From 9971e3905d1c7bb1f54bf117650403fcc9100f73 Mon Sep 17 00:00:00 2001
From: Evan Rutledge Borden <eborden@frontrowed.com>
Date: Sun, 3 Nov 2019 20:08:27 -0600
Subject: [PATCH] Support building DataDecl with 8.2.2

---
 src/Language/Haskell/Brittany/Internal/Utils.hs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Language/Haskell/Brittany/Internal/Utils.hs b/src/Language/Haskell/Brittany/Internal/Utils.hs
index eee432e..435ad96 100644
--- a/src/Language/Haskell/Brittany/Internal/Utils.hs
+++ b/src/Language/Haskell/Brittany/Internal/Utils.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE DeriveDataTypeable #-}
 {-# LANGUAGE GeneralizedNewtypeDeriving #-}
 
@@ -58,7 +59,9 @@ import           Language.Haskell.Brittany.Internal.Config.Types
 import           Language.Haskell.Brittany.Internal.Types
 
 import qualified Data.Generics.Uniplate.Direct as Uniplate
+#if MIN_VERSION_ghc(8,4,0)   /* ghc-8.4 */
 import qualified HsExtension
+#endif