Remove import warning in Options.hs

BNFC · Feb 10, 2022 · a9a3c32 · a9a3c32
1 parent 4254e8b
commit a9a3c32
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/source/src/BNFC/Options.hs b/source/src/BNFC/Options.hs
@@ -28,7 +28,9 @@ import Data.Either     (partitionEithers)
 import qualified Data.Map  as Map
 -- import qualified Data.List as List
 import Data.Maybe      (fromMaybe, maybeToList)
-import Data.Semigroup  (Semigroup(..))  -- for ghc 7.10
+#if !MIN_VERSION_base(4,11,0)
+import Data.Semigroup  (Semigroup(..))  -- for ghc 7.10 - 8.2
+#endif
 import Data.Version    (showVersion )
 
 import System.Console.GetOpt