From be6c46c3b3b34f41722b4f567ae853f29a66cb91 Mon Sep 17 00:00:00 2001
From: Michael Alan Dorman <mdorman@ironicdesign.com>
Date: Sun, 29 May 2016 18:21:18 -0400
Subject: [PATCH] gtk2hs-buildtools: ensure appropriate Cabal version

---
 pkgs/development/haskell-modules/configuration-common.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 5f1335ca72f..200acc6539b 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -1005,4 +1005,6 @@ self: super: {
   yi-solarized = markBroken super.yi-solarized;
   yi-spolsky = markBroken super.yi-spolsky;
 
+  # gtk2hs-buildtools must have Cabal 1.24
+  gtk2hs-buildtools = super.gtk2hs-buildtools.override { Cabal = self.Cabal_1_24_0_0; };
 }