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 \ | |
44 | libperl \ | |
45 | libpython \ | |
46 | libpython-version \ | |
47 | libslang \ | |
48 | libunwind \ | |
49 | pthread-attr-setaffinity-np \ | |
50 | stackprotector-all \ | |
51 | timerfd \ | |
52 | libdw-dwarf-unwind \ | |
6c6f0f61 JO |
53 | zlib \ |
54 | lzma | |
0afc5cad | 55 | |
8135c8c7 | 56 | FEATURE_DISPLAY ?= \ |
0afc5cad JO |
57 | dwarf \ |
58 | glibc \ | |
59 | gtk2 \ | |
60 | libaudit \ | |
61 | libbfd \ | |
62 | libelf \ | |
63 | libnuma \ | |
64 | libperl \ | |
65 | libpython \ | |
66 | libslang \ | |
67 | libunwind \ | |
68 | libdw-dwarf-unwind \ | |
6c6f0f61 JO |
69 | zlib \ |
70 | lzma | |
0afc5cad JO |
71 | |
72 | # Set FEATURE_CHECK_(C|LD)FLAGS-all for all FEATURE_TESTS features. | |
73 | # If in the future we need per-feature checks/flags for features not | |
74 | # mentioned in this list we need to refactor this ;-). | |
75 | set_test_all_flags = $(eval $(set_test_all_flags_code)) | |
76 | define set_test_all_flags_code | |
77 | FEATURE_CHECK_CFLAGS-all += $(FEATURE_CHECK_CFLAGS-$(1)) | |
78 | FEATURE_CHECK_LDFLAGS-all += $(FEATURE_CHECK_LDFLAGS-$(1)) | |
79 | endef | |
80 | ||
81 | $(foreach feat,$(FEATURE_TESTS),$(call set_test_all_flags,$(feat))) | |
82 | ||
83 | # | |
84 | # Special fast-path for the 'all features are available' case: | |
85 | # | |
86 | $(call feature_check,all,$(MSG)) | |
87 | ||
88 | # | |
89 | # Just in case the build freshly failed, make sure we print the | |
90 | # feature matrix: | |
91 | # | |
92 | ifeq ($(feature-all), 1) | |
93 | # | |
94 | # test-all.c passed - just set all the core feature flags to 1: | |
95 | # | |
96 | $(foreach feat,$(FEATURE_TESTS),$(call feature_set,$(feat))) | |
97 | else | |
970e87b3 | 98 | $(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 |
99 | $(foreach feat,$(FEATURE_TESTS),$(call feature_check,$(feat))) |
100 | endif | |
101 | ||
102 | # | |
103 | # Print the result of the feature test: | |
104 | # | |
105 | feature_print_status = $(eval $(feature_print_status_code)) $(info $(MSG)) | |
106 | ||
107 | define feature_print_status_code | |
108 | ifeq ($(feature-$(1)), 1) | |
109 | MSG = $(shell printf '...%30s: [ \033[32mon\033[m ]' $(1)) | |
110 | else | |
111 | MSG = $(shell printf '...%30s: [ \033[31mOFF\033[m ]' $(1)) | |
112 | endif | |
113 | endef | |
114 | ||
115 | feature_print_text = $(eval $(feature_print_text_code)) $(info $(MSG)) | |
116 | define feature_print_text_code | |
117 | MSG = $(shell printf '...%30s: %s' $(1) $(2)) | |
118 | endef | |
119 | ||
120 | FEATURE_DUMP := $(foreach feat,$(FEATURE_DISPLAY),feature-$(feat)($(feature-$(feat)))) | |
121 | FEATURE_DUMP_FILE := $(shell touch $(OUTPUT)FEATURE-DUMP; cat $(OUTPUT)FEATURE-DUMP) | |
122 | ||
123 | ifeq ($(dwarf-post-unwind),1) | |
124 | FEATURE_DUMP += dwarf-post-unwind($(dwarf-post-unwind-text)) | |
125 | endif | |
126 | ||
127 | # The $(feature_display) controls the default detection message | |
128 | # output. It's set if: | |
129 | # - detected features differes from stored features from | |
130 | # last build (in FEATURE-DUMP file) | |
131 | # - one of the $(FEATURE_DISPLAY) is not detected | |
132 | # - VF is enabled | |
133 | ||
134 | ifneq ("$(FEATURE_DUMP)","$(FEATURE_DUMP_FILE)") | |
135 | $(shell echo "$(FEATURE_DUMP)" > $(OUTPUT)FEATURE-DUMP) | |
136 | feature_display := 1 | |
137 | endif | |
138 | ||
139 | feature_display_check = $(eval $(feature_check_code)) | |
140 | define feature_display_check_code | |
141 | ifneq ($(feature-$(1)), 1) | |
142 | feature_display := 1 | |
143 | endif | |
144 | endef | |
145 | ||
146 | $(foreach feat,$(FEATURE_DISPLAY),$(call feature_display_check,$(feat))) | |
147 | ||
148 | ifeq ($(VF),1) | |
149 | feature_display := 1 | |
150 | feature_verbose := 1 | |
151 | endif | |
152 | ||
153 | ifeq ($(feature_display),1) | |
154 | $(info ) | |
155 | $(info Auto-detecting system features:) | |
156 | $(foreach feat,$(FEATURE_DISPLAY),$(call feature_print_status,$(feat),)) | |
157 | ||
158 | ifeq ($(dwarf-post-unwind),1) | |
159 | $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) | |
160 | endif | |
161 | ||
162 | ifneq ($(feature_verbose),1) | |
163 | $(info ) | |
164 | endif | |
165 | endif | |
166 | ||
167 | ifeq ($(feature_verbose),1) | |
168 | TMP := $(filter-out $(FEATURE_DISPLAY),$(FEATURE_TESTS)) | |
169 | $(foreach feat,$(TMP),$(call feature_print_status,$(feat),)) | |
170 | $(info ) | |
171 | endif |