From db104a8c3fce7aea8974a95ca34b1648717eb488 Mon Sep 17 00:00:00 2001
From: Andres Loeh <mail@andres-loeh.de>
Date: Mon, 11 Mar 2013 12:46:26 +0100
Subject: [PATCH] haskell-constraints: add package

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

diff --git a/pkgs/development/libraries/haskell/constraints/default.nix b/pkgs/development/libraries/haskell/constraints/default.nix
new file mode 100644
index 00000000000..0fe2cb8864a
--- /dev/null
+++ b/pkgs/development/libraries/haskell/constraints/default.nix
@@ -0,0 +1,15 @@
+{ cabal, newtype }:
+
+cabal.mkDerivation (self: {
+  pname = "constraints";
+  version = "0.3.2";
+  sha256 = "1fmjl6dh2iswvmq8r3izplp6zg9m8yq1c4rj0zpqjbv2iqsi4kl1";
+  buildDepends = [ newtype ];
+  meta = {
+    homepage = "http://github.com/ekmett/constraints/";
+    description = "Constraint manipulation";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+    maintainers = [ self.stdenv.lib.maintainers.andres ];
+  };
+})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index d1a0262bc1c..4ffd314f3c9 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -630,6 +630,8 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
 
   configurator = callPackage ../development/libraries/haskell/configurator {};
 
+  constraints = callPackage ../development/libraries/haskell/constraints {};
+
   convertible = callPackage ../development/libraries/haskell/convertible {};
 
   continuedFractions = callPackage ../development/libraries/haskell/continued-fractions {};