From d98a8f88d0e0ecacf62879a9f64862b84e1f22ef Mon Sep 17 00:00:00 2001 From: Peter Simons Date: Wed, 13 Apr 2016 09:50:13 +0200 Subject: [PATCH] haskell-kan-extensions: use version 5.x when building with GHC 8.0.x --- pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix | 3 +++ 1 file changed, 3 insertions(+) diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix index 60e2cea936f..f0b793d949d 100644 --- a/pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix +++ b/pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix @@ -65,4 +65,7 @@ self: super: { # https://github.com/ekmett/semigroupoids/issues/42 semigroupoids = dontCheck super.semigroupoids; + # Version 4.x doesn't compile with transformers 0.5 or later. + kan-extensions = self.kan-extensions_5_0_1; + }