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 else 593 dummy := $(error Error: libbpf devel library needs to be >= 0.8.0 to build with LIBBPF_DYNAMIC, update or build statically with the version that comes with the kernel sources); 594 endif 595 $(call feature_check,libbpf-btf__raw_data) 596 ifeq ($(feature-libbpf-btf__raw_data), 1) 597 CFLAGS += -DHAVE_LIBBPF_BTF__RAW_DATA 598 endif 599 $(call feature_check,libbpf-bpf_map_create) 600 ifeq ($(feature-libbpf-bpf_map_create), 1) 601 CFLAGS += -DHAVE_LIBBPF_BPF_MAP_CREATE 602 endif 603 else 604 dummy := $(error Error: No libbpf devel library found, please install libbpf-devel); 605 endif 606 else 607 # Libbpf will be built as a static library from tools/lib/bpf. 608 LIBBPF_STATIC := 1 609 CFLAGS += -DHAVE_LIBBPF_BTF__LOAD_FROM_KERNEL_BY_ID 610 CFLAGS += -DHAVE_LIBBPF_BPF_PROG_LOAD 611 CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_PROGRAM 612 CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_MAP 613 CFLAGS += -DHAVE_LIBBPF_BPF_PROGRAM__SET_INSNS 614 CFLAGS += -DHAVE_LIBBPF_BTF__RAW_DATA 615 CFLAGS += -DHAVE_LIBBPF_BPF_MAP_CREATE 616 endif 617 endif 618 619 ifndef NO_DWARF 620 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 621 CFLAGS += -DHAVE_BPF_PROLOGUE 622 $(call detected,CONFIG_BPF_PROLOGUE) 623 else 624 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset()); 625 endif 626 else 627 msg := $(warning DWARF support is off, BPF prologue is disabled); 628 endif 629 630 endif # NO_LIBBPF 631endif # NO_LIBELF 632 633ifndef NO_SDT 634 ifneq ($(feature-sdt), 1) 635 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev); 636 NO_SDT := 1; 637 else 638 CFLAGS += -DHAVE_SDT_EVENT 639 $(call detected,CONFIG_SDT_EVENT) 640 endif 641endif 642 643ifdef PERF_HAVE_JITDUMP 644 ifndef NO_LIBELF 645 $(call detected,CONFIG_JITDUMP) 646 CFLAGS += -DHAVE_JITDUMP 647 endif 648endif 649 650ifeq ($(SRCARCH),powerpc) 651 ifndef NO_DWARF 652 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX 653 endif 654endif 655 656ifndef NO_LIBUNWIND 657 have_libunwind := 658 659 $(call feature_check,libunwind-x86) 660 ifeq ($(feature-libunwind-x86), 1) 661 $(call detected,CONFIG_LIBUNWIND_X86) 662 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT 663 LDFLAGS += -lunwind-x86 664 EXTLIBS_LIBUNWIND += -lunwind-x86 665 have_libunwind = 1 666 endif 667 668 $(call feature_check,libunwind-aarch64) 669 ifeq ($(feature-libunwind-aarch64), 1) 670 $(call detected,CONFIG_LIBUNWIND_AARCH64) 671 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT 672 LDFLAGS += -lunwind-aarch64 673 EXTLIBS_LIBUNWIND += -lunwind-aarch64 674 have_libunwind = 1 675 $(call feature_check,libunwind-debug-frame-aarch64) 676 ifneq ($(feature-libunwind-debug-frame-aarch64), 1) 677 msg := $(warning No debug_frame support found in libunwind-aarch64); 678 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64 679 endif 680 endif 681 682 ifneq ($(feature-libunwind), 1) 683 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR); 684 NO_LOCAL_LIBUNWIND := 1 685 else 686 have_libunwind := 1 687 $(call detected,CONFIG_LOCAL_LIBUNWIND) 688 endif 689 690 ifneq ($(have_libunwind), 1) 691 NO_LIBUNWIND := 1 692 endif 693else 694 NO_LOCAL_LIBUNWIND := 1 695endif 696 697ifndef NO_LIBBPF 698 ifneq ($(feature-bpf), 1) 699 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) 700 NO_LIBBPF := 1 701 endif 702endif 703 704ifdef BUILD_BPF_SKEL 705 $(call feature_check,clang-bpf-co-re) 706 ifeq ($(feature-clang-bpf-co-re), 0) 707 dummy := $(error Error: clang too old/not installed. Please install recent clang to build with BUILD_BPF_SKEL) 708 endif 709 ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) 710 dummy := $(error Error: BPF skeleton support requires libbpf) 711 endif 712 $(call detected,CONFIG_PERF_BPF_SKEL) 713 CFLAGS += -DHAVE_BPF_SKEL 714endif 715 716dwarf-post-unwind := 1 717dwarf-post-unwind-text := BUG 718 719# setup DWARF post unwinder 720ifdef NO_LIBUNWIND 721 ifdef NO_LIBDW_DWARF_UNWIND 722 msg := $(warning Disabling post unwind, no support found.); 723 dwarf-post-unwind := 0 724 else 725 dwarf-post-unwind-text := libdw 726 $(call detected,CONFIG_LIBDW_DWARF_UNWIND) 727 endif 728else 729 dwarf-post-unwind-text := libunwind 730 $(call detected,CONFIG_LIBUNWIND) 731 # Enable libunwind support by default. 732 ifndef NO_LIBDW_DWARF_UNWIND 733 NO_LIBDW_DWARF_UNWIND := 1 734 endif 735endif 736 737ifeq ($(dwarf-post-unwind),1) 738 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT 739 $(call detected,CONFIG_DWARF_UNWIND) 740else 741 NO_DWARF_UNWIND := 1 742endif 743 744ifndef NO_LOCAL_LIBUNWIND 745 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64)) 746 $(call feature_check,libunwind-debug-frame) 747 ifneq ($(feature-libunwind-debug-frame), 1) 748 msg := $(warning No debug_frame support found in libunwind); 749 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 750 endif 751 else 752 # non-ARM has no dwarf_find_debug_frame() function: 753 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 754 endif 755 EXTLIBS += $(LIBUNWIND_LIBS) 756 LDFLAGS += $(LIBUNWIND_LIBS) 757endif 758ifeq ($(findstring -static,${LDFLAGS}),-static) 759 # gcc -static links libgcc_eh which contans piece of libunwind 760 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition 761endif 762 763ifndef NO_LIBUNWIND 764 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT 765 CFLAGS += $(LIBUNWIND_CFLAGS) 766 LDFLAGS += $(LIBUNWIND_LDFLAGS) 767 EXTLIBS += $(EXTLIBS_LIBUNWIND) 768endif 769 770ifneq ($(NO_LIBTRACEEVENT),1) 771 ifeq ($(NO_SYSCALL_TABLE),0) 772 $(call detected,CONFIG_TRACE) 773 else 774 ifndef NO_LIBAUDIT 775 $(call feature_check,libaudit) 776 ifneq ($(feature-libaudit), 1) 777 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev); 778 NO_LIBAUDIT := 1 779 else 780 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT 781 EXTLIBS += -laudit 782 $(call detected,CONFIG_TRACE) 783 endif 784 endif 785 endif 786endif 787 788ifndef NO_LIBCRYPTO 789 ifneq ($(feature-libcrypto), 1) 790 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev); 791 NO_LIBCRYPTO := 1 792 else 793 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT 794 EXTLIBS += -lcrypto 795 $(call detected,CONFIG_CRYPTO) 796 endif 797endif 798 799ifdef NO_NEWT 800 NO_SLANG=1 801endif 802 803ifndef NO_SLANG 804 ifneq ($(feature-libslang), 1) 805 ifneq ($(feature-libslang-include-subdir), 1) 806 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev); 807 NO_SLANG := 1 808 else 809 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR 810 endif 811 endif 812 ifndef NO_SLANG 813 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h 814 CFLAGS += -DHAVE_SLANG_SUPPORT 815 EXTLIBS += -lslang 816 $(call detected,CONFIG_SLANG) 817 endif 818endif 819 820ifdef GTK2 821 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) 822 $(call feature_check,gtk2) 823 ifneq ($(feature-gtk2), 1) 824 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev); 825 NO_GTK2 := 1 826 else 827 $(call feature_check,gtk2-infobar) 828 ifeq ($(feature-gtk2-infobar), 1) 829 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT 830 endif 831 CFLAGS += -DHAVE_GTK2_SUPPORT 832 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) 833 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) 834 EXTLIBS += -ldl 835 endif 836endif 837 838ifdef NO_LIBPERL 839 CFLAGS += -DNO_LIBPERL 840else 841 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) 842 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) 843 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) 844 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) 845 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) 846 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) 847 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 848 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) 849 850 ifneq ($(feature-libperl), 1) 851 CFLAGS += -DNO_LIBPERL 852 NO_LIBPERL := 1 853 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev); 854 else 855 LDFLAGS += $(PERL_EMBED_LDFLAGS) 856 EXTLIBS += $(PERL_EMBED_LIBADD) 857 CFLAGS += -DHAVE_LIBPERL_SUPPORT 858 ifeq ($(CC_NO_CLANG), 0) 859 CFLAGS += -Wno-compound-token-split-by-macro 860 endif 861 $(call detected,CONFIG_LIBPERL) 862 endif 863endif 864 865ifeq ($(feature-timerfd), 1) 866 CFLAGS += -DHAVE_TIMERFD_SUPPORT 867else 868 msg := $(warning No timerfd support. Disables 'perf kvm stat live'); 869endif 870 871disable-python = $(eval $(disable-python_code)) 872define disable-python_code 873 CFLAGS += -DNO_LIBPYTHON 874 $(warning $1) 875 NO_LIBPYTHON := 1 876endef 877 878PYTHON_EXTENSION_SUFFIX := '.so' 879ifdef NO_LIBPYTHON 880 $(call disable-python,Python support disabled by user) 881else 882 883 ifndef PYTHON 884 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev) 885 else 886 PYTHON_WORD := $(call shell-wordify,$(PYTHON)) 887 888 ifndef PYTHON_CONFIG 889 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) 890 else 891 892 ifneq ($(feature-libpython), 1) 893 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev) 894 else 895 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 896 EXTLIBS += $(PYTHON_EMBED_LIBADD) 897 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no") 898 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes) 899 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])') 900 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX) 901 else 902 msg := $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent); 903 endif 904 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT 905 $(call detected,CONFIG_LIBPYTHON) 906 endif 907 endif 908 endif 909endif 910 911ifneq ($(NO_JEVENTS),1) 912 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),) 913 NO_JEVENTS := 1 914 endif 915endif 916ifneq ($(NO_JEVENTS),1) 917 NO_JEVENTS := 0 918 ifndef PYTHON 919 $(warning No python interpreter disabling jevent generation) 920 NO_JEVENTS := 1 921 else 922 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016. 923 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) 924 ifneq ($(JEVENTS_PYTHON_GOOD), 1) 925 $(warning Python interpreter too old (older than 3.6) disabling jevent generation) 926 NO_JEVENTS := 1 927 endif 928 endif 929endif 930 931ifndef NO_LIBBFD 932 ifeq ($(feature-libbfd), 1) 933 EXTLIBS += -lbfd -lopcodes 934 else 935 # we are on a system that requires -liberty and (maybe) -lz 936 # to link against -lbfd; test each case individually here 937 938 # call all detections now so we get correct 939 # status in VF output 940 $(call feature_check,libbfd-liberty) 941 $(call feature_check,libbfd-liberty-z) 942 943 ifeq ($(feature-libbfd-liberty), 1) 944 EXTLIBS += -lbfd -lopcodes -liberty 945 else 946 ifeq ($(feature-libbfd-liberty-z), 1) 947 EXTLIBS += -lbfd -lopcodes -liberty -lz 948 endif 949 endif 950 $(call feature_check,disassembler-four-args) 951 $(call feature_check,disassembler-init-styled) 952 endif 953 954 ifeq ($(feature-libbfd-buildid), 1) 955 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT 956 else 957 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available); 958 endif 959endif 960 961ifdef NO_DEMANGLE 962 CFLAGS += -DNO_DEMANGLE 963else 964 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT 965 EXTLIBS += -liberty 966 else 967 ifeq ($(filter -liberty,$(EXTLIBS)),) 968 $(call feature_check,cplus-demangle) 969 970 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT 971 # or any of 'bfd iberty z' trinity 972 ifeq ($(feature-cplus-demangle), 1) 973 EXTLIBS += -liberty 974 else 975 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling) 976 CFLAGS += -DNO_DEMANGLE 977 endif 978 endif 979 endif 980 981 ifneq ($(filter -liberty,$(EXTLIBS)),) 982 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 983 endif 984endif 985 986ifneq ($(filter -lbfd,$(EXTLIBS)),) 987 CFLAGS += -DHAVE_LIBBFD_SUPPORT 988endif 989 990ifndef NO_ZLIB 991 ifeq ($(feature-zlib), 1) 992 CFLAGS += -DHAVE_ZLIB_SUPPORT 993 EXTLIBS += -lz 994 $(call detected,CONFIG_ZLIB) 995 else 996 NO_ZLIB := 1 997 endif 998endif 999 1000ifndef NO_LZMA 1001 ifeq ($(feature-lzma), 1) 1002 CFLAGS += -DHAVE_LZMA_SUPPORT 1003 EXTLIBS += -llzma 1004 $(call detected,CONFIG_LZMA) 1005 else 1006 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev); 1007 NO_LZMA := 1 1008 endif 1009endif 1010 1011ifndef NO_LIBZSTD 1012 ifeq ($(feature-libzstd), 1) 1013 CFLAGS += -DHAVE_ZSTD_SUPPORT 1014 CFLAGS += $(LIBZSTD_CFLAGS) 1015 LDFLAGS += $(LIBZSTD_LDFLAGS) 1016 EXTLIBS += -lzstd 1017 $(call detected,CONFIG_ZSTD) 1018 else 1019 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR); 1020 NO_LIBZSTD := 1 1021 endif 1022endif 1023 1024ifndef NO_LIBCAP 1025 ifeq ($(feature-libcap), 1) 1026 CFLAGS += -DHAVE_LIBCAP_SUPPORT 1027 EXTLIBS += -lcap 1028 $(call detected,CONFIG_LIBCAP) 1029 else 1030 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev); 1031 NO_LIBCAP := 1 1032 endif 1033endif 1034 1035ifndef NO_BACKTRACE 1036 ifeq ($(feature-backtrace), 1) 1037 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 1038 endif 1039endif 1040 1041ifndef NO_LIBNUMA 1042 ifeq ($(feature-libnuma), 0) 1043 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev); 1044 NO_LIBNUMA := 1 1045 else 1046 ifeq ($(feature-numa_num_possible_cpus), 0) 1047 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8); 1048 NO_LIBNUMA := 1 1049 else 1050 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 1051 EXTLIBS += -lnuma 1052 $(call detected,CONFIG_NUMA) 1053 endif 1054 endif 1055endif 1056 1057ifdef HAVE_KVM_STAT_SUPPORT 1058 CFLAGS += -DHAVE_KVM_STAT_SUPPORT 1059endif 1060 1061ifeq ($(feature-disassembler-four-args), 1) 1062 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 1063endif 1064 1065ifeq ($(feature-disassembler-init-styled), 1) 1066 CFLAGS += -DDISASM_INIT_STYLED 1067endif 1068 1069ifeq (${IS_64_BIT}, 1) 1070 ifndef NO_PERF_READ_VDSO32 1071 $(call feature_check,compile-32) 1072 ifeq ($(feature-compile-32), 1) 1073 CFLAGS += -DHAVE_PERF_READ_VDSO32 1074 else 1075 NO_PERF_READ_VDSO32 := 1 1076 endif 1077 endif 1078 ifneq ($(SRCARCH), x86) 1079 NO_PERF_READ_VDSOX32 := 1 1080 endif 1081 ifndef NO_PERF_READ_VDSOX32 1082 $(call feature_check,compile-x32) 1083 ifeq ($(feature-compile-x32), 1) 1084 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1085 else 1086 NO_PERF_READ_VDSOX32 := 1 1087 endif 1088 endif 1089else 1090 NO_PERF_READ_VDSO32 := 1 1091 NO_PERF_READ_VDSOX32 := 1 1092endif 1093 1094ifndef NO_LIBBABELTRACE 1095 $(call feature_check,libbabeltrace) 1096 ifeq ($(feature-libbabeltrace), 1) 1097 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS) 1098 LDFLAGS += $(LIBBABELTRACE_LDFLAGS) 1099 EXTLIBS += -lbabeltrace-ctf 1100 $(call detected,CONFIG_LIBBABELTRACE) 1101 else 1102 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev); 1103 endif 1104endif 1105 1106ifndef NO_AUXTRACE 1107 ifeq ($(SRCARCH),x86) 1108 ifeq ($(feature-get_cpuid), 0) 1109 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc); 1110 NO_AUXTRACE := 1 1111 endif 1112 endif 1113 ifndef NO_AUXTRACE 1114 $(call detected,CONFIG_AUXTRACE) 1115 CFLAGS += -DHAVE_AUXTRACE_SUPPORT 1116 ifeq ($(feature-reallocarray), 0) 1117 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 1118 endif 1119 endif 1120endif 1121 1122ifndef NO_JVMTI 1123 ifneq (,$(wildcard /usr/sbin/update-java-alternatives)) 1124 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}') 1125 else 1126 ifneq (,$(wildcard /usr/sbin/alternatives)) 1127 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g') 1128 endif 1129 endif 1130 ifndef JDIR 1131 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory) 1132 NO_JVMTI := 1 1133 endif 1134endif 1135 1136ifndef NO_JVMTI 1137 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux 1138 $(call feature_check,jvmti) 1139 ifeq ($(feature-jvmti), 1) 1140 $(call detected_var,JDIR) 1141 ifndef NO_JVMTI_CMLR 1142 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti) 1143 $(call feature_check,jvmti-cmlr) 1144 ifeq ($(feature-jvmti-cmlr), 1) 1145 CFLAGS += -DHAVE_JVMTI_CMLR 1146 endif 1147 endif # NO_JVMTI_CMLR 1148 else 1149 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel) 1150 NO_JVMTI := 1 1151 endif 1152endif 1153 1154USE_CXX = 0 1155USE_CLANGLLVM = 0 1156ifdef LIBCLANGLLVM 1157 $(call feature_check,cxx) 1158 ifneq ($(feature-cxx), 1) 1159 msg := $(warning No g++ found, disable clang and llvm support. Please install g++) 1160 else 1161 $(call feature_check,llvm) 1162 $(call feature_check,llvm-version) 1163 ifneq ($(feature-llvm), 1) 1164 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0)) 1165 else 1166 $(call feature_check,clang) 1167 ifneq ($(feature-clang), 1) 1168 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0)) 1169 else 1170 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT 1171 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir) 1172 $(call detected,CONFIG_CXX) 1173 $(call detected,CONFIG_CLANGLLVM) 1174 USE_CXX = 1 1175 USE_LLVM = 1 1176 USE_CLANG = 1 1177 ifneq ($(feature-llvm-version),1) 1178 msg := $(warning This version of LLVM is not tested. May cause build errors) 1179 endif 1180 endif 1181 endif 1182 endif 1183endif 1184 1185ifdef LIBPFM4 1186 $(call feature_check,libpfm4) 1187 ifeq ($(feature-libpfm4), 1) 1188 CFLAGS += -DHAVE_LIBPFM 1189 EXTLIBS += -lpfm 1190 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 1191 $(call detected,CONFIG_LIBPFM4) 1192 else 1193 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev); 1194 NO_LIBPFM4 := 1 1195 endif 1196endif 1197 1198# libtraceevent is a recommended dependency picked up from the system. 1199ifneq ($(NO_LIBTRACEEVENT),1) 1200 $(call feature_check,libtraceevent) 1201 ifeq ($(feature-libtraceevent), 1) 1202 CFLAGS += -DHAVE_LIBTRACEEVENT 1203 EXTLIBS += -ltraceevent 1204 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent) 1205 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1206 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1207 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1208 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3)) 1209 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP) 1210 $(call detected,CONFIG_LIBTRACEEVENT) 1211 LIBTRACEEVENT_VERSION_WITH_TEP_FIELD_IS_RELATIVE := $(shell expr 1 \* 255 \* 255 + 5 \* 255 + 0) # 1.5.0 1212 ifeq ($(shell test $(LIBTRACEEVENT_VERSION_CPP) -gt $(LIBTRACEEVENT_VERSION_WITH_TEP_FIELD_IS_RELATIVE); echo $$?),0) 1213 CFLAGS += -DHAVE_LIBTRACEEVENT_TEP_FIELD_IS_RELATIVE 1214 endif 1215 else 1216 dummy := $(warning Warning: libtraceevent is missing limiting functionality, please install libtraceevent-dev/libtraceevent-devel) 1217 endif 1218 1219 $(call feature_check,libtracefs) 1220 ifeq ($(feature-libtracefs), 1) 1221 EXTLIBS += -ltracefs 1222 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs) 1223 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION))) 1224 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION))) 1225 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION))) 1226 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3)) 1227 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP) 1228 endif 1229endif 1230 1231# Among the variables below, these: 1232# perfexecdir 1233# libbpf_include_dir 1234# perf_examples_dir 1235# template_dir 1236# mandir 1237# infodir 1238# htmldir 1239# ETC_PERFCONFIG (but not sysconfdir) 1240# can be specified as a relative path some/where/else; 1241# this is interpreted as relative to $(prefix) and "perf" at 1242# runtime figures out where they are based on the path to the executable. 1243# This can help installing the suite in a relocatable way. 1244 1245# Make the path relative to DESTDIR, not to prefix 1246ifndef DESTDIR 1247prefix ?= $(HOME) 1248endif 1249bindir_relative = bin 1250bindir = $(abspath $(prefix)/$(bindir_relative)) 1251includedir_relative = include 1252includedir = $(abspath $(prefix)/$(includedir_relative)) 1253mandir = share/man 1254infodir = share/info 1255perfexecdir = libexec/perf-core 1256# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance 1257libbpf_include_dir = /usr/include 1258perf_examples_dir = lib/perf/examples 1259sharedir = $(prefix)/share 1260template_dir = share/perf-core/templates 1261STRACE_GROUPS_DIR = share/perf-core/strace/groups 1262htmldir = share/doc/perf-doc 1263tipdir = share/doc/perf-tip 1264srcdir = $(srctree)/tools/perf 1265ifeq ($(prefix),/usr) 1266sysconfdir = /etc 1267ETC_PERFCONFIG = $(sysconfdir)/perfconfig 1268else 1269sysconfdir = $(prefix)/etc 1270ETC_PERFCONFIG = etc/perfconfig 1271endif 1272ifndef lib 1273ifeq ($(SRCARCH)$(IS_64_BIT), x861) 1274lib = lib64 1275else 1276lib = lib 1277endif 1278endif # lib 1279libdir = $(prefix)/$(lib) 1280 1281# Shell quote (do not use $(call) to accommodate ancient setups); 1282ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) 1283STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR)) 1284DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) 1285bindir_SQ = $(subst ','\'',$(bindir)) 1286includedir_SQ = $(subst ','\'',$(includedir)) 1287mandir_SQ = $(subst ','\'',$(mandir)) 1288infodir_SQ = $(subst ','\'',$(infodir)) 1289perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) 1290libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir)) 1291perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir)) 1292template_dir_SQ = $(subst ','\'',$(template_dir)) 1293htmldir_SQ = $(subst ','\'',$(htmldir)) 1294tipdir_SQ = $(subst ','\'',$(tipdir)) 1295prefix_SQ = $(subst ','\'',$(prefix)) 1296sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) 1297libdir_SQ = $(subst ','\'',$(libdir)) 1298srcdir_SQ = $(subst ','\'',$(srcdir)) 1299 1300ifneq ($(filter /%,$(firstword $(perfexecdir))),) 1301perfexec_instdir = $(perfexecdir) 1302perf_include_instdir = $(libbpf_include_dir) 1303perf_examples_instdir = $(perf_examples_dir) 1304STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) 1305tip_instdir = $(tipdir) 1306else 1307perfexec_instdir = $(prefix)/$(perfexecdir) 1308perf_include_instdir = $(prefix)/$(libbpf_include_dir) 1309perf_examples_instdir = $(prefix)/$(perf_examples_dir) 1310STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) 1311tip_instdir = $(prefix)/$(tipdir) 1312endif 1313perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) 1314perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir)) 1315perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir)) 1316STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) 1317tip_instdir_SQ = $(subst ','\'',$(tip_instdir)) 1318 1319export perfexec_instdir_SQ 1320 1321print_var = $(eval $(print_var_code)) $(info $(MSG)) 1322define print_var_code 1323 MSG = $(shell printf '...%40s: %s' $(1) $($(1))) 1324endef 1325 1326ifeq ($(feature_display),1) 1327 $(call feature_display_entries) 1328endif 1329 1330ifeq ($(VF),1) 1331 # Display EXTRA features which are detected manualy 1332 # from here with feature_check call and thus cannot 1333 # be partof global state output. 1334 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG))) 1335 $(call print_var,prefix) 1336 $(call print_var,bindir) 1337 $(call print_var,libdir) 1338 $(call print_var,sysconfdir) 1339 $(call print_var,LIBUNWIND_DIR) 1340 $(call print_var,LIBDW_DIR) 1341 $(call print_var,JDIR) 1342 1343 ifeq ($(dwarf-post-unwind),1) 1344 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG)) 1345 endif 1346endif 1347 1348$(info ) 1349 1350$(call detected_var,bindir_SQ) 1351$(call detected_var,PYTHON_WORD) 1352ifneq ($(OUTPUT),) 1353$(call detected_var,OUTPUT) 1354endif 1355$(call detected_var,htmldir_SQ) 1356$(call detected_var,infodir_SQ) 1357$(call detected_var,mandir_SQ) 1358$(call detected_var,ETC_PERFCONFIG_SQ) 1359$(call detected_var,STRACE_GROUPS_DIR_SQ) 1360$(call detected_var,prefix_SQ) 1361$(call detected_var,perfexecdir_SQ) 1362$(call detected_var,libbpf_include_dir_SQ) 1363$(call detected_var,perf_examples_dir_SQ) 1364$(call detected_var,tipdir_SQ) 1365$(call detected_var,srcdir_SQ) 1366$(call detected_var,LIBDIR) 1367$(call detected_var,GTK_CFLAGS) 1368$(call detected_var,PERL_EMBED_CCOPTS) 1369$(call detected_var,PYTHON_EMBED_CCOPTS) 1370ifneq ($(BISON_FILE_PREFIX_MAP),) 1371$(call detected_var,BISON_FILE_PREFIX_MAP) 1372endif 1373 1374# re-generate FEATURE-DUMP as we may have called feature_check, found out 1375# extra libraries to add to LDFLAGS of some other test and then redo those 1376# tests. 1377$(shell rm -f $(FEATURE_DUMP_FILENAME)) 1378$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) 1379