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++17 -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 else 558 $(warning No elfutils/debuginfod.h found, no debuginfo server support, please install libdebuginfod-dev/elfutils-debuginfod-client-devel or equivalent) 559 endif 560 endif 561 562 ifndef NO_DWARF 563 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined) 564 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled); 565 NO_DWARF := 1 566 else 567 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS) 568 LDFLAGS += $(LIBDW_LDFLAGS) 569 EXTLIBS += ${DWARFLIBS} 570 $(call detected,CONFIG_DWARF) 571 endif # PERF_HAVE_DWARF_REGS 572 endif # NO_DWARF 573 574 ifndef NO_LIBBPF 575 ifeq ($(feature-bpf), 1) 576 CFLAGS += -DHAVE_LIBBPF_SUPPORT 577 $(call detected,CONFIG_LIBBPF) 578 579 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status 580 $(call feature_check,libbpf) 581 582 ifdef LIBBPF_DYNAMIC 583 ifeq ($(feature-libbpf), 1) 584 EXTLIBS += -lbpf 585 $(call detected,CONFIG_LIBBPF_DYNAMIC) 586 else 587 dummy := $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel); 588 endif 589 else 590 # Libbpf will be built as a static library from tools/lib/bpf. 591 LIBBPF_STATIC := 1 592 endif 593 endif 594 endif # NO_LIBBPF 595endif # NO_LIBELF 596 597ifndef NO_SDT 598 ifneq ($(feature-sdt), 1) 599 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev); 600 NO_SDT := 1; 601 else 602 CFLAGS += -DHAVE_SDT_EVENT 603 $(call detected,CONFIG_SDT_EVENT) 604 endif 605endif 606 607ifdef PERF_HAVE_JITDUMP 608 ifndef NO_LIBELF 609 $(call detected,CONFIG_JITDUMP) 610 CFLAGS += -DHAVE_JITDUMP 611 endif 612endif 613 614ifeq ($(SRCARCH),powerpc) 615 ifndef NO_DWARF 616 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX 617 endif 618endif 619 620ifndef NO_LIBUNWIND 621 have_libunwind := 622 623 $(call feature_check,libunwind-x86) 624 ifeq ($(feature-libunwind-x86), 1) 625 $(call detected,CONFIG_LIBUNWIND_X86) 626 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT 627 LDFLAGS += -lunwind-x86 628 EXTLIBS_LIBUNWIND += -lunwind-x86 629 have_libunwind = 1 630 endif 631 632 $(call feature_check,libunwind-aarch64) 633 ifeq ($(feature-libunwind-aarch64), 1) 634 $(call detected,CONFIG_LIBUNWIND_AARCH64) 635 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT 636 LDFLAGS += -lunwind-aarch64 637 EXTLIBS_LIBUNWIND += -lunwind-aarch64 638 have_libunwind = 1 639 $(call feature_check,libunwind-debug-frame-aarch64) 640 ifneq ($(feature-libunwind-debug-frame-aarch64), 1) 641 msg := $(warning No debug_frame support found in libunwind-aarch64); 642 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64 643 endif 644 endif 645 646 ifneq ($(feature-libunwind), 1) 647 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR); 648 NO_LOCAL_LIBUNWIND := 1 649 else 650 have_libunwind := 1 651 $(call detected,CONFIG_LOCAL_LIBUNWIND) 652 endif 653 654 ifneq ($(have_libunwind), 1) 655 NO_LIBUNWIND := 1 656 endif 657else 658 NO_LOCAL_LIBUNWIND := 1 659endif 660 661ifndef NO_LIBBPF 662 ifneq ($(feature-bpf), 1) 663 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) 664 NO_LIBBPF := 1 665 endif 666endif 667 668ifdef BUILD_BPF_SKEL 669 $(call feature_check,clang-bpf-co-re) 670 ifeq ($(feature-clang-bpf-co-re), 0) 671 dummy := $(error Error: clang too old/not installed. Please install recent clang to build with BUILD_BPF_SKEL) 672 endif 673 ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) 674 dummy := $(error Error: BPF skeleton support requires libbpf) 675 endif 676 $(call detected,CONFIG_PERF_BPF_SKEL) 677 CFLAGS += -DHAVE_BPF_SKEL 678endif 679 680ifndef GEN_VMLINUX_H 681 VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h 682endif 683 684dwarf-post-unwind := 1 685dwarf-post-unwind-text := BUG 686 687# setup DWARF post unwinder 688ifdef NO_LIBUNWIND 689 ifdef NO_LIBDW_DWARF_UNWIND 690 msg := $(warning Disabling post unwind, no support found.); 691 dwarf-post-unwind := 0 692 else 693 dwarf-post-unwind-text := libdw 694 $(call detected,CONFIG_LIBDW_DWARF_UNWIND) 695 endif 696else 697 dwarf-post-unwind-text := libunwind 698 $(call detected,CONFIG_LIBUNWIND) 699 # Enable libunwind support by default. 700 ifndef NO_LIBDW_DWARF_UNWIND 701 NO_LIBDW_DWARF_UNWIND := 1 702 endif 703endif 704 705ifeq ($(dwarf-post-unwind),1) 706 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT 707 $(call detected,CONFIG_DWARF_UNWIND) 708else 709 NO_DWARF_UNWIND := 1 710endif 711 712ifndef NO_LOCAL_LIBUNWIND 713 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64)) 714 $(call feature_check,libunwind-debug-frame) 715 ifneq ($(feature-libunwind-debug-frame), 1) 716 msg := $(warning No debug_frame support found in libunwind); 717 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 718 endif 719 else 720 # non-ARM has no dwarf_find_debug_frame() function: 721 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 722 endif 723 EXTLIBS += $(LIBUNWIND_LIBS) 724 LDFLAGS += $(LIBUNWIND_LIBS) 725endif 726ifeq ($(findstring -static,${LDFLAGS}),-static) 727 # gcc -static links libgcc_eh which contans piece of libunwind 728 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition 729endif 730 731ifndef NO_LIBUNWIND 732 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT 733 CFLAGS += $(LIBUNWIND_CFLAGS) 734 LDFLAGS += $(LIBUNWIND_LDFLAGS) 735 EXTLIBS += $(EXTLIBS_LIBUNWIND) 736endif 737 738ifneq ($(NO_LIBTRACEEVENT),1) 739 ifeq ($(NO_SYSCALL_TABLE),0) 740 $(call detected,CONFIG_TRACE) 741 else 742 ifndef NO_LIBAUDIT 743 $(call feature_check,libaudit) 744 ifneq ($(feature-libaudit), 1) 745 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev); 746 NO_LIBAUDIT := 1 747 else 748 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT 749 EXTLIBS += -laudit 750 $(call detected,CONFIG_TRACE) 751 endif 752 endif 753 endif 754endif 755 756ifndef NO_LIBCRYPTO 757 ifneq ($(feature-libcrypto), 1) 758 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev); 759 NO_LIBCRYPTO := 1 760 else 761 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT 762 EXTLIBS += -lcrypto 763 $(call detected,CONFIG_CRYPTO) 764 endif 765endif 766 767ifndef NO_SLANG 768 ifneq ($(feature-libslang), 1) 769 ifneq ($(feature-libslang-include-subdir), 1) 770 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev); 771 NO_SLANG := 1 772 else 773 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR 774 endif 775 endif 776 ifndef NO_SLANG 777 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h 778 CFLAGS += -DHAVE_SLANG_SUPPORT 779 EXTLIBS += -lslang 780 $(call detected,CONFIG_SLANG) 781 endif 782endif 783 784ifdef GTK2 785 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) 786 $(call feature_check,gtk2) 787 ifneq ($(feature-gtk2), 1) 788 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev); 789 NO_GTK2 := 1 790 else 791 $(call feature_check,gtk2-infobar) 792 ifeq ($(feature-gtk2-infobar), 1) 793 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT 794 endif 795 CFLAGS += -DHAVE_GTK2_SUPPORT 796 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) 797 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) 798 EXTLIBS += -ldl 799 endif 800endif 801 802ifdef NO_LIBPERL 803 CFLAGS += -DNO_LIBPERL 804else 805 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) 806 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) 807 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) 808 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) 809 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) 810 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) 811 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 812 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) 813 814 ifneq ($(feature-libperl), 1) 815 CFLAGS += -DNO_LIBPERL 816 NO_LIBPERL := 1 817 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev); 818 else 819 LDFLAGS += $(PERL_EMBED_LDFLAGS) 820 EXTLIBS += $(PERL_EMBED_LIBADD) 821 CFLAGS += -DHAVE_LIBPERL_SUPPORT 822 ifeq ($(CC_NO_CLANG), 0) 823 CFLAGS += -Wno-compound-token-split-by-macro 824 endif 825 $(call detected,CONFIG_LIBPERL) 826 endif 827endif 828 829ifeq ($(feature-timerfd), 1) 830 CFLAGS += -DHAVE_TIMERFD_SUPPORT 831else 832 msg := $(warning No timerfd support. Disables 'perf kvm stat live'); 833endif 834 835disable-python = $(eval $(disable-python_code)) 836define disable-python_code 837 CFLAGS += -DNO_LIBPYTHON 838 $(warning $1) 839 NO_LIBPYTHON := 1 840endef 841 842PYTHON_EXTENSION_SUFFIX := '.so' 843ifdef NO_LIBPYTHON 844 $(call disable-python,Python support disabled by user) 845else 846 847 ifndef PYTHON 848 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev) 849 else 850 PYTHON_WORD := $(call shell-wordify,$(PYTHON)) 851 852 ifndef PYTHON_CONFIG 853 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) 854 else 855 856 ifneq ($(feature-libpython), 1) 857 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev) 858 else 859 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 860 EXTLIBS += $(PYTHON_EMBED_LIBADD) 861 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no") 862 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes) 863 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])') 864 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX) 865 else 866 msg := $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent); 867 endif 868 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT 869 $(call detected,CONFIG_LIBPYTHON) 870 endif 871 endif 872 endif 873endif 874 875ifneq ($(NO_JEVENTS),1) 876 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),) 877 NO_JEVENTS := 1 878 endif 879endif 880ifneq ($(NO_JEVENTS),1) 881 NO_JEVENTS := 0 882 ifndef PYTHON 883 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.) 884 else 885 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016. 886 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) 887 ifneq ($(JEVENTS_PYTHON_GOOD), 1) 888 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.) 889 endif 890 endif 891endif 892 893ifdef BUILD_NONDISTRO 894 ifeq ($(feature-libbfd), 1) 895 EXTLIBS += -lbfd -lopcodes 896 else 897 # we are on a system that requires -liberty and (maybe) -lz 898 # to link against -lbfd; test each case individually here 899 900 # call all detections now so we get correct 901 # status in VF output 902 $(call feature_check,libbfd-liberty) 903 $(call feature_check,libbfd-liberty-z) 904 905 ifeq ($(feature-libbfd-liberty), 1) 906 EXTLIBS += -lbfd -lopcodes -liberty 907 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl 908 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl 909 else 910 ifeq ($(feature-libbfd-liberty-z), 1) 911 EXTLIBS += -lbfd -lopcodes -liberty -lz 912 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl 913 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl 914 endif 915 endif 916 $(call feature_check,disassembler-four-args) 917 $(call feature_check,disassembler-init-styled) 918 endif 919 920 CFLAGS += -DHAVE_LIBBFD_SUPPORT 921 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT 922 ifeq ($(feature-libbfd-buildid), 1) 923 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT 924 else 925 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available); 926 endif 927endif 928 929ifndef NO_DEMANGLE 930 $(call feature_check,cxa-demangle) 931 ifeq ($(feature-cxa-demangle), 1) 932 EXTLIBS += -lstdc++ 933 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 934 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 935 $(call detected,CONFIG_CXX_DEMANGLE) 936 endif 937 ifdef BUILD_NONDISTRO 938 ifeq ($(filter -liberty,$(EXTLIBS)),) 939 $(call feature_check,cplus-demangle) 940 ifeq ($(feature-cplus-demangle), 1) 941 EXTLIBS += -liberty 942 endif 943 endif 944 ifneq ($(filter -liberty,$(EXTLIBS)),) 945 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 946 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 947 endif 948 endif 949endif 950 951ifndef NO_ZLIB 952 ifeq ($(feature-zlib), 1) 953 CFLAGS += -DHAVE_ZLIB_SUPPORT 954 EXTLIBS += -lz 955 $(call detected,CONFIG_ZLIB) 956 else 957 NO_ZLIB := 1 958 endif 959endif 960 961ifndef NO_LZMA 962 ifeq ($(feature-lzma), 1) 963 CFLAGS += -DHAVE_LZMA_SUPPORT 964 EXTLIBS += -llzma 965 $(call detected,CONFIG_LZMA) 966 else 967 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev); 968 NO_LZMA := 1 969 endif 970endif 971 972ifndef NO_LIBZSTD 973 ifeq ($(feature-libzstd), 1) 974 CFLAGS += -DHAVE_ZSTD_SUPPORT 975 CFLAGS += $(LIBZSTD_CFLAGS) 976 LDFLAGS += $(LIBZSTD_LDFLAGS) 977 EXTLIBS += -lzstd 978 $(call detected,CONFIG_ZSTD) 979 else 980 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR); 981 NO_LIBZSTD := 1 982 endif 983endif 984 985ifndef NO_LIBCAP 986 ifeq ($(feature-libcap), 1) 987 CFLAGS += -DHAVE_LIBCAP_SUPPORT 988 EXTLIBS += -lcap 989 $(call detected,CONFIG_LIBCAP) 990 else 991 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev); 992 NO_LIBCAP := 1 993 endif 994endif 995 996ifndef NO_BACKTRACE 997 ifeq ($(feature-backtrace), 1) 998 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 999 endif 1000endif 1001 1002ifndef NO_LIBNUMA 1003 ifeq ($(feature-libnuma), 0) 1004 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev); 1005 NO_LIBNUMA := 1 1006 else 1007 ifeq ($(feature-numa_num_possible_cpus), 0) 1008 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8); 1009 NO_LIBNUMA := 1 1010 else 1011 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 1012 EXTLIBS += -lnuma 1013 $(call detected,CONFIG_NUMA) 1014 endif 1015 endif 1016endif 1017 1018ifdef HAVE_KVM_STAT_SUPPORT 1019 CFLAGS += -DHAVE_KVM_STAT_SUPPORT 1020endif 1021 1022ifeq ($(feature-disassembler-four-args), 1) 1023 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 1024endif 1025 1026ifeq ($(feature-disassembler-init-styled), 1) 1027 CFLAGS += -DDISASM_INIT_STYLED 1028endif 1029 1030ifeq (${IS_64_BIT}, 1) 1031 ifndef NO_PERF_READ_VDSO32 1032 $(call feature_check,compile-32) 1033 ifeq ($(feature-compile-32), 1) 1034 CFLAGS += -DHAVE_PERF_READ_VDSO32 1035 else 1036 NO_PERF_READ_VDSO32 := 1 1037 endif 1038 endif 1039 ifneq ($(SRCARCH), x86) 1040 NO_PERF_READ_VDSOX32 := 1 1041 endif 1042 ifndef NO_PERF_READ_VDSOX32 1043 $(call feature_check,compile-x32) 1044 ifeq ($(feature-compile-x32), 1) 1045 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1046 else 1047 NO_PERF_READ_VDSOX32 := 1 1048 endif 1049 endif 1050else 1051 NO_PERF_READ_VDSO32 := 1 1052 NO_PERF_READ_VDSOX32 := 1 1053endif 1054 1055ifndef NO_LIBBABELTRACE 1056 $(call feature_check,libbabeltrace) 1057 ifeq ($(feature-libbabeltrace), 1) 1058 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS) 1059 LDFLAGS += $(LIBBABELTRACE_LDFLAGS) 1060 EXTLIBS += -lbabeltrace-ctf 1061 $(call detected,CONFIG_LIBBABELTRACE) 1062 else 1063 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev); 1064 endif 1065endif 1066 1067ifndef NO_AUXTRACE 1068 ifeq ($(SRCARCH),x86) 1069 ifeq ($(feature-get_cpuid), 0) 1070 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc); 1071 NO_AUXTRACE := 1 1072 endif 1073 endif 1074 ifndef NO_AUXTRACE 1075 $(call detected,CONFIG_AUXTRACE) 1076 CFLAGS += -DHAVE_AUXTRACE_SUPPORT 1077 ifeq ($(feature-reallocarray), 0) 1078 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 1079 endif 1080 endif 1081endif 1082 1083ifdef EXTRA_TESTS 1084 $(call detected,CONFIG_EXTRA_TESTS) 1085 CFLAGS += -DHAVE_EXTRA_TESTS 1086endif 1087 1088ifndef NO_JVMTI 1089 ifneq (,$(wildcard /usr/sbin/update-java-alternatives)) 1090 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}') 1091 else 1092 ifneq (,$(wildcard /usr/sbin/alternatives)) 1093 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g') 1094 endif 1095 endif 1096 ifndef JDIR 1097 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory) 1098 NO_JVMTI := 1 1099 endif 1100endif 1101 1102ifndef NO_JVMTI 1103 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux 1104 $(call feature_check,jvmti) 1105 ifeq ($(feature-jvmti), 1) 1106 $(call detected_var,JDIR) 1107 ifndef NO_JVMTI_CMLR 1108 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti) 1109 $(call feature_check,jvmti-cmlr) 1110 ifeq ($(feature-jvmti-cmlr), 1) 1111 CFLAGS += -DHAVE_JVMTI_CMLR 1112 endif 1113 endif # NO_JVMTI_CMLR 1114 else 1115 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel) 1116 NO_JVMTI := 1 1117 endif 1118endif 1119 1120ifndef NO_LIBPFM4 1121 $(call feature_check,libpfm4) 1122 ifeq ($(feature-libpfm4), 1) 1123 CFLAGS += -DHAVE_LIBPFM 1124 EXTLIBS += -lpfm 1125 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 1126 $(call detected,CONFIG_LIBPFM4) 1127 else 1128 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev); 1129 endif 1130endif 1131 1132# libtraceevent is a recommended dependency picked up from the system. 1133ifneq ($(NO_LIBTRACEEVENT),1) 1134 $(call feature_check,libtraceevent) 1135 ifeq ($(feature-libtraceevent), 1) 1136 CFLAGS += -DHAVE_LIBTRACEEVENT 1137 EXTLIBS += -ltraceevent 1138 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent) 1139 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1140 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1141 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1142 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3)) 1143 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP) 1144 $(call detected,CONFIG_LIBTRACEEVENT) 1145 else 1146 dummy := $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel or build with NO_LIBTRACEEVENT=1) 1147 endif 1148 1149 $(call feature_check,libtracefs) 1150 ifeq ($(feature-libtracefs), 1) 1151 EXTLIBS += -ltracefs 1152 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs) 1153 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION))) 1154 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION))) 1155 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION))) 1156 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3)) 1157 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP) 1158 endif 1159endif 1160 1161# Among the variables below, these: 1162# perfexecdir 1163# libbpf_include_dir 1164# perf_examples_dir 1165# template_dir 1166# mandir 1167# infodir 1168# htmldir 1169# ETC_PERFCONFIG (but not sysconfdir) 1170# can be specified as a relative path some/where/else; 1171# this is interpreted as relative to $(prefix) and "perf" at 1172# runtime figures out where they are based on the path to the executable. 1173# This can help installing the suite in a relocatable way. 1174 1175# Make the path relative to DESTDIR, not to prefix 1176ifndef DESTDIR 1177prefix ?= $(HOME) 1178endif 1179bindir_relative = bin 1180bindir = $(abspath $(prefix)/$(bindir_relative)) 1181includedir_relative = include 1182includedir = $(abspath $(prefix)/$(includedir_relative)) 1183mandir = share/man 1184infodir = share/info 1185perfexecdir = libexec/perf-core 1186# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance 1187libbpf_include_dir = /usr/include 1188perf_examples_dir = lib/perf/examples 1189sharedir = $(prefix)/share 1190template_dir = share/perf-core/templates 1191STRACE_GROUPS_DIR = share/perf-core/strace/groups 1192htmldir = share/doc/perf-doc 1193tipdir = share/doc/perf-tip 1194srcdir = $(srctree)/tools/perf 1195ifeq ($(prefix),/usr) 1196sysconfdir = /etc 1197ETC_PERFCONFIG = $(sysconfdir)/perfconfig 1198else 1199sysconfdir = $(prefix)/etc 1200ETC_PERFCONFIG = etc/perfconfig 1201endif 1202ifndef lib 1203ifeq ($(SRCARCH)$(IS_64_BIT), x861) 1204lib = lib64 1205else 1206lib = lib 1207endif 1208endif # lib 1209libdir = $(prefix)/$(lib) 1210 1211# Shell quote (do not use $(call) to accommodate ancient setups); 1212ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) 1213STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR)) 1214DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) 1215bindir_SQ = $(subst ','\'',$(bindir)) 1216includedir_SQ = $(subst ','\'',$(includedir)) 1217mandir_SQ = $(subst ','\'',$(mandir)) 1218infodir_SQ = $(subst ','\'',$(infodir)) 1219perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) 1220libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir)) 1221perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir)) 1222template_dir_SQ = $(subst ','\'',$(template_dir)) 1223htmldir_SQ = $(subst ','\'',$(htmldir)) 1224tipdir_SQ = $(subst ','\'',$(tipdir)) 1225prefix_SQ = $(subst ','\'',$(prefix)) 1226sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) 1227libdir_SQ = $(subst ','\'',$(libdir)) 1228srcdir_SQ = $(subst ','\'',$(srcdir)) 1229 1230ifneq ($(filter /%,$(firstword $(perfexecdir))),) 1231perfexec_instdir = $(perfexecdir) 1232perf_include_instdir = $(libbpf_include_dir) 1233perf_examples_instdir = $(perf_examples_dir) 1234STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) 1235tip_instdir = $(tipdir) 1236else 1237perfexec_instdir = $(prefix)/$(perfexecdir) 1238perf_include_instdir = $(prefix)/$(libbpf_include_dir) 1239perf_examples_instdir = $(prefix)/$(perf_examples_dir) 1240STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) 1241tip_instdir = $(prefix)/$(tipdir) 1242endif 1243perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) 1244perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir)) 1245perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir)) 1246STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) 1247tip_instdir_SQ = $(subst ','\'',$(tip_instdir)) 1248 1249export perfexec_instdir_SQ 1250 1251print_var = $(eval $(print_var_code)) $(info $(MSG)) 1252define print_var_code 1253 MSG = $(shell printf '...%40s: %s' $(1) $($(1))) 1254endef 1255 1256ifeq ($(feature_display),1) 1257 $(call feature_display_entries) 1258endif 1259 1260ifeq ($(VF),1) 1261 # Display EXTRA features which are detected manualy 1262 # from here with feature_check call and thus cannot 1263 # be partof global state output. 1264 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG))) 1265 $(call print_var,prefix) 1266 $(call print_var,bindir) 1267 $(call print_var,libdir) 1268 $(call print_var,sysconfdir) 1269 $(call print_var,LIBUNWIND_DIR) 1270 $(call print_var,LIBDW_DIR) 1271 $(call print_var,JDIR) 1272 1273 ifeq ($(dwarf-post-unwind),1) 1274 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG)) 1275 endif 1276endif 1277 1278$(info ) 1279 1280$(call detected_var,bindir_SQ) 1281$(call detected_var,PYTHON_WORD) 1282ifneq ($(OUTPUT),) 1283$(call detected_var,OUTPUT) 1284endif 1285$(call detected_var,htmldir_SQ) 1286$(call detected_var,infodir_SQ) 1287$(call detected_var,mandir_SQ) 1288$(call detected_var,ETC_PERFCONFIG_SQ) 1289$(call detected_var,STRACE_GROUPS_DIR_SQ) 1290$(call detected_var,prefix_SQ) 1291$(call detected_var,perfexecdir_SQ) 1292$(call detected_var,libbpf_include_dir_SQ) 1293$(call detected_var,perf_examples_dir_SQ) 1294$(call detected_var,tipdir_SQ) 1295$(call detected_var,srcdir_SQ) 1296$(call detected_var,LIBDIR) 1297$(call detected_var,GTK_CFLAGS) 1298$(call detected_var,PERL_EMBED_CCOPTS) 1299$(call detected_var,PYTHON_EMBED_CCOPTS) 1300ifneq ($(BISON_FILE_PREFIX_MAP),) 1301$(call detected_var,BISON_FILE_PREFIX_MAP) 1302endif 1303 1304# re-generate FEATURE-DUMP as we may have called feature_check, found out 1305# extra libraries to add to LDFLAGS of some other test and then redo those 1306# tests, see the block about libbfd, disassembler-four-args, for instance. 1307$(shell rm -f $(FEATURE_DUMP_FILENAME)) 1308$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) 1309