Commit | Line | Data |
---|---|---|
e6c76d62 | 1 | feature_dir := $(srctree)/tools/build/feature |
970e87b3 | 2 | |
0afc5cad | 3 | ifneq ($(OUTPUT),) |
e6c76d62 | 4 | OUTPUT_FEATURES = $(OUTPUT)feature/ |
0afc5cad JO |
5 | $(shell mkdir -p $(OUTPUT_FEATURES)) |
6 | endif | |
7 | ||
8 | feature_check = $(eval $(feature_check_code)) | |
9 | define feature_check_code | |
87095f7d | 10 | feature-$(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) |
0afc5cad JO |
11 | endef |
12 | ||
13 | feature_set = $(eval $(feature_set_code)) | |
14 | define feature_set_code | |
15 | feature-$(1) := 1 | |
16 | endef | |
17 | ||
18 | # | |
19 | # Build the feature check binaries in parallel, ignore errors, ignore return value and suppress output: | |
20 | # | |
21 | ||
22 | # | |
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. | |
25 | # | |
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. ] | |
29 | # | |
2fedf79b JO |
30 | FEATURE_TESTS_BASIC := \ |
31 | backtrace \ | |
32 | dwarf \ | |
33 | dwarf_getlocations \ | |
34 | fortify-source \ | |
35 | sync-compare-and-swap \ | |
36 | glibc \ | |
37 | gtk2 \ | |
38 | gtk2-infobar \ | |
39 | libaudit \ | |
40 | libbfd \ | |
41 | libelf \ | |
42 | libelf-getphdrnum \ | |
43 | libelf-gelf_getnote \ | |
44 | libelf-getshdrstrndx \ | |
45 | libelf-mmap \ | |
46 | libnuma \ | |
47 | numa_num_possible_cpus \ | |
48 | libperl \ | |
49 | libpython \ | |
50 | libpython-version \ | |
51 | libslang \ | |
52 | libcrypto \ | |
53 | libunwind \ | |
54 | libunwind-x86 \ | |
55 | libunwind-x86_64 \ | |
56 | libunwind-arm \ | |
57 | libunwind-aarch64 \ | |
58 | pthread-attr-setaffinity-np \ | |
25ab5abf | 59 | pthread-barrier \ |
2fedf79b JO |
60 | stackprotector-all \ |
61 | timerfd \ | |
62 | libdw-dwarf-unwind \ | |
63 | zlib \ | |
64 | lzma \ | |
65 | get_cpuid \ | |
66 | bpf \ | |
120010cb | 67 | sched_getcpu \ |
86bcdb5a | 68 | sdt \ |
aa6292f4 MP |
69 | setns \ |
70 | libopencsd | |
0afc5cad | 71 | |
9fd4186a WN |
72 | # FEATURE_TESTS_BASIC + FEATURE_TESTS_EXTRA is the complete list |
73 | # of all feature tests | |
2fedf79b JO |
74 | FEATURE_TESTS_EXTRA := \ |
75 | bionic \ | |
76 | compile-32 \ | |
77 | compile-x32 \ | |
78 | cplus-demangle \ | |
79 | hello \ | |
80 | libbabeltrace \ | |
81 | liberty \ | |
82 | liberty-z \ | |
83 | libunwind-debug-frame \ | |
84 | libunwind-debug-frame-arm \ | |
bd476684 JO |
85 | libunwind-debug-frame-aarch64 \ |
86 | cxx \ | |
87 | llvm \ | |
88 | llvm-version \ | |
89 | clang | |
9fd4186a WN |
90 | |
91 | FEATURE_TESTS ?= $(FEATURE_TESTS_BASIC) | |
92 | ||
93 | ifeq ($(FEATURE_TESTS),all) | |
94 | FEATURE_TESTS := $(FEATURE_TESTS_BASIC) $(FEATURE_TESTS_EXTRA) | |
95 | endif | |
96 | ||
2fedf79b JO |
97 | FEATURE_DISPLAY ?= \ |
98 | dwarf \ | |
99 | dwarf_getlocations \ | |
100 | glibc \ | |
101 | gtk2 \ | |
102 | libaudit \ | |
103 | libbfd \ | |
104 | libelf \ | |
105 | libnuma \ | |
106 | numa_num_possible_cpus \ | |
107 | libperl \ | |
108 | libpython \ | |
109 | libslang \ | |
110 | libcrypto \ | |
111 | libunwind \ | |
112 | libdw-dwarf-unwind \ | |
113 | zlib \ | |
114 | lzma \ | |
115 | get_cpuid \ | |
116 | bpf | |
0afc5cad JO |
117 | |
118 | # Set FEATURE_CHECK_(C|LD)FLAGS-all for all FEATURE_TESTS features. | |
119 | # If in the future we need per-feature checks/flags for features not | |
120 | # mentioned in this list we need to refactor this ;-). | |
121 | set_test_all_flags = $(eval $(set_test_all_flags_code)) | |
122 | define set_test_all_flags_code | |
123 | FEATURE_CHECK_CFLAGS-all += $(FEATURE_CHECK_CFLAGS-$(1)) | |
124 | FEATURE_CHECK_LDFLAGS-all += $(FEATURE_CHECK_LDFLAGS-$(1)) | |
125 | endef | |
126 | ||
127 | $(foreach feat,$(FEATURE_TESTS),$(call set_test_all_flags,$(feat))) | |
128 | ||
129 | # | |
130 | # Special fast-path for the 'all features are available' case: | |
131 | # | |
132 | $(call feature_check,all,$(MSG)) | |
133 | ||
134 | # | |
135 | # Just in case the build freshly failed, make sure we print the | |
136 | # feature matrix: | |
137 | # | |
138 | ifeq ($(feature-all), 1) | |
139 | # | |
140 | # test-all.c passed - just set all the core feature flags to 1: | |
141 | # | |
142 | $(foreach feat,$(FEATURE_TESTS),$(call feature_set,$(feat))) | |
76c4aaec JO |
143 | # |
144 | # test-all.c does not comprise these tests, so we need to | |
145 | # for this case to get features proper values | |
146 | # | |
147 | $(call feature_check,compile-32) | |
148 | $(call feature_check,compile-x32) | |
149 | $(call feature_check,bionic) | |
150 | $(call feature_check,libbabeltrace) | |
0afc5cad | 151 | else |
0afc5cad JO |
152 | $(foreach feat,$(FEATURE_TESTS),$(call feature_check,$(feat))) |
153 | endif | |
154 | ||
155 | # | |
156 | # Print the result of the feature test: | |
157 | # | |
158 | feature_print_status = $(eval $(feature_print_status_code)) $(info $(MSG)) | |
159 | ||
160 | define feature_print_status_code | |
161 | ifeq ($(feature-$(1)), 1) | |
162 | MSG = $(shell printf '...%30s: [ \033[32mon\033[m ]' $(1)) | |
163 | else | |
164 | MSG = $(shell printf '...%30s: [ \033[31mOFF\033[m ]' $(1)) | |
165 | endif | |
166 | endef | |
167 | ||
168 | feature_print_text = $(eval $(feature_print_text_code)) $(info $(MSG)) | |
169 | define feature_print_text_code | |
170 | MSG = $(shell printf '...%30s: %s' $(1) $(2)) | |
171 | endef | |
172 | ||
c6a5f88f JO |
173 | # |
174 | # generates feature value assignment for name, like: | |
175 | # $(call feature_assign,dwarf) == feature-dwarf=1 | |
176 | # | |
177 | feature_assign = feature-$(1)=$(feature-$(1)) | |
178 | ||
13e96db6 | 179 | FEATURE_DUMP_FILENAME = $(OUTPUT)FEATURE-DUMP$(FEATURE_USER) |
936d120d JO |
180 | FEATURE_DUMP := $(shell touch $(FEATURE_DUMP_FILENAME); cat $(FEATURE_DUMP_FILENAME)) |
181 | ||
182 | feature_dump_check = $(eval $(feature_dump_check_code)) | |
183 | define feature_dump_check_code | |
184 | ifeq ($(findstring $(1),$(FEATURE_DUMP)),) | |
185 | $(2) := 1 | |
186 | endif | |
187 | endef | |
188 | ||
189 | # | |
190 | # First check if any test from FEATURE_DISPLAY | |
191 | # and set feature_display := 1 if it does | |
192 | $(foreach feat,$(FEATURE_DISPLAY),$(call feature_dump_check,$(call feature_assign,$(feat)),feature_display)) | |
193 | ||
194 | # | |
195 | # Now also check if any other test changed, | |
196 | # so we force FEATURE-DUMP generation | |
197 | $(foreach feat,$(FEATURE_TESTS),$(call feature_dump_check,$(call feature_assign,$(feat)),feature_dump_changed)) | |
0afc5cad | 198 | |
0afc5cad JO |
199 | # The $(feature_display) controls the default detection message |
200 | # output. It's set if: | |
201 | # - detected features differes from stored features from | |
13e96db6 | 202 | # last build (in $(FEATURE_DUMP_FILENAME) file) |
0afc5cad JO |
203 | # - one of the $(FEATURE_DISPLAY) is not detected |
204 | # - VF is enabled | |
205 | ||
936d120d JO |
206 | ifeq ($(feature_dump_changed),1) |
207 | $(shell rm -f $(FEATURE_DUMP_FILENAME)) | |
208 | $(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) | |
0afc5cad JO |
209 | endif |
210 | ||
6076e2a4 | 211 | feature_display_check = $(eval $(feature_check_display_code)) |
d0018b49 | 212 | define feature_check_display_code |
0afc5cad JO |
213 | ifneq ($(feature-$(1)), 1) |
214 | feature_display := 1 | |
215 | endif | |
216 | endef | |
217 | ||
218 | $(foreach feat,$(FEATURE_DISPLAY),$(call feature_display_check,$(feat))) | |
219 | ||
220 | ifeq ($(VF),1) | |
221 | feature_display := 1 | |
222 | feature_verbose := 1 | |
223 | endif | |
224 | ||
225 | ifeq ($(feature_display),1) | |
226 | $(info ) | |
227 | $(info Auto-detecting system features:) | |
228 | $(foreach feat,$(FEATURE_DISPLAY),$(call feature_print_status,$(feat),)) | |
0afc5cad JO |
229 | ifneq ($(feature_verbose),1) |
230 | $(info ) | |
231 | endif | |
232 | endif | |
233 | ||
234 | ifeq ($(feature_verbose),1) | |
235 | TMP := $(filter-out $(FEATURE_DISPLAY),$(FEATURE_TESTS)) | |
236 | $(foreach feat,$(TMP),$(call feature_print_status,$(feat),)) | |
237 | $(info ) | |
238 | endif |