mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-26 02:05:29 +07:00
cbefd24f0a
A few odd old distros (rhel5, 6, yeah, lots of those out in use, in many
cases we want to use upstream perf on it) have the slang header files in
/usr/include/slang/, so add a test that will be performed only when
test-all.c (the one with the most common sane settings) fails, either
because we're in one of these odd distros with slang/slang.h or because
something else failed (say libelf is not present).
So for the common case nothing changes, no additional test is performed.
Next step is to check in perf the result of these tests.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Fixes: 1955c8cf5e ("perf tools: Don't hardcode host include path for libslang")
Link: https://lkml.kernel.org/n/tip-2sy7hbwkx68jr6n97qxgg0c6@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
250 lines
8.0 KiB
Gherkin
250 lines
8.0 KiB
Gherkin
# SPDX-License-Identifier: GPL-2.0-only
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feature_dir := $(srctree)/tools/build/feature
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ifneq ($(OUTPUT),)
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OUTPUT_FEATURES = $(OUTPUT)feature/
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$(shell mkdir -p $(OUTPUT_FEATURES))
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endif
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feature_check = $(eval $(feature_check_code))
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define feature_check_code
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feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) 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)
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endef
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feature_set = $(eval $(feature_set_code))
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define feature_set_code
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feature-$(1) := 1
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endef
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#
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# Build the feature check binaries in parallel, ignore errors, ignore return value and suppress output:
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#
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#
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# Note that this is not a complete list of all feature tests, just
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# those that are typically built on a fully configured system.
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#
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# [ Feature tests not mentioned here have to be built explicitly in
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# the rule that uses them - an example for that is the 'bionic'
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# feature check. ]
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#
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FEATURE_TESTS_BASIC := \
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backtrace \
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dwarf \
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dwarf_getlocations \
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eventfd \
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fortify-source \
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sync-compare-and-swap \
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get_current_dir_name \
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gettid \
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glibc \
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gtk2 \
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gtk2-infobar \
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libaudit \
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libbfd \
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libelf \
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libelf-getphdrnum \
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libelf-gelf_getnote \
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libelf-getshdrstrndx \
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libelf-mmap \
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libnuma \
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numa_num_possible_cpus \
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libperl \
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libpython \
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libpython-version \
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libslang \
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libslang-include-subdir \
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libcrypto \
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libunwind \
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pthread-attr-setaffinity-np \
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pthread-barrier \
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reallocarray \
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stackprotector-all \
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timerfd \
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libdw-dwarf-unwind \
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zlib \
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lzma \
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get_cpuid \
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bpf \
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sched_getcpu \
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sdt \
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setns \
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libaio \
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libzstd \
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disassembler-four-args
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# FEATURE_TESTS_BASIC + FEATURE_TESTS_EXTRA is the complete list
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# of all feature tests
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FEATURE_TESTS_EXTRA := \
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bionic \
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compile-32 \
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compile-x32 \
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cplus-demangle \
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hello \
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libbabeltrace \
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libbfd-liberty \
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libbfd-liberty-z \
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libopencsd \
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libunwind-x86 \
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libunwind-x86_64 \
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libunwind-arm \
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libunwind-aarch64 \
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libunwind-debug-frame \
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libunwind-debug-frame-arm \
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libunwind-debug-frame-aarch64 \
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cxx \
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llvm \
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llvm-version \
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clang
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FEATURE_TESTS ?= $(FEATURE_TESTS_BASIC)
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ifeq ($(FEATURE_TESTS),all)
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FEATURE_TESTS := $(FEATURE_TESTS_BASIC) $(FEATURE_TESTS_EXTRA)
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endif
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FEATURE_DISPLAY ?= \
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dwarf \
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dwarf_getlocations \
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glibc \
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gtk2 \
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libaudit \
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libbfd \
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libelf \
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libnuma \
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numa_num_possible_cpus \
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libperl \
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libpython \
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libcrypto \
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libunwind \
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libdw-dwarf-unwind \
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zlib \
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lzma \
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get_cpuid \
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bpf \
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libaio \
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libzstd \
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disassembler-four-args
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# Set FEATURE_CHECK_(C|LD)FLAGS-all for all FEATURE_TESTS features.
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# If in the future we need per-feature checks/flags for features not
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# mentioned in this list we need to refactor this ;-).
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set_test_all_flags = $(eval $(set_test_all_flags_code))
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define set_test_all_flags_code
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FEATURE_CHECK_CFLAGS-all += $(FEATURE_CHECK_CFLAGS-$(1))
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FEATURE_CHECK_LDFLAGS-all += $(FEATURE_CHECK_LDFLAGS-$(1))
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endef
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$(foreach feat,$(FEATURE_TESTS),$(call set_test_all_flags,$(feat)))
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#
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# Special fast-path for the 'all features are available' case:
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#
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$(call feature_check,all,$(MSG))
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#
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# Just in case the build freshly failed, make sure we print the
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# feature matrix:
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#
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ifeq ($(feature-all), 1)
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#
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# test-all.c passed - just set all the core feature flags to 1:
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#
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$(foreach feat,$(FEATURE_TESTS),$(call feature_set,$(feat)))
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#
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# test-all.c does not comprise these tests, so we need to
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# for this case to get features proper values
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#
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$(call feature_check,compile-32)
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$(call feature_check,compile-x32)
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$(call feature_check,bionic)
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$(call feature_check,libbabeltrace)
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else
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$(foreach feat,$(FEATURE_TESTS),$(call feature_check,$(feat)))
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endif
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#
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# Print the result of the feature test:
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#
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feature_print_status = $(eval $(feature_print_status_code)) $(info $(MSG))
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define feature_print_status_code
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ifeq ($(feature-$(1)), 1)
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MSG = $(shell printf '...%30s: [ \033[32mon\033[m ]' $(1))
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else
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MSG = $(shell printf '...%30s: [ \033[31mOFF\033[m ]' $(1))
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endif
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endef
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feature_print_text = $(eval $(feature_print_text_code)) $(info $(MSG))
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define feature_print_text_code
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MSG = $(shell printf '...%30s: %s' $(1) $(2))
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endef
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#
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# generates feature value assignment for name, like:
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# $(call feature_assign,dwarf) == feature-dwarf=1
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#
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feature_assign = feature-$(1)=$(feature-$(1))
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FEATURE_DUMP_FILENAME = $(OUTPUT)FEATURE-DUMP$(FEATURE_USER)
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FEATURE_DUMP := $(shell touch $(FEATURE_DUMP_FILENAME); cat $(FEATURE_DUMP_FILENAME))
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feature_dump_check = $(eval $(feature_dump_check_code))
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define feature_dump_check_code
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ifeq ($(findstring $(1),$(FEATURE_DUMP)),)
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$(2) := 1
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endif
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endef
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#
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# First check if any test from FEATURE_DISPLAY
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# and set feature_display := 1 if it does
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$(foreach feat,$(FEATURE_DISPLAY),$(call feature_dump_check,$(call feature_assign,$(feat)),feature_display))
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#
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# Now also check if any other test changed,
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# so we force FEATURE-DUMP generation
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$(foreach feat,$(FEATURE_TESTS),$(call feature_dump_check,$(call feature_assign,$(feat)),feature_dump_changed))
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# The $(feature_display) controls the default detection message
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# output. It's set if:
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# - detected features differes from stored features from
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# last build (in $(FEATURE_DUMP_FILENAME) file)
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# - one of the $(FEATURE_DISPLAY) is not detected
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# - VF is enabled
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ifeq ($(feature_dump_changed),1)
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$(shell rm -f $(FEATURE_DUMP_FILENAME))
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$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))
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endif
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feature_display_check = $(eval $(feature_check_display_code))
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define feature_check_display_code
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ifneq ($(feature-$(1)), 1)
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feature_display := 1
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endif
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endef
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$(foreach feat,$(FEATURE_DISPLAY),$(call feature_display_check,$(feat)))
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ifeq ($(VF),1)
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feature_display := 1
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feature_verbose := 1
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endif
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ifeq ($(feature_display),1)
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$(info )
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$(info Auto-detecting system features:)
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$(foreach feat,$(FEATURE_DISPLAY),$(call feature_print_status,$(feat),))
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ifneq ($(feature_verbose),1)
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$(info )
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endif
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endif
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ifeq ($(feature_verbose),1)
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TMP := $(filter-out $(FEATURE_DISPLAY),$(FEATURE_TESTS))
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$(foreach feat,$(TMP),$(call feature_print_status,$(feat),))
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$(info )
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endif
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