haskell-defaults.nix: use the old version of pretty-show with ghc 7.2.2

The old compiler cannot build Happy 1.19.2.
This commit is contained in:
Peter Simons 2013-12-29 13:14:00 +01:00
parent b06f53900d
commit da71287281

View File

@ -52,6 +52,7 @@
cabalInstall = self.cabalInstall_0_14_0.override { Cabal = self.Cabal_1_14_0; };
cabal2nix = self.cabal2nix.override { Cabal = self.Cabal_1_16_0_3; hackageDb = self.hackageDb.override { Cabal = self.Cabal_1_16_0_3; }; };
binary = self.binary_0_6_0_0;
prettyShow = self.prettyShow_1_2;
};
ghc721Prefs = ghc722Prefs;