Fix GHC 7.10-rc1

CabalHelper/Main.hs

@@ -58,6 +58,10 @@ import qualified Distribution.ModuleName as C (ModuleName)
 import Distribution.Text (display)
 import Distribution.Verbosity (Verbosity, silent, deafening)
 
+#if CABAL_MAJOR == 1 && CABAL_MINOR >= 22
+import Distribution.Utils.NubList
+#endif
+
 import Control.Applicative ((<$>))
 import Control.Monad
 import Control.Exception (catch, PatternMatchFail(..))

test/data/pattern-synonyms/pattern-synonyms.cabal

@@ -19,6 +19,6 @@ library
   exposed-modules:     A, B
   -- other-modules:
   other-extensions:    PatternSynonyms
-  build-depends:       base >=4.7 && <4.8
+  build-depends:       base
   -- hs-source-dirs:
   default-language:    Haskell2010