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 $(SRCARCH),powerpc s390 mips loongarch)) 35 NO_SYSCALL_TABLE := 0 36 endif 37 38 # architectures that use the generic syscall table scripts 39 ifneq ($(filter $(SRCARCH), $(generic_syscall_table_archs)),) 40 NO_SYSCALL_TABLE := 0 41 CFLAGS += -DGENERIC_SYSCALL_TABLE 42 CFLAGS += -I$(OUTPUT)arch/$(SRCARCH)/include/generated 43 endif 44 45 ifneq ($(NO_SYSCALL_TABLE),1) 46 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT 47 endif 48endif 49 50# Additional ARCH settings for ppc 51ifeq ($(SRCARCH),powerpc) 52 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated 53 ifndef NO_LIBUNWIND 54 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64 55 endif 56endif 57 58# Additional ARCH settings for x86 59ifeq ($(SRCARCH),x86) 60 $(call detected,CONFIG_X86) 61 ifeq (${IS_64_BIT}, 1) 62 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT 63 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S 64 ifndef NO_LIBUNWIND 65 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma 66 endif 67 $(call detected,CONFIG_X86_64) 68 else 69 ifndef NO_LIBUNWIND 70 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind 71 endif 72 endif 73endif 74 75ifeq ($(SRCARCH),arm) 76 ifndef NO_LIBUNWIND 77 LIBUNWIND_LIBS = -lunwind -lunwind-arm 78 endif 79endif 80 81ifeq ($(SRCARCH),arm64) 82 ifndef NO_LIBUNWIND 83 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64 84 endif 85endif 86 87ifeq ($(SRCARCH),loongarch) 88 CFLAGS += -I$(OUTPUT)arch/loongarch/include/generated 89 ifndef NO_LIBUNWIND 90 LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64 91 endif 92endif 93 94ifeq ($(ARCH),s390) 95 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated 96endif 97 98ifeq ($(ARCH),mips) 99 CFLAGS += -I$(OUTPUT)arch/mips/include/generated 100 ifndef NO_LIBUNWIND 101 LIBUNWIND_LIBS = -lunwind -lunwind-mips 102 endif 103endif 104 105# So far there's only x86 and arm libdw unwind support merged in perf. 106# Disable it on all other architectures in case libdw unwind 107# support is detected in system. Add supported architectures 108# to the check. 109ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv loongarch)) 110 NO_LIBDW_DWARF_UNWIND := 1 111endif 112 113ifneq ($(LIBUNWIND),1) 114 NO_LIBUNWIND := 1 115endif 116 117ifeq ($(LIBUNWIND_LIBS),) 118 NO_LIBUNWIND := 1 119endif 120# 121# For linking with debug library, run like: 122# 123# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/ 124# 125 126libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code)) 127define libunwind_arch_set_flags_code 128 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include 129 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib 130endef 131 132ifdef LIBUNWIND_DIR 133 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include 134 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib 135 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64 loongarch 136 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch))) 137endif 138 139ifndef NO_LIBUNWIND 140 # Set per-feature check compilation flags 141 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS) 142 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 143 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS) 144 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 145 146 FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm 147 FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64 148 FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86 149 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64 150endif 151 152FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto 153 154ifdef CSINCLUDES 155 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES) 156endif 157OPENCSDLIBS := -lopencsd_c_api -lopencsd 158ifeq ($(findstring -static,${LDFLAGS}),-static) 159 OPENCSDLIBS += -lstdc++ 160endif 161ifdef CSLIBS 162 LIBOPENCSD_LDFLAGS := -L$(CSLIBS) 163endif 164FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS) 165FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS) 166 167# for linking with debug library, run like: 168# make DEBUG=1 LIBDW_DIR=/opt/libdw/ 169ifdef LIBDW_DIR 170 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include 171 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib 172endif 173DWARFLIBS := -ldw 174ifeq ($(findstring -static,${LDFLAGS}),-static) 175 DWARFLIBS += -lelf -lz -llzma -lbz2 176 177 LIBDW_VERSION := $(shell $(PKG_CONFIG) --modversion libdw).0.0 178 LIBDW_VERSION_1 := $(word 1, $(subst ., ,$(LIBDW_VERSION))) 179 LIBDW_VERSION_2 := $(word 2, $(subst ., ,$(LIBDW_VERSION))) 180 181 # Elfutils merged libebl.a into libdw.a starting from version 0.177, 182 # Link libebl.a only if libdw is older than this version. 183 ifeq ($(shell test $(LIBDW_VERSION_2) -lt 177; echo $$?),0) 184 DWARFLIBS += -lebl 185 endif 186 187 # Must put -ldl after -lebl for dependency 188 DWARFLIBS += -ldl 189endif 190FEATURE_CHECK_CFLAGS-libdw := $(LIBDW_CFLAGS) 191FEATURE_CHECK_LDFLAGS-libdw := $(LIBDW_LDFLAGS) $(DWARFLIBS) 192 193# for linking with debug library, run like: 194# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/ 195ifdef LIBBABELTRACE_DIR 196 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include 197 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib 198endif 199FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS) 200FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf 201 202# for linking with debug library, run like: 203# make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/ 204ifdef LIBCAPSTONE_DIR 205 LIBCAPSTONE_CFLAGS := -I$(LIBCAPSTONE_DIR)/include 206 LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/ 207endif 208FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPSTONE_CFLAGS) 209FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPSTONE_LDFLAGS) -lcapstone 210 211ifdef LIBZSTD_DIR 212 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib 213 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib 214endif 215FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS) 216FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS) 217 218# for linking with debug library, run like: 219# make DEBUG=1 PKG_CONFIG_PATH=/opt/libtraceevent/(lib|lib64)/pkgconfig 220 221ifneq ($(NO_LIBTRACEEVENT),1) 222 ifeq ($(call get-executable,$(PKG_CONFIG)),) 223 $(error Error: $(PKG_CONFIG) needed by libtraceevent is missing on this system, please install it) 224 endif 225endif 226 227FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi 228# include ARCH specific config 229-include $(src-perf)/arch/$(SRCARCH)/Makefile 230 231include $(srctree)/tools/scripts/utilities.mak 232 233ifeq ($(call get-executable,$(FLEX)),) 234 $(error Error: $(FLEX) is missing on this system, please install it) 235endif 236 237ifeq ($(call get-executable,$(BISON)),) 238 $(error Error: $(BISON) is missing on this system, please install it) 239endif 240 241ifneq ($(OUTPUT),) 242 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1) 243 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)= 244 endif 245endif 246 247# Treat warnings as errors unless directed not to 248ifneq ($(WERROR),0) 249 CORE_CFLAGS += -Werror 250 CXXFLAGS += -Werror 251 HOSTCFLAGS += -Werror 252endif 253 254ifndef DEBUG 255 DEBUG := 0 256endif 257 258ifeq ($(DEBUG),0) 259CORE_CFLAGS += -DNDEBUG=1 260CORE_CFLAGS += -O3 261else 262 CORE_CFLAGS += -g 263 CXXFLAGS += -g 264endif 265 266ifdef PARSER_DEBUG 267 PARSER_DEBUG_BISON := -t 268 PARSER_DEBUG_FLEX := -d 269 CFLAGS += -DPARSER_DEBUG 270 $(call detected_var,PARSER_DEBUG_BISON) 271 $(call detected_var,PARSER_DEBUG_FLEX) 272endif 273 274ifdef LTO 275 CORE_CFLAGS += -flto 276 CXXFLAGS += -flto 277endif 278 279# Try different combinations to accommodate systems that only have 280# python[2][3]-config in weird combinations in the following order of 281# priority from lowest to highest: 282# * python2-config as per pep-0394. 283# * python-config 284# * python3-config 285# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't) 286# 287PYTHON_AUTO := python-config 288PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO)) 289PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO)) 290PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO)) 291 292# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user 293# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist. 294ifdef PYTHON 295 ifndef PYTHON_CONFIG 296 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config) 297 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\ 298 $(call $(error $(PYTHON)-config not found))) 299 endif 300endif 301 302# Select either auto detected python and python-config or use user supplied values if they are 303# defined. get-executable-or-default fails with an error if the first argument is supplied but 304# doesn't exist. 305override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO)) 306override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG))) 307 308grep-libs = $(filter -l%,$(1)) 309strip-libs = $(filter-out -l%,$(1)) 310 311PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG)) 312 313# Python 3.8 changed the output of `python-config --ldflags` to not include the 314# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for 315# libpython fails if that flag is not included in LDFLAGS 316ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0) 317 PYTHON_CONFIG_LDFLAGS := --ldflags --embed 318else 319 PYTHON_CONFIG_LDFLAGS := --ldflags 320endif 321 322ifdef PYTHON_CONFIG 323 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null) 324 # Update the python flags for cross compilation 325 ifdef CROSS_COMPILE 326 PYTHON_NATIVE := $(shell echo $(PYTHON_EMBED_LDOPTS) | sed 's/\(-L.*\/\)\(.*-linux-gnu\).*/\2/') 327 PYTHON_EMBED_LDOPTS := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EMBED_LDOPTS)) 328 endif 329 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS)) 330 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil 331 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null) 332 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS) 333 ifeq ($(CC_NO_CLANG), 0) 334 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS)) 335 endif 336endif 337 338FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS) 339FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS) 340 341FEATURE_CHECK_LDFLAGS-libaio = -lrt 342 343FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl 344FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl 345 346CORE_CFLAGS += -fno-omit-frame-pointer 347CORE_CFLAGS += -Wall 348CORE_CFLAGS += -Wextra 349CORE_CFLAGS += -std=gnu11 350 351CXXFLAGS += -std=gnu++17 -fno-exceptions -fno-rtti 352CXXFLAGS += -Wall 353CXXFLAGS += -Wextra 354CXXFLAGS += -fno-omit-frame-pointer 355 356HOSTCFLAGS += -Wall 357HOSTCFLAGS += -Wextra 358 359# Enforce a non-executable stack, as we may regress (again) in the future by 360# adding assembler files missing the .GNU-stack linker note. 361LDFLAGS += -Wl,-z,noexecstack 362 363EXTLIBS = -lpthread -lrt -lm -ldl 364 365ifneq ($(TCMALLOC),) 366 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free 367 EXTLIBS += -ltcmalloc 368endif 369 370ifeq ($(FEATURES_DUMP),) 371# We will display at the end of this Makefile.config, using $(call feature_display_entries) 372# As we may retry some feature detection here, see the disassembler-four-args case, for instance 373 FEATURE_DISPLAY_DEFERRED := 1 374include $(srctree)/tools/build/Makefile.feature 375else 376include $(FEATURES_DUMP) 377endif 378 379ifeq ($(feature-stackprotector-all), 1) 380 CORE_CFLAGS += -fstack-protector-all 381endif 382 383ifeq ($(DEBUG),0) 384 ifeq ($(feature-fortify-source), 1) 385 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 386 endif 387endif 388 389INC_FLAGS += -I$(src-perf)/util/include 390INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include 391INC_FLAGS += -I$(srctree)/tools/include/ 392INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi 393INC_FLAGS += -I$(srctree)/tools/include/uapi 394INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/ 395INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/ 396 397# $(obj-perf) for generated common-cmds.h 398# $(obj-perf)/util for generated bison/flex headers 399ifneq ($(OUTPUT),) 400INC_FLAGS += -I$(obj-perf)/util 401INC_FLAGS += -I$(obj-perf) 402endif 403 404INC_FLAGS += -I$(src-perf)/util 405INC_FLAGS += -I$(src-perf) 406 407CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE 408 409CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS) 410CXXFLAGS += $(INC_FLAGS) 411 412LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS) 413 414ifeq ($(feature-pthread-attr-setaffinity-np), 1) 415 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP 416endif 417 418ifeq ($(feature-pthread-barrier), 1) 419 CFLAGS += -DHAVE_PTHREAD_BARRIER 420endif 421 422ifndef NO_BIONIC 423 $(call feature_check,bionic) 424 ifeq ($(feature-bionic), 1) 425 BIONIC := 1 426 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE 427 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE 428 EXTLIBS := $(filter-out -lrt,$(EXTLIBS)) 429 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS)) 430 endif 431endif 432 433ifeq ($(feature-eventfd), 1) 434 CFLAGS += -DHAVE_EVENTFD_SUPPORT 435endif 436 437ifeq ($(feature-get_current_dir_name), 1) 438 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME 439endif 440 441ifeq ($(feature-gettid), 1) 442 CFLAGS += -DHAVE_GETTID 443endif 444 445ifeq ($(feature-file-handle), 1) 446 CFLAGS += -DHAVE_FILE_HANDLE 447endif 448 449ifdef NO_LIBELF 450 NO_LIBDW := 1 451 NO_LIBUNWIND := 1 452 NO_LIBDW_DWARF_UNWIND := 1 453 NO_LIBBPF := 1 454 NO_JVMTI := 1 455else 456 ifeq ($(feature-libelf), 0) 457 ifeq ($(feature-glibc), 1) 458 LIBC_SUPPORT := 1 459 endif 460 ifeq ($(BIONIC),1) 461 LIBC_SUPPORT := 1 462 endif 463 ifeq ($(LIBC_SUPPORT),1) 464 $(error ERROR: No libelf found. Disables 'probe' tool, jvmti and BPF support. Please install libelf-dev, libelf-devel, elfutils-libelf-devel or build with NO_LIBELF=1.) 465 else 466 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),) 467 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0) 468 $(error No libasan found, please install libasan) 469 endif 470 endif 471 472 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),) 473 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0) 474 $(error No libubsan found, please install libubsan) 475 endif 476 endif 477 478 ifneq ($(filter s% -static%,$(LDFLAGS),),) 479 $(error No static glibc found, please install glibc-static) 480 else 481 $(error No gnu/libc-version.h found, please install glibc-dev[el]) 482 endif 483 endif 484 else 485 ifneq ($(feature-libdw), 1) 486 ifndef NO_LIBDW 487 $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.157, disables dwarf support. Please install new elfutils-devel/libdw-dev) 488 NO_LIBDW := 1 489 endif 490 endif # Dwarf support 491 endif # libelf support 492endif # NO_LIBELF 493 494ifeq ($(feature-libaio), 1) 495 ifndef NO_AIO 496 CFLAGS += -DHAVE_AIO_SUPPORT 497 endif 498endif 499 500ifdef NO_LIBDW 501 NO_LIBDW_DWARF_UNWIND := 1 502endif 503 504ifeq ($(feature-scandirat), 1) 505 # Ignore having scandirat with memory sanitizer that lacks an interceptor. 506 ifeq ($(filter s% -fsanitize=memory%,$(EXTRA_CFLAGS),),) 507 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT 508 endif 509endif 510 511ifeq ($(feature-sched_getcpu), 1) 512 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT 513endif 514 515ifeq ($(feature-setns), 1) 516 CFLAGS += -DHAVE_SETNS_SUPPORT 517 $(call detected,CONFIG_SETNS) 518endif 519 520ifdef CORESIGHT 521 $(call feature_check,libopencsd) 522 ifeq ($(feature-libopencsd), 1) 523 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS) 524 ifeq ($(feature-reallocarray), 0) 525 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 526 endif 527 LDFLAGS += $(LIBOPENCSD_LDFLAGS) 528 EXTLIBS += $(OPENCSDLIBS) 529 $(call detected,CONFIG_LIBOPENCSD) 530 ifdef CSTRACE_RAW 531 CFLAGS += -DCS_DEBUG_RAW 532 ifeq (${CSTRACE_RAW}, packed) 533 CFLAGS += -DCS_RAW_PACKED 534 endif 535 endif 536 else 537 $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1) 538 endif 539endif 540 541ifndef NO_ZLIB 542 ifeq ($(feature-zlib), 1) 543 CFLAGS += -DHAVE_ZLIB_SUPPORT 544 EXTLIBS += -lz 545 $(call detected,CONFIG_ZLIB) 546 else 547 NO_ZLIB := 1 548 endif 549endif 550 551ifndef NO_LIBELF 552 CFLAGS += -DHAVE_LIBELF_SUPPORT 553 EXTLIBS += -lelf 554 $(call detected,CONFIG_LIBELF) 555 556 ifeq ($(feature-libelf-getphdrnum), 1) 557 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT 558 endif 559 560 ifeq ($(feature-libelf-gelf_getnote), 1) 561 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT 562 else 563 $(warning gelf_getnote() not found on libelf, SDT support disabled) 564 endif 565 566 ifeq ($(feature-libelf-getshdrstrndx), 1) 567 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT 568 endif 569 570 ifeq ($(feature-libelf-zstd), 1) 571 ifdef NO_LIBZSTD 572 $(error Error: libzstd is required by libelf, please do not set NO_LIBZSTD) 573 endif 574 endif 575 576 ifndef NO_LIBDEBUGINFOD 577 $(call feature_check,libdebuginfod) 578 ifeq ($(feature-libdebuginfod), 1) 579 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT 580 EXTLIBS += -ldebuginfod 581 endif 582 endif 583 584 ifndef NO_LIBDW 585 CFLAGS += -DHAVE_LIBDW_SUPPORT $(LIBDW_CFLAGS) 586 LDFLAGS += $(LIBDW_LDFLAGS) 587 EXTLIBS += ${DWARFLIBS} 588 $(call detected,CONFIG_LIBDW) 589 endif # NO_LIBDW 590 591 ifndef NO_LIBBPF 592 ifeq ($(feature-bpf), 1) 593 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status 594 $(call feature_check,libbpf) 595 596 ifdef LIBBPF_DYNAMIC 597 ifeq ($(feature-libbpf), 1) 598 EXTLIBS += -lbpf 599 CFLAGS += -DHAVE_LIBBPF_SUPPORT 600 $(call detected,CONFIG_LIBBPF) 601 $(call detected,CONFIG_LIBBPF_DYNAMIC) 602 else 603 $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel) 604 endif 605 else 606 ifeq ($(NO_ZLIB), 1) 607 $(warning Warning: Statically building libbpf not possible as zlib is missing) 608 NO_LIBBPF := 1 609 else 610 # Libbpf will be built as a static library from tools/lib/bpf. 611 LIBBPF_STATIC := 1 612 $(call detected,CONFIG_LIBBPF) 613 CFLAGS += -DHAVE_LIBBPF_SUPPORT 614 endif 615 endif 616 endif 617 endif # NO_LIBBPF 618endif # NO_LIBELF 619 620ifndef NO_SDT 621 ifneq ($(feature-sdt), 1) 622 $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev) 623 NO_SDT := 1; 624 else 625 CFLAGS += -DHAVE_SDT_EVENT 626 $(call detected,CONFIG_SDT_EVENT) 627 endif 628endif 629 630ifdef PERF_HAVE_JITDUMP 631 ifndef NO_LIBELF 632 $(call detected,CONFIG_JITDUMP) 633 CFLAGS += -DHAVE_JITDUMP 634 endif 635endif 636 637ifeq ($(SRCARCH),powerpc) 638 ifndef NO_LIBDW 639 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX 640 endif 641endif 642 643ifndef NO_LIBUNWIND 644 have_libunwind := 645 646 $(call feature_check,libunwind-x86) 647 ifeq ($(feature-libunwind-x86), 1) 648 $(call detected,CONFIG_LIBUNWIND_X86) 649 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT 650 LDFLAGS += -lunwind-x86 651 EXTLIBS_LIBUNWIND += -lunwind-x86 652 have_libunwind = 1 653 endif 654 655 $(call feature_check,libunwind-aarch64) 656 ifeq ($(feature-libunwind-aarch64), 1) 657 $(call detected,CONFIG_LIBUNWIND_AARCH64) 658 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT 659 LDFLAGS += -lunwind-aarch64 660 EXTLIBS_LIBUNWIND += -lunwind-aarch64 661 have_libunwind = 1 662 $(call feature_check,libunwind-debug-frame-aarch64) 663 ifneq ($(feature-libunwind-debug-frame-aarch64), 1) 664 $(warning No debug_frame support found in libunwind-aarch64) 665 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64 666 endif 667 endif 668 669 ifneq ($(feature-libunwind), 1) 670 $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR) 671 NO_LOCAL_LIBUNWIND := 1 672 else 673 have_libunwind := 1 674 $(call detected,CONFIG_LOCAL_LIBUNWIND) 675 endif 676 677 ifneq ($(have_libunwind), 1) 678 NO_LIBUNWIND := 1 679 endif 680else 681 NO_LOCAL_LIBUNWIND := 1 682endif 683 684ifndef NO_LIBBPF 685 ifneq ($(feature-bpf), 1) 686 $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) 687 NO_LIBBPF := 1 688 endif 689endif 690 691ifndef BUILD_BPF_SKEL 692 # BPF skeletons control a large number of perf features, by default 693 # they are enabled. 694 BUILD_BPF_SKEL := 1 695endif 696 697ifeq ($(BUILD_BPF_SKEL),1) 698 ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),) 699 $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool) 700 BUILD_BPF_SKEL := 0 701 else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),) 702 $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool) 703 BUILD_BPF_SKEL := 0 704 else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) 705 $(warning Warning: Disabled BPF skeletons as libbpf is required) 706 BUILD_BPF_SKEL := 0 707 else ifeq ($(call get-executable,$(CLANG)),) 708 $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing) 709 BUILD_BPF_SKEL := 0 710 else 711 CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g') 712 ifeq ($(call version-lt3,$(CLANG_VERSION),12.0.1),1) 713 $(warning Warning: Disabled BPF skeletons as reliable BTF generation needs at least $(CLANG) version 12.0.1) 714 BUILD_BPF_SKEL := 0 715 endif 716 endif 717 ifeq ($(BUILD_BPF_SKEL),1) 718 $(call feature_check,clang-bpf-co-re) 719 ifeq ($(feature-clang-bpf-co-re), 0) 720 $(warning Warning: Disabled BPF skeletons as clang is too old) 721 BUILD_BPF_SKEL := 0 722 endif 723 endif 724 ifeq ($(BUILD_BPF_SKEL),1) 725 $(call detected,CONFIG_PERF_BPF_SKEL) 726 CFLAGS += -DHAVE_BPF_SKEL 727 endif 728endif 729 730ifndef GEN_VMLINUX_H 731 VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h 732endif 733 734dwarf-post-unwind := 1 735dwarf-post-unwind-text := BUG 736 737# setup DWARF post unwinder 738ifdef NO_LIBUNWIND 739 ifdef NO_LIBDW_DWARF_UNWIND 740 $(warning Disabling post unwind, no support found.) 741 dwarf-post-unwind := 0 742 else 743 dwarf-post-unwind-text := libdw 744 $(call detected,CONFIG_LIBDW_DWARF_UNWIND) 745 endif 746else 747 dwarf-post-unwind-text := libunwind 748 $(call detected,CONFIG_LIBUNWIND) 749 # Enable libunwind support by default. 750 ifndef NO_LIBDW_DWARF_UNWIND 751 NO_LIBDW_DWARF_UNWIND := 1 752 endif 753endif 754 755ifeq ($(dwarf-post-unwind),1) 756 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT 757 $(call detected,CONFIG_DWARF_UNWIND) 758endif 759 760ifndef NO_LIBUNWIND 761 ifndef NO_LOCAL_LIBUNWIND 762 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64)) 763 $(call feature_check,libunwind-debug-frame) 764 ifneq ($(feature-libunwind-debug-frame), 1) 765 $(warning No debug_frame support found in libunwind) 766 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 767 endif 768 else 769 # non-ARM has no dwarf_find_debug_frame() function: 770 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 771 endif 772 EXTLIBS += $(LIBUNWIND_LIBS) 773 LDFLAGS += $(LIBUNWIND_LIBS) 774 endif 775 ifeq ($(findstring -static,${LDFLAGS}),-static) 776 # gcc -static links libgcc_eh which contans piece of libunwind 777 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition 778 endif 779 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT 780 CFLAGS += $(LIBUNWIND_CFLAGS) 781 LDFLAGS += $(LIBUNWIND_LDFLAGS) 782 EXTLIBS += $(EXTLIBS_LIBUNWIND) 783endif 784 785ifneq ($(NO_LIBTRACEEVENT),1) 786 ifeq ($(NO_SYSCALL_TABLE),0) 787 $(call detected,CONFIG_TRACE) 788 else 789 ifndef NO_LIBAUDIT 790 $(call feature_check,libaudit) 791 ifneq ($(feature-libaudit), 1) 792 $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev) 793 NO_LIBAUDIT := 1 794 else 795 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT 796 EXTLIBS += -laudit 797 $(call detected,CONFIG_TRACE) 798 endif 799 endif 800 endif 801endif 802 803ifndef NO_LIBCRYPTO 804 ifneq ($(feature-libcrypto), 1) 805 $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev) 806 NO_LIBCRYPTO := 1 807 else 808 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT 809 EXTLIBS += -lcrypto 810 $(call detected,CONFIG_CRYPTO) 811 endif 812endif 813 814ifndef NO_SLANG 815 ifneq ($(feature-libslang), 1) 816 ifneq ($(feature-libslang-include-subdir), 1) 817 $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev) 818 NO_SLANG := 1 819 else 820 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR 821 endif 822 endif 823 ifndef NO_SLANG 824 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h 825 CFLAGS += -DHAVE_SLANG_SUPPORT 826 EXTLIBS += -lslang 827 $(call detected,CONFIG_SLANG) 828 endif 829endif 830 831ifdef GTK2 832 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) 833 $(call feature_check,gtk2) 834 ifneq ($(feature-gtk2), 1) 835 $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev) 836 NO_GTK2 := 1 837 else 838 $(call feature_check,gtk2-infobar) 839 ifeq ($(feature-gtk2-infobar), 1) 840 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT 841 endif 842 CFLAGS += -DHAVE_GTK2_SUPPORT 843 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) 844 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) 845 EXTLIBS += -ldl 846 endif 847endif 848 849ifdef NO_LIBPERL 850 CFLAGS += -DNO_LIBPERL 851else 852 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) 853 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) 854 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) 855 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) 856 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) 857 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) 858 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 859 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) 860 861 ifneq ($(feature-libperl), 1) 862 CFLAGS += -DNO_LIBPERL 863 NO_LIBPERL := 1 864 $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev) 865 else 866 LDFLAGS += $(PERL_EMBED_LDFLAGS) 867 EXTLIBS += $(PERL_EMBED_LIBADD) 868 CFLAGS += -DHAVE_LIBPERL_SUPPORT 869 ifeq ($(CC_NO_CLANG), 0) 870 CFLAGS += -Wno-compound-token-split-by-macro 871 endif 872 $(call detected,CONFIG_LIBPERL) 873 endif 874endif 875 876ifeq ($(feature-timerfd), 1) 877 CFLAGS += -DHAVE_TIMERFD_SUPPORT 878else 879 $(warning No timerfd support. Disables 'perf kvm stat live') 880endif 881 882disable-python = $(eval $(disable-python_code)) 883define disable-python_code 884 CFLAGS += -DNO_LIBPYTHON 885 $(warning $1) 886 NO_LIBPYTHON := 1 887endef 888 889PYTHON_EXTENSION_SUFFIX := '.so' 890ifdef NO_LIBPYTHON 891 $(call disable-python,Python support disabled by user) 892else 893 894 ifndef PYTHON 895 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev) 896 else 897 PYTHON_WORD := $(call shell-wordify,$(PYTHON)) 898 899 ifndef PYTHON_CONFIG 900 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) 901 else 902 903 ifneq ($(feature-libpython), 1) 904 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev) 905 else 906 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 907 EXTLIBS += $(PYTHON_EMBED_LIBADD) 908 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no") 909 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes) 910 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])') 911 ifdef CROSS_COMPILE 912 PYTHON_EXTENSION_SUFFIX := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EXTENSION_SUFFIX)) 913 endif 914 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX) 915 else 916 $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent) 917 endif 918 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT 919 $(call detected,CONFIG_LIBPYTHON) 920 ifeq ($(filter -fPIC,$(CFLAGS)),) 921 # Building a shared library requires position independent code. 922 CFLAGS += -fPIC 923 CXXFLAGS += -fPIC 924 endif 925 endif 926 endif 927 endif 928endif 929 930ifneq ($(NO_JEVENTS),1) 931 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),) 932 NO_JEVENTS := 1 933 endif 934endif 935ifneq ($(NO_JEVENTS),1) 936 NO_JEVENTS := 0 937 ifndef PYTHON 938 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.) 939 else 940 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016. 941 JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null) 942 ifneq ($(JEVENTS_PYTHON_GOOD), 1) 943 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.) 944 endif 945 endif 946endif 947 948ifdef BUILD_NONDISTRO 949 ifeq ($(feature-libbfd), 1) 950 EXTLIBS += -lbfd -lopcodes 951 else 952 # we are on a system that requires -liberty and (maybe) -lz 953 # to link against -lbfd; test each case individually here 954 955 # call all detections now so we get correct 956 # status in VF output 957 $(call feature_check,libbfd-liberty) 958 $(call feature_check,libbfd-liberty-z) 959 960 ifeq ($(feature-libbfd-liberty), 1) 961 EXTLIBS += -lbfd -lopcodes -liberty 962 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl 963 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl 964 else 965 ifeq ($(feature-libbfd-liberty-z), 1) 966 EXTLIBS += -lbfd -lopcodes -liberty -lz 967 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl 968 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl 969 endif 970 endif 971 $(call feature_check,disassembler-four-args) 972 $(call feature_check,disassembler-init-styled) 973 endif 974 975 CFLAGS += -DHAVE_LIBBFD_SUPPORT 976 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT 977 ifeq ($(feature-libbfd-buildid), 1) 978 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT 979 else 980 $(warning Old version of libbfd/binutils things like PE executable profiling will not be available) 981 endif 982endif 983 984ifndef NO_LIBLLVM 985 $(call feature_check,llvm-perf) 986 ifeq ($(feature-llvm-perf), 1) 987 CFLAGS += -DHAVE_LIBLLVM_SUPPORT 988 CFLAGS += $(shell $(LLVM_CONFIG) --cflags) 989 CXXFLAGS += -DHAVE_LIBLLVM_SUPPORT 990 CXXFLAGS += $(shell $(LLVM_CONFIG) --cxxflags) 991 LIBLLVM = $(shell $(LLVM_CONFIG) --libs all) $(shell $(LLVM_CONFIG) --system-libs) 992 EXTLIBS += -L$(shell $(LLVM_CONFIG) --libdir) $(LIBLLVM) 993 EXTLIBS += -lstdc++ 994 $(call detected,CONFIG_LIBLLVM) 995 else 996 $(warning No libllvm 13+ found, slower source file resolution, please install llvm-devel/llvm-dev) 997 NO_LIBLLVM := 1 998 endif 999endif 1000 1001ifndef NO_DEMANGLE 1002 $(call feature_check,cxa-demangle) 1003 ifeq ($(feature-cxa-demangle), 1) 1004 EXTLIBS += -lstdc++ 1005 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 1006 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 1007 $(call detected,CONFIG_CXX_DEMANGLE) 1008 endif 1009 ifdef BUILD_NONDISTRO 1010 ifeq ($(filter -liberty,$(EXTLIBS)),) 1011 $(call feature_check,cplus-demangle) 1012 ifeq ($(feature-cplus-demangle), 1) 1013 EXTLIBS += -liberty 1014 endif 1015 endif 1016 ifneq ($(filter -liberty,$(EXTLIBS)),) 1017 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 1018 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 1019 endif 1020 endif 1021endif 1022 1023ifndef NO_LZMA 1024 ifeq ($(feature-lzma), 1) 1025 CFLAGS += -DHAVE_LZMA_SUPPORT 1026 EXTLIBS += -llzma 1027 $(call detected,CONFIG_LZMA) 1028 else 1029 $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev) 1030 NO_LZMA := 1 1031 endif 1032endif 1033 1034ifndef NO_LIBZSTD 1035 ifeq ($(feature-libzstd), 1) 1036 CFLAGS += -DHAVE_ZSTD_SUPPORT 1037 CFLAGS += $(LIBZSTD_CFLAGS) 1038 LDFLAGS += $(LIBZSTD_LDFLAGS) 1039 EXTLIBS += -lzstd 1040 $(call detected,CONFIG_ZSTD) 1041 else 1042 $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR) 1043 NO_LIBZSTD := 1 1044 endif 1045endif 1046 1047ifndef NO_BACKTRACE 1048 ifeq ($(feature-backtrace), 1) 1049 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 1050 endif 1051endif 1052 1053ifndef NO_LIBNUMA 1054 ifeq ($(feature-libnuma), 0) 1055 $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev) 1056 NO_LIBNUMA := 1 1057 else 1058 ifeq ($(feature-numa_num_possible_cpus), 0) 1059 $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8) 1060 NO_LIBNUMA := 1 1061 else 1062 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 1063 EXTLIBS += -lnuma 1064 $(call detected,CONFIG_NUMA) 1065 endif 1066 endif 1067endif 1068 1069ifdef HAVE_KVM_STAT_SUPPORT 1070 CFLAGS += -DHAVE_KVM_STAT_SUPPORT 1071endif 1072 1073ifeq ($(feature-disassembler-four-args), 1) 1074 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 1075endif 1076 1077ifeq ($(feature-disassembler-init-styled), 1) 1078 CFLAGS += -DDISASM_INIT_STYLED 1079endif 1080 1081ifeq (${IS_64_BIT}, 1) 1082 ifndef NO_PERF_READ_VDSO32 1083 $(call feature_check,compile-32) 1084 ifeq ($(feature-compile-32), 1) 1085 CFLAGS += -DHAVE_PERF_READ_VDSO32 1086 else 1087 NO_PERF_READ_VDSO32 := 1 1088 endif 1089 endif 1090 ifneq ($(SRCARCH), x86) 1091 NO_PERF_READ_VDSOX32 := 1 1092 endif 1093 ifndef NO_PERF_READ_VDSOX32 1094 $(call feature_check,compile-x32) 1095 ifeq ($(feature-compile-x32), 1) 1096 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1097 else 1098 NO_PERF_READ_VDSOX32 := 1 1099 endif 1100 endif 1101else 1102 NO_PERF_READ_VDSO32 := 1 1103 NO_PERF_READ_VDSOX32 := 1 1104endif 1105 1106ifndef NO_LIBBABELTRACE 1107 $(call feature_check,libbabeltrace) 1108 ifeq ($(feature-libbabeltrace), 1) 1109 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS) 1110 LDFLAGS += $(LIBBABELTRACE_LDFLAGS) 1111 EXTLIBS += -lbabeltrace-ctf 1112 $(call detected,CONFIG_LIBBABELTRACE) 1113 else 1114 $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev) 1115 endif 1116endif 1117 1118ifndef NO_CAPSTONE 1119 $(call feature_check,libcapstone) 1120 ifeq ($(feature-libcapstone), 1) 1121 CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LIBCAPSTONE_CFLAGS) 1122 LDFLAGS += $(LICAPSTONE_LDFLAGS) 1123 EXTLIBS += -lcapstone 1124 $(call detected,CONFIG_LIBCAPSTONE) 1125 else 1126 msg := $(warning No libcapstone found, disables disasm engine support for 'perf script', please install libcapstone-dev/capstone-devel); 1127 endif 1128endif 1129 1130ifndef NO_AUXTRACE 1131 ifeq ($(SRCARCH),x86) 1132 ifeq ($(feature-get_cpuid), 0) 1133 $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc) 1134 NO_AUXTRACE := 1 1135 endif 1136 endif 1137 ifndef NO_AUXTRACE 1138 $(call detected,CONFIG_AUXTRACE) 1139 CFLAGS += -DHAVE_AUXTRACE_SUPPORT 1140 ifeq ($(feature-reallocarray), 0) 1141 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 1142 endif 1143 endif 1144endif 1145 1146ifdef EXTRA_TESTS 1147 $(call detected,CONFIG_EXTRA_TESTS) 1148 CFLAGS += -DHAVE_EXTRA_TESTS 1149endif 1150 1151ifndef NO_JVMTI 1152 ifneq (,$(wildcard /usr/sbin/update-java-alternatives)) 1153 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}') 1154 else 1155 ifneq (,$(wildcard /usr/sbin/alternatives)) 1156 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g') 1157 endif 1158 endif 1159 ifndef JDIR 1160 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory) 1161 NO_JVMTI := 1 1162 endif 1163endif 1164 1165ifndef NO_JVMTI 1166 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux 1167 $(call feature_check,jvmti) 1168 ifeq ($(feature-jvmti), 1) 1169 $(call detected_var,JDIR) 1170 ifndef NO_JVMTI_CMLR 1171 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti) 1172 $(call feature_check,jvmti-cmlr) 1173 ifeq ($(feature-jvmti-cmlr), 1) 1174 CFLAGS += -DHAVE_JVMTI_CMLR 1175 endif 1176 endif # NO_JVMTI_CMLR 1177 else 1178 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel) 1179 NO_JVMTI := 1 1180 endif 1181endif 1182 1183ifndef NO_LIBPFM4 1184 $(call feature_check,libpfm4) 1185 ifeq ($(feature-libpfm4), 1) 1186 CFLAGS += -DHAVE_LIBPFM 1187 EXTLIBS += -lpfm 1188 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 1189 $(call detected,CONFIG_LIBPFM4) 1190 else 1191 $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev) 1192 endif 1193endif 1194 1195# libtraceevent is a recommended dependency picked up from the system. 1196ifneq ($(NO_LIBTRACEEVENT),1) 1197 ifeq ($(feature-libtraceevent), 1) 1198 CFLAGS += -DHAVE_LIBTRACEEVENT $(shell $(PKG_CONFIG) --cflags libtraceevent) 1199 LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtraceevent) 1200 EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtraceevent) 1201 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent).0.0 1202 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1203 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1204 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1205 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3)) 1206 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP) 1207 $(call detected,CONFIG_LIBTRACEEVENT) 1208 else 1209 $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel and/or set LIBTRACEEVENT_DIR or build with NO_LIBTRACEEVENT=1) 1210 endif 1211 1212 ifeq ($(feature-libtracefs), 1) 1213 CFLAGS += $(shell $(PKG_CONFIG) --cflags libtracefs) 1214 LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtracefs) 1215 EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtracefs) 1216 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs).0.0 1217 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION))) 1218 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION))) 1219 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION))) 1220 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3)) 1221 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP) 1222 else 1223 $(warning libtracefs is missing. Please install libtracefs-dev/libtracefs-devel) 1224 endif 1225endif 1226 1227# Among the variables below, these: 1228# perfexecdir 1229# libbpf_include_dir 1230# perf_examples_dir 1231# template_dir 1232# mandir 1233# infodir 1234# htmldir 1235# ETC_PERFCONFIG (but not sysconfdir) 1236# can be specified as a relative path some/where/else; 1237# this is interpreted as relative to $(prefix) and "perf" at 1238# runtime figures out where they are based on the path to the executable. 1239# This can help installing the suite in a relocatable way. 1240 1241# Make the path relative to DESTDIR, not to prefix 1242ifndef DESTDIR 1243prefix ?= $(HOME) 1244endif 1245bindir_relative = bin 1246bindir = $(abspath $(prefix)/$(bindir_relative)) 1247includedir_relative = include 1248includedir = $(abspath $(prefix)/$(includedir_relative)) 1249mandir = share/man 1250infodir = share/info 1251perfexecdir = libexec/perf-core 1252# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance 1253libbpf_include_dir = /usr/include 1254perf_examples_dir = lib/perf/examples 1255sharedir = $(prefix)/share 1256template_dir = share/perf-core/templates 1257STRACE_GROUPS_DIR = share/perf-core/strace/groups 1258htmldir = share/doc/perf-doc 1259tipdir = share/doc/perf-tip 1260srcdir = $(srctree)/tools/perf 1261ifeq ($(prefix),/usr) 1262sysconfdir = /etc 1263ETC_PERFCONFIG = $(sysconfdir)/perfconfig 1264else 1265sysconfdir = $(prefix)/etc 1266ETC_PERFCONFIG = etc/perfconfig 1267endif 1268ifndef lib 1269ifeq ($(SRCARCH)$(IS_64_BIT), x861) 1270lib = lib64 1271else 1272lib = lib 1273endif 1274endif # lib 1275libdir = $(prefix)/$(lib) 1276 1277# Shell quote (do not use $(call) to accommodate ancient setups); 1278ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) 1279STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR)) 1280DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) 1281bindir_SQ = $(subst ','\'',$(bindir)) 1282includedir_SQ = $(subst ','\'',$(includedir)) 1283mandir_SQ = $(subst ','\'',$(mandir)) 1284infodir_SQ = $(subst ','\'',$(infodir)) 1285perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) 1286libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir)) 1287perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir)) 1288template_dir_SQ = $(subst ','\'',$(template_dir)) 1289htmldir_SQ = $(subst ','\'',$(htmldir)) 1290tipdir_SQ = $(subst ','\'',$(tipdir)) 1291prefix_SQ = $(subst ','\'',$(prefix)) 1292sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) 1293libdir_SQ = $(subst ','\'',$(libdir)) 1294srcdir_SQ = $(subst ','\'',$(srcdir)) 1295 1296ifneq ($(filter /%,$(firstword $(perfexecdir))),) 1297perfexec_instdir = $(perfexecdir) 1298perf_include_instdir = $(libbpf_include_dir) 1299perf_examples_instdir = $(perf_examples_dir) 1300STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) 1301tip_instdir = $(tipdir) 1302else 1303perfexec_instdir = $(prefix)/$(perfexecdir) 1304perf_include_instdir = $(prefix)/$(libbpf_include_dir) 1305perf_examples_instdir = $(prefix)/$(perf_examples_dir) 1306STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) 1307tip_instdir = $(prefix)/$(tipdir) 1308endif 1309perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) 1310perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir)) 1311perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir)) 1312STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) 1313tip_instdir_SQ = $(subst ','\'',$(tip_instdir)) 1314 1315export perfexec_instdir_SQ 1316 1317print_var = $(eval $(print_var_code)) $(info $(MSG)) 1318define print_var_code 1319 MSG = $(shell printf '...%40s: %s' $(1) $($(1))) 1320endef 1321 1322ifeq ($(feature_display),1) 1323 $(call feature_display_entries) 1324endif 1325 1326ifeq ($(VF),1) 1327 # Display EXTRA features which are detected manualy 1328 # from here with feature_check call and thus cannot 1329 # be partof global state output. 1330 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG))) 1331 $(call print_var,prefix) 1332 $(call print_var,bindir) 1333 $(call print_var,libdir) 1334 $(call print_var,sysconfdir) 1335 $(call print_var,LIBUNWIND_DIR) 1336 $(call print_var,LIBDW_DIR) 1337 $(call print_var,JDIR) 1338 1339 ifeq ($(dwarf-post-unwind),1) 1340 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG)) 1341 endif 1342endif 1343 1344$(info ) 1345 1346$(call detected_var,bindir_SQ) 1347$(call detected_var,PYTHON_WORD) 1348ifneq ($(OUTPUT),) 1349$(call detected_var,OUTPUT) 1350endif 1351$(call detected_var,htmldir_SQ) 1352$(call detected_var,infodir_SQ) 1353$(call detected_var,mandir_SQ) 1354$(call detected_var,ETC_PERFCONFIG_SQ) 1355$(call detected_var,STRACE_GROUPS_DIR_SQ) 1356$(call detected_var,prefix_SQ) 1357$(call detected_var,perfexecdir_SQ) 1358$(call detected_var,libbpf_include_dir_SQ) 1359$(call detected_var,perf_examples_dir_SQ) 1360$(call detected_var,tipdir_SQ) 1361$(call detected_var,srcdir_SQ) 1362$(call detected_var,LIBDIR) 1363$(call detected_var,GTK_CFLAGS) 1364$(call detected_var,PERL_EMBED_CCOPTS) 1365$(call detected_var,PYTHON_EMBED_CCOPTS) 1366ifneq ($(BISON_FILE_PREFIX_MAP),) 1367$(call detected_var,BISON_FILE_PREFIX_MAP) 1368endif 1369 1370# re-generate FEATURE-DUMP as we may have called feature_check, found out 1371# extra libraries to add to LDFLAGS of some other test and then redo those 1372# tests, see the block about libbfd, disassembler-four-args, for instance. 1373$(shell rm -f $(FEATURE_DUMP_FILENAME)) 1374$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) 1375