From 499b9ebc012c8002dbb199259dac9201937fb5ea Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Sat, 19 Aug 2017 18:41:55 +0200
Subject: [PATCH] liquidhaskell: fix build of the required old aeson version

Closes https://github.com/NixOS/nixpkgs/issues/28372.
---
 pkgs/development/haskell-modules/configuration-common.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 69be69fd918..31833efc191 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -851,6 +851,7 @@ self: super: {
 
   # build liquidhaskell with the proper (old) aeson version
   liquidhaskell = super.liquidhaskell.override { aeson = self.aeson_0_11_3_0; };
+  aeson_0_11_3_0 = super.aeson_0_11_3_0.override { base-orphans = self.base-orphans_0_5_4; };
 
   # Test suite fails: https://github.com/lymar/hastache/issues/46.
   # Don't install internal mkReadme tool.