From d2f9dc4a3b79c575618b09f239c0ec3e26a371d7 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Mon, 23 Oct 2017 20:11:14 +0200
Subject: [PATCH] haskell-ltk: fix build by providing
 haskell-gi-overloading-0.0

Closes https://github.com/NixOS/nixpkgs/pull/30462.
---
 pkgs/development/haskell-modules/configuration-common.nix | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index f0ee15468a6a..2b050dd613f5 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -971,7 +971,9 @@ self: super: {
   fluid-idl-scotty = markBroken super.fluid-idl-scotty;
 
   # depends on amqp >= 0.17
-  amqp-utils = super.amqp-utils.override {
-    amqp = dontCheck super.amqp_0_18_1;
-  };
+  amqp-utils = super.amqp-utils.override { amqp = dontCheck super.amqp_0_18_1; };
+
+  # Build with gi overloading feature disabled.
+  ltk = super.ltk.overrideScope (self: super: { haskell-gi-overloading = self.haskell-gi-overloading_0_0; });
+
 }