diff -up v8-3.14.5.10/SConstruct.python3 v8-3.14.5.10/SConstruct

--- v8-3.14.5.10/SConstruct.python3	2020-02-06 15:59:54.384811798 -0500

+++ v8-3.14.5.10/SConstruct	2020-02-06 16:28:20.272457921 -0500

@@ -31,7 +31,6 @@ import subprocess

 import sys

 import os

 from os.path import join, dirname, abspath

-from types import DictType, StringTypes

 root_dir = dirname(File('SConstruct').rfile().abspath)

 src_dir = join(root_dir, 'src')

 sys.path.insert(0, join(root_dir, 'tools'))

@@ -948,7 +947,7 @@ SUFFIXES = {

 def Abort(message):

-  print message

+  print(message)

   sys.exit(1)

@@ -993,7 +992,7 @@ def GuessStrictAliasing(env):

     # but when scons detects msvc this value is not set.

     version = subprocess.Popen([env['CC'], '-dumpversion'],

         stdout=subprocess.PIPE).communicate()[0]

-    if version.find('4.5') == 0:

+    if version.find(b'4.5') == 0:

       return 'off'

   return 'default'

@@ -1104,7 +1103,7 @@ SIMPLE_OPTIONS = {

             '(if available on the current architecture/platform)'

   },

   'sourcesignatures': {

-    'values': ['MD5', 'timestamp'],

+    'values': ['MD5', 'MD5-timestamp'],

     'default': 'MD5',

     'help': 'set how the build system detects file changes'

   },

@@ -1176,7 +1175,7 @@ ALL_OPTIONS = dict(PLATFORM_OPTIONS, **S

 def AddOptions(options, result):

   guess_env = Environment(options=result)

-  for (name, option) in options.iteritems():

+  for (name, option) in options.items():

     if 'guess' in option:

       # Option has a guess function

       guess = option.get('guess')

@@ -1189,7 +1188,7 @@ def AddOptions(options, result):

 def GetOptions():

-  result = Options()

+  result = Variables()

   result.Add('mode', 'compilation mode (debug, release)', 'release')

   result.Add('sample', 'build sample (shell, process, lineprocessor)', '')

   result.Add('cache', 'directory to use for scons build cache', '')

@@ -1269,7 +1268,7 @@ def IsLegal(env, option, values):

 def WarnAboutDeprecation():

-  print """

+  print("""

     #####################################################################

     #                                                                   #

     #  LAST WARNING: Building V8 with SCons is deprecated.              #

@@ -1281,7 +1280,7 @@ def WarnAboutDeprecation():

     #  Instructions: http://code.google.com/p/v8/wiki/BuildingWithGYP.  #

     #                                                                   #

     #####################################################################

-  """

+  """)

 def VerifyOptions(env):

@@ -1316,12 +1315,12 @@ def VerifyOptions(env):

   if env['cache'] and not os.path.isdir(env['cache']):

     Abort("The specified cache directory does not exist.")

   if not (env['arch'] == 'arm' or env['simulator'] == 'arm') and ('unalignedaccesses' in ARGUMENTS):

-    print env['arch']

-    print env['simulator']

+    print(env['arch'])

+    print(env['simulator'])

     Abort("Option unalignedaccesses only supported for the ARM architecture.")

   if env['os'] != 'linux' and env['compress_startup_data'] != 'off':

     Abort("Startup data compression is only available on Linux")

-  for (name, option) in ALL_OPTIONS.iteritems():

+  for (name, option) in ALL_OPTIONS.items():

     if (not name in env):

       message = ("A value for option %s must be specified (%s)." %

           (name, ", ".join(option['values'])))

@@ -1368,7 +1367,7 @@ class BuildContext(object):

   def GetRelevantSources(self, source):

     result = []

     result += source.get('all', [])

-    for (name, value) in self.options.iteritems():

+    for (name, value) in self.options.items():

       source_value = source.get(name + ':' + value, [])

       if type(source_value) == dict:

         result += self.GetRelevantSources(source_value)

@@ -1379,7 +1378,7 @@ class BuildContext(object):

   def AppendFlags(self, options, added):

     if not added:

       return

-    for (key, value) in added.iteritems():

+    for (key, value) in added.items():

       if key.find(':') != -1:

         self.AddRelevantSubFlags(options, { key: value })

       else:

@@ -1387,11 +1386,11 @@ class BuildContext(object):

           options[key] = value

         else:

           prefix = options[key]

-          if isinstance(prefix, StringTypes): prefix = prefix.split()

+          if isinstance(prefix, str): prefix = prefix.split()

           options[key] = prefix + value

   def ConfigureObject(self, env, input, **kw):

-    if (kw.has_key('CPPPATH') and env.has_key('CPPPATH')):

+    if ('CPPPATH' in kw and 'CPPPATH' in env):

       kw['CPPPATH'] += env['CPPPATH']

     if self.options['library'] == 'static':

       return env.StaticObject(input, **kw)

@@ -1401,7 +1400,7 @@ class BuildContext(object):

   def ApplyEnvOverrides(self, env):

     if not self.env_overrides:

       return

-    if type(env['ENV']) == DictType:

+    if type(env['ENV']) == dict:

       env['ENV'].update(**self.env_overrides)

     else:

       env['ENV'] = self.env_overrides

@@ -1412,22 +1411,22 @@ def PostprocessOptions(options, os):

   if (options['simulator'] != 'none') and (options['arch'] != options['simulator']):

     if 'arch' in ARGUMENTS:

       # Print a warning if arch has explicitly been set

-      print "Warning: forcing architecture to match simulator (%s)" % options['simulator']

+      print("Warning: forcing architecture to match simulator ({})".format(options['simulator']))

     options['arch'] = options['simulator']

   if (options['prof'] != 'off') and (options['profilingsupport'] == 'off'):

     # Print a warning if profiling is enabled without profiling support

-    print "Warning: forcing profilingsupport on when prof is on"

+    print("Warning: forcing profilingsupport on when prof is on")

     options['profilingsupport'] = 'on'

   if os == 'win32' and options['pgo'] != 'off' and options['msvcltcg'] == 'off':

     if 'msvcltcg' in ARGUMENTS:

-      print "Warning: forcing msvcltcg on as it is required for pgo (%s)" % options['pgo']

+      print("Warning: forcing msvcltcg on as it is required for pgo ({})".format(options['pgo']))

     options['msvcltcg'] = 'on'

   if (options['mipsabi'] != 'none') and (options['arch'] != 'mips') and (options['simulator'] != 'mips'):

     options['mipsabi'] = 'none'

   if options['liveobjectlist'] == 'on':

     if (options['debuggersupport'] != 'on') or (options['mode'] == 'release'):

       # Print a warning that liveobjectlist will implicitly enable the debugger

-      print "Warning: forcing debuggersupport on for liveobjectlist"

+      print("Warning: forcing debuggersupport on for liveobjectlist")

     options['debuggersupport'] = 'on'

     options['inspector'] = 'on'

     options['objectprint'] = 'on'

@@ -1559,7 +1558,7 @@ def BuildSpecific(env, mode, env_overrid

     sample_env.Depends(sample_program, library)

     context.sample_targets.append(sample_program)

-  cctest_env = env.Copy()

+  cctest_env = env.Clone()

   cctest_env.Prepend(LIBS=[library_name])

   cctest_program = cctest_env.SConscript(

     join('test', 'cctest', 'SConscript'),

@@ -1569,7 +1568,7 @@ def BuildSpecific(env, mode, env_overrid

   )

   context.cctest_targets.append(cctest_program)

-  preparser_env = env.Copy()

+  preparser_env = env.Clone()

   preparser_env.Replace(**context.flags['preparser'])

   preparser_env.Prepend(LIBS=[preparser_library_name])

   context.ApplyEnvOverrides(preparser_env)

@@ -1596,7 +1595,7 @@ def Build():

   VerifyOptions(env)

   env_overrides = ParseEnvOverrides(env['env'], env['importenv'])

-  SourceSignatures(env['sourcesignatures'])

+  Decider(env['sourcesignatures'])

   libraries = []

   mksnapshots = []

@@ -1606,7 +1605,7 @@ def Build():

   d8s = []

   modes = SplitList(env['mode'])

   for mode in modes:

-    context = BuildSpecific(env.Copy(), mode, env_overrides, tools)

+    context = BuildSpecific(env.Clone(), mode, env_overrides, tools)

     libraries += context.library_targets

     mksnapshots += context.mksnapshot_targets

     cctests += context.cctest_targets

diff -up v8-3.14.5.10/src/SConscript.python3 v8-3.14.5.10/src/SConscript

--- v8-3.14.5.10/src/SConscript.python3	2020-02-06 16:22:40.599976105 -0500

+++ v8-3.14.5.10/src/SConscript	2020-02-06 16:25:09.388681125 -0500

@@ -376,7 +376,7 @@ collection.js

 def Abort(message):

-  print message

+  print(message)

   sys.exit(1)

@@ -435,7 +435,7 @@ def ConfigureObjectFiles():

   # directory.  Then rebuild the VM with the cross compiler and specify

   # snapshot=nobuild on the scons command line.

   empty_snapshot_obj = context.ConfigureObject(env, 'snapshot-empty.cc')

-  mksnapshot_env = env.Copy()

+  mksnapshot_env = env.Clone()

   mksnapshot_env.Replace(**context.flags['mksnapshot'])

   mksnapshot_src = 'mksnapshot.cc'

   mksnapshot = mksnapshot_env.Program('mksnapshot', [mksnapshot_src, libraries_obj, experimental_libraries_obj,  non_snapshot_files, empty_snapshot_obj], PDB='mksnapshot.exe.pdb')