Only build-depend on fail with ancient GHC

Closes #14
sdiehl · Sep 14, 2019 · 8602eb6 · 8602eb6
1 parent fde3b24
commit 8602eb6
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/repline.cabal b/repline.cabal
@@ -31,8 +31,10 @@ library
   build-depends:
     base       >= 4.6 && <5.0,
     containers >= 0.5 && <0.7,
-    fail       >= 4.9 && <4.10,
     mtl        >= 2.2 && <2.3,
     process    >= 1.2 && <2.0,
     haskeline  >= 0.7 && <0.8
   default-language:    Haskell2010
+
+  if !impl(ghc >= 8.0)
+    build-depends: fail >= 4.9 && <4.10