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authorJörg Frings-Fürst <debian@jff-webhosting.net>2015-06-21 07:06:07 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2015-06-21 07:06:07 +0200
commitb0f56d74df2a6904ddceb963833d4ea357251853 (patch)
treecad0dca521f39475abf774e513b7883ee96ea13d /engine/SCons/Executor.py
parent665e78e013bc207a5ec35e4bc41daf2e464f6ed3 (diff)
Imported Upstream version 2.3.5upstream/2.3.5
Diffstat (limited to 'engine/SCons/Executor.py')
-rw-r--r--engine/SCons/Executor.py23
1 files changed, 12 insertions, 11 deletions
diff --git a/engine/SCons/Executor.py b/engine/SCons/Executor.py
index ddb8140..f487d19 100644
--- a/engine/SCons/Executor.py
+++ b/engine/SCons/Executor.py
@@ -6,7 +6,7 @@ Nodes.
"""
#
-# Copyright (c) 2001 - 2014 The SCons Foundation
+# Copyright (c) 2001 - 2015 The SCons Foundation
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
@@ -27,7 +27,7 @@ Nodes.
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-__revision__ = "src/engine/SCons/Executor.py 2014/09/27 12:51:43 garyo"
+__revision__ = "src/engine/SCons/Executor.py pchdll:3325:cd517fae59a4 2015/06/18 06:53:27 bdbaddog"
import collections
@@ -554,19 +554,20 @@ def AddBatchExecutor(key, executor):
nullenv = None
+import SCons.Util
+class NullEnvironment(SCons.Util.Null):
+ import SCons.CacheDir
+ _CacheDir_path = None
+ _CacheDir = SCons.CacheDir.CacheDir(None)
+ def get_CacheDir(self):
+ return self._CacheDir
+
+
def get_NullEnvironment():
"""Use singleton pattern for Null Environments."""
global nullenv
- import SCons.Util
- class NullEnvironment(SCons.Util.Null):
- import SCons.CacheDir
- _CacheDir_path = None
- _CacheDir = SCons.CacheDir.CacheDir(None)
- def get_CacheDir(self):
- return self._CacheDir
-
- if not nullenv:
+ if nullenv is None:
nullenv = NullEnvironment()
return nullenv