diff --git a/NLP/WordNet/Consts.hs b/NLP/WordNet/Consts.hs
--- a/NLP/WordNet/Consts.hs
+++ b/NLP/WordNet/Consts.hs
@@ -1,30 +1,29 @@
 module NLP.WordNet.Consts where
 
 import Data.List (intersperse)
+import System.FilePath (joinPath)
 
+makePath = joinPath
+
 #if defined (UNIX)
 dictDir         = "/dict"
 defaultPath     = "/usr/local/WordNet-2.0/dict"
 defaultBin      = "/usr/local/WordNet-2.0/bin"
 
-makePath = concat . intersperse "/"
 #elif defined (PC)
 dictDir         = "\\dict"
 defaultPath	= "c:\\WordNet 2.0\\dict"
 defaultBin      = "c:\\WordNet 2.0\\bin"
 
-makePath = concat . intersperse "\\"
 #elif defined (MAC)
 dictDir         = ":Database"
 defaultPath     = ":Database"
 defaultBin      = ":"
 
-makePath = concat . intersperse ":"
 #else
 -- guess unix style
 dictDir         = "/dict"
 defaultPath     = "/usr/local/WordNet-2.0/dict"
 defaultBin      = "/usr/local/WordNet-2.0/bin"
 
-makePath = concat . intersperse "/"
 #endif
diff --git a/WordNet.cabal b/WordNet.cabal
--- a/WordNet.cabal
+++ b/WordNet.cabal
@@ -1,14 +1,38 @@
 Name:               WordNet
-Version:            0.1.1
-Description:        A pure-Haskell interface to the WordNet lexical database of English. Depends on the WordNet database, but not on the WordNet source code.
-Category:           natural-language processing, text
+Version:            0.1.2
+Description:
+    A pure-Haskell interface to the WordNet lexical database of English.
+    Depends on the WordNet database, but not on the WordNet source code.
+Category:           natural language processing, text
 Synopsis:           Haskell interface to the WordNet database
 License:            BSD3
 License-file:       LICENSE
-Author:             Hal Daume III <me@hal3.name>
+Author:             Hal Daume III
 Maintainer:         Max Rabkin <max.rabkin@gmail.com>
-Build-Depends:      base
-Exposed-Modules:    NLP.WordNet
-Other-Modules:      NLP.WordNet.Common, NLP.WordNet.PrimTypes, NLP.WordNet.Util, NLP.WordNet.Consts, NLP.WordNet.Prims, NLP.WordNet.Types
+Build-Depends:      base, filepath
 Build-Type:         Simple
-GHC-Options:        -cpp -fglasgow-exts
+Cabal-Version:      >= 1.2
+
+Flag small_base
+    Description: Choose the new smaller, split-up base package.
+
+Library
+    if flag(small_base)
+        Build-Depends:  base >= 3, containers, filepath, array
+    else
+        Build-Depends:  base < 3, filepath
+        
+    Exposed-Modules:
+        NLP.WordNet
+
+    Other-Modules:
+        NLP.WordNet.Common
+        NLP.WordNet.PrimTypes
+        NLP.WordNet.Util
+        NLP.WordNet.Consts
+        NLP.WordNet.Prims
+        NLP.WordNet.Types
+
+    GHC-Options:    -fglasgow-exts
+
+    Extensions:     CPP