAVE_AIO_SUPPORT 473 endif 474endif 475 476ifdef NO_DWARF 477 NO_LIBDW_DWARF_UNWIND := 1 478endif 479 480ifeq ($(feature-scandirat), 1) 481 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT 482endif 483 484ifeq ($(feature-sched_getcpu), 1) 485 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT 486endif 487 488ifeq ($(feature-setns), 1) 489 CFLAGS += -DHAVE_SETNS_SUPPORT 490 $(call detected,CONFIG_SETNS) 491endif 492 493ifdef CORESIGHT 494 $(call feature_check,libopencsd) 495 ifeq ($(feature-libopencsd), 1) 496 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS) 497 ifeq ($(feature-reallocarray), 0) 498 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 499 endif 500 LDFLAGS += $(LIBOPENCSD_LDFLAGS) 501 EXTLIBS += $(OPENCSDLIBS) 502 $(call detected,CONFIG_LIBOPENCSD) 503 ifdef CSTRACE_RAW 504 CFLAGS += -DCS_DEBUG_RAW 505 ifeq (${CSTRACE_RAW}, packed) 506 CFLAGS += -DCS_RAW_PACKED 507 endif 508 endif 509 else 510 dummy := $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1) 511 endif 512endif 513 514ifndef NO_LIBELF 515 CFLAGS += -DHAVE_LIBELF_SUPPORT 516 EXTLIBS += -lelf 517 $(call detected,CONFIG_LIBELF) 518 519 ifeq ($(feature-libelf-getphdrnum), 1) 520 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT 521 endif 522 523 ifeq ($(feature-libelf-gelf_getnote), 1) 524 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT 525 else 526 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled); 527 endif 528 529 ifeq ($(feature-libelf-getshdrstrndx), 1) 530 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT 531 endif 532 533 ifndef NO_LIBDEBUGINFOD 534 $(call feature_check,libdebuginfod) 535 ifeq ($(feature-libdebuginfod), 1) 536 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT 537 EXTLIBS += -ldebuginfod 538 endif 539 endif 540 541 ifndef NO_DWARF 542 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined) 543 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled); 544 NO_DWARF := 1 545 else 546 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS) 547 LDFLAGS += $(LIBDW_LDFLAGS) 548 EXTLIBS += ${DWARFLIBS} 549 $(call detected,CONFIG_DWARF) 550 endif # PERF_HAVE_DWARF_REGS 551 endif # NO_DWARF 552 553 ifndef NO_LIBBPF 554 ifeq ($(feature-bpf), 1) 555 CFLAGS += -DHAVE_LIBBPF_SUPPORT 556 $(call detected,CONFIG_LIBBPF) 557 558 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status 559 $(call feature_check,libbpf) 560 561 ifdef LIBBPF_DYNAMIC 562 ifeq ($(feature-libbpf), 1) 563 EXTLIBS += -lbpf 564 $(call detected,CONFIG_LIBBPF_DYNAMIC) 565 else 566 dummy := $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel); 567 endif 568 else 569 # Libbpf will be built as a static library from tools/lib/bpf. 570 LIBBPF_STATIC := 1 571 endif 572 endif 573 574 ifndef NO_DWARF 575 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 576 CFLAGS += -DHAVE_BPF_PROLOGUE 577 $(call detected,CONFIG_BPF_PROLOGUE) 578 else 579 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset()); 580 endif 581 else 582 msg := $(warning DWARF support is off, BPF prologue is disabled); 583 endif 584 585 endif # NO_LIBBPF 586endif # NO_LIBELF 587 588ifndef NO_SDT 589 ifneq ($(feature-sdt), 1) 590 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev); 591 NO_SDT := 1; 592 else 593 CFLAGS += -DHAVE_SDT_EVENT 594 $(call detected,CONFIG_SDT_EVENT) 595 endif 596endif 597 598ifdef PERF_HAVE_JITDUMP 599 ifndef NO_LIBELF 600 $(call detected,CONFIG_JITDUMP) 601 CFLAGS += -DHAVE_JITDUMP 602 endif 603endif 604 605ifeq ($(SRCARCH),powerpc) 606 ifndef NO_DWARF 607 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX 608 endif 609endif 610 611ifndef NO_LIBUNWIND 612 have_libunwind := 613 614 $(call feature_check,libunwind-x86) 615 ifeq ($(feature-libunwind-x86), 1) 616 $(call detected,CONFIG_LIBUNWIND_X86) 617 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT 618 LDFLAGS += -lunwind-x86 619 EXTLIBS_LIBUNWIND += -lunwind-x86 620 have_libunwind = 1 621 endif 622 623 $(call feature_check,libunwind-aarch64) 624 ifeq ($(feature-libunwind-aarch64), 1) 625 $(call detected,CONFIG_LIBUNWIND_AARCH64) 626 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT 627 LDFLAGS += -lunwind-aarch64 628 EXTLIBS_LIBUNWIND += -lunwind-aarch64 629 have_libunwind = 1 630 $(call feature_check,libunwind-debug-frame-aarch64) 631 ifneq ($(feature-libunwind-debug-frame-aarch64), 1) 632 msg := $(warning No debug_frame support found in libunwind-aarch64); 633 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64 634 endif 635 endif 636 637 ifneq ($(feature-libunwind), 1) 638 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR); 639 NO_LOCAL_LIBUNWIND := 1 640 else 641 have_libunwind := 1 642 $(call detected,CONFIG_LOCAL_LIBUNWIND) 643 endif 644 645 ifneq ($(have_libunwind), 1) 646 NO_LIBUNWIND := 1 647 endif 648else 649 NO_LOCAL_LIBUNWIND := 1 650endif 651 652ifndef NO_LIBBPF 653 ifneq ($(feature-bpf), 1) 654 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) 655 NO_LIBBPF := 1 656 endif 657endif 658 659ifdef BUILD_BPF_SKEL 660 $(call feature_check,clang-bpf-co-re) 661 ifeq ($(feature-clang-bpf-co-re), 0) 662 dummy := $(error Error: clang too old/not installed. Please install recent clang to build with BUILD_BPF_SKEL) 663 endif 664 ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) 665 dummy := $(error Error: BPF skeleton support requires libbpf) 666 endif 667 $(call detected,CONFIG_PERF_BPF_SKEL) 668 CFLAGS += -DHAVE_BPF_SKEL 669endif 670 671dwarf-post-unwind := 1 672dwarf-post-unwind-text := BUG 673 674# setup DWARF post unwinder 675ifdef NO_LIBUNWIND 676 ifdef NO_LIBDW_DWARF_UNWIND 677 msg := $(warning Disabling post unwind, no support found.); 678 dwarf-post-unwind := 0 679 else 680 dwarf-post-unwind-text := libdw 681 $(call detected,CONFIG_LIBDW_DWARF_UNWIND) 682 endif 683else 684 dwarf-post-unwind-text := libunwind 685 $(call detected,CONFIG_LIBUNWIND) 686 # Enable libunwind support by default. 687 ifndef NO_LIBDW_DWARF_UNWIND 688 NO_LIBDW_DWARF_UNWIND := 1 689 endif 690endif 691 692ifeq ($(dwarf-post-unwind),1) 693 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT 694 $(call detected,CONFIG_DWARF_UNWIND) 695else 696 NO_DWARF_UNWIND := 1 697endif 698 699ifndef NO_LOCAL_LIBUNWIND 700 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64)) 701 $(call feature_check,libunwind-debug-frame) 702 ifneq ($(feature-libunwind-debug-frame), 1) 703 msg := $(warning No debug_frame support found in libunwind); 704 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 705 endif 706 else 707 # non-ARM has no dwarf_find_debug_frame() function: 708 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 709 endif 710 EXTLIBS += $(LIBUNWIND_LIBS) 711 LDFLAGS += $(LIBUNWIND_LIBS) 712endif 713ifeq ($(findstring -static,${LDFLAGS}),-static) 714 # gcc -static links libgcc_eh which contans piece of libunwind 715 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition 716endif 717 718ifndef NO_LIBUNWIND 719 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT 720 CFLAGS += $(LIBUNWIND_CFLAGS) 721 LDFLAGS += $(LIBUNWIND_LDFLAGS) 722 EXTLIBS += $(EXTLIBS_LIBUNWIND) 723endif 724 725ifneq ($(NO_LIBTRACEEVENT),1) 726 ifeq ($(NO_SYSCALL_TABLE),0) 727 $(call detected,CONFIG_TRACE) 728 else 729 ifndef NO_LIBAUDIT 730 $(call feature_check,libaudit) 731 ifneq ($(feature-libaudit), 1) 732 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev); 733 NO_LIBAUDIT := 1 734 else 735 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT 736 EXTLIBS += -laudit 737 $(call detected,CONFIG_TRACE) 738 endif 739 endif 740 endif 741endif 742 743ifndef NO_LIBCRYPTO 744 ifneq ($(feature-libcrypto), 1) 745 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev); 746 NO_LIBCRYPTO := 1 747 else 748 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT 749 EXTLIBS += -lcrypto 750 $(call detected,CONFIG_CRYPTO) 751 endif 752endif 753 754ifndef NO_SLANG 755 ifneq ($(feature-libslang), 1) 756 ifneq ($(feature-libslang-include-subdir), 1) 757 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev); 758 NO_SLANG := 1 759 else 760 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR 761 endif 762 endif 763 ifndef NO_SLANG 764 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h 765 CFLAGS += -DHAVE_SLANG_SUPPORT 766 EXTLIBS += -lslang 767 $(call detected,CONFIG_SLANG) 768 endif 769endif 770 771ifdef GTK2 772 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) 773 $(call feature_check,gtk2) 774 ifneq ($(feature-gtk2), 1) 775 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev); 776 NO_GTK2 := 1 777 else 778 $(call feature_check,gtk2-infobar) 779 ifeq ($(feature-gtk2-infobar), 1) 780 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT 781 endif 782 CFLAGS += -DHAVE_GTK2_SUPPORT 783 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) 784 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) 785 EXTLIBS += -ldl 786 endif 787endif 788 789ifdef NO_LIBPERL 790 CFLAGS += -DNO_LIBPERL 791else 792 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) 793 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) 794 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) 795 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) 796 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) 797 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) 798 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 799 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) 800 801 ifneq ($(feature-libperl), 1) 802 CFLAGS += -DNO_LIBPERL 803 NO_LIBPERL := 1 804 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev); 805 else 806 LDFLAGS += $(PERL_EMBED_LDFLAGS) 807 EXTLIBS += $(PERL_EMBED_LIBADD) 808 CFLAGS += -DHAVE_LIBPERL_SUPPORT 809 ifeq ($(CC_NO_CLANG), 0) 810 CFLAGS += -Wno-compound-token-split-by-macro 811 endif 812 $(call detected,CONFIG_LIBPERL) 813 endif 814endif 815 816ifeq ($(feature-timerfd), 1) 817 CFLAGS += -DHAVE_TIMERFD_SUPPORT 818else 819 msg := $(warning No timerfd support. Disables 'perf kvm stat live'); 820endif 821 822disable-python = $(eval $(disable-python_code)) 823define disable-python_code 824 CFLAGS += -DNO_LIBPYTHON 825 $(warning $1) 826 NO_LIBPYTHON := 1 827endef 828 829PYTHON_EXTENSION_SUFFIX := '.so' 830ifdef NO_LIBPYTHON 831 $(call disable-python,Python support disabled by user) 832else 833 834 ifndef PYTHON 835 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev) 836 else 837 PYTHON_WORD := $(call shell-wordify,$(PYTHON)) 838 839 ifndef PYTHON_CONFIG 840 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) 841 else 842 843 ifneq ($(feature-libpython), 1) 844 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev) 845 else 846 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 847 EXTLIBS += $(PYTHON_EMBED_LIBADD) 848 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no") 849 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes) 850 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])') 851 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX) 852 else 853 msg := $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent); 854 endif 855 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT 856 $(call detected,CONFIG_LIBPYTHON) 857 endif 858 endif 859 endif 860endif 861 862ifneq ($(NO_JEVENTS),1) 863 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),) 864 NO_JEVENTS := 1 865 endif 866endif 867ifneq ($(NO_JEVENTS),1) 868 NO_JEVENTS := 0 869 ifndef PYTHON 870 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.) 871 else 872 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016. 873 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) 874 ifneq ($(JEVENTS_PYTHON_GOOD), 1) 875 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.) 876 endif 877 endif 878endif 879 880ifdef BUILD_NONDISTRO 881 ifeq ($(feature-libbfd), 1) 882 EXTLIBS += -lbfd -lopcodes 883 else 884 # we are on a system that requires -liberty and (maybe) -lz 885 # to link against -lbfd; test each case individually here 886 887 # call all detections now so we get correct 888 # status in VF output 889 $(call feature_check,libbfd-liberty) 890 $(call feature_check,libbfd-liberty-z) 891 892 ifeq ($(feature-libbfd-liberty), 1) 893 EXTLIBS += -lbfd -lopcodes -liberty 894 else 895 ifeq ($(feature-libbfd-liberty-z), 1) 896 EXTLIBS += -lbfd -lopcodes -liberty -lz 897 endif 898 endif 899 $(call feature_check,disassembler-four-args) 900 $(call feature_check,disassembler-init-styled) 901 endif 902 903 CFLAGS += -DHAVE_LIBBFD_SUPPORT 904 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT 905 ifeq ($(feature-libbfd-buildid), 1) 906 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT 907 else 908 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available); 909 endif 910endif 911 912ifndef NO_DEMANGLE 913 $(call feature_check,cxa-demangle) 914 ifeq ($(feature-cxa-demangle), 1) 915 EXTLIBS += -lstdc++ 916 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 917 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 918 endif 919 ifdef BUILD_NONDISTRO 920 ifeq ($(filter -liberty,$(EXTLIBS)),) 921 $(call feature_check,cplus-demangle) 922 ifeq ($(feature-cplus-demangle), 1) 923 EXTLIBS += -liberty 924 endif 925 endif 926 ifneq ($(filter -liberty,$(EXTLIBS)),) 927 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 928 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 929 endif 930 endif 931endif 932 933ifndef NO_ZLIB 934 ifeq ($(feature-zlib), 1) 935 CFLAGS += -DHAVE_ZLIB_SUPPORT 936 EXTLIBS += -lz 937 $(call detected,CONFIG_ZLIB) 938 else 939 NO_ZLIB := 1 940 endif 941endif 942 943ifndef NO_LZMA 944 ifeq ($(feature-lzma), 1) 945 CFLAGS += -DHAVE_LZMA_SUPPORT 946 EXTLIBS += -llzma 947 $(call detected,CONFIG_LZMA) 948 else 949 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev); 950 NO_LZMA := 1 951 endif 952endif 953 954ifndef NO_LIBZSTD 955 ifeq ($(feature-libzstd), 1) 956 CFLAGS += -DHAVE_ZSTD_SUPPORT 957 CFLAGS += $(LIBZSTD_CFLAGS) 958 LDFLAGS += $(LIBZSTD_LDFLAGS) 959 EXTLIBS += -lzstd 960 $(call detected,CONFIG_ZSTD) 961 else 962 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR); 963 NO_LIBZSTD := 1 964 endif 965endif 966 967ifndef NO_LIBCAP 968 ifeq ($(feature-libcap), 1) 969 CFLAGS += -DHAVE_LIBCAP_SUPPORT 970 EXTLIBS += -lcap 971 $(call detected,CONFIG_LIBCAP) 972 else 973 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev); 974 NO_LIBCAP := 1 975 endif 976endif 977 978ifndef NO_BACKTRACE 979 ifeq ($(feature-backtrace), 1) 980 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 981 endif 982endif 983 984ifndef NO_LIBNUMA 985 ifeq ($(feature-libnuma), 0) 986 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev); 987 NO_LIBNUMA := 1 988 else 989 ifeq ($(feature-numa_num_possible_cpus), 0) 990 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8); 991 NO_LIBNUMA := 1 992 else 993 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 994 EXTLIBS += -lnuma 995 $(call detected,CONFIG_NUMA) 996 endif 997 endif 998endif 999 1000ifdef HAVE_KVM_STAT_SUPPORT 1001 CFLAGS += -DHAVE_KVM_STAT_SUPPORT 1002endif 1003 1004ifeq ($(feature-disassembler-four-args), 1) 1005 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 1006endif 1007 1008ifeq ($(feature-disassembler-init-styled), 1) 1009 CFLAGS += -DDISASM_INIT_STYLED 1010endif 1011 1012ifeq (${IS_64_BIT}, 1) 1013 ifndef NO_PERF_READ_VDSO32 1014 $(call feature_check,compile-32) 1015 ifeq ($(feature-compile-32), 1) 1016 CFLAGS += -DHAVE_PERF_READ_VDSO32 1017 else 1018 NO_PERF_READ_VDSO32 := 1 1019 endif 1020 endif 1021 ifneq ($(SRCARCH), x86) 1022 NO_PERF_READ_VDSOX32 := 1 1023 endif 1024 ifndef NO_PERF_READ_VDSOX32 1025 $(call feature_check,compile-x32) 1026 ifeq ($(feature-compile-x32), 1) 1027 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1028 else 1029 NO_PERF_READ_VDSOX32 := 1 1030 endif 1031 endif 1032else 1033 NO_PERF_READ_VDSO32 := 1 1034 NO_PERF_READ_VDSOX32 := 1 1035endif 1036 1037ifndef NO_LIBBABELTRACE 1038 $(call feature_check,libbabeltrace) 1039 ifeq ($(feature-libbabeltrace), 1) 1040 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS) 1041 LDFLAGS += $(LIBBABELTRACE_LDFLAGS) 1042 EXTLIBS += -lbabeltrace-ctf 1043 $(call detected,CONFIG_LIBBABELTRACE) 1044 else 1045 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev); 1046 endif 1047endif 1048 1049ifndef NO_AUXTRACE 1050 ifeq ($(SRCARCH),x86) 1051 ifeq ($(feature-get_cpuid), 0) 1052 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc); 1053 NO_AUXTRACE := 1 1054 endif 1055 endif 1056 ifndef NO_AUXTRACE 1057 $(call detected,CONFIG_AUXTRACE) 1058 CFLAGS += -DHAVE_AUXTRACE_SUPPORT 1059 ifeq ($(feature-reallocarray), 0) 1060 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 1061 endif 1062 endif 1063endif 1064 1065ifndef NO_JVMTI 1066 ifneq (,$(wildcard /usr/sbin/update-java-alternatives)) 1067 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}') 1068 else 1069 ifneq (,$(wildcard /usr/sbin/alternatives)) 1070 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g') 1071 endif 1072 endif 1073 ifndef JDIR 1074 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory) 1075 NO_JVMTI := 1 1076 endif 1077endif 1078 1079ifndef NO_JVMTI 1080 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux 1081 $(call feature_check,jvmti) 1082 ifeq ($(feature-jvmti), 1) 1083 $(call detected_var,JDIR) 1084 ifndef NO_JVMTI_CMLR 1085 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti) 1086 $(call feature_check,jvmti-cmlr) 1087 ifeq ($(feature-jvmti-cmlr), 1) 1088 CFLAGS += -DHAVE_JVMTI_CMLR 1089 endif 1090 endif # NO_JVMTI_CMLR 1091 else 1092 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel) 1093 NO_JVMTI := 1 1094 endif 1095endif 1096 1097USE_CXX = 0 1098USE_CLANGLLVM = 0 1099ifdef LIBCLANGLLVM 1100 $(call feature_check,cxx) 1101 ifneq ($(feature-cxx), 1) 1102 msg := $(warning No g++ found, disable clang and llvm support. Please install g++) 1103 else 1104 $(call feature_check,llvm) 1105 $(call feature_check,llvm-version) 1106 ifneq ($(feature-llvm), 1) 1107 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0)) 1108 else 1109 $(call feature_check,clang) 1110 ifneq ($(feature-clang), 1) 1111 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0)) 1112 else 1113 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT 1114 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir) 1115 $(call detected,CONFIG_CXX) 1116 $(call detected,CONFIG_CLANGLLVM) 1117 USE_CXX = 1 1118 USE_LLVM = 1 1119 USE_CLANG = 1 1120 ifneq ($(feature-llvm-version),1) 1121 msg := $(warning This version of LLVM is not tested. May cause build errors) 1122 endif 1123 endif 1124 endif 1125 endif 1126endif 1127 1128ifndef NO_LIBPFM4 1129 $(call feature_check,libpfm4) 1130 ifeq ($(feature-libpfm4), 1) 1131 CFLAGS += -DHAVE_LIBPFM 1132 EXTLIBS += -lpfm 1133 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 1134 $(call detected,CONFIG_LIBPFM4) 1135 else 1136 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev); 1137 endif 1138endif 1139 1140# libtraceevent is a recommended dependency picked up from the system. 1141ifneq ($(NO_LIBTRACEEVENT),1) 1142 $(call feature_check,libtraceevent) 1143 ifeq ($(feature-libtraceevent), 1) 1144 CFLAGS += -DHAVE_LIBTRACEEVENT 1145 EXTLIBS += -ltraceevent 1146 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent) 1147 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1148 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1149 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1150 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3)) 1151 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP) 1152 $(call detected,CONFIG_LIBTRACEEVENT) 1153 else 1154 dummy := $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel or build with NO_LIBTRACEEVENT=1) 1155 endif 1156 1157 $(call feature_check,libtracefs) 1158 ifeq ($(feature-libtracefs), 1) 1159 EXTLIBS += -ltracefs 1160 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs) 1161 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION))) 1162 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION))) 1163 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION))) 1164 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3)) 1165 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP) 1166 endif 1167endif 1168 1169# Among the variables below, these: 1170# perfexecdir 1171# libbpf_include_dir 1172# perf_examples_dir 1173# template_dir 1174# mandir 1175# infodir 1176# htmldir 1177# ETC_PERFCONFIG (but not sysconfdir) 1178# can be specified as a relative path some/where/else; 1179# this is interpreted as relative to $(prefix) and "perf" at 1180# runtime figures out where they are based on the path to the executable. 1181# This can help installing the suite in a relocatable way. 1182 1183# Make the path relative to DESTDIR, not to prefix 1184ifndef DESTDIR 1185prefix ?= $(HOME) 1186endif 1187bindir_relative = bin 1188bindir = $(abspath $(prefix)/$(bindir_relative)) 1189includedir_relative = include 1190includedir = $(abspath $(prefix)/$(includedir_relative)) 1191mandir = share/man 1192infodir = share/info 1193perfexecdir = libexec/perf-core 1194# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance 1195libbpf_include_dir = /usr/include 1196perf_examples_dir = lib/perf/examples 1197sharedir = $(prefix)/share 1198template_dir = share/perf-core/templates 1199STRACE_GROUPS_DIR = share/perf-core/strace/groups 1200htmldir = share/doc/perf-doc 1201tipdir = share/doc/perf-tip 1202srcdir = $(srctree)/tools/perf 1203ifeq ($(prefix),/usr) 1204sysconfdir = /etc 1205ETC_PERFCONFIG = $(sysconfdir)/perfconfig 1206else 1207sysconfdir = $(prefix)/etc 1208ETC_PERFCONFIG = etc/perfconfig 1209endif 1210ifndef lib 1211ifeq ($(SRCARCH)$(IS_64_BIT), x861) 1212lib = lib64 1213else 1214lib = lib 1215endif 1216endif # lib 1217libdir = $(prefix)/$(lib) 1218 1219# Shell quote (do not use $(call) to accommodate ancient setups); 1220ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) 1221STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR)) 1222DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) 1223bindir_SQ = $(subst ','\'',$(bindir)) 1224includedir_SQ = $(subst ','\'',$(includedir)) 1225mandir_SQ = $(subst ','\'',$(mandir)) 1226infodir_SQ = $(subst ','\'',$(infodir)) 1227perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) 1228libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir)) 1229perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir)) 1230template_dir_SQ = $(subst ','\'',$(template_dir)) 1231htmldir_SQ = $(subst ','\'',$(htmldir)) 1232tipdir_SQ = $(subst ','\'',$(tipdir)) 1233prefix_SQ = $(subst ','\'',$(prefix)) 1234sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) 1235libdir_SQ = $(subst ','\'',$(libdir)) 1236srcdir_SQ = $(subst ','\'',$(srcdir)) 1237 1238ifneq ($(filter /%,$(firstword $(perfexecdir))),) 1239perfexec_instdir = $(perfexecdir) 1240perf_include_instdir = $(libbpf_include_dir) 1241perf_examples_instdir = $(perf_examples_dir) 1242STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) 1243tip_instdir = $(tipdir) 1244else 1245perfexec_instdir = $(prefix)/$(perfexecdir) 1246perf_include_instdir = $(prefix)/$(libbpf_include_dir) 1247perf_examples_instdir = $(prefix)/$(perf_examples_dir) 1248STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) 1249tip_instdir = $(prefix)/$(tipdir) 1250endif 1251perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) 1252perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir)) 1253perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir)) 1254STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) 1255tip_instdir_SQ = $(subst ','\'',$(tip_instdir)) 1256 1257export perfexec_instdir_SQ 1258 1259print_var = $(eval $(print_var_code)) $(info $(MSG)) 1260define print_var_code 1261 MSG = $(shell printf '...%40s: %s' $(1) $($(1))) 1262endef 1263 1264ifeq ($(feature_display),1) 1265 $(call feature_display_entries) 1266endif 1267 1268ifeq ($(VF),1) 1269 # Display EXTRA features which are detected manualy 1270 # from here with feature_check call and thus cannot 1271 # be partof global state output. 1272 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG))) 1273 $(call print_var,prefix) 1274 $(call print_var,bindir) 1275 $(call print_var,libdir) 1276 $(call print_var,sysconfdir) 1277 $(call print_var,LIBUNWIND_DIR) 1278 $(call print_var,LIBDW_DIR) 1279 $(call print_var,JDIR) 1280 1281 ifeq ($(dwarf-post-unwind),1) 1282 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG)) 1283 endif 1284endif 1285 1286$(info ) 1287 1288$(call detected_var,bindir_SQ) 1289$(call detected_var,PYTHON_WORD) 1290ifneq ($(OUTPUT),) 1291$(call detected_var,OUTPUT) 1292endif 1293$(call detected_var,htmldir_SQ) 1294$(call detected_var,infodir_SQ) 1295$(call detected_var,mandir_SQ) 1296$(call detected_var,ETC_PERFCONFIG_SQ) 1297$(call detected_var,STRACE_GROUPS_DIR_SQ) 1298$(call detected_var,prefix_SQ) 1299$(call detected_var,perfexecdir_SQ) 1300$(call detected_var,libbpf_include_dir_SQ) 1301$(call detected_var,perf_examples_dir_SQ) 1302$(call detected_var,tipdir_SQ) 1303$(call detected_var,srcdir_SQ) 1304$(call detected_var,LIBDIR) 1305$(call detected_var,GTK_CFLAGS) 1306$(call detected_var,PERL_EMBED_CCOPTS) 1307$(call detected_var,PYTHON_EMBED_CCOPTS) 1308ifneq ($(BISON_FILE_PREFIX_MAP),) 1309$(call detected_var,BISON_FILE_PREFIX_MAP) 1310endif 1311 1312# re-generate FEATURE-DUMP as we may have called feature_check, found out 1313# extra libraries to add to LDFLAGS of some other test and then redo those 1314# tests. 1315$(shell rm -f $(FEATURE_DUMP_FILENAME)) 1316$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) 1317