1# Copyright 2018 The Chromium Authors 2# Use of this source code is governed by a BSD-style license that can be 3# found in the LICENSE file. 4 5# Flags specified here must not impact ABI. Code compiled with and without these 6# opts will be linked together, and in some cases headers compiled with and 7# without these options will be part of the same program. 8 9import("//build/config/c++/c++.gni") 10import("//build/config/nacl/config.gni") 11import("//build/config/sanitizers/sanitizers.gni") 12import("//build/toolchain/toolchain.gni") 13import("//build_overrides/build.gni") 14import("//third_party/abseil-cpp/absl.gni") 15 16config("absl_component_build") { 17 defines = [ "ABSL_CONSUME_DLL" ] 18} 19 20assert(!is_nacl || is_nacl_saigo, 21 "base must not be built in most nacl toolchains") 22 23component("absl") { 24 public_deps = [ ":absl_component_deps" ] 25 if (is_component_build) { 26 public_configs = [ ":absl_component_build" ] 27 28 if (is_win && is_clang) { 29 if (current_cpu == "x64") { 30 if (is_debug) { 31 sources = [ "symbols_x64_dbg.def" ] 32 } else { 33 if (is_asan) { 34 sources = [ "symbols_x64_rel_asan.def" ] 35 } else { 36 sources = [ "symbols_x64_rel.def" ] 37 } 38 } 39 } 40 if (current_cpu == "x86") { 41 if (is_debug) { 42 sources = [ "symbols_x86_dbg.def" ] 43 } else { 44 sources = [ "symbols_x86_rel.def" ] 45 } 46 } 47 if (current_cpu == "arm64") { 48 if (is_debug) { 49 sources = [ "symbols_arm64_dbg.def" ] 50 } else { 51 sources = [ "symbols_arm64_rel.def" ] 52 } 53 } 54 } 55 } 56} 57 58group("absl_component_deps") { 59 public_deps = [ 60 "//third_party/abseil-cpp/absl/algorithm:container", 61 "//third_party/abseil-cpp/absl/base", 62 "//third_party/abseil-cpp/absl/base:config", 63 "//third_party/abseil-cpp/absl/base:core_headers", 64 "//third_party/abseil-cpp/absl/base:no_destructor", 65 "//third_party/abseil-cpp/absl/base:nullability", 66 "//third_party/abseil-cpp/absl/base:prefetch", 67 "//third_party/abseil-cpp/absl/cleanup", 68 "//third_party/abseil-cpp/absl/container:btree", 69 "//third_party/abseil-cpp/absl/container:fixed_array", 70 "//third_party/abseil-cpp/absl/container:flat_hash_map", 71 "//third_party/abseil-cpp/absl/container:flat_hash_set", 72 "//third_party/abseil-cpp/absl/container:inlined_vector", 73 "//third_party/abseil-cpp/absl/container:node_hash_map", 74 "//third_party/abseil-cpp/absl/container:node_hash_set", 75 "//third_party/abseil-cpp/absl/debugging:failure_signal_handler", 76 "//third_party/abseil-cpp/absl/debugging:stacktrace", 77 "//third_party/abseil-cpp/absl/debugging:symbolize", 78 "//third_party/abseil-cpp/absl/functional:any_invocable", 79 "//third_party/abseil-cpp/absl/functional:bind_front", 80 "//third_party/abseil-cpp/absl/functional:function_ref", 81 "//third_party/abseil-cpp/absl/functional:overload", 82 "//third_party/abseil-cpp/absl/hash", 83 "//third_party/abseil-cpp/absl/log:absl_check", 84 "//third_party/abseil-cpp/absl/log:absl_log", 85 "//third_party/abseil-cpp/absl/log:die_if_null", 86 "//third_party/abseil-cpp/absl/memory", 87 "//third_party/abseil-cpp/absl/meta:type_traits", 88 "//third_party/abseil-cpp/absl/numeric:bits", 89 "//third_party/abseil-cpp/absl/numeric:int128", 90 "//third_party/abseil-cpp/absl/random", 91 "//third_party/abseil-cpp/absl/random:distributions", 92 "//third_party/abseil-cpp/absl/status", 93 "//third_party/abseil-cpp/absl/status:statusor", 94 "//third_party/abseil-cpp/absl/strings", 95 "//third_party/abseil-cpp/absl/strings:cord", 96 "//third_party/abseil-cpp/absl/strings:has_ostream_operator", 97 "//third_party/abseil-cpp/absl/strings:str_format", 98 "//third_party/abseil-cpp/absl/strings:string_view", 99 "//third_party/abseil-cpp/absl/synchronization", 100 "//third_party/abseil-cpp/absl/time", 101 "//third_party/abseil-cpp/absl/types:optional", 102 "//third_party/abseil-cpp/absl/types:span", 103 "//third_party/abseil-cpp/absl/types:variant", 104 "//third_party/abseil-cpp/absl/utility", 105 ] 106 107 if (is_component_build) { 108 public_deps += [ ":absl_full_deps" ] 109 } 110 111 # The following dependencies currently don't build with NaCl. 112 # TODO(https://crbug.com/1114625): Fix build errors and remove this section. 113 if (is_nacl) { 114 public_deps -= 115 [ "//third_party/abseil-cpp/absl/debugging:failure_signal_handler" ] 116 } 117 118 visibility = [ ":absl" ] 119} 120 121# Some third-party libraries use additional parts of absl that are banned in 122# Chrome (e.g. flags generates static initializers that are undesirable in 123# non-test binaries). These third-party libraries can depend on `absl_full` 124# instead of `absl` to use those banned subsets of Abseil as well. 125source_set("absl_full") { 126 public_deps = [ ":absl" ] 127 128 # In component builds, `absl` itself depends on `absl_full_deps` directly so 129 # that all of absl is built as a single shared library. This is to prevent 130 # globals from being duplicated between both `absl` and `absl_full` (e.g. 131 # inline variables), and the subtle breakage that could cause. 132 # 133 # Deps violations will still be enforced by the non-component build. 134 if (!is_component_build) { 135 public_deps += [ ":absl_full_deps" ] 136 } 137 138 if (build_with_chromium) { 139 visibility = [ 140 "//third_party/fuzztest:*", 141 142 # GoogleTest doesn't actually need absl_full, but this makes gn check 143 # happier. 144 "//third_party/googletest:*", 145 ] 146 } 147} 148 149group("absl_full_deps") { 150 public_deps = [ 151 # Banned because each flag registration generates a static initializer, and 152 # the flag registration mechanism is problematic in component builds. 153 "//third_party/abseil-cpp/absl/flags:config", 154 "//third_party/abseil-cpp/absl/flags:flag", 155 "//third_party/abseil-cpp/absl/flags:parse", 156 "//third_party/abseil-cpp/absl/flags:reflection", 157 "//third_party/abseil-cpp/absl/flags:usage", 158 159 # Banned because the LOG and CHECK macros conflict with Chrome's version of 160 # those macros. 161 "//third_party/abseil-cpp/absl/log", 162 "//third_party/abseil-cpp/absl/log:check", 163 164 # TODO(danilchap): Investigate if these targets need to be banned in 3rd party library code. 165 "//third_party/abseil-cpp/absl/log:globals", 166 "//third_party/abseil-cpp/absl/log:initialize", 167 "//third_party/abseil-cpp/absl/random:bit_gen_ref", 168 ] 169 170 visibility = [ 171 ":absl_component_deps", 172 ":absl_full", 173 ] 174 175 public_configs = [ "//third_party/abseil-cpp/absl/flags:absl_flags_config" ] 176} 177 178config("absl_include_config") { 179 include_dirs = [ "." ] 180} 181 182config("absl_define_config") { 183 defines = [ "ABSL_ALLOCATOR_NOTHROW=1" ] 184 185 if (is_win && !use_custom_libcxx) { 186 defines += [ 187 # See crbug.com/1101367: Acknowledge extended alignment when using 188 # MSVC's standard library. 189 "_ENABLE_EXTENDED_ALIGNED_STORAGE", 190 ] 191 } 192} 193 194config("absl_default_cflags_cc") { 195 cflags_cc = [] 196 if (is_clang) { 197 cflags_cc += [ 198 # TODO(crbug.com/588506): Explicitly enable conversion warnings. 199 "-Wbool-conversion", 200 "-Wconstant-conversion", 201 "-Wenum-conversion", 202 "-Wint-conversion", 203 "-Wliteral-conversion", 204 "-Wnon-literal-null-conversion", 205 "-Wnull-conversion", 206 "-Wobjc-literal-conversion", 207 "-Wstring-conversion", 208 ] 209 if (!is_nacl) { 210 cflags_cc += [ "-Wbitfield-enum-conversion" ] 211 } 212 } 213} 214 215config("absl_public_cflags_cc") { 216 # Non-chromium users of abseil have more lax style guides and use additional features in 217 # abseil, Remove a few extra warnings for that use case. 218 if (!build_with_chromium && is_clang) { 219 cflags = [ 220 # Allow the use of enable_if() 221 "-Wno-gcc-compat", 222 "-Wno-unreachable-code-break", 223 ] 224 } 225} 226 227config("absl_test_cflags_cc") { 228 cflags_cc = [] 229 if (is_clang || !is_win) { 230 cflags_cc += [ 231 "-Wno-conversion-null", 232 "-Wno-missing-declarations", 233 "-Wno-unused-function", 234 "-Wno-unused-parameter", 235 "-Wno-unused-private-field", 236 ] 237 } 238 if (is_win) { 239 cflags_cc += [ 240 "/wd4101", # unreferenced local variable 241 ] 242 } 243} 244 245config("absl_test_config") { 246 cflags_cc = [] 247 if (is_win && !is_clang) { 248 cflags_cc += [ "/wd4996" ] 249 } 250 if (is_clang) { 251 cflags_cc += [ 252 "-Wno-deprecated-declarations", 253 "-Wno-implicit-const-int-float-conversion", 254 "-Wno-unused-private-field", 255 "-Wno-unused-function", 256 ] 257 } 258} 259 260if (absl_build_tests) { 261 import("//testing/test.gni") 262 263 if (!is_component_build) { 264 test("absl_tests") { 265 testonly = true 266 deps = [ 267 "absl/algorithm:algorithm_test", 268 "absl/algorithm:container_test", 269 "absl/base:config_test", 270 "absl/base:no_destructor_test", 271 "absl/base:nullability_test", 272 "absl/base:prefetch_test", 273 "absl/cleanup:cleanup_test", 274 275 # TODO(mbonadei): Fix issue with EXPECT_DEATH and uncomment. 276 # "absl/container:btree_test", 277 "absl/container:common_policy_traits_test", 278 "absl/container:fixed_array_test", 279 "absl/container:flat_hash_map_test", 280 "absl/container:flat_hash_set_test", 281 "absl/container:hash_function_defaults_test", 282 "absl/container:inlined_vector_test", 283 "absl/container:node_slot_policy_test", 284 "absl/container:raw_hash_set_allocator_test", 285 "absl/container:raw_hash_set_test", 286 "absl/container:sample_element_size_test", 287 "absl/crc:crc32c_test", 288 "absl/crc:crc_cord_state_test", 289 "absl/crc:crc_memcpy_test", 290 "absl/crc:non_temporal_memcpy_test", 291 "absl/debugging:stacktrace_test", 292 "absl/flags:flag_test", 293 "absl/functional:any_invocable_test", 294 "absl/functional:function_ref_test", 295 "absl/functional:overload_test", 296 "absl/hash:hash_instantiated_test", 297 "absl/hash:hash_test", 298 "absl/hash:low_level_hash_test", 299 "absl/log:absl_check_test", 300 "absl/log:absl_log_basic_test", 301 "absl/log:die_if_null_test", 302 "absl/log:flags_test", 303 "absl/log:globals_test", 304 "absl/log:log_entry_test", 305 "absl/log:log_format_test", 306 "absl/log:log_macro_hygiene_test", 307 "absl/log:log_modifier_methods_test", 308 "absl/log:log_sink_test", 309 "absl/log:log_streamer_test", 310 "absl/log:scoped_mock_log_test", 311 "absl/log:stripping_test", 312 "absl/log:vlog_is_on_test", 313 "absl/log/internal:fnmatch_test", 314 "absl/log/internal:stderr_log_sink_test", 315 "absl/memory:memory_test", 316 "absl/meta:type_traits_test", 317 "absl/numeric:int128_test", 318 "absl/profiling:exponential_biased_test", 319 "absl/profiling:periodic_sampler_test", 320 "absl/status:status_test", 321 "absl/status:statusor_test", 322 "absl/strings:ascii_test", 323 "absl/strings:char_formatting_test", 324 "absl/strings:charset_test", 325 "absl/strings:cord_buffer_test", 326 "absl/strings:cord_data_edge_test", 327 "absl/strings:cord_rep_btree_navigator_test", 328 "absl/strings:cord_rep_btree_reader_test", 329 "absl/strings:cord_rep_btree_test", 330 "absl/strings:cord_rep_crc_test", 331 "absl/strings:cordz_functions_test", 332 "absl/strings:cordz_info_statistics_test", 333 "absl/strings:cordz_info_test", 334 "absl/strings:cordz_test", 335 "absl/strings:cordz_update_scope_test", 336 "absl/strings:cordz_update_tracker_test", 337 "absl/strings:damerau_levenshtein_distance_test", 338 "absl/strings:has_absl_stringify_test", 339 "absl/strings:has_ostream_operator_test", 340 "absl/strings:match_test", 341 "absl/strings:str_format_arg_test", 342 "absl/strings:str_format_bind_test", 343 "absl/strings:str_format_checker_test", 344 "absl/strings:str_format_convert_test", 345 "absl/strings:str_format_extension_test", 346 "absl/strings:str_format_output_test", 347 "absl/strings:str_format_parser_test", 348 "absl/strings:str_format_test", 349 "absl/strings:str_replace_test", 350 "absl/strings:string_view_test", 351 "absl/synchronization:kernel_timeout_internal_test", 352 "absl/synchronization:waiter_test", 353 "absl/time:time_test", 354 "absl/types:optional_test", 355 "absl/types:span_test", 356 "absl/types:variant_test", 357 "absl/utility:if_constexpr_test", 358 "//third_party/googletest:gtest_main", 359 ] 360 } 361 } 362 363 test("absl_hardening_tests") { 364 testonly = true 365 sources = [ "absl_hardening_test.cc" ] 366 deps = [ 367 ":absl", 368 "//base/test:run_all_unittests", 369 "//third_party/googletest:gtest", 370 ] 371 } 372} 373