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 ($(feature-scandirat), 1) 499 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT 500endif 501 502ifeq ($(feature-sched_getcpu), 1) 503 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT 504endif 505 506ifeq ($(feature-setns), 1) 507 CFLAGS += -DHAVE_SETNS_SUPPORT 508 $(call detected,CONFIG_SETNS) 509endif 510 511ifdef CORESIGHT 512 $(call feature_check,libopencsd) 513 ifeq ($(feature-libopencsd), 1) 514 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS) 515 ifeq ($(feature-reallocarray), 0) 516 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 517 endif 518 LDFLAGS += $(LIBOPENCSD_LDFLAGS) 519 EXTLIBS += $(OPENCSDLIBS) 520 $(call detected,CONFIG_LIBOPENCSD) 521 ifdef CSTRACE_RAW 522 CFLAGS += -DCS_DEBUG_RAW 523 ifeq (${CSTRACE_RAW}, packed) 524 CFLAGS += -DCS_RAW_PACKED 525 endif 526 endif 527 else 528 $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1) 529 endif 530endif 531 532ifndef NO_ZLIB 533 ifeq ($(feature-zlib), 1) 534 CFLAGS += -DHAVE_ZLIB_SUPPORT 535 EXTLIBS += -lz 536 $(call detected,CONFIG_ZLIB) 537 else 538 NO_ZLIB := 1 539 endif 540endif 541 542ifndef NO_LIBELF 543 CFLAGS += -DHAVE_LIBELF_SUPPORT 544 EXTLIBS += -lelf 545 $(call detected,CONFIG_LIBELF) 546 547 ifeq ($(feature-libelf-getphdrnum), 1) 548 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT 549 endif 550 551 ifeq ($(feature-libelf-gelf_getnote), 1) 552 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT 553 else 554 $(warning gelf_getnote() not found on libelf, SDT support disabled) 555 endif 556 557 ifeq ($(feature-libelf-getshdrstrndx), 1) 558 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT 559 endif 560 561 ifndef NO_LIBDEBUGINFOD 562 $(call feature_check,libdebuginfod) 563 ifeq ($(feature-libdebuginfod), 1) 564 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT 565 EXTLIBS += -ldebuginfod 566 endif 567 endif 568 569 ifndef NO_DWARF 570 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined) 571 $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled) 572 NO_DWARF := 1 573 else 574 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS) 575 LDFLAGS += $(LIBDW_LDFLAGS) 576 EXTLIBS += ${DWARFLIBS} 577 $(call detected,CONFIG_DWARF) 578 endif # PERF_HAVE_DWARF_REGS 579 endif # NO_DWARF 580 581 ifndef NO_LIBBPF 582 ifeq ($(feature-bpf), 1) 583 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status 584 $(call feature_check,libbpf) 585 586 ifdef LIBBPF_DYNAMIC 587 ifeq ($(feature-libbpf), 1) 588 EXTLIBS += -lbpf 589 CFLAGS += -DHAVE_LIBBPF_SUPPORT 590 $(call detected,CONFIG_LIBBPF) 591 $(call detected,CONFIG_LIBBPF_DYNAMIC) 592 else 593 $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel) 594 endif 595 else 596 ifeq ($(NO_ZLIB), 1) 597 $(warning Warning: Statically building libbpf not possible as zlib is missing) 598 NO_LIBBPF := 1 599 else 600 # Libbpf will be built as a static library from tools/lib/bpf. 601 LIBBPF_STATIC := 1 602 $(call detected,CONFIG_LIBBPF) 603 CFLAGS += -DHAVE_LIBBPF_SUPPORT 604 endif 605 endif 606 endif 607 endif # NO_LIBBPF 608endif # NO_LIBELF 609 610ifndef NO_SDT 611 ifneq ($(feature-sdt), 1) 612 $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev) 613 NO_SDT := 1; 614 else 615 CFLAGS += -DHAVE_SDT_EVENT 616 $(call detected,CONFIG_SDT_EVENT) 617 endif 618endif 619 620ifdef PERF_HAVE_JITDUMP 621 ifndef NO_LIBELF 622 $(call detected,CONFIG_JITDUMP) 623 CFLAGS += -DHAVE_JITDUMP 624 endif 625endif 626 627ifeq ($(SRCARCH),powerpc) 628 ifndef NO_DWARF 629 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX 630 endif 631endif 632 633ifndef NO_LIBUNWIND 634 have_libunwind := 635 636 $(call feature_check,libunwind-x86) 637 ifeq ($(feature-libunwind-x86), 1) 638 $(call detected,CONFIG_LIBUNWIND_X86) 639 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT 640 LDFLAGS += -lunwind-x86 641 EXTLIBS_LIBUNWIND += -lunwind-x86 642 have_libunwind = 1 643 endif 644 645 $(call feature_check,libunwind-aarch64) 646 ifeq ($(feature-libunwind-aarch64), 1) 647 $(call detected,CONFIG_LIBUNWIND_AARCH64) 648 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT 649 LDFLAGS += -lunwind-aarch64 650 EXTLIBS_LIBUNWIND += -lunwind-aarch64 651 have_libunwind = 1 652 $(call feature_check,libunwind-debug-frame-aarch64) 653 ifneq ($(feature-libunwind-debug-frame-aarch64), 1) 654 $(warning No debug_frame support found in libunwind-aarch64) 655 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64 656 endif 657 endif 658 659 ifneq ($(feature-libunwind), 1) 660 $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR) 661 NO_LOCAL_LIBUNWIND := 1 662 else 663 have_libunwind := 1 664 $(call detected,CONFIG_LOCAL_LIBUNWIND) 665 endif 666 667 ifneq ($(have_libunwind), 1) 668 NO_LIBUNWIND := 1 669 endif 670else 671 NO_LOCAL_LIBUNWIND := 1 672endif 673 674ifndef NO_LIBBPF 675 ifneq ($(feature-bpf), 1) 676 $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) 677 NO_LIBBPF := 1 678 endif 679endif 680 681ifndef BUILD_BPF_SKEL 682 # BPF skeletons control a large number of perf features, by default 683 # they are enabled. 684 BUILD_BPF_SKEL := 1 685endif 686 687ifeq ($(BUILD_BPF_SKEL),1) 688 ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),) 689 $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool) 690 BUILD_BPF_SKEL := 0 691 else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),) 692 $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool) 693 BUILD_BPF_SKEL := 0 694 else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) 695 $(warning Warning: Disabled BPF skeletons as libbpf is required) 696 BUILD_BPF_SKEL := 0 697 else ifeq ($(call get-executable,$(CLANG)),) 698 $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing) 699 BUILD_BPF_SKEL := 0 700 else 701 CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g') 702 ifeq ($(call version-lt3,$(CLANG_VERSION),12.0.1),1) 703 $(warning Warning: Disabled BPF skeletons as reliable BTF generation needs at least $(CLANG) version 12.0.1) 704 BUILD_BPF_SKEL := 0 705 endif 706 endif 707 ifeq ($(BUILD_BPF_SKEL),1) 708 $(call feature_check,clang-bpf-co-re) 709 ifeq ($(feature-clang-bpf-co-re), 0) 710 $(warning Warning: Disabled BPF skeletons as clang is too old) 711 BUILD_BPF_SKEL := 0 712 endif 713 endif 714 ifeq ($(BUILD_BPF_SKEL),1) 715 $(call detected,CONFIG_PERF_BPF_SKEL) 716 CFLAGS += -DHAVE_BPF_SKEL 717 endif 718endif 719 720ifndef GEN_VMLINUX_H 721 VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h 722endif 723 724dwarf-post-unwind := 1 725dwarf-post-unwind-text := BUG 726 727# setup DWARF post unwinder 728ifdef NO_LIBUNWIND 729 ifdef NO_LIBDW_DWARF_UNWIND 730 $(warning Disabling post unwind, no support found.) 731 dwarf-post-unwind := 0 732 else 733 dwarf-post-unwind-text := libdw 734 $(call detected,CONFIG_LIBDW_DWARF_UNWIND) 735 endif 736else 737 dwarf-post-unwind-text := libunwind 738 $(call detected,CONFIG_LIBUNWIND) 739 # Enable libunwind support by default. 740 ifndef NO_LIBDW_DWARF_UNWIND 741 NO_LIBDW_DWARF_UNWIND := 1 742 endif 743endif 744 745ifeq ($(dwarf-post-unwind),1) 746 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT 747 $(call detected,CONFIG_DWARF_UNWIND) 748else 749 NO_DWARF_UNWIND := 1 750endif 751 752ifndef NO_LOCAL_LIBUNWIND 753 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64)) 754 $(call feature_check,libunwind-debug-frame) 755 ifneq ($(feature-libunwind-debug-frame), 1) 756 $(warning No debug_frame support found in libunwind) 757 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 758 endif 759 else 760 # non-ARM has no dwarf_find_debug_frame() function: 761 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 762 endif 763 EXTLIBS += $(LIBUNWIND_LIBS) 764 LDFLAGS += $(LIBUNWIND_LIBS) 765endif 766ifeq ($(findstring -static,${LDFLAGS}),-static) 767 # gcc -static links libgcc_eh which contans piece of libunwind 768 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition 769endif 770 771ifndef NO_LIBUNWIND 772 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT 773 CFLAGS += $(LIBUNWIND_CFLAGS) 774 LDFLAGS += $(LIBUNWIND_LDFLAGS) 775 EXTLIBS += $(EXTLIBS_LIBUNWIND) 776endif 777 778ifneq ($(NO_LIBTRACEEVENT),1) 779 ifeq ($(NO_SYSCALL_TABLE),0) 780 $(call detected,CONFIG_TRACE) 781 else 782 ifndef NO_LIBAUDIT 783 $(call feature_check,libaudit) 784 ifneq ($(feature-libaudit), 1) 785 $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev) 786 NO_LIBAUDIT := 1 787 else 788 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT 789 EXTLIBS += -laudit 790 $(call detected,CONFIG_TRACE) 791 endif 792 endif 793 endif 794endif 795 796ifndef NO_LIBCRYPTO 797 ifneq ($(feature-libcrypto), 1) 798 $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev) 799 NO_LIBCRYPTO := 1 800 else 801 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT 802 EXTLIBS += -lcrypto 803 $(call detected,CONFIG_CRYPTO) 804 endif 805endif 806 807ifndef NO_SLANG 808 ifneq ($(feature-libslang), 1) 809 ifneq ($(feature-libslang-include-subdir), 1) 810 $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev) 811 NO_SLANG := 1 812 else 813 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR 814 endif 815 endif 816 ifndef NO_SLANG 817 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h 818 CFLAGS += -DHAVE_SLANG_SUPPORT 819 EXTLIBS += -lslang 820 $(call detected,CONFIG_SLANG) 821 endif 822endif 823 824ifdef GTK2 825 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) 826 $(call feature_check,gtk2) 827 ifneq ($(feature-gtk2), 1) 828 $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev) 829 NO_GTK2 := 1 830 else 831 $(call feature_check,gtk2-infobar) 832 ifeq ($(feature-gtk2-infobar), 1) 833 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT 834 endif 835 CFLAGS += -DHAVE_GTK2_SUPPORT 836 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) 837 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) 838 EXTLIBS += -ldl 839 endif 840endif 841 842ifdef NO_LIBPERL 843 CFLAGS += -DNO_LIBPERL 844else 845 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) 846 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) 847 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) 848 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) 849 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) 850 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) 851 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 852 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) 853 854 ifneq ($(feature-libperl), 1) 855 CFLAGS += -DNO_LIBPERL 856 NO_LIBPERL := 1 857 $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev) 858 else 859 LDFLAGS += $(PERL_EMBED_LDFLAGS) 860 EXTLIBS += $(PERL_EMBED_LIBADD) 861 CFLAGS += -DHAVE_LIBPERL_SUPPORT 862 ifeq ($(CC_NO_CLANG), 0) 863 CFLAGS += -Wno-compound-token-split-by-macro 864 endif 865 $(call detected,CONFIG_LIBPERL) 866 endif 867endif 868 869ifeq ($(feature-timerfd), 1) 870 CFLAGS += -DHAVE_TIMERFD_SUPPORT 871else 872 $(warning No timerfd support. Disables 'perf kvm stat live') 873endif 874 875disable-python = $(eval $(disable-python_code)) 876define disable-python_code 877 CFLAGS += -DNO_LIBPYTHON 878 $(warning $1) 879 NO_LIBPYTHON := 1 880endef 881 882PYTHON_EXTENSION_SUFFIX := '.so' 883ifdef NO_LIBPYTHON 884 $(call disable-python,Python support disabled by user) 885else 886 887 ifndef PYTHON 888 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev) 889 else 890 PYTHON_WORD := $(call shell-wordify,$(PYTHON)) 891 892 ifndef PYTHON_CONFIG 893 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) 894 else 895 896 ifneq ($(feature-libpython), 1) 897 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev) 898 else 899 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 900 EXTLIBS += $(PYTHON_EMBED_LIBADD) 901 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no") 902 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes) 903 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])') 904 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX) 905 else 906 $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent) 907 endif 908 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT 909 $(call detected,CONFIG_LIBPYTHON) 910 endif 911 endif 912 endif 913endif 914 915ifneq ($(NO_JEVENTS),1) 916 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),) 917 NO_JEVENTS := 1 918 endif 919endif 920ifneq ($(NO_JEVENTS),1) 921 NO_JEVENTS := 0 922 ifndef PYTHON 923 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.) 924 else 925 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016. 926 JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null) 927 ifneq ($(JEVENTS_PYTHON_GOOD), 1) 928 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.) 929 endif 930 endif 931endif 932 933ifdef BUILD_NONDISTRO 934 ifeq ($(feature-libbfd), 1) 935 EXTLIBS += -lbfd -lopcodes 936 else 937 # we are on a system that requires -liberty and (maybe) -lz 938 # to link against -lbfd; test each case individually here 939 940 # call all detections now so we get correct 941 # status in VF output 942 $(call feature_check,libbfd-liberty) 943 $(call feature_check,libbfd-liberty-z) 944 945 ifeq ($(feature-libbfd-liberty), 1) 946 EXTLIBS += -lbfd -lopcodes -liberty 947 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl 948 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl 949 else 950 ifeq ($(feature-libbfd-liberty-z), 1) 951 EXTLIBS += -lbfd -lopcodes -liberty -lz 952 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl 953 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl 954 endif 955 endif 956 $(call feature_check,disassembler-four-args) 957 $(call feature_check,disassembler-init-styled) 958 endif 959 960 CFLAGS += -DHAVE_LIBBFD_SUPPORT 961 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT 962 ifeq ($(feature-libbfd-buildid), 1) 963 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT 964 else 965 $(warning Old version of libbfd/binutils things like PE executable profiling will not be available) 966 endif 967endif 968 969ifndef NO_DEMANGLE 970 $(call feature_check,cxa-demangle) 971 ifeq ($(feature-cxa-demangle), 1) 972 EXTLIBS += -lstdc++ 973 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 974 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 975 $(call detected,CONFIG_CXX_DEMANGLE) 976 endif 977 ifdef BUILD_NONDISTRO 978 ifeq ($(filter -liberty,$(EXTLIBS)),) 979 $(call feature_check,cplus-demangle) 980 ifeq ($(feature-cplus-demangle), 1) 981 EXTLIBS += -liberty 982 endif 983 endif 984 ifneq ($(filter -liberty,$(EXTLIBS)),) 985 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 986 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 987 endif 988 endif 989endif 990 991ifndef NO_LZMA 992 ifeq ($(feature-lzma), 1) 993 CFLAGS += -DHAVE_LZMA_SUPPORT 994 EXTLIBS += -llzma 995 $(call detected,CONFIG_LZMA) 996 else 997 $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev) 998 NO_LZMA := 1 999 endif 1000endif 1001 1002ifndef NO_LIBZSTD 1003 ifeq ($(feature-libzstd), 1) 1004 CFLAGS += -DHAVE_ZSTD_SUPPORT 1005 CFLAGS += $(LIBZSTD_CFLAGS) 1006 LDFLAGS += $(LIBZSTD_LDFLAGS) 1007 EXTLIBS += -lzstd 1008 $(call detected,CONFIG_ZSTD) 1009 else 1010 $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR) 1011 NO_LIBZSTD := 1 1012 endif 1013endif 1014 1015ifndef NO_LIBCAP 1016 ifeq ($(feature-libcap), 1) 1017 CFLAGS += -DHAVE_LIBCAP_SUPPORT 1018 EXTLIBS += -lcap 1019 $(call detected,CONFIG_LIBCAP) 1020 else 1021 $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev) 1022 NO_LIBCAP := 1 1023 endif 1024endif 1025 1026ifndef NO_BACKTRACE 1027 ifeq ($(feature-backtrace), 1) 1028 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 1029 endif 1030endif 1031 1032ifndef NO_LIBNUMA 1033 ifeq ($(feature-libnuma), 0) 1034 $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev) 1035 NO_LIBNUMA := 1 1036 else 1037 ifeq ($(feature-numa_num_possible_cpus), 0) 1038 $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8) 1039 NO_LIBNUMA := 1 1040 else 1041 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 1042 EXTLIBS += -lnuma 1043 $(call detected,CONFIG_NUMA) 1044 endif 1045 endif 1046endif 1047 1048ifdef HAVE_KVM_STAT_SUPPORT 1049 CFLAGS += -DHAVE_KVM_STAT_SUPPORT 1050endif 1051 1052ifeq ($(feature-disassembler-four-args), 1) 1053 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 1054endif 1055 1056ifeq ($(feature-disassembler-init-styled), 1) 1057 CFLAGS += -DDISASM_INIT_STYLED 1058endif 1059 1060ifeq (${IS_64_BIT}, 1) 1061 ifndef NO_PERF_READ_VDSO32 1062 $(call feature_check,compile-32) 1063 ifeq ($(feature-compile-32), 1) 1064 CFLAGS += -DHAVE_PERF_READ_VDSO32 1065 else 1066 NO_PERF_READ_VDSO32 := 1 1067 endif 1068 endif 1069 ifneq ($(SRCARCH), x86) 1070 NO_PERF_READ_VDSOX32 := 1 1071 endif 1072 ifndef NO_PERF_READ_VDSOX32 1073 $(call feature_check,compile-x32) 1074 ifeq ($(feature-compile-x32), 1) 1075 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1076 else 1077 NO_PERF_READ_VDSOX32 := 1 1078 endif 1079 endif 1080else 1081 NO_PERF_READ_VDSO32 := 1 1082 NO_PERF_READ_VDSOX32 := 1 1083endif 1084 1085ifndef NO_LIBBABELTRACE 1086 $(call feature_check,libbabeltrace) 1087 ifeq ($(feature-libbabeltrace), 1) 1088 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS) 1089 LDFLAGS += $(LIBBABELTRACE_LDFLAGS) 1090 EXTLIBS += -lbabeltrace-ctf 1091 $(call detected,CONFIG_LIBBABELTRACE) 1092 else 1093 $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev) 1094 endif 1095endif 1096 1097ifndef NO_CAPSTONE 1098 $(call feature_check,libcapstone) 1099 ifeq ($(feature-libcapstone), 1) 1100 CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LIBCAPSTONE_CFLAGS) 1101 LDFLAGS += $(LICAPSTONE_LDFLAGS) 1102 EXTLIBS += -lcapstone 1103 $(call detected,CONFIG_LIBCAPSTONE) 1104 else 1105 msg := $(warning No libcapstone found, disables disasm engine support for 'perf script', please install libcapstone-dev/capstone-devel); 1106 endif 1107endif 1108 1109ifndef NO_AUXTRACE 1110 ifeq ($(SRCARCH),x86) 1111 ifeq ($(feature-get_cpuid), 0) 1112 $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc) 1113 NO_AUXTRACE := 1 1114 endif 1115 endif 1116 ifndef NO_AUXTRACE 1117 $(call detected,CONFIG_AUXTRACE) 1118 CFLAGS += -DHAVE_AUXTRACE_SUPPORT 1119 ifeq ($(feature-reallocarray), 0) 1120 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 1121 endif 1122 endif 1123endif 1124 1125ifdef EXTRA_TESTS 1126 $(call detected,CONFIG_EXTRA_TESTS) 1127 CFLAGS += -DHAVE_EXTRA_TESTS 1128endif 1129 1130ifndef NO_JVMTI 1131 ifneq (,$(wildcard /usr/sbin/update-java-alternatives)) 1132 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}') 1133 else 1134 ifneq (,$(wildcard /usr/sbin/alternatives)) 1135 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g') 1136 endif 1137 endif 1138 ifndef JDIR 1139 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory) 1140 NO_JVMTI := 1 1141 endif 1142endif 1143 1144ifndef NO_JVMTI 1145 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux 1146 $(call feature_check,jvmti) 1147 ifeq ($(feature-jvmti), 1) 1148 $(call detected_var,JDIR) 1149 ifndef NO_JVMTI_CMLR 1150 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti) 1151 $(call feature_check,jvmti-cmlr) 1152 ifeq ($(feature-jvmti-cmlr), 1) 1153 CFLAGS += -DHAVE_JVMTI_CMLR 1154 endif 1155 endif # NO_JVMTI_CMLR 1156 else 1157 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel) 1158 NO_JVMTI := 1 1159 endif 1160endif 1161 1162ifndef NO_LIBPFM4 1163 $(call feature_check,libpfm4) 1164 ifeq ($(feature-libpfm4), 1) 1165 CFLAGS += -DHAVE_LIBPFM 1166 EXTLIBS += -lpfm 1167 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 1168 $(call detected,CONFIG_LIBPFM4) 1169 else 1170 $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev) 1171 endif 1172endif 1173 1174# libtraceevent is a recommended dependency picked up from the system. 1175ifneq ($(NO_LIBTRACEEVENT),1) 1176 $(call feature_check,libtraceevent) 1177 ifeq ($(feature-libtraceevent), 1) 1178 CFLAGS += -DHAVE_LIBTRACEEVENT $(LIBTRACEEVENT_CFLAGS) 1179 LDFLAGS += $(LIBTRACEEVENT_LDFLAGS) 1180 EXTLIBS += ${TRACEEVENTLIBS} 1181 LIBTRACEEVENT_VERSION := $(shell PKG_CONFIG_PATH=$(LIBTRACEEVENT_DIR) $(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 $(call detected,CONFIG_LIBTRACEEVENT) 1188 else 1189 $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel and/or set LIBTRACEEVENT_DIR or build with NO_LIBTRACEEVENT=1) 1190 endif 1191 1192 $(call feature_check,libtracefs) 1193 ifeq ($(feature-libtracefs), 1) 1194 EXTLIBS += -ltracefs 1195 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs) 1196 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION))) 1197 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION))) 1198 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION))) 1199 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3)) 1200 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP) 1201 endif 1202endif 1203 1204# Among the variables below, these: 1205# perfexecdir 1206# libbpf_include_dir 1207# perf_examples_dir 1208# template_dir 1209# mandir 1210# infodir 1211# htmldir 1212# ETC_PERFCONFIG (but not sysconfdir) 1213# can be specified as a relative path some/where/else; 1214# this is interpreted as relative to $(prefix) and "perf" at 1215# runtime figures out where they are based on the path to the executable. 1216# This can help installing the suite in a relocatable way. 1217 1218# Make the path relative to DESTDIR, not to prefix 1219ifndef DESTDIR 1220prefix ?= $(HOME) 1221endif 1222bindir_relative = bin 1223bindir = $(abspath $(prefix)/$(bindir_relative)) 1224includedir_relative = include 1225includedir = $(abspath $(prefix)/$(includedir_relative)) 1226mandir = share/man 1227infodir = share/info 1228perfexecdir = libexec/perf-core 1229# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance 1230libbpf_include_dir = /usr/include 1231perf_examples_dir = lib/perf/examples 1232sharedir = $(prefix)/share 1233template_dir = share/perf-core/templates 1234STRACE_GROUPS_DIR = share/perf-core/strace/groups 1235htmldir = share/doc/perf-doc 1236tipdir = share/doc/perf-tip 1237srcdir = $(srctree)/tools/perf 1238ifeq ($(prefix),/usr) 1239sysconfdir = /etc 1240ETC_PERFCONFIG = $(sysconfdir)/perfconfig 1241else 1242sysconfdir = $(prefix)/etc 1243ETC_PERFCONFIG = etc/perfconfig 1244endif 1245ifndef lib 1246ifeq ($(SRCARCH)$(IS_64_BIT), x861) 1247lib = lib64 1248else 1249lib = lib 1250endif 1251endif # lib 1252libdir = $(prefix)/$(lib) 1253 1254# Shell quote (do not use $(call) to accommodate ancient setups); 1255ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) 1256STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR)) 1257DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) 1258bindir_SQ = $(subst ','\'',$(bindir)) 1259includedir_SQ = $(subst ','\'',$(includedir)) 1260mandir_SQ = $(subst ','\'',$(mandir)) 1261infodir_SQ = $(subst ','\'',$(infodir)) 1262perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) 1263libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir)) 1264perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir)) 1265template_dir_SQ = $(subst ','\'',$(template_dir)) 1266htmldir_SQ = $(subst ','\'',$(htmldir)) 1267tipdir_SQ = $(subst ','\'',$(tipdir)) 1268prefix_SQ = $(subst ','\'',$(prefix)) 1269sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) 1270libdir_SQ = $(subst ','\'',$(libdir)) 1271srcdir_SQ = $(subst ','\'',$(srcdir)) 1272 1273ifneq ($(filter /%,$(firstword $(perfexecdir))),) 1274perfexec_instdir = $(perfexecdir) 1275perf_include_instdir = $(libbpf_include_dir) 1276perf_examples_instdir = $(perf_examples_dir) 1277STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) 1278tip_instdir = $(tipdir) 1279else 1280perfexec_instdir = $(prefix)/$(perfexecdir) 1281perf_include_instdir = $(prefix)/$(libbpf_include_dir) 1282perf_examples_instdir = $(prefix)/$(perf_examples_dir) 1283STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) 1284tip_instdir = $(prefix)/$(tipdir) 1285endif 1286perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) 1287perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir)) 1288perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir)) 1289STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) 1290tip_instdir_SQ = $(subst ','\'',$(tip_instdir)) 1291 1292export perfexec_instdir_SQ 1293 1294print_var = $(eval $(print_var_code)) $(info $(MSG)) 1295define print_var_code 1296 MSG = $(shell printf '...%40s: %s' $(1) $($(1))) 1297endef 1298 1299ifeq ($(feature_display),1) 1300 $(call feature_display_entries) 1301endif 1302 1303ifeq ($(VF),1) 1304 # Display EXTRA features which are detected manualy 1305 # from here with feature_check call and thus cannot 1306 # be partof global state output. 1307 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG))) 1308 $(call print_var,prefix) 1309 $(call print_var,bindir) 1310 $(call print_var,libdir) 1311 $(call print_var,sysconfdir) 1312 $(call print_var,LIBUNWIND_DIR) 1313 $(call print_var,LIBDW_DIR) 1314 $(call print_var,JDIR) 1315 $(call print_var,LIBTRACEEVENT_DIR) 1316 1317 ifeq ($(dwarf-post-unwind),1) 1318 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG)) 1319 endif 1320endif 1321 1322$(info ) 1323 1324$(call detected_var,bindir_SQ) 1325$(call detected_var,PYTHON_WORD) 1326ifneq ($(OUTPUT),) 1327$(call detected_var,OUTPUT) 1328endif 1329$(call detected_var,htmldir_SQ) 1330$(call detected_var,infodir_SQ) 1331$(call detected_var,mandir_SQ) 1332$(call detected_var,ETC_PERFCONFIG_SQ) 1333$(call detected_var,STRACE_GROUPS_DIR_SQ) 1334$(call detected_var,prefix_SQ) 1335$(call detected_var,perfexecdir_SQ) 1336$(call detected_var,libbpf_include_dir_SQ) 1337$(call detected_var,perf_examples_dir_SQ) 1338$(call detected_var,tipdir_SQ) 1339$(call detected_var,srcdir_SQ) 1340$(call detected_var,LIBDIR) 1341$(call detected_var,GTK_CFLAGS) 1342$(call detected_var,PERL_EMBED_CCOPTS) 1343$(call detected_var,PYTHON_EMBED_CCOPTS) 1344ifneq ($(BISON_FILE_PREFIX_MAP),) 1345$(call detected_var,BISON_FILE_PREFIX_MAP) 1346endif 1347 1348# re-generate FEATURE-DUMP as we may have called feature_check, found out 1349# extra libraries to add to LDFLAGS of some other test and then redo those 1350# tests, see the block about libbfd, disassembler-four-args, for instance. 1351$(shell rm -f $(FEATURE_DUMP_FILENAME)) 1352$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) 1353