This is required for ghc 7.2.1, for example, where mtl2 has become the default version. Naturally, the build of haskeline-class fails later anyway, but for other reasons. I've notified upstream. svn path=/nixpkgs/trunk/; revision=28502
This is required for ghc 7.2.1, for example, where mtl2 has become the default version. Naturally, the build of haskeline-class fails later anyway, but for other reasons. I've notified upstream. svn path=/nixpkgs/trunk/; revision=28502