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 ppc 69ifeq ($(SRCARCH),powerpc) 70 ifndef NO_LIBUNWIND 71 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64 72 endif 73endif 74 75# Additional ARCH settings for x86 76ifeq ($(SRCARCH),x86) 77 $(call detected,CONFIG_X86) 78 ifeq (${IS_64_BIT}, 1) 79 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT 80 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S 81 ifndef NO_LIBUNWIND 82 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma 83 endif 84 $(call detected,CONFIG_X86_64) 85 else 86 ifndef NO_LIBUNWIND 87 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind 88 endif 89 endif 90endif 91 92ifeq ($(SRCARCH),arm) 93 ifndef NO_LIBUNWIND 94 LIBUNWIND_LIBS = -lunwind -lunwind-arm 95 endif 96endif 97 98ifeq ($(SRCARCH),arm64) 99 ifndef NO_LIBUNWIND 100 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64 101 endif 102endif 103 104ifeq ($(SRCARCH),loongarch) 105 ifndef NO_LIBUNWIND 106 LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64 107 endif 108endif 109 110ifeq ($(ARCH),s390) 111 CFLAGS += -fPIC 112endif 113 114ifeq ($(ARCH),mips) 115 ifndef NO_LIBUNWIND 116 LIBUNWIND_LIBS = -lunwind -lunwind-mips 117 endif 118endif 119 120ifneq ($(LIBUNWIND),1) 121 NO_LIBUNWIND := 1 122endif 123 124ifeq ($(LIBUNWIND_LIBS),) 125 NO_LIBUNWIND := 1 126endif 127# 128# For linking with debug library, run like: 129# 130# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/ 131# 132 133libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code)) 134define libunwind_arch_set_flags_code 135 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include 136 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib 137endef 138 139ifdef LIBUNWIND_DIR 140 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include 141 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib 142 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64 loongarch 143 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch))) 144endif 145 146ifndef NO_LIBUNWIND 147 # Set per-feature check compilation flags 148 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS) 149 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 150 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS) 151 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 152 153 FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm 154 FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64 155 FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86 156 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64 157endif 158 159ifdef CSINCLUDES 160 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES) 161endif 162OPENCSDLIBS := -lopencsd_c_api -lopencsd 163ifeq ($(findstring -static,${LDFLAGS}),-static) 164 OPENCSDLIBS += -lstdc++ 165endif 166ifdef CSLIBS 167 LIBOPENCSD_LDFLAGS := -L$(CSLIBS) 168endif 169FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS) 170FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS) 171 172# for linking with debug library, run like: 173# make DEBUG=1 LIBDW_DIR=/opt/libdw/ 174ifdef LIBDW_DIR 175 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include 176 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib 177endif 178DWARFLIBS := -ldw 179ifeq ($(findstring -static,${LDFLAGS}),-static) 180 DWARFLIBS += -lelf -lz -llzma -lbz2 181 182 LIBDW_VERSION := $(shell $(PKG_CONFIG) --modversion libdw).0.0 183 LIBDW_VERSION_1 := $(word 1, $(subst ., ,$(LIBDW_VERSION))) 184 LIBDW_VERSION_2 := $(word 2, $(subst ., ,$(LIBDW_VERSION))) 185 186 # Elfutils merged libebl.a into libdw.a starting from version 0.177, 187 # Link libebl.a only if libdw is older than this version. 188 ifeq ($(shell test $(LIBDW_VERSION_2) -lt 177; echo $$?),0) 189 DWARFLIBS += -lebl 190 endif 191 192 # Must put -ldl after -lebl for dependency 193 DWARFLIBS += -ldl 194endif 195FEATURE_CHECK_CFLAGS-libdw := $(LIBDW_CFLAGS) 196FEATURE_CHECK_LDFLAGS-libdw := $(LIBDW_LDFLAGS) $(DWARFLIBS) 197 198# for linking with debug library, run like: 199# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/ 200ifdef LIBBABELTRACE_DIR 201 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include 202 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib 203endif 204FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS) 205FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf 206 207# for linking with debug library, run like: 208# make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/ 209ifdef LIBCAPSTONE_DIR 210 LIBCAPSTONE_CFLAGS := -I$(LIBCAPSTONE_DIR)/include 211 LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/ 212endif 213FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPSTONE_CFLAGS) 214FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPSTONE_LDFLAGS) -lcapstone 215 216ifdef LIBZSTD_DIR 217 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib 218 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib 219endif 220FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS) 221FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS) 222 223# for linking with debug library, run like: 224# make DEBUG=1 PKG_CONFIG_PATH=/opt/libtraceevent/(lib|lib64)/pkgconfig 225 226ifneq ($(NO_LIBTRACEEVENT),1) 227 ifeq ($(call get-executable,$(PKG_CONFIG)),) 228 $(error Error: $(PKG_CONFIG) needed by libtraceevent is missing on this system, please install it) 229 endif 230endif 231 232FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi 233# include ARCH specific config 234-include $(src-perf)/arch/$(SRCARCH)/Makefile 235 236include $(srctree)/tools/scripts/utilities.mak 237 238ifeq ($(call get-executable,$(FLEX)),) 239 $(error Error: $(FLEX) is missing on this system, please install it) 240endif 241 242ifeq ($(call get-executable,$(BISON)),) 243 $(error Error: $(BISON) is missing on this system, please install it) 244endif 245 246ifneq ($(OUTPUT),) 247 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1) 248 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)= 249 endif 250endif 251 252# Treat warnings as errors unless directed not to 253ifneq ($(WERROR),0) 254 CORE_CFLAGS += -Werror 255 CXXFLAGS += -Werror 256 HOSTCFLAGS += -Werror 257endif 258 259ifndef DEBUG 260 DEBUG := 0 261endif 262 263ifeq ($(DEBUG),0) 264CORE_CFLAGS += -DNDEBUG=1 265CORE_CFLAGS += -O3 266else 267 CORE_CFLAGS += -g 268 CXXFLAGS += -g 269endif 270 271ifdef PARSER_DEBUG 272 PARSER_DEBUG_BISON := -t 273 PARSER_DEBUG_FLEX := -d 274 CFLAGS += -DPARSER_DEBUG 275 $(call detected_var,PARSER_DEBUG_BISON) 276 $(call detected_var,PARSER_DEBUG_FLEX) 277endif 278 279ifdef LTO 280 CORE_CFLAGS += -flto 281 CXXFLAGS += -flto 282endif 283 284# Try different combinations to accommodate systems that only have 285# python[2][3]-config in weird combinations in the following order of 286# priority from lowest to highest: 287# * python2-config as per pep-0394. 288# * python-config 289# * python3-config 290# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't) 291# 292PYTHON_AUTO := python-config 293PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO)) 294PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO)) 295PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO)) 296 297# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user 298# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist. 299ifdef PYTHON 300 ifndef PYTHON_CONFIG 301 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config) 302 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\ 303 $(call $(error $(PYTHON)-config not found))) 304 endif 305endif 306 307# Select either auto detected python and python-config or use user supplied values if they are 308# defined. get-executable-or-default fails with an error if the first argument is supplied but 309# doesn't exist. 310override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO)) 311override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG))) 312 313grep-libs = $(filter -l%,$(1)) 314strip-libs = $(filter-out -l%,$(1)) 315 316PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG)) 317 318# Python 3.8 changed the output of `python-config --ldflags` to not include the 319# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for 320# libpython fails if that flag is not included in LDFLAGS 321ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0) 322 PYTHON_CONFIG_LDFLAGS := --ldflags --embed 323else 324 PYTHON_CONFIG_LDFLAGS := --ldflags 325endif 326 327ifdef PYTHON_CONFIG 328 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null) 329 # Update the python flags for cross compilation 330 ifdef CROSS_COMPILE 331 PYTHON_NATIVE := $(shell echo $(PYTHON_EMBED_LDOPTS) | sed 's/\(-L.*\/\)\(.*-linux-gnu\).*/\2/') 332 PYTHON_EMBED_LDOPTS := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EMBED_LDOPTS)) 333 endif 334 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS)) 335 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil 336 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null) 337 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS) 338 ifeq ($(CC_NO_CLANG), 0) 339 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS)) 340 endif 341endif 342 343FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS) 344FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS) 345 346FEATURE_CHECK_LDFLAGS-libaio = -lrt 347 348CORE_CFLAGS += -fno-omit-frame-pointer 349CORE_CFLAGS += -Wall 350CORE_CFLAGS += -Wextra 351CORE_CFLAGS += -std=gnu11 352 353CXXFLAGS += -std=gnu++17 -fno-exceptions -fno-rtti 354CXXFLAGS += -Wall 355CXXFLAGS += -Wextra 356CXXFLAGS += -fno-omit-frame-pointer 357 358HOSTCFLAGS += -Wall 359HOSTCFLAGS += -Wextra 360 361# Enforce a non-executable stack, as we may regress (again) in the future by 362# adding assembler files missing the .GNU-stack linker note. 363LDFLAGS += -Wl,-z,noexecstack 364 365EXTLIBS = -lpthread -lrt -lm -ldl 366 367ifneq ($(TCMALLOC),) 368 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free 369 EXTLIBS += -ltcmalloc 370endif 371 372ifeq ($(FEATURES_DUMP),) 373# We will display at the end of this Makefile.config, using $(call feature_display_entries), 374# as we may retry some feature detection here. 375 FEATURE_DISPLAY_DEFERRED := 1 376include $(srctree)/tools/build/Makefile.feature 377else 378include $(FEATURES_DUMP) 379endif 380 381ifeq ($(feature-stackprotector-all), 1) 382 CORE_CFLAGS += -fstack-protector-all 383endif 384 385ifeq ($(DEBUG),0) 386 ifeq ($(feature-fortify-source), 1) 387 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 388 endif 389endif 390 391INC_FLAGS += -I$(src-perf)/util/include 392INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include 393INC_FLAGS += -I$(srctree)/tools/include/ 394INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi 395INC_FLAGS += -I$(srctree)/tools/include/uapi 396INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/ 397INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/ 398 399# $(obj-perf) for generated common-cmds.h 400# $(obj-perf)/util for generated bison/flex headers 401ifneq ($(OUTPUT),) 402INC_FLAGS += -I$(obj-perf)/util 403INC_FLAGS += -I$(obj-perf) 404endif 405 406INC_FLAGS += -I$(src-perf)/util 407INC_FLAGS += -I$(src-perf) 408 409CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE 410 411CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS) 412CXXFLAGS += $(INC_FLAGS) 413 414LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS) 415 416ifeq ($(feature-pthread-attr-setaffinity-np), 1) 417 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP 418endif 419 420ifeq ($(feature-pthread-barrier), 1) 421 CFLAGS += -DHAVE_PTHREAD_BARRIER 422endif 423 424ifndef NO_BIONIC 425 $(call feature_check,bionic) 426 ifeq ($(feature-bionic), 1) 427 BIONIC := 1 428 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE 429 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE 430 EXTLIBS := $(filter-out -lrt,$(EXTLIBS)) 431 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS)) 432 endif 433endif 434 435ifeq ($(feature-eventfd), 1) 436 CFLAGS += -DHAVE_EVENTFD_SUPPORT 437endif 438 439ifeq ($(feature-gettid), 1) 440 CFLAGS += -DHAVE_GETTID 441endif 442 443ifeq ($(feature-file-handle), 1) 444 CFLAGS += -DHAVE_FILE_HANDLE 445endif 446 447ifdef NO_LIBELF 448 NO_LIBDW := 1 449 NO_LIBUNWIND := 1 450 NO_LIBBPF := 1 451 NO_JVMTI := 1 452else 453 ifeq ($(feature-libelf), 0) 454 ifeq ($(feature-glibc), 1) 455 LIBC_SUPPORT := 1 456 endif 457 ifeq ($(BIONIC),1) 458 LIBC_SUPPORT := 1 459 endif 460 ifeq ($(LIBC_SUPPORT),1) 461 $(error ERROR: No libelf found. Disables 'probe' tool, jvmti and BPF support. Please install libelf-dev, libelf-devel, elfutils-libelf-devel or build with NO_LIBELF=1.) 462 else 463 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),) 464 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0) 465 $(error No libasan found, please install libasan) 466 endif 467 endif 468 469 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),) 470 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0) 471 $(error No libubsan found, please install libubsan) 472 endif 473 endif 474 475 ifneq ($(filter s% -static%,$(LDFLAGS),),) 476 $(error No static glibc found, please install glibc-static) 477 else 478 $(error No gnu/libc-version.h found, please install glibc-dev[el]) 479 endif 480 endif 481 else 482 ifneq ($(feature-libdw), 1) 483 ifndef NO_LIBDW 484 $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.157, disables dwarf support. Please install new elfutils-devel/libdw-dev) 485 NO_LIBDW := 1 486 endif 487 endif # Dwarf support 488 endif # libelf support 489endif # NO_LIBELF 490 491ifeq ($(feature-libaio), 1) 492 ifndef NO_AIO 493 CFLAGS += -DHAVE_AIO_SUPPORT 494 endif 495endif 496 497ifeq ($(feature-scandirat), 1) 498 # Ignore having scandirat with memory sanitizer that lacks an interceptor. 499 ifeq ($(filter s% -fsanitize=memory%,$(EXTRA_CFLAGS),),) 500 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT 501 endif 502endif 503 504ifeq ($(feature-sched_getcpu), 1) 505 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT 506endif 507 508ifeq ($(feature-setns), 1) 509 CFLAGS += -DHAVE_SETNS_SUPPORT 510 $(call detected,CONFIG_SETNS) 511endif 512 513ifeq ($(feature-reallocarray), 0) 514 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 515endif 516 517ifdef CORESIGHT 518 $(call feature_check,libopencsd) 519 ifeq ($(feature-libopencsd), 1) 520 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS) 521 LDFLAGS += $(LIBOPENCSD_LDFLAGS) 522 EXTLIBS += $(OPENCSDLIBS) 523 $(call detected,CONFIG_LIBOPENCSD) 524 ifdef CSTRACE_RAW 525 CFLAGS += -DCS_DEBUG_RAW 526 ifeq (${CSTRACE_RAW}, packed) 527 CFLAGS += -DCS_RAW_PACKED 528 endif 529 endif 530 else 531 $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1) 532 endif 533endif 534 535ifndef NO_ZLIB 536 ifeq ($(feature-zlib), 1) 537 CFLAGS += -DHAVE_ZLIB_SUPPORT 538 EXTLIBS += -lz 539 $(call detected,CONFIG_ZLIB) 540 else 541 NO_ZLIB := 1 542 endif 543endif 544 545ifndef NO_LIBELF 546 CFLAGS += -DHAVE_LIBELF_SUPPORT 547 EXTLIBS += -lelf 548 $(call detected,CONFIG_LIBELF) 549 550 ifeq ($(feature-libelf-getphdrnum), 1) 551 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT 552 endif 553 554 ifeq ($(feature-libelf-gelf_getnote), 1) 555 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT 556 else 557 $(warning gelf_getnote() not found on libelf, SDT support disabled) 558 endif 559 560 ifeq ($(feature-libelf-getshdrstrndx), 1) 561 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT 562 endif 563 564 ifeq ($(feature-libelf-zstd), 1) 565 ifdef NO_LIBZSTD 566 $(error Error: libzstd is required by libelf, please do not set NO_LIBZSTD) 567 endif 568 endif 569 570 ifndef NO_LIBDEBUGINFOD 571 $(call feature_check,libdebuginfod) 572 ifeq ($(feature-libdebuginfod), 1) 573 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT 574 EXTLIBS += -ldebuginfod 575 else 576 $(warning No elfutils/debuginfod.h found, no debuginfo server support, please install libdebuginfod-dev/elfutils-debuginfod-client-devel or equivalent) 577 endif 578 endif 579 580 ifndef NO_LIBDW 581 CFLAGS += -DHAVE_LIBDW_SUPPORT $(LIBDW_CFLAGS) 582 LDFLAGS += $(LIBDW_LDFLAGS) 583 EXTLIBS += ${DWARFLIBS} 584 $(call detected,CONFIG_LIBDW) 585 endif # NO_LIBDW 586 587 ifndef NO_LIBBPF 588 ifeq ($(feature-bpf), 1) 589 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status 590 $(call feature_check,libbpf) 591 592 ifdef LIBBPF_DYNAMIC 593 ifeq ($(feature-libbpf), 1) 594 EXTLIBS += -lbpf 595 CFLAGS += -DHAVE_LIBBPF_SUPPORT 596 $(call detected,CONFIG_LIBBPF) 597 $(call detected,CONFIG_LIBBPF_DYNAMIC) 598 else 599 $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel) 600 endif 601 else 602 ifeq ($(NO_ZLIB), 1) 603 $(warning Warning: Statically building libbpf not possible as zlib is missing) 604 NO_LIBBPF := 1 605 else 606 # Libbpf will be built as a static library from tools/lib/bpf. 607 LIBBPF_STATIC := 1 608 $(call detected,CONFIG_LIBBPF) 609 CFLAGS += -DHAVE_LIBBPF_SUPPORT 610 LIBBPF_INCLUDE = $(LIBBPF_DIR)/.. 611 endif 612 endif 613 endif 614 endif # NO_LIBBPF 615endif # NO_LIBELF 616 617ifndef NO_SDT 618 ifneq ($(feature-sdt), 1) 619 $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev) 620 NO_SDT := 1; 621 else 622 CFLAGS += -DHAVE_SDT_EVENT 623 $(call detected,CONFIG_SDT_EVENT) 624 endif 625endif 626 627ifdef PERF_HAVE_JITDUMP 628 ifndef NO_LIBELF 629 $(call detected,CONFIG_JITDUMP) 630 CFLAGS += -DHAVE_JITDUMP 631 endif 632endif 633 634ifeq ($(SRCARCH),powerpc) 635 ifndef NO_LIBDW 636 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX 637 endif 638endif 639 640ifndef NO_LIBUNWIND 641 have_libunwind := 642 643 $(call feature_check,libunwind) 644 645 $(call feature_check,libunwind-x86) 646 ifeq ($(feature-libunwind-x86), 1) 647 $(call detected,CONFIG_LIBUNWIND_X86) 648 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT 649 LDFLAGS += -lunwind-x86 650 EXTLIBS_LIBUNWIND += -lunwind-x86 651 have_libunwind = 1 652 endif 653 654 $(call feature_check,libunwind-aarch64) 655 ifeq ($(feature-libunwind-aarch64), 1) 656 $(call detected,CONFIG_LIBUNWIND_AARCH64) 657 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT 658 LDFLAGS += -lunwind-aarch64 659 EXTLIBS_LIBUNWIND += -lunwind-aarch64 660 have_libunwind = 1 661 $(call feature_check,libunwind-debug-frame-aarch64) 662 ifneq ($(feature-libunwind-debug-frame-aarch64), 1) 663 $(warning No debug_frame support found in libunwind-aarch64) 664 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64 665 endif 666 endif 667 668 ifneq ($(feature-libunwind), 1) 669 $(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) 670 NO_LOCAL_LIBUNWIND := 1 671 else 672 have_libunwind := 1 673 $(call detected,CONFIG_LOCAL_LIBUNWIND) 674 endif 675 676 ifneq ($(have_libunwind), 1) 677 NO_LIBUNWIND := 1 678 endif 679else 680 NO_LOCAL_LIBUNWIND := 1 681endif 682 683ifndef NO_LIBBPF 684 ifneq ($(feature-bpf), 1) 685 $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) 686 NO_LIBBPF := 1 687 endif 688endif 689 690ifeq ($(feature-libopenssl), 1) 691 $(call detected,CONFIG_LIBOPENSSL) 692 CFLAGS += -DHAVE_LIBOPENSSL_SUPPORT 693endif 694 695ifndef BUILD_BPF_SKEL 696 # BPF skeletons control a large number of perf features, by default 697 # they are enabled. 698 BUILD_BPF_SKEL := 1 699endif 700 701ifeq ($(BUILD_BPF_SKEL),1) 702 ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),) 703 $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool) 704 BUILD_BPF_SKEL := 0 705 else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),) 706 $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool) 707 BUILD_BPF_SKEL := 0 708 else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) 709 $(warning Warning: Disabled BPF skeletons as libbpf is required) 710 BUILD_BPF_SKEL := 0 711 else ifeq ($(filter -DHAVE_LIBOPENSSL_SUPPORT, $(CFLAGS)),) 712 $(warning Warning: Disabled BPF skeletons as libopenssl is required) 713 BUILD_BPF_SKEL := 0 714 else ifeq ($(call get-executable,$(CLANG)),) 715 $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing) 716 BUILD_BPF_SKEL := 0 717 else 718 CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g') 719 ifeq ($(call version-lt3,$(CLANG_VERSION),12.0.1),1) 720 $(warning Warning: Disabled BPF skeletons as reliable BTF generation needs at least $(CLANG) version 12.0.1) 721 BUILD_BPF_SKEL := 0 722 endif 723 endif 724 ifeq ($(BUILD_BPF_SKEL),1) 725 $(call feature_check,clang-bpf-co-re) 726 ifeq ($(feature-clang-bpf-co-re), 0) 727 $(warning Warning: Disabled BPF skeletons as clang is too old) 728 BUILD_BPF_SKEL := 0 729 endif 730 endif 731 ifeq ($(BUILD_BPF_SKEL),1) 732 $(call detected,CONFIG_PERF_BPF_SKEL) 733 CFLAGS += -DHAVE_BPF_SKEL 734 endif 735endif 736 737ifndef GEN_VMLINUX_H 738 VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h 739endif 740 741dwarf-post-unwind := 1 742dwarf-post-unwind-text := BUG 743 744# setup DWARF post unwinder 745ifdef NO_LIBUNWIND 746 ifdef NO_LIBDW 747 $(warning Disabling post unwind, no support found.) 748 dwarf-post-unwind := 0 749 else 750 dwarf-post-unwind-text := libdw 751 $(call detected,CONFIG_LIBDW_DWARF_UNWIND) 752 endif 753else 754 dwarf-post-unwind-text := libunwind 755 $(call detected,CONFIG_LIBUNWIND) 756endif 757 758ifeq ($(dwarf-post-unwind),1) 759 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT 760 $(call detected,CONFIG_DWARF_UNWIND) 761endif 762 763ifndef NO_LIBUNWIND 764 ifndef NO_LOCAL_LIBUNWIND 765 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64)) 766 $(call feature_check,libunwind-debug-frame) 767 ifneq ($(feature-libunwind-debug-frame), 1) 768 $(warning No debug_frame support found in libunwind) 769 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 770 endif 771 else 772 # non-ARM has no dwarf_find_debug_frame() function: 773 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 774 endif 775 EXTLIBS += $(LIBUNWIND_LIBS) 776 LDFLAGS += $(LIBUNWIND_LIBS) 777 endif 778 ifeq ($(findstring -static,${LDFLAGS}),-static) 779 # gcc -static links libgcc_eh which contans piece of libunwind 780 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition 781 endif 782 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT 783 CFLAGS += $(LIBUNWIND_CFLAGS) 784 LDFLAGS += $(LIBUNWIND_LDFLAGS) 785 EXTLIBS += $(EXTLIBS_LIBUNWIND) 786endif 787 788ifneq ($(NO_LIBTRACEEVENT),1) 789 $(call detected,CONFIG_TRACE) 790endif 791 792ifndef NO_SLANG 793 ifneq ($(feature-libslang), 1) 794 $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev) 795 NO_SLANG := 1 796 endif 797 ifndef NO_SLANG 798 CFLAGS += -DHAVE_SLANG_SUPPORT 799 EXTLIBS += -lslang 800 $(call detected,CONFIG_SLANG) 801 endif 802endif 803 804ifdef GTK2 805 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) 806 $(call feature_check,gtk2) 807 ifneq ($(feature-gtk2), 1) 808 $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev) 809 NO_GTK2 := 1 810 else 811 $(call feature_check,gtk2-infobar) 812 ifeq ($(feature-gtk2-infobar), 1) 813 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT 814 endif 815 CFLAGS += -DHAVE_GTK2_SUPPORT 816 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) 817 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) 818 EXTLIBS += -ldl 819 endif 820endif 821 822ifdef LIBPERL 823 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) 824 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) 825 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) 826 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) 827 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) 828 PERL_EMBED_CCOPTS := $(filter-out -flto% -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) 829 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 830 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) 831 832 $(call feature_check,libperl) 833 ifneq ($(feature-libperl), 1) 834 $(error Missing perl devel files. Please install perl-ExtUtils-Embed/libperl-dev) 835 else 836 LDFLAGS += $(PERL_EMBED_LDFLAGS) 837 EXTLIBS += $(PERL_EMBED_LIBADD) 838 CFLAGS += -DHAVE_LIBPERL_SUPPORT 839 $(call detected,CONFIG_LIBPERL) 840 endif 841endif 842 843ifeq ($(feature-timerfd), 1) 844 CFLAGS += -DHAVE_TIMERFD_SUPPORT 845else 846 $(warning No timerfd support. Disables 'perf kvm stat live') 847endif 848 849disable-python = $(eval $(disable-python_code)) 850define disable-python_code 851 CFLAGS += -DNO_LIBPYTHON 852 $(warning $1) 853 NO_LIBPYTHON := 1 854endef 855 856PYTHON_EXTENSION_SUFFIX := '.so' 857ifdef NO_LIBPYTHON 858 $(call disable-python,Python support disabled by user) 859else 860 861 ifndef PYTHON 862 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev) 863 else 864 PYTHON_WORD := $(call shell-wordify,$(PYTHON)) 865 866 ifndef PYTHON_CONFIG 867 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) 868 else 869 870 ifneq ($(feature-libpython), 1) 871 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev) 872 else 873 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 874 EXTLIBS += $(PYTHON_EMBED_LIBADD) 875 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no") 876 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes) 877 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])') 878 ifdef CROSS_COMPILE 879 PYTHON_EXTENSION_SUFFIX := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EXTENSION_SUFFIX)) 880 endif 881 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX) 882 else 883 $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent) 884 endif 885 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT 886 $(call detected,CONFIG_LIBPYTHON) 887 ifeq ($(filter -fPIC,$(CFLAGS)),) 888 # Building a shared library requires position independent code. 889 CFLAGS += -fPIC 890 CXXFLAGS += -fPIC 891 endif 892 endif 893 endif 894 endif 895endif 896 897ifneq ($(NO_JEVENTS),1) 898 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),) 899 NO_JEVENTS := 1 900 endif 901endif 902ifneq ($(NO_JEVENTS),1) 903 NO_JEVENTS := 0 904 ifndef PYTHON 905 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.) 906 else 907 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016. 908 JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null) 909 ifneq ($(JEVENTS_PYTHON_GOOD), 1) 910 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.) 911 endif 912 endif 913endif 914 915ifdef BUILD_NONDISTRO 916 # call all detections now so we get correct status in VF output 917 $(call feature_check,libbfd) 918 $(call feature_check,disassembler-four-args) 919 $(call feature_check,disassembler-init-styled) 920 $(call feature_check,libbfd-threadsafe) 921 $(call feature_check,libbfd-liberty) 922 $(call feature_check,libbfd-liberty-z) 923 924 ifneq ($(feature-libbfd-threadsafe), 1) 925 $(error binutils 2.42 or later is required for non-distro builds) 926 endif 927 928 # we may be on a system that requires -liberty and (maybe) -lz 929 # to link against -lbfd; test each case individually here 930 ifeq ($(feature-libbfd), 1) 931 EXTLIBS += -lbfd -lopcodes 932 else ifeq ($(feature-libbfd-liberty), 1) 933 EXTLIBS += -lbfd -lopcodes -liberty 934 else ifeq ($(feature-libbfd-liberty-z), 1) 935 EXTLIBS += -lbfd -lopcodes -liberty -lz 936 endif 937 938 CFLAGS += -DHAVE_LIBBFD_SUPPORT 939 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT 940 $(call detected,CONFIG_LIBBFD) 941 942 ifeq ($(feature-disassembler-four-args), 1) 943 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 944 endif 945 946 ifeq ($(feature-disassembler-init-styled), 1) 947 CFLAGS += -DDISASM_INIT_STYLED 948 endif 949endif 950 951ifndef NO_LIBLLVM 952 $(call feature_check,llvm-perf) 953 ifeq ($(feature-llvm-perf), 1) 954 CFLAGS += -DHAVE_LIBLLVM_SUPPORT 955 CFLAGS += $(shell $(LLVM_CONFIG) --cflags) 956 CXXFLAGS += -DHAVE_LIBLLVM_SUPPORT 957 CXXFLAGS += $(shell $(LLVM_CONFIG) --cxxflags) 958 LIBLLVM = $(shell $(LLVM_CONFIG) --libs all) $(shell $(LLVM_CONFIG) --system-libs) 959 EXTLIBS += -L$(shell $(LLVM_CONFIG) --libdir) $(LIBLLVM) 960 EXTLIBS += -lstdc++ 961 $(call detected,CONFIG_LIBLLVM) 962 else 963 $(warning No libllvm 13+ found, slower source file resolution, please install llvm-devel/llvm-dev) 964 NO_LIBLLVM := 1 965 endif 966endif 967 968ifndef NO_DEMANGLE 969 $(call feature_check,cxa-demangle) 970 ifeq ($(feature-cxa-demangle), 1) 971 EXTLIBS += -lstdc++ 972 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 973 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 974 $(call detected,CONFIG_CXX_DEMANGLE) 975 endif 976 ifdef BUILD_NONDISTRO 977 ifeq ($(filter -liberty,$(EXTLIBS)),) 978 $(call feature_check,cplus-demangle) 979 ifeq ($(feature-cplus-demangle), 1) 980 EXTLIBS += -liberty 981 endif 982 endif 983 ifneq ($(filter -liberty,$(EXTLIBS)),) 984 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 985 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 986 endif 987 endif 988endif 989 990ifndef NO_LZMA 991 ifeq ($(feature-lzma), 1) 992 CFLAGS += -DHAVE_LZMA_SUPPORT 993 EXTLIBS += -llzma 994 $(call detected,CONFIG_LZMA) 995 else 996 $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev) 997 NO_LZMA := 1 998 endif 999endif 1000 1001ifndef NO_LIBZSTD 1002 ifeq ($(feature-libzstd), 1) 1003 CFLAGS += -DHAVE_ZSTD_SUPPORT 1004 CFLAGS += $(LIBZSTD_CFLAGS) 1005 LDFLAGS += $(LIBZSTD_LDFLAGS) 1006 EXTLIBS += -lzstd 1007 $(call detected,CONFIG_ZSTD) 1008 else 1009 $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR) 1010 NO_LIBZSTD := 1 1011 endif 1012endif 1013 1014ifndef NO_BACKTRACE 1015 ifeq ($(feature-backtrace), 1) 1016 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 1017 endif 1018endif 1019 1020ifndef NO_LIBNUMA 1021 ifeq ($(feature-libnuma), 0) 1022 $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev) 1023 NO_LIBNUMA := 1 1024 else 1025 ifeq ($(feature-numa_num_possible_cpus), 0) 1026 $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8) 1027 NO_LIBNUMA := 1 1028 else 1029 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 1030 EXTLIBS += -lnuma 1031 $(call detected,CONFIG_NUMA) 1032 endif 1033 endif 1034endif 1035 1036ifeq (${IS_64_BIT}, 1) 1037 ifndef NO_PERF_READ_VDSO32 1038 $(call feature_check,compile-32) 1039 ifeq ($(feature-compile-32), 1) 1040 CFLAGS += -DHAVE_PERF_READ_VDSO32 1041 else 1042 NO_PERF_READ_VDSO32 := 1 1043 endif 1044 endif 1045 ifneq ($(SRCARCH), x86) 1046 NO_PERF_READ_VDSOX32 := 1 1047 endif 1048 ifndef NO_PERF_READ_VDSOX32 1049 $(call feature_check,compile-x32) 1050 ifeq ($(feature-compile-x32), 1) 1051 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1052 else 1053 NO_PERF_READ_VDSOX32 := 1 1054 endif 1055 endif 1056else 1057 NO_PERF_READ_VDSO32 := 1 1058 NO_PERF_READ_VDSOX32 := 1 1059endif 1060 1061ifndef NO_LIBBABELTRACE 1062 $(call feature_check,libbabeltrace) 1063 ifeq ($(feature-libbabeltrace), 1) 1064 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS) 1065 LDFLAGS += $(LIBBABELTRACE_LDFLAGS) 1066 EXTLIBS += -lbabeltrace-ctf 1067 $(call detected,CONFIG_LIBBABELTRACE) 1068 else 1069 $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev) 1070 endif 1071endif 1072 1073ifndef NO_CAPSTONE 1074 $(call feature_check,libcapstone) 1075 ifeq ($(feature-libcapstone), 1) 1076 CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LIBCAPSTONE_CFLAGS) 1077 ifdef LIBCAPSTONE_DLOPEN 1078 CFLAGS += -DLIBCAPSTONE_DLOPEN 1079 else 1080 LDFLAGS += $(LIBCAPSTONE_LDFLAGS) 1081 EXTLIBS += -lcapstone 1082 endif 1083 $(call detected,CONFIG_LIBCAPSTONE) 1084 else 1085 msg := $(warning No libcapstone found, disables disasm engine support for 'perf script', please install libcapstone-dev/capstone-devel); 1086 endif 1087endif 1088 1089ifdef EXTRA_TESTS 1090 $(call detected,CONFIG_EXTRA_TESTS) 1091 CFLAGS += -DHAVE_EXTRA_TESTS 1092endif 1093 1094ifndef NO_JVMTI 1095 ifneq (,$(wildcard /usr/sbin/update-java-alternatives)) 1096 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}') 1097 else 1098 ifneq (,$(wildcard /usr/sbin/alternatives)) 1099 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g') 1100 endif 1101 endif 1102 ifndef JDIR 1103 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory) 1104 NO_JVMTI := 1 1105 endif 1106endif 1107 1108ifndef NO_JVMTI 1109 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux 1110 $(call feature_check,jvmti) 1111 ifeq ($(feature-jvmti), 1) 1112 $(call detected_var,JDIR) 1113 ifndef NO_JVMTI_CMLR 1114 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti) 1115 $(call feature_check,jvmti-cmlr) 1116 ifeq ($(feature-jvmti-cmlr), 1) 1117 CFLAGS += -DHAVE_JVMTI_CMLR 1118 endif 1119 endif # NO_JVMTI_CMLR 1120 else 1121 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-latest-openjdk-devel) 1122 NO_JVMTI := 1 1123 endif 1124endif 1125 1126ifndef NO_LIBPFM4 1127 $(call feature_check,libpfm4) 1128 ifeq ($(feature-libpfm4), 1) 1129 CFLAGS += -DHAVE_LIBPFM 1130 EXTLIBS += -lpfm 1131 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 1132 $(call detected,CONFIG_LIBPFM4) 1133 else 1134 $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm-devel or libpfm4-dev) 1135 endif 1136endif 1137 1138# libtraceevent is a recommended dependency picked up from the system. 1139ifneq ($(NO_LIBTRACEEVENT),1) 1140 ifeq ($(feature-libtraceevent), 1) 1141 CFLAGS += -DHAVE_LIBTRACEEVENT $(shell $(PKG_CONFIG) --cflags libtraceevent) 1142 LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtraceevent) 1143 EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtraceevent) 1144 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent).0.0 1145 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1146 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1147 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1148 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3)) 1149 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP) 1150 $(call detected,CONFIG_LIBTRACEEVENT) 1151 else 1152 $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel and/or set LIBTRACEEVENT_DIR or build with NO_LIBTRACEEVENT=1) 1153 endif 1154endif 1155 1156ifndef NO_RUST 1157 $(call feature_check,rust) 1158 ifneq ($(feature-rust), 1) 1159 $(warning Rust is not found. Test workloads with rust are disabled.) 1160 NO_RUST := 1 1161 else 1162 NO_RUST := 0 1163 CFLAGS += -DHAVE_RUST_SUPPORT 1164 $(call detected,CONFIG_RUST_SUPPORT) 1165 endif 1166endif 1167 1168# Among the variables below, these: 1169# perfexecdir 1170# libbpf_include_dir 1171# perf_examples_dir 1172# template_dir 1173# mandir 1174# infodir 1175# htmldir 1176# ETC_PERFCONFIG (but not sysconfdir) 1177# can be specified as a relative path some/where/else; 1178# this is interpreted as relative to $(prefix) and "perf" at 1179# runtime figures out where they are based on the path to the executable. 1180# This can help installing the suite in a relocatable way. 1181 1182# Make the path relative to DESTDIR, not to prefix 1183ifndef DESTDIR 1184prefix ?= $(HOME) 1185endif 1186bindir_relative = bin 1187bindir = $(abspath $(prefix)/$(bindir_relative)) 1188includedir_relative = include 1189includedir = $(abspath $(prefix)/$(includedir_relative)) 1190mandir = share/man 1191infodir = share/info 1192perfexecdir = libexec/perf-core 1193# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance 1194libbpf_include_dir = /usr/include 1195perf_examples_dir = lib/perf/examples 1196sharedir = $(prefix)/share 1197template_dir = share/perf-core/templates 1198STRACE_GROUPS_DIR = share/perf-core/strace/groups 1199htmldir = share/doc/perf-doc 1200tipdir = share/doc/perf-tip 1201srcdir = $(srctree)/tools/perf 1202ifeq ($(prefix),/usr) 1203sysconfdir = /etc 1204ETC_PERFCONFIG = $(sysconfdir)/perfconfig 1205else 1206sysconfdir = $(prefix)/etc 1207ETC_PERFCONFIG = etc/perfconfig 1208endif 1209ifndef lib 1210ifeq ($(SRCARCH)$(IS_64_BIT), x861) 1211lib = lib64 1212else 1213lib = lib 1214endif 1215endif # lib 1216libdir = $(prefix)/$(lib) 1217 1218# Shell quote (do not use $(call) to accommodate ancient setups); 1219ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) 1220STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR)) 1221DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) 1222bindir_SQ = $(subst ','\'',$(bindir)) 1223includedir_SQ = $(subst ','\'',$(includedir)) 1224mandir_SQ = $(subst ','\'',$(mandir)) 1225infodir_SQ = $(subst ','\'',$(infodir)) 1226perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) 1227libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir)) 1228perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir)) 1229template_dir_SQ = $(subst ','\'',$(template_dir)) 1230htmldir_SQ = $(subst ','\'',$(htmldir)) 1231tipdir_SQ = $(subst ','\'',$(tipdir)) 1232prefix_SQ = $(subst ','\'',$(prefix)) 1233sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) 1234libdir_SQ = $(subst ','\'',$(libdir)) 1235srcdir_SQ = $(subst ','\'',$(srcdir)) 1236 1237ifneq ($(filter /%,$(firstword $(perfexecdir))),) 1238perfexec_instdir = $(perfexecdir) 1239perf_include_instdir = $(libbpf_include_dir) 1240perf_examples_instdir = $(perf_examples_dir) 1241STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) 1242tip_instdir = $(tipdir) 1243else 1244perfexec_instdir = $(prefix)/$(perfexecdir) 1245perf_include_instdir = $(prefix)/$(libbpf_include_dir) 1246perf_examples_instdir = $(prefix)/$(perf_examples_dir) 1247STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) 1248tip_instdir = $(prefix)/$(tipdir) 1249endif 1250perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) 1251perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir)) 1252perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir)) 1253STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) 1254tip_instdir_SQ = $(subst ','\'',$(tip_instdir)) 1255 1256export perfexec_instdir_SQ 1257 1258print_var = $(eval $(print_var_code)) $(info $(MSG)) 1259define print_var_code 1260 MSG = $(shell printf '...%40s: %s' $(1) $($(1))) 1261endef 1262 1263ifeq ($(feature_display),1) 1264 $(call feature_display_entries) 1265endif 1266 1267ifeq ($(VF),1) 1268 # Display EXTRA features which are detected manualy 1269 # from here with feature_check call and thus cannot 1270 # be partof global state output. 1271 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG))) 1272 $(call print_var,prefix) 1273 $(call print_var,bindir) 1274 $(call print_var,libdir) 1275 $(call print_var,sysconfdir) 1276 $(call print_var,LIBUNWIND_DIR) 1277 $(call print_var,LIBDW_DIR) 1278 $(call print_var,JDIR) 1279 1280 ifeq ($(dwarf-post-unwind),1) 1281 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG)) 1282 endif 1283endif 1284 1285$(info ) 1286 1287$(call detected_var,bindir_SQ) 1288$(call detected_var,PYTHON_WORD) 1289ifneq ($(OUTPUT),) 1290$(call detected_var,OUTPUT) 1291endif 1292$(call detected_var,htmldir_SQ) 1293$(call detected_var,infodir_SQ) 1294$(call detected_var,mandir_SQ) 1295$(call detected_var,ETC_PERFCONFIG_SQ) 1296$(call detected_var,STRACE_GROUPS_DIR_SQ) 1297$(call detected_var,prefix_SQ) 1298$(call detected_var,perfexecdir_SQ) 1299$(call detected_var,libbpf_include_dir_SQ) 1300$(call detected_var,perf_examples_dir_SQ) 1301$(call detected_var,tipdir_SQ) 1302$(call detected_var,srcdir_SQ) 1303$(call detected_var,LIBDIR) 1304$(call detected_var,GTK_CFLAGS) 1305$(call detected_var,PERL_EMBED_CCOPTS) 1306$(call detected_var,PYTHON_EMBED_CCOPTS) 1307ifneq ($(BISON_FILE_PREFIX_MAP),) 1308$(call detected_var,BISON_FILE_PREFIX_MAP) 1309endif 1310 1311# re-generate FEATURE-DUMP as we may have called feature_check, found out 1312# extra libraries to add to LDFLAGS of some other test and then redo those 1313# tests. 1314$(shell rm -f $(FEATURE_DUMP_FILENAME)) 1315$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) 1316