zipWithM_ comes from Control.Monad

diff --git a/Foreign/Marshal/Array.hs b/Foreign/Marshal/Array.hs
index a3d9d16..ce28ddb 100644 (file)
--- a/Foreign/Marshal/Array.hs
+++ b/Foreign/Marshal/Array.hs
@@ -73,6 +73,8 @@ import GHC.Num
 import GHC.List
 import GHC.Err
 import GHC.Base
+#else
+import Control.Monad (zipWithM_)
 #endif
 
 -- allocation