1# SPDX-License-Identifier: GPL-2.0-only 2 3ifeq ($(src-perf),) 4src-perf := $(srctree)/tools/perf 5endif 6 7ifeq ($(obj-perf),) 8obj-perf := $(OUTPUT) 9endif 10 11ifneq ($(obj-perf),) 12obj-perf := $(abspath $(obj-perf))/ 13endif 14 15$(shell printf "" > $(OUTPUT).config-detected) 16detected = $(shell echo "$(1)=y" >> $(OUTPUT).config-detected) 17detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected) 18 19CFLAGS := $(EXTRA_CFLAGS) $(filter-out -Wnested-externs,$(EXTRA_WARNINGS)) 20HOSTCFLAGS := $(filter-out -Wnested-externs,$(EXTRA_WARNINGS)) 21 22# Enabled Wthread-safety analysis for clang builds. 23ifeq ($(CC_NO_CLANG), 0) 24 CFLAGS += -Wthread-safety 25endif 26 27include $(srctree)/tools/scripts/Makefile.arch 28 29$(call detected_var,SRCARCH) 30 31ifneq ($(NO_SYSCALL_TABLE),1) 32 NO_SYSCALL_TABLE := 1 33 34 ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 powerpc arm64 s390 mips loongarch)) 35 NO_SYSCALL_TABLE := 0 36 endif 37 38 ifneq ($(NO_SYSCALL_TABLE),1) 39 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT 40 endif 41endif 42 43# Additional ARCH settings for ppc 44ifeq ($(SRCARCH),powerpc) 45 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated 46 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64 47endif 48 49# Additional ARCH settings for x86 50ifeq ($(SRCARCH),x86) 51 $(call detected,CONFIG_X86) 52 CFLAGS += -I$(OUTPUT)arch/x86/include/generated 53 ifeq (${IS_64_BIT}, 1) 54 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT 55 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S 56 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma 57 $(call detected,CONFIG_X86_64) 58 else 59 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind 60 endif 61endif 62 63ifeq ($(SRCARCH),arm) 64 LIBUNWIND_LIBS = -lunwind -lunwind-arm 65endif 66 67ifeq ($(SRCARCH),arm64) 68 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated 69 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64 70endif 71 72ifeq ($(SRCARCH),loongarch) 73 CFLAGS += -I$(OUTPUT)arch/loongarch/include/generated 74 LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64 75endif 76 77ifeq ($(ARCH),s390) 78 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated 79endif 80 81ifeq ($(ARCH),mips) 82 CFLAGS += -I$(OUTPUT)arch/mips/include/generated 83 LIBUNWIND_LIBS = -lunwind -lunwind-mips 84endif 85 86# So far there's only x86 and arm libdw unwind support merged in perf. 87# Disable it on all other architectures in case libdw unwind 88# support is detected in system. Add supported architectures 89# to the check. 90ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv loongarch)) 91 NO_LIBDW_DWARF_UNWIND := 1 92endif 93 94ifeq ($(LIBUNWIND_LIBS),) 95 NO_LIBUNWIND := 1 96endif 97# 98# For linking with debug library, run like: 99# 100# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/ 101# 102 103libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code)) 104define libunwind_arch_set_flags_code 105 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include 106 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib 107endef 108 109ifdef LIBUNWIND_DIR 110 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include 111 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib 112 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64 loongarch 113 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch))) 114endif 115 116# Set per-feature check compilation flags 117FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS) 118FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 119FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS) 120FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 121 122FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm 123FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64 124FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86 125FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64 126 127FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto 128 129ifdef CSINCLUDES 130 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES) 131endif 132OPENCSDLIBS := -lopencsd_c_api -lopencsd 133ifeq ($(findstring -static,${LDFLAGS}),-static) 134 OPENCSDLIBS += -lstdc++ 135endif 136ifdef CSLIBS 137 LIBOPENCSD_LDFLAGS := -L$(CSLIBS) 138endif 139FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS) 140FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS) 141 142# for linking with debug library, run like: 143# make DEBUG=1 LIBDW_DIR=/opt/libdw/ 144ifdef LIBDW_DIR 145 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include 146 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib 147endif 148DWARFLIBS := -ldw 149ifeq ($(findstring -static,${LDFLAGS}),-static) 150 DWARFLIBS += -lelf -lz -llzma -lbz2 -lzstd 151 152 LIBDW_VERSION := $(shell $(PKG_CONFIG) --modversion libdw).0.0 153 LIBDW_VERSION_1 := $(word 1, $(subst ., ,$(LIBDW_VERSION))) 154 LIBDW_VERSION_2 := $(word 2, $(subst ., ,$(LIBDW_VERSION))) 155 156 # Elfutils merged libebl.a into libdw.a starting from version 0.177, 157 # Link libebl.a only if libdw is older than this version. 158 ifeq ($(shell test $(LIBDW_VERSION_2) -lt 177; echo $$?),0) 159 DWARFLIBS += -lebl 160 endif 161 162 # Must put -ldl after -lebl for dependency 163 DWARFLIBS += -ldl 164endif 165FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS) 166FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS) 167 168# for linking with debug library, run like: 169# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/ 170ifdef LIBBABELTRACE_DIR 171 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include 172 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib 173endif 174FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS) 175FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf 176 177# for linking with debug library, run like: 178# make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/ 179ifdef LIBCAPSTONE_DIR 180 LIBCAPSTONE_CFLAGS := -I$(LIBCAPSTONE_DIR)/include 181 LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/ 182endif 183FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPSTONE_CFLAGS) 184FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPSTONE_LDFLAGS) -lcapstone 185 186ifdef LIBZSTD_DIR 187 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib 188 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib 189endif 190FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS) 191FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS) 192 193# for linking with debug library, run like: 194# make DEBUG=1 PKG_CONFIG_PATH=/opt/libtraceevent/(lib|lib64)/pkgconfig 195 196ifneq ($(NO_LIBTRACEEVENT),1) 197 ifeq ($(call get-executable,$(PKG_CONFIG)),) 198 $(error Error: $(PKG_CONFIG) needed by libtraceevent is missing on this system, please install it) 199 endif 200endif 201 202FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi 203# include ARCH specific config 204-include $(src-perf)/arch/$(SRCARCH)/Makefile 205 206ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 207 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 208endif 209 210include $(srctree)/tools/scripts/utilities.mak 211 212ifeq ($(call get-executable,$(FLEX)),) 213 $(error Error: $(FLEX) is missing on this system, please install it) 214endif 215 216ifeq ($(call get-executable,$(BISON)),) 217 $(error Error: $(BISON) is missing on this system, please install it) 218endif 219 220ifneq ($(OUTPUT),) 221 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1) 222 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)= 223 endif 224endif 225 226# Treat warnings as errors unless directed not to 227ifneq ($(WERROR),0) 228 CORE_CFLAGS += -Werror 229 CXXFLAGS += -Werror 230 HOSTCFLAGS += -Werror 231endif 232 233ifndef DEBUG 234 DEBUG := 0 235endif 236 237ifeq ($(DEBUG),0) 238CORE_CFLAGS += -DNDEBUG=1 239CORE_CFLAGS += -O3 240else 241 CORE_CFLAGS += -g 242 CXXFLAGS += -g 243endif 244 245ifdef PARSER_DEBUG 246 PARSER_DEBUG_BISON := -t 247 PARSER_DEBUG_FLEX := -d 248 CFLAGS += -DPARSER_DEBUG 249 $(call detected_var,PARSER_DEBUG_BISON) 250 $(call detected_var,PARSER_DEBUG_FLEX) 251endif 252 253ifdef LTO 254 CORE_CFLAGS += -flto 255 CXXFLAGS += -flto 256endif 257 258# Try different combinations to accommodate systems that only have 259# python[2][3]-config in weird combinations in the following order of 260# priority from lowest to highest: 261# * python2-config as per pep-0394. 262# * python-config 263# * python3-config 264# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't) 265# 266PYTHON_AUTO := python-config 267PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO)) 268PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO)) 269PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO)) 270 271# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user 272# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist. 273ifdef PYTHON 274 ifndef PYTHON_CONFIG 275 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config) 276 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\ 277 $(call $(error $(PYTHON)-config not found))) 278 endif 279endif 280 281# Select either auto detected python and python-config or use user supplied values if they are 282# defined. get-executable-or-default fails with an error if the first argument is supplied but 283# doesn't exist. 284override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO)) 285override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG))) 286 287grep-libs = $(filter -l%,$(1)) 288strip-libs = $(filter-out -l%,$(1)) 289 290PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG)) 291 292# Python 3.8 changed the output of `python-config --ldflags` to not include the 293# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for 294# libpython fails if that flag is not included in LDFLAGS 295ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0) 296 PYTHON_CONFIG_LDFLAGS := --ldflags --embed 297else 298 PYTHON_CONFIG_LDFLAGS := --ldflags 299endif 300 301ifdef PYTHON_CONFIG 302 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null) 303 # Update the python flags for cross compilation 304 ifdef CROSS_COMPILE 305 PYTHON_NATIVE := $(shell echo $(PYTHON_EMBED_LDOPTS) | sed 's/\(-L.*\/\)\(.*-linux-gnu\).*/\2/') 306 PYTHON_EMBED_LDOPTS := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EMBED_LDOPTS)) 307 endif 308 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS)) 309 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil 310 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null) 311 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS) 312 ifeq ($(CC_NO_CLANG), 0) 313 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS)) 314 endif 315endif 316 317FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS) 318FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS) 319 320FEATURE_CHECK_LDFLAGS-libaio = -lrt 321 322FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl 323FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl 324 325CORE_CFLAGS += -fno-omit-frame-pointer 326CORE_CFLAGS += -Wall 327CORE_CFLAGS += -Wextra 328CORE_CFLAGS += -std=gnu11 329 330CXXFLAGS += -std=gnu++17 -fno-exceptions -fno-rtti 331CXXFLAGS += -Wall 332CXXFLAGS += -Wextra 333CXXFLAGS += -fno-omit-frame-pointer 334 335HOSTCFLAGS += -Wall 336HOSTCFLAGS += -Wextra 337 338# Enforce a non-executable stack, as we may regress (again) in the future by 339# adding assembler files missing the .GNU-stack linker note. 340LDFLAGS += -Wl,-z,noexecstack 341 342EXTLIBS = -lpthread -lrt -lm -ldl 343 344ifneq ($(TCMALLOC),) 345 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free 346 EXTLIBS += -ltcmalloc 347endif 348 349ifeq ($(FEATURES_DUMP),) 350# We will display at the end of this Makefile.config, using $(call feature_display_entries) 351# As we may retry some feature detection here, see the disassembler-four-args case, for instance 352 FEATURE_DISPLAY_DEFERRED := 1 353include $(srctree)/tools/build/Makefile.feature 354else 355include $(FEATURES_DUMP) 356endif 357 358ifeq ($(feature-stackprotector-all), 1) 359 CORE_CFLAGS += -fstack-protector-all 360endif 361 362ifeq ($(DEBUG),0) 363 ifeq ($(feature-fortify-source), 1) 364 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 365 endif 366endif 367 368INC_FLAGS += -I$(src-perf)/util/include 369INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include 370INC_FLAGS += -I$(srctree)/tools/include/ 371INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi 372INC_FLAGS += -I$(srctree)/tools/include/uapi 373INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/ 374INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/ 375 376# $(obj-perf) for generated common-cmds.h 377# $(obj-perf)/util for generated bison/flex headers 378ifneq ($(OUTPUT),) 379INC_FLAGS += -I$(obj-perf)/util 380INC_FLAGS += -I$(obj-perf) 381endif 382 383INC_FLAGS += -I$(src-perf)/util 384INC_FLAGS += -I$(src-perf) 385 386CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE 387 388CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS) 389CXXFLAGS += $(INC_FLAGS) 390 391LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS) 392 393ifeq ($(feature-pthread-attr-setaffinity-np), 1) 394 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP 395endif 396 397ifeq ($(feature-pthread-barrier), 1) 398 CFLAGS += -DHAVE_PTHREAD_BARRIER 399endif 400 401ifndef NO_BIONIC 402 $(call feature_check,bionic) 403 ifeq ($(feature-bionic), 1) 404 BIONIC := 1 405 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE 406 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE 407 EXTLIBS := $(filter-out -lrt,$(EXTLIBS)) 408 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS)) 409 endif 410endif 411 412ifeq ($(feature-eventfd), 1) 413 CFLAGS += -DHAVE_EVENTFD_SUPPORT 414endif 415 416ifeq ($(feature-get_current_dir_name), 1) 417 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME 418endif 419 420ifeq ($(feature-gettid), 1) 421 CFLAGS += -DHAVE_GETTID 422endif 423 424ifeq ($(feature-file-handle), 1) 425 CFLAGS += -DHAVE_FILE_HANDLE 426endif 427 428ifdef NO_LIBELF 429 NO_DWARF := 1 430 NO_LIBUNWIND := 1 431 NO_LIBDW_DWARF_UNWIND := 1 432 NO_LIBBPF := 1 433 NO_JVMTI := 1 434else 435 ifeq ($(feature-libelf), 0) 436 ifeq ($(feature-glibc), 1) 437 LIBC_SUPPORT := 1 438 endif 439 ifeq ($(BIONIC),1) 440 LIBC_SUPPORT := 1 441 endif 442 ifeq ($(LIBC_SUPPORT),1) 443 $(error ERROR: No libelf found. Disables 'probe' tool, jvmti and BPF support. Please install libelf-dev, libelf-devel, elfutils-libelf-devel or build with NO_LIBELF=1.) 444 else 445 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),) 446 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0) 447 $(error No libasan found, please install libasan) 448 endif 449 endif 450 451 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),) 452 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0) 453 $(error No libubsan found, please install libubsan) 454 endif 455 endif 456 457 ifneq ($(filter s% -static%,$(LDFLAGS),),) 458 $(error No static glibc found, please install glibc-static) 459 else 460 $(error No gnu/libc-version.h found, please install glibc-dev[el]) 461 endif 462 endif 463 else 464 ifndef NO_LIBDW_DWARF_UNWIND 465 ifneq ($(feature-libdw-dwarf-unwind),1) 466 NO_LIBDW_DWARF_UNWIND := 1 467 $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR) 468 endif 469 endif 470 ifneq ($(feature-dwarf), 1) 471 ifndef NO_DWARF 472 $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev) 473 NO_DWARF := 1 474 endif 475 else 476 ifneq ($(feature-dwarf_getlocations), 1) 477 $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157) 478 else 479 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT 480 endif # dwarf_getlocations 481 ifneq ($(feature-dwarf_getcfi), 1) 482 $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.142) 483 else 484 CFLAGS += -DHAVE_DWARF_CFI_SUPPORT 485 endif # dwarf_getcfi 486 endif # Dwarf support 487 endif # libelf support 488endif # NO_LIBELF 489 490ifeq ($(feature-libaio), 1) 491 ifndef NO_AIO 492 CFLAGS += -DHAVE_AIO_SUPPORT 493 endif 494endif 495 496ifdef NO_DWARF 497 NO_LIBDW_DWARF_UNWIND := 1 498endif 499 500ifeq ($(feature-scandirat), 1) 501 # Ignore having scandirat with memory sanitizer that lacks an interceptor. 502 ifeq ($(filter s% -fsanitize=memory%,$(EXTRA_CFLAGS),),) 503 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT 504 endif 505endif 506 507ifeq ($(feature-sched_getcpu), 1) 508 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT 509endif 510 511ifeq ($(feature-setns), 1) 512 CFLAGS += -DHAVE_SETNS_SUPPORT 513 $(call detected,CONFIG_SETNS) 514endif 515 516ifeq ($(feature-reallocarray), 0) 517 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 518endif 519 520ifdef CORESIGHT 521 $(call feature_check,libopencsd) 522 ifeq ($(feature-libopencsd), 1) 523 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS) 524 LDFLAGS += $(LIBOPENCSD_LDFLAGS) 525 EXTLIBS += $(OPENCSDLIBS) 526 $(call detected,CONFIG_LIBOPENCSD) 527 ifdef CSTRACE_RAW 528 CFLAGS += -DCS_DEBUG_RAW 529 ifeq (${CSTRACE_RAW}, packed) 530 CFLAGS += -DCS_RAW_PACKED 531 endif 532 endif 533 else 534 $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1) 535 endif 536endif 537 538ifndef NO_ZLIB 539 ifeq ($(feature-zlib), 1) 540 CFLAGS += -DHAVE_ZLIB_SUPPORT 541 EXTLIBS += -lz 542 $(call detected,CONFIG_ZLIB) 543 else 544 NO_ZLIB := 1 545 endif 546endif 547 548ifndef NO_LIBELF 549 CFLAGS += -DHAVE_LIBELF_SUPPORT 550 EXTLIBS += -lelf 551 $(call detected,CONFIG_LIBELF) 552 553 ifeq ($(feature-libelf-getphdrnum), 1) 554 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT 555 endif 556 557 ifeq ($(feature-libelf-gelf_getnote), 1) 558 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT 559 else 560 $(warning gelf_getnote() not found on libelf, SDT support disabled) 561 endif 562 563 ifeq ($(feature-libelf-getshdrstrndx), 1) 564 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT 565 endif 566 567 ifndef NO_LIBDEBUGINFOD 568 $(call feature_check,libdebuginfod) 569 ifeq ($(feature-libdebuginfod), 1) 570 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT 571 EXTLIBS += -ldebuginfod 572 else 573 $(warning No elfutils/debuginfod.h found, no debuginfo server support, please install libdebuginfod-dev/elfutils-debuginfod-client-devel or equivalent) 574 endif 575 endif 576 577 ifndef NO_DWARF 578 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined) 579 $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled) 580 NO_DWARF := 1 581 else 582 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS) 583 LDFLAGS += $(LIBDW_LDFLAGS) 584 EXTLIBS += ${DWARFLIBS} 585 $(call detected,CONFIG_DWARF) 586 endif # PERF_HAVE_DWARF_REGS 587 endif # NO_DWARF 588 589 ifndef NO_LIBBPF 590 ifeq ($(feature-bpf), 1) 591 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status 592 $(call feature_check,libbpf) 593 594 ifdef LIBBPF_DYNAMIC 595 ifeq ($(feature-libbpf), 1) 596 EXTLIBS += -lbpf 597 CFLAGS += -DHAVE_LIBBPF_SUPPORT 598 $(call detected,CONFIG_LIBBPF) 599 $(call detected,CONFIG_LIBBPF_DYNAMIC) 600 else 601 $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel) 602 endif 603 else 604 ifeq ($(NO_ZLIB), 1) 605 $(warning Warning: Statically building libbpf not possible as zlib is missing) 606 NO_LIBBPF := 1 607 else 608 # Libbpf will be built as a static library from tools/lib/bpf. 609 LIBBPF_STATIC := 1 610 $(call detected,CONFIG_LIBBPF) 611 CFLAGS += -DHAVE_LIBBPF_SUPPORT 612 endif 613 endif 614 endif 615 endif # NO_LIBBPF 616endif # NO_LIBELF 617 618ifndef NO_SDT 619 ifneq ($(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_DWARF 637 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX 638 endif 639endif 640 641ifndef NO_LIBUNWIND 642 have_libunwind := 643 644 $(call feature_check,libunwind-x86) 645 ifeq ($(feature-libunwind-x86), 1) 646 $(call detected,CONFIG_LIBUNWIND_X86) 647 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT 648 LDFLAGS += -lunwind-x86 649 EXTLIBS_LIBUNWIND += -lunwind-x86 650 have_libunwind = 1 651 endif 652 653 $(call feature_check,libunwind-aarch64) 654 ifeq ($(feature-libunwind-aarch64), 1) 655 $(call detected,CONFIG_LIBUNWIND_AARCH64) 656 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT 657 LDFLAGS += -lunwind-aarch64 658 EXTLIBS_LIBUNWIND += -lunwind-aarch64 659 have_libunwind = 1 660 $(call feature_check,libunwind-debug-frame-aarch64) 661 ifneq ($(feature-libunwind-debug-frame-aarch64), 1) 662 $(warning No debug_frame support found in libunwind-aarch64) 663 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64 664 endif 665 endif 666 667 ifneq ($(feature-libunwind), 1) 668 $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR) 669 NO_LOCAL_LIBUNWIND := 1 670 else 671 have_libunwind := 1 672 $(call detected,CONFIG_LOCAL_LIBUNWIND) 673 endif 674 675 ifneq ($(have_libunwind), 1) 676 NO_LIBUNWIND := 1 677 endif 678else 679 NO_LOCAL_LIBUNWIND := 1 680endif 681 682ifndef NO_LIBBPF 683 ifneq ($(feature-bpf), 1) 684 $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) 685 NO_LIBBPF := 1 686 endif 687endif 688 689ifndef BUILD_BPF_SKEL 690 # BPF skeletons control a large number of perf features, by default 691 # they are enabled. 692 BUILD_BPF_SKEL := 1 693endif 694 695ifeq ($(BUILD_BPF_SKEL),1) 696 ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),) 697 $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool) 698 BUILD_BPF_SKEL := 0 699 else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),) 700 $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool) 701 BUILD_BPF_SKEL := 0 702 else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) 703 $(warning Warning: Disabled BPF skeletons as libbpf is required) 704 BUILD_BPF_SKEL := 0 705 else ifeq ($(call get-executable,$(CLANG)),) 706 $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing) 707 BUILD_BPF_SKEL := 0 708 else 709 CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g') 710 ifeq ($(call version-lt3,$(CLANG_VERSION),12.0.1),1) 711 $(warning Warning: Disabled BPF skeletons as reliable BTF generation needs at least $(CLANG) version 12.0.1) 712 BUILD_BPF_SKEL := 0 713 endif 714 endif 715 ifeq ($(BUILD_BPF_SKEL),1) 716 $(call feature_check,clang-bpf-co-re) 717 ifeq ($(feature-clang-bpf-co-re), 0) 718 $(warning Warning: Disabled BPF skeletons as clang is too old) 719 BUILD_BPF_SKEL := 0 720 endif 721 endif 722 ifeq ($(BUILD_BPF_SKEL),1) 723 $(call detected,CONFIG_PERF_BPF_SKEL) 724 CFLAGS += -DHAVE_BPF_SKEL 725 endif 726endif 727 728ifndef GEN_VMLINUX_H 729 VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h 730endif 731 732dwarf-post-unwind := 1 733dwarf-post-unwind-text := BUG 734 735# setup DWARF post unwinder 736ifdef NO_LIBUNWIND 737 ifdef NO_LIBDW_DWARF_UNWIND 738 $(warning Disabling post unwind, no support found.) 739 dwarf-post-unwind := 0 740 else 741 dwarf-post-unwind-text := libdw 742 $(call detected,CONFIG_LIBDW_DWARF_UNWIND) 743 endif 744else 745 dwarf-post-unwind-text := libunwind 746 $(call detected,CONFIG_LIBUNWIND) 747 # Enable libunwind support by default. 748 ifndef NO_LIBDW_DWARF_UNWIND 749 NO_LIBDW_DWARF_UNWIND := 1 750 endif 751endif 752 753ifeq ($(dwarf-post-unwind),1) 754 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT 755 $(call detected,CONFIG_DWARF_UNWIND) 756else 757 NO_DWARF_UNWIND := 1 758endif 759 760ifndef NO_LOCAL_LIBUNWIND 761 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64)) 762 $(call feature_check,libunwind-debug-frame) 763 ifneq ($(feature-libunwind-debug-frame), 1) 764 $(warning No debug_frame support found in libunwind) 765 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 766 endif 767 else 768 # non-ARM has no dwarf_find_debug_frame() function: 769 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 770 endif 771 EXTLIBS += $(LIBUNWIND_LIBS) 772 LDFLAGS += $(LIBUNWIND_LIBS) 773endif 774ifeq ($(findstring -static,${LDFLAGS}),-static) 775 # gcc -static links libgcc_eh which contans piece of libunwind 776 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition 777endif 778 779ifndef NO_LIBUNWIND 780 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT 781 CFLAGS += $(LIBUNWIND_CFLAGS) 782 LDFLAGS += $(LIBUNWIND_LDFLAGS) 783 EXTLIBS += $(EXTLIBS_LIBUNWIND) 784endif 785 786ifneq ($(NO_LIBTRACEEVENT),1) 787 ifeq ($(NO_SYSCALL_TABLE),0) 788 $(call detected,CONFIG_TRACE) 789 else 790 ifndef NO_LIBAUDIT 791 $(call feature_check,libaudit) 792 ifneq ($(feature-libaudit), 1) 793 $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev) 794 NO_LIBAUDIT := 1 795 else 796 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT 797 EXTLIBS += -laudit 798 $(call detected,CONFIG_TRACE) 799 endif 800 endif 801 endif 802endif 803 804ifndef NO_LIBCRYPTO 805 ifneq ($(feature-libcrypto), 1) 806 $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev) 807 NO_LIBCRYPTO := 1 808 else 809 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT 810 EXTLIBS += -lcrypto 811 $(call detected,CONFIG_CRYPTO) 812 endif 813endif 814 815ifndef NO_SLANG 816 ifneq ($(feature-libslang), 1) 817 ifneq ($(feature-libslang-include-subdir), 1) 818 $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev) 819 NO_SLANG := 1 820 else 821 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR 822 endif 823 endif 824 ifndef NO_SLANG 825 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h 826 CFLAGS += -DHAVE_SLANG_SUPPORT 827 EXTLIBS += -lslang 828 $(call detected,CONFIG_SLANG) 829 endif 830endif 831 832ifdef GTK2 833 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) 834 $(call feature_check,gtk2) 835 ifneq ($(feature-gtk2), 1) 836 $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev) 837 NO_GTK2 := 1 838 else 839 $(call feature_check,gtk2-infobar) 840 ifeq ($(feature-gtk2-infobar), 1) 841 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT 842 endif 843 CFLAGS += -DHAVE_GTK2_SUPPORT 844 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) 845 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) 846 EXTLIBS += -ldl 847 endif 848endif 849 850ifdef NO_LIBPERL 851 CFLAGS += -DNO_LIBPERL 852else 853 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) 854 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) 855 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) 856 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) 857 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) 858 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) 859 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 860 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) 861 862 ifneq ($(feature-libperl), 1) 863 CFLAGS += -DNO_LIBPERL 864 NO_LIBPERL := 1 865 $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev) 866 else 867 LDFLAGS += $(PERL_EMBED_LDFLAGS) 868 EXTLIBS += $(PERL_EMBED_LIBADD) 869 CFLAGS += -DHAVE_LIBPERL_SUPPORT 870 ifeq ($(CC_NO_CLANG), 0) 871 CFLAGS += -Wno-compound-token-split-by-macro 872 endif 873 $(call detected,CONFIG_LIBPERL) 874 endif 875endif 876 877ifeq ($(feature-timerfd), 1) 878 CFLAGS += -DHAVE_TIMERFD_SUPPORT 879else 880 $(warning No timerfd support. Disables 'perf kvm stat live') 881endif 882 883disable-python = $(eval $(disable-python_code)) 884define disable-python_code 885 CFLAGS += -DNO_LIBPYTHON 886 $(warning $1) 887 NO_LIBPYTHON := 1 888endef 889 890PYTHON_EXTENSION_SUFFIX := '.so' 891ifdef NO_LIBPYTHON 892 $(call disable-python,Python support disabled by user) 893else 894 895 ifndef PYTHON 896 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev) 897 else 898 PYTHON_WORD := $(call shell-wordify,$(PYTHON)) 899 900 ifndef PYTHON_CONFIG 901 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) 902 else 903 904 ifneq ($(feature-libpython), 1) 905 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev) 906 else 907 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 908 EXTLIBS += $(PYTHON_EMBED_LIBADD) 909 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no") 910 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes) 911 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])') 912 ifdef CROSS_COMPILE 913 PYTHON_EXTENSION_SUFFIX := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EXTENSION_SUFFIX)) 914 endif 915 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX) 916 else 917 $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent) 918 endif 919 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT 920 $(call detected,CONFIG_LIBPYTHON) 921 ifeq ($(filter -fPIC,$(CFLAGS)),) 922 # Building a shared library requires position independent code. 923 CFLAGS += -fPIC 924 CXXFLAGS += -fPIC 925 endif 926 endif 927 endif 928 endif 929endif 930 931ifneq ($(NO_JEVENTS),1) 932 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),) 933 NO_JEVENTS := 1 934 endif 935endif 936ifneq ($(NO_JEVENTS),1) 937 NO_JEVENTS := 0 938 ifndef PYTHON 939 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.) 940 else 941 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016. 942 JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null) 943 ifneq ($(JEVENTS_PYTHON_GOOD), 1) 944 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.) 945 endif 946 endif 947endif 948 949ifdef BUILD_NONDISTRO 950 ifeq ($(feature-libbfd), 1) 951 EXTLIBS += -lbfd -lopcodes 952 else 953 # we are on a system that requires -liberty and (maybe) -lz 954 # to link against -lbfd; test each case individually here 955 956 # call all detections now so we get correct 957 # status in VF output 958 $(call feature_check,libbfd-liberty) 959 $(call feature_check,libbfd-liberty-z) 960 961 ifeq ($(feature-libbfd-liberty), 1) 962 EXTLIBS += -lbfd -lopcodes -liberty 963 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl 964 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl 965 else 966 ifeq ($(feature-libbfd-liberty-z), 1) 967 EXTLIBS += -lbfd -lopcodes -liberty -lz 968 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl 969 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl 970 endif 971 endif 972 $(call feature_check,disassembler-four-args) 973 $(call feature_check,disassembler-init-styled) 974 endif 975 976 CFLAGS += -DHAVE_LIBBFD_SUPPORT 977 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT 978 ifeq ($(feature-libbfd-buildid), 1) 979 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT 980 else 981 $(warning Old version of libbfd/binutils things like PE executable profiling will not be available) 982 endif 983endif 984 985ifndef NO_LIBLLVM 986 $(call feature_check,llvm-perf) 987 ifeq ($(feature-llvm-perf), 1) 988 CFLAGS += -DHAVE_LIBLLVM_SUPPORT 989 CFLAGS += $(shell $(LLVM_CONFIG) --cflags) 990 CXXFLAGS += -DHAVE_LIBLLVM_SUPPORT 991 CXXFLAGS += $(shell $(LLVM_CONFIG) --cxxflags) 992 LIBLLVM = $(shell $(LLVM_CONFIG) --libs all) $(shell $(LLVM_CONFIG) --system-libs) 993 EXTLIBS += -L$(shell $(LLVM_CONFIG) --libdir) $(LIBLLVM) 994 EXTLIBS += -lstdc++ 995 $(call detected,CONFIG_LIBLLVM) 996 else 997 $(warning No libllvm 13+ found, slower source file resolution, please install llvm-devel/llvm-dev) 998 NO_LIBLLVM := 1 999 endif 1000endif 1001 1002ifndef NO_DEMANGLE 1003 $(call feature_check,cxa-demangle) 1004 ifeq ($(feature-cxa-demangle), 1) 1005 EXTLIBS += -lstdc++ 1006 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 1007 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 1008 $(call detected,CONFIG_CXX_DEMANGLE) 1009 endif 1010 ifdef BUILD_NONDISTRO 1011 ifeq ($(filter -liberty,$(EXTLIBS)),) 1012 $(call feature_check,cplus-demangle) 1013 ifeq ($(feature-cplus-demangle), 1) 1014 EXTLIBS += -liberty 1015 endif 1016 endif 1017 ifneq ($(filter -liberty,$(EXTLIBS)),) 1018 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 1019 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 1020 endif 1021 endif 1022endif 1023 1024ifndef NO_LZMA 1025 ifeq ($(feature-lzma), 1) 1026 CFLAGS += -DHAVE_LZMA_SUPPORT 1027 EXTLIBS += -llzma 1028 $(call detected,CONFIG_LZMA) 1029 else 1030 $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev) 1031 NO_LZMA := 1 1032 endif 1033endif 1034 1035ifndef NO_LIBZSTD 1036 ifeq ($(feature-libzstd), 1) 1037 CFLAGS += -DHAVE_ZSTD_SUPPORT 1038 CFLAGS += $(LIBZSTD_CFLAGS) 1039 LDFLAGS += $(LIBZSTD_LDFLAGS) 1040 EXTLIBS += -lzstd 1041 $(call detected,CONFIG_ZSTD) 1042 else 1043 $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR) 1044 NO_LIBZSTD := 1 1045 endif 1046endif 1047 1048ifndef NO_BACKTRACE 1049 ifeq ($(feature-backtrace), 1) 1050 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 1051 endif 1052endif 1053 1054ifndef NO_LIBNUMA 1055 ifeq ($(feature-libnuma), 0) 1056 $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev) 1057 NO_LIBNUMA := 1 1058 else 1059 ifeq ($(feature-numa_num_possible_cpus), 0) 1060 $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8) 1061 NO_LIBNUMA := 1 1062 else 1063 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 1064 EXTLIBS += -lnuma 1065 $(call detected,CONFIG_NUMA) 1066 endif 1067 endif 1068endif 1069 1070ifdef HAVE_KVM_STAT_SUPPORT 1071 CFLAGS += -DHAVE_KVM_STAT_SUPPORT 1072endif 1073 1074ifeq ($(feature-disassembler-four-args), 1) 1075 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 1076endif 1077 1078ifeq ($(feature-disassembler-init-styled), 1) 1079 CFLAGS += -DDISASM_INIT_STYLED 1080endif 1081 1082ifeq (${IS_64_BIT}, 1) 1083 ifndef NO_PERF_READ_VDSO32 1084 $(call feature_check,compile-32) 1085 ifeq ($(feature-compile-32), 1) 1086 CFLAGS += -DHAVE_PERF_READ_VDSO32 1087 else 1088 NO_PERF_READ_VDSO32 := 1 1089 endif 1090 endif 1091 ifneq ($(SRCARCH), x86) 1092 NO_PERF_READ_VDSOX32 := 1 1093 endif 1094 ifndef NO_PERF_READ_VDSOX32 1095 $(call feature_check,compile-x32) 1096 ifeq ($(feature-compile-x32), 1) 1097 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1098 else 1099 NO_PERF_READ_VDSOX32 := 1 1100 endif 1101 endif 1102else 1103 NO_PERF_READ_VDSO32 := 1 1104 NO_PERF_READ_VDSOX32 := 1 1105endif 1106 1107ifndef NO_LIBBABELTRACE 1108 $(call feature_check,libbabeltrace) 1109 ifeq ($(feature-libbabeltrace), 1) 1110 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS) 1111 LDFLAGS += $(LIBBABELTRACE_LDFLAGS) 1112 EXTLIBS += -lbabeltrace-ctf 1113 $(call detected,CONFIG_LIBBABELTRACE) 1114 else 1115 $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev) 1116 endif 1117endif 1118 1119ifndef NO_CAPSTONE 1120 $(call feature_check,libcapstone) 1121 ifeq ($(feature-libcapstone), 1) 1122 CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LIBCAPSTONE_CFLAGS) 1123 LDFLAGS += $(LICAPSTONE_LDFLAGS) 1124 EXTLIBS += -lcapstone 1125 $(call detected,CONFIG_LIBCAPSTONE) 1126 else 1127 msg := $(warning No libcapstone found, disables disasm engine support for 'perf script', please install libcapstone-dev/capstone-devel); 1128 endif 1129endif 1130 1131ifndef NO_AUXTRACE 1132 ifeq ($(SRCARCH),x86) 1133 ifeq ($(feature-get_cpuid), 0) 1134 $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc) 1135 NO_AUXTRACE := 1 1136 endif 1137 endif 1138 ifndef NO_AUXTRACE 1139 $(call detected,CONFIG_AUXTRACE) 1140 CFLAGS += -DHAVE_AUXTRACE_SUPPORT 1141 endif 1142endif 1143 1144ifdef EXTRA_TESTS 1145 $(call detected,CONFIG_EXTRA_TESTS) 1146 CFLAGS += -DHAVE_EXTRA_TESTS 1147endif 1148 1149ifndef NO_JVMTI 1150 ifneq (,$(wildcard /usr/sbin/update-java-alternatives)) 1151 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}') 1152 else 1153 ifneq (,$(wildcard /usr/sbin/alternatives)) 1154 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g') 1155 endif 1156 endif 1157 ifndef JDIR 1158 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory) 1159 NO_JVMTI := 1 1160 endif 1161endif 1162 1163ifndef NO_JVMTI 1164 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux 1165 $(call feature_check,jvmti) 1166 ifeq ($(feature-jvmti), 1) 1167 $(call detected_var,JDIR) 1168 ifndef NO_JVMTI_CMLR 1169 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti) 1170 $(call feature_check,jvmti-cmlr) 1171 ifeq ($(feature-jvmti-cmlr), 1) 1172 CFLAGS += -DHAVE_JVMTI_CMLR 1173 endif 1174 endif # NO_JVMTI_CMLR 1175 else 1176 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel) 1177 NO_JVMTI := 1 1178 endif 1179endif 1180 1181ifndef NO_LIBPFM4 1182 $(call feature_check,libpfm4) 1183 ifeq ($(feature-libpfm4), 1) 1184 CFLAGS += -DHAVE_LIBPFM 1185 EXTLIBS += -lpfm 1186 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 1187 $(call detected,CONFIG_LIBPFM4) 1188 else 1189 $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev) 1190 endif 1191endif 1192 1193# libtraceevent is a recommended dependency picked up from the system. 1194ifneq ($(NO_LIBTRACEEVENT),1) 1195 $(call feature_check,libtraceevent) 1196 ifeq ($(feature-libtraceevent), 1) 1197 CFLAGS += -DHAVE_LIBTRACEEVENT $(shell $(PKG_CONFIG) --cflags libtraceevent) 1198 LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtraceevent) 1199 EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtraceevent) 1200 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent).0.0 1201 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1202 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1203 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1204 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3)) 1205 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP) 1206 $(call detected,CONFIG_LIBTRACEEVENT) 1207 else 1208 $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel and/or set LIBTRACEEVENT_DIR or build with NO_LIBTRACEEVENT=1) 1209 endif 1210 1211 $(call feature_check,libtracefs) 1212 ifeq ($(feature-libtracefs), 1) 1213 CFLAGS += $(shell $(PKG_CONFIG) --cflags libtracefs) 1214 LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtracefs) 1215 EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtracefs) 1216 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs).0.0 1217 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION))) 1218 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION))) 1219 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION))) 1220 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3)) 1221 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP) 1222 else 1223 $(warning libtracefs is missing. Please install libtracefs-dev/libtracefs-devel) 1224 endif 1225endif 1226 1227# Among the variables below, these: 1228# perfexecdir 1229# libbpf_include_dir 1230# perf_examples_dir 1231# template_dir 1232# mandir 1233# infodir 1234# htmldir 1235# ETC_PERFCONFIG (but not sysconfdir) 1236# can be specified as a relative path some/where/else; 1237# this is interpreted as relative to $(prefix) and "perf" at 1238# runtime figures out where they are based on the path to the executable. 1239# This can help installing the suite in a relocatable way. 1240 1241# Make the path relative to DESTDIR, not to prefix 1242ifndef DESTDIR 1243prefix ?= $(HOME) 1244endif 1245bindir_relative = bin 1246bindir = $(abspath $(prefix)/$(bindir_relative)) 1247includedir_relative = include 1248includedir = $(abspath $(prefix)/$(includedir_relative)) 1249mandir = share/man 1250infodir = share/info 1251perfexecdir = libexec/perf-core 1252# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance 1253libbpf_include_dir = /usr/include 1254perf_examples_dir = lib/perf/examples 1255sharedir = $(prefix)/share 1256template_dir = share/perf-core/templates 1257STRACE_GROUPS_DIR = share/perf-core/strace/groups 1258htmldir = share/doc/perf-doc 1259tipdir = share/doc/perf-tip 1260srcdir = $(srctree)/tools/perf 1261ifeq ($(prefix),/usr) 1262sysconfdir = /etc 1263ETC_PERFCONFIG = $(sysconfdir)/perfconfig 1264else 1265sysconfdir = $(prefix)/etc 1266ETC_PERFCONFIG = etc/perfconfig 1267endif 1268ifndef lib 1269ifeq ($(SRCARCH)$(IS_64_BIT), x861) 1270lib = lib64 1271else 1272lib = lib 1273endif 1274endif # lib 1275libdir = $(prefix)/$(lib) 1276 1277# Shell quote (do not use $(call) to accommodate ancient setups); 1278ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) 1279STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR)) 1280DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) 1281bindir_SQ = $(subst ','\'',$(bindir)) 1282includedir_SQ = $(subst ','\'',$(includedir)) 1283mandir_SQ = $(subst ','\'',$(mandir)) 1284infodir_SQ = $(subst ','\'',$(infodir)) 1285perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) 1286libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir)) 1287perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir)) 1288template_dir_SQ = $(subst ','\'',$(template_dir)) 1289htmldir_SQ = $(subst ','\'',$(htmldir)) 1290tipdir_SQ = $(subst ','\'',$(tipdir)) 1291prefix_SQ = $(subst ','\'',$(prefix)) 1292sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) 1293libdir_SQ = $(subst ','\'',$(libdir)) 1294srcdir_SQ = $(subst ','\'',$(srcdir)) 1295 1296ifneq ($(filter /%,$(firstword $(perfexecdir))),) 1297perfexec_instdir = $(perfexecdir) 1298perf_include_instdir = $(libbpf_include_dir) 1299perf_examples_instdir = $(perf_examples_dir) 1300STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) 1301tip_instdir = $(tipdir) 1302else 1303perfexec_instdir = $(prefix)/$(perfexecdir) 1304perf_include_instdir = $(prefix)/$(libbpf_include_dir) 1305perf_examples_instdir = $(prefix)/$(perf_examples_dir) 1306STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) 1307tip_instdir = $(prefix)/$(tipdir) 1308endif 1309perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) 1310perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir)) 1311perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir)) 1312STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) 1313tip_instdir_SQ = $(subst ','\'',$(tip_instdir)) 1314 1315export perfexec_instdir_SQ 1316 1317print_var = $(eval $(print_var_code)) $(info $(MSG)) 1318define print_var_code 1319 MSG = $(shell printf '...%40s: %s' $(1) $($(1))) 1320endef 1321 1322ifeq ($(feature_display),1) 1323 $(call feature_display_entries) 1324endif 1325 1326ifeq ($(VF),1) 1327 # Display EXTRA features which are detected manualy 1328 # from here with feature_check call and thus cannot 1329 # be partof global state output. 1330 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG))) 1331 $(call print_var,prefix) 1332 $(call print_var,bindir) 1333 $(call print_var,libdir) 1334 $(call print_var,sysconfdir) 1335 $(call print_var,LIBUNWIND_DIR) 1336 $(call print_var,LIBDW_DIR) 1337 $(call print_var,JDIR) 1338 1339 ifeq ($(dwarf-post-unwind),1) 1340 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG)) 1341 endif 1342endif 1343 1344$(info ) 1345 1346$(call detected_var,bindir_SQ) 1347$(call detected_var,PYTHON_WORD) 1348ifneq ($(OUTPUT),) 1349$(call detected_var,OUTPUT) 1350endif 1351$(call detected_var,htmldir_SQ) 1352$(call detected_var,infodir_SQ) 1353$(call detected_var,mandir_SQ) 1354$(call detected_var,ETC_PERFCONFIG_SQ) 1355$(call detected_var,STRACE_GROUPS_DIR_SQ) 1356$(call detected_var,prefix_SQ) 1357$(call detected_var,perfexecdir_SQ) 1358$(call detected_var,libbpf_include_dir_SQ) 1359$(call detected_var,perf_examples_dir_SQ) 1360$(call detected_var,tipdir_SQ) 1361$(call detected_var,srcdir_SQ) 1362$(call detected_var,LIBDIR) 1363$(call detected_var,GTK_CFLAGS) 1364$(call detected_var,PERL_EMBED_CCOPTS) 1365$(call detected_var,PYTHON_EMBED_CCOPTS) 1366ifneq ($(BISON_FILE_PREFIX_MAP),) 1367$(call detected_var,BISON_FILE_PREFIX_MAP) 1368endif 1369 1370# re-generate FEATURE-DUMP as we may have called feature_check, found out 1371# extra libraries to add to LDFLAGS of some other test and then redo those 1372# tests, see the block about libbfd, disassembler-four-args, for instance. 1373$(shell rm -f $(FEATURE_DUMP_FILENAME)) 1374$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) 1375