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_BPF_SKEL := 1 419 NO_JVMTI := 1 420else 421 ifeq ($(feature-libelf), 0) 422 ifeq ($(feature-glibc), 1) 423 LIBC_SUPPORT := 1 424 endif 425 ifeq ($(BIONIC),1) 426 LIBC_SUPPORT := 1 427 endif 428 ifeq ($(LIBC_SUPPORT),1) 429 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); 430 431 NO_LIBELF := 1 432 NO_DWARF := 1 433 NO_DEMANGLE := 1 434 NO_LIBUNWIND := 1 435 NO_LIBDW_DWARF_UNWIND := 1 436 NO_LIBBPF := 1 437 NO_JVMTI := 1 438 else 439 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),) 440 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0) 441 msg := $(error No libasan found, please install libasan); 442 endif 443 endif 444 445 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),) 446 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0) 447 msg := $(error No libubsan found, please install libubsan); 448 endif 449 endif 450 451 ifneq ($(filter s% -static%,$(LDFLAGS),),) 452 msg := $(error No static glibc found, please install glibc-static); 453 else 454 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]); 455 endif 456 endif 457 else 458 ifndef NO_LIBDW_DWARF_UNWIND 459 ifneq ($(feature-libdw-dwarf-unwind),1) 460 NO_LIBDW_DWARF_UNWIND := 1 461 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR); 462 endif 463 endif 464 ifneq ($(feature-dwarf), 1) 465 ifndef NO_DWARF 466 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); 467 NO_DWARF := 1 468 endif 469 else 470 ifneq ($(feature-dwarf_getlocations), 1) 471 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157); 472 else 473 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT 474 endif # dwarf_getlocations 475 endif # Dwarf support 476 endif # libelf support 477endif # NO_LIBELF 478 479ifeq ($(feature-libaio), 1) 480 ifndef NO_AIO 481 CFLAGS += -DHAVE_AIO_SUPPORT 482 endif 483endif 484 485ifdef NO_DWARF 486 NO_LIBDW_DWARF_UNWIND := 1 487endif 488 489ifeq ($(feature-sched_getcpu), 1) 490 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT 491endif 492 493ifeq ($(feature-setns), 1) 494 CFLAGS += -DHAVE_SETNS_SUPPORT 495 $(call detected,CONFIG_SETNS) 496endif 497 498ifdef CORESIGHT 499 $(call feature_check,libopencsd) 500 ifeq ($(feature-libopencsd), 1) 501 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS) 502 ifeq ($(feature-reallocarray), 0) 503 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 504 endif 505 LDFLAGS += $(LIBOPENCSD_LDFLAGS) 506 EXTLIBS += $(OPENCSDLIBS) 507 $(call detected,CONFIG_LIBOPENCSD) 508 ifdef CSTRACE_RAW 509 CFLAGS += -DCS_DEBUG_RAW 510 ifeq (${CSTRACE_RAW}, packed) 511 CFLAGS += -DCS_RAW_PACKED 512 endif 513 endif 514 else 515 dummy := $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1) 516 endif 517endif 518 519ifndef NO_LIBELF 520 CFLAGS += -DHAVE_LIBELF_SUPPORT 521 EXTLIBS += -lelf 522 $(call detected,CONFIG_LIBELF) 523 524 ifeq ($(feature-libelf-getphdrnum), 1) 525 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT 526 endif 527 528 ifeq ($(feature-libelf-gelf_getnote), 1) 529 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT 530 else 531 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled); 532 endif 533 534 ifeq ($(feature-libelf-getshdrstrndx), 1) 535 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT 536 endif 537 538 ifndef NO_LIBDEBUGINFOD 539 $(call feature_check,libdebuginfod) 540 ifeq ($(feature-libdebuginfod), 1) 541 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT 542 EXTLIBS += -ldebuginfod 543 endif 544 endif 545 546 ifndef NO_DWARF 547 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined) 548 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled); 549 NO_DWARF := 1 550 else 551 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS) 552 LDFLAGS += $(LIBDW_LDFLAGS) 553 EXTLIBS += ${DWARFLIBS} 554 $(call detected,CONFIG_DWARF) 555 endif # PERF_HAVE_DWARF_REGS 556 endif # NO_DWARF 557 558 ifndef NO_LIBBPF 559 ifeq ($(feature-bpf), 1) 560 CFLAGS += -DHAVE_LIBBPF_SUPPORT 561 $(call detected,CONFIG_LIBBPF) 562 563 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status 564 $(call feature_check,libbpf) 565 566 ifdef LIBBPF_DYNAMIC 567 ifeq ($(feature-libbpf), 1) 568 EXTLIBS += -lbpf 569 $(call detected,CONFIG_LIBBPF_DYNAMIC) 570 else 571 dummy := $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel); 572 endif 573 else 574 # Libbpf will be built as a static library from tools/lib/bpf. 575 LIBBPF_STATIC := 1 576 endif 577 endif 578 579 ifndef NO_DWARF 580 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 581 CFLAGS += -DHAVE_BPF_PROLOGUE 582 $(call detected,CONFIG_BPF_PROLOGUE) 583 else 584 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset()); 585 endif 586 else 587 msg := $(warning DWARF support is off, BPF prologue is disabled); 588 endif 589 590 endif # NO_LIBBPF 591endif # NO_LIBELF 592 593ifndef NO_SDT 594 ifneq ($(feature-sdt), 1) 595 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev); 596 NO_SDT := 1; 597 else 598 CFLAGS += -DHAVE_SDT_EVENT 599 $(call detected,CONFIG_SDT_EVENT) 600 endif 601endif 602 603ifdef PERF_HAVE_JITDUMP 604 ifndef NO_LIBELF 605 $(call detected,CONFIG_JITDUMP) 606 CFLAGS += -DHAVE_JITDUMP 607 endif 608endif 609 610ifeq ($(SRCARCH),powerpc) 611 ifndef NO_DWARF 612 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX 613 endif 614endif 615 616ifndef NO_LIBUNWIND 617 have_libunwind := 618 619 $(call feature_check,libunwind-x86) 620 ifeq ($(feature-libunwind-x86), 1) 621 $(call detected,CONFIG_LIBUNWIND_X86) 622 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT 623 LDFLAGS += -lunwind-x86 624 EXTLIBS_LIBUNWIND += -lunwind-x86 625 have_libunwind = 1 626 endif 627 628 $(call feature_check,libunwind-aarch64) 629 ifeq ($(feature-libunwind-aarch64), 1) 630 $(call detected,CONFIG_LIBUNWIND_AARCH64) 631 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT 632 LDFLAGS += -lunwind-aarch64 633 EXTLIBS_LIBUNWIND += -lunwind-aarch64 634 have_libunwind = 1 635 $(call feature_check,libunwind-debug-frame-aarch64) 636 ifneq ($(feature-libunwind-debug-frame-aarch64), 1) 637 msg := $(warning No debug_frame support found in libunwind-aarch64); 638 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64 639 endif 640 endif 641 642 ifneq ($(feature-libunwind), 1) 643 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR); 644 NO_LOCAL_LIBUNWIND := 1 645 else 646 have_libunwind := 1 647 $(call detected,CONFIG_LOCAL_LIBUNWIND) 648 endif 649 650 ifneq ($(have_libunwind), 1) 651 NO_LIBUNWIND := 1 652 endif 653else 654 NO_LOCAL_LIBUNWIND := 1 655endif 656 657ifndef NO_LIBBPF 658 ifneq ($(feature-bpf), 1) 659 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) 660 NO_LIBBPF := 1 661 endif 662else 663 NO_BPF_SKEL := 1 664endif 665 666ifndef NO_BPF_SKEL 667 $(call feature_check,clang-bpf-co-re) 668 ifeq ($(feature-clang-bpf-co-re), 0) 669 dummy := $(error: ERROR: BPF skeletons unsupported. clang too old/not installed or build with NO_BPF_SKEL=1.) 670 else 671 ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) 672 dummy := $(error: ERROR: BPF skeletons unsupported. BPF skeleton support requires libbpf or build with NO_BPF_SKEL=1.) 673 else 674 $(call detected,CONFIG_PERF_BPF_SKEL) 675 CFLAGS += -DHAVE_BPF_SKEL 676 endif 677 endif 678endif 679 680dwarf-post-unwind := 1 681dwarf-post-unwind-text := BUG 682 683# setup DWARF post unwinder 684ifdef NO_LIBUNWIND 685 ifdef NO_LIBDW_DWARF_UNWIND 686 msg := $(warning Disabling post unwind, no support found.); 687 dwarf-post-unwind := 0 688 else 689 dwarf-post-unwind-text := libdw 690 $(call detected,CONFIG_LIBDW_DWARF_UNWIND) 691 endif 692else 693 dwarf-post-unwind-text := libunwind 694 $(call detected,CONFIG_LIBUNWIND) 695 # Enable libunwind support by default. 696 ifndef NO_LIBDW_DWARF_UNWIND 697 NO_LIBDW_DWARF_UNWIND := 1 698 endif 699endif 700 701ifeq ($(dwarf-post-unwind),1) 702 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT 703 $(call detected,CONFIG_DWARF_UNWIND) 704else 705 NO_DWARF_UNWIND := 1 706endif 707 708ifndef NO_LOCAL_LIBUNWIND 709 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64)) 710 $(call feature_check,libunwind-debug-frame) 711 ifneq ($(feature-libunwind-debug-frame), 1) 712 msg := $(warning No debug_frame support found in libunwind); 713 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 714 endif 715 else 716 # non-ARM has no dwarf_find_debug_frame() function: 717 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 718 endif 719 EXTLIBS += $(LIBUNWIND_LIBS) 720 LDFLAGS += $(LIBUNWIND_LIBS) 721endif 722ifeq ($(findstring -static,${LDFLAGS}),-static) 723 # gcc -static links libgcc_eh which contans piece of libunwind 724 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition 725endif 726 727ifndef NO_LIBUNWIND 728 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT 729 CFLAGS += $(LIBUNWIND_CFLAGS) 730 LDFLAGS += $(LIBUNWIND_LDFLAGS) 731 EXTLIBS += $(EXTLIBS_LIBUNWIND) 732endif 733 734ifneq ($(NO_LIBTRACEEVENT),1) 735 ifeq ($(NO_SYSCALL_TABLE),0) 736 $(call detected,CONFIG_TRACE) 737 else 738 ifndef NO_LIBAUDIT 739 $(call feature_check,libaudit) 740 ifneq ($(feature-libaudit), 1) 741 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev); 742 NO_LIBAUDIT := 1 743 else 744 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT 745 EXTLIBS += -laudit 746 $(call detected,CONFIG_TRACE) 747 endif 748 endif 749 endif 750endif 751 752ifndef NO_LIBCRYPTO 753 ifneq ($(feature-libcrypto), 1) 754 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev); 755 NO_LIBCRYPTO := 1 756 else 757 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT 758 EXTLIBS += -lcrypto 759 $(call detected,CONFIG_CRYPTO) 760 endif 761endif 762 763ifndef NO_SLANG 764 ifneq ($(feature-libslang), 1) 765 ifneq ($(feature-libslang-include-subdir), 1) 766 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev); 767 NO_SLANG := 1 768 else 769 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR 770 endif 771 endif 772 ifndef NO_SLANG 773 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h 774 CFLAGS += -DHAVE_SLANG_SUPPORT 775 EXTLIBS += -lslang 776 $(call detected,CONFIG_SLANG) 777 endif 778endif 779 780ifdef GTK2 781 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) 782 $(call feature_check,gtk2) 783 ifneq ($(feature-gtk2), 1) 784 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev); 785 NO_GTK2 := 1 786 else 787 $(call feature_check,gtk2-infobar) 788 ifeq ($(feature-gtk2-infobar), 1) 789 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT 790 endif 791 CFLAGS += -DHAVE_GTK2_SUPPORT 792 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) 793 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) 794 EXTLIBS += -ldl 795 endif 796endif 797 798ifdef NO_LIBPERL 799 CFLAGS += -DNO_LIBPERL 800else 801 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) 802 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) 803 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) 804 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) 805 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) 806 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) 807 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 808 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) 809 810 ifneq ($(feature-libperl), 1) 811 CFLAGS += -DNO_LIBPERL 812 NO_LIBPERL := 1 813 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev); 814 else 815 LDFLAGS += $(PERL_EMBED_LDFLAGS) 816 EXTLIBS += $(PERL_EMBED_LIBADD) 817 CFLAGS += -DHAVE_LIBPERL_SUPPORT 818 ifeq ($(CC_NO_CLANG), 0) 819 CFLAGS += -Wno-compound-token-split-by-macro 820 endif 821 $(call detected,CONFIG_LIBPERL) 822 endif 823endif 824 825ifeq ($(feature-timerfd), 1) 826 CFLAGS += -DHAVE_TIMERFD_SUPPORT 827else 828 msg := $(warning No timerfd support. Disables 'perf kvm stat live'); 829endif 830 831disable-python = $(eval $(disable-python_code)) 832define disable-python_code 833 CFLAGS += -DNO_LIBPYTHON 834 $(warning $1) 835 NO_LIBPYTHON := 1 836endef 837 838PYTHON_EXTENSION_SUFFIX := '.so' 839ifdef NO_LIBPYTHON 840 $(call disable-python,Python support disabled by user) 841else 842 843 ifndef PYTHON 844 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev) 845 else 846 PYTHON_WORD := $(call shell-wordify,$(PYTHON)) 847 848 ifndef PYTHON_CONFIG 849 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) 850 else 851 852 ifneq ($(feature-libpython), 1) 853 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev) 854 else 855 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 856 EXTLIBS += $(PYTHON_EMBED_LIBADD) 857 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no") 858 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes) 859 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])') 860 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX) 861 else 862 msg := $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent); 863 endif 864 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT 865 $(call detected,CONFIG_LIBPYTHON) 866 endif 867 endif 868 endif 869endif 870 871ifneq ($(NO_JEVENTS),1) 872 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),) 873 NO_JEVENTS := 1 874 endif 875endif 876ifneq ($(NO_JEVENTS),1) 877 NO_JEVENTS := 0 878 ifndef PYTHON 879 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.) 880 else 881 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016. 882 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) 883 ifneq ($(JEVENTS_PYTHON_GOOD), 1) 884 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.) 885 endif 886 endif 887endif 888 889ifdef BUILD_NONDISTRO 890 ifeq ($(feature-libbfd), 1) 891 EXTLIBS += -lbfd -lopcodes 892 else 893 # we are on a system that requires -liberty and (maybe) -lz 894 # to link against -lbfd; test each case individually here 895 896 # call all detections now so we get correct 897 # status in VF output 898 $(call feature_check,libbfd-liberty) 899 $(call feature_check,libbfd-liberty-z) 900 901 ifeq ($(feature-libbfd-liberty), 1) 902 EXTLIBS += -lbfd -lopcodes -liberty 903 else 904 ifeq ($(feature-libbfd-liberty-z), 1) 905 EXTLIBS += -lbfd -lopcodes -liberty -lz 906 endif 907 endif 908 $(call feature_check,disassembler-four-args) 909 $(call feature_check,disassembler-init-styled) 910 endif 911 912 CFLAGS += -DHAVE_LIBBFD_SUPPORT 913 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT 914 ifeq ($(feature-libbfd-buildid), 1) 915 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT 916 else 917 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available); 918 endif 919endif 920 921ifndef NO_DEMANGLE 922 $(call feature_check,cxa-demangle) 923 ifeq ($(feature-cxa-demangle), 1) 924 EXTLIBS += -lstdc++ 925 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 926 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 927 endif 928 ifdef BUILD_NONDISTRO 929 ifeq ($(filter -liberty,$(EXTLIBS)),) 930 $(call feature_check,cplus-demangle) 931 ifeq ($(feature-cplus-demangle), 1) 932 EXTLIBS += -liberty 933 endif 934 endif 935 ifneq ($(filter -liberty,$(EXTLIBS)),) 936 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 937 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 938 endif 939 endif 940endif 941 942ifndef NO_ZLIB 943 ifeq ($(feature-zlib), 1) 944 CFLAGS += -DHAVE_ZLIB_SUPPORT 945 EXTLIBS += -lz 946 $(call detected,CONFIG_ZLIB) 947 else 948 NO_ZLIB := 1 949 endif 950endif 951 952ifndef NO_LZMA 953 ifeq ($(feature-lzma), 1) 954 CFLAGS += -DHAVE_LZMA_SUPPORT 955 EXTLIBS += -llzma 956 $(call detected,CONFIG_LZMA) 957 else 958 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev); 959 NO_LZMA := 1 960 endif 961endif 962 963ifndef NO_LIBZSTD 964 ifeq ($(feature-libzstd), 1) 965 CFLAGS += -DHAVE_ZSTD_SUPPORT 966 CFLAGS += $(LIBZSTD_CFLAGS) 967 LDFLAGS += $(LIBZSTD_LDFLAGS) 968 EXTLIBS += -lzstd 969 $(call detected,CONFIG_ZSTD) 970 else 971 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR); 972 NO_LIBZSTD := 1 973 endif 974endif 975 976ifndef NO_LIBCAP 977 ifeq ($(feature-libcap), 1) 978 CFLAGS += -DHAVE_LIBCAP_SUPPORT 979 EXTLIBS += -lcap 980 $(call detected,CONFIG_LIBCAP) 981 else 982 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev); 983 NO_LIBCAP := 1 984 endif 985endif 986 987ifndef NO_BACKTRACE 988 ifeq ($(feature-backtrace), 1) 989 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 990 endif 991endif 992 993ifndef NO_LIBNUMA 994 ifeq ($(feature-libnuma), 0) 995 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev); 996 NO_LIBNUMA := 1 997 else 998 ifeq ($(feature-numa_num_possible_cpus), 0) 999 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8); 1000 NO_LIBNUMA := 1 1001 else 1002 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 1003 EXTLIBS += -lnuma 1004 $(call detected,CONFIG_NUMA) 1005 endif 1006 endif 1007endif 1008 1009ifdef HAVE_KVM_STAT_SUPPORT 1010 CFLAGS += -DHAVE_KVM_STAT_SUPPORT 1011endif 1012 1013ifeq ($(feature-disassembler-four-args), 1) 1014 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 1015endif 1016 1017ifeq ($(feature-disassembler-init-styled), 1) 1018 CFLAGS += -DDISASM_INIT_STYLED 1019endif 1020 1021ifeq (${IS_64_BIT}, 1) 1022 ifndef NO_PERF_READ_VDSO32 1023 $(call feature_check,compile-32) 1024 ifeq ($(feature-compile-32), 1) 1025 CFLAGS += -DHAVE_PERF_READ_VDSO32 1026 else 1027 NO_PERF_READ_VDSO32 := 1 1028 endif 1029 endif 1030 ifneq ($(SRCARCH), x86) 1031 NO_PERF_READ_VDSOX32 := 1 1032 endif 1033 ifndef NO_PERF_READ_VDSOX32 1034 $(call feature_check,compile-x32) 1035 ifeq ($(feature-compile-x32), 1) 1036 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1037 else 1038 NO_PERF_READ_VDSOX32 := 1 1039 endif 1040 endif 1041else 1042 NO_PERF_READ_VDSO32 := 1 1043 NO_PERF_READ_VDSOX32 := 1 1044endif 1045 1046ifndef NO_LIBBABELTRACE 1047 $(call feature_check,libbabeltrace) 1048 ifeq ($(feature-libbabeltrace), 1) 1049 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS) 1050 LDFLAGS += $(LIBBABELTRACE_LDFLAGS) 1051 EXTLIBS += -lbabeltrace-ctf 1052 $(call detected,CONFIG_LIBBABELTRACE) 1053 else 1054 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev); 1055 endif 1056endif 1057 1058ifndef NO_AUXTRACE 1059 ifeq ($(SRCARCH),x86) 1060 ifeq ($(feature-get_cpuid), 0) 1061 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc); 1062 NO_AUXTRACE := 1 1063 endif 1064 endif 1065 ifndef NO_AUXTRACE 1066 $(call detected,CONFIG_AUXTRACE) 1067 CFLAGS += -DHAVE_AUXTRACE_SUPPORT 1068 ifeq ($(feature-reallocarray), 0) 1069 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 1070 endif 1071 endif 1072endif 1073 1074ifndef NO_JVMTI 1075 ifneq (,$(wildcard /usr/sbin/update-java-alternatives)) 1076 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}') 1077 else 1078 ifneq (,$(wildcard /usr/sbin/alternatives)) 1079 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g') 1080 endif 1081 endif 1082 ifndef JDIR 1083 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory) 1084 NO_JVMTI := 1 1085 endif 1086endif 1087 1088ifndef NO_JVMTI 1089 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux 1090 $(call feature_check,jvmti) 1091 ifeq ($(feature-jvmti), 1) 1092 $(call detected_var,JDIR) 1093 ifndef NO_JVMTI_CMLR 1094 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti) 1095 $(call feature_check,jvmti-cmlr) 1096 ifeq ($(feature-jvmti-cmlr), 1) 1097 CFLAGS += -DHAVE_JVMTI_CMLR 1098 endif 1099 endif # NO_JVMTI_CMLR 1100 else 1101 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel) 1102 NO_JVMTI := 1 1103 endif 1104endif 1105 1106USE_CXX = 0 1107USE_CLANGLLVM = 0 1108ifdef LIBCLANGLLVM 1109 $(call feature_check,cxx) 1110 ifneq ($(feature-cxx), 1) 1111 msg := $(warning No g++ found, disable clang and llvm support. Please install g++) 1112 else 1113 $(call feature_check,llvm) 1114 $(call feature_check,llvm-version) 1115 ifneq ($(feature-llvm), 1) 1116 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0)) 1117 else 1118 $(call feature_check,clang) 1119 ifneq ($(feature-clang), 1) 1120 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0)) 1121 else 1122 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT 1123 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir) 1124 $(call detected,CONFIG_CXX) 1125 $(call detected,CONFIG_CLANGLLVM) 1126 USE_CXX = 1 1127 USE_LLVM = 1 1128 USE_CLANG = 1 1129 ifneq ($(feature-llvm-version),1) 1130 msg := $(warning This version of LLVM is not tested. May cause build errors) 1131 endif 1132 endif 1133 endif 1134 endif 1135endif 1136 1137ifndef NO_LIBPFM4 1138 $(call feature_check,libpfm4) 1139 ifeq ($(feature-libpfm4), 1) 1140 CFLAGS += -DHAVE_LIBPFM 1141 EXTLIBS += -lpfm 1142 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 1143 $(call detected,CONFIG_LIBPFM4) 1144 else 1145 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev); 1146 endif 1147endif 1148 1149# libtraceevent is a recommended dependency picked up from the system. 1150ifneq ($(NO_LIBTRACEEVENT),1) 1151 $(call feature_check,libtraceevent) 1152 ifeq ($(feature-libtraceevent), 1) 1153 CFLAGS += -DHAVE_LIBTRACEEVENT 1154 EXTLIBS += -ltraceevent 1155 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent) 1156 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1157 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1158 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1159 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3)) 1160 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP) 1161 $(call detected,CONFIG_LIBTRACEEVENT) 1162 else 1163 dummy := $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel or build with NO_LIBTRACEEVENT=1) 1164 endif 1165 1166 $(call feature_check,libtracefs) 1167 ifeq ($(feature-libtracefs), 1) 1168 EXTLIBS += -ltracefs 1169 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs) 1170 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION))) 1171 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION))) 1172 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION))) 1173 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3)) 1174 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP) 1175 endif 1176endif 1177 1178# Among the variables below, these: 1179# perfexecdir 1180# libbpf_include_dir 1181# perf_examples_dir 1182# template_dir 1183# mandir 1184# infodir 1185# htmldir 1186# ETC_PERFCONFIG (but not sysconfdir) 1187# can be specified as a relative path some/where/else; 1188# this is interpreted as relative to $(prefix) and "perf" at 1189# runtime figures out where they are based on the path to the executable. 1190# This can help installing the suite in a relocatable way. 1191 1192# Make the path relative to DESTDIR, not to prefix 1193ifndef DESTDIR 1194prefix ?= $(HOME) 1195endif 1196bindir_relative = bin 1197bindir = $(abspath $(prefix)/$(bindir_relative)) 1198includedir_relative = include 1199includedir = $(abspath $(prefix)/$(includedir_relative)) 1200mandir = share/man 1201infodir = share/info 1202perfexecdir = libexec/perf-core 1203# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance 1204libbpf_include_dir = /usr/include 1205perf_examples_dir = lib/perf/examples 1206sharedir = $(prefix)/share 1207template_dir = share/perf-core/templates 1208STRACE_GROUPS_DIR = share/perf-core/strace/groups 1209htmldir = share/doc/perf-doc 1210tipdir = share/doc/perf-tip 1211srcdir = $(srctree)/tools/perf 1212ifeq ($(prefix),/usr) 1213sysconfdir = /etc 1214ETC_PERFCONFIG = $(sysconfdir)/perfconfig 1215else 1216sysconfdir = $(prefix)/etc 1217ETC_PERFCONFIG = etc/perfconfig 1218endif 1219ifndef lib 1220ifeq ($(SRCARCH)$(IS_64_BIT), x861) 1221lib = lib64 1222else 1223lib = lib 1224endif 1225endif # lib 1226libdir = $(prefix)/$(lib) 1227 1228# Shell quote (do not use $(call) to accommodate ancient setups); 1229ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) 1230STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR)) 1231DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) 1232bindir_SQ = $(subst ','\'',$(bindir)) 1233includedir_SQ = $(subst ','\'',$(includedir)) 1234mandir_SQ = $(subst ','\'',$(mandir)) 1235infodir_SQ = $(subst ','\'',$(infodir)) 1236perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) 1237libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir)) 1238perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir)) 1239template_dir_SQ = $(subst ','\'',$(template_dir)) 1240htmldir_SQ = $(subst ','\'',$(htmldir)) 1241tipdir_SQ = $(subst ','\'',$(tipdir)) 1242prefix_SQ = $(subst ','\'',$(prefix)) 1243sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) 1244libdir_SQ = $(subst ','\'',$(libdir)) 1245srcdir_SQ = $(subst ','\'',$(srcdir)) 1246 1247ifneq ($(filter /%,$(firstword $(perfexecdir))),) 1248perfexec_instdir = $(perfexecdir) 1249perf_include_instdir = $(libbpf_include_dir) 1250perf_examples_instdir = $(perf_examples_dir) 1251STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) 1252tip_instdir = $(tipdir) 1253else 1254perfexec_instdir = $(prefix)/$(perfexecdir) 1255perf_include_instdir = $(prefix)/$(libbpf_include_dir) 1256perf_examples_instdir = $(prefix)/$(perf_examples_dir) 1257STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) 1258tip_instdir = $(prefix)/$(tipdir) 1259endif 1260perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) 1261perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir)) 1262perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir)) 1263STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) 1264tip_instdir_SQ = $(subst ','\'',$(tip_instdir)) 1265 1266export perfexec_instdir_SQ 1267 1268print_var = $(eval $(print_var_code)) $(info $(MSG)) 1269define print_var_code 1270 MSG = $(shell printf '...%40s: %s' $(1) $($(1))) 1271endef 1272 1273ifeq ($(feature_display),1) 1274 $(call feature_display_entries) 1275endif 1276 1277ifeq ($(VF),1) 1278 # Display EXTRA features which are detected manualy 1279 # from here with feature_check call and thus cannot 1280 # be partof global state output. 1281 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG))) 1282 $(call print_var,prefix) 1283 $(call print_var,bindir) 1284 $(call print_var,libdir) 1285 $(call print_var,sysconfdir) 1286 $(call print_var,LIBUNWIND_DIR) 1287 $(call print_var,LIBDW_DIR) 1288 $(call print_var,JDIR) 1289 1290 ifeq ($(dwarf-post-unwind),1) 1291 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG)) 1292 endif 1293endif 1294 1295$(info ) 1296 1297$(call detected_var,bindir_SQ) 1298$(call detected_var,PYTHON_WORD) 1299ifneq ($(OUTPUT),) 1300$(call detected_var,OUTPUT) 1301endif 1302$(call detected_var,htmldir_SQ) 1303$(call detected_var,infodir_SQ) 1304$(call detected_var,mandir_SQ) 1305$(call detected_var,ETC_PERFCONFIG_SQ) 1306$(call detected_var,STRACE_GROUPS_DIR_SQ) 1307$(call detected_var,prefix_SQ) 1308$(call detected_var,perfexecdir_SQ) 1309$(call detected_var,libbpf_include_dir_SQ) 1310$(call detected_var,perf_examples_dir_SQ) 1311$(call detected_var,tipdir_SQ) 1312$(call detected_var,srcdir_SQ) 1313$(call detected_var,LIBDIR) 1314$(call detected_var,GTK_CFLAGS) 1315$(call detected_var,PERL_EMBED_CCOPTS) 1316$(call detected_var,PYTHON_EMBED_CCOPTS) 1317ifneq ($(BISON_FILE_PREFIX_MAP),) 1318$(call detected_var,BISON_FILE_PREFIX_MAP) 1319endif 1320 1321# re-generate FEATURE-DUMP as we may have called feature_check, found out 1322# extra libraries to add to LDFLAGS of some other test and then redo those 1323# tests. 1324$(shell rm -f $(FEATURE_DUMP_FILENAME)) 1325$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) 1326