From 302202ccdeae887e776aa7d920eca5c9d34aa5ff Mon Sep 17 00:00:00 2001
From: Shea Levy <shea@shealevy.com>
Date: Fri, 22 Dec 2017 09:11:41 -0500
Subject: haskellPackages.monad-memo: Fix testsuite

---
 pkgs/development/haskell-modules/configuration-common.nix | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'pkgs')

diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 844d8db4189f..e69309d91ce7 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -997,4 +997,12 @@ self: super: {
   # See https://github.com/haskell/haddock/issues/679
   language-puppet = dontHaddock super.language-puppet;
 
+  # Missing FlexibleContexts in testsuite
+  # https://github.com/EduardSergeev/monad-memo/pull/4
+  monad-memo =
+    let patch = pkgs.fetchpatch
+          { url = https://github.com/EduardSergeev/monad-memo/pull/4.patch;
+            sha256 = "14mf9940arilg6v54w9bc4z567rfbmm7gknsklv965fr7jpinxxj";
+          };
+    in appendPatch super.monad-memo patch;
 }
-- 
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