3 'visibility%': 'hidden', # V8's visibility setting
4 'target_arch%': 'ia32', # set v8's target architecture
5 'host_arch%': 'ia32', # set v8's host architecture
6 'want_separate_host_toolset': 0, # V8 should not build target and host
7 'library%': 'static_library', # allow override to 'shared_library' for DLL/.so builds
8 'component%': 'static_library', # NB. these names match with what V8 expects
9 'msvs_multi_core_compile': '0', # we do enable multicore compiles, but not using the V8 way
10 'gcc_version%': 'unknown',
14 # Enable V8's post-mortem debugging only on unix flavors.
18 'v8_postmortem_support': 'false'
21 'v8_postmortem_support': 'true'
27 'default_configuration': 'Release',
30 'defines': [ 'DEBUG', '_DEBUG' ],
31 'cflags': [ '-g', '-O0' ],
33 ['target_arch=="x64"', {
34 'msvs_configuration_platform': 'x64',
39 'RuntimeLibrary': 1, # static debug
40 'Optimization': 0, # /Od, no optimization
41 'MinimalRebuild': 'false',
42 'OmitFramePointers': 'false',
43 'BasicRuntimeChecks': 3, # /RTC1
46 'LinkIncremental': 2, # enable incremental linking
50 'GCC_OPTIMIZATION_LEVEL': '0', # stop gyp from defaulting to -Os
54 'cflags': [ '-O3', '-ffunction-sections', '-fdata-sections' ],
56 ['target_arch=="x64"', {
57 'msvs_configuration_platform': 'x64',
60 # pull in V8's postmortem metadata
61 'ldflags': [ '-Wl,-z,allextract' ]
63 # Doesn't work with the Solaris linker.
64 'ldflags': [ '-Wl,--gc-sections' ],
66 ['clang == 0 and gcc_version >= 40', {
67 'cflags': [ '-fno-tree-vrp' ], # Work around compiler bug.
69 ['clang == 0 and gcc_version <= 44', {
70 'cflags': [ '-fno-tree-sink' ], # Work around compiler bug.
72 ['OS!="mac" and OS!="win"', {
73 'cflags': [ '-fno-omit-frame-pointer' ],
78 'RuntimeLibrary': 0, # static release
79 'Optimization': 3, # /Ox, full optimization
80 'FavorSizeOrSpeed': 1, # /Ot, favour speed over size
81 'InlineFunctionExpansion': 2, # /Ob2, inline anything eligible
82 'WholeProgramOptimization': 'true', # /GL, whole program optimization, needed for LTCG
83 'OmitFramePointers': 'true',
84 'EnableFunctionLevelLinking': 'true',
85 'EnableIntrinsicFunctions': 'true',
86 'RuntimeTypeInfo': 'false',
87 'ExceptionHandling': '0',
88 'AdditionalOptions': [
89 '/MP', # compile across multiple CPUs
93 'AdditionalOptions': [
94 '/LTCG', # link time code generation
98 'LinkTimeCodeGeneration': 1, # link-time code generation
99 'OptimizeReferences': 2, # /OPT:REF
100 'EnableCOMDATFolding': 2, # /OPT:ICF
101 'LinkIncremental': 1, # disable incremental linking
106 # Forcibly disable -Werror. We support a wide range of compilers, it's
107 # simply not feasible to squelch all warnings, never mind that the
108 # libraries in deps/ are not under our control.
109 'cflags!': ['-Werror'],
111 'VCCLCompilerTool': {
112 'StringPooling': 'true', # pool string literals
113 'DebugInformationFormat': 3, # Generate a PDB
115 'BufferSecurityCheck': 'true',
116 'ExceptionHandling': 1, # /EHsc
117 'SuppressStartupBanner': 'true',
118 'WarnAsError': 'false',
124 ['target_arch=="x64"', {
125 'TargetMachine' : 17 # /MACHINE:X64
128 'GenerateDebugInformation': 'true',
129 'RandomizedBaseAddress': 2, # enable ASLR
130 'DataExecutionPrevention': 2, # enable DEP
131 'AllowIsolation': 'true',
132 'SuppressStartupBanner': 'true',
133 'target_conditions': [
134 ['_type=="executable"', {
135 'SubSystem': 1, # console executable
140 'msvs_disabled_warnings': [4351, 4355, 4800],
143 'msvs_cygwin_shell': 0, # prevent actions from trying to use cygwin
146 # we don't really want VC++ warning us about
147 # how dangerous C functions are...
148 '_CRT_SECURE_NO_DEPRECATE',
149 # ... or that C implementations shouldn't use
151 '_CRT_NONSTDC_NO_DEPRECATE',
152 'BUILDING_V8_SHARED=1',
153 'BUILDING_UV_SHARED=1',
156 [ 'OS in "linux freebsd openbsd solaris"', {
157 'cflags': [ '-pthread', ],
158 'ldflags': [ '-pthread' ],
160 [ 'OS in "linux freebsd openbsd solaris android"', {
161 'cflags': [ '-Wall', '-Wextra', '-Wno-unused-parameter', ],
162 'cflags_cc': [ '-fno-rtti', '-fno-exceptions' ],
163 'ldflags': [ '-rdynamic' ],
164 'target_conditions': [
165 ['_type=="static_library"', {
166 'standalone_static_library': 1, # disable thin archive which needs binutils >= 2.19
170 [ 'target_arch=="ia32"', {
171 'cflags': [ '-m32' ],
172 'ldflags': [ '-m32' ],
174 [ 'target_arch=="x64"', {
175 'cflags': [ '-m64' ],
176 'ldflags': [ '-m64' ],
179 'cflags': [ '-pthreads' ],
180 'ldflags': [ '-pthreads' ],
181 'cflags!': [ '-pthread' ],
182 'ldflags!': [ '-pthread' ],
187 'defines': ['_GLIBCXX_USE_C99_MATH'],
188 'libraries': [ '-llog' ],
191 'defines': ['_DARWIN_USE_64_BIT_INODE=1'],
193 'ALWAYS_SEARCH_USER_PATHS': 'NO',
194 'GCC_CW_ASM_SYNTAX': 'NO', # No -fasm-blocks
195 'GCC_DYNAMIC_NO_PIC': 'NO', # No -mdynamic-no-pic
196 # (Equivalent to -fPIC)
197 'GCC_ENABLE_CPP_EXCEPTIONS': 'NO', # -fno-exceptions
198 'GCC_ENABLE_CPP_RTTI': 'NO', # -fno-rtti
199 'GCC_ENABLE_PASCAL_STRINGS': 'NO', # No -mpascal-strings
200 'GCC_THREADSAFE_STATICS': 'NO', # -fno-threadsafe-statics
201 'PREBINDING': 'NO', # No -Wl,-prebind
202 'MACOSX_DEPLOYMENT_TARGET': '10.5', # -mmacosx-version-min=10.5
203 'USE_HEADERMAP': 'NO',
205 '-fno-strict-aliasing',
211 '-Wno-unused-parameter',
214 'target_conditions': [
215 ['_type!="static_library"', {
216 'xcode_settings': {'OTHER_LDFLAGS': ['-Wl,-search_paths_first']},
220 ['target_arch=="ia32"', {
221 'xcode_settings': {'ARCHS': ['i386']},
223 ['target_arch=="x64"', {
224 'xcode_settings': {'ARCHS': ['x86_64']},
228 ['OS=="freebsd" and node_use_dtrace=="true"', {
229 'libraries': [ '-lelf' ],