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) $(DWARFLIBS) 186 187# for linking with debug library, run like: 188# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/ 189ifdef LIBBABELTRACE_DIR 190 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include 191 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib 192endif 193FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS) 194FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf 195 196# for linking with debug library, run like: 197# make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/ 198ifdef LIBCAPSTONE_DIR 199 LIBCAPSTONE_CFLAGS := -I$(LIBCAPSTONE_DIR)/include 200 LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/ 201endif 202FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPSTONE_CFLAGS) 203FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPSTONE_LDFLAGS) -lcapstone 204 205ifdef LIBZSTD_DIR 206 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib 207 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib 208endif 209FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS) 210FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS) 211 212# for linking with debug library, run like: 213# make DEBUG=1 PKG_CONFIG_PATH=/opt/libtraceevent/(lib|lib64)/pkgconfig 214 215ifneq ($(NO_LIBTRACEEVENT),1) 216 ifeq ($(call get-executable,$(PKG_CONFIG)),) 217 $(error Error: $(PKG_CONFIG) needed by libtraceevent is missing on this system, please install it) 218 endif 219endif 220 221FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi 222# include ARCH specific config 223-include $(src-perf)/arch/$(SRCARCH)/Makefile 224 225include $(srctree)/tools/scripts/utilities.mak 226 227ifeq ($(call get-executable,$(FLEX)),) 228 $(error Error: $(FLEX) is missing on this system, please install it) 229endif 230 231ifeq ($(call get-executable,$(BISON)),) 232 $(error Error: $(BISON) is missing on this system, please install it) 233endif 234 235ifneq ($(OUTPUT),) 236 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1) 237 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)= 238 endif 239endif 240 241# Treat warnings as errors unless directed not to 242ifneq ($(WERROR),0) 243 CORE_CFLAGS += -Werror 244 CXXFLAGS += -Werror 245 HOSTCFLAGS += -Werror 246endif 247 248ifndef DEBUG 249 DEBUG := 0 250endif 251 252ifeq ($(DEBUG),0) 253CORE_CFLAGS += -DNDEBUG=1 254CORE_CFLAGS += -O3 255else 256 CORE_CFLAGS += -g 257 CXXFLAGS += -g 258endif 259 260ifdef PARSER_DEBUG 261 PARSER_DEBUG_BISON := -t 262 PARSER_DEBUG_FLEX := -d 263 CFLAGS += -DPARSER_DEBUG 264 $(call detected_var,PARSER_DEBUG_BISON) 265 $(call detected_var,PARSER_DEBUG_FLEX) 266endif 267 268ifdef LTO 269 CORE_CFLAGS += -flto 270 CXXFLAGS += -flto 271endif 272 273# Try different combinations to accommodate systems that only have 274# python[2][3]-config in weird combinations in the following order of 275# priority from lowest to highest: 276# * python2-config as per pep-0394. 277# * python-config 278# * python3-config 279# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't) 280# 281PYTHON_AUTO := python-config 282PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO)) 283PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO)) 284PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO)) 285 286# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user 287# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist. 288ifdef PYTHON 289 ifndef PYTHON_CONFIG 290 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config) 291 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\ 292 $(call $(error $(PYTHON)-config not found))) 293 endif 294endif 295 296# Select either auto detected python and python-config or use user supplied values if they are 297# defined. get-executable-or-default fails with an error if the first argument is supplied but 298# doesn't exist. 299override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO)) 300override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG))) 301 302grep-libs = $(filter -l%,$(1)) 303strip-libs = $(filter-out -l%,$(1)) 304 305PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG)) 306 307# Python 3.8 changed the output of `python-config --ldflags` to not include the 308# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for 309# libpython fails if that flag is not included in LDFLAGS 310ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0) 311 PYTHON_CONFIG_LDFLAGS := --ldflags --embed 312else 313 PYTHON_CONFIG_LDFLAGS := --ldflags 314endif 315 316ifdef PYTHON_CONFIG 317 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null) 318 # Update the python flags for cross compilation 319 ifdef CROSS_COMPILE 320 PYTHON_NATIVE := $(shell echo $(PYTHON_EMBED_LDOPTS) | sed 's/\(-L.*\/\)\(.*-linux-gnu\).*/\2/') 321 PYTHON_EMBED_LDOPTS := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EMBED_LDOPTS)) 322 endif 323 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS)) 324 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil 325 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null) 326 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS) 327 ifeq ($(CC_NO_CLANG), 0) 328 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS)) 329 endif 330endif 331 332FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS) 333FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS) 334 335FEATURE_CHECK_LDFLAGS-libaio = -lrt 336 337CORE_CFLAGS += -fno-omit-frame-pointer 338CORE_CFLAGS += -Wall 339CORE_CFLAGS += -Wextra 340CORE_CFLAGS += -std=gnu11 341CORE_CFLAGS += -funsigned-char 342 343CXXFLAGS += -std=gnu++17 -fno-exceptions -fno-rtti 344CXXFLAGS += -Wall 345CXXFLAGS += -Wextra 346CXXFLAGS += -fno-omit-frame-pointer 347 348HOSTCFLAGS += -Wall 349HOSTCFLAGS += -Wextra 350 351# Enforce a non-executable stack, as we may regress (again) in the future by 352# adding assembler files missing the .GNU-stack linker note. 353LDFLAGS += -Wl,-z,noexecstack 354 355EXTLIBS = -lpthread -lrt -lm -ldl 356 357ifneq ($(TCMALLOC),) 358 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free 359 EXTLIBS += -ltcmalloc 360endif 361 362ifeq ($(FEATURES_DUMP),) 363# We will display at the end of this Makefile.config, using $(call feature_display_entries), 364# as we may retry some feature detection here. 365 FEATURE_DISPLAY_DEFERRED := 1 366include $(srctree)/tools/build/Makefile.feature 367else 368include $(FEATURES_DUMP) 369endif 370 371ifeq ($(feature-stackprotector-all), 1) 372 CORE_CFLAGS += -fstack-protector-all 373endif 374 375ifeq ($(DEBUG),0) 376 ifeq ($(feature-fortify-source), 1) 377 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 378 endif 379endif 380 381INC_FLAGS += -I$(src-perf)/util/include 382INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include 383INC_FLAGS += -I$(srctree)/tools/include/ 384INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi 385INC_FLAGS += -I$(srctree)/tools/include/uapi 386INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/ 387INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/ 388 389# $(obj-perf) for generated common-cmds.h 390# $(obj-perf)/util for generated bison/flex headers 391ifneq ($(OUTPUT),) 392INC_FLAGS += -I$(obj-perf)/util 393INC_FLAGS += -I$(obj-perf) 394endif 395 396INC_FLAGS += -I$(src-perf)/util 397INC_FLAGS += -I$(src-perf) 398 399CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE 400 401CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS) 402CXXFLAGS += $(INC_FLAGS) 403 404LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS) 405 406ifeq ($(feature-pthread-attr-setaffinity-np), 1) 407 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP 408endif 409 410ifeq ($(feature-pthread-barrier), 1) 411 CFLAGS += -DHAVE_PTHREAD_BARRIER 412endif 413 414ifndef NO_BIONIC 415 $(call feature_check,bionic) 416 ifeq ($(feature-bionic), 1) 417 BIONIC := 1 418 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE 419 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE 420 EXTLIBS := $(filter-out -lrt,$(EXTLIBS)) 421 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS)) 422 endif 423endif 424 425ifeq ($(feature-eventfd), 1) 426 CFLAGS += -DHAVE_EVENTFD_SUPPORT 427endif 428 429ifeq ($(feature-gettid), 1) 430 CFLAGS += -DHAVE_GETTID 431endif 432 433ifeq ($(feature-file-handle), 1) 434 CFLAGS += -DHAVE_FILE_HANDLE 435endif 436 437ifdef NO_LIBELF 438 NO_LIBDW := 1 439 NO_LIBUNWIND := 1 440 NO_LIBBPF := 1 441 NO_JVMTI := 1 442else 443 ifeq ($(feature-libelf), 0) 444 ifeq ($(feature-glibc), 1) 445 LIBC_SUPPORT := 1 446 endif 447 ifeq ($(BIONIC),1) 448 LIBC_SUPPORT := 1 449 endif 450 ifeq ($(LIBC_SUPPORT),1) 451 $(error ERROR: No libelf found. Disables 'probe' tool, jvmti and BPF support. Please install libelf-dev, libelf-devel, elfutils-libelf-devel or build with NO_LIBELF=1.) 452 else 453 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),) 454 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0) 455 $(error No libasan found, please install libasan) 456 endif 457 endif 458 459 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),) 460 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0) 461 $(error No libubsan found, please install libubsan) 462 endif 463 endif 464 465 ifneq ($(filter s% -static%,$(LDFLAGS),),) 466 $(error No static glibc found, please install glibc-static) 467 else 468 $(error No gnu/libc-version.h found, please install glibc-dev[el]) 469 endif 470 endif 471 else 472 ifneq ($(feature-libdw), 1) 473 ifndef NO_LIBDW 474 $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.157, disables dwarf support. Please install new elfutils-devel/libdw-dev) 475 NO_LIBDW := 1 476 endif 477 endif # Dwarf support 478 endif # libelf support 479endif # NO_LIBELF 480 481ifeq ($(feature-libaio), 1) 482 ifndef NO_AIO 483 CFLAGS += -DHAVE_AIO_SUPPORT 484 endif 485endif 486 487ifeq ($(feature-scandirat), 1) 488 # Ignore having scandirat with memory sanitizer that lacks an interceptor. 489 ifeq ($(filter s% -fsanitize=memory%,$(EXTRA_CFLAGS),),) 490 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT 491 endif 492endif 493 494ifeq ($(feature-sched_getcpu), 1) 495 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT 496endif 497 498ifeq ($(feature-setns), 1) 499 CFLAGS += -DHAVE_SETNS_SUPPORT 500 $(call detected,CONFIG_SETNS) 501endif 502 503ifeq ($(feature-reallocarray), 0) 504 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 505endif 506 507ifdef CORESIGHT 508 $(call feature_check,libopencsd) 509 ifeq ($(feature-libopencsd), 1) 510 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS) 511 LDFLAGS += $(LIBOPENCSD_LDFLAGS) 512 EXTLIBS += $(OPENCSDLIBS) 513 $(call detected,CONFIG_LIBOPENCSD) 514 ifdef CSTRACE_RAW 515 CFLAGS += -DCS_DEBUG_RAW 516 ifeq (${CSTRACE_RAW}, packed) 517 CFLAGS += -DCS_RAW_PACKED 518 endif 519 endif 520 else 521 $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1) 522 endif 523endif 524 525ifndef NO_ZLIB 526 ifeq ($(feature-zlib), 1) 527 CFLAGS += -DHAVE_ZLIB_SUPPORT 528 EXTLIBS += -lz 529 $(call detected,CONFIG_ZLIB) 530 else 531 NO_ZLIB := 1 532 endif 533endif 534 535ifndef NO_LIBELF 536 CFLAGS += -DHAVE_LIBELF_SUPPORT 537 EXTLIBS += -lelf 538 $(call detected,CONFIG_LIBELF) 539 540 ifeq ($(feature-libelf-getphdrnum), 1) 541 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT 542 endif 543 544 ifeq ($(feature-libelf-gelf_getnote), 1) 545 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT 546 else 547 $(warning gelf_getnote() not found on libelf, SDT support disabled) 548 endif 549 550 ifeq ($(feature-libelf-getshdrstrndx), 1) 551 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT 552 endif 553 554 ifeq ($(feature-libelf-zstd), 1) 555 ifdef NO_LIBZSTD 556 $(error Error: libzstd is required by libelf, please do not set NO_LIBZSTD) 557 endif 558 endif 559 560 ifndef NO_LIBDEBUGINFOD 561 $(call feature_check,libdebuginfod) 562 ifeq ($(feature-libdebuginfod), 1) 563 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT 564 EXTLIBS += -ldebuginfod 565 else 566 $(warning No elfutils/debuginfod.h found, no debuginfo server support, please install libdebuginfod-dev/elfutils-debuginfod-client-devel or equivalent) 567 endif 568 endif 569 570 ifndef NO_LIBDW 571 CFLAGS += -DHAVE_LIBDW_SUPPORT $(LIBDW_CFLAGS) 572 LDFLAGS += $(LIBDW_LDFLAGS) 573 EXTLIBS += ${DWARFLIBS} 574 $(call detected,CONFIG_LIBDW) 575 endif # NO_LIBDW 576 577 ifndef NO_LIBBPF 578 ifeq ($(feature-bpf), 1) 579 ifdef LIBBPF_DYNAMIC 580 $(call feature_check,libbpf) 581 ifeq ($(feature-libbpf), 1) 582 EXTLIBS += -lbpf 583 CFLAGS += -DHAVE_LIBBPF_SUPPORT 584 $(call detected,CONFIG_LIBBPF) 585 $(call detected,CONFIG_LIBBPF_DYNAMIC) 586 else 587 $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel) 588 endif 589 else 590 ifeq ($(NO_ZLIB), 1) 591 $(warning Warning: Statically building libbpf not possible as zlib is missing) 592 NO_LIBBPF := 1 593 else 594 # Libbpf will be built as a static library from tools/lib/bpf. 595 LIBBPF_STATIC := 1 596 $(call detected,CONFIG_LIBBPF) 597 CFLAGS += -DHAVE_LIBBPF_SUPPORT 598 LIBBPF_INCLUDE = $(LIBBPF_DIR)/.. 599 endif 600 endif 601 endif 602 endif # NO_LIBBPF 603endif # NO_LIBELF 604 605ifndef NO_SDT 606 ifneq ($(feature-sdt), 1) 607 $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev) 608 NO_SDT := 1; 609 else 610 CFLAGS += -DHAVE_SDT_EVENT 611 $(call detected,CONFIG_SDT_EVENT) 612 endif 613endif 614 615ifdef PERF_HAVE_JITDUMP 616 ifndef NO_LIBELF 617 $(call detected,CONFIG_JITDUMP) 618 CFLAGS += -DHAVE_JITDUMP 619 endif 620endif 621 622ifeq ($(SRCARCH),powerpc) 623 ifndef NO_LIBDW 624 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX 625 endif 626endif 627 628ifndef NO_LIBBPF 629 ifneq ($(feature-bpf), 1) 630 $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) 631 NO_LIBBPF := 1 632 endif 633endif 634 635ifeq ($(feature-libopenssl), 1) 636 $(call detected,CONFIG_LIBOPENSSL) 637 CFLAGS += -DHAVE_LIBOPENSSL_SUPPORT 638endif 639 640ifndef BUILD_BPF_SKEL 641 # BPF skeletons control a large number of perf features, by default 642 # they are enabled. 643 BUILD_BPF_SKEL := 1 644endif 645 646ifeq ($(BUILD_BPF_SKEL),1) 647 ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),) 648 $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool) 649 BUILD_BPF_SKEL := 0 650 else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),) 651 $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool) 652 BUILD_BPF_SKEL := 0 653 else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) 654 $(warning Warning: Disabled BPF skeletons as libbpf is required) 655 BUILD_BPF_SKEL := 0 656 else ifeq ($(filter -DHAVE_LIBOPENSSL_SUPPORT, $(CFLAGS)),) 657 $(warning Warning: Disabled BPF skeletons as libopenssl is required) 658 BUILD_BPF_SKEL := 0 659 else ifeq ($(call get-executable,$(CLANG)),) 660 $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing) 661 BUILD_BPF_SKEL := 0 662 else 663 CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g') 664 ifeq ($(call version-lt3,$(CLANG_VERSION),12.0.1),1) 665 $(warning Warning: Disabled BPF skeletons as reliable BTF generation needs at least $(CLANG) version 12.0.1) 666 BUILD_BPF_SKEL := 0 667 endif 668 endif 669 ifeq ($(BUILD_BPF_SKEL),1) 670 $(call feature_check,clang-bpf-co-re) 671 ifeq ($(feature-clang-bpf-co-re), 0) 672 $(warning Warning: Disabled BPF skeletons as clang is too old) 673 BUILD_BPF_SKEL := 0 674 endif 675 endif 676 ifeq ($(BUILD_BPF_SKEL),1) 677 $(call detected,CONFIG_PERF_BPF_SKEL) 678 CFLAGS += -DHAVE_BPF_SKEL 679 endif 680endif 681 682ifndef GEN_VMLINUX_H 683 VMLINUX_H_FILE=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h 684endif 685 686ifndef NO_LIBUNWIND 687 have_libunwind := 688 689 $(call feature_check,libunwind) 690 ifneq ($(feature-libunwind), 1) 691 $(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) 692 NO_LOCAL_LIBUNWIND := 1 693 else 694 have_libunwind := 1 695 $(call detected,CONFIG_LOCAL_LIBUNWIND) 696 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT 697 CFLAGS += $(LIBUNWIND_CFLAGS) 698 LDFLAGS += $(LIBUNWIND_LDFLAGS) 699 EXTLIBS_LIBUNWIND := $(LIBUNWIND_LIBS) 700 $(call feature_check,libunwind-debug-frame) 701 ifneq ($(feature-libunwind-debug-frame), 1) 702 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 703 endif 704 endif 705 706 define PROCESS_REMOTE_LIBUNWIND_ARCH 707 $(call feature_check,libunwind-$(1)) 708 709 ifeq ($$(feature-libunwind-$(1)), 1) 710 upper_arch := $$(shell echo $(1) | tr '[:lower:]' '[:upper:]') 711 $$(call detected,CONFIG_LIBUNWIND_$$(upper_arch)) 712 713 CFLAGS += -DHAVE_LIBUNWIND_$$(upper_arch)_SUPPORT 714 LDFLAGS += -lunwind-$(1) 715 EXTLIBS_LIBUNWIND += -lunwind-$(1) 716 have_libunwind := 1 717 718 $$(call feature_check,libunwind-debug-frame-$(1)) 719 ifneq ($$(feature-libunwind-debug-frame-$(1)), 1) 720 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_$$(upper_arch) 721 endif 722 endif 723 endef 724 $(foreach arch,$(LIBUNWIND_ARCHS), \ 725 $(eval $(call PROCESS_REMOTE_LIBUNWIND_ARCH,$(arch))) \ 726 ) 727 728 EXTLIBS += $(EXTLIBS_LIBUNWIND) 729 730 ifeq ($(findstring -static,${LDFLAGS}),-static) 731 # gcc -static links libgcc_eh which contains piece of libunwind 732 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition 733 endif 734 735 ifneq ($(have_libunwind), 1) 736 NO_LIBUNWIND := 1 737 endif 738endif 739 740dwarf-post-unwind := 1 741dwarf-post-unwind-text := BUG 742 743# setup DWARF post unwinder 744ifdef NO_LIBUNWIND 745 ifdef NO_LIBDW 746 $(warning Disabling post unwind, no support found.) 747 dwarf-post-unwind := 0 748 else 749 dwarf-post-unwind-text := libdw 750 $(call detected,CONFIG_LIBDW_DWARF_UNWIND) 751 endif 752else 753 dwarf-post-unwind-text := libunwind 754 $(call detected,CONFIG_LIBUNWIND) 755endif 756 757ifeq ($(dwarf-post-unwind),1) 758 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT 759 $(call detected,CONFIG_DWARF_UNWIND) 760endif 761 762ifneq ($(NO_LIBTRACEEVENT),1) 763 $(call detected,CONFIG_TRACE) 764endif 765 766ifndef NO_SLANG 767 ifneq ($(feature-libslang), 1) 768 $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev) 769 NO_SLANG := 1 770 endif 771 ifndef NO_SLANG 772 CFLAGS += -DHAVE_SLANG_SUPPORT 773 EXTLIBS += -lslang 774 $(call detected,CONFIG_SLANG) 775 endif 776endif 777 778ifdef GTK2 779 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) 780 $(call feature_check,gtk2) 781 ifneq ($(feature-gtk2), 1) 782 $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev) 783 NO_GTK2 := 1 784 else 785 $(call feature_check,gtk2-infobar) 786 ifeq ($(feature-gtk2-infobar), 1) 787 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT 788 endif 789 CFLAGS += -DHAVE_GTK2_SUPPORT 790 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) 791 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) 792 EXTLIBS += -ldl 793 endif 794endif 795 796ifdef LIBPERL 797 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) 798 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) 799 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) 800 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) 801 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) 802 PERL_EMBED_CCOPTS := $(filter-out -flto% -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) 803 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 804 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) 805 806 $(call feature_check,libperl) 807 ifneq ($(feature-libperl), 1) 808 $(error Missing perl devel files. Please install perl-ExtUtils-Embed/libperl-dev) 809 else 810 LDFLAGS += $(PERL_EMBED_LDFLAGS) 811 EXTLIBS += $(PERL_EMBED_LIBADD) 812 CFLAGS += -DHAVE_LIBPERL_SUPPORT 813 $(call detected,CONFIG_LIBPERL) 814 endif 815endif 816 817ifeq ($(feature-timerfd), 1) 818 CFLAGS += -DHAVE_TIMERFD_SUPPORT 819else 820 $(warning No timerfd support. Disables 'perf kvm stat live') 821endif 822 823disable-python = $(eval $(disable-python_code)) 824define disable-python_code 825 CFLAGS += -DNO_LIBPYTHON 826 $(warning $1) 827 NO_LIBPYTHON := 1 828endef 829 830PYTHON_EXTENSION_SUFFIX := '.so' 831ifdef NO_LIBPYTHON 832 $(call disable-python,Python support disabled by user) 833else 834 835 ifndef PYTHON 836 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev) 837 else 838 PYTHON_WORD := $(call shell-wordify,$(PYTHON)) 839 840 ifndef PYTHON_CONFIG 841 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) 842 else 843 844 ifneq ($(feature-libpython), 1) 845 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev) 846 else 847 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 848 EXTLIBS += $(PYTHON_EMBED_LIBADD) 849 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no") 850 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes) 851 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])') 852 ifdef CROSS_COMPILE 853 PYTHON_EXTENSION_SUFFIX := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EXTENSION_SUFFIX)) 854 endif 855 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX) 856 else 857 $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent) 858 endif 859 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT 860 $(call detected,CONFIG_LIBPYTHON) 861 ifeq ($(filter -fPIC,$(CFLAGS)),) 862 # Building a shared library requires position independent code. 863 CFLAGS += -fPIC 864 CXXFLAGS += -fPIC 865 endif 866 endif 867 endif 868 endif 869endif 870 871ifneq ($(NO_JEVENTS),1) 872 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),) 873 NO_JEVENTS := 1 874 endif 875endif 876ifneq ($(NO_JEVENTS),1) 877 NO_JEVENTS := 0 878 ifndef PYTHON 879 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.) 880 else 881 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016. 882 JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null) 883 ifneq ($(JEVENTS_PYTHON_GOOD), 1) 884 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.) 885 endif 886 endif 887endif 888 889ifdef BUILD_NONDISTRO 890 # call all detections now so we get correct status in VF output 891 $(call feature_check,libbfd) 892 $(call feature_check,disassembler-four-args) 893 $(call feature_check,disassembler-init-styled) 894 $(call feature_check,libbfd-threadsafe) 895 $(call feature_check,libbfd-liberty) 896 $(call feature_check,libbfd-liberty-z) 897 898 ifneq ($(feature-libbfd-threadsafe), 1) 899 $(error binutils-dev(el) 2.42 or later is required for non-distro builds) 900 endif 901 902 # we may be on a system that requires -liberty and (maybe) -lz 903 # to link against -lbfd; test each case individually here 904 ifeq ($(feature-libbfd), 1) 905 EXTLIBS += -lbfd -lopcodes 906 else ifeq ($(feature-libbfd-liberty), 1) 907 EXTLIBS += -lbfd -lopcodes -liberty 908 else ifeq ($(feature-libbfd-liberty-z), 1) 909 EXTLIBS += -lbfd -lopcodes -liberty -lz 910 endif 911 912 CFLAGS += -DHAVE_LIBBFD_SUPPORT 913 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT 914 $(call detected,CONFIG_LIBBFD) 915 916 ifeq ($(feature-disassembler-four-args), 1) 917 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 918 endif 919 920 ifeq ($(feature-disassembler-init-styled), 1) 921 CFLAGS += -DDISASM_INIT_STYLED 922 endif 923endif 924 925ifndef NO_LIBLLVM 926 $(call feature_check,llvm-perf) 927 ifeq ($(feature-llvm-perf), 1) 928 CFLAGS += -DHAVE_LIBLLVM_SUPPORT 929 LLVM_CFLAGS := $(shell $(LLVM_CONFIG) --cflags 2>/dev/null) 930 LLVM_CXXFLAGS := $(shell $(LLVM_CONFIG) --cxxflags 2>/dev/null) 931 LLVM_LIBLLVM := $(shell $(LLVM_CONFIG) --libs all 2>/dev/null) $(shell $(LLVM_CONFIG) --system-libs 2>/dev/null) 932 LLVM_LIBDIR := $(shell $(LLVM_CONFIG) --libdir 2>/dev/null) 933 CFLAGS += $(LLVM_CFLAGS) 934 CXXFLAGS += -DHAVE_LIBLLVM_SUPPORT $(LLVM_CXXFLAGS) 935 LIBLLVM := $(LLVM_LIBLLVM) 936 EXTLIBS += -L$(LLVM_LIBDIR) $(LIBLLVM) 937 EXTLIBS += -lstdc++ 938 $(call detected,CONFIG_LIBLLVM) 939 else 940 $(warning No libllvm 13+ found, slower source file resolution, please install llvm-devel/llvm-dev) 941 NO_LIBLLVM := 1 942 endif 943endif 944 945ifndef NO_DEMANGLE 946 $(call feature_check,cxa-demangle) 947 ifeq ($(feature-cxa-demangle), 1) 948 EXTLIBS += -lstdc++ 949 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 950 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 951 $(call detected,CONFIG_CXX_DEMANGLE) 952 endif 953 ifdef BUILD_NONDISTRO 954 ifeq ($(filter -liberty,$(EXTLIBS)),) 955 $(call feature_check,cplus-demangle) 956 ifeq ($(feature-cplus-demangle), 1) 957 EXTLIBS += -liberty 958 endif 959 endif 960 ifneq ($(filter -liberty,$(EXTLIBS)),) 961 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 962 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 963 endif 964 endif 965endif 966 967ifndef NO_LZMA 968 ifeq ($(feature-lzma), 1) 969 CFLAGS += -DHAVE_LZMA_SUPPORT 970 EXTLIBS += -llzma 971 $(call detected,CONFIG_LZMA) 972 else 973 $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev) 974 NO_LZMA := 1 975 endif 976endif 977 978ifndef NO_LIBZSTD 979 ifeq ($(feature-libzstd), 1) 980 CFLAGS += -DHAVE_ZSTD_SUPPORT 981 CFLAGS += $(LIBZSTD_CFLAGS) 982 LDFLAGS += $(LIBZSTD_LDFLAGS) 983 EXTLIBS += -lzstd 984 $(call detected,CONFIG_ZSTD) 985 else 986 $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR) 987 NO_LIBZSTD := 1 988 endif 989endif 990 991ifndef NO_BACKTRACE 992 ifeq ($(feature-backtrace), 1) 993 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 994 endif 995endif 996 997ifndef NO_LIBNUMA 998 ifeq ($(feature-libnuma), 0) 999 $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev) 1000 NO_LIBNUMA := 1 1001 else 1002 ifeq ($(feature-numa_num_possible_cpus), 0) 1003 $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8) 1004 NO_LIBNUMA := 1 1005 else 1006 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 1007 EXTLIBS += -lnuma 1008 $(call detected,CONFIG_NUMA) 1009 endif 1010 endif 1011endif 1012 1013ifeq (${IS_64_BIT}, 1) 1014 ifndef NO_PERF_READ_VDSO32 1015 $(call feature_check,compile-32) 1016 ifeq ($(feature-compile-32), 1) 1017 CFLAGS += -DHAVE_PERF_READ_VDSO32 1018 else 1019 NO_PERF_READ_VDSO32 := 1 1020 endif 1021 endif 1022 ifneq ($(SRCARCH), x86) 1023 NO_PERF_READ_VDSOX32 := 1 1024 endif 1025 ifndef NO_PERF_READ_VDSOX32 1026 $(call feature_check,compile-x32) 1027 ifeq ($(feature-compile-x32), 1) 1028 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1029 else 1030 NO_PERF_READ_VDSOX32 := 1 1031 endif 1032 endif 1033else 1034 NO_PERF_READ_VDSO32 := 1 1035 NO_PERF_READ_VDSOX32 := 1 1036endif 1037 1038ifndef NO_LIBBABELTRACE 1039 $(call feature_check,libbabeltrace) 1040 ifeq ($(feature-libbabeltrace), 1) 1041 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS) 1042 LDFLAGS += $(LIBBABELTRACE_LDFLAGS) 1043 EXTLIBS += -lbabeltrace-ctf 1044 $(call detected,CONFIG_LIBBABELTRACE) 1045 else 1046 $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev) 1047 endif 1048endif 1049 1050ifndef NO_CAPSTONE 1051 $(call feature_check,libcapstone) 1052 ifeq ($(feature-libcapstone), 1) 1053 CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LIBCAPSTONE_CFLAGS) 1054 ifdef LIBCAPSTONE_DLOPEN 1055 CFLAGS += -DLIBCAPSTONE_DLOPEN 1056 else 1057 LDFLAGS += $(LIBCAPSTONE_LDFLAGS) 1058 EXTLIBS += -lcapstone 1059 endif 1060 $(call detected,CONFIG_LIBCAPSTONE) 1061 else 1062 msg := $(warning No libcapstone found, disables disasm engine support for 'perf script', please install libcapstone-dev/capstone-devel); 1063 endif 1064endif 1065 1066ifdef EXTRA_TESTS 1067 $(call detected,CONFIG_EXTRA_TESTS) 1068 CFLAGS += -DHAVE_EXTRA_TESTS 1069endif 1070 1071ifndef NO_JVMTI 1072 ifneq (,$(wildcard /usr/sbin/update-java-alternatives)) 1073 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}') 1074 else 1075 ifneq (,$(wildcard /usr/sbin/alternatives)) 1076 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g') 1077 endif 1078 endif 1079 ifndef JDIR 1080 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory) 1081 NO_JVMTI := 1 1082 endif 1083endif 1084 1085ifndef NO_JVMTI 1086 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux 1087 $(call feature_check,jvmti) 1088 ifeq ($(feature-jvmti), 1) 1089 $(call detected_var,JDIR) 1090 ifndef NO_JVMTI_CMLR 1091 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti) 1092 $(call feature_check,jvmti-cmlr) 1093 ifeq ($(feature-jvmti-cmlr), 1) 1094 CFLAGS += -DHAVE_JVMTI_CMLR 1095 endif 1096 endif # NO_JVMTI_CMLR 1097 else 1098 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-latest-openjdk-devel) 1099 NO_JVMTI := 1 1100 endif 1101endif 1102 1103ifndef NO_LIBPFM4 1104 $(call feature_check,libpfm4) 1105 ifeq ($(feature-libpfm4), 1) 1106 CFLAGS += -DHAVE_LIBPFM 1107 EXTLIBS += -lpfm 1108 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 1109 $(call detected,CONFIG_LIBPFM4) 1110 else 1111 $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm-devel or libpfm4-dev) 1112 endif 1113endif 1114 1115# libtraceevent is a recommended dependency picked up from the system. 1116ifneq ($(NO_LIBTRACEEVENT),1) 1117 ifeq ($(feature-libtraceevent), 1) 1118 CFLAGS += -DHAVE_LIBTRACEEVENT $(shell $(PKG_CONFIG) --cflags libtraceevent) 1119 LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtraceevent) 1120 EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtraceevent) 1121 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent).0.0 1122 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1123 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1124 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1125 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3)) 1126 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP) 1127 $(call detected,CONFIG_LIBTRACEEVENT) 1128 else 1129 $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel and/or set LIBTRACEEVENT_DIR or build with NO_LIBTRACEEVENT=1) 1130 endif 1131endif 1132 1133ifndef NO_RUST 1134 $(call feature_check,rust) 1135 ifneq ($(feature-rust), 1) 1136 $(warning Rust is not found. Test workloads with rust are disabled.) 1137 NO_RUST := 1 1138 else 1139 NO_RUST := 0 1140 CFLAGS += -DHAVE_RUST_SUPPORT 1141 $(call detected,CONFIG_RUST_SUPPORT) 1142 endif 1143 1144 ifneq ($(CROSS_COMPILE),) 1145 RUST_TARGET_FLAGS_arm := arm-unknown-linux-gnueabi 1146 RUST_TARGET_FLAGS_arm64 := aarch64-unknown-linux-gnu 1147 RUST_TARGET_FLAGS_m68k := m68k-unknown-linux-gnu 1148 RUST_TARGET_FLAGS_mips := mipsel-unknown-linux-gnu 1149 RUST_TARGET_FLAGS_powerpc := powerpc64le-unknown-linux-gnu 1150 RUST_TARGET_FLAGS_riscv := riscv64gc-unknown-linux-gnu 1151 RUST_TARGET_FLAGS_s390 := s390x-unknown-linux-gnu 1152 RUST_TARGET_FLAGS_x86 := x86_64-unknown-linux-gnu 1153 RUST_TARGET_FLAGS_x86_64 := x86_64-unknown-linux-gnu 1154 1155 ifeq ($(RUST_TARGET_FLAGS_$(ARCH)),) 1156 $(error Unknown rust cross compilation architecture $(ARCH)) 1157 endif 1158 1159 RUST_FLAGS += --target=$(RUST_TARGET_FLAGS_$(ARCH)) 1160 endif 1161endif 1162 1163# Among the variables below, these: 1164# perfexecdir 1165# libbpf_include_dir 1166# perf_examples_dir 1167# template_dir 1168# mandir 1169# infodir 1170# htmldir 1171# ETC_PERFCONFIG (but not sysconfdir) 1172# can be specified as a relative path some/where/else; 1173# this is interpreted as relative to $(prefix) and "perf" at 1174# runtime figures out where they are based on the path to the executable. 1175# This can help installing the suite in a relocatable way. 1176 1177# Make the path relative to DESTDIR, not to prefix 1178ifndef DESTDIR 1179prefix ?= $(HOME) 1180endif 1181bindir_relative = bin 1182bindir = $(abspath $(prefix)/$(bindir_relative)) 1183includedir_relative = include 1184includedir = $(abspath $(prefix)/$(includedir_relative)) 1185mandir = share/man 1186infodir = share/info 1187perfexecdir = libexec/perf-core 1188# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance 1189libbpf_include_dir = /usr/include 1190perf_examples_dir = lib/perf/examples 1191sharedir = $(prefix)/share 1192template_dir = share/perf-core/templates 1193STRACE_GROUPS_DIR = share/perf-core/strace/groups 1194htmldir = share/doc/perf-doc 1195tipdir = share/doc/perf-tip 1196srcdir = $(srctree)/tools/perf 1197ifeq ($(prefix),/usr) 1198sysconfdir = /etc 1199ETC_PERFCONFIG = $(sysconfdir)/perfconfig 1200else 1201sysconfdir = $(prefix)/etc 1202ETC_PERFCONFIG = etc/perfconfig 1203endif 1204ifndef lib 1205ifeq ($(SRCARCH)$(IS_64_BIT), x861) 1206lib = lib64 1207else 1208lib = lib 1209endif 1210endif # lib 1211libdir = $(prefix)/$(lib) 1212 1213# Shell quote (do not use $(call) to accommodate ancient setups); 1214ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) 1215STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR)) 1216DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) 1217bindir_SQ = $(subst ','\'',$(bindir)) 1218includedir_SQ = $(subst ','\'',$(includedir)) 1219mandir_SQ = $(subst ','\'',$(mandir)) 1220infodir_SQ = $(subst ','\'',$(infodir)) 1221perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) 1222libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir)) 1223perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir)) 1224template_dir_SQ = $(subst ','\'',$(template_dir)) 1225htmldir_SQ = $(subst ','\'',$(htmldir)) 1226tipdir_SQ = $(subst ','\'',$(tipdir)) 1227prefix_SQ = $(subst ','\'',$(prefix)) 1228sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) 1229libdir_SQ = $(subst ','\'',$(libdir)) 1230srcdir_SQ = $(subst ','\'',$(srcdir)) 1231 1232ifneq ($(filter /%,$(firstword $(perfexecdir))),) 1233perfexec_instdir = $(perfexecdir) 1234perf_include_instdir = $(libbpf_include_dir) 1235perf_examples_instdir = $(perf_examples_dir) 1236STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) 1237tip_instdir = $(tipdir) 1238else 1239perfexec_instdir = $(prefix)/$(perfexecdir) 1240perf_include_instdir = $(prefix)/$(libbpf_include_dir) 1241perf_examples_instdir = $(prefix)/$(perf_examples_dir) 1242STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) 1243tip_instdir = $(prefix)/$(tipdir) 1244endif 1245perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) 1246perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir)) 1247perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir)) 1248STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) 1249tip_instdir_SQ = $(subst ','\'',$(tip_instdir)) 1250 1251export perfexec_instdir_SQ 1252 1253print_var = $(eval $(print_var_code)) $(info $(MSG)) 1254define print_var_code 1255 MSG = $(shell printf '...%40s: %s' $(1) $($(1))) 1256endef 1257 1258ifeq ($(feature_display),1) 1259 $(call feature_display_entries) 1260endif 1261 1262ifeq ($(VF),1) 1263 # Display EXTRA features which are detected manualy 1264 # from here with feature_check call and thus cannot 1265 # be partof global state output. 1266 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG))) 1267 $(call print_var,prefix) 1268 $(call print_var,bindir) 1269 $(call print_var,libdir) 1270 $(call print_var,sysconfdir) 1271 $(call print_var,LIBUNWIND_DIR) 1272 $(call print_var,LIBDW_DIR) 1273 $(call print_var,JDIR) 1274 1275 ifeq ($(dwarf-post-unwind),1) 1276 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG)) 1277 endif 1278endif 1279 1280$(info ) 1281 1282$(call detected_var,bindir_SQ) 1283$(call detected_var,PYTHON_WORD) 1284ifneq ($(OUTPUT),) 1285$(call detected_var,OUTPUT) 1286endif 1287$(call detected_var,htmldir_SQ) 1288$(call detected_var,infodir_SQ) 1289$(call detected_var,mandir_SQ) 1290$(call detected_var,ETC_PERFCONFIG_SQ) 1291$(call detected_var,STRACE_GROUPS_DIR_SQ) 1292$(call detected_var,prefix_SQ) 1293$(call detected_var,perfexecdir_SQ) 1294$(call detected_var,libbpf_include_dir_SQ) 1295$(call detected_var,perf_examples_dir_SQ) 1296$(call detected_var,tipdir_SQ) 1297$(call detected_var,srcdir_SQ) 1298$(call detected_var,LIBDIR) 1299$(call detected_var,GTK_CFLAGS) 1300$(call detected_var,PERL_EMBED_CCOPTS) 1301$(call detected_var,PYTHON_EMBED_CCOPTS) 1302ifneq ($(BISON_FILE_PREFIX_MAP),) 1303$(call detected_var,BISON_FILE_PREFIX_MAP) 1304endif 1305 1306# re-generate FEATURE-DUMP as we may have called feature_check, found out 1307# extra libraries to add to LDFLAGS of some other test and then redo those 1308# tests. 1309$(shell rm -f $(FEATURE_DUMP_FILENAME)) 1310$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) 1311