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# * python2-config as per pep-0394. 245# * python-config 246# * python3-config 247# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't) 248# 249PYTHON_AUTO := python-config 250PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO)) 251PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO)) 252PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(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 301FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl 302 303CORE_CFLAGS += -fno-omit-frame-pointer 304CORE_CFLAGS += -ggdb3 305CORE_CFLAGS += -funwind-tables 306CORE_CFLAGS += -Wall 307CORE_CFLAGS += -Wextra 308CORE_CFLAGS += -std=gnu99 309 310CXXFLAGS += -std=gnu++14 -fno-exceptions -fno-rtti 311CXXFLAGS += -Wall 312CXXFLAGS += -fno-omit-frame-pointer 313CXXFLAGS += -ggdb3 314CXXFLAGS += -funwind-tables 315CXXFLAGS += -Wno-strict-aliasing 316 317HOSTCFLAGS += -Wall 318HOSTCFLAGS += -Wextra 319 320# Enforce a non-executable stack, as we may regress (again) in the future by 321# adding assembler files missing the .GNU-stack linker note. 322LDFLAGS += -Wl,-z,noexecstack 323 324EXTLIBS = -lpthread -lrt -lm -ldl 325 326ifneq ($(TCMALLOC),) 327 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free 328 EXTLIBS += -ltcmalloc 329endif 330 331ifeq ($(FEATURES_DUMP),) 332# We will display at the end of this Makefile.config, using $(call feature_display_entries) 333# As we may retry some feature detection here, see the disassembler-four-args case, for instance 334 FEATURE_DISPLAY_DEFERRED := 1 335include $(srctree)/tools/build/Makefile.feature 336else 337include $(FEATURES_DUMP) 338endif 339 340ifeq ($(feature-stackprotector-all), 1) 341 CORE_CFLAGS += -fstack-protector-all 342endif 343 344ifeq ($(DEBUG),0) 345 ifeq ($(feature-fortify-source), 1) 346 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 347 endif 348endif 349 350INC_FLAGS += -I$(srctree)/tools/lib/perf/include 351INC_FLAGS += -I$(src-perf)/util/include 352INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include 353INC_FLAGS += -I$(srctree)/tools/include/ 354INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi 355INC_FLAGS += -I$(srctree)/tools/include/uapi 356INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/ 357INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/ 358 359# $(obj-perf) for generated common-cmds.h 360# $(obj-perf)/util for generated bison/flex headers 361ifneq ($(OUTPUT),) 362INC_FLAGS += -I$(obj-perf)/util 363INC_FLAGS += -I$(obj-perf) 364endif 365 366INC_FLAGS += -I$(src-perf)/util 367INC_FLAGS += -I$(src-perf) 368INC_FLAGS += -I$(srctree)/tools/lib/ 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-btf__raw_data) 590 ifeq ($(feature-libbpf-btf__raw_data), 1) 591 CFLAGS += -DHAVE_LIBBPF_BTF__RAW_DATA 592 endif 593 $(call feature_check,libbpf-bpf_map_create) 594 ifeq ($(feature-libbpf-bpf_map_create), 1) 595 CFLAGS += -DHAVE_LIBBPF_BPF_MAP_CREATE 596 endif 597 else 598 dummy := $(error Error: No libbpf devel library found, please install libbpf-devel); 599 endif 600 else 601 CFLAGS += -DHAVE_LIBBPF_BTF__LOAD_FROM_KERNEL_BY_ID 602 CFLAGS += -DHAVE_LIBBPF_BPF_PROG_LOAD 603 CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_PROGRAM 604 CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_MAP 605 CFLAGS += -DHAVE_LIBBPF_BTF__RAW_DATA 606 CFLAGS += -DHAVE_LIBBPF_BPF_MAP_CREATE 607 endif 608 endif 609 610 ifndef NO_DWARF 611 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 612 CFLAGS += -DHAVE_BPF_PROLOGUE 613 $(call detected,CONFIG_BPF_PROLOGUE) 614 else 615 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset()); 616 endif 617 else 618 msg := $(warning DWARF support is off, BPF prologue is disabled); 619 endif 620 621 endif # NO_LIBBPF 622endif # NO_LIBELF 623 624ifndef NO_SDT 625 ifneq ($(feature-sdt), 1) 626 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev); 627 NO_SDT := 1; 628 else 629 CFLAGS += -DHAVE_SDT_EVENT 630 $(call detected,CONFIG_SDT_EVENT) 631 endif 632endif 633 634ifdef PERF_HAVE_JITDUMP 635 ifndef NO_LIBELF 636 $(call detected,CONFIG_JITDUMP) 637 CFLAGS += -DHAVE_JITDUMP 638 endif 639endif 640 641ifeq ($(SRCARCH),powerpc) 642 ifndef NO_DWARF 643 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX 644 endif 645endif 646 647ifndef NO_LIBUNWIND 648 have_libunwind := 649 650 $(call feature_check,libunwind-x86) 651 ifeq ($(feature-libunwind-x86), 1) 652 $(call detected,CONFIG_LIBUNWIND_X86) 653 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT 654 LDFLAGS += -lunwind-x86 655 EXTLIBS_LIBUNWIND += -lunwind-x86 656 have_libunwind = 1 657 endif 658 659 $(call feature_check,libunwind-aarch64) 660 ifeq ($(feature-libunwind-aarch64), 1) 661 $(call detected,CONFIG_LIBUNWIND_AARCH64) 662 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT 663 LDFLAGS += -lunwind-aarch64 664 EXTLIBS_LIBUNWIND += -lunwind-aarch64 665 have_libunwind = 1 666 $(call feature_check,libunwind-debug-frame-aarch64) 667 ifneq ($(feature-libunwind-debug-frame-aarch64), 1) 668 msg := $(warning No debug_frame support found in libunwind-aarch64); 669 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64 670 endif 671 endif 672 673 ifneq ($(feature-libunwind), 1) 674 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR); 675 NO_LOCAL_LIBUNWIND := 1 676 else 677 have_libunwind := 1 678 $(call detected,CONFIG_LOCAL_LIBUNWIND) 679 endif 680 681 ifneq ($(have_libunwind), 1) 682 NO_LIBUNWIND := 1 683 endif 684else 685 NO_LOCAL_LIBUNWIND := 1 686endif 687 688ifndef NO_LIBBPF 689 ifneq ($(feature-bpf), 1) 690 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) 691 NO_LIBBPF := 1 692 endif 693endif 694 695ifdef BUILD_BPF_SKEL 696 $(call feature_check,clang-bpf-co-re) 697 ifeq ($(feature-clang-bpf-co-re), 0) 698 dummy := $(error Error: clang too old/not installed. Please install recent clang to build with BUILD_BPF_SKEL) 699 endif 700 ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) 701 dummy := $(error Error: BPF skeleton support requires libbpf) 702 endif 703 $(call detected,CONFIG_PERF_BPF_SKEL) 704 CFLAGS += -DHAVE_BPF_SKEL 705endif 706 707dwarf-post-unwind := 1 708dwarf-post-unwind-text := BUG 709 710# setup DWARF post unwinder 711ifdef NO_LIBUNWIND 712 ifdef NO_LIBDW_DWARF_UNWIND 713 msg := $(warning Disabling post unwind, no support found.); 714 dwarf-post-unwind := 0 715 else 716 dwarf-post-unwind-text := libdw 717 $(call detected,CONFIG_LIBDW_DWARF_UNWIND) 718 endif 719else 720 dwarf-post-unwind-text := libunwind 721 $(call detected,CONFIG_LIBUNWIND) 722 # Enable libunwind support by default. 723 ifndef NO_LIBDW_DWARF_UNWIND 724 NO_LIBDW_DWARF_UNWIND := 1 725 endif 726endif 727 728ifeq ($(dwarf-post-unwind),1) 729 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT 730 $(call detected,CONFIG_DWARF_UNWIND) 731else 732 NO_DWARF_UNWIND := 1 733endif 734 735ifndef NO_LOCAL_LIBUNWIND 736 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64)) 737 $(call feature_check,libunwind-debug-frame) 738 ifneq ($(feature-libunwind-debug-frame), 1) 739 msg := $(warning No debug_frame support found in libunwind); 740 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 741 endif 742 else 743 # non-ARM has no dwarf_find_debug_frame() function: 744 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 745 endif 746 EXTLIBS += $(LIBUNWIND_LIBS) 747 LDFLAGS += $(LIBUNWIND_LIBS) 748endif 749ifeq ($(findstring -static,${LDFLAGS}),-static) 750 # gcc -static links libgcc_eh which contans piece of libunwind 751 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition 752endif 753 754ifndef NO_LIBUNWIND 755 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT 756 CFLAGS += $(LIBUNWIND_CFLAGS) 757 LDFLAGS += $(LIBUNWIND_LDFLAGS) 758 EXTLIBS += $(EXTLIBS_LIBUNWIND) 759endif 760 761ifeq ($(NO_SYSCALL_TABLE),0) 762 $(call detected,CONFIG_TRACE) 763else 764 ifndef NO_LIBAUDIT 765 $(call feature_check,libaudit) 766 ifneq ($(feature-libaudit), 1) 767 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev); 768 NO_LIBAUDIT := 1 769 else 770 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT 771 EXTLIBS += -laudit 772 $(call detected,CONFIG_TRACE) 773 endif 774 endif 775endif 776 777ifndef NO_LIBCRYPTO 778 ifneq ($(feature-libcrypto), 1) 779 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev); 780 NO_LIBCRYPTO := 1 781 else 782 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT 783 EXTLIBS += -lcrypto 784 $(call detected,CONFIG_CRYPTO) 785 endif 786endif 787 788ifdef NO_NEWT 789 NO_SLANG=1 790endif 791 792ifndef NO_SLANG 793 ifneq ($(feature-libslang), 1) 794 ifneq ($(feature-libslang-include-subdir), 1) 795 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev); 796 NO_SLANG := 1 797 else 798 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR 799 endif 800 endif 801 ifndef NO_SLANG 802 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h 803 CFLAGS += -DHAVE_SLANG_SUPPORT 804 EXTLIBS += -lslang 805 $(call detected,CONFIG_SLANG) 806 endif 807endif 808 809ifdef GTK2 810 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) 811 $(call feature_check,gtk2) 812 ifneq ($(feature-gtk2), 1) 813 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev); 814 NO_GTK2 := 1 815 else 816 $(call feature_check,gtk2-infobar) 817 ifeq ($(feature-gtk2-infobar), 1) 818 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT 819 endif 820 CFLAGS += -DHAVE_GTK2_SUPPORT 821 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) 822 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) 823 EXTLIBS += -ldl 824 endif 825endif 826 827ifdef NO_LIBPERL 828 CFLAGS += -DNO_LIBPERL 829else 830 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) 831 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) 832 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) 833 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) 834 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) 835 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) 836 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 837 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) 838 839 ifneq ($(feature-libperl), 1) 840 CFLAGS += -DNO_LIBPERL 841 NO_LIBPERL := 1 842 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev); 843 else 844 LDFLAGS += $(PERL_EMBED_LDFLAGS) 845 EXTLIBS += $(PERL_EMBED_LIBADD) 846 CFLAGS += -DHAVE_LIBPERL_SUPPORT 847 ifeq ($(CC_NO_CLANG), 0) 848 CFLAGS += -Wno-compound-token-split-by-macro 849 endif 850 $(call detected,CONFIG_LIBPERL) 851 endif 852endif 853 854ifeq ($(feature-timerfd), 1) 855 CFLAGS += -DHAVE_TIMERFD_SUPPORT 856else 857 msg := $(warning No timerfd support. Disables 'perf kvm stat live'); 858endif 859 860disable-python = $(eval $(disable-python_code)) 861define disable-python_code 862 CFLAGS += -DNO_LIBPYTHON 863 $(warning $1) 864 NO_LIBPYTHON := 1 865endef 866 867ifdef NO_LIBPYTHON 868 $(call disable-python,Python support disabled by user) 869else 870 871 ifndef PYTHON 872 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev) 873 else 874 PYTHON_WORD := $(call shell-wordify,$(PYTHON)) 875 876 ifndef PYTHON_CONFIG 877 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) 878 else 879 880 ifneq ($(feature-libpython), 1) 881 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev) 882 else 883 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 884 EXTLIBS += $(PYTHON_EMBED_LIBADD) 885 LANG_BINDINGS += $(obj-perf)python/perf.so 886 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT 887 $(call detected,CONFIG_LIBPYTHON) 888 endif 889 endif 890 endif 891endif 892 893ifneq ($(NO_JEVENTS),1) 894 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),) 895 NO_JEVENTS := 1 896 endif 897endif 898ifneq ($(NO_JEVENTS),1) 899 NO_JEVENTS := 0 900 ifndef PYTHON 901 $(warning No python interpreter disabling jevent generation) 902 NO_JEVENTS := 1 903 else 904 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016. 905 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) 906 ifneq ($(JEVENTS_PYTHON_GOOD), 1) 907 $(warning Python interpreter too old (older than 3.6) disabling jevent generation) 908 NO_JEVENTS := 1 909 endif 910 endif 911endif 912 913ifndef NO_LIBBFD 914 ifeq ($(feature-libbfd), 1) 915 EXTLIBS += -lbfd -lopcodes 916 else 917 # we are on a system that requires -liberty and (maybe) -lz 918 # to link against -lbfd; test each case individually here 919 920 # call all detections now so we get correct 921 # status in VF output 922 $(call feature_check,libbfd-liberty) 923 $(call feature_check,libbfd-liberty-z) 924 925 ifeq ($(feature-libbfd-liberty), 1) 926 EXTLIBS += -lbfd -lopcodes -liberty 927 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl 928 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl 929 else 930 ifeq ($(feature-libbfd-liberty-z), 1) 931 EXTLIBS += -lbfd -lopcodes -liberty -lz 932 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl 933 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl 934 endif 935 endif 936 $(call feature_check,disassembler-four-args) 937 $(call feature_check,disassembler-init-styled) 938 endif 939 940 ifeq ($(feature-libbfd-buildid), 1) 941 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT 942 else 943 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available); 944 endif 945endif 946 947ifdef NO_DEMANGLE 948 CFLAGS += -DNO_DEMANGLE 949else 950 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT 951 EXTLIBS += -liberty 952 else 953 ifeq ($(filter -liberty,$(EXTLIBS)),) 954 $(call feature_check,cplus-demangle) 955 956 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT 957 # or any of 'bfd iberty z' trinity 958 ifeq ($(feature-cplus-demangle), 1) 959 EXTLIBS += -liberty 960 else 961 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling) 962 CFLAGS += -DNO_DEMANGLE 963 endif 964 endif 965 endif 966 967 ifneq ($(filter -liberty,$(EXTLIBS)),) 968 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 969 endif 970endif 971 972ifneq ($(filter -lbfd,$(EXTLIBS)),) 973 CFLAGS += -DHAVE_LIBBFD_SUPPORT 974endif 975 976ifndef NO_ZLIB 977 ifeq ($(feature-zlib), 1) 978 CFLAGS += -DHAVE_ZLIB_SUPPORT 979 EXTLIBS += -lz 980 $(call detected,CONFIG_ZLIB) 981 else 982 NO_ZLIB := 1 983 endif 984endif 985 986ifndef NO_LZMA 987 ifeq ($(feature-lzma), 1) 988 CFLAGS += -DHAVE_LZMA_SUPPORT 989 EXTLIBS += -llzma 990 $(call detected,CONFIG_LZMA) 991 else 992 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev); 993 NO_LZMA := 1 994 endif 995endif 996 997ifndef NO_LIBZSTD 998 ifeq ($(feature-libzstd), 1) 999 CFLAGS += -DHAVE_ZSTD_SUPPORT 1000 CFLAGS += $(LIBZSTD_CFLAGS) 1001 LDFLAGS += $(LIBZSTD_LDFLAGS) 1002 EXTLIBS += -lzstd 1003 $(call detected,CONFIG_ZSTD) 1004 else 1005 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR); 1006 NO_LIBZSTD := 1 1007 endif 1008endif 1009 1010ifndef NO_LIBCAP 1011 ifeq ($(feature-libcap), 1) 1012 CFLAGS += -DHAVE_LIBCAP_SUPPORT 1013 EXTLIBS += -lcap 1014 $(call detected,CONFIG_LIBCAP) 1015 else 1016 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev); 1017 NO_LIBCAP := 1 1018 endif 1019endif 1020 1021ifndef NO_BACKTRACE 1022 ifeq ($(feature-backtrace), 1) 1023 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 1024 endif 1025endif 1026 1027ifndef NO_LIBNUMA 1028 ifeq ($(feature-libnuma), 0) 1029 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev); 1030 NO_LIBNUMA := 1 1031 else 1032 ifeq ($(feature-numa_num_possible_cpus), 0) 1033 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8); 1034 NO_LIBNUMA := 1 1035 else 1036 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 1037 EXTLIBS += -lnuma 1038 $(call detected,CONFIG_NUMA) 1039 endif 1040 endif 1041endif 1042 1043ifdef HAVE_KVM_STAT_SUPPORT 1044 CFLAGS += -DHAVE_KVM_STAT_SUPPORT 1045endif 1046 1047ifeq ($(feature-disassembler-four-args), 1) 1048 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 1049endif 1050 1051ifeq ($(feature-disassembler-init-styled), 1) 1052 CFLAGS += -DDISASM_INIT_STYLED 1053endif 1054 1055ifeq (${IS_64_BIT}, 1) 1056 ifndef NO_PERF_READ_VDSO32 1057 $(call feature_check,compile-32) 1058 ifeq ($(feature-compile-32), 1) 1059 CFLAGS += -DHAVE_PERF_READ_VDSO32 1060 else 1061 NO_PERF_READ_VDSO32 := 1 1062 endif 1063 endif 1064 ifneq ($(SRCARCH), x86) 1065 NO_PERF_READ_VDSOX32 := 1 1066 endif 1067 ifndef NO_PERF_READ_VDSOX32 1068 $(call feature_check,compile-x32) 1069 ifeq ($(feature-compile-x32), 1) 1070 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1071 else 1072 NO_PERF_READ_VDSOX32 := 1 1073 endif 1074 endif 1075else 1076 NO_PERF_READ_VDSO32 := 1 1077 NO_PERF_READ_VDSOX32 := 1 1078endif 1079 1080ifndef NO_LIBBABELTRACE 1081 $(call feature_check,libbabeltrace) 1082 ifeq ($(feature-libbabeltrace), 1) 1083 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS) 1084 LDFLAGS += $(LIBBABELTRACE_LDFLAGS) 1085 EXTLIBS += -lbabeltrace-ctf 1086 $(call detected,CONFIG_LIBBABELTRACE) 1087 else 1088 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev); 1089 endif 1090endif 1091 1092ifndef NO_AUXTRACE 1093 ifeq ($(SRCARCH),x86) 1094 ifeq ($(feature-get_cpuid), 0) 1095 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc); 1096 NO_AUXTRACE := 1 1097 endif 1098 endif 1099 ifndef NO_AUXTRACE 1100 $(call detected,CONFIG_AUXTRACE) 1101 CFLAGS += -DHAVE_AUXTRACE_SUPPORT 1102 ifeq ($(feature-reallocarray), 0) 1103 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 1104 endif 1105 endif 1106endif 1107 1108ifndef NO_JVMTI 1109 ifneq (,$(wildcard /usr/sbin/update-java-alternatives)) 1110 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}') 1111 else 1112 ifneq (,$(wildcard /usr/sbin/alternatives)) 1113 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g') 1114 endif 1115 endif 1116 ifndef JDIR 1117 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory) 1118 NO_JVMTI := 1 1119 endif 1120endif 1121 1122ifndef NO_JVMTI 1123 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux 1124 $(call feature_check,jvmti) 1125 ifeq ($(feature-jvmti), 1) 1126 $(call detected_var,JDIR) 1127 ifndef NO_JVMTI_CMLR 1128 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti) 1129 $(call feature_check,jvmti-cmlr) 1130 ifeq ($(feature-jvmti-cmlr), 1) 1131 CFLAGS += -DHAVE_JVMTI_CMLR 1132 endif 1133 endif # NO_JVMTI_CMLR 1134 else 1135 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel) 1136 NO_JVMTI := 1 1137 endif 1138endif 1139 1140USE_CXX = 0 1141USE_CLANGLLVM = 0 1142ifdef LIBCLANGLLVM 1143 $(call feature_check,cxx) 1144 ifneq ($(feature-cxx), 1) 1145 msg := $(warning No g++ found, disable clang and llvm support. Please install g++) 1146 else 1147 $(call feature_check,llvm) 1148 $(call feature_check,llvm-version) 1149 ifneq ($(feature-llvm), 1) 1150 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0)) 1151 else 1152 $(call feature_check,clang) 1153 ifneq ($(feature-clang), 1) 1154 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0)) 1155 else 1156 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT 1157 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir) 1158 $(call detected,CONFIG_CXX) 1159 $(call detected,CONFIG_CLANGLLVM) 1160 USE_CXX = 1 1161 USE_LLVM = 1 1162 USE_CLANG = 1 1163 ifneq ($(feature-llvm-version),1) 1164 msg := $(warning This version of LLVM is not tested. May cause build errors) 1165 endif 1166 endif 1167 endif 1168 endif 1169endif 1170 1171ifdef LIBPFM4 1172 $(call feature_check,libpfm4) 1173 ifeq ($(feature-libpfm4), 1) 1174 CFLAGS += -DHAVE_LIBPFM 1175 EXTLIBS += -lpfm 1176 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 1177 $(call detected,CONFIG_LIBPFM4) 1178 else 1179 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev); 1180 NO_LIBPFM4 := 1 1181 endif 1182endif 1183 1184ifdef LIBTRACEEVENT_DYNAMIC 1185 $(call feature_check,libtraceevent) 1186 ifeq ($(feature-libtraceevent), 1) 1187 EXTLIBS += -ltraceevent 1188 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent) 1189 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1190 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1191 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1192 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3)) 1193 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP) 1194 else 1195 dummy := $(error Error: No libtraceevent devel library found, please install libtraceevent-devel); 1196 endif 1197endif 1198 1199ifdef LIBTRACEFS_DYNAMIC 1200 $(call feature_check,libtracefs) 1201 ifeq ($(feature-libtracefs), 1) 1202 EXTLIBS += -ltracefs 1203 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs) 1204 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION))) 1205 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION))) 1206 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION))) 1207 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3)) 1208 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP) 1209 else 1210 dummy := $(error Error: No libtracefs devel library found, please install libtracefs-dev); 1211 endif 1212endif 1213 1214# Among the variables below, these: 1215# perfexecdir 1216# perf_include_dir 1217# perf_examples_dir 1218# template_dir 1219# mandir 1220# infodir 1221# htmldir 1222# ETC_PERFCONFIG (but not sysconfdir) 1223# can be specified as a relative path some/where/else; 1224# this is interpreted as relative to $(prefix) and "perf" at 1225# runtime figures out where they are based on the path to the executable. 1226# This can help installing the suite in a relocatable way. 1227 1228# Make the path relative to DESTDIR, not to prefix 1229ifndef DESTDIR 1230prefix ?= $(HOME) 1231endif 1232bindir_relative = bin 1233bindir = $(abspath $(prefix)/$(bindir_relative)) 1234includedir_relative = include 1235includedir = $(abspath $(prefix)/$(includedir_relative)) 1236mandir = share/man 1237infodir = share/info 1238perfexecdir = libexec/perf-core 1239perf_include_dir = lib/perf/include 1240perf_examples_dir = lib/perf/examples 1241sharedir = $(prefix)/share 1242template_dir = share/perf-core/templates 1243STRACE_GROUPS_DIR = share/perf-core/strace/groups 1244htmldir = share/doc/perf-doc 1245tipdir = share/doc/perf-tip 1246srcdir = $(srctree)/tools/perf 1247ifeq ($(prefix),/usr) 1248sysconfdir = /etc 1249ETC_PERFCONFIG = $(sysconfdir)/perfconfig 1250else 1251sysconfdir = $(prefix)/etc 1252ETC_PERFCONFIG = etc/perfconfig 1253endif 1254ifndef lib 1255ifeq ($(SRCARCH)$(IS_64_BIT), x861) 1256lib = lib64 1257else 1258lib = lib 1259endif 1260endif # lib 1261libdir = $(prefix)/$(lib) 1262 1263# Shell quote (do not use $(call) to accommodate ancient setups); 1264ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) 1265STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR)) 1266DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) 1267bindir_SQ = $(subst ','\'',$(bindir)) 1268includedir_SQ = $(subst ','\'',$(includedir)) 1269mandir_SQ = $(subst ','\'',$(mandir)) 1270infodir_SQ = $(subst ','\'',$(infodir)) 1271perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) 1272perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir)) 1273perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir)) 1274template_dir_SQ = $(subst ','\'',$(template_dir)) 1275htmldir_SQ = $(subst ','\'',$(htmldir)) 1276tipdir_SQ = $(subst ','\'',$(tipdir)) 1277prefix_SQ = $(subst ','\'',$(prefix)) 1278sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) 1279libdir_SQ = $(subst ','\'',$(libdir)) 1280srcdir_SQ = $(subst ','\'',$(srcdir)) 1281 1282ifneq ($(filter /%,$(firstword $(perfexecdir))),) 1283perfexec_instdir = $(perfexecdir) 1284perf_include_instdir = $(perf_include_dir) 1285perf_examples_instdir = $(perf_examples_dir) 1286STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) 1287tip_instdir = $(tipdir) 1288else 1289perfexec_instdir = $(prefix)/$(perfexecdir) 1290perf_include_instdir = $(prefix)/$(perf_include_dir) 1291perf_examples_instdir = $(prefix)/$(perf_examples_dir) 1292STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) 1293tip_instdir = $(prefix)/$(tipdir) 1294endif 1295perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) 1296perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir)) 1297perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir)) 1298STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) 1299tip_instdir_SQ = $(subst ','\'',$(tip_instdir)) 1300 1301# If we install to $(HOME) we keep the traceevent default: 1302# $(HOME)/.traceevent/plugins 1303# Otherwise we install plugins into the global $(libdir). 1304ifdef DESTDIR 1305plugindir=$(libdir)/traceevent/plugins 1306plugindir_SQ= $(subst ','\'',$(plugindir)) 1307endif 1308 1309print_var = $(eval $(print_var_code)) $(info $(MSG)) 1310define print_var_code 1311 MSG = $(shell printf '...%30s: %s' $(1) $($(1))) 1312endef 1313 1314ifeq ($(VF),1) 1315 # Display EXTRA features which are detected manualy 1316 # from here with feature_check call and thus cannot 1317 # be partof global state output. 1318 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),)) 1319 $(call print_var,prefix) 1320 $(call print_var,bindir) 1321 $(call print_var,libdir) 1322 $(call print_var,sysconfdir) 1323 $(call print_var,LIBUNWIND_DIR) 1324 $(call print_var,LIBDW_DIR) 1325 $(call print_var,JDIR) 1326 1327 ifeq ($(dwarf-post-unwind),1) 1328 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) 1329 endif 1330 $(info ) 1331endif 1332 1333$(call detected_var,bindir_SQ) 1334$(call detected_var,PYTHON_WORD) 1335ifneq ($(OUTPUT),) 1336$(call detected_var,OUTPUT) 1337endif 1338$(call detected_var,htmldir_SQ) 1339$(call detected_var,infodir_SQ) 1340$(call detected_var,mandir_SQ) 1341$(call detected_var,ETC_PERFCONFIG_SQ) 1342$(call detected_var,STRACE_GROUPS_DIR_SQ) 1343$(call detected_var,prefix_SQ) 1344$(call detected_var,perfexecdir_SQ) 1345$(call detected_var,perf_include_dir_SQ) 1346$(call detected_var,perf_examples_dir_SQ) 1347$(call detected_var,tipdir_SQ) 1348$(call detected_var,srcdir_SQ) 1349$(call detected_var,LIBDIR) 1350$(call detected_var,GTK_CFLAGS) 1351$(call detected_var,PERL_EMBED_CCOPTS) 1352$(call detected_var,PYTHON_EMBED_CCOPTS) 1353ifneq ($(BISON_FILE_PREFIX_MAP),) 1354$(call detected_var,BISON_FILE_PREFIX_MAP) 1355endif 1356 1357# re-generate FEATURE-DUMP as we may have called feature_check, found out 1358# extra libraries to add to LDFLAGS of some other test and then redo those 1359# tests, see the block about libbfd, disassembler-four-args, for instance. 1360$(shell rm -f $(FEATURE_DUMP_FILENAME)) 1361$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) 1362 1363ifeq ($(feature_display),1) 1364 $(call feature_display_entries) 1365endif 1366