Import orphan instances of MonadFail for ghc<8

Also upgrade alex/happy so automatic install works
This commit is contained in:
Andreas Källberg
2020-09-09 11:05:41 +02:00
parent 150b592aa9
commit 9d8cd55cd5
4 changed files with 23 additions and 1 deletions

View File

@@ -83,6 +83,9 @@ Library
mtl,
exceptions,
fail,
-- For compatability with ghc < 8
-- We need transformers-compat >= 0.6.3, but that is only in newer snapshots where it is redundant.
transformers-compat,
ghc-prim
hs-source-dirs: src/runtime/haskell