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),x86) 35 ifeq (${IS_64_BIT}, 1) 36 NO_SYSCALL_TABLE := 0 37 endif 38 else 39 ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390 mips loongarch)) 40 NO_SYSCALL_TABLE := 0 41 endif 42 endif 43 44 ifneq ($(NO_SYSCALL_TABLE),1) 45 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT 46 endif 47endif 48 49# Additional ARCH settings for ppc 50ifeq ($(SRCARCH),powerpc) 51 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated 52 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64 53endif 54 55# Additional ARCH settings for x86 56ifeq ($(SRCARCH),x86) 57 $(call detected,CONFIG_X86) 58 ifeq (${IS_64_BIT}, 1) 59 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated 60 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S 61 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma 62 $(call detected,CONFIG_X86_64) 63 else 64 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind 65 endif 66endif 67 68ifeq ($(SRCARCH),arm) 69 LIBUNWIND_LIBS = -lunwind -lunwind-arm 70endif 71 72ifeq ($(SRCARCH),arm64) 73 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated 74 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64 75endif 76 77ifeq ($(SRCARCH),loongarch) 78 CFLAGS += -I$(OUTPUT)arch/loongarch/include/generated 79 LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64 80endif 81 82ifeq ($(ARCH),s390) 83 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated 84endif 85 86ifeq ($(ARCH),mips) 87 CFLAGS += -I$(OUTPUT)arch/mips/include/generated 88 LIBUNWIND_LIBS = -lunwind -lunwind-mips 89endif 90 91# So far there's only x86 and arm libdw unwind support merged in perf. 92# Disable it on all other architectures in case libdw unwind 93# support is detected in system. Add supported architectures 94# to the check. 95ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv loongarch)) 96 NO_LIBDW_DWARF_UNWIND := 1 97endif 98 99ifeq ($(LIBUNWIND_LIBS),) 100 NO_LIBUNWIND := 1 101endif 102# 103# For linking with debug library, run like: 104# 105# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/ 106# 107 108libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code)) 109define libunwind_arch_set_flags_code 110 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include 111 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib 112endef 113 114ifdef LIBUNWIND_DIR 115 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include 116 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib 117 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64 loongarch 118 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch))) 119endif 120 121# Set per-feature check compilation flags 122FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS) 123FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 124FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS) 125FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 126 127FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm 128FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64 129FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86 130FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64 131 132FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto 133 134ifdef CSINCLUDES 135 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES) 136endif 137OPENCSDLIBS := -lopencsd_c_api -lopencsd 138ifeq ($(findstring -static,${LDFLAGS}),-static) 139 OPENCSDLIBS += -lstdc++ 140endif 141ifdef CSLIBS 142 LIBOPENCSD_LDFLAGS := -L$(CSLIBS) 143endif 144FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS) 145FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS) 146 147# for linking with debug library, run like: 148# make DEBUG=1 LIBDW_DIR=/opt/libdw/ 149ifdef LIBDW_DIR 150 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include 151 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib 152endif 153DWARFLIBS := -ldw 154ifeq ($(findstring -static,${LDFLAGS}),-static) 155 DWARFLIBS += -lelf -ldl -lz -llzma -lbz2 -lzstd 156 157 LIBDW_VERSION := $(shell $(PKG_CONFIG) --modversion libdw) 158 LIBDW_VERSION_1 := $(word 1, $(subst ., ,$(LIBDW_VERSION))) 159 LIBDW_VERSION_2 := $(word 2, $(subst ., ,$(LIBDW_VERSION))) 160 161 # Elfutils merged libebl.a into libdw.a starting from version 0.177, 162 # Link libebl.a only if libdw is older than this version. 163 ifeq ($(shell test $(LIBDW_VERSION_2) -lt 177; echo $$?),0) 164 DWARFLIBS += -lebl 165 endif 166endif 167FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS) 168FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS) 169 170# for linking with debug library, run like: 171# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/ 172ifdef LIBBABELTRACE_DIR 173 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include 174 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib 175endif 176FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS) 177FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf 178 179# for linking with debug library, run like: 180# make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/ 181ifdef LIBCAPSTONE_DIR 182 LIBCAPSTONE_CFLAGS := -I$(LIBCAPSTONE_DIR)/include 183 LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/ 184endif 185FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPSTONE_CFLAGS) 186FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPSTONE_LDFLAGS) -lcapstone 187 188ifdef LIBZSTD_DIR 189 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib 190 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib 191endif 192FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS) 193FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS) 194 195# for linking with debug library, run like: 196# make DEBUG=1 PKG_CONFIG_PATH=/opt/libtraceevent/(lib|lib64)/pkgconfig 197 198ifneq ($(NO_LIBTRACEEVENT),1) 199 ifeq ($(call get-executable,$(PKG_CONFIG)),) 200 $(error Error: $(PKG_CONFIG) needed by libtraceevent is missing on this system, please install it) 201 endif 202endif 203 204FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi 205# include ARCH specific config 206-include $(src-perf)/arch/$(SRCARCH)/Makefile 207 208ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 209 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 210endif 211 212include $(srctree)/tools/scripts/utilities.mak 213 214ifeq ($(call get-executable,$(FLEX)),) 215 $(error Error: $(FLEX) is missing on this system, please install it) 216endif 217 218ifeq ($(call get-executable,$(BISON)),) 219 $(error Error: $(BISON) is missing on this system, please install it) 220endif 221 222ifneq ($(OUTPUT),) 223 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1) 224 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)= 225 endif 226endif 227 228# Treat warnings as errors unless directed not to 229ifneq ($(WERROR),0) 230 CORE_CFLAGS += -Werror 231 CXXFLAGS += -Werror 232 HOSTCFLAGS += -Werror 233endif 234 235ifndef DEBUG 236 DEBUG := 0 237endif 238 239ifeq ($(DEBUG),0) 240CORE_CFLAGS += -DNDEBUG=1 241ifeq ($(CC_NO_CLANG), 0) 242 CORE_CFLAGS += -O3 243else 244 CORE_CFLAGS += -O6 245endif 246else 247 CORE_CFLAGS += -g 248 CXXFLAGS += -g 249endif 250 251ifdef PARSER_DEBUG 252 PARSER_DEBUG_BISON := -t 253 PARSER_DEBUG_FLEX := -d 254 CFLAGS += -DPARSER_DEBUG 255 $(call detected_var,PARSER_DEBUG_BISON) 256 $(call detected_var,PARSER_DEBUG_FLEX) 257endif 258 259ifdef LTO 260 CORE_CFLAGS += -flto 261 CXXFLAGS += -flto 262endif 263 264# Try different combinations to accommodate systems that only have 265# python[2][3]-config in weird combinations in the following order of 266# priority from lowest to highest: 267# * python2-config as per pep-0394. 268# * python-config 269# * python3-config 270# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't) 271# 272PYTHON_AUTO := python-config 273PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO)) 274PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO)) 275PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO)) 276 277# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user 278# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist. 279ifdef PYTHON 280 ifndef PYTHON_CONFIG 281 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config) 282 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\ 283 $(call $(error $(PYTHON)-config not found))) 284 endif 285endif 286 287# Select either auto detected python and python-config or use user supplied values if they are 288# defined. get-executable-or-default fails with an error if the first argument is supplied but 289# doesn't exist. 290override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO)) 291override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG))) 292 293grep-libs = $(filter -l%,$(1)) 294strip-libs = $(filter-out -l%,$(1)) 295 296PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG)) 297 298# Python 3.8 changed the output of `python-config --ldflags` to not include the 299# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for 300# libpython fails if that flag is not included in LDFLAGS 301ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0) 302 PYTHON_CONFIG_LDFLAGS := --ldflags --embed 303else 304 PYTHON_CONFIG_LDFLAGS := --ldflags 305endif 306 307ifdef PYTHON_CONFIG 308 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null) 309 # Update the python flags for cross compilation 310 ifdef CROSS_COMPILE 311 PYTHON_NATIVE := $(shell echo $(PYTHON_EMBED_LDOPTS) | sed 's/\(-L.*\/\)\(.*-linux-gnu\).*/\2/') 312 PYTHON_EMBED_LDOPTS := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EMBED_LDOPTS)) 313 endif 314 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS)) 315 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil 316 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null) 317 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS) 318 ifeq ($(CC_NO_CLANG), 0) 319 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS)) 320 endif 321endif 322 323FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS) 324FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS) 325 326FEATURE_CHECK_LDFLAGS-libaio = -lrt 327 328FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl 329FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl 330 331CORE_CFLAGS += -fno-omit-frame-pointer 332CORE_CFLAGS += -Wall 333CORE_CFLAGS += -Wextra 334CORE_CFLAGS += -std=gnu11 335 336CXXFLAGS += -std=gnu++17 -fno-exceptions -fno-rtti 337CXXFLAGS += -Wall 338CXXFLAGS += -Wextra 339CXXFLAGS += -fno-omit-frame-pointer 340 341HOSTCFLAGS += -Wall 342HOSTCFLAGS += -Wextra 343 344# Enforce a non-executable stack, as we may regress (again) in the future by 345# adding assembler files missing the .GNU-stack linker note. 346LDFLAGS += -Wl,-z,noexecstack 347 348EXTLIBS = -lpthread -lrt -lm -ldl 349 350ifneq ($(TCMALLOC),) 351 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free 352 EXTLIBS += -ltcmalloc 353endif 354 355ifeq ($(FEATURES_DUMP),) 356# We will display at the end of this Makefile.config, using $(call feature_display_entries) 357# As we may retry some feature detection here, see the disassembler-four-args case, for instance 358 FEATURE_DISPLAY_DEFERRED := 1 359include $(srctree)/tools/build/Makefile.feature 360else 361include $(FEATURES_DUMP) 362endif 363 364ifeq ($(feature-stackprotector-all), 1) 365 CORE_CFLAGS += -fstack-protector-all 366endif 367 368ifeq ($(DEBUG),0) 369 ifeq ($(feature-fortify-source), 1) 370 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 371 endif 372endif 373 374INC_FLAGS += -I$(src-perf)/util/include 375INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include 376INC_FLAGS += -I$(srctree)/tools/include/ 377INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi 378INC_FLAGS += -I$(srctree)/tools/include/uapi 379INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/ 380INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/ 381 382# $(obj-perf) for generated common-cmds.h 383# $(obj-perf)/util for generated bison/flex headers 384ifneq ($(OUTPUT),) 385INC_FLAGS += -I$(obj-perf)/util 386INC_FLAGS += -I$(obj-perf) 387endif 388 389INC_FLAGS += -I$(src-perf)/util 390INC_FLAGS += -I$(src-perf) 391 392CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE 393 394CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS) 395CXXFLAGS += $(INC_FLAGS) 396 397LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS) 398 399ifeq ($(feature-pthread-attr-setaffinity-np), 1) 400 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP 401endif 402 403ifeq ($(feature-pthread-barrier), 1) 404 CFLAGS += -DHAVE_PTHREAD_BARRIER 405endif 406 407ifndef NO_BIONIC 408 $(call feature_check,bionic) 409 ifeq ($(feature-bionic), 1) 410 BIONIC := 1 411 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE 412 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE 413 EXTLIBS := $(filter-out -lrt,$(EXTLIBS)) 414 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS)) 415 endif 416endif 417 418ifeq ($(feature-eventfd), 1) 419 CFLAGS += -DHAVE_EVENTFD_SUPPORT 420endif 421 422ifeq ($(feature-get_current_dir_name), 1) 423 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME 424endif 425 426ifeq ($(feature-gettid), 1) 427 CFLAGS += -DHAVE_GETTID 428endif 429 430ifeq ($(feature-file-handle), 1) 431 CFLAGS += -DHAVE_FILE_HANDLE 432endif 433 434ifdef NO_LIBELF 435 NO_DWARF := 1 436 NO_LIBUNWIND := 1 437 NO_LIBDW_DWARF_UNWIND := 1 438 NO_LIBBPF := 1 439 NO_JVMTI := 1 440else 441 ifeq ($(feature-libelf), 0) 442 ifeq ($(feature-glibc), 1) 443 LIBC_SUPPORT := 1 444 endif 445 ifeq ($(BIONIC),1) 446 LIBC_SUPPORT := 1 447 endif 448 ifeq ($(LIBC_SUPPORT),1) 449 $(error ERROR: No libelf found. Disables 'probe' tool, jvmti and BPF support. Please install libelf-dev, libelf-devel, elfutils-libelf-devel or build with NO_LIBELF=1.) 450 else 451 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),) 452 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0) 453 $(error No libasan found, please install libasan) 454 endif 455 endif 456 457 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),) 458 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0) 459 $(error No libubsan found, please install libubsan) 460 endif 461 endif 462 463 ifneq ($(filter s% -static%,$(LDFLAGS),),) 464 $(error No static glibc found, please install glibc-static) 465 else 466 $(error No gnu/libc-version.h found, please install glibc-dev[el]) 467 endif 468 endif 469 else 470 ifndef NO_LIBDW_DWARF_UNWIND 471 ifneq ($(feature-libdw-dwarf-unwind),1) 472 NO_LIBDW_DWARF_UNWIND := 1 473 $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR) 474 endif 475 endif 476 ifneq ($(feature-dwarf), 1) 477 ifndef NO_DWARF 478 $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev) 479 NO_DWARF := 1 480 endif 481 else 482 ifneq ($(feature-dwarf_getlocations), 1) 483 $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157) 484 else 485 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT 486 endif # dwarf_getlocations 487 ifneq ($(feature-dwarf_getcfi), 1) 488 $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.142) 489 else 490 CFLAGS += -DHAVE_DWARF_CFI_SUPPORT 491 endif # dwarf_getcfi 492 endif # Dwarf support 493 endif # libelf support 494endif # NO_LIBELF 495 496ifeq ($(feature-libaio), 1) 497 ifndef NO_AIO 498 CFLAGS += -DHAVE_AIO_SUPPORT 499 endif 500endif 501 502ifdef NO_DWARF 503 NO_LIBDW_DWARF_UNWIND := 1 504endif 505 506ifeq ($(feature-scandirat), 1) 507 # Ignore having scandirat with memory sanitizer that lacks an interceptor. 508 ifeq ($(filter s% -fsanitize=memory%,$(EXTRA_CFLAGS),),) 509 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT 510 endif 511endif 512 513ifeq ($(feature-sched_getcpu), 1) 514 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT 515endif 516 517ifeq ($(feature-setns), 1) 518 CFLAGS += -DHAVE_SETNS_SUPPORT 519 $(call detected,CONFIG_SETNS) 520endif 521 522ifdef CORESIGHT 523 $(call feature_check,libopencsd) 524 ifeq ($(feature-libopencsd), 1) 525 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS) 526 ifeq ($(feature-reallocarray), 0) 527 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 528 endif 529 LDFLAGS += $(LIBOPENCSD_LDFLAGS) 530 EXTLIBS += $(OPENCSDLIBS) 531 $(call detected,CONFIG_LIBOPENCSD) 532 ifdef CSTRACE_RAW 533 CFLAGS += -DCS_DEBUG_RAW 534 ifeq (${CSTRACE_RAW}, packed) 535 CFLAGS += -DCS_RAW_PACKED 536 endif 537 endif 538 else 539 $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1) 540 endif 541endif 542 543ifndef NO_ZLIB 544 ifeq ($(feature-zlib), 1) 545 CFLAGS += -DHAVE_ZLIB_SUPPORT 546 EXTLIBS += -lz 547 $(call detected,CONFIG_ZLIB) 548 else 549 NO_ZLIB := 1 550 endif 551endif 552 553ifndef NO_LIBELF 554 CFLAGS += -DHAVE_LIBELF_SUPPORT 555 EXTLIBS += -lelf 556 $(call detected,CONFIG_LIBELF) 557 558 ifeq ($(feature-libelf-getphdrnum), 1) 559 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT 560 endif 561 562 ifeq ($(feature-libelf-gelf_getnote), 1) 563 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT 564 else 565 $(warning gelf_getnote() not found on libelf, SDT support disabled) 566 endif 567 568 ifeq ($(feature-libelf-getshdrstrndx), 1) 569 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT 570 endif 571 572 ifndef NO_LIBDEBUGINFOD 573 $(call feature_check,libdebuginfod) 574 ifeq ($(feature-libdebuginfod), 1) 575 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT 576 EXTLIBS += -ldebuginfod 577 endif 578 endif 579 580 ifndef NO_DWARF 581 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined) 582 $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled) 583 NO_DWARF := 1 584 else 585 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS) 586 LDFLAGS += $(LIBDW_LDFLAGS) 587 EXTLIBS += ${DWARFLIBS} 588 $(call detected,CONFIG_DWARF) 589 endif # PERF_HAVE_DWARF_REGS 590 endif # NO_DWARF 591 592 ifndef NO_LIBBPF 593 ifeq ($(feature-bpf), 1) 594 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status 595 $(call feature_check,libbpf) 596 597 ifdef LIBBPF_DYNAMIC 598 ifeq ($(feature-libbpf), 1) 599 EXTLIBS += -lbpf 600 CFLAGS += -DHAVE_LIBBPF_SUPPORT 601 $(call detected,CONFIG_LIBBPF) 602 $(call detected,CONFIG_LIBBPF_DYNAMIC) 603 else 604 $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel) 605 endif 606 else 607 ifeq ($(NO_ZLIB), 1) 608 $(warning Warning: Statically building libbpf not possible as zlib is missing) 609 NO_LIBBPF := 1 610 else 611 # Libbpf will be built as a static library from tools/lib/bpf. 612 LIBBPF_STATIC := 1 613 $(call detected,CONFIG_LIBBPF) 614 CFLAGS += -DHAVE_LIBBPF_SUPPORT 615 endif 616 endif 617 endif 618 endif # NO_LIBBPF 619endif # NO_LIBELF 620 621ifndef NO_SDT 622 ifneq ($(feature-sdt), 1) 623 $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev) 624 NO_SDT := 1; 625 else 626 CFLAGS += -DHAVE_SDT_EVENT 627 $(call detected,CONFIG_SDT_EVENT) 628 endif 629endif 630 631ifdef PERF_HAVE_JITDUMP 632 ifndef NO_LIBELF 633 $(call detected,CONFIG_JITDUMP) 634 CFLAGS += -DHAVE_JITDUMP 635 endif 636endif 637 638ifeq ($(SRCARCH),powerpc) 639 ifndef NO_DWARF 640 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX 641 endif 642endif 643 644ifndef NO_LIBUNWIND 645 have_libunwind := 646 647 $(call feature_check,libunwind-x86) 648 ifeq ($(feature-libunwind-x86), 1) 649 $(call detected,CONFIG_LIBUNWIND_X86) 650 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT 651 LDFLAGS += -lunwind-x86 652 EXTLIBS_LIBUNWIND += -lunwind-x86 653 have_libunwind = 1 654 endif 655 656 $(call feature_check,libunwind-aarch64) 657 ifeq ($(feature-libunwind-aarch64), 1) 658 $(call detected,CONFIG_LIBUNWIND_AARCH64) 659 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT 660 LDFLAGS += -lunwind-aarch64 661 EXTLIBS_LIBUNWIND += -lunwind-aarch64 662 have_libunwind = 1 663 $(call feature_check,libunwind-debug-frame-aarch64) 664 ifneq ($(feature-libunwind-debug-frame-aarch64), 1) 665 $(warning No debug_frame support found in libunwind-aarch64) 666 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64 667 endif 668 endif 669 670 ifneq ($(feature-libunwind), 1) 671 $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR) 672 NO_LOCAL_LIBUNWIND := 1 673 else 674 have_libunwind := 1 675 $(call detected,CONFIG_LOCAL_LIBUNWIND) 676 endif 677 678 ifneq ($(have_libunwind), 1) 679 NO_LIBUNWIND := 1 680 endif 681else 682 NO_LOCAL_LIBUNWIND := 1 683endif 684 685ifndef NO_LIBBPF 686 ifneq ($(feature-bpf), 1) 687 $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) 688 NO_LIBBPF := 1 689 endif 690endif 691 692ifndef BUILD_BPF_SKEL 693 # BPF skeletons control a large number of perf features, by default 694 # they are enabled. 695 BUILD_BPF_SKEL := 1 696endif 697 698ifeq ($(BUILD_BPF_SKEL),1) 699 ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),) 700 $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool) 701 BUILD_BPF_SKEL := 0 702 else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),) 703 $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool) 704 BUILD_BPF_SKEL := 0 705 else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) 706 $(warning Warning: Disabled BPF skeletons as libbpf is required) 707 BUILD_BPF_SKEL := 0 708 else ifeq ($(call get-executable,$(CLANG)),) 709 $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing) 710 BUILD_BPF_SKEL := 0 711 else 712 CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g') 713 ifeq ($(call version-lt3,$(CLANG_VERSION),12.0.1),1) 714 $(warning Warning: Disabled BPF skeletons as reliable BTF generation needs at least $(CLANG) version 12.0.1) 715 BUILD_BPF_SKEL := 0 716 endif 717 endif 718 ifeq ($(BUILD_BPF_SKEL),1) 719 $(call feature_check,clang-bpf-co-re) 720 ifeq ($(feature-clang-bpf-co-re), 0) 721 $(warning Warning: Disabled BPF skeletons as clang is too old) 722 BUILD_BPF_SKEL := 0 723 endif 724 endif 725 ifeq ($(BUILD_BPF_SKEL),1) 726 $(call detected,CONFIG_PERF_BPF_SKEL) 727 CFLAGS += -DHAVE_BPF_SKEL 728 endif 729endif 730 731ifndef GEN_VMLINUX_H 732 VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h 733endif 734 735dwarf-post-unwind := 1 736dwarf-post-unwind-text := BUG 737 738# setup DWARF post unwinder 739ifdef NO_LIBUNWIND 740 ifdef NO_LIBDW_DWARF_UNWIND 741 $(warning Disabling post unwind, no support found.) 742 dwarf-post-unwind := 0 743 else 744 dwarf-post-unwind-text := libdw 745 $(call detected,CONFIG_LIBDW_DWARF_UNWIND) 746 endif 747else 748 dwarf-post-unwind-text := libunwind 749 $(call detected,CONFIG_LIBUNWIND) 750 # Enable libunwind support by default. 751 ifndef NO_LIBDW_DWARF_UNWIND 752 NO_LIBDW_DWARF_UNWIND := 1 753 endif 754endif 755 756ifeq ($(dwarf-post-unwind),1) 757 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT 758 $(call detected,CONFIG_DWARF_UNWIND) 759else 760 NO_DWARF_UNWIND := 1 761endif 762 763ifndef NO_LOCAL_LIBUNWIND 764 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64)) 765 $(call feature_check,libunwind-debug-frame) 766 ifneq ($(feature-libunwind-debug-frame), 1) 767 $(warning No debug_frame support found in libunwind) 768 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 769 endif 770 else 771 # non-ARM has no dwarf_find_debug_frame() function: 772 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 773 endif 774 EXTLIBS += $(LIBUNWIND_LIBS) 775 LDFLAGS += $(LIBUNWIND_LIBS) 776endif 777ifeq ($(findstring -static,${LDFLAGS}),-static) 778 # gcc -static links libgcc_eh which contans piece of libunwind 779 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition 780endif 781 782ifndef NO_LIBUNWIND 783 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT 784 CFLAGS += $(LIBUNWIND_CFLAGS) 785 LDFLAGS += $(LIBUNWIND_LDFLAGS) 786 EXTLIBS += $(EXTLIBS_LIBUNWIND) 787endif 788 789ifneq ($(NO_LIBTRACEEVENT),1) 790 ifeq ($(NO_SYSCALL_TABLE),0) 791 $(call detected,CONFIG_TRACE) 792 else 793 ifndef NO_LIBAUDIT 794 $(call feature_check,libaudit) 795 ifneq ($(feature-libaudit), 1) 796 $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev) 797 NO_LIBAUDIT := 1 798 else 799 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT 800 EXTLIBS += -laudit 801 $(call detected,CONFIG_TRACE) 802 endif 803 endif 804 endif 805endif 806 807ifndef NO_LIBCRYPTO 808 ifneq ($(feature-libcrypto), 1) 809 $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev) 810 NO_LIBCRYPTO := 1 811 else 812 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT 813 EXTLIBS += -lcrypto 814 $(call detected,CONFIG_CRYPTO) 815 endif 816endif 817 818ifndef NO_SLANG 819 ifneq ($(feature-libslang), 1) 820 ifneq ($(feature-libslang-include-subdir), 1) 821 $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev) 822 NO_SLANG := 1 823 else 824 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR 825 endif 826 endif 827 ifndef NO_SLANG 828 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h 829 CFLAGS += -DHAVE_SLANG_SUPPORT 830 EXTLIBS += -lslang 831 $(call detected,CONFIG_SLANG) 832 endif 833endif 834 835ifdef GTK2 836 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) 837 $(call feature_check,gtk2) 838 ifneq ($(feature-gtk2), 1) 839 $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev) 840 NO_GTK2 := 1 841 else 842 $(call feature_check,gtk2-infobar) 843 ifeq ($(feature-gtk2-infobar), 1) 844 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT 845 endif 846 CFLAGS += -DHAVE_GTK2_SUPPORT 847 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) 848 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) 849 EXTLIBS += -ldl 850 endif 851endif 852 853ifdef NO_LIBPERL 854 CFLAGS += -DNO_LIBPERL 855else 856 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) 857 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) 858 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) 859 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) 860 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) 861 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) 862 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 863 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) 864 865 ifneq ($(feature-libperl), 1) 866 CFLAGS += -DNO_LIBPERL 867 NO_LIBPERL := 1 868 $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev) 869 else 870 LDFLAGS += $(PERL_EMBED_LDFLAGS) 871 EXTLIBS += $(PERL_EMBED_LIBADD) 872 CFLAGS += -DHAVE_LIBPERL_SUPPORT 873 ifeq ($(CC_NO_CLANG), 0) 874 CFLAGS += -Wno-compound-token-split-by-macro 875 endif 876 $(call detected,CONFIG_LIBPERL) 877 endif 878endif 879 880ifeq ($(feature-timerfd), 1) 881 CFLAGS += -DHAVE_TIMERFD_SUPPORT 882else 883 $(warning No timerfd support. Disables 'perf kvm stat live') 884endif 885 886disable-python = $(eval $(disable-python_code)) 887define disable-python_code 888 CFLAGS += -DNO_LIBPYTHON 889 $(warning $1) 890 NO_LIBPYTHON := 1 891endef 892 893PYTHON_EXTENSION_SUFFIX := '.so' 894ifdef NO_LIBPYTHON 895 $(call disable-python,Python support disabled by user) 896else 897 898 ifndef PYTHON 899 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev) 900 else 901 PYTHON_WORD := $(call shell-wordify,$(PYTHON)) 902 903 ifndef PYTHON_CONFIG 904 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) 905 else 906 907 ifneq ($(feature-libpython), 1) 908 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev) 909 else 910 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 911 EXTLIBS += $(PYTHON_EMBED_LIBADD) 912 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no") 913 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes) 914 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])') 915 ifdef CROSS_COMPILE 916 PYTHON_EXTENSION_SUFFIX := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EXTENSION_SUFFIX)) 917 endif 918 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX) 919 else 920 $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent) 921 endif 922 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT 923 $(call detected,CONFIG_LIBPYTHON) 924 ifeq ($(filter -fPIC,$(CFLAGS)),) 925 # Building a shared library requires position independent code. 926 CFLAGS += -fPIC 927 CXXFLAGS += -fPIC 928 endif 929 endif 930 endif 931 endif 932endif 933 934ifneq ($(NO_JEVENTS),1) 935 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),) 936 NO_JEVENTS := 1 937 endif 938endif 939ifneq ($(NO_JEVENTS),1) 940 NO_JEVENTS := 0 941 ifndef PYTHON 942 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.) 943 else 944 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016. 945 JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null) 946 ifneq ($(JEVENTS_PYTHON_GOOD), 1) 947 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.) 948 endif 949 endif 950endif 951 952ifdef BUILD_NONDISTRO 953 ifeq ($(feature-libbfd), 1) 954 EXTLIBS += -lbfd -lopcodes 955 else 956 # we are on a system that requires -liberty and (maybe) -lz 957 # to link against -lbfd; test each case individually here 958 959 # call all detections now so we get correct 960 # status in VF output 961 $(call feature_check,libbfd-liberty) 962 $(call feature_check,libbfd-liberty-z) 963 964 ifeq ($(feature-libbfd-liberty), 1) 965 EXTLIBS += -lbfd -lopcodes -liberty 966 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl 967 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl 968 else 969 ifeq ($(feature-libbfd-liberty-z), 1) 970 EXTLIBS += -lbfd -lopcodes -liberty -lz 971 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl 972 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl 973 endif 974 endif 975 $(call feature_check,disassembler-four-args) 976 $(call feature_check,disassembler-init-styled) 977 endif 978 979 CFLAGS += -DHAVE_LIBBFD_SUPPORT 980 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT 981 ifeq ($(feature-libbfd-buildid), 1) 982 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT 983 else 984 $(warning Old version of libbfd/binutils things like PE executable profiling will not be available) 985 endif 986endif 987 988ifndef NO_DEMANGLE 989 $(call feature_check,cxa-demangle) 990 ifeq ($(feature-cxa-demangle), 1) 991 EXTLIBS += -lstdc++ 992 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 993 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 994 $(call detected,CONFIG_CXX_DEMANGLE) 995 endif 996 ifdef BUILD_NONDISTRO 997 ifeq ($(filter -liberty,$(EXTLIBS)),) 998 $(call feature_check,cplus-demangle) 999 ifeq ($(feature-cplus-demangle), 1) 1000 EXTLIBS += -liberty 1001 endif 1002 endif 1003 ifneq ($(filter -liberty,$(EXTLIBS)),) 1004 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 1005 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 1006 endif 1007 endif 1008endif 1009 1010ifndef NO_LZMA 1011 ifeq ($(feature-lzma), 1) 1012 CFLAGS += -DHAVE_LZMA_SUPPORT 1013 EXTLIBS += -llzma 1014 $(call detected,CONFIG_LZMA) 1015 else 1016 $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev) 1017 NO_LZMA := 1 1018 endif 1019endif 1020 1021ifndef NO_LIBZSTD 1022 ifeq ($(feature-libzstd), 1) 1023 CFLAGS += -DHAVE_ZSTD_SUPPORT 1024 CFLAGS += $(LIBZSTD_CFLAGS) 1025 LDFLAGS += $(LIBZSTD_LDFLAGS) 1026 EXTLIBS += -lzstd 1027 $(call detected,CONFIG_ZSTD) 1028 else 1029 $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR) 1030 NO_LIBZSTD := 1 1031 endif 1032endif 1033 1034ifndef NO_LIBCAP 1035 ifeq ($(feature-libcap), 1) 1036 CFLAGS += -DHAVE_LIBCAP_SUPPORT 1037 EXTLIBS += -lcap 1038 $(call detected,CONFIG_LIBCAP) 1039 else 1040 $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev) 1041 NO_LIBCAP := 1 1042 endif 1043endif 1044 1045ifndef NO_BACKTRACE 1046 ifeq ($(feature-backtrace), 1) 1047 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 1048 endif 1049endif 1050 1051ifndef NO_LIBNUMA 1052 ifeq ($(feature-libnuma), 0) 1053 $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev) 1054 NO_LIBNUMA := 1 1055 else 1056 ifeq ($(feature-numa_num_possible_cpus), 0) 1057 $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8) 1058 NO_LIBNUMA := 1 1059 else 1060 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 1061 EXTLIBS += -lnuma 1062 $(call detected,CONFIG_NUMA) 1063 endif 1064 endif 1065endif 1066 1067ifdef HAVE_KVM_STAT_SUPPORT 1068 CFLAGS += -DHAVE_KVM_STAT_SUPPORT 1069endif 1070 1071ifeq ($(feature-disassembler-four-args), 1) 1072 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 1073endif 1074 1075ifeq ($(feature-disassembler-init-styled), 1) 1076 CFLAGS += -DDISASM_INIT_STYLED 1077endif 1078 1079ifeq (${IS_64_BIT}, 1) 1080 ifndef NO_PERF_READ_VDSO32 1081 $(call feature_check,compile-32) 1082 ifeq ($(feature-compile-32), 1) 1083 CFLAGS += -DHAVE_PERF_READ_VDSO32 1084 else 1085 NO_PERF_READ_VDSO32 := 1 1086 endif 1087 endif 1088 ifneq ($(SRCARCH), x86) 1089 NO_PERF_READ_VDSOX32 := 1 1090 endif 1091 ifndef NO_PERF_READ_VDSOX32 1092 $(call feature_check,compile-x32) 1093 ifeq ($(feature-compile-x32), 1) 1094 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1095 else 1096 NO_PERF_READ_VDSOX32 := 1 1097 endif 1098 endif 1099else 1100 NO_PERF_READ_VDSO32 := 1 1101 NO_PERF_READ_VDSOX32 := 1 1102endif 1103 1104ifndef NO_LIBBABELTRACE 1105 $(call feature_check,libbabeltrace) 1106 ifeq ($(feature-libbabeltrace), 1) 1107 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS) 1108 LDFLAGS += $(LIBBABELTRACE_LDFLAGS) 1109 EXTLIBS += -lbabeltrace-ctf 1110 $(call detected,CONFIG_LIBBABELTRACE) 1111 else 1112 $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev) 1113 endif 1114endif 1115 1116ifndef NO_CAPSTONE 1117 $(call feature_check,libcapstone) 1118 ifeq ($(feature-libcapstone), 1) 1119 CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LIBCAPSTONE_CFLAGS) 1120 LDFLAGS += $(LICAPSTONE_LDFLAGS) 1121 EXTLIBS += -lcapstone 1122 $(call detected,CONFIG_LIBCAPSTONE) 1123 else 1124 msg := $(warning No libcapstone found, disables disasm engine support for 'perf script', please install libcapstone-dev/capstone-devel); 1125 endif 1126endif 1127 1128ifndef NO_AUXTRACE 1129 ifeq ($(SRCARCH),x86) 1130 ifeq ($(feature-get_cpuid), 0) 1131 $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc) 1132 NO_AUXTRACE := 1 1133 endif 1134 endif 1135 ifndef NO_AUXTRACE 1136 $(call detected,CONFIG_AUXTRACE) 1137 CFLAGS += -DHAVE_AUXTRACE_SUPPORT 1138 ifeq ($(feature-reallocarray), 0) 1139 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 1140 endif 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 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