Require base >= 4.9 to pull in ghc-8.x.

A newer version of GHC is needed since we stopped deriving Typeable
and began to use the new -Wfoo style for warnings. See commits
fb27e58 and 3f8eddf.

diff --git a/hath.cabal b/hath.cabal
index b32d870f0cf5a890861092c62a28cfe261067f22..bb1a2e88407cd3fd1a04651838315324b1248384 100644 (file)
--- a/hath.cabal
+++ b/hath.cabal
@@ -105,7 +105,7 @@ executable hath
     Octet
 
   build-depends:
-    base                        == 4.*,
+    base                        >= 4.9 && < 5,
     cmdargs                     >= 0.10,
     split                       >= 0.2,
     tasty                       >= 0.8,