Update the default version of transformers to 0.4.1 on older compilers.

NixOS · Jun 9, 2014 · 1d392a5 · 1d392a5
1 parent 5190b18
commit 1d392a5
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/pkgs/top-level/haskell-defaults.nix b/pkgs/top-level/haskell-defaults.nix
@@ -15,7 +15,7 @@
   # Older compilers inherit the overrides from newer ones.
 
   ghcHEADPrefs = self : super : super // {
-    mtl = self.mtl_2_2_1;
+    mtl = self.mtl_2_1_2;
     cabalInstall_1_20_0_2 = super.cabalInstall_1_20_0_2.override { Cabal = null; };
   };
 
@@ -41,8 +41,9 @@
     gloss = null;                       # requires base >= 4.7
     haddock = self.haddock_2_13_2;
     modularArithmetic = null;           # requires base >= 4.7
+    mtl = self.mtl_2_2_1;
     pipesBinary = super.pipesBinary.override { binary = self.binary_0_7_2_1; };
-    transformers = self.transformers_0_3_0_0; # core packagen in ghc > 7.6.x
+    transformers = self.transformers_0_4_1_0; # core packagen in ghc > 7.6.x
     zipArchive = super.zipArchive_0_2_2_1;    # works without binary 0.7.x
   };