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-rw-r--r--engine/SCons/Variables/__init__.py11
1 files changed, 8 insertions, 3 deletions
diff --git a/engine/SCons/Variables/__init__.py b/engine/SCons/Variables/__init__.py
index 57447d7..83ec1b2 100644
--- a/engine/SCons/Variables/__init__.py
+++ b/engine/SCons/Variables/__init__.py
@@ -5,7 +5,7 @@ customizable variables to an SCons build.
"""
#
-# Copyright (c) 2001 - 2015 The SCons Foundation
+# Copyright (c) 2001 - 2016 The SCons Foundation
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
@@ -26,7 +26,7 @@ customizable variables to an SCons build.
# 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/Variables/__init__.py rel_2.4.1:3453:73fefd3ea0b0 2015/11/09 03:25:05 bdbaddog"
+__revision__ = "src/engine/SCons/Variables/__init__.py rel_2.5.0:3543:937e55cd78f7 2016/04/09 11:29:54 bdbaddog"
import os.path
import sys
@@ -50,12 +50,17 @@ class Variables(object):
Holds all the options, updates the environment with the variables,
and renders the help text.
"""
- def __init__(self, files=[], args={}, is_global=1):
+ def __init__(self, files=None, args=None, is_global=1):
"""
files - [optional] List of option configuration files to load
(backward compatibility) If a single string is passed it is
automatically placed in a file list
"""
+ # initialize arguments
+ if files is None:
+ files = []
+ if args is None:
+ args = {}
self.options = []
self.args = args
if not SCons.Util.is_List(files):