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 $(SRCARCH),powerpc s390 mips)) 35 NO_SYSCALL_TABLE := 0 36 endif 37 38 # architectures that use the generic syscall table scripts 39 ifneq ($(filter $(SRCARCH), $(generic_syscall_table_archs)),) 40 NO_SYSCALL_TABLE := 0 41 CFLAGS += -DGENERIC_SYSCALL_TABLE 42 CFLAGS += -I$(OUTPUT)arch/$(SRCARCH)/include/generated 43 endif 44 45 ifneq ($(NO_SYSCALL_TABLE),1) 46 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT 47 endif 48endif 49 50# Additional ARCH settings for ppc 51ifeq ($(SRCARCH),powerpc) 52 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated 53 ifndef NO_LIBUNWIND 54 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64 55 endif 56endif 57 58# Additional ARCH settings for x86 59ifeq ($(SRCARCH),x86) 60 $(call detected,CONFIG_X86) 61 ifeq (${IS_64_BIT}, 1) 62 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT 63 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S 64 ifndef NO_LIBUNWIND 65 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma 66 endif 67 $(call detected,CONFIG_X86_64) 68 else 69 ifndef NO_LIBUNWIND 70 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind 71 endif 72 endif 73endif 74 75ifeq ($(SRCARCH),arm) 76 ifndef NO_LIBUNWIND 77 LIBUNWIND_LIBS = -lunwind -lunwind-arm 78 endif 79endif 80 81ifeq ($(SRCARCH),arm64) 82 ifndef NO_LIBUNWIND 83 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64 84 endif 85endif 86 87ifeq ($(SRCARCH),loongarch) 88 ifndef NO_LIBUNWIND 89 LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64 90 endif 91endif 92 93ifeq ($(ARCH),s390) 94 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated 95endif 96 97ifeq ($(ARCH),mips) 98 CFLAGS += -I$(OUTPUT)arch/mips/include/generated 99 ifndef NO_LIBUNWIND 100 LIBUNWIND_LIBS = -lunwind -lunwind-mips 101 endif 102endif 103 104# So far there's only x86 and arm libdw unwind support merged in perf. 105# Disable it on all other architectures in case libdw unwind 106# support is detected in system. Add supported architectures 107# to the check. 108ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv loongarch)) 109 NO_LIBDW_DWARF_UNWIND := 1 110endif 111 112ifneq ($(LIBUNWIND),1) 113 NO_LIBUNWIND := 1 114endif 115 116ifeq ($(LIBUNWIND_LIBS),) 117 NO_LIBUNWIND := 1 118endif 119# 120# For linking with debug library, run like: 121# 122# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/ 123# 124 125libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code)) 126define libunwind_arch_set_flags_code 127 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include 128 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib 129endef 130 131ifdef LIBUNWIND_DIR 132 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include 133 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib 134 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64 loongarch 135 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch))) 136endif 137 138ifndef NO_LIBUNWIND 139 # Set per-feature check compilation flags 140 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS) 141 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 142 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS) 143 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) 144 145 FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm 146 FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64 147 FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86 148 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64 149endif 150 151FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto 152 153ifdef CSINCLUDES 154 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES) 155endif 156OPENCSDLIBS := -lopencsd_c_api -lopencsd 157ifeq ($(findstring -static,${LDFLAGS}),-static) 158 OPENCSDLIBS += -lstdc++ 159endif 160ifdef CSLIBS 161 LIBOPENCSD_LDFLAGS := -L$(CSLIBS) 162endif 163FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS) 164FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS) 165 166# for linking with debug library, run like: 167# make DEBUG=1 LIBDW_DIR=/opt/libdw/ 168ifdef LIBDW_DIR 169 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include 170 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib 171endif 172DWARFLIBS := -ldw 173ifeq ($(findstring -static,${LDFLAGS}),-static) 174 DWARFLIBS += -lelf -lz -llzma -lbz2 175 176 LIBDW_VERSION := $(shell $(PKG_CONFIG) --modversion libdw).0.0 177 LIBDW_VERSION_1 := $(word 1, $(subst ., ,$(LIBDW_VERSION))) 178 LIBDW_VERSION_2 := $(word 2, $(subst ., ,$(LIBDW_VERSION))) 179 180 # Elfutils merged libebl.a into libdw.a starting from version 0.177, 181 # Link libebl.a only if libdw is older than this version. 182 ifeq ($(shell test $(LIBDW_VERSION_2) -lt 177; echo $$?),0) 183 DWARFLIBS += -lebl 184 endif 185 186 # Must put -ldl after -lebl for dependency 187 DWARFLIBS += -ldl 188endif 189FEATURE_CHECK_CFLAGS-libdw := $(LIBDW_CFLAGS) 190FEATURE_CHECK_LDFLAGS-libdw := $(LIBDW_LDFLAGS) $(DWARFLIBS) 191 192# for linking with debug library, run like: 193# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/ 194ifdef LIBBABELTRACE_DIR 195 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include 196 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib 197endif 198FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS) 199FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf 200 201# for linking with debug library, run like: 202# make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/ 203ifdef LIBCAPSTONE_DIR 204 LIBCAPSTONE_CFLAGS := -I$(LIBCAPSTONE_DIR)/include 205 LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/ 206endif 207FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPSTONE_CFLAGS) 208FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPSTONE_LDFLAGS) -lcapstone 209 210ifdef LIBZSTD_DIR 211 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib 212 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib 213endif 214FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS) 215FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS) 216 217# for linking with debug library, run like: 218# make DEBUG=1 PKG_CONFIG_PATH=/opt/libtraceevent/(lib|lib64)/pkgconfig 219 220ifneq ($(NO_LIBTRACEEVENT),1) 221 ifeq ($(call get-executable,$(PKG_CONFIG)),) 222 $(error Error: $(PKG_CONFIG) needed by libtraceevent is missing on this system, please install it) 223 endif 224endif 225 226FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi 227# include ARCH specific config 228-include $(src-perf)/arch/$(SRCARCH)/Makefile 229 230include $(srctree)/tools/scripts/utilities.mak 231 232ifeq ($(call get-executable,$(FLEX)),) 233 $(error Error: $(FLEX) is missing on this system, please install it) 234endif 235 236ifeq ($(call get-executable,$(BISON)),) 237 $(error Error: $(BISON) is missing on this system, please install it) 238endif 239 240ifneq ($(OUTPUT),) 241 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1) 242 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)= 243 endif 244endif 245 246# Treat warnings as errors unless directed not to 247ifneq ($(WERROR),0) 248 CORE_CFLAGS += -Werror 249 CXXFLAGS += -Werror 250 HOSTCFLAGS += -Werror 251endif 252 253ifndef DEBUG 254 DEBUG := 0 255endif 256 257ifeq ($(DEBUG),0) 258CORE_CFLAGS += -DNDEBUG=1 259CORE_CFLAGS += -O3 260else 261 CORE_CFLAGS += -g 262 CXXFLAGS += -g 263endif 264 265ifdef PARSER_DEBUG 266 PARSER_DEBUG_BISON := -t 267 PARSER_DEBUG_FLEX := -d 268 CFLAGS += -DPARSER_DEBUG 269 $(call detected_var,PARSER_DEBUG_BISON) 270 $(call detected_var,PARSER_DEBUG_FLEX) 271endif 272 273ifdef LTO 274 CORE_CFLAGS += -flto 275 CXXFLAGS += -flto 276endif 277 278# Try different combinations to accommodate systems that only have 279# python[2][3]-config in weird combinations in the following order of 280# priority from lowest to highest: 281# * python2-config as per pep-0394. 282# * python-config 283# * python3-config 284# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't) 285# 286PYTHON_AUTO := python-config 287PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO)) 288PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO)) 289PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO)) 290 291# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user 292# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist. 293ifdef PYTHON 294 ifndef PYTHON_CONFIG 295 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config) 296 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\ 297 $(call $(error $(PYTHON)-config not found))) 298 endif 299endif 300 301# Select either auto detected python and python-config or use user supplied values if they are 302# defined. get-executable-or-default fails with an error if the first argument is supplied but 303# doesn't exist. 304override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO)) 305override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG))) 306 307grep-libs = $(filter -l%,$(1)) 308strip-libs = $(filter-out -l%,$(1)) 309 310PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG)) 311 312# Python 3.8 changed the output of `python-config --ldflags` to not include the 313# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for 314# libpython fails if that flag is not included in LDFLAGS 315ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0) 316 PYTHON_CONFIG_LDFLAGS := --ldflags --embed 317else 318 PYTHON_CONFIG_LDFLAGS := --ldflags 319endif 320 321ifdef PYTHON_CONFIG 322 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null) 323 # Update the python flags for cross compilation 324 ifdef CROSS_COMPILE 325 PYTHON_NATIVE := $(shell echo $(PYTHON_EMBED_LDOPTS) | sed 's/\(-L.*\/\)\(.*-linux-gnu\).*/\2/') 326 PYTHON_EMBED_LDOPTS := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EMBED_LDOPTS)) 327 endif 328 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS)) 329 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil 330 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null) 331 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS) 332 ifeq ($(CC_NO_CLANG), 0) 333 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS)) 334 endif 335endif 336 337FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS) 338FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS) 339 340FEATURE_CHECK_LDFLAGS-libaio = -lrt 341 342FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl 343FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl 344 345CORE_CFLAGS += -fno-omit-frame-pointer 346CORE_CFLAGS += -Wall 347CORE_CFLAGS += -Wextra 348CORE_CFLAGS += -std=gnu11 349 350CXXFLAGS += -std=gnu++17 -fno-exceptions -fno-rtti 351CXXFLAGS += -Wall 352CXXFLAGS += -Wextra 353CXXFLAGS += -fno-omit-frame-pointer 354 355HOSTCFLAGS += -Wall 356HOSTCFLAGS += -Wextra 357 358# Enforce a non-executable stack, as we may regress (again) in the future by 359# adding assembler files missing the .GNU-stack linker note. 360LDFLAGS += -Wl,-z,noexecstack 361 362EXTLIBS = -lpthread -lrt -lm -ldl 363 364ifneq ($(TCMALLOC),) 365 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free 366 EXTLIBS += -ltcmalloc 367endif 368 369ifeq ($(FEATURES_DUMP),) 370# We will display at the end of this Makefile.config, using $(call feature_display_entries) 371# As we may retry some feature detection here, see the disassembler-four-args case, for instance 372 FEATURE_DISPLAY_DEFERRED := 1 373include $(srctree)/tools/build/Makefile.feature 374else 375include $(FEATURES_DUMP) 376endif 377 378ifeq ($(feature-stackprotector-all), 1) 379 CORE_CFLAGS += -fstack-protector-all 380endif 381 382ifeq ($(DEBUG),0) 383 ifeq ($(feature-fortify-source), 1) 384 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 385 endif 386endif 387 388INC_FLAGS += -I$(src-perf)/util/include 389INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include 390INC_FLAGS += -I$(srctree)/tools/include/ 391INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi 392INC_FLAGS += -I$(srctree)/tools/include/uapi 393INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/ 394INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/ 395 396# $(obj-perf) for generated common-cmds.h 397# $(obj-perf)/util for generated bison/flex headers 398ifneq ($(OUTPUT),) 399INC_FLAGS += -I$(obj-perf)/util 400INC_FLAGS += -I$(obj-perf) 401endif 402 403INC_FLAGS += -I$(src-perf)/util 404INC_FLAGS += -I$(src-perf) 405 406CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE 407 408CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS) 409CXXFLAGS += $(INC_FLAGS) 410 411LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS) 412 413ifeq ($(feature-pthread-attr-setaffinity-np), 1) 414 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP 415endif 416 417ifeq ($(feature-pthread-barrier), 1) 418 CFLAGS += -DHAVE_PTHREAD_BARRIER 419endif 420 421ifndef NO_BIONIC 422 $(call feature_check,bionic) 423 ifeq ($(feature-bionic), 1) 424 BIONIC := 1 425 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE 426 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE 427 EXTLIBS := $(filter-out -lrt,$(EXTLIBS)) 428 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS)) 429 endif 430endif 431 432ifeq ($(feature-eventfd), 1) 433 CFLAGS += -DHAVE_EVENTFD_SUPPORT 434endif 435 436ifeq ($(feature-get_current_dir_name), 1) 437 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME 438endif 439 440ifeq ($(feature-gettid), 1) 441 CFLAGS += -DHAVE_GETTID 442endif 443 444ifeq ($(feature-file-handle), 1) 445 CFLAGS += -DHAVE_FILE_HANDLE 446endif 447 448ifdef NO_LIBELF 449 NO_LIBDW := 1 450 NO_LIBUNWIND := 1 451 NO_LIBDW_DWARF_UNWIND := 1 452 NO_LIBBPF := 1 453 NO_JVMTI := 1 454else 455 ifeq ($(feature-libelf), 0) 456 ifeq ($(feature-glibc), 1) 457 LIBC_SUPPORT := 1 458 endif 459 ifeq ($(BIONIC),1) 460 LIBC_SUPPORT := 1 461 endif 462 ifeq ($(LIBC_SUPPORT),1) 463 $(error ERROR: No libelf found. Disables 'probe' tool, jvmti and BPF support. Please install libelf-dev, libelf-devel, elfutils-libelf-devel or build with NO_LIBELF=1.) 464 else 465 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),) 466 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0) 467 $(error No libasan found, please install libasan) 468 endif 469 endif 470 471 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),) 472 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0) 473 $(error No libubsan found, please install libubsan) 474 endif 475 endif 476 477 ifneq ($(filter s% -static%,$(LDFLAGS),),) 478 $(error No static glibc found, please install glibc-static) 479 else 480 $(error No gnu/libc-version.h found, please install glibc-dev[el]) 481 endif 482 endif 483 else 484 ifneq ($(feature-libdw), 1) 485 ifndef NO_LIBDW 486 $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.157, disables dwarf support. Please install new elfutils-devel/libdw-dev) 487 NO_LIBDW := 1 488 endif 489 endif # Dwarf support 490 endif # libelf support 491endif # NO_LIBELF 492 493ifeq ($(feature-libaio), 1) 494 ifndef NO_AIO 495 CFLAGS += -DHAVE_AIO_SUPPORT 496 endif 497endif 498 499ifdef NO_LIBDW 500 NO_LIBDW_DWARF_UNWIND := 1 501endif 502 503ifeq ($(feature-scandirat), 1) 504 # Ignore having scandirat with memory sanitizer that lacks an interceptor. 505 ifeq ($(filter s% -fsanitize=memory%,$(EXTRA_CFLAGS),),) 506 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT 507 endif 508endif 509 510ifeq ($(feature-sched_getcpu), 1) 511 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT 512endif 513 514ifeq ($(feature-setns), 1) 515 CFLAGS += -DHAVE_SETNS_SUPPORT 516 $(call detected,CONFIG_SETNS) 517endif 518 519ifdef CORESIGHT 520 $(call feature_check,libopencsd) 521 ifeq ($(feature-libopencsd), 1) 522 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS) 523 ifeq ($(feature-reallocarray), 0) 524 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 525 endif 526 LDFLAGS += $(LIBOPENCSD_LDFLAGS) 527 EXTLIBS += $(OPENCSDLIBS) 528 $(call detected,CONFIG_LIBOPENCSD) 529 ifdef CSTRACE_RAW 530 CFLAGS += -DCS_DEBUG_RAW 531 ifeq (${CSTRACE_RAW}, packed) 532 CFLAGS += -DCS_RAW_PACKED 533 endif 534 endif 535 else 536 $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1) 537 endif 538endif 539 540ifndef NO_ZLIB 541 ifeq ($(feature-zlib), 1) 542 CFLAGS += -DHAVE_ZLIB_SUPPORT 543 EXTLIBS += -lz 544 $(call detected,CONFIG_ZLIB) 545 else 546 NO_ZLIB := 1 547 endif 548endif 549 550ifndef NO_LIBELF 551 CFLAGS += -DHAVE_LIBELF_SUPPORT 552 EXTLIBS += -lelf 553 $(call detected,CONFIG_LIBELF) 554 555 ifeq ($(feature-libelf-getphdrnum), 1) 556 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT 557 endif 558 559 ifeq ($(feature-libelf-gelf_getnote), 1) 560 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT 561 else 562 $(warning gelf_getnote() not found on libelf, SDT support disabled) 563 endif 564 565 ifeq ($(feature-libelf-getshdrstrndx), 1) 566 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT 567 endif 568 569 ifeq ($(feature-libelf-zstd), 1) 570 ifdef NO_LIBZSTD 571 $(error Error: libzstd is required by libelf, please do not set NO_LIBZSTD) 572 endif 573 endif 574 575 ifndef NO_LIBDEBUGINFOD 576 $(call feature_check,libdebuginfod) 577 ifeq ($(feature-libdebuginfod), 1) 578 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT 579 EXTLIBS += -ldebuginfod 580 endif 581 endif 582 583 ifndef NO_LIBDW 584 CFLAGS += -DHAVE_LIBDW_SUPPORT $(LIBDW_CFLAGS) 585 LDFLAGS += $(LIBDW_LDFLAGS) 586 EXTLIBS += ${DWARFLIBS} 587 $(call detected,CONFIG_LIBDW) 588 endif # NO_LIBDW 589 590 ifndef NO_LIBBPF 591 ifeq ($(feature-bpf), 1) 592 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status 593 $(call feature_check,libbpf) 594 595 ifdef LIBBPF_DYNAMIC 596 ifeq ($(feature-libbpf), 1) 597 EXTLIBS += -lbpf 598 CFLAGS += -DHAVE_LIBBPF_SUPPORT 599 $(call detected,CONFIG_LIBBPF) 600 $(call detected,CONFIG_LIBBPF_DYNAMIC) 601 else 602 $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel) 603 endif 604 else 605 ifeq ($(NO_ZLIB), 1) 606 $(warning Warning: Statically building libbpf not possible as zlib is missing) 607 NO_LIBBPF := 1 608 else 609 # Libbpf will be built as a static library from tools/lib/bpf. 610 LIBBPF_STATIC := 1 611 $(call detected,CONFIG_LIBBPF) 612 CFLAGS += -DHAVE_LIBBPF_SUPPORT 613 endif 614 endif 615 endif 616 endif # NO_LIBBPF 617endif # NO_LIBELF 618 619ifndef NO_SDT 620 ifneq ($(feature-sdt), 1) 621 $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev) 622 NO_SDT := 1; 623 else 624 CFLAGS += -DHAVE_SDT_EVENT 625 $(call detected,CONFIG_SDT_EVENT) 626 endif 627endif 628 629ifdef PERF_HAVE_JITDUMP 630 ifndef NO_LIBELF 631 $(call detected,CONFIG_JITDUMP) 632 CFLAGS += -DHAVE_JITDUMP 633 endif 634endif 635 636ifeq ($(SRCARCH),powerpc) 637 ifndef NO_LIBDW 638 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX 639 endif 640endif 641 642ifndef NO_LIBUNWIND 643 have_libunwind := 644 645 $(call feature_check,libunwind-x86) 646 ifeq ($(feature-libunwind-x86), 1) 647 $(call detected,CONFIG_LIBUNWIND_X86) 648 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT 649 LDFLAGS += -lunwind-x86 650 EXTLIBS_LIBUNWIND += -lunwind-x86 651 have_libunwind = 1 652 endif 653 654 $(call feature_check,libunwind-aarch64) 655 ifeq ($(feature-libunwind-aarch64), 1) 656 $(call detected,CONFIG_LIBUNWIND_AARCH64) 657 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT 658 LDFLAGS += -lunwind-aarch64 659 EXTLIBS_LIBUNWIND += -lunwind-aarch64 660 have_libunwind = 1 661 $(call feature_check,libunwind-debug-frame-aarch64) 662 ifneq ($(feature-libunwind-debug-frame-aarch64), 1) 663 $(warning No debug_frame support found in libunwind-aarch64) 664 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64 665 endif 666 endif 667 668 ifneq ($(feature-libunwind), 1) 669 $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR) 670 NO_LOCAL_LIBUNWIND := 1 671 else 672 have_libunwind := 1 673 $(call detected,CONFIG_LOCAL_LIBUNWIND) 674 endif 675 676 ifneq ($(have_libunwind), 1) 677 NO_LIBUNWIND := 1 678 endif 679else 680 NO_LOCAL_LIBUNWIND := 1 681endif 682 683ifndef NO_LIBBPF 684 ifneq ($(feature-bpf), 1) 685 $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) 686 NO_LIBBPF := 1 687 endif 688endif 689 690ifndef BUILD_BPF_SKEL 691 # BPF skeletons control a large number of perf features, by default 692 # they are enabled. 693 BUILD_BPF_SKEL := 1 694endif 695 696ifeq ($(BUILD_BPF_SKEL),1) 697 ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),) 698 $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool) 699 BUILD_BPF_SKEL := 0 700 else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),) 701 $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool) 702 BUILD_BPF_SKEL := 0 703 else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) 704 $(warning Warning: Disabled BPF skeletons as libbpf is required) 705 BUILD_BPF_SKEL := 0 706 else ifeq ($(call get-executable,$(CLANG)),) 707 $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing) 708 BUILD_BPF_SKEL := 0 709 else 710 CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g') 711 ifeq ($(call version-lt3,$(CLANG_VERSION),12.0.1),1) 712 $(warning Warning: Disabled BPF skeletons as reliable BTF generation needs at least $(CLANG) version 12.0.1) 713 BUILD_BPF_SKEL := 0 714 endif 715 endif 716 ifeq ($(BUILD_BPF_SKEL),1) 717 $(call feature_check,clang-bpf-co-re) 718 ifeq ($(feature-clang-bpf-co-re), 0) 719 $(warning Warning: Disabled BPF skeletons as clang is too old) 720 BUILD_BPF_SKEL := 0 721 endif 722 endif 723 ifeq ($(BUILD_BPF_SKEL),1) 724 $(call detected,CONFIG_PERF_BPF_SKEL) 725 CFLAGS += -DHAVE_BPF_SKEL 726 endif 727endif 728 729ifndef GEN_VMLINUX_H 730 VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h 731endif 732 733dwarf-post-unwind := 1 734dwarf-post-unwind-text := BUG 735 736# setup DWARF post unwinder 737ifdef NO_LIBUNWIND 738 ifdef NO_LIBDW_DWARF_UNWIND 739 $(warning Disabling post unwind, no support found.) 740 dwarf-post-unwind := 0 741 else 742 dwarf-post-unwind-text := libdw 743 $(call detected,CONFIG_LIBDW_DWARF_UNWIND) 744 endif 745else 746 dwarf-post-unwind-text := libunwind 747 $(call detected,CONFIG_LIBUNWIND) 748 # Enable libunwind support by default. 749 ifndef NO_LIBDW_DWARF_UNWIND 750 NO_LIBDW_DWARF_UNWIND := 1 751 endif 752endif 753 754ifeq ($(dwarf-post-unwind),1) 755 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT 756 $(call detected,CONFIG_DWARF_UNWIND) 757endif 758 759ifndef NO_LIBUNWIND 760 ifndef NO_LOCAL_LIBUNWIND 761 ifeq ($(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 += $(LIBUNWIND_LIBS) 773 endif 774 ifeq ($(findstring -static,${LDFLAGS}),-static) 775 # gcc -static links libgcc_eh which contans piece of libunwind 776 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition 777 endif 778 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT 779 CFLAGS += $(LIBUNWIND_CFLAGS) 780 LDFLAGS += $(LIBUNWIND_LDFLAGS) 781 EXTLIBS += $(EXTLIBS_LIBUNWIND) 782endif 783 784ifneq ($(NO_LIBTRACEEVENT),1) 785 ifeq ($(NO_SYSCALL_TABLE),0) 786 $(call detected,CONFIG_TRACE) 787 else 788 ifndef NO_LIBAUDIT 789 $(call feature_check,libaudit) 790 ifneq ($(feature-libaudit), 1) 791 $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev) 792 NO_LIBAUDIT := 1 793 else 794 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT 795 EXTLIBS += -laudit 796 $(call detected,CONFIG_TRACE) 797 endif 798 endif 799 endif 800endif 801 802ifndef NO_LIBCRYPTO 803 ifneq ($(feature-libcrypto), 1) 804 $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev) 805 NO_LIBCRYPTO := 1 806 else 807 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT 808 EXTLIBS += -lcrypto 809 $(call detected,CONFIG_CRYPTO) 810 endif 811endif 812 813ifndef NO_SLANG 814 ifneq ($(feature-libslang), 1) 815 ifneq ($(feature-libslang-include-subdir), 1) 816 $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev) 817 NO_SLANG := 1 818 else 819 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR 820 endif 821 endif 822 ifndef NO_SLANG 823 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h 824 CFLAGS += -DHAVE_SLANG_SUPPORT 825 EXTLIBS += -lslang 826 $(call detected,CONFIG_SLANG) 827 endif 828endif 829 830ifdef GTK2 831 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) 832 $(call feature_check,gtk2) 833 ifneq ($(feature-gtk2), 1) 834 $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev) 835 NO_GTK2 := 1 836 else 837 $(call feature_check,gtk2-infobar) 838 ifeq ($(feature-gtk2-infobar), 1) 839 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT 840 endif 841 CFLAGS += -DHAVE_GTK2_SUPPORT 842 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) 843 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) 844 EXTLIBS += -ldl 845 endif 846endif 847 848ifdef NO_LIBPERL 849 CFLAGS += -DNO_LIBPERL 850else 851 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) 852 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) 853 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) 854 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) 855 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) 856 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) 857 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 858 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) 859 860 ifneq ($(feature-libperl), 1) 861 CFLAGS += -DNO_LIBPERL 862 NO_LIBPERL := 1 863 $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev) 864 else 865 LDFLAGS += $(PERL_EMBED_LDFLAGS) 866 EXTLIBS += $(PERL_EMBED_LIBADD) 867 CFLAGS += -DHAVE_LIBPERL_SUPPORT 868 ifeq ($(CC_NO_CLANG), 0) 869 CFLAGS += -Wno-compound-token-split-by-macro 870 endif 871 $(call detected,CONFIG_LIBPERL) 872 endif 873endif 874 875ifeq ($(feature-timerfd), 1) 876 CFLAGS += -DHAVE_TIMERFD_SUPPORT 877else 878 $(warning No timerfd support. Disables 'perf kvm stat live') 879endif 880 881disable-python = $(eval $(disable-python_code)) 882define disable-python_code 883 CFLAGS += -DNO_LIBPYTHON 884 $(warning $1) 885 NO_LIBPYTHON := 1 886endef 887 888PYTHON_EXTENSION_SUFFIX := '.so' 889ifdef NO_LIBPYTHON 890 $(call disable-python,Python support disabled by user) 891else 892 893 ifndef PYTHON 894 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev) 895 else 896 PYTHON_WORD := $(call shell-wordify,$(PYTHON)) 897 898 ifndef PYTHON_CONFIG 899 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) 900 else 901 902 ifneq ($(feature-libpython), 1) 903 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev) 904 else 905 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 906 EXTLIBS += $(PYTHON_EMBED_LIBADD) 907 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no") 908 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes) 909 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])') 910 ifdef CROSS_COMPILE 911 PYTHON_EXTENSION_SUFFIX := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EXTENSION_SUFFIX)) 912 endif 913 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX) 914 else 915 $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent) 916 endif 917 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT 918 $(call detected,CONFIG_LIBPYTHON) 919 ifeq ($(filter -fPIC,$(CFLAGS)),) 920 # Building a shared library requires position independent code. 921 CFLAGS += -fPIC 922 CXXFLAGS += -fPIC 923 endif 924 endif 925 endif 926 endif 927endif 928 929ifneq ($(NO_JEVENTS),1) 930 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),) 931 NO_JEVENTS := 1 932 endif 933endif 934ifneq ($(NO_JEVENTS),1) 935 NO_JEVENTS := 0 936 ifndef PYTHON 937 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.) 938 else 939 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016. 940 JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null) 941 ifneq ($(JEVENTS_PYTHON_GOOD), 1) 942 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.) 943 endif 944 endif 945endif 946 947ifdef BUILD_NONDISTRO 948 ifeq ($(feature-libbfd), 1) 949 EXTLIBS += -lbfd -lopcodes 950 else 951 # we are on a system that requires -liberty and (maybe) -lz 952 # to link against -lbfd; test each case individually here 953 954 # call all detections now so we get correct 955 # status in VF output 956 $(call feature_check,libbfd-liberty) 957 $(call feature_check,libbfd-liberty-z) 958 959 ifeq ($(feature-libbfd-liberty), 1) 960 EXTLIBS += -lbfd -lopcodes -liberty 961 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl 962 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl 963 else 964 ifeq ($(feature-libbfd-liberty-z), 1) 965 EXTLIBS += -lbfd -lopcodes -liberty -lz 966 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl 967 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl 968 endif 969 endif 970 $(call feature_check,disassembler-four-args) 971 $(call feature_check,disassembler-init-styled) 972 endif 973 974 CFLAGS += -DHAVE_LIBBFD_SUPPORT 975 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT 976 ifeq ($(feature-libbfd-buildid), 1) 977 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT 978 else 979 $(warning Old version of libbfd/binutils things like PE executable profiling will not be available) 980 endif 981endif 982 983ifndef NO_LIBLLVM 984 $(call feature_check,llvm-perf) 985 ifeq ($(feature-llvm-perf), 1) 986 CFLAGS += -DHAVE_LIBLLVM_SUPPORT 987 CFLAGS += $(shell $(LLVM_CONFIG) --cflags) 988 CXXFLAGS += -DHAVE_LIBLLVM_SUPPORT 989 CXXFLAGS += $(shell $(LLVM_CONFIG) --cxxflags) 990 LIBLLVM = $(shell $(LLVM_CONFIG) --libs all) $(shell $(LLVM_CONFIG) --system-libs) 991 EXTLIBS += -L$(shell $(LLVM_CONFIG) --libdir) $(LIBLLVM) 992 EXTLIBS += -lstdc++ 993 $(call detected,CONFIG_LIBLLVM) 994 else 995 $(warning No libllvm 13+ found, slower source file resolution, please install llvm-devel/llvm-dev) 996 NO_LIBLLVM := 1 997 endif 998endif 999 1000ifndef NO_DEMANGLE 1001 $(call feature_check,cxa-demangle) 1002 ifeq ($(feature-cxa-demangle), 1) 1003 EXTLIBS += -lstdc++ 1004 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 1005 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 1006 $(call detected,CONFIG_CXX_DEMANGLE) 1007 endif 1008 ifdef BUILD_NONDISTRO 1009 ifeq ($(filter -liberty,$(EXTLIBS)),) 1010 $(call feature_check,cplus-demangle) 1011 ifeq ($(feature-cplus-demangle), 1) 1012 EXTLIBS += -liberty 1013 endif 1014 endif 1015 ifneq ($(filter -liberty,$(EXTLIBS)),) 1016 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 1017 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 1018 endif 1019 endif 1020endif 1021 1022ifndef NO_LZMA 1023 ifeq ($(feature-lzma), 1) 1024 CFLAGS += -DHAVE_LZMA_SUPPORT 1025 EXTLIBS += -llzma 1026 $(call detected,CONFIG_LZMA) 1027 else 1028 $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev) 1029 NO_LZMA := 1 1030 endif 1031endif 1032 1033ifndef NO_LIBZSTD 1034 ifeq ($(feature-libzstd), 1) 1035 CFLAGS += -DHAVE_ZSTD_SUPPORT 1036 CFLAGS += $(LIBZSTD_CFLAGS) 1037 LDFLAGS += $(LIBZSTD_LDFLAGS) 1038 EXTLIBS += -lzstd 1039 $(call detected,CONFIG_ZSTD) 1040 else 1041 $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR) 1042 NO_LIBZSTD := 1 1043 endif 1044endif 1045 1046ifndef NO_BACKTRACE 1047 ifeq ($(feature-backtrace), 1) 1048 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 1049 endif 1050endif 1051 1052ifndef NO_LIBNUMA 1053 ifeq ($(feature-libnuma), 0) 1054 $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev) 1055 NO_LIBNUMA := 1 1056 else 1057 ifeq ($(feature-numa_num_possible_cpus), 0) 1058 $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8) 1059 NO_LIBNUMA := 1 1060 else 1061 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 1062 EXTLIBS += -lnuma 1063 $(call detected,CONFIG_NUMA) 1064 endif 1065 endif 1066endif 1067 1068ifdef HAVE_KVM_STAT_SUPPORT 1069 CFLAGS += -DHAVE_KVM_STAT_SUPPORT 1070endif 1071 1072ifeq ($(feature-disassembler-four-args), 1) 1073 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 1074endif 1075 1076ifeq ($(feature-disassembler-init-styled), 1) 1077 CFLAGS += -DDISASM_INIT_STYLED 1078endif 1079 1080ifeq (${IS_64_BIT}, 1) 1081 ifndef NO_PERF_READ_VDSO32 1082 $(call feature_check,compile-32) 1083 ifeq ($(feature-compile-32), 1) 1084 CFLAGS += -DHAVE_PERF_READ_VDSO32 1085 else 1086 NO_PERF_READ_VDSO32 := 1 1087 endif 1088 endif 1089 ifneq ($(SRCARCH), x86) 1090 NO_PERF_READ_VDSOX32 := 1 1091 endif 1092 ifndef NO_PERF_READ_VDSOX32 1093 $(call feature_check,compile-x32) 1094 ifeq ($(feature-compile-x32), 1) 1095 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1096 else 1097 NO_PERF_READ_VDSOX32 := 1 1098 endif 1099 endif 1100else 1101 NO_PERF_READ_VDSO32 := 1 1102 NO_PERF_READ_VDSOX32 := 1 1103endif 1104 1105ifndef NO_LIBBABELTRACE 1106 $(call feature_check,libbabeltrace) 1107 ifeq ($(feature-libbabeltrace), 1) 1108 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS) 1109 LDFLAGS += $(LIBBABELTRACE_LDFLAGS) 1110 EXTLIBS += -lbabeltrace-ctf 1111 $(call detected,CONFIG_LIBBABELTRACE) 1112 else 1113 $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev) 1114 endif 1115endif 1116 1117ifndef NO_CAPSTONE 1118 $(call feature_check,libcapstone) 1119 ifeq ($(feature-libcapstone), 1) 1120 CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LIBCAPSTONE_CFLAGS) 1121 LDFLAGS += $(LICAPSTONE_LDFLAGS) 1122 EXTLIBS += -lcapstone 1123 $(call detected,CONFIG_LIBCAPSTONE) 1124 else 1125 msg := $(warning No libcapstone found, disables disasm engine support for 'perf script', please install libcapstone-dev/capstone-devel); 1126 endif 1127endif 1128 1129ifndef NO_AUXTRACE 1130 ifeq ($(SRCARCH),x86) 1131 ifeq ($(feature-get_cpuid), 0) 1132 $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc) 1133 NO_AUXTRACE := 1 1134 endif 1135 endif 1136 ifndef NO_AUXTRACE 1137 $(call detected,CONFIG_AUXTRACE) 1138 CFLAGS += -DHAVE_AUXTRACE_SUPPORT 1139 ifeq ($(feature-reallocarray), 0) 1140 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 1141 endif 1142 endif 1143endif 1144 1145ifdef EXTRA_TESTS 1146 $(call detected,CONFIG_EXTRA_TESTS) 1147 CFLAGS += -DHAVE_EXTRA_TESTS 1148endif 1149 1150ifndef NO_JVMTI 1151 ifneq (,$(wildcard /usr/sbin/update-java-alternatives)) 1152 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}') 1153 else 1154 ifneq (,$(wildcard /usr/sbin/alternatives)) 1155 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g') 1156 endif 1157 endif 1158 ifndef JDIR 1159 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory) 1160 NO_JVMTI := 1 1161 endif 1162endif 1163 1164ifndef NO_JVMTI 1165 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux 1166 $(call feature_check,jvmti) 1167 ifeq ($(feature-jvmti), 1) 1168 $(call detected_var,JDIR) 1169 ifndef NO_JVMTI_CMLR 1170 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti) 1171 $(call feature_check,jvmti-cmlr) 1172 ifeq ($(feature-jvmti-cmlr), 1) 1173 CFLAGS += -DHAVE_JVMTI_CMLR 1174 endif 1175 endif # NO_JVMTI_CMLR 1176 else 1177 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel) 1178 NO_JVMTI := 1 1179 endif 1180endif 1181 1182ifndef NO_LIBPFM4 1183 $(call feature_check,libpfm4) 1184 ifeq ($(feature-libpfm4), 1) 1185 CFLAGS += -DHAVE_LIBPFM 1186 EXTLIBS += -lpfm 1187 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 1188 $(call detected,CONFIG_LIBPFM4) 1189 else 1190 $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev) 1191 endif 1192endif 1193 1194# libtraceevent is a recommended dependency picked up from the system. 1195ifneq ($(NO_LIBTRACEEVENT),1) 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 $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel and/or set LIBTRACEEVENT_DIR or build with NO_LIBTRACEEVENT=1) 1209 endif 1210 1211 ifeq ($(feature-libtracefs), 1) 1212 CFLAGS += $(shell $(PKG_CONFIG) --cflags libtracefs) 1213 LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtracefs) 1214 EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtracefs) 1215 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs).0.0 1216 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION))) 1217 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION))) 1218 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION))) 1219 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3)) 1220 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP) 1221 else 1222 $(warning libtracefs is missing. Please install libtracefs-dev/libtracefs-devel) 1223 endif 1224endif 1225 1226# Among the variables below, these: 1227# perfexecdir 1228# libbpf_include_dir 1229# perf_examples_dir 1230# template_dir 1231# mandir 1232# infodir 1233# htmldir 1234# ETC_PERFCONFIG (but not sysconfdir) 1235# can be specified as a relative path some/where/else; 1236# this is interpreted as relative to $(prefix) and "perf" at 1237# runtime figures out where they are based on the path to the executable. 1238# This can help installing the suite in a relocatable way. 1239 1240# Make the path relative to DESTDIR, not to prefix 1241ifndef DESTDIR 1242prefix ?= $(HOME) 1243endif 1244bindir_relative = bin 1245bindir = $(abspath $(prefix)/$(bindir_relative)) 1246includedir_relative = include 1247includedir = $(abspath $(prefix)/$(includedir_relative)) 1248mandir = share/man 1249infodir = share/info 1250perfexecdir = libexec/perf-core 1251# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance 1252libbpf_include_dir = /usr/include 1253perf_examples_dir = lib/perf/examples 1254sharedir = $(prefix)/share 1255template_dir = share/perf-core/templates 1256STRACE_GROUPS_DIR = share/perf-core/strace/groups 1257htmldir = share/doc/perf-doc 1258tipdir = share/doc/perf-tip 1259srcdir = $(srctree)/tools/perf 1260ifeq ($(prefix),/usr) 1261sysconfdir = /etc 1262ETC_PERFCONFIG = $(sysconfdir)/perfconfig 1263else 1264sysconfdir = $(prefix)/etc 1265ETC_PERFCONFIG = etc/perfconfig 1266endif 1267ifndef lib 1268ifeq ($(SRCARCH)$(IS_64_BIT), x861) 1269lib = lib64 1270else 1271lib = lib 1272endif 1273endif # lib 1274libdir = $(prefix)/$(lib) 1275 1276# Shell quote (do not use $(call) to accommodate ancient setups); 1277ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) 1278STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR)) 1279DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) 1280bindir_SQ = $(subst ','\'',$(bindir)) 1281includedir_SQ = $(subst ','\'',$(includedir)) 1282mandir_SQ = $(subst ','\'',$(mandir)) 1283infodir_SQ = $(subst ','\'',$(infodir)) 1284perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) 1285libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir)) 1286perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir)) 1287template_dir_SQ = $(subst ','\'',$(template_dir)) 1288htmldir_SQ = $(subst ','\'',$(htmldir)) 1289tipdir_SQ = $(subst ','\'',$(tipdir)) 1290prefix_SQ = $(subst ','\'',$(prefix)) 1291sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) 1292libdir_SQ = $(subst ','\'',$(libdir)) 1293srcdir_SQ = $(subst ','\'',$(srcdir)) 1294 1295ifneq ($(filter /%,$(firstword $(perfexecdir))),) 1296perfexec_instdir = $(perfexecdir) 1297perf_include_instdir = $(libbpf_include_dir) 1298perf_examples_instdir = $(perf_examples_dir) 1299STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) 1300tip_instdir = $(tipdir) 1301else 1302perfexec_instdir = $(prefix)/$(perfexecdir) 1303perf_include_instdir = $(prefix)/$(libbpf_include_dir) 1304perf_examples_instdir = $(prefix)/$(perf_examples_dir) 1305STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) 1306tip_instdir = $(prefix)/$(tipdir) 1307endif 1308perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) 1309perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir)) 1310perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir)) 1311STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) 1312tip_instdir_SQ = $(subst ','\'',$(tip_instdir)) 1313 1314export perfexec_instdir_SQ 1315 1316print_var = $(eval $(print_var_code)) $(info $(MSG)) 1317define print_var_code 1318 MSG = $(shell printf '...%40s: %s' $(1) $($(1))) 1319endef 1320 1321ifeq ($(feature_display),1) 1322 $(call feature_display_entries) 1323endif 1324 1325ifeq ($(VF),1) 1326 # Display EXTRA features which are detected manualy 1327 # from here with feature_check call and thus cannot 1328 # be partof global state output. 1329 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG))) 1330 $(call print_var,prefix) 1331 $(call print_var,bindir) 1332 $(call print_var,libdir) 1333 $(call print_var,sysconfdir) 1334 $(call print_var,LIBUNWIND_DIR) 1335 $(call print_var,LIBDW_DIR) 1336 $(call print_var,JDIR) 1337 1338 ifeq ($(dwarf-post-unwind),1) 1339 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG)) 1340 endif 1341endif 1342 1343$(info ) 1344 1345$(call detected_var,bindir_SQ) 1346$(call detected_var,PYTHON_WORD) 1347ifneq ($(OUTPUT),) 1348$(call detected_var,OUTPUT) 1349endif 1350$(call detected_var,htmldir_SQ) 1351$(call detected_var,infodir_SQ) 1352$(call detected_var,mandir_SQ) 1353$(call detected_var,ETC_PERFCONFIG_SQ) 1354$(call detected_var,STRACE_GROUPS_DIR_SQ) 1355$(call detected_var,prefix_SQ) 1356$(call detected_var,perfexecdir_SQ) 1357$(call detected_var,libbpf_include_dir_SQ) 1358$(call detected_var,perf_examples_dir_SQ) 1359$(call detected_var,tipdir_SQ) 1360$(call detected_var,srcdir_SQ) 1361$(call detected_var,LIBDIR) 1362$(call detected_var,GTK_CFLAGS) 1363$(call detected_var,PERL_EMBED_CCOPTS) 1364$(call detected_var,PYTHON_EMBED_CCOPTS) 1365ifneq ($(BISON_FILE_PREFIX_MAP),) 1366$(call detected_var,BISON_FILE_PREFIX_MAP) 1367endif 1368 1369# re-generate FEATURE-DUMP as we may have called feature_check, found out 1370# extra libraries to add to LDFLAGS of some other test and then redo those 1371# tests, see the block about libbfd, disassembler-four-args, for instance. 1372$(shell rm -f $(FEATURE_DUMP_FILENAME)) 1373$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) 1374