From 937fa0ed87491405a918357e481d4c2f57d9ef3e Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Sun, 7 Aug 2011 18:22:54 +0000
Subject: [PATCH] haskell-packages.nix: added double-conversion

This package is required by the latest version of blaze-textual.

svn path=/nixpkgs/trunk/; revision=28239
---
 .../libraries/haskell/double-conversion/default.nix | 13 +++++++++++++
 pkgs/top-level/haskell-packages.nix                 |  4 ++++
 2 files changed, 17 insertions(+)
 create mode 100644 pkgs/development/libraries/haskell/double-conversion/default.nix

diff --git a/pkgs/development/libraries/haskell/double-conversion/default.nix b/pkgs/development/libraries/haskell/double-conversion/default.nix
new file mode 100644
index 00000000000..1fb12b374d4
--- /dev/null
+++ b/pkgs/development/libraries/haskell/double-conversion/default.nix
@@ -0,0 +1,13 @@
+{cabal, text} :
+
+cabal.mkDerivation (self : {
+  pname = "double-conversion";
+  version = "0.2.0.1";
+  sha256 = "146ijcv55k0lqlw8y4nz7p5kjpwry2jzbqmkan904pnlcfv4a60a";
+  propagatedBuildInputs = [ text ];
+  meta = {
+    homepage = "https://github.com/mailrank/double-conversion";
+    description = "Fast conversion between double precision floating point and text";
+    license = self.stdenv.lib.licenses.bsd3;
+  };
+})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index fc03c56f80f..4c8591299a6 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -489,6 +489,10 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
 
   dotgen = callPackage ../development/libraries/haskell/dotgen {};
 
+  doubleConversion = callPackage ../development/libraries/haskell/double-conversion {
+    text = self.text_0_11_1_5;
+  };
+
   editline = callPackage ../development/libraries/haskell/editline {
     inherit (pkgs) libedit;
   };