From 5891201db268309898ac9680ec309fba11c56441 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Fri, 19 Oct 2018 11:27:16 +0200
Subject: [PATCH] haskell-ledger-lib: jailbreak to fix build with ghc-8.6.1

---
 pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix
index e87880f05cd..9181dc6f0c6 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix
@@ -51,6 +51,7 @@ self: super: {
   contravariant = self.contravariant_1_5;
   free = self.free_5_1;
   haddock-library = dontCheck super.haddock-library_1_7_0;
+  hledger-lib = doJailbreak super.hledger-lib;
   hpack = self.hpack_0_31_0;
   hslua = self.hslua_1_0_1;
   hslua-module-text = self.hslua-module-text_0_2_0;