From ad632cc9c8cfb491594e18e716af697759cc615f Mon Sep 17 00:00:00 2001
From: Shea Levy <shea@shealevy.com>
Date: Fri, 9 Jan 2015 13:38:34 -0500
Subject: [PATCH] utf8-string has too string base upper bound

---
 pkgs/development/haskell-modules/configuration-ghc-7.9.x.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/haskell-modules/configuration-ghc-7.9.x.nix b/pkgs/development/haskell-modules/configuration-ghc-7.9.x.nix
index f19e6624504..3c3f966e69c 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-7.9.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-7.9.x.nix
@@ -51,5 +51,8 @@ self: super: {
   hspec-expectations = overrideCabal super.hspec-expectations (drv: {
     patchPhase = "sed -i -e 's|base < 4.8|base|' hspec-expectations.cabal";
   });
+  utf8-string = overrideCabal super.utf8-string (drv: {
+    patchPhase = "sed -i -e 's|base >= 3 && < 4.8|base|' utf8-string.cabal";
+  });
 
 }