1 # Copyright 2012 the V8 project authors. All rights reserved. 2 # Redistribution and use in source and binary forms, with or without 3 # modification, are permitted provided that the following conditions are 4 # met: 5 # 6 # * Redistributions of source code must retain the above copyright 7 # notice, this list of conditions and the following disclaimer. 8 # * Redistributions in binary form must reproduce the above 9 # copyright notice, this list of conditions and the following 10 # disclaimer in the documentation and/or other materials provided 11 # with the distribution. 12 # * Neither the name of Google Inc. nor the names of its 13 # contributors may be used to endorse or promote products derived 14 # from this software without specific prior written permission. 15 # 16 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28 # Definitions to be used when building stand-alone V8 binaries. 29 30 { 31 # We need to include toolchain.gypi here for third-party sources that don't 32 # directly include it themselves. 33 'includes': ['toolchain.gypi'], 34 'variables': { 35 'component%': 'static_library', 36 'clang_xcode%': 0, 37 # Track where uninitialized memory originates from. From fastest to 38 # slowest: 0 - no tracking, 1 - track only the initial allocation site, 2 39 # - track the chain of stores leading from allocation site to use site. 40 'msan_track_origins%': 2, 41 'visibility%': 'hidden', 42 'v8_enable_backtrace%': 0, 43 'v8_enable_i18n_support%': 1, 44 'v8_deprecation_warnings': 1, 45 'v8_imminent_deprecation_warnings': 1, 46 'msvs_multi_core_compile%': '1', 47 'mac_deployment_target%': '10.7', 48 'release_extra_cflags%': '', 49 'v8_enable_inspector%': 0, 50 'variables': { 51 'variables': { 52 'variables': { 53 'variables': { 54 'conditions': [ 55 ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or \ 56 OS=="netbsd" or OS=="mac" or OS=="qnx" or OS=="aix"', { 57 # This handles the Unix platforms we generally deal with. 58 # Anything else gets passed through, which probably won't work 59 # very well; such hosts should pass an explicit target_arch 60 # to gyp. 61 'host_arch%': '<!pymod_do_main(detect_v8_host_arch)', 62 }, { 63 # OS!="linux" and OS!="freebsd" and OS!="openbsd" and 64 # OS!="netbsd" and OS!="mac" and OS!="aix" 65 'host_arch%': 'ia32', 66 }], 67 ], 68 }, 69 'host_arch%': '<(host_arch)', 70 'target_arch%': '<(host_arch)', 71 72 # By default we build against a stable sysroot image to avoid 73 # depending on the packages installed on the local machine. Set this 74 # to 0 to build against locally installed headers and libraries (e.g. 75 # if packaging for a linux distro) 76 'use_sysroot%': 1, 77 }, 78 'host_arch%': '<(host_arch)', 79 'target_arch%': '<(target_arch)', 80 'use_sysroot%': '<(use_sysroot)', 81 'base_dir%': '<!(cd <(DEPTH) && python -c "import os; print os.getcwd()")', 82 83 # Instrument for code coverage and use coverage wrapper to exclude some 84 # files. Uses gcov if clang=0 is set explicitly. Otherwise, 85 # sanitizer_coverage must be set too. 86 'coverage%': 0, 87 88 # Default sysroot if no sysroot can be provided. 89 'sysroot%': '', 90 91 'conditions': [ 92 # The system root for linux builds. 93 ['OS=="linux" and use_sysroot==1', { 94 'conditions': [ 95 ['target_arch=="arm"', { 96 'sysroot%': '<!(cd <(DEPTH) && pwd -P)/build/linux/debian_wheezy_arm-sysroot', 97 }], 98 ['target_arch=="x64"', { 99 'sysroot%': '<!(cd <(DEPTH) && pwd -P)/build/linux/debian_wheezy_amd64-sysroot', 100 }], 101 ['target_arch=="ia32"', { 102 'sysroot%': '<!(cd <(DEPTH) && pwd -P)/build/linux/debian_wheezy_i386-sysroot', 103 }], 104 ['target_arch=="mipsel"', { 105 'sysroot%': '<!(cd <(DEPTH) && pwd -P)/build/linux/debian_wheezy_mips-sysroot', 106 }], 107 ], 108 }], # OS=="linux" and use_sysroot==1 109 ], 110 }, 111 'base_dir%': '<(base_dir)', 112 'host_arch%': '<(host_arch)', 113 'target_arch%': '<(target_arch)', 114 'v8_target_arch%': '<(target_arch)', 115 'coverage%': '<(coverage)', 116 'sysroot%': '<(sysroot)', 117 'asan%': 0, 118 'lsan%': 0, 119 'msan%': 0, 120 'tsan%': 0, 121 # Enable coverage gathering instrumentation in sanitizer tools. This flag 122 # also controls coverage granularity (1 for function-level, 2 for 123 # block-level, 3 for edge-level). 124 'sanitizer_coverage%': 0, 125 126 # Use dynamic libraries instrumented by one of the sanitizers 127 # instead of the standard system libraries. Set this flag to download 128 # prebuilt binaries from GCS. 129 'use_prebuilt_instrumented_libraries%': 0, 130 131 # Use libc++ (buildtools/third_party/libc++ and 132 # buildtools/third_party/libc++abi) instead of stdlibc++ as standard 133 # library. This is intended to be used for instrumented builds. 134 'use_custom_libcxx%': 0, 135 136 'clang_dir%': '<(base_dir)/third_party/llvm-build/Release+Asserts', 137 'make_clang_dir%': '<(base_dir)/third_party/llvm-build/Release+Asserts', 138 139 'use_lto%': 0, 140 141 # Control Flow Integrity for virtual calls and casts. 142 # See http://clang.llvm.org/docs/ControlFlowIntegrity.html 143 'cfi_vptr%': 0, 144 'cfi_diag%': 0, 145 146 'cfi_blacklist%': '<(base_dir)/tools/cfi/blacklist.txt', 147 148 # Set to 1 to enable fast builds. 149 # TODO(machenbach): Only configured for windows. 150 'fastbuild%': 0, 151 152 # goma settings. 153 # 1 to use goma. 154 # If no gomadir is set, it uses the default gomadir. 155 'use_goma%': 0, 156 'gomadir%': '', 157 158 'test_isolation_mode%': 'noop', 159 160 # By default, use ICU data file (icudtl.dat). 161 'icu_use_data_file_flag%': 1, 162 163 'conditions': [ 164 # Set default gomadir. 165 ['OS=="win"', { 166 'gomadir': 'c:\\goma\\goma-win', 167 }, { 168 'gomadir': '<!(/bin/echo -n ${HOME}/goma)', 169 }], 170 ['host_arch!="ppc" and host_arch!="ppc64" and host_arch!="ppc64le" and host_arch!="s390" and host_arch!="s390x"', { 171 'host_clang%': 1, 172 }, { 173 'host_clang%': 0, 174 }], 175 # linux_use_bundled_gold: whether to use the gold linker binary checked 176 # into third_party/binutils. Force this off via GYP_DEFINES when you 177 # are using a custom toolchain and need to control -B in ldflags. 178 # Do not use 32-bit gold on 32-bit hosts as it runs out address space 179 # for component=static_library builds. 180 ['((OS=="linux" or OS=="android") and (target_arch=="x64" or target_arch=="arm" or (target_arch=="ia32" and host_arch=="x64"))) or (OS=="linux" and target_arch=="mipsel")', { 181 'linux_use_bundled_gold%': 1, 182 }, { 183 'linux_use_bundled_gold%': 0, 184 }], 185 ], 186 }, 187 'base_dir%': '<(base_dir)', 188 'clang_dir%': '<(clang_dir)', 189 'make_clang_dir%': '<(make_clang_dir)', 190 'host_arch%': '<(host_arch)', 191 'host_clang%': '<(host_clang)', 192 'target_arch%': '<(target_arch)', 193 'v8_target_arch%': '<(v8_target_arch)', 194 'werror%': '-Werror', 195 'use_goma%': '<(use_goma)', 196 'gomadir%': '<(gomadir)', 197 'asan%': '<(asan)', 198 'lsan%': '<(lsan)', 199 'msan%': '<(msan)', 200 'tsan%': '<(tsan)', 201 'sanitizer_coverage%': '<(sanitizer_coverage)', 202 'use_prebuilt_instrumented_libraries%': '<(use_prebuilt_instrumented_libraries)', 203 'use_custom_libcxx%': '<(use_custom_libcxx)', 204 'linux_use_bundled_gold%': '<(linux_use_bundled_gold)', 205 'use_lto%': '<(use_lto)', 206 'cfi_vptr%': '<(cfi_vptr)', 207 'cfi_diag%': '<(cfi_diag)', 208 'cfi_blacklist%': '<(cfi_blacklist)', 209 'test_isolation_mode%': '<(test_isolation_mode)', 210 'fastbuild%': '<(fastbuild)', 211 'coverage%': '<(coverage)', 212 'sysroot%': '<(sysroot)', 213 'icu_use_data_file_flag%': '<(icu_use_data_file_flag)', 214 215 # Add a simple extras solely for the purpose of the cctests 216 'v8_extra_library_files': ['../test/cctest/test-extra.js'], 217 'v8_experimental_extra_library_files': ['../test/cctest/test-experimental-extra.js'], 218 219 # .gyp files or targets should set v8_code to 1 if they build V8 specific 220 # code, as opposed to external code. This variable is used to control such 221 # things as the set of warnings to enable, and whether warnings are treated 222 # as errors. 223 'v8_code%': 0, 224 225 # Speeds up Debug builds: 226 # 0 - Compiler optimizations off (debuggable) (default). This may 227 # be 5x slower than Release (or worse). 228 # 1 - Turn on optimizations and disable slow DCHECKs, but leave 229 # V8_ENABLE_CHECKS and most other assertions enabled. This may cause 230 # some v8 tests to fail in the Debug configuration. This roughly 231 # matches the performance of a Release build and can be used by 232 # embedders that need to build their own code as debug but don't want 233 # or need a debug version of V8. This should produce near-release 234 # speeds. 235 'v8_optimized_debug%': 0, 236 237 # Use external files for startup data blobs: 238 # the JS builtins sources and the start snapshot. 239 # Embedders that don't use standalone.gypi will need to add 240 # their own default value. 241 'v8_use_external_startup_data%': 1, 242 243 # Relative path to icu.gyp from this file. 244 'icu_gyp_path': '../third_party/icu/icu.gyp', 245 246 # Relative path to inspector.gyp from this file. 247 'inspector_gyp_path': '../src/v8-inspector/inspector.gyp', 248 249 'conditions': [ 250 ['(v8_target_arch=="arm" and host_arch!="arm") or \ 251 (v8_target_arch=="arm64" and host_arch!="arm64") or \ 252 (v8_target_arch=="mipsel" and host_arch!="mipsel") or \ 253 (v8_target_arch=="mips64el" and host_arch!="mips64el") or \ 254 (v8_target_arch=="x64" and host_arch!="x64") or \ 255 (OS=="android" or OS=="qnx")', { 256 'want_separate_host_toolset': 1, 257 }, { 258 'want_separate_host_toolset': 0, 259 }], 260 ['(v8_target_arch=="arm" and host_arch!="arm") or \ 261 (v8_target_arch=="arm64" and host_arch!="arm64") or \ 262 (v8_target_arch=="mipsel" and host_arch!="mipsel") or \ 263 (v8_target_arch=="mips64el" and host_arch!="mips64el") or \ 264 (v8_target_arch=="mips" and host_arch!="mips") or \ 265 (v8_target_arch=="mips64" and host_arch!="mips64") or \ 266 (v8_target_arch=="x64" and host_arch!="x64") or \ 267 (OS=="android" or OS=="qnx")', { 268 'want_separate_host_toolset_mkpeephole': 1, 269 }, { 270 'want_separate_host_toolset_mkpeephole': 0, 271 }], 272 ['OS == "win"', { 273 'os_posix%': 0, 274 }, { 275 'os_posix%': 1, 276 }], 277 ['OS=="win" and use_goma==1', { 278 # goma doesn't support pch yet. 279 'chromium_win_pch': 0, 280 # goma doesn't support PDB yet. 281 'fastbuild%': 1, 282 }], 283 ['((v8_target_arch=="ia32" or v8_target_arch=="x64" or v8_target_arch=="x87") and \ 284 (OS=="linux" or OS=="mac")) or (v8_target_arch=="ppc64" and OS=="linux")', { 285 'v8_enable_gdbjit%': 1, 286 }, { 287 'v8_enable_gdbjit%': 0, 288 }], 289 ['(OS=="linux" or OS=="mac") and (target_arch=="ia32" or target_arch=="x64") and \ 290 (v8_target_arch!="x87" and v8_target_arch!="x32")', { 291 'clang%': 1, 292 }, { 293 'clang%': 0, 294 }], 295 ['asan==1 or lsan==1 or msan==1 or tsan==1', { 296 'clang%': 1, 297 'use_allocator%': 'none', 298 }], 299 ['asan==1 and OS=="linux"', { 300 'use_custom_libcxx%': 1, 301 }], 302 ['tsan==1', { 303 'use_custom_libcxx%': 1, 304 }], 305 ['msan==1', { 306 # Use a just-built, MSan-instrumented libc++ instead of the system-wide 307 # libstdc++. This is required to avoid false positive reports whenever 308 # the C++ standard library is used. 309 'use_custom_libcxx%': 1, 310 }], 311 ['cfi_vptr==1', { 312 'use_lto%': 1, 313 }], 314 ['OS=="android"', { 315 # Location of Android NDK. 316 'variables': { 317 'variables': { 318 # The Android toolchain needs to use the absolute path to the NDK 319 # because it is used at different levels in the GYP files. 320 'android_ndk_root%': '<(base_dir)/third_party/android_tools/ndk/', 321 'android_host_arch%': "<!(uname -m | sed -e 's/i[3456]86/x86/')", 322 # Version of the NDK. Used to ensure full rebuilds on NDK rolls. 323 'android_ndk_version%': 'r12b', 324 'host_os%': "<!(uname -s | sed -e 's/Linux/linux/;s/Darwin/mac/')", 325 'os_folder_name%': "<!(uname -s | sed -e 's/Linux/linux/;s/Darwin/darwin/')", 326 }, 327 328 # Copy conditionally-set variables out one scope. 329 'android_ndk_root%': '<(android_ndk_root)', 330 'android_ndk_version%': '<(android_ndk_version)', 331 'host_os%': '<(host_os)', 332 'os_folder_name%': '<(os_folder_name)', 333 334 'conditions': [ 335 ['target_arch == "ia32"', { 336 'android_toolchain%': '<(android_ndk_root)/toolchains/x86-4.9/prebuilt/<(os_folder_name)-<(android_host_arch)/bin', 337 'android_target_arch%': 'x86', 338 'android_target_platform%': '16', 339 'arm_version%': 'default', 340 }], 341 ['target_arch == "x64"', { 342 'android_toolchain%': '<(android_ndk_root)/toolchains/x86_64-4.9/prebuilt/<(os_folder_name)-<(android_host_arch)/bin', 343 'android_target_arch%': 'x86_64', 344 'android_target_platform%': '21', 345 'arm_version%': 'default', 346 }], 347 ['target_arch=="arm"', { 348 'android_toolchain%': '<(android_ndk_root)/toolchains/arm-linux-androideabi-4.9/prebuilt/<(os_folder_name)-<(android_host_arch)/bin', 349 'android_target_arch%': 'arm', 350 'android_target_platform%': '16', 351 'arm_version%': 7, 352 }], 353 ['target_arch == "arm64"', { 354 'android_toolchain%': '<(android_ndk_root)/toolchains/aarch64-linux-android-4.9/prebuilt/<(os_folder_name)-<(android_host_arch)/bin', 355 'android_target_arch%': 'arm64', 356 'android_target_platform%': '21', 357 'arm_version%': 'default', 358 }], 359 ['target_arch == "mipsel"', { 360 'android_toolchain%': '<(android_ndk_root)/toolchains/mipsel-linux-android-4.9/prebuilt/<(os_folder_name)-<(android_host_arch)/bin', 361 'android_target_arch%': 'mips', 362 'android_target_platform%': '16', 363 'arm_version%': 'default', 364 }], 365 ['target_arch == "mips64el"', { 366 'android_toolchain%': '<(android_ndk_root)/toolchains/mips64el-linux-android-4.9/prebuilt/<(os_folder_name)-<(android_host_arch)/bin', 367 'android_target_arch%': 'mips64', 368 'android_target_platform%': '21', 369 'arm_version%': 'default', 370 }], 371 ], 372 }, 373 374 # Copy conditionally-set variables out one scope. 375 'android_ndk_version%': '<(android_ndk_version)', 376 'android_target_arch%': '<(android_target_arch)', 377 'android_target_platform%': '<(android_target_platform)', 378 'android_toolchain%': '<(android_toolchain)', 379 'arm_version%': '<(arm_version)', 380 'host_os%': '<(host_os)', 381 382 # Print to stdout on Android. 383 'v8_android_log_stdout%': 1, 384 385 'conditions': [ 386 ['android_ndk_root==""', { 387 'variables': { 388 'android_sysroot': '<(android_toolchain)/sysroot/', 389 'android_stl': '<(android_toolchain)/sources/cxx-stl/', 390 }, 391 'conditions': [ 392 ['target_arch=="x64"', { 393 'android_lib': '<(android_sysroot)/usr/lib64', 394 }, { 395 'android_lib': '<(android_sysroot)/usr/lib', 396 }], 397 ], 398 'android_libcpp_include': '<(android_stl)/llvm-libc++/libcxx/include', 399 'android_libcpp_abi_include': '<(android_stl)/llvm-libc++abi/libcxxabi/include', 400 'android_libcpp_libs': '<(android_stl)/llvm-libc++/libs', 401 'android_support_include': '<(android_toolchain)/sources/android/support/include', 402 'android_sysroot': '<(android_sysroot)', 403 }, { 404 'variables': { 405 'android_sysroot': '<(android_ndk_root)/platforms/android-<(android_target_platform)/arch-<(android_target_arch)', 406 'android_stl': '<(android_ndk_root)/sources/cxx-stl/', 407 }, 408 'conditions': [ 409 ['target_arch=="x64"', { 410 'android_lib': '<(android_sysroot)/usr/lib64', 411 }, { 412 'android_lib': '<(android_sysroot)/usr/lib', 413 }], 414 ], 415 'android_libcpp_include': '<(android_stl)/llvm-libc++/libcxx/include', 416 'android_libcpp_abi_include': '<(android_stl)/llvm-libc++abi/libcxxabi/include', 417 'android_libcpp_libs': '<(android_stl)/llvm-libc++/libs', 418 'android_support_include': '<(android_ndk_root)/sources/android/support/include', 419 'android_sysroot': '<(android_sysroot)', 420 }], 421 ], 422 'android_libcpp_library': 'c++_static', 423 }], # OS=="android" 424 ['host_clang==1', { 425 'conditions':[ 426 ['OS=="android"', { 427 'host_ld': '<!(which ld)', 428 'host_ranlib': '<!(which ranlib)', 429 }], 430 ], 431 'host_cc': '<(clang_dir)/bin/clang', 432 'host_cxx': '<(clang_dir)/bin/clang++', 433 }, { 434 'host_cc': '<!(which gcc)', 435 'host_cxx': '<!(which g++)', 436 }], 437 ], 438 # Default ARM variable settings. 439 'arm_version%': 'default', 440 'arm_fpu%': 'vfpv3', 441 'arm_float_abi%': 'default', 442 'arm_thumb': 'default', 443 444 # Default MIPS variable settings. 445 'mips_arch_variant%': 'r2', 446 # Possible values fp32, fp64, fpxx. 447 # fp32 - 32 32-bit FPU registers are available, doubles are placed in 448 # register pairs. 449 # fp64 - 32 64-bit FPU registers are available. 450 # fpxx - compatibility mode, it chooses fp32 or fp64 depending on runtime 451 # detection 452 'mips_fpu_mode%': 'fp32', 453 }, 454 'target_defaults': { 455 'variables': { 456 'v8_code%': '<(v8_code)', 457 'clang_warning_flags': [ 458 '-Wsign-compare', 459 # TODO(thakis): https://crbug.com/604888 460 '-Wno-undefined-var-template', 461 # TODO(yangguo): issue 5258 462 '-Wno-nonportable-include-path', 463 ], 464 'conditions':[ 465 ['OS=="android"', { 466 'host_os%': '<(host_os)', 467 }], 468 ], 469 }, 470 'includes': [ 'set_clang_warning_flags.gypi', ], 471 'default_configuration': 'Debug', 472 'configurations': { 473 'DebugBaseCommon': { 474 'conditions': [ 475 ['OS=="aix"', { 476 'cflags': [ '-g', '-Og', '-gxcoff' ], 477 }, { 478 'cflags': [ '-g', '-O0' ], 479 }], 480 ], 481 }, 482 'Optdebug': { 483 'inherit_from': [ 'DebugBaseCommon', 'DebugBase1' ], 484 }, 485 'Debug': { 486 # Xcode insists on this empty entry. 487 }, 488 'Release': { 489 'cflags+': ['<@(release_extra_cflags)'], 490 }, 491 'conditions': [ 492 ['OS=="win"', { 493 'Optdebug_x64': { 494 'inherit_from': ['Optdebug'], 495 }, 496 'Debug_x64': { 497 'inherit_from': ['Debug'], 498 }, 499 'Release_x64': { 500 'inherit_from': ['Release'], 501 }, 502 }], 503 ], 504 }, 505 'conditions':[ 506 ['clang==0', { 507 'cflags+': [ 508 '-Wno-uninitialized', 509 ], 510 }], 511 ['clang==1 or host_clang==1', { 512 # This is here so that all files get recompiled after a clang roll and 513 # when turning clang on or off. 514 # (defines are passed via the command line, and build systems rebuild 515 # things when their commandline changes). Nothing should ever read this 516 # define. 517 'defines': ['CR_CLANG_REVISION=<!(python <(DEPTH)/tools/clang/scripts/update.py --print-revision)'], 518 }], 519 ['clang==1 and target_arch=="ia32"', { 520 'cflags': ['-mstack-alignment=16', '-mstackrealign'], 521 }], 522 ['fastbuild!=0', { 523 'conditions': [ 524 ['OS=="win" and fastbuild==1', { 525 'msvs_settings': { 526 'VCLinkerTool': { 527 # This tells the linker to generate .pdbs, so that 528 # we can get meaningful stack traces. 529 'GenerateDebugInformation': 'true', 530 }, 531 'VCCLCompilerTool': { 532 # No debug info to be generated by compiler. 533 'DebugInformationFormat': '0', 534 }, 535 }, 536 }], 537 ], 538 }], # fastbuild!=0 539 ], 540 'target_conditions': [ 541 ['v8_code == 0', { 542 'defines!': [ 543 'DEBUG', 544 ], 545 'conditions': [ 546 ['os_posix == 1 and OS != "mac"', { 547 # We don't want to get warnings from third-party code, 548 # so remove any existing warning-enabling flags like -Wall. 549 'cflags!': [ 550 '-pedantic', 551 '-Wall', 552 '-Werror', 553 '-Wextra', 554 '-Wshorten-64-to-32', 555 ], 556 'cflags+': [ 557 # Clang considers the `register` keyword as deprecated, but 558 # ICU uses it all over the place. 559 '-Wno-deprecated-register', 560 # ICU uses its own deprecated functions. 561 '-Wno-deprecated-declarations', 562 # ICU prefers `a && b || c` over `(a && b) || c`. 563 '-Wno-logical-op-parentheses', 564 # ICU has some `unsigned < 0` checks. 565 '-Wno-tautological-compare', 566 # uresdata.c has switch(RES_GET_TYPE(x)) code. The 567 # RES_GET_TYPE macro returns an UResType enum, but some switch 568 # statement contains case values that aren't part of that 569 # enum (e.g. URES_TABLE32 which is in UResInternalType). This 570 # is on purpose. 571 '-Wno-switch', 572 ], 573 'cflags_cc!': [ 574 '-Wnon-virtual-dtor', 575 ], 576 }], 577 ['OS == "mac"', { 578 'xcode_settings': { 579 'GCC_TREAT_WARNINGS_AS_ERRORS': 'NO', # -Werror 580 }, 581 }], 582 ['OS == "win"', { 583 'msvs_settings': { 584 'VCCLCompilerTool': { 585 'WarnAsError': 'false', 586 }, 587 }, 588 }], 589 ], 590 }], 591 ], 592 }, 593 'conditions': [ 594 ['os_posix==1 and OS!="mac"', { 595 'target_defaults': { 596 'conditions': [ 597 # Common options for AddressSanitizer, LeakSanitizer, 598 # ThreadSanitizer, MemorySanitizer and CFI builds. 599 ['asan==1 or lsan==1 or tsan==1 or msan==1 or cfi_vptr==1', { 600 'target_conditions': [ 601 ['_toolset=="target"', { 602 'cflags': [ 603 '-fno-omit-frame-pointer', 604 '-gline-tables-only', 605 ], 606 'cflags!': [ 607 '-fomit-frame-pointer', 608 ], 609 }], 610 ], 611 }], 612 ['asan==1', { 613 'target_conditions': [ 614 ['_toolset=="target"', { 615 'cflags': [ 616 '-fsanitize=address', 617 ], 618 'ldflags': [ 619 '-fsanitize=address', 620 ], 621 'defines': [ 622 'ADDRESS_SANITIZER', 623 ], 624 }], 625 ], 626 }], 627 ['lsan==1', { 628 'target_conditions': [ 629 ['_toolset=="target"', { 630 'cflags': [ 631 '-fsanitize=leak', 632 ], 633 'ldflags': [ 634 '-fsanitize=leak', 635 ], 636 'defines': [ 637 'LEAK_SANITIZER', 638 ], 639 }], 640 ], 641 }], 642 ['tsan==1', { 643 'target_conditions': [ 644 ['_toolset=="target"', { 645 'cflags': [ 646 '-fsanitize=thread', 647 ], 648 'ldflags': [ 649 '-fsanitize=thread', 650 ], 651 'defines': [ 652 'THREAD_SANITIZER', 653 ], 654 }], 655 ], 656 }], 657 ['msan==1', { 658 'target_conditions': [ 659 ['_toolset=="target"', { 660 'cflags': [ 661 '-fsanitize=memory', 662 '-fsanitize-memory-track-origins=<(msan_track_origins)', 663 '-fPIC', 664 ], 665 'ldflags': [ 666 '-fsanitize=memory', 667 '-pie', 668 ], 669 'defines': [ 670 'MEMORY_SANITIZER', 671 ], 672 }], 673 ], 674 }], 675 ['use_prebuilt_instrumented_libraries==1', { 676 'dependencies': [ 677 '<(DEPTH)/third_party/instrumented_libraries/instrumented_libraries.gyp:prebuilt_instrumented_libraries', 678 ], 679 }], 680 ['use_custom_libcxx==1', { 681 'dependencies': [ 682 '<(DEPTH)/buildtools/third_party/libc++/libc++.gyp:libcxx_proxy', 683 ], 684 }], 685 ['sanitizer_coverage!=0', { 686 'target_conditions': [ 687 ['_toolset=="target"', { 688 'cflags': [ 689 '-fsanitize-coverage=<(sanitizer_coverage)', 690 ], 691 'defines': [ 692 'SANITIZER_COVERAGE', 693 ], 694 }], 695 ], 696 }], 697 ['linux_use_bundled_gold==1 and not (clang==0 and use_lto==1)', { 698 # Put our binutils, which contains gold in the search path. We pass 699 # the path to gold to the compiler. gyp leaves unspecified what the 700 # cwd is when running the compiler, so the normal gyp path-munging 701 # fails us. This hack gets the right path. 702 # 703 # Disabled when using GCC LTO because GCC also uses the -B search 704 # path at link time to find "as", and our bundled "as" can only 705 # target x86. 706 'ldflags': [ 707 # Note, Chromium allows ia32 host arch as well, we limit this to 708 # x64 in v8. 709 '-B<(base_dir)/third_party/binutils/Linux_x64/Release/bin', 710 ], 711 }], 712 ['sysroot!="" and clang==1', { 713 'target_conditions': [ 714 ['_toolset=="target"', { 715 'cflags': [ 716 '--sysroot=<(sysroot)', 717 ], 718 'ldflags': [ 719 '--sysroot=<(sysroot)', 720 '<!(<(DEPTH)/build/linux/sysroot_ld_path.sh <(sysroot))', 721 ], 722 }]] 723 }], 724 ], 725 }, 726 }], 727 ['OS=="mac"', { 728 'target_defaults': { 729 'conditions': [ 730 ['asan==1', { 731 'xcode_settings': { 732 # FIXME(machenbach): This is outdated compared to common.gypi. 733 'OTHER_CFLAGS+': [ 734 '-fno-omit-frame-pointer', 735 '-gline-tables-only', 736 '-fsanitize=address', 737 '-w', # http://crbug.com/162783 738 ], 739 'OTHER_CFLAGS!': [ 740 '-fomit-frame-pointer', 741 ], 742 'defines': [ 743 'ADDRESS_SANITIZER', 744 ], 745 }, 746 'dependencies': [ 747 '<(DEPTH)/gypfiles/mac/asan.gyp:asan_dynamic_runtime', 748 ], 749 'target_conditions': [ 750 ['_type!="static_library"', { 751 'xcode_settings': {'OTHER_LDFLAGS': ['-fsanitize=address']}, 752 }], 753 ], 754 }], 755 ['sanitizer_coverage!=0', { 756 'target_conditions': [ 757 ['_toolset=="target"', { 758 'cflags': [ 759 '-fsanitize-coverage=<(sanitizer_coverage)', 760 ], 761 'defines': [ 762 'SANITIZER_COVERAGE', 763 ], 764 }], 765 ], 766 }], 767 ], 768 }, # target_defaults 769 }], # OS=="mac" 770 ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris" \ 771 or OS=="netbsd" or OS=="aix"', { 772 'target_defaults': { 773 'cflags': [ 774 '-Wall', 775 '<(werror)', 776 '-Wno-unused-parameter', 777 '-pthread', 778 '-pedantic', 779 '-Wmissing-field-initializers', 780 '-Wno-gnu-zero-variadic-macro-arguments', 781 ], 782 'cflags_cc': [ 783 '-Wnon-virtual-dtor', 784 '-fno-exceptions', 785 '-fno-rtti', 786 '-std=gnu++11', 787 ], 788 'ldflags': [ '-pthread', ], 789 'conditions': [ 790 # Don't warn about TRACE_EVENT_* macros with zero arguments passed to 791 # ##__VA_ARGS__. C99 strict mode prohibits having zero variadic macro 792 # arguments in gcc. 793 [ 'clang==0', { 794 'cflags!' : [ 795 '-pedantic' , 796 # Don't warn about unrecognized command line option. 797 '-Wno-gnu-zero-variadic-macro-arguments', 798 ], 799 }], 800 [ 'clang==1 and (v8_target_arch=="x64" or v8_target_arch=="arm64" \ 801 or v8_target_arch=="mips64el")', { 802 'cflags': [ '-Wshorten-64-to-32' ], 803 }], 804 [ 'host_arch=="ppc64" and OS!="aix"', { 805 'cflags': [ '-mminimal-toc' ], 806 }], 807 [ 'visibility=="hidden" and v8_enable_backtrace==0', { 808 'cflags': [ '-fvisibility=hidden' ], 809 }], 810 [ 'component=="shared_library"', { 811 'cflags': [ '-fPIC', ], 812 }], 813 [ 'clang==0 and coverage==1', { 814 'cflags': [ '-fprofile-arcs', '-ftest-coverage'], 815 'ldflags': [ '-fprofile-arcs'], 816 }], 817 ], 818 }, 819 }], 820 # 'OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris" 821 # or OS=="netbsd"' 822 ['OS=="qnx"', { 823 'target_defaults': { 824 'cflags': [ 825 '-Wall', 826 '<(werror)', 827 '-Wno-unused-parameter', 828 # Don't warn about the "struct foo f = {0};" initialization pattern. 829 '-Wno-missing-field-initializers', 830 '-Wno-gnu-zero-variadic-macro-arguments', 831 ], 832 'cflags_cc': [ 833 '-Wnon-virtual-dtor', 834 '-fno-exceptions', 835 '-fno-rtti', 836 '-std=gnu++11', 837 ], 838 'conditions': [ 839 [ 'visibility=="hidden"', { 840 'cflags': [ '-fvisibility=hidden' ], 841 }], 842 [ 'component=="shared_library"', { 843 'cflags': [ '-fPIC' ], 844 }], 845 ], 846 'target_conditions': [ 847 [ '_toolset=="host" and host_os=="linux"', { 848 'cflags': [ '-pthread' ], 849 'ldflags': [ '-pthread' ], 850 'libraries': [ '-lrt' ], 851 }], 852 [ '_toolset=="target"', { 853 'cflags': [ '-Wno-psabi' ], 854 'libraries': [ '-lbacktrace', '-lsocket', '-lm' ], 855 }], 856 ], 857 }, 858 }], # OS=="qnx" 859 ['OS=="win"', { 860 'target_defaults': { 861 'defines': [ 862 '_CRT_SECURE_NO_DEPRECATE', 863 '_CRT_NONSTDC_NO_DEPRECATE', 864 '_USING_V110_SDK71_', 865 ], 866 'conditions': [ 867 ['component=="static_library"', { 868 'defines': [ 869 '_HAS_EXCEPTIONS=0', 870 ], 871 }], 872 ], 873 'msvs_cygwin_dirs': ['<(DEPTH)/third_party/cygwin'], 874 'msvs_disabled_warnings': [ 875 # C4091: 'typedef ': ignored on left of 'X' when no variable is 876 # declared. 877 # This happens in a number of Windows headers. Dumb. 878 4091, 879 880 # C4127: conditional expression is constant 881 # This warning can in theory catch dead code and other problems, but 882 # triggers in far too many desirable cases where the conditional 883 # expression is either set by macros or corresponds some legitimate 884 # compile-time constant expression (due to constant template args, 885 # conditionals comparing the sizes of different types, etc.). Some of 886 # these can be worked around, but it's not worth it. 887 4127, 888 889 # C4351: new behavior: elements of array 'array' will be default 890 # initialized 891 # This is a silly "warning" that basically just alerts you that the 892 # compiler is going to actually follow the language spec like it's 893 # supposed to, instead of not following it like old buggy versions 894 # did. There's absolutely no reason to turn this on. 895 4351, 896 897 # C4355: 'this': used in base member initializer list 898 # It's commonly useful to pass |this| to objects in a class' 899 # initializer list. While this warning can catch real bugs, most of 900 # the time the constructors in question don't attempt to call methods 901 # on the passed-in pointer (until later), and annotating every legit 902 # usage of this is simply more hassle than the warning is worth. 903 4355, 904 905 # C4503: 'identifier': decorated name length exceeded, name was 906 # truncated 907 # This only means that some long error messages might have truncated 908 # identifiers in the presence of lots of templates. It has no effect 909 # on program correctness and there's no real reason to waste time 910 # trying to prevent it. 911 4503, 912 913 # Warning C4589 says: "Constructor of abstract class ignores 914 # initializer for virtual base class." Disable this warning because it 915 # is flaky in VS 2015 RTM. It triggers on compiler generated 916 # copy-constructors in some cases. 917 4589, 918 919 # C4611: interaction between 'function' and C++ object destruction is 920 # non-portable 921 # This warning is unavoidable when using e.g. setjmp/longjmp. MSDN 922 # suggests using exceptions instead of setjmp/longjmp for C++, but 923 # Chromium code compiles without exception support. We therefore have 924 # to use setjmp/longjmp for e.g. JPEG decode error handling, which 925 # means we have to turn off this warning (and be careful about how 926 # object destruction happens in such cases). 927 4611, 928 929 # TODO(jochen): These warnings are level 4. They will be slowly 930 # removed as code is fixed. 931 4100, # Unreferenced formal parameter 932 4121, # Alignment of a member was sensitive to packing 933 4244, # Conversion from 'type1' to 'type2', possible loss of data 934 4302, # Truncation from 'type 1' to 'type 2' 935 4309, # Truncation of constant value 936 4311, # Pointer truncation from 'type' to 'type' 937 4312, # Conversion from 'type1' to 'type2' of greater size 938 4505, # Unreferenced local function has been removed 939 4510, # Default constructor could not be generated 940 4512, # Assignment operator could not be generated 941 4610, # Object can never be instantiated 942 4800, # Forcing value to bool. 943 4838, # Narrowing conversion. Doesn't seem to be very useful. 944 4995, # 'X': name was marked as #pragma deprecated 945 4996, # 'X': was declared deprecated (for GetVersionEx). 946 947 # These are variable shadowing warnings that are new in VS2015. We 948 # should work through these at some point -- they may be removed from 949 # the RTM release in the /W4 set. 950 4456, 4457, 4458, 4459, 951 ], 952 'msvs_settings': { 953 'VCCLCompilerTool': { 954 'MinimalRebuild': 'false', 955 'BufferSecurityCheck': 'true', 956 'EnableFunctionLevelLinking': 'true', 957 'RuntimeTypeInfo': 'false', 958 'WarningLevel': '3', 959 'WarnAsError': 'true', 960 'DebugInformationFormat': '3', 961 'Detect64BitPortabilityProblems': 'false', 962 'conditions': [ 963 [ 'msvs_multi_core_compile', { 964 'AdditionalOptions': ['/MP'], 965 }], 966 ['component=="shared_library"', { 967 'ExceptionHandling': '1', # /EHsc 968 }, { 969 'ExceptionHandling': '0', 970 }], 971 ], 972 }, 973 'VCLibrarianTool': { 974 'AdditionalOptions': ['/ignore:4221'], 975 'conditions': [ 976 ['v8_target_arch=="x64"', { 977 'TargetMachine': '17', # x64 978 }, { 979 'TargetMachine': '1', # ia32 980 }], 981 ], 982 }, 983 'VCLinkerTool': { 984 'AdditionalDependencies': [ 985 'ws2_32.lib', 986 ], 987 'GenerateDebugInformation': 'true', 988 'MapFileName': '$(OutDir)\\$(TargetName).map', 989 'ImportLibrary': '$(OutDir)\\lib\\$(TargetName).lib', 990 'FixedBaseAddress': '1', 991 # LinkIncremental values: 992 # 0 == default 993 # 1 == /INCREMENTAL:NO 994 # 2 == /INCREMENTAL 995 'LinkIncremental': '1', 996 # SubSystem values: 997 # 0 == not set 998 # 1 == /SUBSYSTEM:CONSOLE 999 # 2 == /SUBSYSTEM:WINDOWS 1000 'SubSystem': '1', 1001 1002 'conditions': [ 1003 ['v8_enable_i18n_support==1', { 1004 'AdditionalDependencies': [ 1005 'advapi32.lib', 1006 ], 1007 }], 1008 ['v8_target_arch=="x64"', { 1009 'MinimumRequiredVersion': '5.02', # Server 2003. 1010 'TargetMachine': '17', # x64 1011 }, { 1012 'MinimumRequiredVersion': '5.01', # XP. 1013 'TargetMachine': '1', # ia32 1014 }], 1015 ], 1016 }, 1017 'conditions': [ 1018 ['clang==1', { 1019 'VCCLCompilerTool': { 1020 'AdditionalOptions': [ 1021 # Don't warn about unused function parameters. 1022 # (This is also used on other platforms.) 1023 '-Wno-unused-parameter', 1024 # Don't warn about the "struct foo f = {0};" initialization 1025 # pattern. 1026 '-Wno-missing-field-initializers', 1027 1028 # TODO(hans): Make this list shorter eventually, http://crbug.com/504657 1029 '-Qunused-arguments', # http://crbug.com/504658 1030 '-Wno-microsoft-enum-value', # http://crbug.com/505296 1031 '-Wno-unknown-pragmas', # http://crbug.com/505314 1032 '-Wno-microsoft-cast', # http://crbug.com/550065 1033 ], 1034 }, 1035 }], 1036 ['clang==1 and MSVS_VERSION == "2013"', { 1037 'VCCLCompilerTool': { 1038 'AdditionalOptions': [ 1039 '-fmsc-version=1800', 1040 ], 1041 }, 1042 }], 1043 ['clang==1 and MSVS_VERSION == "2015"', { 1044 'VCCLCompilerTool': { 1045 'AdditionalOptions': [ 1046 '-fmsc-version=1900', 1047 ], 1048 }, 1049 }], 1050 ], 1051 }, 1052 }, 1053 }], # OS=="win" 1054 ['OS=="mac"', { 1055 'xcode_settings': { 1056 'SDKROOT': 'macosx', 1057 'SYMROOT': '<(DEPTH)/xcodebuild', 1058 }, 1059 'target_defaults': { 1060 'xcode_settings': { 1061 'ALWAYS_SEARCH_USER_PATHS': 'NO', 1062 'GCC_C_LANGUAGE_STANDARD': 'c99', # -std=c99 1063 'GCC_CW_ASM_SYNTAX': 'NO', # No -fasm-blocks 1064 'GCC_DYNAMIC_NO_PIC': 'NO', # No -mdynamic-no-pic 1065 # (Equivalent to -fPIC) 1066 'GCC_ENABLE_CPP_EXCEPTIONS': 'NO', # -fno-exceptions 1067 'GCC_ENABLE_CPP_RTTI': 'NO', # -fno-rtti 1068 'GCC_ENABLE_PASCAL_STRINGS': 'NO', # No -mpascal-strings 1069 # GCC_INLINES_ARE_PRIVATE_EXTERN maps to -fvisibility-inlines-hidden 1070 'GCC_INLINES_ARE_PRIVATE_EXTERN': 'YES', 1071 'GCC_SYMBOLS_PRIVATE_EXTERN': 'YES', # -fvisibility=hidden 1072 'GCC_THREADSAFE_STATICS': 'NO', # -fno-threadsafe-statics 1073 'GCC_WARN_NON_VIRTUAL_DESTRUCTOR': 'YES', # -Wnon-virtual-dtor 1074 # MACOSX_DEPLOYMENT_TARGET maps to -mmacosx-version-min 1075 'MACOSX_DEPLOYMENT_TARGET': '<(mac_deployment_target)', 1076 'PREBINDING': 'NO', # No -Wl,-prebind 1077 'SYMROOT': '<(DEPTH)/xcodebuild', 1078 'USE_HEADERMAP': 'NO', 1079 'OTHER_CFLAGS': [ 1080 '-fno-strict-aliasing', 1081 ], 1082 'WARNING_CFLAGS': [ 1083 '-Wall', 1084 '-Wendif-labels', 1085 '-Wno-unused-parameter', 1086 # Don't warn about the "struct foo f = {0};" initialization pattern. 1087 '-Wno-missing-field-initializers', 1088 '-Wno-gnu-zero-variadic-macro-arguments', 1089 ], 1090 }, 1091 'conditions': [ 1092 ['werror==""', { 1093 'xcode_settings': {'GCC_TREAT_WARNINGS_AS_ERRORS': 'NO'}, 1094 }, { 1095 'xcode_settings': {'GCC_TREAT_WARNINGS_AS_ERRORS': 'YES'}, 1096 }], 1097 ['clang==1', { 1098 'xcode_settings': { 1099 'GCC_VERSION': 'com.apple.compilers.llvm.clang.1_0', 1100 'CLANG_CXX_LANGUAGE_STANDARD': 'c++11', # -std=c++11 1101 }, 1102 'conditions': [ 1103 ['clang_xcode==0', { 1104 'xcode_settings': { 1105 'CC': '<(clang_dir)/bin/clang', 1106 'LDPLUSPLUS': '<(clang_dir)/bin/clang++', 1107 'CLANG_CXX_LIBRARY': 'libc++' 1108 }, 1109 }], 1110 ['v8_target_arch=="x64" or v8_target_arch=="arm64" \ 1111 or v8_target_arch=="mips64el"', { 1112 'xcode_settings': {'WARNING_CFLAGS': ['-Wshorten-64-to-32']}, 1113 }], 1114 ], 1115 }], 1116 ], 1117 'target_conditions': [ 1118 ['_type!="static_library"', { 1119 'xcode_settings': {'OTHER_LDFLAGS': ['-Wl,-search_paths_first']}, 1120 }], 1121 ], # target_conditions 1122 }, # target_defaults 1123 }], # OS=="mac" 1124 ['OS=="android"', { 1125 'target_defaults': { 1126 'defines': [ 1127 'ANDROID', 1128 ], 1129 'configurations': { 1130 'Release': { 1131 'cflags': [ 1132 '-fomit-frame-pointer', 1133 ], 1134 }, # Release 1135 }, # configurations 1136 'cflags': [ '-Wno-abi', '-Wall', '-W', '-Wno-unused-parameter'], 1137 'cflags_cc': [ '-Wnon-virtual-dtor', '-fno-rtti', '-fno-exceptions', 1138 '-std=gnu++11' ], 1139 'target_conditions': [ 1140 ['_toolset=="target"', { 1141 'cflags!': [ 1142 '-pthread', # Not supported by Android toolchain. 1143 ], 1144 'cflags': [ 1145 '-ffunction-sections', 1146 '-funwind-tables', 1147 '-fstack-protector', 1148 '-fno-short-enums', 1149 '-finline-limit=64', 1150 '-Wa,--noexecstack', 1151 '--sysroot=<(android_sysroot)', 1152 ], 1153 'cflags_cc': [ 1154 '-isystem<(android_libcpp_include)', 1155 '-isystem<(android_libcpp_abi_include)', 1156 '-isystem<(android_support_include)', 1157 ], 1158 'defines': [ 1159 'ANDROID', 1160 #'__GNU_SOURCE=1', # Necessary for clone() 1161 'HAVE_OFF64_T', 1162 'HAVE_SYS_UIO_H', 1163 'ANDROID_BINSIZE_HACK', # Enable temporary hacks to reduce binsize. 1164 'ANDROID_NDK_VERSION=<(android_ndk_version)', 1165 ], 1166 'ldflags!': [ 1167 '-pthread', # Not supported by Android toolchain. 1168 ], 1169 'ldflags': [ 1170 '-Wl,--no-undefined', 1171 '--sysroot=<(android_sysroot)', 1172 '-nostdlib', 1173 ], 1174 'libraries!': [ 1175 '-lrt', # librt is built into Bionic. 1176 # Not supported by Android toolchain. 1177 # Where do these come from? Can't find references in 1178 # any Chromium gyp or gypi file. Maybe they come from 1179 # gyp itself? 1180 '-lpthread', '-lnss3', '-lnssutil3', '-lsmime3', '-lplds4', '-lplc4', '-lnspr4', 1181 ], 1182 'libraries': [ 1183 '-l<(android_libcpp_library)', 1184 '-latomic', 1185 # Manually link the libgcc.a that the cross compiler uses. 1186 '<!(<(android_toolchain)/*-gcc -print-libgcc-file-name)', 1187 '-lc', 1188 '-ldl', 1189 '-lm', 1190 ], 1191 'conditions': [ 1192 ['target_arch == "arm"', { 1193 'ldflags': [ 1194 # Enable identical code folding to reduce size. 1195 '-Wl,--icf=safe', 1196 ], 1197 }], 1198 ['target_arch=="arm" and arm_version==7', { 1199 'cflags': [ 1200 '-march=armv7-a', 1201 '-mtune=cortex-a8', 1202 '-mfpu=vfp3', 1203 ], 1204 'ldflags': [ 1205 '-L<(android_libcpp_libs)/armeabi-v7a', 1206 ], 1207 }], 1208 ['target_arch=="arm" and arm_version < 7', { 1209 'ldflags': [ 1210 '-L<(android_libcpp_libs)/armeabi', 1211 ], 1212 }], 1213 ['target_arch=="x64"', { 1214 'ldflags': [ 1215 '-L<(android_libcpp_libs)/x86_64', 1216 ], 1217 }], 1218 ['target_arch=="arm64"', { 1219 'ldflags': [ 1220 '-L<(android_libcpp_libs)/arm64-v8a', 1221 ], 1222 }], 1223 ['target_arch=="ia32" or target_arch=="x87"', { 1224 # The x86 toolchain currently has problems with stack-protector. 1225 'cflags!': [ 1226 '-fstack-protector', 1227 ], 1228 'cflags': [ 1229 '-fno-stack-protector', 1230 ], 1231 'ldflags': [ 1232 '-L<(android_libcpp_libs)/x86', 1233 ], 1234 }], 1235 ['target_arch=="mipsel"', { 1236 # The mips toolchain currently has problems with stack-protector. 1237 'cflags!': [ 1238 '-fstack-protector', 1239 '-U__linux__' 1240 ], 1241 'cflags': [ 1242 '-fno-stack-protector', 1243 ], 1244 'ldflags': [ 1245 '-L<(android_libcpp_libs)/mips', 1246 ], 1247 }], 1248 ['(target_arch=="arm" or target_arch=="arm64" or target_arch=="x64" or target_arch=="ia32") and component!="shared_library"', { 1249 'cflags': [ 1250 '-fPIE', 1251 ], 1252 'ldflags': [ 1253 '-pie', 1254 ], 1255 }], 1256 ], 1257 'target_conditions': [ 1258 ['_type=="executable"', { 1259 'conditions': [ 1260 ['target_arch=="arm64" or target_arch=="x64"', { 1261 'ldflags': [ 1262 '-Wl,-dynamic-linker,/system/bin/linker64', 1263 ], 1264 }, { 1265 'ldflags': [ 1266 '-Wl,-dynamic-linker,/system/bin/linker', 1267 ], 1268 }] 1269 ], 1270 'ldflags': [ 1271 '-Bdynamic', 1272 '-Wl,-z,nocopyreloc', 1273 # crtbegin_dynamic.o should be the last item in ldflags. 1274 '<(android_lib)/crtbegin_dynamic.o', 1275 ], 1276 'libraries': [ 1277 # crtend_android.o needs to be the last item in libraries. 1278 # Do not add any libraries after this! 1279 '<(android_lib)/crtend_android.o', 1280 ], 1281 }], 1282 ['_type=="shared_library"', { 1283 'ldflags': [ 1284 '-Wl,-shared,-Bsymbolic', 1285 '<(android_lib)/crtbegin_so.o', 1286 ], 1287 }], 1288 ['_type=="static_library"', { 1289 'ldflags': [ 1290 # Don't export symbols from statically linked libraries. 1291 '-Wl,--exclude-libs=ALL', 1292 ], 1293 }], 1294 ], 1295 }], # _toolset=="target" 1296 # Settings for building host targets using the system toolchain. 1297 ['_toolset=="host"', { 1298 'cflags': [ '-pthread' ], 1299 'ldflags': [ '-pthread' ], 1300 'ldflags!': [ 1301 '-Wl,-z,noexecstack', 1302 '-Wl,--gc-sections', 1303 '-Wl,-O1', 1304 '-Wl,--as-needed', 1305 ], 1306 }], 1307 ], # target_conditions 1308 }, # target_defaults 1309 }], # OS=="android" 1310 ['OS=="android" and clang==0', { 1311 # Hardcode the compiler names in the Makefile so that 1312 # it won't depend on the environment at make time. 1313 'make_global_settings': [ 1314 ['LD', '<!(/bin/echo -n <(android_toolchain)/../*/bin/ld)'], 1315 ['RANLIB', '<!(/bin/echo -n <(android_toolchain)/../*/bin/ranlib)'], 1316 ['CC', '<!(/bin/echo -n <(android_toolchain)/*-gcc)'], 1317 ['CXX', '<!(/bin/echo -n <(android_toolchain)/*-g++)'], 1318 ['LD.host', '<(host_ld)'], 1319 ['RANLIB.host', '<(host_ranlib)'], 1320 ['CC.host', '<(host_cc)'], 1321 ['CXX.host', '<(host_cxx)'], 1322 ], 1323 }], 1324 ['clang!=1 and host_clang==1 and target_arch!="ia32" and target_arch!="x64"', { 1325 'make_global_settings': [ 1326 ['CC.host', '<(clang_dir)/bin/clang'], 1327 ['CXX.host', '<(clang_dir)/bin/clang++'], 1328 ], 1329 }], 1330 ['clang==0 and host_clang==1 and target_arch!="ia32" and target_arch!="x64"', { 1331 'target_conditions': [ 1332 ['_toolset=="host"', { 1333 'cflags_cc': [ '-std=gnu++11', ], 1334 }], 1335 ], 1336 'target_defaults': { 1337 'target_conditions': [ 1338 ['_toolset=="host"', { 'cflags!': [ '-Wno-unused-local-typedefs' ]}], 1339 ], 1340 }, 1341 }], 1342 ['clang==1 and "<(GENERATOR)"=="ninja"', { 1343 # See http://crbug.com/110262 1344 'target_defaults': { 1345 'cflags': [ '-fcolor-diagnostics' ], 1346 'xcode_settings': { 'OTHER_CFLAGS': [ '-fcolor-diagnostics' ] }, 1347 }, 1348 }], 1349 ['clang==1 and ((OS!="mac" and OS!="ios") or clang_xcode==0) ' 1350 'and OS!="win" and "<(GENERATOR)"=="make"', { 1351 'make_global_settings': [ 1352 ['CC', '<(clang_dir)/bin/clang'], 1353 ['CXX', '<(clang_dir)/bin/clang++'], 1354 ['CC.host', '$(CC)'], 1355 ['CXX.host', '$(CXX)'], 1356 ], 1357 }], 1358 ['clang==1 and ((OS!="mac" and OS!="ios") or clang_xcode==0) ' 1359 'and OS!="win" and "<(GENERATOR)"=="ninja"', { 1360 'make_global_settings': [ 1361 ['CC', '<(clang_dir)/bin/clang'], 1362 ['CXX', '<(clang_dir)/bin/clang++'], 1363 ['CC.host', '$(CC)'], 1364 ['CXX.host', '$(CXX)'], 1365 ], 1366 }], 1367 ['clang==1 and OS=="win"', { 1368 'make_global_settings': [ 1369 # On Windows, gyp's ninja generator only looks at CC. 1370 ['CC', '<(clang_dir)/bin/clang-cl'], 1371 ], 1372 }], 1373 ['OS=="linux" and target_arch=="arm" and host_arch!="arm" and clang==0 and "<(GENERATOR)"=="ninja"', { 1374 # Set default ARM cross tools on linux. These can be overridden 1375 # using CC,CXX,CC.host and CXX.host environment variables. 1376 'make_global_settings': [ 1377 ['CC', '<!(which arm-linux-gnueabihf-gcc)'], 1378 ['CXX', '<!(which arm-linux-gnueabihf-g++)'], 1379 ['CC.host', '<(host_cc)'], 1380 ['CXX.host', '<(host_cxx)'], 1381 ], 1382 }], 1383 # TODO(yyanagisawa): supports GENERATOR==make 1384 # make generator doesn't support CC_wrapper without CC 1385 # in make_global_settings yet. 1386 ['use_goma==1 and ("<(GENERATOR)"=="ninja" or clang==1)', { 1387 'conditions': [ 1388 ['coverage==1', { 1389 # Wrap goma with coverage wrapper. 1390 'make_global_settings': [ 1391 ['CC_wrapper', '<(base_dir)/gypfiles/coverage_wrapper.py <(gomadir)/gomacc'], 1392 ['CXX_wrapper', '<(base_dir)/gypfiles/coverage_wrapper.py <(gomadir)/gomacc'], 1393 ['CC.host_wrapper', '<(base_dir)/gypfiles/coverage_wrapper.py <(gomadir)/gomacc'], 1394 ['CXX.host_wrapper', '<(base_dir)/gypfiles/coverage_wrapper.py <(gomadir)/gomacc'], 1395 ], 1396 }, { 1397 # Use only goma wrapper. 1398 'make_global_settings': [ 1399 ['CC_wrapper', '<(gomadir)/gomacc'], 1400 ['CXX_wrapper', '<(gomadir)/gomacc'], 1401 ['CC.host_wrapper', '<(gomadir)/gomacc'], 1402 ['CXX.host_wrapper', '<(gomadir)/gomacc'], 1403 ], 1404 }], 1405 ], 1406 }, { 1407 'conditions': [ 1408 ['coverage==1', { 1409 # Use only coverage wrapper. 1410 'make_global_settings': [ 1411 ['CC_wrapper', '<(base_dir)/gypfiles/coverage_wrapper.py'], 1412 ['CXX_wrapper', '<(base_dir)/gypfiles/coverage_wrapper.py'], 1413 ['CC.host_wrapper', '<(base_dir)/gypfiles/coverage_wrapper.py'], 1414 ['CXX.host_wrapper', '<(base_dir)/gypfiles/coverage_wrapper.py'], 1415 ], 1416 }], 1417 ], 1418 }], 1419 ['use_lto==1', { 1420 'target_defaults': { 1421 'target_conditions': [ 1422 ['_toolset=="target"', { 1423 'cflags': [ 1424 '-flto', 1425 ], 1426 }], 1427 ], 1428 }, 1429 }], 1430 ['use_lto==1 and clang==0', { 1431 'target_defaults': { 1432 'target_conditions': [ 1433 ['_toolset=="target"', { 1434 'cflags': [ 1435 '-ffat-lto-objects', 1436 ], 1437 }], 1438 ], 1439 }, 1440 }], 1441 ['use_lto==1 and clang==1', { 1442 'target_defaults': { 1443 'target_conditions': [ 1444 ['_toolset=="target"', { 1445 'arflags': [ 1446 '--plugin', '<(clang_dir)/lib/LLVMgold.so', 1447 ], 1448 # Apply a lower optimization level with lto. Chromium does this 1449 # for non-official builds only - a differentiation that doesn't 1450 # exist in v8. 1451 'ldflags': [ 1452 '-Wl,--plugin-opt,O1', 1453 ], 1454 }], 1455 ], 1456 }, 1457 }], 1458 ['use_lto==1 and clang==0', { 1459 'target_defaults': { 1460 'target_conditions': [ 1461 ['_toolset=="target"', { 1462 'ldflags': [ 1463 '-flto=32', 1464 ], 1465 }], 1466 ], 1467 }, 1468 }], 1469 ['use_lto==1 and clang==1', { 1470 'target_defaults': { 1471 'target_conditions': [ 1472 ['_toolset=="target"', { 1473 'ldflags': [ 1474 '-flto', 1475 ], 1476 }], 1477 ], 1478 }, 1479 }], 1480 ['cfi_diag==1', { 1481 'target_defaults': { 1482 'target_conditions': [ 1483 ['_toolset=="target"', { 1484 'cflags': [ 1485 '-fno-sanitize-trap=cfi', 1486 '-fno-sanitize-recover=cfi', 1487 ], 1488 'cflags_cc!': [ 1489 '-fno-rtti', 1490 ], 1491 'cflags!': [ 1492 '-fno-rtti', 1493 ], 1494 'ldflags': [ 1495 '-fno-sanitize-trap=cfi', 1496 '-fno-sanitize-recover=cfi', 1497 ], 1498 }], 1499 ], 1500 }, 1501 }], 1502 ['cfi_vptr==1', { 1503 'target_defaults': { 1504 'target_conditions': [ 1505 ['_toolset=="target"', { 1506 'cflags': [ 1507 '-fsanitize=cfi-vcall', 1508 '-fsanitize=cfi-derived-cast', 1509 '-fsanitize=cfi-unrelated-cast', 1510 '-fsanitize-blacklist=<(cfi_blacklist)', 1511 ], 1512 'ldflags': [ 1513 '-fsanitize=cfi-vcall', 1514 '-fsanitize=cfi-derived-cast', 1515 '-fsanitize=cfi-unrelated-cast', 1516 ], 1517 }], 1518 ], 1519 }, 1520 }], 1521 ], 1522 } 1523
