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 22include $(srctree)/tools/scripts/Makefile.arch 23 24$(call detected_var,SRCARCH) 25 26NO_PERF_REGS := 1 27 28ifneq ($(NO_SYSCALL_TABLE),1) 29 NO_SYSCALL_TABLE := 1 30 31 ifeq ($(SRCARCH),x86) 32 ifeq (${IS_64_BIT}, 1) 33 NO_SYSCALL_TABLE := 0 34 endif 35 else 36 ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390 mips)) 37 NO_SYSCALL_TABLE := 0 38 endif 39 endif 40 41 ifneq ($(NO_SYSCALL_TABLE),1) 42 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT 43 endif 44endif 45 46# Additional ARCH settings for ppc 47ifeq ($(SRCARCH),powerpc) 48 NO_PERF_REGS := 0 49 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated 50 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64 51endif 52 53# Additional ARCH settings for x86 54ifeq ($(SRCARCH),x86) 55 $(call detected,CONFIG_X86) 56 ifeq (${IS_64_BIT}, 1) 57 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated 58 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S 59 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma 60 $(call detected,CONFIG_X86_64) 61 else 62 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind 63 endif 64 NO_PERF_REGS := 0 65endif 66 67ifeq ($(SRCARCH),arm) 68 NO_PERF_REGS := 0 69 LIBUNWIND_LIBS = -lunwind -lunwind-arm 70endif 71 72ifeq ($(SRCARCH),arm64) 73 NO_PERF_REGS := 0 74 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated 75 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64 76endif 77 78ifeq ($(SRCARCH),riscv) 79 NO_PERF_REGS := 0 80endif 81 82ifeq ($(SRCARCH),csky) 83 NO_PERF_REGS := 0 84endif 85 86ifeq ($(ARCH),s390) 87 NO_PERF_REGS := 0 88 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated 89endif 90 91ifeq ($(ARCH),mips) 92 NO_PERF_REGS := 0 93 CFLAGS += -I$(OUTPUT)arch/mips/include/generated 94 LIBUNWIND_LIBS = -lunwind -lunwind-mips 95endif 96 97ifeq ($(NO_PERF_REGS),0) 98 $(call detected,CONFIG_PERF_REGS) 99endif 100 101# So far there's only x86 and arm libdw unwind support merged in perf. 102# Disable it on all other architectures in case libdw unwind 103# support is detected in system. Add supported architectures 104# to the check. 105ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv)) 106 NO_LIBDW_DWARF_UNWIND := 1 107endif 108 109ifeq ($(LIBUNWIND_LIBS),) 110 NO_LIBUNWIND := 1 111endif 112# 113# For linking with debug library, run like: 114# 115# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/ 116# 117 118libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code)) 119define libunwind_arch_set_flags_code 120 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include 121 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib 122endef 123 124ifdef LIBUNWIND_DIR 125 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include 126 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib 127 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64 128 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch))) 129endif 130 131# Set per-feature check compilation flags 132FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS) 133FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 134FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS) 135FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 136 137FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm 138FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64 139FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86 140FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64 141 142FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto 143 144ifdef CSINCLUDES 145 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES) 146endif 147OPENCSDLIBS := -lopencsd_c_api 148ifeq ($(findstring -static,${LDFLAGS}),-static) 149 OPENCSDLIBS += -lopencsd -lstdc++ 150endif 151ifdef CSLIBS 152 LIBOPENCSD_LDFLAGS := -L$(CSLIBS) 153endif 154FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS) 155FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS) 156 157ifeq ($(NO_PERF_REGS),0) 158 CFLAGS += -DHAVE_PERF_REGS_SUPPORT 159endif 160 161# for linking with debug library, run like: 162# make DEBUG=1 LIBDW_DIR=/opt/libdw/ 163ifdef LIBDW_DIR 164 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include 165 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib 166endif 167DWARFLIBS := -ldw 168ifeq ($(findstring -static,${LDFLAGS}),-static) 169 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2 170endif 171FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS) 172FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS) 173 174# for linking with debug library, run like: 175# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/ 176ifdef LIBBABELTRACE_DIR 177 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include 178 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib 179endif 180FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS) 181FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf 182 183ifdef LIBZSTD_DIR 184 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib 185 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib 186endif 187FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS) 188FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS) 189 190FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi 191# include ARCH specific config 192-include $(src-perf)/arch/$(SRCARCH)/Makefile 193 194ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 195 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 196endif 197 198include $(srctree)/tools/scripts/utilities.mak 199 200ifeq ($(call get-executable,$(FLEX)),) 201 dummy := $(error Error: $(FLEX) is missing on this system, please install it) 202endif 203 204ifeq ($(call get-executable,$(BISON)),) 205 dummy := $(error Error: $(BISON) is missing on this system, please install it) 206endif 207 208ifneq ($(OUTPUT),) 209 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1) 210 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)= 211 endif 212endif 213 214# Treat warnings as errors unless directed not to 215ifneq ($(WERROR),0) 216 CORE_CFLAGS += -Werror 217 CXXFLAGS += -Werror 218 HOSTCFLAGS += -Werror 219endif 220 221ifndef DEBUG 222 DEBUG := 0 223endif 224 225ifeq ($(DEBUG),0) 226ifeq ($(CC_NO_CLANG), 0) 227 CORE_CFLAGS += -O3 228else 229 CORE_CFLAGS += -O6 230endif 231endif 232 233ifdef PARSER_DEBUG 234 PARSER_DEBUG_BISON := -t 235 PARSER_DEBUG_FLEX := -d 236 CFLAGS += -DPARSER_DEBUG 237 $(call detected_var,PARSER_DEBUG_BISON) 238 $(call detected_var,PARSER_DEBUG_FLEX) 239endif 240 241# Try different combinations to accommodate systems that only have 242# python[2][3]-config in weird combinations in the following order of 243# priority from lowest to highest: 244# * python3-config 245# * python-config 246# * python2-config as per pep-0394. 247# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't) 248# 249PYTHON_AUTO := python-config 250PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO)) 251PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO)) 252PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO)) 253 254# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user 255# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist. 256ifdef PYTHON 257 ifndef PYTHON_CONFIG 258 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config) 259 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\ 260 $(call $(error $(PYTHON)-config not found))) 261 endif 262endif 263 264# Select either auto detected python and python-config or use user supplied values if they are 265# defined. get-executable-or-default fails with an error if the first argument is supplied but 266# doesn't exist. 267override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO)) 268override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_AUTO))) 269 270grep-libs = $(filter -l%,$(1)) 271strip-libs = $(filter-out -l%,$(1)) 272 273PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG)) 274 275# Python 3.8 changed the output of `python-config --ldflags` to not include the 276# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for 277# libpython fails if that flag is not included in LDFLAGS 278ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0) 279 PYTHON_CONFIG_LDFLAGS := --ldflags --embed 280else 281 PYTHON_CONFIG_LDFLAGS := --ldflags 282endif 283 284ifdef PYTHON_CONFIG 285 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null) 286 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS)) 287 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil 288 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null) 289 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS) 290 ifeq ($(CC_NO_CLANG), 0) 291 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS)) 292 endif 293endif 294 295FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS) 296FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS) 297 298FEATURE_CHECK_LDFLAGS-libaio = -lrt 299 300FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl 301 302CORE_CFLAGS += -fno-omit-frame-pointer 303CORE_CFLAGS += -ggdb3 304CORE_CFLAGS += -funwind-tables 305CORE_CFLAGS += -Wall 306CORE_CFLAGS += -Wextra 307CORE_CFLAGS += -std=gnu99 308 309CXXFLAGS += -std=gnu++14 -fno-exceptions -fno-rtti 310CXXFLAGS += -Wall 311CXXFLAGS += -fno-omit-frame-pointer 312CXXFLAGS += -ggdb3 313CXXFLAGS += -funwind-tables 314CXXFLAGS += -Wno-strict-aliasing 315 316HOSTCFLAGS += -Wall 317HOSTCFLAGS += -Wextra 318 319# Enforce a non-executable stack, as we may regress (again) in the future by 320# adding assembler files missing the .GNU-stack linker note. 321LDFLAGS += -Wl,-z,noexecstack 322 323EXTLIBS = -lpthread -lrt -lm -ldl 324 325ifneq ($(TCMALLOC),) 326 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free 327 EXTLIBS += -ltcmalloc 328endif 329 330ifeq ($(FEATURES_DUMP),) 331# We will display at the end of this Makefile.config, using $(call feature_display_entries) 332# As we may retry some feature detection here, see the disassembler-four-args case, for instance 333 FEATURE_DISPLAY_DEFERRED := 1 334include $(srctree)/tools/build/Makefile.feature 335else 336include $(FEATURES_DUMP) 337endif 338 339ifeq ($(feature-stackprotector-all), 1) 340 CORE_CFLAGS += -fstack-protector-all 341endif 342 343ifeq ($(DEBUG),0) 344 ifeq ($(feature-fortify-source), 1) 345 CORE_CFLAGS += -D_FORTIFY_SOURCE=2 346 endif 347endif 348 349INC_FLAGS += -I$(srctree)/tools/lib/perf/include 350INC_FLAGS += -I$(src-perf)/util/include 351INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include 352INC_FLAGS += -I$(srctree)/tools/include/ 353INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi 354INC_FLAGS += -I$(srctree)/tools/include/uapi 355INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/ 356INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/ 357 358# $(obj-perf) for generated common-cmds.h 359# $(obj-perf)/util for generated bison/flex headers 360ifneq ($(OUTPUT),) 361INC_FLAGS += -I$(obj-perf)/util 362INC_FLAGS += -I$(obj-perf) 363endif 364 365INC_FLAGS += -I$(src-perf)/util 366INC_FLAGS += -I$(src-perf) 367INC_FLAGS += -I$(srctree)/tools/lib/ 368 369CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE 370 371CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS) 372CXXFLAGS += $(INC_FLAGS) 373 374LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS) 375 376ifeq ($(feature-pthread-attr-setaffinity-np), 1) 377 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP 378endif 379 380ifeq ($(feature-pthread-barrier), 1) 381 CFLAGS += -DHAVE_PTHREAD_BARRIER 382endif 383 384ifndef NO_BIONIC 385 $(call feature_check,bionic) 386 ifeq ($(feature-bionic), 1) 387 BIONIC := 1 388 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE 389 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE 390 EXTLIBS := $(filter-out -lrt,$(EXTLIBS)) 391 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS)) 392 endif 393endif 394 395ifeq ($(feature-eventfd), 1) 396 CFLAGS += -DHAVE_EVENTFD_SUPPORT 397endif 398 399ifeq ($(feature-get_current_dir_name), 1) 400 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME 401endif 402 403ifeq ($(feature-gettid), 1) 404 CFLAGS += -DHAVE_GETTID 405endif 406 407ifeq ($(feature-file-handle), 1) 408 CFLAGS += -DHAVE_FILE_HANDLE 409endif 410 411ifdef NO_LIBELF 412 NO_DWARF := 1 413 NO_DEMANGLE := 1 414 NO_LIBUNWIND := 1 415 NO_LIBDW_DWARF_UNWIND := 1 416 NO_LIBBPF := 1 417 NO_JVMTI := 1 418else 419 ifeq ($(feature-libelf), 0) 420 ifeq ($(feature-glibc), 1) 421 LIBC_SUPPORT := 1 422 endif 423 ifeq ($(BIONIC),1) 424 LIBC_SUPPORT := 1 425 endif 426 ifeq ($(LIBC_SUPPORT),1) 427 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); 428 429 NO_LIBELF := 1 430 NO_DWARF := 1 431 NO_DEMANGLE := 1 432 NO_LIBUNWIND := 1 433 NO_LIBDW_DWARF_UNWIND := 1 434 NO_LIBBPF := 1 435 NO_JVMTI := 1 436 else 437 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),) 438 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0) 439 msg := $(error No libasan found, please install libasan); 440 endif 441 endif 442 443 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),) 444 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0) 445 msg := $(error No libubsan found, please install libubsan); 446 endif 447 endif 448 449 ifneq ($(filter s% -static%,$(LDFLAGS),),) 450 msg := $(error No static glibc found, please install glibc-static); 451 else 452 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]); 453 endif 454 endif 455 else 456 ifndef NO_LIBDW_DWARF_UNWIND 457 ifneq ($(feature-libdw-dwarf-unwind),1) 458 NO_LIBDW_DWARF_UNWIND := 1 459 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR); 460 endif 461 endif 462 ifneq ($(feature-dwarf), 1) 463 ifndef NO_DWARF 464 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); 465 NO_DWARF := 1 466 endif 467 else 468 ifneq ($(feature-dwarf_getlocations), 1) 469 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157); 470 else 471 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT 472 endif # dwarf_getlocations 473 endif # Dwarf support 474 endif # libelf support 475endif # NO_LIBELF 476 477ifeq ($(feature-glibc), 1) 478 CFLAGS += -DHAVE_GLIBC_SUPPORT 479endif 480 481ifeq ($(feature-libaio), 1) 482 ifndef NO_AIO 483 CFLAGS += -DHAVE_AIO_SUPPORT 484 endif 485endif 486 487ifdef NO_DWARF 488 NO_LIBDW_DWARF_UNWIND := 1 489endif 490 491ifeq ($(feature-sched_getcpu), 1) 492 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT 493endif 494 495ifeq ($(feature-setns), 1) 496 CFLAGS += -DHAVE_SETNS_SUPPORT 497 $(call detected,CONFIG_SETNS) 498endif 499 500ifdef CORESIGHT 501 $(call feature_check,libopencsd) 502 ifeq ($(feature-libopencsd), 1) 503 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS) 504 ifeq ($(feature-reallocarray), 0) 505 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 506 endif 507 LDFLAGS += $(LIBOPENCSD_LDFLAGS) 508 EXTLIBS += $(OPENCSDLIBS) 509 $(call detected,CONFIG_LIBOPENCSD) 510 ifdef CSTRACE_RAW 511 CFLAGS += -DCS_DEBUG_RAW 512 ifeq (${CSTRACE_RAW}, packed) 513 CFLAGS += -DCS_RAW_PACKED 514 endif 515 endif 516 else 517 dummy := $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1) 518 endif 519endif 520 521ifndef NO_LIBELF 522 CFLAGS += -DHAVE_LIBELF_SUPPORT 523 EXTLIBS += -lelf 524 $(call detected,CONFIG_LIBELF) 525 526 ifeq ($(feature-libelf-getphdrnum), 1) 527 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT 528 endif 529 530 ifeq ($(feature-libelf-gelf_getnote), 1) 531 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT 532 else 533 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled); 534 endif 535 536 ifeq ($(feature-libelf-getshdrstrndx), 1) 537 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT 538 endif 539 540 ifndef NO_LIBDEBUGINFOD 541 $(call feature_check,libdebuginfod) 542 ifeq ($(feature-libdebuginfod), 1) 543 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT 544 EXTLIBS += -ldebuginfod 545 endif 546 endif 547 548 ifndef NO_DWARF 549 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined) 550 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled); 551 NO_DWARF := 1 552 else 553 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS) 554 LDFLAGS += $(LIBDW_LDFLAGS) 555 EXTLIBS += ${DWARFLIBS} 556 $(call detected,CONFIG_DWARF) 557 endif # PERF_HAVE_DWARF_REGS 558 endif # NO_DWARF 559 560 ifndef NO_LIBBPF 561 ifeq ($(feature-bpf), 1) 562 CFLAGS += -DHAVE_LIBBPF_SUPPORT 563 $(call detected,CONFIG_LIBBPF) 564 565 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status 566 $(call feature_check,libbpf) 567 ifdef LIBBPF_DYNAMIC 568 ifeq ($(feature-libbpf), 1) 569 EXTLIBS += -lbpf 570 $(call detected,CONFIG_LIBBPF_DYNAMIC) 571 572 $(call feature_check,libbpf-btf__load_from_kernel_by_id) 573 ifeq ($(feature-libbpf-btf__load_from_kernel_by_id), 1) 574 CFLAGS += -DHAVE_LIBBPF_BTF__LOAD_FROM_KERNEL_BY_ID 575 endif 576 $(call feature_check,libbpf-bpf_prog_load) 577 ifeq ($(feature-libbpf-bpf_prog_load), 1) 578 CFLAGS += -DHAVE_LIBBPF_BPF_PROG_LOAD 579 endif 580 $(call feature_check,libbpf-bpf_object__next_program) 581 ifeq ($(feature-libbpf-bpf_object__next_program), 1) 582 CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_PROGRAM 583 endif 584 $(call feature_check,libbpf-bpf_object__next_map) 585 ifeq ($(feature-libbpf-bpf_object__next_map), 1) 586 CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_MAP 587 endif 588 $(call feature_check,libbpf-btf__raw_data) 589 ifeq ($(feature-libbpf-btf__raw_data), 1) 590 CFLAGS += -DHAVE_LIBBPF_BTF__RAW_DATA 591 endif 592 $(call feature_check,libbpf-bpf_map_create) 593 ifeq ($(feature-libbpf-bpf_map_create), 1) 594 CFLAGS += -DHAVE_LIBBPF_BPF_MAP_CREATE 595 endif 596 else 597 dummy := $(error Error: No libbpf devel library found, please install libbpf-devel); 598 endif 599 else 600 CFLAGS += -DHAVE_LIBBPF_BTF__LOAD_FROM_KERNEL_BY_ID 601 CFLAGS += -DHAVE_LIBBPF_BPF_PROG_LOAD 602 CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_PROGRAM 603 CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_MAP 604 CFLAGS += -DHAVE_LIBBPF_BTF__RAW_DATA 605 CFLAGS += -DHAVE_LIBBPF_BPF_MAP_CREATE 606 endif 607 endif 608 609 ifndef NO_DWARF 610 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 611 CFLAGS += -DHAVE_BPF_PROLOGUE 612 $(call detected,CONFIG_BPF_PROLOGUE) 613 else 614 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset()); 615 endif 616 else 617 msg := $(warning DWARF support is off, BPF prologue is disabled); 618 endif 619 620 endif # NO_LIBBPF 621endif # NO_LIBELF 622 623ifndef NO_SDT 624 ifneq ($(feature-sdt), 1) 625 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev); 626 NO_SDT := 1; 627 else 628 CFLAGS += -DHAVE_SDT_EVENT 629 $(call detected,CONFIG_SDT_EVENT) 630 endif 631endif 632 633ifdef PERF_HAVE_JITDUMP 634 ifndef NO_LIBELF 635 $(call detected,CONFIG_JITDUMP) 636 CFLAGS += -DHAVE_JITDUMP 637 endif 638endif 639 640ifeq ($(SRCARCH),powerpc) 641 ifndef NO_DWARF 642 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX 643 endif 644endif 645 646ifndef NO_LIBUNWIND 647 have_libunwind := 648 649 $(call feature_check,libunwind-x86) 650 ifeq ($(feature-libunwind-x86), 1) 651 $(call detected,CONFIG_LIBUNWIND_X86) 652 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT 653 LDFLAGS += -lunwind-x86 654 EXTLIBS_LIBUNWIND += -lunwind-x86 655 have_libunwind = 1 656 endif 657 658 $(call feature_check,libunwind-aarch64) 659 ifeq ($(feature-libunwind-aarch64), 1) 660 $(call detected,CONFIG_LIBUNWIND_AARCH64) 661 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT 662 LDFLAGS += -lunwind-aarch64 663 EXTLIBS_LIBUNWIND += -lunwind-aarch64 664 have_libunwind = 1 665 $(call feature_check,libunwind-debug-frame-aarch64) 666 ifneq ($(feature-libunwind-debug-frame-aarch64), 1) 667 msg := $(warning No debug_frame support found in libunwind-aarch64); 668 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64 669 endif 670 endif 671 672 ifneq ($(feature-libunwind), 1) 673 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR); 674 NO_LOCAL_LIBUNWIND := 1 675 else 676 have_libunwind := 1 677 $(call detected,CONFIG_LOCAL_LIBUNWIND) 678 endif 679 680 ifneq ($(have_libunwind), 1) 681 NO_LIBUNWIND := 1 682 endif 683else 684 NO_LOCAL_LIBUNWIND := 1 685endif 686 687ifndef NO_LIBBPF 688 ifneq ($(feature-bpf), 1) 689 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) 690 NO_LIBBPF := 1 691 endif 692endif 693 694ifdef BUILD_BPF_SKEL 695 $(call feature_check,clang-bpf-co-re) 696 ifeq ($(feature-clang-bpf-co-re), 0) 697 dummy := $(error Error: clang too old/not installed. Please install recent clang to build with BUILD_BPF_SKEL) 698 endif 699 ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) 700 dummy := $(error Error: BPF skeleton support requires libbpf) 701 endif 702 $(call detected,CONFIG_PERF_BPF_SKEL) 703 CFLAGS += -DHAVE_BPF_SKEL 704endif 705 706dwarf-post-unwind := 1 707dwarf-post-unwind-text := BUG 708 709# setup DWARF post unwinder 710ifdef NO_LIBUNWIND 711 ifdef NO_LIBDW_DWARF_UNWIND 712 msg := $(warning Disabling post unwind, no support found.); 713 dwarf-post-unwind := 0 714 else 715 dwarf-post-unwind-text := libdw 716 $(call detected,CONFIG_LIBDW_DWARF_UNWIND) 717 endif 718else 719 dwarf-post-unwind-text := libunwind 720 $(call detected,CONFIG_LIBUNWIND) 721 # Enable libunwind support by default. 722 ifndef NO_LIBDW_DWARF_UNWIND 723 NO_LIBDW_DWARF_UNWIND := 1 724 endif 725endif 726 727ifeq ($(dwarf-post-unwind),1) 728 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT 729 $(call detected,CONFIG_DWARF_UNWIND) 730else 731 NO_DWARF_UNWIND := 1 732endif 733 734ifndef NO_LOCAL_LIBUNWIND 735 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64)) 736 $(call feature_check,libunwind-debug-frame) 737 ifneq ($(feature-libunwind-debug-frame), 1) 738 msg := $(warning No debug_frame support found in libunwind); 739 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 740 endif 741 else 742 # non-ARM has no dwarf_find_debug_frame() function: 743 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 744 endif 745 EXTLIBS += $(LIBUNWIND_LIBS) 746 LDFLAGS += $(LIBUNWIND_LIBS) 747endif 748ifeq ($(findstring -static,${LDFLAGS}),-static) 749 # gcc -static links libgcc_eh which contans piece of libunwind 750 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition 751endif 752 753ifndef NO_LIBUNWIND 754 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT 755 CFLAGS += $(LIBUNWIND_CFLAGS) 756 LDFLAGS += $(LIBUNWIND_LDFLAGS) 757 EXTLIBS += $(EXTLIBS_LIBUNWIND) 758endif 759 760ifeq ($(NO_SYSCALL_TABLE),0) 761 $(call detected,CONFIG_TRACE) 762else 763 ifndef NO_LIBAUDIT 764 $(call feature_check,libaudit) 765 ifneq ($(feature-libaudit), 1) 766 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev); 767 NO_LIBAUDIT := 1 768 else 769 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT 770 EXTLIBS += -laudit 771 $(call detected,CONFIG_TRACE) 772 endif 773 endif 774endif 775 776ifndef NO_LIBCRYPTO 777 ifneq ($(feature-libcrypto), 1) 778 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev); 779 NO_LIBCRYPTO := 1 780 else 781 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT 782 EXTLIBS += -lcrypto 783 $(call detected,CONFIG_CRYPTO) 784 endif 785endif 786 787ifdef NO_NEWT 788 NO_SLANG=1 789endif 790 791ifndef NO_SLANG 792 ifneq ($(feature-libslang), 1) 793 ifneq ($(feature-libslang-include-subdir), 1) 794 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev); 795 NO_SLANG := 1 796 else 797 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR 798 endif 799 endif 800 ifndef NO_SLANG 801 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h 802 CFLAGS += -DHAVE_SLANG_SUPPORT 803 EXTLIBS += -lslang 804 $(call detected,CONFIG_SLANG) 805 endif 806endif 807 808ifdef GTK2 809 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) 810 $(call feature_check,gtk2) 811 ifneq ($(feature-gtk2), 1) 812 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev); 813 NO_GTK2 := 1 814 else 815 $(call feature_check,gtk2-infobar) 816 ifeq ($(feature-gtk2-infobar), 1) 817 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT 818 endif 819 CFLAGS += -DHAVE_GTK2_SUPPORT 820 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) 821 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) 822 EXTLIBS += -ldl 823 endif 824endif 825 826ifdef NO_LIBPERL 827 CFLAGS += -DNO_LIBPERL 828else 829 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) 830 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) 831 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) 832 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) 833 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) 834 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) 835 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 836 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) 837 838 ifneq ($(feature-libperl), 1) 839 CFLAGS += -DNO_LIBPERL 840 NO_LIBPERL := 1 841 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev); 842 else 843 LDFLAGS += $(PERL_EMBED_LDFLAGS) 844 EXTLIBS += $(PERL_EMBED_LIBADD) 845 CFLAGS += -DHAVE_LIBPERL_SUPPORT 846 ifeq ($(CC_NO_CLANG), 0) 847 CFLAGS += -Wno-compound-token-split-by-macro 848 endif 849 $(call detected,CONFIG_LIBPERL) 850 endif 851endif 852 853ifeq ($(feature-timerfd), 1) 854 CFLAGS += -DHAVE_TIMERFD_SUPPORT 855else 856 msg := $(warning No timerfd support. Disables 'perf kvm stat live'); 857endif 858 859disable-python = $(eval $(disable-python_code)) 860define disable-python_code 861 CFLAGS += -DNO_LIBPYTHON 862 $(warning $1) 863 NO_LIBPYTHON := 1 864endef 865 866ifdef NO_LIBPYTHON 867 $(call disable-python,Python support disabled by user) 868else 869 870 ifndef PYTHON 871 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev) 872 else 873 PYTHON_WORD := $(call shell-wordify,$(PYTHON)) 874 875 ifndef PYTHON_CONFIG 876 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) 877 else 878 879 ifneq ($(feature-libpython), 1) 880 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev) 881 else 882 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 883 EXTLIBS += $(PYTHON_EMBED_LIBADD) 884 LANG_BINDINGS += $(obj-perf)python/perf.so 885 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT 886 $(call detected,CONFIG_LIBPYTHON) 887 endif 888 endif 889 endif 890endif 891 892 893ifndef NO_LIBBFD 894 ifeq ($(feature-libbfd), 1) 895 EXTLIBS += -lbfd -lopcodes 896 else 897 # we are on a system that requires -liberty and (maybe) -lz 898 # to link against -lbfd; test each case individually here 899 900 # call all detections now so we get correct 901 # status in VF output 902 $(call feature_check,libbfd-liberty) 903 $(call feature_check,libbfd-liberty-z) 904 905 ifeq ($(feature-libbfd-liberty), 1) 906 EXTLIBS += -lbfd -lopcodes -liberty 907 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl 908 else 909 ifeq ($(feature-libbfd-liberty-z), 1) 910 EXTLIBS += -lbfd -lopcodes -liberty -lz 911 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl 912 endif 913 endif 914 $(call feature_check,disassembler-four-args) 915 endif 916 917 ifeq ($(feature-libbfd-buildid), 1) 918 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT 919 else 920 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available); 921 endif 922endif 923 924ifdef NO_DEMANGLE 925 CFLAGS += -DNO_DEMANGLE 926else 927 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT 928 EXTLIBS += -liberty 929 else 930 ifeq ($(filter -liberty,$(EXTLIBS)),) 931 $(call feature_check,cplus-demangle) 932 933 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT 934 # or any of 'bfd iberty z' trinity 935 ifeq ($(feature-cplus-demangle), 1) 936 EXTLIBS += -liberty 937 else 938 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling) 939 CFLAGS += -DNO_DEMANGLE 940 endif 941 endif 942 endif 943 944 ifneq ($(filter -liberty,$(EXTLIBS)),) 945 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 946 endif 947endif 948 949ifneq ($(filter -lbfd,$(EXTLIBS)),) 950 CFLAGS += -DHAVE_LIBBFD_SUPPORT 951endif 952 953ifndef NO_ZLIB 954 ifeq ($(feature-zlib), 1) 955 CFLAGS += -DHAVE_ZLIB_SUPPORT 956 EXTLIBS += -lz 957 $(call detected,CONFIG_ZLIB) 958 else 959 NO_ZLIB := 1 960 endif 961endif 962 963ifndef NO_LZMA 964 ifeq ($(feature-lzma), 1) 965 CFLAGS += -DHAVE_LZMA_SUPPORT 966 EXTLIBS += -llzma 967 $(call detected,CONFIG_LZMA) 968 else 969 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev); 970 NO_LZMA := 1 971 endif 972endif 973 974ifndef NO_LIBZSTD 975 ifeq ($(feature-libzstd), 1) 976 CFLAGS += -DHAVE_ZSTD_SUPPORT 977 CFLAGS += $(LIBZSTD_CFLAGS) 978 LDFLAGS += $(LIBZSTD_LDFLAGS) 979 EXTLIBS += -lzstd 980 $(call detected,CONFIG_ZSTD) 981 else 982 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR); 983 NO_LIBZSTD := 1 984 endif 985endif 986 987ifndef NO_LIBCAP 988 ifeq ($(feature-libcap), 1) 989 CFLAGS += -DHAVE_LIBCAP_SUPPORT 990 EXTLIBS += -lcap 991 $(call detected,CONFIG_LIBCAP) 992 else 993 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev); 994 NO_LIBCAP := 1 995 endif 996endif 997 998ifndef NO_BACKTRACE 999 ifeq ($(feature-backtrace), 1) 1000 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 1001 endif 1002endif 1003 1004ifndef NO_LIBNUMA 1005 ifeq ($(feature-libnuma), 0) 1006 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev); 1007 NO_LIBNUMA := 1 1008 else 1009 ifeq ($(feature-numa_num_possible_cpus), 0) 1010 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8); 1011 NO_LIBNUMA := 1 1012 else 1013 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 1014 EXTLIBS += -lnuma 1015 $(call detected,CONFIG_NUMA) 1016 endif 1017 endif 1018endif 1019 1020ifdef HAVE_KVM_STAT_SUPPORT 1021 CFLAGS += -DHAVE_KVM_STAT_SUPPORT 1022endif 1023 1024ifeq ($(feature-disassembler-four-args), 1) 1025 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 1026endif 1027 1028ifeq (${IS_64_BIT}, 1) 1029 ifndef NO_PERF_READ_VDSO32 1030 $(call feature_check,compile-32) 1031 ifeq ($(feature-compile-32), 1) 1032 CFLAGS += -DHAVE_PERF_READ_VDSO32 1033 else 1034 NO_PERF_READ_VDSO32 := 1 1035 endif 1036 endif 1037 ifneq ($(SRCARCH), x86) 1038 NO_PERF_READ_VDSOX32 := 1 1039 endif 1040 ifndef NO_PERF_READ_VDSOX32 1041 $(call feature_check,compile-x32) 1042 ifeq ($(feature-compile-x32), 1) 1043 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1044 else 1045 NO_PERF_READ_VDSOX32 := 1 1046 endif 1047 endif 1048else 1049 NO_PERF_READ_VDSO32 := 1 1050 NO_PERF_READ_VDSOX32 := 1 1051endif 1052 1053ifndef NO_LIBBABELTRACE 1054 $(call feature_check,libbabeltrace) 1055 ifeq ($(feature-libbabeltrace), 1) 1056 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS) 1057 LDFLAGS += $(LIBBABELTRACE_LDFLAGS) 1058 EXTLIBS += -lbabeltrace-ctf 1059 $(call detected,CONFIG_LIBBABELTRACE) 1060 else 1061 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev); 1062 endif 1063endif 1064 1065ifndef NO_AUXTRACE 1066 ifeq ($(SRCARCH),x86) 1067 ifeq ($(feature-get_cpuid), 0) 1068 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc); 1069 NO_AUXTRACE := 1 1070 endif 1071 endif 1072 ifndef NO_AUXTRACE 1073 $(call detected,CONFIG_AUXTRACE) 1074 CFLAGS += -DHAVE_AUXTRACE_SUPPORT 1075 ifeq ($(feature-reallocarray), 0) 1076 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 1077 endif 1078 endif 1079endif 1080 1081ifndef NO_JVMTI 1082 ifneq (,$(wildcard /usr/sbin/update-java-alternatives)) 1083 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}') 1084 else 1085 ifneq (,$(wildcard /usr/sbin/alternatives)) 1086 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g') 1087 endif 1088 endif 1089 ifndef JDIR 1090 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory) 1091 NO_JVMTI := 1 1092 endif 1093endif 1094 1095ifndef NO_JVMTI 1096 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux 1097 $(call feature_check,jvmti) 1098 ifeq ($(feature-jvmti), 1) 1099 $(call detected_var,JDIR) 1100 ifndef NO_JVMTI_CMLR 1101 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti) 1102 $(call feature_check,jvmti-cmlr) 1103 ifeq ($(feature-jvmti-cmlr), 1) 1104 CFLAGS += -DHAVE_JVMTI_CMLR 1105 endif 1106 endif # NO_JVMTI_CMLR 1107 else 1108 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel) 1109 NO_JVMTI := 1 1110 endif 1111endif 1112 1113USE_CXX = 0 1114USE_CLANGLLVM = 0 1115ifdef LIBCLANGLLVM 1116 $(call feature_check,cxx) 1117 ifneq ($(feature-cxx), 1) 1118 msg := $(warning No g++ found, disable clang and llvm support. Please install g++) 1119 else 1120 $(call feature_check,llvm) 1121 $(call feature_check,llvm-version) 1122 ifneq ($(feature-llvm), 1) 1123 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0)) 1124 else 1125 $(call feature_check,clang) 1126 ifneq ($(feature-clang), 1) 1127 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0)) 1128 else 1129 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT 1130 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir) 1131 $(call detected,CONFIG_CXX) 1132 $(call detected,CONFIG_CLANGLLVM) 1133 USE_CXX = 1 1134 USE_LLVM = 1 1135 USE_CLANG = 1 1136 ifneq ($(feature-llvm-version),1) 1137 msg := $(warning This version of LLVM is not tested. May cause build errors) 1138 endif 1139 endif 1140 endif 1141 endif 1142endif 1143 1144ifdef LIBPFM4 1145 $(call feature_check,libpfm4) 1146 ifeq ($(feature-libpfm4), 1) 1147 CFLAGS += -DHAVE_LIBPFM 1148 EXTLIBS += -lpfm 1149 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 1150 $(call detected,CONFIG_LIBPFM4) 1151 else 1152 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev); 1153 NO_LIBPFM4 := 1 1154 endif 1155endif 1156 1157ifdef LIBTRACEEVENT_DYNAMIC 1158 $(call feature_check,libtraceevent) 1159 ifeq ($(feature-libtraceevent), 1) 1160 EXTLIBS += -ltraceevent 1161 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent) 1162 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1163 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1164 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1165 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3)) 1166 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP) 1167 else 1168 dummy := $(error Error: No libtraceevent devel library found, please install libtraceevent-devel); 1169 endif 1170endif 1171 1172ifdef LIBTRACEFS_DYNAMIC 1173 $(call feature_check,libtracefs) 1174 ifeq ($(feature-libtracefs), 1) 1175 EXTLIBS += -ltracefs 1176 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs) 1177 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION))) 1178 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION))) 1179 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION))) 1180 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3)) 1181 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP) 1182 else 1183 dummy := $(error Error: No libtracefs devel library found, please install libtracefs-dev); 1184 endif 1185endif 1186 1187# Among the variables below, these: 1188# perfexecdir 1189# perf_include_dir 1190# perf_examples_dir 1191# template_dir 1192# mandir 1193# infodir 1194# htmldir 1195# ETC_PERFCONFIG (but not sysconfdir) 1196# can be specified as a relative path some/where/else; 1197# this is interpreted as relative to $(prefix) and "perf" at 1198# runtime figures out where they are based on the path to the executable. 1199# This can help installing the suite in a relocatable way. 1200 1201# Make the path relative to DESTDIR, not to prefix 1202ifndef DESTDIR 1203prefix ?= $(HOME) 1204endif 1205bindir_relative = bin 1206bindir = $(abspath $(prefix)/$(bindir_relative)) 1207includedir_relative = include 1208includedir = $(abspath $(prefix)/$(includedir_relative)) 1209mandir = share/man 1210infodir = share/info 1211perfexecdir = libexec/perf-core 1212perf_include_dir = lib/perf/include 1213perf_examples_dir = lib/perf/examples 1214sharedir = $(prefix)/share 1215template_dir = share/perf-core/templates 1216STRACE_GROUPS_DIR = share/perf-core/strace/groups 1217htmldir = share/doc/perf-doc 1218tipdir = share/doc/perf-tip 1219srcdir = $(srctree)/tools/perf 1220ifeq ($(prefix),/usr) 1221sysconfdir = /etc 1222ETC_PERFCONFIG = $(sysconfdir)/perfconfig 1223else 1224sysconfdir = $(prefix)/etc 1225ETC_PERFCONFIG = etc/perfconfig 1226endif 1227ifndef lib 1228ifeq ($(SRCARCH)$(IS_64_BIT), x861) 1229lib = lib64 1230else 1231lib = lib 1232endif 1233endif # lib 1234libdir = $(prefix)/$(lib) 1235 1236# Shell quote (do not use $(call) to accommodate ancient setups); 1237ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) 1238STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR)) 1239DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) 1240bindir_SQ = $(subst ','\'',$(bindir)) 1241includedir_SQ = $(subst ','\'',$(includedir)) 1242mandir_SQ = $(subst ','\'',$(mandir)) 1243infodir_SQ = $(subst ','\'',$(infodir)) 1244perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) 1245perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir)) 1246perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir)) 1247template_dir_SQ = $(subst ','\'',$(template_dir)) 1248htmldir_SQ = $(subst ','\'',$(htmldir)) 1249tipdir_SQ = $(subst ','\'',$(tipdir)) 1250prefix_SQ = $(subst ','\'',$(prefix)) 1251sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) 1252libdir_SQ = $(subst ','\'',$(libdir)) 1253srcdir_SQ = $(subst ','\'',$(srcdir)) 1254 1255ifneq ($(filter /%,$(firstword $(perfexecdir))),) 1256perfexec_instdir = $(perfexecdir) 1257perf_include_instdir = $(perf_include_dir) 1258perf_examples_instdir = $(perf_examples_dir) 1259STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) 1260tip_instdir = $(tipdir) 1261else 1262perfexec_instdir = $(prefix)/$(perfexecdir) 1263perf_include_instdir = $(prefix)/$(perf_include_dir) 1264perf_examples_instdir = $(prefix)/$(perf_examples_dir) 1265STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) 1266tip_instdir = $(prefix)/$(tipdir) 1267endif 1268perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) 1269perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir)) 1270perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir)) 1271STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) 1272tip_instdir_SQ = $(subst ','\'',$(tip_instdir)) 1273 1274# If we install to $(HOME) we keep the traceevent default: 1275# $(HOME)/.traceevent/plugins 1276# Otherwise we install plugins into the global $(libdir). 1277ifdef DESTDIR 1278plugindir=$(libdir)/traceevent/plugins 1279plugindir_SQ= $(subst ','\'',$(plugindir)) 1280endif 1281 1282print_var = $(eval $(print_var_code)) $(info $(MSG)) 1283define print_var_code 1284 MSG = $(shell printf '...%30s: %s' $(1) $($(1))) 1285endef 1286 1287ifeq ($(VF),1) 1288 # Display EXTRA features which are detected manualy 1289 # from here with feature_check call and thus cannot 1290 # be partof global state output. 1291 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),)) 1292 $(call print_var,prefix) 1293 $(call print_var,bindir) 1294 $(call print_var,libdir) 1295 $(call print_var,sysconfdir) 1296 $(call print_var,LIBUNWIND_DIR) 1297 $(call print_var,LIBDW_DIR) 1298 $(call print_var,JDIR) 1299 1300 ifeq ($(dwarf-post-unwind),1) 1301 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) 1302 endif 1303 $(info ) 1304endif 1305 1306$(call detected_var,bindir_SQ) 1307$(call detected_var,PYTHON_WORD) 1308ifneq ($(OUTPUT),) 1309$(call detected_var,OUTPUT) 1310endif 1311$(call detected_var,htmldir_SQ) 1312$(call detected_var,infodir_SQ) 1313$(call detected_var,mandir_SQ) 1314$(call detected_var,ETC_PERFCONFIG_SQ) 1315$(call detected_var,STRACE_GROUPS_DIR_SQ) 1316$(call detected_var,prefix_SQ) 1317$(call detected_var,perfexecdir_SQ) 1318$(call detected_var,perf_include_dir_SQ) 1319$(call detected_var,perf_examples_dir_SQ) 1320$(call detected_var,tipdir_SQ) 1321$(call detected_var,srcdir_SQ) 1322$(call detected_var,LIBDIR) 1323$(call detected_var,GTK_CFLAGS) 1324$(call detected_var,PERL_EMBED_CCOPTS) 1325$(call detected_var,PYTHON_EMBED_CCOPTS) 1326ifneq ($(BISON_FILE_PREFIX_MAP),) 1327$(call detected_var,BISON_FILE_PREFIX_MAP) 1328endif 1329 1330# re-generate FEATURE-DUMP as we may have called feature_check, found out 1331# extra libraries to add to LDFLAGS of some other test and then redo those 1332# tests, see the block about libbfd, disassembler-four-args, for instance. 1333$(shell rm -f $(FEATURE_DUMP_FILENAME)) 1334$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) 1335 1336ifeq ($(feature_display),1) 1337 $(call feature_display_entries) 1338endif 1339