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: $(BISON) is missing on this system, please install it) 217endif 218 219ifeq ($(BUILD_BPF_SKEL),1) 220 ifeq ($(call get-executable,$(CLANG)),) 221 dummy := $(error $(CLANG) is missing on this system, please install it to be able to build with BUILD_BPF_SKEL=1) 222 endif 223endif 224 225ifneq ($(OUTPUT),) 226 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1) 227 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)= 228 endif 229endif 230 231# Treat warnings as errors unless directed not to 232ifneq ($(WERROR),0) 233 CORE_CFLAGS += -Werror 234 CXXFLAGS += -Werror 235 HOSTCFLAGS += -Werror 236endif 237 238ifndef DEBUG 239 DEBUG := 0 240endif 241 242ifeq ($(DEBUG),0) 243CORE_CFLAGS += -DNDEBUG=1 244ifeq ($(CC_NO_CLANG), 0) 245 CORE_CFLAGS += -O3 246else 247 CORE_CFLAGS += -O6 248endif 249else 250 CORE_CFLAGS += -g 251 CXXFLAGS += -g 252endif 253 254ifdef PARSER_DEBUG 255 PARSER_DEBUG_BISON := -t 256 PARSER_DEBUG_FLEX := -d 257 CFLAGS += -DPARSER_DEBUG 258 $(call detected_var,PARSER_DEBUG_BISON) 259 $(call detected_var,PARSER_DEBUG_FLEX) 260endif 261 262ifdef LTO 263 CORE_CFLAGS += -flto 264 CXXFLAGS += -flto 265endif 266 267# Try different combinations to accommodate systems that only have 268# python[2][3]-config in weird combinations in the following order of 269# priority from lowest to highest: 270# * python2-config as per pep-0394. 271# * python-config 272# * python3-config 273# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't) 274# 275PYTHON_AUTO := python-config 276PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO)) 277PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO)) 278PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO)) 279 280# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user 281# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist. 282ifdef PYTHON 283 ifndef PYTHON_CONFIG 284 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config) 285 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\ 286 $(call $(error $(PYTHON)-config not found))) 287 endif 288endif 289 290# Select either auto detected python and python-config or use user supplied values if they are 291# defined. get-executable-or-default fails with an error if the first argument is supplied but 292# doesn't exist. 293override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO)) 294override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG))) 295 296grep-libs = $(filter -l%,$(1)) 297strip-libs = $(filter-out -l%,$(1)) 298 299PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG)) 300 301# Python 3.8 changed the output of `python-config --ldflags` to not include the 302# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for 303# libpython fails if that flag is not included in LDFLAGS 304ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0) 305 PYTHON_CONFIG_LDFLAGS := --ldflags --embed 306else 307 PYTHON_CONFIG_LDFLAGS := --ldflags 308endif 309 310ifdef PYTHON_CONFIG 311 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null) 312 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS)) 313 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil 314 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null) 315 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS) 316 ifeq ($(CC_NO_CLANG), 0) 317 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS)) 318 endif 319endif 320 321FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS) 322FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS) 323 324FEATURE_CHECK_LDFLAGS-libaio = -lrt 325 326FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl 327FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl 328 329CORE_CFLAGS += -fno-omit-frame-pointer 330CORE_CFLAGS += -Wall 331CORE_CFLAGS += -Wextra 332CORE_CFLAGS += -std=gnu11 333 334CXXFLAGS += -std=gnu++14 -fno-exceptions -fno-rtti 335CXXFLAGS += -Wall 336CXXFLAGS += -Wextra 337CXXFLAGS += -fno-omit-frame-pointer 338 339HOSTCFLAGS += -Wall 340HOSTCFLAGS += -Wextra 341 342# Enforce a non-executable stack, as we may regress (again) in the future by 343# adding assembler files missing the .GNU-stack linker note. 344LDFLAGS += -Wl,-z,noexecstack 345 346EXTLIBS = -lpthread -lrt -lm -ldl 347 348ifneq ($(TCMALLOC),) 349 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free 350 EXTLIBS += -ltcmalloc 351endif 352 353ifeq ($(FEATURES_DUMP),) 354# We will display at the end of this Makefile.config, using $(call feature_display_entries) 355# As we may retry some feature detection here, see the disassembler-four-args case, for instance 356 FEATURE_DISPLAY_DEFERRED := 1 357include $(srctree)/tools/build/Makefile.feature 358else 359include $(FEATURES_DUMP) 360endif 361 362ifeq ($(feature-stackprotector-all), 1) 363 CORE_CFLAGS += -fstack-protector-all 364endif 365 366ifeq ($(DEBUG),0) 367 ifeq ($(feature-fortify-source), 1) 368 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 369 endif 370endif 371 372INC_FLAGS += -I$(src-perf)/util/include 373INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include 374INC_FLAGS += -I$(srctree)/tools/include/ 375INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi 376INC_FLAGS += -I$(srctree)/tools/include/uapi 377INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/ 378INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/ 379 380# $(obj-perf) for generated common-cmds.h 381# $(obj-perf)/util for generated bison/flex headers 382ifneq ($(OUTPUT),) 383INC_FLAGS += -I$(obj-perf)/util 384INC_FLAGS += -I$(obj-perf) 385endif 386 387INC_FLAGS += -I$(src-perf)/util 388INC_FLAGS += -I$(src-perf) 389 390CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE 391 392CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS) 393CXXFLAGS += $(INC_FLAGS) 394 395LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS) 396 397ifeq ($(feature-pthread-attr-setaffinity-np), 1) 398 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP 399endif 400 401ifeq ($(feature-pthread-barrier), 1) 402 CFLAGS += -DHAVE_PTHREAD_BARRIER 403endif 404 405ifndef NO_BIONIC 406 $(call feature_check,bionic) 407 ifeq ($(feature-bionic), 1) 408 BIONIC := 1 409 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE 410 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE 411 EXTLIBS := $(filter-out -lrt,$(EXTLIBS)) 412 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS)) 413 endif 414endif 415 416ifeq ($(feature-eventfd), 1) 417 CFLAGS += -DHAVE_EVENTFD_SUPPORT 418endif 419 420ifeq ($(feature-get_current_dir_name), 1) 421 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME 422endif 423 424ifeq ($(feature-gettid), 1) 425 CFLAGS += -DHAVE_GETTID 426endif 427 428ifeq ($(feature-file-handle), 1) 429 CFLAGS += -DHAVE_FILE_HANDLE 430endif 431 432ifdef NO_LIBELF 433 NO_DWARF := 1 434 NO_LIBUNWIND := 1 435 NO_LIBDW_DWARF_UNWIND := 1 436 NO_LIBBPF := 1 437 NO_JVMTI := 1 438else 439 ifeq ($(feature-libelf), 0) 440 ifeq ($(feature-glibc), 1) 441 LIBC_SUPPORT := 1 442 endif 443 ifeq ($(BIONIC),1) 444 LIBC_SUPPORT := 1 445 endif 446 ifeq ($(LIBC_SUPPORT),1) 447 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.) 448 else 449 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),) 450 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0) 451 msg := $(error No libasan found, please install libasan); 452 endif 453 endif 454 455 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),) 456 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0) 457 msg := $(error No libubsan found, please install libubsan); 458 endif 459 endif 460 461 ifneq ($(filter s% -static%,$(LDFLAGS),),) 462 msg := $(error No static glibc found, please install glibc-static); 463 else 464 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]); 465 endif 466 endif 467 else 468 ifndef NO_LIBDW_DWARF_UNWIND 469 ifneq ($(feature-libdw-dwarf-unwind),1) 470 NO_LIBDW_DWARF_UNWIND := 1 471 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR); 472 endif 473 endif 474 ifneq ($(feature-dwarf), 1) 475 ifndef NO_DWARF 476 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); 477 NO_DWARF := 1 478 endif 479 else 480 ifneq ($(feature-dwarf_getlocations), 1) 481 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157); 482 else 483 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT 484 endif # dwarf_getlocations 485 endif # Dwarf support 486 endif # libelf support 487endif # NO_LIBELF 488 489ifeq ($(feature-libaio), 1) 490 ifndef NO_AIO 491 CFLAGS += -DHAVE_AIO_SUPPORT 492 endif 493endif 494 495ifdef NO_DWARF 496 NO_LIBDW_DWARF_UNWIND := 1 497endif 498 499ifeq ($(feature-scandirat), 1) 500 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT 501endif 502 503ifeq ($(feature-sched_getcpu), 1) 504 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT 505endif 506 507ifeq ($(feature-setns), 1) 508 CFLAGS += -DHAVE_SETNS_SUPPORT 509 $(call detected,CONFIG_SETNS) 510endif 511 512ifdef CORESIGHT 513 $(call feature_check,libopencsd) 514 ifeq ($(feature-libopencsd), 1) 515 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS) 516 ifeq ($(feature-reallocarray), 0) 517 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 518 endif 519 LDFLAGS += $(LIBOPENCSD_LDFLAGS) 520 EXTLIBS += $(OPENCSDLIBS) 521 $(call detected,CONFIG_LIBOPENCSD) 522 ifdef CSTRACE_RAW 523 CFLAGS += -DCS_DEBUG_RAW 524 ifeq (${CSTRACE_RAW}, packed) 525 CFLAGS += -DCS_RAW_PACKED 526 endif 527 endif 528 else 529 dummy := $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1) 530 endif 531endif 532 533ifndef NO_LIBELF 534 CFLAGS += -DHAVE_LIBELF_SUPPORT 535 EXTLIBS += -lelf 536 $(call detected,CONFIG_LIBELF) 537 538 ifeq ($(feature-libelf-getphdrnum), 1) 539 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT 540 endif 541 542 ifeq ($(feature-libelf-gelf_getnote), 1) 543 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT 544 else 545 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled); 546 endif 547 548 ifeq ($(feature-libelf-getshdrstrndx), 1) 549 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT 550 endif 551 552 ifndef NO_LIBDEBUGINFOD 553 $(call feature_check,libdebuginfod) 554 ifeq ($(feature-libdebuginfod), 1) 555 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT 556 EXTLIBS += -ldebuginfod 557 endif 558 endif 559 560 ifndef NO_DWARF 561 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined) 562 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled); 563 NO_DWARF := 1 564 else 565 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS) 566 LDFLAGS += $(LIBDW_LDFLAGS) 567 EXTLIBS += ${DWARFLIBS} 568 $(call detected,CONFIG_DWARF) 569 endif # PERF_HAVE_DWARF_REGS 570 endif # NO_DWARF 571 572 ifndef NO_LIBBPF 573 ifeq ($(feature-bpf), 1) 574 CFLAGS += -DHAVE_LIBBPF_SUPPORT 575 $(call detected,CONFIG_LIBBPF) 576 577 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status 578 $(call feature_check,libbpf) 579 580 ifdef LIBBPF_DYNAMIC 581 ifeq ($(feature-libbpf), 1) 582 EXTLIBS += -lbpf 583 $(call detected,CONFIG_LIBBPF_DYNAMIC) 584 else 585 dummy := $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel); 586 endif 587 else 588 # Libbpf will be built as a static library from tools/lib/bpf. 589 LIBBPF_STATIC := 1 590 endif 591 endif 592 593 ifndef NO_DWARF 594 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 595 CFLAGS += -DHAVE_BPF_PROLOGUE 596 $(call detected,CONFIG_BPF_PROLOGUE) 597 else 598 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset()); 599 endif 600 else 601 msg := $(warning DWARF support is off, BPF prologue is disabled); 602 endif 603 604 endif # NO_LIBBPF 605endif # NO_LIBELF 606 607ifndef NO_SDT 608 ifneq ($(feature-sdt), 1) 609 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev); 610 NO_SDT := 1; 611 else 612 CFLAGS += -DHAVE_SDT_EVENT 613 $(call detected,CONFIG_SDT_EVENT) 614 endif 615endif 616 617ifdef PERF_HAVE_JITDUMP 618 ifndef NO_LIBELF 619 $(call detected,CONFIG_JITDUMP) 620 CFLAGS += -DHAVE_JITDUMP 621 endif 622endif 623 624ifeq ($(SRCARCH),powerpc) 625 ifndef NO_DWARF 626 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX 627 endif 628endif 629 630ifndef NO_LIBUNWIND 631 have_libunwind := 632 633 $(call feature_check,libunwind-x86) 634 ifeq ($(feature-libunwind-x86), 1) 635 $(call detected,CONFIG_LIBUNWIND_X86) 636 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT 637 LDFLAGS += -lunwind-x86 638 EXTLIBS_LIBUNWIND += -lunwind-x86 639 have_libunwind = 1 640 endif 641 642 $(call feature_check,libunwind-aarch64) 643 ifeq ($(feature-libunwind-aarch64), 1) 644 $(call detected,CONFIG_LIBUNWIND_AARCH64) 645 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT 646 LDFLAGS += -lunwind-aarch64 647 EXTLIBS_LIBUNWIND += -lunwind-aarch64 648 have_libunwind = 1 649 $(call feature_check,libunwind-debug-frame-aarch64) 650 ifneq ($(feature-libunwind-debug-frame-aarch64), 1) 651 msg := $(warning No debug_frame support found in libunwind-aarch64); 652 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64 653 endif 654 endif 655 656 ifneq ($(feature-libunwind), 1) 657 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR); 658 NO_LOCAL_LIBUNWIND := 1 659 else 660 have_libunwind := 1 661 $(call detected,CONFIG_LOCAL_LIBUNWIND) 662 endif 663 664 ifneq ($(have_libunwind), 1) 665 NO_LIBUNWIND := 1 666 endif 667else 668 NO_LOCAL_LIBUNWIND := 1 669endif 670 671ifndef NO_LIBBPF 672 ifneq ($(feature-bpf), 1) 673 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) 674 NO_LIBBPF := 1 675 endif 676endif 677 678ifdef BUILD_BPF_SKEL 679 $(call feature_check,clang-bpf-co-re) 680 ifeq ($(feature-clang-bpf-co-re), 0) 681 dummy := $(error Error: clang too old/not installed. Please install recent clang to build with BUILD_BPF_SKEL) 682 endif 683 ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) 684 dummy := $(error Error: BPF skeleton support requires libbpf) 685 endif 686 $(call detected,CONFIG_PERF_BPF_SKEL) 687 CFLAGS += -DHAVE_BPF_SKEL 688endif 689 690ifndef GEN_VMLINUX_H 691 VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h 692endif 693 694dwarf-post-unwind := 1 695dwarf-post-unwind-text := BUG 696 697# setup DWARF post unwinder 698ifdef NO_LIBUNWIND 699 ifdef NO_LIBDW_DWARF_UNWIND 700 msg := $(warning Disabling post unwind, no support found.); 701 dwarf-post-unwind := 0 702 else 703 dwarf-post-unwind-text := libdw 704 $(call detected,CONFIG_LIBDW_DWARF_UNWIND) 705 endif 706else 707 dwarf-post-unwind-text := libunwind 708 $(call detected,CONFIG_LIBUNWIND) 709 # Enable libunwind support by default. 710 ifndef NO_LIBDW_DWARF_UNWIND 711 NO_LIBDW_DWARF_UNWIND := 1 712 endif 713endif 714 715ifeq ($(dwarf-post-unwind),1) 716 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT 717 $(call detected,CONFIG_DWARF_UNWIND) 718else 719 NO_DWARF_UNWIND := 1 720endif 721 722ifndef NO_LOCAL_LIBUNWIND 723 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64)) 724 $(call feature_check,libunwind-debug-frame) 725 ifneq ($(feature-libunwind-debug-frame), 1) 726 msg := $(warning No debug_frame support found in libunwind); 727 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 728 endif 729 else 730 # non-ARM has no dwarf_find_debug_frame() function: 731 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 732 endif 733 EXTLIBS += $(LIBUNWIND_LIBS) 734 LDFLAGS += $(LIBUNWIND_LIBS) 735endif 736ifeq ($(findstring -static,${LDFLAGS}),-static) 737 # gcc -static links libgcc_eh which contans piece of libunwind 738 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition 739endif 740 741ifndef NO_LIBUNWIND 742 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT 743 CFLAGS += $(LIBUNWIND_CFLAGS) 744 LDFLAGS += $(LIBUNWIND_LDFLAGS) 745 EXTLIBS += $(EXTLIBS_LIBUNWIND) 746endif 747 748ifneq ($(NO_LIBTRACEEVENT),1) 749 ifeq ($(NO_SYSCALL_TABLE),0) 750 $(call detected,CONFIG_TRACE) 751 else 752 ifndef NO_LIBAUDIT 753 $(call feature_check,libaudit) 754 ifneq ($(feature-libaudit), 1) 755 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev); 756 NO_LIBAUDIT := 1 757 else 758 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT 759 EXTLIBS += -laudit 760 $(call detected,CONFIG_TRACE) 761 endif 762 endif 763 endif 764endif 765 766ifndef NO_LIBCRYPTO 767 ifneq ($(feature-libcrypto), 1) 768 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev); 769 NO_LIBCRYPTO := 1 770 else 771 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT 772 EXTLIBS += -lcrypto 773 $(call detected,CONFIG_CRYPTO) 774 endif 775endif 776 777ifndef NO_SLANG 778 ifneq ($(feature-libslang), 1) 779 ifneq ($(feature-libslang-include-subdir), 1) 780 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev); 781 NO_SLANG := 1 782 else 783 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR 784 endif 785 endif 786 ifndef NO_SLANG 787 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h 788 CFLAGS += -DHAVE_SLANG_SUPPORT 789 EXTLIBS += -lslang 790 $(call detected,CONFIG_SLANG) 791 endif 792endif 793 794ifdef GTK2 795 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) 796 $(call feature_check,gtk2) 797 ifneq ($(feature-gtk2), 1) 798 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev); 799 NO_GTK2 := 1 800 else 801 $(call feature_check,gtk2-infobar) 802 ifeq ($(feature-gtk2-infobar), 1) 803 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT 804 endif 805 CFLAGS += -DHAVE_GTK2_SUPPORT 806 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) 807 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) 808 EXTLIBS += -ldl 809 endif 810endif 811 812ifdef NO_LIBPERL 813 CFLAGS += -DNO_LIBPERL 814else 815 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) 816 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) 817 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) 818 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) 819 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) 820 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) 821 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 822 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) 823 824 ifneq ($(feature-libperl), 1) 825 CFLAGS += -DNO_LIBPERL 826 NO_LIBPERL := 1 827 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev); 828 else 829 LDFLAGS += $(PERL_EMBED_LDFLAGS) 830 EXTLIBS += $(PERL_EMBED_LIBADD) 831 CFLAGS += -DHAVE_LIBPERL_SUPPORT 832 ifeq ($(CC_NO_CLANG), 0) 833 CFLAGS += -Wno-compound-token-split-by-macro 834 endif 835 $(call detected,CONFIG_LIBPERL) 836 endif 837endif 838 839ifeq ($(feature-timerfd), 1) 840 CFLAGS += -DHAVE_TIMERFD_SUPPORT 841else 842 msg := $(warning No timerfd support. Disables 'perf kvm stat live'); 843endif 844 845disable-python = $(eval $(disable-python_code)) 846define disable-python_code 847 CFLAGS += -DNO_LIBPYTHON 848 $(warning $1) 849 NO_LIBPYTHON := 1 850endef 851 852PYTHON_EXTENSION_SUFFIX := '.so' 853ifdef NO_LIBPYTHON 854 $(call disable-python,Python support disabled by user) 855else 856 857 ifndef PYTHON 858 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev) 859 else 860 PYTHON_WORD := $(call shell-wordify,$(PYTHON)) 861 862 ifndef PYTHON_CONFIG 863 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) 864 else 865 866 ifneq ($(feature-libpython), 1) 867 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev) 868 else 869 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 870 EXTLIBS += $(PYTHON_EMBED_LIBADD) 871 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no") 872 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes) 873 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])') 874 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX) 875 else 876 msg := $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent); 877 endif 878 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT 879 $(call detected,CONFIG_LIBPYTHON) 880 endif 881 endif 882 endif 883endif 884 885ifneq ($(NO_JEVENTS),1) 886 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),) 887 NO_JEVENTS := 1 888 endif 889endif 890ifneq ($(NO_JEVENTS),1) 891 NO_JEVENTS := 0 892 ifndef PYTHON 893 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.) 894 else 895 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016. 896 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) 897 ifneq ($(JEVENTS_PYTHON_GOOD), 1) 898 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.) 899 endif 900 endif 901endif 902 903ifdef BUILD_NONDISTRO 904 ifeq ($(feature-libbfd), 1) 905 EXTLIBS += -lbfd -lopcodes 906 else 907 # we are on a system that requires -liberty and (maybe) -lz 908 # to link against -lbfd; test each case individually here 909 910 # call all detections now so we get correct 911 # status in VF output 912 $(call feature_check,libbfd-liberty) 913 $(call feature_check,libbfd-liberty-z) 914 915 ifeq ($(feature-libbfd-liberty), 1) 916 EXTLIBS += -lbfd -lopcodes -liberty 917 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl 918 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl 919 else 920 ifeq ($(feature-libbfd-liberty-z), 1) 921 EXTLIBS += -lbfd -lopcodes -liberty -lz 922 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl 923 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl 924 endif 925 endif 926 $(call feature_check,disassembler-four-args) 927 $(call feature_check,disassembler-init-styled) 928 endif 929 930 CFLAGS += -DHAVE_LIBBFD_SUPPORT 931 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT 932 ifeq ($(feature-libbfd-buildid), 1) 933 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT 934 else 935 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available); 936 endif 937endif 938 939ifndef NO_DEMANGLE 940 $(call feature_check,cxa-demangle) 941 ifeq ($(feature-cxa-demangle), 1) 942 EXTLIBS += -lstdc++ 943 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 944 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 945 $(call detected,CONFIG_CXX_DEMANGLE) 946 endif 947 ifdef BUILD_NONDISTRO 948 ifeq ($(filter -liberty,$(EXTLIBS)),) 949 $(call feature_check,cplus-demangle) 950 ifeq ($(feature-cplus-demangle), 1) 951 EXTLIBS += -liberty 952 endif 953 endif 954 ifneq ($(filter -liberty,$(EXTLIBS)),) 955 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 956 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 957 endif 958 endif 959endif 960 961ifndef NO_ZLIB 962 ifeq ($(feature-zlib), 1) 963 CFLAGS += -DHAVE_ZLIB_SUPPORT 964 EXTLIBS += -lz 965 $(call detected,CONFIG_ZLIB) 966 else 967 NO_ZLIB := 1 968 endif 969endif 970 971ifndef NO_LZMA 972 ifeq ($(feature-lzma), 1) 973 CFLAGS += -DHAVE_LZMA_SUPPORT 974 EXTLIBS += -llzma 975 $(call detected,CONFIG_LZMA) 976 else 977 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev); 978 NO_LZMA := 1 979 endif 980endif 981 982ifndef NO_LIBZSTD 983 ifeq ($(feature-libzstd), 1) 984 CFLAGS += -DHAVE_ZSTD_SUPPORT 985 CFLAGS += $(LIBZSTD_CFLAGS) 986 LDFLAGS += $(LIBZSTD_LDFLAGS) 987 EXTLIBS += -lzstd 988 $(call detected,CONFIG_ZSTD) 989 else 990 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR); 991 NO_LIBZSTD := 1 992 endif 993endif 994 995ifndef NO_LIBCAP 996 ifeq ($(feature-libcap), 1) 997 CFLAGS += -DHAVE_LIBCAP_SUPPORT 998 EXTLIBS += -lcap 999 $(call detected,CONFIG_LIBCAP) 1000 else 1001 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev); 1002 NO_LIBCAP := 1 1003 endif 1004endif 1005 1006ifndef NO_BACKTRACE 1007 ifeq ($(feature-backtrace), 1) 1008 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 1009 endif 1010endif 1011 1012ifndef NO_LIBNUMA 1013 ifeq ($(feature-libnuma), 0) 1014 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev); 1015 NO_LIBNUMA := 1 1016 else 1017 ifeq ($(feature-numa_num_possible_cpus), 0) 1018 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8); 1019 NO_LIBNUMA := 1 1020 else 1021 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 1022 EXTLIBS += -lnuma 1023 $(call detected,CONFIG_NUMA) 1024 endif 1025 endif 1026endif 1027 1028ifdef HAVE_KVM_STAT_SUPPORT 1029 CFLAGS += -DHAVE_KVM_STAT_SUPPORT 1030endif 1031 1032ifeq ($(feature-disassembler-four-args), 1) 1033 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 1034endif 1035 1036ifeq ($(feature-disassembler-init-styled), 1) 1037 CFLAGS += -DDISASM_INIT_STYLED 1038endif 1039 1040ifeq (${IS_64_BIT}, 1) 1041 ifndef NO_PERF_READ_VDSO32 1042 $(call feature_check,compile-32) 1043 ifeq ($(feature-compile-32), 1) 1044 CFLAGS += -DHAVE_PERF_READ_VDSO32 1045 else 1046 NO_PERF_READ_VDSO32 := 1 1047 endif 1048 endif 1049 ifneq ($(SRCARCH), x86) 1050 NO_PERF_READ_VDSOX32 := 1 1051 endif 1052 ifndef NO_PERF_READ_VDSOX32 1053 $(call feature_check,compile-x32) 1054 ifeq ($(feature-compile-x32), 1) 1055 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1056 else 1057 NO_PERF_READ_VDSOX32 := 1 1058 endif 1059 endif 1060else 1061 NO_PERF_READ_VDSO32 := 1 1062 NO_PERF_READ_VDSOX32 := 1 1063endif 1064 1065ifndef NO_LIBBABELTRACE 1066 $(call feature_check,libbabeltrace) 1067 ifeq ($(feature-libbabeltrace), 1) 1068 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS) 1069 LDFLAGS += $(LIBBABELTRACE_LDFLAGS) 1070 EXTLIBS += -lbabeltrace-ctf 1071 $(call detected,CONFIG_LIBBABELTRACE) 1072 else 1073 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev); 1074 endif 1075endif 1076 1077ifndef NO_AUXTRACE 1078 ifeq ($(SRCARCH),x86) 1079 ifeq ($(feature-get_cpuid), 0) 1080 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc); 1081 NO_AUXTRACE := 1 1082 endif 1083 endif 1084 ifndef NO_AUXTRACE 1085 $(call detected,CONFIG_AUXTRACE) 1086 CFLAGS += -DHAVE_AUXTRACE_SUPPORT 1087 ifeq ($(feature-reallocarray), 0) 1088 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 1089 endif 1090 endif 1091endif 1092 1093ifdef EXTRA_TESTS 1094 $(call detected,CONFIG_EXTRA_TESTS) 1095 CFLAGS += -DHAVE_EXTRA_TESTS 1096endif 1097 1098ifndef NO_JVMTI 1099 ifneq (,$(wildcard /usr/sbin/update-java-alternatives)) 1100 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}') 1101 else 1102 ifneq (,$(wildcard /usr/sbin/alternatives)) 1103 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g') 1104 endif 1105 endif 1106 ifndef JDIR 1107 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory) 1108 NO_JVMTI := 1 1109 endif 1110endif 1111 1112ifndef NO_JVMTI 1113 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux 1114 $(call feature_check,jvmti) 1115 ifeq ($(feature-jvmti), 1) 1116 $(call detected_var,JDIR) 1117 ifndef NO_JVMTI_CMLR 1118 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti) 1119 $(call feature_check,jvmti-cmlr) 1120 ifeq ($(feature-jvmti-cmlr), 1) 1121 CFLAGS += -DHAVE_JVMTI_CMLR 1122 endif 1123 endif # NO_JVMTI_CMLR 1124 else 1125 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel) 1126 NO_JVMTI := 1 1127 endif 1128endif 1129 1130USE_CXX = 0 1131USE_CLANGLLVM = 0 1132ifdef LIBCLANGLLVM 1133 $(call feature_check,cxx) 1134 ifneq ($(feature-cxx), 1) 1135 msg := $(warning No g++ found, disable clang and llvm support. Please install g++) 1136 else 1137 $(call feature_check,llvm) 1138 $(call feature_check,llvm-version) 1139 ifneq ($(feature-llvm), 1) 1140 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0)) 1141 else 1142 $(call feature_check,clang) 1143 ifneq ($(feature-clang), 1) 1144 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0)) 1145 else 1146 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT 1147 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir) 1148 $(call detected,CONFIG_CXX) 1149 $(call detected,CONFIG_CLANGLLVM) 1150 USE_CXX = 1 1151 USE_LLVM = 1 1152 USE_CLANG = 1 1153 ifneq ($(feature-llvm-version),1) 1154 msg := $(warning This version of LLVM is not tested. May cause build errors) 1155 endif 1156 endif 1157 endif 1158 endif 1159endif 1160 1161ifndef NO_LIBPFM4 1162 $(call feature_check,libpfm4) 1163 ifeq ($(feature-libpfm4), 1) 1164 CFLAGS += -DHAVE_LIBPFM 1165 EXTLIBS += -lpfm 1166 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 1167 $(call detected,CONFIG_LIBPFM4) 1168 else 1169 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev); 1170 endif 1171endif 1172 1173# libtraceevent is a recommended dependency picked up from the system. 1174ifneq ($(NO_LIBTRACEEVENT),1) 1175 $(call feature_check,libtraceevent) 1176 ifeq ($(feature-libtraceevent), 1) 1177 CFLAGS += -DHAVE_LIBTRACEEVENT 1178 EXTLIBS += -ltraceevent 1179 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent) 1180 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1181 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1182 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1183 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3)) 1184 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP) 1185 $(call detected,CONFIG_LIBTRACEEVENT) 1186 else 1187 dummy := $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel or build with NO_LIBTRACEEVENT=1) 1188 endif 1189 1190 $(call feature_check,libtracefs) 1191 ifeq ($(feature-libtracefs), 1) 1192 EXTLIBS += -ltracefs 1193 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs) 1194 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION))) 1195 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION))) 1196 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION))) 1197 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3)) 1198 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP) 1199 endif 1200endif 1201 1202# Among the variables below, these: 1203# perfexecdir 1204# libbpf_include_dir 1205# perf_examples_dir 1206# template_dir 1207# mandir 1208# infodir 1209# htmldir 1210# ETC_PERFCONFIG (but not sysconfdir) 1211# can be specified as a relative path some/where/else; 1212# this is interpreted as relative to $(prefix) and "perf" at 1213# runtime figures out where they are based on the path to the executable. 1214# This can help installing the suite in a relocatable way. 1215 1216# Make the path relative to DESTDIR, not to prefix 1217ifndef DESTDIR 1218prefix ?= $(HOME) 1219endif 1220bindir_relative = bin 1221bindir = $(abspath $(prefix)/$(bindir_relative)) 1222includedir_relative = include 1223includedir = $(abspath $(prefix)/$(includedir_relative)) 1224mandir = share/man 1225infodir = share/info 1226perfexecdir = libexec/perf-core 1227# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance 1228libbpf_include_dir = /usr/include 1229perf_examples_dir = lib/perf/examples 1230sharedir = $(prefix)/share 1231template_dir = share/perf-core/templates 1232STRACE_GROUPS_DIR = share/perf-core/strace/groups 1233htmldir = share/doc/perf-doc 1234tipdir = share/doc/perf-tip 1235srcdir = $(srctree)/tools/perf 1236ifeq ($(prefix),/usr) 1237sysconfdir = /etc 1238ETC_PERFCONFIG = $(sysconfdir)/perfconfig 1239else 1240sysconfdir = $(prefix)/etc 1241ETC_PERFCONFIG = etc/perfconfig 1242endif 1243ifndef lib 1244ifeq ($(SRCARCH)$(IS_64_BIT), x861) 1245lib = lib64 1246else 1247lib = lib 1248endif 1249endif # lib 1250libdir = $(prefix)/$(lib) 1251 1252# Shell quote (do not use $(call) to accommodate ancient setups); 1253ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) 1254STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR)) 1255DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) 1256bindir_SQ = $(subst ','\'',$(bindir)) 1257includedir_SQ = $(subst ','\'',$(includedir)) 1258mandir_SQ = $(subst ','\'',$(mandir)) 1259infodir_SQ = $(subst ','\'',$(infodir)) 1260perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) 1261libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir)) 1262perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir)) 1263template_dir_SQ = $(subst ','\'',$(template_dir)) 1264htmldir_SQ = $(subst ','\'',$(htmldir)) 1265tipdir_SQ = $(subst ','\'',$(tipdir)) 1266prefix_SQ = $(subst ','\'',$(prefix)) 1267sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) 1268libdir_SQ = $(subst ','\'',$(libdir)) 1269srcdir_SQ = $(subst ','\'',$(srcdir)) 1270 1271ifneq ($(filter /%,$(firstword $(perfexecdir))),) 1272perfexec_instdir = $(perfexecdir) 1273perf_include_instdir = $(libbpf_include_dir) 1274perf_examples_instdir = $(perf_examples_dir) 1275STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) 1276tip_instdir = $(tipdir) 1277else 1278perfexec_instdir = $(prefix)/$(perfexecdir) 1279perf_include_instdir = $(prefix)/$(libbpf_include_dir) 1280perf_examples_instdir = $(prefix)/$(perf_examples_dir) 1281STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) 1282tip_instdir = $(prefix)/$(tipdir) 1283endif 1284perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) 1285perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir)) 1286perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir)) 1287STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) 1288tip_instdir_SQ = $(subst ','\'',$(tip_instdir)) 1289 1290export perfexec_instdir_SQ 1291 1292print_var = $(eval $(print_var_code)) $(info $(MSG)) 1293define print_var_code 1294 MSG = $(shell printf '...%40s: %s' $(1) $($(1))) 1295endef 1296 1297ifeq ($(feature_display),1) 1298 $(call feature_display_entries) 1299endif 1300 1301ifeq ($(VF),1) 1302 # Display EXTRA features which are detected manualy 1303 # from here with feature_check call and thus cannot 1304 # be partof global state output. 1305 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG))) 1306 $(call print_var,prefix) 1307 $(call print_var,bindir) 1308 $(call print_var,libdir) 1309 $(call print_var,sysconfdir) 1310 $(call print_var,LIBUNWIND_DIR) 1311 $(call print_var,LIBDW_DIR) 1312 $(call print_var,JDIR) 1313 1314 ifeq ($(dwarf-post-unwind),1) 1315 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG)) 1316 endif 1317endif 1318 1319$(info ) 1320 1321$(call detected_var,bindir_SQ) 1322$(call detected_var,PYTHON_WORD) 1323ifneq ($(OUTPUT),) 1324$(call detected_var,OUTPUT) 1325endif 1326$(call detected_var,htmldir_SQ) 1327$(call detected_var,infodir_SQ) 1328$(call detected_var,mandir_SQ) 1329$(call detected_var,ETC_PERFCONFIG_SQ) 1330$(call detected_var,STRACE_GROUPS_DIR_SQ) 1331$(call detected_var,prefix_SQ) 1332$(call detected_var,perfexecdir_SQ) 1333$(call detected_var,libbpf_include_dir_SQ) 1334$(call detected_var,perf_examples_dir_SQ) 1335$(call detected_var,tipdir_SQ) 1336$(call detected_var,srcdir_SQ) 1337$(call detected_var,LIBDIR) 1338$(call detected_var,GTK_CFLAGS) 1339$(call detected_var,PERL_EMBED_CCOPTS) 1340$(call detected_var,PYTHON_EMBED_CCOPTS) 1341ifneq ($(BISON_FILE_PREFIX_MAP),) 1342$(call detected_var,BISON_FILE_PREFIX_MAP) 1343endif 1344 1345# re-generate FEATURE-DUMP as we may have called feature_check, found out 1346# extra libraries to add to LDFLAGS of some other test and then redo those 1347# tests, see the block about libbfd, disassembler-four-args, for instance. 1348$(shell rm -f $(FEATURE_DUMP_FILENAME)) 1349$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) 1350