From 2be16386b5e90a18e4ef014ed0cca8dacb85f2d6 Mon Sep 17 00:00:00 2001 From: Peter Simons Date: Wed, 13 Apr 2016 09:50:44 +0200 Subject: [PATCH] haskell-lens: use latest version 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 f0b793d949d3..2c5b00625f89 100644 --- a/pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix +++ b/pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix @@ -68,4 +68,7 @@ self: super: { # Version 4.x doesn't compile with transformers 0.5 or later. kan-extensions = self.kan-extensions_5_0_1; + # Earlier versions don't support kan-extensions 5.x. + lens = self.lens_4_13_2_1; + }