1# SPDX-License-Identifier: GPL-2.0-only 2 3ifeq ($(src-perf),) 4src-perf := $(srctree)/tools/perf 5endif 6 7ifeq ($(obj-perf),) 8obj-perf := $(OUTPUT) 9endif 10 11ifneq ($(obj-perf),) 12obj-perf := $(abspath $(obj-perf))/ 13endif 14 15$(shell printf "" > $(OUTPUT).config-detected) 16detected = $(shell echo "$(1)=y" >> $(OUTPUT).config-detected) 17detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected) 18 19CFLAGS := $(EXTRA_CFLAGS) $(filter-out -Wnested-externs,$(EXTRA_WARNINGS)) 20HOSTCFLAGS := $(filter-out -Wnested-externs,$(EXTRA_WARNINGS)) 21 22# Enabled Wthread-safety analysis for clang builds. 23ifeq ($(CC_NO_CLANG), 0) 24 CFLAGS += -Wthread-safety 25endif 26 27include $(srctree)/tools/scripts/Makefile.arch 28 29$(call detected_var,SRCARCH) 30 31ifneq ($(NO_SYSCALL_TABLE),1) 32 NO_SYSCALL_TABLE := 1 33 34 ifeq ($(SRCARCH),x86) 35 ifeq (${IS_64_BIT}, 1) 36 NO_SYSCALL_TABLE := 0 37 endif 38 else 39 ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390 mips loongarch)) 40 NO_SYSCALL_TABLE := 0 41 endif 42 endif 43 44 ifneq ($(NO_SYSCALL_TABLE),1) 45 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT 46 endif 47endif 48 49# Additional ARCH settings for ppc 50ifeq ($(SRCARCH),powerpc) 51 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated 52 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64 53endif 54 55# Additional ARCH settings for x86 56ifeq ($(SRCARCH),x86) 57 $(call detected,CONFIG_X86) 58 ifeq (${IS_64_BIT}, 1) 59 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated 60 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S 61 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma 62 $(call detected,CONFIG_X86_64) 63 else 64 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind 65 endif 66endif 67 68ifeq ($(SRCARCH),arm) 69 LIBUNWIND_LIBS = -lunwind -lunwind-arm 70endif 71 72ifeq ($(SRCARCH),arm64) 73 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated 74 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64 75endif 76 77ifeq ($(SRCARCH),loongarch) 78 CFLAGS += -I$(OUTPUT)arch/loongarch/include/generated 79 LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64 80endif 81 82ifeq ($(ARCH),s390) 83 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated 84endif 85 86ifeq ($(ARCH),mips) 87 CFLAGS += -I$(OUTPUT)arch/mips/include/generated 88 LIBUNWIND_LIBS = -lunwind -lunwind-mips 89endif 90 91# So far there's only x86 and arm libdw unwind support merged in perf. 92# Disable it on all other architectures in case libdw unwind 93# support is detected in system. Add supported architectures 94# to the check. 95ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv loongarch)) 96 NO_LIBDW_DWARF_UNWIND := 1 97endif 98 99ifeq ($(LIBUNWIND_LIBS),) 100 NO_LIBUNWIND := 1 101endif 102# 103# For linking with debug library, run like: 104# 105# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/ 106# 107 108libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code)) 109define libunwind_arch_set_flags_code 110 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include 111 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib 112endef 113 114ifdef LIBUNWIND_DIR 115 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include 116 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib 117 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64 loongarch 118 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch))) 119endif 120 121# Set per-feature check compilation flags 122FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS) 123FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 124FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS) 125FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 126 127FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm 128FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64 129FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86 130FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64 131 132FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto 133 134ifdef CSINCLUDES 135 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES) 136endif 137OPENCSDLIBS := -lopencsd_c_api -lopencsd 138ifeq ($(findstring -static,${LDFLAGS}),-static) 139 OPENCSDLIBS += -lstdc++ 140endif 141ifdef CSLIBS 142 LIBOPENCSD_LDFLAGS := -L$(CSLIBS) 143endif 144FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS) 145FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS) 146 147# for linking with debug library, run like: 148# make DEBUG=1 LIBDW_DIR=/opt/libdw/ 149ifdef LIBDW_DIR 150 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include 151 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib 152endif 153DWARFLIBS := -ldw 154ifeq ($(findstring -static,${LDFLAGS}),-static) 155 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2 156endif 157FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS) 158FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS) 159 160# for linking with debug library, run like: 161# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/ 162ifdef LIBBABELTRACE_DIR 163 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include 164 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib 165endif 166FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS) 167FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf 168 169# for linking with debug library, run like: 170# make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/ 171ifdef LIBCAPSTONE_DIR 172 LIBCAPSTONE_CFLAGS := -I$(LIBCAPSTONE_DIR)/include 173 LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/ 174endif 175FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPSTONE_CFLAGS) 176FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPSTONE_LDFLAGS) -lcapstone 177 178ifdef LIBZSTD_DIR 179 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib 180 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib 181endif 182FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS) 183FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS) 184 185# for linking with debug library, run like: 186# make DEBUG=1 LIBTRACEEVENT_DIR=/opt/libtraceevent/ 187TRACEEVENTLIBS := -ltraceevent 188ifdef LIBTRACEEVENT_DIR 189 LIBTRACEEVENT_CFLAGS := -I$(LIBTRACEEVENT_DIR)/include 190 LIBTRACEEVENT_LDFLAGS := -L$(LIBTRACEEVENT_DIR)/lib 191endif 192FEATURE_CHECK_CFLAGS-libtraceevent := $(LIBTRACEEVENT_CFLAGS) 193FEATURE_CHECK_LDFLAGS-libtraceevent := $(LIBTRACEEVENT_LDFLAGS) $(TRACEEVENTLIBS) 194 195FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi 196# include ARCH specific config 197-include $(src-perf)/arch/$(SRCARCH)/Makefile 198 199ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 200 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 201endif 202 203include $(srctree)/tools/scripts/utilities.mak 204 205ifeq ($(call get-executable,$(FLEX)),) 206 $(error Error: $(FLEX) is missing on this system, please install it) 207endif 208 209ifeq ($(call get-executable,$(BISON)),) 210 $(error Error: $(BISON) is missing on this system, please install it) 211endif 212 213ifneq ($(NO_LIBTRACEEVENT),1) 214 ifeq ($(call get-executable,$(PKG_CONFIG)),) 215 dummy := $(error Error: $(PKG_CONFIG) needed by libtraceevent is missing on this system, please install it) 216 endif 217endif 218 219ifneq ($(OUTPUT),) 220 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1) 221 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)= 222 endif 223endif 224 225# Treat warnings as errors unless directed not to 226ifneq ($(WERROR),0) 227 CORE_CFLAGS += -Werror 228 CXXFLAGS += -Werror 229 HOSTCFLAGS += -Werror 230endif 231 232ifndef DEBUG 233 DEBUG := 0 234endif 235 236ifeq ($(DEBUG),0) 237CORE_CFLAGS += -DNDEBUG=1 238ifeq ($(CC_NO_CLANG), 0) 239 CORE_CFLAGS += -O3 240else 241 CORE_CFLAGS += -O6 242endif 243else 244 CORE_CFLAGS += -g 245 CXXFLAGS += -g 246endif 247 248ifdef PARSER_DEBUG 249 PARSER_DEBUG_BISON := -t 250 PARSER_DEBUG_FLEX := -d 251 CFLAGS += -DPARSER_DEBUG 252 $(call detected_var,PARSER_DEBUG_BISON) 253 $(call detected_var,PARSER_DEBUG_FLEX) 254endif 255 256ifdef LTO 257 CORE_CFLAGS += -flto 258 CXXFLAGS += -flto 259endif 260 261# Try different combinations to accommodate systems that only have 262# python[2][3]-config in weird combinations in the following order of 263# priority from lowest to highest: 264# * python2-config as per pep-0394. 265# * python-config 266# * python3-config 267# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't) 268# 269PYTHON_AUTO := python-config 270PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO)) 271PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO)) 272PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO)) 273 274# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user 275# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist. 276ifdef PYTHON 277 ifndef PYTHON_CONFIG 278 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config) 279 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\ 280 $(call $(error $(PYTHON)-config not found))) 281 endif 282endif 283 284# Select either auto detected python and python-config or use user supplied values if they are 285# defined. get-executable-or-default fails with an error if the first argument is supplied but 286# doesn't exist. 287override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO)) 288override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG))) 289 290grep-libs = $(filter -l%,$(1)) 291strip-libs = $(filter-out -l%,$(1)) 292 293PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG)) 294 295# Python 3.8 changed the output of `python-config --ldflags` to not include the 296# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for 297# libpython fails if that flag is not included in LDFLAGS 298ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0) 299 PYTHON_CONFIG_LDFLAGS := --ldflags --embed 300else 301 PYTHON_CONFIG_LDFLAGS := --ldflags 302endif 303 304ifdef PYTHON_CONFIG 305 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null) 306 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS)) 307 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil 308 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null) 309 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS) 310 ifeq ($(CC_NO_CLANG), 0) 311 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS)) 312 endif 313endif 314 315FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS) 316FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS) 317 318FEATURE_CHECK_LDFLAGS-libaio = -lrt 319 320FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl 321FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl 322 323CORE_CFLAGS += -fno-omit-frame-pointer 324CORE_CFLAGS += -Wall 325CORE_CFLAGS += -Wextra 326CORE_CFLAGS += -std=gnu11 327 328CXXFLAGS += -std=gnu++17 -fno-exceptions -fno-rtti 329CXXFLAGS += -Wall 330CXXFLAGS += -Wextra 331CXXFLAGS += -fno-omit-frame-pointer 332 333HOSTCFLAGS += -Wall 334HOSTCFLAGS += -Wextra 335 336# Enforce a non-executable stack, as we may regress (again) in the future by 337# adding assembler files missing the .GNU-stack linker note. 338LDFLAGS += -Wl,-z,noexecstack 339 340EXTLIBS = -lpthread -lrt -lm -ldl 341 342ifneq ($(TCMALLOC),) 343 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free 344 EXTLIBS += -ltcmalloc 345endif 346 347ifeq ($(FEATURES_DUMP),) 348# We will display at the end of this Makefile.config, using $(call feature_display_entries) 349# As we may retry some feature detection here, see the disassembler-four-args case, for instance 350 FEATURE_DISPLAY_DEFERRED := 1 351include $(srctree)/tools/build/Makefile.feature 352else 353include $(FEATURES_DUMP) 354endif 355 356ifeq ($(feature-stackprotector-all), 1) 357 CORE_CFLAGS += -fstack-protector-all 358endif 359 360ifeq ($(DEBUG),0) 361 ifeq ($(feature-fortify-source), 1) 362 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 363 endif 364endif 365 366INC_FLAGS += -I$(src-perf)/util/include 367INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include 368INC_FLAGS += -I$(srctree)/tools/include/ 369INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi 370INC_FLAGS += -I$(srctree)/tools/include/uapi 371INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/ 372INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/ 373 374# $(obj-perf) for generated common-cmds.h 375# $(obj-perf)/util for generated bison/flex headers 376ifneq ($(OUTPUT),) 377INC_FLAGS += -I$(obj-perf)/util 378INC_FLAGS += -I$(obj-perf) 379endif 380 381INC_FLAGS += -I$(src-perf)/util 382INC_FLAGS += -I$(src-perf) 383 384CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE 385 386CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS) 387CXXFLAGS += $(INC_FLAGS) 388 389LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS) 390 391ifeq ($(feature-pthread-attr-setaffinity-np), 1) 392 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP 393endif 394 395ifeq ($(feature-pthread-barrier), 1) 396 CFLAGS += -DHAVE_PTHREAD_BARRIER 397endif 398 399ifndef NO_BIONIC 400 $(call feature_check,bionic) 401 ifeq ($(feature-bionic), 1) 402 BIONIC := 1 403 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE 404 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE 405 EXTLIBS := $(filter-out -lrt,$(EXTLIBS)) 406 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS)) 407 endif 408endif 409 410ifeq ($(feature-eventfd), 1) 411 CFLAGS += -DHAVE_EVENTFD_SUPPORT 412endif 413 414ifeq ($(feature-get_current_dir_name), 1) 415 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME 416endif 417 418ifeq ($(feature-gettid), 1) 419 CFLAGS += -DHAVE_GETTID 420endif 421 422ifeq ($(feature-file-handle), 1) 423 CFLAGS += -DHAVE_FILE_HANDLE 424endif 425 426ifdef NO_LIBELF 427 NO_DWARF := 1 428 NO_LIBUNWIND := 1 429 NO_LIBDW_DWARF_UNWIND := 1 430 NO_LIBBPF := 1 431 NO_JVMTI := 1 432else 433 ifeq ($(feature-libelf), 0) 434 ifeq ($(feature-glibc), 1) 435 LIBC_SUPPORT := 1 436 endif 437 ifeq ($(BIONIC),1) 438 LIBC_SUPPORT := 1 439 endif 440 ifeq ($(LIBC_SUPPORT),1) 441 $(error ERROR: No libelf found. Disables 'probe' tool, jvmti and BPF support. Please install libelf-dev, libelf-devel, elfutils-libelf-devel or build with NO_LIBELF=1.) 442 else 443 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),) 444 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0) 445 $(error No libasan found, please install libasan) 446 endif 447 endif 448 449 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),) 450 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0) 451 $(error No libubsan found, please install libubsan) 452 endif 453 endif 454 455 ifneq ($(filter s% -static%,$(LDFLAGS),),) 456 $(error No static glibc found, please install glibc-static) 457 else 458 $(error No gnu/libc-version.h found, please install glibc-dev[el]) 459 endif 460 endif 461 else 462 ifndef NO_LIBDW_DWARF_UNWIND 463 ifneq ($(feature-libdw-dwarf-unwind),1) 464 NO_LIBDW_DWARF_UNWIND := 1 465 $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR) 466 endif 467 endif 468 ifneq ($(feature-dwarf), 1) 469 ifndef NO_DWARF 470 $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev) 471 NO_DWARF := 1 472 endif 473 else 474 ifneq ($(feature-dwarf_getlocations), 1) 475 $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157) 476 else 477 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT 478 endif # dwarf_getlocations 479 ifneq ($(feature-dwarf_getcfi), 1) 480 $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.142) 481 else 482 CFLAGS += -DHAVE_DWARF_CFI_SUPPORT 483 endif # dwarf_getcfi 484 endif # Dwarf support 485 endif # libelf support 486endif # NO_LIBELF 487 488ifeq ($(feature-libaio), 1) 489 ifndef NO_AIO 490 CFLAGS += -DHAVE_AIO_SUPPORT 491 endif 492endif 493 494ifdef NO_DWARF 495 NO_LIBDW_DWARF_UNWIND := 1 496endif 497 498ifeq ($(feature-scandirat), 1) 499 # Ignore having scandirat with memory sanitizer that lacks an interceptor. 500 ifeq ($(filter s% -fsanitize=memory%,$(EXTRA_CFLAGS),),) 501 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT 502 endif 503endif 504 505ifeq ($(feature-sched_getcpu), 1) 506 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT 507endif 508 509ifeq ($(feature-setns), 1) 510 CFLAGS += -DHAVE_SETNS_SUPPORT 511 $(call detected,CONFIG_SETNS) 512endif 513 514ifdef CORESIGHT 515 $(call feature_check,libopencsd) 516 ifeq ($(feature-libopencsd), 1) 517 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS) 518 ifeq ($(feature-reallocarray), 0) 519 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 520 endif 521 LDFLAGS += $(LIBOPENCSD_LDFLAGS) 522 EXTLIBS += $(OPENCSDLIBS) 523 $(call detected,CONFIG_LIBOPENCSD) 524 ifdef CSTRACE_RAW 525 CFLAGS += -DCS_DEBUG_RAW 526 ifeq (${CSTRACE_RAW}, packed) 527 CFLAGS += -DCS_RAW_PACKED 528 endif 529 endif 530 else 531 $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1) 532 endif 533endif 534 535ifndef NO_ZLIB 536 ifeq ($(feature-zlib), 1) 537 CFLAGS += -DHAVE_ZLIB_SUPPORT 538 EXTLIBS += -lz 539 $(call detected,CONFIG_ZLIB) 540 else 541 NO_ZLIB := 1 542 endif 543endif 544 545ifndef NO_LIBELF 546 CFLAGS += -DHAVE_LIBELF_SUPPORT 547 EXTLIBS += -lelf 548 $(call detected,CONFIG_LIBELF) 549 550 ifeq ($(feature-libelf-getphdrnum), 1) 551 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT 552 endif 553 554 ifeq ($(feature-libelf-gelf_getnote), 1) 555 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT 556 else 557 $(warning gelf_getnote() not found on libelf, SDT support disabled) 558 endif 559 560 ifeq ($(feature-libelf-getshdrstrndx), 1) 561 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT 562 endif 563 564 ifndef NO_LIBDEBUGINFOD 565 $(call feature_check,libdebuginfod) 566 ifeq ($(feature-libdebuginfod), 1) 567 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT 568 EXTLIBS += -ldebuginfod 569 endif 570 endif 571 572 ifndef NO_DWARF 573 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined) 574 $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled) 575 NO_DWARF := 1 576 else 577 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS) 578 LDFLAGS += $(LIBDW_LDFLAGS) 579 EXTLIBS += ${DWARFLIBS} 580 $(call detected,CONFIG_DWARF) 581 endif # PERF_HAVE_DWARF_REGS 582 endif # NO_DWARF 583 584 ifndef NO_LIBBPF 585 ifeq ($(feature-bpf), 1) 586 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status 587 $(call feature_check,libbpf) 588 589 ifdef LIBBPF_DYNAMIC 590 ifeq ($(feature-libbpf), 1) 591 EXTLIBS += -lbpf 592 CFLAGS += -DHAVE_LIBBPF_SUPPORT 593 $(call detected,CONFIG_LIBBPF) 594 $(call detected,CONFIG_LIBBPF_DYNAMIC) 595 else 596 $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel) 597 endif 598 else 599 ifeq ($(NO_ZLIB), 1) 600 $(warning Warning: Statically building libbpf not possible as zlib is missing) 601 NO_LIBBPF := 1 602 else 603 # Libbpf will be built as a static library from tools/lib/bpf. 604 LIBBPF_STATIC := 1 605 $(call detected,CONFIG_LIBBPF) 606 CFLAGS += -DHAVE_LIBBPF_SUPPORT 607 endif 608 endif 609 endif 610 endif # NO_LIBBPF 611endif # NO_LIBELF 612 613ifndef NO_SDT 614 ifneq ($(feature-sdt), 1) 615 $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev) 616 NO_SDT := 1; 617 else 618 CFLAGS += -DHAVE_SDT_EVENT 619 $(call detected,CONFIG_SDT_EVENT) 620 endif 621endif 622 623ifdef PERF_HAVE_JITDUMP 624 ifndef NO_LIBELF 625 $(call detected,CONFIG_JITDUMP) 626 CFLAGS += -DHAVE_JITDUMP 627 endif 628endif 629 630ifeq ($(SRCARCH),powerpc) 631 ifndef NO_DWARF 632 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX 633 endif 634endif 635 636ifndef NO_LIBUNWIND 637 have_libunwind := 638 639 $(call feature_check,libunwind-x86) 640 ifeq ($(feature-libunwind-x86), 1) 641 $(call detected,CONFIG_LIBUNWIND_X86) 642 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT 643 LDFLAGS += -lunwind-x86 644 EXTLIBS_LIBUNWIND += -lunwind-x86 645 have_libunwind = 1 646 endif 647 648 $(call feature_check,libunwind-aarch64) 649 ifeq ($(feature-libunwind-aarch64), 1) 650 $(call detected,CONFIG_LIBUNWIND_AARCH64) 651 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT 652 LDFLAGS += -lunwind-aarch64 653 EXTLIBS_LIBUNWIND += -lunwind-aarch64 654 have_libunwind = 1 655 $(call feature_check,libunwind-debug-frame-aarch64) 656 ifneq ($(feature-libunwind-debug-frame-aarch64), 1) 657 $(warning No debug_frame support found in libunwind-aarch64) 658 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64 659 endif 660 endif 661 662 ifneq ($(feature-libunwind), 1) 663 $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR) 664 NO_LOCAL_LIBUNWIND := 1 665 else 666 have_libunwind := 1 667 $(call detected,CONFIG_LOCAL_LIBUNWIND) 668 endif 669 670 ifneq ($(have_libunwind), 1) 671 NO_LIBUNWIND := 1 672 endif 673else 674 NO_LOCAL_LIBUNWIND := 1 675endif 676 677ifndef NO_LIBBPF 678 ifneq ($(feature-bpf), 1) 679 $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) 680 NO_LIBBPF := 1 681 endif 682endif 683 684ifndef BUILD_BPF_SKEL 685 # BPF skeletons control a large number of perf features, by default 686 # they are enabled. 687 BUILD_BPF_SKEL := 1 688endif 689 690ifeq ($(BUILD_BPF_SKEL),1) 691 ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),) 692 $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool) 693 BUILD_BPF_SKEL := 0 694 else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),) 695 $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool) 696 BUILD_BPF_SKEL := 0 697 else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) 698 $(warning Warning: Disabled BPF skeletons as libbpf is required) 699 BUILD_BPF_SKEL := 0 700 else ifeq ($(call get-executable,$(CLANG)),) 701 $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing) 702 BUILD_BPF_SKEL := 0 703 else 704 CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g') 705 ifeq ($(call version-lt3,$(CLANG_VERSION),12.0.1),1) 706 $(warning Warning: Disabled BPF skeletons as reliable BTF generation needs at least $(CLANG) version 12.0.1) 707 BUILD_BPF_SKEL := 0 708 endif 709 endif 710 ifeq ($(BUILD_BPF_SKEL),1) 711 $(call feature_check,clang-bpf-co-re) 712 ifeq ($(feature-clang-bpf-co-re), 0) 713 $(warning Warning: Disabled BPF skeletons as clang is too old) 714 BUILD_BPF_SKEL := 0 715 endif 716 endif 717 ifeq ($(BUILD_BPF_SKEL),1) 718 $(call detected,CONFIG_PERF_BPF_SKEL) 719 CFLAGS += -DHAVE_BPF_SKEL 720 endif 721endif 722 723ifndef GEN_VMLINUX_H 724 VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h 725endif 726 727dwarf-post-unwind := 1 728dwarf-post-unwind-text := BUG 729 730# setup DWARF post unwinder 731ifdef NO_LIBUNWIND 732 ifdef NO_LIBDW_DWARF_UNWIND 733 $(warning Disabling post unwind, no support found.) 734 dwarf-post-unwind := 0 735 else 736 dwarf-post-unwind-text := libdw 737 $(call detected,CONFIG_LIBDW_DWARF_UNWIND) 738 endif 739else 740 dwarf-post-unwind-text := libunwind 741 $(call detected,CONFIG_LIBUNWIND) 742 # Enable libunwind support by default. 743 ifndef NO_LIBDW_DWARF_UNWIND 744 NO_LIBDW_DWARF_UNWIND := 1 745 endif 746endif 747 748ifeq ($(dwarf-post-unwind),1) 749 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT 750 $(call detected,CONFIG_DWARF_UNWIND) 751else 752 NO_DWARF_UNWIND := 1 753endif 754 755ifndef NO_LOCAL_LIBUNWIND 756 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64)) 757 $(call feature_check,libunwind-debug-frame) 758 ifneq ($(feature-libunwind-debug-frame), 1) 759 $(warning No debug_frame support found in libunwind) 760 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 761 endif 762 else 763 # non-ARM has no dwarf_find_debug_frame() function: 764 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 765 endif 766 EXTLIBS += $(LIBUNWIND_LIBS) 767 LDFLAGS += $(LIBUNWIND_LIBS) 768endif 769ifeq ($(findstring -static,${LDFLAGS}),-static) 770 # gcc -static links libgcc_eh which contans piece of libunwind 771 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition 772endif 773 774ifndef NO_LIBUNWIND 775 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT 776 CFLAGS += $(LIBUNWIND_CFLAGS) 777 LDFLAGS += $(LIBUNWIND_LDFLAGS) 778 EXTLIBS += $(EXTLIBS_LIBUNWIND) 779endif 780 781ifneq ($(NO_LIBTRACEEVENT),1) 782 ifeq ($(NO_SYSCALL_TABLE),0) 783 $(call detected,CONFIG_TRACE) 784 else 785 ifndef NO_LIBAUDIT 786 $(call feature_check,libaudit) 787 ifneq ($(feature-libaudit), 1) 788 $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev) 789 NO_LIBAUDIT := 1 790 else 791 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT 792 EXTLIBS += -laudit 793 $(call detected,CONFIG_TRACE) 794 endif 795 endif 796 endif 797endif 798 799ifndef NO_LIBCRYPTO 800 ifneq ($(feature-libcrypto), 1) 801 $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev) 802 NO_LIBCRYPTO := 1 803 else 804 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT 805 EXTLIBS += -lcrypto 806 $(call detected,CONFIG_CRYPTO) 807 endif 808endif 809 810ifndef NO_SLANG 811 ifneq ($(feature-libslang), 1) 812 ifneq ($(feature-libslang-include-subdir), 1) 813 $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev) 814 NO_SLANG := 1 815 else 816 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR 817 endif 818 endif 819 ifndef NO_SLANG 820 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h 821 CFLAGS += -DHAVE_SLANG_SUPPORT 822 EXTLIBS += -lslang 823 $(call detected,CONFIG_SLANG) 824 endif 825endif 826 827ifdef GTK2 828 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) 829 $(call feature_check,gtk2) 830 ifneq ($(feature-gtk2), 1) 831 $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev) 832 NO_GTK2 := 1 833 else 834 $(call feature_check,gtk2-infobar) 835 ifeq ($(feature-gtk2-infobar), 1) 836 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT 837 endif 838 CFLAGS += -DHAVE_GTK2_SUPPORT 839 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) 840 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) 841 EXTLIBS += -ldl 842 endif 843endif 844 845ifdef NO_LIBPERL 846 CFLAGS += -DNO_LIBPERL 847else 848 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) 849 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) 850 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) 851 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) 852 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) 853 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) 854 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 855 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) 856 857 ifneq ($(feature-libperl), 1) 858 CFLAGS += -DNO_LIBPERL 859 NO_LIBPERL := 1 860 $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev) 861 else 862 LDFLAGS += $(PERL_EMBED_LDFLAGS) 863 EXTLIBS += $(PERL_EMBED_LIBADD) 864 CFLAGS += -DHAVE_LIBPERL_SUPPORT 865 ifeq ($(CC_NO_CLANG), 0) 866 CFLAGS += -Wno-compound-token-split-by-macro 867 endif 868 $(call detected,CONFIG_LIBPERL) 869 endif 870endif 871 872ifeq ($(feature-timerfd), 1) 873 CFLAGS += -DHAVE_TIMERFD_SUPPORT 874else 875 $(warning No timerfd support. Disables 'perf kvm stat live') 876endif 877 878disable-python = $(eval $(disable-python_code)) 879define disable-python_code 880 CFLAGS += -DNO_LIBPYTHON 881 $(warning $1) 882 NO_LIBPYTHON := 1 883endef 884 885PYTHON_EXTENSION_SUFFIX := '.so' 886ifdef NO_LIBPYTHON 887 $(call disable-python,Python support disabled by user) 888else 889 890 ifndef PYTHON 891 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev) 892 else 893 PYTHON_WORD := $(call shell-wordify,$(PYTHON)) 894 895 ifndef PYTHON_CONFIG 896 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) 897 else 898 899 ifneq ($(feature-libpython), 1) 900 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev) 901 else 902 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 903 EXTLIBS += $(PYTHON_EMBED_LIBADD) 904 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no") 905 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes) 906 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])') 907 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX) 908 else 909 $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent) 910 endif 911 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT 912 $(call detected,CONFIG_LIBPYTHON) 913 endif 914 endif 915 endif 916endif 917 918ifneq ($(NO_JEVENTS),1) 919 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),) 920 NO_JEVENTS := 1 921 endif 922endif 923ifneq ($(NO_JEVENTS),1) 924 NO_JEVENTS := 0 925 ifndef PYTHON 926 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.) 927 else 928 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016. 929 JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null) 930 ifneq ($(JEVENTS_PYTHON_GOOD), 1) 931 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.) 932 endif 933 endif 934endif 935 936ifdef BUILD_NONDISTRO 937 ifeq ($(feature-libbfd), 1) 938 EXTLIBS += -lbfd -lopcodes 939 else 940 # we are on a system that requires -liberty and (maybe) -lz 941 # to link against -lbfd; test each case individually here 942 943 # call all detections now so we get correct 944 # status in VF output 945 $(call feature_check,libbfd-liberty) 946 $(call feature_check,libbfd-liberty-z) 947 948 ifeq ($(feature-libbfd-liberty), 1) 949 EXTLIBS += -lbfd -lopcodes -liberty 950 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl 951 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl 952 else 953 ifeq ($(feature-libbfd-liberty-z), 1) 954 EXTLIBS += -lbfd -lopcodes -liberty -lz 955 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl 956 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl 957 endif 958 endif 959 $(call feature_check,disassembler-four-args) 960 $(call feature_check,disassembler-init-styled) 961 endif 962 963 CFLAGS += -DHAVE_LIBBFD_SUPPORT 964 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT 965 ifeq ($(feature-libbfd-buildid), 1) 966 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT 967 else 968 $(warning Old version of libbfd/binutils things like PE executable profiling will not be available) 969 endif 970endif 971 972ifndef NO_DEMANGLE 973 $(call feature_check,cxa-demangle) 974 ifeq ($(feature-cxa-demangle), 1) 975 EXTLIBS += -lstdc++ 976 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 977 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 978 $(call detected,CONFIG_CXX_DEMANGLE) 979 endif 980 ifdef BUILD_NONDISTRO 981 ifeq ($(filter -liberty,$(EXTLIBS)),) 982 $(call feature_check,cplus-demangle) 983 ifeq ($(feature-cplus-demangle), 1) 984 EXTLIBS += -liberty 985 endif 986 endif 987 ifneq ($(filter -liberty,$(EXTLIBS)),) 988 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 989 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 990 endif 991 endif 992endif 993 994ifndef NO_LZMA 995 ifeq ($(feature-lzma), 1) 996 CFLAGS += -DHAVE_LZMA_SUPPORT 997 EXTLIBS += -llzma 998 $(call detected,CONFIG_LZMA) 999 else 1000 $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev) 1001 NO_LZMA := 1 1002 endif 1003endif 1004 1005ifndef NO_LIBZSTD 1006 ifeq ($(feature-libzstd), 1) 1007 CFLAGS += -DHAVE_ZSTD_SUPPORT 1008 CFLAGS += $(LIBZSTD_CFLAGS) 1009 LDFLAGS += $(LIBZSTD_LDFLAGS) 1010 EXTLIBS += -lzstd 1011 $(call detected,CONFIG_ZSTD) 1012 else 1013 $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR) 1014 NO_LIBZSTD := 1 1015 endif 1016endif 1017 1018ifndef NO_LIBCAP 1019 ifeq ($(feature-libcap), 1) 1020 CFLAGS += -DHAVE_LIBCAP_SUPPORT 1021 EXTLIBS += -lcap 1022 $(call detected,CONFIG_LIBCAP) 1023 else 1024 $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev) 1025 NO_LIBCAP := 1 1026 endif 1027endif 1028 1029ifndef NO_BACKTRACE 1030 ifeq ($(feature-backtrace), 1) 1031 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 1032 endif 1033endif 1034 1035ifndef NO_LIBNUMA 1036 ifeq ($(feature-libnuma), 0) 1037 $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev) 1038 NO_LIBNUMA := 1 1039 else 1040 ifeq ($(feature-numa_num_possible_cpus), 0) 1041 $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8) 1042 NO_LIBNUMA := 1 1043 else 1044 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 1045 EXTLIBS += -lnuma 1046 $(call detected,CONFIG_NUMA) 1047 endif 1048 endif 1049endif 1050 1051ifdef HAVE_KVM_STAT_SUPPORT 1052 CFLAGS += -DHAVE_KVM_STAT_SUPPORT 1053endif 1054 1055ifeq ($(feature-disassembler-four-args), 1) 1056 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 1057endif 1058 1059ifeq ($(feature-disassembler-init-styled), 1) 1060 CFLAGS += -DDISASM_INIT_STYLED 1061endif 1062 1063ifeq (${IS_64_BIT}, 1) 1064 ifndef NO_PERF_READ_VDSO32 1065 $(call feature_check,compile-32) 1066 ifeq ($(feature-compile-32), 1) 1067 CFLAGS += -DHAVE_PERF_READ_VDSO32 1068 else 1069 NO_PERF_READ_VDSO32 := 1 1070 endif 1071 endif 1072 ifneq ($(SRCARCH), x86) 1073 NO_PERF_READ_VDSOX32 := 1 1074 endif 1075 ifndef NO_PERF_READ_VDSOX32 1076 $(call feature_check,compile-x32) 1077 ifeq ($(feature-compile-x32), 1) 1078 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1079 else 1080 NO_PERF_READ_VDSOX32 := 1 1081 endif 1082 endif 1083else 1084 NO_PERF_READ_VDSO32 := 1 1085 NO_PERF_READ_VDSOX32 := 1 1086endif 1087 1088ifndef NO_LIBBABELTRACE 1089 $(call feature_check,libbabeltrace) 1090 ifeq ($(feature-libbabeltrace), 1) 1091 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS) 1092 LDFLAGS += $(LIBBABELTRACE_LDFLAGS) 1093 EXTLIBS += -lbabeltrace-ctf 1094 $(call detected,CONFIG_LIBBABELTRACE) 1095 else 1096 $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev) 1097 endif 1098endif 1099 1100ifndef NO_CAPSTONE 1101 $(call feature_check,libcapstone) 1102 ifeq ($(feature-libcapstone), 1) 1103 CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LIBCAPSTONE_CFLAGS) 1104 LDFLAGS += $(LICAPSTONE_LDFLAGS) 1105 EXTLIBS += -lcapstone 1106 $(call detected,CONFIG_LIBCAPSTONE) 1107 else 1108 msg := $(warning No libcapstone found, disables disasm engine support for 'perf script', please install libcapstone-dev/capstone-devel); 1109 endif 1110endif 1111 1112ifndef NO_AUXTRACE 1113 ifeq ($(SRCARCH),x86) 1114 ifeq ($(feature-get_cpuid), 0) 1115 $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc) 1116 NO_AUXTRACE := 1 1117 endif 1118 endif 1119 ifndef NO_AUXTRACE 1120 $(call detected,CONFIG_AUXTRACE) 1121 CFLAGS += -DHAVE_AUXTRACE_SUPPORT 1122 ifeq ($(feature-reallocarray), 0) 1123 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 1124 endif 1125 endif 1126endif 1127 1128ifdef EXTRA_TESTS 1129 $(call detected,CONFIG_EXTRA_TESTS) 1130 CFLAGS += -DHAVE_EXTRA_TESTS 1131endif 1132 1133ifndef NO_JVMTI 1134 ifneq (,$(wildcard /usr/sbin/update-java-alternatives)) 1135 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}') 1136 else 1137 ifneq (,$(wildcard /usr/sbin/alternatives)) 1138 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g') 1139 endif 1140 endif 1141 ifndef JDIR 1142 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory) 1143 NO_JVMTI := 1 1144 endif 1145endif 1146 1147ifndef NO_JVMTI 1148 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux 1149 $(call feature_check,jvmti) 1150 ifeq ($(feature-jvmti), 1) 1151 $(call detected_var,JDIR) 1152 ifndef NO_JVMTI_CMLR 1153 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti) 1154 $(call feature_check,jvmti-cmlr) 1155 ifeq ($(feature-jvmti-cmlr), 1) 1156 CFLAGS += -DHAVE_JVMTI_CMLR 1157 endif 1158 endif # NO_JVMTI_CMLR 1159 else 1160 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel) 1161 NO_JVMTI := 1 1162 endif 1163endif 1164 1165ifndef NO_LIBPFM4 1166 $(call feature_check,libpfm4) 1167 ifeq ($(feature-libpfm4), 1) 1168 CFLAGS += -DHAVE_LIBPFM 1169 EXTLIBS += -lpfm 1170 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 1171 $(call detected,CONFIG_LIBPFM4) 1172 else 1173 $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev) 1174 endif 1175endif 1176 1177# libtraceevent is a recommended dependency picked up from the system. 1178ifneq ($(NO_LIBTRACEEVENT),1) 1179 $(call feature_check,libtraceevent) 1180 ifeq ($(feature-libtraceevent), 1) 1181 CFLAGS += -DHAVE_LIBTRACEEVENT $(LIBTRACEEVENT_CFLAGS) 1182 LDFLAGS += $(LIBTRACEEVENT_LDFLAGS) 1183 EXTLIBS += ${TRACEEVENTLIBS} 1184 LIBTRACEEVENT_VERSION := $(shell PKG_CONFIG_PATH=$(LIBTRACEEVENT_DIR) $(PKG_CONFIG) --modversion libtraceevent) 1185 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1186 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1187 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1188 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3)) 1189 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP) 1190 $(call detected,CONFIG_LIBTRACEEVENT) 1191 else 1192 $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel and/or set LIBTRACEEVENT_DIR or build with NO_LIBTRACEEVENT=1) 1193 endif 1194 1195 $(call feature_check,libtracefs) 1196 ifeq ($(feature-libtracefs), 1) 1197 EXTLIBS += -ltracefs 1198 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs) 1199 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION))) 1200 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION))) 1201 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION))) 1202 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3)) 1203 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP) 1204 endif 1205endif 1206 1207# Among the variables below, these: 1208# perfexecdir 1209# libbpf_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 1232# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance 1233libbpf_include_dir = /usr/include 1234perf_examples_dir = lib/perf/examples 1235sharedir = $(prefix)/share 1236template_dir = share/perf-core/templates 1237STRACE_GROUPS_DIR = share/perf-core/strace/groups 1238htmldir = share/doc/perf-doc 1239tipdir = share/doc/perf-tip 1240srcdir = $(srctree)/tools/perf 1241ifeq ($(prefix),/usr) 1242sysconfdir = /etc 1243ETC_PERFCONFIG = $(sysconfdir)/perfconfig 1244else 1245sysconfdir = $(prefix)/etc 1246ETC_PERFCONFIG = etc/perfconfig 1247endif 1248ifndef lib 1249ifeq ($(SRCARCH)$(IS_64_BIT), x861) 1250lib = lib64 1251else 1252lib = lib 1253endif 1254endif # lib 1255libdir = $(prefix)/$(lib) 1256 1257# Shell quote (do not use $(call) to accommodate ancient setups); 1258ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) 1259STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR)) 1260DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) 1261bindir_SQ = $(subst ','\'',$(bindir)) 1262includedir_SQ = $(subst ','\'',$(includedir)) 1263mandir_SQ = $(subst ','\'',$(mandir)) 1264infodir_SQ = $(subst ','\'',$(infodir)) 1265perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) 1266libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir)) 1267perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir)) 1268template_dir_SQ = $(subst ','\'',$(template_dir)) 1269htmldir_SQ = $(subst ','\'',$(htmldir)) 1270tipdir_SQ = $(subst ','\'',$(tipdir)) 1271prefix_SQ = $(subst ','\'',$(prefix)) 1272sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) 1273libdir_SQ = $(subst ','\'',$(libdir)) 1274srcdir_SQ = $(subst ','\'',$(srcdir)) 1275 1276ifneq ($(filter /%,$(firstword $(perfexecdir))),) 1277perfexec_instdir = $(perfexecdir) 1278perf_include_instdir = $(libbpf_include_dir) 1279perf_examples_instdir = $(perf_examples_dir) 1280STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) 1281tip_instdir = $(tipdir) 1282else 1283perfexec_instdir = $(prefix)/$(perfexecdir) 1284perf_include_instdir = $(prefix)/$(libbpf_include_dir) 1285perf_examples_instdir = $(prefix)/$(perf_examples_dir) 1286STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) 1287tip_instdir = $(prefix)/$(tipdir) 1288endif 1289perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) 1290perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir)) 1291perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir)) 1292STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) 1293tip_instdir_SQ = $(subst ','\'',$(tip_instdir)) 1294 1295export perfexec_instdir_SQ 1296 1297print_var = $(eval $(print_var_code)) $(info $(MSG)) 1298define print_var_code 1299 MSG = $(shell printf '...%40s: %s' $(1) $($(1))) 1300endef 1301 1302ifeq ($(feature_display),1) 1303 $(call feature_display_entries) 1304endif 1305 1306ifeq ($(VF),1) 1307 # Display EXTRA features which are detected manualy 1308 # from here with feature_check call and thus cannot 1309 # be partof global state output. 1310 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG))) 1311 $(call print_var,prefix) 1312 $(call print_var,bindir) 1313 $(call print_var,libdir) 1314 $(call print_var,sysconfdir) 1315 $(call print_var,LIBUNWIND_DIR) 1316 $(call print_var,LIBDW_DIR) 1317 $(call print_var,JDIR) 1318 $(call print_var,LIBTRACEEVENT_DIR) 1319 1320 ifeq ($(dwarf-post-unwind),1) 1321 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG)) 1322 endif 1323endif 1324 1325$(info ) 1326 1327$(call detected_var,bindir_SQ) 1328$(call detected_var,PYTHON_WORD) 1329ifneq ($(OUTPUT),) 1330$(call detected_var,OUTPUT) 1331endif 1332$(call detected_var,htmldir_SQ) 1333$(call detected_var,infodir_SQ) 1334$(call detected_var,mandir_SQ) 1335$(call detected_var,ETC_PERFCONFIG_SQ) 1336$(call detected_var,STRACE_GROUPS_DIR_SQ) 1337$(call detected_var,prefix_SQ) 1338$(call detected_var,perfexecdir_SQ) 1339$(call detected_var,libbpf_include_dir_SQ) 1340$(call detected_var,perf_examples_dir_SQ) 1341$(call detected_var,tipdir_SQ) 1342$(call detected_var,srcdir_SQ) 1343$(call detected_var,LIBDIR) 1344$(call detected_var,GTK_CFLAGS) 1345$(call detected_var,PERL_EMBED_CCOPTS) 1346$(call detected_var,PYTHON_EMBED_CCOPTS) 1347ifneq ($(BISON_FILE_PREFIX_MAP),) 1348$(call detected_var,BISON_FILE_PREFIX_MAP) 1349endif 1350 1351# re-generate FEATURE-DUMP as we may have called feature_check, found out 1352# extra libraries to add to LDFLAGS of some other test and then redo those 1353# tests, see the block about libbfd, disassembler-four-args, for instance. 1354$(shell rm -f $(FEATURE_DUMP_FILENAME)) 1355$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) 1356