From 8dd292c32f8ddcc6bfb4960de0e419e1345233e4 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Mon, 7 Jan 2013 12:05:25 +0100
Subject: [PATCH] haskell-transformers-compat: add version 0.1

---
 .../haskell/transformers-compat/default.nix       | 15 +++++++++++++++
 pkgs/top-level/haskell-packages.nix               |  2 ++
 2 files changed, 17 insertions(+)
 create mode 100644 pkgs/development/libraries/haskell/transformers-compat/default.nix

diff --git a/pkgs/development/libraries/haskell/transformers-compat/default.nix b/pkgs/development/libraries/haskell/transformers-compat/default.nix
new file mode 100644
index 000000000000..d36ace0eb299
--- /dev/null
+++ b/pkgs/development/libraries/haskell/transformers-compat/default.nix
@@ -0,0 +1,15 @@
+{ cabal, transformers }:
+
+cabal.mkDerivation (self: {
+  pname = "transformers-compat";
+  version = "0.1";
+  sha256 = "100xw00h2l6iipg6lq5bbncpil3bl6w3frak99klpi8gn6ihd8ah";
+  buildDepends = [ transformers ];
+  noHaddock = true;
+  meta = {
+    homepage = "http://github.com/ekmett/transformers-compat/";
+    description = "Lenses, Folds and Traversals";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+  };
+})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index d11c5c6ad704..9713f8f94dc6 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -1680,6 +1680,8 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
 
   transformersBase = callPackage ../development/libraries/haskell/transformers-base {};
 
+  transformersCompat = callPackage ../development/libraries/haskell/transformers-compat {};
+
   tuple = callPackage ../development/libraries/haskell/tuple {};
 
   typeEquality = callPackage ../development/libraries/haskell/type-equality {};