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 ($(DEBUG),0) 231ifeq ($(CC_NO_CLANG), 0) 232 CORE_CFLAGS += -O3 233else 234 CORE_CFLAGS += -O6 235endif 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 245 246# Try different combinations to accommodate systems that only have 247# python[2][3]-config in weird combinations in the following order of 248# priority from lowest to highest: 249# * python2-config as per pep-0394. 250# * python-config 251# * python3-config 252# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't) 253# 254PYTHON_AUTO := python-config 255PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO)) 256PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO)) 257PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO)) 258 259# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user 260# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist. 261ifdef PYTHON 262 ifndef PYTHON_CONFIG 263 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config) 264 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\ 265 $(call $(error $(PYTHON)-config not found))) 266 endif 267endif 268 269# Select either auto detected python and python-config or use user supplied values if they are 270# defined. get-executable-or-default fails with an error if the first argument is supplied but 271# doesn't exist. 272override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO)) 273override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG))) 274 275grep-libs = $(filter -l%,$(1)) 276strip-libs = $(filter-out -l%,$(1)) 277 278PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG)) 279 280# Python 3.8 changed the output of `python-config --ldflags` to not include the 281# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for 282# libpython fails if that flag is not included in LDFLAGS 283ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0) 284 PYTHON_CONFIG_LDFLAGS := --ldflags --embed 285else 286 PYTHON_CONFIG_LDFLAGS := --ldflags 287endif 288 289ifdef PYTHON_CONFIG 290 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null) 291 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS)) 292 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil 293 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null) 294 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS) 295 ifeq ($(CC_NO_CLANG), 0) 296 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS)) 297 endif 298endif 299 300FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS) 301FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS) 302 303FEATURE_CHECK_LDFLAGS-libaio = -lrt 304 305CORE_CFLAGS += -fno-omit-frame-pointer 306CORE_CFLAGS += -ggdb3 307CORE_CFLAGS += -funwind-tables 308CORE_CFLAGS += -Wall 309CORE_CFLAGS += -Wextra 310CORE_CFLAGS += -std=gnu11 311 312CXXFLAGS += -std=gnu++14 -fno-exceptions -fno-rtti 313CXXFLAGS += -Wall 314CXXFLAGS += -fno-omit-frame-pointer 315CXXFLAGS += -ggdb3 316CXXFLAGS += -funwind-tables 317CXXFLAGS += -Wno-strict-aliasing 318 319HOSTCFLAGS += -Wall 320HOSTCFLAGS += -Wextra 321 322# Enforce a non-executable stack, as we may regress (again) in the future by 323# adding assembler files missing the .GNU-stack linker note. 324LDFLAGS += -Wl,-z,noexecstack 325 326EXTLIBS = -lpthread -lrt -lm -ldl 327 328ifneq ($(TCMALLOC),) 329 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free 330 EXTLIBS += -ltcmalloc 331endif 332 333ifeq ($(FEATURES_DUMP),) 334# We will display at the end of this Makefile.config, using $(call feature_display_entries), 335# as we may retry some feature detection here. 336 FEATURE_DISPLAY_DEFERRED := 1 337include $(srctree)/tools/build/Makefile.feature 338else 339include $(FEATURES_DUMP) 340endif 341 342ifeq ($(feature-stackprotector-all), 1) 343 CORE_CFLAGS += -fstack-protector-all 344endif 345 346ifeq ($(DEBUG),0) 347 ifeq ($(feature-fortify-source), 1) 348 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 349 endif 350endif 351 352INC_FLAGS += -I$(src-perf)/util/include 353INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include 354INC_FLAGS += -I$(srctree)/tools/include/ 355INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi 356INC_FLAGS += -I$(srctree)/tools/include/uapi 357INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/ 358INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/ 359 360# $(obj-perf) for generated common-cmds.h 361# $(obj-perf)/util for generated bison/flex headers 362ifneq ($(OUTPUT),) 363INC_FLAGS += -I$(obj-perf)/util 364INC_FLAGS += -I$(obj-perf) 365endif 366 367INC_FLAGS += -I$(src-perf)/util 368INC_FLAGS += -I$(src-perf) 369 370CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE 371 372CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS) 373CXXFLAGS += $(INC_FLAGS) 374 375LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS) 376 377ifeq ($(feature-pthread-attr-setaffinity-np), 1) 378 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP 379endif 380 381ifeq ($(feature-pthread-barrier), 1) 382 CFLAGS += -DHAVE_PTHREAD_BARRIER 383endif 384 385ifndef NO_BIONIC 386 $(call feature_check,bionic) 387 ifeq ($(feature-bionic), 1) 388 BIONIC := 1 389 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE 390 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE 391 EXTLIBS := $(filter-out -lrt,$(EXTLIBS)) 392 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS)) 393 endif 394endif 395 396ifeq ($(feature-eventfd), 1) 397 CFLAGS += -DHAVE_EVENTFD_SUPPORT 398endif 399 400ifeq ($(feature-get_current_dir_name), 1) 401 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME 402endif 403 404ifeq ($(feature-gettid), 1) 405 CFLAGS += -DHAVE_GETTID 406endif 407 408ifeq ($(feature-file-handle), 1) 409 CFLAGS += -DHAVE_FILE_HANDLE 410endif 411 412ifdef NO_LIBELF 413 NO_DWARF := 1 414 NO_DEMANGLE := 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 := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel); 429 430 NO_LIBELF := 1 431 NO_DWARF := 1 432 NO_DEMANGLE := 1 433 NO_LIBUNWIND := 1 434 NO_LIBDW_DWARF_UNWIND := 1 435 NO_LIBBPF := 1 436 NO_JVMTI := 1 437 else 438 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),) 439 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0) 440 msg := $(error No libasan found, please install libasan); 441 endif 442 endif 443 444 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),) 445 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0) 446 msg := $(error No libubsan found, please install libubsan); 447 endif 448 endif 449 450 ifneq ($(filter s% -static%,$(LDFLAGS),),) 451 msg := $(error No static glibc found, please install glibc-static); 452 else 453 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]); 454 endif 455 endif 456 else 457 ifndef NO_LIBDW_DWARF_UNWIND 458 ifneq ($(feature-libdw-dwarf-unwind),1) 459 NO_LIBDW_DWARF_UNWIND := 1 460 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR); 461 endif 462 endif 463 ifneq ($(feature-dwarf), 1) 464 ifndef NO_DWARF 465 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); 466 NO_DWARF := 1 467 endif 468 else 469 ifneq ($(feature-dwarf_getlocations), 1) 470 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157); 471 else 472 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT 473 endif # dwarf_getlocations 474 endif # Dwarf support 475 endif # libelf support 476endif # NO_LIBELF 477 478ifeq ($(feature-glibc), 1) 479 CFLAGS += -DHAVE_GLIBC_SUPPORT 480endif 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-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 dummy := $(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_LIBELF 523 CFLAGS += -DHAVE_LIBELF_SUPPORT 524 EXTLIBS += -lelf 525 $(call detected,CONFIG_LIBELF) 526 527 ifeq ($(feature-libelf-getphdrnum), 1) 528 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT 529 endif 530 531 ifeq ($(feature-libelf-gelf_getnote), 1) 532 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT 533 else 534 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled); 535 endif 536 537 ifeq ($(feature-libelf-getshdrstrndx), 1) 538 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT 539 endif 540 541 ifndef NO_LIBDEBUGINFOD 542 $(call feature_check,libdebuginfod) 543 ifeq ($(feature-libdebuginfod), 1) 544 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT 545 EXTLIBS += -ldebuginfod 546 endif 547 endif 548 549 ifndef NO_DWARF 550 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined) 551 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled); 552 NO_DWARF := 1 553 else 554 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS) 555 LDFLAGS += $(LIBDW_LDFLAGS) 556 EXTLIBS += ${DWARFLIBS} 557 $(call detected,CONFIG_DWARF) 558 endif # PERF_HAVE_DWARF_REGS 559 endif # NO_DWARF 560 561 ifndef NO_LIBBPF 562 ifeq ($(feature-bpf), 1) 563 CFLAGS += -DHAVE_LIBBPF_SUPPORT 564 $(call detected,CONFIG_LIBBPF) 565 566 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status 567 $(call feature_check,libbpf) 568 ifdef LIBBPF_DYNAMIC 569 ifeq ($(feature-libbpf), 1) 570 EXTLIBS += -lbpf 571 $(call detected,CONFIG_LIBBPF_DYNAMIC) 572 573 $(call feature_check,libbpf-btf__load_from_kernel_by_id) 574 ifeq ($(feature-libbpf-btf__load_from_kernel_by_id), 1) 575 CFLAGS += -DHAVE_LIBBPF_BTF__LOAD_FROM_KERNEL_BY_ID 576 endif 577 $(call feature_check,libbpf-bpf_prog_load) 578 ifeq ($(feature-libbpf-bpf_prog_load), 1) 579 CFLAGS += -DHAVE_LIBBPF_BPF_PROG_LOAD 580 endif 581 $(call feature_check,libbpf-bpf_object__next_program) 582 ifeq ($(feature-libbpf-bpf_object__next_program), 1) 583 CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_PROGRAM 584 endif 585 $(call feature_check,libbpf-bpf_object__next_map) 586 ifeq ($(feature-libbpf-bpf_object__next_map), 1) 587 CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_MAP 588 endif 589 $(call feature_check,libbpf-bpf_program__set_insns) 590 ifeq ($(feature-libbpf-bpf_program__set_insns), 1) 591 CFLAGS += -DHAVE_LIBBPF_BPF_PROGRAM__SET_INSNS 592 endif 593 $(call feature_check,libbpf-btf__raw_data) 594 ifeq ($(feature-libbpf-btf__raw_data), 1) 595 CFLAGS += -DHAVE_LIBBPF_BTF__RAW_DATA 596 endif 597 $(call feature_check,libbpf-bpf_map_create) 598 ifeq ($(feature-libbpf-bpf_map_create), 1) 599 CFLAGS += -DHAVE_LIBBPF_BPF_MAP_CREATE 600 endif 601 else 602 dummy := $(error Error: No libbpf devel library found, please install libbpf-devel); 603 endif 604 else 605 # Libbpf will be built as a static library from tools/lib/bpf. 606 LIBBPF_STATIC := 1 607 CFLAGS += -DHAVE_LIBBPF_BTF__LOAD_FROM_KERNEL_BY_ID 608 CFLAGS += -DHAVE_LIBBPF_BPF_PROG_LOAD 609 CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_PROGRAM 610 CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_MAP 611 CFLAGS += -DHAVE_LIBBPF_BPF_PROGRAM__SET_INSNS 612 CFLAGS += -DHAVE_LIBBPF_BTF__RAW_DATA 613 CFLAGS += -DHAVE_LIBBPF_BPF_MAP_CREATE 614 endif 615 endif 616 617 ifndef NO_DWARF 618 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 619 CFLAGS += -DHAVE_BPF_PROLOGUE 620 $(call detected,CONFIG_BPF_PROLOGUE) 621 else 622 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset()); 623 endif 624 else 625 msg := $(warning DWARF support is off, BPF prologue is disabled); 626 endif 627 628 endif # NO_LIBBPF 629endif # NO_LIBELF 630 631ifndef NO_SDT 632 ifneq ($(feature-sdt), 1) 633 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev); 634 NO_SDT := 1; 635 else 636 CFLAGS += -DHAVE_SDT_EVENT 637 $(call detected,CONFIG_SDT_EVENT) 638 endif 639endif 640 641ifdef PERF_HAVE_JITDUMP 642 ifndef NO_LIBELF 643 $(call detected,CONFIG_JITDUMP) 644 CFLAGS += -DHAVE_JITDUMP 645 endif 646endif 647 648ifeq ($(SRCARCH),powerpc) 649 ifndef NO_DWARF 650 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX 651 endif 652endif 653 654ifndef NO_LIBUNWIND 655 have_libunwind := 656 657 $(call feature_check,libunwind-x86) 658 ifeq ($(feature-libunwind-x86), 1) 659 $(call detected,CONFIG_LIBUNWIND_X86) 660 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT 661 LDFLAGS += -lunwind-x86 662 EXTLIBS_LIBUNWIND += -lunwind-x86 663 have_libunwind = 1 664 endif 665 666 $(call feature_check,libunwind-aarch64) 667 ifeq ($(feature-libunwind-aarch64), 1) 668 $(call detected,CONFIG_LIBUNWIND_AARCH64) 669 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT 670 LDFLAGS += -lunwind-aarch64 671 EXTLIBS_LIBUNWIND += -lunwind-aarch64 672 have_libunwind = 1 673 $(call feature_check,libunwind-debug-frame-aarch64) 674 ifneq ($(feature-libunwind-debug-frame-aarch64), 1) 675 msg := $(warning No debug_frame support found in libunwind-aarch64); 676 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64 677 endif 678 endif 679 680 ifneq ($(feature-libunwind), 1) 681 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR); 682 NO_LOCAL_LIBUNWIND := 1 683 else 684 have_libunwind := 1 685 $(call detected,CONFIG_LOCAL_LIBUNWIND) 686 endif 687 688 ifneq ($(have_libunwind), 1) 689 NO_LIBUNWIND := 1 690 endif 691else 692 NO_LOCAL_LIBUNWIND := 1 693endif 694 695ifndef NO_LIBBPF 696 ifneq ($(feature-bpf), 1) 697 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) 698 NO_LIBBPF := 1 699 endif 700endif 701 702ifdef BUILD_BPF_SKEL 703 $(call feature_check,clang-bpf-co-re) 704 ifeq ($(feature-clang-bpf-co-re), 0) 705 dummy := $(error Error: clang too old/not installed. Please install recent clang to build with BUILD_BPF_SKEL) 706 endif 707 ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) 708 dummy := $(error Error: BPF skeleton support requires libbpf) 709 endif 710 $(call detected,CONFIG_PERF_BPF_SKEL) 711 CFLAGS += -DHAVE_BPF_SKEL 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 msg := $(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 msg := $(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 msg := $(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 msg := $(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 797ifdef NO_NEWT 798 NO_SLANG=1 799endif 800 801ifndef NO_SLANG 802 ifneq ($(feature-libslang), 1) 803 ifneq ($(feature-libslang-include-subdir), 1) 804 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev); 805 NO_SLANG := 1 806 else 807 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR 808 endif 809 endif 810 ifndef NO_SLANG 811 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h 812 CFLAGS += -DHAVE_SLANG_SUPPORT 813 EXTLIBS += -lslang 814 $(call detected,CONFIG_SLANG) 815 endif 816endif 817 818ifdef GTK2 819 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) 820 $(call feature_check,gtk2) 821 ifneq ($(feature-gtk2), 1) 822 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev); 823 NO_GTK2 := 1 824 else 825 $(call feature_check,gtk2-infobar) 826 ifeq ($(feature-gtk2-infobar), 1) 827 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT 828 endif 829 CFLAGS += -DHAVE_GTK2_SUPPORT 830 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) 831 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) 832 EXTLIBS += -ldl 833 endif 834endif 835 836ifdef NO_LIBPERL 837 CFLAGS += -DNO_LIBPERL 838else 839 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) 840 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) 841 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) 842 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) 843 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) 844 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) 845 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 846 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) 847 848 ifneq ($(feature-libperl), 1) 849 CFLAGS += -DNO_LIBPERL 850 NO_LIBPERL := 1 851 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev); 852 else 853 LDFLAGS += $(PERL_EMBED_LDFLAGS) 854 EXTLIBS += $(PERL_EMBED_LIBADD) 855 CFLAGS += -DHAVE_LIBPERL_SUPPORT 856 ifeq ($(CC_NO_CLANG), 0) 857 CFLAGS += -Wno-compound-token-split-by-macro 858 endif 859 $(call detected,CONFIG_LIBPERL) 860 endif 861endif 862 863ifeq ($(feature-timerfd), 1) 864 CFLAGS += -DHAVE_TIMERFD_SUPPORT 865else 866 msg := $(warning No timerfd support. Disables 'perf kvm stat live'); 867endif 868 869disable-python = $(eval $(disable-python_code)) 870define disable-python_code 871 CFLAGS += -DNO_LIBPYTHON 872 $(warning $1) 873 NO_LIBPYTHON := 1 874endef 875 876PYTHON_EXTENSION_SUFFIX := '.so' 877ifdef NO_LIBPYTHON 878 $(call disable-python,Python support disabled by user) 879else 880 881 ifndef PYTHON 882 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev) 883 else 884 PYTHON_WORD := $(call shell-wordify,$(PYTHON)) 885 886 ifndef PYTHON_CONFIG 887 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) 888 else 889 890 ifneq ($(feature-libpython), 1) 891 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev) 892 else 893 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 894 EXTLIBS += $(PYTHON_EMBED_LIBADD) 895 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no") 896 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes) 897 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])') 898 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX) 899 else 900 msg := $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent); 901 endif 902 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT 903 $(call detected,CONFIG_LIBPYTHON) 904 endif 905 endif 906 endif 907endif 908 909ifneq ($(NO_JEVENTS),1) 910 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),) 911 NO_JEVENTS := 1 912 endif 913endif 914ifneq ($(NO_JEVENTS),1) 915 NO_JEVENTS := 0 916 ifndef PYTHON 917 $(warning No python interpreter disabling jevent generation) 918 NO_JEVENTS := 1 919 else 920 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016. 921 JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null) 922 ifneq ($(JEVENTS_PYTHON_GOOD), 1) 923 $(warning Python interpreter too old (older than 3.6) disabling jevent generation) 924 NO_JEVENTS := 1 925 endif 926 endif 927endif 928 929ifndef NO_LIBBFD 930 ifeq ($(feature-libbfd), 1) 931 EXTLIBS += -lbfd -lopcodes 932 else 933 # we are on a system that requires -liberty and (maybe) -lz 934 # to link against -lbfd; test each case individually here 935 936 # call all detections now so we get correct 937 # status in VF output 938 $(call feature_check,libbfd-liberty) 939 $(call feature_check,libbfd-liberty-z) 940 941 ifeq ($(feature-libbfd-liberty), 1) 942 EXTLIBS += -lbfd -lopcodes -liberty 943 else 944 ifeq ($(feature-libbfd-liberty-z), 1) 945 EXTLIBS += -lbfd -lopcodes -liberty -lz 946 endif 947 endif 948 $(call feature_check,disassembler-four-args) 949 $(call feature_check,disassembler-init-styled) 950 endif 951 952 ifeq ($(feature-libbfd-buildid), 1) 953 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT 954 else 955 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available); 956 endif 957endif 958 959ifdef NO_DEMANGLE 960 CFLAGS += -DNO_DEMANGLE 961else 962 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT 963 EXTLIBS += -liberty 964 else 965 ifeq ($(filter -liberty,$(EXTLIBS)),) 966 $(call feature_check,cplus-demangle) 967 968 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT 969 # or any of 'bfd iberty z' trinity 970 ifeq ($(feature-cplus-demangle), 1) 971 EXTLIBS += -liberty 972 else 973 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling) 974 CFLAGS += -DNO_DEMANGLE 975 endif 976 endif 977 endif 978 979 ifneq ($(filter -liberty,$(EXTLIBS)),) 980 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 981 endif 982endif 983 984ifneq ($(filter -lbfd,$(EXTLIBS)),) 985 CFLAGS += -DHAVE_LIBBFD_SUPPORT 986endif 987 988ifndef NO_ZLIB 989 ifeq ($(feature-zlib), 1) 990 CFLAGS += -DHAVE_ZLIB_SUPPORT 991 EXTLIBS += -lz 992 $(call detected,CONFIG_ZLIB) 993 else 994 NO_ZLIB := 1 995 endif 996endif 997 998ifndef NO_LZMA 999 ifeq ($(feature-lzma), 1) 1000 CFLAGS += -DHAVE_LZMA_SUPPORT 1001 EXTLIBS += -llzma 1002 $(call detected,CONFIG_LZMA) 1003 else 1004 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev); 1005 NO_LZMA := 1 1006 endif 1007endif 1008 1009ifndef NO_LIBZSTD 1010 ifeq ($(feature-libzstd), 1) 1011 CFLAGS += -DHAVE_ZSTD_SUPPORT 1012 CFLAGS += $(LIBZSTD_CFLAGS) 1013 LDFLAGS += $(LIBZSTD_LDFLAGS) 1014 EXTLIBS += -lzstd 1015 $(call detected,CONFIG_ZSTD) 1016 else 1017 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR); 1018 NO_LIBZSTD := 1 1019 endif 1020endif 1021 1022ifndef NO_LIBCAP 1023 ifeq ($(feature-libcap), 1) 1024 CFLAGS += -DHAVE_LIBCAP_SUPPORT 1025 EXTLIBS += -lcap 1026 $(call detected,CONFIG_LIBCAP) 1027 else 1028 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev); 1029 NO_LIBCAP := 1 1030 endif 1031endif 1032 1033ifndef NO_BACKTRACE 1034 ifeq ($(feature-backtrace), 1) 1035 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 1036 endif 1037endif 1038 1039ifndef NO_LIBNUMA 1040 ifeq ($(feature-libnuma), 0) 1041 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev); 1042 NO_LIBNUMA := 1 1043 else 1044 ifeq ($(feature-numa_num_possible_cpus), 0) 1045 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8); 1046 NO_LIBNUMA := 1 1047 else 1048 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 1049 EXTLIBS += -lnuma 1050 $(call detected,CONFIG_NUMA) 1051 endif 1052 endif 1053endif 1054 1055ifdef HAVE_KVM_STAT_SUPPORT 1056 CFLAGS += -DHAVE_KVM_STAT_SUPPORT 1057endif 1058 1059ifeq ($(feature-disassembler-four-args), 1) 1060 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 1061endif 1062 1063ifeq ($(feature-disassembler-init-styled), 1) 1064 CFLAGS += -DDISASM_INIT_STYLED 1065endif 1066 1067ifeq (${IS_64_BIT}, 1) 1068 ifndef NO_PERF_READ_VDSO32 1069 $(call feature_check,compile-32) 1070 ifeq ($(feature-compile-32), 1) 1071 CFLAGS += -DHAVE_PERF_READ_VDSO32 1072 else 1073 NO_PERF_READ_VDSO32 := 1 1074 endif 1075 endif 1076 ifneq ($(SRCARCH), x86) 1077 NO_PERF_READ_VDSOX32 := 1 1078 endif 1079 ifndef NO_PERF_READ_VDSOX32 1080 $(call feature_check,compile-x32) 1081 ifeq ($(feature-compile-x32), 1) 1082 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1083 else 1084 NO_PERF_READ_VDSOX32 := 1 1085 endif 1086 endif 1087else 1088 NO_PERF_READ_VDSO32 := 1 1089 NO_PERF_READ_VDSOX32 := 1 1090endif 1091 1092ifndef NO_LIBBABELTRACE 1093 $(call feature_check,libbabeltrace) 1094 ifeq ($(feature-libbabeltrace), 1) 1095 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS) 1096 LDFLAGS += $(LIBBABELTRACE_LDFLAGS) 1097 EXTLIBS += -lbabeltrace-ctf 1098 $(call detected,CONFIG_LIBBABELTRACE) 1099 else 1100 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev); 1101 endif 1102endif 1103 1104ifndef NO_AUXTRACE 1105 ifeq ($(SRCARCH),x86) 1106 ifeq ($(feature-get_cpuid), 0) 1107 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc); 1108 NO_AUXTRACE := 1 1109 endif 1110 endif 1111 ifndef NO_AUXTRACE 1112 $(call detected,CONFIG_AUXTRACE) 1113 CFLAGS += -DHAVE_AUXTRACE_SUPPORT 1114 ifeq ($(feature-reallocarray), 0) 1115 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 1116 endif 1117 endif 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 1152USE_CXX = 0 1153USE_CLANGLLVM = 0 1154ifdef LIBCLANGLLVM 1155 $(call feature_check,cxx) 1156 ifneq ($(feature-cxx), 1) 1157 msg := $(warning No g++ found, disable clang and llvm support. Please install g++) 1158 else 1159 $(call feature_check,llvm) 1160 $(call feature_check,llvm-version) 1161 ifneq ($(feature-llvm), 1) 1162 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0)) 1163 else 1164 $(call feature_check,clang) 1165 ifneq ($(feature-clang), 1) 1166 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0)) 1167 else 1168 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT 1169 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir) 1170 $(call detected,CONFIG_CXX) 1171 $(call detected,CONFIG_CLANGLLVM) 1172 USE_CXX = 1 1173 USE_LLVM = 1 1174 USE_CLANG = 1 1175 ifneq ($(feature-llvm-version),1) 1176 msg := $(warning This version of LLVM is not tested. May cause build errors) 1177 endif 1178 endif 1179 endif 1180 endif 1181endif 1182 1183ifdef LIBPFM4 1184 $(call feature_check,libpfm4) 1185 ifeq ($(feature-libpfm4), 1) 1186 CFLAGS += -DHAVE_LIBPFM 1187 EXTLIBS += -lpfm 1188 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 1189 $(call detected,CONFIG_LIBPFM4) 1190 else 1191 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev); 1192 NO_LIBPFM4 := 1 1193 endif 1194endif 1195 1196# libtraceevent is a recommended dependency picked up from the system. 1197ifneq ($(NO_LIBTRACEEVENT),1) 1198 $(call feature_check,libtraceevent) 1199 ifeq ($(feature-libtraceevent), 1) 1200 CFLAGS += -DHAVE_LIBTRACEEVENT 1201 EXTLIBS += -ltraceevent 1202 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent) 1203 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1204 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1205 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1206 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3)) 1207 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP) 1208 $(call detected,CONFIG_LIBTRACEEVENT) 1209 LIBTRACEEVENT_VERSION_WITH_TEP_FIELD_IS_RELATIVE := $(shell expr 1 \* 255 \* 255 + 5 \* 255 + 0) # 1.5.0 1210 ifeq ($(shell test $(LIBTRACEEVENT_VERSION_CPP) -gt $(LIBTRACEEVENT_VERSION_WITH_TEP_FIELD_IS_RELATIVE); echo $$?),0) 1211 CFLAGS += -DHAVE_LIBTRACEEVENT_TEP_FIELD_IS_RELATIVE 1212 endif 1213 else 1214 dummy := $(warning Warning: libtraceevent is missing limiting functionality, please install libtraceevent-dev/libtraceevent-devel) 1215 endif 1216 1217 $(call feature_check,libtracefs) 1218 ifeq ($(feature-libtracefs), 1) 1219 EXTLIBS += -ltracefs 1220 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs) 1221 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION))) 1222 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION))) 1223 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION))) 1224 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3)) 1225 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP) 1226 endif 1227endif 1228 1229# Among the variables below, these: 1230# perfexecdir 1231# libbpf_include_dir 1232# perf_examples_dir 1233# template_dir 1234# mandir 1235# infodir 1236# htmldir 1237# ETC_PERFCONFIG (but not sysconfdir) 1238# can be specified as a relative path some/where/else; 1239# this is interpreted as relative to $(prefix) and "perf" at 1240# runtime figures out where they are based on the path to the executable. 1241# This can help installing the suite in a relocatable way. 1242 1243# Make the path relative to DESTDIR, not to prefix 1244ifndef DESTDIR 1245prefix ?= $(HOME) 1246endif 1247bindir_relative = bin 1248bindir = $(abspath $(prefix)/$(bindir_relative)) 1249includedir_relative = include 1250includedir = $(abspath $(prefix)/$(includedir_relative)) 1251mandir = share/man 1252infodir = share/info 1253perfexecdir = libexec/perf-core 1254# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance 1255libbpf_include_dir = /usr/include 1256perf_examples_dir = lib/perf/examples 1257sharedir = $(prefix)/share 1258template_dir = share/perf-core/templates 1259STRACE_GROUPS_DIR = share/perf-core/strace/groups 1260htmldir = share/doc/perf-doc 1261tipdir = share/doc/perf-tip 1262srcdir = $(srctree)/tools/perf 1263ifeq ($(prefix),/usr) 1264sysconfdir = /etc 1265ETC_PERFCONFIG = $(sysconfdir)/perfconfig 1266else 1267sysconfdir = $(prefix)/etc 1268ETC_PERFCONFIG = etc/perfconfig 1269endif 1270ifndef lib 1271ifeq ($(SRCARCH)$(IS_64_BIT), x861) 1272lib = lib64 1273else 1274lib = lib 1275endif 1276endif # lib 1277libdir = $(prefix)/$(lib) 1278 1279# Shell quote (do not use $(call) to accommodate ancient setups); 1280ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) 1281STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR)) 1282DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) 1283bindir_SQ = $(subst ','\'',$(bindir)) 1284includedir_SQ = $(subst ','\'',$(includedir)) 1285mandir_SQ = $(subst ','\'',$(mandir)) 1286infodir_SQ = $(subst ','\'',$(infodir)) 1287perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) 1288libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir)) 1289perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir)) 1290template_dir_SQ = $(subst ','\'',$(template_dir)) 1291htmldir_SQ = $(subst ','\'',$(htmldir)) 1292tipdir_SQ = $(subst ','\'',$(tipdir)) 1293prefix_SQ = $(subst ','\'',$(prefix)) 1294sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) 1295libdir_SQ = $(subst ','\'',$(libdir)) 1296srcdir_SQ = $(subst ','\'',$(srcdir)) 1297 1298ifneq ($(filter /%,$(firstword $(perfexecdir))),) 1299perfexec_instdir = $(perfexecdir) 1300perf_include_instdir = $(libbpf_include_dir) 1301perf_examples_instdir = $(perf_examples_dir) 1302STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) 1303tip_instdir = $(tipdir) 1304else 1305perfexec_instdir = $(prefix)/$(perfexecdir) 1306perf_include_instdir = $(prefix)/$(libbpf_include_dir) 1307perf_examples_instdir = $(prefix)/$(perf_examples_dir) 1308STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) 1309tip_instdir = $(prefix)/$(tipdir) 1310endif 1311perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) 1312perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir)) 1313perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir)) 1314STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) 1315tip_instdir_SQ = $(subst ','\'',$(tip_instdir)) 1316 1317export perfexec_instdir_SQ 1318 1319print_var = $(eval $(print_var_code)) $(info $(MSG)) 1320define print_var_code 1321 MSG = $(shell printf '...%40s: %s' $(1) $($(1))) 1322endef 1323 1324ifeq ($(feature_display),1) 1325 $(call feature_display_entries) 1326endif 1327 1328ifeq ($(VF),1) 1329 # Display EXTRA features which are detected manualy 1330 # from here with feature_check call and thus cannot 1331 # be partof global state output. 1332 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG))) 1333 $(call print_var,prefix) 1334 $(call print_var,bindir) 1335 $(call print_var,libdir) 1336 $(call print_var,sysconfdir) 1337 $(call print_var,LIBUNWIND_DIR) 1338 $(call print_var,LIBDW_DIR) 1339 $(call print_var,JDIR) 1340 1341 ifeq ($(dwarf-post-unwind),1) 1342 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG)) 1343 endif 1344endif 1345 1346$(info ) 1347 1348$(call detected_var,bindir_SQ) 1349$(call detected_var,PYTHON_WORD) 1350ifneq ($(OUTPUT),) 1351$(call detected_var,OUTPUT) 1352endif 1353$(call detected_var,htmldir_SQ) 1354$(call detected_var,infodir_SQ) 1355$(call detected_var,mandir_SQ) 1356$(call detected_var,ETC_PERFCONFIG_SQ) 1357$(call detected_var,STRACE_GROUPS_DIR_SQ) 1358$(call detected_var,prefix_SQ) 1359$(call detected_var,perfexecdir_SQ) 1360$(call detected_var,libbpf_include_dir_SQ) 1361$(call detected_var,perf_examples_dir_SQ) 1362$(call detected_var,tipdir_SQ) 1363$(call detected_var,srcdir_SQ) 1364$(call detected_var,LIBDIR) 1365$(call detected_var,GTK_CFLAGS) 1366$(call detected_var,PERL_EMBED_CCOPTS) 1367$(call detected_var,PYTHON_EMBED_CCOPTS) 1368ifneq ($(BISON_FILE_PREFIX_MAP),) 1369$(call detected_var,BISON_FILE_PREFIX_MAP) 1370endif 1371 1372# re-generate FEATURE-DUMP as we may have called feature_check, found out 1373# extra libraries to add to LDFLAGS of some other test and then redo those 1374# tests. 1375$(shell rm -f $(FEATURE_DUMP_FILENAME)) 1376$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) 1377