Make VM state tracking to be independent of logging and profiling.

SConstruct

 # Copyright 2010 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 84 matching lines @@
 
 LIBRARY_FLAGS = {
   'all': {
     'CPPPATH': [join(root_dir, 'src')],
     'regexp:native': {
         'CPPDEFINES': ['V8_NATIVE_REGEXP']
     },
     'mode:debug': {
       'CPPDEFINES': ['V8_ENABLE_CHECKS']
     },
+    'vmstate:on': {
+      'CPPDEFINES':   ['ENABLE_VMSTATE_TRACKING'],
+    },
+    'protectheap:on': {
+      'CPPDEFINES':   ['ENABLE_VMSTATE_TRACKING', 'ENABLE_HEAP_PROTECTION'],
+    },
     'profilingsupport:on': {
-      'CPPDEFINES':   ['ENABLE_LOGGING_AND_PROFILING'],
+      'CPPDEFINES':   ['ENABLE_VMSTATE_TRACKING', 'ENABLE_LOGGING_AND_PROFILING'],
     },
     'cppprofilesprocessor:on': {
       'CPPDEFINES':   ['ENABLE_CPP_PROFILES_PROCESSOR'],
     },
     'debuggersupport:on': {
       'CPPDEFINES':   ['ENABLE_DEBUGGER_SUPPORT'],
     }
   },
   'gcc': {
     'all': {
@@ skipping 548 matching lines @@
   'prof': {
     'values': ['on', 'off', 'oprofile'],
     'default': 'off',
     'help': 'enable profiling of build target'
   },
   'library': {
     'values': ['static', 'shared'],
     'default': 'static',
     'help': 'the type of library to produce'
   },
+  'vmstate': {
+    'values': ['on', 'off'],
+    'default': 'off',
+    'help': 'enable VM state tracking'
+  },
+  'protectheap': {
+    'values': ['on', 'off'],
+    'default': 'off',
+    'help': 'enable heap protection'
+  },
   'profilingsupport': {
     'values': ['on', 'off'],
     'default': 'on',
     'help': 'enable profiling of JavaScript code'
   },
   'cppprofilesprocessor': {
     'values': ['on', 'off'],
     'default': 'off',
     'help': 'enable C++ profiles processor'
   },
@@ skipping 419 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()