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 ($(NO_SYSCALL_TABLE),1) 32 NO_SYSCALL_TABLE := 1 33 34 # architectures that use the generic syscall table scripts 35 ifneq ($(filter $(SRCARCH), $(generic_syscall_table_archs)),) 36 NO_SYSCALL_TABLE := 0 37 CFLAGS += -DGENERIC_SYSCALL_TABLE 38 CFLAGS += -I$(OUTPUT)arch/$(SRCARCH)/include/generated 39 endif 40 41 ifneq ($(NO_SYSCALL_TABLE),1) 42 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT 43 endif 44endif 45 46# Additional ARCH settings for ppc 47ifeq ($(SRCARCH),powerpc) 48 ifndef NO_LIBUNWIND 49 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64 50 endif 51endif 52 53# Additional ARCH settings for x86 54ifeq ($(SRCARCH),x86) 55 $(call detected,CONFIG_X86) 56 ifeq (${IS_64_BIT}, 1) 57 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT 58 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S 59 ifndef NO_LIBUNWIND 60 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma 61 endif 62 $(call detected,CONFIG_X86_64) 63 else 64 ifndef NO_LIBUNWIND 65 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind 66 endif 67 endif 68endif 69 70ifeq ($(SRCARCH),arm) 71 ifndef NO_LIBUNWIND 72 LIBUNWIND_LIBS = -lunwind -lunwind-arm 73 endif 74endif 75 76ifeq ($(SRCARCH),arm64) 77 ifndef NO_LIBUNWIND 78 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64 79 endif 80endif 81 82ifeq ($(SRCARCH),loongarch) 83 ifndef NO_LIBUNWIND 84 LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64 85 endif 86endif 87 88ifeq ($(ARCH),s390) 89 CFLAGS += -fPIC 90endif 91 92ifeq ($(ARCH),mips) 93 ifndef NO_LIBUNWIND 94 LIBUNWIND_LIBS = -lunwind -lunwind-mips 95 endif 96endif 97 98# So far there's only x86 and arm libdw unwind support merged in perf. 99# Disable it on all other architectures in case libdw unwind 100# support is detected in system. Add supported architectures 101# to the check. 102ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv loongarch)) 103 NO_LIBDW_DWARF_UNWIND := 1 104endif 105 106ifneq ($(LIBUNWIND),1) 107 NO_LIBUNWIND := 1 108endif 109 110ifeq ($(LIBUNWIND_LIBS),) 111 NO_LIBUNWIND := 1 112endif 113# 114# For linking with debug library, run like: 115# 116# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/ 117# 118 119libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code)) 120define libunwind_arch_set_flags_code 121 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include 122 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib 123endef 124 125ifdef LIBUNWIND_DIR 126 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include 127 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib 128 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64 loongarch 129 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch))) 130endif 131 132ifndef NO_LIBUNWIND 133 # Set per-feature check compilation flags 134 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS) 135 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 136 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS) 137 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 138 139 FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm 140 FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64 141 FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86 142 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64 143endif 144 145FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto 146 147ifdef CSINCLUDES 148 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES) 149endif 150OPENCSDLIBS := -lopencsd_c_api -lopencsd 151ifeq ($(findstring -static,${LDFLAGS}),-static) 152 OPENCSDLIBS += -lstdc++ 153endif 154ifdef CSLIBS 155 LIBOPENCSD_LDFLAGS := -L$(CSLIBS) 156endif 157FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS) 158FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS) 159 160# for linking with debug library, run like: 161# make DEBUG=1 LIBDW_DIR=/opt/libdw/ 162ifdef LIBDW_DIR 163 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include 164 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib 165endif 166DWARFLIBS := -ldw 167ifeq ($(findstring -static,${LDFLAGS}),-static) 168 DWARFLIBS += -lelf -lz -llzma -lbz2 169 170 LIBDW_VERSION := $(shell $(PKG_CONFIG) --modversion libdw).0.0 171 LIBDW_VERSION_1 := $(word 1, $(subst ., ,$(LIBDW_VERSION))) 172 LIBDW_VERSION_2 := $(word 2, $(subst ., ,$(LIBDW_VERSION))) 173 174 # Elfutils merged libebl.a into libdw.a starting from version 0.177, 175 # Link libebl.a only if libdw is older than this version. 176 ifeq ($(shell test $(LIBDW_VERSION_2) -lt 177; echo $$?),0) 177 DWARFLIBS += -lebl 178 endif 179 180 # Must put -ldl after -lebl for dependency 181 DWARFLIBS += -ldl 182endif 183FEATURE_CHECK_CFLAGS-libdw := $(LIBDW_CFLAGS) 184FEATURE_CHECK_LDFLAGS-libdw := $(LIBDW_LDFLAGS) $(DWARFLIBS) 185 186# for linking with debug library, run like: 187# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/ 188ifdef LIBBABELTRACE_DIR 189 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include 190 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib 191endif 192FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS) 193FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf 194 195# for linking with debug library, run like: 196# make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/ 197ifdef LIBCAPSTONE_DIR 198 LIBCAPSTONE_CFLAGS := -I$(LIBCAPSTONE_DIR)/include 199 LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/ 200endif 201FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPSTONE_CFLAGS) 202FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPSTONE_LDFLAGS) -lcapstone 203 204ifdef LIBZSTD_DIR 205 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib 206 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib 207endif 208FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS) 209FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS) 210 211# for linking with debug library, run like: 212# make DEBUG=1 PKG_CONFIG_PATH=/opt/libtraceevent/(lib|lib64)/pkgconfig 213 214ifneq ($(NO_LIBTRACEEVENT),1) 215 ifeq ($(call get-executable,$(PKG_CONFIG)),) 216 $(error Error: $(PKG_CONFIG) needed by libtraceevent is missing on this system, please install it) 217 endif 218endif 219 220FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi 221# include ARCH specific config 222-include $(src-perf)/arch/$(SRCARCH)/Makefile 223 224include $(srctree)/tools/scripts/utilities.mak 225 226ifeq ($(call get-executable,$(FLEX)),) 227 $(error Error: $(FLEX) is missing on this system, please install it) 228endif 229 230ifeq ($(call get-executable,$(BISON)),) 231 $(error Error: $(BISON) is missing on this system, please install it) 232endif 233 234ifneq ($(OUTPUT),) 235 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1) 236 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)= 237 endif 238endif 239 240# Treat warnings as errors unless directed not to 241ifneq ($(WERROR),0) 242 CORE_CFLAGS += -Werror 243 CXXFLAGS += -Werror 244 HOSTCFLAGS += -Werror 245endif 246 247ifndef DEBUG 248 DEBUG := 0 249endif 250 251ifeq ($(DEBUG),0) 252CORE_CFLAGS += -DNDEBUG=1 253CORE_CFLAGS += -O3 254else 255 CORE_CFLAGS += -g 256 CXXFLAGS += -g 257endif 258 259ifdef PARSER_DEBUG 260 PARSER_DEBUG_BISON := -t 261 PARSER_DEBUG_FLEX := -d 262 CFLAGS += -DPARSER_DEBUG 263 $(call detected_var,PARSER_DEBUG_BISON) 264 $(call detected_var,PARSER_DEBUG_FLEX) 265endif 266 267ifdef LTO 268 CORE_CFLAGS += -flto 269 CXXFLAGS += -flto 270endif 271 272# Try different combinations to accommodate systems that only have 273# python[2][3]-config in weird combinations in the following order of 274# priority from lowest to highest: 275# * python2-config as per pep-0394. 276# * python-config 277# * python3-config 278# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't) 279# 280PYTHON_AUTO := python-config 281PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO)) 282PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO)) 283PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO)) 284 285# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user 286# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist. 287ifdef PYTHON 288 ifndef PYTHON_CONFIG 289 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config) 290 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\ 291 $(call $(error $(PYTHON)-config not found))) 292 endif 293endif 294 295# Select either auto detected python and python-config or use user supplied values if they are 296# defined. get-executable-or-default fails with an error if the first argument is supplied but 297# doesn't exist. 298override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO)) 299override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG))) 300 301grep-libs = $(filter -l%,$(1)) 302strip-libs = $(filter-out -l%,$(1)) 303 304PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG)) 305 306# Python 3.8 changed the output of `python-config --ldflags` to not include the 307# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for 308# libpython fails if that flag is not included in LDFLAGS 309ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0) 310 PYTHON_CONFIG_LDFLAGS := --ldflags --embed 311else 312 PYTHON_CONFIG_LDFLAGS := --ldflags 313endif 314 315ifdef PYTHON_CONFIG 316 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null) 317 # Update the python flags for cross compilation 318 ifdef CROSS_COMPILE 319 PYTHON_NATIVE := $(shell echo $(PYTHON_EMBED_LDOPTS) | sed 's/\(-L.*\/\)\(.*-linux-gnu\).*/\2/') 320 PYTHON_EMBED_LDOPTS := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EMBED_LDOPTS)) 321 endif 322 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS)) 323 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil 324 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null) 325 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS) 326 ifeq ($(CC_NO_CLANG), 0) 327 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS)) 328 endif 329endif 330 331FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS) 332FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS) 333 334FEATURE_CHECK_LDFLAGS-libaio = -lrt 335 336FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl 337FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl 338 339CORE_CFLAGS += -fno-omit-frame-pointer 340CORE_CFLAGS += -Wall 341CORE_CFLAGS += -Wextra 342CORE_CFLAGS += -std=gnu11 343 344CXXFLAGS += -std=gnu++17 -fno-exceptions -fno-rtti 345CXXFLAGS += -Wall 346CXXFLAGS += -Wextra 347CXXFLAGS += -fno-omit-frame-pointer 348 349HOSTCFLAGS += -Wall 350HOSTCFLAGS += -Wextra 351 352# Enforce a non-executable stack, as we may regress (again) in the future by 353# adding assembler files missing the .GNU-stack linker note. 354LDFLAGS += -Wl,-z,noexecstack 355 356EXTLIBS = -lpthread -lrt -lm -ldl 357 358ifneq ($(TCMALLOC),) 359 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free 360 EXTLIBS += -ltcmalloc 361endif 362 363ifeq ($(FEATURES_DUMP),) 364# We will display at the end of this Makefile.config, using $(call feature_display_entries) 365# As we may retry some feature detection here, see the disassembler-four-args case, for instance 366 FEATURE_DISPLAY_DEFERRED := 1 367include $(srctree)/tools/build/Makefile.feature 368else 369include $(FEATURES_DUMP) 370endif 371 372ifeq ($(feature-stackprotector-all), 1) 373 CORE_CFLAGS += -fstack-protector-all 374endif 375 376ifeq ($(DEBUG),0) 377 ifeq ($(feature-fortify-source), 1) 378 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 379 endif 380endif 381 382INC_FLAGS += -I$(src-perf)/util/include 383INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include 384INC_FLAGS += -I$(srctree)/tools/include/ 385INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi 386INC_FLAGS += -I$(srctree)/tools/include/uapi 387INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/ 388INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/ 389 390# $(obj-perf) for generated common-cmds.h 391# $(obj-perf)/util for generated bison/flex headers 392ifneq ($(OUTPUT),) 393INC_FLAGS += -I$(obj-perf)/util 394INC_FLAGS += -I$(obj-perf) 395endif 396 397INC_FLAGS += -I$(src-perf)/util 398INC_FLAGS += -I$(src-perf) 399 400CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE 401 402CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS) 403CXXFLAGS += $(INC_FLAGS) 404 405LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS) 406 407ifeq ($(feature-pthread-attr-setaffinity-np), 1) 408 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP 409endif 410 411ifeq ($(feature-pthread-barrier), 1) 412 CFLAGS += -DHAVE_PTHREAD_BARRIER 413endif 414 415ifndef NO_BIONIC 416 $(call feature_check,bionic) 417 ifeq ($(feature-bionic), 1) 418 BIONIC := 1 419 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE 420 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE 421 EXTLIBS := $(filter-out -lrt,$(EXTLIBS)) 422 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS)) 423 endif 424endif 425 426ifeq ($(feature-eventfd), 1) 427 CFLAGS += -DHAVE_EVENTFD_SUPPORT 428endif 429 430ifeq ($(feature-get_current_dir_name), 1) 431 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME 432endif 433 434ifeq ($(feature-gettid), 1) 435 CFLAGS += -DHAVE_GETTID 436endif 437 438ifeq ($(feature-file-handle), 1) 439 CFLAGS += -DHAVE_FILE_HANDLE 440endif 441 442ifdef NO_LIBELF 443 NO_LIBDW := 1 444 NO_LIBUNWIND := 1 445 NO_LIBDW_DWARF_UNWIND := 1 446 NO_LIBBPF := 1 447 NO_JVMTI := 1 448else 449 ifeq ($(feature-libelf), 0) 450 ifeq ($(feature-glibc), 1) 451 LIBC_SUPPORT := 1 452 endif 453 ifeq ($(BIONIC),1) 454 LIBC_SUPPORT := 1 455 endif 456 ifeq ($(LIBC_SUPPORT),1) 457 $(error ERROR: No libelf found. Disables 'probe' tool, jvmti and BPF support. Please install libelf-dev, libelf-devel, elfutils-libelf-devel or build with NO_LIBELF=1.) 458 else 459 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),) 460 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0) 461 $(error No libasan found, please install libasan) 462 endif 463 endif 464 465 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),) 466 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0) 467 $(error No libubsan found, please install libubsan) 468 endif 469 endif 470 471 ifneq ($(filter s% -static%,$(LDFLAGS),),) 472 $(error No static glibc found, please install glibc-static) 473 else 474 $(error No gnu/libc-version.h found, please install glibc-dev[el]) 475 endif 476 endif 477 else 478 ifneq ($(feature-libdw), 1) 479 ifndef NO_LIBDW 480 $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.157, disables dwarf support. Please install new elfutils-devel/libdw-dev) 481 NO_LIBDW := 1 482 endif 483 endif # Dwarf support 484 endif # libelf support 485endif # NO_LIBELF 486 487ifeq ($(feature-libaio), 1) 488 ifndef NO_AIO 489 CFLAGS += -DHAVE_AIO_SUPPORT 490 endif 491endif 492 493ifdef NO_LIBDW 494 NO_LIBDW_DWARF_UNWIND := 1 495endif 496 497ifeq ($(feature-scandirat), 1) 498 # Ignore having scandirat with memory sanitizer that lacks an interceptor. 499 ifeq ($(filter s% -fsanitize=memory%,$(EXTRA_CFLAGS),),) 500 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT 501 endif 502endif 503 504ifeq ($(feature-sched_getcpu), 1) 505 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT 506endif 507 508ifeq ($(feature-setns), 1) 509 CFLAGS += -DHAVE_SETNS_SUPPORT 510 $(call detected,CONFIG_SETNS) 511endif 512 513ifdef CORESIGHT 514 $(call feature_check,libopencsd) 515 ifeq ($(feature-libopencsd), 1) 516 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS) 517 ifeq ($(feature-reallocarray), 0) 518 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 519 endif 520 LDFLAGS += $(LIBOPENCSD_LDFLAGS) 521 EXTLIBS += $(OPENCSDLIBS) 522 $(call detected,CONFIG_LIBOPENCSD) 523 ifdef CSTRACE_RAW 524 CFLAGS += -DCS_DEBUG_RAW 525 ifeq (${CSTRACE_RAW}, packed) 526 CFLAGS += -DCS_RAW_PACKED 527 endif 528 endif 529 else 530 $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1) 531 endif 532endif 533 534ifndef NO_ZLIB 535 ifeq ($(feature-zlib), 1) 536 CFLAGS += -DHAVE_ZLIB_SUPPORT 537 EXTLIBS += -lz 538 $(call detected,CONFIG_ZLIB) 539 else 540 NO_ZLIB := 1 541 endif 542endif 543 544ifndef NO_LIBELF 545 CFLAGS += -DHAVE_LIBELF_SUPPORT 546 EXTLIBS += -lelf 547 $(call detected,CONFIG_LIBELF) 548 549 ifeq ($(feature-libelf-getphdrnum), 1) 550 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT 551 endif 552 553 ifeq ($(feature-libelf-gelf_getnote), 1) 554 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT 555 else 556 $(warning gelf_getnote() not found on libelf, SDT support disabled) 557 endif 558 559 ifeq ($(feature-libelf-getshdrstrndx), 1) 560 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT 561 endif 562 563 ifeq ($(feature-libelf-zstd), 1) 564 ifdef NO_LIBZSTD 565 $(error Error: libzstd is required by libelf, please do not set NO_LIBZSTD) 566 endif 567 endif 568 569 ifndef NO_LIBDEBUGINFOD 570 $(call feature_check,libdebuginfod) 571 ifeq ($(feature-libdebuginfod), 1) 572 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT 573 EXTLIBS += -ldebuginfod 574 endif 575 endif 576 577 ifndef NO_LIBDW 578 CFLAGS += -DHAVE_LIBDW_SUPPORT $(LIBDW_CFLAGS) 579 LDFLAGS += $(LIBDW_LDFLAGS) 580 EXTLIBS += ${DWARFLIBS} 581 $(call detected,CONFIG_LIBDW) 582 endif # NO_LIBDW 583 584 ifndef NO_LIBBPF 585 ifeq ($(feature-bpf), 1) 586 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status 587 $(call feature_check,libbpf) 588 589 ifdef LIBBPF_DYNAMIC 590 ifeq ($(feature-libbpf), 1) 591 EXTLIBS += -lbpf 592 CFLAGS += -DHAVE_LIBBPF_SUPPORT 593 $(call detected,CONFIG_LIBBPF) 594 $(call detected,CONFIG_LIBBPF_DYNAMIC) 595 else 596 $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel) 597 endif 598 else 599 ifeq ($(NO_ZLIB), 1) 600 $(warning Warning: Statically building libbpf not possible as zlib is missing) 601 NO_LIBBPF := 1 602 else 603 # Libbpf will be built as a static library from tools/lib/bpf. 604 LIBBPF_STATIC := 1 605 $(call detected,CONFIG_LIBBPF) 606 CFLAGS += -DHAVE_LIBBPF_SUPPORT 607 endif 608 endif 609 endif 610 endif # NO_LIBBPF 611endif # NO_LIBELF 612 613ifndef NO_SDT 614 ifneq ($(feature-sdt), 1) 615 $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev) 616 NO_SDT := 1; 617 else 618 CFLAGS += -DHAVE_SDT_EVENT 619 $(call detected,CONFIG_SDT_EVENT) 620 endif 621endif 622 623ifdef PERF_HAVE_JITDUMP 624 ifndef NO_LIBELF 625 $(call detected,CONFIG_JITDUMP) 626 CFLAGS += -DHAVE_JITDUMP 627 endif 628endif 629 630ifeq ($(SRCARCH),powerpc) 631 ifndef NO_LIBDW 632 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX 633 endif 634endif 635 636ifndef NO_LIBUNWIND 637 have_libunwind := 638 639 $(call feature_check,libunwind-x86) 640 ifeq ($(feature-libunwind-x86), 1) 641 $(call detected,CONFIG_LIBUNWIND_X86) 642 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT 643 LDFLAGS += -lunwind-x86 644 EXTLIBS_LIBUNWIND += -lunwind-x86 645 have_libunwind = 1 646 endif 647 648 $(call feature_check,libunwind-aarch64) 649 ifeq ($(feature-libunwind-aarch64), 1) 650 $(call detected,CONFIG_LIBUNWIND_AARCH64) 651 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT 652 LDFLAGS += -lunwind-aarch64 653 EXTLIBS_LIBUNWIND += -lunwind-aarch64 654 have_libunwind = 1 655 $(call feature_check,libunwind-debug-frame-aarch64) 656 ifneq ($(feature-libunwind-debug-frame-aarch64), 1) 657 $(warning No debug_frame support found in libunwind-aarch64) 658 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64 659 endif 660 endif 661 662 ifneq ($(feature-libunwind), 1) 663 $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR) 664 NO_LOCAL_LIBUNWIND := 1 665 else 666 have_libunwind := 1 667 $(call detected,CONFIG_LOCAL_LIBUNWIND) 668 endif 669 670 ifneq ($(have_libunwind), 1) 671 NO_LIBUNWIND := 1 672 endif 673else 674 NO_LOCAL_LIBUNWIND := 1 675endif 676 677ifndef NO_LIBBPF 678 ifneq ($(feature-bpf), 1) 679 $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) 680 NO_LIBBPF := 1 681 endif 682endif 683 684ifndef BUILD_BPF_SKEL 685 # BPF skeletons control a large number of perf features, by default 686 # they are enabled. 687 BUILD_BPF_SKEL := 1 688endif 689 690ifeq ($(BUILD_BPF_SKEL),1) 691 ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),) 692 $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool) 693 BUILD_BPF_SKEL := 0 694 else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),) 695 $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool) 696 BUILD_BPF_SKEL := 0 697 else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) 698 $(warning Warning: Disabled BPF skeletons as libbpf is required) 699 BUILD_BPF_SKEL := 0 700 else ifeq ($(call get-executable,$(CLANG)),) 701 $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing) 702 BUILD_BPF_SKEL := 0 703 else 704 CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g') 705 ifeq ($(call version-lt3,$(CLANG_VERSION),12.0.1),1) 706 $(warning Warning: Disabled BPF skeletons as reliable BTF generation needs at least $(CLANG) version 12.0.1) 707 BUILD_BPF_SKEL := 0 708 endif 709 endif 710 ifeq ($(BUILD_BPF_SKEL),1) 711 $(call feature_check,clang-bpf-co-re) 712 ifeq ($(feature-clang-bpf-co-re), 0) 713 $(warning Warning: Disabled BPF skeletons as clang is too old) 714 BUILD_BPF_SKEL := 0 715 endif 716 endif 717 ifeq ($(BUILD_BPF_SKEL),1) 718 $(call detected,CONFIG_PERF_BPF_SKEL) 719 CFLAGS += -DHAVE_BPF_SKEL 720 endif 721endif 722 723ifndef GEN_VMLINUX_H 724 VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h 725endif 726 727dwarf-post-unwind := 1 728dwarf-post-unwind-text := BUG 729 730# setup DWARF post unwinder 731ifdef NO_LIBUNWIND 732 ifdef NO_LIBDW_DWARF_UNWIND 733 $(warning Disabling post unwind, no support found.) 734 dwarf-post-unwind := 0 735 else 736 dwarf-post-unwind-text := libdw 737 $(call detected,CONFIG_LIBDW_DWARF_UNWIND) 738 endif 739else 740 dwarf-post-unwind-text := libunwind 741 $(call detected,CONFIG_LIBUNWIND) 742 # Enable libunwind support by default. 743 ifndef NO_LIBDW_DWARF_UNWIND 744 NO_LIBDW_DWARF_UNWIND := 1 745 endif 746endif 747 748ifeq ($(dwarf-post-unwind),1) 749 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT 750 $(call detected,CONFIG_DWARF_UNWIND) 751endif 752 753ifndef NO_LIBUNWIND 754 ifndef NO_LOCAL_LIBUNWIND 755 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64)) 756 $(call feature_check,libunwind-debug-frame) 757 ifneq ($(feature-libunwind-debug-frame), 1) 758 $(warning No debug_frame support found in libunwind) 759 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 760 endif 761 else 762 # non-ARM has no dwarf_find_debug_frame() function: 763 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 764 endif 765 EXTLIBS += $(LIBUNWIND_LIBS) 766 LDFLAGS += $(LIBUNWIND_LIBS) 767 endif 768 ifeq ($(findstring -static,${LDFLAGS}),-static) 769 # gcc -static links libgcc_eh which contans piece of libunwind 770 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition 771 endif 772 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT 773 CFLAGS += $(LIBUNWIND_CFLAGS) 774 LDFLAGS += $(LIBUNWIND_LDFLAGS) 775 EXTLIBS += $(EXTLIBS_LIBUNWIND) 776endif 777 778ifneq ($(NO_LIBTRACEEVENT),1) 779 ifeq ($(NO_SYSCALL_TABLE),0) 780 $(call detected,CONFIG_TRACE) 781 else 782 ifndef NO_LIBAUDIT 783 $(call feature_check,libaudit) 784 ifneq ($(feature-libaudit), 1) 785 $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev) 786 NO_LIBAUDIT := 1 787 else 788 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT 789 EXTLIBS += -laudit 790 $(call detected,CONFIG_TRACE) 791 endif 792 endif 793 endif 794endif 795 796ifndef NO_LIBCRYPTO 797 ifneq ($(feature-libcrypto), 1) 798 $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev) 799 NO_LIBCRYPTO := 1 800 else 801 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT 802 EXTLIBS += -lcrypto 803 $(call detected,CONFIG_CRYPTO) 804 endif 805endif 806 807ifndef NO_SLANG 808 ifneq ($(feature-libslang), 1) 809 ifneq ($(feature-libslang-include-subdir), 1) 810 $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev) 811 NO_SLANG := 1 812 else 813 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR 814 endif 815 endif 816 ifndef NO_SLANG 817 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h 818 CFLAGS += -DHAVE_SLANG_SUPPORT 819 EXTLIBS += -lslang 820 $(call detected,CONFIG_SLANG) 821 endif 822endif 823 824ifdef GTK2 825 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) 826 $(call feature_check,gtk2) 827 ifneq ($(feature-gtk2), 1) 828 $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev) 829 NO_GTK2 := 1 830 else 831 $(call feature_check,gtk2-infobar) 832 ifeq ($(feature-gtk2-infobar), 1) 833 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT 834 endif 835 CFLAGS += -DHAVE_GTK2_SUPPORT 836 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) 837 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) 838 EXTLIBS += -ldl 839 endif 840endif 841 842ifdef NO_LIBPERL 843 CFLAGS += -DNO_LIBPERL 844else 845 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) 846 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) 847 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) 848 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) 849 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) 850 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) 851 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 852 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) 853 854 ifneq ($(feature-libperl), 1) 855 CFLAGS += -DNO_LIBPERL 856 NO_LIBPERL := 1 857 $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev) 858 else 859 LDFLAGS += $(PERL_EMBED_LDFLAGS) 860 EXTLIBS += $(PERL_EMBED_LIBADD) 861 CFLAGS += -DHAVE_LIBPERL_SUPPORT 862 ifeq ($(CC_NO_CLANG), 0) 863 CFLAGS += -Wno-compound-token-split-by-macro 864 endif 865 $(call detected,CONFIG_LIBPERL) 866 endif 867endif 868 869ifeq ($(feature-timerfd), 1) 870 CFLAGS += -DHAVE_TIMERFD_SUPPORT 871else 872 $(warning No timerfd support. Disables 'perf kvm stat live') 873endif 874 875disable-python = $(eval $(disable-python_code)) 876define disable-python_code 877 CFLAGS += -DNO_LIBPYTHON 878 $(warning $1) 879 NO_LIBPYTHON := 1 880endef 881 882PYTHON_EXTENSION_SUFFIX := '.so' 883ifdef NO_LIBPYTHON 884 $(call disable-python,Python support disabled by user) 885else 886 887 ifndef PYTHON 888 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev) 889 else 890 PYTHON_WORD := $(call shell-wordify,$(PYTHON)) 891 892 ifndef PYTHON_CONFIG 893 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) 894 else 895 896 ifneq ($(feature-libpython), 1) 897 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev) 898 else 899 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 900 EXTLIBS += $(PYTHON_EMBED_LIBADD) 901 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no") 902 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes) 903 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])') 904 ifdef CROSS_COMPILE 905 PYTHON_EXTENSION_SUFFIX := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EXTENSION_SUFFIX)) 906 endif 907 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX) 908 else 909 $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent) 910 endif 911 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT 912 $(call detected,CONFIG_LIBPYTHON) 913 ifeq ($(filter -fPIC,$(CFLAGS)),) 914 # Building a shared library requires position independent code. 915 CFLAGS += -fPIC 916 CXXFLAGS += -fPIC 917 endif 918 endif 919 endif 920 endif 921endif 922 923ifneq ($(NO_JEVENTS),1) 924 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),) 925 NO_JEVENTS := 1 926 endif 927endif 928ifneq ($(NO_JEVENTS),1) 929 NO_JEVENTS := 0 930 ifndef PYTHON 931 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.) 932 else 933 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016. 934 JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null) 935 ifneq ($(JEVENTS_PYTHON_GOOD), 1) 936 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.) 937 endif 938 endif 939endif 940 941ifdef BUILD_NONDISTRO 942 ifeq ($(feature-libbfd), 1) 943 EXTLIBS += -lbfd -lopcodes 944 else 945 # we are on a system that requires -liberty and (maybe) -lz 946 # to link against -lbfd; test each case individually here 947 948 # call all detections now so we get correct 949 # status in VF output 950 $(call feature_check,libbfd-liberty) 951 $(call feature_check,libbfd-liberty-z) 952 953 ifeq ($(feature-libbfd-liberty), 1) 954 EXTLIBS += -lbfd -lopcodes -liberty 955 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl 956 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl 957 else 958 ifeq ($(feature-libbfd-liberty-z), 1) 959 EXTLIBS += -lbfd -lopcodes -liberty -lz 960 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl 961 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl 962 endif 963 endif 964 $(call feature_check,disassembler-four-args) 965 $(call feature_check,disassembler-init-styled) 966 endif 967 968 CFLAGS += -DHAVE_LIBBFD_SUPPORT 969 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT 970 ifeq ($(feature-libbfd-buildid), 1) 971 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT 972 else 973 $(warning Old version of libbfd/binutils things like PE executable profiling will not be available) 974 endif 975endif 976 977ifndef NO_LIBLLVM 978 $(call feature_check,llvm-perf) 979 ifeq ($(feature-llvm-perf), 1) 980 CFLAGS += -DHAVE_LIBLLVM_SUPPORT 981 CFLAGS += $(shell $(LLVM_CONFIG) --cflags) 982 CXXFLAGS += -DHAVE_LIBLLVM_SUPPORT 983 CXXFLAGS += $(shell $(LLVM_CONFIG) --cxxflags) 984 LIBLLVM = $(shell $(LLVM_CONFIG) --libs all) $(shell $(LLVM_CONFIG) --system-libs) 985 EXTLIBS += -L$(shell $(LLVM_CONFIG) --libdir) $(LIBLLVM) 986 EXTLIBS += -lstdc++ 987 $(call detected,CONFIG_LIBLLVM) 988 else 989 $(warning No libllvm 13+ found, slower source file resolution, please install llvm-devel/llvm-dev) 990 NO_LIBLLVM := 1 991 endif 992endif 993 994ifndef NO_DEMANGLE 995 $(call feature_check,cxa-demangle) 996 ifeq ($(feature-cxa-demangle), 1) 997 EXTLIBS += -lstdc++ 998 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 999 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 1000 $(call detected,CONFIG_CXX_DEMANGLE) 1001 endif 1002 ifdef BUILD_NONDISTRO 1003 ifeq ($(filter -liberty,$(EXTLIBS)),) 1004 $(call feature_check,cplus-demangle) 1005 ifeq ($(feature-cplus-demangle), 1) 1006 EXTLIBS += -liberty 1007 endif 1008 endif 1009 ifneq ($(filter -liberty,$(EXTLIBS)),) 1010 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 1011 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 1012 endif 1013 endif 1014endif 1015 1016ifndef NO_LZMA 1017 ifeq ($(feature-lzma), 1) 1018 CFLAGS += -DHAVE_LZMA_SUPPORT 1019 EXTLIBS += -llzma 1020 $(call detected,CONFIG_LZMA) 1021 else 1022 $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev) 1023 NO_LZMA := 1 1024 endif 1025endif 1026 1027ifndef NO_LIBZSTD 1028 ifeq ($(feature-libzstd), 1) 1029 CFLAGS += -DHAVE_ZSTD_SUPPORT 1030 CFLAGS += $(LIBZSTD_CFLAGS) 1031 LDFLAGS += $(LIBZSTD_LDFLAGS) 1032 EXTLIBS += -lzstd 1033 $(call detected,CONFIG_ZSTD) 1034 else 1035 $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR) 1036 NO_LIBZSTD := 1 1037 endif 1038endif 1039 1040ifndef NO_BACKTRACE 1041 ifeq ($(feature-backtrace), 1) 1042 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 1043 endif 1044endif 1045 1046ifndef NO_LIBNUMA 1047 ifeq ($(feature-libnuma), 0) 1048 $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev) 1049 NO_LIBNUMA := 1 1050 else 1051 ifeq ($(feature-numa_num_possible_cpus), 0) 1052 $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8) 1053 NO_LIBNUMA := 1 1054 else 1055 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 1056 EXTLIBS += -lnuma 1057 $(call detected,CONFIG_NUMA) 1058 endif 1059 endif 1060endif 1061 1062ifdef HAVE_KVM_STAT_SUPPORT 1063 CFLAGS += -DHAVE_KVM_STAT_SUPPORT 1064endif 1065 1066ifeq ($(feature-disassembler-four-args), 1) 1067 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 1068endif 1069 1070ifeq ($(feature-disassembler-init-styled), 1) 1071 CFLAGS += -DDISASM_INIT_STYLED 1072endif 1073 1074ifeq (${IS_64_BIT}, 1) 1075 ifndef NO_PERF_READ_VDSO32 1076 $(call feature_check,compile-32) 1077 ifeq ($(feature-compile-32), 1) 1078 CFLAGS += -DHAVE_PERF_READ_VDSO32 1079 else 1080 NO_PERF_READ_VDSO32 := 1 1081 endif 1082 endif 1083 ifneq ($(SRCARCH), x86) 1084 NO_PERF_READ_VDSOX32 := 1 1085 endif 1086 ifndef NO_PERF_READ_VDSOX32 1087 $(call feature_check,compile-x32) 1088 ifeq ($(feature-compile-x32), 1) 1089 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1090 else 1091 NO_PERF_READ_VDSOX32 := 1 1092 endif 1093 endif 1094else 1095 NO_PERF_READ_VDSO32 := 1 1096 NO_PERF_READ_VDSOX32 := 1 1097endif 1098 1099ifndef NO_LIBBABELTRACE 1100 $(call feature_check,libbabeltrace) 1101 ifeq ($(feature-libbabeltrace), 1) 1102 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS) 1103 LDFLAGS += $(LIBBABELTRACE_LDFLAGS) 1104 EXTLIBS += -lbabeltrace-ctf 1105 $(call detected,CONFIG_LIBBABELTRACE) 1106 else 1107 $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev) 1108 endif 1109endif 1110 1111ifndef NO_CAPSTONE 1112 $(call feature_check,libcapstone) 1113 ifeq ($(feature-libcapstone), 1) 1114 CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LIBCAPSTONE_CFLAGS) 1115 LDFLAGS += $(LICAPSTONE_LDFLAGS) 1116 EXTLIBS += -lcapstone 1117 $(call detected,CONFIG_LIBCAPSTONE) 1118 else 1119 msg := $(warning No libcapstone found, disables disasm engine support for 'perf script', please install libcapstone-dev/capstone-devel); 1120 endif 1121endif 1122 1123ifndef NO_AUXTRACE 1124 ifeq ($(SRCARCH),x86) 1125 ifeq ($(feature-get_cpuid), 0) 1126 $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc) 1127 NO_AUXTRACE := 1 1128 endif 1129 endif 1130 ifndef NO_AUXTRACE 1131 $(call detected,CONFIG_AUXTRACE) 1132 CFLAGS += -DHAVE_AUXTRACE_SUPPORT 1133 ifeq ($(feature-reallocarray), 0) 1134 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 1135 endif 1136 endif 1137endif 1138 1139ifdef EXTRA_TESTS 1140 $(call detected,CONFIG_EXTRA_TESTS) 1141 CFLAGS += -DHAVE_EXTRA_TESTS 1142endif 1143 1144ifndef NO_JVMTI 1145 ifneq (,$(wildcard /usr/sbin/update-java-alternatives)) 1146 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}') 1147 else 1148 ifneq (,$(wildcard /usr/sbin/alternatives)) 1149 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g') 1150 endif 1151 endif 1152 ifndef JDIR 1153 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory) 1154 NO_JVMTI := 1 1155 endif 1156endif 1157 1158ifndef NO_JVMTI 1159 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux 1160 $(call feature_check,jvmti) 1161 ifeq ($(feature-jvmti), 1) 1162 $(call detected_var,JDIR) 1163 ifndef NO_JVMTI_CMLR 1164 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti) 1165 $(call feature_check,jvmti-cmlr) 1166 ifeq ($(feature-jvmti-cmlr), 1) 1167 CFLAGS += -DHAVE_JVMTI_CMLR 1168 endif 1169 endif # NO_JVMTI_CMLR 1170 else 1171 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel) 1172 NO_JVMTI := 1 1173 endif 1174endif 1175 1176ifndef NO_LIBPFM4 1177 $(call feature_check,libpfm4) 1178 ifeq ($(feature-libpfm4), 1) 1179 CFLAGS += -DHAVE_LIBPFM 1180 EXTLIBS += -lpfm 1181 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 1182 $(call detected,CONFIG_LIBPFM4) 1183 else 1184 $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev) 1185 endif 1186endif 1187 1188# libtraceevent is a recommended dependency picked up from the system. 1189ifneq ($(NO_LIBTRACEEVENT),1) 1190 ifeq ($(feature-libtraceevent), 1) 1191 CFLAGS += -DHAVE_LIBTRACEEVENT $(shell $(PKG_CONFIG) --cflags libtraceevent) 1192 LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtraceevent) 1193 EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtraceevent) 1194 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent).0.0 1195 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1196 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1197 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION))) 1198 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3)) 1199 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP) 1200 $(call detected,CONFIG_LIBTRACEEVENT) 1201 else 1202 $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel and/or set LIBTRACEEVENT_DIR or build with NO_LIBTRACEEVENT=1) 1203 endif 1204 1205 ifeq ($(feature-libtracefs), 1) 1206 CFLAGS += $(shell $(PKG_CONFIG) --cflags libtracefs) 1207 LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtracefs) 1208 EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtracefs) 1209 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs).0.0 1210 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION))) 1211 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION))) 1212 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION))) 1213 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3)) 1214 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP) 1215 else 1216 $(warning libtracefs is missing. Please install libtracefs-dev/libtracefs-devel) 1217 endif 1218endif 1219 1220# Among the variables below, these: 1221# perfexecdir 1222# libbpf_include_dir 1223# perf_examples_dir 1224# template_dir 1225# mandir 1226# infodir 1227# htmldir 1228# ETC_PERFCONFIG (but not sysconfdir) 1229# can be specified as a relative path some/where/else; 1230# this is interpreted as relative to $(prefix) and "perf" at 1231# runtime figures out where they are based on the path to the executable. 1232# This can help installing the suite in a relocatable way. 1233 1234# Make the path relative to DESTDIR, not to prefix 1235ifndef DESTDIR 1236prefix ?= $(HOME) 1237endif 1238bindir_relative = bin 1239bindir = $(abspath $(prefix)/$(bindir_relative)) 1240includedir_relative = include 1241includedir = $(abspath $(prefix)/$(includedir_relative)) 1242mandir = share/man 1243infodir = share/info 1244perfexecdir = libexec/perf-core 1245# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance 1246libbpf_include_dir = /usr/include 1247perf_examples_dir = lib/perf/examples 1248sharedir = $(prefix)/share 1249template_dir = share/perf-core/templates 1250STRACE_GROUPS_DIR = share/perf-core/strace/groups 1251htmldir = share/doc/perf-doc 1252tipdir = share/doc/perf-tip 1253srcdir = $(srctree)/tools/perf 1254ifeq ($(prefix),/usr) 1255sysconfdir = /etc 1256ETC_PERFCONFIG = $(sysconfdir)/perfconfig 1257else 1258sysconfdir = $(prefix)/etc 1259ETC_PERFCONFIG = etc/perfconfig 1260endif 1261ifndef lib 1262ifeq ($(SRCARCH)$(IS_64_BIT), x861) 1263lib = lib64 1264else 1265lib = lib 1266endif 1267endif # lib 1268libdir = $(prefix)/$(lib) 1269 1270# Shell quote (do not use $(call) to accommodate ancient setups); 1271ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) 1272STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR)) 1273DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) 1274bindir_SQ = $(subst ','\'',$(bindir)) 1275includedir_SQ = $(subst ','\'',$(includedir)) 1276mandir_SQ = $(subst ','\'',$(mandir)) 1277infodir_SQ = $(subst ','\'',$(infodir)) 1278perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) 1279libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir)) 1280perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir)) 1281template_dir_SQ = $(subst ','\'',$(template_dir)) 1282htmldir_SQ = $(subst ','\'',$(htmldir)) 1283tipdir_SQ = $(subst ','\'',$(tipdir)) 1284prefix_SQ = $(subst ','\'',$(prefix)) 1285sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) 1286libdir_SQ = $(subst ','\'',$(libdir)) 1287srcdir_SQ = $(subst ','\'',$(srcdir)) 1288 1289ifneq ($(filter /%,$(firstword $(perfexecdir))),) 1290perfexec_instdir = $(perfexecdir) 1291perf_include_instdir = $(libbpf_include_dir) 1292perf_examples_instdir = $(perf_examples_dir) 1293STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) 1294tip_instdir = $(tipdir) 1295else 1296perfexec_instdir = $(prefix)/$(perfexecdir) 1297perf_include_instdir = $(prefix)/$(libbpf_include_dir) 1298perf_examples_instdir = $(prefix)/$(perf_examples_dir) 1299STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) 1300tip_instdir = $(prefix)/$(tipdir) 1301endif 1302perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) 1303perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir)) 1304perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir)) 1305STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) 1306tip_instdir_SQ = $(subst ','\'',$(tip_instdir)) 1307 1308export perfexec_instdir_SQ 1309 1310print_var = $(eval $(print_var_code)) $(info $(MSG)) 1311define print_var_code 1312 MSG = $(shell printf '...%40s: %s' $(1) $($(1))) 1313endef 1314 1315ifeq ($(feature_display),1) 1316 $(call feature_display_entries) 1317endif 1318 1319ifeq ($(VF),1) 1320 # Display EXTRA features which are detected manualy 1321 # from here with feature_check call and thus cannot 1322 # be partof global state output. 1323 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG))) 1324 $(call print_var,prefix) 1325 $(call print_var,bindir) 1326 $(call print_var,libdir) 1327 $(call print_var,sysconfdir) 1328 $(call print_var,LIBUNWIND_DIR) 1329 $(call print_var,LIBDW_DIR) 1330 $(call print_var,JDIR) 1331 1332 ifeq ($(dwarf-post-unwind),1) 1333 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG)) 1334 endif 1335endif 1336 1337$(info ) 1338 1339$(call detected_var,bindir_SQ) 1340$(call detected_var,PYTHON_WORD) 1341ifneq ($(OUTPUT),) 1342$(call detected_var,OUTPUT) 1343endif 1344$(call detected_var,htmldir_SQ) 1345$(call detected_var,infodir_SQ) 1346$(call detected_var,mandir_SQ) 1347$(call detected_var,ETC_PERFCONFIG_SQ) 1348$(call detected_var,STRACE_GROUPS_DIR_SQ) 1349$(call detected_var,prefix_SQ) 1350$(call detected_var,perfexecdir_SQ) 1351$(call detected_var,libbpf_include_dir_SQ) 1352$(call detected_var,perf_examples_dir_SQ) 1353$(call detected_var,tipdir_SQ) 1354$(call detected_var,srcdir_SQ) 1355$(call detected_var,LIBDIR) 1356$(call detected_var,GTK_CFLAGS) 1357$(call detected_var,PERL_EMBED_CCOPTS) 1358$(call detected_var,PYTHON_EMBED_CCOPTS) 1359ifneq ($(BISON_FILE_PREFIX_MAP),) 1360$(call detected_var,BISON_FILE_PREFIX_MAP) 1361endif 1362 1363# re-generate FEATURE-DUMP as we may have called feature_check, found out 1364# extra libraries to add to LDFLAGS of some other test and then redo those 1365# tests, see the block about libbfd, disassembler-four-args, for instance. 1366$(shell rm -f $(FEATURE_DUMP_FILENAME)) 1367$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) 1368