HID: hiddev: Fix slab-out-of-bounds write in hiddev_ioctl_usage()
[linux/fpc-iii.git] / tools / build / Makefile.feature
blob37ff4c9f92f1b5d8c17f8df034f0dad567d146fa
1 feature_dir := $(srctree)/tools/build/feature
3 ifneq ($(OUTPUT),)
4   OUTPUT_FEATURES = $(OUTPUT)feature/
5   $(shell mkdir -p $(OUTPUT_FEATURES))
6 endif
8 feature_check = $(eval $(feature_check_code))
9 define feature_check_code
10   feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS) $(FEATURE_CHECK_CFLAGS-$(1))" LDFLAGS="$(LDFLAGS) $(FEATURE_CHECK_LDFLAGS-$(1))" -C $(feature_dir) test-$1.bin >/dev/null 2>/dev/null && echo 1 || echo 0)
11 endef
13 feature_set = $(eval $(feature_set_code))
14 define feature_set_code
15   feature-$(1) := 1
16 endef
19 # Build the feature check binaries in parallel, ignore errors, ignore return value and suppress output:
23 # Note that this is not a complete list of all feature tests, just
24 # those that are typically built on a fully configured system.
26 # [ Feature tests not mentioned here have to be built explicitly in
27 #   the rule that uses them - an example for that is the 'bionic'
28 #   feature check. ]
30 FEATURE_TESTS ?=                        \
31         backtrace                       \
32         dwarf                           \
33         fortify-source                  \
34         sync-compare-and-swap           \
35         glibc                           \
36         gtk2                            \
37         gtk2-infobar                    \
38         libaudit                        \
39         libbfd                          \
40         libelf                          \
41         libelf-getphdrnum               \
42         libelf-mmap                     \
43         libnuma                         \
44         numa_num_possible_cpus          \
45         libperl                         \
46         libpython                       \
47         libpython-version               \
48         libslang                        \
49         libunwind                       \
50         pthread-attr-setaffinity-np     \
51         stackprotector-all              \
52         timerfd                         \
53         libdw-dwarf-unwind              \
54         zlib                            \
55         lzma                            \
56         get_cpuid                       \
57         bpf
59 FEATURE_DISPLAY ?=                      \
60         dwarf                           \
61         glibc                           \
62         gtk2                            \
63         libaudit                        \
64         libbfd                          \
65         libelf                          \
66         libnuma                         \
67         numa_num_possible_cpus          \
68         libperl                         \
69         libpython                       \
70         libslang                        \
71         libunwind                       \
72         libdw-dwarf-unwind              \
73         zlib                            \
74         lzma                            \
75         get_cpuid                       \
76         bpf
78 # Set FEATURE_CHECK_(C|LD)FLAGS-all for all FEATURE_TESTS features.
79 # If in the future we need per-feature checks/flags for features not
80 # mentioned in this list we need to refactor this ;-).
81 set_test_all_flags = $(eval $(set_test_all_flags_code))
82 define set_test_all_flags_code
83   FEATURE_CHECK_CFLAGS-all  += $(FEATURE_CHECK_CFLAGS-$(1))
84   FEATURE_CHECK_LDFLAGS-all += $(FEATURE_CHECK_LDFLAGS-$(1))
85 endef
87 $(foreach feat,$(FEATURE_TESTS),$(call set_test_all_flags,$(feat)))
90 # Special fast-path for the 'all features are available' case:
92 $(call feature_check,all,$(MSG))
95 # Just in case the build freshly failed, make sure we print the
96 # feature matrix:
98 ifeq ($(feature-all), 1)
99   #
100   # test-all.c passed - just set all the core feature flags to 1:
101   #
102   $(foreach feat,$(FEATURE_TESTS),$(call feature_set,$(feat)))
103 else
104   $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS)" LDFLAGS=$(LDFLAGS) -i -j -C $(feature_dir) $(addsuffix .bin,$(FEATURE_TESTS)) >/dev/null 2>&1)
105   $(foreach feat,$(FEATURE_TESTS),$(call feature_check,$(feat)))
106 endif
109 # Print the result of the feature test:
111 feature_print_status = $(eval $(feature_print_status_code)) $(info $(MSG))
113 define feature_print_status_code
114   ifeq ($(feature-$(1)), 1)
115     MSG = $(shell printf '...%30s: [ \033[32mon\033[m  ]' $(1))
116   else
117     MSG = $(shell printf '...%30s: [ \033[31mOFF\033[m ]' $(1))
118   endif
119 endef
121 feature_print_text = $(eval $(feature_print_text_code)) $(info $(MSG))
122 define feature_print_text_code
123     MSG = $(shell printf '...%30s: %s' $(1) $(2))
124 endef
126 FEATURE_DUMP_FILENAME = $(OUTPUT)FEATURE-DUMP$(FEATURE_USER)
127 FEATURE_DUMP := $(foreach feat,$(FEATURE_DISPLAY),feature-$(feat)($(feature-$(feat))))
128 FEATURE_DUMP_FILE := $(shell touch $(FEATURE_DUMP_FILENAME); cat $(FEATURE_DUMP_FILENAME))
130 ifeq ($(dwarf-post-unwind),1)
131   FEATURE_DUMP += dwarf-post-unwind($(dwarf-post-unwind-text))
132 endif
134 # The $(feature_display) controls the default detection message
135 # output. It's set if:
136 # - detected features differes from stored features from
137 #   last build (in $(FEATURE_DUMP_FILENAME) file)
138 # - one of the $(FEATURE_DISPLAY) is not detected
139 # - VF is enabled
141 ifneq ("$(FEATURE_DUMP)","$(FEATURE_DUMP_FILE)")
142   $(shell echo "$(FEATURE_DUMP)" > $(FEATURE_DUMP_FILENAME))
143   feature_display := 1
144 endif
146 feature_display_check = $(eval $(feature_check_display_code))
147 define feature_display_check_code
148   ifneq ($(feature-$(1)), 1)
149     feature_display := 1
150   endif
151 endef
153 $(foreach feat,$(FEATURE_DISPLAY),$(call feature_display_check,$(feat)))
155 ifeq ($(VF),1)
156   feature_display := 1
157   feature_verbose := 1
158 endif
160 ifeq ($(feature_display),1)
161   $(info )
162   $(info Auto-detecting system features:)
163   $(foreach feat,$(FEATURE_DISPLAY),$(call feature_print_status,$(feat),))
165   ifeq ($(dwarf-post-unwind),1)
166     $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
167   endif
169   ifneq ($(feature_verbose),1)
170     $(info )
171   endif
172 endif
174 ifeq ($(feature_verbose),1)
175   TMP := $(filter-out $(FEATURE_DISPLAY),$(FEATURE_TESTS))
176   $(foreach feat,$(TMP),$(call feature_print_status,$(feat),))
177   $(info )
178 endif