From 5b1692531ed85e361ec5d4da8e6aaebfbbca8c8b Mon Sep 17 00:00:00 2001
From: Shea Levy <shea@shealevy.com>
Date: Sat, 11 Apr 2015 17:40:04 -0400
Subject: [PATCH] diagrams-core: Enable building on ghc 7.10

---
 .../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 1c8c17a1d71..87626eace6a 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix
@@ -287,4 +287,9 @@ self: super: {
   statestack = overrideCabal super.statestack (drv: {
     prePatch = "sed -i 's|4\.8|4.9|' statestack.cabal";
   });
+
+  # diagrams/diagrams-core#83
+  diagrams-core = overrideCabal super.diagrams-core (drv: {
+    prePatch = "sed -i 's|4\.8|4.9|' diagrams-core.cabal";
+  });
 }