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 67CFLAGS += -I$(OUTPUT)libperf/arch/$(SRCARCH)/include/generated/uapi 68 69# Additional ARCH settings for ppc 70ifeq ($(SRCARCH),powerpc) 71 ifndef NO_LIBUNWIND 72 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64 73 endif 74endif 75 76# Additional ARCH settings for x86 77ifeq ($(SRCARCH),x86) 78 $(call detected,CONFIG_X86) 79 ifeq (${IS_64_BIT}, 1) 80 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT 81 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S 82 ifndef NO_LIBUNWIND 83 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma 84 endif 85 $(call detected,CONFIG_X86_64) 86 else 87 ifndef NO_LIBUNWIND 88 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind 89 endif 90 endif 91endif 92 93ifeq ($(SRCARCH),arm) 94 ifndef NO_LIBUNWIND 95 LIBUNWIND_LIBS = -lunwind -lunwind-arm 96 endif 97endif 98 99ifeq ($(SRCARCH),arm64) 100 ifndef NO_LIBUNWIND 101 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64 102 endif 103endif 104 105ifeq ($(SRCARCH),loongarch) 106 ifndef NO_LIBUNWIND 107 LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64 108 endif 109endif 110 111ifeq ($(ARCH),s390) 112 CFLAGS += -fPIC 113endif 114 115ifeq ($(ARCH),mips) 116 ifndef NO_LIBUNWIND 117 LIBUNWIND_LIBS = -lunwind -lunwind-mips 118 endif 119endif 120 121ifneq ($(LIBUNWIND),1) 122 NO_LIBUNWIND := 1 123endif 124 125ifeq ($(LIBUNWIND_LIBS),) 126 NO_LIBUNWIND := 1 127endif 128# 129# For linking with debug library, run like: 130# 131# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/ 132# 133 134libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code)) 135define libunwind_arch_set_flags_code 136 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include 137 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib 138endef 139 140ifdef LIBUNWIND_DIR 141 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include 142 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib 143 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64 loongarch 144 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch))) 145endif 146 147ifndef NO_LIBUNWIND 148 # Set per-feature check compilation flags 149 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS) 150 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 151 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS) 152 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 153 154 FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm 155 FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64 156 FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86 157 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64 158endif 159 160ifdef CSINCLUDES 161 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES) 162endif 163OPENCSDLIBS := -lopencsd_c_api -lopencsd 164ifeq ($(findstring -static,${LDFLAGS}),-static) 165 OPENCSDLIBS += -lstdc++ 166endif 167ifdef CSLIBS 168 LIBOPENCSD_LDFLAGS := -L$(CSLIBS) 169endif 170FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS) 171FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS) 172 173# for linking with debug library, run like: 174# make DEBUG=1 LIBDW_DIR=/opt/libdw/ 175ifdef LIBDW_DIR 176 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include 177 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib 178endif 179DWARFLIBS := -ldw 180ifeq ($(findstring -static,${LDFLAGS}),-static) 181 DWARFLIBS += -lelf -lz -llzma -lbz2 182 183 LIBDW_VERSION := $(shell $(PKG_CONFIG) --modversion libdw).0.0 184 LIBDW_VERSION_1 := $(word 1, $(subst ., ,$(LIBDW_VERSION))) 185 LIBDW_VERSION_2 := $(word 2, $(subst ., ,$(LIBDW_VERSION))) 186 187 # Elfutils merged libebl.a into libdw.a starting from version 0.177, 188 # Link libebl.a only if libdw is older than this version. 189 ifeq ($(shell test $(LIBDW_VERSION_2) -lt 177; echo $$?),0) 190 DWARFLIBS += -lebl 191 endif 192 193 # Must put -ldl after -lebl for dependency 194 DWARFLIBS += -ldl 195endif 196FEATURE_CHECK_CFLAGS-libdw := $(LIBDW_CFLAGS) 197FEATURE_CHECK_LDFLAGS-libdw := $(LIBDW_LDFLAGS) $(DWARFLIBS) 198 199# for linking with debug library, run like: 200# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/ 201ifdef LIBBABELTRACE_DIR 202 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include 203 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib 204endif 205FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS) 206FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf 207 208# for linking with debug library, run like: 209# make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/ 210ifdef LIBCAPSTONE_DIR 211 LIBCAPSTONE_CFLAGS := -I$(LIBCAPSTONE_DIR)/include 212 LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/ 213endif 214FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPSTONE_CFLAGS) 215FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPSTONE_LDFLAGS) -lcapstone 216 217ifdef LIBZSTD_DIR 218 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib 219 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib 220endif 221FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS) 222FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS) 223 224# for linking with debug library, run like: 225# make DEBUG=1 PKG_CONFIG_PATH=/opt/libtraceevent/(lib|lib64)/pkgconfig 226 227ifneq ($(NO_LIBTRACEEVENT),1) 228 ifeq ($(call get-executable,$(PKG_CONFIG)),) 229 $(error Error: $(PKG_CONFIG) needed by libtraceevent is missing on this system, please install it) 230 endif 231endif 232 233FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi 234# include ARCH specific config 235-include $(src-perf)/arch/$(SRCARCH)/Makefile 236 237include $(srctree)/tools/scripts/utilities.mak 238 239ifeq ($(call get-executable,$(FLEX)),) 240 $(error Error: $(FLEX) is missing on this system, please install it) 241endif 242 243ifeq ($(call get-executable,$(BISON)),) 244 $(error Error: $(BISON) is missing on this system, please install it) 245endif 246 247ifneq ($(OUTPUT),) 248 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1) 249 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)= 250 endif 251endif 252 253# Treat warnings as errors unless directed not to 254ifneq ($(WERROR),0) 255 CORE_CFLAGS += -Werror 256 CXXFLAGS += -Werror 257 HOSTCFLAGS += -Werror 258endif 259 260ifndef DEBUG 261 DEBUG := 0 262endif 263 264ifeq ($(DEBUG),0) 265CORE_CFLAGS += -DNDEBUG=1 266CORE_CFLAGS += -O3 267else 268 CORE_CFLAGS += -g 269 CXXFLAGS += -g 270endif 271 272ifdef PARSER_DEBUG 273 PARSER_DEBUG_BISON := -t 274 PARSER_DEBUG_FLEX := -d 275 CFLAGS += -DPARSER_DEBUG 276 $(call detected_var,PARSER_DEBUG_BISON) 277 $(call detected_var,PARSER_DEBUG_FLEX) 278endif 279 280ifdef LTO 281 CORE_CFLAGS += -flto 282 CXXFLAGS += -flto 283endif 284 285# Try different combinations to accommodate systems that only have 286# python[2][3]-config in weird combinations in the following order of 287# priority from lowest to highest: 288# * python2-config as per pep-0394. 289# * python-config 290# * python3-config 291# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't) 292# 293PYTHON_AUTO := python-config 294PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO)) 295PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO)) 296PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO)) 297 298# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user 299# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist. 300ifdef PYTHON 301 ifndef PYTHON_CONFIG 302 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config) 303 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\ 304 $(call $(error $(PYTHON)-config not found))) 305 endif 306endif 307 308# Select either auto detected python and python-config or use user supplied values if they are 309# defined. get-executable-or-default fails with an error if the first argument is supplied but 310# doesn't exist. 311override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO)) 312override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG))) 313 314grep-libs = $(filter -l%,$(1)) 315strip-libs = $(filter-out -l%,$(1)) 316 317PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG)) 318 319# Python 3.8 changed the output of `python-config --ldflags` to not include the 320# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for 321# libpython fails if that flag is not included in LDFLAGS 322ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0) 323 PYTHON_CONFIG_LDFLAGS := --ldflags --embed 324else 325 PYTHON_CONFIG_LDFLAGS := --ldflags 326endif 327 328ifdef PYTHON_CONFIG 329 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null) 330 # Update the python flags for cross compilation 331 ifdef CROSS_COMPILE 332 PYTHON_NATIVE := $(shell echo $(PYTHON_EMBED_LDOPTS) | sed 's/\(-L.*\/\)\(.*-linux-gnu\).*/\2/') 333 PYTHON_EMBED_LDOPTS := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EMBED_LDOPTS)) 334 endif 335 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS)) 336 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil 337 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null) 338 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS) 339 ifeq ($(CC_NO_CLANG), 0) 340 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS)) 341 endif 342endif 343 344FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS) 345FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS) 346 347FEATURE_CHECK_LDFLAGS-libaio = -lrt 348 349CORE_CFLAGS += -fno-omit-frame-pointer 350CORE_CFLAGS += -Wall 351CORE_CFLAGS += -Wextra 352CORE_CFLAGS += -std=gnu11 353 354CXXFLAGS += -std=gnu++17 -fno-exceptions -fno-rtti 355CXXFLAGS += -Wall 356CXXFLAGS += -Wextra 357CXXFLAGS += -fno-omit-frame-pointer 358 359HOSTCFLAGS += -Wall 360HOSTCFLAGS += -Wextra 361 362# Enforce a non-executable stack, as we may regress (again) in the future by 363# adding assembler files missing the .GNU-stack linker note. 364LDFLAGS += -Wl,-z,noexecstack 365 366EXTLIBS = -lpthread -lrt -lm -ldl 367 368ifneq ($(TCMALLOC),) 369 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free 370 EXTLIBS += -ltcmalloc 371endif 372 373ifeq ($(FEATURES_DUMP),) 374# We will display at the end of this Makefile.config, using $(call feature_display_entries), 375# as we may retry some feature detection here. 376 FEATURE_DISPLAY_DEFERRED := 1 377include $(srctree)/tools/build/Makefile.feature 378else 379include $(FEATURES_DUMP) 380endif 381 382ifeq ($(feature-stackprotector-all), 1) 383 CORE_CFLAGS += -fstack-protector-all 384endif 385 386ifeq ($(DEBUG),0) 387 ifeq ($(feature-fortify-source), 1) 388 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 389 endif 390endif 391 392INC_FLAGS += -I$(src-perf)/util/include 393INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include 394INC_FLAGS += -I$(srctree)/tools/include/ 395INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi 396INC_FLAGS += -I$(srctree)/tools/include/uapi 397INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/ 398INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/ 399 400# $(obj-perf) for generated common-cmds.h 401# $(obj-perf)/util for generated bison/flex headers 402ifneq ($(OUTPUT),) 403INC_FLAGS += -I$(obj-perf)/util 404INC_FLAGS += -I$(obj-perf) 405endif 406 407INC_FLAGS += -I$(src-perf)/util 408INC_FLAGS += -I$(src-perf) 409 410CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE 411 412CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS) 413CXXFLAGS += $(INC_FLAGS) 414 415LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS) 416 417ifeq ($(feature-pthread-attr-setaffinity-np), 1) 418 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP 419endif 420 421ifeq ($(feature-pthread-barrier), 1) 422 CFLAGS += -DHAVE_PTHREAD_BARRIER 423endif 424 425ifndef NO_BIONIC 426 $(call feature_check,bionic) 427 ifeq ($(feature-bionic), 1) 428 BIONIC := 1 429 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE 430 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE 431 EXTLIBS := $(filter-out -lrt,$(EXTLIBS)) 432 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS)) 433 endif 434endif 435 436ifeq ($(feature-eventfd), 1) 437 CFLAGS += -DHAVE_EVENTFD_SUPPORT 438endif 439 440ifeq ($(feature-gettid), 1) 441 CFLAGS += -DHAVE_GETTID 442endif 443 444ifeq ($(feature-file-handle), 1) 445 CFLAGS += -DHAVE_FILE_HANDLE 446endif 447 448ifdef NO_LIBELF 449 NO_LIBDW := 1 450 NO_LIBUNWIND := 1 451 NO_LIBBPF := 1 452 NO_JVMTI := 1 453else 454 ifeq ($(feature-libelf), 0) 455 ifeq ($(feature-glibc), 1) 456 LIBC_SUPPORT := 1 457 endif 458 ifeq ($(BIONIC),1) 459 LIBC_SUPPORT := 1 460 endif 461 ifeq ($(LIBC_SUPPORT),1) 462 $(error ERROR: No libelf found. Disables 'probe' tool, jvmti and BPF support. Please install libelf-dev, libelf-devel, elfutils-libelf-devel or build with NO_LIBELF=1.) 463 else 464 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),) 465 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0) 466 $(error No libasan found, please install libasan) 467 endif 468 endif 469 470 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),) 471 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0) 472 $(error No libubsan found, please install libubsan) 473 endif 474 endif 475 476 ifneq ($(filter s% -static%,$(LDFLAGS),),) 477 $(error No static glibc found, please install glibc-static) 478 else 479 $(error No gnu/libc-version.h found, please install glibc-dev[el]) 480 endif 481 endif 482 else 483 ifneq ($(feature-libdw), 1) 484 ifndef NO_LIBDW 485 $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.157, disables dwarf support. Please install new elfutils-devel/libdw-dev) 486 NO_LIBDW := 1 487 endif 488 endif # Dwarf support 489 endif # libelf support 490endif # NO_LIBELF 491 492ifeq ($(feature-libaio), 1) 493 ifndef NO_AIO 494 CFLAGS += -DHAVE_AIO_SUPPORT 495 endif 496endif 497 498ifeq ($(feature-scandirat), 1) 499 # Ignore having scandirat with memory sanitizer that lacks an interceptor. 500 ifeq ($(filter s% -fsanitize=memory%,$(EXTRA_CFLAGS),),) 501 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT 502 endif 503endif 504 505ifeq ($(feature-sched_getcpu), 1) 506 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT 507endif 508 509ifeq ($(feature-setns), 1) 510 CFLAGS += -DHAVE_SETNS_SUPPORT 511 $(call detected,CONFIG_SETNS) 512endif 513 514ifeq ($(feature-reallocarray), 0) 515 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 516endif 517 518ifdef CORESIGHT 519 $(call feature_check,libopencsd) 520 ifeq ($(feature-libopencsd), 1) 521 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS) 522 LDFLAGS += $(LIBOPENCSD_LDFLAGS) 523 EXTLIBS += $(OPENCSDLIBS) 524 $(call detected,CONFIG_LIBOPENCSD) 525 ifdef CSTRACE_RAW 526 CFLAGS += -DCS_DEBUG_RAW 527 ifeq (${CSTRACE_RAW}, packed) 528 CFLAGS += -DCS_RAW_PACKED 529 endif 530 endif 531 else 532 $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1) 533 endif 534endif 535 536ifndef NO_ZLIB 537 ifeq ($(feature-zlib), 1) 538 CFLAGS += -DHAVE_ZLIB_SUPPORT 539 EXTLIBS += -lz 540 $(call detected,CONFIG_ZLIB) 541 else 542 NO_ZLIB := 1 543 endif 544endif 545 546ifndef NO_LIBELF 547 CFLAGS += -DHAVE_LIBELF_SUPPORT 548 EXTLIBS += -lelf 549 $(call detected,CONFIG_LIBELF) 550 551 ifeq ($(feature-libelf-getphdrnum), 1) 552 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT 553 endif 554 555 ifeq ($(feature-libelf-gelf_getnote), 1) 556 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT 557 else 558 $(warning gelf_getnote() not found on libelf, SDT support disabled) 559 endif 560 561 ifeq ($(feature-libelf-getshdrstrndx), 1) 562 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT 563 endif 564 565 ifeq ($(feature-libelf-zstd), 1) 566 ifdef NO_LIBZSTD 567 $(error Error: libzstd is required by libelf, please do not set NO_LIBZSTD) 568 endif 569 endif 570 571 ifndef NO_LIBDEBUGINFOD 572 $(call feature_check,libdebuginfod) 573 ifeq ($(feature-libdebuginfod), 1) 574 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT 575 EXTLIBS += -ldebuginfod 576 else 577 $(warning No elfutils/debuginfod.h found, no debuginfo server support, please install libdebuginfod-dev/elfutils-debuginfod-client-devel or equivalent) 578 endif 579 endif 580 581 ifndef NO_LIBDW 582 CFLAGS += -DHAVE_LIBDW_SUPPORT $(LIBDW_CFLAGS) 583 LDFLAGS += $(LIBDW_LDFLAGS) 584 EXTLIBS += ${DWARFLIBS} 585 $(call detected,CONFIG_LIBDW) 586 endif # NO_LIBDW 587 588 ifndef NO_LIBBPF 589 ifeq ($(feature-bpf), 1) 590 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status 591 $(call feature_check,libbpf) 592 593 ifdef LIBBPF_DYNAMIC 594 ifeq ($(feature-libbpf), 1) 595 EXTLIBS += -lbpf 596 CFLAGS += -DHAVE_LIBBPF_SUPPORT 597 $(call detected,CONFIG_LIBBPF) 598 $(call detected,CONFIG_LIBBPF_DYNAMIC) 599 else 600 $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel) 601 endif 602 else 603 ifeq ($(NO_ZLIB), 1) 604 $(warning Warning: Statically building libbpf not possible as zlib is missing) 605 NO_LIBBPF := 1 606 else 607 # Libbpf will be built as a static library from tools/lib/bpf. 608 LIBBPF_STATIC := 1 609 $(call detected,CONFIG_LIBBPF) 610 CFLAGS += -DHAVE_LIBBPF_SUPPORT 611 LIBBPF_INCLUDE = $(LIBBPF_DIR)/.. 612 endif 613 endif 614 endif 615 endif # NO_LIBBPF 616endif # NO_LIBELF 617 618ifndef NO_SDT 619 ifneq ($(feature-sdt), 1) 620 $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev) 621 NO_SDT := 1; 622 else 623 CFLAGS += -DHAVE_SDT_EVENT 624 $(call detected,CONFIG_SDT_EVENT) 625 endif 626endif 627 628ifdef PERF_HAVE_JITDUMP 629 ifndef NO_LIBELF 630 $(call detected,CONFIG_JITDUMP) 631 CFLAGS += -DHAVE_JITDUMP 632 endif 633endif 634 635ifeq ($(SRCARCH),powerpc) 636 ifndef NO_LIBDW 637 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX 638 endif 639endif 640 641ifndef NO_LIBUNWIND 642 have_libunwind := 643 644 $(call feature_check,libunwind) 645 646 $(call feature_check,libunwind-x86) 647 ifeq ($(feature-libunwind-x86), 1) 648 $(call detected,CONFIG_LIBUNWIND_X86) 649 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT 650 LDFLAGS += -lunwind-x86 651 EXTLIBS_LIBUNWIND += -lunwind-x86 652 have_libunwind = 1 653 endif 654 655 $(call feature_check,libunwind-aarch64) 656 ifeq ($(feature-libunwind-aarch64), 1) 657 $(call detected,CONFIG_LIBUNWIND_AARCH64) 658 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT 659 LDFLAGS += -lunwind-aarch64 660 EXTLIBS_LIBUNWIND += -lunwind-aarch64 661 have_libunwind = 1 662 $(call feature_check,libunwind-debug-frame-aarch64) 663 ifneq ($(feature-libunwind-debug-frame-aarch64), 1) 664 $(warning No debug_frame support found in libunwind-aarch64) 665 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64 666 endif 667 endif 668 669 ifneq ($(feature-libunwind), 1) 670 $(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) 671 NO_LOCAL_LIBUNWIND := 1 672 else 673 have_libunwind := 1 674 $(call detected,CONFIG_LOCAL_LIBUNWIND) 675 endif 676 677 ifneq ($(have_libunwind), 1) 678 NO_LIBUNWIND := 1 679 endif 680else 681 NO_LOCAL_LIBUNWIND := 1 682endif 683 684ifndef NO_LIBBPF 685 ifneq ($(feature-bpf), 1) 686 $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) 687 NO_LIBBPF := 1 688 endif 689endif 690 691ifeq ($(feature-libopenssl), 1) 692 $(call detected,CONFIG_LIBOPENSSL) 693 CFLAGS += -DHAVE_LIBOPENSSL_SUPPORT 694endif 695 696ifndef BUILD_BPF_SKEL 697 # BPF skeletons control a large number of perf features, by default 698 # they are enabled. 699 BUILD_BPF_SKEL := 1 700endif 701 702ifeq ($(BUILD_BPF_SKEL),1) 703 ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),) 704 $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool) 705 BUILD_BPF_SKEL := 0 706 else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),) 707 $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool) 708 BUILD_BPF_SKEL := 0 709 else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) 710 $(warning Warning: Disabled BPF skeletons as libbpf is required) 711 BUILD_BPF_SKEL := 0 712 else ifeq ($(filter -DHAVE_LIBOPENSSL_SUPPORT, $(CFLAGS)),) 713 $(warning Warning: Disabled BPF skeletons as libopenssl is required) 714 BUILD_BPF_SKEL := 0 715 else ifeq ($(call get-executable,$(CLANG)),) 716 $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing) 717 BUILD_BPF_SKEL := 0 718 else 719 CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g') 720 ifeq ($(call version-lt3,$(CLANG_VERSION),12.0.1),1) 721 $(warning Warning: Disabled BPF skeletons as reliable BTF generation needs at least $(CLANG) version 12.0.1) 722 BUILD_BPF_SKEL := 0 723 endif 724 endif 725 ifeq ($(BUILD_BPF_SKEL),1) 726 $(call feature_check,clang-bpf-co-re) 727 ifeq ($(feature-clang-bpf-co-re), 0) 728 $(warning Warning: Disabled BPF skeletons as clang is too old) 729 BUILD_BPF_SKEL := 0 730 endif 731 endif 732 ifeq ($(BUILD_BPF_SKEL),1) 733 $(call detected,CONFIG_PERF_BPF_SKEL) 734 CFLAGS += -DHAVE_BPF_SKEL 735 endif 736endif 737 738ifndef GEN_VMLINUX_H 739 VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h 740endif 741 742dwarf-post-unwind := 1 743dwarf-post-unwind-text := BUG 744 745# setup DWARF post unwinder 746ifdef NO_LIBUNWIND 747 ifdef NO_LIBDW 748 $(warning Disabling post unwind, no support found.) 749 dwarf-post-unwind := 0 750 else 751 dwarf-post-unwind-text := libdw 752 $(call detected,CONFIG_LIBDW_DWARF_UNWIND) 753 endif 754else 755 dwarf-post-unwind-text := libunwind 756 $(call detected,CONFIG_LIBUNWIND) 757endif 758 759ifeq ($(dwarf-post-unwind),1) 760 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT 761 $(call detected,CONFIG_DWARF_UNWIND) 762endif 763 764ifndef NO_LIBUNWIND 765 ifndef NO_LOCAL_LIBUNWIND 766 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64)) 767 $(call feature_check,libunwind-debug-frame) 768 ifneq ($(feature-libunwind-debug-frame), 1) 769 $(warning No debug_frame support found in libunwind) 770 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 771 endif 772 else 773 # non-ARM has no dwarf_find_debug_frame() function: 774 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 775 endif 776 EXTLIBS += $(LIBUNWIND_LIBS) 777 LDFLAGS += $(LIBUNWIND_LIBS) 778 endif 779 ifeq ($(findstring -static,${LDFLAGS}),-static) 780 # gcc -static links libgcc_eh which contans piece of libunwind 781 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition 782 endif 783 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT 784 CFLAGS += $(LIBUNWIND_CFLAGS) 785 LDFLAGS += $(LIBUNWIND_LDFLAGS) 786 EXTLIBS += $(EXTLIBS_LIBUNWIND) 787endif 788 789ifneq ($(NO_LIBTRACEEVENT),1) 790 $(call detected,CONFIG_TRACE) 791endif 792 793ifndef NO_SLANG 794 ifneq ($(feature-libslang), 1) 795 $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev) 796 NO_SLANG := 1 797 endif 798 ifndef NO_SLANG 799 CFLAGS += -DHAVE_SLANG_SUPPORT 800 EXTLIBS += -lslang 801 $(call detected,CONFIG_SLANG) 802 endif 803endif 804 805ifdef GTK2 806 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) 807 $(call feature_check,gtk2) 808 ifneq ($(feature-gtk2), 1) 809 $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev) 810 NO_GTK2 := 1 811 else 812 $(call feature_check,gtk2-infobar) 813 ifeq ($(feature-gtk2-infobar), 1) 814 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT 815 endif 816 CFLAGS += -DHAVE_GTK2_SUPPORT 817 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) 818 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) 819 EXTLIBS += -ldl 820 endif 821endif 822 823ifdef LIBPERL 824 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) 825 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) 826 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) 827 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) 828 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) 829 PERL_EMBED_CCOPTS := $(filter-out -flto% -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) 830 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 831 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) 832 833 $(call feature_check,libperl) 834 ifneq ($(feature-libperl), 1) 835 $(error Missing perl devel files. Please install perl-ExtUtils-Embed/libperl-dev) 836 else 837 LDFLAGS += $(PERL_EMBED_LDFLAGS) 838 EXTLIBS += $(PERL_EMBED_LIBADD) 839 CFLAGS += -DHAVE_LIBPERL_SUPPORT 840 $(call detected,CONFIG_LIBPERL) 841 endif 842endif 843 844ifeq ($(feature-timerfd), 1) 845 CFLAGS += -DHAVE_TIMERFD_SUPPORT 846else 847 $(warning No timerfd support. Disables 'perf kvm stat live') 848endif 849 850disable-python = $(eval $(disable-python_code)) 851define disable-python_code 852 CFLAGS += -DNO_LIBPYTHON 853 $(warning $1) 854 NO_LIBPYTHON := 1 855endef 856 857PYTHON_EXTENSION_SUFFIX := '.so' 858ifdef NO_LIBPYTHON 859 $(call disable-python,Python support disabled by user) 860else 861 862 ifndef PYTHON 863 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev) 864 else 865 PYTHON_WORD := $(call shell-wordify,$(PYTHON)) 866 867 ifndef PYTHON_CONFIG 868 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) 869 else 870 871 ifneq ($(feature-libpython), 1) 872 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev) 873 else 874 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 875 EXTLIBS += $(PYTHON_EMBED_LIBADD) 876 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no") 877 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes) 878 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])') 879 ifdef CROSS_COMPILE 880 PYTHON_EXTENSION_SUFFIX := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EXTENSION_SUFFIX)) 881 endif 882 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX) 883 else 884 $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent) 885 endif 886 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT 887 $(call detected,CONFIG_LIBPYTHON) 888 ifeq ($(filter -fPIC,$(CFLAGS)),) 889 # Building a shared library requires position independent code. 890 CFLAGS += -fPIC 891 CXXFLAGS += -fPIC 892 endif 893 endif 894 endif 895 endif 896endif 897 898ifneq ($(NO_JEVENTS),1) 899 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),) 900 NO_JEVENTS := 1 901 endif 902endif 903ifneq ($(NO_JEVENTS),1) 904 NO_JEVENTS := 0 905 ifndef PYTHON 906 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.) 907 else 908 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016. 909 JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null) 910 ifneq ($(JEVENTS_PYTHON_GOOD), 1) 911 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.) 912 endif 913 endif 914endif 915 916ifdef BUILD_NONDISTRO 917 # call all detections now so we get correct status in VF output 918 $(call feature_check,libbfd) 919 $(call feature_check,disassembler-four-args) 920 $(call feature_check,disassembler-init-styled) 921 $(call feature_check,libbfd-threadsafe) 922 $(call feature_check,libbfd-liberty) 923 $(call feature_check,libbfd-liberty-z) 924 925 ifneq ($(feature-libbfd-threadsafe), 1) 926 $(error binutils 2.42 or later is required for non-distro builds) 927 endif 928 929 # we may be on a system that requires -liberty and (maybe) -lz 930 # to link against -lbfd; test each case individually here 931 ifeq ($(feature-libbfd), 1) 932 EXTLIBS += -lbfd -lopcodes 933 else ifeq ($(feature-libbfd-liberty), 1) 934 EXTLIBS += -lbfd -lopcodes -liberty 935 else ifeq ($(feature-libbfd-liberty-z), 1) 936 EXTLIBS += -lbfd -lopcodes -liberty -lz 937 endif 938 939 CFLAGS += -DHAVE_LIBBFD_SUPPORT 940 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT 941 $(call detected,CONFIG_LIBBFD) 942 943 ifeq ($(feature-disassembler-four-args), 1) 944 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 945 endif 946 947 ifeq ($(feature-disassembler-init-styled), 1) 948 CFLAGS += -DDISASM_INIT_STYLED 949 endif 950endif 951 952ifndef NO_LIBLLVM 953 $(call feature_check,llvm-perf) 954 ifeq ($(feature-llvm-perf), 1) 955 CFLAGS += -DHAVE_LIBLLVM_SUPPORT 956 CFLAGS += $(shell $(LLVM_CONFIG) --cflags) 957 CXXFLAGS += -DHAVE_LIBLLVM_SUPPORT 958 CXXFLAGS += $(shell $(LLVM_CONFIG) --cxxflags) 959 LIBLLVM = $(shell $(LLVM_CONFIG) --libs all) $(shell $(LLVM_CONFIG) --system-libs) 960 EXTLIBS += -L$(shell $(LLVM_CONFIG) --libdir) $(LIBLLVM) 961 EXTLIBS += -lstdc++ 962 $(call detected,CONFIG_LIBLLVM) 963 else 964 $(warning No libllvm 13+ found, slower source file resolution, please install llvm-devel/llvm-dev) 965 NO_LIBLLVM := 1 966 endif 967endif 968 969ifndef NO_DEMANGLE 970 $(call feature_check,cxa-demangle) 971 ifeq ($(feature-cxa-demangle), 1) 972 EXTLIBS += -lstdc++ 973 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 974 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 975 $(call detected,CONFIG_CXX_DEMANGLE) 976 endif 977 ifdef BUILD_NONDISTRO 978 ifeq ($(filter -liberty,$(EXTLIBS)),) 979 $(call feature_check,cplus-demangle) 980 ifeq ($(feature-cplus-demangle), 1) 981 EXTLIBS += -liberty 982 endif 983 endif 984 ifneq ($(filter -liberty,$(EXTLIBS)),) 985 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 986 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 987 endif 988 endif 989endif 990 991ifndef NO_LZMA 992 ifeq ($(feature-lzma), 1) 993 CFLAGS += -DHAVE_LZMA_SUPPORT 994 EXTLIBS += -llzma 995 $(call detected,CONFIG_LZMA) 996 else 997 $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev) 998 NO_LZMA := 1 999 endif 1000endif 1001 1002ifndef NO_LIBZSTD 1003 ifeq ($(feature-libzstd), 1) 1004 CFLAGS += -DHAVE_ZSTD_SUPPORT 1005 CFLAGS += $(LIBZSTD_CFLAGS) 1006 LDFLAGS += $(LIBZSTD_LDFLAGS) 1007 EXTLIBS += -lzstd 1008 $(call detected,CONFIG_ZSTD) 1009 else 1010 $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR) 1011 NO_LIBZSTD := 1 1012 endif 1013endif 1014 1015ifndef NO_BACKTRACE 1016 ifeq ($(feature-backtrace), 1) 1017 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 1018 endif 1019endif 1020 1021ifndef NO_LIBNUMA 1022 ifeq ($(feature-libnuma), 0) 1023 $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev) 1024 NO_LIBNUMA := 1 1025 else 1026 ifeq ($(feature-numa_num_possible_cpus), 0) 1027 $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8) 1028 NO_LIBNUMA := 1 1029 else 1030 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 1031 EXTLIBS += -lnuma 1032 $(call detected,CONFIG_NUMA) 1033 endif 1034 endif 1035endif 1036 1037ifdef HAVE_KVM_STAT_SUPPORT 1038 CFLAGS += -DHAVE_KVM_STAT_SUPPORT 1039endif 1040 1041ifeq (${IS_64_BIT}, 1) 1042 ifndef NO_PERF_READ_VDSO32 1043 $(call feature_check,compile-32) 1044 ifeq ($(feature-compile-32), 1) 1045 CFLAGS += -DHAVE_PERF_READ_VDSO32 1046 else 1047 NO_PERF_READ_VDSO32 := 1 1048 endif 1049 endif 1050 ifneq ($(SRCARCH), x86) 1051 NO_PERF_READ_VDSOX32 := 1 1052 endif 1053 ifndef NO_PERF_READ_VDSOX32 1054 $(call feature_check,compile-x32) 1055 ifeq ($(feature-compile-x32), 1) 1056 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1057 else 1058 NO_PERF_READ_VDSOX32 := 1 1059 endif 1060 endif 1061else 1062 NO_PERF_READ_VDSO32 := 1 1063 NO_PERF_READ_VDSOX32 := 1 1064endif 1065 1066ifndef NO_LIBBABELTRACE 1067 $(call feature_check,libbabeltrace) 1068 ifeq ($(feature-libbabeltrace), 1) 1069 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS) 1070 LDFLAGS += $(LIBBABELTRACE_LDFLAGS) 1071 EXTLIBS += -lbabeltrace-ctf 1072 $(call detected,CONFIG_LIBBABELTRACE) 1073 else 1074 $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev) 1075 endif 1076endif 1077 1078ifndef NO_CAPSTONE 1079 $(call feature_check,libcapstone) 1080 ifeq ($(feature-libcapstone), 1) 1081 CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LIBCAPSTONE_CFLAGS) 1082 LDFLAGS += $(LICAPSTONE_LDFLAGS) 1083 EXTLIBS += -lcapstone 1084 $(call detected,CONFIG_LIBCAPSTONE) 1085 else 1086 msg := $(warning No libcapstone found, disables disasm engine support for 'perf script', please install libcapstone-dev/capstone-devel); 1087 endif 1088endif 1089 1090ifdef EXTRA_TESTS 1091 $(call detected,CONFIG_EXTRA_TESTS) 1092 CFLAGS += -DHAVE_EXTRA_TESTS 1093endif 1094 1095ifndef NO_JVMTI 1096 ifneq (,$(wildcard /usr/sbin/update-java-alternatives)) 1097 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}') 1098 else 1099 ifneq (,$(wildcard /usr/sbin/alternatives)) 1100 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g') 1101 endif 1102 endif 1103 ifndef JDIR 1104 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory) 1105 NO_JVMTI := 1 1106 endif 1107endif 1108 1109ifndef NO_JVMTI 1110 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux 1111 $(call feature_check,jvmti) 1112 ifeq ($(feature-jvmti), 1) 1113 $(call detected_var,JDIR) 1114 ifndef NO_JVMTI_CMLR 1115 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti) 1116 $(call feature_check,jvmti-cmlr) 1117 ifeq ($(feature-jvmti-cmlr), 1) 1118 CFLAGS += -DHAVE_JVMTI_CMLR 1119 endif 1120 endif # NO_JVMTI_CMLR 1121 else 1122 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-latest-openjdk-devel) 1123 NO_JVMTI := 1 1124 endif 1125endif 1126 1127ifndef NO_LIBPFM4 1128 $(call feature_check,libpfm4) 1129 ifeq ($(feature-libpfm4), 1) 1130 CFLAGS += -DHAVE_LIBPFM 1131 EXTLIBS += -lpfm 1132 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 1133 $(call detected,CONFIG_LIBPFM4) 1134 else 1135 $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm-devel or libpfm4-dev) 1136 endif 1137endif 1138 1139# libtraceevent is a recommended dependency picked up from the system. 1140ifneq ($(NO_LIBTRACEEVENT),1) 1141 ifeq ($(feature-libtraceevent), 1) 1142 CFLAGS += -DHAVE_LIBTRACEEVENT $(shell $(PKG_CONFIG) --cflags libtraceevent) 1143 LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtraceevent) 1144 EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtraceevent) 1145 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent).0.0 1146 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1147 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1148 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1149 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3)) 1150 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP) 1151 $(call detected,CONFIG_LIBTRACEEVENT) 1152 else 1153 $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel and/or set LIBTRACEEVENT_DIR or build with NO_LIBTRACEEVENT=1) 1154 endif 1155endif 1156 1157# Among the variables below, these: 1158# perfexecdir 1159# libbpf_include_dir 1160# perf_examples_dir 1161# template_dir 1162# mandir 1163# infodir 1164# htmldir 1165# ETC_PERFCONFIG (but not sysconfdir) 1166# can be specified as a relative path some/where/else; 1167# this is interpreted as relative to $(prefix) and "perf" at 1168# runtime figures out where they are based on the path to the executable. 1169# This can help installing the suite in a relocatable way. 1170 1171# Make the path relative to DESTDIR, not to prefix 1172ifndef DESTDIR 1173prefix ?= $(HOME) 1174endif 1175bindir_relative = bin 1176bindir = $(abspath $(prefix)/$(bindir_relative)) 1177includedir_relative = include 1178includedir = $(abspath $(prefix)/$(includedir_relative)) 1179mandir = share/man 1180infodir = share/info 1181perfexecdir = libexec/perf-core 1182# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance 1183libbpf_include_dir = /usr/include 1184perf_examples_dir = lib/perf/examples 1185sharedir = $(prefix)/share 1186template_dir = share/perf-core/templates 1187STRACE_GROUPS_DIR = share/perf-core/strace/groups 1188htmldir = share/doc/perf-doc 1189tipdir = share/doc/perf-tip 1190srcdir = $(srctree)/tools/perf 1191ifeq ($(prefix),/usr) 1192sysconfdir = /etc 1193ETC_PERFCONFIG = $(sysconfdir)/perfconfig 1194else 1195sysconfdir = $(prefix)/etc 1196ETC_PERFCONFIG = etc/perfconfig 1197endif 1198ifndef lib 1199ifeq ($(SRCARCH)$(IS_64_BIT), x861) 1200lib = lib64 1201else 1202lib = lib 1203endif 1204endif # lib 1205libdir = $(prefix)/$(lib) 1206 1207# Shell quote (do not use $(call) to accommodate ancient setups); 1208ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) 1209STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR)) 1210DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) 1211bindir_SQ = $(subst ','\'',$(bindir)) 1212includedir_SQ = $(subst ','\'',$(includedir)) 1213mandir_SQ = $(subst ','\'',$(mandir)) 1214infodir_SQ = $(subst ','\'',$(infodir)) 1215perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) 1216libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir)) 1217perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir)) 1218template_dir_SQ = $(subst ','\'',$(template_dir)) 1219htmldir_SQ = $(subst ','\'',$(htmldir)) 1220tipdir_SQ = $(subst ','\'',$(tipdir)) 1221prefix_SQ = $(subst ','\'',$(prefix)) 1222sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) 1223libdir_SQ = $(subst ','\'',$(libdir)) 1224srcdir_SQ = $(subst ','\'',$(srcdir)) 1225 1226ifneq ($(filter /%,$(firstword $(perfexecdir))),) 1227perfexec_instdir = $(perfexecdir) 1228perf_include_instdir = $(libbpf_include_dir) 1229perf_examples_instdir = $(perf_examples_dir) 1230STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) 1231tip_instdir = $(tipdir) 1232else 1233perfexec_instdir = $(prefix)/$(perfexecdir) 1234perf_include_instdir = $(prefix)/$(libbpf_include_dir) 1235perf_examples_instdir = $(prefix)/$(perf_examples_dir) 1236STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) 1237tip_instdir = $(prefix)/$(tipdir) 1238endif 1239perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) 1240perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir)) 1241perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir)) 1242STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) 1243tip_instdir_SQ = $(subst ','\'',$(tip_instdir)) 1244 1245export perfexec_instdir_SQ 1246 1247print_var = $(eval $(print_var_code)) $(info $(MSG)) 1248define print_var_code 1249 MSG = $(shell printf '...%40s: %s' $(1) $($(1))) 1250endef 1251 1252ifeq ($(feature_display),1) 1253 $(call feature_display_entries) 1254endif 1255 1256ifeq ($(VF),1) 1257 # Display EXTRA features which are detected manualy 1258 # from here with feature_check call and thus cannot 1259 # be partof global state output. 1260 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG))) 1261 $(call print_var,prefix) 1262 $(call print_var,bindir) 1263 $(call print_var,libdir) 1264 $(call print_var,sysconfdir) 1265 $(call print_var,LIBUNWIND_DIR) 1266 $(call print_var,LIBDW_DIR) 1267 $(call print_var,JDIR) 1268 1269 ifeq ($(dwarf-post-unwind),1) 1270 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG)) 1271 endif 1272endif 1273 1274$(info ) 1275 1276$(call detected_var,bindir_SQ) 1277$(call detected_var,PYTHON_WORD) 1278ifneq ($(OUTPUT),) 1279$(call detected_var,OUTPUT) 1280endif 1281$(call detected_var,htmldir_SQ) 1282$(call detected_var,infodir_SQ) 1283$(call detected_var,mandir_SQ) 1284$(call detected_var,ETC_PERFCONFIG_SQ) 1285$(call detected_var,STRACE_GROUPS_DIR_SQ) 1286$(call detected_var,prefix_SQ) 1287$(call detected_var,perfexecdir_SQ) 1288$(call detected_var,libbpf_include_dir_SQ) 1289$(call detected_var,perf_examples_dir_SQ) 1290$(call detected_var,tipdir_SQ) 1291$(call detected_var,srcdir_SQ) 1292$(call detected_var,LIBDIR) 1293$(call detected_var,GTK_CFLAGS) 1294$(call detected_var,PERL_EMBED_CCOPTS) 1295$(call detected_var,PYTHON_EMBED_CCOPTS) 1296ifneq ($(BISON_FILE_PREFIX_MAP),) 1297$(call detected_var,BISON_FILE_PREFIX_MAP) 1298endif 1299 1300# re-generate FEATURE-DUMP as we may have called feature_check, found out 1301# extra libraries to add to LDFLAGS of some other test and then redo those 1302# tests. 1303$(shell rm -f $(FEATURE_DUMP_FILENAME)) 1304$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) 1305