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_CONFIG))) 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 300CORE_CFLAGS += -fno-omit-frame-pointer 301CORE_CFLAGS += -ggdb3 302CORE_CFLAGS += -funwind-tables 303CORE_CFLAGS += -Wall 304CORE_CFLAGS += -Wextra 305CORE_CFLAGS += -std=gnu99 306 307CXXFLAGS += -std=gnu++14 -fno-exceptions -fno-rtti 308CXXFLAGS += -Wall 309CXXFLAGS += -fno-omit-frame-pointer 310CXXFLAGS += -ggdb3 311CXXFLAGS += -funwind-tables 312CXXFLAGS += -Wno-strict-aliasing 313 314HOSTCFLAGS += -Wall 315HOSTCFLAGS += -Wextra 316 317# Enforce a non-executable stack, as we may regress (again) in the future by 318# adding assembler files missing the .GNU-stack linker note. 319LDFLAGS += -Wl,-z,noexecstack 320 321EXTLIBS = -lpthread -lrt -lm -ldl 322 323ifneq ($(TCMALLOC),) 324 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free 325 EXTLIBS += -ltcmalloc 326endif 327 328ifeq ($(FEATURES_DUMP),) 329# We will display at the end of this Makefile.config, using $(call feature_display_entries), 330# as we may retry some feature detection here. 331 FEATURE_DISPLAY_DEFERRED := 1 332include $(srctree)/tools/build/Makefile.feature 333else 334include $(FEATURES_DUMP) 335endif 336 337ifeq ($(feature-stackprotector-all), 1) 338 CORE_CFLAGS += -fstack-protector-all 339endif 340 341ifeq ($(DEBUG),0) 342 ifeq ($(feature-fortify-source), 1) 343 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 344 endif 345endif 346 347INC_FLAGS += -I$(srctree)/tools/lib/perf/include 348INC_FLAGS += -I$(src-perf)/util/include 349INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include 350INC_FLAGS += -I$(srctree)/tools/include/ 351INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi 352INC_FLAGS += -I$(srctree)/tools/include/uapi 353INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/ 354INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/ 355 356# $(obj-perf) for generated common-cmds.h 357# $(obj-perf)/util for generated bison/flex headers 358ifneq ($(OUTPUT),) 359INC_FLAGS += -I$(obj-perf)/util 360INC_FLAGS += -I$(obj-perf) 361endif 362 363INC_FLAGS += -I$(src-perf)/util 364INC_FLAGS += -I$(src-perf) 365INC_FLAGS += -I$(srctree)/tools/lib/ 366 367CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE 368 369CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS) 370CXXFLAGS += $(INC_FLAGS) 371 372LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS) 373 374ifeq ($(feature-pthread-attr-setaffinity-np), 1) 375 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP 376endif 377 378ifeq ($(feature-pthread-barrier), 1) 379 CFLAGS += -DHAVE_PTHREAD_BARRIER 380endif 381 382ifndef NO_BIONIC 383 $(call feature_check,bionic) 384 ifeq ($(feature-bionic), 1) 385 BIONIC := 1 386 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE 387 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE 388 EXTLIBS := $(filter-out -lrt,$(EXTLIBS)) 389 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS)) 390 endif 391endif 392 393ifeq ($(feature-eventfd), 1) 394 CFLAGS += -DHAVE_EVENTFD_SUPPORT 395endif 396 397ifeq ($(feature-get_current_dir_name), 1) 398 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME 399endif 400 401ifeq ($(feature-gettid), 1) 402 CFLAGS += -DHAVE_GETTID 403endif 404 405ifeq ($(feature-file-handle), 1) 406 CFLAGS += -DHAVE_FILE_HANDLE 407endif 408 409ifdef NO_LIBELF 410 NO_DWARF := 1 411 NO_DEMANGLE := 1 412 NO_LIBUNWIND := 1 413 NO_LIBDW_DWARF_UNWIND := 1 414 NO_LIBBPF := 1 415 NO_JVMTI := 1 416else 417 ifeq ($(feature-libelf), 0) 418 ifeq ($(feature-glibc), 1) 419 LIBC_SUPPORT := 1 420 endif 421 ifeq ($(BIONIC),1) 422 LIBC_SUPPORT := 1 423 endif 424 ifeq ($(LIBC_SUPPORT),1) 425 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); 426 427 NO_LIBELF := 1 428 NO_DWARF := 1 429 NO_DEMANGLE := 1 430 NO_LIBUNWIND := 1 431 NO_LIBDW_DWARF_UNWIND := 1 432 NO_LIBBPF := 1 433 NO_JVMTI := 1 434 else 435 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),) 436 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0) 437 msg := $(error No libasan found, please install libasan); 438 endif 439 endif 440 441 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),) 442 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0) 443 msg := $(error No libubsan found, please install libubsan); 444 endif 445 endif 446 447 ifneq ($(filter s% -static%,$(LDFLAGS),),) 448 msg := $(error No static glibc found, please install glibc-static); 449 else 450 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]); 451 endif 452 endif 453 else 454 ifndef NO_LIBDW_DWARF_UNWIND 455 ifneq ($(feature-libdw-dwarf-unwind),1) 456 NO_LIBDW_DWARF_UNWIND := 1 457 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR); 458 endif 459 endif 460 ifneq ($(feature-dwarf), 1) 461 ifndef NO_DWARF 462 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); 463 NO_DWARF := 1 464 endif 465 else 466 ifneq ($(feature-dwarf_getlocations), 1) 467 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157); 468 else 469 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT 470 endif # dwarf_getlocations 471 endif # Dwarf support 472 endif # libelf support 473endif # NO_LIBELF 474 475ifeq ($(feature-glibc), 1) 476 CFLAGS += -DHAVE_GLIBC_SUPPORT 477endif 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 ifdef LIBBPF_DYNAMIC 566 ifeq ($(feature-libbpf), 1) 567 EXTLIBS += -lbpf 568 $(call detected,CONFIG_LIBBPF_DYNAMIC) 569 570 $(call feature_check,libbpf-btf__load_from_kernel_by_id) 571 ifeq ($(feature-libbpf-btf__load_from_kernel_by_id), 1) 572 CFLAGS += -DHAVE_LIBBPF_BTF__LOAD_FROM_KERNEL_BY_ID 573 endif 574 $(call feature_check,libbpf-bpf_prog_load) 575 ifeq ($(feature-libbpf-bpf_prog_load), 1) 576 CFLAGS += -DHAVE_LIBBPF_BPF_PROG_LOAD 577 endif 578 $(call feature_check,libbpf-bpf_object__next_program) 579 ifeq ($(feature-libbpf-bpf_object__next_program), 1) 580 CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_PROGRAM 581 endif 582 $(call feature_check,libbpf-bpf_object__next_map) 583 ifeq ($(feature-libbpf-bpf_object__next_map), 1) 584 CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_MAP 585 endif 586 $(call feature_check,libbpf-btf__raw_data) 587 ifeq ($(feature-libbpf-btf__raw_data), 1) 588 CFLAGS += -DHAVE_LIBBPF_BTF__RAW_DATA 589 endif 590 $(call feature_check,libbpf-bpf_map_create) 591 ifeq ($(feature-libbpf-bpf_map_create), 1) 592 CFLAGS += -DHAVE_LIBBPF_BPF_MAP_CREATE 593 endif 594 else 595 dummy := $(error Error: No libbpf devel library found, please install libbpf-devel); 596 endif 597 else 598 CFLAGS += -DHAVE_LIBBPF_BTF__LOAD_FROM_KERNEL_BY_ID 599 CFLAGS += -DHAVE_LIBBPF_BPF_PROG_LOAD 600 CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_PROGRAM 601 CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_MAP 602 CFLAGS += -DHAVE_LIBBPF_BTF__RAW_DATA 603 CFLAGS += -DHAVE_LIBBPF_BPF_MAP_CREATE 604 endif 605 endif 606 607 ifndef NO_DWARF 608 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 609 CFLAGS += -DHAVE_BPF_PROLOGUE 610 $(call detected,CONFIG_BPF_PROLOGUE) 611 else 612 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset()); 613 endif 614 else 615 msg := $(warning DWARF support is off, BPF prologue is disabled); 616 endif 617 618 endif # NO_LIBBPF 619endif # NO_LIBELF 620 621ifndef NO_SDT 622 ifneq ($(feature-sdt), 1) 623 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev); 624 NO_SDT := 1; 625 else 626 CFLAGS += -DHAVE_SDT_EVENT 627 $(call detected,CONFIG_SDT_EVENT) 628 endif 629endif 630 631ifdef PERF_HAVE_JITDUMP 632 ifndef NO_LIBELF 633 $(call detected,CONFIG_JITDUMP) 634 CFLAGS += -DHAVE_JITDUMP 635 endif 636endif 637 638ifeq ($(SRCARCH),powerpc) 639 ifndef NO_DWARF 640 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX 641 endif 642endif 643 644ifndef NO_LIBUNWIND 645 have_libunwind := 646 647 $(call feature_check,libunwind-x86) 648 ifeq ($(feature-libunwind-x86), 1) 649 $(call detected,CONFIG_LIBUNWIND_X86) 650 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT 651 LDFLAGS += -lunwind-x86 652 EXTLIBS_LIBUNWIND += -lunwind-x86 653 have_libunwind = 1 654 endif 655 656 $(call feature_check,libunwind-aarch64) 657 ifeq ($(feature-libunwind-aarch64), 1) 658 $(call detected,CONFIG_LIBUNWIND_AARCH64) 659 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT 660 LDFLAGS += -lunwind-aarch64 661 EXTLIBS_LIBUNWIND += -lunwind-aarch64 662 have_libunwind = 1 663 $(call feature_check,libunwind-debug-frame-aarch64) 664 ifneq ($(feature-libunwind-debug-frame-aarch64), 1) 665 msg := $(warning No debug_frame support found in libunwind-aarch64); 666 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64 667 endif 668 endif 669 670 ifneq ($(feature-libunwind), 1) 671 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR); 672 NO_LOCAL_LIBUNWIND := 1 673 else 674 have_libunwind := 1 675 $(call detected,CONFIG_LOCAL_LIBUNWIND) 676 endif 677 678 ifneq ($(have_libunwind), 1) 679 NO_LIBUNWIND := 1 680 endif 681else 682 NO_LOCAL_LIBUNWIND := 1 683endif 684 685ifndef NO_LIBBPF 686 ifneq ($(feature-bpf), 1) 687 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) 688 NO_LIBBPF := 1 689 endif 690endif 691 692ifdef BUILD_BPF_SKEL 693 $(call feature_check,clang-bpf-co-re) 694 ifeq ($(feature-clang-bpf-co-re), 0) 695 dummy := $(error Error: clang too old/not installed. Please install recent clang to build with BUILD_BPF_SKEL) 696 endif 697 ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) 698 dummy := $(error Error: BPF skeleton support requires libbpf) 699 endif 700 $(call detected,CONFIG_PERF_BPF_SKEL) 701 CFLAGS += -DHAVE_BPF_SKEL 702endif 703 704dwarf-post-unwind := 1 705dwarf-post-unwind-text := BUG 706 707# setup DWARF post unwinder 708ifdef NO_LIBUNWIND 709 ifdef NO_LIBDW_DWARF_UNWIND 710 msg := $(warning Disabling post unwind, no support found.); 711 dwarf-post-unwind := 0 712 else 713 dwarf-post-unwind-text := libdw 714 $(call detected,CONFIG_LIBDW_DWARF_UNWIND) 715 endif 716else 717 dwarf-post-unwind-text := libunwind 718 $(call detected,CONFIG_LIBUNWIND) 719 # Enable libunwind support by default. 720 ifndef NO_LIBDW_DWARF_UNWIND 721 NO_LIBDW_DWARF_UNWIND := 1 722 endif 723endif 724 725ifeq ($(dwarf-post-unwind),1) 726 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT 727 $(call detected,CONFIG_DWARF_UNWIND) 728else 729 NO_DWARF_UNWIND := 1 730endif 731 732ifndef NO_LOCAL_LIBUNWIND 733 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64)) 734 $(call feature_check,libunwind-debug-frame) 735 ifneq ($(feature-libunwind-debug-frame), 1) 736 msg := $(warning No debug_frame support found in libunwind); 737 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 738 endif 739 else 740 # non-ARM has no dwarf_find_debug_frame() function: 741 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 742 endif 743 EXTLIBS += $(LIBUNWIND_LIBS) 744 LDFLAGS += $(LIBUNWIND_LIBS) 745endif 746ifeq ($(findstring -static,${LDFLAGS}),-static) 747 # gcc -static links libgcc_eh which contans piece of libunwind 748 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition 749endif 750 751ifndef NO_LIBUNWIND 752 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT 753 CFLAGS += $(LIBUNWIND_CFLAGS) 754 LDFLAGS += $(LIBUNWIND_LDFLAGS) 755 EXTLIBS += $(EXTLIBS_LIBUNWIND) 756endif 757 758ifeq ($(NO_SYSCALL_TABLE),0) 759 $(call detected,CONFIG_TRACE) 760else 761 ifndef NO_LIBAUDIT 762 $(call feature_check,libaudit) 763 ifneq ($(feature-libaudit), 1) 764 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev); 765 NO_LIBAUDIT := 1 766 else 767 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT 768 EXTLIBS += -laudit 769 $(call detected,CONFIG_TRACE) 770 endif 771 endif 772endif 773 774ifndef NO_LIBCRYPTO 775 ifneq ($(feature-libcrypto), 1) 776 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev); 777 NO_LIBCRYPTO := 1 778 else 779 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT 780 EXTLIBS += -lcrypto 781 $(call detected,CONFIG_CRYPTO) 782 endif 783endif 784 785ifdef NO_NEWT 786 NO_SLANG=1 787endif 788 789ifndef NO_SLANG 790 ifneq ($(feature-libslang), 1) 791 ifneq ($(feature-libslang-include-subdir), 1) 792 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev); 793 NO_SLANG := 1 794 else 795 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR 796 endif 797 endif 798 ifndef NO_SLANG 799 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h 800 CFLAGS += -DHAVE_SLANG_SUPPORT 801 EXTLIBS += -lslang 802 $(call detected,CONFIG_SLANG) 803 endif 804endif 805 806ifdef GTK2 807 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) 808 $(call feature_check,gtk2) 809 ifneq ($(feature-gtk2), 1) 810 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev); 811 NO_GTK2 := 1 812 else 813 $(call feature_check,gtk2-infobar) 814 ifeq ($(feature-gtk2-infobar), 1) 815 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT 816 endif 817 CFLAGS += -DHAVE_GTK2_SUPPORT 818 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) 819 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) 820 EXTLIBS += -ldl 821 endif 822endif 823 824ifdef NO_LIBPERL 825 CFLAGS += -DNO_LIBPERL 826else 827 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) 828 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) 829 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) 830 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) 831 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) 832 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) 833 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 834 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) 835 836 ifneq ($(feature-libperl), 1) 837 CFLAGS += -DNO_LIBPERL 838 NO_LIBPERL := 1 839 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev); 840 else 841 LDFLAGS += $(PERL_EMBED_LDFLAGS) 842 EXTLIBS += $(PERL_EMBED_LIBADD) 843 CFLAGS += -DHAVE_LIBPERL_SUPPORT 844 ifeq ($(CC_NO_CLANG), 0) 845 CFLAGS += -Wno-compound-token-split-by-macro 846 endif 847 $(call detected,CONFIG_LIBPERL) 848 endif 849endif 850 851ifeq ($(feature-timerfd), 1) 852 CFLAGS += -DHAVE_TIMERFD_SUPPORT 853else 854 msg := $(warning No timerfd support. Disables 'perf kvm stat live'); 855endif 856 857disable-python = $(eval $(disable-python_code)) 858define disable-python_code 859 CFLAGS += -DNO_LIBPYTHON 860 $(warning $1) 861 NO_LIBPYTHON := 1 862endef 863 864ifdef NO_LIBPYTHON 865 $(call disable-python,Python support disabled by user) 866else 867 868 ifndef PYTHON 869 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev) 870 else 871 PYTHON_WORD := $(call shell-wordify,$(PYTHON)) 872 873 ifndef PYTHON_CONFIG 874 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) 875 else 876 877 ifneq ($(feature-libpython), 1) 878 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev) 879 else 880 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 881 EXTLIBS += $(PYTHON_EMBED_LIBADD) 882 LANG_BINDINGS += $(obj-perf)python/perf.so 883 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT 884 $(call detected,CONFIG_LIBPYTHON) 885 endif 886 endif 887 endif 888endif 889 890ifneq ($(NO_JEVENTS),1) 891 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),) 892 NO_JEVENTS := 1 893 endif 894endif 895ifneq ($(NO_JEVENTS),1) 896 NO_JEVENTS := 0 897 ifndef PYTHON 898 $(warning No python interpreter disabling jevent generation) 899 NO_JEVENTS := 1 900 else 901 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016. 902 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) 903 ifneq ($(JEVENTS_PYTHON_GOOD), 1) 904 $(warning Python interpreter too old (older than 3.6) disabling jevent generation) 905 NO_JEVENTS := 1 906 endif 907 endif 908endif 909 910ifndef NO_LIBBFD 911 ifeq ($(feature-libbfd), 1) 912 EXTLIBS += -lbfd -lopcodes 913 else 914 # we are on a system that requires -liberty and (maybe) -lz 915 # to link against -lbfd; test each case individually here 916 917 # call all detections now so we get correct 918 # status in VF output 919 $(call feature_check,libbfd-liberty) 920 $(call feature_check,libbfd-liberty-z) 921 922 ifeq ($(feature-libbfd-liberty), 1) 923 EXTLIBS += -lbfd -lopcodes -liberty 924 else 925 ifeq ($(feature-libbfd-liberty-z), 1) 926 EXTLIBS += -lbfd -lopcodes -liberty -lz 927 endif 928 endif 929 $(call feature_check,disassembler-four-args) 930 $(call feature_check,disassembler-init-styled) 931 endif 932 933 ifeq ($(feature-libbfd-buildid), 1) 934 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT 935 else 936 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available); 937 endif 938endif 939 940ifdef NO_DEMANGLE 941 CFLAGS += -DNO_DEMANGLE 942else 943 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT 944 EXTLIBS += -liberty 945 else 946 ifeq ($(filter -liberty,$(EXTLIBS)),) 947 $(call feature_check,cplus-demangle) 948 949 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT 950 # or any of 'bfd iberty z' trinity 951 ifeq ($(feature-cplus-demangle), 1) 952 EXTLIBS += -liberty 953 else 954 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling) 955 CFLAGS += -DNO_DEMANGLE 956 endif 957 endif 958 endif 959 960 ifneq ($(filter -liberty,$(EXTLIBS)),) 961 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 962 endif 963endif 964 965ifneq ($(filter -lbfd,$(EXTLIBS)),) 966 CFLAGS += -DHAVE_LIBBFD_SUPPORT 967endif 968 969ifndef NO_ZLIB 970 ifeq ($(feature-zlib), 1) 971 CFLAGS += -DHAVE_ZLIB_SUPPORT 972 EXTLIBS += -lz 973 $(call detected,CONFIG_ZLIB) 974 else 975 NO_ZLIB := 1 976 endif 977endif 978 979ifndef NO_LZMA 980 ifeq ($(feature-lzma), 1) 981 CFLAGS += -DHAVE_LZMA_SUPPORT 982 EXTLIBS += -llzma 983 $(call detected,CONFIG_LZMA) 984 else 985 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev); 986 NO_LZMA := 1 987 endif 988endif 989 990ifndef NO_LIBZSTD 991 ifeq ($(feature-libzstd), 1) 992 CFLAGS += -DHAVE_ZSTD_SUPPORT 993 CFLAGS += $(LIBZSTD_CFLAGS) 994 LDFLAGS += $(LIBZSTD_LDFLAGS) 995 EXTLIBS += -lzstd 996 $(call detected,CONFIG_ZSTD) 997 else 998 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR); 999 NO_LIBZSTD := 1 1000 endif 1001endif 1002 1003ifndef NO_LIBCAP 1004 ifeq ($(feature-libcap), 1) 1005 CFLAGS += -DHAVE_LIBCAP_SUPPORT 1006 EXTLIBS += -lcap 1007 $(call detected,CONFIG_LIBCAP) 1008 else 1009 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev); 1010 NO_LIBCAP := 1 1011 endif 1012endif 1013 1014ifndef NO_BACKTRACE 1015 ifeq ($(feature-backtrace), 1) 1016 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 1017 endif 1018endif 1019 1020ifndef NO_LIBNUMA 1021 ifeq ($(feature-libnuma), 0) 1022 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev); 1023 NO_LIBNUMA := 1 1024 else 1025 ifeq ($(feature-numa_num_possible_cpus), 0) 1026 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8); 1027 NO_LIBNUMA := 1 1028 else 1029 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 1030 EXTLIBS += -lnuma 1031 $(call detected,CONFIG_NUMA) 1032 endif 1033 endif 1034endif 1035 1036ifdef HAVE_KVM_STAT_SUPPORT 1037 CFLAGS += -DHAVE_KVM_STAT_SUPPORT 1038endif 1039 1040ifeq ($(feature-disassembler-four-args), 1) 1041 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 1042endif 1043 1044ifeq ($(feature-disassembler-init-styled), 1) 1045 CFLAGS += -DDISASM_INIT_STYLED 1046endif 1047 1048ifeq (${IS_64_BIT}, 1) 1049 ifndef NO_PERF_READ_VDSO32 1050 $(call feature_check,compile-32) 1051 ifeq ($(feature-compile-32), 1) 1052 CFLAGS += -DHAVE_PERF_READ_VDSO32 1053 else 1054 NO_PERF_READ_VDSO32 := 1 1055 endif 1056 endif 1057 ifneq ($(SRCARCH), x86) 1058 NO_PERF_READ_VDSOX32 := 1 1059 endif 1060 ifndef NO_PERF_READ_VDSOX32 1061 $(call feature_check,compile-x32) 1062 ifeq ($(feature-compile-x32), 1) 1063 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1064 else 1065 NO_PERF_READ_VDSOX32 := 1 1066 endif 1067 endif 1068else 1069 NO_PERF_READ_VDSO32 := 1 1070 NO_PERF_READ_VDSOX32 := 1 1071endif 1072 1073ifndef NO_LIBBABELTRACE 1074 $(call feature_check,libbabeltrace) 1075 ifeq ($(feature-libbabeltrace), 1) 1076 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS) 1077 LDFLAGS += $(LIBBABELTRACE_LDFLAGS) 1078 EXTLIBS += -lbabeltrace-ctf 1079 $(call detected,CONFIG_LIBBABELTRACE) 1080 else 1081 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev); 1082 endif 1083endif 1084 1085ifndef NO_AUXTRACE 1086 ifeq ($(SRCARCH),x86) 1087 ifeq ($(feature-get_cpuid), 0) 1088 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc); 1089 NO_AUXTRACE := 1 1090 endif 1091 endif 1092 ifndef NO_AUXTRACE 1093 $(call detected,CONFIG_AUXTRACE) 1094 CFLAGS += -DHAVE_AUXTRACE_SUPPORT 1095 ifeq ($(feature-reallocarray), 0) 1096 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 1097 endif 1098 endif 1099endif 1100 1101ifndef NO_JVMTI 1102 ifneq (,$(wildcard /usr/sbin/update-java-alternatives)) 1103 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}') 1104 else 1105 ifneq (,$(wildcard /usr/sbin/alternatives)) 1106 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g') 1107 endif 1108 endif 1109 ifndef JDIR 1110 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory) 1111 NO_JVMTI := 1 1112 endif 1113endif 1114 1115ifndef NO_JVMTI 1116 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux 1117 $(call feature_check,jvmti) 1118 ifeq ($(feature-jvmti), 1) 1119 $(call detected_var,JDIR) 1120 ifndef NO_JVMTI_CMLR 1121 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti) 1122 $(call feature_check,jvmti-cmlr) 1123 ifeq ($(feature-jvmti-cmlr), 1) 1124 CFLAGS += -DHAVE_JVMTI_CMLR 1125 endif 1126 endif # NO_JVMTI_CMLR 1127 else 1128 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel) 1129 NO_JVMTI := 1 1130 endif 1131endif 1132 1133USE_CXX = 0 1134USE_CLANGLLVM = 0 1135ifdef LIBCLANGLLVM 1136 $(call feature_check,cxx) 1137 ifneq ($(feature-cxx), 1) 1138 msg := $(warning No g++ found, disable clang and llvm support. Please install g++) 1139 else 1140 $(call feature_check,llvm) 1141 $(call feature_check,llvm-version) 1142 ifneq ($(feature-llvm), 1) 1143 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0)) 1144 else 1145 $(call feature_check,clang) 1146 ifneq ($(feature-clang), 1) 1147 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0)) 1148 else 1149 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT 1150 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir) 1151 $(call detected,CONFIG_CXX) 1152 $(call detected,CONFIG_CLANGLLVM) 1153 USE_CXX = 1 1154 USE_LLVM = 1 1155 USE_CLANG = 1 1156 ifneq ($(feature-llvm-version),1) 1157 msg := $(warning This version of LLVM is not tested. May cause build errors) 1158 endif 1159 endif 1160 endif 1161 endif 1162endif 1163 1164ifdef LIBPFM4 1165 $(call feature_check,libpfm4) 1166 ifeq ($(feature-libpfm4), 1) 1167 CFLAGS += -DHAVE_LIBPFM 1168 EXTLIBS += -lpfm 1169 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 1170 $(call detected,CONFIG_LIBPFM4) 1171 else 1172 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev); 1173 NO_LIBPFM4 := 1 1174 endif 1175endif 1176 1177ifdef LIBTRACEEVENT_DYNAMIC 1178 $(call feature_check,libtraceevent) 1179 ifeq ($(feature-libtraceevent), 1) 1180 EXTLIBS += -ltraceevent 1181 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent) 1182 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1183 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1184 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1185 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3)) 1186 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP) 1187 else 1188 dummy := $(error Error: No libtraceevent devel library found, please install libtraceevent-devel); 1189 endif 1190endif 1191 1192ifdef LIBTRACEFS_DYNAMIC 1193 $(call feature_check,libtracefs) 1194 ifeq ($(feature-libtracefs), 1) 1195 EXTLIBS += -ltracefs 1196 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs) 1197 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION))) 1198 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION))) 1199 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION))) 1200 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3)) 1201 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP) 1202 else 1203 dummy := $(error Error: No libtracefs devel library found, please install libtracefs-dev); 1204 endif 1205endif 1206 1207# Among the variables below, these: 1208# perfexecdir 1209# perf_include_dir 1210# perf_examples_dir 1211# template_dir 1212# mandir 1213# infodir 1214# htmldir 1215# ETC_PERFCONFIG (but not sysconfdir) 1216# can be specified as a relative path some/where/else; 1217# this is interpreted as relative to $(prefix) and "perf" at 1218# runtime figures out where they are based on the path to the executable. 1219# This can help installing the suite in a relocatable way. 1220 1221# Make the path relative to DESTDIR, not to prefix 1222ifndef DESTDIR 1223prefix ?= $(HOME) 1224endif 1225bindir_relative = bin 1226bindir = $(abspath $(prefix)/$(bindir_relative)) 1227includedir_relative = include 1228includedir = $(abspath $(prefix)/$(includedir_relative)) 1229mandir = share/man 1230infodir = share/info 1231perfexecdir = libexec/perf-core 1232perf_include_dir = lib/perf/include 1233perf_examples_dir = lib/perf/examples 1234sharedir = $(prefix)/share 1235template_dir = share/perf-core/templates 1236STRACE_GROUPS_DIR = share/perf-core/strace/groups 1237htmldir = share/doc/perf-doc 1238tipdir = share/doc/perf-tip 1239srcdir = $(srctree)/tools/perf 1240ifeq ($(prefix),/usr) 1241sysconfdir = /etc 1242ETC_PERFCONFIG = $(sysconfdir)/perfconfig 1243else 1244sysconfdir = $(prefix)/etc 1245ETC_PERFCONFIG = etc/perfconfig 1246endif 1247ifndef lib 1248ifeq ($(SRCARCH)$(IS_64_BIT), x861) 1249lib = lib64 1250else 1251lib = lib 1252endif 1253endif # lib 1254libdir = $(prefix)/$(lib) 1255 1256# Shell quote (do not use $(call) to accommodate ancient setups); 1257ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) 1258STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR)) 1259DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) 1260bindir_SQ = $(subst ','\'',$(bindir)) 1261includedir_SQ = $(subst ','\'',$(includedir)) 1262mandir_SQ = $(subst ','\'',$(mandir)) 1263infodir_SQ = $(subst ','\'',$(infodir)) 1264perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) 1265perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir)) 1266perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir)) 1267template_dir_SQ = $(subst ','\'',$(template_dir)) 1268htmldir_SQ = $(subst ','\'',$(htmldir)) 1269tipdir_SQ = $(subst ','\'',$(tipdir)) 1270prefix_SQ = $(subst ','\'',$(prefix)) 1271sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) 1272libdir_SQ = $(subst ','\'',$(libdir)) 1273srcdir_SQ = $(subst ','\'',$(srcdir)) 1274 1275ifneq ($(filter /%,$(firstword $(perfexecdir))),) 1276perfexec_instdir = $(perfexecdir) 1277perf_include_instdir = $(perf_include_dir) 1278perf_examples_instdir = $(perf_examples_dir) 1279STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) 1280tip_instdir = $(tipdir) 1281else 1282perfexec_instdir = $(prefix)/$(perfexecdir) 1283perf_include_instdir = $(prefix)/$(perf_include_dir) 1284perf_examples_instdir = $(prefix)/$(perf_examples_dir) 1285STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) 1286tip_instdir = $(prefix)/$(tipdir) 1287endif 1288perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) 1289perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir)) 1290perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir)) 1291STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) 1292tip_instdir_SQ = $(subst ','\'',$(tip_instdir)) 1293 1294# If we install to $(HOME) we keep the traceevent default: 1295# $(HOME)/.traceevent/plugins 1296# Otherwise we install plugins into the global $(libdir). 1297ifdef DESTDIR 1298plugindir=$(libdir)/traceevent/plugins 1299plugindir_SQ= $(subst ','\'',$(plugindir)) 1300endif 1301 1302print_var = $(eval $(print_var_code)) $(info $(MSG)) 1303define print_var_code 1304 MSG = $(shell printf '...%30s: %s' $(1) $($(1))) 1305endef 1306 1307ifeq ($(VF),1) 1308 # Display EXTRA features which are detected manualy 1309 # from here with feature_check call and thus cannot 1310 # be partof global state output. 1311 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),)) 1312 $(call print_var,prefix) 1313 $(call print_var,bindir) 1314 $(call print_var,libdir) 1315 $(call print_var,sysconfdir) 1316 $(call print_var,LIBUNWIND_DIR) 1317 $(call print_var,LIBDW_DIR) 1318 $(call print_var,JDIR) 1319 1320 ifeq ($(dwarf-post-unwind),1) 1321 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) 1322 endif 1323 $(info ) 1324endif 1325 1326$(call detected_var,bindir_SQ) 1327$(call detected_var,PYTHON_WORD) 1328ifneq ($(OUTPUT),) 1329$(call detected_var,OUTPUT) 1330endif 1331$(call detected_var,htmldir_SQ) 1332$(call detected_var,infodir_SQ) 1333$(call detected_var,mandir_SQ) 1334$(call detected_var,ETC_PERFCONFIG_SQ) 1335$(call detected_var,STRACE_GROUPS_DIR_SQ) 1336$(call detected_var,prefix_SQ) 1337$(call detected_var,perfexecdir_SQ) 1338$(call detected_var,perf_include_dir_SQ) 1339$(call detected_var,perf_examples_dir_SQ) 1340$(call detected_var,tipdir_SQ) 1341$(call detected_var,srcdir_SQ) 1342$(call detected_var,LIBDIR) 1343$(call detected_var,GTK_CFLAGS) 1344$(call detected_var,PERL_EMBED_CCOPTS) 1345$(call detected_var,PYTHON_EMBED_CCOPTS) 1346ifneq ($(BISON_FILE_PREFIX_MAP),) 1347$(call detected_var,BISON_FILE_PREFIX_MAP) 1348endif 1349 1350# re-generate FEATURE-DUMP as we may have called feature_check, found out 1351# extra libraries to add to LDFLAGS of some other test and then redo those 1352# tests. 1353$(shell rm -f $(FEATURE_DUMP_FILENAME)) 1354$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) 1355 1356ifeq ($(feature_display),1) 1357 $(call feature_display_entries) 1358endif 1359