diff --git a/pkgs/development/libraries/haskell/ltk/default.nix b/pkgs/development/libraries/haskell/ltk/default.nix index a45169b4cc1..a945512fa1c 100644 --- a/pkgs/development/libraries/haskell/ltk/default.nix +++ b/pkgs/development/libraries/haskell/ltk/default.nix @@ -5,6 +5,9 @@ cabal.mkDerivation (self: { version = "0.12.0.0"; sha256 = "1hlsfi77yypfnvh1alr3rflbffby9pbmc71m507davr6b09v9w9f"; buildDepends = [ Cabal filepath glib gtk mtl parsec transformers ]; + patchPhase = '' + sed -i -e 's|mtl >=1.1.0.2 && <2.1|mtl|' -e 's|transformers >=0.2.2.0 && <0.3|transformers|' ltk.cabal + ''; meta = { homepage = "http://www.leksah.org"; description = "Leksah tool kit"; diff --git a/pkgs/top-level/haskell-defaults.nix b/pkgs/top-level/haskell-defaults.nix index 226fe64d91d..42f0980c637 100644 --- a/pkgs/top-level/haskell-defaults.nix +++ b/pkgs/top-level/haskell-defaults.nix @@ -26,9 +26,6 @@ ghc741Prefs = self : ghc741Prefs_pedantic self // { - # These are necessary at the moment to prevent many packages from breaking. - mtl = self.mtl_2_0_1_0; - transformers = self.transformers_0_2_2_0; }; ghc722Prefs = ghc741Prefs; @@ -266,5 +263,5 @@ ghc704Binary; prefFun = ghcHEADPrefs; }; - + }