3 files changed, 30 insertions, 3 deletions
diff --git a/src/engine/SCons/compat/__init__.py b/src/engine/SCons/compat/__init__.py
index 4d38617..d959518 100644
--- a/src/engine/SCons/compat/__init__.py
+++ b/src/engine/SCons/compat/__init__.py
@@ -183,6 +183,15 @@ except ImportError:
     import_as('_scons_platform', 'platform')
 
 
+try:
+    import queue
+except ImportError:
+    # Before Python 3.0, the 'queue' module was named 'Queue'.
+    import imp
+    file, filename, suffix_mode_type = imp.find_module('Queue')
+    imp.load_module('queue', file, filename, suffix_mode_type)
+
+
 import shlex
 try:
     shlex.split
@@ -244,6 +253,24 @@ except ImportError:
 
 import sys
 try:
+    sys.intern
+except AttributeError:
+    # Pre-2.6 Python has no sys.intern() function.
+    import __builtin__
+    try:
+        sys.intern = __builtin__.intern
+    except AttributeError:
+        # Pre-2.x Python has no builtin intern() function.
+        def intern(x):
+           return x
+        sys.intern = intern
+        del intern
+try:
+    sys.maxsize
+except AttributeError:
+    # Pre-2.6 Python has no sys.maxsize attribute
+    sys.maxsize = sys.maxint
+try:
     sys.version_info
 except AttributeError:
     # Pre-1.6 Python has no sys.version_info
diff --git a/src/engine/SCons/compat/_scons_optparse.py b/src/engine/SCons/compat/_scons_optparse.py
index 219adba..5db4c90 100644
--- a/src/engine/SCons/compat/_scons_optparse.py
+++ b/src/engine/SCons/compat/_scons_optparse.py
@@ -799,7 +799,7 @@ class Option:
             if self.nargs == 1:
                 return self.check_value(opt, value)
             else:
-                return tuple(map(lambda v, o=opt, s=self: s.check_value(o, v), value))
+                return tuple(map(lambda v: self.check_value(opt, v), value))
 
     def process(self, opt, value, values, parser):
 
@@ -1700,7 +1700,7 @@ def _match_abbrev(s, wordmap):
         return s
     else:
         # Isolate all words with s as a prefix.
-        possibilities = filter(lambda w, s=s: w[:len(s)] == s, wordmap.keys())
+        possibilities = filter(lambda w: w[:len(s)] == s, wordmap.keys())
         # No exact match, so there had better be just one possibility.
         if len(possibilities) == 1:
             return possibilities[0]
diff --git a/src/engine/SCons/compat/builtins.py b/src/engine/SCons/compat/builtins.py
index 19329f6..d52ea4d 100644
--- a/src/engine/SCons/compat/builtins.py
+++ b/src/engine/SCons/compat/builtins.py
@@ -158,7 +158,7 @@ except NameError:
         """
         result = []
         for i in xrange(min(map(len, lists))):
-            result.append(tuple(map(lambda l, i=i: l[i], lists)))
+            result.append(tuple(map(lambda l: l[i], lists)))
         return result
     __builtin__.zip = zip