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 $(feature_check_code)) | |
9 | define feature_check_code | |
970e87b3 | 10 | feature-$(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) |
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 | # | |
8135c8c7 | 30 | FEATURE_TESTS ?= \ |
0afc5cad JO |
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 \ | |
f8ac8606 | 44 | numa_num_possible_cpus \ |
0afc5cad JO |
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 \ | |
6c6f0f61 | 54 | zlib \ |
b0063dbf | 55 | lzma \ |
ed63f34c WN |
56 | get_cpuid \ |
57 | bpf | |
0afc5cad | 58 | |
8135c8c7 | 59 | FEATURE_DISPLAY ?= \ |
0afc5cad JO |
60 | dwarf \ |
61 | glibc \ | |
62 | gtk2 \ | |
63 | libaudit \ | |
64 | libbfd \ | |
65 | libelf \ | |
66 | libnuma \ | |
f8ac8606 | 67 | numa_num_possible_cpus \ |
0afc5cad JO |
68 | libperl \ |
69 | libpython \ | |
70 | libslang \ | |
71 | libunwind \ | |
72 | libdw-dwarf-unwind \ | |
6c6f0f61 | 73 | zlib \ |
b0063dbf | 74 | lzma \ |
ed63f34c WN |
75 | get_cpuid \ |
76 | bpf | |
0afc5cad JO |
77 | |
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 | |
86 | ||
87 | $(foreach feat,$(FEATURE_TESTS),$(call set_test_all_flags,$(feat))) | |
88 | ||
89 | # | |
90 | # Special fast-path for the 'all features are available' case: | |
91 | # | |
92 | $(call feature_check,all,$(MSG)) | |
93 | ||
94 | # | |
95 | # Just in case the build freshly failed, make sure we print the | |
96 | # feature matrix: | |
97 | # | |
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 | |
970e87b3 | 104 | $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS)" LDFLAGS=$(LDFLAGS) -i -j -C $(feature_dir) $(addsuffix .bin,$(FEATURE_TESTS)) >/dev/null 2>&1) |
0afc5cad JO |
105 | $(foreach feat,$(FEATURE_TESTS),$(call feature_check,$(feat))) |
106 | endif | |
107 | ||
108 | # | |
109 | # Print the result of the feature test: | |
110 | # | |
111 | feature_print_status = $(eval $(feature_print_status_code)) $(info $(MSG)) | |
112 | ||
113 | define feature_print_status_code | |
114 | ifeq ($(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 | |
120 | ||
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 | |
125 | ||
13e96db6 | 126 | FEATURE_DUMP_FILENAME = $(OUTPUT)FEATURE-DUMP$(FEATURE_USER) |
0afc5cad | 127 | FEATURE_DUMP := $(foreach feat,$(FEATURE_DISPLAY),feature-$(feat)($(feature-$(feat)))) |
13e96db6 | 128 | FEATURE_DUMP_FILE := $(shell touch $(FEATURE_DUMP_FILENAME); cat $(FEATURE_DUMP_FILENAME)) |
0afc5cad JO |
129 | |
130 | ifeq ($(dwarf-post-unwind),1) | |
131 | FEATURE_DUMP += dwarf-post-unwind($(dwarf-post-unwind-text)) | |
132 | endif | |
133 | ||
134 | # The $(feature_display) controls the default detection message | |
135 | # output. It's set if: | |
136 | # - detected features differes from stored features from | |
13e96db6 | 137 | # last build (in $(FEATURE_DUMP_FILENAME) file) |
0afc5cad JO |
138 | # - one of the $(FEATURE_DISPLAY) is not detected |
139 | # - VF is enabled | |
140 | ||
141 | ifneq ("$(FEATURE_DUMP)","$(FEATURE_DUMP_FILE)") | |
13e96db6 | 142 | $(shell echo "$(FEATURE_DUMP)" > $(FEATURE_DUMP_FILENAME)) |
0afc5cad JO |
143 | feature_display := 1 |
144 | endif | |
145 | ||
6076e2a4 | 146 | feature_display_check = $(eval $(feature_check_display_code)) |
0afc5cad JO |
147 | define feature_display_check_code |
148 | ifneq ($(feature-$(1)), 1) | |
149 | feature_display := 1 | |
150 | endif | |
151 | endef | |
152 | ||
153 | $(foreach feat,$(FEATURE_DISPLAY),$(call feature_display_check,$(feat))) | |
154 | ||
155 | ifeq ($(VF),1) | |
156 | feature_display := 1 | |
157 | feature_verbose := 1 | |
158 | endif | |
159 | ||
160 | ifeq ($(feature_display),1) | |
161 | $(info ) | |
162 | $(info Auto-detecting system features:) | |
163 | $(foreach feat,$(FEATURE_DISPLAY),$(call feature_print_status,$(feat),)) | |
164 | ||
165 | ifeq ($(dwarf-post-unwind),1) | |
166 | $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) | |
167 | endif | |
168 | ||
169 | ifneq ($(feature_verbose),1) | |
170 | $(info ) | |
171 | endif | |
172 | endif | |
173 | ||
174 | ifeq ($(feature_verbose),1) | |
175 | TMP := $(filter-out $(FEATURE_DISPLAY),$(FEATURE_TESTS)) | |
176 | $(foreach feat,$(TMP),$(call feature_print_status,$(feat),)) | |
177 | $(info ) | |
178 | endif |