wok-next diff node/stuff/SConstruct @ rev 19600

Up cookutils (869)
author Aleksej Bobylev <al.bobylev@gmail.com>
date Mon Jan 23 11:20:11 2017 +0200 (2017-01-23)
parents
children
line diff
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/node/stuff/SConstruct	Mon Jan 23 11:20:11 2017 +0200
     1.3 @@ -0,0 +1,1636 @@
     1.4 +# Copyright 2012 the V8 project authors. All rights reserved.
     1.5 +# Redistribution and use in source and binary forms, with or without
     1.6 +# modification, are permitted provided that the following conditions are
     1.7 +# met:
     1.8 +#
     1.9 +#     * Redistributions of source code must retain the above copyright
    1.10 +#       notice, this list of conditions and the following disclaimer.
    1.11 +#     * Redistributions in binary form must reproduce the above
    1.12 +#       copyright notice, this list of conditions and the following
    1.13 +#       disclaimer in the documentation and/or other materials provided
    1.14 +#       with the distribution.
    1.15 +#     * Neither the name of Google Inc. nor the names of its
    1.16 +#       contributors may be used to endorse or promote products derived
    1.17 +#       from this software without specific prior written permission.
    1.18 +#
    1.19 +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    1.20 +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    1.21 +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    1.22 +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
    1.23 +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    1.24 +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    1.25 +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    1.26 +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    1.27 +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    1.28 +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    1.29 +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    1.30 +
    1.31 +import platform
    1.32 +import re
    1.33 +import subprocess
    1.34 +import sys
    1.35 +import os
    1.36 +from os.path import join, dirname, abspath
    1.37 +from types import DictType, StringTypes
    1.38 +root_dir = dirname(File('SConstruct').rfile().abspath)
    1.39 +src_dir = join(root_dir, 'src')
    1.40 +sys.path.insert(0, join(root_dir, 'tools'))
    1.41 +import js2c, utils
    1.42 +
    1.43 +# ARM_TARGET_LIB is the path to the dynamic library to use on the target
    1.44 +# machine if cross-compiling to an arm machine. You will also need to set
    1.45 +# the additional cross-compiling environment variables to the cross compiler.
    1.46 +ARM_TARGET_LIB = os.environ.get('ARM_TARGET_LIB')
    1.47 +if ARM_TARGET_LIB:
    1.48 +  ARM_LINK_FLAGS = ['-Wl,-rpath=' + ARM_TARGET_LIB + '/lib:' +
    1.49 +                     ARM_TARGET_LIB + '/usr/lib',
    1.50 +                    '-Wl,--dynamic-linker=' + ARM_TARGET_LIB +
    1.51 +                    '/lib/ld-linux.so.3']
    1.52 +else:
    1.53 +  ARM_LINK_FLAGS = []
    1.54 +
    1.55 +GCC_EXTRA_CCFLAGS = []
    1.56 +GCC_DTOA_EXTRA_CCFLAGS = []
    1.57 +
    1.58 +LIBRARY_FLAGS = {
    1.59 +  'all': {
    1.60 +    'CPPPATH': [src_dir],
    1.61 +    'regexp:interpreted': {
    1.62 +      'CPPDEFINES': ['V8_INTERPRETED_REGEXP']
    1.63 +    },
    1.64 +    'mode:debug': {
    1.65 +      'CPPDEFINES': ['V8_ENABLE_CHECKS', 'OBJECT_PRINT', 'VERIFY_HEAP']
    1.66 +    },
    1.67 +    'objectprint:on': {
    1.68 +      'CPPDEFINES':   ['OBJECT_PRINT'],
    1.69 +    },
    1.70 +    'debuggersupport:on': {
    1.71 +      'CPPDEFINES':   ['ENABLE_DEBUGGER_SUPPORT'],
    1.72 +    },
    1.73 +    'inspector:on': {
    1.74 +      'CPPDEFINES':   ['INSPECTOR'],
    1.75 +    },
    1.76 +    'fasttls:off': {
    1.77 +      'CPPDEFINES':   ['V8_NO_FAST_TLS'],
    1.78 +    },
    1.79 +    'liveobjectlist:on': {
    1.80 +      'CPPDEFINES':   ['ENABLE_DEBUGGER_SUPPORT', 'INSPECTOR',
    1.81 +                       'LIVE_OBJECT_LIST', 'OBJECT_PRINT'],
    1.82 +    }
    1.83 +  },
    1.84 +  'gcc': {
    1.85 +    'all': {
    1.86 +      'CCFLAGS':      ['$DIALECTFLAGS', '$WARNINGFLAGS', '-march=armv6'],
    1.87 +      'CXXFLAGS':     ['-fno-rtti', '-fno-exceptions', '-march=armv6'],
    1.88 +    },
    1.89 +    'visibility:hidden': {
    1.90 +      # Use visibility=default to disable this.
    1.91 +      'CXXFLAGS':     ['-fvisibility=hidden']
    1.92 +    },
    1.93 +    'strictaliasing:off': {
    1.94 +      'CCFLAGS':      ['-fno-strict-aliasing']
    1.95 +    },
    1.96 +    'mode:debug': {
    1.97 +      'CCFLAGS':      ['-g', '-O0'],
    1.98 +      'CPPDEFINES':   ['ENABLE_DISASSEMBLER', 'DEBUG'],
    1.99 +    },
   1.100 +    'mode:release': {
   1.101 +      'CCFLAGS':      ['-O3', '-fomit-frame-pointer', '-fdata-sections',
   1.102 +                       '-ffunction-sections'],
   1.103 +    },
   1.104 +    'os:linux': {
   1.105 +      'CCFLAGS':      ['-ansi'] + GCC_EXTRA_CCFLAGS,
   1.106 +      'library:shared': {
   1.107 +        'CPPDEFINES': ['V8_SHARED', 'BUILDING_V8_SHARED'],
   1.108 +        'LIBS': ['pthread']
   1.109 +      }
   1.110 +    },
   1.111 +    'os:macos': {
   1.112 +      'CCFLAGS':      ['-ansi', '-mmacosx-version-min=10.4'],
   1.113 +      'library:shared': {
   1.114 +        'CPPDEFINES': ['V8_SHARED', 'BUILDING_V8_SHARED'],
   1.115 +      }
   1.116 +    },
   1.117 +    'os:freebsd': {
   1.118 +      'CPPPATH' : [src_dir, '/usr/local/include'],
   1.119 +      'LIBPATH' : ['/usr/local/lib'],
   1.120 +      'CCFLAGS':      ['-ansi'],
   1.121 +      'LIBS': ['execinfo']
   1.122 +    },
   1.123 +    'os:openbsd': {
   1.124 +      'CPPPATH' : [src_dir, '/usr/local/include'],
   1.125 +      'LIBPATH' : ['/usr/local/lib'],
   1.126 +      'CCFLAGS':      ['-ansi'],
   1.127 +    },
   1.128 +    'os:solaris': {
   1.129 +      # On Solaris, to get isinf, INFINITY, fpclassify and other macros one
   1.130 +      # needs to define __C99FEATURES__.
   1.131 +      'CPPDEFINES': ['__C99FEATURES__'],
   1.132 +      'CPPPATH' : [src_dir, '/usr/local/include'],
   1.133 +      'LIBPATH' : ['/usr/local/lib'],
   1.134 +      'CCFLAGS':      ['-ansi'],
   1.135 +    },
   1.136 +    'os:netbsd': {
   1.137 +      'CPPPATH' : [src_dir, '/usr/pkg/include'],
   1.138 +      'LIBPATH' : ['/usr/pkg/lib'],
   1.139 +    },
   1.140 +    'os:win32': {
   1.141 +      'CCFLAGS':      ['-DWIN32'],
   1.142 +      'CXXFLAGS':     ['-DWIN32'],
   1.143 +    },
   1.144 +    'arch:ia32': {
   1.145 +      'CPPDEFINES':   ['V8_TARGET_ARCH_IA32'],
   1.146 +      'CCFLAGS':      ['-m32'],
   1.147 +      'LINKFLAGS':    ['-m32']
   1.148 +    },
   1.149 +    'arch:arm': {
   1.150 +      'CPPDEFINES':   ['V8_TARGET_ARCH_ARM'],
   1.151 +      'unalignedaccesses:on' : {
   1.152 +        'CPPDEFINES' : ['CAN_USE_UNALIGNED_ACCESSES=1']
   1.153 +      },
   1.154 +      'unalignedaccesses:off' : {
   1.155 +        'CPPDEFINES' : ['CAN_USE_UNALIGNED_ACCESSES=0']
   1.156 +      },
   1.157 +      'armeabi:soft' : {
   1.158 +        'CPPDEFINES' : ['USE_EABI_HARDFLOAT=0'],
   1.159 +        'simulator:none': {
   1.160 +          'CCFLAGS':     ['-mfloat-abi=soft'],
   1.161 +        }
   1.162 +      },
   1.163 +      'armeabi:softfp' : {
   1.164 +        'CPPDEFINES' : ['USE_EABI_HARDFLOAT=0'],
   1.165 +        'vfp3:on': {
   1.166 +          'CPPDEFINES' : ['CAN_USE_VFP_INSTRUCTIONS']
   1.167 +        },
   1.168 +        'simulator:none': {
   1.169 +          'CCFLAGS':     ['-mfloat-abi=softfp'],
   1.170 +        }
   1.171 +      },
   1.172 +      'armeabi:hard' : {
   1.173 +        'CPPDEFINES' : ['USE_EABI_HARDFLOAT=1'],
   1.174 +        'vfp3:on': {
   1.175 +          'CPPDEFINES' : ['CAN_USE_VFP_INSTRUCTIONS']
   1.176 +        },
   1.177 +        'simulator:none': {
   1.178 +          'CCFLAGS':     ['-mfloat-abi=hard'],
   1.179 +        }
   1.180 +      }
   1.181 +    },
   1.182 +    'simulator:arm': {
   1.183 +      'CCFLAGS':      ['-m32'],
   1.184 +      'LINKFLAGS':    ['-m32'],
   1.185 +    },
   1.186 +    'arch:mips': {
   1.187 +      'CPPDEFINES':   ['V8_TARGET_ARCH_MIPS'],
   1.188 +      'mips_arch_variant:mips32r2': {
   1.189 +        'CPPDEFINES':    ['_MIPS_ARCH_MIPS32R2']
   1.190 +      },
   1.191 +      'mips_arch_variant:loongson': {
   1.192 +        'CPPDEFINES':    ['_MIPS_ARCH_LOONGSON']
   1.193 +      },
   1.194 +      'simulator:none': {
   1.195 +        'CCFLAGS':      ['-EL'],
   1.196 +        'LINKFLAGS':    ['-EL'],
   1.197 +        'mips_arch_variant:mips32r2': {
   1.198 +          'CCFLAGS':      ['-mips32r2', '-Wa,-mips32r2']
   1.199 +        },
   1.200 +        'mips_arch_variant:mips32r1': {
   1.201 +          'CCFLAGS':      ['-mips32', '-Wa,-mips32']
   1.202 +        },
   1.203 +        'mips_arch_variant:loongson': {
   1.204 +          'CCFLAGS':      ['-march=mips3', '-Wa,-march=mips3']
   1.205 +        },
   1.206 +        'library:static': {
   1.207 +          'LINKFLAGS':    ['-static', '-static-libgcc']
   1.208 +        },
   1.209 +        'mipsabi:softfloat': {
   1.210 +          'CCFLAGS':      ['-msoft-float'],
   1.211 +          'LINKFLAGS':    ['-msoft-float']
   1.212 +        },
   1.213 +        'mipsabi:hardfloat': {
   1.214 +          'CCFLAGS':      ['-mhard-float'],
   1.215 +          'LINKFLAGS':    ['-mhard-float']
   1.216 +        }
   1.217 +      }
   1.218 +    },
   1.219 +    'simulator:mips': {
   1.220 +      'CCFLAGS':      ['-m32'],
   1.221 +      'LINKFLAGS':    ['-m32'],
   1.222 +      'mipsabi:softfloat': {
   1.223 +        'CPPDEFINES':    ['__mips_soft_float=1'],
   1.224 +        'fpu:on': {
   1.225 +          'CPPDEFINES' : ['CAN_USE_FPU_INSTRUCTIONS']
   1.226 +        }
   1.227 +      },
   1.228 +      'mipsabi:hardfloat': {
   1.229 +        'CPPDEFINES':    ['__mips_hard_float=1', 'CAN_USE_FPU_INSTRUCTIONS'],
   1.230 +      }
   1.231 +    },
   1.232 +    'arch:x64': {
   1.233 +      'CPPDEFINES':   ['V8_TARGET_ARCH_X64'],
   1.234 +      'CCFLAGS':      ['-m64'],
   1.235 +      'LINKFLAGS':    ['-m64'],
   1.236 +    },
   1.237 +    'gdbjit:on': {
   1.238 +      'CPPDEFINES':   ['ENABLE_GDB_JIT_INTERFACE']
   1.239 +    },
   1.240 +    'compress_startup_data:bz2': {
   1.241 +      'CPPDEFINES':   ['COMPRESS_STARTUP_DATA_BZ2']
   1.242 +    }
   1.243 +  },
   1.244 +  'msvc': {
   1.245 +    'all': {
   1.246 +      'CCFLAGS':      ['$DIALECTFLAGS', '$WARNINGFLAGS'],
   1.247 +      'CXXFLAGS':     ['/GR-', '/Gy'],
   1.248 +      'CPPDEFINES':   ['WIN32'],
   1.249 +      'LINKFLAGS':    ['/INCREMENTAL:NO', '/NXCOMPAT', '/IGNORE:4221'],
   1.250 +      'CCPDBFLAGS':   ['/Zi']
   1.251 +    },
   1.252 +    'verbose:off': {
   1.253 +      'DIALECTFLAGS': ['/nologo'],
   1.254 +      'ARFLAGS':      ['/NOLOGO']
   1.255 +    },
   1.256 +    'arch:ia32': {
   1.257 +      'CPPDEFINES':   ['V8_TARGET_ARCH_IA32', '_USE_32BIT_TIME_T'],
   1.258 +      'LINKFLAGS':    ['/MACHINE:X86'],
   1.259 +      'ARFLAGS':      ['/MACHINE:X86']
   1.260 +    },
   1.261 +    'arch:x64': {
   1.262 +      'CPPDEFINES':   ['V8_TARGET_ARCH_X64'],
   1.263 +      'LINKFLAGS':    ['/MACHINE:X64'],
   1.264 +      'ARFLAGS':      ['/MACHINE:X64']
   1.265 +    },
   1.266 +    'mode:debug': {
   1.267 +      'CCFLAGS':      ['/Od', '/Gm'],
   1.268 +      'CPPDEFINES':   ['_DEBUG', 'ENABLE_DISASSEMBLER', 'DEBUG'],
   1.269 +      'LINKFLAGS':    ['/DEBUG'],
   1.270 +      'msvcrt:static': {
   1.271 +        'CCFLAGS': ['/MTd']
   1.272 +      },
   1.273 +      'msvcrt:shared': {
   1.274 +        'CCFLAGS': ['/MDd']
   1.275 +      }
   1.276 +    },
   1.277 +    'mode:release': {
   1.278 +      'CCFLAGS':      ['/O2'],
   1.279 +      'LINKFLAGS':    ['/OPT:REF', '/OPT:ICF'],
   1.280 +      'msvcrt:static': {
   1.281 +        'CCFLAGS': ['/MT']
   1.282 +      },
   1.283 +      'msvcrt:shared': {
   1.284 +        'CCFLAGS': ['/MD']
   1.285 +      },
   1.286 +      'msvcltcg:on': {
   1.287 +        'CCFLAGS':      ['/GL'],
   1.288 +        'ARFLAGS':      ['/LTCG'],
   1.289 +        'pgo:off': {
   1.290 +          'LINKFLAGS':    ['/LTCG'],
   1.291 +        },
   1.292 +        'pgo:instrument': {
   1.293 +          'LINKFLAGS':    ['/LTCG:PGI']
   1.294 +        },
   1.295 +        'pgo:optimize': {
   1.296 +          'LINKFLAGS':    ['/LTCG:PGO']
   1.297 +        }
   1.298 +      }
   1.299 +    }
   1.300 +  }
   1.301 +}
   1.302 +
   1.303 +
   1.304 +V8_EXTRA_FLAGS = {
   1.305 +  'gcc': {
   1.306 +    'all': {
   1.307 +      'WARNINGFLAGS': ['-Wall',
   1.308 +                       '-Werror',
   1.309 +                       '-W',
   1.310 +                       '-Wno-unused-parameter',
   1.311 +                       '-Woverloaded-virtual',
   1.312 +                       '-Wnon-virtual-dtor']
   1.313 +    },
   1.314 +    'os:win32': {
   1.315 +      'WARNINGFLAGS': ['-pedantic',
   1.316 +                       '-Wno-long-long',
   1.317 +                       '-Wno-pedantic-ms-format'],
   1.318 +      'library:shared': {
   1.319 +        'LIBS': ['winmm', 'ws2_32']
   1.320 +      }
   1.321 +    },
   1.322 +    'os:linux': {
   1.323 +      'WARNINGFLAGS': ['-pedantic'],
   1.324 +      'library:shared': {
   1.325 +        'soname:on': {
   1.326 +          'LINKFLAGS': ['-Wl,-soname,${SONAME}']
   1.327 +        }
   1.328 +      }
   1.329 +    },
   1.330 +    'os:macos': {
   1.331 +      'WARNINGFLAGS': ['-pedantic']
   1.332 +    },
   1.333 +    'arch:arm': {
   1.334 +      # This is to silence warnings about ABI changes that some versions of the
   1.335 +      # CodeSourcery G++ tool chain produce for each occurrence of varargs.
   1.336 +      'WARNINGFLAGS': ['-Wno-abi']
   1.337 +    },
   1.338 +    'disassembler:on': {
   1.339 +      'CPPDEFINES':   ['ENABLE_DISASSEMBLER']
   1.340 +    }
   1.341 +  },
   1.342 +  'msvc': {
   1.343 +    'all': {
   1.344 +      'WARNINGFLAGS': ['/W3', '/WX', '/wd4351', '/wd4355', '/wd4800']
   1.345 +    },
   1.346 +    'library:shared': {
   1.347 +      'CPPDEFINES': ['BUILDING_V8_SHARED'],
   1.348 +      'LIBS': ['winmm', 'ws2_32']
   1.349 +    },
   1.350 +    'arch:arm': {
   1.351 +      'CPPDEFINES':   ['V8_TARGET_ARCH_ARM'],
   1.352 +      # /wd4996 is to silence the warning about sscanf
   1.353 +      # used by the arm simulator.
   1.354 +      'WARNINGFLAGS': ['/wd4996']
   1.355 +    },
   1.356 +    'arch:mips': {
   1.357 +      'CPPDEFINES':   ['V8_TARGET_ARCH_MIPS'],
   1.358 +      'mips_arch_variant:mips32r2': {
   1.359 +        'CPPDEFINES':    ['_MIPS_ARCH_MIPS32R2']
   1.360 +      },
   1.361 +    },
   1.362 +    'disassembler:on': {
   1.363 +      'CPPDEFINES':   ['ENABLE_DISASSEMBLER']
   1.364 +    }
   1.365 +  }
   1.366 +}
   1.367 +
   1.368 +
   1.369 +MKSNAPSHOT_EXTRA_FLAGS = {
   1.370 +  'gcc': {
   1.371 +    'os:linux': {
   1.372 +      'LIBS': ['pthread'],
   1.373 +    },
   1.374 +    'os:macos': {
   1.375 +      'LIBS': ['pthread'],
   1.376 +    },
   1.377 +    'os:freebsd': {
   1.378 +      'LIBS': ['execinfo', 'pthread']
   1.379 +    },
   1.380 +    'os:solaris': {
   1.381 +      'LIBS': ['m', 'pthread', 'socket', 'nsl', 'rt'],
   1.382 +      'LINKFLAGS': ['-mt']
   1.383 +    },
   1.384 +    'os:openbsd': {
   1.385 +      'LIBS': ['execinfo', 'pthread']
   1.386 +    },
   1.387 +    'os:win32': {
   1.388 +      'LIBS': ['winmm', 'ws2_32'],
   1.389 +    },
   1.390 +    'os:netbsd': {
   1.391 +      'LIBS': ['execinfo', 'pthread']
   1.392 +    },
   1.393 +    'compress_startup_data:bz2': {
   1.394 +      'os:linux': {
   1.395 +        'LIBS': ['bz2']
   1.396 +      }
   1.397 +    },
   1.398 +  },
   1.399 +  'msvc': {
   1.400 +    'all': {
   1.401 +      'CPPDEFINES': ['_HAS_EXCEPTIONS=0'],
   1.402 +      'LIBS': ['winmm', 'ws2_32']
   1.403 +    }
   1.404 +  }
   1.405 +}
   1.406 +
   1.407 +
   1.408 +DTOA_EXTRA_FLAGS = {
   1.409 +  'gcc': {
   1.410 +    'all': {
   1.411 +      'WARNINGFLAGS': ['-Werror', '-Wno-uninitialized'],
   1.412 +      'CCFLAGS': GCC_DTOA_EXTRA_CCFLAGS
   1.413 +    }
   1.414 +  },
   1.415 +  'msvc': {
   1.416 +    'all': {
   1.417 +      'WARNINGFLAGS': ['/WX', '/wd4018', '/wd4244']
   1.418 +    }
   1.419 +  }
   1.420 +}
   1.421 +
   1.422 +
   1.423 +CCTEST_EXTRA_FLAGS = {
   1.424 +  'all': {
   1.425 +    'CPPPATH': [src_dir],
   1.426 +    'library:shared': {
   1.427 +      'CPPDEFINES': ['USING_V8_SHARED']
   1.428 +    },
   1.429 +  },
   1.430 +  'gcc': {
   1.431 +    'all': {
   1.432 +      'LIBPATH':      [abspath('.')],
   1.433 +      'CCFLAGS':      ['$DIALECTFLAGS', '$WARNINGFLAGS'],
   1.434 +      'CXXFLAGS':     ['-fno-rtti', '-fno-exceptions'],
   1.435 +      'LINKFLAGS':    ['$CCFLAGS'],
   1.436 +    },
   1.437 +    'os:linux': {
   1.438 +      'LIBS':         ['pthread'],
   1.439 +      'CCFLAGS':      ['-Wno-unused-but-set-variable'],
   1.440 +    },
   1.441 +    'os:macos': {
   1.442 +      'LIBS':         ['pthread'],
   1.443 +    },
   1.444 +    'os:freebsd': {
   1.445 +      'LIBS':         ['execinfo', 'pthread']
   1.446 +    },
   1.447 +    'os:solaris': {
   1.448 +      'LIBS':         ['m', 'pthread', 'socket', 'nsl', 'rt'],
   1.449 +      'LINKFLAGS':    ['-mt']
   1.450 +    },
   1.451 +    'os:openbsd': {
   1.452 +      'LIBS':         ['execinfo', 'pthread']
   1.453 +    },
   1.454 +    'os:win32': {
   1.455 +      'LIBS': ['winmm', 'ws2_32']
   1.456 +    },
   1.457 +    'os:netbsd': {
   1.458 +      'LIBS':         ['execinfo', 'pthread']
   1.459 +    },
   1.460 +    'arch:arm': {
   1.461 +      'LINKFLAGS':   ARM_LINK_FLAGS
   1.462 +    },
   1.463 +  },
   1.464 +  'msvc': {
   1.465 +    'all': {
   1.466 +      'CPPDEFINES': ['_HAS_EXCEPTIONS=0'],
   1.467 +      'LIBS': ['winmm', 'ws2_32']
   1.468 +    },
   1.469 +    'arch:ia32': {
   1.470 +      'CPPDEFINES': ['V8_TARGET_ARCH_IA32']
   1.471 +    },
   1.472 +    'arch:x64': {
   1.473 +      'CPPDEFINES':   ['V8_TARGET_ARCH_X64'],
   1.474 +      'LINKFLAGS': ['/STACK:2097152']
   1.475 +    },
   1.476 +  }
   1.477 +}
   1.478 +
   1.479 +
   1.480 +SAMPLE_FLAGS = {
   1.481 +  'all': {
   1.482 +    'CPPPATH': [join(root_dir, 'include')],
   1.483 +    'library:shared': {
   1.484 +      'CPPDEFINES': ['USING_V8_SHARED']
   1.485 +    },
   1.486 +  },
   1.487 +  'gcc': {
   1.488 +    'all': {
   1.489 +      'LIBPATH':      ['.'],
   1.490 +      'CCFLAGS':      ['$DIALECTFLAGS', '$WARNINGFLAGS'],
   1.491 +      'CXXFLAGS':     ['-fno-rtti', '-fno-exceptions'],
   1.492 +      'LINKFLAGS':    ['$CCFLAGS'],
   1.493 +    },
   1.494 +    'os:linux': {
   1.495 +      'LIBS':         ['pthread'],
   1.496 +    },
   1.497 +    'os:macos': {
   1.498 +      'LIBS':         ['pthread'],
   1.499 +    },
   1.500 +    'os:freebsd': {
   1.501 +      'LIBPATH' :     ['/usr/local/lib'],
   1.502 +      'LIBS':         ['execinfo', 'pthread']
   1.503 +    },
   1.504 +    'os:solaris': {
   1.505 +      # On Solaris, to get isinf, INFINITY, fpclassify and other macros one
   1.506 +      # needs to define __C99FEATURES__.
   1.507 +      'CPPDEFINES': ['__C99FEATURES__'],
   1.508 +      'LIBPATH' :     ['/usr/local/lib'],
   1.509 +      'LIBS':         ['m', 'pthread', 'socket', 'nsl', 'rt'],
   1.510 +      'LINKFLAGS':    ['-mt']
   1.511 +    },
   1.512 +    'os:openbsd': {
   1.513 +      'LIBPATH' :     ['/usr/local/lib'],
   1.514 +      'LIBS':         ['execinfo', 'pthread']
   1.515 +    },
   1.516 +    'os:win32': {
   1.517 +      'LIBS':         ['winmm', 'ws2_32']
   1.518 +    },
   1.519 +    'os:netbsd': {
   1.520 +      'LIBPATH' :     ['/usr/pkg/lib'],
   1.521 +      'LIBS':         ['execinfo', 'pthread']
   1.522 +    },
   1.523 +    'arch:arm': {
   1.524 +      'LINKFLAGS':   ARM_LINK_FLAGS,
   1.525 +      'armeabi:soft' : {
   1.526 +        'CPPDEFINES' : ['USE_EABI_HARDFLOAT=0'],
   1.527 +        'simulator:none': {
   1.528 +          'CCFLAGS':     ['-mfloat-abi=soft'],
   1.529 +        }
   1.530 +      },
   1.531 +      'armeabi:softfp' : {
   1.532 +        'CPPDEFINES' : ['USE_EABI_HARDFLOAT=0'],
   1.533 +        'simulator:none': {
   1.534 +          'CCFLAGS':     ['-mfloat-abi=softfp'],
   1.535 +        }
   1.536 +      },
   1.537 +      'armeabi:hard' : {
   1.538 +        'CPPDEFINES' : ['USE_EABI_HARDFLOAT=1'],
   1.539 +        'vfp3:on': {
   1.540 +          'CPPDEFINES' : ['CAN_USE_VFP_INSTRUCTIONS']
   1.541 +        },
   1.542 +        'simulator:none': {
   1.543 +          'CCFLAGS':     ['-mfloat-abi=hard'],
   1.544 +        }
   1.545 +      }
   1.546 +    },
   1.547 +    'arch:ia32': {
   1.548 +      'CCFLAGS':      ['-m32'],
   1.549 +      'LINKFLAGS':    ['-m32']
   1.550 +    },
   1.551 +    'arch:x64': {
   1.552 +      'CCFLAGS':      ['-m64'],
   1.553 +      'LINKFLAGS':    ['-m64']
   1.554 +    },
   1.555 +    'arch:mips': {
   1.556 +      'CPPDEFINES':   ['V8_TARGET_ARCH_MIPS'],
   1.557 +      'mips_arch_variant:mips32r2': {
   1.558 +        'CPPDEFINES':    ['_MIPS_ARCH_MIPS32R2']
   1.559 +      },
   1.560 +      'mips_arch_variant:loongson': {
   1.561 +        'CPPDEFINES':    ['_MIPS_ARCH_LOONGSON']
   1.562 +      },
   1.563 +      'simulator:none': {
   1.564 +        'CCFLAGS':      ['-EL'],
   1.565 +        'LINKFLAGS':    ['-EL'],
   1.566 +        'mips_arch_variant:mips32r2': {
   1.567 +          'CCFLAGS':      ['-mips32r2', '-Wa,-mips32r2']
   1.568 +        },
   1.569 +        'mips_arch_variant:mips32r1': {
   1.570 +          'CCFLAGS':      ['-mips32', '-Wa,-mips32']
   1.571 +        },
   1.572 +        'mips_arch_variant:loongson': {
   1.573 +          'CCFLAGS':      ['-march=mips3', '-Wa,-march=mips3']
   1.574 +        },
   1.575 +        'library:static': {
   1.576 +          'LINKFLAGS':    ['-static', '-static-libgcc']
   1.577 +        },
   1.578 +        'mipsabi:softfloat': {
   1.579 +          'CCFLAGS':      ['-msoft-float'],
   1.580 +          'LINKFLAGS':    ['-msoft-float']
   1.581 +        },
   1.582 +        'mipsabi:hardfloat': {
   1.583 +          'CCFLAGS':      ['-mhard-float'],
   1.584 +          'LINKFLAGS':    ['-mhard-float'],
   1.585 +          'fpu:on': {
   1.586 +            'CPPDEFINES' : ['CAN_USE_FPU_INSTRUCTIONS']
   1.587 +          }
   1.588 +        }
   1.589 +      }
   1.590 +    },
   1.591 +    'simulator:arm': {
   1.592 +      'CCFLAGS':      ['-m32'],
   1.593 +      'LINKFLAGS':    ['-m32']
   1.594 +    },
   1.595 +    'simulator:mips': {
   1.596 +      'CCFLAGS':      ['-m32'],
   1.597 +      'LINKFLAGS':    ['-m32']
   1.598 +    },
   1.599 +    'mode:release': {
   1.600 +      'CCFLAGS':      ['-O2']
   1.601 +    },
   1.602 +    'mode:debug': {
   1.603 +      'CCFLAGS':      ['-g', '-O0'],
   1.604 +      'CPPDEFINES':   ['DEBUG']
   1.605 +    },
   1.606 +    'compress_startup_data:bz2': {
   1.607 +      'CPPDEFINES':   ['COMPRESS_STARTUP_DATA_BZ2'],
   1.608 +      'os:linux': {
   1.609 +        'LIBS':       ['bz2']
   1.610 +      }
   1.611 +    },
   1.612 +  },
   1.613 +  'msvc': {
   1.614 +    'all': {
   1.615 +      'LIBS': ['winmm', 'ws2_32']
   1.616 +    },
   1.617 +    'verbose:off': {
   1.618 +      'CCFLAGS': ['/nologo'],
   1.619 +      'LINKFLAGS': ['/NOLOGO']
   1.620 +    },
   1.621 +    'verbose:on': {
   1.622 +      'LINKFLAGS': ['/VERBOSE']
   1.623 +    },
   1.624 +    'prof:on': {
   1.625 +      'LINKFLAGS': ['/MAP']
   1.626 +    },
   1.627 +    'mode:release': {
   1.628 +      'CCFLAGS':   ['/O2'],
   1.629 +      'LINKFLAGS': ['/OPT:REF', '/OPT:ICF'],
   1.630 +      'msvcrt:static': {
   1.631 +        'CCFLAGS': ['/MT']
   1.632 +      },
   1.633 +      'msvcrt:shared': {
   1.634 +        'CCFLAGS': ['/MD']
   1.635 +      },
   1.636 +      'msvcltcg:on': {
   1.637 +        'CCFLAGS':      ['/GL'],
   1.638 +        'pgo:off': {
   1.639 +          'LINKFLAGS':    ['/LTCG'],
   1.640 +        },
   1.641 +      },
   1.642 +      'pgo:instrument': {
   1.643 +        'LINKFLAGS':    ['/LTCG:PGI']
   1.644 +      },
   1.645 +      'pgo:optimize': {
   1.646 +        'LINKFLAGS':    ['/LTCG:PGO']
   1.647 +      }
   1.648 +    },
   1.649 +    'arch:ia32': {
   1.650 +      'CPPDEFINES': ['V8_TARGET_ARCH_IA32', 'WIN32'],
   1.651 +      'LINKFLAGS': ['/MACHINE:X86']
   1.652 +    },
   1.653 +    'arch:x64': {
   1.654 +      'CPPDEFINES': ['V8_TARGET_ARCH_X64', 'WIN32'],
   1.655 +      'LINKFLAGS': ['/MACHINE:X64', '/STACK:2097152']
   1.656 +    },
   1.657 +    'mode:debug': {
   1.658 +      'CCFLAGS':    ['/Od'],
   1.659 +      'LINKFLAGS':  ['/DEBUG'],
   1.660 +      'CPPDEFINES': ['DEBUG'],
   1.661 +      'msvcrt:static': {
   1.662 +        'CCFLAGS':  ['/MTd']
   1.663 +      },
   1.664 +      'msvcrt:shared': {
   1.665 +        'CCFLAGS':  ['/MDd']
   1.666 +      }
   1.667 +    }
   1.668 +  }
   1.669 +}
   1.670 +
   1.671 +
   1.672 +PREPARSER_FLAGS = {
   1.673 +  'all': {
   1.674 +    'CPPPATH': [join(root_dir, 'include'), src_dir],
   1.675 +    'library:shared': {
   1.676 +      'CPPDEFINES': ['USING_V8_SHARED']
   1.677 +    },
   1.678 +  },
   1.679 +  'gcc': {
   1.680 +    'all': {
   1.681 +      'LIBPATH':      ['.'],
   1.682 +      'CCFLAGS':      ['$DIALECTFLAGS', '$WARNINGFLAGS'],
   1.683 +      'CXXFLAGS':     ['-fno-rtti', '-fno-exceptions'],
   1.684 +      'LINKFLAGS':    ['$CCFLAGS'],
   1.685 +    },
   1.686 +    'os:win32': {
   1.687 +      'LIBS':         ['winmm', 'ws2_32']
   1.688 +    },
   1.689 +    'arch:arm': {
   1.690 +      'LINKFLAGS':   ARM_LINK_FLAGS,
   1.691 +      'armeabi:soft' : {
   1.692 +        'CPPDEFINES' : ['USE_EABI_HARDFLOAT=0'],
   1.693 +        'simulator:none': {
   1.694 +          'CCFLAGS':     ['-mfloat-abi=soft'],
   1.695 +        }
   1.696 +      },
   1.697 +      'armeabi:softfp' : {
   1.698 +        'simulator:none': {
   1.699 +          'CCFLAGS':     ['-mfloat-abi=softfp'],
   1.700 +        }
   1.701 +      },
   1.702 +      'armeabi:hard' : {
   1.703 +        'simulator:none': {
   1.704 +          'CCFLAGS':     ['-mfloat-abi=hard'],
   1.705 +        }
   1.706 +      }
   1.707 +    },
   1.708 +    'arch:ia32': {
   1.709 +      'CCFLAGS':      ['-m32'],
   1.710 +      'LINKFLAGS':    ['-m32']
   1.711 +    },
   1.712 +    'arch:x64': {
   1.713 +      'CCFLAGS':      ['-m64'],
   1.714 +      'LINKFLAGS':    ['-m64']
   1.715 +    },
   1.716 +    'arch:mips': {
   1.717 +      'CPPDEFINES':   ['V8_TARGET_ARCH_MIPS'],
   1.718 +      'mips_arch_variant:mips32r2': {
   1.719 +        'CPPDEFINES':    ['_MIPS_ARCH_MIPS32R2']
   1.720 +      },
   1.721 +      'mips_arch_variant:loongson': {
   1.722 +        'CPPDEFINES':    ['_MIPS_ARCH_LOONGSON']
   1.723 +      },
   1.724 +      'simulator:none': {
   1.725 +        'CCFLAGS':      ['-EL'],
   1.726 +        'LINKFLAGS':    ['-EL'],
   1.727 +        'mips_arch_variant:mips32r2': {
   1.728 +          'CCFLAGS':      ['-mips32r2', '-Wa,-mips32r2']
   1.729 +        },
   1.730 +        'mips_arch_variant:mips32r1': {
   1.731 +          'CCFLAGS':      ['-mips32', '-Wa,-mips32']
   1.732 +        },
   1.733 +        'mips_arch_variant:loongson': {
   1.734 +          'CCFLAGS':      ['-march=mips3', '-Wa,-march=mips3']
   1.735 +        },
   1.736 +        'library:static': {
   1.737 +          'LINKFLAGS':    ['-static', '-static-libgcc']
   1.738 +        },
   1.739 +        'mipsabi:softfloat': {
   1.740 +          'CCFLAGS':      ['-msoft-float'],
   1.741 +          'LINKFLAGS':    ['-msoft-float']
   1.742 +        },
   1.743 +        'mipsabi:hardfloat': {
   1.744 +          'CCFLAGS':      ['-mhard-float'],
   1.745 +          'LINKFLAGS':    ['-mhard-float']
   1.746 +        }
   1.747 +      }
   1.748 +    },
   1.749 +    'simulator:arm': {
   1.750 +      'CCFLAGS':      ['-m32'],
   1.751 +      'LINKFLAGS':    ['-m32']
   1.752 +    },
   1.753 +    'simulator:mips': {
   1.754 +      'CCFLAGS':      ['-m32'],
   1.755 +      'LINKFLAGS':    ['-m32'],
   1.756 +      'mipsabi:softfloat': {
   1.757 +        'CPPDEFINES':    ['__mips_soft_float=1'],
   1.758 +      },
   1.759 +      'mipsabi:hardfloat': {
   1.760 +        'CPPDEFINES':    ['__mips_hard_float=1'],
   1.761 +      }
   1.762 +    },
   1.763 +    'mode:release': {
   1.764 +      'CCFLAGS':      ['-O2']
   1.765 +    },
   1.766 +    'mode:debug': {
   1.767 +      'CCFLAGS':      ['-g', '-O0'],
   1.768 +      'CPPDEFINES':   ['DEBUG']
   1.769 +    },
   1.770 +    'os:freebsd': {
   1.771 +      'LIBPATH' : ['/usr/local/lib'],
   1.772 +    },
   1.773 +  },
   1.774 +  'msvc': {
   1.775 +    'all': {
   1.776 +      'LIBS': ['winmm', 'ws2_32']
   1.777 +    },
   1.778 +    'verbose:off': {
   1.779 +      'CCFLAGS': ['/nologo'],
   1.780 +      'LINKFLAGS': ['/NOLOGO']
   1.781 +    },
   1.782 +    'verbose:on': {
   1.783 +      'LINKFLAGS': ['/VERBOSE']
   1.784 +    },
   1.785 +    'prof:on': {
   1.786 +      'LINKFLAGS': ['/MAP']
   1.787 +    },
   1.788 +    'mode:release': {
   1.789 +      'CCFLAGS':   ['/O2'],
   1.790 +      'LINKFLAGS': ['/OPT:REF', '/OPT:ICF'],
   1.791 +      'msvcrt:static': {
   1.792 +        'CCFLAGS': ['/MT']
   1.793 +      },
   1.794 +      'msvcrt:shared': {
   1.795 +        'CCFLAGS': ['/MD']
   1.796 +      },
   1.797 +      'msvcltcg:on': {
   1.798 +        'CCFLAGS':      ['/GL'],
   1.799 +        'pgo:off': {
   1.800 +          'LINKFLAGS':    ['/LTCG'],
   1.801 +        },
   1.802 +      },
   1.803 +      'pgo:instrument': {
   1.804 +        'LINKFLAGS':    ['/LTCG:PGI']
   1.805 +      },
   1.806 +      'pgo:optimize': {
   1.807 +        'LINKFLAGS':    ['/LTCG:PGO']
   1.808 +      }
   1.809 +    },
   1.810 +    'arch:ia32': {
   1.811 +      'CPPDEFINES': ['V8_TARGET_ARCH_IA32', 'WIN32'],
   1.812 +      'LINKFLAGS': ['/MACHINE:X86']
   1.813 +    },
   1.814 +    'arch:x64': {
   1.815 +      'CPPDEFINES': ['V8_TARGET_ARCH_X64', 'WIN32'],
   1.816 +      'LINKFLAGS': ['/MACHINE:X64', '/STACK:2097152']
   1.817 +    },
   1.818 +    'mode:debug': {
   1.819 +      'CCFLAGS':    ['/Od'],
   1.820 +      'LINKFLAGS':  ['/DEBUG'],
   1.821 +      'CPPDEFINES': ['DEBUG'],
   1.822 +      'msvcrt:static': {
   1.823 +        'CCFLAGS':  ['/MTd']
   1.824 +      },
   1.825 +      'msvcrt:shared': {
   1.826 +        'CCFLAGS':  ['/MDd']
   1.827 +      }
   1.828 +    }
   1.829 +  }
   1.830 +}
   1.831 +
   1.832 +
   1.833 +D8_FLAGS = {
   1.834 +  'all': {
   1.835 +    'library:shared': {
   1.836 +      'CPPDEFINES': ['V8_SHARED'],
   1.837 +      'LIBS': ['v8'],
   1.838 +      'LIBPATH': ['.']
   1.839 +    },
   1.840 +  },
   1.841 +  'gcc': {
   1.842 +    'all': {
   1.843 +      'CCFLAGS': ['$DIALECTFLAGS', '$WARNINGFLAGS'],
   1.844 +      'CXXFLAGS': ['-fno-rtti', '-fno-exceptions'],
   1.845 +      'LINKFLAGS': ['$CCFLAGS'],
   1.846 +    },
   1.847 +    'console:readline': {
   1.848 +      'LIBS': ['readline']
   1.849 +    },
   1.850 +    'os:linux': {
   1.851 +      'LIBS': ['pthread'],
   1.852 +    },
   1.853 +    'os:macos': {
   1.854 +      'LIBS': ['pthread'],
   1.855 +    },
   1.856 +    'os:freebsd': {
   1.857 +      'LIBS': ['pthread'],
   1.858 +    },
   1.859 +    'os:solaris': {
   1.860 +      'LIBS': ['m', 'pthread', 'socket', 'nsl', 'rt'],
   1.861 +      'LINKFLAGS': ['-mt']
   1.862 +    },
   1.863 +    'os:openbsd': {
   1.864 +      'LIBS': ['pthread'],
   1.865 +    },
   1.866 +    'os:win32': {
   1.867 +      'LIBS': ['winmm', 'ws2_32'],
   1.868 +    },
   1.869 +    'os:netbsd': {
   1.870 +      'LIBS': ['pthread'],
   1.871 +    },
   1.872 +    'arch:arm': {
   1.873 +      'LINKFLAGS':   ARM_LINK_FLAGS
   1.874 +    },
   1.875 +    'compress_startup_data:bz2': {
   1.876 +      'CPPDEFINES':   ['COMPRESS_STARTUP_DATA_BZ2'],
   1.877 +      'os:linux': {
   1.878 +        'LIBS': ['bz2']
   1.879 +      }
   1.880 +    }
   1.881 +  },
   1.882 +  'msvc': {
   1.883 +    'all': {
   1.884 +      'LIBS': ['winmm', 'ws2_32']
   1.885 +    },
   1.886 +    'verbose:off': {
   1.887 +      'CCFLAGS': ['/nologo'],
   1.888 +      'LINKFLAGS': ['/NOLOGO']
   1.889 +    },
   1.890 +    'verbose:on': {
   1.891 +      'LINKFLAGS': ['/VERBOSE']
   1.892 +    },
   1.893 +    'prof:on': {
   1.894 +      'LINKFLAGS': ['/MAP']
   1.895 +    },
   1.896 +    'mode:release': {
   1.897 +      'CCFLAGS':   ['/O2'],
   1.898 +      'LINKFLAGS': ['/OPT:REF', '/OPT:ICF'],
   1.899 +      'msvcrt:static': {
   1.900 +        'CCFLAGS': ['/MT']
   1.901 +      },
   1.902 +      'msvcrt:shared': {
   1.903 +        'CCFLAGS': ['/MD']
   1.904 +      },
   1.905 +      'msvcltcg:on': {
   1.906 +        'CCFLAGS':      ['/GL'],
   1.907 +        'pgo:off': {
   1.908 +          'LINKFLAGS':    ['/LTCG'],
   1.909 +        },
   1.910 +      },
   1.911 +      'pgo:instrument': {
   1.912 +        'LINKFLAGS':    ['/LTCG:PGI']
   1.913 +      },
   1.914 +      'pgo:optimize': {
   1.915 +        'LINKFLAGS':    ['/LTCG:PGO']
   1.916 +      }
   1.917 +    },
   1.918 +    'arch:ia32': {
   1.919 +      'CPPDEFINES': ['V8_TARGET_ARCH_IA32', 'WIN32'],
   1.920 +      'LINKFLAGS': ['/MACHINE:X86']
   1.921 +    },
   1.922 +    'arch:x64': {
   1.923 +      'CPPDEFINES': ['V8_TARGET_ARCH_X64', 'WIN32'],
   1.924 +      'LINKFLAGS': ['/MACHINE:X64', '/STACK:2097152']
   1.925 +    },
   1.926 +    'mode:debug': {
   1.927 +      'CCFLAGS':    ['/Od'],
   1.928 +      'LINKFLAGS':  ['/DEBUG'],
   1.929 +      'CPPDEFINES': ['DEBUG'],
   1.930 +      'msvcrt:static': {
   1.931 +        'CCFLAGS':  ['/MTd']
   1.932 +      },
   1.933 +      'msvcrt:shared': {
   1.934 +        'CCFLAGS':  ['/MDd']
   1.935 +      }
   1.936 +    }
   1.937 +  }
   1.938 +}
   1.939 +
   1.940 +
   1.941 +SUFFIXES = {
   1.942 +  'release': '',
   1.943 +  'debug': '_g'
   1.944 +}
   1.945 +
   1.946 +
   1.947 +def Abort(message):
   1.948 +  print message
   1.949 +  sys.exit(1)
   1.950 +
   1.951 +
   1.952 +def GuessOS(env):
   1.953 +  return utils.GuessOS()
   1.954 +
   1.955 +
   1.956 +def GuessArch(env):
   1.957 +  return utils.GuessArchitecture()
   1.958 +
   1.959 +
   1.960 +def GuessToolchain(env):
   1.961 +  tools = env['TOOLS']
   1.962 +  if 'gcc' in tools:
   1.963 +    return 'gcc'
   1.964 +  elif 'msvc' in tools:
   1.965 +    return 'msvc'
   1.966 +  else:
   1.967 +    return None
   1.968 +
   1.969 +
   1.970 +def GuessVisibility(env):
   1.971 +  os = env['os']
   1.972 +  toolchain = env['toolchain'];
   1.973 +  if (os == 'win32' or os == 'cygwin') and toolchain == 'gcc':
   1.974 +    # MinGW / Cygwin can't do it.
   1.975 +    return 'default'
   1.976 +  elif os == 'solaris':
   1.977 +    return 'default'
   1.978 +  else:
   1.979 +    return 'hidden'
   1.980 +
   1.981 +
   1.982 +def GuessStrictAliasing(env):
   1.983 +  # There seems to be a problem with gcc 4.5.x.
   1.984 +  # See http://code.google.com/p/v8/issues/detail?id=884
   1.985 +  # It can be worked around by disabling strict aliasing.
   1.986 +  toolchain = env['toolchain'];
   1.987 +  if toolchain == 'gcc':
   1.988 +    env = Environment(tools=['gcc'])
   1.989 +    # The gcc version should be available in env['CCVERSION'],
   1.990 +    # but when scons detects msvc this value is not set.
   1.991 +    version = subprocess.Popen([env['CC'], '-dumpversion'],
   1.992 +        stdout=subprocess.PIPE).communicate()[0]
   1.993 +    if version.find('4.5') == 0:
   1.994 +      return 'off'
   1.995 +  return 'default'
   1.996 +
   1.997 +
   1.998 +PLATFORM_OPTIONS = {
   1.999 +  'arch': {
  1.1000 +    'values': ['arm', 'ia32', 'x64', 'mips'],
  1.1001 +    'guess': GuessArch,
  1.1002 +    'help': 'the architecture to build for'
  1.1003 +  },
  1.1004 +  'os': {
  1.1005 +    'values': ['freebsd', 'linux', 'macos', 'win32', 'openbsd', 'solaris', 'cygwin', 'netbsd'],
  1.1006 +    'guess': GuessOS,
  1.1007 +    'help': 'the os to build for'
  1.1008 +  },
  1.1009 +  'toolchain': {
  1.1010 +    'values': ['gcc', 'msvc'],
  1.1011 +    'guess': GuessToolchain,
  1.1012 +    'help': 'the toolchain to use'
  1.1013 +  }
  1.1014 +}
  1.1015 +
  1.1016 +SIMPLE_OPTIONS = {
  1.1017 +  'regexp': {
  1.1018 +    'values': ['native', 'interpreted'],
  1.1019 +    'default': 'native',
  1.1020 +    'help': 'Whether to use native or interpreted regexp implementation'
  1.1021 +  },
  1.1022 +  'snapshot': {
  1.1023 +    'values': ['on', 'off', 'nobuild'],
  1.1024 +    'default': 'off',
  1.1025 +    'help': 'build using snapshots for faster start-up'
  1.1026 +  },
  1.1027 +  'prof': {
  1.1028 +    'values': ['on', 'off'],
  1.1029 +    'default': 'off',
  1.1030 +    'help': 'enable profiling of build target'
  1.1031 +  },
  1.1032 +  'gdbjit': {
  1.1033 +    'values': ['on', 'off'],
  1.1034 +    'default': 'off',
  1.1035 +    'help': 'enable GDB JIT interface'
  1.1036 +  },
  1.1037 +  'library': {
  1.1038 +    'values': ['static', 'shared'],
  1.1039 +    'default': 'static',
  1.1040 +    'help': 'the type of library to produce'
  1.1041 +  },
  1.1042 +  'objectprint': {
  1.1043 +    'values': ['on', 'off'],
  1.1044 +    'default': 'off',
  1.1045 +    'help': 'enable object printing'
  1.1046 +  },
  1.1047 +  'profilingsupport': {
  1.1048 +    'values': ['on', 'off'],
  1.1049 +    'default': 'on',
  1.1050 +    'help': 'enable profiling of JavaScript code'
  1.1051 +  },
  1.1052 +  'debuggersupport': {
  1.1053 +    'values': ['on', 'off'],
  1.1054 +    'default': 'on',
  1.1055 +    'help': 'enable debugging of JavaScript code'
  1.1056 +  },
  1.1057 +  'inspector': {
  1.1058 +    'values': ['on', 'off'],
  1.1059 +    'default': 'off',
  1.1060 +    'help': 'enable inspector features'
  1.1061 +  },
  1.1062 +  'liveobjectlist': {
  1.1063 +    'values': ['on', 'off'],
  1.1064 +    'default': 'off',
  1.1065 +    'help': 'enable live object list features in the debugger'
  1.1066 +  },
  1.1067 +  'soname': {
  1.1068 +    'values': ['on', 'off'],
  1.1069 +    'default': 'off',
  1.1070 +    'help': 'turn on setting soname for Linux shared library'
  1.1071 +  },
  1.1072 +  'msvcrt': {
  1.1073 +    'values': ['static', 'shared'],
  1.1074 +    'default': 'static',
  1.1075 +    'help': 'the type of Microsoft Visual C++ runtime library to use'
  1.1076 +  },
  1.1077 +  'msvcltcg': {
  1.1078 +    'values': ['on', 'off'],
  1.1079 +    'default': 'on',
  1.1080 +    'help': 'use Microsoft Visual C++ link-time code generation'
  1.1081 +  },
  1.1082 +  'simulator': {
  1.1083 +    'values': ['arm', 'mips', 'none'],
  1.1084 +    'default': 'none',
  1.1085 +    'help': 'build with simulator'
  1.1086 +  },
  1.1087 +  'unalignedaccesses': {
  1.1088 +    'values': ['default', 'on', 'off'],
  1.1089 +    'default': 'default',
  1.1090 +    'help': 'set whether the ARM target supports unaligned accesses'
  1.1091 +  },
  1.1092 +  'disassembler': {
  1.1093 +    'values': ['on', 'off'],
  1.1094 +    'default': 'off',
  1.1095 +    'help': 'enable the disassembler to inspect generated code'
  1.1096 +  },
  1.1097 +  'fasttls': {
  1.1098 +    'values': ['on', 'off'],
  1.1099 +    'default': 'on',
  1.1100 +    'help': 'enable fast thread local storage support '
  1.1101 +            '(if available on the current architecture/platform)'
  1.1102 +  },
  1.1103 +  'sourcesignatures': {
  1.1104 +    'values': ['MD5', 'timestamp'],
  1.1105 +    'default': 'MD5',
  1.1106 +    'help': 'set how the build system detects file changes'
  1.1107 +  },
  1.1108 +  'console': {
  1.1109 +    'values': ['dumb', 'readline'],
  1.1110 +    'default': 'dumb',
  1.1111 +    'help': 'the console to use for the d8 shell'
  1.1112 +  },
  1.1113 +  'verbose': {
  1.1114 +    'values': ['on', 'off'],
  1.1115 +    'default': 'off',
  1.1116 +    'help': 'more output from compiler and linker'
  1.1117 +  },
  1.1118 +  'visibility': {
  1.1119 +    'values': ['default', 'hidden'],
  1.1120 +    'guess': GuessVisibility,
  1.1121 +    'help': 'shared library symbol visibility'
  1.1122 +  },
  1.1123 +  'strictaliasing': {
  1.1124 +    'values': ['default', 'off'],
  1.1125 +    'guess': GuessStrictAliasing,
  1.1126 +    'help': 'assume strict aliasing while optimizing'
  1.1127 +  },
  1.1128 +  'pgo': {
  1.1129 +    'values': ['off', 'instrument', 'optimize'],
  1.1130 +    'default': 'off',
  1.1131 +    'help': 'select profile guided optimization variant',
  1.1132 +  },
  1.1133 +  'armeabi': {
  1.1134 +    'values': ['hard', 'softfp', 'soft'],
  1.1135 +    'default': 'softfp',
  1.1136 +    'help': 'generate calling conventiont according to selected ARM EABI variant'
  1.1137 +  },
  1.1138 +  'mipsabi': {
  1.1139 +    'values': ['hardfloat', 'softfloat', 'none'],
  1.1140 +    'default': 'hardfloat',
  1.1141 +    'help': 'generate calling conventiont according to selected mips ABI'
  1.1142 +  },
  1.1143 +  'mips_arch_variant': {
  1.1144 +    'values': ['mips32r2', 'mips32r1', 'loongson'],
  1.1145 +    'default': 'mips32r2',
  1.1146 +    'help': 'mips variant'
  1.1147 +  },
  1.1148 +  'compress_startup_data': {
  1.1149 +    'values': ['off', 'bz2'],
  1.1150 +    'default': 'off',
  1.1151 +    'help': 'compress startup data (snapshot) [Linux only]'
  1.1152 +  },
  1.1153 +  'vfp3': {
  1.1154 +    'values': ['on', 'off'],
  1.1155 +    'default': 'on',
  1.1156 +    'help': 'use vfp3 instructions when building the snapshot [Arm only]'
  1.1157 +  },
  1.1158 +  'fpu': {
  1.1159 +    'values': ['on', 'off'],
  1.1160 +    'default': 'on',
  1.1161 +    'help': 'use fpu instructions when building the snapshot [MIPS only]'
  1.1162 +  },
  1.1163 +  'I_know_I_should_build_with_GYP': {
  1.1164 +    'values': ['yes', 'no'],
  1.1165 +    'default': 'no',
  1.1166 +    'help': 'grace period: temporarily override SCons deprecation'
  1.1167 +  }
  1.1168 +
  1.1169 +}
  1.1170 +
  1.1171 +ALL_OPTIONS = dict(PLATFORM_OPTIONS, **SIMPLE_OPTIONS)
  1.1172 +
  1.1173 +
  1.1174 +def AddOptions(options, result):
  1.1175 +  guess_env = Environment(options=result)
  1.1176 +  for (name, option) in options.iteritems():
  1.1177 +    if 'guess' in option:
  1.1178 +      # Option has a guess function
  1.1179 +      guess = option.get('guess')
  1.1180 +      default = guess(guess_env)
  1.1181 +    else:
  1.1182 +      # Option has a fixed default
  1.1183 +      default = option.get('default')
  1.1184 +    help = '%s (%s)' % (option.get('help'), ", ".join(option['values']))
  1.1185 +    result.Add(name, help, default)
  1.1186 +
  1.1187 +
  1.1188 +def GetOptions():
  1.1189 +  result = Options()
  1.1190 +  result.Add('mode', 'compilation mode (debug, release)', 'release')
  1.1191 +  result.Add('sample', 'build sample (shell, process, lineprocessor)', '')
  1.1192 +  result.Add('cache', 'directory to use for scons build cache', '')
  1.1193 +  result.Add('env', 'override environment settings (NAME0:value0,NAME1:value1,...)', '')
  1.1194 +  result.Add('importenv', 'import environment settings (NAME0,NAME1,...)', '')
  1.1195 +  AddOptions(PLATFORM_OPTIONS, result)
  1.1196 +  AddOptions(SIMPLE_OPTIONS, result)
  1.1197 +  return result
  1.1198 +
  1.1199 +
  1.1200 +def GetTools(opts):
  1.1201 +  env = Environment(options=opts)
  1.1202 +  os = env['os']
  1.1203 +  toolchain = env['toolchain']
  1.1204 +  if os == 'win32' and toolchain == 'gcc':
  1.1205 +    return ['mingw']
  1.1206 +  elif os == 'win32' and toolchain == 'msvc':
  1.1207 +    return ['msvc', 'mslink', 'mslib', 'msvs']
  1.1208 +  else:
  1.1209 +    return ['default']
  1.1210 +
  1.1211 +
  1.1212 +def GetVersionComponents():
  1.1213 +  MAJOR_VERSION_PATTERN = re.compile(r"#define\s+MAJOR_VERSION\s+(.*)")
  1.1214 +  MINOR_VERSION_PATTERN = re.compile(r"#define\s+MINOR_VERSION\s+(.*)")
  1.1215 +  BUILD_NUMBER_PATTERN = re.compile(r"#define\s+BUILD_NUMBER\s+(.*)")
  1.1216 +  PATCH_LEVEL_PATTERN = re.compile(r"#define\s+PATCH_LEVEL\s+(.*)")
  1.1217 +
  1.1218 +  patterns = [MAJOR_VERSION_PATTERN,
  1.1219 +              MINOR_VERSION_PATTERN,
  1.1220 +              BUILD_NUMBER_PATTERN,
  1.1221 +              PATCH_LEVEL_PATTERN]
  1.1222 +
  1.1223 +  source = open(join(root_dir, 'src', 'version.cc')).read()
  1.1224 +  version_components = []
  1.1225 +  for pattern in patterns:
  1.1226 +    match = pattern.search(source)
  1.1227 +    if match:
  1.1228 +      version_components.append(match.group(1).strip())
  1.1229 +    else:
  1.1230 +      version_components.append('0')
  1.1231 +
  1.1232 +  return version_components
  1.1233 +
  1.1234 +
  1.1235 +def GetVersion():
  1.1236 +  version_components = GetVersionComponents()
  1.1237 +
  1.1238 +  if version_components[len(version_components) - 1] == '0':
  1.1239 +    version_components.pop()
  1.1240 +  return '.'.join(version_components)
  1.1241 +
  1.1242 +
  1.1243 +def GetSpecificSONAME():
  1.1244 +  SONAME_PATTERN = re.compile(r"#define\s+SONAME\s+\"(.*)\"")
  1.1245 +
  1.1246 +  source = open(join(root_dir, 'src', 'version.cc')).read()
  1.1247 +  match = SONAME_PATTERN.search(source)
  1.1248 +
  1.1249 +  if match:
  1.1250 +    return match.group(1).strip()
  1.1251 +  else:
  1.1252 +    return ''
  1.1253 +
  1.1254 +
  1.1255 +def SplitList(str):
  1.1256 +  return [ s for s in str.split(",") if len(s) > 0 ]
  1.1257 +
  1.1258 +
  1.1259 +def IsLegal(env, option, values):
  1.1260 +  str = env[option]
  1.1261 +  for s in SplitList(str):
  1.1262 +    if not s in values:
  1.1263 +      Abort("Illegal value for option %s '%s'." % (option, s))
  1.1264 +      return False
  1.1265 +  return True
  1.1266 +
  1.1267 +
  1.1268 +def WarnAboutDeprecation():
  1.1269 +  print """
  1.1270 +    #####################################################################
  1.1271 +    #                                                                   #
  1.1272 +    #  LAST WARNING: Building V8 with SCons is deprecated.              #
  1.1273 +    #                                                                   #
  1.1274 +    #  This only works because you have overridden the kill switch.     #
  1.1275 +    #                                                                   #
  1.1276 +    #              MIGRATE TO THE GYP-BASED BUILD NOW!                  #
  1.1277 +    #                                                                   #
  1.1278 +    #  Instructions: http://code.google.com/p/v8/wiki/BuildingWithGYP.  #
  1.1279 +    #                                                                   #
  1.1280 +    #####################################################################
  1.1281 +  """
  1.1282 +
  1.1283 +
  1.1284 +def VerifyOptions(env):
  1.1285 +  if env['I_know_I_should_build_with_GYP'] != 'yes':
  1.1286 +    Abort("Building V8 with SCons is no longer supported. Please use GYP "
  1.1287 +          "instead; you can find instructions are at "
  1.1288 +          "http://code.google.com/p/v8/wiki/BuildingWithGYP.\n\n"
  1.1289 +          "Quitting.\n\n"
  1.1290 +          "For a limited grace period, you can specify "
  1.1291 +          "\"I_know_I_should_build_with_GYP=yes\" to override.")
  1.1292 +  else:
  1.1293 +    WarnAboutDeprecation()
  1.1294 +    import atexit
  1.1295 +    atexit.register(WarnAboutDeprecation)
  1.1296 +
  1.1297 +  if not IsLegal(env, 'mode', ['debug', 'release']):
  1.1298 +    return False
  1.1299 +  if not IsLegal(env, 'sample', ["shell", "process", "lineprocessor"]):
  1.1300 +    return False
  1.1301 +  if not IsLegal(env, 'regexp', ["native", "interpreted"]):
  1.1302 +    return False
  1.1303 +  if env['os'] == 'win32' and env['library'] == 'shared' and env['prof'] == 'on':
  1.1304 +    Abort("Profiling on windows only supported for static library.")
  1.1305 +  if env['gdbjit'] == 'on' and ((env['os'] != 'linux' and env['os'] != 'macos') or (env['arch'] != 'ia32' and env['arch'] != 'x64' and env['arch'] != 'arm')):
  1.1306 +    Abort("GDBJIT interface is supported only for Intel-compatible (ia32 or x64) Linux/OSX target.")
  1.1307 +  if env['os'] == 'win32' and env['soname'] == 'on':
  1.1308 +    Abort("Shared Object soname not applicable for Windows.")
  1.1309 +  if env['soname'] == 'on' and env['library'] == 'static':
  1.1310 +    Abort("Shared Object soname not applicable for static library.")
  1.1311 +  if env['os'] != 'win32' and env['pgo'] != 'off':
  1.1312 +    Abort("Profile guided optimization only supported on Windows.")
  1.1313 +  if env['cache'] and not os.path.isdir(env['cache']):
  1.1314 +    Abort("The specified cache directory does not exist.")
  1.1315 +  if not (env['arch'] == 'arm' or env['simulator'] == 'arm') and ('unalignedaccesses' in ARGUMENTS):
  1.1316 +    print env['arch']
  1.1317 +    print env['simulator']
  1.1318 +    Abort("Option unalignedaccesses only supported for the ARM architecture.")
  1.1319 +  if env['os'] != 'linux' and env['compress_startup_data'] != 'off':
  1.1320 +    Abort("Startup data compression is only available on Linux")
  1.1321 +  for (name, option) in ALL_OPTIONS.iteritems():
  1.1322 +    if (not name in env):
  1.1323 +      message = ("A value for option %s must be specified (%s)." %
  1.1324 +          (name, ", ".join(option['values'])))
  1.1325 +      Abort(message)
  1.1326 +    if not env[name] in option['values']:
  1.1327 +      message = ("Unknown %s value '%s'.  Possible values are (%s)." %
  1.1328 +          (name, env[name], ", ".join(option['values'])))
  1.1329 +      Abort(message)
  1.1330 +
  1.1331 +
  1.1332 +class BuildContext(object):
  1.1333 +
  1.1334 +  def __init__(self, options, env_overrides, samples):
  1.1335 +    self.library_targets = []
  1.1336 +    self.mksnapshot_targets = []
  1.1337 +    self.cctest_targets = []
  1.1338 +    self.sample_targets = []
  1.1339 +    self.d8_targets = []
  1.1340 +    self.options = options
  1.1341 +    self.env_overrides = env_overrides
  1.1342 +    self.samples = samples
  1.1343 +    self.preparser_targets = []
  1.1344 +    self.use_snapshot = (options['snapshot'] != 'off')
  1.1345 +    self.build_snapshot = (options['snapshot'] == 'on')
  1.1346 +    self.flags = None
  1.1347 +
  1.1348 +  def AddRelevantFlags(self, initial, flags):
  1.1349 +    result = initial.copy()
  1.1350 +    toolchain = self.options['toolchain']
  1.1351 +    if toolchain in flags:
  1.1352 +      self.AppendFlags(result, flags[toolchain].get('all'))
  1.1353 +      for option in sorted(self.options.keys()):
  1.1354 +        value = self.options[option]
  1.1355 +        self.AppendFlags(result, flags[toolchain].get(option + ':' + value))
  1.1356 +    self.AppendFlags(result, flags.get('all'))
  1.1357 +    return result
  1.1358 +
  1.1359 +  def AddRelevantSubFlags(self, options, flags):
  1.1360 +    self.AppendFlags(options, flags.get('all'))
  1.1361 +    for option in sorted(self.options.keys()):
  1.1362 +      value = self.options[option]
  1.1363 +      self.AppendFlags(options, flags.get(option + ':' + value))
  1.1364 +
  1.1365 +  def GetRelevantSources(self, source):
  1.1366 +    result = []
  1.1367 +    result += source.get('all', [])
  1.1368 +    for (name, value) in self.options.iteritems():
  1.1369 +      source_value = source.get(name + ':' + value, [])
  1.1370 +      if type(source_value) == dict:
  1.1371 +        result += self.GetRelevantSources(source_value)
  1.1372 +      else:
  1.1373 +        result += source_value
  1.1374 +    return sorted(result)
  1.1375 +
  1.1376 +  def AppendFlags(self, options, added):
  1.1377 +    if not added:
  1.1378 +      return
  1.1379 +    for (key, value) in added.iteritems():
  1.1380 +      if key.find(':') != -1:
  1.1381 +        self.AddRelevantSubFlags(options, { key: value })
  1.1382 +      else:
  1.1383 +        if not key in options:
  1.1384 +          options[key] = value
  1.1385 +        else:
  1.1386 +          prefix = options[key]
  1.1387 +          if isinstance(prefix, StringTypes): prefix = prefix.split()
  1.1388 +          options[key] = prefix + value
  1.1389 +
  1.1390 +  def ConfigureObject(self, env, input, **kw):
  1.1391 +    if (kw.has_key('CPPPATH') and env.has_key('CPPPATH')):
  1.1392 +      kw['CPPPATH'] += env['CPPPATH']
  1.1393 +    if self.options['library'] == 'static':
  1.1394 +      return env.StaticObject(input, **kw)
  1.1395 +    else:
  1.1396 +      return env.SharedObject(input, **kw)
  1.1397 +
  1.1398 +  def ApplyEnvOverrides(self, env):
  1.1399 +    if not self.env_overrides:
  1.1400 +      return
  1.1401 +    if type(env['ENV']) == DictType:
  1.1402 +      env['ENV'].update(**self.env_overrides)
  1.1403 +    else:
  1.1404 +      env['ENV'] = self.env_overrides
  1.1405 +
  1.1406 +
  1.1407 +def PostprocessOptions(options, os):
  1.1408 +  # Adjust architecture if the simulator option has been set
  1.1409 +  if (options['simulator'] != 'none') and (options['arch'] != options['simulator']):
  1.1410 +    if 'arch' in ARGUMENTS:
  1.1411 +      # Print a warning if arch has explicitly been set
  1.1412 +      print "Warning: forcing architecture to match simulator (%s)" % options['simulator']
  1.1413 +    options['arch'] = options['simulator']
  1.1414 +  if (options['prof'] != 'off') and (options['profilingsupport'] == 'off'):
  1.1415 +    # Print a warning if profiling is enabled without profiling support
  1.1416 +    print "Warning: forcing profilingsupport on when prof is on"
  1.1417 +    options['profilingsupport'] = 'on'
  1.1418 +  if os == 'win32' and options['pgo'] != 'off' and options['msvcltcg'] == 'off':
  1.1419 +    if 'msvcltcg' in ARGUMENTS:
  1.1420 +      print "Warning: forcing msvcltcg on as it is required for pgo (%s)" % options['pgo']
  1.1421 +    options['msvcltcg'] = 'on'
  1.1422 +  if (options['mipsabi'] != 'none') and (options['arch'] != 'mips') and (options['simulator'] != 'mips'):
  1.1423 +    options['mipsabi'] = 'none'
  1.1424 +  if options['liveobjectlist'] == 'on':
  1.1425 +    if (options['debuggersupport'] != 'on') or (options['mode'] == 'release'):
  1.1426 +      # Print a warning that liveobjectlist will implicitly enable the debugger
  1.1427 +      print "Warning: forcing debuggersupport on for liveobjectlist"
  1.1428 +    options['debuggersupport'] = 'on'
  1.1429 +    options['inspector'] = 'on'
  1.1430 +    options['objectprint'] = 'on'
  1.1431 +
  1.1432 +
  1.1433 +def ParseEnvOverrides(arg, imports):
  1.1434 +  # The environment overrides are in the format NAME0:value0,NAME1:value1,...
  1.1435 +  # The environment imports are in the format NAME0,NAME1,...
  1.1436 +  overrides = {}
  1.1437 +  for var in imports.split(','):
  1.1438 +    if var in os.environ:
  1.1439 +      overrides[var] = os.environ[var]
  1.1440 +  for override in arg.split(','):
  1.1441 +    pos = override.find(':')
  1.1442 +    if pos == -1:
  1.1443 +      continue
  1.1444 +    overrides[override[:pos].strip()] = override[pos+1:].strip()
  1.1445 +  return overrides
  1.1446 +
  1.1447 +
  1.1448 +def BuildSpecific(env, mode, env_overrides, tools):
  1.1449 +  options = {'mode': mode}
  1.1450 +  for option in ALL_OPTIONS:
  1.1451 +    options[option] = env[option]
  1.1452 +  PostprocessOptions(options, env['os'])
  1.1453 +
  1.1454 +  context = BuildContext(options, env_overrides, samples=SplitList(env['sample']))
  1.1455 +
  1.1456 +  # Remove variables which can't be imported from the user's external
  1.1457 +  # environment into a construction environment.
  1.1458 +  user_environ = os.environ.copy()
  1.1459 +  try:
  1.1460 +    del user_environ['ENV']
  1.1461 +  except KeyError:
  1.1462 +    pass
  1.1463 +
  1.1464 +  library_flags = context.AddRelevantFlags(user_environ, LIBRARY_FLAGS)
  1.1465 +  v8_flags = context.AddRelevantFlags(library_flags, V8_EXTRA_FLAGS)
  1.1466 +  mksnapshot_flags = context.AddRelevantFlags(library_flags, MKSNAPSHOT_EXTRA_FLAGS)
  1.1467 +  dtoa_flags = context.AddRelevantFlags(library_flags, DTOA_EXTRA_FLAGS)
  1.1468 +  cctest_flags = context.AddRelevantFlags(v8_flags, CCTEST_EXTRA_FLAGS)
  1.1469 +  sample_flags = context.AddRelevantFlags(user_environ, SAMPLE_FLAGS)
  1.1470 +  preparser_flags = context.AddRelevantFlags(user_environ, PREPARSER_FLAGS)
  1.1471 +  d8_flags = context.AddRelevantFlags(library_flags, D8_FLAGS)
  1.1472 +
  1.1473 +  context.flags = {
  1.1474 +    'v8': v8_flags,
  1.1475 +    'mksnapshot': mksnapshot_flags,
  1.1476 +    'dtoa': dtoa_flags,
  1.1477 +    'cctest': cctest_flags,
  1.1478 +    'sample': sample_flags,
  1.1479 +    'd8': d8_flags,
  1.1480 +    'preparser': preparser_flags
  1.1481 +  }
  1.1482 +
  1.1483 +  # Generate library base name.
  1.1484 +  target_id = mode
  1.1485 +  suffix = SUFFIXES[target_id]
  1.1486 +  library_name = 'v8' + suffix
  1.1487 +  preparser_library_name = 'v8preparser' + suffix
  1.1488 +  version = GetVersion()
  1.1489 +  if context.options['soname'] == 'on':
  1.1490 +    # When building shared object with SONAME version the library name.
  1.1491 +    library_name += '-' + version
  1.1492 +
  1.1493 +  # Generate library SONAME if required by the build.
  1.1494 +  if context.options['soname'] == 'on':
  1.1495 +    soname = GetSpecificSONAME()
  1.1496 +    if soname == '':
  1.1497 +      soname = 'lib' + library_name + '.so'
  1.1498 +    env['SONAME'] = soname
  1.1499 +
  1.1500 +  # Build the object files by invoking SCons recursively.
  1.1501 +  d8_env = Environment(tools=tools)
  1.1502 +  d8_env.Replace(**context.flags['d8'])
  1.1503 +  (object_files, shell_files, mksnapshot, preparser_files) = env.SConscript(
  1.1504 +    join('src', 'SConscript'),
  1.1505 +    build_dir=join('obj', target_id),
  1.1506 +    exports='context tools d8_env',
  1.1507 +    duplicate=False
  1.1508 +  )
  1.1509 +
  1.1510 +  context.mksnapshot_targets.append(mksnapshot)
  1.1511 +
  1.1512 +  # Link the object files into a library.
  1.1513 +  env.Replace(**context.flags['v8'])
  1.1514 +
  1.1515 +  context.ApplyEnvOverrides(env)
  1.1516 +  if context.options['library'] == 'static':
  1.1517 +    library = env.StaticLibrary(library_name, object_files)
  1.1518 +    preparser_library = env.StaticLibrary(preparser_library_name,
  1.1519 +                                          preparser_files)
  1.1520 +  else:
  1.1521 +    # There seems to be a glitch in the way scons decides where to put
  1.1522 +    # PDB files when compiling using MSVC so we specify it manually.
  1.1523 +    # This should not affect any other platforms.
  1.1524 +    pdb_name = library_name + '.dll.pdb'
  1.1525 +    library = env.SharedLibrary(library_name, object_files, PDB=pdb_name)
  1.1526 +    preparser_pdb_name = preparser_library_name + '.dll.pdb';
  1.1527 +    preparser_soname = 'lib' + preparser_library_name + '.so';
  1.1528 +    preparser_library = env.SharedLibrary(preparser_library_name,
  1.1529 +                                          preparser_files,
  1.1530 +                                          PDB=preparser_pdb_name,
  1.1531 +                                          SONAME=preparser_soname)
  1.1532 +  context.library_targets.append(library)
  1.1533 +  context.library_targets.append(preparser_library)
  1.1534 +
  1.1535 +  context.ApplyEnvOverrides(d8_env)
  1.1536 +  if context.options['library'] == 'static':
  1.1537 +    shell = d8_env.Program('d8' + suffix, object_files + shell_files)
  1.1538 +  else:
  1.1539 +    shell = d8_env.Program('d8' + suffix, shell_files)
  1.1540 +    d8_env.Depends(shell, library)
  1.1541 +  context.d8_targets.append(shell)
  1.1542 +
  1.1543 +  for sample in context.samples:
  1.1544 +    sample_env = Environment(tools=tools)
  1.1545 +    sample_env.Replace(**context.flags['sample'])
  1.1546 +    sample_env.Prepend(LIBS=[library_name])
  1.1547 +    context.ApplyEnvOverrides(sample_env)
  1.1548 +    sample_object = sample_env.SConscript(
  1.1549 +      join('samples', 'SConscript'),
  1.1550 +      build_dir=join('obj', 'sample', sample, target_id),
  1.1551 +      exports='sample context tools',
  1.1552 +      duplicate=False
  1.1553 +    )
  1.1554 +    sample_name = sample + suffix
  1.1555 +    sample_program = sample_env.Program(sample_name, sample_object)
  1.1556 +    sample_env.Depends(sample_program, library)
  1.1557 +    context.sample_targets.append(sample_program)
  1.1558 +
  1.1559 +  cctest_env = env.Copy()
  1.1560 +  cctest_env.Prepend(LIBS=[library_name])
  1.1561 +  cctest_program = cctest_env.SConscript(
  1.1562 +    join('test', 'cctest', 'SConscript'),
  1.1563 +    build_dir=join('obj', 'test', target_id),
  1.1564 +    exports='context object_files tools',
  1.1565 +    duplicate=False
  1.1566 +  )
  1.1567 +  context.cctest_targets.append(cctest_program)
  1.1568 +
  1.1569 +  preparser_env = env.Copy()
  1.1570 +  preparser_env.Replace(**context.flags['preparser'])
  1.1571 +  preparser_env.Prepend(LIBS=[preparser_library_name])
  1.1572 +  context.ApplyEnvOverrides(preparser_env)
  1.1573 +  preparser_object = preparser_env.SConscript(
  1.1574 +    join('preparser', 'SConscript'),
  1.1575 +    build_dir=join('obj', 'preparser', target_id),
  1.1576 +    exports='context tools',
  1.1577 +    duplicate=False
  1.1578 +  )
  1.1579 +  preparser_name = join('obj', 'preparser', target_id, 'preparser')
  1.1580 +  preparser_program = preparser_env.Program(preparser_name, preparser_object);
  1.1581 +  preparser_env.Depends(preparser_program, preparser_library)
  1.1582 +  context.preparser_targets.append(preparser_program)
  1.1583 +
  1.1584 +  return context
  1.1585 +
  1.1586 +
  1.1587 +def Build():
  1.1588 +  opts = GetOptions()
  1.1589 +  tools = GetTools(opts)
  1.1590 +  env = Environment(options=opts, tools=tools)
  1.1591 +
  1.1592 +  Help(opts.GenerateHelpText(env))
  1.1593 +  VerifyOptions(env)
  1.1594 +  env_overrides = ParseEnvOverrides(env['env'], env['importenv'])
  1.1595 +
  1.1596 +  SourceSignatures(env['sourcesignatures'])
  1.1597 +
  1.1598 +  libraries = []
  1.1599 +  mksnapshots = []
  1.1600 +  cctests = []
  1.1601 +  samples = []
  1.1602 +  preparsers = []
  1.1603 +  d8s = []
  1.1604 +  modes = SplitList(env['mode'])
  1.1605 +  for mode in modes:
  1.1606 +    context = BuildSpecific(env.Copy(), mode, env_overrides, tools)
  1.1607 +    libraries += context.library_targets
  1.1608 +    mksnapshots += context.mksnapshot_targets
  1.1609 +    cctests += context.cctest_targets
  1.1610 +    samples += context.sample_targets
  1.1611 +    preparsers += context.preparser_targets
  1.1612 +    d8s += context.d8_targets
  1.1613 +
  1.1614 +  env.Alias('library', libraries)
  1.1615 +  env.Alias('mksnapshot', mksnapshots)
  1.1616 +  env.Alias('cctests', cctests)
  1.1617 +  env.Alias('sample', samples)
  1.1618 +  env.Alias('d8', d8s)
  1.1619 +  env.Alias('preparser', preparsers)
  1.1620 +
  1.1621 +  if env['sample']:
  1.1622 +    env.Default('sample')
  1.1623 +  else:
  1.1624 +    env.Default('library')
  1.1625 +
  1.1626 +  if env['cache']:
  1.1627 +    CacheDir(env['cache'])
  1.1628 +
  1.1629 +# We disable deprecation warnings because we need to be able to use
  1.1630 +# env.Copy without getting warnings for compatibility with older
  1.1631 +# version of scons.  Also, there's a bug in some revisions that
  1.1632 +# doesn't allow this flag to be set, so we swallow any exceptions.
  1.1633 +# Lovely.
  1.1634 +try:
  1.1635 +  SetOption('warn', 'no-deprecated')
  1.1636 +except:
  1.1637 +  pass
  1.1638 +
  1.1639 +Build()