[PR #3506] restore accidentally removed Split

Oops! somehow removed an extra function block.

Signed-off-by: Mats Wichmann <mats@linux.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/src/engine/SCons/Environment.py b/src/engine/SCons/Environment.py
index 36b7c3d..2c80424 100644
--- a/src/engine/SCons/Environment.py
+++ b/src/engine/SCons/Environment.py
@@ -2199,6 +2199,27 @@ class Base(SubstitutionEnvironment):
                 target.side_effects.append(side_effect)
         return side_effects
 
+    def Split(self, arg):
+        """This function converts a string or list into a list of strings
+        or Nodes.  This makes things easier for users by allowing files to
+        be specified as a white-space separated list to be split.
+
+        The input rules are:
+            - A single string containing names separated by spaces. These will be
+              split apart at the spaces.
+            - A single Node instance
+            - A list containing either strings or Node instances. Any strings
+              in the list are not split at spaces.
+
+        In all cases, the function returns a list of Nodes and strings."""
+
+        if SCons.Util.is_List(arg):
+            return list(map(self.subst, arg))
+        elif SCons.Util.is_String(arg):
+            return self.subst(arg).split()
+        else:
+            return [self.subst(arg)]
+
     def Value(self, value, built_value=None):
         """
         """