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),$(filter $(SRCARCH),x86 powerpc arm64 s390 mips loongarch riscv)) 35 NO_SYSCALL_TABLE := 0 36 endif 37 38 ifneq ($(NO_SYSCALL_TABLE),1) 39 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT 40 endif 41endif 42 43# Additional ARCH settings for ppc 44ifeq ($(SRCARCH),powerpc) 45 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated 46 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64 47endif 48 49# Additional ARCH settings for x86 50ifeq ($(SRCARCH),x86) 51 $(call detected,CONFIG_X86) 52 CFLAGS += -I$(OUTPUT)arch/x86/include/generated 53 ifeq (${IS_64_BIT}, 1) 54 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT 55 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S 56 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma 57 $(call detected,CONFIG_X86_64) 58 else 59 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind 60 endif 61endif 62 63ifeq ($(SRCARCH),arm) 64 LIBUNWIND_LIBS = -lunwind -lunwind-arm 65endif 66 67ifeq ($(SRCARCH),arm64) 68 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated 69 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64 70endif 71 72ifeq ($(SRCARCH),loongarch) 73 CFLAGS += -I$(OUTPUT)arch/loongarch/include/generated 74 LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64 75endif 76 77ifeq ($(ARCH),s390) 78 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated 79endif 80 81ifeq ($(ARCH),mips) 82 CFLAGS += -I$(OUTPUT)arch/mips/include/generated 83 LIBUNWIND_LIBS = -lunwind -lunwind-mips 84endif 85 86ifeq ($(ARCH),riscv) 87 CFLAGS += -I$(OUTPUT)arch/riscv/include/generated 88endif 89 90# So far there's only x86 and arm libdw unwind support merged in perf. 91# Disable it on all other architectures in case libdw unwind 92# support is detected in system. Add supported architectures 93# to the check. 94ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv loongarch)) 95 NO_LIBDW_DWARF_UNWIND := 1 96endif 97 98ifneq ($(LIBUNWIND),1) 99 NO_LIBUNWIND := 1 100endif 101 102ifeq ($(LIBUNWIND_LIBS),) 103 NO_LIBUNWIND := 1 104endif 105# 106# For linking with debug library, run like: 107# 108# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/ 109# 110 111libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code)) 112define libunwind_arch_set_flags_code 113 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include 114 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib 115endef 116 117ifdef LIBUNWIND_DIR 118 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include 119 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib 120 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64 loongarch 121 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch))) 122endif 123 124# Set per-feature check compilation flags 125FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS) 126FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 127FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS) 128FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 129 130FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm 131FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64 132FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86 133FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64 134 135FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto 136 137ifdef CSINCLUDES 138 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES) 139endif 140OPENCSDLIBS := -lopencsd_c_api -lopencsd 141ifeq ($(findstring -static,${LDFLAGS}),-static) 142 OPENCSDLIBS += -lstdc++ 143endif 144ifdef CSLIBS 145 LIBOPENCSD_LDFLAGS := -L$(CSLIBS) 146endif 147FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS) 148FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS) 149 150# for linking with debug library, run like: 151# make DEBUG=1 LIBDW_DIR=/opt/libdw/ 152ifdef LIBDW_DIR 153 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include 154 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib 155endif 156DWARFLIBS := -ldw 157ifeq ($(findstring -static,${LDFLAGS}),-static) 158 DWARFLIBS += -lelf -lz -llzma -lbz2 -lzstd 159 160 LIBDW_VERSION := $(shell $(PKG_CONFIG) --modversion libdw).0.0 161 LIBDW_VERSION_1 := $(word 1, $(subst ., ,$(LIBDW_VERSION))) 162 LIBDW_VERSION_2 := $(word 2, $(subst ., ,$(LIBDW_VERSION))) 163 164 # Elfutils merged libebl.a into libdw.a starting from version 0.177, 165 # Link libebl.a only if libdw is older than this version. 166 ifeq ($(shell test $(LIBDW_VERSION_2) -lt 177; echo $$?),0) 167 DWARFLIBS += -lebl 168 endif 169 170 # Must put -ldl after -lebl for dependency 171 DWARFLIBS += -ldl 172endif 173FEATURE_CHECK_CFLAGS-libdw := $(LIBDW_CFLAGS) 174FEATURE_CHECK_LDFLAGS-libdw := $(LIBDW_LDFLAGS) $(DWARFLIBS) 175 176# for linking with debug library, run like: 177# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/ 178ifdef LIBBABELTRACE_DIR 179 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include 180 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib 181endif 182FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS) 183FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf 184 185# for linking with debug library, run like: 186# make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/ 187ifdef LIBCAPSTONE_DIR 188 LIBCAPSTONE_CFLAGS := -I$(LIBCAPSTONE_DIR)/include 189 LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/ 190endif 191FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPSTONE_CFLAGS) 192FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPSTONE_LDFLAGS) -lcapstone 193 194ifdef LIBZSTD_DIR 195 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib 196 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib 197endif 198FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS) 199FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS) 200 201# for linking with debug library, run like: 202# make DEBUG=1 PKG_CONFIG_PATH=/opt/libtraceevent/(lib|lib64)/pkgconfig 203 204ifneq ($(NO_LIBTRACEEVENT),1) 205 ifeq ($(call get-executable,$(PKG_CONFIG)),) 206 $(error Error: $(PKG_CONFIG) needed by libtraceevent is missing on this system, please install it) 207 endif 208endif 209 210FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi 211# include ARCH specific config 212-include $(src-perf)/arch/$(SRCARCH)/Makefile 213 214ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 215 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 216endif 217 218include $(srctree)/tools/scripts/utilities.mak 219 220ifeq ($(call get-executable,$(FLEX)),) 221 $(error Error: $(FLEX) is missing on this system, please install it) 222endif 223 224ifeq ($(call get-executable,$(BISON)),) 225 $(error Error: $(BISON) is missing on this system, please install it) 226endif 227 228ifneq ($(OUTPUT),) 229 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1) 230 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)= 231 endif 232endif 233 234# Treat warnings as errors unless directed not to 235ifneq ($(WERROR),0) 236 CORE_CFLAGS += -Werror 237 CXXFLAGS += -Werror 238 HOSTCFLAGS += -Werror 239endif 240 241ifndef DEBUG 242 DEBUG := 0 243endif 244 245ifeq ($(DEBUG),0) 246CORE_CFLAGS += -DNDEBUG=1 247CORE_CFLAGS += -O3 248else 249 CORE_CFLAGS += -g 250 CXXFLAGS += -g 251endif 252 253ifdef PARSER_DEBUG 254 PARSER_DEBUG_BISON := -t 255 PARSER_DEBUG_FLEX := -d 256 CFLAGS += -DPARSER_DEBUG 257 $(call detected_var,PARSER_DEBUG_BISON) 258 $(call detected_var,PARSER_DEBUG_FLEX) 259endif 260 261ifdef LTO 262 CORE_CFLAGS += -flto 263 CXXFLAGS += -flto 264endif 265 266# Try different combinations to accommodate systems that only have 267# python[2][3]-config in weird combinations in the following order of 268# priority from lowest to highest: 269# * python2-config as per pep-0394. 270# * python-config 271# * python3-config 272# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't) 273# 274PYTHON_AUTO := python-config 275PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO)) 276PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO)) 277PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO)) 278 279# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user 280# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist. 281ifdef PYTHON 282 ifndef PYTHON_CONFIG 283 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config) 284 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\ 285 $(call $(error $(PYTHON)-config not found))) 286 endif 287endif 288 289# Select either auto detected python and python-config or use user supplied values if they are 290# defined. get-executable-or-default fails with an error if the first argument is supplied but 291# doesn't exist. 292override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO)) 293override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG))) 294 295grep-libs = $(filter -l%,$(1)) 296strip-libs = $(filter-out -l%,$(1)) 297 298PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG)) 299 300# Python 3.8 changed the output of `python-config --ldflags` to not include the 301# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for 302# libpython fails if that flag is not included in LDFLAGS 303ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0) 304 PYTHON_CONFIG_LDFLAGS := --ldflags --embed 305else 306 PYTHON_CONFIG_LDFLAGS := --ldflags 307endif 308 309ifdef PYTHON_CONFIG 310 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null) 311 # Update the python flags for cross compilation 312 ifdef CROSS_COMPILE 313 PYTHON_NATIVE := $(shell echo $(PYTHON_EMBED_LDOPTS) | sed 's/\(-L.*\/\)\(.*-linux-gnu\).*/\2/') 314 PYTHON_EMBED_LDOPTS := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EMBED_LDOPTS)) 315 endif 316 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS)) 317 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil 318 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null) 319 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS) 320 ifeq ($(CC_NO_CLANG), 0) 321 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS)) 322 endif 323endif 324 325FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS) 326FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS) 327 328FEATURE_CHECK_LDFLAGS-libaio = -lrt 329 330FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl 331FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl 332 333CORE_CFLAGS += -fno-omit-frame-pointer 334CORE_CFLAGS += -Wall 335CORE_CFLAGS += -Wextra 336CORE_CFLAGS += -std=gnu11 337 338CXXFLAGS += -std=gnu++17 -fno-exceptions -fno-rtti 339CXXFLAGS += -Wall 340CXXFLAGS += -Wextra 341CXXFLAGS += -fno-omit-frame-pointer 342 343HOSTCFLAGS += -Wall 344HOSTCFLAGS += -Wextra 345 346# Enforce a non-executable stack, as we may regress (again) in the future by 347# adding assembler files missing the .GNU-stack linker note. 348LDFLAGS += -Wl,-z,noexecstack 349 350EXTLIBS = -lpthread -lrt -lm -ldl 351 352ifneq ($(TCMALLOC),) 353 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free 354 EXTLIBS += -ltcmalloc 355endif 356 357ifeq ($(FEATURES_DUMP),) 358# We will display at the end of this Makefile.config, using $(call feature_display_entries) 359# As we may retry some feature detection here, see the disassembler-four-args case, for instance 360 FEATURE_DISPLAY_DEFERRED := 1 361include $(srctree)/tools/build/Makefile.feature 362else 363include $(FEATURES_DUMP) 364endif 365 366ifeq ($(feature-stackprotector-all), 1) 367 CORE_CFLAGS += -fstack-protector-all 368endif 369 370ifeq ($(DEBUG),0) 371 ifeq ($(feature-fortify-source), 1) 372 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 373 endif 374endif 375 376INC_FLAGS += -I$(src-perf)/util/include 377INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include 378INC_FLAGS += -I$(srctree)/tools/include/ 379INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi 380INC_FLAGS += -I$(srctree)/tools/include/uapi 381INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/ 382INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/ 383 384# $(obj-perf) for generated common-cmds.h 385# $(obj-perf)/util for generated bison/flex headers 386ifneq ($(OUTPUT),) 387INC_FLAGS += -I$(obj-perf)/util 388INC_FLAGS += -I$(obj-perf) 389endif 390 391INC_FLAGS += -I$(src-perf)/util 392INC_FLAGS += -I$(src-perf) 393 394CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE 395 396CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS) 397CXXFLAGS += $(INC_FLAGS) 398 399LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS) 400 401ifeq ($(feature-pthread-attr-setaffinity-np), 1) 402 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP 403endif 404 405ifeq ($(feature-pthread-barrier), 1) 406 CFLAGS += -DHAVE_PTHREAD_BARRIER 407endif 408 409ifndef NO_BIONIC 410 $(call feature_check,bionic) 411 ifeq ($(feature-bionic), 1) 412 BIONIC := 1 413 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE 414 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE 415 EXTLIBS := $(filter-out -lrt,$(EXTLIBS)) 416 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS)) 417 endif 418endif 419 420ifeq ($(feature-eventfd), 1) 421 CFLAGS += -DHAVE_EVENTFD_SUPPORT 422endif 423 424ifeq ($(feature-get_current_dir_name), 1) 425 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME 426endif 427 428ifeq ($(feature-gettid), 1) 429 CFLAGS += -DHAVE_GETTID 430endif 431 432ifeq ($(feature-file-handle), 1) 433 CFLAGS += -DHAVE_FILE_HANDLE 434endif 435 436ifdef NO_LIBELF 437 NO_LIBDW := 1 438 NO_LIBUNWIND := 1 439 NO_LIBDW_DWARF_UNWIND := 1 440 NO_LIBBPF := 1 441 NO_JVMTI := 1 442else 443 ifeq ($(feature-libelf), 0) 444 ifeq ($(feature-glibc), 1) 445 LIBC_SUPPORT := 1 446 endif 447 ifeq ($(BIONIC),1) 448 LIBC_SUPPORT := 1 449 endif 450 ifeq ($(LIBC_SUPPORT),1) 451 $(error ERROR: No libelf found. Disables 'probe' tool, jvmti and BPF support. Please install libelf-dev, libelf-devel, elfutils-libelf-devel or build with NO_LIBELF=1.) 452 else 453 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),) 454 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0) 455 $(error No libasan found, please install libasan) 456 endif 457 endif 458 459 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),) 460 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0) 461 $(error No libubsan found, please install libubsan) 462 endif 463 endif 464 465 ifneq ($(filter s% -static%,$(LDFLAGS),),) 466 $(error No static glibc found, please install glibc-static) 467 else 468 $(error No gnu/libc-version.h found, please install glibc-dev[el]) 469 endif 470 endif 471 else 472 ifneq ($(feature-libdw), 1) 473 ifndef NO_LIBDW 474 $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.157, disables dwarf support. Please install new elfutils-devel/libdw-dev) 475 NO_LIBDW := 1 476 endif 477 endif # Dwarf support 478 endif # libelf support 479endif # NO_LIBELF 480 481ifeq ($(feature-libaio), 1) 482 ifndef NO_AIO 483 CFLAGS += -DHAVE_AIO_SUPPORT 484 endif 485endif 486 487ifdef NO_LIBDW 488 NO_LIBDW_DWARF_UNWIND := 1 489endif 490 491ifeq ($(feature-scandirat), 1) 492 # Ignore having scandirat with memory sanitizer that lacks an interceptor. 493 ifeq ($(filter s% -fsanitize=memory%,$(EXTRA_CFLAGS),),) 494 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT 495 endif 496endif 497 498ifeq ($(feature-sched_getcpu), 1) 499 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT 500endif 501 502ifeq ($(feature-setns), 1) 503 CFLAGS += -DHAVE_SETNS_SUPPORT 504 $(call detected,CONFIG_SETNS) 505endif 506 507ifdef CORESIGHT 508 $(call feature_check,libopencsd) 509 ifeq ($(feature-libopencsd), 1) 510 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS) 511 ifeq ($(feature-reallocarray), 0) 512 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 513 endif 514 LDFLAGS += $(LIBOPENCSD_LDFLAGS) 515 EXTLIBS += $(OPENCSDLIBS) 516 $(call detected,CONFIG_LIBOPENCSD) 517 ifdef CSTRACE_RAW 518 CFLAGS += -DCS_DEBUG_RAW 519 ifeq (${CSTRACE_RAW}, packed) 520 CFLAGS += -DCS_RAW_PACKED 521 endif 522 endif 523 else 524 $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1) 525 endif 526endif 527 528ifndef NO_ZLIB 529 ifeq ($(feature-zlib), 1) 530 CFLAGS += -DHAVE_ZLIB_SUPPORT 531 EXTLIBS += -lz 532 $(call detected,CONFIG_ZLIB) 533 else 534 NO_ZLIB := 1 535 endif 536endif 537 538ifndef NO_LIBELF 539 CFLAGS += -DHAVE_LIBELF_SUPPORT 540 EXTLIBS += -lelf 541 $(call detected,CONFIG_LIBELF) 542 543 ifeq ($(feature-libelf-getphdrnum), 1) 544 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT 545 endif 546 547 ifeq ($(feature-libelf-gelf_getnote), 1) 548 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT 549 else 550 $(warning gelf_getnote() not found on libelf, SDT support disabled) 551 endif 552 553 ifeq ($(feature-libelf-getshdrstrndx), 1) 554 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT 555 endif 556 557 ifndef NO_LIBDEBUGINFOD 558 $(call feature_check,libdebuginfod) 559 ifeq ($(feature-libdebuginfod), 1) 560 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT 561 EXTLIBS += -ldebuginfod 562 endif 563 endif 564 565 ifndef NO_LIBDW 566 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined) 567 $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled) 568 NO_LIBDW := 1 569 else 570 CFLAGS += -DHAVE_LIBDW_SUPPORT $(LIBDW_CFLAGS) 571 LDFLAGS += $(LIBDW_LDFLAGS) 572 EXTLIBS += ${DWARFLIBS} 573 $(call detected,CONFIG_LIBDW) 574 endif # PERF_HAVE_DWARF_REGS 575 endif # NO_LIBDW 576 577 ifndef NO_LIBBPF 578 ifeq ($(feature-bpf), 1) 579 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status 580 $(call feature_check,libbpf) 581 582 ifdef LIBBPF_DYNAMIC 583 ifeq ($(feature-libbpf), 1) 584 EXTLIBS += -lbpf 585 CFLAGS += -DHAVE_LIBBPF_SUPPORT 586 $(call detected,CONFIG_LIBBPF) 587 $(call detected,CONFIG_LIBBPF_DYNAMIC) 588 else 589 $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel) 590 endif 591 else 592 ifeq ($(NO_ZLIB), 1) 593 $(warning Warning: Statically building libbpf not possible as zlib is missing) 594 NO_LIBBPF := 1 595 else 596 # Libbpf will be built as a static library from tools/lib/bpf. 597 LIBBPF_STATIC := 1 598 $(call detected,CONFIG_LIBBPF) 599 CFLAGS += -DHAVE_LIBBPF_SUPPORT 600 endif 601 endif 602 endif 603 endif # NO_LIBBPF 604endif # NO_LIBELF 605 606ifndef NO_SDT 607 ifneq ($(feature-sdt), 1) 608 $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev) 609 NO_SDT := 1; 610 else 611 CFLAGS += -DHAVE_SDT_EVENT 612 $(call detected,CONFIG_SDT_EVENT) 613 endif 614endif 615 616ifdef PERF_HAVE_JITDUMP 617 ifndef NO_LIBELF 618 $(call detected,CONFIG_JITDUMP) 619 CFLAGS += -DHAVE_JITDUMP 620 endif 621endif 622 623ifeq ($(SRCARCH),powerpc) 624 ifndef NO_LIBDW 625 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX 626 endif 627endif 628 629ifndef NO_LIBUNWIND 630 have_libunwind := 631 632 $(call feature_check,libunwind-x86) 633 ifeq ($(feature-libunwind-x86), 1) 634 $(call detected,CONFIG_LIBUNWIND_X86) 635 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT 636 LDFLAGS += -lunwind-x86 637 EXTLIBS_LIBUNWIND += -lunwind-x86 638 have_libunwind = 1 639 endif 640 641 $(call feature_check,libunwind-aarch64) 642 ifeq ($(feature-libunwind-aarch64), 1) 643 $(call detected,CONFIG_LIBUNWIND_AARCH64) 644 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT 645 LDFLAGS += -lunwind-aarch64 646 EXTLIBS_LIBUNWIND += -lunwind-aarch64 647 have_libunwind = 1 648 $(call feature_check,libunwind-debug-frame-aarch64) 649 ifneq ($(feature-libunwind-debug-frame-aarch64), 1) 650 $(warning No debug_frame support found in libunwind-aarch64) 651 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64 652 endif 653 endif 654 655 ifneq ($(feature-libunwind), 1) 656 $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR) 657 NO_LOCAL_LIBUNWIND := 1 658 else 659 have_libunwind := 1 660 $(call detected,CONFIG_LOCAL_LIBUNWIND) 661 endif 662 663 ifneq ($(have_libunwind), 1) 664 NO_LIBUNWIND := 1 665 endif 666else 667 NO_LOCAL_LIBUNWIND := 1 668endif 669 670ifndef NO_LIBBPF 671 ifneq ($(feature-bpf), 1) 672 $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) 673 NO_LIBBPF := 1 674 endif 675endif 676 677ifndef BUILD_BPF_SKEL 678 # BPF skeletons control a large number of perf features, by default 679 # they are enabled. 680 BUILD_BPF_SKEL := 1 681endif 682 683ifeq ($(BUILD_BPF_SKEL),1) 684 ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),) 685 $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool) 686 BUILD_BPF_SKEL := 0 687 else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),) 688 $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool) 689 BUILD_BPF_SKEL := 0 690 else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) 691 $(warning Warning: Disabled BPF skeletons as libbpf is required) 692 BUILD_BPF_SKEL := 0 693 else ifeq ($(call get-executable,$(CLANG)),) 694 $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing) 695 BUILD_BPF_SKEL := 0 696 else 697 CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g') 698 ifeq ($(call version-lt3,$(CLANG_VERSION),12.0.1),1) 699 $(warning Warning: Disabled BPF skeletons as reliable BTF generation needs at least $(CLANG) version 12.0.1) 700 BUILD_BPF_SKEL := 0 701 endif 702 endif 703 ifeq ($(BUILD_BPF_SKEL),1) 704 $(call feature_check,clang-bpf-co-re) 705 ifeq ($(feature-clang-bpf-co-re), 0) 706 $(warning Warning: Disabled BPF skeletons as clang is too old) 707 BUILD_BPF_SKEL := 0 708 endif 709 endif 710 ifeq ($(BUILD_BPF_SKEL),1) 711 $(call detected,CONFIG_PERF_BPF_SKEL) 712 CFLAGS += -DHAVE_BPF_SKEL 713 endif 714endif 715 716ifndef GEN_VMLINUX_H 717 VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h 718endif 719 720dwarf-post-unwind := 1 721dwarf-post-unwind-text := BUG 722 723# setup DWARF post unwinder 724ifdef NO_LIBUNWIND 725 ifdef NO_LIBDW_DWARF_UNWIND 726 $(warning Disabling post unwind, no support found.) 727 dwarf-post-unwind := 0 728 else 729 dwarf-post-unwind-text := libdw 730 $(call detected,CONFIG_LIBDW_DWARF_UNWIND) 731 endif 732else 733 dwarf-post-unwind-text := libunwind 734 $(call detected,CONFIG_LIBUNWIND) 735 # Enable libunwind support by default. 736 ifndef NO_LIBDW_DWARF_UNWIND 737 NO_LIBDW_DWARF_UNWIND := 1 738 endif 739endif 740 741ifeq ($(dwarf-post-unwind),1) 742 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT 743 $(call detected,CONFIG_DWARF_UNWIND) 744endif 745 746ifndef NO_LOCAL_LIBUNWIND 747 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64)) 748 $(call feature_check,libunwind-debug-frame) 749 ifneq ($(feature-libunwind-debug-frame), 1) 750 $(warning No debug_frame support found in libunwind) 751 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 752 endif 753 else 754 # non-ARM has no dwarf_find_debug_frame() function: 755 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 756 endif 757 EXTLIBS += $(LIBUNWIND_LIBS) 758 LDFLAGS += $(LIBUNWIND_LIBS) 759endif 760ifeq ($(findstring -static,${LDFLAGS}),-static) 761 # gcc -static links libgcc_eh which contans piece of libunwind 762 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition 763endif 764 765ifndef NO_LIBUNWIND 766 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT 767 CFLAGS += $(LIBUNWIND_CFLAGS) 768 LDFLAGS += $(LIBUNWIND_LDFLAGS) 769 EXTLIBS += $(EXTLIBS_LIBUNWIND) 770endif 771 772ifneq ($(NO_LIBTRACEEVENT),1) 773 ifeq ($(NO_SYSCALL_TABLE),0) 774 $(call detected,CONFIG_TRACE) 775 else 776 ifndef NO_LIBAUDIT 777 $(call feature_check,libaudit) 778 ifneq ($(feature-libaudit), 1) 779 $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev) 780 NO_LIBAUDIT := 1 781 else 782 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT 783 EXTLIBS += -laudit 784 $(call detected,CONFIG_TRACE) 785 endif 786 endif 787 endif 788endif 789 790ifndef NO_LIBCRYPTO 791 ifneq ($(feature-libcrypto), 1) 792 $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev) 793 NO_LIBCRYPTO := 1 794 else 795 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT 796 EXTLIBS += -lcrypto 797 $(call detected,CONFIG_CRYPTO) 798 endif 799endif 800 801ifndef NO_SLANG 802 ifneq ($(feature-libslang), 1) 803 ifneq ($(feature-libslang-include-subdir), 1) 804 $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev) 805 NO_SLANG := 1 806 else 807 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR 808 endif 809 endif 810 ifndef NO_SLANG 811 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h 812 CFLAGS += -DHAVE_SLANG_SUPPORT 813 EXTLIBS += -lslang 814 $(call detected,CONFIG_SLANG) 815 endif 816endif 817 818ifdef GTK2 819 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) 820 $(call feature_check,gtk2) 821 ifneq ($(feature-gtk2), 1) 822 $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev) 823 NO_GTK2 := 1 824 else 825 $(call feature_check,gtk2-infobar) 826 ifeq ($(feature-gtk2-infobar), 1) 827 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT 828 endif 829 CFLAGS += -DHAVE_GTK2_SUPPORT 830 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) 831 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) 832 EXTLIBS += -ldl 833 endif 834endif 835 836ifdef NO_LIBPERL 837 CFLAGS += -DNO_LIBPERL 838else 839 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) 840 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) 841 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) 842 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) 843 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) 844 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) 845 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 846 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) 847 848 ifneq ($(feature-libperl), 1) 849 CFLAGS += -DNO_LIBPERL 850 NO_LIBPERL := 1 851 $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev) 852 else 853 LDFLAGS += $(PERL_EMBED_LDFLAGS) 854 EXTLIBS += $(PERL_EMBED_LIBADD) 855 CFLAGS += -DHAVE_LIBPERL_SUPPORT 856 ifeq ($(CC_NO_CLANG), 0) 857 CFLAGS += -Wno-compound-token-split-by-macro 858 endif 859 $(call detected,CONFIG_LIBPERL) 860 endif 861endif 862 863ifeq ($(feature-timerfd), 1) 864 CFLAGS += -DHAVE_TIMERFD_SUPPORT 865else 866 $(warning No timerfd support. Disables 'perf kvm stat live') 867endif 868 869disable-python = $(eval $(disable-python_code)) 870define disable-python_code 871 CFLAGS += -DNO_LIBPYTHON 872 $(warning $1) 873 NO_LIBPYTHON := 1 874endef 875 876PYTHON_EXTENSION_SUFFIX := '.so' 877ifdef NO_LIBPYTHON 878 $(call disable-python,Python support disabled by user) 879else 880 881 ifndef PYTHON 882 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev) 883 else 884 PYTHON_WORD := $(call shell-wordify,$(PYTHON)) 885 886 ifndef PYTHON_CONFIG 887 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) 888 else 889 890 ifneq ($(feature-libpython), 1) 891 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev) 892 else 893 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 894 EXTLIBS += $(PYTHON_EMBED_LIBADD) 895 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no") 896 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes) 897 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])') 898 ifdef CROSS_COMPILE 899 PYTHON_EXTENSION_SUFFIX := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EXTENSION_SUFFIX)) 900 endif 901 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX) 902 else 903 $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent) 904 endif 905 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT 906 $(call detected,CONFIG_LIBPYTHON) 907 ifeq ($(filter -fPIC,$(CFLAGS)),) 908 # Building a shared library requires position independent code. 909 CFLAGS += -fPIC 910 CXXFLAGS += -fPIC 911 endif 912 endif 913 endif 914 endif 915endif 916 917ifneq ($(NO_JEVENTS),1) 918 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),) 919 NO_JEVENTS := 1 920 endif 921endif 922ifneq ($(NO_JEVENTS),1) 923 NO_JEVENTS := 0 924 ifndef PYTHON 925 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.) 926 else 927 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016. 928 JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null) 929 ifneq ($(JEVENTS_PYTHON_GOOD), 1) 930 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.) 931 endif 932 endif 933endif 934 935ifdef BUILD_NONDISTRO 936 ifeq ($(feature-libbfd), 1) 937 EXTLIBS += -lbfd -lopcodes 938 else 939 # we are on a system that requires -liberty and (maybe) -lz 940 # to link against -lbfd; test each case individually here 941 942 # call all detections now so we get correct 943 # status in VF output 944 $(call feature_check,libbfd-liberty) 945 $(call feature_check,libbfd-liberty-z) 946 947 ifeq ($(feature-libbfd-liberty), 1) 948 EXTLIBS += -lbfd -lopcodes -liberty 949 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl 950 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl 951 else 952 ifeq ($(feature-libbfd-liberty-z), 1) 953 EXTLIBS += -lbfd -lopcodes -liberty -lz 954 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl 955 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl 956 endif 957 endif 958 $(call feature_check,disassembler-four-args) 959 $(call feature_check,disassembler-init-styled) 960 endif 961 962 CFLAGS += -DHAVE_LIBBFD_SUPPORT 963 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT 964 ifeq ($(feature-libbfd-buildid), 1) 965 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT 966 else 967 $(warning Old version of libbfd/binutils things like PE executable profiling will not be available) 968 endif 969endif 970 971ifndef NO_LIBLLVM 972 $(call feature_check,llvm-perf) 973 ifeq ($(feature-llvm-perf), 1) 974 CFLAGS += -DHAVE_LIBLLVM_SUPPORT 975 CFLAGS += $(shell $(LLVM_CONFIG) --cflags) 976 CXXFLAGS += -DHAVE_LIBLLVM_SUPPORT 977 CXXFLAGS += $(shell $(LLVM_CONFIG) --cxxflags) 978 LIBLLVM = $(shell $(LLVM_CONFIG) --libs all) $(shell $(LLVM_CONFIG) --system-libs) 979 EXTLIBS += -L$(shell $(LLVM_CONFIG) --libdir) $(LIBLLVM) 980 EXTLIBS += -lstdc++ 981 $(call detected,CONFIG_LIBLLVM) 982 else 983 $(warning No libllvm 13+ found, slower source file resolution, please install llvm-devel/llvm-dev) 984 NO_LIBLLVM := 1 985 endif 986endif 987 988ifndef NO_DEMANGLE 989 $(call feature_check,cxa-demangle) 990 ifeq ($(feature-cxa-demangle), 1) 991 EXTLIBS += -lstdc++ 992 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 993 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 994 $(call detected,CONFIG_CXX_DEMANGLE) 995 endif 996 ifdef BUILD_NONDISTRO 997 ifeq ($(filter -liberty,$(EXTLIBS)),) 998 $(call feature_check,cplus-demangle) 999 ifeq ($(feature-cplus-demangle), 1) 1000 EXTLIBS += -liberty 1001 endif 1002 endif 1003 ifneq ($(filter -liberty,$(EXTLIBS)),) 1004 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 1005 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 1006 endif 1007 endif 1008endif 1009 1010ifndef NO_LZMA 1011 ifeq ($(feature-lzma), 1) 1012 CFLAGS += -DHAVE_LZMA_SUPPORT 1013 EXTLIBS += -llzma 1014 $(call detected,CONFIG_LZMA) 1015 else 1016 $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev) 1017 NO_LZMA := 1 1018 endif 1019endif 1020 1021ifndef NO_LIBZSTD 1022 ifeq ($(feature-libzstd), 1) 1023 CFLAGS += -DHAVE_ZSTD_SUPPORT 1024 CFLAGS += $(LIBZSTD_CFLAGS) 1025 LDFLAGS += $(LIBZSTD_LDFLAGS) 1026 EXTLIBS += -lzstd 1027 $(call detected,CONFIG_ZSTD) 1028 else 1029 $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR) 1030 NO_LIBZSTD := 1 1031 endif 1032endif 1033 1034ifndef NO_BACKTRACE 1035 ifeq ($(feature-backtrace), 1) 1036 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 1037 endif 1038endif 1039 1040ifndef NO_LIBNUMA 1041 ifeq ($(feature-libnuma), 0) 1042 $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev) 1043 NO_LIBNUMA := 1 1044 else 1045 ifeq ($(feature-numa_num_possible_cpus), 0) 1046 $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8) 1047 NO_LIBNUMA := 1 1048 else 1049 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 1050 EXTLIBS += -lnuma 1051 $(call detected,CONFIG_NUMA) 1052 endif 1053 endif 1054endif 1055 1056ifdef HAVE_KVM_STAT_SUPPORT 1057 CFLAGS += -DHAVE_KVM_STAT_SUPPORT 1058endif 1059 1060ifeq ($(feature-disassembler-four-args), 1) 1061 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 1062endif 1063 1064ifeq ($(feature-disassembler-init-styled), 1) 1065 CFLAGS += -DDISASM_INIT_STYLED 1066endif 1067 1068ifeq (${IS_64_BIT}, 1) 1069 ifndef NO_PERF_READ_VDSO32 1070 $(call feature_check,compile-32) 1071 ifeq ($(feature-compile-32), 1) 1072 CFLAGS += -DHAVE_PERF_READ_VDSO32 1073 else 1074 NO_PERF_READ_VDSO32 := 1 1075 endif 1076 endif 1077 ifneq ($(SRCARCH), x86) 1078 NO_PERF_READ_VDSOX32 := 1 1079 endif 1080 ifndef NO_PERF_READ_VDSOX32 1081 $(call feature_check,compile-x32) 1082 ifeq ($(feature-compile-x32), 1) 1083 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1084 else 1085 NO_PERF_READ_VDSOX32 := 1 1086 endif 1087 endif 1088else 1089 NO_PERF_READ_VDSO32 := 1 1090 NO_PERF_READ_VDSOX32 := 1 1091endif 1092 1093ifndef NO_LIBBABELTRACE 1094 $(call feature_check,libbabeltrace) 1095 ifeq ($(feature-libbabeltrace), 1) 1096 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS) 1097 LDFLAGS += $(LIBBABELTRACE_LDFLAGS) 1098 EXTLIBS += -lbabeltrace-ctf 1099 $(call detected,CONFIG_LIBBABELTRACE) 1100 else 1101 $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev) 1102 endif 1103endif 1104 1105ifndef NO_CAPSTONE 1106 $(call feature_check,libcapstone) 1107 ifeq ($(feature-libcapstone), 1) 1108 CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LIBCAPSTONE_CFLAGS) 1109 LDFLAGS += $(LICAPSTONE_LDFLAGS) 1110 EXTLIBS += -lcapstone 1111 $(call detected,CONFIG_LIBCAPSTONE) 1112 else 1113 msg := $(warning No libcapstone found, disables disasm engine support for 'perf script', please install libcapstone-dev/capstone-devel); 1114 endif 1115endif 1116 1117ifndef NO_AUXTRACE 1118 ifeq ($(SRCARCH),x86) 1119 ifeq ($(feature-get_cpuid), 0) 1120 $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc) 1121 NO_AUXTRACE := 1 1122 endif 1123 endif 1124 ifndef NO_AUXTRACE 1125 $(call detected,CONFIG_AUXTRACE) 1126 CFLAGS += -DHAVE_AUXTRACE_SUPPORT 1127 ifeq ($(feature-reallocarray), 0) 1128 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 1129 endif 1130 endif 1131endif 1132 1133ifdef EXTRA_TESTS 1134 $(call detected,CONFIG_EXTRA_TESTS) 1135 CFLAGS += -DHAVE_EXTRA_TESTS 1136endif 1137 1138ifndef NO_JVMTI 1139 ifneq (,$(wildcard /usr/sbin/update-java-alternatives)) 1140 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}') 1141 else 1142 ifneq (,$(wildcard /usr/sbin/alternatives)) 1143 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g') 1144 endif 1145 endif 1146 ifndef JDIR 1147 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory) 1148 NO_JVMTI := 1 1149 endif 1150endif 1151 1152ifndef NO_JVMTI 1153 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux 1154 $(call feature_check,jvmti) 1155 ifeq ($(feature-jvmti), 1) 1156 $(call detected_var,JDIR) 1157 ifndef NO_JVMTI_CMLR 1158 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti) 1159 $(call feature_check,jvmti-cmlr) 1160 ifeq ($(feature-jvmti-cmlr), 1) 1161 CFLAGS += -DHAVE_JVMTI_CMLR 1162 endif 1163 endif # NO_JVMTI_CMLR 1164 else 1165 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel) 1166 NO_JVMTI := 1 1167 endif 1168endif 1169 1170ifndef NO_LIBPFM4 1171 $(call feature_check,libpfm4) 1172 ifeq ($(feature-libpfm4), 1) 1173 CFLAGS += -DHAVE_LIBPFM 1174 EXTLIBS += -lpfm 1175 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 1176 $(call detected,CONFIG_LIBPFM4) 1177 else 1178 $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev) 1179 endif 1180endif 1181 1182# libtraceevent is a recommended dependency picked up from the system. 1183ifneq ($(NO_LIBTRACEEVENT),1) 1184 $(call feature_check,libtraceevent) 1185 ifeq ($(feature-libtraceevent), 1) 1186 CFLAGS += -DHAVE_LIBTRACEEVENT $(shell $(PKG_CONFIG) --cflags libtraceevent) 1187 LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtraceevent) 1188 EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtraceevent) 1189 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent).0.0 1190 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1191 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1192 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1193 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3)) 1194 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP) 1195 $(call detected,CONFIG_LIBTRACEEVENT) 1196 else 1197 $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel and/or set LIBTRACEEVENT_DIR or build with NO_LIBTRACEEVENT=1) 1198 endif 1199 1200 $(call feature_check,libtracefs) 1201 ifeq ($(feature-libtracefs), 1) 1202 CFLAGS += $(shell $(PKG_CONFIG) --cflags libtracefs) 1203 LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtracefs) 1204 EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtracefs) 1205 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs).0.0 1206 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION))) 1207 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION))) 1208 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION))) 1209 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3)) 1210 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP) 1211 else 1212 $(warning libtracefs is missing. Please install libtracefs-dev/libtracefs-devel) 1213 endif 1214endif 1215 1216# Among the variables below, these: 1217# perfexecdir 1218# libbpf_include_dir 1219# perf_examples_dir 1220# template_dir 1221# mandir 1222# infodir 1223# htmldir 1224# ETC_PERFCONFIG (but not sysconfdir) 1225# can be specified as a relative path some/where/else; 1226# this is interpreted as relative to $(prefix) and "perf" at 1227# runtime figures out where they are based on the path to the executable. 1228# This can help installing the suite in a relocatable way. 1229 1230# Make the path relative to DESTDIR, not to prefix 1231ifndef DESTDIR 1232prefix ?= $(HOME) 1233endif 1234bindir_relative = bin 1235bindir = $(abspath $(prefix)/$(bindir_relative)) 1236includedir_relative = include 1237includedir = $(abspath $(prefix)/$(includedir_relative)) 1238mandir = share/man 1239infodir = share/info 1240perfexecdir = libexec/perf-core 1241# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance 1242libbpf_include_dir = /usr/include 1243perf_examples_dir = lib/perf/examples 1244sharedir = $(prefix)/share 1245template_dir = share/perf-core/templates 1246STRACE_GROUPS_DIR = share/perf-core/strace/groups 1247htmldir = share/doc/perf-doc 1248tipdir = share/doc/perf-tip 1249srcdir = $(srctree)/tools/perf 1250ifeq ($(prefix),/usr) 1251sysconfdir = /etc 1252ETC_PERFCONFIG = $(sysconfdir)/perfconfig 1253else 1254sysconfdir = $(prefix)/etc 1255ETC_PERFCONFIG = etc/perfconfig 1256endif 1257ifndef lib 1258ifeq ($(SRCARCH)$(IS_64_BIT), x861) 1259lib = lib64 1260else 1261lib = lib 1262endif 1263endif # lib 1264libdir = $(prefix)/$(lib) 1265 1266# Shell quote (do not use $(call) to accommodate ancient setups); 1267ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) 1268STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR)) 1269DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) 1270bindir_SQ = $(subst ','\'',$(bindir)) 1271includedir_SQ = $(subst ','\'',$(includedir)) 1272mandir_SQ = $(subst ','\'',$(mandir)) 1273infodir_SQ = $(subst ','\'',$(infodir)) 1274perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) 1275libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir)) 1276perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir)) 1277template_dir_SQ = $(subst ','\'',$(template_dir)) 1278htmldir_SQ = $(subst ','\'',$(htmldir)) 1279tipdir_SQ = $(subst ','\'',$(tipdir)) 1280prefix_SQ = $(subst ','\'',$(prefix)) 1281sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) 1282libdir_SQ = $(subst ','\'',$(libdir)) 1283srcdir_SQ = $(subst ','\'',$(srcdir)) 1284 1285ifneq ($(filter /%,$(firstword $(perfexecdir))),) 1286perfexec_instdir = $(perfexecdir) 1287perf_include_instdir = $(libbpf_include_dir) 1288perf_examples_instdir = $(perf_examples_dir) 1289STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) 1290tip_instdir = $(tipdir) 1291else 1292perfexec_instdir = $(prefix)/$(perfexecdir) 1293perf_include_instdir = $(prefix)/$(libbpf_include_dir) 1294perf_examples_instdir = $(prefix)/$(perf_examples_dir) 1295STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) 1296tip_instdir = $(prefix)/$(tipdir) 1297endif 1298perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) 1299perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir)) 1300perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir)) 1301STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) 1302tip_instdir_SQ = $(subst ','\'',$(tip_instdir)) 1303 1304export perfexec_instdir_SQ 1305 1306print_var = $(eval $(print_var_code)) $(info $(MSG)) 1307define print_var_code 1308 MSG = $(shell printf '...%40s: %s' $(1) $($(1))) 1309endef 1310 1311ifeq ($(feature_display),1) 1312 $(call feature_display_entries) 1313endif 1314 1315ifeq ($(VF),1) 1316 # Display EXTRA features which are detected manualy 1317 # from here with feature_check call and thus cannot 1318 # be partof global state output. 1319 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG))) 1320 $(call print_var,prefix) 1321 $(call print_var,bindir) 1322 $(call print_var,libdir) 1323 $(call print_var,sysconfdir) 1324 $(call print_var,LIBUNWIND_DIR) 1325 $(call print_var,LIBDW_DIR) 1326 $(call print_var,JDIR) 1327 1328 ifeq ($(dwarf-post-unwind),1) 1329 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG)) 1330 endif 1331endif 1332 1333$(info ) 1334 1335$(call detected_var,bindir_SQ) 1336$(call detected_var,PYTHON_WORD) 1337ifneq ($(OUTPUT),) 1338$(call detected_var,OUTPUT) 1339endif 1340$(call detected_var,htmldir_SQ) 1341$(call detected_var,infodir_SQ) 1342$(call detected_var,mandir_SQ) 1343$(call detected_var,ETC_PERFCONFIG_SQ) 1344$(call detected_var,STRACE_GROUPS_DIR_SQ) 1345$(call detected_var,prefix_SQ) 1346$(call detected_var,perfexecdir_SQ) 1347$(call detected_var,libbpf_include_dir_SQ) 1348$(call detected_var,perf_examples_dir_SQ) 1349$(call detected_var,tipdir_SQ) 1350$(call detected_var,srcdir_SQ) 1351$(call detected_var,LIBDIR) 1352$(call detected_var,GTK_CFLAGS) 1353$(call detected_var,PERL_EMBED_CCOPTS) 1354$(call detected_var,PYTHON_EMBED_CCOPTS) 1355ifneq ($(BISON_FILE_PREFIX_MAP),) 1356$(call detected_var,BISON_FILE_PREFIX_MAP) 1357endif 1358 1359# re-generate FEATURE-DUMP as we may have called feature_check, found out 1360# extra libraries to add to LDFLAGS of some other test and then redo those 1361# tests, see the block about libbfd, disassembler-four-args, for instance. 1362$(shell rm -f $(FEATURE_DUMP_FILENAME)) 1363$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) 1364