Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) # SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) feature_dir := $(srctree)/tools/build/feature
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) ifneq ($(OUTPUT),)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)   OUTPUT_FEATURES = $(OUTPUT)feature/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)   $(shell mkdir -p $(OUTPUT_FEATURES))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) feature_check = $(eval $(feature_check_code))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) define feature_check_code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)   feature-$(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)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) endef
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) feature_set = $(eval $(feature_set_code))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) define feature_set_code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16)   feature-$(1) := 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) endef
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) # Build the feature check binaries in parallel, ignore errors, ignore return value and suppress output:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) # Note that this is not a complete list of all feature tests, just
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) # those that are typically built on a fully configured system.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) # [ Feature tests not mentioned here have to be built explicitly in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) #   the rule that uses them - an example for that is the 'bionic'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) #   feature check. ]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) FEATURE_TESTS_BASIC :=                  \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32)         backtrace                       \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33)         dwarf                           \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34)         dwarf_getlocations              \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35)         eventfd                         \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36)         fortify-source                  \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37)         sync-compare-and-swap           \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38)         get_current_dir_name            \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39)         gettid				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40)         glibc                           \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41)         libbfd                          \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42)         libbfd-buildid			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43)         libcap                          \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44)         libelf                          \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45)         libelf-getphdrnum               \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46)         libelf-gelf_getnote             \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47)         libelf-getshdrstrndx            \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48)         libnuma                         \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49)         numa_num_possible_cpus          \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50)         libperl                         \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51)         libpython                       \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52)         libslang                        \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53)         libslang-include-subdir         \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54)         libcrypto                       \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55)         libunwind                       \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56)         pthread-attr-setaffinity-np     \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57)         pthread-barrier     		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58)         reallocarray                    \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59)         stackprotector-all              \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60)         timerfd                         \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61)         libdw-dwarf-unwind              \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62)         zlib                            \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63)         lzma                            \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64)         get_cpuid                       \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65)         bpf                             \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66)         sched_getcpu			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67)         sdt				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68)         setns				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69)         libaio				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70)         libzstd				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71)         disassembler-four-args		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72)         file-handle
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) # FEATURE_TESTS_BASIC + FEATURE_TESTS_EXTRA is the complete list
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) # of all feature tests
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) FEATURE_TESTS_EXTRA :=                  \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77)          bionic                         \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78)          compile-32                     \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79)          compile-x32                    \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80)          cplus-demangle                 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81)          gtk2                           \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82)          gtk2-infobar                   \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83)          hello                          \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84)          libbabeltrace                  \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85)          libbfd-liberty                 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86)          libbfd-liberty-z               \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87)          libopencsd                     \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88)          libunwind-x86                  \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89)          libunwind-x86_64               \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90)          libunwind-arm                  \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91)          libunwind-aarch64              \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92)          libunwind-debug-frame          \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93)          libunwind-debug-frame-arm      \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94)          libunwind-debug-frame-aarch64  \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95)          cxx                            \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96)          llvm                           \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97)          llvm-version                   \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98)          clang                          \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99)          libbpf                         \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)          libpfm4                        \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)          libdebuginfod
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) FEATURE_TESTS ?= $(FEATURE_TESTS_BASIC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) ifeq ($(FEATURE_TESTS),all)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)   FEATURE_TESTS := $(FEATURE_TESTS_BASIC) $(FEATURE_TESTS_EXTRA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) FEATURE_DISPLAY ?=              \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)          dwarf                  \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)          dwarf_getlocations     \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)          glibc                  \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)          libbfd                 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)          libbfd-buildid		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)          libcap                 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)          libelf                 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)          libnuma                \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)          numa_num_possible_cpus \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)          libperl                \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)          libpython              \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)          libcrypto              \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)          libunwind              \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)          libdw-dwarf-unwind     \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)          zlib                   \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)          lzma                   \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)          get_cpuid              \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)          bpf			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)          libaio			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)          libzstd		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)          disassembler-four-args
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) # Set FEATURE_CHECK_(C|LD)FLAGS-all for all FEATURE_TESTS features.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) # If in the future we need per-feature checks/flags for features not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) # mentioned in this list we need to refactor this ;-).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) set_test_all_flags = $(eval $(set_test_all_flags_code))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) define set_test_all_flags_code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)   FEATURE_CHECK_CFLAGS-all  += $(FEATURE_CHECK_CFLAGS-$(1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)   FEATURE_CHECK_LDFLAGS-all += $(FEATURE_CHECK_LDFLAGS-$(1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) endef
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) $(foreach feat,$(FEATURE_TESTS),$(call set_test_all_flags,$(feat)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) # Special fast-path for the 'all features are available' case:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) $(call feature_check,all,$(MSG))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) # Just in case the build freshly failed, make sure we print the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) # feature matrix:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) ifeq ($(feature-all), 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)   #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)   # test-all.c passed - just set all the core feature flags to 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)   #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)   $(foreach feat,$(FEATURE_TESTS),$(call feature_set,$(feat)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)   #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)   # test-all.c does not comprise these tests, so we need to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)   # for this case to get features proper values
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)   #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)   $(call feature_check,compile-32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)   $(call feature_check,compile-x32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)   $(call feature_check,bionic)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)   $(call feature_check,libbabeltrace)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)   $(foreach feat,$(FEATURE_TESTS),$(call feature_check,$(feat)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) # Print the result of the feature test:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) feature_print_status = $(eval $(feature_print_status_code)) $(info $(MSG))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) define feature_print_status_code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175)   ifeq ($(feature-$(1)), 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176)     MSG = $(shell printf '...%30s: [ \033[32mon\033[m  ]' $(1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)   else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)     MSG = $(shell printf '...%30s: [ \033[31mOFF\033[m ]' $(1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)   endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) endef
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) feature_print_text = $(eval $(feature_print_text_code)) $(info $(MSG))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) define feature_print_text_code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)     MSG = $(shell printf '...%30s: %s' $(1) $(2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) endef
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) # generates feature value assignment for name, like:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) #   $(call feature_assign,dwarf) == feature-dwarf=1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) feature_assign = feature-$(1)=$(feature-$(1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) FEATURE_DUMP_FILENAME = $(OUTPUT)FEATURE-DUMP$(FEATURE_USER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) FEATURE_DUMP := $(shell touch $(FEATURE_DUMP_FILENAME); cat $(FEATURE_DUMP_FILENAME))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) feature_dump_check = $(eval $(feature_dump_check_code))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) define feature_dump_check_code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)   ifeq ($(findstring $(1),$(FEATURE_DUMP)),)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)     $(2) := 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)   endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) endef
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) # First check if any test from FEATURE_DISPLAY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) # and set feature_display := 1 if it does
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) $(foreach feat,$(FEATURE_DISPLAY),$(call feature_dump_check,$(call feature_assign,$(feat)),feature_display))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) # Now also check if any other test changed,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) # so we force FEATURE-DUMP generation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) $(foreach feat,$(FEATURE_TESTS),$(call feature_dump_check,$(call feature_assign,$(feat)),feature_dump_changed))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) # The $(feature_display) controls the default detection message
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) # output. It's set if:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) # - detected features differes from stored features from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) #   last build (in $(FEATURE_DUMP_FILENAME) file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) # - one of the $(FEATURE_DISPLAY) is not detected
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) # - VF is enabled
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) ifeq ($(feature_dump_changed),1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)   $(shell rm -f $(FEATURE_DUMP_FILENAME))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222)   $(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) feature_display_check = $(eval $(feature_check_display_code))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) define feature_check_display_code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227)   ifneq ($(feature-$(1)), 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)     feature_display := 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)   endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) endef
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) $(foreach feat,$(FEATURE_DISPLAY),$(call feature_display_check,$(feat)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) ifeq ($(VF),1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)   feature_display := 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)   feature_verbose := 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) ifeq ($(feature_display),1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240)   $(info )
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241)   $(info Auto-detecting system features:)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242)   $(foreach feat,$(FEATURE_DISPLAY),$(call feature_print_status,$(feat),))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)   ifneq ($(feature_verbose),1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244)     $(info )
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245)   endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) ifeq ($(feature_verbose),1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249)   TMP := $(filter-out $(FEATURE_DISPLAY),$(FEATURE_TESTS))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250)   $(foreach feat,$(TMP),$(call feature_print_status,$(feat),))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)   $(info )
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) endif