diff --git a/BuildBox/Command/File.hs b/BuildBox/Command/File.hs
--- a/BuildBox/Command/File.hs
+++ b/BuildBox/Command/File.hs
@@ -7,12 +7,14 @@
 	, clobberDir
 	, ensureDir
 	, withTempFile
-	, atomicWriteFile)
+	, atomicWriteFile
+        , exe )
 where
 import BuildBox.Build
 import System.Directory
 import Control.Exception
 import Control.Monad.State
+import System.Info
 
 -- | Properties of the file system we can test for.
 data PropFile
@@ -155,3 +157,8 @@
 	case (e :: Either SomeException ()) of
 	 _	-> return ()
 
+-- | The file extension for an executable on the current system.
+exe :: String
+exe
+ | os == "mingw32"      = "exe"
+ | otherwise            = ""
diff --git a/BuildBox/Command/System.hs b/BuildBox/Command/System.hs
--- a/BuildBox/Command/System.hs
+++ b/BuildBox/Command/System.hs
@@ -167,7 +167,8 @@
 			, std_out	= CreatePipe
 			, std_err	= CreatePipe
 			, close_fds	= False 
-                        , create_group  = False }
+                        , create_group  = False
+                        , delegate_ctlc = False }
 
 	-- Push input into in handle. Close the handle afterwards to ensure the
 	-- process gets sent the EOF character.
diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,13 +1,25 @@
-Copyright (c) 2010-2012, University of New South Wales.
-All rights reserved.
+Copyright (c) 2010-2013, The Data Parallel Haskell Team
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met:
-    * Redistributions of source code must retain the above copyright
-      notice, this list of conditions and the following disclaimer.
-    * Redistributions in binary form must reproduce the above copyright
-      notice, this list of conditions and the following disclaimer in the
-      documentation and/or other materials provided with the distribution.
-    * Neither the name of the University of New South Wales nor the
-      names of its contributors may be used to endorse or promote products
-      derived from this software without specific prior written permission.
+
+- Redistributions of source code must retain the above copyright notice,
+  this list of conditions and the following disclaimer.
+
+- Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+- The names of the copyright holders may not be used to endorse or promote
+  products derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/buildbox.cabal b/buildbox.cabal
--- a/buildbox.cabal
+++ b/buildbox.cabal
@@ -1,5 +1,5 @@
 Name:                buildbox
-Version:             2.1.2.4
+Version:             2.1.2.5
 License:             BSD3
 License-file:        LICENSE
 Author:              Ben Lippmeier
@@ -21,14 +21,14 @@
 
 Library
   Build-Depends: 
-        base           >= 4.4 && < 4.7,
+        base           >= 4.4 && < 4.8,
         containers     >= 0.4 && < 0.6,
         time           >= 1.2 && < 1.5,
         directory      >= 1.1 && < 1.3,
         bytestring     >= 0.9 && < 0.11,
         mtl            == 2.1.*,
         old-locale     == 1.0.*,
-        process        == 1.1.*,
+        process        >= 1.2 && < 1.3,
         random         == 1.0.*,
         pretty         == 1.1.*,
         stm            == 2.4.*