From aa65eacedc89fd8a3624614f111da7cdddc57270 Mon Sep 17 00:00:00 2001
From: Shea Levy <shea@shealevy.com>
Date: Sat, 11 Apr 2015 17:26:32 -0400
Subject: [PATCH] statestack: Patch in ghc 7.10 support

---
 .../development/haskell-modules/configuration-ghc-7.10.x.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix b/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix
index 70cd4acd164..1c8c17a1d71 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix
@@ -282,4 +282,9 @@ self: super: {
   monoid-extras = overrideCabal super.monoid-extras (drv: {
     prePatch = "sed -i 's|4\.8|4.9|' monoid-extras.cabal";
   });
+
+  # diagrams/statestack#5
+  statestack = overrideCabal super.statestack (drv: {
+    prePatch = "sed -i 's|4\.8|4.9|' statestack.cabal";
+  });
 }