From 79f6e39b932e3bece1e50079e6ba3f545b8a8b08 Mon Sep 17 00:00:00 2001
From: Bas van Dijk <v.dijk.bas@gmail.com>
Date: Fri, 14 Oct 2016 00:31:24 +0200
Subject: [PATCH] cereal: fix build on ghcjs

---
 pkgs/development/haskell-modules/configuration-ghcjs.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/haskell-modules/configuration-ghcjs.nix b/pkgs/development/haskell-modules/configuration-ghcjs.nix
index 5c7e42a59a7..c97296cd5ba 100644
--- a/pkgs/development/haskell-modules/configuration-ghcjs.nix
+++ b/pkgs/development/haskell-modules/configuration-ghcjs.nix
@@ -129,4 +129,5 @@ self: super:
   # triggers an internal pattern match failure in haddock
   # https://github.com/haskell/haddock/issues/553
   wai = dontHaddock super.wai;
+  cereal = addBuildDepend super.cereal [ self.fail ];
 }