File Manager Sederhana

Nama	Ukuran	Izin	Aksi
Documentation	-	0755	-
arch	-	0755	-
scripts	-	0755	-
tests	-	0755	-
trace	-	0755	-
util	-	0755	-
Makefile	2.68 KB	0644	Edit Rename Delete
Makefile.config	38.28 KB	0644	Edit Rename Delete
Makefile.perf	40.13 KB	0644	Edit Rename Delete
check-headers.sh	4.97 KB	0755	Edit Rename Delete
perf-archive.sh	1.24 KB	0644	Edit Rename Delete
perf-completion.sh	6.28 KB	0644	Edit Rename Delete
perf-iostat.sh	290 B	0644	Edit Rename Delete
perf-with-kcore.sh	6.23 KB	0644	Edit Rename Delete

Edit File:Makefile.config

# SPDX-License-Identifier: GPL-2.0-only

ifeq ($(src-perf),)
src-perf := $(srctree)/tools/perf
endif

ifeq ($(obj-perf),)
obj-perf := $(OUTPUT)
endif

ifneq ($(obj-perf),)
obj-perf := $(abspath $(obj-perf))/
endif

$(shell printf "" > $(OUTPUT).config-detected)
detected     = $(shell echo "$(1)=y"       >> $(OUTPUT).config-detected)
detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)

CFLAGS := $(EXTRA_CFLAGS) $(filter-out -Wnested-externs,$(EXTRA_WARNINGS))

include $(srctree)/tools/scripts/Makefile.arch

$(call detected_var,SRCARCH)

NO_PERF_REGS := 1

ifneq ($(NO_SYSCALL_TABLE),1)
  NO_SYSCALL_TABLE := 1

ifeq ($(SRCARCH),x86)
    ifeq (${IS_64_BIT}, 1)
      NO_SYSCALL_TABLE := 0
    endif
  else
    ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390 mips))
      NO_SYSCALL_TABLE := 0
    endif
  endif

ifneq ($(NO_SYSCALL_TABLE),1)
    CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
  endif
endif

# Additional ARCH settings for ppc
ifeq ($(SRCARCH),powerpc)
  NO_PERF_REGS := 0
  CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
  LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
endif

# Additional ARCH settings for x86
ifeq ($(SRCARCH),x86)
  $(call detected,CONFIG_X86)
  ifeq (${IS_64_BIT}, 1)
    CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
    ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
    LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
    $(call detected,CONFIG_X86_64)
  else
    LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
  endif
  NO_PERF_REGS := 0
endif

ifeq ($(SRCARCH),arm)
  NO_PERF_REGS := 0
  LIBUNWIND_LIBS = -lunwind -lunwind-arm
endif

ifeq ($(SRCARCH),arm64)
  NO_PERF_REGS := 0
  CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
  LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
endif

ifeq ($(SRCARCH),riscv)
  NO_PERF_REGS := 0
endif

ifeq ($(SRCARCH),csky)
  NO_PERF_REGS := 0
endif

ifeq ($(ARCH),s390)
  NO_PERF_REGS := 0
  CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
endif

ifeq ($(ARCH),mips)
  NO_PERF_REGS := 0
  CFLAGS += -I$(OUTPUT)arch/mips/include/generated
  LIBUNWIND_LIBS = -lunwind -lunwind-mips
endif

ifeq ($(NO_PERF_REGS),0)
  $(call detected,CONFIG_PERF_REGS)
endif

# So far there's only x86 and arm libdw unwind support merged in perf.
# Disable it on all other architectures in case libdw unwind
# support is detected in system. Add supported architectures
# to the check.
ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv))
  NO_LIBDW_DWARF_UNWIND := 1
endif

ifeq ($(LIBUNWIND_LIBS),)
  NO_LIBUNWIND := 1
endif
#
# For linking with debug library, run like:
#
#   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
#

libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
define libunwind_arch_set_flags_code
  FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(LIBUNWIND_DIR)/include
  FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
endef

ifdef LIBUNWIND_DIR
  LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/include
  LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
  LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
  $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
endif

# Set per-feature check compilation flags
FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)

FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm
FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64
FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86
FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64

FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto

ifdef CSINCLUDES
  LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
endif
OPENCSDLIBS := -lopencsd_c_api -lopencsd
ifeq ($(findstring -static,${LDFLAGS}),-static)
  OPENCSDLIBS += -lstdc++
endif
ifdef CSLIBS
  LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
endif
FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)

ifeq ($(NO_PERF_REGS),0)
  CFLAGS += -DHAVE_PERF_REGS_SUPPORT
endif

# for linking with debug library, run like:
# make DEBUG=1 LIBDW_DIR=/opt/libdw/
ifdef LIBDW_DIR
  LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
  LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
endif
DWARFLIBS := -ldw
ifeq ($(findstring -static,${LDFLAGS}),-static)
  DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
endif
FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)

# for linking with debug library, run like:
# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
ifdef LIBBABELTRACE_DIR
  LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_DIR)/include
  LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
endif
FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf

ifdef LIBZSTD_DIR
  LIBZSTD_CFLAGS  := -I$(LIBZSTD_DIR)/lib
  LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
endif
FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)

FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
# include ARCH specific config
-include $(src-perf)/arch/$(SRCARCH)/Makefile

ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
  CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
endif

include $(srctree)/tools/scripts/utilities.mak

ifeq ($(call get-executable,$(FLEX)),)
  dummy := $(error Error: $(FLEX) is missing on this system, please install it)
endif

ifeq ($(call get-executable,$(BISON)),)
  dummy := $(error Error: $(BISON) is missing on this system, please install it)
endif

ifneq ($(OUTPUT),)
  ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ $[0-9]\+$.$[0-9]\+$.$[0-9]\+$/\1\2\3/g') \>\= 371), 1)
    BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)=
  endif
endif

# Treat warnings as errors unless directed not to
ifneq ($(WERROR),0)
  CORE_CFLAGS += -Werror
  CXXFLAGS += -Werror
endif

ifndef DEBUG
  DEBUG := 0
endif

ifeq ($(DEBUG),0)
ifeq ($(CC_NO_CLANG), 0)
  CORE_CFLAGS += -O3
else
  CORE_CFLAGS += -O6
endif
endif

ifdef PARSER_DEBUG
  PARSER_DEBUG_BISON := -t
  PARSER_DEBUG_FLEX  := -d
  CFLAGS             += -DPARSER_DEBUG
  $(call detected_var,PARSER_DEBUG_BISON)
  $(call detected_var,PARSER_DEBUG_FLEX)
endif

# Try different combinations to accommodate systems that only have
# python[2][3]-config in weird combinations in the following order of
# priority from lowest to highest:
#   * python3-config
#   * python-config
#   * python2-config as per pep-0394.
#   * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't)
#
PYTHON_AUTO := python-config
PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO))
PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO))
PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO))

# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user
# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist.
ifdef PYTHON
  ifndef PYTHON_CONFIG
    PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config)
    PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\
                          $(call $(error $(PYTHON)-config not found)))
  endif
endif

# Select either auto detected python and python-config or use user supplied values if they are
# defined. get-executable-or-default fails with an error if the first argument is supplied but
# doesn't exist.
override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO))
override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG)))

grep-libs  = $(filter -l%,$(1))
strip-libs  = $(filter-out -l%,$(1))

PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))

# Python 3.8 changed the output of `python-config --ldflags` to not include the
# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
# libpython fails if that flag is not included in LDFLAGS
ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
  PYTHON_CONFIG_LDFLAGS := --ldflags --embed
else
  PYTHON_CONFIG_LDFLAGS := --ldflags
endif

ifdef PYTHON_CONFIG
  PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
  PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
  PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
  PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
  FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
  ifeq ($(CC_NO_CLANG), 0)
    PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS))
  endif
endif

FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)

FEATURE_CHECK_LDFLAGS-libaio = -lrt

FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl

CORE_CFLAGS += -fno-omit-frame-pointer
CORE_CFLAGS += -ggdb3
CORE_CFLAGS += -funwind-tables
CORE_CFLAGS += -Wall
CORE_CFLAGS += -Wextra
CORE_CFLAGS += -std=gnu99

CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
CXXFLAGS += -Wall
CXXFLAGS += -fno-omit-frame-pointer
CXXFLAGS += -ggdb3
CXXFLAGS += -funwind-tables
CXXFLAGS += -Wno-strict-aliasing

# Enforce a non-executable stack, as we may regress (again) in the future by
# adding assembler files missing the .GNU-stack linker note.
LDFLAGS += -Wl,-z,noexecstack

EXTLIBS = -lpthread -lrt -lm -ldl

ifneq ($(TCMALLOC),)
  CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
  EXTLIBS += -ltcmalloc
endif

ifeq ($(FEATURES_DUMP),)
# We will display at the end of this Makefile.config, using $(call feature_display_entries)
# As we may retry some feature detection here, see the disassembler-four-args case, for instance
  FEATURE_DISPLAY_DEFERRED := 1
include $(srctree)/tools/build/Makefile.feature
else
include $(FEATURES_DUMP)
endif

ifeq ($(feature-stackprotector-all), 1)
  CORE_CFLAGS += -fstack-protector-all
endif

ifeq ($(DEBUG),0)
  ifeq ($(feature-fortify-source), 1)
    CORE_CFLAGS += -D_FORTIFY_SOURCE=2
  endif
endif

INC_FLAGS += -I$(srctree)/tools/lib/perf/include
INC_FLAGS += -I$(src-perf)/util/include
INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
INC_FLAGS += -I$(srctree)/tools/include/
INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
INC_FLAGS += -I$(srctree)/tools/include/uapi
INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/

# $(obj-perf)      for generated common-cmds.h
# $(obj-perf)/util for generated bison/flex headers
ifneq ($(OUTPUT),)
INC_FLAGS += -I$(obj-perf)/util
INC_FLAGS += -I$(obj-perf)
endif

INC_FLAGS += -I$(src-perf)/util
INC_FLAGS += -I$(src-perf)
INC_FLAGS += -I$(srctree)/tools/lib/

CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE

CFLAGS   += $(CORE_CFLAGS) $(INC_FLAGS)
CXXFLAGS += $(INC_FLAGS)

LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)

ifeq ($(feature-pthread-attr-setaffinity-np), 1)
  CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
endif

ifeq ($(feature-pthread-barrier), 1)
  CFLAGS += -DHAVE_PTHREAD_BARRIER
endif

ifndef NO_BIONIC
  $(call feature_check,bionic)
  ifeq ($(feature-bionic), 1)
    BIONIC := 1
    CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
    CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
    EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
    EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
  endif
endif

ifeq ($(feature-eventfd), 1)
  CFLAGS += -DHAVE_EVENTFD_SUPPORT
endif

ifeq ($(feature-get_current_dir_name), 1)
  CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
endif

ifeq ($(feature-gettid), 1)
  CFLAGS += -DHAVE_GETTID
endif

ifeq ($(feature-file-handle), 1)
  CFLAGS += -DHAVE_FILE_HANDLE
endif

ifdef NO_LIBELF
  NO_DWARF := 1
  NO_DEMANGLE := 1
  NO_LIBUNWIND := 1
  NO_LIBDW_DWARF_UNWIND := 1
  NO_LIBBPF := 1
  NO_JVMTI := 1
else
  ifeq ($(feature-libelf), 0)
    ifeq ($(feature-glibc), 1)
      LIBC_SUPPORT := 1
    endif
    ifeq ($(BIONIC),1)
      LIBC_SUPPORT := 1
    endif
    ifeq ($(LIBC_SUPPORT),1)
      msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);

NO_LIBELF := 1
      NO_DWARF := 1
      NO_DEMANGLE := 1
      NO_LIBUNWIND := 1
      NO_LIBDW_DWARF_UNWIND := 1
      NO_LIBBPF := 1
      NO_JVMTI := 1
    else
      ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
        ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
          msg := $(error No libasan found, please install libasan);
        endif
      endif

ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
        ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
          msg := $(error No libubsan found, please install libubsan);
        endif
      endif

ifneq ($(filter s% -static%,$(LDFLAGS),),)
        msg := $(error No static glibc found, please install glibc-static);
      else
        msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
      endif
    endif
  else
    ifndef NO_LIBDW_DWARF_UNWIND
      ifneq ($(feature-libdw-dwarf-unwind),1)
        NO_LIBDW_DWARF_UNWIND := 1
        msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
      endif
    endif
    ifneq ($(feature-dwarf), 1)
      ifndef NO_DWARF
        msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
        NO_DWARF := 1
      endif
    else
      ifneq ($(feature-dwarf_getlocations), 1)
        msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
      else
        CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
      endif # dwarf_getlocations
    endif # Dwarf support
  endif # libelf support
endif # NO_LIBELF

ifeq ($(feature-glibc), 1)
  CFLAGS += -DHAVE_GLIBC_SUPPORT
endif

ifeq ($(feature-libaio), 1)
  ifndef NO_AIO
    CFLAGS += -DHAVE_AIO_SUPPORT
  endif
endif

ifdef NO_DWARF
  NO_LIBDW_DWARF_UNWIND := 1
endif

ifeq ($(feature-sched_getcpu), 1)
  CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
endif

ifeq ($(feature-setns), 1)
  CFLAGS += -DHAVE_SETNS_SUPPORT
  $(call detected,CONFIG_SETNS)
endif

ifdef CORESIGHT
  $(call feature_check,libopencsd)
  ifeq ($(feature-libopencsd), 1)
    CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
    ifeq ($(feature-reallocarray), 0)
      CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
    endif
    LDFLAGS += $(LIBOPENCSD_LDFLAGS)
    EXTLIBS += $(OPENCSDLIBS)
    $(call detected,CONFIG_LIBOPENCSD)
    ifdef CSTRACE_RAW
      CFLAGS += -DCS_DEBUG_RAW
      ifeq (${CSTRACE_RAW}, packed)
        CFLAGS += -DCS_RAW_PACKED
      endif
    endif
  else
    dummy := $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1)
  endif
endif

ifndef NO_LIBELF
  CFLAGS += -DHAVE_LIBELF_SUPPORT
  EXTLIBS += -lelf
  $(call detected,CONFIG_LIBELF)

ifeq ($(feature-libelf-getphdrnum), 1)
    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
  endif

ifeq ($(feature-libelf-gelf_getnote), 1)
    CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
  else
    msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
  endif

ifeq ($(feature-libelf-getshdrstrndx), 1)
    CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
  endif

ifndef NO_LIBDEBUGINFOD
    $(call feature_check,libdebuginfod)
    ifeq ($(feature-libdebuginfod), 1)
      CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
      EXTLIBS += -ldebuginfod
    endif
  endif

ifndef NO_DWARF
    ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
      msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
      NO_DWARF := 1
    else
      CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
      LDFLAGS += $(LIBDW_LDFLAGS)
      EXTLIBS += ${DWARFLIBS}
      $(call detected,CONFIG_DWARF)
    endif # PERF_HAVE_DWARF_REGS
  endif # NO_DWARF

ifndef NO_LIBBPF
    ifeq ($(feature-bpf), 1)
      CFLAGS += -DHAVE_LIBBPF_SUPPORT
      $(call detected,CONFIG_LIBBPF)

# detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
      $(call feature_check,libbpf)
      ifdef LIBBPF_DYNAMIC
        ifeq ($(feature-libbpf), 1)
          EXTLIBS += -lbpf
          $(call detected,CONFIG_LIBBPF_DYNAMIC)

$(call feature_check,libbpf-btf__load_from_kernel_by_id)
          ifeq ($(feature-libbpf-btf__load_from_kernel_by_id), 1)
            CFLAGS += -DHAVE_LIBBPF_BTF__LOAD_FROM_KERNEL_BY_ID
          endif
        else
          dummy := $(error Error: No libbpf devel library found, please install libbpf-devel);
        endif
      else
	CFLAGS += -DHAVE_LIBBPF_BTF__LOAD_FROM_KERNEL_BY_ID
      endif
    endif

ifndef NO_DWARF
      ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
        CFLAGS += -DHAVE_BPF_PROLOGUE
        $(call detected,CONFIG_BPF_PROLOGUE)
      else
        msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
      endif
    else
      msg := $(warning DWARF support is off, BPF prologue is disabled);
    endif

endif # NO_LIBBPF
endif # NO_LIBELF

ifndef NO_SDT
  ifneq ($(feature-sdt), 1)
    msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
    NO_SDT := 1;
  else
    CFLAGS += -DHAVE_SDT_EVENT
    $(call detected,CONFIG_SDT_EVENT)
  endif
endif

ifdef PERF_HAVE_JITDUMP
  ifndef NO_LIBELF
    $(call detected,CONFIG_JITDUMP)
    CFLAGS += -DHAVE_JITDUMP
  endif
endif

ifeq ($(SRCARCH),powerpc)
  ifndef NO_DWARF
    CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
  endif
endif

ifndef NO_LIBUNWIND
  have_libunwind :=

$(call feature_check,libunwind-x86)
  ifeq ($(feature-libunwind-x86), 1)
    $(call detected,CONFIG_LIBUNWIND_X86)
    CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
    LDFLAGS += -lunwind-x86
    EXTLIBS_LIBUNWIND += -lunwind-x86
    have_libunwind = 1
  endif

$(call feature_check,libunwind-aarch64)
  ifeq ($(feature-libunwind-aarch64), 1)
    $(call detected,CONFIG_LIBUNWIND_AARCH64)
    CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
    LDFLAGS += -lunwind-aarch64
    EXTLIBS_LIBUNWIND += -lunwind-aarch64
    have_libunwind = 1
    $(call feature_check,libunwind-debug-frame-aarch64)
    ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
      msg := $(warning No debug_frame support found in libunwind-aarch64);
      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
    endif
  endif

ifneq ($(feature-libunwind), 1)
    msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
    NO_LOCAL_LIBUNWIND := 1
  else
    have_libunwind := 1
    $(call detected,CONFIG_LOCAL_LIBUNWIND)
  endif

ifneq ($(have_libunwind), 1)
    NO_LIBUNWIND := 1
  endif
else
  NO_LOCAL_LIBUNWIND := 1
endif

ifndef NO_LIBBPF
  ifneq ($(feature-bpf), 1)
    msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
    NO_LIBBPF := 1
  endif
endif

ifdef BUILD_BPF_SKEL
  $(call feature_check,clang-bpf-co-re)
  ifeq ($(feature-clang-bpf-co-re), 0)
    dummy := $(error Error: clang too old/not installed. Please install recent clang to build with BUILD_BPF_SKEL)
  endif
  $(call detected,CONFIG_PERF_BPF_SKEL)
  CFLAGS += -DHAVE_BPF_SKEL
endif

dwarf-post-unwind := 1
dwarf-post-unwind-text := BUG

# setup DWARF post unwinder
ifdef NO_LIBUNWIND
  ifdef NO_LIBDW_DWARF_UNWIND
    msg := $(warning Disabling post unwind, no support found.);
    dwarf-post-unwind := 0
  else
    dwarf-post-unwind-text := libdw
    $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
  endif
else
  dwarf-post-unwind-text := libunwind
  $(call detected,CONFIG_LIBUNWIND)
  # Enable libunwind support by default.
  ifndef NO_LIBDW_DWARF_UNWIND
    NO_LIBDW_DWARF_UNWIND := 1
  endif
endif

ifeq ($(dwarf-post-unwind),1)
  CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
  $(call detected,CONFIG_DWARF_UNWIND)
else
  NO_DWARF_UNWIND := 1
endif

ifndef NO_LOCAL_LIBUNWIND
  ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
    $(call feature_check,libunwind-debug-frame)
    ifneq ($(feature-libunwind-debug-frame), 1)
      msg := $(warning No debug_frame support found in libunwind);
      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
    endif
  else
    # non-ARM has no dwarf_find_debug_frame() function:
    CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
  endif
  EXTLIBS += $(LIBUNWIND_LIBS)
  LDFLAGS += $(LIBUNWIND_LIBS)
endif
ifeq ($(findstring -static,${LDFLAGS}),-static)
  # gcc -static links libgcc_eh which contans piece of libunwind
  LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
endif

ifndef NO_LIBUNWIND
  CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
  CFLAGS  += $(LIBUNWIND_CFLAGS)
  LDFLAGS += $(LIBUNWIND_LDFLAGS)
  EXTLIBS += $(EXTLIBS_LIBUNWIND)
endif

ifeq ($(NO_SYSCALL_TABLE),0)
  $(call detected,CONFIG_TRACE)
else
  ifndef NO_LIBAUDIT
    $(call feature_check,libaudit)
    ifneq ($(feature-libaudit), 1)
      msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
      NO_LIBAUDIT := 1
    else
      CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
      EXTLIBS += -laudit
      $(call detected,CONFIG_TRACE)
    endif
  endif
endif

ifndef NO_LIBCRYPTO
  ifneq ($(feature-libcrypto), 1)
    msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
    NO_LIBCRYPTO := 1
  else
    CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
    EXTLIBS += -lcrypto
    $(call detected,CONFIG_CRYPTO)
  endif
endif

ifdef NO_NEWT
  NO_SLANG=1
endif

ifndef NO_SLANG
  ifneq ($(feature-libslang), 1)
    ifneq ($(feature-libslang-include-subdir), 1)
      msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
      NO_SLANG := 1
    else
      CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
    endif
  endif
  ifndef NO_SLANG
    # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
    CFLAGS += -DHAVE_SLANG_SUPPORT
    EXTLIBS += -lslang
    $(call detected,CONFIG_SLANG)
  endif
endif

ifdef GTK2
  FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
  $(call feature_check,gtk2)
  ifneq ($(feature-gtk2), 1)
    msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
    NO_GTK2 := 1
  else
    $(call feature_check,gtk2-infobar)
    ifeq ($(feature-gtk2-infobar), 1)
      GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
    endif
    CFLAGS += -DHAVE_GTK2_SUPPORT
    GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
    GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
    EXTLIBS += -ldl
  endif
endif

ifdef NO_LIBPERL
  CFLAGS += -DNO_LIBPERL
else
  PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
  PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
  PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
  PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
  PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
  PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
  PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
  FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)

ifneq ($(feature-libperl), 1)
    CFLAGS += -DNO_LIBPERL
    NO_LIBPERL := 1
    msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
  else
    LDFLAGS += $(PERL_EMBED_LDFLAGS)
    EXTLIBS += $(PERL_EMBED_LIBADD)
    CFLAGS += -DHAVE_LIBPERL_SUPPORT
    ifeq ($(CC_NO_CLANG), 0)
      CFLAGS += -Wno-compound-token-split-by-macro
    endif
    $(call detected,CONFIG_LIBPERL)
  endif
endif

ifeq ($(feature-timerfd), 1)
  CFLAGS += -DHAVE_TIMERFD_SUPPORT
else
  msg := $(warning No timerfd support. Disables 'perf kvm stat live');
endif

disable-python = $(eval $(disable-python_code))
define disable-python_code
  CFLAGS += -DNO_LIBPYTHON
  $(warning $1)
  NO_LIBPYTHON := 1
endef

ifdef NO_LIBPYTHON
  $(call disable-python,Python support disabled by user)
else

ifndef PYTHON
    $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
  else
    PYTHON_WORD := $(call shell-wordify,$(PYTHON))

ifndef PYTHON_CONFIG
      $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
    else

ifneq ($(feature-libpython), 1)
        $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
      else
         LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
         EXTLIBS += $(PYTHON_EMBED_LIBADD)
         LANG_BINDINGS += $(obj-perf)python/perf.so
         CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
         $(call detected,CONFIG_LIBPYTHON)
      endif
    endif
  endif
endif

ifdef HAVE_NO_LIBBFD
  feature-libbfd := 0
  $(info libbfd overidden OFF)
else

ifndef NO_LIBBFD
  ifeq ($(feature-libbfd), 1)
    EXTLIBS += -lbfd -lopcodes
  else
    # we are on a system that requires -liberty and (maybe) -lz
    # to link against -lbfd; test each case individually here

# call all detections now so we get correct
    # status in VF output
    $(call feature_check,libbfd-liberty)
    $(call feature_check,libbfd-liberty-z)

ifeq ($(feature-libbfd-liberty), 1)
      EXTLIBS += -lbfd -lopcodes -liberty
      FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
      FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl
    else
      ifeq ($(feature-libbfd-liberty-z), 1)
        EXTLIBS += -lbfd -lopcodes -liberty -lz
        FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
        FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl
      endif
    endif
    $(call feature_check,disassembler-four-args)
    $(call feature_check,disassembler-init-styled)
  endif

ifeq ($(feature-libbfd-buildid), 1)
    CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
  else
    msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
  endif
endif

endif

ifdef NO_DEMANGLE
  CFLAGS += -DNO_DEMANGLE
else
  ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
    EXTLIBS += -liberty
  else
    ifeq ($(filter -liberty,$(EXTLIBS)),)
      $(call feature_check,cplus-demangle)

# we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
      # or any of 'bfd iberty z' trinity
      ifeq ($(feature-cplus-demangle), 1)
        EXTLIBS += -liberty
      else
        msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
        CFLAGS += -DNO_DEMANGLE
      endif
    endif
  endif

ifneq ($(filter -liberty,$(EXTLIBS)),)
    CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
  endif
endif

ifneq ($(filter -lbfd,$(EXTLIBS)),)
  CFLAGS += -DHAVE_LIBBFD_SUPPORT
endif

ifndef NO_ZLIB
  ifeq ($(feature-zlib), 1)
    CFLAGS += -DHAVE_ZLIB_SUPPORT
    EXTLIBS += -lz
    $(call detected,CONFIG_ZLIB)
  else
    NO_ZLIB := 1
  endif
endif

ifndef NO_LZMA
  ifeq ($(feature-lzma), 1)
    CFLAGS += -DHAVE_LZMA_SUPPORT
    EXTLIBS += -llzma
    $(call detected,CONFIG_LZMA)
  else
    msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
    NO_LZMA := 1
  endif
endif

ifndef NO_LIBZSTD
  ifeq ($(feature-libzstd), 1)
    CFLAGS += -DHAVE_ZSTD_SUPPORT
    CFLAGS += $(LIBZSTD_CFLAGS)
    LDFLAGS += $(LIBZSTD_LDFLAGS)
    EXTLIBS += -lzstd
    $(call detected,CONFIG_ZSTD)
  else
    msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
    NO_LIBZSTD := 1
  endif
endif

ifndef NO_LIBCAP
  ifeq ($(feature-libcap), 1)
    CFLAGS += -DHAVE_LIBCAP_SUPPORT
    EXTLIBS += -lcap
    $(call detected,CONFIG_LIBCAP)
  else
    msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
    NO_LIBCAP := 1
  endif
endif

ifndef NO_BACKTRACE
  ifeq ($(feature-backtrace), 1)
    CFLAGS += -DHAVE_BACKTRACE_SUPPORT
  endif
endif

ifndef NO_LIBNUMA
  ifeq ($(feature-libnuma), 0)
    msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
    NO_LIBNUMA := 1
  else
    ifeq ($(feature-numa_num_possible_cpus), 0)
      msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
      NO_LIBNUMA := 1
    else
      CFLAGS += -DHAVE_LIBNUMA_SUPPORT
      EXTLIBS += -lnuma
      $(call detected,CONFIG_NUMA)
    endif
  endif
endif

ifdef HAVE_KVM_STAT_SUPPORT
    CFLAGS += -DHAVE_KVM_STAT_SUPPORT
endif

ifeq ($(feature-disassembler-four-args), 1)
    CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
endif

ifeq ($(feature-disassembler-init-styled), 1)
    CFLAGS += -DDISASM_INIT_STYLED
endif

ifeq (${IS_64_BIT}, 1)
  ifndef NO_PERF_READ_VDSO32
    $(call feature_check,compile-32)
    ifeq ($(feature-compile-32), 1)
      CFLAGS += -DHAVE_PERF_READ_VDSO32
    else
      NO_PERF_READ_VDSO32 := 1
    endif
  endif
  ifneq ($(SRCARCH), x86)
    NO_PERF_READ_VDSOX32 := 1
  endif
  ifndef NO_PERF_READ_VDSOX32
    $(call feature_check,compile-x32)
    ifeq ($(feature-compile-x32), 1)
      CFLAGS += -DHAVE_PERF_READ_VDSOX32
    else
      NO_PERF_READ_VDSOX32 := 1
    endif
  endif
else
  NO_PERF_READ_VDSO32 := 1
  NO_PERF_READ_VDSOX32 := 1
endif

ifndef NO_LIBBABELTRACE
  $(call feature_check,libbabeltrace)
  ifeq ($(feature-libbabeltrace), 1)
    CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
    LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
    EXTLIBS += -lbabeltrace-ctf
    $(call detected,CONFIG_LIBBABELTRACE)
  else
    msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
  endif
endif

ifndef NO_AUXTRACE
  ifeq ($(SRCARCH),x86)
    ifeq ($(feature-get_cpuid), 0)
      msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
      NO_AUXTRACE := 1
    endif
  endif
  ifndef NO_AUXTRACE
    $(call detected,CONFIG_AUXTRACE)
    CFLAGS += -DHAVE_AUXTRACE_SUPPORT
  endif
endif

ifndef NO_JVMTI
  ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
    JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
  else
    ifneq (,$(wildcard /usr/sbin/alternatives))
      JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
    endif
  endif
  ifndef JDIR
    $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
    NO_JVMTI := 1
  endif
endif

ifndef NO_JVMTI
  FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
  $(call feature_check,jvmti)
  ifeq ($(feature-jvmti), 1)
    $(call detected_var,JDIR)
    ifndef NO_JVMTI_CMLR
      FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
      $(call feature_check,jvmti-cmlr)
      ifeq ($(feature-jvmti-cmlr), 1)
        CFLAGS += -DHAVE_JVMTI_CMLR
      endif
    endif # NO_JVMTI_CMLR
  else
    $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
    NO_JVMTI := 1
  endif
endif

USE_CXX = 0
USE_CLANGLLVM = 0
ifdef LIBCLANGLLVM
  $(call feature_check,cxx)
  ifneq ($(feature-cxx), 1)
    msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
  else
    $(call feature_check,llvm)
    $(call feature_check,llvm-version)
    ifneq ($(feature-llvm), 1)
      msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
    else
      $(call feature_check,clang)
      ifneq ($(feature-clang), 1)
        msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
      else
        CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
        CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
        $(call detected,CONFIG_CXX)
        $(call detected,CONFIG_CLANGLLVM)
	USE_CXX = 1
	USE_LLVM = 1
	USE_CLANG = 1
        ifneq ($(feature-llvm-version),1)
          msg := $(warning This version of LLVM is not tested. May cause build errors)
        endif
      endif
    endif
  endif
endif

ifdef LIBPFM4
  $(call feature_check,libpfm4)
  ifeq ($(feature-libpfm4), 1)
    CFLAGS += -DHAVE_LIBPFM
    EXTLIBS += -lpfm
    ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
    $(call detected,CONFIG_LIBPFM4)
  else
    msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
    NO_LIBPFM4 := 1
  endif
endif

ifdef LIBTRACEEVENT_DYNAMIC
  $(call feature_check,libtraceevent)
  ifeq ($(feature-libtraceevent), 1)
    EXTLIBS += -ltraceevent
  else
    dummy := $(error Error: No libtraceevent devel library found, please install libtraceevent-devel);
  endif
endif

# Among the variables below, these:
#   perfexecdir
#   perf_include_dir
#   perf_examples_dir
#   template_dir
#   mandir
#   infodir
#   htmldir
#   ETC_PERFCONFIG (but not sysconfdir)
# can be specified as a relative path some/where/else;
# this is interpreted as relative to $(prefix) and "perf" at
# runtime figures out where they are based on the path to the executable.
# This can help installing the suite in a relocatable way.

# Make the path relative to DESTDIR, not to prefix
ifndef DESTDIR
prefix ?= $(HOME)
endif
bindir_relative = bin
bindir = $(abspath $(prefix)/$(bindir_relative))
includedir_relative = include
includedir = $(abspath $(prefix)/$(includedir_relative))
mandir = share/man
infodir = share/info
perfexecdir = libexec/perf-core
perf_include_dir = lib/perf/include
perf_examples_dir = lib/perf/examples
sharedir = $(prefix)/share
template_dir = share/perf-core/templates
STRACE_GROUPS_DIR = share/perf-core/strace/groups
htmldir = share/doc/perf-doc
tipdir = share/doc/perf-tip
srcdir = $(srctree)/tools/perf
ifeq ($(prefix),/usr)
sysconfdir = /etc
ETC_PERFCONFIG = $(sysconfdir)/perfconfig
else
sysconfdir = $(prefix)/etc
ETC_PERFCONFIG = etc/perfconfig
endif
ifndef lib
ifeq ($(SRCARCH)$(IS_64_BIT), x861)
lib = lib64
else
lib = lib
endif
endif # lib
libdir = $(prefix)/$(lib)

# Shell quote (do not use $(call) to accommodate ancient setups);
ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
bindir_SQ = $(subst ','\'',$(bindir))
includedir_SQ = $(subst ','\'',$(includedir))
mandir_SQ = $(subst ','\'',$(mandir))
infodir_SQ = $(subst ','\'',$(infodir))
perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
template_dir_SQ = $(subst ','\'',$(template_dir))
htmldir_SQ = $(subst ','\'',$(htmldir))
tipdir_SQ = $(subst ','\'',$(tipdir))
prefix_SQ = $(subst ','\'',$(prefix))
sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
libdir_SQ = $(subst ','\'',$(libdir))
srcdir_SQ = $(subst ','\'',$(srcdir))

ifneq ($(filter /%,$(firstword $(perfexecdir))),)
perfexec_instdir = $(perfexecdir)
perf_include_instdir = $(perf_include_dir)
perf_examples_instdir = $(perf_examples_dir)
STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
tip_instdir = $(tipdir)
else
perfexec_instdir = $(prefix)/$(perfexecdir)
perf_include_instdir = $(prefix)/$(perf_include_dir)
perf_examples_instdir = $(prefix)/$(perf_examples_dir)
STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
tip_instdir = $(prefix)/$(tipdir)
endif
perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
tip_instdir_SQ = $(subst ','\'',$(tip_instdir))

# If we install to $(HOME) we keep the traceevent default:
# $(HOME)/.traceevent/plugins
# Otherwise we install plugins into the global $(libdir).
ifdef DESTDIR
plugindir=$(libdir)/traceevent/plugins
plugindir_SQ= $(subst ','\'',$(plugindir))
endif

print_var = $(eval $(print_var_code)) $(info $(MSG))
define print_var_code
    MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
endef

ifeq ($(VF),1)
  # Display EXTRA features which are detected manualy
  # from here with feature_check call and thus cannot
  # be partof global state output.
  $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
  $(call print_var,prefix)
  $(call print_var,bindir)
  $(call print_var,libdir)
  $(call print_var,sysconfdir)
  $(call print_var,LIBUNWIND_DIR)
  $(call print_var,LIBDW_DIR)
  $(call print_var,JDIR)

ifeq ($(dwarf-post-unwind),1)
    $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
  endif
  $(info )
endif

$(call detected_var,bindir_SQ)
$(call detected_var,PYTHON_WORD)
ifneq ($(OUTPUT),)
$(call detected_var,OUTPUT)
endif
$(call detected_var,htmldir_SQ)
$(call detected_var,infodir_SQ)
$(call detected_var,mandir_SQ)
$(call detected_var,ETC_PERFCONFIG_SQ)
$(call detected_var,STRACE_GROUPS_DIR_SQ)
$(call detected_var,prefix_SQ)
$(call detected_var,perfexecdir_SQ)
$(call detected_var,perf_include_dir_SQ)
$(call detected_var,perf_examples_dir_SQ)
$(call detected_var,tipdir_SQ)
$(call detected_var,srcdir_SQ)
$(call detected_var,LIBDIR)
$(call detected_var,GTK_CFLAGS)
$(call detected_var,PERL_EMBED_CCOPTS)
$(call detected_var,PYTHON_EMBED_CCOPTS)
ifneq ($(BISON_FILE_PREFIX_MAP),)
$(call detected_var,BISON_FILE_PREFIX_MAP)
endif

# re-generate FEATURE-DUMP as we may have called feature_check, found out
# extra libraries to add to LDFLAGS of some other test and then redo those
# tests, see the block about libbfd, disassembler-four-args, for instance.
$(shell rm -f $(FEATURE_DUMP_FILENAME))
$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))

ifeq ($(feature_display),1)
  $(call feature_display_entries)
endif

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current directory: / / usr / src / linux-headers-5.15.0-140-generic / tools / perf

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