Rewrite uses of reduce(), which is being deprecated for Python 3.x.

4 files changed, 15 insertions, 4 deletions

diff --git a/src/engine/SCons/Environment.py b/src/engine/SCons/Environment.py
index cd637bb..d9db852 100644
--- a/src/engine/SCons/Environment.py
+++ b/src/engine/SCons/Environment.py
@@ -1507,7 +1507,9 @@ class Base(SubstitutionEnvironment):
             else:
                 tdlist.append((target.split(), depends.split()))
         if only_one:
-            targets = reduce(lambda x, y: x+y, [p[0] for p in tdlist])
+            targets = []
+            for td in tdlist:
+                targets.extend(td[0])
             if len(targets) > 1:
                 raise SCons.Errors.UserError(
                             "More than one dependency target found in `%s':  %s"
diff --git a/src/engine/SCons/Node/FSTests.py b/src/engine/SCons/Node/FSTests.py
index 339d124..58726d3 100644
--- a/src/engine/SCons/Node/FSTests.py
+++ b/src/engine/SCons/Node/FSTests.py
@@ -2093,7 +2093,10 @@ class EntryTestCase(_tempdirTestCase):
                     def __init__(self, val):
                         self.val = val
                     def collect(self, args):
-                        return reduce(lambda x, y: x+y, args)
+                        result = 0
+                        for a in args:
+                            result += a
+                        return result
                     def signature(self, executor):
                         return self.val + 222
                 self.module = M(val)
diff --git a/src/engine/SCons/Node/NodeTests.py b/src/engine/SCons/Node/NodeTests.py
index 6de6d38..beb9a31 100644
--- a/src/engine/SCons/Node/NodeTests.py
+++ b/src/engine/SCons/Node/NodeTests.py
@@ -215,7 +215,10 @@ class Calculator:
             def signature(self, args):
                 return self.val
             def collect(self, args):
-                return reduce(lambda x, y: x+y, args, self.val)
+                result = self.val
+                for a in args:
+                    result += a
+                return result
         self.module = M(val)
 
 
diff --git a/src/engine/SCons/Platform/__init__.py b/src/engine/SCons/Platform/__init__.py
index 244d090..e1066f0 100644
--- a/src/engine/SCons/Platform/__init__.py
+++ b/src/engine/SCons/Platform/__init__.py
@@ -166,7 +166,10 @@ class TempFileMunge:
         except ValueError:
             maxline = 2048
 
-        if (reduce(lambda x, y: x + len(y), cmd, 0) + len(cmd)) <= maxline:
+        length = 0
+        for c in cmd:
+            length += len(c)
+        if length <= maxline:
             return self.cmd
 
         # We do a normpath because mktemp() has what appears to be