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Nama	Ukuran	Aksi
feature	-	Open
tests	-	Open
Build.include	4.71 MB	View DL Edit
fixdep.c	3.72 MB	View DL Edit
Makefile	1.2 MB	View DL Edit
Makefile.build	4.51 MB	View DL Edit
Makefile.feature	10.14 MB	View DL Edit
Makefile.include	500 B	View DL Edit

Edit file: /usr/src/kernels/5.14.0-611.34.1.el9_7.x86_64/tools/build/Makefile.feature

# SPDX-License-Identifier: GPL-2.0-only
feature_dir := $(srctree)/tools/build/feature

ifneq ($(OUTPUT),)
  OUTPUT_FEATURES = $(OUTPUT)feature/
  $(shell mkdir -p $(OUTPUT_FEATURES))
endif

feature_check = $(eval $(feature_check_code))
define feature_check_code
  feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CC="$(CC)" CXX="$(CXX)" CFLAGS="$(EXTRA_CFLAGS) $(FEATURE_CHECK_CFLAGS-$(1))" CXXFLAGS="$(EXTRA_CXXFLAGS) $(FEATURE_CHECK_CXXFLAGS-$(1))" LDFLAGS="$(LDFLAGS) $(FEATURE_CHECK_LDFLAGS-$(1))" -C $(feature_dir) $(OUTPUT_FEATURES)test-$1.bin >/dev/null 2>/dev/null && echo 1 || echo 0)
endef

feature_set = $(eval $(feature_set_code))
define feature_set_code
  feature-$(1) := 1
endef

#
# Build the feature check binaries in parallel, ignore errors, ignore return value and suppress output:
#

#
# Note that this is not a complete list of all feature tests, just
# those that are typically built on a fully configured system.
#
# [ Feature tests not mentioned here have to be built explicitly in
#   the rule that uses them - an example for that is the 'bionic'
#   feature check. ]
#
FEATURE_TESTS_BASIC :=                  \
        backtrace                       \
        dwarf                           \
        dwarf_getlocations              \
        dwarf_getcfi                    \
        eventfd                         \
        fortify-source                  \
        get_current_dir_name            \
        gettid				\
        glibc                           \
        libbfd                          \
        libbfd-buildid			\
        libcap                          \
        libelf                          \
        libelf-getphdrnum               \
        libelf-gelf_getnote             \
        libelf-getshdrstrndx            \
        libnuma                         \
        numa_num_possible_cpus          \
        libperl                         \
        libpython                       \
        libslang                        \
        libslang-include-subdir         \
        libtraceevent                   \
        libtracefs                      \
        libcpupower                     \
        libcrypto                       \
        libunwind                       \
        pthread-attr-setaffinity-np     \
        pthread-barrier     		\
        reallocarray                    \
        stackprotector-all              \
        timerfd                         \
        libdw-dwarf-unwind              \
        zlib                            \
        lzma                            \
        get_cpuid                       \
        bpf                             \
        scandirat			\
        sched_getcpu			\
        sdt				\
        setns				\
        libaio				\
        libzstd				\
        disassembler-four-args		\
        file-handle

# FEATURE_TESTS_BASIC + FEATURE_TESTS_EXTRA is the complete list
# of all feature tests
FEATURE_TESTS_EXTRA :=                  \
         bionic                         \
         compile-32                     \
         compile-x32                    \
         cplus-demangle                 \
         cxa-demangle                   \
         gtk2                           \
         gtk2-infobar                   \
         hello                          \
         libbabeltrace                  \
         libcapstone                    \
         libbfd-liberty                 \
         libbfd-liberty-z               \
         libopencsd                     \
         libunwind-x86                  \
         libunwind-x86_64               \
         libunwind-arm                  \
         libunwind-aarch64              \
         libunwind-debug-frame          \
         libunwind-debug-frame-arm      \
         libunwind-debug-frame-aarch64  \
         cxx                            \
         llvm                           \
         clang                          \
         libbpf                         \
         libbpf-btf__load_from_kernel_by_id \
         libbpf-bpf_prog_load \
         libbpf-bpf_object__next_program \
         libbpf-bpf_object__next_map    \
         libbpf-bpf_program__set_insns  \
         libbpf-bpf_create_map		\
         libpfm4                        \
         libdebuginfod			\
         clang-bpf-co-re		\
         bpftool-skeletons

FEATURE_TESTS ?= $(FEATURE_TESTS_BASIC)

ifeq ($(FEATURE_TESTS),all)
  FEATURE_TESTS := $(FEATURE_TESTS_BASIC) $(FEATURE_TESTS_EXTRA)
endif

FEATURE_DISPLAY ?=              \
         dwarf                  \
         dwarf_getlocations     \
         glibc                  \
         libbfd                 \
         libbfd-buildid		\
         libcap                 \
         libelf                 \
         libnuma                \
         numa_num_possible_cpus \
         libperl                \
         libpython              \
         libcrypto              \
         libunwind              \
         libdw-dwarf-unwind     \
         libcapstone            \
         llvm-perf              \
         zlib                   \
         lzma                   \
         get_cpuid              \
         bpf			\
         libaio			\
         libzstd		\
         disassembler-four-args

#
# Declare group members of a feature to display the logical OR of the detection
# result instead of each member result.
#
FEATURE_GROUP_MEMBERS-libbfd = libbfd-liberty libbfd-liberty-z

#
# Declare list of feature dependency packages that provide pkg-config files.
#
FEATURE_PKG_CONFIG ?=           \
         libtraceevent          \
         libtracefs

feature_pkg_config = $(eval $(feature_pkg_config_code))
define feature_pkg_config_code
  FEATURE_CHECK_CFLAGS-$(1) := $(shell $(PKG_CONFIG) --cflags $(1) 2>/dev/null)
  FEATURE_CHECK_LDFLAGS-$(1) := $(shell $(PKG_CONFIG) --libs $(1) 2>/dev/null)
endef

# Set FEATURE_CHECK_(C|LD)FLAGS-$(package) for packages using pkg-config.
ifneq ($(PKG_CONFIG),)
  $(foreach package,$(FEATURE_PKG_CONFIG),$(call feature_pkg_config,$(package)))
endif

# Set FEATURE_CHECK_(C|LD)FLAGS-all for all FEATURE_TESTS features.
# If in the future we need per-feature checks/flags for features not
# mentioned in this list we need to refactor this ;-).
set_test_all_flags = $(eval $(set_test_all_flags_code))
define set_test_all_flags_code
  FEATURE_CHECK_CFLAGS-all  += $(FEATURE_CHECK_CFLAGS-$(1))
  FEATURE_CHECK_LDFLAGS-all += $(FEATURE_CHECK_LDFLAGS-$(1))
endef

$(foreach feat,$(FEATURE_TESTS),$(call set_test_all_flags,$(feat)))

#
# Special fast-path for the 'all features are available' case:
#
$(call feature_check,all,$(MSG))

#
# Just in case the build freshly failed, make sure we print the
# feature matrix:
#
ifeq ($(feature-all), 1)
  #
  # test-all.c passed - just set all the core feature flags to 1:
  #
  $(foreach feat,$(FEATURE_TESTS),$(call feature_set,$(feat)))
  #
  # test-all.c does not comprise these tests, so we need to
  # for this case to get features proper values
  #
  $(call feature_check,compile-32)
  $(call feature_check,compile-x32)
  $(call feature_check,bionic)
  $(call feature_check,libbabeltrace)
else
  $(foreach feat,$(FEATURE_TESTS),$(call feature_check,$(feat)))
endif

#
# Print the result of the feature test:
#
feature_print_status = $(eval $(feature_print_status_code))

feature_group = $(eval $(feature_gen_group)) $(GROUP)

define feature_gen_group
  GROUP := $(1)
  ifneq ($(feature_verbose),1)
    GROUP += $(FEATURE_GROUP_MEMBERS-$(1))
  endif
endef

define feature_print_status_code
  ifneq (,$(filter 1,$(foreach feat,$(call feature_group,$(feat)),$(feature-$(feat)))))
    MSG = $(shell printf '...%40s: [ \033[32mon\033[m  ]' $(1))
  else
    MSG = $(shell printf '...%40s: [ \033[31mOFF\033[m ]' $(1))
  endif
endef

feature_print_text = $(eval $(feature_print_text_code))
define feature_print_text_code
    MSG = $(shell printf '...%40s: %s' $(1) $(2))
endef

#
# generates feature value assignment for name, like:
#   $(call feature_assign,dwarf) == feature-dwarf=1
#
feature_assign = feature-$(1)=$(feature-$(1))

FEATURE_DUMP_FILENAME = $(OUTPUT)FEATURE-DUMP$(FEATURE_USER)
FEATURE_DUMP := $(shell touch $(FEATURE_DUMP_FILENAME); cat $(FEATURE_DUMP_FILENAME))

feature_dump_check = $(eval $(feature_dump_check_code))
define feature_dump_check_code
  ifeq ($(findstring $(1),$(FEATURE_DUMP)),)
    $(2) := 1
  endif
endef

#
# First check if any test from FEATURE_DISPLAY
# and set feature_display := 1 if it does
$(foreach feat,$(FEATURE_DISPLAY),$(call feature_dump_check,$(call feature_assign,$(feat)),feature_display))

#
# Now also check if any other test changed,
# so we force FEATURE-DUMP generation
$(foreach feat,$(FEATURE_TESTS),$(call feature_dump_check,$(call feature_assign,$(feat)),feature_dump_changed))

# The $(feature_display) controls the default detection message
# output. It's set if:
# - detected features differes from stored features from
#   last build (in $(FEATURE_DUMP_FILENAME) file)
# - one of the $(FEATURE_DISPLAY) is not detected
# - VF is enabled

ifeq ($(feature_dump_changed),1)
  $(shell rm -f $(FEATURE_DUMP_FILENAME))
  $(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))
endif

feature_display_check = $(eval $(feature_check_display_code))
define feature_check_display_code
  ifneq ($(feature-$(1)), 1)
    feature_display := 1
  endif
endef

$(foreach feat,$(FEATURE_DISPLAY),$(call feature_display_check,$(feat)))

ifeq ($(VF),1)
  feature_display := 1
  feature_verbose := 1
endif

ifneq ($(feature_verbose),1)
  #
  # Determine the features to omit from the displayed message, as only the
  # logical OR of the detection result will be shown.
  #
  FEATURE_OMIT := $(foreach feat,$(FEATURE_DISPLAY),$(FEATURE_GROUP_MEMBERS-$(feat)))
endif

feature_display_entries = $(eval $(feature_display_entries_code))
define feature_display_entries_code
  ifeq ($(feature_display),1)
    $$(info )
    $$(info Auto-detecting system features:)
    $(foreach feat,$(filter-out $(FEATURE_OMIT),$(FEATURE_DISPLAY)),$(call feature_print_status,$(feat),) $$(info $(MSG)))
  endif

ifeq ($(feature_verbose),1)
    $(eval TMP := $(filter-out $(FEATURE_DISPLAY),$(FEATURE_TESTS)))
    $(foreach feat,$(TMP),$(call feature_print_status,$(feat),) $$(info $(MSG)))
  endif
endef

ifeq ($(FEATURE_DISPLAY_DEFERRED),)
  $(call feature_display_entries)
  $(info )
endif

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