Restore build with ghc-7.10.3

2022-10-04 13:05:57 +02:00
parent fef03e755b
commit 51b7117a3d
2 changed files with 5 additions and 1 deletions
--- a/src/compiler/GF/Interactive.hs
+++ b/src/compiler/GF/Interactive.hs
@@ -38,6 +38,8 @@ import GF.Server(server)
 #endif

 import GF.Command.Messages(welcome)
+-- Needed to make it compile on GHC < 8
+import Control.Monad.Trans.Instances ()

 -- | Run the GF Shell in quiet mode (@gf -run@).
 mainRunGFI :: Options -> [FilePath] -> IO ()