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 31NO_PERF_REGS := 1 32 33ifneq ($(NO_SYSCALL_TABLE),1) 34 NO_SYSCALL_TABLE := 1 35 36 ifeq ($(SRCARCH),x86) 37 ifeq (${IS_64_BIT}, 1) 38 NO_SYSCALL_TABLE := 0 39 endif 40 else 41 ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390 mips loongarch)) 42 NO_SYSCALL_TABLE := 0 43 endif 44 endif 45 46 ifneq ($(NO_SYSCALL_TABLE),1) 47 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT 48 endif 49endif 50 51# Additional ARCH settings for ppc 52ifeq ($(SRCARCH),powerpc) 53 NO_PERF_REGS := 0 54 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated 55 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64 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 -I$(OUTPUT)arch/x86/include/generated 63 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S 64 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma 65 $(call detected,CONFIG_X86_64) 66 else 67 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind 68 endif 69 NO_PERF_REGS := 0 70endif 71 72ifeq ($(SRCARCH),arm) 73 NO_PERF_REGS := 0 74 LIBUNWIND_LIBS = -lunwind -lunwind-arm 75endif 76 77ifeq ($(SRCARCH),arm64) 78 NO_PERF_REGS := 0 79 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated 80 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64 81endif 82 83ifeq ($(SRCARCH),loongarch) 84 NO_PERF_REGS := 0 85 CFLAGS += -I$(OUTPUT)arch/loongarch/include/generated 86 LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64 87endif 88 89ifeq ($(SRCARCH),riscv) 90 NO_PERF_REGS := 0 91endif 92 93ifeq ($(SRCARCH),csky) 94 NO_PERF_REGS := 0 95endif 96 97ifeq ($(ARCH),s390) 98 NO_PERF_REGS := 0 99 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated 100endif 101 102ifeq ($(ARCH),mips) 103 NO_PERF_REGS := 0 104 CFLAGS += -I$(OUTPUT)arch/mips/include/generated 105 LIBUNWIND_LIBS = -lunwind -lunwind-mips 106endif 107 108ifeq ($(NO_PERF_REGS),0) 109 $(call detected,CONFIG_PERF_REGS) 110endif 111 112# So far there's only x86 and arm libdw unwind support merged in perf. 113# Disable it on all other architectures in case libdw unwind 114# support is detected in system. Add supported architectures 115# to the check. 116ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv loongarch)) 117 NO_LIBDW_DWARF_UNWIND := 1 118endif 119 120ifeq ($(LIBUNWIND_LIBS),) 121 NO_LIBUNWIND := 1 122endif 123# 124# For linking with debug library, run like: 125# 126# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/ 127# 128 129libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code)) 130define libunwind_arch_set_flags_code 131 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include 132 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib 133endef 134 135ifdef LIBUNWIND_DIR 136 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include 137 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib 138 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64 loongarch 139 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch))) 140endif 141 142# Set per-feature check compilation flags 143FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS) 144FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 145FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS) 146FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 147 148FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm 149FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64 150FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86 151FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64 152 153FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto 154 155ifdef CSINCLUDES 156 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES) 157endif 158OPENCSDLIBS := -lopencsd_c_api -lopencsd 159ifeq ($(findstring -static,${LDFLAGS}),-static) 160 OPENCSDLIBS += -lstdc++ 161endif 162ifdef CSLIBS 163 LIBOPENCSD_LDFLAGS := -L$(CSLIBS) 164endif 165FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS) 166FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS) 167 168ifeq ($(NO_PERF_REGS),0) 169 CFLAGS += -DHAVE_PERF_REGS_SUPPORT 170endif 171 172# for linking with debug library, run like: 173# make DEBUG=1 LIBDW_DIR=/opt/libdw/ 174ifdef LIBDW_DIR 175 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include 176 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib 177endif 178DWARFLIBS := -ldw 179ifeq ($(findstring -static,${LDFLAGS}),-static) 180 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2 181endif 182FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS) 183FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS) 184 185# for linking with debug library, run like: 186# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/ 187ifdef LIBBABELTRACE_DIR 188 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include 189 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib 190endif 191FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS) 192FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf 193 194ifdef LIBZSTD_DIR 195 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib 196 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib 197endif 198FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS) 199FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS) 200 201FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi 202# include ARCH specific config 203-include $(src-perf)/arch/$(SRCARCH)/Makefile 204 205ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 206 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 207endif 208 209include $(srctree)/tools/scripts/utilities.mak 210 211ifeq ($(call get-executable,$(FLEX)),) 212 dummy := $(error Error: $(FLEX) is missing on this system, please install it) 213endif 214 215ifeq ($(call get-executable,$(BISON)),) 216 dummy := $(error Error: $(BISON) is missing on this system, please install it) 217endif 218 219ifneq ($(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 msg := $(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 msg := $(error No libasan found, please install libasan); 446 endif 447 endif 448 449 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),) 450 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0) 451 msg := $(error No libubsan found, please install libubsan); 452 endif 453 endif 454 455 ifneq ($(filter s% -static%,$(LDFLAGS),),) 456 msg := $(error No static glibc found, please install glibc-static); 457 else 458 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]); 459 endif 460 endif 461 else 462 ifndef NO_LIBDW_DWARF_UNWIND 463 ifneq ($(feature-libdw-dwarf-unwind),1) 464 NO_LIBDW_DWARF_UNWIND := 1 465 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR); 466 endif 467 endif 468 ifneq ($(feature-dwarf), 1) 469 ifndef NO_DWARF 470 msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev); 471 NO_DWARF := 1 472 endif 473 else 474 ifneq ($(feature-dwarf_getlocations), 1) 475 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157); 476 else 477 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT 478 endif # dwarf_getlocations 479 endif # Dwarf support 480 endif # libelf support 481endif # NO_LIBELF 482 483ifeq ($(feature-libaio), 1) 484 ifndef NO_AIO 485 CFLAGS += -DHAVE_AIO_SUPPORT 486 endif 487endif 488 489ifdef NO_DWARF 490 NO_LIBDW_DWARF_UNWIND := 1 491endif 492 493ifeq ($(feature-scandirat), 1) 494 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT 495endif 496 497ifeq ($(feature-sched_getcpu), 1) 498 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT 499endif 500 501ifeq ($(feature-setns), 1) 502 CFLAGS += -DHAVE_SETNS_SUPPORT 503 $(call detected,CONFIG_SETNS) 504endif 505 506ifdef CORESIGHT 507 $(call feature_check,libopencsd) 508 ifeq ($(feature-libopencsd), 1) 509 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS) 510 ifeq ($(feature-reallocarray), 0) 511 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 512 endif 513 LDFLAGS += $(LIBOPENCSD_LDFLAGS) 514 EXTLIBS += $(OPENCSDLIBS) 515 $(call detected,CONFIG_LIBOPENCSD) 516 ifdef CSTRACE_RAW 517 CFLAGS += -DCS_DEBUG_RAW 518 ifeq (${CSTRACE_RAW}, packed) 519 CFLAGS += -DCS_RAW_PACKED 520 endif 521 endif 522 else 523 dummy := $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1) 524 endif 525endif 526 527ifndef NO_ZLIB 528 ifeq ($(feature-zlib), 1) 529 CFLAGS += -DHAVE_ZLIB_SUPPORT 530 EXTLIBS += -lz 531 $(call detected,CONFIG_ZLIB) 532 else 533 NO_ZLIB := 1 534 endif 535endif 536 537ifndef NO_LIBELF 538 CFLAGS += -DHAVE_LIBELF_SUPPORT 539 EXTLIBS += -lelf 540 $(call detected,CONFIG_LIBELF) 541 542 ifeq ($(feature-libelf-getphdrnum), 1) 543 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT 544 endif 545 546 ifeq ($(feature-libelf-gelf_getnote), 1) 547 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT 548 else 549 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled); 550 endif 551 552 ifeq ($(feature-libelf-getshdrstrndx), 1) 553 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT 554 endif 555 556 ifndef NO_LIBDEBUGINFOD 557 $(call feature_check,libdebuginfod) 558 ifeq ($(feature-libdebuginfod), 1) 559 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT 560 EXTLIBS += -ldebuginfod 561 endif 562 endif 563 564 ifndef NO_DWARF 565 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined) 566 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled); 567 NO_DWARF := 1 568 else 569 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS) 570 LDFLAGS += $(LIBDW_LDFLAGS) 571 EXTLIBS += ${DWARFLIBS} 572 $(call detected,CONFIG_DWARF) 573 endif # PERF_HAVE_DWARF_REGS 574 endif # NO_DWARF 575 576 ifndef NO_LIBBPF 577 ifeq ($(feature-bpf), 1) 578 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status 579 $(call feature_check,libbpf) 580 581 ifdef LIBBPF_DYNAMIC 582 ifeq ($(feature-libbpf), 1) 583 EXTLIBS += -lbpf 584 CFLAGS += -DHAVE_LIBBPF_SUPPORT 585 $(call detected,CONFIG_LIBBPF) 586 $(call detected,CONFIG_LIBBPF_DYNAMIC) 587 else 588 dummy := $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel); 589 endif 590 else 591 ifeq ($(NO_ZLIB), 1) 592 dummy := $(warning Warning: Statically building libbpf not possible as zlib is missing) 593 NO_LIBBPF := 1 594 else 595 # Libbpf will be built as a static library from tools/lib/bpf. 596 LIBBPF_STATIC := 1 597 $(call detected,CONFIG_LIBBPF) 598 CFLAGS += -DHAVE_LIBBPF_SUPPORT 599 endif 600 endif 601 endif 602 endif # NO_LIBBPF 603endif # NO_LIBELF 604 605ifndef NO_SDT 606 ifneq ($(feature-sdt), 1) 607 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev); 608 NO_SDT := 1; 609 else 610 CFLAGS += -DHAVE_SDT_EVENT 611 $(call detected,CONFIG_SDT_EVENT) 612 endif 613endif 614 615ifdef PERF_HAVE_JITDUMP 616 ifndef NO_LIBELF 617 $(call detected,CONFIG_JITDUMP) 618 CFLAGS += -DHAVE_JITDUMP 619 endif 620endif 621 622ifeq ($(SRCARCH),powerpc) 623 ifndef NO_DWARF 624 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX 625 endif 626endif 627 628ifndef NO_LIBUNWIND 629 have_libunwind := 630 631 $(call feature_check,libunwind-x86) 632 ifeq ($(feature-libunwind-x86), 1) 633 $(call detected,CONFIG_LIBUNWIND_X86) 634 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT 635 LDFLAGS += -lunwind-x86 636 EXTLIBS_LIBUNWIND += -lunwind-x86 637 have_libunwind = 1 638 endif 639 640 $(call feature_check,libunwind-aarch64) 641 ifeq ($(feature-libunwind-aarch64), 1) 642 $(call detected,CONFIG_LIBUNWIND_AARCH64) 643 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT 644 LDFLAGS += -lunwind-aarch64 645 EXTLIBS_LIBUNWIND += -lunwind-aarch64 646 have_libunwind = 1 647 $(call feature_check,libunwind-debug-frame-aarch64) 648 ifneq ($(feature-libunwind-debug-frame-aarch64), 1) 649 msg := $(warning No debug_frame support found in libunwind-aarch64); 650 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64 651 endif 652 endif 653 654 ifneq ($(feature-libunwind), 1) 655 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR); 656 NO_LOCAL_LIBUNWIND := 1 657 else 658 have_libunwind := 1 659 $(call detected,CONFIG_LOCAL_LIBUNWIND) 660 endif 661 662 ifneq ($(have_libunwind), 1) 663 NO_LIBUNWIND := 1 664 endif 665else 666 NO_LOCAL_LIBUNWIND := 1 667endif 668 669ifndef NO_LIBBPF 670 ifneq ($(feature-bpf), 1) 671 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) 672 NO_LIBBPF := 1 673 endif 674endif 675 676ifndef BUILD_BPF_SKEL 677 # BPF skeletons control a large number of perf features, by default 678 # they are enabled. 679 BUILD_BPF_SKEL := 1 680endif 681 682ifeq ($(BUILD_BPF_SKEL),1) 683 ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) 684 dummy := $(warning Warning: Disabled BPF skeletons as libbpf is required) 685 BUILD_BPF_SKEL := 0 686 else ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),) 687 dummy := $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool) 688 BUILD_BPF_SKEL := 0 689 else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),) 690 dummy := $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool) 691 BUILD_BPF_SKEL := 0 692 else ifeq ($(call get-executable,$(CLANG)),) 693 dummy := $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing) 694 BUILD_BPF_SKEL := 0 695 else 696 CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g') 697 ifeq ($(call version-lt3,$(CLANG_VERSION),12.0.1),1) 698 dummy := $(warning Warning: Disabled BPF skeletons as reliable BTF generation needs at least $(CLANG) version 12.0.1) 699 BUILD_BPF_SKEL := 0 700 endif 701 endif 702 ifeq ($(BUILD_BPF_SKEL),1) 703 $(call feature_check,clang-bpf-co-re) 704 ifeq ($(feature-clang-bpf-co-re), 0) 705 dummy := $(warning Warning: Disabled BPF skeletons as clang is too old) 706 BUILD_BPF_SKEL := 0 707 endif 708 endif 709 ifeq ($(BUILD_BPF_SKEL),1) 710 $(call detected,CONFIG_PERF_BPF_SKEL) 711 CFLAGS += -DHAVE_BPF_SKEL 712 endif 713endif 714 715ifndef GEN_VMLINUX_H 716 VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h 717endif 718 719dwarf-post-unwind := 1 720dwarf-post-unwind-text := BUG 721 722# setup DWARF post unwinder 723ifdef NO_LIBUNWIND 724 ifdef NO_LIBDW_DWARF_UNWIND 725 msg := $(warning Disabling post unwind, no support found.); 726 dwarf-post-unwind := 0 727 else 728 dwarf-post-unwind-text := libdw 729 $(call detected,CONFIG_LIBDW_DWARF_UNWIND) 730 endif 731else 732 dwarf-post-unwind-text := libunwind 733 $(call detected,CONFIG_LIBUNWIND) 734 # Enable libunwind support by default. 735 ifndef NO_LIBDW_DWARF_UNWIND 736 NO_LIBDW_DWARF_UNWIND := 1 737 endif 738endif 739 740ifeq ($(dwarf-post-unwind),1) 741 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT 742 $(call detected,CONFIG_DWARF_UNWIND) 743else 744 NO_DWARF_UNWIND := 1 745endif 746 747ifndef NO_LOCAL_LIBUNWIND 748 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64)) 749 $(call feature_check,libunwind-debug-frame) 750 ifneq ($(feature-libunwind-debug-frame), 1) 751 msg := $(warning No debug_frame support found in libunwind); 752 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 753 endif 754 else 755 # non-ARM has no dwarf_find_debug_frame() function: 756 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 757 endif 758 EXTLIBS += $(LIBUNWIND_LIBS) 759 LDFLAGS += $(LIBUNWIND_LIBS) 760endif 761ifeq ($(findstring -static,${LDFLAGS}),-static) 762 # gcc -static links libgcc_eh which contans piece of libunwind 763 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition 764endif 765 766ifndef NO_LIBUNWIND 767 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT 768 CFLAGS += $(LIBUNWIND_CFLAGS) 769 LDFLAGS += $(LIBUNWIND_LDFLAGS) 770 EXTLIBS += $(EXTLIBS_LIBUNWIND) 771endif 772 773ifneq ($(NO_LIBTRACEEVENT),1) 774 ifeq ($(NO_SYSCALL_TABLE),0) 775 $(call detected,CONFIG_TRACE) 776 else 777 ifndef NO_LIBAUDIT 778 $(call feature_check,libaudit) 779 ifneq ($(feature-libaudit), 1) 780 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev); 781 NO_LIBAUDIT := 1 782 else 783 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT 784 EXTLIBS += -laudit 785 $(call detected,CONFIG_TRACE) 786 endif 787 endif 788 endif 789endif 790 791ifndef NO_LIBCRYPTO 792 ifneq ($(feature-libcrypto), 1) 793 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev); 794 NO_LIBCRYPTO := 1 795 else 796 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT 797 EXTLIBS += -lcrypto 798 $(call detected,CONFIG_CRYPTO) 799 endif 800endif 801 802ifndef NO_SLANG 803 ifneq ($(feature-libslang), 1) 804 ifneq ($(feature-libslang-include-subdir), 1) 805 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev); 806 NO_SLANG := 1 807 else 808 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR 809 endif 810 endif 811 ifndef NO_SLANG 812 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h 813 CFLAGS += -DHAVE_SLANG_SUPPORT 814 EXTLIBS += -lslang 815 $(call detected,CONFIG_SLANG) 816 endif 817endif 818 819ifdef GTK2 820 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) 821 $(call feature_check,gtk2) 822 ifneq ($(feature-gtk2), 1) 823 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev); 824 NO_GTK2 := 1 825 else 826 $(call feature_check,gtk2-infobar) 827 ifeq ($(feature-gtk2-infobar), 1) 828 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT 829 endif 830 CFLAGS += -DHAVE_GTK2_SUPPORT 831 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) 832 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) 833 EXTLIBS += -ldl 834 endif 835endif 836 837ifdef NO_LIBPERL 838 CFLAGS += -DNO_LIBPERL 839else 840 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) 841 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) 842 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) 843 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) 844 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) 845 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) 846 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 847 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) 848 849 ifneq ($(feature-libperl), 1) 850 CFLAGS += -DNO_LIBPERL 851 NO_LIBPERL := 1 852 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev); 853 else 854 LDFLAGS += $(PERL_EMBED_LDFLAGS) 855 EXTLIBS += $(PERL_EMBED_LIBADD) 856 CFLAGS += -DHAVE_LIBPERL_SUPPORT 857 ifeq ($(CC_NO_CLANG), 0) 858 CFLAGS += -Wno-compound-token-split-by-macro 859 endif 860 $(call detected,CONFIG_LIBPERL) 861 endif 862endif 863 864ifeq ($(feature-timerfd), 1) 865 CFLAGS += -DHAVE_TIMERFD_SUPPORT 866else 867 msg := $(warning No timerfd support. Disables 'perf kvm stat live'); 868endif 869 870disable-python = $(eval $(disable-python_code)) 871define disable-python_code 872 CFLAGS += -DNO_LIBPYTHON 873 $(warning $1) 874 NO_LIBPYTHON := 1 875endef 876 877PYTHON_EXTENSION_SUFFIX := '.so' 878ifdef NO_LIBPYTHON 879 $(call disable-python,Python support disabled by user) 880else 881 882 ifndef PYTHON 883 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev) 884 else 885 PYTHON_WORD := $(call shell-wordify,$(PYTHON)) 886 887 ifndef PYTHON_CONFIG 888 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) 889 else 890 891 ifneq ($(feature-libpython), 1) 892 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev) 893 else 894 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 895 EXTLIBS += $(PYTHON_EMBED_LIBADD) 896 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no") 897 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes) 898 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])') 899 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX) 900 else 901 msg := $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent); 902 endif 903 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT 904 $(call detected,CONFIG_LIBPYTHON) 905 endif 906 endif 907 endif 908endif 909 910ifneq ($(NO_JEVENTS),1) 911 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),) 912 NO_JEVENTS := 1 913 endif 914endif 915ifneq ($(NO_JEVENTS),1) 916 NO_JEVENTS := 0 917 ifndef PYTHON 918 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.) 919 else 920 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016. 921 JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null) 922 ifneq ($(JEVENTS_PYTHON_GOOD), 1) 923 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.) 924 endif 925 endif 926endif 927 928ifdef BUILD_NONDISTRO 929 ifeq ($(feature-libbfd), 1) 930 EXTLIBS += -lbfd -lopcodes 931 else 932 # we are on a system that requires -liberty and (maybe) -lz 933 # to link against -lbfd; test each case individually here 934 935 # call all detections now so we get correct 936 # status in VF output 937 $(call feature_check,libbfd-liberty) 938 $(call feature_check,libbfd-liberty-z) 939 940 ifeq ($(feature-libbfd-liberty), 1) 941 EXTLIBS += -lbfd -lopcodes -liberty 942 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl 943 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl 944 else 945 ifeq ($(feature-libbfd-liberty-z), 1) 946 EXTLIBS += -lbfd -lopcodes -liberty -lz 947 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl 948 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl 949 endif 950 endif 951 $(call feature_check,disassembler-four-args) 952 $(call feature_check,disassembler-init-styled) 953 endif 954 955 CFLAGS += -DHAVE_LIBBFD_SUPPORT 956 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT 957 ifeq ($(feature-libbfd-buildid), 1) 958 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT 959 else 960 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available); 961 endif 962endif 963 964ifndef NO_DEMANGLE 965 $(call feature_check,cxa-demangle) 966 ifeq ($(feature-cxa-demangle), 1) 967 EXTLIBS += -lstdc++ 968 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 969 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 970 $(call detected,CONFIG_CXX_DEMANGLE) 971 endif 972 ifdef BUILD_NONDISTRO 973 ifeq ($(filter -liberty,$(EXTLIBS)),) 974 $(call feature_check,cplus-demangle) 975 ifeq ($(feature-cplus-demangle), 1) 976 EXTLIBS += -liberty 977 endif 978 endif 979 ifneq ($(filter -liberty,$(EXTLIBS)),) 980 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 981 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 982 endif 983 endif 984endif 985 986ifndef NO_LZMA 987 ifeq ($(feature-lzma), 1) 988 CFLAGS += -DHAVE_LZMA_SUPPORT 989 EXTLIBS += -llzma 990 $(call detected,CONFIG_LZMA) 991 else 992 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev); 993 NO_LZMA := 1 994 endif 995endif 996 997ifndef NO_LIBZSTD 998 ifeq ($(feature-libzstd), 1) 999 CFLAGS += -DHAVE_ZSTD_SUPPORT 1000 CFLAGS += $(LIBZSTD_CFLAGS) 1001 LDFLAGS += $(LIBZSTD_LDFLAGS) 1002 EXTLIBS += -lzstd 1003 $(call detected,CONFIG_ZSTD) 1004 else 1005 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR); 1006 NO_LIBZSTD := 1 1007 endif 1008endif 1009 1010ifndef NO_LIBCAP 1011 ifeq ($(feature-libcap), 1) 1012 CFLAGS += -DHAVE_LIBCAP_SUPPORT 1013 EXTLIBS += -lcap 1014 $(call detected,CONFIG_LIBCAP) 1015 else 1016 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev); 1017 NO_LIBCAP := 1 1018 endif 1019endif 1020 1021ifndef NO_BACKTRACE 1022 ifeq ($(feature-backtrace), 1) 1023 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 1024 endif 1025endif 1026 1027ifndef NO_LIBNUMA 1028 ifeq ($(feature-libnuma), 0) 1029 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev); 1030 NO_LIBNUMA := 1 1031 else 1032 ifeq ($(feature-numa_num_possible_cpus), 0) 1033 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8); 1034 NO_LIBNUMA := 1 1035 else 1036 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 1037 EXTLIBS += -lnuma 1038 $(call detected,CONFIG_NUMA) 1039 endif 1040 endif 1041endif 1042 1043ifdef HAVE_KVM_STAT_SUPPORT 1044 CFLAGS += -DHAVE_KVM_STAT_SUPPORT 1045endif 1046 1047ifeq ($(feature-disassembler-four-args), 1) 1048 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 1049endif 1050 1051ifeq ($(feature-disassembler-init-styled), 1) 1052 CFLAGS += -DDISASM_INIT_STYLED 1053endif 1054 1055ifeq (${IS_64_BIT}, 1) 1056 ifndef NO_PERF_READ_VDSO32 1057 $(call feature_check,compile-32) 1058 ifeq ($(feature-compile-32), 1) 1059 CFLAGS += -DHAVE_PERF_READ_VDSO32 1060 else 1061 NO_PERF_READ_VDSO32 := 1 1062 endif 1063 endif 1064 ifneq ($(SRCARCH), x86) 1065 NO_PERF_READ_VDSOX32 := 1 1066 endif 1067 ifndef NO_PERF_READ_VDSOX32 1068 $(call feature_check,compile-x32) 1069 ifeq ($(feature-compile-x32), 1) 1070 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1071 else 1072 NO_PERF_READ_VDSOX32 := 1 1073 endif 1074 endif 1075else 1076 NO_PERF_READ_VDSO32 := 1 1077 NO_PERF_READ_VDSOX32 := 1 1078endif 1079 1080ifndef NO_LIBBABELTRACE 1081 $(call feature_check,libbabeltrace) 1082 ifeq ($(feature-libbabeltrace), 1) 1083 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS) 1084 LDFLAGS += $(LIBBABELTRACE_LDFLAGS) 1085 EXTLIBS += -lbabeltrace-ctf 1086 $(call detected,CONFIG_LIBBABELTRACE) 1087 else 1088 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev); 1089 endif 1090endif 1091 1092ifndef NO_AUXTRACE 1093 ifeq ($(SRCARCH),x86) 1094 ifeq ($(feature-get_cpuid), 0) 1095 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc); 1096 NO_AUXTRACE := 1 1097 endif 1098 endif 1099 ifndef NO_AUXTRACE 1100 $(call detected,CONFIG_AUXTRACE) 1101 CFLAGS += -DHAVE_AUXTRACE_SUPPORT 1102 ifeq ($(feature-reallocarray), 0) 1103 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 1104 endif 1105 endif 1106endif 1107 1108ifdef EXTRA_TESTS 1109 $(call detected,CONFIG_EXTRA_TESTS) 1110 CFLAGS += -DHAVE_EXTRA_TESTS 1111endif 1112 1113ifndef NO_JVMTI 1114 ifneq (,$(wildcard /usr/sbin/update-java-alternatives)) 1115 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}') 1116 else 1117 ifneq (,$(wildcard /usr/sbin/alternatives)) 1118 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g') 1119 endif 1120 endif 1121 ifndef JDIR 1122 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory) 1123 NO_JVMTI := 1 1124 endif 1125endif 1126 1127ifndef NO_JVMTI 1128 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux 1129 $(call feature_check,jvmti) 1130 ifeq ($(feature-jvmti), 1) 1131 $(call detected_var,JDIR) 1132 ifndef NO_JVMTI_CMLR 1133 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti) 1134 $(call feature_check,jvmti-cmlr) 1135 ifeq ($(feature-jvmti-cmlr), 1) 1136 CFLAGS += -DHAVE_JVMTI_CMLR 1137 endif 1138 endif # NO_JVMTI_CMLR 1139 else 1140 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel) 1141 NO_JVMTI := 1 1142 endif 1143endif 1144 1145ifndef NO_LIBPFM4 1146 $(call feature_check,libpfm4) 1147 ifeq ($(feature-libpfm4), 1) 1148 CFLAGS += -DHAVE_LIBPFM 1149 EXTLIBS += -lpfm 1150 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 1151 $(call detected,CONFIG_LIBPFM4) 1152 else 1153 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev); 1154 endif 1155endif 1156 1157# libtraceevent is a recommended dependency picked up from the system. 1158ifneq ($(NO_LIBTRACEEVENT),1) 1159 $(call feature_check,libtraceevent) 1160 ifeq ($(feature-libtraceevent), 1) 1161 CFLAGS += -DHAVE_LIBTRACEEVENT 1162 EXTLIBS += -ltraceevent 1163 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent) 1164 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1165 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1166 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1167 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3)) 1168 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP) 1169 $(call detected,CONFIG_LIBTRACEEVENT) 1170 else 1171 dummy := $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel or build with NO_LIBTRACEEVENT=1) 1172 endif 1173 1174 $(call feature_check,libtracefs) 1175 ifeq ($(feature-libtracefs), 1) 1176 EXTLIBS += -ltracefs 1177 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs) 1178 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION))) 1179 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION))) 1180 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION))) 1181 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3)) 1182 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP) 1183 endif 1184endif 1185 1186# Among the variables below, these: 1187# perfexecdir 1188# libbpf_include_dir 1189# perf_examples_dir 1190# template_dir 1191# mandir 1192# infodir 1193# htmldir 1194# ETC_PERFCONFIG (but not sysconfdir) 1195# can be specified as a relative path some/where/else; 1196# this is interpreted as relative to $(prefix) and "perf" at 1197# runtime figures out where they are based on the path to the executable. 1198# This can help installing the suite in a relocatable way. 1199 1200# Make the path relative to DESTDIR, not to prefix 1201ifndef DESTDIR 1202prefix ?= $(HOME) 1203endif 1204bindir_relative = bin 1205bindir = $(abspath $(prefix)/$(bindir_relative)) 1206includedir_relative = include 1207includedir = $(abspath $(prefix)/$(includedir_relative)) 1208mandir = share/man 1209infodir = share/info 1210perfexecdir = libexec/perf-core 1211# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance 1212libbpf_include_dir = /usr/include 1213perf_examples_dir = lib/perf/examples 1214sharedir = $(prefix)/share 1215template_dir = share/perf-core/templates 1216STRACE_GROUPS_DIR = share/perf-core/strace/groups 1217htmldir = share/doc/perf-doc 1218tipdir = share/doc/perf-tip 1219srcdir = $(srctree)/tools/perf 1220ifeq ($(prefix),/usr) 1221sysconfdir = /etc 1222ETC_PERFCONFIG = $(sysconfdir)/perfconfig 1223else 1224sysconfdir = $(prefix)/etc 1225ETC_PERFCONFIG = etc/perfconfig 1226endif 1227ifndef lib 1228ifeq ($(SRCARCH)$(IS_64_BIT), x861) 1229lib = lib64 1230else 1231lib = lib 1232endif 1233endif # lib 1234libdir = $(prefix)/$(lib) 1235 1236# Shell quote (do not use $(call) to accommodate ancient setups); 1237ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) 1238STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR)) 1239DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) 1240bindir_SQ = $(subst ','\'',$(bindir)) 1241includedir_SQ = $(subst ','\'',$(includedir)) 1242mandir_SQ = $(subst ','\'',$(mandir)) 1243infodir_SQ = $(subst ','\'',$(infodir)) 1244perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) 1245libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir)) 1246perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir)) 1247template_dir_SQ = $(subst ','\'',$(template_dir)) 1248htmldir_SQ = $(subst ','\'',$(htmldir)) 1249tipdir_SQ = $(subst ','\'',$(tipdir)) 1250prefix_SQ = $(subst ','\'',$(prefix)) 1251sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) 1252libdir_SQ = $(subst ','\'',$(libdir)) 1253srcdir_SQ = $(subst ','\'',$(srcdir)) 1254 1255ifneq ($(filter /%,$(firstword $(perfexecdir))),) 1256perfexec_instdir = $(perfexecdir) 1257perf_include_instdir = $(libbpf_include_dir) 1258perf_examples_instdir = $(perf_examples_dir) 1259STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) 1260tip_instdir = $(tipdir) 1261else 1262perfexec_instdir = $(prefix)/$(perfexecdir) 1263perf_include_instdir = $(prefix)/$(libbpf_include_dir) 1264perf_examples_instdir = $(prefix)/$(perf_examples_dir) 1265STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) 1266tip_instdir = $(prefix)/$(tipdir) 1267endif 1268perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) 1269perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir)) 1270perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir)) 1271STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) 1272tip_instdir_SQ = $(subst ','\'',$(tip_instdir)) 1273 1274export perfexec_instdir_SQ 1275 1276print_var = $(eval $(print_var_code)) $(info $(MSG)) 1277define print_var_code 1278 MSG = $(shell printf '...%40s: %s' $(1) $($(1))) 1279endef 1280 1281ifeq ($(feature_display),1) 1282 $(call feature_display_entries) 1283endif 1284 1285ifeq ($(VF),1) 1286 # Display EXTRA features which are detected manualy 1287 # from here with feature_check call and thus cannot 1288 # be partof global state output. 1289 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG))) 1290 $(call print_var,prefix) 1291 $(call print_var,bindir) 1292 $(call print_var,libdir) 1293 $(call print_var,sysconfdir) 1294 $(call print_var,LIBUNWIND_DIR) 1295 $(call print_var,LIBDW_DIR) 1296 $(call print_var,JDIR) 1297 1298 ifeq ($(dwarf-post-unwind),1) 1299 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG)) 1300 endif 1301endif 1302 1303$(info ) 1304 1305$(call detected_var,bindir_SQ) 1306$(call detected_var,PYTHON_WORD) 1307ifneq ($(OUTPUT),) 1308$(call detected_var,OUTPUT) 1309endif 1310$(call detected_var,htmldir_SQ) 1311$(call detected_var,infodir_SQ) 1312$(call detected_var,mandir_SQ) 1313$(call detected_var,ETC_PERFCONFIG_SQ) 1314$(call detected_var,STRACE_GROUPS_DIR_SQ) 1315$(call detected_var,prefix_SQ) 1316$(call detected_var,perfexecdir_SQ) 1317$(call detected_var,libbpf_include_dir_SQ) 1318$(call detected_var,perf_examples_dir_SQ) 1319$(call detected_var,tipdir_SQ) 1320$(call detected_var,srcdir_SQ) 1321$(call detected_var,LIBDIR) 1322$(call detected_var,GTK_CFLAGS) 1323$(call detected_var,PERL_EMBED_CCOPTS) 1324$(call detected_var,PYTHON_EMBED_CCOPTS) 1325ifneq ($(BISON_FILE_PREFIX_MAP),) 1326$(call detected_var,BISON_FILE_PREFIX_MAP) 1327endif 1328 1329# re-generate FEATURE-DUMP as we may have called feature_check, found out 1330# extra libraries to add to LDFLAGS of some other test and then redo those 1331# tests, see the block about libbfd, disassembler-four-args, for instance. 1332$(shell rm -f $(FEATURE_DUMP_FILENAME)) 1333$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) 1334