Issue 1086: add support for generic batch build actions, and

specific support for batched compilation for Microsoft Visual C/C++.

Merged revisions 3819-3851,3854-3869,3871-3877,3880 via svnmerge from
http://scons.tigris.org/svn/scons/branches/sgk_batch

........
  r3820 | stevenknight | 2008-12-09 23:59:14 -0800 (Tue, 09 Dec 2008) | 6 lines

  Issue 1086:  Batch compilation support:
  * $MSVC_BATCH to control Visual C/C++ batch compilation.
  * New $CHANGED_SOURCES, $CHANGED_TARGETS, $UNCHANGED_SOURCES and
    $UNCHANGED_TARGETS construction variables.
  * New Action(batch_key=, targets=) keyword arguments.
........
  r3880 | stevenknight | 2009-01-07 20:50:41 -0800 (Wed, 07 Jan 2009) | 3 lines

  Use UniqueList objects to collect the all_children(), all_prerequisites()
  and all_sources() lists instead of calling uniquer_hashables() by hand.
........

1 files changed, 5 insertions, 4 deletions

diff --git a/src/engine/SCons/SConfTests.py b/src/engine/SCons/SConfTests.py
index 9974485..4fc657e 100644
--- a/src/engine/SCons/SConfTests.py
+++ b/src/engine/SCons/SConfTests.py
@@ -219,10 +219,11 @@ class SConfTestCase(unittest.TestCase):
                         pass
                     def get_executor(self):
                         class Executor:
-                            pass
-                        e = Executor()
-                        e.targets = [self]
-                        return e
+                            def __init__(self, targets):
+                                self.targets = targets
+                            def get_all_targets(self):
+                                return self.targets
+                        return Executor([self])
                 return [MyNode('n1'), MyNode('n2')]
         try:
             self.scons_env.Append(BUILDERS = {'SConfActionBuilder' : MyBuilder()})