Fix aeson on GHC 8.4

2019-01-30 04:44:42 -05:00 · 2019-01-30 04:44:42 -05:00 · d2362209c6
commit d2362209c6
parent 96360a3a49
1 changed files with 3 additions and 0 deletions
--- a/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix
@ -76,4 +76,7 @@ self: super: {
    haddock-library = dontHaddock (dontCheck self.haddock-library_1_5_0_1);
  }));

+  # cabal2nix doesn't list this because of a conditional on the GHC version.
+  aeson = addBuildDepend super.aeson self.contravariant;
+
 }