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5c4d7c82c0
As it is not normally available on x86_64 not being tested on test-all.c
but being in FEATURE_TESTS_BASIC ends up implying that those features
are present, which leads to trying to link with those libraries and a
build failure now that test-all.c is finally again building
successfully:
/usr/bin/ld: cannot find -lunwind-x86
/usr/bin/ld: cannot find -lunwind-aarch64
collect2: error: ld returned 1 exit status
make[3]: *** [Makefile:199: /tmp/build/perf/plugin_jbd2.so] Error 1
make[3]: *** Waiting for unfinished jobs....
/usr/bin/ld: cannot find -lunwind-x86
/usr/bin/ld: cannot find -lunwind-aarch64
So remove those features from there and explicitely test them.
And then move this patch to just before the last one that allows this to
be exposed, so that we keep the tree bisectable.
With all this in place we get, at this point:
$ ldd /tmp/build/perf/feature/test-libunwind.bin
linux-vdso.so.1 (0x00007fffa09c6000)
libunwind-x86_64.so.8 => /lib64/libunwind-x86_64.so.8 (0x00007fbcf4451000)
libunwind.so.8 => /lib64/libunwind.so.8 (0x00007fbcf4435000)
liblzma.so.5 => /lib64/liblzma.so.5 (0x00007fbcf440c000)
libelf.so.1 => /lib64/libelf.so.1 (0x00007fbcf43f2000)
libc.so.6 => /lib64/libc.so.6 (0x00007fbcf422c000)
libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007fbcf4211000)
/lib64/ld-linux-x86-64.so.2 (0x00007fbcf4491000)
libpthread.so.0 => /lib64/libpthread.so.0 (0x00007fbcf41ed000)
libz.so.1 => /lib64/libz.so.1 (0x00007fbcf41d3000)
$ cat /tmp/build/perf/feature/test-libunwind-x86.make.output
test-libunwind-x86.c:2:10: fatal error: libunwind-x86.h: No such file or directory
#include <libunwind-x86.h>
^~~~~~~~~~~~~~~~~
compilation terminated.
$ cat /tmp/build/perf/feature/test-libunwind-aarch64.make.output
test-libunwind-aarch64.c:2:10: fatal error: libunwind-aarch64.h: No such file or directory
#include <libunwind-aarch64.h>
^~~~~~~~~~~~~~~~~~~~~
compilation terminated.
$
$ ldd ~/bin/perf | grep unwind
libunwind-x86_64.so.8 => /lib64/libunwind-x86_64.so.8 (0x00007f5ceb24b000)
libunwind.so.8 => /lib64/libunwind.so.8 (0x00007f5ceb22f000)
$
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Cc: Will Deacon <will.deacon@arm.com>
Link: https://lkml.kernel.org/n/tip-vs6kwqsvwk7oxhs6z9mq87pp@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
244 lines
7.8 KiB
Gherkin
244 lines
7.8 KiB
Gherkin
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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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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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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# 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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libslang \
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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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# 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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