{ 'variables': { 'asan%': 0, 'werror': '', # Turn off -Werror in V8 build. 'visibility%': 'hidden', # V8's visibility setting 'target_arch%': 'ia32', # set v8's target architecture 'host_arch%': 'ia32', # set v8's host architecture 'want_separate_host_toolset%': 0, # V8 should not build target and host 'library%': 'static_library', # allow override to 'shared_library' for DLL/.so builds 'component%': 'static_library', # NB. these names match with what V8 expects 'msvs_multi_core_compile': '0', # we do enable multicore compiles, but not using the V8 way 'enable_pgo_generate%': '0', 'enable_pgo_use%': '0', 'python%': 'python', 'node_shared%': 'false', 'force_dynamic_crt%': 0, 'node_use_v8_platform%': 'true', 'node_use_bundled_v8%': 'true', 'node_module_version%': '', 'node_with_ltcg%': '', 'node_shared_openssl%': 'false', 'node_tag%': '', 'uv_library%': 'static_library', 'clang%': 0, 'openssl_fips%': '', # Some STL containers (e.g. std::vector) do not preserve ABI compatibility # between debug and non-debug mode. 'disable_glibcxx_debug': 1, # Don't use ICU data file (icudtl.dat) from V8, we use our own. 'icu_use_data_file_flag%': 0, # Reset this number to 0 on major V8 upgrades. # Increment by one for each non-official patch applied to deps/v8. 'v8_embedder_string': '-node.13', ##### V8 defaults for Node.js ##### # Old time default, now explicitly stated. 'v8_use_snapshot': 'true', # These are more relevant for V8 internal development. # Refs: https://github.com/nodejs/node/issues/23122 # Refs: https://github.com/nodejs/node/issues/23167 # Enable compiler warnings when using V8_DEPRECATED apis from V8 code. 'v8_deprecation_warnings': 0, # Enable compiler warnings when using V8_DEPRECATE_SOON apis from V8 code. 'v8_imminent_deprecation_warnings': 0, # Enable disassembler for `--print-code` v8 options 'v8_enable_disassembler': 1, # Don't bake anything extra into the snapshot. 'v8_use_external_startup_data': 0, # https://github.com/nodejs/node/pull/22920/files#r222779926 'v8_enable_handle_zapping': 0, # Disable V8 untrusted code mitigations. # See https://github.com/v8/v8/wiki/Untrusted-code-mitigations 'v8_untrusted_code_mitigations': 'false', # Still WIP in V8 7.1 'v8_enable_pointer_compression': 'false', # New in V8 7.1 'v8_enable_embedded_builtins': 'true', # This is more of a V8 dev setting # https://github.com/nodejs/node/pull/22920/files#r222779926 'v8_enable_fast_mksnapshot': 0, ##### end V8 defaults ##### 'conditions': [ ['target_arch=="arm64"', { # Disabled pending https://github.com/nodejs/node/issues/23913. 'openssl_no_asm%': 1, }, { 'openssl_no_asm%': 0, }], ['GENERATOR=="ninja"', { 'obj_dir': '<(PRODUCT_DIR)/obj', 'conditions': [ [ 'build_v8_with_gn=="true"', { 'v8_base': '<(PRODUCT_DIR)/obj/deps/v8/gypfiles/v8_monolith.gen/gn/obj/libv8_monolith.a', }, { 'v8_base': '<(PRODUCT_DIR)/obj/deps/v8/gypfiles/libv8_base.a', }], ] }, { 'obj_dir%': '<(PRODUCT_DIR)/obj.target', 'v8_base': '<(PRODUCT_DIR)/obj.target/deps/v8/gypfiles/libv8_base.a', }], ['OS == "win"', { 'os_posix': 0, 'v8_postmortem_support%': 'false', 'obj_dir': '<(PRODUCT_DIR)/obj', 'v8_base': '<(PRODUCT_DIR)/lib/v8_libbase.lib', }, { 'os_posix': 1, 'v8_postmortem_support%': 'true', }], ['OS == "mac"', { 'obj_dir%': '<(PRODUCT_DIR)/obj.target', 'v8_base': '<(PRODUCT_DIR)/libv8_base.a', }], ['build_v8_with_gn == "true"', { 'conditions': [ ['GENERATOR == "ninja"', { 'v8_base': '<(PRODUCT_DIR)/obj/deps/v8/gypfiles/v8_monolith.gen/gn/obj/libv8_monolith.a', }, { 'v8_base': '<(PRODUCT_DIR)/obj.target/v8_monolith/geni/gn/obj/libv8_monolith.a', }], ], }], ['openssl_fips != ""', { 'openssl_product': '<(STATIC_LIB_PREFIX)crypto<(STATIC_LIB_SUFFIX)', }, { 'openssl_product': '<(STATIC_LIB_PREFIX)openssl<(STATIC_LIB_SUFFIX)', }], ['OS=="mac"', { 'clang%': 1, }], ], }, 'target_defaults': { 'default_configuration': 'Release', 'configurations': { 'Debug': { 'variables': { 'v8_enable_handle_zapping': 1, 'conditions': [ ['node_shared != "true"', { 'MSVC_runtimeType': 1, # MultiThreadedDebug (/MTd) }, { 'MSVC_runtimeType': 3, # MultiThreadedDebugDLL (/MDd) }], ], }, 'defines': [ 'DEBUG', '_DEBUG', 'V8_ENABLE_CHECKS' ], 'cflags': [ '-g', '-O0' ], 'conditions': [ ['OS=="aix"', { 'cflags': [ '-gxcoff' ], 'ldflags': [ '-Wl,-bbigtoc' ], }], ['OS == "android"', { 'cflags': [ '-fPIE' ], 'ldflags': [ '-fPIE', '-pie' ] }], ], 'msvs_settings': { 'VCCLCompilerTool': { 'BasicRuntimeChecks': 3, # /RTC1 'MinimalRebuild': 'false', 'OmitFramePointers': 'false', 'Optimization': 0, # /Od, no optimization 'RuntimeLibrary': '<(MSVC_runtimeType)', }, 'VCLinkerTool': { 'LinkIncremental': 2, # enable incremental linking }, }, 'xcode_settings': { 'GCC_OPTIMIZATION_LEVEL': '0', # stop gyp from defaulting to -Os }, }, 'Release': { 'variables': { 'v8_enable_handle_zapping': 0, 'pgo_generate': ' -fprofile-generate ', 'pgo_use': ' -fprofile-use -fprofile-correction ', 'lto': ' -flto=4 -fuse-linker-plugin -ffat-lto-objects ', 'conditions': [ ['node_shared != "true"', { 'MSVC_runtimeType': 0 # MultiThreaded (/MT) }, { 'MSVC_runtimeType': 2 # MultiThreadedDLL (/MD) }], ], }, 'cflags': [ '-O3' ], 'conditions': [ ['OS=="solaris"', { # pull in V8's postmortem metadata 'ldflags': [ '-Wl,-z,allextract' ] }], ['OS!="mac" and OS!="win"', { 'cflags': [ '-fno-omit-frame-pointer' ], }], ['OS=="linux"', { 'conditions': [ ['enable_pgo_generate=="true"', { 'cflags': ['<(pgo_generate)'], 'ldflags': ['<(pgo_generate)'], },], ['enable_pgo_use=="true"', { 'cflags': ['<(pgo_use)'], 'ldflags': ['<(pgo_use)'], },], ['enable_lto=="true"', { 'cflags': ['<(lto)'], 'ldflags': ['<(lto)'], },], ], },], ['OS == "android"', { 'cflags': [ '-fPIE' ], 'ldflags': [ '-fPIE', '-pie' ] }], ], 'msvs_settings': { 'VCCLCompilerTool': { 'EnableFunctionLevelLinking': 'true', 'EnableIntrinsicFunctions': 'true', 'FavorSizeOrSpeed': 1, # /Ot, favor speed over size 'InlineFunctionExpansion': 2, # /Ob2, inline anything eligible 'OmitFramePointers': 'true', 'Optimization': 3, # /Ox, full optimization 'RuntimeLibrary': '<(MSVC_runtimeType)', 'RuntimeTypeInfo': 'false', } } } }, # Defines these mostly for node-gyp to pickup, and warn addon authors of # imminent V8 deprecations, also to sync how dependencies are configured. 'defines': [ 'V8_DEPRECATION_WARNINGS', 'V8_IMMINENT_DEPRECATION_WARNINGS', ], # Forcibly disable -Werror. We support a wide range of compilers, it's # simply not feasible to squelch all warnings, never mind that the # libraries in deps/ are not under our control. 'cflags!': ['-Werror'], 'msvs_settings': { 'VCCLCompilerTool': { 'BufferSecurityCheck': 'true', 'DebugInformationFormat': 1, # /Z7 embed info in .obj files 'ExceptionHandling': 0, # /EHsc 'MultiProcessorCompilation': 'true', 'StringPooling': 'true', # pool string literals 'SuppressStartupBanner': 'true', 'WarnAsError': 'false', 'WarningLevel': 3, # /W3 }, 'VCLinkerTool': { 'conditions': [ ['target_arch=="ia32"', { 'TargetMachine' : 1, # /MACHINE:X86 'target_conditions': [ ['_type=="executable"', { 'AdditionalOptions': [ '/SubSystem:Console,"5.01"' ], }], ], }], ['target_arch=="x64"', { 'TargetMachine' : 17, # /MACHINE:AMD64 'target_conditions': [ ['_type=="executable"', { 'AdditionalOptions': [ '/SubSystem:Console,"5.02"' ], }], ], }], ], 'GenerateDebugInformation': 'true', 'SuppressStartupBanner': 'true', }, }, # Disable warnings: # - "C4251: class needs to have dll-interface" # - "C4275: non-DLL-interface used as base for DLL-interface" # Over 10k of these warnings are generated when compiling node, # originating from v8.h. Most of them are false positives. # See also: https://github.com/nodejs/node/pull/15570 # TODO: re-enable when Visual Studio fixes these upstream. # # - "C4267: conversion from 'size_t' to 'int'" # Many any originate from our dependencies, and their sheer number # drowns out other, more legitimate warnings. # - "C4244: conversion from 'type1' to 'type2', possible loss of data" # Ususaly safe. Disable for `dep`, enable for `src` 'msvs_disabled_warnings': [4351, 4355, 4800, 4251, 4275, 4244, 4267], 'msvs_cygwin_shell': 0, # prevent actions from trying to use cygwin 'conditions': [ [ 'target_arch=="x64"', { 'msvs_configuration_platform': 'x64', }], ['asan == 1 and OS != "mac"', { 'cflags+': [ '-fno-omit-frame-pointer', '-fsanitize=address', '-DLEAK_SANITIZER' ], 'cflags!': [ '-fomit-frame-pointer' ], 'ldflags': [ '-fsanitize=address' ], }], ['asan == 1 and OS == "mac"', { 'xcode_settings': { 'OTHER_CFLAGS+': [ '-fno-omit-frame-pointer', '-gline-tables-only', '-fsanitize=address', '-DLEAK_SANITIZER' ], 'OTHER_CFLAGS!': [ '-fomit-frame-pointer', ], }, 'target_conditions': [ ['_type!="static_library"', { 'xcode_settings': {'OTHER_LDFLAGS': ['-fsanitize=address']}, }], ], }], ['OS == "win"', { 'defines': [ 'WIN32', # we don't really want VC++ warning us about # how dangerous C functions are... '_CRT_SECURE_NO_DEPRECATE', # ... or that C implementations shouldn't use # POSIX names '_CRT_NONSTDC_NO_DEPRECATE', # Make sure the STL doesn't try to use exceptions '_HAS_EXCEPTIONS=0', 'BUILDING_V8_SHARED=1', 'BUILDING_UV_SHARED=1', ], }], [ 'OS in "linux freebsd openbsd solaris aix"', { 'cflags': [ '-pthread' ], 'ldflags': [ '-pthread' ], }], [ 'OS in "linux freebsd openbsd solaris android aix cloudabi"', { 'cflags': [ '-Wall', '-Wextra', '-Wno-unused-parameter', ], 'cflags_cc': [ '-fno-rtti', '-fno-exceptions', '-std=gnu++1y' ], 'ldflags': [ '-rdynamic' ], 'target_conditions': [ # The 1990s toolchain on SmartOS can't handle thin archives. ['_type=="static_library" and OS=="solaris"', { 'standalone_static_library': 1, }], ['OS=="openbsd"', { 'cflags': [ '-I/usr/local/include' ], 'ldflags': [ '-Wl,-z,wxneeded' ], }], ], 'conditions': [ [ 'target_arch=="ia32"', { 'cflags': [ '-m32' ], 'ldflags': [ '-m32' ], }], [ 'target_arch=="x32"', { 'cflags': [ '-mx32' ], 'ldflags': [ '-mx32' ], }], [ 'target_arch=="x64"', { 'cflags': [ '-m64' ], 'ldflags': [ '-m64' ], }], [ 'target_arch=="ppc" and OS!="aix"', { 'cflags': [ '-m32' ], 'ldflags': [ '-m32' ], }], [ 'target_arch=="ppc64" and OS!="aix"', { 'cflags': [ '-m64', '-mminimal-toc' ], 'ldflags': [ '-m64' ], }], [ 'target_arch=="s390"', { 'cflags': [ '-m31', '-march=z196' ], 'ldflags': [ '-m31', '-march=z196' ], }], [ 'target_arch=="s390x"', { 'cflags': [ '-m64', '-march=z196' ], 'ldflags': [ '-m64', '-march=z196' ], }], [ 'OS=="solaris"', { 'cflags': [ '-pthreads' ], 'ldflags': [ '-pthreads' ], 'cflags!': [ '-pthread' ], 'ldflags!': [ '-pthread' ], }], [ 'node_shared=="true"', { 'cflags': [ '-fPIC' ], }], ], }], [ 'OS=="aix"', { 'variables': { # Used to differentiate `AIX` and `OS400`(IBM i). 'aix_variant_name': '