1 files changed, 21 insertions, 0 deletions
diff --git a/dev-haskell/rsa/files/rsa-2.3.1-p2-ghc-8.8.patch b/dev-haskell/rsa/files/rsa-2.3.1-p2-ghc-8.8.patch
new file mode 100644
index 000000000000..e2c7348eb38c
--- /dev/null
+++ b/dev-haskell/rsa/files/rsa-2.3.1-p2-ghc-8.8.patch
@@ -0,0 +1,21 @@
+commit d621ae1603f27b3de867b46e5ad4d28460097dac
+Author: Ollie Charles <ollie@ocharles.org.uk>
+Date:   Wed Sep 18 14:52:34 2019 +0100
+
+    Update Pure.hs
+
+diff --git a/src/Codec/Crypto/RSA/Pure.hs b/src/Codec/Crypto/RSA/Pure.hs
+index a69907d..e3513a9 100644
+--- a/src/Codec/Crypto/RSA/Pure.hs
++++ b/src/Codec/Crypto/RSA/Pure.hs
+@@ -111,8 +111,8 @@ instance Binary PrivateKey where
+               d   <- os2ip `fmap` getLazyByteString (fromIntegral (public_size pub))
+               return (PrivateKey pub d 0 0 0 0 0)
+ 
+-failOnError :: (MonadFail m, Show a) => Either a b -> m b
+-failOnError (Left e)  = fail (show e)
++failOnError :: (Monad m, Show a) => Either a b -> m b
++failOnError (Left e)  = error (show e)
+ failOnError (Right b) = return b
+ 
+ -- ----------------------------------------------------------------------------