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 249endif 250 251ifdef PARSER_DEBUG 252 PARSER_DEBUG_BISON := -t 253 PARSER_DEBUG_FLEX := -d 254 CFLAGS += -DPARSER_DEBUG 255 $(call detected_var,PARSER_DEBUG_BISON) 256 $(call detected_var,PARSER_DEBUG_FLEX) 257endif 258 259ifdef LTO 260 CORE_CFLAGS += -flto 261 CXXFLAGS += -flto 262endif 263 264# Try different combinations to accommodate systems that only have 265# python[2][3]-config in weird combinations in the following order of 266# priority from lowest to highest: 267# * python2-config as per pep-0394. 268# * python-config 269# * python3-config 270# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't) 271# 272PYTHON_AUTO := python-config 273PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO)) 274PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO)) 275PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO)) 276 277# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user 278# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist. 279ifdef PYTHON 280 ifndef PYTHON_CONFIG 281 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config) 282 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\ 283 $(call $(error $(PYTHON)-config not found))) 284 endif 285endif 286 287# Select either auto detected python and python-config or use user supplied values if they are 288# defined. get-executable-or-default fails with an error if the first argument is supplied but 289# doesn't exist. 290override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO)) 291override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG))) 292 293grep-libs = $(filter -l%,$(1)) 294strip-libs = $(filter-out -l%,$(1)) 295 296PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG)) 297 298# Python 3.8 changed the output of `python-config --ldflags` to not include the 299# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for 300# libpython fails if that flag is not included in LDFLAGS 301ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0) 302 PYTHON_CONFIG_LDFLAGS := --ldflags --embed 303else 304 PYTHON_CONFIG_LDFLAGS := --ldflags 305endif 306 307ifdef PYTHON_CONFIG 308 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null) 309 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS)) 310 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil 311 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null) 312 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS) 313 ifeq ($(CC_NO_CLANG), 0) 314 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS)) 315 endif 316endif 317 318FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS) 319FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS) 320 321FEATURE_CHECK_LDFLAGS-libaio = -lrt 322 323FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl 324FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl 325 326CORE_CFLAGS += -fno-omit-frame-pointer 327CORE_CFLAGS += -ggdb3 328CORE_CFLAGS += -funwind-tables 329CORE_CFLAGS += -Wall 330CORE_CFLAGS += -Wextra 331CORE_CFLAGS += -std=gnu11 332 333CXXFLAGS += -std=gnu++14 -fno-exceptions -fno-rtti 334CXXFLAGS += -Wall 335CXXFLAGS += -fno-omit-frame-pointer 336CXXFLAGS += -ggdb3 337CXXFLAGS += -funwind-tables 338CXXFLAGS += -Wno-strict-aliasing 339 340HOSTCFLAGS += -Wall 341HOSTCFLAGS += -Wextra 342 343# Enforce a non-executable stack, as we may regress (again) in the future by 344# adding assembler files missing the .GNU-stack linker note. 345LDFLAGS += -Wl,-z,noexecstack 346 347EXTLIBS = -lpthread -lrt -lm -ldl 348 349ifneq ($(TCMALLOC),) 350 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free 351 EXTLIBS += -ltcmalloc 352endif 353 354ifeq ($(FEATURES_DUMP),) 355# We will display at the end of this Makefile.config, using $(call feature_display_entries) 356# As we may retry some feature detection here, see the disassembler-four-args case, for instance 357 FEATURE_DISPLAY_DEFERRED := 1 358include $(srctree)/tools/build/Makefile.feature 359else 360include $(FEATURES_DUMP) 361endif 362 363ifeq ($(feature-stackprotector-all), 1) 364 CORE_CFLAGS += -fstack-protector-all 365endif 366 367ifeq ($(DEBUG),0) 368 ifeq ($(feature-fortify-source), 1) 369 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 370 endif 371endif 372 373INC_FLAGS += -I$(src-perf)/util/include 374INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include 375INC_FLAGS += -I$(srctree)/tools/include/ 376INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi 377INC_FLAGS += -I$(srctree)/tools/include/uapi 378INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/ 379INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/ 380 381# $(obj-perf) for generated common-cmds.h 382# $(obj-perf)/util for generated bison/flex headers 383ifneq ($(OUTPUT),) 384INC_FLAGS += -I$(obj-perf)/util 385INC_FLAGS += -I$(obj-perf) 386endif 387 388INC_FLAGS += -I$(src-perf)/util 389INC_FLAGS += -I$(src-perf) 390 391CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE 392 393CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS) 394CXXFLAGS += $(INC_FLAGS) 395 396LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS) 397 398ifeq ($(feature-pthread-attr-setaffinity-np), 1) 399 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP 400endif 401 402ifeq ($(feature-pthread-barrier), 1) 403 CFLAGS += -DHAVE_PTHREAD_BARRIER 404endif 405 406ifndef NO_BIONIC 407 $(call feature_check,bionic) 408 ifeq ($(feature-bionic), 1) 409 BIONIC := 1 410 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE 411 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE 412 EXTLIBS := $(filter-out -lrt,$(EXTLIBS)) 413 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS)) 414 endif 415endif 416 417ifeq ($(feature-eventfd), 1) 418 CFLAGS += -DHAVE_EVENTFD_SUPPORT 419endif 420 421ifeq ($(feature-get_current_dir_name), 1) 422 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME 423endif 424 425ifeq ($(feature-gettid), 1) 426 CFLAGS += -DHAVE_GETTID 427endif 428 429ifeq ($(feature-file-handle), 1) 430 CFLAGS += -DHAVE_FILE_HANDLE 431endif 432 433ifdef NO_LIBELF 434 NO_DWARF := 1 435 NO_LIBUNWIND := 1 436 NO_LIBDW_DWARF_UNWIND := 1 437 NO_LIBBPF := 1 438 NO_JVMTI := 1 439else 440 ifeq ($(feature-libelf), 0) 441 ifeq ($(feature-glibc), 1) 442 LIBC_SUPPORT := 1 443 endif 444 ifeq ($(BIONIC),1) 445 LIBC_SUPPORT := 1 446 endif 447 ifeq ($(LIBC_SUPPORT),1) 448 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.) 449 else 450 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),) 451 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0) 452 msg := $(error No libasan found, please install libasan); 453 endif 454 endif 455 456 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),) 457 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0) 458 msg := $(error No libubsan found, please install libubsan); 459 endif 460 endif 461 462 ifneq ($(filter s% -static%,$(LDFLAGS),),) 463 msg := $(error No static glibc found, please install glibc-static); 464 else 465 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]); 466 endif 467 endif 468 else 469 ifndef NO_LIBDW_DWARF_UNWIND 470 ifneq ($(feature-libdw-dwarf-unwind),1) 471 NO_LIBDW_DWARF_UNWIND := 1 472 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR); 473 endif 474 endif 475 ifneq ($(feature-dwarf), 1) 476 ifndef NO_DWARF 477 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); 478 NO_DWARF := 1 479 endif 480 else 481 ifneq ($(feature-dwarf_getlocations), 1) 482 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157); 483 else 484 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT 485 endif # dwarf_getlocations 486 endif # Dwarf support 487 endif # libelf support 488endif # NO_LIBELF 489 490ifeq ($(feature-libaio), 1) 491 ifndef NO_AIO 492 CFLAGS += -DHAVE_AIO_SUPPORT 493 endif 494endif 495 496ifdef NO_DWARF 497 NO_LIBDW_DWARF_UNWIND := 1 498endif 499 500ifeq ($(feature-scandirat), 1) 501 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT 502endif 503 504ifeq ($(feature-sched_getcpu), 1) 505 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT 506endif 507 508ifeq ($(feature-setns), 1) 509 CFLAGS += -DHAVE_SETNS_SUPPORT 510 $(call detected,CONFIG_SETNS) 511endif 512 513ifdef CORESIGHT 514 $(call feature_check,libopencsd) 515 ifeq ($(feature-libopencsd), 1) 516 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS) 517 ifeq ($(feature-reallocarray), 0) 518 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 519 endif 520 LDFLAGS += $(LIBOPENCSD_LDFLAGS) 521 EXTLIBS += $(OPENCSDLIBS) 522 $(call detected,CONFIG_LIBOPENCSD) 523 ifdef CSTRACE_RAW 524 CFLAGS += -DCS_DEBUG_RAW 525 ifeq (${CSTRACE_RAW}, packed) 526 CFLAGS += -DCS_RAW_PACKED 527 endif 528 endif 529 else 530 dummy := $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1) 531 endif 532endif 533 534ifndef NO_LIBELF 535 CFLAGS += -DHAVE_LIBELF_SUPPORT 536 EXTLIBS += -lelf 537 $(call detected,CONFIG_LIBELF) 538 539 ifeq ($(feature-libelf-getphdrnum), 1) 540 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT 541 endif 542 543 ifeq ($(feature-libelf-gelf_getnote), 1) 544 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT 545 else 546 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled); 547 endif 548 549 ifeq ($(feature-libelf-getshdrstrndx), 1) 550 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT 551 endif 552 553 ifndef NO_LIBDEBUGINFOD 554 $(call feature_check,libdebuginfod) 555 ifeq ($(feature-libdebuginfod), 1) 556 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT 557 EXTLIBS += -ldebuginfod 558 endif 559 endif 560 561 ifndef NO_DWARF 562 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined) 563 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled); 564 NO_DWARF := 1 565 else 566 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS) 567 LDFLAGS += $(LIBDW_LDFLAGS) 568 EXTLIBS += ${DWARFLIBS} 569 $(call detected,CONFIG_DWARF) 570 endif # PERF_HAVE_DWARF_REGS 571 endif # NO_DWARF 572 573 ifndef NO_LIBBPF 574 ifeq ($(feature-bpf), 1) 575 CFLAGS += -DHAVE_LIBBPF_SUPPORT 576 $(call detected,CONFIG_LIBBPF) 577 578 # 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 $(call detected,CONFIG_LIBBPF_DYNAMIC) 585 else 586 dummy := $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel); 587 endif 588 else 589 # Libbpf will be built as a static library from tools/lib/bpf. 590 LIBBPF_STATIC := 1 591 endif 592 endif 593 594 ifndef NO_DWARF 595 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 596 CFLAGS += -DHAVE_BPF_PROLOGUE 597 $(call detected,CONFIG_BPF_PROLOGUE) 598 else 599 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset()); 600 endif 601 else 602 msg := $(warning DWARF support is off, BPF prologue is disabled); 603 endif 604 605 endif # NO_LIBBPF 606endif # NO_LIBELF 607 608ifndef NO_SDT 609 ifneq ($(feature-sdt), 1) 610 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev); 611 NO_SDT := 1; 612 else 613 CFLAGS += -DHAVE_SDT_EVENT 614 $(call detected,CONFIG_SDT_EVENT) 615 endif 616endif 617 618ifdef PERF_HAVE_JITDUMP 619 ifndef NO_LIBELF 620 $(call detected,CONFIG_JITDUMP) 621 CFLAGS += -DHAVE_JITDUMP 622 endif 623endif 624 625ifeq ($(SRCARCH),powerpc) 626 ifndef NO_DWARF 627 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX 628 endif 629endif 630 631ifndef NO_LIBUNWIND 632 have_libunwind := 633 634 $(call feature_check,libunwind-x86) 635 ifeq ($(feature-libunwind-x86), 1) 636 $(call detected,CONFIG_LIBUNWIND_X86) 637 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT 638 LDFLAGS += -lunwind-x86 639 EXTLIBS_LIBUNWIND += -lunwind-x86 640 have_libunwind = 1 641 endif 642 643 $(call feature_check,libunwind-aarch64) 644 ifeq ($(feature-libunwind-aarch64), 1) 645 $(call detected,CONFIG_LIBUNWIND_AARCH64) 646 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT 647 LDFLAGS += -lunwind-aarch64 648 EXTLIBS_LIBUNWIND += -lunwind-aarch64 649 have_libunwind = 1 650 $(call feature_check,libunwind-debug-frame-aarch64) 651 ifneq ($(feature-libunwind-debug-frame-aarch64), 1) 652 msg := $(warning No debug_frame support found in libunwind-aarch64); 653 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64 654 endif 655 endif 656 657 ifneq ($(feature-libunwind), 1) 658 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR); 659 NO_LOCAL_LIBUNWIND := 1 660 else 661 have_libunwind := 1 662 $(call detected,CONFIG_LOCAL_LIBUNWIND) 663 endif 664 665 ifneq ($(have_libunwind), 1) 666 NO_LIBUNWIND := 1 667 endif 668else 669 NO_LOCAL_LIBUNWIND := 1 670endif 671 672ifndef NO_LIBBPF 673 ifneq ($(feature-bpf), 1) 674 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) 675 NO_LIBBPF := 1 676 endif 677endif 678 679ifdef BUILD_BPF_SKEL 680 $(call feature_check,clang-bpf-co-re) 681 ifeq ($(feature-clang-bpf-co-re), 0) 682 dummy := $(error Error: clang too old/not installed. Please install recent clang to build with BUILD_BPF_SKEL) 683 endif 684 ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) 685 dummy := $(error Error: BPF skeleton support requires libbpf) 686 endif 687 $(call detected,CONFIG_PERF_BPF_SKEL) 688 CFLAGS += -DHAVE_BPF_SKEL 689endif 690 691ifndef GEN_VMLINUX_H 692 VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h 693endif 694 695dwarf-post-unwind := 1 696dwarf-post-unwind-text := BUG 697 698# setup DWARF post unwinder 699ifdef NO_LIBUNWIND 700 ifdef NO_LIBDW_DWARF_UNWIND 701 msg := $(warning Disabling post unwind, no support found.); 702 dwarf-post-unwind := 0 703 else 704 dwarf-post-unwind-text := libdw 705 $(call detected,CONFIG_LIBDW_DWARF_UNWIND) 706 endif 707else 708 dwarf-post-unwind-text := libunwind 709 $(call detected,CONFIG_LIBUNWIND) 710 # Enable libunwind support by default. 711 ifndef NO_LIBDW_DWARF_UNWIND 712 NO_LIBDW_DWARF_UNWIND := 1 713 endif 714endif 715 716ifeq ($(dwarf-post-unwind),1) 717 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT 718 $(call detected,CONFIG_DWARF_UNWIND) 719else 720 NO_DWARF_UNWIND := 1 721endif 722 723ifndef NO_LOCAL_LIBUNWIND 724 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64)) 725 $(call feature_check,libunwind-debug-frame) 726 ifneq ($(feature-libunwind-debug-frame), 1) 727 msg := $(warning No debug_frame support found in libunwind); 728 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 729 endif 730 else 731 # non-ARM has no dwarf_find_debug_frame() function: 732 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 733 endif 734 EXTLIBS += $(LIBUNWIND_LIBS) 735 LDFLAGS += $(LIBUNWIND_LIBS) 736endif 737ifeq ($(findstring -static,${LDFLAGS}),-static) 738 # gcc -static links libgcc_eh which contans piece of libunwind 739 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition 740endif 741 742ifndef NO_LIBUNWIND 743 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT 744 CFLAGS += $(LIBUNWIND_CFLAGS) 745 LDFLAGS += $(LIBUNWIND_LDFLAGS) 746 EXTLIBS += $(EXTLIBS_LIBUNWIND) 747endif 748 749ifneq ($(NO_LIBTRACEEVENT),1) 750 ifeq ($(NO_SYSCALL_TABLE),0) 751 $(call detected,CONFIG_TRACE) 752 else 753 ifndef NO_LIBAUDIT 754 $(call feature_check,libaudit) 755 ifneq ($(feature-libaudit), 1) 756 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev); 757 NO_LIBAUDIT := 1 758 else 759 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT 760 EXTLIBS += -laudit 761 $(call detected,CONFIG_TRACE) 762 endif 763 endif 764 endif 765endif 766 767ifndef NO_LIBCRYPTO 768 ifneq ($(feature-libcrypto), 1) 769 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev); 770 NO_LIBCRYPTO := 1 771 else 772 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT 773 EXTLIBS += -lcrypto 774 $(call detected,CONFIG_CRYPTO) 775 endif 776endif 777 778ifndef NO_SLANG 779 ifneq ($(feature-libslang), 1) 780 ifneq ($(feature-libslang-include-subdir), 1) 781 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev); 782 NO_SLANG := 1 783 else 784 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR 785 endif 786 endif 787 ifndef NO_SLANG 788 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h 789 CFLAGS += -DHAVE_SLANG_SUPPORT 790 EXTLIBS += -lslang 791 $(call detected,CONFIG_SLANG) 792 endif 793endif 794 795ifdef GTK2 796 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) 797 $(call feature_check,gtk2) 798 ifneq ($(feature-gtk2), 1) 799 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev); 800 NO_GTK2 := 1 801 else 802 $(call feature_check,gtk2-infobar) 803 ifeq ($(feature-gtk2-infobar), 1) 804 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT 805 endif 806 CFLAGS += -DHAVE_GTK2_SUPPORT 807 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) 808 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) 809 EXTLIBS += -ldl 810 endif 811endif 812 813ifdef NO_LIBPERL 814 CFLAGS += -DNO_LIBPERL 815else 816 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) 817 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) 818 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) 819 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) 820 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) 821 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) 822 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 823 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) 824 825 ifneq ($(feature-libperl), 1) 826 CFLAGS += -DNO_LIBPERL 827 NO_LIBPERL := 1 828 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev); 829 else 830 LDFLAGS += $(PERL_EMBED_LDFLAGS) 831 EXTLIBS += $(PERL_EMBED_LIBADD) 832 CFLAGS += -DHAVE_LIBPERL_SUPPORT 833 ifeq ($(CC_NO_CLANG), 0) 834 CFLAGS += -Wno-compound-token-split-by-macro 835 endif 836 $(call detected,CONFIG_LIBPERL) 837 endif 838endif 839 840ifeq ($(feature-timerfd), 1) 841 CFLAGS += -DHAVE_TIMERFD_SUPPORT 842else 843 msg := $(warning No timerfd support. Disables 'perf kvm stat live'); 844endif 845 846disable-python = $(eval $(disable-python_code)) 847define disable-python_code 848 CFLAGS += -DNO_LIBPYTHON 849 $(warning $1) 850 NO_LIBPYTHON := 1 851endef 852 853PYTHON_EXTENSION_SUFFIX := '.so' 854ifdef NO_LIBPYTHON 855 $(call disable-python,Python support disabled by user) 856else 857 858 ifndef PYTHON 859 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev) 860 else 861 PYTHON_WORD := $(call shell-wordify,$(PYTHON)) 862 863 ifndef PYTHON_CONFIG 864 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) 865 else 866 867 ifneq ($(feature-libpython), 1) 868 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev) 869 else 870 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 871 EXTLIBS += $(PYTHON_EMBED_LIBADD) 872 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no") 873 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes) 874 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])') 875 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX) 876 else 877 msg := $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent); 878 endif 879 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT 880 $(call detected,CONFIG_LIBPYTHON) 881 endif 882 endif 883 endif 884endif 885 886ifneq ($(NO_JEVENTS),1) 887 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),) 888 NO_JEVENTS := 1 889 endif 890endif 891ifneq ($(NO_JEVENTS),1) 892 NO_JEVENTS := 0 893 ifndef PYTHON 894 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.) 895 else 896 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016. 897 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) 898 ifneq ($(JEVENTS_PYTHON_GOOD), 1) 899 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.) 900 endif 901 endif 902endif 903 904ifdef BUILD_NONDISTRO 905 ifeq ($(feature-libbfd), 1) 906 EXTLIBS += -lbfd -lopcodes 907 else 908 # we are on a system that requires -liberty and (maybe) -lz 909 # to link against -lbfd; test each case individually here 910 911 # call all detections now so we get correct 912 # status in VF output 913 $(call feature_check,libbfd-liberty) 914 $(call feature_check,libbfd-liberty-z) 915 916 ifeq ($(feature-libbfd-liberty), 1) 917 EXTLIBS += -lbfd -lopcodes -liberty 918 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl 919 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl 920 else 921 ifeq ($(feature-libbfd-liberty-z), 1) 922 EXTLIBS += -lbfd -lopcodes -liberty -lz 923 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl 924 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl 925 endif 926 endif 927 $(call feature_check,disassembler-four-args) 928 $(call feature_check,disassembler-init-styled) 929 endif 930 931 CFLAGS += -DHAVE_LIBBFD_SUPPORT 932 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT 933 ifeq ($(feature-libbfd-buildid), 1) 934 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT 935 else 936 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available); 937 endif 938endif 939 940ifndef NO_DEMANGLE 941 $(call feature_check,cxa-demangle) 942 ifeq ($(feature-cxa-demangle), 1) 943 EXTLIBS += -lstdc++ 944 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 945 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 946 $(call detected,CONFIG_CXX_DEMANGLE) 947 endif 948 ifdef BUILD_NONDISTRO 949 ifeq ($(filter -liberty,$(EXTLIBS)),) 950 $(call feature_check,cplus-demangle) 951 ifeq ($(feature-cplus-demangle), 1) 952 EXTLIBS += -liberty 953 endif 954 endif 955 ifneq ($(filter -liberty,$(EXTLIBS)),) 956 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 957 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 958 endif 959 endif 960endif 961 962ifndef NO_ZLIB 963 ifeq ($(feature-zlib), 1) 964 CFLAGS += -DHAVE_ZLIB_SUPPORT 965 EXTLIBS += -lz 966 $(call detected,CONFIG_ZLIB) 967 else 968 NO_ZLIB := 1 969 endif 970endif 971 972ifndef NO_LZMA 973 ifeq ($(feature-lzma), 1) 974 CFLAGS += -DHAVE_LZMA_SUPPORT 975 EXTLIBS += -llzma 976 $(call detected,CONFIG_LZMA) 977 else 978 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev); 979 NO_LZMA := 1 980 endif 981endif 982 983ifndef NO_LIBZSTD 984 ifeq ($(feature-libzstd), 1) 985 CFLAGS += -DHAVE_ZSTD_SUPPORT 986 CFLAGS += $(LIBZSTD_CFLAGS) 987 LDFLAGS += $(LIBZSTD_LDFLAGS) 988 EXTLIBS += -lzstd 989 $(call detected,CONFIG_ZSTD) 990 else 991 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR); 992 NO_LIBZSTD := 1 993 endif 994endif 995 996ifndef NO_LIBCAP 997 ifeq ($(feature-libcap), 1) 998 CFLAGS += -DHAVE_LIBCAP_SUPPORT 999 EXTLIBS += -lcap 1000 $(call detected,CONFIG_LIBCAP) 1001 else 1002 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev); 1003 NO_LIBCAP := 1 1004 endif 1005endif 1006 1007ifndef NO_BACKTRACE 1008 ifeq ($(feature-backtrace), 1) 1009 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 1010 endif 1011endif 1012 1013ifndef NO_LIBNUMA 1014 ifeq ($(feature-libnuma), 0) 1015 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev); 1016 NO_LIBNUMA := 1 1017 else 1018 ifeq ($(feature-numa_num_possible_cpus), 0) 1019 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8); 1020 NO_LIBNUMA := 1 1021 else 1022 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 1023 EXTLIBS += -lnuma 1024 $(call detected,CONFIG_NUMA) 1025 endif 1026 endif 1027endif 1028 1029ifdef HAVE_KVM_STAT_SUPPORT 1030 CFLAGS += -DHAVE_KVM_STAT_SUPPORT 1031endif 1032 1033ifeq ($(feature-disassembler-four-args), 1) 1034 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 1035endif 1036 1037ifeq ($(feature-disassembler-init-styled), 1) 1038 CFLAGS += -DDISASM_INIT_STYLED 1039endif 1040 1041ifeq (${IS_64_BIT}, 1) 1042 ifndef NO_PERF_READ_VDSO32 1043 $(call feature_check,compile-32) 1044 ifeq ($(feature-compile-32), 1) 1045 CFLAGS += -DHAVE_PERF_READ_VDSO32 1046 else 1047 NO_PERF_READ_VDSO32 := 1 1048 endif 1049 endif 1050 ifneq ($(SRCARCH), x86) 1051 NO_PERF_READ_VDSOX32 := 1 1052 endif 1053 ifndef NO_PERF_READ_VDSOX32 1054 $(call feature_check,compile-x32) 1055 ifeq ($(feature-compile-x32), 1) 1056 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1057 else 1058 NO_PERF_READ_VDSOX32 := 1 1059 endif 1060 endif 1061else 1062 NO_PERF_READ_VDSO32 := 1 1063 NO_PERF_READ_VDSOX32 := 1 1064endif 1065 1066ifndef NO_LIBBABELTRACE 1067 $(call feature_check,libbabeltrace) 1068 ifeq ($(feature-libbabeltrace), 1) 1069 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS) 1070 LDFLAGS += $(LIBBABELTRACE_LDFLAGS) 1071 EXTLIBS += -lbabeltrace-ctf 1072 $(call detected,CONFIG_LIBBABELTRACE) 1073 else 1074 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev); 1075 endif 1076endif 1077 1078ifndef NO_AUXTRACE 1079 ifeq ($(SRCARCH),x86) 1080 ifeq ($(feature-get_cpuid), 0) 1081 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc); 1082 NO_AUXTRACE := 1 1083 endif 1084 endif 1085 ifndef NO_AUXTRACE 1086 $(call detected,CONFIG_AUXTRACE) 1087 CFLAGS += -DHAVE_AUXTRACE_SUPPORT 1088 ifeq ($(feature-reallocarray), 0) 1089 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 1090 endif 1091 endif 1092endif 1093 1094ifdef EXTRA_TESTS 1095 $(call detected,CONFIG_EXTRA_TESTS) 1096 CFLAGS += -DHAVE_EXTRA_TESTS 1097endif 1098 1099ifndef NO_JVMTI 1100 ifneq (,$(wildcard /usr/sbin/update-java-alternatives)) 1101 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}') 1102 else 1103 ifneq (,$(wildcard /usr/sbin/alternatives)) 1104 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g') 1105 endif 1106 endif 1107 ifndef JDIR 1108 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory) 1109 NO_JVMTI := 1 1110 endif 1111endif 1112 1113ifndef NO_JVMTI 1114 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux 1115 $(call feature_check,jvmti) 1116 ifeq ($(feature-jvmti), 1) 1117 $(call detected_var,JDIR) 1118 ifndef NO_JVMTI_CMLR 1119 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti) 1120 $(call feature_check,jvmti-cmlr) 1121 ifeq ($(feature-jvmti-cmlr), 1) 1122 CFLAGS += -DHAVE_JVMTI_CMLR 1123 endif 1124 endif # NO_JVMTI_CMLR 1125 else 1126 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel) 1127 NO_JVMTI := 1 1128 endif 1129endif 1130 1131USE_CXX = 0 1132USE_CLANGLLVM = 0 1133ifdef LIBCLANGLLVM 1134 $(call feature_check,cxx) 1135 ifneq ($(feature-cxx), 1) 1136 msg := $(warning No g++ found, disable clang and llvm support. Please install g++) 1137 else 1138 $(call feature_check,llvm) 1139 $(call feature_check,llvm-version) 1140 ifneq ($(feature-llvm), 1) 1141 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0)) 1142 else 1143 $(call feature_check,clang) 1144 ifneq ($(feature-clang), 1) 1145 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0)) 1146 else 1147 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT 1148 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir) 1149 $(call detected,CONFIG_CXX) 1150 $(call detected,CONFIG_CLANGLLVM) 1151 USE_CXX = 1 1152 USE_LLVM = 1 1153 USE_CLANG = 1 1154 ifneq ($(feature-llvm-version),1) 1155 msg := $(warning This version of LLVM is not tested. May cause build errors) 1156 endif 1157 endif 1158 endif 1159 endif 1160endif 1161 1162ifndef NO_LIBPFM4 1163 $(call feature_check,libpfm4) 1164 ifeq ($(feature-libpfm4), 1) 1165 CFLAGS += -DHAVE_LIBPFM 1166 EXTLIBS += -lpfm 1167 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 1168 $(call detected,CONFIG_LIBPFM4) 1169 else 1170 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev); 1171 endif 1172endif 1173 1174# libtraceevent is a recommended dependency picked up from the system. 1175ifneq ($(NO_LIBTRACEEVENT),1) 1176 $(call feature_check,libtraceevent) 1177 ifeq ($(feature-libtraceevent), 1) 1178 CFLAGS += -DHAVE_LIBTRACEEVENT 1179 EXTLIBS += -ltraceevent 1180 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent) 1181 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1182 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1183 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1184 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3)) 1185 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP) 1186 $(call detected,CONFIG_LIBTRACEEVENT) 1187 else 1188 dummy := $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel or build with NO_LIBTRACEEVENT=1) 1189 endif 1190 1191 $(call feature_check,libtracefs) 1192 ifeq ($(feature-libtracefs), 1) 1193 EXTLIBS += -ltracefs 1194 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs) 1195 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION))) 1196 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION))) 1197 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION))) 1198 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3)) 1199 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP) 1200 endif 1201endif 1202 1203# Among the variables below, these: 1204# perfexecdir 1205# libbpf_include_dir 1206# perf_examples_dir 1207# template_dir 1208# mandir 1209# infodir 1210# htmldir 1211# ETC_PERFCONFIG (but not sysconfdir) 1212# can be specified as a relative path some/where/else; 1213# this is interpreted as relative to $(prefix) and "perf" at 1214# runtime figures out where they are based on the path to the executable. 1215# This can help installing the suite in a relocatable way. 1216 1217# Make the path relative to DESTDIR, not to prefix 1218ifndef DESTDIR 1219prefix ?= $(HOME) 1220endif 1221bindir_relative = bin 1222bindir = $(abspath $(prefix)/$(bindir_relative)) 1223includedir_relative = include 1224includedir = $(abspath $(prefix)/$(includedir_relative)) 1225mandir = share/man 1226infodir = share/info 1227perfexecdir = libexec/perf-core 1228# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance 1229libbpf_include_dir = /usr/include 1230perf_examples_dir = lib/perf/examples 1231sharedir = $(prefix)/share 1232template_dir = share/perf-core/templates 1233STRACE_GROUPS_DIR = share/perf-core/strace/groups 1234htmldir = share/doc/perf-doc 1235tipdir = share/doc/perf-tip 1236srcdir = $(srctree)/tools/perf 1237ifeq ($(prefix),/usr) 1238sysconfdir = /etc 1239ETC_PERFCONFIG = $(sysconfdir)/perfconfig 1240else 1241sysconfdir = $(prefix)/etc 1242ETC_PERFCONFIG = etc/perfconfig 1243endif 1244ifndef lib 1245ifeq ($(SRCARCH)$(IS_64_BIT), x861) 1246lib = lib64 1247else 1248lib = lib 1249endif 1250endif # lib 1251libdir = $(prefix)/$(lib) 1252 1253# Shell quote (do not use $(call) to accommodate ancient setups); 1254ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) 1255STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR)) 1256DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) 1257bindir_SQ = $(subst ','\'',$(bindir)) 1258includedir_SQ = $(subst ','\'',$(includedir)) 1259mandir_SQ = $(subst ','\'',$(mandir)) 1260infodir_SQ = $(subst ','\'',$(infodir)) 1261perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) 1262libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir)) 1263perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir)) 1264template_dir_SQ = $(subst ','\'',$(template_dir)) 1265htmldir_SQ = $(subst ','\'',$(htmldir)) 1266tipdir_SQ = $(subst ','\'',$(tipdir)) 1267prefix_SQ = $(subst ','\'',$(prefix)) 1268sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) 1269libdir_SQ = $(subst ','\'',$(libdir)) 1270srcdir_SQ = $(subst ','\'',$(srcdir)) 1271 1272ifneq ($(filter /%,$(firstword $(perfexecdir))),) 1273perfexec_instdir = $(perfexecdir) 1274perf_include_instdir = $(libbpf_include_dir) 1275perf_examples_instdir = $(perf_examples_dir) 1276STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) 1277tip_instdir = $(tipdir) 1278else 1279perfexec_instdir = $(prefix)/$(perfexecdir) 1280perf_include_instdir = $(prefix)/$(libbpf_include_dir) 1281perf_examples_instdir = $(prefix)/$(perf_examples_dir) 1282STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) 1283tip_instdir = $(prefix)/$(tipdir) 1284endif 1285perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) 1286perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir)) 1287perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir)) 1288STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) 1289tip_instdir_SQ = $(subst ','\'',$(tip_instdir)) 1290 1291export perfexec_instdir_SQ 1292 1293print_var = $(eval $(print_var_code)) $(info $(MSG)) 1294define print_var_code 1295 MSG = $(shell printf '...%40s: %s' $(1) $($(1))) 1296endef 1297 1298ifeq ($(feature_display),1) 1299 $(call feature_display_entries) 1300endif 1301 1302ifeq ($(VF),1) 1303 # Display EXTRA features which are detected manualy 1304 # from here with feature_check call and thus cannot 1305 # be partof global state output. 1306 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG))) 1307 $(call print_var,prefix) 1308 $(call print_var,bindir) 1309 $(call print_var,libdir) 1310 $(call print_var,sysconfdir) 1311 $(call print_var,LIBUNWIND_DIR) 1312 $(call print_var,LIBDW_DIR) 1313 $(call print_var,JDIR) 1314 1315 ifeq ($(dwarf-post-unwind),1) 1316 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG)) 1317 endif 1318endif 1319 1320$(info ) 1321 1322$(call detected_var,bindir_SQ) 1323$(call detected_var,PYTHON_WORD) 1324ifneq ($(OUTPUT),) 1325$(call detected_var,OUTPUT) 1326endif 1327$(call detected_var,htmldir_SQ) 1328$(call detected_var,infodir_SQ) 1329$(call detected_var,mandir_SQ) 1330$(call detected_var,ETC_PERFCONFIG_SQ) 1331$(call detected_var,STRACE_GROUPS_DIR_SQ) 1332$(call detected_var,prefix_SQ) 1333$(call detected_var,perfexecdir_SQ) 1334$(call detected_var,libbpf_include_dir_SQ) 1335$(call detected_var,perf_examples_dir_SQ) 1336$(call detected_var,tipdir_SQ) 1337$(call detected_var,srcdir_SQ) 1338$(call detected_var,LIBDIR) 1339$(call detected_var,GTK_CFLAGS) 1340$(call detected_var,PERL_EMBED_CCOPTS) 1341$(call detected_var,PYTHON_EMBED_CCOPTS) 1342ifneq ($(BISON_FILE_PREFIX_MAP),) 1343$(call detected_var,BISON_FILE_PREFIX_MAP) 1344endif 1345 1346# re-generate FEATURE-DUMP as we may have called feature_check, found out 1347# extra libraries to add to LDFLAGS of some other test and then redo those 1348# tests, see the block about libbfd, disassembler-four-args, for instance. 1349$(shell rm -f $(FEATURE_DUMP_FILENAME)) 1350$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) 1351