Introduce processor detection in globals.h, instead of from the build system.

SConstruct

 # Copyright 2008 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 131 matching lines @@
       'arch:ia32': {
         'CCFLAGS':      ['-m32'],
         'LINKFLAGS':    ['-m32']
       },
       'arch:arm': {
         'CCFLAGS':      ['-m32'],
         'LINKFLAGS':    ['-m32']
       }
     },
     'arch:ia32': {
-      'CPPDEFINES':   ['V8_ARCH_IA32', 'ILP32']
+      'CPPDEFINES':   ['V8_TARGET_ARCH_IA32']
     },
     'arch:arm': {
-      'CPPDEFINES':   ['V8_ARCH_ARM', 'ILP32']
+      'CPPDEFINES':   ['V8_TARGET_ARCH_ARM']
     },
     'arch:x64': {
-      'CPPDEFINES':   ['V8_ARCH_X64', 'LP64']
+      'CPPDEFINES':   ['V8_TARGET_ARCH_X64']
     },
     'prof:oprofile': {
       'CPPDEFINES':   ['ENABLE_OPROFILE_AGENT']
     }
   },
   'msvc': {
     'all': {
       'DIALECTFLAGS': ['/nologo'],
       'CCFLAGS':      ['$DIALECTFLAGS', '$WARNINGFLAGS'],
       'CXXFLAGS':     ['$CCFLAGS', '/GR-', '/Gy'],
       'CPPDEFINES':   ['WIN32', '_USE_32BIT_TIME_T'],
       'LINKFLAGS':    ['/NOLOGO', '/MACHINE:X86', '/INCREMENTAL:NO',
           '/NXCOMPAT', '/IGNORE:4221'],
       'ARFLAGS':      ['/NOLOGO'],
       'CCPDBFLAGS':   ['/Zi']
     },
     'arch:ia32': {
-      'CPPDEFINES':   ['V8_ARCH_IA32']
+      'CPPDEFINES':   ['V8_TARGET_ARCH_IA32']
     },
     'mode:debug': {
       'CCFLAGS':      ['/Od', '/Gm'],
       'CPPDEFINES':   ['_DEBUG', 'ENABLE_DISASSEMBLER', 'DEBUG'],
       'LINKFLAGS':    ['/DEBUG'],
       'msvcrt:static': {
         'CCFLAGS': ['/MTd']
       },
       'msvcrt:shared': {
         'CCFLAGS': ['/MDd']
@@ skipping 45 matching lines @@
   },
   'msvc': {
     'all': {
       'WARNINGFLAGS': ['/W3', '/WX', '/wd4355', '/wd4800']
     },
     'library:shared': {
       'CPPDEFINES':   ['BUILDING_V8_SHARED'],
       'LIBS': ['winmm', 'ws2_32']
     },
     'arch:arm': {
-      'CPPDEFINES':   ['V8_ARCH_ARM'],
+      'CPPDEFINES':   ['V8_TARGET_ARCH_ARM'],
       # /wd4996 is to silence the warning about sscanf
       # used by the arm simulator.
       'WARNINGFLAGS': ['/wd4996']
     },
     'disassembler:on': {
       'CPPDEFINES':   ['ENABLE_DISASSEMBLER']
     }
   }
 }
 
@@ skipping 88 matching lines @@
   },
   'msvc': {
     'all': {
       'CPPDEFINES': ['_HAS_EXCEPTIONS=0'],
       'LIBS': ['winmm', 'ws2_32']
     },
     'library:shared': {
       'CPPDEFINES': ['USING_V8_SHARED']
     },
     'arch:ia32': {
-      'CPPDEFINES': ['V8_ARCH_IA32']
+      'CPPDEFINES': ['V8_TARGET_ARCH_IA32']
     }
   }
 }
 
 
 SAMPLE_FLAGS = {
   'all': {
     'CPPPATH': [join(abspath('.'), 'include')],
     'LIBS': ['$LIBRARY'],
   },
@@ skipping 73 matching lines @@
       },
       'msvcrt:shared': {
         'CCFLAGS': ['/MD']
       },
       'msvcltcg:on': {
         'CCFLAGS':      ['/GL'],
         'LINKFLAGS':    ['/LTCG'],
       }
     },
     'arch:ia32': {
-      'CPPDEFINES':     ['V8_ARCH_IA32']
+      'CPPDEFINES':     ['V8_TARGET_ARCH_IA32']
     },
     'mode:debug': {
       'CCFLAGS':   ['/Od'],
       'LINKFLAGS': ['/DEBUG'],
       'msvcrt:static': {
         'CCFLAGS': ['/MTd']
       },
       'msvcrt:shared': {
         'CCFLAGS': ['/MDd']
       }
@@ skipping 458 matching lines @@
 # version of scons.  Also, there's a bug in some revisions that
 # doesn't allow this flag to be set, so we swallow any exceptions.
 # Lovely.
 try:
   SetOption('warn', 'no-deprecated')
 except:
   pass
 
 
 Build()