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 $(SRCARCH),powerpc arm64 s390 mips loongarch)) 42 NO_SYSCALL_TABLE := 0 43 endif 44 endif 45 46 ifneq ($(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 ($(SRCARCH),loongarch) 84 NO_PERF_REGS := 0 85 CFLAGS += -I$(OUTPUT)arch/loongarch/include/generated 86 LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64 87endif 88 89ifeq ($(SRCARCH),riscv) 90 NO_PERF_REGS := 0 91endif 92 93ifeq ($(SRCARCH),csky) 94 NO_PERF_REGS := 0 95endif 96 97ifeq ($(ARCH),s390) 98 NO_PERF_REGS := 0 99 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated 100endif 101 102ifeq ($(ARCH),mips) 103 NO_PERF_REGS := 0 104 CFLAGS += -I$(OUTPUT)arch/mips/include/generated 105 LIBUNWIND_LIBS = -lunwind -lunwind-mips 106endif 107 108ifeq ($(NO_PERF_REGS),0) 109 $(call detected,CONFIG_PERF_REGS) 110endif 111 112# So far there's only x86 and arm libdw unwind support merged in perf. 113# Disable it on all other architectures in case libdw unwind 114# support is detected in system. Add supported architectures 115# to the check. 116ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv loongarch)) 117 NO_LIBDW_DWARF_UNWIND := 1 118endif 119 120ifeq ($(LIBUNWIND_LIBS),) 121 NO_LIBUNWIND := 1 122endif 123# 124# For linking with debug library, run like: 125# 126# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/ 127# 128 129libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code)) 130define libunwind_arch_set_flags_code 131 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include 132 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib 133endef 134 135ifdef LIBUNWIND_DIR 136 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include 137 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib 138 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64 loongarch 139 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch))) 140endif 141 142# Set per-feature check compilation flags 143FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS) 144FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 145FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS) 146FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 147 148FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm 149FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64 150FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86 151FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64 152 153FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto 154 155ifdef CSINCLUDES 156 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES) 157endif 158OPENCSDLIBS := -lopencsd_c_api 159ifeq ($(findstring -static,${LDFLAGS}),-static) 160 OPENCSDLIBS += -lopencsd -lstdc++ 161endif 162ifdef CSLIBS 163 LIBOPENCSD_LDFLAGS := -L$(CSLIBS) 164endif 165FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS) 166FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS) 167 168ifeq ($(NO_PERF_REGS),0) 169 CFLAGS += -DHAVE_PERF_REGS_SUPPORT 170endif 171 172# for linking with debug library, run like: 173# make DEBUG=1 LIBDW_DIR=/opt/libdw/ 174ifdef LIBDW_DIR 175 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include 176 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib 177endif 178DWARFLIBS := -ldw 179ifeq ($(findstring -static,${LDFLAGS}),-static) 180 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2 181endif 182FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS) 183FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS) 184 185# for linking with debug library, run like: 186# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/ 187ifdef LIBBABELTRACE_DIR 188 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include 189 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib 190endif 191FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS) 192FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf 193 194ifdef LIBZSTD_DIR 195 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib 196 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib 197endif 198FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS) 199FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS) 200 201FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi 202# include ARCH specific config 203-include $(src-perf)/arch/$(SRCARCH)/Makefile 204 205ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 206 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 207endif 208 209include $(srctree)/tools/scripts/utilities.mak 210 211ifeq ($(call get-executable,$(FLEX)),) 212 dummy := $(error Error: $(FLEX) is missing on this system, please install it) 213endif 214 215ifeq ($(call get-executable,$(BISON)),) 216 dummy := $(error Error: $(BISON) is missing on this system, please install it) 217endif 218 219ifeq ($(BUILD_BPF_SKEL),1) 220 ifeq ($(call get-executable,$(CLANG)),) 221 dummy := $(error $(CLANG) is missing on this system, please install it to be able to build with BUILD_BPF_SKEL=1) 222 endif 223endif 224 225ifneq ($(OUTPUT),) 226 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1) 227 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)= 228 endif 229endif 230 231# Treat warnings as errors unless directed not to 232ifneq ($(WERROR),0) 233 CORE_CFLAGS += -Werror 234 CXXFLAGS += -Werror 235 HOSTCFLAGS += -Werror 236endif 237 238ifndef DEBUG 239 DEBUG := 0 240endif 241 242ifeq ($(DEBUG),0) 243CORE_CFLAGS += -DNDEBUG=1 244ifeq ($(CC_NO_CLANG), 0) 245 CORE_CFLAGS += -O3 246else 247 CORE_CFLAGS += -O6 248endif 249endif 250 251ifdef PARSER_DEBUG 252 PARSER_DEBUG_BISON := -t 253 PARSER_DEBUG_FLEX := -d 254 CFLAGS += -DPARSER_DEBUG 255 $(call detected_var,PARSER_DEBUG_BISON) 256 $(call detected_var,PARSER_DEBUG_FLEX) 257endif 258 259# Try different combinations to accommodate systems that only have 260# python[2][3]-config in weird combinations in the following order of 261# priority from lowest to highest: 262# * python2-config as per pep-0394. 263# * python-config 264# * python3-config 265# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't) 266# 267PYTHON_AUTO := python-config 268PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO)) 269PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO)) 270PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO)) 271 272# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user 273# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist. 274ifdef PYTHON 275 ifndef PYTHON_CONFIG 276 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config) 277 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\ 278 $(call $(error $(PYTHON)-config not found))) 279 endif 280endif 281 282# Select either auto detected python and python-config or use user supplied values if they are 283# defined. get-executable-or-default fails with an error if the first argument is supplied but 284# doesn't exist. 285override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO)) 286override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG))) 287 288grep-libs = $(filter -l%,$(1)) 289strip-libs = $(filter-out -l%,$(1)) 290 291PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG)) 292 293# Python 3.8 changed the output of `python-config --ldflags` to not include the 294# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for 295# libpython fails if that flag is not included in LDFLAGS 296ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0) 297 PYTHON_CONFIG_LDFLAGS := --ldflags --embed 298else 299 PYTHON_CONFIG_LDFLAGS := --ldflags 300endif 301 302ifdef PYTHON_CONFIG 303 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null) 304 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS)) 305 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil 306 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null) 307 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS) 308 ifeq ($(CC_NO_CLANG), 0) 309 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS)) 310 endif 311endif 312 313FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS) 314FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS) 315 316FEATURE_CHECK_LDFLAGS-libaio = -lrt 317 318CORE_CFLAGS += -fno-omit-frame-pointer 319CORE_CFLAGS += -ggdb3 320CORE_CFLAGS += -funwind-tables 321CORE_CFLAGS += -Wall 322CORE_CFLAGS += -Wextra 323CORE_CFLAGS += -std=gnu11 324 325CXXFLAGS += -std=gnu++14 -fno-exceptions -fno-rtti 326CXXFLAGS += -Wall 327CXXFLAGS += -fno-omit-frame-pointer 328CXXFLAGS += -ggdb3 329CXXFLAGS += -funwind-tables 330CXXFLAGS += -Wno-strict-aliasing 331 332HOSTCFLAGS += -Wall 333HOSTCFLAGS += -Wextra 334 335# Enforce a non-executable stack, as we may regress (again) in the future by 336# adding assembler files missing the .GNU-stack linker note. 337LDFLAGS += -Wl,-z,noexecstack 338 339EXTLIBS = -lpthread -lrt -lm -ldl 340 341ifneq ($(TCMALLOC),) 342 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free 343 EXTLIBS += -ltcmalloc 344endif 345 346ifeq ($(FEATURES_DUMP),) 347# We will display at the end of this Makefile.config, using $(call feature_display_entries), 348# as we may retry some feature detection here. 349 FEATURE_DISPLAY_DEFERRED := 1 350include $(srctree)/tools/build/Makefile.feature 351else 352include $(FEATURES_DUMP) 353endif 354 355ifeq ($(feature-stackprotector-all), 1) 356 CORE_CFLAGS += -fstack-protector-all 357endif 358 359ifeq ($(DEBUG),0) 360 ifeq ($(feature-fortify-source), 1) 361 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 362 endif 363endif 364 365INC_FLAGS += -I$(src-perf)/util/include 366INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include 367INC_FLAGS += -I$(srctree)/tools/include/ 368INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi 369INC_FLAGS += -I$(srctree)/tools/include/uapi 370INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/ 371INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/ 372 373# $(obj-perf) for generated common-cmds.h 374# $(obj-perf)/util for generated bison/flex headers 375ifneq ($(OUTPUT),) 376INC_FLAGS += -I$(obj-perf)/util 377INC_FLAGS += -I$(obj-perf) 378endif 379 380INC_FLAGS += -I$(src-perf)/util 381INC_FLAGS += -I$(src-perf) 382 383CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE 384 385CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS) 386CXXFLAGS += $(INC_FLAGS) 387 388LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS) 389 390ifeq ($(feature-pthread-attr-setaffinity-np), 1) 391 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP 392endif 393 394ifeq ($(feature-pthread-barrier), 1) 395 CFLAGS += -DHAVE_PTHREAD_BARRIER 396endif 397 398ifndef NO_BIONIC 399 $(call feature_check,bionic) 400 ifeq ($(feature-bionic), 1) 401 BIONIC := 1 402 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE 403 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE 404 EXTLIBS := $(filter-out -lrt,$(EXTLIBS)) 405 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS)) 406 endif 407endif 408 409ifeq ($(feature-eventfd), 1) 410 CFLAGS += -DHAVE_EVENTFD_SUPPORT 411endif 412 413ifeq ($(feature-get_current_dir_name), 1) 414 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME 415endif 416 417ifeq ($(feature-gettid), 1) 418 CFLAGS += -DHAVE_GETTID 419endif 420 421ifeq ($(feature-file-handle), 1) 422 CFLAGS += -DHAVE_FILE_HANDLE 423endif 424 425ifdef NO_LIBELF 426 NO_DWARF := 1 427 NO_LIBUNWIND := 1 428 NO_LIBDW_DWARF_UNWIND := 1 429 NO_LIBBPF := 1 430 NO_JVMTI := 1 431else 432 ifeq ($(feature-libelf), 0) 433 ifeq ($(feature-glibc), 1) 434 LIBC_SUPPORT := 1 435 endif 436 ifeq ($(BIONIC),1) 437 LIBC_SUPPORT := 1 438 endif 439 ifeq ($(LIBC_SUPPORT),1) 440 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.) 441 else 442 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),) 443 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0) 444 msg := $(error No libasan found, please install libasan); 445 endif 446 endif 447 448 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),) 449 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0) 450 msg := $(error No libubsan found, please install libubsan); 451 endif 452 endif 453 454 ifneq ($(filter s% -static%,$(LDFLAGS),),) 455 msg := $(error No static glibc found, please install glibc-static); 456 else 457 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]); 458 endif 459 endif 460 else 461 ifndef NO_LIBDW_DWARF_UNWIND 462 ifneq ($(feature-libdw-dwarf-unwind),1) 463 NO_LIBDW_DWARF_UNWIND := 1 464 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR); 465 endif 466 endif 467 ifneq ($(feature-dwarf), 1) 468 ifndef NO_DWARF 469 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); 470 NO_DWARF := 1 471 endif 472 else 473 ifneq ($(feature-dwarf_getlocations), 1) 474 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157); 475 else 476 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT 477 endif # dwarf_getlocations 478 endif # Dwarf support 479 endif # libelf support 480endif # NO_LIBELF 481 482ifeq ($(feature-libaio), 1) 483 ifndef NO_AIO 484 CFLAGS += -DHAVE_AIO_SUPPORT 485 endif 486endif 487 488ifdef NO_DWARF 489 NO_LIBDW_DWARF_UNWIND := 1 490endif 491 492ifeq ($(feature-scandirat), 1) 493 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT 494endif 495 496ifeq ($(feature-sched_getcpu), 1) 497 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT 498endif 499 500ifeq ($(feature-setns), 1) 501 CFLAGS += -DHAVE_SETNS_SUPPORT 502 $(call detected,CONFIG_SETNS) 503endif 504 505ifdef CORESIGHT 506 $(call feature_check,libopencsd) 507 ifeq ($(feature-libopencsd), 1) 508 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS) 509 ifeq ($(feature-reallocarray), 0) 510 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 511 endif 512 LDFLAGS += $(LIBOPENCSD_LDFLAGS) 513 EXTLIBS += $(OPENCSDLIBS) 514 $(call detected,CONFIG_LIBOPENCSD) 515 ifdef CSTRACE_RAW 516 CFLAGS += -DCS_DEBUG_RAW 517 ifeq (${CSTRACE_RAW}, packed) 518 CFLAGS += -DCS_RAW_PACKED 519 endif 520 endif 521 else 522 dummy := $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1) 523 endif 524endif 525 526ifndef NO_LIBELF 527 CFLAGS += -DHAVE_LIBELF_SUPPORT 528 EXTLIBS += -lelf 529 $(call detected,CONFIG_LIBELF) 530 531 ifeq ($(feature-libelf-getphdrnum), 1) 532 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT 533 endif 534 535 ifeq ($(feature-libelf-gelf_getnote), 1) 536 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT 537 else 538 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled); 539 endif 540 541 ifeq ($(feature-libelf-getshdrstrndx), 1) 542 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT 543 endif 544 545 ifndef NO_LIBDEBUGINFOD 546 $(call feature_check,libdebuginfod) 547 ifeq ($(feature-libdebuginfod), 1) 548 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT 549 EXTLIBS += -ldebuginfod 550 endif 551 endif 552 553 ifndef NO_DWARF 554 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined) 555 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled); 556 NO_DWARF := 1 557 else 558 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS) 559 LDFLAGS += $(LIBDW_LDFLAGS) 560 EXTLIBS += ${DWARFLIBS} 561 $(call detected,CONFIG_DWARF) 562 endif # PERF_HAVE_DWARF_REGS 563 endif # NO_DWARF 564 565 ifndef NO_LIBBPF 566 ifeq ($(feature-bpf), 1) 567 CFLAGS += -DHAVE_LIBBPF_SUPPORT 568 $(call detected,CONFIG_LIBBPF) 569 570 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status 571 $(call feature_check,libbpf) 572 573 ifdef LIBBPF_DYNAMIC 574 ifeq ($(feature-libbpf), 1) 575 EXTLIBS += -lbpf 576 $(call detected,CONFIG_LIBBPF_DYNAMIC) 577 else 578 dummy := $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel); 579 endif 580 else 581 # Libbpf will be built as a static library from tools/lib/bpf. 582 LIBBPF_STATIC := 1 583 endif 584 endif 585 586 ifndef NO_DWARF 587 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 588 CFLAGS += -DHAVE_BPF_PROLOGUE 589 $(call detected,CONFIG_BPF_PROLOGUE) 590 else 591 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset()); 592 endif 593 else 594 msg := $(warning DWARF support is off, BPF prologue is disabled); 595 endif 596 597 endif # NO_LIBBPF 598endif # NO_LIBELF 599 600ifndef NO_SDT 601 ifneq ($(feature-sdt), 1) 602 msg := $(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 msg := $(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 msg := $(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 msg := $(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 671ifdef BUILD_BPF_SKEL 672 $(call feature_check,clang-bpf-co-re) 673 ifeq ($(feature-clang-bpf-co-re), 0) 674 dummy := $(error Error: clang too old/not installed. Please install recent clang to build with BUILD_BPF_SKEL) 675 endif 676 ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) 677 dummy := $(error Error: BPF skeleton support requires libbpf) 678 endif 679 $(call detected,CONFIG_PERF_BPF_SKEL) 680 CFLAGS += -DHAVE_BPF_SKEL 681endif 682 683dwarf-post-unwind := 1 684dwarf-post-unwind-text := BUG 685 686# setup DWARF post unwinder 687ifdef NO_LIBUNWIND 688 ifdef NO_LIBDW_DWARF_UNWIND 689 msg := $(warning Disabling post unwind, no support found.); 690 dwarf-post-unwind := 0 691 else 692 dwarf-post-unwind-text := libdw 693 $(call detected,CONFIG_LIBDW_DWARF_UNWIND) 694 endif 695else 696 dwarf-post-unwind-text := libunwind 697 $(call detected,CONFIG_LIBUNWIND) 698 # Enable libunwind support by default. 699 ifndef NO_LIBDW_DWARF_UNWIND 700 NO_LIBDW_DWARF_UNWIND := 1 701 endif 702endif 703 704ifeq ($(dwarf-post-unwind),1) 705 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT 706 $(call detected,CONFIG_DWARF_UNWIND) 707else 708 NO_DWARF_UNWIND := 1 709endif 710 711ifndef NO_LOCAL_LIBUNWIND 712 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64)) 713 $(call feature_check,libunwind-debug-frame) 714 ifneq ($(feature-libunwind-debug-frame), 1) 715 msg := $(warning No debug_frame support found in libunwind); 716 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 717 endif 718 else 719 # non-ARM has no dwarf_find_debug_frame() function: 720 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 721 endif 722 EXTLIBS += $(LIBUNWIND_LIBS) 723 LDFLAGS += $(LIBUNWIND_LIBS) 724endif 725ifeq ($(findstring -static,${LDFLAGS}),-static) 726 # gcc -static links libgcc_eh which contans piece of libunwind 727 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition 728endif 729 730ifndef NO_LIBUNWIND 731 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT 732 CFLAGS += $(LIBUNWIND_CFLAGS) 733 LDFLAGS += $(LIBUNWIND_LDFLAGS) 734 EXTLIBS += $(EXTLIBS_LIBUNWIND) 735endif 736 737ifneq ($(NO_LIBTRACEEVENT),1) 738 ifeq ($(NO_SYSCALL_TABLE),0) 739 $(call detected,CONFIG_TRACE) 740 else 741 ifndef NO_LIBAUDIT 742 $(call feature_check,libaudit) 743 ifneq ($(feature-libaudit), 1) 744 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev); 745 NO_LIBAUDIT := 1 746 else 747 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT 748 EXTLIBS += -laudit 749 $(call detected,CONFIG_TRACE) 750 endif 751 endif 752 endif 753endif 754 755ifndef NO_LIBCRYPTO 756 ifneq ($(feature-libcrypto), 1) 757 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev); 758 NO_LIBCRYPTO := 1 759 else 760 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT 761 EXTLIBS += -lcrypto 762 $(call detected,CONFIG_CRYPTO) 763 endif 764endif 765 766ifndef NO_SLANG 767 ifneq ($(feature-libslang), 1) 768 ifneq ($(feature-libslang-include-subdir), 1) 769 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev); 770 NO_SLANG := 1 771 else 772 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR 773 endif 774 endif 775 ifndef NO_SLANG 776 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h 777 CFLAGS += -DHAVE_SLANG_SUPPORT 778 EXTLIBS += -lslang 779 $(call detected,CONFIG_SLANG) 780 endif 781endif 782 783ifdef GTK2 784 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) 785 $(call feature_check,gtk2) 786 ifneq ($(feature-gtk2), 1) 787 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev); 788 NO_GTK2 := 1 789 else 790 $(call feature_check,gtk2-infobar) 791 ifeq ($(feature-gtk2-infobar), 1) 792 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT 793 endif 794 CFLAGS += -DHAVE_GTK2_SUPPORT 795 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) 796 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) 797 EXTLIBS += -ldl 798 endif 799endif 800 801ifdef NO_LIBPERL 802 CFLAGS += -DNO_LIBPERL 803else 804 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) 805 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) 806 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) 807 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) 808 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) 809 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) 810 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 811 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) 812 813 ifneq ($(feature-libperl), 1) 814 CFLAGS += -DNO_LIBPERL 815 NO_LIBPERL := 1 816 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev); 817 else 818 LDFLAGS += $(PERL_EMBED_LDFLAGS) 819 EXTLIBS += $(PERL_EMBED_LIBADD) 820 CFLAGS += -DHAVE_LIBPERL_SUPPORT 821 ifeq ($(CC_NO_CLANG), 0) 822 CFLAGS += -Wno-compound-token-split-by-macro 823 endif 824 $(call detected,CONFIG_LIBPERL) 825 endif 826endif 827 828ifeq ($(feature-timerfd), 1) 829 CFLAGS += -DHAVE_TIMERFD_SUPPORT 830else 831 msg := $(warning No timerfd support. Disables 'perf kvm stat live'); 832endif 833 834disable-python = $(eval $(disable-python_code)) 835define disable-python_code 836 CFLAGS += -DNO_LIBPYTHON 837 $(warning $1) 838 NO_LIBPYTHON := 1 839endef 840 841PYTHON_EXTENSION_SUFFIX := '.so' 842ifdef NO_LIBPYTHON 843 $(call disable-python,Python support disabled by user) 844else 845 846 ifndef PYTHON 847 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev) 848 else 849 PYTHON_WORD := $(call shell-wordify,$(PYTHON)) 850 851 ifndef PYTHON_CONFIG 852 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) 853 else 854 855 ifneq ($(feature-libpython), 1) 856 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev) 857 else 858 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 859 EXTLIBS += $(PYTHON_EMBED_LIBADD) 860 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no") 861 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes) 862 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])') 863 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX) 864 else 865 msg := $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent); 866 endif 867 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT 868 $(call detected,CONFIG_LIBPYTHON) 869 endif 870 endif 871 endif 872endif 873 874ifneq ($(NO_JEVENTS),1) 875 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),) 876 NO_JEVENTS := 1 877 endif 878endif 879ifneq ($(NO_JEVENTS),1) 880 NO_JEVENTS := 0 881 ifndef PYTHON 882 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.) 883 else 884 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016. 885 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) 886 ifneq ($(JEVENTS_PYTHON_GOOD), 1) 887 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.) 888 endif 889 endif 890endif 891 892ifdef BUILD_NONDISTRO 893 ifeq ($(feature-libbfd), 1) 894 EXTLIBS += -lbfd -lopcodes 895 else 896 # we are on a system that requires -liberty and (maybe) -lz 897 # to link against -lbfd; test each case individually here 898 899 # call all detections now so we get correct 900 # status in VF output 901 $(call feature_check,libbfd-liberty) 902 $(call feature_check,libbfd-liberty-z) 903 904 ifeq ($(feature-libbfd-liberty), 1) 905 EXTLIBS += -lbfd -lopcodes -liberty 906 else 907 ifeq ($(feature-libbfd-liberty-z), 1) 908 EXTLIBS += -lbfd -lopcodes -liberty -lz 909 endif 910 endif 911 $(call feature_check,disassembler-four-args) 912 $(call feature_check,disassembler-init-styled) 913 endif 914 915 CFLAGS += -DHAVE_LIBBFD_SUPPORT 916 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT 917 ifeq ($(feature-libbfd-buildid), 1) 918 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT 919 else 920 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available); 921 endif 922endif 923 924ifndef NO_DEMANGLE 925 $(call feature_check,cxa-demangle) 926 ifeq ($(feature-cxa-demangle), 1) 927 EXTLIBS += -lstdc++ 928 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 929 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 930 $(call detected,CONFIG_CXX_DEMANGLE) 931 endif 932 ifdef BUILD_NONDISTRO 933 ifeq ($(filter -liberty,$(EXTLIBS)),) 934 $(call feature_check,cplus-demangle) 935 ifeq ($(feature-cplus-demangle), 1) 936 EXTLIBS += -liberty 937 endif 938 endif 939 ifneq ($(filter -liberty,$(EXTLIBS)),) 940 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 941 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 942 endif 943 endif 944endif 945 946ifndef NO_ZLIB 947 ifeq ($(feature-zlib), 1) 948 CFLAGS += -DHAVE_ZLIB_SUPPORT 949 EXTLIBS += -lz 950 $(call detected,CONFIG_ZLIB) 951 else 952 NO_ZLIB := 1 953 endif 954endif 955 956ifndef NO_LZMA 957 ifeq ($(feature-lzma), 1) 958 CFLAGS += -DHAVE_LZMA_SUPPORT 959 EXTLIBS += -llzma 960 $(call detected,CONFIG_LZMA) 961 else 962 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev); 963 NO_LZMA := 1 964 endif 965endif 966 967ifndef NO_LIBZSTD 968 ifeq ($(feature-libzstd), 1) 969 CFLAGS += -DHAVE_ZSTD_SUPPORT 970 CFLAGS += $(LIBZSTD_CFLAGS) 971 LDFLAGS += $(LIBZSTD_LDFLAGS) 972 EXTLIBS += -lzstd 973 $(call detected,CONFIG_ZSTD) 974 else 975 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR); 976 NO_LIBZSTD := 1 977 endif 978endif 979 980ifndef NO_LIBCAP 981 ifeq ($(feature-libcap), 1) 982 CFLAGS += -DHAVE_LIBCAP_SUPPORT 983 EXTLIBS += -lcap 984 $(call detected,CONFIG_LIBCAP) 985 else 986 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev); 987 NO_LIBCAP := 1 988 endif 989endif 990 991ifndef NO_BACKTRACE 992 ifeq ($(feature-backtrace), 1) 993 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 994 endif 995endif 996 997ifndef NO_LIBNUMA 998 ifeq ($(feature-libnuma), 0) 999 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev); 1000 NO_LIBNUMA := 1 1001 else 1002 ifeq ($(feature-numa_num_possible_cpus), 0) 1003 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8); 1004 NO_LIBNUMA := 1 1005 else 1006 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 1007 EXTLIBS += -lnuma 1008 $(call detected,CONFIG_NUMA) 1009 endif 1010 endif 1011endif 1012 1013ifdef HAVE_KVM_STAT_SUPPORT 1014 CFLAGS += -DHAVE_KVM_STAT_SUPPORT 1015endif 1016 1017ifeq ($(feature-disassembler-four-args), 1) 1018 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 1019endif 1020 1021ifeq ($(feature-disassembler-init-styled), 1) 1022 CFLAGS += -DDISASM_INIT_STYLED 1023endif 1024 1025ifeq (${IS_64_BIT}, 1) 1026 ifndef NO_PERF_READ_VDSO32 1027 $(call feature_check,compile-32) 1028 ifeq ($(feature-compile-32), 1) 1029 CFLAGS += -DHAVE_PERF_READ_VDSO32 1030 else 1031 NO_PERF_READ_VDSO32 := 1 1032 endif 1033 endif 1034 ifneq ($(SRCARCH), x86) 1035 NO_PERF_READ_VDSOX32 := 1 1036 endif 1037 ifndef NO_PERF_READ_VDSOX32 1038 $(call feature_check,compile-x32) 1039 ifeq ($(feature-compile-x32), 1) 1040 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1041 else 1042 NO_PERF_READ_VDSOX32 := 1 1043 endif 1044 endif 1045else 1046 NO_PERF_READ_VDSO32 := 1 1047 NO_PERF_READ_VDSOX32 := 1 1048endif 1049 1050ifndef NO_LIBBABELTRACE 1051 $(call feature_check,libbabeltrace) 1052 ifeq ($(feature-libbabeltrace), 1) 1053 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS) 1054 LDFLAGS += $(LIBBABELTRACE_LDFLAGS) 1055 EXTLIBS += -lbabeltrace-ctf 1056 $(call detected,CONFIG_LIBBABELTRACE) 1057 else 1058 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev); 1059 endif 1060endif 1061 1062ifndef NO_AUXTRACE 1063 ifeq ($(SRCARCH),x86) 1064 ifeq ($(feature-get_cpuid), 0) 1065 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc); 1066 NO_AUXTRACE := 1 1067 endif 1068 endif 1069 ifndef NO_AUXTRACE 1070 $(call detected,CONFIG_AUXTRACE) 1071 CFLAGS += -DHAVE_AUXTRACE_SUPPORT 1072 ifeq ($(feature-reallocarray), 0) 1073 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 1074 endif 1075 endif 1076endif 1077 1078ifndef NO_JVMTI 1079 ifneq (,$(wildcard /usr/sbin/update-java-alternatives)) 1080 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}') 1081 else 1082 ifneq (,$(wildcard /usr/sbin/alternatives)) 1083 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g') 1084 endif 1085 endif 1086 ifndef JDIR 1087 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory) 1088 NO_JVMTI := 1 1089 endif 1090endif 1091 1092ifndef NO_JVMTI 1093 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux 1094 $(call feature_check,jvmti) 1095 ifeq ($(feature-jvmti), 1) 1096 $(call detected_var,JDIR) 1097 ifndef NO_JVMTI_CMLR 1098 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti) 1099 $(call feature_check,jvmti-cmlr) 1100 ifeq ($(feature-jvmti-cmlr), 1) 1101 CFLAGS += -DHAVE_JVMTI_CMLR 1102 endif 1103 endif # NO_JVMTI_CMLR 1104 else 1105 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel) 1106 NO_JVMTI := 1 1107 endif 1108endif 1109 1110USE_CXX = 0 1111USE_CLANGLLVM = 0 1112ifdef LIBCLANGLLVM 1113 $(call feature_check,cxx) 1114 ifneq ($(feature-cxx), 1) 1115 msg := $(warning No g++ found, disable clang and llvm support. Please install g++) 1116 else 1117 $(call feature_check,llvm) 1118 $(call feature_check,llvm-version) 1119 ifneq ($(feature-llvm), 1) 1120 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0)) 1121 else 1122 $(call feature_check,clang) 1123 ifneq ($(feature-clang), 1) 1124 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0)) 1125 else 1126 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT 1127 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir) 1128 $(call detected,CONFIG_CXX) 1129 $(call detected,CONFIG_CLANGLLVM) 1130 USE_CXX = 1 1131 USE_LLVM = 1 1132 USE_CLANG = 1 1133 ifneq ($(feature-llvm-version),1) 1134 msg := $(warning This version of LLVM is not tested. May cause build errors) 1135 endif 1136 endif 1137 endif 1138 endif 1139endif 1140 1141ifndef NO_LIBPFM4 1142 $(call feature_check,libpfm4) 1143 ifeq ($(feature-libpfm4), 1) 1144 CFLAGS += -DHAVE_LIBPFM 1145 EXTLIBS += -lpfm 1146 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 1147 $(call detected,CONFIG_LIBPFM4) 1148 else 1149 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev); 1150 endif 1151endif 1152 1153# libtraceevent is a recommended dependency picked up from the system. 1154ifneq ($(NO_LIBTRACEEVENT),1) 1155 $(call feature_check,libtraceevent) 1156 ifeq ($(feature-libtraceevent), 1) 1157 CFLAGS += -DHAVE_LIBTRACEEVENT 1158 EXTLIBS += -ltraceevent 1159 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent) 1160 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1161 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1162 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1163 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3)) 1164 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP) 1165 $(call detected,CONFIG_LIBTRACEEVENT) 1166 else 1167 dummy := $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel or build with NO_LIBTRACEEVENT=1) 1168 endif 1169 1170 $(call feature_check,libtracefs) 1171 ifeq ($(feature-libtracefs), 1) 1172 EXTLIBS += -ltracefs 1173 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs) 1174 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION))) 1175 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION))) 1176 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION))) 1177 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3)) 1178 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP) 1179 endif 1180endif 1181 1182# Among the variables below, these: 1183# perfexecdir 1184# libbpf_include_dir 1185# perf_examples_dir 1186# template_dir 1187# mandir 1188# infodir 1189# htmldir 1190# ETC_PERFCONFIG (but not sysconfdir) 1191# can be specified as a relative path some/where/else; 1192# this is interpreted as relative to $(prefix) and "perf" at 1193# runtime figures out where they are based on the path to the executable. 1194# This can help installing the suite in a relocatable way. 1195 1196# Make the path relative to DESTDIR, not to prefix 1197ifndef DESTDIR 1198prefix ?= $(HOME) 1199endif 1200bindir_relative = bin 1201bindir = $(abspath $(prefix)/$(bindir_relative)) 1202includedir_relative = include 1203includedir = $(abspath $(prefix)/$(includedir_relative)) 1204mandir = share/man 1205infodir = share/info 1206perfexecdir = libexec/perf-core 1207# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance 1208libbpf_include_dir = /usr/include 1209perf_examples_dir = lib/perf/examples 1210sharedir = $(prefix)/share 1211template_dir = share/perf-core/templates 1212STRACE_GROUPS_DIR = share/perf-core/strace/groups 1213htmldir = share/doc/perf-doc 1214tipdir = share/doc/perf-tip 1215srcdir = $(srctree)/tools/perf 1216ifeq ($(prefix),/usr) 1217sysconfdir = /etc 1218ETC_PERFCONFIG = $(sysconfdir)/perfconfig 1219else 1220sysconfdir = $(prefix)/etc 1221ETC_PERFCONFIG = etc/perfconfig 1222endif 1223ifndef lib 1224ifeq ($(SRCARCH)$(IS_64_BIT), x861) 1225lib = lib64 1226else 1227lib = lib 1228endif 1229endif # lib 1230libdir = $(prefix)/$(lib) 1231 1232# Shell quote (do not use $(call) to accommodate ancient setups); 1233ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) 1234STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR)) 1235DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) 1236bindir_SQ = $(subst ','\'',$(bindir)) 1237includedir_SQ = $(subst ','\'',$(includedir)) 1238mandir_SQ = $(subst ','\'',$(mandir)) 1239infodir_SQ = $(subst ','\'',$(infodir)) 1240perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) 1241libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir)) 1242perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir)) 1243template_dir_SQ = $(subst ','\'',$(template_dir)) 1244htmldir_SQ = $(subst ','\'',$(htmldir)) 1245tipdir_SQ = $(subst ','\'',$(tipdir)) 1246prefix_SQ = $(subst ','\'',$(prefix)) 1247sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) 1248libdir_SQ = $(subst ','\'',$(libdir)) 1249srcdir_SQ = $(subst ','\'',$(srcdir)) 1250 1251ifneq ($(filter /%,$(firstword $(perfexecdir))),) 1252perfexec_instdir = $(perfexecdir) 1253perf_include_instdir = $(libbpf_include_dir) 1254perf_examples_instdir = $(perf_examples_dir) 1255STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) 1256tip_instdir = $(tipdir) 1257else 1258perfexec_instdir = $(prefix)/$(perfexecdir) 1259perf_include_instdir = $(prefix)/$(libbpf_include_dir) 1260perf_examples_instdir = $(prefix)/$(perf_examples_dir) 1261STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) 1262tip_instdir = $(prefix)/$(tipdir) 1263endif 1264perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) 1265perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir)) 1266perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir)) 1267STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) 1268tip_instdir_SQ = $(subst ','\'',$(tip_instdir)) 1269 1270export perfexec_instdir_SQ 1271 1272print_var = $(eval $(print_var_code)) $(info $(MSG)) 1273define print_var_code 1274 MSG = $(shell printf '...%40s: %s' $(1) $($(1))) 1275endef 1276 1277ifeq ($(feature_display),1) 1278 $(call feature_display_entries) 1279endif 1280 1281ifeq ($(VF),1) 1282 # Display EXTRA features which are detected manualy 1283 # from here with feature_check call and thus cannot 1284 # be partof global state output. 1285 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG))) 1286 $(call print_var,prefix) 1287 $(call print_var,bindir) 1288 $(call print_var,libdir) 1289 $(call print_var,sysconfdir) 1290 $(call print_var,LIBUNWIND_DIR) 1291 $(call print_var,LIBDW_DIR) 1292 $(call print_var,JDIR) 1293 1294 ifeq ($(dwarf-post-unwind),1) 1295 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG)) 1296 endif 1297endif 1298 1299$(info ) 1300 1301$(call detected_var,bindir_SQ) 1302$(call detected_var,PYTHON_WORD) 1303ifneq ($(OUTPUT),) 1304$(call detected_var,OUTPUT) 1305endif 1306$(call detected_var,htmldir_SQ) 1307$(call detected_var,infodir_SQ) 1308$(call detected_var,mandir_SQ) 1309$(call detected_var,ETC_PERFCONFIG_SQ) 1310$(call detected_var,STRACE_GROUPS_DIR_SQ) 1311$(call detected_var,prefix_SQ) 1312$(call detected_var,perfexecdir_SQ) 1313$(call detected_var,libbpf_include_dir_SQ) 1314$(call detected_var,perf_examples_dir_SQ) 1315$(call detected_var,tipdir_SQ) 1316$(call detected_var,srcdir_SQ) 1317$(call detected_var,LIBDIR) 1318$(call detected_var,GTK_CFLAGS) 1319$(call detected_var,PERL_EMBED_CCOPTS) 1320$(call detected_var,PYTHON_EMBED_CCOPTS) 1321ifneq ($(BISON_FILE_PREFIX_MAP),) 1322$(call detected_var,BISON_FILE_PREFIX_MAP) 1323endif 1324 1325# re-generate FEATURE-DUMP as we may have called feature_check, found out 1326# extra libraries to add to LDFLAGS of some other test and then redo those 1327# tests. 1328$(shell rm -f $(FEATURE_DUMP_FILENAME)) 1329$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) 1330