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# This is required because the kernel is built with this and some of the code 23# borrowed from kernel headers depends on it, e.g. put_unaligned_*(). 24CFLAGS += -fno-strict-aliasing 25 26# Set target flag and options when using clang as compiler. 27ifeq ($(CC_NO_CLANG), 0) 28 CLANG_TARGET_FLAGS_arm := arm-linux-gnueabi 29 CLANG_TARGET_FLAGS_arm64 := aarch64-linux-gnu 30 CLANG_TARGET_FLAGS_m68k := m68k-linux-gnu 31 CLANG_TARGET_FLAGS_mips := mipsel-linux-gnu 32 CLANG_TARGET_FLAGS_powerpc := powerpc64le-linux-gnu 33 CLANG_TARGET_FLAGS_riscv := riscv64-linux-gnu 34 CLANG_TARGET_FLAGS_s390 := s390x-linux-gnu 35 CLANG_TARGET_FLAGS_x86 := x86_64-linux-gnu 36 CLANG_TARGET_FLAGS_x86_64 := x86_64-linux-gnu 37 38 # Default to host architecture if ARCH is not explicitly given. 39 ifeq ($(ARCH), $(HOSTARCH)) 40 CLANG_TARGET_FLAGS := $(shell $(CLANG) -print-target-triple) 41 else 42 CLANG_TARGET_FLAGS := $(CLANG_TARGET_FLAGS_$(ARCH)) 43 endif 44 45 ifeq ($(CROSS_COMPILE),) 46 ifeq ($(CLANG_TARGET_FLAGS),) 47 $(error Specify CROSS_COMPILE or add CLANG_TARGET_FLAGS for $(ARCH)) 48 else 49 CLANG_FLAGS += --target=$(CLANG_TARGET_FLAGS) 50 endif # CLANG_TARGET_FLAGS 51 else 52 CLANG_FLAGS += --target=$(notdir $(CROSS_COMPILE:%-=%)) 53 endif # CROSS_COMPILE 54 55 CC := $(CLANG) $(CLANG_FLAGS) -fintegrated-as 56 CXX := $(CXX) $(CLANG_FLAGS) -fintegrated-as 57 58 # Enabled Wthread-safety analysis for clang builds. 59 CFLAGS += -Wthread-safety 60endif 61 62include $(srctree)/tools/scripts/Makefile.arch 63 64$(call detected_var,SRCARCH) 65 66CFLAGS += -I$(OUTPUT)arch/$(SRCARCH)/include/generated 67 68# Additional ARCH settings for x86 69ifeq ($(SRCARCH),x86) 70 $(call detected,CONFIG_X86) 71 ifeq (${IS_64_BIT}, 1) 72 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT 73 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S 74 $(call detected,CONFIG_X86_64) 75 endif 76endif 77 78ifeq ($(ARCH),s390) 79 CFLAGS += -fPIC 80endif 81 82# Unconditionally set up the libunwind feature build flags as a 83# feature-dump build doesn't specify LIBUNWIND=1. This means that 84# dumping the libunwind features will be broken that can impact later 85# builds that use the feature dump. 86ifeq ($(SRCARCH),arm) 87 LIBUNWIND_LIBS = -lunwind -lunwind-arm 88endif 89ifeq ($(SRCARCH),arm64) 90 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64 91endif 92ifeq ($(SRCARCH),loongarch) 93 LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64 94endif 95ifeq ($(ARCH),mips) 96 LIBUNWIND_LIBS = -lunwind -lunwind-mips 97endif 98ifeq ($(SRCARCH),powerpc) 99 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64 100endif 101ifeq ($(SRCARCH),riscv) 102 LIBUNWIND_LIBS := -lunwind -lunwind-riscv 103endif 104ifeq ($(SRCARCH),s390) 105 LIBUNWIND_LIBS := -lunwind -lunwind-s390x 106endif 107ifeq ($(SRCARCH),x86) 108 ifeq (${IS_64_BIT}, 1) 109 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma 110 else 111 LIBUNWIND_LIBS = -lunwind-x86 -lunwind -llzma 112 endif 113endif 114ifneq ($(LIBUNWIND),1) 115 NO_LIBUNWIND := 1 116endif 117ifeq ($(LIBUNWIND_LIBS),) 118 NO_LIBUNWIND := 1 119endif 120 121# 122# For linking with debug library, run like: 123# 124# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/ 125# 126LIBUNWIND_ARCHS:=aarch64 arm loongarch64 mips ppc32 ppc64 riscv s390x x86 x86_64 127 128# "Local" (no arch specified) feature test flags. 129FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS) 130FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 131FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS) 132FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 133 134# Add directory into the "remote" (build for a a specific arch) feature tests. 135ifdef LIBUNWIND_DIR 136 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include 137 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib 138 139 define libunwind_arch_set_flags 140 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include 141 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib -lunwind -lunwind-$(1) 142 endef 143 $(foreach arch,$(LIBUNWIND_ARCHS), \ 144 $(eval $(call libunwind_arch_set_flags,$(arch))) \ 145 ) 146endif 147 148ifdef CSINCLUDES 149 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES) 150endif 151OPENCSDLIBS := -lopencsd_c_api -lopencsd 152ifeq ($(findstring -static,${LDFLAGS}),-static) 153 OPENCSDLIBS += -lstdc++ 154endif 155ifdef CSLIBS 156 LIBOPENCSD_LDFLAGS := -L$(CSLIBS) 157endif 158FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS) 159FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS) 160 161# for linking with debug library, run like: 162# make DEBUG=1 LIBDW_DIR=/opt/libdw/ 163ifdef LIBDW_DIR 164 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include 165 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib 166endif 167DWARFLIBS := -ldw 168ifeq ($(findstring -static,${LDFLAGS}),-static) 169 DWARFLIBS += -lelf -lz -llzma -lbz2 170 171 LIBDW_VERSION := $(shell $(PKG_CONFIG) --modversion libdw).0.0 172 LIBDW_VERSION_1 := $(word 1, $(subst ., ,$(LIBDW_VERSION))) 173 LIBDW_VERSION_2 := $(word 2, $(subst ., ,$(LIBDW_VERSION))) 174 175 # Elfutils merged libebl.a into libdw.a starting from version 0.177, 176 # Link libebl.a only if libdw is older than this version. 177 ifeq ($(shell test $(LIBDW_VERSION_2) -lt 177; echo $$?),0) 178 DWARFLIBS += -lebl 179 endif 180 181 # Must put -ldl after -lebl for dependency 182 DWARFLIBS += -ldl 183endif 184FEATURE_CHECK_CFLAGS-libdw := $(LIBDW_CFLAGS) 185FEATURE_CHECK_LDFLAGS-libdw := $(LIBDW_LDFLAGS) $(DWARFLIBS) 186 187ifneq ($(NO_BABELTRACE2),1) 188 ifeq ($(call get-executable,$(PKG_CONFIG)),) 189 $(error Error: $(PKG_CONFIG) needed by babeltrace2 is missing on this system, please install it) 190 endif 191endif 192 193# for linking with debug library, run like: 194# make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/ 195ifdef LIBCAPSTONE_DIR 196 LIBCAPSTONE_CFLAGS := -I$(LIBCAPSTONE_DIR)/include 197 LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/ 198endif 199FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPSTONE_CFLAGS) 200FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPSTONE_LDFLAGS) -lcapstone 201 202ifdef LIBZSTD_DIR 203 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib 204 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib 205endif 206FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS) 207FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS) 208 209# for linking with debug library, run like: 210# make DEBUG=1 PKG_CONFIG_PATH=/opt/libtraceevent/(lib|lib64)/pkgconfig 211 212ifneq ($(NO_LIBTRACEEVENT),1) 213 ifeq ($(call get-executable,$(PKG_CONFIG)),) 214 $(error Error: $(PKG_CONFIG) needed by libtraceevent is missing on this system, please install it) 215 endif 216endif 217 218FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi 219# include ARCH specific config 220-include $(src-perf)/arch/$(SRCARCH)/Makefile 221 222include $(srctree)/tools/scripts/utilities.mak 223 224ifeq ($(call get-executable,$(FLEX)),) 225 $(error Error: $(FLEX) is missing on this system, please install it) 226endif 227 228ifeq ($(call get-executable,$(BISON)),) 229 $(error Error: $(BISON) is missing on this system, please install it) 230endif 231 232ifneq ($(OUTPUT),) 233 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1) 234 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)= 235 endif 236endif 237 238# Treat warnings as errors unless directed not to 239ifneq ($(WERROR),0) 240 CORE_CFLAGS += -Werror 241 CXXFLAGS += -Werror 242 HOSTCFLAGS += -Werror 243endif 244 245ifndef DEBUG 246 DEBUG := 0 247endif 248 249ifeq ($(DEBUG),0) 250CORE_CFLAGS += -DNDEBUG=1 251CORE_CFLAGS += -O3 252else 253 CORE_CFLAGS += -g 254 CXXFLAGS += -g 255endif 256 257ifdef PARSER_DEBUG 258 PARSER_DEBUG_BISON := -t 259 PARSER_DEBUG_FLEX := -d 260 CFLAGS += -DPARSER_DEBUG 261 $(call detected_var,PARSER_DEBUG_BISON) 262 $(call detected_var,PARSER_DEBUG_FLEX) 263endif 264 265ifdef LTO 266 CORE_CFLAGS += -flto 267 CXXFLAGS += -flto 268endif 269 270# Try different combinations to accommodate systems that only have 271# python[2][3]-config in weird combinations in the following order of 272# priority from lowest to highest: 273# * python2-config as per pep-0394. 274# * python-config 275# * python3-config 276# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't) 277# 278PYTHON_AUTO := python-config 279PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO)) 280PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO)) 281PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO)) 282 283# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user 284# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist. 285ifdef PYTHON 286 ifndef PYTHON_CONFIG 287 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config) 288 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\ 289 $(call $(error $(PYTHON)-config not found))) 290 endif 291endif 292 293# Select either auto detected python and python-config or use user supplied values if they are 294# defined. get-executable-or-default fails with an error if the first argument is supplied but 295# doesn't exist. 296override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO)) 297override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG))) 298 299grep-libs = $(filter -l%,$(1)) 300strip-libs = $(filter-out -l%,$(1)) 301 302PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG)) 303 304# Python 3.8 changed the output of `python-config --ldflags` to not include the 305# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for 306# libpython fails if that flag is not included in LDFLAGS 307ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0) 308 PYTHON_CONFIG_LDFLAGS := --ldflags --embed 309else 310 PYTHON_CONFIG_LDFLAGS := --ldflags 311endif 312 313ifdef PYTHON_CONFIG 314 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null) 315 # Update the python flags for cross compilation 316 ifdef CROSS_COMPILE 317 PYTHON_NATIVE := $(shell echo $(PYTHON_EMBED_LDOPTS) | sed 's/\(-L.*\/\)\(.*-linux-gnu\).*/\2/') 318 PYTHON_EMBED_LDOPTS := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EMBED_LDOPTS)) 319 endif 320 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS)) 321 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil 322 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null) 323 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS) 324 ifeq ($(CC_NO_CLANG), 0) 325 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS)) 326 endif 327endif 328 329FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS) 330FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS) 331 332FEATURE_CHECK_LDFLAGS-libaio = -lrt 333 334CORE_CFLAGS += -fno-omit-frame-pointer 335CORE_CFLAGS += -Wall 336CORE_CFLAGS += -Wextra 337CORE_CFLAGS += -std=gnu11 338CORE_CFLAGS += -funsigned-char 339 340CXXFLAGS += -std=gnu++17 -fno-exceptions -fno-rtti 341CXXFLAGS += -Wall 342CXXFLAGS += -Wextra 343CXXFLAGS += -fno-omit-frame-pointer 344 345HOSTCFLAGS += -Wall 346HOSTCFLAGS += -Wextra 347 348# Enforce a non-executable stack, as we may regress (again) in the future by 349# adding assembler files missing the .GNU-stack linker note. 350LDFLAGS += -Wl,-z,noexecstack 351 352EXTLIBS = -lpthread -lrt -lm -ldl 353 354ifneq ($(TCMALLOC),) 355 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free 356 EXTLIBS += -ltcmalloc 357endif 358 359ifeq ($(FEATURES_DUMP),) 360# We will display at the end of this Makefile.config, using $(call feature_display_entries), 361# as we may retry some feature detection here. 362 FEATURE_DISPLAY_DEFERRED := 1 363include $(srctree)/tools/build/Makefile.feature 364else 365include $(FEATURES_DUMP) 366endif 367 368ifeq ($(feature-stackprotector-all), 1) 369 CORE_CFLAGS += -fstack-protector-all 370endif 371 372ifeq ($(DEBUG),0) 373 ifeq ($(feature-fortify-source), 1) 374 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 375 endif 376endif 377 378INC_FLAGS += -I$(src-perf)/util/include 379INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include 380INC_FLAGS += -I$(srctree)/tools/include/ 381INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi 382INC_FLAGS += -I$(srctree)/tools/include/uapi 383INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/ 384INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/ 385 386# $(obj-perf) for generated common-cmds.h 387# $(obj-perf)/util for generated bison/flex headers 388ifneq ($(OUTPUT),) 389INC_FLAGS += -I$(obj-perf)/util 390INC_FLAGS += -I$(obj-perf) 391endif 392 393INC_FLAGS += -I$(src-perf)/util 394INC_FLAGS += -I$(src-perf) 395 396CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE 397 398CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS) 399CXXFLAGS += $(INC_FLAGS) 400 401LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS) 402 403ifeq ($(feature-pthread-attr-setaffinity-np), 1) 404 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP 405endif 406 407ifeq ($(feature-pthread-barrier), 1) 408 CFLAGS += -DHAVE_PTHREAD_BARRIER 409endif 410 411ifndef NO_BIONIC 412 $(call feature_check,bionic) 413 ifeq ($(feature-bionic), 1) 414 BIONIC := 1 415 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE 416 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE 417 EXTLIBS := $(filter-out -lrt,$(EXTLIBS)) 418 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS)) 419 endif 420endif 421 422ifeq ($(feature-eventfd), 1) 423 CFLAGS += -DHAVE_EVENTFD_SUPPORT 424endif 425 426ifeq ($(feature-gettid), 1) 427 CFLAGS += -DHAVE_GETTID 428endif 429 430ifeq ($(feature-file-handle), 1) 431 CFLAGS += -DHAVE_FILE_HANDLE 432endif 433 434ifdef NO_LIBELF 435 NO_LIBDW := 1 436 NO_LIBUNWIND := 1 437 NO_LIBBPF := 1 438 NO_JVMTI := 1 439else 440 ifeq ($(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 $(error ERROR: No libelf found. Disables 'probe' tool, jvmti and BPF support. Please install libelf-dev, libelf-devel, elfutils-libelf-devel or build with NO_LIBELF=1.) 449 else 450 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),) 451 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0) 452 $(error No libasan found, please install libasan) 453 endif 454 endif 455 456 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),) 457 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0) 458 $(error No libubsan found, please install libubsan) 459 endif 460 endif 461 462 ifneq ($(filter s% -static%,$(LDFLAGS),),) 463 $(error No static glibc found, please install glibc-static) 464 else 465 $(error No gnu/libc-version.h found, please install glibc-dev[el]) 466 endif 467 endif 468 else 469 ifneq ($(feature-libdw), 1) 470 ifndef NO_LIBDW 471 $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.157, disables dwarf support. Please install new elfutils-devel/libdw-dev) 472 NO_LIBDW := 1 473 endif 474 endif # Dwarf support 475 endif # libelf support 476endif # NO_LIBELF 477 478ifeq ($(feature-libaio), 1) 479 ifndef NO_AIO 480 CFLAGS += -DHAVE_AIO_SUPPORT 481 endif 482endif 483 484ifeq ($(feature-scandirat), 1) 485 # Ignore having scandirat with memory sanitizer that lacks an interceptor. 486 ifeq ($(filter s% -fsanitize=memory%,$(EXTRA_CFLAGS),),) 487 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT 488 endif 489endif 490 491ifeq ($(feature-sched_getcpu), 1) 492 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT 493endif 494 495ifeq ($(feature-setns), 1) 496 CFLAGS += -DHAVE_SETNS_SUPPORT 497 $(call detected,CONFIG_SETNS) 498endif 499 500ifeq ($(feature-reallocarray), 0) 501 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 502endif 503 504ifdef CORESIGHT 505 $(call feature_check,libopencsd) 506 ifeq ($(feature-libopencsd), 1) 507 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS) 508 LDFLAGS += $(LIBOPENCSD_LDFLAGS) 509 EXTLIBS += $(OPENCSDLIBS) 510 $(call detected,CONFIG_LIBOPENCSD) 511 ifdef CSTRACE_RAW 512 CFLAGS += -DCS_DEBUG_RAW 513 ifeq (${CSTRACE_RAW}, packed) 514 CFLAGS += -DCS_RAW_PACKED 515 endif 516 endif 517 else 518 $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1) 519 endif 520endif 521 522ifndef NO_ZLIB 523 ifeq ($(feature-zlib), 1) 524 CFLAGS += -DHAVE_ZLIB_SUPPORT 525 EXTLIBS += -lz 526 $(call detected,CONFIG_ZLIB) 527 else 528 NO_ZLIB := 1 529 endif 530endif 531 532ifndef NO_LIBELF 533 CFLAGS += -DHAVE_LIBELF_SUPPORT 534 EXTLIBS += -lelf 535 $(call detected,CONFIG_LIBELF) 536 537 ifeq ($(feature-libelf-getphdrnum), 1) 538 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT 539 endif 540 541 ifeq ($(feature-libelf-gelf_getnote), 1) 542 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT 543 else 544 $(warning gelf_getnote() not found on libelf, SDT support disabled) 545 endif 546 547 ifeq ($(feature-libelf-getshdrstrndx), 1) 548 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT 549 endif 550 551 ifeq ($(feature-libelf-zstd), 1) 552 ifdef NO_LIBZSTD 553 $(error Error: libzstd is required by libelf, please do not set NO_LIBZSTD) 554 endif 555 endif 556 557 ifndef NO_LIBDEBUGINFOD 558 $(call feature_check,libdebuginfod) 559 ifeq ($(feature-libdebuginfod), 1) 560 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT 561 EXTLIBS += -ldebuginfod 562 else 563 $(warning No elfutils/debuginfod.h found, no debuginfo server support, please install libdebuginfod-dev/elfutils-debuginfod-client-devel or equivalent) 564 endif 565 endif 566 567 ifndef NO_LIBDW 568 CFLAGS += -DHAVE_LIBDW_SUPPORT $(LIBDW_CFLAGS) 569 LDFLAGS += $(LIBDW_LDFLAGS) 570 EXTLIBS += ${DWARFLIBS} 571 $(call detected,CONFIG_LIBDW) 572 endif # NO_LIBDW 573 574 ifndef NO_LIBBPF 575 ifeq ($(feature-bpf), 1) 576 ifdef LIBBPF_DYNAMIC 577 $(call feature_check,libbpf) 578 ifeq ($(feature-libbpf), 1) 579 EXTLIBS += -lbpf 580 CFLAGS += -DHAVE_LIBBPF_SUPPORT 581 $(call detected,CONFIG_LIBBPF) 582 $(call detected,CONFIG_LIBBPF_DYNAMIC) 583 else 584 $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel) 585 endif 586 else 587 ifeq ($(NO_ZLIB), 1) 588 $(warning Warning: Statically building libbpf not possible as zlib is missing) 589 NO_LIBBPF := 1 590 else 591 # Libbpf will be built as a static library from tools/lib/bpf. 592 LIBBPF_STATIC := 1 593 $(call detected,CONFIG_LIBBPF) 594 CFLAGS += -DHAVE_LIBBPF_SUPPORT 595 LIBBPF_INCLUDE = $(LIBBPF_DIR)/.. 596 endif 597 endif 598 endif 599 endif # NO_LIBBPF 600endif # NO_LIBELF 601 602ifndef NO_SDT 603 ifneq ($(feature-sdt), 1) 604 $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev) 605 NO_SDT := 1; 606 else 607 CFLAGS += -DHAVE_SDT_EVENT 608 $(call detected,CONFIG_SDT_EVENT) 609 endif 610endif 611 612ifdef PERF_HAVE_JITDUMP 613 ifndef NO_LIBELF 614 $(call detected,CONFIG_JITDUMP) 615 CFLAGS += -DHAVE_JITDUMP 616 endif 617endif 618 619ifeq ($(SRCARCH),powerpc) 620 ifndef NO_LIBDW 621 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX 622 endif 623endif 624 625ifndef NO_LIBBPF 626 ifneq ($(feature-bpf), 1) 627 $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) 628 NO_LIBBPF := 1 629 endif 630endif 631 632ifeq ($(feature-libopenssl), 1) 633 $(call detected,CONFIG_LIBOPENSSL) 634 CFLAGS += -DHAVE_LIBOPENSSL_SUPPORT 635endif 636 637ifndef BUILD_BPF_SKEL 638 # BPF skeletons control a large number of perf features, by default 639 # they are enabled. 640 BUILD_BPF_SKEL := 1 641endif 642 643ifeq ($(BUILD_BPF_SKEL),1) 644 ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),) 645 $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool) 646 BUILD_BPF_SKEL := 0 647 else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),) 648 $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool) 649 BUILD_BPF_SKEL := 0 650 else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) 651 $(warning Warning: Disabled BPF skeletons as libbpf is required) 652 BUILD_BPF_SKEL := 0 653 else ifeq ($(filter -DHAVE_LIBOPENSSL_SUPPORT, $(CFLAGS)),) 654 $(warning Warning: Disabled BPF skeletons as libopenssl is required) 655 BUILD_BPF_SKEL := 0 656 else ifeq ($(call get-executable,$(CLANG)),) 657 $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing) 658 BUILD_BPF_SKEL := 0 659 else 660 CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g') 661 ifeq ($(call version-lt3,$(CLANG_VERSION),12.0.1),1) 662 $(warning Warning: Disabled BPF skeletons as reliable BTF generation needs at least $(CLANG) version 12.0.1) 663 BUILD_BPF_SKEL := 0 664 endif 665 endif 666 ifeq ($(BUILD_BPF_SKEL),1) 667 $(call feature_check,clang-bpf-co-re) 668 ifeq ($(feature-clang-bpf-co-re), 0) 669 $(warning Warning: Disabled BPF skeletons as clang is too old) 670 BUILD_BPF_SKEL := 0 671 endif 672 endif 673 ifeq ($(BUILD_BPF_SKEL),1) 674 $(call detected,CONFIG_PERF_BPF_SKEL) 675 CFLAGS += -DHAVE_BPF_SKEL 676 endif 677endif 678 679ifndef GEN_VMLINUX_H 680 VMLINUX_H_FILE=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h 681endif 682 683ifndef NO_LIBUNWIND 684 have_libunwind := 685 686 $(call feature_check,libunwind) 687 ifneq ($(feature-libunwind), 1) 688 $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR and set LIBUNWIND=1 in the make command line as it is opt-in now) 689 NO_LOCAL_LIBUNWIND := 1 690 else 691 have_libunwind := 1 692 $(call detected,CONFIG_LOCAL_LIBUNWIND) 693 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT 694 CFLAGS += $(LIBUNWIND_CFLAGS) 695 LDFLAGS += $(LIBUNWIND_LDFLAGS) 696 EXTLIBS_LIBUNWIND := $(LIBUNWIND_LIBS) 697 $(call feature_check,libunwind-debug-frame) 698 ifneq ($(feature-libunwind-debug-frame), 1) 699 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 700 endif 701 endif 702 703 define PROCESS_REMOTE_LIBUNWIND_ARCH 704 $(call feature_check,libunwind-$(1)) 705 706 ifeq ($$(feature-libunwind-$(1)), 1) 707 upper_arch := $$(shell echo $(1) | tr '[:lower:]' '[:upper:]') 708 $$(call detected,CONFIG_LIBUNWIND_$$(upper_arch)) 709 710 CFLAGS += -DHAVE_LIBUNWIND_$$(upper_arch)_SUPPORT 711 LDFLAGS += -lunwind-$(1) 712 EXTLIBS_LIBUNWIND += -lunwind-$(1) 713 have_libunwind := 1 714 715 $$(call feature_check,libunwind-debug-frame-$(1)) 716 ifneq ($$(feature-libunwind-debug-frame-$(1)), 1) 717 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_$$(upper_arch) 718 endif 719 endif 720 endef 721 $(foreach arch,$(LIBUNWIND_ARCHS), \ 722 $(eval $(call PROCESS_REMOTE_LIBUNWIND_ARCH,$(arch))) \ 723 ) 724 725 EXTLIBS += $(EXTLIBS_LIBUNWIND) 726 727 ifeq ($(findstring -static,${LDFLAGS}),-static) 728 # gcc -static links libgcc_eh which contains piece of libunwind 729 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition 730 endif 731 732 ifneq ($(have_libunwind), 1) 733 NO_LIBUNWIND := 1 734 endif 735endif 736 737dwarf-post-unwind := 1 738dwarf-post-unwind-text := BUG 739 740# setup DWARF post unwinder 741ifdef NO_LIBUNWIND 742 ifdef NO_LIBDW 743 $(warning Disabling post unwind, no support found.) 744 dwarf-post-unwind := 0 745 else 746 dwarf-post-unwind-text := libdw 747 $(call detected,CONFIG_LIBDW_DWARF_UNWIND) 748 endif 749else 750 dwarf-post-unwind-text := libunwind 751 $(call detected,CONFIG_LIBUNWIND) 752endif 753 754ifeq ($(dwarf-post-unwind),1) 755 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT 756 $(call detected,CONFIG_DWARF_UNWIND) 757endif 758 759ifneq ($(NO_LIBTRACEEVENT),1) 760 $(call detected,CONFIG_TRACE) 761endif 762 763ifndef NO_SLANG 764 ifneq ($(feature-libslang), 1) 765 $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev) 766 NO_SLANG := 1 767 endif 768 ifndef NO_SLANG 769 CFLAGS += -DHAVE_SLANG_SUPPORT 770 EXTLIBS += -lslang 771 $(call detected,CONFIG_SLANG) 772 endif 773endif 774 775ifdef GTK2 776 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) 777 $(call feature_check,gtk2) 778 ifneq ($(feature-gtk2), 1) 779 $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev) 780 NO_GTK2 := 1 781 else 782 $(call feature_check,gtk2-infobar) 783 ifeq ($(feature-gtk2-infobar), 1) 784 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT 785 endif 786 CFLAGS += -DHAVE_GTK2_SUPPORT 787 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) 788 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) 789 EXTLIBS += -ldl 790 endif 791endif 792 793ifdef LIBPERL 794 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) 795 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) 796 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) 797 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) 798 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) 799 PERL_EMBED_CCOPTS := $(filter-out -flto% -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) 800 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 801 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) 802 803 $(call feature_check,libperl) 804 ifneq ($(feature-libperl), 1) 805 $(error Missing perl devel files. Please install perl-ExtUtils-Embed/libperl-dev) 806 else 807 LDFLAGS += $(PERL_EMBED_LDFLAGS) 808 EXTLIBS += $(PERL_EMBED_LIBADD) 809 CFLAGS += -DHAVE_LIBPERL_SUPPORT 810 $(call detected,CONFIG_LIBPERL) 811 endif 812endif 813 814ifeq ($(feature-timerfd), 1) 815 CFLAGS += -DHAVE_TIMERFD_SUPPORT 816else 817 $(warning No timerfd support. Disables 'perf kvm stat live') 818endif 819 820disable-python = $(eval $(disable-python_code)) 821define disable-python_code 822 CFLAGS += -DNO_LIBPYTHON 823 $(warning $1) 824 NO_LIBPYTHON := 1 825endef 826 827PYTHON_EXTENSION_SUFFIX := '.so' 828ifdef NO_LIBPYTHON 829 $(call disable-python,Python support disabled by user) 830else 831 832 ifndef PYTHON 833 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev) 834 else 835 PYTHON_WORD := $(call shell-wordify,$(PYTHON)) 836 837 ifndef PYTHON_CONFIG 838 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) 839 else 840 841 ifneq ($(feature-libpython), 1) 842 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev) 843 else 844 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 845 EXTLIBS += $(PYTHON_EMBED_LIBADD) 846 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no") 847 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes) 848 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])') 849 ifdef CROSS_COMPILE 850 PYTHON_EXTENSION_SUFFIX := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EXTENSION_SUFFIX)) 851 endif 852 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX) 853 else 854 $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent) 855 endif 856 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT 857 $(call detected,CONFIG_LIBPYTHON) 858 ifeq ($(filter -fPIC,$(CFLAGS)),) 859 # Building a shared library requires position independent code. 860 CFLAGS += -fPIC 861 CXXFLAGS += -fPIC 862 endif 863 endif 864 endif 865 endif 866endif 867 868ifneq ($(NO_JEVENTS),1) 869 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),) 870 NO_JEVENTS := 1 871 endif 872endif 873ifneq ($(NO_JEVENTS),1) 874 NO_JEVENTS := 0 875 ifndef PYTHON 876 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.) 877 else 878 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016. 879 JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null) 880 ifneq ($(JEVENTS_PYTHON_GOOD), 1) 881 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.) 882 endif 883 endif 884endif 885 886ifdef BUILD_NONDISTRO 887 # call all detections now so we get correct status in VF output 888 $(call feature_check,libbfd) 889 $(call feature_check,disassembler-four-args) 890 $(call feature_check,disassembler-init-styled) 891 $(call feature_check,libbfd-threadsafe) 892 $(call feature_check,libbfd-liberty) 893 $(call feature_check,libbfd-liberty-z) 894 895 ifneq ($(feature-libbfd-threadsafe), 1) 896 $(error binutils-dev(el) 2.42 or later is required for non-distro builds) 897 endif 898 899 # we may be on a system that requires -liberty and (maybe) -lz 900 # to link against -lbfd; test each case individually here 901 ifeq ($(feature-libbfd), 1) 902 EXTLIBS += -lbfd -lopcodes 903 else ifeq ($(feature-libbfd-liberty), 1) 904 EXTLIBS += -lbfd -lopcodes -liberty 905 else ifeq ($(feature-libbfd-liberty-z), 1) 906 EXTLIBS += -lbfd -lopcodes -liberty -lz 907 endif 908 909 CFLAGS += -DHAVE_LIBBFD_SUPPORT 910 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT 911 $(call detected,CONFIG_LIBBFD) 912 913 ifeq ($(feature-disassembler-four-args), 1) 914 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 915 endif 916 917 ifeq ($(feature-disassembler-init-styled), 1) 918 CFLAGS += -DDISASM_INIT_STYLED 919 endif 920endif 921 922ifndef NO_LIBLLVM 923 $(call feature_check,llvm-perf) 924 ifeq ($(feature-llvm-perf), 1) 925 CFLAGS += -DHAVE_LIBLLVM_SUPPORT 926 LLVM_CFLAGS := $(shell $(LLVM_CONFIG) --cflags 2>/dev/null) 927 LLVM_CXXFLAGS := $(shell $(LLVM_CONFIG) --cxxflags 2>/dev/null) 928 LLVM_LIBLLVM := $(shell $(LLVM_CONFIG) --libs all 2>/dev/null) $(shell $(LLVM_CONFIG) --system-libs 2>/dev/null) 929 LLVM_LIBDIR := $(shell $(LLVM_CONFIG) --libdir 2>/dev/null) 930 CFLAGS += $(LLVM_CFLAGS) 931 CXXFLAGS += -DHAVE_LIBLLVM_SUPPORT $(LLVM_CXXFLAGS) 932 LIBLLVM := $(LLVM_LIBLLVM) 933 EXTLIBS += -L$(LLVM_LIBDIR) $(LIBLLVM) 934 EXTLIBS += -lstdc++ 935 $(call detected,CONFIG_LIBLLVM) 936 else 937 $(warning No libllvm 13+ found, slower source file resolution, please install llvm-devel/llvm-dev) 938 NO_LIBLLVM := 1 939 endif 940endif 941 942ifndef NO_DEMANGLE 943 $(call feature_check,cxa-demangle) 944 ifeq ($(feature-cxa-demangle), 1) 945 EXTLIBS += -lstdc++ 946 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 947 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 948 $(call detected,CONFIG_CXX_DEMANGLE) 949 endif 950 ifdef BUILD_NONDISTRO 951 ifeq ($(filter -liberty,$(EXTLIBS)),) 952 $(call feature_check,cplus-demangle) 953 ifeq ($(feature-cplus-demangle), 1) 954 EXTLIBS += -liberty 955 endif 956 endif 957 ifneq ($(filter -liberty,$(EXTLIBS)),) 958 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 959 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 960 endif 961 endif 962endif 963 964ifndef NO_LZMA 965 ifeq ($(feature-lzma), 1) 966 CFLAGS += -DHAVE_LZMA_SUPPORT 967 EXTLIBS += -llzma 968 $(call detected,CONFIG_LZMA) 969 else 970 $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev) 971 NO_LZMA := 1 972 endif 973endif 974 975ifndef NO_LIBZSTD 976 ifeq ($(feature-libzstd), 1) 977 CFLAGS += -DHAVE_ZSTD_SUPPORT 978 CFLAGS += $(LIBZSTD_CFLAGS) 979 LDFLAGS += $(LIBZSTD_LDFLAGS) 980 EXTLIBS += -lzstd 981 $(call detected,CONFIG_ZSTD) 982 else 983 $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR) 984 NO_LIBZSTD := 1 985 endif 986endif 987 988ifndef NO_BACKTRACE 989 ifeq ($(feature-backtrace), 1) 990 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 991 endif 992endif 993 994ifndef NO_LIBNUMA 995 ifeq ($(feature-libnuma), 0) 996 $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev) 997 NO_LIBNUMA := 1 998 else 999 ifeq ($(feature-numa_num_possible_cpus), 0) 1000 $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8) 1001 NO_LIBNUMA := 1 1002 else 1003 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 1004 EXTLIBS += -lnuma 1005 $(call detected,CONFIG_NUMA) 1006 endif 1007 endif 1008endif 1009 1010ifeq (${IS_64_BIT}, 1) 1011 ifndef NO_PERF_READ_VDSO32 1012 $(call feature_check,compile-32) 1013 ifeq ($(feature-compile-32), 1) 1014 CFLAGS += -DHAVE_PERF_READ_VDSO32 1015 else 1016 NO_PERF_READ_VDSO32 := 1 1017 endif 1018 endif 1019 ifneq ($(SRCARCH), x86) 1020 NO_PERF_READ_VDSOX32 := 1 1021 endif 1022 ifndef NO_PERF_READ_VDSOX32 1023 $(call feature_check,compile-x32) 1024 ifeq ($(feature-compile-x32), 1) 1025 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1026 else 1027 NO_PERF_READ_VDSOX32 := 1 1028 endif 1029 endif 1030else 1031 NO_PERF_READ_VDSO32 := 1 1032 NO_PERF_READ_VDSOX32 := 1 1033endif 1034 1035ifndef NO_BABELTRACE2 1036 $(call feature_check,babeltrace2-ctf-writer) 1037 ifeq ($(feature-babeltrace2-ctf-writer), 1) 1038 CFLAGS += -DHAVE_BABELTRACE2_CTF_WRITER_SUPPORT $(shell $(PKG_CONFIG) --cflags babeltrace2-ctf-writer) 1039 LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L babeltrace2-ctf-writer) 1040 EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l babeltrace2-ctf-writer) 1041 $(call detected,CONFIG_BABELTRACE2_CTF_WRITER) 1042 else 1043 $(warning No babeltrace2 found, disables 'perf data' CTF format support, please install libbabeltrace2-dev[el]) 1044 endif 1045endif 1046 1047ifndef NO_CAPSTONE 1048 $(call feature_check,libcapstone) 1049 ifeq ($(feature-libcapstone), 1) 1050 CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LIBCAPSTONE_CFLAGS) 1051 ifdef LIBCAPSTONE_DLOPEN 1052 CFLAGS += -DLIBCAPSTONE_DLOPEN 1053 else 1054 LDFLAGS += $(LIBCAPSTONE_LDFLAGS) 1055 EXTLIBS += -lcapstone 1056 endif 1057 $(call detected,CONFIG_LIBCAPSTONE) 1058 else 1059 msg := $(warning No libcapstone found, disables disasm engine support for 'perf script', please install libcapstone-dev/capstone-devel); 1060 endif 1061endif 1062 1063ifdef EXTRA_TESTS 1064 $(call detected,CONFIG_EXTRA_TESTS) 1065 CFLAGS += -DHAVE_EXTRA_TESTS 1066endif 1067 1068ifndef NO_JVMTI 1069 ifneq (,$(wildcard /usr/sbin/update-java-alternatives)) 1070 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}') 1071 else 1072 ifneq (,$(wildcard /usr/sbin/alternatives)) 1073 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g') 1074 endif 1075 endif 1076 ifndef JDIR 1077 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory) 1078 NO_JVMTI := 1 1079 endif 1080endif 1081 1082ifndef NO_JVMTI 1083 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux 1084 $(call feature_check,jvmti) 1085 ifeq ($(feature-jvmti), 1) 1086 $(call detected_var,JDIR) 1087 ifndef NO_JVMTI_CMLR 1088 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti) 1089 $(call feature_check,jvmti-cmlr) 1090 ifeq ($(feature-jvmti-cmlr), 1) 1091 CFLAGS += -DHAVE_JVMTI_CMLR 1092 endif 1093 endif # NO_JVMTI_CMLR 1094 else 1095 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-latest-openjdk-devel) 1096 NO_JVMTI := 1 1097 endif 1098endif 1099 1100ifndef NO_LIBPFM4 1101 $(call feature_check,libpfm4) 1102 ifeq ($(feature-libpfm4), 1) 1103 CFLAGS += -DHAVE_LIBPFM 1104 EXTLIBS += -lpfm 1105 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 1106 $(call detected,CONFIG_LIBPFM4) 1107 else 1108 $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm-devel or libpfm4-dev) 1109 endif 1110endif 1111 1112# libtraceevent is a recommended dependency picked up from the system. 1113ifneq ($(NO_LIBTRACEEVENT),1) 1114 ifeq ($(feature-libtraceevent), 1) 1115 CFLAGS += -DHAVE_LIBTRACEEVENT $(shell $(PKG_CONFIG) --cflags libtraceevent) 1116 LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtraceevent) 1117 EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtraceevent) 1118 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent).0.0 1119 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1120 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1121 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1122 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3)) 1123 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP) 1124 $(call detected,CONFIG_LIBTRACEEVENT) 1125 else 1126 $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel and/or set LIBTRACEEVENT_DIR or build with NO_LIBTRACEEVENT=1) 1127 endif 1128endif 1129 1130ifndef NO_RUST 1131 $(call feature_check,rust) 1132 ifneq ($(feature-rust), 1) 1133 $(warning Rust is not found. Test workloads with rust are disabled.) 1134 NO_RUST := 1 1135 else 1136 NO_RUST := 0 1137 CFLAGS += -DHAVE_RUST_SUPPORT 1138 $(call detected,CONFIG_RUST_SUPPORT) 1139 endif 1140 1141 ifneq ($(CROSS_COMPILE),) 1142 RUST_TARGET_FLAGS_arm := arm-unknown-linux-gnueabi 1143 RUST_TARGET_FLAGS_arm64 := aarch64-unknown-linux-gnu 1144 RUST_TARGET_FLAGS_m68k := m68k-unknown-linux-gnu 1145 RUST_TARGET_FLAGS_mips := mipsel-unknown-linux-gnu 1146 RUST_TARGET_FLAGS_powerpc := powerpc64le-unknown-linux-gnu 1147 RUST_TARGET_FLAGS_riscv := riscv64gc-unknown-linux-gnu 1148 RUST_TARGET_FLAGS_s390 := s390x-unknown-linux-gnu 1149 RUST_TARGET_FLAGS_x86 := x86_64-unknown-linux-gnu 1150 RUST_TARGET_FLAGS_x86_64 := x86_64-unknown-linux-gnu 1151 1152 ifeq ($(RUST_TARGET_FLAGS_$(ARCH)),) 1153 $(error Unknown rust cross compilation architecture $(ARCH)) 1154 endif 1155 1156 RUST_FLAGS += --target=$(RUST_TARGET_FLAGS_$(ARCH)) 1157 endif 1158endif 1159 1160# Among the variables below, these: 1161# perfexecdir 1162# libbpf_include_dir 1163# perf_examples_dir 1164# template_dir 1165# mandir 1166# infodir 1167# htmldir 1168# ETC_PERFCONFIG (but not sysconfdir) 1169# can be specified as a relative path some/where/else; 1170# this is interpreted as relative to $(prefix) and "perf" at 1171# runtime figures out where they are based on the path to the executable. 1172# This can help installing the suite in a relocatable way. 1173 1174# Make the path relative to DESTDIR, not to prefix 1175ifndef DESTDIR 1176prefix ?= $(HOME) 1177endif 1178bindir_relative = bin 1179bindir = $(abspath $(prefix)/$(bindir_relative)) 1180includedir_relative = include 1181includedir = $(abspath $(prefix)/$(includedir_relative)) 1182mandir = share/man 1183infodir = share/info 1184perfexecdir = libexec/perf-core 1185# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance 1186libbpf_include_dir = /usr/include 1187perf_examples_dir = lib/perf/examples 1188sharedir = $(prefix)/share 1189template_dir = share/perf-core/templates 1190STRACE_GROUPS_DIR = share/perf-core/strace/groups 1191htmldir = share/doc/perf-doc 1192tipdir = share/doc/perf-tip 1193srcdir = $(srctree)/tools/perf 1194ifeq ($(prefix),/usr) 1195sysconfdir = /etc 1196ETC_PERFCONFIG = $(sysconfdir)/perfconfig 1197else 1198sysconfdir = $(prefix)/etc 1199ETC_PERFCONFIG = etc/perfconfig 1200endif 1201ifndef lib 1202ifeq ($(SRCARCH)$(IS_64_BIT), x861) 1203lib = lib64 1204else 1205lib = lib 1206endif 1207endif # lib 1208libdir = $(prefix)/$(lib) 1209 1210# Shell quote (do not use $(call) to accommodate ancient setups); 1211ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) 1212STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR)) 1213DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) 1214bindir_SQ = $(subst ','\'',$(bindir)) 1215includedir_SQ = $(subst ','\'',$(includedir)) 1216mandir_SQ = $(subst ','\'',$(mandir)) 1217infodir_SQ = $(subst ','\'',$(infodir)) 1218perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) 1219libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir)) 1220perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir)) 1221template_dir_SQ = $(subst ','\'',$(template_dir)) 1222htmldir_SQ = $(subst ','\'',$(htmldir)) 1223tipdir_SQ = $(subst ','\'',$(tipdir)) 1224prefix_SQ = $(subst ','\'',$(prefix)) 1225sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) 1226libdir_SQ = $(subst ','\'',$(libdir)) 1227srcdir_SQ = $(subst ','\'',$(srcdir)) 1228 1229ifneq ($(filter /%,$(firstword $(perfexecdir))),) 1230perfexec_instdir = $(perfexecdir) 1231perf_include_instdir = $(libbpf_include_dir) 1232perf_examples_instdir = $(perf_examples_dir) 1233STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) 1234tip_instdir = $(tipdir) 1235else 1236perfexec_instdir = $(prefix)/$(perfexecdir) 1237perf_include_instdir = $(prefix)/$(libbpf_include_dir) 1238perf_examples_instdir = $(prefix)/$(perf_examples_dir) 1239STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) 1240tip_instdir = $(prefix)/$(tipdir) 1241endif 1242perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) 1243perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir)) 1244perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir)) 1245STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) 1246tip_instdir_SQ = $(subst ','\'',$(tip_instdir)) 1247 1248export perfexec_instdir_SQ 1249 1250print_var = $(eval $(print_var_code)) $(info $(MSG)) 1251define print_var_code 1252 MSG = $(shell printf '...%40s: %s' $(1) $($(1))) 1253endef 1254 1255ifeq ($(feature_display),1) 1256 $(call feature_display_entries) 1257endif 1258 1259ifeq ($(VF),1) 1260 # Display EXTRA features which are detected manualy 1261 # from here with feature_check call and thus cannot 1262 # be partof global state output. 1263 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG))) 1264 $(call print_var,prefix) 1265 $(call print_var,bindir) 1266 $(call print_var,libdir) 1267 $(call print_var,sysconfdir) 1268 $(call print_var,LIBUNWIND_DIR) 1269 $(call print_var,LIBDW_DIR) 1270 $(call print_var,JDIR) 1271 1272 ifeq ($(dwarf-post-unwind),1) 1273 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG)) 1274 endif 1275endif 1276 1277$(info ) 1278 1279$(call detected_var,bindir_SQ) 1280$(call detected_var,PYTHON_WORD) 1281ifneq ($(OUTPUT),) 1282$(call detected_var,OUTPUT) 1283endif 1284$(call detected_var,htmldir_SQ) 1285$(call detected_var,infodir_SQ) 1286$(call detected_var,mandir_SQ) 1287$(call detected_var,ETC_PERFCONFIG_SQ) 1288$(call detected_var,STRACE_GROUPS_DIR_SQ) 1289$(call detected_var,prefix_SQ) 1290$(call detected_var,perfexecdir_SQ) 1291$(call detected_var,libbpf_include_dir_SQ) 1292$(call detected_var,perf_examples_dir_SQ) 1293$(call detected_var,tipdir_SQ) 1294$(call detected_var,srcdir_SQ) 1295$(call detected_var,LIBDIR) 1296$(call detected_var,GTK_CFLAGS) 1297$(call detected_var,PERL_EMBED_CCOPTS) 1298$(call detected_var,PYTHON_EMBED_CCOPTS) 1299ifneq ($(BISON_FILE_PREFIX_MAP),) 1300$(call detected_var,BISON_FILE_PREFIX_MAP) 1301endif 1302 1303# re-generate FEATURE-DUMP as we may have called feature_check, found out 1304# extra libraries to add to LDFLAGS of some other test and then redo those 1305# tests. 1306$(shell rm -f $(FEATURE_DUMP_FILENAME)) 1307$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) 1308