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{
'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
'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_use_pch%': 'false',
'node_tag%': '',
'uv_library%': 'static_library',
'openssl_fips%': '',
# Default to -O0 for debug builds.
'v8_optimized_debug%': 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.12',
# 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,
# Disable V8 untrusted code mitigations.
# See https://github.com/v8/v8/wiki/Untrusted-code-mitigations
'v8_untrusted_code_mitigations': 'false',
# 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,
'conditions': [
['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,
}, {
'clang%': 0,
}],
],
},
'target_defaults': {
'default_configuration': 'Release',
'configurations': {
'Debug': {
'variables': {
'v8_enable_handle_zapping': 1,
},
'defines': [ 'DEBUG', '_DEBUG', 'V8_ENABLE_CHECKS' ],
'cflags': [ '-g', '-O0' ],
'conditions': [
['target_arch=="x64"', {
'msvs_configuration_platform': 'x64',
}],
['OS=="aix"', {
'variables': {'real_os_name': '<!(uname -s)',},
'cflags': [ '-gxcoff' ],
'ldflags': [ '-Wl,-bbigtoc' ],
'conditions': [
['"<(real_os_name)"=="OS400"', {
'ldflags': [
'-Wl,-blibpath:/QOpenSys/pkgs/lib:/QOpenSys/usr/lib',
'-Wl,-brtl',
],
}],
],
}],
['OS == "android"', {
'cflags': [ '-fPIE' ],
'ldflags': [ '-fPIE', '-pie' ]
}],
['node_shared=="true"', {
'msvs_settings': {
'VCCLCompilerTool': {
'RuntimeLibrary': 3, # MultiThreadedDebugDLL (/MDd)
}
}
}],
['node_shared=="false"', {
'msvs_settings': {
'VCCLCompilerTool': {
'RuntimeLibrary': 1 # MultiThreadedDebug (/MTd)
}
}
}]
],
'msvs_settings': {
'VCCLCompilerTool': {
'Optimization': 0, # /Od, no optimization
'MinimalRebuild': 'false',
'OmitFramePointers': 'false',
'BasicRuntimeChecks': 3, # /RTC1
'MultiProcessorCompilation': 'true',
'AdditionalOptions': [
'/bigobj', # prevent error C1128 in VS2015
],
},
'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,
},
'cflags': [ '-O3' ],
'conditions': [
['target_arch=="x64"', {
'msvs_configuration_platform': 'x64',
}],
['OS=="solaris"', {
# pull in V8's postmortem metadata
'ldflags': [ '-Wl,-z,allextract' ]
}],
['OS!="mac" and OS!="win"', {
'cflags': [ '-fno-omit-frame-pointer' ],
}],
['OS=="linux"', {
'variables': {
'pgo_generate': ' -fprofile-generate ',
'pgo_use': ' -fprofile-use -fprofile-correction ',
'lto': ' -flto=4 -fuse-linker-plugin -ffat-lto-objects ',
},
'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' ]
}],
['node_shared=="true"', {
'msvs_settings': {
'VCCLCompilerTool': {
'RuntimeLibrary': 2 # MultiThreadedDLL (/MD)
}
}
}],
['node_shared=="false"', {
'msvs_settings': {
'VCCLCompilerTool': {
'RuntimeLibrary': 0 # MultiThreaded (/MT)
}
}
}],
['node_with_ltcg=="true"', {
'msvs_settings': {
'VCCLCompilerTool': {
'WholeProgramOptimization': 'true' # /GL, whole program optimization, needed for LTCG
},
'VCLibrarianTool': {
'AdditionalOptions': [
'/LTCG:INCREMENTAL', # link time code generation
]
},
'VCLinkerTool': {
'OptimizeReferences': 2, # /OPT:REF
'EnableCOMDATFolding': 2, # /OPT:ICF
'LinkIncremental': 1, # disable incremental linking
'AdditionalOptions': [
'/LTCG:INCREMENTAL', # incremental link-time code generation
]
}
}
}, {
'msvs_settings': {
'VCCLCompilerTool': {
'WholeProgramOptimization': 'false'
},
'VCLinkerTool': {
'LinkIncremental': 2 # enable incremental linking
}
}
}]
],
'msvs_settings': {
'VCCLCompilerTool': {
'Optimization': 3, # /Ox, full optimization
'FavorSizeOrSpeed': 1, # /Ot, favor speed over size
'InlineFunctionExpansion': 2, # /Ob2, inline anything eligible
'OmitFramePointers': 'true',
'EnableFunctionLevelLinking': 'true',
'EnableIntrinsicFunctions': 'true',
'RuntimeTypeInfo': 'false',
'MultiProcessorCompilation': 'true',
'AdditionalOptions': [
],
}
}
}
},
# 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': {
'StringPooling': 'true', # pool string literals
'DebugInformationFormat': 1, # /Z7 embed info in .obj files
'WarningLevel': 3,
'BufferSecurityCheck': 'true',
'ExceptionHandling': 0, # /EHsc
'SuppressStartupBanner': 'true',
'WarnAsError': 'false',
},
'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',
'GenerateMapFile': 'true', # /MAP
'MapExports': 'true', # /MAPINFO:EXPORTS
'RandomizedBaseAddress': 2, # enable ASLR
'DataExecutionPrevention': 2, # enable DEP
'AllowIsolation': '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],
'conditions': [
['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"', {
'msvs_cygwin_shell': 0, # prevent actions from trying to use cygwin
'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' ],
}],
[ 'OS=="aix"', {
'variables': {'real_os_name': '<!(uname -s)',},
'conditions': [
[ 'target_arch=="ppc"', {
'ldflags': [ '-Wl,-bmaxdata:0x60000000/dsa' ],
}],
[ 'target_arch=="ppc64"', {
'cflags': [ '-maix64' ],
'ldflags': [ '-maix64' ],
}],
['"<(real_os_name)"=="OS400"', {
'ldflags': [
'-Wl,-blibpath:/QOpenSys/pkgs/lib:/QOpenSys/usr/lib',
'-Wl,-brtl',
],
}],
],
'ldflags': [ '-Wl,-bbigtoc' ],
'ldflags!': [ '-rdynamic' ],
}],
[ 'node_shared=="true"', {
'cflags': [ '-fPIC' ],
}],
],
}],
['OS=="android"', {
'target_conditions': [
['_toolset=="target"', {
'defines': [ '_GLIBCXX_USE_C99_MATH' ],
'libraries': [ '-llog' ],
}],
],
}],
['OS=="mac"', {
'defines': ['_DARWIN_USE_64_BIT_INODE=1'],
'xcode_settings': {
'ALWAYS_SEARCH_USER_PATHS': 'NO',
'GCC_CW_ASM_SYNTAX': 'NO', # No -fasm-blocks
'GCC_DYNAMIC_NO_PIC': 'NO', # No -mdynamic-no-pic
# (Equivalent to -fPIC)
'GCC_ENABLE_CPP_EXCEPTIONS': 'NO', # -fno-exceptions
'GCC_ENABLE_CPP_RTTI': 'NO', # -fno-rtti
'GCC_ENABLE_PASCAL_STRINGS': 'NO', # No -mpascal-strings
'PREBINDING': 'NO', # No -Wl,-prebind
'MACOSX_DEPLOYMENT_TARGET': '10.7', # -mmacosx-version-min=10.7
'USE_HEADERMAP': 'NO',
'OTHER_CFLAGS': [
'-fno-strict-aliasing',
],
'WARNING_CFLAGS': [
'-Wall',
'-Wendif-labels',
'-W',
'-Wno-unused-parameter',
],
},
'target_conditions': [
['_type!="static_library"', {
'xcode_settings': {
'OTHER_LDFLAGS': [
'-Wl,-no_pie',
'-Wl,-search_paths_first',
],
},
}],
],
'conditions': [
['target_arch=="ia32"', {
'xcode_settings': {'ARCHS': ['i386']},
}],
['target_arch=="x64"', {
'xcode_settings': {'ARCHS': ['x86_64']},
}],
['clang==1', {
'xcode_settings': {
'GCC_VERSION': 'com.apple.compilers.llvm.clang.1_0',
'CLANG_CXX_LANGUAGE_STANDARD': 'gnu++1y', # -std=gnu++1y
'CLANG_CXX_LIBRARY': 'libc++',
},
}],
],
}],
['OS=="freebsd" and node_use_dtrace=="true"', {
'libraries': [ '-lelf' ],
}],
['OS=="freebsd"', {
'ldflags': [
'-Wl,--export-dynamic',
],
}]
],
}
}